Datasets:
MIN12352
/
codeparrot

Dataset card Data Studio Files Community
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lowestHeight = tipHeight
}
dependent = dependent.dependent
}
}
return lowestHeight, bestHeight, nil
}
// CatchUp syncs all subscribed indexes to the the main chain by connecting
// blocks from after the lowest index tip to the current main chain tip.
//
// This should be called after all indexes have subscribed for updates.
func (s *IndexSubscriber) CatchUp(ctx context.Context, db database.DB, queryer ChainQueryer) error {
lowestHeight, bestHeight, err := s.findLowestIndexTipHeight(queryer)
if err != nil {
return err
}
// Nothing to do if all indexes are synced.
if bestHeight == lowestHeight {
return nil
}
// Create a progress logger for the indexing process below.
progressLogger := progresslog.NewBlockProgressLogger(""Indexed"", log)
// tip and need to be caught up, so log the details and loop through
// each block that needs to be indexed.
log.Infof(""Catching up from height %d to %d"", lowestHeight,
bestHeight)
var cachedParent *dcrutil.Block
for height := lowestHeight + 1; height <= bestHeight; height++ {
if interruptRequested(ctx) {
return indexerError(ErrInterruptRequested, interruptMsg)
}
hash, err := queryer.BlockHashByHeight(height)
if err != nil {
return err
}
// Ensure the next tip hash is on the main chain.
if !queryer.MainChainHasBlock(hash) {
msg := fmt.Sprintf(""the next block being synced to (%s) ""+
""at height %d is not on the main chain"", hash, height)
return indexerError(ErrBlockNotOnMainChain, msg)
}
var parent *dcrutil.Block
if cachedParent == nil && height > 0 {
parentHash, err := queryer.BlockHashByHeight(height - 1)
if err != nil {
return err
}
parent, err = queryer.BlockByHash(parentHash)
if err != nil {
return err
}
} else {
parent = cachedParent
}
child, err := queryer.BlockByHash(hash)
if err != nil {
return err
}
// Construct and send the index notification.
var prevScripts PrevScripter
err = db.View(func(dbTx database.Tx) error {
if interruptRequested(ctx) {
return indexerError(ErrInterruptRequested, interruptMsg)
}
prevScripts, err = queryer.PrevScripts(dbTx, child)
if err != nil {
return err
}
return nil
})
if err != nil {
return err
}
isTreasuryEnabled, err := queryer.IsTreasuryAgendaActive(parent.Hash())
if err != nil {
return err
}
ntfn := &IndexNtfn{
NtfnType: ConnectNtfn,
Block: child,
Parent: parent,
PrevScripts: prevScripts,
IsTreasuryEnabled: isTreasuryEnabled,
}