Line data    Source code

       1              : // Copyright (c) 2021 The Bitcoin Core developers
       2              : // Distributed under the MIT software license, see the accompanying
       3              : // file COPYING or http://www.opensource.org/licenses/mit-license.php.
       4              : 
       5              : #ifndef BITCOIN_TEST_UTIL_SCRIPT_H
       6              : #define BITCOIN_TEST_UTIL_SCRIPT_H
       7              : 
       8              : #include <crypto/sha256.h>
       9              : #include <script/script.h>
      10              : 
      11              : static const std::vector<uint8_t> WITNESS_STACK_ELEM_OP_TRUE{uint8_t{OP_TRUE}};
      12              : static const CScript P2WSH_OP_TRUE{
      13              :     CScript{}
      14              :     << OP_0
      15          520 :     << ToByteVector([] {
      16          520 :            uint256 hash;
      17          520 :            CSHA256().Write(WITNESS_STACK_ELEM_OP_TRUE.data(), WITNESS_STACK_ELEM_OP_TRUE.size()).Finalize(hash.begin());
      18          520 :            return hash;
      19              :        }())};
      20              : 
      21              : static const std::vector<uint8_t> EMPTY{};
      22              : static const CScript P2WSH_EMPTY{
      23              :     CScript{}
      24              :     << OP_0
      25          520 :     << ToByteVector([] {
      26          520 :            uint256 hash;
      27          520 :            CSHA256().Write(EMPTY.data(), EMPTY.size()).Finalize(hash.begin());
      28          520 :            return hash;
      29              :        }())};
      30              : static const std::vector<std::vector<uint8_t>> P2WSH_EMPTY_TRUE_STACK{{static_cast<uint8_t>(OP_TRUE)}, {}};
      31              : static const std::vector<std::vector<uint8_t>> P2WSH_EMPTY_TWO_STACK{{static_cast<uint8_t>(OP_2)}, {}};
      32              : 
      33              : /** Flags that are not forbidden by an assert in script validation */
      34              : bool IsValidFlagCombination(unsigned flags);
      35              : 
      36              : #endif // BITCOIN_TEST_UTIL_SCRIPT_H