// The trade stores a copy of the Offer in string form.
// This function verifies that offer against the trade,
// and also verifies the signature on the offer.
//
// The Nym's ID is compared to offer's SenderNymID, and then the Signature
// is checked
// on the offer. It also compares the server ID, asset and currency IDs,
// transaction #, etc
// between this trade and the offer, in order to fully verify the offer's
// authenticity.
//
bool OTTrade::VerifyOffer(OTOffer& offer) const
{
// At this point, I have a working, loaded, model of the Offer.
// Let's verify the thing.
if (GetTransactionNum() != offer.GetTransactionNum()) {
otErr << "While verifying offer, failed matching transaction number.\n";
return false;
}
else if (GetNotaryID() != offer.GetNotaryID()) {
otErr << "While verifying offer, failed matching Notary ID.\n";
return false;
}
else if (GetInstrumentDefinitionID() !=
offer.GetInstrumentDefinitionID()) {
otErr << "While verifying offer, failed matching instrument definition "
"ID.\n";
return false;
}
else if (GetCurrencyID() != offer.GetCurrencyID()) {
otErr << "While verifying offer, failed matching currency type ID.\n";
return false;
}
// the Offer validates properly for this Trade.
//
return true;
}
// The trade stores a copy of the Offer in string form.
// This function verifies that offer against the trade,
// and also verifies the signature on the offer.
//
// The Nym's ID is compared to theOffer's SenderUserID, and then the Signature is checked
// on the offer. It also compares the server ID, asset and currency IDs, transaction #, etc
// between this trade and the offer, in order to fully verify the offer's authenticity.
//
bool OTTrade::VerifyOffer(OTOffer & theOffer)
{
// At this point, I have a working, loaded, model of the Offer.
// Let's verify the thing.
if (GetTransactionNum() != theOffer.GetTransactionNum())
{
OTLog::Error("While verifying offer, failed matching transaction number.\n");
return false;
}
else if (GetServerID() != theOffer.GetServerID())
{
OTLog::Error("While verifying offer, failed matching Server ID.\n");
return false;
}
else if (GetAssetID() != theOffer.GetAssetID())
{
OTLog::Error("While verifying offer, failed matching asset type ID.\n");
return false;
}
else if (GetCurrencyID() != theOffer.GetCurrencyID())
{
OTLog::Error("While verifying offer, failed matching currency type ID.\n");
return false;
}
// the Offer validates properly for this Trade.
return true;
}
// This is called by the client side. First you call MakeOffer() to set up the Offer,
// then you call IssueTrade() and pass the Offer into it here.
bool OTTrade::IssueTrade(OTOffer & theOffer, char cStopSign/*=0*/, long lStopPrice/*=0*/)
{
// Make sure the Stop Sign is within parameters (0, '<', or '>')
if ((cStopSign == 0 ) ||
(cStopSign == '<') ||
(cStopSign == '>'))
m_cStopSign = cStopSign;
else
{
OTLog::vError("Bad data in Stop Sign while issuing trade: %c\n", cStopSign);
return false;
}
// Make sure, if this IS a Stop order, that the price is within parameters and set.
if ((m_cStopSign == '<') ||
(m_cStopSign == '>'))
{
if (0 >= lStopPrice)
{
OTLog::Error("Expected Stop Price for trade.\n");
return false;
}
m_lStopPrice = lStopPrice;
}
m_nTradesAlreadyDone = 0;
SetCreationDate(time(NULL)); // This time is set to TODAY NOW (OTCronItem)
// ------------------------------------------------------------------------
// Validate the Server ID, Asset Type ID, Currency Type ID, and Date Range.
if ((GetServerID() != theOffer.GetServerID()) ||
(GetCurrencyID() != theOffer.GetCurrencyID()) ||
(GetAssetID() != theOffer.GetAssetID()) ||
(theOffer.GetValidFrom() < 0) ||
(theOffer.GetValidTo() < theOffer.GetValidFrom()) )
{
return false;
}
// m_CURRENCY_TYPE_ID // This is already set in the constructors of this and the offer. (And compared.)
// m_CURRENCY_ACCT_ID // This is already set in the constructor of this.
// Set the (now validated) date range as per the Offer.
SetValidFrom(theOffer.GetValidFrom());
SetValidTo(theOffer.GetValidTo());
// Get the transaction number from the Offer.
SetTransactionNum(theOffer.GetTransactionNum());
// Save a copy of the offer, in XML form, here on this Trade.
OTString strOffer(theOffer);
m_strOffer.Set(strOffer);
return true;
}
// This is called by the client side. First you call MakeOffer() to set up the
// Offer,
// then you call IssueTrade() and pass the Offer into it here.
bool OTTrade::IssueTrade(OTOffer& offer, char stopSign, int64_t stopPrice)
{
// Make sure the Stop Sign is within parameters (0, '<', or '>')
if ((stopSign == 0) || (stopSign == '<') || (stopSign == '>'))
stopSign_ = stopSign;
else {
otErr << "Bad data in Stop Sign while issuing trade: " << stopSign
<< "\n";
return false;
}
// Make sure, if this IS a Stop order, that the price is within parameters
// and set.
if ((stopSign_ == '<') || (stopSign_ == '>')) {
if (0 >= stopPrice) {
otErr << "Expected Stop Price for trade.\n";
return false;
}
stopPrice_ = stopPrice;
}
tradesAlreadyDone_ = 0;
SetCreationDate(
OTTimeGetCurrentTime()); // This time is set to TODAY NOW (OTCronItem)
// Validate the Notary ID, Instrument Definition ID, Currency Type ID, and
// Date Range.
if ((GetNotaryID() != offer.GetNotaryID()) ||
(GetCurrencyID() != offer.GetCurrencyID()) ||
(GetInstrumentDefinitionID() != offer.GetInstrumentDefinitionID()) ||
(offer.GetValidFrom() < OT_TIME_ZERO) ||
(offer.GetValidTo() < offer.GetValidFrom())) {
return false;
}
// currencyTypeID_ // This is already set in the constructors of this
// and the offer. (And compared.)
// currencyAcctID_ // This is already set in the constructor of this.
// Set the (now validated) date range as per the Offer.
SetValidFrom(offer.GetValidFrom());
SetValidTo(offer.GetValidTo());
// Get the transaction number from the Offer.
SetTransactionNum(offer.GetTransactionNum());
// Save a copy of the offer, in XML form, here on this Trade.
String strOffer(offer);
marketOffer_.Set(strOffer);
return true;
}