Method getRandaoProof

ethstorage/miner/l1_mining_api.go:236–256

(ctx context.Context, blockNumber *big.Int)

}

func (m *l1MiningAPI) getRandaoProof(ctx context.Context, blockNumber *big.Int) ([]byte, error) {
	var caller interface {
		HeaderByNumber(context.Context, *big.Int) (*types.Header, error)
	}
	if m.rc != nil {
		caller = m.rc
	} else {
		caller = m.Client
	}
	blockHeader, err := caller.HeaderByNumber(ctx, blockNumber)
	if err != nil {
		m.lg.Error("Failed to get block header", "number", blockNumber, "error", err)
		return nil, err
	}
	headerRlp, err := rlp.EncodeToBytes(blockHeader)
	if err != nil {
		m.lg.Error("Failed to encode block header in RLP", "error", err)
		return nil, err
	}
	return headerRlp, nil
}

func (m *l1MiningAPI) composeCalldata(ctx context.Context, rst result) ([]byte, error) {
	headerRlp, err := m.getRandaoProof(ctx, rst.blockNumber)