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-rw-r--r--src/wallet/wallet.cpp741
1 files changed, 431 insertions, 310 deletions
diff --git a/src/wallet/wallet.cpp b/src/wallet/wallet.cpp
index ff7a03bc55..9e3c8be3f2 100644
--- a/src/wallet/wallet.cpp
+++ b/src/wallet/wallet.cpp
@@ -20,6 +20,7 @@
#include "primitives/transaction.h"
#include "script/script.h"
#include "script/sign.h"
+#include "scheduler.h"
#include "timedata.h"
#include "txmempool.h"
#include "util.h"
@@ -32,14 +33,11 @@
#include <boost/filesystem.hpp>
#include <boost/thread.hpp>
-using namespace std;
-
CWallet* pwalletMain = NULL;
/** Transaction fee set by the user */
CFeeRate payTxFee(DEFAULT_TRANSACTION_FEE);
unsigned int nTxConfirmTarget = DEFAULT_TX_CONFIRM_TARGET;
bool bSpendZeroConfChange = DEFAULT_SPEND_ZEROCONF_CHANGE;
-bool fSendFreeTransactions = DEFAULT_SEND_FREE_TRANSACTIONS;
bool fWalletRbf = DEFAULT_WALLET_RBF;
const char * DEFAULT_WALLET_DAT = "wallet.dat";
@@ -66,8 +64,8 @@ const uint256 CMerkleTx::ABANDON_HASH(uint256S("00000000000000000000000000000000
struct CompareValueOnly
{
- bool operator()(const pair<CAmount, pair<const CWalletTx*, unsigned int> >& t1,
- const pair<CAmount, pair<const CWalletTx*, unsigned int> >& t2) const
+ bool operator()(const std::pair<CAmount, std::pair<const CWalletTx*, unsigned int> >& t1,
+ const std::pair<CAmount, std::pair<const CWalletTx*, unsigned int> >& t2) const
{
return t1.first < t2.first;
}
@@ -113,8 +111,7 @@ CPubKey CWallet::GenerateNewKey()
assert(secret.VerifyPubKey(pubkey));
mapKeyMetadata[pubkey.GetID()] = metadata;
- if (!nTimeFirstKey || nCreationTime < nTimeFirstKey)
- nTimeFirstKey = nCreationTime;
+ UpdateTimeFirstKey(nCreationTime);
if (!AddKeyPubKey(secret, pubkey))
throw std::runtime_error(std::string(__func__) + ": AddKey failed");
@@ -187,7 +184,7 @@ bool CWallet::AddKeyPubKey(const CKey& secret, const CPubKey &pubkey)
}
bool CWallet::AddCryptedKey(const CPubKey &vchPubKey,
- const vector<unsigned char> &vchCryptedSecret)
+ const std::vector<unsigned char> &vchCryptedSecret)
{
if (!CCryptoKeyStore::AddCryptedKey(vchPubKey, vchCryptedSecret))
return false;
@@ -207,13 +204,11 @@ bool CWallet::AddCryptedKey(const CPubKey &vchPubKey,
return false;
}
-bool CWallet::LoadKeyMetadata(const CPubKey &pubkey, const CKeyMetadata &meta)
+bool CWallet::LoadKeyMetadata(const CTxDestination& keyID, const CKeyMetadata &meta)
{
AssertLockHeld(cs_wallet); // mapKeyMetadata
- if (meta.nCreateTime && (!nTimeFirstKey || meta.nCreateTime < nTimeFirstKey))
- nTimeFirstKey = meta.nCreateTime;
-
- mapKeyMetadata[pubkey.GetID()] = meta;
+ UpdateTimeFirstKey(meta.nCreateTime);
+ mapKeyMetadata[keyID] = meta;
return true;
}
@@ -222,6 +217,18 @@ bool CWallet::LoadCryptedKey(const CPubKey &vchPubKey, const std::vector<unsigne
return CCryptoKeyStore::AddCryptedKey(vchPubKey, vchCryptedSecret);
}
+void CWallet::UpdateTimeFirstKey(int64_t nCreateTime)
+{
+ AssertLockHeld(cs_wallet);
+ if (nCreateTime <= 1) {
+ // Cannot determine birthday information, so set the wallet birthday to
+ // the beginning of time.
+ nTimeFirstKey = 1;
+ } else if (!nTimeFirstKey || nCreateTime < nTimeFirstKey) {
+ nTimeFirstKey = nCreateTime;
+ }
+}
+
bool CWallet::AddCScript(const CScript& redeemScript)
{
if (!CCryptoKeyStore::AddCScript(redeemScript))
@@ -247,15 +254,22 @@ bool CWallet::LoadCScript(const CScript& redeemScript)
return CCryptoKeyStore::AddCScript(redeemScript);
}
-bool CWallet::AddWatchOnly(const CScript &dest)
+bool CWallet::AddWatchOnly(const CScript& dest)
{
if (!CCryptoKeyStore::AddWatchOnly(dest))
return false;
- nTimeFirstKey = 1; // No birthday information for watch-only keys.
+ const CKeyMetadata& meta = mapKeyMetadata[CScriptID(dest)];
+ UpdateTimeFirstKey(meta.nCreateTime);
NotifyWatchonlyChanged(true);
if (!fFileBacked)
return true;
- return CWalletDB(strWalletFile).WriteWatchOnly(dest);
+ return CWalletDB(strWalletFile).WriteWatchOnly(dest, meta);
+}
+
+bool CWallet::AddWatchOnly(const CScript& dest, int64_t nCreateTime)
+{
+ mapKeyMetadata[CScriptID(dest)].nCreateTime = nCreateTime;
+ return AddWatchOnly(dest);
}
bool CWallet::RemoveWatchOnly(const CScript &dest)
@@ -280,7 +294,7 @@ bool CWallet::LoadWatchOnly(const CScript &dest)
bool CWallet::Unlock(const SecureString& strWalletPassphrase)
{
CCrypter crypter;
- CKeyingMaterial vMasterKey;
+ CKeyingMaterial _vMasterKey;
{
LOCK(cs_wallet);
@@ -288,9 +302,9 @@ bool CWallet::Unlock(const SecureString& strWalletPassphrase)
{
if(!crypter.SetKeyFromPassphrase(strWalletPassphrase, pMasterKey.second.vchSalt, pMasterKey.second.nDeriveIterations, pMasterKey.second.nDerivationMethod))
return false;
- if (!crypter.Decrypt(pMasterKey.second.vchCryptedKey, vMasterKey))
+ if (!crypter.Decrypt(pMasterKey.second.vchCryptedKey, _vMasterKey))
continue; // try another master key
- if (CCryptoKeyStore::Unlock(vMasterKey))
+ if (CCryptoKeyStore::Unlock(_vMasterKey))
return true;
}
}
@@ -306,14 +320,14 @@ bool CWallet::ChangeWalletPassphrase(const SecureString& strOldWalletPassphrase,
Lock();
CCrypter crypter;
- CKeyingMaterial vMasterKey;
+ CKeyingMaterial _vMasterKey;
BOOST_FOREACH(MasterKeyMap::value_type& pMasterKey, mapMasterKeys)
{
if(!crypter.SetKeyFromPassphrase(strOldWalletPassphrase, pMasterKey.second.vchSalt, pMasterKey.second.nDeriveIterations, pMasterKey.second.nDerivationMethod))
return false;
- if (!crypter.Decrypt(pMasterKey.second.vchCryptedKey, vMasterKey))
+ if (!crypter.Decrypt(pMasterKey.second.vchCryptedKey, _vMasterKey))
return false;
- if (CCryptoKeyStore::Unlock(vMasterKey))
+ if (CCryptoKeyStore::Unlock(_vMasterKey))
{
int64_t nStartTime = GetTimeMillis();
crypter.SetKeyFromPassphrase(strNewWalletPassphrase, pMasterKey.second.vchSalt, pMasterKey.second.nDeriveIterations, pMasterKey.second.nDerivationMethod);
@@ -330,7 +344,7 @@ bool CWallet::ChangeWalletPassphrase(const SecureString& strOldWalletPassphrase,
if (!crypter.SetKeyFromPassphrase(strNewWalletPassphrase, pMasterKey.second.vchSalt, pMasterKey.second.nDeriveIterations, pMasterKey.second.nDerivationMethod))
return false;
- if (!crypter.Encrypt(vMasterKey, pMasterKey.second.vchCryptedKey))
+ if (!crypter.Encrypt(_vMasterKey, pMasterKey.second.vchCryptedKey))
return false;
CWalletDB(strWalletFile).WriteMasterKey(pMasterKey.first, pMasterKey.second);
if (fWasLocked)
@@ -388,9 +402,9 @@ bool CWallet::SetMaxVersion(int nVersion)
return true;
}
-set<uint256> CWallet::GetConflicts(const uint256& txid) const
+std::set<uint256> CWallet::GetConflicts(const uint256& txid) const
{
- set<uint256> result;
+ std::set<uint256> result;
AssertLockHeld(cs_wallet);
std::map<uint256, CWalletTx>::const_iterator it = mapWallet.find(txid);
@@ -411,6 +425,13 @@ set<uint256> CWallet::GetConflicts(const uint256& txid) const
return result;
}
+bool CWallet::HasWalletSpend(const uint256& txid) const
+{
+ AssertLockHeld(cs_wallet);
+ auto iter = mapTxSpends.lower_bound(COutPoint(txid, 0));
+ return (iter != mapTxSpends.end() && iter->first.hash == txid);
+}
+
void CWallet::Flush(bool shutdown)
{
bitdb.Flush(shutdown);
@@ -421,61 +442,34 @@ bool CWallet::Verify()
if (GetBoolArg("-disablewallet", DEFAULT_DISABLE_WALLET))
return true;
- LogPrintf("Using BerkeleyDB version %s\n", DbEnv::version(0, 0, 0));
- std::string walletFile = GetArg("-wallet", DEFAULT_WALLET_DAT);
-
- LogPrintf("Using wallet %s\n", walletFile);
uiInterface.InitMessage(_("Verifying wallet..."));
+ std::string walletFile = GetArg("-wallet", DEFAULT_WALLET_DAT);
- // Wallet file must be a plain filename without a directory
- if (walletFile != boost::filesystem::basename(walletFile) + boost::filesystem::extension(walletFile))
- return InitError(strprintf(_("Wallet %s resides outside data directory %s"), walletFile, GetDataDir().string()));
+ std::string strError;
+ if (!CWalletDB::VerifyEnvironment(walletFile, GetDataDir().string(), strError))
+ return InitError(strError);
- if (!bitdb.Open(GetDataDir()))
- {
- // try moving the database env out of the way
- boost::filesystem::path pathDatabase = GetDataDir() / "database";
- boost::filesystem::path pathDatabaseBak = GetDataDir() / strprintf("database.%d.bak", GetTime());
- try {
- boost::filesystem::rename(pathDatabase, pathDatabaseBak);
- LogPrintf("Moved old %s to %s. Retrying.\n", pathDatabase.string(), pathDatabaseBak.string());
- } catch (const boost::filesystem::filesystem_error&) {
- // failure is ok (well, not really, but it's not worse than what we started with)
- }
-
- // try again
- if (!bitdb.Open(GetDataDir())) {
- // if it still fails, it probably means we can't even create the database env
- return InitError(strprintf(_("Error initializing wallet database environment %s!"), GetDataDir()));
- }
- }
-
if (GetBoolArg("-salvagewallet", false))
{
// Recover readable keypairs:
- if (!CWalletDB::Recover(bitdb, walletFile, true))
+ CWallet dummyWallet;
+ if (!CWalletDB::Recover(walletFile, (void *)&dummyWallet, CWalletDB::RecoverKeysOnlyFilter))
return false;
}
-
- if (boost::filesystem::exists(GetDataDir() / walletFile))
+
+ std::string strWarning;
+ bool dbV = CWalletDB::VerifyDatabaseFile(walletFile, GetDataDir().string(), strWarning, strError);
+ if (!strWarning.empty())
+ InitWarning(strWarning);
+ if (!dbV)
{
- CDBEnv::VerifyResult r = bitdb.Verify(walletFile, CWalletDB::Recover);
- if (r == CDBEnv::RECOVER_OK)
- {
- InitWarning(strprintf(_("Warning: Wallet file corrupt, data salvaged!"
- " Original %s saved as %s in %s; if"
- " your balance or transactions are incorrect you should"
- " restore from a backup."),
- walletFile, "wallet.{timestamp}.bak", GetDataDir()));
- }
- if (r == CDBEnv::RECOVER_FAIL)
- return InitError(strprintf(_("%s corrupt, salvage failed"), walletFile));
+ InitError(strError);
+ return false;
}
-
return true;
}
-void CWallet::SyncMetaData(pair<TxSpends::iterator, TxSpends::iterator> range)
+void CWallet::SyncMetaData(std::pair<TxSpends::iterator, TxSpends::iterator> range)
{
// We want all the wallet transactions in range to have the same metadata as
// the oldest (smallest nOrderPos).
@@ -519,7 +513,7 @@ void CWallet::SyncMetaData(pair<TxSpends::iterator, TxSpends::iterator> range)
bool CWallet::IsSpent(const uint256& hash, unsigned int n) const
{
const COutPoint outpoint(hash, n);
- pair<TxSpends::const_iterator, TxSpends::const_iterator> range;
+ std::pair<TxSpends::const_iterator, TxSpends::const_iterator> range;
range = mapTxSpends.equal_range(outpoint);
for (TxSpends::const_iterator it = range.first; it != range.second; ++it)
@@ -537,9 +531,9 @@ bool CWallet::IsSpent(const uint256& hash, unsigned int n) const
void CWallet::AddToSpends(const COutPoint& outpoint, const uint256& wtxid)
{
- mapTxSpends.insert(make_pair(outpoint, wtxid));
+ mapTxSpends.insert(std::make_pair(outpoint, wtxid));
- pair<TxSpends::iterator, TxSpends::iterator> range;
+ std::pair<TxSpends::iterator, TxSpends::iterator> range;
range = mapTxSpends.equal_range(outpoint);
SyncMetaData(range);
}
@@ -561,10 +555,10 @@ bool CWallet::EncryptWallet(const SecureString& strWalletPassphrase)
if (IsCrypted())
return false;
- CKeyingMaterial vMasterKey;
+ CKeyingMaterial _vMasterKey;
- vMasterKey.resize(WALLET_CRYPTO_KEY_SIZE);
- GetStrongRandBytes(&vMasterKey[0], WALLET_CRYPTO_KEY_SIZE);
+ _vMasterKey.resize(WALLET_CRYPTO_KEY_SIZE);
+ GetStrongRandBytes(&_vMasterKey[0], WALLET_CRYPTO_KEY_SIZE);
CMasterKey kMasterKey;
@@ -587,7 +581,7 @@ bool CWallet::EncryptWallet(const SecureString& strWalletPassphrase)
if (!crypter.SetKeyFromPassphrase(strWalletPassphrase, kMasterKey.vchSalt, kMasterKey.nDeriveIterations, kMasterKey.nDerivationMethod))
return false;
- if (!crypter.Encrypt(vMasterKey, kMasterKey.vchCryptedKey))
+ if (!crypter.Encrypt(_vMasterKey, kMasterKey.vchCryptedKey))
return false;
{
@@ -605,7 +599,7 @@ bool CWallet::EncryptWallet(const SecureString& strWalletPassphrase)
pwalletdbEncryption->WriteMasterKey(nMasterKeyMaxID, kMasterKey);
}
- if (!EncryptKeys(vMasterKey))
+ if (!EncryptKeys(_vMasterKey))
{
if (fFileBacked) {
pwalletdbEncryption->TxnAbort();
@@ -665,20 +659,20 @@ DBErrors CWallet::ReorderTransactions()
// Probably a bad idea to change the output of this
// First: get all CWalletTx and CAccountingEntry into a sorted-by-time multimap.
- typedef pair<CWalletTx*, CAccountingEntry*> TxPair;
- typedef multimap<int64_t, TxPair > TxItems;
+ typedef std::pair<CWalletTx*, CAccountingEntry*> TxPair;
+ typedef std::multimap<int64_t, TxPair > TxItems;
TxItems txByTime;
- for (map<uint256, CWalletTx>::iterator it = mapWallet.begin(); it != mapWallet.end(); ++it)
+ for (std::map<uint256, CWalletTx>::iterator it = mapWallet.begin(); it != mapWallet.end(); ++it)
{
CWalletTx* wtx = &((*it).second);
- txByTime.insert(make_pair(wtx->nTimeReceived, TxPair(wtx, (CAccountingEntry*)0)));
+ txByTime.insert(std::make_pair(wtx->nTimeReceived, TxPair(wtx, (CAccountingEntry*)0)));
}
- list<CAccountingEntry> acentries;
+ std::list<CAccountingEntry> acentries;
walletdb.ListAccountCreditDebit("", acentries);
BOOST_FOREACH(CAccountingEntry& entry, acentries)
{
- txByTime.insert(make_pair(entry.nTime, TxPair((CWalletTx*)0, &entry)));
+ txByTime.insert(std::make_pair(entry.nTime, TxPair((CWalletTx*)0, &entry)));
}
nOrderPosNext = 0;
@@ -792,7 +786,7 @@ bool CWallet::GetAccountPubkey(CPubKey &pubKey, std::string strAccount, bool bFo
else {
// Check if the current key has been used
CScript scriptPubKey = GetScriptForDestination(account.vchPubKey.GetID());
- for (map<uint256, CWalletTx>::iterator it = mapWallet.begin();
+ for (std::map<uint256, CWalletTx>::iterator it = mapWallet.begin();
it != mapWallet.end() && account.vchPubKey.IsValid();
++it)
BOOST_FOREACH(const CTxOut& txout, (*it).second.tx->vout)
@@ -826,6 +820,35 @@ void CWallet::MarkDirty()
}
}
+bool CWallet::MarkReplaced(const uint256& originalHash, const uint256& newHash)
+{
+ LOCK(cs_wallet);
+
+ auto mi = mapWallet.find(originalHash);
+
+ // There is a bug if MarkReplaced is not called on an existing wallet transaction.
+ assert(mi != mapWallet.end());
+
+ CWalletTx& wtx = (*mi).second;
+
+ // Ensure for now that we're not overwriting data
+ assert(wtx.mapValue.count("replaced_by_txid") == 0);
+
+ wtx.mapValue["replaced_by_txid"] = newHash.ToString();
+
+ CWalletDB walletdb(strWalletFile, "r+");
+
+ bool success = true;
+ if (!walletdb.WriteTx(wtx)) {
+ LogPrintf("%s: Updating walletdb tx %s failed", __func__, wtx.GetHash().ToString());
+ success = false;
+ }
+
+ NotifyTransactionChanged(this, originalHash, CT_UPDATED);
+
+ return success;
+}
+
bool CWallet::AddToWallet(const CWalletTx& wtxIn, bool fFlushOnClose)
{
LOCK(cs_wallet);
@@ -835,7 +858,7 @@ bool CWallet::AddToWallet(const CWalletTx& wtxIn, bool fFlushOnClose)
uint256 hash = wtxIn.GetHash();
// Inserts only if not already there, returns tx inserted or tx found
- pair<map<uint256, CWalletTx>::iterator, bool> ret = mapWallet.insert(make_pair(hash, wtxIn));
+ std::pair<std::map<uint256, CWalletTx>::iterator, bool> ret = mapWallet.insert(std::make_pair(hash, wtxIn));
CWalletTx& wtx = (*ret.first).second;
wtx.BindWallet(this);
bool fInsertedNew = ret.second;
@@ -843,52 +866,8 @@ bool CWallet::AddToWallet(const CWalletTx& wtxIn, bool fFlushOnClose)
{
wtx.nTimeReceived = GetAdjustedTime();
wtx.nOrderPos = IncOrderPosNext(&walletdb);
- wtxOrdered.insert(make_pair(wtx.nOrderPos, TxPair(&wtx, (CAccountingEntry*)0)));
-
- wtx.nTimeSmart = wtx.nTimeReceived;
- if (!wtxIn.hashUnset())
- {
- if (mapBlockIndex.count(wtxIn.hashBlock))
- {
- int64_t latestNow = wtx.nTimeReceived;
- int64_t latestEntry = 0;
- {
- // Tolerate times up to the last timestamp in the wallet not more than 5 minutes into the future
- int64_t latestTolerated = latestNow + 300;
- const TxItems & txOrdered = wtxOrdered;
- for (TxItems::const_reverse_iterator it = txOrdered.rbegin(); it != txOrdered.rend(); ++it)
- {
- CWalletTx *const pwtx = (*it).second.first;
- if (pwtx == &wtx)
- continue;
- CAccountingEntry *const pacentry = (*it).second.second;
- int64_t nSmartTime;
- if (pwtx)
- {
- nSmartTime = pwtx->nTimeSmart;
- if (!nSmartTime)
- nSmartTime = pwtx->nTimeReceived;
- }
- else
- nSmartTime = pacentry->nTime;
- if (nSmartTime <= latestTolerated)
- {
- latestEntry = nSmartTime;
- if (nSmartTime > latestNow)
- latestNow = nSmartTime;
- break;
- }
- }
- }
-
- int64_t blocktime = mapBlockIndex[wtxIn.hashBlock]->GetBlockTime();
- wtx.nTimeSmart = std::max(latestEntry, std::min(blocktime, latestNow));
- }
- else
- LogPrintf("AddToWallet(): found %s in block %s not in index\n",
- wtxIn.GetHash().ToString(),
- wtxIn.hashBlock.ToString());
- }
+ wtxOrdered.insert(std::make_pair(wtx.nOrderPos, TxPair(&wtx, (CAccountingEntry*)0)));
+ wtx.nTimeSmart = ComputeTimeSmart(wtx);
AddToSpends(hash);
}
@@ -952,7 +931,7 @@ bool CWallet::LoadToWallet(const CWalletTx& wtxIn)
mapWallet[hash] = wtxIn;
CWalletTx& wtx = mapWallet[hash];
wtx.BindWallet(this);
- wtxOrdered.insert(make_pair(wtx.nOrderPos, TxPair(&wtx, (CAccountingEntry*)0)));
+ wtxOrdered.insert(std::make_pair(wtx.nOrderPos, TxPair(&wtx, (CAccountingEntry*)0)));
AddToSpends(hash);
BOOST_FOREACH(const CTxIn& txin, wtx.tx->vin) {
if (mapWallet.count(txin.prevout.hash)) {
@@ -967,9 +946,17 @@ bool CWallet::LoadToWallet(const CWalletTx& wtxIn)
}
/**
- * Add a transaction to the wallet, or update it.
- * pblock is optional, but should be provided if the transaction is known to be in a block.
+ * Add a transaction to the wallet, or update it. pIndex and posInBlock should
+ * be set when the transaction was known to be included in a block. When
+ * posInBlock = SYNC_TRANSACTION_NOT_IN_BLOCK (-1) , then wallet state is not
+ * updated in AddToWallet, but notifications happen and cached balances are
+ * marked dirty.
* If fUpdate is true, existing transactions will be updated.
+ * TODO: One exception to this is that the abandoned state is cleared under the
+ * assumption that any further notification of a transaction that was considered
+ * abandoned is an indication that it is not safe to be considered abandoned.
+ * Abandoned state should probably be more carefully tracked via different
+ * posInBlock signals or by checking mempool presence when necessary.
*/
bool CWallet::AddToWalletIfInvolvingMe(const CTransaction& tx, const CBlockIndex* pIndex, int posInBlock, bool fUpdate)
{
@@ -1143,7 +1130,7 @@ isminetype CWallet::IsMine(const CTxIn &txin) const
{
{
LOCK(cs_wallet);
- map<uint256, CWalletTx>::const_iterator mi = mapWallet.find(txin.prevout.hash);
+ std::map<uint256, CWalletTx>::const_iterator mi = mapWallet.find(txin.prevout.hash);
if (mi != mapWallet.end())
{
const CWalletTx& prev = (*mi).second;
@@ -1154,11 +1141,13 @@ isminetype CWallet::IsMine(const CTxIn &txin) const
return ISMINE_NO;
}
+// Note that this function doesn't distinguish between a 0-valued input,
+// and a not-"is mine" (according to the filter) input.
CAmount CWallet::GetDebit(const CTxIn &txin, const isminefilter& filter) const
{
{
LOCK(cs_wallet);
- map<uint256, CWalletTx>::const_iterator mi = mapWallet.find(txin.prevout.hash);
+ std::map<uint256, CWalletTx>::const_iterator mi = mapWallet.find(txin.prevout.hash);
if (mi != mapWallet.end())
{
const CWalletTx& prev = (*mi).second;
@@ -1236,6 +1225,27 @@ CAmount CWallet::GetDebit(const CTransaction& tx, const isminefilter& filter) co
return nDebit;
}
+bool CWallet::IsAllFromMe(const CTransaction& tx, const isminefilter& filter) const
+{
+ LOCK(cs_wallet);
+
+ BOOST_FOREACH(const CTxIn& txin, tx.vin)
+ {
+ auto mi = mapWallet.find(txin.prevout.hash);
+ if (mi == mapWallet.end())
+ return false; // any unknown inputs can't be from us
+
+ const CWalletTx& prev = (*mi).second;
+
+ if (txin.prevout.n >= prev.tx->vout.size())
+ return false; // invalid input!
+
+ if (!(IsMine(prev.tx->vout[txin.prevout.n]) & filter))
+ return false;
+ }
+ return true;
+}
+
CAmount CWallet::GetCredit(const CTransaction& tx, const isminefilter& filter) const
{
CAmount nCredit = 0;
@@ -1311,13 +1321,13 @@ bool CWallet::SetHDChain(const CHDChain& chain, bool memonly)
{
LOCK(cs_wallet);
if (!memonly && !CWalletDB(strWalletFile).WriteHDChain(chain))
- throw runtime_error(std::string(__func__) + ": writing chain failed");
+ throw std::runtime_error(std::string(__func__) + ": writing chain failed");
hdChain = chain;
return true;
}
-bool CWallet::IsHDEnabled()
+bool CWallet::IsHDEnabled() const
{
return !hdChain.masterKeyID.IsNull();
}
@@ -1339,7 +1349,7 @@ int CWalletTx::GetRequestCount() const
// Generated block
if (!hashUnset())
{
- map<uint256, int>::const_iterator mi = pwallet->mapRequestCount.find(hashBlock);
+ std::map<uint256, int>::const_iterator mi = pwallet->mapRequestCount.find(hashBlock);
if (mi != pwallet->mapRequestCount.end())
nRequests = (*mi).second;
}
@@ -1347,7 +1357,7 @@ int CWalletTx::GetRequestCount() const
else
{
// Did anyone request this transaction?
- map<uint256, int>::const_iterator mi = pwallet->mapRequestCount.find(GetHash());
+ std::map<uint256, int>::const_iterator mi = pwallet->mapRequestCount.find(GetHash());
if (mi != pwallet->mapRequestCount.end())
{
nRequests = (*mi).second;
@@ -1355,7 +1365,7 @@ int CWalletTx::GetRequestCount() const
// How about the block it's in?
if (nRequests == 0 && !hashUnset())
{
- map<uint256, int>::const_iterator _mi = pwallet->mapRequestCount.find(hashBlock);
+ std::map<uint256, int>::const_iterator _mi = pwallet->mapRequestCount.find(hashBlock);
if (_mi != pwallet->mapRequestCount.end())
nRequests = (*_mi).second;
else
@@ -1367,8 +1377,8 @@ int CWalletTx::GetRequestCount() const
return nRequests;
}
-void CWalletTx::GetAmounts(list<COutputEntry>& listReceived,
- list<COutputEntry>& listSent, CAmount& nFee, string& strSentAccount, const isminefilter& filter) const
+void CWalletTx::GetAmounts(std::list<COutputEntry>& listReceived,
+ std::list<COutputEntry>& listSent, CAmount& nFee, std::string& strSentAccount, const isminefilter& filter) const
{
nFee = 0;
listReceived.clear();
@@ -1423,15 +1433,15 @@ void CWalletTx::GetAmounts(list<COutputEntry>& listReceived,
}
-void CWalletTx::GetAccountAmounts(const string& strAccount, CAmount& nReceived,
+void CWalletTx::GetAccountAmounts(const std::string& strAccount, CAmount& nReceived,
CAmount& nSent, CAmount& nFee, const isminefilter& filter) const
{
nReceived = nSent = nFee = 0;
CAmount allFee;
- string strSentAccount;
- list<COutputEntry> listReceived;
- list<COutputEntry> listSent;
+ std::string strSentAccount;
+ std::list<COutputEntry> listReceived;
+ std::list<COutputEntry> listSent;
GetAmounts(listReceived, listSent, allFee, strSentAccount, filter);
if (strAccount == strSentAccount)
@@ -1446,7 +1456,7 @@ void CWalletTx::GetAccountAmounts(const string& strAccount, CAmount& nReceived,
{
if (pwallet->mapAddressBook.count(r.destination))
{
- map<CTxDestination, CAddressBookData>::const_iterator mi = pwallet->mapAddressBook.find(r.destination);
+ std::map<CTxDestination, CAddressBookData>::const_iterator mi = pwallet->mapAddressBook.find(r.destination);
if (mi != pwallet->mapAddressBook.end() && (*mi).second.name == strAccount)
nReceived += r.amount;
}
@@ -1462,10 +1472,14 @@ void CWalletTx::GetAccountAmounts(const string& strAccount, CAmount& nReceived,
* Scan the block chain (starting in pindexStart) for transactions
* from or to us. If fUpdate is true, found transactions that already
* exist in the wallet will be updated.
+ *
+ * Returns pointer to the first block in the last contiguous range that was
+ * successfully scanned.
+ *
*/
-int CWallet::ScanForWalletTransactions(CBlockIndex* pindexStart, bool fUpdate)
+CBlockIndex* CWallet::ScanForWalletTransactions(CBlockIndex* pindexStart, bool fUpdate)
{
- int ret = 0;
+ CBlockIndex* ret = nullptr;
int64_t nNow = GetTime();
const CChainParams& chainParams = Params();
@@ -1475,29 +1489,32 @@ int CWallet::ScanForWalletTransactions(CBlockIndex* pindexStart, bool fUpdate)
// no need to read and scan block, if block was created before
// our wallet birthday (as adjusted for block time variability)
- while (pindex && nTimeFirstKey && (pindex->GetBlockTime() < (nTimeFirstKey - 7200)))
+ while (pindex && nTimeFirstKey && (pindex->GetBlockTime() < (nTimeFirstKey - TIMESTAMP_WINDOW)))
pindex = chainActive.Next(pindex);
ShowProgress(_("Rescanning..."), 0); // show rescan progress in GUI as dialog or on splashscreen, if -rescan on startup
- double dProgressStart = Checkpoints::GuessVerificationProgress(chainParams.Checkpoints(), pindex, false);
- double dProgressTip = Checkpoints::GuessVerificationProgress(chainParams.Checkpoints(), chainActive.Tip(), false);
+ double dProgressStart = GuessVerificationProgress(chainParams.TxData(), pindex);
+ double dProgressTip = GuessVerificationProgress(chainParams.TxData(), chainActive.Tip());
while (pindex)
{
if (pindex->nHeight % 100 == 0 && dProgressTip - dProgressStart > 0.0)
- ShowProgress(_("Rescanning..."), std::max(1, std::min(99, (int)((Checkpoints::GuessVerificationProgress(chainParams.Checkpoints(), pindex, false) - dProgressStart) / (dProgressTip - dProgressStart) * 100))));
+ ShowProgress(_("Rescanning..."), std::max(1, std::min(99, (int)((GuessVerificationProgress(chainParams.TxData(), pindex) - dProgressStart) / (dProgressTip - dProgressStart) * 100))));
CBlock block;
- ReadBlockFromDisk(block, pindex, Params().GetConsensus());
- int posInBlock;
- for (posInBlock = 0; posInBlock < (int)block.vtx.size(); posInBlock++)
- {
- if (AddToWalletIfInvolvingMe(*block.vtx[posInBlock], pindex, posInBlock, fUpdate))
- ret++;
+ if (ReadBlockFromDisk(block, pindex, Params().GetConsensus())) {
+ for (size_t posInBlock = 0; posInBlock < block.vtx.size(); ++posInBlock) {
+ AddToWalletIfInvolvingMe(*block.vtx[posInBlock], pindex, posInBlock, fUpdate);
+ }
+ if (!ret) {
+ ret = pindex;
+ }
+ } else {
+ ret = nullptr;
}
pindex = chainActive.Next(pindex);
if (GetTime() >= nNow + 60) {
nNow = GetTime();
- LogPrintf("Still rescanning. At block %d. Progress=%f\n", pindex->nHeight, Checkpoints::GuessVerificationProgress(chainParams.Checkpoints(), pindex));
+ LogPrintf("Still rescanning. At block %d. Progress=%f\n", pindex->nHeight, GuessVerificationProgress(chainParams.TxData(), pindex));
}
}
ShowProgress(_("Rescanning..."), 100); // hide progress dialog in GUI
@@ -1560,9 +1577,9 @@ bool CWalletTx::RelayWalletTransaction(CConnman* connman)
return false;
}
-set<uint256> CWalletTx::GetConflicts() const
+std::set<uint256> CWalletTx::GetConflicts() const
{
- set<uint256> result;
+ std::set<uint256> result;
if (pwallet != NULL)
{
uint256 myHash = GetHash();
@@ -1787,14 +1804,14 @@ std::vector<uint256> CWallet::ResendWalletTransactionsBefore(int64_t nTime, CCon
LOCK(cs_wallet);
// Sort them in chronological order
- multimap<unsigned int, CWalletTx*> mapSorted;
+ std::multimap<unsigned int, CWalletTx*> mapSorted;
BOOST_FOREACH(PAIRTYPE(const uint256, CWalletTx)& item, mapWallet)
{
CWalletTx& wtx = item.second;
// Don't rebroadcast if newer than nTime:
if (wtx.nTimeReceived > nTime)
continue;
- mapSorted.insert(make_pair(wtx.nTimeReceived, &wtx));
+ mapSorted.insert(std::make_pair(wtx.nTimeReceived, &wtx));
}
BOOST_FOREACH(PAIRTYPE(const unsigned int, CWalletTx*)& item, mapSorted)
{
@@ -1844,7 +1861,7 @@ CAmount CWallet::GetBalance() const
CAmount nTotal = 0;
{
LOCK2(cs_main, cs_wallet);
- for (map<uint256, CWalletTx>::const_iterator it = mapWallet.begin(); it != mapWallet.end(); ++it)
+ for (std::map<uint256, CWalletTx>::const_iterator it = mapWallet.begin(); it != mapWallet.end(); ++it)
{
const CWalletTx* pcoin = &(*it).second;
if (pcoin->IsTrusted())
@@ -1860,7 +1877,7 @@ CAmount CWallet::GetUnconfirmedBalance() const
CAmount nTotal = 0;
{
LOCK2(cs_main, cs_wallet);
- for (map<uint256, CWalletTx>::const_iterator it = mapWallet.begin(); it != mapWallet.end(); ++it)
+ for (std::map<uint256, CWalletTx>::const_iterator it = mapWallet.begin(); it != mapWallet.end(); ++it)
{
const CWalletTx* pcoin = &(*it).second;
if (!pcoin->IsTrusted() && pcoin->GetDepthInMainChain() == 0 && pcoin->InMempool())
@@ -1875,7 +1892,7 @@ CAmount CWallet::GetImmatureBalance() const
CAmount nTotal = 0;
{
LOCK2(cs_main, cs_wallet);
- for (map<uint256, CWalletTx>::const_iterator it = mapWallet.begin(); it != mapWallet.end(); ++it)
+ for (std::map<uint256, CWalletTx>::const_iterator it = mapWallet.begin(); it != mapWallet.end(); ++it)
{
const CWalletTx* pcoin = &(*it).second;
nTotal += pcoin->GetImmatureCredit();
@@ -1889,7 +1906,7 @@ CAmount CWallet::GetWatchOnlyBalance() const
CAmount nTotal = 0;
{
LOCK2(cs_main, cs_wallet);
- for (map<uint256, CWalletTx>::const_iterator it = mapWallet.begin(); it != mapWallet.end(); ++it)
+ for (std::map<uint256, CWalletTx>::const_iterator it = mapWallet.begin(); it != mapWallet.end(); ++it)
{
const CWalletTx* pcoin = &(*it).second;
if (pcoin->IsTrusted())
@@ -1905,7 +1922,7 @@ CAmount CWallet::GetUnconfirmedWatchOnlyBalance() const
CAmount nTotal = 0;
{
LOCK2(cs_main, cs_wallet);
- for (map<uint256, CWalletTx>::const_iterator it = mapWallet.begin(); it != mapWallet.end(); ++it)
+ for (std::map<uint256, CWalletTx>::const_iterator it = mapWallet.begin(); it != mapWallet.end(); ++it)
{
const CWalletTx* pcoin = &(*it).second;
if (!pcoin->IsTrusted() && pcoin->GetDepthInMainChain() == 0 && pcoin->InMempool())
@@ -1920,7 +1937,7 @@ CAmount CWallet::GetImmatureWatchOnlyBalance() const
CAmount nTotal = 0;
{
LOCK2(cs_main, cs_wallet);
- for (map<uint256, CWalletTx>::const_iterator it = mapWallet.begin(); it != mapWallet.end(); ++it)
+ for (std::map<uint256, CWalletTx>::const_iterator it = mapWallet.begin(); it != mapWallet.end(); ++it)
{
const CWalletTx* pcoin = &(*it).second;
nTotal += pcoin->GetImmatureWatchOnlyCredit();
@@ -1929,13 +1946,13 @@ CAmount CWallet::GetImmatureWatchOnlyBalance() const
return nTotal;
}
-void CWallet::AvailableCoins(vector<COutput>& vCoins, bool fOnlyConfirmed, const CCoinControl *coinControl, bool fIncludeZeroValue) const
+void CWallet::AvailableCoins(std::vector<COutput>& vCoins, bool fOnlySafe, const CCoinControl *coinControl, bool fIncludeZeroValue) const
{
vCoins.clear();
{
LOCK2(cs_main, cs_wallet);
- for (map<uint256, CWalletTx>::const_iterator it = mapWallet.begin(); it != mapWallet.end(); ++it)
+ for (std::map<uint256, CWalletTx>::const_iterator it = mapWallet.begin(); it != mapWallet.end(); ++it)
{
const uint256& wtxid = it->first;
const CWalletTx* pcoin = &(*it).second;
@@ -1943,9 +1960,6 @@ void CWallet::AvailableCoins(vector<COutput>& vCoins, bool fOnlyConfirmed, const
if (!CheckFinalTx(*pcoin))
continue;
- if (fOnlyConfirmed && !pcoin->IsTrusted())
- continue;
-
if (pcoin->IsCoinBase() && pcoin->GetBlocksToMaturity() > 0)
continue;
@@ -1958,6 +1972,43 @@ void CWallet::AvailableCoins(vector<COutput>& vCoins, bool fOnlyConfirmed, const
if (nDepth == 0 && !pcoin->InMempool())
continue;
+ bool safeTx = pcoin->IsTrusted();
+
+ // We should not consider coins from transactions that are replacing
+ // other transactions.
+ //
+ // Example: There is a transaction A which is replaced by bumpfee
+ // transaction B. In this case, we want to prevent creation of
+ // a transaction B' which spends an output of B.
+ //
+ // Reason: If transaction A were initially confirmed, transactions B
+ // and B' would no longer be valid, so the user would have to create
+ // a new transaction C to replace B'. However, in the case of a
+ // one-block reorg, transactions B' and C might BOTH be accepted,
+ // when the user only wanted one of them. Specifically, there could
+ // be a 1-block reorg away from the chain where transactions A and C
+ // were accepted to another chain where B, B', and C were all
+ // accepted.
+ if (nDepth == 0 && pcoin->mapValue.count("replaces_txid")) {
+ safeTx = false;
+ }
+
+ // Similarly, we should not consider coins from transactions that
+ // have been replaced. In the example above, we would want to prevent
+ // creation of a transaction A' spending an output of A, because if
+ // transaction B were initially confirmed, conflicting with A and
+ // A', we wouldn't want to the user to create a transaction D
+ // intending to replace A', but potentially resulting in a scenario
+ // where A, A', and D could all be accepted (instead of just B and
+ // D, or just A and A' like the user would want).
+ if (nDepth == 0 && pcoin->mapValue.count("replaced_by_txid")) {
+ safeTx = false;
+ }
+
+ if (fOnlySafe && !safeTx) {
+ continue;
+ }
+
for (unsigned int i = 0; i < pcoin->tx->vout.size(); i++) {
isminetype mine = IsMine(pcoin->tx->vout[i]);
if (!(IsSpent(wtxid, i)) && mine != ISMINE_NO &&
@@ -1966,16 +2017,16 @@ void CWallet::AvailableCoins(vector<COutput>& vCoins, bool fOnlyConfirmed, const
vCoins.push_back(COutput(pcoin, i, nDepth,
((mine & ISMINE_SPENDABLE) != ISMINE_NO) ||
(coinControl && coinControl->fAllowWatchOnly && (mine & ISMINE_WATCH_SOLVABLE) != ISMINE_NO),
- (mine & (ISMINE_SPENDABLE | ISMINE_WATCH_SOLVABLE)) != ISMINE_NO));
+ (mine & (ISMINE_SPENDABLE | ISMINE_WATCH_SOLVABLE)) != ISMINE_NO, safeTx));
}
}
}
}
-static void ApproximateBestSubset(vector<pair<CAmount, pair<const CWalletTx*,unsigned int> > >vValue, const CAmount& nTotalLower, const CAmount& nTargetValue,
- vector<char>& vfBest, CAmount& nBest, int iterations = 1000)
+static void ApproximateBestSubset(std::vector<std::pair<CAmount, std::pair<const CWalletTx*,unsigned int> > >vValue, const CAmount& nTotalLower, const CAmount& nTargetValue,
+ std::vector<char>& vfBest, CAmount& nBest, int iterations = 1000)
{
- vector<char> vfIncluded;
+ std::vector<char> vfIncluded;
vfBest.assign(vValue.size(), true);
nBest = nTotalLower;
@@ -2018,17 +2069,17 @@ static void ApproximateBestSubset(vector<pair<CAmount, pair<const CWalletTx*,uns
}
}
-bool CWallet::SelectCoinsMinConf(const CAmount& nTargetValue, const int nConfMine, const int nConfTheirs, const uint64_t nMaxAncestors, vector<COutput> vCoins,
- set<pair<const CWalletTx*,unsigned int> >& setCoinsRet, CAmount& nValueRet) const
+bool CWallet::SelectCoinsMinConf(const CAmount& nTargetValue, const int nConfMine, const int nConfTheirs, const uint64_t nMaxAncestors, std::vector<COutput> vCoins,
+ std::set<std::pair<const CWalletTx*,unsigned int> >& setCoinsRet, CAmount& nValueRet) const
{
setCoinsRet.clear();
nValueRet = 0;
// List of values less than target
- pair<CAmount, pair<const CWalletTx*,unsigned int> > coinLowestLarger;
+ std::pair<CAmount, std::pair<const CWalletTx*,unsigned int> > coinLowestLarger;
coinLowestLarger.first = std::numeric_limits<CAmount>::max();
coinLowestLarger.second.first = NULL;
- vector<pair<CAmount, pair<const CWalletTx*,unsigned int> > > vValue;
+ std::vector<std::pair<CAmount, std::pair<const CWalletTx*,unsigned int> > > vValue;
CAmount nTotalLower = 0;
random_shuffle(vCoins.begin(), vCoins.end(), GetRandInt);
@@ -2049,7 +2100,7 @@ bool CWallet::SelectCoinsMinConf(const CAmount& nTargetValue, const int nConfMin
int i = output.i;
CAmount n = pcoin->tx->vout[i].nValue;
- pair<CAmount,pair<const CWalletTx*,unsigned int> > coin = make_pair(n,make_pair(pcoin, i));
+ std::pair<CAmount,std::pair<const CWalletTx*,unsigned int> > coin = std::make_pair(n,std::make_pair(pcoin, i));
if (n == nTargetValue)
{
@@ -2090,7 +2141,7 @@ bool CWallet::SelectCoinsMinConf(const CAmount& nTargetValue, const int nConfMin
// Solve subset sum by stochastic approximation
std::sort(vValue.begin(), vValue.end(), CompareValueOnly());
std::reverse(vValue.begin(), vValue.end());
- vector<char> vfBest;
+ std::vector<char> vfBest;
CAmount nBest;
ApproximateBestSubset(vValue, nTotalLower, nTargetValue, vfBest, nBest);
@@ -2123,9 +2174,9 @@ bool CWallet::SelectCoinsMinConf(const CAmount& nTargetValue, const int nConfMin
return true;
}
-bool CWallet::SelectCoins(const vector<COutput>& vAvailableCoins, const CAmount& nTargetValue, set<pair<const CWalletTx*,unsigned int> >& setCoinsRet, CAmount& nValueRet, const CCoinControl* coinControl) const
+bool CWallet::SelectCoins(const std::vector<COutput>& vAvailableCoins, const CAmount& nTargetValue, std::set<std::pair<const CWalletTx*,unsigned int> >& setCoinsRet, CAmount& nValueRet, const CCoinControl* coinControl) const
{
- vector<COutput> vCoins(vAvailableCoins);
+ std::vector<COutput> vCoins(vAvailableCoins);
// coin control -> return all selected outputs (we want all selected to go into the transaction for sure)
if (coinControl && coinControl->HasSelected() && !coinControl->fAllowOtherInputs)
@@ -2135,13 +2186,13 @@ bool CWallet::SelectCoins(const vector<COutput>& vAvailableCoins, const CAmount&
if (!out.fSpendable)
continue;
nValueRet += out.tx->tx->vout[out.i].nValue;
- setCoinsRet.insert(make_pair(out.tx, out.i));
+ setCoinsRet.insert(std::make_pair(out.tx, out.i));
}
return (nValueRet >= nTargetValue);
}
// calculate value from preset inputs and store them
- set<pair<const CWalletTx*, uint32_t> > setPresetCoins;
+ std::set<std::pair<const CWalletTx*, uint32_t> > setPresetCoins;
CAmount nValueFromPresetInputs = 0;
std::vector<COutPoint> vPresetInputs;
@@ -2149,7 +2200,7 @@ bool CWallet::SelectCoins(const vector<COutput>& vAvailableCoins, const CAmount&
coinControl->ListSelected(vPresetInputs);
BOOST_FOREACH(const COutPoint& outpoint, vPresetInputs)
{
- map<uint256, CWalletTx>::const_iterator it = mapWallet.find(outpoint.hash);
+ std::map<uint256, CWalletTx>::const_iterator it = mapWallet.find(outpoint.hash);
if (it != mapWallet.end())
{
const CWalletTx* pcoin = &it->second;
@@ -2157,15 +2208,15 @@ bool CWallet::SelectCoins(const vector<COutput>& vAvailableCoins, const CAmount&
if (pcoin->tx->vout.size() <= outpoint.n)
return false;
nValueFromPresetInputs += pcoin->tx->vout[outpoint.n].nValue;
- setPresetCoins.insert(make_pair(pcoin, outpoint.n));
+ setPresetCoins.insert(std::make_pair(pcoin, outpoint.n));
} else
return false; // TODO: Allow non-wallet inputs
}
// remove preset inputs from vCoins
- for (vector<COutput>::iterator it = vCoins.begin(); it != vCoins.end() && coinControl && coinControl->HasSelected();)
+ for (std::vector<COutput>::iterator it = vCoins.begin(); it != vCoins.end() && coinControl && coinControl->HasSelected();)
{
- if (setPresetCoins.count(make_pair(it->tx, it->i)))
+ if (setPresetCoins.count(std::make_pair(it->tx, it->i)))
it = vCoins.erase(it);
else
++it;
@@ -2192,14 +2243,15 @@ bool CWallet::SelectCoins(const vector<COutput>& vAvailableCoins, const CAmount&
return res;
}
-bool CWallet::FundTransaction(CMutableTransaction& tx, CAmount& nFeeRet, bool overrideEstimatedFeeRate, const CFeeRate& specificFeeRate, int& nChangePosInOut, std::string& strFailReason, bool includeWatching, bool lockUnspents, const CTxDestination& destChange)
+bool CWallet::FundTransaction(CMutableTransaction& tx, CAmount& nFeeRet, bool overrideEstimatedFeeRate, const CFeeRate& specificFeeRate, int& nChangePosInOut, std::string& strFailReason, bool includeWatching, bool lockUnspents, const std::set<int>& setSubtractFeeFromOutputs, bool keepReserveKey, const CTxDestination& destChange)
{
- vector<CRecipient> vecSend;
+ std::vector<CRecipient> vecSend;
// Turn the txout set into a CRecipient vector
- BOOST_FOREACH(const CTxOut& txOut, tx.vout)
+ for (size_t idx = 0; idx < tx.vout.size(); idx++)
{
- CRecipient recipient = {txOut.scriptPubKey, txOut.nValue, false};
+ const CTxOut& txOut = tx.vout[idx];
+ CRecipient recipient = {txOut.scriptPubKey, txOut.nValue, setSubtractFeeFromOutputs.count(idx) == 1};
vecSend.push_back(recipient);
}
@@ -2221,6 +2273,10 @@ bool CWallet::FundTransaction(CMutableTransaction& tx, CAmount& nFeeRet, bool ov
if (nChangePosInOut != -1)
tx.vout.insert(tx.vout.begin() + nChangePosInOut, wtx.tx->vout[nChangePosInOut]);
+ // Copy output sizes from new transaction; they may have had the fee subtracted from them
+ for (unsigned int idx = 0; idx < tx.vout.size(); idx++)
+ tx.vout[idx].nValue = wtx.tx->vout[idx].nValue;
+
// Add new txins (keeping original txin scriptSig/order)
BOOST_FOREACH(const CTxIn& txin, wtx.tx->vin)
{
@@ -2236,10 +2292,14 @@ bool CWallet::FundTransaction(CMutableTransaction& tx, CAmount& nFeeRet, bool ov
}
}
+ // optionally keep the change output key
+ if (keepReserveKey)
+ reservekey.KeepKey();
+
return true;
}
-bool CWallet::CreateTransaction(const vector<CRecipient>& vecSend, CWalletTx& wtxNew, CReserveKey& reservekey, CAmount& nFeeRet,
+bool CWallet::CreateTransaction(const std::vector<CRecipient>& vecSend, CWalletTx& wtxNew, CReserveKey& reservekey, CAmount& nFeeRet,
int& nChangePosInOut, std::string& strFailReason, const CCoinControl* coinControl, bool sign)
{
CAmount nValue = 0;
@@ -2300,7 +2360,7 @@ bool CWallet::CreateTransaction(const vector<CRecipient>& vecSend, CWalletTx& wt
assert(txNew.nLockTime < LOCKTIME_THRESHOLD);
{
- set<pair<const CWalletTx*,unsigned int> > setCoins;
+ std::set<std::pair<const CWalletTx*,unsigned int> > setCoins;
LOCK2(cs_main, cs_wallet);
{
std::vector<COutput> vAvailableCoins;
@@ -2319,7 +2379,6 @@ bool CWallet::CreateTransaction(const vector<CRecipient>& vecSend, CWalletTx& wt
CAmount nValueToSelect = nValue;
if (nSubtractFeeFromAmount == 0)
nValueToSelect += nFeeRet;
- double dPriority = 0;
// vouts to the payees
for (const auto& recipient : vecSend)
{
@@ -2336,7 +2395,7 @@ bool CWallet::CreateTransaction(const vector<CRecipient>& vecSend, CWalletTx& wt
}
}
- if (txout.IsDust(::minRelayTxFee))
+ if (txout.IsDust(dustRelayFee))
{
if (recipient.fSubtractFeeFromAmount && nFeeRet > 0)
{
@@ -2360,19 +2419,6 @@ bool CWallet::CreateTransaction(const vector<CRecipient>& vecSend, CWalletTx& wt
strFailReason = _("Insufficient funds");
return false;
}
- for (const auto& pcoin : setCoins)
- {
- CAmount nCredit = pcoin.first->tx->vout[pcoin.second].nValue;
- //The coin age after the next block (depth+1) is used instead of the current,
- //reflecting an assumption the user would accept a bit more delay for
- //a chance at a free transaction.
- //But mempool inputs might still be in the mempool, so their age stays 0
- int age = pcoin.first->GetDepthInMainChain();
- assert(age >= 0);
- if (age != 0)
- age += 1;
- dPriority += (double)nCredit * age;
- }
const CAmount nChange = nValueIn - nValueToSelect;
if (nChange > 0)
@@ -2414,16 +2460,16 @@ bool CWallet::CreateTransaction(const vector<CRecipient>& vecSend, CWalletTx& wt
// We do not move dust-change to fees, because the sender would end up paying more than requested.
// This would be against the purpose of the all-inclusive feature.
// So instead we raise the change and deduct from the recipient.
- if (nSubtractFeeFromAmount > 0 && newTxOut.IsDust(::minRelayTxFee))
+ if (nSubtractFeeFromAmount > 0 && newTxOut.IsDust(dustRelayFee))
{
- CAmount nDust = newTxOut.GetDustThreshold(::minRelayTxFee) - newTxOut.nValue;
+ CAmount nDust = newTxOut.GetDustThreshold(dustRelayFee) - newTxOut.nValue;
newTxOut.nValue += nDust; // raise change until no more dust
for (unsigned int i = 0; i < vecSend.size(); i++) // subtract from first recipient
{
if (vecSend[i].fSubtractFeeFromAmount)
{
txNew.vout[i].nValue -= nDust;
- if (txNew.vout[i].IsDust(::minRelayTxFee))
+ if (txNew.vout[i].IsDust(dustRelayFee))
{
strFailReason = _("The transaction amount is too small to send after the fee has been deducted");
return false;
@@ -2435,7 +2481,7 @@ bool CWallet::CreateTransaction(const vector<CRecipient>& vecSend, CWalletTx& wt
// Never create dust outputs; if we would, just
// add the dust to the fee.
- if (newTxOut.IsDust(::minRelayTxFee))
+ if (newTxOut.IsDust(dustRelayFee))
{
nChangePosInOut = -1;
nFeeRet += nChange;
@@ -2454,7 +2500,7 @@ bool CWallet::CreateTransaction(const vector<CRecipient>& vecSend, CWalletTx& wt
return false;
}
- vector<CTxOut>::iterator position = txNew.vout.begin()+nChangePosInOut;
+ std::vector<CTxOut>::iterator position = txNew.vout.begin()+nChangePosInOut;
txNew.vout.insert(position, newTxOut);
}
}
@@ -2469,34 +2515,21 @@ bool CWallet::CreateTransaction(const vector<CRecipient>& vecSend, CWalletTx& wt
// BIP125 defines opt-in RBF as any nSequence < maxint-1, so
// we use the highest possible value in that range (maxint-2)
// to avoid conflicting with other possible uses of nSequence,
- // and in the spirit of "smallest posible change from prior
+ // and in the spirit of "smallest possible change from prior
// behavior."
for (const auto& coin : setCoins)
txNew.vin.push_back(CTxIn(coin.first->GetHash(),coin.second,CScript(),
std::numeric_limits<unsigned int>::max() - (fWalletRbf ? 2 : 1)));
// Fill in dummy signatures for fee calculation.
- int nIn = 0;
- for (const auto& coin : setCoins)
- {
- const CScript& scriptPubKey = coin.first->tx->vout[coin.second].scriptPubKey;
- SignatureData sigdata;
-
- if (!ProduceSignature(DummySignatureCreator(this), scriptPubKey, sigdata))
- {
- strFailReason = _("Signing transaction failed");
- return false;
- } else {
- UpdateTransaction(txNew, nIn, sigdata);
- }
-
- nIn++;
+ if (!DummySignTx(txNew, setCoins)) {
+ strFailReason = _("Signing transaction failed");
+ return false;
}
unsigned int nBytes = GetVirtualTransactionSize(txNew);
CTransaction txNewConst(txNew);
- dPriority = txNewConst.ComputePriority(dPriority, nBytes);
// Remove scriptSigs to eliminate the fee calculation dummy signatures
for (auto& vin : txNew.vin) {
@@ -2509,16 +2542,6 @@ bool CWallet::CreateTransaction(const vector<CRecipient>& vecSend, CWalletTx& wt
if (coinControl && coinControl->nConfirmTarget > 0)
currentConfirmationTarget = coinControl->nConfirmTarget;
- // Can we complete this as a free transaction?
- if (fSendFreeTransactions && nBytes <= MAX_FREE_TRANSACTION_CREATE_SIZE)
- {
- // Not enough fee: enough priority?
- double dPriorityNeeded = mempool.estimateSmartPriority(currentConfirmationTarget);
- // Require at least hard-coded AllowFree.
- if (dPriority >= dPriorityNeeded && AllowFree(dPriority))
- break;
- }
-
CAmount nFeeNeeded = GetMinimumFee(nBytes, currentConfirmationTarget, mempool);
if (coinControl && nFeeNeeded > 0 && coinControl->nMinimumTotalFee > nFeeNeeded) {
nFeeNeeded = coinControl->nMinimumTotalFee;
@@ -2534,8 +2557,37 @@ bool CWallet::CreateTransaction(const vector<CRecipient>& vecSend, CWalletTx& wt
return false;
}
- if (nFeeRet >= nFeeNeeded)
+ if (nFeeRet >= nFeeNeeded) {
+ // Reduce fee to only the needed amount if we have change
+ // output to increase. This prevents potential overpayment
+ // in fees if the coins selected to meet nFeeNeeded result
+ // in a transaction that requires less fee than the prior
+ // iteration.
+ // TODO: The case where nSubtractFeeFromAmount > 0 remains
+ // to be addressed because it requires returning the fee to
+ // the payees and not the change output.
+ // TODO: The case where there is no change output remains
+ // to be addressed so we avoid creating too small an output.
+ if (nFeeRet > nFeeNeeded && nChangePosInOut != -1 && nSubtractFeeFromAmount == 0) {
+ CAmount extraFeePaid = nFeeRet - nFeeNeeded;
+ std::vector<CTxOut>::iterator change_position = txNew.vout.begin()+nChangePosInOut;
+ change_position->nValue += extraFeePaid;
+ nFeeRet -= extraFeePaid;
+ }
break; // Done, enough fee included.
+ }
+
+ // Try to reduce change to include necessary fee
+ if (nChangePosInOut != -1 && nSubtractFeeFromAmount == 0) {
+ CAmount additionalFeeNeeded = nFeeNeeded - nFeeRet;
+ std::vector<CTxOut>::iterator change_position = txNew.vout.begin()+nChangePosInOut;
+ // Only reduce change if remaining amount is still a large enough output.
+ if (change_position->nValue >= MIN_FINAL_CHANGE + additionalFeeNeeded) {
+ change_position->nValue -= additionalFeeNeeded;
+ nFeeRet += additionalFeeNeeded;
+ break; // Done, able to increase fee from change
+ }
+ }
// Include more fee and try again.
nFeeRet = nFeeNeeded;
@@ -2578,7 +2630,7 @@ bool CWallet::CreateTransaction(const vector<CRecipient>& vecSend, CWalletTx& wt
if (GetBoolArg("-walletrejectlongchains", DEFAULT_WALLET_REJECT_LONG_CHAINS)) {
// Lastly, ensure this tx will pass the mempool's chain limits
LockPoints lp;
- CTxMemPoolEntry entry(wtxNew.tx, 0, 0, 0, 0, 0, false, 0, lp);
+ CTxMemPoolEntry entry(wtxNew.tx, 0, 0, 0, false, 0, lp);
CTxMemPool::setEntries setAncestors;
size_t nLimitAncestors = GetArg("-limitancestorcount", DEFAULT_ANCESTOR_LIMIT);
size_t nLimitAncestorSize = GetArg("-limitancestorsize", DEFAULT_ANCESTOR_SIZE_LIMIT)*1000;
@@ -2654,7 +2706,7 @@ bool CWallet::AddAccountingEntry(const CAccountingEntry& acentry, CWalletDB *pwa
laccentries.push_back(acentry);
CAccountingEntry & entry = laccentries.back();
- wtxOrdered.insert(make_pair(entry.nOrderPos, TxPair((CWalletTx*)0, &entry)));
+ wtxOrdered.insert(std::make_pair(entry.nOrderPos, TxPair((CWalletTx*)0, &entry)));
return true;
}
@@ -2666,8 +2718,13 @@ CAmount CWallet::GetRequiredFee(unsigned int nTxBytes)
CAmount CWallet::GetMinimumFee(unsigned int nTxBytes, unsigned int nConfirmTarget, const CTxMemPool& pool)
{
- // payTxFee is user-set "I want to pay this much"
- CAmount nFeeNeeded = payTxFee.GetFee(nTxBytes);
+ // payTxFee is the user-set global for desired feerate
+ return GetMinimumFee(nTxBytes, nConfirmTarget, pool, payTxFee.GetFee(nTxBytes));
+}
+
+CAmount CWallet::GetMinimumFee(unsigned int nTxBytes, unsigned int nConfirmTarget, const CTxMemPool& pool, CAmount targetFee)
+{
+ CAmount nFeeNeeded = targetFee;
// User didn't set: use -txconfirmtarget to estimate...
if (nFeeNeeded == 0) {
int estimateFoundTarget = nConfirmTarget;
@@ -2714,16 +2771,20 @@ DBErrors CWallet::LoadWallet(bool& fFirstRunRet)
return DB_LOAD_OK;
}
-DBErrors CWallet::ZapSelectTx(vector<uint256>& vHashIn, vector<uint256>& vHashOut)
+DBErrors CWallet::ZapSelectTx(std::vector<uint256>& vHashIn, std::vector<uint256>& vHashOut)
{
if (!fFileBacked)
return DB_LOAD_OK;
- DBErrors nZapSelectTxRet = CWalletDB(strWalletFile,"cr+").ZapSelectTx(this, vHashIn, vHashOut);
+ AssertLockHeld(cs_wallet); // mapWallet
+ vchDefaultKey = CPubKey();
+ DBErrors nZapSelectTxRet = CWalletDB(strWalletFile,"cr+").ZapSelectTx(vHashIn, vHashOut);
+ for (uint256 hash : vHashOut)
+ mapWallet.erase(hash);
+
if (nZapSelectTxRet == DB_NEED_REWRITE)
{
if (CDB::Rewrite(strWalletFile, "\x04pool"))
{
- LOCK(cs_wallet);
setKeyPool.clear();
// Note: can't top-up keypool here, because wallet is locked.
// User will be prompted to unlock wallet the next operation
@@ -2744,7 +2805,8 @@ DBErrors CWallet::ZapWalletTx(std::vector<CWalletTx>& vWtx)
{
if (!fFileBacked)
return DB_LOAD_OK;
- DBErrors nZapWalletTxRet = CWalletDB(strWalletFile,"cr+").ZapWalletTx(this, vWtx);
+ vchDefaultKey = CPubKey();
+ DBErrors nZapWalletTxRet = CWalletDB(strWalletFile,"cr+").ZapWalletTx(vWtx);
if (nZapWalletTxRet == DB_NEED_REWRITE)
{
if (CDB::Rewrite(strWalletFile, "\x04pool"))
@@ -2764,7 +2826,7 @@ DBErrors CWallet::ZapWalletTx(std::vector<CWalletTx>& vWtx)
}
-bool CWallet::SetAddressBook(const CTxDestination& address, const string& strName, const string& strPurpose)
+bool CWallet::SetAddressBook(const CTxDestination& address, const std::string& strName, const std::string& strPurpose)
{
bool fUpdated = false;
{
@@ -2793,7 +2855,7 @@ bool CWallet::DelAddressBook(const CTxDestination& address)
{
// Delete destdata tuples associated with address
std::string strAddress = CBitcoinAddress(address).ToString();
- BOOST_FOREACH(const PAIRTYPE(string, string) &item, mapAddressBook[address].destdata)
+ BOOST_FOREACH(const PAIRTYPE(std::string, std::string) &item, mapAddressBook[address].destdata)
{
CWalletDB(strWalletFile).EraseDestData(strAddress, item.first);
}
@@ -2836,7 +2898,7 @@ bool CWallet::NewKeyPool()
if (IsLocked())
return false;
- int64_t nKeys = max(GetArg("-keypool", DEFAULT_KEYPOOL_SIZE), (int64_t)0);
+ int64_t nKeys = std::max(GetArg("-keypool", DEFAULT_KEYPOOL_SIZE), (int64_t)0);
for (int i = 0; i < nKeys; i++)
{
int64_t nIndex = i+1;
@@ -2863,7 +2925,7 @@ bool CWallet::TopUpKeyPool(unsigned int kpSize)
if (kpSize > 0)
nTargetSize = kpSize;
else
- nTargetSize = max(GetArg("-keypool", DEFAULT_KEYPOOL_SIZE), (int64_t) 0);
+ nTargetSize = std::max(GetArg("-keypool", DEFAULT_KEYPOOL_SIZE), (int64_t) 0);
while (setKeyPool.size() < (nTargetSize + 1))
{
@@ -2871,7 +2933,7 @@ bool CWallet::TopUpKeyPool(unsigned int kpSize)
if (!setKeyPool.empty())
nEnd = *(--setKeyPool.end()) + 1;
if (!walletdb.WritePool(nEnd, CKeyPool(GenerateNewKey())))
- throw runtime_error(std::string(__func__) + ": writing generated key failed");
+ throw std::runtime_error(std::string(__func__) + ": writing generated key failed");
setKeyPool.insert(nEnd);
LogPrintf("keypool added key %d, size=%u\n", nEnd, setKeyPool.size());
}
@@ -2898,9 +2960,9 @@ void CWallet::ReserveKeyFromKeyPool(int64_t& nIndex, CKeyPool& keypool)
nIndex = *(setKeyPool.begin());
setKeyPool.erase(setKeyPool.begin());
if (!walletdb.ReadPool(nIndex, keypool))
- throw runtime_error(std::string(__func__) + ": read failed");
+ throw std::runtime_error(std::string(__func__) + ": read failed");
if (!HaveKey(keypool.vchPubKey.GetID()))
- throw runtime_error(std::string(__func__) + ": unknown key in key pool");
+ throw std::runtime_error(std::string(__func__) + ": unknown key in key pool");
assert(keypool.vchPubKey.IsValid());
LogPrintf("keypool reserve %d\n", nIndex);
}
@@ -2959,14 +3021,14 @@ int64_t CWallet::GetOldestKeyPoolTime()
CWalletDB walletdb(strWalletFile);
int64_t nIndex = *(setKeyPool.begin());
if (!walletdb.ReadPool(nIndex, keypool))
- throw runtime_error(std::string(__func__) + ": read oldest key in keypool failed");
+ throw std::runtime_error(std::string(__func__) + ": read oldest key in keypool failed");
assert(keypool.vchPubKey.IsValid());
return keypool.nTime;
}
std::map<CTxDestination, CAmount> CWallet::GetAddressBalances()
{
- map<CTxDestination, CAmount> balances;
+ std::map<CTxDestination, CAmount> balances;
{
LOCK(cs_wallet);
@@ -3004,11 +3066,11 @@ std::map<CTxDestination, CAmount> CWallet::GetAddressBalances()
return balances;
}
-set< set<CTxDestination> > CWallet::GetAddressGroupings()
+std::set< std::set<CTxDestination> > CWallet::GetAddressGroupings()
{
AssertLockHeld(cs_wallet); // mapWallet
- set< set<CTxDestination> > groupings;
- set<CTxDestination> grouping;
+ std::set< std::set<CTxDestination> > groupings;
+ std::set<CTxDestination> grouping;
BOOST_FOREACH(PAIRTYPE(uint256, CWalletTx) walletEntry, mapWallet)
{
@@ -3061,20 +3123,20 @@ set< set<CTxDestination> > CWallet::GetAddressGroupings()
}
}
- set< set<CTxDestination>* > uniqueGroupings; // a set of pointers to groups of addresses
- map< CTxDestination, set<CTxDestination>* > setmap; // map addresses to the unique group containing it
- BOOST_FOREACH(set<CTxDestination> _grouping, groupings)
+ std::set< std::set<CTxDestination>* > uniqueGroupings; // a set of pointers to groups of addresses
+ std::map< CTxDestination, std::set<CTxDestination>* > setmap; // map addresses to the unique group containing it
+ BOOST_FOREACH(std::set<CTxDestination> _grouping, groupings)
{
// make a set of all the groups hit by this new group
- set< set<CTxDestination>* > hits;
- map< CTxDestination, set<CTxDestination>* >::iterator it;
+ std::set< std::set<CTxDestination>* > hits;
+ std::map< CTxDestination, std::set<CTxDestination>* >::iterator it;
BOOST_FOREACH(CTxDestination address, _grouping)
if ((it = setmap.find(address)) != setmap.end())
hits.insert((*it).second);
// merge all hit groups into a new single group and delete old groups
- set<CTxDestination>* merged = new set<CTxDestination>(_grouping);
- BOOST_FOREACH(set<CTxDestination>* hit, hits)
+ std::set<CTxDestination>* merged = new std::set<CTxDestination>(_grouping);
+ BOOST_FOREACH(std::set<CTxDestination>* hit, hits)
{
merged->insert(hit->begin(), hit->end());
uniqueGroupings.erase(hit);
@@ -3087,8 +3149,8 @@ set< set<CTxDestination> > CWallet::GetAddressGroupings()
setmap[element] = merged;
}
- set< set<CTxDestination> > ret;
- BOOST_FOREACH(set<CTxDestination>* uniqueGrouping, uniqueGroupings)
+ std::set< std::set<CTxDestination> > ret;
+ BOOST_FOREACH(std::set<CTxDestination>* uniqueGrouping, uniqueGroupings)
{
ret.insert(*uniqueGrouping);
delete uniqueGrouping;
@@ -3108,7 +3170,7 @@ CAmount CWallet::GetAccountBalance(CWalletDB& walletdb, const std::string& strAc
CAmount nBalance = 0;
// Tally wallet transactions
- for (map<uint256, CWalletTx>::iterator it = mapWallet.begin(); it != mapWallet.end(); ++it)
+ for (std::map<uint256, CWalletTx>::iterator it = mapWallet.begin(); it != mapWallet.end(); ++it)
{
const CWalletTx& wtx = (*it).second;
if (!CheckFinalTx(wtx) || wtx.GetBlocksToMaturity() > 0 || wtx.GetDepthInMainChain() < 0)
@@ -3131,11 +3193,11 @@ CAmount CWallet::GetAccountBalance(CWalletDB& walletdb, const std::string& strAc
std::set<CTxDestination> CWallet::GetAccountAddresses(const std::string& strAccount) const
{
LOCK(cs_wallet);
- set<CTxDestination> result;
+ std::set<CTxDestination> result;
BOOST_FOREACH(const PAIRTYPE(CTxDestination, CAddressBookData)& item, mapAddressBook)
{
const CTxDestination& address = item.first;
- const string& strName = item.second.name;
+ const std::string& strName = item.second.name;
if (strName == strAccount)
result.insert(address);
}
@@ -3175,7 +3237,7 @@ void CReserveKey::ReturnKey()
vchPubKey = CPubKey();
}
-void CWallet::GetAllReserveKeys(set<CKeyID>& setAddress) const
+void CWallet::GetAllReserveKeys(std::set<CKeyID>& setAddress) const
{
setAddress.clear();
@@ -3186,11 +3248,11 @@ void CWallet::GetAllReserveKeys(set<CKeyID>& setAddress) const
{
CKeyPool keypool;
if (!walletdb.ReadPool(id, keypool))
- throw runtime_error(std::string(__func__) + ": read failed");
+ throw std::runtime_error(std::string(__func__) + ": read failed");
assert(keypool.vchPubKey.IsValid());
CKeyID keyID = keypool.vchPubKey.GetID();
if (!HaveKey(keyID))
- throw runtime_error(std::string(__func__) + ": unknown key in key pool");
+ throw std::runtime_error(std::string(__func__) + ": unknown key in key pool");
setAddress.insert(keyID);
}
}
@@ -3200,7 +3262,7 @@ void CWallet::UpdatedTransaction(const uint256 &hashTx)
{
LOCK(cs_wallet);
// Only notify UI if this transaction is in this wallet
- map<uint256, CWalletTx>::const_iterator mi = mapWallet.find(hashTx);
+ std::map<uint256, CWalletTx>::const_iterator mi = mapWallet.find(hashTx);
if (mi != mapWallet.end())
NotifyTransactionChanged(this, hashTx, CT_UPDATED);
}
@@ -3287,14 +3349,16 @@ public:
void operator()(const CNoDestination &none) {}
};
-void CWallet::GetKeyBirthTimes(std::map<CKeyID, int64_t> &mapKeyBirth) const {
+void CWallet::GetKeyBirthTimes(std::map<CTxDestination, int64_t> &mapKeyBirth) const {
AssertLockHeld(cs_wallet); // mapKeyMetadata
mapKeyBirth.clear();
// get birth times for keys with metadata
- for (std::map<CKeyID, CKeyMetadata>::const_iterator it = mapKeyMetadata.begin(); it != mapKeyMetadata.end(); it++)
- if (it->second.nCreateTime)
- mapKeyBirth[it->first] = it->second.nCreateTime;
+ for (const auto& entry : mapKeyMetadata) {
+ if (entry.second.nCreateTime) {
+ mapKeyBirth[entry.first] = entry.second.nCreateTime;
+ }
+ }
// map in which we'll infer heights of other keys
CBlockIndex *pindexMax = chainActive[std::max(0, chainActive.Height() - 144)]; // the tip can be reorganized; use a 144-block safety margin
@@ -3336,7 +3400,72 @@ void CWallet::GetKeyBirthTimes(std::map<CKeyID, int64_t> &mapKeyBirth) const {
// Extract block timestamps for those keys
for (std::map<CKeyID, CBlockIndex*>::const_iterator it = mapKeyFirstBlock.begin(); it != mapKeyFirstBlock.end(); it++)
- mapKeyBirth[it->first] = it->second->GetBlockTime() - 7200; // block times can be 2h off
+ mapKeyBirth[it->first] = it->second->GetBlockTime() - TIMESTAMP_WINDOW; // block times can be 2h off
+}
+
+/**
+ * Compute smart timestamp for a transaction being added to the wallet.
+ *
+ * Logic:
+ * - If sending a transaction, assign its timestamp to the current time.
+ * - If receiving a transaction outside a block, assign its timestamp to the
+ * current time.
+ * - If receiving a block with a future timestamp, assign all its (not already
+ * known) transactions' timestamps to the current time.
+ * - If receiving a block with a past timestamp, before the most recent known
+ * transaction (that we care about), assign all its (not already known)
+ * transactions' timestamps to the same timestamp as that most-recent-known
+ * transaction.
+ * - If receiving a block with a past timestamp, but after the most recent known
+ * transaction, assign all its (not already known) transactions' timestamps to
+ * the block time.
+ *
+ * For more information see CWalletTx::nTimeSmart,
+ * https://bitcointalk.org/?topic=54527, or
+ * https://github.com/bitcoin/bitcoin/pull/1393.
+ */
+unsigned int CWallet::ComputeTimeSmart(const CWalletTx& wtx) const
+{
+ unsigned int nTimeSmart = wtx.nTimeReceived;
+ if (!wtx.hashUnset()) {
+ if (mapBlockIndex.count(wtx.hashBlock)) {
+ int64_t latestNow = wtx.nTimeReceived;
+ int64_t latestEntry = 0;
+
+ // Tolerate times up to the last timestamp in the wallet not more than 5 minutes into the future
+ int64_t latestTolerated = latestNow + 300;
+ const TxItems& txOrdered = wtxOrdered;
+ for (auto it = txOrdered.rbegin(); it != txOrdered.rend(); ++it) {
+ CWalletTx* const pwtx = it->second.first;
+ if (pwtx == &wtx) {
+ continue;
+ }
+ CAccountingEntry* const pacentry = it->second.second;
+ int64_t nSmartTime;
+ if (pwtx) {
+ nSmartTime = pwtx->nTimeSmart;
+ if (!nSmartTime) {
+ nSmartTime = pwtx->nTimeReceived;
+ }
+ } else {
+ nSmartTime = pacentry->nTime;
+ }
+ if (nSmartTime <= latestTolerated) {
+ latestEntry = nSmartTime;
+ if (nSmartTime > latestNow) {
+ latestNow = nSmartTime;
+ }
+ break;
+ }
+ }
+
+ int64_t blocktime = mapBlockIndex[wtx.hashBlock]->GetBlockTime();
+ nTimeSmart = std::max(latestEntry, std::min(blocktime, latestNow));
+ } else {
+ LogPrintf("%s: found %s in block %s not in index\n", __func__, wtx.GetHash().ToString(), wtx.hashBlock.ToString());
+ }
+ }
+ return nTimeSmart;
}
bool CWallet::AddDestData(const CTxDestination &dest, const std::string &key, const std::string &value)
@@ -3394,8 +3523,6 @@ std::string CWallet::GetWalletHelpString(bool showDebug)
CURRENCY_UNIT, FormatMoney(payTxFee.GetFeePerK())));
strUsage += HelpMessageOpt("-rescan", _("Rescan the block chain for missing wallet transactions on startup"));
strUsage += HelpMessageOpt("-salvagewallet", _("Attempt to recover private keys from a corrupt wallet on startup"));
- if (showDebug)
- strUsage += HelpMessageOpt("-sendfreetransactions", strprintf(_("Send transactions as zero-fee transactions if possible (default: %u)"), DEFAULT_SEND_FREE_TRANSACTIONS));
strUsage += HelpMessageOpt("-spendzeroconfchange", strprintf(_("Spend unconfirmed change when sending transactions (default: %u)"), DEFAULT_SPEND_ZEROCONF_CHANGE));
strUsage += HelpMessageOpt("-txconfirmtarget=<n>", strprintf(_("If paytxfee is not set, include enough fee so transactions begin confirmation on average within n blocks (default: %u)"), DEFAULT_TX_CONFIRM_TARGET));
strUsage += HelpMessageOpt("-usehd", _("Use hierarchical deterministic key generation (HD) after BIP32. Only has effect during wallet creation/first start") + " " + strprintf(_("(default: %u)"), DEFAULT_USE_HD_WALLET));
@@ -3527,17 +3654,13 @@ CWallet* CWallet::CreateWalletFromFile(const std::string walletFile)
RegisterValidationInterface(walletInstance);
- CBlockIndex *pindexRescan = chainActive.Tip();
- if (GetBoolArg("-rescan", false))
- pindexRescan = chainActive.Genesis();
- else
+ CBlockIndex *pindexRescan = chainActive.Genesis();
+ if (!GetBoolArg("-rescan", false))
{
CWalletDB walletdb(walletFile);
CBlockLocator locator;
if (walletdb.ReadBestBlock(locator))
pindexRescan = FindForkInGlobalIndex(chainActive, locator);
- else
- pindexRescan = chainActive.Genesis();
}
if (chainActive.Tip() && chainActive.Tip() != pindexRescan)
{
@@ -3562,7 +3685,7 @@ CWallet* CWallet::CreateWalletFromFile(const std::string walletFile)
walletInstance->ScanForWalletTransactions(pindexRescan, true);
LogPrintf(" rescan %15dms\n", GetTimeMillis() - nStart);
walletInstance->SetBestChain(chainActive.GetLocator());
- nWalletDBUpdated++;
+ CWalletDB::IncrementUpdateCounter();
// Restore wallet transaction metadata after -zapwallettxes=1
if (GetBoolArg("-zapwallettxes", false) && GetArg("-zapwallettxes", "1") != "2")
@@ -3611,6 +3734,12 @@ bool CWallet::InitLoadWallet()
std::string walletFile = GetArg("-wallet", DEFAULT_WALLET_DAT);
+ if (walletFile.find_first_of("/\\") != std::string::npos) {
+ return InitError(_("-wallet parameter must only specify a filename (not a path)"));
+ } else if (SanitizeString(walletFile, SAFE_CHARS_FILENAME) != walletFile) {
+ return InitError(_("Invalid characters in -wallet filename"));
+ }
+
CWallet * const pwallet = CreateWalletFromFile(walletFile);
if (!pwallet) {
return false;
@@ -3620,17 +3749,17 @@ bool CWallet::InitLoadWallet()
return true;
}
-std::atomic<bool> CWallet::fFlushThreadRunning(false);
+std::atomic<bool> CWallet::fFlushScheduled(false);
-void CWallet::postInitProcess(boost::thread_group& threadGroup)
+void CWallet::postInitProcess(CScheduler& scheduler)
{
// Add wallet transactions that aren't already in a block to mempool
// Do this here as mempool requires genesis block to be loaded
ReacceptWalletTransactions();
// Run a thread to flush wallet periodically
- if (!CWallet::fFlushThreadRunning.exchange(true)) {
- threadGroup.create_thread(ThreadFlushWalletDB);
+ if (!CWallet::fFlushScheduled.exchange(true)) {
+ scheduler.scheduleEvery(MaybeCompactWalletDB, 500);
}
}
@@ -3714,12 +3843,8 @@ bool CWallet::ParameterInteraction()
}
nTxConfirmTarget = GetArg("-txconfirmtarget", DEFAULT_TX_CONFIRM_TARGET);
bSpendZeroConfChange = GetBoolArg("-spendzeroconfchange", DEFAULT_SPEND_ZEROCONF_CHANGE);
- fSendFreeTransactions = GetBoolArg("-sendfreetransactions", DEFAULT_SEND_FREE_TRANSACTIONS);
fWalletRbf = GetBoolArg("-walletrbf", DEFAULT_WALLET_RBF);
- if (fSendFreeTransactions && GetArg("-limitfreerelay", DEFAULT_LIMITFREERELAY) <= 0)
- return InitError("Creation of free transactions with their relay disabled is not supported.");
-
return true;
}
@@ -3745,11 +3870,7 @@ bool CWallet::BackupWallet(const std::string& strDest)
pathDest /= strWalletFile;
try {
-#if BOOST_VERSION >= 104000
boost::filesystem::copy_file(pathSrc, pathDest, boost::filesystem::copy_option::overwrite_if_exists);
-#else
- boost::filesystem::copy_file(pathSrc, pathDest);
-#endif
LogPrintf("copied %s to %s\n", strWalletFile, pathDest.string());
return true;
} catch (const boost::filesystem::filesystem_error& e) {
@@ -3812,11 +3933,11 @@ int CMerkleTx::GetBlocksToMaturity() const
{
if (!IsCoinBase())
return 0;
- return max(0, (COINBASE_MATURITY+1) - GetDepthInMainChain());
+ return std::max(0, (COINBASE_MATURITY+1) - GetDepthInMainChain());
}
bool CMerkleTx::AcceptToMemoryPool(const CAmount& nAbsurdFee, CValidationState& state)
{
- return ::AcceptToMemoryPool(mempool, state, tx, true, NULL, false, nAbsurdFee);
+ return ::AcceptToMemoryPool(mempool, state, tx, true, NULL, NULL, false, nAbsurdFee);
}
generated by cgit v1.2.3 (git 2.26.2) at 2024-11-02 22:00:14 +0000