state

type DAGVM interface {
	// ParseVtx parses a vertex from bytes
	ParseVtx(ctx context.Context, bytes []byte) (Vertex, error)
}

type Manager interface {
	State

	// ParseVtx parses a vertex from bytes
	ParseVtx(ctx context.Context, bytes []byte) (Vertex, error)

	// GetVtx returns a vertex by ID
	GetVtx(ctx context.Context, vtxID ids.ID) (Vertex, error)

	// Edge returns the current edge of the DAG
	Edge(ctx context.Context) []ids.ID

	// StopVertexAccepted marks a vertex as no longer accepted
	StopVertexAccepted()
}

type SerializerConfig struct {
	ChainID ids.ID
	VM      DAGVM
	DB      database.Database
	Log     log.Logger
}

type State interface {
	// GetVertex gets a vertex
	GetVertex(ids.ID) (Vertex, error)

	// AddVertex adds a vertex
	AddVertex(Vertex) error

	// VertexIssued checks if vertex issued
	VertexIssued(Vertex) bool

	// IsProcessing checks if processing
	IsProcessing(ids.ID) bool
}

type Vertex interface {
	ID() ids.ID
	ParentIDs() []ids.ID
	Height() uint64
	Bytes() []byte
}