* 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
* new Compressible rlp trait
* new Compressible rlp trait
* make compressed rlp iterable
* make compressed rlp iterable
* invalid rlp slice swapper
* switch compress to swapper, add reverse swapper test case
* add basic account compression test
* add new rlp trait
* new Compressible rlp trait
* make compressed rlp iterable
* invalid rlp slice swapper
* invalid rlp slice swapper
* switch compress to swapper, add reverse swapper test case
* switch compress to swapper, add reverse swapper test case
* add account compress/ decompress test
* make compressor cleaner, use hashmaps for swapper
* improve compression tests
* add a DecompressingDecoder, change Decoder to take refernce
* separate rlp compression related stuff
* new Compressible rlp trait
* new Compressible rlp trait
* new Compressible rlp trait
* make compressed rlp iterable
* make compressed rlp iterable
* make compressed rlp iterable
* invalid rlp slice swapper
* invalid rlp slice swapper
* invalid rlp slice swapper
* switch compress to swapper, add reverse swapper test case
* switch compress to swapper, add reverse swapper test case
* switch compress to swapper, add reverse swapper test case
* add basic account compression test
* add new rlp trait
* add account compress/ decompress test
* make compressor cleaner, use hashmaps for swapper
* improve compression tests
* add a DecompressingDecoder, change Decoder to take refernce
* separate rlp compression related stuff
* DecompressingDecoder test
* initial compressing HashDB wrapper
* remove unused test
* change CompressedDB to struct wrapper with overlay
* simplify compressor
* failed RefCell attempt
* use denote to return reference
* compiled compresseddb
* compressdb test, add overlay emplace
* fix overlay reference count handling
* add immutable compresseddb, make account use hashdb
* simplify using trait objects
* enable hashdb for account
* initial state compression attempt
* wrap state db
* add tests for analyzing db
* add account predicate
* try to compress data fields as rlp too
* remove compression for storage trie
* add a compressing migration
* more compression stats tests
* fix migration import
* nested encoding compression test
* fix decompression, move db stats tests to rlpcompression
* added malformed rlp tests, cover a few edge cases
* new CompressingEncoder struct
* extend migrations to state
* first version working on the whole db
* clean up Compressible impl
* tests cleanup
* add a testing migration
* refactor deep compression using option, add simple compression
* put tests in a module
* fix compressed overlay loading
* simple compression for snapshots
* remove unused DecompressingDecoder
* add a general compressing migration
* add more common rlps to compress
* use static slices for swapper
* add precomputed hashes and invalid rlps
* make decoder private again
* cover more cases with tests
* style
* fix weird indentation
* remove possible panic in payload_info
* make prefix checking safe
* fix db existence check
* remove db dir from test
* pass usize by value [ci skip]
* Improve comment on panic removal.
* add common blocks db rlps
* add compression to blockchain db
* add blocks db migration
* fix the migrations
* remove state compression
* add a separate snapshot swapper
* ability to use different swappers and traversal
* update tests to new interface
* clean up code ordering
* update usage
* fix compilation
* remove unnecessary changes
* move methods to functions to reduce interface
* move test to module
* update common rlps to blocks db
* move tests to tests modules
* remove redundant &
