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Precompute sighashes

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This commit is contained in:
Pieter Wuille
2016-08-16 15:35:45 +02:00
committed by lateminer
parent 81e04cabfe
commit d8d19c532f
10 changed files with 72 additions and 26 deletions
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10
src/script/bitcoinconsensus.cpp
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@@ -82,11 +82,11 @@ int bitcoinconsensus_verify_script(const unsigned char *scriptPubKey, unsigned i
if (tx.GetSerializeSize(SER_NETWORK, PROTOCOL_VERSION) != txToLen)
return set_error(err, bitcoinconsensus_ERR_TX_SIZE_MISMATCH);
// Regardless of the verification result, the tx did not error.
set_error(err, bitcoinconsensus_ERR_OK);
CAmount am(0);
return VerifyScript(tx.vin[nIn].scriptSig, CScript(scriptPubKey, scriptPubKey + scriptPubKeyLen), flags, TransactionSignatureChecker(&tx, nIn, am), NULL);
// Regardless of the verification result, the tx did not error.
set_error(err, bitcoinconsensus_ERR_OK);
CachedHashes cachedHashes(tx);
CAmount amount(0);
return VerifyScript(tx.vin[nIn].scriptSig, CScript(scriptPubKey, scriptPubKey + scriptPubKeyLen), flags, TransactionSignatureChecker(&tx, nIn, amount, cachedHashes), NULL);
} catch (const std::exception&) {
return set_error(err, bitcoinconsensus_ERR_TX_DESERIALIZE); // Error deserializing
}