* Parachains double vote handler initial implementation.

* Make tests test the actual slashing.

* Implement SignedExtension validation of double vote reports.

* Fixes build after merge

* Review fixes

* Adds historical session proofs

* Review fixes.

* Bump runtime spec_version

* Get the session number from the proof

* Check that proof matches session

* Change signature type on DoubleVoteReport

* Adds docs and removes blank lines

* Removes leftover code

* Fix build

* Fix build after a merge

* Apply suggestions from code review

Co-Authored-By: Robert Habermeier <rphmeier@gmail.com>

* Prune ParentToSessionIndex

* Remove a clone and a warning

Co-authored-by: Robert Habermeier <rphmeier@gmail.com>
Co-authored-by: Gavin Wood <gavin@parity.io>

* Updates for the new democracy

* Introduce progressive democracy

Also move to "master" branch of Substrate ready for continuous
sync with Substrate master.

* bump version to v0.7.27

* update to latest substrate polkadot-master

* bump runtime impl_version

* Bump version and Substrate

* Version

* Lock

* Insert storage for finality tracker

* Bump lock

* Bump version

* Bump version

* Cargo lock

* Bump runtime version

* Bump Substrate again to include recent fix

* fix

* Starting to add benchmarks

* make compile

* add benchmarks

* Make work with Substrate master

* Bench validate unsigned

* back to polkadot master

* starting to add cli with feature flag

* more stuff

* Add to kusama

* Update Cargo.lock

* fix dev dep

* bump wasm builder

* Remove encode from keccak benchmark

* bump spec

* Add weight documentation

* Update Cargo.lock

* Update check_runtime.sh

* Update publish_draft_release.sh

* Update Cargo.lock

Co-authored-by: thiolliere <gui.thiolliere@gmail.com>

* Bump version to knock the -dev

* Update lock

* Bump Substrate and some fixes

* Bump runtime

* version bump

* try to update

* latest updates

* final fixes

* Fix claim w/ vesting logic

* Make claim tests a bit better

Co-authored-by: Shawn Tabrizi <shawntabrizi@gmail.com>

* Amalgamate pieces of balance module

* Fixes for vesting split

* Refactoring for vesting/balances split

* Build fixes

* Remove on_free_balance_zero and some docs.

* Indentation.

* Revert branch

* Fix.

* Update substrate: fixes after CLI refactoring

* Reverting removal of exit

* Removed too much again

* Update Cargo.lock

* Cargo.lock

* Update Substrate, ready for #4820

* Fixes

* Update to latest substrate master

* Fix network tests

* Update lock

* Fix tests

* Update futures to get bug fixes

* Fix tests for new balances/vesting logic

* Cargo fix

* Another fix

Co-authored-by: Cecile Tonglet <cecile.tonglet@cecton.com>
Co-authored-by: Robert Habermeier <rphmeier@gmail.com>
Co-authored-by: Bastian Köcher <bkchr@users.noreply.github.com>

* Update to latest Substrate master

* upgrade decl_storage declaration

* Companion PR to Substrate#4752

* Substrate update: Identity should bound additional fields (#4770)

Substrate commit: 2c9ce7296b19934b1ffd50150be2fdb2ddf81a4e

* WIP

* WIP

* Updated substrate and fixes

* Fix compilation and switch to latest wasm-builder-runner

* Fixed missing doc

* Update collator/src/lib.rs

Co-authored-by: Bastian Köcher <bkchr@users.noreply.github.com>
Co-authored-by: thiolliere <gui.thiolliere@gmail.com>
Co-authored-by: Pierre Krieger <pierre.krieger1708@gmail.com>
Co-authored-by: Cecile Tonglet <cecile.tonglet@cecton.com>

* update latest substrate polkadot-master

* fix test compilation

* bump version to 0.7.18

* bump impl_version

* update substrate

* Revert "Instantiate environment with asynchronous API (#768)"

This reverts commit 989db4b8.

* update substrate

* remove unused parameter type

* bump trie-db version for tests

* fix collator test

* update substrate

* remove unnecessary service changes

* Bump versions

* Update for tipping treasury

* Bump substrate

* Fixes

* Put send_consensus back in.

* Fix test

* Fixes

* Fixes

* Fix warning

* Bump Substrate and versions

* Bump Substrate

* Bumped versions

* Bump to latest substrate that exposes load_spec

* Fix up Kusama balance constants

* Bump versions

* Fix for the --dev option

* bump substrate version

* bump version to 0.7.13

* cli: revert borked kusama chain on startup

* Docs.

* cli: fix reversal of bork kusama fork

* cli: force always can author

* Version bump

* service: support setting fork blocks in config

* service: add support for bad blocks extension

* service: add badBlocks to kusama chainspec

* Bump Substrate to hotfix version.

* service: add bad block to kusama chain spec

* cleanup kusama hotfix

* add kusama grandpa hotfix

* Bump substrate

* Bump spec_version

* Rebump

* cli: remove unnecessary dependencies

* service: revert can_author_with fix

* service: remove unnecessary method

* Don't try to track polkadot runtime verion yet

* Versions

* service: better grandpa fix detection

Co-authored-by: André Silva <andre.beat@gmail.com>

* Allow both polkadot and kusama runtimes

* Allow both polkadot and kusama runtimes

* Make `collator` build

* Removed kusama runtime

* Introduced common runtime

* Updated for latest substrate

* Updated CI targets

* Updated CI version check

* Removed unused dependency

* Pulled latests substrate

* Pulled latest substrate

* Fixed version

* Apply suggestions from code review

Co-Authored-By: Bastian Köcher <bkchr@users.noreply.github.com>

* NEW_HEADS_IDENTIFIER moved to primitives

* Updated CI check script

* Fixed script

* Set epoch duration for polkadot

* ci: check_runtime for both runtimes

Co-authored-by: Bastian Köcher <bkchr@users.noreply.github.com>
Co-authored-by: gabriel klawitter <gabreal@users.noreply.github.com>