chains

type Builder interface {
	Create() Builder
	WithID(id *uuid.UUID) Builder
	WithPeers(peers peers.Peers) Builder
	WithOriginal(original Chain) Builder
	WithGenesis(gen genesis.Genesis) Builder
	WithRoot(root block_mined.Block) Builder
	WithHead(head link_mined.Link) Builder
	CreatedOn(createdOn time.Time) Builder
	Now() (Chain, error)
}

type Chain interface {
	ID() *uuid.UUID
	Peers() peers.Peers
	Genesis() genesis.Genesis
	Root() block_mined.Block
	TotalHashes() uint
	Height() uint
	CreatedOn() time.Time
	HasHead() bool
	Head() link_mined.Link
}

type Repository interface {
	List() ([]*uuid.UUID, error)
	Retrieve(id *uuid.UUID) (Chain, error)
}

type Service interface {
	Insert(chain Chain) error
	Update(original Chain, updated Chain) error
	Delete(chain Chain) error
}

type Validator interface {
	Execute(chain Chain) error
}