diff --git a/polkadot/Cargo.lock b/polkadot/Cargo.lock
index 2235f51ea0..ac11aae261 100644
--- a/polkadot/Cargo.lock
+++ b/polkadot/Cargo.lock
@@ -1262,7 +1262,7 @@ checksum = "2fad85553e09a6f881f739c29f0b00b0f01357c743266d478b68951ce23285f3"
 [[package]]
 name = "fork-tree"
 version = "2.0.0-alpha.5"
-source = "git+https://github.com/paritytech/substrate#11493abe7d052c7465fa7760c57824fb455e0e68"
+source = "git+https://github.com/paritytech/substrate#50cd50232e78169b6374e37bbf83892f2e27b427"
 dependencies = [
  "parity-scale-codec",
 ]
@@ -1270,7 +1270,7 @@ dependencies = [
 [[package]]
 name = "frame-benchmarking"
 version = "2.0.0-alpha.5"
-source = "git+https://github.com/paritytech/substrate#11493abe7d052c7465fa7760c57824fb455e0e68"
+source = "git+https://github.com/paritytech/substrate#50cd50232e78169b6374e37bbf83892f2e27b427"
 dependencies = [
  "frame-support",
  "frame-system",
@@ -1287,7 +1287,7 @@ dependencies = [
 [[package]]
 name = "frame-benchmarking-cli"
 version = "2.0.0-alpha.5"
-source = "git+https://github.com/paritytech/substrate#11493abe7d052c7465fa7760c57824fb455e0e68"
+source = "git+https://github.com/paritytech/substrate#50cd50232e78169b6374e37bbf83892f2e27b427"
 dependencies = [
  "frame-benchmarking",
  "parity-scale-codec",
@@ -1306,7 +1306,7 @@ dependencies = [
 [[package]]
 name = "frame-executive"
 version = "2.0.0-alpha.5"
-source = "git+https://github.com/paritytech/substrate#11493abe7d052c7465fa7760c57824fb455e0e68"
+source = "git+https://github.com/paritytech/substrate#50cd50232e78169b6374e37bbf83892f2e27b427"
 dependencies = [
  "frame-support",
  "frame-system",
@@ -1319,7 +1319,7 @@ dependencies = [
 [[package]]
 name = "frame-metadata"
 version = "11.0.0-alpha.5"
-source = "git+https://github.com/paritytech/substrate#11493abe7d052c7465fa7760c57824fb455e0e68"
+source = "git+https://github.com/paritytech/substrate#50cd50232e78169b6374e37bbf83892f2e27b427"
 dependencies = [
  "parity-scale-codec",
  "serde",
@@ -1330,7 +1330,7 @@ dependencies = [
 [[package]]
 name = "frame-support"
 version = "2.0.0-alpha.5"
-source = "git+https://github.com/paritytech/substrate#11493abe7d052c7465fa7760c57824fb455e0e68"
+source = "git+https://github.com/paritytech/substrate#50cd50232e78169b6374e37bbf83892f2e27b427"
 dependencies = [
  "bitmask",
  "frame-metadata",
@@ -1354,7 +1354,7 @@ dependencies = [
 [[package]]
 name = "frame-support-procedural"
 version = "2.0.0-alpha.5"
-source = "git+https://github.com/paritytech/substrate#11493abe7d052c7465fa7760c57824fb455e0e68"
+source = "git+https://github.com/paritytech/substrate#50cd50232e78169b6374e37bbf83892f2e27b427"
 dependencies = [
  "frame-support-procedural-tools",
  "proc-macro2 1.0.9",
@@ -1365,7 +1365,7 @@ dependencies = [
 [[package]]
 name = "frame-support-procedural-tools"
 version = "2.0.0-alpha.5"
-source = "git+https://github.com/paritytech/substrate#11493abe7d052c7465fa7760c57824fb455e0e68"
+source = "git+https://github.com/paritytech/substrate#50cd50232e78169b6374e37bbf83892f2e27b427"
 dependencies = [
  "frame-support-procedural-tools-derive",
  "proc-macro-crate",
@@ -1377,7 +1377,7 @@ dependencies = [
 [[package]]
 name = "frame-support-procedural-tools-derive"
 version = "2.0.0-alpha.5"
-source = "git+https://github.com/paritytech/substrate#11493abe7d052c7465fa7760c57824fb455e0e68"
+source = "git+https://github.com/paritytech/substrate#50cd50232e78169b6374e37bbf83892f2e27b427"
 dependencies = [
  "proc-macro2 1.0.9",
  "quote 1.0.3",
@@ -1387,7 +1387,7 @@ dependencies = [
 [[package]]
 name = "frame-system"
 version = "2.0.0-alpha.5"
-source = "git+https://github.com/paritytech/substrate#11493abe7d052c7465fa7760c57824fb455e0e68"
+source = "git+https://github.com/paritytech/substrate#50cd50232e78169b6374e37bbf83892f2e27b427"
 dependencies = [
  "frame-support",
  "impl-trait-for-tuples",
@@ -1403,7 +1403,7 @@ dependencies = [
 [[package]]
 name = "frame-system-rpc-runtime-api"
 version = "2.0.0-alpha.5"
-source = "git+https://github.com/paritytech/substrate#11493abe7d052c7465fa7760c57824fb455e0e68"
+source = "git+https://github.com/paritytech/substrate#50cd50232e78169b6374e37bbf83892f2e27b427"
 dependencies = [
  "parity-scale-codec",
  "sp-api",
@@ -3285,7 +3285,7 @@ dependencies = [
 [[package]]
 name = "pallet-authority-discovery"
 version = "2.0.0-alpha.5"
-source = "git+https://github.com/paritytech/substrate#11493abe7d052c7465fa7760c57824fb455e0e68"
+source = "git+https://github.com/paritytech/substrate#50cd50232e78169b6374e37bbf83892f2e27b427"
 dependencies = [
  "frame-support",
  "frame-system",
@@ -3303,7 +3303,7 @@ dependencies = [
 [[package]]
 name = "pallet-authorship"
 version = "2.0.0-alpha.5"
-source = "git+https://github.com/paritytech/substrate#11493abe7d052c7465fa7760c57824fb455e0e68"
+source = "git+https://github.com/paritytech/substrate#50cd50232e78169b6374e37bbf83892f2e27b427"
 dependencies = [
  "frame-support",
  "frame-system",
@@ -3320,7 +3320,7 @@ dependencies = [
 [[package]]
 name = "pallet-babe"
 version = "2.0.0-alpha.5"
-source = "git+https://github.com/paritytech/substrate#11493abe7d052c7465fa7760c57824fb455e0e68"
+source = "git+https://github.com/paritytech/substrate#50cd50232e78169b6374e37bbf83892f2e27b427"
 dependencies = [
  "frame-support",
  "frame-system",
@@ -3341,7 +3341,7 @@ dependencies = [
 [[package]]
 name = "pallet-balances"
 version = "2.0.0-alpha.5"
-source = "git+https://github.com/paritytech/substrate#11493abe7d052c7465fa7760c57824fb455e0e68"
+source = "git+https://github.com/paritytech/substrate#50cd50232e78169b6374e37bbf83892f2e27b427"
 dependencies = [
  "frame-benchmarking",
  "frame-support",
@@ -3356,7 +3356,7 @@ dependencies = [
 [[package]]
 name = "pallet-collective"
 version = "2.0.0-alpha.5"
-source = "git+https://github.com/paritytech/substrate#11493abe7d052c7465fa7760c57824fb455e0e68"
+source = "git+https://github.com/paritytech/substrate#50cd50232e78169b6374e37bbf83892f2e27b427"
 dependencies = [
  "frame-benchmarking",
  "frame-support",
@@ -3372,7 +3372,7 @@ dependencies = [
 [[package]]
 name = "pallet-democracy"
 version = "2.0.0-alpha.5"
-source = "git+https://github.com/paritytech/substrate#11493abe7d052c7465fa7760c57824fb455e0e68"
+source = "git+https://github.com/paritytech/substrate#50cd50232e78169b6374e37bbf83892f2e27b427"
 dependencies = [
  "frame-benchmarking",
  "frame-support",
@@ -3387,7 +3387,7 @@ dependencies = [
 [[package]]
 name = "pallet-elections-phragmen"
 version = "2.0.0-alpha.5"
-source = "git+https://github.com/paritytech/substrate#11493abe7d052c7465fa7760c57824fb455e0e68"
+source = "git+https://github.com/paritytech/substrate#50cd50232e78169b6374e37bbf83892f2e27b427"
 dependencies = [
  "frame-support",
  "frame-system",
@@ -3401,7 +3401,7 @@ dependencies = [
 [[package]]
 name = "pallet-finality-tracker"
 version = "2.0.0-alpha.5"
-source = "git+https://github.com/paritytech/substrate#11493abe7d052c7465fa7760c57824fb455e0e68"
+source = "git+https://github.com/paritytech/substrate#50cd50232e78169b6374e37bbf83892f2e27b427"
 dependencies = [
  "frame-support",
  "frame-system",
@@ -3417,7 +3417,7 @@ dependencies = [
 [[package]]
 name = "pallet-grandpa"
 version = "2.0.0-alpha.5"
-source = "git+https://github.com/paritytech/substrate#11493abe7d052c7465fa7760c57824fb455e0e68"
+source = "git+https://github.com/paritytech/substrate#50cd50232e78169b6374e37bbf83892f2e27b427"
 dependencies = [
  "frame-support",
  "frame-system",
@@ -3435,7 +3435,7 @@ dependencies = [
 [[package]]
 name = "pallet-identity"
 version = "2.0.0-alpha.5"
-source = "git+https://github.com/paritytech/substrate#11493abe7d052c7465fa7760c57824fb455e0e68"
+source = "git+https://github.com/paritytech/substrate#50cd50232e78169b6374e37bbf83892f2e27b427"
 dependencies = [
  "enumflags2",
  "frame-benchmarking",
@@ -3451,7 +3451,7 @@ dependencies = [
 [[package]]
 name = "pallet-im-online"
 version = "2.0.0-alpha.5"
-source = "git+https://github.com/paritytech/substrate#11493abe7d052c7465fa7760c57824fb455e0e68"
+source = "git+https://github.com/paritytech/substrate#50cd50232e78169b6374e37bbf83892f2e27b427"
 dependencies = [
  "frame-support",
  "frame-system",
@@ -3470,7 +3470,7 @@ dependencies = [
 [[package]]
 name = "pallet-indices"
 version = "2.0.0-alpha.5"
-source = "git+https://github.com/paritytech/substrate#11493abe7d052c7465fa7760c57824fb455e0e68"
+source = "git+https://github.com/paritytech/substrate#50cd50232e78169b6374e37bbf83892f2e27b427"
 dependencies = [
  "frame-support",
  "frame-system",
@@ -3486,7 +3486,7 @@ dependencies = [
 [[package]]
 name = "pallet-membership"
 version = "2.0.0-alpha.5"
-source = "git+https://github.com/paritytech/substrate#11493abe7d052c7465fa7760c57824fb455e0e68"
+source = "git+https://github.com/paritytech/substrate#50cd50232e78169b6374e37bbf83892f2e27b427"
 dependencies = [
  "frame-support",
  "frame-system",
@@ -3500,7 +3500,7 @@ dependencies = [
 [[package]]
 name = "pallet-nicks"
 version = "2.0.0-alpha.5"
-source = "git+https://github.com/paritytech/substrate#11493abe7d052c7465fa7760c57824fb455e0e68"
+source = "git+https://github.com/paritytech/substrate#50cd50232e78169b6374e37bbf83892f2e27b427"
 dependencies = [
  "frame-support",
  "frame-system",
@@ -3514,7 +3514,7 @@ dependencies = [
 [[package]]
 name = "pallet-offences"
 version = "2.0.0-alpha.5"
-source = "git+https://github.com/paritytech/substrate#11493abe7d052c7465fa7760c57824fb455e0e68"
+source = "git+https://github.com/paritytech/substrate#50cd50232e78169b6374e37bbf83892f2e27b427"
 dependencies = [
  "frame-support",
  "frame-system",
@@ -3529,7 +3529,7 @@ dependencies = [
 [[package]]
 name = "pallet-randomness-collective-flip"
 version = "2.0.0-alpha.5"
-source = "git+https://github.com/paritytech/substrate#11493abe7d052c7465fa7760c57824fb455e0e68"
+source = "git+https://github.com/paritytech/substrate#50cd50232e78169b6374e37bbf83892f2e27b427"
 dependencies = [
  "frame-support",
  "frame-system",
@@ -3542,7 +3542,7 @@ dependencies = [
 [[package]]
 name = "pallet-recovery"
 version = "2.0.0-alpha.5"
-source = "git+https://github.com/paritytech/substrate#11493abe7d052c7465fa7760c57824fb455e0e68"
+source = "git+https://github.com/paritytech/substrate#50cd50232e78169b6374e37bbf83892f2e27b427"
 dependencies = [
  "enumflags2",
  "frame-support",
@@ -3557,7 +3557,7 @@ dependencies = [
 [[package]]
 name = "pallet-scheduler"
 version = "2.0.0-alpha.5"
-source = "git+https://github.com/paritytech/substrate#11493abe7d052c7465fa7760c57824fb455e0e68"
+source = "git+https://github.com/paritytech/substrate#50cd50232e78169b6374e37bbf83892f2e27b427"
 dependencies = [
  "frame-benchmarking",
  "frame-support",
@@ -3572,7 +3572,7 @@ dependencies = [
 [[package]]
 name = "pallet-session"
 version = "2.0.0-alpha.5"
-source = "git+https://github.com/paritytech/substrate#11493abe7d052c7465fa7760c57824fb455e0e68"
+source = "git+https://github.com/paritytech/substrate#50cd50232e78169b6374e37bbf83892f2e27b427"
 dependencies = [
  "frame-support",
  "frame-system",
@@ -3590,7 +3590,7 @@ dependencies = [
 [[package]]
 name = "pallet-society"
 version = "2.0.0-alpha.5"
-source = "git+https://github.com/paritytech/substrate#11493abe7d052c7465fa7760c57824fb455e0e68"
+source = "git+https://github.com/paritytech/substrate#50cd50232e78169b6374e37bbf83892f2e27b427"
 dependencies = [
  "frame-support",
  "frame-system",
@@ -3605,7 +3605,7 @@ dependencies = [
 [[package]]
 name = "pallet-staking"
 version = "2.0.0-alpha.5"
-source = "git+https://github.com/paritytech/substrate#11493abe7d052c7465fa7760c57824fb455e0e68"
+source = "git+https://github.com/paritytech/substrate#50cd50232e78169b6374e37bbf83892f2e27b427"
 dependencies = [
  "frame-support",
  "frame-system",
@@ -3626,7 +3626,7 @@ dependencies = [
 [[package]]
 name = "pallet-staking-reward-curve"
 version = "2.0.0-alpha.5"
-source = "git+https://github.com/paritytech/substrate#11493abe7d052c7465fa7760c57824fb455e0e68"
+source = "git+https://github.com/paritytech/substrate#50cd50232e78169b6374e37bbf83892f2e27b427"
 dependencies = [
  "proc-macro-crate",
  "proc-macro2 1.0.9",
@@ -3637,7 +3637,7 @@ dependencies = [
 [[package]]
 name = "pallet-sudo"
 version = "2.0.0-alpha.5"
-source = "git+https://github.com/paritytech/substrate#11493abe7d052c7465fa7760c57824fb455e0e68"
+source = "git+https://github.com/paritytech/substrate#50cd50232e78169b6374e37bbf83892f2e27b427"
 dependencies = [
  "frame-support",
  "frame-system",
@@ -3651,7 +3651,7 @@ dependencies = [
 [[package]]
 name = "pallet-timestamp"
 version = "2.0.0-alpha.5"
-source = "git+https://github.com/paritytech/substrate#11493abe7d052c7465fa7760c57824fb455e0e68"
+source = "git+https://github.com/paritytech/substrate#50cd50232e78169b6374e37bbf83892f2e27b427"
 dependencies = [
  "frame-benchmarking",
  "frame-support",
@@ -3668,7 +3668,7 @@ dependencies = [
 [[package]]
 name = "pallet-transaction-payment"
 version = "2.0.0-alpha.5"
-source = "git+https://github.com/paritytech/substrate#11493abe7d052c7465fa7760c57824fb455e0e68"
+source = "git+https://github.com/paritytech/substrate#50cd50232e78169b6374e37bbf83892f2e27b427"
 dependencies = [
  "frame-support",
  "frame-system",
@@ -3681,7 +3681,7 @@ dependencies = [
 [[package]]
 name = "pallet-transaction-payment-rpc"
 version = "2.0.0-alpha.5"
-source = "git+https://github.com/paritytech/substrate#11493abe7d052c7465fa7760c57824fb455e0e68"
+source = "git+https://github.com/paritytech/substrate#50cd50232e78169b6374e37bbf83892f2e27b427"
 dependencies = [
  "jsonrpc-core",
  "jsonrpc-core-client",
@@ -3699,7 +3699,7 @@ dependencies = [
 [[package]]
 name = "pallet-transaction-payment-rpc-runtime-api"
 version = "2.0.0-alpha.5"
-source = "git+https://github.com/paritytech/substrate#11493abe7d052c7465fa7760c57824fb455e0e68"
+source = "git+https://github.com/paritytech/substrate#50cd50232e78169b6374e37bbf83892f2e27b427"
 dependencies = [
  "frame-support",
  "parity-scale-codec",
@@ -3712,7 +3712,7 @@ dependencies = [
 [[package]]
 name = "pallet-treasury"
 version = "2.0.0-alpha.5"
-source = "git+https://github.com/paritytech/substrate#11493abe7d052c7465fa7760c57824fb455e0e68"
+source = "git+https://github.com/paritytech/substrate#50cd50232e78169b6374e37bbf83892f2e27b427"
 dependencies = [
  "frame-support",
  "frame-system",
@@ -3726,7 +3726,7 @@ dependencies = [
 [[package]]
 name = "pallet-utility"
 version = "2.0.0-alpha.5"
-source = "git+https://github.com/paritytech/substrate#11493abe7d052c7465fa7760c57824fb455e0e68"
+source = "git+https://github.com/paritytech/substrate#50cd50232e78169b6374e37bbf83892f2e27b427"
 dependencies = [
  "frame-support",
  "frame-system",
@@ -3741,7 +3741,7 @@ dependencies = [
 [[package]]
 name = "pallet-vesting"
 version = "2.0.0-alpha.5"
-source = "git+https://github.com/paritytech/substrate#11493abe7d052c7465fa7760c57824fb455e0e68"
+source = "git+https://github.com/paritytech/substrate#50cd50232e78169b6374e37bbf83892f2e27b427"
 dependencies = [
  "enumflags2",
  "frame-support",
@@ -5242,7 +5242,7 @@ dependencies = [
 [[package]]
 name = "sc-authority-discovery"
 version = "0.8.0-alpha.5"
-source = "git+https://github.com/paritytech/substrate#11493abe7d052c7465fa7760c57824fb455e0e68"
+source = "git+https://github.com/paritytech/substrate#50cd50232e78169b6374e37bbf83892f2e27b427"
 dependencies = [
  "bytes 0.5.4",
  "derive_more 0.99.3",
@@ -5269,7 +5269,7 @@ dependencies = [
 [[package]]
 name = "sc-block-builder"
 version = "0.8.0-alpha.5"
-source = "git+https://github.com/paritytech/substrate#11493abe7d052c7465fa7760c57824fb455e0e68"
+source = "git+https://github.com/paritytech/substrate#50cd50232e78169b6374e37bbf83892f2e27b427"
 dependencies = [
  "parity-scale-codec",
  "sc-client-api",
@@ -5285,7 +5285,7 @@ dependencies = [
 [[package]]
 name = "sc-chain-spec"
 version = "2.0.0-alpha.5"
-source = "git+https://github.com/paritytech/substrate#11493abe7d052c7465fa7760c57824fb455e0e68"
+source = "git+https://github.com/paritytech/substrate#50cd50232e78169b6374e37bbf83892f2e27b427"
 dependencies = [
  "impl-trait-for-tuples",
  "sc-chain-spec-derive",
@@ -5293,6 +5293,7 @@ dependencies = [
  "sc-telemetry",
  "serde",
  "serde_json",
+ "sp-chain-spec",
  "sp-core",
  "sp-runtime",
 ]
@@ -5300,7 +5301,7 @@ dependencies = [
 [[package]]
 name = "sc-chain-spec-derive"
 version = "2.0.0-alpha.5"
-source = "git+https://github.com/paritytech/substrate#11493abe7d052c7465fa7760c57824fb455e0e68"
+source = "git+https://github.com/paritytech/substrate#50cd50232e78169b6374e37bbf83892f2e27b427"
 dependencies = [
  "proc-macro-crate",
  "proc-macro2 1.0.9",
@@ -5311,7 +5312,7 @@ dependencies = [
 [[package]]
 name = "sc-cli"
 version = "0.8.0-alpha.5"
-source = "git+https://github.com/paritytech/substrate#11493abe7d052c7465fa7760c57824fb455e0e68"
+source = "git+https://github.com/paritytech/substrate#50cd50232e78169b6374e37bbf83892f2e27b427"
 dependencies = [
  "ansi_term 0.12.1",
  "app_dirs",
@@ -5352,7 +5353,7 @@ dependencies = [
 [[package]]
 name = "sc-client"
 version = "0.8.0-alpha.5"
-source = "git+https://github.com/paritytech/substrate#11493abe7d052c7465fa7760c57824fb455e0e68"
+source = "git+https://github.com/paritytech/substrate#50cd50232e78169b6374e37bbf83892f2e27b427"
 dependencies = [
  "derive_more 0.99.3",
  "fnv",
@@ -5387,7 +5388,7 @@ dependencies = [
 [[package]]
 name = "sc-client-api"
 version = "2.0.0-alpha.5"
-source = "git+https://github.com/paritytech/substrate#11493abe7d052c7465fa7760c57824fb455e0e68"
+source = "git+https://github.com/paritytech/substrate#50cd50232e78169b6374e37bbf83892f2e27b427"
 dependencies = [
  "derive_more 0.99.3",
  "fnv",
@@ -5421,7 +5422,7 @@ dependencies = [
 [[package]]
 name = "sc-client-db"
 version = "0.8.0-alpha.5"
-source = "git+https://github.com/paritytech/substrate#11493abe7d052c7465fa7760c57824fb455e0e68"
+source = "git+https://github.com/paritytech/substrate#50cd50232e78169b6374e37bbf83892f2e27b427"
 dependencies = [
  "hash-db",
  "kvdb",
@@ -5449,7 +5450,7 @@ dependencies = [
 [[package]]
 name = "sc-consensus-babe"
 version = "0.8.0-alpha.5"
-source = "git+https://github.com/paritytech/substrate#11493abe7d052c7465fa7760c57824fb455e0e68"
+source = "git+https://github.com/paritytech/substrate#50cd50232e78169b6374e37bbf83892f2e27b427"
 dependencies = [
  "derive_more 0.99.3",
  "fork-tree",
@@ -5491,7 +5492,7 @@ dependencies = [
 [[package]]
 name = "sc-consensus-epochs"
 version = "0.8.0-alpha.5"
-source = "git+https://github.com/paritytech/substrate#11493abe7d052c7465fa7760c57824fb455e0e68"
+source = "git+https://github.com/paritytech/substrate#50cd50232e78169b6374e37bbf83892f2e27b427"
 dependencies = [
  "fork-tree",
  "parity-scale-codec",
@@ -5504,7 +5505,7 @@ dependencies = [
 [[package]]
 name = "sc-consensus-slots"
 version = "0.8.0-alpha.5"
-source = "git+https://github.com/paritytech/substrate#11493abe7d052c7465fa7760c57824fb455e0e68"
+source = "git+https://github.com/paritytech/substrate#50cd50232e78169b6374e37bbf83892f2e27b427"
 dependencies = [
  "futures 0.3.4",
  "futures-timer 3.0.2",
@@ -5525,7 +5526,7 @@ dependencies = [
 [[package]]
 name = "sc-consensus-uncles"
 version = "0.8.0-alpha.5"
-source = "git+https://github.com/paritytech/substrate#11493abe7d052c7465fa7760c57824fb455e0e68"
+source = "git+https://github.com/paritytech/substrate#50cd50232e78169b6374e37bbf83892f2e27b427"
 dependencies = [
  "log 0.4.8",
  "sc-client-api",
@@ -5539,7 +5540,7 @@ dependencies = [
 [[package]]
 name = "sc-executor"
 version = "0.8.0-alpha.5"
-source = "git+https://github.com/paritytech/substrate#11493abe7d052c7465fa7760c57824fb455e0e68"
+source = "git+https://github.com/paritytech/substrate#50cd50232e78169b6374e37bbf83892f2e27b427"
 dependencies = [
  "derive_more 0.99.3",
  "lazy_static",
@@ -5566,11 +5567,12 @@ dependencies = [
 [[package]]
 name = "sc-executor-common"
 version = "0.8.0-alpha.5"
-source = "git+https://github.com/paritytech/substrate#11493abe7d052c7465fa7760c57824fb455e0e68"
+source = "git+https://github.com/paritytech/substrate#50cd50232e78169b6374e37bbf83892f2e27b427"
 dependencies = [
  "derive_more 0.99.3",
  "log 0.4.8",
  "parity-scale-codec",
+ "parity-wasm",
  "sp-allocator",
  "sp-core",
  "sp-runtime-interface",
@@ -5582,11 +5584,10 @@ dependencies = [
 [[package]]
 name = "sc-executor-wasmi"
 version = "0.8.0-alpha.5"
-source = "git+https://github.com/paritytech/substrate#11493abe7d052c7465fa7760c57824fb455e0e68"
+source = "git+https://github.com/paritytech/substrate#50cd50232e78169b6374e37bbf83892f2e27b427"
 dependencies = [
  "log 0.4.8",
  "parity-scale-codec",
- "parity-wasm",
  "sc-executor-common",
  "sp-allocator",
  "sp-core",
@@ -5598,8 +5599,10 @@ dependencies = [
 [[package]]
 name = "sc-executor-wasmtime"
 version = "0.8.0-alpha.5"
-source = "git+https://github.com/paritytech/substrate#11493abe7d052c7465fa7760c57824fb455e0e68"
+source = "git+https://github.com/paritytech/substrate#50cd50232e78169b6374e37bbf83892f2e27b427"
 dependencies = [
+ "cranelift-codegen",
+ "cranelift-wasm",
  "log 0.4.8",
  "parity-scale-codec",
  "parity-wasm",
@@ -5610,12 +5613,14 @@ dependencies = [
  "sp-runtime-interface",
  "sp-wasm-interface",
  "substrate-wasmtime",
+ "substrate-wasmtime-runtime",
+ "wasmtime-environ",
 ]
 
 [[package]]
 name = "sc-finality-grandpa"
 version = "0.8.0-alpha.5"
-source = "git+https://github.com/paritytech/substrate#11493abe7d052c7465fa7760c57824fb455e0e68"
+source = "git+https://github.com/paritytech/substrate#50cd50232e78169b6374e37bbf83892f2e27b427"
 dependencies = [
  "assert_matches",
  "finality-grandpa",
@@ -5651,7 +5656,7 @@ dependencies = [
 [[package]]
 name = "sc-informant"
 version = "0.8.0-alpha.5"
-source = "git+https://github.com/paritytech/substrate#11493abe7d052c7465fa7760c57824fb455e0e68"
+source = "git+https://github.com/paritytech/substrate#50cd50232e78169b6374e37bbf83892f2e27b427"
 dependencies = [
  "ansi_term 0.12.1",
  "futures 0.3.4",
@@ -5668,7 +5673,7 @@ dependencies = [
 [[package]]
 name = "sc-keystore"
 version = "2.0.0-alpha.5"
-source = "git+https://github.com/paritytech/substrate#11493abe7d052c7465fa7760c57824fb455e0e68"
+source = "git+https://github.com/paritytech/substrate#50cd50232e78169b6374e37bbf83892f2e27b427"
 dependencies = [
  "derive_more 0.99.3",
  "hex",
@@ -5683,7 +5688,7 @@ dependencies = [
 [[package]]
 name = "sc-network"
 version = "0.8.0-alpha.5"
-source = "git+https://github.com/paritytech/substrate#11493abe7d052c7465fa7760c57824fb455e0e68"
+source = "git+https://github.com/paritytech/substrate#50cd50232e78169b6374e37bbf83892f2e27b427"
 dependencies = [
  "bitflags",
  "bytes 0.5.4",
@@ -5735,7 +5740,7 @@ dependencies = [
 [[package]]
 name = "sc-network-gossip"
 version = "0.8.0-alpha.5"
-source = "git+https://github.com/paritytech/substrate#11493abe7d052c7465fa7760c57824fb455e0e68"
+source = "git+https://github.com/paritytech/substrate#50cd50232e78169b6374e37bbf83892f2e27b427"
 dependencies = [
  "futures 0.3.4",
  "futures-timer 3.0.2",
@@ -5751,7 +5756,7 @@ dependencies = [
 [[package]]
 name = "sc-network-test"
 version = "0.8.0-dev"
-source = "git+https://github.com/paritytech/substrate#11493abe7d052c7465fa7760c57824fb455e0e68"
+source = "git+https://github.com/paritytech/substrate#50cd50232e78169b6374e37bbf83892f2e27b427"
 dependencies = [
  "env_logger 0.7.1",
  "futures 0.3.4",
@@ -5777,7 +5782,7 @@ dependencies = [
 [[package]]
 name = "sc-offchain"
 version = "2.0.0-alpha.5"
-source = "git+https://github.com/paritytech/substrate#11493abe7d052c7465fa7760c57824fb455e0e68"
+source = "git+https://github.com/paritytech/substrate#50cd50232e78169b6374e37bbf83892f2e27b427"
 dependencies = [
  "bytes 0.5.4",
  "fnv",
@@ -5804,7 +5809,7 @@ dependencies = [
 [[package]]
 name = "sc-peerset"
 version = "2.0.0-alpha.5"
-source = "git+https://github.com/paritytech/substrate#11493abe7d052c7465fa7760c57824fb455e0e68"
+source = "git+https://github.com/paritytech/substrate#50cd50232e78169b6374e37bbf83892f2e27b427"
 dependencies = [
  "futures 0.3.4",
  "libp2p",
@@ -5817,7 +5822,7 @@ dependencies = [
 [[package]]
 name = "sc-rpc"
 version = "2.0.0-alpha.5"
-source = "git+https://github.com/paritytech/substrate#11493abe7d052c7465fa7760c57824fb455e0e68"
+source = "git+https://github.com/paritytech/substrate#50cd50232e78169b6374e37bbf83892f2e27b427"
 dependencies = [
  "futures 0.3.4",
  "hash-db",
@@ -5835,6 +5840,7 @@ dependencies = [
  "serde_json",
  "sp-api",
  "sp-blockchain",
+ "sp-chain-spec",
  "sp-core",
  "sp-offchain",
  "sp-rpc",
@@ -5849,7 +5855,7 @@ dependencies = [
 [[package]]
 name = "sc-rpc-api"
 version = "0.8.0-alpha.5"
-source = "git+https://github.com/paritytech/substrate#11493abe7d052c7465fa7760c57824fb455e0e68"
+source = "git+https://github.com/paritytech/substrate#50cd50232e78169b6374e37bbf83892f2e27b427"
 dependencies = [
  "derive_more 0.99.3",
  "futures 0.3.4",
@@ -5862,6 +5868,7 @@ dependencies = [
  "parking_lot 0.10.0",
  "serde",
  "serde_json",
+ "sp-chain-spec",
  "sp-core",
  "sp-rpc",
  "sp-runtime",
@@ -5872,7 +5879,7 @@ dependencies = [
 [[package]]
 name = "sc-rpc-server"
 version = "2.0.0-alpha.5"
-source = "git+https://github.com/paritytech/substrate#11493abe7d052c7465fa7760c57824fb455e0e68"
+source = "git+https://github.com/paritytech/substrate#50cd50232e78169b6374e37bbf83892f2e27b427"
 dependencies = [
  "jsonrpc-core",
  "jsonrpc-http-server",
@@ -5887,7 +5894,7 @@ dependencies = [
 [[package]]
 name = "sc-service"
 version = "0.8.0-alpha.5"
-source = "git+https://github.com/paritytech/substrate#11493abe7d052c7465fa7760c57824fb455e0e68"
+source = "git+https://github.com/paritytech/substrate#50cd50232e78169b6374e37bbf83892f2e27b427"
 dependencies = [
  "derive_more 0.99.3",
  "exit-future",
@@ -5938,7 +5945,7 @@ dependencies = [
 [[package]]
 name = "sc-state-db"
 version = "0.8.0-alpha.5"
-source = "git+https://github.com/paritytech/substrate#11493abe7d052c7465fa7760c57824fb455e0e68"
+source = "git+https://github.com/paritytech/substrate#50cd50232e78169b6374e37bbf83892f2e27b427"
 dependencies = [
  "log 0.4.8",
  "parity-scale-codec",
@@ -5952,7 +5959,7 @@ dependencies = [
 [[package]]
 name = "sc-telemetry"
 version = "2.0.0-alpha.5"
-source = "git+https://github.com/paritytech/substrate#11493abe7d052c7465fa7760c57824fb455e0e68"
+source = "git+https://github.com/paritytech/substrate#50cd50232e78169b6374e37bbf83892f2e27b427"
 dependencies = [
  "bytes 0.5.4",
  "futures 0.3.4",
@@ -5974,7 +5981,7 @@ dependencies = [
 [[package]]
 name = "sc-tracing"
 version = "2.0.0-alpha.5"
-source = "git+https://github.com/paritytech/substrate#11493abe7d052c7465fa7760c57824fb455e0e68"
+source = "git+https://github.com/paritytech/substrate#50cd50232e78169b6374e37bbf83892f2e27b427"
 dependencies = [
  "erased-serde",
  "log 0.4.8",
@@ -5989,7 +5996,7 @@ dependencies = [
 [[package]]
 name = "sc-transaction-graph"
 version = "2.0.0-alpha.5"
-source = "git+https://github.com/paritytech/substrate#11493abe7d052c7465fa7760c57824fb455e0e68"
+source = "git+https://github.com/paritytech/substrate#50cd50232e78169b6374e37bbf83892f2e27b427"
 dependencies = [
  "derive_more 0.99.3",
  "futures 0.3.4",
@@ -6009,7 +6016,7 @@ dependencies = [
 [[package]]
 name = "sc-transaction-pool"
 version = "2.0.0-alpha.5"
-source = "git+https://github.com/paritytech/substrate#11493abe7d052c7465fa7760c57824fb455e0e68"
+source = "git+https://github.com/paritytech/substrate#50cd50232e78169b6374e37bbf83892f2e27b427"
 dependencies = [
  "derive_more 0.99.3",
  "futures 0.3.4",
@@ -6391,7 +6398,7 @@ dependencies = [
 [[package]]
 name = "sp-allocator"
 version = "2.0.0-alpha.5"
-source = "git+https://github.com/paritytech/substrate#11493abe7d052c7465fa7760c57824fb455e0e68"
+source = "git+https://github.com/paritytech/substrate#50cd50232e78169b6374e37bbf83892f2e27b427"
 dependencies = [
  "derive_more 0.99.3",
  "log 0.4.8",
@@ -6403,7 +6410,7 @@ dependencies = [
 [[package]]
 name = "sp-api"
 version = "2.0.0-alpha.5"
-source = "git+https://github.com/paritytech/substrate#11493abe7d052c7465fa7760c57824fb455e0e68"
+source = "git+https://github.com/paritytech/substrate#50cd50232e78169b6374e37bbf83892f2e27b427"
 dependencies = [
  "hash-db",
  "parity-scale-codec",
@@ -6418,7 +6425,7 @@ dependencies = [
 [[package]]
 name = "sp-api-proc-macro"
 version = "2.0.0-alpha.5"
-source = "git+https://github.com/paritytech/substrate#11493abe7d052c7465fa7760c57824fb455e0e68"
+source = "git+https://github.com/paritytech/substrate#50cd50232e78169b6374e37bbf83892f2e27b427"
 dependencies = [
  "blake2-rfc",
  "proc-macro-crate",
@@ -6430,7 +6437,7 @@ dependencies = [
 [[package]]
 name = "sp-application-crypto"
 version = "2.0.0-alpha.5"
-source = "git+https://github.com/paritytech/substrate#11493abe7d052c7465fa7760c57824fb455e0e68"
+source = "git+https://github.com/paritytech/substrate#50cd50232e78169b6374e37bbf83892f2e27b427"
 dependencies = [
  "parity-scale-codec",
  "serde",
@@ -6442,7 +6449,7 @@ dependencies = [
 [[package]]
 name = "sp-arithmetic"
 version = "2.0.0-alpha.5"
-source = "git+https://github.com/paritytech/substrate#11493abe7d052c7465fa7760c57824fb455e0e68"
+source = "git+https://github.com/paritytech/substrate#50cd50232e78169b6374e37bbf83892f2e27b427"
 dependencies = [
  "integer-sqrt",
  "num-traits 0.2.11",
@@ -6455,7 +6462,7 @@ dependencies = [
 [[package]]
 name = "sp-authority-discovery"
 version = "2.0.0-alpha.5"
-source = "git+https://github.com/paritytech/substrate#11493abe7d052c7465fa7760c57824fb455e0e68"
+source = "git+https://github.com/paritytech/substrate#50cd50232e78169b6374e37bbf83892f2e27b427"
 dependencies = [
  "parity-scale-codec",
  "sp-api",
@@ -6467,7 +6474,7 @@ dependencies = [
 [[package]]
 name = "sp-authorship"
 version = "2.0.0-alpha.5"
-source = "git+https://github.com/paritytech/substrate#11493abe7d052c7465fa7760c57824fb455e0e68"
+source = "git+https://github.com/paritytech/substrate#50cd50232e78169b6374e37bbf83892f2e27b427"
 dependencies = [
  "parity-scale-codec",
  "sp-inherents",
@@ -6478,7 +6485,7 @@ dependencies = [
 [[package]]
 name = "sp-block-builder"
 version = "2.0.0-alpha.5"
-source = "git+https://github.com/paritytech/substrate#11493abe7d052c7465fa7760c57824fb455e0e68"
+source = "git+https://github.com/paritytech/substrate#50cd50232e78169b6374e37bbf83892f2e27b427"
 dependencies = [
  "parity-scale-codec",
  "sp-api",
@@ -6490,7 +6497,7 @@ dependencies = [
 [[package]]
 name = "sp-blockchain"
 version = "2.0.0-alpha.5"
-source = "git+https://github.com/paritytech/substrate#11493abe7d052c7465fa7760c57824fb455e0e68"
+source = "git+https://github.com/paritytech/substrate#50cd50232e78169b6374e37bbf83892f2e27b427"
 dependencies = [
  "derive_more 0.99.3",
  "log 0.4.8",
@@ -6503,10 +6510,19 @@ dependencies = [
  "sp-state-machine",
 ]
 
+[[package]]
+name = "sp-chain-spec"
+version = "2.0.0-alpha.5"
+source = "git+https://github.com/paritytech/substrate#50cd50232e78169b6374e37bbf83892f2e27b427"
+dependencies = [
+ "serde",
+ "serde_json",
+]
+
 [[package]]
 name = "sp-consensus"
 version = "0.8.0-alpha.5"
-source = "git+https://github.com/paritytech/substrate#11493abe7d052c7465fa7760c57824fb455e0e68"
+source = "git+https://github.com/paritytech/substrate#50cd50232e78169b6374e37bbf83892f2e27b427"
 dependencies = [
  "derive_more 0.99.3",
  "futures 0.3.4",
@@ -6529,7 +6545,7 @@ dependencies = [
 [[package]]
 name = "sp-consensus-aura"
 version = "0.8.0-alpha.5"
-source = "git+https://github.com/paritytech/substrate#11493abe7d052c7465fa7760c57824fb455e0e68"
+source = "git+https://github.com/paritytech/substrate#50cd50232e78169b6374e37bbf83892f2e27b427"
 dependencies = [
  "parity-scale-codec",
  "sp-api",
@@ -6543,7 +6559,7 @@ dependencies = [
 [[package]]
 name = "sp-consensus-babe"
 version = "0.8.0-alpha.5"
-source = "git+https://github.com/paritytech/substrate#11493abe7d052c7465fa7760c57824fb455e0e68"
+source = "git+https://github.com/paritytech/substrate#50cd50232e78169b6374e37bbf83892f2e27b427"
 dependencies = [
  "parity-scale-codec",
  "sp-api",
@@ -6559,7 +6575,7 @@ dependencies = [
 [[package]]
 name = "sp-consensus-vrf"
 version = "0.8.0-alpha.5"
-source = "git+https://github.com/paritytech/substrate#11493abe7d052c7465fa7760c57824fb455e0e68"
+source = "git+https://github.com/paritytech/substrate#50cd50232e78169b6374e37bbf83892f2e27b427"
 dependencies = [
  "parity-scale-codec",
  "schnorrkel",
@@ -6571,7 +6587,7 @@ dependencies = [
 [[package]]
 name = "sp-core"
 version = "2.0.0-alpha.5"
-source = "git+https://github.com/paritytech/substrate#11493abe7d052c7465fa7760c57824fb455e0e68"
+source = "git+https://github.com/paritytech/substrate#50cd50232e78169b6374e37bbf83892f2e27b427"
 dependencies = [
  "base58",
  "blake2-rfc",
@@ -6611,7 +6627,7 @@ dependencies = [
 [[package]]
 name = "sp-debug-derive"
 version = "2.0.0-alpha.5"
-source = "git+https://github.com/paritytech/substrate#11493abe7d052c7465fa7760c57824fb455e0e68"
+source = "git+https://github.com/paritytech/substrate#50cd50232e78169b6374e37bbf83892f2e27b427"
 dependencies = [
  "proc-macro2 1.0.9",
  "quote 1.0.3",
@@ -6621,7 +6637,7 @@ dependencies = [
 [[package]]
 name = "sp-externalities"
 version = "0.8.0-alpha.5"
-source = "git+https://github.com/paritytech/substrate#11493abe7d052c7465fa7760c57824fb455e0e68"
+source = "git+https://github.com/paritytech/substrate#50cd50232e78169b6374e37bbf83892f2e27b427"
 dependencies = [
  "environmental",
  "sp-std",
@@ -6631,7 +6647,7 @@ dependencies = [
 [[package]]
 name = "sp-finality-grandpa"
 version = "2.0.0-alpha.5"
-source = "git+https://github.com/paritytech/substrate#11493abe7d052c7465fa7760c57824fb455e0e68"
+source = "git+https://github.com/paritytech/substrate#50cd50232e78169b6374e37bbf83892f2e27b427"
 dependencies = [
  "parity-scale-codec",
  "serde",
@@ -6644,7 +6660,7 @@ dependencies = [
 [[package]]
 name = "sp-finality-tracker"
 version = "2.0.0-alpha.5"
-source = "git+https://github.com/paritytech/substrate#11493abe7d052c7465fa7760c57824fb455e0e68"
+source = "git+https://github.com/paritytech/substrate#50cd50232e78169b6374e37bbf83892f2e27b427"
 dependencies = [
  "parity-scale-codec",
  "sp-inherents",
@@ -6654,7 +6670,7 @@ dependencies = [
 [[package]]
 name = "sp-inherents"
 version = "2.0.0-alpha.5"
-source = "git+https://github.com/paritytech/substrate#11493abe7d052c7465fa7760c57824fb455e0e68"
+source = "git+https://github.com/paritytech/substrate#50cd50232e78169b6374e37bbf83892f2e27b427"
 dependencies = [
  "derive_more 0.99.3",
  "parity-scale-codec",
@@ -6666,7 +6682,7 @@ dependencies = [
 [[package]]
 name = "sp-io"
 version = "2.0.0-alpha.5"
-source = "git+https://github.com/paritytech/substrate#11493abe7d052c7465fa7760c57824fb455e0e68"
+source = "git+https://github.com/paritytech/substrate#50cd50232e78169b6374e37bbf83892f2e27b427"
 dependencies = [
  "hash-db",
  "libsecp256k1",
@@ -6684,7 +6700,7 @@ dependencies = [
 [[package]]
 name = "sp-keyring"
 version = "2.0.0-alpha.5"
-source = "git+https://github.com/paritytech/substrate#11493abe7d052c7465fa7760c57824fb455e0e68"
+source = "git+https://github.com/paritytech/substrate#50cd50232e78169b6374e37bbf83892f2e27b427"
 dependencies = [
  "lazy_static",
  "sp-core",
@@ -6695,7 +6711,7 @@ dependencies = [
 [[package]]
 name = "sp-offchain"
 version = "2.0.0-alpha.5"
-source = "git+https://github.com/paritytech/substrate#11493abe7d052c7465fa7760c57824fb455e0e68"
+source = "git+https://github.com/paritytech/substrate#50cd50232e78169b6374e37bbf83892f2e27b427"
 dependencies = [
  "sp-api",
  "sp-runtime",
@@ -6704,7 +6720,7 @@ dependencies = [
 [[package]]
 name = "sp-panic-handler"
 version = "2.0.0-alpha.5"
-source = "git+https://github.com/paritytech/substrate#11493abe7d052c7465fa7760c57824fb455e0e68"
+source = "git+https://github.com/paritytech/substrate#50cd50232e78169b6374e37bbf83892f2e27b427"
 dependencies = [
  "backtrace",
  "log 0.4.8",
@@ -6713,7 +6729,7 @@ dependencies = [
 [[package]]
 name = "sp-phragmen"
 version = "2.0.0-alpha.5"
-source = "git+https://github.com/paritytech/substrate#11493abe7d052c7465fa7760c57824fb455e0e68"
+source = "git+https://github.com/paritytech/substrate#50cd50232e78169b6374e37bbf83892f2e27b427"
 dependencies = [
  "parity-scale-codec",
  "serde",
@@ -6725,7 +6741,7 @@ dependencies = [
 [[package]]
 name = "sp-phragmen-compact"
 version = "2.0.0-dev"
-source = "git+https://github.com/paritytech/substrate#11493abe7d052c7465fa7760c57824fb455e0e68"
+source = "git+https://github.com/paritytech/substrate#50cd50232e78169b6374e37bbf83892f2e27b427"
 dependencies = [
  "proc-macro-crate",
  "proc-macro2 1.0.9",
@@ -6736,7 +6752,7 @@ dependencies = [
 [[package]]
 name = "sp-rpc"
 version = "2.0.0-alpha.5"
-source = "git+https://github.com/paritytech/substrate#11493abe7d052c7465fa7760c57824fb455e0e68"
+source = "git+https://github.com/paritytech/substrate#50cd50232e78169b6374e37bbf83892f2e27b427"
 dependencies = [
  "serde",
  "sp-core",
@@ -6745,7 +6761,7 @@ dependencies = [
 [[package]]
 name = "sp-runtime"
 version = "2.0.0-alpha.5"
-source = "git+https://github.com/paritytech/substrate#11493abe7d052c7465fa7760c57824fb455e0e68"
+source = "git+https://github.com/paritytech/substrate#50cd50232e78169b6374e37bbf83892f2e27b427"
 dependencies = [
  "hash256-std-hasher",
  "impl-trait-for-tuples",
@@ -6766,7 +6782,7 @@ dependencies = [
 [[package]]
 name = "sp-runtime-interface"
 version = "2.0.0-alpha.5"
-source = "git+https://github.com/paritytech/substrate#11493abe7d052c7465fa7760c57824fb455e0e68"
+source = "git+https://github.com/paritytech/substrate#50cd50232e78169b6374e37bbf83892f2e27b427"
 dependencies = [
  "parity-scale-codec",
  "primitive-types",
@@ -6780,7 +6796,7 @@ dependencies = [
 [[package]]
 name = "sp-runtime-interface-proc-macro"
 version = "2.0.0-alpha.5"
-source = "git+https://github.com/paritytech/substrate#11493abe7d052c7465fa7760c57824fb455e0e68"
+source = "git+https://github.com/paritytech/substrate#50cd50232e78169b6374e37bbf83892f2e27b427"
 dependencies = [
  "Inflector",
  "proc-macro-crate",
@@ -6792,7 +6808,7 @@ dependencies = [
 [[package]]
 name = "sp-serializer"
 version = "2.0.0-alpha.5"
-source = "git+https://github.com/paritytech/substrate#11493abe7d052c7465fa7760c57824fb455e0e68"
+source = "git+https://github.com/paritytech/substrate#50cd50232e78169b6374e37bbf83892f2e27b427"
 dependencies = [
  "serde",
  "serde_json",
@@ -6801,7 +6817,7 @@ dependencies = [
 [[package]]
 name = "sp-session"
 version = "2.0.0-alpha.5"
-source = "git+https://github.com/paritytech/substrate#11493abe7d052c7465fa7760c57824fb455e0e68"
+source = "git+https://github.com/paritytech/substrate#50cd50232e78169b6374e37bbf83892f2e27b427"
 dependencies = [
  "sp-api",
  "sp-core",
@@ -6812,7 +6828,7 @@ dependencies = [
 [[package]]
 name = "sp-staking"
 version = "2.0.0-alpha.5"
-source = "git+https://github.com/paritytech/substrate#11493abe7d052c7465fa7760c57824fb455e0e68"
+source = "git+https://github.com/paritytech/substrate#50cd50232e78169b6374e37bbf83892f2e27b427"
 dependencies = [
  "parity-scale-codec",
  "sp-runtime",
@@ -6822,7 +6838,7 @@ dependencies = [
 [[package]]
 name = "sp-state-machine"
 version = "0.8.0-alpha.5"
-source = "git+https://github.com/paritytech/substrate#11493abe7d052c7465fa7760c57824fb455e0e68"
+source = "git+https://github.com/paritytech/substrate#50cd50232e78169b6374e37bbf83892f2e27b427"
 dependencies = [
  "hash-db",
  "log 0.4.8",
@@ -6841,12 +6857,12 @@ dependencies = [
 [[package]]
 name = "sp-std"
 version = "2.0.0-alpha.5"
-source = "git+https://github.com/paritytech/substrate#11493abe7d052c7465fa7760c57824fb455e0e68"
+source = "git+https://github.com/paritytech/substrate#50cd50232e78169b6374e37bbf83892f2e27b427"
 
 [[package]]
 name = "sp-storage"
 version = "2.0.0-alpha.5"
-source = "git+https://github.com/paritytech/substrate#11493abe7d052c7465fa7760c57824fb455e0e68"
+source = "git+https://github.com/paritytech/substrate#50cd50232e78169b6374e37bbf83892f2e27b427"
 dependencies = [
  "impl-serde 0.2.3",
  "serde",
@@ -6857,7 +6873,7 @@ dependencies = [
 [[package]]
 name = "sp-timestamp"
 version = "2.0.0-alpha.5"
-source = "git+https://github.com/paritytech/substrate#11493abe7d052c7465fa7760c57824fb455e0e68"
+source = "git+https://github.com/paritytech/substrate#50cd50232e78169b6374e37bbf83892f2e27b427"
 dependencies = [
  "impl-trait-for-tuples",
  "parity-scale-codec",
@@ -6871,7 +6887,7 @@ dependencies = [
 [[package]]
 name = "sp-transaction-pool"
 version = "2.0.0-alpha.5"
-source = "git+https://github.com/paritytech/substrate#11493abe7d052c7465fa7760c57824fb455e0e68"
+source = "git+https://github.com/paritytech/substrate#50cd50232e78169b6374e37bbf83892f2e27b427"
 dependencies = [
  "derive_more 0.99.3",
  "futures 0.3.4",
@@ -6886,7 +6902,7 @@ dependencies = [
 [[package]]
 name = "sp-trie"
 version = "2.0.0-alpha.5"
-source = "git+https://github.com/paritytech/substrate#11493abe7d052c7465fa7760c57824fb455e0e68"
+source = "git+https://github.com/paritytech/substrate#50cd50232e78169b6374e37bbf83892f2e27b427"
 dependencies = [
  "hash-db",
  "memory-db",
@@ -6900,7 +6916,7 @@ dependencies = [
 [[package]]
 name = "sp-utils"
 version = "2.0.0-alpha.5"
-source = "git+https://github.com/paritytech/substrate#11493abe7d052c7465fa7760c57824fb455e0e68"
+source = "git+https://github.com/paritytech/substrate#50cd50232e78169b6374e37bbf83892f2e27b427"
 dependencies = [
  "futures 0.3.4",
  "futures-core",
@@ -6911,7 +6927,7 @@ dependencies = [
 [[package]]
 name = "sp-version"
 version = "2.0.0-alpha.5"
-source = "git+https://github.com/paritytech/substrate#11493abe7d052c7465fa7760c57824fb455e0e68"
+source = "git+https://github.com/paritytech/substrate#50cd50232e78169b6374e37bbf83892f2e27b427"
 dependencies = [
  "impl-serde 0.2.3",
  "parity-scale-codec",
@@ -6923,7 +6939,7 @@ dependencies = [
 [[package]]
 name = "sp-wasm-interface"
 version = "2.0.0-alpha.5"
-source = "git+https://github.com/paritytech/substrate#11493abe7d052c7465fa7760c57824fb455e0e68"
+source = "git+https://github.com/paritytech/substrate#50cd50232e78169b6374e37bbf83892f2e27b427"
 dependencies = [
  "impl-trait-for-tuples",
  "parity-scale-codec",
@@ -7051,7 +7067,7 @@ dependencies = [
 [[package]]
 name = "substrate-browser-utils"
 version = "0.8.0-alpha.5"
-source = "git+https://github.com/paritytech/substrate#11493abe7d052c7465fa7760c57824fb455e0e68"
+source = "git+https://github.com/paritytech/substrate#50cd50232e78169b6374e37bbf83892f2e27b427"
 dependencies = [
  "chrono",
  "clear_on_drop",
@@ -7077,7 +7093,7 @@ dependencies = [
 [[package]]
 name = "substrate-build-script-utils"
 version = "2.0.0-alpha.5"
-source = "git+https://github.com/paritytech/substrate#11493abe7d052c7465fa7760c57824fb455e0e68"
+source = "git+https://github.com/paritytech/substrate#50cd50232e78169b6374e37bbf83892f2e27b427"
 dependencies = [
  "platforms",
 ]
@@ -7085,7 +7101,7 @@ dependencies = [
 [[package]]
 name = "substrate-frame-rpc-system"
 version = "2.0.0-alpha.5"
-source = "git+https://github.com/paritytech/substrate#11493abe7d052c7465fa7760c57824fb455e0e68"
+source = "git+https://github.com/paritytech/substrate#50cd50232e78169b6374e37bbf83892f2e27b427"
 dependencies = [
  "frame-system-rpc-runtime-api",
  "futures 0.3.4",
@@ -7106,7 +7122,7 @@ dependencies = [
 [[package]]
 name = "substrate-prometheus-endpoint"
 version = "0.8.0-alpha.5"
-source = "git+https://github.com/paritytech/substrate#11493abe7d052c7465fa7760c57824fb455e0e68"
+source = "git+https://github.com/paritytech/substrate#50cd50232e78169b6374e37bbf83892f2e27b427"
 dependencies = [
  "async-std",
  "derive_more 0.99.3",
@@ -7120,7 +7136,7 @@ dependencies = [
 [[package]]
 name = "substrate-test-client"
 version = "2.0.0-dev"
-source = "git+https://github.com/paritytech/substrate#11493abe7d052c7465fa7760c57824fb455e0e68"
+source = "git+https://github.com/paritytech/substrate#50cd50232e78169b6374e37bbf83892f2e27b427"
 dependencies = [
  "futures 0.3.4",
  "hash-db",
@@ -7140,7 +7156,7 @@ dependencies = [
 [[package]]
 name = "substrate-test-runtime"
 version = "2.0.0-dev"
-source = "git+https://github.com/paritytech/substrate#11493abe7d052c7465fa7760c57824fb455e0e68"
+source = "git+https://github.com/paritytech/substrate#50cd50232e78169b6374e37bbf83892f2e27b427"
 dependencies = [
  "cfg-if",
  "frame-executive",
@@ -7179,7 +7195,7 @@ dependencies = [
 [[package]]
 name = "substrate-test-runtime-client"
 version = "2.0.0-dev"
-source = "git+https://github.com/paritytech/substrate#11493abe7d052c7465fa7760c57824fb455e0e68"
+source = "git+https://github.com/paritytech/substrate#50cd50232e78169b6374e37bbf83892f2e27b427"
 dependencies = [
  "futures 0.3.4",
  "parity-scale-codec",
@@ -7197,7 +7213,7 @@ dependencies = [
 [[package]]
 name = "substrate-wasm-builder-runner"
 version = "1.0.5"
-source = "git+https://github.com/paritytech/substrate#11493abe7d052c7465fa7760c57824fb455e0e68"
+source = "git+https://github.com/paritytech/substrate#50cd50232e78169b6374e37bbf83892f2e27b427"
 
 [[package]]
 name = "substrate-wasm-builder-runner"
diff --git a/polkadot/service/src/chain_spec.rs b/polkadot/service/src/chain_spec.rs
index 56e47bcfcc..37cbbc7b87 100644
--- a/polkadot/service/src/chain_spec.rs
+++ b/polkadot/service/src/chain_spec.rs
@@ -22,7 +22,7 @@ use polkadot_runtime as polkadot;
 use kusama_runtime as kusama;
 use polkadot::constants::currency::DOTS;
 use kusama::constants::currency::DOTS as KSM;
-use sc_chain_spec::ChainSpecExtension;
+use sc_chain_spec::{ChainSpecExtension, ChainType};
 use sp_runtime::{traits::IdentifyAccount, Perbill};
 use serde::{Serialize, Deserialize};
 use telemetry::TelemetryEndpoints;
@@ -335,6 +335,7 @@ pub fn polkadot_staging_testnet_config() -> PolkadotChainSpec {
 	PolkadotChainSpec::from_genesis(
 		"Polkadot Staging Testnet",
 		"polkadot_staging_testnet",
+		ChainType::Live,
 		polkadot_staging_testnet_config_genesis,
 		boot_nodes,
 		Some(TelemetryEndpoints::new(vec![(POLKADOT_STAGING_TELEMETRY_URL.to_string(), 0)])
@@ -351,6 +352,7 @@ pub fn kusama_staging_testnet_config() -> KusamaChainSpec {
 	KusamaChainSpec::from_genesis(
 		"Kusama Staging Testnet",
 		"kusama_staging_testnet",
+		ChainType::Live,
 		kusama_staging_testnet_config_genesis,
 		boot_nodes,
 		Some(TelemetryEndpoints::new(vec![(KUSAMA_STAGING_TELEMETRY_URL.to_string(), 0)])
@@ -590,6 +592,7 @@ pub fn polkadot_development_config() -> PolkadotChainSpec {
 	PolkadotChainSpec::from_genesis(
 		"Development",
 		"dev",
+		ChainType::Development,
 		polkadot_development_config_genesis,
 		vec![],
 		None,
@@ -604,6 +607,7 @@ pub fn kusama_development_config() -> KusamaChainSpec {
 	KusamaChainSpec::from_genesis(
 		"Development",
 		"kusama_dev",
+		ChainType::Development,
 		kusama_development_config_genesis,
 		vec![],
 		None,
@@ -629,6 +633,7 @@ pub fn polkadot_local_testnet_config() -> PolkadotChainSpec {
 	PolkadotChainSpec::from_genesis(
 		"Local Testnet",
 		"local_testnet",
+		ChainType::Local,
 		polkadot_local_testnet_genesis,
 		vec![],
 		None,
@@ -654,6 +659,7 @@ pub fn kusama_local_testnet_config() -> KusamaChainSpec {
 	KusamaChainSpec::from_genesis(
 		"Kusama Local Testnet",
 		"kusama_local_testnet",
+		ChainType::Local,
 		kusama_local_testnet_genesis,
 		vec![],
 		None,