* Introduce mandatory statement signing into claims
* Introduce SignedExtension
* Tests passing
* Bump runtime version
* Bump version, fix test
* Test for validate
* Another couple of tests
* Enable PrevalidateAttests on Polkadot
* Enable PrevalidateAttests on Polkadot
* Fix build
* Fixes
* More fixes
* Fix bench tests
* Fix & test Preclaim clobbering.
* Fix for errant claim logic
* Add test
* Update tests, always use Vec as input
* mint_claim can add signature, some_benchmarks
* Add claim with statement test
* finish benchmarks
* put the correct number of claims with benchmarks
* fix compiler warning
* Update weights
* Weight comments for validation
Co-authored-by: Shawn Tabrizi <shawntabrizi@gmail.com>
* Initial draft
* More work
* Build
* Docs
* Insert westend keys
* Add badBlock to fork from old chain
* Updated spec to reset westend
* Use raw spec
* Fix spec format and use westend2 for both id's
* Correct public key for bootnode 3
* Build
* Extra space
* Fix build
* Lock
* Update lock
* Fixes
* Fix for he startup text
* Bump
Co-authored-by: Gav Wood <gavin@parity.io>