interfaces

type BCLookup interface {
	// Lookup returns the blockchain ID for an alias
	Lookup(alias string) (ids.ID, error)
	// GetAlias returns the alias for a blockchain ID
	GetAlias(blockchainID ids.ID) (string, error)
	// GetBlockchainID returns the blockchain ID for an alias
	GetBlockchainID(alias string) (ids.ID, error)
	// PrimaryAlias returns the primary alias for a blockchain
	PrimaryAlias(blockchainID ids.ID) (string, error)
	// Aliases returns all aliases for a blockchain
	Aliases(blockchainID ids.ID) ([]string, error)
}

type Block interface {
	// ID returns the block's unique identifier
	ID() ids.ID

	// Parent returns the parent block's ID
	Parent() ids.ID

	// Height returns the block's height
	Height() uint64

	// Bytes returns the serialized block
	Bytes() []byte

	// Accept marks the block as accepted
	Accept(context.Context) error

	// Reject marks the block as rejected
	Reject(context.Context) error
}

type SharedMemory interface {
	GetDatabase(id ids.ID) (*VersionedDatabase, database.Database)
	ReleaseDatabase(id ids.ID) error
}

type State interface {
	// GetBlock retrieves a block by its ID
	GetBlock(ctx context.Context, blockID ids.ID) (Block, error)

	// PutBlock stores a block
	PutBlock(ctx context.Context, block Block) error

	// GetLastAccepted returns the last accepted block ID
	GetLastAccepted(ctx context.Context) (ids.ID, error)

	// SetLastAccepted sets the last accepted block ID
	SetLastAccepted(ctx context.Context, blockID ids.ID) error
}

type StateEnum uint8

type StateHolder interface {
	// GetState returns the current state
	GetState() StateEnum
}

type VersionedDatabase struct {
	Lock   database.Database
	Memory database.Database
}