33 lines
773 B
Rust
33 lines
773 B
Rust
use std::mem::uninitialized;
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use tiny_keccak::Keccak;
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use bytes::BytesConvertable;
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use hash::{FixedHash, H256};
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pub trait Hashable {
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fn sha3(&self) -> H256;
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}
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impl<T> Hashable for T where T: BytesConvertable {
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fn sha3(&self) -> H256 {
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unsafe {
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let mut keccak = Keccak::new_keccak256();
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keccak.update(self.bytes());
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let mut ret: H256 = uninitialized();
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keccak.finalize(ret.mut_bytes());
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ret
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}
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}
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}
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#[test]
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fn sha3_empty() {
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use std::str::FromStr;
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assert_eq!([0u8; 0].sha3(), H256::from_str("c5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470").unwrap());
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}
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#[test]
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fn sha3_as() {
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use std::str::FromStr;
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assert_eq!([0x41u8; 32].sha3(), H256::from_str("59cad5948673622c1d64e2322488bf01619f7ff45789741b15a9f782ce9290a8").unwrap());
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}
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