Bloomchain (#1014)

* use bloomchain crate in blockchain module. remove obsole chainfilter submodule

* update database version to 6.0

* removed redundant line

* simple db migration

* make migration slightly more functional

* bloomchain migration

* migration version is just a single unsigned integer

* updated migration v6

* parity migration

* db migration

* removed hardcoded migration dir

* replace ptr::copy with clone_from_slice, removed potential endianess problem from trace/db.rs

* removed superfluous line

* blockchains log blooms config is not exposed any more

ethcore/src/client/client.rs

@@ -32,7 +32,7 @@ use env_info::LastHashes;
 use verification::*;
 use block::*;
 use transaction::{LocalizedTransaction, SignedTransaction, Action};
-use extras::TransactionAddress;
+use blockchain::extras::TransactionAddress;
 use filter::Filter;
 use log_entry::LocalizedLogEntry;
 use block_queue::{BlockQueue, BlockQueueInfo};

ethcore/src/client/config.rs

@@ -15,7 +15,7 @@
 // along with Parity.  If not, see <http://www.gnu.org/licenses/>.
 
 pub use block_queue::BlockQueueConfig;
-pub use blockchain::BlockChainConfig;
+pub use blockchain::Config as BlockChainConfig;
 pub use trace::{Config as TraceConfig, Switch};
 pub use evm::VMType;
 use util::journaldb;

ethcore/src/client/test_client.rs

@@ -25,7 +25,7 @@ use header::{Header as BlockHeader, BlockNumber};
 use filter::Filter;
 use log_entry::LocalizedLogEntry;
 use receipt::{Receipt, LocalizedReceipt};
-use extras::BlockReceipts;
+use blockchain::extras::BlockReceipts;
 use error::{ImportResult};
 use evm::Factory as EvmFactory;
 

ethcore/src/client/trace.rs

@@ -6,7 +6,7 @@ use util::{Address, H256};
 use header::BlockNumber;
 use trace::DatabaseExtras as TraceDatabaseExtras;
 use blockchain::{BlockChain, BlockProvider};
-use extras::TransactionAddress;
+use blockchain::extras::TransactionAddress;
 use super::BlockID;
 
 impl TraceDatabaseExtras for BlockChain {