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Derivable Encode & Decode (#509)

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* Derive macro for simple structs.

* Derive Encode/Decode wherever we can.

* Derive for enums.

* Support discriminant.

* Get rid of some repetition.

* Support custom indices.

* Derive codec for enums wherever possible.

* Fix no_std

* WASM rebuilt

* Avoid excessive import.

* Fix compilation.

* Address review grumbles.
This commit is contained in:
Tomasz Drwięga
2018-08-08 17:47:22 +02:00
committed by Sergey Pepyakin
parent 66432490fa
commit 5fe73de49f
18 changed files with 79 additions and 437 deletions
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polkadot/primitives/src/lib.rs
+6 -16
View File
@@ -21,13 +21,16 @@
#![cfg_attr(not(feature = "std"), no_std)]
#![cfg_attr(not(feature = "std"), feature(alloc))]
extern crate substrate_runtime_std as rstd;
extern crate substrate_codec as codec;
extern crate substrate_primitives as primitives;
extern crate substrate_runtime_primitives as runtime_primitives;
extern crate substrate_runtime_std as rstd;
#[cfg(test)]
extern crate substrate_serializer;
extern crate substrate_codec as codec;
#[macro_use]
extern crate substrate_codec_derive;
#[cfg(feature = "std")]
#[macro_use]
@@ -42,7 +45,6 @@ use primitives::bytes;
use rstd::prelude::*;
use runtime_primitives::traits::BlakeTwo256;
use runtime_primitives::generic;
use codec::{Encode, Decode, Input, Output};
pub mod parachain;
@@ -105,18 +107,6 @@ pub type Balance = u128;
pub type BlockId = generic::BlockId<Block>;
/// A log entry in the block.
#[derive(PartialEq, Eq, Clone, Default)]
#[derive(PartialEq, Eq, Clone, Default, Encode, Decode)]
#[cfg_attr(feature = "std", derive(Serialize, Deserialize, Debug))]
pub struct Log(#[cfg_attr(feature = "std", serde(with="bytes"))] pub Vec<u8>);
impl Decode for Log {
fn decode<I: Input>(input: &mut I) -> Option<Self> {
Vec::<u8>::decode(input).map(Log)
}
}
impl Encode for Log {
fn encode_to<T: Output>(&self, dest: &mut T) {
self.0.encode_to(dest)
}
}