76 lines
2.6 KiB
JavaScript
76 lines
2.6 KiB
JavaScript
/*
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This file is part of web3.js.
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web3.js is free software: you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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web3.js is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with web3.js. If not, see <http://www.gnu.org/licenses/>.
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*/
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/**
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* @file index.js
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* @author Fabian Vogelsteller <fabian@ethereum.org>
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* @date 2017
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*/
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const requestManager = require("web3-core-requestmanager");
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const extend = require("./extend");
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const packageInit = (pkg, args) => {
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args = Array.prototype.slice.call(args);
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if (!pkg) {
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throw new Error('You need to instantiate using the "new" keyword.');
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}
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// make property of pkg._provider, which can properly set providers
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Object.defineProperty(pkg, 'currentProvider', {
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get: () => {
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return pkg._provider;
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},
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set: (value) => {
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return pkg.setProvider(value);
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},
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enumerable: true,
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configurable: true
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});
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// inherit from parent package or create a new RequestManager
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if (args[0] && args[0]._requestManager) {
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pkg._requestManager = args[0]._requestManager;
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}
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else {
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pkg._requestManager = new requestManager.Manager(args[0], args[1]);
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}
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// add givenProvider
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pkg.givenProvider = requestManager.Manager.givenProvider;
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pkg.providers = requestManager.Manager.providers;
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pkg._provider = pkg._requestManager.provider;
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// add SETPROVIDER function (don't overwrite if already existing)
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if (!pkg.setProvider) {
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pkg.setProvider = (provider, net) => {
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pkg._requestManager.setProvider(provider, net);
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pkg._provider = pkg._requestManager.provider;
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return true;
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};
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}
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pkg.setRequestManager = (manager) => {
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pkg._requestManager = manager;
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pkg._provider = manager.provider;
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};
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// attach batch request creation
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pkg.BatchRequest = requestManager.BatchManager.bind(null, pkg._requestManager);
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// attach extend function
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pkg.extend = extend(pkg);
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};
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const addProviders = (pkg) => {
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pkg.givenProvider = requestManager.Manager.givenProvider;
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pkg.providers = requestManager.Manager.providers;
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};
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module.exports = {
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packageInit,
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addProviders
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};
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