diff --git a/polkadot/Cargo.lock b/polkadot/Cargo.lock
index b420237a12..e456327378 100644
--- a/polkadot/Cargo.lock
+++ b/polkadot/Cargo.lock
@@ -669,18 +669,6 @@ dependencies = [
  "heapsize 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
-[[package]]
-name = "env_logger"
-version = "0.5.13"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "atty 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)",
- "humantime 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "regex 1.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "termcolor 1.0.4 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
 [[package]]
 name = "env_logger"
 version = "0.6.0"
@@ -2874,7 +2862,7 @@ dependencies = [
 [[package]]
 name = "sr-api-macros"
 version = "0.1.0"
-source = "git+https://github.com/paritytech/substrate#e2ebdf3a47a13d0a978949e478aff41c4f78b486"
+source = "git+https://github.com/paritytech/substrate#01bff36cbb7a800720c8d867b63736ba233d22f3"
 dependencies = [
  "blake2-rfc 0.2.18 (registry+https://github.com/rust-lang/crates.io-index)",
  "proc-macro2 0.4.26 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2885,22 +2873,24 @@ dependencies = [
 [[package]]
 name = "sr-io"
 version = "0.1.0"
-source = "git+https://github.com/paritytech/substrate#e2ebdf3a47a13d0a978949e478aff41c4f78b486"
+source = "git+https://github.com/paritytech/substrate#01bff36cbb7a800720c8d867b63736ba233d22f3"
 dependencies = [
  "environmental 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "hash-db 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libsecp256k1 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-codec 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "rustc_version 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-std 0.1.0 (git+https://github.com/paritytech/substrate)",
  "substrate-primitives 0.1.0 (git+https://github.com/paritytech/substrate)",
  "substrate-state-machine 0.1.0 (git+https://github.com/paritytech/substrate)",
  "substrate-trie 0.4.0 (git+https://github.com/paritytech/substrate)",
+ "tiny-keccak 1.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "sr-primitives"
 version = "0.1.0"
-source = "git+https://github.com/paritytech/substrate#e2ebdf3a47a13d0a978949e478aff41c4f78b486"
+source = "git+https://github.com/paritytech/substrate#01bff36cbb7a800720c8d867b63736ba233d22f3"
 dependencies = [
  "integer-sqrt 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2917,7 +2907,7 @@ dependencies = [
 [[package]]
 name = "sr-std"
 version = "0.1.0"
-source = "git+https://github.com/paritytech/substrate#e2ebdf3a47a13d0a978949e478aff41c4f78b486"
+source = "git+https://github.com/paritytech/substrate#01bff36cbb7a800720c8d867b63736ba233d22f3"
 dependencies = [
  "rustc_version 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -2925,7 +2915,7 @@ dependencies = [
 [[package]]
 name = "sr-version"
 version = "0.1.0"
-source = "git+https://github.com/paritytech/substrate#e2ebdf3a47a13d0a978949e478aff41c4f78b486"
+source = "git+https://github.com/paritytech/substrate#01bff36cbb7a800720c8d867b63736ba233d22f3"
 dependencies = [
  "impl-serde 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-codec 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2939,7 +2929,7 @@ dependencies = [
 [[package]]
 name = "srml-aura"
 version = "0.1.0"
-source = "git+https://github.com/paritytech/substrate#e2ebdf3a47a13d0a978949e478aff41c4f78b486"
+source = "git+https://github.com/paritytech/substrate#01bff36cbb7a800720c8d867b63736ba233d22f3"
 dependencies = [
  "hex-literal 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-codec 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2960,7 +2950,7 @@ dependencies = [
 [[package]]
 name = "srml-balances"
 version = "0.1.0"
-source = "git+https://github.com/paritytech/substrate#e2ebdf3a47a13d0a978949e478aff41c4f78b486"
+source = "git+https://github.com/paritytech/substrate#01bff36cbb7a800720c8d867b63736ba233d22f3"
 dependencies = [
  "hex-literal 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-codec 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2979,7 +2969,7 @@ dependencies = [
 [[package]]
 name = "srml-consensus"
 version = "0.1.0"
-source = "git+https://github.com/paritytech/substrate#e2ebdf3a47a13d0a978949e478aff41c4f78b486"
+source = "git+https://github.com/paritytech/substrate#01bff36cbb7a800720c8d867b63736ba233d22f3"
 dependencies = [
  "hex-literal 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-codec 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2997,7 +2987,7 @@ dependencies = [
 [[package]]
 name = "srml-council"
 version = "0.1.0"
-source = "git+https://github.com/paritytech/substrate#e2ebdf3a47a13d0a978949e478aff41c4f78b486"
+source = "git+https://github.com/paritytech/substrate#01bff36cbb7a800720c8d867b63736ba233d22f3"
 dependencies = [
  "hex-literal 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-codec 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -3017,7 +3007,7 @@ dependencies = [
 [[package]]
 name = "srml-democracy"
 version = "0.1.0"
-source = "git+https://github.com/paritytech/substrate#e2ebdf3a47a13d0a978949e478aff41c4f78b486"
+source = "git+https://github.com/paritytech/substrate#01bff36cbb7a800720c8d867b63736ba233d22f3"
 dependencies = [
  "hex-literal 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-codec 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -3036,7 +3026,7 @@ dependencies = [
 [[package]]
 name = "srml-executive"
 version = "0.1.0"
-source = "git+https://github.com/paritytech/substrate#e2ebdf3a47a13d0a978949e478aff41c4f78b486"
+source = "git+https://github.com/paritytech/substrate#01bff36cbb7a800720c8d867b63736ba233d22f3"
 dependencies = [
  "hex-literal 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-codec 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -3052,7 +3042,7 @@ dependencies = [
 [[package]]
 name = "srml-grandpa"
 version = "0.1.0"
-source = "git+https://github.com/paritytech/substrate#e2ebdf3a47a13d0a978949e478aff41c4f78b486"
+source = "git+https://github.com/paritytech/substrate#01bff36cbb7a800720c8d867b63736ba233d22f3"
 dependencies = [
  "hex-literal 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-codec 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -3072,7 +3062,7 @@ dependencies = [
 [[package]]
 name = "srml-indices"
 version = "0.1.0"
-source = "git+https://github.com/paritytech/substrate#e2ebdf3a47a13d0a978949e478aff41c4f78b486"
+source = "git+https://github.com/paritytech/substrate#01bff36cbb7a800720c8d867b63736ba233d22f3"
 dependencies = [
  "hex-literal 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-codec 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -3091,7 +3081,7 @@ dependencies = [
 [[package]]
 name = "srml-metadata"
 version = "0.1.0"
-source = "git+https://github.com/paritytech/substrate#e2ebdf3a47a13d0a978949e478aff41c4f78b486"
+source = "git+https://github.com/paritytech/substrate#01bff36cbb7a800720c8d867b63736ba233d22f3"
 dependencies = [
  "parity-codec 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-codec-derive 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -3104,7 +3094,7 @@ dependencies = [
 [[package]]
 name = "srml-session"
 version = "0.1.0"
-source = "git+https://github.com/paritytech/substrate#e2ebdf3a47a13d0a978949e478aff41c4f78b486"
+source = "git+https://github.com/paritytech/substrate#01bff36cbb7a800720c8d867b63736ba233d22f3"
 dependencies = [
  "hex-literal 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-codec 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -3124,7 +3114,7 @@ dependencies = [
 [[package]]
 name = "srml-staking"
 version = "0.1.0"
-source = "git+https://github.com/paritytech/substrate#e2ebdf3a47a13d0a978949e478aff41c4f78b486"
+source = "git+https://github.com/paritytech/substrate#01bff36cbb7a800720c8d867b63736ba233d22f3"
 dependencies = [
  "hex-literal 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-codec 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -3147,7 +3137,7 @@ dependencies = [
 [[package]]
 name = "srml-sudo"
 version = "0.1.0"
-source = "git+https://github.com/paritytech/substrate#e2ebdf3a47a13d0a978949e478aff41c4f78b486"
+source = "git+https://github.com/paritytech/substrate#01bff36cbb7a800720c8d867b63736ba233d22f3"
 dependencies = [
  "hex-literal 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-codec 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -3165,7 +3155,7 @@ dependencies = [
 [[package]]
 name = "srml-support"
 version = "0.1.0"
-source = "git+https://github.com/paritytech/substrate#e2ebdf3a47a13d0a978949e478aff41c4f78b486"
+source = "git+https://github.com/paritytech/substrate#01bff36cbb7a800720c8d867b63736ba233d22f3"
 dependencies = [
  "hex-literal 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "mashup 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -3184,7 +3174,7 @@ dependencies = [
 [[package]]
 name = "srml-support-procedural"
 version = "0.1.0"
-source = "git+https://github.com/paritytech/substrate#e2ebdf3a47a13d0a978949e478aff41c4f78b486"
+source = "git+https://github.com/paritytech/substrate#01bff36cbb7a800720c8d867b63736ba233d22f3"
 dependencies = [
  "proc-macro2 0.4.26 (registry+https://github.com/rust-lang/crates.io-index)",
  "quote 0.6.11 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -3196,7 +3186,7 @@ dependencies = [
 [[package]]
 name = "srml-support-procedural-tools"
 version = "0.1.0"
-source = "git+https://github.com/paritytech/substrate#e2ebdf3a47a13d0a978949e478aff41c4f78b486"
+source = "git+https://github.com/paritytech/substrate#01bff36cbb7a800720c8d867b63736ba233d22f3"
 dependencies = [
  "proc-macro2 0.4.26 (registry+https://github.com/rust-lang/crates.io-index)",
  "quote 0.6.11 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -3207,7 +3197,7 @@ dependencies = [
 [[package]]
 name = "srml-support-procedural-tools-derive"
 version = "0.1.0"
-source = "git+https://github.com/paritytech/substrate#e2ebdf3a47a13d0a978949e478aff41c4f78b486"
+source = "git+https://github.com/paritytech/substrate#01bff36cbb7a800720c8d867b63736ba233d22f3"
 dependencies = [
  "proc-macro2 0.4.26 (registry+https://github.com/rust-lang/crates.io-index)",
  "quote 0.6.11 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -3217,7 +3207,7 @@ dependencies = [
 [[package]]
 name = "srml-system"
 version = "0.1.0"
-source = "git+https://github.com/paritytech/substrate#e2ebdf3a47a13d0a978949e478aff41c4f78b486"
+source = "git+https://github.com/paritytech/substrate#01bff36cbb7a800720c8d867b63736ba233d22f3"
 dependencies = [
  "hex-literal 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-codec 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -3234,7 +3224,7 @@ dependencies = [
 [[package]]
 name = "srml-timestamp"
 version = "0.1.0"
-source = "git+https://github.com/paritytech/substrate#e2ebdf3a47a13d0a978949e478aff41c4f78b486"
+source = "git+https://github.com/paritytech/substrate#01bff36cbb7a800720c8d867b63736ba233d22f3"
 dependencies = [
  "hex-literal 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-codec 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -3253,7 +3243,7 @@ dependencies = [
 [[package]]
 name = "srml-treasury"
 version = "0.1.0"
-source = "git+https://github.com/paritytech/substrate#e2ebdf3a47a13d0a978949e478aff41c4f78b486"
+source = "git+https://github.com/paritytech/substrate#01bff36cbb7a800720c8d867b63736ba233d22f3"
 dependencies = [
  "hex-literal 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-codec 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -3271,7 +3261,7 @@ dependencies = [
 [[package]]
 name = "srml-upgrade-key"
 version = "0.1.0"
-source = "git+https://github.com/paritytech/substrate#e2ebdf3a47a13d0a978949e478aff41c4f78b486"
+source = "git+https://github.com/paritytech/substrate#01bff36cbb7a800720c8d867b63736ba233d22f3"
 dependencies = [
  "hex-literal 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-codec 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -3382,14 +3372,14 @@ dependencies = [
 [[package]]
 name = "substrate-cli"
 version = "0.3.0"
-source = "git+https://github.com/paritytech/substrate#e2ebdf3a47a13d0a978949e478aff41c4f78b486"
+source = "git+https://github.com/paritytech/substrate#01bff36cbb7a800720c8d867b63736ba233d22f3"
 dependencies = [
  "ansi_term 0.11.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "app_dirs 1.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "atty 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)",
  "backtrace 0.3.13 (registry+https://github.com/rust-lang/crates.io-index)",
  "clap 2.32.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "env_logger 0.5.13 (registry+https://github.com/rust-lang/crates.io-index)",
+ "env_logger 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "error-chain 0.12.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "exit-future 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "fdlimit 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -3414,7 +3404,7 @@ dependencies = [
 [[package]]
 name = "substrate-client"
 version = "0.1.0"
-source = "git+https://github.com/paritytech/substrate#e2ebdf3a47a13d0a978949e478aff41c4f78b486"
+source = "git+https://github.com/paritytech/substrate#01bff36cbb7a800720c8d867b63736ba233d22f3"
 dependencies = [
  "error-chain 0.12.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "fnv 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -3444,7 +3434,7 @@ dependencies = [
 [[package]]
 name = "substrate-client-db"
 version = "0.1.0"
-source = "git+https://github.com/paritytech/substrate#e2ebdf3a47a13d0a978949e478aff41c4f78b486"
+source = "git+https://github.com/paritytech/substrate#01bff36cbb7a800720c8d867b63736ba233d22f3"
 dependencies = [
  "hash-db 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "kvdb 0.1.0 (git+https://github.com/paritytech/parity-common?rev=b0317f649ab2c665b7987b8475878fc4d2e1f81d)",
@@ -3466,11 +3456,11 @@ dependencies = [
 [[package]]
 name = "substrate-consensus-aura"
 version = "0.1.0"
-source = "git+https://github.com/paritytech/substrate#e2ebdf3a47a13d0a978949e478aff41c4f78b486"
+source = "git+https://github.com/paritytech/substrate#01bff36cbb7a800720c8d867b63736ba233d22f3"
 dependencies = [
  "error-chain 0.12.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures 0.1.25 (registry+https://github.com/rust-lang/crates.io-index)",
- "log 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)",
+ "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-codec 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "parking_lot 0.7.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-io 0.1.0 (git+https://github.com/paritytech/substrate)",
@@ -3490,7 +3480,7 @@ dependencies = [
 [[package]]
 name = "substrate-consensus-aura-primitives"
 version = "0.1.0"
-source = "git+https://github.com/paritytech/substrate#e2ebdf3a47a13d0a978949e478aff41c4f78b486"
+source = "git+https://github.com/paritytech/substrate#01bff36cbb7a800720c8d867b63736ba233d22f3"
 dependencies = [
  "parity-codec 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-io 0.1.0 (git+https://github.com/paritytech/substrate)",
@@ -3504,7 +3494,7 @@ dependencies = [
 [[package]]
 name = "substrate-consensus-common"
 version = "0.1.0"
-source = "git+https://github.com/paritytech/substrate#e2ebdf3a47a13d0a978949e478aff41c4f78b486"
+source = "git+https://github.com/paritytech/substrate#01bff36cbb7a800720c8d867b63736ba233d22f3"
 dependencies = [
  "error-chain 0.12.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures 0.1.25 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -3522,12 +3512,13 @@ dependencies = [
 [[package]]
 name = "substrate-executor"
 version = "0.1.0"
-source = "git+https://github.com/paritytech/substrate#e2ebdf3a47a13d0a978949e478aff41c4f78b486"
+source = "git+https://github.com/paritytech/substrate#01bff36cbb7a800720c8d867b63736ba233d22f3"
 dependencies = [
  "byteorder 1.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "error-chain 0.12.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "fnv 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "lazy_static 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libsecp256k1 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-codec 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "parking_lot 0.7.1 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -3539,13 +3530,14 @@ dependencies = [
  "substrate-serializer 0.1.0 (git+https://github.com/paritytech/substrate)",
  "substrate-state-machine 0.1.0 (git+https://github.com/paritytech/substrate)",
  "substrate-trie 0.4.0 (git+https://github.com/paritytech/substrate)",
+ "tiny-keccak 1.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "wasmi 0.4.3 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "substrate-finality-grandpa"
 version = "0.1.0"
-source = "git+https://github.com/paritytech/substrate#e2ebdf3a47a13d0a978949e478aff41c4f78b486"
+source = "git+https://github.com/paritytech/substrate#01bff36cbb7a800720c8d867b63736ba233d22f3"
 dependencies = [
  "finality-grandpa 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures 0.1.25 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -3567,7 +3559,7 @@ dependencies = [
 [[package]]
 name = "substrate-finality-grandpa-primitives"
 version = "0.1.0"
-source = "git+https://github.com/paritytech/substrate#e2ebdf3a47a13d0a978949e478aff41c4f78b486"
+source = "git+https://github.com/paritytech/substrate#01bff36cbb7a800720c8d867b63736ba233d22f3"
 dependencies = [
  "parity-codec 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-codec-derive 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -3580,7 +3572,7 @@ dependencies = [
 [[package]]
 name = "substrate-inherents"
 version = "0.1.0"
-source = "git+https://github.com/paritytech/substrate#e2ebdf3a47a13d0a978949e478aff41c4f78b486"
+source = "git+https://github.com/paritytech/substrate#01bff36cbb7a800720c8d867b63736ba233d22f3"
 dependencies = [
  "parity-codec 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-codec-derive 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -3592,7 +3584,7 @@ dependencies = [
 [[package]]
 name = "substrate-keyring"
 version = "0.1.0"
-source = "git+https://github.com/paritytech/substrate#e2ebdf3a47a13d0a978949e478aff41c4f78b486"
+source = "git+https://github.com/paritytech/substrate#01bff36cbb7a800720c8d867b63736ba233d22f3"
 dependencies = [
  "hex-literal 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "lazy_static 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -3602,12 +3594,12 @@ dependencies = [
 [[package]]
 name = "substrate-keystore"
 version = "0.1.0"
-source = "git+https://github.com/paritytech/substrate#e2ebdf3a47a13d0a978949e478aff41c4f78b486"
+source = "git+https://github.com/paritytech/substrate#01bff36cbb7a800720c8d867b63736ba233d22f3"
 dependencies = [
  "error-chain 0.12.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "hex 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-crypto 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "rand 0.4.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rand 0.6.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde 1.0.85 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_derive 1.0.85 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_json 1.0.37 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -3618,7 +3610,7 @@ dependencies = [
 [[package]]
 name = "substrate-network"
 version = "0.1.0"
-source = "git+https://github.com/paritytech/substrate#e2ebdf3a47a13d0a978949e478aff41c4f78b486"
+source = "git+https://github.com/paritytech/substrate#01bff36cbb7a800720c8d867b63736ba233d22f3"
 dependencies = [
  "bitflags 1.0.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "error-chain 0.12.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -3628,8 +3620,8 @@ dependencies = [
  "parity-codec 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-codec-derive 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "parking_lot 0.7.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "rand 0.5.5 (registry+https://github.com/rust-lang/crates.io-index)",
- "rustc-hex 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rand 0.6.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rustc-hex 2.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-primitives 0.1.0 (git+https://github.com/paritytech/substrate)",
  "substrate-client 0.1.0 (git+https://github.com/paritytech/substrate)",
  "substrate-consensus-common 0.1.0 (git+https://github.com/paritytech/substrate)",
@@ -3641,7 +3633,7 @@ dependencies = [
 [[package]]
 name = "substrate-network-libp2p"
 version = "0.1.0"
-source = "git+https://github.com/paritytech/substrate#e2ebdf3a47a13d0a978949e478aff41c4f78b486"
+source = "git+https://github.com/paritytech/substrate#01bff36cbb7a800720c8d867b63736ba233d22f3"
 dependencies = [
  "bytes 0.4.11 (registry+https://github.com/rust-lang/crates.io-index)",
  "error-chain 0.12.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -3651,7 +3643,7 @@ dependencies = [
  "libp2p 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "parking_lot 0.7.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "rand 0.5.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rand 0.6.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde 1.0.85 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_derive 1.0.85 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_json 1.0.37 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -3666,7 +3658,7 @@ dependencies = [
 [[package]]
 name = "substrate-primitives"
 version = "0.1.0"
-source = "git+https://github.com/paritytech/substrate#e2ebdf3a47a13d0a978949e478aff41c4f78b486"
+source = "git+https://github.com/paritytech/substrate#01bff36cbb7a800720c8d867b63736ba233d22f3"
 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)",
@@ -3691,7 +3683,7 @@ dependencies = [
 [[package]]
 name = "substrate-rpc"
 version = "0.1.0"
-source = "git+https://github.com/paritytech/substrate#e2ebdf3a47a13d0a978949e478aff41c4f78b486"
+source = "git+https://github.com/paritytech/substrate#01bff36cbb7a800720c8d867b63736ba233d22f3"
 dependencies = [
  "error-chain 0.12.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "jsonrpc-core 9.0.0 (git+https://github.com/paritytech/jsonrpc.git)",
@@ -3716,7 +3708,7 @@ dependencies = [
 [[package]]
 name = "substrate-rpc-servers"
 version = "0.1.0"
-source = "git+https://github.com/paritytech/substrate#e2ebdf3a47a13d0a978949e478aff41c4f78b486"
+source = "git+https://github.com/paritytech/substrate#01bff36cbb7a800720c8d867b63736ba233d22f3"
 dependencies = [
  "jsonrpc-http-server 9.0.0 (git+https://github.com/paritytech/jsonrpc.git)",
  "jsonrpc-pubsub 9.0.0 (git+https://github.com/paritytech/jsonrpc.git)",
@@ -3730,7 +3722,7 @@ dependencies = [
 [[package]]
 name = "substrate-serializer"
 version = "0.1.0"
-source = "git+https://github.com/paritytech/substrate#e2ebdf3a47a13d0a978949e478aff41c4f78b486"
+source = "git+https://github.com/paritytech/substrate#01bff36cbb7a800720c8d867b63736ba233d22f3"
 dependencies = [
  "serde 1.0.85 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_json 1.0.37 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -3739,7 +3731,7 @@ dependencies = [
 [[package]]
 name = "substrate-service"
 version = "0.3.0"
-source = "git+https://github.com/paritytech/substrate#e2ebdf3a47a13d0a978949e478aff41c4f78b486"
+source = "git+https://github.com/paritytech/substrate#01bff36cbb7a800720c8d867b63736ba233d22f3"
 dependencies = [
  "error-chain 0.12.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "exit-future 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -3771,7 +3763,7 @@ dependencies = [
 [[package]]
 name = "substrate-state-db"
 version = "0.1.0"
-source = "git+https://github.com/paritytech/substrate#e2ebdf3a47a13d0a978949e478aff41c4f78b486"
+source = "git+https://github.com/paritytech/substrate#01bff36cbb7a800720c8d867b63736ba233d22f3"
 dependencies = [
  "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-codec 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -3783,7 +3775,7 @@ dependencies = [
 [[package]]
 name = "substrate-state-machine"
 version = "0.1.0"
-source = "git+https://github.com/paritytech/substrate#e2ebdf3a47a13d0a978949e478aff41c4f78b486"
+source = "git+https://github.com/paritytech/substrate#01bff36cbb7a800720c8d867b63736ba233d22f3"
 dependencies = [
  "hash-db 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "heapsize 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -3800,7 +3792,7 @@ dependencies = [
 [[package]]
 name = "substrate-telemetry"
 version = "0.3.0"
-source = "git+https://github.com/paritytech/substrate#e2ebdf3a47a13d0a978949e478aff41c4f78b486"
+source = "git+https://github.com/paritytech/substrate#01bff36cbb7a800720c8d867b63736ba233d22f3"
 dependencies = [
  "lazy_static 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -3815,7 +3807,7 @@ dependencies = [
 [[package]]
 name = "substrate-transaction-graph"
 version = "0.1.0"
-source = "git+https://github.com/paritytech/substrate#e2ebdf3a47a13d0a978949e478aff41c4f78b486"
+source = "git+https://github.com/paritytech/substrate#01bff36cbb7a800720c8d867b63736ba233d22f3"
 dependencies = [
  "error-chain 0.12.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures 0.1.25 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -3829,7 +3821,7 @@ dependencies = [
 [[package]]
 name = "substrate-transaction-pool"
 version = "0.1.0"
-source = "git+https://github.com/paritytech/substrate#e2ebdf3a47a13d0a978949e478aff41c4f78b486"
+source = "git+https://github.com/paritytech/substrate#01bff36cbb7a800720c8d867b63736ba233d22f3"
 dependencies = [
  "error-chain 0.12.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures 0.1.25 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -3845,7 +3837,7 @@ dependencies = [
 [[package]]
 name = "substrate-trie"
 version = "0.4.0"
-source = "git+https://github.com/paritytech/substrate#e2ebdf3a47a13d0a978949e478aff41c4f78b486"
+source = "git+https://github.com/paritytech/substrate#01bff36cbb7a800720c8d867b63736ba233d22f3"
 dependencies = [
  "hash-db 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "memory-db 0.9.1 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -4591,7 +4583,6 @@ dependencies = [
 "checksum ed25519-dalek 0.8.1 (registry+https://github.com/rust-lang/crates.io-index)" = "cd66d8a16ef71c23cf5eeb2140d8d3cd293457c6c7fd6804b593397a933fcf1e"
 "checksum either 1.5.0 (registry+https://github.com/rust-lang/crates.io-index)" = "3be565ca5c557d7f59e7cfcf1844f9e3033650c929c6566f511e8005f205c1d0"
 "checksum elastic-array 0.10.0 (registry+https://github.com/rust-lang/crates.io-index)" = "88d4851b005ef16de812ea9acdb7bece2f0a40dd86c07b85631d7dafa54537bb"
-"checksum env_logger 0.5.13 (registry+https://github.com/rust-lang/crates.io-index)" = "15b0a4d2e39f8420210be8b27eeda28029729e2fd4291019455016c348240c38"
 "checksum env_logger 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)" = "afb070faf94c85d17d50ca44f6ad076bce18ae92f0037d350947240a36e9d42e"
 "checksum environmental 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "db746025e3ea695bfa0ae744dbacd5fcfc8db51b9760cf8bd0ab69708bb93c49"
 "checksum error-chain 0.12.0 (registry+https://github.com/rust-lang/crates.io-index)" = "07e791d3be96241c77c43846b665ef1384606da2cd2a48730abe606a12906e02"
diff --git a/polkadot/runtime/Cargo.toml b/polkadot/runtime/Cargo.toml
index 4d90d41582..457aff4702 100644
--- a/polkadot/runtime/Cargo.toml
+++ b/polkadot/runtime/Cargo.toml
@@ -38,11 +38,11 @@ srml-timestamp = { git = "https://github.com/paritytech/substrate", default-feat
 srml-treasury = { git = "https://github.com/paritytech/substrate", default-features = false }
 srml-upgrade-key = { git = "https://github.com/paritytech/substrate", default-features = false }
 sr-version = { git = "https://github.com/paritytech/substrate", default-features = false }
-libsecp256k1 = "0.2.1"
-tiny-keccak = "1.4.2"
 
 [dev-dependencies]
 hex-literal = "0.1.0"
+libsecp256k1 = "0.2.1"
+tiny-keccak = "1.4.2"
 substrate-keyring = { git = "https://github.com/paritytech/substrate" }
 
 [features]
diff --git a/polkadot/runtime/src/claims.rs b/polkadot/runtime/src/claims.rs
index 08aea08a30..41e09b12fd 100644
--- a/polkadot/runtime/src/claims.rs
+++ b/polkadot/runtime/src/claims.rs
@@ -17,8 +17,7 @@
 //! Module to process claims from Ethereum addresses.
 
 use rstd::prelude::*;
-use tiny_keccak::keccak256;
-use secp256k1;
+use sr_io::{keccak_256, secp256k1_ecdsa_recover};
 use srml_support::{StorageValue, StorageMap};
 use system::ensure_signed;
 use codec::Encode;
@@ -33,7 +32,28 @@ pub trait Trait: balances::Trait {
 }
 
 type EthereumAddress = [u8; 20];
-type EcdsaSignature = ([u8; 32], [u8; 32], i8);
+
+// This is a bit of a workaround until codec supports [u8; 65] directly.
+#[derive(Encode, Decode, Clone, PartialEq)]
+#[cfg_attr(feature = "std", derive(Debug))]
+pub struct EcdsaSignature([u8; 32], [u8; 32], i8);
+
+impl EcdsaSignature {
+	pub fn to_blob(&self) -> [u8; 65] {
+		let mut r = [0u8; 65];
+		r[0..32].copy_from_slice(&self.0[..]);
+		r[32..64].copy_from_slice(&self.1[..]);
+		r[64] = self.2 as u8;
+		r
+	}
+	pub fn from_blob(blob: &[u8; 65]) -> Self {
+		let mut r = Self([0u8; 32], [0u8; 32], 0);
+		r.0[..].copy_from_slice(&blob[0..32]);
+		r.1[..].copy_from_slice(&blob[32..64]);
+		r.2 = blob[64] as i8;
+		r
+	}
+}
 
 /// An event in this module.
 decl_event!(
@@ -63,18 +83,10 @@ decl_storage! {
 	}
 }
 
-fn ecdsa_recover(sig: &EcdsaSignature, msg: &[u8; 32]) -> Option<[u8; 64]> {
-	let v = secp256k1::RecoveryId::parse(if sig.2 > 26 { sig.2 - 27 } else { sig.2 } as u8).ok()?;
-	let rs = (sig.0, sig.1).using_encoded(secp256k1::Signature::parse_slice).ok()?;
-	let pubkey = secp256k1::recover(&secp256k1::Message::parse(msg), &rs, &v).ok()?;
-	let mut res = [0u8; 64];
-	res.copy_from_slice(&pubkey.serialize()[1..65]);
-	Some(res)
-}
-
-fn create_msg(who: &[u8]) -> Vec<u8> {
+// Constructs the message that Ethereum RPC's `personal_sign` and `eth_sign` would sign.
+fn ethereum_signable_message(what: &[u8]) -> Vec<u8> {
 	let prefix = b"Pay DOTs to the Polkadot account:";
-	let mut l = prefix.len() + who.len();
+	let mut l = prefix.len() + what.len();
 	let mut rev = Vec::new();
 	while l > 0 {
 		rev.push(b'0' + (l % 10) as u8);
@@ -83,14 +95,16 @@ fn create_msg(who: &[u8]) -> Vec<u8> {
 	let mut v = b"\x19Ethereum Signed Message:\n".to_vec();
 	v.extend(rev.into_iter().rev());
 	v.extend_from_slice(&prefix[..]);
-	v.extend_from_slice(who);
+	v.extend_from_slice(what);
 	v
 }
 
-fn eth_recover(s: &EcdsaSignature, who: &[u8]) -> Option<EthereumAddress> {
-	let msg = keccak256(&create_msg(who));
+// Attempts to recover the Ethereum address from a message signature signed by using
+// the Ethereum RPC's `personal_sign` and `eth_sign`.
+fn eth_recover(s: &EcdsaSignature, what: &[u8]) -> Option<EthereumAddress> {
+	let msg = keccak_256(&ethereum_signable_message(what));
 	let mut res = EthereumAddress::default();
-	res.copy_from_slice(&keccak256(&ecdsa_recover(s, &msg)?[..])[12..]);
+	res.copy_from_slice(&keccak_256(&secp256k1_ecdsa_recover(&s.to_blob(), &msg).ok()?[..])[12..]);
 	Some(res)
 }
 
@@ -132,7 +146,7 @@ mod tests {
 	use super::*;
 
 	use sr_io::{self as runtime_io, with_externalities};
-	use substrate_primitives::{H256, Blake2Hasher, hexdisplay::HexDisplay};
+	use substrate_primitives::{H256, Blake2Hasher};
 	use codec::{Decode, Encode};
 	// The testing primitives are very useful for avoiding having to work with signatures
 	// or public keys. `u64` is used as the `AccountId` and no `Signature`s are requried.
@@ -187,28 +201,20 @@ mod tests {
 		res.copy_from_slice(&keccak256(&alice_public().serialize()[1..65])[12..]);
 		res
 	}
-	fn alice_sig(who: &[u8]) -> EcdsaSignature {
-		let msg = keccak256(&create_msg(who));
+	fn alice_sig(what: &[u8]) -> EcdsaSignature {
+		let msg = keccak256(&ethereum_signable_message(what));
 		let (sig, recovery_id) = secp256k1::sign(&secp256k1::Message::parse(&msg), &alice_secret()).unwrap();
 		let sig: ([u8; 32], [u8; 32]) = Decode::decode(&mut &sig.serialize()[..]).unwrap();
-		(sig.0, sig.1, recovery_id.serialize() as i8)
+		EcdsaSignature(sig.0, sig.1, recovery_id.serialize() as i8)
 	}
 	fn bob_secret() -> secp256k1::SecretKey {
 		secp256k1::SecretKey::parse(&keccak256(b"Bob")).unwrap()
 	}
-	fn bob_public() -> secp256k1::PublicKey {
-		secp256k1::PublicKey::from_secret_key(&bob_secret())
-	}
-	fn bob_eth() -> EthereumAddress {
-		let mut res = EthereumAddress::default();
-		res.copy_from_slice(&keccak256(&bob_public().serialize()[1..65])[12..]);
-		res
-	}
-	fn bob_sig(who: &[u8]) -> EcdsaSignature {
-		let msg = keccak256(&create_msg(who));
+	fn bob_sig(what: &[u8]) -> EcdsaSignature {
+		let msg = keccak256(&ethereum_signable_message(what));
 		let (sig, recovery_id) = secp256k1::sign(&secp256k1::Message::parse(&msg), &bob_secret()).unwrap();
 		let sig: ([u8; 32], [u8; 32]) = Decode::decode(&mut &sig.serialize()[..]).unwrap();
-		(sig.0, sig.1, recovery_id.serialize() as i8)
+		EcdsaSignature(sig.0, sig.1, recovery_id.serialize() as i8)
 	}
 
 	// This function basically just builds a genesis storage key/value store according to
@@ -269,9 +275,8 @@ mod tests {
 	#[test]
 	fn real_eth_sig_works() {
 		let sig = hex!["7505f2880114da51b3f5d535f8687953c0ab9af4ab81e592eaebebf53b728d2b6dfd9b5bcd70fee412b1f31360e7c2774009305cb84fc50c1d0ff8034dfa5fff1c"];
-		let sig = EcdsaSignature::decode(&mut &sig[..]).unwrap();
+		let sig = EcdsaSignature::from_blob(&sig);
 		let who = 42u64.encode();
-		let msg = create_msg(&who);
 		let signer = eth_recover(&sig, &who).unwrap();
 		assert_eq!(signer, hex!["DF67EC7EAe23D2459694685257b6FC59d1BAA1FE"]);
 	}
diff --git a/polkadot/runtime/src/lib.rs b/polkadot/runtime/src/lib.rs
index c9c0f1b116..c08fd741b0 100644
--- a/polkadot/runtime/src/lib.rs
+++ b/polkadot/runtime/src/lib.rs
@@ -23,13 +23,15 @@
 #[cfg(test)]
 #[macro_use]
 extern crate hex_literal;
+#[cfg(test)]
+extern crate secp256k1;
+#[cfg(test)]
+extern crate tiny_keccak;
+
 
 #[macro_use]
 extern crate bitvec;
 
-extern crate tiny_keccak;
-extern crate secp256k1;
-
 #[macro_use]
 extern crate parity_codec_derive;
 extern crate parity_codec as codec;
@@ -41,7 +43,6 @@ extern crate substrate_inherents as inherents;
 extern crate substrate_client as client;
 
 extern crate sr_std as rstd;
-#[cfg(test)]
 extern crate sr_io;
 extern crate sr_version as version;
 #[macro_use]
@@ -111,7 +112,7 @@ pub const VERSION: RuntimeVersion = RuntimeVersion {
 	spec_name: create_runtime_str!("polkadot"),
 	impl_name: create_runtime_str!("parity-polkadot"),
 	authoring_version: 1,
-	spec_version: 105,
+	spec_version: 106,
 	impl_version: 0,
 	apis: RUNTIME_API_VERSIONS,
 };
diff --git a/polkadot/runtime/wasm/Cargo.lock b/polkadot/runtime/wasm/Cargo.lock
index 17c0f21f56..8b4b041df2 100644
--- a/polkadot/runtime/wasm/Cargo.lock
+++ b/polkadot/runtime/wasm/Cargo.lock
@@ -240,7 +240,7 @@ dependencies = [
  "byteorder 1.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "heapsize 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "libc 0.2.48 (registry+https://github.com/rust-lang/crates.io-index)",
- "rand 0.5.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rand 0.5.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "rustc-hex 2.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "static_assertions 0.2.5 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -263,6 +263,11 @@ name = "foreign-types-shared"
 version = "0.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
+[[package]]
+name = "fuchsia-cprng"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
 [[package]]
 name = "fuchsia-zircon"
 version = "0.3.3"
@@ -378,7 +383,7 @@ version = "0.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "rustc-hex 2.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.85 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.80 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -441,7 +446,7 @@ dependencies = [
  "arrayref 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "digest 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "hmac-drbg 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "rand 0.4.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rand 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "sha2 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "typenum 1.10.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -647,7 +652,7 @@ version = "2.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "arrayvec 0.4.10 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.85 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.80 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -705,7 +710,7 @@ version = "0.1.0"
 dependencies = [
  "parity-codec 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-codec-derive 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.85 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.80 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_derive 1.0.85 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-primitives 0.1.0 (git+https://github.com/paritytech/substrate)",
  "sr-std 0.1.0 (git+https://github.com/paritytech/substrate)",
@@ -719,14 +724,13 @@ name = "polkadot-runtime"
 version = "0.1.0"
 dependencies = [
  "bitvec 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "libsecp256k1 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-codec 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-codec-derive 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "polkadot-primitives 0.1.0",
  "rustc-hex 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "safe-mix 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.85 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.80 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_derive 1.0.85 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-io 0.1.0 (git+https://github.com/paritytech/substrate)",
  "sr-primitives 0.1.0 (git+https://github.com/paritytech/substrate)",
@@ -753,7 +757,6 @@ dependencies = [
  "substrate-inherents 0.1.0 (git+https://github.com/paritytech/substrate)",
  "substrate-primitives 0.1.0 (git+https://github.com/paritytech/substrate)",
  "substrate-serializer 0.1.0 (git+https://github.com/paritytech/substrate)",
- "tiny-keccak 1.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -805,10 +808,10 @@ dependencies = [
 
 [[package]]
 name = "rand"
-version = "0.4.5"
+version = "0.4.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "fuchsia-zircon 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "fuchsia-cprng 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "libc 0.2.48 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand_core 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "rdrand 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -817,13 +820,13 @@ dependencies = [
 
 [[package]]
 name = "rand"
-version = "0.5.5"
+version = "0.5.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "cloudabi 0.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "fuchsia-zircon 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "fuchsia-cprng 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "libc 0.2.48 (registry+https://github.com/rust-lang/crates.io-index)",
- "rand_core 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rand_core 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "winapi 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -853,14 +856,6 @@ dependencies = [
  "rand_core 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
-[[package]]
-name = "rand_core"
-version = "0.2.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "rand_core 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
 [[package]]
 name = "rand_core"
 version = "0.3.1"
@@ -1000,7 +995,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "serde"
-version = "1.0.85"
+version = "1.0.80"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
@@ -1020,7 +1015,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "itoa 0.4.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "ryu 0.2.7 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.85 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.80 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1066,7 +1061,7 @@ version = "2.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "chrono 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.85 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.80 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_json 1.0.37 (registry+https://github.com/rust-lang/crates.io-index)",
  "slog 2.4.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -1092,7 +1087,7 @@ dependencies = [
 [[package]]
 name = "sr-api-macros"
 version = "0.1.0"
-source = "git+https://github.com/paritytech/substrate#e2ebdf3a47a13d0a978949e478aff41c4f78b486"
+source = "git+https://github.com/paritytech/substrate#01bff36cbb7a800720c8d867b63736ba233d22f3"
 dependencies = [
  "blake2-rfc 0.2.18 (registry+https://github.com/rust-lang/crates.io-index)",
  "proc-macro2 0.4.26 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1103,29 +1098,31 @@ dependencies = [
 [[package]]
 name = "sr-io"
 version = "0.1.0"
-source = "git+https://github.com/paritytech/substrate#e2ebdf3a47a13d0a978949e478aff41c4f78b486"
+source = "git+https://github.com/paritytech/substrate#01bff36cbb7a800720c8d867b63736ba233d22f3"
 dependencies = [
  "environmental 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "hash-db 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libsecp256k1 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-codec 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "rustc_version 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-std 0.1.0 (git+https://github.com/paritytech/substrate)",
  "substrate-primitives 0.1.0 (git+https://github.com/paritytech/substrate)",
  "substrate-state-machine 0.1.0 (git+https://github.com/paritytech/substrate)",
  "substrate-trie 0.4.0 (git+https://github.com/paritytech/substrate)",
+ "tiny-keccak 1.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "sr-primitives"
 version = "0.1.0"
-source = "git+https://github.com/paritytech/substrate#e2ebdf3a47a13d0a978949e478aff41c4f78b486"
+source = "git+https://github.com/paritytech/substrate#01bff36cbb7a800720c8d867b63736ba233d22f3"
 dependencies = [
  "integer-sqrt 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "num-traits 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-codec 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-codec-derive 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.85 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.80 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_derive 1.0.85 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-io 0.1.0 (git+https://github.com/paritytech/substrate)",
  "sr-std 0.1.0 (git+https://github.com/paritytech/substrate)",
@@ -1135,7 +1132,7 @@ dependencies = [
 [[package]]
 name = "sr-std"
 version = "0.1.0"
-source = "git+https://github.com/paritytech/substrate#e2ebdf3a47a13d0a978949e478aff41c4f78b486"
+source = "git+https://github.com/paritytech/substrate#01bff36cbb7a800720c8d867b63736ba233d22f3"
 dependencies = [
  "rustc_version 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -1143,12 +1140,12 @@ dependencies = [
 [[package]]
 name = "sr-version"
 version = "0.1.0"
-source = "git+https://github.com/paritytech/substrate#e2ebdf3a47a13d0a978949e478aff41c4f78b486"
+source = "git+https://github.com/paritytech/substrate#01bff36cbb7a800720c8d867b63736ba233d22f3"
 dependencies = [
  "impl-serde 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-codec 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-codec-derive 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.85 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.80 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_derive 1.0.85 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-primitives 0.1.0 (git+https://github.com/paritytech/substrate)",
  "sr-std 0.1.0 (git+https://github.com/paritytech/substrate)",
@@ -1157,12 +1154,12 @@ dependencies = [
 [[package]]
 name = "srml-aura"
 version = "0.1.0"
-source = "git+https://github.com/paritytech/substrate#e2ebdf3a47a13d0a978949e478aff41c4f78b486"
+source = "git+https://github.com/paritytech/substrate#01bff36cbb7a800720c8d867b63736ba233d22f3"
 dependencies = [
  "hex-literal 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-codec 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-codec-derive 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.85 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.80 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-io 0.1.0 (git+https://github.com/paritytech/substrate)",
  "sr-primitives 0.1.0 (git+https://github.com/paritytech/substrate)",
  "sr-std 0.1.0 (git+https://github.com/paritytech/substrate)",
@@ -1178,13 +1175,13 @@ dependencies = [
 [[package]]
 name = "srml-balances"
 version = "0.1.0"
-source = "git+https://github.com/paritytech/substrate#e2ebdf3a47a13d0a978949e478aff41c4f78b486"
+source = "git+https://github.com/paritytech/substrate#01bff36cbb7a800720c8d867b63736ba233d22f3"
 dependencies = [
  "hex-literal 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-codec 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-codec-derive 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "safe-mix 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.85 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.80 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-io 0.1.0 (git+https://github.com/paritytech/substrate)",
  "sr-primitives 0.1.0 (git+https://github.com/paritytech/substrate)",
  "sr-std 0.1.0 (git+https://github.com/paritytech/substrate)",
@@ -1197,12 +1194,12 @@ dependencies = [
 [[package]]
 name = "srml-consensus"
 version = "0.1.0"
-source = "git+https://github.com/paritytech/substrate#e2ebdf3a47a13d0a978949e478aff41c4f78b486"
+source = "git+https://github.com/paritytech/substrate#01bff36cbb7a800720c8d867b63736ba233d22f3"
 dependencies = [
  "hex-literal 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-codec 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-codec-derive 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.85 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.80 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-io 0.1.0 (git+https://github.com/paritytech/substrate)",
  "sr-primitives 0.1.0 (git+https://github.com/paritytech/substrate)",
  "sr-std 0.1.0 (git+https://github.com/paritytech/substrate)",
@@ -1215,13 +1212,13 @@ dependencies = [
 [[package]]
 name = "srml-council"
 version = "0.1.0"
-source = "git+https://github.com/paritytech/substrate#e2ebdf3a47a13d0a978949e478aff41c4f78b486"
+source = "git+https://github.com/paritytech/substrate#01bff36cbb7a800720c8d867b63736ba233d22f3"
 dependencies = [
  "hex-literal 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-codec 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-codec-derive 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "safe-mix 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.85 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.80 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-io 0.1.0 (git+https://github.com/paritytech/substrate)",
  "sr-primitives 0.1.0 (git+https://github.com/paritytech/substrate)",
  "sr-std 0.1.0 (git+https://github.com/paritytech/substrate)",
@@ -1235,13 +1232,13 @@ dependencies = [
 [[package]]
 name = "srml-democracy"
 version = "0.1.0"
-source = "git+https://github.com/paritytech/substrate#e2ebdf3a47a13d0a978949e478aff41c4f78b486"
+source = "git+https://github.com/paritytech/substrate#01bff36cbb7a800720c8d867b63736ba233d22f3"
 dependencies = [
  "hex-literal 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-codec 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-codec-derive 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "safe-mix 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.85 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.80 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-io 0.1.0 (git+https://github.com/paritytech/substrate)",
  "sr-primitives 0.1.0 (git+https://github.com/paritytech/substrate)",
  "sr-std 0.1.0 (git+https://github.com/paritytech/substrate)",
@@ -1254,12 +1251,12 @@ dependencies = [
 [[package]]
 name = "srml-executive"
 version = "0.1.0"
-source = "git+https://github.com/paritytech/substrate#e2ebdf3a47a13d0a978949e478aff41c4f78b486"
+source = "git+https://github.com/paritytech/substrate#01bff36cbb7a800720c8d867b63736ba233d22f3"
 dependencies = [
  "hex-literal 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-codec 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-codec-derive 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.85 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.80 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-io 0.1.0 (git+https://github.com/paritytech/substrate)",
  "sr-primitives 0.1.0 (git+https://github.com/paritytech/substrate)",
  "sr-std 0.1.0 (git+https://github.com/paritytech/substrate)",
@@ -1270,12 +1267,12 @@ dependencies = [
 [[package]]
 name = "srml-grandpa"
 version = "0.1.0"
-source = "git+https://github.com/paritytech/substrate#e2ebdf3a47a13d0a978949e478aff41c4f78b486"
+source = "git+https://github.com/paritytech/substrate#01bff36cbb7a800720c8d867b63736ba233d22f3"
 dependencies = [
  "hex-literal 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-codec 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-codec-derive 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.85 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.80 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_derive 1.0.85 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-io 0.1.0 (git+https://github.com/paritytech/substrate)",
  "sr-primitives 0.1.0 (git+https://github.com/paritytech/substrate)",
@@ -1290,13 +1287,13 @@ dependencies = [
 [[package]]
 name = "srml-indices"
 version = "0.1.0"
-source = "git+https://github.com/paritytech/substrate#e2ebdf3a47a13d0a978949e478aff41c4f78b486"
+source = "git+https://github.com/paritytech/substrate#01bff36cbb7a800720c8d867b63736ba233d22f3"
 dependencies = [
  "hex-literal 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-codec 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-codec-derive 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "safe-mix 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.85 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.80 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-io 0.1.0 (git+https://github.com/paritytech/substrate)",
  "sr-primitives 0.1.0 (git+https://github.com/paritytech/substrate)",
  "sr-std 0.1.0 (git+https://github.com/paritytech/substrate)",
@@ -1309,11 +1306,11 @@ dependencies = [
 [[package]]
 name = "srml-metadata"
 version = "0.1.0"
-source = "git+https://github.com/paritytech/substrate#e2ebdf3a47a13d0a978949e478aff41c4f78b486"
+source = "git+https://github.com/paritytech/substrate#01bff36cbb7a800720c8d867b63736ba233d22f3"
 dependencies = [
  "parity-codec 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-codec-derive 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.85 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.80 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_derive 1.0.85 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-std 0.1.0 (git+https://github.com/paritytech/substrate)",
  "substrate-primitives 0.1.0 (git+https://github.com/paritytech/substrate)",
@@ -1322,13 +1319,13 @@ dependencies = [
 [[package]]
 name = "srml-session"
 version = "0.1.0"
-source = "git+https://github.com/paritytech/substrate#e2ebdf3a47a13d0a978949e478aff41c4f78b486"
+source = "git+https://github.com/paritytech/substrate#01bff36cbb7a800720c8d867b63736ba233d22f3"
 dependencies = [
  "hex-literal 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-codec 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-codec-derive 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "safe-mix 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.85 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.80 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-io 0.1.0 (git+https://github.com/paritytech/substrate)",
  "sr-primitives 0.1.0 (git+https://github.com/paritytech/substrate)",
  "sr-std 0.1.0 (git+https://github.com/paritytech/substrate)",
@@ -1342,13 +1339,13 @@ dependencies = [
 [[package]]
 name = "srml-staking"
 version = "0.1.0"
-source = "git+https://github.com/paritytech/substrate#e2ebdf3a47a13d0a978949e478aff41c4f78b486"
+source = "git+https://github.com/paritytech/substrate#01bff36cbb7a800720c8d867b63736ba233d22f3"
 dependencies = [
  "hex-literal 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-codec 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-codec-derive 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "safe-mix 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.85 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.80 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-io 0.1.0 (git+https://github.com/paritytech/substrate)",
  "sr-primitives 0.1.0 (git+https://github.com/paritytech/substrate)",
  "sr-std 0.1.0 (git+https://github.com/paritytech/substrate)",
@@ -1365,12 +1362,12 @@ dependencies = [
 [[package]]
 name = "srml-sudo"
 version = "0.1.0"
-source = "git+https://github.com/paritytech/substrate#e2ebdf3a47a13d0a978949e478aff41c4f78b486"
+source = "git+https://github.com/paritytech/substrate#01bff36cbb7a800720c8d867b63736ba233d22f3"
 dependencies = [
  "hex-literal 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-codec 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-codec-derive 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.85 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.80 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-io 0.1.0 (git+https://github.com/paritytech/substrate)",
  "sr-primitives 0.1.0 (git+https://github.com/paritytech/substrate)",
  "sr-std 0.1.0 (git+https://github.com/paritytech/substrate)",
@@ -1383,13 +1380,13 @@ dependencies = [
 [[package]]
 name = "srml-support"
 version = "0.1.0"
-source = "git+https://github.com/paritytech/substrate#e2ebdf3a47a13d0a978949e478aff41c4f78b486"
+source = "git+https://github.com/paritytech/substrate#01bff36cbb7a800720c8d867b63736ba233d22f3"
 dependencies = [
  "hex-literal 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "mashup 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)",
  "once_cell 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-codec 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.85 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.80 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_derive 1.0.85 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-io 0.1.0 (git+https://github.com/paritytech/substrate)",
  "sr-primitives 0.1.0 (git+https://github.com/paritytech/substrate)",
@@ -1402,7 +1399,7 @@ dependencies = [
 [[package]]
 name = "srml-support-procedural"
 version = "0.1.0"
-source = "git+https://github.com/paritytech/substrate#e2ebdf3a47a13d0a978949e478aff41c4f78b486"
+source = "git+https://github.com/paritytech/substrate#01bff36cbb7a800720c8d867b63736ba233d22f3"
 dependencies = [
  "proc-macro2 0.4.26 (registry+https://github.com/rust-lang/crates.io-index)",
  "quote 0.6.11 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1414,7 +1411,7 @@ dependencies = [
 [[package]]
 name = "srml-support-procedural-tools"
 version = "0.1.0"
-source = "git+https://github.com/paritytech/substrate#e2ebdf3a47a13d0a978949e478aff41c4f78b486"
+source = "git+https://github.com/paritytech/substrate#01bff36cbb7a800720c8d867b63736ba233d22f3"
 dependencies = [
  "proc-macro2 0.4.26 (registry+https://github.com/rust-lang/crates.io-index)",
  "quote 0.6.11 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1425,7 +1422,7 @@ dependencies = [
 [[package]]
 name = "srml-support-procedural-tools-derive"
 version = "0.1.0"
-source = "git+https://github.com/paritytech/substrate#e2ebdf3a47a13d0a978949e478aff41c4f78b486"
+source = "git+https://github.com/paritytech/substrate#01bff36cbb7a800720c8d867b63736ba233d22f3"
 dependencies = [
  "proc-macro2 0.4.26 (registry+https://github.com/rust-lang/crates.io-index)",
  "quote 0.6.11 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1435,13 +1432,13 @@ dependencies = [
 [[package]]
 name = "srml-system"
 version = "0.1.0"
-source = "git+https://github.com/paritytech/substrate#e2ebdf3a47a13d0a978949e478aff41c4f78b486"
+source = "git+https://github.com/paritytech/substrate#01bff36cbb7a800720c8d867b63736ba233d22f3"
 dependencies = [
  "hex-literal 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-codec 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-codec-derive 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "safe-mix 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.85 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.80 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-io 0.1.0 (git+https://github.com/paritytech/substrate)",
  "sr-primitives 0.1.0 (git+https://github.com/paritytech/substrate)",
  "sr-std 0.1.0 (git+https://github.com/paritytech/substrate)",
@@ -1452,12 +1449,12 @@ dependencies = [
 [[package]]
 name = "srml-timestamp"
 version = "0.1.0"
-source = "git+https://github.com/paritytech/substrate#e2ebdf3a47a13d0a978949e478aff41c4f78b486"
+source = "git+https://github.com/paritytech/substrate#01bff36cbb7a800720c8d867b63736ba233d22f3"
 dependencies = [
  "hex-literal 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-codec 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-codec-derive 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.85 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.80 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-io 0.1.0 (git+https://github.com/paritytech/substrate)",
  "sr-primitives 0.1.0 (git+https://github.com/paritytech/substrate)",
  "sr-std 0.1.0 (git+https://github.com/paritytech/substrate)",
@@ -1471,12 +1468,12 @@ dependencies = [
 [[package]]
 name = "srml-treasury"
 version = "0.1.0"
-source = "git+https://github.com/paritytech/substrate#e2ebdf3a47a13d0a978949e478aff41c4f78b486"
+source = "git+https://github.com/paritytech/substrate#01bff36cbb7a800720c8d867b63736ba233d22f3"
 dependencies = [
  "hex-literal 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-codec 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-codec-derive 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.85 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.80 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-io 0.1.0 (git+https://github.com/paritytech/substrate)",
  "sr-primitives 0.1.0 (git+https://github.com/paritytech/substrate)",
  "sr-std 0.1.0 (git+https://github.com/paritytech/substrate)",
@@ -1489,12 +1486,12 @@ dependencies = [
 [[package]]
 name = "srml-upgrade-key"
 version = "0.1.0"
-source = "git+https://github.com/paritytech/substrate#e2ebdf3a47a13d0a978949e478aff41c4f78b486"
+source = "git+https://github.com/paritytech/substrate#01bff36cbb7a800720c8d867b63736ba233d22f3"
 dependencies = [
  "hex-literal 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-codec 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-codec-derive 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.85 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.80 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-io 0.1.0 (git+https://github.com/paritytech/substrate)",
  "sr-primitives 0.1.0 (git+https://github.com/paritytech/substrate)",
  "sr-std 0.1.0 (git+https://github.com/paritytech/substrate)",
@@ -1518,7 +1515,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 [[package]]
 name = "substrate-client"
 version = "0.1.0"
-source = "git+https://github.com/paritytech/substrate#e2ebdf3a47a13d0a978949e478aff41c4f78b486"
+source = "git+https://github.com/paritytech/substrate#01bff36cbb7a800720c8d867b63736ba233d22f3"
 dependencies = [
  "error-chain 0.12.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "fnv 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1548,7 +1545,7 @@ dependencies = [
 [[package]]
 name = "substrate-consensus-aura-primitives"
 version = "0.1.0"
-source = "git+https://github.com/paritytech/substrate#e2ebdf3a47a13d0a978949e478aff41c4f78b486"
+source = "git+https://github.com/paritytech/substrate#01bff36cbb7a800720c8d867b63736ba233d22f3"
 dependencies = [
  "parity-codec 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-io 0.1.0 (git+https://github.com/paritytech/substrate)",
@@ -1562,7 +1559,7 @@ dependencies = [
 [[package]]
 name = "substrate-consensus-common"
 version = "0.1.0"
-source = "git+https://github.com/paritytech/substrate#e2ebdf3a47a13d0a978949e478aff41c4f78b486"
+source = "git+https://github.com/paritytech/substrate#01bff36cbb7a800720c8d867b63736ba233d22f3"
 dependencies = [
  "error-chain 0.12.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures 0.1.25 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1574,22 +1571,23 @@ dependencies = [
  "sr-version 0.1.0 (git+https://github.com/paritytech/substrate)",
  "substrate-inherents 0.1.0 (git+https://github.com/paritytech/substrate)",
  "substrate-primitives 0.1.0 (git+https://github.com/paritytech/substrate)",
- "tokio 0.1.14 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio 0.1.15 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "substrate-executor"
 version = "0.1.0"
-source = "git+https://github.com/paritytech/substrate#e2ebdf3a47a13d0a978949e478aff41c4f78b486"
+source = "git+https://github.com/paritytech/substrate#01bff36cbb7a800720c8d867b63736ba233d22f3"
 dependencies = [
  "byteorder 1.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "error-chain 0.12.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "fnv 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "lazy_static 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libsecp256k1 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-codec 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "parking_lot 0.7.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.85 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.80 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_derive 1.0.85 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-io 0.1.0 (git+https://github.com/paritytech/substrate)",
  "sr-version 0.1.0 (git+https://github.com/paritytech/substrate)",
@@ -1597,13 +1595,14 @@ dependencies = [
  "substrate-serializer 0.1.0 (git+https://github.com/paritytech/substrate)",
  "substrate-state-machine 0.1.0 (git+https://github.com/paritytech/substrate)",
  "substrate-trie 0.4.0 (git+https://github.com/paritytech/substrate)",
+ "tiny-keccak 1.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "wasmi 0.4.3 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "substrate-finality-grandpa-primitives"
 version = "0.1.0"
-source = "git+https://github.com/paritytech/substrate#e2ebdf3a47a13d0a978949e478aff41c4f78b486"
+source = "git+https://github.com/paritytech/substrate#01bff36cbb7a800720c8d867b63736ba233d22f3"
 dependencies = [
  "parity-codec 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-codec-derive 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1616,7 +1615,7 @@ dependencies = [
 [[package]]
 name = "substrate-inherents"
 version = "0.1.0"
-source = "git+https://github.com/paritytech/substrate#e2ebdf3a47a13d0a978949e478aff41c4f78b486"
+source = "git+https://github.com/paritytech/substrate#01bff36cbb7a800720c8d867b63736ba233d22f3"
 dependencies = [
  "parity-codec 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-codec-derive 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1628,7 +1627,7 @@ dependencies = [
 [[package]]
 name = "substrate-keyring"
 version = "0.1.0"
-source = "git+https://github.com/paritytech/substrate#e2ebdf3a47a13d0a978949e478aff41c4f78b486"
+source = "git+https://github.com/paritytech/substrate#01bff36cbb7a800720c8d867b63736ba233d22f3"
 dependencies = [
  "hex-literal 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "lazy_static 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1638,7 +1637,7 @@ dependencies = [
 [[package]]
 name = "substrate-primitives"
 version = "0.1.0"
-source = "git+https://github.com/paritytech/substrate#e2ebdf3a47a13d0a978949e478aff41c4f78b486"
+source = "git+https://github.com/paritytech/substrate#01bff36cbb7a800720c8d867b63736ba233d22f3"
 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)",
@@ -1652,7 +1651,7 @@ dependencies = [
  "primitive-types 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "ring 0.13.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "rustc-hex 2.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.85 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.80 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_derive 1.0.85 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-std 0.1.0 (git+https://github.com/paritytech/substrate)",
  "twox-hash 1.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1663,16 +1662,16 @@ dependencies = [
 [[package]]
 name = "substrate-serializer"
 version = "0.1.0"
-source = "git+https://github.com/paritytech/substrate#e2ebdf3a47a13d0a978949e478aff41c4f78b486"
+source = "git+https://github.com/paritytech/substrate#01bff36cbb7a800720c8d867b63736ba233d22f3"
 dependencies = [
- "serde 1.0.85 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.80 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_json 1.0.37 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "substrate-state-machine"
 version = "0.1.0"
-source = "git+https://github.com/paritytech/substrate#e2ebdf3a47a13d0a978949e478aff41c4f78b486"
+source = "git+https://github.com/paritytech/substrate#01bff36cbb7a800720c8d867b63736ba233d22f3"
 dependencies = [
  "hash-db 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "heapsize 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1689,7 +1688,7 @@ dependencies = [
 [[package]]
 name = "substrate-telemetry"
 version = "0.3.0"
-source = "git+https://github.com/paritytech/substrate#e2ebdf3a47a13d0a978949e478aff41c4f78b486"
+source = "git+https://github.com/paritytech/substrate#01bff36cbb7a800720c8d867b63736ba233d22f3"
 dependencies = [
  "lazy_static 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1704,7 +1703,7 @@ dependencies = [
 [[package]]
 name = "substrate-trie"
 version = "0.4.0"
-source = "git+https://github.com/paritytech/substrate#e2ebdf3a47a13d0a978949e478aff41c4f78b486"
+source = "git+https://github.com/paritytech/substrate#01bff36cbb7a800720c8d867b63736ba233d22f3"
 dependencies = [
  "hash-db 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "memory-db 0.9.1 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1756,7 +1755,7 @@ dependencies = [
 
 [[package]]
 name = "tokio"
-version = "0.1.14"
+version = "0.1.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "bytes 0.4.11 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1769,9 +1768,10 @@ dependencies = [
  "tokio-fs 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-io 0.1.11 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-reactor 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-sync 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-tcp 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-threadpool 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-timer 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-threadpool 0.1.11 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-timer 0.2.9 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-udp 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-uds 0.2.5 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -1811,7 +1811,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "futures 0.1.25 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-io 0.1.11 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-threadpool 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-threadpool 0.1.11 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1841,6 +1841,14 @@ dependencies = [
  "tokio-io 0.1.11 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "tokio-sync"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "futures 0.1.25 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "tokio-tcp"
 version = "0.1.3"
@@ -1856,9 +1864,10 @@ dependencies = [
 
 [[package]]
 name = "tokio-threadpool"
-version = "0.1.10"
+version = "0.1.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
+ "crossbeam 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "crossbeam-channel 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "crossbeam-deque 0.6.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "crossbeam-utils 0.6.3 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1866,12 +1875,13 @@ dependencies = [
  "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "num_cpus 1.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand 0.6.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "slab 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-executor 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "tokio-timer"
-version = "0.2.8"
+version = "0.2.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "crossbeam-utils 0.6.3 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2059,7 +2069,7 @@ dependencies = [
  "mio 0.6.16 (registry+https://github.com/rust-lang/crates.io-index)",
  "mio-extras 2.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "openssl 0.10.16 (registry+https://github.com/rust-lang/crates.io-index)",
- "rand 0.4.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rand 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "sha1 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "slab 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "url 1.7.2 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2110,6 +2120,7 @@ dependencies = [
 "checksum fnv 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)" = "2fad85553e09a6f881f739c29f0b00b0f01357c743266d478b68951ce23285f3"
 "checksum foreign-types 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)" = "f6f339eb8adc052cd2ca78910fda869aefa38d22d5cb648e6485e4d3fc06f3b1"
 "checksum foreign-types-shared 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "00b0228411908ca8685dba7fc2cdd70ec9990a6e753e89b6ac91a84c40fbaf4b"
+"checksum fuchsia-cprng 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "81f7f8eb465745ea9b02e2704612a9946a59fa40572086c6fd49d6ddcf30bf31"
 "checksum fuchsia-zircon 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)" = "2e9763c69ebaae630ba35f74888db465e49e259ba1bc0eda7d06f4a067615d82"
 "checksum fuchsia-zircon-sys 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)" = "3dcaa9ae7725d12cdb85b3ad99a434db70b468c09ded17e012d86b5c1010f7a7"
 "checksum futures 0.1.25 (registry+https://github.com/rust-lang/crates.io-index)" = "49e7653e374fe0d0c12de4250f0bdb60680b8c80eed558c5c7538eec9c89e21b"
@@ -2169,11 +2180,10 @@ dependencies = [
 "checksum proc-macro-hack-impl 0.4.1 (registry+https://github.com/rust-lang/crates.io-index)" = "2b753ad9ed99dd8efeaa7d2fb8453c8f6bc3e54b97966d35f1bc77ca6865254a"
 "checksum proc-macro2 0.4.26 (registry+https://github.com/rust-lang/crates.io-index)" = "38fddd23d98b2144d197c0eca5705632d4fe2667d14a6be5df8934f8d74f1978"
 "checksum quote 0.6.11 (registry+https://github.com/rust-lang/crates.io-index)" = "cdd8e04bd9c52e0342b406469d494fcb033be4bdbe5c606016defbb1681411e1"
-"checksum rand 0.4.5 (registry+https://github.com/rust-lang/crates.io-index)" = "dee497e66d8d76bf08ce20c8d36e16f93749ab0bf89975b4f8ae5cee660c2da2"
-"checksum rand 0.5.5 (registry+https://github.com/rust-lang/crates.io-index)" = "e464cd887e869cddcae8792a4ee31d23c7edd516700695608f5b98c67ee0131c"
+"checksum rand 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)" = "552840b97013b1a26992c11eac34bdd778e464601a4c2054b5f0bff7c6761293"
+"checksum rand 0.5.6 (registry+https://github.com/rust-lang/crates.io-index)" = "c618c47cd3ebd209790115ab837de41425723956ad3ce2e6a7f09890947cacb9"
 "checksum rand 0.6.4 (registry+https://github.com/rust-lang/crates.io-index)" = "3906503e80ac6cbcacb2c2973fa8e473f24d7e2747c8c92bb230c2441cad96b5"
 "checksum rand_chacha 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "556d3a1ca6600bfcbab7c7c91ccb085ac7fbbcd70e008a98742e7847f4f7bcef"
-"checksum rand_core 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "1961a422c4d189dfb50ffa9320bf1f2a9bd54ecb92792fb9477f99a1045f3372"
 "checksum rand_core 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)" = "7a6fdeb83b075e8266dcc8762c22776f6877a63111121f5f8c7411e5be7eed4b"
 "checksum rand_core 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "d0e7a549d590831370895ab7ba4ea0c1b6b011d106b5ff2da6eee112615e6dc0"
 "checksum rand_hc 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "7b40677c7be09ae76218dc623efbf7b18e34bced3f38883af07bb75630a21bc4"
@@ -2193,7 +2203,7 @@ dependencies = [
 "checksum scopeguard 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)" = "94258f53601af11e6a49f722422f6e3425c52b06245a5cf9bc09908b174f5e27"
 "checksum semver 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)" = "1d7eb9ef2c18661902cc47e535f9bc51b78acd254da71d375c2f6720d9a40403"
 "checksum semver-parser 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)" = "388a1df253eca08550bef6c72392cfe7c30914bf41df5269b68cbd6ff8f570a3"
-"checksum serde 1.0.85 (registry+https://github.com/rust-lang/crates.io-index)" = "534b8b91a95e0f71bca3ed5824752d558da048d4248c91af873b63bd60519752"
+"checksum serde 1.0.80 (registry+https://github.com/rust-lang/crates.io-index)" = "15c141fc7027dd265a47c090bf864cf62b42c4d228bbcf4e51a0c9e2b0d3f7ef"
 "checksum serde_derive 1.0.85 (registry+https://github.com/rust-lang/crates.io-index)" = "a915306b0f1ac5607797697148c223bedeaa36bcc2e28a01441cd638cc6567b4"
 "checksum serde_json 1.0.37 (registry+https://github.com/rust-lang/crates.io-index)" = "4b90a9fbe1211e57d3e1c15670f1cb00802988fb23a1a4aad7a2b63544f1920e"
 "checksum sha1 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)" = "2579985fda508104f7587689507983eadd6a6e84dd35d6d115361f530916fa0d"
@@ -2248,16 +2258,17 @@ dependencies = [
 "checksum thread_local 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)" = "c6b53e329000edc2b34dbe8545fd20e55a333362d0a321909685a19bd28c3f1b"
 "checksum time 0.1.42 (registry+https://github.com/rust-lang/crates.io-index)" = "db8dcfca086c1143c9270ac42a2bbd8a7ee477b78ac8e45b19abfb0cbede4b6f"
 "checksum tiny-keccak 1.4.2 (registry+https://github.com/rust-lang/crates.io-index)" = "e9175261fbdb60781fcd388a4d6cc7e14764a2b629a7ad94abb439aed223a44f"
-"checksum tokio 0.1.14 (registry+https://github.com/rust-lang/crates.io-index)" = "4790d0be6f4ba6ae4f48190efa2ed7780c9e3567796abdb285003cf39840d9c5"
+"checksum tokio 0.1.15 (registry+https://github.com/rust-lang/crates.io-index)" = "e0500b88064f08bebddd0c0bed39e19f5c567a5f30975bee52b0c0d3e2eeb38c"
 "checksum tokio-codec 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "5c501eceaf96f0e1793cf26beb63da3d11c738c4a943fdf3746d81d64684c39f"
 "checksum tokio-current-thread 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)" = "331c8acc267855ec06eb0c94618dcbbfea45bed2d20b77252940095273fb58f6"
 "checksum tokio-executor 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)" = "30c6dbf2d1ad1de300b393910e8a3aa272b724a400b6531da03eed99e329fbf0"
 "checksum tokio-fs 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)" = "0e9cbbc8a3698b7ab652340f46633364f9eaa928ddaaee79d8b8f356dd79a09d"
 "checksum tokio-io 0.1.11 (registry+https://github.com/rust-lang/crates.io-index)" = "b53aeb9d3f5ccf2ebb29e19788f96987fa1355f8fe45ea193928eaaaf3ae820f"
 "checksum tokio-reactor 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)" = "afbcdb0f0d2a1e4c440af82d7bbf0bf91a8a8c0575bcd20c05d15be7e9d3a02f"
+"checksum tokio-sync 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "0d65a58e2215c13179e6eeb2cf00511e0aee455cad40a9bfaef15a2fd8aab1c7"
 "checksum tokio-tcp 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)" = "1d14b10654be682ac43efee27401d792507e30fd8d26389e1da3b185de2e4119"
-"checksum tokio-threadpool 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)" = "17465013014410310f9f61fa10bf4724803c149ea1d51efece131c38efca93aa"
-"checksum tokio-timer 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)" = "4f37f0111d76cc5da132fe9bc0590b9b9cfd079bc7e75ac3846278430a299ff8"
+"checksum tokio-threadpool 0.1.11 (registry+https://github.com/rust-lang/crates.io-index)" = "c3fd86cb15547d02daa2b21aadaf4e37dee3368df38a526178a5afa3c034d2fb"
+"checksum tokio-timer 0.2.9 (registry+https://github.com/rust-lang/crates.io-index)" = "21c04a314a1f69f73c0227beba6250e06cdc1e9a62e7eff912bf54a59b6d1b94"
 "checksum tokio-udp 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)" = "66268575b80f4a4a710ef83d087fdfeeabdce9b74c797535fbac18a2cb906e92"
 "checksum tokio-uds 0.2.5 (registry+https://github.com/rust-lang/crates.io-index)" = "037ffc3ba0e12a0ab4aca92e5234e0dedeb48fddf6ccd260f1f150a36a9f2445"
 "checksum trie-db 0.9.1 (registry+https://github.com/rust-lang/crates.io-index)" = "9ec6ceb1ad749359cedcf6fa95d7b5104acf70e871e2416e71cabcc3a8b2dbb8"
diff --git a/polkadot/runtime/wasm/target/wasm32-unknown-unknown/release/polkadot_runtime.compact.wasm b/polkadot/runtime/wasm/target/wasm32-unknown-unknown/release/polkadot_runtime.compact.wasm
index 110ca06ae2..a776a1126b 100644
Binary files a/polkadot/runtime/wasm/target/wasm32-unknown-unknown/release/polkadot_runtime.compact.wasm and b/polkadot/runtime/wasm/target/wasm32-unknown-unknown/release/polkadot_runtime.compact.wasm differ
diff --git a/polkadot/runtime/wasm/target/wasm32-unknown-unknown/release/polkadot_runtime.wasm b/polkadot/runtime/wasm/target/wasm32-unknown-unknown/release/polkadot_runtime.wasm
index ca9aa3bc90..eb0b6483ed 100755
Binary files a/polkadot/runtime/wasm/target/wasm32-unknown-unknown/release/polkadot_runtime.wasm and b/polkadot/runtime/wasm/target/wasm32-unknown-unknown/release/polkadot_runtime.wasm differ