mirror of https://github.com/bitcoin/bitcoin
97 lines
4.4 KiB
C
97 lines
4.4 KiB
C
// Copyright (c) 2009-2010 Satoshi Nakamoto
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// Copyright (c) 2009-2021 The Bitcoin Core developers
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// Distributed under the MIT software license, see the accompanying
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// file COPYING or http://www.opensource.org/licenses/mit-license.php.
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#ifndef BITCOIN_SCRIPT_BITCOINCONSENSUS_H
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#define BITCOIN_SCRIPT_BITCOINCONSENSUS_H
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#include <stdint.h>
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#if defined(BUILD_BITCOIN_INTERNAL) && defined(HAVE_CONFIG_H)
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#include <config/bitcoin-config.h>
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#if defined(_WIN32)
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#if defined(HAVE_DLLEXPORT_ATTRIBUTE)
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#define EXPORT_SYMBOL __declspec(dllexport)
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#else
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#define EXPORT_SYMBOL
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#endif
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#elif defined(HAVE_DEFAULT_VISIBILITY_ATTRIBUTE)
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#define EXPORT_SYMBOL __attribute__ ((visibility ("default")))
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#endif
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#elif defined(MSC_VER) && !defined(STATIC_LIBBITCOINCONSENSUS)
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#define EXPORT_SYMBOL __declspec(dllimport)
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#endif
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#ifndef EXPORT_SYMBOL
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#define EXPORT_SYMBOL
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#endif
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#ifdef __cplusplus
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extern "C" {
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#endif
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#define BITCOINCONSENSUS_API_VER 2
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typedef enum bitcoinconsensus_error_t
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{
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bitcoinconsensus_ERR_OK = 0,
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bitcoinconsensus_ERR_TX_INDEX,
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bitcoinconsensus_ERR_TX_SIZE_MISMATCH,
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bitcoinconsensus_ERR_TX_DESERIALIZE,
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bitcoinconsensus_ERR_AMOUNT_REQUIRED,
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bitcoinconsensus_ERR_INVALID_FLAGS,
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bitcoinconsensus_ERR_SPENT_OUTPUTS_REQUIRED,
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bitcoinconsensus_ERR_SPENT_OUTPUTS_MISMATCH
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} bitcoinconsensus_error;
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/** Script verification flags */
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enum
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{
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bitcoinconsensus_SCRIPT_FLAGS_VERIFY_NONE = 0,
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bitcoinconsensus_SCRIPT_FLAGS_VERIFY_P2SH = (1U << 0), // evaluate P2SH (BIP16) subscripts
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bitcoinconsensus_SCRIPT_FLAGS_VERIFY_DERSIG = (1U << 2), // enforce strict DER (BIP66) compliance
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bitcoinconsensus_SCRIPT_FLAGS_VERIFY_NULLDUMMY = (1U << 4), // enforce NULLDUMMY (BIP147)
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bitcoinconsensus_SCRIPT_FLAGS_VERIFY_CHECKLOCKTIMEVERIFY = (1U << 9), // enable CHECKLOCKTIMEVERIFY (BIP65)
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bitcoinconsensus_SCRIPT_FLAGS_VERIFY_CHECKSEQUENCEVERIFY = (1U << 10), // enable CHECKSEQUENCEVERIFY (BIP112)
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bitcoinconsensus_SCRIPT_FLAGS_VERIFY_WITNESS = (1U << 11), // enable WITNESS (BIP141)
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bitcoinconsensus_SCRIPT_FLAGS_VERIFY_TAPROOT = (1U << 17), // enable TAPROOT (BIPs 341 & 342)
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bitcoinconsensus_SCRIPT_FLAGS_VERIFY_ALL = bitcoinconsensus_SCRIPT_FLAGS_VERIFY_P2SH | bitcoinconsensus_SCRIPT_FLAGS_VERIFY_DERSIG |
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bitcoinconsensus_SCRIPT_FLAGS_VERIFY_NULLDUMMY | bitcoinconsensus_SCRIPT_FLAGS_VERIFY_CHECKLOCKTIMEVERIFY |
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bitcoinconsensus_SCRIPT_FLAGS_VERIFY_CHECKSEQUENCEVERIFY | bitcoinconsensus_SCRIPT_FLAGS_VERIFY_WITNESS |
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bitcoinconsensus_SCRIPT_FLAGS_VERIFY_TAPROOT
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};
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typedef struct {
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const unsigned char *scriptPubKey;
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unsigned int scriptPubKeySize;
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int64_t value;
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} UTXO;
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/// Returns 1 if the input nIn of the serialized transaction pointed to by
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/// txTo correctly spends the scriptPubKey pointed to by scriptPubKey under
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/// the additional constraints specified by flags.
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/// If not nullptr, err will contain an error/success code for the operation
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EXPORT_SYMBOL int bitcoinconsensus_verify_script(const unsigned char *scriptPubKey, unsigned int scriptPubKeyLen,
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const unsigned char *txTo , unsigned int txToLen,
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unsigned int nIn, unsigned int flags, bitcoinconsensus_error* err);
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EXPORT_SYMBOL int bitcoinconsensus_verify_script_with_amount(const unsigned char *scriptPubKey, unsigned int scriptPubKeyLen, int64_t amount,
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const unsigned char *txTo , unsigned int txToLen,
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unsigned int nIn, unsigned int flags, bitcoinconsensus_error* err);
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EXPORT_SYMBOL int bitcoinconsensus_verify_script_with_spent_outputs(const unsigned char *scriptPubKey, unsigned int scriptPubKeyLen, int64_t amount,
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const unsigned char *txTo , unsigned int txToLen,
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const UTXO *spentOutputs, unsigned int spentOutputsLen,
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unsigned int nIn, unsigned int flags, bitcoinconsensus_error* err);
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EXPORT_SYMBOL unsigned int bitcoinconsensus_version();
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#ifdef __cplusplus
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} // extern "C"
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#endif
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#undef EXPORT_SYMBOL
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#endif // BITCOIN_SCRIPT_BITCOINCONSENSUS_H
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