Bitcoin Core  24.99.0
P2P Digital Currency
feebumper_tests.cpp
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1 // Copyright (c) 2022 The Bitcoin Core developers
2 // Distributed under the MIT software license, see the accompanying
3 // file COPYING or https://www.opensource.org/licenses/mit-license.php.
4 
6 #include <script/script.h>
7 #include <util/strencodings.h>
8 #include <wallet/feebumper.h>
9 #include <wallet/test/util.h>
11 
12 #include <boost/test/unit_test.hpp>
13 
14 namespace wallet {
15 namespace feebumper {
16 BOOST_FIXTURE_TEST_SUITE(feebumper_tests, WalletTestingSetup)
17 
18 static void CheckMaxWeightComputation(const std::string& script_str, const std::vector<std::string>& witness_str_stack, const std::string& prevout_script_str, int64_t expected_max_weight)
19 {
20  std::vector script_data(ParseHex(script_str));
21  CScript script(script_data.begin(), script_data.end());
22  CTxIn input(uint256(), 0, script);
23 
24  for (const auto& s : witness_str_stack) {
25  input.scriptWitness.stack.push_back(ParseHex(s));
26  }
27 
28  std::vector prevout_script_data(ParseHex(prevout_script_str));
29  CScript prevout_script(prevout_script_data.begin(), prevout_script_data.end());
30 
31  int64_t weight = GetTransactionInputWeight(input);
32  SignatureWeights weights;
33  SignatureWeightChecker size_checker(weights, DUMMY_CHECKER);
34  bool script_ok = VerifyScript(input.scriptSig, prevout_script, &input.scriptWitness, STANDARD_SCRIPT_VERIFY_FLAGS, size_checker);
35  BOOST_CHECK(script_ok);
36  weight += weights.GetWeightDiffToMax();
37  BOOST_CHECK_EQUAL(weight, expected_max_weight);
38 }
39 
40 BOOST_AUTO_TEST_CASE(external_max_weight_test)
41 {
42  // P2PKH
43  CheckMaxWeightComputation("453042021f03c8957c5ce12940ee6e3333ecc3f633d9a1ac53a55b3ce0351c617fa96abe021f0dccdcce3ef45a63998be9ec748b561baf077b8e862941d0cd5ec08f5afe68012102fccfeb395f0ecd3a77e7bc31c3bc61dc987418b18e395d441057b42ca043f22c", {}, "76a914f60dcfd3392b28adc7662669603641f578eed72d88ac", 593);
44  // P2SH-P2WPKH
45  CheckMaxWeightComputation("160014001dca1b22c599b5a56a87c78417ad2ff39552f1", {"3042021f5443c58eaf45f3e5ef46f8516f966b334a7d497cedda4edb2b9fad57c90c3b021f63a77cb56cde848e2e2dd20b487eec2f53101f634193786083f60b4d23a82301", "026cfe86116f161057deb240201d6b82ebd4f161e0200d63dc9aca65a1d6b38bb7"}, "a9147c8ab5ad7708b97ccb6b483d57aba48ee85214df87", 364);
46  // P2WPKH
47  CheckMaxWeightComputation("", {"3042021f0f8906f0394979d5b737134773e5b88bf036c7d63542301d600ab677ba5a59021f0e9fe07e62c113045fa1c1532e2914720e8854d189c4f5b8c88f57956b704401", "0359edba11ed1a0568094a6296a16c4d5ee4c8cfe2f5e2e6826871b5ecf8188f79"}, "00149961a78658030cc824af4c54fbf5294bec0cabdd", 272);
48  // P2WSH HTLC
49  CheckMaxWeightComputation("", {"3042021f5c4c29e6b686aae5b6d0751e90208592ea96d26bc81d78b0d3871a94a21fa8021f74dc2f971e438ccece8699c8fd15704c41df219ab37b63264f2147d15c34d801", "01", "6321024cf55e52ec8af7866617dc4e7ff8433758e98799906d80e066c6f32033f685f967029000b275210214827893e2dcbe4ad6c20bd743288edad21100404eb7f52ccd6062fd0e7808f268ac"}, "002089e84892873c679b1129edea246e484fd914c2601f776d4f2f4a001eb8059703", 318);
50 }
51 
53 } // namespace feebumper
54 } // namespace wallet
Serialized script, used inside transaction inputs and outputs.
Definition: script.h:411
An input of a transaction.
Definition: transaction.h:74
CScript scriptSig
Definition: transaction.h:77
CScriptWitness scriptWitness
Only serialized through CTransaction.
Definition: transaction.h:79
256-bit opaque blob.
Definition: uint256.h:119
static int64_t GetTransactionInputWeight(const CTxIn &txin)
Definition: validation.h:156
BOOST_AUTO_TEST_SUITE_END()
bool VerifyScript(const CScript &scriptSig, const CScript &scriptPubKey, const CScriptWitness *witness, unsigned int flags, const BaseSignatureChecker &checker, ScriptError *serror)
static void CheckMaxWeightComputation(const std::string &script_str, const std::vector< std::string > &witness_str_stack, const std::string &prevout_script_str, int64_t expected_max_weight)
BOOST_AUTO_TEST_CASE(external_max_weight_test)
Definition: node.h:39
#define BOOST_CHECK_EQUAL(v1, v2)
Definition: object.cpp:17
#define BOOST_CHECK(expr)
Definition: object.cpp:16
static constexpr unsigned int STANDARD_SCRIPT_VERIFY_FLAGS
Standard script verification flags that standard transactions will comply with.
Definition: policy.h:77
const BaseSignatureChecker & DUMMY_CHECKER
A signature checker that accepts all signatures.
Definition: sign.cpp:601
std::vector< std::vector< unsigned char > > stack
Definition: script.h:566
int64_t GetWeightDiffToMax() const
Definition: feebumper.h:95
std::vector< Byte > ParseHex(std::string_view str)
Parse the hex string into bytes (uint8_t or std::byte).