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Convert CWallet::ScanForWalletTransactions and SyncTransaction to the new Chain apis

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Only change in behavior is "Rescan started from block <height>" message
replaced by "Rescan started from block <hash>" message in
ScanForWalletTransactions.

Co-authored-by: Ben Woosley <ben.woosley@gmail.com>
This commit is contained in:
Russell Yanofsky
2019-01-07 23:38:53 -08:00
parent 2ffb07929e
commit db21f02648
7 changed files with 209 additions and 125 deletions
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41
src/interfaces/chain.cpp
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@@ -60,6 +60,42 @@ class LockImpl : public Chain::Lock
assert(block != nullptr);
return block->GetMedianTimePast();
}
Optional<int> findFirstBlockWithTime(int64_t time, uint256* hash) override
{
CBlockIndex* block = ::chainActive.FindEarliestAtLeast(time);
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) {
CBlockIndex* block = stop_height ? ::chainActive[*stop_height] : ::chainActive.Tip();
while (block && block->nHeight >= start_height) {
if ((block->nStatus & BLOCK_HAVE_DATA) == 0) {
return block->nHeight;
}
block = block->pprev;
}
}
return nullopt;
}
Optional<int> findFork(const uint256& hash, Optional<int>* height) override
{
const CBlockIndex* block = LookupBlockIndex(hash);
@@ -116,6 +152,11 @@ public:
}
return true;
}
double guessVerificationProgress(const uint256& block_hash) override
{
LOCK(cs_main);
return GuessVerificationProgress(Params().TxData(), LookupBlockIndex(block_hash));
}
};
} // namespace