package webtorrent import ( "fmt" "math" "github.com/pion/webrtc/v2" ) type AnnounceRequest struct { Numwant int `json:"numwant"` Uploaded int64 `json:"uploaded"` Downloaded int64 `json:"downloaded"` Left int64 `json:"left"` Event string `json:"event"` Action string `json:"action"` InfoHash string `json:"info_hash"` PeerID string `json:"peer_id"` Offers []Offer `json:"offers"` } type Offer struct { OfferID string `json:"offer_id"` Offer webrtc.SessionDescription `json:"offer"` } type AnnounceResponse struct { InfoHash string `json:"info_hash"` Action string `json:"action"` Interval *int `json:"interval,omitempty"` Complete *int `json:"complete,omitempty"` Incomplete *int `json:"incomplete,omitempty"` PeerID string `json:"peer_id,omitempty"` ToPeerID string `json:"to_peer_id,omitempty"` Answer *webrtc.SessionDescription `json:"answer,omitempty"` Offer *webrtc.SessionDescription `json:"offer,omitempty"` OfferID string `json:"offer_id,omitempty"` } // I wonder if this is a defacto standard way to decode bytes to JSON for webtorrent. I don't really // care. func binaryToJsonString(b []byte) string { var seq []rune for _, v := range b { seq = append(seq, rune(v)) } return string(seq) } func jsonStringToInfoHash(s string) (ih [20]byte, err error) { defer func() { r := recover() if r == nil { return } panic(fmt.Sprintf("%q", s)) }() for i, c := range []rune(s) { if c < 0 || c > math.MaxUint8 { err = fmt.Errorf("bad infohash string: %v", s) return } ih[i] = byte(c) } return }