* state backend trait mirroring state_db API

* minimal state backend trait

make state module public

* fix json tests

* return errors on database corruption

* fix tests, json tests

* fix remainder of build

* add Backend bound on state

* Max gas limit and min gas price

* Tests

* Limit gas limit ceiling

* scope read

* consistent step

* Tweak some checks.

* Fixed build and added a difficulty test

make state module public

* Create new column family for local node info

* remove DBTransaction::new reliance on DB

* KeyValueDB trait

* InMemory KeyValueDB implementation

* journaldb generic over KVDB

* make most of `ethcore` generic over KVDB

* fix json tests compilation

* get all tests compiling

* implement local store (just for transactions)

* finish local store API, test

* put everything into place

* better test for skipping bad transactions

* fix warning

* update local store every 15 minutes

* remove superfluous `{}`s

* Default accounts setting - account provider

* RPC support for default accounts

* Updating JS code

* Rename whitelist to addresses

* Return condition info for pending transactions

* Fixed warnings

* initial in secret store

* generation

* test

* refactor of the derivation

* signing

* account provider

* tests for account provider

* rpc types

* rpc types converts

* rpc tests

* fix warnings

* some extra docs

* derivate -> derive

* secret() -> as_raw()

* secret() -> as_raw() in rpc

* fix merge bug

* align with new serde changes

* Signer - Tracking Request Provenance

* Basic UI

* Changing messages

* VecDeque::from

* Fix dapps tests

* Addressing UI grumbles

* Porting json

* Dapps

* Rpc & Ethstore

* New ethabi

* Last bunch of fixes

* Fixing last test

* Removing build script

* Adding ethcore-ipc-tests back

* Fixing grumbles

* Fixing blockchain tests (inference regression?)

* Ledger devices support

* structs for RPC types

asynchronous rob authored Feb 06, 2017 and Arkadiy Paronyan committed Feb 06, 2017

* 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

* vaults RPCs

* vault.password != vault_account.password

* moved vault RPCs to parityAccounts NS

* parity_listVaults + parity_listOpenedVaults

* Adding RPC informant structs

* RPC informant

* Middleware counting RPC requests

* Moving client keep_alive to middleware

* Transaction timestamp condtiion

* Updated docs

* Updated docs

* Check agains last block timestamp

* Parametrize address book

* Improving types in account_provider

* Filtering dapps_accounts

* Fixing RPC tests

* tracing, timeouts

* remove env_logger

* Infering default account when sending transactions if not provided

* Fixing test

* Fixing tests code

* Fixes.

* More fixes.

* Final fix.