* fix modexp bug: return 0 if base=0 (#6424)
* Running state test using parity-evm (#6355)
* Initial version of state tests.
* Refactor state to support tracing.
* Unify TransactResult.
* Add test.
* Byzantium updates
* no longer export action_params
* remove transaction, header, receipt re-rexports from common
* remove env_info and builtins re-exports from common
* remove everything but util export from common
* replace common usages with util, remove module
* add a prelude module for ethcore-bigint
* Address renamed to H160 at bigint library level
* moved uint specific test from util to bigint library
* naming
* unifing hashes in progress
* unifing hashes
* cleanup redundant unwraps in tests
* fixed compiling
* cli commands
* cleanup parity/signer
* cleanup parity/signer
* remove redundant import of signer crate from main.rs
* cli cleanup in progress
* cli cleanup in progress
* moved few commonly used functions to separate methods with tests
* cleaning up blockchain import in progress
* cleaning up blockchain import in progress2
* cleaning up blockchain import in progress3
* tests for database compaction profile parsing
* cleaning up blockchain import in progress4
* cleaning up blockchain import in progress5
* blockchain import
* export blockchain in progress
* cleanup execute_export
* Configuration::to_duration cleaned up
* removed unused code, tests for to_duration
* cleanup Configuration::mode function
* parsing some of the cli params in params.rs
* rpc and signer are no longer optional
* move importing extern crates to main.rs file
* swipe dies from rpc module
* swipe dies from dapps
* finding deprecated
* several tests and fixes for parity
* parity cleanup in progress
* cleanup price parsing
* parity cleanup in progress
* swiped all dies
* parity cleanup in progress
* replace usages of from_str with parse() in parity/params.rs
* removed few more from_str
* split parity/params.rs into params and helpers
* removed wildcard import from configuration.rs
* cleanup directories/path creation
* cleaning up run cmd
* moved LoggerConfig
* defaults for cli params
* fixed indention in raise_fd_limit
* tests for rpc_apis
* tests for default ipc and rpc settings
* ipc socket
* cleanup in progress
* account service
* cleanup miner config
* BlockChain commands use Directiores structure now
* client_config
* network settings and dapps configuration
* removing warnings
* default logger config
* fixed client_path
* overhaul
* fixing export && import
* default export DataFormat
* import and export also upgrade db
* fixed export && import
* polishing pr
* polishing pr
* fixed custom bootnodes
* fixed daemonize on windows
* fixed setting up enable network
* finished pr
* fixed compiling on windows
* Fixed warning; windows build
* Better cache management
* Fixed tests on windows
* Fixed test
* Restored pruning method names
* --cache alias
* Fixed more tests
* Ensure default options actually listed as valid
[ci:skip]
* removed old json-tests
* simplify folds in triehash.rs
* removed unused json_aid
* removed unused squeeze.rs
* json branching tests for trie
* removing todos from util
* separated UsingQueue and Table
* further cleanup, removing unused code
* serde serialization of hash moved to rpc module
* uint wrapper for rpc in progress
* serialization of uint moved to rpc module
* updated eth-secp256k1
* updated igd, serde is no longer dependency of util
* loading trie consensus tests
* renamed aliases in rpc imports
