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Merge branch 'master' of https://github.com/gavofyork/ethcore-util

This commit is contained in:
debris 2015-11-26 00:10:53 +01:00
parent 4748ed5221 50c79e091b
commit c6aa0c5dc0
5 changed files with 55 additions and 66 deletions
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66
Cargo.lock generated
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@ -1,66 +0,0 @@
[root]
name = "ethcore-util"
version = "0.1.0"
dependencies = [
"env_logger 0.3.2 (registry+https://github.com/rust-lang/crates.io-index)",
"log 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
name = "aho-corasick"
version = "0.3.4"
source = "registry+https://github.com/rust-lang/crates.io-index"
dependencies = [
"memchr 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
name = "env_logger"
version = "0.3.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
dependencies = [
"log 0.3.3 (registry+https://github.com/rust-lang/crates.io-index)",
"regex 0.1.41 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
name = "libc"
version = "0.1.12"
source = "registry+https://github.com/rust-lang/crates.io-index"
[[package]]
name = "libc"
version = "0.2.2"
source = "registry+https://github.com/rust-lang/crates.io-index"
[[package]]
name = "log"
version = "0.3.3"
source = "registry+https://github.com/rust-lang/crates.io-index"
dependencies = [
"libc 0.1.12 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
name = "memchr"
version = "0.1.7"
source = "registry+https://github.com/rust-lang/crates.io-index"
dependencies = [
"libc 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
name = "regex"
version = "0.1.41"
source = "registry+https://github.com/rust-lang/crates.io-index"
dependencies = [
"aho-corasick 0.3.4 (registry+https://github.com/rust-lang/crates.io-index)",
"memchr 0.1.7 (registry+https://github.com/rust-lang/crates.io-index)",
"regex-syntax 0.2.2 (registry+https://github.com/rust-lang/crates.io-index)",
]
[[package]]
name = "regex-syntax"
version = "0.2.2"
source = "registry+https://github.com/rust-lang/crates.io-index"

2
Cargo.toml
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@ -9,3 +9,5 @@ authors = ["Ethcore <admin@ethcore.io>"]
[dependencies]
log = "0.3"
env_logger = "0.3"
rustc-serialize = "0.3"
arrayvec = "0.3"

13
src/error.rs Normal file
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@ -0,0 +1,13 @@
use rustc_serialize::hex::*;
#[derive(Debug)]
pub enum EthcoreError {
FromHex(FromHexError),
BadSize
}
impl From<FromHexError> for EthcoreError {
fn from(err: FromHexError) -> EthcoreError {
EthcoreError::FromHex(err)
}
}

36
src/hash.rs Normal file
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@ -0,0 +1,36 @@
use rustc_serialize::hex::*;
use error::EthcoreError;
use std::str::FromStr;
macro_rules! impl_hash {
($from: ident, $size: expr) => {
#[derive(PartialEq, Debug)]
struct $from ([u8; $size]);
impl FromStr for $from {
// type Output = $from;
type Err = EthcoreError;
fn from_str(s: &str) -> Result<$from, EthcoreError> {
let a = try!(s.from_hex());
if a.len() != $size { return Err(EthcoreError::BadSize); }
let mut ret = $from([0;$size]);
for i in 0..$size {
ret.0[i] = a[i];
}
Ok(ret)
}
}
}
}
impl_hash!(Hash64, 8);
impl_hash!(Hash128, 16);
impl_hash!(Address, 20);
impl_hash!(Hash256, 32);
//impl_hash!(Hash512, 64);
#[test]
fn it_works() {
assert_eq!(Hash64::from_str("0123456789abcdef").unwrap(), Hash64([0x01, 0x23, 0x45, 0x67, 0x89, 0xab, 0xcd, 0xef]));
}

4
src/lib.rs
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@ -1,3 +1,7 @@
extern crate rustc_serialize;
pub mod error;
pub mod hash;
pub mod bytes;
pub mod rlp;