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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

▤ bitcoin-tx-res.rc

▤ bitcoin-tx.cpp

▤ bitcoin-util-res.rc

▤ bitcoin-util.cpp

▤ bitcoin-wallet-res.rc

▤ blockencodings.cppGuide

▤ blockencodings.hGuide

▤ blockfilter.cppGuide

▤ blockfilter.hGuide

▤ chain.cppGuide

▤ chain.h

▤ chainparams.cppGuide

▤ chainparams.hGuide

▤ chainparamsbase.cppGuide

▤ chainparamsbase.hGuide

▤ chainparamsseeds.h

▤ checkqueue.hGuide

▤ clientversion.cppGuide

▤ clientversion.hGuide

▤ cluster_linearize.h

▤ CMakeLists.txt

▤ coins.cppGuide

▤ coins.hGuide

▤ compressor.cppGuide

▤ compressor.hGuide

▤ core_io.cpp

▤ core_io.hGuide

▤ core_memusage.hGuide

▤ cuckoocache.h

▤ dbwrapper.cpp

▤ dbwrapper.hGuide

▤ deploymentinfo.cppGuide

▤ deploymentinfo.hGuide

▤ deploymentstatus.cppGuide

▤ deploymentstatus.hGuide

▤ dummywallet.cppGuide

▤ external_signer.cpp

▤ external_signer.hGuide

▤ merkleblock.cppGuide

▤ merkleblock.hGuide

▤ musig.cpp

▤ musig.hGuide

▤ net_permissions.cppGuide

▤ net_permissions.hGuide

▤ net_processing.cppGuide

▤ netaddress.cppGuide

▤ netmessagemaker.hGuide

▤ noui.cppGuide

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▤ outputtype.cppGuide

▤ private_broadcast.cpp

▤ private_broadcast.h

▤ semaphore_grant.hGuide

▤ threadsafety.hGuide

▤ tinyformat.h

▤ torcontrol.cppGuide

▤ validation.cppGuide

▤ validation.h

▤ validationinterface.cpp

▤ validationinterface.h

▤ versionbits_impl.hGuide

▤ versionbits.cpp

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▤ CMakeLists.txtGuide

▤ libbitcoinkernel.pc.in

bitcoin / src / bitcoin-tx.cpp

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

251template <typename T>
252static T TrimAndParse(const std::string& int_str, const std::string& err)
253{
254    const auto parsed{ToIntegral<T>(TrimStringView(int_str))};
255    if (!parsed.has_value()) {
256        throw std::runtime_error(err + " '" + int_str + "'");
257    }
258    return parsed.value();
259}
260
261static void MutateTxAddInput(CMutableTransaction& tx, const std::string& strInput)
262{
263    std::vector<std::string> vStrInputParts = SplitString(strInput, ':');
264
265    // separate TXID:VOUT in string
266    if (vStrInputParts.size()<2)
267        throw std::runtime_error("TX input missing separator");
268
269    // extract and validate TXID
270    auto txid{Txid::FromHex(vStrInputParts[0])};
271    if (!txid) {
272        throw std::runtime_error("invalid TX input txid");
273    }
274
275    static const unsigned int minTxOutSz = 9;
276    static const unsigned int maxVout = MAX_BLOCK_WEIGHT / (WITNESS_SCALE_FACTOR * minTxOutSz);
277
278    // extract and validate vout
279    const std::string& strVout = vStrInputParts[1];
280    const auto vout{ToIntegral<uint32_t>(strVout)};
281    if (!vout || *vout > maxVout) {
282        throw std::runtime_error("invalid TX input vout '" + strVout + "'");
283    }
284
285    // extract the optional sequence number
286    uint32_t nSequenceIn = CTxIn::SEQUENCE_FINAL;
287    if (vStrInputParts.size() > 2) {
288        nSequenceIn = TrimAndParse<uint32_t>(vStrInputParts.at(2), "invalid TX sequence id");
289    }
290
291    // append to transaction input list
292    CTxIn txin{*txid, *vout, CScript{}, nSequenceIn};
293    tx.vin.push_back(txin);
294}
295
296static void MutateTxAddOutAddr(CMutableTransaction& tx, const std::string& strInput)
297{
298    // Separate into VALUE:ADDRESS
299    std::vector<std::string> vStrInputParts = SplitString(strInput, ':');
300
301    if (vStrInputParts.size() != 2)
302        throw std::runtime_error("TX output missing or too many separators");
303
304    // Extract and validate VALUE
305    CAmount value = ExtractAndValidateValue(vStrInputParts[0]);
306
307    // extract and validate ADDRESS
308    const std::string& strAddr = vStrInputParts[1];
309    CTxDestination destination = DecodeDestination(strAddr);
310    if (!IsValidDestination(destination)) {
311        throw std::runtime_error("invalid TX output address");
312    }
313    CScript scriptPubKey = GetScriptForDestination(destination);
314
315    // construct TxOut, append to transaction output list
316    CTxOut txout(value, scriptPubKey);
317    tx.vout.push_back(txout);
318}
319
320static void MutateTxAddOutPubKey(CMutableTransaction& tx, const std::string& strInput)
321{
322    // Separate into VALUE:PUBKEY[:FLAGS]
323    std::vector<std::string> vStrInputParts = SplitString(strInput, ':');
324
325    if (vStrInputParts.size() < 2 || vStrInputParts.size() > 3)
326        throw std::runtime_error("TX output missing or too many separators");
327
328    // Extract and validate VALUE
329    CAmount value = ExtractAndValidateValue(vStrInputParts[0]);
330
331    // Extract and validate PUBKEY
332    CPubKey pubkey(ParseHex(vStrInputParts[1]));
333    if (!pubkey.IsFullyValid())
334        throw std::runtime_error("invalid TX output pubkey");
335    CScript scriptPubKey = GetScriptForRawPubKey(pubkey);
336
337    // Extract and validate FLAGS
338    bool bSegWit = false;
339    bool bScriptHash = false;
340    if (vStrInputParts.size() == 3) {
341        const std::string& flags = vStrInputParts[2];
342        bSegWit = (flags.find('W') != std::string::npos);
343        bScriptHash = (flags.find('S') != std::string::npos);
344    }
345
346    if (bSegWit) {
347        if (!pubkey.IsCompressed()) {
348            throw std::runtime_error("Uncompressed pubkeys are not useable for SegWit outputs");
349        }
350        // Build a P2WPKH script
351        scriptPubKey = GetScriptForDestination(WitnessV0KeyHash(pubkey));
352    }
353    if (bScriptHash) {
354        // Get the ID for the script, and then construct a P2SH destination for it.
355        scriptPubKey = GetScriptForDestination(ScriptHash(scriptPubKey));
356    }
357
358    // construct TxOut, append to transaction output list
359    CTxOut txout(value, scriptPubKey);
360    tx.vout.push_back(txout);
361}
362
363static void MutateTxAddOutMultiSig(CMutableTransaction& tx, const std::string& strInput)
364{
365    // Separate into VALUE:REQUIRED:NUMKEYS:PUBKEY1:PUBKEY2:....[:FLAGS]
366    std::vector<std::string> vStrInputParts = SplitString(strInput, ':');
367
368    // Check that there are enough parameters
369    if (vStrInputParts.size()<3)
370        throw std::runtime_error("Not enough multisig parameters");
371
372    // Extract and validate VALUE
373    CAmount value = ExtractAndValidateValue(vStrInputParts[0]);
374
375    // Extract REQUIRED
376    const uint32_t required{TrimAndParse<uint32_t>(vStrInputParts.at(1), "invalid multisig required number")};
377
378    // Extract NUMKEYS
379    const uint32_t numkeys{TrimAndParse<uint32_t>(vStrInputParts.at(2), "invalid multisig total number")};
380
381    // Validate there are the correct number of pubkeys
382    if (vStrInputParts.size() < numkeys + 3)
383        throw std::runtime_error("incorrect number of multisig pubkeys");
384
385    if (required < 1 || required > MAX_PUBKEYS_PER_MULTISIG || numkeys < 1 || numkeys > MAX_PUBKEYS_PER_MULTISIG || numkeys < required)
386        throw std::runtime_error("multisig parameter mismatch. Required " \
387                            + ToString(required) + " of " + ToString(numkeys) + "signatures.");
388
389    // extract and validate PUBKEYs
390    std::vector<CPubKey> pubkeys;
391    for(int pos = 1; pos <= int(numkeys); pos++) {
392        CPubKey pubkey(ParseHex(vStrInputParts[pos + 2]));
393        if (!pubkey.IsFullyValid())
394            throw std::runtime_error("invalid TX output pubkey");
395        pubkeys.push_back(pubkey);
396    }
397
398    // Extract FLAGS
399    bool bSegWit = false;
400    bool bScriptHash = false;
401    if (vStrInputParts.size() == numkeys + 4) {
402        const std::string& flags = vStrInputParts.back();
403        bSegWit = (flags.find('W') != std::string::npos);
404        bScriptHash = (flags.find('S') != std::string::npos);
405    }
406    else if (vStrInputParts.size() > numkeys + 4) {
407        // Validate that there were no more parameters passed
408        throw std::runtime_error("Too many parameters");
409    }
410
411    CScript scriptPubKey = GetScriptForMultisig(required, pubkeys);
412
413    if (bSegWit) {
414        for (const CPubKey& pubkey : pubkeys) {
415            if (!pubkey.IsCompressed()) {
416                throw std::runtime_error("Uncompressed pubkeys are not useable for SegWit outputs");
417            }
418        }
419        // Build a P2WSH with the multisig script
420        scriptPubKey = GetScriptForDestination(WitnessV0ScriptHash(scriptPubKey));
421    }
422    if (bScriptHash) {
423        if (scriptPubKey.size() > MAX_SCRIPT_ELEMENT_SIZE) {
424            throw std::runtime_error(strprintf(
425                        "redeemScript exceeds size limit: %d > %d", scriptPubKey.size(), MAX_SCRIPT_ELEMENT_SIZE));
426        }
427        // Get the ID for the script, and then construct a P2SH destination for it.
428        scriptPubKey = GetScriptForDestination(ScriptHash(scriptPubKey));
429    }
430
431    // construct TxOut, append to transaction output list
432    CTxOut txout(value, scriptPubKey);
433    tx.vout.push_back(txout);
434}
435
436static void MutateTxAddOutData(CMutableTransaction& tx, const std::string& strInput)
437{
438    CAmount value = 0;
439
440    // separate [VALUE:]DATA in string
441    size_t pos = strInput.find(':');
442
443    if (pos==0)
444        throw std::runtime_error("TX output value not specified");
445
446    if (pos == std::string::npos) {
447        pos = 0;
448    } else {
449        // Extract and validate VALUE
450        value = ExtractAndValidateValue(strInput.substr(0, pos));
451        ++pos;
452    }
453
454    // extract and validate DATA
455    const std::string strData{strInput.substr(pos, std::string::npos)};
456
457    if (!IsHex(strData))
458        throw std::runtime_error("invalid TX output data");
459
460    std::vector<unsigned char> data = ParseHex(strData);
461
462    CTxOut txout(value, CScript() << OP_RETURN << data);
463    tx.vout.push_back(txout);
464}
465
466static void MutateTxAddOutScript(CMutableTransaction& tx, const std::string& strInput)
467{
468    // separate VALUE:SCRIPT[:FLAGS]
469    std::vector<std::string> vStrInputParts = SplitString(strInput, ':');
470    if (vStrInputParts.size() < 2)
471        throw std::runtime_error("TX output missing separator");
472
473    // Extract and validate VALUE
474    CAmount value = ExtractAndValidateValue(vStrInputParts[0]);
475
476    // extract and validate script
477    const std::string& strScript = vStrInputParts[1];
478    CScript scriptPubKey = ParseScript(strScript);
479
480    // Extract FLAGS
481    bool bSegWit = false;
482    bool bScriptHash = false;
483    if (vStrInputParts.size() == 3) {
484        const std::string& flags = vStrInputParts.back();
485        bSegWit = (flags.find('W') != std::string::npos);
486        bScriptHash = (flags.find('S') != std::string::npos);
487    }
488
489    if (scriptPubKey.size() > MAX_SCRIPT_SIZE) {
490        throw std::runtime_error(strprintf(
491                    "script exceeds size limit: %d > %d", scriptPubKey.size(), MAX_SCRIPT_SIZE));
492    }
493
494    if (bSegWit) {
495        scriptPubKey = GetScriptForDestination(WitnessV0ScriptHash(scriptPubKey));
496    }
497    if (bScriptHash) {
498        if (scriptPubKey.size() > MAX_SCRIPT_ELEMENT_SIZE) {
499            throw std::runtime_error(strprintf(
500                        "redeemScript exceeds size limit: %d > %d", scriptPubKey.size(), MAX_SCRIPT_ELEMENT_SIZE));

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440 guided files · 2,580 pending. Guides cover key sections, not every line.

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 2Next 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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