Enable nicknaming for accounts (#500) (#501)

* Update Substrate and add support for account nicknames

* Bump spec version

* Bump substrate branch

* Make nicks callable.

* Bump Substrate

polkadot/Cargo.lock

@@ -849,7 +849,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 [[package]]
 name = "fork-tree"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#4a13f614cf66bf12d7f02f0d338e6f4e27389c48"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#76a138f88cad878478f1c5ab565ec277b870362e"
 dependencies = [
  "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -2825,6 +2825,7 @@ dependencies = [
  "srml-im-online 0.1.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
  "srml-indices 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
  "srml-membership 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
+ "srml-nicks 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
  "srml-offences 1.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
  "srml-randomness-collective-flip 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
  "srml-session 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
@@ -3704,7 +3705,7 @@ 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#4a13f614cf66bf12d7f02f0d338e6f4e27389c48"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#76a138f88cad878478f1c5ab565ec277b870362e"
 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)",
@@ -3716,7 +3717,7 @@ dependencies = [
 [[package]]
 name = "sr-arithmetic"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#4a13f614cf66bf12d7f02f0d338e6f4e27389c48"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#76a138f88cad878478f1c5ab565ec277b870362e"
 dependencies = [
  "integer-sqrt 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "num-traits 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -3729,7 +3730,7 @@ dependencies = [
 [[package]]
 name = "sr-io"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#4a13f614cf66bf12d7f02f0d338e6f4e27389c48"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#76a138f88cad878478f1c5ab565ec277b870362e"
 dependencies = [
  "hash-db 0.15.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "libsecp256k1 0.3.1 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -3747,7 +3748,7 @@ dependencies = [
 [[package]]
 name = "sr-primitives"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#4a13f614cf66bf12d7f02f0d338e6f4e27389c48"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#76a138f88cad878478f1c5ab565ec277b870362e"
 dependencies = [
  "impl-trait-for-tuples 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)",
@@ -3765,7 +3766,7 @@ dependencies = [
 [[package]]
 name = "sr-staking-primitives"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#4a13f614cf66bf12d7f02f0d338e6f4e27389c48"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#76a138f88cad878478f1c5ab565ec277b870362e"
 dependencies = [
  "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-primitives 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
@@ -3775,7 +3776,7 @@ dependencies = [
 [[package]]
 name = "sr-std"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#4a13f614cf66bf12d7f02f0d338e6f4e27389c48"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#76a138f88cad878478f1c5ab565ec277b870362e"
 dependencies = [
  "rustc_version 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -3783,7 +3784,7 @@ dependencies = [
 [[package]]
 name = "sr-version"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#4a13f614cf66bf12d7f02f0d338e6f4e27389c48"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#76a138f88cad878478f1c5ab565ec277b870362e"
 dependencies = [
  "impl-serde 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -3795,7 +3796,7 @@ dependencies = [
 [[package]]
 name = "srml-authority-discovery"
 version = "0.1.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#4a13f614cf66bf12d7f02f0d338e6f4e27389c48"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#76a138f88cad878478f1c5ab565ec277b870362e"
 dependencies = [
  "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde 1.0.101 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -3812,7 +3813,7 @@ dependencies = [
 [[package]]
 name = "srml-authorship"
 version = "0.1.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#4a13f614cf66bf12d7f02f0d338e6f4e27389c48"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#76a138f88cad878478f1c5ab565ec277b870362e"
 dependencies = [
  "impl-trait-for-tuples 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -3828,7 +3829,7 @@ dependencies = [
 [[package]]
 name = "srml-babe"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#4a13f614cf66bf12d7f02f0d338e6f4e27389c48"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#76a138f88cad878478f1c5ab565ec277b870362e"
 dependencies = [
  "hex-literal 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -3848,7 +3849,7 @@ dependencies = [
 [[package]]
 name = "srml-balances"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#4a13f614cf66bf12d7f02f0d338e6f4e27389c48"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#76a138f88cad878478f1c5ab565ec277b870362e"
 dependencies = [
  "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "safe-mix 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -3863,7 +3864,7 @@ dependencies = [
 [[package]]
 name = "srml-collective"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#4a13f614cf66bf12d7f02f0d338e6f4e27389c48"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#76a138f88cad878478f1c5ab565ec277b870362e"
 dependencies = [
  "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "safe-mix 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -3879,7 +3880,7 @@ dependencies = [
 [[package]]
 name = "srml-democracy"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#4a13f614cf66bf12d7f02f0d338e6f4e27389c48"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#76a138f88cad878478f1c5ab565ec277b870362e"
 dependencies = [
  "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "safe-mix 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -3894,7 +3895,7 @@ dependencies = [
 [[package]]
 name = "srml-elections-phragmen"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#4a13f614cf66bf12d7f02f0d338e6f4e27389c48"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#76a138f88cad878478f1c5ab565ec277b870362e"
 dependencies = [
  "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde 1.0.101 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -3910,7 +3911,7 @@ dependencies = [
 [[package]]
 name = "srml-executive"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#4a13f614cf66bf12d7f02f0d338e6f4e27389c48"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#76a138f88cad878478f1c5ab565ec277b870362e"
 dependencies = [
  "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde 1.0.101 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -3924,7 +3925,7 @@ dependencies = [
 [[package]]
 name = "srml-finality-tracker"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#4a13f614cf66bf12d7f02f0d338e6f4e27389c48"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#76a138f88cad878478f1c5ab565ec277b870362e"
 dependencies = [
  "impl-trait-for-tuples 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -3939,7 +3940,7 @@ dependencies = [
 [[package]]
 name = "srml-grandpa"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#4a13f614cf66bf12d7f02f0d338e6f4e27389c48"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#76a138f88cad878478f1c5ab565ec277b870362e"
 dependencies = [
  "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde 1.0.101 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -3957,7 +3958,7 @@ dependencies = [
 [[package]]
 name = "srml-im-online"
 version = "0.1.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#4a13f614cf66bf12d7f02f0d338e6f4e27389c48"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#76a138f88cad878478f1c5ab565ec277b870362e"
 dependencies = [
  "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde 1.0.101 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -3975,7 +3976,7 @@ dependencies = [
 [[package]]
 name = "srml-indices"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#4a13f614cf66bf12d7f02f0d338e6f4e27389c48"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#76a138f88cad878478f1c5ab565ec277b870362e"
 dependencies = [
  "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "safe-mix 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -3992,7 +3993,7 @@ dependencies = [
 [[package]]
 name = "srml-membership"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#4a13f614cf66bf12d7f02f0d338e6f4e27389c48"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#76a138f88cad878478f1c5ab565ec277b870362e"
 dependencies = [
  "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde 1.0.101 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -4006,7 +4007,7 @@ dependencies = [
 [[package]]
 name = "srml-metadata"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#4a13f614cf66bf12d7f02f0d338e6f4e27389c48"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#76a138f88cad878478f1c5ab565ec277b870362e"
 dependencies = [
  "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde 1.0.101 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -4014,10 +4015,24 @@ dependencies = [
  "substrate-primitives 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
 ]
 
+[[package]]
+name = "srml-nicks"
+version = "2.0.0"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#76a138f88cad878478f1c5ab565ec277b870362e"
+dependencies = [
+ "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
+ "serde 1.0.101 (registry+https://github.com/rust-lang/crates.io-index)",
+ "sr-io 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
+ "sr-primitives 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
+ "sr-std 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
+ "srml-support 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
+ "srml-system 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
+]
+
 [[package]]
 name = "srml-offences"
 version = "1.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#4a13f614cf66bf12d7f02f0d338e6f4e27389c48"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#76a138f88cad878478f1c5ab565ec277b870362e"
 dependencies = [
  "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde 1.0.101 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -4032,7 +4047,7 @@ dependencies = [
 [[package]]
 name = "srml-randomness-collective-flip"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#4a13f614cf66bf12d7f02f0d338e6f4e27389c48"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#76a138f88cad878478f1c5ab565ec277b870362e"
 dependencies = [
  "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "safe-mix 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -4045,7 +4060,7 @@ dependencies = [
 [[package]]
 name = "srml-session"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#4a13f614cf66bf12d7f02f0d338e6f4e27389c48"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#76a138f88cad878478f1c5ab565ec277b870362e"
 dependencies = [
  "impl-trait-for-tuples 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -4064,7 +4079,7 @@ dependencies = [
 [[package]]
 name = "srml-staking"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#4a13f614cf66bf12d7f02f0d338e6f4e27389c48"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#76a138f88cad878478f1c5ab565ec277b870362e"
 dependencies = [
  "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "safe-mix 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -4084,7 +4099,7 @@ dependencies = [
 [[package]]
 name = "srml-staking-reward-curve"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#4a13f614cf66bf12d7f02f0d338e6f4e27389c48"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#76a138f88cad878478f1c5ab565ec277b870362e"
 dependencies = [
  "proc-macro-crate 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "proc-macro2 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -4095,7 +4110,7 @@ dependencies = [
 [[package]]
 name = "srml-sudo"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#4a13f614cf66bf12d7f02f0d338e6f4e27389c48"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#76a138f88cad878478f1c5ab565ec277b870362e"
 dependencies = [
  "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde 1.0.101 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -4109,7 +4124,7 @@ dependencies = [
 [[package]]
 name = "srml-support"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#4a13f614cf66bf12d7f02f0d338e6f4e27389c48"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#76a138f88cad878478f1c5ab565ec277b870362e"
 dependencies = [
  "bitmask 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "impl-trait-for-tuples 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -4130,7 +4145,7 @@ dependencies = [
 [[package]]
 name = "srml-support-procedural"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#4a13f614cf66bf12d7f02f0d338e6f4e27389c48"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#76a138f88cad878478f1c5ab565ec277b870362e"
 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)",
@@ -4142,7 +4157,7 @@ dependencies = [
 [[package]]
 name = "srml-support-procedural-tools"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#4a13f614cf66bf12d7f02f0d338e6f4e27389c48"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#76a138f88cad878478f1c5ab565ec277b870362e"
 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)",
@@ -4154,7 +4169,7 @@ dependencies = [
 [[package]]
 name = "srml-support-procedural-tools-derive"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#4a13f614cf66bf12d7f02f0d338e6f4e27389c48"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#76a138f88cad878478f1c5ab565ec277b870362e"
 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)",
@@ -4164,7 +4179,7 @@ dependencies = [
 [[package]]
 name = "srml-system"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#4a13f614cf66bf12d7f02f0d338e6f4e27389c48"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#76a138f88cad878478f1c5ab565ec277b870362e"
 dependencies = [
  "impl-trait-for-tuples 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -4181,7 +4196,7 @@ dependencies = [
 [[package]]
 name = "srml-system-rpc"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#4a13f614cf66bf12d7f02f0d338e6f4e27389c48"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#76a138f88cad878478f1c5ab565ec277b870362e"
 dependencies = [
  "jsonrpc-core 13.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "jsonrpc-core-client 13.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -4199,7 +4214,7 @@ dependencies = [
 [[package]]
 name = "srml-system-rpc-runtime-api"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#4a13f614cf66bf12d7f02f0d338e6f4e27389c48"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#76a138f88cad878478f1c5ab565ec277b870362e"
 dependencies = [
  "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "substrate-client 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
@@ -4208,7 +4223,7 @@ dependencies = [
 [[package]]
 name = "srml-timestamp"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#4a13f614cf66bf12d7f02f0d338e6f4e27389c48"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#76a138f88cad878478f1c5ab565ec277b870362e"
 dependencies = [
  "impl-trait-for-tuples 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -4223,7 +4238,7 @@ dependencies = [
 [[package]]
 name = "srml-transaction-payment"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#4a13f614cf66bf12d7f02f0d338e6f4e27389c48"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#76a138f88cad878478f1c5ab565ec277b870362e"
 dependencies = [
  "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-primitives 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
@@ -4235,7 +4250,7 @@ dependencies = [
 [[package]]
 name = "srml-treasury"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#4a13f614cf66bf12d7f02f0d338e6f4e27389c48"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#76a138f88cad878478f1c5ab565ec277b870362e"
 dependencies = [
  "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde 1.0.101 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -4322,7 +4337,7 @@ dependencies = [
 [[package]]
 name = "substrate-application-crypto"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#4a13f614cf66bf12d7f02f0d338e6f4e27389c48"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#76a138f88cad878478f1c5ab565ec277b870362e"
 dependencies = [
  "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde 1.0.101 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -4334,7 +4349,7 @@ dependencies = [
 [[package]]
 name = "substrate-authority-discovery"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#4a13f614cf66bf12d7f02f0d338e6f4e27389c48"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#76a138f88cad878478f1c5ab565ec277b870362e"
 dependencies = [
  "bytes 0.4.12 (registry+https://github.com/rust-lang/crates.io-index)",
  "derive_more 0.15.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -4356,7 +4371,7 @@ dependencies = [
 [[package]]
 name = "substrate-authority-discovery-primitives"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#4a13f614cf66bf12d7f02f0d338e6f4e27389c48"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#76a138f88cad878478f1c5ab565ec277b870362e"
 dependencies = [
  "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-primitives 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
@@ -4378,7 +4393,7 @@ dependencies = [
 [[package]]
 name = "substrate-chain-spec"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#4a13f614cf66bf12d7f02f0d338e6f4e27389c48"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#76a138f88cad878478f1c5ab565ec277b870362e"
 dependencies = [
  "impl-trait-for-tuples 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde 1.0.101 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -4393,7 +4408,7 @@ dependencies = [
 [[package]]
 name = "substrate-chain-spec-derive"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#4a13f614cf66bf12d7f02f0d338e6f4e27389c48"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#76a138f88cad878478f1c5ab565ec277b870362e"
 dependencies = [
  "proc-macro-crate 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
  "proc-macro2 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -4404,7 +4419,7 @@ dependencies = [
 [[package]]
 name = "substrate-cli"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#4a13f614cf66bf12d7f02f0d338e6f4e27389c48"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#76a138f88cad878478f1c5ab565ec277b870362e"
 dependencies = [
  "ansi_term 0.12.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "app_dirs 1.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -4440,7 +4455,7 @@ dependencies = [
 [[package]]
 name = "substrate-client"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#4a13f614cf66bf12d7f02f0d338e6f4e27389c48"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#76a138f88cad878478f1c5ab565ec277b870362e"
 dependencies = [
  "derive_more 0.15.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "fnv 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -4470,7 +4485,7 @@ dependencies = [
 [[package]]
 name = "substrate-client-db"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#4a13f614cf66bf12d7f02f0d338e6f4e27389c48"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#76a138f88cad878478f1c5ab565ec277b870362e"
 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)",
@@ -4494,7 +4509,7 @@ dependencies = [
 [[package]]
 name = "substrate-consensus-babe"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#4a13f614cf66bf12d7f02f0d338e6f4e27389c48"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#76a138f88cad878478f1c5ab565ec277b870362e"
 dependencies = [
  "derive_more 0.15.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "fork-tree 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
@@ -4532,7 +4547,7 @@ dependencies = [
 [[package]]
 name = "substrate-consensus-babe-primitives"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#4a13f614cf66bf12d7f02f0d338e6f4e27389c48"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#76a138f88cad878478f1c5ab565ec277b870362e"
 dependencies = [
  "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "schnorrkel 0.8.5 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -4546,7 +4561,7 @@ dependencies = [
 [[package]]
 name = "substrate-consensus-common"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#4a13f614cf66bf12d7f02f0d338e6f4e27389c48"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#76a138f88cad878478f1c5ab565ec277b870362e"
 dependencies = [
  "derive_more 0.15.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures-preview 0.3.0-alpha.19 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -4565,7 +4580,7 @@ dependencies = [
 [[package]]
 name = "substrate-consensus-slots"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#4a13f614cf66bf12d7f02f0d338e6f4e27389c48"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#76a138f88cad878478f1c5ab565ec277b870362e"
 dependencies = [
  "futures-preview 0.3.0-alpha.19 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures-timer 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -4583,7 +4598,7 @@ dependencies = [
 [[package]]
 name = "substrate-consensus-uncles"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#4a13f614cf66bf12d7f02f0d338e6f4e27389c48"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#76a138f88cad878478f1c5ab565ec277b870362e"
 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)",
@@ -4597,7 +4612,7 @@ dependencies = [
 [[package]]
 name = "substrate-debug-derive"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#4a13f614cf66bf12d7f02f0d338e6f4e27389c48"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#76a138f88cad878478f1c5ab565ec277b870362e"
 dependencies = [
  "proc-macro2 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
  "quote 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -4607,7 +4622,7 @@ dependencies = [
 [[package]]
 name = "substrate-executor"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#4a13f614cf66bf12d7f02f0d338e6f4e27389c48"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#76a138f88cad878478f1c5ab565ec277b870362e"
 dependencies = [
  "derive_more 0.15.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -4631,7 +4646,7 @@ dependencies = [
 [[package]]
 name = "substrate-externalities"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#4a13f614cf66bf12d7f02f0d338e6f4e27389c48"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#76a138f88cad878478f1c5ab565ec277b870362e"
 dependencies = [
  "environmental 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "primitive-types 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -4642,7 +4657,7 @@ dependencies = [
 [[package]]
 name = "substrate-finality-grandpa"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#4a13f614cf66bf12d7f02f0d338e6f4e27389c48"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#76a138f88cad878478f1c5ab565ec277b870362e"
 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)",
@@ -4671,7 +4686,7 @@ dependencies = [
 [[package]]
 name = "substrate-finality-grandpa-primitives"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#4a13f614cf66bf12d7f02f0d338e6f4e27389c48"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#76a138f88cad878478f1c5ab565ec277b870362e"
 dependencies = [
  "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde 1.0.101 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -4684,7 +4699,7 @@ dependencies = [
 [[package]]
 name = "substrate-header-metadata"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#4a13f614cf66bf12d7f02f0d338e6f4e27389c48"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#76a138f88cad878478f1c5ab565ec277b870362e"
 dependencies = [
  "lru-cache 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "parking_lot 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -4694,7 +4709,7 @@ dependencies = [
 [[package]]
 name = "substrate-inherents"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#4a13f614cf66bf12d7f02f0d338e6f4e27389c48"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#76a138f88cad878478f1c5ab565ec277b870362e"
 dependencies = [
  "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
  "parking_lot 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -4705,7 +4720,7 @@ dependencies = [
 [[package]]
 name = "substrate-keyring"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#4a13f614cf66bf12d7f02f0d338e6f4e27389c48"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#76a138f88cad878478f1c5ab565ec277b870362e"
 dependencies = [
  "lazy_static 1.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "sr-primitives 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
@@ -4717,7 +4732,7 @@ dependencies = [
 [[package]]
 name = "substrate-keystore"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#4a13f614cf66bf12d7f02f0d338e6f4e27389c48"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#76a138f88cad878478f1c5ab565ec277b870362e"
 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)",
@@ -4732,7 +4747,7 @@ dependencies = [
 [[package]]
 name = "substrate-network"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#4a13f614cf66bf12d7f02f0d338e6f4e27389c48"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#76a138f88cad878478f1c5ab565ec277b870362e"
 dependencies = [
  "bitflags 1.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "bytes 0.4.12 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -4774,7 +4789,7 @@ dependencies = [
 [[package]]
 name = "substrate-offchain"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#4a13f614cf66bf12d7f02f0d338e6f4e27389c48"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#76a138f88cad878478f1c5ab565ec277b870362e"
 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)",
@@ -4801,7 +4816,7 @@ dependencies = [
 [[package]]
 name = "substrate-offchain-primitives"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#4a13f614cf66bf12d7f02f0d338e6f4e27389c48"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#76a138f88cad878478f1c5ab565ec277b870362e"
 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)",
@@ -4810,7 +4825,7 @@ dependencies = [
 [[package]]
 name = "substrate-panic-handler"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#4a13f614cf66bf12d7f02f0d338e6f4e27389c48"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#76a138f88cad878478f1c5ab565ec277b870362e"
 dependencies = [
  "backtrace 0.3.40 (registry+https://github.com/rust-lang/crates.io-index)",
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -4819,7 +4834,7 @@ dependencies = [
 [[package]]
 name = "substrate-peerset"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#4a13f614cf66bf12d7f02f0d338e6f4e27389c48"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#76a138f88cad878478f1c5ab565ec277b870362e"
 dependencies = [
  "futures-preview 0.3.0-alpha.19 (registry+https://github.com/rust-lang/crates.io-index)",
  "libp2p 0.12.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -4832,7 +4847,7 @@ dependencies = [
 [[package]]
 name = "substrate-phragmen"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#4a13f614cf66bf12d7f02f0d338e6f4e27389c48"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#76a138f88cad878478f1c5ab565ec277b870362e"
 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)",
@@ -4841,7 +4856,7 @@ dependencies = [
 [[package]]
 name = "substrate-primitives"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#4a13f614cf66bf12d7f02f0d338e6f4e27389c48"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#76a138f88cad878478f1c5ab565ec277b870362e"
 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)",
@@ -4879,7 +4894,7 @@ dependencies = [
 [[package]]
 name = "substrate-primitives-storage"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#4a13f614cf66bf12d7f02f0d338e6f4e27389c48"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#76a138f88cad878478f1c5ab565ec277b870362e"
 dependencies = [
  "impl-serde 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde 1.0.101 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -4890,7 +4905,7 @@ dependencies = [
 [[package]]
 name = "substrate-rpc"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#4a13f614cf66bf12d7f02f0d338e6f4e27389c48"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#76a138f88cad878478f1c5ab565ec277b870362e"
 dependencies = [
  "futures-preview 0.3.0-alpha.19 (registry+https://github.com/rust-lang/crates.io-index)",
  "hash-db 0.15.2 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -4916,7 +4931,7 @@ dependencies = [
 [[package]]
 name = "substrate-rpc-api"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#4a13f614cf66bf12d7f02f0d338e6f4e27389c48"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#76a138f88cad878478f1c5ab565ec277b870362e"
 dependencies = [
  "derive_more 0.15.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures-preview 0.3.0-alpha.19 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -4938,7 +4953,7 @@ dependencies = [
 [[package]]
 name = "substrate-rpc-primitives"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#4a13f614cf66bf12d7f02f0d338e6f4e27389c48"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#76a138f88cad878478f1c5ab565ec277b870362e"
 dependencies = [
  "serde 1.0.101 (registry+https://github.com/rust-lang/crates.io-index)",
  "substrate-primitives 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)",
@@ -4947,7 +4962,7 @@ dependencies = [
 [[package]]
 name = "substrate-rpc-servers"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#4a13f614cf66bf12d7f02f0d338e6f4e27389c48"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#76a138f88cad878478f1c5ab565ec277b870362e"
 dependencies = [
  "jsonrpc-core 13.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "jsonrpc-http-server 13.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -4962,7 +4977,7 @@ dependencies = [
 [[package]]
 name = "substrate-serializer"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#4a13f614cf66bf12d7f02f0d338e6f4e27389c48"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#76a138f88cad878478f1c5ab565ec277b870362e"
 dependencies = [
  "serde 1.0.101 (registry+https://github.com/rust-lang/crates.io-index)",
  "serde_json 1.0.41 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -4971,7 +4986,7 @@ dependencies = [
 [[package]]
 name = "substrate-service"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#4a13f614cf66bf12d7f02f0d338e6f4e27389c48"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#76a138f88cad878478f1c5ab565ec277b870362e"
 dependencies = [
  "derive_more 0.15.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "exit-future 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -5013,7 +5028,7 @@ dependencies = [
 [[package]]
 name = "substrate-session"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#4a13f614cf66bf12d7f02f0d338e6f4e27389c48"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#76a138f88cad878478f1c5ab565ec277b870362e"
 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)",
@@ -5024,7 +5039,7 @@ dependencies = [
 [[package]]
 name = "substrate-state-db"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#4a13f614cf66bf12d7f02f0d338e6f4e27389c48"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#76a138f88cad878478f1c5ab565ec277b870362e"
 dependencies = [
  "log 0.4.8 (registry+https://github.com/rust-lang/crates.io-index)",
  "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -5035,7 +5050,7 @@ dependencies = [
 [[package]]
 name = "substrate-state-machine"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#4a13f614cf66bf12d7f02f0d338e6f4e27389c48"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#76a138f88cad878478f1c5ab565ec277b870362e"
 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)",
@@ -5054,7 +5069,7 @@ dependencies = [
 [[package]]
 name = "substrate-telemetry"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#4a13f614cf66bf12d7f02f0d338e6f4e27389c48"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#76a138f88cad878478f1c5ab565ec277b870362e"
 dependencies = [
  "bytes 0.4.12 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures 0.1.29 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -5076,7 +5091,7 @@ dependencies = [
 [[package]]
 name = "substrate-transaction-graph"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#4a13f614cf66bf12d7f02f0d338e6f4e27389c48"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#76a138f88cad878478f1c5ab565ec277b870362e"
 dependencies = [
  "derive_more 0.15.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures-preview 0.3.0-alpha.19 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -5090,7 +5105,7 @@ dependencies = [
 [[package]]
 name = "substrate-transaction-pool"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#4a13f614cf66bf12d7f02f0d338e6f4e27389c48"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#76a138f88cad878478f1c5ab565ec277b870362e"
 dependencies = [
  "derive_more 0.15.0 (registry+https://github.com/rust-lang/crates.io-index)",
  "futures-preview 0.3.0-alpha.19 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -5106,7 +5121,7 @@ dependencies = [
 [[package]]
 name = "substrate-trie"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#4a13f614cf66bf12d7f02f0d338e6f4e27389c48"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#76a138f88cad878478f1c5ab565ec277b870362e"
 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)",
@@ -5125,7 +5140,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 [[package]]
 name = "substrate-wasm-interface"
 version = "2.0.0"
-source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#4a13f614cf66bf12d7f02f0d338e6f4e27389c48"
+source = "git+https://github.com/paritytech/substrate?branch=polkadot-master#76a138f88cad878478f1c5ab565ec277b870362e"
 dependencies = [
  "wasmi 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -6365,6 +6380,7 @@ dependencies = [
 "checksum srml-indices 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)" = "<none>"
 "checksum srml-membership 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)" = "<none>"
 "checksum srml-metadata 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)" = "<none>"
+"checksum srml-nicks 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)" = "<none>"
 "checksum srml-offences 1.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)" = "<none>"
 "checksum srml-randomness-collective-flip 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)" = "<none>"
 "checksum srml-session 2.0.0 (git+https://github.com/paritytech/substrate?branch=polkadot-master)" = "<none>"

polkadot/runtime/Cargo.toml

@@ -42,6 +42,7 @@ grandpa = { package = "srml-grandpa", git = "https://github.com/paritytech/subst
 im-online = { package = "srml-im-online", git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-master" }
 indices = { package = "srml-indices", git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-master" }
 membership = { package = "srml-membership", git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-master" }
+nicks = { package = "srml-nicks", git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-master" }
 offences = { package = "srml-offences", git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-master" }
 randomness-collective-flip = { package = "srml-randomness-collective-flip", git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-master" }
 session = { package = "srml-session", git = "https://github.com/paritytech/substrate", default-features = false, branch = "polkadot-master" }
@@ -100,6 +101,7 @@ std = [
 	"im-online/std",
 	"indices/std",
 	"membership/std",
+	"nicks/std",
 	"offences/std",
 	"sr-primitives/std",
 	"sr-staking-primitives/std",

polkadot/runtime/src/lib.rs

@@ -99,7 +99,7 @@ pub const VERSION: RuntimeVersion = RuntimeVersion {
 	spec_name: create_runtime_str!("kusama"),
 	impl_name: create_runtime_str!("parity-kusama"),
 	authoring_version: 1,
-	spec_version: 1005,
+	spec_version: 1006,
 	impl_version: 0,
 	apis: RUNTIME_API_VERSIONS,
 };
@@ -131,7 +131,7 @@ impl SignedExtension for OnlyStakingAndClaims {
 		match call {
 			Call::Staking(_) | Call::Claims(_) | Call::Sudo(_) | Call::Session(_)
 				| Call::ElectionsPhragmen(_) | Call::TechnicalMembership(_)
-				| Call::TechnicalCommittee(_)
+				| Call::TechnicalCommittee(_) | Call::Nicks(_)
 			=>
 				Ok(Default::default()),
 			_ => Err(InvalidTransaction::Custom(ValidityError::NoPermission.into()).into()),
@@ -529,6 +529,22 @@ impl sudo::Trait for Runtime {
 	type Proposal = Call;
 }
 
+parameter_types! {
+	pub const ReservationFee: Balance = 1 * DOLLARS;
+	pub const MinLength: usize = 3;
+	pub const MaxLength: usize = 16;
+}
+
+impl nicks::Trait for Runtime {
+	type Event = Event;
+	type Currency = Balances;
+	type ReservationFee = ReservationFee;
+	type Slashed = Treasury;
+	type KillOrigin = collective::EnsureMember<AccountId, CouncilCollective>;
+	type MinLength = MinLength;
+	type MaxLength = MaxLength;
+}
+
 construct_runtime!(
 	pub enum Runtime where
 		Block = Block,
@@ -577,6 +593,9 @@ construct_runtime!(
 		// Sudo. Usable initially.
 		// RELEASE: remove this for release build.
 		Sudo: sudo,
+
+		// Simple nicknames module.
+		Nicks: nicks::{Module, Call, Storage, Event<T>},
 	}
 );