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ripemd160 builtin and tests.

This commit is contained in:
Gav Wood 2016-01-08 00:31:21 +01:00
parent d94fcbd839
commit 7e873a8bbe
1 changed files with 26 additions and 3 deletions
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29
src/builtin.rs
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@ -8,6 +8,7 @@ use rustc_serialize::json::Json;
use std::io::Write;
use util::crypto::*;
use crypto::sha2::Sha256;
use crypto::ripemd160::Ripemd160;
use crypto::digest::Digest;
/// Definition of a contract whose implementation is built-in.
@ -112,10 +113,13 @@ pub fn new_builtin_exec(name: &str) -> Option<Box<Fn(&[u8], &mut [u8])>> {
sha.result(ret.as_slice_mut());
copy_to(&ret, output);
}
// dev::sha256(_in).ref().copyTo(_out);
})),
"ripemd160" => Some(Box::new(move|_input: &[u8], _output: &mut[u8]| {
// h256(dev::ripemd160(_in), h256::AlignRight).ref().copyTo(_out);
"ripemd160" => Some(Box::new(move|input: &[u8], output: &mut[u8]| {
let mut sha = Ripemd160::new();
sha.input(input);
let mut ret = H256::new();
sha.result(&mut ret.as_slice_mut()[12..32]);
copy_to(&ret, output);
})),
_ => None
}
@ -159,6 +163,25 @@ fn sha256() {
assert_eq!(&o34[..], &(FromHex::from_hex("e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855ffff").unwrap())[..]);
}
#[test]
fn ripemd160() {
use rustc_serialize::hex::FromHex;
let f = new_builtin_exec("ripemd160").unwrap();
let i = [0u8; 0];
let mut o = [255u8; 32];
f(&i[..], &mut o[..]);
assert_eq!(&o[..], &(FromHex::from_hex("0000000000000000000000009c1185a5c5e9fc54612808977ee8f548b2258d31").unwrap())[..]);
let mut o8 = [255u8; 8];
f(&i[..], &mut o8[..]);
assert_eq!(&o8[..], &(FromHex::from_hex("0000000000000000").unwrap())[..]);
let mut o34 = [255u8; 34];
f(&i[..], &mut o34[..]);
assert_eq!(&o34[..], &(FromHex::from_hex("0000000000000000000000009c1185a5c5e9fc54612808977ee8f548b2258d31ffff").unwrap())[..]);
}
#[test]
fn ecrecover() {
use rustc_serialize::hex::FromHex;