* Improves `BestBlock` comment
* Improves `TraceDB` comment
* Improves `journaldb::Algorithm` comment.
Probably the whole enum should be renamed to `Strategy` or something alike.
* Comments some of the `Client`'s fields
* Deglobs client imports
* Fixes comments
* Extracts `import_lock` to `Importer` struct
* Extracts `verifier` to `Importer` struct
* Extracts `block_queue` to `Importer` struct
* Extracts `miner` to `Importer` struct
* Extracts `ancient_verifier` to `Importer` struct
* Extracts `rng` to `Importer` struct
* Extracts `import_old_block` to `Importer` struct
* Adds `Nonce` trait
* Adds `Balance` trait
* Adds `ChainInfo` trait
* Fixes imports for tests using `chain_info` method
* Adds `BlockInfo` trait
* Adds more `ChainInfo` imports
* Adds `BlockInfo` imports
* Adds `ReopenBlock` trait
* Adds `PrepareOpenBlock` trait
* Fixes import in tests
* Adds `CallContract` trait
* Fixes imports in tests using `call_contract` method
* Adds `TransactionInfo` trait
* Adds `RegistryInfo` trait
* Fixes imports in tests using `registry_address` method
* Adds `ScheduleInfo` trait
* Adds `ImportSealedBlock` trait
* Fixes imports in test using `import_sealed_block` method
* Adds `BroadcastProposalBlock` trait
* Migrates `Miner` to static dispatch
* Fixes tests
* Moves `calculate_enacted_retracted` to `Importer`
* Moves import-related methods to `Importer`
* Removes redundant `import_old_block` wrapper
* Extracts `import_block*` into separate trait
* Fixes tests
* Handles `Pending` in `LightFetch`
* Handles `Pending` in filters
* Handles `Pending` in `ParityClient`
* Handles `Pending` in `EthClient`
* Removes `BlockId::Pending`, partly refactors dependent code
* Adds `StateInfo` trait
* Exports `StateOrBlock` and `BlockChain` types from `client` module
* Refactors `balance` RPC using generic API
* Refactors `storage_at` RPC using generic API
* Makes `MinerService::pending_state`'s return type dynamic
* Adds `StateOrBlock` and `BlockChain` types
* Adds impl of `client::BlockChain` for `Client`
* Exports `StateInfo` trait from `client` module
* Missing `self` use
To be fixed up to "Adds impl of `client::BlockChain` for `Client`"
* Adds `number_to_id` and refactors dependent RPC methods
* Refactors `code_at` using generic API
* Adds `StateClient` trait
* Refactors RPC to use `StateClient` trait
* Reverts `client::BlockChain` trait stuff, refactors methods to accept `StateOrBlock`
* Refactors TestClient
* Adds helper function `block_number_to_id`
* Uses `block_number_to_id` instead of local function
* Handles `Pending` in `list_accounts` and `list_storage_keys`
* Attempt to use associated types for state instead of trait objects
* Simplifies `state_at_beginning`
* Extracts `call` and `call_many` into separate trait
* Refactors `build_last_hashes` to accept reference
* Exports `Call` type from the module
* Refactors `call` and `call_many` to accept state and header
* Exports `state_at` in `StateClient`
* Exports `pending_block_header` from `MinerService`
* Refactors RPC `call` method using new API
* Adds missing parentheses
* Refactors `parity::call` to use new call API
* Update .gitlab-ci.yml
fix gitlab lint
* Fixes error handling
* Refactors `traces::call` and `call_many` to use new call API
* Refactors `call_contract`
* Refactors `block_header`
* Refactors internal RPC method `block`
* Moves `estimate_gas` to `Call` trait, refactors parameters
* Refactors `estimate_gas` in RPC
* Refactors `uncle`
* Refactors RPC `transaction`
* Covers missing branches
* Makes it all compile, fixes compiler grumbles
* Adds casts in `blockchain` module
* Fixes `PendingBlock` tests, work on `MinerService`
* Adds test stubs for StateClient and EngineInfo
* Makes `state_db` public
* Adds missing impls for `TestBlockChainClient`
* Adds trait documentation
* Adds missing docs to the `state_db` module
* Fixes trivial compilation errors
* Moves `code_hash` method to a `BlockInfo` trait
* Refactors `Verifier` to be generic over client
* Refactors `TransactionFilter` to be generic over client
* Refactors `Miner` and `Client` to reflect changes in verifier and txfilter API
* Moves `ServiceTransactionChecker` back to `ethcore`
* Fixes trait bounds in `Miner` API
* Fixes `Client`
* Fixes lifetime bound in `FullFamilyParams`
* Adds comments to `FullFamilyParams`
* Fixes imports in `ethcore`
* Fixes BlockNumber handling in `code_at` and `replay_block_transactions`
* fix compile issues
* First step to redundant trait merge
* Fixes compilation error in RPC tests
* Adds mock `State` as a stub for `TestClient`
* Handles `StateOrBlock::State` in `TestBlockChainClient::balance`
* Fixes `transaction_count` RPC
* Fixes `transaction_count`
* Moves `service_transaction.json` to the `contracts` subfolder
* Fixes compilation errors in tests
* Refactors client to use `AccountData`
* Refactors client to use `BlockChain`
* Refactors miner to use aggregate traits
* Adds `SealedBlockImporter` trait
* Refactors miner to use `SealedBlockImporter` trait
* Removes unused imports
* Simplifies `RegistryInfo::registry_address`
* Fixes indentation
* Removes commented out trait bound
* Move miner away from ethcore.
* Fix ethcore to use miner/transaction.
* Fix tests and warnings.
* fixed incorrect merge of the test in the documentation
* 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
* move block queue to own module, a couple readability changes
* make block queue generic over verifiable data
also fixes heap size calculation
* make block queue into a more generic verification queue
* some module reoganization
* implement header queue
* clean up verification error messages
* user defaults
* finished user defaults
* user defaults are network-dependent
* added tests for newly added functions, logger is initialized first
* dir cleanup in progress
* user_file is placed next to snapshots
* 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]
* moving ipc deriving to trait
* refactoring of the client
* all compiled
* proved all working
* warnings purged
* allow hypervisor to specify initialization payload in two ways
* using binary initialisation payload for sync
* some docs
* logger to separate crate
* log settings for sync bin
* forwarding logging arguments to the sync
* Command=line options.
* Keep alive for the eth protocol.
* Wire up final pieces.
* No network when dark.
* Passive and dark mode work.
* Ensure all RPCs keep alive.
* Fix tests.
* Fix minor bug.
* Minor whitespace.
* Split out some of the sleep-state.
* Fix help text.