From 6c4ac65f5f7c13cb26eebb1a863258ed24155abc Mon Sep 17 00:00:00 2001
From: Gavin Wood <gavin@parity.io>
Date: Sat, 24 Aug 2019 18:58:20 +0200
Subject: [PATCH] Spelling and update (#402)

---
 polkadot/Cargo.lock     | 282 +++++++++++++++++++++++++++++++---------
 polkadot/cli/src/lib.rs |   4 +-
 2 files changed, 221 insertions(+), 65 deletions(-)

diff --git a/polkadot/Cargo.lock b/polkadot/Cargo.lock
index 0855d560a0..e2c6e6315a 100644
--- a/polkadot/Cargo.lock
+++ b/polkadot/Cargo.lock
@@ -447,6 +447,20 @@ name = "constant_time_eq"
 version = "0.1.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
+[[package]]
+name = "core-foundation"
+version = "0.6.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "core-foundation-sys 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.60 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "core-foundation-sys"
+version = "0.6.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
 [[package]]
 name = "crc32fast"
 version = "1.2.0"
@@ -789,10 +803,23 @@ name = "fnv"
 version = "1.0.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
+[[package]]
+name = "foreign-types"
+version = "0.3.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "foreign-types-shared 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "foreign-types-shared"
+version = "0.1.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
 [[package]]
 name = "fork-tree"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#4e1d637bf64e3437fa40f9e9e8460a5a0c0d9324"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#7ab9efff56f7ed613615319afa0ccc5bf2c3877c"
 dependencies = [
  "parity-scale-codec 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -1174,6 +1201,18 @@ dependencies = [
  "want 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "hyper-tls"
+version = "0.3.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "bytes 0.4.12 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures 0.1.28 (registry+https://github.com/rust-lang/crates.io-index)",
+ "hyper 0.12.33 (registry+https://github.com/rust-lang/crates.io-index)",
+ "native-tls 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tokio-io 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "idna"
 version = "0.1.5"
@@ -2093,6 +2132,23 @@ dependencies = [
  "rand 0.3.23 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "native-tls"
+version = "0.2.3"
+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 0.2.60 (registry+https://github.com/rust-lang/crates.io-index)",
+ "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
+ "openssl 0.10.24 (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 0.9.49 (registry+https://github.com/rust-lang/crates.io-index)",
+ "schannel 0.1.15 (registry+https://github.com/rust-lang/crates.io-index)",
+ "security-framework 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "security-framework-sys 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "tempfile 3.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "net2"
 version = "0.2.33"
@@ -2222,6 +2278,36 @@ name = "opaque-debug"
 version = "0.2.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
+[[package]]
+name = "openssl"
+version = "0.10.24"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "bitflags 1.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cfg-if 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)",
+ "foreign-types 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "lazy_static 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.60 (registry+https://github.com/rust-lang/crates.io-index)",
+ "openssl-sys 0.9.49 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "openssl-probe"
+version = "0.1.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+
+[[package]]
+name = "openssl-sys"
+version = "0.9.49"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "autocfg 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "cc 1.0.38 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.60 (registry+https://github.com/rust-lang/crates.io-index)",
+ "pkg-config 0.3.15 (registry+https://github.com/rust-lang/crates.io-index)",
+ "vcpkg 0.2.7 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "owning_ref"
 version = "0.3.3"
@@ -3049,6 +3135,14 @@ name = "regex-syntax"
 version = "0.6.11"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
+[[package]]
+name = "remove_dir_all"
+version = "0.5.2"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "winapi 0.3.7 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "ring"
 version = "0.14.6"
@@ -3149,6 +3243,15 @@ dependencies = [
  "rustc_version 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "schannel"
+version = "0.1.15"
+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)",
+]
+
 [[package]]
 name = "schnorrkel"
 version = "0.8.4"
@@ -3183,6 +3286,25 @@ dependencies = [
  "untrusted 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 
+[[package]]
+name = "security-framework"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "core-foundation 0.6.4 (registry+https://github.com/rust-lang/crates.io-index)",
+ "core-foundation-sys 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.60 (registry+https://github.com/rust-lang/crates.io-index)",
+ "security-framework-sys 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
+[[package]]
+name = "security-framework-sys"
+version = "0.3.1"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "core-foundation-sys 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "semver"
 version = "0.9.0"
@@ -3414,7 +3536,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 [[package]]
 name = "sr-api-macros"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#4e1d637bf64e3437fa40f9e9e8460a5a0c0d9324"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#7ab9efff56f7ed613615319afa0ccc5bf2c3877c"
 dependencies = [
  "blake2-rfc 0.2.18 (registry+https://github.com/rust-lang/crates.io-index)",
  "proc-macro-crate 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -3426,7 +3548,7 @@ dependencies = [
 [[package]]
 name = "sr-io"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#4e1d637bf64e3437fa40f9e9e8460a5a0c0d9324"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#7ab9efff56f7ed613615319afa0ccc5bf2c3877c"
 dependencies = [
  "environmental 1.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "hash-db 0.15.2 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -3443,7 +3565,7 @@ dependencies = [
 [[package]]
 name = "sr-primitives"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#4e1d637bf64e3437fa40f9e9e8460a5a0c0d9324"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#7ab9efff56f7ed613615319afa0ccc5bf2c3877c"
 dependencies = [
  "integer-sqrt 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -3461,7 +3583,7 @@ dependencies = [
 [[package]]
 name = "sr-staking-primitives"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#4e1d637bf64e3437fa40f9e9e8460a5a0c0d9324"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#7ab9efff56f7ed613615319afa0ccc5bf2c3877c"
 dependencies = [
  "parity-scale-codec 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-primitives 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
@@ -3471,7 +3593,7 @@ dependencies = [
 [[package]]
 name = "sr-std"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#4e1d637bf64e3437fa40f9e9e8460a5a0c0d9324"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#7ab9efff56f7ed613615319afa0ccc5bf2c3877c"
 dependencies = [
  "rustc_version 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -3479,7 +3601,7 @@ dependencies = [
 [[package]]
 name = "sr-version"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#4e1d637bf64e3437fa40f9e9e8460a5a0c0d9324"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#7ab9efff56f7ed613615319afa0ccc5bf2c3877c"
 dependencies = [
  "impl-serde 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-scale-codec 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -3491,7 +3613,7 @@ dependencies = [
 [[package]]
 name = "srml-authorship"
 version = "0.1.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#4e1d637bf64e3437fa40f9e9e8460a5a0c0d9324"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#7ab9efff56f7ed613615319afa0ccc5bf2c3877c"
 dependencies = [
  "parity-scale-codec 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-io 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
@@ -3506,7 +3628,7 @@ dependencies = [
 [[package]]
 name = "srml-babe"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#4e1d637bf64e3437fa40f9e9e8460a5a0c0d9324"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#7ab9efff56f7ed613615319afa0ccc5bf2c3877c"
 dependencies = [
  "hex-literal 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-scale-codec 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -3526,7 +3648,7 @@ dependencies = [
 [[package]]
 name = "srml-balances"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#4e1d637bf64e3437fa40f9e9e8460a5a0c0d9324"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#7ab9efff56f7ed613615319afa0ccc5bf2c3877c"
 dependencies = [
  "parity-scale-codec 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "safe-mix 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -3541,7 +3663,7 @@ dependencies = [
 [[package]]
 name = "srml-collective"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#4e1d637bf64e3437fa40f9e9e8460a5a0c0d9324"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#7ab9efff56f7ed613615319afa0ccc5bf2c3877c"
 dependencies = [
  "parity-scale-codec 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "safe-mix 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -3557,7 +3679,7 @@ dependencies = [
 [[package]]
 name = "srml-democracy"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#4e1d637bf64e3437fa40f9e9e8460a5a0c0d9324"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#7ab9efff56f7ed613615319afa0ccc5bf2c3877c"
 dependencies = [
  "parity-scale-codec 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "safe-mix 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -3572,7 +3694,7 @@ dependencies = [
 [[package]]
 name = "srml-elections"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#4e1d637bf64e3437fa40f9e9e8460a5a0c0d9324"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#7ab9efff56f7ed613615319afa0ccc5bf2c3877c"
 dependencies = [
  "parity-scale-codec 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "safe-mix 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -3588,7 +3710,7 @@ dependencies = [
 [[package]]
 name = "srml-executive"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#4e1d637bf64e3437fa40f9e9e8460a5a0c0d9324"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#7ab9efff56f7ed613615319afa0ccc5bf2c3877c"
 dependencies = [
  "parity-scale-codec 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde 1.0.98 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -3602,7 +3724,7 @@ dependencies = [
 [[package]]
 name = "srml-finality-tracker"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#4e1d637bf64e3437fa40f9e9e8460a5a0c0d9324"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#7ab9efff56f7ed613615319afa0ccc5bf2c3877c"
 dependencies = [
  "parity-scale-codec 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde 1.0.98 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -3616,7 +3738,7 @@ dependencies = [
 [[package]]
 name = "srml-grandpa"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#4e1d637bf64e3437fa40f9e9e8460a5a0c0d9324"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#7ab9efff56f7ed613615319afa0ccc5bf2c3877c"
 dependencies = [
  "parity-scale-codec 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde 1.0.98 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -3635,7 +3757,7 @@ dependencies = [
 [[package]]
 name = "srml-im-online"
 version = "0.1.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#4e1d637bf64e3437fa40f9e9e8460a5a0c0d9324"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#7ab9efff56f7ed613615319afa0ccc5bf2c3877c"
 dependencies = [
  "parity-scale-codec 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde 1.0.98 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -3653,7 +3775,7 @@ dependencies = [
 [[package]]
 name = "srml-indices"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#4e1d637bf64e3437fa40f9e9e8460a5a0c0d9324"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#7ab9efff56f7ed613615319afa0ccc5bf2c3877c"
 dependencies = [
  "parity-scale-codec 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "safe-mix 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -3670,7 +3792,7 @@ dependencies = [
 [[package]]
 name = "srml-membership"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#4e1d637bf64e3437fa40f9e9e8460a5a0c0d9324"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#7ab9efff56f7ed613615319afa0ccc5bf2c3877c"
 dependencies = [
  "parity-scale-codec 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde 1.0.98 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -3684,7 +3806,7 @@ dependencies = [
 [[package]]
 name = "srml-metadata"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#4e1d637bf64e3437fa40f9e9e8460a5a0c0d9324"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#7ab9efff56f7ed613615319afa0ccc5bf2c3877c"
 dependencies = [
  "parity-scale-codec 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde 1.0.98 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -3695,7 +3817,7 @@ dependencies = [
 [[package]]
 name = "srml-offences"
 version = "1.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#4e1d637bf64e3437fa40f9e9e8460a5a0c0d9324"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#7ab9efff56f7ed613615319afa0ccc5bf2c3877c"
 dependencies = [
  "parity-scale-codec 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde 1.0.98 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -3710,7 +3832,7 @@ dependencies = [
 [[package]]
 name = "srml-session"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#4e1d637bf64e3437fa40f9e9e8460a5a0c0d9324"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#7ab9efff56f7ed613615319afa0ccc5bf2c3877c"
 dependencies = [
  "parity-scale-codec 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "safe-mix 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -3728,7 +3850,7 @@ dependencies = [
 [[package]]
 name = "srml-staking"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#4e1d637bf64e3437fa40f9e9e8460a5a0c0d9324"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#7ab9efff56f7ed613615319afa0ccc5bf2c3877c"
 dependencies = [
  "parity-scale-codec 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "safe-mix 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -3747,7 +3869,7 @@ dependencies = [
 [[package]]
 name = "srml-sudo"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#4e1d637bf64e3437fa40f9e9e8460a5a0c0d9324"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#7ab9efff56f7ed613615319afa0ccc5bf2c3877c"
 dependencies = [
  "parity-scale-codec 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde 1.0.98 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -3762,7 +3884,7 @@ dependencies = [
 [[package]]
 name = "srml-support"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#4e1d637bf64e3437fa40f9e9e8460a5a0c0d9324"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#7ab9efff56f7ed613615319afa0ccc5bf2c3877c"
 dependencies = [
  "bitmask 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "once_cell 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -3781,7 +3903,7 @@ dependencies = [
 [[package]]
 name = "srml-support-procedural"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#4e1d637bf64e3437fa40f9e9e8460a5a0c0d9324"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#7ab9efff56f7ed613615319afa0ccc5bf2c3877c"
 dependencies = [
  "proc-macro2 0.4.30 (registry+https://github.com/rust-lang/crates.io-index)",
  "quote 0.6.13 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -3793,7 +3915,7 @@ dependencies = [
 [[package]]
 name = "srml-support-procedural-tools"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#4e1d637bf64e3437fa40f9e9e8460a5a0c0d9324"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#7ab9efff56f7ed613615319afa0ccc5bf2c3877c"
 dependencies = [
  "proc-macro-crate 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "proc-macro2 0.4.30 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -3805,7 +3927,7 @@ dependencies = [
 [[package]]
 name = "srml-support-procedural-tools-derive"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#4e1d637bf64e3437fa40f9e9e8460a5a0c0d9324"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#7ab9efff56f7ed613615319afa0ccc5bf2c3877c"
 dependencies = [
  "proc-macro2 0.4.30 (registry+https://github.com/rust-lang/crates.io-index)",
  "quote 0.6.13 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -3815,7 +3937,7 @@ dependencies = [
 [[package]]
 name = "srml-system"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#4e1d637bf64e3437fa40f9e9e8460a5a0c0d9324"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#7ab9efff56f7ed613615319afa0ccc5bf2c3877c"
 dependencies = [
  "parity-scale-codec 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "safe-mix 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -3831,7 +3953,7 @@ dependencies = [
 [[package]]
 name = "srml-timestamp"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#4e1d637bf64e3437fa40f9e9e8460a5a0c0d9324"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#7ab9efff56f7ed613615319afa0ccc5bf2c3877c"
 dependencies = [
  "parity-scale-codec 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde 1.0.98 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -3845,7 +3967,7 @@ dependencies = [
 [[package]]
 name = "srml-treasury"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#4e1d637bf64e3437fa40f9e9e8460a5a0c0d9324"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#7ab9efff56f7ed613615319afa0ccc5bf2c3877c"
 dependencies = [
  "parity-scale-codec 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde 1.0.98 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -3931,7 +4053,7 @@ dependencies = [
 [[package]]
 name = "substrate-application-crypto"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#4e1d637bf64e3437fa40f9e9e8460a5a0c0d9324"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#7ab9efff56f7ed613615319afa0ccc5bf2c3877c"
 dependencies = [
  "parity-scale-codec 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde 1.0.98 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -3954,7 +4076,7 @@ dependencies = [
 [[package]]
 name = "substrate-cli"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#4e1d637bf64e3437fa40f9e9e8460a5a0c0d9324"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#7ab9efff56f7ed613615319afa0ccc5bf2c3877c"
 dependencies = [
  "ansi_term 0.11.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "app_dirs 1.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -3989,7 +4111,7 @@ dependencies = [
 [[package]]
 name = "substrate-client"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#4e1d637bf64e3437fa40f9e9e8460a5a0c0d9324"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#7ab9efff56f7ed613615319afa0ccc5bf2c3877c"
 dependencies = [
  "derive_more 0.14.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "fnv 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -4017,7 +4139,7 @@ dependencies = [
 [[package]]
 name = "substrate-client-db"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#4e1d637bf64e3437fa40f9e9e8460a5a0c0d9324"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#7ab9efff56f7ed613615319afa0ccc5bf2c3877c"
 dependencies = [
  "hash-db 0.15.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "kvdb 0.1.0 (git+https://github.com/paritytech/parity-common?rev=b0317f649ab2c665b7987b8475878fc4d2e1f81d)",
@@ -4040,7 +4162,7 @@ dependencies = [
 [[package]]
 name = "substrate-consensus-babe"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#4e1d637bf64e3437fa40f9e9e8460a5a0c0d9324"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#7ab9efff56f7ed613615319afa0ccc5bf2c3877c"
 dependencies = [
  "fork-tree 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
  "futures 0.1.28 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -4075,7 +4197,7 @@ dependencies = [
 [[package]]
 name = "substrate-consensus-babe-primitives"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#4e1d637bf64e3437fa40f9e9e8460a5a0c0d9324"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#7ab9efff56f7ed613615319afa0ccc5bf2c3877c"
 dependencies = [
  "parity-scale-codec 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "schnorrkel 0.8.4 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -4089,7 +4211,7 @@ dependencies = [
 [[package]]
 name = "substrate-consensus-common"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#4e1d637bf64e3437fa40f9e9e8460a5a0c0d9324"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#7ab9efff56f7ed613615319afa0ccc5bf2c3877c"
 dependencies = [
  "derive_more 0.14.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures-preview 0.3.0-alpha.17 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -4108,7 +4230,7 @@ dependencies = [
 [[package]]
 name = "substrate-consensus-slots"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#4e1d637bf64e3437fa40f9e9e8460a5a0c0d9324"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#7ab9efff56f7ed613615319afa0ccc5bf2c3877c"
 dependencies = [
  "futures-preview 0.3.0-alpha.17 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures-timer 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -4126,7 +4248,7 @@ dependencies = [
 [[package]]
 name = "substrate-consensus-uncles"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#4e1d637bf64e3437fa40f9e9e8460a5a0c0d9324"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#7ab9efff56f7ed613615319afa0ccc5bf2c3877c"
 dependencies = [
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-primitives 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
@@ -4140,7 +4262,7 @@ dependencies = [
 [[package]]
 name = "substrate-executor"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#4e1d637bf64e3437fa40f9e9e8460a5a0c0d9324"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#7ab9efff56f7ed613615319afa0ccc5bf2c3877c"
 dependencies = [
  "byteorder 1.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "derive_more 0.14.1 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -4164,7 +4286,7 @@ dependencies = [
 [[package]]
 name = "substrate-finality-grandpa"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#4e1d637bf64e3437fa40f9e9e8460a5a0c0d9324"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#7ab9efff56f7ed613615319afa0ccc5bf2c3877c"
 dependencies = [
  "finality-grandpa 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "fork-tree 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
@@ -4193,7 +4315,7 @@ dependencies = [
 [[package]]
 name = "substrate-finality-grandpa-primitives"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#4e1d637bf64e3437fa40f9e9e8460a5a0c0d9324"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#7ab9efff56f7ed613615319afa0ccc5bf2c3877c"
 dependencies = [
  "parity-scale-codec 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde 1.0.98 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -4206,7 +4328,7 @@ dependencies = [
 [[package]]
 name = "substrate-inherents"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#4e1d637bf64e3437fa40f9e9e8460a5a0c0d9324"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#7ab9efff56f7ed613615319afa0ccc5bf2c3877c"
 dependencies = [
  "parity-scale-codec 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "parking_lot 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -4217,7 +4339,7 @@ dependencies = [
 [[package]]
 name = "substrate-keyring"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#4e1d637bf64e3437fa40f9e9e8460a5a0c0d9324"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#7ab9efff56f7ed613615319afa0ccc5bf2c3877c"
 dependencies = [
  "lazy_static 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-primitives 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
@@ -4229,7 +4351,7 @@ dependencies = [
 [[package]]
 name = "substrate-keystore"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#4e1d637bf64e3437fa40f9e9e8460a5a0c0d9324"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#7ab9efff56f7ed613615319afa0ccc5bf2c3877c"
 dependencies = [
  "derive_more 0.15.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "hex 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -4244,7 +4366,7 @@ dependencies = [
 [[package]]
 name = "substrate-network"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#4e1d637bf64e3437fa40f9e9e8460a5a0c0d9324"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#7ab9efff56f7ed613615319afa0ccc5bf2c3877c"
 dependencies = [
  "bitflags 1.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "bytes 0.4.12 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -4285,12 +4407,19 @@ dependencies = [
 [[package]]
 name = "substrate-offchain"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#4e1d637bf64e3437fa40f9e9e8460a5a0c0d9324"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#7ab9efff56f7ed613615319afa0ccc5bf2c3877c"
 dependencies = [
+ "bytes 0.4.12 (registry+https://github.com/rust-lang/crates.io-index)",
+ "fnv 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures 0.1.28 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures-preview 0.3.0-alpha.17 (registry+https://github.com/rust-lang/crates.io-index)",
+ "futures-timer 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
+ "hyper 0.12.33 (registry+https://github.com/rust-lang/crates.io-index)",
+ "hyper-tls 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-scale-codec 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "parking_lot 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rand 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-primitives 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
  "substrate-client 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
  "substrate-keystore 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
@@ -4303,7 +4432,7 @@ dependencies = [
 [[package]]
 name = "substrate-offchain-primitives"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#4e1d637bf64e3437fa40f9e9e8460a5a0c0d9324"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#7ab9efff56f7ed613615319afa0ccc5bf2c3877c"
 dependencies = [
  "sr-primitives 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
  "substrate-client 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
@@ -4312,7 +4441,7 @@ dependencies = [
 [[package]]
 name = "substrate-panic-handler"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#4e1d637bf64e3437fa40f9e9e8460a5a0c0d9324"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#7ab9efff56f7ed613615319afa0ccc5bf2c3877c"
 dependencies = [
  "backtrace 0.3.34 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -4321,7 +4450,7 @@ dependencies = [
 [[package]]
 name = "substrate-peerset"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#4e1d637bf64e3437fa40f9e9e8460a5a0c0d9324"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#7ab9efff56f7ed613615319afa0ccc5bf2c3877c"
 dependencies = [
  "futures-preview 0.3.0-alpha.17 (registry+https://github.com/rust-lang/crates.io-index)",
  "libp2p 0.12.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -4334,7 +4463,7 @@ dependencies = [
 [[package]]
 name = "substrate-primitives"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#4e1d637bf64e3437fa40f9e9e8460a5a0c0d9324"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#7ab9efff56f7ed613615319afa0ccc5bf2c3877c"
 dependencies = [
  "base58 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "blake2-rfc 0.2.18 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -4366,7 +4495,7 @@ dependencies = [
 [[package]]
 name = "substrate-rpc"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#4e1d637bf64e3437fa40f9e9e8460a5a0c0d9324"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#7ab9efff56f7ed613615319afa0ccc5bf2c3877c"
 dependencies = [
  "derive_more 0.14.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures 0.1.28 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -4395,7 +4524,7 @@ dependencies = [
 [[package]]
 name = "substrate-rpc-servers"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#4e1d637bf64e3437fa40f9e9e8460a5a0c0d9324"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#7ab9efff56f7ed613615319afa0ccc5bf2c3877c"
 dependencies = [
  "jsonrpc-core 13.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "jsonrpc-http-server 13.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -4409,7 +4538,7 @@ dependencies = [
 [[package]]
 name = "substrate-serializer"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#4e1d637bf64e3437fa40f9e9e8460a5a0c0d9324"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#7ab9efff56f7ed613615319afa0ccc5bf2c3877c"
 dependencies = [
  "serde 1.0.98 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_json 1.0.40 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -4418,7 +4547,7 @@ dependencies = [
 [[package]]
 name = "substrate-service"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#4e1d637bf64e3437fa40f9e9e8460a5a0c0d9324"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#7ab9efff56f7ed613615319afa0ccc5bf2c3877c"
 dependencies = [
  "derive_more 0.14.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "exit-future 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -4457,7 +4586,7 @@ dependencies = [
 [[package]]
 name = "substrate-session"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#4e1d637bf64e3437fa40f9e9e8460a5a0c0d9324"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#7ab9efff56f7ed613615319afa0ccc5bf2c3877c"
 dependencies = [
  "sr-primitives 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
  "sr-std 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
@@ -4468,7 +4597,7 @@ dependencies = [
 [[package]]
 name = "substrate-state-db"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#4e1d637bf64e3437fa40f9e9e8460a5a0c0d9324"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#7ab9efff56f7ed613615319afa0ccc5bf2c3877c"
 dependencies = [
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-scale-codec 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -4479,7 +4608,7 @@ dependencies = [
 [[package]]
 name = "substrate-state-machine"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#4e1d637bf64e3437fa40f9e9e8460a5a0c0d9324"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#7ab9efff56f7ed613615319afa0ccc5bf2c3877c"
 dependencies = [
  "hash-db 0.15.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -4496,7 +4625,7 @@ dependencies = [
 [[package]]
 name = "substrate-telemetry"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#4e1d637bf64e3437fa40f9e9e8460a5a0c0d9324"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#7ab9efff56f7ed613615319afa0ccc5bf2c3877c"
 dependencies = [
  "bytes 0.4.12 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures 0.1.28 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -4518,7 +4647,7 @@ dependencies = [
 [[package]]
 name = "substrate-transaction-graph"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#4e1d637bf64e3437fa40f9e9e8460a5a0c0d9324"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#7ab9efff56f7ed613615319afa0ccc5bf2c3877c"
 dependencies = [
  "derive_more 0.14.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures-preview 0.3.0-alpha.17 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -4532,7 +4661,7 @@ dependencies = [
 [[package]]
 name = "substrate-transaction-pool"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#4e1d637bf64e3437fa40f9e9e8460a5a0c0d9324"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#7ab9efff56f7ed613615319afa0ccc5bf2c3877c"
 dependencies = [
  "derive_more 0.14.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -4547,7 +4676,7 @@ dependencies = [
 [[package]]
 name = "substrate-trie"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#4e1d637bf64e3437fa40f9e9e8460a5a0c0d9324"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#7ab9efff56f7ed613615319afa0ccc5bf2c3877c"
 dependencies = [
  "hash-db 0.15.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "memory-db 0.15.2 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -4616,6 +4745,19 @@ name = "target_info"
 version = "0.1.0"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 
+[[package]]
+name = "tempfile"
+version = "3.1.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+dependencies = [
+ "cfg-if 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)",
+ "libc 0.2.60 (registry+https://github.com/rust-lang/crates.io-index)",
+ "rand 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "redox_syscall 0.1.56 (registry+https://github.com/rust-lang/crates.io-index)",
+ "remove_dir_all 0.5.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "winapi 0.3.7 (registry+https://github.com/rust-lang/crates.io-index)",
+]
+
 [[package]]
 name = "termcolor"
 version = "1.0.5"
@@ -5393,6 +5535,8 @@ dependencies = [
 "checksum const-random 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)" = "7b641a8c9867e341f3295564203b1c250eb8ce6cb6126e007941f78c4d2ed7fe"
 "checksum const-random-macro 0.1.6 (registry+https://github.com/rust-lang/crates.io-index)" = "c750ec12b83377637110d5a57f5ae08e895b06c4b16e2bdbf1a94ef717428c59"
 "checksum constant_time_eq 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)" = "8ff012e225ce166d4422e0e78419d901719760f62ae2b7969ca6b564d1b54a9e"
+"checksum core-foundation 0.6.4 (registry+https://github.com/rust-lang/crates.io-index)" = "25b9e03f145fd4f2bf705e07b900cd41fc636598fe5dc452fd0db1441c3f496d"
+"checksum core-foundation-sys 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)" = "e7ca8a5221364ef15ce201e8ed2f609fc312682a8f4e0e3d4aa5879764e0fa3b"
 "checksum crc32fast 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "ba125de2af0df55319f41944744ad91c71113bf74a4646efff39afe1f6842db1"
 "checksum crossbeam-channel 0.3.9 (registry+https://github.com/rust-lang/crates.io-index)" = "c8ec7fcd21571dc78f96cc96243cab8d8f035247c3efd16c687be154c3fa9efa"
 "checksum crossbeam-deque 0.6.3 (registry+https://github.com/rust-lang/crates.io-index)" = "05e44b8cf3e1a625844d1750e1f7820da46044ff6d28f4d43e455ba3e5bb2c13"
@@ -5432,6 +5576,8 @@ dependencies = [
 "checksum fixed-hash 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "516877b7b9a1cc2d0293cbce23cd6203f0edbfd4090e6ca4489fecb5aa73050e"
 "checksum flate2 1.0.9 (registry+https://github.com/rust-lang/crates.io-index)" = "550934ad4808d5d39365e5d61727309bf18b3b02c6c56b729cb92e7dd84bc3d8"
 "checksum fnv 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)" = "2fad85553e09a6f881f739c29f0b00b0f01357c743266d478b68951ce23285f3"
+"checksum foreign-types 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)" = "f6f339eb8adc052cd2ca78910fda869aefa38d22d5cb648e6485e4d3fc06f3b1"
+"checksum foreign-types-shared 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "00b0228411908ca8685dba7fc2cdd70ec9990a6e753e89b6ac91a84c40fbaf4b"
 "checksum fork-tree 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)" = "<none>"
 "checksum fs-swap 0.2.4 (registry+https://github.com/rust-lang/crates.io-index)" = "921d332c89b3b61a826de38c61ee5b6e02c56806cade1b0e5d81bd71f57a71bb"
 "checksum fuchsia-cprng 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "a06f77d526c1a601b7c4cdd98f54b5eaabffc14d5f2f0296febdc7f357c6d3ba"
@@ -5474,6 +5620,7 @@ dependencies = [
 "checksum httparse 1.3.4 (registry+https://github.com/rust-lang/crates.io-index)" = "cd179ae861f0c2e53da70d892f5f3029f9594be0c41dc5269cd371691b1dc2f9"
 "checksum humantime 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "3ca7e5f2e110db35f93b837c81797f3714500b81d517bf20c431b16d3ca4f114"
 "checksum hyper 0.12.33 (registry+https://github.com/rust-lang/crates.io-index)" = "7cb44cbce9d8ee4fb36e4c0ad7b794ac44ebaad924b9c8291a63215bb44c2c8f"
+"checksum hyper-tls 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)" = "3a800d6aa50af4b5850b2b0f659625ce9504df908e9733b635720483be26174f"
 "checksum idna 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)" = "38f09e0f0b1fb55fdee1f17470ad800da77af5186a1a76c026b679358b7e844e"
 "checksum impl-codec 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "78c441b3d2b5e24b407161e76d482b7bbd29b5da357707839ac40d95152f031f"
 "checksum impl-serde 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "5158079de9d4158e0ce1de3ae0bd7be03904efc40b3d7dd8b8c301cbf6b52b56"
@@ -5554,6 +5701,7 @@ dependencies = [
 "checksum miow 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "8c1f2f3b1cf331de6896aabf6e9d55dca90356cc9960cca7eaaf408a355ae919"
 "checksum multistream-select 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)" = "e8f3cb4c93f2d79811fc11fa01faab99d8b7b8cbe024b602c27434ff2b08a59d"
 "checksum names 0.11.0 (registry+https://github.com/rust-lang/crates.io-index)" = "ef320dab323286b50fb5cdda23f61c796a72a89998ab565ca32525c5c556f2da"
+"checksum native-tls 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)" = "4b2df1a4c22fd44a62147fd8f13dd0f95c9d8ca7b2610299b2a2f9cf8964274e"
 "checksum net2 0.2.33 (registry+https://github.com/rust-lang/crates.io-index)" = "42550d9fb7b6684a6d404d9fa7250c2eb2646df731d1c06afc06dcee9e1bcf88"
 "checksum nix 0.10.0 (registry+https://github.com/rust-lang/crates.io-index)" = "b7fd5681d13fda646462cfbd4e5f2051279a89a544d50eb98c365b507246839f"
 "checksum nix 0.14.1 (registry+https://github.com/rust-lang/crates.io-index)" = "6c722bee1037d430d0f8e687bbdbf222f27cc6e4e68d5caf630857bb2b6dbdce"
@@ -5569,6 +5717,9 @@ dependencies = [
 "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 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)" = "2839e79665f131bdb5782e51f2c6c9599c133c6098982a54c794358bf432529c"
+"checksum openssl 0.10.24 (registry+https://github.com/rust-lang/crates.io-index)" = "8152bb5a9b5b721538462336e3bef9a539f892715e5037fda0f984577311af15"
+"checksum openssl-probe 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)" = "77af24da69f9d9341038eba93a073b1fdaaa1b788221b00a69bce9e762cb32de"
+"checksum openssl-sys 0.9.49 (registry+https://github.com/rust-lang/crates.io-index)" = "f4fad9e54bd23bd4cbbe48fdc08a1b8091707ac869ef8508edea2fec77dcc884"
 "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"
 "checksum parity-bytes 0.1.0 (git+https://github.com/paritytech/parity-common?rev=616b40150ded71f57f650067fcbc5c99d7c343e6)" = "<none>"
@@ -5631,6 +5782,7 @@ dependencies = [
 "checksum reed-solomon-erasure 4.0.0 (git+https://github.com/paritytech/reed-solomon-erasure)" = "<none>"
 "checksum regex 1.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "88c3d9193984285d544df4a30c23a4e62ead42edf70a4452ceb76dac1ce05c26"
 "checksum regex-syntax 0.6.11 (registry+https://github.com/rust-lang/crates.io-index)" = "b143cceb2ca5e56d5671988ef8b15615733e7ee16cd348e064333b251b89343f"
+"checksum remove_dir_all 0.5.2 (registry+https://github.com/rust-lang/crates.io-index)" = "4a83fa3702a688b9359eccba92d153ac33fd2e8462f9e0e3fdf155239ea7792e"
 "checksum ring 0.14.6 (registry+https://github.com/rust-lang/crates.io-index)" = "426bc186e3e95cac1e4a4be125a4aca7e84c2d616ffc02244eef36e2a60a093c"
 "checksum rocksdb 0.10.1 (registry+https://github.com/rust-lang/crates.io-index)" = "39be726e556e6f21d54d21cdf1be9f6df30c0411a5856c1abf3f4bb12498f2ed"
 "checksum rocksdb 0.11.0 (registry+https://github.com/rust-lang/crates.io-index)" = "f1651697fefd273bfb4fd69466cc2a9d20de557a0213b97233b22b5e95924b5e"
@@ -5643,10 +5795,13 @@ dependencies = [
 "checksum rw-stream-sink 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)" = "2f9cbe61c20455d3015b2bb7be39e1872310283b8e5a52f5b242b0ac7581fe78"
 "checksum ryu 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "c92464b447c0ee8c4fb3824ecc8383b81717b9f1e74ba2e72540aef7b9f82997"
 "checksum safe-mix 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "7f7bf422d23a88c16d5090d455f182bc99c60af4df6a345c63428acf5129e347"
+"checksum schannel 0.1.15 (registry+https://github.com/rust-lang/crates.io-index)" = "f2f6abf258d99c3c1c5c2131d99d064e94b7b3dd5f416483057f308fea253339"
 "checksum schnorrkel 0.8.4 (registry+https://github.com/rust-lang/crates.io-index)" = "77e8d6a92f49a53f21b71c090a5559bf45c469071ebe556aebaf2dca3abc5cb5"
 "checksum scopeguard 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)" = "94258f53601af11e6a49f722422f6e3425c52b06245a5cf9bc09908b174f5e27"
 "checksum scopeguard 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)" = "b42e15e59b18a828bbf5c58ea01debb36b9b096346de35d941dcb89009f24a0d"
 "checksum sct 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)" = "2f5adf8fbd58e1b1b52699dc8bed2630faecb6d8c7bee77d009d6bbe4af569b9"
+"checksum security-framework 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)" = "eee63d0f4a9ec776eeb30e220f0bc1e092c3ad744b2a379e3993070364d3adc2"
+"checksum security-framework-sys 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)" = "9636f8989cbf61385ae4824b98c1aaa54c994d7d8b41f11c601ed799f0549a56"
 "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 send_wrapper 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "a0eddf2e8f50ced781f288c19f18621fa72a3779e3cb58dbf23b07469b0abeb4"
@@ -5752,6 +5907,7 @@ dependencies = [
 "checksum sysinfo 0.9.1 (registry+https://github.com/rust-lang/crates.io-index)" = "ee7d12b854e48e680bf4b10856a7867e843845158fa8226e6c2f6cc38539cb01"
 "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 tempfile 3.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "7a6e24d9338a0a5be79593e2fa15a648add6138caa803e2d5bc782c371732ca9"
 "checksum termcolor 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)" = "96d6098003bde162e4277c70665bd87c326f5a0c3f3fbfb285787fa482d54e6e"
 "checksum textwrap 0.10.0 (registry+https://github.com/rust-lang/crates.io-index)" = "307686869c93e71f94da64286f9a9524c0f308a9e1c87a583de8e9c9039ad3f6"
 "checksum theban_interval_tree 0.7.1 (registry+https://github.com/rust-lang/crates.io-index)" = "a7b42a5385db9a651628091edcd1d58ac9cb1c92327d8cd2a29bf8e35bdfe4ea"
diff --git a/polkadot/cli/src/lib.rs b/polkadot/cli/src/lib.rs
index 5aa9c21218..7d47af1308 100644
--- a/polkadot/cli/src/lib.rs
+++ b/polkadot/cli/src/lib.rs
@@ -69,7 +69,7 @@ pub trait Worker: IntoExit {
 #[derive(Debug, StructOpt, Clone)]
 enum PolkadotSubCommands {
 	#[structopt(name = "validation-worker", raw(setting = "structopt::clap::AppSettings::Hidden"))]
-	ValidationWorker(ValidationWokerCommand),
+	ValidationWorker(ValidationWorkerCommand),
 }
 
 impl cli::GetLogFilter for PolkadotSubCommands {
@@ -77,7 +77,7 @@ impl cli::GetLogFilter for PolkadotSubCommands {
 }
 
 #[derive(Debug, StructOpt, Clone)]
-struct ValidationWokerCommand {
+struct ValidationWorkerCommand {
 	#[structopt()]
 	pub mem_id: String,
 }