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73 lines
2.1 KiB
C++
73 lines
2.1 KiB
C++
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#include "TransactionErr.h"
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#include "TransactionEngine.h"
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// Double check a transaction's metadata to make sure no system invariants were broken
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SETUP_LOG();
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bool TransactionEngine::checkInvariants(TER result, const SerializedTransaction& txn, TransactionEngineParams params)
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{
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#if 0
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const RippleAddress& srcAccount = txn.getFieldAccount(sfAccount);
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uint32 txnSeq = txn.getFieldU32(sfSequence);
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LedgerEntryAction leaAction;
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uint256 srcActId = Ledger::getAccountRootIndex(srcAccount.getAccountID());
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SLE::pointer origSrcAct = mLedger->getSLE(srcActId);
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SLE::pointer newSrcAct = mNodes.getEntry(srcActId, leaAction);
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if (!newSrcAct || !origSrcAct)
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{
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cLog(lsFATAL) << "Transaction created or destroyed its issuing account";
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assert(false);
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return tefINTERNAL;
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}
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if ((newSrcAct->getFieldU32(sfSequence) != (txnSeq + 1)) ||
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(origSrcAct->getFieldU32(sfSequence) != txnSeq))
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{
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cLog(lsFATAL) << "Transaction mangles sequence numbers";
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cLog(lsFATAL) << "t:" << txnSeq << " o: " << origSrcAct->getFieldU32(sfSequence)
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<< " n: " << newSrcAct->getFieldU32(sfSequence);
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assert(false);
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return tefINTERNAL;
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}
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int64 xrpChange = txn.getFieldAmount(sfFee).getSNValue();
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for (LedgerEntrySet::const_iterator it = mNodes.begin(), end = mNodes.end(); it != end; ++it)
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{
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const LedgerEntrySetEntry& entry = it->second;
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if (entry.mAction == taaMODIFY)
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{
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#if 0
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if (entry.mEntry->getType() == ltRIPPLE_STATE)
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{
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// if this transaction pushes a ripple state over its limit, make sure it also modifies
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// an offer placed by that same user
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}
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#endif
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if (entry.mEntry->getType() == ltACCOUNT_ROOT)
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{ // account modified
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xrpChange += entry.mEntry->getFieldAmount(sfBalance).getSNValue();
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xrpChange -= mLedger->getSLE(it->first)->getFieldAmount(sfBalance).getSNValue();
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}
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}
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else if (entry.mAction == taaCREATE)
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{
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if (entry.mEntry->getType() == ltACCOUNT_ROOT) // account created
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xrpChange += entry.mEntry->getFieldAmount(sfBalance).getSNValue();
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}
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}
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if (xrpChange != 0)
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{
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cLog(lsFATAL) << "Transaction creates/destroys XRP";
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assert(false);
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return tefINTERNAL;
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}
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#endif
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return true;
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}
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