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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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18
src/interfaces/chain.cpp
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@@ -83,29 +83,15 @@ class LockImpl : public Chain::Lock
CBlockIndex* block = ::chainActive[height];
return block && ((block->nStatus & BLOCK_HAVE_DATA) != 0) && block->nTx > 0;
}
Optional<int> findFirstBlockWithTime(int64_t time, uint256* hash) override
Optional<int> findFirstBlockWithTimeAndHeight(int64_t time, int height, uint256* hash) override
{
CBlockIndex* block = ::chainActive.FindEarliestAtLeast(time);
CBlockIndex* block = ::chainActive.FindEarliestAtLeast(time, height);
if (block) {
if (hash) *hash = block->GetBlockHash();
return block->nHeight;
}
return nullopt;
}
Optional<int> findFirstBlockWithTimeAndHeight(int64_t time, int height) override
{
// TODO: Could update CChain::FindEarliestAtLeast() to take a height
// parameter and use it with std::lower_bound() to make this
// implementation more efficient and allow combining
// findFirstBlockWithTime and findFirstBlockWithTimeAndHeight into one
// method.
for (CBlockIndex* block = ::chainActive[height]; block; block = ::chainActive.Next(block)) {
if (block->GetBlockTime() >= time) {
return block->nHeight;
}
}
return nullopt;
}
Optional<int> findPruned(int start_height, Optional<int> stop_height) override
{
if (::fPruneMode) {