1 // Copyright (c) 2009-2010 Satoshi Nakamoto
2 // Copyright (c) 2009-2012 The Bitcoin developers
3 // Distributed under the MIT/X11 software license, see the accompanying
4 // file COPYING or http://www.opensource.org/licenses/mit-license.php.
6 #include "txdb-leveldb.h"
10 #include "interface.h"
13 #include "coincontrol.h"
16 #include <openssl/bio.h>
22 extern int64_t nReserveBalance;
24 //////////////////////////////////////////////////////////////////////////////
29 struct CompareValueOnly
31 bool operator()(const pair<int64_t, pair<const CWalletTx*, unsigned int> >& t1,
32 const pair<int64_t, pair<const CWalletTx*, unsigned int> >& t2) const
34 return t1.first < t2.first;
38 const CWalletTx* CWallet::GetWalletTx(const uint256& hash) const
41 std::map<uint256, CWalletTx>::const_iterator it = mapWallet.find(hash);
42 if (it == mapWallet.end())
47 CPubKey CWallet::GenerateNewKey()
49 bool fCompressed = CanSupportFeature(FEATURE_COMPRPUBKEY); // default to compressed public keys if we want 0.6.0 wallets
53 key.MakeNewKey(fCompressed);
55 // Compressed public keys were introduced in version 0.6.0
57 SetMinVersion(FEATURE_COMPRPUBKEY);
59 CPubKey pubkey = key.GetPubKey();
61 // Create new metadata
62 int64_t nCreationTime = GetTime();
63 mapKeyMetadata[CBitcoinAddress(pubkey.GetID())] = CKeyMetadata(nCreationTime);
64 if (!nTimeFirstKey || nCreationTime < nTimeFirstKey)
65 nTimeFirstKey = nCreationTime;
68 throw std::runtime_error("CWallet::GenerateNewKey() : AddKey failed");
69 return key.GetPubKey();
72 CMalleableKeyView CWallet::GenerateNewMalleableKey()
76 // Compressed public keys were introduced in version 0.6.0
77 SetMinVersion(FEATURE_MALLKEY);
81 const CMalleableKeyView &keyView(mKey);
83 // Create new metadata
84 int64_t nCreationTime = GetTime();
85 mapKeyMetadata[CBitcoinAddress(keyView.GetMalleablePubKey())] = CKeyMetadata(nCreationTime);
86 if (!nTimeFirstKey || nCreationTime < nTimeFirstKey)
87 nTimeFirstKey = nCreationTime;
90 throw std::runtime_error("CWallet::GenerateNewMalleableKey() : AddKey failed");
91 return CMalleableKeyView(mKey);
94 bool CWallet::AddKey(const CKey& key)
96 CPubKey pubkey = key.GetPubKey();
97 if (!CCryptoKeyStore::AddKey(key))
102 return CWalletDB(strWalletFile).WriteKey(pubkey, key.GetPrivKey(), mapKeyMetadata[CBitcoinAddress(pubkey.GetID())]);
106 bool CWallet::AddKey(const CMalleableKey& mKey)
108 CMalleableKeyView keyView = CMalleableKeyView(mKey);
109 CSecret vchSecretH = mKey.GetSecretH();
110 if (!CCryptoKeyStore::AddMalleableKey(keyView, vchSecretH))
115 return CWalletDB(strWalletFile).WriteMalleableKey(keyView, vchSecretH, mapKeyMetadata[CBitcoinAddress(keyView.GetMalleablePubKey())]);
119 bool CWallet::AddCryptedMalleableKey(const CMalleableKeyView& keyView, const std::vector<unsigned char> &vchCryptedSecretH)
121 if (!CCryptoKeyStore::AddCryptedMalleableKey(keyView, vchCryptedSecretH))
129 CBitcoinAddress addr(keyView.GetMalleablePubKey());
130 if (pwalletdbEncryption)
131 return pwalletdbEncryption->WriteCryptedMalleableKey(keyView, vchCryptedSecretH, mapKeyMetadata[addr]);
133 return CWalletDB(strWalletFile).WriteCryptedMalleableKey(keyView, vchCryptedSecretH, mapKeyMetadata[addr]);
139 bool CWallet::AddCryptedKey(const CPubKey &vchPubKey, const vector<unsigned char> &vchCryptedSecret)
141 if (!CCryptoKeyStore::AddCryptedKey(vchPubKey, vchCryptedSecret))
144 // check if we need to remove from watch-only
146 script.SetDestination(vchPubKey.GetID());
147 if (HaveWatchOnly(script))
148 RemoveWatchOnly(script);
154 CBitcoinAddress addr(vchPubKey.GetID());
155 if (pwalletdbEncryption)
156 return pwalletdbEncryption->WriteCryptedKey(vchPubKey, vchCryptedSecret, mapKeyMetadata[addr]);
158 return CWalletDB(strWalletFile).WriteCryptedKey(vchPubKey, vchCryptedSecret, mapKeyMetadata[addr]);
163 bool CWallet::LoadKeyMetadata(const CPubKey &pubkey, const CKeyMetadata &meta)
165 if (meta.nCreateTime && (!nTimeFirstKey || meta.nCreateTime < nTimeFirstKey))
166 nTimeFirstKey = meta.nCreateTime;
168 mapKeyMetadata[CBitcoinAddress(pubkey.GetID())] = meta;
172 bool CWallet::LoadKeyMetadata(const CMalleableKeyView &keyView, const CKeyMetadata &metadata)
174 if (metadata.nCreateTime && (!nTimeFirstKey || metadata.nCreateTime < nTimeFirstKey))
175 nTimeFirstKey = metadata.nCreateTime;
177 mapKeyMetadata[CBitcoinAddress(keyView.GetMalleablePubKey())] = metadata;
181 bool CWallet::AddCScript(const CScript& redeemScript)
183 if (!CCryptoKeyStore::AddCScript(redeemScript))
187 return CWalletDB(strWalletFile).WriteCScript(Hash160(redeemScript), redeemScript);
190 bool CWallet::LoadCScript(const CScript& redeemScript)
192 /* A sanity check was added in commit 5ed0a2b to avoid adding redeemScripts
193 * that never can be redeemed. However, old wallets may still contain
194 * these. Do not add them to the wallet and warn. */
195 if (redeemScript.size() > MAX_SCRIPT_ELEMENT_SIZE)
197 std::string strAddr = CBitcoinAddress(redeemScript.GetID()).ToString();
198 printf("LoadCScript() : Warning: This wallet contains a redeemScript of size %" PRIszu " which exceeds maximum size %i thus can never be redeemed. Do not use address %s.\n",
199 redeemScript.size(), MAX_SCRIPT_ELEMENT_SIZE, strAddr.c_str());
203 return CCryptoKeyStore::AddCScript(redeemScript);
207 bool CWallet::AddWatchOnly(const CScript &dest)
209 if (!CCryptoKeyStore::AddWatchOnly(dest))
211 nTimeFirstKey = 1; // No birthday information for watch-only keys.
212 NotifyWatchonlyChanged(true);
215 return CWalletDB(strWalletFile).WriteWatchOnly(dest);
218 bool CWallet::RemoveWatchOnly(const CScript &dest)
221 if (!CCryptoKeyStore::RemoveWatchOnly(dest))
223 if (!HaveWatchOnly())
224 NotifyWatchonlyChanged(false);
226 if (!CWalletDB(strWalletFile).EraseWatchOnly(dest))
232 bool CWallet::LoadWatchOnly(const CScript &dest)
234 return CCryptoKeyStore::AddWatchOnly(dest);
237 // ppcoin: optional setting to unlock wallet for block minting only;
238 // serves to disable the trivial sendmoney when OS account compromised
239 bool fWalletUnlockMintOnly = false;
241 bool CWallet::Unlock(const SecureString& strWalletPassphrase)
247 CKeyingMaterial vMasterKey;
251 for (const MasterKeyMap::value_type& pMasterKey : mapMasterKeys)
253 if(!crypter.SetKeyFromPassphrase(strWalletPassphrase, pMasterKey.second.vchSalt, pMasterKey.second.nDeriveIterations, pMasterKey.second.nDerivationMethod))
255 if (!crypter.Decrypt(pMasterKey.second.vchCryptedKey, vMasterKey))
257 if (CCryptoKeyStore::Unlock(vMasterKey))
264 bool CWallet::ChangeWalletPassphrase(const SecureString& strOldWalletPassphrase, const SecureString& strNewWalletPassphrase)
266 bool fWasLocked = IsLocked();
273 CKeyingMaterial vMasterKey;
274 for (MasterKeyMap::value_type& pMasterKey : mapMasterKeys)
276 if(!crypter.SetKeyFromPassphrase(strOldWalletPassphrase, pMasterKey.second.vchSalt, pMasterKey.second.nDeriveIterations, pMasterKey.second.nDerivationMethod))
278 if (!crypter.Decrypt(pMasterKey.second.vchCryptedKey, vMasterKey))
280 if (CCryptoKeyStore::Unlock(vMasterKey))
282 int64_t nStartTime = GetTimeMillis();
283 crypter.SetKeyFromPassphrase(strNewWalletPassphrase, pMasterKey.second.vchSalt, pMasterKey.second.nDeriveIterations, pMasterKey.second.nDerivationMethod);
284 double nFirstMultiplier = 1e2 / (GetTimeMillis() - nStartTime);
285 pMasterKey.second.nDeriveIterations = (uint32_t)(pMasterKey.second.nDeriveIterations *nFirstMultiplier);
287 nStartTime = GetTimeMillis();
288 crypter.SetKeyFromPassphrase(strNewWalletPassphrase, pMasterKey.second.vchSalt, pMasterKey.second.nDeriveIterations, pMasterKey.second.nDerivationMethod);
289 double nSecondMultiplier = 1e2 / (GetTimeMillis() - nStartTime);
290 pMasterKey.second.nDeriveIterations = (uint32_t)((pMasterKey.second.nDeriveIterations + pMasterKey.second.nDeriveIterations * nSecondMultiplier) / 2);
292 if (pMasterKey.second.nDeriveIterations < 25000)
293 pMasterKey.second.nDeriveIterations = 25000;
295 printf("Wallet passphrase changed to an nDeriveIterations of %i\n", pMasterKey.second.nDeriveIterations);
297 if (!crypter.SetKeyFromPassphrase(strNewWalletPassphrase, pMasterKey.second.vchSalt, pMasterKey.second.nDeriveIterations, pMasterKey.second.nDerivationMethod))
299 if (!crypter.Encrypt(vMasterKey, pMasterKey.second.vchCryptedKey))
301 CWalletDB(strWalletFile).WriteMasterKey(pMasterKey.first, pMasterKey.second);
312 void CWallet::SetBestChain(const CBlockLocator& loc)
314 CWalletDB walletdb(strWalletFile);
315 walletdb.WriteBestBlock(loc);
318 // This class implements an addrIncoming entry that causes pre-0.4
319 // clients to crash on startup if reading a private-key-encrypted wallet.
320 class CCorruptAddress
325 if (nType & SER_DISK)
330 bool CWallet::SetMinVersion(enum WalletFeature nVersion, CWalletDB* pwalletdbIn, bool fExplicit)
332 if (nWalletVersion >= nVersion)
335 // when doing an explicit upgrade, if we pass the max version permitted, upgrade all the way
336 if (fExplicit && nVersion > nWalletMaxVersion)
337 nVersion = FEATURE_LATEST;
339 nWalletVersion = nVersion;
341 if (nVersion > nWalletMaxVersion)
342 nWalletMaxVersion = nVersion;
346 CWalletDB* pwalletdb = pwalletdbIn ? pwalletdbIn : new CWalletDB(strWalletFile);
347 if (nWalletVersion > 40000)
348 pwalletdb->WriteMinVersion(nWalletVersion);
356 bool CWallet::SetMaxVersion(int nVersion)
358 // cannot downgrade below current version
359 if (nWalletVersion > nVersion)
362 nWalletMaxVersion = nVersion;
367 bool CWallet::EncryptWallet(const SecureString& strWalletPassphrase)
372 CKeyingMaterial vMasterKey;
373 RandAddSeedPerfmon();
375 vMasterKey.resize(WALLET_CRYPTO_KEY_SIZE);
376 RAND_bytes(&vMasterKey[0], WALLET_CRYPTO_KEY_SIZE);
378 CMasterKey kMasterKey;
380 RandAddSeedPerfmon();
381 kMasterKey.vchSalt.resize(WALLET_CRYPTO_SALT_SIZE);
382 RAND_bytes(&kMasterKey.vchSalt[0], WALLET_CRYPTO_SALT_SIZE);
385 int64_t nStartTime = GetTimeMillis();
386 crypter.SetKeyFromPassphrase(strWalletPassphrase, kMasterKey.vchSalt, 25000, kMasterKey.nDerivationMethod);
387 int64_t nDivider = GetTimeMillis() - nStartTime;
388 kMasterKey.nDeriveIterations = (uint32_t)(25e5 / (double)(nDivider));
390 nStartTime = GetTimeMillis();
391 crypter.SetKeyFromPassphrase(strWalletPassphrase, kMasterKey.vchSalt, kMasterKey.nDeriveIterations, kMasterKey.nDerivationMethod);
392 double nMultiplier = 1e2 / (GetTimeMillis() - nStartTime);
393 kMasterKey.nDeriveIterations = (uint32_t)((kMasterKey.nDeriveIterations + kMasterKey.nDeriveIterations * nMultiplier) / 2);
395 if (kMasterKey.nDeriveIterations < 25000)
396 kMasterKey.nDeriveIterations = 25000;
398 printf("Encrypting Wallet with an nDeriveIterations of %i\n", kMasterKey.nDeriveIterations);
400 if (!crypter.SetKeyFromPassphrase(strWalletPassphrase, kMasterKey.vchSalt, kMasterKey.nDeriveIterations, kMasterKey.nDerivationMethod))
402 if (!crypter.Encrypt(vMasterKey, kMasterKey.vchCryptedKey))
407 mapMasterKeys[++nMasterKeyMaxID] = kMasterKey;
410 pwalletdbEncryption = new CWalletDB(strWalletFile);
411 if (!pwalletdbEncryption->TxnBegin())
413 pwalletdbEncryption->WriteMasterKey(nMasterKeyMaxID, kMasterKey);
416 if (!EncryptKeys(vMasterKey))
419 pwalletdbEncryption->TxnAbort();
420 exit(1); //We now probably have half of our keys encrypted in memory, and half not...die and let the user reload their unencrypted wallet.
423 // Encryption was introduced in version 0.4.0
424 SetMinVersion(FEATURE_WALLETCRYPT, pwalletdbEncryption, true);
428 if (!pwalletdbEncryption->TxnCommit())
429 exit(1); //We now have keys encrypted in memory, but no on disk...die to avoid confusion and let the user reload their unencrypted wallet.
431 delete pwalletdbEncryption;
432 pwalletdbEncryption = NULL;
436 Unlock(strWalletPassphrase);
440 // Need to completely rewrite the wallet file; if we don't, bdb might keep
441 // bits of the unencrypted private key in slack space in the database file.
442 CDB::Rewrite(strWalletFile);
445 NotifyStatusChanged(this);
450 bool CWallet::DecryptWallet(const SecureString& strWalletPassphrase)
456 CKeyingMaterial vMasterKey;
460 for (const MasterKeyMap::value_type& pMasterKey : mapMasterKeys)
462 if(!crypter.SetKeyFromPassphrase(strWalletPassphrase, pMasterKey.second.vchSalt, pMasterKey.second.nDeriveIterations, pMasterKey.second.nDerivationMethod))
464 if (!crypter.Decrypt(pMasterKey.second.vchCryptedKey, vMasterKey))
466 if (!CCryptoKeyStore::Unlock(vMasterKey))
472 pwalletdbDecryption = new CWalletDB(strWalletFile);
473 if (!pwalletdbDecryption->TxnBegin())
477 if (!DecryptKeys(vMasterKey))
480 pwalletdbDecryption->TxnAbort();
481 exit(1); //We now probably have half of our keys decrypted in memory, and half not...die and let the user reload their encrypted wallet.
486 // Overwrite crypted keys
487 KeyMap::const_iterator mi = mapKeys.begin();
488 while (mi != mapKeys.end())
491 key.SetSecret((*mi).second.first, (*mi).second.second);
492 pwalletdbDecryption->EraseCryptedKey(key.GetPubKey());
493 pwalletdbDecryption->WriteKey(key.GetPubKey(), key.GetPrivKey(), mapKeyMetadata[CBitcoinAddress(mi->first)]);
497 MalleableKeyMap::const_iterator mi2 = mapMalleableKeys.begin();
498 while (mi2 != mapMalleableKeys.end())
500 const CSecret &vchSecretH = mi2->second;
501 const CMalleableKeyView &keyView = mi2->first;
502 pwalletdbDecryption->EraseCryptedMalleableKey(keyView);
503 pwalletdbDecryption->WriteMalleableKey(keyView, vchSecretH, mapKeyMetadata[CBitcoinAddress(keyView.GetMalleablePubKey())]);
508 MasterKeyMap::const_iterator mk = mapMasterKeys.begin();
509 while (mk != mapMasterKeys.end())
511 pwalletdbDecryption->EraseMasterKey((*mk).first);
515 if (!pwalletdbDecryption->TxnCommit())
516 exit(1); //We now have keys decrypted in memory, but no on disk...die to avoid confusion and let the user reload their encrypted wallet.
518 delete pwalletdbDecryption;
519 pwalletdbDecryption = NULL;
522 // Need to completely rewrite the wallet file; if we don't, bdb might keep
523 // encrypted private keys in the database file which can be a reason of consistency issues.
524 CDB::Rewrite(strWalletFile);
526 NotifyStatusChanged(this);
531 int64_t CWallet::IncOrderPosNext(CWalletDB *pwalletdb)
533 int64_t nRet = nOrderPosNext++;
535 pwalletdb->WriteOrderPosNext(nOrderPosNext);
537 CWalletDB(strWalletFile).WriteOrderPosNext(nOrderPosNext);
542 CWallet::TxItems CWallet::OrderedTxItems(std::list<CAccountingEntry>& acentries, std::string strAccount)
544 CWalletDB walletdb(strWalletFile);
546 // First: get all CWalletTx and CAccountingEntry into a sorted-by-order multimap.
549 // Note: maintaining indices in the database of (account,time) --> txid and (account, time) --> acentry
550 // would make this much faster for applications that do this a lot.
551 for (auto & it : mapWallet)
553 CWalletTx* wtx = &(it.second);
554 txOrdered.insert(make_pair(wtx->nOrderPos, TxPair(wtx, (CAccountingEntry*)nullptr)));
557 walletdb.ListAccountCreditDebit(strAccount, acentries);
558 for (CAccountingEntry& entry : acentries)
560 txOrdered.insert(make_pair(entry.nOrderPos, TxPair((CWalletTx*)nullptr, &entry)));
566 void CWallet::WalletUpdateSpent(const CTransaction &tx, bool fBlock)
568 // Anytime a signature is successfully verified, it's proof the outpoint is spent.
569 // Update the wallet spent flag if it doesn't know due to wallet.dat being
570 // restored from backup or the user making copies of wallet.dat.
573 for (const CTxIn& txin : tx.vin)
575 map<uint256, CWalletTx>::iterator mi = mapWallet.find(txin.prevout.hash);
576 if (mi != mapWallet.end())
578 CWalletTx& wtx = (*mi).second;
579 if (txin.prevout.n >= wtx.vout.size())
580 printf("WalletUpdateSpent: bad wtx %s\n", wtx.GetHash().ToString().c_str());
581 else if (!wtx.IsSpent(txin.prevout.n) && IsMine(wtx.vout[txin.prevout.n]))
583 printf("WalletUpdateSpent found spent coin %snvc %s\n", FormatMoney(wtx.GetCredit(MINE_ALL)).c_str(), wtx.GetHash().ToString().c_str());
584 wtx.MarkSpent(txin.prevout.n);
586 NotifyTransactionChanged(this, txin.prevout.hash, CT_UPDATED);
587 vMintingWalletUpdated.push_back(txin.prevout.hash);
594 uint256 hash = tx.GetHash();
595 map<uint256, CWalletTx>::iterator mi = mapWallet.find(hash);
596 CWalletTx& wtx = (*mi).second;
598 for (const CTxOut& txout : tx.vout)
602 wtx.MarkUnspent(&txout - &tx.vout[0]);
604 NotifyTransactionChanged(this, hash, CT_UPDATED);
605 vMintingWalletUpdated.push_back(hash);
613 void CWallet::MarkDirty()
617 for (auto& item : mapWallet)
618 item.second.MarkDirty();
622 bool CWallet::AddToWallet(const CWalletTx& wtxIn)
624 uint256 hash = wtxIn.GetHash();
627 // Inserts only if not already there, returns tx inserted or tx found
628 pair<map<uint256, CWalletTx>::iterator, bool> ret = mapWallet.insert(make_pair(hash, wtxIn));
629 CWalletTx& wtx = (*ret.first).second;
630 wtx.BindWallet(this);
631 bool fInsertedNew = ret.second;
634 wtx.nTimeReceived = GetAdjustedTime();
635 wtx.nOrderPos = IncOrderPosNext();
637 wtx.nTimeSmart = wtx.nTimeReceived;
638 if (wtxIn.hashBlock != 0)
640 if (mapBlockIndex.count(wtxIn.hashBlock))
642 unsigned int latestNow = wtx.nTimeReceived;
643 unsigned int latestEntry = 0;
645 // Tolerate times up to the last timestamp in the wallet not more than 5 minutes into the future
646 int64_t latestTolerated = latestNow + 300;
647 std::list<CAccountingEntry> acentries;
648 TxItems txOrdered = OrderedTxItems(acentries);
649 for (TxItems::reverse_iterator it = txOrdered.rbegin(); it != txOrdered.rend(); ++it)
651 CWalletTx *const pwtx = (*it).second.first;
654 CAccountingEntry *const pacentry = (*it).second.second;
658 nSmartTime = pwtx->nTimeSmart;
660 nSmartTime = pwtx->nTimeReceived;
663 nSmartTime = pacentry->nTime;
664 if (nSmartTime <= latestTolerated)
666 latestEntry = nSmartTime;
667 if (nSmartTime > latestNow)
668 latestNow = nSmartTime;
674 unsigned int& blocktime = mapBlockIndex[wtxIn.hashBlock]->nTime;
675 wtx.nTimeSmart = std::max(latestEntry, std::min(blocktime, latestNow));
678 printf("AddToWallet() : found %s in block %s not in index\n",
679 wtxIn.GetHash().ToString().substr(0,10).c_str(),
680 wtxIn.hashBlock.ToString().c_str());
684 bool fUpdated = false;
688 if (wtxIn.hashBlock != 0 && wtxIn.hashBlock != wtx.hashBlock)
690 wtx.hashBlock = wtxIn.hashBlock;
693 if (wtxIn.nIndex != -1 && (wtxIn.vMerkleBranch != wtx.vMerkleBranch || wtxIn.nIndex != wtx.nIndex))
695 wtx.vMerkleBranch = wtxIn.vMerkleBranch;
696 wtx.nIndex = wtxIn.nIndex;
699 if (wtxIn.fFromMe && wtxIn.fFromMe != wtx.fFromMe)
701 wtx.fFromMe = wtxIn.fFromMe;
704 fUpdated |= wtx.UpdateSpent(wtxIn.vfSpent);
708 printf("AddToWallet %s %s%s\n", wtxIn.GetHash().ToString().substr(0,10).c_str(), (fInsertedNew ? "new" : ""), (fUpdated ? "update" : ""));
711 if (fInsertedNew || fUpdated)
712 if (!wtx.WriteToDisk())
715 // If default receiving address gets used, replace it with a new one
716 CScript scriptDefaultKey;
717 scriptDefaultKey.SetDestination(vchDefaultKey.GetID());
718 for (const CTxOut& txout : wtx.vout)
720 if (txout.scriptPubKey == scriptDefaultKey)
722 CPubKey newDefaultKey;
723 if (GetKeyFromPool(newDefaultKey, false))
725 SetDefaultKey(newDefaultKey);
726 SetAddressBookName(vchDefaultKey.GetID(), "");
731 // since AddToWallet is called directly for self-originating transactions, check for consumption of own coins
732 WalletUpdateSpent(wtx, (wtxIn.hashBlock != 0));
734 // Notify UI of new or updated transaction
735 NotifyTransactionChanged(this, hash, fInsertedNew ? CT_NEW : CT_UPDATED);
736 vMintingWalletUpdated.push_back(hash);
737 // notify an external script when a wallet transaction comes in or is updated
738 std::string strCmd = GetArg("-walletnotify", "");
740 if ( !strCmd.empty())
742 boost::thread t(runCommand, regex_replace(strCmd, static_cast<std::regex>("%s"), wtxIn.GetHash().GetHex()));
748 // Add a transaction to the wallet, or update it.
749 // pblock is optional, but should be provided if the transaction is known to be in a block.
750 // If fUpdate is true, existing transactions will be updated.
751 bool CWallet::AddToWalletIfInvolvingMe(const CTransaction& tx, const CBlock* pblock, bool fUpdate)
753 uint256 hash = tx.GetHash();
756 bool fExisted = mapWallet.count(hash) != 0;
757 if (fExisted && !fUpdate) return false;
758 if (fExisted || IsMine(tx) || IsFromMe(tx))
760 CWalletTx wtx(this,tx);
761 // Get merkle branch if transaction was found in a block
763 wtx.SetMerkleBranch(pblock);
764 return AddToWallet(wtx);
767 WalletUpdateSpent(tx);
772 bool CWallet::EraseFromWallet(uint256 hash)
778 if (mapWallet.erase(hash))
779 CWalletDB(strWalletFile).EraseTx(hash);
785 isminetype CWallet::IsMine(const CTxIn &txin) const
789 map<uint256, CWalletTx>::const_iterator mi = mapWallet.find(txin.prevout.hash);
790 if (mi != mapWallet.end())
792 const CWalletTx& prev = (*mi).second;
793 if (txin.prevout.n < prev.vout.size())
794 return IsMine(prev.vout[txin.prevout.n]);
800 // marks certain txout's as spent
801 // returns true if any update took place
802 bool CWalletTx::UpdateSpent(const std::vector<char>& vfNewSpent)
804 bool fReturn = false;
805 for (unsigned int i = 0; i < vfNewSpent.size(); i++)
807 if (i == vfSpent.size())
810 if (vfNewSpent[i] && !vfSpent[i])
814 fAvailableCreditCached = fAvailableWatchCreditCached = false;
820 // make sure balances are recalculated
821 void CWalletTx::MarkDirty()
823 fCreditCached = false;
824 fAvailableCreditCached = fAvailableWatchCreditCached = false;
825 fDebitCached = fWatchDebitCached = false;
826 fChangeCached = false;
829 void CWalletTx::BindWallet(CWallet *pwalletIn)
835 void CWalletTx::MarkSpent(unsigned int nOut)
837 if (nOut >= vout.size())
838 throw std::runtime_error("CWalletTx::MarkSpent() : nOut out of range");
839 vfSpent.resize(vout.size());
842 vfSpent[nOut] = true;
843 fAvailableCreditCached = fAvailableWatchCreditCached = false;
847 void CWalletTx::MarkUnspent(unsigned int nOut)
849 if (nOut >= vout.size())
850 throw std::runtime_error("CWalletTx::MarkUnspent() : nOut out of range");
851 vfSpent.resize(vout.size());
854 vfSpent[nOut] = false;
855 fAvailableCreditCached = fAvailableWatchCreditCached = false;
859 bool CWalletTx::IsSpent(unsigned int nOut) const
861 if (nOut >= vout.size())
862 throw std::runtime_error("CWalletTx::IsSpent() : nOut out of range");
863 if (nOut >= vfSpent.size())
865 return (!!vfSpent[nOut]);
868 int64_t CWallet::GetDebit(const CTxIn &txin, const isminefilter& filter) const
872 map<uint256, CWalletTx>::const_iterator mi = mapWallet.find(txin.prevout.hash);
873 if (mi != mapWallet.end())
875 const CWalletTx& prev = (*mi).second;
876 if (txin.prevout.n < prev.vout.size())
877 if (IsMine(prev.vout[txin.prevout.n]) & filter)
878 return prev.vout[txin.prevout.n].nValue;
884 isminetype CWallet::IsMine(const CTxOut& txout) const
886 return ::IsMine(*this, txout.scriptPubKey);
889 int64_t CWallet::GetCredit(const CTxOut& txout, const isminefilter& filter) const
891 if (!MoneyRange(txout.nValue))
892 throw std::runtime_error("CWallet::GetCredit() : value out of range");
893 return (IsMine(txout) & filter ? txout.nValue : 0);
896 bool CWallet::IsChange(const CTxOut& txout) const
898 // TODO: fix handling of 'change' outputs. The assumption is that any
899 // payment to a script that is ours, but isn't in the address book
900 // is change. That assumption is likely to break when we implement multisignature
901 // wallets that return change back into a multi-signature-protected address;
902 // a better way of identifying which outputs are 'the send' and which are
903 // 'the change' will need to be implemented (maybe extend CWalletTx to remember
904 // which output, if any, was change).
905 if (::IsMine(*this, txout.scriptPubKey))
907 CTxDestination address;
908 if (!ExtractDestination(txout.scriptPubKey, address))
912 if (!mapAddressBook.count(address))
918 int64_t CWallet::GetChange(const CTxOut& txout) const
920 if (!MoneyRange(txout.nValue))
921 throw std::runtime_error("CWallet::GetChange() : value out of range");
922 return (IsChange(txout) ? txout.nValue : 0);
925 bool CWallet::IsMine(const CTransaction& tx) const
927 for (const CTxOut& txout : tx.vout)
928 if (IsMine(txout) && txout.nValue >= nMinimumInputValue)
933 bool CWallet::IsFromMe(const CTransaction& tx) const
935 return (GetDebit(tx, MINE_ALL) > 0);
938 int64_t CWallet::GetDebit(const CTransaction& tx, const isminefilter& filter) const
941 for (const CTxIn& txin : tx.vin)
943 nDebit += GetDebit(txin, filter);
944 if (!MoneyRange(nDebit))
945 throw std::runtime_error("CWallet::GetDebit() : value out of range");
950 int64_t CWallet::GetCredit(const CTransaction& tx, const isminefilter& filter) const
953 for (const CTxOut& txout : tx.vout)
955 nCredit += GetCredit(txout, filter);
956 if (!MoneyRange(nCredit))
957 throw std::runtime_error("CWallet::GetCredit() : value out of range");
962 int64_t CWallet::GetChange(const CTransaction& tx) const
965 for (const CTxOut& txout : tx.vout)
967 nChange += GetChange(txout);
968 if (!MoneyRange(nChange))
969 throw std::runtime_error("CWallet::GetChange() : value out of range");
974 int64_t CWalletTx::GetTxTime() const
979 int CWalletTx::GetRequestCount() const
981 // Returns -1 if it wasn't being tracked
984 LOCK(pwallet->cs_wallet);
985 if (IsCoinBase() || IsCoinStake())
990 map<uint256, int>::const_iterator mi = pwallet->mapRequestCount.find(hashBlock);
991 if (mi != pwallet->mapRequestCount.end())
992 nRequests = (*mi).second;
997 // Did anyone request this transaction?
998 map<uint256, int>::const_iterator mi = pwallet->mapRequestCount.find(GetHash());
999 if (mi != pwallet->mapRequestCount.end())
1001 nRequests = (*mi).second;
1003 // How about the block it's in?
1004 if (nRequests == 0 && hashBlock != 0)
1006 map<uint256, int>::const_iterator mi = pwallet->mapRequestCount.find(hashBlock);
1007 if (mi != pwallet->mapRequestCount.end())
1008 nRequests = (*mi).second;
1010 nRequests = 1; // If it's in someone else's block it must have got out
1018 bool CWalletTx::InMempool() const
1021 if (mempool.exists(GetHash())) {
1027 bool CWalletTx::IsTrusted() const
1029 // Quick answer in most cases
1032 int nDepth = GetDepthInMainChain();
1037 if (!fConfChange || !IsFromMe(MINE_ALL)) // using wtx's cached debit
1040 // Don't trust unconfirmed transactions from us unless they are in the mempool.
1044 // Trusted if all inputs are from us and are in the mempool:
1045 for (const CTxIn& txin : vin)
1047 // Transactions not sent by us: not trusted
1048 const CWalletTx* parent = pwallet->GetWalletTx(txin.prevout.hash);
1051 const CTxOut& parentOut = parent->vout[txin.prevout.n];
1052 if (pwallet->IsMine(parentOut) != MINE_SPENDABLE)
1058 int64_t CWalletTx::GetDebit(const isminefilter& filter) const
1064 if (filter & MINE_SPENDABLE)
1067 nDebit += nDebitCached;
1070 nDebitCached = pwallet->GetDebit(*this, MINE_SPENDABLE);
1071 fDebitCached = true;
1072 nDebit += nDebitCached;
1075 if (filter & MINE_WATCH_ONLY)
1077 if (fWatchDebitCached)
1078 nDebit += nWatchDebitCached;
1081 nWatchDebitCached = pwallet->GetDebit(*this, MINE_WATCH_ONLY);
1082 fWatchDebitCached = true;
1083 nDebit += nWatchDebitCached;
1089 int64_t CWalletTx::GetCredit(const isminefilter& filter) const
1091 // Must wait until coinbase is safely deep enough in the chain before valuing it
1092 if ((IsCoinBase() || IsCoinStake()) && GetBlocksToMaturity() > 0)
1096 if (filter & MINE_SPENDABLE)
1098 // GetBalance can assume transactions in mapWallet won't change
1100 credit += nCreditCached;
1103 nCreditCached = pwallet->GetCredit(*this, MINE_SPENDABLE);
1104 fCreditCached = true;
1105 credit += nCreditCached;
1108 if (filter & MINE_WATCH_ONLY)
1110 if (fWatchCreditCached)
1111 credit += nWatchCreditCached;
1114 nWatchCreditCached = pwallet->GetCredit(*this, MINE_WATCH_ONLY);
1115 fWatchCreditCached = true;
1116 credit += nWatchCreditCached;
1122 int64_t CWalletTx::GetImmatureCredit(bool fUseCache) const
1124 if (IsCoinBase() && GetBlocksToMaturity() > 0 && IsInMainChain())
1126 if (fUseCache && fImmatureCreditCached)
1127 return nImmatureCreditCached;
1128 nImmatureCreditCached = pwallet->GetCredit(*this, MINE_SPENDABLE);
1129 fImmatureCreditCached = true;
1130 return nImmatureCreditCached;
1136 int64_t CWalletTx::GetImmatureWatchOnlyCredit(bool fUseCache) const
1138 if (IsCoinBase() && GetBlocksToMaturity() > 0 && IsInMainChain())
1140 if (fUseCache && fImmatureWatchCreditCached)
1141 return nImmatureWatchCreditCached;
1142 nImmatureWatchCreditCached = pwallet->GetCredit(*this, MINE_WATCH_ONLY);
1143 fImmatureWatchCreditCached = true;
1144 return nImmatureWatchCreditCached;
1151 int64_t CWalletTx::GetAvailableCredit(bool fUseCache) const
1153 // Must wait until coinbase is safely deep enough in the chain before valuing it
1154 if ((IsCoinBase() || IsCoinStake()) && GetBlocksToMaturity() > 0)
1158 if (fAvailableCreditCached)
1159 return nAvailableCreditCached;
1162 int64_t nCredit = 0;
1163 for (unsigned int i = 0; i < vout.size(); i++)
1167 const CTxOut &txout = vout[i];
1168 nCredit += pwallet->GetCredit(txout, MINE_SPENDABLE);
1169 if (!MoneyRange(nCredit))
1170 throw std::runtime_error("CWalletTx::GetAvailableCredit() : value out of range");
1174 nAvailableCreditCached = nCredit;
1175 fAvailableCreditCached = true;
1180 int64_t CWalletTx::GetAvailableWatchCredit(bool fUseCache) const
1182 // Must wait until coinbase is safely deep enough in the chain before valuing it
1183 if ((IsCoinBase() || IsCoinStake()) && GetBlocksToMaturity() > 0)
1187 if (fAvailableWatchCreditCached)
1188 return nAvailableWatchCreditCached;
1191 int64_t nCredit = 0;
1192 for (unsigned int i = 0; i < vout.size(); i++)
1196 const CTxOut &txout = vout[i];
1197 nCredit += pwallet->GetCredit(txout, MINE_WATCH_ONLY);
1198 if (!MoneyRange(nCredit))
1199 throw std::runtime_error("CWalletTx::GetAvailableCredit() : value out of range");
1203 nAvailableWatchCreditCached = nCredit;
1204 fAvailableWatchCreditCached = true;
1209 int64_t CWalletTx::GetChange() const
1212 return nChangeCached;
1213 nChangeCached = pwallet->GetChange(*this);
1214 fChangeCached = true;
1215 return nChangeCached;
1218 void CWalletTx::GetAmounts(int64_t& nGeneratedImmature, int64_t& nGeneratedMature, list<pair<CBitcoinAddress, int64_t> >& listReceived,
1219 list<pair<CBitcoinAddress, int64_t> >& listSent, int64_t& nFee, string& strSentAccount, const isminefilter& filter) const
1221 nGeneratedImmature = nGeneratedMature = nFee = 0;
1222 listReceived.clear();
1224 strSentAccount = strFromAccount;
1226 if (IsCoinBase() || IsCoinStake())
1228 if (GetBlocksToMaturity() > 0)
1229 nGeneratedImmature = pwallet->GetCredit(*this, filter);
1231 nGeneratedMature = GetCredit(filter);
1236 int64_t nDebit = GetDebit(filter);
1237 if (nDebit > 0) // debit>0 means we signed/sent this transaction
1239 int64_t nValueOut = GetValueOut();
1240 nFee = nDebit - nValueOut;
1244 for (const CTxOut& txout : vout)
1246 isminetype fIsMine = pwallet->IsMine(txout);
1247 // Only need to handle txouts if AT LEAST one of these is true:
1248 // 1) they debit from us (sent)
1249 // 2) the output is to us (received)
1252 // Don't report 'change' txouts
1253 if (pwallet->IsChange(txout))
1256 else if (!(fIsMine & filter))
1259 // In either case, we need to get the destination address
1260 CBitcoinAddress address;
1261 if (!ExtractAddress(*pwallet, txout.scriptPubKey, address))
1263 printf("CWalletTx::GetAmounts: Unknown transaction type found, txid %s\n",
1264 this->GetHash().ToString().c_str());
1265 address = CBitcoinAddress();
1268 // If we are debited by the transaction, add the output as a "sent" entry
1270 listSent.push_back(make_pair(address, txout.nValue));
1272 // If we are receiving the output, add it as a "received" entry
1273 if (fIsMine & filter)
1274 listReceived.push_back(make_pair(address, txout.nValue));
1279 void CWalletTx::GetAccountAmounts(const string& strAccount, int64_t& nGenerated, int64_t& nReceived,
1280 int64_t& nSent, int64_t& nFee, const isminefilter& filter) const
1282 nGenerated = nReceived = nSent = nFee = 0;
1284 int64_t allGeneratedImmature, allGeneratedMature, allFee;
1285 allGeneratedImmature = allGeneratedMature = allFee = 0;
1286 string strSentAccount;
1287 list<pair<CBitcoinAddress, int64_t> > listReceived;
1288 list<pair<CBitcoinAddress, int64_t> > listSent;
1289 GetAmounts(allGeneratedImmature, allGeneratedMature, listReceived, listSent, allFee, strSentAccount, filter);
1291 if (strAccount.empty())
1292 nGenerated = allGeneratedMature;
1293 if (strAccount == strSentAccount)
1295 for (const auto& s : listSent)
1300 LOCK(pwallet->cs_wallet);
1301 for (const auto& r : listReceived)
1303 if (pwallet->mapAddressBook.count(r.first))
1305 map<CBitcoinAddress, string>::const_iterator mi = pwallet->mapAddressBook.find(r.first);
1306 if (mi != pwallet->mapAddressBook.end() && (*mi).second == strAccount)
1307 nReceived += r.second;
1309 else if (strAccount.empty())
1311 nReceived += r.second;
1317 void CWalletTx::AddSupportingTransactions(CTxDB& txdb)
1321 const int COPY_DEPTH = 3;
1322 if (SetMerkleBranch() < COPY_DEPTH)
1324 vector<uint256> vWorkQueue;
1325 for (const CTxIn& txin : vin)
1326 vWorkQueue.push_back(txin.prevout.hash);
1328 // This critsect is OK because txdb is already open
1330 LOCK(pwallet->cs_wallet);
1331 map<uint256, const CMerkleTx*> mapWalletPrev;
1332 set<uint256> setAlreadyDone;
1333 for (unsigned int i = 0; i < vWorkQueue.size(); i++)
1335 uint256 hash = vWorkQueue[i];
1336 if (setAlreadyDone.count(hash))
1338 setAlreadyDone.insert(hash);
1341 map<uint256, CWalletTx>::const_iterator mi = pwallet->mapWallet.find(hash);
1342 if (mi != pwallet->mapWallet.end())
1345 for (const CMerkleTx& txWalletPrev : (*mi).second.vtxPrev)
1346 mapWalletPrev[txWalletPrev.GetHash()] = &txWalletPrev;
1348 else if (mapWalletPrev.count(hash))
1350 tx = *mapWalletPrev[hash];
1352 else if (!fClient && txdb.ReadDiskTx(hash, tx))
1358 printf("ERROR: AddSupportingTransactions() : unsupported transaction\n");
1362 int nDepth = tx.SetMerkleBranch();
1363 vtxPrev.push_back(tx);
1365 if (nDepth < COPY_DEPTH)
1367 for (const CTxIn& txin : tx.vin)
1368 vWorkQueue.push_back(txin.prevout.hash);
1374 reverse(vtxPrev.begin(), vtxPrev.end());
1377 bool CWalletTx::AcceptWalletTransaction(CTxDB& txdb, bool fCheckInputs)
1382 // Add previous supporting transactions first
1383 for (CMerkleTx& tx : vtxPrev)
1385 if (!(tx.IsCoinBase() || tx.IsCoinStake()))
1387 uint256 hash = tx.GetHash();
1388 if (!mempool.exists(hash) && !txdb.ContainsTx(hash))
1389 tx.AcceptToMemoryPool(txdb, fCheckInputs);
1392 return AcceptToMemoryPool(txdb, fCheckInputs);
1397 bool CWalletTx::AcceptWalletTransaction()
1400 return AcceptWalletTransaction(txdb);
1403 bool CWalletTx::WriteToDisk()
1405 return CWalletDB(pwallet->strWalletFile).WriteTx(GetHash(), *this);
1408 // Scan the block chain (starting in pindexStart) for transactions
1409 // from or to us. If fUpdate is true, found transactions that already
1410 // exist in the wallet will be updated.
1411 int CWallet::ScanForWalletTransactions(CBlockIndex* pindexStart, bool fUpdate)
1415 CBlockIndex* pindex = pindexStart;
1421 block.ReadFromDisk(pindex, true);
1422 for (CTransaction& tx : block.vtx)
1424 if (AddToWalletIfInvolvingMe(tx, &block, fUpdate))
1427 pindex = pindex->pnext;
1433 int CWallet::ScanForWalletTransaction(const uint256& hashTx)
1436 tx.ReadFromDisk(COutPoint(hashTx, 0));
1437 if (AddToWalletIfInvolvingMe(tx, NULL, true))
1442 void CWallet::ReacceptWalletTransactions()
1445 bool fRepeat = true;
1450 vector<CDiskTxPos> vMissingTx;
1451 for (auto& item : mapWallet)
1453 CWalletTx& wtx = item.second;
1454 if ((wtx.IsCoinBase() && wtx.IsSpent(0)) || (wtx.IsCoinStake() && wtx.IsSpent(1)))
1458 bool fUpdated = false;
1459 if (txdb.ReadTxIndex(wtx.GetHash(), txindex))
1461 // Update fSpent if a tx got spent somewhere else by a copy of wallet.dat
1462 if (txindex.vSpent.size() != wtx.vout.size())
1464 printf("ERROR: ReacceptWalletTransactions() : txindex.vSpent.size() %" PRIszu " != wtx.vout.size() %" PRIszu "\n", txindex.vSpent.size(), wtx.vout.size());
1467 for (unsigned int i = 0; i < txindex.vSpent.size(); i++)
1471 if (!txindex.vSpent[i].IsNull() && IsMine(wtx.vout[i]))
1475 vMissingTx.push_back(txindex.vSpent[i]);
1480 printf("ReacceptWalletTransactions found spent coin %snvc %s\n", FormatMoney(wtx.GetCredit(MINE_ALL)).c_str(), wtx.GetHash().ToString().c_str());
1487 // Re-accept any txes of ours that aren't already in a block
1488 if (!(wtx.IsCoinBase() || wtx.IsCoinStake()))
1489 wtx.AcceptWalletTransaction(txdb, false);
1492 if (!vMissingTx.empty())
1494 // TODO: optimize this to scan just part of the block chain?
1495 if (ScanForWalletTransactions(pindexGenesisBlock))
1496 fRepeat = true; // Found missing transactions: re-do re-accept.
1501 bool CWalletTx::RelayWalletTransaction(CTxDB& txdb)
1503 uint256 hash = GetHash();
1504 if (IsCoinBase() || IsCoinStake() || txdb.ContainsTx(hash) || !InMempool())
1507 for(std::vector<CMerkleTx>::const_iterator it = vtxPrev.begin(); it != vtxPrev.end(); it++)
1509 const CMerkleTx& tx = *it;
1510 uint256 hash = tx.GetHash();
1512 if (tx.IsCoinBase() || tx.IsCoinStake())
1515 if (!txdb.ContainsTx(hash))
1516 RelayTransaction((CTransaction)tx, hash);
1519 printf("Relaying wtx %s\n", hash.ToString().substr(0,10).c_str());
1520 RelayTransaction((CTransaction)*this, hash);
1524 bool CWalletTx::RelayWalletTransaction()
1527 return RelayWalletTransaction(txdb);
1530 std::vector<uint256> CWallet::ResendWalletTransactionsBefore(int64_t nTime)
1532 std::vector<uint256> result;
1535 // Sort them in chronological order
1536 map<unsigned int, CWalletTx*> mapSorted;
1537 for (auto& item : mapWallet)
1539 CWalletTx& wtx = item.second;
1540 // Don't rebroadcast if newer than nTime:
1541 if (wtx.nTimeReceived > nTime)
1543 mapSorted.insert(make_pair(wtx.nTimeReceived, &wtx));
1545 for (auto& item : mapSorted)
1547 CWalletTx& wtx = *item.second;
1548 if (wtx.RelayWalletTransaction())
1549 result.push_back(wtx.GetHash());
1554 void CWallet::ResendWalletTransactions(int64_t nBestBlockTime)
1556 int64_t nNow = GetTime();
1558 // Do this infrequently and randomly to avoid giving away
1559 // that these are our transactions.
1560 if (nNow < nNextResend)
1562 bool fFirst = (nNextResend == 0);
1563 nNextResend = PoissonNextSend(nNow, 5*60);
1567 // Only do it if there's been a new block since last time
1568 if (nBestBlockTime < nLastResend)
1572 // Rebroadcast unconfirmed txes older than 5 minutes before the last
1574 std::vector<uint256> relayed = ResendWalletTransactionsBefore(nBestBlockTime - 5*60);
1575 if (!relayed.empty())
1576 printf("CWallet::ResendWalletTransactions: rebroadcast %" PRIszu " unconfirmed transactions\n", relayed.size());
1580 //////////////////////////////////////////////////////////////////////////////
1586 int64_t CWallet::GetBalance() const
1591 for (map<uint256, CWalletTx>::const_iterator it = mapWallet.begin(); it != mapWallet.end(); ++it)
1593 const CWalletTx* pcoin = &(*it).second;
1594 if (pcoin->IsTrusted())
1595 nTotal += pcoin->GetAvailableCredit();
1602 int64_t CWallet::GetWatchOnlyBalance() const
1607 for (map<uint256, CWalletTx>::const_iterator it = mapWallet.begin(); it != mapWallet.end(); ++it)
1609 const CWalletTx* pcoin = &(*it).second;
1610 if (pcoin->IsTrusted())
1611 nTotal += pcoin->GetAvailableWatchCredit();
1618 int64_t CWallet::GetUnconfirmedBalance() const
1623 for (map<uint256, CWalletTx>::const_iterator it = mapWallet.begin(); it != mapWallet.end(); ++it)
1625 const CWalletTx* pcoin = &(*it).second;
1626 if (!pcoin->IsFinal() || !pcoin->IsTrusted())
1627 nTotal += pcoin->GetAvailableCredit();
1633 int64_t CWallet::GetUnconfirmedWatchOnlyBalance() const
1638 for (map<uint256, CWalletTx>::const_iterator it = mapWallet.begin(); it != mapWallet.end(); ++it)
1640 const CWalletTx* pcoin = &(*it).second;
1641 if (!pcoin->IsFinal() || !pcoin->IsTrusted())
1642 nTotal += pcoin->GetAvailableWatchCredit();
1648 int64_t CWallet::GetImmatureBalance() const
1653 for (map<uint256, CWalletTx>::const_iterator it = mapWallet.begin(); it != mapWallet.end(); ++it)
1655 const CWalletTx* pcoin = &(*it).second;
1656 nTotal += pcoin->GetImmatureCredit();
1662 int64_t CWallet::GetImmatureWatchOnlyBalance() const
1667 for (map<uint256, CWalletTx>::const_iterator it = mapWallet.begin(); it != mapWallet.end(); ++it)
1669 const CWalletTx* pcoin = &(*it).second;
1670 nTotal += pcoin->GetImmatureWatchOnlyCredit();
1676 // populate vCoins with vector of spendable COutputs
1677 void CWallet::AvailableCoins(vector<COutput>& vCoins, bool fOnlyConfirmed, const CCoinControl *coinControl) const
1683 for (map<uint256, CWalletTx>::const_iterator it = mapWallet.begin(); it != mapWallet.end(); ++it)
1685 const CWalletTx* pcoin = &(*it).second;
1687 if (!pcoin->IsFinal())
1690 if (fOnlyConfirmed && !pcoin->IsTrusted())
1693 if (pcoin->IsCoinBase() && pcoin->GetBlocksToMaturity() > 0)
1696 if(pcoin->IsCoinStake() && pcoin->GetBlocksToMaturity() > 0)
1699 for (unsigned int i = 0; i < pcoin->vout.size(); i++) {
1700 isminetype mine = IsMine(pcoin->vout[i]);
1701 if (!(pcoin->IsSpent(i)) && mine != MINE_NO &&
1702 pcoin->vout[i].nValue >= nMinimumInputValue &&
1703 (!coinControl || !coinControl->HasSelected() || coinControl->IsSelected((*it).first, i)))
1705 vCoins.push_back(COutput(pcoin, i, pcoin->GetDepthInMainChain(), mine == MINE_SPENDABLE));
1712 void CWallet::AvailableCoinsMinConf(vector<COutput>& vCoins, int nConf, int64_t nMinValue, int64_t nMaxValue) const
1718 for (map<uint256, CWalletTx>::const_iterator it = mapWallet.begin(); it != mapWallet.end(); ++it)
1720 const CWalletTx* pcoin = &(*it).second;
1722 if (!pcoin->IsFinal())
1725 if(pcoin->GetDepthInMainChain() < nConf)
1728 for (unsigned int i = 0; i < pcoin->vout.size(); i++) {
1729 isminetype mine = IsMine(pcoin->vout[i]);
1731 // ignore coin if it was already spent or we don't own it
1732 if (pcoin->IsSpent(i) || mine == MINE_NO)
1735 // if coin value is between required limits then add new item to vector
1736 if (pcoin->vout[i].nValue >= nMinValue && pcoin->vout[i].nValue < nMaxValue)
1737 vCoins.push_back(COutput(pcoin, i, pcoin->GetDepthInMainChain(), mine == MINE_SPENDABLE));
1743 static void ApproximateBestSubset(vector<pair<int64_t, pair<const CWalletTx*,unsigned int> > >vValue, int64_t nTotalLower, int64_t nTargetValue,
1744 vector<char>& vfBest, int64_t& nBest, int iterations = 1000)
1746 vector<char> vfIncluded;
1748 vfBest.assign(vValue.size(), true);
1749 nBest = nTotalLower;
1751 for (int nRep = 0; nRep < iterations && nBest != nTargetValue; nRep++)
1753 vfIncluded.assign(vValue.size(), false);
1755 bool fReachedTarget = false;
1756 for (int nPass = 0; nPass < 2 && !fReachedTarget; nPass++)
1758 for (unsigned int i = 0; i < vValue.size(); i++)
1760 if (nPass == 0 ? rand() % 2 : !vfIncluded[i])
1762 nTotal += vValue[i].first;
1763 vfIncluded[i] = true;
1764 if (nTotal >= nTargetValue)
1766 fReachedTarget = true;
1770 vfBest = vfIncluded;
1772 nTotal -= vValue[i].first;
1773 vfIncluded[i] = false;
1781 int64_t CWallet::GetStake() const
1785 for (map<uint256, CWalletTx>::const_iterator it = mapWallet.begin(); it != mapWallet.end(); ++it)
1787 const CWalletTx* pcoin = &(*it).second;
1788 if (pcoin->IsCoinStake() && pcoin->GetBlocksToMaturity() > 0 && pcoin->GetDepthInMainChain() > 0)
1789 nTotal += CWallet::GetCredit(*pcoin, MINE_ALL);
1794 int64_t CWallet::GetWatchOnlyStake() const
1798 for (map<uint256, CWalletTx>::const_iterator it = mapWallet.begin(); it != mapWallet.end(); ++it)
1800 const CWalletTx* pcoin = &(*it).second;
1801 if (pcoin->IsCoinStake() && pcoin->GetBlocksToMaturity() > 0 && pcoin->GetDepthInMainChain() > 0)
1802 nTotal += CWallet::GetCredit(*pcoin, MINE_WATCH_ONLY);
1807 int64_t CWallet::GetNewMint() const
1811 for (map<uint256, CWalletTx>::const_iterator it = mapWallet.begin(); it != mapWallet.end(); ++it)
1813 const CWalletTx* pcoin = &(*it).second;
1814 if (pcoin->IsCoinBase() && pcoin->GetBlocksToMaturity() > 0 && pcoin->GetDepthInMainChain() > 0)
1815 nTotal += CWallet::GetCredit(*pcoin, MINE_ALL);
1820 int64_t CWallet::GetWatchOnlyNewMint() const
1824 for (map<uint256, CWalletTx>::const_iterator it = mapWallet.begin(); it != mapWallet.end(); ++it)
1826 const CWalletTx* pcoin = &(*it).second;
1827 if (pcoin->IsCoinBase() && pcoin->GetBlocksToMaturity() > 0 && pcoin->GetDepthInMainChain() > 0)
1828 nTotal += CWallet::GetCredit(*pcoin, MINE_WATCH_ONLY);
1833 bool CWallet::SelectCoinsMinConf(int64_t nTargetValue, unsigned int nSpendTime, int nConfMine, int nConfTheirs, vector<COutput> vCoins, set<pair<const CWalletTx*,unsigned int> >& setCoinsRet, int64_t& nValueRet) const
1835 setCoinsRet.clear();
1838 // List of values less than target
1839 pair<int64_t, pair<const CWalletTx*,unsigned int> > coinLowestLarger;
1840 coinLowestLarger.first = std::numeric_limits<int64_t>::max();
1841 coinLowestLarger.second.first = NULL;
1842 vector<pair<int64_t, pair<const CWalletTx*,unsigned int> > > vValue;
1843 int64_t nTotalLower = 0;
1845 std::random_device rd;
1846 std::mt19937 g(rd());
1847 shuffle(vCoins.begin(), vCoins.end(), g);
1849 for (const COutput &output : vCoins)
1851 if (!output.fSpendable)
1854 const CWalletTx *pcoin = output.tx;
1856 if (output.nDepth < (pcoin->IsFromMe(MINE_ALL) ? nConfMine : nConfTheirs))
1861 // Follow the timestamp rules
1862 if (pcoin->nTime > nSpendTime)
1865 int64_t n = pcoin->vout[i].nValue;
1867 pair<int64_t,pair<const CWalletTx*,unsigned int> > coin = make_pair(n,make_pair(pcoin, i));
1869 if (n == nTargetValue)
1871 setCoinsRet.insert(coin.second);
1872 nValueRet += coin.first;
1875 else if (n < nTargetValue + CENT)
1877 vValue.push_back(coin);
1880 else if (n < coinLowestLarger.first)
1882 coinLowestLarger = coin;
1886 if (nTotalLower == nTargetValue)
1888 for (unsigned int i = 0; i < vValue.size(); ++i)
1890 setCoinsRet.insert(vValue[i].second);
1891 nValueRet += vValue[i].first;
1896 if (nTotalLower < nTargetValue)
1898 if (coinLowestLarger.second.first == NULL)
1900 setCoinsRet.insert(coinLowestLarger.second);
1901 nValueRet += coinLowestLarger.first;
1905 // Solve subset sum by stochastic approximation
1906 std::sort(vValue.begin(), vValue.end(), CompareValueOnly());
1907 std::reverse(vValue.begin(), vValue.end());
1908 vector<char> vfBest;
1911 ApproximateBestSubset(vValue, nTotalLower, nTargetValue, vfBest, nBest, 1000);
1912 if (nBest != nTargetValue && nTotalLower >= nTargetValue + CENT)
1913 ApproximateBestSubset(vValue, nTotalLower, nTargetValue + CENT, vfBest, nBest, 1000);
1915 // If we have a bigger coin and (either the stochastic approximation didn't find a good solution,
1916 // or the next bigger coin is closer), return the bigger coin
1917 if (coinLowestLarger.second.first &&
1918 ((nBest != nTargetValue && nBest < nTargetValue + CENT) || coinLowestLarger.first <= nBest))
1920 setCoinsRet.insert(coinLowestLarger.second);
1921 nValueRet += coinLowestLarger.first;
1924 for (unsigned int i = 0; i < vValue.size(); i++)
1927 setCoinsRet.insert(vValue[i].second);
1928 nValueRet += vValue[i].first;
1931 if (fDebug && GetBoolArg("-printpriority"))
1934 printf("SelectCoins() best subset: ");
1935 for (unsigned int i = 0; i < vValue.size(); i++)
1937 printf("%s ", FormatMoney(vValue[i].first).c_str());
1938 printf("total %s\n", FormatMoney(nBest).c_str());
1945 bool CWallet::SelectCoins(int64_t nTargetValue, unsigned int nSpendTime, set<pair<const CWalletTx*,unsigned int> >& setCoinsRet, int64_t& nValueRet, const CCoinControl* coinControl) const
1947 vector<COutput> vCoins;
1948 AvailableCoins(vCoins, true, coinControl);
1950 // coin control -> return all selected outputs (we want all selected to go into the transaction for sure)
1951 if (coinControl && coinControl->HasSelected())
1953 for (const COutput& out : vCoins)
1957 nValueRet += out.tx->vout[out.i].nValue;
1958 setCoinsRet.insert(make_pair(out.tx, out.i));
1960 return (nValueRet >= nTargetValue);
1963 return (SelectCoinsMinConf(nTargetValue, nSpendTime, 1, 6, vCoins, setCoinsRet, nValueRet) ||
1964 SelectCoinsMinConf(nTargetValue, nSpendTime, 1, 1, vCoins, setCoinsRet, nValueRet) ||
1965 SelectCoinsMinConf(nTargetValue, nSpendTime, 0, 1, vCoins, setCoinsRet, nValueRet));
1973 CWallet::CWallet(std::string strWalletFileIn)
1977 strWalletFile = strWalletFileIn;
1981 void CWallet::SetNull()
1983 nWalletVersion = FEATURE_BASE;
1984 nWalletMaxVersion = FEATURE_BASE;
1985 fFileBacked = false;
1986 nMasterKeyMaxID = 0;
1987 pwalletdbEncryption = NULL;
1988 pwalletdbDecryption = NULL;
1997 // Select some coins without random shuffle or best subset approximation
1998 bool CWallet::SelectCoinsSimple(int64_t nTargetValue, int64_t nMinValue, int64_t nMaxValue, unsigned int nSpendTime, int nMinConf, set<pair<const CWalletTx*,unsigned int> >& setCoinsRet, int64_t& nValueRet) const
2000 vector<COutput> vCoins;
2001 AvailableCoinsMinConf(vCoins, nMinConf, nMinValue, nMaxValue);
2003 setCoinsRet.clear();
2006 for (COutput output : vCoins)
2008 if(!output.fSpendable)
2010 const CWalletTx *pcoin = output.tx;
2013 // Ignore immature coins
2014 if (pcoin->GetBlocksToMaturity() > 0)
2017 // Stop if we've chosen enough inputs
2018 if (nValueRet >= nTargetValue)
2021 // Follow the timestamp rules
2022 if (pcoin->nTime > nSpendTime)
2025 int64_t n = pcoin->vout[i].nValue;
2027 pair<int64_t,pair<const CWalletTx*,unsigned int> > coin = make_pair(n,make_pair(pcoin, i));
2029 if (n >= nTargetValue)
2031 // If input value is greater or equal to target then simply insert
2032 // it into the current subset and exit
2033 setCoinsRet.insert(coin.second);
2034 nValueRet += coin.first;
2037 else if (n < nTargetValue + CENT)
2039 setCoinsRet.insert(coin.second);
2040 nValueRet += coin.first;
2047 bool CWallet::CreateTransaction(const vector<pair<CScript, int64_t> >& vecSend, CWalletTx& wtxNew, CReserveKey& reservekey, int64_t& nFeeRet, const CCoinControl* coinControl)
2050 for (const auto& s : vecSend)
2056 if (vecSend.empty() || nValue < 0)
2059 wtxNew.BindWallet(this);
2062 LOCK2(cs_main, cs_wallet);
2063 // txdb must be opened before the mapWallet lock
2066 nFeeRet = nTransactionFee;
2070 wtxNew.vout.clear();
2071 wtxNew.fFromMe = true;
2073 int64_t nTotalValue = nValue + nFeeRet;
2074 double dPriority = 0;
2075 // vouts to the payees
2076 for (const auto& s : vecSend)
2077 wtxNew.vout.push_back(CTxOut(s.second, s.first));
2079 // Choose coins to use
2080 set<pair<const CWalletTx*,unsigned int> > setCoins;
2081 int64_t nValueIn = 0;
2082 if (!SelectCoins(nTotalValue, wtxNew.nTime, setCoins, nValueIn, coinControl))
2084 for (auto pcoin : setCoins)
2086 int64_t nCredit = pcoin.first->vout[pcoin.second].nValue;
2087 dPriority += (double)nCredit * pcoin.first->GetDepthInMainChain();
2090 int64_t nChange = nValueIn - nValue - nFeeRet;
2093 // Fill a vout to ourself
2094 // TODO: pass in scriptChange instead of reservekey so
2095 // change transaction isn't always pay-to-bitcoin-address
2096 CScript scriptChange;
2098 // coin control: send change to custom address
2099 if (coinControl && coinControl->destChange.IsValid())
2100 scriptChange.SetAddress(coinControl->destChange);
2102 // no coin control: send change to newly generated address
2105 // Note: We use a new key here to keep it from being obvious which side is the change.
2106 // The drawback is that by not reusing a previous key, the change may be lost if a
2107 // backup is restored, if the backup doesn't have the new private key for the change.
2108 // If we reused the old key, it would be possible to add code to look for and
2109 // rediscover unknown transactions that were written with keys of ours to recover
2110 // post-backup change.
2112 // Reserve a new key pair from key pool
2113 CPubKey vchPubKey = reservekey.GetReservedKey();
2115 scriptChange.SetDestination(vchPubKey.GetID());
2118 // Insert change txn at random position:
2119 vector<CTxOut>::iterator position = wtxNew.vout.begin()+GetRandInt(wtxNew.vout.size());
2120 wtxNew.vout.insert(position, CTxOut(nChange, scriptChange));
2123 reservekey.ReturnKey();
2126 for (const auto& coin : setCoins)
2127 wtxNew.vin.push_back(CTxIn(coin.first->GetHash(),coin.second));
2131 for (const auto& coin : setCoins)
2132 if (!SignSignature(*this, *coin.first, wtxNew, nIn++))
2136 unsigned int nBytes = ::GetSerializeSize(*(CTransaction*)&wtxNew, SER_NETWORK, PROTOCOL_VERSION);
2137 if (nBytes >= MAX_BLOCK_SIZE_GEN/5)
2139 dPriority /= nBytes;
2141 // Check that enough fee is included
2142 bool fAllowFree = CTransaction::AllowFree(dPriority);
2143 int64_t nPayFee = nTransactionFee * (1 + (int64_t)nBytes / 1000);
2144 int64_t nMinFee = wtxNew.GetMinFee(1, fAllowFree, GMF_SEND, nBytes);
2146 if (nFeeRet < max(nPayFee, nMinFee))
2148 nFeeRet = max(nPayFee, nMinFee);
2152 // Fill vtxPrev by copying from previous transactions vtxPrev
2153 wtxNew.AddSupportingTransactions(txdb);
2154 wtxNew.fTimeReceivedIsTxTime = true;
2163 bool CWallet::CreateTransaction(CScript scriptPubKey, int64_t nValue, CWalletTx& wtxNew, CReserveKey& reservekey, int64_t& nFeeRet, const CCoinControl* coinControl)
2165 vector< pair<CScript, int64_t> > vecSend;
2166 vecSend.push_back(make_pair(scriptPubKey, nValue));
2167 return CreateTransaction(vecSend, wtxNew, reservekey, nFeeRet, coinControl);
2170 void CWallet::GetStakeWeightFromValue(const int64_t& nTime, const int64_t& nValue, uint64_t& nWeight)
2172 int64_t nTimeWeight = GetWeight(nTime, GetTime());
2174 // If time weight is lower or equal to zero then weight is zero.
2175 if (nTimeWeight <= 0)
2181 CBigNum bnCoinDayWeight = CBigNum(nValue) * nTimeWeight / COIN / nOneDay;
2182 nWeight = bnCoinDayWeight.getuint64();
2185 bool CWallet::MergeCoins(const int64_t& nAmount, const int64_t& nMinValue, const int64_t& nOutputValue, list<uint256>& listMerged)
2187 int64_t nBalance = GetBalance();
2189 if (nAmount > nBalance)
2193 int64_t nValueIn = 0;
2194 set<pair<const CWalletTx*,unsigned int> > setCoins;
2196 // Simple coins selection - no randomization
2197 if (!SelectCoinsSimple(nAmount, nMinValue, nOutputValue, GetTime(), 1, setCoins, nValueIn))
2200 if (setCoins.empty())
2204 vector<const CWalletTx*> vwtxPrev;
2206 // Reserve a new key pair from key pool
2207 CReserveKey reservekey(this);
2208 CPubKey vchPubKey = reservekey.GetReservedKey();
2211 CScript scriptOutput;
2212 scriptOutput.SetDestination(vchPubKey.GetID());
2215 wtxNew.vout.push_back(CTxOut(0, scriptOutput));
2218 for (auto pcoin : setCoins)
2220 int64_t nCredit = pcoin.first->vout[pcoin.second].nValue;
2222 // Add current coin to inputs list and add its credit to transaction output
2223 wtxNew.vin.push_back(CTxIn(pcoin.first->GetHash(), pcoin.second));
2224 wtxNew.vout[0].nValue += nCredit;
2225 vwtxPrev.push_back(pcoin.first);
2228 // Replaced with estimation for performance purposes
2230 for (unsigned int i = 0; i < wtxNew.vin.size(); i++) {
2231 const CWalletTx *txin = vwtxPrev[i];
2233 // Sign scripts to get actual transaction size for fee calculation
2234 if (!SignSignature(*this, *txin, wtxNew, i))
2239 // Assuming that average scriptsig size is 110 bytes
2240 int64_t nBytes = ::GetSerializeSize(*(CTransaction*)&wtxNew, SER_NETWORK, PROTOCOL_VERSION) + wtxNew.vin.size() * 110;
2241 dWeight += (double)nCredit * pcoin.first->GetDepthInMainChain();
2243 double dFinalPriority = dWeight /= nBytes;
2244 bool fAllowFree = CTransaction::AllowFree(dFinalPriority);
2246 // Get actual transaction fee according to its estimated size and priority
2247 int64_t nMinFee = wtxNew.GetMinFee(1, fAllowFree, GMF_SEND, nBytes);
2249 // Prepare transaction for commit if sum is enough ot its size is too big
2250 if (nBytes >= MAX_BLOCK_SIZE_GEN/6 || wtxNew.vout[0].nValue >= nOutputValue)
2252 wtxNew.vout[0].nValue -= nMinFee; // Set actual fee
2254 for (unsigned int i = 0; i < wtxNew.vin.size(); i++) {
2255 const CWalletTx *txin = vwtxPrev[i];
2258 if (!SignSignature(*this, *txin, wtxNew, i))
2262 // Try to commit, return false on failure
2263 if (!CommitTransaction(wtxNew, reservekey))
2266 listMerged.push_back(wtxNew.GetHash()); // Add to hashes list
2268 dWeight = 0; // Reset all temporary values
2271 wtxNew.vout.push_back(CTxOut(0, scriptOutput));
2275 // Create transactions if there are some unhandled coins left
2276 if (wtxNew.vout[0].nValue > 0) {
2277 int64_t nBytes = ::GetSerializeSize(*(CTransaction*)&wtxNew, SER_NETWORK, PROTOCOL_VERSION) + wtxNew.vin.size() * 110;
2279 double dFinalPriority = dWeight / nBytes;
2280 bool fAllowFree = CTransaction::AllowFree(dFinalPriority);
2282 // Get actual transaction fee according to its size and priority
2283 int64_t nMinFee = wtxNew.GetMinFee(1, fAllowFree, GMF_SEND, nBytes);
2285 wtxNew.vout[0].nValue -= nMinFee; // Set actual fee
2287 if (wtxNew.vout[0].nValue <= 0)
2290 for (unsigned int i = 0; i < wtxNew.vin.size(); i++) {
2291 const CWalletTx *txin = vwtxPrev[i];
2293 // Sign all scripts again
2294 if (!SignSignature(*this, *txin, wtxNew, i))
2298 // Try to commit, return false on failure
2299 if (!CommitTransaction(wtxNew, reservekey))
2302 listMerged.push_back(wtxNew.GetHash()); // Add to hashes list
2308 bool CWallet::CreateCoinStake(uint256 &hashTx, uint32_t nOut, uint32_t nGenerationTime, uint32_t nBits, CTransaction &txNew, CKey& key)
2311 if (!GetTransaction(hashTx, wtx))
2312 return error("Transaction %s is not found\n", hashTx.GetHex().c_str());
2314 vector<valtype> vSolutions;
2315 txnouttype whichType;
2316 CScript scriptPubKeyOut;
2317 CScript scriptPubKeyKernel = wtx.vout[nOut].scriptPubKey;
2318 if (!Solver(scriptPubKeyKernel, whichType, vSolutions))
2319 return error("CreateCoinStake : failed to parse kernel\n");
2321 if (fDebug && GetBoolArg("-printcoinstake"))
2322 printf("CreateCoinStake : parsed kernel type=%d\n", whichType);
2324 if (whichType != TX_PUBKEY && whichType != TX_PUBKEYHASH)
2325 return error("CreateCoinStake : no support for kernel type=%d\n", whichType);
2327 if (whichType == TX_PUBKEYHASH) // pay to address type
2329 // convert to pay to public key type
2330 if (!GetKey(uint160(vSolutions[0]), key))
2331 return error("CreateCoinStake : failed to get key for kernel type=%d\n", whichType);
2333 scriptPubKeyOut << key.GetPubKey() << OP_CHECKSIG;
2335 if (whichType == TX_PUBKEY)
2337 valtype& vchPubKey = vSolutions[0];
2338 if (!GetKey(Hash160(vchPubKey), key))
2339 return error("CreateCoinStake : failed to get key for kernel type=%d\n", whichType);
2340 if (key.GetPubKey() != vchPubKey)
2341 return error("CreateCoinStake : invalid key for kernel type=%d\n", whichType); // keys mismatch
2342 scriptPubKeyOut = scriptPubKeyKernel;
2345 // The following combine threshold is important to security
2346 // Should not be adjusted if you don't understand the consequences
2347 int64_t nCombineThreshold = GetProofOfWorkReward(GetLastBlockIndex(pindexBest, false)->nBits) / 3;
2349 int64_t nBalance = GetBalance();
2350 int64_t nCredit = wtx.vout[nOut].nValue;
2355 // List of constake dependencies
2356 vector<const CWalletTx*> vwtxPrev;
2357 vwtxPrev.push_back(&wtx);
2359 // Set generation time, and kernel input
2360 txNew.nTime = nGenerationTime;
2361 txNew.vin.push_back(CTxIn(hashTx, nOut));
2363 // Mark coin stake transaction with empty vout[0]
2364 CScript scriptEmpty;
2365 scriptEmpty.clear();
2366 txNew.vout.push_back(CTxOut(0, scriptEmpty));
2368 if (fDebug && GetBoolArg("-printcoinstake"))
2369 printf("CreateCoinStake : added kernel type=%d\n", whichType);
2371 int64_t nValueIn = 0;
2373 if (!SelectCoinsSimple(nBalance - nReserveBalance, MIN_TX_FEE, MAX_MONEY, nGenerationTime, nCoinbaseMaturity * 10, setCoins, nValueIn))
2376 if (setCoins.empty())
2379 bool fDontSplitCoins = false;
2380 if (GetWeight((int64_t)wtx.nTime, (int64_t)nGenerationTime) == nStakeMaxAge)
2382 // Only one output for old kernel inputs
2383 txNew.vout.push_back(CTxOut(0, scriptPubKeyOut));
2385 // Iterate through set of (wtx*, nout) in order to find some additional inputs for our new coinstake transaction.
2387 // * Value is higher than 0.01 NVC;
2388 // * Only add inputs of the same key/address as kernel;
2389 // * Input hash and kernel parent hash should be different.
2390 for(CoinsSet::iterator pcoin = setCoins.begin(); pcoin != setCoins.end(); pcoin++)
2392 // Stop adding more inputs if already too many inputs
2393 if (txNew.vin.size() >= 100)
2395 // Stop adding more inputs if value is already pretty significant
2396 if (nCredit > nCombineThreshold)
2398 // Stop adding inputs if reached reserve limit
2399 if (nCredit + pcoin->first->vout[pcoin->second].nValue > nBalance - nReserveBalance)
2402 int64_t nTimeWeight = GetWeight((int64_t)pcoin->first->nTime, (int64_t)nGenerationTime);
2404 // Do not add input that is still too young
2405 if (nTimeWeight < nStakeMaxAge)
2407 // Do not add input if key/address is not the same as kernel
2408 if (pcoin->first->vout[pcoin->second].scriptPubKey != scriptPubKeyKernel && pcoin->first->vout[pcoin->second].scriptPubKey != txNew.vout[1].scriptPubKey)
2410 // Do not add input if parents are the same
2411 if (pcoin->first->GetHash() != txNew.vin[0].prevout.hash)
2413 // Do not add additional significant input
2414 if (pcoin->first->vout[pcoin->second].nValue > nCombineThreshold)
2417 txNew.vin.push_back(CTxIn(pcoin->first->GetHash(), pcoin->second));
2418 nCredit += pcoin->first->vout[pcoin->second].nValue;
2419 vwtxPrev.push_back(pcoin->first);
2422 fDontSplitCoins = true;
2426 int64_t nSplitThreshold = GetArg("-splitthreshold", nCombineThreshold);
2428 if (fDebug && GetBoolArg("-printcoinstake"))
2429 printf("CreateCoinStake : nSplitThreshold=%" PRId64 "\n", nSplitThreshold);
2431 if (nCredit > nSplitThreshold)
2433 // Split stake input if credit is lower than combine threshold and maximum weight isn't reached yet
2434 txNew.vout.push_back(CTxOut(0, scriptPubKeyOut));
2435 txNew.vout.push_back(CTxOut(0, scriptPubKeyOut));
2437 if (fDebug && GetBoolArg("-printcoinstake"))
2438 printf("CreateCoinStake : splitting coinstake\n");
2442 txNew.vout.push_back(CTxOut(0, scriptPubKeyOut));
2443 fDontSplitCoins = true;
2447 // Calculate coin age reward
2450 if (!txNew.GetCoinAge(txdb, nCoinAge))
2451 return error("CreateCoinStake : failed to calculate coin age\n");
2452 nCredit += GetProofOfStakeReward(nCoinAge, nBits, nGenerationTime);
2454 int64_t nMinFee = 0;
2457 // Set output amount
2458 if (fDontSplitCoins)
2459 txNew.vout[1].nValue = nCredit - nMinFee;
2462 txNew.vout[1].nValue = ((nCredit - nMinFee) / 2 / CENT) * CENT;
2463 txNew.vout[2].nValue = nCredit - nMinFee - txNew.vout[1].nValue;
2468 for (const CWalletTx* pcoin : vwtxPrev)
2470 if (!SignSignature(*this, *pcoin, txNew, nIn++))
2471 return error("CreateCoinStake : failed to sign coinstake\n");
2475 unsigned int nBytes = ::GetSerializeSize(txNew, SER_NETWORK, PROTOCOL_VERSION);
2476 if (nBytes >= MAX_BLOCK_SIZE_GEN/5)
2477 return error("CreateCoinStake : exceeded coinstake size limit\n");
2479 // Check enough fee is paid
2480 if (nMinFee < txNew.GetMinFee(1, false, GMF_BLOCK, nBytes) - CENT)
2482 nMinFee = txNew.GetMinFee(1, false, GMF_BLOCK, nBytes) - CENT;
2483 continue; // try signing again
2487 if (fDebug && GetBoolArg("-printfee"))
2488 printf("CreateCoinStake : fee for coinstake %s\n", FormatMoney(nMinFee).c_str());
2493 // Successfully created coinstake
2497 // Call after CreateTransaction unless you want to abort
2498 bool CWallet::CommitTransaction(CWalletTx& wtxNew, CReserveKey& reservekey)
2501 printf("CommitTransaction:\n%s", wtxNew.ToString().c_str());
2503 // Track how many getdata requests our transaction gets
2504 mapRequestCount[wtxNew.GetHash()] = 0;
2506 // Try to broadcast before saving
2507 if (!wtxNew.AcceptToMemoryPool())
2509 // This must not fail. The transaction has already been signed.
2510 printf("CommitTransaction() : Error: Transaction not valid");
2514 wtxNew.RelayWalletTransaction();
2517 LOCK2(cs_main, cs_wallet);
2519 // This is only to keep the database open to defeat the auto-flush for the
2520 // duration of this scope. This is the only place where this optimization
2521 // maybe makes sense; please don't do it anywhere else.
2522 CWalletDB* pwalletdb = fFileBacked ? new CWalletDB(strWalletFile,"r") : NULL;
2524 // Take key pair from key pool so it won't be used again
2525 reservekey.KeepKey();
2527 // Add tx to wallet, because if it has change it's also ours,
2528 // otherwise just for transaction history.
2529 AddToWallet(wtxNew);
2531 // Mark old coins as spent
2532 for (const CTxIn& txin : wtxNew.vin)
2534 CWalletTx &coin = mapWallet[txin.prevout.hash];
2535 coin.BindWallet(this);
2536 coin.MarkSpent(txin.prevout.n);
2538 NotifyTransactionChanged(this, coin.GetHash(), CT_UPDATED);
2539 vMintingWalletUpdated.push_back(coin.GetHash());
2552 string CWallet::SendMoney(CScript scriptPubKey, int64_t nValue, CWalletTx& wtxNew, bool fAskFee)
2556 return _("Invalid amount");
2557 if (nValue + nTransactionFee > GetBalance())
2558 return _("Insufficient funds");
2560 CReserveKey reservekey(this);
2561 int64_t nFeeRequired;
2565 string strError = _("Error: Wallet locked, unable to create transaction ");
2566 printf("SendMoney() : %s", strError.c_str());
2569 if (fWalletUnlockMintOnly)
2571 string strError = _("Error: Wallet unlocked for block minting only, unable to create transaction.");
2572 printf("SendMoney() : %s", strError.c_str());
2575 if (!CreateTransaction(scriptPubKey, nValue, wtxNew, reservekey, nFeeRequired))
2578 if (nValue + nFeeRequired > GetBalance())
2579 strError = strprintf(_("Error: This transaction requires a transaction fee of at least %s because of its amount, complexity, or use of recently received funds "), FormatMoney(nFeeRequired).c_str());
2581 strError = _("Error: Transaction creation failed ");
2582 printf("SendMoney() : %s", strError.c_str());
2586 if (fAskFee && !uiInterface.ThreadSafeAskFee(nFeeRequired, _("Sending...")))
2589 if (!CommitTransaction(wtxNew, reservekey))
2590 return _("Error: The transaction was rejected. This might happen if some of the coins in your wallet were already spent, such as if you used a copy of wallet.dat and coins were spent in the copy but not marked as spent here.");
2595 DBErrors CWallet::LoadWallet(bool& fFirstRunRet)
2599 fFirstRunRet = false;
2600 DBErrors nLoadWalletRet = CWalletDB(strWalletFile,"cr+").LoadWallet(this);
2601 if (nLoadWalletRet == DB_NEED_REWRITE)
2603 if (CDB::Rewrite(strWalletFile, "\x04pool"))
2606 // Note: can't top-up keypool here, because wallet is locked.
2607 // User will be prompted to unlock wallet the next operation
2608 // the requires a new key.
2612 if (nLoadWalletRet != DB_LOAD_OK)
2613 return nLoadWalletRet;
2614 fFirstRunRet = !vchDefaultKey.IsValid();
2616 NewThread(ThreadFlushWalletDB, &strWalletFile);
2620 DBErrors CWallet::ZapWalletTx()
2624 DBErrors nZapWalletTxRet = CWalletDB(strWalletFile,"cr+").ZapWalletTx(this);
2625 if (nZapWalletTxRet == DB_NEED_REWRITE)
2627 if (CDB::Rewrite(strWalletFile, "\x04pool"))
2631 // Note: can't top-up keypool here, because wallet is locked.
2632 // User will be prompted to unlock wallet the next operation
2633 // the requires a new key.
2637 if (nZapWalletTxRet != DB_LOAD_OK)
2638 return nZapWalletTxRet;
2643 bool CWallet::SetAddressBookName(const CTxDestination& address, const string& strName)
2645 return SetAddressBookName(CBitcoinAddress(address), strName);
2648 bool CWallet::SetAddressBookName(const CBitcoinAddress& address, const string& strName)
2650 std::map<CBitcoinAddress, string>::iterator mi = mapAddressBook.find(address);
2651 mapAddressBook[address] = strName;
2652 NotifyAddressBookChanged(this, address, strName, ::IsMine(*this, address) != MINE_NO, (mi == mapAddressBook.end()) ? CT_NEW : CT_UPDATED);
2655 return CWalletDB(strWalletFile).WriteName(address.ToString(), strName);
2658 bool CWallet::DelAddressBookName(const CBitcoinAddress& address)
2660 mapAddressBook.erase(address);
2661 NotifyAddressBookChanged(this, address, "", ::IsMine(*this, address) != MINE_NO, CT_DELETED);
2664 return CWalletDB(strWalletFile).EraseName(address.ToString());
2668 void CWallet::PrintWallet(const CBlock& block)
2672 if (block.IsProofOfStake() && mapWallet.count(block.vtx[1].GetHash()))
2674 CWalletTx& wtx = mapWallet[block.vtx[1].GetHash()];
2675 printf(" PoS: %d %d %" PRId64 "", wtx.GetDepthInMainChain(), wtx.GetBlocksToMaturity(), wtx.GetCredit(MINE_ALL));
2677 else if (mapWallet.count(block.vtx[0].GetHash()))
2679 CWalletTx& wtx = mapWallet[block.vtx[0].GetHash()];
2680 printf(" PoW: %d %d %" PRId64 "", wtx.GetDepthInMainChain(), wtx.GetBlocksToMaturity(), wtx.GetCredit(MINE_ALL));
2686 void CWallet::Inventory(const uint256 &hash)
2690 std::map<uint256, int>::iterator mi = mapRequestCount.find(hash);
2691 if (mi != mapRequestCount.end())
2696 unsigned int CWallet::GetKeyPoolSize()
2698 return (unsigned int)(setKeyPool.size());
2701 bool CWallet::GetTransaction(const uint256 &hashTx, CWalletTx& wtx)
2705 map<uint256, CWalletTx>::iterator mi = mapWallet.find(hashTx);
2706 if (mi != mapWallet.end())
2715 bool CWallet::SetDefaultKey(const CPubKey &vchPubKey)
2719 if (!CWalletDB(strWalletFile).WriteDefaultKey(vchPubKey))
2722 vchDefaultKey = vchPubKey;
2726 bool GetWalletFile(CWallet* pwallet, string &strWalletFileOut)
2728 if (!pwallet->fFileBacked)
2730 strWalletFileOut = pwallet->strWalletFile;
2735 // Mark old keypool keys as used,
2736 // and generate all new keys
2738 bool CWallet::NewKeyPool(unsigned int nSize)
2742 CWalletDB walletdb(strWalletFile);
2743 for (int64_t nIndex : setKeyPool)
2744 walletdb.ErasePool(nIndex);
2754 nKeys = max<uint64_t>(GetArg("-keypool", 100), 0);
2756 for (uint64_t i = 0; i < nKeys; i++)
2758 uint64_t nIndex = i+1;
2759 walletdb.WritePool(nIndex, CKeyPool(GenerateNewKey()));
2760 setKeyPool.insert(nIndex);
2762 printf("CWallet::NewKeyPool wrote %" PRIu64 " new keys\n", nKeys);
2767 bool CWallet::TopUpKeyPool(unsigned int nSize)
2775 CWalletDB walletdb(strWalletFile);
2778 uint64_t nTargetSize;
2780 nTargetSize = nSize;
2782 nTargetSize = max<uint64_t>(GetArg("-keypool", 100), 0);
2784 while (setKeyPool.size() < (nTargetSize + 1))
2787 if (!setKeyPool.empty())
2788 nEnd = *(--setKeyPool.end()) + 1;
2789 if (!walletdb.WritePool(nEnd, CKeyPool(GenerateNewKey())))
2790 throw runtime_error("TopUpKeyPool() : writing generated key failed");
2791 setKeyPool.insert(nEnd);
2792 printf("keypool added key %" PRIu64 ", size=%" PRIszu "\n", nEnd, setKeyPool.size());
2798 void CWallet::ReserveKeyFromKeyPool(int64_t& nIndex, CKeyPool& keypool)
2801 keypool.vchPubKey = CPubKey();
2808 // Get the oldest key
2809 if(setKeyPool.empty())
2812 CWalletDB walletdb(strWalletFile);
2814 nIndex = *(setKeyPool.begin());
2815 setKeyPool.erase(setKeyPool.begin());
2816 if (!walletdb.ReadPool(nIndex, keypool))
2817 throw runtime_error("ReserveKeyFromKeyPool() : read failed");
2818 if (!HaveKey(keypool.vchPubKey.GetID()))
2819 throw runtime_error("ReserveKeyFromKeyPool() : unknown key in key pool");
2820 assert(keypool.vchPubKey.IsValid());
2821 if (fDebug && GetBoolArg("-printkeypool"))
2822 printf("keypool reserve %" PRId64 "\n", nIndex);
2826 int64_t CWallet::AddReserveKey(const CKeyPool& keypool)
2829 LOCK2(cs_main, cs_wallet);
2830 CWalletDB walletdb(strWalletFile);
2832 int64_t nIndex = 1 + *(--setKeyPool.end());
2833 if (!walletdb.WritePool(nIndex, keypool))
2834 throw runtime_error("AddReserveKey() : writing added key failed");
2835 setKeyPool.insert(nIndex);
2841 void CWallet::KeepKey(int64_t nIndex)
2843 // Remove from key pool
2846 CWalletDB walletdb(strWalletFile);
2847 walletdb.ErasePool(nIndex);
2850 printf("keypool keep %" PRId64 "\n", nIndex);
2853 void CWallet::ReturnKey(int64_t nIndex)
2855 // Return to key pool
2858 setKeyPool.insert(nIndex);
2861 printf("keypool return %" PRId64 "\n", nIndex);
2864 bool CWallet::GetKeyFromPool(CPubKey& result, bool fAllowReuse)
2870 ReserveKeyFromKeyPool(nIndex, keypool);
2873 if (fAllowReuse && vchDefaultKey.IsValid())
2875 result = vchDefaultKey;
2878 if (IsLocked()) return false;
2879 result = GenerateNewKey();
2883 result = keypool.vchPubKey;
2888 int64_t CWallet::GetOldestKeyPoolTime()
2892 ReserveKeyFromKeyPool(nIndex, keypool);
2896 return keypool.nTime;
2899 std::map<CBitcoinAddress, int64_t> CWallet::GetAddressBalances()
2901 map<CBitcoinAddress, int64_t> balances;
2905 for (auto walletEntry : mapWallet)
2907 CWalletTx *pcoin = &walletEntry.second;
2909 if (!pcoin->IsFinal() || !pcoin->IsTrusted())
2912 if ((pcoin->IsCoinBase() || pcoin->IsCoinStake()) && pcoin->GetBlocksToMaturity() > 0)
2915 int nDepth = pcoin->GetDepthInMainChain();
2916 if (nDepth < (pcoin->IsFromMe(MINE_ALL) ? 0 : 1))
2919 for (unsigned int i = 0; i < pcoin->vout.size(); i++)
2921 CBitcoinAddress addr;
2922 if (!IsMine(pcoin->vout[i]))
2924 if(!ExtractAddress(*this, pcoin->vout[i].scriptPubKey, addr))
2927 int64_t n = pcoin->IsSpent(i) ? 0 : pcoin->vout[i].nValue;
2929 if (!balances.count(addr))
2931 balances[addr] += n;
2939 set< set<CBitcoinAddress> > CWallet::GetAddressGroupings()
2941 set< set<CBitcoinAddress> > groupings;
2942 set<CBitcoinAddress> grouping;
2944 for (auto& walletEntry : mapWallet)
2946 CWalletTx *pcoin = &walletEntry.second;
2948 if (pcoin->vin.size() > 0)
2950 bool any_mine = false;
2951 // group all input addresses with each other
2952 for (CTxIn txin : pcoin->vin)
2954 CBitcoinAddress address;
2955 if(!IsMine(txin)) // If this input isn't mine, ignore it
2957 if(!ExtractAddress(*this, mapWallet[txin.prevout.hash].vout[txin.prevout.n].scriptPubKey, address))
2959 grouping.insert(address);
2963 // group change with input addresses
2966 for (CTxOut txout : pcoin->vout)
2967 if (IsChange(txout))
2969 CBitcoinAddress txoutAddr;
2970 if(!ExtractAddress(*this, txout.scriptPubKey, txoutAddr))
2972 grouping.insert(txoutAddr);
2975 if (!grouping.empty())
2977 groupings.insert(grouping);
2982 // group lone addrs by themselves
2983 for (unsigned int i = 0; i < pcoin->vout.size(); i++)
2984 if (IsMine(pcoin->vout[i]))
2986 CBitcoinAddress address;
2987 if(!ExtractAddress(*this, pcoin->vout[i].scriptPubKey, address))
2989 grouping.insert(address);
2990 groupings.insert(grouping);
2995 set< set<CBitcoinAddress>* > uniqueGroupings; // a set of pointers to groups of addresses
2996 map< CBitcoinAddress, set<CBitcoinAddress>* > setmap; // map addresses to the unique group containing it
2997 for (set<CBitcoinAddress> grouping : groupings)
2999 // make a set of all the groups hit by this new group
3000 set< set<CBitcoinAddress>* > hits;
3001 map< CBitcoinAddress, set<CBitcoinAddress>* >::iterator it;
3002 for (CBitcoinAddress address : grouping)
3003 if ((it = setmap.find(address)) != setmap.end())
3004 hits.insert((*it).second);
3006 // merge all hit groups into a new single group and delete old groups
3007 set<CBitcoinAddress>* merged = new set<CBitcoinAddress>(grouping);
3008 for (set<CBitcoinAddress>* hit : hits)
3010 merged->insert(hit->begin(), hit->end());
3011 uniqueGroupings.erase(hit);
3014 uniqueGroupings.insert(merged);
3017 for (CBitcoinAddress element : *merged)
3018 setmap[element] = merged;
3021 set< set<CBitcoinAddress> > ret;
3022 for (set<CBitcoinAddress>* uniqueGrouping : uniqueGroupings)
3024 ret.insert(*uniqueGrouping);
3025 delete uniqueGrouping;
3031 // ppcoin: check 'spent' consistency between wallet and txindex
3032 // ppcoin: fix wallet spent state according to txindex
3033 void CWallet::FixSpentCoins(int& nMismatchFound, int64_t& nBalanceInQuestion, bool fCheckOnly)
3036 nBalanceInQuestion = 0;
3039 vector<CWalletTx*> vCoins;
3040 vCoins.reserve(mapWallet.size());
3041 for (map<uint256, CWalletTx>::iterator it = mapWallet.begin(); it != mapWallet.end(); ++it)
3042 vCoins.push_back(&(*it).second);
3045 for (CWalletTx* pcoin : vCoins)
3047 // Find the corresponding transaction index
3049 if (!txdb.ReadTxIndex(pcoin->GetHash(), txindex))
3051 for (unsigned int n=0; n < pcoin->vout.size(); n++)
3053 if (IsMine(pcoin->vout[n]) && pcoin->IsSpent(n) && (txindex.vSpent.size() <= n || txindex.vSpent[n].IsNull()))
3055 printf("FixSpentCoins found lost coin %sppc %s[%u], %s\n",
3056 FormatMoney(pcoin->vout[n].nValue).c_str(), pcoin->GetHash().ToString().c_str(), n, fCheckOnly? "repair not attempted" : "repairing");
3058 nBalanceInQuestion += pcoin->vout[n].nValue;
3061 pcoin->MarkUnspent(n);
3062 pcoin->WriteToDisk();
3065 else if (IsMine(pcoin->vout[n]) && !pcoin->IsSpent(n) && (txindex.vSpent.size() > n && !txindex.vSpent[n].IsNull()))
3067 printf("FixSpentCoins found spent coin %sppc %s[%u], %s\n",
3068 FormatMoney(pcoin->vout[n].nValue).c_str(), pcoin->GetHash().ToString().c_str(), n, fCheckOnly? "repair not attempted" : "repairing");
3070 nBalanceInQuestion += pcoin->vout[n].nValue;
3073 pcoin->MarkSpent(n);
3074 pcoin->WriteToDisk();
3080 if(IsMine((CTransaction)*pcoin) && (pcoin->IsCoinBase() || pcoin->IsCoinStake()) && pcoin->GetDepthInMainChain() == 0)
3082 printf("FixSpentCoins %s tx %s\n", fCheckOnly ? "found" : "removed", pcoin->GetHash().ToString().c_str());
3085 EraseFromWallet(pcoin->GetHash());
3091 // ppcoin: disable transaction (only for coinstake)
3092 void CWallet::DisableTransaction(const CTransaction &tx)
3094 if (!tx.IsCoinStake() || !IsFromMe(tx))
3095 return; // only disconnecting coinstake requires marking input unspent
3098 for (const CTxIn& txin : tx.vin)
3100 map<uint256, CWalletTx>::iterator mi = mapWallet.find(txin.prevout.hash);
3101 if (mi != mapWallet.end())
3103 CWalletTx& prev = (*mi).second;
3104 if (txin.prevout.n < prev.vout.size() && IsMine(prev.vout[txin.prevout.n]))
3106 prev.MarkUnspent(txin.prevout.n);
3113 CPubKey CReserveKey::GetReservedKey()
3118 pwallet->ReserveKeyFromKeyPool(nIndex, keypool);
3120 vchPubKey = keypool.vchPubKey;
3123 printf("CReserveKey::GetReservedKey(): Warning: Using default key instead of a new key, top up your keypool!");
3124 vchPubKey = pwallet->vchDefaultKey;
3127 assert(vchPubKey.IsValid());
3131 void CReserveKey::KeepKey()
3134 pwallet->KeepKey(nIndex);
3136 vchPubKey = CPubKey();
3139 CReserveKey::CReserveKey(CWallet *pwalletIn)
3142 pwallet = pwalletIn;
3145 CReserveKey::~CReserveKey()
3151 void CReserveKey::ReturnKey()
3154 pwallet->ReturnKey(nIndex);
3156 vchPubKey = CPubKey();
3159 void CWallet::GetAllReserveKeys(set<CKeyID>& setAddress) const
3163 CWalletDB walletdb(strWalletFile);
3165 LOCK2(cs_main, cs_wallet);
3166 for (const int64_t& id : setKeyPool)
3169 if (!walletdb.ReadPool(id, keypool))
3170 throw runtime_error("GetAllReserveKeyHashes() : read failed");
3171 assert(keypool.vchPubKey.IsValid());
3172 CKeyID keyID = keypool.vchPubKey.GetID();
3173 if (!HaveKey(keyID))
3174 throw runtime_error("GetAllReserveKeyHashes() : unknown key in key pool");
3175 setAddress.insert(keyID);
3179 void CWallet::UpdatedTransaction(const uint256 &hashTx)
3183 // Only notify UI if this transaction is in this wallet
3184 map<uint256, CWalletTx>::const_iterator mi = mapWallet.find(hashTx);
3185 if (mi != mapWallet.end())
3187 NotifyTransactionChanged(this, hashTx, CT_UPDATED);
3188 vMintingWalletUpdated.push_back(hashTx);
3193 void CWallet::GetAddresses(std::map<CBitcoinAddress, int64_t> &mapAddresses) const {
3194 mapAddresses.clear();
3196 // get birth times for keys with metadata
3197 for (std::map<CBitcoinAddress, CKeyMetadata>::const_iterator it = mapKeyMetadata.begin(); it != mapKeyMetadata.end(); it++) {
3198 mapAddresses[it->first] = it->second.nCreateTime ? it->second.nCreateTime : 0;
3201 for (std::map<uint256, CWalletTx>::const_iterator it = mapWallet.begin(); it != mapWallet.end(); it++) {
3202 // iterate over all wallet transactions...
3203 const CWalletTx &wtx = (*it).second;
3204 if (wtx.hashBlock == 0)
3205 continue; // skip unconfirmed transactions
3207 for(std::vector<CTxOut>::const_iterator it2 = wtx.vout.begin(); it2 != wtx.vout.end(); it2++) {
3208 const CTxOut &out = (*it2);
3209 // iterate over all their outputs
3210 CBitcoinAddress addressRet;
3211 if (ExtractAddress(*this, out.scriptPubKey, addressRet)) {
3212 if (mapAddresses.find(addressRet) != mapAddresses.end() && (mapAddresses[addressRet] == 0 || mapAddresses[addressRet] > wtx.nTime))
3213 mapAddresses[addressRet] = wtx.nTime;
3216 // multisig output affects more than one key
3217 std::vector<CKeyID> vAffected;
3218 ::ExtractAffectedKeys(*this, out.scriptPubKey, vAffected);
3220 for(std::vector<CKeyID>::const_iterator it3 = vAffected.begin(); it3 != vAffected.end(); it3++) {
3221 CBitcoinAddress addrAffected(*it3);
3222 if (mapAddresses.find(addrAffected) != mapAddresses.end() && (mapAddresses[addrAffected] == 0 || mapAddresses[addrAffected] > wtx.nTime))
3223 mapAddresses[addrAffected] = wtx.nTime;
3231 void CWallet::ClearOrphans()
3233 list<uint256> orphans;
3236 for(map<uint256, CWalletTx>::const_iterator it = mapWallet.begin(); it != mapWallet.end(); ++it)
3238 const CWalletTx *wtx = &(*it).second;
3239 if((wtx->IsCoinBase() || wtx->IsCoinStake()) && !wtx->IsInMainChain())
3241 orphans.push_back(wtx->GetHash());
3245 for(list<uint256>::const_iterator it = orphans.begin(); it != orphans.end(); ++it)
3246 EraseFromWallet(*it);
3250 void CWalletTx::Init(const CWallet *pwalletIn)
3252 pwallet = pwalletIn;
3256 fTimeReceivedIsTxTime = false;
3260 strFromAccount.clear();
3262 fDebitCached = false;
3263 fWatchDebitCached = false;
3264 fCreditCached = false;
3265 fWatchCreditCached = false;
3266 fAvailableCreditCached = false;
3267 fAvailableWatchCreditCached = false;
3268 fImmatureCreditCached = false;
3269 fImmatureWatchCreditCached = false;
3270 fChangeCached = false;
3272 nWatchDebitCached = 0;
3274 nWatchCreditCached = 0;
3275 nAvailableCreditCached = 0;
3276 nAvailableWatchCreditCached = 0;
3277 nImmatureCreditCached = 0;
3278 nImmatureWatchCreditCached = 0;
3283 COutput::COutput(const CWalletTx *txIn, int iIn, int nDepthIn, bool fSpendableIn)
3285 tx = txIn; i = iIn; nDepth = nDepthIn; fSpendable = fSpendableIn;
3288 string COutput::ToString() const
3290 return strprintf("COutput(%s, %d, %d, %d) [%s]", tx->GetHash().ToString().substr(0,10).c_str(), i, fSpendable, nDepth, FormatMoney(tx->vout[i].nValue).c_str());
3293 CAccount::CAccount()
3298 void CAccount::SetNull()
3300 vchPubKey = CPubKey();
3303 CAccountingEntry::CAccountingEntry()
3308 void CAccountingEntry::SetNull()
3313 strOtherAccount.clear();
3318 CWalletKey::CWalletKey(int64_t nExpires)
3320 nTimeCreated = (nExpires ? GetTime() : 0);
3321 nTimeExpires = nExpires;
3324 CKeyPool::CKeyPool()
3329 CKeyPool::CKeyPool(const CPubKey &vchPubKeyIn)
3332 vchPubKey = vchPubKeyIn;