op-node: batch-decoder: Fjord Frame Timestamp fix (ethereum-optimism#…

…11143)

* op-node: batch-decoder: Correct timestamp for fjord frames

* op-node: batch-decoder: Typo for channel compression algo json key

op-node/cmd/batch_decoder/reassemble/reassemble.go

@@ -25,7 +25,7 @@ type ChannelWithMetadata struct {
 	Frames         []FrameWithMetadata      `json:"frames"`
 	Batches        []derive.Batch           `json:"batches"`
 	BatchTypes     []int                    `json:"batch_types"`
-	ComprAlgos     []derive.CompressionAlgo `json:"compr_alogs"`
+	ComprAlgos     []derive.CompressionAlgo `json:"compr_algos"`
 }
 
 type FrameWithMetadata struct {
@@ -101,7 +101,7 @@ func processFrames(cfg Config, rollupCfg *rollup.Config, id derive.ChannelID, fr
 			invalidFrame = true
 			break
 		}
-		if err := ch.AddFrame(frame.Frame, eth.L1BlockRef{Number: frame.InclusionBlock}); err != nil {
+		if err := ch.AddFrame(frame.Frame, eth.L1BlockRef{Number: frame.InclusionBlock, Time: frame.Timestamp}); err != nil {
 			fmt.Printf("Error adding to channel %v. Err: %v\n", id.String(), err)
 			invalidFrame = true
 		}