package protocol

import "encoding/json"

// Signal is a client command. The server derives the sender from Peer’s
// session binding, never from an asserted identity in the payload.
type Signal struct {
	Peer    PeerID          `json:"peer"`
	Type    string          `json:"type"`
	To      PeerID          `json:"to,omitempty"`
	Seq     uint64          `json:"seq,omitempty"`
	Gen     uint64          `json:"gen,omitempty"`
	Payload json.RawMessage `json:"payload,omitempty"`
}