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7a4bd2278d
Replace Journal public data members with member function accessors in order to make Journal lighter weight. The change makes a Journal cheaper to pass by value. Also add missing stream checks (e.g., calls to JLOG) to avoid text processing that ultimately will not be stored in the log.
134 lines
4.1 KiB
C++
134 lines
4.1 KiB
C++
//------------------------------------------------------------------------------
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/*
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This file is part of rippled: https://github.com/ripple/rippled
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Copyright (c) 2014 Ripple Labs Inc.
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Permission to use, copy, modify, and/or distribute this software for any
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purpose with or without fee is hereby granted, provided that the above
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copyright notice and this permission notice appear in all copies.
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THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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ANY SPECIAL , DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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//==============================================================================
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#include <BeastConfig.h>
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#include <ripple/app/tx/impl/CreateTicket.h>
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#include <ripple/app/ledger/Ledger.h>
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#include <ripple/basics/Log.h>
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#include <ripple/protocol/Feature.h>
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#include <ripple/protocol/Indexes.h>
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namespace ripple {
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TER
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CreateTicket::preflight (PreflightContext const& ctx)
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{
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if (! ctx.rules.enabled(featureTickets,
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ctx.app.config().features))
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return temDISABLED;
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auto const ret = preflight1 (ctx);
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if (!isTesSuccess (ret))
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return ret;
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if (ctx.tx.isFieldPresent (sfExpiration))
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{
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if (ctx.tx.getFieldU32 (sfExpiration) == 0)
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{
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JLOG(ctx.j.warn()) <<
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"Malformed transaction: bad expiration";
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return temBAD_EXPIRATION;
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}
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}
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return preflight2 (ctx);
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}
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TER
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CreateTicket::doApply ()
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{
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auto const sle = view().peek(keylet::account(account_));
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// A ticket counts against the reserve of the issuing account, but we
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// check the starting balance because we want to allow dipping into the
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// reserve to pay fees.
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{
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auto const reserve = view().fees().accountReserve(
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sle->getFieldU32(sfOwnerCount) + 1);
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if (mPriorBalance < reserve)
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return tecINSUFFICIENT_RESERVE;
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}
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NetClock::time_point expiration{};
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if (ctx_.tx.isFieldPresent (sfExpiration))
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{
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expiration = NetClock::time_point(NetClock::duration(ctx_.tx[sfExpiration]));
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if (view().parentCloseTime() >= expiration)
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return tesSUCCESS;
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}
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SLE::pointer sleTicket = std::make_shared<SLE>(ltTICKET,
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getTicketIndex (account_, ctx_.tx.getSequence ()));
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sleTicket->setAccountID (sfAccount, account_);
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sleTicket->setFieldU32 (sfSequence, ctx_.tx.getSequence ());
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if (expiration != NetClock::time_point{})
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sleTicket->setFieldU32 (sfExpiration, expiration.time_since_epoch().count());
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view().insert (sleTicket);
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if (ctx_.tx.isFieldPresent (sfTarget))
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{
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AccountID const target_account (ctx_.tx.getAccountID (sfTarget));
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SLE::pointer sleTarget = view().peek (keylet::account(target_account));
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// Destination account does not exist.
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if (!sleTarget)
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return tecNO_TARGET;
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// The issuing account is the default account to which the ticket
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// applies so don't bother saving it if that's what's specified.
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if (target_account != account_)
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sleTicket->setAccountID (sfTarget, target_account);
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}
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std::uint64_t hint;
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auto describer = [&](SLE::pointer p, bool b)
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{
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ownerDirDescriber(p, b, account_);
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};
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auto viewJ = ctx_.app.journal ("View");
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TER result = dirAdd(view(),
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hint,
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getOwnerDirIndex (account_),
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sleTicket->getIndex (),
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describer,
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viewJ);
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JLOG(j_.trace()) <<
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"Creating ticket " << to_string (sleTicket->getIndex ()) <<
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": " << transHuman (result);
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if (result != tesSUCCESS)
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return result;
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sleTicket->setFieldU64(sfOwnerNode, hint);
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// If we succeeded, the new entry counts agains the creator's reserve.
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adjustOwnerCount(view(), sle, 1, viewJ);
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return result;
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}
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}
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