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db840b5604
Certain checks that determine if a transaction is malformed can be performed without needing to look up accounts or access the ledger. Perform those checks as early as possible to optimize transaction processing.
103 lines
2.9 KiB
C++
103 lines
2.9 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) 2012, 2013 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/transactors/Transactor.h>
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#include <ripple/basics/Log.h>
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#include <ripple/protocol/TxFlags.h>
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namespace ripple {
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class SetRegularKey
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: public Transactor
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{
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std::uint64_t calculateBaseFee () override
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{
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if ( mTxnAccount
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&& (! (mTxnAccount->getFlags () & lsfPasswordSpent))
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&& (mSigningPubKey.getAccountID () == mTxnAccountID))
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{
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// flag is armed and they signed with the right account
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return 0;
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}
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return Transactor::calculateBaseFee ();
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}
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public:
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SetRegularKey (
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STTx const& txn,
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TransactionEngineParams params,
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TransactionEngine* engine)
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: Transactor (
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txn,
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params,
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engine,
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deprecatedLogs().journal("SetRegularKey"))
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{
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}
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TER preCheck () override
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{
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std::uint32_t const uTxFlags = mTxn.getFlags ();
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if (uTxFlags & tfUniversalMask)
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{
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if (m_journal.trace) m_journal.trace <<
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"Malformed transaction: Invalid flags set.";
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return temINVALID_FLAG;
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}
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return Transactor::preCheck ();
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}
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TER doApply () override
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{
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if (mFeeDue == zero)
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mTxnAccount->setFlag (lsfPasswordSpent);
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if (mTxn.isFieldPresent (sfRegularKey))
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{
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mTxnAccount->setFieldAccount (sfRegularKey,
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mTxn.getFieldAccount160 (sfRegularKey));
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}
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else
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{
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if (mTxnAccount->isFlag (lsfDisableMaster))
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return tecMASTER_DISABLED;
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mTxnAccount->makeFieldAbsent (sfRegularKey);
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}
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return tesSUCCESS;
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}
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};
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TER
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transact_SetRegularKey (
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STTx const& txn,
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TransactionEngineParams params,
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TransactionEngine* engine)
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{
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return SetRegularKey(txn, params, engine).apply ();
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}
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}
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