Hashable::sha3 -> fn keccak for ethcore

ethcore/src/client/test_client.rs

@@ -22,6 +22,7 @@ use std::collections::{HashMap, BTreeMap};
 use std::mem;
 use itertools::Itertools;
 use rustc_hex::FromHex;
+use hash::keccak;
 use util::*;
 use rlp::*;
 use ethkey::{Generator, Random};
@@ -241,7 +242,7 @@ impl TestBlockChainClient {
 					uncle_header.set_parent_hash(self.last_hash.read().clone());
 					uncle_header.set_number(n as BlockNumber);
 					uncles.append(&uncle_header);
-					header.set_uncles_hash(uncles.as_raw().sha3());
+					header.set_uncles_hash(keccak(uncles.as_raw()));
 					uncles
 				},
 				_ => RlpStream::new_list(0)