/** Process a single ledger
@param ledgerIndex The index of the ledger to process.
@param ledgerHash The known correct hash of the ledger.
@param doNodes Ensure all ledger nodes are in the node db.
@param doTxns Reprocess (account) transactions to SQL databases.
@return `true` if the ledger was cleaned.
*/
bool doLedger(
LedgerIndex const& ledgerIndex,
LedgerHash const& ledgerHash,
bool doNodes,
bool doTxns)
{
Ledger::pointer nodeLedger =
getApp().getInboundLedgers().acquire (
ledgerHash, ledgerIndex, InboundLedger::fcGENERIC);
if (!nodeLedger)
{
m_journal.debug << "Ledger " << ledgerIndex << " not available";
return false;
}
Ledger::pointer dbLedger = Ledger::loadByIndex(ledgerIndex);
if (! dbLedger ||
(dbLedger->getHash() != ledgerHash) ||
(dbLedger->getParentHash() != nodeLedger->getParentHash()))
{
// Ideally we'd also check for more than one ledger with that index
m_journal.debug <<
"Ledger " << ledgerIndex << " mismatches SQL DB";
doTxns = true;
}
if(! getApp().getLedgerMaster().fixIndex(ledgerIndex, ledgerHash))
{
m_journal.debug << "ledger " << ledgerIndex << " had wrong entry in history";
doTxns = true;
}
if (doNodes && !nodeLedger->walkLedger())
{
m_journal.debug << "Ledger " << ledgerIndex << " is missing nodes";
getApp().getInboundLedgers().acquire(
ledgerHash, ledgerIndex, InboundLedger::fcGENERIC);
return false;
}
if (doTxns && !nodeLedger->pendSaveValidated(true, false))
{
m_journal.debug << "Failed to save ledger " << ledgerIndex;
return false;
}
return true;
}
