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Tweak SignatureChecker to expose a bit more about the transaction

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Matt Corallo 2015-05-27 12:30:42 -07:00 • committed by Gregory Sanders
parent 6772ca1f25
commit 4ab8b0823a
17 changed files with 159 additions and 82 deletions
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13
src/script/bitcoinconsensus.cpp
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@ -77,6 +77,7 @@ static bool verify_flags(unsigned int flags)
}
static int verify_script(const unsigned char *scriptPubKey, unsigned int scriptPubKeyLen, CAmount amount,
CAmount amountPreviousInput,
const unsigned char *txTo , unsigned int txToLen,
unsigned int nIn, unsigned int flags, bitcoinconsensus_error* err)
{
@ -95,18 +96,23 @@ static int verify_script(const unsigned char *scriptPubKey, unsigned int scriptP
set_error(err, bitcoinconsensus_ERR_OK);
PrecomputedTransactionData txdata(tx);
return VerifyScript(tx.vin[nIn].scriptSig, CScript(scriptPubKey, scriptPubKey + scriptPubKeyLen), &tx.vin[nIn].scriptWitness, flags, TransactionSignatureChecker(&tx, nIn, amount, txdata), NULL);
if (amountPreviousInput < -1 || (nIn != 0 && !MoneyRange(amountPreviousInput)))
return VerifyScript(tx.vin[nIn].scriptSig, CScript(scriptPubKey, scriptPubKey + scriptPubKeyLen), &tx.vin[nIn].scriptWitness, flags, TransactionNoWithdrawsSignatureChecker(&tx, nIn, amount, txdata), NULL);
else
return VerifyScript(tx.vin[nIn].scriptSig, CScript(scriptPubKey, scriptPubKey + scriptPubKeyLen), &tx.vin[nIn].scriptWitness, flags, TransactionSignatureChecker(&tx, nIn, amount, amountPreviousInput, txdata), NULL);
} catch (const std::exception&) {
return set_error(err, bitcoinconsensus_ERR_TX_DESERIALIZE); // Error deserializing
}
}
int bitcoinconsensus_verify_script_with_amount(const unsigned char *scriptPubKey, unsigned int scriptPubKeyLen, int64_t amount,
int64_t amountPreviousInput,
const unsigned char *txTo , unsigned int txToLen,
unsigned int nIn, unsigned int flags, bitcoinconsensus_error* err)
{
CAmount am(amount);
return ::verify_script(scriptPubKey, scriptPubKeyLen, am, txTo, txToLen, nIn, flags, err);
CAmount prevInAm(amountPreviousInput);
return ::verify_script(scriptPubKey, scriptPubKeyLen, am, prevInAm, txTo, txToLen, nIn, flags, err);
}
@ -119,7 +125,8 @@ int bitcoinconsensus_verify_script(const unsigned char *scriptPubKey, unsigned i
}
CAmount am(0);
return ::verify_script(scriptPubKey, scriptPubKeyLen, am, txTo, txToLen, nIn, flags, err);
CAmount prevInAm(-2);
return ::verify_script(scriptPubKey, scriptPubKeyLen, am, prevInAm, txTo, txToLen, nIn, flags, err);
}
unsigned int bitcoinconsensus_version()