git / moonbite-core / src/test/transaction_tests.cpp · raw

// Copyright (c) 2011-2020 The Bitcoin Core developers// Distributed under the MIT software license, see the accompanying// file COPYING or http://www.opensource.org/licenses/mit-license.php.#include <test/data/tx_invalid.json.h>#include <test/data/tx_valid.json.h>#include <test/util/setup_common.h>#include <checkqueue.h>#include <clientversion.h>#include <consensus/tx_check.h>#include <consensus/validation.h>#include <core_io.h>#include <key.h>#include <policy/policy.h>#include <policy/settings.h>#include <script/script.h>#include <script/script_error.h>#include <script/sign.h>#include <script/signingprovider.h>#include <script/standard.h>#include <streams.h>#include <test/util/transaction_utils.h>#include <util/strencodings.h>#include <validation.h>#include <map>#include <string>#include <boost/algorithm/string/classification.hpp>#include <boost/algorithm/string/split.hpp>#include <boost/test/unit_test.hpp>#include <univalue.h>typedef std::vector<unsigned char> valtype;// In script_tests.cppextern UniValue read_json(const std::string& jsondata);static std::map<std::string, unsigned int> mapFlagNames = {    {std::string("NONE"), (unsigned int)SCRIPT_VERIFY_NONE},    {std::string("P2SH"), (unsigned int)SCRIPT_VERIFY_P2SH},    {std::string("STRICTENC"), (unsigned int)SCRIPT_VERIFY_STRICTENC},    {std::string("DERSIG"), (unsigned int)SCRIPT_VERIFY_DERSIG},    {std::string("LOW_S"), (unsigned int)SCRIPT_VERIFY_LOW_S},    {std::string("SIGPUSHONLY"), (unsigned int)SCRIPT_VERIFY_SIGPUSHONLY},    {std::string("MINIMALDATA"), (unsigned int)SCRIPT_VERIFY_MINIMALDATA},    {std::string("NULLDUMMY"), (unsigned int)SCRIPT_VERIFY_NULLDUMMY},    {std::string("DISCOURAGE_UPGRADABLE_NOPS"), (unsigned int)SCRIPT_VERIFY_DISCOURAGE_UPGRADABLE_NOPS},    {std::string("CLEANSTACK"), (unsigned int)SCRIPT_VERIFY_CLEANSTACK},    {std::string("MINIMALIF"), (unsigned int)SCRIPT_VERIFY_MINIMALIF},    {std::string("NULLFAIL"), (unsigned int)SCRIPT_VERIFY_NULLFAIL},    {std::string("CHECKLOCKTIMEVERIFY"), (unsigned int)SCRIPT_VERIFY_CHECKLOCKTIMEVERIFY},    {std::string("CHECKSEQUENCEVERIFY"), (unsigned int)SCRIPT_VERIFY_CHECKSEQUENCEVERIFY},    {std::string("WITNESS"), (unsigned int)SCRIPT_VERIFY_WITNESS},    {std::string("DISCOURAGE_UPGRADABLE_WITNESS_PROGRAM"), (unsigned int)SCRIPT_VERIFY_DISCOURAGE_UPGRADABLE_WITNESS_PROGRAM},    {std::string("WITNESS_PUBKEYTYPE"), (unsigned int)SCRIPT_VERIFY_WITNESS_PUBKEYTYPE},    {std::string("CONST_SCRIPTCODE"), (unsigned int)SCRIPT_VERIFY_CONST_SCRIPTCODE},    {std::string("TAPROOT"), (unsigned int)SCRIPT_VERIFY_TAPROOT},};unsigned int ParseScriptFlags(std::string strFlags){    if (strFlags.empty()) {        return 0;    }    unsigned int flags = 0;    std::vector<std::string> words;    boost::algorithm::split(words, strFlags, boost::algorithm::is_any_of(","));    for (const std::string& word : words)    {        if (!mapFlagNames.count(word))            BOOST_ERROR("Bad test: unknown verification flag '" << word << "'");        flags |= mapFlagNames[word];    }    return flags;}std::string FormatScriptFlags(unsigned int flags){    if (flags == 0) {        return "";    }    std::string ret;    std::map<std::string, unsigned int>::const_iterator it = mapFlagNames.begin();    while (it != mapFlagNames.end()) {        if (flags & it->second) {            ret += it->first + ",";        }        it++;    }    return ret.substr(0, ret.size() - 1);}BOOST_FIXTURE_TEST_SUITE(transaction_tests, BasicTestingSetup)BOOST_AUTO_TEST_CASE(tx_valid){    // Read tests from test/data/tx_valid.json    // Format is an array of arrays    // Inner arrays are either [ "comment" ]    // or [[[prevout hash, prevout index, prevout scriptPubKey], [input 2], ...],"], serializedTransaction, verifyFlags    // ... where all scripts are stringified scripts.    //    // verifyFlags is a comma separated list of script verification flags to apply, or "NONE"    UniValue tests = read_json(std::string(json_tests::tx_valid, json_tests::tx_valid + sizeof(json_tests::tx_valid)));    ScriptError err;    for (unsigned int idx = 0; idx < tests.size(); idx++) {        UniValue test = tests[idx];        std::string strTest = test.write();        if (test[0].isArray())        {            if (test.size() != 3 || !test[1].isStr() || !test[2].isStr())            {                BOOST_ERROR("Bad test: " << strTest);                continue;            }            std::map<COutPoint, CScript> mapprevOutScriptPubKeys;            std::map<COutPoint, int64_t> mapprevOutValues;            UniValue inputs = test[0].get_array();            bool fValid = true;            for (unsigned int inpIdx = 0; inpIdx < inputs.size(); inpIdx++) {                const UniValue& input = inputs[inpIdx];                if (!input.isArray()) {                    fValid = false;                    break;                }                UniValue vinput = input.get_array();                if (vinput.size() < 3 || vinput.size() > 4)                {                    fValid = false;                    break;                }                COutPoint outpoint(uint256S(vinput[0].get_str()), vinput[1].get_int());                mapprevOutScriptPubKeys[outpoint] = ParseScript(vinput[2].get_str());                if (vinput.size() >= 4)                {                    mapprevOutValues[outpoint] = vinput[3].get_int64();                }            }            if (!fValid)            {                BOOST_ERROR("Bad test: " << strTest);                continue;            }            std::string transaction = test[1].get_str();            CDataStream stream(ParseHex(transaction), SER_NETWORK, PROTOCOL_VERSION);            CTransaction tx(deserialize, stream);            TxValidationState state;            BOOST_CHECK_MESSAGE(CheckTransaction(tx, state), strTest);            BOOST_CHECK(state.IsValid());            PrecomputedTransactionData txdata(tx);            for (unsigned int i = 0; i < tx.vin.size(); i++)            {                if (!mapprevOutScriptPubKeys.count(tx.vin[i].prevout))                {                    BOOST_ERROR("Bad test: " << strTest);                    break;                }                CAmount amount = 0;                if (mapprevOutValues.count(tx.vin[i].prevout)) {                    amount = mapprevOutValues[tx.vin[i].prevout];                }                unsigned int verify_flags = ParseScriptFlags(test[2].get_str());                const CScriptWitness *witness = &tx.vin[i].scriptWitness;                BOOST_CHECK_MESSAGE(VerifyScript(tx.vin[i].scriptSig, mapprevOutScriptPubKeys[tx.vin[i].prevout],                                                 witness, verify_flags, TransactionSignatureChecker(&tx, i, amount, txdata), &err),                                    strTest);                BOOST_CHECK_MESSAGE(err == SCRIPT_ERR_OK, ScriptErrorString(err));            }        }    }}BOOST_AUTO_TEST_CASE(tx_invalid){    // Read tests from test/data/tx_invalid.json    // Format is an array of arrays    // Inner arrays are either [ "comment" ]    // or [[[prevout hash, prevout index, prevout scriptPubKey], [input 2], ...],"], serializedTransaction, verifyFlags    // ... where all scripts are stringified scripts.    //    // verifyFlags is a comma separated list of script verification flags to apply, or "NONE"    UniValue tests = read_json(std::string(json_tests::tx_invalid, json_tests::tx_invalid + sizeof(json_tests::tx_invalid)));    // Initialize to SCRIPT_ERR_OK. The tests expect err to be changed to a    // value other than SCRIPT_ERR_OK.    ScriptError err = SCRIPT_ERR_OK;    for (unsigned int idx = 0; idx < tests.size(); idx++) {        UniValue test = tests[idx];        std::string strTest = test.write();        if (test[0].isArray())        {            if (test.size() != 3 || !test[1].isStr() || !test[2].isStr())            {                BOOST_ERROR("Bad test: " << strTest);                continue;            }            std::map<COutPoint, CScript> mapprevOutScriptPubKeys;            std::map<COutPoint, int64_t> mapprevOutValues;            UniValue inputs = test[0].get_array();            bool fValid = true;            for (unsigned int inpIdx = 0; inpIdx < inputs.size(); inpIdx++) {                const UniValue& input = inputs[inpIdx];                if (!input.isArray()) {                    fValid = false;                    break;                }                UniValue vinput = input.get_array();                if (vinput.size() < 3 || vinput.size() > 4)                {                    fValid = false;                    break;                }                COutPoint outpoint(uint256S(vinput[0].get_str()), vinput[1].get_int());                mapprevOutScriptPubKeys[outpoint] = ParseScript(vinput[2].get_str());                if (vinput.size() >= 4)                {                    mapprevOutValues[outpoint] = vinput[3].get_int64();                }            }            if (!fValid)            {                BOOST_ERROR("Bad test: " << strTest);                continue;            }            std::string transaction = test[1].get_str();            CDataStream stream(ParseHex(transaction), SER_NETWORK, PROTOCOL_VERSION );            CTransaction tx(deserialize, stream);            TxValidationState state;            fValid = CheckTransaction(tx, state) && state.IsValid();            PrecomputedTransactionData txdata(tx);            for (unsigned int i = 0; i < tx.vin.size() && fValid; i++)            {                if (!mapprevOutScriptPubKeys.count(tx.vin[i].prevout))                {                    BOOST_ERROR("Bad test: " << strTest);                    break;                }                unsigned int verify_flags = ParseScriptFlags(test[2].get_str());                CAmount amount = 0;                if (mapprevOutValues.count(tx.vin[i].prevout)) {                    amount = mapprevOutValues[tx.vin[i].prevout];                }                const CScriptWitness *witness = &tx.vin[i].scriptWitness;                fValid = VerifyScript(tx.vin[i].scriptSig, mapprevOutScriptPubKeys[tx.vin[i].prevout],                                      witness, verify_flags, TransactionSignatureChecker(&tx, i, amount, txdata), &err);            }            BOOST_CHECK_MESSAGE(!fValid, strTest);            BOOST_CHECK_MESSAGE(err != SCRIPT_ERR_OK, ScriptErrorString(err));        }    }}BOOST_AUTO_TEST_CASE(basic_transaction_tests){    // Random real transaction (e2769b09e784f32f62ef849763d4f45b98e07ba658647343b915ff832b110436)    unsigned char ch[] = {0x01, 0x00, 0x00, 0x00, 0x01, 0x6b, 0xff, 0x7f, 0xcd, 0x4f, 0x85, 0x65, 0xef, 0x40, 0x6d, 0xd5, 0xd6, 0x3d, 0x4f, 0xf9, 0x4f, 0x31, 0x8f, 0xe8, 0x20, 0x27, 0xfd, 0x4d, 0xc4, 0x51, 0xb0, 0x44, 0x74, 0x01, 0x9f, 0x74, 0xb4, 0x00, 0x00, 0x00, 0x00, 0x8c, 0x49, 0x30, 0x46, 0x02, 0x21, 0x00, 0xda, 0x0d, 0xc6, 0xae, 0xce, 0xfe, 0x1e, 0x06, 0xef, 0xdf, 0x05, 0x77, 0x37, 0x57, 0xde, 0xb1, 0x68, 0x82, 0x09, 0x30, 0xe3, 0xb0, 0xd0, 0x3f, 0x46, 0xf5, 0xfc, 0xf1, 0x50, 0xbf, 0x99, 0x0c, 0x02, 0x21, 0x00, 0xd2, 0x5b, 0x5c, 0x87, 0x04, 0x00, 0x76, 0xe4, 0xf2, 0x53, 0xf8, 0x26, 0x2e, 0x76, 0x3e, 0x2d, 0xd5, 0x1e, 0x7f, 0xf0, 0xbe, 0x15, 0x77, 0x27, 0xc4, 0xbc, 0x42, 0x80, 0x7f, 0x17, 0xbd, 0x39, 0x01, 0x41, 0x04, 0xe6, 0xc2, 0x6e, 0xf6, 0x7d, 0xc6, 0x10, 0xd2, 0xcd, 0x19, 0x24, 0x84, 0x78, 0x9a, 0x6c, 0xf9, 0xae, 0xa9, 0x93, 0x0b, 0x94, 0x4b, 0x7e, 0x2d, 0xb5, 0x34, 0x2b, 0x9d, 0x9e, 0x5b, 0x9f, 0xf7, 0x9a, 0xff, 0x9a, 0x2e, 0xe1, 0x97, 0x8d, 0xd7, 0xfd, 0x01, 0xdf, 0xc5, 0x22, 0xee, 0x02, 0x28, 0x3d, 0x3b, 0x06, 0xa9, 0xd0, 0x3a, 0xcf, 0x80, 0x96, 0x96, 0x8d, 0x7d, 0xbb, 0x0f, 0x91, 0x78, 0xff, 0xff, 0xff, 0xff, 0x02, 0x8b, 0xa7, 0x94, 0x0e, 0x00, 0x00, 0x00, 0x00, 0x19, 0x76, 0xa9, 0x14, 0xba, 0xde, 0xec, 0xfd, 0xef, 0x05, 0x07, 0x24, 0x7f, 0xc8, 0xf7, 0x42, 0x41, 0xd7, 0x3b, 0xc0, 0x39, 0x97, 0x2d, 0x7b, 0x88, 0xac, 0x40, 0x94, 0xa8, 0x02, 0x00, 0x00, 0x00, 0x00, 0x19, 0x76, 0xa9, 0x14, 0xc1, 0x09, 0x32, 0x48, 0x3f, 0xec, 0x93, 0xed, 0x51, 0xf5, 0xfe, 0x95, 0xe7, 0x25, 0x59, 0xf2, 0xcc, 0x70, 0x43, 0xf9, 0x88, 0xac, 0x00, 0x00, 0x00, 0x00, 0x00};    std::vector<unsigned char> vch(ch, ch + sizeof(ch) -1);    CDataStream stream(vch, SER_DISK, CLIENT_VERSION);    CMutableTransaction tx;    stream >> tx;    TxValidationState state;    BOOST_CHECK_MESSAGE(CheckTransaction(CTransaction(tx), state) && state.IsValid(), "Simple deserialized transaction should be valid.");    // Check that duplicate txins fail    tx.vin.push_back(tx.vin[0]);    BOOST_CHECK_MESSAGE(!CheckTransaction(CTransaction(tx), state) || !state.IsValid(), "Transaction with duplicate txins should be invalid.");}BOOST_AUTO_TEST_CASE(test_Get){    FillableSigningProvider keystore;    CCoinsView coinsDummy;    CCoinsViewCache coins(&coinsDummy);    std::vector<CMutableTransaction> dummyTransactions =        SetupDummyInputs(keystore, coins, {11*CENT, 50*CENT, 21*CENT, 22*CENT});    CMutableTransaction t1;    t1.vin.resize(3);    t1.vin[0].prevout.hash = dummyTransactions[0].GetHash();    t1.vin[0].prevout.n = 1;    t1.vin[0].scriptSig << std::vector<unsigned char>(65, 0);    t1.vin[1].prevout.hash = dummyTransactions[1].GetHash();    t1.vin[1].prevout.n = 0;    t1.vin[1].scriptSig << std::vector<unsigned char>(65, 0) << std::vector<unsigned char>(33, 4);    t1.vin[2].prevout.hash = dummyTransactions[1].GetHash();    t1.vin[2].prevout.n = 1;    t1.vin[2].scriptSig << std::vector<unsigned char>(65, 0) << std::vector<unsigned char>(33, 4);    t1.vout.resize(2);    t1.vout[0].nValue = 90*CENT;    t1.vout[0].scriptPubKey << OP_1;    BOOST_CHECK(AreInputsStandard(CTransaction(t1), coins, false));}static void CreateCreditAndSpend(const FillableSigningProvider& keystore, const CScript& outscript, CTransactionRef& output, CMutableTransaction& input, bool success = true){    CMutableTransaction outputm;    outputm.nVersion = 1;    outputm.vin.resize(1);    outputm.vin[0].prevout.SetNull();    outputm.vin[0].scriptSig = CScript();    outputm.vout.resize(1);    outputm.vout[0].nValue = 1;    outputm.vout[0].scriptPubKey = outscript;    CDataStream ssout(SER_NETWORK, PROTOCOL_VERSION);    ssout << outputm;    ssout >> output;    assert(output->vin.size() == 1);    assert(output->vin[0] == outputm.vin[0]);    assert(output->vout.size() == 1);    assert(output->vout[0] == outputm.vout[0]);    CMutableTransaction inputm;    inputm.nVersion = 1;    inputm.vin.resize(1);    inputm.vin[0].prevout.hash = output->GetHash();    inputm.vin[0].prevout.n = 0;    inputm.vout.resize(1);    inputm.vout[0].nValue = 1;    inputm.vout[0].scriptPubKey = CScript();    bool ret = SignSignature(keystore, *output, inputm, 0, SIGHASH_ALL);    assert(ret == success);    CDataStream ssin(SER_NETWORK, PROTOCOL_VERSION);    ssin << inputm;    ssin >> input;    assert(input.vin.size() == 1);    assert(input.vin[0] == inputm.vin[0]);    assert(input.vout.size() == 1);    assert(input.vout[0] == inputm.vout[0]);    assert(input.vin[0].scriptWitness.stack == inputm.vin[0].scriptWitness.stack);}static void CheckWithFlag(const CTransactionRef& output, const CMutableTransaction& input, int flags, bool success){    ScriptError error;    CTransaction inputi(input);    bool ret = VerifyScript(inputi.vin[0].scriptSig, output->vout[0].scriptPubKey, &inputi.vin[0].scriptWitness, flags, TransactionSignatureChecker(&inputi, 0, output->vout[0].nValue), &error);    assert(ret == success);}static CScript PushAll(const std::vector<valtype>& values){    CScript result;    for (const valtype& v : values) {        if (v.size() == 0) {            result << OP_0;        } else if (v.size() == 1 && v[0] >= 1 && v[0] <= 16) {            result << CScript::EncodeOP_N(v[0]);        } else if (v.size() == 1 && v[0] == 0x81) {            result << OP_1NEGATE;        } else {            result << v;        }    }    return result;}static void ReplaceRedeemScript(CScript& script, const CScript& redeemScript){    std::vector<valtype> stack;    EvalScript(stack, script, SCRIPT_VERIFY_STRICTENC, BaseSignatureChecker(), SigVersion::BASE);    assert(stack.size() > 0);    stack.back() = std::vector<unsigned char>(redeemScript.begin(), redeemScript.end());    script = PushAll(stack);}BOOST_AUTO_TEST_CASE(test_big_witness_transaction){    CMutableTransaction mtx;    mtx.nVersion = 1;    CKey key;    key.MakeNewKey(true); // Need to use compressed keys in segwit or the signing will fail    FillableSigningProvider keystore;    BOOST_CHECK(keystore.AddKeyPubKey(key, key.GetPubKey()));    CKeyID hash = key.GetPubKey().GetID();    CScript scriptPubKey = CScript() << OP_0 << std::vector<unsigned char>(hash.begin(), hash.end());    std::vector<int> sigHashes;    sigHashes.push_back(SIGHASH_NONE | SIGHASH_ANYONECANPAY);    sigHashes.push_back(SIGHASH_SINGLE | SIGHASH_ANYONECANPAY);    sigHashes.push_back(SIGHASH_ALL | SIGHASH_ANYONECANPAY);    sigHashes.push_back(SIGHASH_NONE);    sigHashes.push_back(SIGHASH_SINGLE);    sigHashes.push_back(SIGHASH_ALL);    // create a big transaction of 4500 inputs signed by the same key    for(uint32_t ij = 0; ij < 4500; ij++) {        uint32_t i = mtx.vin.size();        uint256 prevId;        prevId.SetHex("0000000000000000000000000000000000000000000000000000000000000100");        COutPoint outpoint(prevId, i);        mtx.vin.resize(mtx.vin.size() + 1);        mtx.vin[i].prevout = outpoint;        mtx.vin[i].scriptSig = CScript();        mtx.vout.resize(mtx.vout.size() + 1);        mtx.vout[i].nValue = 1000;        mtx.vout[i].scriptPubKey = CScript() << OP_1;    }    // sign all inputs    for(uint32_t i = 0; i < mtx.vin.size(); i++) {        bool hashSigned = SignSignature(keystore, scriptPubKey, mtx, i, 1000, sigHashes.at(i % sigHashes.size()));        assert(hashSigned);    }    CDataStream ssout(SER_NETWORK, PROTOCOL_VERSION);    ssout << mtx;    CTransaction tx(deserialize, ssout);    // check all inputs concurrently, with the cache    PrecomputedTransactionData txdata(tx);    boost::thread_group threadGroup;    CCheckQueue<CScriptCheck> scriptcheckqueue(128);    CCheckQueueControl<CScriptCheck> control(&scriptcheckqueue);    for (int i=0; i<20; i++)        threadGroup.create_thread(std::bind(&CCheckQueue<CScriptCheck>::Thread, std::ref(scriptcheckqueue)));    std::vector<Coin> coins;    for(uint32_t i = 0; i < mtx.vin.size(); i++) {        Coin coin;        coin.nHeight = 1;        coin.fCoinBase = false;        coin.out.nValue = 1000;        coin.out.scriptPubKey = scriptPubKey;        coins.emplace_back(std::move(coin));    }    for(uint32_t i = 0; i < mtx.vin.size(); i++) {        std::vector<CScriptCheck> vChecks;        CScriptCheck check(coins[tx.vin[i].prevout.n].out, tx, i, SCRIPT_VERIFY_P2SH | SCRIPT_VERIFY_WITNESS, false, &txdata);        vChecks.push_back(CScriptCheck());        check.swap(vChecks.back());        control.Add(vChecks);    }    bool controlCheck = control.Wait();    assert(controlCheck);    threadGroup.interrupt_all();    threadGroup.join_all();}SignatureData CombineSignatures(const CMutableTransaction& input1, const CMutableTransaction& input2, const CTransactionRef tx){    SignatureData sigdata;    sigdata = DataFromTransaction(input1, 0, tx->vout[0]);    sigdata.MergeSignatureData(DataFromTransaction(input2, 0, tx->vout[0]));    ProduceSignature(DUMMY_SIGNING_PROVIDER, MutableTransactionSignatureCreator(&input1, 0, tx->vout[0].nValue), tx->vout[0].scriptPubKey, sigdata);    return sigdata;}BOOST_AUTO_TEST_CASE(test_witness){    FillableSigningProvider keystore, keystore2;    CKey key1, key2, key3, key1L, key2L;    CPubKey pubkey1, pubkey2, pubkey3, pubkey1L, pubkey2L;    key1.MakeNewKey(true);    key2.MakeNewKey(true);    key3.MakeNewKey(true);    key1L.MakeNewKey(false);    key2L.MakeNewKey(false);    pubkey1 = key1.GetPubKey();    pubkey2 = key2.GetPubKey();    pubkey3 = key3.GetPubKey();    pubkey1L = key1L.GetPubKey();    pubkey2L = key2L.GetPubKey();    BOOST_CHECK(keystore.AddKeyPubKey(key1, pubkey1));    BOOST_CHECK(keystore.AddKeyPubKey(key2, pubkey2));    BOOST_CHECK(keystore.AddKeyPubKey(key1L, pubkey1L));    BOOST_CHECK(keystore.AddKeyPubKey(key2L, pubkey2L));    CScript scriptPubkey1, scriptPubkey2, scriptPubkey1L, scriptPubkey2L, scriptMulti;    scriptPubkey1 << ToByteVector(pubkey1) << OP_CHECKSIG;    scriptPubkey2 << ToByteVector(pubkey2) << OP_CHECKSIG;    scriptPubkey1L << ToByteVector(pubkey1L) << OP_CHECKSIG;    scriptPubkey2L << ToByteVector(pubkey2L) << OP_CHECKSIG;    std::vector<CPubKey> oneandthree;    oneandthree.push_back(pubkey1);    oneandthree.push_back(pubkey3);    scriptMulti = GetScriptForMultisig(2, oneandthree);    BOOST_CHECK(keystore.AddCScript(scriptPubkey1));    BOOST_CHECK(keystore.AddCScript(scriptPubkey2));    BOOST_CHECK(keystore.AddCScript(scriptPubkey1L));    BOOST_CHECK(keystore.AddCScript(scriptPubkey2L));    BOOST_CHECK(keystore.AddCScript(scriptMulti));    CScript destination_script_1, destination_script_2, destination_script_1L, destination_script_2L, destination_script_multi;    destination_script_1 = GetScriptForDestination(WitnessV0KeyHash(pubkey1));    destination_script_2 = GetScriptForDestination(WitnessV0KeyHash(pubkey2));    destination_script_1L = GetScriptForDestination(WitnessV0KeyHash(pubkey1L));    destination_script_2L = GetScriptForDestination(WitnessV0KeyHash(pubkey2L));    destination_script_multi = GetScriptForDestination(WitnessV0ScriptHash(scriptMulti));    BOOST_CHECK(keystore.AddCScript(destination_script_1));    BOOST_CHECK(keystore.AddCScript(destination_script_2));    BOOST_CHECK(keystore.AddCScript(destination_script_1L));    BOOST_CHECK(keystore.AddCScript(destination_script_2L));    BOOST_CHECK(keystore.AddCScript(destination_script_multi));    BOOST_CHECK(keystore2.AddCScript(scriptMulti));    BOOST_CHECK(keystore2.AddCScript(destination_script_multi));    BOOST_CHECK(keystore2.AddKeyPubKey(key3, pubkey3));    CTransactionRef output1, output2;    CMutableTransaction input1, input2;    // Normal pay-to-compressed-pubkey.    CreateCreditAndSpend(keystore, scriptPubkey1, output1, input1);    CreateCreditAndSpend(keystore, scriptPubkey2, output2, input2);    CheckWithFlag(output1, input1, 0, true);    CheckWithFlag(output1, input1, SCRIPT_VERIFY_P2SH, true);    CheckWithFlag(output1, input1, SCRIPT_VERIFY_WITNESS | SCRIPT_VERIFY_P2SH, true);    CheckWithFlag(output1, input1, STANDARD_SCRIPT_VERIFY_FLAGS, true);    CheckWithFlag(output1, input2, 0, false);    CheckWithFlag(output1, input2, SCRIPT_VERIFY_P2SH, false);    CheckWithFlag(output1, input2, SCRIPT_VERIFY_WITNESS | SCRIPT_VERIFY_P2SH, false);    CheckWithFlag(output1, input2, STANDARD_SCRIPT_VERIFY_FLAGS, false);    // P2SH pay-to-compressed-pubkey.    CreateCreditAndSpend(keystore, GetScriptForDestination(ScriptHash(scriptPubkey1)), output1, input1);    CreateCreditAndSpend(keystore, GetScriptForDestination(ScriptHash(scriptPubkey2)), output2, input2);    ReplaceRedeemScript(input2.vin[0].scriptSig, scriptPubkey1);    CheckWithFlag(output1, input1, 0, true);    CheckWithFlag(output1, input1, SCRIPT_VERIFY_P2SH, true);    CheckWithFlag(output1, input1, SCRIPT_VERIFY_WITNESS | SCRIPT_VERIFY_P2SH, true);    CheckWithFlag(output1, input1, STANDARD_SCRIPT_VERIFY_FLAGS, true);    CheckWithFlag(output1, input2, 0, true);    CheckWithFlag(output1, input2, SCRIPT_VERIFY_P2SH, false);    CheckWithFlag(output1, input2, SCRIPT_VERIFY_WITNESS | SCRIPT_VERIFY_P2SH, false);    CheckWithFlag(output1, input2, STANDARD_SCRIPT_VERIFY_FLAGS, false);    // Witness pay-to-compressed-pubkey (v0).    CreateCreditAndSpend(keystore, destination_script_1, output1, input1);    CreateCreditAndSpend(keystore, destination_script_2, output2, input2);    CheckWithFlag(output1, input1, 0, true);    CheckWithFlag(output1, input1, SCRIPT_VERIFY_P2SH, true);    CheckWithFlag(output1, input1, SCRIPT_VERIFY_WITNESS | SCRIPT_VERIFY_P2SH, true);    CheckWithFlag(output1, input1, STANDARD_SCRIPT_VERIFY_FLAGS, true);    CheckWithFlag(output1, input2, 0, true);    CheckWithFlag(output1, input2, SCRIPT_VERIFY_P2SH, true);    CheckWithFlag(output1, input2, SCRIPT_VERIFY_WITNESS | SCRIPT_VERIFY_P2SH, false);    CheckWithFlag(output1, input2, STANDARD_SCRIPT_VERIFY_FLAGS, false);    // P2SH witness pay-to-compressed-pubkey (v0).    CreateCreditAndSpend(keystore, GetScriptForDestination(ScriptHash(destination_script_1)), output1, input1);    CreateCreditAndSpend(keystore, GetScriptForDestination(ScriptHash(destination_script_2)), output2, input2);    ReplaceRedeemScript(input2.vin[0].scriptSig, destination_script_1);    CheckWithFlag(output1, input1, 0, true);    CheckWithFlag(output1, input1, SCRIPT_VERIFY_P2SH, true);    CheckWithFlag(output1, input1, SCRIPT_VERIFY_WITNESS | SCRIPT_VERIFY_P2SH, true);    CheckWithFlag(output1, input1, STANDARD_SCRIPT_VERIFY_FLAGS, true);    CheckWithFlag(output1, input2, 0, true);    CheckWithFlag(output1, input2, SCRIPT_VERIFY_P2SH, true);    CheckWithFlag(output1, input2, SCRIPT_VERIFY_WITNESS | SCRIPT_VERIFY_P2SH, false);    CheckWithFlag(output1, input2, STANDARD_SCRIPT_VERIFY_FLAGS, false);    // Normal pay-to-uncompressed-pubkey.    CreateCreditAndSpend(keystore, scriptPubkey1L, output1, input1);    CreateCreditAndSpend(keystore, scriptPubkey2L, output2, input2);    CheckWithFlag(output1, input1, 0, true);    CheckWithFlag(output1, input1, SCRIPT_VERIFY_P2SH, true);    CheckWithFlag(output1, input1, SCRIPT_VERIFY_WITNESS | SCRIPT_VERIFY_P2SH, true);    CheckWithFlag(output1, input1, STANDARD_SCRIPT_VERIFY_FLAGS, true);    CheckWithFlag(output1, input2, 0, false);    CheckWithFlag(output1, input2, SCRIPT_VERIFY_P2SH, false);    CheckWithFlag(output1, input2, SCRIPT_VERIFY_WITNESS | SCRIPT_VERIFY_P2SH, false);    CheckWithFlag(output1, input2, STANDARD_SCRIPT_VERIFY_FLAGS, false);    // P2SH pay-to-uncompressed-pubkey.    CreateCreditAndSpend(keystore, GetScriptForDestination(ScriptHash(scriptPubkey1L)), output1, input1);    CreateCreditAndSpend(keystore, GetScriptForDestination(ScriptHash(scriptPubkey2L)), output2, input2);    ReplaceRedeemScript(input2.vin[0].scriptSig, scriptPubkey1L);    CheckWithFlag(output1, input1, 0, true);    CheckWithFlag(output1, input1, SCRIPT_VERIFY_P2SH, true);    CheckWithFlag(output1, input1, SCRIPT_VERIFY_WITNESS | SCRIPT_VERIFY_P2SH, true);    CheckWithFlag(output1, input1, STANDARD_SCRIPT_VERIFY_FLAGS, true);    CheckWithFlag(output1, input2, 0, true);    CheckWithFlag(output1, input2, SCRIPT_VERIFY_P2SH, false);    CheckWithFlag(output1, input2, SCRIPT_VERIFY_WITNESS | SCRIPT_VERIFY_P2SH, false);    CheckWithFlag(output1, input2, STANDARD_SCRIPT_VERIFY_FLAGS, false);    // Signing disabled for witness pay-to-uncompressed-pubkey (v1).    CreateCreditAndSpend(keystore, destination_script_1L, output1, input1, false);    CreateCreditAndSpend(keystore, destination_script_2L, output2, input2, false);    // Signing disabled for P2SH witness pay-to-uncompressed-pubkey (v1).    CreateCreditAndSpend(keystore, GetScriptForDestination(ScriptHash(destination_script_1L)), output1, input1, false);    CreateCreditAndSpend(keystore, GetScriptForDestination(ScriptHash(destination_script_2L)), output2, input2, false);    // Normal 2-of-2 multisig    CreateCreditAndSpend(keystore, scriptMulti, output1, input1, false);    CheckWithFlag(output1, input1, 0, false);    CreateCreditAndSpend(keystore2, scriptMulti, output2, input2, false);    CheckWithFlag(output2, input2, 0, false);    BOOST_CHECK(*output1 == *output2);    UpdateInput(input1.vin[0], CombineSignatures(input1, input2, output1));    CheckWithFlag(output1, input1, STANDARD_SCRIPT_VERIFY_FLAGS, true);    // P2SH 2-of-2 multisig    CreateCreditAndSpend(keystore, GetScriptForDestination(ScriptHash(scriptMulti)), output1, input1, false);    CheckWithFlag(output1, input1, 0, true);    CheckWithFlag(output1, input1, SCRIPT_VERIFY_P2SH, false);    CreateCreditAndSpend(keystore2, GetScriptForDestination(ScriptHash(scriptMulti)), output2, input2, false);    CheckWithFlag(output2, input2, 0, true);    CheckWithFlag(output2, input2, SCRIPT_VERIFY_P2SH, false);    BOOST_CHECK(*output1 == *output2);    UpdateInput(input1.vin[0], CombineSignatures(input1, input2, output1));    CheckWithFlag(output1, input1, SCRIPT_VERIFY_P2SH, true);    CheckWithFlag(output1, input1, STANDARD_SCRIPT_VERIFY_FLAGS, true);    // Witness 2-of-2 multisig    CreateCreditAndSpend(keystore, destination_script_multi, output1, input1, false);    CheckWithFlag(output1, input1, 0, true);    CheckWithFlag(output1, input1, SCRIPT_VERIFY_P2SH | SCRIPT_VERIFY_WITNESS, false);    CreateCreditAndSpend(keystore2, destination_script_multi, output2, input2, false);    CheckWithFlag(output2, input2, 0, true);    CheckWithFlag(output2, input2, SCRIPT_VERIFY_P2SH | SCRIPT_VERIFY_WITNESS, false);    BOOST_CHECK(*output1 == *output2);    UpdateInput(input1.vin[0], CombineSignatures(input1, input2, output1));    CheckWithFlag(output1, input1, SCRIPT_VERIFY_P2SH | SCRIPT_VERIFY_WITNESS, true);    CheckWithFlag(output1, input1, STANDARD_SCRIPT_VERIFY_FLAGS, true);    // P2SH witness 2-of-2 multisig    CreateCreditAndSpend(keystore, GetScriptForDestination(ScriptHash(destination_script_multi)), output1, input1, false);    CheckWithFlag(output1, input1, SCRIPT_VERIFY_P2SH, true);    CheckWithFlag(output1, input1, SCRIPT_VERIFY_P2SH | SCRIPT_VERIFY_WITNESS, false);    CreateCreditAndSpend(keystore2, GetScriptForDestination(ScriptHash(destination_script_multi)), output2, input2, false);    CheckWithFlag(output2, input2, SCRIPT_VERIFY_P2SH, true);    CheckWithFlag(output2, input2, SCRIPT_VERIFY_P2SH | SCRIPT_VERIFY_WITNESS, false);    BOOST_CHECK(*output1 == *output2);    UpdateInput(input1.vin[0], CombineSignatures(input1, input2, output1));    CheckWithFlag(output1, input1, SCRIPT_VERIFY_P2SH | SCRIPT_VERIFY_WITNESS, true);    CheckWithFlag(output1, input1, STANDARD_SCRIPT_VERIFY_FLAGS, true);}BOOST_AUTO_TEST_CASE(test_IsStandard){    LOCK(cs_main);    FillableSigningProvider keystore;    CCoinsView coinsDummy;    CCoinsViewCache coins(&coinsDummy);    std::vector<CMutableTransaction> dummyTransactions =        SetupDummyInputs(keystore, coins, {11*CENT, 50*CENT, 21*CENT, 22*CENT});    CMutableTransaction t;    t.vin.resize(1);    t.vin[0].prevout.hash = dummyTransactions[0].GetHash();    t.vin[0].prevout.n = 1;    t.vin[0].scriptSig << std::vector<unsigned char>(65, 0);    t.vout.resize(1);    t.vout[0].nValue = 90*CENT;    CKey key;    key.MakeNewKey(true);    t.vout[0].scriptPubKey = GetScriptForDestination(PKHash(key.GetPubKey()));    std::string reason;    BOOST_CHECK(IsStandardTx(CTransaction(t), reason));    // Check dust with default relay fee:    CAmount nDustThreshold = 182 * dustRelayFee.GetFeePerK()/1000;    BOOST_CHECK_EQUAL(nDustThreshold, 5460);    // dust:    t.vout[0].nValue = nDustThreshold - 1;    reason.clear();    BOOST_CHECK(!IsStandardTx(CTransaction(t), reason));    BOOST_CHECK_EQUAL(reason, "dust");    // not dust:    t.vout[0].nValue = nDustThreshold;    BOOST_CHECK(IsStandardTx(CTransaction(t), reason));    // Disallowed nVersion    t.nVersion = -1;    reason.clear();    BOOST_CHECK(!IsStandardTx(CTransaction(t), reason));    BOOST_CHECK_EQUAL(reason, "version");    t.nVersion = 0;    reason.clear();    BOOST_CHECK(!IsStandardTx(CTransaction(t), reason));    BOOST_CHECK_EQUAL(reason, "version");    t.nVersion = 3;    reason.clear();    BOOST_CHECK(!IsStandardTx(CTransaction(t), reason));    BOOST_CHECK_EQUAL(reason, "version");    // Allowed nVersion    t.nVersion = 1;    BOOST_CHECK(IsStandardTx(CTransaction(t), reason));    t.nVersion = 2;    BOOST_CHECK(IsStandardTx(CTransaction(t), reason));    // Check dust with odd relay fee to verify rounding:    // nDustThreshold = 182 * 3702 / 1000    dustRelayFee = CFeeRate(3702);    // dust:    t.vout[0].nValue = 673 - 1;    reason.clear();    BOOST_CHECK(!IsStandardTx(CTransaction(t), reason));    BOOST_CHECK_EQUAL(reason, "dust");    // not dust:    t.vout[0].nValue = 673;    BOOST_CHECK(IsStandardTx(CTransaction(t), reason));    dustRelayFee = CFeeRate(DUST_RELAY_TX_FEE);    t.vout[0].scriptPubKey = CScript() << OP_1;    reason.clear();    BOOST_CHECK(!IsStandardTx(CTransaction(t), reason));    BOOST_CHECK_EQUAL(reason, "scriptpubkey");    // MAX_OP_RETURN_RELAY-byte TxoutType::NULL_DATA (standard)    t.vout[0].scriptPubKey = CScript() << OP_RETURN << ParseHex("04678afdb0fe5548271967f1a67130b7105cd6a828e03909a67962e0ea1f61deb649f6bc3f4cef3804678afdb0fe5548271967f1a67130b7105cd6a828e03909a67962e0ea1f61deb649f6bc3f4cef38");    BOOST_CHECK_EQUAL(MAX_OP_RETURN_RELAY, t.vout[0].scriptPubKey.size());    BOOST_CHECK(IsStandardTx(CTransaction(t), reason));    // MAX_OP_RETURN_RELAY+1-byte TxoutType::NULL_DATA (non-standard)    t.vout[0].scriptPubKey = CScript() << OP_RETURN << ParseHex("04678afdb0fe5548271967f1a67130b7105cd6a828e03909a67962e0ea1f61deb649f6bc3f4cef3804678afdb0fe5548271967f1a67130b7105cd6a828e03909a67962e0ea1f61deb649f6bc3f4cef3800");    BOOST_CHECK_EQUAL(MAX_OP_RETURN_RELAY + 1, t.vout[0].scriptPubKey.size());    reason.clear();    BOOST_CHECK(!IsStandardTx(CTransaction(t), reason));    BOOST_CHECK_EQUAL(reason, "scriptpubkey");    // Data payload can be encoded in any way...    t.vout[0].scriptPubKey = CScript() << OP_RETURN << ParseHex("");    BOOST_CHECK(IsStandardTx(CTransaction(t), reason));    t.vout[0].scriptPubKey = CScript() << OP_RETURN << ParseHex("00") << ParseHex("01");    BOOST_CHECK(IsStandardTx(CTransaction(t), reason));    // OP_RESERVED *is* considered to be a PUSHDATA type opcode by IsPushOnly()!    t.vout[0].scriptPubKey = CScript() << OP_RETURN << OP_RESERVED << -1 << 0 << ParseHex("01") << 2 << 3 << 4 << 5 << 6 << 7 << 8 << 9 << 10 << 11 << 12 << 13 << 14 << 15 << 16;    BOOST_CHECK(IsStandardTx(CTransaction(t), reason));    t.vout[0].scriptPubKey = CScript() << OP_RETURN << 0 << ParseHex("01") << 2 << ParseHex("ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff");    BOOST_CHECK(IsStandardTx(CTransaction(t), reason));    // ...so long as it only contains PUSHDATA's    t.vout[0].scriptPubKey = CScript() << OP_RETURN << OP_RETURN;    reason.clear();    BOOST_CHECK(!IsStandardTx(CTransaction(t), reason));    BOOST_CHECK_EQUAL(reason, "scriptpubkey");    // TxoutType::NULL_DATA w/o PUSHDATA    t.vout.resize(1);    t.vout[0].scriptPubKey = CScript() << OP_RETURN;    BOOST_CHECK(IsStandardTx(CTransaction(t), reason));    // Only one TxoutType::NULL_DATA permitted in all cases    t.vout.resize(2);    t.vout[0].scriptPubKey = CScript() << OP_RETURN << ParseHex("04678afdb0fe5548271967f1a67130b7105cd6a828e03909a67962e0ea1f61deb649f6bc3f4cef38");    t.vout[1].scriptPubKey = CScript() << OP_RETURN << ParseHex("04678afdb0fe5548271967f1a67130b7105cd6a828e03909a67962e0ea1f61deb649f6bc3f4cef38");    reason.clear();    BOOST_CHECK(!IsStandardTx(CTransaction(t), reason));    BOOST_CHECK_EQUAL(reason, "multi-op-return");    t.vout[0].scriptPubKey = CScript() << OP_RETURN << ParseHex("04678afdb0fe5548271967f1a67130b7105cd6a828e03909a67962e0ea1f61deb649f6bc3f4cef38");    t.vout[1].scriptPubKey = CScript() << OP_RETURN;    reason.clear();    BOOST_CHECK(!IsStandardTx(CTransaction(t), reason));    BOOST_CHECK_EQUAL(reason, "multi-op-return");    t.vout[0].scriptPubKey = CScript() << OP_RETURN;    t.vout[1].scriptPubKey = CScript() << OP_RETURN;    reason.clear();    BOOST_CHECK(!IsStandardTx(CTransaction(t), reason));    BOOST_CHECK_EQUAL(reason, "multi-op-return");    // Check large scriptSig (non-standard if size is >1650 bytes)    t.vout.resize(1);    t.vout[0].nValue = MAX_MONEY;    t.vout[0].scriptPubKey = GetScriptForDestination(PKHash(key.GetPubKey()));    // OP_PUSHDATA2 with len (3 bytes) + data (1647 bytes) = 1650 bytes    t.vin[0].scriptSig = CScript() << std::vector<unsigned char>(1647, 0); // 1650    BOOST_CHECK(IsStandardTx(CTransaction(t), reason));    t.vin[0].scriptSig = CScript() << std::vector<unsigned char>(1648, 0); // 1651    reason.clear();    BOOST_CHECK(!IsStandardTx(CTransaction(t), reason));    BOOST_CHECK_EQUAL(reason, "scriptsig-size");    // Check scriptSig format (non-standard if there are any other ops than just PUSHs)    t.vin[0].scriptSig = CScript()        << OP_TRUE << OP_0 << OP_1NEGATE << OP_16 // OP_n (single byte pushes: n = 1, 0, -1, 16)        << std::vector<unsigned char>(75, 0)      // OP_PUSHx [...x bytes...]        << std::vector<unsigned char>(235, 0)     // OP_PUSHDATA1 x [...x bytes...]        << std::vector<unsigned char>(1234, 0)    // OP_PUSHDATA2 x [...x bytes...]        << OP_9;    BOOST_CHECK(IsStandardTx(CTransaction(t), reason));    const std::vector<unsigned char> non_push_ops = { // arbitrary set of non-push operations        OP_NOP, OP_VERIFY, OP_IF, OP_ROT, OP_3DUP, OP_SIZE, OP_EQUAL, OP_ADD, OP_SUB,        OP_HASH256, OP_CODESEPARATOR, OP_CHECKSIG, OP_CHECKLOCKTIMEVERIFY };    CScript::const_iterator pc = t.vin[0].scriptSig.begin();    while (pc < t.vin[0].scriptSig.end()) {        opcodetype opcode;        CScript::const_iterator prev_pc = pc;        t.vin[0].scriptSig.GetOp(pc, opcode); // advance to next op        // for the sake of simplicity, we only replace single-byte push operations        if (opcode >= 1 && opcode <= OP_PUSHDATA4)            continue;        int index = prev_pc - t.vin[0].scriptSig.begin();        unsigned char orig_op = *prev_pc; // save op        // replace current push-op with each non-push-op        for (auto op : non_push_ops) {            t.vin[0].scriptSig[index] = op;            BOOST_CHECK(!IsStandardTx(CTransaction(t), reason));            BOOST_CHECK_EQUAL(reason, "scriptsig-not-pushonly");        }        t.vin[0].scriptSig[index] = orig_op; // restore op        BOOST_CHECK(IsStandardTx(CTransaction(t), reason));    }    // Check tx-size (non-standard if transaction weight is > MAX_STANDARD_TX_WEIGHT)    t.vin.clear();    t.vin.resize(2438); // size per input (empty scriptSig): 41 bytes    t.vout[0].scriptPubKey = CScript() << OP_RETURN << std::vector<unsigned char>(19, 0); // output size: 30 bytes    // tx header:                12 bytes =>     48 vbytes    // 2438 inputs: 2438*41 = 99958 bytes => 399832 vbytes    //    1 output:              30 bytes =>    120 vbytes    //                      ===============================    //                                total: 400000 vbytes    BOOST_CHECK_EQUAL(GetTransactionWeight(CTransaction(t)), 400000);    BOOST_CHECK(IsStandardTx(CTransaction(t), reason));    // increase output size by one byte, so we end up with 400004 vbytes    t.vout[0].scriptPubKey = CScript() << OP_RETURN << std::vector<unsigned char>(20, 0); // output size: 31 bytes    BOOST_CHECK_EQUAL(GetTransactionWeight(CTransaction(t)), 400004);    reason.clear();    BOOST_CHECK(!IsStandardTx(CTransaction(t), reason));    BOOST_CHECK_EQUAL(reason, "tx-size");    // Check bare multisig (standard if policy flag fIsBareMultisigStd is set)    fIsBareMultisigStd = true;    t.vout[0].scriptPubKey = GetScriptForMultisig(1, {key.GetPubKey()}); // simple 1-of-1    t.vin.resize(1);    t.vin[0].scriptSig = CScript() << std::vector<unsigned char>(65, 0);    BOOST_CHECK(IsStandardTx(CTransaction(t), reason));    fIsBareMultisigStd = false;    reason.clear();    BOOST_CHECK(!IsStandardTx(CTransaction(t), reason));    BOOST_CHECK_EQUAL(reason, "bare-multisig");    fIsBareMultisigStd = DEFAULT_PERMIT_BAREMULTISIG;}BOOST_AUTO_TEST_SUITE_END()