TER
CancelTicket::doApply ()
{
uint256 const ticketId = ctx_.tx.getFieldH256 (sfTicketID);
// VFALCO This is highly suspicious, we're requiring that the
// transaction provide the return value of getTicketIndex?
SLE::pointer sleTicket = view().peek (keylet::ticket(ticketId));
if (!sleTicket)
return tecNO_ENTRY;
auto const ticket_owner =
sleTicket->getAccountID (sfAccount);
bool authorized =
account_ == ticket_owner;
// The target can also always remove a ticket
if (!authorized && sleTicket->isFieldPresent (sfTarget))
authorized = (account_ == sleTicket->getAccountID (sfTarget));
// And finally, anyone can remove an expired ticket
if (!authorized && sleTicket->isFieldPresent (sfExpiration))
{
std::uint32_t const expiration = sleTicket->getFieldU32 (sfExpiration);
if (view().parentCloseTime() >= expiration)
authorized = true;
}
if (!authorized)
return tecNO_PERMISSION;
std::uint64_t const hint (sleTicket->getFieldU64 (sfOwnerNode));
auto viewJ = ctx_.app.journal ("View");
TER const result = dirDelete (ctx_.view (), false, hint,
getOwnerDirIndex (ticket_owner), ticketId, false, (hint == 0), viewJ);
adjustOwnerCount(view(), view().peek(
keylet::account(ticket_owner)), -1, viewJ);
ctx_.view ().erase (sleTicket);
return result;
}
TER doApply () override
{
assert (mTxnAccount);
uint256 const ticketId = mTxn.getFieldH256 (sfTicketID);
SLE::pointer sleTicket = mEngine->view ().entryCache (ltTICKET, ticketId);
if (!sleTicket)
return tecNO_ENTRY;
Account const ticket_owner (sleTicket->getFieldAccount160 (sfAccount));
bool authorized (mTxnAccountID == ticket_owner);
// The target can also always remove a ticket
if (!authorized && sleTicket->isFieldPresent (sfTarget))
authorized = (mTxnAccountID == sleTicket->getFieldAccount160 (sfTarget));
// And finally, anyone can remove an expired ticket
if (!authorized && sleTicket->isFieldPresent (sfExpiration))
{
std::uint32_t const expiration = sleTicket->getFieldU32 (sfExpiration);
if (mEngine->getLedger ()->getParentCloseTimeNC () >= expiration)
authorized = true;
}
if (!authorized)
return tecNO_PERMISSION;
std::uint64_t const hint (sleTicket->getFieldU64 (sfOwnerNode));
TER const result = mEngine->view ().dirDelete (false, hint,
getOwnerDirIndex (ticket_owner), ticketId, false, (hint == 0));
mEngine->view ().decrementOwnerCount (mTxnAccount);
mEngine->view ().entryDelete (sleTicket);
return result;
}
