// 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;
}
// 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;
}