multi: Explicit hash in next work diff calcs. #2022
Merged
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This modifies the
CalcNextRequiredDifficulty
function inblockchain
to accept a hash instead of using the current chain tip as part of an overall effort to make the blockchain module more explicit and less reliant on the current state and updates all callers accordingly. It also removes theCalcNextRequiredDiffNode
which is no longer needed as a result as well as associated code fromblockamanager
.The changes are split into multiple commits to ease the review process.