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-rw-r--r--src/wallet/wallet.cpp191
1 files changed, 121 insertions, 70 deletions
diff --git a/src/wallet/wallet.cpp b/src/wallet/wallet.cpp
index 00e97d3c7f..9676832560 100644
--- a/src/wallet/wallet.cpp
+++ b/src/wallet/wallet.cpp
@@ -1,5 +1,5 @@
// Copyright (c) 2009-2010 Satoshi Nakamoto
-// Copyright (c) 2009-2015 The Bitcoin Core developers
+// Copyright (c) 2009-2016 The Bitcoin Core developers
// Distributed under the MIT software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
@@ -1009,8 +1009,7 @@ bool CWallet::AbandonTransaction(const uint256& hashTx)
{
LOCK2(cs_main, cs_wallet);
- // Do not flush the wallet here for performance reasons
- CWalletDB walletdb(strWalletFile, "r+", false);
+ CWalletDB walletdb(strWalletFile, "r+");
std::set<uint256> todo;
std::set<uint256> done;
@@ -1542,9 +1541,11 @@ void CWallet::ReacceptWalletTransactions()
bool CWalletTx::RelayWalletTransaction(CConnman* connman)
{
assert(pwallet->GetBroadcastTransactions());
- if (!IsCoinBase())
+ if (!IsCoinBase() && !isAbandoned() && GetDepthInMainChain() == 0)
{
- if (GetDepthInMainChain() == 0 && !isAbandoned() && InMempool()) {
+ CValidationState state;
+ /* GetDepthInMainChain already catches known conflicts. */
+ if (InMempool() || AcceptToMemoryPool(maxTxFee, state)) {
LogPrintf("Relaying wtx %s\n", GetHash().ToString());
if (connman) {
CInv inv(MSG_TX, GetHash());
@@ -2017,7 +2018,7 @@ static void ApproximateBestSubset(vector<pair<CAmount, pair<const CWalletTx*,uns
}
}
-bool CWallet::SelectCoinsMinConf(const CAmount& nTargetValue, int nConfMine, int nConfTheirs, vector<COutput> vCoins,
+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
{
setCoinsRet.clear();
@@ -2042,6 +2043,9 @@ bool CWallet::SelectCoinsMinConf(const CAmount& nTargetValue, int nConfMine, int
if (output.nDepth < (pcoin->IsFromMe(ISMINE_ALL) ? nConfMine : nConfTheirs))
continue;
+ if (!mempool.TransactionWithinChainLimit(pcoin->GetHash(), nMaxAncestors))
+ continue;
+
int i = output.i;
CAmount n = pcoin->tx->vout[i].nValue;
@@ -2167,10 +2171,17 @@ bool CWallet::SelectCoins(const vector<COutput>& vAvailableCoins, const CAmount&
++it;
}
+ size_t nMaxChainLength = std::min(GetArg("-limitancestorcount", DEFAULT_ANCESTOR_LIMIT), GetArg("-limitdescendantcount", DEFAULT_DESCENDANT_LIMIT));
+ bool fRejectLongChains = GetBoolArg("-walletrejectlongchains", DEFAULT_WALLET_REJECT_LONG_CHAINS);
+
bool res = nTargetValue <= nValueFromPresetInputs ||
- SelectCoinsMinConf(nTargetValue - nValueFromPresetInputs, 1, 6, vCoins, setCoinsRet, nValueRet) ||
- SelectCoinsMinConf(nTargetValue - nValueFromPresetInputs, 1, 1, vCoins, setCoinsRet, nValueRet) ||
- (bSpendZeroConfChange && SelectCoinsMinConf(nTargetValue - nValueFromPresetInputs, 0, 1, vCoins, setCoinsRet, nValueRet));
+ SelectCoinsMinConf(nTargetValue - nValueFromPresetInputs, 1, 6, 0, vCoins, setCoinsRet, nValueRet) ||
+ SelectCoinsMinConf(nTargetValue - nValueFromPresetInputs, 1, 1, 0, vCoins, setCoinsRet, nValueRet) ||
+ (bSpendZeroConfChange && SelectCoinsMinConf(nTargetValue - nValueFromPresetInputs, 0, 1, 2, vCoins, setCoinsRet, nValueRet)) ||
+ (bSpendZeroConfChange && SelectCoinsMinConf(nTargetValue - nValueFromPresetInputs, 0, 1, std::min((size_t)4, nMaxChainLength/3), vCoins, setCoinsRet, nValueRet)) ||
+ (bSpendZeroConfChange && SelectCoinsMinConf(nTargetValue - nValueFromPresetInputs, 0, 1, nMaxChainLength/2, vCoins, setCoinsRet, nValueRet)) ||
+ (bSpendZeroConfChange && SelectCoinsMinConf(nTargetValue - nValueFromPresetInputs, 0, 1, nMaxChainLength, vCoins, setCoinsRet, nValueRet)) ||
+ (bSpendZeroConfChange && !fRejectLongChains && SelectCoinsMinConf(nTargetValue - nValueFromPresetInputs, 0, 1, std::numeric_limits<uint64_t>::max(), vCoins, setCoinsRet, nValueRet));
// because SelectCoinsMinConf clears the setCoinsRet, we now add the possible inputs to the coinset
setCoinsRet.insert(setPresetCoins.begin(), setPresetCoins.end());
@@ -2301,7 +2312,6 @@ bool CWallet::CreateTransaction(const vector<CRecipient>& vecSend, CWalletTx& wt
nChangePosInOut = nChangePosRequest;
txNew.vin.clear();
txNew.vout.clear();
- txNew.wit.SetNull();
wtxNew.fFromMe = true;
bool fFirst = true;
@@ -2492,9 +2502,10 @@ bool CWallet::CreateTransaction(const vector<CRecipient>& vecSend, CWalletTx& wt
// Remove scriptSigs if we used dummy signatures for fee calculation
if (!sign) {
- BOOST_FOREACH (CTxIn& vin, txNew.vin)
+ BOOST_FOREACH (CTxIn& vin, txNew.vin) {
vin.scriptSig = CScript();
- txNew.wit.SetNull();
+ vin.scriptWitness.SetNull();
+ }
}
// Embed the constructed transaction data in wtxNew.
@@ -2549,6 +2560,21 @@ 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, false, 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;
+ size_t nLimitDescendants = GetArg("-limitdescendantcount", DEFAULT_DESCENDANT_LIMIT);
+ size_t nLimitDescendantSize = GetArg("-limitdescendantsize", DEFAULT_DESCENDANT_SIZE_LIMIT)*1000;
+ std::string errString;
+ if (!mempool.CalculateMemPoolAncestors(entry, setAncestors, nLimitAncestors, nLimitAncestorSize, nLimitDescendants, nLimitDescendantSize, errString)) {
+ strFailReason = _("Transaction has too long of a mempool chain");
+ return false;
+ }
+ }
return true;
}
@@ -2584,11 +2610,11 @@ bool CWallet::CommitTransaction(CWalletTx& wtxNew, CReserveKey& reservekey, CCon
{
// Broadcast
if (!wtxNew.AcceptToMemoryPool(maxTxFee, state)) {
- // This must not fail. The transaction has already been signed and recorded.
- LogPrintf("CommitTransaction(): Error: Transaction not valid, %s\n", state.GetRejectReason());
- return false;
+ LogPrintf("CommitTransaction(): Transaction cannot be broadcast immediately, %s\n", state.GetRejectReason());
+ // TODO: if we expect the failure to be long term or permanent, instead delete wtx from the wallet and return failure.
+ } else {
+ wtxNew.RelayWalletTransaction(connman);
}
- wtxNew.RelayWalletTransaction(connman);
}
}
return true;
@@ -3373,21 +3399,14 @@ std::string CWallet::GetWalletHelpString(bool showDebug)
strUsage += HelpMessageOpt("-dblogsize=<n>", strprintf("Flush wallet database activity from memory to disk log every <n> megabytes (default: %u)", DEFAULT_WALLET_DBLOGSIZE));
strUsage += HelpMessageOpt("-flushwallet", strprintf("Run a thread to flush wallet periodically (default: %u)", DEFAULT_FLUSHWALLET));
strUsage += HelpMessageOpt("-privdb", strprintf("Sets the DB_PRIVATE flag in the wallet db environment (default: %u)", DEFAULT_WALLET_PRIVDB));
+ strUsage += HelpMessageOpt("-walletrejectlongchains", strprintf(_("Wallet will not create transactions that violate mempool chain limits (default: %u)"), DEFAULT_WALLET_REJECT_LONG_CHAINS));
}
return strUsage;
}
-bool CWallet::InitLoadWallet()
+CWallet* CWallet::CreateWalletFromFile(const std::string walletFile)
{
- if (GetBoolArg("-disablewallet", DEFAULT_DISABLE_WALLET)) {
- pwalletMain = NULL;
- LogPrintf("Wallet disabled!\n");
- return true;
- }
-
- std::string walletFile = GetArg("-wallet", DEFAULT_WALLET_DAT);
-
// needed to restore wallet transaction meta data after -zapwallettxes
std::vector<CWalletTx> vWtx;
@@ -3397,7 +3416,8 @@ bool CWallet::InitLoadWallet()
CWallet *tempWallet = new CWallet(walletFile);
DBErrors nZapWalletRet = tempWallet->ZapWalletTx(vWtx);
if (nZapWalletRet != DB_LOAD_OK) {
- return InitError(strprintf(_("Error loading %s: Wallet corrupted"), walletFile));
+ InitError(strprintf(_("Error loading %s: Wallet corrupted"), walletFile));
+ return NULL;
}
delete tempWallet;
@@ -3412,23 +3432,29 @@ bool CWallet::InitLoadWallet()
DBErrors nLoadWalletRet = walletInstance->LoadWallet(fFirstRun);
if (nLoadWalletRet != DB_LOAD_OK)
{
- if (nLoadWalletRet == DB_CORRUPT)
- return InitError(strprintf(_("Error loading %s: Wallet corrupted"), walletFile));
+ if (nLoadWalletRet == DB_CORRUPT) {
+ InitError(strprintf(_("Error loading %s: Wallet corrupted"), walletFile));
+ return NULL;
+ }
else if (nLoadWalletRet == DB_NONCRITICAL_ERROR)
{
InitWarning(strprintf(_("Error reading %s! All keys read correctly, but transaction data"
" or address book entries might be missing or incorrect."),
walletFile));
}
- else if (nLoadWalletRet == DB_TOO_NEW)
- return InitError(strprintf(_("Error loading %s: Wallet requires newer version of %s"),
- walletFile, _(PACKAGE_NAME)));
+ else if (nLoadWalletRet == DB_TOO_NEW) {
+ InitError(strprintf(_("Error loading %s: Wallet requires newer version of %s"), walletFile, _(PACKAGE_NAME)));
+ return NULL;
+ }
else if (nLoadWalletRet == DB_NEED_REWRITE)
{
- return InitError(strprintf(_("Wallet needed to be rewritten: restart %s to complete"), _(PACKAGE_NAME)));
+ InitError(strprintf(_("Wallet needed to be rewritten: restart %s to complete"), _(PACKAGE_NAME)));
+ return NULL;
+ }
+ else {
+ InitError(strprintf(_("Error loading %s"), walletFile));
+ return NULL;
}
- else
- return InitError(strprintf(_("Error loading %s"), walletFile));
}
if (GetBoolArg("-upgradewallet", fFirstRun))
@@ -3444,7 +3470,8 @@ bool CWallet::InitLoadWallet()
LogPrintf("Allowing wallet upgrade up to %i\n", nMaxVersion);
if (nMaxVersion < walletInstance->GetVersion())
{
- return InitError(_("Cannot downgrade wallet"));
+ InitError(_("Cannot downgrade wallet"));
+ return NULL;
}
walletInstance->SetMaxVersion(nMaxVersion);
}
@@ -3461,18 +3488,24 @@ bool CWallet::InitLoadWallet()
CPubKey newDefaultKey;
if (walletInstance->GetKeyFromPool(newDefaultKey)) {
walletInstance->SetDefaultKey(newDefaultKey);
- if (!walletInstance->SetAddressBook(walletInstance->vchDefaultKey.GetID(), "", "receive"))
- return InitError(_("Cannot write default address") += "\n");
+ if (!walletInstance->SetAddressBook(walletInstance->vchDefaultKey.GetID(), "", "receive")) {
+ InitError(_("Cannot write default address") += "\n");
+ return NULL;
+ }
}
walletInstance->SetBestChain(chainActive.GetLocator());
}
- else if (mapArgs.count("-usehd")) {
+ else if (IsArgSet("-usehd")) {
bool useHD = GetBoolArg("-usehd", DEFAULT_USE_HD_WALLET);
- if (walletInstance->IsHDEnabled() && !useHD)
- return InitError(strprintf(_("Error loading %s: You can't disable HD on a already existing HD wallet"), walletFile));
- if (!walletInstance->IsHDEnabled() && useHD)
- return InitError(strprintf(_("Error loading %s: You can't enable HD on a already existing non-HD wallet"), walletFile));
+ if (walletInstance->IsHDEnabled() && !useHD) {
+ InitError(strprintf(_("Error loading %s: You can't disable HD on a already existing HD wallet"), walletFile));
+ return NULL;
+ }
+ if (!walletInstance->IsHDEnabled() && useHD) {
+ InitError(strprintf(_("Error loading %s: You can't enable HD on a already existing non-HD wallet"), walletFile));
+ return NULL;
+ }
}
LogPrintf(" wallet %15dms\n", GetTimeMillis() - nStart);
@@ -3502,8 +3535,10 @@ bool CWallet::InitLoadWallet()
while (block && block->pprev && (block->pprev->nStatus & BLOCK_HAVE_DATA) && block->pprev->nTx > 0 && pindexRescan != block)
block = block->pprev;
- if (pindexRescan != block)
- return InitError(_("Prune: last wallet synchronisation goes beyond pruned data. You need to -reindex (download the whole blockchain again in case of pruned node)"));
+ if (pindexRescan != block) {
+ InitError(_("Prune: last wallet synchronisation goes beyond pruned data. You need to -reindex (download the whole blockchain again in case of pruned node)"));
+ return NULL;
+ }
}
uiInterface.InitMessage(_("Rescanning..."));
@@ -3548,11 +3583,30 @@ bool CWallet::InitLoadWallet()
LogPrintf("mapAddressBook.size() = %u\n", walletInstance->mapAddressBook.size());
}
- pwalletMain = walletInstance;
+ return walletInstance;
+}
+
+bool CWallet::InitLoadWallet()
+{
+ if (GetBoolArg("-disablewallet", DEFAULT_DISABLE_WALLET)) {
+ pwalletMain = NULL;
+ LogPrintf("Wallet disabled!\n");
+ return true;
+ }
+
+ std::string walletFile = GetArg("-wallet", DEFAULT_WALLET_DAT);
+
+ CWallet * const pwallet = CreateWalletFromFile(walletFile);
+ if (!pwallet) {
+ return false;
+ }
+ pwalletMain = pwallet;
return true;
}
+std::atomic<bool> CWallet::fFlushThreadRunning(false);
+
void CWallet::postInitProcess(boost::thread_group& threadGroup)
{
// Add wallet transactions that aren't already in a block to mempool
@@ -3560,7 +3614,9 @@ void CWallet::postInitProcess(boost::thread_group& threadGroup)
ReacceptWalletTransactions();
// Run a thread to flush wallet periodically
- threadGroup.create_thread(boost::bind(&ThreadFlushWalletDB, boost::ref(this->strWalletFile)));
+ if (!CWallet::fFlushThreadRunning.exchange(true)) {
+ threadGroup.create_thread(ThreadFlushWalletDB);
+ }
}
bool CWallet::ParameterInteraction()
@@ -3591,31 +3647,31 @@ bool CWallet::ParameterInteraction()
InitWarning(AmountHighWarn("-minrelaytxfee") + " " +
_("The wallet will avoid paying less than the minimum relay fee."));
- if (mapArgs.count("-mintxfee"))
+ if (IsArgSet("-mintxfee"))
{
CAmount n = 0;
- if (!ParseMoney(mapArgs["-mintxfee"], n) || 0 == n)
- return InitError(AmountErrMsg("mintxfee", mapArgs["-mintxfee"]));
+ if (!ParseMoney(GetArg("-mintxfee", ""), n) || 0 == n)
+ return InitError(AmountErrMsg("mintxfee", GetArg("-mintxfee", "")));
if (n > HIGH_TX_FEE_PER_KB)
InitWarning(AmountHighWarn("-mintxfee") + " " +
_("This is the minimum transaction fee you pay on every transaction."));
CWallet::minTxFee = CFeeRate(n);
}
- if (mapArgs.count("-fallbackfee"))
+ if (IsArgSet("-fallbackfee"))
{
CAmount nFeePerK = 0;
- if (!ParseMoney(mapArgs["-fallbackfee"], nFeePerK))
- return InitError(strprintf(_("Invalid amount for -fallbackfee=<amount>: '%s'"), mapArgs["-fallbackfee"]));
+ if (!ParseMoney(GetArg("-fallbackfee", ""), nFeePerK))
+ return InitError(strprintf(_("Invalid amount for -fallbackfee=<amount>: '%s'"), GetArg("-fallbackfee", "")));
if (nFeePerK > HIGH_TX_FEE_PER_KB)
InitWarning(AmountHighWarn("-fallbackfee") + " " +
_("This is the transaction fee you may pay when fee estimates are not available."));
CWallet::fallbackFee = CFeeRate(nFeePerK);
}
- if (mapArgs.count("-paytxfee"))
+ if (IsArgSet("-paytxfee"))
{
CAmount nFeePerK = 0;
- if (!ParseMoney(mapArgs["-paytxfee"], nFeePerK))
- return InitError(AmountErrMsg("paytxfee", mapArgs["-paytxfee"]));
+ if (!ParseMoney(GetArg("-paytxfee", ""), nFeePerK))
+ return InitError(AmountErrMsg("paytxfee", GetArg("-paytxfee", "")));
if (nFeePerK > HIGH_TX_FEE_PER_KB)
InitWarning(AmountHighWarn("-paytxfee") + " " +
_("This is the transaction fee you will pay if you send a transaction."));
@@ -3624,21 +3680,21 @@ bool CWallet::ParameterInteraction()
if (payTxFee < ::minRelayTxFee)
{
return InitError(strprintf(_("Invalid amount for -paytxfee=<amount>: '%s' (must be at least %s)"),
- mapArgs["-paytxfee"], ::minRelayTxFee.ToString()));
+ GetArg("-paytxfee", ""), ::minRelayTxFee.ToString()));
}
}
- if (mapArgs.count("-maxtxfee"))
+ if (IsArgSet("-maxtxfee"))
{
CAmount nMaxFee = 0;
- if (!ParseMoney(mapArgs["-maxtxfee"], nMaxFee))
- return InitError(AmountErrMsg("maxtxfee", mapArgs["-maxtxfee"]));
+ if (!ParseMoney(GetArg("-maxtxfee", ""), nMaxFee))
+ return InitError(AmountErrMsg("maxtxfee", GetArg("-maxtxfee", "")));
if (nMaxFee > HIGH_MAX_TX_FEE)
InitWarning(_("-maxtxfee is set very high! Fees this large could be paid on a single transaction."));
maxTxFee = nMaxFee;
if (CFeeRate(maxTxFee, 1000) < ::minRelayTxFee)
{
return InitError(strprintf(_("Invalid amount for -maxtxfee=<amount>: '%s' (must be at least the minrelay fee of %s to prevent stuck transactions)"),
- mapArgs["-maxtxfee"], ::minRelayTxFee.ToString()));
+ GetArg("-maxtxfee", ""), ::minRelayTxFee.ToString()));
}
}
nTxConfirmTarget = GetArg("-txconfirmtarget", DEFAULT_TX_CONFIRM_TARGET);
@@ -3646,6 +3702,9 @@ bool CWallet::ParameterInteraction()
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;
}
@@ -3706,21 +3765,13 @@ CWalletKey::CWalletKey(int64_t nExpires)
nTimeExpires = nExpires;
}
-int CMerkleTx::SetMerkleBranch(const CBlockIndex* pindex, int posInBlock)
+void CMerkleTx::SetMerkleBranch(const CBlockIndex* pindex, int posInBlock)
{
- AssertLockHeld(cs_main);
-
// Update the tx's hashBlock
hashBlock = pindex->GetBlockHash();
// set the position of the transaction in the block
nIndex = posInBlock;
-
- // Is the tx in a block that's in the main chain
- if (!chainActive.Contains(pindex))
- return 0;
-
- return chainActive.Height() - pindex->nHeight + 1;
}
int CMerkleTx::GetDepthInMainChain(const CBlockIndex* &pindexRet) const
@@ -3752,5 +3803,5 @@ int CMerkleTx::GetBlocksToMaturity() const
bool CMerkleTx::AcceptToMemoryPool(const CAmount& nAbsurdFee, CValidationState& state)
{
- return ::AcceptToMemoryPool(mempool, state, *this, true, NULL, false, nAbsurdFee);
+ return ::AcceptToMemoryPool(mempool, state, tx, true, NULL, false, nAbsurdFee);
}
generated by cgit v1.2.3 (git 2.26.2) at 2024-11-01 09:43:13 +0000