diff options
Diffstat (limited to 'src/pow.cpp')
-rw-r--r-- | src/pow.cpp | 33 |
1 files changed, 0 insertions, 33 deletions
diff --git a/src/pow.cpp b/src/pow.cpp index d50222849c..75fbfc6a6d 100644 --- a/src/pow.cpp +++ b/src/pow.cpp @@ -98,39 +98,6 @@ bool CheckProofOfWork(uint256 hash, unsigned int nBits) return true; } -// -// true if nBits is greater than the minimum amount of work that could -// possibly be required deltaTime after minimum work required was nBase -// -bool CheckMinWork(unsigned int nBits, unsigned int nBase, int64_t deltaTime) -{ - bool fOverflow = false; - uint256 bnNewBlock; - bnNewBlock.SetCompact(nBits, NULL, &fOverflow); - if (fOverflow) - return false; - - const uint256 &bnLimit = Params().ProofOfWorkLimit(); - // Testnet has min-difficulty blocks - // after Params().TargetSpacing()*2 time between blocks: - if (Params().AllowMinDifficultyBlocks() && deltaTime > Params().TargetSpacing()*2) - return bnNewBlock <= bnLimit; - - uint256 bnResult; - bnResult.SetCompact(nBase); - while (deltaTime > 0 && bnResult < bnLimit) - { - // Maximum 400% adjustment... - bnResult *= 4; - // ... in best-case exactly 4-times-normal target time - deltaTime -= Params().TargetTimespan()*4; - } - if (bnResult > bnLimit) - bnResult = bnLimit; - - return bnNewBlock <= bnResult; -} - void UpdateTime(CBlockHeader* pblock, const CBlockIndex* pindexPrev) { pblock->nTime = std::max(pindexPrev->GetMedianTimePast()+1, GetAdjustedTime()); |