74 lines
2.0 KiB
JavaScript
74 lines
2.0 KiB
JavaScript
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// Copyright 2015, 2016 Ethcore (UK) Ltd.
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// This file is part of Parity.
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// Parity is free software: you can redistribute it and/or modify
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// it under the terms of the GNU 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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// Parity 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 General Public License for more details.
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// You should have received a copy of the GNU General Public License
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// along with Parity. If not, see <http://www.gnu.org/licenses/>.
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import Constructor from './constructor';
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import Event from './event/event';
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import Func from './function';
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import Token from '../token';
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export default class Interface {
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constructor (abi) {
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this._interface = Interface.parseABI(abi);
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}
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get interface () {
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return this._interface;
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}
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get constructors () {
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return this._interface.filter((item) => item instanceof Constructor);
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}
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get events () {
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return this._interface.filter((item) => item instanceof Event);
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}
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get functions () {
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return this._interface.filter((item) => item instanceof Func);
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}
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encodeTokens (paramTypes, values) {
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const createToken = function (paramType, value) {
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if (paramType.subtype) {
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return new Token(paramType.type, value.map((entry) => createToken(paramType.subtype, entry)));
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}
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return new Token(paramType.type, value);
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};
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return paramTypes.map((paramType, idx) => createToken(paramType, values[idx]));
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}
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static parseABI (abi) {
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return abi.map((item) => {
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switch (item.type) {
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case 'constructor':
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return new Constructor(item);
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case 'event':
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return new Event(item);
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case 'function':
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case 'fallback':
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return new Func(item);
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default:
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throw new Error(`Unknown ABI type ${item.type}`);
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}
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});
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}
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}
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