separate trie from util and make its dependencies into libs:

* bytes
* hashdb
* memorydb
* nibbleslice
* nibblevec

util/network/src/connection.rs

@@ -23,7 +23,7 @@ use mio::{Token, Ready, PollOpt};
 use mio::deprecated::{Handler, EventLoop, TryRead, TryWrite};
 use mio::tcp::*;
 use bigint::hash::*;
-use util::bytes::*;
+use ethcore_bytes::*;
 use rlp::*;
 use std::io::{self, Cursor, Read, Write};
 use error::*;
@@ -510,7 +510,7 @@ mod tests {
 	use std::io::{Read, Write, Error, Cursor, ErrorKind};
 	use mio::{Ready};
 	use std::collections::VecDeque;
-	use util::bytes::Bytes;
+	use ethcore_bytes::Bytes;
 	use devtools::*;
 	use io::*;
 

util/network/src/discovery.rs

@@ -14,7 +14,7 @@
 // You should have received a copy of the GNU General Public License
 // along with Parity.  If not, see <http://www.gnu.org/licenses/>.
 
-use util::bytes::Bytes;
+use ethcore_bytes::Bytes;
 use std::net::SocketAddr;
 use std::collections::{HashSet, HashMap, BTreeMap, VecDeque};
 use std::mem;

util/network/src/handshake.rs

@@ -19,7 +19,7 @@ use rand::random;
 use hash::write_keccak;
 use mio::tcp::*;
 use bigint::hash::*;
-use util::bytes::Bytes;
+use ethcore_bytes::Bytes;
 use rlp::*;
 use connection::{Connection};
 use host::{HostInfo};

util/network/src/lib.rs

@@ -60,6 +60,7 @@
 extern crate ethcore_io as io;
 extern crate ethcore_util as util;
 extern crate ethcore_bigint as bigint;
+extern crate ethcore_bytes;
 extern crate parking_lot;
 extern crate mio;
 extern crate tiny_keccak;

util/network/src/tests.rs

@@ -20,7 +20,7 @@ use std::sync::Arc;
 use std::thread;
 use std::time::*;
 use parking_lot::Mutex;
-use util::Bytes;
+use ethcore_bytes::Bytes;
 use io::TimerToken;
 use ethkey::{Random, Generator};