NotTEC
Transactor::checkSeq (PreclaimContext const& ctx)
{
auto const id = ctx.tx.getAccountID(sfAccount);
auto const sle = ctx.view.read(
keylet::account(id));
if (!sle)
{
JLOG(ctx.j.trace()) <<
"applyTransaction: delay: source account does not exist " <<
toBase58(ctx.tx.getAccountID(sfAccount));
return terNO_ACCOUNT;
}
std::uint32_t const t_seq = ctx.tx.getSequence ();
std::uint32_t const a_seq = sle->getFieldU32 (sfSequence);
if (t_seq != a_seq)
{
if (a_seq < t_seq)
{
JLOG(ctx.j.trace()) <<
"applyTransaction: has future sequence number " <<
"a_seq=" << a_seq << " t_seq=" << t_seq;
return terPRE_SEQ;
}
if (ctx.view.txExists(ctx.tx.getTransactionID ()))
return tefALREADY;
JLOG(ctx.j.trace()) << "applyTransaction: has past sequence number " <<
"a_seq=" << a_seq << " t_seq=" << t_seq;
return tefPAST_SEQ;
}
if (ctx.tx.isFieldPresent (sfAccountTxnID) &&
(sle->getFieldH256 (sfAccountTxnID) != ctx.tx.getFieldH256 (sfAccountTxnID)))
return tefWRONG_PRIOR;
if (ctx.tx.isFieldPresent (sfLastLedgerSequence) &&
(ctx.view.seq() > ctx.tx.getFieldU32 (sfLastLedgerSequence)))
return tefMAX_LEDGER;
return tesSUCCESS;
}
bool SerializedLedgerEntry::thread (uint256 const& txID, uint32 ledgerSeq, uint256& prevTxID, uint32& prevLedgerID)
{
uint256 oldPrevTxID = getFieldH256 (sfPreviousTxnID);
WriteLog (lsTRACE, SerializedLedgerLog) << "Thread Tx:" << txID << " prev:" << oldPrevTxID;
if (oldPrevTxID == txID)
{
// this transaction is already threaded
assert (getFieldU32 (sfPreviousTxnLgrSeq) == ledgerSeq);
return false;
}
prevTxID = oldPrevTxID;
prevLedgerID = getFieldU32 (sfPreviousTxnLgrSeq);
setFieldH256 (sfPreviousTxnID, txID);
setFieldU32 (sfPreviousTxnLgrSeq, ledgerSeq);
return true;
}
bool STLedgerEntry::thread (uint256 const& txID, std::uint32_t ledgerSeq,
uint256& prevTxID, std::uint32_t& prevLedgerID)
{
uint256 oldPrevTxID = getFieldH256 (sfPreviousTxnID);
JLOG (debugLog().info())
<< "Thread Tx:" << txID << " prev:" << oldPrevTxID;
if (oldPrevTxID == txID)
{
// this transaction is already threaded
assert (getFieldU32 (sfPreviousTxnLgrSeq) == ledgerSeq);
return false;
}
prevTxID = oldPrevTxID;
prevLedgerID = getFieldU32 (sfPreviousTxnLgrSeq);
setFieldH256 (sfPreviousTxnID, txID);
setFieldU32 (sfPreviousTxnLgrSeq, ledgerSeq);
return true;
}
uint256 STLedgerEntry::getThreadedTransaction () const
{
return getFieldH256 (sfPreviousTxnID);
}
uint256 STValidation::getConsensusHash () const
{
return getFieldH256 (sfConsensusHash);
}
uint256 STValidation::getLedgerHash () const
{
return getFieldH256 (sfLedgerHash);
}
uint256 SerializedLedgerEntry::getThreadedTransaction ()
{
return getFieldH256 (sfPreviousTxnID);
}
