WalletModel::SendCoinsReturn WalletModel::prepareTransaction(WalletModelTransaction &transaction, const CCoinControl *coinControl)
{
qint64 total = 0;
QList<SendCoinsRecipient> recipients = transaction.getRecipients();
std::vector<std::pair<CScript, int64_t> > vecSend;
if(recipients.empty())
{
return OK;
}
QSet<QString> setAddress; // Used to detect duplicates
int nAddresses = 0;
// Pre-check input data for validity
foreach(const SendCoinsRecipient &rcp, recipients)
{
if (rcp.paymentRequest.IsInitialized())
{ // PaymentRequest...
int64_t subtotal = 0;
const payments::PaymentDetails& details = rcp.paymentRequest.getDetails();
for (int i = 0; i < details.outputs_size(); i++)
{
const payments::Output& out = details.outputs(i);
if (out.amount() <= 0) continue;
subtotal += out.amount();
const unsigned char* scriptStr = (const unsigned char*)out.script().data();
CScript scriptPubKey(scriptStr, scriptStr+out.script().size());
vecSend.push_back(std::pair<CScript, int64_t>(scriptPubKey, out.amount()));
}
if (subtotal <= 0)
{
return InvalidAmount;
}
total += subtotal;
}
else
{ // User-entered bitcoin address / amount:
if(!validateAddress(rcp.address))
{
return InvalidAddress;
}
if(rcp.amount <= 0)
{
return InvalidAmount;
}
setAddress.insert(rcp.address);
++nAddresses;
// stealth
std::string sAddr = rcp.address.toStdString();
if (rcp.typeInd == AddressTableModel::AT_Stealth)
{
if ( (!TestNet() && (chainActive.Height() < BLOCK_STEALTH_START))
|| (TestNet() && (chainActive.Height() < 200)) )
{
emit message(tr("Send Coins"), tr("Stealth addresses not yet supported"),
CClientUIInterface::MSG_ERROR);
return InvalidAddress;
}
CStealthAddress sxAddr;
if (sxAddr.SetEncoded(sAddr))
{
ec_secret ephem_secret;
ec_secret secretShared;
ec_point pkSendTo;
ec_point ephem_pubkey;
if (GenerateRandomSecret(ephem_secret) != 0)
{
LogPrintf("GenerateRandomSecret failed.\n");
return InvalidAddress;
};
if (StealthSecret(ephem_secret, sxAddr.scan_pubkey, sxAddr.spend_pubkey, secretShared, pkSendTo) != 0)
{
LogPrintf("Could not generate receiving public key.\n");
return InvalidAddress;
};
CPubKey cpkTo(pkSendTo);
if (!cpkTo.IsValid())
{
LogPrintf("Invalid public key generated.\n");
return InvalidAddress;
};
CKeyID ckidTo = cpkTo.GetID();
CBitcoinAddress addrTo(ckidTo);
if (SecretToPublicKey(ephem_secret, ephem_pubkey) != 0)
{
LogPrintf("Could not generate ephem public key.\n");
return InvalidAddress;
};
if (fDebug)
{
LogPrintf("Stealth send to generated pubkey %ui: %s\n", pkSendTo.size(), HexStr(pkSendTo).c_str());
LogPrintf("hash %s\n", addrTo.ToString().c_str());
LogPrintf("ephem_pubkey %ui: %s\n", ephem_pubkey.size(), HexStr(ephem_pubkey).c_str());
};
CScript scriptPubKey;
scriptPubKey.SetDestination(addrTo.Get());
vecSend.push_back(make_pair(scriptPubKey, rcp.amount));
CScript scriptP = CScript() << OP_RETURN << ephem_pubkey;
vecSend.push_back(make_pair(scriptP, 0));
continue;
}; // else drop through to normal
}
CScript scriptPubKey;
scriptPubKey.SetDestination(CBitcoinAddress(sAddr).Get());
vecSend.push_back(std::pair<CScript, int64_t>(scriptPubKey, rcp.amount));
total += rcp.amount;
}
}
if(setAddress.size() != nAddresses)
{
return DuplicateAddress;
}
qint64 nBalance = getBalance(coinControl);
if(total > nBalance)
{
return AmountExceedsBalance;
}
if((total + nTransactionFee) > nBalance)
{
transaction.setTransactionFee(nTransactionFee);
return SendCoinsReturn(AmountWithFeeExceedsBalance);
}
{
LOCK2(cs_main, wallet->cs_wallet);
transaction.newPossibleKeyChange(wallet);
int64_t nFeeRequired = 0;
std::string strFailReason;
CWalletTx *newTx = transaction.getTransaction();
CReserveKey *keyChange = transaction.getPossibleKeyChange();
// int nChangePos = -1;
bool fCreated = wallet->CreateTransaction(vecSend, *newTx, *keyChange, nFeeRequired, /*nChangePos,*/ strFailReason, coinControl);
/*
std::map<int, std::string>::iterator it;
for (it = mapStealthNarr.begin(); it != mapStealthNarr.end(); ++it)
{
int pos = it->first;
if (nChangePos > -1 && it->first >= nChangePos)
pos++;
char key[64];
if (snprintf(key, sizeof(key), "n_%u", pos) < 1)
{
printf("CreateStealthTransaction(): Error creating narration key.");
continue;
};
wtx.mapValue[key] = it->second;
};
*/
transaction.setTransactionFee(nFeeRequired);
if(!fCreated)
{
if((total + nFeeRequired) > nBalance)
{
return SendCoinsReturn(AmountWithFeeExceedsBalance);
}
emit message(tr("Send Coins"), QString::fromStdString(strFailReason),
CClientUIInterface::MSG_ERROR);
return TransactionCreationFailed;
}
}
return SendCoinsReturn(OK);
}
WalletModel::SendCoinsReturn WalletModel::prepareTransaction(WalletModelTransaction &transaction, const CCoinControl *coinControl)
{
qint64 total = 0;
QList<SendCoinsRecipient> recipients = transaction.getRecipients();
std::vector<std::pair<CScript, int64_t> > vecSend;
if(recipients.empty())
{
return OK;
}
QSet<QString> setAddress; // Used to detect duplicates
int nAddresses = 0;
// Pre-check input data for validity
foreach(const SendCoinsRecipient &rcp, recipients)
{
if (rcp.paymentRequest.IsInitialized())
{ // PaymentRequest...
int64_t subtotal = 0;
const payments::PaymentDetails& details = rcp.paymentRequest.getDetails();
for (int i = 0; i < details.outputs_size(); i++)
{
const payments::Output& out = details.outputs(i);
if (out.amount() <= 0) continue;
subtotal += out.amount();
const unsigned char* scriptStr = (const unsigned char*)out.script().data();
CScript scriptPubKey(scriptStr, scriptStr+out.script().size());
vecSend.push_back(std::pair<CScript, int64_t>(scriptPubKey, out.amount()));
}
if (subtotal <= 0)
{
return InvalidAmount;
}
total += subtotal;
}
else
{ // User-entered feathercoin address / amount:
if(!validateAddress(rcp.address))
{
return InvalidAddress;
}
if(rcp.amount <= 0)
{
return InvalidAmount;
}
setAddress.insert(rcp.address);
++nAddresses;
std::string sAddr = rcp.address.toStdString();
if (rcp.typeInd == AddressTableModel::AT_Stealth)
{
CStealthAddress sxAddr;
if (sxAddr.SetEncoded(sAddr))
{
ec_secret ephem_secret;
ec_secret secretShared;
ec_point pkSendTo;
ec_point ephem_pubkey;
if (GenerateRandomSecret(ephem_secret) != 0)
{
printf("GenerateRandomSecret failed.\n");
return Aborted;
};
LogPrintf("StealthSecret send start....\n");
if (true)
{
LogPrintf("ephem_secret.e=%s \n",HexStr(&ephem_secret.e[0],&ephem_secret.e[32]).c_str()); //secret
LogPrintf("sxAddr.scan_secret= %s\n", HexStr(sxAddr.scan_secret).c_str()); //
LogPrintf("sxAddr.scan_pubkey= %s\n", HexStr(sxAddr.scan_pubkey).c_str()); //pubkey[0]
LogPrintf("sxAddr.spend_secret= %s\n", HexStr(sxAddr.spend_secret).c_str()); //
LogPrintf("sxAddr.spend_pubkey= %s\n",HexStr(sxAddr.spend_pubkey).c_str()); //pkSpend[0]
LogPrintf("secretShared.e=%s \n",HexStr(&secretShared.e[0],&secretShared.e[32]).c_str()); //sharedSOut
LogPrintf("pkSendTo= %"PRIszu": %s\n", pkSendTo.size(), HexStr(pkSendTo).c_str());//pkOut
LogPrintf("send: secret = ephem_secret, pubkey = scan_pubkey....\n");
};
if (StealthSecret(ephem_secret, sxAddr.scan_pubkey, sxAddr.spend_pubkey, secretShared, pkSendTo) != 0)
{
printf("Could not generate receiving public key.\n");
return Aborted;
};
if (true)
{
LogPrintf("ephem_secret.e=%s \n",HexStr(&ephem_secret.e[0],&ephem_secret.e[32]).c_str()); //secret
LogPrintf("sxAddr.scan_secret= %s\n", HexStr(sxAddr.scan_secret).c_str()); //
LogPrintf("sxAddr.scan_pubkey= %s\n", HexStr(sxAddr.scan_pubkey).c_str()); //pubkey[0]
LogPrintf("sxAddr.spend_secret= %s\n", HexStr(sxAddr.spend_secret).c_str()); //
LogPrintf("sxAddr.spend_pubkey= %s\n",HexStr(sxAddr.spend_pubkey).c_str()); //pkSpend[0]
LogPrintf("secretShared.e=%s \n",HexStr(&secretShared.e[0],&secretShared.e[32]).c_str()); //sharedSOut
LogPrintf("pkSendTo= %"PRIszu": %s\n", pkSendTo.size(), HexStr(pkSendTo).c_str());//pkOut
};
CPubKey cpkTo(pkSendTo);
if (!cpkTo.IsValid())
{
printf("Invalid public key generated.\n");
return Aborted;
};
LogPrintf("CPubKey(pkSendTo)=%s \n",cpkTo.GetHash().ToString().c_str());
CKeyID ckidTo = cpkTo.GetID();
CBitcoinAddress addrTo(ckidTo);
if (SecretToPublicKey(ephem_secret, ephem_pubkey) != 0)
{
printf("Could not generate ephem public key.\n");
return Aborted;
};
if (true)
{
LogPrintf("Stealth send to generated pubkey,pkSendTo= %"PRIszu": %s\n", pkSendTo.size(), HexStr(pkSendTo).c_str());
LogPrintf("hash, Address= %s\n", addrTo.ToString().c_str());
LogPrintf("enerate ephem public key,ephem_pubkey= %"PRIszu": %s\n", ephem_pubkey.size(), HexStr(ephem_pubkey).c_str());
};
CScript scriptPubKey;
scriptPubKey.SetDestination(addrTo.Get());
LogPrintf("scriptPubKey= %s \n", scriptPubKey.ToString());
vecSend.push_back(make_pair(scriptPubKey, rcp.amount));
CScript scriptP = CScript() << OP_RETURN << ephem_pubkey;
vecSend.push_back(make_pair(scriptP, 0));
continue;
}; // else drop through to normal
}
CScript scriptPubKey;
scriptPubKey.SetDestination(CBitcoinAddress(sAddr).Get());
vecSend.push_back(std::pair<CScript, int64_t>(scriptPubKey, rcp.amount));
//insert message into blockchain
if ((rcp.message.length()>=1)&&(rcp.label=="blockchain"))
{
std::string strMess = rcp.message.toStdString();
const char* pszMess =strMess.c_str();
CScript scriptP = CScript() << OP_RETURN << vector<unsigned char>((const unsigned char*)pszMess, (const unsigned char*)pszMess + strlen(pszMess));
vecSend.push_back(std::pair<CScript, int64_t>(scriptP, 0));
}
//commit openname
if ((rcp.message.length()>=1)&&(rcp.label=="openname"))
{
std::string strMess = rcp.message.toStdString();//已经是16进制码流
CScript scriptP = CScript() << OP_RETURN << ParseHex(strMess);
LogPrintf("openname scriptP=%s\n",scriptP.ToString().c_str());//scriptP=OP_RETURN 580861e00414720684e88cb7943fc6751527a94b2e0cdd2a9148d8b13939723d2aca16c75c6d68
vecSend.push_back(std::pair<CScript, int64_t>(scriptP, 0));
}
//normal, do nothing
total += rcp.amount;
}
}
if(setAddress.size() != nAddresses)
{
return DuplicateAddress;
}
qint64 nBalance = getBalance(coinControl);
if(total > nBalance)
{
return AmountExceedsBalance;
}
if((total + nTransactionFee) > nBalance)
{
transaction.setTransactionFee(nTransactionFee);
return SendCoinsReturn(AmountWithFeeExceedsBalance);
}
{
LOCK2(cs_main, wallet->cs_wallet);
transaction.newPossibleKeyChange(wallet);
int64_t nFeeRequired = 0;
int nChangePos = -1;
std::string strFailReason;
CWalletTx *newTx = transaction.getTransaction();
CReserveKey *keyChange = transaction.getPossibleKeyChange();
bool fCreated = wallet->CreateTransaction(vecSend, *newTx, *keyChange, nFeeRequired, nChangePos, strFailReason, coinControl);
transaction.setTransactionFee(nFeeRequired);
if(!fCreated)
{
if((total + nFeeRequired) > nBalance)
{
return SendCoinsReturn(AmountWithFeeExceedsBalance);
}
emit message(tr("Send Coins"), QString::fromStdString(strFailReason),
CClientUIInterface::MSG_ERROR);
return TransactionCreationFailed;
}
}
return SendCoinsReturn(OK);
}
