/// See if theNym has rights to remove this item from Cron.
///
bool OTAgreement::CanRemoveItemFromCron(OTPseudonym & theNym)
{
// You don't just go willy-nilly and remove a cron item from a market unless you check first
// and make sure the Nym who requested it actually has said number (or a related closing number)
// signed out to him on his last receipt...
//
if (true == OTCronItem::CanRemoveItemFromCron(theNym))
return true;
const OTString strServerID(GetServerID());
// Usually the Nym is the originator. (Meaning GetTransactionNum() on this agreement
// is still verifiable as an issued number on theNum, and belongs to him.) In that case,
// the above call will discover this, and return true.
// In other cases, theNym has the right to Remove the item even though theNym didn't originate it.
// (Like if he is the recipient -- not the sender -- in a payment plan.) We check such things
// HERE in this function (see below.)
//
if (false == theNym.CompareID(GetRecipientUserID()))
{
OTLog::Output(0, "OTAgreement::CanRemoveItemFromCron Weird: Nym tried to remove agreement (payment plan), even "
"though he apparently wasn't the sender OR recipient.\n");
return false;
}
else if (this->GetRecipientCountClosingNumbers() < 2)
{
OTLog::vOutput(0, "OTAgreement::CanRemoveItemFromCron Weird: Recipient tried to remove agreement "
"(or payment plan); expected 2 closing numbers to be available--that weren't. (Found %d).\n",
this->GetRecipientCountClosingNumbers());
return false;
}
if (false == theNym.VerifyIssuedNum(strServerID, this->GetRecipientClosingNum()))
{
OTLog::Output(0, "OTAgreement::CanRemoveItemFromCron: Recipient Closing number didn't verify (for removal from cron).\n");
return false;
}
// By this point, we KNOW theNym is the sender, and we KNOW there are the proper number of transaction
// numbers available to close. We also know that this cron item really was on the cron object, since
// that is where it was looked up from, when this function got called! So I'm pretty sure, at this point,
// to authorize removal, as long as the transaction num is still issued to theNym (this check here.)
//
return theNym.VerifyIssuedNum(strServerID, this->GetRecipientOpeningNum());
// Normally this will be all we need to check. The originator will have the transaction
// number signed-out to him still, if he is trying to close it. BUT--in some cases, someone
// who is NOT the originator can cancel. Like in a payment plan, the sender is also the depositor,
// who would normally be the person cancelling the plan. But technically, the RECIPIENT should
// also have the ability to cancel that payment plan. BUT: the transaction number isn't signed
// out to the RECIPIENT... In THAT case, the below VerifyIssuedNum() won't work! In those cases,
// expect that the special code will be in the subclasses override of this function. (OTPaymentPlan::CanRemoveItem() etc)
// P.S. If you override this function, MAKE SURE to call the parent (OTCronItem::CanRemoveItem) first,
// for the VerifyIssuedNum call above. Only if that fails, do you need to dig deeper...
}
// Used for adding transaction numbers back to a Nym, after deciding not to use this agreement
// or failing in trying to use it. Client side.
//
void OTAgreement::HarvestClosingNumbers(OTPseudonym & theNym)
{
// since we overrode the parent, we give it a chance to harvest also.
//
OTCronItem::HarvestClosingNumbers(theNym);
// The Nym is the original recipient. (If Compares true).
// FYI, if Nym is the original sender, then the above call will handle him.
//
// GetTransactionNum() is burned, but we can harvest the closing
// numbers from the "Closing" list, which is only for the sender's numbers.
// Subclasses will have to override this function for recipients, etc.
//
if (theNym.CompareID(GetRecipientUserID()))
{
const OTString strServerID(GetServerID());
for (int i = 0; i < GetRecipientCountClosingNumbers(); i++)
{
if (theNym.VerifyIssuedNum(strServerID, GetRecipientClosingTransactionNoAt(i))) // we only "add it back" if it was really there in the first place.
theNym.AddTransactionNum(theNym, strServerID, GetRecipientClosingTransactionNoAt(i),
(i == (GetRecipientCountClosingNumbers()-1) ? true : false)); // bSave=true only on the last iteration.
}
}
}
// You usually wouldn't want to use this, since if the transaction failed, the opening number
// is already burned and gone. But there might be cases where it's not, and you want to retrieve it.
// So I added this function.
//
void OTAgreement::HarvestOpeningNumber(OTPseudonym & theNym)
{
// since we overrode the parent, we give it a chance to harvest also.
//
OTCronItem::HarvestOpeningNumber(theNym);
// The Nym is the original sender. (If Compares true).
// IN CASES where GetTransactionNum() isn't already burned, we can harvest it here.
// Subclasses will have to override this function for recipients, etc.
//
if (theNym.CompareID(GetRecipientUserID()))
{
const OTString strServerID(GetServerID());
if (theNym.VerifyIssuedNum(strServerID, GetRecipientOpeningNum())) // we only "add it back" if it was really there in the first place.
theNym.AddTransactionNum(theNym, strServerID, GetRecipientOpeningNum(), true); // bSave=true
}
}
// This is called by OTCronItem::HookRemovalFromCron
// (After calling this method, HookRemovalFromCron then calls onRemovalFromCron.)
//
void OTAgreement::onFinalReceipt(OTCronItem & theOrigCronItem,
const long & lNewTransactionNumber,
OTPseudonym & theOriginator,
OTPseudonym * pRemover)
{
OTCron * pCron = GetCron();
OT_ASSERT(NULL != pCron);
OTPseudonym * pServerNym = pCron->GetServerNym();
OT_ASSERT(NULL != pServerNym);
// -------------------------------------------------
// The finalReceipt Item's ATTACHMENT contains the UPDATED Cron Item.
// (With the SERVER's signature on it!)
//
OTString strUpdatedCronItem(*this);
OTString * pstrAttachment=&strUpdatedCronItem;
const OTString strOrigCronItem(theOrigCronItem);
// -----------------------------------------------------------------
OTPseudonym theRecipientNym; // Don't use this... use the pointer just below.
// The Nym who is actively requesting to remove a cron item will be passed in as pRemover.
// However, sometimes there is no Nym... perhaps it just expired and pRemover is NULL.
// The originating Nym (if different than remover) is loaded up. Otherwise the originator
// pointer just pointers to *pRemover.
//
OTPseudonym * pRecipient = NULL;
if (pServerNym->CompareID(this->GetRecipientUserID()))
{
pRecipient = pServerNym; // Just in case the recipient Nym is also the server Nym.
}
// *******************************************************
//
// If pRemover is NOT NULL, and he has the Recipient's ID...
// then set the pointer accordingly.
//
else if ((NULL != pRemover) && (true == pRemover->CompareID(this->GetRecipientUserID())))
{
pRecipient = pRemover; // <======== now both pointers are set (to same Nym). DONE!
}
// --------------------------------------------------------------------------------------------------
if (NULL == pRecipient)
{
// GetSenderUserID() should be the same on THIS (updated version of the same cron item)
// but for whatever reason, I'm checking the userID on the original version. Sue me.
//
const OTIdentifier NYM_ID(this->GetRecipientUserID());
theRecipientNym.SetIdentifier(NYM_ID);
if (false == theRecipientNym.LoadPublicKey())
{
OTString strNymID(NYM_ID);
OTLog::vError("OTAgreement::onFinalReceipt: Failure loading Recipient's public key:\n%s\n", strNymID.Get());
}
else if (theRecipientNym.VerifyPseudonym() &&
theRecipientNym.LoadSignedNymfile(*pServerNym)) // ServerNym here is merely the signer on this file.
{
pRecipient = &theRecipientNym; // <=====
}
else
{
OTString strNymID(NYM_ID);
OTLog::vError("OTAgreement::onFinalReceipt: Failure verifying Recipient's public key or loading signed nymfile: %s\n",
strNymID.Get());
}
}
// -------------------------------
// First, we are closing the transaction number ITSELF, of this cron item,
// as an active issued number on the originating nym. (Changing it to CLOSED.)
//
// Second, we're verifying the CLOSING number, and using it as the closing number
// on the FINAL RECEIPT (with that receipt being "InReferenceTo" this->GetTransactionNum())
//
const long lRecipientOpeningNumber = this->GetRecipientOpeningNum();
const long lRecipientClosingNumber = this->GetRecipientClosingNum();
// -----------------------------------------------------------------------------------
const long lSenderOpeningNumber = theOrigCronItem.GetTransactionNum();
const long lSenderClosingNumber = (theOrigCronItem.GetCountClosingNumbers() > 0) ?
theOrigCronItem.GetClosingTransactionNoAt(0) : 0; // index 0 is closing number for sender, since GetTransactionNum() is his opening #.
// ----------------------------------
const OTString strServerID(GetServerID());
// -----------------------------------------------------------------
//
if ((lSenderOpeningNumber > 0) &&
theOriginator.VerifyIssuedNum(strServerID, lSenderOpeningNumber))
{
// The Nym (server side) stores a list of all opening and closing cron #s.
// So when the number is released from the Nym, we also take it off that list.
//
std::set<long> & theIDSet = theOriginator.GetSetOpenCronItems();
theIDSet.erase(lSenderOpeningNumber);
// the RemoveIssued call means the original transaction# (to find this cron item on cron) is now CLOSED.
// But the Transaction itself is still OPEN. How? Because the CLOSING number is still signed out.
// The closing number is also USED, since the NotarizePaymentPlan or NotarizeMarketOffer call, but it
// remains ISSUED, until the final receipt itself is accepted during a process inbox.
//
theOriginator.RemoveIssuedNum(*pServerNym, strServerID, lSenderOpeningNumber, false); //bSave=false
theOriginator.SaveSignedNymfile(*pServerNym);
// ------------------------------------
OTPseudonym * pActualNym = NULL; // use this. DON'T use theActualNym.
OTPseudonym theActualNym; // unused unless it's really not already loaded. (use pActualNym.)
const OTIdentifier ACTUAL_NYM_ID = GetSenderUserID();
if ( (NULL != pServerNym) && pServerNym->CompareID(ACTUAL_NYM_ID) )
pActualNym = pServerNym;
else if (theOriginator.CompareID(ACTUAL_NYM_ID))
pActualNym = &theOriginator;
else if ( (NULL != pRemover) && pRemover->CompareID(ACTUAL_NYM_ID) )
pActualNym = pRemover;
// --------------------------
else // We couldn't find the Nym among those already loaded--so we have to load
{ // it ourselves (so we can update its NymboxHash value.)
theActualNym.SetIdentifier(ACTUAL_NYM_ID);
if (false == theActualNym.LoadPublicKey()) // Note: this step may be unnecessary since we are only updating his Nymfile, not his key.
{
OTString strNymID(ACTUAL_NYM_ID);
OTLog::vError("OTAgreement::onFinalReceipt: Failure loading public key for Nym: %s. "
"(To update his NymboxHash.) \n", strNymID.Get());
}
else if (theActualNym.VerifyPseudonym() && // this line may be unnecessary.
theActualNym.LoadSignedNymfile(*pServerNym)) // ServerNym here is not theActualNym's identity, but merely the signer on this file.
{
OTLog::Output(0, "OTAgreement::onFinalReceipt: Loading actual Nym, since he wasn't already loaded. "
"(To update his NymboxHash.)\n");
pActualNym = &theActualNym; // <=====
}
else
{
OTString strNymID(ACTUAL_NYM_ID);
OTLog::vError("OTAgreement::onFinalReceipt: Failure loading or verifying Actual Nym public key: %s. "
"(To update his NymboxHash.)\n", strNymID.Get());
}
}
// -------------
if (false == this->DropFinalReceiptToNymbox(GetSenderUserID(),
lNewTransactionNumber,
strOrigCronItem,
NULL,
pstrAttachment,
pActualNym))
{
OTLog::Error("OTAgreement::onFinalReceipt: Failure dropping sender final receipt into nymbox.\n");
}
}
else
{
OTLog::Error("OTAgreement::onFinalReceipt: Failure verifying sender's opening number.\n");
}
// -----------------------------------------------------------------
if ((lSenderClosingNumber > 0) &&
theOriginator.VerifyIssuedNum(strServerID, lSenderClosingNumber)
) // ---------------------------------------------------------------
{
// In this case, I'm passing NULL for pstrNote, since there is no note.
// (Additional information would normally be stored in the note.)
if (false == this->DropFinalReceiptToInbox(GetSenderUserID(),
GetSenderAcctID(),
lNewTransactionNumber,
lSenderClosingNumber, // The closing transaction number to put on the receipt.
strOrigCronItem,
NULL,
pstrAttachment))
OTLog::Error("OTAgreement::onFinalReceipt: Failure dropping receipt into sender's inbox.\n");
// This part below doesn't happen until theOriginator ACCEPTS the final receipt (when processing his inbox.)
//
// theOriginator.RemoveIssuedNum(strServerID, lSenderClosingNumber, true); //bSave=false
}
else
{
OTLog::Error("OTAgreement::onFinalReceipt: Failed verifying lSenderClosingNumber=theOrigCronItem.GetClosingTransactionNoAt(0)>0 && "
"theOriginator.VerifyTransactionNum(lSenderClosingNumber)\n");
}
// -----------------------------------------------------------------
//
if ((NULL != pRecipient) && (lRecipientOpeningNumber > 0) &&
pRecipient->VerifyIssuedNum(strServerID, lRecipientOpeningNumber)
)
{
// The Nym (server side) stores a list of all opening and closing cron #s.
// So when the number is released from the Nym, we also take it off that list.
//
std::set<long> & theIDSet = pRecipient->GetSetOpenCronItems();
theIDSet.erase(lRecipientOpeningNumber);
// the RemoveIssued call means the original transaction# (to find this cron item on cron) is now CLOSED.
// But the Transaction itself is still OPEN. How? Because the CLOSING number is still signed out.
// The closing number is also USED, since the NotarizePaymentPlan or NotarizeMarketOffer call, but it
// remains ISSUED, until the final receipt itself is accepted during a process inbox.
//
pRecipient->RemoveIssuedNum(*pServerNym, strServerID, lRecipientOpeningNumber, false); //bSave=false
// pRecipient->SaveSignedNymfile(*pServerNym); // Moved lower.
// -----------------------------------------------------
if (false == this->DropFinalReceiptToNymbox(GetRecipientUserID(),
lNewTransactionNumber,
strOrigCronItem,
NULL,
pstrAttachment,
pRecipient)) // NymboxHash is updated here in pRecipient.
{
OTLog::Error("OTAgreement::onFinalReceipt: Failure dropping recipient final receipt into nymbox.\n");
}
// -----------------------------------------------------
// Saving both the Removed Issued Number, as well as the new NymboxHash.
// NOTE: Todo: if the NymboxHash WAS updated (as it should have been) then
// it was probably saved at that time. Below is therefore a redundant save.
// Need to fix by making certain objects savable and dirty, and then let them
// autosave before destruction, IF they are dirty.
//
pRecipient->SaveSignedNymfile(*pServerNym);
}
else
{
OTLog::Error("OTAgreement::onFinalReceipt: Failed verifying "
"lRecipientClosingNumber=this->GetRecipientClosingTransactionNoAt(1)>0 && "
"pRecipient->VerifyTransactionNum(lRecipientClosingNumber) && VerifyIssuedNum(lRecipientOpeningNumber)\n");
}
// -----------------------------------------------------------------
if ((NULL != pRecipient) && (lRecipientClosingNumber > 0) &&
pRecipient->VerifyIssuedNum(strServerID, lRecipientClosingNumber)
)
{
if (false == this->DropFinalReceiptToInbox(GetRecipientUserID(),
GetRecipientAcctID(),
lNewTransactionNumber,
lRecipientClosingNumber, // The closing transaction number to put on the receipt.
strOrigCronItem,
NULL,
pstrAttachment))
OTLog::Error("OTAgreement::onFinalReceipt: Failure dropping receipt into recipient's inbox.\n");
// This part below doesn't happen until pRecipient ACCEPTs the final receipt (when processing his inbox.)
//
// pRecipient->RemoveIssuedNum(strServerID, lRecipientClosingNumber, true); //bSave=false
}
else
{
OTLog::Error("OTAgreement::onFinalReceipt: Failed verifying "
"lRecipientClosingNumber=this->GetRecipientClosingTransactionNoAt(1)>0 && "
"pRecipient->VerifyTransactionNum(lRecipientClosingNumber) && VerifyIssuedNum(lRecipientOpeningNumber)\n");
}
// QUESTION: Won't there be Cron Items that have no asset account at all?
// In which case, there'd be no need to drop a final receipt, but I don't think
// that's the case, since you have to use a transaction number to get onto cron
// in the first place.
// -----------------------------------------------------------------
}