diff --git a/substrate/Cargo.lock b/substrate/Cargo.lock
index 3577200e06..be65569197 100644
--- a/substrate/Cargo.lock
+++ b/substrate/Cargo.lock
@@ -5,7 +5,7 @@ name = "MacTypes-sys"
 version = "2.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "libc 0.2.51 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.48 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -15,7 +15,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "aes-soft 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "aesni 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "ctr 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "ctr 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "stream-cipher 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -41,18 +41,10 @@ dependencies = [
 
 [[package]]
 name = "aho-corasick"
-version = "0.6.10"
+version = "0.6.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "memchr 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
-]
-
-[[package]]
-name = "aho-corasick"
-version = "0.7.3"
-source = "registry+https://github.com/rust-lang/crates.io-index"
-dependencies = [
- "memchr 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "memchr 2.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -64,7 +56,7 @@ dependencies = [
  "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "parking_lot 0.5.5 (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-io 0.1.11 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-timer 0.2.10 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -73,7 +65,7 @@ name = "ansi_term"
 version = "0.11.0"
 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 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -114,7 +106,7 @@ 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 0.15.30 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 0.15.31 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -127,9 +119,9 @@ name = "atty"
 version = "0.2.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "libc 0.2.51 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.48 (registry+https://github.com/rust-lang/crates.io-index)",
  "termion 1.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "winapi 0.3.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -139,15 +131,15 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "backtrace"
-version = "0.3.15"
+version = "0.3.13"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "autocfg 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "backtrace-sys 0.1.28 (registry+https://github.com/rust-lang/crates.io-index)",
  "cfg-if 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.51 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.48 (registry+https://github.com/rust-lang/crates.io-index)",
  "rustc-demangle 0.1.13 (registry+https://github.com/rust-lang/crates.io-index)",
- "winapi 0.3.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -156,7 +148,7 @@ version = "0.1.28"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "cc 1.0.26 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.51 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.48 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -197,23 +189,22 @@ dependencies = [
 
 [[package]]
 name = "bindgen"
-version = "0.47.3"
+version = "0.43.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "bitflags 1.0.4 (registry+https://github.com/rust-lang/crates.io-index)",
- "cexpr 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cexpr 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "cfg-if 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
  "clang-sys 0.26.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "clap 2.32.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "env_logger 0.6.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "hashbrown 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "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)",
  "peeking_take_while 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "proc-macro2 0.4.27 (registry+https://github.com/rust-lang/crates.io-index)",
- "quote 0.6.12 (registry+https://github.com/rust-lang/crates.io-index)",
- "regex 1.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
- "which 2.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "proc-macro2 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "quote 0.5.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "regex 1.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "which 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -309,7 +300,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "bytes"
-version = "0.4.12"
+version = "0.4.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "byteorder 1.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -331,10 +322,10 @@ dependencies = [
 
 [[package]]
 name = "cexpr"
-version = "0.3.5"
+version = "0.3.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "nom 4.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "nom 4.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -358,7 +349,7 @@ version = "0.26.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "glob 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.51 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.48 (registry+https://github.com/rust-lang/crates.io-index)",
  "libloading 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -412,7 +403,7 @@ version = "0.5.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "core-foundation-sys 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.51 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.48 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -420,7 +411,7 @@ name = "core-foundation-sys"
 version = "0.5.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "libc 0.2.51 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.48 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -432,17 +423,17 @@ dependencies = [
  "cast 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "clap 2.32.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "criterion-plot 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "csv 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "csv 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "itertools 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "lazy_static 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "num-traits 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand_core 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "rand_os 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rand_os 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand_xoshiro 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "rayon 1.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.90 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_derive 1.0.90 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_json 1.0.39 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.87 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_derive 1.0.87 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_json 1.0.38 (registry+https://github.com/rust-lang/crates.io-index)",
  "tinytemplate 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "walkdir 2.2.7 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -468,7 +459,7 @@ 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 1.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "parking_lot 0.7.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -478,7 +469,7 @@ 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)",
+ "smallvec 0.6.8 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -590,13 +581,11 @@ dependencies = [
 
 [[package]]
 name = "csv"
-version = "1.0.6"
+version = "1.0.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "csv-core 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
- "itoa 0.4.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "ryu 0.2.7 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.90 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.87 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -604,21 +593,21 @@ name = "csv-core"
 version = "0.1.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "memchr 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "memchr 2.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "ctor"
-version = "0.1.8"
+version = "0.1.9"
 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 0.15.30 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 0.15.31 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "ctr"
-version = "0.3.2"
+version = "0.3.0"
 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)",
@@ -631,7 +620,7 @@ version = "3.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "nix 0.11.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "winapi 0.3.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -645,13 +634,13 @@ dependencies = [
 
 [[package]]
 name = "curve25519-dalek"
-version = "1.1.3"
+version = "1.0.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "byteorder 1.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "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)",
+ "rand 0.6.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "subtle 2.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -668,7 +657,7 @@ dependencies = [
  "proc-macro2 0.4.27 (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 0.15.30 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 0.15.31 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -712,7 +701,7 @@ 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 1.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "curve25519-dalek 1.0.3 (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)",
@@ -720,7 +709,7 @@ dependencies = [
 
 [[package]]
 name = "either"
-version = "1.5.2"
+version = "1.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
@@ -739,7 +728,7 @@ 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 1.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "regex 1.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "termcolor 1.0.4 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -753,16 +742,16 @@ name = "error-chain"
 version = "0.12.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "backtrace 0.3.15 (registry+https://github.com/rust-lang/crates.io-index)",
+ "backtrace 0.3.13 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "exit-future"
-version = "0.1.4"
+version = "0.1.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "futures 0.1.26 (registry+https://github.com/rust-lang/crates.io-index)",
- "parking_lot 0.7.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "parking_lot 0.6.4 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -770,7 +759,7 @@ name = "failure"
 version = "0.1.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "backtrace 0.3.15 (registry+https://github.com/rust-lang/crates.io-index)",
+ "backtrace 0.3.13 (registry+https://github.com/rust-lang/crates.io-index)",
  "failure_derive 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -781,7 +770,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "proc-macro2 0.4.27 (registry+https://github.com/rust-lang/crates.io-index)",
  "quote 0.6.12 (registry+https://github.com/rust-lang/crates.io-index)",
- "syn 0.15.30 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 0.15.31 (registry+https://github.com/rust-lang/crates.io-index)",
  "synstructure 0.10.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -795,12 +784,12 @@ name = "fdlimit"
 version = "0.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "libc 0.2.51 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.48 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "finality-grandpa"
-version = "0.7.1"
+version = "0.7.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "futures 0.1.26 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -819,7 +808,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "byteorder 1.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "heapsize 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.51 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.48 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand 0.5.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "rustc-hex 2.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "static_assertions 0.2.5 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -856,9 +845,9 @@ version = "0.2.4"
 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)",
- "libc 0.2.51 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.48 (registry+https://github.com/rust-lang/crates.io-index)",
  "libloading 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "winapi 0.3.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -891,7 +880,7 @@ version = "0.1.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "futures 0.1.26 (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 1.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -926,28 +915,28 @@ name = "globset"
 version = "0.4.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "aho-corasick 0.6.10 (registry+https://github.com/rust-lang/crates.io-index)",
+ "aho-corasick 0.6.9 (registry+https://github.com/rust-lang/crates.io-index)",
  "fnv 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "memchr 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "regex 1.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "memchr 2.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "regex 1.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "h2"
-version = "0.1.17"
+version = "0.1.16"
 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)",
+ "bytes 0.4.11 (registry+https://github.com/rust-lang/crates.io-index)",
  "fnv 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures 0.1.26 (registry+https://github.com/rust-lang/crates.io-index)",
- "http 0.1.17 (registry+https://github.com/rust-lang/crates.io-index)",
+ "http 0.1.15 (registry+https://github.com/rust-lang/crates.io-index)",
  "indexmap 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "slab 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "string 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-io 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-io 0.1.11 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -957,7 +946,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "hash256-std-hasher"
-version = "0.12.2"
+version = "0.12.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "crunchy 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -982,7 +971,7 @@ name = "heapsize"
 version = "0.4.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "winapi 0.3.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1000,16 +989,16 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "hex-literal"
-version = "0.1.4"
+version = "0.1.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "hex-literal-impl 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "hex-literal-impl 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "proc-macro-hack 0.4.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "hex-literal-impl"
-version = "0.1.2"
+version = "0.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "proc-macro-hack 0.4.1 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1046,10 +1035,10 @@ dependencies = [
 
 [[package]]
 name = "http"
-version = "0.1.17"
+version = "0.1.15"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "bytes 0.4.12 (registry+https://github.com/rust-lang/crates.io-index)",
+ "bytes 0.4.11 (registry+https://github.com/rust-lang/crates.io-index)",
  "fnv 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "itoa 0.4.3 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -1077,7 +1066,7 @@ dependencies = [
  "language-tags 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)",
  "mime 0.2.6 (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 1.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "time 0.1.42 (registry+https://github.com/rust-lang/crates.io-index)",
  "traitobject 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "typeable 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1087,25 +1076,24 @@ dependencies = [
 
 [[package]]
 name = "hyper"
-version = "0.12.25"
+version = "0.12.23"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "bytes 0.4.12 (registry+https://github.com/rust-lang/crates.io-index)",
+ "bytes 0.4.11 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures 0.1.26 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures-cpupool 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)",
- "h2 0.1.17 (registry+https://github.com/rust-lang/crates.io-index)",
- "http 0.1.17 (registry+https://github.com/rust-lang/crates.io-index)",
+ "h2 0.1.16 (registry+https://github.com/rust-lang/crates.io-index)",
+ "http 0.1.15 (registry+https://github.com/rust-lang/crates.io-index)",
  "httparse 1.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "iovec 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "itoa 0.4.3 (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)",
- "rustc_version 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "time 0.1.42 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio 0.1.18 (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-reactor 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-io 0.1.11 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-reactor 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-tcp 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-threadpool 0.1.13 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-timer 0.2.10 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1136,7 +1124,7 @@ version = "0.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "rustc-hex 2.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.90 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.87 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1159,7 +1147,7 @@ name = "iovec"
 version = "0.1.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "libc 0.2.51 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.48 (registry+https://github.com/rust-lang/crates.io-index)",
  "winapi 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -1168,7 +1156,7 @@ name = "itertools"
 version = "0.8.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "either 1.5.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "either 1.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1178,74 +1166,74 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "jsonrpc-core"
-version = "10.1.0"
+version = "10.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "futures 0.1.26 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.90 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_derive 1.0.90 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_json 1.0.39 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.87 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_derive 1.0.87 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_json 1.0.38 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "jsonrpc-derive"
-version = "10.1.0"
+version = "10.0.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "proc-macro2 0.4.27 (registry+https://github.com/rust-lang/crates.io-index)",
  "quote 0.6.12 (registry+https://github.com/rust-lang/crates.io-index)",
- "syn 0.15.30 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 0.15.31 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "jsonrpc-http-server"
-version = "10.1.0"
+version = "10.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "hyper 0.12.25 (registry+https://github.com/rust-lang/crates.io-index)",
- "jsonrpc-core 10.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "jsonrpc-server-utils 10.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "hyper 0.12.23 (registry+https://github.com/rust-lang/crates.io-index)",
+ "jsonrpc-core 10.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "jsonrpc-server-utils 10.0.1 (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)",
- "unicase 2.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "unicase 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "jsonrpc-pubsub"
-version = "10.1.0"
+version = "10.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "jsonrpc-core 10.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "jsonrpc-core 10.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "parking_lot 0.7.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.90 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.87 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "jsonrpc-server-utils"
-version = "10.1.0"
+version = "10.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "bytes 0.4.12 (registry+https://github.com/rust-lang/crates.io-index)",
+ "bytes 0.4.11 (registry+https://github.com/rust-lang/crates.io-index)",
  "globset 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "jsonrpc-core 10.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "jsonrpc-core 10.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "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)",
- "num_cpus 1.10.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "num_cpus 1.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio 0.1.18 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-codec 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "unicase 2.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "unicase 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "jsonrpc-ws-server"
-version = "10.1.0"
+version = "10.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "error-chain 0.12.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "jsonrpc-core 10.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "jsonrpc-server-utils 10.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "jsonrpc-core 10.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "jsonrpc-server-utils 10.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-ws 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "parking_lot 0.7.1 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1259,11 +1247,11 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "keccak-hasher"
-version = "0.12.2"
+version = "0.12.0"
 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)",
- "hash256-std-hasher 0.12.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "hash256-std-hasher 0.12.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "tiny-keccak 1.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -1304,9 +1292,9 @@ dependencies = [
  "interleaved-ordered 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "kvdb 0.1.0 (git+https://github.com/paritytech/parity-common?rev=b0317f649ab2c665b7987b8475878fc4d2e1f81d)",
  "log 0.4.6 (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 1.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "parking_lot 0.6.4 (registry+https://github.com/rust-lang/crates.io-index)",
- "regex 1.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "regex 1.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "rocksdb 0.11.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -1327,7 +1315,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "libc"
-version = "0.2.51"
+version = "0.2.48"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
@@ -1336,7 +1324,7 @@ version = "0.5.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "cc 1.0.26 (registry+https://github.com/rust-lang/crates.io-index)",
- "winapi 0.3.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1344,7 +1332,7 @@ name = "libp2p"
 version = "0.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "bytes 0.4.12 (registry+https://github.com/rust-lang/crates.io-index)",
+ "bytes 0.4.11 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures 0.1.26 (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 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1367,11 +1355,11 @@ dependencies = [
  "parity-multiaddr 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-multihash 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "parking_lot 0.7.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "smallvec 0.6.9 (registry+https://github.com/rust-lang/crates.io-index)",
- "stdweb 0.4.15 (registry+https://github.com/rust-lang/crates.io-index)",
+ "smallvec 0.6.8 (registry+https://github.com/rust-lang/crates.io-index)",
+ "stdweb 0.4.13 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-codec 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-executor 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-io 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-io 0.1.11 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1381,7 +1369,7 @@ 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)",
  "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)",
+ "bytes 0.4.11 (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)",
  "fnv 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1392,16 +1380,16 @@ dependencies = [
  "parity-multiaddr 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-multihash 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "parking_lot 0.7.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "protobuf 2.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "protobuf 2.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "quick-error 1.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand 0.6.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "ring 0.14.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "rw-stream-sink 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "secp256k1 0.12.2 (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 0.6.8 (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-io 0.1.11 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-timer 0.2.10 (registry+https://github.com/rust-lang/crates.io-index)",
  "unsigned-varint 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "untrusted 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1415,7 +1403,7 @@ version = "0.6.0"
 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 0.15.30 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 0.15.31 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1428,7 +1416,7 @@ dependencies = [
  "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-multiaddr 0.2.0 (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)",
+ "tokio-io 0.1.11 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1437,16 +1425,16 @@ version = "0.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "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)",
+ "bytes 0.4.11 (registry+https://github.com/rust-lang/crates.io-index)",
  "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 0.1.26 (registry+https://github.com/rust-lang/crates.io-index)",
  "libp2p-core 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "protobuf 2.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "protobuf 2.3.0 (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 0.6.8 (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-io 0.1.11 (registry+https://github.com/rust-lang/crates.io-index)",
  "unsigned-varint 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -1455,17 +1443,17 @@ name = "libp2p-identify"
 version = "0.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "bytes 0.4.12 (registry+https://github.com/rust-lang/crates.io-index)",
+ "bytes 0.4.11 (registry+https://github.com/rust-lang/crates.io-index)",
  "fnv 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures 0.1.26 (registry+https://github.com/rust-lang/crates.io-index)",
  "libp2p-core 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-multiaddr 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "parking_lot 0.7.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "protobuf 2.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "smallvec 0.6.9 (registry+https://github.com/rust-lang/crates.io-index)",
+ "protobuf 2.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "smallvec 0.6.8 (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-io 0.1.11 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-timer 0.2.10 (registry+https://github.com/rust-lang/crates.io-index)",
  "unsigned-varint 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "void 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1480,7 +1468,7 @@ dependencies = [
  "arrayvec 0.4.10 (registry+https://github.com/rust-lang/crates.io-index)",
  "bigint 4.4.1 (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)",
+ "bytes 0.4.11 (registry+https://github.com/rust-lang/crates.io-index)",
  "fnv 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures 0.1.26 (registry+https://github.com/rust-lang/crates.io-index)",
  "libp2p-core 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1490,11 +1478,11 @@ dependencies = [
  "parity-multiaddr 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-multihash 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "parking_lot 0.7.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "protobuf 2.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "protobuf 2.3.0 (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 0.6.8 (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-io 0.1.11 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-timer 0.2.10 (registry+https://github.com/rust-lang/crates.io-index)",
  "unsigned-varint 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "void 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1513,9 +1501,9 @@ dependencies = [
  "net2 0.2.33 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-multiaddr 0.2.0 (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)",
- "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)",
+ "smallvec 0.6.8 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-io 0.1.11 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-reactor 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-timer 0.2.10 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-udp 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "void 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1526,14 +1514,14 @@ name = "libp2p-mplex"
 version = "0.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "bytes 0.4.12 (registry+https://github.com/rust-lang/crates.io-index)",
+ "bytes 0.4.11 (registry+https://github.com/rust-lang/crates.io-index)",
  "fnv 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures 0.1.26 (registry+https://github.com/rust-lang/crates.io-index)",
  "libp2p-core 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "parking_lot 0.7.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "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-io 0.1.11 (registry+https://github.com/rust-lang/crates.io-index)",
  "unsigned-varint 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -1542,16 +1530,16 @@ name = "libp2p-noise"
 version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "curve25519-dalek 1.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "curve25519-dalek 1.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures 0.1.26 (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 0.6.0 (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)",
  "ring 0.14.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "snow 0.5.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-io 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)",
- "x25519-dalek 0.5.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "snow 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-io 0.1.11 (registry+https://github.com/rust-lang/crates.io-index)",
+ "x25519-dalek 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "zeroize 0.5.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -1561,7 +1549,7 @@ version = "0.6.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "arrayvec 0.4.10 (registry+https://github.com/rust-lang/crates.io-index)",
- "bytes 0.4.12 (registry+https://github.com/rust-lang/crates.io-index)",
+ "bytes 0.4.11 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures 0.1.26 (registry+https://github.com/rust-lang/crates.io-index)",
  "libp2p-core 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1569,7 +1557,7 @@ dependencies = [
  "parking_lot 0.7.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand 0.6.5 (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-io 0.1.11 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-timer 0.2.10 (registry+https://github.com/rust-lang/crates.io-index)",
  "void 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -1594,7 +1582,7 @@ dependencies = [
  "libp2p-core 0.6.0 (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)",
+ "tokio-io 0.1.11 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1604,21 +1592,21 @@ 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)",
- "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)",
+ "bytes 0.4.11 (registry+https://github.com/rust-lang/crates.io-index)",
+ "ctr 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures 0.1.26 (registry+https://github.com/rust-lang/crates.io-index)",
  "hmac 0.7.0 (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 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "protobuf 2.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "protobuf 2.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand 0.6.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "ring 0.14.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "rw-stream-sink 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "secp256k1 0.12.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "sha2 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "stdweb 0.4.15 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-io 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)",
+ "stdweb 0.4.13 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-io 0.1.11 (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)",
 ]
@@ -1633,7 +1621,7 @@ dependencies = [
  "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-multiaddr 0.2.0 (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)",
+ "tokio-io 0.1.11 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-tcp 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -1659,9 +1647,9 @@ dependencies = [
  "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-multiaddr 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "rw-stream-sink 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "stdweb 0.4.15 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-io 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)",
- "websocket 0.22.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "stdweb 0.4.13 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-io 0.1.11 (registry+https://github.com/rust-lang/crates.io-index)",
+ "websocket 0.22.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1672,19 +1660,20 @@ dependencies = [
  "futures 0.1.26 (registry+https://github.com/rust-lang/crates.io-index)",
  "libp2p-core 0.6.0 (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)",
+ "tokio-io 0.1.11 (registry+https://github.com/rust-lang/crates.io-index)",
  "yamux 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "librocksdb-sys"
-version = "5.17.2"
+version = "5.14.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "bindgen 0.47.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "bindgen 0.43.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "cc 1.0.26 (registry+https://github.com/rust-lang/crates.io-index)",
  "glob 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.51 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.48 (registry+https://github.com/rust-lang/crates.io-index)",
+ "make-cmd 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1746,6 +1735,11 @@ dependencies = [
  "linked-hash-map 0.5.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "make-cmd"
+version = "0.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
 [[package]]
 name = "matches"
 version = "0.1.8"
@@ -1753,10 +1747,11 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "memchr"
-version = "2.2.0"
+version = "2.1.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "libc 0.2.51 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cfg-if 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.48 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1781,12 +1776,13 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "merlin"
-version = "1.0.3"
+version = "1.0.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "byteorder 1.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "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 0.6.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand_core 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -1808,7 +1804,7 @@ dependencies = [
  "iovec 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "kernel32-sys 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "lazycell 1.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.51 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.48 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "miow 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "net2 0.2.33 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -1833,7 +1829,7 @@ version = "0.6.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "iovec 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.51 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.48 (registry+https://github.com/rust-lang/crates.io-index)",
  "mio 0.6.16 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -1853,12 +1849,12 @@ name = "multistream-select"
 version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "bytes 0.4.12 (registry+https://github.com/rust-lang/crates.io-index)",
+ "bytes 0.4.11 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures 0.1.26 (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 0.6.8 (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-io 0.1.11 (registry+https://github.com/rust-lang/crates.io-index)",
  "unsigned-varint 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -1876,15 +1872,15 @@ version = "0.2.2"
 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)",
- "libc 0.2.51 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.48 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "openssl 0.10.20 (registry+https://github.com/rust-lang/crates.io-index)",
+ "openssl 0.10.16 (registry+https://github.com/rust-lang/crates.io-index)",
  "openssl-probe 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "openssl-sys 0.9.43 (registry+https://github.com/rust-lang/crates.io-index)",
- "schannel 0.1.15 (registry+https://github.com/rust-lang/crates.io-index)",
+ "openssl-sys 0.9.40 (registry+https://github.com/rust-lang/crates.io-index)",
+ "schannel 0.1.14 (registry+https://github.com/rust-lang/crates.io-index)",
  "security-framework 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "security-framework-sys 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "tempfile 3.0.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tempfile 3.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1893,8 +1889,8 @@ version = "0.2.33"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "cfg-if 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.51 (registry+https://github.com/rust-lang/crates.io-index)",
- "winapi 0.3.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.48 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -1905,7 +1901,7 @@ dependencies = [
  "bitflags 1.0.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "cc 1.0.26 (registry+https://github.com/rust-lang/crates.io-index)",
  "cfg-if 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.51 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.48 (registry+https://github.com/rust-lang/crates.io-index)",
  "void 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -1913,9 +1909,9 @@ dependencies = [
 name = "node-cli"
 version = "1.0.0"
 dependencies = [
- "exit-future 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "exit-future 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures 0.1.26 (registry+https://github.com/rust-lang/crates.io-index)",
- "hex-literal 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "hex-literal 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)",
  "node-executor 1.0.0",
  "node-primitives 1.0.0",
@@ -1923,7 +1919,7 @@ dependencies = [
  "parity-codec 3.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-io 1.0.0",
  "sr-primitives 1.0.0",
- "structopt 0.2.15 (registry+https://github.com/rust-lang/crates.io-index)",
+ "structopt 0.2.14 (registry+https://github.com/rust-lang/crates.io-index)",
  "substrate-basic-authorship 1.0.0",
  "substrate-cli 1.0.0",
  "substrate-client 1.0.0",
@@ -1975,8 +1971,8 @@ version = "1.0.0"
 dependencies = [
  "parity-codec 3.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "pretty_assertions 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.90 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_derive 1.0.90 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.87 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_derive 1.0.87 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-primitives 1.0.0",
  "sr-std 1.0.0",
  "substrate-primitives 1.0.0",
@@ -1987,13 +1983,13 @@ dependencies = [
 name = "node-runtime"
 version = "1.0.0"
 dependencies = [
- "hex-literal 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "hex-literal 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "integer-sqrt 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "node-primitives 1.0.0",
  "parity-codec 3.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "rustc-hex 2.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "safe-mix 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.90 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.87 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-primitives 1.0.0",
  "sr-std 1.0.0",
  "sr-version 1.0.0",
@@ -2028,9 +2024,9 @@ version = "1.0.0"
 dependencies = [
  "ctrlc 3.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "error-chain 0.12.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "exit-future 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "exit-future 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures 0.1.26 (registry+https://github.com/rust-lang/crates.io-index)",
- "hex-literal 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "hex-literal 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)",
  "node-template-runtime 1.0.0",
  "parity-codec 3.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2057,8 +2053,8 @@ version = "1.0.0"
 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 1.0.90 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_derive 1.0.90 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.87 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_derive 1.0.87 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-io 1.0.0",
  "sr-primitives 1.0.0",
  "sr-std 1.0.0",
@@ -2091,10 +2087,10 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "nom"
-version = "4.2.3"
+version = "4.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "memchr 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "memchr 2.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "version_check 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -2113,10 +2109,10 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "num_cpus"
-version = "1.10.0"
+version = "1.9.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "libc 0.2.51 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.48 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -2143,15 +2139,15 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "openssl"
-version = "0.10.20"
+version = "0.10.16"
 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 0.1.7 (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 0.2.51 (registry+https://github.com/rust-lang/crates.io-index)",
- "openssl-sys 0.9.43 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.48 (registry+https://github.com/rust-lang/crates.io-index)",
+ "openssl-sys 0.9.40 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -2161,13 +2157,12 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "openssl-sys"
-version = "0.9.43"
+version = "0.9.40"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "cc 1.0.26 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.51 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.48 (registry+https://github.com/rust-lang/crates.io-index)",
  "pkg-config 0.3.14 (registry+https://github.com/rust-lang/crates.io-index)",
- "rustc_version 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "vcpkg 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -2176,7 +2171,7 @@ name = "output_vt100"
 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)",
+ "winapi 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -2207,7 +2202,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "arrayvec 0.4.10 (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 1.0.90 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.87 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -2218,7 +2213,7 @@ dependencies = [
  "proc-macro-crate 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "proc-macro2 0.4.27 (registry+https://github.com/rust-lang/crates.io-index)",
  "quote 0.6.12 (registry+https://github.com/rust-lang/crates.io-index)",
- "syn 0.15.30 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 0.15.31 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -2242,7 +2237,7 @@ dependencies = [
  "byteorder 1.3.1 (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 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.90 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.87 (registry+https://github.com/rust-lang/crates.io-index)",
  "unsigned-varint 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -2273,7 +2268,7 @@ 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)",
- "bytes 0.4.12 (registry+https://github.com/rust-lang/crates.io-index)",
+ "bytes 0.4.11 (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 0.6.16 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2316,10 +2311,10 @@ name = "parking_lot_core"
 version = "0.2.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "libc 0.2.51 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.48 (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)",
- "winapi 0.3.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "smallvec 0.6.8 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -2327,11 +2322,11 @@ name = "parking_lot_core"
 version = "0.3.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "libc 0.2.51 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.48 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand 0.5.6 (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)",
- "winapi 0.3.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "smallvec 0.6.8 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -2339,31 +2334,31 @@ name = "parking_lot_core"
 version = "0.4.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "libc 0.2.51 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.48 (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)",
- "winapi 0.3.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "smallvec 0.6.8 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "paste"
-version = "0.1.5"
+version = "0.1.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "paste-impl 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "paste-impl 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "proc-macro-hack 0.5.4 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "paste-impl"
-version = "0.1.5"
+version = "0.1.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "proc-macro-hack 0.5.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "proc-macro2 0.4.27 (registry+https://github.com/rust-lang/crates.io-index)",
  "quote 0.6.12 (registry+https://github.com/rust-lang/crates.io-index)",
- "syn 0.15.30 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 0.15.31 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -2406,7 +2401,7 @@ version = "0.6.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "ansi_term 0.11.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "ctor 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)",
+ "ctor 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)",
  "difference 2.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "output_vt100 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -2445,7 +2440,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "proc-macro2 0.4.27 (registry+https://github.com/rust-lang/crates.io-index)",
  "quote 0.6.12 (registry+https://github.com/rust-lang/crates.io-index)",
- "syn 0.15.30 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 0.15.31 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -2453,6 +2448,14 @@ name = "proc-macro-hack-impl"
 version = "0.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
+[[package]]
+name = "proc-macro2"
+version = "0.3.5"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "unicode-xid 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "proc-macro2"
 version = "0.4.27"
@@ -2463,7 +2466,7 @@ dependencies = [
 
 [[package]]
 name = "protobuf"
-version = "2.4.2"
+version = "2.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
@@ -2486,6 +2489,14 @@ name = "quick-error"
 version = "1.2.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
+[[package]]
+name = "quote"
+version = "0.5.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "proc-macro2 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "quote"
 version = "0.6.12"
@@ -2499,7 +2510,7 @@ name = "rand"
 version = "0.3.23"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "libc 0.2.51 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.48 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -2509,10 +2520,10 @@ version = "0.4.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "fuchsia-cprng 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.51 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.48 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand_core 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "rdrand 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "winapi 0.3.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -2522,9 +2533,9 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "cloudabi 0.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "fuchsia-cprng 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.51 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.48 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand_core 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "winapi 0.3.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -2533,16 +2544,16 @@ version = "0.6.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "autocfg 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.51 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.48 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand_chacha 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand_core 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand_hc 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand_isaac 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand_jitter 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "rand_os 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "rand_pcg 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rand_os 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rand_pcg 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand_xorshift 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "winapi 0.3.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -2588,31 +2599,31 @@ name = "rand_jitter"
 version = "0.1.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "libc 0.2.51 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.48 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand_core 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "winapi 0.3.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "rand_os"
-version = "0.1.3"
+version = "0.1.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "cloudabi 0.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "fuchsia-cprng 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.51 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.48 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand_core 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "rdrand 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "winapi 0.3.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "rand_pcg"
-version = "0.1.2"
+version = "0.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "autocfg 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "rand_core 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rand_core 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rustc_version 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -2638,7 +2649,7 @@ version = "1.0.3"
 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)",
- "either 1.5.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "either 1.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "rayon-core 1.4.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -2649,8 +2660,8 @@ 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)",
  "lazy_static 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.51 (registry+https://github.com/rust-lang/crates.io-index)",
- "num_cpus 1.10.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.48 (registry+https://github.com/rust-lang/crates.io-index)",
+ "num_cpus 1.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -2663,7 +2674,7 @@ dependencies = [
 
 [[package]]
 name = "redox_syscall"
-version = "0.1.53"
+version = "0.1.51"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
@@ -2671,7 +2682,7 @@ name = "redox_termios"
 version = "0.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "redox_syscall 0.1.53 (registry+https://github.com/rust-lang/crates.io-index)",
+ "redox_syscall 0.1.51 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -2681,19 +2692,19 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "regex"
-version = "1.1.5"
+version = "1.1.0"
 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)",
+ "aho-corasick 0.6.9 (registry+https://github.com/rust-lang/crates.io-index)",
+ "memchr 2.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "regex-syntax 0.6.5 (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)",
 ]
 
 [[package]]
 name = "regex-syntax"
-version = "0.6.6"
+version = "0.6.5"
 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)",
@@ -2704,7 +2715,7 @@ name = "remove_dir_all"
 version = "0.5.1"
 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 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -2726,10 +2737,10 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "cc 1.0.26 (registry+https://github.com/rust-lang/crates.io-index)",
  "lazy_static 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.51 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.48 (registry+https://github.com/rust-lang/crates.io-index)",
  "spin 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)",
- "winapi 0.3.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -2737,8 +2748,8 @@ name = "rocksdb"
 version = "0.11.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "libc 0.2.51 (registry+https://github.com/rust-lang/crates.io-index)",
- "librocksdb-sys 5.17.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.48 (registry+https://github.com/rust-lang/crates.io-index)",
+ "librocksdb-sys 5.14.3 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -2747,7 +2758,7 @@ version = "0.2.36"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "gcc 0.3.55 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.51 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.48 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand 0.3.23 (registry+https://github.com/rust-lang/crates.io-index)",
  "rustc-serialize 0.3.24 (registry+https://github.com/rust-lang/crates.io-index)",
  "time 0.1.42 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2781,9 +2792,9 @@ name = "rw-stream-sink"
 version = "0.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "bytes 0.4.12 (registry+https://github.com/rust-lang/crates.io-index)",
+ "bytes 0.4.11 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures 0.1.26 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-io 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-io 0.1.11 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -2814,23 +2825,23 @@ dependencies = [
 
 [[package]]
 name = "schannel"
-version = "0.1.15"
+version = "0.1.14"
 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)",
- "winapi 0.3.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "schnorrkel"
-version = "0.1.1"
-source = "git+https://github.com/paritytech/schnorrkel#1762df02ac48ba5c3fa8c162e19a393247079f88"
+version = "0.1.0"
+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 1.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "curve25519-dalek 1.0.3 (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 1.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "merlin 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand 0.6.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand_chacha 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "sha2 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2841,13 +2852,13 @@ dependencies = [
 [[package]]
 name = "schnorrkel"
 version = "0.1.1"
-source = "registry+https://github.com/rust-lang/crates.io-index"
+source = "git+https://github.com/paritytech/schnorrkel#1762df02ac48ba5c3fa8c162e19a393247079f88"
 dependencies = [
  "clear_on_drop 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "curve25519-dalek 1.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "curve25519-dalek 1.0.3 (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 1.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "merlin 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand 0.6.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand_chacha 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "sha2 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2876,7 +2887,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "core-foundation 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "core-foundation-sys 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.51 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.48 (registry+https://github.com/rust-lang/crates.io-index)",
  "security-framework-sys 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -2887,7 +2898,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "MacTypes-sys 2.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "core-foundation-sys 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.51 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.48 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -2905,27 +2916,27 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "serde"
-version = "1.0.90"
+version = "1.0.87"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "serde_derive"
-version = "1.0.90"
+version = "1.0.87"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "proc-macro2 0.4.27 (registry+https://github.com/rust-lang/crates.io-index)",
  "quote 0.6.12 (registry+https://github.com/rust-lang/crates.io-index)",
- "syn 0.15.30 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 0.15.31 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "serde_json"
-version = "1.0.39"
+version = "1.0.38"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "itoa 0.4.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "ryu 0.2.7 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.90 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.87 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -3003,8 +3014,8 @@ version = "2.3.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "chrono 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.90 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_json 1.0.39 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.87 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_json 1.0.38 (registry+https://github.com/rust-lang/crates.io-index)",
  "slog 2.4.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -3020,12 +3031,15 @@ dependencies = [
 
 [[package]]
 name = "smallvec"
-version = "0.6.9"
+version = "0.6.8"
 source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "unreachable 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
+]
 
 [[package]]
 name = "snow"
-version = "0.5.2"
+version = "0.5.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "arrayref 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -3035,9 +3049,8 @@ dependencies = [
  "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 0.6.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "static_slice 0.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "subtle 2.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -3060,7 +3073,7 @@ dependencies = [
  "substrate-primitives 1.0.0",
  "substrate-state-machine 1.0.0",
  "substrate-test-client 1.0.0",
- "syn 0.15.30 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 0.15.31 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -3087,9 +3100,9 @@ dependencies = [
  "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "num-traits 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-codec 3.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.90 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_derive 1.0.90 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_json 1.0.39 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.87 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_derive 1.0.87 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_json 1.0.38 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-io 1.0.0",
  "sr-std 1.0.0",
  "substrate-primitives 1.0.0",
@@ -3105,7 +3118,7 @@ dependencies = [
  "sr-std 1.0.0",
  "substrate-primitives 1.0.0",
  "wabt 0.7.4 (registry+https://github.com/rust-lang/crates.io-index)",
- "wasmi 0.4.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "wasmi 0.4.3 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -3121,8 +3134,8 @@ version = "1.0.0"
 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)",
- "serde 1.0.90 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_derive 1.0.90 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.87 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_derive 1.0.87 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-primitives 1.0.0",
  "sr-std 1.0.0",
 ]
@@ -3131,9 +3144,9 @@ dependencies = [
 name = "srml-assets"
 version = "1.0.0"
 dependencies = [
- "hex-literal 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "hex-literal 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)",
- "serde 1.0.90 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.87 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-io 1.0.0",
  "sr-primitives 1.0.0",
  "sr-std 1.0.0",
@@ -3146,11 +3159,11 @@ dependencies = [
 name = "srml-aura"
 version = "1.0.0"
 dependencies = [
- "hex-literal 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "hex-literal 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "lazy_static 1.3.0 (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 0.7.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.90 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.87 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-io 1.0.0",
  "sr-primitives 1.0.0",
  "sr-std 1.0.0",
@@ -3168,10 +3181,10 @@ dependencies = [
 name = "srml-balances"
 version = "1.0.0"
 dependencies = [
- "hex-literal 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "hex-literal 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)",
  "safe-mix 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.90 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.87 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-io 1.0.0",
  "sr-primitives 1.0.0",
  "sr-std 1.0.0",
@@ -3185,10 +3198,10 @@ dependencies = [
 name = "srml-consensus"
 version = "1.0.0"
 dependencies = [
- "hex-literal 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "hex-literal 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)",
- "serde 1.0.90 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_derive 1.0.90 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.87 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_derive 1.0.87 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-io 1.0.0",
  "sr-primitives 1.0.0",
  "sr-std 1.0.0",
@@ -3203,12 +3216,12 @@ name = "srml-contract"
 version = "1.0.0"
 dependencies = [
  "assert_matches 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "hex-literal 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "hex-literal 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)",
  "parity-wasm 0.31.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "pwasm-utils 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.90 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_derive 1.0.90 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.87 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_derive 1.0.87 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-io 1.0.0",
  "sr-primitives 1.0.0",
  "sr-sandbox 1.0.0",
@@ -3226,10 +3239,10 @@ dependencies = [
 name = "srml-council"
 version = "1.0.0"
 dependencies = [
- "hex-literal 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "hex-literal 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)",
  "safe-mix 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.90 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.87 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-io 1.0.0",
  "sr-primitives 1.0.0",
  "sr-std 1.0.0",
@@ -3244,11 +3257,11 @@ dependencies = [
 name = "srml-democracy"
 version = "1.0.0"
 dependencies = [
- "hex-literal 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "hex-literal 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)",
  "safe-mix 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.90 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_derive 1.0.90 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.87 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_derive 1.0.87 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-io 1.0.0",
  "sr-primitives 1.0.0",
  "sr-std 1.0.0",
@@ -3262,9 +3275,9 @@ dependencies = [
 name = "srml-example"
 version = "1.0.0"
 dependencies = [
- "hex-literal 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "hex-literal 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)",
- "serde 1.0.90 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.87 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-io 1.0.0",
  "sr-primitives 1.0.0",
  "srml-balances 1.0.0",
@@ -3277,9 +3290,9 @@ dependencies = [
 name = "srml-executive"
 version = "1.0.0"
 dependencies = [
- "hex-literal 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "hex-literal 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)",
- "serde 1.0.90 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.87 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-io 1.0.0",
  "sr-primitives 1.0.0",
  "sr-std 1.0.0",
@@ -3294,12 +3307,12 @@ dependencies = [
 name = "srml-finality-tracker"
 version = "1.0.0"
 dependencies = [
- "hex-literal 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "hex-literal 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "lazy_static 1.3.0 (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 0.7.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.90 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_derive 1.0.90 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.87 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_derive 1.0.87 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-io 1.0.0",
  "sr-primitives 1.0.0",
  "sr-std 1.0.0",
@@ -3314,8 +3327,8 @@ name = "srml-grandpa"
 version = "1.0.0"
 dependencies = [
  "parity-codec 3.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.90 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_derive 1.0.90 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.87 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_derive 1.0.87 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-io 1.0.0",
  "sr-primitives 1.0.0",
  "sr-std 1.0.0",
@@ -3332,11 +3345,11 @@ dependencies = [
 name = "srml-indices"
 version = "1.0.0"
 dependencies = [
- "hex-literal 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "hex-literal 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)",
  "ref_thread_local 0.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "safe-mix 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.90 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.87 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-io 1.0.0",
  "sr-primitives 1.0.0",
  "sr-std 1.0.0",
@@ -3351,8 +3364,8 @@ name = "srml-metadata"
 version = "1.0.0"
 dependencies = [
  "parity-codec 3.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.90 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_derive 1.0.90 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.87 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_derive 1.0.87 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-std 1.0.0",
  "substrate-primitives 1.0.0",
 ]
@@ -3361,11 +3374,11 @@ dependencies = [
 name = "srml-session"
 version = "1.0.0"
 dependencies = [
- "hex-literal 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "hex-literal 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "lazy_static 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "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 1.0.90 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.87 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-io 1.0.0",
  "sr-primitives 1.0.0",
  "sr-std 1.0.0",
@@ -3380,10 +3393,10 @@ dependencies = [
 name = "srml-staking"
 version = "1.0.0"
 dependencies = [
- "hex-literal 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "hex-literal 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)",
  "safe-mix 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.90 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.87 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-io 1.0.0",
  "sr-primitives 1.0.0",
  "sr-std 1.0.0",
@@ -3401,9 +3414,9 @@ dependencies = [
 name = "srml-sudo"
 version = "1.0.0"
 dependencies = [
- "hex-literal 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "hex-literal 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)",
- "serde 1.0.90 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.87 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-io 1.0.0",
  "sr-primitives 1.0.0",
  "sr-std 1.0.0",
@@ -3418,13 +3431,13 @@ name = "srml-support"
 version = "1.0.0"
 dependencies = [
  "bitmask 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "hex-literal 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "hex-literal 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "once_cell 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-codec 3.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "paste 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "paste 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "pretty_assertions 0.6.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.90 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_derive 1.0.90 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.87 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_derive 1.0.87 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-io 1.0.0",
  "sr-primitives 1.0.0",
  "sr-std 1.0.0",
@@ -3441,7 +3454,7 @@ dependencies = [
  "quote 0.6.12 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-api-macros 1.0.0",
  "srml-support-procedural-tools 1.0.0",
- "syn 0.15.30 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 0.15.31 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -3452,7 +3465,7 @@ dependencies = [
  "proc-macro2 0.4.27 (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 1.0.0",
- "syn 0.15.30 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 0.15.31 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -3461,7 +3474,7 @@ version = "1.0.0"
 dependencies = [
  "proc-macro2 0.4.27 (registry+https://github.com/rust-lang/crates.io-index)",
  "quote 0.6.12 (registry+https://github.com/rust-lang/crates.io-index)",
- "syn 0.15.30 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 0.15.31 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -3469,8 +3482,8 @@ name = "srml-support-test"
 version = "0.1.0"
 dependencies = [
  "parity-codec 3.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.90 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_derive 1.0.90 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.87 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_derive 1.0.87 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-io 1.0.0",
  "srml-support 1.0.0",
  "substrate-inherents 1.0.0",
@@ -3482,11 +3495,11 @@ name = "srml-system"
 version = "1.0.0"
 dependencies = [
  "criterion 0.2.10 (registry+https://github.com/rust-lang/crates.io-index)",
- "hex-literal 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "hex-literal 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)",
  "safe-mix 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.90 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_derive 1.0.90 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.87 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_derive 1.0.87 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-io 1.0.0",
  "sr-primitives 1.0.0",
  "sr-std 1.0.0",
@@ -3498,9 +3511,9 @@ dependencies = [
 name = "srml-timestamp"
 version = "1.0.0"
 dependencies = [
- "hex-literal 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "hex-literal 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)",
- "serde 1.0.90 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.87 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-io 1.0.0",
  "sr-primitives 1.0.0",
  "sr-std 1.0.0",
@@ -3514,10 +3527,10 @@ dependencies = [
 name = "srml-treasury"
 version = "1.0.0"
 dependencies = [
- "hex-literal 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "hex-literal 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)",
- "serde 1.0.90 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_derive 1.0.90 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.87 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_derive 1.0.87 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-io 1.0.0",
  "sr-primitives 1.0.0",
  "sr-std 1.0.0",
@@ -3544,13 +3557,13 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "stdweb"
-version = "0.4.15"
+version = "0.4.13"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "discard 1.0.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "rustc_version 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "stdweb-derive 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "stdweb-internal-macros 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "stdweb-internal-macros 0.2.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "stdweb-internal-runtime 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -3561,24 +3574,24 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "proc-macro2 0.4.27 (registry+https://github.com/rust-lang/crates.io-index)",
  "quote 0.6.12 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.90 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_derive 1.0.90 (registry+https://github.com/rust-lang/crates.io-index)",
- "syn 0.15.30 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.87 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_derive 1.0.87 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 0.15.31 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "stdweb-internal-macros"
-version = "0.2.6"
+version = "0.2.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "base-x 0.2.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "proc-macro2 0.4.27 (registry+https://github.com/rust-lang/crates.io-index)",
  "quote 0.6.12 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.90 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_derive 1.0.90 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_json 1.0.39 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.87 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_derive 1.0.87 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_json 1.0.38 (registry+https://github.com/rust-lang/crates.io-index)",
  "sha1 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "syn 0.15.30 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 0.15.31 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -3606,22 +3619,22 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "structopt"
-version = "0.2.15"
+version = "0.2.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "clap 2.32.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "structopt-derive 0.2.15 (registry+https://github.com/rust-lang/crates.io-index)",
+ "structopt-derive 0.2.14 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "structopt-derive"
-version = "0.2.15"
+version = "0.2.14"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "heck 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "proc-macro2 0.4.27 (registry+https://github.com/rust-lang/crates.io-index)",
  "quote 0.6.12 (registry+https://github.com/rust-lang/crates.io-index)",
- "syn 0.15.30 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 0.15.31 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -3637,7 +3650,7 @@ dependencies = [
  "heck 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "proc-macro2 0.4.27 (registry+https://github.com/rust-lang/crates.io-index)",
  "quote 0.6.12 (registry+https://github.com/rust-lang/crates.io-index)",
- "syn 0.15.30 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 0.15.31 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -3648,8 +3661,8 @@ dependencies = [
  "hex 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand 0.6.5 (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)",
- "substrate-bip39 0.2.1 (git+https://github.com/paritytech/substrate-bip39)",
+ "schnorrkel 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "substrate-bip39 0.2.0 (git+https://github.com/paritytech/substrate-bip39)",
  "substrate-primitives 1.0.0",
  "tiny-bip39 0.6.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -3684,12 +3697,12 @@ dependencies = [
 
 [[package]]
 name = "substrate-bip39"
-version = "0.2.1"
-source = "git+https://github.com/paritytech/substrate-bip39#44307fda4ea17fe97aeb93af317fbc8f6ed34193"
+version = "0.2.0"
+source = "git+https://github.com/paritytech/substrate-bip39#080da45923885cfec2379cef3dee4e7f43e6c260"
 dependencies = [
  "hmac 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "pbkdf2 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "schnorrkel 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "schnorrkel 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "sha2 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -3703,16 +3716,16 @@ dependencies = [
  "clap 2.32.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "env_logger 0.6.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "error-chain 0.12.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "exit-future 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "exit-future 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "fdlimit 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures 0.1.26 (registry+https://github.com/rust-lang/crates.io-index)",
  "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)",
  "names 0.11.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "regex 1.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_json 1.0.39 (registry+https://github.com/rust-lang/crates.io-index)",
+ "regex 1.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_json 1.0.38 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-primitives 1.0.0",
- "structopt 0.2.15 (registry+https://github.com/rust-lang/crates.io-index)",
+ "structopt 0.2.14 (registry+https://github.com/rust-lang/crates.io-index)",
  "substrate-client 1.0.0",
  "substrate-keyring 1.0.0",
  "substrate-network 0.1.0",
@@ -3721,7 +3734,7 @@ dependencies = [
  "substrate-service 1.0.0",
  "substrate-state-machine 1.0.0",
  "substrate-telemetry 1.0.0",
- "sysinfo 0.8.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "sysinfo 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "tempdir 0.3.7 (registry+https://github.com/rust-lang/crates.io-index)",
  "time 0.1.42 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio 0.1.18 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -3736,7 +3749,7 @@ dependencies = [
  "futures 0.1.26 (registry+https://github.com/rust-lang/crates.io-index)",
  "hash-db 0.12.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "heapsize 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "hex-literal 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "hex-literal 0.1.2 (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)",
  "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -3902,7 +3915,7 @@ name = "substrate-consensus-rhd"
 version = "1.0.0"
 dependencies = [
  "error-chain 0.12.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "exit-future 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "exit-future 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures 0.1.26 (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)",
@@ -3946,14 +3959,14 @@ dependencies = [
  "assert_matches 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "byteorder 1.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "error-chain 0.12.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "hex-literal 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "hex-literal 0.1.2 (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)",
  "parity-codec 3.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "parking_lot 0.7.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.90 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_derive 1.0.90 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.87 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_derive 1.0.87 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-io 1.0.0",
  "sr-version 1.0.0",
  "substrate-panic-handler 1.0.0",
@@ -3963,7 +3976,7 @@ dependencies = [
  "substrate-trie 1.0.0",
  "tiny-keccak 1.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "wabt 0.7.4 (registry+https://github.com/rust-lang/crates.io-index)",
- "wasmi 0.4.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "wasmi 0.4.3 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -3971,7 +3984,7 @@ name = "substrate-finality-grandpa"
 version = "1.0.0"
 dependencies = [
  "env_logger 0.6.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "finality-grandpa 0.7.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "finality-grandpa 0.7.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "fork-tree 1.0.0",
  "futures 0.1.26 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -4018,7 +4031,7 @@ dependencies = [
 name = "substrate-keyring"
 version = "1.0.0"
 dependencies = [
- "hex-literal 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "hex-literal 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "lazy_static 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "strum 0.14.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "strum_macros 0.14.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -4033,9 +4046,9 @@ dependencies = [
  "hex 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-crypto 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand 0.6.5 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.90 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_derive 1.0.90 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_json 1.0.39 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.87 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_derive 1.0.87 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_json 1.0.38 (registry+https://github.com/rust-lang/crates.io-index)",
  "substrate-primitives 1.0.0",
  "subtle 2.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "tempdir 0.3.7 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -4075,7 +4088,7 @@ name = "substrate-network-libp2p"
 version = "1.0.0"
 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)",
+ "bytes 0.4.11 (registry+https://github.com/rust-lang/crates.io-index)",
  "error-chain 0.12.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "fnv 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures 0.1.26 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -4084,14 +4097,14 @@ dependencies = [
  "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "parking_lot 0.7.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand 0.6.5 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.90 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_derive 1.0.90 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_json 1.0.39 (registry+https://github.com/rust-lang/crates.io-index)",
- "smallvec 0.6.9 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.87 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_derive 1.0.87 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_json 1.0.38 (registry+https://github.com/rust-lang/crates.io-index)",
+ "smallvec 0.6.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "substrate-peerset 1.0.0",
  "tempdir 0.3.7 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio 0.1.18 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-io 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-io 0.1.11 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-timer 0.2.10 (registry+https://github.com/rust-lang/crates.io-index)",
  "unsigned-varint 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "void 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -4128,7 +4141,7 @@ dependencies = [
 name = "substrate-panic-handler"
 version = "1.0.0"
 dependencies = [
- "backtrace 0.3.15 (registry+https://github.com/rust-lang/crates.io-index)",
+ "backtrace 0.3.13 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -4141,7 +4154,7 @@ dependencies = [
  "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)",
- "serde_json 1.0.39 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_json 1.0.38 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -4152,29 +4165,29 @@ dependencies = [
  "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)",
  "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)",
+ "hash256-std-hasher 0.12.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "heapsize 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "hex 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "hex-literal 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "hex-literal 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "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)",
  "pretty_assertions 0.6.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "primitive-types 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand 0.6.5 (registry+https://github.com/rust-lang/crates.io-index)",
- "regex 1.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "regex 1.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "ring 0.14.6 (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 1.0.90 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_derive 1.0.90 (registry+https://github.com/rust-lang/crates.io-index)",
+ "schnorrkel 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.87 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_derive 1.0.87 (registry+https://github.com/rust-lang/crates.io-index)",
  "sha2 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-std 1.0.0",
- "substrate-bip39 0.2.1 (git+https://github.com/paritytech/substrate-bip39)",
+ "substrate-bip39 0.2.0 (git+https://github.com/paritytech/substrate-bip39)",
  "substrate-serializer 1.0.0",
  "tiny-bip39 0.6.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "twox-hash 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "untrusted 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "wasmi 0.4.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "wasmi 0.4.3 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -4184,17 +4197,17 @@ dependencies = [
  "assert_matches 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "error-chain 0.12.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures 0.1.26 (registry+https://github.com/rust-lang/crates.io-index)",
- "hex-literal 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
- "jsonrpc-core 10.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "jsonrpc-derive 10.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "jsonrpc-pubsub 10.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "hex-literal 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "jsonrpc-core 10.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "jsonrpc-derive 10.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "jsonrpc-pubsub 10.0.1 (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 0.7.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "rustc-hex 2.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.90 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_derive 1.0.90 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_json 1.0.39 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.87 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_derive 1.0.87 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_json 1.0.38 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-io 1.0.0",
  "sr-primitives 1.0.0",
  "sr-version 1.0.0",
@@ -4214,11 +4227,11 @@ dependencies = [
 name = "substrate-rpc-servers"
 version = "1.0.0"
 dependencies = [
- "jsonrpc-http-server 10.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "jsonrpc-pubsub 10.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "jsonrpc-ws-server 10.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "jsonrpc-http-server 10.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "jsonrpc-pubsub 10.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "jsonrpc-ws-server 10.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.90 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.87 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-primitives 1.0.0",
  "substrate-rpc 1.0.0",
 ]
@@ -4227,8 +4240,8 @@ dependencies = [
 name = "substrate-serializer"
 version = "1.0.0"
 dependencies = [
- "serde 1.0.90 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_json 1.0.39 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.87 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_json 1.0.38 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -4236,15 +4249,15 @@ name = "substrate-service"
 version = "1.0.0"
 dependencies = [
  "error-chain 0.12.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "exit-future 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "exit-future 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures 0.1.26 (registry+https://github.com/rust-lang/crates.io-index)",
  "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)",
  "parity-codec 3.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "parking_lot 0.7.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.90 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_derive 1.0.90 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_json 1.0.39 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.87 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_derive 1.0.87 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_json 1.0.38 (registry+https://github.com/rust-lang/crates.io-index)",
  "slog 2.4.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-io 1.0.0",
  "sr-primitives 1.0.0",
@@ -4300,7 +4313,7 @@ version = "1.0.0"
 dependencies = [
  "hash-db 0.12.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "heapsize 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "hex-literal 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "hex-literal 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)",
  "parity-codec 3.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "parking_lot 0.7.1 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -4319,8 +4332,8 @@ dependencies = [
  "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "parking_lot 0.7.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand 0.6.5 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.90 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_derive 1.0.90 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.87 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_derive 1.0.87 (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)",
@@ -4350,12 +4363,12 @@ name = "substrate-test-runtime"
 version = "1.0.0"
 dependencies = [
  "cfg-if 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
- "hex-literal 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "hex-literal 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)",
  "memory-db 0.12.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-codec 3.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.90 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_derive 1.0.90 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.87 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_derive 1.0.87 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-io 1.0.0",
  "sr-primitives 1.0.0",
  "sr-std 1.0.0",
@@ -4386,8 +4399,8 @@ 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)",
  "parking_lot 0.7.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde 1.0.90 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_derive 1.0.90 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.87 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_derive 1.0.87 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-primitives 1.0.0",
  "substrate-primitives 1.0.0",
  "substrate-test-runtime 1.0.0",
@@ -4416,16 +4429,16 @@ version = "1.0.0"
 dependencies = [
  "criterion 0.2.10 (registry+https://github.com/rust-lang/crates.io-index)",
  "hash-db 0.12.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "hex-literal 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
- "keccak-hasher 0.12.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "hex-literal 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "keccak-hasher 0.12.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "memory-db 0.12.2 (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 1.0.0",
  "substrate-primitives 1.0.0",
- "trie-bench 0.12.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "trie-bench 0.12.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "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-standardmap 0.12.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "trie-standardmap 0.12.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -4440,7 +4453,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "syn"
-version = "0.15.30"
+version = "0.15.31"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "proc-macro2 0.4.27 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -4455,19 +4468,19 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "proc-macro2 0.4.27 (registry+https://github.com/rust-lang/crates.io-index)",
  "quote 0.6.12 (registry+https://github.com/rust-lang/crates.io-index)",
- "syn 0.15.30 (registry+https://github.com/rust-lang/crates.io-index)",
+ "syn 0.15.31 (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 = "sysinfo"
-version = "0.8.2"
+version = "0.8.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "cfg-if 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.51 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.48 (registry+https://github.com/rust-lang/crates.io-index)",
  "rayon 1.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
- "winapi 0.3.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -4491,15 +4504,15 @@ dependencies = [
 
 [[package]]
 name = "tempfile"
-version = "3.0.7"
+version = "3.0.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "cfg-if 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.51 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.48 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand 0.6.5 (registry+https://github.com/rust-lang/crates.io-index)",
- "redox_syscall 0.1.53 (registry+https://github.com/rust-lang/crates.io-index)",
+ "redox_syscall 0.1.51 (registry+https://github.com/rust-lang/crates.io-index)",
  "remove_dir_all 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "winapi 0.3.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -4515,8 +4528,8 @@ name = "termion"
 version = "1.5.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "libc 0.2.51 (registry+https://github.com/rust-lang/crates.io-index)",
- "redox_syscall 0.1.53 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.48 (registry+https://github.com/rust-lang/crates.io-index)",
+ "redox_syscall 0.1.51 (registry+https://github.com/rust-lang/crates.io-index)",
  "redox_termios 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -4541,9 +4554,9 @@ name = "time"
 version = "0.1.42"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "libc 0.2.51 (registry+https://github.com/rust-lang/crates.io-index)",
- "redox_syscall 0.1.53 (registry+https://github.com/rust-lang/crates.io-index)",
- "winapi 0.3.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.48 (registry+https://github.com/rust-lang/crates.io-index)",
+ "redox_syscall 0.1.51 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -4573,8 +4586,8 @@ name = "tinytemplate"
 version = "1.0.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "serde 1.0.90 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_json 1.0.39 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.87 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_json 1.0.38 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -4585,7 +4598,7 @@ dependencies = [
  "futures 0.1.26 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio 0.1.18 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-io 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-io 0.1.11 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -4593,16 +4606,16 @@ name = "tokio"
 version = "0.1.18"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "bytes 0.4.12 (registry+https://github.com/rust-lang/crates.io-index)",
+ "bytes 0.4.11 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures 0.1.26 (registry+https://github.com/rust-lang/crates.io-index)",
  "mio 0.6.16 (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 1.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-codec 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-current-thread 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-executor 0.1.7 (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-io 0.1.11 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-reactor 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-sync 0.1.4 (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 0.1.13 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -4617,9 +4630,9 @@ name = "tokio-codec"
 version = "0.1.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "bytes 0.4.12 (registry+https://github.com/rust-lang/crates.io-index)",
+ "bytes 0.4.11 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures 0.1.26 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-io 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-io 0.1.11 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -4657,23 +4670,23 @@ version = "0.1.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "futures 0.1.26 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-io 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-io 0.1.11 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-threadpool 0.1.13 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "tokio-io"
-version = "0.1.12"
+version = "0.1.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "bytes 0.4.12 (registry+https://github.com/rust-lang/crates.io-index)",
+ "bytes 0.4.11 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures 0.1.26 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "tokio-reactor"
-version = "0.1.9"
+version = "0.1.8"
 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)",
@@ -4681,12 +4694,11 @@ 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 0.6.16 (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 1.9.0 (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 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-io 0.1.11 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -4703,12 +4715,12 @@ name = "tokio-tcp"
 version = "0.1.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "bytes 0.4.12 (registry+https://github.com/rust-lang/crates.io-index)",
+ "bytes 0.4.11 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures 0.1.26 (registry+https://github.com/rust-lang/crates.io-index)",
  "iovec 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "mio 0.6.16 (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-io 0.1.11 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-reactor 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -4721,7 +4733,7 @@ dependencies = [
  "crossbeam-utils 0.6.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures 0.1.26 (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 1.9.0 (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)",
@@ -4745,7 +4757,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "futures 0.1.26 (registry+https://github.com/rust-lang/crates.io-index)",
  "native-tls 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "tokio-io 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-io 0.1.11 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -4761,13 +4773,13 @@ name = "tokio-udp"
 version = "0.1.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "bytes 0.4.12 (registry+https://github.com/rust-lang/crates.io-index)",
+ "bytes 0.4.11 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures 0.1.26 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "mio 0.6.16 (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-reactor 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-io 0.1.11 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-reactor 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -4775,16 +4787,16 @@ name = "tokio-uds"
 version = "0.2.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "bytes 0.4.12 (registry+https://github.com/rust-lang/crates.io-index)",
+ "bytes 0.4.11 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures 0.1.26 (registry+https://github.com/rust-lang/crates.io-index)",
  "iovec 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.51 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.48 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "mio 0.6.16 (registry+https://github.com/rust-lang/crates.io-index)",
  "mio-uds 0.6.7 (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-reactor 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-io 0.1.11 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-reactor 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -4792,7 +4804,7 @@ name = "toml"
 version = "0.4.10"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "serde 1.0.90 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.87 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -4802,17 +4814,17 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "trie-bench"
-version = "0.12.2"
+version = "0.12.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "criterion 0.2.10 (registry+https://github.com/rust-lang/crates.io-index)",
  "hash-db 0.12.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "keccak-hasher 0.12.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "keccak-hasher 0.12.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "memory-db 0.12.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-codec 3.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "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-standardmap 0.12.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "trie-standardmap 0.12.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -4837,12 +4849,12 @@ dependencies = [
 
 [[package]]
 name = "trie-standardmap"
-version = "0.12.2"
+version = "0.12.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "criterion 0.2.10 (registry+https://github.com/rust-lang/crates.io-index)",
  "hash-db 0.12.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "keccak-hasher 0.12.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "keccak-hasher 0.12.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -4904,7 +4916,7 @@ dependencies = [
 
 [[package]]
 name = "unicase"
-version = "2.3.0"
+version = "2.2.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "version_check 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -4923,7 +4935,7 @@ 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 0.6.8 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -4941,12 +4953,20 @@ name = "unicode-xid"
 version = "0.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
+[[package]]
+name = "unreachable"
+version = "1.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "void 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "unsigned-varint"
 version = "0.2.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "bytes 0.4.12 (registry+https://github.com/rust-lang/crates.io-index)",
+ "bytes 0.4.11 (registry+https://github.com/rust-lang/crates.io-index)",
  "tokio-codec 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -5005,9 +5025,9 @@ name = "wabt"
 version = "0.7.4"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "serde 1.0.90 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_derive 1.0.90 (registry+https://github.com/rust-lang/crates.io-index)",
- "serde_json 1.0.39 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.87 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_derive 1.0.87 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde_json 1.0.38 (registry+https://github.com/rust-lang/crates.io-index)",
  "wabt-sys 0.5.4 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -5027,7 +5047,7 @@ version = "2.2.7"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "same-file 1.0.4 (registry+https://github.com/rust-lang/crates.io-index)",
- "winapi 0.3.7 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "winapi-util 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -5043,22 +5063,23 @@ dependencies = [
 
 [[package]]
 name = "wasmi"
-version = "0.4.4"
+version = "0.4.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
+ "byteorder 1.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "memory_units 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-wasm 0.31.3 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
 name = "websocket"
-version = "0.22.3"
+version = "0.22.2"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "base64 0.10.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "bitflags 1.0.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "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)",
+ "bytes 0.4.11 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures 0.1.26 (registry+https://github.com/rust-lang/crates.io-index)",
  "hyper 0.10.15 (registry+https://github.com/rust-lang/crates.io-index)",
  "native-tls 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -5072,11 +5093,10 @@ dependencies = [
 
 [[package]]
 name = "which"
-version = "2.0.1"
+version = "1.0.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "failure 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
- "libc 0.2.51 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.48 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -5086,7 +5106,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 
 [[package]]
 name = "winapi"
-version = "0.3.7"
+version = "0.3.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
  "winapi-i686-pc-windows-gnu 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -5108,7 +5128,7 @@ 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)",
+ "winapi 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -5121,7 +5141,7 @@ 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 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "winapi-util 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -5131,12 +5151,12 @@ 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)",
+ "bytes 0.4.11 (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 0.6.16 (registry+https://github.com/rust-lang/crates.io-index)",
  "mio-extras 2.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
- "openssl 0.10.20 (registry+https://github.com/rust-lang/crates.io-index)",
+ "openssl 0.10.16 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand 0.4.6 (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)",
@@ -5154,11 +5174,11 @@ dependencies = [
 
 [[package]]
 name = "x25519-dalek"
-version = "0.5.2"
+version = "0.5.1"
 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 1.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "curve25519-dalek 1.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand_core 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
@@ -5177,7 +5197,7 @@ name = "yamux"
 version = "0.1.9"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "bytes 0.4.12 (registry+https://github.com/rust-lang/crates.io-index)",
+ "bytes 0.4.11 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures 0.1.26 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "nohash-hasher 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -5185,7 +5205,7 @@ dependencies = [
  "quick-error 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "rand 0.6.5 (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-io 0.1.11 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
 [[package]]
@@ -5198,8 +5218,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 "checksum aes-ctr 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)" = "d2e5b0458ea3beae0d1d8c0f3946564f8e10f90646cf78c06b4351052058d1ee"
 "checksum aes-soft 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)" = "cfd7e7ae3f9a1fb5c03b389fc6bb9a51400d0c13053f0dca698c832bfd893a0d"
 "checksum aesni 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)" = "2f70a6b5f971e473091ab7cfb5ffac6cde81666c4556751d8d5620ead8abf100"
-"checksum aho-corasick 0.6.10 (registry+https://github.com/rust-lang/crates.io-index)" = "81ce3d38065e618af2d7b77e10c5ad9a069859b4be3c2250f674af3840d9c8a5"
-"checksum aho-corasick 0.7.3 (registry+https://github.com/rust-lang/crates.io-index)" = "e6f484ae0c99fec2e858eb6134949117399f222608d84cadb3f58c1f97c2364c"
+"checksum aho-corasick 0.6.9 (registry+https://github.com/rust-lang/crates.io-index)" = "1e9a933f4e58658d7b12defcf96dc5c720f20832deebe3e0a19efd3b6aaeeb9e"
 "checksum aio-limited 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "7f10b352bc3fc08ae24dc5d2d3ddcac153678533986122dc283d747b12071000"
 "checksum ansi_term 0.11.0 (registry+https://github.com/rust-lang/crates.io-index)" = "ee49baf6cb617b853aa8d93bf420db2383fab46d314482ca2803b40d5fde979b"
 "checksum app_dirs 1.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "e73a24bad9bd6a94d6395382a6c69fe071708ae4409f763c5475e14ee896313d"
@@ -5210,14 +5229,14 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 "checksum assert_matches 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)" = "7deb0a829ca7bcfaf5da70b073a8d128619259a7be8216a355e23f00763059e5"
 "checksum atty 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)" = "9a7d5b8723950951411ee34d271d99dddcc2035a16ab25310ea2c8cfd4369652"
 "checksum autocfg 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)" = "a6d640bee2da49f60a4068a7fae53acde8982514ab7bae8b8cea9e88cbcfd799"
-"checksum backtrace 0.3.15 (registry+https://github.com/rust-lang/crates.io-index)" = "f106c02a3604afcdc0df5d36cc47b44b55917dbaf3d808f71c163a0ddba64637"
+"checksum backtrace 0.3.13 (registry+https://github.com/rust-lang/crates.io-index)" = "b5b493b66e03090ebc4343eb02f94ff944e0cbc9ac6571491d170ba026741eb5"
 "checksum backtrace-sys 0.1.28 (registry+https://github.com/rust-lang/crates.io-index)" = "797c830ac25ccc92a7f8a7b9862bde440715531514594a6154e3d4a54dd769b6"
 "checksum base-x 0.2.4 (registry+https://github.com/rust-lang/crates.io-index)" = "d55aa264e822dbafa12db4d54767aff17c6ba55ea2d8559b3e17392c7d000e5d"
 "checksum base58 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "5024ee8015f02155eee35c711107ddd9a9bf3cb689cf2a9089c97e79b6e1ae83"
 "checksum base64 0.10.1 (registry+https://github.com/rust-lang/crates.io-index)" = "0b25d992356d2eb0ed82172f5248873db5560c4721f564b13cb5193bda5e668e"
 "checksum base64 0.9.3 (registry+https://github.com/rust-lang/crates.io-index)" = "489d6c0ed21b11d038c31b6ceccca973e65d73ba3bd8ecb9a2babf5546164643"
 "checksum bigint 4.4.1 (registry+https://github.com/rust-lang/crates.io-index)" = "ebecac13b3c745150d7b6c3ea7572d372f09d627c2077e893bf26c5c7f70d282"
-"checksum bindgen 0.47.3 (registry+https://github.com/rust-lang/crates.io-index)" = "df683a55b54b41d5ea8ebfaebb5aa7e6b84e3f3006a78f010dadc9ca88469260"
+"checksum bindgen 0.43.2 (registry+https://github.com/rust-lang/crates.io-index)" = "6d52d263eacd15d26cbcf215d254b410bd58212aaa2d3c453a04b2d3b3adcf41"
 "checksum bitflags 1.0.4 (registry+https://github.com/rust-lang/crates.io-index)" = "228047a76f468627ca71776ecdebd732a3423081fcf5125585bcd7c49886ce12"
 "checksum bitmask 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)" = "5da9b3d9f6f585199287a473f4f8dfab6566cf827d15c00c219f53c645687ead"
 "checksum blake2 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)" = "91721a6330935673395a0607df4d49a9cb90ae12d259f1b3e0a3f6e1d486872e"
@@ -5231,10 +5250,10 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 "checksum byte-tools 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)" = "e3b5ca7a04898ad4bcd41c90c5285445ff5b791899bb1b0abdd2a2aa791211d7"
 "checksum byteorder 0.5.3 (registry+https://github.com/rust-lang/crates.io-index)" = "0fc10e8cc6b2580fda3f36eb6dc5316657f812a3df879a44a66fc9f0fdbc4855"
 "checksum byteorder 1.3.1 (registry+https://github.com/rust-lang/crates.io-index)" = "a019b10a2a7cdeb292db131fc8113e57ea2a908f6e7894b0c3c671893b65dbeb"
-"checksum bytes 0.4.12 (registry+https://github.com/rust-lang/crates.io-index)" = "206fdffcfa2df7cbe15601ef46c813fce0965eb3286db6b56c583b814b51c81c"
+"checksum bytes 0.4.11 (registry+https://github.com/rust-lang/crates.io-index)" = "40ade3d27603c2cb345eb0912aec461a6dec7e06a4ae48589904e808335c7afa"
 "checksum cast 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "926013f2860c46252efceabb19f4a6b308197505082c609025aa6706c011d427"
 "checksum cc 1.0.26 (registry+https://github.com/rust-lang/crates.io-index)" = "389803e36973d242e7fecb092b2de44a3d35ac62524b3b9339e51d577d668e02"
-"checksum cexpr 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)" = "a7fa24eb00d5ffab90eaeaf1092ac85c04c64aaf358ea6f84505b8116d24c6af"
+"checksum cexpr 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)" = "644d693ecfa91955ed32dcc7eda4914e1be97a641fb6f0645a37348e20b230da"
 "checksum cfg-if 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)" = "11d43355396e872eefb45ce6342e4374ed7bc2b3a502d1b28e36d6e23c05d1f4"
 "checksum chrono 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)" = "45912881121cb26fad7c38c17ba7daa18764771836b34fab7d3fbd93ed633878"
 "checksum clang-sys 0.26.4 (registry+https://github.com/rust-lang/crates.io-index)" = "6ef0c1bcf2e99c649104bd7a7012d8f8802684400e03db0ec0af48583c6fa0e4"
@@ -5261,13 +5280,13 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 "checksum crunchy 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "c240f247c278fa08a6d4820a6a222bfc6e0d999e51ba67be94f44c905b2161f2"
 "checksum crypto-mac 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "779015233ac67d65098614aec748ac1c756ab6677fa2e14cf8b37c08dfed1198"
 "checksum crypto-mac 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)" = "4434400df11d95d556bac068ddfedd482915eb18fe8bea89bc80b6e4b1c179e5"
-"checksum csv 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)" = "f0782c7154d8dd08f4adeb5aa22ab178c10281915f7da68d10bb646f03aaee73"
+"checksum csv 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)" = "9fd1c44c58078cfbeaf11fbb3eac9ae5534c23004ed770cc4bfb48e658ae4f04"
 "checksum csv-core 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)" = "fa5cdef62f37e6ffe7d1f07a381bc0db32b7a3ff1cac0de56cb0d81e71f53d65"
-"checksum ctor 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)" = "e5cc1c7c759bf979c651ce1da82d06065375e2223b65c070190b8000787da58b"
-"checksum ctr 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)" = "022cd691704491df67d25d006fe8eca083098253c4d43516c2206479c58c6736"
+"checksum ctor 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)" = "3b4c17619643c1252b5f690084b82639dd7fac141c57c8e77a00e0148132092c"
+"checksum ctr 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)" = "044f882973b245404e90c90e7e42e8ee8d7a64edfd7adf83d684fb97e8e2c1b6"
 "checksum ctrlc 3.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "630391922b1b893692c6334369ff528dcc3a9d8061ccf4c803aa8f83cb13db5e"
 "checksum cuckoofilter 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)" = "8dd43f7cfaffe0a386636a10baea2ee05cc50df3b77bea4a456c9572a939bf1f"
-"checksum curve25519-dalek 1.1.3 (registry+https://github.com/rust-lang/crates.io-index)" = "e1f8a6fc0376eb52dc18af94915cc04dfdf8353746c0e8c550ae683a0815e5c1"
+"checksum curve25519-dalek 1.0.3 (registry+https://github.com/rust-lang/crates.io-index)" = "dae47cc3529cdab597dbc8b606e565707209b506e55848f3c15679214a56c956"
 "checksum data-encoding 2.1.2 (registry+https://github.com/rust-lang/crates.io-index)" = "f4f47ca1860a761136924ddd2422ba77b2ea54fe8cc75b9040804a0d9d32ad97"
 "checksum derive_more 0.14.0 (registry+https://github.com/rust-lang/crates.io-index)" = "fbe9f11be34f800b3ecaaed0ec9ec2e015d1d0ba0c8644c1310f73d6e8994615"
 "checksum difference 2.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "524cbf6897b527295dff137cec09ecf3a05f4fddffd7dfcd1585403449e74198"
@@ -5276,17 +5295,17 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 "checksum discard 1.0.4 (registry+https://github.com/rust-lang/crates.io-index)" = "212d0f5754cb6769937f4501cc0e67f4f4483c8d2c3e1e922ee9edbe4ab4c7c0"
 "checksum dns-parser 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)" = "c4d33be9473d06f75f58220f71f7a9317aca647dc061dbd3c361b0bef505fbea"
 "checksum ed25519-dalek 1.0.0-pre.1 (registry+https://github.com/rust-lang/crates.io-index)" = "81956bcf7ef761fb4e1d88de3fa181358a0d26cbcb9755b587a08f9119824b86"
-"checksum either 1.5.2 (registry+https://github.com/rust-lang/crates.io-index)" = "5527cfe0d098f36e3f8839852688e63c8fff1c90b2b405aef730615f9a7bcf7b"
+"checksum either 1.5.0 (registry+https://github.com/rust-lang/crates.io-index)" = "3be565ca5c557d7f59e7cfcf1844f9e3033650c929c6566f511e8005f205c1d0"
 "checksum elastic-array 0.10.2 (registry+https://github.com/rust-lang/crates.io-index)" = "073be79b6538296faf81c631872676600616073817dd9a440c477ad09b408983"
 "checksum env_logger 0.6.1 (registry+https://github.com/rust-lang/crates.io-index)" = "b61fa891024a945da30a9581546e8cfaf5602c7b3f4c137a2805cf388f92075a"
 "checksum environmental 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)" = "5c7464757b80de8930c91c9afe77ddce501826bf9d134a87db2c67d9dc177e2c"
 "checksum error-chain 0.12.0 (registry+https://github.com/rust-lang/crates.io-index)" = "07e791d3be96241c77c43846b665ef1384606da2cd2a48730abe606a12906e02"
-"checksum exit-future 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)" = "d8013f441e38e31c670e7f34ec8f1d5d3a2bd9d303c1ff83976ca886005e8f48"
+"checksum exit-future 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)" = "87559b08e99a81a92bbb867d237543e43495857749f688e0773390a20d56c61c"
 "checksum failure 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)" = "795bd83d3abeb9220f257e597aa0080a508b27533824adf336529648f6abf7e2"
 "checksum failure_derive 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)" = "ea1063915fd7ef4309e222a5a07cf9c319fb9c7836b1f89b85458672dbb127e1"
 "checksum fake-simd 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)" = "e88a8acf291dafb59c2d96e8f59828f3838bb1a70398823ade51a84de6a6deed"
 "checksum fdlimit 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "b1ee15a7050e5580b3712877157068ea713b245b080ff302ae2ca973cfcd9baa"
-"checksum finality-grandpa 0.7.1 (registry+https://github.com/rust-lang/crates.io-index)" = "c9da35679ad45649e32e6344a08a36e71ba5f5305ba02d18c34d262c49ce0072"
+"checksum finality-grandpa 0.7.2 (registry+https://github.com/rust-lang/crates.io-index)" = "5cdd9ef7c48777665dacc9657c272778121d4d09848100bcc2bd9c773c6cf837"
 "checksum fixed-hash 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)" = "a557e80084b05c32b455963ff565a9de6f2866da023d6671705c6aff6f65e01c"
 "checksum fnv 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)" = "2fad85553e09a6f881f739c29f0b00b0f01357c743266d478b68951ce23285f3"
 "checksum foreign-types 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)" = "f6f339eb8adc052cd2ca78910fda869aefa38d22d5cb648e6485e4d3fc06f3b1"
@@ -5302,24 +5321,24 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 "checksum generic-array 0.8.3 (registry+https://github.com/rust-lang/crates.io-index)" = "fceb69994e330afed50c93524be68c42fa898c2d9fd4ee8da03bd7363acd26f2"
 "checksum glob 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)" = "8be18de09a56b60ed0edf84bc9df007e30040691af7acd1c41874faac5895bfb"
 "checksum globset 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)" = "4743617a7464bbda3c8aec8558ff2f9429047e025771037df561d383337ff865"
-"checksum h2 0.1.17 (registry+https://github.com/rust-lang/crates.io-index)" = "910a5e7be6283a9c91b3982fa5188368c8719cce2a3cf3b86048673bf9d9c36b"
+"checksum h2 0.1.16 (registry+https://github.com/rust-lang/crates.io-index)" = "ddb2b25a33e231484694267af28fec74ac63b5ccf51ee2065a5e313b834d836e"
 "checksum hash-db 0.12.2 (registry+https://github.com/rust-lang/crates.io-index)" = "ba7fb417e5c470acdd61068c79767d0e65962e70836cf6c9dfd2409f06345ce0"
-"checksum hash256-std-hasher 0.12.2 (registry+https://github.com/rust-lang/crates.io-index)" = "f8b2027c19ec91eb304999abae7307d225cf93be42af53b0039f76e98ed5af86"
+"checksum hash256-std-hasher 0.12.0 (registry+https://github.com/rust-lang/crates.io-index)" = "1224388a21c88a80ae7087a2a245ca6d80acc97a9186b75789fb3eeefd0609af"
 "checksum hashbrown 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)" = "3bae29b6653b3412c2e71e9d486db9f9df5d701941d86683005efb9f2d28e3da"
 "checksum hashmap_core 0.1.10 (registry+https://github.com/rust-lang/crates.io-index)" = "8e04cb7a5051270ef3fa79f8c7604d581ecfa73d520e74f554e45541c4b5881a"
 "checksum heapsize 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)" = "1679e6ea370dee694f91f1dc469bf94cf8f52051d147aec3e1f9497c6fc22461"
 "checksum heck 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)" = "20564e78d53d2bb135c343b3f47714a56af2061f1c928fdb541dc7b9fdd94205"
 "checksum hex 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)" = "805026a5d0141ffc30abb3be3173848ad46a1b1664fe632428479619a3644d77"
-"checksum hex-literal 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)" = "ddc2928beef125e519d69ae1baa8c37ea2e0d3848545217f6db0179c5eb1d639"
-"checksum hex-literal-impl 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)" = "520870c3213943eb8d7803e80180d12a6c7ceb4ae74602544529d1643dc4ddda"
+"checksum hex-literal 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)" = "ae0e5c30fb65e661a0e39860e37100dfbe4d39aff865e9357a6a4ed0b5bbf303"
+"checksum hex-literal-impl 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "1d340b6514f232f6db1bd16db65302a5278a04fef9ce867cb932e7e5fa21130a"
 "checksum hmac 0.4.2 (registry+https://github.com/rust-lang/crates.io-index)" = "7a13f4163aa0c5ca1be584aace0e2212b2e41be5478218d4f657f5f778b2ae2a"
 "checksum hmac 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)" = "f127a908633569f208325f86f71255d3363c79721d7f9fe31cd5569908819771"
 "checksum hmac-drbg 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)" = "4fe727d41d2eec0a6574d887914347e5ff96a3b87177817e2a9820c5c87fecc2"
-"checksum http 0.1.17 (registry+https://github.com/rust-lang/crates.io-index)" = "eed324f0f0daf6ec10c474f150505af2c143f251722bf9dbd1261bd1f2ee2c1a"
+"checksum http 0.1.15 (registry+https://github.com/rust-lang/crates.io-index)" = "1a10e5b573b9a0146545010f50772b9e8b1dd0a256564cc4307694c68832a2f5"
 "checksum httparse 1.3.3 (registry+https://github.com/rust-lang/crates.io-index)" = "e8734b0cfd3bc3e101ec59100e101c2eecd19282202e87808b3037b442777a83"
 "checksum humantime 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "3ca7e5f2e110db35f93b837c81797f3714500b81d517bf20c431b16d3ca4f114"
 "checksum hyper 0.10.15 (registry+https://github.com/rust-lang/crates.io-index)" = "df0caae6b71d266b91b4a83111a61d2b94ed2e2bea024c532b933dcff867e58c"
-"checksum hyper 0.12.25 (registry+https://github.com/rust-lang/crates.io-index)" = "7d5b6658b016965ae301fa995306db965c93677880ea70765a84235a96eae896"
+"checksum hyper 0.12.23 (registry+https://github.com/rust-lang/crates.io-index)" = "860faf61a9957c9cb0e23e69f1c8290e92f6eb660fcdd1f2d6777043a2ae1a46"
 "checksum idna 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)" = "38f09e0f0b1fb55fdee1f17470ad800da77af5186a1a76c026b679358b7e844e"
 "checksum impl-codec 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "d2050d823639fbeae26b2b5ba09aca8907793117324858070ade0673c49f793b"
 "checksum impl-serde 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "5158079de9d4158e0ce1de3ae0bd7be03904efc40b3d7dd8b8c301cbf6b52b56"
@@ -5329,14 +5348,14 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 "checksum iovec 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)" = "dbe6e417e7d0975db6512b90796e8ce223145ac4e33c377e4a42882a0e88bb08"
 "checksum itertools 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)" = "5b8467d9c1cebe26feb08c640139247fac215782d35371ade9a2136ed6085358"
 "checksum itoa 0.4.3 (registry+https://github.com/rust-lang/crates.io-index)" = "1306f3464951f30e30d12373d31c79fbd52d236e5e896fd92f96ec7babbbe60b"
-"checksum jsonrpc-core 10.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "dc15eef5f8b6bef5ac5f7440a957ff95d036e2f98706947741bfc93d1976db4c"
-"checksum jsonrpc-derive 10.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "c2dae61ca8a3b047fb11309b00661bc56837085bd07e46f907b9c562c0b03e68"
-"checksum jsonrpc-http-server 10.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "11d2a00824306155b8ef57fe957f31b8cd8ad24262f15cf911d84dcf9a3f206d"
-"checksum jsonrpc-pubsub 10.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "37fce55133ee264d0ab42bd862efcd45ae1d062cda599f4cc12ccc4be3195f2a"
-"checksum jsonrpc-server-utils 10.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "c9527f01ef25f251d64082cbefc0c6d6f367349afe6848ef908a674e06b2bdd3"
-"checksum jsonrpc-ws-server 10.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "3889012aa638a2f18eb1a879f46fc8b34e7e1423cbff3247cd1531de0d51084b"
+"checksum jsonrpc-core 10.0.1 (registry+https://github.com/rust-lang/crates.io-index)" = "7a5152c3fda235dfd68341b3edf4121bc4428642c93acbd6de88c26bf95fc5d7"
+"checksum jsonrpc-derive 10.0.2 (registry+https://github.com/rust-lang/crates.io-index)" = "c14be84e86c75935be83a34c6765bf31f97ed6c9163bb0b83007190e9703940a"
+"checksum jsonrpc-http-server 10.0.1 (registry+https://github.com/rust-lang/crates.io-index)" = "99e1ce36c7cc9dcab398024d76849ab2cb917ee812653bce6f74fc9eb7c82d16"
+"checksum jsonrpc-pubsub 10.0.1 (registry+https://github.com/rust-lang/crates.io-index)" = "56608ed54b1b2a69f4357cb8bdfbcbd99fe1179383c03a09bb428931bd35f592"
+"checksum jsonrpc-server-utils 10.0.1 (registry+https://github.com/rust-lang/crates.io-index)" = "5521613b31ea22d36d9f95ad642058dccec846a94ed8690957652d479f620707"
+"checksum jsonrpc-ws-server 10.0.1 (registry+https://github.com/rust-lang/crates.io-index)" = "20b8333a5a6e6ccbcf5c90f90919de557cba4929efa164e9bd0e8e497eb20e46"
 "checksum keccak 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "67c21572b4949434e4fc1e1978b99c5f77064153c59d998bf13ecd96fb5ecba7"
-"checksum keccak-hasher 0.12.2 (registry+https://github.com/rust-lang/crates.io-index)" = "af672553b2abac1c86c29fd62c79880638b6abc91d96db4aa42a5baab2bc1ca9"
+"checksum keccak-hasher 0.12.0 (registry+https://github.com/rust-lang/crates.io-index)" = "a02fb74dc1b613522069b5f2023c014756ce121c6c6fb39364c139b0efc39a2d"
 "checksum kernel32-sys 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "7507624b29483431c0ba2d82aece8ca6cdba9382bff4ddd0f7490560c056098d"
 "checksum kvdb 0.1.0 (git+https://github.com/paritytech/parity-common?rev=b0317f649ab2c665b7987b8475878fc4d2e1f81d)" = "<none>"
 "checksum kvdb-memorydb 0.1.0 (git+https://github.com/paritytech/parity-common?rev=b0317f649ab2c665b7987b8475878fc4d2e1f81d)" = "<none>"
@@ -5344,7 +5363,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 "checksum language-tags 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "a91d884b6667cd606bb5a69aa0c99ba811a115fc68915e7056ec08a46e93199a"
 "checksum lazy_static 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)" = "bc5729f27f159ddd61f4df6228e827e86643d4d3e7c32183cb30a1c08f604a14"
 "checksum lazycell 1.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "b294d6fa9ee409a054354afc4352b0b9ef7ca222c69b8812cbea9e7d2bf3783f"
-"checksum libc 0.2.51 (registry+https://github.com/rust-lang/crates.io-index)" = "bedcc7a809076656486ffe045abeeac163da1b558e963a31e29fbfbeba916917"
+"checksum libc 0.2.48 (registry+https://github.com/rust-lang/crates.io-index)" = "e962c7641008ac010fa60a7dfdc1712449f29c44ef2d4702394aea943ee75047"
 "checksum libloading 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)" = "9c3ad660d7cb8c5822cd83d10897b0f1f1526792737a179e73896152f85b88c2"
 "checksum libp2p 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)" = "f5b9cd37b1ca54fa2fd0bbf0486adf2f55f8994f2be9410b65265050b24709b2"
 "checksum libp2p-core 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)" = "bf9c56e6f04cb649fdeb806e963d2da223e3ed17748d9e924fdb836c09f76307"
@@ -5364,7 +5383,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 "checksum libp2p-uds 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)" = "bfa72d81501aad6998d3b1b964f68f438ef99c3aaf54d921e144e0477fa87568"
 "checksum libp2p-websocket 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)" = "647bd8862afe6e912eb34b7614f731c0ff89e8777b57d9f2f5f0fd593ecc8d9a"
 "checksum libp2p-yamux 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)" = "0dbb8d08cb536a964727e77b868a026c6d92993f08e387d49163565575a478d9"
-"checksum librocksdb-sys 5.17.2 (registry+https://github.com/rust-lang/crates.io-index)" = "7dfb546562f9b450237bb8df7a31961849ee9fb1186d9e356db1d7a6b7609ff2"
+"checksum librocksdb-sys 5.14.3 (registry+https://github.com/rust-lang/crates.io-index)" = "b9024327233e7fac7982440f73301c00046d438c5b1011e8f4e394226ce19007"
 "checksum libsecp256k1 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "688e8d65e495567c2c35ea0001b26b9debf0b4ea11f8cccc954233b75fc3428a"
 "checksum linked-hash-map 0.5.2 (registry+https://github.com/rust-lang/crates.io-index)" = "ae91b68aebc4ddb91978b11a1b02ddd8602a05ec19002801c5666000e05e0f83"
 "checksum linked_hash_set 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)" = "3c7c91c4c7bbeb4f2f7c4e5be11e6a05bd6830bc37249c47ce1ad86ad453ff9c"
@@ -5372,12 +5391,13 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 "checksum log 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)" = "e19e8d5c34a3e0e2223db8e060f9e8264aeeb5c5fc64a4ee9965c062211c024b"
 "checksum log 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)" = "c84ec4b527950aa83a329754b01dbe3f58361d1c5efacd1f6d68c494d08a17c6"
 "checksum lru-cache 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)" = "31e24f1ad8321ca0e8a1e0ac13f23cb668e6f5466c2c57319f6a5cf1cc8e3b1c"
+"checksum make-cmd 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "a8ca8afbe8af1785e09636acb5a41e08a765f5f0340568716c18a8700ba3c0d3"
 "checksum matches 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)" = "7ffc5c5338469d4d3ea17d269fa8ea3512ad247247c30bd2df69e68309ed0a08"
-"checksum memchr 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "2efc7bc57c883d4a4d6e3246905283d8dae951bb3bd32f49d6ef297f546e1c39"
+"checksum memchr 2.1.3 (registry+https://github.com/rust-lang/crates.io-index)" = "e1dd4eaac298c32ce07eb6ed9242eda7d82955b9170b7d6db59b2e02cc63fcb8"
 "checksum memoffset 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "0f9dc261e2b62d7a622bf416ea3c5245cdd5d9a7fcc428c0d06804dfce1775b3"
 "checksum memory-db 0.12.2 (registry+https://github.com/rust-lang/crates.io-index)" = "7623b01a4f1b7acb7cf8e3f678f05e15e6ae26cb0b738dfeb5cc186fd6b82ef4"
 "checksum memory_units 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)" = "71d96e3f3c0b6325d8ccd83c33b28acb183edcb6c67938ba104ec546854b0882"
-"checksum merlin 1.0.3 (registry+https://github.com/rust-lang/crates.io-index)" = "83c2dda19c01176e8e7148f7bdb88bbdf215a8db0641f89fc40e4b81736aeda5"
+"checksum merlin 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)" = "6a9e97b439f6d38cbe2a4a4aa93f6770c5305f62761b78b1851406c09c87ee2a"
 "checksum mime 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)" = "ba626b8a6de5da682e1caa06bdb42a335aee5a84db8e5046a3e8ab17ba0a3ae0"
 "checksum mio 0.6.16 (registry+https://github.com/rust-lang/crates.io-index)" = "71646331f2619b1026cc302f87a2b8b648d5c6dd6937846a16cc8ce0f347f432"
 "checksum mio-extras 2.0.5 (registry+https://github.com/rust-lang/crates.io-index)" = "46e73a04c2fa6250b8d802134d56d554a9ec2922bf977777c805ea5def61ce40"
@@ -5390,16 +5410,16 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 "checksum nix 0.11.0 (registry+https://github.com/rust-lang/crates.io-index)" = "d37e713a259ff641624b6cb20e3b12b2952313ba36b6823c0f16e6cfd9e5de17"
 "checksum nodrop 0.1.13 (registry+https://github.com/rust-lang/crates.io-index)" = "2f9667ddcc6cc8a43afc9b7917599d7216aa09c463919ea32c59ed6cac8bc945"
 "checksum nohash-hasher 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "0d138afcce92d219ccb6eb53d9b1e8a96ac0d633cfd3c53cd9856d96d1741bb8"
-"checksum nom 4.2.3 (registry+https://github.com/rust-lang/crates.io-index)" = "2ad2a91a8e869eeb30b9cb3119ae87773a8f4ae617f41b1eb9c154b2905f7bd6"
+"checksum nom 4.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "b30adc557058ce00c9d0d7cb3c6e0b5bc6f36e2e2eabe74b0ba726d194abd588"
 "checksum num-integer 0.1.39 (registry+https://github.com/rust-lang/crates.io-index)" = "e83d528d2677f0518c570baf2b7abdcf0cd2d248860b68507bdcb3e91d4c0cea"
 "checksum num-traits 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)" = "0b3a5d7cc97d6d30d8b9bc8fa19bf45349ffe46241e8816f50f62f6d6aaabee1"
-"checksum num_cpus 1.10.0 (registry+https://github.com/rust-lang/crates.io-index)" = "1a23f0ed30a54abaa0c7e83b1d2d87ada7c3c23078d1d87815af3e3b6385fbba"
+"checksum num_cpus 1.9.0 (registry+https://github.com/rust-lang/crates.io-index)" = "5a69d464bdc213aaaff628444e99578ede64e9c854025aa43b9796530afa9238"
 "checksum ole32-sys 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "5d2c49021782e5233cd243168edfa8037574afed4eba4bbaf538b3d8d1789d8c"
 "checksum once_cell 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)" = "532c29a261168a45ce28948f9537ddd7a5dd272cc513b3017b1e82a88f962c37"
 "checksum opaque-debug 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "93f5bb2e8e8dec81642920ccff6b61f1eb94fa3020c5a325c9851ff604152409"
-"checksum openssl 0.10.20 (registry+https://github.com/rust-lang/crates.io-index)" = "5a0d6b781aac4ac1bd6cafe2a2f0ad8c16ae8e1dd5184822a16c50139f8838d9"
+"checksum openssl 0.10.16 (registry+https://github.com/rust-lang/crates.io-index)" = "ec7bd7ca4cce6dbdc77e7c1230682740d307d1218a87fb0349a571272be749f9"
 "checksum openssl-probe 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)" = "77af24da69f9d9341038eba93a073b1fdaaa1b788221b00a69bce9e762cb32de"
-"checksum openssl-sys 0.9.43 (registry+https://github.com/rust-lang/crates.io-index)" = "33c86834957dd5b915623e94f2f4ab2c70dd8f6b70679824155d5ae21dbd495d"
+"checksum openssl-sys 0.9.40 (registry+https://github.com/rust-lang/crates.io-index)" = "1bb974e77de925ef426b6bc82fce15fd45bdcbeb5728bffcfc7cdeeb7ce1c2d6"
 "checksum output_vt100 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)" = "53cdc5b785b7a58c5aad8216b3dfa114df64b0b06ae6e1501cef91df2fbdf8f9"
 "checksum owning_ref 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)" = "cdf84f41639e037b484f93433aa3897863b561ed65c6e59c7073d7c561710f37"
 "checksum owning_ref 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "49a4b8ea2179e6a2e27411d3bca09ca6dd630821cf6894c6c7c8467a8ee7ef13"
@@ -5417,8 +5437,8 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 "checksum parking_lot_core 0.2.14 (registry+https://github.com/rust-lang/crates.io-index)" = "4db1a8ccf734a7bce794cc19b3df06ed87ab2f3907036b693c68f56b4d4537fa"
 "checksum parking_lot_core 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)" = "ad7f7e6ebdc79edff6fdcb87a55b620174f7a989e3eb31b65231f4af57f00b8c"
 "checksum parking_lot_core 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "94c8c7923936b28d546dfd14d4472eaf34c99b14e1c973a32b3e6d4eb04298c9"
-"checksum paste 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)" = "1f4a4a1c555c6505821f9d58b8779d0f630a6b7e4e1be24ba718610acf01fa79"
-"checksum paste-impl 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)" = "26e796e623b8b257215f27e6c80a5478856cae305f5b59810ff9acdaa34570e6"
+"checksum paste 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)" = "f50392d1265092fbee9273414cc40eb6d47d307bd66222c477bb8450c8504f9d"
+"checksum paste-impl 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)" = "a3cd512fe3a55e8933b2dcad913e365639db86d512e4004c3084b86864d9467a"
 "checksum pbkdf2 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)" = "006c038a43a45995a9670da19e67600114740e8511d4333bf97a56e66a7542d9"
 "checksum peeking_take_while 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)" = "19b17cddbe7ec3f8bc800887bab5e717348c95ea2ca0b1bf0837fb964dc67099"
 "checksum percent-encoding 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)" = "31010dd2e1ac33d5b46a5b413495239882813e0369f8ed8a5e266f173602f831"
@@ -5430,11 +5450,13 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 "checksum proc-macro-hack 0.4.1 (registry+https://github.com/rust-lang/crates.io-index)" = "2c725b36c99df7af7bf9324e9c999b9e37d92c8f8caf106d82e1d7953218d2d8"
 "checksum proc-macro-hack 0.5.4 (registry+https://github.com/rust-lang/crates.io-index)" = "3e90aa19cd73dedc2d0e1e8407473f073d735fef0ab521438de6da8ee449ab66"
 "checksum proc-macro-hack-impl 0.4.1 (registry+https://github.com/rust-lang/crates.io-index)" = "2b753ad9ed99dd8efeaa7d2fb8453c8f6bc3e54b97966d35f1bc77ca6865254a"
+"checksum proc-macro2 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)" = "77997c53ae6edd6d187fec07ec41b207063b5ee6f33680e9fa86d405cdd313d4"
 "checksum proc-macro2 0.4.27 (registry+https://github.com/rust-lang/crates.io-index)" = "4d317f9caece796be1980837fd5cb3dfec5613ebdb04ad0956deea83ce168915"
-"checksum protobuf 2.4.2 (registry+https://github.com/rust-lang/crates.io-index)" = "524d165d95627ddebba768db728216c4429bbb62882f7e6ab1a6c3c54a7ed830"
+"checksum protobuf 2.3.0 (registry+https://github.com/rust-lang/crates.io-index)" = "d82d117bc7565ce6be0150159251c9b1eeec7b129f5a2aa86e10acb5970de1cb"
 "checksum pwasm-utils 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)" = "efb0dcbddbb600f47a7098d33762a00552c671992171637f5bb310b37fe1f0e4"
 "checksum quick-error 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)" = "5fb6ccf8db7bbcb9c2eae558db5ab4f3da1c2a87e4e597ed394726bc8ea6ca1d"
 "checksum quick-error 1.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "9274b940887ce9addde99c4eee6b5c44cc494b182b97e73dc8ffdcb3397fd3f0"
+"checksum quote 0.5.2 (registry+https://github.com/rust-lang/crates.io-index)" = "9949cfe66888ffe1d53e6ec9d9f3b70714083854be20fd5e271b232a017401e8"
 "checksum quote 0.6.12 (registry+https://github.com/rust-lang/crates.io-index)" = "faf4799c5d274f3868a4aae320a0a182cbd2baee377b378f080e16a23e9d80db"
 "checksum rand 0.3.23 (registry+https://github.com/rust-lang/crates.io-index)" = "64ac302d8f83c0c1974bf758f6b041c6c8ada916fbb44a609158ca8b064cc76c"
 "checksum rand 0.4.6 (registry+https://github.com/rust-lang/crates.io-index)" = "552840b97013b1a26992c11eac34bdd778e464601a4c2054b5f0bff7c6761293"
@@ -5446,18 +5468,18 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 "checksum rand_hc 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "7b40677c7be09ae76218dc623efbf7b18e34bced3f38883af07bb75630a21bc4"
 "checksum rand_isaac 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "ded997c9d5f13925be2a6fd7e66bf1872597f759fd9dd93513dd7e92e5a5ee08"
 "checksum rand_jitter 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)" = "7b9ea758282efe12823e0d952ddb269d2e1897227e464919a554f2a03ef1b832"
-"checksum rand_os 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)" = "7b75f676a1e053fc562eafbb47838d67c84801e38fc1ba459e8f180deabd5071"
-"checksum rand_pcg 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)" = "abf9b09b01790cfe0364f52bf32995ea3c39f4d2dd011eac241d2914146d0b44"
+"checksum rand_os 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)" = "b7c690732391ae0abafced5015ffb53656abfaec61b342290e5eb56b286a679d"
+"checksum rand_pcg 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "086bd09a33c7044e56bb44d5bdde5a60e7f119a9e95b0775f545de759a32fe05"
 "checksum rand_xorshift 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "cbf7e9e623549b0e21f6e97cf8ecf247c1a8fd2e8a992ae265314300b2455d5c"
 "checksum rand_xoshiro 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "03b418169fb9c46533f326efd6eed2576699c44ca92d3052a066214a8d828929"
 "checksum rayon 1.0.3 (registry+https://github.com/rust-lang/crates.io-index)" = "373814f27745b2686b350dd261bfd24576a6fb0e2c5919b3a2b6005f820b0473"
 "checksum rayon-core 1.4.1 (registry+https://github.com/rust-lang/crates.io-index)" = "b055d1e92aba6877574d8fe604a63c8b5df60f60e5982bf7ccbb1338ea527356"
 "checksum rdrand 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "678054eb77286b51581ba43620cc911abf02758c91f93f479767aed0f90458b2"
-"checksum redox_syscall 0.1.53 (registry+https://github.com/rust-lang/crates.io-index)" = "53848511b7ee6eb9d5c3db48481aaa5779b38fc0131bc133c98cb4f2b2411928"
+"checksum redox_syscall 0.1.51 (registry+https://github.com/rust-lang/crates.io-index)" = "423e376fffca3dfa06c9e9790a9ccd282fafb3cc6e6397d01dbf64f9bacc6b85"
 "checksum redox_termios 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "7e891cfe48e9100a70a3b6eb652fef28920c117d366339687bd5576160db0f76"
 "checksum ref_thread_local 0.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "d813022b2e00774a48eaf43caaa3c20b45f040ba8cbf398e2e8911a06668dbe6"
-"checksum regex 1.1.5 (registry+https://github.com/rust-lang/crates.io-index)" = "559008764a17de49a3146b234641644ed37d118d1ef641a0bb573d146edc6ce0"
-"checksum regex-syntax 0.6.6 (registry+https://github.com/rust-lang/crates.io-index)" = "dcfd8681eebe297b81d98498869d4aae052137651ad7b96822f09ceb690d0a96"
+"checksum regex 1.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "37e7cbbd370869ce2e8dff25c7018702d10b21a20ef7135316f8daecd6c25b7f"
+"checksum regex-syntax 0.6.5 (registry+https://github.com/rust-lang/crates.io-index)" = "8c2f35eedad5295fdf00a63d7d4b238135723f92b434ec06774dad15c7ab0861"
 "checksum remove_dir_all 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)" = "3488ba1b9a2084d38645c4c08276a1752dcbf2c7130d74f1569681ad5d2799c5"
 "checksum rhododendron 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)" = "ae9381ed76c1ec4e8994f1f7d2c6d7e33eed3ff7176e16fece09c2e993fc4a5a"
 "checksum ring 0.14.6 (registry+https://github.com/rust-lang/crates.io-index)" = "426bc186e3e95cac1e4a4be125a4aca7e84c2d616ffc02244eef36e2a60a093c"
@@ -5472,18 +5494,18 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 "checksum safe-mix 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "7f7bf422d23a88c16d5090d455f182bc99c60af4df6a345c63428acf5129e347"
 "checksum safemem 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)" = "8dca453248a96cb0749e36ccdfe2b0b4e54a61bfef89fb97ec621eb8e0a93dd9"
 "checksum same-file 1.0.4 (registry+https://github.com/rust-lang/crates.io-index)" = "8f20c4be53a8a1ff4c1f1b2bd14570d2f634628709752f0702ecdd2b3f9a5267"
-"checksum schannel 0.1.15 (registry+https://github.com/rust-lang/crates.io-index)" = "f2f6abf258d99c3c1c5c2131d99d064e94b7b3dd5f416483057f308fea253339"
+"checksum schannel 0.1.14 (registry+https://github.com/rust-lang/crates.io-index)" = "0e1a231dc10abf6749cfa5d7767f25888d484201accbd919b66ab5413c502d56"
+"checksum schnorrkel 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "a700659388785588c75b197cecda0f23c7112a9281ef703e8ffc651061ce014c"
 "checksum schnorrkel 0.1.1 (git+https://github.com/paritytech/schnorrkel)" = "<none>"
-"checksum schnorrkel 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "b5eff518f9bed3d803a0d002af0ab96339b0ebbedde3bec98a684986134b7a39"
 "checksum scopeguard 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)" = "94258f53601af11e6a49f722422f6e3425c52b06245a5cf9bc09908b174f5e27"
 "checksum secp256k1 0.12.2 (registry+https://github.com/rust-lang/crates.io-index)" = "bfaccd3a23619349e0878d9a241f34b1982343cdf67367058cd7d078d326b63e"
 "checksum security-framework 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "bfab8dda0e7a327c696d893df9ffa19cadc4bd195797997f5223cf5831beaf05"
 "checksum security-framework-sys 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)" = "3d6696852716b589dff9e886ff83778bb635150168e83afa8ac6b8a78cb82abc"
 "checksum semver 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)" = "1d7eb9ef2c18661902cc47e535f9bc51b78acd254da71d375c2f6720d9a40403"
 "checksum semver-parser 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)" = "388a1df253eca08550bef6c72392cfe7c30914bf41df5269b68cbd6ff8f570a3"
-"checksum serde 1.0.90 (registry+https://github.com/rust-lang/crates.io-index)" = "aa5f7c20820475babd2c077c3ab5f8c77a31c15e16ea38687b4c02d3e48680f4"
-"checksum serde_derive 1.0.90 (registry+https://github.com/rust-lang/crates.io-index)" = "58fc82bec244f168b23d1963b45c8bf5726e9a15a9d146a067f9081aeed2de79"
-"checksum serde_json 1.0.39 (registry+https://github.com/rust-lang/crates.io-index)" = "5a23aa71d4a4d43fdbfaac00eff68ba8a06a51759a89ac3304323e800c4dd40d"
+"checksum serde 1.0.87 (registry+https://github.com/rust-lang/crates.io-index)" = "2e20fde37801e83c891a2dc4ebd3b81f0da4d1fb67a9e0a2a3b921e2536a58ee"
+"checksum serde_derive 1.0.87 (registry+https://github.com/rust-lang/crates.io-index)" = "633e97856567e518b59ffb2ad7c7a4fd4c5d91d9c7f32dd38a27b2bf7e8114ea"
+"checksum serde_json 1.0.38 (registry+https://github.com/rust-lang/crates.io-index)" = "27dce848e7467aa0e2fcaf0a413641499c0b745452aaca1194d24dedde9e13c9"
 "checksum sha1 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)" = "2579985fda508104f7587689507983eadd6a6e84dd35d6d115361f530916fa0d"
 "checksum sha2 0.6.0 (registry+https://github.com/rust-lang/crates.io-index)" = "7d963c78ce367df26d7ea8b8cc655c651b42e8a1e584e869c1e17dae3ccb116a"
 "checksum sha2 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)" = "7b4d8bfd0e469f417657573d8451fb33d16cfe0989359b93baf3a1ffc639543d"
@@ -5494,33 +5516,33 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 "checksum slog-async 2.3.0 (registry+https://github.com/rust-lang/crates.io-index)" = "e544d16c6b230d84c866662fe55e31aacfca6ae71e6fc49ae9a311cb379bfc2f"
 "checksum slog-json 2.3.0 (registry+https://github.com/rust-lang/crates.io-index)" = "ddc0d2aff1f8f325ef660d9a0eb6e6dcd20b30b3f581a5897f58bf42d061c37a"
 "checksum slog-scope 4.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "60c04b4726fa04595ccf2c2dad7bcd15474242c4c5e109a8a376e8a2c9b1539a"
-"checksum smallvec 0.6.9 (registry+https://github.com/rust-lang/crates.io-index)" = "c4488ae950c49d403731982257768f48fada354a5203fe81f9bb6f43ca9002be"
-"checksum snow 0.5.2 (registry+https://github.com/rust-lang/crates.io-index)" = "5a64f02fd208ef15bd2d1a65861df4707e416151e1272d02c8faafad1c138100"
+"checksum smallvec 0.6.8 (registry+https://github.com/rust-lang/crates.io-index)" = "88aea073965ab29f6edb5493faf96ad662fb18aa9eeb186a3b7057951605ed15"
+"checksum snow 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)" = "7251f8920e9043106cfe466c04ed3eb257b8315a7699259c4fd0af6dffb6aef6"
 "checksum spin 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)" = "44363f6f51401c34e7be73db0db371c04705d35efbe9f7d6082e03a921a32c55"
 "checksum stable_deref_trait 1.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "dba1a27d3efae4351c8051072d619e3ade2820635c3958d826bfea39d59b54c8"
 "checksum static_assertions 0.2.5 (registry+https://github.com/rust-lang/crates.io-index)" = "c19be23126415861cb3a23e501d34a708f7f9b2183c5252d690941c2e69199d5"
 "checksum static_slice 0.0.3 (registry+https://github.com/rust-lang/crates.io-index)" = "92a7e0c5e3dfb52e8fbe0e63a1b947bbb17b4036408b151353c4491374931362"
-"checksum stdweb 0.4.15 (registry+https://github.com/rust-lang/crates.io-index)" = "a3edad410e603184d656e2abded5fd4d3d6e93d5763d21130dbaf99795db74eb"
+"checksum stdweb 0.4.13 (registry+https://github.com/rust-lang/crates.io-index)" = "461e7f2e33670b1c33f1ea22bb2f86de6136fabd0c4d27d167ed425c231143ca"
 "checksum stdweb-derive 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)" = "0e21ebd9179de08f2300a65454268a17ea3de204627458588c84319c4def3930"
-"checksum stdweb-internal-macros 0.2.6 (registry+https://github.com/rust-lang/crates.io-index)" = "1635afd059cbfac7d5b1274f0c44cec110c1e013c48e8bbc22e07e52696cf887"
+"checksum stdweb-internal-macros 0.2.5 (registry+https://github.com/rust-lang/crates.io-index)" = "432465093692af7379dcd196ce4be398c906958d91b412fff9102a66238d6f26"
 "checksum stdweb-internal-runtime 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)" = "a2a2f4a2eb556337b2d1a302630bbddf989ae383c70393e89b48152b9896cbda"
 "checksum stream-cipher 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)" = "8861bc80f649f5b4c9bd38b696ae9af74499d479dbfb327f0607de6b326a36bc"
 "checksum string 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)" = "b639411d0b9c738748b5397d5ceba08e648f4f1992231aa859af1a017f31f60b"
 "checksum strsim 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)" = "bb4f380125926a99e52bc279241539c018323fab05ad6368b56f93d9369ff550"
-"checksum structopt 0.2.15 (registry+https://github.com/rust-lang/crates.io-index)" = "3d0760c312538987d363c36c42339b55f5ee176ea8808bbe4543d484a291c8d1"
-"checksum structopt-derive 0.2.15 (registry+https://github.com/rust-lang/crates.io-index)" = "528aeb7351d042e6ffbc2a6fb76a86f9b622fdf7c25932798e7a82cb03bc94c6"
+"checksum structopt 0.2.14 (registry+https://github.com/rust-lang/crates.io-index)" = "670ad348dc73012fcf78c71f06f9d942232cdd4c859d4b6975e27836c3efc0c3"
+"checksum structopt-derive 0.2.14 (registry+https://github.com/rust-lang/crates.io-index)" = "ef98172b1a00b0bec738508d3726540edcbd186d50dfd326f2b1febbb3559f04"
 "checksum strum 0.14.0 (registry+https://github.com/rust-lang/crates.io-index)" = "1810e25f576e7ffce1ff5243b37066da5ded0310b3274c20baaeccb1145b2806"
 "checksum strum_macros 0.14.0 (registry+https://github.com/rust-lang/crates.io-index)" = "572a2f4e53dd4c3483fd79e5cc10ddd773a3acb1169bbfe8762365e107110579"
-"checksum substrate-bip39 0.2.1 (git+https://github.com/paritytech/substrate-bip39)" = "<none>"
+"checksum substrate-bip39 0.2.0 (git+https://github.com/paritytech/substrate-bip39)" = "<none>"
 "checksum subtle 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "2d67a5a62ba6e01cb2192ff309324cb4875d0c451d55fe2319433abe7a05a8ee"
 "checksum subtle 2.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "702662512f3ddeb74a64ce2fbbf3707ee1b6bb663d28bb054e0779bbc720d926"
-"checksum syn 0.15.30 (registry+https://github.com/rust-lang/crates.io-index)" = "66c8865bf5a7cbb662d8b011950060b3c8743dca141b054bf7195b20d314d8e2"
+"checksum syn 0.15.31 (registry+https://github.com/rust-lang/crates.io-index)" = "d2b4cfac95805274c6afdb12d8f770fa2d27c045953e7b630a81801953699a9a"
 "checksum synstructure 0.10.1 (registry+https://github.com/rust-lang/crates.io-index)" = "73687139bf99285483c96ac0add482c3776528beac1d97d444f6e91f203a2015"
-"checksum sysinfo 0.8.2 (registry+https://github.com/rust-lang/crates.io-index)" = "b5a0cb7899e248ed0baa6ef6f8406352523c2f99bc7c4b1800f4cd6d5dde99eb"
+"checksum sysinfo 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)" = "a4da1ccc493b46042d6f5352910a7f18ed8fe81307dd7db3f2e2d8a7db6f6284"
 "checksum take_mut 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "f764005d11ee5f36500a149ace24e00e3da98b0158b3e2d53a7495660d3f4d60"
 "checksum target_info 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "c63f48baada5c52e65a29eef93ab4f8982681b67f9e8d29c7b05abcfec2b9ffe"
 "checksum tempdir 0.3.7 (registry+https://github.com/rust-lang/crates.io-index)" = "15f2b5fb00ccdf689e0149d1b1b3c03fead81c2b37735d812fa8bddbbf41b6d8"
-"checksum tempfile 3.0.7 (registry+https://github.com/rust-lang/crates.io-index)" = "b86c784c88d98c801132806dadd3819ed29d8600836c4088e855cdf3e178ed8a"
+"checksum tempfile 3.0.6 (registry+https://github.com/rust-lang/crates.io-index)" = "37daa55a7240c4931c84559f03b3cad7d19535840d1c4a0cc4e9b2fb0dcf70ff"
 "checksum termcolor 1.0.4 (registry+https://github.com/rust-lang/crates.io-index)" = "4096add70612622289f2fdcdbd5086dc81c1e2675e6ae58d6c4f62a16c6d7f2f"
 "checksum termion 1.5.1 (registry+https://github.com/rust-lang/crates.io-index)" = "689a3bdfaab439fd92bc87df5c4c78417d3cbe537487274e9b0b2dce76e92096"
 "checksum textwrap 0.10.0 (registry+https://github.com/rust-lang/crates.io-index)" = "307686869c93e71f94da64286f9a9524c0f308a9e1c87a583de8e9c9039ad3f6"
@@ -5536,8 +5558,8 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 "checksum tokio-dns-unofficial 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "82c65483db54eb91b4ef3a9389a3364558590faf30ce473141707c0e16fda975"
 "checksum tokio-executor 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)" = "83ea44c6c0773cc034771693711c35c677b4b5a4b21b9e7071704c54de7d555e"
 "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-io 0.1.11 (registry+https://github.com/rust-lang/crates.io-index)" = "b53aeb9d3f5ccf2ebb29e19788f96987fa1355f8fe45ea193928eaaaf3ae820f"
+"checksum tokio-reactor 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)" = "afbcdb0f0d2a1e4c440af82d7bbf0bf91a8a8c0575bcd20c05d15be7e9d3a02f"
 "checksum tokio-sync 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)" = "fda385df506bf7546e70872767f71e81640f1f251bdf2fd8eb81a0eaec5fe022"
 "checksum tokio-tcp 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)" = "1d14b10654be682ac43efee27401d792507e30fd8d26389e1da3b185de2e4119"
 "checksum tokio-threadpool 0.1.13 (registry+https://github.com/rust-lang/crates.io-index)" = "ec5759cf26cf9659555f36c431b515e3d05f66831741c85b4b5d5dfb9cf1323c"
@@ -5548,10 +5570,10 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 "checksum tokio-uds 0.2.5 (registry+https://github.com/rust-lang/crates.io-index)" = "037ffc3ba0e12a0ab4aca92e5234e0dedeb48fddf6ccd260f1f150a36a9f2445"
 "checksum toml 0.4.10 (registry+https://github.com/rust-lang/crates.io-index)" = "758664fc71a3a69038656bee8b6be6477d2a6c315a6b81f7081f591bffa4111f"
 "checksum traitobject 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "efd1f82c56340fdf16f2a953d7bda4f8fdffba13d93b00844c25572110b26079"
-"checksum trie-bench 0.12.2 (registry+https://github.com/rust-lang/crates.io-index)" = "ba20f7d9865497ea46511860b43e05a44f4ac9a76ee089d34cd80a839a690264"
+"checksum trie-bench 0.12.0 (registry+https://github.com/rust-lang/crates.io-index)" = "eafa32a8662c06f5bf135984bc1a12821fd38770b5c2f2f9e8750327fcbe3955"
 "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-standardmap 0.12.2 (registry+https://github.com/rust-lang/crates.io-index)" = "e4e24277af05f38f3aaf03ac78e3a154be83f13db9c8ef0cb95bb1aa764a477b"
+"checksum trie-standardmap 0.12.0 (registry+https://github.com/rust-lang/crates.io-index)" = "006314f54f2ea7944a878e66fd93ad7978095bc355f30a2f26ec40f664d86c86"
 "checksum try-lock 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)" = "e604eb7b43c06650e854be16a2a03155743d3752dd1c943f6829e26b7a36e382"
 "checksum twofish 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "712d261e83e727c8e2dbb75dacac67c36e35db36a958ee504f2164fc052434e1"
 "checksum twox-hash 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "09871da9f15424236082e0b220fd404a4eb6bebc7205c67653701229234ac64c"
@@ -5560,12 +5582,13 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 "checksum ucd-util 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)" = "535c204ee4d8434478593480b8f86ab45ec9aae0e83c568ca81abf0fd0e88f86"
 "checksum uint 0.6.1 (registry+https://github.com/rust-lang/crates.io-index)" = "e7780bb27fd8a22295e0d9d53ae3be253f715a0dccb1808527f478f1c2603708"
 "checksum unicase 1.4.2 (registry+https://github.com/rust-lang/crates.io-index)" = "7f4765f83163b74f957c797ad9253caf97f103fb064d3999aea9568d09fc8a33"
-"checksum unicase 2.3.0 (registry+https://github.com/rust-lang/crates.io-index)" = "41d17211f887da8e4a70a45b9536f26fc5de166b81e2d5d80de4a17fd22553bd"
+"checksum unicase 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "9d3218ea14b4edcaccfa0df0a64a3792a2c32cc706f1b336e48867f9d3147f90"
 "checksum unicode-bidi 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)" = "49f2bd0c6468a8230e1db229cff8029217cf623c767ea5d60bfbd42729ea54d5"
 "checksum unicode-normalization 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)" = "141339a08b982d942be2ca06ff8b076563cbe223d1befd5450716790d44e2426"
 "checksum unicode-segmentation 1.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "aa6024fc12ddfd1c6dbc14a80fa2324d4568849869b779f6bd37e5e4c03344d1"
 "checksum unicode-width 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)" = "882386231c45df4700b275c7ff55b6f3698780a650026380e72dabe76fa46526"
 "checksum unicode-xid 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "fc72304796d0818e357ead4e000d19c9c174ab23dc11093ac919054d20a6a7fc"
+"checksum unreachable 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "382810877fe448991dfc7f0dd6e3ae5d58088fd0ea5e35189655f84e6814fa56"
 "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"
@@ -5579,11 +5602,11 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 "checksum wabt-sys 0.5.4 (registry+https://github.com/rust-lang/crates.io-index)" = "a6265b25719e82598d104b3717375e37661d41753e2c84cde3f51050c7ed7e3c"
 "checksum walkdir 2.2.7 (registry+https://github.com/rust-lang/crates.io-index)" = "9d9d7ed3431229a144296213105a390676cc49c9b6a72bd19f3176c98e129fa1"
 "checksum want 0.0.6 (registry+https://github.com/rust-lang/crates.io-index)" = "797464475f30ddb8830cc529aaaae648d581f99e2036a928877dfde027ddf6b3"
-"checksum wasmi 0.4.4 (registry+https://github.com/rust-lang/crates.io-index)" = "f6a891b45c79e9f96fb66cc84a057211ef9cd2e5e8d093f3dbbd480e146a8758"
-"checksum websocket 0.22.3 (registry+https://github.com/rust-lang/crates.io-index)" = "7cc2d74d89f9df981ab41ae624e33cf302fdf456b93455c6a31911a99c9f0bb8"
-"checksum which 2.0.1 (registry+https://github.com/rust-lang/crates.io-index)" = "b57acb10231b9493c8472b20cb57317d0679a49e0bdbee44b3b803a6473af164"
+"checksum wasmi 0.4.3 (registry+https://github.com/rust-lang/crates.io-index)" = "21ef487a11df1ed468cf613c78798c26282da5c30e9d49f824872d4c77b47d1d"
+"checksum websocket 0.22.2 (registry+https://github.com/rust-lang/crates.io-index)" = "d2c67346c042adbd4f5b2a49700e340befc5b772094fec8d36df6b825523d933"
+"checksum which 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)" = "e84a603e7e0b1ce1aa1ee2b109c7be00155ce52df5081590d1ffb93f4f515cb2"
 "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 0.3.6 (registry+https://github.com/rust-lang/crates.io-index)" = "92c1eb33641e276cfa214a0522acad57be5c56b10cb348b3c5117db75f3ac4b0"
 "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"
@@ -5591,7 +5614,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 "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 x25519-dalek 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)" = "4aca1ba6bec2719576bd20dfe5b24d9359552e616d10bff257e50cd85f745d17"
 "checksum xdg 2.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "d089681aa106a86fade1b0128fb5daf07d5867a509ab036d99988dec80429a57"
 "checksum yaml-rust 0.3.5 (registry+https://github.com/rust-lang/crates.io-index)" = "e66366e18dc58b46801afbf2ca7661a9f59cc8c5962c29892b6039b4f86fa992"
 "checksum yamux 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)" = "302defd1bed8a9a6d43b82f0e5a50510dfdfbbd02c270c93ff9d6f3f5e2dea89"
diff --git a/substrate/core/finality-grandpa/Cargo.toml b/substrate/core/finality-grandpa/Cargo.toml
index 5ae9d0197f..2424eed06f 100644
--- a/substrate/core/finality-grandpa/Cargo.toml
+++ b/substrate/core/finality-grandpa/Cargo.toml
@@ -22,7 +22,7 @@ network = { package = "substrate-network", path = "../network" }
 service = { package = "substrate-service", path = "../service", optional = true }
 srml-finality-tracker = { path = "../../srml/finality-tracker" }
 fg_primitives = { package = "substrate-finality-grandpa-primitives", path = "primitives" }
-grandpa = { package = "finality-grandpa", version = "0.7.1", features = ["derive-codec"] }
+grandpa = { package = "finality-grandpa", version = "0.7.2", features = ["derive-codec"] }
 
 [dev-dependencies]
 consensus_common = { package = "substrate-consensus-common", path = "../consensus/common", features = ["test-helpers"] }
diff --git a/substrate/core/finality-grandpa/src/environment.rs b/substrate/core/finality-grandpa/src/environment.rs
index 387673dea3..8f5db93cae 100644
--- a/substrate/core/finality-grandpa/src/environment.rs
+++ b/substrate/core/finality-grandpa/src/environment.rs
@@ -298,31 +298,7 @@ impl<Block: BlockT<Hash=H256>, B, E, N, RA> grandpa::Chain<Block::Hash, NumberFo
 	NumberFor<Block>: BlockNumberOps,
 {
 	fn ancestry(&self, base: Block::Hash, block: Block::Hash) -> Result<Vec<Block::Hash>, GrandpaError> {
-		if base == block { return Err(GrandpaError::NotDescendent) }
-
-		let tree_route_res = ::client::blockchain::tree_route(
-			self.inner.backend().blockchain(),
-			BlockId::Hash(block),
-			BlockId::Hash(base),
-		);
-
-		let tree_route = match tree_route_res {
-			Ok(tree_route) => tree_route,
-			Err(e) => {
-				debug!(target: "afg", "Encountered error computing ancestry between block {:?} and base {:?}: {:?}",
-					block, base, e);
-
-				return Err(GrandpaError::NotDescendent);
-			}
-		};
-
-		if tree_route.common_block().hash != base {
-			return Err(GrandpaError::NotDescendent);
-		}
-
-		// skip one because our ancestry is meant to start from the parent of `block`,
-		// and `tree_route` includes it.
-		Ok(tree_route.retracted().iter().skip(1).map(|e| e.hash).collect())
+		ancestry(&self.inner, base, block)
 	}
 
 	fn best_chain_containing(&self, block: Block::Hash) -> Option<(Block::Hash, NumberFor<Block>)> {
@@ -400,6 +376,41 @@ impl<Block: BlockT<Hash=H256>, B, E, N, RA> grandpa::Chain<Block::Hash, NumberFo
 	}
 }
 
+pub(crate) fn ancestry<B, Block: BlockT<Hash=H256>, E, RA>(
+	client: &Client<B, E, Block, RA>,
+	base: Block::Hash,
+	block: Block::Hash,
+) -> Result<Vec<Block::Hash>, GrandpaError> where
+	B: Backend<Block, Blake2Hasher>,
+	E: CallExecutor<Block, Blake2Hasher>,
+{
+	if base == block { return Err(GrandpaError::NotDescendent) }
+
+	let tree_route_res = ::client::blockchain::tree_route(
+		client.backend().blockchain(),
+		BlockId::Hash(block),
+		BlockId::Hash(base),
+	);
+
+	let tree_route = match tree_route_res {
+		Ok(tree_route) => tree_route,
+		Err(e) => {
+			debug!(target: "afg", "Encountered error computing ancestry between block {:?} and base {:?}: {:?}",
+				   block, base, e);
+
+			return Err(GrandpaError::NotDescendent);
+		}
+	};
+
+	if tree_route.common_block().hash != base {
+		return Err(GrandpaError::NotDescendent);
+	}
+
+	// skip one because our ancestry is meant to start from the parent of `block`,
+	// and `tree_route` includes it.
+	Ok(tree_route.retracted().iter().skip(1).map(|e| e.hash).collect())
+}
+
 impl<B, E, Block: BlockT<Hash=H256>, N, RA> voter::Environment<Block::Hash, NumberFor<Block>> for Environment<B, E, Block, N, RA> where
 	Block: 'static,
 	B: Backend<Block, Blake2Hasher> + 'static,
diff --git a/substrate/core/finality-grandpa/src/lib.rs b/substrate/core/finality-grandpa/src/lib.rs
index 56b66e7026..3d9ec8b5e7 100644
--- a/substrate/core/finality-grandpa/src/lib.rs
+++ b/substrate/core/finality-grandpa/src/lib.rs
@@ -89,6 +89,7 @@ mod environment;
 mod finality_proof;
 mod import;
 mod justification;
+mod observer;
 mod until_imported;
 
 #[cfg(feature="service-integration")]
@@ -97,6 +98,7 @@ mod service_integration;
 pub use service_integration::{LinkHalfForService, BlockImportForService};
 pub use communication::Network;
 pub use finality_proof::{prove_finality, check_finality_proof};
+pub use observer::run_grandpa_observer;
 
 use aux_schema::PersistentData;
 use environment::{CompletedRound, CompletedRounds, Environment, HasVoted, SharedVoterSetState, VoterSetState};
@@ -433,7 +435,7 @@ fn register_finality_tracker_inherent_data_provider<B, E, Block: BlockT<Hash=H25
 
 /// Run a GRANDPA voter as a task. Provide configuration and a link to a
 /// block import worker that has already been instantiated with `block_import`.
-pub fn run_grandpa<B, E, Block: BlockT<Hash=H256>, N, RA>(
+pub fn run_grandpa_voter<B, E, Block: BlockT<Hash=H256>, N, RA>(
 	config: Config,
 	link: LinkHalf<B, E, Block, RA>,
 	network: N,
@@ -656,3 +658,24 @@ pub fn run_grandpa<B, E, Block: BlockT<Hash=H256>, N, RA>(
 
 	Ok(voter_work.select(on_exit).then(|_| Ok(())))
 }
+
+#[deprecated(since = "1.1", note = "Please switch to run_grandpa_voter.")]
+pub fn run_grandpa<B, E, Block: BlockT<Hash=H256>, N, RA>(
+	config: Config,
+	link: LinkHalf<B, E, Block, RA>,
+	network: N,
+	inherent_data_providers: InherentDataProviders,
+	on_exit: impl Future<Item=(),Error=()> + Clone + Send + 'static,
+) -> ::client::error::Result<impl Future<Item=(),Error=()> + Send + 'static> where
+	Block::Hash: Ord,
+	B: Backend<Block, Blake2Hasher> + 'static,
+	E: CallExecutor<Block, Blake2Hasher> + Send + Sync + 'static,
+	N: Network<Block> + Send + Sync + 'static,
+	N::In: Send + 'static,
+	NumberFor<Block>: BlockNumberOps,
+	DigestFor<Block>: Encode,
+	DigestItemFor<Block>: DigestItem<AuthorityId=AuthorityId>,
+	RA: Send + Sync + 'static,
+{
+	run_grandpa_voter(config, link, network, inherent_data_providers, on_exit)
+}
diff --git a/substrate/core/finality-grandpa/src/observer.rs b/substrate/core/finality-grandpa/src/observer.rs
new file mode 100644
index 0000000000..74b5076dae
--- /dev/null
+++ b/substrate/core/finality-grandpa/src/observer.rs
@@ -0,0 +1,281 @@
+// Copyright 2018-2019 Parity Technologies (UK) Ltd.
+// This file is part of Substrate.
+
+// Substrate is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+
+// Substrate is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+
+// You should have received a copy of the GNU General Public License
+// along with Substrate.  If not, see <http://www.gnu.org/licenses/>.
+
+use std::sync::Arc;
+
+use futures::prelude::*;
+use futures::future::{self, Loop as FutureLoop};
+
+use grandpa::{
+	BlockNumberOps, Error as GrandpaError, round::State as RoundState, voter, voter_set::VoterSet
+};
+use log::{debug, info, warn};
+
+use client::{CallExecutor, Client, backend::Backend};
+use ed25519::Public as AuthorityId;
+use runtime_primitives::traits::{NumberFor, Block as BlockT, DigestItemFor, DigestItem};
+use substrate_primitives::{ed25519, H256, Blake2Hasher};
+
+use crate::{
+	AuthoritySignature, global_communication, CommandOrError, Config, environment,
+	Error, LinkHalf, Network, aux_schema::PersistentData, VoterCommand, VoterSetState,
+};
+use crate::authorities::SharedAuthoritySet;
+use crate::communication::NetworkBridge;
+use crate::consensus_changes::SharedConsensusChanges;
+use crate::environment::{CompletedRound, CompletedRounds, HasVoted};
+
+struct ObserverChain<'a, Block: BlockT, B, E, RA>(&'a Client<B, E, Block, RA>);
+
+impl<'a, Block: BlockT<Hash=H256>, B, E, RA> grandpa::Chain<Block::Hash, NumberFor<Block>>
+	for ObserverChain<'a, Block, B, E, RA> where
+		B: Backend<Block, Blake2Hasher>,
+		E: CallExecutor<Block, Blake2Hasher>,
+		NumberFor<Block>: BlockNumberOps,
+{
+	fn ancestry(&self, base: Block::Hash, block: Block::Hash) -> Result<Vec<Block::Hash>, GrandpaError> {
+		environment::ancestry(&self.0, base, block)
+	}
+
+	fn best_chain_containing(&self, _block: Block::Hash) -> Option<(Block::Hash, NumberFor<Block>)> {
+		// only used by voter
+		None
+	}
+}
+
+fn grandpa_observer<B, E, Block: BlockT<Hash=H256>, RA, S>(
+	client: &Arc<Client<B, E, Block, RA>>,
+	authority_set: &SharedAuthoritySet<Block::Hash, NumberFor<Block>>,
+	consensus_changes: &SharedConsensusChanges<Block::Hash, NumberFor<Block>>,
+	voters: &Arc<VoterSet<AuthorityId>>,
+	last_finalized_number: NumberFor<Block>,
+	commits: S,
+) -> impl Future<Item=(), Error=CommandOrError<H256, NumberFor<Block>>> where
+	NumberFor<Block>: BlockNumberOps,
+	B: Backend<Block, Blake2Hasher>,
+	E: CallExecutor<Block, Blake2Hasher> + Send + Sync,
+	RA: Send + Sync,
+	S: Stream<
+		Item = voter::CommunicationIn<H256, NumberFor<Block>, AuthoritySignature, AuthorityId>,
+		Error = CommandOrError<Block::Hash, NumberFor<Block>>,
+	>,
+{
+	let authority_set = authority_set.clone();
+	let consensus_changes = consensus_changes.clone();
+	let client = client.clone();
+	let voters = voters.clone();
+
+	let observer = commits.fold(last_finalized_number, move |last_finalized_number, global| {
+		let (round, commit, callback) = match global {
+			voter::CommunicationIn::Commit(round, commit, callback) => {
+				let commit = grandpa::Commit::from(commit);
+				(round, commit, callback)
+			},
+			voter::CommunicationIn::Auxiliary(_) => {
+				// ignore aux messages
+				return future::ok(last_finalized_number);
+			},
+		};
+
+		// if the commit we've received targets a block lower than the last
+		// finalized, ignore it and continue with the current state
+		if commit.target_number < last_finalized_number {
+			return future::ok(last_finalized_number);
+		}
+
+		let validation_result = match grandpa::validate_commit(
+			&commit,
+			&voters,
+			&ObserverChain(&*client),
+		) {
+			Ok(r) => r,
+			Err(e) => return future::err(e.into()),
+		};
+
+		if let Some(_) = validation_result.ghost() {
+			let finalized_hash = commit.target_hash;
+			let finalized_number = commit.target_number;
+
+			// commit is valid, finalize the block it targets
+			match environment::finalize_block(
+				&client,
+				&authority_set,
+				&consensus_changes,
+				None,
+				finalized_hash,
+				finalized_number,
+				(round, commit).into(),
+			) {
+				Ok(_) => {},
+				Err(e) => return future::err(e),
+			};
+
+			grandpa::process_commit_validation_result(validation_result, callback);
+
+			// proceed processing with new finalized block number
+			future::ok(finalized_number)
+		} else {
+			debug!(target: "afg", "Received invalid commit: ({:?}, {:?})", round, commit);
+
+			grandpa::process_commit_validation_result(validation_result, callback);
+
+			// commit is invalid, continue processing commits with the current state
+			future::ok(last_finalized_number)
+		}
+	});
+
+	observer.map(|_| ())
+}
+
+/// Run a GRANDPA observer as a task, the observer will finalize blocks only by
+/// listening for and validating GRANDPA commits instead of following the full
+/// protocol. Provide configuration and a link to a block import worker that has
+/// already been instantiated with `block_import`.
+pub fn run_grandpa_observer<B, E, Block: BlockT<Hash=H256>, N, RA>(
+	config: Config,
+	link: LinkHalf<B, E, Block, RA>,
+	network: N,
+	on_exit: impl Future<Item=(),Error=()> + Clone + Send + 'static,
+) -> ::client::error::Result<impl Future<Item=(),Error=()> + Send + 'static> where
+	B: Backend<Block, Blake2Hasher> + 'static,
+	E: CallExecutor<Block, Blake2Hasher> + Send + Sync + 'static,
+	N: Network<Block> + Send + Sync + 'static,
+	N::In: Send + 'static,
+	NumberFor<Block>: BlockNumberOps,
+	DigestItemFor<Block>: DigestItem<AuthorityId=AuthorityId>,
+	RA: Send + Sync + 'static,
+{
+	let LinkHalf {
+		client,
+		persistent_data,
+		voter_commands_rx,
+	} = link;
+
+	let PersistentData { authority_set, consensus_changes, set_state } = persistent_data;
+	let initial_state = (authority_set, consensus_changes, set_state, voter_commands_rx.into_future());
+
+	let (network, network_startup) = NetworkBridge::new(network, config.clone(), on_exit.clone());
+
+	let observer_work = future::loop_fn(initial_state, move |state| {
+		let (authority_set, consensus_changes, set_state, voter_commands_rx) = state;
+		let set_id = authority_set.set_id();
+		let voters = Arc::new(authority_set.current_authorities());
+		let client = client.clone();
+
+		// start global communication stream for the current set
+		let (global_in, _) = global_communication(
+			None,
+			set_id,
+			&voters,
+			&client,
+			&network,
+		);
+
+		let chain_info = match client.info() {
+			Ok(i) => i,
+			Err(e) => return future::Either::B(future::err(Error::Client(e))),
+		};
+
+		let last_finalized_number = chain_info.chain.finalized_number;
+
+		// create observer for the current set
+		let observer = grandpa_observer(
+			&client,
+			&authority_set,
+			&consensus_changes,
+			&voters,
+			last_finalized_number,
+			global_in,
+		);
+
+		let handle_voter_command = move |command, voter_commands_rx| {
+			// the observer doesn't use the voter set state, but we need to
+			// update it on-disk in case we restart as validator in the future.
+			let set_state = match command {
+				VoterCommand::Pause(reason) => {
+					info!(target: "afg", "Pausing old validator set: {}", reason);
+
+					let completed_rounds = set_state.read().completed_rounds();
+					let set_state = VoterSetState::Paused { completed_rounds };
+
+					crate::aux_schema::write_voter_set_state(&**client.backend(), &set_state)?;
+
+					set_state
+				},
+				VoterCommand::ChangeAuthorities(new) => {
+					// start the new authority set using the block where the
+					// set changed (not where the signal happened!) as the base.
+					let genesis_state = RoundState::genesis((new.canon_hash, new.canon_number));
+
+					let set_state = VoterSetState::Live::<Block> {
+						// always start at round 0 when changing sets.
+						completed_rounds: CompletedRounds::new(CompletedRound {
+							number: 0,
+							state: genesis_state,
+							base: (new.canon_hash, new.canon_number),
+							votes: Vec::new(),
+						}),
+						current_round: HasVoted::No,
+					};
+
+					crate::aux_schema::write_voter_set_state(&**client.backend(), &set_state)?;
+
+					set_state
+				},
+			};
+
+			Ok(FutureLoop::Continue((authority_set, consensus_changes, set_state.into(), voter_commands_rx)))
+		};
+
+		// run observer and listen to commands (switch authorities or pause)
+		future::Either::A(observer.select2(voter_commands_rx).then(move |res| match res {
+			Ok(future::Either::A((_, _))) => {
+				// observer commit stream doesn't conclude naturally; this could reasonably be an error.
+				Ok(FutureLoop::Break(()))
+			},
+			Err(future::Either::B(_)) => {
+				// the `voter_commands_rx` stream should not fail.
+				Ok(FutureLoop::Break(()))
+			},
+			Ok(future::Either::B(((None, _), _))) => {
+				// the `voter_commands_rx` stream should never conclude since it's never closed.
+				Ok(FutureLoop::Break(()))
+			},
+			Err(future::Either::A((CommandOrError::Error(e), _))) => {
+				// return inner observer error
+				Err(e)
+			},
+			Ok(future::Either::B(((Some(command), voter_commands_rx), _))) => {
+				// some command issued externally
+				handle_voter_command(command, voter_commands_rx.into_future())
+			},
+			Err(future::Either::A((CommandOrError::VoterCommand(command), voter_commands_rx))) => {
+				// some command issued internally
+				handle_voter_command(command, voter_commands_rx)
+			},
+		}))
+	});
+
+	let observer_work = observer_work
+		.map(|_| ())
+		.map_err(|e| {
+			warn!("GRANDPA Observer failed: {:?}", e);
+		});
+
+	let observer_work = network_startup.and_then(move |()| observer_work);
+
+	Ok(observer_work.select(on_exit).map(|_| ()).map_err(|_| ()))
+}
diff --git a/substrate/core/finality-grandpa/src/tests.rs b/substrate/core/finality-grandpa/src/tests.rs
index 55c0d57f3a..1d8279e995 100644
--- a/substrate/core/finality-grandpa/src/tests.rs
+++ b/substrate/core/finality-grandpa/src/tests.rs
@@ -371,19 +371,25 @@ fn make_ids(keys: &[AuthorityKeyring]) -> Vec<(AuthorityId, u64)> {
 
 // run the voters to completion. provide a closure to be invoked after
 // the voters are spawned but before blocking on them.
-fn run_to_completion_with<F: FnOnce()>(
+fn run_to_completion_with<F>(
 	blocks: u64,
 	net: Arc<Mutex<GrandpaTestNet>>,
 	peers: &[AuthorityKeyring],
-	before_waiting: F,
-) -> u64 {
+	with: F,
+) -> u64 where
+	F: FnOnce(current_thread::Handle) -> Option<Box<Future<Item=(),Error=()>>>
+{
 	use parking_lot::RwLock;
 
-	let mut finality_notifications = Vec::new();
+	let mut wait_for = Vec::new();
 	let mut runtime = current_thread::Runtime::new().unwrap();
 
 	let highest_finalized = Arc::new(RwLock::new(0));
 
+	if let Some(f) = (with)(runtime.handle()) {
+		wait_for.push(f);
+	};
+
 	for (peer_id, key) in peers.iter().enumerate() {
 		let highest_finalized = highest_finalized.clone();
 		let (client, link) = {
@@ -395,20 +401,25 @@ fn run_to_completion_with<F: FnOnce()>(
 				link,
 			)
 		};
-		finality_notifications.push(
-			client.finality_notification_stream()
-				.take_while(move |n| {
-					let mut highest_finalized = highest_finalized.write();
-					if *n.header.number() > *highest_finalized {
-						*highest_finalized = *n.header.number();
-					}
-					Ok(n.header.number() < &blocks)
-				})
-				.for_each(|_| Ok(()))
+
+		wait_for.push(
+			Box::new(
+				client.finality_notification_stream()
+					.take_while(move |n| {
+						let mut highest_finalized = highest_finalized.write();
+						if *n.header.number() > *highest_finalized {
+							*highest_finalized = *n.header.number();
+						}
+						Ok(n.header.number() < &blocks)
+					})
+					.collect()
+					.map(|_| ())
+			)
 		);
+
 		fn assert_send<T: Send>(_: &T) { }
 
-		let voter = run_grandpa(
+		let voter = run_grandpa_voter(
 			Config {
 				gossip_duration: TEST_GOSSIP_DURATION,
 				justification_period: 32,
@@ -427,7 +438,7 @@ fn run_to_completion_with<F: FnOnce()>(
 	}
 
 	// wait for all finalized on each.
-	let wait_for = ::futures::future::join_all(finality_notifications)
+	let wait_for = ::futures::future::join_all(wait_for)
 		.map(|_| ())
 		.map_err(|_| ());
 
@@ -441,17 +452,14 @@ fn run_to_completion_with<F: FnOnce()>(
 		.map(|_| ())
 		.map_err(|_| ());
 
-	(before_waiting)();
-
 	runtime.block_on(wait_for.select(drive_to_completion).map_err(|_| ())).unwrap();
 
 	let highest_finalized = *highest_finalized.read();
-
 	highest_finalized
 }
 
 fn run_to_completion(blocks: u64, net: Arc<Mutex<GrandpaTestNet>>, peers: &[AuthorityKeyring]) -> u64 {
-	run_to_completion_with(blocks, net, peers, || {})
+	run_to_completion_with(blocks, net, peers, |_| None)
 }
 
 #[test]
@@ -478,7 +486,7 @@ fn finalize_3_voters_no_observers() {
 }
 
 #[test]
-fn finalize_3_voters_1_observer() {
+fn finalize_3_voters_1_full_observer() {
 	let peers = &[AuthorityKeyring::Alice, AuthorityKeyring::Bob, AuthorityKeyring::Charlie];
 	let voters = make_ids(peers);
 
@@ -509,7 +517,7 @@ fn finalize_3_voters_1_observer() {
 				.take_while(|n| Ok(n.header.number() < &20))
 				.for_each(move |_| Ok(()))
 		);
-		let voter = run_grandpa(
+		let voter = run_grandpa_voter(
 			Config {
 				gossip_duration: TEST_GOSSIP_DURATION,
 				justification_period: 32,
@@ -539,7 +547,7 @@ fn finalize_3_voters_1_observer() {
 }
 
 #[test]
-fn transition_3_voters_twice_1_observer() {
+fn transition_3_voters_twice_1_full_observer() {
 	let _ = env_logger::try_init();
 	let peers_a = &[
 		AuthorityKeyring::Alice,
@@ -671,7 +679,7 @@ fn transition_3_voters_twice_1_observer() {
 					assert_eq!(set.pending_changes().count(), 0);
 				})
 		);
-		let voter = run_grandpa(
+		let voter = run_grandpa_voter(
 			Config {
 				gossip_duration: TEST_GOSSIP_DURATION,
 				justification_period: 32,
@@ -906,7 +914,7 @@ fn force_change_to_new_set() {
 	let net = Arc::new(Mutex::new(net));
 
 	let runner_net = net.clone();
-	let add_blocks = move || {
+	let add_blocks = move |_| {
 		net.lock().peer(0).push_blocks(1, false);
 
 		{
@@ -938,6 +946,8 @@ fn force_change_to_new_set() {
 			assert_eq!(set.current(), (1, voters.as_slice()));
 			assert_eq!(set.pending_changes().count(), 0);
 		}
+
+		None
 	};
 
 	// it will only finalize if the forced transition happens.
@@ -1071,7 +1081,7 @@ fn voter_persists_its_votes() {
 			let (_block_import, _, link) = net.lock().make_block_import(client.clone());
 			let link = link.lock().take().unwrap();
 
-			let mut voter = run_grandpa(
+			let mut voter = run_grandpa_voter(
 				Config {
 					gossip_duration: TEST_GOSSIP_DURATION,
 					justification_period: 32,
@@ -1225,3 +1235,44 @@ fn voter_persists_its_votes() {
 
 	runtime.block_on(drive_to_completion.select(exit).map(|_| ()).map_err(|_| ())).unwrap();
 }
+
+#[test]
+fn finalize_3_voters_1_light_observer() {
+	let _ = env_logger::try_init();
+	let authorities = &[AuthorityKeyring::Alice, AuthorityKeyring::Bob, AuthorityKeyring::Charlie];
+	let voters = make_ids(authorities);
+
+	let mut net = GrandpaTestNet::new(TestApi::new(voters), 4);
+	net.peer(0).push_blocks(20, false);
+	net.sync();
+
+	for i in 0..4 {
+		assert_eq!(net.peer(i).client().info().unwrap().chain.best_number, 20,
+			"Peer #{} failed to sync", i);
+	}
+
+	let net = Arc::new(Mutex::new(net));
+	let link = net.lock().peer(3).data.lock().take().expect("link initialized on startup; qed");
+
+	let finality_notifications = net.lock().peer(3).client().finality_notification_stream()
+		.take_while(|n| Ok(n.header.number() < &20))
+		.collect();
+
+	run_to_completion_with(20, net.clone(), authorities, |executor| {
+		executor.spawn(
+			run_grandpa_observer(
+				Config {
+					gossip_duration: TEST_GOSSIP_DURATION,
+					justification_period: 32,
+					local_key: None,
+					name: Some("observer".to_string()),
+				},
+				link,
+				MessageRouting::new(net.clone(), 3),
+				Exit,
+			).unwrap()
+		).unwrap();
+
+		Some(Box::new(finality_notifications.map(|_| ())))
+	});
+}
diff --git a/substrate/node/cli/src/service.rs b/substrate/node/cli/src/service.rs
index b9c7ddffee..1366a62987 100644
--- a/substrate/node/cli/src/service.rs
+++ b/substrate/node/cli/src/service.rs
@@ -110,19 +110,33 @@ construct_service_factory! {
 					local_key
 				};
 
-				executor.spawn(grandpa::run_grandpa(
-					grandpa::Config {
-						local_key,
-						// FIXME #1578 make this available through chainspec
-						gossip_duration: Duration::from_millis(333),
-						justification_period: 4096,
-						name: Some(service.config.name.clone())
+				let config = grandpa::Config {
+					local_key,
+					// FIXME #1578 make this available through chainspec
+					gossip_duration: Duration::from_millis(333),
+					justification_period: 4096,
+					name: Some(service.config.name.clone())
+				};
+
+				match config.local_key {
+					None => {
+						executor.spawn(grandpa::run_grandpa_observer(
+							config,
+							link_half,
+							service.network(),
+							service.on_exit(),
+						)?);
 					},
-					link_half,
-					service.network(),
-					service.config.custom.inherent_data_providers.clone(),
-					service.on_exit(),
-				)?);
+					Some(_) => {
+						executor.spawn(grandpa::run_grandpa_voter(
+							config,
+							link_half,
+							service.network(),
+							service.config.custom.inherent_data_providers.clone(),
+							service.on_exit(),
+						)?);
+					},
+				}
 
 				Ok(service)
 			}