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[libconsensus] Script verification API with amounts

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This commit is contained in:
Thomas Kerin
2016-01-24 16:29:39 +00:00
committed by lateminer
parent 010b7f223f
commit 19820c1f9f
3 changed files with 39 additions and 4 deletions
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25
src/script/bitcoinconsensus.cpp
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@@ -69,7 +69,7 @@ struct ECCryptoClosure
ECCryptoClosure instance_of_eccryptoclosure;
}
int bitcoinconsensus_verify_script(const unsigned char *scriptPubKey, unsigned int scriptPubKeyLen,
static int verify_script(const unsigned char *scriptPubKey, unsigned int scriptPubKeyLen, CAmount amount,
const unsigned char *txTo , unsigned int txToLen,
unsigned int nIn, unsigned int flags, bitcoinconsensus_error* err)
{
@@ -84,14 +84,35 @@ int bitcoinconsensus_verify_script(const unsigned char *scriptPubKey, unsigned i
// Regardless of the verification result, the tx did not error.
set_error(err, bitcoinconsensus_ERR_OK);
PrecomputedTransactionData txdata(tx);
CAmount amount(0);
return VerifyScript(tx.vin[nIn].scriptSig, CScript(scriptPubKey, scriptPubKey + scriptPubKeyLen), flags, TransactionSignatureChecker(&tx, nIn, amount, 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,
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);
}
int bitcoinconsensus_verify_script(const unsigned char *scriptPubKey, unsigned int scriptPubKeyLen,
const unsigned char *txTo , unsigned int txToLen,
unsigned int nIn, unsigned int flags, bitcoinconsensus_error* err)
{
if (flags & bitcoinconsensus_SCRIPT_FLAGS_VERIFY_ALL) {
return set_error(err, bitcoinconsensus_ERR_AMOUNT_REQUIRED);
}
CAmount am(0);
return ::verify_script(scriptPubKey, scriptPubKeyLen, am, txTo, txToLen, nIn, flags, err);
}
unsigned int bitcoinconsensus_version()
{
// Just use the API version for now