diff --git a/polkadot/Cargo.lock b/polkadot/Cargo.lock
index d54c5e2bdd..d1e779ce0b 100644
--- a/polkadot/Cargo.lock
+++ b/polkadot/Cargo.lock
@@ -602,21 +602,21 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 [[package]]
 name = "cranelift-bforest"
 version = "0.59.0"
-source = "git+https://github.com/paritytech/wasmtime?branch=a-thread-safe-api#851887d84d03543f931f6312448d0dd5d8a9324e"
+source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "cranelift-entity 0.59.0 (git+https://github.com/paritytech/wasmtime?branch=a-thread-safe-api)",
+ "cranelift-entity 0.59.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "cranelift-codegen"
 version = "0.59.0"
-source = "git+https://github.com/paritytech/wasmtime?branch=a-thread-safe-api#851887d84d03543f931f6312448d0dd5d8a9324e"
+source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "byteorder 1.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
- "cranelift-bforest 0.59.0 (git+https://github.com/paritytech/wasmtime?branch=a-thread-safe-api)",
- "cranelift-codegen-meta 0.59.0 (git+https://github.com/paritytech/wasmtime?branch=a-thread-safe-api)",
- "cranelift-codegen-shared 0.59.0 (git+https://github.com/paritytech/wasmtime?branch=a-thread-safe-api)",
- "cranelift-entity 0.59.0 (git+https://github.com/paritytech/wasmtime?branch=a-thread-safe-api)",
+ "cranelift-bforest 0.59.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cranelift-codegen-meta 0.59.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cranelift-codegen-shared 0.59.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cranelift-entity 0.59.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "gimli 0.20.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -628,21 +628,21 @@ dependencies = [
 [[package]]
 name = "cranelift-codegen-meta"
 version = "0.59.0"
-source = "git+https://github.com/paritytech/wasmtime?branch=a-thread-safe-api#851887d84d03543f931f6312448d0dd5d8a9324e"
+source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "cranelift-codegen-shared 0.59.0 (git+https://github.com/paritytech/wasmtime?branch=a-thread-safe-api)",
- "cranelift-entity 0.59.0 (git+https://github.com/paritytech/wasmtime?branch=a-thread-safe-api)",
+ "cranelift-codegen-shared 0.59.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cranelift-entity 0.59.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "cranelift-codegen-shared"
 version = "0.59.0"
-source = "git+https://github.com/paritytech/wasmtime?branch=a-thread-safe-api#851887d84d03543f931f6312448d0dd5d8a9324e"
+source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "cranelift-entity"
 version = "0.59.0"
-source = "git+https://github.com/paritytech/wasmtime?branch=a-thread-safe-api#851887d84d03543f931f6312448d0dd5d8a9324e"
+source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "serde 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -650,9 +650,9 @@ dependencies = [
 [[package]]
 name = "cranelift-frontend"
 version = "0.59.0"
-source = "git+https://github.com/paritytech/wasmtime?branch=a-thread-safe-api#851887d84d03543f931f6312448d0dd5d8a9324e"
+source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "cranelift-codegen 0.59.0 (git+https://github.com/paritytech/wasmtime?branch=a-thread-safe-api)",
+ "cranelift-codegen 0.59.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "smallvec 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "target-lexicon 0.10.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -661,9 +661,9 @@ dependencies = [
 [[package]]
 name = "cranelift-native"
 version = "0.59.0"
-source = "git+https://github.com/paritytech/wasmtime?branch=a-thread-safe-api#851887d84d03543f931f6312448d0dd5d8a9324e"
+source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "cranelift-codegen 0.59.0 (git+https://github.com/paritytech/wasmtime?branch=a-thread-safe-api)",
+ "cranelift-codegen 0.59.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "raw-cpuid 7.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "target-lexicon 0.10.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -671,11 +671,11 @@ dependencies = [
 [[package]]
 name = "cranelift-wasm"
 version = "0.59.0"
-source = "git+https://github.com/paritytech/wasmtime?branch=a-thread-safe-api#851887d84d03543f931f6312448d0dd5d8a9324e"
+source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "cranelift-codegen 0.59.0 (git+https://github.com/paritytech/wasmtime?branch=a-thread-safe-api)",
- "cranelift-entity 0.59.0 (git+https://github.com/paritytech/wasmtime?branch=a-thread-safe-api)",
- "cranelift-frontend 0.59.0 (git+https://github.com/paritytech/wasmtime?branch=a-thread-safe-api)",
+ "cranelift-codegen 0.59.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cranelift-entity 0.59.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cranelift-frontend 0.59.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
  "thiserror 1.0.10 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -779,18 +779,6 @@ dependencies = [
  "rand 0.3.23 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
-[[package]]
-name = "curve25519-dalek"
-version = "1.2.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "byteorder 1.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
- "clear_on_drop 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "digest 0.8.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "rand_core 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "subtle 2.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
 [[package]]
 name = "curve25519-dalek"
 version = "2.0.0"
@@ -1008,26 +996,26 @@ dependencies = [
 
 [[package]]
 name = "ethbloom"
-version = "0.8.1"
+version = "0.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "crunchy 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "fixed-hash 0.5.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "fixed-hash 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "impl-rlp 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "impl-serde 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "tiny-keccak 1.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "impl-serde 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tiny-keccak 2.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "ethereum-types"
-version = "0.8.0"
+version = "0.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "ethbloom 0.8.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "fixed-hash 0.5.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "ethbloom 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "fixed-hash 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "impl-rlp 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "impl-serde 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "primitive-types 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "impl-serde 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "primitive-types 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "uint 0.8.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -1086,7 +1074,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "fdlimit"
-version = "0.1.2"
+version = "0.1.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1116,11 +1104,10 @@ dependencies = [
 
 [[package]]
 name = "fixed-hash"
-version = "0.5.2"
+version = "0.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "byteorder 1.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.66 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand 0.7.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "rustc-hex 2.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "static_assertions 1.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1151,7 +1138,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 [[package]]
 name = "fork-tree"
 version = "2.0.0-alpha.4"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#68e51d6e24862d499b5f042321cc87b172579e74"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93cf07ad527c5209ba8b75615f0ec69d40cb76da"
 dependencies = [
  "parity-scale-codec 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -1159,7 +1146,7 @@ dependencies = [
 [[package]]
 name = "frame-benchmarking"
 version = "2.0.0-alpha.4"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#68e51d6e24862d499b5f042321cc87b172579e74"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93cf07ad527c5209ba8b75615f0ec69d40cb76da"
 dependencies = [
  "frame-support 2.0.0-alpha.4 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
  "frame-system 2.0.0-alpha.4 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
@@ -1174,7 +1161,7 @@ dependencies = [
 [[package]]
 name = "frame-benchmarking-cli"
 version = "2.0.0-alpha.4"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#68e51d6e24862d499b5f042321cc87b172579e74"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93cf07ad527c5209ba8b75615f0ec69d40cb76da"
 dependencies = [
  "frame-benchmarking 2.0.0-alpha.4 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
  "parity-scale-codec 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1184,6 +1171,7 @@ dependencies = [
  "sc-executor 0.8.0-alpha.4 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
  "sc-service 0.8.0-alpha.4 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
  "sp-core 2.0.0-alpha.4 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
+ "sp-externalities 0.8.0-alpha.4 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
  "sp-runtime 2.0.0-alpha.4 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
  "sp-state-machine 0.8.0-alpha.4 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
  "structopt 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1192,7 +1180,7 @@ dependencies = [
 [[package]]
 name = "frame-executive"
 version = "2.0.0-alpha.4"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#68e51d6e24862d499b5f042321cc87b172579e74"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93cf07ad527c5209ba8b75615f0ec69d40cb76da"
 dependencies = [
  "frame-support 2.0.0-alpha.4 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
  "frame-system 2.0.0-alpha.4 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
@@ -1205,7 +1193,7 @@ dependencies = [
 [[package]]
 name = "frame-metadata"
 version = "11.0.0-alpha.4"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#68e51d6e24862d499b5f042321cc87b172579e74"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93cf07ad527c5209ba8b75615f0ec69d40cb76da"
 dependencies = [
  "parity-scale-codec 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1216,7 +1204,7 @@ dependencies = [
 [[package]]
 name = "frame-support"
 version = "2.0.0-alpha.4"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#68e51d6e24862d499b5f042321cc87b172579e74"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93cf07ad527c5209ba8b75615f0ec69d40cb76da"
 dependencies = [
  "bitmask 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "frame-metadata 11.0.0-alpha.4 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
@@ -1240,7 +1228,7 @@ dependencies = [
 [[package]]
 name = "frame-support-procedural"
 version = "2.0.0-alpha.4"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#68e51d6e24862d499b5f042321cc87b172579e74"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93cf07ad527c5209ba8b75615f0ec69d40cb76da"
 dependencies = [
  "frame-support-procedural-tools 2.0.0-alpha.4 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
  "proc-macro2 1.0.8 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1251,7 +1239,7 @@ dependencies = [
 [[package]]
 name = "frame-support-procedural-tools"
 version = "2.0.0-alpha.4"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#68e51d6e24862d499b5f042321cc87b172579e74"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93cf07ad527c5209ba8b75615f0ec69d40cb76da"
 dependencies = [
  "frame-support-procedural-tools-derive 2.0.0-alpha.4 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
  "proc-macro-crate 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1263,7 +1251,7 @@ dependencies = [
 [[package]]
 name = "frame-support-procedural-tools-derive"
 version = "2.0.0-alpha.4"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#68e51d6e24862d499b5f042321cc87b172579e74"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93cf07ad527c5209ba8b75615f0ec69d40cb76da"
 dependencies = [
  "proc-macro2 1.0.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "quote 1.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1273,7 +1261,7 @@ dependencies = [
 [[package]]
 name = "frame-system"
 version = "2.0.0-alpha.4"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#68e51d6e24862d499b5f042321cc87b172579e74"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93cf07ad527c5209ba8b75615f0ec69d40cb76da"
 dependencies = [
  "frame-support 2.0.0-alpha.4 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
  "impl-trait-for-tuples 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1289,7 +1277,7 @@ dependencies = [
 [[package]]
 name = "frame-system-rpc-runtime-api"
 version = "2.0.0-alpha.4"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#68e51d6e24862d499b5f042321cc87b172579e74"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93cf07ad527c5209ba8b75615f0ec69d40cb76da"
 dependencies = [
  "parity-scale-codec 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "sp-api 2.0.0-alpha.4 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
@@ -2157,6 +2145,15 @@ dependencies = [
  "smallvec 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "kvdb"
+version = "0.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "parity-util-mem 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "smallvec 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "kvdb-memorydb"
 version = "0.4.0"
@@ -2167,6 +2164,16 @@ dependencies = [
  "parking_lot 0.10.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "kvdb-memorydb"
+version = "0.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "kvdb 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "parity-util-mem 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "parking_lot 0.10.0 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "kvdb-rocksdb"
 version = "0.6.0"
@@ -2185,17 +2192,35 @@ dependencies = [
  "smallvec 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "kvdb-rocksdb"
+version = "0.7.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "fs-swap 0.2.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "interleaved-ordered 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "kvdb 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
+ "num_cpus 1.12.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "owning_ref 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "parity-util-mem 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "parking_lot 0.10.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "regex 1.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rocksdb 0.13.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "smallvec 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "kvdb-web"
-version = "0.4.0"
+version = "0.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "futures 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "js-sys 0.3.35 (registry+https://github.com/rust-lang/crates.io-index)",
- "kvdb 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "kvdb-memorydb 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "kvdb 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "kvdb-memorydb 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
- "parity-util-mem 0.5.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "parity-util-mem 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "send_wrapper 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "wasm-bindgen 0.2.58 (registry+https://github.com/rust-lang/crates.io-index)",
  "web-sys 0.3.35 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2760,12 +2785,12 @@ dependencies = [
 
 [[package]]
 name = "merlin"
-version = "1.3.0"
+version = "2.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "byteorder 1.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "keccak 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "rand_core 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rand_core 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "zeroize 1.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -3026,7 +3051,7 @@ dependencies = [
 [[package]]
 name = "pallet-authority-discovery"
 version = "2.0.0-alpha.4"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#68e51d6e24862d499b5f042321cc87b172579e74"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93cf07ad527c5209ba8b75615f0ec69d40cb76da"
 dependencies = [
  "frame-support 2.0.0-alpha.4 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
  "frame-system 2.0.0-alpha.4 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
@@ -3044,7 +3069,7 @@ dependencies = [
 [[package]]
 name = "pallet-authorship"
 version = "2.0.0-alpha.4"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#68e51d6e24862d499b5f042321cc87b172579e74"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93cf07ad527c5209ba8b75615f0ec69d40cb76da"
 dependencies = [
  "frame-support 2.0.0-alpha.4 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
  "frame-system 2.0.0-alpha.4 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
@@ -3061,7 +3086,7 @@ dependencies = [
 [[package]]
 name = "pallet-babe"
 version = "2.0.0-alpha.4"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#68e51d6e24862d499b5f042321cc87b172579e74"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93cf07ad527c5209ba8b75615f0ec69d40cb76da"
 dependencies = [
  "frame-support 2.0.0-alpha.4 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
  "frame-system 2.0.0-alpha.4 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
@@ -3082,7 +3107,7 @@ dependencies = [
 [[package]]
 name = "pallet-balances"
 version = "2.0.0-alpha.4"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#68e51d6e24862d499b5f042321cc87b172579e74"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93cf07ad527c5209ba8b75615f0ec69d40cb76da"
 dependencies = [
  "frame-benchmarking 2.0.0-alpha.4 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
  "frame-support 2.0.0-alpha.4 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
@@ -3097,7 +3122,7 @@ dependencies = [
 [[package]]
 name = "pallet-collective"
 version = "2.0.0-alpha.4"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#68e51d6e24862d499b5f042321cc87b172579e74"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93cf07ad527c5209ba8b75615f0ec69d40cb76da"
 dependencies = [
  "frame-support 2.0.0-alpha.4 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
  "frame-system 2.0.0-alpha.4 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
@@ -3112,7 +3137,7 @@ dependencies = [
 [[package]]
 name = "pallet-democracy"
 version = "2.0.0-alpha.4"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#68e51d6e24862d499b5f042321cc87b172579e74"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93cf07ad527c5209ba8b75615f0ec69d40cb76da"
 dependencies = [
  "frame-support 2.0.0-alpha.4 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
  "frame-system 2.0.0-alpha.4 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
@@ -3126,7 +3151,7 @@ dependencies = [
 [[package]]
 name = "pallet-elections-phragmen"
 version = "2.0.0-alpha.4"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#68e51d6e24862d499b5f042321cc87b172579e74"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93cf07ad527c5209ba8b75615f0ec69d40cb76da"
 dependencies = [
  "frame-support 2.0.0-alpha.4 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
  "frame-system 2.0.0-alpha.4 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
@@ -3139,7 +3164,7 @@ dependencies = [
 [[package]]
 name = "pallet-finality-tracker"
 version = "2.0.0-alpha.4"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#68e51d6e24862d499b5f042321cc87b172579e74"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93cf07ad527c5209ba8b75615f0ec69d40cb76da"
 dependencies = [
  "frame-support 2.0.0-alpha.4 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
  "frame-system 2.0.0-alpha.4 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
@@ -3155,7 +3180,7 @@ dependencies = [
 [[package]]
 name = "pallet-grandpa"
 version = "2.0.0-alpha.4"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#68e51d6e24862d499b5f042321cc87b172579e74"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93cf07ad527c5209ba8b75615f0ec69d40cb76da"
 dependencies = [
  "frame-support 2.0.0-alpha.4 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
  "frame-system 2.0.0-alpha.4 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
@@ -3173,7 +3198,7 @@ dependencies = [
 [[package]]
 name = "pallet-identity"
 version = "2.0.0-alpha.4"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#68e51d6e24862d499b5f042321cc87b172579e74"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93cf07ad527c5209ba8b75615f0ec69d40cb76da"
 dependencies = [
  "enumflags2 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "frame-benchmarking 2.0.0-alpha.4 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
@@ -3189,7 +3214,7 @@ dependencies = [
 [[package]]
 name = "pallet-im-online"
 version = "2.0.0-alpha.4"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#68e51d6e24862d499b5f042321cc87b172579e74"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93cf07ad527c5209ba8b75615f0ec69d40cb76da"
 dependencies = [
  "frame-support 2.0.0-alpha.4 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
  "frame-system 2.0.0-alpha.4 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
@@ -3208,7 +3233,7 @@ dependencies = [
 [[package]]
 name = "pallet-indices"
 version = "2.0.0-alpha.4"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#68e51d6e24862d499b5f042321cc87b172579e74"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93cf07ad527c5209ba8b75615f0ec69d40cb76da"
 dependencies = [
  "frame-support 2.0.0-alpha.4 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
  "frame-system 2.0.0-alpha.4 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
@@ -3224,7 +3249,7 @@ dependencies = [
 [[package]]
 name = "pallet-membership"
 version = "2.0.0-alpha.4"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#68e51d6e24862d499b5f042321cc87b172579e74"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93cf07ad527c5209ba8b75615f0ec69d40cb76da"
 dependencies = [
  "frame-support 2.0.0-alpha.4 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
  "frame-system 2.0.0-alpha.4 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
@@ -3238,7 +3263,7 @@ dependencies = [
 [[package]]
 name = "pallet-nicks"
 version = "2.0.0-alpha.4"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#68e51d6e24862d499b5f042321cc87b172579e74"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93cf07ad527c5209ba8b75615f0ec69d40cb76da"
 dependencies = [
  "frame-support 2.0.0-alpha.4 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
  "frame-system 2.0.0-alpha.4 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
@@ -3252,7 +3277,7 @@ dependencies = [
 [[package]]
 name = "pallet-offences"
 version = "2.0.0-alpha.4"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#68e51d6e24862d499b5f042321cc87b172579e74"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93cf07ad527c5209ba8b75615f0ec69d40cb76da"
 dependencies = [
  "frame-support 2.0.0-alpha.4 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
  "frame-system 2.0.0-alpha.4 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
@@ -3267,7 +3292,7 @@ dependencies = [
 [[package]]
 name = "pallet-randomness-collective-flip"
 version = "2.0.0-alpha.4"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#68e51d6e24862d499b5f042321cc87b172579e74"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93cf07ad527c5209ba8b75615f0ec69d40cb76da"
 dependencies = [
  "frame-support 2.0.0-alpha.4 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
  "frame-system 2.0.0-alpha.4 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
@@ -3280,7 +3305,7 @@ dependencies = [
 [[package]]
 name = "pallet-recovery"
 version = "2.0.0-alpha.4"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#68e51d6e24862d499b5f042321cc87b172579e74"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93cf07ad527c5209ba8b75615f0ec69d40cb76da"
 dependencies = [
  "enumflags2 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "frame-support 2.0.0-alpha.4 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
@@ -3295,7 +3320,7 @@ dependencies = [
 [[package]]
 name = "pallet-session"
 version = "2.0.0-alpha.4"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#68e51d6e24862d499b5f042321cc87b172579e74"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93cf07ad527c5209ba8b75615f0ec69d40cb76da"
 dependencies = [
  "frame-support 2.0.0-alpha.4 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
  "frame-system 2.0.0-alpha.4 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
@@ -3313,7 +3338,7 @@ dependencies = [
 [[package]]
 name = "pallet-society"
 version = "2.0.0-alpha.4"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#68e51d6e24862d499b5f042321cc87b172579e74"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93cf07ad527c5209ba8b75615f0ec69d40cb76da"
 dependencies = [
  "frame-support 2.0.0-alpha.4 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
  "frame-system 2.0.0-alpha.4 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
@@ -3328,7 +3353,7 @@ dependencies = [
 [[package]]
 name = "pallet-staking"
 version = "2.0.0-alpha.4"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#68e51d6e24862d499b5f042321cc87b172579e74"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93cf07ad527c5209ba8b75615f0ec69d40cb76da"
 dependencies = [
  "frame-support 2.0.0-alpha.4 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
  "frame-system 2.0.0-alpha.4 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
@@ -3347,7 +3372,7 @@ dependencies = [
 [[package]]
 name = "pallet-staking-reward-curve"
 version = "2.0.0-alpha.4"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#68e51d6e24862d499b5f042321cc87b172579e74"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93cf07ad527c5209ba8b75615f0ec69d40cb76da"
 dependencies = [
  "proc-macro-crate 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "proc-macro2 1.0.8 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -3358,7 +3383,7 @@ dependencies = [
 [[package]]
 name = "pallet-sudo"
 version = "2.0.0-alpha.4"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#68e51d6e24862d499b5f042321cc87b172579e74"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93cf07ad527c5209ba8b75615f0ec69d40cb76da"
 dependencies = [
  "frame-support 2.0.0-alpha.4 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
  "frame-system 2.0.0-alpha.4 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
@@ -3372,7 +3397,7 @@ dependencies = [
 [[package]]
 name = "pallet-timestamp"
 version = "2.0.0-alpha.4"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#68e51d6e24862d499b5f042321cc87b172579e74"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93cf07ad527c5209ba8b75615f0ec69d40cb76da"
 dependencies = [
  "frame-benchmarking 2.0.0-alpha.4 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
  "frame-support 2.0.0-alpha.4 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
@@ -3389,7 +3414,7 @@ dependencies = [
 [[package]]
 name = "pallet-transaction-payment"
 version = "2.0.0-alpha.4"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#68e51d6e24862d499b5f042321cc87b172579e74"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93cf07ad527c5209ba8b75615f0ec69d40cb76da"
 dependencies = [
  "frame-support 2.0.0-alpha.4 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
  "frame-system 2.0.0-alpha.4 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
@@ -3402,7 +3427,7 @@ dependencies = [
 [[package]]
 name = "pallet-transaction-payment-rpc"
 version = "2.0.0-alpha.4"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#68e51d6e24862d499b5f042321cc87b172579e74"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93cf07ad527c5209ba8b75615f0ec69d40cb76da"
 dependencies = [
  "jsonrpc-core 14.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "jsonrpc-core-client 14.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -3420,7 +3445,7 @@ dependencies = [
 [[package]]
 name = "pallet-transaction-payment-rpc-runtime-api"
 version = "2.0.0-alpha.4"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#68e51d6e24862d499b5f042321cc87b172579e74"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93cf07ad527c5209ba8b75615f0ec69d40cb76da"
 dependencies = [
  "frame-support 2.0.0-alpha.4 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
  "parity-scale-codec 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -3433,7 +3458,7 @@ dependencies = [
 [[package]]
 name = "pallet-treasury"
 version = "2.0.0-alpha.4"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#68e51d6e24862d499b5f042321cc87b172579e74"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93cf07ad527c5209ba8b75615f0ec69d40cb76da"
 dependencies = [
  "frame-support 2.0.0-alpha.4 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
  "frame-system 2.0.0-alpha.4 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
@@ -3447,7 +3472,7 @@ dependencies = [
 [[package]]
 name = "pallet-utility"
 version = "2.0.0-alpha.4"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#68e51d6e24862d499b5f042321cc87b172579e74"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93cf07ad527c5209ba8b75615f0ec69d40cb76da"
 dependencies = [
  "frame-support 2.0.0-alpha.4 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
  "frame-system 2.0.0-alpha.4 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
@@ -3462,7 +3487,7 @@ dependencies = [
 [[package]]
 name = "pallet-vesting"
 version = "2.0.0-alpha.4"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#68e51d6e24862d499b5f042321cc87b172579e74"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93cf07ad527c5209ba8b75615f0ec69d40cb76da"
 dependencies = [
  "enumflags2 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "frame-support 2.0.0-alpha.4 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
@@ -3544,14 +3569,27 @@ version = "0.5.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "cfg-if 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
- "ethereum-types 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "hashbrown 0.6.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "impl-trait-for-tuples 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "jemallocator 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "parity-util-mem-derive 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "parking_lot 0.10.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "smallvec 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "parity-util-mem"
+version = "0.6.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "cfg-if 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
+ "ethereum-types 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "hashbrown 0.6.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "impl-trait-for-tuples 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "lru 0.4.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-util-mem-derive 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "parking_lot 0.10.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "primitive-types 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "primitive-types 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "smallvec 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -4244,10 +4282,10 @@ dependencies = [
 
 [[package]]
 name = "primitive-types"
-version = "0.6.2"
+version = "0.7.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "fixed-hash 0.5.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "fixed-hash 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "impl-codec 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "impl-rlp 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "impl-serde 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -4834,7 +4872,7 @@ dependencies = [
 [[package]]
 name = "sc-authority-discovery"
 version = "0.8.0-alpha.4"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#68e51d6e24862d499b5f042321cc87b172579e74"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93cf07ad527c5209ba8b75615f0ec69d40cb76da"
 dependencies = [
  "bytes 0.5.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "derive_more 0.99.2 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -4861,7 +4899,7 @@ dependencies = [
 [[package]]
 name = "sc-block-builder"
 version = "0.8.0-alpha.4"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#68e51d6e24862d499b5f042321cc87b172579e74"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93cf07ad527c5209ba8b75615f0ec69d40cb76da"
 dependencies = [
  "parity-scale-codec 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "sc-client-api 2.0.0-alpha.4 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
@@ -4877,7 +4915,7 @@ dependencies = [
 [[package]]
 name = "sc-chain-spec"
 version = "2.0.0-alpha.4"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#68e51d6e24862d499b5f042321cc87b172579e74"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93cf07ad527c5209ba8b75615f0ec69d40cb76da"
 dependencies = [
  "impl-trait-for-tuples 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "sc-chain-spec-derive 2.0.0-alpha.4 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
@@ -4892,7 +4930,7 @@ dependencies = [
 [[package]]
 name = "sc-chain-spec-derive"
 version = "2.0.0-alpha.4"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#68e51d6e24862d499b5f042321cc87b172579e74"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93cf07ad527c5209ba8b75615f0ec69d40cb76da"
 dependencies = [
  "proc-macro-crate 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "proc-macro2 1.0.8 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -4903,7 +4941,7 @@ dependencies = [
 [[package]]
 name = "sc-cli"
 version = "0.8.0-alpha.4"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#68e51d6e24862d499b5f042321cc87b172579e74"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93cf07ad527c5209ba8b75615f0ec69d40cb76da"
 dependencies = [
  "ansi_term 0.12.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "app_dirs 1.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -4912,12 +4950,12 @@ dependencies = [
  "clap 2.33.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "derive_more 0.99.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "env_logger 0.7.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "fdlimit 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "fdlimit 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "names 0.11.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "parity-util-mem 0.5.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "parity-util-mem 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "regex 1.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "rpassword 4.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "sc-client-api 2.0.0-alpha.4 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
@@ -4942,14 +4980,14 @@ dependencies = [
 [[package]]
 name = "sc-client"
 version = "0.8.0-alpha.4"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#68e51d6e24862d499b5f042321cc87b172579e74"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93cf07ad527c5209ba8b75615f0ec69d40cb76da"
 dependencies = [
  "derive_more 0.99.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "fnv 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "hash-db 0.15.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "hex-literal 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "kvdb 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "kvdb 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-scale-codec 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "parking_lot 0.10.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -4976,14 +5014,14 @@ dependencies = [
 [[package]]
 name = "sc-client-api"
 version = "2.0.0-alpha.4"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#68e51d6e24862d499b5f042321cc87b172579e74"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93cf07ad527c5209ba8b75615f0ec69d40cb76da"
 dependencies = [
  "derive_more 0.99.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "fnv 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "hash-db 0.15.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "hex-literal 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "kvdb 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "kvdb 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-scale-codec 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "parking_lot 0.10.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -5008,16 +5046,16 @@ dependencies = [
 [[package]]
 name = "sc-client-db"
 version = "0.8.0-alpha.4"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#68e51d6e24862d499b5f042321cc87b172579e74"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93cf07ad527c5209ba8b75615f0ec69d40cb76da"
 dependencies = [
  "hash-db 0.15.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "kvdb 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "kvdb-memorydb 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "kvdb-rocksdb 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "kvdb 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "kvdb-memorydb 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "kvdb-rocksdb 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "linked-hash-map 0.5.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-scale-codec 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "parity-util-mem 0.5.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "parity-util-mem 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "parking_lot 0.10.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand 0.7.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "sc-client 0.8.0-alpha.4 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
@@ -5036,14 +5074,14 @@ dependencies = [
 [[package]]
 name = "sc-consensus-babe"
 version = "0.8.0-alpha.4"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#68e51d6e24862d499b5f042321cc87b172579e74"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93cf07ad527c5209ba8b75615f0ec69d40cb76da"
 dependencies = [
  "derive_more 0.99.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "fork-tree 2.0.0-alpha.4 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
  "futures 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures-timer 3.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
- "merlin 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "merlin 2.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "num-bigint 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "num-rational 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "num-traits 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -5058,7 +5096,7 @@ dependencies = [
  "sc-consensus-uncles 0.8.0-alpha.4 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
  "sc-keystore 2.0.0-alpha.4 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
  "sc-telemetry 2.0.0-alpha.4 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
- "schnorrkel 0.8.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "schnorrkel 0.9.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
  "sp-api 2.0.0-alpha.4 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
  "sp-application-crypto 2.0.0-alpha.4 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
@@ -5077,7 +5115,7 @@ dependencies = [
 [[package]]
 name = "sc-consensus-epochs"
 version = "0.8.0-alpha.4"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#68e51d6e24862d499b5f042321cc87b172579e74"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93cf07ad527c5209ba8b75615f0ec69d40cb76da"
 dependencies = [
  "fork-tree 2.0.0-alpha.4 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
  "parity-scale-codec 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -5090,7 +5128,7 @@ dependencies = [
 [[package]]
 name = "sc-consensus-slots"
 version = "0.8.0-alpha.4"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#68e51d6e24862d499b5f042321cc87b172579e74"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93cf07ad527c5209ba8b75615f0ec69d40cb76da"
 dependencies = [
  "futures 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures-timer 3.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -5111,7 +5149,7 @@ dependencies = [
 [[package]]
 name = "sc-consensus-uncles"
 version = "0.8.0-alpha.4"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#68e51d6e24862d499b5f042321cc87b172579e74"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93cf07ad527c5209ba8b75615f0ec69d40cb76da"
 dependencies = [
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "sc-client-api 2.0.0-alpha.4 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
@@ -5125,7 +5163,7 @@ dependencies = [
 [[package]]
 name = "sc-executor"
 version = "0.8.0-alpha.4"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#68e51d6e24862d499b5f042321cc87b172579e74"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93cf07ad527c5209ba8b75615f0ec69d40cb76da"
 dependencies = [
  "derive_more 0.99.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -5152,7 +5190,7 @@ dependencies = [
 [[package]]
 name = "sc-executor-common"
 version = "0.8.0-alpha.4"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#68e51d6e24862d499b5f042321cc87b172579e74"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93cf07ad527c5209ba8b75615f0ec69d40cb76da"
 dependencies = [
  "derive_more 0.99.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -5168,7 +5206,7 @@ dependencies = [
 [[package]]
 name = "sc-executor-wasmi"
 version = "0.8.0-alpha.4"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#68e51d6e24862d499b5f042321cc87b172579e74"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93cf07ad527c5209ba8b75615f0ec69d40cb76da"
 dependencies = [
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-scale-codec 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -5184,7 +5222,7 @@ dependencies = [
 [[package]]
 name = "sc-executor-wasmtime"
 version = "0.8.0-alpha.4"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#68e51d6e24862d499b5f042321cc87b172579e74"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93cf07ad527c5209ba8b75615f0ec69d40cb76da"
 dependencies = [
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-scale-codec 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -5195,13 +5233,13 @@ dependencies = [
  "sp-core 2.0.0-alpha.4 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
  "sp-runtime-interface 2.0.0-alpha.4 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
  "sp-wasm-interface 2.0.0-alpha.4 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
- "wasmtime 0.12.0 (git+https://github.com/paritytech/wasmtime?branch=a-thread-safe-api)",
+ "substrate-wasmtime 0.13.0-threadsafe.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "sc-finality-grandpa"
 version = "0.8.0-alpha.4"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#68e51d6e24862d499b5f042321cc87b172579e74"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93cf07ad527c5209ba8b75615f0ec69d40cb76da"
 dependencies = [
  "assert_matches 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "finality-grandpa 0.11.2 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -5236,12 +5274,12 @@ dependencies = [
 [[package]]
 name = "sc-informant"
 version = "0.8.0-alpha.4"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#68e51d6e24862d499b5f042321cc87b172579e74"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93cf07ad527c5209ba8b75615f0ec69d40cb76da"
 dependencies = [
  "ansi_term 0.12.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
- "parity-util-mem 0.5.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "parity-util-mem 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "sc-client-api 2.0.0-alpha.4 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
  "sc-network 0.8.0-alpha.4 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
  "sc-service 0.8.0-alpha.4 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
@@ -5253,7 +5291,7 @@ dependencies = [
 [[package]]
 name = "sc-keystore"
 version = "2.0.0-alpha.4"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#68e51d6e24862d499b5f042321cc87b172579e74"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93cf07ad527c5209ba8b75615f0ec69d40cb76da"
 dependencies = [
  "derive_more 0.99.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "hex 0.4.1 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -5268,7 +5306,7 @@ dependencies = [
 [[package]]
 name = "sc-network"
 version = "0.8.0-alpha.4"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#68e51d6e24862d499b5f042321cc87b172579e74"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93cf07ad527c5209ba8b75615f0ec69d40cb76da"
 dependencies = [
  "bitflags 1.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "bytes 0.5.4 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -5319,7 +5357,7 @@ dependencies = [
 [[package]]
 name = "sc-network-gossip"
 version = "0.8.0-alpha.4"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#68e51d6e24862d499b5f042321cc87b172579e74"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93cf07ad527c5209ba8b75615f0ec69d40cb76da"
 dependencies = [
  "futures 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures-timer 3.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -5334,7 +5372,7 @@ dependencies = [
 [[package]]
 name = "sc-network-test"
 version = "0.8.0-dev"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#68e51d6e24862d499b5f042321cc87b172579e74"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93cf07ad527c5209ba8b75615f0ec69d40cb76da"
 dependencies = [
  "env_logger 0.7.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -5360,7 +5398,7 @@ dependencies = [
 [[package]]
 name = "sc-offchain"
 version = "2.0.0-alpha.4"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#68e51d6e24862d499b5f042321cc87b172579e74"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93cf07ad527c5209ba8b75615f0ec69d40cb76da"
 dependencies = [
  "bytes 0.5.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "fnv 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -5386,7 +5424,7 @@ dependencies = [
 [[package]]
 name = "sc-peerset"
 version = "2.0.0-alpha.4"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#68e51d6e24862d499b5f042321cc87b172579e74"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93cf07ad527c5209ba8b75615f0ec69d40cb76da"
 dependencies = [
  "futures 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "libp2p 0.16.2 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -5398,7 +5436,7 @@ dependencies = [
 [[package]]
 name = "sc-rpc"
 version = "2.0.0-alpha.4"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#68e51d6e24862d499b5f042321cc87b172579e74"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93cf07ad527c5209ba8b75615f0ec69d40cb76da"
 dependencies = [
  "futures 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "hash-db 0.15.2 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -5429,7 +5467,7 @@ dependencies = [
 [[package]]
 name = "sc-rpc-api"
 version = "0.8.0-alpha.4"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#68e51d6e24862d499b5f042321cc87b172579e74"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93cf07ad527c5209ba8b75615f0ec69d40cb76da"
 dependencies = [
  "derive_more 0.99.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -5452,7 +5490,7 @@ dependencies = [
 [[package]]
 name = "sc-rpc-server"
 version = "2.0.0-alpha.4"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#68e51d6e24862d499b5f042321cc87b172579e74"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93cf07ad527c5209ba8b75615f0ec69d40cb76da"
 dependencies = [
  "jsonrpc-core 14.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "jsonrpc-http-server 14.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -5467,7 +5505,7 @@ dependencies = [
 [[package]]
 name = "sc-service"
 version = "0.8.0-alpha.4"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#68e51d6e24862d499b5f042321cc87b172579e74"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93cf07ad527c5209ba8b75615f0ec69d40cb76da"
 dependencies = [
  "derive_more 0.99.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "exit-future 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -5479,7 +5517,7 @@ dependencies = [
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-multiaddr 0.7.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-scale-codec 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "parity-util-mem 0.5.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "parity-util-mem 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "parking_lot 0.10.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "sc-chain-spec 2.0.0-alpha.4 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
  "sc-client 0.8.0-alpha.4 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
@@ -5507,7 +5545,7 @@ dependencies = [
  "sp-session 2.0.0-alpha.4 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
  "sp-transaction-pool 2.0.0-alpha.4 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
  "substrate-prometheus-endpoint 0.8.0-alpha.4 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
- "sysinfo 0.11.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "sysinfo 0.12.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "target_info 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "tracing 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)",
  "wasm-timer 0.2.4 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -5516,11 +5554,11 @@ dependencies = [
 [[package]]
 name = "sc-state-db"
 version = "0.8.0-alpha.4"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#68e51d6e24862d499b5f042321cc87b172579e74"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93cf07ad527c5209ba8b75615f0ec69d40cb76da"
 dependencies = [
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-scale-codec 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "parity-util-mem 0.5.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "parity-util-mem 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-util-mem-derive 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "parking_lot 0.10.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "sc-client-api 2.0.0-alpha.4 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
@@ -5530,7 +5568,7 @@ dependencies = [
 [[package]]
 name = "sc-telemetry"
 version = "2.0.0-alpha.4"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#68e51d6e24862d499b5f042321cc87b172579e74"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93cf07ad527c5209ba8b75615f0ec69d40cb76da"
 dependencies = [
  "bytes 0.5.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -5552,7 +5590,7 @@ dependencies = [
 [[package]]
 name = "sc-tracing"
 version = "2.0.0-alpha.4"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#68e51d6e24862d499b5f042321cc87b172579e74"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93cf07ad527c5209ba8b75615f0ec69d40cb76da"
 dependencies = [
  "erased-serde 0.3.10 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -5567,13 +5605,13 @@ dependencies = [
 [[package]]
 name = "sc-transaction-graph"
 version = "2.0.0-alpha.4"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#68e51d6e24862d499b5f042321cc87b172579e74"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93cf07ad527c5209ba8b75615f0ec69d40cb76da"
 dependencies = [
  "derive_more 0.99.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "linked-hash-map 0.5.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
- "parity-util-mem 0.5.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "parity-util-mem 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "parking_lot 0.10.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
  "sp-blockchain 2.0.0-alpha.4 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
@@ -5586,7 +5624,7 @@ dependencies = [
 [[package]]
 name = "sc-transaction-pool"
 version = "2.0.0-alpha.4"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#68e51d6e24862d499b5f042321cc87b172579e74"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93cf07ad527c5209ba8b75615f0ec69d40cb76da"
 dependencies = [
  "derive_more 0.99.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -5594,7 +5632,7 @@ dependencies = [
  "futures-timer 2.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-scale-codec 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "parity-util-mem 0.5.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "parity-util-mem 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "parking_lot 0.10.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "sc-client-api 2.0.0-alpha.4 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
  "sc-transaction-graph 2.0.0-alpha.4 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
@@ -5617,18 +5655,19 @@ dependencies = [
 
 [[package]]
 name = "schnorrkel"
-version = "0.8.5"
+version = "0.9.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "curve25519-dalek 1.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "failure 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
- "merlin 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "rand 0.6.5 (registry+https://github.com/rust-lang/crates.io-index)",
- "rand_core 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "rand_os 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "arrayref 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "arrayvec 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "curve25519-dalek 2.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "getrandom 0.1.14 (registry+https://github.com/rust-lang/crates.io-index)",
+ "merlin 2.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rand 0.7.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rand_core 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "sha2 0.8.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "subtle 2.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "zeroize 0.9.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "zeroize 1.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -5936,7 +5975,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 [[package]]
 name = "sp-allocator"
 version = "2.0.0-alpha.4"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#68e51d6e24862d499b5f042321cc87b172579e74"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93cf07ad527c5209ba8b75615f0ec69d40cb76da"
 dependencies = [
  "derive_more 0.99.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -5948,7 +5987,7 @@ dependencies = [
 [[package]]
 name = "sp-api"
 version = "2.0.0-alpha.4"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#68e51d6e24862d499b5f042321cc87b172579e74"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93cf07ad527c5209ba8b75615f0ec69d40cb76da"
 dependencies = [
  "hash-db 0.15.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-scale-codec 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -5963,7 +6002,7 @@ dependencies = [
 [[package]]
 name = "sp-api-proc-macro"
 version = "2.0.0-alpha.4"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#68e51d6e24862d499b5f042321cc87b172579e74"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93cf07ad527c5209ba8b75615f0ec69d40cb76da"
 dependencies = [
  "blake2-rfc 0.2.18 (registry+https://github.com/rust-lang/crates.io-index)",
  "proc-macro-crate 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -5975,7 +6014,7 @@ dependencies = [
 [[package]]
 name = "sp-application-crypto"
 version = "2.0.0-alpha.4"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#68e51d6e24862d499b5f042321cc87b172579e74"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93cf07ad527c5209ba8b75615f0ec69d40cb76da"
 dependencies = [
  "parity-scale-codec 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -5987,7 +6026,7 @@ dependencies = [
 [[package]]
 name = "sp-arithmetic"
 version = "2.0.0-alpha.4"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#68e51d6e24862d499b5f042321cc87b172579e74"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93cf07ad527c5209ba8b75615f0ec69d40cb76da"
 dependencies = [
  "integer-sqrt 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "num-traits 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -6000,7 +6039,7 @@ dependencies = [
 [[package]]
 name = "sp-authority-discovery"
 version = "2.0.0-alpha.4"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#68e51d6e24862d499b5f042321cc87b172579e74"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93cf07ad527c5209ba8b75615f0ec69d40cb76da"
 dependencies = [
  "parity-scale-codec 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "sp-api 2.0.0-alpha.4 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
@@ -6012,7 +6051,7 @@ dependencies = [
 [[package]]
 name = "sp-authorship"
 version = "2.0.0-alpha.4"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#68e51d6e24862d499b5f042321cc87b172579e74"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93cf07ad527c5209ba8b75615f0ec69d40cb76da"
 dependencies = [
  "parity-scale-codec 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "sp-inherents 2.0.0-alpha.4 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
@@ -6023,7 +6062,7 @@ dependencies = [
 [[package]]
 name = "sp-block-builder"
 version = "2.0.0-alpha.4"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#68e51d6e24862d499b5f042321cc87b172579e74"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93cf07ad527c5209ba8b75615f0ec69d40cb76da"
 dependencies = [
  "parity-scale-codec 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "sp-api 2.0.0-alpha.4 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
@@ -6035,7 +6074,7 @@ dependencies = [
 [[package]]
 name = "sp-blockchain"
 version = "2.0.0-alpha.4"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#68e51d6e24862d499b5f042321cc87b172579e74"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93cf07ad527c5209ba8b75615f0ec69d40cb76da"
 dependencies = [
  "derive_more 0.99.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -6051,7 +6090,7 @@ dependencies = [
 [[package]]
 name = "sp-consensus"
 version = "0.8.0-alpha.4"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#68e51d6e24862d499b5f042321cc87b172579e74"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93cf07ad527c5209ba8b75615f0ec69d40cb76da"
 dependencies = [
  "derive_more 0.99.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -6073,7 +6112,7 @@ dependencies = [
 [[package]]
 name = "sp-consensus-aura"
 version = "0.8.0-alpha.4"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#68e51d6e24862d499b5f042321cc87b172579e74"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93cf07ad527c5209ba8b75615f0ec69d40cb76da"
 dependencies = [
  "parity-scale-codec 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "sp-api 2.0.0-alpha.4 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
@@ -6087,10 +6126,10 @@ dependencies = [
 [[package]]
 name = "sp-consensus-babe"
 version = "0.8.0-alpha.4"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#68e51d6e24862d499b5f042321cc87b172579e74"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93cf07ad527c5209ba8b75615f0ec69d40cb76da"
 dependencies = [
  "parity-scale-codec 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "schnorrkel 0.8.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "schnorrkel 0.9.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "sp-api 2.0.0-alpha.4 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
  "sp-application-crypto 2.0.0-alpha.4 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
  "sp-consensus 0.8.0-alpha.4 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
@@ -6103,7 +6142,7 @@ dependencies = [
 [[package]]
 name = "sp-core"
 version = "2.0.0-alpha.4"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#68e51d6e24862d499b5f042321cc87b172579e74"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93cf07ad527c5209ba8b75615f0ec69d40cb76da"
 dependencies = [
  "base58 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "blake2-rfc 0.2.18 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -6119,13 +6158,13 @@ dependencies = [
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "num-traits 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-scale-codec 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "parity-util-mem 0.5.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "parity-util-mem 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "parking_lot 0.10.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "primitive-types 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "primitive-types 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand 0.7.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "regex 1.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "rustc-hex 2.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "schnorrkel 0.8.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "schnorrkel 0.9.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
  "sha2 0.8.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "sp-debug-derive 2.0.0-alpha.4 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
@@ -6133,7 +6172,7 @@ dependencies = [
  "sp-runtime-interface 2.0.0-alpha.4 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
  "sp-std 2.0.0-alpha.4 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
  "sp-storage 2.0.0-alpha.4 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
- "substrate-bip39 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "substrate-bip39 0.4.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "tiny-bip39 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "tiny-keccak 2.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "twox-hash 1.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -6144,7 +6183,7 @@ dependencies = [
 [[package]]
 name = "sp-debug-derive"
 version = "2.0.0-alpha.4"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#68e51d6e24862d499b5f042321cc87b172579e74"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93cf07ad527c5209ba8b75615f0ec69d40cb76da"
 dependencies = [
  "proc-macro2 1.0.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "quote 1.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -6154,7 +6193,7 @@ dependencies = [
 [[package]]
 name = "sp-externalities"
 version = "0.8.0-alpha.4"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#68e51d6e24862d499b5f042321cc87b172579e74"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93cf07ad527c5209ba8b75615f0ec69d40cb76da"
 dependencies = [
  "environmental 1.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "sp-std 2.0.0-alpha.4 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
@@ -6164,7 +6203,7 @@ dependencies = [
 [[package]]
 name = "sp-finality-grandpa"
 version = "2.0.0-alpha.4"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#68e51d6e24862d499b5f042321cc87b172579e74"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93cf07ad527c5209ba8b75615f0ec69d40cb76da"
 dependencies = [
  "parity-scale-codec 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -6177,7 +6216,7 @@ dependencies = [
 [[package]]
 name = "sp-finality-tracker"
 version = "2.0.0-alpha.4"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#68e51d6e24862d499b5f042321cc87b172579e74"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93cf07ad527c5209ba8b75615f0ec69d40cb76da"
 dependencies = [
  "parity-scale-codec 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "sp-inherents 2.0.0-alpha.4 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
@@ -6187,7 +6226,7 @@ dependencies = [
 [[package]]
 name = "sp-inherents"
 version = "2.0.0-alpha.4"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#68e51d6e24862d499b5f042321cc87b172579e74"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93cf07ad527c5209ba8b75615f0ec69d40cb76da"
 dependencies = [
  "derive_more 0.99.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-scale-codec 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -6199,7 +6238,7 @@ dependencies = [
 [[package]]
 name = "sp-io"
 version = "2.0.0-alpha.4"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#68e51d6e24862d499b5f042321cc87b172579e74"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93cf07ad527c5209ba8b75615f0ec69d40cb76da"
 dependencies = [
  "hash-db 0.15.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "libsecp256k1 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -6217,7 +6256,7 @@ dependencies = [
 [[package]]
 name = "sp-keyring"
 version = "2.0.0-alpha.4"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#68e51d6e24862d499b5f042321cc87b172579e74"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93cf07ad527c5209ba8b75615f0ec69d40cb76da"
 dependencies = [
  "lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "sp-core 2.0.0-alpha.4 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
@@ -6228,7 +6267,7 @@ dependencies = [
 [[package]]
 name = "sp-offchain"
 version = "2.0.0-alpha.4"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#68e51d6e24862d499b5f042321cc87b172579e74"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93cf07ad527c5209ba8b75615f0ec69d40cb76da"
 dependencies = [
  "sp-api 2.0.0-alpha.4 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
  "sp-runtime 2.0.0-alpha.4 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
@@ -6237,7 +6276,7 @@ dependencies = [
 [[package]]
 name = "sp-panic-handler"
 version = "2.0.0-alpha.4"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#68e51d6e24862d499b5f042321cc87b172579e74"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93cf07ad527c5209ba8b75615f0ec69d40cb76da"
 dependencies = [
  "backtrace 0.3.43 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -6246,7 +6285,7 @@ dependencies = [
 [[package]]
 name = "sp-phragmen"
 version = "2.0.0-alpha.4"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#68e51d6e24862d499b5f042321cc87b172579e74"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93cf07ad527c5209ba8b75615f0ec69d40cb76da"
 dependencies = [
  "serde 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
  "sp-runtime 2.0.0-alpha.4 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
@@ -6256,7 +6295,7 @@ dependencies = [
 [[package]]
 name = "sp-rpc"
 version = "2.0.0-alpha.4"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#68e51d6e24862d499b5f042321cc87b172579e74"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93cf07ad527c5209ba8b75615f0ec69d40cb76da"
 dependencies = [
  "serde 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
  "sp-core 2.0.0-alpha.4 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
@@ -6265,13 +6304,13 @@ dependencies = [
 [[package]]
 name = "sp-runtime"
 version = "2.0.0-alpha.4"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#68e51d6e24862d499b5f042321cc87b172579e74"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93cf07ad527c5209ba8b75615f0ec69d40cb76da"
 dependencies = [
  "hash256-std-hasher 0.15.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "impl-trait-for-tuples 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-scale-codec 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "parity-util-mem 0.5.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "parity-util-mem 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "paste 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand 0.7.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -6286,10 +6325,10 @@ dependencies = [
 [[package]]
 name = "sp-runtime-interface"
 version = "2.0.0-alpha.4"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#68e51d6e24862d499b5f042321cc87b172579e74"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93cf07ad527c5209ba8b75615f0ec69d40cb76da"
 dependencies = [
  "parity-scale-codec 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "primitive-types 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "primitive-types 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "sp-externalities 0.8.0-alpha.4 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
  "sp-runtime-interface-proc-macro 2.0.0-alpha.4 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
  "sp-std 2.0.0-alpha.4 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
@@ -6300,7 +6339,7 @@ dependencies = [
 [[package]]
 name = "sp-runtime-interface-proc-macro"
 version = "2.0.0-alpha.4"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#68e51d6e24862d499b5f042321cc87b172579e74"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93cf07ad527c5209ba8b75615f0ec69d40cb76da"
 dependencies = [
  "Inflector 0.11.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "proc-macro-crate 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -6312,7 +6351,7 @@ dependencies = [
 [[package]]
 name = "sp-serializer"
 version = "2.0.0-alpha.4"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#68e51d6e24862d499b5f042321cc87b172579e74"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93cf07ad527c5209ba8b75615f0ec69d40cb76da"
 dependencies = [
  "serde 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_json 1.0.47 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -6321,7 +6360,7 @@ dependencies = [
 [[package]]
 name = "sp-session"
 version = "2.0.0-alpha.4"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#68e51d6e24862d499b5f042321cc87b172579e74"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93cf07ad527c5209ba8b75615f0ec69d40cb76da"
 dependencies = [
  "sp-api 2.0.0-alpha.4 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
  "sp-core 2.0.0-alpha.4 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
@@ -6332,7 +6371,7 @@ dependencies = [
 [[package]]
 name = "sp-staking"
 version = "2.0.0-alpha.4"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#68e51d6e24862d499b5f042321cc87b172579e74"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93cf07ad527c5209ba8b75615f0ec69d40cb76da"
 dependencies = [
  "parity-scale-codec 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "sp-runtime 2.0.0-alpha.4 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
@@ -6342,7 +6381,7 @@ dependencies = [
 [[package]]
 name = "sp-state-machine"
 version = "0.8.0-alpha.4"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#68e51d6e24862d499b5f042321cc87b172579e74"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93cf07ad527c5209ba8b75615f0ec69d40cb76da"
 dependencies = [
  "hash-db 0.15.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -6361,12 +6400,12 @@ dependencies = [
 [[package]]
 name = "sp-std"
 version = "2.0.0-alpha.4"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#68e51d6e24862d499b5f042321cc87b172579e74"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93cf07ad527c5209ba8b75615f0ec69d40cb76da"
 
 [[package]]
 name = "sp-storage"
 version = "2.0.0-alpha.4"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#68e51d6e24862d499b5f042321cc87b172579e74"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93cf07ad527c5209ba8b75615f0ec69d40cb76da"
 dependencies = [
  "impl-serde 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -6377,7 +6416,7 @@ dependencies = [
 [[package]]
 name = "sp-timestamp"
 version = "2.0.0-alpha.4"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#68e51d6e24862d499b5f042321cc87b172579e74"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93cf07ad527c5209ba8b75615f0ec69d40cb76da"
 dependencies = [
  "impl-trait-for-tuples 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-scale-codec 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -6391,7 +6430,7 @@ dependencies = [
 [[package]]
 name = "sp-transaction-pool"
 version = "2.0.0-alpha.4"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#68e51d6e24862d499b5f042321cc87b172579e74"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93cf07ad527c5209ba8b75615f0ec69d40cb76da"
 dependencies = [
  "derive_more 0.99.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -6405,7 +6444,7 @@ dependencies = [
 [[package]]
 name = "sp-trie"
 version = "2.0.0-alpha.4"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#68e51d6e24862d499b5f042321cc87b172579e74"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93cf07ad527c5209ba8b75615f0ec69d40cb76da"
 dependencies = [
  "hash-db 0.15.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "memory-db 0.19.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -6419,7 +6458,7 @@ dependencies = [
 [[package]]
 name = "sp-version"
 version = "2.0.0-alpha.4"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#68e51d6e24862d499b5f042321cc87b172579e74"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93cf07ad527c5209ba8b75615f0ec69d40cb76da"
 dependencies = [
  "impl-serde 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-scale-codec 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -6431,7 +6470,7 @@ dependencies = [
 [[package]]
 name = "sp-wasm-interface"
 version = "2.0.0-alpha.4"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#68e51d6e24862d499b5f042321cc87b172579e74"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93cf07ad527c5209ba8b75615f0ec69d40cb76da"
 dependencies = [
  "impl-trait-for-tuples 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-scale-codec 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -6526,19 +6565,19 @@ dependencies = [
 
 [[package]]
 name = "substrate-bip39"
-version = "0.3.1"
+version = "0.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "hmac 0.7.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "pbkdf2 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "schnorrkel 0.8.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "schnorrkel 0.9.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "sha2 0.8.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "substrate-browser-utils"
 version = "0.8.0-alpha.4"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#68e51d6e24862d499b5f042321cc87b172579e74"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93cf07ad527c5209ba8b75615f0ec69d40cb76da"
 dependencies = [
  "chrono 0.4.10 (registry+https://github.com/rust-lang/crates.io-index)",
  "clear_on_drop 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -6548,7 +6587,7 @@ dependencies = [
  "futures 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures-timer 3.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "js-sys 0.3.35 (registry+https://github.com/rust-lang/crates.io-index)",
- "kvdb-web 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "kvdb-web 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "libp2p-wasm-ext 0.16.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand 0.6.5 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -6564,7 +6603,7 @@ dependencies = [
 [[package]]
 name = "substrate-frame-rpc-system"
 version = "2.0.0-alpha.4"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#68e51d6e24862d499b5f042321cc87b172579e74"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93cf07ad527c5209ba8b75615f0ec69d40cb76da"
 dependencies = [
  "frame-system-rpc-runtime-api 2.0.0-alpha.4 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
  "futures 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -6585,7 +6624,7 @@ dependencies = [
 [[package]]
 name = "substrate-prometheus-endpoint"
 version = "0.8.0-alpha.4"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#68e51d6e24862d499b5f042321cc87b172579e74"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93cf07ad527c5209ba8b75615f0ec69d40cb76da"
 dependencies = [
  "async-std 1.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "derive_more 0.99.2 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -6599,7 +6638,7 @@ dependencies = [
 [[package]]
 name = "substrate-test-client"
 version = "2.0.0-dev"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#68e51d6e24862d499b5f042321cc87b172579e74"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93cf07ad527c5209ba8b75615f0ec69d40cb76da"
 dependencies = [
  "futures 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "hash-db 0.15.2 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -6619,7 +6658,7 @@ dependencies = [
 [[package]]
 name = "substrate-test-runtime"
 version = "2.0.0-dev"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#68e51d6e24862d499b5f042321cc87b172579e74"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93cf07ad527c5209ba8b75615f0ec69d40cb76da"
 dependencies = [
  "cfg-if 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
  "frame-executive 2.0.0-alpha.4 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
@@ -6631,7 +6670,7 @@ dependencies = [
  "pallet-babe 2.0.0-alpha.4 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
  "pallet-timestamp 2.0.0-alpha.4 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
  "parity-scale-codec 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "parity-util-mem 0.5.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "parity-util-mem 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "sc-client 0.8.0-alpha.4 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
  "serde 1.0.104 (registry+https://github.com/rust-lang/crates.io-index)",
  "sp-api 2.0.0-alpha.4 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
@@ -6658,7 +6697,7 @@ dependencies = [
 [[package]]
 name = "substrate-test-runtime-client"
 version = "2.0.0-dev"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#68e51d6e24862d499b5f042321cc87b172579e74"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93cf07ad527c5209ba8b75615f0ec69d40cb76da"
 dependencies = [
  "futures 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-scale-codec 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -6676,13 +6715,79 @@ dependencies = [
 [[package]]
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 "checksum fake-simd 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)" = "e88a8acf291dafb59c2d96e8f59828f3838bb1a70398823ade51a84de6a6deed"
 "checksum fallible-iterator 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "4443176a9f2c162692bd3d352d745ef9413eec5782a80d8fd6f8a1ac692a07f7"
-"checksum fdlimit 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)" = "9084c55bb76efb1496328976db88320fe7d9ee86e649e83c4ecce3ba7a9a35d1"
+"checksum fdlimit 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)" = "0da54a593b34c71b889ee45f5b5bb900c74148c5f7f8c6a9479ee7899f69603c"
 "checksum file-per-thread-logger 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)" = "8505b75b31ef7285168dd237c4a7db3c1f3e0927e7d314e670bc98e854272fe9"
 "checksum finality-grandpa 0.11.2 (registry+https://github.com/rust-lang/crates.io-index)" = "024517816630be5204eba201e8d1d405042b1255a5e0e3f298b054fc24d59e1d"
-"checksum fixed-hash 0.5.2 (registry+https://github.com/rust-lang/crates.io-index)" = "3367952ceb191f4ab95dd5685dc163ac539e36202f9fcfd0cb22f9f9c542fefc"
+"checksum fixed-hash 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)" = "32529fc42e86ec06e5047092082aab9ad459b070c5d2a76b14f4f5ce70bf2e84"
 "checksum fixedbitset 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "37ab347416e802de484e4d03c7316c48f1ecb56574dfd4a46a80f173ce1de04d"
 "checksum flate2 1.0.13 (registry+https://github.com/rust-lang/crates.io-index)" = "6bd6d6f4752952feb71363cffc9ebac9411b75b87c6ab6058c40c8900cf43c0f"
 "checksum fnv 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)" = "2fad85553e09a6f881f739c29f0b00b0f01357c743266d478b68951ce23285f3"
@@ -8029,9 +8062,12 @@ dependencies = [
 "checksum kernel32-sys 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "7507624b29483431c0ba2d82aece8ca6cdba9382bff4ddd0f7490560c056098d"
 "checksum kv-log-macro 1.0.4 (registry+https://github.com/rust-lang/crates.io-index)" = "8c54d9f465d530a752e6ebdc217e081a7a614b48cb200f6f0aee21ba6bc9aabb"
 "checksum kvdb 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "03080afe6f42cd996da9f568d6add5d7fb5ee2ea7fb7802d2d2cbd836958fd87"
+"checksum kvdb 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)" = "cad096c6849b2ef027fabe35c4aed356d0e3d3f586d0a8361e5e17f1e50a7ce5"
 "checksum kvdb-memorydb 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "b9355274e5a9e0a7e8ef43916950eae3949024de2a8dffe4d5a6c13974a37c8e"
+"checksum kvdb-memorydb 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)" = "4aa954d12cfac958822dfd77aab34f3eec71f103b918c4ab79ab59a36ee594ea"
 "checksum kvdb-rocksdb 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)" = "1fecd50b14a534125228d7039951f92aaff742aff151c04546347aba4d3b4fbc"
-"checksum kvdb-web 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "7a985c47b4c46429e96033ebf6eaed784a81ceccb4e5df13d63f3b9078a4df81"
+"checksum kvdb-rocksdb 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)" = "b3f14c3a10c8894d26175e57e9e26032e6d6c49c30cbe2468c5bf5f6b64bb0be"
+"checksum kvdb-web 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)" = "26f96eec962af83cdf7c83036b3dbb0ae6a1249ddab746820618e2567ca8ebcd"
 "checksum lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "e2abad23fbc42b3700f2f279844dc832adb2b2eb069b2df918f455c4e18cc646"
 "checksum lazycell 1.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "b294d6fa9ee409a054354afc4352b0b9ef7ca222c69b8812cbea9e7d2bf3783f"
 "checksum leb128 0.2.4 (registry+https://github.com/rust-lang/crates.io-index)" = "3576a87f2ba00f6f106fdfcd16db1d698d648a26ad8e0573cad8537c3c362d2a"
@@ -8076,7 +8112,7 @@ dependencies = [
 "checksum memory-db 0.19.0 (registry+https://github.com/rust-lang/crates.io-index)" = "198831fe8722331a395bc199a5d08efbc197497ef354cb4c77b969c02ffc0fc4"
 "checksum memory_units 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)" = "71d96e3f3c0b6325d8ccd83c33b28acb183edcb6c67938ba104ec546854b0882"
 "checksum memrange 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)" = "cc29ba65898edc4fdc252cb31cd3925f37c1a8ba25bb46eec883569984976530"
-"checksum merlin 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)" = "2b0942b357c1b4d0dc43ba724674ec89c3218e6ca2b3e8269e7cb53bcecd2f6e"
+"checksum merlin 2.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "c6feca46f4fa3443a01769d768727f10c10a20fdb65e52dc16a81f0c8269bb78"
 "checksum miniz_oxide 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)" = "aa679ff6578b1cddee93d7e82e263b94a575e0bfced07284eb0c037c1d2416a5"
 "checksum mio 0.6.21 (registry+https://github.com/rust-lang/crates.io-index)" = "302dec22bcf6bae6dfb69c647187f4b4d0fb6f535521f7bc022430ce8e12008f"
 "checksum mio-extras 2.0.6 (registry+https://github.com/rust-lang/crates.io-index)" = "52403fe290012ce777c4626790c8951324a2b9e3316b3143779c72b029742f19"
@@ -8141,6 +8177,7 @@ dependencies = [
 "checksum parity-scale-codec-derive 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "5a0ec292e92e8ec7c58e576adacc1e3f399c597c8f263c42f18420abe58e7245"
 "checksum parity-send-wrapper 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "aa9777aa91b8ad9dd5aaa04a9b6bcb02c7f1deb952fca5a66034d5e63afc5c6f"
 "checksum parity-util-mem 0.5.2 (registry+https://github.com/rust-lang/crates.io-index)" = "9344bc978467339b9ae688f9dcf279d1aaa0ccfc88e9a780c729b765a82d57d5"
+"checksum parity-util-mem 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)" = "6e42755f26e5ea21a6a819d9e63cbd70713e9867a2b767ec2cc65ca7659532c5"
 "checksum parity-util-mem-derive 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "f557c32c6d268a07c921471619c0295f5efad3a0e76d4f97a05c091a51d110b2"
 "checksum parity-wasm 0.41.0 (registry+https://github.com/rust-lang/crates.io-index)" = "ddfc878dac00da22f8f61e7af3157988424567ab01d9920b962ef7dcbd7cd865"
 "checksum parking_lot 0.10.0 (registry+https://github.com/rust-lang/crates.io-index)" = "92e98c49ab0b7ce5b222f2cc9193fc4efe11c6d0bd4f648e374684a6857b1cfc"
@@ -8166,7 +8203,7 @@ dependencies = [
 "checksum predicates-core 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "06075c3a3e92559ff8929e7a280684489ea27fe44805174c3ebd9328dcb37178"
 "checksum predicates-tree 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "8e63c4859013b38a76eca2414c64911fba30def9e3202ac461a2d22831220124"
 "checksum pretty_assertions 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)" = "3a029430f0d744bc3d15dd474d591bed2402b645d024583082b9f63bb936dac6"
-"checksum primitive-types 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)" = "e4336f4f5d5524fa60bcbd6fe626f9223d8142a50e7053e979acdf0da41ab975"
+"checksum primitive-types 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)" = "e5e4b9943a2da369aec5e96f7c10ebc74fcf434d39590d974b0a3460e6f67fbb"
 "checksum proc-macro-crate 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)" = "e10d4b51f154c8a7fb96fd6dad097cb74b863943ec010ac94b9fd1be8861fe1e"
 "checksum proc-macro-error 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)" = "875077759af22fa20b610ad4471d8155b321c89c3f2785526c9839b099be4e0a"
 "checksum proc-macro-error-attr 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)" = "c5717d9fa2664351a01ed73ba5ef6df09c01a521cb42cb65a061432a826f3c7a"
@@ -8264,7 +8301,7 @@ dependencies = [
 "checksum sc-transaction-graph 2.0.0-alpha.4 (git+https://github.com/paritytech/substrate?branch=polkadot-master)" = "<none>"
 "checksum sc-transaction-pool 2.0.0-alpha.4 (git+https://github.com/paritytech/substrate?branch=polkadot-master)" = "<none>"
 "checksum schannel 0.1.17 (registry+https://github.com/rust-lang/crates.io-index)" = "507a9e6e8ffe0a4e0ebb9a10293e62fdf7657c06f1b8bb07a8fcf697d2abf295"
-"checksum schnorrkel 0.8.5 (registry+https://github.com/rust-lang/crates.io-index)" = "eacd8381b3c37840c9c9f40472af529e49975bdcbc24f83c31059fd6539023d3"
+"checksum schnorrkel 0.9.1 (registry+https://github.com/rust-lang/crates.io-index)" = "021b403afe70d81eea68f6ea12f6b3c9588e5d536a94c3bf80f15e7faa267862"
 "checksum scoped-tls 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "ea6a9290e3c9cf0f18145ef7ffa62d68ee0bf5fcd651017e586dc7fd5da448c2"
 "checksum scopeguard 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "b42e15e59b18a828bbf5c58ea01debb36b9b096346de35d941dcb89009f24a0d"
 "checksum scroll 0.10.1 (registry+https://github.com/rust-lang/crates.io-index)" = "abb2332cb595d33f7edd5700f4cbf94892e680c7f0ae56adab58a35190b66cb1"
@@ -8348,7 +8385,7 @@ dependencies = [
 "checksum structopt-derive 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)" = "095064aa1f5b94d14e635d0a5684cf140c43ae40a0fd990708d38f5d669e5f64"
 "checksum strum 0.16.0 (registry+https://github.com/rust-lang/crates.io-index)" = "6138f8f88a16d90134763314e3fc76fa3ed6a7db4725d6acf9a3ef95a3188d22"
 "checksum strum_macros 0.16.0 (registry+https://github.com/rust-lang/crates.io-index)" = "0054a7df764039a6cd8592b9de84be4bec368ff081d203a7d5371cbfa8e65c81"
-"checksum substrate-bip39 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)" = "3be511be555a3633e71739a79e4ddff6a6aaa6579fa6114182a51d72c3eb93c5"
+"checksum substrate-bip39 0.4.1 (registry+https://github.com/rust-lang/crates.io-index)" = "c004e8166d6e0aa3a9d5fa673e5b7098ff25f930de1013a21341988151e681bb"
 "checksum substrate-browser-utils 0.8.0-alpha.4 (git+https://github.com/paritytech/substrate?branch=polkadot-master)" = "<none>"
 "checksum substrate-frame-rpc-system 2.0.0-alpha.4 (git+https://github.com/paritytech/substrate?branch=polkadot-master)" = "<none>"
 "checksum substrate-prometheus-endpoint 0.8.0-alpha.4 (git+https://github.com/paritytech/substrate?branch=polkadot-master)" = "<none>"
@@ -8357,13 +8394,16 @@ dependencies = [
 "checksum substrate-test-runtime-client 2.0.0-dev (git+https://github.com/paritytech/substrate?branch=polkadot-master)" = "<none>"
 "checksum substrate-wasm-builder-runner 1.0.5 (git+https://github.com/paritytech/substrate?branch=polkadot-master)" = "<none>"
 "checksum substrate-wasm-builder-runner 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)" = "e30c70de7e7d5fd404fe26db1e7a4d6b553e2760b1ac490f249c04a960c483b8"
+"checksum substrate-wasmtime 0.13.0-threadsafe.1 (registry+https://github.com/rust-lang/crates.io-index)" = "9e512629525ecfe43bffe1f3d9e6bb0f08bf01155288ef27fcaae4ea086e4a9d"
+"checksum substrate-wasmtime-jit 0.13.0-threadsafe.1 (registry+https://github.com/rust-lang/crates.io-index)" = "a20de5564886d2bcffdd351c9cd114ceb50758aa58eac3cedb14faabf7f93b91"
+"checksum substrate-wasmtime-runtime 0.13.0-threadsafe.1 (registry+https://github.com/rust-lang/crates.io-index)" = "6d08846f04293a7fc27eeb30f06262ca2e1b4ee20f5192cec1f3ce201e08ceb8"
 "checksum subtle 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "2d67a5a62ba6e01cb2192ff309324cb4875d0c451d55fe2319433abe7a05a8ee"
 "checksum subtle 2.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "7c65d530b10ccaeac294f349038a597e435b18fb456aadd0840a623f83b9e941"
 "checksum syn 0.15.44 (registry+https://github.com/rust-lang/crates.io-index)" = "9ca4b3b69a77cbe1ffc9e198781b7acb0c7365a883670e8f1c1bc66fba79a5c5"
 "checksum syn 1.0.14 (registry+https://github.com/rust-lang/crates.io-index)" = "af6f3550d8dff9ef7dc34d384ac6f107e5d31c8f57d9f28e0081503f547ac8f5"
 "checksum syn-mid 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)" = "7be3539f6c128a931cf19dcee741c1af532c7fd387baa739c03dd2e96479338a"
 "checksum synstructure 0.12.3 (registry+https://github.com/rust-lang/crates.io-index)" = "67656ea1dc1b41b1451851562ea232ec2e5a80242139f7e679ceccfb5d61f545"
-"checksum sysinfo 0.11.7 (registry+https://github.com/rust-lang/crates.io-index)" = "e15d793f059727ad34a9245503c13b38262bb32e9906d8122ca64d6ca54b0858"
+"checksum sysinfo 0.12.0 (registry+https://github.com/rust-lang/crates.io-index)" = "7ccb41798287e8e299a701b5560d886d6ca2c3e7115e9ea2cb68c123aec339b7"
 "checksum take_mut 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "f764005d11ee5f36500a149ace24e00e3da98b0158b3e2d53a7495660d3f4d60"
 "checksum target-lexicon 0.10.0 (registry+https://github.com/rust-lang/crates.io-index)" = "ab0e7238dcc7b40a7be719a25365910f6807bd864f4cce6b2e6b873658e2b19d"
 "checksum target_info 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "c63f48baada5c52e65a29eef93ab4f8982681b67f9e8d29c7b05abcfec2b9ffe"
@@ -8441,12 +8481,9 @@ dependencies = [
 "checksum wasmi 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)" = "bf617d864d25af3587aa745529f7aaa541066c876d57e050c0d0c85c61c92aff"
 "checksum wasmi-validation 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)" = "ea78c597064ba73596099281e2f4cfc019075122a65cdda3205af94f0b264d93"
 "checksum wasmparser 0.51.2 (registry+https://github.com/rust-lang/crates.io-index)" = "a40d24f114a3f24b459ec292019220cff6388673b4a2c0a11483665b599ef15c"
-"checksum wasmtime 0.12.0 (git+https://github.com/paritytech/wasmtime?branch=a-thread-safe-api)" = "<none>"
-"checksum wasmtime-debug 0.12.0 (git+https://github.com/paritytech/wasmtime?branch=a-thread-safe-api)" = "<none>"
-"checksum wasmtime-environ 0.12.0 (git+https://github.com/paritytech/wasmtime?branch=a-thread-safe-api)" = "<none>"
-"checksum wasmtime-jit 0.12.0 (git+https://github.com/paritytech/wasmtime?branch=a-thread-safe-api)" = "<none>"
-"checksum wasmtime-profiling 0.12.0 (git+https://github.com/paritytech/wasmtime?branch=a-thread-safe-api)" = "<none>"
-"checksum wasmtime-runtime 0.12.0 (git+https://github.com/paritytech/wasmtime?branch=a-thread-safe-api)" = "<none>"
+"checksum wasmtime-debug 0.12.0 (registry+https://github.com/rust-lang/crates.io-index)" = "9d3d007436043bf55ec252d2f4dc1d35834157b5e2f148da839ca502e611cfe1"
+"checksum wasmtime-environ 0.12.0 (registry+https://github.com/rust-lang/crates.io-index)" = "80f3dea0e60c076dd0da27fa10c821323903c9554c617ed32eaab8e7a7e36c89"
+"checksum wasmtime-profiling 0.12.0 (registry+https://github.com/rust-lang/crates.io-index)" = "984d29c8add3381e60d649f4e3e2a501da900fc2d2586e139502eec32fe0ebc8"
 "checksum wast 9.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "ee7b16105405ca2aa2376ba522d8d4b1a11604941dd3bb7df9fd2ece60f8d16a"
 "checksum wat 1.0.10 (registry+https://github.com/rust-lang/crates.io-index)" = "56173f7f4fb59aebe35a7e71423845e1c6c7144bfb56362d497931b6b3bed0f6"
 "checksum web-sys 0.3.35 (registry+https://github.com/rust-lang/crates.io-index)" = "aaf97caf6aa8c2b1dac90faf0db529d9d63c93846cca4911856f78a83cebf53b"
@@ -8467,7 +8504,6 @@ dependencies = [
 "checksum x25519-dalek 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)" = "637ff90c9540fa3073bb577e65033069e4bae7c79d49d74aa3ffdf5342a53217"
 "checksum xdg 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "d089681aa106a86fade1b0128fb5daf07d5867a509ab036d99988dec80429a57"
 "checksum yamux 0.4.4 (registry+https://github.com/rust-lang/crates.io-index)" = "f03098897b734bd943ab23f6aa9f98aafd72a88516deedd66f9d564c57bf2f19"
-"checksum zeroize 0.9.3 (registry+https://github.com/rust-lang/crates.io-index)" = "45af6a010d13e4cf5b54c94ba5a2b2eba5596b9e46bf5875612d332a1f2b3f86"
 "checksum zeroize 1.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "3cbac2ed2ba24cc90f5e06485ac8c7c1e5449fe8911aef4d8877218af021a5b8"
 "checksum zeroize_derive 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "de251eec69fc7c1bc3923403d18ececb929380e016afe103da75f396704f8ca2"
 "checksum zstd 0.5.1+zstd.1.4.4 (registry+https://github.com/rust-lang/crates.io-index)" = "5c5d978b793ae64375b80baf652919b148f6a496ac8802922d9999f5a553194f"
diff --git a/polkadot/runtime/common/src/claims.rs b/polkadot/runtime/common/src/claims.rs
index c84e32df77..0169ad9166 100644
--- a/polkadot/runtime/common/src/claims.rs
+++ b/polkadot/runtime/common/src/claims.rs
@@ -141,19 +141,6 @@ decl_storage! {
 	}
 }
 
-mod migration {
-	use super::*;
-
-	pub fn migrate<T: Trait>() {
-		if let Ok(addresses) = Vec::<EthereumAddress>::decode(&mut &include_bytes!("./claims.scale")[..]) {
-			for i in &addresses {
-				Vesting::<T>::migrate_key_from_blake(i);
-				Claims::<T>::migrate_key_from_blake(i);
-			}
-		}
-	}
-}
-
 decl_module! {
 	pub struct Module<T: Trait> for enum Call where origin: T::Origin {
 		type Error = Error<T>;
@@ -164,10 +151,6 @@ decl_module! {
 		/// Deposit one of this module's events by using the default implementation.
 		fn deposit_event() = default;
 
-		fn on_runtime_upgrade() {
-			migration::migrate::<T>();
-		}
-
 		/// Make a claim to collect your DOTs.
 		///
 		/// The dispatch origin for this call must be _None_.
@@ -412,7 +395,7 @@ mod tests {
 		type Version = ();
 		type ModuleToIndex = ();
 		type AccountData = balances::AccountData<u64>;
-		type MigrateAccount = (); type OnNewAccount = ();
+		type OnNewAccount = ();
 		type OnKilledAccount = Balances;
 	}
 
diff --git a/polkadot/runtime/common/src/crowdfund.rs b/polkadot/runtime/common/src/crowdfund.rs
index dc8b284692..8e0944bde0 100644
--- a/polkadot/runtime/common/src/crowdfund.rs
+++ b/polkadot/runtime/common/src/crowdfund.rs
@@ -615,7 +615,7 @@ mod tests {
 		type Version = ();
 		type ModuleToIndex = ();
 		type AccountData = balances::AccountData<u64>;
-		type MigrateAccount = (); type OnNewAccount = ();
+		type OnNewAccount = ();
 		type OnKilledAccount = Balances;
 	}
 	parameter_types! {
diff --git a/polkadot/runtime/common/src/parachains.rs b/polkadot/runtime/common/src/parachains.rs
index 60d5f3cce0..0679c3cfef 100644
--- a/polkadot/runtime/common/src/parachains.rs
+++ b/polkadot/runtime/common/src/parachains.rs
@@ -938,7 +938,7 @@ mod tests {
 		type Version = ();
 		type ModuleToIndex = ();
 		type AccountData = balances::AccountData<u128>;
-		type MigrateAccount = (); type OnNewAccount = ();
+		type OnNewAccount = ();
 		type OnKilledAccount = ();
 	}
 
diff --git a/polkadot/runtime/common/src/registrar.rs b/polkadot/runtime/common/src/registrar.rs
index 217370292f..2bdbbc1a7f 100644
--- a/polkadot/runtime/common/src/registrar.rs
+++ b/polkadot/runtime/common/src/registrar.rs
@@ -704,7 +704,7 @@ mod tests {
 		type Version = ();
 		type ModuleToIndex = ();
 		type AccountData = balances::AccountData<u128>;
-		type MigrateAccount = (); type OnNewAccount = ();
+		type OnNewAccount = ();
 		type OnKilledAccount = Balances;
 	}
 
diff --git a/polkadot/runtime/common/src/slots.rs b/polkadot/runtime/common/src/slots.rs
index c961a0e55f..e12bff3b72 100644
--- a/polkadot/runtime/common/src/slots.rs
+++ b/polkadot/runtime/common/src/slots.rs
@@ -916,7 +916,7 @@ mod tests {
 		type Version = ();
 		type ModuleToIndex = ();
 		type AccountData = balances::AccountData<u64>;
-		type MigrateAccount = (); type OnNewAccount = ();
+		type OnNewAccount = ();
 		type OnKilledAccount = Balances;
 	}
 
diff --git a/polkadot/runtime/kusama/Cargo.toml b/polkadot/runtime/kusama/Cargo.toml
index f25eedd86e..4a70f6ea1f 100644
--- a/polkadot/runtime/kusama/Cargo.toml
+++ b/polkadot/runtime/kusama/Cargo.toml
@@ -39,7 +39,7 @@ democracy = { package = "pallet-democracy", git = "https://github.com/paritytech
 elections-phragmen = { package = "pallet-elections-phragmen", git = "https://github.com/paritytech/substrate", branch = "polkadot-master", default-features = false }
 executive = { package = "frame-executive", git = "https://github.com/paritytech/substrate", branch = "polkadot-master", default-features = false }
 finality-tracker = { package = "pallet-finality-tracker", git = "https://github.com/paritytech/substrate", branch = "polkadot-master", default-features = false }
-grandpa = { package = "pallet-grandpa", git = "https://github.com/paritytech/substrate", branch = "polkadot-master", default-features = false, features = ["migrate-authorities"] }
+grandpa = { package = "pallet-grandpa", git = "https://github.com/paritytech/substrate", branch = "polkadot-master", default-features = false }
 identity = { package = "pallet-identity", git = "https://github.com/paritytech/substrate", branch = "polkadot-master", default-features = false }
 im-online = { package = "pallet-im-online", git = "https://github.com/paritytech/substrate", branch = "polkadot-master", default-features = false }
 indices = { package = "pallet-indices", git = "https://github.com/paritytech/substrate", branch = "polkadot-master", default-features = false }
diff --git a/polkadot/runtime/kusama/src/lib.rs b/polkadot/runtime/kusama/src/lib.rs
index 93e323a30e..e1fb82c08a 100644
--- a/polkadot/runtime/kusama/src/lib.rs
+++ b/polkadot/runtime/kusama/src/lib.rs
@@ -78,7 +78,7 @@ pub const VERSION: RuntimeVersion = RuntimeVersion {
 	spec_name: create_runtime_str!("kusama"),
 	impl_name: create_runtime_str!("parity-kusama"),
 	authoring_version: 2,
-	spec_version: 1054,
+	spec_version: 1055,
 	impl_version: 1,
 	apis: RUNTIME_API_VERSIONS,
 };
@@ -138,10 +138,6 @@ impl system::Trait for Runtime {
 	type Version = Version;
 	type ModuleToIndex = ModuleToIndex;
 	type AccountData = balances::AccountData<Balance>;
-	type MigrateAccount = (
-		Balances, Identity, ElectionsPhragmen, Society, Session, Staking, Recovery, Democracy,
-		Vesting, ImOnline
-	);
 	type OnNewAccount = ();
 	type OnKilledAccount = ();
 }
diff --git a/polkadot/runtime/polkadot/Cargo.toml b/polkadot/runtime/polkadot/Cargo.toml
index 8a02d22537..e9f0abaca6 100644
--- a/polkadot/runtime/polkadot/Cargo.toml
+++ b/polkadot/runtime/polkadot/Cargo.toml
@@ -38,7 +38,7 @@ democracy = { package = "pallet-democracy", git = "https://github.com/paritytech
 elections-phragmen = { package = "pallet-elections-phragmen", git = "https://github.com/paritytech/substrate", branch = "polkadot-master", default-features = false }
 executive = { package = "frame-executive", git = "https://github.com/paritytech/substrate", branch = "polkadot-master", default-features = false }
 finality-tracker = { package = "pallet-finality-tracker", git = "https://github.com/paritytech/substrate", branch = "polkadot-master", default-features = false }
-grandpa = { package = "pallet-grandpa", git = "https://github.com/paritytech/substrate", branch = "polkadot-master", default-features = false, features = ["migrate-authorities"] }
+grandpa = { package = "pallet-grandpa", git = "https://github.com/paritytech/substrate", branch = "polkadot-master", default-features = false }
 identity = { package = "pallet-identity", git = "https://github.com/paritytech/substrate", branch = "polkadot-master", default-features = false }
 im-online = { package = "pallet-im-online", git = "https://github.com/paritytech/substrate", branch = "polkadot-master", default-features = false }
 indices = { package = "pallet-indices", git = "https://github.com/paritytech/substrate", branch = "polkadot-master", default-features = false }
diff --git a/polkadot/runtime/polkadot/src/lib.rs b/polkadot/runtime/polkadot/src/lib.rs
index 80a7e5e775..e75f123310 100644
--- a/polkadot/runtime/polkadot/src/lib.rs
+++ b/polkadot/runtime/polkadot/src/lib.rs
@@ -146,7 +146,7 @@ impl system::Trait for Runtime {
 	type Version = Version;
 	type ModuleToIndex = ModuleToIndex;
 	type AccountData = balances::AccountData<Balance>;
-	type MigrateAccount = (); type OnNewAccount = ();
+	type OnNewAccount = ();
 	type OnKilledAccount = ();
 }
 
diff --git a/polkadot/runtime/test-runtime/Cargo.toml b/polkadot/runtime/test-runtime/Cargo.toml
index 612dfe2ae9..ca7b4a7ff6 100644
--- a/polkadot/runtime/test-runtime/Cargo.toml
+++ b/polkadot/runtime/test-runtime/Cargo.toml
@@ -33,7 +33,7 @@ transaction-payment = { package = "pallet-transaction-payment", git = "https://g
 pallet-transaction-payment-rpc-runtime-api = { git = "https://github.com/paritytech/substrate", branch = "polkadot-master", default-features = false }
 executive = { package = "frame-executive", git = "https://github.com/paritytech/substrate", branch = "polkadot-master", default-features = false }
 finality-tracker = { package = "pallet-finality-tracker", git = "https://github.com/paritytech/substrate", branch = "polkadot-master", default-features = false }
-grandpa = { package = "pallet-grandpa", git = "https://github.com/paritytech/substrate", branch = "polkadot-master", default-features = false, features = ["migrate-authorities"] }
+grandpa = { package = "pallet-grandpa", git = "https://github.com/paritytech/substrate", branch = "polkadot-master", default-features = false }
 indices = { package = "pallet-indices", git = "https://github.com/paritytech/substrate", branch = "polkadot-master", default-features = false }
 nicks = { package = "pallet-nicks", git = "https://github.com/paritytech/substrate", branch = "polkadot-master", default-features = false }
 randomness-collective-flip = { package = "pallet-randomness-collective-flip", git = "https://github.com/paritytech/substrate", branch = "polkadot-master", default-features = false }
diff --git a/polkadot/runtime/test-runtime/src/lib.rs b/polkadot/runtime/test-runtime/src/lib.rs
index b8797fd1ca..a70e186024 100644
--- a/polkadot/runtime/test-runtime/src/lib.rs
+++ b/polkadot/runtime/test-runtime/src/lib.rs
@@ -133,7 +133,7 @@ impl system::Trait for Runtime {
 	type Version = Version;
 	type ModuleToIndex = ModuleToIndex;
 	type AccountData = balances::AccountData<Balance>;
-	type MigrateAccount = (); type OnNewAccount = ();
+	type OnNewAccount = ();
 	type OnKilledAccount = ();
 }