* 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 &

* Fixing warnings

* Fixing unnecessary ref

* Removing unnecessary operation

* Log a chain-reorg.

* Nicer output

* Use imported rather than enacted.

Enacted can include previously imported blocks which makes the
info incorrect.

* Enable WAL

* Disable rewind

* Use tree index for DB

* Set uncles_hash, tx_root, receipts_root from verified block

* Use Filth instead of a bool

* Fix empty root check

* Flush block queue properly

* Expunge deref

* BC locking; Recovery batch

* Missing state root recovery

* Test

* Optimize ethash verification

* disable WAL for puts

* Clear account cache after commit

* Commit only modified accounts

* Optimize existing block check

* Cache last hashes

* parking_lot in cargo.toml

* replace all lock invocations with parking_lot ones

* use parking_lot synchronization primitives

* 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

Moving all Client public API types to separate mod & binary serialization codegen for that mod (#1051)

* transaction moved

* trash remove

* ids move

* receipt

* tree-route

* blockchain info

* log_entry move

* trace filter moved

* executed & trace moved

* localized trace moved

* block status moved

* build scripts and codegen refs

* Cargo.lock update

* binary for blockstatus, blockchaininfo

* binary for trace

* trace filters binary ser

* binary for log entries & executed

* binary for receipt

* special case for u8 & transaction binary attribute

* resolved remaining issues & error binary serialization

* json-tests util import

* fix warnings

* ids attr

* add missing attributes

* Update build.rs

* fixed encoding 0u8

* simplified if else stmt

* tracedb core

* more comprehensive tracedb tests

* fixed minor review issues

* addresses filter

* fixed typos

* replace malformed with corrupted

* trace switch

* db key is generic and can be made smaller

* smaller tracedb keys

* tracedb version

* fixed ignored tests

* rename Tracedb -> TraceDB

* fixed typos

* proves

* trace only top level calls to builtins to avoid DDoS attacks

* fixed tracedb config switches

* fix comments fat replaced with trace

* vector-addressing scheme for localized traces

* removed comments

* removed first, redundant 0 from trace address

* updated db.trace method

* additional tests for tracedb.trace()