fix: bail early on empty block before sending event (#331)

Signed-off-by: Chris Gianelloni <wolf31o2@blinklabs.io>
blinklabs-io · Feb 4, 2025 · 09c8e18 · 09c8e18
1 parent e2ba332
commit 09c8e18
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/input/chainsync/chainsync.go b/input/chainsync/chainsync.go
@@ -326,6 +326,9 @@ func (c *ChainSync) handleRollForward(
 		if err != nil {
 			return err
 		}
+		if block == nil {
+			return fmt.Errorf("blockfetch returned empty")
+		}
 		blockEvt := event.New("chainsync.block", time.Now(), NewBlockHeaderContext(v), NewBlockEvent(block, c.includeCbor))
 		c.eventChan <- blockEvt
 		for t, transaction := range block.Transactions() {