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Invoke.cpp
114 lines (94 loc) · 3.39 KB
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Invoke.cpp
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//------------------------------------------------------------------------------
/*
This file is part of rippled: https://github.com/ripple/rippled
Copyright (c) 2012, 2013 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 <ripple/app/tx/impl/Invoke.h>
#include <ripple/basics/Log.h>
#include <ripple/ledger/View.h>
#include <ripple/protocol/Feature.h>
#include <ripple/protocol/Indexes.h>
#include <ripple/protocol/st.h>
namespace ripple {
TxConsequences
Invoke::makeTxConsequences(PreflightContext const& ctx)
{
return TxConsequences{ctx.tx, TxConsequences::normal};
}
NotTEC
Invoke::preflight(PreflightContext const& ctx)
{
if (auto const ret = preflight1(ctx); !isTesSuccess(ret))
return ret;
auto& tx = ctx.tx;
if (tx.getFieldVL(sfBlob).size() > (128 * 1024))
{
JLOG(ctx.j.warn()) << "Invoke: blob was more than 128kib "
<< tx.getTransactionID();
return temMALFORMED;
}
return preflight2(ctx);
}
TER
Invoke::preclaim(PreclaimContext const& ctx)
{
if (!ctx.view.rules().enabled(featureHooks))
return temDISABLED;
auto const id = ctx.tx[sfAccount];
auto const sle = ctx.view.read(keylet::account(id));
if (!sle)
return terNO_ACCOUNT;
if (ctx.tx.isFieldPresent(sfDestination))
{
if (!ctx.view.exists(keylet::account(ctx.tx[sfDestination])))
return tecNO_TARGET;
}
return tesSUCCESS;
}
TER
Invoke::doApply()
{
// everything happens in the hooks!
return tesSUCCESS;
}
XRPAmount
Invoke::calculateBaseFee(ReadView const& view, STTx const& tx)
{
XRPAmount extraFee{0};
if (tx.isFieldPresent(sfBlob))
extraFee +=
XRPAmount{static_cast<XRPAmount>(tx.getFieldVL(sfBlob).size())};
// old code (prior to fixXahauV1)
if (!view.rules().enabled(fixXahauV1))
{
if (tx.isFieldPresent(sfHookParameters))
{
uint64_t paramBytes = 0;
auto const& params = tx.getFieldArray(sfHookParameters);
for (auto const& param : params)
{
paramBytes +=
(param.isFieldPresent(sfHookParameterName)
? param.getFieldVL(sfHookParameterName).size()
: 0) +
(param.isFieldPresent(sfHookParameterValue)
? param.getFieldVL(sfHookParameterValue).size()
: 0);
}
extraFee += XRPAmount{static_cast<XRPAmount>(paramBytes)};
}
}
return Transactor::calculateBaseFee(view, tx) + extraFee;
}
} // namespace ripple