* Split out Consensus
* Supply ImportQueue through network-service
  - simplify ImportQueue.import_blocks
  - remove Deadlock on import_block
  - Adding Verifier-Trait
  - Implement import_queue provisioning in service; allow cli to import
* Allow to actually customize import queue
* Consensus Gossip: Cache Message hash per Topic

* Rename `NewTxQueue` to `TaggedTransactionQueue`

* Remove `BlockBuilder` API and support adding documentation to the API functions

* Adds new `BlockBuilder` API

* Fixes compilation with new `BlockBuilder` API

* Some more cleanup

* Cargo.lock update

* Try to fix on stable

* Add missing `As` imports.

* Adds new API traits that will be used by the client and runtime

* Switch consensus to new API's

* Switches transaction-pool to new API's

* Move runtime api stuff into its own crate

* Adds `impl_apis!` macro for implementing the new API traits

* Make `metadata` return directly a blob

* Runtime replace `impl_stubs!` with `impl_apis!`

* Switches to none feature based approach for declaring the different API traits

* Fixes compilation error

* Fixes errors

* Make the `decl_apis!` trait usable from the outside

* Make the `test-client` use the new API traits

* Remove last `impl_stubs!` bits and move some of them into wasm executor for tests

* A little bit more documentation

* enhance macro decl_storage()

* update the state root hash

* fix one comment

* Started substrate tests

* Sync test

* Test updates

* Improved tests

* Use on-chain block delay

* Parallel test execution

* Otimized tests

* Logging

* Fixed racing test

* Fixed compilation

* Fixed timestamp test

* Removed rlp dependency

* Minor fixes

* Fixed tests

* Removed best_block_id and resolved fdlimit issue

* Whitespace

* Use keyring

* Style

* Added API execution setting

* Removed stale import

* Removes `rlp` dependency

* Enable warnings about unused crates in the CI

* Remove all the unused crates

* Make tests working again

* Initial stuff

* Treasury now mints based on lowest staked.

* Tests build

* Fix tests

* Fix hashes

* Fix tests & grumble

* Initial groundwork

* A mess.

* Integrate

* Fix tests

* Unit tests

* Tests for unchecked_extrisnic

* fix tab

* Improve binary format.

* fix tests

* Rename extrinsic-pool -> transaction-pool

Closes #770

* Implement unimplemented.

* typo

* Move module metadata from json string to custom metadata

* Revisit the metadata structures

1. Move the structures into the metadata crate.
2. Switch to using Cow/MaybeOwnedArray to support Encode/Decode

* Adapt to new metadata structures

* Convert event json metadata to new metadata structures

* Convert storage json metadata to new metadata structures

* Convert runtime metadata from json to new metadata structs

* Implements new metadata structures in client and runtime

* Fixes errors on `no_std`

* Fixes errors after rebasing master

* Do not use `Cow` anymore in metadata

Also replace `String` with our own type definition `StringBuf`.
This fixes compilation on `no_std`.

* Wrap `RuntimeMetadata` in `RuntimeMetadataVersioned` to support versioning

* Move metadata into `srml` and make core unaware of the implementation

* Fixes compilation of sandbox tests

* Make `impl_outer_log!` scope independent

* changes_trie

* changs_trie: continue

* changes_trie: adding tests

* fixed TODO

* removed obsolete ExtrinsicChanges

* encodable ChangesTrieConfiguration

* removed polkadot fle

* fixed grumbles

* ext_storage_changes_root returns u32

* moved changes trie root to digest

* removed commented code

* read storage values from native code

* fixed grumbles

* fixed grumbles

* missing comma

* First effort

* API versioning

* Introduce validate_transaction

* Introduce the API plus fixes.

* Docs

* Typo

* Add longevity parameter to transaction validity info.

* Make `system` module renamable in `impl_outer_event!`

* Implement `construct_runtime!` macro

This macro generates code for calling all the common `impl_outer_*` macros.

* Add documentation

* Fixes wrong declaration of `contract`

* Update dependencies to work on `no_std`

* One more `Cargo.lock` update

* Address comments

Gav Wood authored Sep 12, 2018 and Arkadiy Paronyan committed Sep 12, 2018

* Remove unneeded script

* Rename Substrate Demo -> Substrate

* Rename demo -> node

* Build wasm from last rename.

* Merge ed25519 into substrate-primitives

* Minor tweak

* Rename substrate -> core

* Move substrate-runtime-support to core/runtime/support

* Rename/move substrate-runtime-version

* Move codec up a level

* Rename substrate-codec -> parity-codec

* Move environmental up a level

* Move pwasm-* up to top, ready for removal

* Remove requirement of s-r-support from s-r-primitives

* Move core/runtime/primitives into core/runtime-primitives

* Remove s-r-support dep from s-r-version

* Remove dep of s-r-support from bft

* Remove dep of s-r-support from node/consensus

* Sever all other core deps from s-r-support

* Forgot the no_std directive

* Rename non-SRML modules to sr-* to avoid match clashes

* Move runtime/* to srml/*

* Rename substrate-runtime-* -> srml-*

* Move srml to top-level

* Add contracts to GenesisConfig in demo-runtime

* Update roots.

* Initial bits

* More stuff

* Cleave voting from council

* More events

* Rearrange council a little

* Fix demo

* More info in events

* Introduce data and salt into ContractAddressFor

* Accept salt arg in ext_create.

* Integrate contracts into the demo runtime

* Make libcontract compile to wasm

* Remove salt parameter.

This now is concern of userspace.

* Rebuild binaries.

* DigestItem v4

* tests

* wording

* Adds `impl_json_metadata!` for generating all metadata of a runtime

* Adds `json_metadata` RPC call

* Adds simple test for the `json_metadata` RPC call

* Implements json metadata in the demo runtime

* Fix indent

* Adds missing copyright headers

* Dispatch json metadata renamings and improvements

* Replaces `format!` & `String` with `Vec<JSONMetadata`

* Implements `Encode` and `Decode` for JSONMetadata

* Make `impl_json_metadata!` compileable on `no_std`

* Adapt the client to decode the correct type for `json_metadata`

* Fixes compile error and warning

* Whitespace

* Updating substrate-demo

* Consenus fixes

* Reverted toolchain change

* Adjusted timeout formula

* Simplfied proposal creation

* Fixed tests

* Fixed a few small issues

* 2017->2018

* Style

* More style

* Renamed demo executable to substrate

* Style

* Fixed compilation after merge

* Style

* Treasury in runtime, generic approve/reject

* Add logic for council origin

* Add tests.

* Configurable number of members in EnsureMembers

* Fix grumbles

* Fix spelling

* Comment

* Democracy module events

* Fix demo runtime

* Fix

* Extra event in balances

* Missing event

* Fix test

* Fix council

* Fix test

* System and Balances switched to new call model

* Fixed up executive for new pardigm

* Consensus works with Origin

* Timestamp ported over

* Session now compatible

* Ported staking

* Treasury compatible

* Expunge MaybeEmpty

* Make democracy work

* Council compatible

* Remove some aux-dispatch stuff and fix balances

* Rename aux -> origin, fix contracts

* Fix test

* Fix example

* Update macro to remove superfluous cruft

* Make work with new macro

* Tests

* Fix some tests

* Tests

* Fix grumbles

* Final grumble

* DigestItem trait

* removed autoimpl in impl_outer_log

* StubDigestItem -> ()

* Introduce treasury and document

* Revert bad changes

* More reversions

* Add example crate

- Remove HasPublicAux
- Rename Concrete -> Runtime

* Actually commit stuff

* Changes

* Propagate block number in finalise.

* Fix and build example

* Fixes.

* Fix compilation for treasury.

* Fix the treasury test

* Tests

* Fix.

* Fix tests

* Fix a few grumbles

* Fixes

* Fix grumbles

* Initial commit.

* Split out balances module

* Minimise Balances trait requirements

* Fix up balances, remove balances stuff from staking

* Split off and fix up staking module

* Fix executive tests

* Fix up democracy module

* make council work again

* Remove unneeded cruft from democracy

* Fix up contract module

* Fix up rest of tests

* Fix minor TODOs

* Fix tests

* Remove superfluous code

* Move offline inherents to consensus module.

Fixes #630

* Version needs Decode.

* Move Decode back

* Fix nits

* Refactor to allow custom message

* Squashed commit.

New slashing mechanism (#554)  …
* Slashing improvements

- unstake when balance too low
- unstake after N slashes according to val prefs
- don't early-terminate session/era unless unstaked
- offline grace period before punishment
* Fix warning
* Cleanups and ensure slash_count decays
* Bump authoring version and introduce needed authoring stub
* Rename
* Fix offline tracker
* Fix offline tracker
* Renames
* Add test
* Tests
* Tests.
Remove accidental merge files.
Merge remote-tracking branch 'origin/master' into gav-new-pos
Version bump, fixes (#572)  …
* Bump version, don't propose invalid blocks
* Fix build.
* Fixes.
* More fixes.
* Fix tests.
* Fix more tests
* More tests fixed
Fix merge
Fix accidental merge bug
Fixes.
Staking failsafes  …
- Don't slash/unstake/change session when too few staking participants
- Introduce set_balance PrivCall
Make minimum validator count dynamic.
test fixes
Fix tests.
Fix tests
Fix tests, update readme.
Merge remote-tracking branch 'origin/master' into gav-new-pos
Test with release.
Use safe math when dealing with total stake
Fix test again.
Introduce events into runtime.
Fix tests
Add events for account new/reap
Integration-style tests for events.

* Remove old code

* New slashing mechanism (#554)

* Slashing improvements

- unstake when balance too low
- unstake after N slashes according to val prefs
- don't early-terminate session/era unless unstaked
- offline grace period before punishment

* Fix warning

* Cleanups and ensure slash_count decays

* Bump authoring version and introduce needed authoring stub

* Rename

* Fix offline tracker

* Fix offline tracker

* Renames

* Add test

* Tests

* Tests.

* Remove accidental merge files.

* Version bump, fixes (#572)

* Bump version, don't propose invalid blocks

* Fix build.

* Fixes.

* More fixes.

* Fix tests.

* Fix more tests

* More tests fixed

* Fix merge

* Fix accidental merge bug

* Fixes.

* Staking failsafes

- Don't slash/unstake/change session when too few staking participants
- Introduce set_balance PrivCall

* Make minimum validator count dynamic.

* test fixes

* Fix tests.

* Fix tests

* Fix tests, update readme.

* Test with release.

* Use safe math when dealing with total stake

* Fix test again.

* Fix grumbles.

* notify when an authority appears to have missed their block

* Runtime API

* offline tracker

* Move to consensus

* generating reports of offline indices

* stubbed-out evaluation logic

* Slashing data pathwat

* usize -> u32

* Slash bad validators.

* update to rhododendron 0.3

* fix compilation of polkadot-consensus

* Support offline noting in checked_block

* include offline reports in block authorship voting

* do not vote validators offline after some time

* add test for offline-tracker

* fix test build

* bump spec version

* update wasm

* Only allow validators that are possible to slash

* Fix grumble

* More idiomatic

* New Wasm.

* update rhododendron

* improve logging and reduce round time exponent

* format offline validators in ss58

* decl_module and extract runtime mod

* Invert dependency staking←→contract

* Remove CodeOf

* Remove StorageOf and move double_map

* Comment staking test

* Clean

* Add gas_price and gas_limit

* Commit.

* Renames

* Params

* WIP

* Rename transfer to call

* WIP

* Rebuild binaries.

* WIP

* Backport ctro changes

* Call wiring

* Commit overlay.

* Rename merge → commit, into_state → ..._change_set

* WIP

* Contract creation routines

* Set code of the created account.

* Fix the ID of `create` Call

* Fix most of the warning.

* Add the simplest test in the contract crate

* Transfers work!

* Add contract_create test.

* Clean

* Add top-level create test

* Clean a bit.

* Pass gas_limit and data via create.

* Introduce OnAccountKill callback in staking

* Hook up OnAccountKill

* Comments

* Pay for gas.

* Refund unused gas in call

* Tests for zero call and zero endownment.

* Add todo about rewriting docs

* Pay for gas in create transactions

* Fix refunds

* Clean unrelevant comments

* fixup! Fix refunds

* fixup! Clean unrelevant comments

* Move DetermineContractAddress to contract

Also restore account removal test

* fixup! Clean unrelevant comments

* Inline effect_transfer, remove effect_create

Remove account_db!

* Use own new_test_ext.

* Don't account for liability

* Add some docs

* Move contract_fee into contract module

* Take GasMeter in vm::execute

* Use GasMeter throughout contract module for meter

* gas module refactoring

* Clean

* Add base call fee

* note about gas price should be taken from storage

* Add base fee for create

* Rename send → call

* Clean

* Take fee expressed in dots in gas

* Add Checked{Add,Sub,Mul,Div} to SimpleArithmetic

* Make Gas generic

* Store {call,create}_base_fee in storage

* Clean

* Rename buy_gas

* Store gas_price in the storage

* Remove unneeded comment.

* Bail out if contract already has code.

* Todos

* Refund even if top-level contract fails.

* Fix error msg

* Fix caller issue

* Extract tests module

* Add max_depth var in storage

* Remove left over gas_left

* Refactor exec

* Add test oog test.

* set_free_balance_creating

* Docs and comments.

* Update storage roots because of ContractFee move

* Rebuild binaries.

* Simplify vm code.

* Wrapping.

* Refactor a bit.

* Typo

* UpdateBalanceOutcome enum

* Style grumbles.

* Rebuild binaries.

* Always consume the given amount of gas.

* [skip ci] endownment → endowment

* Rename `AccountId` generic in on_account_kill

* Fix Cargo.lock

* Refine docs for gas meter.

* [skip ci] Add comments for gas module

* Directly assign to `return_data` at declaration

* Use slices instead of vecs to pass the input data

* Add todo about passing return data without copy

* Use checked_add instead of add with overflow

* Use return_data directly.

* Rebuild binaries.

* Rebuild binaries.

* Runtime version

* Updated genesis.wasm

* Minor fixes

* Fresh runtime

* Default version for pre Poc-2; Fixed authorship interface check

* Fixed authoring check

* Genesis serialization

* Custom type for AuthorityId

* Merge w master

* Fixed a few minor issues

* Fixed unmerged file

* Renamed tag

* Deferred genesis loading

* Upated wasm runtime

* Minor issues

* Recompile runtime.

* Introduce and enforce block time

* Introduce early session ending.

* Report most of staking module

* rewards, proper early exit and slashing

* Fix build & session logic, introduce tests

* Fixed staking tests.

* Initial test for reward

* Fix test

* Tests for slashing

* Update/fix preset configs

* Fix some tests.

* Fix some staking tests

* Minor fix

* minor cleanups

* Fix build

* Rename timestamp::Value -> Moment

* Require final block of session to be timely