* Add client-traits crate
Move the BlockInfo trait to new crate
* New crate `machine`
Contains code extracted from ethcore that defines `Machine`, `Externalities` and other execution related code.
* Use new machine and client-traits crates in ethcore
* Use new crates machine and client-traits instead of ethcore where appropriate
* Fix tests
* Don't re-export so many types from ethcore::client
* Fixing more fallout from removing re-export
* fix test
* More fallout from not re-exporting types
* Add some docs
* cleanup
* import the macro edition style
* Tweak docs
* Add missing import
* remove unused ethabi_derive imports
* Use latest ethabi-contract
* Move many traits from ethcore/client/traits to client-traits crate
Initial version of extracted Engine trait
* Move snapshot related traits to the engine crate (eew)
* Move a few snapshot related types to common_types
Cleanup Executed as exported from machine crate
* fix warning
* Gradually introduce new engine crate: snapshot
* ethcore typechecks with new engine crate
* Sort out types outside ethcore
* Add an EpochVerifier to ethash and use that in Engine.epoch_verifier()
Cleanup
* Document pub members
* Sort out tests
Sort out default impls for EpochVerifier
* Add test-helpers feature and move EngineSigner impl to the right place
* Sort out tests
* Sort out tests and refactor verification types
* Fix missing traits
* More missing traits
Fix Histogram
* Fix tests and cleanup
* cleanup
* Put back needed logger import
* Don't rexport common_types from ethcore/src/client
Don't export ethcore::client::*
* Remove files no longer used
Use types from the engine crate
Explicit exports from engine::engine
* Get rid of itertools
* Move a few more traits from ethcore to client-traits: BlockChainReset, ScheduleInfo, StateClient
* Move ProvingBlockChainClient to client-traits
* Don't re-export ForkChoice and Transition from ethcore
* Address grumbles: sort imports, remove commented out code
* Fix merge resolution error
* merge failure
* WIP move errors, pod_account and state account to own crates
* Sort out dependencies, fix broken code and tests
Remove botched ethcore-error crate
* remove template line
* fix review feedback
* Remove test-only AccountDBMut::new
* Extract AccountDB to account-db
* Move Substate to state-account – wip
* Add lib.rs
* cleanup
* test failure
* test failure 2
* third time's the charm
* Add factories crate
* Use new factories crate
* Use factories crate
* Extract trace
* Fix tests
* Sort out parity-util-mem and parking_lot
* cleanup
* WIP port over the rest of state from ethcore
* Collect all impls for Machine
* some notes
* Rename pod-account to pod
* Move PodState to pod crate
* Use PodState from pod crate
* Fix use clause for json tests
* Sort out evmbin
* Add missing code and use PodState
* Move code that depends on Machine and Executive to own module
* Sort out cloning errors, fix ethcore to use new state crate
* Do without funky From impls
* Fix ethcore tests
* Fixes around the project to use new state crate
* Add back the more specific impls of StateOrBlock From conversions
* Move execute to freestanding function and remove it from trait
Sort out the error handling in executive_state by moving the result types from state to ethcore
Undo the verbose code added to work around the StateOrBlock From conversions
* cleanup
* Fix "error: enum variants on type aliases are experimental"
* Bring back the state tests
Fix whitespace
* remove ethcore/state/mod.rs
* cleanup
* cleanup
* Cleanup state-account errors
* Fix more todos
Add module docs
* Add error.rs
* Fixup Cargo.lock
* Smaller ethcore API is fine
* Add `to-pod-full` feature to state-account
Fix evmbin
* Fix a few more test failures
* Fix RPC test build
* Baptize the new trait
* Remove resolved TODOs
* Rename state-account to account-state
* Do not re-export the trace crate
* Don't export state_db from ethcore
* Let private-tx use StateDB. :(
* Remove ethcore/src/pod_state.rs
* Inner type does not need to be pub/pub(crate)
* optimise imports
* Revert "Inner type does not need to be pub/pub(crate)"
This reverts commit 2f839f8a0f72f71334da64620f57e6dd6039f06b.
* Move DatabaseExtras to ethcore-blockchain
* Add database_extra module to ethcore-blockchain
* Remove to-pod-full feature
* cosmetics
* New crate: state-db
* Add new crate
* Move PreverifiedBlock and BlockError to types
* Sort out the merge
* Add missing `license` meta data keys
* wip
* wip client-traits
* merge conflict
* verification crate type checks
* Move impls for CommonParams to common_types
Fix misc stuff in ethcore
* Fix tests
* Implement VerifyingEngine for all engines except Ethash
Temporarily sort out error handling
Move more types to common_types
* Split Engine in two and move code around
* cleanup
* verification: don't rexport common_types
* Use error from common_types
* Consolidate error types
* VerifyingEngine use Errors from common_types
* verification: Use error type from common_types
* SnapshotError moved to common_types
* Move more code from Engne to VerifyingEngine
Add a VerifyingClient trait: BlockInfo + CallContract
Whitespace
* Add MAX_UNCLE_AGE const
* Port over remaining code from ethcore/verification
* Use errors from common_types
* Fix the confusing "io" naming
* Move more types into common_types
* Add todos
* Experiment with Engine trait outside ethcore
* Hook up types from common_types in ethcore
Don't use verification crate
Don't use client-traits crate
* Revert to impl Engine for Arc<Ethash> and add note to explain why
Revert moving ClientIoMessage to common_types
Fix build
* Remove ClientIoMessage from common_types
* Cleanup
* More cleanup
* Sort error handling changes in the rest of parity
* Remove unused code
* Remove WIP types
* Cleanup todos not tackled here
* remove cruft
* Fix some whitespace and a merge error
* ethcore tests
* test failures
* Restore Engine impls to master to make review a bit easier
* cleanup
* whitespace
* applied review suggestions
* types does not depend on rustc-hex
* ethash engine moved to engine module
* applied review suggestion
* Better logging when backfilling ancient blocks fail
Print total blocks imported, closes#10792
* `finalize()` doesn't need Engine
Pull out call to migrated_blocks() from replace_client_db()
* More logs
* Clarify that the percentage may be misleading
* Remove replace_client_db() and replace with a straight call to restore_db()
* Include the parent_hash in UnlinkedAncientBlockChain errors
* Add a new RestorationStatus varian: Finalizing (as it can take a loooong while)
Call abort_restore() when restoration fails
* Add missing cases for new variant
* typos
* Typo and derive Debug
* Do not attempt to salvage existing blocks unless they form a complete chain back to genesis
* Fix test
* Revert "Fix test"
This reverts commit f027d4b4cb7b6c23fceec528c1711886ba9cfe4e.
* Fix test again
* Update comment
* Be careful about locks
* fix test failure
* Do not defer returning an error when the chain is broken
* Review feedback
* no hex formatting for Option
* new blooms database
* fixed conflict in Cargo.lock
* removed bloomchain
* cleanup in progress
* all tests passing in trace db with new blooms-db
* added trace_blooms to BlockChainDB interface, fixed db flushing
* BlockChainDB no longer exposes RwLock in the interface
* automatically flush blooms-db after every insert
* blooms-db uses io::BufReader to read files, wrap blooms-db into Mutex, cause fs::File is just a shared file handle
* fix json_tests
* blooms-db can filter multiple possibilities at the same time
* removed enum trace/db.rs CacheId
* lint fixes
* fixed tests
* kvdb-rocksdb uses fs-swap crate
* update Cargo.lock
* use fs::rename
* fixed failing test on linux
* fix tests
* use fs_swap
* fixed failing test on linux
* cleanup after swap
* fix tests
* fixed osx permissions
* simplify parity database opening functions
* added migration to blooms-db
* address @niklasad1 grumbles
* fix license and authors field of blooms-db Cargo.toml
* restore blooms-db after snapshot
* Update `add_license` script
* run script
* add `remove duplicate lines script` and run it
* Revert changes `English spaces`
* strip whitespaces
* Revert `GPL` in files with `apache/mit license`
* don't append `gpl license` in files with other lic
* Don't append `gpl header` in files with other lic.
* re-ran script
* include c and cpp files too
* remove duplicate header
* rebase nit
* separate migration from util and make its dependencies into libs:
* snappy
* kvdb
* error
* common
* renamed common -> macros
* util error does not depend on snappy module
* ethsync does not depend on util nor ethcore_error
* nibbleslice and nibblevec merged with patricia_trie crate
* removed unused dependencies from util
* util journaldb traits does not need to be public
* util_error
* fixed ethcore compile error
* ignore .swo files
* Update chain.rs
* move common forks and parameters to common params
* port specs over to new format
* fix RPC tests
* parity-machine skeleton
* remove block type
* extract out ethereum-specific methods into EthereumMachine
* beginning to integrate Machine into engines. dealing with stale transitions in Ethash
* initial porting to machine
* move block reward back into engine
* abstract block reward logic
* move last hash and DAO HF logic into machine
* begin making engine function parameters generic
* abstract epoch verifier and ethash block reward logic
* instantiate special ethereummachine for ethash in spec
* optional full verification in verify_block_family
* re-instate tx_filter in a way that works for all engines
* fix warnings
* fix most tests, further generalize engine trait
* uncomment nullengine, get ethcore tests compiling
* fix warnings
* update a bunch of specs
* re-enable engine signer, validator set, and transition handler
* migrate basic_authority engine
* move last hashes into executedblock
* port tendermint
* make all ethcore tests pass
* json-tests compilation
* fix RPC tests: change in gas limit for new block changed PoW hash
* fix minor grumbles
* validate chainspecs
* fix broken import
* fix transaction verification for pre-homestead
* final engine changes
* migration to v13
* adding and removing pending transitions
* epoch_transition_for
* port snapshot to new engine methods
* final validator set interface
* fix compiler errors
* revert v13/epoch_depth transition
* make call on new epoch
* rolling finality checker
* tests for finality checker
* constructing finality proof upon pending transition
* fix warnings and finality proof checking
* fix compiler warnings in tests
* test fixes
* don't include genesis in finality checking
* change snapshot test chain building logic
* minor refactorings
* fetch epoch transition based on parent, fix divide-by-zero in SimpleList
* fix formatting
* fix ABIs and finality checking in snapshot restoration
* encode signal number in proof
* create more blocks at the end of tests
* update gist to accurate contract code
* test for epoch_transition_for
* fix tests with immediateTransitions parameter
* disable force flag after forcing
* rename ValidatorsChanged to InitiateChange and finalizeSignal to finalizeChange
* a few more validator set tests
* 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
