118 lines
4.3 KiB
JavaScript
118 lines
4.3 KiB
JavaScript
let utils = require('../../utils/utils');
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const EmbarkJS = require('embarkjs');
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const IpfsApi = require('ipfs-api');
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const Web3 = require('web3');
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class Console {
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constructor(_embark, options) {
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this.events = options.events;
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this.plugins = options.plugins;
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this.version = options.version;
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this.logger = options.logger;
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this.ipc = options.ipc;
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this.config = options.config;
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if (this.ipc.isServer()) {
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this.ipc.on('console:executeCmd', this.executeCmd.bind(this));
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}
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this.events.setCommandHandler("console:executeCmd", this.executeCmd.bind(this));
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this.registerEmbarkJs();
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}
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processEmbarkCmd (cmd) {
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if (cmd === 'help' || cmd === __('help')) {
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let helpText = [
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__('Welcome to Embark') + ' ' + this.version,
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'',
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__('possible commands are:'),
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'versions - ' + __('display versions in use for libraries and tools like web3 and solc'),
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// TODO: only if the blockchain is actually active!
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// will need to pass te current embark state here
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'ipfs - ' + __('instantiated js-ipfs object configured to the current environment (available if ipfs is enabled)'),
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'swarm - ' + __('instantiated swarm-api object configured to the current environment (available if swarm is enabled)'),
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'web3 - ' + __('instantiated web3.js object configured to the current environment'),
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'EmbarkJS - ' + __('EmbarkJS static functions for Storage, Messages, Names, etc.'),
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'quit - ' + __('to immediatly exit (alias: exit)'),
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'',
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__('The web3 object and the interfaces for the deployed contracts and their methods are also available')
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];
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return helpText.join('\n');
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} else if (['quit', 'exit', 'sair', 'sortir', __('quit')].indexOf(cmd) >= 0) {
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utils.exit();
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}
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return false;
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}
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executeCmd(cmd, callback) {
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var pluginCmds = this.plugins.getPluginsProperty('console', 'console');
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for (let pluginCmd of pluginCmds) {
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let pluginResult = pluginCmd.call(this, cmd, {});
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if(typeof pluginResult !== 'object'){
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if (pluginResult !== false && pluginResult !== 'false' && pluginResult !== undefined) {
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this.logger.warn("[DEPRECATED] In future versions of embark, we expect the console command to return an object " +
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"having 2 functions: match and process. The documentation with example can be found here: https://embark.status.im/docs/plugin_reference.html#embark-registerConsoleCommand-callback-options");
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return callback(null, pluginResult);
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}
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} else if (pluginResult.match()) {
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return pluginResult.process(callback);
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}
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}
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let output = this.processEmbarkCmd(cmd);
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if (output) {
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return callback(null, output);
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}
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try {
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this.events.request('runcode:eval', cmd, callback);
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}
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catch (e) {
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if (this.ipc.connected && this.ipc.isClient()) {
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return this.ipc.request('console:executeCmd', cmd, callback);
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}
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callback(e);
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}
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}
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registerEmbarkJs() {
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this.events.emit('runcode:register', 'IpfsApi', IpfsApi, false);
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this.events.emit('runcode:register', 'Web3', Web3, false);
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this.events.emit('runcode:register', 'EmbarkJS', EmbarkJS, false);
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EmbarkJS.Blockchain.done = true;
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if (this.ipc.connected) {
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return;
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}
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this.events.once('code-generator-ready', () => {
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this.events.request('code-generator:embarkjs:provider-code', (code) => {
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const func = () => {};
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this.events.request('runcode:eval', code, func, true);
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this.events.request('runcode:eval', this.getInitProviderCode(), func, true);
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});
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});
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}
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getInitProviderCode() {
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const codeTypes = {
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'communication': this.config.communicationConfig || {},
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'names': this.config.namesystemConfig || {},
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'storage': this.config.storageConfig || {}
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};
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return this.plugins.getPluginsFor('initConsoleCode').reduce((acc, plugin) => {
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Object.keys(codeTypes).forEach(codeTypeName => {
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(plugin.embarkjs_init_console_code[codeTypeName] || []).forEach(initCode => {
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let [block, shouldInit] = initCode;
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if (shouldInit.call(plugin, codeTypes[codeTypeName])) {
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acc += block;
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}
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});
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});
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return acc;
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}, '');
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}
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}
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module.exports = Console;
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