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Stable release v32.1bitcoin/bitcoin · f0de87f04062 ↗3,020 source files · 47.5 MB stored on the server440 file guides

Release published 2026-10-28 · Snapshot fetched 2026-11-01. Latest stable release at fetch time; development branches and Git history are excluded. Only the selected code window and visible folders load here.

bitcoin / bitcoinstable

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▤ arith_uint256.hGuide

▤ bitcoin-chainstate.cpp

▤ bitcoin-cli-res.rc

▤ bitcoin-cli.cppGuide

▤ bitcoin-res.rc

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▤ bitcoin-tx.cpp

▤ bitcoin-util-res.rc

▤ bitcoin-util.cpp

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▤ blockencodings.cppGuide

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▤ chainparamsbase.hGuide

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bitcoin / src / bitcoin-tx.cpp

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31,523 bytes · SHA-256 6ab60ab98b44892b… · View upstream ↗

501        }
502        scriptPubKey = GetScriptForDestination(ScriptHash(scriptPubKey));
503    }
504
505    // construct TxOut, append to transaction output list
506    CTxOut txout(value, scriptPubKey);
507    tx.vout.push_back(txout);
508}
509
510static void MutateTxDelInput(CMutableTransaction& tx, const std::string& strInIdx)
511{
512    const auto idx{ToIntegral<uint32_t>(strInIdx)};
513    if (!idx || idx >= tx.vin.size()) {
514        throw std::runtime_error("Invalid TX input index '" + strInIdx + "'");
515    }
516    tx.vin.erase(tx.vin.begin() + *idx);
517}
518
519static void MutateTxDelOutput(CMutableTransaction& tx, const std::string& strOutIdx)
520{
521    const auto idx{ToIntegral<uint32_t>(strOutIdx)};
522    if (!idx || idx >= tx.vout.size()) {
523        throw std::runtime_error("Invalid TX output index '" + strOutIdx + "'");
524    }
525    tx.vout.erase(tx.vout.begin() + *idx);
526}
527
528static const unsigned int N_SIGHASH_OPTS = 7;
529static const struct {
530    const char *flagStr;
531    int flags;
532} sighashOptions[N_SIGHASH_OPTS] = {
533    {"DEFAULT", SIGHASH_DEFAULT},
534    {"ALL", SIGHASH_ALL},
535    {"NONE", SIGHASH_NONE},
536    {"SINGLE", SIGHASH_SINGLE},
537    {"ALL|ANYONECANPAY", SIGHASH_ALL|SIGHASH_ANYONECANPAY},
538    {"NONE|ANYONECANPAY", SIGHASH_NONE|SIGHASH_ANYONECANPAY},
539    {"SINGLE|ANYONECANPAY", SIGHASH_SINGLE|SIGHASH_ANYONECANPAY},
540};
541
542static bool findSighashFlags(int& flags, const std::string& flagStr)
543{
544    flags = 0;
545
546    for (unsigned int i = 0; i < N_SIGHASH_OPTS; i++) {
547        if (flagStr == sighashOptions[i].flagStr) {
548            flags = sighashOptions[i].flags;
549            return true;
550        }
551    }
552
553    return false;
554}
555
556static CAmount AmountFromValue(const UniValue& value)
557{
558    if (!value.isNum() && !value.isStr())
559        throw std::runtime_error("Amount is not a number or string");
560    int64_t amount;
561    if (!ParseFixedPoint(value.getValStr(), 8, &amount))
562        throw std::runtime_error("Invalid amount");
563    if (!MoneyRange(amount))
564        throw std::runtime_error("Amount out of range");
565    return amount;
566}
567
568static std::vector<unsigned char> ParseHexUV(const UniValue& v, const std::string& strName)
569{
570    std::string strHex;
571    if (v.isStr())
572        strHex = v.getValStr();
573    if (!IsHex(strHex))
574        throw std::runtime_error(strName + " must be hexadecimal string (not '" + strHex + "')");
575    return ParseHex(strHex);
576}
577
578static void MutateTxSign(CMutableTransaction& tx, const std::string& flagStr)
579{
580    int nHashType = SIGHASH_ALL;
581
582    if (flagStr.size() > 0)
583        if (!findSighashFlags(nHashType, flagStr))
584            throw std::runtime_error("unknown sighash flag/sign option");
585
586    // mergedTx will end up with all the signatures; it
587    // starts as a clone of the raw tx:
588    CMutableTransaction mergedTx{tx};
589    const CMutableTransaction txv{tx};
590    CCoinsViewCache view{&CoinsViewEmpty::Get()};
591
592    if (!registers.contains("privatekeys"))
593        throw std::runtime_error("privatekeys register variable must be set.");
594    FillableSigningProvider tempKeystore;
595    UniValue keysObj = registers["privatekeys"];
596
597    for (unsigned int kidx = 0; kidx < keysObj.size(); kidx++) {
598        if (!keysObj[kidx].isStr())
599            throw std::runtime_error("privatekey not a std::string");
600        CKey key = DecodeSecret(keysObj[kidx].getValStr());
601        if (!key.IsValid()) {
602            throw std::runtime_error("privatekey not valid");
603        }
604        tempKeystore.AddKey(key);
605    }
606
607    // Add previous txouts given in the RPC call:
608    if (!registers.contains("prevtxs"))
609        throw std::runtime_error("prevtxs register variable must be set.");
610    UniValue prevtxsObj = registers["prevtxs"];
611    {
612        for (unsigned int previdx = 0; previdx < prevtxsObj.size(); previdx++) {
613            const UniValue& prevOut = prevtxsObj[previdx];
614            if (!prevOut.isObject())
615                throw std::runtime_error("expected prevtxs internal object");
616
617            std::map<std::string, UniValue::VType> types = {
618                {"txid", UniValue::VSTR},
619                {"vout", UniValue::VNUM},
620                {"scriptPubKey", UniValue::VSTR},
621            };
622            if (!prevOut.checkObject(types))
623                throw std::runtime_error("prevtxs internal object typecheck fail");
624
625            auto txid{Txid::FromHex(prevOut["txid"].get_str())};
626            if (!txid) {
627                throw std::runtime_error("txid must be hexadecimal string (not '" + prevOut["txid"].get_str() + "')");
628            }
629
630            const int nOut = prevOut["vout"].getInt<int>();
631            if (nOut < 0)
632                throw std::runtime_error("vout cannot be negative");
633
634            COutPoint out(*txid, nOut);
635            std::vector<unsigned char> pkData(ParseHexUV(prevOut["scriptPubKey"], "scriptPubKey"));
636            CScript scriptPubKey(pkData.begin(), pkData.end());
637
638            {
639                const Coin& coin = view.AccessCoin(out);
640                if (!coin.IsSpent() && coin.out.scriptPubKey != scriptPubKey) {
641                    std::string err("Previous output scriptPubKey mismatch:\n");
642                    err = err + ScriptToAsmStr(coin.out.scriptPubKey) + "\nvs:\n"+
643                        ScriptToAsmStr(scriptPubKey);
644                    throw std::runtime_error(err);
645                }
646                Coin newcoin;
647                newcoin.out.scriptPubKey = scriptPubKey;
648                newcoin.out.nValue = MAX_MONEY;
649                if (prevOut.exists("amount")) {
650                    newcoin.out.nValue = AmountFromValue(prevOut["amount"]);
651                }
652                newcoin.nHeight = 1;
653                view.AddCoin(out, std::move(newcoin), true);
654            }
655
656            // if redeemScript given and private keys given,
657            // add redeemScript to the tempKeystore so it can be signed:
658            if ((scriptPubKey.IsPayToScriptHash() || scriptPubKey.IsPayToWitnessScriptHash()) &&
659                prevOut.exists("redeemScript")) {
660                UniValue v = prevOut["redeemScript"];
661                std::vector<unsigned char> rsData(ParseHexUV(v, "redeemScript"));
662                CScript redeemScript(rsData.begin(), rsData.end());
663                tempKeystore.AddCScript(redeemScript);
664            }
665        }
666    }
667
668    const FillableSigningProvider& keystore = tempKeystore;
669
670    bool fHashSingle = ((nHashType & ~SIGHASH_ANYONECANPAY) == SIGHASH_SINGLE);
671
672    // Sign what we can:
673    for (unsigned int i = 0; i < mergedTx.vin.size(); i++) {
674        CTxIn& txin = mergedTx.vin[i];
675        const Coin& coin = view.AccessCoin(txin.prevout);
676        if (coin.IsSpent()) {
677            continue;
678        }
679        const CScript& prevPubKey = coin.out.scriptPubKey;
680        const CAmount& amount = coin.out.nValue;
681
682        SignatureData sigdata = DataFromTransaction(mergedTx, i, coin.out);
683        // Only sign SIGHASH_SINGLE if there's a corresponding output:
684        if (!fHashSingle || (i < mergedTx.vout.size()))
685            ProduceSignature(keystore, MutableTransactionSignatureCreator(mergedTx, i, amount, {.sighash_type = nHashType}), prevPubKey, sigdata);
686
687        if (amount == MAX_MONEY && !sigdata.scriptWitness.IsNull()) {
688            throw std::runtime_error(strprintf("Missing amount for CTxOut with scriptPubKey=%s", HexStr(prevPubKey)));
689        }
690
691        UpdateInput(txin, sigdata);
692    }
693
694    tx = mergedTx;
695}
696
697static void MutateTx(CMutableTransaction& tx, const std::string& command,
698                     const std::string& commandVal)
699{
700    std::unique_ptr<ECC_Context> ecc;
701
702    if (command == "nversion")
703        MutateTxVersion(tx, commandVal);
704    else if (command == "locktime")
705        MutateTxLocktime(tx, commandVal);
706    else if (command == "replaceable") {
707        MutateTxRBFOptIn(tx, commandVal);
708    }
709
710    else if (command == "delin")
711        MutateTxDelInput(tx, commandVal);
712    else if (command == "in")
713        MutateTxAddInput(tx, commandVal);
714
715    else if (command == "delout")
716        MutateTxDelOutput(tx, commandVal);
717    else if (command == "outaddr")
718        MutateTxAddOutAddr(tx, commandVal);
719    else if (command == "outpubkey") {
720        ecc.reset(new ECC_Context());
721        MutateTxAddOutPubKey(tx, commandVal);
722    } else if (command == "outmultisig") {
723        ecc.reset(new ECC_Context());
724        MutateTxAddOutMultiSig(tx, commandVal);
725    } else if (command == "outscript")
726        MutateTxAddOutScript(tx, commandVal);
727    else if (command == "outdata")
728        MutateTxAddOutData(tx, commandVal);
729
730    else if (command == "sign") {
731        ecc.reset(new ECC_Context());
732        MutateTxSign(tx, commandVal);
733    }
734
735    else if (command == "load")
736        RegisterLoad(commandVal);
737
738    else if (command == "set")
739        RegisterSet(commandVal);
740
741    else
742        throw std::runtime_error("unknown command");
743}
744
745static void OutputTxJSON(const CTransaction& tx)
746{
747    UniValue entry(UniValue::VOBJ);
748    TxToUniv(tx, /*block_hash=*/uint256(), entry);
749
750    std::string jsonOutput = entry.write(4);

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cmake/bitcoin-build-config.h.in src/consensus/amount.h src/consensus/consensus.h src/primitives/block.h src/primitives/transaction.h src/crypto/sha256.h src/util/moneystr.h src/clientversion.h src/uint256.h src/script/script.h src/policy/policy.h CMakeLists.txt README.md COPYING src/consensus/tx_check.cpp src/consensus/tx_verify.cpp src/consensus/merkle.cpp src/pow.cpp src/validation.cpp src/script/interpreter.cpp src/script/solver.cpp src/script/sign.cpp src/key_io.cpp src/net.cpp src/net_processing.cpp src/netaddress.cpp src/protocol.h src/wallet/wallet.cpp src/wallet/spend.cpp

← Previous 250 linesCode page 3Next 250 lines →

src/wallet/receive.cpp

src/wallet/coinselection.cpp

src/consensus/validation.h

src/primitives/transaction.cpp

src/script/descriptor.cpp

src/bitcoin-cli.cpp

src/rpc/blockchain.cpp

src/rpc/rawtransaction.cpp

src/init.cpp

src/crypto/sha256.cpp

src/consensus/merkle.h

src/consensus/tx_check.h

src/consensus/tx_verify.h

src/policy/feerate.h

src/policy/feerate.cpp

src/primitives/transaction_identifier.h

src/chainparamsbase.h

src/chainparamsbase.cpp

src/util/moneystr.cpp

src/crypto/ripemd160.h

src/crypto/sha1.h

src/crypto/sha512.h

src/crypto/hmac_sha256.h

src/crypto/hmac_sha512.h

src/crypto/hmac_sha256.cpp

src/crypto/hmac_sha512.cpp

src/crypto/hkdf_sha256_32.h

src/crypto/hkdf_sha256_32.cpp

src/support/cleanse.h

src/support/cleanse.cpp

src/crypto/siphash.cpp

src/crypto/muhash.h

src/crypto/chacha20.h

src/crypto/poly1305.h

src/crypto/chacha20poly1305.h

src/crypto/chacha20poly1305.cpp

src/util/chaintype.cpp

src/util/obfuscation.h

src/util/byte_units.h

src/util/overflow.h

src/blockencodings.cpp

src/net_permissions.cpp

src/policy/packages.cpp

src/policy/rbf.cpp

src/policy/truc_policy.cpp

src/policy/ephemeral_policy.cpp

src/policy/settings.cpp

src/policy/policy.cpp

src/node/transaction.cpp

src/node/coin.cpp

src/rpc/client.cpp

src/rpc/external_signer.cpp

src/rpc/request.cpp

src/rpc/server_util.cpp

src/rpc/fees.cpp

src/rpc/output_script.cpp

src/rpc/rawtransaction_util.cpp

src/rpc/rawtransaction_util.h

src/rpc/register.h

src/rpc/request.h

src/rpc/server_util.h

src/rpc/protocol.h

src/rpc/server.h

src/rpc/signmessage.cpp

src/rpc/txoutproof.cpp

src/rpc/util.cpp

src/rpc/util.h

src/wallet/rpc/addresses.cpp

src/wallet/rpc/backup.cpp

src/wallet/rpc/coins.cpp

src/wallet/rpc/encrypt.cpp

src/wallet/rpc/signmessage.cpp

src/wallet/rpc/util.cpp

src/wallet/rpc/util.h

src/wallet/coincontrol.cpp

src/wallet/coincontrol.h

src/wallet/context.cpp

src/wallet/context.h

src/wallet/crypter.cpp

src/wallet/crypter.h

src/wallet/db.cpp

src/wallet/export.cpp

src/wallet/external_signer_scriptpubkeyman.cpp

src/wallet/rpc/spend.cpp

src/wallet/rpc/transactions.cpp

src/wallet/rpc/wallet.cpp

src/wallet/feebumper.cpp

src/wallet/feebumper.h

src/index/base.h

src/index/base.cpp

src/index/txindex.h

src/index/txindex.cpp

src/index/txindex_key.h

src/index/txospenderindex.h

src/index/txospenderindex.cpp

src/index/blockfilterindex.h

src/index/blockfilterindex.cpp

src/index/coinstatsindex.h

src/index/coinstatsindex.cpp

src/index/db_key.h

src/index/disktxpos.h

src/kernel/chain.cpp

src/kernel/chain.h

src/kernel/checks.cpp

src/kernel/checks.h

src/kernel/context.cpp

src/kernel/context.h

src/kernel/cs_main.cpp

src/kernel/cs_main.h

src/kernel/disconnected_transactions.cpp

src/kernel/disconnected_transactions.h

src/kernel/mempool_removal_reason.cpp

src/kernel/mempool_removal_reason.h

src/kernel/coinstats.cpp

src/kernel/coinstats.h

src/kernel/chainparams.cpp

src/kernel/chainparams.h

src/wallet/sqlite.cpp

src/wallet/sqlite.h

src/wallet/transaction.cpp

src/wallet/transaction.h

src/wallet/dump.cpp

src/wallet/dump.h

src/wallet/init.cpp

src/wallet/walletutil.cpp

src/wallet/walletutil.h

src/wallet/wallettool.cpp

src/wallet/wallettool.h

src/wallet/export.h

src/wallet/migrate.cpp

src/wallet/migrate.h

src/wallet/db.h

src/wallet/walletdb.cpp

src/wallet/interfaces.cpp

src/wallet/scriptpubkeyman.cpp

src/wallet/scriptpubkeyman.h

src/kernel/bitcoinkernel.cpp

src/kernel/bitcoinkernel.h

src/kernel/bitcoinkernel_wrapper.h

src/node/chainstate.cpp

src/node/chainstate.h

src/node/blockstorage.cpp

src/node/blockstorage.h

src/node/mempool_persist.cpp

src/node/mempool_persist.h

src/node/utxo_snapshot.cpp

src/node/utxo_snapshot.h

src/node/kernel_notifications.cpp

src/node/kernel_notifications.h

src/node/blockmanager_args.cpp

src/kernel/blockmanager_opts.h

src/util/expected.cpp

src/policy/settings.h

src/util/types.h

src/kernel/messagestartchars.h

src/kernel/warning.h

src/util/exception.h

src/common/license_info.h

src/node/coins_view_args.h

src/node/database_args.h

src/util/batchpriority.h

src/util/ui_change_type.h

src/node/coins_view_args.cpp

src/node/peerman_args.h

src/util/serfloat.h

src/node/blockmanager_args.h

src/node/database_args.cpp

src/util/overloaded.h

src/interfaces/types.h

src/node/chainstatemanager_args.h

src/node/minisketchwrapper.h

src/util/macros.h

src/util/syserror.h

src/common/run_command.h

src/util/bytevectorhash.cpp

src/node/mempool_persist_args.cpp

src/util/exec.h

src/util/rbf.h

src/crypto/hex_base.h

src/node/mempool_persist_args.h

src/interfaces/echo.h

src/util/any.h

src/util/batchpriority.cpp

src/util/threadnames.h

src/node/coin.h

src/node/mempool_args.h

src/util/asmap.h

src/util/bytevectorhash.h

src/node/context.cpp

src/util/insert.h

src/util/readwritefile.h

src/node/peerman_args.cpp

src/node/interface_ui.cpp

src/interfaces/handler.h

src/node/mining_args.h

src/util/hasher.cpp

src/common/init.h

src/kernel/mempool_limits.h

src/common/system.h

src/crypto/sha3.h

src/util/threadinterrupt.cpp

src/node/protocol_version.h

src/util/exception.cpp

src/common/messages.h

src/node/connection_types.cpp

src/util/bip32.h

src/common/license_info.cpp

src/util/stdmutex.h

src/common/run_command.cpp

src/util/check.cpp

src/util/golombrice.h

src/node/types.h

src/node/timeoffsets.h

src/util/readwritefile.cpp

src/util/fastrange.h

src/util/signalinterrupt.h

src/util/task_runner.h

src/util/syserror.cpp

src/common/interfaces.cpp

src/common/types.h

src/util/threadinterrupt.h

src/kernel/chainstatemanager_opts.h

src/node/psbt.h

src/policy/ephemeral_policy.h

src/util/trace.h

src/common/url.cpp

src/kernel/mempool_options.h

src/util/serfloat.cpp

src/kernel/notifications_interface.h

src/node/timeoffsets.cpp

src/node/warnings.cpp

src/util/hash_type.h

src/crypto/hex_base.cpp

src/node/eviction.h

src/util/tokenbucket.h

src/crypto/aes.h

src/common/pcp.h

src/util/feefrac.cpp

src/node/transaction.h

src/util/threadnames.cpp

src/common/signmessage.h

src/util/exec.cpp

src/util/signalinterrupt.cpp

src/clientversion.cpp

src/common/signmessage.cpp

src/compat/assumptions.h

src/compat/byteswap.h

src/deploymentinfo.cpp

src/deploymentinfo.h

src/deploymentstatus.cpp

src/deploymentstatus.h

src/dummywallet.cpp

src/external_signer.h

src/init/bitcoin-gui.cpp

src/init/bitcoin-node.cpp

src/init/bitcoin-qt.cpp

src/init/bitcoin-wallet.cpp

src/init/bitcoind.cpp

src/init/common.h

src/interfaces/init.h

src/interfaces/ipc.h

src/key_io.h

src/logging/categories.h

src/logging/timer.h

src/mapport.h

src/musig.h

src/net_permissions.h

src/netgroup.h

src/netmessagemaker.h

src/node/chainstatemanager_args.cpp

src/node/connection_types.h

src/node/context.h

src/node/interface_ui.h

src/node/mempool_args.cpp

src/node/mining_args.cpp

src/node/minisketchwrapper.cpp

src/node/txreconciliation.h

src/policy/fees/estimator_args.cpp

src/policy/fees/estimator_args.h

src/policy/fees/estimator_man.cpp

src/policy/fees/estimator_man.h

src/policy/packages.h

src/policy/rbf.h

src/policy/truc_policy.h

src/pow.h

src/primitives/block.cpp

src/randomenv.h

src/rest.h

src/script/keyorigin.h

src/script/parsing.cpp

src/script/parsing.h

src/script/script_error.h

src/script/sigcache.cpp

src/script/sigcache.h

src/script/solver.h

src/script/verify_flags.h

src/semaphore_grant.h

src/signet.h

src/span.h

src/support/allocators/secure.h

src/support/allocators/zeroafterfree.h

src/util/tokenpipe.cpp

src/util/translation.h

src/util/vector.h

src/versionbits.h

src/versionbits_impl.h

src/wallet/external_signer_scriptpubkeyman.h

src/wallet/fees.h

src/wallet/load.h

src/wallet/receive.h

src/wallet/rpc/wallet.h

src/wallet/types.h

src/walletinitinterface.h

src/zmq/zmqabstractnotifier.cpp

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