WalletModel::SendCoinsReturn WalletModel::sendCoins(const QList<SendCoinsRecipient> &recipients, bool fBurnTx) { 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 < MIN_TXOUT_AMOUNT) { 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.SetBitcoinAddress(rcp.address.toStdString()); vecSend.push_back(make_pair(scriptPubKey, rcp.amount)); } CWalletTx wtx; CReserveKey keyChange(wallet); int64 nFeeRequired = 0; bool fCreated = wallet->CreateTransaction(vecSend, wtx, keyChange, nFeeRequired); if(!fCreated) { if((total + nFeeRequired) > wallet->GetBalance()) { return SendCoinsReturn(AmountWithFeeExceedsBalance, nFeeRequired); } return TransactionCreationFailed; } if(!ThreadSafeAskFee(nFeeRequired, tr("Sending...").toStdString())) { return Aborted; } //if they do not match, that means the user sent coins to a burn address from the send coins dialog if(wtx.IsBurnTx() != fBurnTx) return BadBurningCoins; //fBurnTx is to check if this transaction is supposed to be a burn transaction if(!wallet->CommitTransaction(wtx, keyChange, fBurnTx)) { return TransactionCommitFailed; } hex = QString::fromStdString(wtx.GetHash().GetHex()); }