Merge pull request #21472 from holiman/fix_dltest_fail

eth/downloader: fix rollback issue on short chains
ethereum · Aug 21, 2020 · b68929c · b68929c
2 parents 4e54b1a + 9f7b79a
commit b68929c
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/eth/downloader/downloader.go b/eth/downloader/downloader.go
@@ -1502,6 +1502,8 @@ func (d *Downloader) processHeaders(origin uint64, pivot uint64, td *big.Int) er
 					head := chunk[len(chunk)-1].Number.Uint64()
 					if head-rollback > uint64(fsHeaderSafetyNet) {
 						rollback = head - uint64(fsHeaderSafetyNet)
+					} else {
+						rollback = 1
 					}
 				}
 				// Unless we're doing light chains, schedule the headers for associated content retrieval