grassrootseconomics/openethereum
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fixed grumbles

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This commit is contained in:
debris
2017-08-31 12:38:53 +02:00
parent 94f717a255
commit ba3b2712a1
3 changed files with 10 additions and 6 deletions
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8
util/hash/src/lib.rs
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@@ -31,19 +31,23 @@ pub const KECCAK_NULL_RLP: H256 = H256( [0x56, 0xe8, 0x1f, 0x17, 0x1b, 0xcc, 0x5
pub const KECCAK_EMPTY_LIST_RLP: H256 = H256( [0x1d, 0xcc, 0x4d, 0xe8, 0xde, 0xc7, 0x5d, 0x7a, 0xab, 0x85, 0xb5, 0x67, 0xb6, 0xcc, 0xd4, 0x1a, 0xd3, 0x12, 0x45, 0x1b, 0x94, 0x8a, 0x74, 0x13, 0xf0, 0xa1, 0x42, 0xfd, 0x40, 0xd4, 0x93, 0x47] );
extern {
/// Hashes input. Returns -1 if either out or input does not exist. Otherwise returns 0.
pub fn keccak_256(out: *mut u8, outlen: usize, input: *const u8, inputlen: usize) -> i32;
/// Hashes input. Returns -1 if either out or input does not exist. Otherwise returns 0.
pub fn keccak_512(out: *mut u8, outlen: usize, input: *const u8, inputlen: usize) -> i32;
}
pub fn keccak<T: AsRef<[u8]>>(s: T) -> H256 {
let mut result = [0u8; 32];
keccak_into(s, &mut result);
write_keccak(s, &mut result);
H256(result)
}
pub fn keccak_into<T: AsRef<[u8]>>(s: T, dest: &mut [u8]) {
pub fn write_keccak<T: AsRef<[u8]>>(s: T, dest: &mut [u8]) {
let input = s.as_ref();
unsafe {
// we can safely ignore keccak_256 output, cause we know that both input
// and dest are properly allocated
keccak_256(dest.as_mut_ptr(), dest.len(), input.as_ptr(), input.len());
}
}