* Fix up pending receipts details. * Add support for additional params and registry over RPC. * Fix tests. * Add test, additional fix. Fixes #1932. * Fix up tests. * Fix test. * Fix test.
* add an instant sealing engine * add sealing engine tests * rename to InstantSeal * update name in json * whitespace [ci:skip]
* collect consesnsus engine code into module * move Engine to mod * fix json test