da

type Blob = []byte

type Commitment = []byte

type DA interface {
	// MaxBlobSize returns the max blob size
	MaxBlobSize() (uint64, error)

	// Get returns Blob for each given ID, or an error.
	//
	// Error should be returned if ID is not formatted properly, there is no Blob for given ID or any other client-level
	// error occurred (dropped connection, timeout, etc).
	Get(ids []ID) ([]Blob, error)

	// GetIDs returns IDs of all Blobs located in DA at given height.
	GetIDs(height uint64) ([]ID, error)

	// Commit creates a Commitment for each given Blob.
	Commit(blobs []Blob) ([]Commitment, error)

	// Submit submits the Blobs to Data Availability layer.
	//
	// This method is synchronous. Upon successful submission to Data Availability layer, it returns ID identifying blob
	// in DA and Proof of inclusion.
	// If options is nil, default options are used.
	Submit(blobs []Blob, options *SubmitOptions) ([]ID, []Proof, error)

	// Validate validates Commitments against the corresponding Proofs. This should be possible without retrieving the Blobs.
	Validate(ids []ID, proofs []Proof) ([]bool, error)
}

type ID = []byte

type Proof = []byte

type SubmitOptions struct {
	Fee int64
	Gas uint64
}