Bitcoin Core  22.99.0
P2P Digital Currency
bitcoin-tx.cpp
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1 // Copyright (c) 2009-2020 The Bitcoin Core developers
2 // Distributed under the MIT software license, see the accompanying
3 // file COPYING or http://www.opensource.org/licenses/mit-license.php.
4 
5 #if defined(HAVE_CONFIG_H)
7 #endif
8 
9 #include <clientversion.h>
10 #include <coins.h>
11 #include <consensus/amount.h>
12 #include <consensus/consensus.h>
13 #include <core_io.h>
14 #include <key_io.h>
15 #include <policy/policy.h>
16 #include <policy/rbf.h>
17 #include <primitives/transaction.h>
18 #include <script/script.h>
19 #include <script/sign.h>
20 #include <script/signingprovider.h>
21 #include <univalue.h>
22 #include <util/moneystr.h>
23 #include <util/rbf.h>
24 #include <util/strencodings.h>
25 #include <util/string.h>
26 #include <util/system.h>
27 #include <util/translation.h>
28 
29 #include <functional>
30 #include <memory>
31 #include <stdio.h>
32 
33 #include <boost/algorithm/string.hpp>
34 
35 static bool fCreateBlank;
36 static std::map<std::string,UniValue> registers;
37 static const int CONTINUE_EXECUTION=-1;
38 
39 const std::function<std::string(const char*)> G_TRANSLATION_FUN = nullptr;
40 
41 static void SetupBitcoinTxArgs(ArgsManager &argsman)
42 {
43  SetupHelpOptions(argsman);
44 
45  argsman.AddArg("-version", "Print version and exit", ArgsManager::ALLOW_ANY, OptionsCategory::OPTIONS);
46  argsman.AddArg("-create", "Create new, empty TX.", ArgsManager::ALLOW_ANY, OptionsCategory::OPTIONS);
47  argsman.AddArg("-json", "Select JSON output", ArgsManager::ALLOW_ANY, OptionsCategory::OPTIONS);
48  argsman.AddArg("-txid", "Output only the hex-encoded transaction id of the resultant transaction.", ArgsManager::ALLOW_ANY, OptionsCategory::OPTIONS);
50 
51  argsman.AddArg("delin=N", "Delete input N from TX", ArgsManager::ALLOW_ANY, OptionsCategory::COMMANDS);
52  argsman.AddArg("delout=N", "Delete output N from TX", ArgsManager::ALLOW_ANY, OptionsCategory::COMMANDS);
53  argsman.AddArg("in=TXID:VOUT(:SEQUENCE_NUMBER)", "Add input to TX", ArgsManager::ALLOW_ANY, OptionsCategory::COMMANDS);
54  argsman.AddArg("locktime=N", "Set TX lock time to N", ArgsManager::ALLOW_ANY, OptionsCategory::COMMANDS);
55  argsman.AddArg("nversion=N", "Set TX version to N", ArgsManager::ALLOW_ANY, OptionsCategory::COMMANDS);
56  argsman.AddArg("outaddr=VALUE:ADDRESS", "Add address-based output to TX", ArgsManager::ALLOW_ANY, OptionsCategory::COMMANDS);
57  argsman.AddArg("outdata=[VALUE:]DATA", "Add data-based output to TX", ArgsManager::ALLOW_ANY, OptionsCategory::COMMANDS);
58  argsman.AddArg("outmultisig=VALUE:REQUIRED:PUBKEYS:PUBKEY1:PUBKEY2:....[:FLAGS]", "Add Pay To n-of-m Multi-sig output to TX. n = REQUIRED, m = PUBKEYS. "
59  "Optionally add the \"W\" flag to produce a pay-to-witness-script-hash output. "
60  "Optionally add the \"S\" flag to wrap the output in a pay-to-script-hash.", ArgsManager::ALLOW_ANY, OptionsCategory::COMMANDS);
61  argsman.AddArg("outpubkey=VALUE:PUBKEY[:FLAGS]", "Add pay-to-pubkey output to TX. "
62  "Optionally add the \"W\" flag to produce a pay-to-witness-pubkey-hash output. "
63  "Optionally add the \"S\" flag to wrap the output in a pay-to-script-hash.", ArgsManager::ALLOW_ANY, OptionsCategory::COMMANDS);
64  argsman.AddArg("outscript=VALUE:SCRIPT[:FLAGS]", "Add raw script output to TX. "
65  "Optionally add the \"W\" flag to produce a pay-to-witness-script-hash output. "
66  "Optionally add the \"S\" flag to wrap the output in a pay-to-script-hash.", ArgsManager::ALLOW_ANY, OptionsCategory::COMMANDS);
67  argsman.AddArg("replaceable(=N)", "Set RBF opt-in sequence number for input N (if not provided, opt-in all available inputs)", ArgsManager::ALLOW_ANY, OptionsCategory::COMMANDS);
68  argsman.AddArg("sign=SIGHASH-FLAGS", "Add zero or more signatures to transaction. "
69  "This command requires JSON registers:"
70  "prevtxs=JSON object, "
71  "privatekeys=JSON object. "
72  "See signrawtransactionwithkey docs for format of sighash flags, JSON objects.", ArgsManager::ALLOW_ANY, OptionsCategory::COMMANDS);
73 
74  argsman.AddArg("load=NAME:FILENAME", "Load JSON file FILENAME into register NAME", ArgsManager::ALLOW_ANY, OptionsCategory::REGISTER_COMMANDS);
75  argsman.AddArg("set=NAME:JSON-STRING", "Set register NAME to given JSON-STRING", ArgsManager::ALLOW_ANY, OptionsCategory::REGISTER_COMMANDS);
76 }
77 
78 //
79 // This function returns either one of EXIT_ codes when it's expected to stop the process or
80 // CONTINUE_EXECUTION when it's expected to continue further.
81 //
82 static int AppInitRawTx(int argc, char* argv[])
83 {
85  std::string error;
86  if (!gArgs.ParseParameters(argc, argv, error)) {
87  tfm::format(std::cerr, "Error parsing command line arguments: %s\n", error);
88  return EXIT_FAILURE;
89  }
90 
91  // Check for chain settings (Params() calls are only valid after this clause)
92  try {
94  } catch (const std::exception& e) {
95  tfm::format(std::cerr, "Error: %s\n", e.what());
96  return EXIT_FAILURE;
97  }
98 
99  fCreateBlank = gArgs.GetBoolArg("-create", false);
100 
101  if (argc < 2 || HelpRequested(gArgs) || gArgs.IsArgSet("-version")) {
102  // First part of help message is specific to this utility
103  std::string strUsage = PACKAGE_NAME " bitcoin-tx utility version " + FormatFullVersion() + "\n";
104  if (!gArgs.IsArgSet("-version")) {
105  strUsage += "\n"
106  "Usage: bitcoin-tx [options] <hex-tx> [commands] Update hex-encoded bitcoin transaction\n"
107  "or: bitcoin-tx [options] -create [commands] Create hex-encoded bitcoin transaction\n"
108  "\n";
109  strUsage += gArgs.GetHelpMessage();
110  }
111 
112  tfm::format(std::cout, "%s", strUsage);
113 
114  if (argc < 2) {
115  tfm::format(std::cerr, "Error: too few parameters\n");
116  return EXIT_FAILURE;
117  }
118  return EXIT_SUCCESS;
119  }
120  return CONTINUE_EXECUTION;
121 }
122 
123 static void RegisterSetJson(const std::string& key, const std::string& rawJson)
124 {
125  UniValue val;
126  if (!val.read(rawJson)) {
127  std::string strErr = "Cannot parse JSON for key " + key;
128  throw std::runtime_error(strErr);
129  }
130 
131  registers[key] = val;
132 }
133 
134 static void RegisterSet(const std::string& strInput)
135 {
136  // separate NAME:VALUE in string
137  size_t pos = strInput.find(':');
138  if ((pos == std::string::npos) ||
139  (pos == 0) ||
140  (pos == (strInput.size() - 1)))
141  throw std::runtime_error("Register input requires NAME:VALUE");
142 
143  std::string key = strInput.substr(0, pos);
144  std::string valStr = strInput.substr(pos + 1, std::string::npos);
145 
146  RegisterSetJson(key, valStr);
147 }
148 
149 static void RegisterLoad(const std::string& strInput)
150 {
151  // separate NAME:FILENAME in string
152  size_t pos = strInput.find(':');
153  if ((pos == std::string::npos) ||
154  (pos == 0) ||
155  (pos == (strInput.size() - 1)))
156  throw std::runtime_error("Register load requires NAME:FILENAME");
157 
158  std::string key = strInput.substr(0, pos);
159  std::string filename = strInput.substr(pos + 1, std::string::npos);
160 
161  FILE *f = fopen(filename.c_str(), "r");
162  if (!f) {
163  std::string strErr = "Cannot open file " + filename;
164  throw std::runtime_error(strErr);
165  }
166 
167  // load file chunks into one big buffer
168  std::string valStr;
169  while ((!feof(f)) && (!ferror(f))) {
170  char buf[4096];
171  int bread = fread(buf, 1, sizeof(buf), f);
172  if (bread <= 0)
173  break;
174 
175  valStr.insert(valStr.size(), buf, bread);
176  }
177 
178  int error = ferror(f);
179  fclose(f);
180 
181  if (error) {
182  std::string strErr = "Error reading file " + filename;
183  throw std::runtime_error(strErr);
184  }
185 
186  // evaluate as JSON buffer register
187  RegisterSetJson(key, valStr);
188 }
189 
190 static CAmount ExtractAndValidateValue(const std::string& strValue)
191 {
192  if (std::optional<CAmount> parsed = ParseMoney(strValue)) {
193  return parsed.value();
194  } else {
195  throw std::runtime_error("invalid TX output value");
196  }
197 }
198 
199 static void MutateTxVersion(CMutableTransaction& tx, const std::string& cmdVal)
200 {
201  int64_t newVersion;
202  if (!ParseInt64(cmdVal, &newVersion) || newVersion < 1 || newVersion > TX_MAX_STANDARD_VERSION) {
203  throw std::runtime_error("Invalid TX version requested: '" + cmdVal + "'");
204  }
205 
206  tx.nVersion = (int) newVersion;
207 }
208 
209 static void MutateTxLocktime(CMutableTransaction& tx, const std::string& cmdVal)
210 {
211  int64_t newLocktime;
212  if (!ParseInt64(cmdVal, &newLocktime) || newLocktime < 0LL || newLocktime > 0xffffffffLL)
213  throw std::runtime_error("Invalid TX locktime requested: '" + cmdVal + "'");
214 
215  tx.nLockTime = (unsigned int) newLocktime;
216 }
217 
218 static void MutateTxRBFOptIn(CMutableTransaction& tx, const std::string& strInIdx)
219 {
220  // parse requested index
221  int64_t inIdx;
222  if (!ParseInt64(strInIdx, &inIdx) || inIdx < 0 || inIdx >= static_cast<int64_t>(tx.vin.size())) {
223  throw std::runtime_error("Invalid TX input index '" + strInIdx + "'");
224  }
225 
226  // set the nSequence to MAX_INT - 2 (= RBF opt in flag)
227  int cnt = 0;
228  for (CTxIn& txin : tx.vin) {
229  if (strInIdx == "" || cnt == inIdx) {
230  if (txin.nSequence > MAX_BIP125_RBF_SEQUENCE) {
232  }
233  }
234  ++cnt;
235  }
236 }
237 
238 template <typename T>
239 static T TrimAndParse(const std::string& int_str, const std::string& err)
240 {
241  const auto parsed{ToIntegral<T>(TrimString(int_str))};
242  if (!parsed.has_value()) {
243  throw std::runtime_error(err + " '" + int_str + "'");
244  }
245  return parsed.value();
246 }
247 
248 static void MutateTxAddInput(CMutableTransaction& tx, const std::string& strInput)
249 {
250  std::vector<std::string> vStrInputParts;
251  boost::split(vStrInputParts, strInput, boost::is_any_of(":"));
252 
253  // separate TXID:VOUT in string
254  if (vStrInputParts.size()<2)
255  throw std::runtime_error("TX input missing separator");
256 
257  // extract and validate TXID
258  uint256 txid;
259  if (!ParseHashStr(vStrInputParts[0], txid)) {
260  throw std::runtime_error("invalid TX input txid");
261  }
262 
263  static const unsigned int minTxOutSz = 9;
264  static const unsigned int maxVout = MAX_BLOCK_WEIGHT / (WITNESS_SCALE_FACTOR * minTxOutSz);
265 
266  // extract and validate vout
267  const std::string& strVout = vStrInputParts[1];
268  int64_t vout;
269  if (!ParseInt64(strVout, &vout) || vout < 0 || vout > static_cast<int64_t>(maxVout))
270  throw std::runtime_error("invalid TX input vout '" + strVout + "'");
271 
272  // extract the optional sequence number
273  uint32_t nSequenceIn = CTxIn::SEQUENCE_FINAL;
274  if (vStrInputParts.size() > 2) {
275  nSequenceIn = TrimAndParse<uint32_t>(vStrInputParts.at(2), "invalid TX sequence id");
276  }
277 
278  // append to transaction input list
279  CTxIn txin(txid, vout, CScript(), nSequenceIn);
280  tx.vin.push_back(txin);
281 }
282 
283 static void MutateTxAddOutAddr(CMutableTransaction& tx, const std::string& strInput)
284 {
285  // Separate into VALUE:ADDRESS
286  std::vector<std::string> vStrInputParts;
287  boost::split(vStrInputParts, strInput, boost::is_any_of(":"));
288 
289  if (vStrInputParts.size() != 2)
290  throw std::runtime_error("TX output missing or too many separators");
291 
292  // Extract and validate VALUE
293  CAmount value = ExtractAndValidateValue(vStrInputParts[0]);
294 
295  // extract and validate ADDRESS
296  std::string strAddr = vStrInputParts[1];
297  CTxDestination destination = DecodeDestination(strAddr);
298  if (!IsValidDestination(destination)) {
299  throw std::runtime_error("invalid TX output address");
300  }
301  CScript scriptPubKey = GetScriptForDestination(destination);
302 
303  // construct TxOut, append to transaction output list
304  CTxOut txout(value, scriptPubKey);
305  tx.vout.push_back(txout);
306 }
307 
308 static void MutateTxAddOutPubKey(CMutableTransaction& tx, const std::string& strInput)
309 {
310  // Separate into VALUE:PUBKEY[:FLAGS]
311  std::vector<std::string> vStrInputParts;
312  boost::split(vStrInputParts, strInput, boost::is_any_of(":"));
313 
314  if (vStrInputParts.size() < 2 || vStrInputParts.size() > 3)
315  throw std::runtime_error("TX output missing or too many separators");
316 
317  // Extract and validate VALUE
318  CAmount value = ExtractAndValidateValue(vStrInputParts[0]);
319 
320  // Extract and validate PUBKEY
321  CPubKey pubkey(ParseHex(vStrInputParts[1]));
322  if (!pubkey.IsFullyValid())
323  throw std::runtime_error("invalid TX output pubkey");
324  CScript scriptPubKey = GetScriptForRawPubKey(pubkey);
325 
326  // Extract and validate FLAGS
327  bool bSegWit = false;
328  bool bScriptHash = false;
329  if (vStrInputParts.size() == 3) {
330  std::string flags = vStrInputParts[2];
331  bSegWit = (flags.find('W') != std::string::npos);
332  bScriptHash = (flags.find('S') != std::string::npos);
333  }
334 
335  if (bSegWit) {
336  if (!pubkey.IsCompressed()) {
337  throw std::runtime_error("Uncompressed pubkeys are not useable for SegWit outputs");
338  }
339  // Build a P2WPKH script
340  scriptPubKey = GetScriptForDestination(WitnessV0KeyHash(pubkey));
341  }
342  if (bScriptHash) {
343  // Get the ID for the script, and then construct a P2SH destination for it.
344  scriptPubKey = GetScriptForDestination(ScriptHash(scriptPubKey));
345  }
346 
347  // construct TxOut, append to transaction output list
348  CTxOut txout(value, scriptPubKey);
349  tx.vout.push_back(txout);
350 }
351 
352 static void MutateTxAddOutMultiSig(CMutableTransaction& tx, const std::string& strInput)
353 {
354  // Separate into VALUE:REQUIRED:NUMKEYS:PUBKEY1:PUBKEY2:....[:FLAGS]
355  std::vector<std::string> vStrInputParts;
356  boost::split(vStrInputParts, strInput, boost::is_any_of(":"));
357 
358  // Check that there are enough parameters
359  if (vStrInputParts.size()<3)
360  throw std::runtime_error("Not enough multisig parameters");
361 
362  // Extract and validate VALUE
363  CAmount value = ExtractAndValidateValue(vStrInputParts[0]);
364 
365  // Extract REQUIRED
366  const uint32_t required{TrimAndParse<uint32_t>(vStrInputParts.at(1), "invalid multisig required number")};
367 
368  // Extract NUMKEYS
369  const uint32_t numkeys{TrimAndParse<uint32_t>(vStrInputParts.at(2), "invalid multisig total number")};
370 
371  // Validate there are the correct number of pubkeys
372  if (vStrInputParts.size() < numkeys + 3)
373  throw std::runtime_error("incorrect number of multisig pubkeys");
374 
375  if (required < 1 || required > MAX_PUBKEYS_PER_MULTISIG || numkeys < 1 || numkeys > MAX_PUBKEYS_PER_MULTISIG || numkeys < required)
376  throw std::runtime_error("multisig parameter mismatch. Required " \
377  + ToString(required) + " of " + ToString(numkeys) + "signatures.");
378 
379  // extract and validate PUBKEYs
380  std::vector<CPubKey> pubkeys;
381  for(int pos = 1; pos <= int(numkeys); pos++) {
382  CPubKey pubkey(ParseHex(vStrInputParts[pos + 2]));
383  if (!pubkey.IsFullyValid())
384  throw std::runtime_error("invalid TX output pubkey");
385  pubkeys.push_back(pubkey);
386  }
387 
388  // Extract FLAGS
389  bool bSegWit = false;
390  bool bScriptHash = false;
391  if (vStrInputParts.size() == numkeys + 4) {
392  std::string flags = vStrInputParts.back();
393  bSegWit = (flags.find('W') != std::string::npos);
394  bScriptHash = (flags.find('S') != std::string::npos);
395  }
396  else if (vStrInputParts.size() > numkeys + 4) {
397  // Validate that there were no more parameters passed
398  throw std::runtime_error("Too many parameters");
399  }
400 
401  CScript scriptPubKey = GetScriptForMultisig(required, pubkeys);
402 
403  if (bSegWit) {
404  for (const CPubKey& pubkey : pubkeys) {
405  if (!pubkey.IsCompressed()) {
406  throw std::runtime_error("Uncompressed pubkeys are not useable for SegWit outputs");
407  }
408  }
409  // Build a P2WSH with the multisig script
410  scriptPubKey = GetScriptForDestination(WitnessV0ScriptHash(scriptPubKey));
411  }
412  if (bScriptHash) {
413  if (scriptPubKey.size() > MAX_SCRIPT_ELEMENT_SIZE) {
414  throw std::runtime_error(strprintf(
415  "redeemScript exceeds size limit: %d > %d", scriptPubKey.size(), MAX_SCRIPT_ELEMENT_SIZE));
416  }
417  // Get the ID for the script, and then construct a P2SH destination for it.
418  scriptPubKey = GetScriptForDestination(ScriptHash(scriptPubKey));
419  }
420 
421  // construct TxOut, append to transaction output list
422  CTxOut txout(value, scriptPubKey);
423  tx.vout.push_back(txout);
424 }
425 
426 static void MutateTxAddOutData(CMutableTransaction& tx, const std::string& strInput)
427 {
428  CAmount value = 0;
429 
430  // separate [VALUE:]DATA in string
431  size_t pos = strInput.find(':');
432 
433  if (pos==0)
434  throw std::runtime_error("TX output value not specified");
435 
436  if (pos != std::string::npos) {
437  // Extract and validate VALUE
438  value = ExtractAndValidateValue(strInput.substr(0, pos));
439  }
440 
441  // extract and validate DATA
442  std::string strData = strInput.substr(pos + 1, std::string::npos);
443 
444  if (!IsHex(strData))
445  throw std::runtime_error("invalid TX output data");
446 
447  std::vector<unsigned char> data = ParseHex(strData);
448 
449  CTxOut txout(value, CScript() << OP_RETURN << data);
450  tx.vout.push_back(txout);
451 }
452 
453 static void MutateTxAddOutScript(CMutableTransaction& tx, const std::string& strInput)
454 {
455  // separate VALUE:SCRIPT[:FLAGS]
456  std::vector<std::string> vStrInputParts;
457  boost::split(vStrInputParts, strInput, boost::is_any_of(":"));
458  if (vStrInputParts.size() < 2)
459  throw std::runtime_error("TX output missing separator");
460 
461  // Extract and validate VALUE
462  CAmount value = ExtractAndValidateValue(vStrInputParts[0]);
463 
464  // extract and validate script
465  std::string strScript = vStrInputParts[1];
466  CScript scriptPubKey = ParseScript(strScript);
467 
468  // Extract FLAGS
469  bool bSegWit = false;
470  bool bScriptHash = false;
471  if (vStrInputParts.size() == 3) {
472  std::string flags = vStrInputParts.back();
473  bSegWit = (flags.find('W') != std::string::npos);
474  bScriptHash = (flags.find('S') != std::string::npos);
475  }
476 
477  if (scriptPubKey.size() > MAX_SCRIPT_SIZE) {
478  throw std::runtime_error(strprintf(
479  "script exceeds size limit: %d > %d", scriptPubKey.size(), MAX_SCRIPT_SIZE));
480  }
481 
482  if (bSegWit) {
483  scriptPubKey = GetScriptForDestination(WitnessV0ScriptHash(scriptPubKey));
484  }
485  if (bScriptHash) {
486  if (scriptPubKey.size() > MAX_SCRIPT_ELEMENT_SIZE) {
487  throw std::runtime_error(strprintf(
488  "redeemScript exceeds size limit: %d > %d", scriptPubKey.size(), MAX_SCRIPT_ELEMENT_SIZE));
489  }
490  scriptPubKey = GetScriptForDestination(ScriptHash(scriptPubKey));
491  }
492 
493  // construct TxOut, append to transaction output list
494  CTxOut txout(value, scriptPubKey);
495  tx.vout.push_back(txout);
496 }
497 
498 static void MutateTxDelInput(CMutableTransaction& tx, const std::string& strInIdx)
499 {
500  // parse requested deletion index
501  int64_t inIdx;
502  if (!ParseInt64(strInIdx, &inIdx) || inIdx < 0 || inIdx >= static_cast<int64_t>(tx.vin.size())) {
503  throw std::runtime_error("Invalid TX input index '" + strInIdx + "'");
504  }
505 
506  // delete input from transaction
507  tx.vin.erase(tx.vin.begin() + inIdx);
508 }
509 
510 static void MutateTxDelOutput(CMutableTransaction& tx, const std::string& strOutIdx)
511 {
512  // parse requested deletion index
513  int64_t outIdx;
514  if (!ParseInt64(strOutIdx, &outIdx) || outIdx < 0 || outIdx >= static_cast<int64_t>(tx.vout.size())) {
515  throw std::runtime_error("Invalid TX output index '" + strOutIdx + "'");
516  }
517 
518  // delete output from transaction
519  tx.vout.erase(tx.vout.begin() + outIdx);
520 }
521 
522 static const unsigned int N_SIGHASH_OPTS = 7;
523 static const struct {
524  const char *flagStr;
525  int flags;
527  {"DEFAULT", SIGHASH_DEFAULT},
528  {"ALL", SIGHASH_ALL},
529  {"NONE", SIGHASH_NONE},
530  {"SINGLE", SIGHASH_SINGLE},
531  {"ALL|ANYONECANPAY", SIGHASH_ALL|SIGHASH_ANYONECANPAY},
532  {"NONE|ANYONECANPAY", SIGHASH_NONE|SIGHASH_ANYONECANPAY},
533  {"SINGLE|ANYONECANPAY", SIGHASH_SINGLE|SIGHASH_ANYONECANPAY},
534 };
535 
536 static bool findSighashFlags(int& flags, const std::string& flagStr)
537 {
538  flags = 0;
539 
540  for (unsigned int i = 0; i < N_SIGHASH_OPTS; i++) {
541  if (flagStr == sighashOptions[i].flagStr) {
542  flags = sighashOptions[i].flags;
543  return true;
544  }
545  }
546 
547  return false;
548 }
549 
550 static CAmount AmountFromValue(const UniValue& value)
551 {
552  if (!value.isNum() && !value.isStr())
553  throw std::runtime_error("Amount is not a number or string");
554  CAmount amount;
555  if (!ParseFixedPoint(value.getValStr(), 8, &amount))
556  throw std::runtime_error("Invalid amount");
557  if (!MoneyRange(amount))
558  throw std::runtime_error("Amount out of range");
559  return amount;
560 }
561 
562 static void MutateTxSign(CMutableTransaction& tx, const std::string& flagStr)
563 {
564  int nHashType = SIGHASH_ALL;
565 
566  if (flagStr.size() > 0)
567  if (!findSighashFlags(nHashType, flagStr))
568  throw std::runtime_error("unknown sighash flag/sign option");
569 
570  // mergedTx will end up with all the signatures; it
571  // starts as a clone of the raw tx:
572  CMutableTransaction mergedTx{tx};
573  const CMutableTransaction txv{tx};
574  CCoinsView viewDummy;
575  CCoinsViewCache view(&viewDummy);
576 
577  if (!registers.count("privatekeys"))
578  throw std::runtime_error("privatekeys register variable must be set.");
579  FillableSigningProvider tempKeystore;
580  UniValue keysObj = registers["privatekeys"];
581 
582  for (unsigned int kidx = 0; kidx < keysObj.size(); kidx++) {
583  if (!keysObj[kidx].isStr())
584  throw std::runtime_error("privatekey not a std::string");
585  CKey key = DecodeSecret(keysObj[kidx].getValStr());
586  if (!key.IsValid()) {
587  throw std::runtime_error("privatekey not valid");
588  }
589  tempKeystore.AddKey(key);
590  }
591 
592  // Add previous txouts given in the RPC call:
593  if (!registers.count("prevtxs"))
594  throw std::runtime_error("prevtxs register variable must be set.");
595  UniValue prevtxsObj = registers["prevtxs"];
596  {
597  for (unsigned int previdx = 0; previdx < prevtxsObj.size(); previdx++) {
598  UniValue prevOut = prevtxsObj[previdx];
599  if (!prevOut.isObject())
600  throw std::runtime_error("expected prevtxs internal object");
601 
602  std::map<std::string, UniValue::VType> types = {
603  {"txid", UniValue::VSTR},
604  {"vout", UniValue::VNUM},
605  {"scriptPubKey", UniValue::VSTR},
606  };
607  if (!prevOut.checkObject(types))
608  throw std::runtime_error("prevtxs internal object typecheck fail");
609 
610  uint256 txid;
611  if (!ParseHashStr(prevOut["txid"].get_str(), txid)) {
612  throw std::runtime_error("txid must be hexadecimal string (not '" + prevOut["txid"].get_str() + "')");
613  }
614 
615  const int nOut = prevOut["vout"].get_int();
616  if (nOut < 0)
617  throw std::runtime_error("vout cannot be negative");
618 
619  COutPoint out(txid, nOut);
620  std::vector<unsigned char> pkData(ParseHexUV(prevOut["scriptPubKey"], "scriptPubKey"));
621  CScript scriptPubKey(pkData.begin(), pkData.end());
622 
623  {
624  const Coin& coin = view.AccessCoin(out);
625  if (!coin.IsSpent() && coin.out.scriptPubKey != scriptPubKey) {
626  std::string err("Previous output scriptPubKey mismatch:\n");
627  err = err + ScriptToAsmStr(coin.out.scriptPubKey) + "\nvs:\n"+
628  ScriptToAsmStr(scriptPubKey);
629  throw std::runtime_error(err);
630  }
631  Coin newcoin;
632  newcoin.out.scriptPubKey = scriptPubKey;
633  newcoin.out.nValue = 0;
634  if (prevOut.exists("amount")) {
635  newcoin.out.nValue = AmountFromValue(prevOut["amount"]);
636  }
637  newcoin.nHeight = 1;
638  view.AddCoin(out, std::move(newcoin), true);
639  }
640 
641  // if redeemScript given and private keys given,
642  // add redeemScript to the tempKeystore so it can be signed:
643  if ((scriptPubKey.IsPayToScriptHash() || scriptPubKey.IsPayToWitnessScriptHash()) &&
644  prevOut.exists("redeemScript")) {
645  UniValue v = prevOut["redeemScript"];
646  std::vector<unsigned char> rsData(ParseHexUV(v, "redeemScript"));
647  CScript redeemScript(rsData.begin(), rsData.end());
648  tempKeystore.AddCScript(redeemScript);
649  }
650  }
651  }
652 
653  const FillableSigningProvider& keystore = tempKeystore;
654 
655  bool fHashSingle = ((nHashType & ~SIGHASH_ANYONECANPAY) == SIGHASH_SINGLE);
656 
657  // Sign what we can:
658  for (unsigned int i = 0; i < mergedTx.vin.size(); i++) {
659  CTxIn& txin = mergedTx.vin[i];
660  const Coin& coin = view.AccessCoin(txin.prevout);
661  if (coin.IsSpent()) {
662  continue;
663  }
664  const CScript& prevPubKey = coin.out.scriptPubKey;
665  const CAmount& amount = coin.out.nValue;
666 
667  SignatureData sigdata = DataFromTransaction(mergedTx, i, coin.out);
668  // Only sign SIGHASH_SINGLE if there's a corresponding output:
669  if (!fHashSingle || (i < mergedTx.vout.size()))
670  ProduceSignature(keystore, MutableTransactionSignatureCreator(&mergedTx, i, amount, nHashType), prevPubKey, sigdata);
671 
672  UpdateInput(txin, sigdata);
673  }
674 
675  tx = mergedTx;
676 }
677 
679 {
681 
682 public:
684  ECC_Start();
685  }
687  ECC_Stop();
688  }
689 };
690 
691 static void MutateTx(CMutableTransaction& tx, const std::string& command,
692  const std::string& commandVal)
693 {
694  std::unique_ptr<Secp256k1Init> ecc;
695 
696  if (command == "nversion")
697  MutateTxVersion(tx, commandVal);
698  else if (command == "locktime")
699  MutateTxLocktime(tx, commandVal);
700  else if (command == "replaceable") {
701  MutateTxRBFOptIn(tx, commandVal);
702  }
703 
704  else if (command == "delin")
705  MutateTxDelInput(tx, commandVal);
706  else if (command == "in")
707  MutateTxAddInput(tx, commandVal);
708 
709  else if (command == "delout")
710  MutateTxDelOutput(tx, commandVal);
711  else if (command == "outaddr")
712  MutateTxAddOutAddr(tx, commandVal);
713  else if (command == "outpubkey") {
714  ecc.reset(new Secp256k1Init());
715  MutateTxAddOutPubKey(tx, commandVal);
716  } else if (command == "outmultisig") {
717  ecc.reset(new Secp256k1Init());
718  MutateTxAddOutMultiSig(tx, commandVal);
719  } else if (command == "outscript")
720  MutateTxAddOutScript(tx, commandVal);
721  else if (command == "outdata")
722  MutateTxAddOutData(tx, commandVal);
723 
724  else if (command == "sign") {
725  ecc.reset(new Secp256k1Init());
726  MutateTxSign(tx, commandVal);
727  }
728 
729  else if (command == "load")
730  RegisterLoad(commandVal);
731 
732  else if (command == "set")
733  RegisterSet(commandVal);
734 
735  else
736  throw std::runtime_error("unknown command");
737 }
738 
739 static void OutputTxJSON(const CTransaction& tx)
740 {
741  UniValue entry(UniValue::VOBJ);
742  TxToUniv(tx, uint256(), entry);
743 
744  std::string jsonOutput = entry.write(4);
745  tfm::format(std::cout, "%s\n", jsonOutput);
746 }
747 
748 static void OutputTxHash(const CTransaction& tx)
749 {
750  std::string strHexHash = tx.GetHash().GetHex(); // the hex-encoded transaction hash (aka the transaction id)
751 
752  tfm::format(std::cout, "%s\n", strHexHash);
753 }
754 
755 static void OutputTxHex(const CTransaction& tx)
756 {
757  std::string strHex = EncodeHexTx(tx);
758 
759  tfm::format(std::cout, "%s\n", strHex);
760 }
761 
762 static void OutputTx(const CTransaction& tx)
763 {
764  if (gArgs.GetBoolArg("-json", false))
765  OutputTxJSON(tx);
766  else if (gArgs.GetBoolArg("-txid", false))
767  OutputTxHash(tx);
768  else
769  OutputTxHex(tx);
770 }
771 
772 static std::string readStdin()
773 {
774  char buf[4096];
775  std::string ret;
776 
777  while (!feof(stdin)) {
778  size_t bread = fread(buf, 1, sizeof(buf), stdin);
779  ret.append(buf, bread);
780  if (bread < sizeof(buf))
781  break;
782  }
783 
784  if (ferror(stdin))
785  throw std::runtime_error("error reading stdin");
786 
787  return TrimString(ret);
788 }
789 
790 static int CommandLineRawTx(int argc, char* argv[])
791 {
792  std::string strPrint;
793  int nRet = 0;
794  try {
795  // Skip switches; Permit common stdin convention "-"
796  while (argc > 1 && IsSwitchChar(argv[1][0]) &&
797  (argv[1][1] != 0)) {
798  argc--;
799  argv++;
800  }
801 
803  int startArg;
804 
805  if (!fCreateBlank) {
806  // require at least one param
807  if (argc < 2)
808  throw std::runtime_error("too few parameters");
809 
810  // param: hex-encoded bitcoin transaction
811  std::string strHexTx(argv[1]);
812  if (strHexTx == "-") // "-" implies standard input
813  strHexTx = readStdin();
814 
815  if (!DecodeHexTx(tx, strHexTx, true))
816  throw std::runtime_error("invalid transaction encoding");
817 
818  startArg = 2;
819  } else
820  startArg = 1;
821 
822  for (int i = startArg; i < argc; i++) {
823  std::string arg = argv[i];
824  std::string key, value;
825  size_t eqpos = arg.find('=');
826  if (eqpos == std::string::npos)
827  key = arg;
828  else {
829  key = arg.substr(0, eqpos);
830  value = arg.substr(eqpos + 1);
831  }
832 
833  MutateTx(tx, key, value);
834  }
835 
836  OutputTx(CTransaction(tx));
837  }
838  catch (const std::exception& e) {
839  strPrint = std::string("error: ") + e.what();
840  nRet = EXIT_FAILURE;
841  }
842  catch (...) {
843  PrintExceptionContinue(nullptr, "CommandLineRawTx()");
844  throw;
845  }
846 
847  if (strPrint != "") {
848  tfm::format(nRet == 0 ? std::cout : std::cerr, "%s\n", strPrint);
849  }
850  return nRet;
851 }
852 
853 int main(int argc, char* argv[])
854 {
856 
857  try {
858  int ret = AppInitRawTx(argc, argv);
859  if (ret != CONTINUE_EXECUTION)
860  return ret;
861  }
862  catch (const std::exception& e) {
863  PrintExceptionContinue(&e, "AppInitRawTx()");
864  return EXIT_FAILURE;
865  } catch (...) {
866  PrintExceptionContinue(nullptr, "AppInitRawTx()");
867  return EXIT_FAILURE;
868  }
869 
870  int ret = EXIT_FAILURE;
871  try {
872  ret = CommandLineRawTx(argc, argv);
873  }
874  catch (const std::exception& e) {
875  PrintExceptionContinue(&e, "CommandLineRawTx()");
876  } catch (...) {
877  PrintExceptionContinue(nullptr, "CommandLineRawTx()");
878  }
879  return ret;
880 }
SetupBitcoinTxArgs
static void SetupBitcoinTxArgs(ArgsManager &argsman)
Definition: bitcoin-tx.cpp:41
CTxIn
An input of a transaction.
Definition: transaction.h:65
ParseHashStr
bool ParseHashStr(const std::string &strHex, uint256 &result)
Parse a hex string into 256 bits.
Definition: core_read.cpp:230
policy.h
CMutableTransaction::vin
std::vector< CTxIn > vin
Definition: transaction.h:346
ParseInt64
bool ParseInt64(const std::string &str, int64_t *out)
Convert string to signed 64-bit integer with strict parse error feedback.
Definition: strencodings.cpp:310
AppInitRawTx
static int AppInitRawTx(int argc, char *argv[])
Definition: bitcoin-tx.cpp:82
ArgsManager::GetBoolArg
bool GetBoolArg(const std::string &strArg, bool fDefault) const
Return boolean argument or default value.
Definition: system.cpp:598
MutateTxRBFOptIn
static void MutateTxRBFOptIn(CMutableTransaction &tx, const std::string &strInIdx)
Definition: bitcoin-tx.cpp:218
ParseHex
std::vector< unsigned char > ParseHex(const char *psz)
Definition: strencodings.cpp:83
ToString
std::string ToString(const T &t)
Locale-independent version of std::to_string.
Definition: string.h:87
UniValue::VOBJ
@ VOBJ
Definition: univalue.h:19
tinyformat::format
void format(std::ostream &out, const char *fmt, const Args &... args)
Format list of arguments to the stream according to given format string.
Definition: tinyformat.h:1062
ParseFixedPoint
bool ParseFixedPoint(const std::string &val, int decimals, int64_t *amount_out)
Parse number as fixed point according to JSON number syntax.
Definition: strencodings.cpp:403
findSighashFlags
static bool findSighashFlags(int &flags, const std::string &flagStr)
Definition: bitcoin-tx.cpp:536
fsbridge::fopen
FILE * fopen(const fs::path &p, const char *mode)
Definition: fs.cpp:25
flags
int flags
Definition: bitcoin-tx.cpp:525
key_io.h
moneystr.h
CCoinsViewCache::AddCoin
void AddCoin(const COutPoint &outpoint, Coin &&coin, bool possible_overwrite)
Add a coin.
Definition: coins.cpp:66
transaction.h
CScript::IsPayToWitnessScriptHash
bool IsPayToWitnessScriptHash() const
Definition: script.cpp:210
FillableSigningProvider
Fillable signing provider that keeps keys in an address->secret map.
Definition: signingprovider.h:91
ArgsManager::GetHelpMessage
std::string GetHelpMessage() const
Get the help string.
Definition: system.cpp:666
GetScriptForDestination
CScript GetScriptForDestination(const CTxDestination &dest)
Generate a Bitcoin scriptPubKey for the given CTxDestination.
Definition: standard.cpp:310
string.h
CMutableTransaction::nVersion
int32_t nVersion
Definition: transaction.h:348
IsHex
bool IsHex(const std::string &str)
Definition: strencodings.cpp:60
ArgsManager::ALLOW_ANY
@ ALLOW_ANY
Definition: system.h:166
SetupChainParamsBaseOptions
void SetupChainParamsBaseOptions(ArgsManager &argsman)
Set the arguments for chainparams.
Definition: chainparamsbase.cpp:18
ArgsManager::GetChainName
std::string GetChainName() const
Returns the appropriate chain name from the program arguments.
Definition: system.cpp:986
ArgsManager::IsArgSet
bool IsArgSet(const std::string &strArg) const
Return true if the given argument has been manually set.
Definition: system.cpp:490
SetupEnvironment
void SetupEnvironment()
Definition: system.cpp:1293
SIGHASH_SINGLE
@ SIGHASH_SINGLE
Definition: interpreter.h:29
MutableTransactionSignatureCreator
A signature creator for transactions.
Definition: sign.h:39
MutateTx
static void MutateTx(CMutableTransaction &tx, const std::string &command, const std::string &commandVal)
Definition: bitcoin-tx.cpp:691
MoneyRange
bool MoneyRange(const CAmount &nValue)
Definition: amount.h:27
CommandLineRawTx
static int CommandLineRawTx(int argc, char *argv[])
Definition: bitcoin-tx.cpp:790
clientversion.h
CCoinsViewCache::AccessCoin
const Coin & AccessCoin(const COutPoint &output) const
Return a reference to Coin in the cache, or coinEmpty if not found.
Definition: coins.cpp:137
SIGHASH_NONE
@ SIGHASH_NONE
Definition: interpreter.h:28
UniValue::read
bool read(const char *raw, size_t len)
Definition: univalue_read.cpp:259
TX_MAX_STANDARD_VERSION
static constexpr decltype(CTransaction::nVersion) TX_MAX_STANDARD_VERSION
Definition: policy.h:98
TrimString
std::string TrimString(const std::string &str, const std::string &pattern=" \f\n\r\t\v")
Definition: string.h:18
OutputTx
static void OutputTx(const CTransaction &tx)
Definition: bitcoin-tx.cpp:762
RegisterSet
static void RegisterSet(const std::string &strInput)
Definition: bitcoin-tx.cpp:134
readStdin
static std::string readStdin()
Definition: bitcoin-tx.cpp:772
HelpRequested
bool HelpRequested(const ArgsManager &args)
Definition: system.cpp:735
CScript::IsPayToScriptHash
bool IsPayToScriptHash() const
Definition: script.cpp:201
MAX_SCRIPT_SIZE
static const int MAX_SCRIPT_SIZE
Definition: script.h:33
bitcoin-config.h
UniValue::write
std::string write(unsigned int prettyIndent=0, unsigned int indentLevel=0) const
Definition: univalue_write.cpp:28
UniValue::isNum
bool isNum() const
Definition: univalue.h:80
SetupHelpOptions
void SetupHelpOptions(ArgsManager &args)
Add help options to the args manager.
Definition: system.cpp:740
MAX_PUBKEYS_PER_MULTISIG
static const int MAX_PUBKEYS_PER_MULTISIG
Definition: script.h:30
core_io.h
MutateTxAddOutPubKey
static void MutateTxAddOutPubKey(CMutableTransaction &tx, const std::string &strInput)
Definition: bitcoin-tx.cpp:308
UniValue::checkObject
bool checkObject(const std::map< std::string, UniValue::VType > &memberTypes) const
Definition: univalue.cpp:179
UniValue
Definition: univalue.h:17
FillableSigningProvider::AddKey
virtual bool AddKey(const CKey &key)
Definition: signingprovider.h:152
CTransaction
The basic transaction that is broadcasted on the network and contained in blocks.
Definition: transaction.h:259
rbf.h
CTxIn::SEQUENCE_FINAL
static const uint32_t SEQUENCE_FINAL
Definition: transaction.h:75
WitnessV0KeyHash
Definition: standard.h:109
CONTINUE_EXECUTION
static const int CONTINUE_EXECUTION
Definition: bitcoin-tx.cpp:37
CCoinsView
Abstract view on the open txout dataset.
Definition: coins.h:157
CTxIn::nSequence
uint32_t nSequence
Definition: transaction.h:70
Coin::out
CTxOut out
unspent transaction output
Definition: coins.h:34
CTxOut::nValue
CAmount nValue
Definition: transaction.h:131
signingprovider.h
strencodings.h
TrimAndParse
static T TrimAndParse(const std::string &int_str, const std::string &err)
Definition: bitcoin-tx.cpp:239
UniValue::isStr
bool isStr() const
Definition: univalue.h:79
OP_RETURN
@ OP_RETURN
Definition: script.h:104
CMutableTransaction::nLockTime
uint32_t nLockTime
Definition: transaction.h:349
MAX_BIP125_RBF_SEQUENCE
static constexpr uint32_t MAX_BIP125_RBF_SEQUENCE
Definition: rbf.h:12
CTxDestination
std::variant< CNoDestination, PKHash, ScriptHash, WitnessV0ScriptHash, WitnessV0KeyHash, WitnessV1Taproot, WitnessUnknown > CTxDestination
A txout script template with a specific destination.
Definition: standard.h:157
OutputTxHash
static void OutputTxHash(const CTransaction &tx)
Definition: bitcoin-tx.cpp:748
SignatureData
Definition: sign.h:65
IsValidDestination
bool IsValidDestination(const CTxDestination &dest)
Check whether a CTxDestination is a CNoDestination.
Definition: standard.cpp:332
ECC_Stop
void ECC_Stop()
Deinitialize the elliptic curve support.
Definition: key.cpp:386
ParseScript
CScript ParseScript(const std::string &s)
Definition: core_read.cpp:55
SIGHASH_ANYONECANPAY
@ SIGHASH_ANYONECANPAY
Definition: interpreter.h:30
CTxOut
An output of a transaction.
Definition: transaction.h:128
GetScriptForRawPubKey
CScript GetScriptForRawPubKey(const CPubKey &pubKey)
Generate a P2PK script for the given pubkey.
Definition: standard.cpp:315
Coin
A UTXO entry.
Definition: coins.h:30
OutputTxJSON
static void OutputTxJSON(const CTransaction &tx)
Definition: bitcoin-tx.cpp:739
PACKAGE_NAME
#define PACKAGE_NAME
Definition: bitcoin-config.h:359
GetScriptForMultisig
CScript GetScriptForMultisig(int nRequired, const std::vector< CPubKey > &keys)
Generate a multisig script.
Definition: standard.cpp:320
Coin::nHeight
uint32_t nHeight
at which height this containing transaction was included in the active block chain
Definition: coins.h:40
CTxOut::scriptPubKey
CScript scriptPubKey
Definition: transaction.h:132
registers
static std::map< std::string, UniValue > registers
Definition: bitcoin-tx.cpp:36
ArgsManager::AddArg
void AddArg(const std::string &name, const std::string &help, unsigned int flags, const OptionsCategory &cat)
Add argument.
Definition: system.cpp:638
UniValue::exists
bool exists(const std::string &key) const
Definition: univalue.h:73
univalue.h
consensus.h
MutateTxDelOutput
static void MutateTxDelOutput(CMutableTransaction &tx, const std::string &strOutIdx)
Definition: bitcoin-tx.cpp:510
IsSwitchChar
bool IsSwitchChar(char c)
Definition: system.h:124
CKey::IsValid
bool IsValid() const
Check whether this private key is valid.
Definition: key.h:92
MAX_SCRIPT_ELEMENT_SIZE
static const unsigned int MAX_SCRIPT_ELEMENT_SIZE
Definition: script.h:24
sign.h
MutateTxAddOutMultiSig
static void MutateTxAddOutMultiSig(CMutableTransaction &tx, const std::string &strInput)
Definition: bitcoin-tx.cpp:352
CAmount
int64_t CAmount
Amount in satoshis (Can be negative)
Definition: amount.h:12
OptionsCategory::OPTIONS
@ OPTIONS
base_blob::GetHex
std::string GetHex() const
Definition: uint256.cpp:20
MutateTxAddInput
static void MutateTxAddInput(CMutableTransaction &tx, const std::string &strInput)
Definition: bitcoin-tx.cpp:248
SelectParams
void SelectParams(const std::string &network)
Sets the params returned by Params() to those for the given chain name.
Definition: chainparams.cpp:580
main
int main(int argc, char *argv[])
Definition: bitcoin-tx.cpp:853
ArgsManager::ParseParameters
bool ParseParameters(int argc, const char *const argv[], std::string &error)
Definition: system.cpp:302
DecodeSecret
CKey DecodeSecret(const std::string &str)
Definition: key_io.cpp:178
UniValue::VNUM
@ VNUM
Definition: univalue.h:19
uint256
256-bit opaque blob.
Definition: uint256.h:124
Secp256k1Init
Definition: bitcoin-tx.cpp:678
DecodeDestination
CTxDestination DecodeDestination(const std::string &str, std::string &error_msg)
Definition: key_io.cpp:261
MutateTxAddOutScript
static void MutateTxAddOutScript(CMutableTransaction &tx, const std::string &strInput)
Definition: bitcoin-tx.cpp:453
MutateTxVersion
static void MutateTxVersion(CMutableTransaction &tx, const std::string &cmdVal)
Definition: bitcoin-tx.cpp:199
CScript
Serialized script, used inside transaction inputs and outputs.
Definition: script.h:405
MutateTxAddOutAddr
static void MutateTxAddOutAddr(CMutableTransaction &tx, const std::string &strInput)
Definition: bitcoin-tx.cpp:283
script.h
coins.h
gArgs
ArgsManager gArgs
Definition: system.cpp:84
EncodeHexTx
std::string EncodeHexTx(const CTransaction &tx, const int serializeFlags=0)
Definition: core_write.cpp:138
CPubKey::IsCompressed
bool IsCompressed() const
Check whether this is a compressed public key.
Definition: pubkey.h:194
ProduceSignature
bool ProduceSignature(const SigningProvider &provider, const BaseSignatureCreator &creator, const CScript &fromPubKey, SignatureData &sigdata)
Produce a script signature using a generic signature creator.
Definition: sign.cpp:331
system.h
CMutableTransaction::vout
std::vector< CTxOut > vout
Definition: transaction.h:347
MutateTxAddOutData
static void MutateTxAddOutData(CMutableTransaction &tx, const std::string &strInput)
Definition: bitcoin-tx.cpp:426
ECC_Start
void ECC_Start()
Initialize the elliptic curve support.
Definition: key.cpp:369
strprintf
#define strprintf
Format arguments and return the string or write to given std::ostream (see tinyformat::format doc for...
Definition: tinyformat.h:1164
UniValue::getValStr
const std::string & getValStr() const
Definition: univalue.h:63
SIGHASH_ALL
@ SIGHASH_ALL
Definition: interpreter.h:27
CPubKey
An encapsulated public key.
Definition: pubkey.h:32
RegisterLoad
static void RegisterLoad(const std::string &strInput)
Definition: bitcoin-tx.cpp:149
ECCVerifyHandle
Users of this module must hold an ECCVerifyHandle.
Definition: pubkey.h:315
UniValue::get_int
int get_int() const
Definition: univalue_get.cpp:105
CKey
An encapsulated private key.
Definition: key.h:26
CCoinsViewCache
CCoinsView that adds a memory cache for transactions to another CCoinsView.
Definition: coins.h:213
ArgsManager
Definition: system.h:158
translation.h
flagStr
const char * flagStr
Definition: bitcoin-tx.cpp:524
MutateTxLocktime
static void MutateTxLocktime(CMutableTransaction &tx, const std::string &cmdVal)
Definition: bitcoin-tx.cpp:209
Secp256k1Init::Secp256k1Init
Secp256k1Init()
Definition: bitcoin-tx.cpp:683
ParseMoney
std::optional< CAmount > ParseMoney(const std::string &money_string)
Parse an amount denoted in full coins.
Definition: moneystr.cpp:41
RegisterSetJson
static void RegisterSetJson(const std::string &key, const std::string &rawJson)
Definition: bitcoin-tx.cpp:123
MAX_BLOCK_WEIGHT
static const unsigned int MAX_BLOCK_WEIGHT
The maximum allowed weight for a block, see BIP 141 (network rule)
Definition: consensus.h:15
CTxIn::prevout
COutPoint prevout
Definition: transaction.h:68
OutputTxHex
static void OutputTxHex(const CTransaction &tx)
Definition: bitcoin-tx.cpp:755
sighashOptions
static const struct @0 sighashOptions[N_SIGHASH_OPTS]
prevector::size
size_type size() const
Definition: prevector.h:282
G_TRANSLATION_FUN
const std::function< std::string(const char *)> G_TRANSLATION_FUN
Translate string to current locale using Qt.
Definition: bitcoin-tx.cpp:39
CPubKey::IsFullyValid
bool IsFullyValid() const
fully validate whether this is a valid public key (more expensive than IsValid())
Definition: pubkey.cpp:292
FillableSigningProvider::AddCScript
virtual bool AddCScript(const CScript &redeemScript)
Definition: signingprovider.cpp:153
UniValue::size
size_t size() const
Definition: univalue.h:66
TxToUniv
void TxToUniv(const CTransaction &tx, const uint256 &hashBlock, UniValue &entry, bool include_hex=true, int serialize_flags=0, const CTxUndo *txundo=nullptr, TxVerbosity verbosity=TxVerbosity::SHOW_DETAILS)
Definition: core_write.cpp:166
CTransaction::GetHash
const uint256 & GetHash() const
Definition: transaction.h:302
OptionsCategory::COMMANDS
@ COMMANDS
PrintExceptionContinue
void PrintExceptionContinue(const std::exception *pex, const char *pszThread)
Definition: system.cpp:777
UpdateInput
void UpdateInput(CTxIn &input, const SignatureData &data)
Definition: sign.cpp:492
COutPoint
An outpoint - a combination of a transaction hash and an index n into its vout.
Definition: transaction.h:26
ParseHexUV
std::vector< unsigned char > ParseHexUV(const UniValue &v, const std::string &strName)
Definition: core_read.cpp:239
OptionsCategory::REGISTER_COMMANDS
@ REGISTER_COMMANDS
ExtractAndValidateValue
static CAmount ExtractAndValidateValue(const std::string &strValue)
Definition: bitcoin-tx.cpp:190
FormatFullVersion
std::string FormatFullVersion()
Definition: clientversion.cpp:50
Secp256k1Init::~Secp256k1Init
~Secp256k1Init()
Definition: bitcoin-tx.cpp:686
error
bool error(const char *fmt, const Args &... args)
Definition: system.h:49
Coin::IsSpent
bool IsSpent() const
Either this coin never existed (see e.g.
Definition: coins.h:79
CMutableTransaction
A mutable version of CTransaction.
Definition: transaction.h:344
MutateTxDelInput
static void MutateTxDelInput(CMutableTransaction &tx, const std::string &strInIdx)
Definition: bitcoin-tx.cpp:498
WitnessV0ScriptHash
Definition: standard.h:102
AmountFromValue
static CAmount AmountFromValue(const UniValue &value)
Definition: bitcoin-tx.cpp:550
T
#define T(expected, seed, data)
DataFromTransaction
SignatureData DataFromTransaction(const CMutableTransaction &tx, unsigned int nIn, const CTxOut &txout)
Extract signature data from a transaction input, and insert it.
Definition: sign.cpp:427
UniValue::VSTR
@ VSTR
Definition: univalue.h:19
amount.h
fCreateBlank
static bool fCreateBlank
Definition: bitcoin-tx.cpp:35
Secp256k1Init::globalVerifyHandle
ECCVerifyHandle globalVerifyHandle
Definition: bitcoin-tx.cpp:680
MutateTxSign
static void MutateTxSign(CMutableTransaction &tx, const std::string &flagStr)
Definition: bitcoin-tx.cpp:562
WITNESS_SCALE_FACTOR
static const int WITNESS_SCALE_FACTOR
Definition: consensus.h:21
ScriptHash
Definition: standard.h:89
N_SIGHASH_OPTS
static const unsigned int N_SIGHASH_OPTS
Definition: bitcoin-tx.cpp:522
ScriptToAsmStr
std::string ScriptToAsmStr(const CScript &script, const bool fAttemptSighashDecode=false)
Create the assembly string representation of a CScript object.
Definition: core_write.cpp:93
rbf.h
DecodeHexTx
bool DecodeHexTx(CMutableTransaction &tx, const std::string &hex_tx, bool try_no_witness=false, bool try_witness=true)
Definition: core_read.cpp:189
UniValue::isObject
bool isObject() const
Definition: univalue.h:82
SIGHASH_DEFAULT
@ SIGHASH_DEFAULT
Taproot only; implied when sighash byte is missing, and equivalent to SIGHASH_ALL.
Definition: interpreter.h:32