diff --git a/Cargo.lock b/Cargo.lock
index e3c13cd1c18..4d4f0043c6a 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -124,7 +124,7 @@ version = "0.1.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "quote 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "syn 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 1.0.7 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -157,7 +157,7 @@ name = "backtrace-sys"
 version = "0.1.32"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "cc 1.0.46 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cc 1.0.47 (registry+https://github.com/rust-lang/crates.io-index)",
  "libc 0.2.65 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -180,7 +180,7 @@ version = "0.47.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "bitflags 1.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "cexpr 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cexpr 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "cfg-if 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
  "clang-sys 0.26.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "clap 2.33.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -286,7 +286,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "byte-slice-cast"
-version = "0.3.2"
+version = "0.3.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
@@ -334,16 +334,16 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "cc"
-version = "1.0.46"
+version = "1.0.47"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "jobserver 0.1.17 (registry+https://github.com/rust-lang/crates.io-index)",
- "num_cpus 1.10.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "num_cpus 1.11.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "cexpr"
-version = "0.3.5"
+version = "0.3.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "nom 4.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -394,7 +394,7 @@ name = "clear_on_drop"
 version = "0.2.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "cc 1.0.46 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cc 1.0.47 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -476,7 +476,7 @@ dependencies = [
  "cfg-if 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
  "crossbeam-utils 0.6.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "memoffset 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "memoffset 0.5.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "scopeguard 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -592,13 +592,27 @@ dependencies = [
  "tokio 0.1.22 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "cumulus-network"
+version = "0.1.0"
+dependencies = [
+ "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "polkadot-network 0.6.0 (git+https://github.com/paritytech/polkadot?branch=bkchr-cumulus-branch)",
+ "polkadot-primitives 0.6.0 (git+https://github.com/paritytech/polkadot?branch=bkchr-cumulus-branch)",
+ "polkadot-statement-table 0.6.0 (git+https://github.com/paritytech/polkadot?branch=bkchr-cumulus-branch)",
+ "polkadot-validation 0.6.0 (git+https://github.com/paritytech/polkadot?branch=bkchr-cumulus-branch)",
+ "sr-primitives 2.0.0 (git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch)",
+ "substrate-client 2.0.0 (git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch)",
+ "substrate-consensus-common 2.0.0 (git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch)",
+]
+
 [[package]]
 name = "cumulus-runtime"
 version = "0.1.0"
 dependencies = [
  "cumulus-test-client 0.1.0",
  "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 0.6.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "memory-db 0.15.2 (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 0.6.0 (git+https://github.com/paritytech/polkadot?branch=bkchr-cumulus-branch)",
@@ -669,7 +683,7 @@ dependencies = [
  "cumulus-runtime 0.1.0",
  "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=bkchr-cumulus-branch)",
  "sr-primitives 2.0.0 (git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch)",
  "sr-std 2.0.0 (git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch)",
@@ -687,7 +701,7 @@ dependencies = [
  "substrate-offchain-primitives 2.0.0 (git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch)",
  "substrate-primitives 2.0.0 (git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch)",
  "substrate-session 2.0.0 (git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch)",
- "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]]
@@ -696,7 +710,7 @@ version = "0.1.0"
 dependencies = [
  "cumulus-runtime 0.1.0",
  "substrate-test-runtime 2.0.0 (git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch)",
- "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]]
@@ -849,7 +863,7 @@ 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]]
@@ -877,8 +891,8 @@ 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)",
  "quote 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "syn 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
- "synstructure 0.12.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 1.0.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "synstructure 0.12.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -900,7 +914,7 @@ 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)",
- "hashbrown 0.6.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "hashbrown 0.6.3 (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)",
@@ -934,7 +948,7 @@ 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)",
 ]
 
@@ -1019,7 +1033,7 @@ version = "0.1.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "futures 0.1.29 (registry+https://github.com/rust-lang/crates.io-index)",
- "num_cpus 1.10.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "num_cpus 1.11.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1029,7 +1043,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "futures-core-preview 0.3.0-alpha.19 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures-util-preview 0.3.0-alpha.19 (registry+https://github.com/rust-lang/crates.io-index)",
- "num_cpus 1.10.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "num_cpus 1.11.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1124,7 +1138,7 @@ 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)",
@@ -1190,7 +1204,7 @@ dependencies = [
 
 [[package]]
 name = "hashbrown"
-version = "0.6.1"
+version = "0.6.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "ahash 0.2.17 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1210,7 +1224,15 @@ 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 1.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "hermit-abi"
+version = "0.1.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "libc 0.2.65 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1371,7 +1393,7 @@ 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)",
@@ -1379,20 +1401,20 @@ dependencies = [
 
 [[package]]
 name = "impl-serde"
-version = "0.2.2"
+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]]
 name = "impl-trait-for-tuples"
-version = "0.1.2"
+version = "0.1.3"
 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)",
  "quote 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "syn 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 1.0.7 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1428,7 +1450,7 @@ 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)",
@@ -1444,17 +1466,17 @@ 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]]
@@ -1467,7 +1489,7 @@ 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)",
 ]
@@ -1479,8 +1501,8 @@ 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)",
 ]
 
@@ -1525,7 +1547,7 @@ 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]]
@@ -1538,7 +1560,7 @@ dependencies = [
  "jsonrpc-core 13.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
- "num_cpus 1.10.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "num_cpus 1.11.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio 0.1.22 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-codec 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "unicase 2.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1617,7 +1639,7 @@ dependencies = [
  "interleaved-ordered 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "kvdb 0.1.0 (git+https://github.com/paritytech/parity-common?rev=616b40150ded71f57f650067fcbc5c99d7c343e6)",
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
- "num_cpus 1.10.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "num_cpus 1.11.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "parking_lot 0.6.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "regex 1.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "rocksdb 0.10.1 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1633,7 +1655,7 @@ dependencies = [
  "interleaved-ordered 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "kvdb 0.1.0 (git+https://github.com/paritytech/parity-common?rev=b0317f649ab2c665b7987b8475878fc4d2e1f81d)",
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
- "num_cpus 1.10.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "num_cpus 1.11.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "parking_lot 0.6.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "regex 1.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "rocksdb 0.11.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1659,7 +1681,7 @@ name = "libloading"
 version = "0.5.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "cc 1.0.46 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cc 1.0.47 (registry+https://github.com/rust-lang/crates.io-index)",
  "winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -1694,7 +1716,7 @@ 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 0.6.13 (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)",
@@ -1726,7 +1748,7 @@ 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 0.6.13 (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)",
@@ -1781,7 +1803,7 @@ 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 0.6.13 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-io 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -1797,7 +1819,7 @@ 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 0.6.13 (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)",
@@ -1823,10 +1845,10 @@ 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 0.6.13 (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)",
@@ -1846,7 +1868,7 @@ 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 0.6.13 (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)",
@@ -1941,7 +1963,7 @@ 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)",
@@ -1954,9 +1976,9 @@ 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]]
@@ -1966,7 +1988,7 @@ 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 0.6.13 (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)",
@@ -2005,11 +2027,11 @@ 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)",
 ]
 
@@ -2049,7 +2071,7 @@ version = "5.18.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "bindgen 0.47.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "cc 1.0.46 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cc 1.0.47 (registry+https://github.com/rust-lang/crates.io-index)",
  "glob 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)",
  "libc 0.2.65 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -2086,9 +2108,9 @@ name = "libz-sys"
 version = "1.0.25"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "cc 1.0.46 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cc 1.0.47 (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)",
+ "pkg-config 0.3.17 (registry+https://github.com/rust-lang/crates.io-index)",
  "vcpkg 0.2.7 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -2160,8 +2182,8 @@ version = "0.1.1"
 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)",
- "syn 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
- "synstructure 0.12.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 1.0.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "synstructure 0.12.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -2169,6 +2191,11 @@ name = "matches"
 version = "0.1.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
+[[package]]
+name = "maybe-uninit"
+version = "2.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
 [[package]]
 name = "memchr"
 version = "2.2.1"
@@ -2176,7 +2203,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "memoffset"
-version = "0.5.1"
+version = "0.5.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "rustc_version 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2188,8 +2215,8 @@ 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 0.6.3 (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]]
@@ -2218,7 +2245,7 @@ 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)",
@@ -2286,7 +2313,7 @@ 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 0.6.13 (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)",
 ]
@@ -2311,8 +2338,8 @@ dependencies = [
  "openssl-probe 0.1.2 (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)",
+ "security-framework 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "security-framework-sys 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "tempfile 3.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -2345,7 +2372,7 @@ version = "0.14.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "bitflags 1.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "cc 1.0.46 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cc 1.0.47 (registry+https://github.com/rust-lang/crates.io-index)",
  "cfg-if 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
  "libc 0.2.65 (registry+https://github.com/rust-lang/crates.io-index)",
  "void 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2418,9 +2445,10 @@ dependencies = [
 
 [[package]]
 name = "num_cpus"
-version = "1.10.1"
+version = "1.11.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
+ "hermit-abi 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "libc 0.2.65 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -2475,9 +2503,9 @@ version = "0.9.52"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "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)",
+ "cc 1.0.47 (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)",
+ "pkg-config 0.3.17 (registry+https://github.com/rust-lang/crates.io-index)",
  "vcpkg 0.2.7 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -2511,7 +2539,7 @@ 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)",
 ]
@@ -2537,9 +2565,9 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "arrayvec 0.4.12 (registry+https://github.com/rust-lang/crates.io-index)",
  "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)",
+ "byte-slice-cast 0.3.3 (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]]
@@ -2560,7 +2588,7 @@ 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)",
@@ -2627,7 +2655,7 @@ 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 0.6.13 (registry+https://github.com/rust-lang/crates.io-index)",
  "winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -2639,7 +2667,7 @@ 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 0.6.13 (registry+https://github.com/rust-lang/crates.io-index)",
  "winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -2654,7 +2682,7 @@ 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 0.6.13 (registry+https://github.com/rust-lang/crates.io-index)",
  "winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -2668,7 +2696,7 @@ 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 0.6.13 (registry+https://github.com/rust-lang/crates.io-index)",
  "winapi 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -2689,7 +2717,7 @@ dependencies = [
  "proc-macro-hack 0.5.11 (registry+https://github.com/rust-lang/crates.io-index)",
  "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)",
- "syn 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 1.0.7 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -2736,7 +2764,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "pkg-config"
-version = "0.3.16"
+version = "0.3.17"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
@@ -2828,7 +2856,7 @@ 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 0.7.1 (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=bkchr-cumulus-branch)",
  "substrate-executor 2.0.0 (git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch)",
@@ -2845,7 +2873,7 @@ 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 0.6.0 (git+https://github.com/paritytech/polkadot?branch=bkchr-cumulus-branch)",
- "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=bkchr-cumulus-branch)",
  "sr-std 2.0.0 (git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch)",
  "sr-version 2.0.0 (git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch)",
@@ -2867,8 +2895,8 @@ dependencies = [
  "polkadot-primitives 0.6.0 (git+https://github.com/paritytech/polkadot?branch=bkchr-cumulus-branch)",
  "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)",
  "sr-io 2.0.0 (git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch)",
  "sr-primitives 2.0.0 (git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch)",
  "sr-staking-primitives 2.0.0 (git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch)",
@@ -2906,7 +2934,7 @@ dependencies = [
  "substrate-primitives 2.0.0 (git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch)",
  "substrate-serializer 2.0.0 (git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch)",
  "substrate-session 2.0.0 (git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch)",
- "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]]
@@ -3005,9 +3033,9 @@ 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-serde 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "uint 0.8.1 (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 0.8.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -3015,7 +3043,7 @@ 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 0.5.5 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -3025,7 +3053,7 @@ 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)",
  "quote 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "syn 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 1.0.7 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -3035,7 +3063,7 @@ 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)",
  "quote 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "syn 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 1.0.7 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -3071,7 +3099,7 @@ 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)",
@@ -3087,7 +3115,7 @@ 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)",
@@ -3184,7 +3212,7 @@ 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)",
@@ -3227,7 +3255,7 @@ 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]]
@@ -3313,7 +3341,7 @@ dependencies = [
  "crossbeam-queue 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "crossbeam-utils 0.6.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "num_cpus 1.10.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "num_cpus 1.11.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -3358,7 +3386,7 @@ name = "ring"
 version = "0.14.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "cc 1.0.46 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cc 1.0.47 (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)",
  "spin 0.5.2 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -3498,18 +3526,18 @@ dependencies = [
 
 [[package]]
 name = "security-framework"
-version = "0.3.1"
+version = "0.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "core-foundation 0.6.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "core-foundation-sys 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "libc 0.2.65 (registry+https://github.com/rust-lang/crates.io-index)",
- "security-framework-sys 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "security-framework-sys 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "security-framework-sys"
-version = "0.3.1"
+version = "0.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "core-foundation-sys 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -3535,20 +3563,20 @@ 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)",
  "quote 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "syn 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 1.0.7 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -3558,7 +3586,7 @@ 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]]
@@ -3667,14 +3695,14 @@ 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)",
@@ -3694,8 +3722,11 @@ dependencies = [
 
 [[package]]
 name = "smallvec"
-version = "0.6.10"
+version = "0.6.13"
 source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "maybe-uninit 2.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
+]
 
 [[package]]
 name = "snow"
@@ -3709,7 +3740,7 @@ 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 0.6.13 (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)",
 ]
@@ -3728,7 +3759,7 @@ 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 0.6.13 (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)",
 ]
@@ -3763,7 +3794,7 @@ 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=bkchr-cumulus-branch)",
 ]
 
@@ -3789,12 +3820,12 @@ name = "sr-primitives"
 version = "2.0.0"
 source = "git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch#2866a0d840cf454ebabe8fe96a32c3376d0fc786"
 dependencies = [
- "impl-trait-for-tuples 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "impl-trait-for-tuples 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-scale-codec 1.0.6 (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=bkchr-cumulus-branch)",
  "sr-io 2.0.0 (git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch)",
  "sr-std 2.0.0 (git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch)",
@@ -3825,9 +3856,9 @@ name = "sr-version"
 version = "2.0.0"
 source = "git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch#2866a0d840cf454ebabe8fe96a32c3376d0fc786"
 dependencies = [
- "impl-serde 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "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=bkchr-cumulus-branch)",
  "sr-std 2.0.0 (git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch)",
 ]
@@ -3838,7 +3869,7 @@ version = "0.1.0"
 source = "git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch#2866a0d840cf454ebabe8fe96a32c3376d0fc786"
 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=bkchr-cumulus-branch)",
  "sr-primitives 2.0.0 (git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch)",
  "sr-std 2.0.0 (git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch)",
@@ -3854,7 +3885,7 @@ name = "srml-authorship"
 version = "0.1.0"
 source = "git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch#2866a0d840cf454ebabe8fe96a32c3376d0fc786"
 dependencies = [
- "impl-trait-for-tuples 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "impl-trait-for-tuples 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-io 2.0.0 (git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch)",
  "sr-primitives 2.0.0 (git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch)",
@@ -3872,7 +3903,7 @@ source = "git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branc
 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=bkchr-cumulus-branch)",
  "sr-primitives 2.0.0 (git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch)",
  "sr-staking-primitives 2.0.0 (git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch)",
@@ -3892,7 +3923,7 @@ source = "git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branc
 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=bkchr-cumulus-branch)",
  "sr-std 2.0.0 (git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch)",
  "srml-support 2.0.0 (git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch)",
@@ -3907,7 +3938,7 @@ source = "git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branc
 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=bkchr-cumulus-branch)",
  "sr-primitives 2.0.0 (git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch)",
  "sr-std 2.0.0 (git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch)",
@@ -3923,7 +3954,7 @@ source = "git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branc
 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=bkchr-cumulus-branch)",
  "sr-primitives 2.0.0 (git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch)",
  "sr-std 2.0.0 (git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch)",
@@ -3938,7 +3969,7 @@ source = "git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branc
 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=bkchr-cumulus-branch)",
  "sr-primitives 2.0.0 (git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch)",
  "sr-std 2.0.0 (git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch)",
@@ -3953,7 +3984,7 @@ version = "2.0.0"
 source = "git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch#2866a0d840cf454ebabe8fe96a32c3376d0fc786"
 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=bkchr-cumulus-branch)",
  "sr-primitives 2.0.0 (git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch)",
  "sr-std 2.0.0 (git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch)",
@@ -3966,9 +3997,9 @@ name = "srml-finality-tracker"
 version = "2.0.0"
 source = "git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch#2866a0d840cf454ebabe8fe96a32c3376d0fc786"
 dependencies = [
- "impl-trait-for-tuples 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "impl-trait-for-tuples 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "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=bkchr-cumulus-branch)",
  "sr-std 2.0.0 (git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch)",
  "srml-support 2.0.0 (git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch)",
@@ -3982,7 +4013,7 @@ version = "2.0.0"
 source = "git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch#2866a0d840cf454ebabe8fe96a32c3376d0fc786"
 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=bkchr-cumulus-branch)",
  "sr-staking-primitives 2.0.0 (git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch)",
  "sr-std 2.0.0 (git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch)",
@@ -4000,7 +4031,7 @@ version = "0.1.0"
 source = "git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch#2866a0d840cf454ebabe8fe96a32c3376d0fc786"
 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=bkchr-cumulus-branch)",
  "sr-primitives 2.0.0 (git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch)",
  "sr-staking-primitives 2.0.0 (git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch)",
@@ -4019,7 +4050,7 @@ source = "git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branc
 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=bkchr-cumulus-branch)",
  "sr-primitives 2.0.0 (git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch)",
  "sr-std 2.0.0 (git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch)",
@@ -4035,7 +4066,7 @@ version = "2.0.0"
 source = "git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch#2866a0d840cf454ebabe8fe96a32c3376d0fc786"
 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=bkchr-cumulus-branch)",
  "sr-primitives 2.0.0 (git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch)",
  "sr-std 2.0.0 (git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch)",
@@ -4049,7 +4080,7 @@ version = "2.0.0"
 source = "git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch#2866a0d840cf454ebabe8fe96a32c3376d0fc786"
 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=bkchr-cumulus-branch)",
  "substrate-primitives 2.0.0 (git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch)",
 ]
@@ -4060,7 +4091,7 @@ version = "1.0.0"
 source = "git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch#2866a0d840cf454ebabe8fe96a32c3376d0fc786"
 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=bkchr-cumulus-branch)",
  "sr-staking-primitives 2.0.0 (git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch)",
  "sr-std 2.0.0 (git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch)",
@@ -4087,10 +4118,10 @@ name = "srml-session"
 version = "2.0.0"
 source = "git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch#2866a0d840cf454ebabe8fe96a32c3376d0fc786"
 dependencies = [
- "impl-trait-for-tuples 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "impl-trait-for-tuples 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "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=bkchr-cumulus-branch)",
  "sr-primitives 2.0.0 (git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch)",
  "sr-staking-primitives 2.0.0 (git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch)",
@@ -4108,7 +4139,7 @@ source = "git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branc
 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=bkchr-cumulus-branch)",
  "sr-primitives 2.0.0 (git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch)",
  "sr-staking-primitives 2.0.0 (git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch)",
@@ -4129,7 +4160,7 @@ 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)",
  "quote 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "syn 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 1.0.7 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -4138,7 +4169,7 @@ version = "2.0.0"
 source = "git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch#2866a0d840cf454ebabe8fe96a32c3376d0fc786"
 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=bkchr-cumulus-branch)",
  "sr-primitives 2.0.0 (git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch)",
  "sr-std 2.0.0 (git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch)",
@@ -4152,11 +4183,11 @@ version = "2.0.0"
 source = "git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch#2866a0d840cf454ebabe8fe96a32c3376d0fc786"
 dependencies = [
  "bitmask 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "impl-trait-for-tuples 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "impl-trait-for-tuples 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "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=bkchr-cumulus-branch)",
  "sr-primitives 2.0.0 (git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch)",
  "sr-std 2.0.0 (git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch)",
@@ -4205,10 +4236,10 @@ name = "srml-system"
 version = "2.0.0"
 source = "git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch#2866a0d840cf454ebabe8fe96a32c3376d0fc786"
 dependencies = [
- "impl-trait-for-tuples 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "impl-trait-for-tuples 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "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=bkchr-cumulus-branch)",
  "sr-primitives 2.0.0 (git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch)",
  "sr-std 2.0.0 (git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch)",
@@ -4231,9 +4262,9 @@ name = "srml-timestamp"
 version = "2.0.0"
 source = "git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch#2866a0d840cf454ebabe8fe96a32c3376d0fc786"
 dependencies = [
- "impl-trait-for-tuples 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "impl-trait-for-tuples 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "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=bkchr-cumulus-branch)",
  "sr-std 2.0.0 (git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch)",
  "srml-support 2.0.0 (git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch)",
@@ -4259,7 +4290,7 @@ version = "2.0.0"
 source = "git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch#2866a0d840cf454ebabe8fe96a32c3376d0fc786"
 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=bkchr-cumulus-branch)",
  "sr-std 2.0.0 (git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch)",
  "srml-balances 2.0.0 (git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch)",
@@ -4277,6 +4308,11 @@ name = "static_assertions"
 version = "0.2.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
+[[package]]
+name = "static_assertions"
+version = "1.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
 [[package]]
 name = "static_slice"
 version = "0.0.3"
@@ -4321,7 +4357,7 @@ dependencies = [
  "proc-macro-error 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "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)",
- "syn 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 1.0.7 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -4346,7 +4382,7 @@ version = "2.0.0"
 source = "git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch#2866a0d840cf454ebabe8fe96a32c3376d0fc786"
 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=bkchr-cumulus-branch)",
  "sr-std 2.0.0 (git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch)",
  "substrate-primitives 2.0.0 (git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch)",
@@ -4418,8 +4454,8 @@ name = "substrate-chain-spec"
 version = "2.0.0"
 source = "git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch#2866a0d840cf454ebabe8fe96a32c3376d0fc786"
 dependencies = [
- "impl-trait-for-tuples 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.101 (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)",
+ "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=bkchr-cumulus-branch)",
  "substrate-chain-spec-derive 2.0.0 (git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch)",
@@ -4436,7 +4472,7 @@ 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)",
  "quote 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "syn 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 1.0.7 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -4714,7 +4750,7 @@ version = "2.0.0"
 source = "git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch#2866a0d840cf454ebabe8fe96a32c3376d0fc786"
 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=bkchr-cumulus-branch)",
  "sr-std 2.0.0 (git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch)",
  "substrate-application-crypto 2.0.0 (git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch)",
@@ -4793,11 +4829,11 @@ 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 0.6.13 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-primitives 2.0.0 (git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch)",
  "substrate-client 2.0.0 (git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch)",
  "substrate-consensus-babe-primitives 2.0.0 (git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch)",
@@ -4888,7 +4924,7 @@ dependencies = [
  "hash-db 0.15.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "hash256-std-hasher 0.15.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "hex 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "impl-serde 0.2.2 (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)",
  "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)",
@@ -4899,7 +4935,7 @@ 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=bkchr-cumulus-branch)",
  "substrate-bip39 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -4916,8 +4952,8 @@ name = "substrate-primitives-storage"
 version = "2.0.0"
 source = "git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch#2866a0d840cf454ebabe8fe96a32c3376d0fc786"
 dependencies = [
- "impl-serde 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.101 (registry+https://github.com/rust-lang/crates.io-index)",
+ "impl-serde 0.2.3 (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=bkchr-cumulus-branch)",
 ]
 
@@ -4961,7 +4997,7 @@ 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=bkchr-cumulus-branch)",
  "substrate-primitives 2.0.0 (git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch)",
@@ -4974,7 +5010,7 @@ name = "substrate-rpc-primitives"
 version = "2.0.0"
 source = "git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch#2866a0d840cf454ebabe8fe96a32c3376d0fc786"
 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=bkchr-cumulus-branch)",
 ]
 
@@ -4988,7 +5024,7 @@ dependencies = [
  "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=bkchr-cumulus-branch)",
 ]
@@ -4998,7 +5034,7 @@ name = "substrate-serializer"
 version = "2.0.0"
 source = "git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch#2866a0d840cf454ebabe8fe96a32c3376d0fc786"
 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)",
 ]
 
@@ -5016,7 +5052,7 @@ 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=bkchr-cumulus-branch)",
@@ -5098,11 +5134,11 @@ 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)",
 ]
@@ -5134,7 +5170,7 @@ dependencies = [
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "memory-db 0.15.2 (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=bkchr-cumulus-branch)",
  "sr-primitives 2.0.0 (git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch)",
  "sr-std 2.0.0 (git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch)",
@@ -5168,7 +5204,7 @@ dependencies = [
  "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=bkchr-cumulus-branch)",
  "substrate-primitives 2.0.0 (git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch)",
 ]
@@ -5210,7 +5246,7 @@ source = "git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branc
 
 [[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]]
@@ -5243,7 +5279,7 @@ dependencies = [
 
 [[package]]
 name = "syn"
-version = "1.0.5"
+version = "1.0.7"
 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)",
@@ -5264,12 +5300,12 @@ dependencies = [
 
 [[package]]
 name = "synstructure"
-version = "0.12.1"
+version = "0.12.2"
 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)",
  "quote 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "syn 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 1.0.7 (registry+https://github.com/rust-lang/crates.io-index)",
  "unicode-xid 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -5382,7 +5418,7 @@ 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)",
  "mio 0.6.19 (registry+https://github.com/rust-lang/crates.io-index)",
- "num_cpus 1.10.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "num_cpus 1.11.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-codec 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-current-thread 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-executor 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -5476,7 +5512,7 @@ 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)",
  "mio 0.6.19 (registry+https://github.com/rust-lang/crates.io-index)",
- "num_cpus 1.10.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "num_cpus 1.11.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "parking_lot 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "slab 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-executor 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -5530,7 +5566,7 @@ dependencies = [
  "futures 0.1.29 (registry+https://github.com/rust-lang/crates.io-index)",
  "lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
- "num_cpus 1.10.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "num_cpus 1.11.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "slab 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-executor 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -5579,10 +5615,10 @@ dependencies = [
 
 [[package]]
 name = "toml"
-version = "0.5.3"
+version = "0.5.5"
 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]]
@@ -5592,7 +5628,7 @@ 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 0.6.3 (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)",
 ]
@@ -5635,12 +5671,13 @@ 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 1.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -5664,12 +5701,12 @@ 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 0.6.13 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "unicode-segmentation"
-version = "1.3.0"
+version = "1.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
@@ -5768,16 +5805,16 @@ 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"
-version = "0.2.51"
+version = "0.2.53"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "bumpalo 2.6.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -5785,8 +5822,8 @@ dependencies = [
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "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)",
- "syn 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
- "wasm-bindgen-shared 0.2.51 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 1.0.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "wasm-bindgen-shared 0.2.53 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -5796,40 +5833,40 @@ 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)",
  "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)",
- "wasm-bindgen 0.2.51 (registry+https://github.com/rust-lang/crates.io-index)",
- "web-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)",
+ "wasm-bindgen 0.2.53 (registry+https://github.com/rust-lang/crates.io-index)",
+ "web-sys 0.3.30 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "wasm-bindgen-macro"
-version = "0.2.51"
+version = "0.2.53"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "quote 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "wasm-bindgen-macro-support 0.2.51 (registry+https://github.com/rust-lang/crates.io-index)",
+ "wasm-bindgen-macro-support 0.2.53 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "wasm-bindgen-macro-support"
-version = "0.2.51"
+version = "0.2.53"
 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)",
  "quote 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "syn 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
- "wasm-bindgen-backend 0.2.51 (registry+https://github.com/rust-lang/crates.io-index)",
- "wasm-bindgen-shared 0.2.51 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 1.0.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "wasm-bindgen-backend 0.2.53 (registry+https://github.com/rust-lang/crates.io-index)",
+ "wasm-bindgen-shared 0.2.53 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "wasm-bindgen-shared"
-version = "0.2.51"
+version = "0.2.53"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "wasm-bindgen-webidl"
-version = "0.2.51"
+version = "0.2.53"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "failure 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -5837,8 +5874,8 @@ dependencies = [
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 [[package]]
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diff --git a/Cargo.toml b/Cargo.toml
index 18e5d18ef23..05f00594321 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,6 +1,7 @@
 [workspace]
 members = [
 	"consensus",
+	"network",
 	"runtime",
 	"test/runtime",
 	"test/client",
diff --git a/network/Cargo.toml b/network/Cargo.toml
new file mode 100644
index 00000000000..306052e0827
--- /dev/null
+++ b/network/Cargo.toml
@@ -0,0 +1,21 @@
+[package]
+name = "cumulus-network"
+version = "0.1.0"
+authors = ["Parity Technologies <admin@parity.io>"]
+description = "Cumulus-specific networking protocol"
+edition = "2018"
+
+[dependencies]
+# substrate deps
+substrate-client = { git = "https://github.com/paritytech/substrate", branch = "bkchr-cumulus-branch" }
+substrate-consensus-common = { git = "https://github.com/paritytech/substrate", branch = "bkchr-cumulus-branch" }
+sr-primitives = { git = "https://github.com/paritytech/substrate", branch = "bkchr-cumulus-branch" }
+
+# polkadot deps
+polkadot-primitives = { git = "https://github.com/paritytech/polkadot", branch = "bkchr-cumulus-branch" }
+polkadot-statement-table = { git = "https://github.com/paritytech/polkadot", branch = "bkchr-cumulus-branch" }
+polkadot-validation = { git = "https://github.com/paritytech/polkadot", branch = "bkchr-cumulus-branch" }
+polkadot-network = { git = "https://github.com/paritytech/polkadot", branch = "bkchr-cumulus-branch" }
+
+# other deps
+codec = { package = "parity-scale-codec", version = "1.0.5", features = [ "derive" ] }
diff --git a/network/src/lib.rs b/network/src/lib.rs
new file mode 100644
index 00000000000..6e2839fdfff
--- /dev/null
+++ b/network/src/lib.rs
@@ -0,0 +1,121 @@
+// Copyright 2019 Parity Technologies (UK) Ltd.
+// This file is part of Polkadot.
+
+// Polkadot is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+
+// Polkadot is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License
+// along with Polkadot.  If not, see <http://www.gnu.org/licenses/>.
+
+//! Cumulus-specific network implementation.
+//!
+//! Contains message send between collators and logic to process them.
+
+use substrate_client::error::{Error as ClientError};
+use sr_primitives::traits::{Block as BlockT};
+use substrate_consensus_common::block_validation::{Validation, BlockAnnounceValidator};
+
+use polkadot_primitives::parachain::ValidatorId;
+use polkadot_statement_table::{SignedStatement, Statement};
+use polkadot_validation::check_statement;
+use polkadot_network::gossip::{GossipStatement, GossipMessage};
+
+use codec::{Decode, Encode};
+
+use std::marker::PhantomData;
+
+/// Validate that data is a valid justification from a relay-chain validator that the block is a
+/// valid parachain-block candidate.
+/// Data encoding is just `GossipMessage`, the relay-chain validator candidate statement message is
+/// the justification.
+///
+/// Note: if no justification is provided the annouce is considered valid.
+pub struct JustifiedBlockAnnounceValidator<B> {
+	authorities: Vec<ValidatorId>,
+	phantom: PhantomData<B>,
+}
+
+impl<B: BlockT> JustifiedBlockAnnounceValidator<B> {
+	pub fn new(authorities: Vec<ValidatorId>) -> Self {
+		Self {
+			authorities,
+			phantom: Default::default(),
+		}
+	}
+}
+
+impl<B: BlockT> BlockAnnounceValidator<B> for JustifiedBlockAnnounceValidator<B> {
+	fn validate(&mut self, header: &B::Header, mut data: &[u8])
+		-> Result<Validation, Box<dyn std::error::Error + Send>>
+	{
+		// If no data is provided the announce is valid.
+		if data.is_empty() {
+			return Ok(Validation::Success)
+		}
+
+		// Check data is a gossip message.
+		let gossip_message = GossipMessage::decode(&mut data)
+			.map_err(|_| Box::new(ClientError::BadJustification(
+				"cannot decode block announced justification, must be a gossip message".to_string()
+			)) as Box<_>)?;
+
+		// Check message is a gossip statement.
+		let gossip_statement = match gossip_message {
+			GossipMessage::Statement(gossip_statement) => gossip_statement,
+			_ => return Err(Box::new(ClientError::BadJustification(
+				"block announced justification statement must be a gossip statement".to_string()
+			)) as Box<_>)
+		};
+
+		let GossipStatement {
+				relay_chain_leaf,
+				signed_statement: SignedStatement {
+					statement,
+					signature,
+					sender,
+				}
+		} = gossip_statement;
+
+		// Check that the signer is a legit validator.
+		let signer = self.authorities.get(sender as usize)
+			.ok_or_else(|| Box::new(ClientError::BadJustification(
+				"block accounced justification signer is a validator index out of bound".to_string()
+			)) as Box<_>)?;
+
+		// Check statement is correctly signed.
+		if !check_statement(
+			&statement,
+			&signature,
+			signer.clone(),
+			&relay_chain_leaf,
+		) {
+			return Err(Box::new(ClientError::BadJustification(
+				"block announced justification signature is invalid".to_string()
+			)) as Box<_>)
+		}
+
+		// Check statement is a candidate statement.
+		let candidate_receipt = match statement {
+			Statement::Candidate(candidate_receipt) => candidate_receipt,
+			_ => return Err(Box::new(ClientError::BadJustification(
+				"block announced justification statement must be a candidate statement".to_string()
+			)) as Box<_>)
+		};
+
+		// Check the header in the candidate_receipt match header given header.
+		if header.encode() != candidate_receipt.head_data.0 {
+			return Err(Box::new(ClientError::BadJustification(
+				"block announced header does not match the one justified".to_string()
+			)) as Box<_>)
+		}
+
+		Ok(Validation::Success)
+	}
+}