1494 lines
48 KiB
C++
1494 lines
48 KiB
C++
// Copyright (c) 2009-2010 Satoshi Nakamoto
|
|
// Copyright (c) 2011 The Bitcoin developers
|
|
// Distributed under the MIT/X11 software license, see the accompanying
|
|
// file license.txt or http://www.opensource.org/licenses/mit-license.php.
|
|
|
|
#include "headers.h"
|
|
#include "db.h"
|
|
#include "crypter.h"
|
|
|
|
using namespace std;
|
|
|
|
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
//
|
|
// mapWallet
|
|
//
|
|
|
|
bool CWallet::AddKey(const CKey& key)
|
|
{
|
|
if (!CCryptoKeyStore::AddKey(key))
|
|
return false;
|
|
if (!fFileBacked)
|
|
return true;
|
|
if (!IsCrypted())
|
|
return CWalletDB(strWalletFile).WriteKey(key.GetPubKey(), key.GetPrivKey());
|
|
return true;
|
|
}
|
|
|
|
bool CWallet::AddCryptedKey(const vector<unsigned char> &vchPubKey, const vector<unsigned char> &vchCryptedSecret)
|
|
{
|
|
if (!CCryptoKeyStore::AddCryptedKey(vchPubKey, vchCryptedSecret))
|
|
return false;
|
|
if (!fFileBacked)
|
|
return true;
|
|
CRITICAL_BLOCK(cs_wallet)
|
|
{
|
|
if (pwalletdbEncryption)
|
|
return pwalletdbEncryption->WriteCryptedKey(vchPubKey, vchCryptedSecret);
|
|
else
|
|
return CWalletDB(strWalletFile).WriteCryptedKey(vchPubKey, vchCryptedSecret);
|
|
}
|
|
return false;
|
|
}
|
|
|
|
bool CWallet::AddCScript(const uint160 &hash, const CScript& redeemScript)
|
|
{
|
|
if (!CCryptoKeyStore::AddCScript(hash, redeemScript))
|
|
return false;
|
|
if (!fFileBacked)
|
|
return true;
|
|
return CWalletDB(strWalletFile).WriteCScript(hash, redeemScript);
|
|
}
|
|
|
|
bool CWallet::Unlock(const SecureString& strWalletPassphrase)
|
|
{
|
|
if (!IsLocked())
|
|
return false;
|
|
|
|
CCrypter crypter;
|
|
CKeyingMaterial vMasterKey;
|
|
|
|
CRITICAL_BLOCK(cs_wallet)
|
|
BOOST_FOREACH(const MasterKeyMap::value_type& pMasterKey, mapMasterKeys)
|
|
{
|
|
if(!crypter.SetKeyFromPassphrase(strWalletPassphrase, pMasterKey.second.vchSalt, pMasterKey.second.nDeriveIterations, pMasterKey.second.nDerivationMethod))
|
|
return false;
|
|
if (!crypter.Decrypt(pMasterKey.second.vchCryptedKey, vMasterKey))
|
|
return false;
|
|
if (CCryptoKeyStore::Unlock(vMasterKey))
|
|
return true;
|
|
}
|
|
return false;
|
|
}
|
|
|
|
bool CWallet::ChangeWalletPassphrase(const SecureString& strOldWalletPassphrase, const SecureString& strNewWalletPassphrase)
|
|
{
|
|
bool fWasLocked = IsLocked();
|
|
|
|
CRITICAL_BLOCK(cs_wallet)
|
|
{
|
|
Lock();
|
|
|
|
CCrypter crypter;
|
|
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))
|
|
return false;
|
|
if (CCryptoKeyStore::Unlock(vMasterKey))
|
|
{
|
|
int64 nStartTime = GetTimeMillis();
|
|
crypter.SetKeyFromPassphrase(strNewWalletPassphrase, pMasterKey.second.vchSalt, pMasterKey.second.nDeriveIterations, pMasterKey.second.nDerivationMethod);
|
|
pMasterKey.second.nDeriveIterations = pMasterKey.second.nDeriveIterations * (100 / ((double)(GetTimeMillis() - nStartTime)));
|
|
|
|
nStartTime = GetTimeMillis();
|
|
crypter.SetKeyFromPassphrase(strNewWalletPassphrase, pMasterKey.second.vchSalt, pMasterKey.second.nDeriveIterations, pMasterKey.second.nDerivationMethod);
|
|
pMasterKey.second.nDeriveIterations = (pMasterKey.second.nDeriveIterations + pMasterKey.second.nDeriveIterations * 100 / ((double)(GetTimeMillis() - nStartTime))) / 2;
|
|
|
|
if (pMasterKey.second.nDeriveIterations < 25000)
|
|
pMasterKey.second.nDeriveIterations = 25000;
|
|
|
|
printf("Wallet passphrase changed to an nDeriveIterations of %i\n", pMasterKey.second.nDeriveIterations);
|
|
|
|
if (!crypter.SetKeyFromPassphrase(strNewWalletPassphrase, pMasterKey.second.vchSalt, pMasterKey.second.nDeriveIterations, pMasterKey.second.nDerivationMethod))
|
|
return false;
|
|
if (!crypter.Encrypt(vMasterKey, pMasterKey.second.vchCryptedKey))
|
|
return false;
|
|
CWalletDB(strWalletFile).WriteMasterKey(pMasterKey.first, pMasterKey.second);
|
|
if (fWasLocked)
|
|
Lock();
|
|
return true;
|
|
}
|
|
}
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
|
|
// This class implements an addrIncoming entry that causes pre-0.4
|
|
// clients to crash on startup if reading a private-key-encrypted wallet.
|
|
class CCorruptAddress
|
|
{
|
|
public:
|
|
IMPLEMENT_SERIALIZE
|
|
(
|
|
if (nType & SER_DISK)
|
|
READWRITE(nVersion);
|
|
)
|
|
};
|
|
|
|
bool CWallet::EncryptWallet(const SecureString& strWalletPassphrase)
|
|
{
|
|
if (IsCrypted())
|
|
return false;
|
|
|
|
CKeyingMaterial vMasterKey;
|
|
RandAddSeedPerfmon();
|
|
|
|
vMasterKey.resize(WALLET_CRYPTO_KEY_SIZE);
|
|
RAND_bytes(&vMasterKey[0], WALLET_CRYPTO_KEY_SIZE);
|
|
|
|
CMasterKey kMasterKey;
|
|
|
|
RandAddSeedPerfmon();
|
|
kMasterKey.vchSalt.resize(WALLET_CRYPTO_SALT_SIZE);
|
|
RAND_bytes(&kMasterKey.vchSalt[0], WALLET_CRYPTO_SALT_SIZE);
|
|
|
|
CCrypter crypter;
|
|
int64 nStartTime = GetTimeMillis();
|
|
crypter.SetKeyFromPassphrase(strWalletPassphrase, kMasterKey.vchSalt, 25000, kMasterKey.nDerivationMethod);
|
|
kMasterKey.nDeriveIterations = 2500000 / ((double)(GetTimeMillis() - nStartTime));
|
|
|
|
nStartTime = GetTimeMillis();
|
|
crypter.SetKeyFromPassphrase(strWalletPassphrase, kMasterKey.vchSalt, kMasterKey.nDeriveIterations, kMasterKey.nDerivationMethod);
|
|
kMasterKey.nDeriveIterations = (kMasterKey.nDeriveIterations + kMasterKey.nDeriveIterations * 100 / ((double)(GetTimeMillis() - nStartTime))) / 2;
|
|
|
|
if (kMasterKey.nDeriveIterations < 25000)
|
|
kMasterKey.nDeriveIterations = 25000;
|
|
|
|
printf("Encrypting Wallet with an nDeriveIterations of %i\n", kMasterKey.nDeriveIterations);
|
|
|
|
if (!crypter.SetKeyFromPassphrase(strWalletPassphrase, kMasterKey.vchSalt, kMasterKey.nDeriveIterations, kMasterKey.nDerivationMethod))
|
|
return false;
|
|
if (!crypter.Encrypt(vMasterKey, kMasterKey.vchCryptedKey))
|
|
return false;
|
|
|
|
CRITICAL_BLOCK(cs_wallet)
|
|
{
|
|
mapMasterKeys[++nMasterKeyMaxID] = kMasterKey;
|
|
if (fFileBacked)
|
|
{
|
|
pwalletdbEncryption = new CWalletDB(strWalletFile);
|
|
pwalletdbEncryption->TxnBegin();
|
|
pwalletdbEncryption->WriteMasterKey(nMasterKeyMaxID, kMasterKey);
|
|
}
|
|
|
|
if (!EncryptKeys(vMasterKey))
|
|
{
|
|
if (fFileBacked)
|
|
pwalletdbEncryption->TxnAbort();
|
|
exit(1); //We now probably have half of our keys encrypted in memory, and half not...die and let the user reload their unencrypted wallet.
|
|
}
|
|
|
|
if (fFileBacked)
|
|
{
|
|
CCorruptAddress corruptAddress;
|
|
pwalletdbEncryption->WriteSetting("addrIncoming", corruptAddress);
|
|
if (!pwalletdbEncryption->TxnCommit())
|
|
exit(1); //We now have keys encrypted in memory, but no on disk...die to avoid confusion and let the user reload their unencrypted wallet.
|
|
|
|
pwalletdbEncryption->Close();
|
|
pwalletdbEncryption = NULL;
|
|
}
|
|
|
|
Lock();
|
|
Unlock(strWalletPassphrase);
|
|
NewKeyPool();
|
|
Lock();
|
|
|
|
// Need to completely rewrite the wallet file; if we don't, bdb might keep
|
|
// bits of the unencrypted private key in slack space in the database file.
|
|
CDB::Rewrite(strWalletFile);
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
void CWallet::WalletUpdateSpent(const CTransaction &tx)
|
|
{
|
|
// Anytime a signature is successfully verified, it's proof the outpoint is spent.
|
|
// Update the wallet spent flag if it doesn't know due to wallet.dat being
|
|
// restored from backup or the user making copies of wallet.dat.
|
|
CRITICAL_BLOCK(cs_wallet)
|
|
{
|
|
BOOST_FOREACH(const CTxIn& txin, tx.vin)
|
|
{
|
|
map<uint256, CWalletTx>::iterator mi = mapWallet.find(txin.prevout.hash);
|
|
if (mi != mapWallet.end())
|
|
{
|
|
CWalletTx& wtx = (*mi).second;
|
|
if (!wtx.IsSpent(txin.prevout.n) && IsMine(wtx.vout[txin.prevout.n]))
|
|
{
|
|
printf("WalletUpdateSpent found spent coin %sbc %s\n", FormatMoney(wtx.GetCredit()).c_str(), wtx.GetHash().ToString().c_str());
|
|
wtx.MarkSpent(txin.prevout.n);
|
|
wtx.WriteToDisk();
|
|
vWalletUpdated.push_back(txin.prevout.hash);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void CWallet::MarkDirty()
|
|
{
|
|
CRITICAL_BLOCK(cs_wallet)
|
|
{
|
|
BOOST_FOREACH(PAIRTYPE(const uint256, CWalletTx)& item, mapWallet)
|
|
item.second.MarkDirty();
|
|
}
|
|
}
|
|
|
|
bool CWallet::AddToWallet(const CWalletTx& wtxIn)
|
|
{
|
|
uint256 hash = wtxIn.GetHash();
|
|
CRITICAL_BLOCK(cs_wallet)
|
|
{
|
|
// 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));
|
|
CWalletTx& wtx = (*ret.first).second;
|
|
wtx.BindWallet(this);
|
|
bool fInsertedNew = ret.second;
|
|
if (fInsertedNew)
|
|
wtx.nTimeReceived = GetAdjustedTime();
|
|
|
|
bool fUpdated = false;
|
|
if (!fInsertedNew)
|
|
{
|
|
// Merge
|
|
if (wtxIn.hashBlock != 0 && wtxIn.hashBlock != wtx.hashBlock)
|
|
{
|
|
wtx.hashBlock = wtxIn.hashBlock;
|
|
fUpdated = true;
|
|
}
|
|
if (wtxIn.nIndex != -1 && (wtxIn.vMerkleBranch != wtx.vMerkleBranch || wtxIn.nIndex != wtx.nIndex))
|
|
{
|
|
wtx.vMerkleBranch = wtxIn.vMerkleBranch;
|
|
wtx.nIndex = wtxIn.nIndex;
|
|
fUpdated = true;
|
|
}
|
|
if (wtxIn.fFromMe && wtxIn.fFromMe != wtx.fFromMe)
|
|
{
|
|
wtx.fFromMe = wtxIn.fFromMe;
|
|
fUpdated = true;
|
|
}
|
|
fUpdated |= wtx.UpdateSpent(wtxIn.vfSpent);
|
|
}
|
|
|
|
//// debug print
|
|
printf("AddToWallet %s %s%s\n", wtxIn.GetHash().ToString().substr(0,10).c_str(), (fInsertedNew ? "new" : ""), (fUpdated ? "update" : ""));
|
|
|
|
// Write to disk
|
|
if (fInsertedNew || fUpdated)
|
|
if (!wtx.WriteToDisk())
|
|
return false;
|
|
#ifndef QT_GUI
|
|
// If default receiving address gets used, replace it with a new one
|
|
CScript scriptDefaultKey;
|
|
scriptDefaultKey.SetBitcoinAddress(vchDefaultKey);
|
|
BOOST_FOREACH(const CTxOut& txout, wtx.vout)
|
|
{
|
|
if (txout.scriptPubKey == scriptDefaultKey)
|
|
{
|
|
std::vector<unsigned char> newDefaultKey;
|
|
if (GetKeyFromPool(newDefaultKey, false))
|
|
{
|
|
SetDefaultKey(newDefaultKey);
|
|
SetAddressBookName(CBitcoinAddress(vchDefaultKey), "");
|
|
}
|
|
}
|
|
}
|
|
#endif
|
|
// Notify UI
|
|
vWalletUpdated.push_back(hash);
|
|
|
|
// since AddToWallet is called directly for self-originating transactions, check for consumption of own coins
|
|
WalletUpdateSpent(wtx);
|
|
}
|
|
|
|
// Refresh UI
|
|
MainFrameRepaint();
|
|
return true;
|
|
}
|
|
|
|
// 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)
|
|
{
|
|
uint256 hash = tx.GetHash();
|
|
CRITICAL_BLOCK(cs_wallet)
|
|
{
|
|
bool fExisted = mapWallet.count(hash);
|
|
if (fExisted && !fUpdate) return false;
|
|
if (fExisted || IsMine(tx) || IsFromMe(tx))
|
|
{
|
|
CWalletTx wtx(this,tx);
|
|
// Get merkle branch if transaction was found in a block
|
|
if (pblock)
|
|
wtx.SetMerkleBranch(pblock);
|
|
return AddToWallet(wtx);
|
|
}
|
|
else
|
|
WalletUpdateSpent(tx);
|
|
}
|
|
return false;
|
|
}
|
|
|
|
bool CWallet::EraseFromWallet(uint256 hash)
|
|
{
|
|
if (!fFileBacked)
|
|
return false;
|
|
CRITICAL_BLOCK(cs_wallet)
|
|
{
|
|
if (mapWallet.erase(hash))
|
|
CWalletDB(strWalletFile).EraseTx(hash);
|
|
}
|
|
return true;
|
|
}
|
|
|
|
|
|
bool CWallet::IsMine(const CTxIn &txin) const
|
|
{
|
|
CRITICAL_BLOCK(cs_wallet)
|
|
{
|
|
map<uint256, CWalletTx>::const_iterator mi = mapWallet.find(txin.prevout.hash);
|
|
if (mi != mapWallet.end())
|
|
{
|
|
const CWalletTx& prev = (*mi).second;
|
|
if (txin.prevout.n < prev.vout.size())
|
|
if (IsMine(prev.vout[txin.prevout.n]))
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
int64 CWallet::GetDebit(const CTxIn &txin) const
|
|
{
|
|
CRITICAL_BLOCK(cs_wallet)
|
|
{
|
|
map<uint256, CWalletTx>::const_iterator mi = mapWallet.find(txin.prevout.hash);
|
|
if (mi != mapWallet.end())
|
|
{
|
|
const CWalletTx& prev = (*mi).second;
|
|
if (txin.prevout.n < prev.vout.size())
|
|
if (IsMine(prev.vout[txin.prevout.n]))
|
|
return prev.vout[txin.prevout.n].nValue;
|
|
}
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
bool CWallet::IsChange(const CTxOut& txout) const
|
|
{
|
|
CBitcoinAddress address;
|
|
|
|
// TODO: fix handling of 'change' outputs. The assumption is that any
|
|
// payment to a TX_PUBKEYHASH that is mine but isn't in the address book
|
|
// is change. That assumption is likely to break when we implement multisignature
|
|
// wallets that return change back into a multi-signature-protected address;
|
|
// a better way of identifying which outputs are 'the send' and which are
|
|
// 'the change' will need to be implemented (maybe extend CWalletTx to remember
|
|
// which output, if any, was change).
|
|
if (ExtractAddress(txout.scriptPubKey, this, address))
|
|
CRITICAL_BLOCK(cs_wallet)
|
|
if (!mapAddressBook.count(address))
|
|
return true;
|
|
return false;
|
|
}
|
|
|
|
int64 CWalletTx::GetTxTime() const
|
|
{
|
|
return nTimeReceived;
|
|
}
|
|
|
|
int CWalletTx::GetRequestCount() const
|
|
{
|
|
// Returns -1 if it wasn't being tracked
|
|
int nRequests = -1;
|
|
CRITICAL_BLOCK(pwallet->cs_wallet)
|
|
{
|
|
if (IsCoinBase())
|
|
{
|
|
// Generated block
|
|
if (hashBlock != 0)
|
|
{
|
|
map<uint256, int>::const_iterator mi = pwallet->mapRequestCount.find(hashBlock);
|
|
if (mi != pwallet->mapRequestCount.end())
|
|
nRequests = (*mi).second;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
// Did anyone request this transaction?
|
|
map<uint256, int>::const_iterator mi = pwallet->mapRequestCount.find(GetHash());
|
|
if (mi != pwallet->mapRequestCount.end())
|
|
{
|
|
nRequests = (*mi).second;
|
|
|
|
// How about the block it's in?
|
|
if (nRequests == 0 && hashBlock != 0)
|
|
{
|
|
map<uint256, int>::const_iterator mi = pwallet->mapRequestCount.find(hashBlock);
|
|
if (mi != pwallet->mapRequestCount.end())
|
|
nRequests = (*mi).second;
|
|
else
|
|
nRequests = 1; // If it's in someone else's block it must have got out
|
|
}
|
|
}
|
|
}
|
|
}
|
|
return nRequests;
|
|
}
|
|
|
|
void CWalletTx::GetAmounts(int64& nGeneratedImmature, int64& nGeneratedMature, list<pair<CBitcoinAddress, int64> >& listReceived,
|
|
list<pair<CBitcoinAddress, int64> >& listSent, int64& nFee, string& strSentAccount) const
|
|
{
|
|
nGeneratedImmature = nGeneratedMature = nFee = 0;
|
|
listReceived.clear();
|
|
listSent.clear();
|
|
strSentAccount = strFromAccount;
|
|
|
|
if (IsCoinBase())
|
|
{
|
|
if (GetBlocksToMaturity() > 0)
|
|
nGeneratedImmature = pwallet->GetCredit(*this);
|
|
else
|
|
nGeneratedMature = GetCredit();
|
|
return;
|
|
}
|
|
|
|
// Compute fee:
|
|
int64 nDebit = GetDebit();
|
|
if (nDebit > 0) // debit>0 means we signed/sent this transaction
|
|
{
|
|
int64 nValueOut = GetValueOut();
|
|
nFee = nDebit - nValueOut;
|
|
}
|
|
|
|
// Sent/received.
|
|
BOOST_FOREACH(const CTxOut& txout, vout)
|
|
{
|
|
CBitcoinAddress address;
|
|
vector<unsigned char> vchPubKey;
|
|
if (!ExtractAddress(txout.scriptPubKey, NULL, address))
|
|
{
|
|
printf("CWalletTx::GetAmounts: Unknown transaction type found, txid %s\n",
|
|
this->GetHash().ToString().c_str());
|
|
address = " unknown ";
|
|
}
|
|
|
|
// Don't report 'change' txouts
|
|
if (nDebit > 0 && pwallet->IsChange(txout))
|
|
continue;
|
|
|
|
if (nDebit > 0)
|
|
listSent.push_back(make_pair(address, txout.nValue));
|
|
|
|
if (pwallet->IsMine(txout))
|
|
listReceived.push_back(make_pair(address, txout.nValue));
|
|
}
|
|
|
|
}
|
|
|
|
void CWalletTx::GetAccountAmounts(const string& strAccount, int64& nGenerated, int64& nReceived,
|
|
int64& nSent, int64& nFee) const
|
|
{
|
|
nGenerated = nReceived = nSent = nFee = 0;
|
|
|
|
int64 allGeneratedImmature, allGeneratedMature, allFee;
|
|
allGeneratedImmature = allGeneratedMature = allFee = 0;
|
|
string strSentAccount;
|
|
list<pair<CBitcoinAddress, int64> > listReceived;
|
|
list<pair<CBitcoinAddress, int64> > listSent;
|
|
GetAmounts(allGeneratedImmature, allGeneratedMature, listReceived, listSent, allFee, strSentAccount);
|
|
|
|
if (strAccount == "")
|
|
nGenerated = allGeneratedMature;
|
|
if (strAccount == strSentAccount)
|
|
{
|
|
BOOST_FOREACH(const PAIRTYPE(CBitcoinAddress,int64)& s, listSent)
|
|
nSent += s.second;
|
|
nFee = allFee;
|
|
}
|
|
CRITICAL_BLOCK(pwallet->cs_wallet)
|
|
{
|
|
BOOST_FOREACH(const PAIRTYPE(CBitcoinAddress,int64)& r, listReceived)
|
|
{
|
|
if (pwallet->mapAddressBook.count(r.first))
|
|
{
|
|
map<CBitcoinAddress, string>::const_iterator mi = pwallet->mapAddressBook.find(r.first);
|
|
if (mi != pwallet->mapAddressBook.end() && (*mi).second == strAccount)
|
|
nReceived += r.second;
|
|
}
|
|
else if (strAccount.empty())
|
|
{
|
|
nReceived += r.second;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
void CWalletTx::AddSupportingTransactions(CTxDB& txdb)
|
|
{
|
|
vtxPrev.clear();
|
|
|
|
const int COPY_DEPTH = 3;
|
|
if (SetMerkleBranch() < COPY_DEPTH)
|
|
{
|
|
vector<uint256> vWorkQueue;
|
|
BOOST_FOREACH(const CTxIn& txin, vin)
|
|
vWorkQueue.push_back(txin.prevout.hash);
|
|
|
|
// This critsect is OK because txdb is already open
|
|
CRITICAL_BLOCK(pwallet->cs_wallet)
|
|
{
|
|
map<uint256, const CMerkleTx*> mapWalletPrev;
|
|
set<uint256> setAlreadyDone;
|
|
for (int i = 0; i < vWorkQueue.size(); i++)
|
|
{
|
|
uint256 hash = vWorkQueue[i];
|
|
if (setAlreadyDone.count(hash))
|
|
continue;
|
|
setAlreadyDone.insert(hash);
|
|
|
|
CMerkleTx tx;
|
|
map<uint256, CWalletTx>::const_iterator mi = pwallet->mapWallet.find(hash);
|
|
if (mi != pwallet->mapWallet.end())
|
|
{
|
|
tx = (*mi).second;
|
|
BOOST_FOREACH(const CMerkleTx& txWalletPrev, (*mi).second.vtxPrev)
|
|
mapWalletPrev[txWalletPrev.GetHash()] = &txWalletPrev;
|
|
}
|
|
else if (mapWalletPrev.count(hash))
|
|
{
|
|
tx = *mapWalletPrev[hash];
|
|
}
|
|
else if (!fClient && txdb.ReadDiskTx(hash, tx))
|
|
{
|
|
;
|
|
}
|
|
else
|
|
{
|
|
printf("ERROR: AddSupportingTransactions() : unsupported transaction\n");
|
|
continue;
|
|
}
|
|
|
|
int nDepth = tx.SetMerkleBranch();
|
|
vtxPrev.push_back(tx);
|
|
|
|
if (nDepth < COPY_DEPTH)
|
|
BOOST_FOREACH(const CTxIn& txin, tx.vin)
|
|
vWorkQueue.push_back(txin.prevout.hash);
|
|
}
|
|
}
|
|
}
|
|
|
|
reverse(vtxPrev.begin(), vtxPrev.end());
|
|
}
|
|
|
|
bool CWalletTx::WriteToDisk()
|
|
{
|
|
return CWalletDB(pwallet->strWalletFile).WriteTx(GetHash(), *this);
|
|
}
|
|
|
|
// 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.
|
|
int CWallet::ScanForWalletTransactions(CBlockIndex* pindexStart, bool fUpdate)
|
|
{
|
|
int ret = 0;
|
|
|
|
CBlockIndex* pindex = pindexStart;
|
|
CRITICAL_BLOCK(cs_wallet)
|
|
{
|
|
while (pindex)
|
|
{
|
|
CBlock block;
|
|
block.ReadFromDisk(pindex, true);
|
|
BOOST_FOREACH(CTransaction& tx, block.vtx)
|
|
{
|
|
if (AddToWalletIfInvolvingMe(tx, &block, fUpdate))
|
|
ret++;
|
|
}
|
|
pindex = pindex->pnext;
|
|
}
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
int CWallet::ScanForWalletTransaction(const uint256& hashTx)
|
|
{
|
|
CTransaction tx;
|
|
tx.ReadFromDisk(COutPoint(hashTx, 0));
|
|
if (AddToWalletIfInvolvingMe(tx, NULL, true, true))
|
|
return 1;
|
|
return 0;
|
|
}
|
|
|
|
void CWallet::ReacceptWalletTransactions()
|
|
{
|
|
CTxDB txdb("r");
|
|
bool fRepeat = true;
|
|
while (fRepeat) CRITICAL_BLOCK(cs_wallet)
|
|
{
|
|
fRepeat = false;
|
|
vector<CDiskTxPos> vMissingTx;
|
|
BOOST_FOREACH(PAIRTYPE(const uint256, CWalletTx)& item, mapWallet)
|
|
{
|
|
CWalletTx& wtx = item.second;
|
|
if (wtx.IsCoinBase() && wtx.IsSpent(0))
|
|
continue;
|
|
|
|
CTxIndex txindex;
|
|
bool fUpdated = false;
|
|
if (txdb.ReadTxIndex(wtx.GetHash(), txindex))
|
|
{
|
|
// Update fSpent if a tx got spent somewhere else by a copy of wallet.dat
|
|
if (txindex.vSpent.size() != wtx.vout.size())
|
|
{
|
|
printf("ERROR: ReacceptWalletTransactions() : txindex.vSpent.size() %d != wtx.vout.size() %d\n", txindex.vSpent.size(), wtx.vout.size());
|
|
continue;
|
|
}
|
|
for (int i = 0; i < txindex.vSpent.size(); i++)
|
|
{
|
|
if (wtx.IsSpent(i))
|
|
continue;
|
|
if (!txindex.vSpent[i].IsNull() && IsMine(wtx.vout[i]))
|
|
{
|
|
wtx.MarkSpent(i);
|
|
fUpdated = true;
|
|
vMissingTx.push_back(txindex.vSpent[i]);
|
|
}
|
|
}
|
|
if (fUpdated)
|
|
{
|
|
printf("ReacceptWalletTransactions found spent coin %sbc %s\n", FormatMoney(wtx.GetCredit()).c_str(), wtx.GetHash().ToString().c_str());
|
|
wtx.MarkDirty();
|
|
wtx.WriteToDisk();
|
|
}
|
|
}
|
|
else
|
|
{
|
|
// Reaccept any txes of ours that aren't already in a block
|
|
if (!wtx.IsCoinBase())
|
|
wtx.AcceptWalletTransaction(txdb, false);
|
|
}
|
|
}
|
|
if (!vMissingTx.empty())
|
|
{
|
|
// TODO: optimize this to scan just part of the block chain?
|
|
if (ScanForWalletTransactions(pindexGenesisBlock))
|
|
fRepeat = true; // Found missing transactions: re-do Reaccept.
|
|
}
|
|
}
|
|
}
|
|
|
|
void CWalletTx::RelayWalletTransaction(CTxDB& txdb)
|
|
{
|
|
BOOST_FOREACH(const CMerkleTx& tx, vtxPrev)
|
|
{
|
|
if (!tx.IsCoinBase())
|
|
{
|
|
uint256 hash = tx.GetHash();
|
|
if (!txdb.ContainsTx(hash))
|
|
RelayMessage(CInv(MSG_TX, hash), (CTransaction)tx);
|
|
}
|
|
}
|
|
if (!IsCoinBase())
|
|
{
|
|
uint256 hash = GetHash();
|
|
if (!txdb.ContainsTx(hash))
|
|
{
|
|
printf("Relaying wtx %s\n", hash.ToString().substr(0,10).c_str());
|
|
RelayMessage(CInv(MSG_TX, hash), (CTransaction)*this);
|
|
}
|
|
}
|
|
}
|
|
|
|
void CWalletTx::RelayWalletTransaction()
|
|
{
|
|
CTxDB txdb("r");
|
|
RelayWalletTransaction(txdb);
|
|
}
|
|
|
|
void CWallet::ResendWalletTransactions()
|
|
{
|
|
// Do this infrequently and randomly to avoid giving away
|
|
// that these are our transactions.
|
|
static int64 nNextTime;
|
|
if (GetTime() < nNextTime)
|
|
return;
|
|
bool fFirst = (nNextTime == 0);
|
|
nNextTime = GetTime() + GetRand(30 * 60);
|
|
if (fFirst)
|
|
return;
|
|
|
|
// Only do it if there's been a new block since last time
|
|
static int64 nLastTime;
|
|
if (nTimeBestReceived < nLastTime)
|
|
return;
|
|
nLastTime = GetTime();
|
|
|
|
// Rebroadcast any of our txes that aren't in a block yet
|
|
printf("ResendWalletTransactions()\n");
|
|
CTxDB txdb("r");
|
|
CRITICAL_BLOCK(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 (nTimeBestReceived - (int64)wtx.nTimeReceived > 5 * 60)
|
|
mapSorted.insert(make_pair(wtx.nTimeReceived, &wtx));
|
|
}
|
|
BOOST_FOREACH(PAIRTYPE(const unsigned int, CWalletTx*)& item, mapSorted)
|
|
{
|
|
CWalletTx& wtx = *item.second;
|
|
wtx.RelayWalletTransaction(txdb);
|
|
}
|
|
}
|
|
}
|
|
|
|
|
|
|
|
|
|
|
|
|
|
//////////////////////////////////////////////////////////////////////////////
|
|
//
|
|
// Actions
|
|
//
|
|
|
|
|
|
int64 CWallet::GetBalance() const
|
|
{
|
|
int64 nTotal = 0;
|
|
CRITICAL_BLOCK(cs_wallet)
|
|
{
|
|
for (map<uint256, CWalletTx>::const_iterator it = mapWallet.begin(); it != mapWallet.end(); ++it)
|
|
{
|
|
const CWalletTx* pcoin = &(*it).second;
|
|
if (!pcoin->IsFinal() || !pcoin->IsConfirmed())
|
|
continue;
|
|
nTotal += pcoin->GetAvailableCredit();
|
|
}
|
|
}
|
|
|
|
return nTotal;
|
|
}
|
|
|
|
int64 CWallet::GetUnconfirmedBalance() const
|
|
{
|
|
int64 nTotal = 0;
|
|
CRITICAL_BLOCK(cs_wallet)
|
|
{
|
|
for (map<uint256, CWalletTx>::const_iterator it = mapWallet.begin(); it != mapWallet.end(); ++it)
|
|
{
|
|
const CWalletTx* pcoin = &(*it).second;
|
|
if (pcoin->IsFinal() && pcoin->IsConfirmed())
|
|
continue;
|
|
nTotal += pcoin->GetAvailableCredit();
|
|
}
|
|
}
|
|
return nTotal;
|
|
}
|
|
|
|
bool CWallet::SelectCoinsMinConf(int64 nTargetValue, int nConfMine, int nConfTheirs, set<pair<const CWalletTx*,unsigned int> >& setCoinsRet, int64& nValueRet) const
|
|
{
|
|
setCoinsRet.clear();
|
|
nValueRet = 0;
|
|
|
|
// List of values less than target
|
|
pair<int64, pair<const CWalletTx*,unsigned int> > coinLowestLarger;
|
|
coinLowestLarger.first = std::numeric_limits<int64>::max();
|
|
coinLowestLarger.second.first = NULL;
|
|
vector<pair<int64, pair<const CWalletTx*,unsigned int> > > vValue;
|
|
int64 nTotalLower = 0;
|
|
|
|
CRITICAL_BLOCK(cs_wallet)
|
|
{
|
|
vector<const CWalletTx*> vCoins;
|
|
vCoins.reserve(mapWallet.size());
|
|
for (map<uint256, CWalletTx>::const_iterator it = mapWallet.begin(); it != mapWallet.end(); ++it)
|
|
vCoins.push_back(&(*it).second);
|
|
random_shuffle(vCoins.begin(), vCoins.end(), GetRandInt);
|
|
|
|
BOOST_FOREACH(const CWalletTx* pcoin, vCoins)
|
|
{
|
|
if (!pcoin->IsFinal() || !pcoin->IsConfirmed())
|
|
continue;
|
|
|
|
if (pcoin->IsCoinBase() && pcoin->GetBlocksToMaturity() > 0)
|
|
continue;
|
|
|
|
int nDepth = pcoin->GetDepthInMainChain();
|
|
if (nDepth < (pcoin->IsFromMe() ? nConfMine : nConfTheirs))
|
|
continue;
|
|
|
|
for (int i = 0; i < pcoin->vout.size(); i++)
|
|
{
|
|
if (pcoin->IsSpent(i) || !IsMine(pcoin->vout[i]))
|
|
continue;
|
|
|
|
int64 n = pcoin->vout[i].nValue;
|
|
|
|
if (n <= 0)
|
|
continue;
|
|
|
|
pair<int64,pair<const CWalletTx*,unsigned int> > coin = make_pair(n,make_pair(pcoin,i));
|
|
|
|
if (n == nTargetValue)
|
|
{
|
|
setCoinsRet.insert(coin.second);
|
|
nValueRet += coin.first;
|
|
return true;
|
|
}
|
|
else if (n < nTargetValue + CENT)
|
|
{
|
|
vValue.push_back(coin);
|
|
nTotalLower += n;
|
|
}
|
|
else if (n < coinLowestLarger.first)
|
|
{
|
|
coinLowestLarger = coin;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
if (nTotalLower == nTargetValue || nTotalLower == nTargetValue + CENT)
|
|
{
|
|
for (int i = 0; i < vValue.size(); ++i)
|
|
{
|
|
setCoinsRet.insert(vValue[i].second);
|
|
nValueRet += vValue[i].first;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
if (nTotalLower < nTargetValue + (coinLowestLarger.second.first ? CENT : 0))
|
|
{
|
|
if (coinLowestLarger.second.first == NULL)
|
|
return false;
|
|
setCoinsRet.insert(coinLowestLarger.second);
|
|
nValueRet += coinLowestLarger.first;
|
|
return true;
|
|
}
|
|
|
|
if (nTotalLower >= nTargetValue + CENT)
|
|
nTargetValue += CENT;
|
|
|
|
// Solve subset sum by stochastic approximation
|
|
sort(vValue.rbegin(), vValue.rend());
|
|
vector<char> vfIncluded;
|
|
vector<char> vfBest(vValue.size(), true);
|
|
int64 nBest = nTotalLower;
|
|
|
|
for (int nRep = 0; nRep < 1000 && nBest != nTargetValue; nRep++)
|
|
{
|
|
vfIncluded.assign(vValue.size(), false);
|
|
int64 nTotal = 0;
|
|
bool fReachedTarget = false;
|
|
for (int nPass = 0; nPass < 2 && !fReachedTarget; nPass++)
|
|
{
|
|
for (int i = 0; i < vValue.size(); i++)
|
|
{
|
|
if (nPass == 0 ? rand() % 2 : !vfIncluded[i])
|
|
{
|
|
nTotal += vValue[i].first;
|
|
vfIncluded[i] = true;
|
|
if (nTotal >= nTargetValue)
|
|
{
|
|
fReachedTarget = true;
|
|
if (nTotal < nBest)
|
|
{
|
|
nBest = nTotal;
|
|
vfBest = vfIncluded;
|
|
}
|
|
nTotal -= vValue[i].first;
|
|
vfIncluded[i] = false;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
// If the next larger is still closer, return it
|
|
if (coinLowestLarger.second.first && coinLowestLarger.first - nTargetValue <= nBest - nTargetValue)
|
|
{
|
|
setCoinsRet.insert(coinLowestLarger.second);
|
|
nValueRet += coinLowestLarger.first;
|
|
}
|
|
else {
|
|
for (int i = 0; i < vValue.size(); i++)
|
|
if (vfBest[i])
|
|
{
|
|
setCoinsRet.insert(vValue[i].second);
|
|
nValueRet += vValue[i].first;
|
|
}
|
|
|
|
//// debug print
|
|
printf("SelectCoins() best subset: ");
|
|
for (int i = 0; i < vValue.size(); i++)
|
|
if (vfBest[i])
|
|
printf("%s ", FormatMoney(vValue[i].first).c_str());
|
|
printf("total %s\n", FormatMoney(nBest).c_str());
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
bool CWallet::SelectCoins(int64 nTargetValue, set<pair<const CWalletTx*,unsigned int> >& setCoinsRet, int64& nValueRet) const
|
|
{
|
|
return (SelectCoinsMinConf(nTargetValue, 1, 6, setCoinsRet, nValueRet) ||
|
|
SelectCoinsMinConf(nTargetValue, 1, 1, setCoinsRet, nValueRet) ||
|
|
SelectCoinsMinConf(nTargetValue, 0, 1, setCoinsRet, nValueRet));
|
|
}
|
|
|
|
|
|
|
|
|
|
bool CWallet::CreateTransaction(const vector<pair<CScript, int64> >& vecSend, CWalletTx& wtxNew, CReserveKey& reservekey, int64& nFeeRet)
|
|
{
|
|
int64 nValue = 0;
|
|
BOOST_FOREACH (const PAIRTYPE(CScript, int64)& s, vecSend)
|
|
{
|
|
if (nValue < 0)
|
|
return false;
|
|
nValue += s.second;
|
|
}
|
|
if (vecSend.empty() || nValue < 0)
|
|
return false;
|
|
|
|
wtxNew.BindWallet(this);
|
|
|
|
CRITICAL_BLOCK(cs_main)
|
|
CRITICAL_BLOCK(cs_wallet)
|
|
{
|
|
// txdb must be opened before the mapWallet lock
|
|
CTxDB txdb("r");
|
|
{
|
|
nFeeRet = nTransactionFee;
|
|
loop
|
|
{
|
|
wtxNew.vin.clear();
|
|
wtxNew.vout.clear();
|
|
wtxNew.fFromMe = true;
|
|
|
|
int64 nTotalValue = nValue + nFeeRet;
|
|
double dPriority = 0;
|
|
// vouts to the payees
|
|
BOOST_FOREACH (const PAIRTYPE(CScript, int64)& s, vecSend)
|
|
wtxNew.vout.push_back(CTxOut(s.second, s.first));
|
|
|
|
// Choose coins to use
|
|
set<pair<const CWalletTx*,unsigned int> > setCoins;
|
|
int64 nValueIn = 0;
|
|
if (!SelectCoins(nTotalValue, setCoins, nValueIn))
|
|
return false;
|
|
BOOST_FOREACH(PAIRTYPE(const CWalletTx*, unsigned int) pcoin, setCoins)
|
|
{
|
|
int64 nCredit = pcoin.first->vout[pcoin.second].nValue;
|
|
dPriority += (double)nCredit * pcoin.first->GetDepthInMainChain();
|
|
}
|
|
|
|
int64 nChange = nValueIn - nValue - nFeeRet;
|
|
// if sub-cent change is required, the fee must be raised to at least MIN_TX_FEE
|
|
// or until nChange becomes zero
|
|
if (nFeeRet < MIN_TX_FEE && nChange > 0 && nChange < CENT)
|
|
{
|
|
int64 nMoveToFee = min(nChange, MIN_TX_FEE - nFeeRet);
|
|
nChange -= nMoveToFee;
|
|
nFeeRet += nMoveToFee;
|
|
}
|
|
|
|
if (nChange > 0)
|
|
{
|
|
// Note: We use a new key here to keep it from being obvious which side is the change.
|
|
// The drawback is that by not reusing a previous key, the change may be lost if a
|
|
// backup is restored, if the backup doesn't have the new private key for the change.
|
|
// If we reused the old key, it would be possible to add code to look for and
|
|
// rediscover unknown transactions that were written with keys of ours to recover
|
|
// post-backup change.
|
|
|
|
// Reserve a new key pair from key pool
|
|
vector<unsigned char> vchPubKey = reservekey.GetReservedKey();
|
|
// assert(mapKeys.count(vchPubKey));
|
|
|
|
// Fill a vout to ourself
|
|
// TODO: pass in scriptChange instead of reservekey so
|
|
// change transaction isn't always pay-to-bitcoin-address
|
|
CScript scriptChange;
|
|
scriptChange.SetBitcoinAddress(vchPubKey);
|
|
|
|
// Insert change txn at random position:
|
|
vector<CTxOut>::iterator position = wtxNew.vout.begin()+GetRandInt(wtxNew.vout.size());
|
|
wtxNew.vout.insert(position, CTxOut(nChange, scriptChange));
|
|
}
|
|
else
|
|
reservekey.ReturnKey();
|
|
|
|
// Fill vin
|
|
BOOST_FOREACH(const PAIRTYPE(const CWalletTx*,unsigned int)& coin, setCoins)
|
|
wtxNew.vin.push_back(CTxIn(coin.first->GetHash(),coin.second));
|
|
|
|
// Sign
|
|
int nIn = 0;
|
|
BOOST_FOREACH(const PAIRTYPE(const CWalletTx*,unsigned int)& coin, setCoins)
|
|
if (!SignSignature(*this, *coin.first, wtxNew, nIn++))
|
|
return false;
|
|
|
|
// Limit size
|
|
unsigned int nBytes = ::GetSerializeSize(*(CTransaction*)&wtxNew, SER_NETWORK);
|
|
if (nBytes >= MAX_BLOCK_SIZE_GEN/5)
|
|
return false;
|
|
dPriority /= nBytes;
|
|
|
|
// Check that enough fee is included
|
|
int64 nPayFee = nTransactionFee * (1 + (int64)nBytes / 1000);
|
|
bool fAllowFree = CTransaction::AllowFree(dPriority);
|
|
int64 nMinFee = wtxNew.GetMinFee(1, fAllowFree);
|
|
if (nFeeRet < max(nPayFee, nMinFee))
|
|
{
|
|
nFeeRet = max(nPayFee, nMinFee);
|
|
continue;
|
|
}
|
|
|
|
// Fill vtxPrev by copying from previous transactions vtxPrev
|
|
wtxNew.AddSupportingTransactions(txdb);
|
|
wtxNew.fTimeReceivedIsTxTime = true;
|
|
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
|
|
bool CWallet::CreateTransaction(CScript scriptPubKey, int64 nValue, CWalletTx& wtxNew, CReserveKey& reservekey, int64& nFeeRet)
|
|
{
|
|
vector< pair<CScript, int64> > vecSend;
|
|
vecSend.push_back(make_pair(scriptPubKey, nValue));
|
|
return CreateTransaction(vecSend, wtxNew, reservekey, nFeeRet);
|
|
}
|
|
|
|
// Call after CreateTransaction unless you want to abort
|
|
bool CWallet::CommitTransaction(CWalletTx& wtxNew, CReserveKey& reservekey)
|
|
{
|
|
CRITICAL_BLOCK(cs_main)
|
|
CRITICAL_BLOCK(cs_wallet)
|
|
{
|
|
printf("CommitTransaction:\n%s", wtxNew.ToString().c_str());
|
|
{
|
|
// This is only to keep the database open to defeat the auto-flush for the
|
|
// duration of this scope. This is the only place where this optimization
|
|
// maybe makes sense; please don't do it anywhere else.
|
|
CWalletDB* pwalletdb = fFileBacked ? new CWalletDB(strWalletFile,"r") : NULL;
|
|
|
|
// Take key pair from key pool so it won't be used again
|
|
reservekey.KeepKey();
|
|
|
|
// Add tx to wallet, because if it has change it's also ours,
|
|
// otherwise just for transaction history.
|
|
AddToWallet(wtxNew);
|
|
|
|
// Mark old coins as spent
|
|
set<CWalletTx*> setCoins;
|
|
BOOST_FOREACH(const CTxIn& txin, wtxNew.vin)
|
|
{
|
|
CWalletTx &coin = mapWallet[txin.prevout.hash];
|
|
coin.BindWallet(this);
|
|
coin.MarkSpent(txin.prevout.n);
|
|
coin.WriteToDisk();
|
|
vWalletUpdated.push_back(coin.GetHash());
|
|
}
|
|
|
|
if (fFileBacked)
|
|
delete pwalletdb;
|
|
}
|
|
|
|
// Track how many getdata requests our transaction gets
|
|
mapRequestCount[wtxNew.GetHash()] = 0;
|
|
|
|
// Broadcast
|
|
if (!wtxNew.AcceptToMemoryPool())
|
|
{
|
|
// This must not fail. The transaction has already been signed and recorded.
|
|
printf("CommitTransaction() : Error: Transaction not valid");
|
|
return false;
|
|
}
|
|
wtxNew.RelayWalletTransaction();
|
|
}
|
|
MainFrameRepaint();
|
|
return true;
|
|
}
|
|
|
|
|
|
|
|
|
|
string CWallet::SendMoney(CScript scriptPubKey, int64 nValue, CWalletTx& wtxNew, bool fAskFee)
|
|
{
|
|
CReserveKey reservekey(this);
|
|
int64 nFeeRequired;
|
|
|
|
if (IsLocked())
|
|
{
|
|
string strError = _("Error: Wallet locked, unable to create transaction ");
|
|
printf("SendMoney() : %s", strError.c_str());
|
|
return strError;
|
|
}
|
|
if (!CreateTransaction(scriptPubKey, nValue, wtxNew, reservekey, nFeeRequired))
|
|
{
|
|
string strError;
|
|
if (nValue + nFeeRequired > GetBalance())
|
|
strError = strprintf(_("Error: This transaction requires a transaction fee of at least %s because of its amount, complexity, or use of recently received funds "), FormatMoney(nFeeRequired).c_str());
|
|
else
|
|
strError = _("Error: Transaction creation failed ");
|
|
printf("SendMoney() : %s", strError.c_str());
|
|
return strError;
|
|
}
|
|
|
|
if (fAskFee && !ThreadSafeAskFee(nFeeRequired, _("Sending..."), NULL))
|
|
return "ABORTED";
|
|
|
|
if (!CommitTransaction(wtxNew, reservekey))
|
|
return _("Error: The transaction was rejected. This might happen if some of the coins in your wallet were already spent, such as if you used a copy of wallet.dat and coins were spent in the copy but not marked as spent here.");
|
|
|
|
MainFrameRepaint();
|
|
return "";
|
|
}
|
|
|
|
|
|
|
|
string CWallet::SendMoneyToBitcoinAddress(const CBitcoinAddress& address, int64 nValue, CWalletTx& wtxNew, bool fAskFee)
|
|
{
|
|
// Check amount
|
|
if (nValue <= 0)
|
|
return _("Invalid amount");
|
|
if (nValue + nTransactionFee > GetBalance())
|
|
return _("Insufficient funds");
|
|
|
|
// Parse bitcoin address
|
|
CScript scriptPubKey;
|
|
scriptPubKey.SetBitcoinAddress(address);
|
|
|
|
return SendMoney(scriptPubKey, nValue, wtxNew, fAskFee);
|
|
}
|
|
|
|
|
|
|
|
|
|
int CWallet::LoadWallet(bool& fFirstRunRet)
|
|
{
|
|
if (!fFileBacked)
|
|
return false;
|
|
fFirstRunRet = false;
|
|
int nLoadWalletRet = CWalletDB(strWalletFile,"cr+").LoadWallet(this);
|
|
if (nLoadWalletRet == DB_NEED_REWRITE)
|
|
{
|
|
if (CDB::Rewrite(strWalletFile, "\x04pool"))
|
|
{
|
|
setKeyPool.clear();
|
|
// Note: can't top-up keypool here, because wallet is locked.
|
|
// User will be prompted to unlock wallet the next operation
|
|
// the requires a new key.
|
|
}
|
|
nLoadWalletRet = DB_NEED_REWRITE;
|
|
}
|
|
|
|
if (nLoadWalletRet != DB_LOAD_OK)
|
|
return nLoadWalletRet;
|
|
fFirstRunRet = vchDefaultKey.empty();
|
|
|
|
if (!HaveKey(Hash160(vchDefaultKey)))
|
|
{
|
|
// Create new keyUser and set as default key
|
|
RandAddSeedPerfmon();
|
|
|
|
std::vector<unsigned char> newDefaultKey;
|
|
if (!GetKeyFromPool(newDefaultKey, false))
|
|
return DB_LOAD_FAIL;
|
|
SetDefaultKey(newDefaultKey);
|
|
if (!SetAddressBookName(CBitcoinAddress(vchDefaultKey), ""))
|
|
return DB_LOAD_FAIL;
|
|
}
|
|
|
|
CreateThread(ThreadFlushWalletDB, &strWalletFile);
|
|
return DB_LOAD_OK;
|
|
}
|
|
|
|
|
|
bool CWallet::SetAddressBookName(const CBitcoinAddress& address, const string& strName)
|
|
{
|
|
mapAddressBook[address] = strName;
|
|
if (!fFileBacked)
|
|
return false;
|
|
return CWalletDB(strWalletFile).WriteName(address.ToString(), strName);
|
|
}
|
|
|
|
bool CWallet::DelAddressBookName(const CBitcoinAddress& address)
|
|
{
|
|
mapAddressBook.erase(address);
|
|
if (!fFileBacked)
|
|
return false;
|
|
return CWalletDB(strWalletFile).EraseName(address.ToString());
|
|
}
|
|
|
|
|
|
void CWallet::PrintWallet(const CBlock& block)
|
|
{
|
|
CRITICAL_BLOCK(cs_wallet)
|
|
{
|
|
if (mapWallet.count(block.vtx[0].GetHash()))
|
|
{
|
|
CWalletTx& wtx = mapWallet[block.vtx[0].GetHash()];
|
|
printf(" mine: %d %d %d", wtx.GetDepthInMainChain(), wtx.GetBlocksToMaturity(), wtx.GetCredit());
|
|
}
|
|
}
|
|
printf("\n");
|
|
}
|
|
|
|
bool CWallet::GetTransaction(const uint256 &hashTx, CWalletTx& wtx)
|
|
{
|
|
CRITICAL_BLOCK(cs_wallet)
|
|
{
|
|
map<uint256, CWalletTx>::iterator mi = mapWallet.find(hashTx);
|
|
if (mi != mapWallet.end())
|
|
{
|
|
wtx = (*mi).second;
|
|
return true;
|
|
}
|
|
}
|
|
return false;
|
|
}
|
|
|
|
bool CWallet::SetDefaultKey(const std::vector<unsigned char> &vchPubKey)
|
|
{
|
|
if (fFileBacked)
|
|
{
|
|
if (!CWalletDB(strWalletFile).WriteDefaultKey(vchPubKey))
|
|
return false;
|
|
}
|
|
vchDefaultKey = vchPubKey;
|
|
return true;
|
|
}
|
|
|
|
bool GetWalletFile(CWallet* pwallet, string &strWalletFileOut)
|
|
{
|
|
if (!pwallet->fFileBacked)
|
|
return false;
|
|
strWalletFileOut = pwallet->strWalletFile;
|
|
return true;
|
|
}
|
|
|
|
//
|
|
// Mark old keypool keys as used,
|
|
// and generate all new keys
|
|
//
|
|
bool CWallet::NewKeyPool()
|
|
{
|
|
CRITICAL_BLOCK(cs_wallet)
|
|
{
|
|
CWalletDB walletdb(strWalletFile);
|
|
BOOST_FOREACH(int64 nIndex, setKeyPool)
|
|
walletdb.ErasePool(nIndex);
|
|
setKeyPool.clear();
|
|
|
|
if (IsLocked())
|
|
return false;
|
|
|
|
int64 nKeys = max(GetArg("-keypool", 100), (int64)0);
|
|
for (int i = 0; i < nKeys; i++)
|
|
{
|
|
int64 nIndex = i+1;
|
|
walletdb.WritePool(nIndex, CKeyPool(GenerateNewKey()));
|
|
setKeyPool.insert(nIndex);
|
|
}
|
|
printf("CWallet::NewKeyPool wrote %"PRI64d" new keys\n", nKeys);
|
|
}
|
|
return true;
|
|
}
|
|
|
|
bool CWallet::TopUpKeyPool()
|
|
{
|
|
CRITICAL_BLOCK(cs_wallet)
|
|
{
|
|
if (IsLocked())
|
|
return false;
|
|
|
|
CWalletDB walletdb(strWalletFile);
|
|
|
|
// Top up key pool
|
|
int64 nTargetSize = max(GetArg("-keypool", 100), (int64)0);
|
|
while (setKeyPool.size() < nTargetSize+1)
|
|
{
|
|
int64 nEnd = 1;
|
|
if (!setKeyPool.empty())
|
|
nEnd = *(--setKeyPool.end()) + 1;
|
|
if (!walletdb.WritePool(nEnd, CKeyPool(GenerateNewKey())))
|
|
throw runtime_error("TopUpKeyPool() : writing generated key failed");
|
|
setKeyPool.insert(nEnd);
|
|
printf("keypool added key %"PRI64d", size=%d\n", nEnd, setKeyPool.size());
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
|
|
void CWallet::ReserveKeyFromKeyPool(int64& nIndex, CKeyPool& keypool)
|
|
{
|
|
nIndex = -1;
|
|
keypool.vchPubKey.clear();
|
|
CRITICAL_BLOCK(cs_wallet)
|
|
{
|
|
if (!IsLocked())
|
|
TopUpKeyPool();
|
|
|
|
// Get the oldest key
|
|
if(setKeyPool.empty())
|
|
return;
|
|
|
|
CWalletDB walletdb(strWalletFile);
|
|
|
|
nIndex = *(setKeyPool.begin());
|
|
setKeyPool.erase(setKeyPool.begin());
|
|
if (!walletdb.ReadPool(nIndex, keypool))
|
|
throw runtime_error("ReserveKeyFromKeyPool() : read failed");
|
|
if (!HaveKey(Hash160(keypool.vchPubKey)))
|
|
throw runtime_error("ReserveKeyFromKeyPool() : unknown key in key pool");
|
|
assert(!keypool.vchPubKey.empty());
|
|
printf("keypool reserve %"PRI64d"\n", nIndex);
|
|
}
|
|
}
|
|
|
|
int64 CWallet::AddReserveKey(const CKeyPool& keypool)
|
|
{
|
|
CRITICAL_BLOCK(cs_main)
|
|
CRITICAL_BLOCK(cs_wallet)
|
|
{
|
|
CWalletDB walletdb(strWalletFile);
|
|
|
|
int64 nIndex = 1 + *(--setKeyPool.end());
|
|
if (!walletdb.WritePool(nIndex, keypool))
|
|
throw runtime_error("AddReserveKey() : writing added key failed");
|
|
setKeyPool.insert(nIndex);
|
|
return nIndex;
|
|
}
|
|
return -1;
|
|
}
|
|
|
|
void CWallet::KeepKey(int64 nIndex)
|
|
{
|
|
// Remove from key pool
|
|
if (fFileBacked)
|
|
{
|
|
CWalletDB walletdb(strWalletFile);
|
|
walletdb.ErasePool(nIndex);
|
|
}
|
|
printf("keypool keep %"PRI64d"\n", nIndex);
|
|
}
|
|
|
|
void CWallet::ReturnKey(int64 nIndex)
|
|
{
|
|
// Return to key pool
|
|
CRITICAL_BLOCK(cs_wallet)
|
|
setKeyPool.insert(nIndex);
|
|
printf("keypool return %"PRI64d"\n", nIndex);
|
|
}
|
|
|
|
bool CWallet::GetKeyFromPool(vector<unsigned char>& result, bool fAllowReuse)
|
|
{
|
|
int64 nIndex = 0;
|
|
CKeyPool keypool;
|
|
CRITICAL_BLOCK(cs_wallet)
|
|
{
|
|
ReserveKeyFromKeyPool(nIndex, keypool);
|
|
if (nIndex == -1)
|
|
{
|
|
if (fAllowReuse && !vchDefaultKey.empty())
|
|
{
|
|
result = vchDefaultKey;
|
|
return true;
|
|
}
|
|
if (IsLocked()) return false;
|
|
result = GenerateNewKey();
|
|
return true;
|
|
}
|
|
KeepKey(nIndex);
|
|
result = keypool.vchPubKey;
|
|
}
|
|
return true;
|
|
}
|
|
|
|
int64 CWallet::GetOldestKeyPoolTime()
|
|
{
|
|
int64 nIndex = 0;
|
|
CKeyPool keypool;
|
|
ReserveKeyFromKeyPool(nIndex, keypool);
|
|
if (nIndex == -1)
|
|
return GetTime();
|
|
ReturnKey(nIndex);
|
|
return keypool.nTime;
|
|
}
|
|
|
|
vector<unsigned char> CReserveKey::GetReservedKey()
|
|
{
|
|
if (nIndex == -1)
|
|
{
|
|
CKeyPool keypool;
|
|
pwallet->ReserveKeyFromKeyPool(nIndex, keypool);
|
|
if (nIndex != -1)
|
|
vchPubKey = keypool.vchPubKey;
|
|
else
|
|
{
|
|
printf("CReserveKey::GetReservedKey(): Warning: using default key instead of a new key, top up your keypool.");
|
|
vchPubKey = pwallet->vchDefaultKey;
|
|
}
|
|
}
|
|
assert(!vchPubKey.empty());
|
|
return vchPubKey;
|
|
}
|
|
|
|
void CReserveKey::KeepKey()
|
|
{
|
|
if (nIndex != -1)
|
|
pwallet->KeepKey(nIndex);
|
|
nIndex = -1;
|
|
vchPubKey.clear();
|
|
}
|
|
|
|
void CReserveKey::ReturnKey()
|
|
{
|
|
if (nIndex != -1)
|
|
pwallet->ReturnKey(nIndex);
|
|
nIndex = -1;
|
|
vchPubKey.clear();
|
|
}
|
|
|
|
void CWallet::GetAllReserveAddresses(set<CBitcoinAddress>& setAddress)
|
|
{
|
|
setAddress.clear();
|
|
|
|
CWalletDB walletdb(strWalletFile);
|
|
|
|
CRITICAL_BLOCK(cs_main)
|
|
CRITICAL_BLOCK(cs_wallet)
|
|
BOOST_FOREACH(const int64& id, setKeyPool)
|
|
{
|
|
CKeyPool keypool;
|
|
if (!walletdb.ReadPool(id, keypool))
|
|
throw runtime_error("GetAllReserveKeyHashes() : read failed");
|
|
CBitcoinAddress address(keypool.vchPubKey);
|
|
assert(!keypool.vchPubKey.empty());
|
|
if (!HaveKey(address))
|
|
throw runtime_error("GetAllReserveKeyHashes() : unknown key in key pool");
|
|
setAddress.insert(address);
|
|
}
|
|
}
|