mirror of
https://github.com/Xahau/xahaud.git
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bee12fb89d
* Refactor and cleanup transactors * Introduce new direct and bridged transactors * Rename existing transactor to indicate legacy status * New direct transactor defaults to being turned off (preserve legacy behavior)
153 lines
4.2 KiB
C++
153 lines
4.2 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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namespace ripple {
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TER ChangeTransactor::doApply ()
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{
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if (mTxn.getTxnType () == ttAMENDMENT)
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return applyAmendment ();
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if (mTxn.getTxnType () == ttFEE)
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return applyFee ();
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return temUNKNOWN;
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}
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TER ChangeTransactor::checkSig ()
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{
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if (mTxn.getFieldAccount160 (sfAccount).isNonZero ())
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{
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m_journal.warning << "Bad source account";
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return temBAD_SRC_ACCOUNT;
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}
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if (!mTxn.getSigningPubKey ().empty () || !mTxn.getSignature ().empty ())
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{
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m_journal.warning << "Bad signature";
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return temBAD_SIGNATURE;
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}
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return tesSUCCESS;
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}
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TER ChangeTransactor::checkSeq ()
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{
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if ((mTxn.getSequence () != 0) || mTxn.isFieldPresent (sfPreviousTxnID))
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{
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m_journal.warning << "Bad sequence";
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return temBAD_SEQUENCE;
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}
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return tesSUCCESS;
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}
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TER ChangeTransactor::payFee ()
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{
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if (mTxn.getTransactionFee () != STAmount ())
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{
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m_journal.warning << "Non-zero fee";
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return temBAD_FEE;
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}
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return tesSUCCESS;
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}
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TER ChangeTransactor::preCheck ()
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{
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mTxnAccountID = mTxn.getSourceAccount ().getAccountID ();
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if (mTxnAccountID.isNonZero ())
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{
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m_journal.warning << "Bad source id";
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return temBAD_SRC_ACCOUNT;
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}
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if (is_bit_set (mParams, tapOPEN_LEDGER))
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{
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m_journal.warning << "Change transaction against open ledger";
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return temINVALID;
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}
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return tesSUCCESS;
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}
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TER ChangeTransactor::applyAmendment ()
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{
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uint256 amendment (mTxn.getFieldH256 (sfAmendment));
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SLE::pointer amendmentObject (mEngine->entryCache (
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ltAMENDMENTS, Ledger::getLedgerAmendmentIndex ()));
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if (!amendmentObject)
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{
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amendmentObject = mEngine->entryCreate(
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ltAMENDMENTS, Ledger::getLedgerAmendmentIndex());
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}
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STVector256 amendments (amendmentObject->getFieldV256 (sfAmendments));
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if (amendments.hasValue (amendment))
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return tefALREADY;
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amendments.addValue (amendment);
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amendmentObject->setFieldV256 (sfAmendments, amendments);
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mEngine->entryModify (amendmentObject);
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getApp().getAmendmentTable ().enable (amendment);
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if (!getApp().getAmendmentTable ().isSupported (amendment))
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getApp().getOPs ().setAmendmentBlocked ();
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return tesSUCCESS;
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}
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TER ChangeTransactor::applyFee ()
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{
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SLE::pointer feeObject = mEngine->entryCache (
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ltFEE_SETTINGS, Ledger::getLedgerFeeIndex ());
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if (!feeObject)
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feeObject = mEngine->entryCreate (
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ltFEE_SETTINGS, Ledger::getLedgerFeeIndex ());
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m_journal.trace <<
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"Previous fee object: " << feeObject->getJson (0);
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feeObject->setFieldU64 (
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sfBaseFee, mTxn.getFieldU64 (sfBaseFee));
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feeObject->setFieldU32 (
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sfReferenceFeeUnits, mTxn.getFieldU32 (sfReferenceFeeUnits));
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feeObject->setFieldU32 (
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sfReserveBase, mTxn.getFieldU32 (sfReserveBase));
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feeObject->setFieldU32 (
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sfReserveIncrement, mTxn.getFieldU32 (sfReserveIncrement));
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mEngine->entryModify (feeObject);
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m_journal.trace <<
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"New fee object: " << feeObject->getJson (0);
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m_journal.warning << "Fees have been changed";
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return tesSUCCESS;
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}
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}
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