* Create new column family for local node info
* remove DBTransaction::new reliance on DB
* KeyValueDB trait
* InMemory KeyValueDB implementation
* journaldb generic over KVDB
* make most of `ethcore` generic over KVDB
* fix json tests compilation
* get all tests compiling
* implement local store (just for transactions)
* finish local store API, test
* put everything into place
* better test for skipping bad transactions
* fix warning
* update local store every 15 minutes
* remove superfluous `{}`s
* to_rlp takes self by-reference
* clean up some derefs
* out-of-order insertion for blockchain
* implement block rebuilder without verification
* group block chunk header into struct
* block rebuilder does verification
* integrate snapshot service with client service; flesh out implementation more
* initial implementation of snapshot service
* remove snapshottaker trait
* snapshot writer trait with packed and loose implementations
* write chunks using "snapshotwriter" in service
* have snapshot taking use snapshotwriter
* implement snapshot readers
* back up client dbs when replacing
* use snapshot reader in snapshot service
* describe offset format
* use new get_db_path in parity, allow some errors in service
* blockchain formatting
* implement parity snapshot
* implement snapshot restore
* force blocks to be submitted in order
* fix bug loading block hashes in packed reader
* fix seal field loading
* fix uncle hash computation
* fix a few bugs
* store genesis state in db. reverse block chunk order in packed writer
* allow out-of-order import for blocks
* bring restoration types together
* only snapshot the last 30000 blocks
* restore into overlaydb instead of journaldb
* commit version to database
* use memorydbs and commit directly
* fix trie test compilation
* fix failing tests
* sha3_null_rlp, not H256::zero
* move overlaydb to ref_overlaydb, add new overlaydb without on-disk rc
* port archivedb to new overlaydb
* add deletion mode tests for overlaydb
* use new overlaydb, check state root at end
* share chain info between state and block snapshotting
* create blocks snapshot using blockchain directly
* allow snapshot from arbitrary block, remove panickers from snapshot creation
* begin test framework
* blockchain chunking test
* implement stateproducer::tick
* state snapshot test
* create block and state chunks concurrently, better restoration informant
* fix tests
* add deletion mode tests for overlaydb
* address comments
* more tests
* Fix up tests.
* remove a few printlns
* add a little more documentation to `commit`
* fix tests
* fix ref_overlaydb test names
* snapshot command skeleton
* revert ref_overlaydb renaming
* reimplement snapshot commands
* fix many errors
* everything but inject
* get ethcore compiling
* get snapshot tests passing again
* instrument snapshot commands again
* fix fallout from other changes, mark snapshots as experimental
* optimize injection patterns
* do two injections
* fix up tests
* take snapshots from 1000 blocks efore
* address minor comments
* fix a few io crate related errors
* clarify names about total difficulty
[ci skip]
* Consolidation migration
* Started db amalgamation
* Using client constants for columns
* Adding with_columns constructor
* Migrating to single db
* Fixing tests.
* test.sh without verbose
* Fixing warnings
* add migration tests that catch the bug
* make multiple migrations more robust
* add moved v9
* Merge branch 'noop-migrations' into single-db
* spurious line
* clean up migrations ordering
* update comment [ci skip]
* Bumping default number of max_open_files & re-ordering columns.
* fix merge
* fix ignored analysis tests
* Caching best block content
* Faster best_block_header
* Adding progress to v8 migration
* clean up warnings
* Separate hashes and bodies in the DB
* Separate hashes and bodies in the DB
* Fixed tests
* removed old json-tests
* simplify folds in triehash.rs
* removed unused json_aid
* removed unused squeeze.rs
* json branching tests for trie
* removing todos from util
* separated UsingQueue and Table
* further cleanup, removing unused code
* serde serialization of hash moved to rpc module
* uint wrapper for rpc in progress
* serialization of uint moved to rpc module
* updated eth-secp256k1
* updated igd, serde is no longer dependency of util
* loading trie consensus tests
* renamed aliases in rpc imports
