NIP-11: make relay info configurable

- Add relay config section (name, description, pubkey, contact, icon)
- Wire config to NIP-11 handler
- AuthRequired/RestrictedWrites now reflect actual auth config
- Add NIP-42 to supported_nips list
- Update example config

2 files changed, 63 insertions, 20 deletions

diff --git a/internal/handler/websocket/handler.go b/internal/handler/websocket/handler.go
index 6eb8763..b11171d 100644
--- a/internal/handler/websocket/handler.go
+++ b/internal/handler/websocket/handler.go
@@ -49,6 +49,14 @@ type AuthConfig struct {
         WriteAllowedPubkeys []string
 }
 
+type RelayInfoConfig struct {
+        Name        string
+        Description string
+        Pubkey      string
+        Contact     string
+        Icon        string
+}
+
 type connState struct {
         authenticatedPubkey string
         authChallenge       string
@@ -56,13 +64,14 @@ type connState struct {
 }
 
 type Handler struct {
-        store      EventStore
-        auth       AuthStore
-        subs       *subscription.Manager
-        metrics    MetricsRecorder
-        limiter    RateLimiter
-        authConfig *AuthConfig
-        indexData  IndexData
+        store       EventStore
+        auth        AuthStore
+        subs        *subscription.Manager
+        metrics     MetricsRecorder
+        limiter     RateLimiter
+        authConfig  *AuthConfig
+        relayConfig *RelayInfoConfig
+        indexData   IndexData
 }
 
 func NewHandler(store EventStore, subs *subscription.Manager) *Handler {
@@ -88,6 +97,10 @@ func (h *Handler) SetAuthConfig(cfg *AuthConfig) {
         h.authConfig = cfg
 }
 
+func (h *Handler) SetRelayConfig(cfg *RelayInfoConfig) {
+        h.relayConfig = cfg
+}
+
 // SetIndexData sets the addresses for the index page
 func (h *Handler) SetIndexData(grpcAddr, httpAddr, wsAddr string) {
         h.indexData = IndexData{
diff --git a/internal/handler/websocket/nip11.go b/internal/handler/websocket/nip11.go
index 8de95a2..f51faa6 100644
--- a/internal/handler/websocket/nip11.go
+++ b/internal/handler/websocket/nip11.go
@@ -6,14 +6,15 @@ import (
 )
 
 type RelayInfo struct {
-        Name          string   `json:"name"`
-        Description   string   `json:"description"`
-        Pubkey        string   `json:"pubkey,omitempty"`
-        Contact       string   `json:"contact,omitempty"`
-        SupportedNIPs []int    `json:"supported_nips"`
-        Software      string   `json:"software"`
-        Version       string   `json:"version"`
-        Limitation    *Limits  `json:"limitation,omitempty"`
+        Name          string  `json:"name"`
+        Description   string  `json:"description"`
+        Pubkey        string  `json:"pubkey,omitempty"`
+        Contact       string  `json:"contact,omitempty"`
+        Icon          string  `json:"icon,omitempty"`
+        SupportedNIPs []int   `json:"supported_nips"`
+        Software      string  `json:"software"`
+        Version       string  `json:"version"`
+        Limitation    *Limits `json:"limitation,omitempty"`
 }
 
 type Limits struct {
@@ -31,10 +32,39 @@ type Limits struct {
 }
 
 func (h *Handler) ServeNIP11(w http.ResponseWriter, r *http.Request) {
+        // Defaults
+        name := "muxstr relay"
+        description := "High-performance Nostr relay with gRPC, Connect, and WebSocket support"
+        var pubkey, contact, icon string
+
+        // Override from config if set
+        if h.relayConfig != nil {
+                if h.relayConfig.Name != "" {
+                        name = h.relayConfig.Name
+                }
+                if h.relayConfig.Description != "" {
+                        description = h.relayConfig.Description
+                }
+                pubkey = h.relayConfig.Pubkey
+                contact = h.relayConfig.Contact
+                icon = h.relayConfig.Icon
+        }
+
+        // Determine auth status from authConfig
+        authRequired := false
+        restrictedWrites := false
+        if h.authConfig != nil {
+                authRequired = h.authConfig.ReadEnabled
+                restrictedWrites = h.authConfig.WriteEnabled
+        }
+
         info := RelayInfo{
-                Name:          "muxstr relay",
-                Description:   "High-performance Nostr relay with gRPC, Connect, and WebSocket support",
-                SupportedNIPs: []int{1, 9, 11},
+                Name:          name,
+                Description:   description,
+                Pubkey:        pubkey,
+                Contact:       contact,
+                Icon:          icon,
+                SupportedNIPs: []int{1, 9, 11, 42},
                 Software:      "northwest.io/muxstr",
                 Version:       "0.1.0",
                 Limitation: &Limits{
@@ -45,9 +75,9 @@ func (h *Handler) ServeNIP11(w http.ResponseWriter, r *http.Request) {
                         MaxSubidLength:   64,
                         MaxEventTags:     2000,
                         MaxContentLength: 65536,
-                        AuthRequired:     false,
+                        AuthRequired:     authRequired,
                         PaymentRequired:  false,
-                        RestrictedWrites: false,
+                        RestrictedWrites: restrictedWrites,
                 },
         }