Manage expired channels

www/common/outer/chainpad-netflux-worker.js

@@ -33,6 +33,7 @@ define([], function () {
         var onLeave = conf.onLeave;
         var onReady = conf.onReady;
         var onDisconnect = conf.onDisconnect;
+        var onError = conf.onError;
         var owners = conf.owners;
         var password = conf.password;
         var expire = conf.expire;
@@ -44,6 +45,17 @@ define([], function () {
 
         var messageFromOuter = function () {};
 
+        var error = function (err, wc) {
+            if (onError) {
+                onError({
+                    type: err,
+                    loaded: !initializing
+                });
+                if (wc && (err === "EEXPIRED" || err === "EDELETED")) { wc.leave(); }
+            }
+            else { console.error(err); }
+        };
+
         var onRdy = function (padData) {
             // Trigger onReady only if not ready yet. This is important because the history keeper sends a direct
             // message through "network" when it is synced, and it triggers onReady for each channel joined.
@@ -96,11 +108,17 @@ define([], function () {
             if (peer === hk) {
                 // if the peer is the 'history keeper', extract their message
                 var parsed1 = JSON.parse(msg);
+                // First check if it is an error message (EXPIRED/DELETED)
+                if (parsed1.channel === wc.id && parsed1.error) {
+                    return void error(parsed1.error, wc);
+                }
+
                 msg = parsed1[4];
                 // Check that this is a message for our channel
                 if (parsed1[3] !== wc.id) { return; }
             }
 
+
             lastKnownHash = msg.slice(0,64);
             var message = msgIn(peer, msg);
 
@@ -177,7 +195,12 @@ define([], function () {
                 };
                 var msg = ['GET_HISTORY', wc.id, cfg];
                 // Add the validateKey if we are the channel creator and we have a validateKey
-                if (hk) { network.sendto(hk, JSON.stringify(msg)); }
+                if (hk) {
+                    network.sendto(hk, JSON.stringify(msg)).then(function () {
+                    }, function (err) {
+                        console.error(err);
+                    });
+                }
             } else {
                 onRdy();
             }
@@ -204,8 +227,8 @@ define([], function () {
             // join the netflux network, promise to handle opening of the channel
             network.join(channel || null).then(function(wc) {
                 onOpen(wc, network, firstConnection);
-            }, function(error) {
-                console.error(error);
+            }, function(err) {
+                console.error(err);
             });
         };