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Merge pull request #1 from embark-framework/move-embarkjs

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Move embarkjs
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Iuri Matias 2018-07-07 00:26:35 +03:00 committed by GitHub
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11 changed files with 574 additions and 1 deletions
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9
.babelrc Normal file
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{
"compact": false,
"presets": [
["@babel/env", {"targets": {"node": "8.11.3"}}]
],
"plugins": [
"@babel/plugin-transform-runtime"
]
}

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.gitignore vendored Normal file
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dist
node_modules
package
.idea
.vscode
.eslintrc.json
embark.min.js
embarkjs-*.tgz
TODO
NOTES
npm-debug.log

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.npmrc Normal file
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package-lock = false
save-exact = true

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LICENSE Normal file
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The MIT License (MIT)
Copyright (c) 2015 iuri matias
Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

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README.md
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# EmbarkJS # EmbarkJS
A JavaScript library for easily interacting with web3 technologies.
This library is part of the [Embark](https://github.com/embark-framework/embark) framework.

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index.html Normal file
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset="utf-8" />
<title>EmbarkJS &mdash; standalone</title>
<script src="embark.min.js"></script>
</head>
<body></body>
</html>

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package.json Normal file
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{
"name": "embarkjs",
"version": "0.1.0",
"description": "JavaScript library for easily interacting with web3 technologies",
"main": "./dist/index.js",
"browser": "./src/browser.js",
"files": [
"dist",
"embark.min.js",
"src"
],
"scripts": {
"build": "npm run clean && npm run build-babel && npm run build-webpack",
"build-babel": "babel --ignore 'src/browser.js' --out-dir dist src",
"build-webpack": "npm run webpack",
"clean": "rimraf dist embark.min.js embarkjs-*.tgz package",
"prepack": "npm run build",
"server": "http-server",
"test": "echo \"Error: no test specified\" && exit 1",
"webpack": "webpack"
},
"repository": {
"type": "git",
"url": "git+https://github.com/embark-framework/EmbarkJS.git"
},
"author": "Iuri Matias <iuri.matias@gmail.com>",
"license": "MIT",
"keywords": [
"ethereum",
"dapps",
"ipfs",
"solidity",
"solc",
"blockchain",
"serverless"
],
"bugs": {
"url": "https://github.com/embark-framework/EmbarkJS/issues"
},
"homepage": "https://github.com/embark-framework/EmbarkJS#readme",
"dependencies": {
"@babel/runtime": "7.0.0-beta.52"
},
"devDependencies": {
"@babel/cli": "7.0.0-beta.52",
"@babel/core": "7.0.0-beta.52",
"@babel/plugin-transform-runtime": "7.0.0-beta.52",
"@babel/preset-env": "7.0.0-beta.52",
"ajv": "6.5.2",
"babel-loader": "8.0.0-beta.4",
"http-server": "0.11.1",
"rimraf": "2.6.2",
"webpack": "4.15.1",
"webpack-cli": "3.0.8"
}
}

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src/browser.js Normal file
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import _EmbarkJS from './embark';
var EmbarkJS = Object.assign({}, _EmbarkJS);
EmbarkJS.checkWeb3 = function () {
_EmbarkJS.checkWeb3.call(this);
if (!this.web3 && typeof (web3) !== 'undefined') {
this.web3 = web3;
} else if (!this.web3) {
this.web3 = window.web3;
}
};
export default EmbarkJS;

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src/embark.js Normal file
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var EmbarkJS = {
onReady: function (cb) {
if (typeof (__embarkContext) === 'undefined') {
return cb();
}
return __embarkContext.execWhenReady(cb);
}
};
EmbarkJS.isNewWeb3 = function (web3Obj) {
var _web3 = web3Obj || (new Web3());
if (typeof(_web3.version) === "string") {
return true;
}
return parseInt(_web3.version.api.split('.')[0], 10) >= 1;
};
EmbarkJS.checkWeb3 = function () {};
EmbarkJS.Contract = function (options) {
var self = this;
var i, abiElement;
var ContractClass;
this.abi = options.abi;
this.address = options.address;
this.gas = options.gas;
this.code = '0x' + options.code;
//this.web3 = options.web3 || web3;
this.web3 = options.web3;
//if (!this.web3 && typeof (web3) !== 'undefined') {
// this.web3 = web3;
//} else if (!this.web3) {
// this.web3 = window.web3;
//}
EmbarkJS.checkWeb3.call(this);
if (EmbarkJS.isNewWeb3(this.web3)) {
ContractClass = new this.web3.eth.Contract(this.abi, this.address);
ContractClass.setProvider(this.web3.currentProvider);
ContractClass.options.data = this.code;
ContractClass.options.from = this.from || this.web3.eth.defaultAccount;
ContractClass.abi = ContractClass.options.abi;
ContractClass.address = this.address;
ContractClass.gas = this.gas;
let originalMethods = Object.keys(ContractClass);
ContractClass._jsonInterface.forEach((abi) => {
if (originalMethods.indexOf(abi.name) >= 0) {
console.log(abi.name + " is a reserved word and cannot be used as a contract method, property or event");
return;
}
if (!abi.inputs) {
return;
}
let numExpectedInputs = abi.inputs.length;
if (abi.type === 'function' && abi.constant) {
ContractClass[abi.name] = function () {
let options = {}, cb = null, args = Array.from(arguments || []).slice(0, numExpectedInputs);
if (typeof (arguments[numExpectedInputs]) === 'function') {
cb = arguments[numExpectedInputs];
} else if (typeof (arguments[numExpectedInputs]) === 'object') {
options = arguments[numExpectedInputs];
cb = arguments[numExpectedInputs + 1];
}
let ref = ContractClass.methods[abi.name];
let call = ref.apply(ref, ...arguments).call;
return call.apply(call, []);
};
} else if (abi.type === 'function') {
ContractClass[abi.name] = function () {
let options = {}, cb = null, args = Array.from(arguments || []).slice(0, numExpectedInputs);
if (typeof (arguments[numExpectedInputs]) === 'function') {
cb = arguments[numExpectedInputs];
} else if (typeof (arguments[numExpectedInputs]) === 'object') {
options = arguments[numExpectedInputs];
cb = arguments[numExpectedInputs + 1];
}
let ref = ContractClass.methods[abi.name];
let send = ref.apply(ref, args).send;
return send.apply(send, [options, cb]);
};
} else if (abi.type === 'event') {
ContractClass[abi.name] = function (options, cb) {
let ref = ContractClass.events[abi.name];
return ref.apply(ref, [options, cb]);
};
}
});
return ContractClass;
} else {
ContractClass = this.web3.eth.contract(this.abi);
this.eventList = [];
if (this.abi) {
for (i = 0; i < this.abi.length; i++) {
abiElement = this.abi[i];
if (abiElement.type === 'event') {
this.eventList.push(abiElement.name);
}
}
}
var messageEvents = function () {
this.cb = function () {
};
};
messageEvents.prototype.then = function (cb) {
this.cb = cb;
};
messageEvents.prototype.error = function (err) {
return err;
};
this._originalContractObject = ContractClass.at(this.address);
this._methods = Object.getOwnPropertyNames(this._originalContractObject).filter(function (p) {
// TODO: check for forbidden properties
if (self.eventList.indexOf(p) >= 0) {
self[p] = function () {
var promise = new messageEvents();
var args = Array.prototype.slice.call(arguments);
args.push(function (err, result) {
if (err) {
promise.error(err);
} else {
promise.cb(result);
}
});
self._originalContractObject[p].apply(self._originalContractObject[p], args);
return promise;
};
return true;
} else if (typeof self._originalContractObject[p] === 'function') {
self[p] = function (_args) {
var args = Array.prototype.slice.call(arguments);
var fn = self._originalContractObject[p];
var props = self.abi.find((x) => x.name == p);
var promise = new Promise(function (resolve, reject) {
args.push(function (err, transaction) {
promise.tx = transaction;
if (err) {
return reject(err);
}
var getConfirmation = function () {
self.web3.eth.getTransactionReceipt(transaction, function (err, receipt) {
if (err) {
return reject(err);
}
if (receipt !== null) {
return resolve(receipt);
}
setTimeout(getConfirmation, 1000);
});
};
if (typeof transaction !== "string" || props.constant) {
resolve(transaction);
} else {
getConfirmation();
}
});
fn.apply(fn, args);
});
return promise;
};
return true;
}
return false;
});
}
};
EmbarkJS.Contract.prototype.deploy = function (args, _options) {
var self = this;
var contractParams;
var options = _options || {};
contractParams = args || [];
contractParams.push({
from: this.web3.eth.accounts[0],
data: this.code,
gas: options.gas || 800000
});
var contractObject = this.web3.eth.contract(this.abi);
var promise = new Promise(function (resolve, reject) {
contractParams.push(function (err, transaction) {
if (err) {
reject(err);
} else if (transaction.address !== undefined) {
resolve(new EmbarkJS.Contract({
abi: self.abi,
code: self.code,
address: transaction.address
}));
}
});
// returns promise
// deploys contract
// wraps it around EmbarkJS.Contract
contractObject["new"].apply(contractObject, contractParams);
});
return promise;
};
EmbarkJS.Contract.prototype.new = EmbarkJS.Contract.prototype.deploy;
EmbarkJS.Contract.prototype.at = function (address) {
return new EmbarkJS.Contract({abi: this.abi, code: this.code, address: address});
};
EmbarkJS.Contract.prototype.send = function (value, unit, _options) {
var options, wei;
if (typeof unit === 'object') {
options = unit;
wei = value;
} else {
options = _options || {};
wei = this.web3.toWei(value, unit);
}
options.to = this.address;
options.value = wei;
this.web3.eth.sendTransaction(options);
};
EmbarkJS.Storage = {};
EmbarkJS.Storage.Providers = {};
EmbarkJS.Storage.saveText = function (text) {
if (!this.currentStorage) {
throw new Error('Storage provider not set; e.g EmbarkJS.Storage.setProvider("ipfs")');
}
return this.currentStorage.saveText(text);
};
EmbarkJS.Storage.get = function (hash) {
if (!this.currentStorage) {
throw new Error('Storage provider not set; e.g EmbarkJS.Storage.setProvider("ipfs")');
}
return this.currentStorage.get(hash);
};
EmbarkJS.Storage.uploadFile = function (inputSelector) {
if (!this.currentStorage) {
throw new Error('Storage provider not set; e.g EmbarkJS.Storage.setProvider("ipfs")');
}
return this.currentStorage.uploadFile(inputSelector);
};
EmbarkJS.Storage.getUrl = function (hash) {
if (!this.currentStorage) {
throw new Error('Storage provider not set; e.g EmbarkJS.Storage.setProvider("ipfs")');
}
return this.currentStorage.getUrl(hash);
};
EmbarkJS.Storage.registerProvider = function (providerName, obj) {
EmbarkJS.Storage.Providers[providerName] = obj;
};
EmbarkJS.Storage.setProvider = function (provider, options) {
let providerObj = this.Providers[provider];
if (!providerObj) {
throw new Error('Unknown storage provider');
}
this.currentStorage = providerObj;
return providerObj.setProvider(options);
};
EmbarkJS.Storage.isAvailable = function () {
if (!this.currentStorage) {
throw new Error('Storage provider not set; e.g EmbarkJS.Storage.setProvider("ipfs")');
}
return this.currentStorage.isAvailable();
};
EmbarkJS.Messages = {};
EmbarkJS.Messages.Providers = {};
EmbarkJS.Messages.registerProvider = function (providerName, obj) {
EmbarkJS.Messages.Providers[providerName] = obj;
};
EmbarkJS.Messages.setProvider = function (provider, options) {
let providerObj = this.Providers[provider];
if (!providerObj) {
throw new Error('Unknown messages provider');
}
this.currentMessages = providerObj;
return providerObj.setProvider(options);
};
EmbarkJS.Messages.isAvailable = function () {
return this.currentMessages.isAvailable();
};
EmbarkJS.Messages.sendMessage = function (options) {
if (!this.currentMessages) {
throw new Error('Messages provider not set; e.g EmbarkJS.Messages.setProvider("whisper")');
}
return this.currentMessages.sendMessage(options);
};
EmbarkJS.Messages.listenTo = function (options, callback) {
if (!this.currentMessages) {
throw new Error('Messages provider not set; e.g EmbarkJS.Messages.setProvider("whisper")');
}
return this.currentMessages.listenTo(options, callback);
};
EmbarkJS.Names = {};
EmbarkJS.Names.Providers = {};
EmbarkJS.Names.registerProvider = function (providerName, obj) {
EmbarkJS.Names.Providers[providerName] = obj;
};
EmbarkJS.Names.setProvider = function (provider, options) {
let providerObj = this.Providers[provider];
if (!providerObj) {
throw new Error('Unknown name system provider');
}
this.currentNameSystems = providerObj;
return providerObj.setProvider(options);
};
// resolve resolves a name into an identifier of some kind
EmbarkJS.Names.resolve = function (name) {
if (!this.currentNameSystems) {
throw new Error('Name system provider not set; e.g EmbarkJS.Names.setProvider("ens")');
}
return this.currentNameSystems.resolve(name);
};
// the reverse of resolve, resolves using an identifier to get to a name
EmbarkJS.Names.lookup = function (identifier) {
if (!this.currentNameSystems) {
throw new Error('Name system provider not set; e.g EmbarkJS.Names.setProvider("ens")');
}
return this.currentNameSystems.lookup(identifier);
};
// To Implement
// register a name
EmbarkJS.Names.register = function(name, options) {
if (!this.currentNameSystems) {
throw new Error('Name system provider not set; e.g EmbarkJS.Names.setProvider("ens")');
}
return this.currentNameSystems.register(name, options);
}
EmbarkJS.Utils = {
fromAscii: function (str) {
var _web3 = new Web3();
return _web3.utils ? _web3.utils.fromAscii(str) : _web3.fromAscii(str);
},
toAscii: function (str) {
var _web3 = new Web3();
return _web3.utils.toAscii(str);
}
};
export default EmbarkJS;

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module.exports = require('./embark').default;

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const path = require('path');
const browser = {
entry: path.resolve(__dirname, 'src') + '/browser.js',
mode: 'production',
module: {
rules: [
{
test: /\.js$/,
exclude: /(node_modules|bower_components)/,
use: {
loader: 'babel-loader',
options: {
babelrc: false,
presets: [
['@babel/env']
]
}
}
}
]
},
// optimization: {
// minimize: false
// },
output: {
filename: 'embark.min.js',
library: 'EmbarkJS',
libraryTarget: 'umd',
libraryExport: 'default',
path: __dirname,
umdNamedDefine: true,
},
target: 'web'
};
module.exports = [
browser
];