mirror of https://github.com/status-im/web3.js.git
71 lines
2.1 KiB
JavaScript
71 lines
2.1 KiB
JavaScript
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/*
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This file is part of ethereum.js.
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ethereum.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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ethereum.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 ethereum.js. If not, see <http://www.gnu.org/licenses/>.
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*/
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/**
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* @file method.js
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* @author Marek Kotewicz <marek@ethdev.com>
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* @date 2015
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*/
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var utils = require('../utils/utils');
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var errors = require('./errors');
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var Method = function (options) {
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this.name = options.name;
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this.call = options.call;
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this.params = options.params || 0;
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this.inputFormatter = options.inputFormatter;
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this.outputFormatter = options.outputFormatter;
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};
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Method.prototype.getCall = function (args) {
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return utils.isFunction(this.call) ? this.call(args) : this.call;
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};
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Method.prototype.extractCallback = function (args) {
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if (utils.isFunction(args[args.length - 1])) {
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return args.pop(); // modify the args array!
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}
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return null;
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};
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Method.prototype.validateArgs = function (args) {
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if (args.length !== this.params) {
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throw errors.InvalidNumberOfParams;
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}
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};
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Method.prototype.formatInput = function (args) {
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return this.inputFormatter ? this.inputFormatter(args) : args;
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};
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Method.prototype.formatOutput = function (result) {
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return this.outputFormatter && result ? this.outputFormatter(result) : result;
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};
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Method.prototype.attachToObject = function (obj, func) {
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var name = this.name.split('.');
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if (name.length > 1) {
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obj[name[0]] = obj[name[0]] || {};
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obj[name[0]][name[1]] = func;
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} else {
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obj[name[0]] = func;
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}
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};
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module.exports = Method;
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