1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
|
// Copyright (c) 2019-2020 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 BITCOIN_TEST_UTIL_TRANSACTION_UTILS_H
#define BITCOIN_TEST_UTIL_TRANSACTION_UTILS_H
#include <primitives/transaction.h>
#include <script/sign.h>
#include <array>
class FillableSigningProvider;
class CCoinsViewCache;
// create crediting transaction
// [1 coinbase input => 1 output with given scriptPubkey and value]
CMutableTransaction BuildCreditingTransaction(const CScript& scriptPubKey, int nValue = 0);
// create spending transaction
// [1 input with referenced transaction outpoint, scriptSig, scriptWitness =>
// 1 output with empty scriptPubKey, full value of referenced transaction]
CMutableTransaction BuildSpendingTransaction(const CScript& scriptSig, const CScriptWitness& scriptWitness, const CTransaction& txCredit);
// Helper: create two dummy transactions, each with two outputs.
// The first has nValues[0] and nValues[1] outputs paid to a TxoutType::PUBKEY,
// the second nValues[2] and nValues[3] outputs paid to a TxoutType::PUBKEYHASH.
std::vector<CMutableTransaction> SetupDummyInputs(FillableSigningProvider& keystoreRet, CCoinsViewCache& coinsRet, const std::array<CAmount,4>& nValues);
// bulk transaction to reach a certain target weight,
// by appending a single output with padded output script
void BulkTransaction(CMutableTransaction& tx, int32_t target_weight);
/**
* Produce a satisfying script (scriptSig or witness).
*
* @param provider Utility containing the information necessary to solve a script.
* @param fromPubKey The script to produce a satisfaction for.
* @param txTo The spending transaction.
* @param nIn The index of the input in `txTo` referring the output being spent.
* @param amount The value of the output being spent.
* @param nHashType Signature hash type.
* @param sig_data Additional data provided to solve a script. Filled with the resulting satisfying
* script and whether the satisfaction is complete.
*
* @return True if the produced script is entirely satisfying `fromPubKey`.
**/
bool SignSignature(const SigningProvider &provider, const CScript& fromPubKey, CMutableTransaction& txTo,
unsigned int nIn, const CAmount& amount, int nHashType, SignatureData& sig_data);
bool SignSignature(const SigningProvider &provider, const CTransaction& txFrom, CMutableTransaction& txTo,
unsigned int nIn, int nHashType, SignatureData& sig_data);
#endif // BITCOIN_TEST_UTIL_TRANSACTION_UTILS_H
|
