diff --git a/Cargo.lock b/Cargo.lock
index f9710063cc..2f410cff90 100644
--- a/Cargo.lock
+++ b/Cargo.lock
@@ -22,7 +22,7 @@ version = "0.3.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "block-cipher-trait 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "byteorder 1.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "byteorder 1.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "opaque-debug 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -72,7 +72,7 @@ dependencies = [
 
 [[package]]
 name = "asn1_der"
-version = "0.6.1"
+version = "0.6.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "asn1_der_derive 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -84,17 +84,7 @@ version = "0.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "quote 0.6.12 (registry+https://github.com/rust-lang/crates.io-index)",
- "syn 0.15.34 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
-[[package]]
-name = "atty"
-version = "0.2.11"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "libc 0.2.58 (registry+https://github.com/rust-lang/crates.io-index)",
- "termion 1.5.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "winapi 0.3.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 0.15.36 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -128,18 +118,26 @@ name = "base58"
 version = "0.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
+[[package]]
+name = "base64"
+version = "0.10.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "byteorder 1.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "bigint"
 version = "4.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "byteorder 1.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "byteorder 1.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "crunchy 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "bitflags"
-version = "1.0.4"
+version = "1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
@@ -188,7 +186,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "block-padding 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "byte-tools 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "byteorder 1.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "byteorder 1.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "generic-array 0.12.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -240,7 +238,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "byteorder"
-version = "1.3.1"
+version = "1.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
@@ -248,7 +246,7 @@ name = "bytes"
 version = "0.4.12"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "byteorder 1.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "byteorder 1.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "iovec 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -290,7 +288,7 @@ name = "cloudabi"
 version = "0.0.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "bitflags 1.0.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "bitflags 1.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -325,7 +323,7 @@ dependencies = [
  "crossbeam-epoch 0.7.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "crossbeam-utils 0.6.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "lazy_static 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "num_cpus 1.10.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "num_cpus 1.10.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "parking_lot 0.7.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -335,16 +333,7 @@ version = "0.3.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "crossbeam-utils 0.6.5 (registry+https://github.com/rust-lang/crates.io-index)",
- "smallvec 0.6.9 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
-[[package]]
-name = "crossbeam-deque"
-version = "0.2.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "crossbeam-epoch 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "crossbeam-utils 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "smallvec 0.6.10 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -365,20 +354,6 @@ dependencies = [
  "crossbeam-utils 0.6.5 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
-[[package]]
-name = "crossbeam-epoch"
-version = "0.3.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "arrayvec 0.4.10 (registry+https://github.com/rust-lang/crates.io-index)",
- "cfg-if 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)",
- "crossbeam-utils 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "lazy_static 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "memoffset 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "nodrop 0.1.13 (registry+https://github.com/rust-lang/crates.io-index)",
- "scopeguard 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
 [[package]]
 name = "crossbeam-epoch"
 version = "0.7.1"
@@ -400,14 +375,6 @@ dependencies = [
  "crossbeam-utils 0.6.5 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
-[[package]]
-name = "crossbeam-utils"
-version = "0.2.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "cfg-if 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
 [[package]]
 name = "crossbeam-utils"
 version = "0.6.5"
@@ -484,10 +451,11 @@ name = "cumulus-runtime"
 version = "0.1.0"
 dependencies = [
  "cumulus-test-client 0.1.0",
- "hash-db 0.12.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "hashbrown 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)",
- "memory-db 0.12.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "hash-db 0.12.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "hashbrown 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "memory-db 0.12.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-codec 3.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "polkadot-parachain 0.1.0 (git+https://github.com/paritytech/polkadot?branch=bkchr-cumulus-branch)",
  "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)",
@@ -497,13 +465,16 @@ dependencies = [
  "substrate-keyring 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-trie 2.0.0 (git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch)",
- "trie-db 0.12.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "trie-db 0.12.4 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "cumulus-test-client"
 version = "0.1.0"
 dependencies = [
+ "cumulus-test-runtime 0.1.0",
+ "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)",
  "substrate-test-client 2.0.0 (git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch)",
 ]
 
@@ -513,14 +484,15 @@ 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)",
+ "wasm-builder-runner 2.0.0 (git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch)",
 ]
 
 [[package]]
 name = "curve25519-dalek"
-version = "1.2.0"
+version = "1.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "byteorder 1.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "byteorder 1.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "clear_on_drop 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "digest 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand_core 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -540,7 +512,20 @@ dependencies = [
  "proc-macro2 0.4.30 (registry+https://github.com/rust-lang/crates.io-index)",
  "quote 0.6.12 (registry+https://github.com/rust-lang/crates.io-index)",
  "rustc_version 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "syn 0.15.34 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 0.15.36 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "derive_more"
+version = "0.15.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "lazy_static 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "proc-macro2 0.4.30 (registry+https://github.com/rust-lang/crates.io-index)",
+ "quote 0.6.12 (registry+https://github.com/rust-lang/crates.io-index)",
+ "regex 1.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rustc_version 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 0.15.36 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -564,7 +549,7 @@ name = "dns-parser"
 version = "0.8.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "byteorder 1.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "byteorder 1.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "quick-error 1.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -574,7 +559,7 @@ version = "1.0.0-pre.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "clear_on_drop 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "curve25519-dalek 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "curve25519-dalek 1.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "failure 0.1.5 (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)",
@@ -593,18 +578,6 @@ dependencies = [
  "heapsize 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
-[[package]]
-name = "env_logger"
-version = "0.6.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "atty 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)",
- "humantime 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "regex 1.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "termcolor 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
 [[package]]
 name = "environmental"
 version = "1.0.1"
@@ -634,7 +607,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "proc-macro2 0.4.30 (registry+https://github.com/rust-lang/crates.io-index)",
  "quote 0.6.12 (registry+https://github.com/rust-lang/crates.io-index)",
- "syn 0.15.34 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 0.15.36 (registry+https://github.com/rust-lang/crates.io-index)",
  "synstructure 0.10.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -648,7 +621,7 @@ name = "fixed-hash"
 version = "0.3.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "byteorder 1.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "byteorder 1.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "heapsize 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "libc 0.2.58 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand 0.5.6 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -658,7 +631,7 @@ dependencies = [
 
 [[package]]
 name = "flate2"
-version = "1.0.7"
+version = "1.0.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "crc32fast 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -674,19 +647,6 @@ name = "fnv"
 version = "1.0.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
-[[package]]
-name = "foreign-types"
-version = "0.3.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "foreign-types-shared 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
-[[package]]
-name = "foreign-types-shared"
-version = "0.1.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-
 [[package]]
 name = "fuchsia-cprng"
 version = "0.1.1"
@@ -697,7 +657,7 @@ name = "fuchsia-zircon"
 version = "0.3.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "bitflags 1.0.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "bitflags 1.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "fuchsia-zircon-sys 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -717,7 +677,7 @@ version = "0.1.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "futures 0.1.27 (registry+https://github.com/rust-lang/crates.io-index)",
- "num_cpus 1.10.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "num_cpus 1.10.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -764,12 +724,12 @@ dependencies = [
 
 [[package]]
 name = "hash-db"
-version = "0.12.2"
+version = "0.12.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "hash256-std-hasher"
-version = "0.12.2"
+version = "0.12.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "crunchy 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -780,10 +740,15 @@ name = "hashbrown"
 version = "0.1.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "byteorder 1.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "byteorder 1.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "scopeguard 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "hashbrown"
+version = "0.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
 [[package]]
 name = "hashmap_core"
 version = "0.1.10"
@@ -856,19 +821,21 @@ dependencies = [
  "hmac 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "http"
+version = "0.1.17"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "bytes 0.4.12 (registry+https://github.com/rust-lang/crates.io-index)",
+ "fnv 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "itoa 0.4.4 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "httparse"
 version = "1.3.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
-[[package]]
-name = "humantime"
-version = "1.2.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "quick-error 1.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
 [[package]]
 name = "idna"
 version = "0.1.5"
@@ -930,10 +897,10 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "js-sys"
-version = "0.3.22"
+version = "0.3.24"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "wasm-bindgen 0.2.45 (registry+https://github.com/rust-lang/crates.io-index)",
+ "wasm-bindgen 0.2.47 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -973,11 +940,6 @@ name = "lazy_static"
 version = "1.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
-[[package]]
-name = "lazycell"
-version = "1.2.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-
 [[package]]
 name = "libc"
 version = "0.2.58"
@@ -985,13 +947,13 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "libp2p"
-version = "0.9.0"
+version = "0.9.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "bytes 0.4.12 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures 0.1.27 (registry+https://github.com/rust-lang/crates.io-index)",
  "lazy_static 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "libp2p-core 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libp2p-core 0.9.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "libp2p-core-derive 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "libp2p-deflate 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "libp2p-dns 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1008,11 +970,12 @@ dependencies = [
  "libp2p-tcp 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "libp2p-uds 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "libp2p-wasm-ext 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libp2p-websocket 0.9.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "libp2p-yamux 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-multiaddr 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-multihash 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "parking_lot 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "smallvec 0.6.9 (registry+https://github.com/rust-lang/crates.io-index)",
+ "smallvec 0.6.10 (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 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-io 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1021,10 +984,10 @@ dependencies = [
 
 [[package]]
 name = "libp2p-core"
-version = "0.9.0"
+version = "0.9.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "asn1_der 0.6.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "asn1_der 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "bs58 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "bytes 0.4.12 (registry+https://github.com/rust-lang/crates.io-index)",
  "ed25519-dalek 1.0.0-pre.1 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1044,7 +1007,7 @@ 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 0.6.9 (registry+https://github.com/rust-lang/crates.io-index)",
+ "smallvec 0.6.10 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-executor 0.1.7 (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 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1060,7 +1023,7 @@ version = "0.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "quote 0.6.12 (registry+https://github.com/rust-lang/crates.io-index)",
- "syn 0.15.34 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 0.15.36 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1068,9 +1031,9 @@ name = "libp2p-deflate"
 version = "0.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "flate2 1.0.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "flate2 1.0.9 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures 0.1.27 (registry+https://github.com/rust-lang/crates.io-index)",
- "libp2p-core 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libp2p-core 0.9.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-io 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -1080,7 +1043,7 @@ version = "0.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "futures 0.1.27 (registry+https://github.com/rust-lang/crates.io-index)",
- "libp2p-core 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libp2p-core 0.9.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-dns-unofficial 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-io 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1096,10 +1059,10 @@ dependencies = [
  "cuckoofilter 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "fnv 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures 0.1.27 (registry+https://github.com/rust-lang/crates.io-index)",
- "libp2p-core 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libp2p-core 0.9.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "protobuf 2.6.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand 0.6.5 (registry+https://github.com/rust-lang/crates.io-index)",
- "smallvec 0.6.9 (registry+https://github.com/rust-lang/crates.io-index)",
+ "smallvec 0.6.10 (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 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1113,12 +1076,12 @@ dependencies = [
  "bytes 0.4.12 (registry+https://github.com/rust-lang/crates.io-index)",
  "fnv 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures 0.1.27 (registry+https://github.com/rust-lang/crates.io-index)",
- "libp2p-core 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libp2p-core 0.9.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-multiaddr 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "parking_lot 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "protobuf 2.6.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "smallvec 0.6.9 (registry+https://github.com/rust-lang/crates.io-index)",
+ "smallvec 0.6.10 (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 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1138,7 +1101,7 @@ dependencies = [
  "bytes 0.4.12 (registry+https://github.com/rust-lang/crates.io-index)",
  "fnv 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures 0.1.27 (registry+https://github.com/rust-lang/crates.io-index)",
- "libp2p-core 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libp2p-core 0.9.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-multiaddr 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-multihash 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1146,7 +1109,7 @@ dependencies = [
  "protobuf 2.6.2 (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 0.6.9 (registry+https://github.com/rust-lang/crates.io-index)",
+ "smallvec 0.6.10 (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 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1162,12 +1125,12 @@ dependencies = [
  "data-encoding 2.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "dns-parser 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures 0.1.27 (registry+https://github.com/rust-lang/crates.io-index)",
- "libp2p-core 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libp2p-core 0.9.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "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 0.6.9 (registry+https://github.com/rust-lang/crates.io-index)",
+ "smallvec 0.6.10 (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 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-udp 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1183,7 +1146,7 @@ dependencies = [
  "bytes 0.4.12 (registry+https://github.com/rust-lang/crates.io-index)",
  "fnv 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures 0.1.27 (registry+https://github.com/rust-lang/crates.io-index)",
- "libp2p-core 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libp2p-core 0.9.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "parking_lot 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-codec 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1197,10 +1160,10 @@ version = "0.7.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "bytes 0.4.12 (registry+https://github.com/rust-lang/crates.io-index)",
- "curve25519-dalek 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "curve25519-dalek 1.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures 0.1.27 (registry+https://github.com/rust-lang/crates.io-index)",
  "lazy_static 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "libp2p-core 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libp2p-core 0.9.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "protobuf 2.6.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand 0.6.5 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1219,7 +1182,7 @@ dependencies = [
  "arrayvec 0.4.10 (registry+https://github.com/rust-lang/crates.io-index)",
  "bytes 0.4.12 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures 0.1.27 (registry+https://github.com/rust-lang/crates.io-index)",
- "libp2p-core 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libp2p-core 0.9.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-multiaddr 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "parking_lot 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1236,7 +1199,7 @@ version = "0.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "futures 0.1.27 (registry+https://github.com/rust-lang/crates.io-index)",
- "libp2p-core 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libp2p-core 0.9.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "void 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -1248,7 +1211,7 @@ dependencies = [
  "aio-limited 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "bytes 0.4.12 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures 0.1.27 (registry+https://github.com/rust-lang/crates.io-index)",
- "libp2p-core 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libp2p-core 0.9.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-executor 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-io 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1260,14 +1223,14 @@ version = "0.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "aes-ctr 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "asn1_der 0.6.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "asn1_der 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "bytes 0.4.12 (registry+https://github.com/rust-lang/crates.io-index)",
  "ctr 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures 0.1.27 (registry+https://github.com/rust-lang/crates.io-index)",
  "hmac 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "js-sys 0.3.22 (registry+https://github.com/rust-lang/crates.io-index)",
+ "js-sys 0.3.24 (registry+https://github.com/rust-lang/crates.io-index)",
  "lazy_static 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "libp2p-core 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libp2p-core 0.9.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-send-wrapper 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "protobuf 2.6.2 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1278,9 +1241,9 @@ 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 0.2.45 (registry+https://github.com/rust-lang/crates.io-index)",
- "wasm-bindgen-futures 0.3.22 (registry+https://github.com/rust-lang/crates.io-index)",
- "web-sys 0.3.22 (registry+https://github.com/rust-lang/crates.io-index)",
+ "wasm-bindgen 0.2.47 (registry+https://github.com/rust-lang/crates.io-index)",
+ "wasm-bindgen-futures 0.3.24 (registry+https://github.com/rust-lang/crates.io-index)",
+ "web-sys 0.3.24 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1292,7 +1255,7 @@ dependencies = [
  "futures 0.1.27 (registry+https://github.com/rust-lang/crates.io-index)",
  "get_if_addrs 0.5.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "ipnet 2.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "libp2p-core 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libp2p-core 0.9.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "tk-listen 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-io 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1305,7 +1268,7 @@ version = "0.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "futures 0.1.27 (registry+https://github.com/rust-lang/crates.io-index)",
- "libp2p-core 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libp2p-core 0.9.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-uds 0.2.5 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -1316,12 +1279,30 @@ version = "0.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "futures 0.1.27 (registry+https://github.com/rust-lang/crates.io-index)",
- "js-sys 0.3.22 (registry+https://github.com/rust-lang/crates.io-index)",
- "libp2p-core 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "js-sys 0.3.24 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libp2p-core 0.9.1 (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 0.2.45 (registry+https://github.com/rust-lang/crates.io-index)",
- "wasm-bindgen-futures 0.3.22 (registry+https://github.com/rust-lang/crates.io-index)",
+ "wasm-bindgen 0.2.47 (registry+https://github.com/rust-lang/crates.io-index)",
+ "wasm-bindgen-futures 0.3.24 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "libp2p-websocket"
+version = "0.9.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "bytes 0.4.12 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures 0.1.27 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libp2p-core 0.9.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rw-stream-sink 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "soketto 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-codec 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-io 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-rustls 0.10.0-alpha.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "url 1.7.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "webpki-roots 0.16.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1330,7 +1311,7 @@ version = "0.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "futures 0.1.27 (registry+https://github.com/rust-lang/crates.io-index)",
- "libp2p-core 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libp2p-core 0.9.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-io 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)",
  "yamux 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1388,11 +1369,13 @@ dependencies = [
 ]
 
 [[package]]
-name = "lru-cache"
-version = "0.1.2"
+name = "malloc_size_of_derive"
+version = "0.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "linked-hash-map 0.5.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "proc-macro2 0.4.30 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 0.15.36 (registry+https://github.com/rust-lang/crates.io-index)",
+ "synstructure 0.10.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1412,12 +1395,12 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "memory-db"
-version = "0.12.2"
+version = "0.12.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "hash-db 0.12.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "hash-db 0.12.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "hashmap_core 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
- "heapsize 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "parity-util-mem 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1430,7 +1413,7 @@ name = "merlin"
 version = "1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "byteorder 1.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "byteorder 1.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "clear_on_drop 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "keccak 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand_core 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1481,17 +1464,6 @@ dependencies = [
  "winapi 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
-[[package]]
-name = "mio-extras"
-version = "2.0.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "lazycell 1.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "mio 0.6.19 (registry+https://github.com/rust-lang/crates.io-index)",
- "slab 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
 [[package]]
 name = "mio-uds"
 version = "0.6.7"
@@ -1521,7 +1493,7 @@ dependencies = [
  "bytes 0.4.12 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures 0.1.27 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "smallvec 0.6.9 (registry+https://github.com/rust-lang/crates.io-index)",
+ "smallvec 0.6.10 (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 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1575,17 +1547,12 @@ dependencies = [
 
 [[package]]
 name = "num_cpus"
-version = "1.10.0"
+version = "1.10.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "libc 0.2.58 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
-[[package]]
-name = "numtoa"
-version = "0.1.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-
 [[package]]
 name = "once_cell"
 version = "0.1.8"
@@ -1599,31 +1566,6 @@ name = "opaque-debug"
 version = "0.2.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
-[[package]]
-name = "openssl"
-version = "0.10.23"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "bitflags 1.0.4 (registry+https://github.com/rust-lang/crates.io-index)",
- "cfg-if 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)",
- "foreign-types 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "lazy_static 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.58 (registry+https://github.com/rust-lang/crates.io-index)",
- "openssl-sys 0.9.47 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
-[[package]]
-name = "openssl-sys"
-version = "0.9.47"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "autocfg 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
- "cc 1.0.37 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.58 (registry+https://github.com/rust-lang/crates.io-index)",
- "pkg-config 0.3.14 (registry+https://github.com/rust-lang/crates.io-index)",
- "vcpkg 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
 [[package]]
 name = "owning_ref"
 version = "0.3.3"
@@ -1663,7 +1605,7 @@ dependencies = [
  "proc-macro-crate 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "proc-macro2 0.4.30 (registry+https://github.com/rust-lang/crates.io-index)",
  "quote 0.6.12 (registry+https://github.com/rust-lang/crates.io-index)",
- "syn 0.15.34 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 0.15.36 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1673,7 +1615,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "arrayref 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "bs58 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "byteorder 1.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "byteorder 1.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "bytes 0.4.12 (registry+https://github.com/rust-lang/crates.io-index)",
  "data-encoding 2.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-multihash 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1701,12 +1643,23 @@ name = "parity-send-wrapper"
 version = "0.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
+[[package]]
+name = "parity-util-mem"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "cfg-if 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)",
+ "clear_on_drop 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "malloc_size_of_derive 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi 0.3.7 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "parity-wasm"
 version = "0.31.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "byteorder 1.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "byteorder 1.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1753,7 +1706,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "libc 0.2.58 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "smallvec 0.6.9 (registry+https://github.com/rust-lang/crates.io-index)",
+ "smallvec 0.6.10 (registry+https://github.com/rust-lang/crates.io-index)",
  "winapi 0.3.7 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -1765,7 +1718,7 @@ dependencies = [
  "libc 0.2.58 (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 0.6.9 (registry+https://github.com/rust-lang/crates.io-index)",
+ "smallvec 0.6.10 (registry+https://github.com/rust-lang/crates.io-index)",
  "winapi 0.3.7 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -1777,7 +1730,7 @@ dependencies = [
  "libc 0.2.58 (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 0.6.9 (registry+https://github.com/rust-lang/crates.io-index)",
+ "smallvec 0.6.10 (registry+https://github.com/rust-lang/crates.io-index)",
  "winapi 0.3.7 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -1792,7 +1745,7 @@ dependencies = [
  "rand 0.6.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "redox_syscall 0.1.54 (registry+https://github.com/rust-lang/crates.io-index)",
  "rustc_version 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "smallvec 0.6.9 (registry+https://github.com/rust-lang/crates.io-index)",
+ "smallvec 0.6.10 (registry+https://github.com/rust-lang/crates.io-index)",
  "winapi 0.3.7 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -1813,7 +1766,7 @@ dependencies = [
  "proc-macro-hack 0.5.7 (registry+https://github.com/rust-lang/crates.io-index)",
  "proc-macro2 0.4.30 (registry+https://github.com/rust-lang/crates.io-index)",
  "quote 0.6.12 (registry+https://github.com/rust-lang/crates.io-index)",
- "syn 0.15.34 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 0.15.36 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1821,9 +1774,9 @@ name = "pbkdf2"
 version = "0.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "byteorder 1.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "byteorder 1.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "crypto-mac 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "rayon 1.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rayon 1.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1831,28 +1784,22 @@ name = "percent-encoding"
 version = "1.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
-[[package]]
-name = "pkg-config"
-version = "0.3.14"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-
 [[package]]
 name = "polkadot-parachain"
 version = "0.1.0"
-source = "git+https://github.com/paritytech/polkadot?branch=bkchr-cumulus-branch#1148f7973fa7b18a63eddff2a9245ec8c3af91bd"
+source = "git+https://github.com/paritytech/polkadot?branch=bkchr-cumulus-branch#3a5bb1d85559fff6b7e5dff5d2b5839d3b9550f2"
 dependencies = [
  "derive_more 0.14.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-codec 3.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "parity-codec-derive 3.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde 1.0.92 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_derive 1.0.92 (registry+https://github.com/rust-lang/crates.io-index)",
+ "sr-std 2.0.0 (git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch)",
  "wasmi 0.4.5 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "polkadot-primitives"
 version = "0.1.0"
-source = "git+https://github.com/paritytech/polkadot?branch=bkchr-cumulus-branch#1148f7973fa7b18a63eddff2a9245ec8c3af91bd"
+source = "git+https://github.com/paritytech/polkadot?branch=bkchr-cumulus-branch#3a5bb1d85559fff6b7e5dff5d2b5839d3b9550f2"
 dependencies = [
  "parity-codec 3.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-codec-derive 3.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1868,7 +1815,7 @@ dependencies = [
 [[package]]
 name = "polkadot-runtime"
 version = "0.1.0"
-source = "git+https://github.com/paritytech/polkadot?branch=bkchr-cumulus-branch#1148f7973fa7b18a63eddff2a9245ec8c3af91bd"
+source = "git+https://github.com/paritytech/polkadot?branch=bkchr-cumulus-branch#3a5bb1d85559fff6b7e5dff5d2b5839d3b9550f2"
 dependencies = [
  "bitvec 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1884,7 +1831,6 @@ dependencies = [
  "sr-version 2.0.0 (git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch)",
  "srml-aura 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)",
- "srml-consensus 2.0.0 (git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch)",
  "srml-council 2.0.0 (git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch)",
  "srml-democracy 2.0.0 (git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch)",
  "srml-executive 2.0.0 (git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch)",
@@ -1899,11 +1845,11 @@ dependencies = [
  "srml-treasury 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-aura-primitives 2.0.0 (git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch)",
- "substrate-consensus-authorities 2.0.0 (git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch)",
  "substrate-inherents 2.0.0 (git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch)",
  "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-serializer 2.0.0 (git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch)",
+ "wasm-builder-runner 2.0.0 (git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch)",
 ]
 
 [[package]]
@@ -1940,7 +1886,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "proc-macro2 0.4.30 (registry+https://github.com/rust-lang/crates.io-index)",
  "quote 0.6.12 (registry+https://github.com/rust-lang/crates.io-index)",
- "syn 0.15.34 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 0.15.36 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -2110,23 +2056,24 @@ dependencies = [
 
 [[package]]
 name = "rayon"
-version = "1.0.3"
+version = "1.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "crossbeam-deque 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "crossbeam-deque 0.6.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "either 1.5.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "rayon-core 1.4.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rayon-core 1.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "rayon-core"
-version = "1.4.1"
+version = "1.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "crossbeam-deque 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "crossbeam-deque 0.6.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "crossbeam-queue 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "crossbeam-utils 0.6.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "lazy_static 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.58 (registry+https://github.com/rust-lang/crates.io-index)",
- "num_cpus 1.10.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "num_cpus 1.10.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -2142,29 +2089,21 @@ name = "redox_syscall"
 version = "0.1.54"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
-[[package]]
-name = "redox_termios"
-version = "0.1.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "redox_syscall 0.1.54 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
 [[package]]
 name = "regex"
-version = "1.1.6"
+version = "1.1.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "aho-corasick 0.7.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "memchr 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "regex-syntax 0.6.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "regex-syntax 0.6.7 (registry+https://github.com/rust-lang/crates.io-index)",
  "thread_local 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "utf8-ranges 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "utf8-ranges 1.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "regex-syntax"
-version = "0.6.6"
+version = "0.6.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "ucd-util 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2201,6 +2140,19 @@ dependencies = [
  "semver 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "rustls"
+version = "0.15.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "base64 0.10.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "ring 0.14.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "sct 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "untrusted 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "webpki 0.19.1 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "rw-stream-sink"
 version = "0.1.2"
@@ -2230,7 +2182,7 @@ version = "0.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "clear_on_drop 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "curve25519-dalek 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "curve25519-dalek 1.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "ed25519-dalek 1.0.0-pre.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "failure 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "merlin 1.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2251,6 +2203,15 @@ name = "scopeguard"
 version = "1.0.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
+[[package]]
+name = "sct"
+version = "0.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "ring 0.14.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "untrusted 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "semver"
 version = "0.9.0"
@@ -2284,7 +2245,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "proc-macro2 0.4.30 (registry+https://github.com/rust-lang/crates.io-index)",
  "quote 0.6.12 (registry+https://github.com/rust-lang/crates.io-index)",
- "syn 0.15.34 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 0.15.36 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -2361,16 +2322,6 @@ dependencies = [
  "erased-serde 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
-[[package]]
-name = "slog-async"
-version = "2.3.0"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "slog 2.4.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "take_mut 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "thread_local 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
 [[package]]
 name = "slog-json"
 version = "2.3.0"
@@ -2395,7 +2346,7 @@ dependencies = [
 
 [[package]]
 name = "smallvec"
-version = "0.6.9"
+version = "0.6.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
@@ -2404,17 +2355,35 @@ version = "0.5.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "arrayref 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
- "byteorder 1.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "byteorder 1.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "failure 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "failure_derive 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand_core 0.4.0 (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 0.6.9 (registry+https://github.com/rust-lang/crates.io-index)",
+ "smallvec 0.6.10 (registry+https://github.com/rust-lang/crates.io-index)",
  "static_slice 0.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "subtle 2.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "soketto"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "base64 0.10.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "bytes 0.4.12 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures 0.1.27 (registry+https://github.com/rust-lang/crates.io-index)",
+ "http 0.1.17 (registry+https://github.com/rust-lang/crates.io-index)",
+ "httparse 1.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "log 0.4.6 (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)",
+ "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)",
+]
+
 [[package]]
 name = "sourcefile"
 version = "0.1.4"
@@ -2428,22 +2397,22 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 [[package]]
 name = "sr-api-macros"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch#2d67ab80e00af58c8cfbeedb17c51af8740d0ddb"
+source = "git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch#16dec42b85346270fba58b9e3115895bb88246b4"
 dependencies = [
  "blake2-rfc 0.2.18 (registry+https://github.com/rust-lang/crates.io-index)",
  "proc-macro-crate 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "proc-macro2 0.4.30 (registry+https://github.com/rust-lang/crates.io-index)",
  "quote 0.6.12 (registry+https://github.com/rust-lang/crates.io-index)",
- "syn 0.15.34 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 0.15.36 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "sr-io"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch#2d67ab80e00af58c8cfbeedb17c51af8740d0ddb"
+source = "git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch#16dec42b85346270fba58b9e3115895bb88246b4"
 dependencies = [
  "environmental 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "hash-db 0.12.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "hash-db 0.12.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "libsecp256k1 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-codec 3.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "rustc_version 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2451,13 +2420,13 @@ dependencies = [
  "substrate-primitives 2.0.0 (git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch)",
  "substrate-state-machine 2.0.0 (git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch)",
  "substrate-trie 2.0.0 (git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch)",
- "tiny-keccak 1.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tiny-keccak 1.4.3 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "sr-primitives"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch#2d67ab80e00af58c8cfbeedb17c51af8740d0ddb"
+source = "git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch#16dec42b85346270fba58b9e3115895bb88246b4"
 dependencies = [
  "integer-sqrt 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2472,7 +2441,7 @@ dependencies = [
 [[package]]
 name = "sr-std"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch#2d67ab80e00af58c8cfbeedb17c51af8740d0ddb"
+source = "git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch#16dec42b85346270fba58b9e3115895bb88246b4"
 dependencies = [
  "rustc_version 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -2480,7 +2449,7 @@ dependencies = [
 [[package]]
 name = "sr-version"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch#2d67ab80e00af58c8cfbeedb17c51af8740d0ddb"
+source = "git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch#16dec42b85346270fba58b9e3115895bb88246b4"
 dependencies = [
  "impl-serde 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-codec 3.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2492,7 +2461,7 @@ dependencies = [
 [[package]]
 name = "srml-aura"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch#2d67ab80e00af58c8cfbeedb17c51af8740d0ddb"
+source = "git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch#16dec42b85346270fba58b9e3115895bb88246b4"
 dependencies = [
  "parity-codec 3.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde 1.0.92 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2503,13 +2472,15 @@ dependencies = [
  "srml-support 2.0.0 (git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch)",
  "srml-system 2.0.0 (git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch)",
  "srml-timestamp 2.0.0 (git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch)",
+ "substrate-consensus-aura-primitives 2.0.0 (git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch)",
  "substrate-inherents 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)",
 ]
 
 [[package]]
 name = "srml-balances"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch#2d67ab80e00af58c8cfbeedb17c51af8740d0ddb"
+source = "git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch#16dec42b85346270fba58b9e3115895bb88246b4"
 dependencies = [
  "parity-codec 3.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "safe-mix 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2521,25 +2492,10 @@ dependencies = [
  "substrate-keyring 2.0.0 (git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch)",
 ]
 
-[[package]]
-name = "srml-consensus"
-version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch#2d67ab80e00af58c8cfbeedb17c51af8740d0ddb"
-dependencies = [
- "parity-codec 3.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.92 (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)",
- "srml-system 2.0.0 (git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch)",
- "substrate-inherents 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)",
-]
-
 [[package]]
 name = "srml-council"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch#2d67ab80e00af58c8cfbeedb17c51af8740d0ddb"
+source = "git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch#16dec42b85346270fba58b9e3115895bb88246b4"
 dependencies = [
  "parity-codec 3.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "safe-mix 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2556,7 +2512,7 @@ dependencies = [
 [[package]]
 name = "srml-democracy"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch#2d67ab80e00af58c8cfbeedb17c51af8740d0ddb"
+source = "git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch#16dec42b85346270fba58b9e3115895bb88246b4"
 dependencies = [
  "parity-codec 3.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "safe-mix 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2571,7 +2527,7 @@ dependencies = [
 [[package]]
 name = "srml-executive"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch#2d67ab80e00af58c8cfbeedb17c51af8740d0ddb"
+source = "git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch#16dec42b85346270fba58b9e3115895bb88246b4"
 dependencies = [
  "parity-codec 3.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde 1.0.92 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2585,7 +2541,7 @@ dependencies = [
 [[package]]
 name = "srml-finality-tracker"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch#2d67ab80e00af58c8cfbeedb17c51af8740d0ddb"
+source = "git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch#16dec42b85346270fba58b9e3115895bb88246b4"
 dependencies = [
  "parity-codec 3.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde 1.0.92 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2599,13 +2555,12 @@ dependencies = [
 [[package]]
 name = "srml-grandpa"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch#2d67ab80e00af58c8cfbeedb17c51af8740d0ddb"
+source = "git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch#16dec42b85346270fba58b9e3115895bb88246b4"
 dependencies = [
  "parity-codec 3.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde 1.0.92 (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-consensus 2.0.0 (git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch)",
  "srml-finality-tracker 2.0.0 (git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch)",
  "srml-session 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)",
@@ -2617,7 +2572,7 @@ dependencies = [
 [[package]]
 name = "srml-indices"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch#2d67ab80e00af58c8cfbeedb17c51af8740d0ddb"
+source = "git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch#16dec42b85346270fba58b9e3115895bb88246b4"
 dependencies = [
  "parity-codec 3.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "safe-mix 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2634,7 +2589,7 @@ dependencies = [
 [[package]]
 name = "srml-metadata"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch#2d67ab80e00af58c8cfbeedb17c51af8740d0ddb"
+source = "git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch#16dec42b85346270fba58b9e3115895bb88246b4"
 dependencies = [
  "parity-codec 3.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde 1.0.92 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2645,14 +2600,13 @@ dependencies = [
 [[package]]
 name = "srml-session"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch#2d67ab80e00af58c8cfbeedb17c51af8740d0ddb"
+source = "git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch#16dec42b85346270fba58b9e3115895bb88246b4"
 dependencies = [
  "parity-codec 3.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "safe-mix 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde 1.0.92 (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-consensus 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)",
  "srml-system 2.0.0 (git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch)",
  "srml-timestamp 2.0.0 (git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch)",
@@ -2661,7 +2615,7 @@ dependencies = [
 [[package]]
 name = "srml-staking"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch#2d67ab80e00af58c8cfbeedb17c51af8740d0ddb"
+source = "git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch#16dec42b85346270fba58b9e3115895bb88246b4"
 dependencies = [
  "parity-codec 3.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "safe-mix 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2669,7 +2623,6 @@ dependencies = [
  "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)",
- "srml-consensus 2.0.0 (git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch)",
  "srml-session 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)",
  "srml-system 2.0.0 (git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch)",
@@ -2679,7 +2632,7 @@ dependencies = [
 [[package]]
 name = "srml-sudo"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch#2d67ab80e00af58c8cfbeedb17c51af8740d0ddb"
+source = "git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch#16dec42b85346270fba58b9e3115895bb88246b4"
 dependencies = [
  "parity-codec 3.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde 1.0.92 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2694,7 +2647,7 @@ dependencies = [
 [[package]]
 name = "srml-support"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch#2d67ab80e00af58c8cfbeedb17c51af8740d0ddb"
+source = "git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch#16dec42b85346270fba58b9e3115895bb88246b4"
 dependencies = [
  "bitmask 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "once_cell 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2712,41 +2665,41 @@ dependencies = [
 [[package]]
 name = "srml-support-procedural"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch#2d67ab80e00af58c8cfbeedb17c51af8740d0ddb"
+source = "git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch#16dec42b85346270fba58b9e3115895bb88246b4"
 dependencies = [
  "proc-macro2 0.4.30 (registry+https://github.com/rust-lang/crates.io-index)",
  "quote 0.6.12 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-api-macros 2.0.0 (git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch)",
  "srml-support-procedural-tools 2.0.0 (git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch)",
- "syn 0.15.34 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 0.15.36 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "srml-support-procedural-tools"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch#2d67ab80e00af58c8cfbeedb17c51af8740d0ddb"
+source = "git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch#16dec42b85346270fba58b9e3115895bb88246b4"
 dependencies = [
  "proc-macro-crate 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "proc-macro2 0.4.30 (registry+https://github.com/rust-lang/crates.io-index)",
  "quote 0.6.12 (registry+https://github.com/rust-lang/crates.io-index)",
  "srml-support-procedural-tools-derive 2.0.0 (git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch)",
- "syn 0.15.34 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 0.15.36 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "srml-support-procedural-tools-derive"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch#2d67ab80e00af58c8cfbeedb17c51af8740d0ddb"
+source = "git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch#16dec42b85346270fba58b9e3115895bb88246b4"
 dependencies = [
  "proc-macro2 0.4.30 (registry+https://github.com/rust-lang/crates.io-index)",
  "quote 0.6.12 (registry+https://github.com/rust-lang/crates.io-index)",
- "syn 0.15.34 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 0.15.36 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "srml-system"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch#2d67ab80e00af58c8cfbeedb17c51af8740d0ddb"
+source = "git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch#16dec42b85346270fba58b9e3115895bb88246b4"
 dependencies = [
  "parity-codec 3.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "safe-mix 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2761,7 +2714,7 @@ dependencies = [
 [[package]]
 name = "srml-timestamp"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch#2d67ab80e00af58c8cfbeedb17c51af8740d0ddb"
+source = "git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch#16dec42b85346270fba58b9e3115895bb88246b4"
 dependencies = [
  "parity-codec 3.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde 1.0.92 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2775,7 +2728,7 @@ dependencies = [
 [[package]]
 name = "srml-treasury"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch#2d67ab80e00af58c8cfbeedb17c51af8740d0ddb"
+source = "git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch#16dec42b85346270fba58b9e3115895bb88246b4"
 dependencies = [
  "parity-codec 3.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde 1.0.92 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2822,7 +2775,7 @@ dependencies = [
  "heck 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "proc-macro2 0.4.30 (registry+https://github.com/rust-lang/crates.io-index)",
  "quote 0.6.12 (registry+https://github.com/rust-lang/crates.io-index)",
- "syn 0.15.34 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 0.15.36 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -2839,12 +2792,12 @@ dependencies = [
 [[package]]
 name = "substrate-client"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch#2d67ab80e00af58c8cfbeedb17c51af8740d0ddb"
+source = "git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch#16dec42b85346270fba58b9e3115895bb88246b4"
 dependencies = [
  "derive_more 0.14.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "fnv 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures 0.1.27 (registry+https://github.com/rust-lang/crates.io-index)",
- "hash-db 0.12.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "hash-db 0.12.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "hex-literal 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "kvdb 0.1.0 (git+https://github.com/paritytech/parity-common?rev=b0317f649ab2c665b7987b8475878fc4d2e1f81d)",
  "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2867,13 +2820,13 @@ dependencies = [
 [[package]]
 name = "substrate-client-db"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch#2d67ab80e00af58c8cfbeedb17c51af8740d0ddb"
+source = "git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch#16dec42b85346270fba58b9e3115895bb88246b4"
 dependencies = [
- "hash-db 0.12.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "hash-db 0.12.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "kvdb 0.1.0 (git+https://github.com/paritytech/parity-common?rev=b0317f649ab2c665b7987b8475878fc4d2e1f81d)",
  "kvdb-memorydb 0.1.0 (git+https://github.com/paritytech/parity-common?rev=b0317f649ab2c665b7987b8475878fc4d2e1f81d)",
+ "linked-hash-map 0.5.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "lru-cache 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-codec 3.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "parking_lot 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-primitives 2.0.0 (git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch)",
@@ -2889,23 +2842,11 @@ dependencies = [
 [[package]]
 name = "substrate-consensus-aura-primitives"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch#2d67ab80e00af58c8cfbeedb17c51af8740d0ddb"
-dependencies = [
- "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)",
-]
-
-[[package]]
-name = "substrate-consensus-authorities"
-version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch#2d67ab80e00af58c8cfbeedb17c51af8740d0ddb"
+source = "git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch#16dec42b85346270fba58b9e3115895bb88246b4"
 dependencies = [
  "parity-codec 3.5.1 (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)",
- "sr-version 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)",
  "substrate-client 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)",
 ]
@@ -2913,23 +2854,25 @@ dependencies = [
 [[package]]
 name = "substrate-consensus-babe-primitives"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch#2d67ab80e00af58c8cfbeedb17c51af8740d0ddb"
+source = "git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch#16dec42b85346270fba58b9e3115895bb88246b4"
 dependencies = [
  "parity-codec 3.5.1 (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-client 2.0.0 (git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch)",
  "substrate-consensus-slots 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)",
 ]
 
 [[package]]
 name = "substrate-consensus-common"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch#2d67ab80e00af58c8cfbeedb17c51af8740d0ddb"
+source = "git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch#16dec42b85346270fba58b9e3115895bb88246b4"
 dependencies = [
  "crossbeam-channel 0.3.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "derive_more 0.14.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures 0.1.27 (registry+https://github.com/rust-lang/crates.io-index)",
- "libp2p 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libp2p 0.9.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-codec 3.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "parking_lot 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2944,7 +2887,7 @@ dependencies = [
 [[package]]
 name = "substrate-consensus-slots"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch#2d67ab80e00af58c8cfbeedb17c51af8740d0ddb"
+source = "git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch#16dec42b85346270fba58b9e3115895bb88246b4"
 dependencies = [
  "futures 0.1.27 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2955,16 +2898,16 @@ dependencies = [
  "substrate-consensus-common 2.0.0 (git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch)",
  "substrate-inherents 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)",
- "tokio 0.1.21 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-timer 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "substrate-executor"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch#2d67ab80e00af58c8cfbeedb17c51af8740d0ddb"
+source = "git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch#16dec42b85346270fba58b9e3115895bb88246b4"
 dependencies = [
- "byteorder 1.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "derive_more 0.14.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "byteorder 1.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "derive_more 0.15.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "lazy_static 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "libsecp256k1 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2977,16 +2920,17 @@ dependencies = [
  "substrate-serializer 2.0.0 (git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch)",
  "substrate-state-machine 2.0.0 (git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch)",
  "substrate-trie 2.0.0 (git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch)",
- "tiny-keccak 1.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tiny-keccak 1.4.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "wasmi 0.4.5 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "substrate-finality-grandpa-primitives"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch#2d67ab80e00af58c8cfbeedb17c51af8740d0ddb"
+source = "git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch#16dec42b85346270fba58b9e3115895bb88246b4"
 dependencies = [
  "parity-codec 3.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.92 (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-client 2.0.0 (git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch)",
@@ -2996,7 +2940,7 @@ dependencies = [
 [[package]]
 name = "substrate-inherents"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch#2d67ab80e00af58c8cfbeedb17c51af8740d0ddb"
+source = "git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch#16dec42b85346270fba58b9e3115895bb88246b4"
 dependencies = [
  "parity-codec 3.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "parking_lot 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -3007,7 +2951,7 @@ dependencies = [
 [[package]]
 name = "substrate-keyring"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch#2d67ab80e00af58c8cfbeedb17c51af8740d0ddb"
+source = "git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch#16dec42b85346270fba58b9e3115895bb88246b4"
 dependencies = [
  "lazy_static 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-primitives 2.0.0 (git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch)",
@@ -3019,7 +2963,7 @@ dependencies = [
 [[package]]
 name = "substrate-offchain-primitives"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch#2d67ab80e00af58c8cfbeedb17c51af8740d0ddb"
+source = "git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch#16dec42b85346270fba58b9e3115895bb88246b4"
 dependencies = [
  "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)",
@@ -3028,7 +2972,7 @@ dependencies = [
 [[package]]
 name = "substrate-panic-handler"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch#2d67ab80e00af58c8cfbeedb17c51af8740d0ddb"
+source = "git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch#16dec42b85346270fba58b9e3115895bb88246b4"
 dependencies = [
  "backtrace 0.3.30 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -3037,21 +2981,21 @@ dependencies = [
 [[package]]
 name = "substrate-primitives"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch#2d67ab80e00af58c8cfbeedb17c51af8740d0ddb"
+source = "git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch#16dec42b85346270fba58b9e3115895bb88246b4"
 dependencies = [
  "base58 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "blake2-rfc 0.2.18 (registry+https://github.com/rust-lang/crates.io-index)",
- "byteorder 1.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "byteorder 1.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "ed25519-dalek 1.0.0-pre.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "hash-db 0.12.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "hash256-std-hasher 0.12.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "hash-db 0.12.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "hash256-std-hasher 0.12.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "hex 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "impl-serde 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "num-traits 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-codec 3.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "primitive-types 0.2.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand 0.6.5 (registry+https://github.com/rust-lang/crates.io-index)",
- "regex 1.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "regex 1.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
  "rustc-hex 2.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "schnorrkel 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde 1.0.92 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -3066,7 +3010,7 @@ dependencies = [
 [[package]]
 name = "substrate-serializer"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch#2d67ab80e00af58c8cfbeedb17c51af8740d0ddb"
+source = "git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch#16dec42b85346270fba58b9e3115895bb88246b4"
 dependencies = [
  "serde 1.0.92 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_json 1.0.39 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -3075,7 +3019,7 @@ dependencies = [
 [[package]]
 name = "substrate-state-db"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch#2d67ab80e00af58c8cfbeedb17c51af8740d0ddb"
+source = "git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch#16dec42b85346270fba58b9e3115895bb88246b4"
 dependencies = [
  "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-codec 3.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -3086,9 +3030,9 @@ dependencies = [
 [[package]]
 name = "substrate-state-machine"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch#2d67ab80e00af58c8cfbeedb17c51af8740d0ddb"
+source = "git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch#16dec42b85346270fba58b9e3115895bb88246b4"
 dependencies = [
- "hash-db 0.12.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "hash-db 0.12.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "num-traits 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-codec 3.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -3096,34 +3040,37 @@ dependencies = [
  "substrate-panic-handler 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-trie 2.0.0 (git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch)",
- "trie-db 0.12.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "trie-root 0.12.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "trie-db 0.12.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "trie-root 0.12.4 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "substrate-telemetry"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch#2d67ab80e00af58c8cfbeedb17c51af8740d0ddb"
+source = "git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch#16dec42b85346270fba58b9e3115895bb88246b4"
 dependencies = [
- "lazy_static 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "bytes 0.4.12 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures 0.1.27 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libp2p 0.9.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "parking_lot 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand 0.6.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde 1.0.92 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_json 1.0.39 (registry+https://github.com/rust-lang/crates.io-index)",
  "slog 2.4.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "slog-async 2.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "slog-json 2.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "slog-scope 4.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "ws 0.7.9 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-io 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-timer 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)",
+ "void 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "substrate-test-client"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch#2d67ab80e00af58c8cfbeedb17c51af8740d0ddb"
+source = "git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch#16dec42b85346270fba58b9e3115895bb88246b4"
 dependencies = [
  "futures 0.1.27 (registry+https://github.com/rust-lang/crates.io-index)",
+ "hash-db 0.12.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-codec 3.5.1 (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)",
@@ -3133,17 +3080,16 @@ dependencies = [
  "substrate-keyring 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-state-machine 2.0.0 (git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch)",
- "substrate-test-runtime 2.0.0 (git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch)",
 ]
 
 [[package]]
 name = "substrate-test-runtime"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch#2d67ab80e00af58c8cfbeedb17c51af8740d0ddb"
+source = "git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch#16dec42b85346270fba58b9e3115895bb88246b4"
 dependencies = [
  "cfg-if 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "memory-db 0.12.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "memory-db 0.12.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-codec 3.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde 1.0.92 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-io 2.0.0 (git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch)",
@@ -3154,28 +3100,28 @@ dependencies = [
  "srml-support 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-aura-primitives 2.0.0 (git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch)",
- "substrate-consensus-authorities 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)",
  "substrate-inherents 2.0.0 (git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch)",
  "substrate-keyring 2.0.0 (git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch)",
  "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-trie 2.0.0 (git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch)",
- "trie-db 0.12.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "trie-db 0.12.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "wasm-builder-runner 2.0.0 (git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch)",
 ]
 
 [[package]]
 name = "substrate-trie"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch#2d67ab80e00af58c8cfbeedb17c51af8740d0ddb"
+source = "git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch#16dec42b85346270fba58b9e3115895bb88246b4"
 dependencies = [
- "hash-db 0.12.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "memory-db 0.12.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "hash-db 0.12.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "memory-db 0.12.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-codec 3.5.1 (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)",
- "trie-db 0.12.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "trie-root 0.12.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "trie-db 0.12.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "trie-root 0.12.4 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -3190,7 +3136,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "syn"
-version = "0.15.34"
+version = "0.15.36"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "proc-macro2 0.4.30 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -3205,34 +3151,10 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "proc-macro2 0.4.30 (registry+https://github.com/rust-lang/crates.io-index)",
  "quote 0.6.12 (registry+https://github.com/rust-lang/crates.io-index)",
- "syn 0.15.34 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 0.15.36 (registry+https://github.com/rust-lang/crates.io-index)",
  "unicode-xid 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
-[[package]]
-name = "take_mut"
-version = "0.2.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-
-[[package]]
-name = "termcolor"
-version = "1.0.5"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "wincolor 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
-[[package]]
-name = "termion"
-version = "1.5.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "libc 0.2.58 (registry+https://github.com/rust-lang/crates.io-index)",
- "numtoa 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "redox_syscall 0.1.54 (registry+https://github.com/rust-lang/crates.io-index)",
- "redox_termios 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
 [[package]]
 name = "thread_local"
 version = "0.3.6"
@@ -3267,7 +3189,7 @@ dependencies = [
 
 [[package]]
 name = "tiny-keccak"
-version = "1.4.2"
+version = "1.4.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "crunchy 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -3292,14 +3214,14 @@ dependencies = [
  "bytes 0.4.12 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures 0.1.27 (registry+https://github.com/rust-lang/crates.io-index)",
  "mio 0.6.19 (registry+https://github.com/rust-lang/crates.io-index)",
- "num_cpus 1.10.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "num_cpus 1.10.1 (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 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-fs 0.1.6 (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 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-sync 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-sync 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-tcp 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-threadpool 0.1.14 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-timer 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -3377,17 +3299,30 @@ dependencies = [
  "lazy_static 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "mio 0.6.19 (registry+https://github.com/rust-lang/crates.io-index)",
- "num_cpus 1.10.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "num_cpus 1.10.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "parking_lot 0.7.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "slab 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-executor 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-io 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-sync 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-sync 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "tokio-rustls"
+version = "0.10.0-alpha.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "bytes 0.4.12 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures 0.1.27 (registry+https://github.com/rust-lang/crates.io-index)",
+ "iovec 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rustls 0.15.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-io 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)",
+ "webpki 0.19.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "tokio-sync"
-version = "0.1.5"
+version = "0.1.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "fnv 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -3417,7 +3352,7 @@ dependencies = [
  "crossbeam-utils 0.6.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures 0.1.27 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "num_cpus 1.10.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "num_cpus 1.10.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand 0.6.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "slab 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-executor 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -3483,11 +3418,11 @@ dependencies = [
 
 [[package]]
 name = "trie-db"
-version = "0.12.2"
+version = "0.12.4"
 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 0.12.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "hash-db 0.12.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "hashmap_core 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand 0.6.5 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -3495,10 +3430,10 @@ dependencies = [
 
 [[package]]
 name = "trie-root"
-version = "0.12.2"
+version = "0.12.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "hash-db 0.12.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "hash-db 0.12.4 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -3507,7 +3442,7 @@ version = "0.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "block-cipher-trait 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "byteorder 1.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "byteorder 1.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "opaque-debug 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -3534,7 +3469,7 @@ name = "uint"
 version = "0.7.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "byteorder 1.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "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)",
  "heapsize 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "rustc-hex 2.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -3553,7 +3488,7 @@ name = "unicode-normalization"
 version = "0.1.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "smallvec 0.6.9 (registry+https://github.com/rust-lang/crates.io-index)",
+ "smallvec 0.6.10 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -3592,12 +3527,7 @@ dependencies = [
 
 [[package]]
 name = "utf8-ranges"
-version = "1.0.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-
-[[package]]
-name = "vcpkg"
-version = "0.2.6"
+version = "1.0.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
@@ -3612,15 +3542,15 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "wasm-bindgen"
-version = "0.2.45"
+version = "0.2.47"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "wasm-bindgen-macro 0.2.45 (registry+https://github.com/rust-lang/crates.io-index)",
+ "wasm-bindgen-macro 0.2.47 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "wasm-bindgen-backend"
-version = "0.2.45"
+version = "0.2.47"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "bumpalo 2.4.3 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -3628,49 +3558,49 @@ dependencies = [
  "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "proc-macro2 0.4.30 (registry+https://github.com/rust-lang/crates.io-index)",
  "quote 0.6.12 (registry+https://github.com/rust-lang/crates.io-index)",
- "syn 0.15.34 (registry+https://github.com/rust-lang/crates.io-index)",
- "wasm-bindgen-shared 0.2.45 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 0.15.36 (registry+https://github.com/rust-lang/crates.io-index)",
+ "wasm-bindgen-shared 0.2.47 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "wasm-bindgen-futures"
-version = "0.3.22"
+version = "0.3.24"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "futures 0.1.27 (registry+https://github.com/rust-lang/crates.io-index)",
- "js-sys 0.3.22 (registry+https://github.com/rust-lang/crates.io-index)",
- "wasm-bindgen 0.2.45 (registry+https://github.com/rust-lang/crates.io-index)",
+ "js-sys 0.3.24 (registry+https://github.com/rust-lang/crates.io-index)",
+ "wasm-bindgen 0.2.47 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "wasm-bindgen-macro"
-version = "0.2.45"
+version = "0.2.47"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "quote 0.6.12 (registry+https://github.com/rust-lang/crates.io-index)",
- "wasm-bindgen-macro-support 0.2.45 (registry+https://github.com/rust-lang/crates.io-index)",
+ "wasm-bindgen-macro-support 0.2.47 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "wasm-bindgen-macro-support"
-version = "0.2.45"
+version = "0.2.47"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "proc-macro2 0.4.30 (registry+https://github.com/rust-lang/crates.io-index)",
  "quote 0.6.12 (registry+https://github.com/rust-lang/crates.io-index)",
- "syn 0.15.34 (registry+https://github.com/rust-lang/crates.io-index)",
- "wasm-bindgen-backend 0.2.45 (registry+https://github.com/rust-lang/crates.io-index)",
- "wasm-bindgen-shared 0.2.45 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 0.15.36 (registry+https://github.com/rust-lang/crates.io-index)",
+ "wasm-bindgen-backend 0.2.47 (registry+https://github.com/rust-lang/crates.io-index)",
+ "wasm-bindgen-shared 0.2.47 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "wasm-bindgen-shared"
-version = "0.2.45"
+version = "0.2.47"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "wasm-bindgen-webidl"
-version = "0.2.45"
+version = "0.2.47"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "failure 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -3678,11 +3608,16 @@ dependencies = [
  "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "proc-macro2 0.4.30 (registry+https://github.com/rust-lang/crates.io-index)",
  "quote 0.6.12 (registry+https://github.com/rust-lang/crates.io-index)",
- "syn 0.15.34 (registry+https://github.com/rust-lang/crates.io-index)",
- "wasm-bindgen-backend 0.2.45 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 0.15.36 (registry+https://github.com/rust-lang/crates.io-index)",
+ "wasm-bindgen-backend 0.2.47 (registry+https://github.com/rust-lang/crates.io-index)",
  "weedle 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "wasm-builder-runner"
+version = "2.0.0"
+source = "git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch#16dec42b85346270fba58b9e3115895bb88246b4"
+
 [[package]]
 name = "wasm-timer"
 version = "0.1.1"
@@ -3691,8 +3626,8 @@ dependencies = [
  "futures 0.1.27 (registry+https://github.com/rust-lang/crates.io-index)",
  "send_wrapper 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-timer 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)",
- "wasm-bindgen 0.2.45 (registry+https://github.com/rust-lang/crates.io-index)",
- "web-sys 0.3.22 (registry+https://github.com/rust-lang/crates.io-index)",
+ "wasm-bindgen 0.2.47 (registry+https://github.com/rust-lang/crates.io-index)",
+ "web-sys 0.3.24 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -3715,15 +3650,32 @@ dependencies = [
 
 [[package]]
 name = "web-sys"
-version = "0.3.22"
+version = "0.3.24"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "env_logger 0.6.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "failure 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
- "js-sys 0.3.22 (registry+https://github.com/rust-lang/crates.io-index)",
+ "js-sys 0.3.24 (registry+https://github.com/rust-lang/crates.io-index)",
  "sourcefile 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
- "wasm-bindgen 0.2.45 (registry+https://github.com/rust-lang/crates.io-index)",
- "wasm-bindgen-webidl 0.2.45 (registry+https://github.com/rust-lang/crates.io-index)",
+ "wasm-bindgen 0.2.47 (registry+https://github.com/rust-lang/crates.io-index)",
+ "wasm-bindgen-webidl 0.2.47 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "webpki"
+version = "0.19.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "ring 0.14.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "untrusted 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "webpki-roots"
+version = "0.16.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "untrusted 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "webpki 0.19.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -3758,46 +3710,11 @@ name = "winapi-i686-pc-windows-gnu"
 version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
-[[package]]
-name = "winapi-util"
-version = "0.1.2"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "winapi 0.3.7 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
 [[package]]
 name = "winapi-x86_64-pc-windows-gnu"
 version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
-[[package]]
-name = "wincolor"
-version = "1.0.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "winapi 0.3.7 (registry+https://github.com/rust-lang/crates.io-index)",
- "winapi-util 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
-[[package]]
-name = "ws"
-version = "0.7.9"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "byteorder 1.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "bytes 0.4.12 (registry+https://github.com/rust-lang/crates.io-index)",
- "httparse 1.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "mio 0.6.19 (registry+https://github.com/rust-lang/crates.io-index)",
- "mio-extras 2.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
- "openssl 0.10.23 (registry+https://github.com/rust-lang/crates.io-index)",
- "rand 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "sha1 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "slab 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "url 1.7.2 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
 [[package]]
 name = "ws2_32-sys"
 version = "0.2.1"
@@ -3813,7 +3730,7 @@ version = "0.5.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "clear_on_drop 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "curve25519-dalek 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "curve25519-dalek 1.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand_core 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -3853,7 +3770,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "proc-macro2 0.4.30 (registry+https://github.com/rust-lang/crates.io-index)",
  "quote 0.6.12 (registry+https://github.com/rust-lang/crates.io-index)",
- "syn 0.15.34 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 0.15.36 (registry+https://github.com/rust-lang/crates.io-index)",
  "synstructure 0.10.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -3866,15 +3783,15 @@ dependencies = [
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 "checksum substrate-consensus-slots 2.0.0 (git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch)" = "<none>"
@@ -4168,15 +4076,12 @@ dependencies = [
 "checksum substrate-trie 2.0.0 (git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch)" = "<none>"
 "checksum subtle 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "2d67a5a62ba6e01cb2192ff309324cb4875d0c451d55fe2319433abe7a05a8ee"
 "checksum subtle 2.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "01dca13cf6c3b179864ab3292bd794e757618d35a7766b7c46050c614ba00829"
-"checksum syn 0.15.34 (registry+https://github.com/rust-lang/crates.io-index)" = "a1393e4a97a19c01e900df2aec855a29f71cf02c402e2f443b8d2747c25c5dbe"
+"checksum syn 0.15.36 (registry+https://github.com/rust-lang/crates.io-index)" = "8b4f551a91e2e3848aeef8751d0d4eec9489b6474c720fd4c55958d8d31a430c"
 "checksum synstructure 0.10.2 (registry+https://github.com/rust-lang/crates.io-index)" = "02353edf96d6e4dc81aea2d8490a7e9db177bf8acb0e951c24940bf866cb313f"
-"checksum take_mut 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "f764005d11ee5f36500a149ace24e00e3da98b0158b3e2d53a7495660d3f4d60"
-"checksum termcolor 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)" = "96d6098003bde162e4277c70665bd87c326f5a0c3f3fbfb285787fa482d54e6e"
-"checksum termion 1.5.2 (registry+https://github.com/rust-lang/crates.io-index)" = "dde0593aeb8d47accea5392b39350015b5eccb12c0d98044d856983d89548dea"
 "checksum thread_local 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)" = "c6b53e329000edc2b34dbe8545fd20e55a333362d0a321909685a19bd28c3f1b"
 "checksum time 0.1.42 (registry+https://github.com/rust-lang/crates.io-index)" = "db8dcfca086c1143c9270ac42a2bbd8a7ee477b78ac8e45b19abfb0cbede4b6f"
 "checksum tiny-bip39 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)" = "c1c5676413eaeb1ea35300a0224416f57abc3bd251657e0fafc12c47ff98c060"
-"checksum tiny-keccak 1.4.2 (registry+https://github.com/rust-lang/crates.io-index)" = "e9175261fbdb60781fcd388a4d6cc7e14764a2b629a7ad94abb439aed223a44f"
+"checksum tiny-keccak 1.4.3 (registry+https://github.com/rust-lang/crates.io-index)" = "dbbdebb0b801c7fa4260b6b9ac5a15980276d7d7bcc2dc2959a7c4dc8b426a1a"
 "checksum tk-listen 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "5462b0f968c0457efe38fcd2df7e487096b992419e4f5337b06775a614bbda4b"
 "checksum tokio 0.1.21 (registry+https://github.com/rust-lang/crates.io-index)" = "ec2ffcf4bcfc641413fa0f1427bf8f91dfc78f56a6559cbf50e04837ae442a87"
 "checksum tokio-codec 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "5c501eceaf96f0e1793cf26beb63da3d11c738c4a943fdf3746d81d64684c39f"
@@ -4186,7 +4091,8 @@ dependencies = [
 "checksum tokio-fs 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)" = "3fe6dc22b08d6993916647d108a1a7d15b9cd29c4f4496c62b92c45b5041b7af"
 "checksum tokio-io 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)" = "5090db468dad16e1a7a54c8c67280c5e4b544f3d3e018f0b913b400261f85926"
 "checksum tokio-reactor 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)" = "6af16bfac7e112bea8b0442542161bfc41cbfa4466b580bdda7d18cb88b911ce"
-"checksum tokio-sync 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)" = "5b2f843ffdf8d6e1f90bddd48da43f99ab071660cd92b7ec560ef3cdfd7a409a"
+"checksum tokio-rustls 0.10.0-alpha.3 (registry+https://github.com/rust-lang/crates.io-index)" = "316fdbc899efec48b3b492bd0f339e6d81c4ee96a409257572147ec341943452"
+"checksum tokio-sync 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)" = "2162248ff317e2bc713b261f242b69dbb838b85248ed20bb21df56d60ea4cae7"
 "checksum tokio-tcp 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)" = "1d14b10654be682ac43efee27401d792507e30fd8d26389e1da3b185de2e4119"
 "checksum tokio-threadpool 0.1.14 (registry+https://github.com/rust-lang/crates.io-index)" = "72558af20be886ea124595ea0f806dd5703b8958e4705429dd58b3d8231f72f2"
 "checksum tokio-timer 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)" = "f2106812d500ed25a4f38235b9cae8f78a09edf43203e16e59c3b769a342a60e"
@@ -4194,8 +4100,8 @@ dependencies = [
 "checksum tokio-udp 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)" = "66268575b80f4a4a710ef83d087fdfeeabdce9b74c797535fbac18a2cb906e92"
 "checksum tokio-uds 0.2.5 (registry+https://github.com/rust-lang/crates.io-index)" = "037ffc3ba0e12a0ab4aca92e5234e0dedeb48fddf6ccd260f1f150a36a9f2445"
 "checksum toml 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)" = "b8c96d7873fa7ef8bdeb3a9cda3ac48389b4154f32b9803b4bc26220b677b039"
-"checksum trie-db 0.12.2 (registry+https://github.com/rust-lang/crates.io-index)" = "1ba73747fd3a64ab531274c04cb588dfa9d30d972d62990831e63fbce2cfec59"
-"checksum trie-root 0.12.2 (registry+https://github.com/rust-lang/crates.io-index)" = "cfa2e20c4f1418ac2e71ddc418e35e1b56e34022e2146209ffdbf1b2de8b1bd9"
+"checksum trie-db 0.12.4 (registry+https://github.com/rust-lang/crates.io-index)" = "ae063390324bfcf36c7e8e4fb1f85f6f0fb5dd04e1cd282581eb7b8b34b32de7"
+"checksum trie-root 0.12.4 (registry+https://github.com/rust-lang/crates.io-index)" = "485c5dd851148b6fdac9009f7c256d0a4b5f99f08bd2e63c258f1e483aed4f1d"
 "checksum twofish 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "712d261e83e727c8e2dbb75dacac67c36e35db36a958ee504f2164fc052434e1"
 "checksum twox-hash 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)" = "6c7bcecad121018bdcd6b709fa2325b004878fcb3d3067934ce90749f0faff9a"
 "checksum typenum 1.10.0 (registry+https://github.com/rust-lang/crates.io-index)" = "612d636f949607bdf9b123b4a6f6d966dedf3ff669f7f045890d3a4a73948169"
@@ -4208,30 +4114,29 @@ dependencies = [
 "checksum unsigned-varint 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "2c64cdf40b4a9645534a943668681bcb219faf51874d4b65d2e0abda1b10a2ab"
 "checksum untrusted 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)" = "55cd1f4b4e96b46aeb8d4855db4a7a9bd96eeeb5c6a1ab54593328761642ce2f"
 "checksum url 1.7.2 (registry+https://github.com/rust-lang/crates.io-index)" = "dd4e7c0d531266369519a4aa4f399d748bd37043b00bde1e4ff1f60a120b355a"
-"checksum utf8-ranges 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)" = "796f7e48bef87609f7ade7e06495a87d5cd06c7866e6a5cbfceffc558a243737"
-"checksum vcpkg 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)" = "def296d3eb3b12371b2c7d0e83bfe1403e4db2d7a0bba324a12b21c4ee13143d"
+"checksum utf8-ranges 1.0.3 (registry+https://github.com/rust-lang/crates.io-index)" = "9d50aa7650df78abf942826607c62468ce18d9019673d4a2ebe1865dbb96ffde"
 "checksum version_check 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)" = "914b1a6776c4c929a602fafd8bc742e06365d4bcbe48c30f9cca5824f70dc9dd"
 "checksum void 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)" = "6a02e4885ed3bc0f2de90ea6dd45ebcbb66dacffe03547fadbb0eeae2770887d"
-"checksum wasm-bindgen 0.2.45 (registry+https://github.com/rust-lang/crates.io-index)" = "b7ccc7b93cfd13e26700a9e2e41e6305f1951b87e166599069f77d10358100e6"
-"checksum wasm-bindgen-backend 0.2.45 (registry+https://github.com/rust-lang/crates.io-index)" = "1953f91b1608eb1522513623c7739f047bb0fed4128ce51a93f08e12cc314645"
-"checksum wasm-bindgen-futures 0.3.22 (registry+https://github.com/rust-lang/crates.io-index)" = "fa1af11c73eca3dc8c51c76ea475a4416e912da6402064a49fc6c0214701866d"
-"checksum wasm-bindgen-macro 0.2.45 (registry+https://github.com/rust-lang/crates.io-index)" = "0f69da5696545d7ca6607a2e4b1a0edf5a6b36b2c49dbb0f1df6ad1d92884047"
-"checksum wasm-bindgen-macro-support 0.2.45 (registry+https://github.com/rust-lang/crates.io-index)" = "2d4246f3bc73223bbb846f4f2430a60725826a96c9389adf715ed1d5af46dec6"
-"checksum wasm-bindgen-shared 0.2.45 (registry+https://github.com/rust-lang/crates.io-index)" = "c08381e07e7a79e5e229ad7c60d15833d19033542cc5dd91d085df59d235f4a6"
-"checksum wasm-bindgen-webidl 0.2.45 (registry+https://github.com/rust-lang/crates.io-index)" = "1f42ff7adb8102bf5ad8adbc45b1635c520c8175f9fdf6eb2c54479d485d435a"
+"checksum wasm-bindgen 0.2.47 (registry+https://github.com/rust-lang/crates.io-index)" = "22029998cc650473cb05f10f19c06a1536b9e1f1572e4f5dacd45ab4d3f85877"
+"checksum wasm-bindgen-backend 0.2.47 (registry+https://github.com/rust-lang/crates.io-index)" = "6f858ff3cb4196c702e8c24b75fba1d3ab46958de4f7c253627f0507aae1507c"
+"checksum wasm-bindgen-futures 0.3.24 (registry+https://github.com/rust-lang/crates.io-index)" = "cc16facd42fc3d0fa0cae78b39516bac04496cf80518fd09bbfa33e9b0e9c92d"
+"checksum wasm-bindgen-macro 0.2.47 (registry+https://github.com/rust-lang/crates.io-index)" = "15c29f04eb117312931e7b02878453ee63d67a6f291797651890128bf5ee71db"
+"checksum wasm-bindgen-macro-support 0.2.47 (registry+https://github.com/rust-lang/crates.io-index)" = "92b1356b623816248dfe0e2c4b7e113618d647808907ff6a3d9838ebee8e82ee"
+"checksum wasm-bindgen-shared 0.2.47 (registry+https://github.com/rust-lang/crates.io-index)" = "15de16ddb30cfd424a87598b30021491bae1607d32e52056979865c98b7913b4"
+"checksum wasm-bindgen-webidl 0.2.47 (registry+https://github.com/rust-lang/crates.io-index)" = "21724123084234fff2f986018b790afc5d6f45c9a3903025e6c55d0068cb7d15"
+"checksum wasm-builder-runner 2.0.0 (git+https://github.com/paritytech/substrate?branch=bkchr-cumulus-branch)" = "<none>"
 "checksum wasm-timer 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "ad9ac33c834103916e373d648adf65f58c83fb3d8a0f3e6b9a64bca7253a4dca"
 "checksum wasmi 0.4.5 (registry+https://github.com/rust-lang/crates.io-index)" = "aebbaef470840d157a5c47c8c49f024da7b1b80e90ff729ca982b2b80447e78b"
 "checksum wasmi-validation 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "ab380192444b3e8522ae79c0a1976e42a82920916ccdfbce3def89f456ea33f3"
-"checksum web-sys 0.3.22 (registry+https://github.com/rust-lang/crates.io-index)" = "540b8259eb242ff3a566fa0140bda03a4ece4e5c226e1284b5c95dddcd4341f6"
+"checksum web-sys 0.3.24 (registry+https://github.com/rust-lang/crates.io-index)" = "22306ce642c58266cb5c5938150194911322bc179aa895146076217410ddbc82"
+"checksum webpki 0.19.1 (registry+https://github.com/rust-lang/crates.io-index)" = "4f7e1cd7900a3a6b65a3e8780c51a3e6b59c0e2c55c6dc69578c288d69f7d082"
+"checksum webpki-roots 0.16.0 (registry+https://github.com/rust-lang/crates.io-index)" = "c10fa4212003ba19a564f25cd8ab572c6791f99a03cc219c13ed35ccab00de0e"
 "checksum weedle 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)" = "bcc44aa200daee8b1f3a004beaf16554369746f1b4486f0cf93b0caf8a3c2d1e"
 "checksum winapi 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)" = "167dc9d6949a9b857f3451275e911c3f44255842c1f7a76f33c55103a909087a"
 "checksum winapi 0.3.7 (registry+https://github.com/rust-lang/crates.io-index)" = "f10e386af2b13e47c89e7236a7a14a086791a2b88ebad6df9bf42040195cf770"
 "checksum winapi-build 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "2d315eee3b34aca4797b2da6b13ed88266e6d612562a0c46390af8299fc699bc"
 "checksum winapi-i686-pc-windows-gnu 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "ac3b87c63620426dd9b991e5ce0329eff545bccbbb34f3be09ff6fb6ab51b7b6"
-"checksum winapi-util 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)" = "7168bab6e1daee33b4557efd0e95d5ca70a03706d39fa5f3fe7a236f584b03c9"
 "checksum winapi-x86_64-pc-windows-gnu 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "712e227841d057c1ee1cd2fb22fa7e5a5461ae8e48fa2ca79ec42cfc1931183f"
-"checksum wincolor 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)" = "561ed901ae465d6185fa7864d63fbd5720d0ef718366c9a4dc83cf6170d7e9ba"
-"checksum ws 0.7.9 (registry+https://github.com/rust-lang/crates.io-index)" = "329d3e6dd450a9c5c73024e1047f0be7e24121a68484eb0b5368977bee3cf8c3"
 "checksum ws2_32-sys 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "d59cefebd0c892fa2dd6de581e937301d8552cb44489cdff035c6187cb63fa5e"
 "checksum x25519-dalek 0.5.2 (registry+https://github.com/rust-lang/crates.io-index)" = "7ee1585dc1484373cbc1cee7aafda26634665cf449436fd6e24bfd1fad230538"
 "checksum yamux 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "01bd67889938c48f0049fc60a77341039e6c3eaf16cb7693e6ead7c0ba701295"
diff --git a/Cargo.toml b/Cargo.toml
index 56d21bbb8a..295eec7867 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -1,7 +1,7 @@
 [workspace]
-members = [ 
-  "consensus", 
-  "runtime", 
-  "test/runtime", 
+members = [
+  "consensus",
+  "runtime",
+  "test/runtime",
   "test/client",
 ]
diff --git a/consensus/src/lib.rs b/consensus/src/lib.rs
index 24833a6c5b..58a47b1a39 100644
--- a/consensus/src/lib.rs
+++ b/consensus/src/lib.rs
@@ -173,13 +173,13 @@ impl<B, E, RA> PolkadotClient for Arc<Client<B, E, PBlock, RA>> where
 
 	fn head_updates(&self, para_id: ParaId) -> Self::HeadUpdates {
 		let parachain_key = parachain_key(para_id);
-		let stream = stream::once(self.storage_changes_notification_stream(Some(&[parachain_key.clone()])))
+		let stream = stream::once(self.storage_changes_notification_stream(Some(&[parachain_key.clone()]), None))
 			.map(|s| s.map_err(|()| panic!("unbounded receivers never yield errors; qed")))
 			.flatten();
 
 		let s = stream.filter_map(move |(hash, changes)| {
 			let head_data = changes.iter()
-				.filter_map(|(k, v)| if k == &parachain_key { Some(v) } else { None })
+				.filter_map(|(_, k, v)| if k == &parachain_key { Some(v) } else { None })
 				.next();
 
 			match head_data {
diff --git a/runtime/Cargo.toml b/runtime/Cargo.toml
index ba50124121..6147babde1 100644
--- a/runtime/Cargo.toml
+++ b/runtime/Cargo.toml
@@ -5,21 +5,26 @@ authors = ["Parity Technologies <admin@parity.io>"]
 edition = "2018"
 
 [dependencies]
-codec = { package = "parity-codec", version = "3.1", default-features = false, features = [ "derive" ] }
+# Substrate dependencies
 rstd = { package = "sr-std", git = "https://github.com/paritytech/substrate", default-features = false, branch = "bkchr-cumulus-branch" }
 runtime-primitives = { package = "sr-primitives", git = "https://github.com/paritytech/substrate", default-features = false, branch = "bkchr-cumulus-branch" }
 primitives = { package = "substrate-primitives", git = "https://github.com/paritytech/substrate", default-features = false, branch = "bkchr-cumulus-branch" }
 rio = { package = "sr-io", git = "https://github.com/paritytech/substrate", default-features = false, branch = "bkchr-cumulus-branch" }
 executive = { package = "srml-executive", git = "https://github.com/paritytech/substrate", default-features = false, branch = "bkchr-cumulus-branch" }
 substrate-trie = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "bkchr-cumulus-branch" }
+
+# Polkadot dependencies
+parachain = { package = "polkadot-parachain", git = "https://github.com/paritytech/polkadot", default-features = false, branch = "bkchr-cumulus-branch" }
+
+# Other deps
+codec = { package = "parity-codec", version = "3.5.1", default-features = false, features = [ "derive" ] }
 memory-db = { version = "0.12.2", default-features = false }
 hash-db = { version = "0.12.2", default-features = false }
 trie-db = { version = "0.12.2", default-features = false }
-hashbrown = "0.1"
+hashbrown = "0.5.0"
 
 [dev-dependencies]
 keyring = { package = "substrate-keyring", git = "https://github.com/paritytech/substrate", branch = "bkchr-cumulus-branch" }
-primitives = { package = "substrate-primitives", git = "https://github.com/paritytech/substrate", branch = "bkchr-cumulus-branch" }
 executor = { package = "substrate-executor", git = "https://github.com/paritytech/substrate", branch = "bkchr-cumulus-branch" }
 consensus-common = { package = "substrate-consensus-common", git = "https://github.com/paritytech/substrate", branch = "bkchr-cumulus-branch" }
 test-client = { package = "cumulus-test-client", path = "../test/client" }
@@ -36,10 +41,11 @@ std = [
 	"memory-db/std",
 	"hash-db/std",
 	"trie-db/std",
-	"test-client/std",
 	"substrate-trie/std",
+	"parachain/std",
 ]
-wasm = [
+no_std = [
 	"hashbrown/nightly",
 	"rio/wasm-nice-panic-message",
+	"parachain/wasm-api",
 ]
diff --git a/runtime/src/validate_block/implementation.rs b/runtime/src/validate_block/implementation.rs
index d616419265..d3edccd0cc 100644
--- a/runtime/src/validate_block/implementation.rs
+++ b/runtime/src/validate_block/implementation.rs
@@ -28,7 +28,9 @@ use rstd::{slice, ptr, cmp, vec::Vec, boxed::Box, mem};
 
 use hash_db::HashDB;
 
-static mut STORAGE: Option<Box<Storage>> = None;
+use parachain::ValidationParams;
+
+static mut STORAGE: Option<Box<dyn Storage>> = None;
 /// The message to use as expect message while accessing the `STORAGE`.
 const STORAGE_SET_EXPECT: &str =
 	"`STORAGE` needs to be set before calling this function.";
@@ -53,18 +55,20 @@ trait Storage {
 }
 
 /// Validate a given parachain block on a validator.
-#[cfg(not(feature = "std"))]
 #[doc(hidden)]
 pub fn validate_block<B: BlockT, E: ExecuteBlock<B>>(
-	mut arguments: &[u8],
+	params: ValidationParams,
 ) {
 	use codec::Decode;
 
-	let (parent_hash, block_data): (B::Hash, crate::ParachainBlockData::<B>) = Decode::decode(&mut arguments)
-		.expect("Could not decode parachain block.");
+	let block_data = crate::ParachainBlockData::<B>::decode(&mut &params.block_data[..])
+		.expect("Invalid parachain block data");
+
+	let parent_head = B::Header::decode(&mut &params.parent_head[..]).expect("Invalid parent head");
+
 	// TODO: Add `PolkadotInherent`.
 	let block = B::new(block_data.header, block_data.extrinsics);
-	assert!(parent_hash == *block.header().parent_hash(), "Invalid parent hash");
+	assert!(parent_head.hash() == *block.header().parent_hash(), "Invalid parent hash");
 
 	let storage = WitnessStorage::<B>::new(
 		block_data.witness_data,
diff --git a/runtime/src/validate_block/mod.rs b/runtime/src/validate_block/mod.rs
index 99adf3a086..52f553798f 100644
--- a/runtime/src/validate_block/mod.rs
+++ b/runtime/src/validate_block/mod.rs
@@ -22,6 +22,10 @@ mod tests;
 #[doc(hidden)]
 pub mod implementation;
 
+#[cfg(not(feature = "std"))]
+#[doc(hidden)]
+pub use parachain;
+
 /// Register the `validate_block` function that is used by parachains to validate blocks on a validator.
 ///
 /// Does *nothing* when `std` feature is enabled.
@@ -58,16 +62,16 @@ macro_rules! register_validate_block_impl {
 			#[no_mangle]
 			unsafe fn validate_block(
 				arguments: *const u8,
-				arguments_len: u64,
+				arguments_len: usize,
 			) {
-				let arguments = $crate::slice::from_raw_parts(
+				let params = $crate::validate_block::parachain::wasm_api::load_params(
 					arguments,
-					arguments_len as usize,
+					arguments_len,
 				);
 
 				$crate::validate_block::implementation::validate_block::<
 					$block, $block_executor
-				>(arguments);
+				>(params);
 			}
 		}
 	};
diff --git a/runtime/src/validate_block/tests.rs b/runtime/src/validate_block/tests.rs
index 65fb5f981e..808701976c 100644
--- a/runtime/src/validate_block/tests.rs
+++ b/runtime/src/validate_block/tests.rs
@@ -18,34 +18,36 @@ use crate::{ParachainBlockData, WitnessData};
 
 use rio::TestExternalities;
 use keyring::AccountKeyring;
-use primitives::{storage::well_known_keys};
 use runtime_primitives::{generic::BlockId, traits::{Block as BlockT, Header as HeaderT}};
-use executor::{WasmExecutor, error::Result, wasmi::RuntimeValue::{I64, I32}};
-use test_client::{TestClientBuilder, TestClient, LongestChain, runtime::{Block, Transfer, Hash}};
+use executor::{WasmExecutor, error::Result, wasmi::RuntimeValue::I32};
+use test_client::{
+	TestClientBuilder, TestClientBuilderExt, DefaultTestClientBuilderExt, Client, LongestChain,
+	runtime::{Block, Transfer, Hash, WASM_BINARY, Header}
+};
 use consensus_common::SelectChain;
-
-use std::collections::HashMap;
+use parachain::ValidationParams;
 
 use codec::Encode;
 
-const WASM_CODE: &[u8] =
-	include_bytes!("../../../test/runtime/wasm/target/wasm32-unknown-unknown/release/cumulus_test_runtime.compact.wasm");
-
-fn call_validate_block(parent_hash: Hash, block_data: ParachainBlockData<Block>) -> Result<()> {
+fn call_validate_block(parent_head: Header, block_data: ParachainBlockData<Block>) -> Result<()> {
 	let mut ext = TestExternalities::default();
 	WasmExecutor::new().call_with_custom_signature(
 		&mut ext,
 		1024,
-		&WASM_CODE,
+		&WASM_BINARY,
 		"validate_block",
 		|alloc| {
-			let arguments = (parent_hash, block_data).encode();
-			let arguments_offset = alloc(&arguments)?;
+			let params = ValidationParams {
+				block_data: block_data.encode(),
+				parent_head: parent_head.encode(),
+				ingress: Vec::new(),
+			}.encode();
+			let params_offset = alloc(&params)?;
 
 			Ok(
 				vec![
-					I32(arguments_offset as i32),
-					I64(arguments.len() as i64),
+					I32(params_offset as i32),
+					I32(params.len() as i32),
 				]
 			)
 		},
@@ -88,17 +90,12 @@ fn create_extrinsics() -> Vec<<Block as BlockT>::Extrinsic> {
 	]
 }
 
-fn create_test_client() -> (TestClient, LongestChain) {
-	let mut genesis_extension = HashMap::new();
-	genesis_extension.insert(well_known_keys::CODE.to_vec(), WASM_CODE.to_vec());
-
-	TestClientBuilder::new()
-		.set_genesis_extension(genesis_extension)
-		.build_with_longest_chain()
+fn create_test_client() -> (Client, LongestChain) {
+	TestClientBuilder::new().build_with_longest_chain()
 }
 
 fn build_block_with_proof(
-	client: &TestClient,
+	client: &Client,
 	extrinsics: Vec<<Block as BlockT>::Extrinsic>,
 ) -> (Block, WitnessData) {
 	let block_id = BlockId::Hash(client.info().chain.best_hash);
@@ -119,10 +116,8 @@ fn build_block_with_proof(
 #[test]
 fn validate_block_with_no_extrinsics() {
 	let (client, longest_chain) = create_test_client();
-	let witness_data_storage_root = *longest_chain
-		.best_chain()
-		.expect("Best block exists")
-		.state_root();
+	let parent_head = longest_chain.best_chain().expect("Best block exists");
+	let witness_data_storage_root = *parent_head.state_root();
 	let (block, witness_data) = build_block_with_proof(&client, Vec::new());
 	let (header, extrinsics) = block.deconstruct();
 
@@ -132,16 +127,14 @@ fn validate_block_with_no_extrinsics() {
 		witness_data,
 		witness_data_storage_root
 	);
-	call_validate_block(client.info().chain.genesis_hash, block_data).expect("Calls `validate_block`");
+	call_validate_block(parent_head, block_data).expect("Calls `validate_block`");
 }
 
 #[test]
 fn validate_block_with_extrinsics() {
 	let (client, longest_chain) = create_test_client();
-	let witness_data_storage_root = *longest_chain
-		.best_chain()
-		.expect("Best block exists")
-		.state_root();
+	let parent_head = longest_chain.best_chain().expect("Best block exists");
+	let witness_data_storage_root = *parent_head.state_root();
 	let (block, witness_data) = build_block_with_proof(&client, create_extrinsics());
 	let (header, extrinsics) = block.deconstruct();
 
@@ -151,17 +144,15 @@ fn validate_block_with_extrinsics() {
 		witness_data,
 		witness_data_storage_root
 	);
-	call_validate_block(client.info().chain.genesis_hash, block_data).expect("Calls `validate_block`");
+	call_validate_block(parent_head, block_data).expect("Calls `validate_block`");
 }
 
 #[test]
 #[should_panic]
 fn validate_block_invalid_parent_hash() {
 	let (client, longest_chain) = create_test_client();
-	let witness_data_storage_root = *longest_chain
-		.best_chain()
-		.expect("Best block exists")
-		.state_root();
+	let parent_head = longest_chain.best_chain().expect("Best block exists");
+	let witness_data_storage_root = *parent_head.state_root();
 	let (block, witness_data) = build_block_with_proof(&client, Vec::new());
 	let (mut header, extrinsics) = block.deconstruct();
 	header.set_parent_hash(Hash::from_low_u64_be(1));
@@ -172,5 +163,5 @@ fn validate_block_invalid_parent_hash() {
 		witness_data,
 		witness_data_storage_root
 	);
-	call_validate_block(client.info().chain.genesis_hash, block_data).expect("Calls `validate_block`");
+	call_validate_block(parent_head, block_data).expect("Calls `validate_block`");
 }
diff --git a/scripts/build.sh b/scripts/build.sh
deleted file mode 100755
index 9cacf74dbb..0000000000
--- a/scripts/build.sh
+++ /dev/null
@@ -1,28 +0,0 @@
-#!/usr/bin/env bash
-
-# This script assumes that all pre-requisites are installed.
-
-set -e
-
-PROJECT_ROOT=`git rev-parse --show-toplevel`
-source `dirname "$0"`/common.sh
-
-export CARGO_INCREMENTAL=0
-
-# Save current directory.
-pushd .
-
-cd $ROOT
-
-for SRC in "${SRCS[@]}"
-do
-  echo "*** Building wasm binaries in $SRC"
-  cd "$PROJECT_ROOT/$SRC"
-
-  ./build.sh
-
-  cd - >> /dev/null
-done
-
-# Restore initial directory.
-popd
diff --git a/scripts/common.sh b/scripts/common.sh
deleted file mode 100644
index 065849c85f..0000000000
--- a/scripts/common.sh
+++ /dev/null
@@ -1,18 +0,0 @@
-#!/usr/bin/env bash
-
-ROOT=`dirname "$0"`
-
-# A list of directories which contain wasm projects.
-SRCS=(
-	"test/runtime/wasm"
-)
-
-# Make pushd/popd silent.
-
-pushd () {
-	command pushd "$@" > /dev/null
-}
-
-popd () {
-	command popd "$@" > /dev/null
-}
diff --git a/test/client/Cargo.toml b/test/client/Cargo.toml
index cb368a0550..97e895be4b 100644
--- a/test/client/Cargo.toml
+++ b/test/client/Cargo.toml
@@ -5,10 +5,7 @@ authors = ["Parity Technologies <admin@parity.io>"]
 edition = "2018"
 
 [dependencies]
-substrate-test-client = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "bkchr-cumulus-branch" }
-
-[features]
-default = ["std"]
-std = [
-	"substrate-test-client/std",
-]
+test-client = { package = "substrate-test-client", git = "https://github.com/paritytech/substrate", branch = "bkchr-cumulus-branch" }
+runtime = { package = "cumulus-test-runtime", path = "../runtime" }
+runtime_primitives = { package = "sr-primitives", git = "https://github.com/paritytech/substrate", branch = "bkchr-cumulus-branch" }
+primitives = { package = "substrate-primitives", git = "https://github.com/paritytech/substrate", branch = "bkchr-cumulus-branch" }
diff --git a/test/client/src/lib.rs b/test/client/src/lib.rs
index 405e61e5cb..e3a9cf2056 100644
--- a/test/client/src/lib.rs
+++ b/test/client/src/lib.rs
@@ -16,36 +16,108 @@
 
 //! A Cumulus test client.
 
-pub use substrate_test_client::*;
+pub use test_client::*;
+pub use runtime;
+use runtime::{Block, genesismap::{GenesisConfig, additional_storage_with_genesis}};
+use runtime_primitives::traits::{Hash as HashT, Header as HeaderT, Block as BlockT};
+use primitives::storage::well_known_keys;
 
 mod local_executor {
-	#![allow(missing_docs)]
-	use substrate_test_client::runtime;
-	use substrate_test_client::executor::native_executor_instance;
+	use test_client::executor::native_executor_instance;
 	native_executor_instance!(
 		pub LocalExecutor,
 		runtime::api::dispatch,
 		runtime::native_version,
-		include_bytes!("../../runtime/wasm/target/wasm32-unknown-unknown/release/cumulus_test_runtime.compact.wasm")
+		runtime::WASM_BINARY
 	);
 }
 
 /// Native executor used for tests.
 pub use local_executor::LocalExecutor;
 
-/// Test client executor.
-pub type Executor = client::LocalCallExecutor<
-	Backend,
-	executor::NativeExecutor<LocalExecutor>,
->;
+/// Test client database backend.
+pub type Backend = test_client::Backend<Block>;
 
-/// Test client type.
-pub type TestClient = client::Client<
-	Backend, Executor, runtime::Block, runtime::RuntimeApi
->;
+/// Test client executor.
+pub type Executor = client::LocalCallExecutor<Backend, executor::NativeExecutor<LocalExecutor>>;
 
 /// Test client builder for Cumulus
-pub type TestClientBuilder = substrate_test_client::TestClientBuilder<LocalExecutor, Backend>;
+pub type TestClientBuilder = test_client::TestClientBuilder<Executor, Backend, GenesisParameters>;
 
 /// LongestChain type for the test runtime/client.
-pub type LongestChain = substrate_test_client::client::LongestChain<Backend, runtime::Block>;
\ No newline at end of file
+pub type LongestChain = test_client::client::LongestChain<Backend, Block>;
+
+/// Test client type with `LocalExecutor` and generic Backend.
+pub type Client = client::Client<Backend, Executor, Block, runtime::RuntimeApi>;
+
+/// Parameters of test-client builder with test-runtime.
+#[derive(Default)]
+pub struct GenesisParameters {
+	support_changes_trie: bool,
+}
+
+impl test_client::GenesisInit for GenesisParameters {
+	fn genesis_storage(&self) -> (StorageOverlay, ChildrenStorageOverlay) {
+		let mut storage = genesis_config(self.support_changes_trie).genesis_map();
+		storage.insert(well_known_keys::CODE.to_vec(), runtime::WASM_BINARY.to_vec());
+
+		let state_root = <<<Block as BlockT>::Header as HeaderT>::Hashing as HashT>::trie_root(
+			storage.clone().into_iter()
+		);
+		let block: runtime::Block = client::genesis::construct_genesis_block(state_root);
+		storage.extend(additional_storage_with_genesis(&block));
+
+		(storage, Default::default())
+	}
+}
+
+/// A `test-runtime` extensions to `TestClientBuilder`.
+pub trait TestClientBuilderExt: Sized {
+	/// Enable or disable support for changes trie in genesis.
+	fn set_support_changes_trie(self, support_changes_trie: bool) -> Self;
+
+	/// Build the test client.
+	fn build(self) -> Client {
+		self.build_with_longest_chain().0
+	}
+
+	/// Build the test client and longest chain selector.
+	fn build_with_longest_chain(self) -> (Client, LongestChain);
+}
+
+impl TestClientBuilderExt for TestClientBuilder {
+	fn set_support_changes_trie(mut self, support_changes_trie: bool) -> Self {
+		self.genesis_init_mut().support_changes_trie = support_changes_trie;
+		self
+	}
+
+	fn build_with_longest_chain(self) -> (Client, LongestChain) {
+		self.build_with_native_executor(None)
+	}
+}
+
+/// A `TestClientBuilder` with default backend and executor.
+pub trait DefaultTestClientBuilderExt: Sized {
+	/// Create new `TestClientBuilder`
+	fn new() -> Self;
+}
+
+impl DefaultTestClientBuilderExt for TestClientBuilder {
+	fn new() -> Self {
+		Self::with_default_backend()
+	}
+}
+
+fn genesis_config(support_changes_trie: bool) -> GenesisConfig {
+	GenesisConfig::new(support_changes_trie, vec![
+		AuthorityKeyring::Alice.into(),
+		AuthorityKeyring::Bob.into(),
+		AuthorityKeyring::Charlie.into(),
+	], vec![
+		AccountKeyring::Alice.into(),
+		AccountKeyring::Bob.into(),
+		AccountKeyring::Charlie.into(),
+	],
+		1000
+	)
+}
\ No newline at end of file
diff --git a/test/runtime/Cargo.toml b/test/runtime/Cargo.toml
index fb57bbbcc6..8e86be3ea3 100644
--- a/test/runtime/Cargo.toml
+++ b/test/runtime/Cargo.toml
@@ -3,15 +3,22 @@ name = "cumulus-test-runtime"
 version = "0.1.0"
 authors = ["Parity Technologies <admin@parity.io>"]
 edition = "2018"
+build = "build.rs"
 
 [dependencies]
 runtime = { package = "cumulus-runtime", path = "../../runtime", default-features = false }
 substrate-test-runtime = { git = "https://github.com/paritytech/substrate", default-features = false, branch = "bkchr-cumulus-branch" }
 
+[build-dependencies]
+wasm-builder-runner = { git = "https://github.com/paritytech/substrate", branch = "bkchr-cumulus-branch" }
+
 [features]
 default = ["std"]
 std = [
 	"runtime/std",
 	"substrate-test-runtime/std",
 ]
-wasm = ["runtime/wasm"]
+no_std = [
+	"runtime/no_std",
+	"substrate-test-runtime/no_std",
+]
diff --git a/test/runtime/wasm/src/lib.rs b/test/runtime/build.rs
similarity index 65%
rename from test/runtime/wasm/src/lib.rs
rename to test/runtime/build.rs
index c6706483a9..6882aa2fea 100644
--- a/test/runtime/wasm/src/lib.rs
+++ b/test/runtime/build.rs
@@ -12,10 +12,16 @@
 // GNU General Public License for more details.
 
 // You should have received a copy of the GNU General Public License
-// along with Cumulus.  If not, see <http://www.gnu.org/licenses/>.
+// along with Substrate.  If not, see <http://www.gnu.org/licenses/>.
 
-//! The Cumulus test runtime reexported for WebAssembly compile.
+use wasm_builder_runner::{build_current_project, WasmBuilderSource};
 
-#![cfg_attr(not(feature = "std"), no_std)]
-
-pub use cumulus_test_runtime::*;
+fn main() {
+	build_current_project(
+		"wasm_binary.rs",
+		WasmBuilderSource::Git {
+			repo: "https://github.com/paritytech/substrate",
+			rev: "c7fa536d85df5d6a0fc5cdc3f82b6e5a1a2db640",
+		}
+	);
+}
\ No newline at end of file
diff --git a/test/runtime/src/lib.rs b/test/runtime/src/lib.rs
index 9babe030d8..5cbcabcafd 100644
--- a/test/runtime/src/lib.rs
+++ b/test/runtime/src/lib.rs
@@ -18,6 +18,10 @@
 
 #![cfg_attr(not(feature = "std"), no_std)]
 
+// Make the WASM binary available.
+#[cfg(feature = "std")]
+include!(concat!(env!("OUT_DIR"), "/wasm_binary.rs"));
+
 pub use substrate_test_runtime::*;
 
 runtime::register_validate_block!(Block, system::BlockExecutor);
\ No newline at end of file
diff --git a/test/runtime/wasm/Cargo.lock b/test/runtime/wasm/Cargo.lock
deleted file mode 100644
index 38fcf25640..0000000000
--- a/test/runtime/wasm/Cargo.lock
+++ /dev/null
@@ -1,798 +0,0 @@
-# This file is automatically @generated by Cargo.
-# It is not intended for manual editing.
-[[package]]
-name = "arrayvec"
-version = "0.4.10"
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-]
-
-[[package]]
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-source = "registry+https://github.com/rust-lang/crates.io-index"
-
-[[package]]
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-[[package]]
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-
-[[package]]
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-version = "0.1.0"
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diff --git a/test/runtime/wasm/Cargo.toml b/test/runtime/wasm/Cargo.toml
deleted file mode 100644
index ff004de1d6..0000000000
--- a/test/runtime/wasm/Cargo.toml
+++ /dev/null
@@ -1,23 +0,0 @@
-[package]
-name = "cumulus-test-runtime-wasm"
-version = "0.1.0"
-authors = ["Parity Technologies <admin@parity.io>"]
-edition = "2018"
-
-[lib]
-name = "cumulus_test_runtime"
-crate-type = ["cdylib"]
-
-[dependencies]
-cumulus-test-runtime = { path = "..", default-features = false }
-
-[features]
-default = ["wasm"]
-wasm = ["cumulus-test-runtime/wasm"]
-
-[profile.release]
-panic = "abort"
-lto = true
-
-[workspace]
-members = []
diff --git a/test/runtime/wasm/build.sh b/test/runtime/wasm/build.sh
deleted file mode 100755
index 8062225418..0000000000
--- a/test/runtime/wasm/build.sh
+++ /dev/null
@@ -1,13 +0,0 @@
-#!/usr/bin/env bash
-set -e
-
-if cargo --version | grep -q "nightly"; then
-	CARGO_CMD="cargo"
-else
-	CARGO_CMD="cargo +nightly"
-fi
-CARGO_INCREMENTAL=0 RUSTFLAGS="-C link-arg=--export-table" $CARGO_CMD build --target=wasm32-unknown-unknown --release
-for i in cumulus_test_runtime
-do
-	wasm-gc target/wasm32-unknown-unknown/release/$i.wasm target/wasm32-unknown-unknown/release/$i.compact.wasm
-done