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refactor: set const auto& cbTx to avoid using optional throughout m…
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…ethod
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PastaPastaPasta committed Nov 19, 2024
1 parent 47b8f84 commit e7849b1
Showing 1 changed file with 10 additions and 9 deletions.
19 changes: 10 additions & 9 deletions src/evo/cbtx.cpp
Original file line number Diff line number Diff line change
Expand Up @@ -342,13 +342,14 @@ bool CheckCbTxBestChainlock(const CBlock& block, const CBlockIndex* pindex,
if (!opt_cbTx) {
return state.Invalid(BlockValidationResult::BLOCK_CONSENSUS, "bad-cbtx-payload");
}
const auto& cbTx = *opt_cbTx;

if (opt_cbTx->nVersion < CCbTx::Version::CLSIG_AND_BALANCE) {
if (cbTx.nVersion < CCbTx::Version::CLSIG_AND_BALANCE) {
return true;
}

auto best_clsig = chainlock_handler.GetBestChainLock();
if (best_clsig.getHeight() == pindex->nHeight - 1 && opt_cbTx->bestCLHeightDiff == 0 && opt_cbTx->bestCLSignature == best_clsig.getSig()) {
if (best_clsig.getHeight() == pindex->nHeight - 1 && cbTx.bestCLHeightDiff == 0 && cbTx.bestCLSignature == best_clsig.getSig()) {
// matches our best clsig which still hold values for the previous block
return true;
}
Expand All @@ -357,27 +358,27 @@ bool CheckCbTxBestChainlock(const CBlock& block, const CBlockIndex* pindex,
// If std::optional prevBlockCoinbaseChainlock is empty, then up to the previous block, coinbase Chainlock is null.
if (prevBlockCoinbaseChainlock.has_value()) {
// Previous block Coinbase has a non-null Chainlock: current block's Chainlock must be non-null and at least as new as the previous one
if (!opt_cbTx->bestCLSignature.IsValid()) {
if (!cbTx.bestCLSignature.IsValid()) {
// IsNull() doesn't exist for CBLSSignature: we assume that a non valid BLS sig is null
return state.Invalid(BlockValidationResult::BLOCK_CONSENSUS, "bad-cbtx-null-clsig");
}
if (opt_cbTx->bestCLHeightDiff > prevBlockCoinbaseChainlock.value().second + 1) {
if (cbTx.bestCLHeightDiff > prevBlockCoinbaseChainlock.value().second + 1) {
return state.Invalid(BlockValidationResult::BLOCK_CONSENSUS, "bad-cbtx-older-clsig");
}
}

// IsNull() doesn't exist for CBLSSignature: we assume that a valid BLS sig is non-null
if (opt_cbTx->bestCLSignature.IsValid()) {
int curBlockCoinbaseCLHeight = pindex->nHeight - static_cast<int>(opt_cbTx->bestCLHeightDiff) - 1;
if (best_clsig.getHeight() == curBlockCoinbaseCLHeight && best_clsig.getSig() == opt_cbTx->bestCLSignature) {
if (cbTx.bestCLSignature.IsValid()) {
int curBlockCoinbaseCLHeight = pindex->nHeight - static_cast<int>(cbTx.bestCLHeightDiff) - 1;
if (best_clsig.getHeight() == curBlockCoinbaseCLHeight && best_clsig.getSig() == cbTx.bestCLSignature) {
// matches our best (but outdated) clsig, no need to verify it again
return true;
}
uint256 curBlockCoinbaseCLBlockHash = pindex->GetAncestor(curBlockCoinbaseCLHeight)->GetBlockHash();
if (chainlock_handler.VerifyChainLock(llmq::CChainLockSig(curBlockCoinbaseCLHeight, curBlockCoinbaseCLBlockHash, opt_cbTx->bestCLSignature)) != llmq::VerifyRecSigStatus::Valid) {
if (chainlock_handler.VerifyChainLock(llmq::CChainLockSig(curBlockCoinbaseCLHeight, curBlockCoinbaseCLBlockHash, cbTx.bestCLSignature)) != llmq::VerifyRecSigStatus::Valid) {
return state.Invalid(BlockValidationResult::BLOCK_CONSENSUS, "bad-cbtx-invalid-clsig");
}
} else if (opt_cbTx->bestCLHeightDiff != 0) {
} else if (cbTx.bestCLHeightDiff != 0) {
// Null bestCLSignature is allowed only with bestCLHeightDiff = 0
return state.Invalid(BlockValidationResult::BLOCK_CONSENSUS, "bad-cbtx-cldiff");
}
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