diff options
Diffstat (limited to 'src')
| -rw-r--r-- | src/pow.cpp | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/src/pow.cpp b/src/pow.cpp index 3c5a8d9d96..cf7ac387f2 100644 --- a/src/pow.cpp +++ b/src/pow.cpp @@ -42,9 +42,9 @@ unsigned int GetNextWorkRequired(const CBlockIndex* pindexLast, const CBlockHead } // Go back by what we want to be 14 days worth of blocks - const CBlockIndex* pindexFirst = pindexLast; - for (int i = 0; pindexFirst && i < params.DifficultyAdjustmentInterval()-1; i++) - pindexFirst = pindexFirst->pprev; + int nHeightFirst = pindexLast->nHeight - (params.DifficultyAdjustmentInterval()-1); + assert(nHeightFirst >= 0); + const CBlockIndex* pindexFirst = pindexLast->GetAncestor(nHeightFirst); assert(pindexFirst); return CalculateNextWorkRequired(pindexLast, pindexFirst->GetBlockTime(), params); |