Currently Data Availability API [is defined](https://github.com/lazyledger/optimint/blob/c9af93a6942a30f3c3d4d34c2eee32aee987598e/da/da.go) only for block submission. For MVP, we're planning to use DA layer for block propagation. New interface should be proposed for DA clients that can retrieve blocks.
Currently Data Availability API is defined only for block submission.
For MVP, we're planning to use DA layer for block propagation. New interface should be proposed for DA clients that can retrieve blocks.