/** 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)
{
auto nodeLedger = app_.getInboundLedgers().acquire (
ledgerHash, ledgerIndex, InboundLedger::fcGENERIC);
if (!nodeLedger)
{
JLOG (j_.debug()) << "Ledger " << ledgerIndex << " not available";
app_.getLedgerMaster().clearLedger (ledgerIndex);
app_.getInboundLedgers().acquire(
ledgerHash, ledgerIndex, InboundLedger::fcGENERIC);
return false;
}
auto dbLedger = loadByIndex(ledgerIndex, app_);
if (! dbLedger ||
(dbLedger->info().hash != ledgerHash) ||
(dbLedger->info().parentHash != nodeLedger->info().parentHash))
{
// Ideally we'd also check for more than one ledger with that index
JLOG (j_.debug()) <<
"Ledger " << ledgerIndex << " mismatches SQL DB";
doTxns = true;
}
if(! app_.getLedgerMaster().fixIndex(ledgerIndex, ledgerHash))
{
JLOG (j_.debug()) << "ledger " << ledgerIndex
<< " had wrong entry in history";
doTxns = true;
}
if (doNodes && !nodeLedger->walkLedger(app_.journal ("Ledger")))
{
JLOG (j_.debug()) << "Ledger " << ledgerIndex << " is missing nodes";
app_.getLedgerMaster().clearLedger (ledgerIndex);
app_.getInboundLedgers().acquire(
ledgerHash, ledgerIndex, InboundLedger::fcGENERIC);
return false;
}
if (doTxns && !pendSaveValidated(app_, nodeLedger, true, false))
{
JLOG (j_.debug()) << "Failed to save ledger " << ledgerIndex;
return false;
}
return true;
}
void
saveLedgerAsync (Application& app, std::uint32_t seq)
{
if (auto l = app.getLedgerMaster().getLedgerBySeq(seq))
pendSaveValidated(app, l, false, false);
}
