#include "kernel.h"
#include "coincontrol.h"
#include <boost/algorithm/string/replace.hpp>
+#include <openssl/bio.h>
#include "main.h"
}
};
+const CWalletTx* CWallet::GetWalletTx(const uint256& hash) const
+{
+ LOCK(cs_wallet);
+ std::map<uint256, CWalletTx>::const_iterator it = mapWallet.find(hash);
+ if (it == mapWallet.end())
+ return NULL;
+ return &(it->second);
+}
+
CPubKey CWallet::GenerateNewKey()
{
bool fCompressed = CanSupportFeature(FEATURE_COMPRPUBKEY); // default to compressed public keys if we want 0.6.0 wallets
return true;
}
+bool CWallet::GetPEM(const CKeyID &keyID, const std::string &fileName, const SecureString &strPassKey) const
+{
+ BIO *pemOut = BIO_new_file(fileName.c_str(), "w");
+ if (pemOut == NULL)
+ return error("GetPEM() : failed to create file %s\n", fileName.c_str());
+ CKey key;
+ if (!GetKey(keyID, key))
+ return error("GetPEM() : failed to get key for address=%s\n", CBitcoinAddress(keyID).ToString().c_str());
+ bool result = key.WritePEM(pemOut, strPassKey);
+ BIO_free(pemOut);
+ return result;
+}
+
int64_t CWallet::IncOrderPosNext(CWalletDB *pwalletdb)
{
int64_t nRet = nOrderPosNext++;
// 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.
// If fUpdate is true, existing transactions will be updated.
-bool CWallet::AddToWalletIfInvolvingMe(const CTransaction& tx, const CBlock* pblock, bool fUpdate, bool fFindBlock)
+bool CWallet::AddToWalletIfInvolvingMe(const CTransaction& tx, const CBlock* pblock, bool fUpdate)
{
uint256 hash = tx.GetHash();
{
return MINE_NO;
}
+// marks certain txout's as spent
+// returns true if any update took place
+bool CWalletTx::UpdateSpent(const std::vector<char>& vfNewSpent)
+{
+ bool fReturn = false;
+ for (unsigned int i = 0; i < vfNewSpent.size(); i++)
+ {
+ if (i == vfSpent.size())
+ break;
+
+ if (vfNewSpent[i] && !vfSpent[i])
+ {
+ vfSpent[i] = true;
+ fReturn = true;
+ fAvailableCreditCached = fAvailableWatchCreditCached = false;
+ }
+ }
+ return fReturn;
+}
+
+// make sure balances are recalculated
+void CWalletTx::MarkDirty()
+{
+ fCreditCached = false;
+ fAvailableCreditCached = fAvailableWatchCreditCached = false;
+ fDebitCached = fWatchDebitCached = false;
+ fChangeCached = false;
+}
+
+void CWalletTx::BindWallet(CWallet *pwalletIn)
+{
+ pwallet = pwalletIn;
+ MarkDirty();
+}
+
+void CWalletTx::MarkSpent(unsigned int nOut)
+{
+ if (nOut >= vout.size())
+ throw std::runtime_error("CWalletTx::MarkSpent() : nOut out of range");
+ vfSpent.resize(vout.size());
+ if (!vfSpent[nOut])
+ {
+ vfSpent[nOut] = true;
+ fAvailableCreditCached = fAvailableWatchCreditCached = false;
+ }
+}
+
+void CWalletTx::MarkUnspent(unsigned int nOut)
+{
+ if (nOut >= vout.size())
+ throw std::runtime_error("CWalletTx::MarkUnspent() : nOut out of range");
+ vfSpent.resize(vout.size());
+ if (vfSpent[nOut])
+ {
+ vfSpent[nOut] = false;
+ fAvailableCreditCached = fAvailableWatchCreditCached = false;
+ }
+}
+
+bool CWalletTx::IsSpent(unsigned int nOut) const
+{
+ if (nOut >= vout.size())
+ throw std::runtime_error("CWalletTx::IsSpent() : nOut out of range");
+ if (nOut >= vfSpent.size())
+ return false;
+ return (!!vfSpent[nOut]);
+}
+
int64_t CWallet::GetDebit(const CTxIn &txin, const isminefilter& filter) const
{
{
return 0;
}
+isminetype CWallet::IsMine(const CTxOut& txout) const
+{
+ return ::IsMine(*this, txout.scriptPubKey);
+}
+
+int64_t CWallet::GetCredit(const CTxOut& txout, const isminefilter& filter) const
+{
+ if (!MoneyRange(txout.nValue))
+ throw std::runtime_error("CWallet::GetCredit() : value out of range");
+ return (IsMine(txout) & filter ? txout.nValue : 0);
+}
+
bool CWallet::IsChange(const CTxOut& txout) const
{
// TODO: fix handling of 'change' outputs. The assumption is that any
return false;
}
+int64_t CWallet::GetChange(const CTxOut& txout) const
+{
+ if (!MoneyRange(txout.nValue))
+ throw std::runtime_error("CWallet::GetChange() : value out of range");
+ return (IsChange(txout) ? txout.nValue : 0);
+}
+
+bool CWallet::IsMine(const CTransaction& tx) const
+{
+ BOOST_FOREACH(const CTxOut& txout, tx.vout)
+ if (IsMine(txout) && txout.nValue >= nMinimumInputValue)
+ return true;
+ return false;
+}
+
+bool CWallet::IsFromMe(const CTransaction& tx) const
+{
+ return (GetDebit(tx, MINE_ALL) > 0);
+}
+
+int64_t CWallet::GetDebit(const CTransaction& tx, const isminefilter& filter) const
+{
+ int64_t nDebit = 0;
+ BOOST_FOREACH(const CTxIn& txin, tx.vin)
+ {
+ nDebit += GetDebit(txin, filter);
+ if (!MoneyRange(nDebit))
+ throw std::runtime_error("CWallet::GetDebit() : value out of range");
+ }
+ return nDebit;
+}
+
+int64_t CWallet::GetCredit(const CTransaction& tx, const isminefilter& filter) const
+{
+ int64_t nCredit = 0;
+ BOOST_FOREACH(const CTxOut& txout, tx.vout)
+ {
+ nCredit += GetCredit(txout, filter);
+ if (!MoneyRange(nCredit))
+ throw std::runtime_error("CWallet::GetCredit() : value out of range");
+ }
+ return nCredit;
+}
+
+int64_t CWallet::GetChange(const CTransaction& tx) const
+{
+ int64_t nChange = 0;
+ BOOST_FOREACH(const CTxOut& txout, tx.vout)
+ {
+ nChange += GetChange(txout);
+ if (!MoneyRange(nChange))
+ throw std::runtime_error("CWallet::GetChange() : value out of range");
+ }
+ return nChange;
+}
+
int64_t CWalletTx::GetTxTime() const
{
return nTime;
return nRequests;
}
+bool CWalletTx::InMempool() const
+{
+ LOCK(mempool.cs);
+ if (mempool.exists(GetHash())) {
+ return true;
+ }
+ return false;
+}
+
+bool CWalletTx::IsTrusted() const
+{
+ // Quick answer in most cases
+ if (!IsFinal())
+ return false;
+ int nDepth = GetDepthInMainChain();
+ if (nDepth >= 1)
+ return true;
+ if (nDepth < 0)
+ return false;
+ if (!fConfChange || !IsFromMe(MINE_ALL)) // using wtx's cached debit
+ return false;
+
+ // Don't trust unconfirmed transactions from us unless they are in the mempool.
+ if (!InMempool())
+ return false;
+
+ // Trusted if all inputs are from us and are in the mempool:
+ BOOST_FOREACH(const CTxIn& txin, vin)
+ {
+ // Transactions not sent by us: not trusted
+ const CWalletTx* parent = pwallet->GetWalletTx(txin.prevout.hash);
+ if (parent == NULL)
+ return false;
+ const CTxOut& parentOut = parent->vout[txin.prevout.n];
+ if (pwallet->IsMine(parentOut) != MINE_SPENDABLE)
+ return false;
+ }
+ return true;
+}
+
+int64_t CWalletTx::GetDebit(const isminefilter& filter) const
+{
+ if (vin.empty())
+ return 0;
+
+ int64_t nDebit = 0;
+ if (filter & MINE_SPENDABLE)
+ {
+ if (fDebitCached)
+ nDebit += nDebitCached;
+ else
+ {
+ nDebitCached = pwallet->GetDebit(*this, MINE_SPENDABLE);
+ fDebitCached = true;
+ nDebit += nDebitCached;
+ }
+ }
+ if (filter & MINE_WATCH_ONLY)
+ {
+ if (fWatchDebitCached)
+ nDebit += nWatchDebitCached;
+ else
+ {
+ nWatchDebitCached = pwallet->GetDebit(*this, MINE_WATCH_ONLY);
+ fWatchDebitCached = true;
+ nDebit += nWatchDebitCached;
+ }
+ }
+ return nDebit;
+}
+
+int64_t CWalletTx::GetCredit(const isminefilter& filter) const
+{
+ // Must wait until coinbase is safely deep enough in the chain before valuing it
+ if ((IsCoinBase() || IsCoinStake()) && GetBlocksToMaturity() > 0)
+ return 0;
+
+ int64_t credit = 0;
+ if (filter & MINE_SPENDABLE)
+ {
+ // GetBalance can assume transactions in mapWallet won't change
+ if (fCreditCached)
+ credit += nCreditCached;
+ else
+ {
+ nCreditCached = pwallet->GetCredit(*this, MINE_SPENDABLE);
+ fCreditCached = true;
+ credit += nCreditCached;
+ }
+ }
+ if (filter & MINE_WATCH_ONLY)
+ {
+ if (fWatchCreditCached)
+ credit += nWatchCreditCached;
+ else
+ {
+ nWatchCreditCached = pwallet->GetCredit(*this, MINE_WATCH_ONLY);
+ fWatchCreditCached = true;
+ credit += nWatchCreditCached;
+ }
+ }
+ return credit;
+}
+
+int64_t CWalletTx::GetImmatureCredit(bool fUseCache) const
+{
+ if (IsCoinBase() && GetBlocksToMaturity() > 0 && IsInMainChain())
+ {
+ if (fUseCache && fImmatureCreditCached)
+ return nImmatureCreditCached;
+ nImmatureCreditCached = pwallet->GetCredit(*this, MINE_SPENDABLE);
+ fImmatureCreditCached = true;
+ return nImmatureCreditCached;
+ }
+
+ return 0;
+}
+
+int64_t CWalletTx::GetImmatureWatchOnlyCredit(bool fUseCache) const
+{
+ if (IsCoinBase() && GetBlocksToMaturity() > 0 && IsInMainChain())
+ {
+ if (fUseCache && fImmatureWatchCreditCached)
+ return nImmatureWatchCreditCached;
+ nImmatureWatchCreditCached = pwallet->GetCredit(*this, MINE_WATCH_ONLY);
+ fImmatureWatchCreditCached = true;
+ return nImmatureWatchCreditCached;
+ }
+
+ return 0;
+}
+
+
+int64_t CWalletTx::GetAvailableCredit(bool fUseCache) const
+{
+ // Must wait until coinbase is safely deep enough in the chain before valuing it
+ if ((IsCoinBase() || IsCoinStake()) && GetBlocksToMaturity() > 0)
+ return 0;
+
+ if (fUseCache) {
+ if (fAvailableCreditCached)
+ return nAvailableCreditCached;
+ }
+
+ int64_t nCredit = 0;
+ for (unsigned int i = 0; i < vout.size(); i++)
+ {
+ if (!IsSpent(i))
+ {
+ const CTxOut &txout = vout[i];
+ nCredit += pwallet->GetCredit(txout, MINE_SPENDABLE);
+ if (!MoneyRange(nCredit))
+ throw std::runtime_error("CWalletTx::GetAvailableCredit() : value out of range");
+ }
+ }
+
+ nAvailableCreditCached = nCredit;
+ fAvailableCreditCached = true;
+
+ return nCredit;
+}
+
+int64_t CWalletTx::GetAvailableWatchCredit(bool fUseCache) const
+{
+ // Must wait until coinbase is safely deep enough in the chain before valuing it
+ if ((IsCoinBase() || IsCoinStake()) && GetBlocksToMaturity() > 0)
+ return 0;
+
+ if (fUseCache) {
+ if (fAvailableWatchCreditCached)
+ return nAvailableWatchCreditCached;
+ }
+
+ int64_t nCredit = 0;
+ for (unsigned int i = 0; i < vout.size(); i++)
+ {
+ if (!IsSpent(i))
+ {
+ const CTxOut &txout = vout[i];
+ nCredit += pwallet->GetCredit(txout, MINE_WATCH_ONLY);
+ if (!MoneyRange(nCredit))
+ throw std::runtime_error("CWalletTx::GetAvailableCredit() : value out of range");
+ }
+ }
+
+ nAvailableWatchCreditCached = nCredit;
+ fAvailableWatchCreditCached = true;
+
+ return nCredit;
+}
+
+int64_t CWalletTx::GetChange() const
+{
+ if (fChangeCached)
+ return nChangeCached;
+ nChangeCached = pwallet->GetChange(*this);
+ fChangeCached = true;
+ return nChangeCached;
+}
+
void CWalletTx::GetAmounts(int64_t& nGeneratedImmature, int64_t& nGeneratedMature, list<pair<CBitcoinAddress, int64_t> >& listReceived,
list<pair<CBitcoinAddress, int64_t> >& listSent, int64_t& nFee, string& strSentAccount, const isminefilter& filter) const
{
list<pair<CBitcoinAddress, int64_t> > listSent;
GetAmounts(allGeneratedImmature, allGeneratedMature, listReceived, listSent, allFee, strSentAccount, filter);
- if (strAccount == "")
+ if (strAccount.empty())
nGenerated = allGeneratedMature;
if (strAccount == strSentAccount)
{
{
CTransaction tx;
tx.ReadFromDisk(COutPoint(hashTx, 0));
- if (AddToWalletIfInvolvingMe(tx, NULL, true, true))
+ if (AddToWalletIfInvolvingMe(tx, NULL, true))
return 1;
return 0;
}
}
}
-void CWalletTx::RelayWalletTransaction(CTxDB& txdb)
+bool CWalletTx::RelayWalletTransaction(CTxDB& txdb)
{
- BOOST_FOREACH(const CMerkleTx& tx, vtxPrev)
- {
- if (!(tx.IsCoinBase() || tx.IsCoinStake()))
- {
- uint256 hash = tx.GetHash();
- if (!txdb.ContainsTx(hash))
- RelayTransaction((CTransaction)tx, hash);
- }
- }
- if (!(IsCoinBase() || IsCoinStake()))
+ uint256 hash = GetHash();
+ if (IsCoinBase() || IsCoinStake() || txdb.ContainsTx(hash) || !InMempool())
+ return false;
+
+ for(std::vector<CMerkleTx>::const_iterator it = vtxPrev.begin(); it != vtxPrev.end(); it++)
{
- uint256 hash = GetHash();
+ const CMerkleTx& tx = *it;
+ uint256 hash = tx.GetHash();
+
+ if (tx.IsCoinBase() || tx.IsCoinStake())
+ continue;
+
if (!txdb.ContainsTx(hash))
- {
- printf("Relaying wtx %s\n", hash.ToString().substr(0,10).c_str());
- RelayTransaction((CTransaction)*this, hash);
- }
+ RelayTransaction((CTransaction)tx, hash);
}
+
+ printf("Relaying wtx %s\n", hash.ToString().substr(0,10).c_str());
+ RelayTransaction((CTransaction)*this, hash);
+ return true;
}
-void CWalletTx::RelayWalletTransaction()
+bool CWalletTx::RelayWalletTransaction()
{
CTxDB txdb("r");
- RelayWalletTransaction(txdb);
+ return RelayWalletTransaction(txdb);
}
-void CWallet::ResendWalletTransactions(bool fForceResend)
+std::vector<uint256> CWallet::ResendWalletTransactionsBefore(int64_t nTime)
{
- if (!fForceResend) {
- // Do this infrequently and randomly to avoid giving away
- // that these are our transactions.
- static int64_t nNextTime = GetRand(GetTime() + 30 * 60);
- if (GetTime() < nNextTime)
- return;
- bool fFirst = (nNextTime == 0);
- nNextTime = GetTime() + GetRand(30 * 60);
- if (fFirst)
- return;
+ std::vector<uint256> result;
- // Only do it if there's been a new block since last time
- static int64_t nLastTime = 0;
- if (nTimeBestReceived < nLastTime)
- return;
- nLastTime = GetTime();
+ LOCK(cs_wallet);
+ // Sort them in chronological order
+ map<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));
}
-
- // Rebroadcast any of our txes that aren't in a block yet
- printf("ResendWalletTransactions()\n");
- CTxDB txdb("r");
+ BOOST_FOREACH(PAIRTYPE(const unsigned int, CWalletTx*)& item, mapSorted)
{
- LOCK(cs_wallet);
- // Sort them in chronological order
- multimap<unsigned int, CWalletTx*> mapSorted;
- BOOST_FOREACH(PAIRTYPE(const uint256, CWalletTx)& item, mapWallet)
- {
- CWalletTx& wtx = item.second;
- // Don't rebroadcast until it's had plenty of time that
- // it should have gotten in already by now.
- if (fForceResend || nTimeBestReceived - (int64_t)wtx.nTimeReceived > 5 * 60)
- mapSorted.insert(make_pair(wtx.nTimeReceived, &wtx));
- }
- BOOST_FOREACH(PAIRTYPE(const unsigned int, CWalletTx*)& item, mapSorted)
- {
- CWalletTx& wtx = *item.second;
- if (wtx.CheckTransaction())
- wtx.RelayWalletTransaction(txdb);
- else
- printf("ResendWalletTransactions() : CheckTransaction failed for transaction %s\n", wtx.GetHash().ToString().c_str());
- }
+ CWalletTx& wtx = *item.second;
+ if (wtx.RelayWalletTransaction())
+ result.push_back(wtx.GetHash());
}
+ return result;
}
+void CWallet::ResendWalletTransactions(int64_t nBestBlockTime)
+{
+ int64_t nNow = GetTime();
+ // Do this infrequently and randomly to avoid giving away
+ // that these are our transactions.
+ if (nNow < nNextResend)
+ return;
+ bool fFirst = (nNextResend == 0);
+ nNextResend = PoissonNextSend(nNow, 5*60);
+ if (fFirst)
+ return;
+ // Only do it if there's been a new block since last time
+ if (nBestBlockTime < nLastResend)
+ return;
+ nLastResend = nNow;
+ // Rebroadcast unconfirmed txes older than 5 minutes before the last
+ // block was found:
+ std::vector<uint256> relayed = ResendWalletTransactionsBefore(nBestBlockTime - 5*60);
+ if (!relayed.empty())
+ printf("CWallet::ResendWalletTransactions: rebroadcast %" PRIszu " unconfirmed transactions\n", relayed.size());
+}
//////////////////////////////////////////////////////////////////////////////
CTxDB txdb("r");
{
nFeeRet = nTransactionFee;
- while (true)
+ for ( ; ; )
{
wtxNew.vin.clear();
wtxNew.vout.clear();
nCredit += GetProofOfStakeReward(nCoinAge, nBits, nGenerationTime);
int64_t nMinFee = 0;
- while (true)
+ for ( ; ; )
{
// Set output amount
if (fDontSplitCoins)