state

type State interface {
	// GetVertex returns a vertex by its ID
	GetVertex(vertexID ids.ID) (Vertex, error)

	// AddVertex adds a vertex to the state
	AddVertex(vertex Vertex) error

	// VertexStatus returns the status of a vertex
	VertexStatus(vertexID ids.ID) choices.Status

	// SetVertexStatus sets the status of a vertex
	SetVertexStatus(vertexID ids.ID, status choices.Status) error

	// Edge returns the directed edge from vertex u to vertex v
	Edge(u, v ids.ID) bool

	// Conflicts returns vertices that conflict with the given vertex
	Conflicts(vertexID ids.ID) ([]ids.ID, error)
}

type Vertex interface {
	ID() ids.ID
	Parents() []ids.ID
	Height() uint64
	Timestamp() int64
	Bytes() []byte
	Verify() error
}