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Use primitive-types crate to unify Parity Ethereum primitives (#1187)

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* Unify primitive types with parity-ethereum

* Update primtive-types patch version

* Fix merge issue

* Add necessary fixed-hash features

* Fix node-primitives compile

* Reexport impl_serde::serialize as bytes to avoid path changes
This commit is contained in:
Wei Tang
2019-01-07 15:54:59 +01:00
committed by Gav Wood
parent cb52401350
commit f5c4abd0f3
8 changed files with 55 additions and 290 deletions
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substrate/core/primitives/src/uint.rs
+1 -49
View File
@@ -16,55 +16,7 @@
//! An unsigned fixed-size integer.
#[cfg(feature = "std")]
use serde::{Serialize, Serializer, Deserialize, Deserializer};
#[cfg(feature = "std")]
use bytes;
macro_rules! impl_serde {
($name: ident, $len: expr) => {
#[cfg(feature = "std")]
impl Serialize for $name {
fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error> where S: Serializer {
let mut bytes = [0u8; $len * 8];
self.to_big_endian(&mut bytes);
bytes::serialize_uint(&bytes, serializer)
}
}
#[cfg(feature = "std")]
impl<'de> Deserialize<'de> for $name {
fn deserialize<D>(deserializer: D) -> Result<Self, D::Error> where D: Deserializer<'de> {
bytes::deserialize_check_len(deserializer, bytes::ExpectedLen::Between(0, $len * 8))
.map(|x| (&*x).into())
}
}
}
}
macro_rules! impl_codec {
($name: ident, $len: expr) => {
impl ::codec::Encode for $name {
fn using_encoded<R, F: FnOnce(&[u8]) -> R>(&self, f: F) -> R {
let mut bytes = [0u8; $len * 8];
self.to_little_endian(&mut bytes);
bytes.using_encoded(f)
}
}
impl ::codec::Decode for $name {
fn decode<I: ::codec::Input>(input: &mut I) -> Option<Self> {
<[u8; $len * 8] as ::codec::Decode>::decode(input)
.map(|b| $name::from_little_endian(&b))
}
}
}
}
construct_uint!(U256, 4);
impl_serde!(U256, 4);
impl_codec!(U256, 4);
pub use primitive_types::U256;
#[cfg(test)]
mod tests {