dissolve util (#7460)

* ethereum-types refactor in progress

* ethereum-types refactor in progress

* ethereum-types refactor in progress

* ethereum-types refactor in progress

* ethereum-types refactor finished

* removed obsolete util/src/lib.rs

* removed commented out code

Cargo.toml

@@ -10,7 +10,7 @@ elastic-array = "0.9"
 log = "0.3"
 rand = "0.3"
 ethcore-bytes = { version = "0.1.0", path = "../bytes" }
-ethcore-bigint = { version = "0.2.1", path = "../bigint" }
+ethereum-types = "0.1"
 keccak-hash = { version = "0.1.0", path = "../hash" }
 hashdb = { version = "0.1.1", path = "../hashdb" }
 rlp = { version = "0.2.1", path = "../rlp" }

src/fatdb.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 bigint::hash::H256;
+use ethereum_types::H256;
 use keccak::keccak;
 use hashdb::HashDB;
 use super::{TrieDB, Trie, TrieDBIterator, TrieItem, TrieIterator, Query};

src/fatdbmut.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 bigint::hash::H256;
+use ethereum_types::H256;
 use keccak::keccak;
 use hashdb::{HashDB, DBValue};
 use super::{TrieDBMut, TrieMut};

src/lib.rs

@@ -16,7 +16,7 @@
 
 //! Trie interface and implementation.
 extern crate rand;
-extern crate ethcore_bigint as bigint;
+extern crate ethereum_types;
 extern crate keccak_hash as keccak;
 extern crate rlp;
 extern crate hashdb;
@@ -29,7 +29,7 @@ extern crate ethcore_logger;
 extern crate log;
 
 use std::{fmt, error};
-use bigint::hash::H256;
+use ethereum_types::H256;
 use keccak::KECCAK_NULL_RLP;
 use hashdb::{HashDB, DBValue};
 

src/lookup.rs

@@ -19,7 +19,7 @@
 use hashdb::HashDB;
 use nibbleslice::NibbleSlice;
 use rlp::Rlp;
-use bigint::hash::H256;
+use ethereum_types::H256;
 
 use super::{TrieError, Query};
 use super::node::Node;

src/recorder.rs

@@ -17,7 +17,7 @@
 //! Trie query recorder.
 
 use keccak::keccak;
-use bigint::hash::H256;
+use ethereum_types::H256;
 use bytes::Bytes;
 
 /// A record of a visited node.
@@ -83,7 +83,7 @@ impl Recorder {
 #[cfg(test)]
 mod tests {
 	use super::*;
-	use bigint::hash::H256;
+	use ethereum_types::H256;
 
 	#[test]
 	fn basic_recorder() {

src/sectriedb.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 bigint::hash::H256;
+use ethereum_types::H256;
 use keccak::keccak;
 use hashdb::HashDB;
 use super::triedb::TrieDB;

src/sectriedbmut.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 bigint::hash::H256;
+use ethereum_types::H256;
 use keccak::keccak;
 use hashdb::{HashDB, DBValue};
 use super::triedbmut::TrieDBMut;

src/standardmap.rs

@@ -17,7 +17,7 @@
 //! Key-value datastore with a modified Merkle tree.
 use keccak::keccak;
 use bytes::*;
-use bigint::hash::*;
+use ethereum_types::H256;
 use rlp::encode;
 
 /// Alphabet to use when creating words for insertion into tries.

src/triedb.rs

@@ -21,7 +21,7 @@ use rlp::*;
 use super::node::{Node, OwnedNode};
 use super::lookup::Lookup;
 use super::{Trie, TrieItem, TrieError, TrieIterator, Query};
-use bigint::hash::H256;
+use ethereum_types::H256;
 use bytes::{ToPretty, Bytes};
 
 /// A `Trie` implementation using a generic `HashDB` backing database.
@@ -34,12 +34,12 @@ use bytes::{ToPretty, Bytes};
 /// extern crate patricia_trie as trie;
 /// extern crate hashdb;
 /// extern crate memorydb;
-/// extern crate ethcore_bigint as bigint;
+/// extern crate ethereum_types;
 ///
 /// use trie::*;
 /// use hashdb::*;
 /// use memorydb::*;
-/// use bigint::hash::*;
+/// use ethereum_types::H256;
 ///
 /// fn main() {
 ///   let mut memdb = MemoryDB::new();

src/triedbmut.rs

@@ -30,7 +30,7 @@ use hashdb::DBValue;
 use std::collections::{HashSet, VecDeque};
 use std::mem;
 use std::ops::Index;
-use bigint::hash::H256;
+use ethereum_types::H256;
 use elastic_array::ElasticArray1024;
 use keccak::{KECCAK_NULL_RLP};
 
@@ -265,13 +265,13 @@ impl<'a> Index<&'a StorageHandle> for NodeStorage {
 /// extern crate keccak_hash;
 /// extern crate hashdb;
 /// extern crate memorydb;
-/// extern crate ethcore_bigint as bigint;
+/// extern crate ethereum_types;
 ///
 /// use keccak_hash::KECCAK_NULL_RLP;
 /// use trie::*;
 /// use hashdb::*;
 /// use memorydb::*;
-/// use bigint::hash::*;
+/// use ethereum_types::H256;
 ///
 /// fn main() {
 ///   let mut memdb = MemoryDB::new();