diff --git a/.gitlab-ci.yml b/.gitlab-ci.yml
index 02038eea2c85..a81ad4496810 100644
--- a/.gitlab-ci.yml
+++ b/.gitlab-ci.yml
@@ -38,6 +38,12 @@ variables:
     name: parity-build
 
 .docker-env:                       &docker-env
+  retry:
+    max: 2
+    when: 
+      - runner_system_failure
+      - unknown_failure
+      - api_failure
   tags:
     - linux-docker
 
diff --git a/Cargo.lock b/Cargo.lock
index 313a12f01b12..98f6574406e4 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -2,13 +2,13 @@
 # It is not intended for manual editing.
 [[package]]
 name = "adder"
-version = "0.6.5"
+version = "0.6.6"
 dependencies = [
  "dlmalloc 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "polkadot-parachain 0.6.5",
+ "polkadot-parachain 0.6.6",
  "sr-std 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
- "substrate-wasm-builder-runner 1.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "substrate-wasm-builder-runner 1.0.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "tiny-keccak 1.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -16,14 +16,14 @@ dependencies = [
 name = "adder-collator"
 version = "0.1.0"
 dependencies = [
- "adder 0.6.5",
+ "adder 0.6.6",
  "ctrlc 3.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "exit-future 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures 0.1.29 (registry+https://github.com/rust-lang/crates.io-index)",
  "parking_lot 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "polkadot-collator 0.6.5",
- "polkadot-parachain 0.6.5",
- "polkadot-primitives 0.6.5",
+ "polkadot-collator 0.6.6",
+ "polkadot-parachain 0.6.6",
+ "polkadot-primitives 0.6.6",
  "substrate-client 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
  "substrate-primitives 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
 ]
@@ -66,7 +66,7 @@ dependencies = [
 
 [[package]]
 name = "ahash"
-version = "0.2.16"
+version = "0.2.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "const-random 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -166,7 +166,7 @@ dependencies = [
 
 [[package]]
 name = "autocfg"
-version = "0.1.6"
+version = "0.1.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
@@ -349,11 +349,10 @@ dependencies = [
 
 [[package]]
 name = "c2-chacha"
-version = "0.2.2"
+version = "0.2.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "ppv-lite86 0.2.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "ppv-lite86 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -739,7 +738,7 @@ name = "erased-serde"
 version = "0.3.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "serde 1.0.101 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.102 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -786,11 +785,11 @@ dependencies = [
 
 [[package]]
 name = "finality-grandpa"
-version = "0.9.0"
+version = "0.9.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "futures 0.1.29 (registry+https://github.com/rust-lang/crates.io-index)",
- "hashmap_core 0.1.11 (registry+https://github.com/rust-lang/crates.io-index)",
+ "hashbrown 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "num-traits 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -824,7 +823,7 @@ dependencies = [
  "futures 0.1.29 (registry+https://github.com/rust-lang/crates.io-index)",
  "libc 0.2.65 (registry+https://github.com/rust-lang/crates.io-index)",
  "libz-sys 1.0.25 (registry+https://github.com/rust-lang/crates.io-index)",
- "miniz_oxide 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "miniz_oxide 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-io 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -849,7 +848,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 [[package]]
 name = "fork-tree"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93123cc63eac37fed7a6cc6cc58e7e43d666ee03"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#a746d38d2b76da28e0e5fe77bad6c43ecc4d88c7"
 dependencies = [
  "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -1014,7 +1013,7 @@ dependencies = [
 
 [[package]]
 name = "getrandom"
-version = "0.1.12"
+version = "0.1.13"
 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)",
@@ -1058,9 +1057,9 @@ dependencies = [
 
 [[package]]
 name = "halt"
-version = "0.6.5"
+version = "0.6.6"
 dependencies = [
- "substrate-wasm-builder-runner 1.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "substrate-wasm-builder-runner 1.0.4 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1087,18 +1086,13 @@ dependencies = [
 
 [[package]]
 name = "hashbrown"
-version = "0.6.1"
+version = "0.6.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "ahash 0.2.16 (registry+https://github.com/rust-lang/crates.io-index)",
- "autocfg 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "ahash 0.2.17 (registry+https://github.com/rust-lang/crates.io-index)",
+ "autocfg 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
-[[package]]
-name = "hashmap_core"
-version = "0.1.11"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-
 [[package]]
 name = "heapsize"
 version = "0.4.2"
@@ -1112,7 +1106,7 @@ name = "heck"
 version = "0.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "unicode-segmentation 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "unicode-segmentation 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1273,7 +1267,7 @@ dependencies = [
 
 [[package]]
 name = "impl-codec"
-version = "0.4.1"
+version = "0.4.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1284,7 +1278,7 @@ name = "impl-serde"
 version = "0.2.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "serde 1.0.101 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.102 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1302,7 +1296,7 @@ name = "indexmap"
 version = "1.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "autocfg 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "autocfg 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1330,7 +1324,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "itertools"
-version = "0.8.0"
+version = "0.8.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "either 1.5.3 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1346,17 +1340,17 @@ name = "jobserver"
 version = "0.1.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "getrandom 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)",
+ "getrandom 0.1.13 (registry+https://github.com/rust-lang/crates.io-index)",
  "libc 0.2.65 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "js-sys"
-version = "0.3.28"
+version = "0.3.30"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "wasm-bindgen 0.2.51 (registry+https://github.com/rust-lang/crates.io-index)",
+ "wasm-bindgen 0.2.53 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1369,7 +1363,7 @@ dependencies = [
  "jsonrpc-core 13.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "jsonrpc-pubsub 13.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.101 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.102 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_json 1.0.41 (registry+https://github.com/rust-lang/crates.io-index)",
  "url 1.7.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -1381,8 +1375,8 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "futures 0.1.29 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.101 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_derive 1.0.101 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.102 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_derive 1.0.102 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_json 1.0.41 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -1427,7 +1421,7 @@ dependencies = [
  "jsonrpc-core 13.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "parking_lot 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.101 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.102 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1596,7 +1590,7 @@ dependencies = [
  "parity-multiaddr 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-multihash 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "parking_lot 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "smallvec 0.6.10 (registry+https://github.com/rust-lang/crates.io-index)",
+ "smallvec 0.6.11 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-codec 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-executor 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-io 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1628,7 +1622,7 @@ dependencies = [
  "ring 0.14.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "rw-stream-sink 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "sha2 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "smallvec 0.6.10 (registry+https://github.com/rust-lang/crates.io-index)",
+ "smallvec 0.6.11 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-executor 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-io 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)",
  "unsigned-varint 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1683,7 +1677,7 @@ dependencies = [
  "libp2p-swarm 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "protobuf 2.8.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand 0.6.5 (registry+https://github.com/rust-lang/crates.io-index)",
- "smallvec 0.6.10 (registry+https://github.com/rust-lang/crates.io-index)",
+ "smallvec 0.6.11 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-io 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -1699,7 +1693,7 @@ dependencies = [
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-multiaddr 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "protobuf 2.8.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "smallvec 0.6.10 (registry+https://github.com/rust-lang/crates.io-index)",
+ "smallvec 0.6.11 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-codec 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-io 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)",
  "unsigned-varint 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1725,10 +1719,10 @@ dependencies = [
  "protobuf 2.8.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand 0.6.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "sha2 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "smallvec 0.6.10 (registry+https://github.com/rust-lang/crates.io-index)",
+ "smallvec 0.6.11 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-codec 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-io 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)",
- "uint 0.8.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "uint 0.8.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "unsigned-varint 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "void 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "wasm-timer 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1748,7 +1742,7 @@ dependencies = [
  "net2 0.2.33 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-multiaddr 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand 0.6.5 (registry+https://github.com/rust-lang/crates.io-index)",
- "smallvec 0.6.10 (registry+https://github.com/rust-lang/crates.io-index)",
+ "smallvec 0.6.11 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-io 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-reactor 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-udp 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1843,7 +1837,7 @@ dependencies = [
  "ctr 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures 0.1.29 (registry+https://github.com/rust-lang/crates.io-index)",
  "hmac 0.7.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "js-sys 0.3.28 (registry+https://github.com/rust-lang/crates.io-index)",
+ "js-sys 0.3.30 (registry+https://github.com/rust-lang/crates.io-index)",
  "lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "libp2p-core 0.12.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1856,9 +1850,9 @@ dependencies = [
  "tokio-io 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)",
  "twofish 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "untrusted 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "wasm-bindgen 0.2.51 (registry+https://github.com/rust-lang/crates.io-index)",
+ "wasm-bindgen 0.2.53 (registry+https://github.com/rust-lang/crates.io-index)",
  "wasm-bindgen-futures 0.3.27 (registry+https://github.com/rust-lang/crates.io-index)",
- "web-sys 0.3.28 (registry+https://github.com/rust-lang/crates.io-index)",
+ "web-sys 0.3.30 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1868,7 +1862,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "futures 0.1.29 (registry+https://github.com/rust-lang/crates.io-index)",
  "libp2p-core 0.12.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "smallvec 0.6.10 (registry+https://github.com/rust-lang/crates.io-index)",
+ "smallvec 0.6.11 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-io 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)",
  "void 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "wasm-timer 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1907,11 +1901,11 @@ version = "0.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "futures 0.1.29 (registry+https://github.com/rust-lang/crates.io-index)",
- "js-sys 0.3.28 (registry+https://github.com/rust-lang/crates.io-index)",
+ "js-sys 0.3.30 (registry+https://github.com/rust-lang/crates.io-index)",
  "libp2p-core 0.12.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-send-wrapper 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-io 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)",
- "wasm-bindgen 0.2.51 (registry+https://github.com/rust-lang/crates.io-index)",
+ "wasm-bindgen 0.2.53 (registry+https://github.com/rust-lang/crates.io-index)",
  "wasm-bindgen-futures 0.3.27 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -1971,7 +1965,7 @@ dependencies = [
 
 [[package]]
 name = "libsecp256k1"
-version = "0.3.1"
+version = "0.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "arrayref 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2090,8 +2084,8 @@ version = "0.15.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "hash-db 0.15.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "hashbrown 0.6.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "parity-util-mem 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "hashbrown 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "parity-util-mem 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -2120,7 +2114,7 @@ dependencies = [
 
 [[package]]
 name = "miniz_oxide"
-version = "0.3.3"
+version = "0.3.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "adler32 1.0.4 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2188,7 +2182,7 @@ dependencies = [
  "bytes 0.4.12 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures 0.1.29 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
- "smallvec 0.6.10 (registry+https://github.com/rust-lang/crates.io-index)",
+ "smallvec 0.6.11 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-io 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)",
  "unsigned-varint 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -2211,7 +2205,7 @@ dependencies = [
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "openssl 0.10.25 (registry+https://github.com/rust-lang/crates.io-index)",
  "openssl-probe 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "openssl-sys 0.9.51 (registry+https://github.com/rust-lang/crates.io-index)",
+ "openssl-sys 0.9.52 (registry+https://github.com/rust-lang/crates.io-index)",
  "schannel 0.1.16 (registry+https://github.com/rust-lang/crates.io-index)",
  "security-framework 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "security-framework-sys 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2277,7 +2271,7 @@ name = "num-bigint"
 version = "0.2.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "autocfg 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "autocfg 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
  "num-integer 0.1.41 (registry+https://github.com/rust-lang/crates.io-index)",
  "num-traits 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -2287,7 +2281,7 @@ name = "num-integer"
 version = "0.1.41"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "autocfg 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "autocfg 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
  "num-traits 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -2296,7 +2290,7 @@ name = "num-rational"
 version = "0.2.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "autocfg 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "autocfg 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
  "num-bigint 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "num-integer 0.1.41 (registry+https://github.com/rust-lang/crates.io-index)",
  "num-traits 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2315,7 +2309,7 @@ name = "num-traits"
 version = "0.2.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "autocfg 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "autocfg 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -2363,7 +2357,7 @@ dependencies = [
  "foreign-types 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "libc 0.2.65 (registry+https://github.com/rust-lang/crates.io-index)",
- "openssl-sys 0.9.51 (registry+https://github.com/rust-lang/crates.io-index)",
+ "openssl-sys 0.9.52 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -2373,10 +2367,10 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "openssl-sys"
-version = "0.9.51"
+version = "0.9.52"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "autocfg 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "autocfg 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
  "cc 1.0.46 (registry+https://github.com/rust-lang/crates.io-index)",
  "libc 0.2.65 (registry+https://github.com/rust-lang/crates.io-index)",
  "pkg-config 0.3.16 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2413,7 +2407,7 @@ dependencies = [
  "data-encoding 2.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-multihash 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "percent-encoding 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.101 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.102 (registry+https://github.com/rust-lang/crates.io-index)",
  "unsigned-varint 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "url 1.7.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -2441,7 +2435,7 @@ dependencies = [
  "bitvec 0.14.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "byte-slice-cast 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-scale-codec-derive 1.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.101 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.102 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -2462,7 +2456,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "parity-util-mem"
-version = "0.2.0"
+version = "0.2.1"
 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)",
@@ -2529,7 +2523,7 @@ dependencies = [
  "libc 0.2.65 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand 0.5.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "rustc_version 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "smallvec 0.6.10 (registry+https://github.com/rust-lang/crates.io-index)",
+ "smallvec 0.6.11 (registry+https://github.com/rust-lang/crates.io-index)",
  "winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -2541,7 +2535,7 @@ dependencies = [
  "libc 0.2.65 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand 0.6.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "rustc_version 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "smallvec 0.6.10 (registry+https://github.com/rust-lang/crates.io-index)",
+ "smallvec 0.6.11 (registry+https://github.com/rust-lang/crates.io-index)",
  "winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -2556,7 +2550,7 @@ dependencies = [
  "rand 0.6.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "redox_syscall 0.1.56 (registry+https://github.com/rust-lang/crates.io-index)",
  "rustc_version 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "smallvec 0.6.10 (registry+https://github.com/rust-lang/crates.io-index)",
+ "smallvec 0.6.11 (registry+https://github.com/rust-lang/crates.io-index)",
  "winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -2570,7 +2564,7 @@ dependencies = [
  "libc 0.2.65 (registry+https://github.com/rust-lang/crates.io-index)",
  "redox_syscall 0.1.56 (registry+https://github.com/rust-lang/crates.io-index)",
  "rustc_version 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "smallvec 0.6.10 (registry+https://github.com/rust-lang/crates.io-index)",
+ "smallvec 0.6.11 (registry+https://github.com/rust-lang/crates.io-index)",
  "winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -2643,18 +2637,18 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "polkadot"
-version = "0.6.5"
+version = "0.6.6"
 dependencies = [
  "ctrlc 3.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures 0.1.29 (registry+https://github.com/rust-lang/crates.io-index)",
- "polkadot-cli 0.6.5",
- "polkadot-service 0.6.5",
+ "polkadot-cli 0.6.6",
+ "polkadot-service 0.6.6",
  "vergen 3.0.4 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "polkadot-availability-store"
-version = "0.6.5"
+version = "0.6.6"
 dependencies = [
  "kvdb 0.1.0 (git+https://github.com/paritytech/parity-common?rev=616b40150ded71f57f650067fcbc5c99d7c343e6)",
  "kvdb-memorydb 0.1.0 (git+https://github.com/paritytech/parity-common?rev=616b40150ded71f57f650067fcbc5c99d7c343e6)",
@@ -2662,18 +2656,18 @@ dependencies = [
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "parking_lot 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "polkadot-primitives 0.6.5",
+ "polkadot-primitives 0.6.6",
  "substrate-primitives 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
 ]
 
 [[package]]
 name = "polkadot-cli"
-version = "0.6.5"
+version = "0.6.6"
 dependencies = [
  "exit-future 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures 0.1.29 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
- "polkadot-service 0.6.5",
+ "polkadot-service 0.6.6",
  "structopt 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "substrate-cli 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
  "tokio 0.1.22 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2681,17 +2675,17 @@ dependencies = [
 
 [[package]]
 name = "polkadot-collator"
-version = "0.6.5"
+version = "0.6.6"
 dependencies = [
  "futures 0.1.29 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures-preview 0.3.0-alpha.19 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
- "polkadot-cli 0.6.5",
- "polkadot-network 0.6.5",
- "polkadot-primitives 0.6.5",
- "polkadot-runtime 0.6.5",
- "polkadot-service 0.6.5",
- "polkadot-validation 0.6.5",
+ "polkadot-cli 0.6.6",
+ "polkadot-network 0.6.6",
+ "polkadot-primitives 0.6.6",
+ "polkadot-runtime 0.6.6",
+ "polkadot-service 0.6.6",
+ "polkadot-validation 0.6.6",
  "substrate-client 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
  "substrate-consensus-common 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
  "substrate-keyring 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
@@ -2702,10 +2696,10 @@ dependencies = [
 
 [[package]]
 name = "polkadot-erasure-coding"
-version = "0.6.5"
+version = "0.6.6"
 dependencies = [
  "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "polkadot-primitives 0.6.5",
+ "polkadot-primitives 0.6.6",
  "reed-solomon-erasure 4.0.0 (git+https://github.com/paritytech/reed-solomon-erasure)",
  "substrate-primitives 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
  "substrate-trie 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
@@ -2713,15 +2707,15 @@ dependencies = [
 
 [[package]]
 name = "polkadot-executor"
-version = "0.6.5"
+version = "0.6.6"
 dependencies = [
- "polkadot-runtime 0.6.5",
+ "polkadot-runtime 0.6.6",
  "substrate-executor 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
 ]
 
 [[package]]
 name = "polkadot-network"
-version = "0.6.5"
+version = "0.6.6"
 dependencies = [
  "arrayvec 0.4.12 (registry+https://github.com/rust-lang/crates.io-index)",
  "exit-future 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2730,9 +2724,9 @@ dependencies = [
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "parking_lot 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "polkadot-availability-store 0.6.5",
- "polkadot-primitives 0.6.5",
- "polkadot-validation 0.6.5",
+ "polkadot-availability-store 0.6.6",
+ "polkadot-primitives 0.6.6",
+ "polkadot-validation 0.6.6",
  "sr-primitives 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
  "substrate-client 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
  "substrate-keyring 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
@@ -2742,16 +2736,16 @@ dependencies = [
 
 [[package]]
 name = "polkadot-parachain"
-version = "0.6.5"
+version = "0.6.6"
 dependencies = [
- "adder 0.6.5",
+ "adder 0.6.6",
  "derive_more 0.14.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "halt 0.6.5",
+ "halt 0.6.6",
  "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)",
  "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "parking_lot 0.7.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.101 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.102 (registry+https://github.com/rust-lang/crates.io-index)",
  "shared_memory 0.8.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-std 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
  "substrate-primitives 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
@@ -2761,13 +2755,13 @@ dependencies = [
 
 [[package]]
 name = "polkadot-primitives"
-version = "0.6.5"
+version = "0.6.6"
 dependencies = [
  "bitvec 0.14.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "polkadot-parachain 0.6.5",
+ "polkadot-parachain 0.6.6",
  "pretty_assertions 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.101 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.102 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-primitives 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
  "sr-std 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
  "sr-version 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
@@ -2780,11 +2774,11 @@ dependencies = [
 
 [[package]]
 name = "polkadot-rpc"
-version = "0.6.5"
+version = "0.6.6"
 dependencies = [
  "jsonrpc-core 13.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "polkadot-primitives 0.6.5",
- "polkadot-runtime 0.6.5",
+ "polkadot-primitives 0.6.6",
+ "polkadot-runtime 0.6.6",
  "sr-primitives 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
  "srml-system-rpc 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
  "srml-transaction-payment-rpc 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
@@ -2795,19 +2789,19 @@ dependencies = [
 
 [[package]]
 name = "polkadot-runtime"
-version = "0.6.5"
+version = "0.6.6"
 dependencies = [
  "bitvec 0.14.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "hex-literal 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "libsecp256k1 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libsecp256k1 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "polkadot-parachain 0.6.5",
- "polkadot-primitives 0.6.5",
+ "polkadot-parachain 0.6.6",
+ "polkadot-primitives 0.6.6",
  "rustc-hex 2.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "safe-mix 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.101 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_derive 1.0.101 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.102 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_derive 1.0.102 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_json 1.0.41 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-io 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
  "sr-primitives 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
@@ -2851,14 +2845,14 @@ dependencies = [
  "substrate-serializer 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
  "substrate-session 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
  "substrate-trie 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
- "substrate-wasm-builder-runner 1.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "substrate-wasm-builder-runner 1.0.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "tiny-keccak 1.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "trie-db 0.15.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "polkadot-service"
-version = "0.6.5"
+version = "0.6.6"
 dependencies = [
  "exit-future 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures 0.1.29 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2866,13 +2860,13 @@ dependencies = [
  "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)",
  "parking_lot 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "polkadot-availability-store 0.6.5",
- "polkadot-executor 0.6.5",
- "polkadot-network 0.6.5",
- "polkadot-primitives 0.6.5",
- "polkadot-rpc 0.6.5",
- "polkadot-runtime 0.6.5",
- "polkadot-validation 0.6.5",
+ "polkadot-availability-store 0.6.6",
+ "polkadot-executor 0.6.6",
+ "polkadot-network 0.6.6",
+ "polkadot-primitives 0.6.6",
+ "polkadot-rpc 0.6.6",
+ "polkadot-runtime 0.6.6",
+ "polkadot-validation 0.6.6",
  "slog 2.5.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-io 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
  "sr-primitives 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
@@ -2899,16 +2893,16 @@ dependencies = [
 
 [[package]]
 name = "polkadot-statement-table"
-version = "0.6.5"
+version = "0.6.6"
 dependencies = [
  "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "polkadot-primitives 0.6.5",
+ "polkadot-primitives 0.6.6",
  "substrate-primitives 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
 ]
 
 [[package]]
 name = "polkadot-validation"
-version = "0.6.5"
+version = "0.6.6"
 dependencies = [
  "bitvec 0.14.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "derive_more 0.14.1 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2919,11 +2913,11 @@ dependencies = [
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "parking_lot 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "polkadot-availability-store 0.6.5",
- "polkadot-parachain 0.6.5",
- "polkadot-primitives 0.6.5",
- "polkadot-runtime 0.6.5",
- "polkadot-statement-table 0.6.5",
+ "polkadot-availability-store 0.6.6",
+ "polkadot-parachain 0.6.6",
+ "polkadot-primitives 0.6.6",
+ "polkadot-runtime 0.6.6",
+ "polkadot-statement-table 0.6.6",
  "sr-primitives 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
  "srml-babe 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
  "substrate-client 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
@@ -2941,7 +2935,7 @@ dependencies = [
 
 [[package]]
 name = "ppv-lite86"
-version = "0.2.5"
+version = "0.2.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
@@ -2959,9 +2953,9 @@ version = "0.5.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "fixed-hash 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "impl-codec 0.4.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "impl-codec 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "impl-serde 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "uint 0.8.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "uint 0.8.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -2969,7 +2963,7 @@ name = "proc-macro-crate"
 version = "0.1.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "toml 0.5.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "toml 0.5.4 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -3025,7 +3019,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "bytes 0.4.12 (registry+https://github.com/rust-lang/crates.io-index)",
  "heck 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "itertools 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "itertools 0.8.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "multimap 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "petgraph 0.4.13 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -3041,7 +3035,7 @@ version = "0.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "failure 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "itertools 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "itertools 0.8.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "proc-macro2 0.4.30 (registry+https://github.com/rust-lang/crates.io-index)",
  "quote 0.6.13 (registry+https://github.com/rust-lang/crates.io-index)",
  "syn 0.15.44 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -3120,7 +3114,7 @@ name = "rand"
 version = "0.6.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "autocfg 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "autocfg 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
  "libc 0.2.65 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand_chacha 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand_core 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -3138,7 +3132,7 @@ name = "rand"
 version = "0.7.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "getrandom 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)",
+ "getrandom 0.1.13 (registry+https://github.com/rust-lang/crates.io-index)",
  "libc 0.2.65 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand_chacha 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand_core 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -3150,7 +3144,7 @@ name = "rand_chacha"
 version = "0.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "autocfg 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "autocfg 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand_core 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -3159,7 +3153,7 @@ name = "rand_chacha"
 version = "0.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "c2-chacha 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "c2-chacha 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand_core 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -3181,7 +3175,7 @@ name = "rand_core"
 version = "0.5.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "getrandom 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)",
+ "getrandom 0.1.13 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -3236,7 +3230,7 @@ name = "rand_pcg"
 version = "0.1.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "autocfg 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "autocfg 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand_core 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -3288,7 +3282,7 @@ name = "reed-solomon-erasure"
 version = "4.0.0"
 source = "git+https://github.com/paritytech/reed-solomon-erasure#63c609beaef0f8174a9a21f058d7d3e46c3a762c"
 dependencies = [
- "smallvec 0.6.10 (registry+https://github.com/rust-lang/crates.io-index)",
+ "smallvec 0.6.11 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -3497,15 +3491,15 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "serde"
-version = "1.0.101"
+version = "1.0.102"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "serde_derive 1.0.101 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_derive 1.0.102 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "serde_derive"
-version = "1.0.101"
+version = "1.0.102"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "proc-macro2 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -3520,7 +3514,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "itoa 0.4.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "ryu 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.101 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.102 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -3629,14 +3623,14 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "chrono 0.4.9 (registry+https://github.com/rust-lang/crates.io-index)",
  "erased-serde 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.101 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.102 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_json 1.0.41 (registry+https://github.com/rust-lang/crates.io-index)",
  "slog 2.5.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "slog-scope"
-version = "4.2.0"
+version = "4.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "arc-swap 0.4.3 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -3656,7 +3650,7 @@ dependencies = [
 
 [[package]]
 name = "smallvec"
-version = "0.6.10"
+version = "0.6.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
@@ -3671,7 +3665,7 @@ dependencies = [
  "rand_core 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "ring 0.14.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "rustc_version 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "smallvec 0.6.10 (registry+https://github.com/rust-lang/crates.io-index)",
+ "smallvec 0.6.11 (registry+https://github.com/rust-lang/crates.io-index)",
  "static_slice 0.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "subtle 2.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -3690,7 +3684,7 @@ dependencies = [
  "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)",
  "sha1 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "smallvec 0.6.10 (registry+https://github.com/rust-lang/crates.io-index)",
+ "smallvec 0.6.11 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-codec 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-io 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -3708,7 +3702,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 [[package]]
 name = "sr-api-macros"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93123cc63eac37fed7a6cc6cc58e7e43d666ee03"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#a746d38d2b76da28e0e5fe77bad6c43ecc4d88c7"
 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)",
@@ -3720,12 +3714,12 @@ dependencies = [
 [[package]]
 name = "sr-arithmetic"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93123cc63eac37fed7a6cc6cc58e7e43d666ee03"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#a746d38d2b76da28e0e5fe77bad6c43ecc4d88c7"
 dependencies = [
  "integer-sqrt 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "num-traits 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.101 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.102 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-std 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
  "substrate-debug-derive 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
 ]
@@ -3733,10 +3727,10 @@ dependencies = [
 [[package]]
 name = "sr-io"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93123cc63eac37fed7a6cc6cc58e7e43d666ee03"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#a746d38d2b76da28e0e5fe77bad6c43ecc4d88c7"
 dependencies = [
  "hash-db 0.15.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "libsecp256k1 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libsecp256k1 0.3.2 (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 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "rustc_version 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -3751,14 +3745,14 @@ dependencies = [
 [[package]]
 name = "sr-primitives"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93123cc63eac37fed7a6cc6cc58e7e43d666ee03"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#a746d38d2b76da28e0e5fe77bad6c43ecc4d88c7"
 dependencies = [
  "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 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "paste 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand 0.7.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.101 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.102 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-arithmetic 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
  "sr-io 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
  "sr-std 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
@@ -3769,7 +3763,7 @@ dependencies = [
 [[package]]
 name = "sr-staking-primitives"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93123cc63eac37fed7a6cc6cc58e7e43d666ee03"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#a746d38d2b76da28e0e5fe77bad6c43ecc4d88c7"
 dependencies = [
  "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-primitives 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
@@ -3779,7 +3773,7 @@ dependencies = [
 [[package]]
 name = "sr-std"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93123cc63eac37fed7a6cc6cc58e7e43d666ee03"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#a746d38d2b76da28e0e5fe77bad6c43ecc4d88c7"
 dependencies = [
  "rustc_version 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -3787,11 +3781,11 @@ dependencies = [
 [[package]]
 name = "sr-version"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93123cc63eac37fed7a6cc6cc58e7e43d666ee03"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#a746d38d2b76da28e0e5fe77bad6c43ecc4d88c7"
 dependencies = [
  "impl-serde 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.101 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.102 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-primitives 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
  "sr-std 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
 ]
@@ -3799,10 +3793,10 @@ dependencies = [
 [[package]]
 name = "srml-authority-discovery"
 version = "0.1.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93123cc63eac37fed7a6cc6cc58e7e43d666ee03"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#a746d38d2b76da28e0e5fe77bad6c43ecc4d88c7"
 dependencies = [
  "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.101 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.102 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-io 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
  "sr-primitives 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
  "sr-std 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
@@ -3816,7 +3810,7 @@ dependencies = [
 [[package]]
 name = "srml-authorship"
 version = "0.1.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93123cc63eac37fed7a6cc6cc58e7e43d666ee03"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#a746d38d2b76da28e0e5fe77bad6c43ecc4d88c7"
 dependencies = [
  "impl-trait-for-tuples 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -3832,11 +3826,11 @@ dependencies = [
 [[package]]
 name = "srml-babe"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93123cc63eac37fed7a6cc6cc58e7e43d666ee03"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#a746d38d2b76da28e0e5fe77bad6c43ecc4d88c7"
 dependencies = [
  "hex-literal 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.101 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.102 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-io 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
  "sr-primitives 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
  "sr-staking-primitives 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
@@ -3852,11 +3846,11 @@ dependencies = [
 [[package]]
 name = "srml-balances"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93123cc63eac37fed7a6cc6cc58e7e43d666ee03"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#a746d38d2b76da28e0e5fe77bad6c43ecc4d88c7"
 dependencies = [
  "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "safe-mix 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.101 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.102 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-primitives 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
  "sr-std 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
  "srml-support 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
@@ -3867,11 +3861,11 @@ dependencies = [
 [[package]]
 name = "srml-collective"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93123cc63eac37fed7a6cc6cc58e7e43d666ee03"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#a746d38d2b76da28e0e5fe77bad6c43ecc4d88c7"
 dependencies = [
  "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "safe-mix 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.101 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.102 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-io 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
  "sr-primitives 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
  "sr-std 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
@@ -3883,11 +3877,11 @@ dependencies = [
 [[package]]
 name = "srml-democracy"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93123cc63eac37fed7a6cc6cc58e7e43d666ee03"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#a746d38d2b76da28e0e5fe77bad6c43ecc4d88c7"
 dependencies = [
  "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "safe-mix 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.101 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.102 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-io 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
  "sr-primitives 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
  "sr-std 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
@@ -3898,7 +3892,7 @@ dependencies = [
 [[package]]
 name = "srml-elections-phragmen"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93123cc63eac37fed7a6cc6cc58e7e43d666ee03"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#a746d38d2b76da28e0e5fe77bad6c43ecc4d88c7"
 dependencies = [
  "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-primitives 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
@@ -3911,10 +3905,10 @@ dependencies = [
 [[package]]
 name = "srml-executive"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93123cc63eac37fed7a6cc6cc58e7e43d666ee03"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#a746d38d2b76da28e0e5fe77bad6c43ecc4d88c7"
 dependencies = [
  "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.101 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.102 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-io 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
  "sr-primitives 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
  "sr-std 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
@@ -3925,11 +3919,11 @@ dependencies = [
 [[package]]
 name = "srml-finality-tracker"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93123cc63eac37fed7a6cc6cc58e7e43d666ee03"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#a746d38d2b76da28e0e5fe77bad6c43ecc4d88c7"
 dependencies = [
  "impl-trait-for-tuples 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.101 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.102 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-primitives 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
  "sr-std 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
  "srml-support 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
@@ -3940,10 +3934,10 @@ dependencies = [
 [[package]]
 name = "srml-grandpa"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93123cc63eac37fed7a6cc6cc58e7e43d666ee03"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#a746d38d2b76da28e0e5fe77bad6c43ecc4d88c7"
 dependencies = [
  "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.101 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.102 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-primitives 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
  "sr-staking-primitives 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
  "sr-std 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
@@ -3958,14 +3952,15 @@ dependencies = [
 [[package]]
 name = "srml-im-online"
 version = "0.1.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93123cc63eac37fed7a6cc6cc58e7e43d666ee03"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#a746d38d2b76da28e0e5fe77bad6c43ecc4d88c7"
 dependencies = [
  "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.101 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.102 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-io 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
  "sr-primitives 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
  "sr-staking-primitives 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
  "sr-std 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
+ "srml-authorship 0.1.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
  "srml-session 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
  "srml-support 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
  "srml-system 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
@@ -3976,11 +3971,11 @@ dependencies = [
 [[package]]
 name = "srml-indices"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93123cc63eac37fed7a6cc6cc58e7e43d666ee03"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#a746d38d2b76da28e0e5fe77bad6c43ecc4d88c7"
 dependencies = [
  "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "safe-mix 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.101 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.102 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-io 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
  "sr-primitives 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
  "sr-std 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
@@ -3993,10 +3988,10 @@ dependencies = [
 [[package]]
 name = "srml-membership"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93123cc63eac37fed7a6cc6cc58e7e43d666ee03"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#a746d38d2b76da28e0e5fe77bad6c43ecc4d88c7"
 dependencies = [
  "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.101 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.102 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-io 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
  "sr-primitives 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
  "sr-std 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
@@ -4007,10 +4002,10 @@ dependencies = [
 [[package]]
 name = "srml-metadata"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93123cc63eac37fed7a6cc6cc58e7e43d666ee03"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#a746d38d2b76da28e0e5fe77bad6c43ecc4d88c7"
 dependencies = [
  "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.101 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.102 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-std 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
  "substrate-primitives 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
 ]
@@ -4018,10 +4013,10 @@ dependencies = [
 [[package]]
 name = "srml-nicks"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93123cc63eac37fed7a6cc6cc58e7e43d666ee03"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#a746d38d2b76da28e0e5fe77bad6c43ecc4d88c7"
 dependencies = [
  "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.101 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.102 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-io 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
  "sr-primitives 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
  "sr-std 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
@@ -4032,10 +4027,10 @@ dependencies = [
 [[package]]
 name = "srml-offences"
 version = "1.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93123cc63eac37fed7a6cc6cc58e7e43d666ee03"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#a746d38d2b76da28e0e5fe77bad6c43ecc4d88c7"
 dependencies = [
  "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.101 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.102 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-primitives 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
  "sr-staking-primitives 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
  "sr-std 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
@@ -4047,7 +4042,7 @@ dependencies = [
 [[package]]
 name = "srml-randomness-collective-flip"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93123cc63eac37fed7a6cc6cc58e7e43d666ee03"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#a746d38d2b76da28e0e5fe77bad6c43ecc4d88c7"
 dependencies = [
  "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "safe-mix 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -4060,12 +4055,12 @@ dependencies = [
 [[package]]
 name = "srml-session"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93123cc63eac37fed7a6cc6cc58e7e43d666ee03"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#a746d38d2b76da28e0e5fe77bad6c43ecc4d88c7"
 dependencies = [
  "impl-trait-for-tuples 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "safe-mix 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.101 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.102 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-io 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
  "sr-primitives 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
  "sr-staking-primitives 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
@@ -4079,11 +4074,11 @@ dependencies = [
 [[package]]
 name = "srml-staking"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93123cc63eac37fed7a6cc6cc58e7e43d666ee03"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#a746d38d2b76da28e0e5fe77bad6c43ecc4d88c7"
 dependencies = [
  "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "safe-mix 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.101 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.102 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-io 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
  "sr-primitives 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
  "sr-staking-primitives 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
@@ -4099,7 +4094,7 @@ dependencies = [
 [[package]]
 name = "srml-staking-reward-curve"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93123cc63eac37fed7a6cc6cc58e7e43d666ee03"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#a746d38d2b76da28e0e5fe77bad6c43ecc4d88c7"
 dependencies = [
  "proc-macro-crate 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "proc-macro2 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -4110,10 +4105,10 @@ dependencies = [
 [[package]]
 name = "srml-sudo"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93123cc63eac37fed7a6cc6cc58e7e43d666ee03"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#a746d38d2b76da28e0e5fe77bad6c43ecc4d88c7"
 dependencies = [
  "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.101 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.102 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-io 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
  "sr-primitives 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
  "sr-std 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
@@ -4124,7 +4119,7 @@ dependencies = [
 [[package]]
 name = "srml-support"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93123cc63eac37fed7a6cc6cc58e7e43d666ee03"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#a746d38d2b76da28e0e5fe77bad6c43ecc4d88c7"
 dependencies = [
  "bitmask 0.5.0 (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)",
@@ -4132,7 +4127,7 @@ dependencies = [
  "once_cell 0.2.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "paste 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.101 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.102 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-io 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
  "sr-primitives 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
  "sr-std 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
@@ -4145,7 +4140,7 @@ dependencies = [
 [[package]]
 name = "srml-support-procedural"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93123cc63eac37fed7a6cc6cc58e7e43d666ee03"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#a746d38d2b76da28e0e5fe77bad6c43ecc4d88c7"
 dependencies = [
  "proc-macro2 0.4.30 (registry+https://github.com/rust-lang/crates.io-index)",
  "quote 0.6.13 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -4157,7 +4152,7 @@ dependencies = [
 [[package]]
 name = "srml-support-procedural-tools"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93123cc63eac37fed7a6cc6cc58e7e43d666ee03"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#a746d38d2b76da28e0e5fe77bad6c43ecc4d88c7"
 dependencies = [
  "proc-macro-crate 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "proc-macro2 0.4.30 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -4169,7 +4164,7 @@ dependencies = [
 [[package]]
 name = "srml-support-procedural-tools-derive"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93123cc63eac37fed7a6cc6cc58e7e43d666ee03"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#a746d38d2b76da28e0e5fe77bad6c43ecc4d88c7"
 dependencies = [
  "proc-macro2 0.4.30 (registry+https://github.com/rust-lang/crates.io-index)",
  "quote 0.6.13 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -4179,12 +4174,12 @@ dependencies = [
 [[package]]
 name = "srml-system"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93123cc63eac37fed7a6cc6cc58e7e43d666ee03"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#a746d38d2b76da28e0e5fe77bad6c43ecc4d88c7"
 dependencies = [
  "impl-trait-for-tuples 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "safe-mix 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.101 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.102 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-io 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
  "sr-primitives 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
  "sr-std 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
@@ -4196,14 +4191,14 @@ dependencies = [
 [[package]]
 name = "srml-system-rpc"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93123cc63eac37fed7a6cc6cc58e7e43d666ee03"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#a746d38d2b76da28e0e5fe77bad6c43ecc4d88c7"
 dependencies = [
  "jsonrpc-core 13.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "jsonrpc-core-client 13.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "jsonrpc-derive 13.2.0 (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 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.101 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.102 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-primitives 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
  "srml-system-rpc-runtime-api 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
  "substrate-client 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
@@ -4214,7 +4209,7 @@ dependencies = [
 [[package]]
 name = "srml-system-rpc-runtime-api"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93123cc63eac37fed7a6cc6cc58e7e43d666ee03"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#a746d38d2b76da28e0e5fe77bad6c43ecc4d88c7"
 dependencies = [
  "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "substrate-client 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
@@ -4223,11 +4218,11 @@ dependencies = [
 [[package]]
 name = "srml-timestamp"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93123cc63eac37fed7a6cc6cc58e7e43d666ee03"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#a746d38d2b76da28e0e5fe77bad6c43ecc4d88c7"
 dependencies = [
  "impl-trait-for-tuples 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.101 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.102 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-primitives 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
  "sr-std 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
  "srml-support 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
@@ -4238,7 +4233,7 @@ dependencies = [
 [[package]]
 name = "srml-transaction-payment"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93123cc63eac37fed7a6cc6cc58e7e43d666ee03"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#a746d38d2b76da28e0e5fe77bad6c43ecc4d88c7"
 dependencies = [
  "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-primitives 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
@@ -4251,13 +4246,13 @@ dependencies = [
 [[package]]
 name = "srml-transaction-payment-rpc"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93123cc63eac37fed7a6cc6cc58e7e43d666ee03"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#a746d38d2b76da28e0e5fe77bad6c43ecc4d88c7"
 dependencies = [
  "jsonrpc-core 13.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "jsonrpc-core-client 13.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "jsonrpc-derive 13.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.101 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.102 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-primitives 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
  "srml-transaction-payment-rpc-runtime-api 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
  "substrate-client 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
@@ -4268,10 +4263,10 @@ dependencies = [
 [[package]]
 name = "srml-transaction-payment-rpc-runtime-api"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93123cc63eac37fed7a6cc6cc58e7e43d666ee03"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#a746d38d2b76da28e0e5fe77bad6c43ecc4d88c7"
 dependencies = [
  "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.101 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.102 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-primitives 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
  "sr-std 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
  "substrate-client 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
@@ -4280,10 +4275,10 @@ dependencies = [
 [[package]]
 name = "srml-treasury"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93123cc63eac37fed7a6cc6cc58e7e43d666ee03"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#a746d38d2b76da28e0e5fe77bad6c43ecc4d88c7"
 dependencies = [
  "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.101 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.102 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-primitives 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
  "sr-std 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
  "srml-balances 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
@@ -4301,6 +4296,11 @@ name = "static_assertions"
 version = "0.2.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
+[[package]]
+name = "static_assertions"
+version = "1.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
 [[package]]
 name = "static_slice"
 version = "0.0.3"
@@ -4367,10 +4367,10 @@ dependencies = [
 [[package]]
 name = "substrate-application-crypto"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93123cc63eac37fed7a6cc6cc58e7e43d666ee03"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#a746d38d2b76da28e0e5fe77bad6c43ecc4d88c7"
 dependencies = [
  "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.101 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.102 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-io 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
  "sr-std 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
  "substrate-primitives 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
@@ -4379,7 +4379,7 @@ dependencies = [
 [[package]]
 name = "substrate-authority-discovery"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93123cc63eac37fed7a6cc6cc58e7e43d666ee03"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#a746d38d2b76da28e0e5fe77bad6c43ecc4d88c7"
 dependencies = [
  "bytes 0.4.12 (registry+https://github.com/rust-lang/crates.io-index)",
  "derive_more 0.15.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -4401,7 +4401,7 @@ dependencies = [
 [[package]]
 name = "substrate-authority-discovery-primitives"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93123cc63eac37fed7a6cc6cc58e7e43d666ee03"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#a746d38d2b76da28e0e5fe77bad6c43ecc4d88c7"
 dependencies = [
  "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-primitives 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
@@ -4423,10 +4423,10 @@ dependencies = [
 [[package]]
 name = "substrate-chain-spec"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93123cc63eac37fed7a6cc6cc58e7e43d666ee03"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#a746d38d2b76da28e0e5fe77bad6c43ecc4d88c7"
 dependencies = [
  "impl-trait-for-tuples 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.101 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.102 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_json 1.0.41 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-primitives 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
  "substrate-chain-spec-derive 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
@@ -4438,7 +4438,7 @@ dependencies = [
 [[package]]
 name = "substrate-chain-spec-derive"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93123cc63eac37fed7a6cc6cc58e7e43d666ee03"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#a746d38d2b76da28e0e5fe77bad6c43ecc4d88c7"
 dependencies = [
  "proc-macro-crate 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "proc-macro2 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -4449,7 +4449,7 @@ dependencies = [
 [[package]]
 name = "substrate-cli"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93123cc63eac37fed7a6cc6cc58e7e43d666ee03"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#a746d38d2b76da28e0e5fe77bad6c43ecc4d88c7"
 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)",
@@ -4485,7 +4485,7 @@ dependencies = [
 [[package]]
 name = "substrate-client"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93123cc63eac37fed7a6cc6cc58e7e43d666ee03"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#a746d38d2b76da28e0e5fe77bad6c43ecc4d88c7"
 dependencies = [
  "derive_more 0.15.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "fnv 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -4515,7 +4515,7 @@ dependencies = [
 [[package]]
 name = "substrate-client-db"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93123cc63eac37fed7a6cc6cc58e7e43d666ee03"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#a746d38d2b76da28e0e5fe77bad6c43ecc4d88c7"
 dependencies = [
  "hash-db 0.15.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "kvdb 0.1.0 (git+https://github.com/paritytech/parity-common?rev=b0317f649ab2c665b7987b8475878fc4d2e1f81d)",
@@ -4539,7 +4539,7 @@ dependencies = [
 [[package]]
 name = "substrate-consensus-babe"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93123cc63eac37fed7a6cc6cc58e7e43d666ee03"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#a746d38d2b76da28e0e5fe77bad6c43ecc4d88c7"
 dependencies = [
  "derive_more 0.15.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "fork-tree 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
@@ -4577,7 +4577,7 @@ dependencies = [
 [[package]]
 name = "substrate-consensus-babe-primitives"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93123cc63eac37fed7a6cc6cc58e7e43d666ee03"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#a746d38d2b76da28e0e5fe77bad6c43ecc4d88c7"
 dependencies = [
  "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "schnorrkel 0.8.5 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -4591,7 +4591,7 @@ dependencies = [
 [[package]]
 name = "substrate-consensus-common"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93123cc63eac37fed7a6cc6cc58e7e43d666ee03"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#a746d38d2b76da28e0e5fe77bad6c43ecc4d88c7"
 dependencies = [
  "derive_more 0.15.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures-preview 0.3.0-alpha.19 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -4610,7 +4610,7 @@ dependencies = [
 [[package]]
 name = "substrate-consensus-slots"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93123cc63eac37fed7a6cc6cc58e7e43d666ee03"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#a746d38d2b76da28e0e5fe77bad6c43ecc4d88c7"
 dependencies = [
  "futures-preview 0.3.0-alpha.19 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures-timer 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -4628,7 +4628,7 @@ dependencies = [
 [[package]]
 name = "substrate-consensus-uncles"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93123cc63eac37fed7a6cc6cc58e7e43d666ee03"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#a746d38d2b76da28e0e5fe77bad6c43ecc4d88c7"
 dependencies = [
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-primitives 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
@@ -4642,7 +4642,7 @@ dependencies = [
 [[package]]
 name = "substrate-debug-derive"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93123cc63eac37fed7a6cc6cc58e7e43d666ee03"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#a746d38d2b76da28e0e5fe77bad6c43ecc4d88c7"
 dependencies = [
  "proc-macro2 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "quote 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -4652,11 +4652,11 @@ dependencies = [
 [[package]]
 name = "substrate-executor"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93123cc63eac37fed7a6cc6cc58e7e43d666ee03"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#a746d38d2b76da28e0e5fe77bad6c43ecc4d88c7"
 dependencies = [
  "derive_more 0.15.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "libsecp256k1 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libsecp256k1 0.3.2 (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 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-wasm 0.40.3 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -4676,7 +4676,7 @@ dependencies = [
 [[package]]
 name = "substrate-externalities"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93123cc63eac37fed7a6cc6cc58e7e43d666ee03"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#a746d38d2b76da28e0e5fe77bad6c43ecc4d88c7"
 dependencies = [
  "environmental 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "primitive-types 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -4687,9 +4687,9 @@ dependencies = [
 [[package]]
 name = "substrate-finality-grandpa"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93123cc63eac37fed7a6cc6cc58e7e43d666ee03"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#a746d38d2b76da28e0e5fe77bad6c43ecc4d88c7"
 dependencies = [
- "finality-grandpa 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "finality-grandpa 0.9.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "fork-tree 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
  "futures 0.1.29 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures-preview 0.3.0-alpha.19 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -4716,10 +4716,10 @@ dependencies = [
 [[package]]
 name = "substrate-finality-grandpa-primitives"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93123cc63eac37fed7a6cc6cc58e7e43d666ee03"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#a746d38d2b76da28e0e5fe77bad6c43ecc4d88c7"
 dependencies = [
  "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.101 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.102 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-primitives 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
  "sr-std 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
  "substrate-application-crypto 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
@@ -4729,7 +4729,7 @@ dependencies = [
 [[package]]
 name = "substrate-header-metadata"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93123cc63eac37fed7a6cc6cc58e7e43d666ee03"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#a746d38d2b76da28e0e5fe77bad6c43ecc4d88c7"
 dependencies = [
  "lru-cache 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "parking_lot 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -4739,7 +4739,7 @@ dependencies = [
 [[package]]
 name = "substrate-inherents"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93123cc63eac37fed7a6cc6cc58e7e43d666ee03"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#a746d38d2b76da28e0e5fe77bad6c43ecc4d88c7"
 dependencies = [
  "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "parking_lot 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -4750,7 +4750,7 @@ dependencies = [
 [[package]]
 name = "substrate-keyring"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93123cc63eac37fed7a6cc6cc58e7e43d666ee03"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#a746d38d2b76da28e0e5fe77bad6c43ecc4d88c7"
 dependencies = [
  "lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-primitives 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
@@ -4762,7 +4762,7 @@ dependencies = [
 [[package]]
 name = "substrate-keystore"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93123cc63eac37fed7a6cc6cc58e7e43d666ee03"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#a746d38d2b76da28e0e5fe77bad6c43ecc4d88c7"
 dependencies = [
  "derive_more 0.15.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "hex 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -4777,7 +4777,7 @@ dependencies = [
 [[package]]
 name = "substrate-network"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93123cc63eac37fed7a6cc6cc58e7e43d666ee03"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#a746d38d2b76da28e0e5fe77bad6c43ecc4d88c7"
 dependencies = [
  "bitflags 1.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "bytes 0.4.12 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -4798,11 +4798,11 @@ dependencies = [
  "parking_lot 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand 0.7.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "rustc-hex 2.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.101 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.102 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_json 1.0.41 (registry+https://github.com/rust-lang/crates.io-index)",
  "slog 2.5.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "slog_derive 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "smallvec 0.6.10 (registry+https://github.com/rust-lang/crates.io-index)",
+ "smallvec 0.6.11 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-primitives 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
  "substrate-client 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
  "substrate-consensus-babe-primitives 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
@@ -4819,7 +4819,7 @@ dependencies = [
 [[package]]
 name = "substrate-offchain"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93123cc63eac37fed7a6cc6cc58e7e43d666ee03"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#a746d38d2b76da28e0e5fe77bad6c43ecc4d88c7"
 dependencies = [
  "bytes 0.4.12 (registry+https://github.com/rust-lang/crates.io-index)",
  "fnv 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -4846,7 +4846,7 @@ dependencies = [
 [[package]]
 name = "substrate-offchain-primitives"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93123cc63eac37fed7a6cc6cc58e7e43d666ee03"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#a746d38d2b76da28e0e5fe77bad6c43ecc4d88c7"
 dependencies = [
  "sr-primitives 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
  "substrate-client 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
@@ -4855,7 +4855,7 @@ dependencies = [
 [[package]]
 name = "substrate-panic-handler"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93123cc63eac37fed7a6cc6cc58e7e43d666ee03"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#a746d38d2b76da28e0e5fe77bad6c43ecc4d88c7"
 dependencies = [
  "backtrace 0.3.40 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -4864,7 +4864,7 @@ dependencies = [
 [[package]]
 name = "substrate-peerset"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93123cc63eac37fed7a6cc6cc58e7e43d666ee03"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#a746d38d2b76da28e0e5fe77bad6c43ecc4d88c7"
 dependencies = [
  "futures-preview 0.3.0-alpha.19 (registry+https://github.com/rust-lang/crates.io-index)",
  "libp2p 0.12.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -4877,7 +4877,7 @@ dependencies = [
 [[package]]
 name = "substrate-phragmen"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93123cc63eac37fed7a6cc6cc58e7e43d666ee03"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#a746d38d2b76da28e0e5fe77bad6c43ecc4d88c7"
 dependencies = [
  "sr-primitives 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
  "sr-std 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
@@ -4886,7 +4886,7 @@ dependencies = [
 [[package]]
 name = "substrate-primitives"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93123cc63eac37fed7a6cc6cc58e7e43d666ee03"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#a746d38d2b76da28e0e5fe77bad6c43ecc4d88c7"
 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)",
@@ -4897,7 +4897,7 @@ dependencies = [
  "hex 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "impl-serde 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "libsecp256k1 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libsecp256k1 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "num-traits 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -4907,7 +4907,7 @@ dependencies = [
  "regex 1.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "rustc-hex 2.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "schnorrkel 0.8.5 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.101 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.102 (registry+https://github.com/rust-lang/crates.io-index)",
  "sha2 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-std 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
  "substrate-bip39 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -4924,10 +4924,10 @@ dependencies = [
 [[package]]
 name = "substrate-primitives-storage"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93123cc63eac37fed7a6cc6cc58e7e43d666ee03"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#a746d38d2b76da28e0e5fe77bad6c43ecc4d88c7"
 dependencies = [
  "impl-serde 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.101 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.102 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-std 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
  "substrate-debug-derive 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
 ]
@@ -4935,7 +4935,7 @@ dependencies = [
 [[package]]
 name = "substrate-rpc"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93123cc63eac37fed7a6cc6cc58e7e43d666ee03"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#a746d38d2b76da28e0e5fe77bad6c43ecc4d88c7"
 dependencies = [
  "futures-preview 0.3.0-alpha.19 (registry+https://github.com/rust-lang/crates.io-index)",
  "hash-db 0.15.2 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -4961,7 +4961,7 @@ dependencies = [
 [[package]]
 name = "substrate-rpc-api"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93123cc63eac37fed7a6cc6cc58e7e43d666ee03"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#a746d38d2b76da28e0e5fe77bad6c43ecc4d88c7"
 dependencies = [
  "derive_more 0.15.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures-preview 0.3.0-alpha.19 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -4972,7 +4972,7 @@ dependencies = [
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "parking_lot 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.101 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.102 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_json 1.0.41 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-version 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
  "substrate-primitives 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
@@ -4983,23 +4983,23 @@ dependencies = [
 [[package]]
 name = "substrate-rpc-primitives"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93123cc63eac37fed7a6cc6cc58e7e43d666ee03"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#a746d38d2b76da28e0e5fe77bad6c43ecc4d88c7"
 dependencies = [
- "serde 1.0.101 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.102 (registry+https://github.com/rust-lang/crates.io-index)",
  "substrate-primitives 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
 ]
 
 [[package]]
 name = "substrate-rpc-servers"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93123cc63eac37fed7a6cc6cc58e7e43d666ee03"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#a746d38d2b76da28e0e5fe77bad6c43ecc4d88c7"
 dependencies = [
  "jsonrpc-core 13.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "jsonrpc-http-server 13.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "jsonrpc-pubsub 13.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "jsonrpc-ws-server 13.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.101 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.102 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_json 1.0.41 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-primitives 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
 ]
@@ -5007,16 +5007,16 @@ dependencies = [
 [[package]]
 name = "substrate-serializer"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93123cc63eac37fed7a6cc6cc58e7e43d666ee03"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#a746d38d2b76da28e0e5fe77bad6c43ecc4d88c7"
 dependencies = [
- "serde 1.0.101 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.102 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_json 1.0.41 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "substrate-service"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93123cc63eac37fed7a6cc6cc58e7e43d666ee03"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#a746d38d2b76da28e0e5fe77bad6c43ecc4d88c7"
 dependencies = [
  "derive_more 0.15.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "exit-future 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -5027,7 +5027,7 @@ dependencies = [
  "parity-multiaddr 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "parking_lot 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.101 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.102 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_json 1.0.41 (registry+https://github.com/rust-lang/crates.io-index)",
  "slog 2.5.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-io 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
@@ -5056,7 +5056,7 @@ dependencies = [
 [[package]]
 name = "substrate-session"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93123cc63eac37fed7a6cc6cc58e7e43d666ee03"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#a746d38d2b76da28e0e5fe77bad6c43ecc4d88c7"
 dependencies = [
  "sr-primitives 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
  "sr-std 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
@@ -5067,7 +5067,7 @@ dependencies = [
 [[package]]
 name = "substrate-state-db"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93123cc63eac37fed7a6cc6cc58e7e43d666ee03"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#a746d38d2b76da28e0e5fe77bad6c43ecc4d88c7"
 dependencies = [
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -5078,7 +5078,7 @@ dependencies = [
 [[package]]
 name = "substrate-state-machine"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93123cc63eac37fed7a6cc6cc58e7e43d666ee03"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#a746d38d2b76da28e0e5fe77bad6c43ecc4d88c7"
 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)",
@@ -5097,7 +5097,7 @@ dependencies = [
 [[package]]
 name = "substrate-telemetry"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93123cc63eac37fed7a6cc6cc58e7e43d666ee03"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#a746d38d2b76da28e0e5fe77bad6c43ecc4d88c7"
 dependencies = [
  "bytes 0.4.12 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures 0.1.29 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -5107,11 +5107,11 @@ dependencies = [
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "parking_lot 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand 0.7.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.101 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.102 (registry+https://github.com/rust-lang/crates.io-index)",
  "slog 2.5.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "slog-async 2.3.0 (git+https://github.com/paritytech/slog-async)",
  "slog-json 2.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "slog-scope 4.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "slog-scope 4.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-io 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)",
  "void 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -5119,13 +5119,13 @@ dependencies = [
 [[package]]
 name = "substrate-transaction-graph"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93123cc63eac37fed7a6cc6cc58e7e43d666ee03"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#a746d38d2b76da28e0e5fe77bad6c43ecc4d88c7"
 dependencies = [
  "derive_more 0.15.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures-preview 0.3.0-alpha.19 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "parking_lot 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.101 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.102 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-primitives 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
  "substrate-primitives 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
 ]
@@ -5133,7 +5133,7 @@ dependencies = [
 [[package]]
 name = "substrate-transaction-pool"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93123cc63eac37fed7a6cc6cc58e7e43d666ee03"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#a746d38d2b76da28e0e5fe77bad6c43ecc4d88c7"
 dependencies = [
  "derive_more 0.15.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures-preview 0.3.0-alpha.19 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -5149,7 +5149,7 @@ dependencies = [
 [[package]]
 name = "substrate-trie"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93123cc63eac37fed7a6cc6cc58e7e43d666ee03"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#a746d38d2b76da28e0e5fe77bad6c43ecc4d88c7"
 dependencies = [
  "hash-db 0.15.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "memory-db 0.15.2 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -5162,13 +5162,13 @@ dependencies = [
 
 [[package]]
 name = "substrate-wasm-builder-runner"
-version = "1.0.3"
+version = "1.0.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "substrate-wasm-interface"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#93123cc63eac37fed7a6cc6cc58e7e43d666ee03"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#a746d38d2b76da28e0e5fe77bad6c43ecc4d88c7"
 dependencies = [
  "wasmi 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -5539,10 +5539,10 @@ dependencies = [
 
 [[package]]
 name = "toml"
-version = "0.5.3"
+version = "0.5.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "serde 1.0.101 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.102 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -5552,7 +5552,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "elastic-array 0.10.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "hash-db 0.15.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "hashbrown 0.6.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "hashbrown 0.6.2 (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)",
 ]
@@ -5595,12 +5595,13 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "uint"
-version = "0.8.1"
+version = "0.8.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "byteorder 1.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "crunchy 0.2.2 (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 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -5624,12 +5625,12 @@ name = "unicode-normalization"
 version = "0.1.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "smallvec 0.6.10 (registry+https://github.com/rust-lang/crates.io-index)",
+ "smallvec 0.6.11 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "unicode-segmentation"
-version = "1.3.0"
+version = "1.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
@@ -5728,16 +5729,16 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "wasm-bindgen"
-version = "0.2.51"
+version = "0.2.53"
 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)",
- "wasm-bindgen-macro 0.2.51 (registry+https://github.com/rust-lang/crates.io-index)",
+ "wasm-bindgen-macro 0.2.53 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "wasm-bindgen-backend"
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 "checksum wasmi 0.4.5 (registry+https://github.com/rust-lang/crates.io-index)" = "aebbaef470840d157a5c47c8c49f024da7b1b80e90ff729ca982b2b80447e78b"
 "checksum wasmi 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)" = "f31d26deb2d9a37e6cfed420edce3ed604eab49735ba89035e13c98f9a528313"
 "checksum wasmi-validation 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "ab380192444b3e8522ae79c0a1976e42a82920916ccdfbce3def89f456ea33f3"
 "checksum wasmi-validation 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "6bc0356e3df56e639fc7f7d8a99741915531e27ed735d911ed83d7e1339c8188"
-"checksum web-sys 0.3.28 (registry+https://github.com/rust-lang/crates.io-index)" = "c84440699cd02ca23bed6f045ffb1497bc18a3c2628bd13e2093186faaaacf6b"
+"checksum web-sys 0.3.30 (registry+https://github.com/rust-lang/crates.io-index)" = "0232f38e5c66384edaedaa726ae2d6313e3ed3ae860693c497a3193af3e161ce"
 "checksum webpki 0.19.1 (registry+https://github.com/rust-lang/crates.io-index)" = "4f7e1cd7900a3a6b65a3e8780c51a3e6b59c0e2c55c6dc69578c288d69f7d082"
 "checksum webpki-roots 0.16.0 (registry+https://github.com/rust-lang/crates.io-index)" = "c10fa4212003ba19a564f25cd8ab572c6791f99a03cc219c13ed35ccab00de0e"
 "checksum weedle 0.10.0 (registry+https://github.com/rust-lang/crates.io-index)" = "3bb43f70885151e629e2a19ce9e50bd730fd436cfd4b666894c9ce4de9141164"
diff --git a/Cargo.toml b/Cargo.toml
index 11cf51c06f00..4dbd7be51972 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -4,7 +4,7 @@ path = "src/main.rs"
 
 [package]
 name = "polkadot"
-version = "0.6.5"
+version = "0.6.6"
 authors = ["Parity Technologies <admin@parity.io>"]
 build = "build.rs"
 edition = "2018"
diff --git a/availability-store/Cargo.toml b/availability-store/Cargo.toml
index 433cbbbe5ca1..6d5f2275378e 100644
--- a/availability-store/Cargo.toml
+++ b/availability-store/Cargo.toml
@@ -1,7 +1,7 @@
 [package]
 name = "polkadot-availability-store"
 description = "Persistent database for parachain data"
-version = "0.6.5"
+version = "0.6.6"
 authors = ["Parity Technologies <admin@parity.io>"]
 edition = "2018"
 
diff --git a/cli/Cargo.toml b/cli/Cargo.toml
index 235c63f594cb..ecc22a17d519 100644
--- a/cli/Cargo.toml
+++ b/cli/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "polkadot-cli"
-version = "0.6.5"
+version = "0.6.6"
 authors = ["Parity Technologies <admin@parity.io>"]
 description = "Polkadot node implementation in Rust."
 edition = "2018"
diff --git a/collator/Cargo.toml b/collator/Cargo.toml
index a67d6a59b0d5..d5c25758e5b4 100644
--- a/collator/Cargo.toml
+++ b/collator/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "polkadot-collator"
-version = "0.6.5"
+version = "0.6.6"
 authors = ["Parity Technologies <admin@parity.io>"]
 description = "Collator node implementation"
 edition = "2018"
diff --git a/erasure-coding/Cargo.toml b/erasure-coding/Cargo.toml
index 2b43dc48c001..4137ac497bd2 100644
--- a/erasure-coding/Cargo.toml
+++ b/erasure-coding/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "polkadot-erasure-coding"
-version = "0.6.5"
+version = "0.6.6"
 authors = ["Parity Technologies <admin@parity.io>"]
 edition = "2018"
 
diff --git a/executor/Cargo.toml b/executor/Cargo.toml
index a450cf8a90b3..d60f5fc5962f 100644
--- a/executor/Cargo.toml
+++ b/executor/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "polkadot-executor"
-version = "0.6.5"
+version = "0.6.6"
 authors = ["Parity Technologies <admin@parity.io>"]
 description = "Polkadot node implementation in Rust."
 edition = "2018"
diff --git a/network/Cargo.toml b/network/Cargo.toml
index c513d752ee60..97e3692fb216 100644
--- a/network/Cargo.toml
+++ b/network/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "polkadot-network"
-version = "0.6.5"
+version = "0.6.6"
 authors = ["Parity Technologies <admin@parity.io>"]
 description = "Polkadot-specific networking protocol"
 edition = "2018"
diff --git a/network/src/tests/validation.rs b/network/src/tests/validation.rs
index 89d17be8f636..bf2fa74dcf47 100644
--- a/network/src/tests/validation.rs
+++ b/network/src/tests/validation.rs
@@ -34,7 +34,7 @@ use polkadot_primitives::parachain::{
 };
 use parking_lot::Mutex;
 use substrate_client::error::Result as ClientResult;
-use substrate_client::runtime_api::{Core, RuntimeVersion, ApiExt};
+use substrate_client::runtime_api::{Core, RuntimeVersion, StorageProof, ApiExt};
 use sr_primitives::traits::{ApiRef, ProvideRuntimeApi};
 
 use std::collections::HashMap;
@@ -244,7 +244,7 @@ impl ApiExt<Block> for RuntimeApi {
 
 	fn record_proof(&mut self) { }
 
-	fn extract_proof(&mut self) -> Option<Vec<Vec<u8>>> {
+	fn extract_proof(&mut self) -> Option<StorageProof> {
 		None
 	}
 }
diff --git a/parachain/Cargo.toml b/parachain/Cargo.toml
index b3963dc111ed..8f04b7360b78 100644
--- a/parachain/Cargo.toml
+++ b/parachain/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "polkadot-parachain"
-version = "0.6.5"
+version = "0.6.6"
 authors = ["Parity Technologies <admin@parity.io>"]
 description = "Types and utilities for creating and working with parachains"
 edition = "2018"
diff --git a/primitives/Cargo.toml b/primitives/Cargo.toml
index 4156661de61a..04b532486acd 100644
--- a/primitives/Cargo.toml
+++ b/primitives/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "polkadot-primitives"
-version = "0.6.5"
+version = "0.6.6"
 authors = ["Parity Technologies <admin@parity.io>"]
 edition = "2018"
 
diff --git a/rpc/Cargo.toml b/rpc/Cargo.toml
index 7e4eabe9181c..0c8013ea8d00 100644
--- a/rpc/Cargo.toml
+++ b/rpc/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "polkadot-rpc"
-version = "0.6.5"
+version = "0.6.6"
 authors = ["Parity Technologies <admin@parity.io>"]
 edition = "2018"
 
diff --git a/runtime/Cargo.toml b/runtime/Cargo.toml
index 95a9247ba661..cebef1ae598e 100644
--- a/runtime/Cargo.toml
+++ b/runtime/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "polkadot-runtime"
-version = "0.6.5"
+version = "0.6.6"
 authors = ["Parity Technologies <admin@parity.io>"]
 edition = "2018"
 build = "build.rs"
diff --git a/runtime/src/lib.rs b/runtime/src/lib.rs
index 5c0e16ccc1b5..530a4b752461 100644
--- a/runtime/src/lib.rs
+++ b/runtime/src/lib.rs
@@ -99,7 +99,7 @@ pub const VERSION: RuntimeVersion = RuntimeVersion {
 	spec_name: create_runtime_str!("kusama"),
 	impl_name: create_runtime_str!("parity-kusama"),
 	authoring_version: 1,
-	spec_version: 1008,
+	spec_version: 1010,
 	impl_version: 0,
 	apis: RUNTIME_API_VERSIONS,
 };
@@ -247,7 +247,7 @@ impl authorship::Trait for Runtime {
 	type FindAuthor = session::FindAccountFromAuthorIndex<Self, Babe>;
 	type UncleGenerations = UncleGenerations;
 	type FilterUncle = ();
-	type EventHandler = Staking;
+	type EventHandler = (Staking, ImOnline);
 }
 
 parameter_types! {
diff --git a/service/Cargo.toml b/service/Cargo.toml
index 056941623fd1..dfbf36c6f549 100644
--- a/service/Cargo.toml
+++ b/service/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "polkadot-service"
-version = "0.6.5"
+version = "0.6.6"
 authors = ["Parity Technologies <admin@parity.io>"]
 edition = "2018"
 
diff --git a/service/src/lib.rs b/service/src/lib.rs
index 451a046de392..29d28c84fdaa 100644
--- a/service/src/lib.rs
+++ b/service/src/lib.rs
@@ -32,7 +32,7 @@ use inherents::InherentDataProviders;
 use log::info;
 pub use service::{AbstractService, Roles, PruningMode, TransactionPoolOptions, Error};
 pub use service::{ServiceBuilderExport, ServiceBuilderImport, ServiceBuilderRevert};
-pub use service::config::full_version_from_strs;
+pub use service::config::{DatabaseConfig, full_version_from_strs};
 pub use client::{backend::Backend, runtime_api::{Core as CoreApi, ConstructRuntimeApi}, ExecutionStrategy, CallExecutor};
 pub use consensus_common::SelectChain;
 pub use polkadot_network::{PolkadotProtocol};
@@ -146,7 +146,11 @@ pub fn new_full(config: Configuration<CustomConfiguration, GenesisConfig>)
 	let is_authority = config.roles.is_authority() && !is_collator;
 	let force_authoring = config.force_authoring;
 	let max_block_data_size = config.custom.max_block_data_size;
-	let db_path = config.database_path.clone();
+	let db_path = if let DatabaseConfig::Path { ref path, .. } = config.database {
+		path.clone()
+	} else {
+		return Err("Starting a Polkadot service with a custom database isn't supported".to_string().into());
+	};
 	let disable_grandpa = config.disable_grandpa;
 	let name = config.name.clone();
 
diff --git a/statement-table/Cargo.toml b/statement-table/Cargo.toml
index 6ac44e56570b..36affd3f068e 100644
--- a/statement-table/Cargo.toml
+++ b/statement-table/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "polkadot-statement-table"
-version = "0.6.5"
+version = "0.6.6"
 authors = ["Parity Technologies <admin@parity.io>"]
 edition = "2018"
 
diff --git a/test-parachains/adder/Cargo.toml b/test-parachains/adder/Cargo.toml
index 02c50eb3fc94..506acf6e5e60 100644
--- a/test-parachains/adder/Cargo.toml
+++ b/test-parachains/adder/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "adder"
-version = "0.6.5"
+version = "0.6.6"
 authors = ["Parity Technologies <admin@parity.io>"]
 description = "Test parachain which adds to a number as its state transition"
 edition = "2018"
diff --git a/test-parachains/halt/Cargo.toml b/test-parachains/halt/Cargo.toml
index 4ebc4e543410..031b2a408810 100644
--- a/test-parachains/halt/Cargo.toml
+++ b/test-parachains/halt/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "halt"
-version = "0.6.5"
+version = "0.6.6"
 authors = ["Parity Technologies <admin@parity.io>"]
 description = "Test parachain which executes forever"
 edition = "2018"
diff --git a/validation/Cargo.toml b/validation/Cargo.toml
index 0ca12af81112..27b13968a72b 100644
--- a/validation/Cargo.toml
+++ b/validation/Cargo.toml
@@ -1,6 +1,6 @@
 [package]
 name = "polkadot-validation"
-version = "0.6.5"
+version = "0.6.6"
 authors = ["Parity Technologies <admin@parity.io>"]
 edition = "2018"