separate trie from util and make its dependencies into libs:

* bytes
* hashdb
* memorydb
* nibbleslice
* nibblevec

evmbin/Cargo.toml

@@ -17,6 +17,7 @@ ethcore = { path = "../ethcore" }
 ethjson = { path = "../json" }
 ethcore-util = { path = "../util" }
 ethcore-bigint = { path = "../util/bigint" }
+ethcore-bytes = { path = "../util/bytes" }
 evm = { path = "../ethcore/evm" }
 vm = { path = "../ethcore/vm" }
 panic_hook = { path = "../panic_hook" }

evmbin/src/display/json.rs

@@ -20,7 +20,7 @@ use ethcore::trace;
 use std::collections::HashMap;
 use bigint::prelude::U256;
 use bigint::hash::H256;
-use util::ToPretty;
+use bytes::ToPretty;
 
 use display;
 use info as vm;

evmbin/src/display/simple.rs

@@ -17,7 +17,7 @@
 //! Simple VM output.
 
 use ethcore::trace;
-use util::ToPretty;
+use bytes::ToPretty;
 
 use display;
 use info as vm;

evmbin/src/main.rs

@@ -27,6 +27,7 @@ extern crate serde_derive;
 extern crate docopt;
 extern crate ethcore_util as util;
 extern crate ethcore_bigint as bigint;
+extern crate ethcore_bytes as bytes;
 extern crate vm;
 extern crate evm;
 extern crate panic_hook;
@@ -37,7 +38,8 @@ use std::path::PathBuf;
 use docopt::Docopt;
 use rustc_hex::FromHex;
 use bigint::prelude::U256;
-use util::{Bytes, Address};
+use util::Address;
+use bytes::Bytes;
 use ethcore::spec;
 use vm::{ActionParams, CallType};