diff --git a/packages/abi-gen-wrappers/package.json b/packages/abi-gen-wrappers/package.json
index 4f2c17e3a1..11b36f8774 100644
--- a/packages/abi-gen-wrappers/package.json
+++ b/packages/abi-gen-wrappers/package.json
@@ -45,7 +45,8 @@
         "shx": "^0.2.2"
     },
     "dependencies": {
-        "@0x/base-contract": "^5.1.0"
+        "@0x/base-contract": "^5.1.0",
+        "@0x/contract-artifacts": "^1.5.1"
     },
     "publishConfig": {
         "access": "public"
diff --git a/packages/contract-artifacts/CHANGELOG.json b/packages/contract-artifacts/CHANGELOG.json
index fa446c7fe7..520bbddb5c 100644
--- a/packages/contract-artifacts/CHANGELOG.json
+++ b/packages/contract-artifacts/CHANGELOG.json
@@ -1,4 +1,13 @@
 [
+    {
+        "version": "2.0.0",
+        "changes": [
+            {
+                "note": "Remove evm.bytecode.linkReferences from all artifacts. Remove evm.deployedBytecode and sourceTreeHashHex from Coordinator artifact.",
+                "pr": 1842
+            }
+        ]
+    },
     {
         "timestamp": 1557507213,
         "version": "1.5.1",
diff --git a/packages/contract-artifacts/artifacts/AssetProxyOwner.json b/packages/contract-artifacts/artifacts/AssetProxyOwner.json
index e5fad3aefe..7e6f951204 100644
--- a/packages/contract-artifacts/artifacts/AssetProxyOwner.json
+++ b/packages/contract-artifacts/artifacts/AssetProxyOwner.json
@@ -5,31 +5,16 @@
         "abi": [
             {
                 "constant": true,
-                "inputs": [
-                    {
-                        "name": "",
-                        "type": "uint256"
-                    }
-                ],
+                "inputs": [{ "name": "", "type": "uint256" }],
                 "name": "owners",
-                "outputs": [
-                    {
-                        "name": "",
-                        "type": "address"
-                    }
-                ],
+                "outputs": [{ "name": "", "type": "address" }],
                 "payable": false,
                 "stateMutability": "view",
                 "type": "function"
             },
             {
                 "constant": false,
-                "inputs": [
-                    {
-                        "name": "owner",
-                        "type": "address"
-                    }
-                ],
+                "inputs": [{ "name": "owner", "type": "address" }],
                 "name": "removeOwner",
                 "outputs": [],
                 "payable": false,
@@ -38,12 +23,7 @@
             },
             {
                 "constant": false,
-                "inputs": [
-                    {
-                        "name": "transactionId",
-                        "type": "uint256"
-                    }
-                ],
+                "inputs": [{ "name": "transactionId", "type": "uint256" }],
                 "name": "revokeConfirmation",
                 "outputs": [],
                 "payable": false,
@@ -52,54 +32,25 @@
             },
             {
                 "constant": true,
-                "inputs": [
-                    {
-                        "name": "",
-                        "type": "address"
-                    }
-                ],
+                "inputs": [{ "name": "", "type": "address" }],
                 "name": "isOwner",
-                "outputs": [
-                    {
-                        "name": "",
-                        "type": "bool"
-                    }
-                ],
+                "outputs": [{ "name": "", "type": "bool" }],
                 "payable": false,
                 "stateMutability": "view",
                 "type": "function"
             },
             {
                 "constant": true,
-                "inputs": [
-                    {
-                        "name": "",
-                        "type": "uint256"
-                    },
-                    {
-                        "name": "",
-                        "type": "address"
-                    }
-                ],
+                "inputs": [{ "name": "", "type": "uint256" }, { "name": "", "type": "address" }],
                 "name": "confirmations",
-                "outputs": [
-                    {
-                        "name": "",
-                        "type": "bool"
-                    }
-                ],
+                "outputs": [{ "name": "", "type": "bool" }],
                 "payable": false,
                 "stateMutability": "view",
                 "type": "function"
             },
             {
                 "constant": false,
-                "inputs": [
-                    {
-                        "name": "transactionId",
-                        "type": "uint256"
-                    }
-                ],
+                "inputs": [{ "name": "transactionId", "type": "uint256" }],
                 "name": "executeRemoveAuthorizedAddressAtIndex",
                 "outputs": [],
                 "payable": false,
@@ -110,35 +61,16 @@
                 "constant": true,
                 "inputs": [],
                 "name": "secondsTimeLocked",
-                "outputs": [
-                    {
-                        "name": "",
-                        "type": "uint256"
-                    }
-                ],
+                "outputs": [{ "name": "", "type": "uint256" }],
                 "payable": false,
                 "stateMutability": "view",
                 "type": "function"
             },
             {
                 "constant": true,
-                "inputs": [
-                    {
-                        "name": "pending",
-                        "type": "bool"
-                    },
-                    {
-                        "name": "executed",
-                        "type": "bool"
-                    }
-                ],
+                "inputs": [{ "name": "pending", "type": "bool" }, { "name": "executed", "type": "bool" }],
                 "name": "getTransactionCount",
-                "outputs": [
-                    {
-                        "name": "count",
-                        "type": "uint256"
-                    }
-                ],
+                "outputs": [{ "name": "count", "type": "uint256" }],
                 "payable": false,
                 "stateMutability": "view",
                 "type": "function"
@@ -146,14 +78,8 @@
             {
                 "constant": false,
                 "inputs": [
-                    {
-                        "name": "assetProxyContract",
-                        "type": "address"
-                    },
-                    {
-                        "name": "isRegistered",
-                        "type": "bool"
-                    }
+                    { "name": "assetProxyContract", "type": "address" },
+                    { "name": "isRegistered", "type": "bool" }
                 ],
                 "name": "registerAssetProxy",
                 "outputs": [],
@@ -163,12 +89,7 @@
             },
             {
                 "constant": false,
-                "inputs": [
-                    {
-                        "name": "owner",
-                        "type": "address"
-                    }
-                ],
+                "inputs": [{ "name": "owner", "type": "address" }],
                 "name": "addOwner",
                 "outputs": [],
                 "payable": false,
@@ -177,31 +98,16 @@
             },
             {
                 "constant": true,
-                "inputs": [
-                    {
-                        "name": "transactionId",
-                        "type": "uint256"
-                    }
-                ],
+                "inputs": [{ "name": "transactionId", "type": "uint256" }],
                 "name": "isConfirmed",
-                "outputs": [
-                    {
-                        "name": "",
-                        "type": "bool"
-                    }
-                ],
+                "outputs": [{ "name": "", "type": "bool" }],
                 "payable": false,
                 "stateMutability": "view",
                 "type": "function"
             },
             {
                 "constant": false,
-                "inputs": [
-                    {
-                        "name": "_secondsTimeLocked",
-                        "type": "uint256"
-                    }
-                ],
+                "inputs": [{ "name": "_secondsTimeLocked", "type": "uint256" }],
                 "name": "changeTimeLock",
                 "outputs": [],
                 "payable": false,
@@ -210,68 +116,31 @@
             },
             {
                 "constant": true,
-                "inputs": [
-                    {
-                        "name": "",
-                        "type": "address"
-                    }
-                ],
+                "inputs": [{ "name": "", "type": "address" }],
                 "name": "isAssetProxyRegistered",
-                "outputs": [
-                    {
-                        "name": "",
-                        "type": "bool"
-                    }
-                ],
+                "outputs": [{ "name": "", "type": "bool" }],
                 "payable": false,
                 "stateMutability": "view",
                 "type": "function"
             },
             {
                 "constant": true,
-                "inputs": [
-                    {
-                        "name": "transactionId",
-                        "type": "uint256"
-                    }
-                ],
+                "inputs": [{ "name": "transactionId", "type": "uint256" }],
                 "name": "getConfirmationCount",
-                "outputs": [
-                    {
-                        "name": "count",
-                        "type": "uint256"
-                    }
-                ],
+                "outputs": [{ "name": "count", "type": "uint256" }],
                 "payable": false,
                 "stateMutability": "view",
                 "type": "function"
             },
             {
                 "constant": true,
-                "inputs": [
-                    {
-                        "name": "",
-                        "type": "uint256"
-                    }
-                ],
+                "inputs": [{ "name": "", "type": "uint256" }],
                 "name": "transactions",
                 "outputs": [
-                    {
-                        "name": "destination",
-                        "type": "address"
-                    },
-                    {
-                        "name": "value",
-                        "type": "uint256"
-                    },
-                    {
-                        "name": "data",
-                        "type": "bytes"
-                    },
-                    {
-                        "name": "executed",
-                        "type": "bool"
-                    }
+                    { "name": "destination", "type": "address" },
+                    { "name": "value", "type": "uint256" },
+                    { "name": "data", "type": "bytes" },
+                    { "name": "executed", "type": "bool" }
                 ],
                 "payable": false,
                 "stateMutability": "view",
@@ -281,12 +150,7 @@
                 "constant": true,
                 "inputs": [],
                 "name": "getOwners",
-                "outputs": [
-                    {
-                        "name": "",
-                        "type": "address[]"
-                    }
-                ],
+                "outputs": [{ "name": "", "type": "address[]" }],
                 "payable": false,
                 "stateMutability": "view",
                 "type": "function"
@@ -294,49 +158,22 @@
             {
                 "constant": true,
                 "inputs": [
-                    {
-                        "name": "from",
-                        "type": "uint256"
-                    },
-                    {
-                        "name": "to",
-                        "type": "uint256"
-                    },
-                    {
-                        "name": "pending",
-                        "type": "bool"
-                    },
-                    {
-                        "name": "executed",
-                        "type": "bool"
-                    }
+                    { "name": "from", "type": "uint256" },
+                    { "name": "to", "type": "uint256" },
+                    { "name": "pending", "type": "bool" },
+                    { "name": "executed", "type": "bool" }
                 ],
                 "name": "getTransactionIds",
-                "outputs": [
-                    {
-                        "name": "_transactionIds",
-                        "type": "uint256[]"
-                    }
-                ],
+                "outputs": [{ "name": "_transactionIds", "type": "uint256[]" }],
                 "payable": false,
                 "stateMutability": "view",
                 "type": "function"
             },
             {
                 "constant": true,
-                "inputs": [
-                    {
-                        "name": "transactionId",
-                        "type": "uint256"
-                    }
-                ],
+                "inputs": [{ "name": "transactionId", "type": "uint256" }],
                 "name": "getConfirmations",
-                "outputs": [
-                    {
-                        "name": "_confirmations",
-                        "type": "address[]"
-                    }
-                ],
+                "outputs": [{ "name": "_confirmations", "type": "address[]" }],
                 "payable": false,
                 "stateMutability": "view",
                 "type": "function"
@@ -345,24 +182,14 @@
                 "constant": true,
                 "inputs": [],
                 "name": "transactionCount",
-                "outputs": [
-                    {
-                        "name": "",
-                        "type": "uint256"
-                    }
-                ],
+                "outputs": [{ "name": "", "type": "uint256" }],
                 "payable": false,
                 "stateMutability": "view",
                 "type": "function"
             },
             {
                 "constant": false,
-                "inputs": [
-                    {
-                        "name": "_required",
-                        "type": "uint256"
-                    }
-                ],
+                "inputs": [{ "name": "_required", "type": "uint256" }],
                 "name": "changeRequirement",
                 "outputs": [],
                 "payable": false,
@@ -371,12 +198,7 @@
             },
             {
                 "constant": false,
-                "inputs": [
-                    {
-                        "name": "transactionId",
-                        "type": "uint256"
-                    }
-                ],
+                "inputs": [{ "name": "transactionId", "type": "uint256" }],
                 "name": "confirmTransaction",
                 "outputs": [],
                 "payable": false,
@@ -386,45 +208,21 @@
             {
                 "constant": false,
                 "inputs": [
-                    {
-                        "name": "destination",
-                        "type": "address"
-                    },
-                    {
-                        "name": "value",
-                        "type": "uint256"
-                    },
-                    {
-                        "name": "data",
-                        "type": "bytes"
-                    }
+                    { "name": "destination", "type": "address" },
+                    { "name": "value", "type": "uint256" },
+                    { "name": "data", "type": "bytes" }
                 ],
                 "name": "submitTransaction",
-                "outputs": [
-                    {
-                        "name": "transactionId",
-                        "type": "uint256"
-                    }
-                ],
+                "outputs": [{ "name": "transactionId", "type": "uint256" }],
                 "payable": false,
                 "stateMutability": "nonpayable",
                 "type": "function"
             },
             {
                 "constant": true,
-                "inputs": [
-                    {
-                        "name": "",
-                        "type": "uint256"
-                    }
-                ],
+                "inputs": [{ "name": "", "type": "uint256" }],
                 "name": "confirmationTimes",
-                "outputs": [
-                    {
-                        "name": "",
-                        "type": "uint256"
-                    }
-                ],
+                "outputs": [{ "name": "", "type": "uint256" }],
                 "payable": false,
                 "stateMutability": "view",
                 "type": "function"
@@ -433,12 +231,7 @@
                 "constant": true,
                 "inputs": [],
                 "name": "MAX_OWNER_COUNT",
-                "outputs": [
-                    {
-                        "name": "",
-                        "type": "uint256"
-                    }
-                ],
+                "outputs": [{ "name": "", "type": "uint256" }],
                 "payable": false,
                 "stateMutability": "view",
                 "type": "function"
@@ -447,28 +240,14 @@
                 "constant": true,
                 "inputs": [],
                 "name": "required",
-                "outputs": [
-                    {
-                        "name": "",
-                        "type": "uint256"
-                    }
-                ],
+                "outputs": [{ "name": "", "type": "uint256" }],
                 "payable": false,
                 "stateMutability": "view",
                 "type": "function"
             },
             {
                 "constant": false,
-                "inputs": [
-                    {
-                        "name": "owner",
-                        "type": "address"
-                    },
-                    {
-                        "name": "newOwner",
-                        "type": "address"
-                    }
-                ],
+                "inputs": [{ "name": "owner", "type": "address" }, { "name": "newOwner", "type": "address" }],
                 "name": "replaceOwner",
                 "outputs": [],
                 "payable": false,
@@ -477,12 +256,7 @@
             },
             {
                 "constant": false,
-                "inputs": [
-                    {
-                        "name": "transactionId",
-                        "type": "uint256"
-                    }
-                ],
+                "inputs": [{ "name": "transactionId", "type": "uint256" }],
                 "name": "executeTransaction",
                 "outputs": [],
                 "payable": false,
@@ -491,45 +265,21 @@
             },
             {
                 "inputs": [
-                    {
-                        "name": "_owners",
-                        "type": "address[]"
-                    },
-                    {
-                        "name": "_assetProxyContracts",
-                        "type": "address[]"
-                    },
-                    {
-                        "name": "_required",
-                        "type": "uint256"
-                    },
-                    {
-                        "name": "_secondsTimeLocked",
-                        "type": "uint256"
-                    }
+                    { "name": "_owners", "type": "address[]" },
+                    { "name": "_assetProxyContracts", "type": "address[]" },
+                    { "name": "_required", "type": "uint256" },
+                    { "name": "_secondsTimeLocked", "type": "uint256" }
                 ],
                 "payable": false,
                 "stateMutability": "nonpayable",
                 "type": "constructor"
             },
-            {
-                "payable": true,
-                "stateMutability": "payable",
-                "type": "fallback"
-            },
+            { "payable": true, "stateMutability": "payable", "type": "fallback" },
             {
                 "anonymous": false,
                 "inputs": [
-                    {
-                        "indexed": false,
-                        "name": "assetProxyContract",
-                        "type": "address"
-                    },
-                    {
-                        "indexed": false,
-                        "name": "isRegistered",
-                        "type": "bool"
-                    }
+                    { "indexed": false, "name": "assetProxyContract", "type": "address" },
+                    { "indexed": false, "name": "isRegistered", "type": "bool" }
                 ],
                 "name": "AssetProxyRegistration",
                 "type": "event"
@@ -537,45 +287,23 @@
             {
                 "anonymous": false,
                 "inputs": [
-                    {
-                        "indexed": true,
-                        "name": "transactionId",
-                        "type": "uint256"
-                    },
-                    {
-                        "indexed": false,
-                        "name": "confirmationTime",
-                        "type": "uint256"
-                    }
+                    { "indexed": true, "name": "transactionId", "type": "uint256" },
+                    { "indexed": false, "name": "confirmationTime", "type": "uint256" }
                 ],
                 "name": "ConfirmationTimeSet",
                 "type": "event"
             },
             {
                 "anonymous": false,
-                "inputs": [
-                    {
-                        "indexed": false,
-                        "name": "secondsTimeLocked",
-                        "type": "uint256"
-                    }
-                ],
+                "inputs": [{ "indexed": false, "name": "secondsTimeLocked", "type": "uint256" }],
                 "name": "TimeLockChange",
                 "type": "event"
             },
             {
                 "anonymous": false,
                 "inputs": [
-                    {
-                        "indexed": true,
-                        "name": "sender",
-                        "type": "address"
-                    },
-                    {
-                        "indexed": true,
-                        "name": "transactionId",
-                        "type": "uint256"
-                    }
+                    { "indexed": true, "name": "sender", "type": "address" },
+                    { "indexed": true, "name": "transactionId", "type": "uint256" }
                 ],
                 "name": "Confirmation",
                 "type": "event"
@@ -583,115 +311,61 @@
             {
                 "anonymous": false,
                 "inputs": [
-                    {
-                        "indexed": true,
-                        "name": "sender",
-                        "type": "address"
-                    },
-                    {
-                        "indexed": true,
-                        "name": "transactionId",
-                        "type": "uint256"
-                    }
+                    { "indexed": true, "name": "sender", "type": "address" },
+                    { "indexed": true, "name": "transactionId", "type": "uint256" }
                 ],
                 "name": "Revocation",
                 "type": "event"
             },
             {
                 "anonymous": false,
-                "inputs": [
-                    {
-                        "indexed": true,
-                        "name": "transactionId",
-                        "type": "uint256"
-                    }
-                ],
+                "inputs": [{ "indexed": true, "name": "transactionId", "type": "uint256" }],
                 "name": "Submission",
                 "type": "event"
             },
             {
                 "anonymous": false,
-                "inputs": [
-                    {
-                        "indexed": true,
-                        "name": "transactionId",
-                        "type": "uint256"
-                    }
-                ],
+                "inputs": [{ "indexed": true, "name": "transactionId", "type": "uint256" }],
                 "name": "Execution",
                 "type": "event"
             },
             {
                 "anonymous": false,
-                "inputs": [
-                    {
-                        "indexed": true,
-                        "name": "transactionId",
-                        "type": "uint256"
-                    }
-                ],
+                "inputs": [{ "indexed": true, "name": "transactionId", "type": "uint256" }],
                 "name": "ExecutionFailure",
                 "type": "event"
             },
             {
                 "anonymous": false,
                 "inputs": [
-                    {
-                        "indexed": true,
-                        "name": "sender",
-                        "type": "address"
-                    },
-                    {
-                        "indexed": false,
-                        "name": "value",
-                        "type": "uint256"
-                    }
+                    { "indexed": true, "name": "sender", "type": "address" },
+                    { "indexed": false, "name": "value", "type": "uint256" }
                 ],
                 "name": "Deposit",
                 "type": "event"
             },
             {
                 "anonymous": false,
-                "inputs": [
-                    {
-                        "indexed": true,
-                        "name": "owner",
-                        "type": "address"
-                    }
-                ],
+                "inputs": [{ "indexed": true, "name": "owner", "type": "address" }],
                 "name": "OwnerAddition",
                 "type": "event"
             },
             {
                 "anonymous": false,
-                "inputs": [
-                    {
-                        "indexed": true,
-                        "name": "owner",
-                        "type": "address"
-                    }
-                ],
+                "inputs": [{ "indexed": true, "name": "owner", "type": "address" }],
                 "name": "OwnerRemoval",
                 "type": "event"
             },
             {
                 "anonymous": false,
-                "inputs": [
-                    {
-                        "indexed": false,
-                        "name": "required",
-                        "type": "uint256"
-                    }
-                ],
+                "inputs": [{ "indexed": false, "name": "required", "type": "uint256" }],
                 "name": "RequirementChange",
                 "type": "event"
             }
         ],
         "evm": {
             "bytecode": {
-                "linkReferences": {},
-                "object":
-                    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             }
         }
     },
diff --git a/packages/contract-artifacts/artifacts/Coordinator.json b/packages/contract-artifacts/artifacts/Coordinator.json
index d7f985e8d9..8295e51738 100644
--- a/packages/contract-artifacts/artifacts/Coordinator.json
+++ b/packages/contract-artifacts/artifacts/Coordinator.json
@@ -1,311 +1,160 @@
 {
-	"schemaVersion": "2.0.0",
-	"contractName": "Coordinator",
-	"compilerOutput": {
-		"abi": [
-			{
-				"constant": true,
-				"inputs": [
-					{
-						"name": "hash",
-						"type": "bytes32"
-					},
-					{
-						"name": "signature",
-						"type": "bytes"
-					}
-				],
-				"name": "getSignerAddress",
-				"outputs": [
-					{
-						"name": "signerAddress",
-						"type": "address"
-					}
-				],
-				"payable": false,
-				"stateMutability": "pure",
-				"type": "function"
-			},
-			{
-				"constant": true,
-				"inputs": [
-					{
-						"components": [
-							{
-								"name": "salt",
-								"type": "uint256"
-							},
-							{
-								"name": "signerAddress",
-								"type": "address"
-							},
-							{
-								"name": "data",
-								"type": "bytes"
-							}
-						],
-						"name": "transaction",
-						"type": "tuple"
-					}
-				],
-				"name": "getTransactionHash",
-				"outputs": [
-					{
-						"name": "transactionHash",
-						"type": "bytes32"
-					}
-				],
-				"payable": false,
-				"stateMutability": "view",
-				"type": "function"
-			},
-			{
-				"constant": true,
-				"inputs": [
-					{
-						"components": [
-							{
-								"name": "txOrigin",
-								"type": "address"
-							},
-							{
-								"name": "transactionHash",
-								"type": "bytes32"
-							},
-							{
-								"name": "transactionSignature",
-								"type": "bytes"
-							},
-							{
-								"name": "approvalExpirationTimeSeconds",
-								"type": "uint256"
-							}
-						],
-						"name": "approval",
-						"type": "tuple"
-					}
-				],
-				"name": "getCoordinatorApprovalHash",
-				"outputs": [
-					{
-						"name": "approvalHash",
-						"type": "bytes32"
-					}
-				],
-				"payable": false,
-				"stateMutability": "view",
-				"type": "function"
-			},
-			{
-				"constant": false,
-				"inputs": [
-					{
-						"components": [
-							{
-								"name": "salt",
-								"type": "uint256"
-							},
-							{
-								"name": "signerAddress",
-								"type": "address"
-							},
-							{
-								"name": "data",
-								"type": "bytes"
-							}
-						],
-						"name": "transaction",
-						"type": "tuple"
-					},
-					{
-						"name": "txOrigin",
-						"type": "address"
-					},
-					{
-						"name": "transactionSignature",
-						"type": "bytes"
-					},
-					{
-						"name": "approvalExpirationTimeSeconds",
-						"type": "uint256[]"
-					},
-					{
-						"name": "approvalSignatures",
-						"type": "bytes[]"
-					}
-				],
-				"name": "executeTransaction",
-				"outputs": [],
-				"payable": false,
-				"stateMutability": "nonpayable",
-				"type": "function"
-			},
-			{
-				"constant": true,
-				"inputs": [],
-				"name": "EIP712_EXCHANGE_DOMAIN_HASH",
-				"outputs": [
-					{
-						"name": "",
-						"type": "bytes32"
-					}
-				],
-				"payable": false,
-				"stateMutability": "view",
-				"type": "function"
-			},
-			{
-				"constant": true,
-				"inputs": [
-					{
-						"components": [
-							{
-								"name": "salt",
-								"type": "uint256"
-							},
-							{
-								"name": "signerAddress",
-								"type": "address"
-							},
-							{
-								"name": "data",
-								"type": "bytes"
-							}
-						],
-						"name": "transaction",
-						"type": "tuple"
-					},
-					{
-						"name": "txOrigin",
-						"type": "address"
-					},
-					{
-						"name": "transactionSignature",
-						"type": "bytes"
-					},
-					{
-						"name": "approvalExpirationTimeSeconds",
-						"type": "uint256[]"
-					},
-					{
-						"name": "approvalSignatures",
-						"type": "bytes[]"
-					}
-				],
-				"name": "assertValidCoordinatorApprovals",
-				"outputs": [],
-				"payable": false,
-				"stateMutability": "view",
-				"type": "function"
-			},
-			{
-				"constant": true,
-				"inputs": [
-					{
-						"name": "data",
-						"type": "bytes"
-					}
-				],
-				"name": "decodeOrdersFromFillData",
-				"outputs": [
-					{
-						"components": [
-							{
-								"name": "makerAddress",
-								"type": "address"
-							},
-							{
-								"name": "takerAddress",
-								"type": "address"
-							},
-							{
-								"name": "feeRecipientAddress",
-								"type": "address"
-							},
-							{
-								"name": "senderAddress",
-								"type": "address"
-							},
-							{
-								"name": "makerAssetAmount",
-								"type": "uint256"
-							},
-							{
-								"name": "takerAssetAmount",
-								"type": "uint256"
-							},
-							{
-								"name": "makerFee",
-								"type": "uint256"
-							},
-							{
-								"name": "takerFee",
-								"type": "uint256"
-							},
-							{
-								"name": "expirationTimeSeconds",
-								"type": "uint256"
-							},
-							{
-								"name": "salt",
-								"type": "uint256"
-							},
-							{
-								"name": "makerAssetData",
-								"type": "bytes"
-							},
-							{
-								"name": "takerAssetData",
-								"type": "bytes"
-							}
-						],
-						"name": "orders",
-						"type": "tuple[]"
-					}
-				],
-				"payable": false,
-				"stateMutability": "pure",
-				"type": "function"
-			},
-			{
-				"constant": true,
-				"inputs": [],
-				"name": "EIP712_COORDINATOR_DOMAIN_HASH",
-				"outputs": [
-					{
-						"name": "",
-						"type": "bytes32"
-					}
-				],
-				"payable": false,
-				"stateMutability": "view",
-				"type": "function"
-			},
-			{
-				"inputs": [
-					{
-						"name": "_exchange",
-						"type": "address"
-					}
-				],
-				"payable": false,
-				"stateMutability": "nonpayable",
-				"type": "constructor"
-			}
-		],
-		"evm": {
-			"bytecode": {
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0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x17D SWAP1 PUSH2 0x1C7B JUMP JUMPDEST PUSH1 0x0 DUP2 PUSH1 0xFF AND PUSH1 0x4 DUP2 GT ISZERO PUSH2 0x1E1 JUMPI INVALID JUMPDEST SWAP1 POP PUSH1 0x0 DUP2 PUSH1 0x4 DUP2 GT ISZERO PUSH2 0x1F1 JUMPI INVALID JUMPDEST EQ ISZERO PUSH2 0x229 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x17D SWAP1 PUSH2 0x1D46 JUMP JUMPDEST PUSH1 0x1 DUP2 PUSH1 0x4 DUP2 GT ISZERO PUSH2 0x237 JUMPI INVALID JUMPDEST EQ ISZERO PUSH2 0x2A8 JUMPI DUP4 MLOAD ISZERO PUSH2 0x276 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x17D SWAP1 PUSH2 0x1E48 JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x17D SWAP1 PUSH2 0x1DB4 JUMP JUMPDEST PUSH1 0x2 DUP2 PUSH1 0x4 DUP2 GT ISZERO PUSH2 0x2B6 JUMPI INVALID JUMPDEST EQ ISZERO PUSH2 0x3BB JUMPI DUP4 MLOAD PUSH1 0x41 EQ PUSH2 0x2F7 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x17D SWAP1 PUSH2 0x1AD4 JUMP JUMPDEST PUSH1 0x0 DUP5 PUSH1 0x0 DUP2 MLOAD DUP2 LT PUSH2 0x306 JUMPI INVALID JUMPDEST ADD PUSH1 0x20 ADD MLOAD PUSH1 0xF8 SWAP1 DUP2 SHR DUP2 SHL SWAP1 SHR SWAP1 POP PUSH1 0x0 PUSH2 0x329 DUP7 PUSH1 0x1 PUSH4 0xFFFFFFFF PUSH2 0xB18 AND JUMP JUMPDEST SWAP1 POP PUSH1 0x0 PUSH2 0x33E DUP8 PUSH1 0x21 PUSH4 0xFFFFFFFF PUSH2 0xB18 AND JUMP JUMPDEST SWAP1 POP PUSH1 0x1 DUP9 DUP5 DUP5 DUP5 PUSH1 0x40 MLOAD PUSH1 0x0 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x40 MSTORE PUSH1 0x40 MLOAD PUSH2 0x363 SWAP5 SWAP4 SWAP3 SWAP2 SWAP1 PUSH2 0x1AB6 JUMP JUMPDEST PUSH1 0x20 PUSH1 0x40 MLOAD PUSH1 0x20 DUP2 SUB SWAP1 DUP1 DUP5 SUB SWAP1 DUP6 GAS STATICCALL ISZERO DUP1 ISZERO PUSH2 0x385 JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP POP PUSH1 0x40 MLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 ADD MLOAD SWAP7 POP PUSH2 0x4CE SWAP6 POP POP POP POP POP POP JUMP JUMPDEST PUSH1 0x3 DUP2 PUSH1 0x4 DUP2 GT ISZERO PUSH2 0x3C9 JUMPI INVALID JUMPDEST EQ ISZERO PUSH2 0x49C JUMPI DUP4 MLOAD PUSH1 0x41 EQ PUSH2 0x40A JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x17D SWAP1 PUSH2 0x1AD4 JUMP JUMPDEST PUSH1 0x0 DUP5 PUSH1 0x0 DUP2 MLOAD DUP2 LT PUSH2 0x419 JUMPI INVALID JUMPDEST ADD PUSH1 0x20 ADD MLOAD PUSH1 0xF8 SWAP1 DUP2 SHR DUP2 SHL SWAP1 SHR SWAP1 POP PUSH1 0x0 PUSH2 0x43C DUP7 PUSH1 0x1 PUSH4 0xFFFFFFFF PUSH2 0xB18 AND JUMP JUMPDEST SWAP1 POP PUSH1 0x0 PUSH2 0x451 DUP8 PUSH1 0x21 PUSH4 0xFFFFFFFF PUSH2 0xB18 AND JUMP JUMPDEST SWAP1 POP PUSH1 0x1 DUP9 PUSH1 0x40 MLOAD PUSH1 0x20 ADD PUSH2 0x466 SWAP2 SWAP1 PUSH2 0x1927 JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH1 0x20 DUP2 DUP4 SUB SUB DUP2 MSTORE SWAP1 PUSH1 0x40 MSTORE DUP1 MLOAD SWAP1 PUSH1 0x20 ADD KECCAK256 DUP5 DUP5 DUP5 PUSH1 0x40 MLOAD PUSH1 0x0 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x40 MSTORE PUSH1 0x40 MLOAD PUSH2 0x363 SWAP5 SWAP4 SWAP3 SWAP2 SWAP1 PUSH2 0x1AB6 JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x17D SWAP1 PUSH2 0x1C7B JUMP JUMPDEST SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 PUSH2 0x4CE PUSH2 0x4E2 DUP4 PUSH2 0xB61 JUMP JUMPDEST PUSH2 0xBCF JUMP JUMPDEST PUSH1 0x0 PUSH2 0x4CE PUSH2 0x4F5 DUP4 PUSH2 0xBDD JUMP JUMPDEST PUSH2 0xC3C JUMP JUMPDEST PUSH2 0x507 DUP6 DUP6 DUP6 DUP6 DUP6 PUSH2 0x5AC JUMP JUMPDEST PUSH1 0x0 SLOAD DUP6 MLOAD PUSH1 0x20 DUP8 ADD MLOAD PUSH1 0x40 DUP1 DUP10 ADD MLOAD SWAP1 MLOAD PUSH32 0xBFC8BFCE00000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP5 AND SWAP4 PUSH4 0xBFC8BFCE SWAP4 PUSH2 0x56D SWAP4 SWAP1 SWAP3 SWAP1 SWAP2 DUP10 SWAP1 PUSH1 0x4 ADD PUSH2 0x1E7F JUMP JUMPDEST PUSH1 0x0 PUSH1 0x40 MLOAD DUP1 DUP4 SUB DUP2 PUSH1 0x0 DUP8 DUP1 EXTCODESIZE ISZERO DUP1 ISZERO PUSH2 0x587 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP GAS CALL ISZERO DUP1 ISZERO PUSH2 0x59B JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP POP POP POP POP POP POP POP POP JUMP JUMPDEST PUSH1 0x2 SLOAD DUP2 JUMP JUMPDEST PUSH1 0x60 PUSH2 0x5BB DUP7 PUSH1 0x40 ADD MLOAD PUSH2 0x5DB JUMP JUMPDEST DUP1 MLOAD SWAP1 SWAP2 POP ISZERO PUSH2 0x5D3 JUMPI PUSH2 0x5D3 DUP7 DUP3 DUP8 DUP8 DUP8 DUP8 PUSH2 0xC4A JUMP JUMPDEST POP POP POP POP POP POP JUMP JUMPDEST PUSH1 0x60 PUSH1 0x0 PUSH2 0x5EF DUP4 DUP3 PUSH4 0xFFFFFFFF PUSH2 0xE98 AND JUMP JUMPDEST SWAP1 POP PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 DUP2 AND PUSH32 0xB4BE83D500000000000000000000000000000000000000000000000000000000 EQ DUP1 PUSH2 0x682 JUMPI POP PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 DUP2 AND PUSH32 0x3E228BAE00000000000000000000000000000000000000000000000000000000 EQ JUMPDEST DUP1 PUSH2 0x6CE JUMPI POP PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 DUP2 AND PUSH32 0x64A3BC1500000000000000000000000000000000000000000000000000000000 EQ JUMPDEST ISZERO PUSH2 0x757 JUMPI PUSH2 0x6DB PUSH2 0x11DB JUMP JUMPDEST DUP4 MLOAD PUSH2 0x6F1 SWAP1 DUP6 SWAP1 PUSH1 0x4 SWAP1 PUSH4 0xFFFFFFFF PUSH2 0xF03 AND JUMP JUMPDEST DUP1 PUSH1 0x20 ADD SWAP1 MLOAD PUSH2 0x704 SWAP2 SWAP1 DUP2 ADD SWAP1 PUSH2 0x16ED JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH1 0x1 DUP1 DUP3 MSTORE DUP2 DUP4 ADD SWAP1 SWAP3 MSTORE SWAP2 SWAP3 POP DUP2 PUSH1 0x20 ADD JUMPDEST PUSH2 0x723 PUSH2 0x11DB JUMP JUMPDEST DUP2 MSTORE PUSH1 0x20 ADD SWAP1 PUSH1 0x1 SWAP1 SUB SWAP1 DUP2 PUSH2 0x71B JUMPI SWAP1 POP POP SWAP3 POP DUP1 DUP4 PUSH1 0x0 DUP2 MLOAD DUP2 LT PUSH2 0x746 JUMPI INVALID JUMPDEST PUSH1 0x20 MUL PUSH1 0x20 ADD ADD DUP2 SWAP1 MSTORE POP POP PUSH2 0xA89 JUMP JUMPDEST PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 DUP2 AND PUSH32 0x297BB70B00000000000000000000000000000000000000000000000000000000 EQ DUP1 PUSH2 0x7E8 JUMPI POP PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 DUP2 AND PUSH32 0x50DDE19000000000000000000000000000000000000000000000000000000000 EQ JUMPDEST DUP1 PUSH2 0x834 JUMPI POP PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 DUP2 AND PUSH32 0x4D0AE54600000000000000000000000000000000000000000000000000000000 EQ JUMPDEST DUP1 PUSH2 0x880 JUMPI POP PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 DUP2 AND PUSH32 0xE5FA431B00000000000000000000000000000000000000000000000000000000 EQ JUMPDEST DUP1 PUSH2 0x8CC JUMPI POP PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 DUP2 AND PUSH32 0xA3E2038000000000000000000000000000000000000000000000000000000000 EQ JUMPDEST DUP1 PUSH2 0x918 JUMPI POP PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 DUP2 AND PUSH32 0x7E1D980800000000000000000000000000000000000000000000000000000000 EQ JUMPDEST DUP1 PUSH2 0x964 JUMPI POP PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 DUP2 AND PUSH32 0xDD1C7D1800000000000000000000000000000000000000000000000000000000 EQ JUMPDEST ISZERO PUSH2 0x999 JUMPI DUP3 MLOAD PUSH2 0x97F SWAP1 DUP5 SWAP1 PUSH1 0x4 SWAP1 PUSH4 0xFFFFFFFF PUSH2 0xF03 AND JUMP JUMPDEST DUP1 PUSH1 0x20 ADD SWAP1 MLOAD PUSH2 0x992 SWAP2 SWAP1 DUP2 ADD SWAP1 PUSH2 0x154B JUMP JUMPDEST SWAP2 POP PUSH2 0xA89 JUMP JUMPDEST PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 DUP2 AND PUSH32 0x3C28D86100000000000000000000000000000000000000000000000000000000 EQ ISZERO PUSH2 0xA89 JUMPI PUSH2 0x9EB PUSH2 0x11DB JUMP JUMPDEST PUSH2 0x9F3 PUSH2 0x11DB JUMP JUMPDEST DUP5 MLOAD PUSH2 0xA09 SWAP1 DUP7 SWAP1 PUSH1 0x4 SWAP1 PUSH4 0xFFFFFFFF PUSH2 0xF03 AND JUMP JUMPDEST DUP1 PUSH1 0x20 ADD SWAP1 MLOAD PUSH2 0xA1C SWAP2 SWAP1 DUP2 ADD SWAP1 PUSH2 0x1722 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH1 0x2 DUP1 DUP3 MSTORE PUSH1 0x60 DUP3 ADD SWAP1 SWAP3 MSTORE SWAP3 SWAP5 POP SWAP1 SWAP3 POP DUP2 PUSH1 0x20 ADD JUMPDEST PUSH2 0xA3F PUSH2 0x11DB JUMP JUMPDEST DUP2 MSTORE PUSH1 0x20 ADD SWAP1 PUSH1 0x1 SWAP1 SUB SWAP1 DUP2 PUSH2 0xA37 JUMPI SWAP1 POP POP SWAP4 POP DUP2 DUP5 PUSH1 0x0 DUP2 MLOAD DUP2 LT PUSH2 0xA62 JUMPI INVALID JUMPDEST PUSH1 0x20 MUL PUSH1 0x20 ADD ADD DUP2 SWAP1 MSTORE POP DUP1 DUP5 PUSH1 0x1 DUP2 MLOAD DUP2 LT PUSH2 0xA7B JUMPI INVALID JUMPDEST PUSH1 0x20 MUL PUSH1 0x20 ADD ADD DUP2 SWAP1 MSTORE POP POP POP JUMPDEST POP SWAP2 SWAP1 POP JUMP JUMPDEST PUSH1 0x1 SLOAD DUP2 JUMP JUMPDEST PUSH1 0x0 DUP1 DUP3 MLOAD GT PUSH2 0xAD1 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x17D SWAP1 PUSH2 0x1CE9 JUMP JUMPDEST DUP2 PUSH1 0x1 DUP4 MLOAD SUB DUP2 MLOAD DUP2 LT PUSH2 0xAE1 JUMPI INVALID JUMPDEST ADD PUSH1 0x20 ADD MLOAD DUP3 MLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD SWAP1 SWAP3 MSTORE POP PUSH1 0xF8 SWAP1 DUP2 SHR SWAP1 SHL SWAP1 JUMP JUMPDEST PUSH1 0x0 DUP2 PUSH1 0x20 ADD DUP4 MLOAD LT ISZERO PUSH2 0xB58 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x17D SWAP1 PUSH2 0x1C1E JUMP JUMPDEST POP ADD PUSH1 0x20 ADD MLOAD SWAP1 JUMP JUMPDEST PUSH1 0x40 DUP2 DUP2 ADD MLOAD DUP3 MLOAD PUSH1 0x20 SWAP4 DUP5 ADD MLOAD DUP3 MLOAD SWAP3 DUP6 ADD SWAP3 SWAP1 SWAP3 KECCAK256 DUP4 MLOAD PUSH32 0x213C6F636F3EA94E701C0ADF9B2624AA45A6C694F9A292C094F9A81C24B5DF4C DUP2 MSTORE SWAP5 DUP6 ADD SWAP2 SWAP1 SWAP2 MSTORE PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP2 AND SWAP2 DUP4 ADD SWAP2 SWAP1 SWAP2 MSTORE PUSH1 0x60 DUP3 ADD MSTORE PUSH1 0x80 SWAP1 KECCAK256 SWAP1 JUMP JUMPDEST PUSH1 0x0 PUSH2 0x4CE PUSH1 0x2 SLOAD DUP4 PUSH2 0xFCF JUMP JUMPDEST PUSH1 0x40 DUP1 DUP3 ADD MLOAD DUP3 MLOAD PUSH1 0x20 DUP1 DUP6 ADD MLOAD PUSH1 0x60 DUP7 DUP2 ADD MLOAD DUP6 MLOAD SWAP6 DUP5 ADD SWAP6 SWAP1 SWAP6 KECCAK256 DUP7 MLOAD PUSH32 0x2FBCDBAA76BC7589916958AE919DFBEF04D23F6BBF26DE6FF317B32C6CC01E05 DUP2 MSTORE SWAP4 DUP5 ADD SWAP5 SWAP1 SWAP5 MSTORE SWAP5 DUP3 ADD MSTORE SWAP3 DUP4 ADD MSTORE PUSH1 0x80 DUP3 ADD MSTORE PUSH1 0xA0 SWAP1 KECCAK256 SWAP2 SWAP1 POP JUMP JUMPDEST PUSH1 0x0 PUSH2 0x4CE PUSH1 0x1 SLOAD DUP4 PUSH2 0xFCF JUMP JUMPDEST ORIGIN PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP6 AND EQ PUSH2 0xC99 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x17D SWAP1 PUSH2 0x1CB2 JUMP JUMPDEST PUSH1 0x0 PUSH2 0xCA4 DUP8 PUSH2 0x4D4 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH1 0x0 DUP1 DUP3 MSTORE PUSH1 0x20 DUP3 ADD SWAP1 SWAP3 MSTORE DUP5 MLOAD SWAP3 SWAP4 POP SWAP2 SWAP1 JUMPDEST DUP2 DUP2 EQ PUSH2 0xDA5 JUMPI PUSH1 0x0 DUP7 DUP3 DUP2 MLOAD DUP2 LT PUSH2 0xCD1 JUMPI INVALID JUMPDEST PUSH1 0x20 MUL PUSH1 0x20 ADD ADD MLOAD SWAP1 POP PUSH2 0xCE3 PUSH2 0x1294 JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 PUSH1 0x80 ADD PUSH1 0x40 MSTORE DUP1 DUP12 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 MSTORE PUSH1 0x20 ADD DUP8 DUP2 MSTORE PUSH1 0x20 ADD DUP11 DUP2 MSTORE PUSH1 0x20 ADD DUP4 DUP2 MSTORE POP SWAP1 POP TIMESTAMP DUP3 GT PUSH2 0xD55 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x17D SWAP1 PUSH2 0x1BE7 JUMP JUMPDEST PUSH1 0x0 PUSH2 0xD60 DUP3 PUSH2 0x4E7 JUMP JUMPDEST SWAP1 POP PUSH1 0x0 PUSH2 0xD81 DUP3 DUP11 DUP8 DUP2 MLOAD DUP2 LT PUSH2 0xD74 JUMPI INVALID JUMPDEST PUSH1 0x20 MUL PUSH1 0x20 ADD ADD MLOAD PUSH2 0x141 JUMP JUMPDEST SWAP1 POP PUSH2 0xD93 DUP8 DUP3 PUSH4 0xFFFFFFFF PUSH2 0x1009 AND JUMP JUMPDEST SWAP7 POP POP PUSH1 0x1 SWAP1 SWAP4 ADD SWAP3 POP PUSH2 0xCBC SWAP2 POP POP JUMP JUMPDEST POP PUSH2 0xDB6 DUP3 ORIGIN PUSH4 0xFFFFFFFF PUSH2 0x1009 AND JUMP JUMPDEST DUP9 MLOAD SWAP1 SWAP3 POP PUSH1 0x0 JUMPDEST DUP2 DUP2 EQ PUSH2 0xE8B JUMPI PUSH1 0x0 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP11 DUP3 DUP2 MLOAD DUP2 LT PUSH2 0xDE9 JUMPI INVALID JUMPDEST PUSH1 0x20 MUL PUSH1 0x20 ADD ADD MLOAD PUSH1 0x60 ADD MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND EQ ISZERO PUSH2 0xE16 JUMPI PUSH2 0xE83 JUMP JUMPDEST PUSH1 0x0 DUP11 DUP3 DUP2 MLOAD DUP2 LT PUSH2 0xE24 JUMPI INVALID JUMPDEST PUSH1 0x20 MUL PUSH1 0x20 ADD ADD MLOAD PUSH1 0x40 ADD MLOAD SWAP1 POP PUSH1 0x0 PUSH2 0xE47 DUP3 DUP8 PUSH2 0x10D0 SWAP1 SWAP2 SWAP1 PUSH4 0xFFFFFFFF AND JUMP JUMPDEST SWAP1 POP DUP1 PUSH2 0xE80 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x17D SWAP1 PUSH2 0x1B0B JUMP JUMPDEST POP POP JUMPDEST PUSH1 0x1 ADD PUSH2 0xDBE JUMP JUMPDEST POP POP POP POP POP POP POP POP POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP2 PUSH1 0x4 ADD DUP4 MLOAD LT ISZERO PUSH2 0xED8 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x17D SWAP1 PUSH2 0x1DEB JUMP JUMPDEST POP ADD PUSH1 0x20 ADD MLOAD PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 AND SWAP1 JUMP JUMPDEST PUSH1 0x60 DUP2 DUP4 GT ISZERO PUSH2 0xF3F JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x17D SWAP1 PUSH2 0x1B42 JUMP JUMPDEST DUP4 MLOAD DUP3 GT ISZERO PUSH2 0xF7A JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x17D SWAP1 PUSH2 0x1B79 JUMP JUMPDEST DUP3 DUP3 SUB PUSH1 0x40 MLOAD SWAP1 DUP1 DUP3 MSTORE DUP1 PUSH1 0x1F ADD PUSH1 0x1F NOT AND PUSH1 0x20 ADD DUP3 ADD PUSH1 0x40 MSTORE DUP1 ISZERO PUSH2 0xFA7 JUMPI PUSH1 0x20 DUP3 ADD DUP2 DUP1 CODESIZE DUP4 CODECOPY ADD SWAP1 POP JUMPDEST POP SWAP1 POP PUSH2 0xFC8 PUSH2 0xFB6 DUP3 PUSH2 0x1111 JUMP JUMPDEST DUP5 PUSH2 0xFC0 DUP8 PUSH2 0x1111 JUMP JUMPDEST ADD DUP4 MLOAD PUSH2 0x1117 JUMP JUMPDEST SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH32 0x1901000000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x2 DUP2 ADD SWAP3 SWAP1 SWAP3 MSTORE PUSH1 0x22 DUP3 ADD MSTORE PUSH1 0x42 SWAP1 KECCAK256 SWAP1 JUMP JUMPDEST DUP2 MLOAD PUSH1 0x40 MLOAD PUSH1 0x60 SWAP2 DUP5 SWAP1 PUSH1 0x20 DUP1 DUP3 MUL DUP1 DUP5 ADD DUP3 ADD SWAP3 SWAP2 ADD DUP3 DUP6 LT ISZERO PUSH2 0x105A JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x17D SWAP1 PUSH2 0x1BB0 JUMP JUMPDEST DUP3 DUP6 GT ISZERO PUSH2 0x1074 JUMPI PUSH2 0x106D DUP6 DUP6 DUP4 PUSH2 0x1117 JUMP JUMPDEST DUP5 SWAP8 POP DUP8 SWAP4 POP JUMPDEST PUSH1 0x1 DUP3 ADD SWAP2 POP PUSH1 0x20 DUP2 ADD SWAP1 POP DUP1 DUP5 ADD SWAP3 POP DUP3 SWAP5 POP DUP2 DUP9 MSTORE DUP5 PUSH1 0x40 MSTORE DUP7 DUP9 PUSH1 0x1 DUP5 SUB DUP2 MLOAD DUP2 LT PUSH2 0x109F JUMPI INVALID JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP3 AND PUSH1 0x20 SWAP3 DUP4 MUL SWAP2 SWAP1 SWAP2 ADD SWAP1 SWAP2 ADD MSTORE POP SWAP6 SWAP7 SWAP6 POP POP POP POP POP POP JUMP JUMPDEST PUSH1 0x0 PUSH1 0x20 DUP4 MLOAD MUL PUSH1 0x20 DUP5 ADD DUP2 DUP2 ADD DUP2 SWAP3 POP JUMPDEST DUP1 DUP4 LT ISZERO PUSH2 0x1108 JUMPI DUP3 MLOAD DUP1 DUP7 EQ ISZERO PUSH2 0x10FC JUMPI PUSH1 0x1 SWAP5 POP DUP2 SWAP4 POP JUMPDEST POP PUSH1 0x20 DUP4 ADD SWAP3 POP PUSH2 0x10E2 JUMP JUMPDEST POP POP POP SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x20 ADD SWAP1 JUMP JUMPDEST PUSH1 0x20 DUP2 LT ISZERO PUSH2 0x1141 JUMPI PUSH1 0x1 DUP2 PUSH1 0x20 SUB PUSH2 0x100 EXP SUB DUP1 NOT DUP4 MLOAD AND DUP2 DUP6 MLOAD AND DUP1 DUP3 OR DUP7 MSTORE POP POP POP PUSH2 0x11D6 JUMP JUMPDEST DUP3 DUP3 EQ ISZERO PUSH2 0x114E JUMPI PUSH2 0x11D6 JUMP JUMPDEST DUP3 DUP3 GT ISZERO PUSH2 0x1188 JUMPI PUSH1 0x20 DUP2 SUB SWAP1 POP DUP1 DUP3 ADD DUP2 DUP5 ADD DUP2 MLOAD JUMPDEST DUP3 DUP6 LT ISZERO PUSH2 0x1180 JUMPI DUP5 MLOAD DUP7 MSTORE PUSH1 0x20 SWAP6 DUP7 ADD SWAP6 SWAP1 SWAP5 ADD SWAP4 PUSH2 0x1165 JUMP JUMPDEST SWAP1 MSTORE POP PUSH2 0x11D6 JUMP JUMPDEST PUSH1 0x20 DUP2 SUB SWAP1 POP DUP1 DUP3 ADD DUP2 DUP5 ADD DUP4 MLOAD JUMPDEST DUP2 DUP7 SLT ISZERO PUSH2 0x11D1 JUMPI DUP3 MLOAD DUP3 MSTORE PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 SWAP3 DUP4 ADD SWAP3 SWAP1 SWAP2 ADD SWAP1 PUSH2 0x1197 JUMP JUMPDEST DUP6 MSTORE POP POP JUMPDEST POP POP POP JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 PUSH2 0x180 ADD PUSH1 0x40 MSTORE DUP1 PUSH1 0x0 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x60 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x60 DUP2 MSTORE POP SWAP1 JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 PUSH1 0x80 ADD PUSH1 0x40 MSTORE DUP1 PUSH1 0x0 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 DUP1 NOT AND DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x60 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 DUP2 MSTORE POP SWAP1 JUMP JUMPDEST DUP1 MLOAD PUSH2 0x4CE DUP2 PUSH2 0x1F8C JUMP JUMPDEST PUSH1 0x0 DUP3 PUSH1 0x1F DUP4 ADD SLT PUSH2 0x12F0 JUMPI DUP1 DUP2 REVERT JUMPDEST DUP2 CALLDATALOAD PUSH2 0x1303 PUSH2 0x12FE DUP3 PUSH2 0x1EF8 JUMP JUMPDEST PUSH2 0x1ED1 JUMP JUMPDEST DUP2 DUP2 MSTORE SWAP2 POP PUSH1 0x20 DUP1 DUP4 ADD SWAP1 DUP5 ADD PUSH1 0x0 JUMPDEST DUP4 DUP2 LT ISZERO PUSH2 0x1340 JUMPI PUSH2 0x132B DUP8 PUSH1 0x20 DUP5 CALLDATALOAD DUP10 ADD ADD PUSH2 0x134A JUMP JUMPDEST DUP4 MSTORE PUSH1 0x20 SWAP3 DUP4 ADD SWAP3 SWAP2 SWAP1 SWAP2 ADD SWAP1 PUSH1 0x1 ADD PUSH2 0x1313 JUMP JUMPDEST POP POP POP POP SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 DUP3 PUSH1 0x1F DUP4 ADD SLT PUSH2 0x135A JUMPI DUP1 DUP2 REVERT JUMPDEST DUP2 CALLDATALOAD PUSH2 0x1368 PUSH2 0x12FE DUP3 PUSH2 0x1F19 JUMP JUMPDEST SWAP2 POP DUP1 DUP3 MSTORE DUP4 PUSH1 0x20 DUP3 DUP6 ADD ADD GT ISZERO PUSH2 0x137F JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP1 PUSH1 0x20 DUP5 ADD PUSH1 0x20 DUP5 ADD CALLDATACOPY PUSH1 0x0 SWAP1 DUP3 ADD PUSH1 0x20 ADD MSTORE SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 DUP3 PUSH1 0x1F DUP4 ADD SLT PUSH2 0x13A9 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 MLOAD PUSH2 0x13B7 PUSH2 0x12FE DUP3 PUSH2 0x1F19 JUMP JUMPDEST SWAP2 POP DUP1 DUP3 MSTORE DUP4 PUSH1 0x20 DUP3 DUP6 ADD ADD GT ISZERO PUSH2 0x13CE JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x13DF DUP2 PUSH1 0x20 DUP5 ADD PUSH1 0x20 DUP7 ADD PUSH2 0x1F5C JUMP JUMPDEST POP SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 PUSH2 0x180 DUP1 DUP4 DUP6 SUB SLT ISZERO PUSH2 0x13F9 JUMPI DUP2 DUP3 REVERT JUMPDEST PUSH2 0x1402 DUP2 PUSH2 0x1ED1 JUMP JUMPDEST SWAP2 POP POP PUSH2 0x140F DUP4 DUP4 PUSH2 0x12D5 JUMP JUMPDEST DUP2 MSTORE PUSH2 0x141E DUP4 PUSH1 0x20 DUP5 ADD PUSH2 0x12D5 JUMP JUMPDEST PUSH1 0x20 DUP3 ADD MSTORE PUSH2 0x1430 DUP4 PUSH1 0x40 DUP5 ADD PUSH2 0x12D5 JUMP JUMPDEST PUSH1 0x40 DUP3 ADD MSTORE PUSH2 0x1442 DUP4 PUSH1 0x60 DUP5 ADD PUSH2 0x12D5 JUMP JUMPDEST PUSH1 0x60 DUP3 ADD MSTORE PUSH1 0x80 DUP3 ADD MLOAD PUSH1 0x80 DUP3 ADD MSTORE PUSH1 0xA0 DUP3 ADD MLOAD PUSH1 0xA0 DUP3 ADD MSTORE PUSH1 0xC0 DUP3 ADD MLOAD PUSH1 0xC0 DUP3 ADD MSTORE PUSH1 0xE0 DUP3 ADD MLOAD PUSH1 0xE0 DUP3 ADD MSTORE PUSH2 0x100 DUP1 DUP4 ADD MLOAD DUP2 DUP4 ADD MSTORE POP PUSH2 0x120 DUP1 DUP4 ADD MLOAD DUP2 DUP4 ADD MSTORE POP PUSH2 0x140 DUP1 DUP4 ADD MLOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP1 DUP3 GT ISZERO PUSH2 0x14A4 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x14B0 DUP7 DUP4 DUP8 ADD PUSH2 0x1398 JUMP JUMPDEST DUP4 DUP6 ADD MSTORE PUSH2 0x160 SWAP3 POP DUP3 DUP6 ADD MLOAD SWAP2 POP DUP1 DUP3 GT ISZERO PUSH2 0x14CC JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x14D9 DUP6 DUP3 DUP7 ADD PUSH2 0x1398 JUMP JUMPDEST DUP3 DUP5 ADD MSTORE POP POP SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 PUSH1 0x60 DUP3 DUP5 SUB SLT ISZERO PUSH2 0x14F6 JUMPI DUP1 DUP2 REVERT JUMPDEST PUSH2 0x1500 PUSH1 0x60 PUSH2 0x1ED1 JUMP JUMPDEST SWAP1 POP DUP2 CALLDATALOAD DUP2 MSTORE PUSH1 0x20 DUP3 ADD CALLDATALOAD PUSH2 0x1514 DUP2 PUSH2 0x1F8C JUMP JUMPDEST PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 DUP3 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x1533 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x153F DUP5 DUP3 DUP6 ADD PUSH2 0x134A JUMP JUMPDEST PUSH1 0x40 DUP4 ADD MSTORE POP SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 PUSH1 0x20 DUP1 DUP4 DUP6 SUB SLT ISZERO PUSH2 0x155D JUMPI DUP2 DUP3 REVERT JUMPDEST DUP3 MLOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x1573 JUMPI DUP3 DUP4 REVERT JUMPDEST DUP1 DUP5 ADD DUP6 PUSH1 0x1F DUP3 ADD SLT PUSH2 0x1584 JUMPI DUP4 DUP5 REVERT JUMPDEST DUP1 MLOAD SWAP2 POP PUSH2 0x1594 PUSH2 0x12FE DUP4 PUSH2 0x1EF8 JUMP JUMPDEST DUP3 DUP2 MSTORE DUP4 DUP2 ADD SWAP1 DUP3 DUP6 ADD DUP7 JUMPDEST DUP6 DUP2 LT ISZERO PUSH2 0x15C9 JUMPI PUSH2 0x15B7 DUP11 DUP9 DUP5 MLOAD DUP9 ADD ADD PUSH2 0x13E6 JUMP JUMPDEST DUP5 MSTORE SWAP3 DUP7 ADD SWAP3 SWAP1 DUP7 ADD SWAP1 PUSH1 0x1 ADD PUSH2 0x15A0 JUMP JUMPDEST POP SWAP1 SWAP9 SWAP8 POP POP POP POP POP POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x40 DUP4 DUP6 SUB SLT ISZERO PUSH2 0x15EA JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP3 CALLDATALOAD SWAP2 POP PUSH1 0x20 DUP4 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x1608 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x1614 DUP6 DUP3 DUP7 ADD PUSH2 0x134A JUMP JUMPDEST SWAP2 POP POP SWAP3 POP SWAP3 SWAP1 POP JUMP JUMPDEST PUSH1 0x0 PUSH1 0x20 DUP3 DUP5 SUB SLT ISZERO PUSH2 0x1630 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x1647 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x1653 DUP5 DUP3 DUP6 ADD PUSH2 0x134A JUMP JUMPDEST SWAP5 SWAP4 POP POP POP POP JUMP JUMPDEST PUSH1 0x0 PUSH1 0x20 DUP3 DUP5 SUB SLT ISZERO PUSH2 0x166C JUMPI DUP1 DUP2 REVERT JUMPDEST DUP2 CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP1 DUP3 GT ISZERO PUSH2 0x1683 JUMPI DUP3 DUP4 REVERT JUMPDEST DUP2 DUP5 ADD PUSH1 0x80 DUP2 DUP8 SUB SLT ISZERO PUSH2 0x1695 JUMPI DUP4 DUP5 REVERT JUMPDEST PUSH2 0x169F PUSH1 0x80 PUSH2 0x1ED1 JUMP JUMPDEST SWAP3 POP DUP1 CALLDATALOAD PUSH2 0x16AC DUP2 PUSH2 0x1F8C JUMP JUMPDEST DUP4 MSTORE PUSH1 0x20 DUP2 DUP2 ADD CALLDATALOAD SWAP1 DUP5 ADD MSTORE PUSH1 0x40 DUP2 ADD CALLDATALOAD DUP3 DUP2 GT ISZERO PUSH2 0x16C9 JUMPI DUP5 DUP6 REVERT JUMPDEST PUSH2 0x16D5 DUP8 DUP3 DUP5 ADD PUSH2 0x134A JUMP JUMPDEST PUSH1 0x40 DUP6 ADD MSTORE POP PUSH1 0x60 SWAP1 DUP2 ADD CALLDATALOAD SWAP1 DUP4 ADD MSTORE POP SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH1 0x0 PUSH1 0x20 DUP3 DUP5 SUB SLT ISZERO PUSH2 0x16FF JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 MLOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x1716 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x1653 DUP5 DUP3 DUP6 ADD PUSH2 0x13E6 JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x40 DUP4 DUP6 SUB SLT ISZERO PUSH2 0x1735 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP3 MLOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP1 DUP3 GT ISZERO PUSH2 0x174D JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x1759 DUP7 DUP4 DUP8 ADD PUSH2 0x13E6 JUMP JUMPDEST SWAP4 POP PUSH1 0x20 DUP6 ADD MLOAD SWAP2 POP DUP1 DUP3 GT ISZERO PUSH2 0x176F JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x1614 DUP6 DUP3 DUP7 ADD PUSH2 0x13E6 JUMP JUMPDEST PUSH1 0x0 PUSH1 0x20 DUP3 DUP5 SUB SLT ISZERO PUSH2 0x178E JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x17A5 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x1653 DUP5 DUP3 DUP6 ADD PUSH2 0x14E5 JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x0 DUP1 PUSH1 0x0 PUSH1 0xA0 DUP7 DUP9 SUB SLT ISZERO PUSH2 0x17C8 JUMPI DUP1 DUP2 REVERT JUMPDEST DUP6 CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP1 DUP3 GT ISZERO PUSH2 0x17DF JUMPI DUP3 DUP4 REVERT JUMPDEST PUSH2 0x17EB DUP10 DUP4 DUP11 ADD PUSH2 0x14E5 JUMP JUMPDEST SWAP7 POP PUSH1 0x20 SWAP2 POP DUP2 DUP9 ADD CALLDATALOAD PUSH2 0x17FE DUP2 PUSH2 0x1F8C JUMP JUMPDEST SWAP6 POP PUSH1 0x40 DUP9 ADD CALLDATALOAD DUP2 DUP2 GT ISZERO PUSH2 0x1811 JUMPI DUP4 DUP5 REVERT JUMPDEST PUSH2 0x181D DUP11 DUP3 DUP12 ADD PUSH2 0x134A JUMP JUMPDEST SWAP6 POP POP PUSH1 0x60 DUP9 ADD CALLDATALOAD DUP2 DUP2 GT ISZERO PUSH2 0x1831 JUMPI DUP4 DUP5 REVERT JUMPDEST DUP1 DUP10 ADD DUP11 PUSH1 0x1F DUP3 ADD SLT PUSH2 0x1842 JUMPI DUP5 DUP6 REVERT JUMPDEST DUP1 CALLDATALOAD SWAP2 POP PUSH2 0x1852 PUSH2 0x12FE DUP4 PUSH2 0x1EF8 JUMP JUMPDEST DUP3 DUP2 MSTORE DUP5 DUP2 ADD SWAP1 DUP3 DUP7 ADD DUP7 DUP6 MUL DUP5 ADD DUP8 ADD DUP15 LT ISZERO PUSH2 0x186E JUMPI DUP8 DUP9 REVERT JUMPDEST DUP8 SWAP4 POP JUMPDEST DUP5 DUP5 LT ISZERO PUSH2 0x1890 JUMPI DUP1 CALLDATALOAD DUP4 MSTORE PUSH1 0x1 SWAP4 SWAP1 SWAP4 ADD SWAP3 SWAP2 DUP7 ADD SWAP2 DUP7 ADD PUSH2 0x1872 JUMP JUMPDEST POP SWAP7 POP POP POP POP PUSH1 0x80 DUP9 ADD CALLDATALOAD SWAP2 POP DUP1 DUP3 GT ISZERO PUSH2 0x18A9 JUMPI DUP3 DUP4 REVERT JUMPDEST POP PUSH2 0x18B6 DUP9 DUP3 DUP10 ADD PUSH2 0x12E0 JUMP JUMPDEST SWAP2 POP POP SWAP3 SWAP6 POP SWAP3 SWAP6 SWAP1 SWAP4 POP JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND SWAP1 MSTORE JUMP JUMPDEST PUSH1 0x0 DUP2 MLOAD DUP1 DUP5 MSTORE PUSH2 0x18F5 DUP2 PUSH1 0x20 DUP7 ADD PUSH1 0x20 DUP7 ADD PUSH2 0x1F5C JUMP JUMPDEST PUSH1 0x1F ADD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 AND SWAP3 SWAP1 SWAP3 ADD PUSH1 0x20 ADD SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH32 0x19457468657265756D205369676E6564204D6573736167653A0A333200000000 DUP2 MSTORE PUSH1 0x1C DUP2 ADD SWAP2 SWAP1 SWAP2 MSTORE PUSH1 0x3C ADD SWAP1 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP2 SWAP1 SWAP2 AND DUP2 MSTORE PUSH1 0x20 ADD SWAP1 JUMP JUMPDEST PUSH1 0x0 PUSH1 0x20 DUP1 DUP4 ADD DUP2 DUP5 MSTORE DUP1 DUP6 MLOAD DUP1 DUP4 MSTORE PUSH1 0x40 DUP7 ADD SWAP2 POP PUSH1 0x40 DUP5 DUP3 MUL DUP8 ADD ADD SWAP3 POP DUP4 DUP8 ADD PUSH1 0x0 JUMPDEST DUP3 DUP2 LT ISZERO PUSH2 0x1AA0 JUMPI PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFC0 DUP9 DUP7 SUB ADD DUP5 MSTORE DUP2 MLOAD PUSH2 0x180 PUSH2 0x19DE DUP8 DUP4 MLOAD PUSH2 0x18C3 JUMP JUMPDEST DUP8 DUP3 ADD MLOAD PUSH2 0x19EE DUP10 DUP10 ADD DUP3 PUSH2 0x18C3 JUMP JUMPDEST POP PUSH1 0x40 DUP3 ADD MLOAD PUSH2 0x1A01 PUSH1 0x40 DUP10 ADD DUP3 PUSH2 0x18C3 JUMP JUMPDEST POP PUSH1 0x60 DUP3 ADD MLOAD PUSH2 0x1A14 PUSH1 0x60 DUP10 ADD DUP3 PUSH2 0x18C3 JUMP JUMPDEST POP PUSH1 0x80 DUP3 ADD MLOAD PUSH1 0x80 DUP9 ADD MSTORE PUSH1 0xA0 DUP3 ADD MLOAD PUSH1 0xA0 DUP9 ADD MSTORE PUSH1 0xC0 DUP3 ADD MLOAD PUSH1 0xC0 DUP9 ADD MSTORE PUSH1 0xE0 DUP3 ADD MLOAD PUSH1 0xE0 DUP9 ADD MSTORE PUSH2 0x100 DUP1 DUP4 ADD MLOAD DUP2 DUP10 ADD MSTORE POP PUSH2 0x120 DUP1 DUP4 ADD MLOAD DUP2 DUP10 ADD MSTORE POP PUSH2 0x140 DUP1 DUP4 ADD MLOAD DUP3 DUP3 DUP11 ADD MSTORE PUSH2 0x1A6D DUP4 DUP11 ADD DUP3 PUSH2 0x18DD JUMP JUMPDEST SWAP2 POP POP PUSH2 0x160 SWAP2 POP DUP2 DUP4 ADD MLOAD DUP9 DUP3 SUB DUP4 DUP11 ADD MSTORE PUSH2 0x1A8A DUP3 DUP3 PUSH2 0x18DD JUMP JUMPDEST SWAP9 POP POP POP SWAP5 DUP8 ADD SWAP5 POP POP SWAP1 DUP6 ADD SWAP1 PUSH1 0x1 ADD PUSH2 0x199F JUMP JUMPDEST POP SWAP3 SWAP8 SWAP7 POP POP POP POP POP POP POP JUMP JUMPDEST SWAP1 DUP2 MSTORE PUSH1 0x20 ADD SWAP1 JUMP JUMPDEST SWAP4 DUP5 MSTORE PUSH1 0xFF SWAP3 SWAP1 SWAP3 AND PUSH1 0x20 DUP5 ADD MSTORE PUSH1 0x40 DUP4 ADD MSTORE PUSH1 0x60 DUP3 ADD MSTORE PUSH1 0x80 ADD SWAP1 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE PUSH1 0x12 SWAP1 DUP3 ADD MSTORE PUSH32 0x4C454E4754485F36355F52455155495245440000000000000000000000000000 PUSH1 0x40 DUP3 ADD MSTORE PUSH1 0x60 ADD SWAP1 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE PUSH1 0x1A SWAP1 DUP3 ADD MSTORE PUSH32 0x494E56414C49445F415050524F56414C5F5349474E4154555245000000000000 PUSH1 0x40 DUP3 ADD MSTORE PUSH1 0x60 ADD SWAP1 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE PUSH1 0x1A SWAP1 DUP3 ADD MSTORE PUSH32 0x46524F4D5F4C4553535F5448414E5F544F5F5245515549524544000000000000 PUSH1 0x40 DUP3 ADD MSTORE PUSH1 0x60 ADD SWAP1 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE PUSH1 0x1C SWAP1 DUP3 ADD MSTORE PUSH32 0x544F5F4C4553535F5448414E5F4C454E4754485F524551554952454400000000 PUSH1 0x40 DUP3 ADD MSTORE PUSH1 0x60 ADD SWAP1 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE PUSH1 0x17 SWAP1 DUP3 ADD MSTORE PUSH32 0x494E56414C49445F465245455F4D454D4F52595F505452000000000000000000 PUSH1 0x40 DUP3 ADD MSTORE PUSH1 0x60 ADD SWAP1 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE PUSH1 0x10 SWAP1 DUP3 ADD MSTORE PUSH32 0x415050524F56414C5F4558504952454400000000000000000000000000000000 PUSH1 0x40 DUP3 ADD MSTORE PUSH1 0x60 ADD SWAP1 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE PUSH1 0x26 SWAP1 DUP3 ADD MSTORE PUSH32 0x475245415445525F4F525F455155414C5F544F5F33325F4C454E4754485F5245 PUSH1 0x40 DUP3 ADD MSTORE PUSH32 0x5155495245440000000000000000000000000000000000000000000000000000 PUSH1 0x60 DUP3 ADD MSTORE PUSH1 0x80 ADD SWAP1 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE PUSH1 0x15 SWAP1 DUP3 ADD MSTORE PUSH32 0x5349474E41545552455F554E535550504F525445440000000000000000000000 PUSH1 0x40 DUP3 ADD MSTORE PUSH1 0x60 ADD SWAP1 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE PUSH1 0xE SWAP1 DUP3 ADD MSTORE PUSH32 0x494E56414C49445F4F524947494E000000000000000000000000000000000000 PUSH1 0x40 DUP3 ADD MSTORE PUSH1 0x60 ADD SWAP1 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE PUSH1 0x21 SWAP1 DUP3 ADD MSTORE PUSH32 0x475245415445525F5448414E5F5A45524F5F4C454E4754485F52455155495245 PUSH1 0x40 DUP3 ADD MSTORE PUSH32 0x4400000000000000000000000000000000000000000000000000000000000000 PUSH1 0x60 DUP3 ADD MSTORE PUSH1 0x80 ADD SWAP1 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE PUSH1 0x11 SWAP1 DUP3 ADD MSTORE PUSH32 0x5349474E41545552455F494C4C4547414C000000000000000000000000000000 PUSH1 0x40 DUP3 ADD MSTORE PUSH1 0x60 ADD SWAP1 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE PUSH1 0x1E SWAP1 DUP3 ADD MSTORE PUSH32 0x4C454E4754485F475245415445525F5448414E5F305F52455155495245440000 PUSH1 0x40 DUP3 ADD MSTORE PUSH1 0x60 ADD SWAP1 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE PUSH1 0x11 SWAP1 DUP3 ADD MSTORE PUSH32 0x5349474E41545552455F494E56414C4944000000000000000000000000000000 PUSH1 0x40 DUP3 ADD MSTORE PUSH1 0x60 ADD SWAP1 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE PUSH1 0x25 SWAP1 DUP3 ADD MSTORE PUSH32 0x475245415445525F4F525F455155414C5F544F5F345F4C454E4754485F524551 PUSH1 0x40 DUP3 ADD MSTORE PUSH32 0x5549524544000000000000000000000000000000000000000000000000000000 PUSH1 0x60 DUP3 ADD MSTORE PUSH1 0x80 ADD SWAP1 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE PUSH1 0x11 SWAP1 DUP3 ADD MSTORE PUSH32 0x4C454E4754485F305F5245515549524544000000000000000000000000000000 PUSH1 0x40 DUP3 ADD MSTORE PUSH1 0x60 ADD SWAP1 JUMP JUMPDEST PUSH1 0x0 DUP6 DUP3 MSTORE PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP6 AND PUSH1 0x20 DUP4 ADD MSTORE PUSH1 0x80 PUSH1 0x40 DUP4 ADD MSTORE PUSH2 0x1EB4 PUSH1 0x80 DUP4 ADD DUP6 PUSH2 0x18DD JUMP JUMPDEST DUP3 DUP2 SUB PUSH1 0x60 DUP5 ADD MSTORE PUSH2 0x1EC6 DUP2 DUP6 PUSH2 0x18DD JUMP JUMPDEST SWAP8 SWAP7 POP POP POP POP POP POP POP JUMP JUMPDEST PUSH1 0x40 MLOAD DUP2 DUP2 ADD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT DUP3 DUP3 LT OR ISZERO PUSH2 0x1EF0 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x40 MSTORE SWAP2 SWAP1 POP JUMP JUMPDEST PUSH1 0x0 PUSH8 0xFFFFFFFFFFFFFFFF DUP3 GT ISZERO PUSH2 0x1F0F JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH1 0x20 SWAP1 DUP2 MUL ADD SWAP1 JUMP JUMPDEST PUSH1 0x0 PUSH8 0xFFFFFFFFFFFFFFFF DUP3 GT ISZERO PUSH2 0x1F30 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH1 0x1F ADD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 AND PUSH1 0x20 ADD SWAP1 JUMP JUMPDEST PUSH1 0x0 JUMPDEST DUP4 DUP2 LT ISZERO PUSH2 0x1F77 JUMPI DUP2 DUP2 ADD MLOAD DUP4 DUP3 ADD MSTORE PUSH1 0x20 ADD PUSH2 0x1F5F JUMP JUMPDEST DUP4 DUP2 GT ISZERO PUSH2 0x1F86 JUMPI PUSH1 0x0 DUP5 DUP5 ADD MSTORE JUMPDEST POP POP POP POP JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 AND DUP2 EQ PUSH2 0x1FAE JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP JUMP INVALID LOG2 PUSH6 0x627A7A723058 KECCAK256 0xbc 0xdb 0x4a 0xab RETURNDATACOPY BYTE DIV 0xea 0x5c 0xd6 0xc1 CODESIZE SWAP2 GT AND 0xce 0xac EXTCODEHASH 0xac DUP9 0xde NOT SWAP6 0xc4 0xd3 CALLCODE 0x4f 0xdd EXTCODEHASH TIMESTAMP 0xf 0xb6 PUSH13 0x6578706572696D656E74616CF5 STOP CALLDATACOPY ",
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-			}
-		}
-	},
-	"sourceTreeHashHex": "0xcd3a1dbf858b46a5820dab320baad978613f07ec73d35b6cbbde13c2937bbc04",
-	"networks": {}
+    "schemaVersion": "2.0.0",
+    "contractName": "Coordinator",
+    "compilerOutput": {
+        "abi": [
+            {
+                "constant": true,
+                "inputs": [{ "name": "hash", "type": "bytes32" }, { "name": "signature", "type": "bytes" }],
+                "name": "getSignerAddress",
+                "outputs": [{ "name": "signerAddress", "type": "address" }],
+                "payable": false,
+                "stateMutability": "pure",
+                "type": "function"
+            },
+            {
+                "constant": true,
+                "inputs": [
+                    {
+                        "components": [
+                            { "name": "salt", "type": "uint256" },
+                            { "name": "signerAddress", "type": "address" },
+                            { "name": "data", "type": "bytes" }
+                        ],
+                        "name": "transaction",
+                        "type": "tuple"
+                    }
+                ],
+                "name": "getTransactionHash",
+                "outputs": [{ "name": "transactionHash", "type": "bytes32" }],
+                "payable": false,
+                "stateMutability": "view",
+                "type": "function"
+            },
+            {
+                "constant": true,
+                "inputs": [
+                    {
+                        "components": [
+                            { "name": "txOrigin", "type": "address" },
+                            { "name": "transactionHash", "type": "bytes32" },
+                            { "name": "transactionSignature", "type": "bytes" },
+                            { "name": "approvalExpirationTimeSeconds", "type": "uint256" }
+                        ],
+                        "name": "approval",
+                        "type": "tuple"
+                    }
+                ],
+                "name": "getCoordinatorApprovalHash",
+                "outputs": [{ "name": "approvalHash", "type": "bytes32" }],
+                "payable": false,
+                "stateMutability": "view",
+                "type": "function"
+            },
+            {
+                "constant": false,
+                "inputs": [
+                    {
+                        "components": [
+                            { "name": "salt", "type": "uint256" },
+                            { "name": "signerAddress", "type": "address" },
+                            { "name": "data", "type": "bytes" }
+                        ],
+                        "name": "transaction",
+                        "type": "tuple"
+                    },
+                    { "name": "txOrigin", "type": "address" },
+                    { "name": "transactionSignature", "type": "bytes" },
+                    { "name": "approvalExpirationTimeSeconds", "type": "uint256[]" },
+                    { "name": "approvalSignatures", "type": "bytes[]" }
+                ],
+                "name": "executeTransaction",
+                "outputs": [],
+                "payable": false,
+                "stateMutability": "nonpayable",
+                "type": "function"
+            },
+            {
+                "constant": true,
+                "inputs": [],
+                "name": "EIP712_EXCHANGE_DOMAIN_HASH",
+                "outputs": [{ "name": "", "type": "bytes32" }],
+                "payable": false,
+                "stateMutability": "view",
+                "type": "function"
+            },
+            {
+                "constant": true,
+                "inputs": [
+                    {
+                        "components": [
+                            { "name": "salt", "type": "uint256" },
+                            { "name": "signerAddress", "type": "address" },
+                            { "name": "data", "type": "bytes" }
+                        ],
+                        "name": "transaction",
+                        "type": "tuple"
+                    },
+                    { "name": "txOrigin", "type": "address" },
+                    { "name": "transactionSignature", "type": "bytes" },
+                    { "name": "approvalExpirationTimeSeconds", "type": "uint256[]" },
+                    { "name": "approvalSignatures", "type": "bytes[]" }
+                ],
+                "name": "assertValidCoordinatorApprovals",
+                "outputs": [],
+                "payable": false,
+                "stateMutability": "view",
+                "type": "function"
+            },
+            {
+                "constant": true,
+                "inputs": [{ "name": "data", "type": "bytes" }],
+                "name": "decodeOrdersFromFillData",
+                "outputs": [
+                    {
+                        "components": [
+                            { "name": "makerAddress", "type": "address" },
+                            { "name": "takerAddress", "type": "address" },
+                            { "name": "feeRecipientAddress", "type": "address" },
+                            { "name": "senderAddress", "type": "address" },
+                            { "name": "makerAssetAmount", "type": "uint256" },
+                            { "name": "takerAssetAmount", "type": "uint256" },
+                            { "name": "makerFee", "type": "uint256" },
+                            { "name": "takerFee", "type": "uint256" },
+                            { "name": "expirationTimeSeconds", "type": "uint256" },
+                            { "name": "salt", "type": "uint256" },
+                            { "name": "makerAssetData", "type": "bytes" },
+                            { "name": "takerAssetData", "type": "bytes" }
+                        ],
+                        "name": "orders",
+                        "type": "tuple[]"
+                    }
+                ],
+                "payable": false,
+                "stateMutability": "pure",
+                "type": "function"
+            },
+            {
+                "constant": true,
+                "inputs": [],
+                "name": "EIP712_COORDINATOR_DOMAIN_HASH",
+                "outputs": [{ "name": "", "type": "bytes32" }],
+                "payable": false,
+                "stateMutability": "view",
+                "type": "function"
+            },
+            {
+                "inputs": [{ "name": "_exchange", "type": "address" }],
+                "payable": false,
+                "stateMutability": "nonpayable",
+                "type": "constructor"
+            }
+        ],
+        "evm": {
+            "bytecode": {
+                "object": 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+            }
+        }
+    },
+    "networks": {}
 }
diff --git a/packages/contract-artifacts/artifacts/CoordinatorRegistry.json b/packages/contract-artifacts/artifacts/CoordinatorRegistry.json
index 90bf9ea609..77fac839a7 100644
--- a/packages/contract-artifacts/artifacts/CoordinatorRegistry.json
+++ b/packages/contract-artifacts/artifacts/CoordinatorRegistry.json
@@ -1,71 +1,42 @@
 {
-	"schemaVersion": "2.0.0",
-	"contractName": "CoordinatorRegistry",
-	"compilerOutput": {
-		"abi": [
-			{
-				"constant": false,
-				"inputs": [
-					{
-						"name": "coordinatorEndpoint",
-						"type": "string"
-					}
-				],
-				"name": "setCoordinatorEndpoint",
-				"outputs": [],
-				"payable": false,
-				"stateMutability": "nonpayable",
-				"type": "function"
-			},
-			{
-				"constant": true,
-				"inputs": [
-					{
-						"name": "coordinatorOperator",
-						"type": "address"
-					}
-				],
-				"name": "getCoordinatorEndpoint",
-				"outputs": [
-					{
-						"name": "coordinatorEndpoint",
-						"type": "string"
-					}
-				],
-				"payable": false,
-				"stateMutability": "view",
-				"type": "function"
-			},
-			{
-				"inputs": [],
-				"payable": false,
-				"stateMutability": "nonpayable",
-				"type": "constructor"
-			},
-			{
-				"anonymous": false,
-				"inputs": [
-					{
-						"indexed": false,
-						"name": "coordinatorOperator",
-						"type": "address"
-					},
-					{
-						"indexed": false,
-						"name": "coordinatorEndpoint",
-						"type": "string"
-					}
-				],
-				"name": "CoordinatorEndpointSet",
-				"type": "event"
-			}
-		],
-		"evm": {
-			"bytecode": {
-				"linkReferences": {},
-				"object": "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"
-			}
-		}
-	},
-	"networks": {}
+    "schemaVersion": "2.0.0",
+    "contractName": "CoordinatorRegistry",
+    "compilerOutput": {
+        "abi": [
+            {
+                "constant": false,
+                "inputs": [{ "name": "coordinatorEndpoint", "type": "string" }],
+                "name": "setCoordinatorEndpoint",
+                "outputs": [],
+                "payable": false,
+                "stateMutability": "nonpayable",
+                "type": "function"
+            },
+            {
+                "constant": true,
+                "inputs": [{ "name": "coordinatorOperator", "type": "address" }],
+                "name": "getCoordinatorEndpoint",
+                "outputs": [{ "name": "coordinatorEndpoint", "type": "string" }],
+                "payable": false,
+                "stateMutability": "view",
+                "type": "function"
+            },
+            { "inputs": [], "payable": false, "stateMutability": "nonpayable", "type": "constructor" },
+            {
+                "anonymous": false,
+                "inputs": [
+                    { "indexed": false, "name": "coordinatorOperator", "type": "address" },
+                    { "indexed": false, "name": "coordinatorEndpoint", "type": "string" }
+                ],
+                "name": "CoordinatorEndpointSet",
+                "type": "event"
+            }
+        ],
+        "evm": {
+            "bytecode": {
+                "object": "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"
+            }
+        }
+    },
+    "networks": {}
 }
diff --git a/packages/contract-artifacts/artifacts/DummyERC20Token.json b/packages/contract-artifacts/artifacts/DummyERC20Token.json
index 7b8e7c3a8c..4c37318cf0 100644
--- a/packages/contract-artifacts/artifacts/DummyERC20Token.json
+++ b/packages/contract-artifacts/artifacts/DummyERC20Token.json
@@ -7,35 +7,16 @@
                 "constant": true,
                 "inputs": [],
                 "name": "name",
-                "outputs": [
-                    {
-                        "name": "",
-                        "type": "string"
-                    }
-                ],
+                "outputs": [{ "name": "", "type": "string" }],
                 "payable": false,
                 "stateMutability": "view",
                 "type": "function"
             },
             {
                 "constant": false,
-                "inputs": [
-                    {
-                        "name": "_spender",
-                        "type": "address"
-                    },
-                    {
-                        "name": "_value",
-                        "type": "uint256"
-                    }
-                ],
+                "inputs": [{ "name": "_spender", "type": "address" }, { "name": "_value", "type": "uint256" }],
                 "name": "approve",
-                "outputs": [
-                    {
-                        "name": "",
-                        "type": "bool"
-                    }
-                ],
+                "outputs": [{ "name": "", "type": "bool" }],
                 "payable": false,
                 "stateMutability": "nonpayable",
                 "type": "function"
@@ -44,12 +25,7 @@
                 "constant": true,
                 "inputs": [],
                 "name": "totalSupply",
-                "outputs": [
-                    {
-                        "name": "",
-                        "type": "uint256"
-                    }
-                ],
+                "outputs": [{ "name": "", "type": "uint256" }],
                 "payable": false,
                 "stateMutability": "view",
                 "type": "function"
@@ -57,26 +33,12 @@
             {
                 "constant": false,
                 "inputs": [
-                    {
-                        "name": "_from",
-                        "type": "address"
-                    },
-                    {
-                        "name": "_to",
-                        "type": "address"
-                    },
-                    {
-                        "name": "_value",
-                        "type": "uint256"
-                    }
+                    { "name": "_from", "type": "address" },
+                    { "name": "_to", "type": "address" },
+                    { "name": "_value", "type": "uint256" }
                 ],
                 "name": "transferFrom",
-                "outputs": [
-                    {
-                        "name": "",
-                        "type": "bool"
-                    }
-                ],
+                "outputs": [{ "name": "", "type": "bool" }],
                 "payable": false,
                 "stateMutability": "nonpayable",
                 "type": "function"
@@ -85,31 +47,16 @@
                 "constant": true,
                 "inputs": [],
                 "name": "decimals",
-                "outputs": [
-                    {
-                        "name": "",
-                        "type": "uint256"
-                    }
-                ],
+                "outputs": [{ "name": "", "type": "uint256" }],
                 "payable": false,
                 "stateMutability": "view",
                 "type": "function"
             },
             {
                 "constant": true,
-                "inputs": [
-                    {
-                        "name": "_owner",
-                        "type": "address"
-                    }
-                ],
+                "inputs": [{ "name": "_owner", "type": "address" }],
                 "name": "balanceOf",
-                "outputs": [
-                    {
-                        "name": "",
-                        "type": "uint256"
-                    }
-                ],
+                "outputs": [{ "name": "", "type": "uint256" }],
                 "payable": false,
                 "stateMutability": "view",
                 "type": "function"
@@ -118,12 +65,7 @@
                 "constant": true,
                 "inputs": [],
                 "name": "owner",
-                "outputs": [
-                    {
-                        "name": "",
-                        "type": "address"
-                    }
-                ],
+                "outputs": [{ "name": "", "type": "address" }],
                 "payable": false,
                 "stateMutability": "view",
                 "type": "function"
@@ -132,24 +74,14 @@
                 "constant": true,
                 "inputs": [],
                 "name": "symbol",
-                "outputs": [
-                    {
-                        "name": "",
-                        "type": "string"
-                    }
-                ],
+                "outputs": [{ "name": "", "type": "string" }],
                 "payable": false,
                 "stateMutability": "view",
                 "type": "function"
             },
             {
                 "constant": false,
-                "inputs": [
-                    {
-                        "name": "_value",
-                        "type": "uint256"
-                    }
-                ],
+                "inputs": [{ "name": "_value", "type": "uint256" }],
                 "name": "mint",
                 "outputs": [],
                 "payable": false,
@@ -158,62 +90,25 @@
             },
             {
                 "constant": false,
-                "inputs": [
-                    {
-                        "name": "_to",
-                        "type": "address"
-                    },
-                    {
-                        "name": "_value",
-                        "type": "uint256"
-                    }
-                ],
+                "inputs": [{ "name": "_to", "type": "address" }, { "name": "_value", "type": "uint256" }],
                 "name": "transfer",
-                "outputs": [
-                    {
-                        "name": "",
-                        "type": "bool"
-                    }
-                ],
+                "outputs": [{ "name": "", "type": "bool" }],
                 "payable": false,
                 "stateMutability": "nonpayable",
                 "type": "function"
             },
             {
                 "constant": true,
-                "inputs": [
-                    {
-                        "name": "_owner",
-                        "type": "address"
-                    },
-                    {
-                        "name": "_spender",
-                        "type": "address"
-                    }
-                ],
+                "inputs": [{ "name": "_owner", "type": "address" }, { "name": "_spender", "type": "address" }],
                 "name": "allowance",
-                "outputs": [
-                    {
-                        "name": "",
-                        "type": "uint256"
-                    }
-                ],
+                "outputs": [{ "name": "", "type": "uint256" }],
                 "payable": false,
                 "stateMutability": "view",
                 "type": "function"
             },
             {
                 "constant": false,
-                "inputs": [
-                    {
-                        "name": "_target",
-                        "type": "address"
-                    },
-                    {
-                        "name": "_value",
-                        "type": "uint256"
-                    }
-                ],
+                "inputs": [{ "name": "_target", "type": "address" }, { "name": "_value", "type": "uint256" }],
                 "name": "setBalance",
                 "outputs": [],
                 "payable": false,
@@ -222,12 +117,7 @@
             },
             {
                 "constant": false,
-                "inputs": [
-                    {
-                        "name": "newOwner",
-                        "type": "address"
-                    }
-                ],
+                "inputs": [{ "name": "newOwner", "type": "address" }],
                 "name": "transferOwnership",
                 "outputs": [],
                 "payable": false,
@@ -238,34 +128,17 @@
                 "constant": true,
                 "inputs": [],
                 "name": "MAX_MINT_AMOUNT",
-                "outputs": [
-                    {
-                        "name": "",
-                        "type": "uint256"
-                    }
-                ],
+                "outputs": [{ "name": "", "type": "uint256" }],
                 "payable": false,
                 "stateMutability": "view",
                 "type": "function"
             },
             {
                 "inputs": [
-                    {
-                        "name": "_name",
-                        "type": "string"
-                    },
-                    {
-                        "name": "_symbol",
-                        "type": "string"
-                    },
-                    {
-                        "name": "_decimals",
-                        "type": "uint256"
-                    },
-                    {
-                        "name": "_totalSupply",
-                        "type": "uint256"
-                    }
+                    { "name": "_name", "type": "string" },
+                    { "name": "_symbol", "type": "string" },
+                    { "name": "_decimals", "type": "uint256" },
+                    { "name": "_totalSupply", "type": "uint256" }
                 ],
                 "payable": false,
                 "stateMutability": "nonpayable",
@@ -274,21 +147,9 @@
             {
                 "anonymous": false,
                 "inputs": [
-                    {
-                        "indexed": true,
-                        "name": "_from",
-                        "type": "address"
-                    },
-                    {
-                        "indexed": true,
-                        "name": "_to",
-                        "type": "address"
-                    },
-                    {
-                        "indexed": false,
-                        "name": "_value",
-                        "type": "uint256"
-                    }
+                    { "indexed": true, "name": "_from", "type": "address" },
+                    { "indexed": true, "name": "_to", "type": "address" },
+                    { "indexed": false, "name": "_value", "type": "uint256" }
                 ],
                 "name": "Transfer",
                 "type": "event"
@@ -296,21 +157,9 @@
             {
                 "anonymous": false,
                 "inputs": [
-                    {
-                        "indexed": true,
-                        "name": "_owner",
-                        "type": "address"
-                    },
-                    {
-                        "indexed": true,
-                        "name": "_spender",
-                        "type": "address"
-                    },
-                    {
-                        "indexed": false,
-                        "name": "_value",
-                        "type": "uint256"
-                    }
+                    { "indexed": true, "name": "_owner", "type": "address" },
+                    { "indexed": true, "name": "_spender", "type": "address" },
+                    { "indexed": false, "name": "_value", "type": "uint256" }
                 ],
                 "name": "Approval",
                 "type": "event"
@@ -318,9 +167,7 @@
         ],
         "evm": {
             "bytecode": {
-                "linkReferences": {},
-                "object":
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+                "object": 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             }
         }
     },
diff --git a/packages/contract-artifacts/artifacts/DummyERC721Token.json b/packages/contract-artifacts/artifacts/DummyERC721Token.json
index 7472a5a03a..7003a27b44 100644
--- a/packages/contract-artifacts/artifacts/DummyERC721Token.json
+++ b/packages/contract-artifacts/artifacts/DummyERC721Token.json
@@ -7,47 +7,23 @@
                 "constant": true,
                 "inputs": [],
                 "name": "name",
-                "outputs": [
-                    {
-                        "name": "",
-                        "type": "string"
-                    }
-                ],
+                "outputs": [{ "name": "", "type": "string" }],
                 "payable": false,
                 "stateMutability": "view",
                 "type": "function"
             },
             {
                 "constant": true,
-                "inputs": [
-                    {
-                        "name": "_tokenId",
-                        "type": "uint256"
-                    }
-                ],
+                "inputs": [{ "name": "_tokenId", "type": "uint256" }],
                 "name": "getApproved",
-                "outputs": [
-                    {
-                        "name": "",
-                        "type": "address"
-                    }
-                ],
+                "outputs": [{ "name": "", "type": "address" }],
                 "payable": false,
                 "stateMutability": "view",
                 "type": "function"
             },
             {
                 "constant": false,
-                "inputs": [
-                    {
-                        "name": "_approved",
-                        "type": "address"
-                    },
-                    {
-                        "name": "_tokenId",
-                        "type": "uint256"
-                    }
-                ],
+                "inputs": [{ "name": "_approved", "type": "address" }, { "name": "_tokenId", "type": "uint256" }],
                 "name": "approve",
                 "outputs": [],
                 "payable": false,
@@ -57,18 +33,9 @@
             {
                 "constant": false,
                 "inputs": [
-                    {
-                        "name": "_from",
-                        "type": "address"
-                    },
-                    {
-                        "name": "_to",
-                        "type": "address"
-                    },
-                    {
-                        "name": "_tokenId",
-                        "type": "uint256"
-                    }
+                    { "name": "_from", "type": "address" },
+                    { "name": "_to", "type": "address" },
+                    { "name": "_tokenId", "type": "uint256" }
                 ],
                 "name": "transferFrom",
                 "outputs": [],
@@ -78,16 +45,7 @@
             },
             {
                 "constant": false,
-                "inputs": [
-                    {
-                        "name": "_to",
-                        "type": "address"
-                    },
-                    {
-                        "name": "_tokenId",
-                        "type": "uint256"
-                    }
-                ],
+                "inputs": [{ "name": "_to", "type": "address" }, { "name": "_tokenId", "type": "uint256" }],
                 "name": "mint",
                 "outputs": [],
                 "payable": false,
@@ -97,18 +55,9 @@
             {
                 "constant": false,
                 "inputs": [
-                    {
-                        "name": "_from",
-                        "type": "address"
-                    },
-                    {
-                        "name": "_to",
-                        "type": "address"
-                    },
-                    {
-                        "name": "_tokenId",
-                        "type": "uint256"
-                    }
+                    { "name": "_from", "type": "address" },
+                    { "name": "_to", "type": "address" },
+                    { "name": "_tokenId", "type": "uint256" }
                 ],
                 "name": "safeTransferFrom",
                 "outputs": [],
@@ -118,38 +67,18 @@
             },
             {
                 "constant": true,
-                "inputs": [
-                    {
-                        "name": "_tokenId",
-                        "type": "uint256"
-                    }
-                ],
+                "inputs": [{ "name": "_tokenId", "type": "uint256" }],
                 "name": "ownerOf",
-                "outputs": [
-                    {
-                        "name": "",
-                        "type": "address"
-                    }
-                ],
+                "outputs": [{ "name": "", "type": "address" }],
                 "payable": false,
                 "stateMutability": "view",
                 "type": "function"
             },
             {
                 "constant": true,
-                "inputs": [
-                    {
-                        "name": "_owner",
-                        "type": "address"
-                    }
-                ],
+                "inputs": [{ "name": "_owner", "type": "address" }],
                 "name": "balanceOf",
-                "outputs": [
-                    {
-                        "name": "",
-                        "type": "uint256"
-                    }
-                ],
+                "outputs": [{ "name": "", "type": "uint256" }],
                 "payable": false,
                 "stateMutability": "view",
                 "type": "function"
@@ -158,12 +87,7 @@
                 "constant": true,
                 "inputs": [],
                 "name": "owner",
-                "outputs": [
-                    {
-                        "name": "",
-                        "type": "address"
-                    }
-                ],
+                "outputs": [{ "name": "", "type": "address" }],
                 "payable": false,
                 "stateMutability": "view",
                 "type": "function"
@@ -172,28 +96,14 @@
                 "constant": true,
                 "inputs": [],
                 "name": "symbol",
-                "outputs": [
-                    {
-                        "name": "",
-                        "type": "string"
-                    }
-                ],
+                "outputs": [{ "name": "", "type": "string" }],
                 "payable": false,
                 "stateMutability": "view",
                 "type": "function"
             },
             {
                 "constant": false,
-                "inputs": [
-                    {
-                        "name": "_owner",
-                        "type": "address"
-                    },
-                    {
-                        "name": "_tokenId",
-                        "type": "uint256"
-                    }
-                ],
+                "inputs": [{ "name": "_owner", "type": "address" }, { "name": "_tokenId", "type": "uint256" }],
                 "name": "burn",
                 "outputs": [],
                 "payable": false,
@@ -202,16 +112,7 @@
             },
             {
                 "constant": false,
-                "inputs": [
-                    {
-                        "name": "_operator",
-                        "type": "address"
-                    },
-                    {
-                        "name": "_approved",
-                        "type": "bool"
-                    }
-                ],
+                "inputs": [{ "name": "_operator", "type": "address" }, { "name": "_approved", "type": "bool" }],
                 "name": "setApprovalForAll",
                 "outputs": [],
                 "payable": false,
@@ -221,22 +122,10 @@
             {
                 "constant": false,
                 "inputs": [
-                    {
-                        "name": "_from",
-                        "type": "address"
-                    },
-                    {
-                        "name": "_to",
-                        "type": "address"
-                    },
-                    {
-                        "name": "_tokenId",
-                        "type": "uint256"
-                    },
-                    {
-                        "name": "_data",
-                        "type": "bytes"
-                    }
+                    { "name": "_from", "type": "address" },
+                    { "name": "_to", "type": "address" },
+                    { "name": "_tokenId", "type": "uint256" },
+                    { "name": "_data", "type": "bytes" }
                 ],
                 "name": "safeTransferFrom",
                 "outputs": [],
@@ -246,35 +135,16 @@
             },
             {
                 "constant": true,
-                "inputs": [
-                    {
-                        "name": "_owner",
-                        "type": "address"
-                    },
-                    {
-                        "name": "_operator",
-                        "type": "address"
-                    }
-                ],
+                "inputs": [{ "name": "_owner", "type": "address" }, { "name": "_operator", "type": "address" }],
                 "name": "isApprovedForAll",
-                "outputs": [
-                    {
-                        "name": "",
-                        "type": "bool"
-                    }
-                ],
+                "outputs": [{ "name": "", "type": "bool" }],
                 "payable": false,
                 "stateMutability": "view",
                 "type": "function"
             },
             {
                 "constant": false,
-                "inputs": [
-                    {
-                        "name": "newOwner",
-                        "type": "address"
-                    }
-                ],
+                "inputs": [{ "name": "newOwner", "type": "address" }],
                 "name": "transferOwnership",
                 "outputs": [],
                 "payable": false,
@@ -282,16 +152,7 @@
                 "type": "function"
             },
             {
-                "inputs": [
-                    {
-                        "name": "_name",
-                        "type": "string"
-                    },
-                    {
-                        "name": "_symbol",
-                        "type": "string"
-                    }
-                ],
+                "inputs": [{ "name": "_name", "type": "string" }, { "name": "_symbol", "type": "string" }],
                 "payable": false,
                 "stateMutability": "nonpayable",
                 "type": "constructor"
@@ -299,21 +160,9 @@
             {
                 "anonymous": false,
                 "inputs": [
-                    {
-                        "indexed": true,
-                        "name": "_from",
-                        "type": "address"
-                    },
-                    {
-                        "indexed": true,
-                        "name": "_to",
-                        "type": "address"
-                    },
-                    {
-                        "indexed": true,
-                        "name": "_tokenId",
-                        "type": "uint256"
-                    }
+                    { "indexed": true, "name": "_from", "type": "address" },
+                    { "indexed": true, "name": "_to", "type": "address" },
+                    { "indexed": true, "name": "_tokenId", "type": "uint256" }
                 ],
                 "name": "Transfer",
                 "type": "event"
@@ -321,21 +170,9 @@
             {
                 "anonymous": false,
                 "inputs": [
-                    {
-                        "indexed": true,
-                        "name": "_owner",
-                        "type": "address"
-                    },
-                    {
-                        "indexed": true,
-                        "name": "_approved",
-                        "type": "address"
-                    },
-                    {
-                        "indexed": true,
-                        "name": "_tokenId",
-                        "type": "uint256"
-                    }
+                    { "indexed": true, "name": "_owner", "type": "address" },
+                    { "indexed": true, "name": "_approved", "type": "address" },
+                    { "indexed": true, "name": "_tokenId", "type": "uint256" }
                 ],
                 "name": "Approval",
                 "type": "event"
@@ -343,21 +180,9 @@
             {
                 "anonymous": false,
                 "inputs": [
-                    {
-                        "indexed": true,
-                        "name": "_owner",
-                        "type": "address"
-                    },
-                    {
-                        "indexed": true,
-                        "name": "_operator",
-                        "type": "address"
-                    },
-                    {
-                        "indexed": false,
-                        "name": "_approved",
-                        "type": "bool"
-                    }
+                    { "indexed": true, "name": "_owner", "type": "address" },
+                    { "indexed": true, "name": "_operator", "type": "address" },
+                    { "indexed": false, "name": "_approved", "type": "bool" }
                 ],
                 "name": "ApprovalForAll",
                 "type": "event"
@@ -365,9 +190,7 @@
         ],
         "evm": {
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     },
diff --git a/packages/contract-artifacts/artifacts/DutchAuction.json b/packages/contract-artifacts/artifacts/DutchAuction.json
index e18aa601ef..7873c03c1b 100644
--- a/packages/contract-artifacts/artifacts/DutchAuction.json
+++ b/packages/contract-artifacts/artifacts/DutchAuction.json
@@ -1,302 +1,137 @@
 {
-	"schemaVersion": "2.0.0",
-	"contractName": "DutchAuction",
-	"compilerOutput": {
-		"abi": [
-			{
-				"constant": false,
-				"inputs": [
-					{
-						"components": [
-							{
-								"name": "makerAddress",
-								"type": "address"
-							},
-							{
-								"name": "takerAddress",
-								"type": "address"
-							},
-							{
-								"name": "feeRecipientAddress",
-								"type": "address"
-							},
-							{
-								"name": "senderAddress",
-								"type": "address"
-							},
-							{
-								"name": "makerAssetAmount",
-								"type": "uint256"
-							},
-							{
-								"name": "takerAssetAmount",
-								"type": "uint256"
-							},
-							{
-								"name": "makerFee",
-								"type": "uint256"
-							},
-							{
-								"name": "takerFee",
-								"type": "uint256"
-							},
-							{
-								"name": "expirationTimeSeconds",
-								"type": "uint256"
-							},
-							{
-								"name": "salt",
-								"type": "uint256"
-							},
-							{
-								"name": "makerAssetData",
-								"type": "bytes"
-							},
-							{
-								"name": "takerAssetData",
-								"type": "bytes"
-							}
-						],
-						"name": "order",
-						"type": "tuple"
-					}
-				],
-				"name": "getAuctionDetails",
-				"outputs": [
-					{
-						"components": [
-							{
-								"name": "beginTimeSeconds",
-								"type": "uint256"
-							},
-							{
-								"name": "endTimeSeconds",
-								"type": "uint256"
-							},
-							{
-								"name": "beginAmount",
-								"type": "uint256"
-							},
-							{
-								"name": "endAmount",
-								"type": "uint256"
-							},
-							{
-								"name": "currentAmount",
-								"type": "uint256"
-							},
-							{
-								"name": "currentTimeSeconds",
-								"type": "uint256"
-							}
-						],
-						"name": "auctionDetails",
-						"type": "tuple"
-					}
-				],
-				"payable": false,
-				"stateMutability": "nonpayable",
-				"type": "function"
-			},
-			{
-				"constant": false,
-				"inputs": [
-					{
-						"components": [
-							{
-								"name": "makerAddress",
-								"type": "address"
-							},
-							{
-								"name": "takerAddress",
-								"type": "address"
-							},
-							{
-								"name": "feeRecipientAddress",
-								"type": "address"
-							},
-							{
-								"name": "senderAddress",
-								"type": "address"
-							},
-							{
-								"name": "makerAssetAmount",
-								"type": "uint256"
-							},
-							{
-								"name": "takerAssetAmount",
-								"type": "uint256"
-							},
-							{
-								"name": "makerFee",
-								"type": "uint256"
-							},
-							{
-								"name": "takerFee",
-								"type": "uint256"
-							},
-							{
-								"name": "expirationTimeSeconds",
-								"type": "uint256"
-							},
-							{
-								"name": "salt",
-								"type": "uint256"
-							},
-							{
-								"name": "makerAssetData",
-								"type": "bytes"
-							},
-							{
-								"name": "takerAssetData",
-								"type": "bytes"
-							}
-						],
-						"name": "buyOrder",
-						"type": "tuple"
-					},
-					{
-						"components": [
-							{
-								"name": "makerAddress",
-								"type": "address"
-							},
-							{
-								"name": "takerAddress",
-								"type": "address"
-							},
-							{
-								"name": "feeRecipientAddress",
-								"type": "address"
-							},
-							{
-								"name": "senderAddress",
-								"type": "address"
-							},
-							{
-								"name": "makerAssetAmount",
-								"type": "uint256"
-							},
-							{
-								"name": "takerAssetAmount",
-								"type": "uint256"
-							},
-							{
-								"name": "makerFee",
-								"type": "uint256"
-							},
-							{
-								"name": "takerFee",
-								"type": "uint256"
-							},
-							{
-								"name": "expirationTimeSeconds",
-								"type": "uint256"
-							},
-							{
-								"name": "salt",
-								"type": "uint256"
-							},
-							{
-								"name": "makerAssetData",
-								"type": "bytes"
-							},
-							{
-								"name": "takerAssetData",
-								"type": "bytes"
-							}
-						],
-						"name": "sellOrder",
-						"type": "tuple"
-					},
-					{
-						"name": "buySignature",
-						"type": "bytes"
-					},
-					{
-						"name": "sellSignature",
-						"type": "bytes"
-					}
-				],
-				"name": "matchOrders",
-				"outputs": [
-					{
-						"components": [
-							{
-								"components": [
-									{
-										"name": "makerAssetFilledAmount",
-										"type": "uint256"
-									},
-									{
-										"name": "takerAssetFilledAmount",
-										"type": "uint256"
-									},
-									{
-										"name": "makerFeePaid",
-										"type": "uint256"
-									},
-									{
-										"name": "takerFeePaid",
-										"type": "uint256"
-									}
-								],
-								"name": "left",
-								"type": "tuple"
-							},
-							{
-								"components": [
-									{
-										"name": "makerAssetFilledAmount",
-										"type": "uint256"
-									},
-									{
-										"name": "takerAssetFilledAmount",
-										"type": "uint256"
-									},
-									{
-										"name": "makerFeePaid",
-										"type": "uint256"
-									},
-									{
-										"name": "takerFeePaid",
-										"type": "uint256"
-									}
-								],
-								"name": "right",
-								"type": "tuple"
-							},
-							{
-								"name": "leftMakerAssetSpreadAmount",
-								"type": "uint256"
-							}
-						],
-						"name": "matchedFillResults",
-						"type": "tuple"
-					}
-				],
-				"payable": false,
-				"stateMutability": "nonpayable",
-				"type": "function"
-			},
-			{
-				"inputs": [
-					{
-						"name": "_exchange",
-						"type": "address"
-					}
-				],
-				"payable": false,
-				"stateMutability": "nonpayable",
-				"type": "constructor"
-			}
-		],
-		"evm": {
-			"bytecode": {
-				"linkReferences": {},
-				"object": 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-		}
-	},
+    "schemaVersion": "2.0.0",
+    "contractName": "DutchAuction",
+    "compilerOutput": {
+        "abi": [
+            {
+                "constant": false,
+                "inputs": [
+                    {
+                        "components": [
+                            { "name": "makerAddress", "type": "address" },
+                            { "name": "takerAddress", "type": "address" },
+                            { "name": "feeRecipientAddress", "type": "address" },
+                            { "name": "senderAddress", "type": "address" },
+                            { "name": "makerAssetAmount", "type": "uint256" },
+                            { "name": "takerAssetAmount", "type": "uint256" },
+                            { "name": "makerFee", "type": "uint256" },
+                            { "name": "takerFee", "type": "uint256" },
+                            { "name": "expirationTimeSeconds", "type": "uint256" },
+                            { "name": "salt", "type": "uint256" },
+                            { "name": "makerAssetData", "type": "bytes" },
+                            { "name": "takerAssetData", "type": "bytes" }
+                        ],
+                        "name": "order",
+                        "type": "tuple"
+                    }
+                ],
+                "name": "getAuctionDetails",
+                "outputs": [
+                    {
+                        "components": [
+                            { "name": "beginTimeSeconds", "type": "uint256" },
+                            { "name": "endTimeSeconds", "type": "uint256" },
+                            { "name": "beginAmount", "type": "uint256" },
+                            { "name": "endAmount", "type": "uint256" },
+                            { "name": "currentAmount", "type": "uint256" },
+                            { "name": "currentTimeSeconds", "type": "uint256" }
+                        ],
+                        "name": "auctionDetails",
+                        "type": "tuple"
+                    }
+                ],
+                "payable": false,
+                "stateMutability": "nonpayable",
+                "type": "function"
+            },
+            {
+                "constant": false,
+                "inputs": [
+                    {
+                        "components": [
+                            { "name": "makerAddress", "type": "address" },
+                            { "name": "takerAddress", "type": "address" },
+                            { "name": "feeRecipientAddress", "type": "address" },
+                            { "name": "senderAddress", "type": "address" },
+                            { "name": "makerAssetAmount", "type": "uint256" },
+                            { "name": "takerAssetAmount", "type": "uint256" },
+                            { "name": "makerFee", "type": "uint256" },
+                            { "name": "takerFee", "type": "uint256" },
+                            { "name": "expirationTimeSeconds", "type": "uint256" },
+                            { "name": "salt", "type": "uint256" },
+                            { "name": "makerAssetData", "type": "bytes" },
+                            { "name": "takerAssetData", "type": "bytes" }
+                        ],
+                        "name": "buyOrder",
+                        "type": "tuple"
+                    },
+                    {
+                        "components": [
+                            { "name": "makerAddress", "type": "address" },
+                            { "name": "takerAddress", "type": "address" },
+                            { "name": "feeRecipientAddress", "type": "address" },
+                            { "name": "senderAddress", "type": "address" },
+                            { "name": "makerAssetAmount", "type": "uint256" },
+                            { "name": "takerAssetAmount", "type": "uint256" },
+                            { "name": "makerFee", "type": "uint256" },
+                            { "name": "takerFee", "type": "uint256" },
+                            { "name": "expirationTimeSeconds", "type": "uint256" },
+                            { "name": "salt", "type": "uint256" },
+                            { "name": "makerAssetData", "type": "bytes" },
+                            { "name": "takerAssetData", "type": "bytes" }
+                        ],
+                        "name": "sellOrder",
+                        "type": "tuple"
+                    },
+                    { "name": "buySignature", "type": "bytes" },
+                    { "name": "sellSignature", "type": "bytes" }
+                ],
+                "name": "matchOrders",
+                "outputs": [
+                    {
+                        "components": [
+                            {
+                                "components": [
+                                    { "name": "makerAssetFilledAmount", "type": "uint256" },
+                                    { "name": "takerAssetFilledAmount", "type": "uint256" },
+                                    { "name": "makerFeePaid", "type": "uint256" },
+                                    { "name": "takerFeePaid", "type": "uint256" }
+                                ],
+                                "name": "left",
+                                "type": "tuple"
+                            },
+                            {
+                                "components": [
+                                    { "name": "makerAssetFilledAmount", "type": "uint256" },
+                                    { "name": "takerAssetFilledAmount", "type": "uint256" },
+                                    { "name": "makerFeePaid", "type": "uint256" },
+                                    { "name": "takerFeePaid", "type": "uint256" }
+                                ],
+                                "name": "right",
+                                "type": "tuple"
+                            },
+                            { "name": "leftMakerAssetSpreadAmount", "type": "uint256" }
+                        ],
+                        "name": "matchedFillResults",
+                        "type": "tuple"
+                    }
+                ],
+                "payable": false,
+                "stateMutability": "nonpayable",
+                "type": "function"
+            },
+            {
+                "inputs": [{ "name": "_exchange", "type": "address" }],
+                "payable": false,
+                "stateMutability": "nonpayable",
+                "type": "constructor"
+            }
+        ],
+        "evm": {
+            "bytecode": {
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+            }
+        }
+    },
     "networks": {}
 }
diff --git a/packages/contract-artifacts/artifacts/ERC20Proxy.json b/packages/contract-artifacts/artifacts/ERC20Proxy.json
index 33af866e70..466133c7c3 100644
--- a/packages/contract-artifacts/artifacts/ERC20Proxy.json
+++ b/packages/contract-artifacts/artifacts/ERC20Proxy.json
@@ -5,12 +5,7 @@
         "abi": [
             {
                 "constant": false,
-                "inputs": [
-                    {
-                        "name": "target",
-                        "type": "address"
-                    }
-                ],
+                "inputs": [{ "name": "target", "type": "address" }],
                 "name": "addAuthorizedAddress",
                 "outputs": [],
                 "payable": false,
@@ -19,31 +14,16 @@
             },
             {
                 "constant": true,
-                "inputs": [
-                    {
-                        "name": "",
-                        "type": "uint256"
-                    }
-                ],
+                "inputs": [{ "name": "", "type": "uint256" }],
                 "name": "authorities",
-                "outputs": [
-                    {
-                        "name": "",
-                        "type": "address"
-                    }
-                ],
+                "outputs": [{ "name": "", "type": "address" }],
                 "payable": false,
                 "stateMutability": "view",
                 "type": "function"
             },
             {
                 "constant": false,
-                "inputs": [
-                    {
-                        "name": "target",
-                        "type": "address"
-                    }
-                ],
+                "inputs": [{ "name": "target", "type": "address" }],
                 "name": "removeAuthorizedAddress",
                 "outputs": [],
                 "payable": false,
@@ -54,28 +34,14 @@
                 "constant": true,
                 "inputs": [],
                 "name": "owner",
-                "outputs": [
-                    {
-                        "name": "",
-                        "type": "address"
-                    }
-                ],
+                "outputs": [{ "name": "", "type": "address" }],
                 "payable": false,
                 "stateMutability": "view",
                 "type": "function"
             },
             {
                 "constant": false,
-                "inputs": [
-                    {
-                        "name": "target",
-                        "type": "address"
-                    },
-                    {
-                        "name": "index",
-                        "type": "uint256"
-                    }
-                ],
+                "inputs": [{ "name": "target", "type": "address" }, { "name": "index", "type": "uint256" }],
                 "name": "removeAuthorizedAddressAtIndex",
                 "outputs": [],
                 "payable": false,
@@ -86,31 +52,16 @@
                 "constant": true,
                 "inputs": [],
                 "name": "getProxyId",
-                "outputs": [
-                    {
-                        "name": "",
-                        "type": "bytes4"
-                    }
-                ],
+                "outputs": [{ "name": "", "type": "bytes4" }],
                 "payable": false,
                 "stateMutability": "pure",
                 "type": "function"
             },
             {
                 "constant": true,
-                "inputs": [
-                    {
-                        "name": "",
-                        "type": "address"
-                    }
-                ],
+                "inputs": [{ "name": "", "type": "address" }],
                 "name": "authorized",
-                "outputs": [
-                    {
-                        "name": "",
-                        "type": "bool"
-                    }
-                ],
+                "outputs": [{ "name": "", "type": "bool" }],
                 "payable": false,
                 "stateMutability": "view",
                 "type": "function"
@@ -119,48 +70,26 @@
                 "constant": true,
                 "inputs": [],
                 "name": "getAuthorizedAddresses",
-                "outputs": [
-                    {
-                        "name": "",
-                        "type": "address[]"
-                    }
-                ],
+                "outputs": [{ "name": "", "type": "address[]" }],
                 "payable": false,
                 "stateMutability": "view",
                 "type": "function"
             },
             {
                 "constant": false,
-                "inputs": [
-                    {
-                        "name": "newOwner",
-                        "type": "address"
-                    }
-                ],
+                "inputs": [{ "name": "newOwner", "type": "address" }],
                 "name": "transferOwnership",
                 "outputs": [],
                 "payable": false,
                 "stateMutability": "nonpayable",
                 "type": "function"
             },
-            {
-                "payable": false,
-                "stateMutability": "nonpayable",
-                "type": "fallback"
-            },
+            { "payable": false, "stateMutability": "nonpayable", "type": "fallback" },
             {
                 "anonymous": false,
                 "inputs": [
-                    {
-                        "indexed": true,
-                        "name": "target",
-                        "type": "address"
-                    },
-                    {
-                        "indexed": true,
-                        "name": "caller",
-                        "type": "address"
-                    }
+                    { "indexed": true, "name": "target", "type": "address" },
+                    { "indexed": true, "name": "caller", "type": "address" }
                 ],
                 "name": "AuthorizedAddressAdded",
                 "type": "event"
@@ -168,16 +97,8 @@
             {
                 "anonymous": false,
                 "inputs": [
-                    {
-                        "indexed": true,
-                        "name": "target",
-                        "type": "address"
-                    },
-                    {
-                        "indexed": true,
-                        "name": "caller",
-                        "type": "address"
-                    }
+                    { "indexed": true, "name": "target", "type": "address" },
+                    { "indexed": true, "name": "caller", "type": "address" }
                 ],
                 "name": "AuthorizedAddressRemoved",
                 "type": "event"
@@ -185,9 +106,7 @@
         ],
         "evm": {
             "bytecode": {
-                "linkReferences": {},
-                "object":
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             }
         }
     },
diff --git a/packages/contract-artifacts/artifacts/ERC20Token.json b/packages/contract-artifacts/artifacts/ERC20Token.json
index d89d08a77d..df1bb2de4f 100644
--- a/packages/contract-artifacts/artifacts/ERC20Token.json
+++ b/packages/contract-artifacts/artifacts/ERC20Token.json
@@ -5,23 +5,9 @@
         "abi": [
             {
                 "constant": false,
-                "inputs": [
-                    {
-                        "name": "_spender",
-                        "type": "address"
-                    },
-                    {
-                        "name": "_value",
-                        "type": "uint256"
-                    }
-                ],
+                "inputs": [{ "name": "_spender", "type": "address" }, { "name": "_value", "type": "uint256" }],
                 "name": "approve",
-                "outputs": [
-                    {
-                        "name": "",
-                        "type": "bool"
-                    }
-                ],
+                "outputs": [{ "name": "", "type": "bool" }],
                 "payable": false,
                 "stateMutability": "nonpayable",
                 "type": "function"
@@ -30,12 +16,7 @@
                 "constant": true,
                 "inputs": [],
                 "name": "totalSupply",
-                "outputs": [
-                    {
-                        "name": "",
-                        "type": "uint256"
-                    }
-                ],
+                "outputs": [{ "name": "", "type": "uint256" }],
                 "payable": false,
                 "stateMutability": "view",
                 "type": "function"
@@ -43,91 +24,39 @@
             {
                 "constant": false,
                 "inputs": [
-                    {
-                        "name": "_from",
-                        "type": "address"
-                    },
-                    {
-                        "name": "_to",
-                        "type": "address"
-                    },
-                    {
-                        "name": "_value",
-                        "type": "uint256"
-                    }
+                    { "name": "_from", "type": "address" },
+                    { "name": "_to", "type": "address" },
+                    { "name": "_value", "type": "uint256" }
                 ],
                 "name": "transferFrom",
-                "outputs": [
-                    {
-                        "name": "",
-                        "type": "bool"
-                    }
-                ],
+                "outputs": [{ "name": "", "type": "bool" }],
                 "payable": false,
                 "stateMutability": "nonpayable",
                 "type": "function"
             },
             {
                 "constant": true,
-                "inputs": [
-                    {
-                        "name": "_owner",
-                        "type": "address"
-                    }
-                ],
+                "inputs": [{ "name": "_owner", "type": "address" }],
                 "name": "balanceOf",
-                "outputs": [
-                    {
-                        "name": "",
-                        "type": "uint256"
-                    }
-                ],
+                "outputs": [{ "name": "", "type": "uint256" }],
                 "payable": false,
                 "stateMutability": "view",
                 "type": "function"
             },
             {
                 "constant": false,
-                "inputs": [
-                    {
-                        "name": "_to",
-                        "type": "address"
-                    },
-                    {
-                        "name": "_value",
-                        "type": "uint256"
-                    }
-                ],
+                "inputs": [{ "name": "_to", "type": "address" }, { "name": "_value", "type": "uint256" }],
                 "name": "transfer",
-                "outputs": [
-                    {
-                        "name": "",
-                        "type": "bool"
-                    }
-                ],
+                "outputs": [{ "name": "", "type": "bool" }],
                 "payable": false,
                 "stateMutability": "nonpayable",
                 "type": "function"
             },
             {
                 "constant": true,
-                "inputs": [
-                    {
-                        "name": "_owner",
-                        "type": "address"
-                    },
-                    {
-                        "name": "_spender",
-                        "type": "address"
-                    }
-                ],
+                "inputs": [{ "name": "_owner", "type": "address" }, { "name": "_spender", "type": "address" }],
                 "name": "allowance",
-                "outputs": [
-                    {
-                        "name": "",
-                        "type": "uint256"
-                    }
-                ],
+                "outputs": [{ "name": "", "type": "uint256" }],
                 "payable": false,
                 "stateMutability": "view",
                 "type": "function"
@@ -135,21 +64,9 @@
             {
                 "anonymous": false,
                 "inputs": [
-                    {
-                        "indexed": true,
-                        "name": "_from",
-                        "type": "address"
-                    },
-                    {
-                        "indexed": true,
-                        "name": "_to",
-                        "type": "address"
-                    },
-                    {
-                        "indexed": false,
-                        "name": "_value",
-                        "type": "uint256"
-                    }
+                    { "indexed": true, "name": "_from", "type": "address" },
+                    { "indexed": true, "name": "_to", "type": "address" },
+                    { "indexed": false, "name": "_value", "type": "uint256" }
                 ],
                 "name": "Transfer",
                 "type": "event"
@@ -157,21 +74,9 @@
             {
                 "anonymous": false,
                 "inputs": [
-                    {
-                        "indexed": true,
-                        "name": "_owner",
-                        "type": "address"
-                    },
-                    {
-                        "indexed": true,
-                        "name": "_spender",
-                        "type": "address"
-                    },
-                    {
-                        "indexed": false,
-                        "name": "_value",
-                        "type": "uint256"
-                    }
+                    { "indexed": true, "name": "_owner", "type": "address" },
+                    { "indexed": true, "name": "_spender", "type": "address" },
+                    { "indexed": false, "name": "_value", "type": "uint256" }
                 ],
                 "name": "Approval",
                 "type": "event"
@@ -179,9 +84,7 @@
         ],
         "evm": {
             "bytecode": {
-                "linkReferences": {},
-                "object":
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     },
diff --git a/packages/contract-artifacts/artifacts/ERC721Proxy.json b/packages/contract-artifacts/artifacts/ERC721Proxy.json
index db01e40f0f..42cec90f77 100644
--- a/packages/contract-artifacts/artifacts/ERC721Proxy.json
+++ b/packages/contract-artifacts/artifacts/ERC721Proxy.json
@@ -5,12 +5,7 @@
         "abi": [
             {
                 "constant": false,
-                "inputs": [
-                    {
-                        "name": "target",
-                        "type": "address"
-                    }
-                ],
+                "inputs": [{ "name": "target", "type": "address" }],
                 "name": "addAuthorizedAddress",
                 "outputs": [],
                 "payable": false,
@@ -19,31 +14,16 @@
             },
             {
                 "constant": true,
-                "inputs": [
-                    {
-                        "name": "",
-                        "type": "uint256"
-                    }
-                ],
+                "inputs": [{ "name": "", "type": "uint256" }],
                 "name": "authorities",
-                "outputs": [
-                    {
-                        "name": "",
-                        "type": "address"
-                    }
-                ],
+                "outputs": [{ "name": "", "type": "address" }],
                 "payable": false,
                 "stateMutability": "view",
                 "type": "function"
             },
             {
                 "constant": false,
-                "inputs": [
-                    {
-                        "name": "target",
-                        "type": "address"
-                    }
-                ],
+                "inputs": [{ "name": "target", "type": "address" }],
                 "name": "removeAuthorizedAddress",
                 "outputs": [],
                 "payable": false,
@@ -54,28 +34,14 @@
                 "constant": true,
                 "inputs": [],
                 "name": "owner",
-                "outputs": [
-                    {
-                        "name": "",
-                        "type": "address"
-                    }
-                ],
+                "outputs": [{ "name": "", "type": "address" }],
                 "payable": false,
                 "stateMutability": "view",
                 "type": "function"
             },
             {
                 "constant": false,
-                "inputs": [
-                    {
-                        "name": "target",
-                        "type": "address"
-                    },
-                    {
-                        "name": "index",
-                        "type": "uint256"
-                    }
-                ],
+                "inputs": [{ "name": "target", "type": "address" }, { "name": "index", "type": "uint256" }],
                 "name": "removeAuthorizedAddressAtIndex",
                 "outputs": [],
                 "payable": false,
@@ -86,31 +52,16 @@
                 "constant": true,
                 "inputs": [],
                 "name": "getProxyId",
-                "outputs": [
-                    {
-                        "name": "",
-                        "type": "bytes4"
-                    }
-                ],
+                "outputs": [{ "name": "", "type": "bytes4" }],
                 "payable": false,
                 "stateMutability": "pure",
                 "type": "function"
             },
             {
                 "constant": true,
-                "inputs": [
-                    {
-                        "name": "",
-                        "type": "address"
-                    }
-                ],
+                "inputs": [{ "name": "", "type": "address" }],
                 "name": "authorized",
-                "outputs": [
-                    {
-                        "name": "",
-                        "type": "bool"
-                    }
-                ],
+                "outputs": [{ "name": "", "type": "bool" }],
                 "payable": false,
                 "stateMutability": "view",
                 "type": "function"
@@ -119,48 +70,26 @@
                 "constant": true,
                 "inputs": [],
                 "name": "getAuthorizedAddresses",
-                "outputs": [
-                    {
-                        "name": "",
-                        "type": "address[]"
-                    }
-                ],
+                "outputs": [{ "name": "", "type": "address[]" }],
                 "payable": false,
                 "stateMutability": "view",
                 "type": "function"
             },
             {
                 "constant": false,
-                "inputs": [
-                    {
-                        "name": "newOwner",
-                        "type": "address"
-                    }
-                ],
+                "inputs": [{ "name": "newOwner", "type": "address" }],
                 "name": "transferOwnership",
                 "outputs": [],
                 "payable": false,
                 "stateMutability": "nonpayable",
                 "type": "function"
             },
-            {
-                "payable": false,
-                "stateMutability": "nonpayable",
-                "type": "fallback"
-            },
+            { "payable": false, "stateMutability": "nonpayable", "type": "fallback" },
             {
                 "anonymous": false,
                 "inputs": [
-                    {
-                        "indexed": true,
-                        "name": "target",
-                        "type": "address"
-                    },
-                    {
-                        "indexed": true,
-                        "name": "caller",
-                        "type": "address"
-                    }
+                    { "indexed": true, "name": "target", "type": "address" },
+                    { "indexed": true, "name": "caller", "type": "address" }
                 ],
                 "name": "AuthorizedAddressAdded",
                 "type": "event"
@@ -168,16 +97,8 @@
             {
                 "anonymous": false,
                 "inputs": [
-                    {
-                        "indexed": true,
-                        "name": "target",
-                        "type": "address"
-                    },
-                    {
-                        "indexed": true,
-                        "name": "caller",
-                        "type": "address"
-                    }
+                    { "indexed": true, "name": "target", "type": "address" },
+                    { "indexed": true, "name": "caller", "type": "address" }
                 ],
                 "name": "AuthorizedAddressRemoved",
                 "type": "event"
@@ -185,9 +106,7 @@
         ],
         "evm": {
             "bytecode": {
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         }
     },
diff --git a/packages/contract-artifacts/artifacts/ERC721Token.json b/packages/contract-artifacts/artifacts/ERC721Token.json
index d189090e83..5ea33d6cf2 100644
--- a/packages/contract-artifacts/artifacts/ERC721Token.json
+++ b/packages/contract-artifacts/artifacts/ERC721Token.json
@@ -5,35 +5,16 @@
         "abi": [
             {
                 "constant": true,
-                "inputs": [
-                    {
-                        "name": "_tokenId",
-                        "type": "uint256"
-                    }
-                ],
+                "inputs": [{ "name": "_tokenId", "type": "uint256" }],
                 "name": "getApproved",
-                "outputs": [
-                    {
-                        "name": "",
-                        "type": "address"
-                    }
-                ],
+                "outputs": [{ "name": "", "type": "address" }],
                 "payable": false,
                 "stateMutability": "view",
                 "type": "function"
             },
             {
                 "constant": false,
-                "inputs": [
-                    {
-                        "name": "_approved",
-                        "type": "address"
-                    },
-                    {
-                        "name": "_tokenId",
-                        "type": "uint256"
-                    }
-                ],
+                "inputs": [{ "name": "_approved", "type": "address" }, { "name": "_tokenId", "type": "uint256" }],
                 "name": "approve",
                 "outputs": [],
                 "payable": false,
@@ -43,18 +24,9 @@
             {
                 "constant": false,
                 "inputs": [
-                    {
-                        "name": "_from",
-                        "type": "address"
-                    },
-                    {
-                        "name": "_to",
-                        "type": "address"
-                    },
-                    {
-                        "name": "_tokenId",
-                        "type": "uint256"
-                    }
+                    { "name": "_from", "type": "address" },
+                    { "name": "_to", "type": "address" },
+                    { "name": "_tokenId", "type": "uint256" }
                 ],
                 "name": "transferFrom",
                 "outputs": [],
@@ -65,18 +37,9 @@
             {
                 "constant": false,
                 "inputs": [
-                    {
-                        "name": "_from",
-                        "type": "address"
-                    },
-                    {
-                        "name": "_to",
-                        "type": "address"
-                    },
-                    {
-                        "name": "_tokenId",
-                        "type": "uint256"
-                    }
+                    { "name": "_from", "type": "address" },
+                    { "name": "_to", "type": "address" },
+                    { "name": "_tokenId", "type": "uint256" }
                 ],
                 "name": "safeTransferFrom",
                 "outputs": [],
@@ -86,54 +49,25 @@
             },
             {
                 "constant": true,
-                "inputs": [
-                    {
-                        "name": "_tokenId",
-                        "type": "uint256"
-                    }
-                ],
+                "inputs": [{ "name": "_tokenId", "type": "uint256" }],
                 "name": "ownerOf",
-                "outputs": [
-                    {
-                        "name": "",
-                        "type": "address"
-                    }
-                ],
+                "outputs": [{ "name": "", "type": "address" }],
                 "payable": false,
                 "stateMutability": "view",
                 "type": "function"
             },
             {
                 "constant": true,
-                "inputs": [
-                    {
-                        "name": "_owner",
-                        "type": "address"
-                    }
-                ],
+                "inputs": [{ "name": "_owner", "type": "address" }],
                 "name": "balanceOf",
-                "outputs": [
-                    {
-                        "name": "",
-                        "type": "uint256"
-                    }
-                ],
+                "outputs": [{ "name": "", "type": "uint256" }],
                 "payable": false,
                 "stateMutability": "view",
                 "type": "function"
             },
             {
                 "constant": false,
-                "inputs": [
-                    {
-                        "name": "_operator",
-                        "type": "address"
-                    },
-                    {
-                        "name": "_approved",
-                        "type": "bool"
-                    }
-                ],
+                "inputs": [{ "name": "_operator", "type": "address" }, { "name": "_approved", "type": "bool" }],
                 "name": "setApprovalForAll",
                 "outputs": [],
                 "payable": false,
@@ -143,22 +77,10 @@
             {
                 "constant": false,
                 "inputs": [
-                    {
-                        "name": "_from",
-                        "type": "address"
-                    },
-                    {
-                        "name": "_to",
-                        "type": "address"
-                    },
-                    {
-                        "name": "_tokenId",
-                        "type": "uint256"
-                    },
-                    {
-                        "name": "_data",
-                        "type": "bytes"
-                    }
+                    { "name": "_from", "type": "address" },
+                    { "name": "_to", "type": "address" },
+                    { "name": "_tokenId", "type": "uint256" },
+                    { "name": "_data", "type": "bytes" }
                 ],
                 "name": "safeTransferFrom",
                 "outputs": [],
@@ -168,23 +90,9 @@
             },
             {
                 "constant": true,
-                "inputs": [
-                    {
-                        "name": "_owner",
-                        "type": "address"
-                    },
-                    {
-                        "name": "_operator",
-                        "type": "address"
-                    }
-                ],
+                "inputs": [{ "name": "_owner", "type": "address" }, { "name": "_operator", "type": "address" }],
                 "name": "isApprovedForAll",
-                "outputs": [
-                    {
-                        "name": "",
-                        "type": "bool"
-                    }
-                ],
+                "outputs": [{ "name": "", "type": "bool" }],
                 "payable": false,
                 "stateMutability": "view",
                 "type": "function"
@@ -192,21 +100,9 @@
             {
                 "anonymous": false,
                 "inputs": [
-                    {
-                        "indexed": true,
-                        "name": "_from",
-                        "type": "address"
-                    },
-                    {
-                        "indexed": true,
-                        "name": "_to",
-                        "type": "address"
-                    },
-                    {
-                        "indexed": true,
-                        "name": "_tokenId",
-                        "type": "uint256"
-                    }
+                    { "indexed": true, "name": "_from", "type": "address" },
+                    { "indexed": true, "name": "_to", "type": "address" },
+                    { "indexed": true, "name": "_tokenId", "type": "uint256" }
                 ],
                 "name": "Transfer",
                 "type": "event"
@@ -214,21 +110,9 @@
             {
                 "anonymous": false,
                 "inputs": [
-                    {
-                        "indexed": true,
-                        "name": "_owner",
-                        "type": "address"
-                    },
-                    {
-                        "indexed": true,
-                        "name": "_approved",
-                        "type": "address"
-                    },
-                    {
-                        "indexed": true,
-                        "name": "_tokenId",
-                        "type": "uint256"
-                    }
+                    { "indexed": true, "name": "_owner", "type": "address" },
+                    { "indexed": true, "name": "_approved", "type": "address" },
+                    { "indexed": true, "name": "_tokenId", "type": "uint256" }
                 ],
                 "name": "Approval",
                 "type": "event"
@@ -236,21 +120,9 @@
             {
                 "anonymous": false,
                 "inputs": [
-                    {
-                        "indexed": true,
-                        "name": "_owner",
-                        "type": "address"
-                    },
-                    {
-                        "indexed": true,
-                        "name": "_operator",
-                        "type": "address"
-                    },
-                    {
-                        "indexed": false,
-                        "name": "_approved",
-                        "type": "bool"
-                    }
+                    { "indexed": true, "name": "_owner", "type": "address" },
+                    { "indexed": true, "name": "_operator", "type": "address" },
+                    { "indexed": false, "name": "_approved", "type": "bool" }
                 ],
                 "name": "ApprovalForAll",
                 "type": "event"
@@ -258,9 +130,7 @@
         ],
         "evm": {
             "bytecode": {
-                "linkReferences": {},
-                "object":
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+                "object": 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             }
         }
     },
diff --git a/packages/contract-artifacts/artifacts/Exchange.json b/packages/contract-artifacts/artifacts/Exchange.json
index 6e586b8994..0a2647f286 100644
--- a/packages/contract-artifacts/artifacts/Exchange.json
+++ b/packages/contract-artifacts/artifacts/Exchange.json
@@ -5,19 +5,9 @@
         "abi": [
             {
                 "constant": true,
-                "inputs": [
-                    {
-                        "name": "",
-                        "type": "bytes32"
-                    }
-                ],
+                "inputs": [{ "name": "", "type": "bytes32" }],
                 "name": "filled",
-                "outputs": [
-                    {
-                        "name": "",
-                        "type": "uint256"
-                    }
-                ],
+                "outputs": [{ "name": "", "type": "uint256" }],
                 "payable": false,
                 "stateMutability": "view",
                 "type": "function"
@@ -27,87 +17,33 @@
                 "inputs": [
                     {
                         "components": [
-                            {
-                                "name": "makerAddress",
-                                "type": "address"
-                            },
-                            {
-                                "name": "takerAddress",
-                                "type": "address"
-                            },
-                            {
-                                "name": "feeRecipientAddress",
-                                "type": "address"
-                            },
-                            {
-                                "name": "senderAddress",
-                                "type": "address"
-                            },
-                            {
-                                "name": "makerAssetAmount",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "takerAssetAmount",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "makerFee",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "takerFee",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "expirationTimeSeconds",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "salt",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "makerAssetData",
-                                "type": "bytes"
-                            },
-                            {
-                                "name": "takerAssetData",
-                                "type": "bytes"
-                            }
+                            { "name": "makerAddress", "type": "address" },
+                            { "name": "takerAddress", "type": "address" },
+                            { "name": "feeRecipientAddress", "type": "address" },
+                            { "name": "senderAddress", "type": "address" },
+                            { "name": "makerAssetAmount", "type": "uint256" },
+                            { "name": "takerAssetAmount", "type": "uint256" },
+                            { "name": "makerFee", "type": "uint256" },
+                            { "name": "takerFee", "type": "uint256" },
+                            { "name": "expirationTimeSeconds", "type": "uint256" },
+                            { "name": "salt", "type": "uint256" },
+                            { "name": "makerAssetData", "type": "bytes" },
+                            { "name": "takerAssetData", "type": "bytes" }
                         ],
                         "name": "orders",
                         "type": "tuple[]"
                     },
-                    {
-                        "name": "takerAssetFillAmounts",
-                        "type": "uint256[]"
-                    },
-                    {
-                        "name": "signatures",
-                        "type": "bytes[]"
-                    }
+                    { "name": "takerAssetFillAmounts", "type": "uint256[]" },
+                    { "name": "signatures", "type": "bytes[]" }
                 ],
                 "name": "batchFillOrders",
                 "outputs": [
                     {
                         "components": [
-                            {
-                                "name": "makerAssetFilledAmount",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "takerAssetFilledAmount",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "makerFeePaid",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "takerFeePaid",
-                                "type": "uint256"
-                            }
+                            { "name": "makerAssetFilledAmount", "type": "uint256" },
+                            { "name": "takerAssetFilledAmount", "type": "uint256" },
+                            { "name": "makerFeePaid", "type": "uint256" },
+                            { "name": "takerFeePaid", "type": "uint256" }
                         ],
                         "name": "totalFillResults",
                         "type": "tuple"
@@ -119,19 +55,9 @@
             },
             {
                 "constant": true,
-                "inputs": [
-                    {
-                        "name": "",
-                        "type": "bytes32"
-                    }
-                ],
+                "inputs": [{ "name": "", "type": "bytes32" }],
                 "name": "cancelled",
-                "outputs": [
-                    {
-                        "name": "",
-                        "type": "bool"
-                    }
-                ],
+                "outputs": [{ "name": "", "type": "bool" }],
                 "payable": false,
                 "stateMutability": "view",
                 "type": "function"
@@ -139,18 +65,9 @@
             {
                 "constant": false,
                 "inputs": [
-                    {
-                        "name": "hash",
-                        "type": "bytes32"
-                    },
-                    {
-                        "name": "signerAddress",
-                        "type": "address"
-                    },
-                    {
-                        "name": "signature",
-                        "type": "bytes"
-                    }
+                    { "name": "hash", "type": "bytes32" },
+                    { "name": "signerAddress", "type": "address" },
+                    { "name": "signature", "type": "bytes" }
                 ],
                 "name": "preSign",
                 "outputs": [],
@@ -163,120 +80,42 @@
                 "inputs": [
                     {
                         "components": [
-                            {
-                                "name": "makerAddress",
-                                "type": "address"
-                            },
-                            {
-                                "name": "takerAddress",
-                                "type": "address"
-                            },
-                            {
-                                "name": "feeRecipientAddress",
-                                "type": "address"
-                            },
-                            {
-                                "name": "senderAddress",
-                                "type": "address"
-                            },
-                            {
-                                "name": "makerAssetAmount",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "takerAssetAmount",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "makerFee",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "takerFee",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "expirationTimeSeconds",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "salt",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "makerAssetData",
-                                "type": "bytes"
-                            },
-                            {
-                                "name": "takerAssetData",
-                                "type": "bytes"
-                            }
+                            { "name": "makerAddress", "type": "address" },
+                            { "name": "takerAddress", "type": "address" },
+                            { "name": "feeRecipientAddress", "type": "address" },
+                            { "name": "senderAddress", "type": "address" },
+                            { "name": "makerAssetAmount", "type": "uint256" },
+                            { "name": "takerAssetAmount", "type": "uint256" },
+                            { "name": "makerFee", "type": "uint256" },
+                            { "name": "takerFee", "type": "uint256" },
+                            { "name": "expirationTimeSeconds", "type": "uint256" },
+                            { "name": "salt", "type": "uint256" },
+                            { "name": "makerAssetData", "type": "bytes" },
+                            { "name": "takerAssetData", "type": "bytes" }
                         ],
                         "name": "leftOrder",
                         "type": "tuple"
                     },
                     {
                         "components": [
-                            {
-                                "name": "makerAddress",
-                                "type": "address"
-                            },
-                            {
-                                "name": "takerAddress",
-                                "type": "address"
-                            },
-                            {
-                                "name": "feeRecipientAddress",
-                                "type": "address"
-                            },
-                            {
-                                "name": "senderAddress",
-                                "type": "address"
-                            },
-                            {
-                                "name": "makerAssetAmount",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "takerAssetAmount",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "makerFee",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "takerFee",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "expirationTimeSeconds",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "salt",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "makerAssetData",
-                                "type": "bytes"
-                            },
-                            {
-                                "name": "takerAssetData",
-                                "type": "bytes"
-                            }
+                            { "name": "makerAddress", "type": "address" },
+                            { "name": "takerAddress", "type": "address" },
+                            { "name": "feeRecipientAddress", "type": "address" },
+                            { "name": "senderAddress", "type": "address" },
+                            { "name": "makerAssetAmount", "type": "uint256" },
+                            { "name": "takerAssetAmount", "type": "uint256" },
+                            { "name": "makerFee", "type": "uint256" },
+                            { "name": "takerFee", "type": "uint256" },
+                            { "name": "expirationTimeSeconds", "type": "uint256" },
+                            { "name": "salt", "type": "uint256" },
+                            { "name": "makerAssetData", "type": "bytes" },
+                            { "name": "takerAssetData", "type": "bytes" }
                         ],
                         "name": "rightOrder",
                         "type": "tuple"
                     },
-                    {
-                        "name": "leftSignature",
-                        "type": "bytes"
-                    },
-                    {
-                        "name": "rightSignature",
-                        "type": "bytes"
-                    }
+                    { "name": "leftSignature", "type": "bytes" },
+                    { "name": "rightSignature", "type": "bytes" }
                 ],
                 "name": "matchOrders",
                 "outputs": [
@@ -284,52 +123,25 @@
                         "components": [
                             {
                                 "components": [
-                                    {
-                                        "name": "makerAssetFilledAmount",
-                                        "type": "uint256"
-                                    },
-                                    {
-                                        "name": "takerAssetFilledAmount",
-                                        "type": "uint256"
-                                    },
-                                    {
-                                        "name": "makerFeePaid",
-                                        "type": "uint256"
-                                    },
-                                    {
-                                        "name": "takerFeePaid",
-                                        "type": "uint256"
-                                    }
+                                    { "name": "makerAssetFilledAmount", "type": "uint256" },
+                                    { "name": "takerAssetFilledAmount", "type": "uint256" },
+                                    { "name": "makerFeePaid", "type": "uint256" },
+                                    { "name": "takerFeePaid", "type": "uint256" }
                                 ],
                                 "name": "left",
                                 "type": "tuple"
                             },
                             {
                                 "components": [
-                                    {
-                                        "name": "makerAssetFilledAmount",
-                                        "type": "uint256"
-                                    },
-                                    {
-                                        "name": "takerAssetFilledAmount",
-                                        "type": "uint256"
-                                    },
-                                    {
-                                        "name": "makerFeePaid",
-                                        "type": "uint256"
-                                    },
-                                    {
-                                        "name": "takerFeePaid",
-                                        "type": "uint256"
-                                    }
+                                    { "name": "makerAssetFilledAmount", "type": "uint256" },
+                                    { "name": "takerAssetFilledAmount", "type": "uint256" },
+                                    { "name": "makerFeePaid", "type": "uint256" },
+                                    { "name": "takerFeePaid", "type": "uint256" }
                                 ],
                                 "name": "right",
                                 "type": "tuple"
                             },
-                            {
-                                "name": "leftMakerAssetSpreadAmount",
-                                "type": "uint256"
-                            }
+                            { "name": "leftMakerAssetSpreadAmount", "type": "uint256" }
                         ],
                         "name": "matchedFillResults",
                         "type": "tuple"
@@ -344,87 +156,33 @@
                 "inputs": [
                     {
                         "components": [
-                            {
-                                "name": "makerAddress",
-                                "type": "address"
-                            },
-                            {
-                                "name": "takerAddress",
-                                "type": "address"
-                            },
-                            {
-                                "name": "feeRecipientAddress",
-                                "type": "address"
-                            },
-                            {
-                                "name": "senderAddress",
-                                "type": "address"
-                            },
-                            {
-                                "name": "makerAssetAmount",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "takerAssetAmount",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "makerFee",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "takerFee",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "expirationTimeSeconds",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "salt",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "makerAssetData",
-                                "type": "bytes"
-                            },
-                            {
-                                "name": "takerAssetData",
-                                "type": "bytes"
-                            }
+                            { "name": "makerAddress", "type": "address" },
+                            { "name": "takerAddress", "type": "address" },
+                            { "name": "feeRecipientAddress", "type": "address" },
+                            { "name": "senderAddress", "type": "address" },
+                            { "name": "makerAssetAmount", "type": "uint256" },
+                            { "name": "takerAssetAmount", "type": "uint256" },
+                            { "name": "makerFee", "type": "uint256" },
+                            { "name": "takerFee", "type": "uint256" },
+                            { "name": "expirationTimeSeconds", "type": "uint256" },
+                            { "name": "salt", "type": "uint256" },
+                            { "name": "makerAssetData", "type": "bytes" },
+                            { "name": "takerAssetData", "type": "bytes" }
                         ],
                         "name": "order",
                         "type": "tuple"
                     },
-                    {
-                        "name": "takerAssetFillAmount",
-                        "type": "uint256"
-                    },
-                    {
-                        "name": "signature",
-                        "type": "bytes"
-                    }
+                    { "name": "takerAssetFillAmount", "type": "uint256" },
+                    { "name": "signature", "type": "bytes" }
                 ],
                 "name": "fillOrderNoThrow",
                 "outputs": [
                     {
                         "components": [
-                            {
-                                "name": "makerAssetFilledAmount",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "takerAssetFilledAmount",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "makerFeePaid",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "takerFeePaid",
-                                "type": "uint256"
-                            }
+                            { "name": "makerAssetFilledAmount", "type": "uint256" },
+                            { "name": "takerAssetFilledAmount", "type": "uint256" },
+                            { "name": "makerFeePaid", "type": "uint256" },
+                            { "name": "takerFeePaid", "type": "uint256" }
                         ],
                         "name": "fillResults",
                         "type": "tuple"
@@ -436,19 +194,9 @@
             },
             {
                 "constant": true,
-                "inputs": [
-                    {
-                        "name": "",
-                        "type": "bytes4"
-                    }
-                ],
+                "inputs": [{ "name": "", "type": "bytes4" }],
                 "name": "assetProxies",
-                "outputs": [
-                    {
-                        "name": "",
-                        "type": "address"
-                    }
-                ],
+                "outputs": [{ "name": "", "type": "address" }],
                 "payable": false,
                 "stateMutability": "view",
                 "type": "function"
@@ -458,54 +206,18 @@
                 "inputs": [
                     {
                         "components": [
-                            {
-                                "name": "makerAddress",
-                                "type": "address"
-                            },
-                            {
-                                "name": "takerAddress",
-                                "type": "address"
-                            },
-                            {
-                                "name": "feeRecipientAddress",
-                                "type": "address"
-                            },
-                            {
-                                "name": "senderAddress",
-                                "type": "address"
-                            },
-                            {
-                                "name": "makerAssetAmount",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "takerAssetAmount",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "makerFee",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "takerFee",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "expirationTimeSeconds",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "salt",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "makerAssetData",
-                                "type": "bytes"
-                            },
-                            {
-                                "name": "takerAssetData",
-                                "type": "bytes"
-                            }
+                            { "name": "makerAddress", "type": "address" },
+                            { "name": "takerAddress", "type": "address" },
+                            { "name": "feeRecipientAddress", "type": "address" },
+                            { "name": "senderAddress", "type": "address" },
+                            { "name": "makerAssetAmount", "type": "uint256" },
+                            { "name": "takerAssetAmount", "type": "uint256" },
+                            { "name": "makerFee", "type": "uint256" },
+                            { "name": "takerFee", "type": "uint256" },
+                            { "name": "expirationTimeSeconds", "type": "uint256" },
+                            { "name": "salt", "type": "uint256" },
+                            { "name": "makerAssetData", "type": "bytes" },
+                            { "name": "takerAssetData", "type": "bytes" }
                         ],
                         "name": "orders",
                         "type": "tuple[]"
@@ -522,87 +234,33 @@
                 "inputs": [
                     {
                         "components": [
-                            {
-                                "name": "makerAddress",
-                                "type": "address"
-                            },
-                            {
-                                "name": "takerAddress",
-                                "type": "address"
-                            },
-                            {
-                                "name": "feeRecipientAddress",
-                                "type": "address"
-                            },
-                            {
-                                "name": "senderAddress",
-                                "type": "address"
-                            },
-                            {
-                                "name": "makerAssetAmount",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "takerAssetAmount",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "makerFee",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "takerFee",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "expirationTimeSeconds",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "salt",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "makerAssetData",
-                                "type": "bytes"
-                            },
-                            {
-                                "name": "takerAssetData",
-                                "type": "bytes"
-                            }
+                            { "name": "makerAddress", "type": "address" },
+                            { "name": "takerAddress", "type": "address" },
+                            { "name": "feeRecipientAddress", "type": "address" },
+                            { "name": "senderAddress", "type": "address" },
+                            { "name": "makerAssetAmount", "type": "uint256" },
+                            { "name": "takerAssetAmount", "type": "uint256" },
+                            { "name": "makerFee", "type": "uint256" },
+                            { "name": "takerFee", "type": "uint256" },
+                            { "name": "expirationTimeSeconds", "type": "uint256" },
+                            { "name": "salt", "type": "uint256" },
+                            { "name": "makerAssetData", "type": "bytes" },
+                            { "name": "takerAssetData", "type": "bytes" }
                         ],
                         "name": "orders",
                         "type": "tuple[]"
                     },
-                    {
-                        "name": "takerAssetFillAmounts",
-                        "type": "uint256[]"
-                    },
-                    {
-                        "name": "signatures",
-                        "type": "bytes[]"
-                    }
+                    { "name": "takerAssetFillAmounts", "type": "uint256[]" },
+                    { "name": "signatures", "type": "bytes[]" }
                 ],
                 "name": "batchFillOrKillOrders",
                 "outputs": [
                     {
                         "components": [
-                            {
-                                "name": "makerAssetFilledAmount",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "takerAssetFilledAmount",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "makerFeePaid",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "takerFeePaid",
-                                "type": "uint256"
-                            }
+                            { "name": "makerAssetFilledAmount", "type": "uint256" },
+                            { "name": "takerAssetFilledAmount", "type": "uint256" },
+                            { "name": "makerFeePaid", "type": "uint256" },
+                            { "name": "takerFeePaid", "type": "uint256" }
                         ],
                         "name": "totalFillResults",
                         "type": "tuple"
@@ -614,12 +272,7 @@
             },
             {
                 "constant": false,
-                "inputs": [
-                    {
-                        "name": "targetOrderEpoch",
-                        "type": "uint256"
-                    }
-                ],
+                "inputs": [{ "name": "targetOrderEpoch", "type": "uint256" }],
                 "name": "cancelOrdersUpTo",
                 "outputs": [],
                 "payable": false,
@@ -631,87 +284,33 @@
                 "inputs": [
                     {
                         "components": [
-                            {
-                                "name": "makerAddress",
-                                "type": "address"
-                            },
-                            {
-                                "name": "takerAddress",
-                                "type": "address"
-                            },
-                            {
-                                "name": "feeRecipientAddress",
-                                "type": "address"
-                            },
-                            {
-                                "name": "senderAddress",
-                                "type": "address"
-                            },
-                            {
-                                "name": "makerAssetAmount",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "takerAssetAmount",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "makerFee",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "takerFee",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "expirationTimeSeconds",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "salt",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "makerAssetData",
-                                "type": "bytes"
-                            },
-                            {
-                                "name": "takerAssetData",
-                                "type": "bytes"
-                            }
+                            { "name": "makerAddress", "type": "address" },
+                            { "name": "takerAddress", "type": "address" },
+                            { "name": "feeRecipientAddress", "type": "address" },
+                            { "name": "senderAddress", "type": "address" },
+                            { "name": "makerAssetAmount", "type": "uint256" },
+                            { "name": "takerAssetAmount", "type": "uint256" },
+                            { "name": "makerFee", "type": "uint256" },
+                            { "name": "takerFee", "type": "uint256" },
+                            { "name": "expirationTimeSeconds", "type": "uint256" },
+                            { "name": "salt", "type": "uint256" },
+                            { "name": "makerAssetData", "type": "bytes" },
+                            { "name": "takerAssetData", "type": "bytes" }
                         ],
                         "name": "orders",
                         "type": "tuple[]"
                     },
-                    {
-                        "name": "takerAssetFillAmounts",
-                        "type": "uint256[]"
-                    },
-                    {
-                        "name": "signatures",
-                        "type": "bytes[]"
-                    }
+                    { "name": "takerAssetFillAmounts", "type": "uint256[]" },
+                    { "name": "signatures", "type": "bytes[]" }
                 ],
                 "name": "batchFillOrdersNoThrow",
                 "outputs": [
                     {
                         "components": [
-                            {
-                                "name": "makerAssetFilledAmount",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "takerAssetFilledAmount",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "makerFeePaid",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "takerFeePaid",
-                                "type": "uint256"
-                            }
+                            { "name": "makerAssetFilledAmount", "type": "uint256" },
+                            { "name": "takerAssetFilledAmount", "type": "uint256" },
+                            { "name": "makerFeePaid", "type": "uint256" },
+                            { "name": "takerFeePaid", "type": "uint256" }
                         ],
                         "name": "totalFillResults",
                         "type": "tuple"
@@ -723,38 +322,18 @@
             },
             {
                 "constant": true,
-                "inputs": [
-                    {
-                        "name": "assetProxyId",
-                        "type": "bytes4"
-                    }
-                ],
+                "inputs": [{ "name": "assetProxyId", "type": "bytes4" }],
                 "name": "getAssetProxy",
-                "outputs": [
-                    {
-                        "name": "",
-                        "type": "address"
-                    }
-                ],
+                "outputs": [{ "name": "", "type": "address" }],
                 "payable": false,
                 "stateMutability": "view",
                 "type": "function"
             },
             {
                 "constant": true,
-                "inputs": [
-                    {
-                        "name": "",
-                        "type": "bytes32"
-                    }
-                ],
+                "inputs": [{ "name": "", "type": "bytes32" }],
                 "name": "transactions",
-                "outputs": [
-                    {
-                        "name": "",
-                        "type": "bool"
-                    }
-                ],
+                "outputs": [{ "name": "", "type": "bool" }],
                 "payable": false,
                 "stateMutability": "view",
                 "type": "function"
@@ -764,87 +343,33 @@
                 "inputs": [
                     {
                         "components": [
-                            {
-                                "name": "makerAddress",
-                                "type": "address"
-                            },
-                            {
-                                "name": "takerAddress",
-                                "type": "address"
-                            },
-                            {
-                                "name": "feeRecipientAddress",
-                                "type": "address"
-                            },
-                            {
-                                "name": "senderAddress",
-                                "type": "address"
-                            },
-                            {
-                                "name": "makerAssetAmount",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "takerAssetAmount",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "makerFee",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "takerFee",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "expirationTimeSeconds",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "salt",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "makerAssetData",
-                                "type": "bytes"
-                            },
-                            {
-                                "name": "takerAssetData",
-                                "type": "bytes"
-                            }
+                            { "name": "makerAddress", "type": "address" },
+                            { "name": "takerAddress", "type": "address" },
+                            { "name": "feeRecipientAddress", "type": "address" },
+                            { "name": "senderAddress", "type": "address" },
+                            { "name": "makerAssetAmount", "type": "uint256" },
+                            { "name": "takerAssetAmount", "type": "uint256" },
+                            { "name": "makerFee", "type": "uint256" },
+                            { "name": "takerFee", "type": "uint256" },
+                            { "name": "expirationTimeSeconds", "type": "uint256" },
+                            { "name": "salt", "type": "uint256" },
+                            { "name": "makerAssetData", "type": "bytes" },
+                            { "name": "takerAssetData", "type": "bytes" }
                         ],
                         "name": "order",
                         "type": "tuple"
                     },
-                    {
-                        "name": "takerAssetFillAmount",
-                        "type": "uint256"
-                    },
-                    {
-                        "name": "signature",
-                        "type": "bytes"
-                    }
+                    { "name": "takerAssetFillAmount", "type": "uint256" },
+                    { "name": "signature", "type": "bytes" }
                 ],
                 "name": "fillOrKillOrder",
                 "outputs": [
                     {
                         "components": [
-                            {
-                                "name": "makerAssetFilledAmount",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "takerAssetFilledAmount",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "makerFeePaid",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "takerFeePaid",
-                                "type": "uint256"
-                            }
+                            { "name": "makerAssetFilledAmount", "type": "uint256" },
+                            { "name": "takerAssetFilledAmount", "type": "uint256" },
+                            { "name": "makerFeePaid", "type": "uint256" },
+                            { "name": "takerFeePaid", "type": "uint256" }
                         ],
                         "name": "fillResults",
                         "type": "tuple"
@@ -856,16 +381,7 @@
             },
             {
                 "constant": false,
-                "inputs": [
-                    {
-                        "name": "validatorAddress",
-                        "type": "address"
-                    },
-                    {
-                        "name": "approval",
-                        "type": "bool"
-                    }
-                ],
+                "inputs": [{ "name": "validatorAddress", "type": "address" }, { "name": "approval", "type": "bool" }],
                 "name": "setSignatureValidatorApproval",
                 "outputs": [],
                 "payable": false,
@@ -874,23 +390,9 @@
             },
             {
                 "constant": true,
-                "inputs": [
-                    {
-                        "name": "",
-                        "type": "address"
-                    },
-                    {
-                        "name": "",
-                        "type": "address"
-                    }
-                ],
+                "inputs": [{ "name": "", "type": "address" }, { "name": "", "type": "address" }],
                 "name": "allowedValidators",
-                "outputs": [
-                    {
-                        "name": "",
-                        "type": "bool"
-                    }
-                ],
+                "outputs": [{ "name": "", "type": "bool" }],
                 "payable": false,
                 "stateMutability": "view",
                 "type": "function"
@@ -900,87 +402,33 @@
                 "inputs": [
                     {
                         "components": [
-                            {
-                                "name": "makerAddress",
-                                "type": "address"
-                            },
-                            {
-                                "name": "takerAddress",
-                                "type": "address"
-                            },
-                            {
-                                "name": "feeRecipientAddress",
-                                "type": "address"
-                            },
-                            {
-                                "name": "senderAddress",
-                                "type": "address"
-                            },
-                            {
-                                "name": "makerAssetAmount",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "takerAssetAmount",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "makerFee",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "takerFee",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "expirationTimeSeconds",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "salt",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "makerAssetData",
-                                "type": "bytes"
-                            },
-                            {
-                                "name": "takerAssetData",
-                                "type": "bytes"
-                            }
+                            { "name": "makerAddress", "type": "address" },
+                            { "name": "takerAddress", "type": "address" },
+                            { "name": "feeRecipientAddress", "type": "address" },
+                            { "name": "senderAddress", "type": "address" },
+                            { "name": "makerAssetAmount", "type": "uint256" },
+                            { "name": "takerAssetAmount", "type": "uint256" },
+                            { "name": "makerFee", "type": "uint256" },
+                            { "name": "takerFee", "type": "uint256" },
+                            { "name": "expirationTimeSeconds", "type": "uint256" },
+                            { "name": "salt", "type": "uint256" },
+                            { "name": "makerAssetData", "type": "bytes" },
+                            { "name": "takerAssetData", "type": "bytes" }
                         ],
                         "name": "orders",
                         "type": "tuple[]"
                     },
-                    {
-                        "name": "takerAssetFillAmount",
-                        "type": "uint256"
-                    },
-                    {
-                        "name": "signatures",
-                        "type": "bytes[]"
-                    }
+                    { "name": "takerAssetFillAmount", "type": "uint256" },
+                    { "name": "signatures", "type": "bytes[]" }
                 ],
                 "name": "marketSellOrders",
                 "outputs": [
                     {
                         "components": [
-                            {
-                                "name": "makerAssetFilledAmount",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "takerAssetFilledAmount",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "makerFeePaid",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "takerFeePaid",
-                                "type": "uint256"
-                            }
+                            { "name": "makerAssetFilledAmount", "type": "uint256" },
+                            { "name": "takerAssetFilledAmount", "type": "uint256" },
+                            { "name": "makerFeePaid", "type": "uint256" },
+                            { "name": "takerFeePaid", "type": "uint256" }
                         ],
                         "name": "totalFillResults",
                         "type": "tuple"
@@ -995,54 +443,18 @@
                 "inputs": [
                     {
                         "components": [
-                            {
-                                "name": "makerAddress",
-                                "type": "address"
-                            },
-                            {
-                                "name": "takerAddress",
-                                "type": "address"
-                            },
-                            {
-                                "name": "feeRecipientAddress",
-                                "type": "address"
-                            },
-                            {
-                                "name": "senderAddress",
-                                "type": "address"
-                            },
-                            {
-                                "name": "makerAssetAmount",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "takerAssetAmount",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "makerFee",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "takerFee",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "expirationTimeSeconds",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "salt",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "makerAssetData",
-                                "type": "bytes"
-                            },
-                            {
-                                "name": "takerAssetData",
-                                "type": "bytes"
-                            }
+                            { "name": "makerAddress", "type": "address" },
+                            { "name": "takerAddress", "type": "address" },
+                            { "name": "feeRecipientAddress", "type": "address" },
+                            { "name": "senderAddress", "type": "address" },
+                            { "name": "makerAssetAmount", "type": "uint256" },
+                            { "name": "takerAssetAmount", "type": "uint256" },
+                            { "name": "makerFee", "type": "uint256" },
+                            { "name": "takerFee", "type": "uint256" },
+                            { "name": "expirationTimeSeconds", "type": "uint256" },
+                            { "name": "salt", "type": "uint256" },
+                            { "name": "makerAssetData", "type": "bytes" },
+                            { "name": "takerAssetData", "type": "bytes" }
                         ],
                         "name": "orders",
                         "type": "tuple[]"
@@ -1052,18 +464,9 @@
                 "outputs": [
                     {
                         "components": [
-                            {
-                                "name": "orderStatus",
-                                "type": "uint8"
-                            },
-                            {
-                                "name": "orderHash",
-                                "type": "bytes32"
-                            },
-                            {
-                                "name": "orderTakerAssetFilledAmount",
-                                "type": "uint256"
-                            }
+                            { "name": "orderStatus", "type": "uint8" },
+                            { "name": "orderHash", "type": "bytes32" },
+                            { "name": "orderTakerAssetFilledAmount", "type": "uint256" }
                         ],
                         "name": "",
                         "type": "tuple[]"
@@ -1075,23 +478,9 @@
             },
             {
                 "constant": true,
-                "inputs": [
-                    {
-                        "name": "",
-                        "type": "bytes32"
-                    },
-                    {
-                        "name": "",
-                        "type": "address"
-                    }
-                ],
+                "inputs": [{ "name": "", "type": "bytes32" }, { "name": "", "type": "address" }],
                 "name": "preSigned",
-                "outputs": [
-                    {
-                        "name": "",
-                        "type": "bool"
-                    }
-                ],
+                "outputs": [{ "name": "", "type": "bool" }],
                 "payable": false,
                 "stateMutability": "view",
                 "type": "function"
@@ -1100,12 +489,7 @@
                 "constant": true,
                 "inputs": [],
                 "name": "owner",
-                "outputs": [
-                    {
-                        "name": "",
-                        "type": "address"
-                    }
-                ],
+                "outputs": [{ "name": "", "type": "address" }],
                 "payable": false,
                 "stateMutability": "view",
                 "type": "function"
@@ -1113,26 +497,12 @@
             {
                 "constant": true,
                 "inputs": [
-                    {
-                        "name": "hash",
-                        "type": "bytes32"
-                    },
-                    {
-                        "name": "signerAddress",
-                        "type": "address"
-                    },
-                    {
-                        "name": "signature",
-                        "type": "bytes"
-                    }
+                    { "name": "hash", "type": "bytes32" },
+                    { "name": "signerAddress", "type": "address" },
+                    { "name": "signature", "type": "bytes" }
                 ],
                 "name": "isValidSignature",
-                "outputs": [
-                    {
-                        "name": "isValid",
-                        "type": "bool"
-                    }
-                ],
+                "outputs": [{ "name": "isValid", "type": "bool" }],
                 "payable": false,
                 "stateMutability": "view",
                 "type": "function"
@@ -1142,87 +512,33 @@
                 "inputs": [
                     {
                         "components": [
-                            {
-                                "name": "makerAddress",
-                                "type": "address"
-                            },
-                            {
-                                "name": "takerAddress",
-                                "type": "address"
-                            },
-                            {
-                                "name": "feeRecipientAddress",
-                                "type": "address"
-                            },
-                            {
-                                "name": "senderAddress",
-                                "type": "address"
-                            },
-                            {
-                                "name": "makerAssetAmount",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "takerAssetAmount",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "makerFee",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "takerFee",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "expirationTimeSeconds",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "salt",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "makerAssetData",
-                                "type": "bytes"
-                            },
-                            {
-                                "name": "takerAssetData",
-                                "type": "bytes"
-                            }
+                            { "name": "makerAddress", "type": "address" },
+                            { "name": "takerAddress", "type": "address" },
+                            { "name": "feeRecipientAddress", "type": "address" },
+                            { "name": "senderAddress", "type": "address" },
+                            { "name": "makerAssetAmount", "type": "uint256" },
+                            { "name": "takerAssetAmount", "type": "uint256" },
+                            { "name": "makerFee", "type": "uint256" },
+                            { "name": "takerFee", "type": "uint256" },
+                            { "name": "expirationTimeSeconds", "type": "uint256" },
+                            { "name": "salt", "type": "uint256" },
+                            { "name": "makerAssetData", "type": "bytes" },
+                            { "name": "takerAssetData", "type": "bytes" }
                         ],
                         "name": "orders",
                         "type": "tuple[]"
                     },
-                    {
-                        "name": "makerAssetFillAmount",
-                        "type": "uint256"
-                    },
-                    {
-                        "name": "signatures",
-                        "type": "bytes[]"
-                    }
+                    { "name": "makerAssetFillAmount", "type": "uint256" },
+                    { "name": "signatures", "type": "bytes[]" }
                 ],
                 "name": "marketBuyOrdersNoThrow",
                 "outputs": [
                     {
                         "components": [
-                            {
-                                "name": "makerAssetFilledAmount",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "takerAssetFilledAmount",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "makerFeePaid",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "takerFeePaid",
-                                "type": "uint256"
-                            }
+                            { "name": "makerAssetFilledAmount", "type": "uint256" },
+                            { "name": "takerAssetFilledAmount", "type": "uint256" },
+                            { "name": "makerFeePaid", "type": "uint256" },
+                            { "name": "takerFeePaid", "type": "uint256" }
                         ],
                         "name": "totalFillResults",
                         "type": "tuple"
@@ -1237,87 +553,33 @@
                 "inputs": [
                     {
                         "components": [
-                            {
-                                "name": "makerAddress",
-                                "type": "address"
-                            },
-                            {
-                                "name": "takerAddress",
-                                "type": "address"
-                            },
-                            {
-                                "name": "feeRecipientAddress",
-                                "type": "address"
-                            },
-                            {
-                                "name": "senderAddress",
-                                "type": "address"
-                            },
-                            {
-                                "name": "makerAssetAmount",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "takerAssetAmount",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "makerFee",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "takerFee",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "expirationTimeSeconds",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "salt",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "makerAssetData",
-                                "type": "bytes"
-                            },
-                            {
-                                "name": "takerAssetData",
-                                "type": "bytes"
-                            }
+                            { "name": "makerAddress", "type": "address" },
+                            { "name": "takerAddress", "type": "address" },
+                            { "name": "feeRecipientAddress", "type": "address" },
+                            { "name": "senderAddress", "type": "address" },
+                            { "name": "makerAssetAmount", "type": "uint256" },
+                            { "name": "takerAssetAmount", "type": "uint256" },
+                            { "name": "makerFee", "type": "uint256" },
+                            { "name": "takerFee", "type": "uint256" },
+                            { "name": "expirationTimeSeconds", "type": "uint256" },
+                            { "name": "salt", "type": "uint256" },
+                            { "name": "makerAssetData", "type": "bytes" },
+                            { "name": "takerAssetData", "type": "bytes" }
                         ],
                         "name": "order",
                         "type": "tuple"
                     },
-                    {
-                        "name": "takerAssetFillAmount",
-                        "type": "uint256"
-                    },
-                    {
-                        "name": "signature",
-                        "type": "bytes"
-                    }
+                    { "name": "takerAssetFillAmount", "type": "uint256" },
+                    { "name": "signature", "type": "bytes" }
                 ],
                 "name": "fillOrder",
                 "outputs": [
                     {
                         "components": [
-                            {
-                                "name": "makerAssetFilledAmount",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "takerAssetFilledAmount",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "makerFeePaid",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "takerFeePaid",
-                                "type": "uint256"
-                            }
+                            { "name": "makerAssetFilledAmount", "type": "uint256" },
+                            { "name": "takerAssetFilledAmount", "type": "uint256" },
+                            { "name": "makerFeePaid", "type": "uint256" },
+                            { "name": "takerFeePaid", "type": "uint256" }
                         ],
                         "name": "fillResults",
                         "type": "tuple"
@@ -1330,22 +592,10 @@
             {
                 "constant": false,
                 "inputs": [
-                    {
-                        "name": "salt",
-                        "type": "uint256"
-                    },
-                    {
-                        "name": "signerAddress",
-                        "type": "address"
-                    },
-                    {
-                        "name": "data",
-                        "type": "bytes"
-                    },
-                    {
-                        "name": "signature",
-                        "type": "bytes"
-                    }
+                    { "name": "salt", "type": "uint256" },
+                    { "name": "signerAddress", "type": "address" },
+                    { "name": "data", "type": "bytes" },
+                    { "name": "signature", "type": "bytes" }
                 ],
                 "name": "executeTransaction",
                 "outputs": [],
@@ -1355,12 +605,7 @@
             },
             {
                 "constant": false,
-                "inputs": [
-                    {
-                        "name": "assetProxy",
-                        "type": "address"
-                    }
-                ],
+                "inputs": [{ "name": "assetProxy", "type": "address" }],
                 "name": "registerAssetProxy",
                 "outputs": [],
                 "payable": false,
@@ -1372,54 +617,18 @@
                 "inputs": [
                     {
                         "components": [
-                            {
-                                "name": "makerAddress",
-                                "type": "address"
-                            },
-                            {
-                                "name": "takerAddress",
-                                "type": "address"
-                            },
-                            {
-                                "name": "feeRecipientAddress",
-                                "type": "address"
-                            },
-                            {
-                                "name": "senderAddress",
-                                "type": "address"
-                            },
-                            {
-                                "name": "makerAssetAmount",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "takerAssetAmount",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "makerFee",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "takerFee",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "expirationTimeSeconds",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "salt",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "makerAssetData",
-                                "type": "bytes"
-                            },
-                            {
-                                "name": "takerAssetData",
-                                "type": "bytes"
-                            }
+                            { "name": "makerAddress", "type": "address" },
+                            { "name": "takerAddress", "type": "address" },
+                            { "name": "feeRecipientAddress", "type": "address" },
+                            { "name": "senderAddress", "type": "address" },
+                            { "name": "makerAssetAmount", "type": "uint256" },
+                            { "name": "takerAssetAmount", "type": "uint256" },
+                            { "name": "makerFee", "type": "uint256" },
+                            { "name": "takerFee", "type": "uint256" },
+                            { "name": "expirationTimeSeconds", "type": "uint256" },
+                            { "name": "salt", "type": "uint256" },
+                            { "name": "makerAssetData", "type": "bytes" },
+                            { "name": "takerAssetData", "type": "bytes" }
                         ],
                         "name": "order",
                         "type": "tuple"
@@ -1429,18 +638,9 @@
                 "outputs": [
                     {
                         "components": [
-                            {
-                                "name": "orderStatus",
-                                "type": "uint8"
-                            },
-                            {
-                                "name": "orderHash",
-                                "type": "bytes32"
-                            },
-                            {
-                                "name": "orderTakerAssetFilledAmount",
-                                "type": "uint256"
-                            }
+                            { "name": "orderStatus", "type": "uint8" },
+                            { "name": "orderHash", "type": "bytes32" },
+                            { "name": "orderTakerAssetFilledAmount", "type": "uint256" }
                         ],
                         "name": "orderInfo",
                         "type": "tuple"
@@ -1455,54 +655,18 @@
                 "inputs": [
                     {
                         "components": [
-                            {
-                                "name": "makerAddress",
-                                "type": "address"
-                            },
-                            {
-                                "name": "takerAddress",
-                                "type": "address"
-                            },
-                            {
-                                "name": "feeRecipientAddress",
-                                "type": "address"
-                            },
-                            {
-                                "name": "senderAddress",
-                                "type": "address"
-                            },
-                            {
-                                "name": "makerAssetAmount",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "takerAssetAmount",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "makerFee",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "takerFee",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "expirationTimeSeconds",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "salt",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "makerAssetData",
-                                "type": "bytes"
-                            },
-                            {
-                                "name": "takerAssetData",
-                                "type": "bytes"
-                            }
+                            { "name": "makerAddress", "type": "address" },
+                            { "name": "takerAddress", "type": "address" },
+                            { "name": "feeRecipientAddress", "type": "address" },
+                            { "name": "senderAddress", "type": "address" },
+                            { "name": "makerAssetAmount", "type": "uint256" },
+                            { "name": "takerAssetAmount", "type": "uint256" },
+                            { "name": "makerFee", "type": "uint256" },
+                            { "name": "takerFee", "type": "uint256" },
+                            { "name": "expirationTimeSeconds", "type": "uint256" },
+                            { "name": "salt", "type": "uint256" },
+                            { "name": "makerAssetData", "type": "bytes" },
+                            { "name": "takerAssetData", "type": "bytes" }
                         ],
                         "name": "order",
                         "type": "tuple"
@@ -1516,23 +680,9 @@
             },
             {
                 "constant": true,
-                "inputs": [
-                    {
-                        "name": "",
-                        "type": "address"
-                    },
-                    {
-                        "name": "",
-                        "type": "address"
-                    }
-                ],
+                "inputs": [{ "name": "", "type": "address" }, { "name": "", "type": "address" }],
                 "name": "orderEpoch",
-                "outputs": [
-                    {
-                        "name": "",
-                        "type": "uint256"
-                    }
-                ],
+                "outputs": [{ "name": "", "type": "uint256" }],
                 "payable": false,
                 "stateMutability": "view",
                 "type": "function"
@@ -1541,12 +691,7 @@
                 "constant": true,
                 "inputs": [],
                 "name": "ZRX_ASSET_DATA",
-                "outputs": [
-                    {
-                        "name": "",
-                        "type": "bytes"
-                    }
-                ],
+                "outputs": [{ "name": "", "type": "bytes" }],
                 "payable": false,
                 "stateMutability": "view",
                 "type": "function"
@@ -1556,87 +701,33 @@
                 "inputs": [
                     {
                         "components": [
-                            {
-                                "name": "makerAddress",
-                                "type": "address"
-                            },
-                            {
-                                "name": "takerAddress",
-                                "type": "address"
-                            },
-                            {
-                                "name": "feeRecipientAddress",
-                                "type": "address"
-                            },
-                            {
-                                "name": "senderAddress",
-                                "type": "address"
-                            },
-                            {
-                                "name": "makerAssetAmount",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "takerAssetAmount",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "makerFee",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "takerFee",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "expirationTimeSeconds",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "salt",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "makerAssetData",
-                                "type": "bytes"
-                            },
-                            {
-                                "name": "takerAssetData",
-                                "type": "bytes"
-                            }
+                            { "name": "makerAddress", "type": "address" },
+                            { "name": "takerAddress", "type": "address" },
+                            { "name": "feeRecipientAddress", "type": "address" },
+                            { "name": "senderAddress", "type": "address" },
+                            { "name": "makerAssetAmount", "type": "uint256" },
+                            { "name": "takerAssetAmount", "type": "uint256" },
+                            { "name": "makerFee", "type": "uint256" },
+                            { "name": "takerFee", "type": "uint256" },
+                            { "name": "expirationTimeSeconds", "type": "uint256" },
+                            { "name": "salt", "type": "uint256" },
+                            { "name": "makerAssetData", "type": "bytes" },
+                            { "name": "takerAssetData", "type": "bytes" }
                         ],
                         "name": "orders",
                         "type": "tuple[]"
                     },
-                    {
-                        "name": "takerAssetFillAmount",
-                        "type": "uint256"
-                    },
-                    {
-                        "name": "signatures",
-                        "type": "bytes[]"
-                    }
+                    { "name": "takerAssetFillAmount", "type": "uint256" },
+                    { "name": "signatures", "type": "bytes[]" }
                 ],
                 "name": "marketSellOrdersNoThrow",
                 "outputs": [
                     {
                         "components": [
-                            {
-                                "name": "makerAssetFilledAmount",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "takerAssetFilledAmount",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "makerFeePaid",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "takerFeePaid",
-                                "type": "uint256"
-                            }
+                            { "name": "makerAssetFilledAmount", "type": "uint256" },
+                            { "name": "takerAssetFilledAmount", "type": "uint256" },
+                            { "name": "makerFeePaid", "type": "uint256" },
+                            { "name": "takerFeePaid", "type": "uint256" }
                         ],
                         "name": "totalFillResults",
                         "type": "tuple"
@@ -1650,12 +741,7 @@
                 "constant": true,
                 "inputs": [],
                 "name": "EIP712_DOMAIN_HASH",
-                "outputs": [
-                    {
-                        "name": "",
-                        "type": "bytes32"
-                    }
-                ],
+                "outputs": [{ "name": "", "type": "bytes32" }],
                 "payable": false,
                 "stateMutability": "view",
                 "type": "function"
@@ -1665,87 +751,33 @@
                 "inputs": [
                     {
                         "components": [
-                            {
-                                "name": "makerAddress",
-                                "type": "address"
-                            },
-                            {
-                                "name": "takerAddress",
-                                "type": "address"
-                            },
-                            {
-                                "name": "feeRecipientAddress",
-                                "type": "address"
-                            },
-                            {
-                                "name": "senderAddress",
-                                "type": "address"
-                            },
-                            {
-                                "name": "makerAssetAmount",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "takerAssetAmount",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "makerFee",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "takerFee",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "expirationTimeSeconds",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "salt",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "makerAssetData",
-                                "type": "bytes"
-                            },
-                            {
-                                "name": "takerAssetData",
-                                "type": "bytes"
-                            }
+                            { "name": "makerAddress", "type": "address" },
+                            { "name": "takerAddress", "type": "address" },
+                            { "name": "feeRecipientAddress", "type": "address" },
+                            { "name": "senderAddress", "type": "address" },
+                            { "name": "makerAssetAmount", "type": "uint256" },
+                            { "name": "takerAssetAmount", "type": "uint256" },
+                            { "name": "makerFee", "type": "uint256" },
+                            { "name": "takerFee", "type": "uint256" },
+                            { "name": "expirationTimeSeconds", "type": "uint256" },
+                            { "name": "salt", "type": "uint256" },
+                            { "name": "makerAssetData", "type": "bytes" },
+                            { "name": "takerAssetData", "type": "bytes" }
                         ],
                         "name": "orders",
                         "type": "tuple[]"
                     },
-                    {
-                        "name": "makerAssetFillAmount",
-                        "type": "uint256"
-                    },
-                    {
-                        "name": "signatures",
-                        "type": "bytes[]"
-                    }
+                    { "name": "makerAssetFillAmount", "type": "uint256" },
+                    { "name": "signatures", "type": "bytes[]" }
                 ],
                 "name": "marketBuyOrders",
                 "outputs": [
                     {
                         "components": [
-                            {
-                                "name": "makerAssetFilledAmount",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "takerAssetFilledAmount",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "makerFeePaid",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "takerFeePaid",
-                                "type": "uint256"
-                            }
+                            { "name": "makerAssetFilledAmount", "type": "uint256" },
+                            { "name": "takerAssetFilledAmount", "type": "uint256" },
+                            { "name": "makerFeePaid", "type": "uint256" },
+                            { "name": "takerFeePaid", "type": "uint256" }
                         ],
                         "name": "totalFillResults",
                         "type": "tuple"
@@ -1759,24 +791,14 @@
                 "constant": true,
                 "inputs": [],
                 "name": "currentContextAddress",
-                "outputs": [
-                    {
-                        "name": "",
-                        "type": "address"
-                    }
-                ],
+                "outputs": [{ "name": "", "type": "address" }],
                 "payable": false,
                 "stateMutability": "view",
                 "type": "function"
             },
             {
                 "constant": false,
-                "inputs": [
-                    {
-                        "name": "newOwner",
-                        "type": "address"
-                    }
-                ],
+                "inputs": [{ "name": "newOwner", "type": "address" }],
                 "name": "transferOwnership",
                 "outputs": [],
                 "payable": false,
@@ -1787,23 +809,13 @@
                 "constant": true,
                 "inputs": [],
                 "name": "VERSION",
-                "outputs": [
-                    {
-                        "name": "",
-                        "type": "string"
-                    }
-                ],
+                "outputs": [{ "name": "", "type": "string" }],
                 "payable": false,
                 "stateMutability": "view",
                 "type": "function"
             },
             {
-                "inputs": [
-                    {
-                        "name": "_zrxAssetData",
-                        "type": "bytes"
-                    }
-                ],
+                "inputs": [{ "name": "_zrxAssetData", "type": "bytes" }],
                 "payable": false,
                 "stateMutability": "nonpayable",
                 "type": "constructor"
@@ -1811,21 +823,9 @@
             {
                 "anonymous": false,
                 "inputs": [
-                    {
-                        "indexed": true,
-                        "name": "signerAddress",
-                        "type": "address"
-                    },
-                    {
-                        "indexed": true,
-                        "name": "validatorAddress",
-                        "type": "address"
-                    },
-                    {
-                        "indexed": false,
-                        "name": "approved",
-                        "type": "bool"
-                    }
+                    { "indexed": true, "name": "signerAddress", "type": "address" },
+                    { "indexed": true, "name": "validatorAddress", "type": "address" },
+                    { "indexed": false, "name": "approved", "type": "bool" }
                 ],
                 "name": "SignatureValidatorApproval",
                 "type": "event"
@@ -1833,61 +833,17 @@
             {
                 "anonymous": false,
                 "inputs": [
-                    {
-                        "indexed": true,
-                        "name": "makerAddress",
-                        "type": "address"
-                    },
-                    {
-                        "indexed": true,
-                        "name": "feeRecipientAddress",
-                        "type": "address"
-                    },
-                    {
-                        "indexed": false,
-                        "name": "takerAddress",
-                        "type": "address"
-                    },
-                    {
-                        "indexed": false,
-                        "name": "senderAddress",
-                        "type": "address"
-                    },
-                    {
-                        "indexed": false,
-                        "name": "makerAssetFilledAmount",
-                        "type": "uint256"
-                    },
-                    {
-                        "indexed": false,
-                        "name": "takerAssetFilledAmount",
-                        "type": "uint256"
-                    },
-                    {
-                        "indexed": false,
-                        "name": "makerFeePaid",
-                        "type": "uint256"
-                    },
-                    {
-                        "indexed": false,
-                        "name": "takerFeePaid",
-                        "type": "uint256"
-                    },
-                    {
-                        "indexed": true,
-                        "name": "orderHash",
-                        "type": "bytes32"
-                    },
-                    {
-                        "indexed": false,
-                        "name": "makerAssetData",
-                        "type": "bytes"
-                    },
-                    {
-                        "indexed": false,
-                        "name": "takerAssetData",
-                        "type": "bytes"
-                    }
+                    { "indexed": true, "name": "makerAddress", "type": "address" },
+                    { "indexed": true, "name": "feeRecipientAddress", "type": "address" },
+                    { "indexed": false, "name": "takerAddress", "type": "address" },
+                    { "indexed": false, "name": "senderAddress", "type": "address" },
+                    { "indexed": false, "name": "makerAssetFilledAmount", "type": "uint256" },
+                    { "indexed": false, "name": "takerAssetFilledAmount", "type": "uint256" },
+                    { "indexed": false, "name": "makerFeePaid", "type": "uint256" },
+                    { "indexed": false, "name": "takerFeePaid", "type": "uint256" },
+                    { "indexed": true, "name": "orderHash", "type": "bytes32" },
+                    { "indexed": false, "name": "makerAssetData", "type": "bytes" },
+                    { "indexed": false, "name": "takerAssetData", "type": "bytes" }
                 ],
                 "name": "Fill",
                 "type": "event"
@@ -1895,36 +851,12 @@
             {
                 "anonymous": false,
                 "inputs": [
-                    {
-                        "indexed": true,
-                        "name": "makerAddress",
-                        "type": "address"
-                    },
-                    {
-                        "indexed": true,
-                        "name": "feeRecipientAddress",
-                        "type": "address"
-                    },
-                    {
-                        "indexed": false,
-                        "name": "senderAddress",
-                        "type": "address"
-                    },
-                    {
-                        "indexed": true,
-                        "name": "orderHash",
-                        "type": "bytes32"
-                    },
-                    {
-                        "indexed": false,
-                        "name": "makerAssetData",
-                        "type": "bytes"
-                    },
-                    {
-                        "indexed": false,
-                        "name": "takerAssetData",
-                        "type": "bytes"
-                    }
+                    { "indexed": true, "name": "makerAddress", "type": "address" },
+                    { "indexed": true, "name": "feeRecipientAddress", "type": "address" },
+                    { "indexed": false, "name": "senderAddress", "type": "address" },
+                    { "indexed": true, "name": "orderHash", "type": "bytes32" },
+                    { "indexed": false, "name": "makerAssetData", "type": "bytes" },
+                    { "indexed": false, "name": "takerAssetData", "type": "bytes" }
                 ],
                 "name": "Cancel",
                 "type": "event"
@@ -1932,21 +864,9 @@
             {
                 "anonymous": false,
                 "inputs": [
-                    {
-                        "indexed": true,
-                        "name": "makerAddress",
-                        "type": "address"
-                    },
-                    {
-                        "indexed": true,
-                        "name": "senderAddress",
-                        "type": "address"
-                    },
-                    {
-                        "indexed": false,
-                        "name": "orderEpoch",
-                        "type": "uint256"
-                    }
+                    { "indexed": true, "name": "makerAddress", "type": "address" },
+                    { "indexed": true, "name": "senderAddress", "type": "address" },
+                    { "indexed": false, "name": "orderEpoch", "type": "uint256" }
                 ],
                 "name": "CancelUpTo",
                 "type": "event"
@@ -1954,16 +874,8 @@
             {
                 "anonymous": false,
                 "inputs": [
-                    {
-                        "indexed": false,
-                        "name": "id",
-                        "type": "bytes4"
-                    },
-                    {
-                        "indexed": false,
-                        "name": "assetProxy",
-                        "type": "address"
-                    }
+                    { "indexed": false, "name": "id", "type": "bytes4" },
+                    { "indexed": false, "name": "assetProxy", "type": "address" }
                 ],
                 "name": "AssetProxyRegistered",
                 "type": "event"
@@ -1971,9 +883,7 @@
         ],
         "evm": {
             "bytecode": {
-                "linkReferences": {},
-                "object":
-                    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             }
         }
     },
diff --git a/packages/contract-artifacts/artifacts/Forwarder.json b/packages/contract-artifacts/artifacts/Forwarder.json
index a7bd62f8ec..4ad3d294b8 100644
--- a/packages/contract-artifacts/artifacts/Forwarder.json
+++ b/packages/contract-artifacts/artifacts/Forwarder.json
@@ -1,447 +1,195 @@
 {
-	"schemaVersion": "2.0.0",
-	"contractName": "Forwarder",
-	"compilerOutput": {
-		"abi": [
-			{
-				"constant": false,
-				"inputs": [
-					{
-						"components": [
-							{
-								"name": "makerAddress",
-								"type": "address"
-							},
-							{
-								"name": "takerAddress",
-								"type": "address"
-							},
-							{
-								"name": "feeRecipientAddress",
-								"type": "address"
-							},
-							{
-								"name": "senderAddress",
-								"type": "address"
-							},
-							{
-								"name": "makerAssetAmount",
-								"type": "uint256"
-							},
-							{
-								"name": "takerAssetAmount",
-								"type": "uint256"
-							},
-							{
-								"name": "makerFee",
-								"type": "uint256"
-							},
-							{
-								"name": "takerFee",
-								"type": "uint256"
-							},
-							{
-								"name": "expirationTimeSeconds",
-								"type": "uint256"
-							},
-							{
-								"name": "salt",
-								"type": "uint256"
-							},
-							{
-								"name": "makerAssetData",
-								"type": "bytes"
-							},
-							{
-								"name": "takerAssetData",
-								"type": "bytes"
-							}
-						],
-						"name": "orders",
-						"type": "tuple[]"
-					},
-					{
-						"name": "makerAssetFillAmount",
-						"type": "uint256"
-					},
-					{
-						"name": "signatures",
-						"type": "bytes[]"
-					},
-					{
-						"components": [
-							{
-								"name": "makerAddress",
-								"type": "address"
-							},
-							{
-								"name": "takerAddress",
-								"type": "address"
-							},
-							{
-								"name": "feeRecipientAddress",
-								"type": "address"
-							},
-							{
-								"name": "senderAddress",
-								"type": "address"
-							},
-							{
-								"name": "makerAssetAmount",
-								"type": "uint256"
-							},
-							{
-								"name": "takerAssetAmount",
-								"type": "uint256"
-							},
-							{
-								"name": "makerFee",
-								"type": "uint256"
-							},
-							{
-								"name": "takerFee",
-								"type": "uint256"
-							},
-							{
-								"name": "expirationTimeSeconds",
-								"type": "uint256"
-							},
-							{
-								"name": "salt",
-								"type": "uint256"
-							},
-							{
-								"name": "makerAssetData",
-								"type": "bytes"
-							},
-							{
-								"name": "takerAssetData",
-								"type": "bytes"
-							}
-						],
-						"name": "feeOrders",
-						"type": "tuple[]"
-					},
-					{
-						"name": "feeSignatures",
-						"type": "bytes[]"
-					},
-					{
-						"name": "feePercentage",
-						"type": "uint256"
-					},
-					{
-						"name": "feeRecipient",
-						"type": "address"
-					}
-				],
-				"name": "marketBuyOrdersWithEth",
-				"outputs": [
-					{
-						"components": [
-							{
-								"name": "makerAssetFilledAmount",
-								"type": "uint256"
-							},
-							{
-								"name": "takerAssetFilledAmount",
-								"type": "uint256"
-							},
-							{
-								"name": "makerFeePaid",
-								"type": "uint256"
-							},
-							{
-								"name": "takerFeePaid",
-								"type": "uint256"
-							}
-						],
-						"name": "orderFillResults",
-						"type": "tuple"
-					},
-					{
-						"components": [
-							{
-								"name": "makerAssetFilledAmount",
-								"type": "uint256"
-							},
-							{
-								"name": "takerAssetFilledAmount",
-								"type": "uint256"
-							},
-							{
-								"name": "makerFeePaid",
-								"type": "uint256"
-							},
-							{
-								"name": "takerFeePaid",
-								"type": "uint256"
-							}
-						],
-						"name": "feeOrderFillResults",
-						"type": "tuple"
-					}
-				],
-				"payable": true,
-				"stateMutability": "payable",
-				"type": "function"
-			},
-			{
-				"constant": false,
-				"inputs": [
-					{
-						"name": "assetData",
-						"type": "bytes"
-					},
-					{
-						"name": "amount",
-						"type": "uint256"
-					}
-				],
-				"name": "withdrawAsset",
-				"outputs": [],
-				"payable": false,
-				"stateMutability": "nonpayable",
-				"type": "function"
-			},
-			{
-				"constant": true,
-				"inputs": [],
-				"name": "owner",
-				"outputs": [
-					{
-						"name": "",
-						"type": "address"
-					}
-				],
-				"payable": false,
-				"stateMutability": "view",
-				"type": "function"
-			},
-			{
-				"constant": false,
-				"inputs": [
-					{
-						"components": [
-							{
-								"name": "makerAddress",
-								"type": "address"
-							},
-							{
-								"name": "takerAddress",
-								"type": "address"
-							},
-							{
-								"name": "feeRecipientAddress",
-								"type": "address"
-							},
-							{
-								"name": "senderAddress",
-								"type": "address"
-							},
-							{
-								"name": "makerAssetAmount",
-								"type": "uint256"
-							},
-							{
-								"name": "takerAssetAmount",
-								"type": "uint256"
-							},
-							{
-								"name": "makerFee",
-								"type": "uint256"
-							},
-							{
-								"name": "takerFee",
-								"type": "uint256"
-							},
-							{
-								"name": "expirationTimeSeconds",
-								"type": "uint256"
-							},
-							{
-								"name": "salt",
-								"type": "uint256"
-							},
-							{
-								"name": "makerAssetData",
-								"type": "bytes"
-							},
-							{
-								"name": "takerAssetData",
-								"type": "bytes"
-							}
-						],
-						"name": "orders",
-						"type": "tuple[]"
-					},
-					{
-						"name": "signatures",
-						"type": "bytes[]"
-					},
-					{
-						"components": [
-							{
-								"name": "makerAddress",
-								"type": "address"
-							},
-							{
-								"name": "takerAddress",
-								"type": "address"
-							},
-							{
-								"name": "feeRecipientAddress",
-								"type": "address"
-							},
-							{
-								"name": "senderAddress",
-								"type": "address"
-							},
-							{
-								"name": "makerAssetAmount",
-								"type": "uint256"
-							},
-							{
-								"name": "takerAssetAmount",
-								"type": "uint256"
-							},
-							{
-								"name": "makerFee",
-								"type": "uint256"
-							},
-							{
-								"name": "takerFee",
-								"type": "uint256"
-							},
-							{
-								"name": "expirationTimeSeconds",
-								"type": "uint256"
-							},
-							{
-								"name": "salt",
-								"type": "uint256"
-							},
-							{
-								"name": "makerAssetData",
-								"type": "bytes"
-							},
-							{
-								"name": "takerAssetData",
-								"type": "bytes"
-							}
-						],
-						"name": "feeOrders",
-						"type": "tuple[]"
-					},
-					{
-						"name": "feeSignatures",
-						"type": "bytes[]"
-					},
-					{
-						"name": "feePercentage",
-						"type": "uint256"
-					},
-					{
-						"name": "feeRecipient",
-						"type": "address"
-					}
-				],
-				"name": "marketSellOrdersWithEth",
-				"outputs": [
-					{
-						"components": [
-							{
-								"name": "makerAssetFilledAmount",
-								"type": "uint256"
-							},
-							{
-								"name": "takerAssetFilledAmount",
-								"type": "uint256"
-							},
-							{
-								"name": "makerFeePaid",
-								"type": "uint256"
-							},
-							{
-								"name": "takerFeePaid",
-								"type": "uint256"
-							}
-						],
-						"name": "orderFillResults",
-						"type": "tuple"
-					},
-					{
-						"components": [
-							{
-								"name": "makerAssetFilledAmount",
-								"type": "uint256"
-							},
-							{
-								"name": "takerAssetFilledAmount",
-								"type": "uint256"
-							},
-							{
-								"name": "makerFeePaid",
-								"type": "uint256"
-							},
-							{
-								"name": "takerFeePaid",
-								"type": "uint256"
-							}
-						],
-						"name": "feeOrderFillResults",
-						"type": "tuple"
-					}
-				],
-				"payable": true,
-				"stateMutability": "payable",
-				"type": "function"
-			},
-			{
-				"constant": false,
-				"inputs": [
-					{
-						"name": "newOwner",
-						"type": "address"
-					}
-				],
-				"name": "transferOwnership",
-				"outputs": [],
-				"payable": false,
-				"stateMutability": "nonpayable",
-				"type": "function"
-			},
-			{
-				"inputs": [
-					{
-						"name": "_exchange",
-						"type": "address"
-					},
-					{
-						"name": "_zrxAssetData",
-						"type": "bytes"
-					},
-					{
-						"name": "_wethAssetData",
-						"type": "bytes"
-					}
-				],
-				"payable": false,
-				"stateMutability": "nonpayable",
-				"type": "constructor"
-			},
-			{
-				"payable": true,
-				"stateMutability": "payable",
-				"type": "fallback"
-			}
-		],
-		"evm": {
-			"bytecode": {
-				"linkReferences": {},
+    "schemaVersion": "2.0.0",
+    "contractName": "Forwarder",
+    "compilerOutput": {
+        "abi": [
+            {
+                "constant": false,
+                "inputs": [
+                    {
+                        "components": [
+                            { "name": "makerAddress", "type": "address" },
+                            { "name": "takerAddress", "type": "address" },
+                            { "name": "feeRecipientAddress", "type": "address" },
+                            { "name": "senderAddress", "type": "address" },
+                            { "name": "makerAssetAmount", "type": "uint256" },
+                            { "name": "takerAssetAmount", "type": "uint256" },
+                            { "name": "makerFee", "type": "uint256" },
+                            { "name": "takerFee", "type": "uint256" },
+                            { "name": "expirationTimeSeconds", "type": "uint256" },
+                            { "name": "salt", "type": "uint256" },
+                            { "name": "makerAssetData", "type": "bytes" },
+                            { "name": "takerAssetData", "type": "bytes" }
+                        ],
+                        "name": "orders",
+                        "type": "tuple[]"
+                    },
+                    { "name": "makerAssetFillAmount", "type": "uint256" },
+                    { "name": "signatures", "type": "bytes[]" },
+                    {
+                        "components": [
+                            { "name": "makerAddress", "type": "address" },
+                            { "name": "takerAddress", "type": "address" },
+                            { "name": "feeRecipientAddress", "type": "address" },
+                            { "name": "senderAddress", "type": "address" },
+                            { "name": "makerAssetAmount", "type": "uint256" },
+                            { "name": "takerAssetAmount", "type": "uint256" },
+                            { "name": "makerFee", "type": "uint256" },
+                            { "name": "takerFee", "type": "uint256" },
+                            { "name": "expirationTimeSeconds", "type": "uint256" },
+                            { "name": "salt", "type": "uint256" },
+                            { "name": "makerAssetData", "type": "bytes" },
+                            { "name": "takerAssetData", "type": "bytes" }
+                        ],
+                        "name": "feeOrders",
+                        "type": "tuple[]"
+                    },
+                    { "name": "feeSignatures", "type": "bytes[]" },
+                    { "name": "feePercentage", "type": "uint256" },
+                    { "name": "feeRecipient", "type": "address" }
+                ],
+                "name": "marketBuyOrdersWithEth",
+                "outputs": [
+                    {
+                        "components": [
+                            { "name": "makerAssetFilledAmount", "type": "uint256" },
+                            { "name": "takerAssetFilledAmount", "type": "uint256" },
+                            { "name": "makerFeePaid", "type": "uint256" },
+                            { "name": "takerFeePaid", "type": "uint256" }
+                        ],
+                        "name": "orderFillResults",
+                        "type": "tuple"
+                    },
+                    {
+                        "components": [
+                            { "name": "makerAssetFilledAmount", "type": "uint256" },
+                            { "name": "takerAssetFilledAmount", "type": "uint256" },
+                            { "name": "makerFeePaid", "type": "uint256" },
+                            { "name": "takerFeePaid", "type": "uint256" }
+                        ],
+                        "name": "feeOrderFillResults",
+                        "type": "tuple"
+                    }
+                ],
+                "payable": true,
+                "stateMutability": "payable",
+                "type": "function"
+            },
+            {
+                "constant": false,
+                "inputs": [{ "name": "assetData", "type": "bytes" }, { "name": "amount", "type": "uint256" }],
+                "name": "withdrawAsset",
+                "outputs": [],
+                "payable": false,
+                "stateMutability": "nonpayable",
+                "type": "function"
+            },
+            {
+                "constant": true,
+                "inputs": [],
+                "name": "owner",
+                "outputs": [{ "name": "", "type": "address" }],
+                "payable": false,
+                "stateMutability": "view",
+                "type": "function"
+            },
+            {
+                "constant": false,
+                "inputs": [
+                    {
+                        "components": [
+                            { "name": "makerAddress", "type": "address" },
+                            { "name": "takerAddress", "type": "address" },
+                            { "name": "feeRecipientAddress", "type": "address" },
+                            { "name": "senderAddress", "type": "address" },
+                            { "name": "makerAssetAmount", "type": "uint256" },
+                            { "name": "takerAssetAmount", "type": "uint256" },
+                            { "name": "makerFee", "type": "uint256" },
+                            { "name": "takerFee", "type": "uint256" },
+                            { "name": "expirationTimeSeconds", "type": "uint256" },
+                            { "name": "salt", "type": "uint256" },
+                            { "name": "makerAssetData", "type": "bytes" },
+                            { "name": "takerAssetData", "type": "bytes" }
+                        ],
+                        "name": "orders",
+                        "type": "tuple[]"
+                    },
+                    { "name": "signatures", "type": "bytes[]" },
+                    {
+                        "components": [
+                            { "name": "makerAddress", "type": "address" },
+                            { "name": "takerAddress", "type": "address" },
+                            { "name": "feeRecipientAddress", "type": "address" },
+                            { "name": "senderAddress", "type": "address" },
+                            { "name": "makerAssetAmount", "type": "uint256" },
+                            { "name": "takerAssetAmount", "type": "uint256" },
+                            { "name": "makerFee", "type": "uint256" },
+                            { "name": "takerFee", "type": "uint256" },
+                            { "name": "expirationTimeSeconds", "type": "uint256" },
+                            { "name": "salt", "type": "uint256" },
+                            { "name": "makerAssetData", "type": "bytes" },
+                            { "name": "takerAssetData", "type": "bytes" }
+                        ],
+                        "name": "feeOrders",
+                        "type": "tuple[]"
+                    },
+                    { "name": "feeSignatures", "type": "bytes[]" },
+                    { "name": "feePercentage", "type": "uint256" },
+                    { "name": "feeRecipient", "type": "address" }
+                ],
+                "name": "marketSellOrdersWithEth",
+                "outputs": [
+                    {
+                        "components": [
+                            { "name": "makerAssetFilledAmount", "type": "uint256" },
+                            { "name": "takerAssetFilledAmount", "type": "uint256" },
+                            { "name": "makerFeePaid", "type": "uint256" },
+                            { "name": "takerFeePaid", "type": "uint256" }
+                        ],
+                        "name": "orderFillResults",
+                        "type": "tuple"
+                    },
+                    {
+                        "components": [
+                            { "name": "makerAssetFilledAmount", "type": "uint256" },
+                            { "name": "takerAssetFilledAmount", "type": "uint256" },
+                            { "name": "makerFeePaid", "type": "uint256" },
+                            { "name": "takerFeePaid", "type": "uint256" }
+                        ],
+                        "name": "feeOrderFillResults",
+                        "type": "tuple"
+                    }
+                ],
+                "payable": true,
+                "stateMutability": "payable",
+                "type": "function"
+            },
+            {
+                "constant": false,
+                "inputs": [{ "name": "newOwner", "type": "address" }],
+                "name": "transferOwnership",
+                "outputs": [],
+                "payable": false,
+                "stateMutability": "nonpayable",
+                "type": "function"
+            },
+            {
+                "inputs": [
+                    { "name": "_exchange", "type": "address" },
+                    { "name": "_zrxAssetData", "type": "bytes" },
+                    { "name": "_wethAssetData", "type": "bytes" }
+                ],
+                "payable": false,
+                "stateMutability": "nonpayable",
+                "type": "constructor"
+            },
+            { "payable": true, "stateMutability": "payable", "type": "fallback" }
+        ],
+        "evm": {
+            "bytecode": {
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             }
         }
     },
-	"networks": {}
-}
\ No newline at end of file
+    "networks": {}
+}
diff --git a/packages/contract-artifacts/artifacts/IAssetProxy.json b/packages/contract-artifacts/artifacts/IAssetProxy.json
index b0fed45774..7d5914d0fa 100644
--- a/packages/contract-artifacts/artifacts/IAssetProxy.json
+++ b/packages/contract-artifacts/artifacts/IAssetProxy.json
@@ -1,129 +1,78 @@
 {
-	"schemaVersion": "2.0.0",
-	"contractName": "IAssetProxy",
-	"compilerOutput": {
-		"abi": [
-			{
-				"constant": false,
-				"inputs": [
-					{
-						"name": "target",
-						"type": "address"
-					}
-				],
-				"name": "addAuthorizedAddress",
-				"outputs": [],
-				"payable": false,
-				"stateMutability": "nonpayable",
-				"type": "function"
-			},
-			{
-				"constant": false,
-				"inputs": [
-					{
-						"name": "target",
-						"type": "address"
-					}
-				],
-				"name": "removeAuthorizedAddress",
-				"outputs": [],
-				"payable": false,
-				"stateMutability": "nonpayable",
-				"type": "function"
-			},
-			{
-				"constant": false,
-				"inputs": [
-					{
-						"name": "target",
-						"type": "address"
-					},
-					{
-						"name": "index",
-						"type": "uint256"
-					}
-				],
-				"name": "removeAuthorizedAddressAtIndex",
-				"outputs": [],
-				"payable": false,
-				"stateMutability": "nonpayable",
-				"type": "function"
-			},
-			{
-				"constant": false,
-				"inputs": [
-					{
-						"name": "assetData",
-						"type": "bytes"
-					},
-					{
-						"name": "from",
-						"type": "address"
-					},
-					{
-						"name": "to",
-						"type": "address"
-					},
-					{
-						"name": "amount",
-						"type": "uint256"
-					}
-				],
-				"name": "transferFrom",
-				"outputs": [],
-				"payable": false,
-				"stateMutability": "nonpayable",
-				"type": "function"
-			},
-			{
-				"constant": true,
-				"inputs": [],
-				"name": "getProxyId",
-				"outputs": [
-					{
-						"name": "",
-						"type": "bytes4"
-					}
-				],
-				"payable": false,
-				"stateMutability": "pure",
-				"type": "function"
-			},
-			{
-				"constant": true,
-				"inputs": [],
-				"name": "getAuthorizedAddresses",
-				"outputs": [
-					{
-						"name": "",
-						"type": "address[]"
-					}
-				],
-				"payable": false,
-				"stateMutability": "view",
-				"type": "function"
-			},
-			{
-				"constant": false,
-				"inputs": [
-					{
-						"name": "newOwner",
-						"type": "address"
-					}
-				],
-				"name": "transferOwnership",
-				"outputs": [],
-				"payable": false,
-				"stateMutability": "nonpayable",
-				"type": "function"
-			}
-		],
-		"evm": {
-			"bytecode": {
-				"linkReferences": {},
-				"object": "0x"
-			}
-		}
-	},
-	"networks": {}
+    "schemaVersion": "2.0.0",
+    "contractName": "IAssetProxy",
+    "compilerOutput": {
+        "abi": [
+            {
+                "constant": false,
+                "inputs": [{ "name": "target", "type": "address" }],
+                "name": "addAuthorizedAddress",
+                "outputs": [],
+                "payable": false,
+                "stateMutability": "nonpayable",
+                "type": "function"
+            },
+            {
+                "constant": false,
+                "inputs": [{ "name": "target", "type": "address" }],
+                "name": "removeAuthorizedAddress",
+                "outputs": [],
+                "payable": false,
+                "stateMutability": "nonpayable",
+                "type": "function"
+            },
+            {
+                "constant": false,
+                "inputs": [{ "name": "target", "type": "address" }, { "name": "index", "type": "uint256" }],
+                "name": "removeAuthorizedAddressAtIndex",
+                "outputs": [],
+                "payable": false,
+                "stateMutability": "nonpayable",
+                "type": "function"
+            },
+            {
+                "constant": false,
+                "inputs": [
+                    { "name": "assetData", "type": "bytes" },
+                    { "name": "from", "type": "address" },
+                    { "name": "to", "type": "address" },
+                    { "name": "amount", "type": "uint256" }
+                ],
+                "name": "transferFrom",
+                "outputs": [],
+                "payable": false,
+                "stateMutability": "nonpayable",
+                "type": "function"
+            },
+            {
+                "constant": true,
+                "inputs": [],
+                "name": "getProxyId",
+                "outputs": [{ "name": "", "type": "bytes4" }],
+                "payable": false,
+                "stateMutability": "pure",
+                "type": "function"
+            },
+            {
+                "constant": true,
+                "inputs": [],
+                "name": "getAuthorizedAddresses",
+                "outputs": [{ "name": "", "type": "address[]" }],
+                "payable": false,
+                "stateMutability": "view",
+                "type": "function"
+            },
+            {
+                "constant": false,
+                "inputs": [{ "name": "newOwner", "type": "address" }],
+                "name": "transferOwnership",
+                "outputs": [],
+                "payable": false,
+                "stateMutability": "nonpayable",
+                "type": "function"
+            }
+        ],
+        "evm": { "bytecode": { "object": "0x" } }
+    },
+    "networks": {}
 }
diff --git a/packages/contract-artifacts/artifacts/IValidator.json b/packages/contract-artifacts/artifacts/IValidator.json
index 8ca99f261a..c8cea881e1 100644
--- a/packages/contract-artifacts/artifacts/IValidator.json
+++ b/packages/contract-artifacts/artifacts/IValidator.json
@@ -6,36 +6,18 @@
             {
                 "constant": true,
                 "inputs": [
-                    {
-                        "name": "hash",
-                        "type": "bytes32"
-                    },
-                    {
-                        "name": "signerAddress",
-                        "type": "address"
-                    },
-                    {
-                        "name": "signature",
-                        "type": "bytes"
-                    }
+                    { "name": "hash", "type": "bytes32" },
+                    { "name": "signerAddress", "type": "address" },
+                    { "name": "signature", "type": "bytes" }
                 ],
                 "name": "isValidSignature",
-                "outputs": [
-                    {
-                        "name": "isValid",
-                        "type": "bool"
-                    }
-                ],
+                "outputs": [{ "name": "isValid", "type": "bool" }],
                 "payable": false,
                 "stateMutability": "view",
                 "type": "function"
             }
         ],
-        "evm": {
-            "bytecode": {
-                "object": "0x"
-            }
-        }
+        "evm": { "bytecode": { "object": "0x" } }
     },
     "networks": {}
 }
diff --git a/packages/contract-artifacts/artifacts/IWallet.json b/packages/contract-artifacts/artifacts/IWallet.json
index 2a8f975cc1..204ebb9a5f 100644
--- a/packages/contract-artifacts/artifacts/IWallet.json
+++ b/packages/contract-artifacts/artifacts/IWallet.json
@@ -5,33 +5,15 @@
         "abi": [
             {
                 "constant": true,
-                "inputs": [
-                    {
-                        "name": "hash",
-                        "type": "bytes32"
-                    },
-                    {
-                        "name": "signature",
-                        "type": "bytes"
-                    }
-                ],
+                "inputs": [{ "name": "hash", "type": "bytes32" }, { "name": "signature", "type": "bytes" }],
                 "name": "isValidSignature",
-                "outputs": [
-                    {
-                        "name": "isValid",
-                        "type": "bool"
-                    }
-                ],
+                "outputs": [{ "name": "isValid", "type": "bool" }],
                 "payable": false,
                 "stateMutability": "view",
                 "type": "function"
             }
         ],
-        "evm": {
-            "bytecode": {
-                "object": "0x"
-            }
-        }
+        "evm": { "bytecode": { "object": "0x" } }
     },
     "networks": {}
 }
diff --git a/packages/contract-artifacts/artifacts/MultiAssetProxy.json b/packages/contract-artifacts/artifacts/MultiAssetProxy.json
index f143cd8174..e0d6672e8d 100644
--- a/packages/contract-artifacts/artifacts/MultiAssetProxy.json
+++ b/packages/contract-artifacts/artifacts/MultiAssetProxy.json
@@ -5,31 +5,16 @@
         "abi": [
             {
                 "constant": true,
-                "inputs": [
-                    {
-                        "name": "",
-                        "type": "bytes4"
-                    }
-                ],
+                "inputs": [{ "name": "", "type": "bytes4" }],
                 "name": "assetProxies",
-                "outputs": [
-                    {
-                        "name": "",
-                        "type": "address"
-                    }
-                ],
+                "outputs": [{ "name": "", "type": "address" }],
                 "payable": false,
                 "stateMutability": "view",
                 "type": "function"
             },
             {
                 "constant": false,
-                "inputs": [
-                    {
-                        "name": "target",
-                        "type": "address"
-                    }
-                ],
+                "inputs": [{ "name": "target", "type": "address" }],
                 "name": "addAuthorizedAddress",
                 "outputs": [],
                 "payable": false,
@@ -38,50 +23,25 @@
             },
             {
                 "constant": true,
-                "inputs": [
-                    {
-                        "name": "",
-                        "type": "uint256"
-                    }
-                ],
+                "inputs": [{ "name": "", "type": "uint256" }],
                 "name": "authorities",
-                "outputs": [
-                    {
-                        "name": "",
-                        "type": "address"
-                    }
-                ],
+                "outputs": [{ "name": "", "type": "address" }],
                 "payable": false,
                 "stateMutability": "view",
                 "type": "function"
             },
             {
                 "constant": true,
-                "inputs": [
-                    {
-                        "name": "assetProxyId",
-                        "type": "bytes4"
-                    }
-                ],
+                "inputs": [{ "name": "assetProxyId", "type": "bytes4" }],
                 "name": "getAssetProxy",
-                "outputs": [
-                    {
-                        "name": "",
-                        "type": "address"
-                    }
-                ],
+                "outputs": [{ "name": "", "type": "address" }],
                 "payable": false,
                 "stateMutability": "view",
                 "type": "function"
             },
             {
                 "constant": false,
-                "inputs": [
-                    {
-                        "name": "target",
-                        "type": "address"
-                    }
-                ],
+                "inputs": [{ "name": "target", "type": "address" }],
                 "name": "removeAuthorizedAddress",
                 "outputs": [],
                 "payable": false,
@@ -92,28 +52,14 @@
                 "constant": true,
                 "inputs": [],
                 "name": "owner",
-                "outputs": [
-                    {
-                        "name": "",
-                        "type": "address"
-                    }
-                ],
+                "outputs": [{ "name": "", "type": "address" }],
                 "payable": false,
                 "stateMutability": "view",
                 "type": "function"
             },
             {
                 "constant": false,
-                "inputs": [
-                    {
-                        "name": "target",
-                        "type": "address"
-                    },
-                    {
-                        "name": "index",
-                        "type": "uint256"
-                    }
-                ],
+                "inputs": [{ "name": "target", "type": "address" }, { "name": "index", "type": "uint256" }],
                 "name": "removeAuthorizedAddressAtIndex",
                 "outputs": [],
                 "payable": false,
@@ -124,43 +70,23 @@
                 "constant": true,
                 "inputs": [],
                 "name": "getProxyId",
-                "outputs": [
-                    {
-                        "name": "",
-                        "type": "bytes4"
-                    }
-                ],
+                "outputs": [{ "name": "", "type": "bytes4" }],
                 "payable": false,
                 "stateMutability": "pure",
                 "type": "function"
             },
             {
                 "constant": true,
-                "inputs": [
-                    {
-                        "name": "",
-                        "type": "address"
-                    }
-                ],
+                "inputs": [{ "name": "", "type": "address" }],
                 "name": "authorized",
-                "outputs": [
-                    {
-                        "name": "",
-                        "type": "bool"
-                    }
-                ],
+                "outputs": [{ "name": "", "type": "bool" }],
                 "payable": false,
                 "stateMutability": "view",
                 "type": "function"
             },
             {
                 "constant": false,
-                "inputs": [
-                    {
-                        "name": "assetProxy",
-                        "type": "address"
-                    }
-                ],
+                "inputs": [{ "name": "assetProxy", "type": "address" }],
                 "name": "registerAssetProxy",
                 "outputs": [],
                 "payable": false,
@@ -171,48 +97,26 @@
                 "constant": true,
                 "inputs": [],
                 "name": "getAuthorizedAddresses",
-                "outputs": [
-                    {
-                        "name": "",
-                        "type": "address[]"
-                    }
-                ],
+                "outputs": [{ "name": "", "type": "address[]" }],
                 "payable": false,
                 "stateMutability": "view",
                 "type": "function"
             },
             {
                 "constant": false,
-                "inputs": [
-                    {
-                        "name": "newOwner",
-                        "type": "address"
-                    }
-                ],
+                "inputs": [{ "name": "newOwner", "type": "address" }],
                 "name": "transferOwnership",
                 "outputs": [],
                 "payable": false,
                 "stateMutability": "nonpayable",
                 "type": "function"
             },
-            {
-                "payable": false,
-                "stateMutability": "nonpayable",
-                "type": "fallback"
-            },
+            { "payable": false, "stateMutability": "nonpayable", "type": "fallback" },
             {
                 "anonymous": false,
                 "inputs": [
-                    {
-                        "indexed": true,
-                        "name": "target",
-                        "type": "address"
-                    },
-                    {
-                        "indexed": true,
-                        "name": "caller",
-                        "type": "address"
-                    }
+                    { "indexed": true, "name": "target", "type": "address" },
+                    { "indexed": true, "name": "caller", "type": "address" }
                 ],
                 "name": "AuthorizedAddressAdded",
                 "type": "event"
@@ -220,16 +124,8 @@
             {
                 "anonymous": false,
                 "inputs": [
-                    {
-                        "indexed": true,
-                        "name": "target",
-                        "type": "address"
-                    },
-                    {
-                        "indexed": true,
-                        "name": "caller",
-                        "type": "address"
-                    }
+                    { "indexed": true, "name": "target", "type": "address" },
+                    { "indexed": true, "name": "caller", "type": "address" }
                 ],
                 "name": "AuthorizedAddressRemoved",
                 "type": "event"
@@ -237,16 +133,8 @@
             {
                 "anonymous": false,
                 "inputs": [
-                    {
-                        "indexed": false,
-                        "name": "id",
-                        "type": "bytes4"
-                    },
-                    {
-                        "indexed": false,
-                        "name": "assetProxy",
-                        "type": "address"
-                    }
+                    { "indexed": false, "name": "id", "type": "bytes4" },
+                    { "indexed": false, "name": "assetProxy", "type": "address" }
                 ],
                 "name": "AssetProxyRegistered",
                 "type": "event"
@@ -254,7 +142,6 @@
         ],
         "evm": {
             "bytecode": {
-                "linkReferences": {},
                 "object": 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             }
         }
diff --git a/packages/contract-artifacts/artifacts/OrderValidator.json b/packages/contract-artifacts/artifacts/OrderValidator.json
index 90a92e7cb8..52d4f7c500 100644
--- a/packages/contract-artifacts/artifacts/OrderValidator.json
+++ b/packages/contract-artifacts/artifacts/OrderValidator.json
@@ -8,117 +8,45 @@
                 "inputs": [
                     {
                         "components": [
-                            {
-                                "name": "makerAddress",
-                                "type": "address"
-                            },
-                            {
-                                "name": "takerAddress",
-                                "type": "address"
-                            },
-                            {
-                                "name": "feeRecipientAddress",
-                                "type": "address"
-                            },
-                            {
-                                "name": "senderAddress",
-                                "type": "address"
-                            },
-                            {
-                                "name": "makerAssetAmount",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "takerAssetAmount",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "makerFee",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "takerFee",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "expirationTimeSeconds",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "salt",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "makerAssetData",
-                                "type": "bytes"
-                            },
-                            {
-                                "name": "takerAssetData",
-                                "type": "bytes"
-                            }
+                            { "name": "makerAddress", "type": "address" },
+                            { "name": "takerAddress", "type": "address" },
+                            { "name": "feeRecipientAddress", "type": "address" },
+                            { "name": "senderAddress", "type": "address" },
+                            { "name": "makerAssetAmount", "type": "uint256" },
+                            { "name": "takerAssetAmount", "type": "uint256" },
+                            { "name": "makerFee", "type": "uint256" },
+                            { "name": "takerFee", "type": "uint256" },
+                            { "name": "expirationTimeSeconds", "type": "uint256" },
+                            { "name": "salt", "type": "uint256" },
+                            { "name": "makerAssetData", "type": "bytes" },
+                            { "name": "takerAssetData", "type": "bytes" }
                         ],
                         "name": "order",
                         "type": "tuple"
                     },
-                    {
-                        "name": "takerAddress",
-                        "type": "address"
-                    }
+                    { "name": "takerAddress", "type": "address" }
                 ],
                 "name": "getOrderAndTraderInfo",
                 "outputs": [
                     {
                         "components": [
-                            {
-                                "name": "orderStatus",
-                                "type": "uint8"
-                            },
-                            {
-                                "name": "orderHash",
-                                "type": "bytes32"
-                            },
-                            {
-                                "name": "orderTakerAssetFilledAmount",
-                                "type": "uint256"
-                            }
+                            { "name": "orderStatus", "type": "uint8" },
+                            { "name": "orderHash", "type": "bytes32" },
+                            { "name": "orderTakerAssetFilledAmount", "type": "uint256" }
                         ],
                         "name": "orderInfo",
                         "type": "tuple"
                     },
                     {
                         "components": [
-                            {
-                                "name": "makerBalance",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "makerAllowance",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "takerBalance",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "takerAllowance",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "makerZrxBalance",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "makerZrxAllowance",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "takerZrxBalance",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "takerZrxAllowance",
-                                "type": "uint256"
-                            }
+                            { "name": "makerBalance", "type": "uint256" },
+                            { "name": "makerAllowance", "type": "uint256" },
+                            { "name": "takerBalance", "type": "uint256" },
+                            { "name": "takerAllowance", "type": "uint256" },
+                            { "name": "makerZrxBalance", "type": "uint256" },
+                            { "name": "makerZrxAllowance", "type": "uint256" },
+                            { "name": "takerZrxBalance", "type": "uint256" },
+                            { "name": "takerZrxAllowance", "type": "uint256" }
                         ],
                         "name": "traderInfo",
                         "type": "tuple"
@@ -130,27 +58,9 @@
             },
             {
                 "constant": true,
-                "inputs": [
-                    {
-                        "name": "target",
-                        "type": "address"
-                    },
-                    {
-                        "name": "assetData",
-                        "type": "bytes"
-                    }
-                ],
+                "inputs": [{ "name": "target", "type": "address" }, { "name": "assetData", "type": "bytes" }],
                 "name": "getBalanceAndAllowance",
-                "outputs": [
-                    {
-                        "name": "balance",
-                        "type": "uint256"
-                    },
-                    {
-                        "name": "allowance",
-                        "type": "uint256"
-                    }
-                ],
+                "outputs": [{ "name": "balance", "type": "uint256" }, { "name": "allowance", "type": "uint256" }],
                 "payable": false,
                 "stateMutability": "view",
                 "type": "function"
@@ -160,117 +70,45 @@
                 "inputs": [
                     {
                         "components": [
-                            {
-                                "name": "makerAddress",
-                                "type": "address"
-                            },
-                            {
-                                "name": "takerAddress",
-                                "type": "address"
-                            },
-                            {
-                                "name": "feeRecipientAddress",
-                                "type": "address"
-                            },
-                            {
-                                "name": "senderAddress",
-                                "type": "address"
-                            },
-                            {
-                                "name": "makerAssetAmount",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "takerAssetAmount",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "makerFee",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "takerFee",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "expirationTimeSeconds",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "salt",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "makerAssetData",
-                                "type": "bytes"
-                            },
-                            {
-                                "name": "takerAssetData",
-                                "type": "bytes"
-                            }
+                            { "name": "makerAddress", "type": "address" },
+                            { "name": "takerAddress", "type": "address" },
+                            { "name": "feeRecipientAddress", "type": "address" },
+                            { "name": "senderAddress", "type": "address" },
+                            { "name": "makerAssetAmount", "type": "uint256" },
+                            { "name": "takerAssetAmount", "type": "uint256" },
+                            { "name": "makerFee", "type": "uint256" },
+                            { "name": "takerFee", "type": "uint256" },
+                            { "name": "expirationTimeSeconds", "type": "uint256" },
+                            { "name": "salt", "type": "uint256" },
+                            { "name": "makerAssetData", "type": "bytes" },
+                            { "name": "takerAssetData", "type": "bytes" }
                         ],
                         "name": "orders",
                         "type": "tuple[]"
                     },
-                    {
-                        "name": "takerAddresses",
-                        "type": "address[]"
-                    }
+                    { "name": "takerAddresses", "type": "address[]" }
                 ],
                 "name": "getOrdersAndTradersInfo",
                 "outputs": [
                     {
                         "components": [
-                            {
-                                "name": "orderStatus",
-                                "type": "uint8"
-                            },
-                            {
-                                "name": "orderHash",
-                                "type": "bytes32"
-                            },
-                            {
-                                "name": "orderTakerAssetFilledAmount",
-                                "type": "uint256"
-                            }
+                            { "name": "orderStatus", "type": "uint8" },
+                            { "name": "orderHash", "type": "bytes32" },
+                            { "name": "orderTakerAssetFilledAmount", "type": "uint256" }
                         ],
                         "name": "ordersInfo",
                         "type": "tuple[]"
                     },
                     {
                         "components": [
-                            {
-                                "name": "makerBalance",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "makerAllowance",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "takerBalance",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "takerAllowance",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "makerZrxBalance",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "makerZrxAllowance",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "takerZrxBalance",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "takerZrxAllowance",
-                                "type": "uint256"
-                            }
+                            { "name": "makerBalance", "type": "uint256" },
+                            { "name": "makerAllowance", "type": "uint256" },
+                            { "name": "takerBalance", "type": "uint256" },
+                            { "name": "takerAllowance", "type": "uint256" },
+                            { "name": "makerZrxBalance", "type": "uint256" },
+                            { "name": "makerZrxAllowance", "type": "uint256" },
+                            { "name": "takerZrxBalance", "type": "uint256" },
+                            { "name": "takerZrxAllowance", "type": "uint256" }
                         ],
                         "name": "tradersInfo",
                         "type": "tuple[]"
@@ -285,99 +123,36 @@
                 "inputs": [
                     {
                         "components": [
-                            {
-                                "name": "makerAddress",
-                                "type": "address"
-                            },
-                            {
-                                "name": "takerAddress",
-                                "type": "address"
-                            },
-                            {
-                                "name": "feeRecipientAddress",
-                                "type": "address"
-                            },
-                            {
-                                "name": "senderAddress",
-                                "type": "address"
-                            },
-                            {
-                                "name": "makerAssetAmount",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "takerAssetAmount",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "makerFee",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "takerFee",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "expirationTimeSeconds",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "salt",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "makerAssetData",
-                                "type": "bytes"
-                            },
-                            {
-                                "name": "takerAssetData",
-                                "type": "bytes"
-                            }
+                            { "name": "makerAddress", "type": "address" },
+                            { "name": "takerAddress", "type": "address" },
+                            { "name": "feeRecipientAddress", "type": "address" },
+                            { "name": "senderAddress", "type": "address" },
+                            { "name": "makerAssetAmount", "type": "uint256" },
+                            { "name": "takerAssetAmount", "type": "uint256" },
+                            { "name": "makerFee", "type": "uint256" },
+                            { "name": "takerFee", "type": "uint256" },
+                            { "name": "expirationTimeSeconds", "type": "uint256" },
+                            { "name": "salt", "type": "uint256" },
+                            { "name": "makerAssetData", "type": "bytes" },
+                            { "name": "takerAssetData", "type": "bytes" }
                         ],
                         "name": "orders",
                         "type": "tuple[]"
                     },
-                    {
-                        "name": "takerAddresses",
-                        "type": "address[]"
-                    }
+                    { "name": "takerAddresses", "type": "address[]" }
                 ],
                 "name": "getTradersInfo",
                 "outputs": [
                     {
                         "components": [
-                            {
-                                "name": "makerBalance",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "makerAllowance",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "takerBalance",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "takerAllowance",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "makerZrxBalance",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "makerZrxAllowance",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "takerZrxBalance",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "takerZrxAllowance",
-                                "type": "uint256"
-                            }
+                            { "name": "makerBalance", "type": "uint256" },
+                            { "name": "makerAllowance", "type": "uint256" },
+                            { "name": "takerBalance", "type": "uint256" },
+                            { "name": "takerAllowance", "type": "uint256" },
+                            { "name": "makerZrxBalance", "type": "uint256" },
+                            { "name": "makerZrxAllowance", "type": "uint256" },
+                            { "name": "takerZrxBalance", "type": "uint256" },
+                            { "name": "takerZrxAllowance", "type": "uint256" }
                         ],
                         "name": "",
                         "type": "tuple[]"
@@ -389,50 +164,18 @@
             },
             {
                 "constant": true,
-                "inputs": [
-                    {
-                        "name": "token",
-                        "type": "address"
-                    },
-                    {
-                        "name": "tokenId",
-                        "type": "uint256"
-                    }
-                ],
+                "inputs": [{ "name": "token", "type": "address" }, { "name": "tokenId", "type": "uint256" }],
                 "name": "getERC721TokenOwner",
-                "outputs": [
-                    {
-                        "name": "owner",
-                        "type": "address"
-                    }
-                ],
+                "outputs": [{ "name": "owner", "type": "address" }],
                 "payable": false,
                 "stateMutability": "view",
                 "type": "function"
             },
             {
                 "constant": true,
-                "inputs": [
-                    {
-                        "name": "target",
-                        "type": "address"
-                    },
-                    {
-                        "name": "assetData",
-                        "type": "bytes[]"
-                    }
-                ],
+                "inputs": [{ "name": "target", "type": "address" }, { "name": "assetData", "type": "bytes[]" }],
                 "name": "getBalancesAndAllowances",
-                "outputs": [
-                    {
-                        "name": "",
-                        "type": "uint256[]"
-                    },
-                    {
-                        "name": "",
-                        "type": "uint256[]"
-                    }
-                ],
+                "outputs": [{ "name": "", "type": "uint256[]" }, { "name": "", "type": "uint256[]" }],
                 "payable": false,
                 "stateMutability": "view",
                 "type": "function"
@@ -442,99 +185,36 @@
                 "inputs": [
                     {
                         "components": [
-                            {
-                                "name": "makerAddress",
-                                "type": "address"
-                            },
-                            {
-                                "name": "takerAddress",
-                                "type": "address"
-                            },
-                            {
-                                "name": "feeRecipientAddress",
-                                "type": "address"
-                            },
-                            {
-                                "name": "senderAddress",
-                                "type": "address"
-                            },
-                            {
-                                "name": "makerAssetAmount",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "takerAssetAmount",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "makerFee",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "takerFee",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "expirationTimeSeconds",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "salt",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "makerAssetData",
-                                "type": "bytes"
-                            },
-                            {
-                                "name": "takerAssetData",
-                                "type": "bytes"
-                            }
+                            { "name": "makerAddress", "type": "address" },
+                            { "name": "takerAddress", "type": "address" },
+                            { "name": "feeRecipientAddress", "type": "address" },
+                            { "name": "senderAddress", "type": "address" },
+                            { "name": "makerAssetAmount", "type": "uint256" },
+                            { "name": "takerAssetAmount", "type": "uint256" },
+                            { "name": "makerFee", "type": "uint256" },
+                            { "name": "takerFee", "type": "uint256" },
+                            { "name": "expirationTimeSeconds", "type": "uint256" },
+                            { "name": "salt", "type": "uint256" },
+                            { "name": "makerAssetData", "type": "bytes" },
+                            { "name": "takerAssetData", "type": "bytes" }
                         ],
                         "name": "order",
                         "type": "tuple"
                     },
-                    {
-                        "name": "takerAddress",
-                        "type": "address"
-                    }
+                    { "name": "takerAddress", "type": "address" }
                 ],
                 "name": "getTraderInfo",
                 "outputs": [
                     {
                         "components": [
-                            {
-                                "name": "makerBalance",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "makerAllowance",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "takerBalance",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "takerAllowance",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "makerZrxBalance",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "makerZrxAllowance",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "takerZrxBalance",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "takerZrxAllowance",
-                                "type": "uint256"
-                            }
+                            { "name": "makerBalance", "type": "uint256" },
+                            { "name": "makerAllowance", "type": "uint256" },
+                            { "name": "takerBalance", "type": "uint256" },
+                            { "name": "takerAllowance", "type": "uint256" },
+                            { "name": "makerZrxBalance", "type": "uint256" },
+                            { "name": "makerZrxAllowance", "type": "uint256" },
+                            { "name": "takerZrxBalance", "type": "uint256" },
+                            { "name": "takerZrxAllowance", "type": "uint256" }
                         ],
                         "name": "traderInfo",
                         "type": "tuple"
@@ -545,16 +225,7 @@
                 "type": "function"
             },
             {
-                "inputs": [
-                    {
-                        "name": "_exchange",
-                        "type": "address"
-                    },
-                    {
-                        "name": "_zrxAssetData",
-                        "type": "bytes"
-                    }
-                ],
+                "inputs": [{ "name": "_exchange", "type": "address" }, { "name": "_zrxAssetData", "type": "bytes" }],
                 "payable": false,
                 "stateMutability": "nonpayable",
                 "type": "constructor"
@@ -562,9 +233,7 @@
         ],
         "evm": {
             "bytecode": {
-                "linkReferences": {},
-                "object":
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             }
         }
     },
diff --git a/packages/contract-artifacts/artifacts/WETH9.json b/packages/contract-artifacts/artifacts/WETH9.json
index e6ce25f7d2..e13bb18f01 100644
--- a/packages/contract-artifacts/artifacts/WETH9.json
+++ b/packages/contract-artifacts/artifacts/WETH9.json
@@ -7,35 +7,16 @@
                 "constant": true,
                 "inputs": [],
                 "name": "name",
-                "outputs": [
-                    {
-                        "name": "",
-                        "type": "string"
-                    }
-                ],
+                "outputs": [{ "name": "", "type": "string" }],
                 "payable": false,
                 "stateMutability": "view",
                 "type": "function"
             },
             {
                 "constant": false,
-                "inputs": [
-                    {
-                        "name": "guy",
-                        "type": "address"
-                    },
-                    {
-                        "name": "wad",
-                        "type": "uint256"
-                    }
-                ],
+                "inputs": [{ "name": "guy", "type": "address" }, { "name": "wad", "type": "uint256" }],
                 "name": "approve",
-                "outputs": [
-                    {
-                        "name": "",
-                        "type": "bool"
-                    }
-                ],
+                "outputs": [{ "name": "", "type": "bool" }],
                 "payable": false,
                 "stateMutability": "nonpayable",
                 "type": "function"
@@ -44,12 +25,7 @@
                 "constant": true,
                 "inputs": [],
                 "name": "totalSupply",
-                "outputs": [
-                    {
-                        "name": "",
-                        "type": "uint256"
-                    }
-                ],
+                "outputs": [{ "name": "", "type": "uint256" }],
                 "payable": false,
                 "stateMutability": "view",
                 "type": "function"
@@ -57,38 +33,19 @@
             {
                 "constant": false,
                 "inputs": [
-                    {
-                        "name": "src",
-                        "type": "address"
-                    },
-                    {
-                        "name": "dst",
-                        "type": "address"
-                    },
-                    {
-                        "name": "wad",
-                        "type": "uint256"
-                    }
+                    { "name": "src", "type": "address" },
+                    { "name": "dst", "type": "address" },
+                    { "name": "wad", "type": "uint256" }
                 ],
                 "name": "transferFrom",
-                "outputs": [
-                    {
-                        "name": "",
-                        "type": "bool"
-                    }
-                ],
+                "outputs": [{ "name": "", "type": "bool" }],
                 "payable": false,
                 "stateMutability": "nonpayable",
                 "type": "function"
             },
             {
                 "constant": false,
-                "inputs": [
-                    {
-                        "name": "wad",
-                        "type": "uint256"
-                    }
-                ],
+                "inputs": [{ "name": "wad", "type": "uint256" }],
                 "name": "withdraw",
                 "outputs": [],
                 "payable": false,
@@ -99,31 +56,16 @@
                 "constant": true,
                 "inputs": [],
                 "name": "decimals",
-                "outputs": [
-                    {
-                        "name": "",
-                        "type": "uint8"
-                    }
-                ],
+                "outputs": [{ "name": "", "type": "uint8" }],
                 "payable": false,
                 "stateMutability": "view",
                 "type": "function"
             },
             {
                 "constant": true,
-                "inputs": [
-                    {
-                        "name": "",
-                        "type": "address"
-                    }
-                ],
+                "inputs": [{ "name": "", "type": "address" }],
                 "name": "balanceOf",
-                "outputs": [
-                    {
-                        "name": "",
-                        "type": "uint256"
-                    }
-                ],
+                "outputs": [{ "name": "", "type": "uint256" }],
                 "payable": false,
                 "stateMutability": "view",
                 "type": "function"
@@ -132,35 +74,16 @@
                 "constant": true,
                 "inputs": [],
                 "name": "symbol",
-                "outputs": [
-                    {
-                        "name": "",
-                        "type": "string"
-                    }
-                ],
+                "outputs": [{ "name": "", "type": "string" }],
                 "payable": false,
                 "stateMutability": "view",
                 "type": "function"
             },
             {
                 "constant": false,
-                "inputs": [
-                    {
-                        "name": "dst",
-                        "type": "address"
-                    },
-                    {
-                        "name": "wad",
-                        "type": "uint256"
-                    }
-                ],
+                "inputs": [{ "name": "dst", "type": "address" }, { "name": "wad", "type": "uint256" }],
                 "name": "transfer",
-                "outputs": [
-                    {
-                        "name": "",
-                        "type": "bool"
-                    }
-                ],
+                "outputs": [{ "name": "", "type": "bool" }],
                 "payable": false,
                 "stateMutability": "nonpayable",
                 "type": "function"
@@ -176,50 +99,20 @@
             },
             {
                 "constant": true,
-                "inputs": [
-                    {
-                        "name": "",
-                        "type": "address"
-                    },
-                    {
-                        "name": "",
-                        "type": "address"
-                    }
-                ],
+                "inputs": [{ "name": "", "type": "address" }, { "name": "", "type": "address" }],
                 "name": "allowance",
-                "outputs": [
-                    {
-                        "name": "",
-                        "type": "uint256"
-                    }
-                ],
+                "outputs": [{ "name": "", "type": "uint256" }],
                 "payable": false,
                 "stateMutability": "view",
                 "type": "function"
             },
-            {
-                "payable": true,
-                "stateMutability": "payable",
-                "type": "fallback"
-            },
+            { "payable": true, "stateMutability": "payable", "type": "fallback" },
             {
                 "anonymous": false,
                 "inputs": [
-                    {
-                        "indexed": true,
-                        "name": "_owner",
-                        "type": "address"
-                    },
-                    {
-                        "indexed": true,
-                        "name": "_spender",
-                        "type": "address"
-                    },
-                    {
-                        "indexed": false,
-                        "name": "_value",
-                        "type": "uint256"
-                    }
+                    { "indexed": true, "name": "_owner", "type": "address" },
+                    { "indexed": true, "name": "_spender", "type": "address" },
+                    { "indexed": false, "name": "_value", "type": "uint256" }
                 ],
                 "name": "Approval",
                 "type": "event"
@@ -227,21 +120,9 @@
             {
                 "anonymous": false,
                 "inputs": [
-                    {
-                        "indexed": true,
-                        "name": "_from",
-                        "type": "address"
-                    },
-                    {
-                        "indexed": true,
-                        "name": "_to",
-                        "type": "address"
-                    },
-                    {
-                        "indexed": false,
-                        "name": "_value",
-                        "type": "uint256"
-                    }
+                    { "indexed": true, "name": "_from", "type": "address" },
+                    { "indexed": true, "name": "_to", "type": "address" },
+                    { "indexed": false, "name": "_value", "type": "uint256" }
                 ],
                 "name": "Transfer",
                 "type": "event"
@@ -249,16 +130,8 @@
             {
                 "anonymous": false,
                 "inputs": [
-                    {
-                        "indexed": true,
-                        "name": "_owner",
-                        "type": "address"
-                    },
-                    {
-                        "indexed": false,
-                        "name": "_value",
-                        "type": "uint256"
-                    }
+                    { "indexed": true, "name": "_owner", "type": "address" },
+                    { "indexed": false, "name": "_value", "type": "uint256" }
                 ],
                 "name": "Deposit",
                 "type": "event"
@@ -266,16 +139,8 @@
             {
                 "anonymous": false,
                 "inputs": [
-                    {
-                        "indexed": true,
-                        "name": "_owner",
-                        "type": "address"
-                    },
-                    {
-                        "indexed": false,
-                        "name": "_value",
-                        "type": "uint256"
-                    }
+                    { "indexed": true, "name": "_owner", "type": "address" },
+                    { "indexed": false, "name": "_value", "type": "uint256" }
                 ],
                 "name": "Withdrawal",
                 "type": "event"
@@ -283,9 +148,7 @@
         ],
         "evm": {
             "bytecode": {
-                "linkReferences": {},
-                "object":
-                    "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"
+                "object": "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"
             }
         }
     },
diff --git a/packages/contract-artifacts/artifacts/ZRXToken.json b/packages/contract-artifacts/artifacts/ZRXToken.json
index 29bb558244..6305d10f8b 100644
--- a/packages/contract-artifacts/artifacts/ZRXToken.json
+++ b/packages/contract-artifacts/artifacts/ZRXToken.json
@@ -7,34 +7,15 @@
                 "constant": true,
                 "inputs": [],
                 "name": "name",
-                "outputs": [
-                    {
-                        "name": "",
-                        "type": "string"
-                    }
-                ],
+                "outputs": [{ "name": "", "type": "string" }],
                 "payable": false,
                 "type": "function"
             },
             {
                 "constant": false,
-                "inputs": [
-                    {
-                        "name": "_spender",
-                        "type": "address"
-                    },
-                    {
-                        "name": "_value",
-                        "type": "uint256"
-                    }
-                ],
+                "inputs": [{ "name": "_spender", "type": "address" }, { "name": "_value", "type": "uint256" }],
                 "name": "approve",
-                "outputs": [
-                    {
-                        "name": "",
-                        "type": "bool"
-                    }
-                ],
+                "outputs": [{ "name": "", "type": "bool" }],
                 "payable": false,
                 "type": "function"
             },
@@ -42,38 +23,19 @@
                 "constant": true,
                 "inputs": [],
                 "name": "totalSupply",
-                "outputs": [
-                    {
-                        "name": "",
-                        "type": "uint256"
-                    }
-                ],
+                "outputs": [{ "name": "", "type": "uint256" }],
                 "payable": false,
                 "type": "function"
             },
             {
                 "constant": false,
                 "inputs": [
-                    {
-                        "name": "_from",
-                        "type": "address"
-                    },
-                    {
-                        "name": "_to",
-                        "type": "address"
-                    },
-                    {
-                        "name": "_value",
-                        "type": "uint256"
-                    }
+                    { "name": "_from", "type": "address" },
+                    { "name": "_to", "type": "address" },
+                    { "name": "_value", "type": "uint256" }
                 ],
                 "name": "transferFrom",
-                "outputs": [
-                    {
-                        "name": "",
-                        "type": "bool"
-                    }
-                ],
+                "outputs": [{ "name": "", "type": "bool" }],
                 "payable": false,
                 "type": "function"
             },
@@ -81,30 +43,15 @@
                 "constant": true,
                 "inputs": [],
                 "name": "decimals",
-                "outputs": [
-                    {
-                        "name": "",
-                        "type": "uint8"
-                    }
-                ],
+                "outputs": [{ "name": "", "type": "uint8" }],
                 "payable": false,
                 "type": "function"
             },
             {
                 "constant": true,
-                "inputs": [
-                    {
-                        "name": "_owner",
-                        "type": "address"
-                    }
-                ],
+                "inputs": [{ "name": "_owner", "type": "address" }],
                 "name": "balanceOf",
-                "outputs": [
-                    {
-                        "name": "",
-                        "type": "uint256"
-                    }
-                ],
+                "outputs": [{ "name": "", "type": "uint256" }],
                 "payable": false,
                 "type": "function"
             },
@@ -112,82 +59,33 @@
                 "constant": true,
                 "inputs": [],
                 "name": "symbol",
-                "outputs": [
-                    {
-                        "name": "",
-                        "type": "string"
-                    }
-                ],
+                "outputs": [{ "name": "", "type": "string" }],
                 "payable": false,
                 "type": "function"
             },
             {
                 "constant": false,
-                "inputs": [
-                    {
-                        "name": "_to",
-                        "type": "address"
-                    },
-                    {
-                        "name": "_value",
-                        "type": "uint256"
-                    }
-                ],
+                "inputs": [{ "name": "_to", "type": "address" }, { "name": "_value", "type": "uint256" }],
                 "name": "transfer",
-                "outputs": [
-                    {
-                        "name": "",
-                        "type": "bool"
-                    }
-                ],
+                "outputs": [{ "name": "", "type": "bool" }],
                 "payable": false,
                 "type": "function"
             },
             {
                 "constant": true,
-                "inputs": [
-                    {
-                        "name": "_owner",
-                        "type": "address"
-                    },
-                    {
-                        "name": "_spender",
-                        "type": "address"
-                    }
-                ],
+                "inputs": [{ "name": "_owner", "type": "address" }, { "name": "_spender", "type": "address" }],
                 "name": "allowance",
-                "outputs": [
-                    {
-                        "name": "",
-                        "type": "uint256"
-                    }
-                ],
+                "outputs": [{ "name": "", "type": "uint256" }],
                 "payable": false,
                 "type": "function"
             },
-            {
-                "inputs": [],
-                "payable": false,
-                "type": "constructor"
-            },
+            { "inputs": [], "payable": false, "type": "constructor" },
             {
                 "anonymous": false,
                 "inputs": [
-                    {
-                        "indexed": true,
-                        "name": "_from",
-                        "type": "address"
-                    },
-                    {
-                        "indexed": true,
-                        "name": "_to",
-                        "type": "address"
-                    },
-                    {
-                        "indexed": false,
-                        "name": "_value",
-                        "type": "uint256"
-                    }
+                    { "indexed": true, "name": "_from", "type": "address" },
+                    { "indexed": true, "name": "_to", "type": "address" },
+                    { "indexed": false, "name": "_value", "type": "uint256" }
                 ],
                 "name": "Transfer",
                 "type": "event"
@@ -195,21 +93,9 @@
             {
                 "anonymous": false,
                 "inputs": [
-                    {
-                        "indexed": true,
-                        "name": "_owner",
-                        "type": "address"
-                    },
-                    {
-                        "indexed": true,
-                        "name": "_spender",
-                        "type": "address"
-                    },
-                    {
-                        "indexed": false,
-                        "name": "_value",
-                        "type": "uint256"
-                    }
+                    { "indexed": true, "name": "_owner", "type": "address" },
+                    { "indexed": true, "name": "_spender", "type": "address" },
+                    { "indexed": false, "name": "_value", "type": "uint256" }
                 ],
                 "name": "Approval",
                 "type": "event"
@@ -217,9 +103,7 @@
         ],
         "evm": {
             "bytecode": {
-                "linkReferences": {},
-                "object":
-                    "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"
+                "object": "0x60606040526b033b2e3c9fd0803ce8000000600355341561001c57fe5b5b600354600160a060020a0333166000908152602081905260409020555b5b61078d8061004a6000396000f300606060405236156100965763ffffffff7c010000000000000000000000000000000000000000000000000000000060003504166306fdde038114610098578063095ea7b31461014657806318160ddd1461018657806323b872dd146101a8578063313ce567146101ee57806370a082311461021457806395d89b411461024f578063a9059cbb146102fd578063dd62ed3e1461033d575bfe5b34156100a057fe5b6100a861037e565b60408051602080825283518183015283519192839290830191850190808383821561010c575b80518252602083111561010c577fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffe090920191602091820191016100ce565b505050905090810190601f1680156101385780820380516001836020036101000a031916815260200191505b509250505060405180910390f35b341561014e57fe5b61017273ffffffffffffffffffffffffffffffffffffffff600435166024356103b5565b604080519115158252519081900360200190f35b341561018e57fe5b61019661042d565b60408051918252519081900360200190f35b34156101b057fe5b61017273ffffffffffffffffffffffffffffffffffffffff60043581169060243516604435610433565b604080519115158252519081900360200190f35b34156101f657fe5b6101fe6105d4565b6040805160ff9092168252519081900360200190f35b341561021c57fe5b61019673ffffffffffffffffffffffffffffffffffffffff600435166105d9565b60408051918252519081900360200190f35b341561025757fe5b6100a8610605565b60408051602080825283518183015283519192839290830191850190808383821561010c575b80518252602083111561010c577fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffe090920191602091820191016100ce565b505050905090810190601f1680156101385780820380516001836020036101000a031916815260200191505b509250505060405180910390f35b341561030557fe5b61017273ffffffffffffffffffffffffffffffffffffffff6004351660243561063c565b604080519115158252519081900360200190f35b341561034557fe5b61019673ffffffffffffffffffffffffffffffffffffffff60043581169060243516610727565b60408051918252519081900360200190f35b60408051808201909152601181527f30782050726f746f636f6c20546f6b656e000000000000000000000000000000602082015281565b73ffffffffffffffffffffffffffffffffffffffff338116600081815260016020908152604080832094871680845294825280832086905580518681529051929493927f8c5be1e5ebec7d5bd14f71427d1e84f3dd0314c0f7b2291e5b200ac8c7c3b925929181900390910190a35060015b92915050565b60035481565b73ffffffffffffffffffffffffffffffffffffffff808416600081815260016020908152604080832033909516835293815283822054928252819052918220548390108015906104835750828110155b80156104b6575073ffffffffffffffffffffffffffffffffffffffff841660009081526020819052604090205483810110155b156105c65773ffffffffffffffffffffffffffffffffffffffff808516600090815260208190526040808220805487019055918716815220805484900390557fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff8110156105585773ffffffffffffffffffffffffffffffffffffffff808616600090815260016020908152604080832033909416835292905220805484900390555b8373ffffffffffffffffffffffffffffffffffffffff168573ffffffffffffffffffffffffffffffffffffffff167fddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef856040518082815260200191505060405180910390a3600191506105cb565b600091505b5b509392505050565b601281565b73ffffffffffffffffffffffffffffffffffffffff81166000908152602081905260409020545b919050565b60408051808201909152600381527f5a52580000000000000000000000000000000000000000000000000000000000602082015281565b73ffffffffffffffffffffffffffffffffffffffff3316600090815260208190526040812054829010801590610699575073ffffffffffffffffffffffffffffffffffffffff831660009081526020819052604090205482810110155b156107185773ffffffffffffffffffffffffffffffffffffffff33811660008181526020818152604080832080548890039055938716808352918490208054870190558351868152935191937fddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef929081900390910190a3506001610427565b506000610427565b5b92915050565b73ffffffffffffffffffffffffffffffffffffffff8083166000908152600160209081526040808320938516835292905220545b929150505600a165627a7a723058201b5b70cf82a73dec658c2e60ab9a0f8e2ba01a74b66a6f5b0402f56d2ea0ffcf0029"
             }
         }
     },
diff --git a/packages/contract-artifacts/package.json b/packages/contract-artifacts/package.json
index a48a37c866..61722b11d3 100644
--- a/packages/contract-artifacts/package.json
+++ b/packages/contract-artifacts/package.json
@@ -10,6 +10,9 @@
         "test": "test"
     },
     "scripts": {
+        "artifacts_copy": "node lib/src/copy.js",
+        "artifacts_transform": "node lib/src/transform.js ./artifacts && prettier --write ./artifacts/*.json &&  cp -r ./artifacts/ ../../python-packages/contract_artifacts/src/zero_ex/contract_artifacts/artifacts/",
+        "artifacts_update": "yarn artifacts_copy && yarn artifacts_transform && yarn build",
         "build": "yarn tsc -b",
         "build:ci": "yarn build",
         "test": "yarn run_mocha",
@@ -27,6 +30,7 @@
     },
     "homepage": "https://github.com/0xProject/0x-monorepo/packages/contract-artifacts/README.md",
     "devDependencies": {
+        "@0x/utils": "^4.3.3",
         "chai": "^4.0.1",
         "lodash": "^4.17.11",
         "mocha": "^4.1.0",
diff --git a/packages/contract-artifacts/src/copy.ts b/packages/contract-artifacts/src/copy.ts
new file mode 100644
index 0000000000..2f64253499
--- /dev/null
+++ b/packages/contract-artifacts/src/copy.ts
@@ -0,0 +1,60 @@
+import { logUtils } from '@0x/utils';
+import * as fs from 'fs';
+import * as path from 'path';
+
+import * as artifacts from './index';
+
+const MONOREPO_ROOT = path.join(__dirname, '../../../..');
+
+// HACK (xianny): can't import the root package.json normally because it is outside rootDir of this project
+const pkgJson = JSON.parse(fs.readFileSync(path.join(MONOREPO_ROOT, 'package.json')).toString());
+const pkgNames = pkgJson.config.contractsPackages.split(' ');
+
+const artifactsToPublish = Object.keys(artifacts);
+
+const contractsDirs = [];
+for (const pkgName of pkgNames) {
+    if (!pkgName.startsWith('@0x/contracts-')) {
+        throw new Error(`Invalid package name: [${pkgName}]. Contracts packages must be prefixed with 'contracts-'`);
+    }
+    contractsDirs.push(pkgName.split('/contracts-')[1]);
+}
+
+const contractsPath = path.join(MONOREPO_ROOT, 'contracts');
+const allArtifactPaths = [];
+for (const dir of contractsDirs) {
+    const artifactsDir = path.join(contractsPath, dir, 'generated-artifacts');
+    if (!fs.existsSync(artifactsDir)) {
+        continue;
+    }
+    const artifactPaths: string[] = fs
+        .readdirSync(artifactsDir)
+        .filter(artifact => {
+            const artifactWithoutExt = artifact.split('.')[0];
+            return artifactsToPublish.includes(artifactWithoutExt);
+        })
+        .map(artifact => path.join(artifactsDir, artifact));
+    allArtifactPaths.push(...artifactPaths);
+}
+
+if (allArtifactPaths.length < pkgNames.length) {
+    throw new Error(
+        `Expected ${pkgNames.length} artifacts, found ${
+            allArtifactPaths.length
+        }. Please ensure artifacts are present in ${contractsPath}/**/generated_artifacts`,
+    );
+}
+
+for (const _path of allArtifactPaths) {
+    const fileName = _path.split('/').slice(-1)[0];
+    const targetPath = path.join(__dirname, '../artifacts', fileName);
+    const targetPathPython = path.join(
+        MONOREPO_ROOT,
+        'python-packages/contract_artifacts/src/zero_ex/contract_artifacts/artifacts',
+        fileName,
+    );
+    fs.copyFileSync(_path, targetPath);
+    fs.copyFileSync(_path, targetPathPython);
+    logUtils.log(`Copied ${_path}`);
+}
+logUtils.log(`Finished copying contract-artifacts. Remember to transform artifacts before publishing or using abi-gen`);
diff --git a/packages/contract-artifacts/src/transform.ts b/packages/contract-artifacts/src/transform.ts
new file mode 100644
index 0000000000..65648ede15
--- /dev/null
+++ b/packages/contract-artifacts/src/transform.ts
@@ -0,0 +1,50 @@
+import { deleteNestedProperty, logUtils } from '@0x/utils';
+import * as fs from 'fs';
+
+export const REQUIRED_PROPERTIES: string[] = [
+    'schemaVersion',
+    'contractName',
+    'compilerOutput.evm.bytecode.object',
+    'compilerOutput.abi',
+];
+
+export const FORBIDDEN_PROPERTIES: string[] = [
+    'compilerOutput.evm.bytecode.sourceMap',
+    'compilerOutput.evm.bytecode.opcodes',
+    'compilerOutput.evm.bytecode.linkReferences',
+    'compilerOutput.evm.deployedBytecode',
+    'compilerOutput.evm.assembly',
+    'compilerOutput.evm.legacyAssembly',
+    'compilerOutput.evm.gasEstimates',
+    'compilerOutput.evm.methodIdentifiers',
+    'compilerOutput.metadata',
+    'compilerOutput.userdoc',
+    'sourceCodes',
+    'sources',
+    'sourceTreeHashHex',
+];
+
+function removeForbiddenProperties(inputDir: string, outputDir: string): void {
+    const filePaths = fs
+        .readdirSync(inputDir)
+        .filter(filename => filename.indexOf('.json') !== -1)
+        .map(filename => `./${inputDir}/${filename}`);
+
+    for (const filePath of filePaths) {
+        const artifact = JSON.parse(fs.readFileSync(filePath).toString()) as { [name: string]: any };
+        for (const property of FORBIDDEN_PROPERTIES) {
+            deleteNestedProperty(artifact, property);
+        }
+        fs.writeFileSync(filePath.replace(inputDir, outputDir), JSON.stringify(artifact));
+    }
+}
+
+if (require.main === module) {
+    const inputDir = process.argv[2];
+    const outputDir = process.argv[3] !== undefined ? process.argv[3] : inputDir;
+    logUtils.log(`Deleting forbidden properties from artifacts in ${inputDir}. Output to ${outputDir}`);
+    if (!fs.existsSync(`./${outputDir}`)) {
+        fs.mkdirSync(`./${outputDir}`);
+    }
+    removeForbiddenProperties(inputDir, outputDir);
+}
diff --git a/packages/contract-artifacts/test/contract_artifacts_test.ts b/packages/contract-artifacts/test/contract_artifacts_test.ts
index 57b8235227..9e75561418 100644
--- a/packages/contract-artifacts/test/contract_artifacts_test.ts
+++ b/packages/contract-artifacts/test/contract_artifacts_test.ts
@@ -4,20 +4,16 @@ import 'mocha';
 
 import * as artifacts from '../src/index';
 
+import { ObjectMap } from '../../types/lib';
+import { FORBIDDEN_PROPERTIES, REQUIRED_PROPERTIES } from '../src/transform';
+
 const expect = chai.expect;
 
 describe('Contract Artifacts', () => {
-    const forbiddenProperties = [
-        'compilerOutput.evm.bytecode.sourceMap',
-        'compilerOutput.evm.bytecode.opcodes',
-        'sourceCodes',
-        'sources',
-        'compiler',
-    ];
     it('should not include forbidden attributes', () => {
         const forbiddenPropertiesByArtifact: { [name: string]: string[] } = {};
         for (const [artifactName, artifact] of Object.entries(artifacts)) {
-            for (const forbiddenProperty of forbiddenProperties) {
+            for (const forbiddenProperty of FORBIDDEN_PROPERTIES) {
                 const rejectedValue = get(artifact, forbiddenProperty);
                 if (rejectedValue) {
                     const previousForbidden = forbiddenPropertiesByArtifact[artifactName];
@@ -29,4 +25,19 @@ describe('Contract Artifacts', () => {
         }
         expect(forbiddenPropertiesByArtifact).to.eql({});
     });
+    it('should include all required attributes', () => {
+        const missingRequiredPropertiesByArtifact: ObjectMap<string[]> = {};
+        for (const [artifactName, artifact] of Object.entries(artifacts)) {
+            for (const requiredProperty of REQUIRED_PROPERTIES) {
+                const requiredValue = get(artifact, requiredProperty);
+                if (requiredValue === undefined || requiredValue === '') {
+                    const previousMissing = missingRequiredPropertiesByArtifact[artifactName];
+                    missingRequiredPropertiesByArtifact[artifactName] = previousMissing
+                        ? [...previousMissing, requiredProperty]
+                        : [requiredProperty];
+                }
+            }
+        }
+        expect(missingRequiredPropertiesByArtifact).to.eql({});
+    });
 });
diff --git a/packages/utils/CHANGELOG.json b/packages/utils/CHANGELOG.json
index bb3375a3f0..0331c29c82 100644
--- a/packages/utils/CHANGELOG.json
+++ b/packages/utils/CHANGELOG.json
@@ -1,4 +1,13 @@
 [
+    {
+        "version": "4.4.0",
+        "changes": [
+            {
+                "note": "Add function deleteNestedProperty",
+                "pr": 1842
+            }
+        ]
+    },
     {
         "version": "4.3.3",
         "changes": [
diff --git a/packages/utils/src/delete_nested_property.ts b/packages/utils/src/delete_nested_property.ts
new file mode 100644
index 0000000000..271e37dc53
--- /dev/null
+++ b/packages/utils/src/delete_nested_property.ts
@@ -0,0 +1,25 @@
+/* Deletes deeply nested properties from an object. MUTATES the object
+ * @param obj the object to be operated on
+ * @param propPath the full dot-separated path to the property to delete, e.g. 'animals.mammals.dog.name'
+ * returns void
+ */
+export const deleteNestedProperty = (obj: any, propPath: string): void => {
+    if (!obj || !propPath) {
+        return;
+    }
+
+    const propPathParts = propPath.split('.');
+
+    let _obj = obj;
+    for (let i = 0; i < propPathParts.length - 1; i++) {
+        _obj = _obj[propPathParts[i]];
+
+        if (typeof _obj === 'undefined') {
+            return;
+        }
+    }
+
+    while (propPathParts.length > 0) {
+        delete _obj[propPathParts.pop() as string];
+    }
+};
diff --git a/packages/utils/src/index.ts b/packages/utils/src/index.ts
index 02d4c545e3..b757439a2f 100644
--- a/packages/utils/src/index.ts
+++ b/packages/utils/src/index.ts
@@ -1,6 +1,7 @@
 export { promisify } from './promisify';
 export { addressUtils } from './address_utils';
 export { classUtils } from './class_utils';
+export { deleteNestedProperty } from './delete_nested_property';
 export { intervalUtils } from './interval_utils';
 export { providerUtils } from './provider_utils';
 export { BigNumber } from './configured_bignumber';
diff --git a/python-packages/contract_artifacts/src/zero_ex/contract_artifacts/artifacts/AssetProxyOwner.json b/python-packages/contract_artifacts/src/zero_ex/contract_artifacts/artifacts/AssetProxyOwner.json
index e5fad3aefe..7e6f951204 100644
--- a/python-packages/contract_artifacts/src/zero_ex/contract_artifacts/artifacts/AssetProxyOwner.json
+++ b/python-packages/contract_artifacts/src/zero_ex/contract_artifacts/artifacts/AssetProxyOwner.json
@@ -5,31 +5,16 @@
         "abi": [
             {
                 "constant": true,
-                "inputs": [
-                    {
-                        "name": "",
-                        "type": "uint256"
-                    }
-                ],
+                "inputs": [{ "name": "", "type": "uint256" }],
                 "name": "owners",
-                "outputs": [
-                    {
-                        "name": "",
-                        "type": "address"
-                    }
-                ],
+                "outputs": [{ "name": "", "type": "address" }],
                 "payable": false,
                 "stateMutability": "view",
                 "type": "function"
             },
             {
                 "constant": false,
-                "inputs": [
-                    {
-                        "name": "owner",
-                        "type": "address"
-                    }
-                ],
+                "inputs": [{ "name": "owner", "type": "address" }],
                 "name": "removeOwner",
                 "outputs": [],
                 "payable": false,
@@ -38,12 +23,7 @@
             },
             {
                 "constant": false,
-                "inputs": [
-                    {
-                        "name": "transactionId",
-                        "type": "uint256"
-                    }
-                ],
+                "inputs": [{ "name": "transactionId", "type": "uint256" }],
                 "name": "revokeConfirmation",
                 "outputs": [],
                 "payable": false,
@@ -52,54 +32,25 @@
             },
             {
                 "constant": true,
-                "inputs": [
-                    {
-                        "name": "",
-                        "type": "address"
-                    }
-                ],
+                "inputs": [{ "name": "", "type": "address" }],
                 "name": "isOwner",
-                "outputs": [
-                    {
-                        "name": "",
-                        "type": "bool"
-                    }
-                ],
+                "outputs": [{ "name": "", "type": "bool" }],
                 "payable": false,
                 "stateMutability": "view",
                 "type": "function"
             },
             {
                 "constant": true,
-                "inputs": [
-                    {
-                        "name": "",
-                        "type": "uint256"
-                    },
-                    {
-                        "name": "",
-                        "type": "address"
-                    }
-                ],
+                "inputs": [{ "name": "", "type": "uint256" }, { "name": "", "type": "address" }],
                 "name": "confirmations",
-                "outputs": [
-                    {
-                        "name": "",
-                        "type": "bool"
-                    }
-                ],
+                "outputs": [{ "name": "", "type": "bool" }],
                 "payable": false,
                 "stateMutability": "view",
                 "type": "function"
             },
             {
                 "constant": false,
-                "inputs": [
-                    {
-                        "name": "transactionId",
-                        "type": "uint256"
-                    }
-                ],
+                "inputs": [{ "name": "transactionId", "type": "uint256" }],
                 "name": "executeRemoveAuthorizedAddressAtIndex",
                 "outputs": [],
                 "payable": false,
@@ -110,35 +61,16 @@
                 "constant": true,
                 "inputs": [],
                 "name": "secondsTimeLocked",
-                "outputs": [
-                    {
-                        "name": "",
-                        "type": "uint256"
-                    }
-                ],
+                "outputs": [{ "name": "", "type": "uint256" }],
                 "payable": false,
                 "stateMutability": "view",
                 "type": "function"
             },
             {
                 "constant": true,
-                "inputs": [
-                    {
-                        "name": "pending",
-                        "type": "bool"
-                    },
-                    {
-                        "name": "executed",
-                        "type": "bool"
-                    }
-                ],
+                "inputs": [{ "name": "pending", "type": "bool" }, { "name": "executed", "type": "bool" }],
                 "name": "getTransactionCount",
-                "outputs": [
-                    {
-                        "name": "count",
-                        "type": "uint256"
-                    }
-                ],
+                "outputs": [{ "name": "count", "type": "uint256" }],
                 "payable": false,
                 "stateMutability": "view",
                 "type": "function"
@@ -146,14 +78,8 @@
             {
                 "constant": false,
                 "inputs": [
-                    {
-                        "name": "assetProxyContract",
-                        "type": "address"
-                    },
-                    {
-                        "name": "isRegistered",
-                        "type": "bool"
-                    }
+                    { "name": "assetProxyContract", "type": "address" },
+                    { "name": "isRegistered", "type": "bool" }
                 ],
                 "name": "registerAssetProxy",
                 "outputs": [],
@@ -163,12 +89,7 @@
             },
             {
                 "constant": false,
-                "inputs": [
-                    {
-                        "name": "owner",
-                        "type": "address"
-                    }
-                ],
+                "inputs": [{ "name": "owner", "type": "address" }],
                 "name": "addOwner",
                 "outputs": [],
                 "payable": false,
@@ -177,31 +98,16 @@
             },
             {
                 "constant": true,
-                "inputs": [
-                    {
-                        "name": "transactionId",
-                        "type": "uint256"
-                    }
-                ],
+                "inputs": [{ "name": "transactionId", "type": "uint256" }],
                 "name": "isConfirmed",
-                "outputs": [
-                    {
-                        "name": "",
-                        "type": "bool"
-                    }
-                ],
+                "outputs": [{ "name": "", "type": "bool" }],
                 "payable": false,
                 "stateMutability": "view",
                 "type": "function"
             },
             {
                 "constant": false,
-                "inputs": [
-                    {
-                        "name": "_secondsTimeLocked",
-                        "type": "uint256"
-                    }
-                ],
+                "inputs": [{ "name": "_secondsTimeLocked", "type": "uint256" }],
                 "name": "changeTimeLock",
                 "outputs": [],
                 "payable": false,
@@ -210,68 +116,31 @@
             },
             {
                 "constant": true,
-                "inputs": [
-                    {
-                        "name": "",
-                        "type": "address"
-                    }
-                ],
+                "inputs": [{ "name": "", "type": "address" }],
                 "name": "isAssetProxyRegistered",
-                "outputs": [
-                    {
-                        "name": "",
-                        "type": "bool"
-                    }
-                ],
+                "outputs": [{ "name": "", "type": "bool" }],
                 "payable": false,
                 "stateMutability": "view",
                 "type": "function"
             },
             {
                 "constant": true,
-                "inputs": [
-                    {
-                        "name": "transactionId",
-                        "type": "uint256"
-                    }
-                ],
+                "inputs": [{ "name": "transactionId", "type": "uint256" }],
                 "name": "getConfirmationCount",
-                "outputs": [
-                    {
-                        "name": "count",
-                        "type": "uint256"
-                    }
-                ],
+                "outputs": [{ "name": "count", "type": "uint256" }],
                 "payable": false,
                 "stateMutability": "view",
                 "type": "function"
             },
             {
                 "constant": true,
-                "inputs": [
-                    {
-                        "name": "",
-                        "type": "uint256"
-                    }
-                ],
+                "inputs": [{ "name": "", "type": "uint256" }],
                 "name": "transactions",
                 "outputs": [
-                    {
-                        "name": "destination",
-                        "type": "address"
-                    },
-                    {
-                        "name": "value",
-                        "type": "uint256"
-                    },
-                    {
-                        "name": "data",
-                        "type": "bytes"
-                    },
-                    {
-                        "name": "executed",
-                        "type": "bool"
-                    }
+                    { "name": "destination", "type": "address" },
+                    { "name": "value", "type": "uint256" },
+                    { "name": "data", "type": "bytes" },
+                    { "name": "executed", "type": "bool" }
                 ],
                 "payable": false,
                 "stateMutability": "view",
@@ -281,12 +150,7 @@
                 "constant": true,
                 "inputs": [],
                 "name": "getOwners",
-                "outputs": [
-                    {
-                        "name": "",
-                        "type": "address[]"
-                    }
-                ],
+                "outputs": [{ "name": "", "type": "address[]" }],
                 "payable": false,
                 "stateMutability": "view",
                 "type": "function"
@@ -294,49 +158,22 @@
             {
                 "constant": true,
                 "inputs": [
-                    {
-                        "name": "from",
-                        "type": "uint256"
-                    },
-                    {
-                        "name": "to",
-                        "type": "uint256"
-                    },
-                    {
-                        "name": "pending",
-                        "type": "bool"
-                    },
-                    {
-                        "name": "executed",
-                        "type": "bool"
-                    }
+                    { "name": "from", "type": "uint256" },
+                    { "name": "to", "type": "uint256" },
+                    { "name": "pending", "type": "bool" },
+                    { "name": "executed", "type": "bool" }
                 ],
                 "name": "getTransactionIds",
-                "outputs": [
-                    {
-                        "name": "_transactionIds",
-                        "type": "uint256[]"
-                    }
-                ],
+                "outputs": [{ "name": "_transactionIds", "type": "uint256[]" }],
                 "payable": false,
                 "stateMutability": "view",
                 "type": "function"
             },
             {
                 "constant": true,
-                "inputs": [
-                    {
-                        "name": "transactionId",
-                        "type": "uint256"
-                    }
-                ],
+                "inputs": [{ "name": "transactionId", "type": "uint256" }],
                 "name": "getConfirmations",
-                "outputs": [
-                    {
-                        "name": "_confirmations",
-                        "type": "address[]"
-                    }
-                ],
+                "outputs": [{ "name": "_confirmations", "type": "address[]" }],
                 "payable": false,
                 "stateMutability": "view",
                 "type": "function"
@@ -345,24 +182,14 @@
                 "constant": true,
                 "inputs": [],
                 "name": "transactionCount",
-                "outputs": [
-                    {
-                        "name": "",
-                        "type": "uint256"
-                    }
-                ],
+                "outputs": [{ "name": "", "type": "uint256" }],
                 "payable": false,
                 "stateMutability": "view",
                 "type": "function"
             },
             {
                 "constant": false,
-                "inputs": [
-                    {
-                        "name": "_required",
-                        "type": "uint256"
-                    }
-                ],
+                "inputs": [{ "name": "_required", "type": "uint256" }],
                 "name": "changeRequirement",
                 "outputs": [],
                 "payable": false,
@@ -371,12 +198,7 @@
             },
             {
                 "constant": false,
-                "inputs": [
-                    {
-                        "name": "transactionId",
-                        "type": "uint256"
-                    }
-                ],
+                "inputs": [{ "name": "transactionId", "type": "uint256" }],
                 "name": "confirmTransaction",
                 "outputs": [],
                 "payable": false,
@@ -386,45 +208,21 @@
             {
                 "constant": false,
                 "inputs": [
-                    {
-                        "name": "destination",
-                        "type": "address"
-                    },
-                    {
-                        "name": "value",
-                        "type": "uint256"
-                    },
-                    {
-                        "name": "data",
-                        "type": "bytes"
-                    }
+                    { "name": "destination", "type": "address" },
+                    { "name": "value", "type": "uint256" },
+                    { "name": "data", "type": "bytes" }
                 ],
                 "name": "submitTransaction",
-                "outputs": [
-                    {
-                        "name": "transactionId",
-                        "type": "uint256"
-                    }
-                ],
+                "outputs": [{ "name": "transactionId", "type": "uint256" }],
                 "payable": false,
                 "stateMutability": "nonpayable",
                 "type": "function"
             },
             {
                 "constant": true,
-                "inputs": [
-                    {
-                        "name": "",
-                        "type": "uint256"
-                    }
-                ],
+                "inputs": [{ "name": "", "type": "uint256" }],
                 "name": "confirmationTimes",
-                "outputs": [
-                    {
-                        "name": "",
-                        "type": "uint256"
-                    }
-                ],
+                "outputs": [{ "name": "", "type": "uint256" }],
                 "payable": false,
                 "stateMutability": "view",
                 "type": "function"
@@ -433,12 +231,7 @@
                 "constant": true,
                 "inputs": [],
                 "name": "MAX_OWNER_COUNT",
-                "outputs": [
-                    {
-                        "name": "",
-                        "type": "uint256"
-                    }
-                ],
+                "outputs": [{ "name": "", "type": "uint256" }],
                 "payable": false,
                 "stateMutability": "view",
                 "type": "function"
@@ -447,28 +240,14 @@
                 "constant": true,
                 "inputs": [],
                 "name": "required",
-                "outputs": [
-                    {
-                        "name": "",
-                        "type": "uint256"
-                    }
-                ],
+                "outputs": [{ "name": "", "type": "uint256" }],
                 "payable": false,
                 "stateMutability": "view",
                 "type": "function"
             },
             {
                 "constant": false,
-                "inputs": [
-                    {
-                        "name": "owner",
-                        "type": "address"
-                    },
-                    {
-                        "name": "newOwner",
-                        "type": "address"
-                    }
-                ],
+                "inputs": [{ "name": "owner", "type": "address" }, { "name": "newOwner", "type": "address" }],
                 "name": "replaceOwner",
                 "outputs": [],
                 "payable": false,
@@ -477,12 +256,7 @@
             },
             {
                 "constant": false,
-                "inputs": [
-                    {
-                        "name": "transactionId",
-                        "type": "uint256"
-                    }
-                ],
+                "inputs": [{ "name": "transactionId", "type": "uint256" }],
                 "name": "executeTransaction",
                 "outputs": [],
                 "payable": false,
@@ -491,45 +265,21 @@
             },
             {
                 "inputs": [
-                    {
-                        "name": "_owners",
-                        "type": "address[]"
-                    },
-                    {
-                        "name": "_assetProxyContracts",
-                        "type": "address[]"
-                    },
-                    {
-                        "name": "_required",
-                        "type": "uint256"
-                    },
-                    {
-                        "name": "_secondsTimeLocked",
-                        "type": "uint256"
-                    }
+                    { "name": "_owners", "type": "address[]" },
+                    { "name": "_assetProxyContracts", "type": "address[]" },
+                    { "name": "_required", "type": "uint256" },
+                    { "name": "_secondsTimeLocked", "type": "uint256" }
                 ],
                 "payable": false,
                 "stateMutability": "nonpayable",
                 "type": "constructor"
             },
-            {
-                "payable": true,
-                "stateMutability": "payable",
-                "type": "fallback"
-            },
+            { "payable": true, "stateMutability": "payable", "type": "fallback" },
             {
                 "anonymous": false,
                 "inputs": [
-                    {
-                        "indexed": false,
-                        "name": "assetProxyContract",
-                        "type": "address"
-                    },
-                    {
-                        "indexed": false,
-                        "name": "isRegistered",
-                        "type": "bool"
-                    }
+                    { "indexed": false, "name": "assetProxyContract", "type": "address" },
+                    { "indexed": false, "name": "isRegistered", "type": "bool" }
                 ],
                 "name": "AssetProxyRegistration",
                 "type": "event"
@@ -537,45 +287,23 @@
             {
                 "anonymous": false,
                 "inputs": [
-                    {
-                        "indexed": true,
-                        "name": "transactionId",
-                        "type": "uint256"
-                    },
-                    {
-                        "indexed": false,
-                        "name": "confirmationTime",
-                        "type": "uint256"
-                    }
+                    { "indexed": true, "name": "transactionId", "type": "uint256" },
+                    { "indexed": false, "name": "confirmationTime", "type": "uint256" }
                 ],
                 "name": "ConfirmationTimeSet",
                 "type": "event"
             },
             {
                 "anonymous": false,
-                "inputs": [
-                    {
-                        "indexed": false,
-                        "name": "secondsTimeLocked",
-                        "type": "uint256"
-                    }
-                ],
+                "inputs": [{ "indexed": false, "name": "secondsTimeLocked", "type": "uint256" }],
                 "name": "TimeLockChange",
                 "type": "event"
             },
             {
                 "anonymous": false,
                 "inputs": [
-                    {
-                        "indexed": true,
-                        "name": "sender",
-                        "type": "address"
-                    },
-                    {
-                        "indexed": true,
-                        "name": "transactionId",
-                        "type": "uint256"
-                    }
+                    { "indexed": true, "name": "sender", "type": "address" },
+                    { "indexed": true, "name": "transactionId", "type": "uint256" }
                 ],
                 "name": "Confirmation",
                 "type": "event"
@@ -583,115 +311,61 @@
             {
                 "anonymous": false,
                 "inputs": [
-                    {
-                        "indexed": true,
-                        "name": "sender",
-                        "type": "address"
-                    },
-                    {
-                        "indexed": true,
-                        "name": "transactionId",
-                        "type": "uint256"
-                    }
+                    { "indexed": true, "name": "sender", "type": "address" },
+                    { "indexed": true, "name": "transactionId", "type": "uint256" }
                 ],
                 "name": "Revocation",
                 "type": "event"
             },
             {
                 "anonymous": false,
-                "inputs": [
-                    {
-                        "indexed": true,
-                        "name": "transactionId",
-                        "type": "uint256"
-                    }
-                ],
+                "inputs": [{ "indexed": true, "name": "transactionId", "type": "uint256" }],
                 "name": "Submission",
                 "type": "event"
             },
             {
                 "anonymous": false,
-                "inputs": [
-                    {
-                        "indexed": true,
-                        "name": "transactionId",
-                        "type": "uint256"
-                    }
-                ],
+                "inputs": [{ "indexed": true, "name": "transactionId", "type": "uint256" }],
                 "name": "Execution",
                 "type": "event"
             },
             {
                 "anonymous": false,
-                "inputs": [
-                    {
-                        "indexed": true,
-                        "name": "transactionId",
-                        "type": "uint256"
-                    }
-                ],
+                "inputs": [{ "indexed": true, "name": "transactionId", "type": "uint256" }],
                 "name": "ExecutionFailure",
                 "type": "event"
             },
             {
                 "anonymous": false,
                 "inputs": [
-                    {
-                        "indexed": true,
-                        "name": "sender",
-                        "type": "address"
-                    },
-                    {
-                        "indexed": false,
-                        "name": "value",
-                        "type": "uint256"
-                    }
+                    { "indexed": true, "name": "sender", "type": "address" },
+                    { "indexed": false, "name": "value", "type": "uint256" }
                 ],
                 "name": "Deposit",
                 "type": "event"
             },
             {
                 "anonymous": false,
-                "inputs": [
-                    {
-                        "indexed": true,
-                        "name": "owner",
-                        "type": "address"
-                    }
-                ],
+                "inputs": [{ "indexed": true, "name": "owner", "type": "address" }],
                 "name": "OwnerAddition",
                 "type": "event"
             },
             {
                 "anonymous": false,
-                "inputs": [
-                    {
-                        "indexed": true,
-                        "name": "owner",
-                        "type": "address"
-                    }
-                ],
+                "inputs": [{ "indexed": true, "name": "owner", "type": "address" }],
                 "name": "OwnerRemoval",
                 "type": "event"
             },
             {
                 "anonymous": false,
-                "inputs": [
-                    {
-                        "indexed": false,
-                        "name": "required",
-                        "type": "uint256"
-                    }
-                ],
+                "inputs": [{ "indexed": false, "name": "required", "type": "uint256" }],
                 "name": "RequirementChange",
                 "type": "event"
             }
         ],
         "evm": {
             "bytecode": {
-                "linkReferences": {},
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             }
         }
     },
diff --git a/python-packages/contract_artifacts/src/zero_ex/contract_artifacts/artifacts/Coordinator.json b/python-packages/contract_artifacts/src/zero_ex/contract_artifacts/artifacts/Coordinator.json
index d7f985e8d9..8295e51738 100644
--- a/python-packages/contract_artifacts/src/zero_ex/contract_artifacts/artifacts/Coordinator.json
+++ b/python-packages/contract_artifacts/src/zero_ex/contract_artifacts/artifacts/Coordinator.json
@@ -1,311 +1,160 @@
 {
-	"schemaVersion": "2.0.0",
-	"contractName": "Coordinator",
-	"compilerOutput": {
-		"abi": [
-			{
-				"constant": true,
-				"inputs": [
-					{
-						"name": "hash",
-						"type": "bytes32"
-					},
-					{
-						"name": "signature",
-						"type": "bytes"
-					}
-				],
-				"name": "getSignerAddress",
-				"outputs": [
-					{
-						"name": "signerAddress",
-						"type": "address"
-					}
-				],
-				"payable": false,
-				"stateMutability": "pure",
-				"type": "function"
-			},
-			{
-				"constant": true,
-				"inputs": [
-					{
-						"components": [
-							{
-								"name": "salt",
-								"type": "uint256"
-							},
-							{
-								"name": "signerAddress",
-								"type": "address"
-							},
-							{
-								"name": "data",
-								"type": "bytes"
-							}
-						],
-						"name": "transaction",
-						"type": "tuple"
-					}
-				],
-				"name": "getTransactionHash",
-				"outputs": [
-					{
-						"name": "transactionHash",
-						"type": "bytes32"
-					}
-				],
-				"payable": false,
-				"stateMutability": "view",
-				"type": "function"
-			},
-			{
-				"constant": true,
-				"inputs": [
-					{
-						"components": [
-							{
-								"name": "txOrigin",
-								"type": "address"
-							},
-							{
-								"name": "transactionHash",
-								"type": "bytes32"
-							},
-							{
-								"name": "transactionSignature",
-								"type": "bytes"
-							},
-							{
-								"name": "approvalExpirationTimeSeconds",
-								"type": "uint256"
-							}
-						],
-						"name": "approval",
-						"type": "tuple"
-					}
-				],
-				"name": "getCoordinatorApprovalHash",
-				"outputs": [
-					{
-						"name": "approvalHash",
-						"type": "bytes32"
-					}
-				],
-				"payable": false,
-				"stateMutability": "view",
-				"type": "function"
-			},
-			{
-				"constant": false,
-				"inputs": [
-					{
-						"components": [
-							{
-								"name": "salt",
-								"type": "uint256"
-							},
-							{
-								"name": "signerAddress",
-								"type": "address"
-							},
-							{
-								"name": "data",
-								"type": "bytes"
-							}
-						],
-						"name": "transaction",
-						"type": "tuple"
-					},
-					{
-						"name": "txOrigin",
-						"type": "address"
-					},
-					{
-						"name": "transactionSignature",
-						"type": "bytes"
-					},
-					{
-						"name": "approvalExpirationTimeSeconds",
-						"type": "uint256[]"
-					},
-					{
-						"name": "approvalSignatures",
-						"type": "bytes[]"
-					}
-				],
-				"name": "executeTransaction",
-				"outputs": [],
-				"payable": false,
-				"stateMutability": "nonpayable",
-				"type": "function"
-			},
-			{
-				"constant": true,
-				"inputs": [],
-				"name": "EIP712_EXCHANGE_DOMAIN_HASH",
-				"outputs": [
-					{
-						"name": "",
-						"type": "bytes32"
-					}
-				],
-				"payable": false,
-				"stateMutability": "view",
-				"type": "function"
-			},
-			{
-				"constant": true,
-				"inputs": [
-					{
-						"components": [
-							{
-								"name": "salt",
-								"type": "uint256"
-							},
-							{
-								"name": "signerAddress",
-								"type": "address"
-							},
-							{
-								"name": "data",
-								"type": "bytes"
-							}
-						],
-						"name": "transaction",
-						"type": "tuple"
-					},
-					{
-						"name": "txOrigin",
-						"type": "address"
-					},
-					{
-						"name": "transactionSignature",
-						"type": "bytes"
-					},
-					{
-						"name": "approvalExpirationTimeSeconds",
-						"type": "uint256[]"
-					},
-					{
-						"name": "approvalSignatures",
-						"type": "bytes[]"
-					}
-				],
-				"name": "assertValidCoordinatorApprovals",
-				"outputs": [],
-				"payable": false,
-				"stateMutability": "view",
-				"type": "function"
-			},
-			{
-				"constant": true,
-				"inputs": [
-					{
-						"name": "data",
-						"type": "bytes"
-					}
-				],
-				"name": "decodeOrdersFromFillData",
-				"outputs": [
-					{
-						"components": [
-							{
-								"name": "makerAddress",
-								"type": "address"
-							},
-							{
-								"name": "takerAddress",
-								"type": "address"
-							},
-							{
-								"name": "feeRecipientAddress",
-								"type": "address"
-							},
-							{
-								"name": "senderAddress",
-								"type": "address"
-							},
-							{
-								"name": "makerAssetAmount",
-								"type": "uint256"
-							},
-							{
-								"name": "takerAssetAmount",
-								"type": "uint256"
-							},
-							{
-								"name": "makerFee",
-								"type": "uint256"
-							},
-							{
-								"name": "takerFee",
-								"type": "uint256"
-							},
-							{
-								"name": "expirationTimeSeconds",
-								"type": "uint256"
-							},
-							{
-								"name": "salt",
-								"type": "uint256"
-							},
-							{
-								"name": "makerAssetData",
-								"type": "bytes"
-							},
-							{
-								"name": "takerAssetData",
-								"type": "bytes"
-							}
-						],
-						"name": "orders",
-						"type": "tuple[]"
-					}
-				],
-				"payable": false,
-				"stateMutability": "pure",
-				"type": "function"
-			},
-			{
-				"constant": true,
-				"inputs": [],
-				"name": "EIP712_COORDINATOR_DOMAIN_HASH",
-				"outputs": [
-					{
-						"name": "",
-						"type": "bytes32"
-					}
-				],
-				"payable": false,
-				"stateMutability": "view",
-				"type": "function"
-			},
-			{
-				"inputs": [
-					{
-						"name": "_exchange",
-						"type": "address"
-					}
-				],
-				"payable": false,
-				"stateMutability": "nonpayable",
-				"type": "constructor"
-			}
-		],
-		"evm": {
-			"bytecode": {
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0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x17D SWAP1 PUSH2 0x1C7B JUMP JUMPDEST PUSH1 0x0 DUP2 PUSH1 0xFF AND PUSH1 0x4 DUP2 GT ISZERO PUSH2 0x1E1 JUMPI INVALID JUMPDEST SWAP1 POP PUSH1 0x0 DUP2 PUSH1 0x4 DUP2 GT ISZERO PUSH2 0x1F1 JUMPI INVALID JUMPDEST EQ ISZERO PUSH2 0x229 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x17D SWAP1 PUSH2 0x1D46 JUMP JUMPDEST PUSH1 0x1 DUP2 PUSH1 0x4 DUP2 GT ISZERO PUSH2 0x237 JUMPI INVALID JUMPDEST EQ ISZERO PUSH2 0x2A8 JUMPI DUP4 MLOAD ISZERO PUSH2 0x276 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x17D SWAP1 PUSH2 0x1E48 JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x17D SWAP1 PUSH2 0x1DB4 JUMP JUMPDEST PUSH1 0x2 DUP2 PUSH1 0x4 DUP2 GT ISZERO PUSH2 0x2B6 JUMPI INVALID JUMPDEST EQ ISZERO PUSH2 0x3BB JUMPI DUP4 MLOAD PUSH1 0x41 EQ PUSH2 0x2F7 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x17D SWAP1 PUSH2 0x1AD4 JUMP JUMPDEST PUSH1 0x0 DUP5 PUSH1 0x0 DUP2 MLOAD DUP2 LT PUSH2 0x306 JUMPI INVALID JUMPDEST ADD PUSH1 0x20 ADD MLOAD PUSH1 0xF8 SWAP1 DUP2 SHR DUP2 SHL SWAP1 SHR SWAP1 POP PUSH1 0x0 PUSH2 0x329 DUP7 PUSH1 0x1 PUSH4 0xFFFFFFFF PUSH2 0xB18 AND JUMP JUMPDEST SWAP1 POP PUSH1 0x0 PUSH2 0x33E DUP8 PUSH1 0x21 PUSH4 0xFFFFFFFF PUSH2 0xB18 AND JUMP JUMPDEST SWAP1 POP PUSH1 0x1 DUP9 DUP5 DUP5 DUP5 PUSH1 0x40 MLOAD PUSH1 0x0 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x40 MSTORE PUSH1 0x40 MLOAD PUSH2 0x363 SWAP5 SWAP4 SWAP3 SWAP2 SWAP1 PUSH2 0x1AB6 JUMP JUMPDEST PUSH1 0x20 PUSH1 0x40 MLOAD PUSH1 0x20 DUP2 SUB SWAP1 DUP1 DUP5 SUB SWAP1 DUP6 GAS STATICCALL ISZERO DUP1 ISZERO PUSH2 0x385 JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP POP PUSH1 0x40 MLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 ADD MLOAD SWAP7 POP PUSH2 0x4CE SWAP6 POP POP POP POP POP POP JUMP JUMPDEST PUSH1 0x3 DUP2 PUSH1 0x4 DUP2 GT ISZERO PUSH2 0x3C9 JUMPI INVALID JUMPDEST EQ ISZERO PUSH2 0x49C JUMPI DUP4 MLOAD PUSH1 0x41 EQ PUSH2 0x40A JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x17D SWAP1 PUSH2 0x1AD4 JUMP JUMPDEST PUSH1 0x0 DUP5 PUSH1 0x0 DUP2 MLOAD DUP2 LT PUSH2 0x419 JUMPI INVALID JUMPDEST ADD PUSH1 0x20 ADD MLOAD PUSH1 0xF8 SWAP1 DUP2 SHR DUP2 SHL SWAP1 SHR SWAP1 POP PUSH1 0x0 PUSH2 0x43C DUP7 PUSH1 0x1 PUSH4 0xFFFFFFFF PUSH2 0xB18 AND JUMP JUMPDEST SWAP1 POP PUSH1 0x0 PUSH2 0x451 DUP8 PUSH1 0x21 PUSH4 0xFFFFFFFF PUSH2 0xB18 AND JUMP JUMPDEST SWAP1 POP PUSH1 0x1 DUP9 PUSH1 0x40 MLOAD PUSH1 0x20 ADD PUSH2 0x466 SWAP2 SWAP1 PUSH2 0x1927 JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH1 0x20 DUP2 DUP4 SUB SUB DUP2 MSTORE SWAP1 PUSH1 0x40 MSTORE DUP1 MLOAD SWAP1 PUSH1 0x20 ADD KECCAK256 DUP5 DUP5 DUP5 PUSH1 0x40 MLOAD PUSH1 0x0 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x40 MSTORE PUSH1 0x40 MLOAD PUSH2 0x363 SWAP5 SWAP4 SWAP3 SWAP2 SWAP1 PUSH2 0x1AB6 JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x17D SWAP1 PUSH2 0x1C7B JUMP JUMPDEST SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 PUSH2 0x4CE PUSH2 0x4E2 DUP4 PUSH2 0xB61 JUMP JUMPDEST PUSH2 0xBCF JUMP JUMPDEST PUSH1 0x0 PUSH2 0x4CE PUSH2 0x4F5 DUP4 PUSH2 0xBDD JUMP JUMPDEST PUSH2 0xC3C JUMP JUMPDEST PUSH2 0x507 DUP6 DUP6 DUP6 DUP6 DUP6 PUSH2 0x5AC JUMP JUMPDEST PUSH1 0x0 SLOAD DUP6 MLOAD PUSH1 0x20 DUP8 ADD MLOAD PUSH1 0x40 DUP1 DUP10 ADD MLOAD SWAP1 MLOAD PUSH32 0xBFC8BFCE00000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP5 AND SWAP4 PUSH4 0xBFC8BFCE SWAP4 PUSH2 0x56D SWAP4 SWAP1 SWAP3 SWAP1 SWAP2 DUP10 SWAP1 PUSH1 0x4 ADD PUSH2 0x1E7F JUMP JUMPDEST PUSH1 0x0 PUSH1 0x40 MLOAD DUP1 DUP4 SUB DUP2 PUSH1 0x0 DUP8 DUP1 EXTCODESIZE ISZERO DUP1 ISZERO PUSH2 0x587 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP GAS CALL ISZERO DUP1 ISZERO PUSH2 0x59B JUMPI RETURNDATASIZE PUSH1 0x0 DUP1 RETURNDATACOPY RETURNDATASIZE PUSH1 0x0 REVERT JUMPDEST POP POP POP POP POP POP POP POP POP JUMP JUMPDEST PUSH1 0x2 SLOAD DUP2 JUMP JUMPDEST PUSH1 0x60 PUSH2 0x5BB DUP7 PUSH1 0x40 ADD MLOAD PUSH2 0x5DB JUMP JUMPDEST DUP1 MLOAD SWAP1 SWAP2 POP ISZERO PUSH2 0x5D3 JUMPI PUSH2 0x5D3 DUP7 DUP3 DUP8 DUP8 DUP8 DUP8 PUSH2 0xC4A JUMP JUMPDEST POP POP POP POP POP POP JUMP JUMPDEST PUSH1 0x60 PUSH1 0x0 PUSH2 0x5EF DUP4 DUP3 PUSH4 0xFFFFFFFF PUSH2 0xE98 AND JUMP JUMPDEST SWAP1 POP PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 DUP2 AND PUSH32 0xB4BE83D500000000000000000000000000000000000000000000000000000000 EQ DUP1 PUSH2 0x682 JUMPI POP PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 DUP2 AND PUSH32 0x3E228BAE00000000000000000000000000000000000000000000000000000000 EQ JUMPDEST DUP1 PUSH2 0x6CE JUMPI POP PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 DUP2 AND PUSH32 0x64A3BC1500000000000000000000000000000000000000000000000000000000 EQ JUMPDEST ISZERO PUSH2 0x757 JUMPI PUSH2 0x6DB PUSH2 0x11DB JUMP JUMPDEST DUP4 MLOAD PUSH2 0x6F1 SWAP1 DUP6 SWAP1 PUSH1 0x4 SWAP1 PUSH4 0xFFFFFFFF PUSH2 0xF03 AND JUMP JUMPDEST DUP1 PUSH1 0x20 ADD SWAP1 MLOAD PUSH2 0x704 SWAP2 SWAP1 DUP2 ADD SWAP1 PUSH2 0x16ED JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH1 0x1 DUP1 DUP3 MSTORE DUP2 DUP4 ADD SWAP1 SWAP3 MSTORE SWAP2 SWAP3 POP DUP2 PUSH1 0x20 ADD JUMPDEST PUSH2 0x723 PUSH2 0x11DB JUMP JUMPDEST DUP2 MSTORE PUSH1 0x20 ADD SWAP1 PUSH1 0x1 SWAP1 SUB SWAP1 DUP2 PUSH2 0x71B JUMPI SWAP1 POP POP SWAP3 POP DUP1 DUP4 PUSH1 0x0 DUP2 MLOAD DUP2 LT PUSH2 0x746 JUMPI INVALID JUMPDEST PUSH1 0x20 MUL PUSH1 0x20 ADD ADD DUP2 SWAP1 MSTORE POP POP PUSH2 0xA89 JUMP JUMPDEST PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 DUP2 AND PUSH32 0x297BB70B00000000000000000000000000000000000000000000000000000000 EQ DUP1 PUSH2 0x7E8 JUMPI POP PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 DUP2 AND PUSH32 0x50DDE19000000000000000000000000000000000000000000000000000000000 EQ JUMPDEST DUP1 PUSH2 0x834 JUMPI POP PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 DUP2 AND PUSH32 0x4D0AE54600000000000000000000000000000000000000000000000000000000 EQ JUMPDEST DUP1 PUSH2 0x880 JUMPI POP PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 DUP2 AND PUSH32 0xE5FA431B00000000000000000000000000000000000000000000000000000000 EQ JUMPDEST DUP1 PUSH2 0x8CC JUMPI POP PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 DUP2 AND PUSH32 0xA3E2038000000000000000000000000000000000000000000000000000000000 EQ JUMPDEST DUP1 PUSH2 0x918 JUMPI POP PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 DUP2 AND PUSH32 0x7E1D980800000000000000000000000000000000000000000000000000000000 EQ JUMPDEST DUP1 PUSH2 0x964 JUMPI POP PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 DUP2 AND PUSH32 0xDD1C7D1800000000000000000000000000000000000000000000000000000000 EQ JUMPDEST ISZERO PUSH2 0x999 JUMPI DUP3 MLOAD PUSH2 0x97F SWAP1 DUP5 SWAP1 PUSH1 0x4 SWAP1 PUSH4 0xFFFFFFFF PUSH2 0xF03 AND JUMP JUMPDEST DUP1 PUSH1 0x20 ADD SWAP1 MLOAD PUSH2 0x992 SWAP2 SWAP1 DUP2 ADD SWAP1 PUSH2 0x154B JUMP JUMPDEST SWAP2 POP PUSH2 0xA89 JUMP JUMPDEST PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 DUP2 AND PUSH32 0x3C28D86100000000000000000000000000000000000000000000000000000000 EQ ISZERO PUSH2 0xA89 JUMPI PUSH2 0x9EB PUSH2 0x11DB JUMP JUMPDEST PUSH2 0x9F3 PUSH2 0x11DB JUMP JUMPDEST DUP5 MLOAD PUSH2 0xA09 SWAP1 DUP7 SWAP1 PUSH1 0x4 SWAP1 PUSH4 0xFFFFFFFF PUSH2 0xF03 AND JUMP JUMPDEST DUP1 PUSH1 0x20 ADD SWAP1 MLOAD PUSH2 0xA1C SWAP2 SWAP1 DUP2 ADD SWAP1 PUSH2 0x1722 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH1 0x2 DUP1 DUP3 MSTORE PUSH1 0x60 DUP3 ADD SWAP1 SWAP3 MSTORE SWAP3 SWAP5 POP SWAP1 SWAP3 POP DUP2 PUSH1 0x20 ADD JUMPDEST PUSH2 0xA3F PUSH2 0x11DB JUMP JUMPDEST DUP2 MSTORE PUSH1 0x20 ADD SWAP1 PUSH1 0x1 SWAP1 SUB SWAP1 DUP2 PUSH2 0xA37 JUMPI SWAP1 POP POP SWAP4 POP DUP2 DUP5 PUSH1 0x0 DUP2 MLOAD DUP2 LT PUSH2 0xA62 JUMPI INVALID JUMPDEST PUSH1 0x20 MUL PUSH1 0x20 ADD ADD DUP2 SWAP1 MSTORE POP DUP1 DUP5 PUSH1 0x1 DUP2 MLOAD DUP2 LT PUSH2 0xA7B JUMPI INVALID JUMPDEST PUSH1 0x20 MUL PUSH1 0x20 ADD ADD DUP2 SWAP1 MSTORE POP POP POP JUMPDEST POP SWAP2 SWAP1 POP JUMP JUMPDEST PUSH1 0x1 SLOAD DUP2 JUMP JUMPDEST PUSH1 0x0 DUP1 DUP3 MLOAD GT PUSH2 0xAD1 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x17D SWAP1 PUSH2 0x1CE9 JUMP JUMPDEST DUP2 PUSH1 0x1 DUP4 MLOAD SUB DUP2 MLOAD DUP2 LT PUSH2 0xAE1 JUMPI INVALID JUMPDEST ADD PUSH1 0x20 ADD MLOAD DUP3 MLOAD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF ADD SWAP1 SWAP3 MSTORE POP PUSH1 0xF8 SWAP1 DUP2 SHR SWAP1 SHL SWAP1 JUMP JUMPDEST PUSH1 0x0 DUP2 PUSH1 0x20 ADD DUP4 MLOAD LT ISZERO PUSH2 0xB58 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x17D SWAP1 PUSH2 0x1C1E JUMP JUMPDEST POP ADD PUSH1 0x20 ADD MLOAD SWAP1 JUMP JUMPDEST PUSH1 0x40 DUP2 DUP2 ADD MLOAD DUP3 MLOAD PUSH1 0x20 SWAP4 DUP5 ADD MLOAD DUP3 MLOAD SWAP3 DUP6 ADD SWAP3 SWAP1 SWAP3 KECCAK256 DUP4 MLOAD PUSH32 0x213C6F636F3EA94E701C0ADF9B2624AA45A6C694F9A292C094F9A81C24B5DF4C DUP2 MSTORE SWAP5 DUP6 ADD SWAP2 SWAP1 SWAP2 MSTORE PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP2 AND SWAP2 DUP4 ADD SWAP2 SWAP1 SWAP2 MSTORE PUSH1 0x60 DUP3 ADD MSTORE PUSH1 0x80 SWAP1 KECCAK256 SWAP1 JUMP JUMPDEST PUSH1 0x0 PUSH2 0x4CE PUSH1 0x2 SLOAD DUP4 PUSH2 0xFCF JUMP JUMPDEST PUSH1 0x40 DUP1 DUP3 ADD MLOAD DUP3 MLOAD PUSH1 0x20 DUP1 DUP6 ADD MLOAD PUSH1 0x60 DUP7 DUP2 ADD MLOAD DUP6 MLOAD SWAP6 DUP5 ADD SWAP6 SWAP1 SWAP6 KECCAK256 DUP7 MLOAD PUSH32 0x2FBCDBAA76BC7589916958AE919DFBEF04D23F6BBF26DE6FF317B32C6CC01E05 DUP2 MSTORE SWAP4 DUP5 ADD SWAP5 SWAP1 SWAP5 MSTORE SWAP5 DUP3 ADD MSTORE SWAP3 DUP4 ADD MSTORE PUSH1 0x80 DUP3 ADD MSTORE PUSH1 0xA0 SWAP1 KECCAK256 SWAP2 SWAP1 POP JUMP JUMPDEST PUSH1 0x0 PUSH2 0x4CE PUSH1 0x1 SLOAD DUP4 PUSH2 0xFCF JUMP JUMPDEST ORIGIN PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP6 AND EQ PUSH2 0xC99 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x17D SWAP1 PUSH2 0x1CB2 JUMP JUMPDEST PUSH1 0x0 PUSH2 0xCA4 DUP8 PUSH2 0x4D4 JUMP JUMPDEST PUSH1 0x40 DUP1 MLOAD PUSH1 0x0 DUP1 DUP3 MSTORE PUSH1 0x20 DUP3 ADD SWAP1 SWAP3 MSTORE DUP5 MLOAD SWAP3 SWAP4 POP SWAP2 SWAP1 JUMPDEST DUP2 DUP2 EQ PUSH2 0xDA5 JUMPI PUSH1 0x0 DUP7 DUP3 DUP2 MLOAD DUP2 LT PUSH2 0xCD1 JUMPI INVALID JUMPDEST PUSH1 0x20 MUL PUSH1 0x20 ADD ADD MLOAD SWAP1 POP PUSH2 0xCE3 PUSH2 0x1294 JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 PUSH1 0x80 ADD PUSH1 0x40 MSTORE DUP1 DUP12 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 MSTORE PUSH1 0x20 ADD DUP8 DUP2 MSTORE PUSH1 0x20 ADD DUP11 DUP2 MSTORE PUSH1 0x20 ADD DUP4 DUP2 MSTORE POP SWAP1 POP TIMESTAMP DUP3 GT PUSH2 0xD55 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x17D SWAP1 PUSH2 0x1BE7 JUMP JUMPDEST PUSH1 0x0 PUSH2 0xD60 DUP3 PUSH2 0x4E7 JUMP JUMPDEST SWAP1 POP PUSH1 0x0 PUSH2 0xD81 DUP3 DUP11 DUP8 DUP2 MLOAD DUP2 LT PUSH2 0xD74 JUMPI INVALID JUMPDEST PUSH1 0x20 MUL PUSH1 0x20 ADD ADD MLOAD PUSH2 0x141 JUMP JUMPDEST SWAP1 POP PUSH2 0xD93 DUP8 DUP3 PUSH4 0xFFFFFFFF PUSH2 0x1009 AND JUMP JUMPDEST SWAP7 POP POP PUSH1 0x1 SWAP1 SWAP4 ADD SWAP3 POP PUSH2 0xCBC SWAP2 POP POP JUMP JUMPDEST POP PUSH2 0xDB6 DUP3 ORIGIN PUSH4 0xFFFFFFFF PUSH2 0x1009 AND JUMP JUMPDEST DUP9 MLOAD SWAP1 SWAP3 POP PUSH1 0x0 JUMPDEST DUP2 DUP2 EQ PUSH2 0xE8B JUMPI PUSH1 0x0 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP11 DUP3 DUP2 MLOAD DUP2 LT PUSH2 0xDE9 JUMPI INVALID JUMPDEST PUSH1 0x20 MUL PUSH1 0x20 ADD ADD MLOAD PUSH1 0x60 ADD MLOAD PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND EQ ISZERO PUSH2 0xE16 JUMPI PUSH2 0xE83 JUMP JUMPDEST PUSH1 0x0 DUP11 DUP3 DUP2 MLOAD DUP2 LT PUSH2 0xE24 JUMPI INVALID JUMPDEST PUSH1 0x20 MUL PUSH1 0x20 ADD ADD MLOAD PUSH1 0x40 ADD MLOAD SWAP1 POP PUSH1 0x0 PUSH2 0xE47 DUP3 DUP8 PUSH2 0x10D0 SWAP1 SWAP2 SWAP1 PUSH4 0xFFFFFFFF AND JUMP JUMPDEST SWAP1 POP DUP1 PUSH2 0xE80 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x17D SWAP1 PUSH2 0x1B0B JUMP JUMPDEST POP POP JUMPDEST PUSH1 0x1 ADD PUSH2 0xDBE JUMP JUMPDEST POP POP POP POP POP POP POP POP POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP2 PUSH1 0x4 ADD DUP4 MLOAD LT ISZERO PUSH2 0xED8 JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x17D SWAP1 PUSH2 0x1DEB JUMP JUMPDEST POP ADD PUSH1 0x20 ADD MLOAD PUSH32 0xFFFFFFFF00000000000000000000000000000000000000000000000000000000 AND SWAP1 JUMP JUMPDEST PUSH1 0x60 DUP2 DUP4 GT ISZERO PUSH2 0xF3F JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x17D SWAP1 PUSH2 0x1B42 JUMP JUMPDEST DUP4 MLOAD DUP3 GT ISZERO PUSH2 0xF7A JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x17D SWAP1 PUSH2 0x1B79 JUMP JUMPDEST DUP3 DUP3 SUB PUSH1 0x40 MLOAD SWAP1 DUP1 DUP3 MSTORE DUP1 PUSH1 0x1F ADD PUSH1 0x1F NOT AND PUSH1 0x20 ADD DUP3 ADD PUSH1 0x40 MSTORE DUP1 ISZERO PUSH2 0xFA7 JUMPI PUSH1 0x20 DUP3 ADD DUP2 DUP1 CODESIZE DUP4 CODECOPY ADD SWAP1 POP JUMPDEST POP SWAP1 POP PUSH2 0xFC8 PUSH2 0xFB6 DUP3 PUSH2 0x1111 JUMP JUMPDEST DUP5 PUSH2 0xFC0 DUP8 PUSH2 0x1111 JUMP JUMPDEST ADD DUP4 MLOAD PUSH2 0x1117 JUMP JUMPDEST SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH1 0x40 MLOAD PUSH32 0x1901000000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x2 DUP2 ADD SWAP3 SWAP1 SWAP3 MSTORE PUSH1 0x22 DUP3 ADD MSTORE PUSH1 0x42 SWAP1 KECCAK256 SWAP1 JUMP JUMPDEST DUP2 MLOAD PUSH1 0x40 MLOAD PUSH1 0x60 SWAP2 DUP5 SWAP1 PUSH1 0x20 DUP1 DUP3 MUL DUP1 DUP5 ADD DUP3 ADD SWAP3 SWAP2 ADD DUP3 DUP6 LT ISZERO PUSH2 0x105A JUMPI PUSH1 0x40 MLOAD PUSH32 0x8C379A000000000000000000000000000000000000000000000000000000000 DUP2 MSTORE PUSH1 0x4 ADD PUSH2 0x17D SWAP1 PUSH2 0x1BB0 JUMP JUMPDEST DUP3 DUP6 GT ISZERO PUSH2 0x1074 JUMPI PUSH2 0x106D DUP6 DUP6 DUP4 PUSH2 0x1117 JUMP JUMPDEST DUP5 SWAP8 POP DUP8 SWAP4 POP JUMPDEST PUSH1 0x1 DUP3 ADD SWAP2 POP PUSH1 0x20 DUP2 ADD SWAP1 POP DUP1 DUP5 ADD SWAP3 POP DUP3 SWAP5 POP DUP2 DUP9 MSTORE DUP5 PUSH1 0x40 MSTORE DUP7 DUP9 PUSH1 0x1 DUP5 SUB DUP2 MLOAD DUP2 LT PUSH2 0x109F JUMPI INVALID JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP1 SWAP3 AND PUSH1 0x20 SWAP3 DUP4 MUL SWAP2 SWAP1 SWAP2 ADD SWAP1 SWAP2 ADD MSTORE POP SWAP6 SWAP7 SWAP6 POP POP POP POP POP POP JUMP JUMPDEST PUSH1 0x0 PUSH1 0x20 DUP4 MLOAD MUL PUSH1 0x20 DUP5 ADD DUP2 DUP2 ADD DUP2 SWAP3 POP JUMPDEST DUP1 DUP4 LT ISZERO PUSH2 0x1108 JUMPI DUP3 MLOAD DUP1 DUP7 EQ ISZERO PUSH2 0x10FC JUMPI PUSH1 0x1 SWAP5 POP DUP2 SWAP4 POP JUMPDEST POP PUSH1 0x20 DUP4 ADD SWAP3 POP PUSH2 0x10E2 JUMP JUMPDEST POP POP POP SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x20 ADD SWAP1 JUMP JUMPDEST PUSH1 0x20 DUP2 LT ISZERO PUSH2 0x1141 JUMPI PUSH1 0x1 DUP2 PUSH1 0x20 SUB PUSH2 0x100 EXP SUB DUP1 NOT DUP4 MLOAD AND DUP2 DUP6 MLOAD AND DUP1 DUP3 OR DUP7 MSTORE POP POP POP PUSH2 0x11D6 JUMP JUMPDEST DUP3 DUP3 EQ ISZERO PUSH2 0x114E JUMPI PUSH2 0x11D6 JUMP JUMPDEST DUP3 DUP3 GT ISZERO PUSH2 0x1188 JUMPI PUSH1 0x20 DUP2 SUB SWAP1 POP DUP1 DUP3 ADD DUP2 DUP5 ADD DUP2 MLOAD JUMPDEST DUP3 DUP6 LT ISZERO PUSH2 0x1180 JUMPI DUP5 MLOAD DUP7 MSTORE PUSH1 0x20 SWAP6 DUP7 ADD SWAP6 SWAP1 SWAP5 ADD SWAP4 PUSH2 0x1165 JUMP JUMPDEST SWAP1 MSTORE POP PUSH2 0x11D6 JUMP JUMPDEST PUSH1 0x20 DUP2 SUB SWAP1 POP DUP1 DUP3 ADD DUP2 DUP5 ADD DUP4 MLOAD JUMPDEST DUP2 DUP7 SLT ISZERO PUSH2 0x11D1 JUMPI DUP3 MLOAD DUP3 MSTORE PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 SWAP3 DUP4 ADD SWAP3 SWAP1 SWAP2 ADD SWAP1 PUSH2 0x1197 JUMP JUMPDEST DUP6 MSTORE POP POP JUMPDEST POP POP POP JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 PUSH2 0x180 ADD PUSH1 0x40 MSTORE DUP1 PUSH1 0x0 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x60 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x60 DUP2 MSTORE POP SWAP1 JUMP JUMPDEST PUSH1 0x40 MLOAD DUP1 PUSH1 0x80 ADD PUSH1 0x40 MSTORE DUP1 PUSH1 0x0 PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 DUP1 NOT AND DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x60 DUP2 MSTORE PUSH1 0x20 ADD PUSH1 0x0 DUP2 MSTORE POP SWAP1 JUMP JUMPDEST DUP1 MLOAD PUSH2 0x4CE DUP2 PUSH2 0x1F8C JUMP JUMPDEST PUSH1 0x0 DUP3 PUSH1 0x1F DUP4 ADD SLT PUSH2 0x12F0 JUMPI DUP1 DUP2 REVERT JUMPDEST DUP2 CALLDATALOAD PUSH2 0x1303 PUSH2 0x12FE DUP3 PUSH2 0x1EF8 JUMP JUMPDEST PUSH2 0x1ED1 JUMP JUMPDEST DUP2 DUP2 MSTORE SWAP2 POP PUSH1 0x20 DUP1 DUP4 ADD SWAP1 DUP5 ADD PUSH1 0x0 JUMPDEST DUP4 DUP2 LT ISZERO PUSH2 0x1340 JUMPI PUSH2 0x132B DUP8 PUSH1 0x20 DUP5 CALLDATALOAD DUP10 ADD ADD PUSH2 0x134A JUMP JUMPDEST DUP4 MSTORE PUSH1 0x20 SWAP3 DUP4 ADD SWAP3 SWAP2 SWAP1 SWAP2 ADD SWAP1 PUSH1 0x1 ADD PUSH2 0x1313 JUMP JUMPDEST POP POP POP POP SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 DUP3 PUSH1 0x1F DUP4 ADD SLT PUSH2 0x135A JUMPI DUP1 DUP2 REVERT JUMPDEST DUP2 CALLDATALOAD PUSH2 0x1368 PUSH2 0x12FE DUP3 PUSH2 0x1F19 JUMP JUMPDEST SWAP2 POP DUP1 DUP3 MSTORE DUP4 PUSH1 0x20 DUP3 DUP6 ADD ADD GT ISZERO PUSH2 0x137F JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP1 PUSH1 0x20 DUP5 ADD PUSH1 0x20 DUP5 ADD CALLDATACOPY PUSH1 0x0 SWAP1 DUP3 ADD PUSH1 0x20 ADD MSTORE SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 DUP3 PUSH1 0x1F DUP4 ADD SLT PUSH2 0x13A9 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 MLOAD PUSH2 0x13B7 PUSH2 0x12FE DUP3 PUSH2 0x1F19 JUMP JUMPDEST SWAP2 POP DUP1 DUP3 MSTORE DUP4 PUSH1 0x20 DUP3 DUP6 ADD ADD GT ISZERO PUSH2 0x13CE JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x13DF DUP2 PUSH1 0x20 DUP5 ADD PUSH1 0x20 DUP7 ADD PUSH2 0x1F5C JUMP JUMPDEST POP SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 PUSH2 0x180 DUP1 DUP4 DUP6 SUB SLT ISZERO PUSH2 0x13F9 JUMPI DUP2 DUP3 REVERT JUMPDEST PUSH2 0x1402 DUP2 PUSH2 0x1ED1 JUMP JUMPDEST SWAP2 POP POP PUSH2 0x140F DUP4 DUP4 PUSH2 0x12D5 JUMP JUMPDEST DUP2 MSTORE PUSH2 0x141E DUP4 PUSH1 0x20 DUP5 ADD PUSH2 0x12D5 JUMP JUMPDEST PUSH1 0x20 DUP3 ADD MSTORE PUSH2 0x1430 DUP4 PUSH1 0x40 DUP5 ADD PUSH2 0x12D5 JUMP JUMPDEST PUSH1 0x40 DUP3 ADD MSTORE PUSH2 0x1442 DUP4 PUSH1 0x60 DUP5 ADD PUSH2 0x12D5 JUMP JUMPDEST PUSH1 0x60 DUP3 ADD MSTORE PUSH1 0x80 DUP3 ADD MLOAD PUSH1 0x80 DUP3 ADD MSTORE PUSH1 0xA0 DUP3 ADD MLOAD PUSH1 0xA0 DUP3 ADD MSTORE PUSH1 0xC0 DUP3 ADD MLOAD PUSH1 0xC0 DUP3 ADD MSTORE PUSH1 0xE0 DUP3 ADD MLOAD PUSH1 0xE0 DUP3 ADD MSTORE PUSH2 0x100 DUP1 DUP4 ADD MLOAD DUP2 DUP4 ADD MSTORE POP PUSH2 0x120 DUP1 DUP4 ADD MLOAD DUP2 DUP4 ADD MSTORE POP PUSH2 0x140 DUP1 DUP4 ADD MLOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP1 DUP3 GT ISZERO PUSH2 0x14A4 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x14B0 DUP7 DUP4 DUP8 ADD PUSH2 0x1398 JUMP JUMPDEST DUP4 DUP6 ADD MSTORE PUSH2 0x160 SWAP3 POP DUP3 DUP6 ADD MLOAD SWAP2 POP DUP1 DUP3 GT ISZERO PUSH2 0x14CC JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x14D9 DUP6 DUP3 DUP7 ADD PUSH2 0x1398 JUMP JUMPDEST DUP3 DUP5 ADD MSTORE POP POP SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 PUSH1 0x60 DUP3 DUP5 SUB SLT ISZERO PUSH2 0x14F6 JUMPI DUP1 DUP2 REVERT JUMPDEST PUSH2 0x1500 PUSH1 0x60 PUSH2 0x1ED1 JUMP JUMPDEST SWAP1 POP DUP2 CALLDATALOAD DUP2 MSTORE PUSH1 0x20 DUP3 ADD CALLDATALOAD PUSH2 0x1514 DUP2 PUSH2 0x1F8C JUMP JUMPDEST PUSH1 0x20 DUP3 ADD MSTORE PUSH1 0x40 DUP3 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x1533 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x153F DUP5 DUP3 DUP6 ADD PUSH2 0x134A JUMP JUMPDEST PUSH1 0x40 DUP4 ADD MSTORE POP SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH1 0x0 PUSH1 0x20 DUP1 DUP4 DUP6 SUB SLT ISZERO PUSH2 0x155D JUMPI DUP2 DUP3 REVERT JUMPDEST DUP3 MLOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x1573 JUMPI DUP3 DUP4 REVERT JUMPDEST DUP1 DUP5 ADD DUP6 PUSH1 0x1F DUP3 ADD SLT PUSH2 0x1584 JUMPI DUP4 DUP5 REVERT JUMPDEST DUP1 MLOAD SWAP2 POP PUSH2 0x1594 PUSH2 0x12FE DUP4 PUSH2 0x1EF8 JUMP JUMPDEST DUP3 DUP2 MSTORE DUP4 DUP2 ADD SWAP1 DUP3 DUP6 ADD DUP7 JUMPDEST DUP6 DUP2 LT ISZERO PUSH2 0x15C9 JUMPI PUSH2 0x15B7 DUP11 DUP9 DUP5 MLOAD DUP9 ADD ADD PUSH2 0x13E6 JUMP JUMPDEST DUP5 MSTORE SWAP3 DUP7 ADD SWAP3 SWAP1 DUP7 ADD SWAP1 PUSH1 0x1 ADD PUSH2 0x15A0 JUMP JUMPDEST POP SWAP1 SWAP9 SWAP8 POP POP POP POP POP POP POP POP JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x40 DUP4 DUP6 SUB SLT ISZERO PUSH2 0x15EA JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP3 CALLDATALOAD SWAP2 POP PUSH1 0x20 DUP4 ADD CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x1608 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x1614 DUP6 DUP3 DUP7 ADD PUSH2 0x134A JUMP JUMPDEST SWAP2 POP POP SWAP3 POP SWAP3 SWAP1 POP JUMP JUMPDEST PUSH1 0x0 PUSH1 0x20 DUP3 DUP5 SUB SLT ISZERO PUSH2 0x1630 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x1647 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x1653 DUP5 DUP3 DUP6 ADD PUSH2 0x134A JUMP JUMPDEST SWAP5 SWAP4 POP POP POP POP JUMP JUMPDEST PUSH1 0x0 PUSH1 0x20 DUP3 DUP5 SUB SLT ISZERO PUSH2 0x166C JUMPI DUP1 DUP2 REVERT JUMPDEST DUP2 CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP1 DUP3 GT ISZERO PUSH2 0x1683 JUMPI DUP3 DUP4 REVERT JUMPDEST DUP2 DUP5 ADD PUSH1 0x80 DUP2 DUP8 SUB SLT ISZERO PUSH2 0x1695 JUMPI DUP4 DUP5 REVERT JUMPDEST PUSH2 0x169F PUSH1 0x80 PUSH2 0x1ED1 JUMP JUMPDEST SWAP3 POP DUP1 CALLDATALOAD PUSH2 0x16AC DUP2 PUSH2 0x1F8C JUMP JUMPDEST DUP4 MSTORE PUSH1 0x20 DUP2 DUP2 ADD CALLDATALOAD SWAP1 DUP5 ADD MSTORE PUSH1 0x40 DUP2 ADD CALLDATALOAD DUP3 DUP2 GT ISZERO PUSH2 0x16C9 JUMPI DUP5 DUP6 REVERT JUMPDEST PUSH2 0x16D5 DUP8 DUP3 DUP5 ADD PUSH2 0x134A JUMP JUMPDEST PUSH1 0x40 DUP6 ADD MSTORE POP PUSH1 0x60 SWAP1 DUP2 ADD CALLDATALOAD SWAP1 DUP4 ADD MSTORE POP SWAP4 SWAP3 POP POP POP JUMP JUMPDEST PUSH1 0x0 PUSH1 0x20 DUP3 DUP5 SUB SLT ISZERO PUSH2 0x16FF JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 MLOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x1716 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x1653 DUP5 DUP3 DUP6 ADD PUSH2 0x13E6 JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x40 DUP4 DUP6 SUB SLT ISZERO PUSH2 0x1735 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP3 MLOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP1 DUP3 GT ISZERO PUSH2 0x174D JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x1759 DUP7 DUP4 DUP8 ADD PUSH2 0x13E6 JUMP JUMPDEST SWAP4 POP PUSH1 0x20 DUP6 ADD MLOAD SWAP2 POP DUP1 DUP3 GT ISZERO PUSH2 0x176F JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH2 0x1614 DUP6 DUP3 DUP7 ADD PUSH2 0x13E6 JUMP JUMPDEST PUSH1 0x0 PUSH1 0x20 DUP3 DUP5 SUB SLT ISZERO PUSH2 0x178E JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST DUP2 CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT ISZERO PUSH2 0x17A5 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH2 0x1653 DUP5 DUP3 DUP6 ADD PUSH2 0x14E5 JUMP JUMPDEST PUSH1 0x0 DUP1 PUSH1 0x0 DUP1 PUSH1 0x0 PUSH1 0xA0 DUP7 DUP9 SUB SLT ISZERO PUSH2 0x17C8 JUMPI DUP1 DUP2 REVERT JUMPDEST DUP6 CALLDATALOAD PUSH8 0xFFFFFFFFFFFFFFFF DUP1 DUP3 GT ISZERO PUSH2 0x17DF JUMPI DUP3 DUP4 REVERT JUMPDEST PUSH2 0x17EB DUP10 DUP4 DUP11 ADD PUSH2 0x14E5 JUMP JUMPDEST SWAP7 POP PUSH1 0x20 SWAP2 POP DUP2 DUP9 ADD CALLDATALOAD PUSH2 0x17FE DUP2 PUSH2 0x1F8C JUMP JUMPDEST SWAP6 POP PUSH1 0x40 DUP9 ADD CALLDATALOAD DUP2 DUP2 GT ISZERO PUSH2 0x1811 JUMPI DUP4 DUP5 REVERT JUMPDEST PUSH2 0x181D DUP11 DUP3 DUP12 ADD PUSH2 0x134A JUMP JUMPDEST SWAP6 POP POP PUSH1 0x60 DUP9 ADD CALLDATALOAD DUP2 DUP2 GT ISZERO PUSH2 0x1831 JUMPI DUP4 DUP5 REVERT JUMPDEST DUP1 DUP10 ADD DUP11 PUSH1 0x1F DUP3 ADD SLT PUSH2 0x1842 JUMPI DUP5 DUP6 REVERT JUMPDEST DUP1 CALLDATALOAD SWAP2 POP PUSH2 0x1852 PUSH2 0x12FE DUP4 PUSH2 0x1EF8 JUMP JUMPDEST DUP3 DUP2 MSTORE DUP5 DUP2 ADD SWAP1 DUP3 DUP7 ADD DUP7 DUP6 MUL DUP5 ADD DUP8 ADD DUP15 LT ISZERO PUSH2 0x186E JUMPI DUP8 DUP9 REVERT JUMPDEST DUP8 SWAP4 POP JUMPDEST DUP5 DUP5 LT ISZERO PUSH2 0x1890 JUMPI DUP1 CALLDATALOAD DUP4 MSTORE PUSH1 0x1 SWAP4 SWAP1 SWAP4 ADD SWAP3 SWAP2 DUP7 ADD SWAP2 DUP7 ADD PUSH2 0x1872 JUMP JUMPDEST POP SWAP7 POP POP POP POP PUSH1 0x80 DUP9 ADD CALLDATALOAD SWAP2 POP DUP1 DUP3 GT ISZERO PUSH2 0x18A9 JUMPI DUP3 DUP4 REVERT JUMPDEST POP PUSH2 0x18B6 DUP9 DUP3 DUP10 ADD PUSH2 0x12E0 JUMP JUMPDEST SWAP2 POP POP SWAP3 SWAP6 POP SWAP3 SWAP6 SWAP1 SWAP4 POP JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF AND SWAP1 MSTORE JUMP JUMPDEST PUSH1 0x0 DUP2 MLOAD DUP1 DUP5 MSTORE PUSH2 0x18F5 DUP2 PUSH1 0x20 DUP7 ADD PUSH1 0x20 DUP7 ADD PUSH2 0x1F5C JUMP JUMPDEST PUSH1 0x1F ADD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 AND SWAP3 SWAP1 SWAP3 ADD PUSH1 0x20 ADD SWAP3 SWAP2 POP POP JUMP JUMPDEST PUSH32 0x19457468657265756D205369676E6564204D6573736167653A0A333200000000 DUP2 MSTORE PUSH1 0x1C DUP2 ADD SWAP2 SWAP1 SWAP2 MSTORE PUSH1 0x3C ADD SWAP1 JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF SWAP2 SWAP1 SWAP2 AND DUP2 MSTORE PUSH1 0x20 ADD SWAP1 JUMP JUMPDEST PUSH1 0x0 PUSH1 0x20 DUP1 DUP4 ADD DUP2 DUP5 MSTORE DUP1 DUP6 MLOAD DUP1 DUP4 MSTORE PUSH1 0x40 DUP7 ADD SWAP2 POP PUSH1 0x40 DUP5 DUP3 MUL DUP8 ADD ADD SWAP3 POP DUP4 DUP8 ADD PUSH1 0x0 JUMPDEST DUP3 DUP2 LT ISZERO PUSH2 0x1AA0 JUMPI PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFC0 DUP9 DUP7 SUB ADD DUP5 MSTORE DUP2 MLOAD PUSH2 0x180 PUSH2 0x19DE DUP8 DUP4 MLOAD PUSH2 0x18C3 JUMP JUMPDEST DUP8 DUP3 ADD MLOAD PUSH2 0x19EE DUP10 DUP10 ADD DUP3 PUSH2 0x18C3 JUMP JUMPDEST POP PUSH1 0x40 DUP3 ADD MLOAD PUSH2 0x1A01 PUSH1 0x40 DUP10 ADD DUP3 PUSH2 0x18C3 JUMP JUMPDEST POP PUSH1 0x60 DUP3 ADD MLOAD PUSH2 0x1A14 PUSH1 0x60 DUP10 ADD DUP3 PUSH2 0x18C3 JUMP JUMPDEST POP PUSH1 0x80 DUP3 ADD MLOAD PUSH1 0x80 DUP9 ADD MSTORE PUSH1 0xA0 DUP3 ADD MLOAD PUSH1 0xA0 DUP9 ADD MSTORE PUSH1 0xC0 DUP3 ADD MLOAD PUSH1 0xC0 DUP9 ADD MSTORE PUSH1 0xE0 DUP3 ADD MLOAD PUSH1 0xE0 DUP9 ADD MSTORE PUSH2 0x100 DUP1 DUP4 ADD MLOAD DUP2 DUP10 ADD MSTORE POP PUSH2 0x120 DUP1 DUP4 ADD MLOAD DUP2 DUP10 ADD MSTORE POP PUSH2 0x140 DUP1 DUP4 ADD MLOAD DUP3 DUP3 DUP11 ADD MSTORE PUSH2 0x1A6D DUP4 DUP11 ADD DUP3 PUSH2 0x18DD JUMP JUMPDEST SWAP2 POP POP PUSH2 0x160 SWAP2 POP DUP2 DUP4 ADD MLOAD DUP9 DUP3 SUB DUP4 DUP11 ADD MSTORE PUSH2 0x1A8A DUP3 DUP3 PUSH2 0x18DD JUMP JUMPDEST SWAP9 POP POP POP SWAP5 DUP8 ADD SWAP5 POP POP SWAP1 DUP6 ADD SWAP1 PUSH1 0x1 ADD PUSH2 0x199F JUMP JUMPDEST POP SWAP3 SWAP8 SWAP7 POP POP POP POP POP POP POP JUMP JUMPDEST SWAP1 DUP2 MSTORE PUSH1 0x20 ADD SWAP1 JUMP JUMPDEST SWAP4 DUP5 MSTORE PUSH1 0xFF SWAP3 SWAP1 SWAP3 AND PUSH1 0x20 DUP5 ADD MSTORE PUSH1 0x40 DUP4 ADD MSTORE PUSH1 0x60 DUP3 ADD MSTORE PUSH1 0x80 ADD SWAP1 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE PUSH1 0x12 SWAP1 DUP3 ADD MSTORE PUSH32 0x4C454E4754485F36355F52455155495245440000000000000000000000000000 PUSH1 0x40 DUP3 ADD MSTORE PUSH1 0x60 ADD SWAP1 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE PUSH1 0x1A SWAP1 DUP3 ADD MSTORE PUSH32 0x494E56414C49445F415050524F56414C5F5349474E4154555245000000000000 PUSH1 0x40 DUP3 ADD MSTORE PUSH1 0x60 ADD SWAP1 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE PUSH1 0x1A SWAP1 DUP3 ADD MSTORE PUSH32 0x46524F4D5F4C4553535F5448414E5F544F5F5245515549524544000000000000 PUSH1 0x40 DUP3 ADD MSTORE PUSH1 0x60 ADD SWAP1 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE PUSH1 0x1C SWAP1 DUP3 ADD MSTORE PUSH32 0x544F5F4C4553535F5448414E5F4C454E4754485F524551554952454400000000 PUSH1 0x40 DUP3 ADD MSTORE PUSH1 0x60 ADD SWAP1 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE PUSH1 0x17 SWAP1 DUP3 ADD MSTORE PUSH32 0x494E56414C49445F465245455F4D454D4F52595F505452000000000000000000 PUSH1 0x40 DUP3 ADD MSTORE PUSH1 0x60 ADD SWAP1 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE PUSH1 0x10 SWAP1 DUP3 ADD MSTORE PUSH32 0x415050524F56414C5F4558504952454400000000000000000000000000000000 PUSH1 0x40 DUP3 ADD MSTORE PUSH1 0x60 ADD SWAP1 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE PUSH1 0x26 SWAP1 DUP3 ADD MSTORE PUSH32 0x475245415445525F4F525F455155414C5F544F5F33325F4C454E4754485F5245 PUSH1 0x40 DUP3 ADD MSTORE PUSH32 0x5155495245440000000000000000000000000000000000000000000000000000 PUSH1 0x60 DUP3 ADD MSTORE PUSH1 0x80 ADD SWAP1 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE PUSH1 0x15 SWAP1 DUP3 ADD MSTORE PUSH32 0x5349474E41545552455F554E535550504F525445440000000000000000000000 PUSH1 0x40 DUP3 ADD MSTORE PUSH1 0x60 ADD SWAP1 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE PUSH1 0xE SWAP1 DUP3 ADD MSTORE PUSH32 0x494E56414C49445F4F524947494E000000000000000000000000000000000000 PUSH1 0x40 DUP3 ADD MSTORE PUSH1 0x60 ADD SWAP1 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE PUSH1 0x21 SWAP1 DUP3 ADD MSTORE PUSH32 0x475245415445525F5448414E5F5A45524F5F4C454E4754485F52455155495245 PUSH1 0x40 DUP3 ADD MSTORE PUSH32 0x4400000000000000000000000000000000000000000000000000000000000000 PUSH1 0x60 DUP3 ADD MSTORE PUSH1 0x80 ADD SWAP1 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE PUSH1 0x11 SWAP1 DUP3 ADD MSTORE PUSH32 0x5349474E41545552455F494C4C4547414C000000000000000000000000000000 PUSH1 0x40 DUP3 ADD MSTORE PUSH1 0x60 ADD SWAP1 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE PUSH1 0x1E SWAP1 DUP3 ADD MSTORE PUSH32 0x4C454E4754485F475245415445525F5448414E5F305F52455155495245440000 PUSH1 0x40 DUP3 ADD MSTORE PUSH1 0x60 ADD SWAP1 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE PUSH1 0x11 SWAP1 DUP3 ADD MSTORE PUSH32 0x5349474E41545552455F494E56414C4944000000000000000000000000000000 PUSH1 0x40 DUP3 ADD MSTORE PUSH1 0x60 ADD SWAP1 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE PUSH1 0x25 SWAP1 DUP3 ADD MSTORE PUSH32 0x475245415445525F4F525F455155414C5F544F5F345F4C454E4754485F524551 PUSH1 0x40 DUP3 ADD MSTORE PUSH32 0x5549524544000000000000000000000000000000000000000000000000000000 PUSH1 0x60 DUP3 ADD MSTORE PUSH1 0x80 ADD SWAP1 JUMP JUMPDEST PUSH1 0x20 DUP1 DUP3 MSTORE PUSH1 0x11 SWAP1 DUP3 ADD MSTORE PUSH32 0x4C454E4754485F305F5245515549524544000000000000000000000000000000 PUSH1 0x40 DUP3 ADD MSTORE PUSH1 0x60 ADD SWAP1 JUMP JUMPDEST PUSH1 0x0 DUP6 DUP3 MSTORE PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP6 AND PUSH1 0x20 DUP4 ADD MSTORE PUSH1 0x80 PUSH1 0x40 DUP4 ADD MSTORE PUSH2 0x1EB4 PUSH1 0x80 DUP4 ADD DUP6 PUSH2 0x18DD JUMP JUMPDEST DUP3 DUP2 SUB PUSH1 0x60 DUP5 ADD MSTORE PUSH2 0x1EC6 DUP2 DUP6 PUSH2 0x18DD JUMP JUMPDEST SWAP8 SWAP7 POP POP POP POP POP POP POP JUMP JUMPDEST PUSH1 0x40 MLOAD DUP2 DUP2 ADD PUSH8 0xFFFFFFFFFFFFFFFF DUP2 GT DUP3 DUP3 LT OR ISZERO PUSH2 0x1EF0 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST PUSH1 0x40 MSTORE SWAP2 SWAP1 POP JUMP JUMPDEST PUSH1 0x0 PUSH8 0xFFFFFFFFFFFFFFFF DUP3 GT ISZERO PUSH2 0x1F0F JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH1 0x20 SWAP1 DUP2 MUL ADD SWAP1 JUMP JUMPDEST PUSH1 0x0 PUSH8 0xFFFFFFFFFFFFFFFF DUP3 GT ISZERO PUSH2 0x1F30 JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP PUSH1 0x1F ADD PUSH32 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFE0 AND PUSH1 0x20 ADD SWAP1 JUMP JUMPDEST PUSH1 0x0 JUMPDEST DUP4 DUP2 LT ISZERO PUSH2 0x1F77 JUMPI DUP2 DUP2 ADD MLOAD DUP4 DUP3 ADD MSTORE PUSH1 0x20 ADD PUSH2 0x1F5F JUMP JUMPDEST DUP4 DUP2 GT ISZERO PUSH2 0x1F86 JUMPI PUSH1 0x0 DUP5 DUP5 ADD MSTORE JUMPDEST POP POP POP POP JUMP JUMPDEST PUSH20 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF DUP2 AND DUP2 EQ PUSH2 0x1FAE JUMPI PUSH1 0x0 DUP1 REVERT JUMPDEST POP JUMP INVALID LOG2 PUSH6 0x627A7A723058 KECCAK256 0xbc 0xdb 0x4a 0xab RETURNDATACOPY BYTE DIV 0xea 0x5c 0xd6 0xc1 CODESIZE SWAP2 GT AND 0xce 0xac EXTCODEHASH 0xac DUP9 0xde NOT SWAP6 0xc4 0xd3 CALLCODE 0x4f 0xdd EXTCODEHASH TIMESTAMP 0xf 0xb6 PUSH13 0x6578706572696D656E74616CF5 STOP CALLDATACOPY ",
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-			}
-		}
-	},
-	"sourceTreeHashHex": "0xcd3a1dbf858b46a5820dab320baad978613f07ec73d35b6cbbde13c2937bbc04",
-	"networks": {}
+    "schemaVersion": "2.0.0",
+    "contractName": "Coordinator",
+    "compilerOutput": {
+        "abi": [
+            {
+                "constant": true,
+                "inputs": [{ "name": "hash", "type": "bytes32" }, { "name": "signature", "type": "bytes" }],
+                "name": "getSignerAddress",
+                "outputs": [{ "name": "signerAddress", "type": "address" }],
+                "payable": false,
+                "stateMutability": "pure",
+                "type": "function"
+            },
+            {
+                "constant": true,
+                "inputs": [
+                    {
+                        "components": [
+                            { "name": "salt", "type": "uint256" },
+                            { "name": "signerAddress", "type": "address" },
+                            { "name": "data", "type": "bytes" }
+                        ],
+                        "name": "transaction",
+                        "type": "tuple"
+                    }
+                ],
+                "name": "getTransactionHash",
+                "outputs": [{ "name": "transactionHash", "type": "bytes32" }],
+                "payable": false,
+                "stateMutability": "view",
+                "type": "function"
+            },
+            {
+                "constant": true,
+                "inputs": [
+                    {
+                        "components": [
+                            { "name": "txOrigin", "type": "address" },
+                            { "name": "transactionHash", "type": "bytes32" },
+                            { "name": "transactionSignature", "type": "bytes" },
+                            { "name": "approvalExpirationTimeSeconds", "type": "uint256" }
+                        ],
+                        "name": "approval",
+                        "type": "tuple"
+                    }
+                ],
+                "name": "getCoordinatorApprovalHash",
+                "outputs": [{ "name": "approvalHash", "type": "bytes32" }],
+                "payable": false,
+                "stateMutability": "view",
+                "type": "function"
+            },
+            {
+                "constant": false,
+                "inputs": [
+                    {
+                        "components": [
+                            { "name": "salt", "type": "uint256" },
+                            { "name": "signerAddress", "type": "address" },
+                            { "name": "data", "type": "bytes" }
+                        ],
+                        "name": "transaction",
+                        "type": "tuple"
+                    },
+                    { "name": "txOrigin", "type": "address" },
+                    { "name": "transactionSignature", "type": "bytes" },
+                    { "name": "approvalExpirationTimeSeconds", "type": "uint256[]" },
+                    { "name": "approvalSignatures", "type": "bytes[]" }
+                ],
+                "name": "executeTransaction",
+                "outputs": [],
+                "payable": false,
+                "stateMutability": "nonpayable",
+                "type": "function"
+            },
+            {
+                "constant": true,
+                "inputs": [],
+                "name": "EIP712_EXCHANGE_DOMAIN_HASH",
+                "outputs": [{ "name": "", "type": "bytes32" }],
+                "payable": false,
+                "stateMutability": "view",
+                "type": "function"
+            },
+            {
+                "constant": true,
+                "inputs": [
+                    {
+                        "components": [
+                            { "name": "salt", "type": "uint256" },
+                            { "name": "signerAddress", "type": "address" },
+                            { "name": "data", "type": "bytes" }
+                        ],
+                        "name": "transaction",
+                        "type": "tuple"
+                    },
+                    { "name": "txOrigin", "type": "address" },
+                    { "name": "transactionSignature", "type": "bytes" },
+                    { "name": "approvalExpirationTimeSeconds", "type": "uint256[]" },
+                    { "name": "approvalSignatures", "type": "bytes[]" }
+                ],
+                "name": "assertValidCoordinatorApprovals",
+                "outputs": [],
+                "payable": false,
+                "stateMutability": "view",
+                "type": "function"
+            },
+            {
+                "constant": true,
+                "inputs": [{ "name": "data", "type": "bytes" }],
+                "name": "decodeOrdersFromFillData",
+                "outputs": [
+                    {
+                        "components": [
+                            { "name": "makerAddress", "type": "address" },
+                            { "name": "takerAddress", "type": "address" },
+                            { "name": "feeRecipientAddress", "type": "address" },
+                            { "name": "senderAddress", "type": "address" },
+                            { "name": "makerAssetAmount", "type": "uint256" },
+                            { "name": "takerAssetAmount", "type": "uint256" },
+                            { "name": "makerFee", "type": "uint256" },
+                            { "name": "takerFee", "type": "uint256" },
+                            { "name": "expirationTimeSeconds", "type": "uint256" },
+                            { "name": "salt", "type": "uint256" },
+                            { "name": "makerAssetData", "type": "bytes" },
+                            { "name": "takerAssetData", "type": "bytes" }
+                        ],
+                        "name": "orders",
+                        "type": "tuple[]"
+                    }
+                ],
+                "payable": false,
+                "stateMutability": "pure",
+                "type": "function"
+            },
+            {
+                "constant": true,
+                "inputs": [],
+                "name": "EIP712_COORDINATOR_DOMAIN_HASH",
+                "outputs": [{ "name": "", "type": "bytes32" }],
+                "payable": false,
+                "stateMutability": "view",
+                "type": "function"
+            },
+            {
+                "inputs": [{ "name": "_exchange", "type": "address" }],
+                "payable": false,
+                "stateMutability": "nonpayable",
+                "type": "constructor"
+            }
+        ],
+        "evm": {
+            "bytecode": {
+                "object": 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+            }
+        }
+    },
+    "networks": {}
 }
diff --git a/python-packages/contract_artifacts/src/zero_ex/contract_artifacts/artifacts/CoordinatorRegistry.json b/python-packages/contract_artifacts/src/zero_ex/contract_artifacts/artifacts/CoordinatorRegistry.json
index 90bf9ea609..77fac839a7 100644
--- a/python-packages/contract_artifacts/src/zero_ex/contract_artifacts/artifacts/CoordinatorRegistry.json
+++ b/python-packages/contract_artifacts/src/zero_ex/contract_artifacts/artifacts/CoordinatorRegistry.json
@@ -1,71 +1,42 @@
 {
-	"schemaVersion": "2.0.0",
-	"contractName": "CoordinatorRegistry",
-	"compilerOutput": {
-		"abi": [
-			{
-				"constant": false,
-				"inputs": [
-					{
-						"name": "coordinatorEndpoint",
-						"type": "string"
-					}
-				],
-				"name": "setCoordinatorEndpoint",
-				"outputs": [],
-				"payable": false,
-				"stateMutability": "nonpayable",
-				"type": "function"
-			},
-			{
-				"constant": true,
-				"inputs": [
-					{
-						"name": "coordinatorOperator",
-						"type": "address"
-					}
-				],
-				"name": "getCoordinatorEndpoint",
-				"outputs": [
-					{
-						"name": "coordinatorEndpoint",
-						"type": "string"
-					}
-				],
-				"payable": false,
-				"stateMutability": "view",
-				"type": "function"
-			},
-			{
-				"inputs": [],
-				"payable": false,
-				"stateMutability": "nonpayable",
-				"type": "constructor"
-			},
-			{
-				"anonymous": false,
-				"inputs": [
-					{
-						"indexed": false,
-						"name": "coordinatorOperator",
-						"type": "address"
-					},
-					{
-						"indexed": false,
-						"name": "coordinatorEndpoint",
-						"type": "string"
-					}
-				],
-				"name": "CoordinatorEndpointSet",
-				"type": "event"
-			}
-		],
-		"evm": {
-			"bytecode": {
-				"linkReferences": {},
-				"object": "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"
-			}
-		}
-	},
-	"networks": {}
+    "schemaVersion": "2.0.0",
+    "contractName": "CoordinatorRegistry",
+    "compilerOutput": {
+        "abi": [
+            {
+                "constant": false,
+                "inputs": [{ "name": "coordinatorEndpoint", "type": "string" }],
+                "name": "setCoordinatorEndpoint",
+                "outputs": [],
+                "payable": false,
+                "stateMutability": "nonpayable",
+                "type": "function"
+            },
+            {
+                "constant": true,
+                "inputs": [{ "name": "coordinatorOperator", "type": "address" }],
+                "name": "getCoordinatorEndpoint",
+                "outputs": [{ "name": "coordinatorEndpoint", "type": "string" }],
+                "payable": false,
+                "stateMutability": "view",
+                "type": "function"
+            },
+            { "inputs": [], "payable": false, "stateMutability": "nonpayable", "type": "constructor" },
+            {
+                "anonymous": false,
+                "inputs": [
+                    { "indexed": false, "name": "coordinatorOperator", "type": "address" },
+                    { "indexed": false, "name": "coordinatorEndpoint", "type": "string" }
+                ],
+                "name": "CoordinatorEndpointSet",
+                "type": "event"
+            }
+        ],
+        "evm": {
+            "bytecode": {
+                "object": "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"
+            }
+        }
+    },
+    "networks": {}
 }
diff --git a/python-packages/contract_artifacts/src/zero_ex/contract_artifacts/artifacts/DummyERC20Token.json b/python-packages/contract_artifacts/src/zero_ex/contract_artifacts/artifacts/DummyERC20Token.json
index 7b8e7c3a8c..4c37318cf0 100644
--- a/python-packages/contract_artifacts/src/zero_ex/contract_artifacts/artifacts/DummyERC20Token.json
+++ b/python-packages/contract_artifacts/src/zero_ex/contract_artifacts/artifacts/DummyERC20Token.json
@@ -7,35 +7,16 @@
                 "constant": true,
                 "inputs": [],
                 "name": "name",
-                "outputs": [
-                    {
-                        "name": "",
-                        "type": "string"
-                    }
-                ],
+                "outputs": [{ "name": "", "type": "string" }],
                 "payable": false,
                 "stateMutability": "view",
                 "type": "function"
             },
             {
                 "constant": false,
-                "inputs": [
-                    {
-                        "name": "_spender",
-                        "type": "address"
-                    },
-                    {
-                        "name": "_value",
-                        "type": "uint256"
-                    }
-                ],
+                "inputs": [{ "name": "_spender", "type": "address" }, { "name": "_value", "type": "uint256" }],
                 "name": "approve",
-                "outputs": [
-                    {
-                        "name": "",
-                        "type": "bool"
-                    }
-                ],
+                "outputs": [{ "name": "", "type": "bool" }],
                 "payable": false,
                 "stateMutability": "nonpayable",
                 "type": "function"
@@ -44,12 +25,7 @@
                 "constant": true,
                 "inputs": [],
                 "name": "totalSupply",
-                "outputs": [
-                    {
-                        "name": "",
-                        "type": "uint256"
-                    }
-                ],
+                "outputs": [{ "name": "", "type": "uint256" }],
                 "payable": false,
                 "stateMutability": "view",
                 "type": "function"
@@ -57,26 +33,12 @@
             {
                 "constant": false,
                 "inputs": [
-                    {
-                        "name": "_from",
-                        "type": "address"
-                    },
-                    {
-                        "name": "_to",
-                        "type": "address"
-                    },
-                    {
-                        "name": "_value",
-                        "type": "uint256"
-                    }
+                    { "name": "_from", "type": "address" },
+                    { "name": "_to", "type": "address" },
+                    { "name": "_value", "type": "uint256" }
                 ],
                 "name": "transferFrom",
-                "outputs": [
-                    {
-                        "name": "",
-                        "type": "bool"
-                    }
-                ],
+                "outputs": [{ "name": "", "type": "bool" }],
                 "payable": false,
                 "stateMutability": "nonpayable",
                 "type": "function"
@@ -85,31 +47,16 @@
                 "constant": true,
                 "inputs": [],
                 "name": "decimals",
-                "outputs": [
-                    {
-                        "name": "",
-                        "type": "uint256"
-                    }
-                ],
+                "outputs": [{ "name": "", "type": "uint256" }],
                 "payable": false,
                 "stateMutability": "view",
                 "type": "function"
             },
             {
                 "constant": true,
-                "inputs": [
-                    {
-                        "name": "_owner",
-                        "type": "address"
-                    }
-                ],
+                "inputs": [{ "name": "_owner", "type": "address" }],
                 "name": "balanceOf",
-                "outputs": [
-                    {
-                        "name": "",
-                        "type": "uint256"
-                    }
-                ],
+                "outputs": [{ "name": "", "type": "uint256" }],
                 "payable": false,
                 "stateMutability": "view",
                 "type": "function"
@@ -118,12 +65,7 @@
                 "constant": true,
                 "inputs": [],
                 "name": "owner",
-                "outputs": [
-                    {
-                        "name": "",
-                        "type": "address"
-                    }
-                ],
+                "outputs": [{ "name": "", "type": "address" }],
                 "payable": false,
                 "stateMutability": "view",
                 "type": "function"
@@ -132,24 +74,14 @@
                 "constant": true,
                 "inputs": [],
                 "name": "symbol",
-                "outputs": [
-                    {
-                        "name": "",
-                        "type": "string"
-                    }
-                ],
+                "outputs": [{ "name": "", "type": "string" }],
                 "payable": false,
                 "stateMutability": "view",
                 "type": "function"
             },
             {
                 "constant": false,
-                "inputs": [
-                    {
-                        "name": "_value",
-                        "type": "uint256"
-                    }
-                ],
+                "inputs": [{ "name": "_value", "type": "uint256" }],
                 "name": "mint",
                 "outputs": [],
                 "payable": false,
@@ -158,62 +90,25 @@
             },
             {
                 "constant": false,
-                "inputs": [
-                    {
-                        "name": "_to",
-                        "type": "address"
-                    },
-                    {
-                        "name": "_value",
-                        "type": "uint256"
-                    }
-                ],
+                "inputs": [{ "name": "_to", "type": "address" }, { "name": "_value", "type": "uint256" }],
                 "name": "transfer",
-                "outputs": [
-                    {
-                        "name": "",
-                        "type": "bool"
-                    }
-                ],
+                "outputs": [{ "name": "", "type": "bool" }],
                 "payable": false,
                 "stateMutability": "nonpayable",
                 "type": "function"
             },
             {
                 "constant": true,
-                "inputs": [
-                    {
-                        "name": "_owner",
-                        "type": "address"
-                    },
-                    {
-                        "name": "_spender",
-                        "type": "address"
-                    }
-                ],
+                "inputs": [{ "name": "_owner", "type": "address" }, { "name": "_spender", "type": "address" }],
                 "name": "allowance",
-                "outputs": [
-                    {
-                        "name": "",
-                        "type": "uint256"
-                    }
-                ],
+                "outputs": [{ "name": "", "type": "uint256" }],
                 "payable": false,
                 "stateMutability": "view",
                 "type": "function"
             },
             {
                 "constant": false,
-                "inputs": [
-                    {
-                        "name": "_target",
-                        "type": "address"
-                    },
-                    {
-                        "name": "_value",
-                        "type": "uint256"
-                    }
-                ],
+                "inputs": [{ "name": "_target", "type": "address" }, { "name": "_value", "type": "uint256" }],
                 "name": "setBalance",
                 "outputs": [],
                 "payable": false,
@@ -222,12 +117,7 @@
             },
             {
                 "constant": false,
-                "inputs": [
-                    {
-                        "name": "newOwner",
-                        "type": "address"
-                    }
-                ],
+                "inputs": [{ "name": "newOwner", "type": "address" }],
                 "name": "transferOwnership",
                 "outputs": [],
                 "payable": false,
@@ -238,34 +128,17 @@
                 "constant": true,
                 "inputs": [],
                 "name": "MAX_MINT_AMOUNT",
-                "outputs": [
-                    {
-                        "name": "",
-                        "type": "uint256"
-                    }
-                ],
+                "outputs": [{ "name": "", "type": "uint256" }],
                 "payable": false,
                 "stateMutability": "view",
                 "type": "function"
             },
             {
                 "inputs": [
-                    {
-                        "name": "_name",
-                        "type": "string"
-                    },
-                    {
-                        "name": "_symbol",
-                        "type": "string"
-                    },
-                    {
-                        "name": "_decimals",
-                        "type": "uint256"
-                    },
-                    {
-                        "name": "_totalSupply",
-                        "type": "uint256"
-                    }
+                    { "name": "_name", "type": "string" },
+                    { "name": "_symbol", "type": "string" },
+                    { "name": "_decimals", "type": "uint256" },
+                    { "name": "_totalSupply", "type": "uint256" }
                 ],
                 "payable": false,
                 "stateMutability": "nonpayable",
@@ -274,21 +147,9 @@
             {
                 "anonymous": false,
                 "inputs": [
-                    {
-                        "indexed": true,
-                        "name": "_from",
-                        "type": "address"
-                    },
-                    {
-                        "indexed": true,
-                        "name": "_to",
-                        "type": "address"
-                    },
-                    {
-                        "indexed": false,
-                        "name": "_value",
-                        "type": "uint256"
-                    }
+                    { "indexed": true, "name": "_from", "type": "address" },
+                    { "indexed": true, "name": "_to", "type": "address" },
+                    { "indexed": false, "name": "_value", "type": "uint256" }
                 ],
                 "name": "Transfer",
                 "type": "event"
@@ -296,21 +157,9 @@
             {
                 "anonymous": false,
                 "inputs": [
-                    {
-                        "indexed": true,
-                        "name": "_owner",
-                        "type": "address"
-                    },
-                    {
-                        "indexed": true,
-                        "name": "_spender",
-                        "type": "address"
-                    },
-                    {
-                        "indexed": false,
-                        "name": "_value",
-                        "type": "uint256"
-                    }
+                    { "indexed": true, "name": "_owner", "type": "address" },
+                    { "indexed": true, "name": "_spender", "type": "address" },
+                    { "indexed": false, "name": "_value", "type": "uint256" }
                 ],
                 "name": "Approval",
                 "type": "event"
@@ -318,9 +167,7 @@
         ],
         "evm": {
             "bytecode": {
-                "linkReferences": {},
-                "object":
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             }
         }
     },
diff --git a/python-packages/contract_artifacts/src/zero_ex/contract_artifacts/artifacts/DummyERC721Token.json b/python-packages/contract_artifacts/src/zero_ex/contract_artifacts/artifacts/DummyERC721Token.json
index 7472a5a03a..7003a27b44 100644
--- a/python-packages/contract_artifacts/src/zero_ex/contract_artifacts/artifacts/DummyERC721Token.json
+++ b/python-packages/contract_artifacts/src/zero_ex/contract_artifacts/artifacts/DummyERC721Token.json
@@ -7,47 +7,23 @@
                 "constant": true,
                 "inputs": [],
                 "name": "name",
-                "outputs": [
-                    {
-                        "name": "",
-                        "type": "string"
-                    }
-                ],
+                "outputs": [{ "name": "", "type": "string" }],
                 "payable": false,
                 "stateMutability": "view",
                 "type": "function"
             },
             {
                 "constant": true,
-                "inputs": [
-                    {
-                        "name": "_tokenId",
-                        "type": "uint256"
-                    }
-                ],
+                "inputs": [{ "name": "_tokenId", "type": "uint256" }],
                 "name": "getApproved",
-                "outputs": [
-                    {
-                        "name": "",
-                        "type": "address"
-                    }
-                ],
+                "outputs": [{ "name": "", "type": "address" }],
                 "payable": false,
                 "stateMutability": "view",
                 "type": "function"
             },
             {
                 "constant": false,
-                "inputs": [
-                    {
-                        "name": "_approved",
-                        "type": "address"
-                    },
-                    {
-                        "name": "_tokenId",
-                        "type": "uint256"
-                    }
-                ],
+                "inputs": [{ "name": "_approved", "type": "address" }, { "name": "_tokenId", "type": "uint256" }],
                 "name": "approve",
                 "outputs": [],
                 "payable": false,
@@ -57,18 +33,9 @@
             {
                 "constant": false,
                 "inputs": [
-                    {
-                        "name": "_from",
-                        "type": "address"
-                    },
-                    {
-                        "name": "_to",
-                        "type": "address"
-                    },
-                    {
-                        "name": "_tokenId",
-                        "type": "uint256"
-                    }
+                    { "name": "_from", "type": "address" },
+                    { "name": "_to", "type": "address" },
+                    { "name": "_tokenId", "type": "uint256" }
                 ],
                 "name": "transferFrom",
                 "outputs": [],
@@ -78,16 +45,7 @@
             },
             {
                 "constant": false,
-                "inputs": [
-                    {
-                        "name": "_to",
-                        "type": "address"
-                    },
-                    {
-                        "name": "_tokenId",
-                        "type": "uint256"
-                    }
-                ],
+                "inputs": [{ "name": "_to", "type": "address" }, { "name": "_tokenId", "type": "uint256" }],
                 "name": "mint",
                 "outputs": [],
                 "payable": false,
@@ -97,18 +55,9 @@
             {
                 "constant": false,
                 "inputs": [
-                    {
-                        "name": "_from",
-                        "type": "address"
-                    },
-                    {
-                        "name": "_to",
-                        "type": "address"
-                    },
-                    {
-                        "name": "_tokenId",
-                        "type": "uint256"
-                    }
+                    { "name": "_from", "type": "address" },
+                    { "name": "_to", "type": "address" },
+                    { "name": "_tokenId", "type": "uint256" }
                 ],
                 "name": "safeTransferFrom",
                 "outputs": [],
@@ -118,38 +67,18 @@
             },
             {
                 "constant": true,
-                "inputs": [
-                    {
-                        "name": "_tokenId",
-                        "type": "uint256"
-                    }
-                ],
+                "inputs": [{ "name": "_tokenId", "type": "uint256" }],
                 "name": "ownerOf",
-                "outputs": [
-                    {
-                        "name": "",
-                        "type": "address"
-                    }
-                ],
+                "outputs": [{ "name": "", "type": "address" }],
                 "payable": false,
                 "stateMutability": "view",
                 "type": "function"
             },
             {
                 "constant": true,
-                "inputs": [
-                    {
-                        "name": "_owner",
-                        "type": "address"
-                    }
-                ],
+                "inputs": [{ "name": "_owner", "type": "address" }],
                 "name": "balanceOf",
-                "outputs": [
-                    {
-                        "name": "",
-                        "type": "uint256"
-                    }
-                ],
+                "outputs": [{ "name": "", "type": "uint256" }],
                 "payable": false,
                 "stateMutability": "view",
                 "type": "function"
@@ -158,12 +87,7 @@
                 "constant": true,
                 "inputs": [],
                 "name": "owner",
-                "outputs": [
-                    {
-                        "name": "",
-                        "type": "address"
-                    }
-                ],
+                "outputs": [{ "name": "", "type": "address" }],
                 "payable": false,
                 "stateMutability": "view",
                 "type": "function"
@@ -172,28 +96,14 @@
                 "constant": true,
                 "inputs": [],
                 "name": "symbol",
-                "outputs": [
-                    {
-                        "name": "",
-                        "type": "string"
-                    }
-                ],
+                "outputs": [{ "name": "", "type": "string" }],
                 "payable": false,
                 "stateMutability": "view",
                 "type": "function"
             },
             {
                 "constant": false,
-                "inputs": [
-                    {
-                        "name": "_owner",
-                        "type": "address"
-                    },
-                    {
-                        "name": "_tokenId",
-                        "type": "uint256"
-                    }
-                ],
+                "inputs": [{ "name": "_owner", "type": "address" }, { "name": "_tokenId", "type": "uint256" }],
                 "name": "burn",
                 "outputs": [],
                 "payable": false,
@@ -202,16 +112,7 @@
             },
             {
                 "constant": false,
-                "inputs": [
-                    {
-                        "name": "_operator",
-                        "type": "address"
-                    },
-                    {
-                        "name": "_approved",
-                        "type": "bool"
-                    }
-                ],
+                "inputs": [{ "name": "_operator", "type": "address" }, { "name": "_approved", "type": "bool" }],
                 "name": "setApprovalForAll",
                 "outputs": [],
                 "payable": false,
@@ -221,22 +122,10 @@
             {
                 "constant": false,
                 "inputs": [
-                    {
-                        "name": "_from",
-                        "type": "address"
-                    },
-                    {
-                        "name": "_to",
-                        "type": "address"
-                    },
-                    {
-                        "name": "_tokenId",
-                        "type": "uint256"
-                    },
-                    {
-                        "name": "_data",
-                        "type": "bytes"
-                    }
+                    { "name": "_from", "type": "address" },
+                    { "name": "_to", "type": "address" },
+                    { "name": "_tokenId", "type": "uint256" },
+                    { "name": "_data", "type": "bytes" }
                 ],
                 "name": "safeTransferFrom",
                 "outputs": [],
@@ -246,35 +135,16 @@
             },
             {
                 "constant": true,
-                "inputs": [
-                    {
-                        "name": "_owner",
-                        "type": "address"
-                    },
-                    {
-                        "name": "_operator",
-                        "type": "address"
-                    }
-                ],
+                "inputs": [{ "name": "_owner", "type": "address" }, { "name": "_operator", "type": "address" }],
                 "name": "isApprovedForAll",
-                "outputs": [
-                    {
-                        "name": "",
-                        "type": "bool"
-                    }
-                ],
+                "outputs": [{ "name": "", "type": "bool" }],
                 "payable": false,
                 "stateMutability": "view",
                 "type": "function"
             },
             {
                 "constant": false,
-                "inputs": [
-                    {
-                        "name": "newOwner",
-                        "type": "address"
-                    }
-                ],
+                "inputs": [{ "name": "newOwner", "type": "address" }],
                 "name": "transferOwnership",
                 "outputs": [],
                 "payable": false,
@@ -282,16 +152,7 @@
                 "type": "function"
             },
             {
-                "inputs": [
-                    {
-                        "name": "_name",
-                        "type": "string"
-                    },
-                    {
-                        "name": "_symbol",
-                        "type": "string"
-                    }
-                ],
+                "inputs": [{ "name": "_name", "type": "string" }, { "name": "_symbol", "type": "string" }],
                 "payable": false,
                 "stateMutability": "nonpayable",
                 "type": "constructor"
@@ -299,21 +160,9 @@
             {
                 "anonymous": false,
                 "inputs": [
-                    {
-                        "indexed": true,
-                        "name": "_from",
-                        "type": "address"
-                    },
-                    {
-                        "indexed": true,
-                        "name": "_to",
-                        "type": "address"
-                    },
-                    {
-                        "indexed": true,
-                        "name": "_tokenId",
-                        "type": "uint256"
-                    }
+                    { "indexed": true, "name": "_from", "type": "address" },
+                    { "indexed": true, "name": "_to", "type": "address" },
+                    { "indexed": true, "name": "_tokenId", "type": "uint256" }
                 ],
                 "name": "Transfer",
                 "type": "event"
@@ -321,21 +170,9 @@
             {
                 "anonymous": false,
                 "inputs": [
-                    {
-                        "indexed": true,
-                        "name": "_owner",
-                        "type": "address"
-                    },
-                    {
-                        "indexed": true,
-                        "name": "_approved",
-                        "type": "address"
-                    },
-                    {
-                        "indexed": true,
-                        "name": "_tokenId",
-                        "type": "uint256"
-                    }
+                    { "indexed": true, "name": "_owner", "type": "address" },
+                    { "indexed": true, "name": "_approved", "type": "address" },
+                    { "indexed": true, "name": "_tokenId", "type": "uint256" }
                 ],
                 "name": "Approval",
                 "type": "event"
@@ -343,21 +180,9 @@
             {
                 "anonymous": false,
                 "inputs": [
-                    {
-                        "indexed": true,
-                        "name": "_owner",
-                        "type": "address"
-                    },
-                    {
-                        "indexed": true,
-                        "name": "_operator",
-                        "type": "address"
-                    },
-                    {
-                        "indexed": false,
-                        "name": "_approved",
-                        "type": "bool"
-                    }
+                    { "indexed": true, "name": "_owner", "type": "address" },
+                    { "indexed": true, "name": "_operator", "type": "address" },
+                    { "indexed": false, "name": "_approved", "type": "bool" }
                 ],
                 "name": "ApprovalForAll",
                 "type": "event"
@@ -365,9 +190,7 @@
         ],
         "evm": {
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diff --git a/python-packages/contract_artifacts/src/zero_ex/contract_artifacts/artifacts/DutchAuction.json b/python-packages/contract_artifacts/src/zero_ex/contract_artifacts/artifacts/DutchAuction.json
index e18aa601ef..7873c03c1b 100644
--- a/python-packages/contract_artifacts/src/zero_ex/contract_artifacts/artifacts/DutchAuction.json
+++ b/python-packages/contract_artifacts/src/zero_ex/contract_artifacts/artifacts/DutchAuction.json
@@ -1,302 +1,137 @@
 {
-	"schemaVersion": "2.0.0",
-	"contractName": "DutchAuction",
-	"compilerOutput": {
-		"abi": [
-			{
-				"constant": false,
-				"inputs": [
-					{
-						"components": [
-							{
-								"name": "makerAddress",
-								"type": "address"
-							},
-							{
-								"name": "takerAddress",
-								"type": "address"
-							},
-							{
-								"name": "feeRecipientAddress",
-								"type": "address"
-							},
-							{
-								"name": "senderAddress",
-								"type": "address"
-							},
-							{
-								"name": "makerAssetAmount",
-								"type": "uint256"
-							},
-							{
-								"name": "takerAssetAmount",
-								"type": "uint256"
-							},
-							{
-								"name": "makerFee",
-								"type": "uint256"
-							},
-							{
-								"name": "takerFee",
-								"type": "uint256"
-							},
-							{
-								"name": "expirationTimeSeconds",
-								"type": "uint256"
-							},
-							{
-								"name": "salt",
-								"type": "uint256"
-							},
-							{
-								"name": "makerAssetData",
-								"type": "bytes"
-							},
-							{
-								"name": "takerAssetData",
-								"type": "bytes"
-							}
-						],
-						"name": "order",
-						"type": "tuple"
-					}
-				],
-				"name": "getAuctionDetails",
-				"outputs": [
-					{
-						"components": [
-							{
-								"name": "beginTimeSeconds",
-								"type": "uint256"
-							},
-							{
-								"name": "endTimeSeconds",
-								"type": "uint256"
-							},
-							{
-								"name": "beginAmount",
-								"type": "uint256"
-							},
-							{
-								"name": "endAmount",
-								"type": "uint256"
-							},
-							{
-								"name": "currentAmount",
-								"type": "uint256"
-							},
-							{
-								"name": "currentTimeSeconds",
-								"type": "uint256"
-							}
-						],
-						"name": "auctionDetails",
-						"type": "tuple"
-					}
-				],
-				"payable": false,
-				"stateMutability": "nonpayable",
-				"type": "function"
-			},
-			{
-				"constant": false,
-				"inputs": [
-					{
-						"components": [
-							{
-								"name": "makerAddress",
-								"type": "address"
-							},
-							{
-								"name": "takerAddress",
-								"type": "address"
-							},
-							{
-								"name": "feeRecipientAddress",
-								"type": "address"
-							},
-							{
-								"name": "senderAddress",
-								"type": "address"
-							},
-							{
-								"name": "makerAssetAmount",
-								"type": "uint256"
-							},
-							{
-								"name": "takerAssetAmount",
-								"type": "uint256"
-							},
-							{
-								"name": "makerFee",
-								"type": "uint256"
-							},
-							{
-								"name": "takerFee",
-								"type": "uint256"
-							},
-							{
-								"name": "expirationTimeSeconds",
-								"type": "uint256"
-							},
-							{
-								"name": "salt",
-								"type": "uint256"
-							},
-							{
-								"name": "makerAssetData",
-								"type": "bytes"
-							},
-							{
-								"name": "takerAssetData",
-								"type": "bytes"
-							}
-						],
-						"name": "buyOrder",
-						"type": "tuple"
-					},
-					{
-						"components": [
-							{
-								"name": "makerAddress",
-								"type": "address"
-							},
-							{
-								"name": "takerAddress",
-								"type": "address"
-							},
-							{
-								"name": "feeRecipientAddress",
-								"type": "address"
-							},
-							{
-								"name": "senderAddress",
-								"type": "address"
-							},
-							{
-								"name": "makerAssetAmount",
-								"type": "uint256"
-							},
-							{
-								"name": "takerAssetAmount",
-								"type": "uint256"
-							},
-							{
-								"name": "makerFee",
-								"type": "uint256"
-							},
-							{
-								"name": "takerFee",
-								"type": "uint256"
-							},
-							{
-								"name": "expirationTimeSeconds",
-								"type": "uint256"
-							},
-							{
-								"name": "salt",
-								"type": "uint256"
-							},
-							{
-								"name": "makerAssetData",
-								"type": "bytes"
-							},
-							{
-								"name": "takerAssetData",
-								"type": "bytes"
-							}
-						],
-						"name": "sellOrder",
-						"type": "tuple"
-					},
-					{
-						"name": "buySignature",
-						"type": "bytes"
-					},
-					{
-						"name": "sellSignature",
-						"type": "bytes"
-					}
-				],
-				"name": "matchOrders",
-				"outputs": [
-					{
-						"components": [
-							{
-								"components": [
-									{
-										"name": "makerAssetFilledAmount",
-										"type": "uint256"
-									},
-									{
-										"name": "takerAssetFilledAmount",
-										"type": "uint256"
-									},
-									{
-										"name": "makerFeePaid",
-										"type": "uint256"
-									},
-									{
-										"name": "takerFeePaid",
-										"type": "uint256"
-									}
-								],
-								"name": "left",
-								"type": "tuple"
-							},
-							{
-								"components": [
-									{
-										"name": "makerAssetFilledAmount",
-										"type": "uint256"
-									},
-									{
-										"name": "takerAssetFilledAmount",
-										"type": "uint256"
-									},
-									{
-										"name": "makerFeePaid",
-										"type": "uint256"
-									},
-									{
-										"name": "takerFeePaid",
-										"type": "uint256"
-									}
-								],
-								"name": "right",
-								"type": "tuple"
-							},
-							{
-								"name": "leftMakerAssetSpreadAmount",
-								"type": "uint256"
-							}
-						],
-						"name": "matchedFillResults",
-						"type": "tuple"
-					}
-				],
-				"payable": false,
-				"stateMutability": "nonpayable",
-				"type": "function"
-			},
-			{
-				"inputs": [
-					{
-						"name": "_exchange",
-						"type": "address"
-					}
-				],
-				"payable": false,
-				"stateMutability": "nonpayable",
-				"type": "constructor"
-			}
-		],
-		"evm": {
-			"bytecode": {
-				"linkReferences": {},
-				"object": 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-		}
-	},
+    "schemaVersion": "2.0.0",
+    "contractName": "DutchAuction",
+    "compilerOutput": {
+        "abi": [
+            {
+                "constant": false,
+                "inputs": [
+                    {
+                        "components": [
+                            { "name": "makerAddress", "type": "address" },
+                            { "name": "takerAddress", "type": "address" },
+                            { "name": "feeRecipientAddress", "type": "address" },
+                            { "name": "senderAddress", "type": "address" },
+                            { "name": "makerAssetAmount", "type": "uint256" },
+                            { "name": "takerAssetAmount", "type": "uint256" },
+                            { "name": "makerFee", "type": "uint256" },
+                            { "name": "takerFee", "type": "uint256" },
+                            { "name": "expirationTimeSeconds", "type": "uint256" },
+                            { "name": "salt", "type": "uint256" },
+                            { "name": "makerAssetData", "type": "bytes" },
+                            { "name": "takerAssetData", "type": "bytes" }
+                        ],
+                        "name": "order",
+                        "type": "tuple"
+                    }
+                ],
+                "name": "getAuctionDetails",
+                "outputs": [
+                    {
+                        "components": [
+                            { "name": "beginTimeSeconds", "type": "uint256" },
+                            { "name": "endTimeSeconds", "type": "uint256" },
+                            { "name": "beginAmount", "type": "uint256" },
+                            { "name": "endAmount", "type": "uint256" },
+                            { "name": "currentAmount", "type": "uint256" },
+                            { "name": "currentTimeSeconds", "type": "uint256" }
+                        ],
+                        "name": "auctionDetails",
+                        "type": "tuple"
+                    }
+                ],
+                "payable": false,
+                "stateMutability": "nonpayable",
+                "type": "function"
+            },
+            {
+                "constant": false,
+                "inputs": [
+                    {
+                        "components": [
+                            { "name": "makerAddress", "type": "address" },
+                            { "name": "takerAddress", "type": "address" },
+                            { "name": "feeRecipientAddress", "type": "address" },
+                            { "name": "senderAddress", "type": "address" },
+                            { "name": "makerAssetAmount", "type": "uint256" },
+                            { "name": "takerAssetAmount", "type": "uint256" },
+                            { "name": "makerFee", "type": "uint256" },
+                            { "name": "takerFee", "type": "uint256" },
+                            { "name": "expirationTimeSeconds", "type": "uint256" },
+                            { "name": "salt", "type": "uint256" },
+                            { "name": "makerAssetData", "type": "bytes" },
+                            { "name": "takerAssetData", "type": "bytes" }
+                        ],
+                        "name": "buyOrder",
+                        "type": "tuple"
+                    },
+                    {
+                        "components": [
+                            { "name": "makerAddress", "type": "address" },
+                            { "name": "takerAddress", "type": "address" },
+                            { "name": "feeRecipientAddress", "type": "address" },
+                            { "name": "senderAddress", "type": "address" },
+                            { "name": "makerAssetAmount", "type": "uint256" },
+                            { "name": "takerAssetAmount", "type": "uint256" },
+                            { "name": "makerFee", "type": "uint256" },
+                            { "name": "takerFee", "type": "uint256" },
+                            { "name": "expirationTimeSeconds", "type": "uint256" },
+                            { "name": "salt", "type": "uint256" },
+                            { "name": "makerAssetData", "type": "bytes" },
+                            { "name": "takerAssetData", "type": "bytes" }
+                        ],
+                        "name": "sellOrder",
+                        "type": "tuple"
+                    },
+                    { "name": "buySignature", "type": "bytes" },
+                    { "name": "sellSignature", "type": "bytes" }
+                ],
+                "name": "matchOrders",
+                "outputs": [
+                    {
+                        "components": [
+                            {
+                                "components": [
+                                    { "name": "makerAssetFilledAmount", "type": "uint256" },
+                                    { "name": "takerAssetFilledAmount", "type": "uint256" },
+                                    { "name": "makerFeePaid", "type": "uint256" },
+                                    { "name": "takerFeePaid", "type": "uint256" }
+                                ],
+                                "name": "left",
+                                "type": "tuple"
+                            },
+                            {
+                                "components": [
+                                    { "name": "makerAssetFilledAmount", "type": "uint256" },
+                                    { "name": "takerAssetFilledAmount", "type": "uint256" },
+                                    { "name": "makerFeePaid", "type": "uint256" },
+                                    { "name": "takerFeePaid", "type": "uint256" }
+                                ],
+                                "name": "right",
+                                "type": "tuple"
+                            },
+                            { "name": "leftMakerAssetSpreadAmount", "type": "uint256" }
+                        ],
+                        "name": "matchedFillResults",
+                        "type": "tuple"
+                    }
+                ],
+                "payable": false,
+                "stateMutability": "nonpayable",
+                "type": "function"
+            },
+            {
+                "inputs": [{ "name": "_exchange", "type": "address" }],
+                "payable": false,
+                "stateMutability": "nonpayable",
+                "type": "constructor"
+            }
+        ],
+        "evm": {
+            "bytecode": {
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+            }
+        }
+    },
     "networks": {}
 }
diff --git a/python-packages/contract_artifacts/src/zero_ex/contract_artifacts/artifacts/ERC20Proxy.json b/python-packages/contract_artifacts/src/zero_ex/contract_artifacts/artifacts/ERC20Proxy.json
index 33af866e70..466133c7c3 100644
--- a/python-packages/contract_artifacts/src/zero_ex/contract_artifacts/artifacts/ERC20Proxy.json
+++ b/python-packages/contract_artifacts/src/zero_ex/contract_artifacts/artifacts/ERC20Proxy.json
@@ -5,12 +5,7 @@
         "abi": [
             {
                 "constant": false,
-                "inputs": [
-                    {
-                        "name": "target",
-                        "type": "address"
-                    }
-                ],
+                "inputs": [{ "name": "target", "type": "address" }],
                 "name": "addAuthorizedAddress",
                 "outputs": [],
                 "payable": false,
@@ -19,31 +14,16 @@
             },
             {
                 "constant": true,
-                "inputs": [
-                    {
-                        "name": "",
-                        "type": "uint256"
-                    }
-                ],
+                "inputs": [{ "name": "", "type": "uint256" }],
                 "name": "authorities",
-                "outputs": [
-                    {
-                        "name": "",
-                        "type": "address"
-                    }
-                ],
+                "outputs": [{ "name": "", "type": "address" }],
                 "payable": false,
                 "stateMutability": "view",
                 "type": "function"
             },
             {
                 "constant": false,
-                "inputs": [
-                    {
-                        "name": "target",
-                        "type": "address"
-                    }
-                ],
+                "inputs": [{ "name": "target", "type": "address" }],
                 "name": "removeAuthorizedAddress",
                 "outputs": [],
                 "payable": false,
@@ -54,28 +34,14 @@
                 "constant": true,
                 "inputs": [],
                 "name": "owner",
-                "outputs": [
-                    {
-                        "name": "",
-                        "type": "address"
-                    }
-                ],
+                "outputs": [{ "name": "", "type": "address" }],
                 "payable": false,
                 "stateMutability": "view",
                 "type": "function"
             },
             {
                 "constant": false,
-                "inputs": [
-                    {
-                        "name": "target",
-                        "type": "address"
-                    },
-                    {
-                        "name": "index",
-                        "type": "uint256"
-                    }
-                ],
+                "inputs": [{ "name": "target", "type": "address" }, { "name": "index", "type": "uint256" }],
                 "name": "removeAuthorizedAddressAtIndex",
                 "outputs": [],
                 "payable": false,
@@ -86,31 +52,16 @@
                 "constant": true,
                 "inputs": [],
                 "name": "getProxyId",
-                "outputs": [
-                    {
-                        "name": "",
-                        "type": "bytes4"
-                    }
-                ],
+                "outputs": [{ "name": "", "type": "bytes4" }],
                 "payable": false,
                 "stateMutability": "pure",
                 "type": "function"
             },
             {
                 "constant": true,
-                "inputs": [
-                    {
-                        "name": "",
-                        "type": "address"
-                    }
-                ],
+                "inputs": [{ "name": "", "type": "address" }],
                 "name": "authorized",
-                "outputs": [
-                    {
-                        "name": "",
-                        "type": "bool"
-                    }
-                ],
+                "outputs": [{ "name": "", "type": "bool" }],
                 "payable": false,
                 "stateMutability": "view",
                 "type": "function"
@@ -119,48 +70,26 @@
                 "constant": true,
                 "inputs": [],
                 "name": "getAuthorizedAddresses",
-                "outputs": [
-                    {
-                        "name": "",
-                        "type": "address[]"
-                    }
-                ],
+                "outputs": [{ "name": "", "type": "address[]" }],
                 "payable": false,
                 "stateMutability": "view",
                 "type": "function"
             },
             {
                 "constant": false,
-                "inputs": [
-                    {
-                        "name": "newOwner",
-                        "type": "address"
-                    }
-                ],
+                "inputs": [{ "name": "newOwner", "type": "address" }],
                 "name": "transferOwnership",
                 "outputs": [],
                 "payable": false,
                 "stateMutability": "nonpayable",
                 "type": "function"
             },
-            {
-                "payable": false,
-                "stateMutability": "nonpayable",
-                "type": "fallback"
-            },
+            { "payable": false, "stateMutability": "nonpayable", "type": "fallback" },
             {
                 "anonymous": false,
                 "inputs": [
-                    {
-                        "indexed": true,
-                        "name": "target",
-                        "type": "address"
-                    },
-                    {
-                        "indexed": true,
-                        "name": "caller",
-                        "type": "address"
-                    }
+                    { "indexed": true, "name": "target", "type": "address" },
+                    { "indexed": true, "name": "caller", "type": "address" }
                 ],
                 "name": "AuthorizedAddressAdded",
                 "type": "event"
@@ -168,16 +97,8 @@
             {
                 "anonymous": false,
                 "inputs": [
-                    {
-                        "indexed": true,
-                        "name": "target",
-                        "type": "address"
-                    },
-                    {
-                        "indexed": true,
-                        "name": "caller",
-                        "type": "address"
-                    }
+                    { "indexed": true, "name": "target", "type": "address" },
+                    { "indexed": true, "name": "caller", "type": "address" }
                 ],
                 "name": "AuthorizedAddressRemoved",
                 "type": "event"
@@ -185,9 +106,7 @@
         ],
         "evm": {
             "bytecode": {
-                "linkReferences": {},
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             }
         }
     },
diff --git a/python-packages/contract_artifacts/src/zero_ex/contract_artifacts/artifacts/ERC20Token.json b/python-packages/contract_artifacts/src/zero_ex/contract_artifacts/artifacts/ERC20Token.json
index d89d08a77d..df1bb2de4f 100644
--- a/python-packages/contract_artifacts/src/zero_ex/contract_artifacts/artifacts/ERC20Token.json
+++ b/python-packages/contract_artifacts/src/zero_ex/contract_artifacts/artifacts/ERC20Token.json
@@ -5,23 +5,9 @@
         "abi": [
             {
                 "constant": false,
-                "inputs": [
-                    {
-                        "name": "_spender",
-                        "type": "address"
-                    },
-                    {
-                        "name": "_value",
-                        "type": "uint256"
-                    }
-                ],
+                "inputs": [{ "name": "_spender", "type": "address" }, { "name": "_value", "type": "uint256" }],
                 "name": "approve",
-                "outputs": [
-                    {
-                        "name": "",
-                        "type": "bool"
-                    }
-                ],
+                "outputs": [{ "name": "", "type": "bool" }],
                 "payable": false,
                 "stateMutability": "nonpayable",
                 "type": "function"
@@ -30,12 +16,7 @@
                 "constant": true,
                 "inputs": [],
                 "name": "totalSupply",
-                "outputs": [
-                    {
-                        "name": "",
-                        "type": "uint256"
-                    }
-                ],
+                "outputs": [{ "name": "", "type": "uint256" }],
                 "payable": false,
                 "stateMutability": "view",
                 "type": "function"
@@ -43,91 +24,39 @@
             {
                 "constant": false,
                 "inputs": [
-                    {
-                        "name": "_from",
-                        "type": "address"
-                    },
-                    {
-                        "name": "_to",
-                        "type": "address"
-                    },
-                    {
-                        "name": "_value",
-                        "type": "uint256"
-                    }
+                    { "name": "_from", "type": "address" },
+                    { "name": "_to", "type": "address" },
+                    { "name": "_value", "type": "uint256" }
                 ],
                 "name": "transferFrom",
-                "outputs": [
-                    {
-                        "name": "",
-                        "type": "bool"
-                    }
-                ],
+                "outputs": [{ "name": "", "type": "bool" }],
                 "payable": false,
                 "stateMutability": "nonpayable",
                 "type": "function"
             },
             {
                 "constant": true,
-                "inputs": [
-                    {
-                        "name": "_owner",
-                        "type": "address"
-                    }
-                ],
+                "inputs": [{ "name": "_owner", "type": "address" }],
                 "name": "balanceOf",
-                "outputs": [
-                    {
-                        "name": "",
-                        "type": "uint256"
-                    }
-                ],
+                "outputs": [{ "name": "", "type": "uint256" }],
                 "payable": false,
                 "stateMutability": "view",
                 "type": "function"
             },
             {
                 "constant": false,
-                "inputs": [
-                    {
-                        "name": "_to",
-                        "type": "address"
-                    },
-                    {
-                        "name": "_value",
-                        "type": "uint256"
-                    }
-                ],
+                "inputs": [{ "name": "_to", "type": "address" }, { "name": "_value", "type": "uint256" }],
                 "name": "transfer",
-                "outputs": [
-                    {
-                        "name": "",
-                        "type": "bool"
-                    }
-                ],
+                "outputs": [{ "name": "", "type": "bool" }],
                 "payable": false,
                 "stateMutability": "nonpayable",
                 "type": "function"
             },
             {
                 "constant": true,
-                "inputs": [
-                    {
-                        "name": "_owner",
-                        "type": "address"
-                    },
-                    {
-                        "name": "_spender",
-                        "type": "address"
-                    }
-                ],
+                "inputs": [{ "name": "_owner", "type": "address" }, { "name": "_spender", "type": "address" }],
                 "name": "allowance",
-                "outputs": [
-                    {
-                        "name": "",
-                        "type": "uint256"
-                    }
-                ],
+                "outputs": [{ "name": "", "type": "uint256" }],
                 "payable": false,
                 "stateMutability": "view",
                 "type": "function"
@@ -135,21 +64,9 @@
             {
                 "anonymous": false,
                 "inputs": [
-                    {
-                        "indexed": true,
-                        "name": "_from",
-                        "type": "address"
-                    },
-                    {
-                        "indexed": true,
-                        "name": "_to",
-                        "type": "address"
-                    },
-                    {
-                        "indexed": false,
-                        "name": "_value",
-                        "type": "uint256"
-                    }
+                    { "indexed": true, "name": "_from", "type": "address" },
+                    { "indexed": true, "name": "_to", "type": "address" },
+                    { "indexed": false, "name": "_value", "type": "uint256" }
                 ],
                 "name": "Transfer",
                 "type": "event"
@@ -157,21 +74,9 @@
             {
                 "anonymous": false,
                 "inputs": [
-                    {
-                        "indexed": true,
-                        "name": "_owner",
-                        "type": "address"
-                    },
-                    {
-                        "indexed": true,
-                        "name": "_spender",
-                        "type": "address"
-                    },
-                    {
-                        "indexed": false,
-                        "name": "_value",
-                        "type": "uint256"
-                    }
+                    { "indexed": true, "name": "_owner", "type": "address" },
+                    { "indexed": true, "name": "_spender", "type": "address" },
+                    { "indexed": false, "name": "_value", "type": "uint256" }
                 ],
                 "name": "Approval",
                 "type": "event"
@@ -179,9 +84,7 @@
         ],
         "evm": {
             "bytecode": {
-                "linkReferences": {},
-                "object":
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     },
diff --git a/python-packages/contract_artifacts/src/zero_ex/contract_artifacts/artifacts/ERC721Proxy.json b/python-packages/contract_artifacts/src/zero_ex/contract_artifacts/artifacts/ERC721Proxy.json
index db01e40f0f..42cec90f77 100644
--- a/python-packages/contract_artifacts/src/zero_ex/contract_artifacts/artifacts/ERC721Proxy.json
+++ b/python-packages/contract_artifacts/src/zero_ex/contract_artifacts/artifacts/ERC721Proxy.json
@@ -5,12 +5,7 @@
         "abi": [
             {
                 "constant": false,
-                "inputs": [
-                    {
-                        "name": "target",
-                        "type": "address"
-                    }
-                ],
+                "inputs": [{ "name": "target", "type": "address" }],
                 "name": "addAuthorizedAddress",
                 "outputs": [],
                 "payable": false,
@@ -19,31 +14,16 @@
             },
             {
                 "constant": true,
-                "inputs": [
-                    {
-                        "name": "",
-                        "type": "uint256"
-                    }
-                ],
+                "inputs": [{ "name": "", "type": "uint256" }],
                 "name": "authorities",
-                "outputs": [
-                    {
-                        "name": "",
-                        "type": "address"
-                    }
-                ],
+                "outputs": [{ "name": "", "type": "address" }],
                 "payable": false,
                 "stateMutability": "view",
                 "type": "function"
             },
             {
                 "constant": false,
-                "inputs": [
-                    {
-                        "name": "target",
-                        "type": "address"
-                    }
-                ],
+                "inputs": [{ "name": "target", "type": "address" }],
                 "name": "removeAuthorizedAddress",
                 "outputs": [],
                 "payable": false,
@@ -54,28 +34,14 @@
                 "constant": true,
                 "inputs": [],
                 "name": "owner",
-                "outputs": [
-                    {
-                        "name": "",
-                        "type": "address"
-                    }
-                ],
+                "outputs": [{ "name": "", "type": "address" }],
                 "payable": false,
                 "stateMutability": "view",
                 "type": "function"
             },
             {
                 "constant": false,
-                "inputs": [
-                    {
-                        "name": "target",
-                        "type": "address"
-                    },
-                    {
-                        "name": "index",
-                        "type": "uint256"
-                    }
-                ],
+                "inputs": [{ "name": "target", "type": "address" }, { "name": "index", "type": "uint256" }],
                 "name": "removeAuthorizedAddressAtIndex",
                 "outputs": [],
                 "payable": false,
@@ -86,31 +52,16 @@
                 "constant": true,
                 "inputs": [],
                 "name": "getProxyId",
-                "outputs": [
-                    {
-                        "name": "",
-                        "type": "bytes4"
-                    }
-                ],
+                "outputs": [{ "name": "", "type": "bytes4" }],
                 "payable": false,
                 "stateMutability": "pure",
                 "type": "function"
             },
             {
                 "constant": true,
-                "inputs": [
-                    {
-                        "name": "",
-                        "type": "address"
-                    }
-                ],
+                "inputs": [{ "name": "", "type": "address" }],
                 "name": "authorized",
-                "outputs": [
-                    {
-                        "name": "",
-                        "type": "bool"
-                    }
-                ],
+                "outputs": [{ "name": "", "type": "bool" }],
                 "payable": false,
                 "stateMutability": "view",
                 "type": "function"
@@ -119,48 +70,26 @@
                 "constant": true,
                 "inputs": [],
                 "name": "getAuthorizedAddresses",
-                "outputs": [
-                    {
-                        "name": "",
-                        "type": "address[]"
-                    }
-                ],
+                "outputs": [{ "name": "", "type": "address[]" }],
                 "payable": false,
                 "stateMutability": "view",
                 "type": "function"
             },
             {
                 "constant": false,
-                "inputs": [
-                    {
-                        "name": "newOwner",
-                        "type": "address"
-                    }
-                ],
+                "inputs": [{ "name": "newOwner", "type": "address" }],
                 "name": "transferOwnership",
                 "outputs": [],
                 "payable": false,
                 "stateMutability": "nonpayable",
                 "type": "function"
             },
-            {
-                "payable": false,
-                "stateMutability": "nonpayable",
-                "type": "fallback"
-            },
+            { "payable": false, "stateMutability": "nonpayable", "type": "fallback" },
             {
                 "anonymous": false,
                 "inputs": [
-                    {
-                        "indexed": true,
-                        "name": "target",
-                        "type": "address"
-                    },
-                    {
-                        "indexed": true,
-                        "name": "caller",
-                        "type": "address"
-                    }
+                    { "indexed": true, "name": "target", "type": "address" },
+                    { "indexed": true, "name": "caller", "type": "address" }
                 ],
                 "name": "AuthorizedAddressAdded",
                 "type": "event"
@@ -168,16 +97,8 @@
             {
                 "anonymous": false,
                 "inputs": [
-                    {
-                        "indexed": true,
-                        "name": "target",
-                        "type": "address"
-                    },
-                    {
-                        "indexed": true,
-                        "name": "caller",
-                        "type": "address"
-                    }
+                    { "indexed": true, "name": "target", "type": "address" },
+                    { "indexed": true, "name": "caller", "type": "address" }
                 ],
                 "name": "AuthorizedAddressRemoved",
                 "type": "event"
@@ -185,9 +106,7 @@
         ],
         "evm": {
             "bytecode": {
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     },
diff --git a/python-packages/contract_artifacts/src/zero_ex/contract_artifacts/artifacts/ERC721Token.json b/python-packages/contract_artifacts/src/zero_ex/contract_artifacts/artifacts/ERC721Token.json
index d189090e83..5ea33d6cf2 100644
--- a/python-packages/contract_artifacts/src/zero_ex/contract_artifacts/artifacts/ERC721Token.json
+++ b/python-packages/contract_artifacts/src/zero_ex/contract_artifacts/artifacts/ERC721Token.json
@@ -5,35 +5,16 @@
         "abi": [
             {
                 "constant": true,
-                "inputs": [
-                    {
-                        "name": "_tokenId",
-                        "type": "uint256"
-                    }
-                ],
+                "inputs": [{ "name": "_tokenId", "type": "uint256" }],
                 "name": "getApproved",
-                "outputs": [
-                    {
-                        "name": "",
-                        "type": "address"
-                    }
-                ],
+                "outputs": [{ "name": "", "type": "address" }],
                 "payable": false,
                 "stateMutability": "view",
                 "type": "function"
             },
             {
                 "constant": false,
-                "inputs": [
-                    {
-                        "name": "_approved",
-                        "type": "address"
-                    },
-                    {
-                        "name": "_tokenId",
-                        "type": "uint256"
-                    }
-                ],
+                "inputs": [{ "name": "_approved", "type": "address" }, { "name": "_tokenId", "type": "uint256" }],
                 "name": "approve",
                 "outputs": [],
                 "payable": false,
@@ -43,18 +24,9 @@
             {
                 "constant": false,
                 "inputs": [
-                    {
-                        "name": "_from",
-                        "type": "address"
-                    },
-                    {
-                        "name": "_to",
-                        "type": "address"
-                    },
-                    {
-                        "name": "_tokenId",
-                        "type": "uint256"
-                    }
+                    { "name": "_from", "type": "address" },
+                    { "name": "_to", "type": "address" },
+                    { "name": "_tokenId", "type": "uint256" }
                 ],
                 "name": "transferFrom",
                 "outputs": [],
@@ -65,18 +37,9 @@
             {
                 "constant": false,
                 "inputs": [
-                    {
-                        "name": "_from",
-                        "type": "address"
-                    },
-                    {
-                        "name": "_to",
-                        "type": "address"
-                    },
-                    {
-                        "name": "_tokenId",
-                        "type": "uint256"
-                    }
+                    { "name": "_from", "type": "address" },
+                    { "name": "_to", "type": "address" },
+                    { "name": "_tokenId", "type": "uint256" }
                 ],
                 "name": "safeTransferFrom",
                 "outputs": [],
@@ -86,54 +49,25 @@
             },
             {
                 "constant": true,
-                "inputs": [
-                    {
-                        "name": "_tokenId",
-                        "type": "uint256"
-                    }
-                ],
+                "inputs": [{ "name": "_tokenId", "type": "uint256" }],
                 "name": "ownerOf",
-                "outputs": [
-                    {
-                        "name": "",
-                        "type": "address"
-                    }
-                ],
+                "outputs": [{ "name": "", "type": "address" }],
                 "payable": false,
                 "stateMutability": "view",
                 "type": "function"
             },
             {
                 "constant": true,
-                "inputs": [
-                    {
-                        "name": "_owner",
-                        "type": "address"
-                    }
-                ],
+                "inputs": [{ "name": "_owner", "type": "address" }],
                 "name": "balanceOf",
-                "outputs": [
-                    {
-                        "name": "",
-                        "type": "uint256"
-                    }
-                ],
+                "outputs": [{ "name": "", "type": "uint256" }],
                 "payable": false,
                 "stateMutability": "view",
                 "type": "function"
             },
             {
                 "constant": false,
-                "inputs": [
-                    {
-                        "name": "_operator",
-                        "type": "address"
-                    },
-                    {
-                        "name": "_approved",
-                        "type": "bool"
-                    }
-                ],
+                "inputs": [{ "name": "_operator", "type": "address" }, { "name": "_approved", "type": "bool" }],
                 "name": "setApprovalForAll",
                 "outputs": [],
                 "payable": false,
@@ -143,22 +77,10 @@
             {
                 "constant": false,
                 "inputs": [
-                    {
-                        "name": "_from",
-                        "type": "address"
-                    },
-                    {
-                        "name": "_to",
-                        "type": "address"
-                    },
-                    {
-                        "name": "_tokenId",
-                        "type": "uint256"
-                    },
-                    {
-                        "name": "_data",
-                        "type": "bytes"
-                    }
+                    { "name": "_from", "type": "address" },
+                    { "name": "_to", "type": "address" },
+                    { "name": "_tokenId", "type": "uint256" },
+                    { "name": "_data", "type": "bytes" }
                 ],
                 "name": "safeTransferFrom",
                 "outputs": [],
@@ -168,23 +90,9 @@
             },
             {
                 "constant": true,
-                "inputs": [
-                    {
-                        "name": "_owner",
-                        "type": "address"
-                    },
-                    {
-                        "name": "_operator",
-                        "type": "address"
-                    }
-                ],
+                "inputs": [{ "name": "_owner", "type": "address" }, { "name": "_operator", "type": "address" }],
                 "name": "isApprovedForAll",
-                "outputs": [
-                    {
-                        "name": "",
-                        "type": "bool"
-                    }
-                ],
+                "outputs": [{ "name": "", "type": "bool" }],
                 "payable": false,
                 "stateMutability": "view",
                 "type": "function"
@@ -192,21 +100,9 @@
             {
                 "anonymous": false,
                 "inputs": [
-                    {
-                        "indexed": true,
-                        "name": "_from",
-                        "type": "address"
-                    },
-                    {
-                        "indexed": true,
-                        "name": "_to",
-                        "type": "address"
-                    },
-                    {
-                        "indexed": true,
-                        "name": "_tokenId",
-                        "type": "uint256"
-                    }
+                    { "indexed": true, "name": "_from", "type": "address" },
+                    { "indexed": true, "name": "_to", "type": "address" },
+                    { "indexed": true, "name": "_tokenId", "type": "uint256" }
                 ],
                 "name": "Transfer",
                 "type": "event"
@@ -214,21 +110,9 @@
             {
                 "anonymous": false,
                 "inputs": [
-                    {
-                        "indexed": true,
-                        "name": "_owner",
-                        "type": "address"
-                    },
-                    {
-                        "indexed": true,
-                        "name": "_approved",
-                        "type": "address"
-                    },
-                    {
-                        "indexed": true,
-                        "name": "_tokenId",
-                        "type": "uint256"
-                    }
+                    { "indexed": true, "name": "_owner", "type": "address" },
+                    { "indexed": true, "name": "_approved", "type": "address" },
+                    { "indexed": true, "name": "_tokenId", "type": "uint256" }
                 ],
                 "name": "Approval",
                 "type": "event"
@@ -236,21 +120,9 @@
             {
                 "anonymous": false,
                 "inputs": [
-                    {
-                        "indexed": true,
-                        "name": "_owner",
-                        "type": "address"
-                    },
-                    {
-                        "indexed": true,
-                        "name": "_operator",
-                        "type": "address"
-                    },
-                    {
-                        "indexed": false,
-                        "name": "_approved",
-                        "type": "bool"
-                    }
+                    { "indexed": true, "name": "_owner", "type": "address" },
+                    { "indexed": true, "name": "_operator", "type": "address" },
+                    { "indexed": false, "name": "_approved", "type": "bool" }
                 ],
                 "name": "ApprovalForAll",
                 "type": "event"
@@ -258,9 +130,7 @@
         ],
         "evm": {
             "bytecode": {
-                "linkReferences": {},
-                "object":
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+                "object": 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             }
         }
     },
diff --git a/python-packages/contract_artifacts/src/zero_ex/contract_artifacts/artifacts/Exchange.json b/python-packages/contract_artifacts/src/zero_ex/contract_artifacts/artifacts/Exchange.json
index 6e586b8994..0a2647f286 100644
--- a/python-packages/contract_artifacts/src/zero_ex/contract_artifacts/artifacts/Exchange.json
+++ b/python-packages/contract_artifacts/src/zero_ex/contract_artifacts/artifacts/Exchange.json
@@ -5,19 +5,9 @@
         "abi": [
             {
                 "constant": true,
-                "inputs": [
-                    {
-                        "name": "",
-                        "type": "bytes32"
-                    }
-                ],
+                "inputs": [{ "name": "", "type": "bytes32" }],
                 "name": "filled",
-                "outputs": [
-                    {
-                        "name": "",
-                        "type": "uint256"
-                    }
-                ],
+                "outputs": [{ "name": "", "type": "uint256" }],
                 "payable": false,
                 "stateMutability": "view",
                 "type": "function"
@@ -27,87 +17,33 @@
                 "inputs": [
                     {
                         "components": [
-                            {
-                                "name": "makerAddress",
-                                "type": "address"
-                            },
-                            {
-                                "name": "takerAddress",
-                                "type": "address"
-                            },
-                            {
-                                "name": "feeRecipientAddress",
-                                "type": "address"
-                            },
-                            {
-                                "name": "senderAddress",
-                                "type": "address"
-                            },
-                            {
-                                "name": "makerAssetAmount",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "takerAssetAmount",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "makerFee",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "takerFee",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "expirationTimeSeconds",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "salt",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "makerAssetData",
-                                "type": "bytes"
-                            },
-                            {
-                                "name": "takerAssetData",
-                                "type": "bytes"
-                            }
+                            { "name": "makerAddress", "type": "address" },
+                            { "name": "takerAddress", "type": "address" },
+                            { "name": "feeRecipientAddress", "type": "address" },
+                            { "name": "senderAddress", "type": "address" },
+                            { "name": "makerAssetAmount", "type": "uint256" },
+                            { "name": "takerAssetAmount", "type": "uint256" },
+                            { "name": "makerFee", "type": "uint256" },
+                            { "name": "takerFee", "type": "uint256" },
+                            { "name": "expirationTimeSeconds", "type": "uint256" },
+                            { "name": "salt", "type": "uint256" },
+                            { "name": "makerAssetData", "type": "bytes" },
+                            { "name": "takerAssetData", "type": "bytes" }
                         ],
                         "name": "orders",
                         "type": "tuple[]"
                     },
-                    {
-                        "name": "takerAssetFillAmounts",
-                        "type": "uint256[]"
-                    },
-                    {
-                        "name": "signatures",
-                        "type": "bytes[]"
-                    }
+                    { "name": "takerAssetFillAmounts", "type": "uint256[]" },
+                    { "name": "signatures", "type": "bytes[]" }
                 ],
                 "name": "batchFillOrders",
                 "outputs": [
                     {
                         "components": [
-                            {
-                                "name": "makerAssetFilledAmount",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "takerAssetFilledAmount",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "makerFeePaid",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "takerFeePaid",
-                                "type": "uint256"
-                            }
+                            { "name": "makerAssetFilledAmount", "type": "uint256" },
+                            { "name": "takerAssetFilledAmount", "type": "uint256" },
+                            { "name": "makerFeePaid", "type": "uint256" },
+                            { "name": "takerFeePaid", "type": "uint256" }
                         ],
                         "name": "totalFillResults",
                         "type": "tuple"
@@ -119,19 +55,9 @@
             },
             {
                 "constant": true,
-                "inputs": [
-                    {
-                        "name": "",
-                        "type": "bytes32"
-                    }
-                ],
+                "inputs": [{ "name": "", "type": "bytes32" }],
                 "name": "cancelled",
-                "outputs": [
-                    {
-                        "name": "",
-                        "type": "bool"
-                    }
-                ],
+                "outputs": [{ "name": "", "type": "bool" }],
                 "payable": false,
                 "stateMutability": "view",
                 "type": "function"
@@ -139,18 +65,9 @@
             {
                 "constant": false,
                 "inputs": [
-                    {
-                        "name": "hash",
-                        "type": "bytes32"
-                    },
-                    {
-                        "name": "signerAddress",
-                        "type": "address"
-                    },
-                    {
-                        "name": "signature",
-                        "type": "bytes"
-                    }
+                    { "name": "hash", "type": "bytes32" },
+                    { "name": "signerAddress", "type": "address" },
+                    { "name": "signature", "type": "bytes" }
                 ],
                 "name": "preSign",
                 "outputs": [],
@@ -163,120 +80,42 @@
                 "inputs": [
                     {
                         "components": [
-                            {
-                                "name": "makerAddress",
-                                "type": "address"
-                            },
-                            {
-                                "name": "takerAddress",
-                                "type": "address"
-                            },
-                            {
-                                "name": "feeRecipientAddress",
-                                "type": "address"
-                            },
-                            {
-                                "name": "senderAddress",
-                                "type": "address"
-                            },
-                            {
-                                "name": "makerAssetAmount",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "takerAssetAmount",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "makerFee",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "takerFee",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "expirationTimeSeconds",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "salt",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "makerAssetData",
-                                "type": "bytes"
-                            },
-                            {
-                                "name": "takerAssetData",
-                                "type": "bytes"
-                            }
+                            { "name": "makerAddress", "type": "address" },
+                            { "name": "takerAddress", "type": "address" },
+                            { "name": "feeRecipientAddress", "type": "address" },
+                            { "name": "senderAddress", "type": "address" },
+                            { "name": "makerAssetAmount", "type": "uint256" },
+                            { "name": "takerAssetAmount", "type": "uint256" },
+                            { "name": "makerFee", "type": "uint256" },
+                            { "name": "takerFee", "type": "uint256" },
+                            { "name": "expirationTimeSeconds", "type": "uint256" },
+                            { "name": "salt", "type": "uint256" },
+                            { "name": "makerAssetData", "type": "bytes" },
+                            { "name": "takerAssetData", "type": "bytes" }
                         ],
                         "name": "leftOrder",
                         "type": "tuple"
                     },
                     {
                         "components": [
-                            {
-                                "name": "makerAddress",
-                                "type": "address"
-                            },
-                            {
-                                "name": "takerAddress",
-                                "type": "address"
-                            },
-                            {
-                                "name": "feeRecipientAddress",
-                                "type": "address"
-                            },
-                            {
-                                "name": "senderAddress",
-                                "type": "address"
-                            },
-                            {
-                                "name": "makerAssetAmount",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "takerAssetAmount",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "makerFee",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "takerFee",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "expirationTimeSeconds",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "salt",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "makerAssetData",
-                                "type": "bytes"
-                            },
-                            {
-                                "name": "takerAssetData",
-                                "type": "bytes"
-                            }
+                            { "name": "makerAddress", "type": "address" },
+                            { "name": "takerAddress", "type": "address" },
+                            { "name": "feeRecipientAddress", "type": "address" },
+                            { "name": "senderAddress", "type": "address" },
+                            { "name": "makerAssetAmount", "type": "uint256" },
+                            { "name": "takerAssetAmount", "type": "uint256" },
+                            { "name": "makerFee", "type": "uint256" },
+                            { "name": "takerFee", "type": "uint256" },
+                            { "name": "expirationTimeSeconds", "type": "uint256" },
+                            { "name": "salt", "type": "uint256" },
+                            { "name": "makerAssetData", "type": "bytes" },
+                            { "name": "takerAssetData", "type": "bytes" }
                         ],
                         "name": "rightOrder",
                         "type": "tuple"
                     },
-                    {
-                        "name": "leftSignature",
-                        "type": "bytes"
-                    },
-                    {
-                        "name": "rightSignature",
-                        "type": "bytes"
-                    }
+                    { "name": "leftSignature", "type": "bytes" },
+                    { "name": "rightSignature", "type": "bytes" }
                 ],
                 "name": "matchOrders",
                 "outputs": [
@@ -284,52 +123,25 @@
                         "components": [
                             {
                                 "components": [
-                                    {
-                                        "name": "makerAssetFilledAmount",
-                                        "type": "uint256"
-                                    },
-                                    {
-                                        "name": "takerAssetFilledAmount",
-                                        "type": "uint256"
-                                    },
-                                    {
-                                        "name": "makerFeePaid",
-                                        "type": "uint256"
-                                    },
-                                    {
-                                        "name": "takerFeePaid",
-                                        "type": "uint256"
-                                    }
+                                    { "name": "makerAssetFilledAmount", "type": "uint256" },
+                                    { "name": "takerAssetFilledAmount", "type": "uint256" },
+                                    { "name": "makerFeePaid", "type": "uint256" },
+                                    { "name": "takerFeePaid", "type": "uint256" }
                                 ],
                                 "name": "left",
                                 "type": "tuple"
                             },
                             {
                                 "components": [
-                                    {
-                                        "name": "makerAssetFilledAmount",
-                                        "type": "uint256"
-                                    },
-                                    {
-                                        "name": "takerAssetFilledAmount",
-                                        "type": "uint256"
-                                    },
-                                    {
-                                        "name": "makerFeePaid",
-                                        "type": "uint256"
-                                    },
-                                    {
-                                        "name": "takerFeePaid",
-                                        "type": "uint256"
-                                    }
+                                    { "name": "makerAssetFilledAmount", "type": "uint256" },
+                                    { "name": "takerAssetFilledAmount", "type": "uint256" },
+                                    { "name": "makerFeePaid", "type": "uint256" },
+                                    { "name": "takerFeePaid", "type": "uint256" }
                                 ],
                                 "name": "right",
                                 "type": "tuple"
                             },
-                            {
-                                "name": "leftMakerAssetSpreadAmount",
-                                "type": "uint256"
-                            }
+                            { "name": "leftMakerAssetSpreadAmount", "type": "uint256" }
                         ],
                         "name": "matchedFillResults",
                         "type": "tuple"
@@ -344,87 +156,33 @@
                 "inputs": [
                     {
                         "components": [
-                            {
-                                "name": "makerAddress",
-                                "type": "address"
-                            },
-                            {
-                                "name": "takerAddress",
-                                "type": "address"
-                            },
-                            {
-                                "name": "feeRecipientAddress",
-                                "type": "address"
-                            },
-                            {
-                                "name": "senderAddress",
-                                "type": "address"
-                            },
-                            {
-                                "name": "makerAssetAmount",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "takerAssetAmount",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "makerFee",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "takerFee",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "expirationTimeSeconds",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "salt",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "makerAssetData",
-                                "type": "bytes"
-                            },
-                            {
-                                "name": "takerAssetData",
-                                "type": "bytes"
-                            }
+                            { "name": "makerAddress", "type": "address" },
+                            { "name": "takerAddress", "type": "address" },
+                            { "name": "feeRecipientAddress", "type": "address" },
+                            { "name": "senderAddress", "type": "address" },
+                            { "name": "makerAssetAmount", "type": "uint256" },
+                            { "name": "takerAssetAmount", "type": "uint256" },
+                            { "name": "makerFee", "type": "uint256" },
+                            { "name": "takerFee", "type": "uint256" },
+                            { "name": "expirationTimeSeconds", "type": "uint256" },
+                            { "name": "salt", "type": "uint256" },
+                            { "name": "makerAssetData", "type": "bytes" },
+                            { "name": "takerAssetData", "type": "bytes" }
                         ],
                         "name": "order",
                         "type": "tuple"
                     },
-                    {
-                        "name": "takerAssetFillAmount",
-                        "type": "uint256"
-                    },
-                    {
-                        "name": "signature",
-                        "type": "bytes"
-                    }
+                    { "name": "takerAssetFillAmount", "type": "uint256" },
+                    { "name": "signature", "type": "bytes" }
                 ],
                 "name": "fillOrderNoThrow",
                 "outputs": [
                     {
                         "components": [
-                            {
-                                "name": "makerAssetFilledAmount",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "takerAssetFilledAmount",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "makerFeePaid",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "takerFeePaid",
-                                "type": "uint256"
-                            }
+                            { "name": "makerAssetFilledAmount", "type": "uint256" },
+                            { "name": "takerAssetFilledAmount", "type": "uint256" },
+                            { "name": "makerFeePaid", "type": "uint256" },
+                            { "name": "takerFeePaid", "type": "uint256" }
                         ],
                         "name": "fillResults",
                         "type": "tuple"
@@ -436,19 +194,9 @@
             },
             {
                 "constant": true,
-                "inputs": [
-                    {
-                        "name": "",
-                        "type": "bytes4"
-                    }
-                ],
+                "inputs": [{ "name": "", "type": "bytes4" }],
                 "name": "assetProxies",
-                "outputs": [
-                    {
-                        "name": "",
-                        "type": "address"
-                    }
-                ],
+                "outputs": [{ "name": "", "type": "address" }],
                 "payable": false,
                 "stateMutability": "view",
                 "type": "function"
@@ -458,54 +206,18 @@
                 "inputs": [
                     {
                         "components": [
-                            {
-                                "name": "makerAddress",
-                                "type": "address"
-                            },
-                            {
-                                "name": "takerAddress",
-                                "type": "address"
-                            },
-                            {
-                                "name": "feeRecipientAddress",
-                                "type": "address"
-                            },
-                            {
-                                "name": "senderAddress",
-                                "type": "address"
-                            },
-                            {
-                                "name": "makerAssetAmount",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "takerAssetAmount",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "makerFee",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "takerFee",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "expirationTimeSeconds",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "salt",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "makerAssetData",
-                                "type": "bytes"
-                            },
-                            {
-                                "name": "takerAssetData",
-                                "type": "bytes"
-                            }
+                            { "name": "makerAddress", "type": "address" },
+                            { "name": "takerAddress", "type": "address" },
+                            { "name": "feeRecipientAddress", "type": "address" },
+                            { "name": "senderAddress", "type": "address" },
+                            { "name": "makerAssetAmount", "type": "uint256" },
+                            { "name": "takerAssetAmount", "type": "uint256" },
+                            { "name": "makerFee", "type": "uint256" },
+                            { "name": "takerFee", "type": "uint256" },
+                            { "name": "expirationTimeSeconds", "type": "uint256" },
+                            { "name": "salt", "type": "uint256" },
+                            { "name": "makerAssetData", "type": "bytes" },
+                            { "name": "takerAssetData", "type": "bytes" }
                         ],
                         "name": "orders",
                         "type": "tuple[]"
@@ -522,87 +234,33 @@
                 "inputs": [
                     {
                         "components": [
-                            {
-                                "name": "makerAddress",
-                                "type": "address"
-                            },
-                            {
-                                "name": "takerAddress",
-                                "type": "address"
-                            },
-                            {
-                                "name": "feeRecipientAddress",
-                                "type": "address"
-                            },
-                            {
-                                "name": "senderAddress",
-                                "type": "address"
-                            },
-                            {
-                                "name": "makerAssetAmount",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "takerAssetAmount",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "makerFee",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "takerFee",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "expirationTimeSeconds",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "salt",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "makerAssetData",
-                                "type": "bytes"
-                            },
-                            {
-                                "name": "takerAssetData",
-                                "type": "bytes"
-                            }
+                            { "name": "makerAddress", "type": "address" },
+                            { "name": "takerAddress", "type": "address" },
+                            { "name": "feeRecipientAddress", "type": "address" },
+                            { "name": "senderAddress", "type": "address" },
+                            { "name": "makerAssetAmount", "type": "uint256" },
+                            { "name": "takerAssetAmount", "type": "uint256" },
+                            { "name": "makerFee", "type": "uint256" },
+                            { "name": "takerFee", "type": "uint256" },
+                            { "name": "expirationTimeSeconds", "type": "uint256" },
+                            { "name": "salt", "type": "uint256" },
+                            { "name": "makerAssetData", "type": "bytes" },
+                            { "name": "takerAssetData", "type": "bytes" }
                         ],
                         "name": "orders",
                         "type": "tuple[]"
                     },
-                    {
-                        "name": "takerAssetFillAmounts",
-                        "type": "uint256[]"
-                    },
-                    {
-                        "name": "signatures",
-                        "type": "bytes[]"
-                    }
+                    { "name": "takerAssetFillAmounts", "type": "uint256[]" },
+                    { "name": "signatures", "type": "bytes[]" }
                 ],
                 "name": "batchFillOrKillOrders",
                 "outputs": [
                     {
                         "components": [
-                            {
-                                "name": "makerAssetFilledAmount",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "takerAssetFilledAmount",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "makerFeePaid",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "takerFeePaid",
-                                "type": "uint256"
-                            }
+                            { "name": "makerAssetFilledAmount", "type": "uint256" },
+                            { "name": "takerAssetFilledAmount", "type": "uint256" },
+                            { "name": "makerFeePaid", "type": "uint256" },
+                            { "name": "takerFeePaid", "type": "uint256" }
                         ],
                         "name": "totalFillResults",
                         "type": "tuple"
@@ -614,12 +272,7 @@
             },
             {
                 "constant": false,
-                "inputs": [
-                    {
-                        "name": "targetOrderEpoch",
-                        "type": "uint256"
-                    }
-                ],
+                "inputs": [{ "name": "targetOrderEpoch", "type": "uint256" }],
                 "name": "cancelOrdersUpTo",
                 "outputs": [],
                 "payable": false,
@@ -631,87 +284,33 @@
                 "inputs": [
                     {
                         "components": [
-                            {
-                                "name": "makerAddress",
-                                "type": "address"
-                            },
-                            {
-                                "name": "takerAddress",
-                                "type": "address"
-                            },
-                            {
-                                "name": "feeRecipientAddress",
-                                "type": "address"
-                            },
-                            {
-                                "name": "senderAddress",
-                                "type": "address"
-                            },
-                            {
-                                "name": "makerAssetAmount",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "takerAssetAmount",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "makerFee",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "takerFee",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "expirationTimeSeconds",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "salt",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "makerAssetData",
-                                "type": "bytes"
-                            },
-                            {
-                                "name": "takerAssetData",
-                                "type": "bytes"
-                            }
+                            { "name": "makerAddress", "type": "address" },
+                            { "name": "takerAddress", "type": "address" },
+                            { "name": "feeRecipientAddress", "type": "address" },
+                            { "name": "senderAddress", "type": "address" },
+                            { "name": "makerAssetAmount", "type": "uint256" },
+                            { "name": "takerAssetAmount", "type": "uint256" },
+                            { "name": "makerFee", "type": "uint256" },
+                            { "name": "takerFee", "type": "uint256" },
+                            { "name": "expirationTimeSeconds", "type": "uint256" },
+                            { "name": "salt", "type": "uint256" },
+                            { "name": "makerAssetData", "type": "bytes" },
+                            { "name": "takerAssetData", "type": "bytes" }
                         ],
                         "name": "orders",
                         "type": "tuple[]"
                     },
-                    {
-                        "name": "takerAssetFillAmounts",
-                        "type": "uint256[]"
-                    },
-                    {
-                        "name": "signatures",
-                        "type": "bytes[]"
-                    }
+                    { "name": "takerAssetFillAmounts", "type": "uint256[]" },
+                    { "name": "signatures", "type": "bytes[]" }
                 ],
                 "name": "batchFillOrdersNoThrow",
                 "outputs": [
                     {
                         "components": [
-                            {
-                                "name": "makerAssetFilledAmount",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "takerAssetFilledAmount",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "makerFeePaid",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "takerFeePaid",
-                                "type": "uint256"
-                            }
+                            { "name": "makerAssetFilledAmount", "type": "uint256" },
+                            { "name": "takerAssetFilledAmount", "type": "uint256" },
+                            { "name": "makerFeePaid", "type": "uint256" },
+                            { "name": "takerFeePaid", "type": "uint256" }
                         ],
                         "name": "totalFillResults",
                         "type": "tuple"
@@ -723,38 +322,18 @@
             },
             {
                 "constant": true,
-                "inputs": [
-                    {
-                        "name": "assetProxyId",
-                        "type": "bytes4"
-                    }
-                ],
+                "inputs": [{ "name": "assetProxyId", "type": "bytes4" }],
                 "name": "getAssetProxy",
-                "outputs": [
-                    {
-                        "name": "",
-                        "type": "address"
-                    }
-                ],
+                "outputs": [{ "name": "", "type": "address" }],
                 "payable": false,
                 "stateMutability": "view",
                 "type": "function"
             },
             {
                 "constant": true,
-                "inputs": [
-                    {
-                        "name": "",
-                        "type": "bytes32"
-                    }
-                ],
+                "inputs": [{ "name": "", "type": "bytes32" }],
                 "name": "transactions",
-                "outputs": [
-                    {
-                        "name": "",
-                        "type": "bool"
-                    }
-                ],
+                "outputs": [{ "name": "", "type": "bool" }],
                 "payable": false,
                 "stateMutability": "view",
                 "type": "function"
@@ -764,87 +343,33 @@
                 "inputs": [
                     {
                         "components": [
-                            {
-                                "name": "makerAddress",
-                                "type": "address"
-                            },
-                            {
-                                "name": "takerAddress",
-                                "type": "address"
-                            },
-                            {
-                                "name": "feeRecipientAddress",
-                                "type": "address"
-                            },
-                            {
-                                "name": "senderAddress",
-                                "type": "address"
-                            },
-                            {
-                                "name": "makerAssetAmount",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "takerAssetAmount",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "makerFee",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "takerFee",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "expirationTimeSeconds",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "salt",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "makerAssetData",
-                                "type": "bytes"
-                            },
-                            {
-                                "name": "takerAssetData",
-                                "type": "bytes"
-                            }
+                            { "name": "makerAddress", "type": "address" },
+                            { "name": "takerAddress", "type": "address" },
+                            { "name": "feeRecipientAddress", "type": "address" },
+                            { "name": "senderAddress", "type": "address" },
+                            { "name": "makerAssetAmount", "type": "uint256" },
+                            { "name": "takerAssetAmount", "type": "uint256" },
+                            { "name": "makerFee", "type": "uint256" },
+                            { "name": "takerFee", "type": "uint256" },
+                            { "name": "expirationTimeSeconds", "type": "uint256" },
+                            { "name": "salt", "type": "uint256" },
+                            { "name": "makerAssetData", "type": "bytes" },
+                            { "name": "takerAssetData", "type": "bytes" }
                         ],
                         "name": "order",
                         "type": "tuple"
                     },
-                    {
-                        "name": "takerAssetFillAmount",
-                        "type": "uint256"
-                    },
-                    {
-                        "name": "signature",
-                        "type": "bytes"
-                    }
+                    { "name": "takerAssetFillAmount", "type": "uint256" },
+                    { "name": "signature", "type": "bytes" }
                 ],
                 "name": "fillOrKillOrder",
                 "outputs": [
                     {
                         "components": [
-                            {
-                                "name": "makerAssetFilledAmount",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "takerAssetFilledAmount",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "makerFeePaid",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "takerFeePaid",
-                                "type": "uint256"
-                            }
+                            { "name": "makerAssetFilledAmount", "type": "uint256" },
+                            { "name": "takerAssetFilledAmount", "type": "uint256" },
+                            { "name": "makerFeePaid", "type": "uint256" },
+                            { "name": "takerFeePaid", "type": "uint256" }
                         ],
                         "name": "fillResults",
                         "type": "tuple"
@@ -856,16 +381,7 @@
             },
             {
                 "constant": false,
-                "inputs": [
-                    {
-                        "name": "validatorAddress",
-                        "type": "address"
-                    },
-                    {
-                        "name": "approval",
-                        "type": "bool"
-                    }
-                ],
+                "inputs": [{ "name": "validatorAddress", "type": "address" }, { "name": "approval", "type": "bool" }],
                 "name": "setSignatureValidatorApproval",
                 "outputs": [],
                 "payable": false,
@@ -874,23 +390,9 @@
             },
             {
                 "constant": true,
-                "inputs": [
-                    {
-                        "name": "",
-                        "type": "address"
-                    },
-                    {
-                        "name": "",
-                        "type": "address"
-                    }
-                ],
+                "inputs": [{ "name": "", "type": "address" }, { "name": "", "type": "address" }],
                 "name": "allowedValidators",
-                "outputs": [
-                    {
-                        "name": "",
-                        "type": "bool"
-                    }
-                ],
+                "outputs": [{ "name": "", "type": "bool" }],
                 "payable": false,
                 "stateMutability": "view",
                 "type": "function"
@@ -900,87 +402,33 @@
                 "inputs": [
                     {
                         "components": [
-                            {
-                                "name": "makerAddress",
-                                "type": "address"
-                            },
-                            {
-                                "name": "takerAddress",
-                                "type": "address"
-                            },
-                            {
-                                "name": "feeRecipientAddress",
-                                "type": "address"
-                            },
-                            {
-                                "name": "senderAddress",
-                                "type": "address"
-                            },
-                            {
-                                "name": "makerAssetAmount",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "takerAssetAmount",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "makerFee",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "takerFee",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "expirationTimeSeconds",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "salt",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "makerAssetData",
-                                "type": "bytes"
-                            },
-                            {
-                                "name": "takerAssetData",
-                                "type": "bytes"
-                            }
+                            { "name": "makerAddress", "type": "address" },
+                            { "name": "takerAddress", "type": "address" },
+                            { "name": "feeRecipientAddress", "type": "address" },
+                            { "name": "senderAddress", "type": "address" },
+                            { "name": "makerAssetAmount", "type": "uint256" },
+                            { "name": "takerAssetAmount", "type": "uint256" },
+                            { "name": "makerFee", "type": "uint256" },
+                            { "name": "takerFee", "type": "uint256" },
+                            { "name": "expirationTimeSeconds", "type": "uint256" },
+                            { "name": "salt", "type": "uint256" },
+                            { "name": "makerAssetData", "type": "bytes" },
+                            { "name": "takerAssetData", "type": "bytes" }
                         ],
                         "name": "orders",
                         "type": "tuple[]"
                     },
-                    {
-                        "name": "takerAssetFillAmount",
-                        "type": "uint256"
-                    },
-                    {
-                        "name": "signatures",
-                        "type": "bytes[]"
-                    }
+                    { "name": "takerAssetFillAmount", "type": "uint256" },
+                    { "name": "signatures", "type": "bytes[]" }
                 ],
                 "name": "marketSellOrders",
                 "outputs": [
                     {
                         "components": [
-                            {
-                                "name": "makerAssetFilledAmount",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "takerAssetFilledAmount",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "makerFeePaid",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "takerFeePaid",
-                                "type": "uint256"
-                            }
+                            { "name": "makerAssetFilledAmount", "type": "uint256" },
+                            { "name": "takerAssetFilledAmount", "type": "uint256" },
+                            { "name": "makerFeePaid", "type": "uint256" },
+                            { "name": "takerFeePaid", "type": "uint256" }
                         ],
                         "name": "totalFillResults",
                         "type": "tuple"
@@ -995,54 +443,18 @@
                 "inputs": [
                     {
                         "components": [
-                            {
-                                "name": "makerAddress",
-                                "type": "address"
-                            },
-                            {
-                                "name": "takerAddress",
-                                "type": "address"
-                            },
-                            {
-                                "name": "feeRecipientAddress",
-                                "type": "address"
-                            },
-                            {
-                                "name": "senderAddress",
-                                "type": "address"
-                            },
-                            {
-                                "name": "makerAssetAmount",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "takerAssetAmount",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "makerFee",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "takerFee",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "expirationTimeSeconds",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "salt",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "makerAssetData",
-                                "type": "bytes"
-                            },
-                            {
-                                "name": "takerAssetData",
-                                "type": "bytes"
-                            }
+                            { "name": "makerAddress", "type": "address" },
+                            { "name": "takerAddress", "type": "address" },
+                            { "name": "feeRecipientAddress", "type": "address" },
+                            { "name": "senderAddress", "type": "address" },
+                            { "name": "makerAssetAmount", "type": "uint256" },
+                            { "name": "takerAssetAmount", "type": "uint256" },
+                            { "name": "makerFee", "type": "uint256" },
+                            { "name": "takerFee", "type": "uint256" },
+                            { "name": "expirationTimeSeconds", "type": "uint256" },
+                            { "name": "salt", "type": "uint256" },
+                            { "name": "makerAssetData", "type": "bytes" },
+                            { "name": "takerAssetData", "type": "bytes" }
                         ],
                         "name": "orders",
                         "type": "tuple[]"
@@ -1052,18 +464,9 @@
                 "outputs": [
                     {
                         "components": [
-                            {
-                                "name": "orderStatus",
-                                "type": "uint8"
-                            },
-                            {
-                                "name": "orderHash",
-                                "type": "bytes32"
-                            },
-                            {
-                                "name": "orderTakerAssetFilledAmount",
-                                "type": "uint256"
-                            }
+                            { "name": "orderStatus", "type": "uint8" },
+                            { "name": "orderHash", "type": "bytes32" },
+                            { "name": "orderTakerAssetFilledAmount", "type": "uint256" }
                         ],
                         "name": "",
                         "type": "tuple[]"
@@ -1075,23 +478,9 @@
             },
             {
                 "constant": true,
-                "inputs": [
-                    {
-                        "name": "",
-                        "type": "bytes32"
-                    },
-                    {
-                        "name": "",
-                        "type": "address"
-                    }
-                ],
+                "inputs": [{ "name": "", "type": "bytes32" }, { "name": "", "type": "address" }],
                 "name": "preSigned",
-                "outputs": [
-                    {
-                        "name": "",
-                        "type": "bool"
-                    }
-                ],
+                "outputs": [{ "name": "", "type": "bool" }],
                 "payable": false,
                 "stateMutability": "view",
                 "type": "function"
@@ -1100,12 +489,7 @@
                 "constant": true,
                 "inputs": [],
                 "name": "owner",
-                "outputs": [
-                    {
-                        "name": "",
-                        "type": "address"
-                    }
-                ],
+                "outputs": [{ "name": "", "type": "address" }],
                 "payable": false,
                 "stateMutability": "view",
                 "type": "function"
@@ -1113,26 +497,12 @@
             {
                 "constant": true,
                 "inputs": [
-                    {
-                        "name": "hash",
-                        "type": "bytes32"
-                    },
-                    {
-                        "name": "signerAddress",
-                        "type": "address"
-                    },
-                    {
-                        "name": "signature",
-                        "type": "bytes"
-                    }
+                    { "name": "hash", "type": "bytes32" },
+                    { "name": "signerAddress", "type": "address" },
+                    { "name": "signature", "type": "bytes" }
                 ],
                 "name": "isValidSignature",
-                "outputs": [
-                    {
-                        "name": "isValid",
-                        "type": "bool"
-                    }
-                ],
+                "outputs": [{ "name": "isValid", "type": "bool" }],
                 "payable": false,
                 "stateMutability": "view",
                 "type": "function"
@@ -1142,87 +512,33 @@
                 "inputs": [
                     {
                         "components": [
-                            {
-                                "name": "makerAddress",
-                                "type": "address"
-                            },
-                            {
-                                "name": "takerAddress",
-                                "type": "address"
-                            },
-                            {
-                                "name": "feeRecipientAddress",
-                                "type": "address"
-                            },
-                            {
-                                "name": "senderAddress",
-                                "type": "address"
-                            },
-                            {
-                                "name": "makerAssetAmount",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "takerAssetAmount",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "makerFee",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "takerFee",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "expirationTimeSeconds",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "salt",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "makerAssetData",
-                                "type": "bytes"
-                            },
-                            {
-                                "name": "takerAssetData",
-                                "type": "bytes"
-                            }
+                            { "name": "makerAddress", "type": "address" },
+                            { "name": "takerAddress", "type": "address" },
+                            { "name": "feeRecipientAddress", "type": "address" },
+                            { "name": "senderAddress", "type": "address" },
+                            { "name": "makerAssetAmount", "type": "uint256" },
+                            { "name": "takerAssetAmount", "type": "uint256" },
+                            { "name": "makerFee", "type": "uint256" },
+                            { "name": "takerFee", "type": "uint256" },
+                            { "name": "expirationTimeSeconds", "type": "uint256" },
+                            { "name": "salt", "type": "uint256" },
+                            { "name": "makerAssetData", "type": "bytes" },
+                            { "name": "takerAssetData", "type": "bytes" }
                         ],
                         "name": "orders",
                         "type": "tuple[]"
                     },
-                    {
-                        "name": "makerAssetFillAmount",
-                        "type": "uint256"
-                    },
-                    {
-                        "name": "signatures",
-                        "type": "bytes[]"
-                    }
+                    { "name": "makerAssetFillAmount", "type": "uint256" },
+                    { "name": "signatures", "type": "bytes[]" }
                 ],
                 "name": "marketBuyOrdersNoThrow",
                 "outputs": [
                     {
                         "components": [
-                            {
-                                "name": "makerAssetFilledAmount",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "takerAssetFilledAmount",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "makerFeePaid",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "takerFeePaid",
-                                "type": "uint256"
-                            }
+                            { "name": "makerAssetFilledAmount", "type": "uint256" },
+                            { "name": "takerAssetFilledAmount", "type": "uint256" },
+                            { "name": "makerFeePaid", "type": "uint256" },
+                            { "name": "takerFeePaid", "type": "uint256" }
                         ],
                         "name": "totalFillResults",
                         "type": "tuple"
@@ -1237,87 +553,33 @@
                 "inputs": [
                     {
                         "components": [
-                            {
-                                "name": "makerAddress",
-                                "type": "address"
-                            },
-                            {
-                                "name": "takerAddress",
-                                "type": "address"
-                            },
-                            {
-                                "name": "feeRecipientAddress",
-                                "type": "address"
-                            },
-                            {
-                                "name": "senderAddress",
-                                "type": "address"
-                            },
-                            {
-                                "name": "makerAssetAmount",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "takerAssetAmount",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "makerFee",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "takerFee",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "expirationTimeSeconds",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "salt",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "makerAssetData",
-                                "type": "bytes"
-                            },
-                            {
-                                "name": "takerAssetData",
-                                "type": "bytes"
-                            }
+                            { "name": "makerAddress", "type": "address" },
+                            { "name": "takerAddress", "type": "address" },
+                            { "name": "feeRecipientAddress", "type": "address" },
+                            { "name": "senderAddress", "type": "address" },
+                            { "name": "makerAssetAmount", "type": "uint256" },
+                            { "name": "takerAssetAmount", "type": "uint256" },
+                            { "name": "makerFee", "type": "uint256" },
+                            { "name": "takerFee", "type": "uint256" },
+                            { "name": "expirationTimeSeconds", "type": "uint256" },
+                            { "name": "salt", "type": "uint256" },
+                            { "name": "makerAssetData", "type": "bytes" },
+                            { "name": "takerAssetData", "type": "bytes" }
                         ],
                         "name": "order",
                         "type": "tuple"
                     },
-                    {
-                        "name": "takerAssetFillAmount",
-                        "type": "uint256"
-                    },
-                    {
-                        "name": "signature",
-                        "type": "bytes"
-                    }
+                    { "name": "takerAssetFillAmount", "type": "uint256" },
+                    { "name": "signature", "type": "bytes" }
                 ],
                 "name": "fillOrder",
                 "outputs": [
                     {
                         "components": [
-                            {
-                                "name": "makerAssetFilledAmount",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "takerAssetFilledAmount",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "makerFeePaid",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "takerFeePaid",
-                                "type": "uint256"
-                            }
+                            { "name": "makerAssetFilledAmount", "type": "uint256" },
+                            { "name": "takerAssetFilledAmount", "type": "uint256" },
+                            { "name": "makerFeePaid", "type": "uint256" },
+                            { "name": "takerFeePaid", "type": "uint256" }
                         ],
                         "name": "fillResults",
                         "type": "tuple"
@@ -1330,22 +592,10 @@
             {
                 "constant": false,
                 "inputs": [
-                    {
-                        "name": "salt",
-                        "type": "uint256"
-                    },
-                    {
-                        "name": "signerAddress",
-                        "type": "address"
-                    },
-                    {
-                        "name": "data",
-                        "type": "bytes"
-                    },
-                    {
-                        "name": "signature",
-                        "type": "bytes"
-                    }
+                    { "name": "salt", "type": "uint256" },
+                    { "name": "signerAddress", "type": "address" },
+                    { "name": "data", "type": "bytes" },
+                    { "name": "signature", "type": "bytes" }
                 ],
                 "name": "executeTransaction",
                 "outputs": [],
@@ -1355,12 +605,7 @@
             },
             {
                 "constant": false,
-                "inputs": [
-                    {
-                        "name": "assetProxy",
-                        "type": "address"
-                    }
-                ],
+                "inputs": [{ "name": "assetProxy", "type": "address" }],
                 "name": "registerAssetProxy",
                 "outputs": [],
                 "payable": false,
@@ -1372,54 +617,18 @@
                 "inputs": [
                     {
                         "components": [
-                            {
-                                "name": "makerAddress",
-                                "type": "address"
-                            },
-                            {
-                                "name": "takerAddress",
-                                "type": "address"
-                            },
-                            {
-                                "name": "feeRecipientAddress",
-                                "type": "address"
-                            },
-                            {
-                                "name": "senderAddress",
-                                "type": "address"
-                            },
-                            {
-                                "name": "makerAssetAmount",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "takerAssetAmount",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "makerFee",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "takerFee",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "expirationTimeSeconds",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "salt",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "makerAssetData",
-                                "type": "bytes"
-                            },
-                            {
-                                "name": "takerAssetData",
-                                "type": "bytes"
-                            }
+                            { "name": "makerAddress", "type": "address" },
+                            { "name": "takerAddress", "type": "address" },
+                            { "name": "feeRecipientAddress", "type": "address" },
+                            { "name": "senderAddress", "type": "address" },
+                            { "name": "makerAssetAmount", "type": "uint256" },
+                            { "name": "takerAssetAmount", "type": "uint256" },
+                            { "name": "makerFee", "type": "uint256" },
+                            { "name": "takerFee", "type": "uint256" },
+                            { "name": "expirationTimeSeconds", "type": "uint256" },
+                            { "name": "salt", "type": "uint256" },
+                            { "name": "makerAssetData", "type": "bytes" },
+                            { "name": "takerAssetData", "type": "bytes" }
                         ],
                         "name": "order",
                         "type": "tuple"
@@ -1429,18 +638,9 @@
                 "outputs": [
                     {
                         "components": [
-                            {
-                                "name": "orderStatus",
-                                "type": "uint8"
-                            },
-                            {
-                                "name": "orderHash",
-                                "type": "bytes32"
-                            },
-                            {
-                                "name": "orderTakerAssetFilledAmount",
-                                "type": "uint256"
-                            }
+                            { "name": "orderStatus", "type": "uint8" },
+                            { "name": "orderHash", "type": "bytes32" },
+                            { "name": "orderTakerAssetFilledAmount", "type": "uint256" }
                         ],
                         "name": "orderInfo",
                         "type": "tuple"
@@ -1455,54 +655,18 @@
                 "inputs": [
                     {
                         "components": [
-                            {
-                                "name": "makerAddress",
-                                "type": "address"
-                            },
-                            {
-                                "name": "takerAddress",
-                                "type": "address"
-                            },
-                            {
-                                "name": "feeRecipientAddress",
-                                "type": "address"
-                            },
-                            {
-                                "name": "senderAddress",
-                                "type": "address"
-                            },
-                            {
-                                "name": "makerAssetAmount",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "takerAssetAmount",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "makerFee",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "takerFee",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "expirationTimeSeconds",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "salt",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "makerAssetData",
-                                "type": "bytes"
-                            },
-                            {
-                                "name": "takerAssetData",
-                                "type": "bytes"
-                            }
+                            { "name": "makerAddress", "type": "address" },
+                            { "name": "takerAddress", "type": "address" },
+                            { "name": "feeRecipientAddress", "type": "address" },
+                            { "name": "senderAddress", "type": "address" },
+                            { "name": "makerAssetAmount", "type": "uint256" },
+                            { "name": "takerAssetAmount", "type": "uint256" },
+                            { "name": "makerFee", "type": "uint256" },
+                            { "name": "takerFee", "type": "uint256" },
+                            { "name": "expirationTimeSeconds", "type": "uint256" },
+                            { "name": "salt", "type": "uint256" },
+                            { "name": "makerAssetData", "type": "bytes" },
+                            { "name": "takerAssetData", "type": "bytes" }
                         ],
                         "name": "order",
                         "type": "tuple"
@@ -1516,23 +680,9 @@
             },
             {
                 "constant": true,
-                "inputs": [
-                    {
-                        "name": "",
-                        "type": "address"
-                    },
-                    {
-                        "name": "",
-                        "type": "address"
-                    }
-                ],
+                "inputs": [{ "name": "", "type": "address" }, { "name": "", "type": "address" }],
                 "name": "orderEpoch",
-                "outputs": [
-                    {
-                        "name": "",
-                        "type": "uint256"
-                    }
-                ],
+                "outputs": [{ "name": "", "type": "uint256" }],
                 "payable": false,
                 "stateMutability": "view",
                 "type": "function"
@@ -1541,12 +691,7 @@
                 "constant": true,
                 "inputs": [],
                 "name": "ZRX_ASSET_DATA",
-                "outputs": [
-                    {
-                        "name": "",
-                        "type": "bytes"
-                    }
-                ],
+                "outputs": [{ "name": "", "type": "bytes" }],
                 "payable": false,
                 "stateMutability": "view",
                 "type": "function"
@@ -1556,87 +701,33 @@
                 "inputs": [
                     {
                         "components": [
-                            {
-                                "name": "makerAddress",
-                                "type": "address"
-                            },
-                            {
-                                "name": "takerAddress",
-                                "type": "address"
-                            },
-                            {
-                                "name": "feeRecipientAddress",
-                                "type": "address"
-                            },
-                            {
-                                "name": "senderAddress",
-                                "type": "address"
-                            },
-                            {
-                                "name": "makerAssetAmount",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "takerAssetAmount",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "makerFee",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "takerFee",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "expirationTimeSeconds",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "salt",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "makerAssetData",
-                                "type": "bytes"
-                            },
-                            {
-                                "name": "takerAssetData",
-                                "type": "bytes"
-                            }
+                            { "name": "makerAddress", "type": "address" },
+                            { "name": "takerAddress", "type": "address" },
+                            { "name": "feeRecipientAddress", "type": "address" },
+                            { "name": "senderAddress", "type": "address" },
+                            { "name": "makerAssetAmount", "type": "uint256" },
+                            { "name": "takerAssetAmount", "type": "uint256" },
+                            { "name": "makerFee", "type": "uint256" },
+                            { "name": "takerFee", "type": "uint256" },
+                            { "name": "expirationTimeSeconds", "type": "uint256" },
+                            { "name": "salt", "type": "uint256" },
+                            { "name": "makerAssetData", "type": "bytes" },
+                            { "name": "takerAssetData", "type": "bytes" }
                         ],
                         "name": "orders",
                         "type": "tuple[]"
                     },
-                    {
-                        "name": "takerAssetFillAmount",
-                        "type": "uint256"
-                    },
-                    {
-                        "name": "signatures",
-                        "type": "bytes[]"
-                    }
+                    { "name": "takerAssetFillAmount", "type": "uint256" },
+                    { "name": "signatures", "type": "bytes[]" }
                 ],
                 "name": "marketSellOrdersNoThrow",
                 "outputs": [
                     {
                         "components": [
-                            {
-                                "name": "makerAssetFilledAmount",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "takerAssetFilledAmount",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "makerFeePaid",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "takerFeePaid",
-                                "type": "uint256"
-                            }
+                            { "name": "makerAssetFilledAmount", "type": "uint256" },
+                            { "name": "takerAssetFilledAmount", "type": "uint256" },
+                            { "name": "makerFeePaid", "type": "uint256" },
+                            { "name": "takerFeePaid", "type": "uint256" }
                         ],
                         "name": "totalFillResults",
                         "type": "tuple"
@@ -1650,12 +741,7 @@
                 "constant": true,
                 "inputs": [],
                 "name": "EIP712_DOMAIN_HASH",
-                "outputs": [
-                    {
-                        "name": "",
-                        "type": "bytes32"
-                    }
-                ],
+                "outputs": [{ "name": "", "type": "bytes32" }],
                 "payable": false,
                 "stateMutability": "view",
                 "type": "function"
@@ -1665,87 +751,33 @@
                 "inputs": [
                     {
                         "components": [
-                            {
-                                "name": "makerAddress",
-                                "type": "address"
-                            },
-                            {
-                                "name": "takerAddress",
-                                "type": "address"
-                            },
-                            {
-                                "name": "feeRecipientAddress",
-                                "type": "address"
-                            },
-                            {
-                                "name": "senderAddress",
-                                "type": "address"
-                            },
-                            {
-                                "name": "makerAssetAmount",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "takerAssetAmount",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "makerFee",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "takerFee",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "expirationTimeSeconds",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "salt",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "makerAssetData",
-                                "type": "bytes"
-                            },
-                            {
-                                "name": "takerAssetData",
-                                "type": "bytes"
-                            }
+                            { "name": "makerAddress", "type": "address" },
+                            { "name": "takerAddress", "type": "address" },
+                            { "name": "feeRecipientAddress", "type": "address" },
+                            { "name": "senderAddress", "type": "address" },
+                            { "name": "makerAssetAmount", "type": "uint256" },
+                            { "name": "takerAssetAmount", "type": "uint256" },
+                            { "name": "makerFee", "type": "uint256" },
+                            { "name": "takerFee", "type": "uint256" },
+                            { "name": "expirationTimeSeconds", "type": "uint256" },
+                            { "name": "salt", "type": "uint256" },
+                            { "name": "makerAssetData", "type": "bytes" },
+                            { "name": "takerAssetData", "type": "bytes" }
                         ],
                         "name": "orders",
                         "type": "tuple[]"
                     },
-                    {
-                        "name": "makerAssetFillAmount",
-                        "type": "uint256"
-                    },
-                    {
-                        "name": "signatures",
-                        "type": "bytes[]"
-                    }
+                    { "name": "makerAssetFillAmount", "type": "uint256" },
+                    { "name": "signatures", "type": "bytes[]" }
                 ],
                 "name": "marketBuyOrders",
                 "outputs": [
                     {
                         "components": [
-                            {
-                                "name": "makerAssetFilledAmount",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "takerAssetFilledAmount",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "makerFeePaid",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "takerFeePaid",
-                                "type": "uint256"
-                            }
+                            { "name": "makerAssetFilledAmount", "type": "uint256" },
+                            { "name": "takerAssetFilledAmount", "type": "uint256" },
+                            { "name": "makerFeePaid", "type": "uint256" },
+                            { "name": "takerFeePaid", "type": "uint256" }
                         ],
                         "name": "totalFillResults",
                         "type": "tuple"
@@ -1759,24 +791,14 @@
                 "constant": true,
                 "inputs": [],
                 "name": "currentContextAddress",
-                "outputs": [
-                    {
-                        "name": "",
-                        "type": "address"
-                    }
-                ],
+                "outputs": [{ "name": "", "type": "address" }],
                 "payable": false,
                 "stateMutability": "view",
                 "type": "function"
             },
             {
                 "constant": false,
-                "inputs": [
-                    {
-                        "name": "newOwner",
-                        "type": "address"
-                    }
-                ],
+                "inputs": [{ "name": "newOwner", "type": "address" }],
                 "name": "transferOwnership",
                 "outputs": [],
                 "payable": false,
@@ -1787,23 +809,13 @@
                 "constant": true,
                 "inputs": [],
                 "name": "VERSION",
-                "outputs": [
-                    {
-                        "name": "",
-                        "type": "string"
-                    }
-                ],
+                "outputs": [{ "name": "", "type": "string" }],
                 "payable": false,
                 "stateMutability": "view",
                 "type": "function"
             },
             {
-                "inputs": [
-                    {
-                        "name": "_zrxAssetData",
-                        "type": "bytes"
-                    }
-                ],
+                "inputs": [{ "name": "_zrxAssetData", "type": "bytes" }],
                 "payable": false,
                 "stateMutability": "nonpayable",
                 "type": "constructor"
@@ -1811,21 +823,9 @@
             {
                 "anonymous": false,
                 "inputs": [
-                    {
-                        "indexed": true,
-                        "name": "signerAddress",
-                        "type": "address"
-                    },
-                    {
-                        "indexed": true,
-                        "name": "validatorAddress",
-                        "type": "address"
-                    },
-                    {
-                        "indexed": false,
-                        "name": "approved",
-                        "type": "bool"
-                    }
+                    { "indexed": true, "name": "signerAddress", "type": "address" },
+                    { "indexed": true, "name": "validatorAddress", "type": "address" },
+                    { "indexed": false, "name": "approved", "type": "bool" }
                 ],
                 "name": "SignatureValidatorApproval",
                 "type": "event"
@@ -1833,61 +833,17 @@
             {
                 "anonymous": false,
                 "inputs": [
-                    {
-                        "indexed": true,
-                        "name": "makerAddress",
-                        "type": "address"
-                    },
-                    {
-                        "indexed": true,
-                        "name": "feeRecipientAddress",
-                        "type": "address"
-                    },
-                    {
-                        "indexed": false,
-                        "name": "takerAddress",
-                        "type": "address"
-                    },
-                    {
-                        "indexed": false,
-                        "name": "senderAddress",
-                        "type": "address"
-                    },
-                    {
-                        "indexed": false,
-                        "name": "makerAssetFilledAmount",
-                        "type": "uint256"
-                    },
-                    {
-                        "indexed": false,
-                        "name": "takerAssetFilledAmount",
-                        "type": "uint256"
-                    },
-                    {
-                        "indexed": false,
-                        "name": "makerFeePaid",
-                        "type": "uint256"
-                    },
-                    {
-                        "indexed": false,
-                        "name": "takerFeePaid",
-                        "type": "uint256"
-                    },
-                    {
-                        "indexed": true,
-                        "name": "orderHash",
-                        "type": "bytes32"
-                    },
-                    {
-                        "indexed": false,
-                        "name": "makerAssetData",
-                        "type": "bytes"
-                    },
-                    {
-                        "indexed": false,
-                        "name": "takerAssetData",
-                        "type": "bytes"
-                    }
+                    { "indexed": true, "name": "makerAddress", "type": "address" },
+                    { "indexed": true, "name": "feeRecipientAddress", "type": "address" },
+                    { "indexed": false, "name": "takerAddress", "type": "address" },
+                    { "indexed": false, "name": "senderAddress", "type": "address" },
+                    { "indexed": false, "name": "makerAssetFilledAmount", "type": "uint256" },
+                    { "indexed": false, "name": "takerAssetFilledAmount", "type": "uint256" },
+                    { "indexed": false, "name": "makerFeePaid", "type": "uint256" },
+                    { "indexed": false, "name": "takerFeePaid", "type": "uint256" },
+                    { "indexed": true, "name": "orderHash", "type": "bytes32" },
+                    { "indexed": false, "name": "makerAssetData", "type": "bytes" },
+                    { "indexed": false, "name": "takerAssetData", "type": "bytes" }
                 ],
                 "name": "Fill",
                 "type": "event"
@@ -1895,36 +851,12 @@
             {
                 "anonymous": false,
                 "inputs": [
-                    {
-                        "indexed": true,
-                        "name": "makerAddress",
-                        "type": "address"
-                    },
-                    {
-                        "indexed": true,
-                        "name": "feeRecipientAddress",
-                        "type": "address"
-                    },
-                    {
-                        "indexed": false,
-                        "name": "senderAddress",
-                        "type": "address"
-                    },
-                    {
-                        "indexed": true,
-                        "name": "orderHash",
-                        "type": "bytes32"
-                    },
-                    {
-                        "indexed": false,
-                        "name": "makerAssetData",
-                        "type": "bytes"
-                    },
-                    {
-                        "indexed": false,
-                        "name": "takerAssetData",
-                        "type": "bytes"
-                    }
+                    { "indexed": true, "name": "makerAddress", "type": "address" },
+                    { "indexed": true, "name": "feeRecipientAddress", "type": "address" },
+                    { "indexed": false, "name": "senderAddress", "type": "address" },
+                    { "indexed": true, "name": "orderHash", "type": "bytes32" },
+                    { "indexed": false, "name": "makerAssetData", "type": "bytes" },
+                    { "indexed": false, "name": "takerAssetData", "type": "bytes" }
                 ],
                 "name": "Cancel",
                 "type": "event"
@@ -1932,21 +864,9 @@
             {
                 "anonymous": false,
                 "inputs": [
-                    {
-                        "indexed": true,
-                        "name": "makerAddress",
-                        "type": "address"
-                    },
-                    {
-                        "indexed": true,
-                        "name": "senderAddress",
-                        "type": "address"
-                    },
-                    {
-                        "indexed": false,
-                        "name": "orderEpoch",
-                        "type": "uint256"
-                    }
+                    { "indexed": true, "name": "makerAddress", "type": "address" },
+                    { "indexed": true, "name": "senderAddress", "type": "address" },
+                    { "indexed": false, "name": "orderEpoch", "type": "uint256" }
                 ],
                 "name": "CancelUpTo",
                 "type": "event"
@@ -1954,16 +874,8 @@
             {
                 "anonymous": false,
                 "inputs": [
-                    {
-                        "indexed": false,
-                        "name": "id",
-                        "type": "bytes4"
-                    },
-                    {
-                        "indexed": false,
-                        "name": "assetProxy",
-                        "type": "address"
-                    }
+                    { "indexed": false, "name": "id", "type": "bytes4" },
+                    { "indexed": false, "name": "assetProxy", "type": "address" }
                 ],
                 "name": "AssetProxyRegistered",
                 "type": "event"
@@ -1971,9 +883,7 @@
         ],
         "evm": {
             "bytecode": {
-                "linkReferences": {},
-                "object":
-                    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             }
         }
     },
diff --git a/python-packages/contract_artifacts/src/zero_ex/contract_artifacts/artifacts/Forwarder.json b/python-packages/contract_artifacts/src/zero_ex/contract_artifacts/artifacts/Forwarder.json
index a7bd62f8ec..4ad3d294b8 100644
--- a/python-packages/contract_artifacts/src/zero_ex/contract_artifacts/artifacts/Forwarder.json
+++ b/python-packages/contract_artifacts/src/zero_ex/contract_artifacts/artifacts/Forwarder.json
@@ -1,447 +1,195 @@
 {
-	"schemaVersion": "2.0.0",
-	"contractName": "Forwarder",
-	"compilerOutput": {
-		"abi": [
-			{
-				"constant": false,
-				"inputs": [
-					{
-						"components": [
-							{
-								"name": "makerAddress",
-								"type": "address"
-							},
-							{
-								"name": "takerAddress",
-								"type": "address"
-							},
-							{
-								"name": "feeRecipientAddress",
-								"type": "address"
-							},
-							{
-								"name": "senderAddress",
-								"type": "address"
-							},
-							{
-								"name": "makerAssetAmount",
-								"type": "uint256"
-							},
-							{
-								"name": "takerAssetAmount",
-								"type": "uint256"
-							},
-							{
-								"name": "makerFee",
-								"type": "uint256"
-							},
-							{
-								"name": "takerFee",
-								"type": "uint256"
-							},
-							{
-								"name": "expirationTimeSeconds",
-								"type": "uint256"
-							},
-							{
-								"name": "salt",
-								"type": "uint256"
-							},
-							{
-								"name": "makerAssetData",
-								"type": "bytes"
-							},
-							{
-								"name": "takerAssetData",
-								"type": "bytes"
-							}
-						],
-						"name": "orders",
-						"type": "tuple[]"
-					},
-					{
-						"name": "makerAssetFillAmount",
-						"type": "uint256"
-					},
-					{
-						"name": "signatures",
-						"type": "bytes[]"
-					},
-					{
-						"components": [
-							{
-								"name": "makerAddress",
-								"type": "address"
-							},
-							{
-								"name": "takerAddress",
-								"type": "address"
-							},
-							{
-								"name": "feeRecipientAddress",
-								"type": "address"
-							},
-							{
-								"name": "senderAddress",
-								"type": "address"
-							},
-							{
-								"name": "makerAssetAmount",
-								"type": "uint256"
-							},
-							{
-								"name": "takerAssetAmount",
-								"type": "uint256"
-							},
-							{
-								"name": "makerFee",
-								"type": "uint256"
-							},
-							{
-								"name": "takerFee",
-								"type": "uint256"
-							},
-							{
-								"name": "expirationTimeSeconds",
-								"type": "uint256"
-							},
-							{
-								"name": "salt",
-								"type": "uint256"
-							},
-							{
-								"name": "makerAssetData",
-								"type": "bytes"
-							},
-							{
-								"name": "takerAssetData",
-								"type": "bytes"
-							}
-						],
-						"name": "feeOrders",
-						"type": "tuple[]"
-					},
-					{
-						"name": "feeSignatures",
-						"type": "bytes[]"
-					},
-					{
-						"name": "feePercentage",
-						"type": "uint256"
-					},
-					{
-						"name": "feeRecipient",
-						"type": "address"
-					}
-				],
-				"name": "marketBuyOrdersWithEth",
-				"outputs": [
-					{
-						"components": [
-							{
-								"name": "makerAssetFilledAmount",
-								"type": "uint256"
-							},
-							{
-								"name": "takerAssetFilledAmount",
-								"type": "uint256"
-							},
-							{
-								"name": "makerFeePaid",
-								"type": "uint256"
-							},
-							{
-								"name": "takerFeePaid",
-								"type": "uint256"
-							}
-						],
-						"name": "orderFillResults",
-						"type": "tuple"
-					},
-					{
-						"components": [
-							{
-								"name": "makerAssetFilledAmount",
-								"type": "uint256"
-							},
-							{
-								"name": "takerAssetFilledAmount",
-								"type": "uint256"
-							},
-							{
-								"name": "makerFeePaid",
-								"type": "uint256"
-							},
-							{
-								"name": "takerFeePaid",
-								"type": "uint256"
-							}
-						],
-						"name": "feeOrderFillResults",
-						"type": "tuple"
-					}
-				],
-				"payable": true,
-				"stateMutability": "payable",
-				"type": "function"
-			},
-			{
-				"constant": false,
-				"inputs": [
-					{
-						"name": "assetData",
-						"type": "bytes"
-					},
-					{
-						"name": "amount",
-						"type": "uint256"
-					}
-				],
-				"name": "withdrawAsset",
-				"outputs": [],
-				"payable": false,
-				"stateMutability": "nonpayable",
-				"type": "function"
-			},
-			{
-				"constant": true,
-				"inputs": [],
-				"name": "owner",
-				"outputs": [
-					{
-						"name": "",
-						"type": "address"
-					}
-				],
-				"payable": false,
-				"stateMutability": "view",
-				"type": "function"
-			},
-			{
-				"constant": false,
-				"inputs": [
-					{
-						"components": [
-							{
-								"name": "makerAddress",
-								"type": "address"
-							},
-							{
-								"name": "takerAddress",
-								"type": "address"
-							},
-							{
-								"name": "feeRecipientAddress",
-								"type": "address"
-							},
-							{
-								"name": "senderAddress",
-								"type": "address"
-							},
-							{
-								"name": "makerAssetAmount",
-								"type": "uint256"
-							},
-							{
-								"name": "takerAssetAmount",
-								"type": "uint256"
-							},
-							{
-								"name": "makerFee",
-								"type": "uint256"
-							},
-							{
-								"name": "takerFee",
-								"type": "uint256"
-							},
-							{
-								"name": "expirationTimeSeconds",
-								"type": "uint256"
-							},
-							{
-								"name": "salt",
-								"type": "uint256"
-							},
-							{
-								"name": "makerAssetData",
-								"type": "bytes"
-							},
-							{
-								"name": "takerAssetData",
-								"type": "bytes"
-							}
-						],
-						"name": "orders",
-						"type": "tuple[]"
-					},
-					{
-						"name": "signatures",
-						"type": "bytes[]"
-					},
-					{
-						"components": [
-							{
-								"name": "makerAddress",
-								"type": "address"
-							},
-							{
-								"name": "takerAddress",
-								"type": "address"
-							},
-							{
-								"name": "feeRecipientAddress",
-								"type": "address"
-							},
-							{
-								"name": "senderAddress",
-								"type": "address"
-							},
-							{
-								"name": "makerAssetAmount",
-								"type": "uint256"
-							},
-							{
-								"name": "takerAssetAmount",
-								"type": "uint256"
-							},
-							{
-								"name": "makerFee",
-								"type": "uint256"
-							},
-							{
-								"name": "takerFee",
-								"type": "uint256"
-							},
-							{
-								"name": "expirationTimeSeconds",
-								"type": "uint256"
-							},
-							{
-								"name": "salt",
-								"type": "uint256"
-							},
-							{
-								"name": "makerAssetData",
-								"type": "bytes"
-							},
-							{
-								"name": "takerAssetData",
-								"type": "bytes"
-							}
-						],
-						"name": "feeOrders",
-						"type": "tuple[]"
-					},
-					{
-						"name": "feeSignatures",
-						"type": "bytes[]"
-					},
-					{
-						"name": "feePercentage",
-						"type": "uint256"
-					},
-					{
-						"name": "feeRecipient",
-						"type": "address"
-					}
-				],
-				"name": "marketSellOrdersWithEth",
-				"outputs": [
-					{
-						"components": [
-							{
-								"name": "makerAssetFilledAmount",
-								"type": "uint256"
-							},
-							{
-								"name": "takerAssetFilledAmount",
-								"type": "uint256"
-							},
-							{
-								"name": "makerFeePaid",
-								"type": "uint256"
-							},
-							{
-								"name": "takerFeePaid",
-								"type": "uint256"
-							}
-						],
-						"name": "orderFillResults",
-						"type": "tuple"
-					},
-					{
-						"components": [
-							{
-								"name": "makerAssetFilledAmount",
-								"type": "uint256"
-							},
-							{
-								"name": "takerAssetFilledAmount",
-								"type": "uint256"
-							},
-							{
-								"name": "makerFeePaid",
-								"type": "uint256"
-							},
-							{
-								"name": "takerFeePaid",
-								"type": "uint256"
-							}
-						],
-						"name": "feeOrderFillResults",
-						"type": "tuple"
-					}
-				],
-				"payable": true,
-				"stateMutability": "payable",
-				"type": "function"
-			},
-			{
-				"constant": false,
-				"inputs": [
-					{
-						"name": "newOwner",
-						"type": "address"
-					}
-				],
-				"name": "transferOwnership",
-				"outputs": [],
-				"payable": false,
-				"stateMutability": "nonpayable",
-				"type": "function"
-			},
-			{
-				"inputs": [
-					{
-						"name": "_exchange",
-						"type": "address"
-					},
-					{
-						"name": "_zrxAssetData",
-						"type": "bytes"
-					},
-					{
-						"name": "_wethAssetData",
-						"type": "bytes"
-					}
-				],
-				"payable": false,
-				"stateMutability": "nonpayable",
-				"type": "constructor"
-			},
-			{
-				"payable": true,
-				"stateMutability": "payable",
-				"type": "fallback"
-			}
-		],
-		"evm": {
-			"bytecode": {
-				"linkReferences": {},
+    "schemaVersion": "2.0.0",
+    "contractName": "Forwarder",
+    "compilerOutput": {
+        "abi": [
+            {
+                "constant": false,
+                "inputs": [
+                    {
+                        "components": [
+                            { "name": "makerAddress", "type": "address" },
+                            { "name": "takerAddress", "type": "address" },
+                            { "name": "feeRecipientAddress", "type": "address" },
+                            { "name": "senderAddress", "type": "address" },
+                            { "name": "makerAssetAmount", "type": "uint256" },
+                            { "name": "takerAssetAmount", "type": "uint256" },
+                            { "name": "makerFee", "type": "uint256" },
+                            { "name": "takerFee", "type": "uint256" },
+                            { "name": "expirationTimeSeconds", "type": "uint256" },
+                            { "name": "salt", "type": "uint256" },
+                            { "name": "makerAssetData", "type": "bytes" },
+                            { "name": "takerAssetData", "type": "bytes" }
+                        ],
+                        "name": "orders",
+                        "type": "tuple[]"
+                    },
+                    { "name": "makerAssetFillAmount", "type": "uint256" },
+                    { "name": "signatures", "type": "bytes[]" },
+                    {
+                        "components": [
+                            { "name": "makerAddress", "type": "address" },
+                            { "name": "takerAddress", "type": "address" },
+                            { "name": "feeRecipientAddress", "type": "address" },
+                            { "name": "senderAddress", "type": "address" },
+                            { "name": "makerAssetAmount", "type": "uint256" },
+                            { "name": "takerAssetAmount", "type": "uint256" },
+                            { "name": "makerFee", "type": "uint256" },
+                            { "name": "takerFee", "type": "uint256" },
+                            { "name": "expirationTimeSeconds", "type": "uint256" },
+                            { "name": "salt", "type": "uint256" },
+                            { "name": "makerAssetData", "type": "bytes" },
+                            { "name": "takerAssetData", "type": "bytes" }
+                        ],
+                        "name": "feeOrders",
+                        "type": "tuple[]"
+                    },
+                    { "name": "feeSignatures", "type": "bytes[]" },
+                    { "name": "feePercentage", "type": "uint256" },
+                    { "name": "feeRecipient", "type": "address" }
+                ],
+                "name": "marketBuyOrdersWithEth",
+                "outputs": [
+                    {
+                        "components": [
+                            { "name": "makerAssetFilledAmount", "type": "uint256" },
+                            { "name": "takerAssetFilledAmount", "type": "uint256" },
+                            { "name": "makerFeePaid", "type": "uint256" },
+                            { "name": "takerFeePaid", "type": "uint256" }
+                        ],
+                        "name": "orderFillResults",
+                        "type": "tuple"
+                    },
+                    {
+                        "components": [
+                            { "name": "makerAssetFilledAmount", "type": "uint256" },
+                            { "name": "takerAssetFilledAmount", "type": "uint256" },
+                            { "name": "makerFeePaid", "type": "uint256" },
+                            { "name": "takerFeePaid", "type": "uint256" }
+                        ],
+                        "name": "feeOrderFillResults",
+                        "type": "tuple"
+                    }
+                ],
+                "payable": true,
+                "stateMutability": "payable",
+                "type": "function"
+            },
+            {
+                "constant": false,
+                "inputs": [{ "name": "assetData", "type": "bytes" }, { "name": "amount", "type": "uint256" }],
+                "name": "withdrawAsset",
+                "outputs": [],
+                "payable": false,
+                "stateMutability": "nonpayable",
+                "type": "function"
+            },
+            {
+                "constant": true,
+                "inputs": [],
+                "name": "owner",
+                "outputs": [{ "name": "", "type": "address" }],
+                "payable": false,
+                "stateMutability": "view",
+                "type": "function"
+            },
+            {
+                "constant": false,
+                "inputs": [
+                    {
+                        "components": [
+                            { "name": "makerAddress", "type": "address" },
+                            { "name": "takerAddress", "type": "address" },
+                            { "name": "feeRecipientAddress", "type": "address" },
+                            { "name": "senderAddress", "type": "address" },
+                            { "name": "makerAssetAmount", "type": "uint256" },
+                            { "name": "takerAssetAmount", "type": "uint256" },
+                            { "name": "makerFee", "type": "uint256" },
+                            { "name": "takerFee", "type": "uint256" },
+                            { "name": "expirationTimeSeconds", "type": "uint256" },
+                            { "name": "salt", "type": "uint256" },
+                            { "name": "makerAssetData", "type": "bytes" },
+                            { "name": "takerAssetData", "type": "bytes" }
+                        ],
+                        "name": "orders",
+                        "type": "tuple[]"
+                    },
+                    { "name": "signatures", "type": "bytes[]" },
+                    {
+                        "components": [
+                            { "name": "makerAddress", "type": "address" },
+                            { "name": "takerAddress", "type": "address" },
+                            { "name": "feeRecipientAddress", "type": "address" },
+                            { "name": "senderAddress", "type": "address" },
+                            { "name": "makerAssetAmount", "type": "uint256" },
+                            { "name": "takerAssetAmount", "type": "uint256" },
+                            { "name": "makerFee", "type": "uint256" },
+                            { "name": "takerFee", "type": "uint256" },
+                            { "name": "expirationTimeSeconds", "type": "uint256" },
+                            { "name": "salt", "type": "uint256" },
+                            { "name": "makerAssetData", "type": "bytes" },
+                            { "name": "takerAssetData", "type": "bytes" }
+                        ],
+                        "name": "feeOrders",
+                        "type": "tuple[]"
+                    },
+                    { "name": "feeSignatures", "type": "bytes[]" },
+                    { "name": "feePercentage", "type": "uint256" },
+                    { "name": "feeRecipient", "type": "address" }
+                ],
+                "name": "marketSellOrdersWithEth",
+                "outputs": [
+                    {
+                        "components": [
+                            { "name": "makerAssetFilledAmount", "type": "uint256" },
+                            { "name": "takerAssetFilledAmount", "type": "uint256" },
+                            { "name": "makerFeePaid", "type": "uint256" },
+                            { "name": "takerFeePaid", "type": "uint256" }
+                        ],
+                        "name": "orderFillResults",
+                        "type": "tuple"
+                    },
+                    {
+                        "components": [
+                            { "name": "makerAssetFilledAmount", "type": "uint256" },
+                            { "name": "takerAssetFilledAmount", "type": "uint256" },
+                            { "name": "makerFeePaid", "type": "uint256" },
+                            { "name": "takerFeePaid", "type": "uint256" }
+                        ],
+                        "name": "feeOrderFillResults",
+                        "type": "tuple"
+                    }
+                ],
+                "payable": true,
+                "stateMutability": "payable",
+                "type": "function"
+            },
+            {
+                "constant": false,
+                "inputs": [{ "name": "newOwner", "type": "address" }],
+                "name": "transferOwnership",
+                "outputs": [],
+                "payable": false,
+                "stateMutability": "nonpayable",
+                "type": "function"
+            },
+            {
+                "inputs": [
+                    { "name": "_exchange", "type": "address" },
+                    { "name": "_zrxAssetData", "type": "bytes" },
+                    { "name": "_wethAssetData", "type": "bytes" }
+                ],
+                "payable": false,
+                "stateMutability": "nonpayable",
+                "type": "constructor"
+            },
+            { "payable": true, "stateMutability": "payable", "type": "fallback" }
+        ],
+        "evm": {
+            "bytecode": {
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             }
         }
     },
-	"networks": {}
-}
\ No newline at end of file
+    "networks": {}
+}
diff --git a/python-packages/contract_artifacts/src/zero_ex/contract_artifacts/artifacts/IAssetProxy.json b/python-packages/contract_artifacts/src/zero_ex/contract_artifacts/artifacts/IAssetProxy.json
index b0fed45774..7d5914d0fa 100644
--- a/python-packages/contract_artifacts/src/zero_ex/contract_artifacts/artifacts/IAssetProxy.json
+++ b/python-packages/contract_artifacts/src/zero_ex/contract_artifacts/artifacts/IAssetProxy.json
@@ -1,129 +1,78 @@
 {
-	"schemaVersion": "2.0.0",
-	"contractName": "IAssetProxy",
-	"compilerOutput": {
-		"abi": [
-			{
-				"constant": false,
-				"inputs": [
-					{
-						"name": "target",
-						"type": "address"
-					}
-				],
-				"name": "addAuthorizedAddress",
-				"outputs": [],
-				"payable": false,
-				"stateMutability": "nonpayable",
-				"type": "function"
-			},
-			{
-				"constant": false,
-				"inputs": [
-					{
-						"name": "target",
-						"type": "address"
-					}
-				],
-				"name": "removeAuthorizedAddress",
-				"outputs": [],
-				"payable": false,
-				"stateMutability": "nonpayable",
-				"type": "function"
-			},
-			{
-				"constant": false,
-				"inputs": [
-					{
-						"name": "target",
-						"type": "address"
-					},
-					{
-						"name": "index",
-						"type": "uint256"
-					}
-				],
-				"name": "removeAuthorizedAddressAtIndex",
-				"outputs": [],
-				"payable": false,
-				"stateMutability": "nonpayable",
-				"type": "function"
-			},
-			{
-				"constant": false,
-				"inputs": [
-					{
-						"name": "assetData",
-						"type": "bytes"
-					},
-					{
-						"name": "from",
-						"type": "address"
-					},
-					{
-						"name": "to",
-						"type": "address"
-					},
-					{
-						"name": "amount",
-						"type": "uint256"
-					}
-				],
-				"name": "transferFrom",
-				"outputs": [],
-				"payable": false,
-				"stateMutability": "nonpayable",
-				"type": "function"
-			},
-			{
-				"constant": true,
-				"inputs": [],
-				"name": "getProxyId",
-				"outputs": [
-					{
-						"name": "",
-						"type": "bytes4"
-					}
-				],
-				"payable": false,
-				"stateMutability": "pure",
-				"type": "function"
-			},
-			{
-				"constant": true,
-				"inputs": [],
-				"name": "getAuthorizedAddresses",
-				"outputs": [
-					{
-						"name": "",
-						"type": "address[]"
-					}
-				],
-				"payable": false,
-				"stateMutability": "view",
-				"type": "function"
-			},
-			{
-				"constant": false,
-				"inputs": [
-					{
-						"name": "newOwner",
-						"type": "address"
-					}
-				],
-				"name": "transferOwnership",
-				"outputs": [],
-				"payable": false,
-				"stateMutability": "nonpayable",
-				"type": "function"
-			}
-		],
-		"evm": {
-			"bytecode": {
-				"linkReferences": {},
-				"object": "0x"
-			}
-		}
-	},
-	"networks": {}
+    "schemaVersion": "2.0.0",
+    "contractName": "IAssetProxy",
+    "compilerOutput": {
+        "abi": [
+            {
+                "constant": false,
+                "inputs": [{ "name": "target", "type": "address" }],
+                "name": "addAuthorizedAddress",
+                "outputs": [],
+                "payable": false,
+                "stateMutability": "nonpayable",
+                "type": "function"
+            },
+            {
+                "constant": false,
+                "inputs": [{ "name": "target", "type": "address" }],
+                "name": "removeAuthorizedAddress",
+                "outputs": [],
+                "payable": false,
+                "stateMutability": "nonpayable",
+                "type": "function"
+            },
+            {
+                "constant": false,
+                "inputs": [{ "name": "target", "type": "address" }, { "name": "index", "type": "uint256" }],
+                "name": "removeAuthorizedAddressAtIndex",
+                "outputs": [],
+                "payable": false,
+                "stateMutability": "nonpayable",
+                "type": "function"
+            },
+            {
+                "constant": false,
+                "inputs": [
+                    { "name": "assetData", "type": "bytes" },
+                    { "name": "from", "type": "address" },
+                    { "name": "to", "type": "address" },
+                    { "name": "amount", "type": "uint256" }
+                ],
+                "name": "transferFrom",
+                "outputs": [],
+                "payable": false,
+                "stateMutability": "nonpayable",
+                "type": "function"
+            },
+            {
+                "constant": true,
+                "inputs": [],
+                "name": "getProxyId",
+                "outputs": [{ "name": "", "type": "bytes4" }],
+                "payable": false,
+                "stateMutability": "pure",
+                "type": "function"
+            },
+            {
+                "constant": true,
+                "inputs": [],
+                "name": "getAuthorizedAddresses",
+                "outputs": [{ "name": "", "type": "address[]" }],
+                "payable": false,
+                "stateMutability": "view",
+                "type": "function"
+            },
+            {
+                "constant": false,
+                "inputs": [{ "name": "newOwner", "type": "address" }],
+                "name": "transferOwnership",
+                "outputs": [],
+                "payable": false,
+                "stateMutability": "nonpayable",
+                "type": "function"
+            }
+        ],
+        "evm": { "bytecode": { "object": "0x" } }
+    },
+    "networks": {}
 }
diff --git a/python-packages/contract_artifacts/src/zero_ex/contract_artifacts/artifacts/IValidator.json b/python-packages/contract_artifacts/src/zero_ex/contract_artifacts/artifacts/IValidator.json
index 8ca99f261a..c8cea881e1 100644
--- a/python-packages/contract_artifacts/src/zero_ex/contract_artifacts/artifacts/IValidator.json
+++ b/python-packages/contract_artifacts/src/zero_ex/contract_artifacts/artifacts/IValidator.json
@@ -6,36 +6,18 @@
             {
                 "constant": true,
                 "inputs": [
-                    {
-                        "name": "hash",
-                        "type": "bytes32"
-                    },
-                    {
-                        "name": "signerAddress",
-                        "type": "address"
-                    },
-                    {
-                        "name": "signature",
-                        "type": "bytes"
-                    }
+                    { "name": "hash", "type": "bytes32" },
+                    { "name": "signerAddress", "type": "address" },
+                    { "name": "signature", "type": "bytes" }
                 ],
                 "name": "isValidSignature",
-                "outputs": [
-                    {
-                        "name": "isValid",
-                        "type": "bool"
-                    }
-                ],
+                "outputs": [{ "name": "isValid", "type": "bool" }],
                 "payable": false,
                 "stateMutability": "view",
                 "type": "function"
             }
         ],
-        "evm": {
-            "bytecode": {
-                "object": "0x"
-            }
-        }
+        "evm": { "bytecode": { "object": "0x" } }
     },
     "networks": {}
 }
diff --git a/python-packages/contract_artifacts/src/zero_ex/contract_artifacts/artifacts/IWallet.json b/python-packages/contract_artifacts/src/zero_ex/contract_artifacts/artifacts/IWallet.json
index 2a8f975cc1..204ebb9a5f 100644
--- a/python-packages/contract_artifacts/src/zero_ex/contract_artifacts/artifacts/IWallet.json
+++ b/python-packages/contract_artifacts/src/zero_ex/contract_artifacts/artifacts/IWallet.json
@@ -5,33 +5,15 @@
         "abi": [
             {
                 "constant": true,
-                "inputs": [
-                    {
-                        "name": "hash",
-                        "type": "bytes32"
-                    },
-                    {
-                        "name": "signature",
-                        "type": "bytes"
-                    }
-                ],
+                "inputs": [{ "name": "hash", "type": "bytes32" }, { "name": "signature", "type": "bytes" }],
                 "name": "isValidSignature",
-                "outputs": [
-                    {
-                        "name": "isValid",
-                        "type": "bool"
-                    }
-                ],
+                "outputs": [{ "name": "isValid", "type": "bool" }],
                 "payable": false,
                 "stateMutability": "view",
                 "type": "function"
             }
         ],
-        "evm": {
-            "bytecode": {
-                "object": "0x"
-            }
-        }
+        "evm": { "bytecode": { "object": "0x" } }
     },
     "networks": {}
 }
diff --git a/python-packages/contract_artifacts/src/zero_ex/contract_artifacts/artifacts/MultiAssetProxy.json b/python-packages/contract_artifacts/src/zero_ex/contract_artifacts/artifacts/MultiAssetProxy.json
index f143cd8174..e0d6672e8d 100644
--- a/python-packages/contract_artifacts/src/zero_ex/contract_artifacts/artifacts/MultiAssetProxy.json
+++ b/python-packages/contract_artifacts/src/zero_ex/contract_artifacts/artifacts/MultiAssetProxy.json
@@ -5,31 +5,16 @@
         "abi": [
             {
                 "constant": true,
-                "inputs": [
-                    {
-                        "name": "",
-                        "type": "bytes4"
-                    }
-                ],
+                "inputs": [{ "name": "", "type": "bytes4" }],
                 "name": "assetProxies",
-                "outputs": [
-                    {
-                        "name": "",
-                        "type": "address"
-                    }
-                ],
+                "outputs": [{ "name": "", "type": "address" }],
                 "payable": false,
                 "stateMutability": "view",
                 "type": "function"
             },
             {
                 "constant": false,
-                "inputs": [
-                    {
-                        "name": "target",
-                        "type": "address"
-                    }
-                ],
+                "inputs": [{ "name": "target", "type": "address" }],
                 "name": "addAuthorizedAddress",
                 "outputs": [],
                 "payable": false,
@@ -38,50 +23,25 @@
             },
             {
                 "constant": true,
-                "inputs": [
-                    {
-                        "name": "",
-                        "type": "uint256"
-                    }
-                ],
+                "inputs": [{ "name": "", "type": "uint256" }],
                 "name": "authorities",
-                "outputs": [
-                    {
-                        "name": "",
-                        "type": "address"
-                    }
-                ],
+                "outputs": [{ "name": "", "type": "address" }],
                 "payable": false,
                 "stateMutability": "view",
                 "type": "function"
             },
             {
                 "constant": true,
-                "inputs": [
-                    {
-                        "name": "assetProxyId",
-                        "type": "bytes4"
-                    }
-                ],
+                "inputs": [{ "name": "assetProxyId", "type": "bytes4" }],
                 "name": "getAssetProxy",
-                "outputs": [
-                    {
-                        "name": "",
-                        "type": "address"
-                    }
-                ],
+                "outputs": [{ "name": "", "type": "address" }],
                 "payable": false,
                 "stateMutability": "view",
                 "type": "function"
             },
             {
                 "constant": false,
-                "inputs": [
-                    {
-                        "name": "target",
-                        "type": "address"
-                    }
-                ],
+                "inputs": [{ "name": "target", "type": "address" }],
                 "name": "removeAuthorizedAddress",
                 "outputs": [],
                 "payable": false,
@@ -92,28 +52,14 @@
                 "constant": true,
                 "inputs": [],
                 "name": "owner",
-                "outputs": [
-                    {
-                        "name": "",
-                        "type": "address"
-                    }
-                ],
+                "outputs": [{ "name": "", "type": "address" }],
                 "payable": false,
                 "stateMutability": "view",
                 "type": "function"
             },
             {
                 "constant": false,
-                "inputs": [
-                    {
-                        "name": "target",
-                        "type": "address"
-                    },
-                    {
-                        "name": "index",
-                        "type": "uint256"
-                    }
-                ],
+                "inputs": [{ "name": "target", "type": "address" }, { "name": "index", "type": "uint256" }],
                 "name": "removeAuthorizedAddressAtIndex",
                 "outputs": [],
                 "payable": false,
@@ -124,43 +70,23 @@
                 "constant": true,
                 "inputs": [],
                 "name": "getProxyId",
-                "outputs": [
-                    {
-                        "name": "",
-                        "type": "bytes4"
-                    }
-                ],
+                "outputs": [{ "name": "", "type": "bytes4" }],
                 "payable": false,
                 "stateMutability": "pure",
                 "type": "function"
             },
             {
                 "constant": true,
-                "inputs": [
-                    {
-                        "name": "",
-                        "type": "address"
-                    }
-                ],
+                "inputs": [{ "name": "", "type": "address" }],
                 "name": "authorized",
-                "outputs": [
-                    {
-                        "name": "",
-                        "type": "bool"
-                    }
-                ],
+                "outputs": [{ "name": "", "type": "bool" }],
                 "payable": false,
                 "stateMutability": "view",
                 "type": "function"
             },
             {
                 "constant": false,
-                "inputs": [
-                    {
-                        "name": "assetProxy",
-                        "type": "address"
-                    }
-                ],
+                "inputs": [{ "name": "assetProxy", "type": "address" }],
                 "name": "registerAssetProxy",
                 "outputs": [],
                 "payable": false,
@@ -171,48 +97,26 @@
                 "constant": true,
                 "inputs": [],
                 "name": "getAuthorizedAddresses",
-                "outputs": [
-                    {
-                        "name": "",
-                        "type": "address[]"
-                    }
-                ],
+                "outputs": [{ "name": "", "type": "address[]" }],
                 "payable": false,
                 "stateMutability": "view",
                 "type": "function"
             },
             {
                 "constant": false,
-                "inputs": [
-                    {
-                        "name": "newOwner",
-                        "type": "address"
-                    }
-                ],
+                "inputs": [{ "name": "newOwner", "type": "address" }],
                 "name": "transferOwnership",
                 "outputs": [],
                 "payable": false,
                 "stateMutability": "nonpayable",
                 "type": "function"
             },
-            {
-                "payable": false,
-                "stateMutability": "nonpayable",
-                "type": "fallback"
-            },
+            { "payable": false, "stateMutability": "nonpayable", "type": "fallback" },
             {
                 "anonymous": false,
                 "inputs": [
-                    {
-                        "indexed": true,
-                        "name": "target",
-                        "type": "address"
-                    },
-                    {
-                        "indexed": true,
-                        "name": "caller",
-                        "type": "address"
-                    }
+                    { "indexed": true, "name": "target", "type": "address" },
+                    { "indexed": true, "name": "caller", "type": "address" }
                 ],
                 "name": "AuthorizedAddressAdded",
                 "type": "event"
@@ -220,16 +124,8 @@
             {
                 "anonymous": false,
                 "inputs": [
-                    {
-                        "indexed": true,
-                        "name": "target",
-                        "type": "address"
-                    },
-                    {
-                        "indexed": true,
-                        "name": "caller",
-                        "type": "address"
-                    }
+                    { "indexed": true, "name": "target", "type": "address" },
+                    { "indexed": true, "name": "caller", "type": "address" }
                 ],
                 "name": "AuthorizedAddressRemoved",
                 "type": "event"
@@ -237,16 +133,8 @@
             {
                 "anonymous": false,
                 "inputs": [
-                    {
-                        "indexed": false,
-                        "name": "id",
-                        "type": "bytes4"
-                    },
-                    {
-                        "indexed": false,
-                        "name": "assetProxy",
-                        "type": "address"
-                    }
+                    { "indexed": false, "name": "id", "type": "bytes4" },
+                    { "indexed": false, "name": "assetProxy", "type": "address" }
                 ],
                 "name": "AssetProxyRegistered",
                 "type": "event"
@@ -254,7 +142,6 @@
         ],
         "evm": {
             "bytecode": {
-                "linkReferences": {},
                 "object": "0x608060405260008054600160a060020a03191633179055611527806100256000396000f3006080604052600436106100b95763ffffffff7c01000000000000000000000000000000000000000000000000000000006000350416633fd3c997811461048457806342f1181e146104e7578063494503d414610517578063607041081461052f57806370712939146105695780638da5cb5b146105975780639ad26744146105ac578063ae25532e146105dd578063b918161114610627578063c585bb9314610669578063d39de6e914610697578063f2fde38b146106fc575b3480156100c557600080fd5b507fffffffff00000000000000000000000000000000000000000000000000000000600035167fa85e59e40000000000000000000000000000000000000000000000000000000081141561047f573360005260026020526040600020541515610199577f08c379a0000000000000000000000000000000000000000000000000000000006000527c20000000000000000000000000000000000000000000000000000000006020527c1553454e4445525f4e4f545f415554484f52495a454400000000000000604052600060605260646000fd5b600435602881013560488201356048820183016020810335604883018501602081033580830315610235577f08c379a0000000000000000000000000000000000000000000000000000000006000527c20000000000000000000000000000000000000000000000000000000006020527c0f4c454e4754485f4d49534d4154434800000000000000000000000000604052600060605260646000fd5b60646000803760806004526064356020840260008060005b8381101561047c5780890135858102818782041487151715156102db577f08c379a0000000000000000000000000000000000000000000000000000000006000527c20000000000000000000000000000000000000000000000000000000006020527c1055494e543235365f4f564552464c4f57000000000000000000000000604052600060605260646000fd5b8060645282890135606881018d018f01602081038035600481101561038a577f08c379a0000000000000000000000000000000000000000000000000000000006000527c20000000000000000000000000000000000000000000000000000000006020527c1e4c454e4754485f475245415445525f5448414e5f335f5245515549526040527f454400000000000000000000000000000000000000000000000000000000000060605260646000fd5b7fffffffff00000000000000000000000000000000000000000000000000000000833516898103156103cb5780995089608452600160a45260406084205498505b881515610443577f08c379a0000000000000000000000000000000000000000000000000000000006000527c20000000000000000000000000000000000000000000000000000000006020527c1a41535345545f50524f58595f444f45535f4e4f545f45584953540000604052600060605260646000fd5b60208201836084376000808360a4016000808d5af1801515610469573d6000803e3d6000fd5b505050505050505060208101905061024d565b50005b600080fd5b34801561049057600080fd5b506104be7fffffffff000000000000000000000000000000000000000000000000000000006004351661072a565b6040805173ffffffffffffffffffffffffffffffffffffffff9092168252519081900360200190f35b3480156104f357600080fd5b5061051573ffffffffffffffffffffffffffffffffffffffff60043516610752565b005b34801561052357600080fd5b506104be60043561093e565b34801561053b57600080fd5b506104be7fffffffff0000000000000000000000000000000000000000000000000000000060043516610973565b34801561057557600080fd5b5061051573ffffffffffffffffffffffffffffffffffffffff600435166109bd565b3480156105a357600080fd5b506104be610cb6565b3480156105b857600080fd5b5061051573ffffffffffffffffffffffffffffffffffffffff60043516602435610cd2565b3480156105e957600080fd5b506105f2611087565b604080517fffffffff000000000000000000000000000000000000000000000000000000009092168252519081900360200190f35b34801561063357600080fd5b5061065573ffffffffffffffffffffffffffffffffffffffff600435166110bd565b604080519115158252519081900360200190f35b34801561067557600080fd5b5061051573ffffffffffffffffffffffffffffffffffffffff600435166110d2565b3480156106a357600080fd5b506106ac61135f565b60408051602080825283518183015283519192839290830191858101910280838360005b838110156106e85781810151838201526020016106d0565b505050509050019250505060405180910390f35b34801561070857600080fd5b5061051573ffffffffffffffffffffffffffffffffffffffff600435166113ce565b60016020526000908152604090205473ffffffffffffffffffffffffffffffffffffffff1681565b60005473ffffffffffffffffffffffffffffffffffffffff1633146107d857604080517f08c379a000000000000000000000000000000000000000000000000000000000815260206004820152601360248201527f4f4e4c595f434f4e54524143545f4f574e455200000000000000000000000000604482015290519081900360640190fd5b73ffffffffffffffffffffffffffffffffffffffff811660009081526002602052604090205460ff161561086d57604080517f08c379a000000000000000000000000000000000000000000000000000000000815260206004820152601960248201527f5441524745545f414c52454144595f415554484f52495a454400000000000000604482015290519081900360640190fd5b73ffffffffffffffffffffffffffffffffffffffff811660008181526002602052604080822080547fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff0016600190811790915560038054918201815583527fc2575a0e9e593c00f959f8c92f12db2869c3395a3b0502d05e2516446f71f85b0180547fffffffffffffffffffffffff00000000000000000000000000000000000000001684179055513392917f3147867c59d17e8fa9d522465651d44aae0a9e38f902f3475b97e58072f0ed4c91a350565b600380548290811061094c57fe5b60009182526020909120015473ffffffffffffffffffffffffffffffffffffffff16905081565b7fffffffff0000000000000000000000000000000000000000000000000000000016600090815260016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"
             }
         }
diff --git a/python-packages/contract_artifacts/src/zero_ex/contract_artifacts/artifacts/OrderValidator.json b/python-packages/contract_artifacts/src/zero_ex/contract_artifacts/artifacts/OrderValidator.json
index 90a92e7cb8..52d4f7c500 100644
--- a/python-packages/contract_artifacts/src/zero_ex/contract_artifacts/artifacts/OrderValidator.json
+++ b/python-packages/contract_artifacts/src/zero_ex/contract_artifacts/artifacts/OrderValidator.json
@@ -8,117 +8,45 @@
                 "inputs": [
                     {
                         "components": [
-                            {
-                                "name": "makerAddress",
-                                "type": "address"
-                            },
-                            {
-                                "name": "takerAddress",
-                                "type": "address"
-                            },
-                            {
-                                "name": "feeRecipientAddress",
-                                "type": "address"
-                            },
-                            {
-                                "name": "senderAddress",
-                                "type": "address"
-                            },
-                            {
-                                "name": "makerAssetAmount",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "takerAssetAmount",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "makerFee",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "takerFee",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "expirationTimeSeconds",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "salt",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "makerAssetData",
-                                "type": "bytes"
-                            },
-                            {
-                                "name": "takerAssetData",
-                                "type": "bytes"
-                            }
+                            { "name": "makerAddress", "type": "address" },
+                            { "name": "takerAddress", "type": "address" },
+                            { "name": "feeRecipientAddress", "type": "address" },
+                            { "name": "senderAddress", "type": "address" },
+                            { "name": "makerAssetAmount", "type": "uint256" },
+                            { "name": "takerAssetAmount", "type": "uint256" },
+                            { "name": "makerFee", "type": "uint256" },
+                            { "name": "takerFee", "type": "uint256" },
+                            { "name": "expirationTimeSeconds", "type": "uint256" },
+                            { "name": "salt", "type": "uint256" },
+                            { "name": "makerAssetData", "type": "bytes" },
+                            { "name": "takerAssetData", "type": "bytes" }
                         ],
                         "name": "order",
                         "type": "tuple"
                     },
-                    {
-                        "name": "takerAddress",
-                        "type": "address"
-                    }
+                    { "name": "takerAddress", "type": "address" }
                 ],
                 "name": "getOrderAndTraderInfo",
                 "outputs": [
                     {
                         "components": [
-                            {
-                                "name": "orderStatus",
-                                "type": "uint8"
-                            },
-                            {
-                                "name": "orderHash",
-                                "type": "bytes32"
-                            },
-                            {
-                                "name": "orderTakerAssetFilledAmount",
-                                "type": "uint256"
-                            }
+                            { "name": "orderStatus", "type": "uint8" },
+                            { "name": "orderHash", "type": "bytes32" },
+                            { "name": "orderTakerAssetFilledAmount", "type": "uint256" }
                         ],
                         "name": "orderInfo",
                         "type": "tuple"
                     },
                     {
                         "components": [
-                            {
-                                "name": "makerBalance",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "makerAllowance",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "takerBalance",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "takerAllowance",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "makerZrxBalance",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "makerZrxAllowance",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "takerZrxBalance",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "takerZrxAllowance",
-                                "type": "uint256"
-                            }
+                            { "name": "makerBalance", "type": "uint256" },
+                            { "name": "makerAllowance", "type": "uint256" },
+                            { "name": "takerBalance", "type": "uint256" },
+                            { "name": "takerAllowance", "type": "uint256" },
+                            { "name": "makerZrxBalance", "type": "uint256" },
+                            { "name": "makerZrxAllowance", "type": "uint256" },
+                            { "name": "takerZrxBalance", "type": "uint256" },
+                            { "name": "takerZrxAllowance", "type": "uint256" }
                         ],
                         "name": "traderInfo",
                         "type": "tuple"
@@ -130,27 +58,9 @@
             },
             {
                 "constant": true,
-                "inputs": [
-                    {
-                        "name": "target",
-                        "type": "address"
-                    },
-                    {
-                        "name": "assetData",
-                        "type": "bytes"
-                    }
-                ],
+                "inputs": [{ "name": "target", "type": "address" }, { "name": "assetData", "type": "bytes" }],
                 "name": "getBalanceAndAllowance",
-                "outputs": [
-                    {
-                        "name": "balance",
-                        "type": "uint256"
-                    },
-                    {
-                        "name": "allowance",
-                        "type": "uint256"
-                    }
-                ],
+                "outputs": [{ "name": "balance", "type": "uint256" }, { "name": "allowance", "type": "uint256" }],
                 "payable": false,
                 "stateMutability": "view",
                 "type": "function"
@@ -160,117 +70,45 @@
                 "inputs": [
                     {
                         "components": [
-                            {
-                                "name": "makerAddress",
-                                "type": "address"
-                            },
-                            {
-                                "name": "takerAddress",
-                                "type": "address"
-                            },
-                            {
-                                "name": "feeRecipientAddress",
-                                "type": "address"
-                            },
-                            {
-                                "name": "senderAddress",
-                                "type": "address"
-                            },
-                            {
-                                "name": "makerAssetAmount",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "takerAssetAmount",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "makerFee",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "takerFee",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "expirationTimeSeconds",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "salt",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "makerAssetData",
-                                "type": "bytes"
-                            },
-                            {
-                                "name": "takerAssetData",
-                                "type": "bytes"
-                            }
+                            { "name": "makerAddress", "type": "address" },
+                            { "name": "takerAddress", "type": "address" },
+                            { "name": "feeRecipientAddress", "type": "address" },
+                            { "name": "senderAddress", "type": "address" },
+                            { "name": "makerAssetAmount", "type": "uint256" },
+                            { "name": "takerAssetAmount", "type": "uint256" },
+                            { "name": "makerFee", "type": "uint256" },
+                            { "name": "takerFee", "type": "uint256" },
+                            { "name": "expirationTimeSeconds", "type": "uint256" },
+                            { "name": "salt", "type": "uint256" },
+                            { "name": "makerAssetData", "type": "bytes" },
+                            { "name": "takerAssetData", "type": "bytes" }
                         ],
                         "name": "orders",
                         "type": "tuple[]"
                     },
-                    {
-                        "name": "takerAddresses",
-                        "type": "address[]"
-                    }
+                    { "name": "takerAddresses", "type": "address[]" }
                 ],
                 "name": "getOrdersAndTradersInfo",
                 "outputs": [
                     {
                         "components": [
-                            {
-                                "name": "orderStatus",
-                                "type": "uint8"
-                            },
-                            {
-                                "name": "orderHash",
-                                "type": "bytes32"
-                            },
-                            {
-                                "name": "orderTakerAssetFilledAmount",
-                                "type": "uint256"
-                            }
+                            { "name": "orderStatus", "type": "uint8" },
+                            { "name": "orderHash", "type": "bytes32" },
+                            { "name": "orderTakerAssetFilledAmount", "type": "uint256" }
                         ],
                         "name": "ordersInfo",
                         "type": "tuple[]"
                     },
                     {
                         "components": [
-                            {
-                                "name": "makerBalance",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "makerAllowance",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "takerBalance",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "takerAllowance",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "makerZrxBalance",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "makerZrxAllowance",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "takerZrxBalance",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "takerZrxAllowance",
-                                "type": "uint256"
-                            }
+                            { "name": "makerBalance", "type": "uint256" },
+                            { "name": "makerAllowance", "type": "uint256" },
+                            { "name": "takerBalance", "type": "uint256" },
+                            { "name": "takerAllowance", "type": "uint256" },
+                            { "name": "makerZrxBalance", "type": "uint256" },
+                            { "name": "makerZrxAllowance", "type": "uint256" },
+                            { "name": "takerZrxBalance", "type": "uint256" },
+                            { "name": "takerZrxAllowance", "type": "uint256" }
                         ],
                         "name": "tradersInfo",
                         "type": "tuple[]"
@@ -285,99 +123,36 @@
                 "inputs": [
                     {
                         "components": [
-                            {
-                                "name": "makerAddress",
-                                "type": "address"
-                            },
-                            {
-                                "name": "takerAddress",
-                                "type": "address"
-                            },
-                            {
-                                "name": "feeRecipientAddress",
-                                "type": "address"
-                            },
-                            {
-                                "name": "senderAddress",
-                                "type": "address"
-                            },
-                            {
-                                "name": "makerAssetAmount",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "takerAssetAmount",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "makerFee",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "takerFee",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "expirationTimeSeconds",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "salt",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "makerAssetData",
-                                "type": "bytes"
-                            },
-                            {
-                                "name": "takerAssetData",
-                                "type": "bytes"
-                            }
+                            { "name": "makerAddress", "type": "address" },
+                            { "name": "takerAddress", "type": "address" },
+                            { "name": "feeRecipientAddress", "type": "address" },
+                            { "name": "senderAddress", "type": "address" },
+                            { "name": "makerAssetAmount", "type": "uint256" },
+                            { "name": "takerAssetAmount", "type": "uint256" },
+                            { "name": "makerFee", "type": "uint256" },
+                            { "name": "takerFee", "type": "uint256" },
+                            { "name": "expirationTimeSeconds", "type": "uint256" },
+                            { "name": "salt", "type": "uint256" },
+                            { "name": "makerAssetData", "type": "bytes" },
+                            { "name": "takerAssetData", "type": "bytes" }
                         ],
                         "name": "orders",
                         "type": "tuple[]"
                     },
-                    {
-                        "name": "takerAddresses",
-                        "type": "address[]"
-                    }
+                    { "name": "takerAddresses", "type": "address[]" }
                 ],
                 "name": "getTradersInfo",
                 "outputs": [
                     {
                         "components": [
-                            {
-                                "name": "makerBalance",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "makerAllowance",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "takerBalance",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "takerAllowance",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "makerZrxBalance",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "makerZrxAllowance",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "takerZrxBalance",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "takerZrxAllowance",
-                                "type": "uint256"
-                            }
+                            { "name": "makerBalance", "type": "uint256" },
+                            { "name": "makerAllowance", "type": "uint256" },
+                            { "name": "takerBalance", "type": "uint256" },
+                            { "name": "takerAllowance", "type": "uint256" },
+                            { "name": "makerZrxBalance", "type": "uint256" },
+                            { "name": "makerZrxAllowance", "type": "uint256" },
+                            { "name": "takerZrxBalance", "type": "uint256" },
+                            { "name": "takerZrxAllowance", "type": "uint256" }
                         ],
                         "name": "",
                         "type": "tuple[]"
@@ -389,50 +164,18 @@
             },
             {
                 "constant": true,
-                "inputs": [
-                    {
-                        "name": "token",
-                        "type": "address"
-                    },
-                    {
-                        "name": "tokenId",
-                        "type": "uint256"
-                    }
-                ],
+                "inputs": [{ "name": "token", "type": "address" }, { "name": "tokenId", "type": "uint256" }],
                 "name": "getERC721TokenOwner",
-                "outputs": [
-                    {
-                        "name": "owner",
-                        "type": "address"
-                    }
-                ],
+                "outputs": [{ "name": "owner", "type": "address" }],
                 "payable": false,
                 "stateMutability": "view",
                 "type": "function"
             },
             {
                 "constant": true,
-                "inputs": [
-                    {
-                        "name": "target",
-                        "type": "address"
-                    },
-                    {
-                        "name": "assetData",
-                        "type": "bytes[]"
-                    }
-                ],
+                "inputs": [{ "name": "target", "type": "address" }, { "name": "assetData", "type": "bytes[]" }],
                 "name": "getBalancesAndAllowances",
-                "outputs": [
-                    {
-                        "name": "",
-                        "type": "uint256[]"
-                    },
-                    {
-                        "name": "",
-                        "type": "uint256[]"
-                    }
-                ],
+                "outputs": [{ "name": "", "type": "uint256[]" }, { "name": "", "type": "uint256[]" }],
                 "payable": false,
                 "stateMutability": "view",
                 "type": "function"
@@ -442,99 +185,36 @@
                 "inputs": [
                     {
                         "components": [
-                            {
-                                "name": "makerAddress",
-                                "type": "address"
-                            },
-                            {
-                                "name": "takerAddress",
-                                "type": "address"
-                            },
-                            {
-                                "name": "feeRecipientAddress",
-                                "type": "address"
-                            },
-                            {
-                                "name": "senderAddress",
-                                "type": "address"
-                            },
-                            {
-                                "name": "makerAssetAmount",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "takerAssetAmount",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "makerFee",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "takerFee",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "expirationTimeSeconds",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "salt",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "makerAssetData",
-                                "type": "bytes"
-                            },
-                            {
-                                "name": "takerAssetData",
-                                "type": "bytes"
-                            }
+                            { "name": "makerAddress", "type": "address" },
+                            { "name": "takerAddress", "type": "address" },
+                            { "name": "feeRecipientAddress", "type": "address" },
+                            { "name": "senderAddress", "type": "address" },
+                            { "name": "makerAssetAmount", "type": "uint256" },
+                            { "name": "takerAssetAmount", "type": "uint256" },
+                            { "name": "makerFee", "type": "uint256" },
+                            { "name": "takerFee", "type": "uint256" },
+                            { "name": "expirationTimeSeconds", "type": "uint256" },
+                            { "name": "salt", "type": "uint256" },
+                            { "name": "makerAssetData", "type": "bytes" },
+                            { "name": "takerAssetData", "type": "bytes" }
                         ],
                         "name": "order",
                         "type": "tuple"
                     },
-                    {
-                        "name": "takerAddress",
-                        "type": "address"
-                    }
+                    { "name": "takerAddress", "type": "address" }
                 ],
                 "name": "getTraderInfo",
                 "outputs": [
                     {
                         "components": [
-                            {
-                                "name": "makerBalance",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "makerAllowance",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "takerBalance",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "takerAllowance",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "makerZrxBalance",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "makerZrxAllowance",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "takerZrxBalance",
-                                "type": "uint256"
-                            },
-                            {
-                                "name": "takerZrxAllowance",
-                                "type": "uint256"
-                            }
+                            { "name": "makerBalance", "type": "uint256" },
+                            { "name": "makerAllowance", "type": "uint256" },
+                            { "name": "takerBalance", "type": "uint256" },
+                            { "name": "takerAllowance", "type": "uint256" },
+                            { "name": "makerZrxBalance", "type": "uint256" },
+                            { "name": "makerZrxAllowance", "type": "uint256" },
+                            { "name": "takerZrxBalance", "type": "uint256" },
+                            { "name": "takerZrxAllowance", "type": "uint256" }
                         ],
                         "name": "traderInfo",
                         "type": "tuple"
@@ -545,16 +225,7 @@
                 "type": "function"
             },
             {
-                "inputs": [
-                    {
-                        "name": "_exchange",
-                        "type": "address"
-                    },
-                    {
-                        "name": "_zrxAssetData",
-                        "type": "bytes"
-                    }
-                ],
+                "inputs": [{ "name": "_exchange", "type": "address" }, { "name": "_zrxAssetData", "type": "bytes" }],
                 "payable": false,
                 "stateMutability": "nonpayable",
                 "type": "constructor"
@@ -562,9 +233,7 @@
         ],
         "evm": {
             "bytecode": {
-                "linkReferences": {},
-                "object":
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             }
         }
     },
diff --git a/python-packages/contract_artifacts/src/zero_ex/contract_artifacts/artifacts/WETH9.json b/python-packages/contract_artifacts/src/zero_ex/contract_artifacts/artifacts/WETH9.json
index e6ce25f7d2..e13bb18f01 100644
--- a/python-packages/contract_artifacts/src/zero_ex/contract_artifacts/artifacts/WETH9.json
+++ b/python-packages/contract_artifacts/src/zero_ex/contract_artifacts/artifacts/WETH9.json
@@ -7,35 +7,16 @@
                 "constant": true,
                 "inputs": [],
                 "name": "name",
-                "outputs": [
-                    {
-                        "name": "",
-                        "type": "string"
-                    }
-                ],
+                "outputs": [{ "name": "", "type": "string" }],
                 "payable": false,
                 "stateMutability": "view",
                 "type": "function"
             },
             {
                 "constant": false,
-                "inputs": [
-                    {
-                        "name": "guy",
-                        "type": "address"
-                    },
-                    {
-                        "name": "wad",
-                        "type": "uint256"
-                    }
-                ],
+                "inputs": [{ "name": "guy", "type": "address" }, { "name": "wad", "type": "uint256" }],
                 "name": "approve",
-                "outputs": [
-                    {
-                        "name": "",
-                        "type": "bool"
-                    }
-                ],
+                "outputs": [{ "name": "", "type": "bool" }],
                 "payable": false,
                 "stateMutability": "nonpayable",
                 "type": "function"
@@ -44,12 +25,7 @@
                 "constant": true,
                 "inputs": [],
                 "name": "totalSupply",
-                "outputs": [
-                    {
-                        "name": "",
-                        "type": "uint256"
-                    }
-                ],
+                "outputs": [{ "name": "", "type": "uint256" }],
                 "payable": false,
                 "stateMutability": "view",
                 "type": "function"
@@ -57,38 +33,19 @@
             {
                 "constant": false,
                 "inputs": [
-                    {
-                        "name": "src",
-                        "type": "address"
-                    },
-                    {
-                        "name": "dst",
-                        "type": "address"
-                    },
-                    {
-                        "name": "wad",
-                        "type": "uint256"
-                    }
+                    { "name": "src", "type": "address" },
+                    { "name": "dst", "type": "address" },
+                    { "name": "wad", "type": "uint256" }
                 ],
                 "name": "transferFrom",
-                "outputs": [
-                    {
-                        "name": "",
-                        "type": "bool"
-                    }
-                ],
+                "outputs": [{ "name": "", "type": "bool" }],
                 "payable": false,
                 "stateMutability": "nonpayable",
                 "type": "function"
             },
             {
                 "constant": false,
-                "inputs": [
-                    {
-                        "name": "wad",
-                        "type": "uint256"
-                    }
-                ],
+                "inputs": [{ "name": "wad", "type": "uint256" }],
                 "name": "withdraw",
                 "outputs": [],
                 "payable": false,
@@ -99,31 +56,16 @@
                 "constant": true,
                 "inputs": [],
                 "name": "decimals",
-                "outputs": [
-                    {
-                        "name": "",
-                        "type": "uint8"
-                    }
-                ],
+                "outputs": [{ "name": "", "type": "uint8" }],
                 "payable": false,
                 "stateMutability": "view",
                 "type": "function"
             },
             {
                 "constant": true,
-                "inputs": [
-                    {
-                        "name": "",
-                        "type": "address"
-                    }
-                ],
+                "inputs": [{ "name": "", "type": "address" }],
                 "name": "balanceOf",
-                "outputs": [
-                    {
-                        "name": "",
-                        "type": "uint256"
-                    }
-                ],
+                "outputs": [{ "name": "", "type": "uint256" }],
                 "payable": false,
                 "stateMutability": "view",
                 "type": "function"
@@ -132,35 +74,16 @@
                 "constant": true,
                 "inputs": [],
                 "name": "symbol",
-                "outputs": [
-                    {
-                        "name": "",
-                        "type": "string"
-                    }
-                ],
+                "outputs": [{ "name": "", "type": "string" }],
                 "payable": false,
                 "stateMutability": "view",
                 "type": "function"
             },
             {
                 "constant": false,
-                "inputs": [
-                    {
-                        "name": "dst",
-                        "type": "address"
-                    },
-                    {
-                        "name": "wad",
-                        "type": "uint256"
-                    }
-                ],
+                "inputs": [{ "name": "dst", "type": "address" }, { "name": "wad", "type": "uint256" }],
                 "name": "transfer",
-                "outputs": [
-                    {
-                        "name": "",
-                        "type": "bool"
-                    }
-                ],
+                "outputs": [{ "name": "", "type": "bool" }],
                 "payable": false,
                 "stateMutability": "nonpayable",
                 "type": "function"
@@ -176,50 +99,20 @@
             },
             {
                 "constant": true,
-                "inputs": [
-                    {
-                        "name": "",
-                        "type": "address"
-                    },
-                    {
-                        "name": "",
-                        "type": "address"
-                    }
-                ],
+                "inputs": [{ "name": "", "type": "address" }, { "name": "", "type": "address" }],
                 "name": "allowance",
-                "outputs": [
-                    {
-                        "name": "",
-                        "type": "uint256"
-                    }
-                ],
+                "outputs": [{ "name": "", "type": "uint256" }],
                 "payable": false,
                 "stateMutability": "view",
                 "type": "function"
             },
-            {
-                "payable": true,
-                "stateMutability": "payable",
-                "type": "fallback"
-            },
+            { "payable": true, "stateMutability": "payable", "type": "fallback" },
             {
                 "anonymous": false,
                 "inputs": [
-                    {
-                        "indexed": true,
-                        "name": "_owner",
-                        "type": "address"
-                    },
-                    {
-                        "indexed": true,
-                        "name": "_spender",
-                        "type": "address"
-                    },
-                    {
-                        "indexed": false,
-                        "name": "_value",
-                        "type": "uint256"
-                    }
+                    { "indexed": true, "name": "_owner", "type": "address" },
+                    { "indexed": true, "name": "_spender", "type": "address" },
+                    { "indexed": false, "name": "_value", "type": "uint256" }
                 ],
                 "name": "Approval",
                 "type": "event"
@@ -227,21 +120,9 @@
             {
                 "anonymous": false,
                 "inputs": [
-                    {
-                        "indexed": true,
-                        "name": "_from",
-                        "type": "address"
-                    },
-                    {
-                        "indexed": true,
-                        "name": "_to",
-                        "type": "address"
-                    },
-                    {
-                        "indexed": false,
-                        "name": "_value",
-                        "type": "uint256"
-                    }
+                    { "indexed": true, "name": "_from", "type": "address" },
+                    { "indexed": true, "name": "_to", "type": "address" },
+                    { "indexed": false, "name": "_value", "type": "uint256" }
                 ],
                 "name": "Transfer",
                 "type": "event"
@@ -249,16 +130,8 @@
             {
                 "anonymous": false,
                 "inputs": [
-                    {
-                        "indexed": true,
-                        "name": "_owner",
-                        "type": "address"
-                    },
-                    {
-                        "indexed": false,
-                        "name": "_value",
-                        "type": "uint256"
-                    }
+                    { "indexed": true, "name": "_owner", "type": "address" },
+                    { "indexed": false, "name": "_value", "type": "uint256" }
                 ],
                 "name": "Deposit",
                 "type": "event"
@@ -266,16 +139,8 @@
             {
                 "anonymous": false,
                 "inputs": [
-                    {
-                        "indexed": true,
-                        "name": "_owner",
-                        "type": "address"
-                    },
-                    {
-                        "indexed": false,
-                        "name": "_value",
-                        "type": "uint256"
-                    }
+                    { "indexed": true, "name": "_owner", "type": "address" },
+                    { "indexed": false, "name": "_value", "type": "uint256" }
                 ],
                 "name": "Withdrawal",
                 "type": "event"
@@ -283,9 +148,7 @@
         ],
         "evm": {
             "bytecode": {
-                "linkReferences": {},
-                "object":
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+                "object": "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"
             }
         }
     },
diff --git a/python-packages/contract_artifacts/src/zero_ex/contract_artifacts/artifacts/ZRXToken.json b/python-packages/contract_artifacts/src/zero_ex/contract_artifacts/artifacts/ZRXToken.json
index 29bb558244..6305d10f8b 100644
--- a/python-packages/contract_artifacts/src/zero_ex/contract_artifacts/artifacts/ZRXToken.json
+++ b/python-packages/contract_artifacts/src/zero_ex/contract_artifacts/artifacts/ZRXToken.json
@@ -7,34 +7,15 @@
                 "constant": true,
                 "inputs": [],
                 "name": "name",
-                "outputs": [
-                    {
-                        "name": "",
-                        "type": "string"
-                    }
-                ],
+                "outputs": [{ "name": "", "type": "string" }],
                 "payable": false,
                 "type": "function"
             },
             {
                 "constant": false,
-                "inputs": [
-                    {
-                        "name": "_spender",
-                        "type": "address"
-                    },
-                    {
-                        "name": "_value",
-                        "type": "uint256"
-                    }
-                ],
+                "inputs": [{ "name": "_spender", "type": "address" }, { "name": "_value", "type": "uint256" }],
                 "name": "approve",
-                "outputs": [
-                    {
-                        "name": "",
-                        "type": "bool"
-                    }
-                ],
+                "outputs": [{ "name": "", "type": "bool" }],
                 "payable": false,
                 "type": "function"
             },
@@ -42,38 +23,19 @@
                 "constant": true,
                 "inputs": [],
                 "name": "totalSupply",
-                "outputs": [
-                    {
-                        "name": "",
-                        "type": "uint256"
-                    }
-                ],
+                "outputs": [{ "name": "", "type": "uint256" }],
                 "payable": false,
                 "type": "function"
             },
             {
                 "constant": false,
                 "inputs": [
-                    {
-                        "name": "_from",
-                        "type": "address"
-                    },
-                    {
-                        "name": "_to",
-                        "type": "address"
-                    },
-                    {
-                        "name": "_value",
-                        "type": "uint256"
-                    }
+                    { "name": "_from", "type": "address" },
+                    { "name": "_to", "type": "address" },
+                    { "name": "_value", "type": "uint256" }
                 ],
                 "name": "transferFrom",
-                "outputs": [
-                    {
-                        "name": "",
-                        "type": "bool"
-                    }
-                ],
+                "outputs": [{ "name": "", "type": "bool" }],
                 "payable": false,
                 "type": "function"
             },
@@ -81,30 +43,15 @@
                 "constant": true,
                 "inputs": [],
                 "name": "decimals",
-                "outputs": [
-                    {
-                        "name": "",
-                        "type": "uint8"
-                    }
-                ],
+                "outputs": [{ "name": "", "type": "uint8" }],
                 "payable": false,
                 "type": "function"
             },
             {
                 "constant": true,
-                "inputs": [
-                    {
-                        "name": "_owner",
-                        "type": "address"
-                    }
-                ],
+                "inputs": [{ "name": "_owner", "type": "address" }],
                 "name": "balanceOf",
-                "outputs": [
-                    {
-                        "name": "",
-                        "type": "uint256"
-                    }
-                ],
+                "outputs": [{ "name": "", "type": "uint256" }],
                 "payable": false,
                 "type": "function"
             },
@@ -112,82 +59,33 @@
                 "constant": true,
                 "inputs": [],
                 "name": "symbol",
-                "outputs": [
-                    {
-                        "name": "",
-                        "type": "string"
-                    }
-                ],
+                "outputs": [{ "name": "", "type": "string" }],
                 "payable": false,
                 "type": "function"
             },
             {
                 "constant": false,
-                "inputs": [
-                    {
-                        "name": "_to",
-                        "type": "address"
-                    },
-                    {
-                        "name": "_value",
-                        "type": "uint256"
-                    }
-                ],
+                "inputs": [{ "name": "_to", "type": "address" }, { "name": "_value", "type": "uint256" }],
                 "name": "transfer",
-                "outputs": [
-                    {
-                        "name": "",
-                        "type": "bool"
-                    }
-                ],
+                "outputs": [{ "name": "", "type": "bool" }],
                 "payable": false,
                 "type": "function"
             },
             {
                 "constant": true,
-                "inputs": [
-                    {
-                        "name": "_owner",
-                        "type": "address"
-                    },
-                    {
-                        "name": "_spender",
-                        "type": "address"
-                    }
-                ],
+                "inputs": [{ "name": "_owner", "type": "address" }, { "name": "_spender", "type": "address" }],
                 "name": "allowance",
-                "outputs": [
-                    {
-                        "name": "",
-                        "type": "uint256"
-                    }
-                ],
+                "outputs": [{ "name": "", "type": "uint256" }],
                 "payable": false,
                 "type": "function"
             },
-            {
-                "inputs": [],
-                "payable": false,
-                "type": "constructor"
-            },
+            { "inputs": [], "payable": false, "type": "constructor" },
             {
                 "anonymous": false,
                 "inputs": [
-                    {
-                        "indexed": true,
-                        "name": "_from",
-                        "type": "address"
-                    },
-                    {
-                        "indexed": true,
-                        "name": "_to",
-                        "type": "address"
-                    },
-                    {
-                        "indexed": false,
-                        "name": "_value",
-                        "type": "uint256"
-                    }
+                    { "indexed": true, "name": "_from", "type": "address" },
+                    { "indexed": true, "name": "_to", "type": "address" },
+                    { "indexed": false, "name": "_value", "type": "uint256" }
                 ],
                 "name": "Transfer",
                 "type": "event"
@@ -195,21 +93,9 @@
             {
                 "anonymous": false,
                 "inputs": [
-                    {
-                        "indexed": true,
-                        "name": "_owner",
-                        "type": "address"
-                    },
-                    {
-                        "indexed": true,
-                        "name": "_spender",
-                        "type": "address"
-                    },
-                    {
-                        "indexed": false,
-                        "name": "_value",
-                        "type": "uint256"
-                    }
+                    { "indexed": true, "name": "_owner", "type": "address" },
+                    { "indexed": true, "name": "_spender", "type": "address" },
+                    { "indexed": false, "name": "_value", "type": "uint256" }
                 ],
                 "name": "Approval",
                 "type": "event"
@@ -217,9 +103,7 @@
         ],
         "evm": {
             "bytecode": {
-                "linkReferences": {},
-                "object":
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     },
diff --git a/yarn.lock b/yarn.lock
index 4550e56184..1e60b42322 100644
--- a/yarn.lock
+++ b/yarn.lock
@@ -5661,7 +5661,6 @@ deep-extend@^0.6.0:
 deep-extend@~0.4.0:
   version "0.4.2"
   resolved "https://registry.npmjs.org/deep-extend/-/deep-extend-0.4.2.tgz#48b699c27e334bf89f10892be432f6e4c7d34a7f"
-  integrity sha1-SLaZwn4zS/ifEIkr5DL25MfTSn8=
 
 deep-is@~0.1.3:
   version "0.1.3"
@@ -13889,15 +13888,6 @@ react-dom@^16.3.2:
     object-assign "^4.1.1"
     prop-types "^15.6.0"
 
-react-dom@^16.4.2:
-  version "16.8.6"
-  resolved "https://registry.yarnpkg.com/react-dom/-/react-dom-16.8.6.tgz#71d6303f631e8b0097f56165ef608f051ff6e10f"
-  dependencies:
-    loose-envify "^1.1.0"
-    object-assign "^4.1.1"
-    prop-types "^15.6.2"
-    scheduler "^0.13.6"
-
 react-dom@^16.5.2:
   version "16.5.2"
   resolved "https://registry.yarnpkg.com/react-dom/-/react-dom-16.5.2.tgz#b69ee47aa20bab5327b2b9d7c1fe2a30f2cfa9d7"
@@ -13955,8 +13945,6 @@ react-highlight@0xproject/react-highlight#react-peer-deps:
   dependencies:
     highlight.js "^9.11.0"
     highlightjs-solidity "^1.0.5"
-    react "^16.4.2"
-    react-dom "^16.4.2"
 
 react-hot-loader@^4.3.3:
   version "4.3.4"
@@ -14201,15 +14189,6 @@ react@^16.3.2:
     object-assign "^4.1.1"
     prop-types "^15.6.0"
 
-react@^16.4.2:
-  version "16.8.6"
-  resolved "https://registry.yarnpkg.com/react/-/react-16.8.6.tgz#ad6c3a9614fd3a4e9ef51117f54d888da01f2bbe"
-  dependencies:
-    loose-envify "^1.1.0"
-    object-assign "^4.1.1"
-    prop-types "^15.6.2"
-    scheduler "^0.13.6"
-
 react@^16.5.2:
   version "16.5.2"
   resolved "https://registry.yarnpkg.com/react/-/react-16.5.2.tgz#19f6b444ed139baa45609eee6dc3d318b3895d42"
@@ -15089,13 +15068,6 @@ schedule@^0.5.0:
   dependencies:
     object-assign "^4.1.1"
 
-scheduler@^0.13.6:
-  version "0.13.6"
-  resolved "https://registry.yarnpkg.com/scheduler/-/scheduler-0.13.6.tgz#466a4ec332467b31a91b9bf74e5347072e4cd889"
-  dependencies:
-    loose-envify "^1.1.0"
-    object-assign "^4.1.1"
-
 schema-utils@^0.4.4:
   version "0.4.7"
   resolved "https://registry.npmjs.org/schema-utils/-/schema-utils-0.4.7.tgz#ba74f597d2be2ea880131746ee17d0a093c68187"