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refactor: combine Chain::findFirstBlockWithTime/findFirstBlockWithTimeAndHeight

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As suggested in #14711, pass height to CChain::FindEarliestAtLeast to
simplify Chain interface by combining findFirstBlockWithTime and
findFirstBlockWithTimeAndHeight into one

Extend findearliestatleast_edge_test in consequence
This commit is contained in:
Antoine Riard
2019-03-26 16:46:22 +00:00
parent 8a8b03ecd2
commit 765c0b364d
7 changed files with 42 additions and 52 deletions
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7
src/chain.cpp
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@@ -59,10 +59,11 @@ const CBlockIndex *CChain::FindFork(const CBlockIndex *pindex) const {
return pindex;
}
CBlockIndex* CChain::FindEarliestAtLeast(int64_t nTime) const
CBlockIndex* CChain::FindEarliestAtLeast(int64_t nTime, int height) const
{
std::vector<CBlockIndex*>::const_iterator lower = std::lower_bound(vChain.begin(), vChain.end(), nTime,
[](CBlockIndex* pBlock, const int64_t& time) -> bool { return pBlock->GetBlockTimeMax() < time; });
std::pair<int64_t, int> blockparams = std::make_pair(nTime, height);
std::vector<CBlockIndex*>::const_iterator lower = std::lower_bound(vChain.begin(), vChain.end(), blockparams,
[](CBlockIndex* pBlock, const std::pair<int64_t, int>& blockparams) -> bool { return pBlock->GetBlockTimeMax() < blockparams.first || pBlock->nHeight < blockparams.second; });
return (lower == vChain.end() ? nullptr : *lower);
}