Exchange & Proxy Integration Tests - ERC1155

contracts/asset-proxy/CHANGELOG.json

@@ -13,6 +13,10 @@
             {
                 "note": "Bumped solidity version to ^0.5.5",
                 "pr": 1701
+            },
+            {
+                "note": "Integration testing for ERC1155Proxy",
+                "pr": 1673
             }
         ]
     },

contracts/asset-proxy/test/erc1155_proxy.ts

@@ -433,6 +433,50 @@ describe('ERC1155Proxy', () => {
             ];
             await erc1155Wrapper.assertBalancesAsync(tokenHolders, tokensToTransfer, expectedFinalBalances);
         });
+        it('should successfully transfer value to a smart contract and trigger its callback, when callback `data` is NULL', async () => {
+            // setup test parameters
+            const tokenHolders = [spender, receiverContract];
+            const tokensToTransfer = fungibleTokens.slice(0, 1);
+            const valuesToTransfer = [fungibleValueToTransferLarge];
+            const valueMultiplier = valueMultiplierSmall;
+            const totalValuesTransferred = _.map(valuesToTransfer, (value: BigNumber) => {
+                return value.times(valueMultiplier);
+            });
+            // check balances before transfer
+            const expectedInitialBalances = [spenderInitialFungibleBalance, receiverContractInitialFungibleBalance];
+            await erc1155Wrapper.assertBalancesAsync(tokenHolders, tokensToTransfer, expectedInitialBalances);
+            // execute transfer
+            const nullReceiverCallbackData = '0x';
+            const txReceipt = await erc1155ProxyWrapper.transferFromWithLogsAsync(
+                spender,
+                receiverContract,
+                erc1155Contract.address,
+                tokensToTransfer,
+                valuesToTransfer,
+                valueMultiplier,
+                nullReceiverCallbackData,
+                authorized,
+            );
+            // check receiver log ignored extra asset data
+            expect(txReceipt.logs.length).to.be.equal(2);
+            const receiverLog = txReceipt.logs[1] as LogWithDecodedArgs<
+                DummyERC1155ReceiverBatchTokenReceivedEventArgs
+            >;
+            expect(receiverLog.args.operator).to.be.equal(erc1155Proxy.address);
+            expect(receiverLog.args.from).to.be.equal(spender);
+            expect(receiverLog.args.tokenIds.length).to.be.deep.equal(1);
+            expect(receiverLog.args.tokenIds[0]).to.be.bignumber.equal(tokensToTransfer[0]);
+            expect(receiverLog.args.tokenValues.length).to.be.deep.equal(1);
+            expect(receiverLog.args.tokenValues[0]).to.be.bignumber.equal(totalValuesTransferred[0]);
+            // note - if the `extraData` is ignored then the receiver log should ignore it as well.
+            expect(receiverLog.args.data).to.be.deep.equal(nullReceiverCallbackData);
+            // check balances after transfer
+            const expectedFinalBalances = [
+                expectedInitialBalances[0].minus(totalValuesTransferred[0]),
+                expectedInitialBalances[1].plus(totalValuesTransferred[0]),
+            ];
+            await erc1155Wrapper.assertBalancesAsync(tokenHolders, tokensToTransfer, expectedFinalBalances);
+        });
         it('should successfully transfer value and ignore extra assetData', async () => {
             // setup test parameters
             const tokenHolders = [spender, receiverContract];

contracts/exchange/CHANGELOG.json

@@ -9,6 +9,10 @@
             {
                 "note": "Upgrade contracts to Solidity 0.5.5",
                 "pr": 1682
+            },
+            {
+                "note": "Integration testing for ERC1155Proxy",
+                "pr": 1673
             }
         ]
     },

contracts/exchange/package.json

@@ -71,6 +71,7 @@
         "@0x/contracts-asset-proxy": "^1.0.9",
         "@0x/contracts-erc20": "^1.0.9",
         "@0x/contracts-erc721": "^1.0.9",
+        "@0x/contracts-erc1155": "^1.0.0",
         "@0x/contracts-exchange-libs": "^1.1.3",
         "@0x/contracts-utils": "^2.0.8",
         "@0x/order-utils": "^7.0.2",