Move UpdateTime to pow
Move CBlockIndex::GetBlockWork() to pow::GetProofIncrement(nBits)
replace ComputeMinWork with CheckMinWork
Bypass reloading blocks from disk
Merge pull request #4764

92bb6f2 Bypass reloading blocks from disk (Pieter Wuille)
Merge pull request #4377

654871d replace ComputeMinWork with CheckMinWork (jtimon)
b343c1a Move CBlockIndex::GetBlockWork() to pow::GetProofIncrement(nBits) (jtimon)
c2c02f3 Move UpdateTime to pow (jtimon)
CheckProof method for CBlockHeader and CBlockIndex
Create Proof class
hide Proof::GetNextChallenge()
CheckMinWork(uint, uint, int64) -> Proof::CheckMinChallenge(Proof&)
nNonce = 0 -> ResetSolution()
Make Proof attributes private