Update README: Remove custom peer ID documentation

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Co-Authored-By: Claude <noreply@anthropic.com>

README.md

@@ -53,16 +53,7 @@ Health check endpoint with version
 #### `POST /register`
 Register a new peer and receive credentials (peerId + secret)
 
-**Request (optional):**
-```json
-{
-  "peerId": "my-custom-peer-id"
-}
-```
-
-**Notes:**
-- `peerId` (optional): Custom peer ID (1-128 characters). If not provided, a random ID will be generated.
-- Returns 409 Conflict if the custom peer ID is already in use.
+Generates a cryptographically random 128-bit peer ID.
 
 **Response:**
 ```json
@@ -111,7 +102,8 @@ Find offers by topic with optional bloom filter exclusion
       "topics": ["movie-xyz", "hd-content"],
       "expiresAt": 1234567890,
       "lastSeen": 1234567890,
-      "hasSecret": true  // Indicates if secret is required to answer
+      "hasSecret": true,  // Indicates if secret is required to answer
+      "info": "Looking for peers in EU region"  // Public info field (optional)
     }
   ],
   "total": 42,
@@ -121,6 +113,7 @@ Find offers by topic with optional bloom filter exclusion
 
 **Notes:**
 - `hasSecret`: Boolean flag indicating whether a secret is required to answer this offer. The actual secret is never exposed in public endpoints.
+- `info`: Optional public metadata field (max 128 characters) visible to all peers.
 
 #### `GET /peers/:peerId/offers`
 View all offers from a specific peer
@@ -140,7 +133,8 @@ Create one or more offers
       "sdp": "v=0...",
       "topics": ["movie-xyz", "hd-content"],
       "ttl": 300000,
-      "secret": "my-secret-password"  // Optional: protect offer (max 128 chars)
+      "secret": "my-secret-password",  // Optional: protect offer (max 128 chars)
+      "info": "Looking for peers in EU region"  // Optional: public info (max 128 chars)
     }
   ]
 }
@@ -148,6 +142,7 @@ Create one or more offers
 
 **Notes:**
 - `secret` (optional): Protect the offer with a secret. Answerers must provide the correct secret to connect.
+- `info` (optional): Public metadata visible to all peers (max 128 characters). Useful for describing the offer or connection requirements.
 
 #### `GET /offers/mine`
 List all offers owned by authenticated peer

package-lock.json

@@ -1,12 +1,12 @@
 {
   "name": "@xtr-dev/rondevu-server",
-  "version": "0.1.3",
+  "version": "0.1.4",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "@xtr-dev/rondevu-server",
-      "version": "0.1.3",
+      "version": "0.1.4",
       "dependencies": {
         "@hono/node-server": "^1.19.6",
         "better-sqlite3": "^12.4.1",

package.json

@@ -1,6 +1,6 @@
 {
   "name": "@xtr-dev/rondevu-server",
-  "version": "0.1.3",
+  "version": "0.1.5",
   "description": "Topic-based peer discovery and signaling server for distributed P2P applications",
   "main": "dist/index.js",
   "scripts": {

src/app.ts

@@ -64,37 +64,12 @@ export function createApp(storage: Storage, config: Config) {
   /**
    * POST /register
    * Register a new peer and receive credentials
-   * Accepts optional peerId in request body for custom peer IDs
+   * Generates a cryptographically random peer ID (128-bit)
    */
   app.post('/register', async (c) => {
     try {
-      let peerId: string;
-
-      // Check if custom peer ID is provided
-      const body = await c.req.json().catch(() => ({}));
-      const customPeerId = body.peerId;
-
-      if (customPeerId !== undefined) {
-        // Validate custom peer ID
-        if (typeof customPeerId !== 'string' || customPeerId.length === 0) {
-          return c.json({ error: 'Peer ID must be a non-empty string' }, 400);
-        }
-
-        if (customPeerId.length > 128) {
-          return c.json({ error: 'Peer ID must be 128 characters or less' }, 400);
-        }
-
-        // Check if peer ID is already in use by checking for active offers
-        const existingOffers = await storage.getOffersByPeerId(customPeerId);
-        if (existingOffers.length > 0) {
-          return c.json({ error: 'Peer ID is already in use' }, 409);
-        }
-
-        peerId = customPeerId;
-      } else {
-        // Generate new peer ID
-        peerId = generatePeerId();
-      }
+      // Always generate a random peer ID
+      const peerId = generatePeerId();
 
       // Encrypt peer ID with server secret (async operation)
       const secret = await encryptPeerId(peerId, config.authSecret);
@@ -151,6 +126,16 @@ export function createApp(storage: Storage, config: Config) {
           }
         }
 
+        // Validate info if provided
+        if (offer.info !== undefined) {
+          if (typeof offer.info !== 'string') {
+            return c.json({ error: 'Info must be a string' }, 400);
+          }
+          if (offer.info.length > 128) {
+            return c.json({ error: 'Info must be 128 characters or less' }, 400);
+          }
+        }
+
         // Validate topics
         if (!Array.isArray(offer.topics) || offer.topics.length === 0) {
           return c.json({ error: 'Each offer must have a non-empty topics array' }, 400);
@@ -182,6 +167,7 @@ export function createApp(storage: Storage, config: Config) {
           topics: offer.topics,
           expiresAt: Date.now() + ttl,
           secret: offer.secret,
+          info: offer.info,
         });
       }
 
@@ -254,7 +240,8 @@ export function createApp(storage: Storage, config: Config) {
           topics: o.topics,
           expiresAt: o.expiresAt,
           lastSeen: o.lastSeen,
-          hasSecret: !!o.secret  // Indicate if secret is required without exposing it
+          hasSecret: !!o.secret,  // Indicate if secret is required without exposing it
+          info: o.info  // Public info field
         })),
         total: bloomParam ? total + excludePeerIds.length : total,
         returned: offers.length
@@ -321,7 +308,8 @@ export function createApp(storage: Storage, config: Config) {
           topics: o.topics,
           expiresAt: o.expiresAt,
           lastSeen: o.lastSeen,
-          hasSecret: !!o.secret  // Indicate if secret is required without exposing it
+          hasSecret: !!o.secret,  // Indicate if secret is required without exposing it
+          info: o.info  // Public info field
         })),
         topics: Array.from(topicsSet)
       }, 200);
@@ -351,6 +339,7 @@ export function createApp(storage: Storage, config: Config) {
           expiresAt: o.expiresAt,
           lastSeen: o.lastSeen,
           secret: o.secret,  // Owner can see the secret
+          info: o.info,  // Owner can see the info
           answererPeerId: o.answererPeerId,
           answeredAt: o.answeredAt
         }))

src/storage/types.ts

@@ -10,6 +10,7 @@ export interface Offer {
   expiresAt: number;
   lastSeen: number;
   secret?: string;
+  info?: string;
   answererPeerId?: string;
   answerSdp?: string;
   answeredAt?: number;
@@ -46,6 +47,7 @@ export interface CreateOfferRequest {
   topics: string[];
   expiresAt: number;
   secret?: string;
+  info?: string;
 }
 
 /**