Files
rippled/src/ripple/app/tx/impl/CancelTicket.cpp
seelabs f5af8b03de Add the config preset features to the view:
It is often difficult to get access to the preset features in the config. Adding
the preset features solves this problem.
2017-02-07 18:59:56 -05:00

92 lines
3.0 KiB
C++

//------------------------------------------------------------------------------
/*
This file is part of rippled: https://github.com/ripple/rippled
Copyright (c) 2014 Ripple Labs Inc.
Permission to use, copy, modify, and/or distribute this software for any
purpose with or without fee is hereby granted, provided that the above
copyright notice and this permission notice appear in all copies.
THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
ANY SPECIAL , DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
//==============================================================================
#include <BeastConfig.h>
#include <ripple/app/tx/impl/CancelTicket.h>
#include <ripple/basics/Log.h>
#include <ripple/protocol/Feature.h>
#include <ripple/protocol/Indexes.h>
#include <ripple/ledger/View.h>
namespace ripple {
TER
CancelTicket::preflight (PreflightContext const& ctx)
{
if (! ctx.rules.enabled(featureTickets))
return temDISABLED;
auto const ret = preflight1 (ctx);
if (!isTesSuccess (ret))
return ret;
return preflight2 (ctx);
}
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))
{
using tp = NetClock::time_point;
using d = tp::duration;
auto const expiration = tp{d{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;
}
}