diff --git a/Cargo.lock b/Cargo.lock
index e6a0694..a8631cc 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -572,10 +572,7 @@ version = "0.2.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "ba3569f383e8f1598449f1a423e72e99569137b47740b1da11ef19af3d5c3223"
 dependencies = [
- "lazy_static",
  "memchr",
- "regex-automata",
- "serde",
 ]
 
 [[package]]
@@ -879,18 +876,18 @@ dependencies = [
 
 [[package]]
 name = "cranelift-bforest"
-version = "0.82.3"
+version = "0.80.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "38faa2a16616c8e78a18d37b4726b98bfd2de192f2fdc8a39ddf568a408a0f75"
+checksum = "62fc68cdb867b7d27b5f33cd65eb11376dfb41a2d09568a1a2c2bc1dc204f4ef"
 dependencies = [
  "cranelift-entity",
 ]
 
 [[package]]
 name = "cranelift-codegen"
-version = "0.82.3"
+version = "0.80.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "26f192472a3ba23860afd07d2b0217dc628f21fcc72617aa1336d98e1671f33b"
+checksum = "31253a44ab62588f8235a996cc9b0636d98a299190069ced9628b8547329b47a"
 dependencies = [
  "cranelift-bforest",
  "cranelift-codegen-meta",
@@ -905,33 +902,33 @@ dependencies = [
 
 [[package]]
 name = "cranelift-codegen-meta"
-version = "0.82.3"
+version = "0.80.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0f32ddb89e9b89d3d9b36a5b7d7ea3261c98235a76ac95ba46826b8ec40b1a24"
+checksum = "7a20ab4627d30b702fb1b8a399882726d216b8164d3b3fa6189e3bf901506afe"
 dependencies = [
  "cranelift-codegen-shared",
 ]
 
 [[package]]
 name = "cranelift-codegen-shared"
-version = "0.82.3"
+version = "0.80.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "01fd0d9f288cc1b42d9333b7a776b17e278fc888c28e6a0f09b5573d45a150bc"
+checksum = "6687d9668dacfed4468361f7578d86bded8ca4db978f734d9b631494bebbb5b8"
 
 [[package]]
 name = "cranelift-entity"
-version = "0.82.3"
+version = "0.80.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "9e3bfe172b83167604601faf9dc60453e0d0a93415b57a9c4d1a7ae6849185cf"
+checksum = "c77c5d72db97ba2cb36f69037a709edbae0d29cb25503775891e7151c5c874bf"
 dependencies = [
  "serde",
 ]
 
 [[package]]
 name = "cranelift-frontend"
-version = "0.82.3"
+version = "0.80.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a006e3e32d80ce0e4ba7f1f9ddf66066d052a8c884a110b91d05404d6ce26dce"
+checksum = "426dca83f63c7c64ea459eb569aadc5e0c66536c0042ed5d693f91830e8750d0"
 dependencies = [
  "cranelift-codegen",
  "log",
@@ -941,9 +938,9 @@ dependencies = [
 
 [[package]]
 name = "cranelift-native"
-version = "0.82.3"
+version = "0.80.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "501241b0cdf903412ec9075385ac9f2b1eb18a89044d1538e97fab603231f70c"
+checksum = "8007864b5d0c49b026c861a15761785a2871124e401630c03ef1426e6d0d559e"
 dependencies = [
  "cranelift-codegen",
  "libc",
@@ -952,9 +949,9 @@ dependencies = [
 
 [[package]]
 name = "cranelift-wasm"
-version = "0.82.3"
+version = "0.80.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "16d9e4211bbc3268042a96dd4de5bd979cda22434991d035f5f8eacba987fad2"
+checksum = "94cf12c071415ba261d897387ae5350c4d83c238376c8c5a96514ecfa2ea66a3"
 dependencies = [
  "cranelift-codegen",
  "cranelift-entity",
@@ -1056,28 +1053,6 @@ dependencies = [
  "subtle",
 ]
 
-[[package]]
-name = "csv"
-version = "1.1.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "22813a6dc45b335f9bade10bf7271dc477e81113e89eb251a0bc2a8a81c536e1"
-dependencies = [
- "bstr",
- "csv-core",
- "itoa 0.4.8",
- "ryu",
- "serde",
-]
-
-[[package]]
-name = "csv-core"
-version = "0.1.10"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2b2466559f260f48ad25fe6317b3c8dac77b5bdb5763ac7d9d6103530663bc90"
-dependencies = [
- "memchr",
-]
-
 [[package]]
 name = "ct-logs"
 version = "0.8.0"
@@ -1230,17 +1205,6 @@ dependencies = [
  "dirs-sys-next",
 ]
 
-[[package]]
-name = "dirs"
-version = "1.0.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3fd78930633bd1c6e35c4b42b1df7b0cbc6bc191146e512bb3bedf243fcc3901"
-dependencies = [
- "libc",
- "redox_users 0.3.5",
- "winapi 0.3.9",
-]
-
 [[package]]
 name = "dirs-sys"
 version = "0.3.7"
@@ -1248,7 +1212,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "1b1d1d91c932ef41c0f2663aa8b0ca0342d444d842c06914aa0a7e352d0bada6"
 dependencies = [
  "libc",
- "redox_users 0.4.3",
+ "redox_users",
  "winapi 0.3.9",
 ]
 
@@ -1259,7 +1223,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "4ebda144c4fe02d1f7ea1a7d9641b6fc6b580adcfa024ae48797ecdeb6825b4d"
 dependencies = [
  "libc",
- "redox_users 0.4.3",
+ "redox_users",
  "winapi 0.3.9",
 ]
 
@@ -1341,12 +1305,6 @@ version = "1.6.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "e78d4f1cc4ae33bbfc157ed5d5a5ef3bc29227303d595861deb238fcec4e9457"
 
-[[package]]
-name = "encode_unicode"
-version = "0.3.6"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "a357d28ed41a50f9c765dbfe56cbc04a64e53e5fc58ba79fbc34c10ef3df831f"
-
 [[package]]
 name = "enum-as-inner"
 version = "0.3.4"
@@ -1510,7 +1468,7 @@ checksum = "3f9eec918d3f24069decb9af1554cad7c880e2da24a9afd88aca000531ab82c1"
 [[package]]
 name = "fork-tree"
 version = "3.0.0"
-source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.20#563f4820d8f36d256ada7ea3fef46b2e94c4cd5a"
+source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.19#174735ea1bb5fc4513519c45181d8df63d86f613"
 dependencies = [
  "parity-scale-codec",
 ]
@@ -1528,7 +1486,7 @@ dependencies = [
 [[package]]
 name = "frame-benchmarking"
 version = "4.0.0-dev"
-source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.20#563f4820d8f36d256ada7ea3fef46b2e94c4cd5a"
+source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.19#174735ea1bb5fc4513519c45181d8df63d86f613"
 dependencies = [
  "frame-support",
  "frame-system",
@@ -1550,7 +1508,7 @@ dependencies = [
 [[package]]
 name = "frame-benchmarking-cli"
 version = "4.0.0-dev"
-source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.20#563f4820d8f36d256ada7ea3fef46b2e94c4cd5a"
+source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.19#174735ea1bb5fc4513519c45181d8df63d86f613"
 dependencies = [
  "Inflector",
  "chrono",
@@ -1567,16 +1525,13 @@ dependencies = [
  "log",
  "memory-db",
  "parity-scale-codec",
- "prettytable-rs",
  "rand 0.8.5",
- "rand_pcg 0.3.1",
  "sc-block-builder",
  "sc-cli",
  "sc-client-api",
  "sc-client-db",
  "sc-executor",
  "sc-service",
- "sc-sysinfo",
  "serde",
  "serde_json",
  "serde_nanos",
@@ -1589,16 +1544,16 @@ dependencies = [
  "sp-keystore",
  "sp-runtime",
  "sp-state-machine",
+ "sp-std",
  "sp-storage",
  "sp-trie",
- "tempfile",
  "thousands",
 ]
 
 [[package]]
 name = "frame-executive"
 version = "4.0.0-dev"
-source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.20#563f4820d8f36d256ada7ea3fef46b2e94c4cd5a"
+source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.19#174735ea1bb5fc4513519c45181d8df63d86f613"
 dependencies = [
  "frame-support",
  "frame-system",
@@ -1626,7 +1581,7 @@ dependencies = [
 [[package]]
 name = "frame-support"
 version = "4.0.0-dev"
-source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.20#563f4820d8f36d256ada7ea3fef46b2e94c4cd5a"
+source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.19#174735ea1bb5fc4513519c45181d8df63d86f613"
 dependencies = [
  "bitflags",
  "frame-metadata",
@@ -1655,7 +1610,7 @@ dependencies = [
 [[package]]
 name = "frame-support-procedural"
 version = "4.0.0-dev"
-source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.20#563f4820d8f36d256ada7ea3fef46b2e94c4cd5a"
+source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.19#174735ea1bb5fc4513519c45181d8df63d86f613"
 dependencies = [
  "Inflector",
  "frame-support-procedural-tools",
@@ -1667,7 +1622,7 @@ dependencies = [
 [[package]]
 name = "frame-support-procedural-tools"
 version = "4.0.0-dev"
-source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.20#563f4820d8f36d256ada7ea3fef46b2e94c4cd5a"
+source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.19#174735ea1bb5fc4513519c45181d8df63d86f613"
 dependencies = [
  "frame-support-procedural-tools-derive",
  "proc-macro-crate 1.1.3",
@@ -1679,7 +1634,7 @@ dependencies = [
 [[package]]
 name = "frame-support-procedural-tools-derive"
 version = "3.0.0"
-source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.20#563f4820d8f36d256ada7ea3fef46b2e94c4cd5a"
+source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.19#174735ea1bb5fc4513519c45181d8df63d86f613"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -1689,7 +1644,7 @@ dependencies = [
 [[package]]
 name = "frame-system"
 version = "4.0.0-dev"
-source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.20#563f4820d8f36d256ada7ea3fef46b2e94c4cd5a"
+source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.19#174735ea1bb5fc4513519c45181d8df63d86f613"
 dependencies = [
  "frame-support",
  "log",
@@ -1706,7 +1661,7 @@ dependencies = [
 [[package]]
 name = "frame-system-benchmarking"
 version = "4.0.0-dev"
-source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.20#563f4820d8f36d256ada7ea3fef46b2e94c4cd5a"
+source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.19#174735ea1bb5fc4513519c45181d8df63d86f613"
 dependencies = [
  "frame-benchmarking",
  "frame-support",
@@ -1721,7 +1676,7 @@ dependencies = [
 [[package]]
 name = "frame-system-rpc-runtime-api"
 version = "4.0.0-dev"
-source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.20#563f4820d8f36d256ada7ea3fef46b2e94c4cd5a"
+source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.19#174735ea1bb5fc4513519c45181d8df63d86f613"
 dependencies = [
  "parity-scale-codec",
  "sp-api",
@@ -1730,7 +1685,7 @@ dependencies = [
 [[package]]
 name = "frame-try-runtime"
 version = "0.10.0-dev"
-source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.20#563f4820d8f36d256ada7ea3fef46b2e94c4cd5a"
+source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.19#174735ea1bb5fc4513519c45181d8df63d86f613"
 dependencies = [
  "frame-support",
  "sp-api",
@@ -2362,9 +2317,12 @@ dependencies = [
 
 [[package]]
 name = "io-lifetimes"
-version = "0.5.3"
+version = "0.4.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ec58677acfea8a15352d42fc87d11d63596ade9239e0a7c9352914417515dbe6"
+checksum = "f6ef6787e7f0faedc040f95716bdd0e62bcfcf4ba93da053b62dea2691c13864"
+dependencies = [
+ "winapi 0.3.9",
+]
 
 [[package]]
 name = "iovec"
@@ -3345,9 +3303,9 @@ dependencies = [
 
 [[package]]
 name = "linux-raw-sys"
-version = "0.0.42"
+version = "0.0.36"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "5284f00d480e1c39af34e72f8ad60b94f47007e3481cd3b731c1d67190ddc7b7"
+checksum = "a261afc61b7a5e323933b402ca6a1765183687c614789b1e4db7762ed4230bca"
 
 [[package]]
 name = "lock_api"
@@ -3951,7 +3909,7 @@ dependencies = [
 [[package]]
 name = "pallet-balances"
 version = "4.0.0-dev"
-source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.20#563f4820d8f36d256ada7ea3fef46b2e94c4cd5a"
+source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.19#174735ea1bb5fc4513519c45181d8df63d86f613"
 dependencies = [
  "frame-benchmarking",
  "frame-support",
@@ -3966,7 +3924,7 @@ dependencies = [
 [[package]]
 name = "pallet-contracts"
 version = "4.0.0-dev"
-source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.20#563f4820d8f36d256ada7ea3fef46b2e94c4cd5a"
+source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.19#174735ea1bb5fc4513519c45181d8df63d86f613"
 dependencies = [
  "bitflags",
  "frame-benchmarking",
@@ -3992,7 +3950,7 @@ dependencies = [
 [[package]]
 name = "pallet-contracts-primitives"
 version = "6.0.0"
-source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.20#563f4820d8f36d256ada7ea3fef46b2e94c4cd5a"
+source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.19#174735ea1bb5fc4513519c45181d8df63d86f613"
 dependencies = [
  "bitflags",
  "parity-scale-codec",
@@ -4007,7 +3965,7 @@ dependencies = [
 [[package]]
 name = "pallet-contracts-proc-macro"
 version = "4.0.0-dev"
-source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.20#563f4820d8f36d256ada7ea3fef46b2e94c4cd5a"
+source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.19#174735ea1bb5fc4513519c45181d8df63d86f613"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -4017,7 +3975,7 @@ dependencies = [
 [[package]]
 name = "pallet-contracts-rpc"
 version = "4.0.0-dev"
-source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.20#563f4820d8f36d256ada7ea3fef46b2e94c4cd5a"
+source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.19#174735ea1bb5fc4513519c45181d8df63d86f613"
 dependencies = [
  "jsonrpc-core",
  "jsonrpc-core-client",
@@ -4036,7 +3994,7 @@ dependencies = [
 [[package]]
 name = "pallet-contracts-rpc-runtime-api"
 version = "4.0.0-dev"
-source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.20#563f4820d8f36d256ada7ea3fef46b2e94c4cd5a"
+source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.19#174735ea1bb5fc4513519c45181d8df63d86f613"
 dependencies = [
  "pallet-contracts-primitives",
  "parity-scale-codec",
@@ -4049,7 +4007,7 @@ dependencies = [
 [[package]]
 name = "pallet-randomness-collective-flip"
 version = "4.0.0-dev"
-source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.20#563f4820d8f36d256ada7ea3fef46b2e94c4cd5a"
+source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.19#174735ea1bb5fc4513519c45181d8df63d86f613"
 dependencies = [
  "frame-support",
  "frame-system",
@@ -4063,7 +4021,7 @@ dependencies = [
 [[package]]
 name = "pallet-sudo"
 version = "4.0.0-dev"
-source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.20#563f4820d8f36d256ada7ea3fef46b2e94c4cd5a"
+source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.19#174735ea1bb5fc4513519c45181d8df63d86f613"
 dependencies = [
  "frame-support",
  "frame-system",
@@ -4077,7 +4035,7 @@ dependencies = [
 [[package]]
 name = "pallet-timestamp"
 version = "4.0.0-dev"
-source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.20#563f4820d8f36d256ada7ea3fef46b2e94c4cd5a"
+source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.19#174735ea1bb5fc4513519c45181d8df63d86f613"
 dependencies = [
  "frame-benchmarking",
  "frame-support",
@@ -4095,7 +4053,7 @@ dependencies = [
 [[package]]
 name = "pallet-transaction-payment"
 version = "4.0.0-dev"
-source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.20#563f4820d8f36d256ada7ea3fef46b2e94c4cd5a"
+source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.19#174735ea1bb5fc4513519c45181d8df63d86f613"
 dependencies = [
  "frame-support",
  "frame-system",
@@ -4112,7 +4070,7 @@ dependencies = [
 [[package]]
 name = "pallet-transaction-payment-rpc"
 version = "4.0.0-dev"
-source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.20#563f4820d8f36d256ada7ea3fef46b2e94c4cd5a"
+source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.19#174735ea1bb5fc4513519c45181d8df63d86f613"
 dependencies = [
  "jsonrpc-core",
  "jsonrpc-core-client",
@@ -4129,7 +4087,7 @@ dependencies = [
 [[package]]
 name = "pallet-transaction-payment-rpc-runtime-api"
 version = "4.0.0-dev"
-source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.20#563f4820d8f36d256ada7ea3fef46b2e94c4cd5a"
+source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.19#174735ea1bb5fc4513519c45181d8df63d86f613"
 dependencies = [
  "pallet-transaction-payment",
  "parity-scale-codec",
@@ -4298,7 +4256,7 @@ dependencies = [
  "cfg-if 1.0.0",
  "instant",
  "libc",
- "redox_syscall 0.2.13",
+ "redox_syscall",
  "smallvec",
  "winapi 0.3.9",
 ]
@@ -4311,7 +4269,7 @@ checksum = "09a279cbf25cb0757810394fbc1e359949b59e348145c643a939a525692e6929"
 dependencies = [
  "cfg-if 1.0.0",
  "libc",
- "redox_syscall 0.2.13",
+ "redox_syscall",
  "smallvec",
  "windows-sys",
 ]
@@ -4523,20 +4481,6 @@ version = "0.2.16"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "eb9f9e6e233e5c4a35559a617bf40a4ec447db2e84c20b55a6f83167b7e57872"
 
-[[package]]
-name = "prettytable-rs"
-version = "0.8.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "0fd04b170004fa2daccf418a7f8253aaf033c27760b5f225889024cf66d7ac2e"
-dependencies = [
- "atty",
- "csv",
- "encode_unicode",
- "lazy_static",
- "term",
- "unicode-width",
-]
-
 [[package]]
 name = "primitive-types"
 version = "0.11.1"
@@ -4727,7 +4671,7 @@ dependencies = [
  "rand_chacha 0.2.2",
  "rand_core 0.5.1",
  "rand_hc",
- "rand_pcg 0.2.1",
+ "rand_pcg",
 ]
 
 [[package]]
@@ -4807,15 +4751,6 @@ dependencies = [
  "rand_core 0.5.1",
 ]
 
-[[package]]
-name = "rand_pcg"
-version = "0.3.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "59cad018caf63deb318e5a4586d99a24424a364f40f1e5778c29aca23f4fc73e"
-dependencies = [
- "rand_core 0.6.3",
-]
-
 [[package]]
 name = "rawpointer"
 version = "0.2.1"
@@ -4846,12 +4781,6 @@ dependencies = [
  "num_cpus",
 ]
 
-[[package]]
-name = "redox_syscall"
-version = "0.1.57"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "41cc0f7e4d5d4544e8861606a285bb08d3e70712ccc7d2b84d7c0ccfaf4b05ce"
-
 [[package]]
 name = "redox_syscall"
 version = "0.2.13"
@@ -4861,17 +4790,6 @@ dependencies = [
  "bitflags",
 ]
 
-[[package]]
-name = "redox_users"
-version = "0.3.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "de0737333e7a9502c789a36d7c7fa6092a49895d4faa31ca5df163857ded2e9d"
-dependencies = [
- "getrandom 0.1.16",
- "redox_syscall 0.1.57",
- "rust-argon2",
-]
-
 [[package]]
 name = "redox_users"
 version = "0.4.3"
@@ -4879,7 +4797,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "b033d837a7cf162d7993aded9304e30a83213c648b6e389db233191f891e5c2b"
 dependencies = [
  "getrandom 0.2.6",
- "redox_syscall 0.2.13",
+ "redox_syscall",
  "thiserror",
 ]
 
@@ -4905,9 +4823,9 @@ dependencies = [
 
 [[package]]
 name = "regalloc"
-version = "0.0.34"
+version = "0.0.33"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "62446b1d3ebf980bdc68837700af1d77b37bc430e524bf95319c6eada2a4cc02"
+checksum = "7d808cff91dfca7b239d40b972ba628add94892b1d9e19a842aedc5cfae8ab1a"
 dependencies = [
  "log",
  "rustc-hash",
@@ -4955,7 +4873,7 @@ dependencies = [
 [[package]]
 name = "remote-externalities"
 version = "0.10.0-dev"
-source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.20#563f4820d8f36d256ada7ea3fef46b2e94c4cd5a"
+source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.19#174735ea1bb5fc4513519c45181d8df63d86f613"
 dependencies = [
  "env_logger",
  "jsonrpsee",
@@ -5029,18 +4947,6 @@ dependencies = [
  "winapi 0.3.9",
 ]
 
-[[package]]
-name = "rust-argon2"
-version = "0.8.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4b18820d944b33caa75a71378964ac46f58517c92b6ae5f762636247c09e78fb"
-dependencies = [
- "base64",
- "blake2b_simd",
- "constant_time_eq",
- "crossbeam-utils",
-]
-
 [[package]]
 name = "rustc-demangle"
 version = "0.1.21"
@@ -5088,9 +4994,9 @@ dependencies = [
 
 [[package]]
 name = "rustix"
-version = "0.33.7"
+version = "0.31.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "938a344304321a9da4973b9ff4f9f8db9caf4597dfd9dda6a60b523340a0fff0"
+checksum = "b2dcfc2778a90e38f56a708bfc90572422e11d6c7ee233d053d1f782cf9df6d2"
 dependencies = [
  "bitflags",
  "errno",
@@ -5211,7 +5117,7 @@ dependencies = [
 [[package]]
 name = "sc-allocator"
 version = "4.1.0-dev"
-source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.20#563f4820d8f36d256ada7ea3fef46b2e94c4cd5a"
+source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.19#174735ea1bb5fc4513519c45181d8df63d86f613"
 dependencies = [
  "log",
  "sp-core",
@@ -5222,7 +5128,7 @@ dependencies = [
 [[package]]
 name = "sc-basic-authorship"
 version = "0.10.0-dev"
-source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.20#563f4820d8f36d256ada7ea3fef46b2e94c4cd5a"
+source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.19#174735ea1bb5fc4513519c45181d8df63d86f613"
 dependencies = [
  "futures 0.3.21",
  "futures-timer",
@@ -5245,7 +5151,7 @@ dependencies = [
 [[package]]
 name = "sc-block-builder"
 version = "0.10.0-dev"
-source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.20#563f4820d8f36d256ada7ea3fef46b2e94c4cd5a"
+source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.19#174735ea1bb5fc4513519c45181d8df63d86f613"
 dependencies = [
  "parity-scale-codec",
  "sc-client-api",
@@ -5261,7 +5167,7 @@ dependencies = [
 [[package]]
 name = "sc-chain-spec"
 version = "4.0.0-dev"
-source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.20#563f4820d8f36d256ada7ea3fef46b2e94c4cd5a"
+source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.19#174735ea1bb5fc4513519c45181d8df63d86f613"
 dependencies = [
  "impl-trait-for-tuples",
  "memmap2 0.5.3",
@@ -5278,7 +5184,7 @@ dependencies = [
 [[package]]
 name = "sc-chain-spec-derive"
 version = "4.0.0-dev"
-source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.20#563f4820d8f36d256ada7ea3fef46b2e94c4cd5a"
+source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.19#174735ea1bb5fc4513519c45181d8df63d86f613"
 dependencies = [
  "proc-macro-crate 1.1.3",
  "proc-macro2",
@@ -5289,7 +5195,7 @@ dependencies = [
 [[package]]
 name = "sc-cli"
 version = "0.10.0-dev"
-source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.20#563f4820d8f36d256ada7ea3fef46b2e94c4cd5a"
+source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.19#174735ea1bb5fc4513519c45181d8df63d86f613"
 dependencies = [
  "chrono",
  "clap",
@@ -5327,7 +5233,7 @@ dependencies = [
 [[package]]
 name = "sc-client-api"
 version = "4.0.0-dev"
-source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.20#563f4820d8f36d256ada7ea3fef46b2e94c4cd5a"
+source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.19#174735ea1bb5fc4513519c45181d8df63d86f613"
 dependencies = [
  "fnv",
  "futures 0.3.21",
@@ -5355,7 +5261,7 @@ dependencies = [
 [[package]]
 name = "sc-client-db"
 version = "0.10.0-dev"
-source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.20#563f4820d8f36d256ada7ea3fef46b2e94c4cd5a"
+source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.19#174735ea1bb5fc4513519c45181d8df63d86f613"
 dependencies = [
  "hash-db",
  "kvdb",
@@ -5380,7 +5286,7 @@ dependencies = [
 [[package]]
 name = "sc-consensus"
 version = "0.10.0-dev"
-source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.20#563f4820d8f36d256ada7ea3fef46b2e94c4cd5a"
+source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.19#174735ea1bb5fc4513519c45181d8df63d86f613"
 dependencies = [
  "async-trait",
  "futures 0.3.21",
@@ -5404,7 +5310,7 @@ dependencies = [
 [[package]]
 name = "sc-consensus-aura"
 version = "0.10.0-dev"
-source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.20#563f4820d8f36d256ada7ea3fef46b2e94c4cd5a"
+source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.19#174735ea1bb5fc4513519c45181d8df63d86f613"
 dependencies = [
  "async-trait",
  "futures 0.3.21",
@@ -5433,7 +5339,7 @@ dependencies = [
 [[package]]
 name = "sc-consensus-babe"
 version = "0.10.0-dev"
-source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.20#563f4820d8f36d256ada7ea3fef46b2e94c4cd5a"
+source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.19#174735ea1bb5fc4513519c45181d8df63d86f613"
 dependencies = [
  "async-trait",
  "fork-tree",
@@ -5476,7 +5382,7 @@ dependencies = [
 [[package]]
 name = "sc-consensus-epochs"
 version = "0.10.0-dev"
-source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.20#563f4820d8f36d256ada7ea3fef46b2e94c4cd5a"
+source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.19#174735ea1bb5fc4513519c45181d8df63d86f613"
 dependencies = [
  "fork-tree",
  "parity-scale-codec",
@@ -5489,7 +5395,7 @@ dependencies = [
 [[package]]
 name = "sc-consensus-manual-seal"
 version = "0.10.0-dev"
-source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.20#563f4820d8f36d256ada7ea3fef46b2e94c4cd5a"
+source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.19#174735ea1bb5fc4513519c45181d8df63d86f613"
 dependencies = [
  "assert_matches",
  "async-trait",
@@ -5525,7 +5431,7 @@ dependencies = [
 [[package]]
 name = "sc-consensus-slots"
 version = "0.10.0-dev"
-source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.20#563f4820d8f36d256ada7ea3fef46b2e94c4cd5a"
+source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.19#174735ea1bb5fc4513519c45181d8df63d86f613"
 dependencies = [
  "async-trait",
  "futures 0.3.21",
@@ -5550,7 +5456,7 @@ dependencies = [
 [[package]]
 name = "sc-executor"
 version = "0.10.0-dev"
-source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.20#563f4820d8f36d256ada7ea3fef46b2e94c4cd5a"
+source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.19#174735ea1bb5fc4513519c45181d8df63d86f613"
 dependencies = [
  "lazy_static",
  "lru 0.7.5",
@@ -5577,7 +5483,7 @@ dependencies = [
 [[package]]
 name = "sc-executor-common"
 version = "0.10.0-dev"
-source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.20#563f4820d8f36d256ada7ea3fef46b2e94c4cd5a"
+source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.19#174735ea1bb5fc4513519c45181d8df63d86f613"
 dependencies = [
  "environmental",
  "parity-scale-codec",
@@ -5594,7 +5500,7 @@ dependencies = [
 [[package]]
 name = "sc-executor-wasmi"
 version = "0.10.0-dev"
-source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.20#563f4820d8f36d256ada7ea3fef46b2e94c4cd5a"
+source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.19#174735ea1bb5fc4513519c45181d8df63d86f613"
 dependencies = [
  "log",
  "parity-scale-codec",
@@ -5610,7 +5516,7 @@ dependencies = [
 [[package]]
 name = "sc-executor-wasmtime"
 version = "0.10.0-dev"
-source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.20#563f4820d8f36d256ada7ea3fef46b2e94c4cd5a"
+source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.19#174735ea1bb5fc4513519c45181d8df63d86f613"
 dependencies = [
  "cfg-if 1.0.0",
  "libc",
@@ -5628,7 +5534,7 @@ dependencies = [
 [[package]]
 name = "sc-informant"
 version = "0.10.0-dev"
-source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.20#563f4820d8f36d256ada7ea3fef46b2e94c4cd5a"
+source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.19#174735ea1bb5fc4513519c45181d8df63d86f613"
 dependencies = [
  "ansi_term",
  "futures 0.3.21",
@@ -5645,7 +5551,7 @@ dependencies = [
 [[package]]
 name = "sc-keystore"
 version = "4.0.0-dev"
-source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.20#563f4820d8f36d256ada7ea3fef46b2e94c4cd5a"
+source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.19#174735ea1bb5fc4513519c45181d8df63d86f613"
 dependencies = [
  "async-trait",
  "hex",
@@ -5660,7 +5566,7 @@ dependencies = [
 [[package]]
 name = "sc-network"
 version = "0.10.0-dev"
-source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.20#563f4820d8f36d256ada7ea3fef46b2e94c4cd5a"
+source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.19#174735ea1bb5fc4513519c45181d8df63d86f613"
 dependencies = [
  "async-trait",
  "asynchronous-codec 0.5.0",
@@ -5709,7 +5615,7 @@ dependencies = [
 [[package]]
 name = "sc-offchain"
 version = "4.0.0-dev"
-source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.20#563f4820d8f36d256ada7ea3fef46b2e94c4cd5a"
+source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.19#174735ea1bb5fc4513519c45181d8df63d86f613"
 dependencies = [
  "bytes 1.1.0",
  "fnv",
@@ -5737,7 +5643,7 @@ dependencies = [
 [[package]]
 name = "sc-peerset"
 version = "4.0.0-dev"
-source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.20#563f4820d8f36d256ada7ea3fef46b2e94c4cd5a"
+source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.19#174735ea1bb5fc4513519c45181d8df63d86f613"
 dependencies = [
  "futures 0.3.21",
  "libp2p",
@@ -5750,7 +5656,7 @@ dependencies = [
 [[package]]
 name = "sc-proposer-metrics"
 version = "0.10.0-dev"
-source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.20#563f4820d8f36d256ada7ea3fef46b2e94c4cd5a"
+source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.19#174735ea1bb5fc4513519c45181d8df63d86f613"
 dependencies = [
  "log",
  "substrate-prometheus-endpoint",
@@ -5759,7 +5665,7 @@ dependencies = [
 [[package]]
 name = "sc-rpc"
 version = "4.0.0-dev"
-source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.20#563f4820d8f36d256ada7ea3fef46b2e94c4cd5a"
+source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.19#174735ea1bb5fc4513519c45181d8df63d86f613"
 dependencies = [
  "futures 0.3.21",
  "hash-db",
@@ -5790,7 +5696,7 @@ dependencies = [
 [[package]]
 name = "sc-rpc-api"
 version = "0.10.0-dev"
-source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.20#563f4820d8f36d256ada7ea3fef46b2e94c4cd5a"
+source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.19#174735ea1bb5fc4513519c45181d8df63d86f613"
 dependencies = [
  "futures 0.3.21",
  "jsonrpc-core",
@@ -5816,7 +5722,7 @@ dependencies = [
 [[package]]
 name = "sc-rpc-server"
 version = "4.0.0-dev"
-source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.20#563f4820d8f36d256ada7ea3fef46b2e94c4cd5a"
+source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.19#174735ea1bb5fc4513519c45181d8df63d86f613"
 dependencies = [
  "futures 0.3.21",
  "jsonrpc-core",
@@ -5833,7 +5739,7 @@ dependencies = [
 [[package]]
 name = "sc-service"
 version = "0.10.0-dev"
-source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.20#563f4820d8f36d256ada7ea3fef46b2e94c4cd5a"
+source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.19#174735ea1bb5fc4513519c45181d8df63d86f613"
 dependencies = [
  "async-trait",
  "directories",
@@ -5861,7 +5767,6 @@ dependencies = [
  "sc-offchain",
  "sc-rpc",
  "sc-rpc-server",
- "sc-sysinfo",
  "sc-telemetry",
  "sc-tracing",
  "sc-transaction-pool",
@@ -5898,7 +5803,7 @@ dependencies = [
 [[package]]
 name = "sc-state-db"
 version = "0.10.0-dev"
-source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.20#563f4820d8f36d256ada7ea3fef46b2e94c4cd5a"
+source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.19#174735ea1bb5fc4513519c45181d8df63d86f613"
 dependencies = [
  "log",
  "parity-scale-codec",
@@ -5909,29 +5814,10 @@ dependencies = [
  "sp-core",
 ]
 
-[[package]]
-name = "sc-sysinfo"
-version = "6.0.0-dev"
-source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.20#563f4820d8f36d256ada7ea3fef46b2e94c4cd5a"
-dependencies = [
- "futures 0.3.21",
- "libc",
- "log",
- "rand 0.7.3",
- "rand_pcg 0.2.1",
- "regex",
- "sc-telemetry",
- "serde",
- "serde_json",
- "sp-core",
- "sp-io",
- "sp-std",
-]
-
 [[package]]
 name = "sc-telemetry"
 version = "4.0.0-dev"
-source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.20#563f4820d8f36d256ada7ea3fef46b2e94c4cd5a"
+source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.19#174735ea1bb5fc4513519c45181d8df63d86f613"
 dependencies = [
  "chrono",
  "futures 0.3.21",
@@ -5949,7 +5835,7 @@ dependencies = [
 [[package]]
 name = "sc-tracing"
 version = "4.0.0-dev"
-source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.20#563f4820d8f36d256ada7ea3fef46b2e94c4cd5a"
+source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.19#174735ea1bb5fc4513519c45181d8df63d86f613"
 dependencies = [
  "ansi_term",
  "atty",
@@ -5980,7 +5866,7 @@ dependencies = [
 [[package]]
 name = "sc-tracing-proc-macro"
 version = "4.0.0-dev"
-source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.20#563f4820d8f36d256ada7ea3fef46b2e94c4cd5a"
+source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.19#174735ea1bb5fc4513519c45181d8df63d86f613"
 dependencies = [
  "proc-macro-crate 1.1.3",
  "proc-macro2",
@@ -5991,7 +5877,7 @@ dependencies = [
 [[package]]
 name = "sc-transaction-pool"
 version = "4.0.0-dev"
-source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.20#563f4820d8f36d256ada7ea3fef46b2e94c4cd5a"
+source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.19#174735ea1bb5fc4513519c45181d8df63d86f613"
 dependencies = [
  "futures 0.3.21",
  "futures-timer",
@@ -6018,7 +5904,7 @@ dependencies = [
 [[package]]
 name = "sc-transaction-pool-api"
 version = "4.0.0-dev"
-source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.20#563f4820d8f36d256ada7ea3fef46b2e94c4cd5a"
+source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.19#174735ea1bb5fc4513519c45181d8df63d86f613"
 dependencies = [
  "futures 0.3.21",
  "log",
@@ -6031,7 +5917,7 @@ dependencies = [
 [[package]]
 name = "sc-utils"
 version = "4.0.0-dev"
-source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.20#563f4820d8f36d256ada7ea3fef46b2e94c4cd5a"
+source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.19#174735ea1bb5fc4513519c45181d8df63d86f613"
 dependencies = [
  "futures 0.3.21",
  "futures-timer",
@@ -6469,7 +6355,7 @@ dependencies = [
 [[package]]
 name = "sp-api"
 version = "4.0.0-dev"
-source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.20#563f4820d8f36d256ada7ea3fef46b2e94c4cd5a"
+source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.19#174735ea1bb5fc4513519c45181d8df63d86f613"
 dependencies = [
  "hash-db",
  "log",
@@ -6486,7 +6372,7 @@ dependencies = [
 [[package]]
 name = "sp-api-proc-macro"
 version = "4.0.0-dev"
-source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.20#563f4820d8f36d256ada7ea3fef46b2e94c4cd5a"
+source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.19#174735ea1bb5fc4513519c45181d8df63d86f613"
 dependencies = [
  "blake2 0.10.4",
  "proc-macro-crate 1.1.3",
@@ -6498,7 +6384,7 @@ dependencies = [
 [[package]]
 name = "sp-application-crypto"
 version = "6.0.0"
-source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.20#563f4820d8f36d256ada7ea3fef46b2e94c4cd5a"
+source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.19#174735ea1bb5fc4513519c45181d8df63d86f613"
 dependencies = [
  "parity-scale-codec",
  "scale-info",
@@ -6511,7 +6397,7 @@ dependencies = [
 [[package]]
 name = "sp-arithmetic"
 version = "5.0.0"
-source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.20#563f4820d8f36d256ada7ea3fef46b2e94c4cd5a"
+source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.19#174735ea1bb5fc4513519c45181d8df63d86f613"
 dependencies = [
  "integer-sqrt",
  "num-traits",
@@ -6526,7 +6412,7 @@ dependencies = [
 [[package]]
 name = "sp-block-builder"
 version = "4.0.0-dev"
-source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.20#563f4820d8f36d256ada7ea3fef46b2e94c4cd5a"
+source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.19#174735ea1bb5fc4513519c45181d8df63d86f613"
 dependencies = [
  "parity-scale-codec",
  "sp-api",
@@ -6538,7 +6424,7 @@ dependencies = [
 [[package]]
 name = "sp-blockchain"
 version = "4.0.0-dev"
-source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.20#563f4820d8f36d256ada7ea3fef46b2e94c4cd5a"
+source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.19#174735ea1bb5fc4513519c45181d8df63d86f613"
 dependencies = [
  "futures 0.3.21",
  "log",
@@ -6556,7 +6442,7 @@ dependencies = [
 [[package]]
 name = "sp-consensus"
 version = "0.10.0-dev"
-source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.20#563f4820d8f36d256ada7ea3fef46b2e94c4cd5a"
+source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.19#174735ea1bb5fc4513519c45181d8df63d86f613"
 dependencies = [
  "async-trait",
  "futures 0.3.21",
@@ -6575,7 +6461,7 @@ dependencies = [
 [[package]]
 name = "sp-consensus-aura"
 version = "0.10.0-dev"
-source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.20#563f4820d8f36d256ada7ea3fef46b2e94c4cd5a"
+source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.19#174735ea1bb5fc4513519c45181d8df63d86f613"
 dependencies = [
  "async-trait",
  "parity-scale-codec",
@@ -6593,7 +6479,7 @@ dependencies = [
 [[package]]
 name = "sp-consensus-babe"
 version = "0.10.0-dev"
-source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.20#563f4820d8f36d256ada7ea3fef46b2e94c4cd5a"
+source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.19#174735ea1bb5fc4513519c45181d8df63d86f613"
 dependencies = [
  "async-trait",
  "merlin",
@@ -6616,7 +6502,7 @@ dependencies = [
 [[package]]
 name = "sp-consensus-slots"
 version = "0.10.0-dev"
-source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.20#563f4820d8f36d256ada7ea3fef46b2e94c4cd5a"
+source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.19#174735ea1bb5fc4513519c45181d8df63d86f613"
 dependencies = [
  "parity-scale-codec",
  "scale-info",
@@ -6630,7 +6516,7 @@ dependencies = [
 [[package]]
 name = "sp-consensus-vrf"
 version = "0.10.0-dev"
-source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.20#563f4820d8f36d256ada7ea3fef46b2e94c4cd5a"
+source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.19#174735ea1bb5fc4513519c45181d8df63d86f613"
 dependencies = [
  "parity-scale-codec",
  "schnorrkel",
@@ -6642,7 +6528,7 @@ dependencies = [
 [[package]]
 name = "sp-core"
 version = "6.0.0"
-source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.20#563f4820d8f36d256ada7ea3fef46b2e94c4cd5a"
+source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.19#174735ea1bb5fc4513519c45181d8df63d86f613"
 dependencies = [
  "base58",
  "bitflags",
@@ -6688,7 +6574,7 @@ dependencies = [
 [[package]]
 name = "sp-core-hashing"
 version = "4.0.0"
-source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.20#563f4820d8f36d256ada7ea3fef46b2e94c4cd5a"
+source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.19#174735ea1bb5fc4513519c45181d8df63d86f613"
 dependencies = [
  "blake2 0.10.4",
  "byteorder",
@@ -6702,7 +6588,7 @@ dependencies = [
 [[package]]
 name = "sp-core-hashing-proc-macro"
 version = "5.0.0"
-source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.20#563f4820d8f36d256ada7ea3fef46b2e94c4cd5a"
+source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.19#174735ea1bb5fc4513519c45181d8df63d86f613"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -6713,7 +6599,7 @@ dependencies = [
 [[package]]
 name = "sp-database"
 version = "4.0.0-dev"
-source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.20#563f4820d8f36d256ada7ea3fef46b2e94c4cd5a"
+source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.19#174735ea1bb5fc4513519c45181d8df63d86f613"
 dependencies = [
  "kvdb",
  "parking_lot 0.12.0",
@@ -6722,7 +6608,7 @@ dependencies = [
 [[package]]
 name = "sp-debug-derive"
 version = "4.0.0"
-source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.20#563f4820d8f36d256ada7ea3fef46b2e94c4cd5a"
+source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.19#174735ea1bb5fc4513519c45181d8df63d86f613"
 dependencies = [
  "proc-macro2",
  "quote",
@@ -6732,7 +6618,7 @@ dependencies = [
 [[package]]
 name = "sp-externalities"
 version = "0.12.0"
-source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.20#563f4820d8f36d256ada7ea3fef46b2e94c4cd5a"
+source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.19#174735ea1bb5fc4513519c45181d8df63d86f613"
 dependencies = [
  "environmental",
  "parity-scale-codec",
@@ -6743,7 +6629,7 @@ dependencies = [
 [[package]]
 name = "sp-finality-grandpa"
 version = "4.0.0-dev"
-source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.20#563f4820d8f36d256ada7ea3fef46b2e94c4cd5a"
+source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.19#174735ea1bb5fc4513519c45181d8df63d86f613"
 dependencies = [
  "finality-grandpa",
  "log",
@@ -6761,7 +6647,7 @@ dependencies = [
 [[package]]
 name = "sp-inherents"
 version = "4.0.0-dev"
-source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.20#563f4820d8f36d256ada7ea3fef46b2e94c4cd5a"
+source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.19#174735ea1bb5fc4513519c45181d8df63d86f613"
 dependencies = [
  "async-trait",
  "impl-trait-for-tuples",
@@ -6775,7 +6661,7 @@ dependencies = [
 [[package]]
 name = "sp-io"
 version = "6.0.0"
-source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.20#563f4820d8f36d256ada7ea3fef46b2e94c4cd5a"
+source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.19#174735ea1bb5fc4513519c45181d8df63d86f613"
 dependencies = [
  "futures 0.3.21",
  "hash-db",
@@ -6800,7 +6686,7 @@ dependencies = [
 [[package]]
 name = "sp-keyring"
 version = "6.0.0"
-source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.20#563f4820d8f36d256ada7ea3fef46b2e94c4cd5a"
+source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.19#174735ea1bb5fc4513519c45181d8df63d86f613"
 dependencies = [
  "lazy_static",
  "sp-core",
@@ -6811,7 +6697,7 @@ dependencies = [
 [[package]]
 name = "sp-keystore"
 version = "0.12.0"
-source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.20#563f4820d8f36d256ada7ea3fef46b2e94c4cd5a"
+source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.19#174735ea1bb5fc4513519c45181d8df63d86f613"
 dependencies = [
  "async-trait",
  "futures 0.3.21",
@@ -6828,7 +6714,7 @@ dependencies = [
 [[package]]
 name = "sp-maybe-compressed-blob"
 version = "4.1.0-dev"
-source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.20#563f4820d8f36d256ada7ea3fef46b2e94c4cd5a"
+source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.19#174735ea1bb5fc4513519c45181d8df63d86f613"
 dependencies = [
  "thiserror",
  "zstd",
@@ -6837,7 +6723,7 @@ dependencies = [
 [[package]]
 name = "sp-offchain"
 version = "4.0.0-dev"
-source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.20#563f4820d8f36d256ada7ea3fef46b2e94c4cd5a"
+source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.19#174735ea1bb5fc4513519c45181d8df63d86f613"
 dependencies = [
  "sp-api",
  "sp-core",
@@ -6847,7 +6733,7 @@ dependencies = [
 [[package]]
 name = "sp-panic-handler"
 version = "4.0.0"
-source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.20#563f4820d8f36d256ada7ea3fef46b2e94c4cd5a"
+source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.19#174735ea1bb5fc4513519c45181d8df63d86f613"
 dependencies = [
  "backtrace",
  "lazy_static",
@@ -6857,7 +6743,7 @@ dependencies = [
 [[package]]
 name = "sp-rpc"
 version = "6.0.0"
-source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.20#563f4820d8f36d256ada7ea3fef46b2e94c4cd5a"
+source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.19#174735ea1bb5fc4513519c45181d8df63d86f613"
 dependencies = [
  "rustc-hash",
  "serde",
@@ -6867,7 +6753,7 @@ dependencies = [
 [[package]]
 name = "sp-runtime"
 version = "6.0.0"
-source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.20#563f4820d8f36d256ada7ea3fef46b2e94c4cd5a"
+source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.19#174735ea1bb5fc4513519c45181d8df63d86f613"
 dependencies = [
  "either",
  "hash256-std-hasher",
@@ -6889,7 +6775,7 @@ dependencies = [
 [[package]]
 name = "sp-runtime-interface"
 version = "6.0.0"
-source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.20#563f4820d8f36d256ada7ea3fef46b2e94c4cd5a"
+source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.19#174735ea1bb5fc4513519c45181d8df63d86f613"
 dependencies = [
  "impl-trait-for-tuples",
  "parity-scale-codec",
@@ -6906,7 +6792,7 @@ dependencies = [
 [[package]]
 name = "sp-runtime-interface-proc-macro"
 version = "5.0.0"
-source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.20#563f4820d8f36d256ada7ea3fef46b2e94c4cd5a"
+source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.19#174735ea1bb5fc4513519c45181d8df63d86f613"
 dependencies = [
  "Inflector",
  "proc-macro-crate 1.1.3",
@@ -6918,7 +6804,7 @@ dependencies = [
 [[package]]
 name = "sp-sandbox"
 version = "0.10.0-dev"
-source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.20#563f4820d8f36d256ada7ea3fef46b2e94c4cd5a"
+source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.19#174735ea1bb5fc4513519c45181d8df63d86f613"
 dependencies = [
  "log",
  "parity-scale-codec",
@@ -6932,7 +6818,7 @@ dependencies = [
 [[package]]
 name = "sp-serializer"
 version = "4.0.0-dev"
-source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.20#563f4820d8f36d256ada7ea3fef46b2e94c4cd5a"
+source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.19#174735ea1bb5fc4513519c45181d8df63d86f613"
 dependencies = [
  "serde",
  "serde_json",
@@ -6941,7 +6827,7 @@ dependencies = [
 [[package]]
 name = "sp-session"
 version = "4.0.0-dev"
-source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.20#563f4820d8f36d256ada7ea3fef46b2e94c4cd5a"
+source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.19#174735ea1bb5fc4513519c45181d8df63d86f613"
 dependencies = [
  "parity-scale-codec",
  "scale-info",
@@ -6955,7 +6841,7 @@ dependencies = [
 [[package]]
 name = "sp-staking"
 version = "4.0.0-dev"
-source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.20#563f4820d8f36d256ada7ea3fef46b2e94c4cd5a"
+source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.19#174735ea1bb5fc4513519c45181d8df63d86f613"
 dependencies = [
  "parity-scale-codec",
  "scale-info",
@@ -6966,7 +6852,7 @@ dependencies = [
 [[package]]
 name = "sp-state-machine"
 version = "0.12.0"
-source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.20#563f4820d8f36d256ada7ea3fef46b2e94c4cd5a"
+source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.19#174735ea1bb5fc4513519c45181d8df63d86f613"
 dependencies = [
  "hash-db",
  "log",
@@ -6988,12 +6874,12 @@ dependencies = [
 [[package]]
 name = "sp-std"
 version = "4.0.0"
-source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.20#563f4820d8f36d256ada7ea3fef46b2e94c4cd5a"
+source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.19#174735ea1bb5fc4513519c45181d8df63d86f613"
 
 [[package]]
 name = "sp-storage"
 version = "6.0.0"
-source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.20#563f4820d8f36d256ada7ea3fef46b2e94c4cd5a"
+source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.19#174735ea1bb5fc4513519c45181d8df63d86f613"
 dependencies = [
  "impl-serde",
  "parity-scale-codec",
@@ -7006,7 +6892,7 @@ dependencies = [
 [[package]]
 name = "sp-tasks"
 version = "4.0.0-dev"
-source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.20#563f4820d8f36d256ada7ea3fef46b2e94c4cd5a"
+source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.19#174735ea1bb5fc4513519c45181d8df63d86f613"
 dependencies = [
  "log",
  "sp-core",
@@ -7019,7 +6905,7 @@ dependencies = [
 [[package]]
 name = "sp-timestamp"
 version = "4.0.0-dev"
-source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.20#563f4820d8f36d256ada7ea3fef46b2e94c4cd5a"
+source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.19#174735ea1bb5fc4513519c45181d8df63d86f613"
 dependencies = [
  "async-trait",
  "futures-timer",
@@ -7035,7 +6921,7 @@ dependencies = [
 [[package]]
 name = "sp-tracing"
 version = "5.0.0"
-source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.20#563f4820d8f36d256ada7ea3fef46b2e94c4cd5a"
+source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.19#174735ea1bb5fc4513519c45181d8df63d86f613"
 dependencies = [
  "parity-scale-codec",
  "sp-std",
@@ -7047,7 +6933,7 @@ dependencies = [
 [[package]]
 name = "sp-transaction-pool"
 version = "4.0.0-dev"
-source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.20#563f4820d8f36d256ada7ea3fef46b2e94c4cd5a"
+source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.19#174735ea1bb5fc4513519c45181d8df63d86f613"
 dependencies = [
  "sp-api",
  "sp-runtime",
@@ -7056,7 +6942,7 @@ dependencies = [
 [[package]]
 name = "sp-transaction-storage-proof"
 version = "4.0.0-dev"
-source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.20#563f4820d8f36d256ada7ea3fef46b2e94c4cd5a"
+source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.19#174735ea1bb5fc4513519c45181d8df63d86f613"
 dependencies = [
  "async-trait",
  "log",
@@ -7072,7 +6958,7 @@ dependencies = [
 [[package]]
 name = "sp-trie"
 version = "6.0.0"
-source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.20#563f4820d8f36d256ada7ea3fef46b2e94c4cd5a"
+source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.19#174735ea1bb5fc4513519c45181d8df63d86f613"
 dependencies = [
  "hash-db",
  "memory-db",
@@ -7088,7 +6974,7 @@ dependencies = [
 [[package]]
 name = "sp-version"
 version = "5.0.0"
-source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.20#563f4820d8f36d256ada7ea3fef46b2e94c4cd5a"
+source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.19#174735ea1bb5fc4513519c45181d8df63d86f613"
 dependencies = [
  "impl-serde",
  "parity-scale-codec",
@@ -7105,7 +6991,7 @@ dependencies = [
 [[package]]
 name = "sp-version-proc-macro"
 version = "4.0.0-dev"
-source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.20#563f4820d8f36d256ada7ea3fef46b2e94c4cd5a"
+source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.19#174735ea1bb5fc4513519c45181d8df63d86f613"
 dependencies = [
  "parity-scale-codec",
  "proc-macro2",
@@ -7116,7 +7002,7 @@ dependencies = [
 [[package]]
 name = "sp-wasm-interface"
 version = "6.0.0"
-source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.20#563f4820d8f36d256ada7ea3fef46b2e94c4cd5a"
+source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.19#174735ea1bb5fc4513519c45181d8df63d86f613"
 dependencies = [
  "impl-trait-for-tuples",
  "log",
@@ -7216,7 +7102,7 @@ dependencies = [
 [[package]]
 name = "substrate-build-script-utils"
 version = "3.0.0"
-source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.20#563f4820d8f36d256ada7ea3fef46b2e94c4cd5a"
+source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.19#174735ea1bb5fc4513519c45181d8df63d86f613"
 dependencies = [
  "platforms",
 ]
@@ -7224,7 +7110,7 @@ dependencies = [
 [[package]]
 name = "substrate-frame-rpc-system"
 version = "4.0.0-dev"
-source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.20#563f4820d8f36d256ada7ea3fef46b2e94c4cd5a"
+source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.19#174735ea1bb5fc4513519c45181d8df63d86f613"
 dependencies = [
  "frame-system-rpc-runtime-api",
  "futures 0.3.21",
@@ -7246,7 +7132,7 @@ dependencies = [
 [[package]]
 name = "substrate-prometheus-endpoint"
 version = "0.10.0-dev"
-source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.20#563f4820d8f36d256ada7ea3fef46b2e94c4cd5a"
+source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.19#174735ea1bb5fc4513519c45181d8df63d86f613"
 dependencies = [
  "futures-util",
  "hyper",
@@ -7259,7 +7145,7 @@ dependencies = [
 [[package]]
 name = "substrate-wasm-builder"
 version = "5.0.0-dev"
-source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.20#563f4820d8f36d256ada7ea3fef46b2e94c4cd5a"
+source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.19#174735ea1bb5fc4513519c45181d8df63d86f613"
 dependencies = [
  "ansi_term",
  "build-helper",
@@ -7400,22 +7286,11 @@ dependencies = [
  "cfg-if 1.0.0",
  "fastrand",
  "libc",
- "redox_syscall 0.2.13",
+ "redox_syscall",
  "remove_dir_all",
  "winapi 0.3.9",
 ]
 
-[[package]]
-name = "term"
-version = "0.5.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "edd106a334b7657c10b7c540a0106114feadeb4dc314513e97df481d5d966f42"
-dependencies = [
- "byteorder",
- "dirs",
- "winapi 0.3.9",
-]
-
 [[package]]
 name = "termcolor"
 version = "1.1.3"
@@ -7800,7 +7675,7 @@ checksum = "59547bce71d9c38b83d9c0e92b6066c4253371f15005def0c30d9657f50c7642"
 [[package]]
 name = "try-runtime-cli"
 version = "0.10.0-dev"
-source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.20#563f4820d8f36d256ada7ea3fef46b2e94c4cd5a"
+source = "git+https://github.com/paritytech/substrate.git?branch=polkadot-v0.9.19#174735ea1bb5fc4513519c45181d8df63d86f613"
 dependencies = [
  "clap",
  "jsonrpsee",
@@ -7894,12 +7769,6 @@ version = "1.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "7e8820f5d777f6224dc4be3632222971ac30164d4a258d595640799554ebfd99"
 
-[[package]]
-name = "unicode-width"
-version = "0.1.9"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3ed742d4ea2bd1176e236172c8429aaf54486e7ac098db29ffe6529e0ce50973"
-
 [[package]]
 name = "unicode-xid"
 version = "0.2.3"
@@ -8182,30 +8051,31 @@ dependencies = [
 
 [[package]]
 name = "wasmparser"
-version = "0.83.0"
+version = "0.81.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "718ed7c55c2add6548cca3ddd6383d738cd73b892df400e96b9aa876f0141d7a"
+checksum = "98930446519f63d00a836efdc22f67766ceae8dbcc1571379f2bcabc6b2b9abc"
 
 [[package]]
 name = "wasmtime"
-version = "0.35.3"
+version = "0.33.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "21ffb4705016d5ca91e18a72ed6822dab50e6d5ddd7045461b17ef19071cdef1"
+checksum = "4c9c724da92e39a85d2231d4c2a942c8be295211441dbca581c6c3f3f45a9f00"
 dependencies = [
  "anyhow",
  "backtrace",
  "bincode",
  "cfg-if 1.0.0",
+ "cpp_demangle",
  "indexmap",
  "lazy_static",
  "libc",
  "log",
  "object 0.27.1",
- "once_cell",
  "paste",
  "psm",
  "rayon",
  "region",
+ "rustc-demangle",
  "serde",
  "target-lexicon",
  "wasmparser",
@@ -8219,9 +8089,9 @@ dependencies = [
 
 [[package]]
 name = "wasmtime-cache"
-version = "0.35.3"
+version = "0.33.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "85c6ab24291fa7cb3a181f5669f6c72599b7ef781669759b45c7828c5999d0c0"
+checksum = "da4439d99100298344567c0eb6916ad5864e99e54760b8177c427e529077fb30"
 dependencies = [
  "anyhow",
  "base64",
@@ -8239,9 +8109,9 @@ dependencies = [
 
 [[package]]
 name = "wasmtime-cranelift"
-version = "0.35.3"
+version = "0.33.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f04c810078a491b7bc4866ebe045f714d2b95e6b539e1f64009a4a7606be11de"
+checksum = "1762765dd69245f00e5d9783b695039e449a7be0f9c5383e4c78465dd6131aeb"
 dependencies = [
  "anyhow",
  "cranelift-codegen",
@@ -8261,9 +8131,9 @@ dependencies = [
 
 [[package]]
 name = "wasmtime-environ"
-version = "0.35.3"
+version = "0.33.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "61448266ea164b1ac406363cdcfac81c7c44db4d94c7a81c8620ac6c5c6cdf59"
+checksum = "c4468301d95ec71710bb6261382efe27d1296447711645e3dbabaea6e4de3504"
 dependencies = [
  "anyhow",
  "cranelift-entity",
@@ -8281,52 +8151,38 @@ dependencies = [
 
 [[package]]
 name = "wasmtime-jit"
-version = "0.35.3"
+version = "0.33.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "156b4623c6b0d4b8c24afb846c20525922f538ef464cc024abab7ea8de2109a2"
+checksum = "ab0ae6e581ff014b470ec35847ea3c0b4c3ace89a55df5a04c802a11f4574e7d"
 dependencies = [
  "addr2line",
  "anyhow",
  "bincode",
  "cfg-if 1.0.0",
- "cpp_demangle",
  "gimli",
- "log",
  "object 0.27.1",
  "region",
- "rustc-demangle",
  "rustix",
  "serde",
  "target-lexicon",
  "thiserror",
  "wasmtime-environ",
- "wasmtime-jit-debug",
  "wasmtime-runtime",
  "winapi 0.3.9",
 ]
 
-[[package]]
-name = "wasmtime-jit-debug"
-version = "0.35.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "d5dc31f811760a6c76b2672c404866fd19b75e5fb3b0075a3e377a6846490654"
-dependencies = [
- "lazy_static",
- "object 0.27.1",
- "rustix",
-]
-
 [[package]]
 name = "wasmtime-runtime"
-version = "0.35.3"
+version = "0.33.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "f907beaff69d4d920fa4688411ee4cc75c0f01859e424677f9e426e2ef749864"
+checksum = "6d9c28877ae37a367cda7b52b8887589816152e95dde9b7c80cc686f52761961"
 dependencies = [
  "anyhow",
  "backtrace",
  "cc",
  "cfg-if 1.0.0",
  "indexmap",
+ "lazy_static",
  "libc",
  "log",
  "mach",
@@ -8337,15 +8193,14 @@ dependencies = [
  "rustix",
  "thiserror",
  "wasmtime-environ",
- "wasmtime-jit-debug",
  "winapi 0.3.9",
 ]
 
 [[package]]
 name = "wasmtime-types"
-version = "0.35.3"
+version = "0.33.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "514ef0e5fd197b9609dc9eb74beba0c84d5a12b2417cbae55534633329ba4852"
+checksum = "395726e8f5dd8c57cb0db445627b842343f7e29ed7489467fdf7953ed9d3cd4f"
 dependencies = [
  "cranelift-entity",
  "serde",
@@ -8589,18 +8444,18 @@ dependencies = [
 
 [[package]]
 name = "zstd"
-version = "0.10.0+zstd.1.5.2"
+version = "0.9.2+zstd.1.5.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3b1365becbe415f3f0fcd024e2f7b45bacfb5bdd055f0dc113571394114e7bdd"
+checksum = "2390ea1bf6c038c39674f22d95f0564725fc06034a47129179810b2fc58caa54"
 dependencies = [
  "zstd-safe",
 ]
 
 [[package]]
 name = "zstd-safe"
-version = "4.1.4+zstd.1.5.2"
+version = "4.1.3+zstd.1.5.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "2f7cd17c9af1a4d6c24beb1cc54b17e2ef7b593dc92f19e9d9acad8b182bbaee"
+checksum = "e99d81b99fb3c2c2c794e3fe56c305c63d5173a16a46b5850b07c935ffc7db79"
 dependencies = [
  "libc",
  "zstd-sys",
@@ -8608,9 +8463,9 @@ dependencies = [
 
 [[package]]
 name = "zstd-sys"
-version = "1.6.3+zstd.1.5.2"
+version = "1.6.2+zstd.1.5.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "fc49afa5c8d634e75761feda8c592051e7eeb4683ba827211eb0d731d3402ea8"
+checksum = "2daf2f248d9ea44454bfcb2516534e8b8ad2fc91bf818a1885495fc42bc8ac9f"
 dependencies = [
  "cc",
  "libc",
diff --git a/node/Cargo.toml b/node/Cargo.toml
index 03de971..f183977 100644
--- a/node/Cargo.toml
+++ b/node/Cargo.toml
@@ -21,51 +21,51 @@ log = { version = "0.4.8" }
 futures = { version = '0.3.1' }
 clap = { version = "3.1.6", features = ["derive"] }
 
-sc-cli = { version = "0.10.0-dev", git = "https://github.com/paritytech/substrate.git", branch = "polkadot-v0.9.20", features = ["wasmtime"] }
-sp-core = { version = "6.0.0", git = "https://github.com/paritytech/substrate.git", branch = "polkadot-v0.9.20" }
-sc-executor = { version = "0.10.0-dev", git = "https://github.com/paritytech/substrate.git", branch = "polkadot-v0.9.20", features = ["wasmtime"]  }
-sc-service = { version = "0.10.0-dev", git = "https://github.com/paritytech/substrate.git", branch = "polkadot-v0.9.20", features = ["wasmtime"]  }
-sc-telemetry = { version = "4.0.0-dev", git = "https://github.com/paritytech/substrate.git", branch = "polkadot-v0.9.20" }
-sc-keystore = { version = "4.0.0-dev", git = "https://github.com/paritytech/substrate.git", branch = "polkadot-v0.9.20" }
-sc-transaction-pool = { version = "4.0.0-dev", git = "https://github.com/paritytech/substrate.git", branch = "polkadot-v0.9.20" }
-sc-transaction-pool-api = { version = "4.0.0-dev", git = "https://github.com/paritytech/substrate.git", branch = "polkadot-v0.9.20" }
-sc-consensus = { version = "0.10.0-dev", git = "https://github.com/paritytech/substrate.git", branch = "polkadot-v0.9.20" }
-sp-consensus = { version = "0.10.0-dev", git = "https://github.com/paritytech/substrate.git", branch = "polkadot-v0.9.20" }
-sc-consensus-manual-seal = { version = "0.10.0-dev", git = "https://github.com/paritytech/substrate.git", branch = "polkadot-v0.9.20" }
-sc-client-api = { version = "4.0.0-dev", git = "https://github.com/paritytech/substrate.git", branch = "polkadot-v0.9.20" }
-sp-runtime = { version = "6.0.0", git = "https://github.com/paritytech/substrate.git", branch = "polkadot-v0.9.20" }
-sp-timestamp = { version = "4.0.0-dev", git = "https://github.com/paritytech/substrate.git", branch = "polkadot-v0.9.20" }
-sp-inherents = { version = "4.0.0-dev", git = "https://github.com/paritytech/substrate.git", branch = "polkadot-v0.9.20" }
-sp-keyring = { version = "6.0.0", git = "https://github.com/paritytech/substrate.git", branch = "polkadot-v0.9.20" }
-frame-system = { version = "4.0.0-dev", git = "https://github.com/paritytech/substrate.git", branch = "polkadot-v0.9.20" }
-pallet-transaction-payment = { version = "4.0.0-dev", default-features = false, git = "https://github.com/paritytech/substrate.git", branch = "polkadot-v0.9.20" }
+sc-cli = { version = "0.10.0-dev", git = "https://github.com/paritytech/substrate.git", branch = "polkadot-v0.9.19", features = ["wasmtime"] }
+sp-core = { version = "6.0.0", git = "https://github.com/paritytech/substrate.git", branch = "polkadot-v0.9.19" }
+sc-executor = { version = "0.10.0-dev", git = "https://github.com/paritytech/substrate.git", branch = "polkadot-v0.9.19", features = ["wasmtime"]  }
+sc-service = { version = "0.10.0-dev", git = "https://github.com/paritytech/substrate.git", branch = "polkadot-v0.9.19", features = ["wasmtime"]  }
+sc-telemetry = { version = "4.0.0-dev", git = "https://github.com/paritytech/substrate.git", branch = "polkadot-v0.9.19" }
+sc-keystore = { version = "4.0.0-dev", git = "https://github.com/paritytech/substrate.git", branch = "polkadot-v0.9.19" }
+sc-transaction-pool = { version = "4.0.0-dev", git = "https://github.com/paritytech/substrate.git", branch = "polkadot-v0.9.19" }
+sc-transaction-pool-api = { version = "4.0.0-dev", git = "https://github.com/paritytech/substrate.git", branch = "polkadot-v0.9.19" }
+sc-consensus = { version = "0.10.0-dev", git = "https://github.com/paritytech/substrate.git", branch = "polkadot-v0.9.19" }
+sp-consensus = { version = "0.10.0-dev", git = "https://github.com/paritytech/substrate.git", branch = "polkadot-v0.9.19" }
+sc-consensus-manual-seal = { version = "0.10.0-dev", git = "https://github.com/paritytech/substrate.git", branch = "polkadot-v0.9.19" }
+sc-client-api = { version = "4.0.0-dev", git = "https://github.com/paritytech/substrate.git", branch = "polkadot-v0.9.19" }
+sp-runtime = { version = "6.0.0", git = "https://github.com/paritytech/substrate.git", branch = "polkadot-v0.9.19" }
+sp-timestamp = { version = "4.0.0-dev", git = "https://github.com/paritytech/substrate.git", branch = "polkadot-v0.9.19" }
+sp-inherents = { version = "4.0.0-dev", git = "https://github.com/paritytech/substrate.git", branch = "polkadot-v0.9.19" }
+sp-keyring = { version = "6.0.0", git = "https://github.com/paritytech/substrate.git", branch = "polkadot-v0.9.19" }
+frame-system = { version = "4.0.0-dev", git = "https://github.com/paritytech/substrate.git", branch = "polkadot-v0.9.19" }
+pallet-transaction-payment = { version = "4.0.0-dev", default-features = false, git = "https://github.com/paritytech/substrate.git", branch = "polkadot-v0.9.19" }
 
 # Contracts specific packages
-pallet-contracts-rpc = { version = "4.0.0-dev", default-features = false, git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.20" }
+pallet-contracts-rpc = { version = "4.0.0-dev", default-features = false, git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.19" }
 
 # These dependencies are used for the node template's RPCs
 jsonrpc-core = "18.0.0"
-sc-rpc = { version = "4.0.0-dev", git = "https://github.com/paritytech/substrate.git", branch = "polkadot-v0.9.20" }
-sp-api = { version = "4.0.0-dev", git = "https://github.com/paritytech/substrate.git", branch = "polkadot-v0.9.20" }
-sc-rpc-api = { version = "0.10.0-dev", git = "https://github.com/paritytech/substrate.git", branch = "polkadot-v0.9.20" }
-sp-blockchain = { version = "4.0.0-dev", git = "https://github.com/paritytech/substrate.git", branch = "polkadot-v0.9.20" }
-sp-block-builder = { version = "4.0.0-dev", git = "https://github.com/paritytech/substrate.git", branch = "polkadot-v0.9.20" }
-sc-basic-authorship = { version = "0.10.0-dev", git = "https://github.com/paritytech/substrate.git", branch = "polkadot-v0.9.20" }
-substrate-frame-rpc-system = { version = "4.0.0-dev", git = "https://github.com/paritytech/substrate.git", branch = "polkadot-v0.9.20" }
-pallet-transaction-payment-rpc = { version = "4.0.0-dev", git = "https://github.com/paritytech/substrate.git", branch = "polkadot-v0.9.20" }
+sc-rpc = { version = "4.0.0-dev", git = "https://github.com/paritytech/substrate.git", branch = "polkadot-v0.9.19" }
+sp-api = { version = "4.0.0-dev", git = "https://github.com/paritytech/substrate.git", branch = "polkadot-v0.9.19" }
+sc-rpc-api = { version = "0.10.0-dev", git = "https://github.com/paritytech/substrate.git", branch = "polkadot-v0.9.19" }
+sp-blockchain = { version = "4.0.0-dev", git = "https://github.com/paritytech/substrate.git", branch = "polkadot-v0.9.19" }
+sp-block-builder = { version = "4.0.0-dev", git = "https://github.com/paritytech/substrate.git", branch = "polkadot-v0.9.19" }
+sc-basic-authorship = { version = "0.10.0-dev", git = "https://github.com/paritytech/substrate.git", branch = "polkadot-v0.9.19" }
+substrate-frame-rpc-system = { version = "4.0.0-dev", git = "https://github.com/paritytech/substrate.git", branch = "polkadot-v0.9.19" }
+pallet-transaction-payment-rpc = { version = "4.0.0-dev", git = "https://github.com/paritytech/substrate.git", branch = "polkadot-v0.9.19" }
 
 # These dependencies are used for runtime benchmarking
-frame-benchmarking = { version = "4.0.0-dev", git = "https://github.com/paritytech/substrate.git", branch = "polkadot-v0.9.20" }
-frame-benchmarking-cli = { version = "4.0.0-dev", git = "https://github.com/paritytech/substrate.git", branch = "polkadot-v0.9.20" }
+frame-benchmarking = { version = "4.0.0-dev", git = "https://github.com/paritytech/substrate.git", branch = "polkadot-v0.9.19" }
+frame-benchmarking-cli = { version = "4.0.0-dev", git = "https://github.com/paritytech/substrate.git", branch = "polkadot-v0.9.19" }
 
 # Local Dependencies
 swanky-runtime = { version = "4.0.0-dev", path = "../runtime" }
 
 # CLI-specific dependencies
-try-runtime-cli = { version = "0.10.0-dev", optional = true, git = "https://github.com/paritytech/substrate.git", branch = "polkadot-v0.9.20" }
+try-runtime-cli = { version = "0.10.0-dev", optional = true, git = "https://github.com/paritytech/substrate.git", branch = "polkadot-v0.9.19" }
 
 [build-dependencies]
-substrate-build-script-utils = { version = "3.0.0", git = "https://github.com/paritytech/substrate.git", branch = "polkadot-v0.9.20" }
+substrate-build-script-utils = { version = "3.0.0", git = "https://github.com/paritytech/substrate.git", branch = "polkadot-v0.9.19" }
 
 [features]
 default = []
diff --git a/node/src/command.rs b/node/src/command.rs
index 4fd63e6..464447c 100644
--- a/node/src/command.rs
+++ b/node/src/command.rs
@@ -137,7 +137,8 @@ pub fn run() -> sc_cli::Result<()> {
 
 						cmd.run(config, client, inherent_benchmark_data()?, Arc::new(ext_builder))
 					},
-					BenchmarkCmd::Machine(cmd) => cmd.run(&config),
+					/* BenchmarkCmd::Machine is not available in polkadot-v0.9.19
+					 * BenchmarkCmd::Machine(cmd) => cmd.run(&config) */
 				}
 			})
 		},
diff --git a/runtime/Cargo.toml b/runtime/Cargo.toml
index cef682c..3e36c78 100644
--- a/runtime/Cargo.toml
+++ b/runtime/Cargo.toml
@@ -16,42 +16,42 @@ targets = ["x86_64-unknown-linux-gnu"]
 codec = { package = "parity-scale-codec", version = "3.0.0", default-features = false, features = ["derive"] }
 scale-info = { version = "2.0.1", default-features = false, features = ["derive"] }
 
-pallet-balances = { version = "4.0.0-dev", default-features = false, git = "https://github.com/paritytech/substrate.git", branch = "polkadot-v0.9.20" }
-frame-support = { version = "4.0.0-dev", default-features = false, git = "https://github.com/paritytech/substrate.git", branch = "polkadot-v0.9.20" }
-pallet-randomness-collective-flip = { version = "4.0.0-dev", default-features = false, git = "https://github.com/paritytech/substrate.git", branch = "polkadot-v0.9.20" }
-pallet-sudo = { version = "4.0.0-dev", default-features = false, git = "https://github.com/paritytech/substrate.git", branch = "polkadot-v0.9.20" }
-frame-system = { version = "4.0.0-dev", default-features = false, git = "https://github.com/paritytech/substrate.git", branch = "polkadot-v0.9.20" }
-frame-try-runtime = { version = "0.10.0-dev", default-features = false, git = "https://github.com/paritytech/substrate.git", branch = "polkadot-v0.9.20", optional = true }
-pallet-timestamp = { version = "4.0.0-dev", default-features = false, git = "https://github.com/paritytech/substrate.git", branch = "polkadot-v0.9.20" }
-pallet-transaction-payment = { version = "4.0.0-dev", default-features = false, git = "https://github.com/paritytech/substrate.git", branch = "polkadot-v0.9.20" }
-frame-executive = { version = "4.0.0-dev", default-features = false, git = "https://github.com/paritytech/substrate.git", branch = "polkadot-v0.9.20" }
-sp-api = { version = "4.0.0-dev", default-features = false, git = "https://github.com/paritytech/substrate.git", branch = "polkadot-v0.9.20" }
-sp-block-builder = {  version = "4.0.0-dev", default-features = false, git = "https://github.com/paritytech/substrate.git", branch = "polkadot-v0.9.20"}
-sp-core = { version = "6.0.0", default-features = false, git = "https://github.com/paritytech/substrate.git", branch = "polkadot-v0.9.20" }
-sp-inherents = { version = "4.0.0-dev", default-features = false, git = "https://github.com/paritytech/substrate.git", branch = "polkadot-v0.9.20"}
-sp-offchain = { version = "4.0.0-dev", default-features = false, git = "https://github.com/paritytech/substrate.git", branch = "polkadot-v0.9.20" }
-sp-runtime = { version = "6.0.0", default-features = false, git = "https://github.com/paritytech/substrate.git", branch = "polkadot-v0.9.20" }
-sp-session = { version = "4.0.0-dev", default-features = false, git = "https://github.com/paritytech/substrate.git", branch = "polkadot-v0.9.20" }
-sp-std = { version = "4.0.0-dev", default-features = false, git = "https://github.com/paritytech/substrate.git", branch = "polkadot-v0.9.20" }
-sp-transaction-pool = { version = "4.0.0-dev", default-features = false, git = "https://github.com/paritytech/substrate.git", branch = "polkadot-v0.9.20" }
-sp-version = { version = "5.0.0", default-features = false, git = "https://github.com/paritytech/substrate.git", branch = "polkadot-v0.9.20" }
+pallet-balances = { version = "4.0.0-dev", default-features = false, git = "https://github.com/paritytech/substrate.git", branch = "polkadot-v0.9.19" }
+frame-support = { version = "4.0.0-dev", default-features = false, git = "https://github.com/paritytech/substrate.git", branch = "polkadot-v0.9.19" }
+pallet-randomness-collective-flip = { version = "4.0.0-dev", default-features = false, git = "https://github.com/paritytech/substrate.git", branch = "polkadot-v0.9.19" }
+pallet-sudo = { version = "4.0.0-dev", default-features = false, git = "https://github.com/paritytech/substrate.git", branch = "polkadot-v0.9.19" }
+frame-system = { version = "4.0.0-dev", default-features = false, git = "https://github.com/paritytech/substrate.git", branch = "polkadot-v0.9.19" }
+frame-try-runtime = { version = "0.10.0-dev", default-features = false, git = "https://github.com/paritytech/substrate.git", branch = "polkadot-v0.9.19", optional = true }
+pallet-timestamp = { version = "4.0.0-dev", default-features = false, git = "https://github.com/paritytech/substrate.git", branch = "polkadot-v0.9.19" }
+pallet-transaction-payment = { version = "4.0.0-dev", default-features = false, git = "https://github.com/paritytech/substrate.git", branch = "polkadot-v0.9.19" }
+frame-executive = { version = "4.0.0-dev", default-features = false, git = "https://github.com/paritytech/substrate.git", branch = "polkadot-v0.9.19" }
+sp-api = { version = "4.0.0-dev", default-features = false, git = "https://github.com/paritytech/substrate.git", branch = "polkadot-v0.9.19" }
+sp-block-builder = {  version = "4.0.0-dev", default-features = false, git = "https://github.com/paritytech/substrate.git", branch = "polkadot-v0.9.19"}
+sp-core = { version = "6.0.0", default-features = false, git = "https://github.com/paritytech/substrate.git", branch = "polkadot-v0.9.19" }
+sp-inherents = { version = "4.0.0-dev", default-features = false, git = "https://github.com/paritytech/substrate.git", branch = "polkadot-v0.9.19"}
+sp-offchain = { version = "4.0.0-dev", default-features = false, git = "https://github.com/paritytech/substrate.git", branch = "polkadot-v0.9.19" }
+sp-runtime = { version = "6.0.0", default-features = false, git = "https://github.com/paritytech/substrate.git", branch = "polkadot-v0.9.19" }
+sp-session = { version = "4.0.0-dev", default-features = false, git = "https://github.com/paritytech/substrate.git", branch = "polkadot-v0.9.19" }
+sp-std = { version = "4.0.0-dev", default-features = false, git = "https://github.com/paritytech/substrate.git", branch = "polkadot-v0.9.19" }
+sp-transaction-pool = { version = "4.0.0-dev", default-features = false, git = "https://github.com/paritytech/substrate.git", branch = "polkadot-v0.9.19" }
+sp-version = { version = "5.0.0", default-features = false, git = "https://github.com/paritytech/substrate.git", branch = "polkadot-v0.9.19" }
 
 # Contracts specific packages
-pallet-contracts = { version = "4.0.0-dev", default-features = false, git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.20"}
-pallet-contracts-primitives = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.20", default-features = false }
-pallet-contracts-rpc-runtime-api = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.20", default-features = false }
+pallet-contracts = { version = "4.0.0-dev", default-features = false, git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.19"}
+pallet-contracts-primitives = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.19", default-features = false }
+pallet-contracts-rpc-runtime-api = { git = "https://github.com/paritytech/substrate", branch = "polkadot-v0.9.19", default-features = false }
 
 # Used for the node template's RPCs
-frame-system-rpc-runtime-api = { version = "4.0.0-dev", default-features = false, git = "https://github.com/paritytech/substrate.git", branch = "polkadot-v0.9.20" }
-pallet-transaction-payment-rpc-runtime-api = { version = "4.0.0-dev", default-features = false, git = "https://github.com/paritytech/substrate.git", branch = "polkadot-v0.9.20" }
+frame-system-rpc-runtime-api = { version = "4.0.0-dev", default-features = false, git = "https://github.com/paritytech/substrate.git", branch = "polkadot-v0.9.19" }
+pallet-transaction-payment-rpc-runtime-api = { version = "4.0.0-dev", default-features = false, git = "https://github.com/paritytech/substrate.git", branch = "polkadot-v0.9.19" }
 
 # Used for runtime benchmarking
-frame-benchmarking = { version = "4.0.0-dev", default-features = false, git = "https://github.com/paritytech/substrate.git", branch = "polkadot-v0.9.20", optional = true }
-frame-system-benchmarking = { version = "4.0.0-dev", default-features = false, git = "https://github.com/paritytech/substrate.git", branch = "polkadot-v0.9.20", optional = true }
+frame-benchmarking = { version = "4.0.0-dev", default-features = false, git = "https://github.com/paritytech/substrate.git", branch = "polkadot-v0.9.19", optional = true }
+frame-system-benchmarking = { version = "4.0.0-dev", default-features = false, git = "https://github.com/paritytech/substrate.git", branch = "polkadot-v0.9.19", optional = true }
 hex-literal = { version = "0.3.4", optional = true }
 
 [build-dependencies]
-substrate-wasm-builder = { version = "5.0.0-dev", git = "https://github.com/paritytech/substrate.git", branch = "polkadot-v0.9.20" }
+substrate-wasm-builder = { version = "5.0.0-dev", git = "https://github.com/paritytech/substrate.git", branch = "polkadot-v0.9.19" }
 
 [features]
 default = [