move to chainpad version 2

www/common/chainpad.js

@@ -435,38 +435,20 @@ var REGISTER     = Message.REGISTER     = 0;
 var REGISTER_ACK = Message.REGISTER_ACK = 1;
 var PATCH        = Message.PATCH        = 2;
 var DISCONNECT   = Message.DISCONNECT   = 3;
-var PING         = Message.PING         = 4;
-var PONG         = Message.PONG         = 5;
 
 var check = Message.check = function(msg) {
     Common.assert(msg.type === 'Message');
-    Common.assert(typeof(msg.userName) === 'string');
-    Common.assert(typeof(msg.authToken) === 'string');
-    Common.assert(typeof(msg.channelId) === 'string');
-
     if (msg.messageType === PATCH) {
         Patch.check(msg.content);
         Common.assert(typeof(msg.lastMsgHash) === 'string');
-    } else if (msg.messageType === PING || msg.messageType === PONG) {
-        Common.assert(typeof(msg.lastMsgHash) === 'undefined');
-        Common.assert(typeof(msg.content) === 'number');
-    } else if (msg.messageType === REGISTER
-        || msg.messageType === REGISTER_ACK
-        || msg.messageType === DISCONNECT)
-    {
-        Common.assert(typeof(msg.lastMsgHash) === 'undefined');
-        Common.assert(typeof(msg.content) === 'undefined');
     } else {
         throw new Error("invalid message type [" + msg.messageType + "]");
     }
 };
 
-var create = Message.create = function (userName, authToken, channelId, type, content, lastMsgHash) {
+var create = Message.create = function (type, content, lastMsgHash) {
     var msg = {
         type: 'Message',
-        userName: userName,
-        authToken: authToken,
-        channelId: channelId,
         messageType: type,
         content: content,
         lastMsgHash: lastMsgHash
@@ -477,62 +459,67 @@ var create = Message.create = function (userName, authToken, channelId, type, co
 
 var toString = Message.toString = function (msg) {
     if (Common.PARANOIA) { check(msg); }
-    var prefix = msg.messageType + ':';
+
-    var content = '';
+    if (msg.messageType === PATCH) {
-    if (msg.messageType === REGISTER) {
+        return JSON.stringify([PATCH, Patch.toObj(msg.content), msg.lastMsgHash]);
-        content = JSON.stringify([REGISTER]);
+    } else {
-    } else if (msg.messageType === PING || msg.messageType === PONG) {
+        throw new Error();
-        content = JSON.stringify([msg.messageType, msg.content]);
+    }
-    } else if (msg.messageType === PATCH) {
+};
-        content = JSON.stringify([PATCH, Patch.toObj(msg.content), msg.lastMsgHash]);
+
-    }
+var discardBencode = function (msg, arr) {
-    return msg.authToken.length + ":" + msg.authToken +
+    var len = msg.substring(0,msg.indexOf(':'));
-        msg.userName.length + ":" + msg.userName +
+    msg = msg.substring(len.length+1);
-        msg.channelId.length + ":" + msg.channelId +
+    var value = msg.substring(0,Number(len));
-        content.length + ':' + content;
+    msg = msg.substring(value.length);
+
+    if (arr) { arr.push(value); }
+    return msg;
 };
 
 var fromString = Message.fromString = function (str) {
     var msg = str;
 
-    var unameLen = msg.substring(0,msg.indexOf(':'));
+    if (str.charAt(0) === '[') {
-    msg = msg.substring(unameLen.length+1);
+        var m = JSON.parse(str);
-    var userName = msg.substring(0,Number(unameLen));
+        return create(m[0], Patch.fromObj(m[1]), m[2]);
-    msg = msg.substring(userName.length);
+    } else {
-
+        /*  Just in case we receive messages in the old format,
-    var channelIdLen = msg.substring(0,msg.indexOf(':'));
+            we should try to parse them. We only need the content, though,
-    msg = msg.substring(channelIdLen.length+1);
+            so just extract that and throw the rest away */
-    var channelId = msg.substring(0,Number(channelIdLen));
+        var last;
-    msg = msg.substring(channelId.length);
+        var parts = [];
+
+        // chop off all the bencoded components
+        while (msg) {
+            msg = discardBencode(msg, parts);
+        }
 
-    var contentStrLen = msg.substring(0,msg.indexOf(':'));
+        // grab the last component from the parts
-    msg = msg.substring(contentStrLen.length+1);
+        // we don't need anything else
-    var contentStr = msg.substring(0,Number(contentStrLen));
+        var contentStr = parts.slice(-1)[0];
+
+        var content = JSON.parse(contentStr);
+        var message;
+        if (content[0] === PATCH) {
+            message = create(userName, PATCH, Patch.fromObj(content[1]), content[2]);
+        } else if ([4,5].indexOf(content[0]) !== -1 /* === PING || content[0] === PONG*/) {
+            // it's a ping or pong, which we don't want to support anymore
+            message = create(userName, content[0], content[1]);
+        } else {
+            message = create(userName, content[0]);
+        }
 
-    Common.assert(contentStr.length === Number(contentStrLen));
+        // This check validates every operation in the patch.
+        check(message);
 
-    var content = JSON.parse(contentStr);
+        return message
-    var message;
-    if (content[0] === PATCH) {
-        message = create(userName, '', channelId, PATCH, Patch.fromObj(content[1]), content[2]);
-    } else if (content[0] === PING || content[0] === PONG) {
-        message = create(userName, '', channelId, content[0], content[1]);
-    } else {
-        message = create(userName, '', channelId, content[0]);
     }
-
-    // This check validates every operation in the patch.
-    check(message);
-
-    return message
 };
 
 var hashOf = Message.hashOf = function (msg) {
     if (Common.PARANOIA) { check(msg); }
-    var authToken = msg.authToken;
-    msg.authToken = '';
     var hash = Sha.hex_sha256(toString(msg));
-    msg.authToken = authToken;
     return hash;
 };
 
@@ -554,10 +541,10 @@ var hashOf = Message.hashOf = function (msg) {
  * You should have received a copy of the GNU Affero General Public License
  * along with this program.  If not, see <http://www.gnu.org/licenses/>.
  */
-var Common = require('./Common');
+var Common = module.exports.Common = require('./Common');
 var Operation = module.exports.Operation = require('./Operation');
-var Patch = require('./Patch');
+var Patch = module.exports.Patch = require('./Patch');
-var Message = require('./Message');
+var Message = module.exports.Message = require('./Message');
 var Sha = module.exports.Sha = require('./SHA256');
 
 var ChainPad = {};
@@ -634,12 +621,7 @@ var sync = function (realtime) {
     if (realtime.best === realtime.initialMessage) {
         msg = realtime.initialMessage;
     } else {
-        msg = Message.create(realtime.userName,
+        msg = Message.create(Message.PATCH, realtime.uncommitted, realtime.best.hashOf);
-                             realtime.authToken,
-                             realtime.channelId,
-                             Message.PATCH,
-                             realtime.uncommitted,
-                             realtime.best.hashOf);
     }
 
     var strMsg = Message.toString(msg);
@@ -647,6 +629,8 @@ var sync = function (realtime) {
     onMessage(realtime, strMsg, function (err) {
         if (err) {
             debug(realtime, "Posting to server failed [" + err + "]");
+        } else {
+            handleMessage(realtime, strMsg, true);
         }
     });
 
@@ -670,46 +654,9 @@ var sync = function (realtime) {
     if (Common.PARANOIA) { check(realtime); }
 };
 
-var getMessages = function (realtime) {
+var create = ChainPad.create = function (config) {
-    realtime.registered = true;
-    /*var to = schedule(realtime, function () {
-        throw new Error("failed to connect to the server");
-    }, 5000);*/
-    var msg = Message.create(realtime.userName,
-                             realtime.authToken,
-                             realtime.channelId,
-                             Message.REGISTER);
-    onMessage(realtime, Message.toString(msg), function (err) {
-        if (err) { throw err; }
-    });
-};
-
-var sendPing = function (realtime) {
-    realtime.pingSchedule = undefined;
-    realtime.lastPingTime = (new Date()).getTime();
-    var msg = Message.create(realtime.userName,
-                             realtime.authToken,
-                             realtime.channelId,
-                             Message.PING,
-                             realtime.lastPingTime);
-    onMessage(realtime, Message.toString(msg), function (err) {
-        if (err) { throw err; }
-    });
-};
-
-var onPong = function (realtime, msg) {
-    if (Common.PARANOIA) {
-        Common.assert(realtime.lastPingTime === Number(msg.content));
-    }
-    realtime.lastPingLag = (new Date()).getTime() - Number(msg.content);
-    realtime.lastPingTime = 0;
-    realtime.pingSchedule =
-        schedule(realtime, function () { sendPing(realtime); }, realtime.pingCycle);
-};
-
-var create = ChainPad.create = function (userName, authToken, channelId, initialState, config) {
-
     config = config || {};
+    var initialState = config.initialState || '';
 
     var realtime = {
         type: 'ChainPad',
@@ -720,10 +667,6 @@ var create = ChainPad.create = function (userName, authToken, channelId, initial
 
         logLevel: typeof(config.logLevel) !== 'undefined'? config.logLevel: 1,
 
-        userName: userName,
-        authToken: authToken,
-        channelId: channelId,
-
         /** A patch representing all uncommitted work. */
         uncommitted: null,
 
@@ -755,23 +698,13 @@ var create = ChainPad.create = function (userName, authToken, channelId, initial
 
         rootMessage: null,
 
+        userName: config.userName || 'anonymous',
+
         /**
          * Set to the message which sets the initialState if applicable.
          * Reset to null after the initial message has been successfully broadcasted.
          */
         initialMessage: null,
-
-        userListChangeHandlers: [],
-        userList: [],
-
-        /** The schedule() for sending pings. */
-        pingSchedule: undefined,
-
-        lastPingLag: 0,
-        lastPingTime: 0,
-
-        /** Average number of milliseconds between pings. */
-        pingCycle: 5000
     };
 
     if (Common.PARANOIA) {
@@ -781,7 +714,7 @@ var create = ChainPad.create = function (userName, authToken, channelId, initial
     var zeroPatch = Patch.create(EMPTY_STR_HASH);
     zeroPatch.inverseOf = Patch.invert(zeroPatch, '');
     zeroPatch.inverseOf.inverseOf = zeroPatch;
-    var zeroMsg = Message.create('', '', channelId, Message.PATCH, zeroPatch, ZERO);
+    var zeroMsg = Message.create(Message.PATCH, zeroPatch, ZERO);
     zeroMsg.hashOf = Message.hashOf(zeroMsg);
     zeroMsg.parentCount = 0;
     realtime.messages[zeroMsg.hashOf] = zeroMsg;
@@ -810,14 +743,10 @@ var create = ChainPad.create = function (userName, authToken, channelId, initial
     if (Common.PARANOIA) {
         realtime.userInterfaceContent = initialState;
     }
-    initialMessage = Message.create(realtime.userName,
+    initialMessage = Message.create(Message.PATCH, initialStatePatch, zeroMsg.hashOf);
-                                    realtime.authToken,
-                                    realtime.channelId,
-                                    Message.PATCH,
-                                    initialStatePatch,
-                                    zeroMsg.hashOf);
     initialMessage.hashOf = Message.hashOf(initialMessage);
     initialMessage.parentCount = 1;
+    initialMessage.isFromMe = true;
 
     realtime.messages[initialMessage.hashOf] = initialMessage;
     (realtime.messagesByParent[initialMessage.lastMessageHash] || []).push(initialMessage);
@@ -887,8 +816,10 @@ var parentCount = function (realtime, message) {
     return message.parentCount;
 };
 
-var applyPatch = function (realtime, author, patch) {
+var applyPatch = function (realtime, isFromMe, patch) {
-    if (author === realtime.userName && !patch.isInitialStatePatch) {
+    Common.assert(patch);
+    Common.assert(patch.inverseOf);
+    if (isFromMe && !patch.isInitialStatePatch) {
         var inverseOldUncommitted = Patch.invert(realtime.uncommitted, realtime.authDoc);
         var userInterfaceContent = Patch.apply(realtime.uncommitted, realtime.authDoc);
         if (Common.PARANOIA) {
@@ -907,12 +838,14 @@ var applyPatch = function (realtime, author, patch) {
     realtime.authDoc = Patch.apply(patch, realtime.authDoc);
 
     if (Common.PARANOIA) {
+        Common.assert(realtime.uncommitted.parentHash === patch.inverseOf.parentHash);
+        Common.assert(Sha.hex_sha256(realtime.authDoc) === realtime.uncommitted.parentHash);
         realtime.userInterfaceContent = Patch.apply(realtime.uncommitted, realtime.authDoc);
     }
 };
 
-var revertPatch = function (realtime, author, patch) {
+var revertPatch = function (realtime, isFromMe, patch) {
-    applyPatch(realtime, author, patch.inverseOf);
+    applyPatch(realtime, isFromMe, patch.inverseOf);
 };
 
 var getBestChild = function (realtime, msg) {
@@ -925,55 +858,23 @@ var getBestChild = function (realtime, msg) {
     return best;
 };
 
-var userListChange = function (realtime) {
+var handleMessage = ChainPad.handleMessage = function (realtime, msgStr, isFromMe) {
-    for (var i = 0; i < realtime.userListChangeHandlers.length; i++) {
-        var list = [];
-        list.push.apply(list, realtime.userList);
-        realtime.userListChangeHandlers[i](list);
-    }
-};
-
-var handleMessage = ChainPad.handleMessage = function (realtime, msgStr) {
 
     if (Common.PARANOIA) { check(realtime); }
     var msg = Message.fromString(msgStr);
-    Common.assert(msg.channelId === realtime.channelId);
-
-    if (msg.messageType === Message.REGISTER_ACK) {
-        debug(realtime, "registered");
-        realtime.registered = true;
-        sendPing(realtime);
-        return;
-    }
-
-    if (msg.messageType === Message.REGISTER) {
-        realtime.userList.push(msg.userName);
-        userListChange(realtime);
-        return;
-    }
 
-    if (msg.messageType === Message.PONG) {
+    // These are all deprecated message types
-        onPong(realtime, msg);
+    if (['REGISTER', 'PONG', 'DISCONNECT'].map(function (x) {
-        return;
+        return Message[x];
-    }
+    }).indexOf(msg.messageType) !== -1) {
-
+        console.log("Deprecated message type: [%s]", msg.messageType);
-    if (msg.messageType === Message.DISCONNECT) {
-        if (msg.userName === '') {
-            realtime.userList = [];
-            userListChange(realtime);
-            return;
-        }
-        var idx = realtime.userList.indexOf(msg.userName);
-        if (Common.PARANOIA) { Common.assert(idx > -1); }
-        if (idx > -1) {
-            realtime.userList.splice(idx, 1);
-            userListChange(realtime);
-        }
         return;
     }
 
     // otherwise it's a disconnect.
-    if (msg.messageType !== Message.PATCH) { return; }
+    if (msg.messageType !== Message.PATCH) {
+        console.error("disconnect");
+        return; }
 
     msg.hashOf = Message.hashOf(msg);
 
@@ -1002,6 +903,7 @@ var handleMessage = ChainPad.handleMessage = function (realtime, msgStr) {
     // of this message fills in a hole in the chain which makes another patch better, swap to the
     // best child of this patch since longest chain always wins.
     msg = getBestChild(realtime, msg);
+    msg.isFromMe = isFromMe;
     var patch = msg.content;
 
     // Find the ancestor of this patch which is in the main chain, reverting as necessary
@@ -1040,6 +942,7 @@ var handleMessage = ChainPad.handleMessage = function (realtime, msgStr) {
     var authDocAtTimeOfPatch = realtime.authDoc;
 
     for (var i = 0; i < toRevert.length; i++) {
+        Common.assert(typeof(toRevert[i].content.inverseOf) !== 'undefined');
         authDocAtTimeOfPatch = Patch.apply(toRevert[i].content.inverseOf, authDocAtTimeOfPatch);
     }
 
@@ -1086,13 +989,13 @@ var handleMessage = ChainPad.handleMessage = function (realtime, msgStr) {
     for (var i = 0; i < toRevert.length; i++) {
         debug(realtime, "reverting [" + toRevert[i].hashOf + "]");
         uncommittedPatch = Patch.merge(uncommittedPatch, toRevert[i].content.inverseOf);
-        revertPatch(realtime, toRevert[i].userName, toRevert[i].content);
+        revertPatch(realtime, toRevert[i].isFromMe, toRevert[i].content);
     }
 
     for (var i = 0; i < toApply.length; i++) {
         debug(realtime, "applying [" + toApply[i].hashOf + "]");
         uncommittedPatch = Patch.merge(uncommittedPatch, toApply[i].content);
-        applyPatch(realtime, toApply[i].userName, toApply[i].content);
+        applyPatch(realtime, toApply[i].isFromMe, toApply[i].content);
     }
 
     uncommittedPatch = Patch.merge(uncommittedPatch, realtime.uncommitted);
@@ -1125,22 +1028,6 @@ var handleMessage = ChainPad.handleMessage = function (realtime, msgStr) {
     if (Common.PARANOIA) { check(realtime); }
 };
 
-var wasEverState = function (content, realtime) {
-    Common.assert(typeof(content) === 'string');
-    // without this we would never get true on the ^HEAD
-    if (realtime.authDoc === content) {
-        return true;
-    }
-
-    var hash = Sha.hex_sha256(content);
-
-    var patchMsg = realtime.best;
-    do {
-        if (patchMsg.content.parentHash === hash) { return true; }
-    } while ((patchMsg = getParent(realtime, patchMsg)));
-    return false;
-};
-
 var getDepthOfState = function (content, minDepth, realtime) {
     Common.assert(typeof(content) === 'string');
 
@@ -1169,47 +1056,29 @@ var getDepthOfState = function (content, minDepth, realtime) {
         }
         depth++;
     } while ((patchMsg = getParent(realtime, patchMsg)));
-    return;
+    return -1;
 };
 
-module.exports.create = function (userName, authToken, channelId, initialState, conf) {
+module.exports.create = function (conf) {
-    Common.assert(typeof(userName) === 'string');
+    var realtime = ChainPad.create(conf);
-    Common.assert(typeof(authToken) === 'string');
-    Common.assert(typeof(channelId) === 'string');
-    Common.assert(typeof(initialState) === 'string');
-    var realtime = ChainPad.create(userName, authToken, channelId, initialState, conf);
     return {
         onPatch: enterChainPad(realtime, function (handler) {
             Common.assert(typeof(handler) === 'function');
             realtime.patchHandlers.push(handler);
         }),
-        onRemove: enterChainPad(realtime, function (handler) {
+
-            Common.assert(typeof(handler) === 'function');
+        patch: enterChainPad(realtime, function (offset, count, chars) {
-            realtime.opHandlers.unshift(function (op) {
+            doOperation(realtime, Operation.create(offset, count, chars));
-                if (op.toRemove > 0) { handler(op.offset, op.toRemove); }
-            });
-        }),
-        onInsert: enterChainPad(realtime, function (handler) {
-            Common.assert(typeof(handler) === 'function');
-            realtime.opHandlers.push(function (op) {
-                if (op.toInsert.length > 0) { handler(op.offset, op.toInsert); }
-            });
-        }),
-        remove: enterChainPad(realtime, function (offset, numChars) {
-            doOperation(realtime, Operation.create(offset, numChars, ''));
-        }),
-        insert: enterChainPad(realtime, function (offset, str) {
-            doOperation(realtime, Operation.create(offset, 0, str));
         }),
+
         onMessage: enterChainPad(realtime, function (handler) {
             Common.assert(typeof(handler) === 'function');
             realtime.messageHandlers.push(handler);
         }),
         message: enterChainPad(realtime, function (message) {
-            handleMessage(realtime, message);
+            handleMessage(realtime, message, false);
         }),
         start: enterChainPad(realtime, function () {
-            getMessages(realtime);
             if (realtime.syncSchedule) { unschedule(realtime, realtime.syncSchedule); }
             realtime.syncSchedule = schedule(realtime, function () { sync(realtime); });
         }),
@@ -1221,19 +1090,7 @@ module.exports.create = function (userName, authToken, channelId, initialState,
         }),
         getAuthDoc: function () { return realtime.authDoc; },
         getUserDoc: function () { return Patch.apply(realtime.uncommitted, realtime.authDoc); },
-        onUserListChange: enterChainPad(realtime, function (handler) {
+
-            Common.assert(typeof(handler) === 'function');
-            realtime.userListChangeHandlers.push(handler);
-        }),
-        getLag: function () {
-            if (realtime.lastPingTime) {
-                return { waiting:1, lag: (new Date()).getTime() - realtime.lastPingTime };
-            }
-            return { waiting:0, lag: realtime.lastPingLag };
-        },
-        wasEverState: function (content) {
-            return wasEverState(content, realtime);
-        },
         getDepthOfState: function (content, minDepth) {
             return getDepthOfState(content, minDepth, realtime);
         }

www/common/crypto.js

@@ -22,36 +22,12 @@ define([
         return Nacl.util.encodeUTF8(unpacked);
     };
 
-    // this is crap because of bencoding messages... it should go away....
-    var splitMessage = function (msg, sending) {
-        var idx = 0;
-        var nl;
-        for (var i = ((sending) ? 0 : 1); i < 3; i++) {
-            nl = msg.indexOf(':',idx);
-            idx = nl + Number(msg.substring(idx,nl)) + 1;
-        }
-        return [ msg.substring(0,idx), msg.substring(msg.indexOf(':',idx) + 1) ];
-    };
-
     var encrypt = module.exports.encrypt = function (msg, key) {
-        var spl = splitMessage(msg, true);
+        return encryptStr(msg, key);
-        var json = JSON.parse(spl[1]);
-        // non-patches are not encrypted.
-        if (json[0] !== 2) { return msg; }
-        json[1] = encryptStr(JSON.stringify(json[1]), key);
-        var res = JSON.stringify(json);
-        return spl[0] + res.length + ':' + res;
     };
 
     var decrypt = module.exports.decrypt = function (msg, key) {
-        var spl = splitMessage(msg, false);
+        return decryptStr(msg, key);
-        var json = JSON.parse(spl[1]);
-        // non-patches are not encrypted.
-        if (json[0] !== 2) { return msg; }
-        if (typeof(json[1]) !== 'string') { throw new Error(); }
-        json[1] = JSON.parse(decryptStr(json[1], key));
-        var res = JSON.stringify(json);
-        return spl[0] + res.length + ':' + res;
     };
 
     var parseKey = module.exports.parseKey = function (str) {

www/common/netflux-client.js

@@ -288,4 +288,4 @@ define(function () {
     };
 
     return { connect: connect };
-});
+});

www/common/realtime-input.js

@@ -37,6 +37,8 @@ define([
         verbose = function (x) { console.log(x); };
     verbose = function () {}; // comment out to enable verbose logging
 
+    var unBencode = function (str) { return str.replace(/^\d+:/, ''); };
+
     var start = module.exports.start =
         function (config)
     {
@@ -59,27 +61,7 @@ define([
         var realtime;
 
         var parseMessage = function (msg) {
-            var res ={};
+            return unBencode(msg);//.slice(msg.indexOf(':[') + 1);
-            // two or more? use a for
-            ['pass','user','channelId','content'].forEach(function(attr){
-                var len=msg.slice(0,msg.indexOf(':')),
-                // taking an offset lets us slice out the prop
-                // and saves us one string copy
-                    o=len.length+1,
-                    prop=res[attr]=msg.slice(o,Number(len)+o);
-                // slice off the property and its descriptor
-                msg = msg.slice(prop.length+o);
-            });
-            // content is the only attribute that's not a string
-            res.content=JSON.parse(res.content);
-            return res;
-        };
-
-        var mkMessage = function (user, chan, content) {
-            content = JSON.stringify(content);
-            return user.length + ':' + user +
-                chan.length + ':' + chan +
-                content.length + ':' + content;
         };
 
         var userList = {
@@ -137,6 +119,12 @@ define([
                     config.onLocal();
                 }
             }
+
+            // slice off the bencoded header
+            // Why are we getting bencoded stuff to begin with?
+            // FIXME this shouldn't be necessary
+            message = unBencode(message);//.slice(message.indexOf(':[') + 1);
+
             // pass the message into Chainpad
             realtime.message(message);
         };
@@ -154,10 +142,7 @@ define([
         // shim between chainpad and netflux
         chainpadAdapter = {
             msgIn : function(peerId, msg) {
-                var parsed = parseMessage(msg);
+                var message = parseMessage(msg);
-                // Remove the password from the message
-                var passLen = msg.substring(0,msg.indexOf(':'));
-                var message = msg.substring(passLen.length+1 + Number(passLen));
                 try {
                     var decryptedMsg = Crypto.decrypt(message, cryptKey);
                     messagesHistory.push(decryptedMsg);
@@ -166,33 +151,24 @@ define([
                     console.error(err);
                     return message;
                 }
-
             },
             msgOut : function(msg, wc) {
-                var parsed = parseMessage(msg);
+                try {
-                if(parsed.content[0] === 0) { // We're registering : send a REGISTER_ACK to Chainpad
+                    return Crypto.encrypt(msg, cryptKey);
-                    onMessage('', '1:y'+mkMessage('', channel, [1,0]));
+                } catch (err) {
-                    return;
+                    console.log(msg);
-                }
+                    throw err;
-                if(parsed.content[0] === 4) { // PING message from Chainpad
-                    parsed.content[0] = 5;
-                    onMessage('', '1:y'+mkMessage(parsed.user, parsed.channelId, parsed.content));
-                    // wc.sendPing();
-                    return;
                 }
-                return Crypto.encrypt(msg, cryptKey);
             }
         };
 
         var createRealtime = function(chan) {
-            return ChainPad.create(userName,
+            return ChainPad.create({
-                                        passwd,
+                userName: userName,
-                                        channel,
+                initialState: config.initialState,
-                                        config.initialState || '',
+                transformFunction: config.transformFunction,
-                                        {
+                logLevel: typeof(config.logLevel) !== 'undefined'? config.logLevel : 1
-                                        transformFunction: config.transformFunction,
+            });
-                                        logLevel: typeof(config.logLevel) !== 'undefined'? config.logLevel : 1
-                                        });
         };
 
 
@@ -225,13 +201,12 @@ define([
             }
 
             // Sending a message...
-            realtime.onMessage(function(message) {
+            realtime.onMessage(function(message, cb) {
                 // Filter messages sent by Chainpad to make it compatible with Netflux
                 message = chainpadAdapter.msgOut(message, wc);
                 if(message) {
                   wc.bcast(message).then(function() {
-                    // Send the message back to Chainpad once it is sent to the recipients.
+                    cb();
-                    onMessage(wc.myID, message);
                   }, function(err) {
                     // The message has not been sent, display the error.
                     console.error(err);
@@ -283,8 +258,6 @@ define([
             // pass messages that come out of netflux into our local handler
 
             network.on('disconnect', function (evt) {
-                // TODO also abort if Netflux times out
-                // that will be managed in Netflux-client.js
                 if (config.onAbort) {
                     config.onAbort({
                         reason: evt.reason