fix: ensure ecK is never greater than pos

2024-06-14 13:05:44 +10:00 · 2024-06-14 13:05:44 +10:00 · 33eb176430
parent 215023bddc
commit 33eb176430
1 changed files with 1 additions and 1 deletions
--- a/codex/erasure/erasure.nim
+++ b/codex/erasure/erasure.nim
@ -217,7 +217,7 @@ proc prepareDecodingData(
      empty = blk.isEmpty

    cids[idx] = blk.cid
-    if idx >= encoded.rounded:
+    if idx >= encoded.rounded and pos >= encoded.ecK:
      trace "Retrieved parity block"
      shallowCopy(parityData[pos - encoded.ecK], if blk.isEmpty: emptyBlock else: blk.data)
      parityPieces.inc