*Update dist

dist/DHTDataBase.d.ts.map

@@ -1 +1 @@
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+{"version":3,"file":"DHTDataBase.d.ts","sourceRoot":"","sources":["../src/DHTDataBase.ts"],"names":[],"mappings":";;AAAA,OAAO,YAAY,MAAM,QAAQ,CAAC;AAiBlC,MAAM,CAAC,OAAO,OAAO,WAAY,SAAQ,YAAY;IACnD,SAAS,CAAC,KAAK,EAAE,GAAG,CAAC;IACrB,OAAO,CAAC,EAAE,CAAS;IACnB,OAAO,CAAC,YAAY,CAAU;IAC9B,OAAO,CAAC,KAAK,CAAM;IACnB,OAAO,CAAC,WAAW,CAAW;gBAElB,EAAE,EAAE,MAAM,EAAE,EAAE,KAAK,EAAE,GAAE;QAAE,KAAK,CAAC,EAAE,GAAG,CAAA;KAAO;IAavD,OAAO,CAAC,KAAK,CAAK;IAElB,IAAI,IAAI,IAAI,EAAE,CAEb;IAED,IAAI,IAAI,CAAC,KAAK,EAAE,EAAE,EAcjB;IAED,OAAO,CAAC,OAAO,CAAW;IAE1B,IAAI,MAAM,IAAI,MAAM,EAAE,CAErB;IAED,SAAS,CAAC,IAAI,EAAE,GAAG,EAAE,GAAG,CAAC,EAAE,MAAM;IAIjC,UAAU,CAAC,EAAE,EAAE,MAAM,GAAG,MAAM;IAI9B,YAAY,CAAC,EAAE,EAAE,MAAM,GAAG,MAAM,EAAE,KAAK,EAAE,MAAM;IAI/C,WAAW,CAAC,EAAE,EAAE,MAAM,GAAG,MAAM;IAI/B,gBAAgB,CAAC,EAAE,EAAE,MAAM,GAAG,MAAM;IAIpC,gBAAgB,CAAC,EAAE,EAAE,MAAM,GAAG,MAAM;IAIpC,SAAS,CAAC,SAAS,CAAC,EAAE,EAAE,MAAM;IAqC9B,SAAS,CAAC,YAAY,CAAC,EAAE,EAAE,MAAM;IAiBjC,SAAS,CAAC,cAAc,CAAC,OAAO,EAAE,MAAM,EAAE,EAAE,EAAE,MAAM;IA2DpD,OAAO,CAAC,cAAc;IAmBtB,OAAO,CAAC,YAAY;IAIpB,OAAO,CAAC,QAAQ;IAahB,OAAO,CAAC,WAAW;IAOnB,OAAO,CAAC,kBAAkB;IAY1B,OAAO,CAAC,qBAAqB;IAa7B,OAAO,CAAC,cAAc;IAgDtB,OAAO,CAAC,iBAAiB;IAgBzB,OAAO,CAAC,YAAY;IAwBpB,OAAO,CAAC,YAAY;CAOrB"}

dist/DHTDataBase.js

@@ -113,6 +113,10 @@ class DHTDataBase extends events_1.default {
             const { data: rawData, timestamp, signature } = decoded;
             if (signature &&
                 hypercore_crypto_1.default.verify(b4a_1.default.from(`${timestamp}${rawData}`), signature, id)) {
+                if ((timestamp || 0) <= this.getPeerTimestamp(id)) {
+                    (0, debug_1.default)(`Received old data for peer ${id}`);
+                    return;
+                }
                 const data = rawData ? ordered_json_1.default.parse(rawData) : null;
                 this._setPeer(id, data, timestamp, signature);
                 this.emit("peer-data", data, id);
@@ -201,17 +205,23 @@ class DHTDataBase extends events_1.default {
                 continue;
             }
             if (signature &&
-                hypercore_crypto_1.default.verify(b4a_1.default.from(`${timestamp}${data}`), signature, b4a_1.default.from(id))) {
+                hypercore_crypto_1.default.verify(b4a_1.default.from(`${timestamp}${data}`), signature, b4a_1.default.from(id, "hex"))) {
                 const parsedData = data ? ordered_json_1.default.parse(data) : null;
                 let peerData = parsedData || {};
                 // If we're already tracking them
                 if (this._hasSeenPeer(id)) {
+                    // Ensure we don't have old data
+                    if ((timestamp || 0) > this.getPeerTimestamp(id)) {
                         // See what data we already have for them
                         // Add their existing data to what we got from the bootstrap
                         const existingPeerData = this.getPeerData(id);
                         peerData = { ...existingPeerData, ...peerData };
                         this._setPeer(id, peerData, timestamp, signature);
                     }
+                    else {
+                        (0, debug_1.default)(`Received old data for peer ${id}`);
+                    }
+                }
             }
             else {
                 (0, debug_1.default)(`Invalid signature received for peer ${id}`);

src/DHTDataBase.ts

@@ -78,6 +78,7 @@ export default class DHTDataBase extends EventEmitter {
   getPeerData(id: Buffer | string) {
     return this.getPeerField(id, "data");
   }
+
   getPeerTimestamp(id: Buffer | string) {
     return this.getPeerField(id, "timestamp");
   }
@@ -159,12 +160,18 @@ export default class DHTDataBase extends EventEmitter {
         signature &&
         crypto.verify(b4a.from(`${timestamp}${rawData}`), signature, id)
       ) {
+        if ((timestamp || 0) <= this.getPeerTimestamp(id)) {
+          debug(`Received old data for peer ${id}`);
+          return;
+        }
+
         const data = rawData ? orderedJSON.parse(rawData) : null;
         this._setPeer(id, data, timestamp, signature);
         this.emit("peer-data", data, id);
         this._recalculate();
         return;
       }
+
       debug(`Invalid signature received for peer ${id}`);
     } else if (type === Type.CONNECTED) {
       const { id: toId } = decoded;
@@ -274,18 +281,27 @@ export default class DHTDataBase extends EventEmitter {
 
       if (
         signature &&
-        crypto.verify(b4a.from(`${timestamp}${data}`), signature, b4a.from(id))
+        crypto.verify(
+          b4a.from(`${timestamp}${data}`),
+          signature,
+          b4a.from(id, "hex")
+        )
       ) {
         const parsedData = data ? orderedJSON.parse(data) : null;
         let peerData = parsedData || {};
 
         // If we're already tracking them
         if (this._hasSeenPeer(id)) {
+          // Ensure we don't have old data
+          if ((timestamp || 0) > this.getPeerTimestamp(id)) {
             // See what data we already have for them
             // Add their existing data to what we got from the bootstrap
             const existingPeerData = this.getPeerData(id);
             peerData = { ...existingPeerData, ...peerData };
             this._setPeer(id, peerData, timestamp, signature);
+          } else {
+            debug(`Received old data for peer ${id}`);
+          }
         }
       } else {
         debug(`Invalid signature received for peer ${id}`);

test.js

@@ -3,7 +3,7 @@ const test = require("tape");
 const Hyperswarm = require("hyperswarm");
 const sodium = require("sodium-universal");
 const b4a = require("b4a");
-const { default: DHTOnline } = require("./");
+const { default: DHTData } = require("./");
 const crypto = require("crypto");
 const topicName = crypto.randomBytes(10);
 const topic = b4a.allocUnsafe(32);
@@ -19,8 +19,8 @@ test("Basic presence test  / data propagation", (t) => {
     const peer1 = peers.shift();
     const peer2 = peers.shift();
 
-    const p1 = new DHTOnline(peer1);
+    const p1 = new DHTData(peer1);
-    const p2 = new DHTOnline(peer2);
+    const p2 = new DHTData(peer2);
 
     p1.data = { message: "Hello" };
     p2.data = { message: "World!" };