Update to parity-scale-codec (#3232)

* WIP: update codec

* WIP

* compiling

* WIP

* rename parity-scale-codec to codec

* WIP

* fix

* remove old comments

* use published crates

* fix expected error msg

* bump version

* fmt and fix

* remove old comment

* fix wrong decoding impl

* implement encode like for structures

* undo removal of old pending changes

* trailingzeroinput

* Apply suggestions from code review

Co-Authored-By: Bastian Köcher <bkchr@users.noreply.github.com>
Co-Authored-By: DemiMarie-parity <48690212+DemiMarie-parity@users.noreply.github.com>

* update codec

* fmt

* version is 1.0.0

* show more error

* fmt

substrate/srml/executive/Cargo.toml

@@ -6,7 +6,7 @@ edition = "2018"
 
 [dependencies]
 serde = { version = "1.0", optional = true }
-parity-codec = { version = "4.1.1", default-features = false, features = ["derive"] }
+codec = { package = "parity-scale-codec", version = "1.0.0", default-features = false, features = ["derive"] }
 rstd = { package = "sr-std", path = "../../core/sr-std", default-features = false }
 runtime_io = { package = "sr-io", path = "../../core/sr-io", default-features = false }
 sr-primitives = { path = "../../core/sr-primitives", default-features = false }
@@ -25,7 +25,7 @@ std = [
 	"rstd/std",
 	"srml-support/std",
 	"serde",
-	"parity-codec/std",
+	"codec/std",
 	"sr-primitives/std",
 	"runtime_io/std",
 	"system/std",

substrate/srml/executive/src/lib.rs

@@ -82,7 +82,7 @@ use sr_primitives::{generic::Digest, traits::{
 	OnInitialize, NumberFor, Block as BlockT, OffchainWorker, ValidateUnsigned
 }};
 use srml_support::Dispatchable;
-use parity_codec::{Codec, Encode};
+use codec::{Codec, Encode};
 use system::{extrinsics_root, DigestOf};
 use sr_primitives::{ApplyOutcome, ApplyError};
 use sr_primitives::transaction_validity::TransactionValidity;