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Precompute sighashes

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Original version by Nicolas Dorier. Precomputing version by Pieter Wuille.
This commit is contained in:
Pieter Wuille
2016-08-16 15:35:45 +02:00
parent 2c2d471e18
commit d2c5d044d0
8 changed files with 78 additions and 38 deletions
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6
src/test/transaction_tests.cpp
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@@ -153,6 +153,7 @@ BOOST_AUTO_TEST_CASE(tx_valid)
BOOST_CHECK_MESSAGE(CheckTransaction(tx, state), strTest);
BOOST_CHECK(state.IsValid());
CachedHashes cachedHashes(tx);
for (unsigned int i = 0; i < tx.vin.size(); i++)
{
if (!mapprevOutScriptPubKeys.count(tx.vin[i].prevout))
@@ -168,7 +169,7 @@ BOOST_AUTO_TEST_CASE(tx_valid)
unsigned int verify_flags = ParseScriptFlags(test[2].get_str());
const CScriptWitness *witness = (i < tx.wit.vtxinwit.size()) ? &tx.wit.vtxinwit[i].scriptWitness : NULL;
BOOST_CHECK_MESSAGE(VerifyScript(tx.vin[i].scriptSig, mapprevOutScriptPubKeys[tx.vin[i].prevout],
witness, verify_flags, TransactionSignatureChecker(&tx, i, amount), &err),
witness, verify_flags, TransactionSignatureChecker(&tx, i, amount, cachedHashes), &err),
strTest);
BOOST_CHECK_MESSAGE(err == SCRIPT_ERR_OK, ScriptErrorString(err));
}
@@ -237,6 +238,7 @@ BOOST_AUTO_TEST_CASE(tx_invalid)
CValidationState state;
fValid = CheckTransaction(tx, state) && state.IsValid();
CachedHashes cachedHashes(tx);
for (unsigned int i = 0; i < tx.vin.size() && fValid; i++)
{
if (!mapprevOutScriptPubKeys.count(tx.vin[i].prevout))
@@ -252,7 +254,7 @@ BOOST_AUTO_TEST_CASE(tx_invalid)
}
const CScriptWitness *witness = (i < tx.wit.vtxinwit.size()) ? &tx.wit.vtxinwit[i].scriptWitness : NULL;
fValid = VerifyScript(tx.vin[i].scriptSig, mapprevOutScriptPubKeys[tx.vin[i].prevout],
witness, verify_flags, TransactionSignatureChecker(&tx, i, amount), &err);
witness, verify_flags, TransactionSignatureChecker(&tx, i, amount, cachedHashes), &err);
}
BOOST_CHECK_MESSAGE(!fValid, strTest);
BOOST_CHECK_MESSAGE(err != SCRIPT_ERR_OK, ScriptErrorString(err));