| 1 | package community |
| 2 | |
| 3 | import ( |
| 4 | "context" |
| 5 | "crypto/sha256" |
| 6 | "database/sql" |
| 7 | "encoding/hex" |
| 8 | "encoding/json" |
| 9 | "errors" |
| 10 | "fmt" |
| 11 | "strings" |
| 12 | "time" |
| 13 | |
| 14 | "github.com/FelineStateMachine/tinyrelay/internal/event" |
| 15 | ) |
| 16 | |
| 17 | // EnqueueProjectionTx records a durable records-projection intent in a caller |
| 18 | // owned transaction. Root event ingestion should call this before storing the |
| 19 | // accepted event, so a failed event write rolls back both the projection work |
| 20 | // and membership side effects. The intent is idempotent by kind/event/target. |
| 21 | func (s *Service) EnqueueProjectionTx(ctx context.Context, tx *sql.Tx, ev event.Event) error { |
| 22 | id := ev.ID |
| 23 | if id == "" { |
| 24 | sum := sha256.Sum256([]byte(fmt.Sprintf("%s:%d:%s" , ev.PubKey, ev.Kind, ev.Content))) |
| 25 | id = fmt.Sprintf("community-event-%x" , sum[:]) |
| 26 | } |
| 27 | payload, err := json.Marshal(map[string]any{"kind" : ev.Kind, "pubkey" : ev.PubKey, "id" : ev.ID}) |
| 28 | if err != nil { |
| 29 | return err |
| 30 | } |
| 31 | now := time.Now().Unix() |
| 32 | _, err = tx.ExecContext(ctx, `INSERT OR IGNORE INTO work_intents(id,kind,event_id,target,payload,next_at,created_at,updated_at) VALUES(?,?,?,?,?,?,?,?)` , id, "records-projection" , id, "membership" , string(payload), now, now, now) |
| 33 | return err |
| 34 | } |
| 35 | |
| 36 | // EnqueueProjection is the non-composable convenience form. Use |
| 37 | // EnqueueProjectionTx when event persistence must share the transaction. |
| 38 | func (s *Service) EnqueueProjection(ctx context.Context, ev event.Event) error { |
| 39 | return s.store.WithTx(ctx, func(tx *sql.Tx) error { return s.EnqueueProjectionTx(ctx, tx, ev) }) |
| 40 | } |
| 41 | |
| 42 | // HandleProjectionEventTx is the transaction hook for records-owned group |
| 43 | // metadata and pins (9002 and 9010). The caller applies its records state and |
| 44 | // stores the accepted event from the same transaction; this package adds the |
| 45 | // durable projection intent after the side effect succeeds. |
| 46 | func (s *Service) HandleProjectionEventTx(ctx context.Context, tx *sql.Tx, ev event.Event, sideEffect func(*sql.Tx) error) error { |
| 47 | if ev.Kind != event.KIND_EDIT_METADATA && ev.Kind != event.KIND_PINS { |
| 48 | return fmt.Errorf("unsupported: projection event kind %d" , ev.Kind) |
| 49 | } |
| 50 | if sideEffect == nil { |
| 51 | return errors.New("community: nil projection side effect" ) |
| 52 | } |
| 53 | if err := sideEffect(tx); err != nil { |
| 54 | return err |
| 55 | } |
| 56 | return s.EnqueueProjectionTx(ctx, tx, ev) |
| 57 | } |
| 58 | |
| 59 | // MembershipResult describes a NIP-29/NIP-43 management event. Membership |
| 60 | // events are projected into community tables and are not themselves stored by |
| 61 | // this package; the relay decides whether to retain or fan them out. |
| 62 | type MembershipResult struct { |
| 63 | OK bool |
| 64 | Message string |
| 65 | Stored bool |
| 66 | // AccessRequest marks a join held for review; Message is its OK reason. |
| 67 | AccessRequest bool |
| 68 | // NewRequest reports that the request was not pending before, so the |
| 69 | // reviewers should be woken. A refresh of a pending request leaves it |
| 70 | // false. |
| 71 | NewRequest bool |
| 72 | } |
| 73 | |
| 74 | // HandleMembershipEventTx applies join/leave admission in a transaction owned |
| 75 | // by the service and invokes persist with that transaction. persist owns |
| 76 | // accepted-event storage; returning an error rolls back membership, the |
| 77 | // accepted event and queued projection work together. |
| 78 | func (s *Service) HandleMembershipEventTx(ctx context.Context, ev event.Event, persist func(*sql.Tx) error) (MembershipResult, error) { |
| 79 | if persist == nil { |
| 80 | return MembershipResult{}, errors.New("community: nil event persistence callback" ) |
| 81 | } |
| 82 | if ev.Kind != event.KIND_JOIN && ev.Kind != event.KIND_NIP43_JOIN && ev.Kind != event.KIND_LEAVE && ev.Kind != event.KIND_NIP43_LEAVE { |
| 83 | return MembershipResult{}, fmt.Errorf("unsupported: transactional membership event kind %d" , ev.Kind) |
| 84 | } |
| 85 | var out MembershipResult |
| 86 | err := s.store.WithTx(ctx, func(tx *sql.Tx) error { |
| 87 | var exists bool |
| 88 | if err := tx.QueryRowContext(ctx, `SELECT EXISTS(SELECT 1 FROM community_members WHERE pubkey=?)` , ev.PubKey).Scan(&exists); err != nil { |
| 89 | return err |
| 90 | } |
| 91 | if ev.Kind == event.KIND_LEAVE || ev.Kind == event.KIND_NIP43_LEAVE { |
| 92 | if ev.PubKey == s.owner { |
| 93 | return errors.New("restricted: the owner cannot leave" ) |
| 94 | } |
| 95 | if !exists { |
| 96 | if ev.Kind == event.KIND_NIP43_LEAVE { |
| 97 | out = MembershipResult{OK: true, Message: "duplicate: not a member" , Stored: false} |
| 98 | return nil |
| 99 | } |
| 100 | return errors.New("invalid: not a member" ) |
| 101 | } |
| 102 | if _, err := tx.ExecContext(ctx, `DELETE FROM community_members WHERE pubkey=?` , ev.PubKey); err != nil { |
| 103 | return err |
| 104 | } |
| 105 | out = MembershipResult{OK: true, Message: "info: access revoked" , Stored: ev.Kind == event.KIND_LEAVE} |
| 106 | } else { |
| 107 | if exists { |
| 108 | out = MembershipResult{OK: true, Message: "duplicate: already a member" , Stored: false} |
| 109 | return nil |
| 110 | } |
| 111 | if IsAccessRequest(ev) { |
| 112 | created, err := s.recordJoinRequestTx(ctx, tx, ev.PubKey, JoinReason(ev.Content)) |
| 113 | if err != nil { |
| 114 | return err |
| 115 | } |
| 116 | out = MembershipResult{OK: true, Message: JoinRequestReceived, AccessRequest: true, NewRequest: created} |
| 117 | return nil |
| 118 | } |
| 119 | claim := tagValue(ev, "code" ) |
| 120 | if ev.Kind == event.KIND_NIP43_JOIN { |
| 121 | claim = tagValue(ev, "claim" ) |
| 122 | } |
| 123 | if claim == "" { |
| 124 | if ev.Kind == event.KIND_NIP43_JOIN || s.currentPolicy().Writes != "open" { |
| 125 | return errors.New("restricted: a join request needs an invite claim" ) |
| 126 | } |
| 127 | if err := checkTerms(s.currentPolicy().JoinTerms, tagValue(ev, "terms" )); err != nil { |
| 128 | return err |
| 129 | } |
| 130 | if _, err := tx.ExecContext(ctx, `INSERT INTO community_members(pubkey,role,via,created_at) VALUES(?,?,?,?)` , ev.PubKey, "member" , "join" , now()); err != nil { |
| 131 | return err |
| 132 | } |
| 133 | } else { |
| 134 | var creator string |
| 135 | var exp int64 |
| 136 | var max, uses int |
| 137 | if err := tx.QueryRowContext(ctx, `SELECT created_by,expires_at,max_uses,uses FROM community_invites WHERE code=?` , claim).Scan(&creator, &exp, &max, &uses); errors.Is(err, sql.ErrNoRows) { |
| 138 | return errors.New("invite_invalid" ) |
| 139 | } else if err != nil { |
| 140 | return err |
| 141 | } |
| 142 | if exp < now() { |
| 143 | return errors.New("invite_expired" ) |
| 144 | } |
| 145 | if max > 0 && uses >= max { |
| 146 | return errors.New("invite_exhausted" ) |
| 147 | } |
| 148 | var creatorExists bool |
| 149 | if err := tx.QueryRowContext(ctx, `SELECT EXISTS(SELECT 1 FROM community_members WHERE pubkey=?)` , creator).Scan(&creatorExists); err != nil { |
| 150 | return err |
| 151 | } |
| 152 | if !creatorExists { |
| 153 | return errors.New("invite_revoked" ) |
| 154 | } |
| 155 | if err := checkTerms(s.currentPolicy().JoinTerms, tagValue(ev, "terms" )); err != nil { |
| 156 | return err |
| 157 | } |
| 158 | res, err := tx.ExecContext(ctx, `UPDATE community_invites SET uses=uses+1 WHERE code=? AND (max_uses=0 OR uses<max_uses)` , claim) |
| 159 | if err != nil { |
| 160 | return err |
| 161 | } |
| 162 | n, _ := res.RowsAffected() |
| 163 | if n != 1 { |
| 164 | return errors.New("invite_exhausted" ) |
| 165 | } |
| 166 | if _, err := tx.ExecContext(ctx, `INSERT INTO community_members(pubkey,role,invited_by,via,created_at) VALUES(?,?,?,?,?)` , ev.PubKey, "member" , creator, "invite " +claim, now()); err != nil { |
| 167 | return err |
| 168 | } |
| 169 | } |
| 170 | out = MembershipResult{OK: true, Message: "info: welcome" , Stored: ev.Kind == event.KIND_JOIN} |
| 171 | } |
| 172 | if err := s.EnqueueProjectionTx(ctx, tx, ev); err != nil { |
| 173 | return err |
| 174 | } |
| 175 | if out.Stored { |
| 176 | return persist(tx) |
| 177 | } |
| 178 | return nil |
| 179 | }) |
| 180 | return out, err |
| 181 | } |
| 182 | |
| 183 | // HandleModerationEventTx applies NIP-29 moderation side effects and lets the |
| 184 | // root store the accepted event in the same transaction. It covers put-user, |
| 185 | // remove-user, delete-event and create-invite. Metadata and pins are owned by |
| 186 | // records; roots should call EnqueueProjectionTx from their transaction. |
| 187 | func (s *Service) HandleModerationEventTx(ctx context.Context, ev event.Event, persist func(*sql.Tx) error) (MembershipResult, error) { |
| 188 | if persist == nil { |
| 189 | return MembershipResult{}, errors.New("community: nil event persistence callback" ) |
| 190 | } |
| 191 | if ev.Kind != event.KIND_PUT_USER && ev.Kind != event.KIND_REMOVE_USER && ev.Kind != event.KIND_DELETE_EVENT && ev.Kind != event.KIND_CREATE_INVITE { |
| 192 | return MembershipResult{}, fmt.Errorf("unsupported: transactional moderation event kind %d" , ev.Kind) |
| 193 | } |
| 194 | role, err := s.Role(ctx, ev.PubKey) |
| 195 | if err != nil { |
| 196 | return MembershipResult{}, err |
| 197 | } |
| 198 | if role != "owner" && role != "moderator" && !(ev.Kind == event.KIND_CREATE_INVITE && role == "member" ) { |
| 199 | return MembershipResult{}, errors.New("restricted: not a group admin" ) |
| 200 | } |
| 201 | var out MembershipResult |
| 202 | err = s.store.WithTx(ctx, func(tx *sql.Tx) error { |
| 203 | target := tagValue(ev, "p" ) |
| 204 | switch ev.Kind { |
| 205 | case event.KIND_PUT_USER, event.KIND_REMOVE_USER: |
| 206 | if !validPubKey(target) { |
| 207 | return errors.New("invalid: membership event needs a p tag" ) |
| 208 | } |
| 209 | if target == s.owner { |
| 210 | return errors.New("invalid: the owner role cannot change" ) |
| 211 | } |
| 212 | var old string |
| 213 | _ = tx.QueryRowContext(ctx, `SELECT role FROM community_members WHERE pubkey=?` , target).Scan(&old) |
| 214 | if old == "moderator" && role != "owner" { |
| 215 | return errors.New("restricted: only the owner changes moderators" ) |
| 216 | } |
| 217 | if ev.Kind == event.KIND_REMOVE_USER { |
| 218 | if _, err := tx.ExecContext(ctx, `DELETE FROM community_members WHERE pubkey=?` , target); err != nil { |
| 219 | return err |
| 220 | } |
| 221 | } else { |
| 222 | wantsMod := false |
| 223 | for _, tag := range ev.Tags { |
| 224 | if len(tag) > 2 && tag[0] == "p" && tag[1] == target && tag[2] == "moderator" { |
| 225 | wantsMod = true |
| 226 | } |
| 227 | } |
| 228 | if wantsMod && role != "owner" { |
| 229 | return errors.New("restricted: only the owner appoints moderators" ) |
| 230 | } |
| 231 | next := "member" |
| 232 | if wantsMod { |
| 233 | next = "moderator" |
| 234 | } |
| 235 | if _, err := tx.ExecContext(ctx, `INSERT INTO community_members(pubkey,role,via,created_at) VALUES(?,?,?,?) ON CONFLICT(pubkey) DO UPDATE SET role=excluded.role` , target, next, "put-user" , now()); err != nil { |
| 236 | return err |
| 237 | } |
| 238 | } |
| 239 | case event.KIND_DELETE_EVENT: |
| 240 | ids := []string{} |
| 241 | for _, tag := range ev.Tags { |
| 242 | if len(tag) > 1 && tag[0] == "e" && validPubKey(tag[1]) { |
| 243 | ids = append(ids, tag[1]) |
| 244 | } |
| 245 | } |
| 246 | if len(ids) == 0 { |
| 247 | return errors.New("invalid: delete-event needs an e tag" ) |
| 248 | } |
| 249 | for _, id := range ids { |
| 250 | if _, err := tx.ExecContext(ctx, `DELETE FROM events WHERE id=?` , id); err != nil { |
| 251 | return err |
| 252 | } |
| 253 | } |
| 254 | case event.KIND_CREATE_INVITE: |
| 255 | if role == "member" { |
| 256 | if reason := s.memberInviteGateTx(ctx, tx, ev.PubKey); reason != "" { |
| 257 | return errors.New(reason) |
| 258 | } |
| 259 | } |
| 260 | code := tagValue(ev, "code" ) |
| 261 | if code == "" { |
| 262 | var e error |
| 263 | code, e = token() |
| 264 | if e != nil { |
| 265 | return e |
| 266 | } |
| 267 | } else if !codeRE.MatchString(code) { |
| 268 | return errors.New("invalid: invite code" ) |
| 269 | } |
| 270 | if _, err := tx.ExecContext(ctx, `INSERT INTO community_invites(code,created_by,created_at,expires_at,max_uses,note) VALUES(?,?,?,?,?,?)` , code, ev.PubKey, now(), now()+3*86400, 0, ev.Content[:min(200, len(ev.Content))]); err != nil { |
| 271 | return err |
| 272 | } |
| 273 | } |
| 274 | if err := s.EnqueueProjectionTx(ctx, tx, ev); err != nil { |
| 275 | return err |
| 276 | } |
| 277 | out = MembershipResult{OK: true, Stored: true} |
| 278 | return persist(tx) |
| 279 | }) |
| 280 | return out, err |
| 281 | } |
| 282 | |
| 283 | // OnMembershipApplied ignores fn. Projection refresh uses durable |
| 284 | // records-projection work intents. |
| 285 | func (s *Service) OnMembershipApplied(fn func(event.Event)) { |
| 286 | _ = fn |
| 287 | } |
| 288 | |
| 289 | // HandleMembershipEvent applies the NIP-29 group management subset and the |
| 290 | // NIP-43 join/leave requests. The relay's group id is checked by the caller; |
| 291 | // this service only owns membership and moderation state. |
| 292 | func (s *Service) HandleMembershipEvent(ctx context.Context, ev event.Event) (MembershipResult, error) { |
| 293 | if ev.PubKey == "" || !validPubKey(ev.PubKey) { |
| 294 | return MembershipResult{}, errors.New("invalid: event pubkey" ) |
| 295 | } |
| 296 | var result MembershipResult |
| 297 | switch ev.Kind { |
| 298 | case event.KIND_JOIN, event.KIND_NIP43_JOIN: |
| 299 | if IsAccessRequest(ev) { |
| 300 | if role, err := s.Role(ctx, ev.PubKey); err != nil { |
| 301 | return MembershipResult{}, err |
| 302 | } else if role != "" { |
| 303 | return MembershipResult{OK: true, Message: "duplicate: already a member" , Stored: false}, nil |
| 304 | } |
| 305 | created, err := s.RecordJoinRequest(ctx, ev.PubKey, JoinReason(ev.Content)) |
| 306 | if err != nil { |
| 307 | return MembershipResult{}, err |
| 308 | } |
| 309 | return MembershipResult{OK: true, Message: JoinRequestReceived, AccessRequest: true, NewRequest: created}, nil |
| 310 | } |
| 311 | claim := tagValue(ev, "code" ) |
| 312 | if ev.Kind == event.KIND_NIP43_JOIN { |
| 313 | claim = tagValue(ev, "claim" ) |
| 314 | } |
| 315 | terms := tagValue(ev, "terms" ) |
| 316 | if claim == "" { |
| 317 | if ev.Kind == event.KIND_NIP43_JOIN || s.currentPolicy().Writes != "open" { |
| 318 | return MembershipResult{}, errors.New("restricted: a join request needs an invite claim" ) |
| 319 | } |
| 320 | if s.currentPolicy().JoinTerms != "" { |
| 321 | sum := sha256.Sum256([]byte(s.currentPolicy().JoinTerms)) |
| 322 | if !strings.EqualFold(hex.EncodeToString(sum[:]), terms) { |
| 323 | return MembershipResult{}, errors.New("terms_mismatch" ) |
| 324 | } |
| 325 | } |
| 326 | if _, err := s.setMember(ctx, ev.PubKey, []json.RawMessage{mustJSON(ev.PubKey), mustJSON(map[string]any{"role" : "member" , "via" : "join" })}); err != nil { |
| 327 | return MembershipResult{}, err |
| 328 | } |
| 329 | result = MembershipResult{OK: true, Stored: ev.Kind == event.KIND_JOIN} |
| 330 | break |
| 331 | } |
| 332 | if _, err := s.ClaimWithTerms(ctx, claim, ev.PubKey, terms); err != nil { |
| 333 | return MembershipResult{}, err |
| 334 | } |
| 335 | result = MembershipResult{OK: true, Message: "info: welcome" , Stored: ev.Kind == event.KIND_JOIN} |
| 336 | case event.KIND_LEAVE, event.KIND_NIP43_LEAVE: |
| 337 | if ev.PubKey == s.owner { |
| 338 | return MembershipResult{}, errors.New("restricted: the owner cannot leave" ) |
| 339 | } |
| 340 | if role, _ := s.Role(ctx, ev.PubKey); role == "" { |
| 341 | if ev.Kind == event.KIND_NIP43_LEAVE { |
| 342 | return MembershipResult{OK: true, Message: "duplicate: not a member" , Stored: false}, nil |
| 343 | } |
| 344 | return MembershipResult{}, errors.New("invalid: not a member" ) |
| 345 | } |
| 346 | res, err := s.removeMember(ctx, ev.PubKey, []json.RawMessage{mustJSON(ev.PubKey)}) |
| 347 | if err != nil { |
| 348 | return MembershipResult{}, err |
| 349 | } |
| 350 | _ = res |
| 351 | result = MembershipResult{OK: true, Message: "info: access revoked" , Stored: ev.Kind == event.KIND_LEAVE} |
| 352 | case event.KIND_PUT_USER, event.KIND_REMOVE_USER, event.KIND_EDIT_METADATA, event.KIND_DELETE_EVENT, event.KIND_CREATE_INVITE, event.KIND_PINS: |
| 353 | result, _ = s.handleModerationEvent(ctx, ev) |
| 354 | default: |
| 355 | return MembershipResult{}, fmt.Errorf("unsupported: membership event kind %d" , ev.Kind) |
| 356 | } |
| 357 | return result, nil |
| 358 | } |
| 359 | |
| 360 | func tagValue(ev event.Event, name string) string { |
| 361 | for _, tag := range ev.Tags { |
| 362 | if len(tag) > 1 && tag[0] == name { |
| 363 | return tag[1] |
| 364 | } |
| 365 | } |
| 366 | return "" |
| 367 | } |
| 368 | |
| 369 | func checkTerms(terms, supplied string) error { |
| 370 | if terms == "" { |
| 371 | return nil |
| 372 | } |
| 373 | sum := sha256.Sum256([]byte(terms)) |
| 374 | if !strings.EqualFold(hex.EncodeToString(sum[:]), supplied) { |
| 375 | return errors.New("terms_mismatch" ) |
| 376 | } |
| 377 | return nil |
| 378 | } |
| 379 | |
| 380 | func (s *Service) handleModerationEvent(ctx context.Context, ev event.Event) (MembershipResult, error) { |
| 381 | role, err := s.Role(ctx, ev.PubKey) |
| 382 | if err != nil { |
| 383 | return MembershipResult{}, err |
| 384 | } |
| 385 | if role != "owner" && role != "moderator" { |
| 386 | return MembershipResult{}, errors.New("restricted: not a group admin" ) |
| 387 | } |
| 388 | target := tagValue(ev, "p" ) |
| 389 | if ev.Kind == event.KIND_PUT_USER || ev.Kind == event.KIND_REMOVE_USER { |
| 390 | if !validPubKey(target) { |
| 391 | return MembershipResult{}, errors.New("invalid: membership event needs a p tag" ) |
| 392 | } |
| 393 | if target == s.owner { |
| 394 | return MembershipResult{}, errors.New("invalid: the owner role cannot change" ) |
| 395 | } |
| 396 | old, _ := s.Role(ctx, target) |
| 397 | if old == "moderator" && role != "owner" { |
| 398 | return MembershipResult{}, errors.New("restricted: only the owner changes moderators" ) |
| 399 | } |
| 400 | if ev.Kind == event.KIND_REMOVE_USER { |
| 401 | if _, err := s.removeMember(ctx, target, []json.RawMessage{mustJSON(target)}); err != nil { |
| 402 | return MembershipResult{}, err |
| 403 | } |
| 404 | } else { |
| 405 | wantsMod := false |
| 406 | for _, tag := range ev.Tags { |
| 407 | if len(tag) > 2 && tag[0] == "p" && tag[1] == target && tag[2] == "moderator" { |
| 408 | wantsMod = true |
| 409 | } |
| 410 | } |
| 411 | if wantsMod && role != "owner" { |
| 412 | return MembershipResult{}, errors.New("restricted: only the owner appoints moderators" ) |
| 413 | } |
| 414 | memberRole := "member" |
| 415 | if wantsMod { |
| 416 | memberRole = "moderator" |
| 417 | } |
| 418 | if _, err := s.setMember(ctx, ev.PubKey, []json.RawMessage{mustJSON(target), mustJSON(map[string]any{"role" : memberRole, "via" : "put-user" })}); err != nil { |
| 419 | return MembershipResult{}, err |
| 420 | } |
| 421 | } |
| 422 | return MembershipResult{OK: true, Stored: true}, nil |
| 423 | } |
| 424 | if ev.Kind == event.KIND_CREATE_INVITE { |
| 425 | _, err := s.createInvite(ctx, ev.PubKey, []json.RawMessage{mustJSON(int64(0)), mustJSON(0), mustJSON(ev.Content)}, false) |
| 426 | if err != nil { |
| 427 | return MembershipResult{}, err |
| 428 | } |
| 429 | return MembershipResult{OK: true, Stored: true}, nil |
| 430 | } |
| 431 | if ev.Kind == event.KIND_DELETE_EVENT { |
| 432 | ids := []string{} |
| 433 | for _, tag := range ev.Tags { |
| 434 | if len(tag) > 1 && tag[0] == "e" && validPubKey(tag[1]) { |
| 435 | ids = append(ids, tag[1]) |
| 436 | } |
| 437 | } |
| 438 | if len(ids) == 0 { |
| 439 | return MembershipResult{}, errors.New("invalid: delete-event needs an e tag" ) |
| 440 | } |
| 441 | if err := s.store.WithTx(ctx, func(tx *sql.Tx) error { |
| 442 | for _, id := range ids { |
| 443 | if _, err := tx.ExecContext(ctx, `DELETE FROM events WHERE id=?` , id); err != nil { |
| 444 | return err |
| 445 | } |
| 446 | } |
| 447 | return s.recordTx(ctx, tx, ev.PubKey, "delete-event" , strings.Join(ids, "," ), "" ) |
| 448 | }); err != nil { |
| 449 | return MembershipResult{}, err |
| 450 | } |
| 451 | return MembershipResult{OK: true, Stored: true}, nil |
| 452 | } |
| 453 | if ev.Kind == event.KIND_EDIT_METADATA || ev.Kind == event.KIND_PINS { |
| 454 | return MembershipResult{}, errors.New("unsupported: metadata projection is owned by relay root" ) |
| 455 | } |
| 456 | return MembershipResult{}, fmt.Errorf("unsupported: membership event kind %d" , ev.Kind) |
| 457 | } |
| 458 | |
| 459 | func mustJSON(v any) json.RawMessage { |
| 460 | b, _ := json.Marshal(v) |
| 461 | return b |
| 462 | } |