shard

type BlockBody struct {
}

type BlockHeader struct {
	// Slot number
	SlotNumber uint64
	// What shard is it on
	ShardID uint64
	// Parent block hash
	ParentHash chainhash.Hash
	// Beacon chain block
	BeaconChainRef chainhash.Hash
	// Depth of the Merkle tree
	DataTreeDepth uint8
	// Merkle root of data
	DataRoot chainhash.Hash
	// State root (placeholder for now)
	StateRoot chainhash.Hash
	// Attestation (including block signature)
	AttesterBitfield []uint8
	//AggregateSig: ['uint256']
	AggregateSig [][]uint8
}

type Blockchain struct {
	// contains filtered or unexported fields
}

type Database interface {
	GetBlockForHash(h chainhash.Hash) (*BlockHeader, error)
}