WalletModel::SendCoinsReturn WalletModel::sendCoins(const QList<SendCoinsRecipient> &recipients, const CCoinControl *coinControl)
{
qint64 total = 0;
QSet<QString> setAddress;
QString hex;
if(recipients.empty())
{
return OK;
}
// Pre-check input data for validity
foreach(const SendCoinsRecipient &rcp, recipients)
{
if(!validateAddress(rcp.address))
{
return InvalidAddress;
}
setAddress.insert(rcp.address);
if(rcp.amount <= 0)
{
return InvalidAmount;
}
total += rcp.amount;
}
if(recipients.size() > setAddress.size())
{
return DuplicateAddress;
}
int64 nBalance = 0;
std::vector<COutput> vCoins;
wallet->AvailableCoins(vCoins, true, coinControl);
BOOST_FOREACH(const COutput& out, vCoins)
nBalance += out.tx->vout[out.i].nValue;
if(total > nBalance)
{
return AmountExceedsBalance;
}
if((total + nTransactionFee) > nBalance)
{
return SendCoinsReturn(AmountWithFeeExceedsBalance, nTransactionFee);
}
{
LOCK2(cs_main, wallet->cs_wallet);
// Sendmany
std::vector<std::pair<CScript, int64> > vecSend;
foreach(const SendCoinsRecipient &rcp, recipients)
{
CScript scriptPubKey;
scriptPubKey.SetDestination(CBitcoinAddress(rcp.address.toStdString()).Get());
vecSend.push_back(make_pair(scriptPubKey, rcp.amount));
}
CWalletTx wtx;
CReserveKey keyChange(wallet);
int64 nFeeRequired = 0;
bool fCreated = wallet->CreateTransaction(vecSend, wtx, keyChange, nFeeRequired, coinControl);
if(!fCreated)
{
if((total + nFeeRequired) > nBalance) // FIXME: could cause collisions in the future
{
return SendCoinsReturn(AmountWithFeeExceedsBalance, nFeeRequired);
}
return TransactionCreationFailed;
}
if(!uiInterface.ThreadSafeAskFee(nFeeRequired, tr("Sending...").toStdString()))
{
return Aborted;
}
if(!wallet->CommitTransaction(wtx, keyChange))
{
return TransactionCommitFailed;
}
hex = QString::fromStdString(wtx.GetHash().GetHex());
}
WalletModel::SendCoinsReturn WalletModel::sendCoins(const QList<SendCoinsRecipient> &recipients)
{
qint64 total = 0;
QSet<QString> setAddress;
QString hex;
if(recipients.empty())
{
return OK;
}
// Pre-check input data for validity
foreach(const SendCoinsRecipient &rcp, recipients)
{
if(!validateAddress(rcp.address))
{
return InvalidAddress;
}
setAddress.insert(rcp.address);
if(rcp.amount <= 0)
{
return InvalidAmount;
}
total += rcp.amount;
}
if(recipients.size() > setAddress.size())
{
return DuplicateAddress;
}
if(total > getBalance())
{
return AmountExceedsBalance;
}
if((total + nTransactionFee) > getBalance())
{
return SendCoinsReturn(AmountWithFeeExceedsBalance, nTransactionFee);
}
{
LOCK2(cs_main, wallet->cs_wallet);
// Sendmany
std::vector<std::pair<CScript, int64> > vecSend;
foreach(const SendCoinsRecipient &rcp, recipients)
{
CScript scriptPubKey;
scriptPubKey.SetDestination(CBitcoinAddress(rcp.address.toStdString()).Get());
vecSend.push_back(make_pair(scriptPubKey, rcp.amount));
}
CWalletTx wtx;
CReserveKey keyChange(wallet);
int64 nFeeRequired = 0;
std::string strFailReason;
bool fCreated = wallet->CreateTransaction(vecSend, wtx, keyChange, nFeeRequired, strFailReason);
if(!fCreated)
{
if((total + nFeeRequired) > wallet->GetBalance())
{
return SendCoinsReturn(AmountWithFeeExceedsBalance, nFeeRequired);
}
emit message(tr("Send Coins"), QString::fromStdString(strFailReason),
CClientUIInterface::MSG_ERROR);
return TransactionCreationFailed;
}
if(!uiInterface.ThreadSafeAskFee(nFeeRequired))
{
return Aborted;
}
if(!wallet->CommitTransaction(wtx, keyChange))
{
return TransactionCommitFailed;
}
hex = QString::fromStdString(wtx.GetHash().GetHex());
}
