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wallet: take use of FastWalletRescanFilter

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This commit is contained in:
Sebastian Falbesoner 2022-08-26 02:57:41 +02:00
parent 70b3513904
commit 935c6c4b23
1 changed files with 47 additions and 30 deletions
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25
src/wallet/wallet.cpp
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@ -1814,7 +1814,11 @@ CWallet::ScanResult CWallet::ScanForWalletTransactions(const uint256& start_bloc
uint256 block_hash = start_block;
ScanResult result;
WalletLogPrintf("Rescan started from block %s...\n", start_block.ToString());
std::unique_ptr<FastWalletRescanFilter> fast_rescan_filter;
if (!IsLegacy() && chain().hasBlockFilterIndex(BlockFilterType::BASIC)) fast_rescan_filter = std::make_unique<FastWalletRescanFilter>(*this);
WalletLogPrintf("Rescan started from block %s... (%s)\n", start_block.ToString(),
fast_rescan_filter ? "fast variant using block filters" : "slow variant inspecting all blocks");
fAbortRescan = false;
ShowProgress(strprintf("%s " + _("Rescanning…").translated, GetDisplayName()), 0); // show rescan progress in GUI as dialog or on splashscreen, if rescan required on startup (e.g. due to corruption)
@ -1841,9 +1845,16 @@ CWallet::ScanResult CWallet::ScanForWalletTransactions(const uint256& start_bloc
WalletLogPrintf("Still rescanning. At block %d. Progress=%f\n", block_height, progress_current);
}
// Read block data
CBlock block;
chain().findBlock(block_hash, FoundBlock().data(block));
bool fetch_block{true};
if (fast_rescan_filter) {
fast_rescan_filter->UpdateIfNeeded();
auto matches_block{fast_rescan_filter->MatchesBlock(block_hash)};
if (matches_block.has_value() && !*matches_block) {
result.last_scanned_block = block_hash;
result.last_scanned_height = block_height;
fetch_block = false;
}
}
// Find next block separately from reading data above, because reading
// is slow and there might be a reorg while it is read.
@ -1852,6 +1863,11 @@ CWallet::ScanResult CWallet::ScanForWalletTransactions(const uint256& start_bloc
uint256 next_block_hash;
chain().findBlock(block_hash, FoundBlock().inActiveChain(block_still_active).nextBlock(FoundBlock().inActiveChain(next_block).hash(next_block_hash)));
if (fetch_block) {
// Read block data
CBlock block;
chain().findBlock(block_hash, FoundBlock().data(block));
if (!block.IsNull()) {
LOCK(cs_wallet);
if (!block_still_active) {
@ -1882,6 +1898,7 @@ CWallet::ScanResult CWallet::ScanForWalletTransactions(const uint256& start_bloc
result.last_failed_block = block_hash;
result.status = ScanResult::FAILURE;
}
}
if (max_height && block_height >= *max_height) {
break;
}