* separate modules for consensus snapshot chunks
* bulk of authority warp logic
* finish authority warp implementation
* squash warnings and enable authority snapshot mode
* test harness for PoA
* fiddle with harness
* epoch generation proof fixes
* update constructor code
* store epoch transition proof after block commit
* basic snap and restore test
* use keyvaluedb in state restoration
* decompress chunks
* fix encoding issues
* fixed-to-contract-to-contract test
* implement ancient block import
* restore genesis transition in PoW snapshot
* add format version method to snapshot components
* supported version numbers in snapshot_components
* allow returning of ancient epoch transitions
* genesis hash mismatch check
* remove commented code
* updated docopt, env_logger, semver and regex crates
* updated parking_lot to 0.4
* fixed compiling on linux
* updated igd to 0.6
* updated jsonrpc
* fixed regex related compiler error on linux
* return errors on database corruption
* fix tests, json tests
* fix remainder of build
* buffer flow -> request credits
* proving state backend
* generate transaction proofs from provider
* network messages for transaction proof
* transaction proof test
* test for transaction proof message
* fix call bug
* request transaction proofs from on_demand
* most of proved_execution rpc
* proved execution future
* initial request definitions
* RLP encoding and decoding for requests
* proofs of non-existance in ProvingBlockChainClient
* new requests in provider.
* encode and decode responses
* complete initial request changes
* handle request packet in LightProtocol
* handle response packets
* implement requesting from
* re-do cost table
* get tests compiling
* fix cost table RLP encoding
* roundtrip tests for request types
* request builder tests
* move request_builder -> request::builder
* get network tests working
* return only complete headers responses
* request builder improvements
* New version of jsonrpc.
* split request filling into fill,complete
* Better invalid encoding messages
* Fixing deprecated methods of tokio_core
* use PIP messages in on_demand, old API
* migrate oneshot::complete to send in on_demand
* get on_demand tests to compile
* port ethsync to PIP messages
* adjust to minor on_demand API changes in RPC
* Using dedicated branch for jsonrpc
* Bump
* fixed naming of rlp modules
* RlpStream cleanup
* appending short rlp lists (0...55 bytes) is 25% faster
* RlpStream does not use bytes module, nor trait Stream
* removed unused code from rlp module
* compiling ethcore-util with new rlp serialization
* compiling parity with new rlp serialization
* fixed compiling ethcore-light with new rlp serialization
* fixed compiling ethsync with new rlp serialization
* removed redundant comment, print
* removed redundant double-space
* replace usage of WriteBytesExt with ByteOrder
* 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
* prune states based on memory param
* pruning memory CLI and usage in sync
* return purged value from memorydb
* calculate memory used incrementally in overlayrecentdb
* refactor shared history pruning code in client
* Fixed usage alignment
* journal_size function for fast memory calculation
* remove old lint silencer
* dispatch requests only to peers with higher TD
* dynamic target for sync rounds
* use round pivots instead of frames, fix test
* fix total difficulty calculation for test client
* fix broken reorg algorithm
* fork test, fix ancestor search
