* CHT builder and prover
* use CHT abstraction in provider
* hide CHT internals from header chain
* fix itertools conflict by updating all to 0.5
* cht proof checker, use it in on_demand
* Tests for RPC
* Extracting dapp_id from Origin and x-parity-origin
* Separate type for DappId
* Persistent tracking of recent dapps
* Fixing tests
* Exposing dapp timestamps
* Fixing import to work on stable
* Fixing test again
* flush work
* flush work
* flush work
* flush work
* generalized notifiers
* general setup with modules
* general setup with modules
* all binded
* catch up with master
* all dependencies injected
* stratum another up
* tcp update
* submitwork routine
* finalize & fix warnings
* merge bugs, review fixes
* merge bugs, review fixes
* new cli mess cleanup
* usage.txt swap
* flush work
* cli adopt
* compilation with new cli sorted
* subid space in json
* serialization issues
* grumbles addressed
* more grumbles
* remove last_work note for now
* fix compilation
* fix tests
* merge bugs
* no obliged ipc
* moving notifiers
* no optional feature now
* refactored again
* working on tests
* refactor to new tcp/ip
* stratum lib ok
* ethcore crate ok
* wip on tests
* final test working
* fix warnings, \n-terminated response
* new compatibility
* re-pushing work once anybody submitted
* various review and general fixes
* reviewe fixes
* remove redundant notifier
* one symbol -> huge bug
* ensure write lock isn't held when calling handlers
* extern declarations moved
* options to stratum mod, SocketAddr strongly-typed instantiation
* Minor style fix.
* Whitespace and phrasing
* Whitespace
* remove register_account_provider
* build rpc module
* new dummy client
* common EngineSigner struct
* from -> into
* initial report via call
* separate safe from regular contract
* transact_contract
* fix build
* return Signature, docs
* add sign method to some engines
* add safeContract spec
* update specs to new contracts
* use AuthorityRound for contract spec
* add more reporting
* add reporting test
* use gas floor
* shorter
* 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
* gas_limit for new blocks will divide evenly by 13
* increased PARITY_GAS_LIMIT_DETERMINANT to 37
* separate method for marking mined block
* debug_asserts(gas_limit within protocol range)
* round_block_gas_limit method is now static
* made round_block_gas_limit free-function
* multiplier->multiple [ci skip]
* Return 0 instead of error with out of gas on estimate_gas
* Fix stuff up.
* Another estimate gas fix.
* Alter balance to maximum possible rather than GP=0.
* Only increase to amount strictly necessary.
* Improvements and optimisations to estimate_gas.
- Introduce proper error type
- Avoid building costly traces
* Fix tests.
* Actually fix testsActually fix tests
