refactor whisper code; separate old version

This commit is contained in:
Iuri Matias 2017-12-30 20:09:46 -05:00
parent 7e38a239b7
commit f4e81da630
2 changed files with 211 additions and 197 deletions

View File

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

View File

@ -39,8 +39,9 @@ class Whisper {
}
let code = "";
code += "\n" + fs.readFileSync(utils.joinPath(__dirname, 'embarkjs.js')).toString();
code += "\nEmbarkJS.Storage.registerProvider('ipfs', __embarkWhisper);";
//code += "\nEmbarkJS.Storage.registerProvider('whisper', __embarkWhisper);";
this.embark.addCodeToEmbarkJS(code);
}