chore: add release pool

pkg/shreder/client.go

@@ -128,10 +128,14 @@ func (c *Client) ReadSync(ctx context.Context, txCh chan<- TxSignalBatch) error
 		return err
 	}
 
+	// reboot the pool
+	c.pool.Reboot()
+
 	for {
-		response, err := stream.Recv()
+		var response *SubscribeTransactionsResponse
+		response, err = stream.Recv()
 		if err != nil {
-			return err
+			break
 		}
 
 		if c.enableBlockStats {
@@ -165,7 +169,12 @@ func (c *Client) ReadSync(ctx context.Context, txCh chan<- TxSignalBatch) error
 			}
 		})
 		if err != nil {
-			return err
+			break
 		}
 	}
+
+	// sync waiting for all tasks to complete
+	c.pool.Release()
+
+	return err
 }