From 1934cb3bdd4b02c9f975f5afa39ae9d53c54211f Mon Sep 17 00:00:00 2001
From: debris <marek.kotewicz@gmail.com>
Date: Tue, 1 Dec 2015 01:35:32 +0100
Subject: [PATCH] updated tiny_keccak library

---
 Cargo.toml  | 2 +-
 src/sha3.rs | 6 ++++--
 2 files changed, 5 insertions(+), 3 deletions(-)

diff --git a/Cargo.toml b/Cargo.toml
index 51e9f4470..de4dcd41b 100644
--- a/Cargo.toml
+++ b/Cargo.toml
@@ -14,7 +14,7 @@ arrayvec = "0.3"
 mio = "0.4.4"
 rand = "0.3.12"
 time = "0.1.34"
-tiny-keccak = "0.3"
+tiny-keccak = "1.0"
 rocksdb = "0.2.1"
 num = "0.1"
 lazy_static = "0.1.*"
diff --git a/src/sha3.rs b/src/sha3.rs
index ee328913c..11d7ca274 100644
--- a/src/sha3.rs
+++ b/src/sha3.rs
@@ -1,5 +1,5 @@
 use std::mem::uninitialized;
-use tiny_keccak::keccak_256;
+use tiny_keccak::Keccak;
 use bytes::BytesConvertable;
 use hash::{FixedHash, H256};
 
@@ -10,8 +10,10 @@ pub trait Hashable {
 impl<T> Hashable for T where T: BytesConvertable {
 	fn sha3(&self) -> H256 {
 		unsafe {
+			let mut keccak = Keccak::new_keccak256();
+			keccak.update(self.bytes());
 			let mut ret: H256 = uninitialized();
-			keccak_256(self.bytes(), ret.mut_bytes());
+			keccak.finalize(ret.mut_bytes());
 			ret
 		}
 	}