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-rw-r--r--src/pow.cpp33
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());