Extract blockchain from ethcore (#10114)

* Split blockchain & db from ethcore.

* Clean up blockchain deps.

* Missing docs.

* Fix blockchain tests.

* Make other crates compile.

* Remove some re-exports.

* Remove types re-export from ethcore.

* Remove EVM dependency from transaction.

* Merge ethcore-transaction with common-types.

* Clean-up ethcore deps a bit.

* remove ethcore from cargo.toml

* Update ethcore/blockchain/src/lib.rs

Co-Authored-By: tomusdrw <tomusdrw@users.noreply.github.com>

* Address review comments.

* Update DB comment.

* Add tracking issue to the TODO and fix typo.

* Common naming for common types.

* Update ethcore/db/src/keys.rs

Co-Authored-By: tomusdrw <tomusdrw@users.noreply.github.com>

* Update ethcore/blockchain/src/generator.rs

Co-Authored-By: tomusdrw <tomusdrw@users.noreply.github.com>

* Try to fix beta tests.

ethcore/vm/src/env_info.rs

@@ -20,9 +20,10 @@ use std::cmp;
 use std::sync::Arc;
 use hash::keccak;
 use ethereum_types::{U256, H256, Address};
-use types::BlockNumber;
 use ethjson;
 
+type BlockNumber = u64;
+
 /// Simple vector of hashes, should be at most 256 items large, can be smaller if being used
 /// for a block whose number is less than 257.
 pub type LastHashes = Vec<H256>;

ethcore/vm/src/lib.rs

@@ -18,7 +18,6 @@
 
 extern crate ethereum_types;
 extern crate parity_bytes as bytes;
-extern crate common_types as types;
 extern crate ethjson;
 extern crate rlp;
 extern crate keccak_hash as hash;