Use EncodeLike for storages traits (#3676)

* impl * patch * lock * some refactor * some avoided copy * new api without ref for doublemap * fix * version bump * fix * point to incoming release * use codec latest * bumpd impl version * fix unused * fix * Update srml/support/src/storage/mod.rs Co-Authored-By: Bastian Köcher <bkchr@users.noreply.github.com>
2026-06-15 17:21:08 +00:00 · 2019-10-01 19:45:24 +02:00
parent 83d4764d46
commit 53e0ddee4e
36 changed files with 489 additions and 465 deletions
@@ -860,7 +860,7 @@ dependencies = [
 "hashmap_core 0.1.11 (registry+https://github.com/rust-lang/crates.io-index)",
 "log 0.4.7 (registry+https://github.com/rust-lang/crates.io-index)",
 "num-traits 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
- "parity-scale-codec 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
 "parking_lot 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -917,7 +917,7 @@ source = "registry+https://github.com/rust-lang/crates.io-index"
 name = "fork-tree"
 version = "2.0.0"
 dependencies = [
- "parity-scale-codec 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 [[package]]
@@ -1365,10 +1365,10 @@ dependencies = [
 [[package]]
 name = "impl-codec"
-version = "0.4.0"
+version = "0.4.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
- "parity-scale-codec 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 [[package]]
@@ -1382,7 +1382,7 @@ dependencies = [
 [[package]]
 name = "impl-serde"
-version = "0.2.0"
+version = "0.2.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
 "serde 1.0.101 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2352,7 +2352,7 @@ dependencies = [
 "node-primitives 2.0.0",
 "node-rpc 2.0.0",
 "node-runtime 2.0.0",
- "parity-scale-codec 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
 "rand 0.6.5 (registry+https://github.com/rust-lang/crates.io-index)",
 "serde 1.0.101 (registry+https://github.com/rust-lang/crates.io-index)",
 "sr-io 2.0.0",
@@ -2401,7 +2401,7 @@ dependencies = [
 "node-primitives 2.0.0",
 "node-runtime 2.0.0",
 "node-testing 2.0.0",
- "parity-scale-codec 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
 "sr-io 2.0.0",
 "sr-primitives 2.0.0",
 "srml-balances 2.0.0",
@@ -2426,7 +2426,7 @@ dependencies = [
 name = "node-primitives"
 version = "2.0.0"
 dependencies = [
- "parity-scale-codec 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
 "pretty_assertions 0.6.1 (registry+https://github.com/rust-lang/crates.io-index)",
 "serde 1.0.101 (registry+https://github.com/rust-lang/crates.io-index)",
 "sr-primitives 2.0.0",
@@ -2450,7 +2450,7 @@ dependencies = [
 "node-primitives 2.0.0",
 "node-runtime 2.0.0",
 "node-testing 2.0.0",
- "parity-scale-codec 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
 "serde 1.0.101 (registry+https://github.com/rust-lang/crates.io-index)",
 "sr-primitives 2.0.0",
 "substrate-client 2.0.0",
@@ -2479,7 +2479,7 @@ version = "2.0.0"
 dependencies = [
 "integer-sqrt 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
 "node-primitives 2.0.0",
- "parity-scale-codec 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
 "rustc-hex 2.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
 "safe-mix 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
 "serde 1.0.101 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -2530,7 +2530,7 @@ dependencies = [
 "futures 0.1.28 (registry+https://github.com/rust-lang/crates.io-index)",
 "log 0.4.7 (registry+https://github.com/rust-lang/crates.io-index)",
 "node-template-runtime 2.0.0",
- "parity-scale-codec 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
 "parking_lot 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
 "sr-io 2.0.0",
 "substrate-basic-authorship 2.0.0",
@@ -2555,7 +2555,7 @@ dependencies = [
 name = "node-template-runtime"
 version = "2.0.0"
 dependencies = [
- "parity-scale-codec 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
 "safe-mix 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
 "serde 1.0.101 (registry+https://github.com/rust-lang/crates.io-index)",
 "sr-io 2.0.0",
@@ -2586,7 +2586,7 @@ dependencies = [
 "node-executor 2.0.0",
 "node-primitives 2.0.0",
 "node-runtime 2.0.0",
- "parity-scale-codec 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
 "sr-io 2.0.0",
 "sr-primitives 2.0.0",
 "srml-balances 2.0.0",
@@ -2786,19 +2786,19 @@ dependencies = [
 [[package]]
 name = "parity-scale-codec"
-version = "1.0.5"
+version = "1.0.6"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
 "arrayvec 0.4.11 (registry+https://github.com/rust-lang/crates.io-index)",
 "bitvec 0.14.0 (registry+https://github.com/rust-lang/crates.io-index)",
 "byte-slice-cast 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "parity-scale-codec-derive 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)",
+ "parity-scale-codec-derive 1.0.3 (registry+https://github.com/rust-lang/crates.io-index)",
 "serde 1.0.101 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 [[package]]
 name = "parity-scale-codec-derive"
-version = "1.0.2"
+version = "1.0.3"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
 "proc-macro-crate 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -3023,12 +3023,12 @@ dependencies = [
 [[package]]
 name = "primitive-types"
-version = "0.5.0"
+version = "0.5.1"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 dependencies = [
 "fixed-hash 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "impl-codec 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "impl-codec 0.4.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "impl-serde 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "impl-serde 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)",
 "uint 0.8.0 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
@@ -3425,7 +3425,7 @@ dependencies = [
 "error-chain 0.12.1 (registry+https://github.com/rust-lang/crates.io-index)",
 "futures 0.1.28 (registry+https://github.com/rust-lang/crates.io-index)",
 "log 0.4.7 (registry+https://github.com/rust-lang/crates.io-index)",
- "parity-scale-codec 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
 ]
 [[package]]
@@ -3828,7 +3828,7 @@ version = "2.0.0"
 dependencies = [
 "blake2-rfc 0.2.18 (registry+https://github.com/rust-lang/crates.io-index)",
 "criterion 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)",
- "parity-scale-codec 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
 "proc-macro-crate 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
 "proc-macro2 0.4.30 (registry+https://github.com/rust-lang/crates.io-index)",
 "quote 0.6.13 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -3851,7 +3851,7 @@ 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)",
 "libsecp256k1 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "parity-scale-codec 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
 "rustc_version 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
 "sr-std 2.0.0",
 "substrate-offchain 2.0.0",
@@ -3869,9 +3869,9 @@ dependencies = [
 "integer-sqrt 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
 "log 0.4.7 (registry+https://github.com/rust-lang/crates.io-index)",
 "num-traits 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
- "parity-scale-codec 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
 "paste 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
- "primitive-types 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "primitive-types 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
 "rand 0.7.2 (registry+https://github.com/rust-lang/crates.io-index)",
 "serde 1.0.101 (registry+https://github.com/rust-lang/crates.io-index)",
 "serde_json 1.0.40 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -3886,7 +3886,7 @@ name = "sr-sandbox"
 version = "2.0.0"
 dependencies = [
 "assert_matches 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "parity-scale-codec 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
 "rustc_version 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
 "sr-std 2.0.0",
 "substrate-primitives 2.0.0",
@@ -3898,7 +3898,7 @@ dependencies = [
 name = "sr-staking-primitives"
 version = "2.0.0"
 dependencies = [
- "parity-scale-codec 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
 "sr-primitives 2.0.0",
 "sr-std 2.0.0",
 ]
@@ -3915,7 +3915,7 @@ name = "sr-version"
 version = "2.0.0"
 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)",
+ "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-primitives 2.0.0",
 "sr-std 2.0.0",
@@ -3925,7 +3925,7 @@ dependencies = [
 name = "srml-assets"
 version = "2.0.0"
 dependencies = [
- "parity-scale-codec 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
 "serde 1.0.101 (registry+https://github.com/rust-lang/crates.io-index)",
 "sr-io 2.0.0",
 "sr-primitives 2.0.0",
@@ -3940,7 +3940,7 @@ name = "srml-aura"
 version = "2.0.0"
 dependencies = [
 "lazy_static 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "parity-scale-codec 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
 "parking_lot 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
 "serde 1.0.101 (registry+https://github.com/rust-lang/crates.io-index)",
 "sr-io 2.0.0",
@@ -3960,7 +3960,7 @@ dependencies = [
 name = "srml-authority-discovery"
 version = "0.1.0"
 dependencies = [
- "parity-scale-codec 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
 "serde 1.0.101 (registry+https://github.com/rust-lang/crates.io-index)",
 "sr-io 2.0.0",
 "sr-primitives 2.0.0",
@@ -3979,7 +3979,7 @@ name = "srml-authorship"
 version = "0.1.0"
 dependencies = [
 "impl-trait-for-tuples 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)",
+ "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
 "sr-io 2.0.0",
 "sr-primitives 2.0.0",
 "sr-std 2.0.0",
@@ -3995,7 +3995,7 @@ version = "2.0.0"
 dependencies = [
 "hex-literal 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
 "lazy_static 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "parity-scale-codec 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
 "parking_lot 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
 "serde 1.0.101 (registry+https://github.com/rust-lang/crates.io-index)",
 "sr-io 2.0.0",
@@ -4017,7 +4017,7 @@ dependencies = [
 name = "srml-balances"
 version = "2.0.0"
 dependencies = [
- "parity-scale-codec 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
 "safe-mix 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
 "serde 1.0.101 (registry+https://github.com/rust-lang/crates.io-index)",
 "sr-io 2.0.0",
@@ -4034,7 +4034,7 @@ name = "srml-collective"
 version = "2.0.0"
 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)",
+ "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
 "safe-mix 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
 "serde 1.0.101 (registry+https://github.com/rust-lang/crates.io-index)",
 "sr-io 2.0.0",
@@ -4053,7 +4053,7 @@ dependencies = [
 "assert_matches 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
 "hex 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
 "hex-literal 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "parity-scale-codec 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
 "parity-wasm 0.40.2 (registry+https://github.com/rust-lang/crates.io-index)",
 "pwasm-utils 0.11.0 (registry+https://github.com/rust-lang/crates.io-index)",
 "serde 1.0.101 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -4074,7 +4074,7 @@ dependencies = [
 name = "srml-democracy"
 version = "2.0.0"
 dependencies = [
- "parity-scale-codec 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
 "safe-mix 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
 "serde 1.0.101 (registry+https://github.com/rust-lang/crates.io-index)",
 "sr-io 2.0.0",
@@ -4091,7 +4091,7 @@ name = "srml-elections"
 version = "2.0.0"
 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)",
+ "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
 "safe-mix 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
 "serde 1.0.101 (registry+https://github.com/rust-lang/crates.io-index)",
 "sr-io 2.0.0",
@@ -4108,7 +4108,7 @@ name = "srml-elections-phragmen"
 version = "2.0.0"
 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)",
+ "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",
 "sr-primitives 2.0.0",
@@ -4124,7 +4124,7 @@ dependencies = [
 name = "srml-example"
 version = "2.0.0"
 dependencies = [
- "parity-scale-codec 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
 "serde 1.0.101 (registry+https://github.com/rust-lang/crates.io-index)",
 "sr-io 2.0.0",
 "sr-primitives 2.0.0",
@@ -4140,7 +4140,7 @@ name = "srml-executive"
 version = "2.0.0"
 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)",
+ "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",
 "sr-primitives 2.0.0",
@@ -4157,7 +4157,7 @@ name = "srml-finality-tracker"
 version = "2.0.0"
 dependencies = [
 "impl-trait-for-tuples 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)",
+ "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",
 "sr-primitives 2.0.0",
@@ -4172,7 +4172,7 @@ dependencies = [
 name = "srml-generic-asset"
 version = "2.0.0"
 dependencies = [
- "parity-scale-codec 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
 "serde 1.0.101 (registry+https://github.com/rust-lang/crates.io-index)",
 "sr-io 2.0.0",
 "sr-primitives 2.0.0",
@@ -4186,7 +4186,7 @@ dependencies = [
 name = "srml-grandpa"
 version = "2.0.0"
 dependencies = [
- "parity-scale-codec 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
 "serde 1.0.101 (registry+https://github.com/rust-lang/crates.io-index)",
 "sr-io 2.0.0",
 "sr-primitives 2.0.0",
@@ -4204,7 +4204,7 @@ dependencies = [
 name = "srml-im-online"
 version = "0.1.0"
 dependencies = [
- "parity-scale-codec 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
 "serde 1.0.101 (registry+https://github.com/rust-lang/crates.io-index)",
 "sr-io 2.0.0",
 "sr-primitives 2.0.0",
@@ -4222,7 +4222,7 @@ dependencies = [
 name = "srml-indices"
 version = "2.0.0"
 dependencies = [
- "parity-scale-codec 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
 "ref_thread_local 0.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
 "safe-mix 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
 "serde 1.0.101 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -4239,7 +4239,7 @@ dependencies = [
 name = "srml-membership"
 version = "2.0.0"
 dependencies = [
- "parity-scale-codec 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
 "serde 1.0.101 (registry+https://github.com/rust-lang/crates.io-index)",
 "sr-io 2.0.0",
 "sr-primitives 2.0.0",
@@ -4253,7 +4253,7 @@ dependencies = [
 name = "srml-metadata"
 version = "2.0.0"
 dependencies = [
- "parity-scale-codec 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
 "serde 1.0.101 (registry+https://github.com/rust-lang/crates.io-index)",
 "sr-std 2.0.0",
 "substrate-primitives 2.0.0",
@@ -4263,7 +4263,7 @@ dependencies = [
 name = "srml-offences"
 version = "1.0.0"
 dependencies = [
- "parity-scale-codec 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
 "serde 1.0.101 (registry+https://github.com/rust-lang/crates.io-index)",
 "sr-io 2.0.0",
 "sr-primitives 2.0.0",
@@ -4279,7 +4279,7 @@ dependencies = [
 name = "srml-scored-pool"
 version = "1.0.0"
 dependencies = [
- "parity-scale-codec 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
 "serde 1.0.101 (registry+https://github.com/rust-lang/crates.io-index)",
 "sr-io 2.0.0",
 "sr-primitives 2.0.0",
@@ -4296,7 +4296,7 @@ version = "2.0.0"
 dependencies = [
 "impl-trait-for-tuples 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
 "lazy_static 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "parity-scale-codec 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
 "safe-mix 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
 "serde 1.0.101 (registry+https://github.com/rust-lang/crates.io-index)",
 "sr-io 2.0.0",
@@ -4315,7 +4315,7 @@ dependencies = [
 name = "srml-staking"
 version = "2.0.0"
 dependencies = [
- "parity-scale-codec 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
 "safe-mix 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
 "serde 1.0.101 (registry+https://github.com/rust-lang/crates.io-index)",
 "sr-io 2.0.0",
@@ -4349,7 +4349,7 @@ dependencies = [
 name = "srml-sudo"
 version = "2.0.0"
 dependencies = [
- "parity-scale-codec 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
 "serde 1.0.101 (registry+https://github.com/rust-lang/crates.io-index)",
 "sr-io 2.0.0",
 "sr-primitives 2.0.0",
@@ -4366,7 +4366,7 @@ dependencies = [
 "bitmask 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
 "impl-trait-for-tuples 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)",
 "once_cell 0.1.8 (registry+https://github.com/rust-lang/crates.io-index)",
- "parity-scale-codec 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
 "paste 0.1.5 (registry+https://github.com/rust-lang/crates.io-index)",
 "pretty_assertions 0.6.1 (registry+https://github.com/rust-lang/crates.io-index)",
 "serde 1.0.101 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -4415,7 +4415,7 @@ dependencies = [
 name = "srml-support-test"
 version = "2.0.0"
 dependencies = [
- "parity-scale-codec 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
 "pretty_assertions 0.6.1 (registry+https://github.com/rust-lang/crates.io-index)",
 "serde 1.0.101 (registry+https://github.com/rust-lang/crates.io-index)",
 "sr-io 2.0.0",
@@ -4431,7 +4431,7 @@ version = "2.0.0"
 dependencies = [
 "criterion 0.2.11 (registry+https://github.com/rust-lang/crates.io-index)",
 "impl-trait-for-tuples 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)",
+ "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
 "safe-mix 1.0.0 (registry+https://github.com/rust-lang/crates.io-index)",
 "serde 1.0.101 (registry+https://github.com/rust-lang/crates.io-index)",
 "sr-io 2.0.0",
@@ -4447,7 +4447,7 @@ name = "srml-timestamp"
 version = "2.0.0"
 dependencies = [
 "impl-trait-for-tuples 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)",
+ "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",
 "sr-primitives 2.0.0",
@@ -4462,7 +4462,7 @@ dependencies = [
 name = "srml-treasury"
 version = "2.0.0"
 dependencies = [
- "parity-scale-codec 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
 "serde 1.0.101 (registry+https://github.com/rust-lang/crates.io-index)",
 "sr-io 2.0.0",
 "sr-primitives 2.0.0",
@@ -4554,7 +4554,7 @@ dependencies = [
 "hex-literal 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
 "node-primitives 2.0.0",
 "node-runtime 2.0.0",
- "parity-scale-codec 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
 "rand 0.6.5 (registry+https://github.com/rust-lang/crates.io-index)",
 "rustc-hex 2.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
 "sr-primitives 2.0.0",
@@ -4579,7 +4579,7 @@ dependencies = [
 name = "substrate-application-crypto"
 version = "2.0.0"
 dependencies = [
- "parity-scale-codec 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
 "serde 1.0.101 (registry+https://github.com/rust-lang/crates.io-index)",
 "sr-io 2.0.0",
 "sr-primitives 2.0.0",
@@ -4597,7 +4597,7 @@ dependencies = [
 "futures 0.1.28 (registry+https://github.com/rust-lang/crates.io-index)",
 "libp2p 0.12.0 (registry+https://github.com/rust-lang/crates.io-index)",
 "log 0.4.7 (registry+https://github.com/rust-lang/crates.io-index)",
- "parity-scale-codec 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
 "parking_lot 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
 "prost 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
 "prost-build 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -4617,7 +4617,7 @@ dependencies = [
 name = "substrate-authority-discovery-primitives"
 version = "2.0.0"
 dependencies = [
- "parity-scale-codec 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
 "sr-primitives 2.0.0",
 "sr-std 2.0.0",
 "substrate-client 2.0.0",
@@ -4629,7 +4629,7 @@ version = "2.0.0"
 dependencies = [
 "futures-preview 0.3.0-alpha.18 (registry+https://github.com/rust-lang/crates.io-index)",
 "log 0.4.7 (registry+https://github.com/rust-lang/crates.io-index)",
- "parity-scale-codec 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
 "sr-primitives 2.0.0",
 "substrate-client 2.0.0",
 "substrate-consensus-common 2.0.0",
@@ -4724,7 +4724,7 @@ dependencies = [
 "kvdb 0.1.0 (git+https://github.com/paritytech/parity-common?rev=b0317f649ab2c665b7987b8475878fc4d2e1f81d)",
 "kvdb-memorydb 0.1.0 (git+https://github.com/paritytech/parity-common?rev=b0317f649ab2c665b7987b8475878fc4d2e1f81d)",
 "log 0.4.7 (registry+https://github.com/rust-lang/crates.io-index)",
- "parity-scale-codec 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
 "parking_lot 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
 "sr-api-macros 2.0.0",
 "sr-primitives 2.0.0",
@@ -4754,7 +4754,7 @@ dependencies = [
 "kvdb-rocksdb 0.1.4 (git+https://github.com/paritytech/parity-common?rev=b0317f649ab2c665b7987b8475878fc4d2e1f81d)",
 "linked-hash-map 0.5.2 (registry+https://github.com/rust-lang/crates.io-index)",
 "log 0.4.7 (registry+https://github.com/rust-lang/crates.io-index)",
- "parity-scale-codec 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
 "parking_lot 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
 "sr-primitives 2.0.0",
 "substrate-client 2.0.0",
@@ -4778,7 +4778,7 @@ dependencies = [
 "futures-preview 0.3.0-alpha.18 (registry+https://github.com/rust-lang/crates.io-index)",
 "futures-timer 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
 "log 0.4.7 (registry+https://github.com/rust-lang/crates.io-index)",
- "parity-scale-codec 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
 "parking_lot 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
 "sr-io 2.0.0",
 "sr-primitives 2.0.0",
@@ -4807,7 +4807,7 @@ dependencies = [
 name = "substrate-consensus-aura-primitives"
 version = "2.0.0"
 dependencies = [
- "parity-scale-codec 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
 "sr-primitives 2.0.0",
 "sr-std 2.0.0",
 "substrate-application-crypto 2.0.0",
@@ -4828,7 +4828,7 @@ dependencies = [
 "num-bigint 0.2.3 (registry+https://github.com/rust-lang/crates.io-index)",
 "num-rational 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
 "num-traits 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
- "parity-scale-codec 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
 "parking_lot 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
 "pdqselect 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)",
 "rand 0.6.5 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -4861,7 +4861,7 @@ dependencies = [
 name = "substrate-consensus-babe-primitives"
 version = "2.0.0"
 dependencies = [
- "parity-scale-codec 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "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)",
 "sr-primitives 2.0.0",
 "sr-std 2.0.0",
@@ -4879,7 +4879,7 @@ dependencies = [
 "futures-timer 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
 "libp2p 0.12.0 (registry+https://github.com/rust-lang/crates.io-index)",
 "log 0.4.7 (registry+https://github.com/rust-lang/crates.io-index)",
- "parity-scale-codec 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
 "parking_lot 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
 "sr-primitives 2.0.0",
 "sr-std 2.0.0",
@@ -4895,7 +4895,7 @@ version = "2.0.0"
 dependencies = [
 "futures-preview 0.3.0-alpha.18 (registry+https://github.com/rust-lang/crates.io-index)",
 "log 0.4.7 (registry+https://github.com/rust-lang/crates.io-index)",
- "parity-scale-codec 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
 "sr-primitives 2.0.0",
 "srml-timestamp 2.0.0",
 "substrate-client 2.0.0",
@@ -4923,7 +4923,7 @@ dependencies = [
 "exit-future 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)",
 "futures 0.1.28 (registry+https://github.com/rust-lang/crates.io-index)",
 "log 0.4.7 (registry+https://github.com/rust-lang/crates.io-index)",
- "parity-scale-codec 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
 "parking_lot 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
 "rhododendron 0.7.0 (registry+https://github.com/rust-lang/crates.io-index)",
 "sr-io 2.0.0",
@@ -4946,7 +4946,7 @@ dependencies = [
 "futures-preview 0.3.0-alpha.18 (registry+https://github.com/rust-lang/crates.io-index)",
 "futures-timer 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
 "log 0.4.7 (registry+https://github.com/rust-lang/crates.io-index)",
- "parity-scale-codec 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
 "parking_lot 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
 "sr-primitives 2.0.0",
 "substrate-client 2.0.0",
@@ -4980,7 +4980,7 @@ dependencies = [
 "lazy_static 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
 "libsecp256k1 0.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
 "log 0.4.7 (registry+https://github.com/rust-lang/crates.io-index)",
- "parity-scale-codec 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
 "parity-wasm 0.40.2 (registry+https://github.com/rust-lang/crates.io-index)",
 "parking_lot 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
 "sr-io 2.0.0",
@@ -5009,7 +5009,7 @@ dependencies = [
 "futures 0.1.28 (registry+https://github.com/rust-lang/crates.io-index)",
 "futures-preview 0.3.0-alpha.18 (registry+https://github.com/rust-lang/crates.io-index)",
 "log 0.4.7 (registry+https://github.com/rust-lang/crates.io-index)",
- "parity-scale-codec 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
 "parking_lot 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
 "rand 0.6.5 (registry+https://github.com/rust-lang/crates.io-index)",
 "serde_json 1.0.40 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -5036,7 +5036,7 @@ dependencies = [
 name = "substrate-finality-grandpa-primitives"
 version = "2.0.0"
 dependencies = [
- "parity-scale-codec 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
 "serde 1.0.101 (registry+https://github.com/rust-lang/crates.io-index)",
 "sr-primitives 2.0.0",
 "sr-std 2.0.0",
@@ -5048,7 +5048,7 @@ dependencies = [
 name = "substrate-inherents"
 version = "2.0.0"
 dependencies = [
- "parity-scale-codec 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
 "parking_lot 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
 "sr-primitives 2.0.0",
 "sr-std 2.0.0",
@@ -5100,7 +5100,7 @@ dependencies = [
 "linked_hash_set 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)",
 "log 0.4.7 (registry+https://github.com/rust-lang/crates.io-index)",
 "lru-cache 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "parity-scale-codec 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
 "parking_lot 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
 "quickcheck 0.8.5 (registry+https://github.com/rust-lang/crates.io-index)",
 "rand 0.6.5 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -5141,7 +5141,7 @@ dependencies = [
 "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 0.4.7 (registry+https://github.com/rust-lang/crates.io-index)",
- "parity-scale-codec 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
 "parking_lot 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
 "rand 0.7.2 (registry+https://github.com/rust-lang/crates.io-index)",
 "sr-primitives 2.0.0",
@@ -5213,10 +5213,10 @@ dependencies = [
 "lazy_static 1.3.0 (registry+https://github.com/rust-lang/crates.io-index)",
 "log 0.4.7 (registry+https://github.com/rust-lang/crates.io-index)",
 "num-traits 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
- "parity-scale-codec 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
 "parking_lot 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
 "pretty_assertions 0.6.1 (registry+https://github.com/rust-lang/crates.io-index)",
- "primitive-types 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
+ "primitive-types 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)",
 "rand 0.6.5 (registry+https://github.com/rust-lang/crates.io-index)",
 "regex 1.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
 "rustc-hex 2.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -5243,7 +5243,7 @@ dependencies = [
 "jsonrpc-core 13.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
 "jsonrpc-pubsub 13.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
 "log 0.4.7 (registry+https://github.com/rust-lang/crates.io-index)",
- "parity-scale-codec 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
 "rustc-hex 2.0.1 (registry+https://github.com/rust-lang/crates.io-index)",
 "serde_json 1.0.40 (registry+https://github.com/rust-lang/crates.io-index)",
 "sr-io 2.0.0",
@@ -5274,7 +5274,7 @@ dependencies = [
 "jsonrpc-derive 13.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
 "jsonrpc-pubsub 13.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
 "log 0.4.7 (registry+https://github.com/rust-lang/crates.io-index)",
- "parity-scale-codec 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
 "parking_lot 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
 "serde 1.0.101 (registry+https://github.com/rust-lang/crates.io-index)",
 "serde_json 1.0.40 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -5340,7 +5340,7 @@ dependencies = [
 "node-primitives 2.0.0",
 "node-runtime 2.0.0",
 "parity-multiaddr 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)",
- "parity-scale-codec 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
 "parking_lot 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
 "serde 1.0.101 (registry+https://github.com/rust-lang/crates.io-index)",
 "serde_json 1.0.40 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -5409,7 +5409,7 @@ version = "2.0.0"
 dependencies = [
 "env_logger 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)",
 "log 0.4.7 (registry+https://github.com/rust-lang/crates.io-index)",
- "parity-scale-codec 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
 "parking_lot 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
 "substrate-primitives 2.0.0",
 ]
@@ -5422,7 +5422,7 @@ dependencies = [
 "hex-literal 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
 "log 0.4.7 (registry+https://github.com/rust-lang/crates.io-index)",
 "num-traits 0.2.8 (registry+https://github.com/rust-lang/crates.io-index)",
- "parity-scale-codec 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
 "parking_lot 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
 "rand 0.7.2 (registry+https://github.com/rust-lang/crates.io-index)",
 "substrate-panic-handler 2.0.0",
@@ -5459,7 +5459,7 @@ version = "2.0.0"
 dependencies = [
 "futures-preview 0.3.0-alpha.18 (registry+https://github.com/rust-lang/crates.io-index)",
 "hash-db 0.15.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "parity-scale-codec 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
 "sr-primitives 2.0.0",
 "substrate-client 2.0.0",
 "substrate-client-db 2.0.0",
@@ -5477,7 +5477,7 @@ dependencies = [
 "cfg-if 0.1.9 (registry+https://github.com/rust-lang/crates.io-index)",
 "log 0.4.7 (registry+https://github.com/rust-lang/crates.io-index)",
 "memory-db 0.15.2 (registry+https://github.com/rust-lang/crates.io-index)",
- "parity-scale-codec 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
 "serde 1.0.101 (registry+https://github.com/rust-lang/crates.io-index)",
 "sr-io 2.0.0",
 "sr-primitives 2.0.0",
@@ -5509,7 +5509,7 @@ dependencies = [
 name = "substrate-test-runtime-client"
 version = "2.0.0"
 dependencies = [
- "parity-scale-codec 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
 "sr-primitives 2.0.0",
 "substrate-primitives 2.0.0",
 "substrate-test-client 2.0.0",
@@ -5525,7 +5525,7 @@ dependencies = [
 "env_logger 0.6.2 (registry+https://github.com/rust-lang/crates.io-index)",
 "futures-preview 0.3.0-alpha.18 (registry+https://github.com/rust-lang/crates.io-index)",
 "log 0.4.7 (registry+https://github.com/rust-lang/crates.io-index)",
- "parity-scale-codec 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
 "parking_lot 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
 "serde 1.0.101 (registry+https://github.com/rust-lang/crates.io-index)",
 "sr-primitives 2.0.0",
@@ -5540,7 +5540,7 @@ dependencies = [
 "derive_more 0.14.1 (registry+https://github.com/rust-lang/crates.io-index)",
 "futures-preview 0.3.0-alpha.18 (registry+https://github.com/rust-lang/crates.io-index)",
 "log 0.4.7 (registry+https://github.com/rust-lang/crates.io-index)",
- "parity-scale-codec 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
 "parking_lot 0.9.0 (registry+https://github.com/rust-lang/crates.io-index)",
 "sr-primitives 2.0.0",
 "substrate-client 2.0.0",
@@ -5559,7 +5559,7 @@ dependencies = [
 "hex-literal 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)",
 "keccak-hasher 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)",
- "parity-scale-codec 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
 "sr-std 2.0.0",
 "substrate-primitives 2.0.0",
 "trie-bench 0.16.2 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -5977,7 +5977,7 @@ name = "transaction-factory"
 version = "0.0.1"
 dependencies = [
 "log 0.4.7 (registry+https://github.com/rust-lang/crates.io-index)",
- "parity-scale-codec 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
 "sr-primitives 2.0.0",
 "substrate-cli 2.0.0",
 "substrate-client 2.0.0",
@@ -5995,7 +5995,7 @@ dependencies = [
 "hash-db 0.15.2 (registry+https://github.com/rust-lang/crates.io-index)",
 "keccak-hasher 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)",
- "parity-scale-codec 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)",
+ "parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)",
 "trie-db 0.15.2 (registry+https://github.com/rust-lang/crates.io-index)",
 "trie-root 0.15.2 (registry+https://github.com/rust-lang/crates.io-index)",
 "trie-standardmap 0.15.2 (registry+https://github.com/rust-lang/crates.io-index)",
@@ -6712,9 +6712,9 @@ dependencies = [
 "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 idna 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "02e2673c30ee86b5b96a9cb52ad15718aa1f966f5ab9ad54a8b95d5ca33120a9"
-"checksum impl-codec 0.4.0 (registry+https://github.com/rust-lang/crates.io-index)" = "78c441b3d2b5e24b407161e76d482b7bbd29b5da357707839ac40d95152f031f"
+"checksum impl-codec 0.4.1 (registry+https://github.com/rust-lang/crates.io-index)" = "3fa0086251524c50fd53b32e7b05eb6d79e2f97221eaf0c53c0ca9c3096f21d3"
 "checksum impl-serde 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "5158079de9d4158e0ce1de3ae0bd7be03904efc40b3d7dd8b8c301cbf6b52b56"
-"checksum impl-serde 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "7d26be4b97d738552ea423f76c4f681012ff06c3fa36fa968656b3679f60b4a1"
+"checksum impl-serde 0.2.1 (registry+https://github.com/rust-lang/crates.io-index)" = "bbb1ea6188aca47a0eaeeb330d8a82f16cd500f30b897062d23922568727333a"
 "checksum impl-trait-for-tuples 0.1.1 (registry+https://github.com/rust-lang/crates.io-index)" = "7b0df44cb13008e863c3d80788d5f4cb0f94d09b31bb0190a8ecc05151b2ac8a"
 "checksum indexmap 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)" = "7e81a7c05f79578dbc15793d8b619db9ba32b4577003ef3af1a91c416798c58d"
 "checksum integer-sqrt 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)" = "ea155abb3ba6f382a75f1418988c05fe82959ed9ce727de427f9cfd425b0c903"
@@ -6817,8 +6817,8 @@ dependencies = [
 "checksum parity-bytes 0.1.0 (git+https://github.com/paritytech/parity-common?rev=b0317f649ab2c665b7987b8475878fc4d2e1f81d)" = "<none>"
 "checksum parity-multiaddr 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)" = "045b3c7af871285146300da35b1932bb6e4639b66c7c98e85d06a32cbc4e8fa7"
 "checksum parity-multihash 0.1.3 (registry+https://github.com/rust-lang/crates.io-index)" = "df3a17dc27848fd99e4f87eb0f8c9baba6ede0a6d555400c850ca45254ef4ce3"
-"checksum parity-scale-codec 1.0.5 (registry+https://github.com/rust-lang/crates.io-index)" = "65582b5c02128a4b0fa60fb3e070216e9c84be3e4a8f1b74bc37e15a25e58daf"
+"checksum parity-scale-codec 1.0.6 (registry+https://github.com/rust-lang/crates.io-index)" = "001fbbb956d8593f321c7a784f64d16b2c99b2657823976eea729006ad2c3668"
-"checksum parity-scale-codec-derive 1.0.2 (registry+https://github.com/rust-lang/crates.io-index)" = "a81f3cd93ed368a8e41c4e79538e99ca6e8f536096de23e3a0bc3e782093ce28"
+"checksum parity-scale-codec-derive 1.0.3 (registry+https://github.com/rust-lang/crates.io-index)" = "42af752f59119656fa3cb31e8852ed24e895b968c0bdb41847da7f0cea6d155f"
 "checksum parity-send-wrapper 0.1.0 (registry+https://github.com/rust-lang/crates.io-index)" = "aa9777aa91b8ad9dd5aaa04a9b6bcb02c7f1deb952fca5a66034d5e63afc5c6f"
 "checksum parity-util-mem 0.2.0 (registry+https://github.com/rust-lang/crates.io-index)" = "e2005637ccf93dbb60c85081ccaaf3f945f573da48dcc79f27f9646caa3ec1dc"
 "checksum parity-wasm 0.40.2 (registry+https://github.com/rust-lang/crates.io-index)" = "49d1e33551976be5345d2ecbfe995830719746c7f0902f0880a13d40e215f851"
@@ -6844,7 +6844,7 @@ dependencies = [
 "checksum pkg-config 0.3.15 (registry+https://github.com/rust-lang/crates.io-index)" = "a7c1d2cfa5a714db3b5f24f0915e74fcdf91d09d496ba61329705dda7774d2af"
 "checksum ppv-lite86 0.2.5 (registry+https://github.com/rust-lang/crates.io-index)" = "e3cbf9f658cdb5000fcf6f362b8ea2ba154b9f146a61c7a20d647034c6b6561b"
 "checksum pretty_assertions 0.6.1 (registry+https://github.com/rust-lang/crates.io-index)" = "3f81e1644e1b54f5a68959a29aa86cde704219254669da328ecfdf6a1f09d427"
-"checksum primitive-types 0.5.0 (registry+https://github.com/rust-lang/crates.io-index)" = "e44400d651ca5276415dc8e00541c5c9d03844f1f0a87ad28f0a8fadcb2300bc"
+"checksum primitive-types 0.5.1 (registry+https://github.com/rust-lang/crates.io-index)" = "83ef7b3b965c0eadcb6838f34f827e1dfb2939bdd5ebd43f9647e009b12b0371"
 "checksum proc-macro-crate 0.1.4 (registry+https://github.com/rust-lang/crates.io-index)" = "e10d4b51f154c8a7fb96fd6dad097cb74b863943ec010ac94b9fd1be8861fe1e"
 "checksum proc-macro-hack 0.5.8 (registry+https://github.com/rust-lang/crates.io-index)" = "982a35d1194084ba319d65c4a68d24ca28f5fdb5b8bc20899e4eef8641ea5178"
 "checksum proc-macro2 0.4.30 (registry+https://github.com/rust-lang/crates.io-index)" = "cf3d2011ab5c909338f7887f4fc896d35932e29146c12c8d01da6b22a80ba759"
@@ -11,7 +11,7 @@ rustc-hex = { version = "2.0", default-features = false }
 serde = { version = "1.0", optional = true, features = ["derive"] }
 twox-hash = { version = "1.2.0", optional = true }
 byteorder = { version = "1.3.1", default-features = false }
-primitive-types = { version = "0.5.0", default-features = false, features = ["codec"] }
+primitive-types = { version = "0.5.1", default-features = false, features = ["codec"] }
 impl-serde = { version = "0.1", optional = true }
 log = { version = "0.4", optional = true }
 wasmi = { version = "0.5.0", optional = true }
@@ -20,7 +20,7 @@ impl-trait-for-tuples = "0.1.1"
 [dev-dependencies]
 serde_json = "1.0"
-primitive-types = "0.5.0"
+primitive-types = "0.5.1"
 rand = "0.7.2"
 [features]
@@ -21,7 +21,7 @@ use std::fmt;
 use rstd::prelude::*;
 use runtime_io::blake2_256;
-use codec::{Decode, Encode, Input, Error};
+use codec::{Decode, Encode, EncodeLike, Input, Error};
 use crate::{
 	traits::{self, Member, MaybeDisplay, SignedExtension, Checkable, Extrinsic},
 	generic::CheckedExtrinsic, transaction_validity::{TransactionValidityError, InvalidTransaction},
@@ -185,6 +185,12 @@ impl<Call, Extra> Encode for SignedPayload<Call, Extra> where
 	}
 }
 impl<Call, Extra> EncodeLike for SignedPayload<Call, Extra>
 where
 	Call: Encode,
 	Extra: SignedExtension,
 {}
 impl<Address, Call, Signature, Extra> Decode
 	for UncheckedExtrinsic<Address, Call, Signature, Extra>
 where
@@ -240,6 +246,15 @@ where
 	}
 }
 impl<Address, Call, Signature, Extra> EncodeLike
 	for UncheckedExtrinsic<Address, Call, Signature, Extra>
 where
 	Address: Encode,
 	Signature: Encode,
 	Call: Encode,
 	Extra: SignedExtension,
 {}
 #[cfg(feature = "std")]
 impl<Address: Encode, Signature: Encode, Call: Encode, Extra: SignedExtension> serde::Serialize
 	for UncheckedExtrinsic<Address, Call, Signature, Extra>
@@ -85,7 +85,7 @@ pub const VERSION: RuntimeVersion = RuntimeVersion {
 	// implementation changes and behavior does not, then leave spec_version as
 	// is and increment impl_version.
 	spec_version: 168,
-	impl_version: 168,
+	impl_version: 169,
 	apis: RUNTIME_API_VERSIONS,
 };
@@ -159,7 +159,7 @@ decl_module! {
 			let id = Self::next_asset_id();
 			<NextAssetId<T>>::mutate(|id| *id += One::one());
-			<Balances<T>>::insert((id, origin.clone()), total);
+			<Balances<T>>::insert((id, &origin), total);
 			<TotalSupply<T>>::insert(id, total);
 			Self::deposit_event(RawEvent::Issued(id, origin, total));
@@ -186,7 +186,7 @@ decl_module! {
 		/// Destroy any assets of `id` owned by `origin`.
 		fn destroy(origin, #[compact] id: T::AssetId) {
 			let origin = ensure_signed(origin)?;
-			let balance = <Balances<T>>::take((id, origin.clone()));
+			let balance = <Balances<T>>::take((id, &origin));
 			ensure!(!balance.is_zero(), "origin balance should be non-zero");
 			<TotalSupply<T>>::mutate(id, |total_supply| *total_supply -= balance);
@@ -177,7 +177,7 @@ impl<T: Trait> Module<T> {
 	fn initialize_authorities(authorities: &[T::AuthorityId]) {
 		if !authorities.is_empty() {
 			assert!(<Authorities<T>>::get().is_empty(), "Authorities are already initialized!");
-			<Authorities<T>>::put_ref(authorities);
+			<Authorities<T>>::put(authorities);
 		}
 	}
 }
@@ -29,13 +29,13 @@
 #![cfg_attr(not(feature = "std"), no_std)]
 use app_crypto::RuntimeAppPublic;
-use codec::{Decode, Encode};
+use codec::FullCodec;
 use rstd::prelude::*;
 use support::{decl_module, decl_storage};
 /// The module's config trait.
 pub trait Trait: system::Trait + session::Trait {
-	type AuthorityId: RuntimeAppPublic + Default + Decode + Encode + PartialEq;
+	type AuthorityId: RuntimeAppPublic + Default + FullCodec + PartialEq;
 }
 decl_storage! {
@@ -102,7 +102,7 @@ impl<T: Trait> Module<T> {
 	fn initialize_keys(keys: &[T::AuthorityId]) {
 		if !keys.is_empty() {
 			assert!(Keys::<T>::get().is_empty(), "Keys are already initialized!");
-			Keys::<T>::put_ref(keys);
+			Keys::<T>::put(keys);
 		}
 	}
 }
@@ -358,7 +358,7 @@ impl<T: Trait> Module<T> {
 		} else {
 			// move onto the next segment and update the index.
 			let segment_idx = segment_idx + 1;
-			<UnderConstruction>::insert(&segment_idx, vec![*vrf_output].as_ref());
+			<UnderConstruction>::insert(&segment_idx, &vec![*vrf_output]);
 			<SegmentIndex>::put(&segment_idx);
 		}
 	}
@@ -438,7 +438,7 @@ impl<T: Trait> Module<T> {
 	fn initialize_authorities(authorities: &[(AuthorityId, BabeAuthorityWeight)]) {
 		if !authorities.is_empty() {
 			assert!(Authorities::get().is_empty(), "Authorities are already initialized!");
-			Authorities::put_ref(authorities);
+			Authorities::put(authorities);
 		}
 	}
 }
@@ -281,7 +281,7 @@ impl<T: Trait<I>, I: Instance> ChangeMembers<T::AccountId> for Module<T, I> {
 				}
 			);
 		}
-		<Members<T, I>>::put_ref(new);
+		<Members<T, I>>::put(new);
 	}
 }
@@ -289,7 +289,7 @@ impl<T: Trait<I>, I: Instance> InitializeMembers<T::AccountId> for Module<T, I>
 	fn initialize_members(members: &[T::AccountId]) {
 		if !members.is_empty() {
 			assert!(<Members<T, I>>::get().is_empty(), "Members are already initialized!");
-			<Members<T, I>>::put_ref(members);
+			<Members<T, I>>::put(members);
 		}
 	}
 }
@@ -98,7 +98,7 @@ pub fn load<T: Trait>(
 		let original_code =
 			<PristineCode<T>>::get(code_hash).ok_or_else(|| "pristine code is not found")?;
 		prefab_module = prepare::prepare_contract::<Env>(&original_code, schedule)?;
-		<CodeStorage<T>>::insert(code_hash, prefab_module.clone());
+		<CodeStorage<T>>::insert(&code_hash, &prefab_module);
 	}
 	Ok(prefab_module)
 }
@@ -24,7 +24,7 @@ use sr_primitives::{
 	traits::{Zero, Bounded, CheckedMul, CheckedDiv, EnsureOrigin, Hash, Dispatchable},
 	weights::SimpleDispatchInfo,
 };
-use codec::{Encode, Decode, Input, Output, Error};
+use codec::{Ref, Encode, Decode, Input, Output, Error};
 use support::{
 	decl_module, decl_storage, decl_event, ensure,
 	Parameter,
@@ -377,10 +377,10 @@ decl_module! {
 			let index = Self::public_prop_count();
 			PublicPropCount::put(index + 1);
-			<DepositOf<T>>::insert(index, (value, vec![who.clone()]));
+			<DepositOf<T>>::insert(index, (value, &[&who][..]));
-			let new_prop = (index, (*proposal).clone(), who);
+			let new_prop = (index, proposal, who);
-			<PublicProps<T>>::append_or_put([new_prop].into_iter());
+			<PublicProps<T>>::append_or_put(&[Ref::from(&new_prop)][..]);
 			Self::deposit_event(RawEvent::Proposed(index, value));
 		}
@@ -609,7 +609,7 @@ decl_module! {
 		#[weight = SimpleDispatchInfo::FixedNormal(500_000)]
 		pub fn delegate(origin, to: T::AccountId, conviction: Conviction) {
 			let who = ensure_signed(origin)?;
-			<Delegations<T>>::insert(who.clone(), (to.clone(), conviction));
+			<Delegations<T>>::insert(&who, (&to, conviction));
 			// Currency is locked indefinitely as long as it's delegated.
 			T::Currency::extend_lock(
 				DEMOCRACY_ID,
@@ -788,10 +788,10 @@ impl<T: Trait> Module<T> {
 	/// Actually enact a vote, if legit.
 	fn do_vote(who: T::AccountId, ref_index: ReferendumIndex, vote: Vote) -> Result {
 		ensure!(Self::is_active_referendum(ref_index), "vote given for invalid referendum.");
-		if !<VoteOf<T>>::exists(&(ref_index, who.clone())) {
+		if !<VoteOf<T>>::exists((ref_index, &who)) {
-			<VotersFor<T>>::append_or_insert(ref_index, [who.clone()].into_iter());
+			<VotersFor<T>>::append_or_insert(ref_index, &[&who][..]);
 		}
-		<VoteOf<T>>::insert(&(ref_index, who), vote);
+		<VoteOf<T>>::insert((ref_index, &who), vote);
 		Ok(())
 	}
@@ -929,7 +929,7 @@ impl<T: Trait> Module<T> {
 			} else {
 				<DispatchQueue<T>>::append_or_insert(
 					now + info.delay,
-					[Some((info.proposal, index))].into_iter()
+					&[Some((info.proposal, index))][..]
 				);
 			}
 		} else {
@@ -539,7 +539,7 @@ impl<T: Trait> Module<T> {
 			// sort and save the members.
 			new_members.sort();
-			<Members<T>>::put(new_members.clone());
+			<Members<T>>::put(&new_members);
 			// save the runners as-is
 			<RunnersUp<T>>::put(runners_up);
@@ -816,7 +816,7 @@ impl<T: Trait> Module<T> {
 					if set_len + 1 == VOTER_SET_SIZE {
 						NextVoterSet::put(next + 1);
 					}
-					<Voters<T>>::append_or_insert(next, [Some(who.clone())].into_iter())
+					<Voters<T>>::append_or_insert(next, &[Some(who.clone())][..])
 				}
 			}
@@ -862,7 +862,7 @@ impl<T: Trait> Module<T> {
 			// initialize leaderboard.
 			let leaderboard_size = empty_seats + T::CarryCount::get() as usize;
-			<Leaderboard<T>>::put(vec![(Zero::zero(), T::AccountId::default()); leaderboard_size]);
+			<Leaderboard<T>>::put(vec![(BalanceOf::<T>::zero(), T::AccountId::default()); leaderboard_size]);
 			Self::deposit_event(RawEvent::TallyStarted(empty_seats as u32));
 		}
@@ -1027,7 +1027,7 @@ impl<T: Trait> Module<T> {
 			.chunks(APPROVAL_SET_SIZE)
 			.enumerate()
 			.for_each(|(index, slice)| <ApprovalsOf<T>>::insert(
-				(who.clone(), index as SetIndex), slice.to_vec())
+				(&who, index as SetIndex), slice)
 			);
 	}
@@ -333,7 +333,7 @@ impl<T: Trait> Module<T> {
 	fn initialize_authorities(authorities: &[(AuthorityId, AuthorityWeight)]) {
 		if !authorities.is_empty() {
 			assert!(Authorities::get().is_empty(), "Authorities are already initialized!");
-			Authorities::put_ref(authorities);
+			Authorities::put(authorities);
 		}
 	}
 }
@@ -418,7 +418,7 @@ impl<T: Trait> Module<T> {
 	fn initialize_keys(keys: &[T::AuthorityId]) {
 		if !keys.is_empty() {
 			assert!(Keys::<T>::get().is_empty(), "Keys are already initialized!");
-			Keys::<T>::put_ref(keys);
+			Keys::<T>::put(keys);
 		}
 	}
 }
@@ -88,7 +88,7 @@ mod mock;
 #[cfg(test)]
 mod tests;
-use codec::{Encode, Decode};
+use codec::FullCodec;
 use rstd::prelude::*;
 use support::{
 	StorageValue, StorageMap, decl_module, decl_storage, decl_event, ensure,
@@ -117,7 +117,7 @@ pub trait Trait<I=DefaultInstance>: system::Trait {
 	type Currency: Currency<Self::AccountId> + ReservableCurrency<Self::AccountId>;
 	/// The score attributed to a member or candidate.
-	type Score: SimpleArithmetic + Clone + Copy + Default + Encode + Decode + MaybeSerializeDebug;
+	type Score: SimpleArithmetic + Clone + Copy + Default + FullCodec + MaybeSerializeDebug;
 	/// The overarching event type.
 	type Event: From<Event<Self, I>> + Into<<Self as system::Trait>::Event>;
@@ -640,15 +640,15 @@ impl<T: Trait> Module<T> {
 	}
 	fn key_owner(id: KeyTypeId, key_data: &[u8]) -> Option<T::ValidatorId> {
-		<KeyOwner<T>>::get(DEDUP_KEY_PREFIX, &(id, key_data.to_vec()))
+		<KeyOwner<T>>::get(DEDUP_KEY_PREFIX, (id, key_data))
 	}
 	fn put_key_owner(id: KeyTypeId, key_data: &[u8], v: &T::ValidatorId) {
-		<KeyOwner<T>>::insert(DEDUP_KEY_PREFIX, &(id, key_data.to_vec()), v)
+		<KeyOwner<T>>::insert(DEDUP_KEY_PREFIX, (id, key_data), v)
 	}
 	fn clear_key_owner(id: KeyTypeId, key_data: &[u8]) {
-		<KeyOwner<T>>::remove(DEDUP_KEY_PREFIX, &(id, key_data.to_vec()));
+		<KeyOwner<T>>::remove(DEDUP_KEY_PREFIX, (id, key_data));
 	}
 }
@@ -722,7 +722,7 @@ decl_module! {
 			// You're auto-bonded forever, here. We might improve this by only bonding when
 			// you actually validate/nominate and remove once you unbond __everything__.
-			<Bonded<T>>::insert(&stash, controller.clone());
+			<Bonded<T>>::insert(&stash, &controller);
 			<Payee<T>>::insert(&stash, payee);
 			let stash_balance = T::Currency::free_balance(&stash);
@@ -1339,7 +1339,7 @@ impl<T: Trait> Module<T> {
 				if exposure.total < slot_stake {
 					slot_stake = exposure.total;
 				}
-				<Stakers<T>>::insert(c.clone(), exposure.clone());
+				<Stakers<T>>::insert(&c, exposure.clone());
 			}
 			// Update slot stake.
@@ -6,7 +6,7 @@ edition = "2018"
 [dependencies]
 serde = { version = "1.0", optional = true, features = ["derive"] }
-codec = { package = "parity-scale-codec", version = "1.0.5", default-features = false, features = ["derive"] }
+codec = { package = "parity-scale-codec", version = "1.0.6", default-features = false, features = ["derive"] }
 srml-metadata = { path = "../metadata", default-features = false }
 rstd = { package = "sr-std", path = "../../core/sr-std", default-features = false }
 runtime-io ={ package = "sr-io", path = "../../core/sr-io", default-features = false }
@@ -338,7 +338,7 @@ fn decl_store_extra_genesis(
 						<
 							#name<#struct_trait #instance> as
 							#scrate::storage::StorageValue<#typ>
-						>::put(&v);
+						>::put::<#typ>(v);
 					}}
 				},
 				DeclStorageTypeInfosKind::Map { key_type, is_linked, .. } => {
@@ -363,7 +363,7 @@ fn decl_store_extra_genesis(
 							<
 								#name<#struct_trait #instance> as
 								#scrate::storage::#map<#key_type, #typ>
-							>::insert(&k, &v);
+							>::insert::<#key_type, #typ>(k, v);
 						});
 					}}
 				},
@@ -384,7 +384,7 @@ fn decl_store_extra_genesis(
 							<
 								#name<#struct_trait #instance> as
 								#scrate::storage::StorageDoubleMap<#key1_type, #key2_type, #typ>
-							>::insert(&k1, &k2, &v);
+							>::insert::<#key1_type, #key2_type, #typ>(k1, k2, v);
 						});
 					}}
 				},
@@ -927,11 +927,11 @@ fn impl_store_fns(
 					quote!{
 						#( #[ #attrs ] )*
-						pub fn #get_fn<K: #scrate::rstd::borrow::Borrow<#key_type>>(key: K) -> #value_type {
+						pub fn #get_fn<K: #scrate::codec::EncodeLike<#key_type>>(key: K) -> #value_type {
 							<
 								#name<#struct_trait #instance> as
 								#scrate::storage::#map<#key_type, #typ>
-							>::get(key.borrow())
+							>::get(key)
 						}
 					}
 				}
@@ -946,12 +946,10 @@ fn impl_store_fns(
 					};
 					quote!{
-						pub fn #get_fn<KArg1, KArg2>(k1: &KArg1, k2: &KArg2) -> #value_type
+						pub fn #get_fn<KArg1, KArg2>(k1: KArg1, k2: KArg2) -> #value_type
 						where
-							#key1_type: #scrate::rstd::borrow::Borrow<KArg1>,
+							KArg1: #scrate::codec::EncodeLike<#key1_type>,
-							#key2_type: #scrate::rstd::borrow::Borrow<KArg2>,
+							KArg2: #scrate::codec::EncodeLike<#key2_type>,
 							KArg1: ?Sized + #scrate::codec::Encode,
 							KArg2: ?Sized + #scrate::codec::Encode,
 						{
 							<
 								#name<#struct_trait #instance> as
@@ -20,7 +20,7 @@
 pub use crate::rstd::{result, prelude::{Vec, Clone, Eq, PartialEq}, marker};
 #[cfg(feature = "std")]
 pub use std::fmt;
-pub use crate::codec::{Codec, Decode, Encode, Input, Output, HasCompact, EncodeAsRef};
+pub use crate::codec::{Codec, EncodeLike, Decode, Encode, Input, Output, HasCompact, EncodeAsRef};
 pub use srml_metadata::{
 	FunctionMetadata, DecodeDifferent, DecodeDifferentArray, FunctionArgumentMetadata,
 	ModuleConstantMetadata, DefaultByte, DefaultByteGetter,
@@ -49,16 +49,16 @@ pub trait Callable<T> {
 pub type CallableCallFor<A, T> = <A as Callable<T>>::Call;
 #[cfg(feature = "std")]
-pub trait Parameter: Codec + Clone + Eq + fmt::Debug {}
+pub trait Parameter: Codec + EncodeLike + Clone + Eq + fmt::Debug {}
 #[cfg(feature = "std")]
-impl<T> Parameter for T where T: Codec + Clone + Eq + fmt::Debug {}
+impl<T> Parameter for T where T: Codec + EncodeLike + Clone + Eq + fmt::Debug {}
 #[cfg(not(feature = "std"))]
-pub trait Parameter: Codec + Clone + Eq {}
+pub trait Parameter: Codec + EncodeLike + Clone + Eq {}
 #[cfg(not(feature = "std"))]
-impl<T> Parameter for T where T: Codec + Clone + Eq {}
+impl<T> Parameter for T where T: Codec + EncodeLike + Clone + Eq {}
 /// Declares a `Module` struct and a `Call` enum, which implements the dispatch logic.
 ///
@@ -235,7 +235,7 @@ pub use serde::{Serialize, Deserialize};
 #[cfg(test)]
 mod tests {
 	use super::*;
-	use codec::Codec;
+	use codec::{Codec, EncodeLike};
 	use runtime_io::with_externalities;
 	use primitives::Blake2Hasher;
 	pub use srml_metadata::{
@@ -245,7 +245,7 @@ mod tests {
 	pub use rstd::marker::PhantomData;
 	pub trait Trait {
-		type BlockNumber: Codec + Default;
+		type BlockNumber: Codec + EncodeLike + Default;
 		type Origin;
 	}
@@ -21,7 +21,8 @@
 //! avoid collision from a resistant hash function (which unique implies)).
 // NOTE: could replace unhashed by having only one kind of storage (root being null storage key (storage_key can become Option<&[u8]>).
-use super::{Codec, Encode, Decode, Vec};
+use crate::rstd::prelude::*;
 use codec::{Codec, Encode, Decode};
 /// Return the value of the item in storage under `key`, or `None` if there is no explicit entry.
 pub fn get<T: Decode + Sized>(storage_key: &[u8], key: &[u8]) -> Option<T> {
@@ -16,7 +16,7 @@
 use rstd::prelude::*;
 use rstd::borrow::Borrow;
-use codec::{Codec, Encode, EncodeAppend};
+use codec::{Ref, FullCodec, FullEncode, Encode, EncodeLike, EncodeAppend};
 use crate::{storage::{self, unhashed}, hash::StorageHasher};
 /// Generator for `StorageDoubleMap` used by `decl_storage`.
@@ -39,7 +39,7 @@ use crate::{storage::{self, unhashed}, hash::StorageHasher};
 /// If the key2s are not trusted (e.g. can be set by a user), a cryptographic `hasher` such as
 /// `blake2_256` must be used for Hasher2. Otherwise, other items in storage with the same first
 /// key can be compromised.
-pub trait StorageDoubleMap<K1: Encode, K2: Encode, V: Codec> {
+pub trait StorageDoubleMap<K1: FullEncode, K2: FullEncode, V: FullCodec> {
 	/// The type that get/take returns.
 	type Query;
@@ -59,10 +59,9 @@ pub trait StorageDoubleMap<K1: Encode, K2: Encode, V: Codec> {
 	fn from_query_to_optional_value(v: Self::Query) -> Option<V>;
 	/// Generate the first part of the key used in top storage.
-	fn storage_double_map_final_key1<KArg1>(k1: &KArg1) -> <Self::Hasher1 as StorageHasher>::Output
+	fn storage_double_map_final_key1<KArg1>(k1: KArg1) -> <Self::Hasher1 as StorageHasher>::Output
 	where
-		KArg1: ?Sized + Encode,
+		KArg1: EncodeLike<K1>,
 		K1: Borrow<KArg1>,
 	{
 		let mut final_key1 = Self::key1_prefix().to_vec();
 		k1.encode_to(&mut final_key1);
@@ -70,12 +69,10 @@ pub trait StorageDoubleMap<K1: Encode, K2: Encode, V: Codec> {
 	}
 	/// Generate the full key used in top storage.
-	fn storage_double_map_final_key<KArg1, KArg2>(k1: &KArg1, k2: &KArg2) -> Vec<u8>
+	fn storage_double_map_final_key<KArg1, KArg2>(k1: KArg1, k2: KArg2) -> Vec<u8>
 	where
-		KArg1: ?Sized + Encode,
+		KArg1: EncodeLike<K1>,
-		KArg2: ?Sized + Encode,
+		KArg2: EncodeLike<K2>,
 		K1: Borrow<KArg1>,
 		K2: Borrow<KArg2>,
 	{
 		let mut final_key = Self::storage_double_map_final_key1(k1).as_ref().to_vec();
 		final_key.extend_from_slice(k2.using_encoded(Self::Hasher2::hash).as_ref());
@@ -85,39 +82,33 @@ pub trait StorageDoubleMap<K1: Encode, K2: Encode, V: Codec> {
 impl<K1, K2, V, G> storage::StorageDoubleMap<K1, K2, V> for G
 where
-	K1: Encode,
+	K1: FullEncode,
-	K2: Encode,
+	K2: FullEncode,
-	V: Codec,
+	V: FullCodec,
 	G: StorageDoubleMap<K1, K2, V>,
 {
 	type Query = G::Query;
-	fn exists<KArg1, KArg2>(k1: &KArg1, k2: &KArg2) -> bool
+	fn exists<KArg1, KArg2>(k1: KArg1, k2: KArg2) -> bool
 	where
-		K1: Borrow<KArg1>,
+		KArg1: EncodeLike<K1>,
-		K2: Borrow<KArg2>,
+		KArg2: EncodeLike<K2>,
 		KArg1: ?Sized + Encode,
 		KArg2: ?Sized + Encode,
 	{
 		unhashed::exists(&Self::storage_double_map_final_key(k1, k2))
 	}
-	fn get<KArg1, KArg2>(k1: &KArg1, k2: &KArg2) -> Self::Query
+	fn get<KArg1, KArg2>(k1: KArg1, k2: KArg2) -> Self::Query
 	where
-		K1: Borrow<KArg1>,
+		KArg1: EncodeLike<K1>,
-		K2: Borrow<KArg2>,
+		KArg2: EncodeLike<K2>,
 		KArg1: ?Sized + Encode,
 		KArg2: ?Sized + Encode,
 	{
 		G::from_optional_value_to_query(unhashed::get(&Self::storage_double_map_final_key(k1, k2)))
 	}
-	fn take<KArg1, KArg2>(k1: &KArg1, k2: &KArg2) -> Self::Query
+	fn take<KArg1, KArg2>(k1: KArg1, k2: KArg2) -> Self::Query
 	where
-		K1: Borrow<KArg1>,
+		KArg1: EncodeLike<K1>,
-		K2: Borrow<KArg2>,
+		KArg2: EncodeLike<K2>,
 		KArg1: ?Sized + Encode,
 		KArg2: ?Sized + Encode,
 	{
 		let final_key = Self::storage_double_map_final_key(k1, k2);
@@ -125,62 +116,57 @@ where
 		G::from_optional_value_to_query(value)
 	}
-	fn insert<KArg1, KArg2, VArg>(k1: &KArg1, k2: &KArg2, val: &VArg)
+	fn insert<KArg1, KArg2, VArg>(k1: KArg1, k2: KArg2, val: VArg)
 	where
-		K1: Borrow<KArg1>,
+		KArg1: EncodeLike<K1>,
-		K2: Borrow<KArg2>,
+		KArg2: EncodeLike<K2>,
-		V: Borrow<VArg>,
+		VArg: EncodeLike<V>,
 		KArg1: ?Sized + Encode,
 		KArg2: ?Sized + Encode,
 		VArg: ?Sized + Encode,
 	{
 		unhashed::put(&Self::storage_double_map_final_key(k1, k2), &val.borrow())
 	}
-	fn remove<KArg1, KArg2>(k1: &KArg1, k2: &KArg2)
+	fn remove<KArg1, KArg2>(k1: KArg1, k2: KArg2)
 	where
-		K1: Borrow<KArg1>,
+		KArg1: EncodeLike<K1>,
-		K2: Borrow<KArg2>,
+		KArg2: EncodeLike<K2>,
 		KArg1: ?Sized + Encode,
 		KArg2: ?Sized + Encode,
 	{
 		unhashed::kill(&Self::storage_double_map_final_key(k1, k2))
 	}
-	fn remove_prefix<KArg1>(k1: &KArg1) where KArg1: ?Sized + Encode, K1: Borrow<KArg1> {
+	fn remove_prefix<KArg1>(k1: KArg1) where KArg1: EncodeLike<K1> {
 		unhashed::kill_prefix(Self::storage_double_map_final_key1(k1).as_ref())
 	}
-	fn mutate<KArg1, KArg2, R, F>(k1: &KArg1, k2: &KArg2, f: F) -> R
+	fn mutate<KArg1, KArg2, R, F>(k1: KArg1, k2: KArg2, f: F) -> R
 	where
-		K1: Borrow<KArg1>,
+		KArg1: EncodeLike<K1>,
-		K2: Borrow<KArg2>,
+		KArg2: EncodeLike<K2>,
 		KArg1: ?Sized + Encode,
 		KArg2: ?Sized + Encode,
 		F: FnOnce(&mut Self::Query) -> R,
 	{
-		let mut val = G::get(k1, k2);
+		let final_key = Self::storage_double_map_final_key(k1, k2);
 		let mut val = G::from_optional_value_to_query(unhashed::get(final_key.as_ref()));
 		let ret = f(&mut val);
 		match G::from_query_to_optional_value(val) {
-			Some(ref val) => G::insert(k1, k2, val),
+			Some(ref val) => unhashed::put(final_key.as_ref(), val),
-			None => G::remove(k1, k2),
+			None => unhashed::kill(final_key.as_ref()),
 		}
 		ret
 	}
-	fn append<KArg1, KArg2, I>(
+	fn append<Items, Item, EncodeLikeItem, KArg1, KArg2>(
-		k1: &KArg1,
+		k1: KArg1,
-		k2: &KArg2,
+		k2: KArg2,
-		items: &[I],
+		items: Items,
 	) -> Result<(), &'static str>
 	where
-		K1: Borrow<KArg1>,
+		KArg1: EncodeLike<K1>,
-		K2: Borrow<KArg2>,
+		KArg2: EncodeLike<K2>,
-		KArg1: ?Sized + Encode,
+		Item: Encode,
-		KArg2: ?Sized + Encode,
+		EncodeLikeItem: EncodeLike<Item>,
-		I: codec::Encode,
+		V: EncodeAppend<Item=Item>,
-		V: EncodeAppend<Item=I>,
+		Items: IntoIterator<Item=EncodeLikeItem>,
 		Items::IntoIter: ExactSizeIterator
 	{
 		let final_key = Self::storage_double_map_final_key(k1, k2);
@@ -192,7 +178,7 @@ where
 				}
 			});
-		let new_val = V::append(
+		let new_val = V::append_or_new(
 			encoded_value,
 			items,
 		).map_err(|_| "Could not append given item")?;
@@ -200,4 +186,22 @@ where
 		Ok(())
 	}
 	fn append_or_insert<Items, Item, EncodeLikeItem, KArg1, KArg2>(
 		k1: KArg1,
 		k2: KArg2,
 		items: Items,
 	)
 	where
 		KArg1: EncodeLike<K1>,
 		KArg2: EncodeLike<K2>,
 		Item: Encode,
 		EncodeLikeItem: EncodeLike<Item>,
 		V: EncodeAppend<Item=Item>,
 		Items: IntoIterator<Item=EncodeLikeItem> + Clone + EncodeLike<V>,
 		Items::IntoIter: ExactSizeIterator
 	{
 		Self::append(Ref::from(&k1), Ref::from(&k2), items.clone())
 			.unwrap_or_else(|_| Self::insert(k1, k2, items));
 	}
 }
@@ -14,12 +14,9 @@
 // You should have received a copy of the GNU General Public License
 // along with Substrate.  If not, see <http://www.gnu.org/licenses/>.
-use codec::{Codec, Encode, Decode};
+use codec::{FullCodec, Encode, Decode, EncodeLike, Ref};
 use crate::{storage::{self, unhashed}, hash::StorageHasher, traits::Len};
-use rstd::{
+use rstd::marker::PhantomData;
 	borrow::Borrow,
 	marker::PhantomData,
 };
 /// Generator for `StorageLinkedMap` used by `decl_storage`.
 ///
@@ -43,7 +40,7 @@ use rstd::{
 ///
 /// If the keys are not trusted (e.g. can be set by a user), a cryptographic `hasher` such as
 /// `blake2_256` must be used. Otherwise, other values in storage can be compromised.
-pub trait StorageLinkedMap<K: Codec, V: Codec> {
+pub trait StorageLinkedMap<K: FullCodec, V: FullCodec> {
 	/// The type that get/take returns.
 	type Query;
@@ -65,10 +62,10 @@ pub trait StorageLinkedMap<K: Codec, V: Codec> {
 	/// Generate the full key used in top storage.
 	fn storage_linked_map_final_key<KeyArg>(key: KeyArg) -> <Self::Hasher as StorageHasher>::Output
 	where
-		KeyArg: Borrow<K>,
+		KeyArg: EncodeLike<K>,
 	{
 		let mut final_key = Self::prefix().to_vec();
-		key.borrow().encode_to(&mut final_key);
+		key.encode_to(&mut final_key);
 		Self::Hasher::hash(&final_key)
 	}
@@ -96,13 +93,29 @@ impl<Key> Default for Linkage<Key> {
 	}
 }
 // Encode like a linkage.
 #[derive(Encode)]
 struct EncodeLikeLinkage<PKey: EncodeLike<Key>, NKey: EncodeLike<Key>, Key: Encode> {
 	// Previous element key in storage (None for the first element)
 	previous: Option<PKey>,
 	// Next element key in storage (None for the last element)
 	next: Option<NKey>,
 	// The key of the linkage this type encode to
 	phantom: core::marker::PhantomData<Key>,
 }
 /// A key-value pair iterator for enumerable map.
-pub struct Enumerator<K: Codec, V: Codec, G: StorageLinkedMap<K, V>> {
+pub struct Enumerator<K: FullCodec, V: FullCodec, G: StorageLinkedMap<K, V>> {
 	next: Option<K>,
 	_phantom: PhantomData<(G, V)>,
 }
-impl<K: Codec, V: Codec, G: StorageLinkedMap<K, V>> Iterator for Enumerator<K, V, G> {
+impl<K, V, G> Iterator for Enumerator<K, V, G>
 where
 	K: FullCodec,
 	V: FullCodec,
 	G: StorageLinkedMap<K, V>,
 {
 	type Item = (K, V);
 	fn next(&mut self) -> Option<Self::Item> {
@@ -123,7 +136,12 @@ impl<K: Codec, V: Codec, G: StorageLinkedMap<K, V>> Iterator for Enumerator<K, V
 ///
 /// Takes care of updating previous and next elements points
 /// as well as updates head if the element is first or last.
-fn remove_linkage<K: Codec, V: Codec, G: StorageLinkedMap<K, V>>(linkage: Linkage<K>) {
+fn remove_linkage<K, V, G>(linkage: Linkage<K>)
 where
 	K: FullCodec,
 	V: FullCodec,
 	G: StorageLinkedMap<K, V>,
 {
 	let next_key = linkage.next.as_ref()
 		.map(G::storage_linked_map_final_key)
 		.map(|x| x.as_ref().to_vec());
@@ -140,7 +158,7 @@ fn remove_linkage<K: Codec, V: Codec, G: StorageLinkedMap<K, V>>(linkage: Linkag
 		unhashed::put(prev_key.as_ref(), &res);
 	} else {
 		// we were first so let's update the head
-		write_head::<_, _, G>(linkage.next.as_ref());
+		write_head::<_, _, _, G>(linkage.next.as_ref());
 	}
 	if let Some(next_key) = next_key {
 		// Update previous of next element
@@ -155,9 +173,9 @@ fn remove_linkage<K: Codec, V: Codec, G: StorageLinkedMap<K, V>>(linkage: Linkag
 /// Read the contained data and it's linkage.
 fn read_with_linkage<K, V, G>(key: &[u8]) -> Option<(V, Linkage<K>)>
 where
-	K: Codec,
+	K: FullCodec,
-	V: Codec,
+	V: FullCodec,
-	G: StorageLinkedMap<K, V>
+	G: StorageLinkedMap<K, V>,
 {
 	unhashed::get(key)
 }
@@ -165,11 +183,12 @@ where
 /// Generate linkage for newly inserted element.
 ///
 /// Takes care of updating head and previous head's pointer.
-fn new_head_linkage<K, V, G>(key: &K) -> Linkage<K>
+fn new_head_linkage<KeyArg, K, V, G>(key: KeyArg) -> Linkage<K>
 where
-	K: Codec,
+	KeyArg: EncodeLike<K>,
-	V: Codec,
+	K: FullCodec,
-	G: StorageLinkedMap<K, V>
+	V: FullCodec,
 	G: StorageLinkedMap<K, V>,
 {
 	if let Some(head) = read_head::<_, _, G>() {
 		// update previous head predecessor
@@ -179,20 +198,22 @@ where
 				.expect("head is set when first element is inserted
 						and unset when last element is removed;
 						if head is Some then it points to existing key; qed");
-			unhashed::put(head_key.as_ref(), &(data, Linkage {
+			let new_linkage = EncodeLikeLinkage::<_, _, K> {
 				previous: Some(Ref::from(&key)),
 				next: linkage.next.as_ref(),
-				previous: Some(key),
+				phantom: Default::default(),
-			}));
+			};
 			unhashed::put(head_key.as_ref(), &(data, new_linkage));
 		}
 		// update to current head
-		write_head::<_, _, G>(Some(key));
+		write_head::<_, _, _, G>(Some(key));
 		// return linkage with pointer to previous head
 		let mut linkage = Linkage::default();
 		linkage.next = Some(head);
 		linkage
 	} else {
 		// we are first - update the head and produce empty linkage
-		write_head::<_, _, G>(Some(key));
+		write_head::<_, _, _, G>(Some(key));
 		Linkage::default()
 	}
 }
@@ -200,9 +221,9 @@ where
 /// Read current head pointer.
 fn read_head<K, V, G>() -> Option<K>
 where
-	K: Codec,
+	K: FullCodec,
-	V: Codec,
+	V: FullCodec,
-	G: StorageLinkedMap<K, V>
+	G: StorageLinkedMap<K, V>,
 {
 	unhashed::get(G::storage_linked_map_final_head_key().as_ref())
 }
@@ -210,35 +231,41 @@ where
 /// Overwrite current head pointer.
 ///
 /// If `None` is given head is removed from storage.
-fn write_head<K, V, G>(head: Option<&K>)
+fn write_head<KeyArg, K, V, G>(head: Option<KeyArg>)
 where
-	K: Codec,
+	KeyArg: EncodeLike<K>,
-	V: Codec,
+	K: FullCodec,
-	G: StorageLinkedMap<K, V>
+	V: FullCodec,
 	G: StorageLinkedMap<K, V>,
 {
-	match head {
+	match head.as_ref() {
 		Some(head) => unhashed::put(G::storage_linked_map_final_head_key().as_ref(), head),
 		None => unhashed::kill(G::storage_linked_map_final_head_key().as_ref()),
 	}
 }
-impl<K: Codec, V: Codec, G: StorageLinkedMap<K, V>> storage::StorageLinkedMap<K, V> for G {
+impl<K, V, G> storage::StorageLinkedMap<K, V> for G
 where
 	K: FullCodec,
 	V: FullCodec,
 	G: StorageLinkedMap<K, V>,
 {
 	type Query = G::Query;
 	type Enumerator = Enumerator<K, V, Self>;
-	fn exists<KeyArg: Borrow<K>>(key: KeyArg) -> bool {
+	fn exists<KeyArg: EncodeLike<K>>(key: KeyArg) -> bool {
 		unhashed::exists(Self::storage_linked_map_final_key(key).as_ref())
 	}
-	fn get<KeyArg: Borrow<K>>(key: KeyArg) -> Self::Query {
+	fn get<KeyArg: EncodeLike<K>>(key: KeyArg) -> Self::Query {
 		let val = unhashed::get(Self::storage_linked_map_final_key(key).as_ref());
 		G::from_optional_value_to_query(val)
 	}
-	fn swap<KeyArg1: Borrow<K>, KeyArg2: Borrow<K>>(key1: KeyArg1, key2: KeyArg2) {
+	fn swap<KeyArg1: EncodeLike<K>, KeyArg2: EncodeLike<K>>(key1: KeyArg1, key2: KeyArg2) {
-		let final_key1 = Self::storage_linked_map_final_key(key1.borrow());
+		let final_key1 = Self::storage_linked_map_final_key(Ref::from(&key1));
-		let final_key2 = Self::storage_linked_map_final_key(key2.borrow());
+		let final_key2 = Self::storage_linked_map_final_key(Ref::from(&key2));
 		let full_value_1 = read_with_linkage::<_, _, G>(final_key1.as_ref());
 		let full_value_2 = read_with_linkage::<_, _, G>(final_key2.as_ref());
@@ -251,13 +278,13 @@ impl<K: Codec, V: Codec, G: StorageLinkedMap<K, V>> storage::StorageLinkedMap<K,
 			// Remove key and insert the new one.
 			(Some((value, _linkage)), None) => {
 				Self::remove(key1);
-				let linkage = new_head_linkage::<_, _, G>(key2.borrow());
+				let linkage = new_head_linkage::<_, _, _, G>(key2);
 				unhashed::put(final_key2.as_ref(), &(value, linkage));
 			}
 			// Remove key and insert the new one.
 			(None, Some((value, _linkage))) => {
 				Self::remove(key2);
-				let linkage = new_head_linkage::<_, _, G>(key1.borrow());
+				let linkage = new_head_linkage::<_, _, _, G>(key1);
 				unhashed::put(final_key1.as_ref(), &(value, linkage));
 			}
 			// No-op.
@@ -265,37 +292,23 @@ impl<K: Codec, V: Codec, G: StorageLinkedMap<K, V>> storage::StorageLinkedMap<K,
 		}
 	}
-	fn insert<KeyArg: Borrow<K>, ValArg: Borrow<V>>(key: KeyArg, val: ValArg) {
+	fn insert<KeyArg: EncodeLike<K>, ValArg: EncodeLike<V>>(key: KeyArg, val: ValArg) {
-		let final_key = Self::storage_linked_map_final_key(key.borrow());
+		let final_key = Self::storage_linked_map_final_key(Ref::from(&key));
 		let linkage = match read_with_linkage::<_, _, G>(final_key.as_ref()) {
 			// overwrite but reuse existing linkage
 			Some((_data, linkage)) => linkage,
 			// create new linkage
-			None => new_head_linkage::<_, _, G>(key.borrow()),
+			None => new_head_linkage::<_, _, _, G>(key),
 		};
-		unhashed::put(final_key.as_ref(), &(val.borrow(), linkage))
+		unhashed::put(final_key.as_ref(), &(val, linkage))
 	}
-	fn insert_ref<KeyArg: Borrow<K>, ValArg: ?Sized + Encode>(key: KeyArg, val: &ValArg)
+	fn remove<KeyArg: EncodeLike<K>>(key: KeyArg) {
 	where
 		V: AsRef<ValArg>
 	{
 		let final_key = Self::storage_linked_map_final_key(key.borrow());
 		let linkage = match read_with_linkage::<_, _, G>(final_key.as_ref()) {
 			// overwrite but reuse existing linkage
 			Some((_data, linkage)) => linkage,
 			// create new linkage
 			None => new_head_linkage::<_, _, G>(key.borrow()),
 		};
 		unhashed::put(final_key.as_ref(), &(&val, &linkage))
 	}
 	fn remove<KeyArg: Borrow<K>>(key: KeyArg) {
 		G::take(key);
 	}
-	fn mutate<KeyArg: Borrow<K>, R, F: FnOnce(&mut Self::Query) -> R>(key: KeyArg, f: F) -> R {
+	fn mutate<KeyArg: EncodeLike<K>, R, F: FnOnce(&mut Self::Query) -> R>(key: KeyArg, f: F) -> R {
-		let final_key = Self::storage_linked_map_final_key(key.borrow());
+		let final_key = Self::storage_linked_map_final_key(Ref::from(&key));
 		let (mut val, _linkage) = read_with_linkage::<_, _, G>(final_key.as_ref())
 			.map(|(data, linkage)| (G::from_optional_value_to_query(Some(data)), Some(linkage)))
@@ -303,13 +316,13 @@ impl<K: Codec, V: Codec, G: StorageLinkedMap<K, V>> storage::StorageLinkedMap<K,
 		let ret = f(&mut val);
 		match G::from_query_to_optional_value(val) {
-			Some(ref val) => G::insert(key.borrow(), val),
+			Some(ref val) => G::insert(key, val),
-			None => G::remove(key.borrow()),
+			None => G::remove(key),
 		}
 		ret
 	}
-	fn take<KeyArg: Borrow<K>>(key: KeyArg) -> Self::Query {
+	fn take<KeyArg: EncodeLike<K>>(key: KeyArg) -> Self::Query {
 		let final_key = Self::storage_linked_map_final_key(key);
 		let full_value: Option<(V, Linkage<K>)> = unhashed::take(final_key.as_ref());
@@ -333,7 +346,7 @@ impl<K: Codec, V: Codec, G: StorageLinkedMap<K, V>> storage::StorageLinkedMap<K,
 		read_head::<_, _, G>()
 	}
-	fn decode_len<KeyArg: Borrow<K>>(key: KeyArg) -> Result<usize, &'static str>
+	fn decode_len<KeyArg: EncodeLike<K>>(key: KeyArg) -> Result<usize, &'static str>
 		where V: codec::DecodeLength + Len
 	{
 		let key = Self::storage_linked_map_final_key(key);
@@ -17,7 +17,7 @@
 #[cfg(not(feature = "std"))]
 use rstd::prelude::*;
 use rstd::borrow::Borrow;
-use codec::{Codec, Encode};
+use codec::{FullCodec, FullEncode, Encode, EncodeLike, Ref, EncodeAppend};
 use crate::{storage::{self, unhashed}, hash::StorageHasher, traits::Len};
 /// Generator for `StorageMap` used by `decl_storage`.
@@ -31,7 +31,7 @@ use crate::{storage::{self, unhashed}, hash::StorageHasher, traits::Len};
 ///
 /// If the keys are not trusted (e.g. can be set by a user), a cryptographic `hasher` such as
 /// `blake2_256` must be used.  Otherwise, other values in storage can be compromised.
-pub trait StorageMap<K: Codec, V: Codec> {
+pub trait StorageMap<K: FullEncode, V: FullCodec> {
 	/// The type that get/take returns.
 	type Query;
@@ -50,7 +50,7 @@ pub trait StorageMap<K: Codec, V: Codec> {
 	/// Generate the full key used in top storage.
 	fn storage_map_final_key<KeyArg>(key: KeyArg) -> <Self::Hasher as StorageHasher>::Output
 	where
-		KeyArg: Borrow<K>,
+		KeyArg: EncodeLike<K>,
 	{
 		let mut final_key = Self::prefix().to_vec();
 		key.borrow().encode_to(&mut final_key);
@@ -58,14 +58,14 @@ pub trait StorageMap<K: Codec, V: Codec> {
 	}
 }
-impl<K: Codec, V: Codec, G: StorageMap<K, V>> storage::StorageMap<K, V> for G {
+impl<K: FullEncode, V: FullCodec, G: StorageMap<K, V>> storage::StorageMap<K, V> for G {
 	type Query = G::Query;
-	fn hashed_key_for<KeyArg: Borrow<K>>(key: KeyArg) -> Vec<u8> {
+	fn hashed_key_for<KeyArg: EncodeLike<K>>(key: KeyArg) -> Vec<u8> {
 		Self::storage_map_final_key(key).as_ref().to_vec()
 	}
-	fn swap<KeyArg1: Borrow<K>, KeyArg2: Borrow<K>>(key1: KeyArg1, key2: KeyArg2) {
+	fn swap<KeyArg1: EncodeLike<K>, KeyArg2: EncodeLike<K>>(key1: KeyArg1, key2: KeyArg2) {
 		let k1 = Self::storage_map_final_key(key1);
 		let k2 = Self::storage_map_final_key(key2);
@@ -82,52 +82,48 @@ impl<K: Codec, V: Codec, G: StorageMap<K, V>> storage::StorageMap<K, V> for G {
 		}
 	}
-	fn exists<KeyArg: Borrow<K>>(key: KeyArg) -> bool {
+	fn exists<KeyArg: EncodeLike<K>>(key: KeyArg) -> bool {
 		unhashed::exists(Self::storage_map_final_key(key).as_ref())
 	}
-	fn get<KeyArg: Borrow<K>>(key: KeyArg) -> Self::Query {
+	fn get<KeyArg: EncodeLike<K>>(key: KeyArg) -> Self::Query {
 		G::from_optional_value_to_query(unhashed::get(Self::storage_map_final_key(key).as_ref()))
 	}
-	fn insert<KeyArg: Borrow<K>, ValArg: Borrow<V>>(key: KeyArg, val: ValArg) {
+	fn insert<KeyArg: EncodeLike<K>, ValArg: EncodeLike<V>>(key: KeyArg, val: ValArg) {
 		unhashed::put(Self::storage_map_final_key(key).as_ref(), &val.borrow())
 	}
-	fn insert_ref<KeyArg: Borrow<K>, ValArg: ?Sized + Encode>(key: KeyArg, val: &ValArg)
+	fn remove<KeyArg: EncodeLike<K>>(key: KeyArg) {
 		where V: AsRef<ValArg>
 	{
 		val.using_encoded(|b| unhashed::put_raw(Self::storage_map_final_key(key).as_ref(), b))
 	}
 	fn remove<KeyArg: Borrow<K>>(key: KeyArg) {
 		unhashed::kill(Self::storage_map_final_key(key).as_ref())
 	}
-	fn mutate<KeyArg: Borrow<K>, R, F: FnOnce(&mut Self::Query) -> R>(key: KeyArg, f: F) -> R {
+	fn mutate<KeyArg: EncodeLike<K>, R, F: FnOnce(&mut Self::Query) -> R>(key: KeyArg, f: F) -> R {
-		let mut val = G::get(key.borrow());
+		let final_key = Self::storage_map_final_key(key);
 		let mut val = G::from_optional_value_to_query(unhashed::get(final_key.as_ref()));
 		let ret = f(&mut val);
 		match G::from_query_to_optional_value(val) {
-			Some(ref val) => G::insert(key, val),
+			Some(ref val) => unhashed::put(final_key.as_ref(), &val.borrow()),
-			None => G::remove(key),
+			None => unhashed::kill(final_key.as_ref()),
 		}
 		ret
 	}
-	fn take<KeyArg: Borrow<K>>(key: KeyArg) -> Self::Query {
+	fn take<KeyArg: EncodeLike<K>>(key: KeyArg) -> Self::Query {
 		let key = Self::storage_map_final_key(key);
 		let value = unhashed::take(key.as_ref());
 		G::from_optional_value_to_query(value)
 	}
-	fn append<'a, I, R, KeyArg>(key: KeyArg, items: R) -> Result<(), &'static str>
+	fn append<Items, Item, EncodeLikeItem, KeyArg>(key: KeyArg, items: Items) -> Result<(), &'static str>
 	where
-		KeyArg: Borrow<K>,
+		KeyArg: EncodeLike<K>,
-		I: 'a + codec::Encode,
+		Item: Encode,
-		V: codec::EncodeAppend<Item=I>,
+		EncodeLikeItem: EncodeLike<Item>,
-		R: IntoIterator<Item=&'a I>,
+		V: EncodeAppend<Item=Item>,
-		R::IntoIter: ExactSizeIterator,
+		Items: IntoIterator<Item=EncodeLikeItem>,
 		Items::IntoIter: ExactSizeIterator,
 	{
 		let key = Self::storage_map_final_key(key);
 		let encoded_value = unhashed::get_raw(key.as_ref())
@@ -138,7 +134,7 @@ impl<K: Codec, V: Codec, G: StorageMap<K, V>> storage::StorageMap<K, V> for G {
 				}
 			});
-		let new_val = V::append(
+		let new_val = V::append_or_new(
 			encoded_value,
 			items,
 		).map_err(|_| "Could not append given item")?;
@@ -146,19 +142,20 @@ impl<K: Codec, V: Codec, G: StorageMap<K, V>> storage::StorageMap<K, V> for G {
 		Ok(())
 	}
-	fn append_or_insert<'a, I, R, KeyArg>(key: KeyArg, items: R)
+	fn append_or_insert<Items, Item, EncodeLikeItem, KeyArg>(key: KeyArg, items: Items)
 	where
-		KeyArg: Borrow<K>,
+		KeyArg: EncodeLike<K>,
-		I: 'a + codec::Encode + Clone,
+		Item: Encode,
-		V: codec::EncodeAppend<Item=I> + crate::rstd::iter::FromIterator<I>,
+		EncodeLikeItem: EncodeLike<Item>,
-		R: IntoIterator<Item=&'a I> + Clone,
+		V: EncodeAppend<Item=Item>,
-		R::IntoIter: ExactSizeIterator,
+		Items: IntoIterator<Item=EncodeLikeItem> + Clone + EncodeLike<V>,
 		Items::IntoIter: ExactSizeIterator,
 	{
-		Self::append(key.borrow(), items.clone())
+		Self::append(Ref::from(&key), items.clone())
-			.unwrap_or_else(|_| Self::insert(key, &items.into_iter().cloned().collect()));
+			.unwrap_or_else(|_| Self::insert(key, items));
 	}
-	fn decode_len<KeyArg: Borrow<K>>(key: KeyArg) -> Result<usize, &'static str>
+	fn decode_len<KeyArg: EncodeLike<K>>(key: KeyArg) -> Result<usize, &'static str>
 		where V: codec::DecodeLength + Len
 	{
 		let key = Self::storage_map_final_key(key);
@@ -16,8 +16,7 @@
 #[cfg(not(feature = "std"))]
 use rstd::prelude::*;
-use rstd::{borrow::Borrow, iter::FromIterator};
+use codec::{FullCodec, Encode, EncodeAppend, EncodeLike};
 use codec::{Codec, Encode};
 use crate::{storage::{self, unhashed}, hash::{Twox128, StorageHasher}, traits::Len};
 /// Generator for `StorageValue` used by `decl_storage`.
@@ -26,7 +25,7 @@ use crate::{storage::{self, unhashed}, hash::{Twox128, StorageHasher}, traits::L
 /// ```nocompile
 /// Twox128(unhashed_key)
 /// ```
-pub trait StorageValue<T: Codec> {
+pub trait StorageValue<T: FullCodec> {
 	/// The type that get/take returns.
 	type Query;
@@ -45,7 +44,7 @@ pub trait StorageValue<T: Codec> {
 	}
 }
-impl<T: Codec, G: StorageValue<T>> storage::StorageValue<T> for G {
+impl<T: FullCodec, G: StorageValue<T>> storage::StorageValue<T> for G {
 	type Query = G::Query;
 	fn hashed_key() -> [u8; 16] {
@@ -61,12 +60,8 @@ impl<T: Codec, G: StorageValue<T>> storage::StorageValue<T> for G {
 		G::from_optional_value_to_query(value)
 	}
-	fn put<Arg: Borrow<T>>(val: Arg) {
+	fn put<Arg: EncodeLike<T>>(val: Arg) {
-		unhashed::put(&Self::storage_value_final_key(), val.borrow())
+		unhashed::put(&Self::storage_value_final_key(), &val)
 	}
 	fn put_ref<Arg: ?Sized + Encode>(val: &Arg) where T: AsRef<Arg> {
 		val.using_encoded(|b| unhashed::put_raw(&Self::storage_value_final_key(), b))
 	}
 	fn kill() {
@@ -96,12 +91,13 @@ impl<T: Codec, G: StorageValue<T>> storage::StorageValue<T> for G {
 	/// Append the given items to the value in the storage.
 	///
 	/// `T` is required to implement `codec::EncodeAppend`.
-	fn append<'a, I, R>(items: R) -> Result<(), &'static str>
+	fn append<Items, Item, EncodeLikeItem>(items: Items) -> Result<(), &'static str>
 	where
-		I: 'a + codec::Encode,
+		Item: Encode,
-		T: codec::EncodeAppend<Item=I>,
+		EncodeLikeItem: EncodeLike<Item>,
-		R: IntoIterator<Item=&'a I>,
+		T: EncodeAppend<Item=Item>,
-		R::IntoIter: ExactSizeIterator,
+		Items: IntoIterator<Item=EncodeLikeItem>,
 		Items::IntoIter: ExactSizeIterator,
 	{
 		let key = Self::storage_value_final_key();
 		let encoded_value = unhashed::get_raw(&key)
@@ -112,7 +108,7 @@ impl<T: Codec, G: StorageValue<T>> storage::StorageValue<T> for G {
 				}
 			});
-		let new_val = T::append(
+		let new_val = T::append_or_new(
 			encoded_value,
 			items,
 		).map_err(|_| "Could not append given item")?;
@@ -124,15 +120,14 @@ impl<T: Codec, G: StorageValue<T>> storage::StorageValue<T> for G {
 	/// old (presumably corrupt) value is replaced with the given `items`.
 	///
 	/// `T` is required to implement `codec::EncodeAppend`.
-	fn append_or_put<'a, I, R>(items: R)
+	fn append_or_put<Items, Item, EncodeLikeItem>(items: Items) where
-	where
+		Item: Encode,
-		I: 'a + codec::Encode + Clone,
+		EncodeLikeItem: EncodeLike<Item>,
-		T: codec::EncodeAppend<Item=I> + FromIterator<I>,
+		T: EncodeAppend<Item=Item>,
-		R: IntoIterator<Item=&'a I> + Clone,
+		Items: IntoIterator<Item=EncodeLikeItem> + Clone + EncodeLike<T>,
-		R::IntoIter: ExactSizeIterator,
+		Items::IntoIter: ExactSizeIterator
 	{
-		Self::append(items.clone())
+		Self::append(items.clone()).unwrap_or_else(|_| Self::put(items));
 			.unwrap_or_else(|_| Self::put(&items.into_iter().cloned().collect()));
 	}
 	/// Read the length of the value in a fast way, without decoding the entire value.
@@ -16,9 +16,8 @@
 //! Stuff to do with the runtime's storage.
-use crate::rstd::prelude::*;
+use rstd::prelude::*;
-use crate::rstd::{borrow::Borrow, iter::FromIterator};
+use codec::{FullCodec, FullEncode, Encode, EncodeAppend, EncodeLike};
 use codec::{Codec, Encode, Decode, EncodeAppend};
 use crate::traits::Len;
 #[macro_use]
@@ -29,7 +28,7 @@ pub mod child;
 pub mod generator;
 /// A trait for working with macro-generated storage values under the substrate storage API.
-pub trait StorageValue<T: Codec> {
+pub trait StorageValue<T: FullCodec> {
 	/// The type that get/take return.
 	type Query;
@@ -43,11 +42,7 @@ pub trait StorageValue<T: Codec> {
 	fn get() -> Self::Query;
 	/// Store a value under this key into the provided storage instance.
-	fn put<Arg: Borrow<T>>(val: Arg);
+	fn put<Arg: EncodeLike<T>>(val: Arg);
 	/// Store a value under this key into the provided storage instance; this can take any reference
 	/// type that derefs to `T` (and has `Encode` implemented).
 	fn put_ref<Arg: ?Sized + Encode>(val: &Arg) where T: AsRef<Arg>;
 	/// Mutate the value
 	fn mutate<R, F: FnOnce(&mut Self::Query) -> R>(f: F) -> R;
@@ -61,11 +56,13 @@ pub trait StorageValue<T: Codec> {
 	/// Append the given item to the value in the storage.
 	///
 	/// `T` is required to implement `codec::EncodeAppend`.
-	fn append<'a, I, R>(items: R) -> Result<(), &'static str> where
+	fn append<Items, Item, EncodeLikeItem>(items: Items) -> Result<(), &'static str>
-		I: 'a + Encode,
+	where
-		T: EncodeAppend<Item=I>,
+		Item: Encode,
-		R: IntoIterator<Item=&'a I>,
+		EncodeLikeItem: EncodeLike<Item>,
-		R::IntoIter: ExactSizeIterator;
+		T: EncodeAppend<Item=Item>,
 		Items: IntoIterator<Item=EncodeLikeItem>,
 		Items::IntoIter: ExactSizeIterator;
 	/// Append the given items to the value in the storage.
 	///
@@ -78,11 +75,13 @@ pub trait StorageValue<T: Codec> {
 	///
 	/// use with care; if your use-case is not _exactly_ as what this function is doing,
 	/// you should use append and sensibly handle failure within the runtime code if it happens.
-	fn append_or_put<'a, I, R>(items: R) where
+	fn append_or_put<Items, Item, EncodeLikeItem>(items: Items) where
-		I: 'a + Encode + Clone,
+		Item: Encode,
-		T: EncodeAppend<Item=I> + FromIterator<I>,
+		EncodeLikeItem: EncodeLike<Item>,
-		R: IntoIterator<Item=&'a I> + Clone,
+		T: EncodeAppend<Item=Item>,
-		R::IntoIter: ExactSizeIterator;
+		Items: IntoIterator<Item=EncodeLikeItem> + Clone + EncodeLike<T>,
 		Items::IntoIter: ExactSizeIterator;
 	/// Read the length of the value in a fast way, without decoding the entire value.
 	///
@@ -92,60 +91,58 @@ pub trait StorageValue<T: Codec> {
 }
 /// A strongly-typed map in storage.
-pub trait StorageMap<K: Codec, V: Codec> {
+pub trait StorageMap<K: FullEncode, V: FullCodec> {
 	/// The type that get/take return.
 	type Query;
 	/// Get the storage key used to fetch a value corresponding to a specific key.
-	fn hashed_key_for<KeyArg: Borrow<K>>(key: KeyArg) -> Vec<u8>;
+	fn hashed_key_for<KeyArg: EncodeLike<K>>(key: KeyArg) -> Vec<u8>;
 	/// Does the value (explicitly) exist in storage?
-	fn exists<KeyArg: Borrow<K>>(key: KeyArg) -> bool;
+	fn exists<KeyArg: EncodeLike<K>>(key: KeyArg) -> bool;
 	/// Load the value associated with the given key from the map.
-	fn get<KeyArg: Borrow<K>>(key: KeyArg) -> Self::Query;
+	fn get<KeyArg: EncodeLike<K>>(key: KeyArg) -> Self::Query;
 	/// Swap the values of two keys.
-	fn swap<KeyArg1: Borrow<K>, KeyArg2: Borrow<K>>(key1: KeyArg1, key2: KeyArg2);
+	fn swap<KeyArg1: EncodeLike<K>, KeyArg2: EncodeLike<K>>(key1: KeyArg1, key2: KeyArg2);
 	/// Store a value to be associated with the given key from the map.
-	fn insert<KeyArg: Borrow<K>, ValArg: Borrow<V>>(key: KeyArg, val: ValArg);
+	fn insert<KeyArg: EncodeLike<K>, ValArg: EncodeLike<V>>(key: KeyArg, val: ValArg);
 	/// Store a value under this key into the provided storage instance; this can take any reference
 	/// type that derefs to `T` (and has `Encode` implemented).
 	fn insert_ref<KeyArg: Borrow<K>, ValArg: ?Sized + Encode>(key: KeyArg, val: &ValArg) where V: AsRef<ValArg>;
 	/// Remove the value under a key.
-	fn remove<KeyArg: Borrow<K>>(key: KeyArg);
+	fn remove<KeyArg: EncodeLike<K>>(key: KeyArg);
 	/// Mutate the value under a key.
-	fn mutate<KeyArg: Borrow<K>, R, F: FnOnce(&mut Self::Query) -> R>(key: KeyArg, f: F) -> R;
+	fn mutate<KeyArg: EncodeLike<K>, R, F: FnOnce(&mut Self::Query) -> R>(key: KeyArg, f: F) -> R;
 	/// Take the value under a key.
-	fn take<KeyArg: Borrow<K>>(key: KeyArg) -> Self::Query;
+	fn take<KeyArg: EncodeLike<K>>(key: KeyArg) -> Self::Query;
 	/// Append the given items to the value in the storage.
 	///
 	/// `V` is required to implement `codec::EncodeAppend`.
-	fn append<'a, I, R, KeyArg>(key: KeyArg, items: R) -> Result<(), &'static str>
+	fn append<Items, Item, EncodeLikeItem, KeyArg>(key: KeyArg, items: Items) -> Result<(), &'static str>
 	where
-		KeyArg: Borrow<K>,
+		KeyArg: EncodeLike<K>,
-		I: 'a + codec::Encode,
+		Item: Encode,
-		V: codec::EncodeAppend<Item=I>,
+		EncodeLikeItem: EncodeLike<Item>,
-		R: IntoIterator<Item=&'a I> + Clone,
+		V: EncodeAppend<Item=Item>,
-		R::IntoIter: ExactSizeIterator;
+		Items: IntoIterator<Item=EncodeLikeItem>,
 		Items::IntoIter: ExactSizeIterator;
 	/// Safely append the given items to the value in the storage. If a codec error occurs, then the
 	/// old (presumably corrupt) value is replaced with the given `items`.
 	///
-	/// `T` is required to implement `codec::EncodeAppend`.
+	/// `V` is required to implement `codec::EncodeAppend`.
-	fn append_or_insert<'a, I, R, KeyArg>(key: KeyArg, items: R)
+	fn append_or_insert<Items, Item, EncodeLikeItem, KeyArg>(key: KeyArg, items: Items)
 	where
-		KeyArg: Borrow<K>,
+		KeyArg: EncodeLike<K>,
-		I: 'a + codec::Encode + Clone,
+		Item: Encode,
-		V: codec::EncodeAppend<Item=I> + crate::rstd::iter::FromIterator<I>,
+		EncodeLikeItem: EncodeLike<Item>,
-		R: IntoIterator<Item=&'a I> + Clone,
+		V: EncodeAppend<Item=Item>,
-		R::IntoIter: ExactSizeIterator;
+		Items: IntoIterator<Item=EncodeLikeItem> + Clone + EncodeLike<V>,
 		Items::IntoIter: ExactSizeIterator;
 	/// Read the length of the value in a fast way, without decoding the entire value.
 	///
@@ -154,14 +151,14 @@ pub trait StorageMap<K: Codec, V: Codec> {
 	/// Note that `0` is returned as the default value if no encoded value exists at the given key.
 	/// Therefore, this function cannot be used as a sign of _existence_. use the `::exists()`
 	/// function for this purpose.
-	fn decode_len<KeyArg: Borrow<K>>(key: KeyArg) -> Result<usize, &'static str>
+	fn decode_len<KeyArg: EncodeLike<K>>(key: KeyArg) -> Result<usize, &'static str>
 		where V: codec::DecodeLength + Len;
 }
 /// A strongly-typed linked map in storage.
 ///
 /// Similar to `StorageMap` but allows to enumerate other elements and doesn't implement append.
-pub trait StorageLinkedMap<K: Codec, V: Codec> {
+pub trait StorageLinkedMap<K: FullCodec, V: FullCodec> {
 	/// The type that get/take return.
 	type Query;
@@ -169,29 +166,25 @@ pub trait StorageLinkedMap<K: Codec, V: Codec> {
 	type Enumerator: Iterator<Item = (K, V)>;
 	/// Does the value (explicitly) exist in storage?
-	fn exists<KeyArg: Borrow<K>>(key: KeyArg) -> bool;
+	fn exists<KeyArg: EncodeLike<K>>(key: KeyArg) -> bool;
 	/// Load the value associated with the given key from the map.
-	fn get<KeyArg: Borrow<K>>(key: KeyArg) -> Self::Query;
+	fn get<KeyArg: EncodeLike<K>>(key: KeyArg) -> Self::Query;
 	/// Swap the values of two keys.
-	fn swap<KeyArg1: Borrow<K>, KeyArg2: Borrow<K>>(key1: KeyArg1, key2: KeyArg2);
+	fn swap<KeyArg1: EncodeLike<K>, KeyArg2: EncodeLike<K>>(key1: KeyArg1, key2: KeyArg2);
 	/// Store a value to be associated with the given key from the map.
-	fn insert<KeyArg: Borrow<K>, ValArg: Borrow<V>>(key: KeyArg, val: ValArg);
+	fn insert<KeyArg: EncodeLike<K>, ValArg: EncodeLike<V>>(key: KeyArg, val: ValArg);
 	/// Store a value under this key into the provided storage instance; this can take any reference
 	/// type that derefs to `T` (and has `Encode` implemented).
 	fn insert_ref<KeyArg: Borrow<K>, ValArg: ?Sized + Encode>(key: KeyArg, val: &ValArg) where V: AsRef<ValArg>;
 	/// Remove the value under a key.
-	fn remove<KeyArg: Borrow<K>>(key: KeyArg);
+	fn remove<KeyArg: EncodeLike<K>>(key: KeyArg);
 	/// Mutate the value under a key.
-	fn mutate<KeyArg: Borrow<K>, R, F: FnOnce(&mut Self::Query) -> R>(key: KeyArg, f: F) -> R;
+	fn mutate<KeyArg: EncodeLike<K>, R, F: FnOnce(&mut Self::Query) -> R>(key: KeyArg, f: F) -> R;
 	/// Take the value under a key.
-	fn take<KeyArg: Borrow<K>>(key: KeyArg) -> Self::Query;
+	fn take<KeyArg: EncodeLike<K>>(key: KeyArg) -> Self::Query;
 	/// Return current head element.
 	fn head() -> Option<K>;
@@ -206,7 +199,7 @@ pub trait StorageLinkedMap<K: Codec, V: Codec> {
 	/// Note that `0` is returned as the default value if no encoded value exists at the given key.
 	/// Therefore, this function cannot be used as a sign of _existence_. use the `::exists()`
 	/// function for this purpose.
-	fn decode_len<KeyArg: Borrow<K>>(key: KeyArg) -> Result<usize, &'static str>
+	fn decode_len<KeyArg: EncodeLike<K>>(key: KeyArg) -> Result<usize, &'static str>
 		where V: codec::DecodeLength + Len;
 }
@@ -214,67 +207,69 @@ pub trait StorageLinkedMap<K: Codec, V: Codec> {
 ///
 /// It provides an important ability to efficiently remove all entries
 /// that have a common first key.
-pub trait StorageDoubleMap<K1: Encode, K2: Encode, V: Codec> {
+pub trait StorageDoubleMap<K1: FullEncode, K2: FullEncode, V: FullCodec> {
 	/// The type that get/take returns.
 	type Query;
-	fn exists<KArg1, KArg2>(k1: &KArg1, k2: &KArg2) -> bool
+	fn exists<KArg1, KArg2>(k1: KArg1, k2: KArg2) -> bool
 	where
-		K1: Borrow<KArg1>,
+		KArg1: EncodeLike<K1>,
-		K2: Borrow<KArg2>,
+		KArg2: EncodeLike<K2>;
 		KArg1: ?Sized + Encode,
 		KArg2: ?Sized + Encode;
-	fn get<KArg1, KArg2>(k1: &KArg1, k2: &KArg2) -> Self::Query
+	fn get<KArg1, KArg2>(k1: KArg1, k2: KArg2) -> Self::Query
 	where
-		K1: Borrow<KArg1>,
+		KArg1: EncodeLike<K1>,
-		K2: Borrow<KArg2>,
+		KArg2: EncodeLike<K2>;
 		KArg1: ?Sized + Encode,
 		KArg2: ?Sized + Encode;
-	fn take<KArg1, KArg2>(k1: &KArg1, k2: &KArg2) -> Self::Query
+	fn take<KArg1, KArg2>(k1: KArg1, k2: KArg2) -> Self::Query
 	where
-		K1: Borrow<KArg1>,
+		KArg1: EncodeLike<K1>,
-		K2: Borrow<KArg2>,
+		KArg2: EncodeLike<K2>;
 		KArg1: ?Sized + Encode,
 		KArg2: ?Sized + Encode;
-	fn insert<KArg1, KArg2, VArg>(k1: &KArg1, k2: &KArg2, val: &VArg)
+	fn insert<KArg1, KArg2, VArg>(k1: KArg1, k2: KArg2, val: VArg)
 	where
-		K1: Borrow<KArg1>,
+		KArg1: EncodeLike<K1>,
-		K2: Borrow<KArg2>,
+		KArg2: EncodeLike<K2>,
-		V: Borrow<VArg>,
+		VArg: EncodeLike<V>;
 		KArg1: ?Sized + Encode,
 		KArg2: ?Sized + Encode,
 		VArg: ?Sized + Encode;
-	fn remove<KArg1, KArg2>(k1: &KArg1, k2: &KArg2)
+	fn remove<KArg1, KArg2>(k1: KArg1, k2: KArg2)
 	where
-		K1: Borrow<KArg1>,
+		KArg1: EncodeLike<K1>,
-		K2: Borrow<KArg2>,
+		KArg2: EncodeLike<K2>;
 		KArg1: ?Sized + Encode,
 		KArg2: ?Sized + Encode;
-	fn remove_prefix<KArg1>(k1: &KArg1) where KArg1: ?Sized + Encode, K1: Borrow<KArg1>;
+	fn remove_prefix<KArg1>(k1: KArg1) where KArg1: ?Sized + EncodeLike<K1>;
-	fn mutate<KArg1, KArg2, R, F>(k1: &KArg1, k2: &KArg2, f: F) -> R
+	fn mutate<KArg1, KArg2, R, F>(k1: KArg1, k2: KArg2, f: F) -> R
 	where
-		K1: Borrow<KArg1>,
+		KArg1: EncodeLike<K1>,
-		K2: Borrow<KArg2>,
+		KArg2: EncodeLike<K2>,
 		KArg1: ?Sized + Encode,
 		KArg2: ?Sized + Encode,
 		F: FnOnce(&mut Self::Query) -> R;
-	fn append<KArg1, KArg2, I>(
+	fn append<Items, Item, EncodeLikeItem, KArg1, KArg2>(
-		k1: &KArg1,
+		k1: KArg1,
-		k2: &KArg2,
+		k2: KArg2,
-		items: &[I],
+		items: Items,
 	) -> Result<(), &'static str>
 	where
-		K1: Borrow<KArg1>,
+		KArg1: EncodeLike<K1>,
-		K2: Borrow<KArg2>,
+		KArg2: EncodeLike<K2>,
-		KArg1: ?Sized + Encode,
+		Item: Encode,
-		KArg2: ?Sized + Encode,
+		EncodeLikeItem: EncodeLike<Item>,
-		I: codec::Encode,
+		V: EncodeAppend<Item=Item>,
-		V: EncodeAppend<Item=I>;
+		Items: IntoIterator<Item=EncodeLikeItem>,
 		Items::IntoIter: ExactSizeIterator;
 	fn append_or_insert<Items, Item, EncodeLikeItem, KArg1, KArg2>(
 		k1: KArg1,
 		k2: KArg2,
 		items: Items,
 	)
 	where
 		KArg1: EncodeLike<K1>,
 		KArg2: EncodeLike<K2>,
 		Item: Encode,
 		EncodeLikeItem: EncodeLike<Item>,
 		V: EncodeAppend<Item=Item>,
 		Items: IntoIterator<Item=EncodeLikeItem> + Clone + EncodeLike<V>,
 		Items::IntoIter: ExactSizeIterator;
 }
@@ -256,6 +256,7 @@ mod tests {
 	use crate::metadata::*;
 	use crate::metadata::StorageHasher;
 	use crate::rstd::marker::PhantomData;
 	use crate::codec::{Encode, Decode, EncodeLike};
 	storage_items! {
 		Value: b"a" => u32;
@@ -286,7 +287,7 @@ mod tests {
 	}
 	pub trait Trait {
-		type Origin: crate::codec::Encode + crate::codec::Decode + ::std::default::Default;
+		type Origin: Encode + Decode + EncodeLike + std::default::Default;
 		type BlockNumber;
 	}
@@ -839,13 +840,17 @@ mod test_append_and_len {
 	#[test]
 	fn append_or_put_works() {
 		with_externalities(&mut TestExternalities::default(), || {
-			let _ = MapVec::append_or_insert(1, [1, 2, 3].iter());
+			let _ = MapVec::append_or_insert(1, &[1, 2, 3][..]);
-			let _ = MapVec::append_or_insert(1, [4, 5].iter());
+			let _ = MapVec::append_or_insert(1, &[4, 5][..]);
 			assert_eq!(MapVec::get(1), vec![1, 2, 3, 4, 5]);
-			let _ = JustVec::append_or_put([1, 2, 3].iter());
+			let _ = JustVec::append_or_put(&[1, 2, 3][..]);
-			let _ = JustVec::append_or_put([4, 5].iter());
+			let _ = JustVec::append_or_put(&[4, 5][..]);
 			assert_eq!(JustVec::get(), vec![1, 2, 3, 4, 5]);
 			let _ = OptionVec::append_or_put(&[1, 2, 3][..]);
 			let _ = OptionVec::append_or_put(&[4, 5][..]);
 			assert_eq!(OptionVec::get(), Some(vec![1, 2, 3, 4, 5]));
 		});
 	}
@@ -16,7 +16,8 @@
 //! Operation on unhashed runtime storage.
-use super::{Encode, Decode, Vec};
+use rstd::prelude::*;
 use codec::{Encode, Decode};
 /// Return the value of the item in storage under `key`, or `None` if there is no explicit entry.
 pub fn get<T: Decode + Sized>(key: &[u8]) -> Option<T> {
@@ -19,7 +19,7 @@
 //! NOTE: If you're looking for `parameter_types`, it has moved in to the top-level module.
 use rstd::{prelude::*, result, marker::PhantomData, ops::Div};
-use codec::{Codec, Encode, Decode};
+use codec::{FullCodec, Codec, Encode, Decode};
 use primitives::u32_trait::Value as U32;
 use sr_primitives::{
 	ConsensusEngineId,
@@ -254,7 +254,7 @@ pub enum SignedImbalance<B, P: Imbalance<B>>{
 impl<
 	P: Imbalance<B, Opposite=N>,
 	N: Imbalance<B, Opposite=P>,
-	B: SimpleArithmetic + Codec + Copy + MaybeSerializeDebug + Default,
+	B: SimpleArithmetic + FullCodec + Copy + MaybeSerializeDebug + Default,
 > SignedImbalance<B, P> {
 	pub fn zero() -> Self {
 		SignedImbalance::Positive(P::zero())
@@ -317,7 +317,7 @@ impl<
 /// Abstraction over a fungible assets system.
 pub trait Currency<AccountId> {
 	/// The balance of an account.
-	type Balance: SimpleArithmetic + Codec + Copy + MaybeSerializeDebug + Default;
+	type Balance: SimpleArithmetic + FullCodec + Copy + MaybeSerializeDebug + Default;
 	/// The opaque token type for an imbalance. This is returned by unbalanced operations
 	/// and must be dealt with. It may be dropped but cannot be cloned.
@@ -615,7 +615,7 @@ bitmask! {
 }
 pub trait Time {
-	type Moment: SimpleArithmetic + Codec + Clone + Default + Copy;
+	type Moment: SimpleArithmetic + FullCodec + Clone + Default + Copy;
 	fn now() -> Self::Moment;
 }
@@ -20,11 +20,11 @@ use codec::Encode;
 use support::{StorageDoubleMap, StorageLinkedMap, StorageMap, StorageValue};
 mod no_instance {
-	use codec::{Encode, Decode};
+	use codec::{Encode, Decode, EncodeLike};
 	pub trait Trait {
 		type Origin;
-		type BlockNumber: Encode + Decode + Default + Clone;
+		type BlockNumber: Encode + Decode + EncodeLike + Default + Clone;
 	}
 	support::decl_module! {
@@ -15,7 +15,7 @@
 // along with Substrate.  If not, see <http://www.gnu.org/licenses/>.
 pub trait Trait {
-	type BlockNumber: codec::Codec + Default;
+	type BlockNumber: codec::Codec + codec::EncodeLike + Default;
 	type Origin;
 }
@@ -45,7 +45,7 @@ mod module1 {
 		type Event: From<Event<Self, I>> + Into<<Self as system::Trait>::Event>;
 		type Origin: From<Origin<Self, I>>;
 		type SomeParameter: Get<u32>;
-		type GenericType: Default + Clone + codec::Codec;
+		type GenericType: Default + Clone + codec::Codec + codec::EncodeLike;
 	}
 	support::decl_module! {
@@ -314,10 +314,10 @@ fn storage_instance_independance() {
 		module2::Map::<module2::Instance1>::insert(0, 0);
 		module2::Map::<module2::Instance2>::insert(0, 0);
 		module2::Map::<module2::Instance3>::insert(0, 0);
-		module2::LinkedMap::<module2::DefaultInstance>::insert(0, vec![]);
+		module2::LinkedMap::<module2::DefaultInstance>::insert::<_, Vec<u8>>(0, vec![]);
-		module2::LinkedMap::<module2::Instance1>::insert(0, vec![]);
+		module2::LinkedMap::<module2::Instance1>::insert::<_, Vec<u8>>(0, vec![]);
-		module2::LinkedMap::<module2::Instance2>::insert(0, vec![]);
+		module2::LinkedMap::<module2::Instance2>::insert::<_, Vec<u8>>(0, vec![]);
-		module2::LinkedMap::<module2::Instance3>::insert(0, vec![]);
+		module2::LinkedMap::<module2::Instance3>::insert::<_, Vec<u8>>(0, vec![]);
 		module2::DoubleMap::<module2::DefaultInstance>::insert(&0, &0, &0);
 		module2::DoubleMap::<module2::Instance1>::insert(&0, &0, &0);
 		module2::DoubleMap::<module2::Instance2>::insert(&0, &0, &0);
@@ -377,7 +377,7 @@ fn storage_with_instance_basic_operation() {
 		assert_eq!(LinkedMap::get(key), vec![]);
 		assert_eq!(LinkedMap::exists(key), false);
 		assert_eq!(LinkedMap::enumerate().count(), 1);
-		LinkedMap::insert_ref(key, &vec![1]);
+		LinkedMap::insert(key, &vec![1]);
 		assert_eq!(LinkedMap::enumerate().count(), 2);
 		let key1 = 1;
@@ -1,12 +1,12 @@
-use support::codec::{Encode, Decode};
+use support::codec::{Encode, Decode, EncodeLike};
 pub trait Trait: 'static + Eq + Clone {
 	type Origin: Into<Result<RawOrigin<Self::AccountId>, Self::Origin>>
 		+ From<RawOrigin<Self::AccountId>>;
-	type BlockNumber: Decode + Encode + Clone + Default;
+	type BlockNumber: Decode + Encode + EncodeLike + Clone + Default;
 	type Hash;
-	type AccountId: Encode + Decode;
+	type AccountId: Encode + EncodeLike + Decode;
 	type Event: From<Event>;
 }