account for -1

celestiaorg · Mar 27, 2024 · c76b0e4 · c76b0e4
1 parent 28fe967
commit c76b0e4
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/share/shwap/row_id.go b/share/shwap/row_id.go
@@ -4,6 +4,7 @@ import (
 	"context"
 	"encoding/binary"
 	"fmt"
+
 	blocks "github.com/ipfs/go-block-format"
 	"github.com/ipfs/go-cid"
 	mh "github.com/multiformats/go-multihash"
@@ -111,7 +112,7 @@ func (rid RowID) Verify(root *share.Root) error {
 	}
 
 	sqrLn := len(root.RowRoots)
-	if int(rid.RowIndex) >= sqrLn {
+	if int(rid.RowIndex) >= sqrLn-1 {
 		return fmt.Errorf("RowIndex exceeds square size: %d >= %d", rid.RowIndex, sqrLn)
 	}