Update packages/client/lib/sync/fetcher/blockfetcher.ts

log error if no headers are returned Co-authored-by: acolytec3 <17355484+acolytec3@users.noreply.github.com>
ethereumjs · Jul 8, 2021 · 7b8145c · 7b8145c
1 parent 2ef2481
commit 7b8145c
Showing 1 changed file with 4 additions and 0 deletions.
diff --git a/packages/client/lib/sync/fetcher/blockfetcher.ts b/packages/client/lib/sync/fetcher/blockfetcher.ts
@@ -30,6 +30,10 @@ export class BlockFetcher extends BlockFetcherBase<Block[], Block> {
         max: count,
       })
     )[1]
+    if (!headers) {
+      this.config.logger.error(`peer ${peer?.id} returned no headers for block ${first}`)
+      return []
+    }
     const bodies = (await peer!.eth!.getBlockBodies({ hashes: headers.map((h) => h.hash()) }))[1]
     const blocks: Block[] = bodies.map(([txsData, unclesData]: BlockBodyBuffer, i: number) => {
       const opts = {