// ----------------------------------------------------------------------
bool MTCompose::sendMessage(QString body, QString fromNymId, QString toNymId, QString atServerID, QString subject)
{
if (fromNymId.isEmpty())
{
qDebug() << "Cannot send a message from an empty nym id, aborting.";
return false;
}
// ----------------------------------------------------
if (toNymId.isEmpty())
{
qDebug() << "Cannot send a message to an empty nym id, aborting.";
return false;
}
// ----------------------------------------------------
if (subject.isEmpty())
subject = tr("From the desktop client. (Empty subject.)");
// ----------------------------------------------------
if (body.isEmpty())
body = tr("From the desktop client. (Empty message body.)");
// ----------------------------------------------------
std::string str_serverId (atServerID.toStdString());
std::string str_fromNymId (fromNymId.toStdString());
std::string str_toNymId (toNymId.toStdString());
// ----------------------------------------------------
qDebug() << QString("Initiating sendMessage:\n Server:'%1'\n FromNym:'%2'\n ToNym:'%3'\n Subject:'%4'\n Body:'%5'").
arg(atServerID).arg(fromNymId).arg(toNymId).arg(subject).arg(body);
// ----------------------------------------------------
QString contents = tr("%1: %2\n\n%3").arg(tr("Subject")).arg(subject).arg(body);
// ----------------------------------------------------
OT_ME madeEasy;
std::string strResponse;
{
MTSpinner theSpinner;
strResponse = madeEasy.send_user_msg(str_serverId, str_fromNymId, str_toNymId, contents.toStdString());
}
int32_t nReturnVal = madeEasy.VerifyMessageSuccess(strResponse);
if (1 != nReturnVal)
{
qDebug() << "send_message: Failed.";
Moneychanger::HasUsageCredits(this, str_serverId, str_fromNymId);
return false;
}
qDebug() << "Success in send_message!";
m_bSent = true;
// ---------------------------------------------------------
return m_bSent;
}
bool MTSendDlg::sendChequeLowLevel(int64_t amount, QString toNymId, QString fromAcctId, QString note, bool isInvoice)
{
QString nsChequeType = isInvoice ? QString("invoice") : QString("cheque");
// ------------------------------------------------------------
if (toNymId.size() == 0)
{
qDebug() << QString("Cannot send %1 to an empty nym id, aborting.").arg(nsChequeType);
return false;
}
if (fromAcctId.size() == 0)
{
qDebug() << QString("Cannot send %1 from a non-existent account id, aborting.").arg(nsChequeType);
return false;
}
if (amount <= 0)
{
qDebug() << QString("Why send 0 (or less) units? Aborting send %1.").arg(nsChequeType);
return false;
}
// Note: in the case of cheques we don't have to see if the amount exceeds the
// account balance here, since the money doesn't come out of the account until
// the cheque is deposited by the recipient. Technically you could write a bad
// cheque. Also, your balance will not change right away either -- not until the
// recipient deposits the cheque.
// Also of course, in the case of invoices, your account balance is irrelevant
// since an invoice can only increase your balance, not decrease it.
if (note.isEmpty())
note = tr("From the Qt systray app.");
// ------------------------------------------------------------
std::string str_toNymId (toNymId .toStdString());
std::string str_fromAcctId(fromAcctId.toStdString());
// ------------------------------------------------------------
std::string str_fromNymId(OTAPI_Wrap::GetAccountWallet_NymID (str_fromAcctId));
std::string str_serverId (OTAPI_Wrap::GetAccountWallet_ServerID(str_fromAcctId));
// ------------------------------------------------------------
int64_t SignedAmount = amount;
int64_t trueAmount = isInvoice ? (SignedAmount*(-1)) : SignedAmount;
// ------------------------------------------------------------
qDebug() << QString("Sending %1:\n Server:'%2'\n Nym:'%3'\n Acct:'%4'\n ToNym:'%5'\n Amount:'%6'\n Note:'%7'").
arg(nsChequeType).arg(QString::fromStdString(str_serverId)).arg(QString::fromStdString(str_fromNymId)).
arg(fromAcctId).arg(toNymId).arg(SignedAmount).arg(note);
// ------------------------------------------------------------
time_t tFrom = OTAPI_Wrap::GetTime();
time_t tTo = tFrom + DEFAULT_CHEQUE_EXPIRATION;
// ------------------------------------------------------------
std::string strCheque = OTAPI_Wrap::WriteCheque(str_serverId, trueAmount, tFrom, tTo,
str_fromAcctId, str_fromNymId, note.toStdString(),
str_toNymId);
if (strCheque.empty())
{
qDebug() << QString("Failed creating %1.").arg(nsChequeType);
return false;
}
// ------------------------------------------------------------
OT_ME madeEasy;
std::string strResponse;
{
MTOverrideCursor theSpinner;
strResponse = madeEasy.send_user_payment(str_serverId, str_fromNymId, str_toNymId, strCheque);
}
int32_t nReturnVal = madeEasy.VerifyMessageSuccess(strResponse);
if (1 != nReturnVal)
qDebug() << QString("send %1: failed.").arg(nsChequeType);
else
{
qDebug() << QString("Success in send %1!").arg(nsChequeType);
return true;
}
// NOTE: We do not retrieve the account files here, in the case of success.
// That's because none of them have changed yet from this operation -- not
// until the recipient deposits the cheque.
return false;
}
bool MTSendDlg::sendCash(int64_t amount, QString toNymId, QString fromAcctId, QString note)
{
if (toNymId.size() == 0) {
qDebug() << QString("Cannot send cash to an empty nym id, aborting.");
return false;
}
if (fromAcctId.size() == 0) {
qDebug() << QString("Cannot send cash from an unknown account id, aborting.");
return false;
}
if (amount <= 0) {
qDebug() << QString("Why send 0 (or less) units? Aborting send cash.");
return false;
}
// ------------------------------------------------------------
if (note.isEmpty())
note = tr("From the Qt systray app.");
// ------------------------------------------------------------
std::string str_toNymId (toNymId .toStdString());
std::string str_fromAcctId(fromAcctId.toStdString());
// ------------------------------------------------------------
std::string str_fromNymId(OTAPI_Wrap::GetAccountWallet_NymID (str_fromAcctId));
std::string str_serverId (OTAPI_Wrap::GetAccountWallet_ServerID (str_fromAcctId));
std::string str_assetId (OTAPI_Wrap::GetAccountWallet_AssetTypeID(str_fromAcctId));
// ------------------------------------------------------------
// TODO: for security reasons, we might change the below 'if' so that
// it ONLY checks the cash balance, and not the account balance here.
// This would force the user to withdraw the cash by hand first, before
// sending it (which would make it possible to preserve untraceability.)
//
// Otherwise, if the send_instrument happens directly after the withdrawal,
// the server will be able to tell who the recipient is purely by timing
// analysis, without having to break the Chaumian blinding.
//
int64_t theCashBalance = MTHome::rawCashBalance(QString::fromStdString(str_serverId),
QString::fromStdString(str_assetId),
QString::fromStdString(str_fromNymId));
int64_t theAcctBalance = MTHome::rawAcctBalance(this->m_myAcctId);
if ((amount > theCashBalance) && (amount > (theAcctBalance + theCashBalance)))
{
qDebug() << QString("Aborting send cash: Amount is larger than cash balance, and is also "
"larger than combined cash + account balance.");
return false;
// Note: you may be asking why doesn't the amount only have to be equal
// to the SUM of the two balances? Why must it be available in FULL from
// one or the other? The answer is, because if there is not enough available
// in the purse, or if the tokens there have enough units, but not the right
// denominations to create the amount exactly, then we have to withdraw the
// amount from the account instead. In that case we will want to withdraw the
// full amount, so that we can guarantee that we have tokens of the right
// denominations for that amount.
// NOTE: apparently the high-level API only withdraws the difference, which
// means it could still end up with the right "amount" of cash, but the wrong
// denominations necessary to "make change" for the exact amount.
}
// ------------------------------------------------------------
int64_t SignedAmount = amount;
qDebug() << QString("Sending cash:\n Server:'%1'\n Nym:'%2'\n Acct:'%3'\n ToNym:'%4'\n Amount:'%5'\n Note:'%6'").
arg(str_serverId.c_str()).arg(str_fromNymId.c_str()).arg(str_fromAcctId.c_str()).arg(toNymId).arg(SignedAmount).arg(note);
// ------------------------------------------------------------
OT_ME madeEasy;
bool bReturnValue = false;
{
MTOverrideCursor theSpinner;
bReturnValue = madeEasy.withdraw_and_send_cash(str_fromAcctId, str_toNymId, note.toStdString(), SignedAmount);
}
// ------------------------------------------------------------
return bReturnValue;
// NOTE: We don't retrieve the account files in the case of success, because the
// above function already does all that internally.
}
bool MTSendDlg::sendCashierCheque(int64_t amount, QString toNymId, QString fromAcctId, QString note)
{
QString nsChequeType = QString("voucher");
// ------------------------------------------------------------
if (toNymId.size() == 0) {
qDebug() << QString("Cannot send %1 to an empty nym id, aborting.").arg(nsChequeType);
return false;
}
if (fromAcctId.size() == 0) {
qDebug() << QString("Cannot send %1 from an unknown account id, aborting.").arg(nsChequeType);
return false;
}
if (amount <= 0) {
qDebug() << QString("Why send 0 (or less) units? Aborting send %1.").arg(nsChequeType);
return false;
}
if (amount > MTHome::rawAcctBalance(m_myAcctId)) {
qDebug() << QString("Aborting send %1: Amount is larger than account balance.").arg(nsChequeType);
return false;
}
if (note.isEmpty())
note = tr("From the desktop systray app.");
// ------------------------------------------------------------
std::string str_toNymId (toNymId .toStdString());
std::string str_fromAcctId(fromAcctId.toStdString());
// ------------------------------------------------------------
std::string str_fromNymId(OTAPI_Wrap::GetAccountWallet_NymID (str_fromAcctId));
std::string str_serverId (OTAPI_Wrap::GetAccountWallet_ServerID(str_fromAcctId));
// ------------------------------------------------------------
int64_t SignedAmount = amount;
qDebug() << QString("Sending %1:\n Server:'%2'\n Nym:'%3'\n Acct:'%4'\n ToNym:'%5'\n Amount:'%6'\n Note:'%7'").
arg(nsChequeType).arg(str_serverId.c_str()).arg(str_fromNymId.c_str()).arg(str_fromAcctId.c_str()).
arg(toNymId).arg(SignedAmount).arg(note);
// ------------------------------------------------------------
OT_ME madeEasy;
std::string strAttempt = "withdraw_voucher";
std::string strResponse;
{
MTOverrideCursor theSpinner;
strResponse = madeEasy.withdraw_voucher(str_serverId, str_fromNymId, str_fromAcctId,
str_toNymId, note.toStdString(), SignedAmount);
}
int32_t nInterpretReply = madeEasy.InterpretTransactionMsgReply(str_serverId, str_fromNymId, str_fromAcctId,
strAttempt, strResponse);
if (1 != nInterpretReply) // Failure
{
qDebug() << QString("Failure withdrawing voucher.");
return false;
}
// ---------------------------------------------------------
//else Success!
std::string strLedger = OTAPI_Wrap::Message_GetLedger(strResponse);
if (strLedger.empty())
{
qDebug() << QString("Failed withdrawing voucher: strLedger is empty.");
return false;
}
// ---------------------------------------------------------
std::string strTransReply = OTAPI_Wrap::Ledger_GetTransactionByIndex(str_serverId, str_fromNymId, str_fromAcctId, strLedger, 0); // index 0.
if (strTransReply.empty())
{
qDebug() << QString("Error in withdraw_voucher: strTransReply is unexpectedly null, "
"returned by Ledger_GetTransactionByIndex, argument passed, index 0 and ledger:\n\n%s1\n").
arg(strLedger.c_str());
return false;
}
// ---------------------------------------------------------
std::string strVoucher = OTAPI_Wrap::Transaction_GetVoucher(str_serverId, str_fromNymId, str_fromAcctId, strTransReply);
if (strVoucher.empty())
{
qDebug() << QString("Error in withdraw_voucher: Voucher is unexpectedly empty, returned by Transaction_GetVoucher "
"with strTransReply set to:\n\n%1\n").arg(strTransReply.c_str());
return false;
}
else
{
// Save a copy in my own outpayments box. I don't want to lose this voucher since it uses
// one of my own transaction numbers. (If I later send the voucher to someone, OT is smart
// enough to remove the first copy from outpayments, when adding the second copy.)
//
// Notice how I can send an instrument to myself. This doesn't actually send anything --
// it just puts a copy into my outpayments box for safe-keeping.
//
OT_ME sendToSelf;
sendToSelf.send_user_payment(str_serverId, str_fromNymId, str_fromNymId, strVoucher);
}
// ---------------------------------------------------------
// Download all the intermediary files (account balance, inbox, outbox, etc)
// since they have probably changed from this operation.
//
OT_ME retrieveAcct;
bool bRetrieved = false;
{
MTOverrideCursor theSpinner;
bRetrieved = retrieveAcct.retrieve_account(str_serverId, str_fromNymId, str_fromAcctId, true); //bForceDownload defaults to false.
}
qDebug() << QString("%1 retrieving intermediary files for account %2. (After withdraw voucher.)").
arg(bRetrieved ? QString("Success") : QString("Failed")).arg(str_fromAcctId.c_str());
// ---------------------------------------------------------
// We try to send it, even if the retrieve_account failed.
// That way we insure that a copy of the voucher is stored
// in the outpayment box. (Even if it fails to send.)
// That way the user can later cancel or re-send it.
//
//OTLog::vOutput(0, "Sending payment to NymID: %s\n", str_toNymId.c_str());
OT_ME sendPayment;
std::string strSendResponse;
{
MTOverrideCursor theSpinner;
strSendResponse = sendPayment.send_user_payment(str_serverId, str_fromNymId, str_toNymId, strVoucher);
}
int32_t nReturnVal = sendPayment.VerifyMessageSuccess(strSendResponse);
if (1 != nReturnVal)
qDebug() << QString("send %1: Failed.").arg(nsChequeType);
else
{
qDebug() << QString("Success in send %1!").arg(nsChequeType);
return true;
}
return false;
}