diff --git a/polkadot/Cargo.lock b/polkadot/Cargo.lock
index 44dc59e5ef..bffc55f98f 100644
--- a/polkadot/Cargo.lock
+++ b/polkadot/Cargo.lock
@@ -1224,7 +1224,7 @@ checksum = "3f9eec918d3f24069decb9af1554cad7c880e2da24a9afd88aca000531ab82c1"
 [[package]]
 name = "fork-tree"
 version = "2.0.0-rc2"
-source = "git+https://github.com/paritytech/substrate#cd305af2a9f8ec7d13081b6dc6807014b207dab8"
+source = "git+https://github.com/paritytech/substrate#342caad3074076a4fde0472719f6a473df839e42"
 dependencies = [
  "parity-scale-codec",
 ]
@@ -1232,7 +1232,7 @@ dependencies = [
 [[package]]
 name = "frame-benchmarking"
 version = "2.0.0-rc2"
-source = "git+https://github.com/paritytech/substrate#cd305af2a9f8ec7d13081b6dc6807014b207dab8"
+source = "git+https://github.com/paritytech/substrate#342caad3074076a4fde0472719f6a473df839e42"
 dependencies = [
  "frame-support",
  "frame-system",
@@ -1249,7 +1249,7 @@ dependencies = [
 [[package]]
 name = "frame-benchmarking-cli"
 version = "2.0.0-rc2"
-source = "git+https://github.com/paritytech/substrate#cd305af2a9f8ec7d13081b6dc6807014b207dab8"
+source = "git+https://github.com/paritytech/substrate#342caad3074076a4fde0472719f6a473df839e42"
 dependencies = [
  "frame-benchmarking",
  "parity-scale-codec",
@@ -1267,7 +1267,7 @@ dependencies = [
 [[package]]
 name = "frame-executive"
 version = "2.0.0-rc2"
-source = "git+https://github.com/paritytech/substrate#cd305af2a9f8ec7d13081b6dc6807014b207dab8"
+source = "git+https://github.com/paritytech/substrate#342caad3074076a4fde0472719f6a473df839e42"
 dependencies = [
  "frame-support",
  "frame-system",
@@ -1282,7 +1282,7 @@ dependencies = [
 [[package]]
 name = "frame-metadata"
 version = "11.0.0-rc2"
-source = "git+https://github.com/paritytech/substrate#cd305af2a9f8ec7d13081b6dc6807014b207dab8"
+source = "git+https://github.com/paritytech/substrate#342caad3074076a4fde0472719f6a473df839e42"
 dependencies = [
  "parity-scale-codec",
  "serde",
@@ -1293,7 +1293,7 @@ dependencies = [
 [[package]]
 name = "frame-support"
 version = "2.0.0-rc2"
-source = "git+https://github.com/paritytech/substrate#cd305af2a9f8ec7d13081b6dc6807014b207dab8"
+source = "git+https://github.com/paritytech/substrate#342caad3074076a4fde0472719f6a473df839e42"
 dependencies = [
  "bitmask",
  "frame-metadata",
@@ -1318,7 +1318,7 @@ dependencies = [
 [[package]]
 name = "frame-support-procedural"
 version = "2.0.0-rc2"
-source = "git+https://github.com/paritytech/substrate#cd305af2a9f8ec7d13081b6dc6807014b207dab8"
+source = "git+https://github.com/paritytech/substrate#342caad3074076a4fde0472719f6a473df839e42"
 dependencies = [
  "frame-support-procedural-tools",
  "proc-macro2 1.0.17",
@@ -1329,7 +1329,7 @@ dependencies = [
 [[package]]
 name = "frame-support-procedural-tools"
 version = "2.0.0-rc2"
-source = "git+https://github.com/paritytech/substrate#cd305af2a9f8ec7d13081b6dc6807014b207dab8"
+source = "git+https://github.com/paritytech/substrate#342caad3074076a4fde0472719f6a473df839e42"
 dependencies = [
  "frame-support-procedural-tools-derive",
  "proc-macro-crate",
@@ -1341,7 +1341,7 @@ dependencies = [
 [[package]]
 name = "frame-support-procedural-tools-derive"
 version = "2.0.0-rc2"
-source = "git+https://github.com/paritytech/substrate#cd305af2a9f8ec7d13081b6dc6807014b207dab8"
+source = "git+https://github.com/paritytech/substrate#342caad3074076a4fde0472719f6a473df839e42"
 dependencies = [
  "proc-macro2 1.0.17",
  "quote 1.0.6",
@@ -1351,7 +1351,7 @@ dependencies = [
 [[package]]
 name = "frame-system"
 version = "2.0.0-rc2"
-source = "git+https://github.com/paritytech/substrate#cd305af2a9f8ec7d13081b6dc6807014b207dab8"
+source = "git+https://github.com/paritytech/substrate#342caad3074076a4fde0472719f6a473df839e42"
 dependencies = [
  "frame-support",
  "impl-trait-for-tuples",
@@ -1367,7 +1367,7 @@ dependencies = [
 [[package]]
 name = "frame-system-benchmarking"
 version = "2.0.0-rc2"
-source = "git+https://github.com/paritytech/substrate#cd305af2a9f8ec7d13081b6dc6807014b207dab8"
+source = "git+https://github.com/paritytech/substrate#342caad3074076a4fde0472719f6a473df839e42"
 dependencies = [
  "frame-benchmarking",
  "frame-support",
@@ -1381,7 +1381,7 @@ dependencies = [
 [[package]]
 name = "frame-system-rpc-runtime-api"
 version = "2.0.0-rc2"
-source = "git+https://github.com/paritytech/substrate#cd305af2a9f8ec7d13081b6dc6807014b207dab8"
+source = "git+https://github.com/paritytech/substrate#342caad3074076a4fde0472719f6a473df839e42"
 dependencies = [
  "parity-scale-codec",
  "sp-api",
@@ -3323,7 +3323,7 @@ dependencies = [
 [[package]]
 name = "pallet-authority-discovery"
 version = "2.0.0-rc2"
-source = "git+https://github.com/paritytech/substrate#cd305af2a9f8ec7d13081b6dc6807014b207dab8"
+source = "git+https://github.com/paritytech/substrate#342caad3074076a4fde0472719f6a473df839e42"
 dependencies = [
  "frame-support",
  "frame-system",
@@ -3339,7 +3339,7 @@ dependencies = [
 [[package]]
 name = "pallet-authorship"
 version = "2.0.0-rc2"
-source = "git+https://github.com/paritytech/substrate#cd305af2a9f8ec7d13081b6dc6807014b207dab8"
+source = "git+https://github.com/paritytech/substrate#342caad3074076a4fde0472719f6a473df839e42"
 dependencies = [
  "frame-support",
  "frame-system",
@@ -3354,7 +3354,7 @@ dependencies = [
 [[package]]
 name = "pallet-babe"
 version = "2.0.0-rc2"
-source = "git+https://github.com/paritytech/substrate#cd305af2a9f8ec7d13081b6dc6807014b207dab8"
+source = "git+https://github.com/paritytech/substrate#342caad3074076a4fde0472719f6a473df839e42"
 dependencies = [
  "frame-support",
  "frame-system",
@@ -3376,7 +3376,7 @@ dependencies = [
 [[package]]
 name = "pallet-balances"
 version = "2.0.0-rc2"
-source = "git+https://github.com/paritytech/substrate#cd305af2a9f8ec7d13081b6dc6807014b207dab8"
+source = "git+https://github.com/paritytech/substrate#342caad3074076a4fde0472719f6a473df839e42"
 dependencies = [
  "frame-benchmarking",
  "frame-support",
@@ -3390,7 +3390,7 @@ dependencies = [
 [[package]]
 name = "pallet-collective"
 version = "2.0.0-rc2"
-source = "git+https://github.com/paritytech/substrate#cd305af2a9f8ec7d13081b6dc6807014b207dab8"
+source = "git+https://github.com/paritytech/substrate#342caad3074076a4fde0472719f6a473df839e42"
 dependencies = [
  "frame-benchmarking",
  "frame-support",
@@ -3406,7 +3406,7 @@ dependencies = [
 [[package]]
 name = "pallet-democracy"
 version = "2.0.0-rc2"
-source = "git+https://github.com/paritytech/substrate#cd305af2a9f8ec7d13081b6dc6807014b207dab8"
+source = "git+https://github.com/paritytech/substrate#342caad3074076a4fde0472719f6a473df839e42"
 dependencies = [
  "frame-benchmarking",
  "frame-support",
@@ -3421,7 +3421,7 @@ dependencies = [
 [[package]]
 name = "pallet-elections-phragmen"
 version = "2.0.0-rc2"
-source = "git+https://github.com/paritytech/substrate#cd305af2a9f8ec7d13081b6dc6807014b207dab8"
+source = "git+https://github.com/paritytech/substrate#342caad3074076a4fde0472719f6a473df839e42"
 dependencies = [
  "frame-benchmarking",
  "frame-support",
@@ -3436,7 +3436,7 @@ dependencies = [
 [[package]]
 name = "pallet-finality-tracker"
 version = "2.0.0-rc2"
-source = "git+https://github.com/paritytech/substrate#cd305af2a9f8ec7d13081b6dc6807014b207dab8"
+source = "git+https://github.com/paritytech/substrate#342caad3074076a4fde0472719f6a473df839e42"
 dependencies = [
  "frame-support",
  "frame-system",
@@ -3452,7 +3452,7 @@ dependencies = [
 [[package]]
 name = "pallet-grandpa"
 version = "2.0.0-rc2"
-source = "git+https://github.com/paritytech/substrate#cd305af2a9f8ec7d13081b6dc6807014b207dab8"
+source = "git+https://github.com/paritytech/substrate#342caad3074076a4fde0472719f6a473df839e42"
 dependencies = [
  "frame-support",
  "frame-system",
@@ -3472,7 +3472,7 @@ dependencies = [
 [[package]]
 name = "pallet-identity"
 version = "2.0.0-rc2"
-source = "git+https://github.com/paritytech/substrate#cd305af2a9f8ec7d13081b6dc6807014b207dab8"
+source = "git+https://github.com/paritytech/substrate#342caad3074076a4fde0472719f6a473df839e42"
 dependencies = [
  "enumflags2",
  "frame-benchmarking",
@@ -3488,7 +3488,7 @@ dependencies = [
 [[package]]
 name = "pallet-im-online"
 version = "2.0.0-rc2"
-source = "git+https://github.com/paritytech/substrate#cd305af2a9f8ec7d13081b6dc6807014b207dab8"
+source = "git+https://github.com/paritytech/substrate#342caad3074076a4fde0472719f6a473df839e42"
 dependencies = [
  "frame-benchmarking",
  "frame-support",
@@ -3508,7 +3508,7 @@ dependencies = [
 [[package]]
 name = "pallet-indices"
 version = "2.0.0-rc2"
-source = "git+https://github.com/paritytech/substrate#cd305af2a9f8ec7d13081b6dc6807014b207dab8"
+source = "git+https://github.com/paritytech/substrate#342caad3074076a4fde0472719f6a473df839e42"
 dependencies = [
  "frame-support",
  "frame-system",
@@ -3524,7 +3524,7 @@ dependencies = [
 [[package]]
 name = "pallet-membership"
 version = "2.0.0-rc2"
-source = "git+https://github.com/paritytech/substrate#cd305af2a9f8ec7d13081b6dc6807014b207dab8"
+source = "git+https://github.com/paritytech/substrate#342caad3074076a4fde0472719f6a473df839e42"
 dependencies = [
  "frame-support",
  "frame-system",
@@ -3538,7 +3538,7 @@ dependencies = [
 [[package]]
 name = "pallet-nicks"
 version = "2.0.0-rc2"
-source = "git+https://github.com/paritytech/substrate#cd305af2a9f8ec7d13081b6dc6807014b207dab8"
+source = "git+https://github.com/paritytech/substrate#342caad3074076a4fde0472719f6a473df839e42"
 dependencies = [
  "frame-support",
  "frame-system",
@@ -3552,7 +3552,7 @@ dependencies = [
 [[package]]
 name = "pallet-offences"
 version = "2.0.0-rc2"
-source = "git+https://github.com/paritytech/substrate#cd305af2a9f8ec7d13081b6dc6807014b207dab8"
+source = "git+https://github.com/paritytech/substrate#342caad3074076a4fde0472719f6a473df839e42"
 dependencies = [
  "frame-support",
  "frame-system",
@@ -3567,7 +3567,7 @@ dependencies = [
 [[package]]
 name = "pallet-offences-benchmarking"
 version = "2.0.0-rc2"
-source = "git+https://github.com/paritytech/substrate#cd305af2a9f8ec7d13081b6dc6807014b207dab8"
+source = "git+https://github.com/paritytech/substrate#342caad3074076a4fde0472719f6a473df839e42"
 dependencies = [
  "frame-benchmarking",
  "frame-support",
@@ -3588,7 +3588,7 @@ dependencies = [
 [[package]]
 name = "pallet-randomness-collective-flip"
 version = "2.0.0-rc2"
-source = "git+https://github.com/paritytech/substrate#cd305af2a9f8ec7d13081b6dc6807014b207dab8"
+source = "git+https://github.com/paritytech/substrate#342caad3074076a4fde0472719f6a473df839e42"
 dependencies = [
  "frame-support",
  "frame-system",
@@ -3601,7 +3601,7 @@ dependencies = [
 [[package]]
 name = "pallet-recovery"
 version = "2.0.0-rc2"
-source = "git+https://github.com/paritytech/substrate#cd305af2a9f8ec7d13081b6dc6807014b207dab8"
+source = "git+https://github.com/paritytech/substrate#342caad3074076a4fde0472719f6a473df839e42"
 dependencies = [
  "enumflags2",
  "frame-support",
@@ -3616,7 +3616,7 @@ dependencies = [
 [[package]]
 name = "pallet-scheduler"
 version = "2.0.0-rc2"
-source = "git+https://github.com/paritytech/substrate#cd305af2a9f8ec7d13081b6dc6807014b207dab8"
+source = "git+https://github.com/paritytech/substrate#342caad3074076a4fde0472719f6a473df839e42"
 dependencies = [
  "frame-benchmarking",
  "frame-support",
@@ -3631,7 +3631,7 @@ dependencies = [
 [[package]]
 name = "pallet-session"
 version = "2.0.0-rc2"
-source = "git+https://github.com/paritytech/substrate#cd305af2a9f8ec7d13081b6dc6807014b207dab8"
+source = "git+https://github.com/paritytech/substrate#342caad3074076a4fde0472719f6a473df839e42"
 dependencies = [
  "frame-support",
  "frame-system",
@@ -3649,7 +3649,7 @@ dependencies = [
 [[package]]
 name = "pallet-session-benchmarking"
 version = "2.0.0-rc2"
-source = "git+https://github.com/paritytech/substrate#cd305af2a9f8ec7d13081b6dc6807014b207dab8"
+source = "git+https://github.com/paritytech/substrate#342caad3074076a4fde0472719f6a473df839e42"
 dependencies = [
  "frame-benchmarking",
  "frame-support",
@@ -3663,7 +3663,7 @@ dependencies = [
 [[package]]
 name = "pallet-society"
 version = "2.0.0-rc2"
-source = "git+https://github.com/paritytech/substrate#cd305af2a9f8ec7d13081b6dc6807014b207dab8"
+source = "git+https://github.com/paritytech/substrate#342caad3074076a4fde0472719f6a473df839e42"
 dependencies = [
  "frame-support",
  "frame-system",
@@ -3677,7 +3677,7 @@ dependencies = [
 [[package]]
 name = "pallet-staking"
 version = "2.0.0-rc2"
-source = "git+https://github.com/paritytech/substrate#cd305af2a9f8ec7d13081b6dc6807014b207dab8"
+source = "git+https://github.com/paritytech/substrate#342caad3074076a4fde0472719f6a473df839e42"
 dependencies = [
  "frame-benchmarking",
  "frame-support",
@@ -3699,7 +3699,7 @@ dependencies = [
 [[package]]
 name = "pallet-staking-reward-curve"
 version = "2.0.0-rc2"
-source = "git+https://github.com/paritytech/substrate#cd305af2a9f8ec7d13081b6dc6807014b207dab8"
+source = "git+https://github.com/paritytech/substrate#342caad3074076a4fde0472719f6a473df839e42"
 dependencies = [
  "proc-macro-crate",
  "proc-macro2 1.0.17",
@@ -3710,7 +3710,7 @@ dependencies = [
 [[package]]
 name = "pallet-sudo"
 version = "2.0.0-rc2"
-source = "git+https://github.com/paritytech/substrate#cd305af2a9f8ec7d13081b6dc6807014b207dab8"
+source = "git+https://github.com/paritytech/substrate#342caad3074076a4fde0472719f6a473df839e42"
 dependencies = [
  "frame-support",
  "frame-system",
@@ -3724,7 +3724,7 @@ dependencies = [
 [[package]]
 name = "pallet-timestamp"
 version = "2.0.0-rc2"
-source = "git+https://github.com/paritytech/substrate#cd305af2a9f8ec7d13081b6dc6807014b207dab8"
+source = "git+https://github.com/paritytech/substrate#342caad3074076a4fde0472719f6a473df839e42"
 dependencies = [
  "frame-benchmarking",
  "frame-support",
@@ -3742,7 +3742,7 @@ dependencies = [
 [[package]]
 name = "pallet-transaction-payment"
 version = "2.0.0-rc2"
-source = "git+https://github.com/paritytech/substrate#cd305af2a9f8ec7d13081b6dc6807014b207dab8"
+source = "git+https://github.com/paritytech/substrate#342caad3074076a4fde0472719f6a473df839e42"
 dependencies = [
  "frame-support",
  "frame-system",
@@ -3756,7 +3756,7 @@ dependencies = [
 [[package]]
 name = "pallet-transaction-payment-rpc"
 version = "2.0.0-rc2"
-source = "git+https://github.com/paritytech/substrate#cd305af2a9f8ec7d13081b6dc6807014b207dab8"
+source = "git+https://github.com/paritytech/substrate#342caad3074076a4fde0472719f6a473df839e42"
 dependencies = [
  "jsonrpc-core",
  "jsonrpc-core-client",
@@ -3774,7 +3774,7 @@ dependencies = [
 [[package]]
 name = "pallet-transaction-payment-rpc-runtime-api"
 version = "2.0.0-rc2"
-source = "git+https://github.com/paritytech/substrate#cd305af2a9f8ec7d13081b6dc6807014b207dab8"
+source = "git+https://github.com/paritytech/substrate#342caad3074076a4fde0472719f6a473df839e42"
 dependencies = [
  "frame-support",
  "parity-scale-codec",
@@ -3787,7 +3787,7 @@ dependencies = [
 [[package]]
 name = "pallet-treasury"
 version = "2.0.0-rc2"
-source = "git+https://github.com/paritytech/substrate#cd305af2a9f8ec7d13081b6dc6807014b207dab8"
+source = "git+https://github.com/paritytech/substrate#342caad3074076a4fde0472719f6a473df839e42"
 dependencies = [
  "frame-benchmarking",
  "frame-support",
@@ -3802,7 +3802,7 @@ dependencies = [
 [[package]]
 name = "pallet-utility"
 version = "2.0.0-rc2"
-source = "git+https://github.com/paritytech/substrate#cd305af2a9f8ec7d13081b6dc6807014b207dab8"
+source = "git+https://github.com/paritytech/substrate#342caad3074076a4fde0472719f6a473df839e42"
 dependencies = [
  "frame-benchmarking",
  "frame-support",
@@ -3818,7 +3818,7 @@ dependencies = [
 [[package]]
 name = "pallet-vesting"
 version = "2.0.0-rc2"
-source = "git+https://github.com/paritytech/substrate#cd305af2a9f8ec7d13081b6dc6807014b207dab8"
+source = "git+https://github.com/paritytech/substrate#342caad3074076a4fde0472719f6a473df839e42"
 dependencies = [
  "enumflags2",
  "frame-benchmarking",
@@ -5414,7 +5414,7 @@ dependencies = [
 [[package]]
 name = "sc-authority-discovery"
 version = "0.8.0-rc2"
-source = "git+https://github.com/paritytech/substrate#cd305af2a9f8ec7d13081b6dc6807014b207dab8"
+source = "git+https://github.com/paritytech/substrate#342caad3074076a4fde0472719f6a473df839e42"
 dependencies = [
  "bytes 0.5.4",
  "derive_more 0.99.7",
@@ -5441,7 +5441,7 @@ dependencies = [
 [[package]]
 name = "sc-basic-authorship"
 version = "0.8.0-rc2"
-source = "git+https://github.com/paritytech/substrate#cd305af2a9f8ec7d13081b6dc6807014b207dab8"
+source = "git+https://github.com/paritytech/substrate#342caad3074076a4fde0472719f6a473df839e42"
 dependencies = [
  "futures 0.3.5",
  "futures-timer 3.0.2",
@@ -5465,7 +5465,7 @@ dependencies = [
 [[package]]
 name = "sc-block-builder"
 version = "0.8.0-rc2"
-source = "git+https://github.com/paritytech/substrate#cd305af2a9f8ec7d13081b6dc6807014b207dab8"
+source = "git+https://github.com/paritytech/substrate#342caad3074076a4fde0472719f6a473df839e42"
 dependencies = [
  "parity-scale-codec",
  "sc-client-api",
@@ -5481,7 +5481,7 @@ dependencies = [
 [[package]]
 name = "sc-chain-spec"
 version = "2.0.0-rc2"
-source = "git+https://github.com/paritytech/substrate#cd305af2a9f8ec7d13081b6dc6807014b207dab8"
+source = "git+https://github.com/paritytech/substrate#342caad3074076a4fde0472719f6a473df839e42"
 dependencies = [
  "impl-trait-for-tuples",
  "sc-chain-spec-derive",
@@ -5497,7 +5497,7 @@ dependencies = [
 [[package]]
 name = "sc-chain-spec-derive"
 version = "2.0.0-rc2"
-source = "git+https://github.com/paritytech/substrate#cd305af2a9f8ec7d13081b6dc6807014b207dab8"
+source = "git+https://github.com/paritytech/substrate#342caad3074076a4fde0472719f6a473df839e42"
 dependencies = [
  "proc-macro-crate",
  "proc-macro2 1.0.17",
@@ -5508,7 +5508,7 @@ dependencies = [
 [[package]]
 name = "sc-cli"
 version = "0.8.0-rc2"
-source = "git+https://github.com/paritytech/substrate#cd305af2a9f8ec7d13081b6dc6807014b207dab8"
+source = "git+https://github.com/paritytech/substrate#342caad3074076a4fde0472719f6a473df839e42"
 dependencies = [
  "ansi_term 0.12.1",
  "atty",
@@ -5549,7 +5549,7 @@ dependencies = [
 [[package]]
 name = "sc-client-api"
 version = "2.0.0-rc2"
-source = "git+https://github.com/paritytech/substrate#cd305af2a9f8ec7d13081b6dc6807014b207dab8"
+source = "git+https://github.com/paritytech/substrate#342caad3074076a4fde0472719f6a473df839e42"
 dependencies = [
  "derive_more 0.99.7",
  "fnv",
@@ -5585,7 +5585,7 @@ dependencies = [
 [[package]]
 name = "sc-client-db"
 version = "0.8.0-rc2"
-source = "git+https://github.com/paritytech/substrate#cd305af2a9f8ec7d13081b6dc6807014b207dab8"
+source = "git+https://github.com/paritytech/substrate#342caad3074076a4fde0472719f6a473df839e42"
 dependencies = [
  "blake2-rfc",
  "hash-db",
@@ -5614,7 +5614,7 @@ dependencies = [
 [[package]]
 name = "sc-consensus"
 version = "0.8.0-rc2"
-source = "git+https://github.com/paritytech/substrate#cd305af2a9f8ec7d13081b6dc6807014b207dab8"
+source = "git+https://github.com/paritytech/substrate#342caad3074076a4fde0472719f6a473df839e42"
 dependencies = [
  "sc-client-api",
  "sp-blockchain",
@@ -5625,7 +5625,7 @@ dependencies = [
 [[package]]
 name = "sc-consensus-babe"
 version = "0.8.0-rc2"
-source = "git+https://github.com/paritytech/substrate#cd305af2a9f8ec7d13081b6dc6807014b207dab8"
+source = "git+https://github.com/paritytech/substrate#342caad3074076a4fde0472719f6a473df839e42"
 dependencies = [
  "derive_more 0.99.7",
  "fork-tree",
@@ -5667,7 +5667,7 @@ dependencies = [
 [[package]]
 name = "sc-consensus-babe-rpc"
 version = "0.8.0-rc2"
-source = "git+https://github.com/paritytech/substrate#cd305af2a9f8ec7d13081b6dc6807014b207dab8"
+source = "git+https://github.com/paritytech/substrate#342caad3074076a4fde0472719f6a473df839e42"
 dependencies = [
  "derive_more 0.99.7",
  "futures 0.3.5",
@@ -5690,7 +5690,7 @@ dependencies = [
 [[package]]
 name = "sc-consensus-epochs"
 version = "0.8.0-rc2"
-source = "git+https://github.com/paritytech/substrate#cd305af2a9f8ec7d13081b6dc6807014b207dab8"
+source = "git+https://github.com/paritytech/substrate#342caad3074076a4fde0472719f6a473df839e42"
 dependencies = [
  "fork-tree",
  "parity-scale-codec",
@@ -5703,7 +5703,7 @@ dependencies = [
 [[package]]
 name = "sc-consensus-slots"
 version = "0.8.0-rc2"
-source = "git+https://github.com/paritytech/substrate#cd305af2a9f8ec7d13081b6dc6807014b207dab8"
+source = "git+https://github.com/paritytech/substrate#342caad3074076a4fde0472719f6a473df839e42"
 dependencies = [
  "futures 0.3.5",
  "futures-timer 3.0.2",
@@ -5725,7 +5725,7 @@ dependencies = [
 [[package]]
 name = "sc-consensus-uncles"
 version = "0.8.0-rc2"
-source = "git+https://github.com/paritytech/substrate#cd305af2a9f8ec7d13081b6dc6807014b207dab8"
+source = "git+https://github.com/paritytech/substrate#342caad3074076a4fde0472719f6a473df839e42"
 dependencies = [
  "log 0.4.8",
  "sc-client-api",
@@ -5739,7 +5739,7 @@ dependencies = [
 [[package]]
 name = "sc-executor"
 version = "0.8.0-rc2"
-source = "git+https://github.com/paritytech/substrate#cd305af2a9f8ec7d13081b6dc6807014b207dab8"
+source = "git+https://github.com/paritytech/substrate#342caad3074076a4fde0472719f6a473df839e42"
 dependencies = [
  "derive_more 0.99.7",
  "lazy_static",
@@ -5767,7 +5767,7 @@ dependencies = [
 [[package]]
 name = "sc-executor-common"
 version = "0.8.0-rc2"
-source = "git+https://github.com/paritytech/substrate#cd305af2a9f8ec7d13081b6dc6807014b207dab8"
+source = "git+https://github.com/paritytech/substrate#342caad3074076a4fde0472719f6a473df839e42"
 dependencies = [
  "derive_more 0.99.7",
  "log 0.4.8",
@@ -5784,7 +5784,7 @@ dependencies = [
 [[package]]
 name = "sc-executor-wasmi"
 version = "0.8.0-rc2"
-source = "git+https://github.com/paritytech/substrate#cd305af2a9f8ec7d13081b6dc6807014b207dab8"
+source = "git+https://github.com/paritytech/substrate#342caad3074076a4fde0472719f6a473df839e42"
 dependencies = [
  "log 0.4.8",
  "parity-scale-codec",
@@ -5799,7 +5799,7 @@ dependencies = [
 [[package]]
 name = "sc-executor-wasmtime"
 version = "0.8.0-rc2"
-source = "git+https://github.com/paritytech/substrate#cd305af2a9f8ec7d13081b6dc6807014b207dab8"
+source = "git+https://github.com/paritytech/substrate#342caad3074076a4fde0472719f6a473df839e42"
 dependencies = [
  "cranelift-codegen",
  "cranelift-wasm",
@@ -5820,7 +5820,7 @@ dependencies = [
 [[package]]
 name = "sc-finality-grandpa"
 version = "0.8.0-rc2"
-source = "git+https://github.com/paritytech/substrate#cd305af2a9f8ec7d13081b6dc6807014b207dab8"
+source = "git+https://github.com/paritytech/substrate#342caad3074076a4fde0472719f6a473df839e42"
 dependencies = [
  "assert_matches",
  "derive_more 0.99.7",
@@ -5857,7 +5857,7 @@ dependencies = [
 [[package]]
 name = "sc-finality-grandpa-rpc"
 version = "0.8.0-rc2"
-source = "git+https://github.com/paritytech/substrate#cd305af2a9f8ec7d13081b6dc6807014b207dab8"
+source = "git+https://github.com/paritytech/substrate#342caad3074076a4fde0472719f6a473df839e42"
 dependencies = [
  "derive_more 0.99.7",
  "finality-grandpa",
@@ -5874,7 +5874,7 @@ dependencies = [
 [[package]]
 name = "sc-informant"
 version = "0.8.0-rc2"
-source = "git+https://github.com/paritytech/substrate#cd305af2a9f8ec7d13081b6dc6807014b207dab8"
+source = "git+https://github.com/paritytech/substrate#342caad3074076a4fde0472719f6a473df839e42"
 dependencies = [
  "ansi_term 0.12.1",
  "futures 0.3.5",
@@ -5891,7 +5891,7 @@ dependencies = [
 [[package]]
 name = "sc-keystore"
 version = "2.0.0-rc2"
-source = "git+https://github.com/paritytech/substrate#cd305af2a9f8ec7d13081b6dc6807014b207dab8"
+source = "git+https://github.com/paritytech/substrate#342caad3074076a4fde0472719f6a473df839e42"
 dependencies = [
  "derive_more 0.99.7",
  "hex",
@@ -5906,7 +5906,7 @@ dependencies = [
 [[package]]
 name = "sc-network"
 version = "0.8.0-rc2"
-source = "git+https://github.com/paritytech/substrate#cd305af2a9f8ec7d13081b6dc6807014b207dab8"
+source = "git+https://github.com/paritytech/substrate#342caad3074076a4fde0472719f6a473df839e42"
 dependencies = [
  "bitflags",
  "bs58",
@@ -5958,7 +5958,7 @@ dependencies = [
 [[package]]
 name = "sc-network-gossip"
 version = "0.8.0-rc2"
-source = "git+https://github.com/paritytech/substrate#cd305af2a9f8ec7d13081b6dc6807014b207dab8"
+source = "git+https://github.com/paritytech/substrate#342caad3074076a4fde0472719f6a473df839e42"
 dependencies = [
  "futures 0.3.5",
  "futures-timer 3.0.2",
@@ -5973,7 +5973,7 @@ dependencies = [
 [[package]]
 name = "sc-network-test"
 version = "0.8.0-rc2"
-source = "git+https://github.com/paritytech/substrate#cd305af2a9f8ec7d13081b6dc6807014b207dab8"
+source = "git+https://github.com/paritytech/substrate#342caad3074076a4fde0472719f6a473df839e42"
 dependencies = [
  "env_logger",
  "futures 0.3.5",
@@ -6000,7 +6000,7 @@ dependencies = [
 [[package]]
 name = "sc-offchain"
 version = "2.0.0-rc2"
-source = "git+https://github.com/paritytech/substrate#cd305af2a9f8ec7d13081b6dc6807014b207dab8"
+source = "git+https://github.com/paritytech/substrate#342caad3074076a4fde0472719f6a473df839e42"
 dependencies = [
  "bytes 0.5.4",
  "fnv",
@@ -6027,7 +6027,7 @@ dependencies = [
 [[package]]
 name = "sc-peerset"
 version = "2.0.0-rc2"
-source = "git+https://github.com/paritytech/substrate#cd305af2a9f8ec7d13081b6dc6807014b207dab8"
+source = "git+https://github.com/paritytech/substrate#342caad3074076a4fde0472719f6a473df839e42"
 dependencies = [
  "futures 0.3.5",
  "libp2p",
@@ -6040,7 +6040,7 @@ dependencies = [
 [[package]]
 name = "sc-proposer-metrics"
 version = "0.8.0-rc2"
-source = "git+https://github.com/paritytech/substrate#cd305af2a9f8ec7d13081b6dc6807014b207dab8"
+source = "git+https://github.com/paritytech/substrate#342caad3074076a4fde0472719f6a473df839e42"
 dependencies = [
  "log 0.4.8",
  "substrate-prometheus-endpoint",
@@ -6049,7 +6049,7 @@ dependencies = [
 [[package]]
 name = "sc-rpc"
 version = "2.0.0-rc2"
-source = "git+https://github.com/paritytech/substrate#cd305af2a9f8ec7d13081b6dc6807014b207dab8"
+source = "git+https://github.com/paritytech/substrate#342caad3074076a4fde0472719f6a473df839e42"
 dependencies = [
  "futures 0.3.5",
  "hash-db",
@@ -6081,7 +6081,7 @@ dependencies = [
 [[package]]
 name = "sc-rpc-api"
 version = "0.8.0-rc2"
-source = "git+https://github.com/paritytech/substrate#cd305af2a9f8ec7d13081b6dc6807014b207dab8"
+source = "git+https://github.com/paritytech/substrate#342caad3074076a4fde0472719f6a473df839e42"
 dependencies = [
  "derive_more 0.99.7",
  "futures 0.3.5",
@@ -6105,7 +6105,7 @@ dependencies = [
 [[package]]
 name = "sc-rpc-server"
 version = "2.0.0-rc2"
-source = "git+https://github.com/paritytech/substrate#cd305af2a9f8ec7d13081b6dc6807014b207dab8"
+source = "git+https://github.com/paritytech/substrate#342caad3074076a4fde0472719f6a473df839e42"
 dependencies = [
  "jsonrpc-core",
  "jsonrpc-http-server",
@@ -6120,7 +6120,7 @@ dependencies = [
 [[package]]
 name = "sc-service"
 version = "0.8.0-rc2"
-source = "git+https://github.com/paritytech/substrate#cd305af2a9f8ec7d13081b6dc6807014b207dab8"
+source = "git+https://github.com/paritytech/substrate#342caad3074076a4fde0472719f6a473df839e42"
 dependencies = [
  "derive_more 0.99.7",
  "exit-future",
@@ -6178,7 +6178,7 @@ dependencies = [
 [[package]]
 name = "sc-state-db"
 version = "0.8.0-rc2"
-source = "git+https://github.com/paritytech/substrate#cd305af2a9f8ec7d13081b6dc6807014b207dab8"
+source = "git+https://github.com/paritytech/substrate#342caad3074076a4fde0472719f6a473df839e42"
 dependencies = [
  "log 0.4.8",
  "parity-scale-codec",
@@ -6192,7 +6192,7 @@ dependencies = [
 [[package]]
 name = "sc-telemetry"
 version = "2.0.0-rc2"
-source = "git+https://github.com/paritytech/substrate#cd305af2a9f8ec7d13081b6dc6807014b207dab8"
+source = "git+https://github.com/paritytech/substrate#342caad3074076a4fde0472719f6a473df839e42"
 dependencies = [
  "bytes 0.5.4",
  "futures 0.3.5",
@@ -6214,7 +6214,7 @@ dependencies = [
 [[package]]
 name = "sc-tracing"
 version = "2.0.0-rc2"
-source = "git+https://github.com/paritytech/substrate#cd305af2a9f8ec7d13081b6dc6807014b207dab8"
+source = "git+https://github.com/paritytech/substrate#342caad3074076a4fde0472719f6a473df839e42"
 dependencies = [
  "erased-serde",
  "log 0.4.8",
@@ -6229,7 +6229,7 @@ dependencies = [
 [[package]]
 name = "sc-transaction-graph"
 version = "2.0.0-rc2"
-source = "git+https://github.com/paritytech/substrate#cd305af2a9f8ec7d13081b6dc6807014b207dab8"
+source = "git+https://github.com/paritytech/substrate#342caad3074076a4fde0472719f6a473df839e42"
 dependencies = [
  "derive_more 0.99.7",
  "futures 0.3.5",
@@ -6249,7 +6249,7 @@ dependencies = [
 [[package]]
 name = "sc-transaction-pool"
 version = "2.0.0-rc2"
-source = "git+https://github.com/paritytech/substrate#cd305af2a9f8ec7d13081b6dc6807014b207dab8"
+source = "git+https://github.com/paritytech/substrate#342caad3074076a4fde0472719f6a473df839e42"
 dependencies = [
  "derive_more 0.99.7",
  "futures 0.3.5",
@@ -6636,7 +6636,7 @@ dependencies = [
 [[package]]
 name = "sp-allocator"
 version = "2.0.0-rc2"
-source = "git+https://github.com/paritytech/substrate#cd305af2a9f8ec7d13081b6dc6807014b207dab8"
+source = "git+https://github.com/paritytech/substrate#342caad3074076a4fde0472719f6a473df839e42"
 dependencies = [
  "derive_more 0.99.7",
  "log 0.4.8",
@@ -6648,7 +6648,7 @@ dependencies = [
 [[package]]
 name = "sp-api"
 version = "2.0.0-rc2"
-source = "git+https://github.com/paritytech/substrate#cd305af2a9f8ec7d13081b6dc6807014b207dab8"
+source = "git+https://github.com/paritytech/substrate#342caad3074076a4fde0472719f6a473df839e42"
 dependencies = [
  "hash-db",
  "parity-scale-codec",
@@ -6663,7 +6663,7 @@ dependencies = [
 [[package]]
 name = "sp-api-proc-macro"
 version = "2.0.0-rc2"
-source = "git+https://github.com/paritytech/substrate#cd305af2a9f8ec7d13081b6dc6807014b207dab8"
+source = "git+https://github.com/paritytech/substrate#342caad3074076a4fde0472719f6a473df839e42"
 dependencies = [
  "blake2-rfc",
  "proc-macro-crate",
@@ -6675,7 +6675,7 @@ dependencies = [
 [[package]]
 name = "sp-application-crypto"
 version = "2.0.0-rc2"
-source = "git+https://github.com/paritytech/substrate#cd305af2a9f8ec7d13081b6dc6807014b207dab8"
+source = "git+https://github.com/paritytech/substrate#342caad3074076a4fde0472719f6a473df839e42"
 dependencies = [
  "parity-scale-codec",
  "serde",
@@ -6687,7 +6687,7 @@ dependencies = [
 [[package]]
 name = "sp-arithmetic"
 version = "2.0.0-rc2"
-source = "git+https://github.com/paritytech/substrate#cd305af2a9f8ec7d13081b6dc6807014b207dab8"
+source = "git+https://github.com/paritytech/substrate#342caad3074076a4fde0472719f6a473df839e42"
 dependencies = [
  "integer-sqrt",
  "num-traits 0.2.11",
@@ -6700,7 +6700,7 @@ dependencies = [
 [[package]]
 name = "sp-authority-discovery"
 version = "2.0.0-rc2"
-source = "git+https://github.com/paritytech/substrate#cd305af2a9f8ec7d13081b6dc6807014b207dab8"
+source = "git+https://github.com/paritytech/substrate#342caad3074076a4fde0472719f6a473df839e42"
 dependencies = [
  "parity-scale-codec",
  "sp-api",
@@ -6712,7 +6712,7 @@ dependencies = [
 [[package]]
 name = "sp-authorship"
 version = "2.0.0-rc2"
-source = "git+https://github.com/paritytech/substrate#cd305af2a9f8ec7d13081b6dc6807014b207dab8"
+source = "git+https://github.com/paritytech/substrate#342caad3074076a4fde0472719f6a473df839e42"
 dependencies = [
  "parity-scale-codec",
  "sp-inherents",
@@ -6723,7 +6723,7 @@ dependencies = [
 [[package]]
 name = "sp-block-builder"
 version = "2.0.0-rc2"
-source = "git+https://github.com/paritytech/substrate#cd305af2a9f8ec7d13081b6dc6807014b207dab8"
+source = "git+https://github.com/paritytech/substrate#342caad3074076a4fde0472719f6a473df839e42"
 dependencies = [
  "parity-scale-codec",
  "sp-api",
@@ -6735,7 +6735,7 @@ dependencies = [
 [[package]]
 name = "sp-blockchain"
 version = "2.0.0-rc2"
-source = "git+https://github.com/paritytech/substrate#cd305af2a9f8ec7d13081b6dc6807014b207dab8"
+source = "git+https://github.com/paritytech/substrate#342caad3074076a4fde0472719f6a473df839e42"
 dependencies = [
  "derive_more 0.99.7",
  "log 0.4.8",
@@ -6751,7 +6751,7 @@ dependencies = [
 [[package]]
 name = "sp-chain-spec"
 version = "2.0.0-rc2"
-source = "git+https://github.com/paritytech/substrate#cd305af2a9f8ec7d13081b6dc6807014b207dab8"
+source = "git+https://github.com/paritytech/substrate#342caad3074076a4fde0472719f6a473df839e42"
 dependencies = [
  "serde",
  "serde_json",
@@ -6760,7 +6760,7 @@ dependencies = [
 [[package]]
 name = "sp-consensus"
 version = "0.8.0-rc2"
-source = "git+https://github.com/paritytech/substrate#cd305af2a9f8ec7d13081b6dc6807014b207dab8"
+source = "git+https://github.com/paritytech/substrate#342caad3074076a4fde0472719f6a473df839e42"
 dependencies = [
  "derive_more 0.99.7",
  "futures 0.3.5",
@@ -6783,7 +6783,7 @@ dependencies = [
 [[package]]
 name = "sp-consensus-aura"
 version = "0.8.0-rc2"
-source = "git+https://github.com/paritytech/substrate#cd305af2a9f8ec7d13081b6dc6807014b207dab8"
+source = "git+https://github.com/paritytech/substrate#342caad3074076a4fde0472719f6a473df839e42"
 dependencies = [
  "parity-scale-codec",
  "sp-api",
@@ -6797,7 +6797,7 @@ dependencies = [
 [[package]]
 name = "sp-consensus-babe"
 version = "0.8.0-rc2"
-source = "git+https://github.com/paritytech/substrate#cd305af2a9f8ec7d13081b6dc6807014b207dab8"
+source = "git+https://github.com/paritytech/substrate#342caad3074076a4fde0472719f6a473df839e42"
 dependencies = [
  "merlin",
  "parity-scale-codec",
@@ -6814,7 +6814,7 @@ dependencies = [
 [[package]]
 name = "sp-consensus-vrf"
 version = "0.8.0-rc2"
-source = "git+https://github.com/paritytech/substrate#cd305af2a9f8ec7d13081b6dc6807014b207dab8"
+source = "git+https://github.com/paritytech/substrate#342caad3074076a4fde0472719f6a473df839e42"
 dependencies = [
  "parity-scale-codec",
  "schnorrkel",
@@ -6826,7 +6826,7 @@ dependencies = [
 [[package]]
 name = "sp-core"
 version = "2.0.0-rc2"
-source = "git+https://github.com/paritytech/substrate#cd305af2a9f8ec7d13081b6dc6807014b207dab8"
+source = "git+https://github.com/paritytech/substrate#342caad3074076a4fde0472719f6a473df839e42"
 dependencies = [
  "base58",
  "blake2-rfc",
@@ -6868,7 +6868,7 @@ dependencies = [
 [[package]]
 name = "sp-database"
 version = "2.0.0-rc2"
-source = "git+https://github.com/paritytech/substrate#cd305af2a9f8ec7d13081b6dc6807014b207dab8"
+source = "git+https://github.com/paritytech/substrate#342caad3074076a4fde0472719f6a473df839e42"
 dependencies = [
  "kvdb",
  "parking_lot 0.10.2",
@@ -6877,7 +6877,7 @@ dependencies = [
 [[package]]
 name = "sp-debug-derive"
 version = "2.0.0-rc2"
-source = "git+https://github.com/paritytech/substrate#cd305af2a9f8ec7d13081b6dc6807014b207dab8"
+source = "git+https://github.com/paritytech/substrate#342caad3074076a4fde0472719f6a473df839e42"
 dependencies = [
  "proc-macro2 1.0.17",
  "quote 1.0.6",
@@ -6887,7 +6887,7 @@ dependencies = [
 [[package]]
 name = "sp-externalities"
 version = "0.8.0-rc2"
-source = "git+https://github.com/paritytech/substrate#cd305af2a9f8ec7d13081b6dc6807014b207dab8"
+source = "git+https://github.com/paritytech/substrate#342caad3074076a4fde0472719f6a473df839e42"
 dependencies = [
  "environmental",
  "parity-scale-codec",
@@ -6898,7 +6898,7 @@ dependencies = [
 [[package]]
 name = "sp-finality-grandpa"
 version = "2.0.0-rc2"
-source = "git+https://github.com/paritytech/substrate#cd305af2a9f8ec7d13081b6dc6807014b207dab8"
+source = "git+https://github.com/paritytech/substrate#342caad3074076a4fde0472719f6a473df839e42"
 dependencies = [
  "finality-grandpa",
  "log 0.4.8",
@@ -6914,7 +6914,7 @@ dependencies = [
 [[package]]
 name = "sp-finality-tracker"
 version = "2.0.0-rc2"
-source = "git+https://github.com/paritytech/substrate#cd305af2a9f8ec7d13081b6dc6807014b207dab8"
+source = "git+https://github.com/paritytech/substrate#342caad3074076a4fde0472719f6a473df839e42"
 dependencies = [
  "parity-scale-codec",
  "sp-inherents",
@@ -6924,7 +6924,7 @@ dependencies = [
 [[package]]
 name = "sp-inherents"
 version = "2.0.0-rc2"
-source = "git+https://github.com/paritytech/substrate#cd305af2a9f8ec7d13081b6dc6807014b207dab8"
+source = "git+https://github.com/paritytech/substrate#342caad3074076a4fde0472719f6a473df839e42"
 dependencies = [
  "derive_more 0.99.7",
  "parity-scale-codec",
@@ -6936,7 +6936,7 @@ dependencies = [
 [[package]]
 name = "sp-io"
 version = "2.0.0-rc2"
-source = "git+https://github.com/paritytech/substrate#cd305af2a9f8ec7d13081b6dc6807014b207dab8"
+source = "git+https://github.com/paritytech/substrate#342caad3074076a4fde0472719f6a473df839e42"
 dependencies = [
  "futures 0.3.5",
  "hash-db",
@@ -6956,7 +6956,7 @@ dependencies = [
 [[package]]
 name = "sp-keyring"
 version = "2.0.0-rc2"
-source = "git+https://github.com/paritytech/substrate#cd305af2a9f8ec7d13081b6dc6807014b207dab8"
+source = "git+https://github.com/paritytech/substrate#342caad3074076a4fde0472719f6a473df839e42"
 dependencies = [
  "lazy_static",
  "sp-core",
@@ -6967,7 +6967,7 @@ dependencies = [
 [[package]]
 name = "sp-offchain"
 version = "2.0.0-rc2"
-source = "git+https://github.com/paritytech/substrate#cd305af2a9f8ec7d13081b6dc6807014b207dab8"
+source = "git+https://github.com/paritytech/substrate#342caad3074076a4fde0472719f6a473df839e42"
 dependencies = [
  "sp-api",
  "sp-core",
@@ -6977,7 +6977,7 @@ dependencies = [
 [[package]]
 name = "sp-panic-handler"
 version = "2.0.0-rc2"
-source = "git+https://github.com/paritytech/substrate#cd305af2a9f8ec7d13081b6dc6807014b207dab8"
+source = "git+https://github.com/paritytech/substrate#342caad3074076a4fde0472719f6a473df839e42"
 dependencies = [
  "backtrace",
  "log 0.4.8",
@@ -6986,7 +6986,7 @@ dependencies = [
 [[package]]
 name = "sp-phragmen"
 version = "2.0.0-rc2"
-source = "git+https://github.com/paritytech/substrate#cd305af2a9f8ec7d13081b6dc6807014b207dab8"
+source = "git+https://github.com/paritytech/substrate#342caad3074076a4fde0472719f6a473df839e42"
 dependencies = [
  "parity-scale-codec",
  "serde",
@@ -6998,7 +6998,7 @@ dependencies = [
 [[package]]
 name = "sp-phragmen-compact"
 version = "2.0.0-rc2"
-source = "git+https://github.com/paritytech/substrate#cd305af2a9f8ec7d13081b6dc6807014b207dab8"
+source = "git+https://github.com/paritytech/substrate#342caad3074076a4fde0472719f6a473df839e42"
 dependencies = [
  "proc-macro-crate",
  "proc-macro2 1.0.17",
@@ -7009,7 +7009,7 @@ dependencies = [
 [[package]]
 name = "sp-rpc"
 version = "2.0.0-rc2"
-source = "git+https://github.com/paritytech/substrate#cd305af2a9f8ec7d13081b6dc6807014b207dab8"
+source = "git+https://github.com/paritytech/substrate#342caad3074076a4fde0472719f6a473df839e42"
 dependencies = [
  "serde",
  "sp-core",
@@ -7018,7 +7018,7 @@ dependencies = [
 [[package]]
 name = "sp-runtime"
 version = "2.0.0-rc2"
-source = "git+https://github.com/paritytech/substrate#cd305af2a9f8ec7d13081b6dc6807014b207dab8"
+source = "git+https://github.com/paritytech/substrate#342caad3074076a4fde0472719f6a473df839e42"
 dependencies = [
  "hash256-std-hasher",
  "impl-trait-for-tuples",
@@ -7039,7 +7039,7 @@ dependencies = [
 [[package]]
 name = "sp-runtime-interface"
 version = "2.0.0-rc2"
-source = "git+https://github.com/paritytech/substrate#cd305af2a9f8ec7d13081b6dc6807014b207dab8"
+source = "git+https://github.com/paritytech/substrate#342caad3074076a4fde0472719f6a473df839e42"
 dependencies = [
  "parity-scale-codec",
  "primitive-types",
@@ -7054,7 +7054,7 @@ dependencies = [
 [[package]]
 name = "sp-runtime-interface-proc-macro"
 version = "2.0.0-rc2"
-source = "git+https://github.com/paritytech/substrate#cd305af2a9f8ec7d13081b6dc6807014b207dab8"
+source = "git+https://github.com/paritytech/substrate#342caad3074076a4fde0472719f6a473df839e42"
 dependencies = [
  "Inflector",
  "proc-macro-crate",
@@ -7066,7 +7066,7 @@ dependencies = [
 [[package]]
 name = "sp-serializer"
 version = "2.0.0-rc2"
-source = "git+https://github.com/paritytech/substrate#cd305af2a9f8ec7d13081b6dc6807014b207dab8"
+source = "git+https://github.com/paritytech/substrate#342caad3074076a4fde0472719f6a473df839e42"
 dependencies = [
  "serde",
  "serde_json",
@@ -7075,7 +7075,7 @@ dependencies = [
 [[package]]
 name = "sp-session"
 version = "2.0.0-rc2"
-source = "git+https://github.com/paritytech/substrate#cd305af2a9f8ec7d13081b6dc6807014b207dab8"
+source = "git+https://github.com/paritytech/substrate#342caad3074076a4fde0472719f6a473df839e42"
 dependencies = [
  "parity-scale-codec",
  "sp-api",
@@ -7088,7 +7088,7 @@ dependencies = [
 [[package]]
 name = "sp-staking"
 version = "2.0.0-rc2"
-source = "git+https://github.com/paritytech/substrate#cd305af2a9f8ec7d13081b6dc6807014b207dab8"
+source = "git+https://github.com/paritytech/substrate#342caad3074076a4fde0472719f6a473df839e42"
 dependencies = [
  "parity-scale-codec",
  "sp-runtime",
@@ -7098,7 +7098,7 @@ dependencies = [
 [[package]]
 name = "sp-state-machine"
 version = "0.8.0-rc2"
-source = "git+https://github.com/paritytech/substrate#cd305af2a9f8ec7d13081b6dc6807014b207dab8"
+source = "git+https://github.com/paritytech/substrate#342caad3074076a4fde0472719f6a473df839e42"
 dependencies = [
  "hash-db",
  "log 0.4.8",
@@ -7117,12 +7117,12 @@ dependencies = [
 [[package]]
 name = "sp-std"
 version = "2.0.0-rc2"
-source = "git+https://github.com/paritytech/substrate#cd305af2a9f8ec7d13081b6dc6807014b207dab8"
+source = "git+https://github.com/paritytech/substrate#342caad3074076a4fde0472719f6a473df839e42"
 
 [[package]]
 name = "sp-storage"
 version = "2.0.0-rc2"
-source = "git+https://github.com/paritytech/substrate#cd305af2a9f8ec7d13081b6dc6807014b207dab8"
+source = "git+https://github.com/paritytech/substrate#342caad3074076a4fde0472719f6a473df839e42"
 dependencies = [
  "impl-serde 0.2.3",
  "ref-cast",
@@ -7134,7 +7134,7 @@ dependencies = [
 [[package]]
 name = "sp-timestamp"
 version = "2.0.0-rc2"
-source = "git+https://github.com/paritytech/substrate#cd305af2a9f8ec7d13081b6dc6807014b207dab8"
+source = "git+https://github.com/paritytech/substrate#342caad3074076a4fde0472719f6a473df839e42"
 dependencies = [
  "impl-trait-for-tuples",
  "parity-scale-codec",
@@ -7148,7 +7148,7 @@ dependencies = [
 [[package]]
 name = "sp-tracing"
 version = "2.0.0-rc2"
-source = "git+https://github.com/paritytech/substrate#cd305af2a9f8ec7d13081b6dc6807014b207dab8"
+source = "git+https://github.com/paritytech/substrate#342caad3074076a4fde0472719f6a473df839e42"
 dependencies = [
  "tracing",
 ]
@@ -7156,7 +7156,7 @@ dependencies = [
 [[package]]
 name = "sp-transaction-pool"
 version = "2.0.0-rc2"
-source = "git+https://github.com/paritytech/substrate#cd305af2a9f8ec7d13081b6dc6807014b207dab8"
+source = "git+https://github.com/paritytech/substrate#342caad3074076a4fde0472719f6a473df839e42"
 dependencies = [
  "derive_more 0.99.7",
  "futures 0.3.5",
@@ -7171,7 +7171,7 @@ dependencies = [
 [[package]]
 name = "sp-trie"
 version = "2.0.0-rc2"
-source = "git+https://github.com/paritytech/substrate#cd305af2a9f8ec7d13081b6dc6807014b207dab8"
+source = "git+https://github.com/paritytech/substrate#342caad3074076a4fde0472719f6a473df839e42"
 dependencies = [
  "hash-db",
  "memory-db",
@@ -7185,7 +7185,7 @@ dependencies = [
 [[package]]
 name = "sp-utils"
 version = "2.0.0-rc2"
-source = "git+https://github.com/paritytech/substrate#cd305af2a9f8ec7d13081b6dc6807014b207dab8"
+source = "git+https://github.com/paritytech/substrate#342caad3074076a4fde0472719f6a473df839e42"
 dependencies = [
  "futures 0.3.5",
  "futures-core",
@@ -7196,7 +7196,7 @@ dependencies = [
 [[package]]
 name = "sp-version"
 version = "2.0.0-rc2"
-source = "git+https://github.com/paritytech/substrate#cd305af2a9f8ec7d13081b6dc6807014b207dab8"
+source = "git+https://github.com/paritytech/substrate#342caad3074076a4fde0472719f6a473df839e42"
 dependencies = [
  "impl-serde 0.2.3",
  "parity-scale-codec",
@@ -7208,7 +7208,7 @@ dependencies = [
 [[package]]
 name = "sp-wasm-interface"
 version = "2.0.0-rc2"
-source = "git+https://github.com/paritytech/substrate#cd305af2a9f8ec7d13081b6dc6807014b207dab8"
+source = "git+https://github.com/paritytech/substrate#342caad3074076a4fde0472719f6a473df839e42"
 dependencies = [
  "impl-trait-for-tuples",
  "parity-scale-codec",
@@ -7348,7 +7348,7 @@ dependencies = [
 [[package]]
 name = "substrate-browser-utils"
 version = "0.8.0-rc2"
-source = "git+https://github.com/paritytech/substrate#cd305af2a9f8ec7d13081b6dc6807014b207dab8"
+source = "git+https://github.com/paritytech/substrate#342caad3074076a4fde0472719f6a473df839e42"
 dependencies = [
  "chrono",
  "clear_on_drop",
@@ -7375,7 +7375,7 @@ dependencies = [
 [[package]]
 name = "substrate-build-script-utils"
 version = "2.0.0-rc2"
-source = "git+https://github.com/paritytech/substrate#cd305af2a9f8ec7d13081b6dc6807014b207dab8"
+source = "git+https://github.com/paritytech/substrate#342caad3074076a4fde0472719f6a473df839e42"
 dependencies = [
  "platforms",
 ]
@@ -7383,7 +7383,7 @@ dependencies = [
 [[package]]
 name = "substrate-frame-rpc-system"
 version = "2.0.0-rc2"
-source = "git+https://github.com/paritytech/substrate#cd305af2a9f8ec7d13081b6dc6807014b207dab8"
+source = "git+https://github.com/paritytech/substrate#342caad3074076a4fde0472719f6a473df839e42"
 dependencies = [
  "frame-system-rpc-runtime-api",
  "futures 0.3.5",
@@ -7404,7 +7404,7 @@ dependencies = [
 [[package]]
 name = "substrate-prometheus-endpoint"
 version = "0.8.0-rc2"
-source = "git+https://github.com/paritytech/substrate#cd305af2a9f8ec7d13081b6dc6807014b207dab8"
+source = "git+https://github.com/paritytech/substrate#342caad3074076a4fde0472719f6a473df839e42"
 dependencies = [
  "async-std",
  "derive_more 0.99.7",
@@ -7418,7 +7418,7 @@ dependencies = [
 [[package]]
 name = "substrate-test-client"
 version = "2.0.0-rc2"
-source = "git+https://github.com/paritytech/substrate#cd305af2a9f8ec7d13081b6dc6807014b207dab8"
+source = "git+https://github.com/paritytech/substrate#342caad3074076a4fde0472719f6a473df839e42"
 dependencies = [
  "futures 0.3.5",
  "hash-db",
@@ -7439,7 +7439,7 @@ dependencies = [
 [[package]]
 name = "substrate-test-runtime"
 version = "2.0.0-rc2"
-source = "git+https://github.com/paritytech/substrate#cd305af2a9f8ec7d13081b6dc6807014b207dab8"
+source = "git+https://github.com/paritytech/substrate#342caad3074076a4fde0472719f6a473df839e42"
 dependencies = [
  "cfg-if",
  "frame-executive",
@@ -7479,7 +7479,7 @@ dependencies = [
 [[package]]
 name = "substrate-test-runtime-client"
 version = "2.0.0-rc2"
-source = "git+https://github.com/paritytech/substrate#cd305af2a9f8ec7d13081b6dc6807014b207dab8"
+source = "git+https://github.com/paritytech/substrate#342caad3074076a4fde0472719f6a473df839e42"
 dependencies = [
  "futures 0.3.5",
  "parity-scale-codec",
@@ -7499,7 +7499,7 @@ dependencies = [
 [[package]]
 name = "substrate-wasm-builder-runner"
 version = "1.0.6"
-source = "git+https://github.com/paritytech/substrate#cd305af2a9f8ec7d13081b6dc6807014b207dab8"
+source = "git+https://github.com/paritytech/substrate#342caad3074076a4fde0472719f6a473df839e42"
 
 [[package]]
 name = "substrate-wasm-builder-runner"
diff --git a/polkadot/runtime/common/src/parachains.rs b/polkadot/runtime/common/src/parachains.rs
index 8b503c914f..3e03e0713c 100644
--- a/polkadot/runtime/common/src/parachains.rs
+++ b/polkadot/runtime/common/src/parachains.rs
@@ -1772,6 +1772,7 @@ mod tests {
 		type Call = Call;
 		type UnsignedPriority = StakingUnsignedPriority;
 		type MaxIterations = ();
+		type MinSolutionScoreBump = ();
 	}
 
 	impl attestations::Trait for Test {
diff --git a/polkadot/runtime/common/src/registrar.rs b/polkadot/runtime/common/src/registrar.rs
index 9e79e29a79..d292b15b8c 100644
--- a/polkadot/runtime/common/src/registrar.rs
+++ b/polkadot/runtime/common/src/registrar.rs
@@ -846,6 +846,7 @@ mod tests {
 		type Call = Call;
 		type UnsignedPriority = StakingUnsignedPriority;
 		type MaxIterations = ();
+		type MinSolutionScoreBump = ();
 	}
 
 	impl timestamp::Trait for Test {
diff --git a/polkadot/runtime/kusama/src/lib.rs b/polkadot/runtime/kusama/src/lib.rs
index 0fc6990606..2b3804047b 100644
--- a/polkadot/runtime/kusama/src/lib.rs
+++ b/polkadot/runtime/kusama/src/lib.rs
@@ -287,7 +287,8 @@ parameter_types! {
 	pub const MaxNominatorRewardedPerValidator: u32 = 64;
 	// quarter of the last session will be for election.
 	pub const ElectionLookahead: BlockNumber = EPOCH_DURATION_IN_BLOCKS / 4;
-	pub const MaxIterations: u32 = 5;
+	pub const MaxIterations: u32 = 10;
+	pub MinSolutionScoreBump: Perbill = Perbill::from_rational_approximation(5u32, 10_000);
 }
 
 impl staking::Trait for Runtime {
@@ -311,6 +312,7 @@ impl staking::Trait for Runtime {
 	type Call = Call;
 	type UnsignedPriority = StakingUnsignedPriority;
 	type MaxIterations = MaxIterations;
+	type MinSolutionScoreBump = MinSolutionScoreBump;
 }
 
 parameter_types! {
diff --git a/polkadot/runtime/polkadot/src/lib.rs b/polkadot/runtime/polkadot/src/lib.rs
index aa99fe9da6..bc2c9f3c21 100644
--- a/polkadot/runtime/polkadot/src/lib.rs
+++ b/polkadot/runtime/polkadot/src/lib.rs
@@ -306,7 +306,8 @@ parameter_types! {
 	pub const MaxNominatorRewardedPerValidator: u32 = 64;
 	// quarter of the last session will be for election.
 	pub const ElectionLookahead: BlockNumber = EPOCH_DURATION_IN_BLOCKS / 16;
-	pub const MaxIterations: u32 = 5;
+	pub const MaxIterations: u32 = 10;
+	pub MinSolutionScoreBump: Perbill = Perbill::from_rational_approximation(5u32, 10_000);
 }
 
 impl staking::Trait for Runtime {
@@ -330,6 +331,7 @@ impl staking::Trait for Runtime {
 	type Call = Call;
 	type UnsignedPriority = StakingUnsignedPriority;
 	type MaxIterations = MaxIterations;
+	type MinSolutionScoreBump = MinSolutionScoreBump;
 }
 
 const fn deposit(items: u32, bytes: u32) -> Balance {
diff --git a/polkadot/runtime/test-runtime/src/lib.rs b/polkadot/runtime/test-runtime/src/lib.rs
index bb89250c2b..15cfbe96b9 100644
--- a/polkadot/runtime/test-runtime/src/lib.rs
+++ b/polkadot/runtime/test-runtime/src/lib.rs
@@ -289,6 +289,7 @@ parameter_types! {
 	pub const ElectionLookahead: BlockNumber = 0;
 	pub const StakingUnsignedPriority: TransactionPriority = TransactionPriority::max_value() / 2;
 	pub const MaxIterations: u32 = 10;
+	pub MinSolutionScoreBump: Perbill = Perbill::from_rational_approximation(5u32, 10_000);
 }
 
 impl staking::Trait for Runtime {
@@ -312,6 +313,7 @@ impl staking::Trait for Runtime {
 	type Call = Call;
 	type UnsignedPriority = StakingUnsignedPriority;
 	type MaxIterations = MaxIterations;
+	type MinSolutionScoreBump = MinSolutionScoreBump;
 }
 
 impl grandpa::Trait for Runtime {
diff --git a/polkadot/runtime/westend/src/lib.rs b/polkadot/runtime/westend/src/lib.rs
index 99e0710095..562b312c8f 100644
--- a/polkadot/runtime/westend/src/lib.rs
+++ b/polkadot/runtime/westend/src/lib.rs
@@ -278,6 +278,7 @@ parameter_types! {
 	// quarter of the last session will be for election.
 	pub const ElectionLookahead: BlockNumber = EPOCH_DURATION_IN_BLOCKS / 4;
 	pub const MaxIterations: u32 = 10;
+	pub MinSolutionScoreBump: Perbill = Perbill::from_rational_approximation(5u32, 10_000);
 }
 
 impl staking::Trait for Runtime {
@@ -301,6 +302,7 @@ impl staking::Trait for Runtime {
 	type Call = Call;
 	type UnsignedPriority = StakingUnsignedPriority;
 	type MaxIterations = MaxIterations;
+	type MinSolutionScoreBump = MinSolutionScoreBump;
 }
 
 parameter_types! {