Bitcoin Core  26.1.0
P2P Digital Currency
script.h
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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  << ToByteVector([] {
16  uint256 hash;
17  CSHA256().Write(WITNESS_STACK_ELEM_OP_TRUE.data(), WITNESS_STACK_ELEM_OP_TRUE.size()).Finalize(hash.begin());
18  return hash;
19  }())};
20 
22 bool IsValidFlagCombination(unsigned flags);
23 
24 #endif // BITCOIN_TEST_UTIL_SCRIPT_H
CSHA256 & Write(const unsigned char *data, size_t len)
Definition: sha256.cpp:694
bool IsValidFlagCombination(unsigned flags)
Flags that are not forbidden by an assert in script validation.
Definition: script.cpp:8
static const CScript P2WSH_OP_TRUE
Definition: script.h:12
Definition: script.h:74
constexpr unsigned char * begin()
Definition: uint256.h:68
Definition: script.h:82
static const std::vector< uint8_t > WITNESS_STACK_ELEM_OP_TRUE
Definition: script.h:11
int flags
Definition: bitcoin-tx.cpp:528
std::vector< unsigned char > ToByteVector(const T &in)
Definition: script.h:65
256-bit opaque blob.
Definition: uint256.h:106
Serialized script, used inside transaction inputs and outputs.
Definition: script.h:412
A hasher class for SHA-256.
Definition: sha256.h:13