mirror of https://github.com/embarklabs/embark.git
refactor whisper code; separate old version
This commit is contained in:
parent
7e38a239b7
commit
f4e81da630
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@ -1,8 +1,9 @@
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/*global EmbarkJS, Web3 */
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let __embarkWhisper = {};
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// for the old version of whisper and web3.js
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let __embarkWhisperOld = {};
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__embarkWhisper.setProvider = function(options) {
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__embarkWhisperOld.setProvider = function(options) {
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const self = this;
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let provider;
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if (options === undefined) {
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@ -10,21 +11,12 @@ __embarkWhisper.setProvider = function(options) {
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} else {
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provider = options.server + ':' + options.port;
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}
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if (EmbarkJS.isNewWeb3()) {
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self.web3 = new Web3(new Web3.providers.WebsocketProvider("ws://" + provider));
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} else {
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self.web3 = new Web3(new Web3.providers.HttpProvider("http://" + provider));
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}
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self.web3 = new Web3(new Web3.providers.HttpProvider("http://" + provider));
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self.getWhisperVersion(function(err, version) {
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if (err) {
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console.log("whisper not available");
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} else if (version >= 5) {
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if (self.web3CompatibleWithV5()) {
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self.web3.shh.newSymKey().then((id) => { self.symKeyID = id; });
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self.web3.shh.newKeyPair().then((id) => { self.sig = id; });
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} else {
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console.log("this version of whisper in this node");
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}
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throw new Error("whisper 5 not supported with this version of web3.js");
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} else {
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self.identity = self.web3.shh.newIdentity();
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}
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@ -32,201 +24,222 @@ __embarkWhisper.setProvider = function(options) {
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});
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};
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__embarkWhisper.web3CompatibleWithV5 = function() {
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var _web3 = new Web3();
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if ((typeof _web3.version) === "string") {
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return true;
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}
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return parseInt(_web3.version.api.split('.')[1], 10) >= 20;
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};
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__embarkWhisper.getWhisperVersion = function(cb) {
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const self = this;
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if (EmbarkJS.isNewWeb3()) {
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this.web3.shh.getVersion(function(err, version) {
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cb(err, version);
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});
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} else {
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this.web3.version.getWhisper(function(err, _res) {
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cb(err, self.web3.version.whisper);
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});
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}
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};
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__embarkWhisper.sendMessage = function(options) {
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__embarkWhisperOld.sendMessage = function(options) {
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var topics, data, ttl, priority, payload;
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if (EmbarkJS.isNewWeb3()) {
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topics = options.topic || options.topics;
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data = options.data || options.payload;
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ttl = options.ttl || 100;
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priority = options.priority || 1000;
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var powTime = options.powTime || 3;
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var powTarget = options.powTarget || 0.5;
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topics = options.topic || options.topics;
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data = options.data || options.payload;
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ttl = options.ttl || 100;
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priority = options.priority || 1000;
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var identity = options.identity || this.identity || this.web3.shh.newIdentity();
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var _topics;
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if (topics === undefined) {
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throw new Error("missing option: topic");
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}
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if (data === undefined) {
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throw new Error("missing option: data");
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}
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topics = this.web3.utils.toHex(topics).slice(0, 10);
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payload = JSON.stringify(data);
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let message = {
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symKeyID: this.symKeyID, // encrypts using the sym key ID
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sig: this.sig, // signs the message using the keyPair ID
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ttl: ttl,
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topic: topics,
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payload: EmbarkJS.Utils.fromAscii(payload),
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powTime: powTime,
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powTarget: powTarget
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};
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this.web3.shh.post(message, function() { });
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} else {
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topics = options.topic || options.topics;
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data = options.data || options.payload;
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ttl = options.ttl || 100;
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priority = options.priority || 1000;
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var identity = options.identity || this.identity || this.web3.shh.newIdentity();
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var _topics;
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if (topics === undefined) {
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throw new Error("missing option: topic");
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}
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if (data === undefined) {
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throw new Error("missing option: data");
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}
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if (typeof topics === 'string') {
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_topics = [EmbarkJS.Utils.fromAscii(topics)];
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} else {
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_topics = topics.map((t) => EmbarkJS.Utils.fromAscii(t));
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}
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topics = _topics;
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payload = JSON.stringify(data);
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var message;
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message = {
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from: identity,
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topics: topics,
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payload: EmbarkJS.Utils.fromAscii(payload),
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ttl: ttl,
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priority: priority
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};
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return this.web3.shh.post(message, function() { });
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if (topics === undefined) {
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throw new Error("missing option: topic");
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}
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if (data === undefined) {
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throw new Error("missing option: data");
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}
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if (typeof topics === 'string') {
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_topics = [EmbarkJS.Utils.fromAscii(topics)];
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} else {
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_topics = topics.map((t) => EmbarkJS.Utils.fromAscii(t));
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}
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topics = _topics;
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payload = JSON.stringify(data);
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var message;
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message = {
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from: identity,
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topics: topics,
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payload: EmbarkJS.Utils.fromAscii(payload),
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ttl: ttl,
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priority: priority
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};
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return this.web3.shh.post(message, function() { });
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};
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__embarkWhisper.listenTo = function(options) {
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__embarkWhisperOld.listenTo = function(options) {
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var topics, _topics, messageEvents;
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if (EmbarkJS.isNewWeb3()) {
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messageEvents = function() {
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this.cb = function() {};
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};
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topics = options.topic || options.topics;
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_topics = [];
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messageEvents.prototype.then = function(cb) {
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this.cb = cb;
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};
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messageEvents = function() {
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this.cb = function() {};
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};
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messageEvents.prototype.error = function(err) {
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return err;
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};
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messageEvents.prototype.then = function(cb) {
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this.cb = cb;
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};
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messageEvents.prototype.stop = function() {
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this.filter.stopWatching();
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};
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messageEvents.prototype.error = function(err) {
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return err;
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};
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topics = options.topic || options.topics;
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_topics = [];
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messageEvents.prototype.stop = function() {
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this.filter.stopWatching();
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};
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let promise = new messageEvents();
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// listenTo
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if (typeof topics === 'string') {
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topics = [this.web3.utils.toHex(topics).slice(0, 10)];
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} else {
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topics = topics.map((t) => this.web3.utils.toHex(t).slice(0, 10));
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}
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let filter = this.web3.shh.subscribe("messages", {
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symKeyID: this.symKeyID,
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topics: topics
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}).on('data', function(result) {
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var payload = JSON.parse(EmbarkJS.Utils.toAscii(result.payload));
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var data;
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data = {
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topic: result.topic,
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data: payload,
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//from: result.from,
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time: result.timestamp
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};
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promise.cb(payload, data, result);
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});
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promise.filter = filter;
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return promise;
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if (typeof topics === 'string') {
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_topics = [topics];
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} else {
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topics = options.topic || options.topics;
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_topics = [];
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messageEvents = function() {
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this.cb = function() {};
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};
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messageEvents.prototype.then = function(cb) {
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this.cb = cb;
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};
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messageEvents.prototype.error = function(err) {
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return err;
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};
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messageEvents.prototype.stop = function() {
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this.filter.stopWatching();
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};
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if (typeof topics === 'string') {
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_topics = [topics];
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} else {
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_topics = topics.map((t) => EmbarkJS.Utils.fromAscii(t));
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}
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topics = _topics;
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var filterOptions = {
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topics: topics
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};
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let promise = new messageEvents();
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let filter = this.web3.shh.filter(filterOptions, function(err, result) {
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var payload = JSON.parse(EmbarkJS.Utils.toAscii(result.payload));
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var data;
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if (err) {
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promise.error(err);
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} else {
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data = {
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topic: topics,
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data: payload,
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from: result.from,
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time: (new Date(result.sent * 1000))
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};
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promise.cb(payload, data, result);
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}
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});
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promise.filter = filter;
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return promise;
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_topics = topics.map((t) => EmbarkJS.Utils.fromAscii(t));
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}
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topics = _topics;
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var filterOptions = {
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topics: topics
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};
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let promise = new messageEvents();
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let filter = this.web3.shh.filter(filterOptions, function(err, result) {
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var payload = JSON.parse(EmbarkJS.Utils.toAscii(result.payload));
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var data;
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if (err) {
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promise.error(err);
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} else {
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data = {
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topic: topics,
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data: payload,
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from: result.from,
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time: (new Date(result.sent * 1000))
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};
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promise.cb(payload, data, result);
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}
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});
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promise.filter = filter;
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return promise;
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};
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EmbarkJS.Messages.registerProvider('whisper', __embarkWhisper);
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__embarkWhisperOld.getWhisperVersion = function(cb) {
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this.web3.version.getWhisper(function(err, _res) {
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cb(err, self.web3.version.whisper);
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});
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};
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// for the whisper v5 and web3.js 1.0
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let __embarkWhisperNewWeb3 = {};
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__embarkWhisperNewWeb3.setProvider = function(options) {
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const self = this;
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let provider;
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if (options === undefined) {
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provider = "localhost:8546";
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} else {
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provider = options.server + ':' + options.port;
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}
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// TODO: take into account type
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self.web3 = new Web3(new Web3.providers.WebsocketProvider("ws://" + provider));
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self.getWhisperVersion(function(err, version) {
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if (err) {
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console.log("whisper not available");
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} else if (version >= 5) {
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self.web3.shh.newSymKey().then((id) => { self.symKeyID = id; });
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self.web3.shh.newKeyPair().then((id) => { self.sig = id; });
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} else {
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throw new Error("version of whisper not supported");
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}
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self.whisperVersion = self.web3.version.whisper;
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});
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};
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__embarkWhisperNewWeb3.sendMessage = function(options) {
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var topics, data, ttl, payload;
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topics = options.topic || options.topics;
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data = options.data || options.payload;
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ttl = options.ttl || 100;
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var powTime = options.powTime || 3;
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var powTarget = options.powTarget || 0.5;
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if (topics === undefined) {
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throw new Error("missing option: topic");
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}
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if (data === undefined) {
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throw new Error("missing option: data");
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}
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topics = this.web3.utils.toHex(topics).slice(0, 10);
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payload = JSON.stringify(data);
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let message = {
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symKeyID: this.symKeyID, // encrypts using the sym key ID
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sig: this.sig, // signs the message using the keyPair ID
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ttl: ttl,
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topic: topics,
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payload: EmbarkJS.Utils.fromAscii(payload),
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powTime: powTime,
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powTarget: powTarget
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};
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this.web3.shh.post(message, function() { });
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};
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__embarkWhisperNewWeb3.listenTo = function(options) {
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var topics, messageEvents;
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messageEvents = function() {
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this.cb = function() {};
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};
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messageEvents.prototype.then = function(cb) {
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this.cb = cb;
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};
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messageEvents.prototype.error = function(err) {
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return err;
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};
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messageEvents.prototype.stop = function() {
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this.filter.stopWatching();
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};
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topics = options.topic || options.topics;
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let promise = new messageEvents();
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if (typeof topics === 'string') {
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topics = [this.web3.utils.toHex(topics).slice(0, 10)];
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} else {
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topics = topics.map((t) => this.web3.utils.toHex(t).slice(0, 10));
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}
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let filter = this.web3.shh.subscribe("messages", {
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symKeyID: this.symKeyID,
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topics: topics
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}).on('data', function(result) {
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var payload = JSON.parse(EmbarkJS.Utils.toAscii(result.payload));
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var data;
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data = {
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topic: result.topic,
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data: payload,
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//from: result.from,
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time: result.timestamp
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};
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promise.cb(payload, data, result);
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});
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promise.filter = filter;
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return promise;
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};
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__embarkWhisperNewWeb3.getWhisperVersion = function(cb) {
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this.web3.shh.getVersion(function(err, version) {
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cb(err, version);
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});
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};
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if (EmbarkJS.isNewWeb3()) {
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EmbarkJS.Messages.registerProvider('whisper', __embarkWhisperNewWeb3);
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} else {
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EmbarkJS.Messages.registerProvider('whisper', __embarkWhisperOld);
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}
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@ -39,8 +39,9 @@ class Whisper {
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}
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let code = "";
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code += "\n" + fs.readFileSync(utils.joinPath(__dirname, 'embarkjs.js')).toString();
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code += "\nEmbarkJS.Storage.registerProvider('ipfs', __embarkWhisper);";
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//code += "\nEmbarkJS.Storage.registerProvider('whisper', __embarkWhisper);";
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this.embark.addCodeToEmbarkJS(code);
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}
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