text: // Copyright (c) 2009-2010 Satoshi Nakamoto
  // Copyright (c) 2009-2016 The Bitcoin Core developers
  // Distributed under the MIT software license, see the accompanying
  // file COPYING or http://www.opensource.org/licenses/mit-license.php.
  
  #ifndef BITCOINEURO_BITCOINEUROCONSENSUS_H
  #define BITCOINEURO_BITCOINEUROCONSENSUS_H
  
  #include <stdint.h>
  
  #if defined(BUILD_BITCOINEURO_INTERNAL) && defined(HAVE_CONFIG_H)
  #include "config/bitcoineuro-config.h"
  #if defined(_WIN32)
  #if defined(DLL_EXPORT)
  #if defined(HAVE_FUNC_ATTRIBUTE_DLLEXPORT)
  #define EXPORT_SYMBOL __declspec(dllexport)
  #else
  #define EXPORT_SYMBOL
  #endif
  #endif
  #elif defined(HAVE_FUNC_ATTRIBUTE_VISIBILITY)
  #define EXPORT_SYMBOL __attribute__((visibility("default")))
  #endif
  #elif defined(MSC_VER) && !defined(STATIC_LIBBITCOINEUROCONSENSUS)
  #define EXPORT_SYMBOL __declspec(dllimport)
  #endif
  
  #ifndef EXPORT_SYMBOL
  #define EXPORT_SYMBOL
  #endif
  
  #ifdef __cplusplus
  extern "C" {
  #endif
  
  #define BITCOINEUROCONSENSUS_API_VER 1
  
  typedef enum bitcoineuroconsensus_error_t {
      bitcoineuroconsensus_ERR_OK = 0,
      bitcoineuroconsensus_ERR_TX_INDEX,
      bitcoineuroconsensus_ERR_TX_SIZE_MISMATCH,
      bitcoineuroconsensus_ERR_TX_DESERIALIZE,
      bitcoineuroconsensus_ERR_AMOUNT_REQUIRED,
      bitcoineuroconsensus_ERR_INVALID_FLAGS,
  } bitcoineuroconsensus_error;
  
  /** Script verification flags */
  enum {
      bitcoineuroconsensus_SCRIPT_FLAGS_VERIFY_NONE = 0,
      bitcoineuroconsensus_SCRIPT_FLAGS_VERIFY_P2SH = (1U << 0), // evaluate P2SH (BIP16) subscripts
      bitcoineuroconsensus_SCRIPT_FLAGS_VERIFY_DERSIG = (1U << 2), // enforce strict DER (BIP66) compliance
      bitcoineuroconsensus_SCRIPT_FLAGS_VERIFY_NULLDUMMY = (1U << 4), // enforce NULLDUMMY (BIP147)
      bitcoineuroconsensus_SCRIPT_FLAGS_VERIFY_CHECKLOCKTIMEVERIFY = (1U << 9), // enable CHECKLOCKTIMEVERIFY (BIP65)
      bitcoineuroconsensus_SCRIPT_FLAGS_VERIFY_CHECKSEQUENCEVERIFY = (1U << 10), // enable CHECKSEQUENCEVERIFY (BIP112)
      bitcoineuroconsensus_SCRIPT_FLAGS_VERIFY_WITNESS = (1U << 11), // enable WITNESS (BIP141)
      bitcoineuroconsensus_SCRIPT_FLAGS_VERIFY_ALL = bitcoineuroconsensus_SCRIPT_FLAGS_VERIFY_P2SH | bitcoineuroconsensus_SCRIPT_FLAGS_VERIFY_DERSIG |
                                                 bitcoineuroconsensus_SCRIPT_FLAGS_VERIFY_NULLDUMMY | bitcoineuroconsensus_SCRIPT_FLAGS_VERIFY_CHECKLOCKTIMEVERIFY |
                                                 bitcoineuroconsensus_SCRIPT_FLAGS_VERIFY_CHECKSEQUENCEVERIFY | bitcoineuroconsensus_SCRIPT_FLAGS_VERIFY_WITNESS
  };
  
  /// Returns 1 if the input nIn of the serialized transaction pointed to by
  /// txTo correctly spends the scriptPubKey pointed to by scriptPubKey under
  /// the additional constraints specified by flags.
  /// If not nullptr, err will contain an error/success code for the operation
  EXPORT_SYMBOL int bitcoineuroconsensus_verify_script(const unsigned char* scriptPubKey, unsigned int scriptPubKeyLen, const unsigned char* txTo, unsigned int txToLen, unsigned int nIn, unsigned int flags, bitcoineuroconsensus_error* err);
  
  EXPORT_SYMBOL int bitcoineuroconsensus_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, bitcoineuroconsensus_error* err);
  
  EXPORT_SYMBOL unsigned int bitcoineuroconsensus_version();
  
  #ifdef __cplusplus
  } // extern "C"
  #endif
  
  #undef EXPORT_SYMBOL
  
  #endif // BITCOINEURO_BITCOINEUROCONSENSUS_H
  