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61af31531a
5ca8ef2
libconsensus: Add input validation of flags (Wladimir J. van der Laan)
76 lines
3.0 KiB
C
76 lines
3.0 KiB
C
// Copyright (c) 2009-2010 Satoshi Nakamoto
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// Copyright (c) 2009-2015 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_BITCOINCONSENSUS_H
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#define BITCOIN_BITCOINCONSENSUS_H
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#if defined(BUILD_BITCOIN_INTERNAL) && defined(HAVE_CONFIG_H)
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#include "config/dash-config.h"
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#if defined(_WIN32)
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#if defined(DLL_EXPORT)
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#if defined(HAVE_FUNC_ATTRIBUTE_DLLEXPORT)
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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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#endif
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#elif defined(HAVE_FUNC_ATTRIBUTE_VISIBILITY)
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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 0
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typedef enum dashconsensus_error_t
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{
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dashconsensus_ERR_OK = 0,
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dashconsensus_ERR_TX_INDEX,
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dashconsensus_ERR_TX_SIZE_MISMATCH,
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dashconsensus_ERR_TX_DESERIALIZE,
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dashconsensus_ERR_INVALID_FLAGS,
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} dashconsensus_error;
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/** Script verification flags */
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enum
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{
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dashconsensus_SCRIPT_FLAGS_VERIFY_NONE = 0,
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dashconsensus_SCRIPT_FLAGS_VERIFY_P2SH = (1U << 0), // evaluate P2SH (BIP16) subscripts
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dashconsensus_SCRIPT_FLAGS_VERIFY_DERSIG = (1U << 2), // enforce strict DER (BIP66) compliance
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dashconsensus_SCRIPT_FLAGS_VERIFY_NULLDUMMY = (1U << 4), // enforce NULLDUMMY (BIP147)
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dashconsensus_SCRIPT_FLAGS_VERIFY_CHECKLOCKTIMEVERIFY = (1U << 9), // enable CHECKLOCKTIMEVERIFY (BIP65)
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dashconsensus_SCRIPT_FLAGS_VERIFY_CHECKSEQUENCEVERIFY = (1U << 10), // enable CHECKSEQUENCEVERIFY (BIP112)
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dashconsensus_SCRIPT_FLAGS_VERIFY_ALL = dashconsensus_SCRIPT_FLAGS_VERIFY_P2SH | dashconsensus_SCRIPT_FLAGS_VERIFY_DERSIG |
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dashconsensus_SCRIPT_FLAGS_VERIFY_NULLDUMMY | dashconsensus_SCRIPT_FLAGS_VERIFY_CHECKLOCKTIMEVERIFY |
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dashconsensus_SCRIPT_FLAGS_VERIFY_CHECKSEQUENCEVERIFY
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};
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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 NULL, err will contain an error/success code for the operation
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EXPORT_SYMBOL int dashconsensus_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, dashconsensus_error* err);
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EXPORT_SYMBOL unsigned int dashconsensus_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_BITCOINCONSENSUS_H
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