112 lines
4.6 KiB
JavaScript
112 lines
4.6 KiB
JavaScript
// Copyright 2015-2017 Parity Technologies (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 BigNumber from 'bignumber.js';
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import Event from './event';
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import EventParam from './eventParam';
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import DecodedLogParam from './decodedLogParam';
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import ParamType from '../paramType';
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import Token from '../../token';
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describe('abi/spec/event/Event', () => {
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const inputArr = [{ name: 'a', type: 'bool' }, { name: 'b', type: 'uint', indexed: true }];
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const inputs = [new EventParam('a', 'bool', false), new EventParam('b', 'uint', true)];
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const event = new Event({ name: 'test', inputs: inputArr, anonymous: true });
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describe('constructor', () => {
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it('stores the parameters as received', () => {
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expect(event.name).to.equal('test');
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expect(event.inputs).to.deep.equal(inputs);
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expect(event.anonymous).to.be.true;
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});
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it('matches empty inputs with []', () => {
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expect(new Event({ name: 'test' }).inputs).to.deep.equal([]);
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});
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it('sets the event signature', () => {
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expect(new Event({ name: 'baz' }).signature)
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.to.equal('a7916fac4f538170f7cd12c148552e2cba9fcd72329a2dd5b07a6fa906488ddf');
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});
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});
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describe('inputParamTypes', () => {
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it('returns all the types', () => {
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expect(event.inputParamTypes()).to.deep.equal([new ParamType('bool'), new ParamType('uint', null, 256, true)]);
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});
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});
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describe('inputParamNames', () => {
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it('returns all the names', () => {
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expect(event.inputParamNames()).to.deep.equal(['a', 'b']);
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});
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});
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describe('indexedParams', () => {
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it('returns all indexed parameters (indexed)', () => {
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expect(event.indexedParams(true)).to.deep.equal([inputs[1]]);
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});
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it('returns all indexed parameters (non-indexed)', () => {
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expect(event.indexedParams(false)).to.deep.equal([inputs[0]]);
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});
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});
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describe('decodeLog', () => {
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it('decodes an event', () => {
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const event = new Event({
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name: 'foo',
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inputs: [
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{ name: 'a', type: 'int' },
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{ name: 'b', type: 'int', indexed: true },
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{ name: 'c', type: 'address' },
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{ name: 'd', type: 'address', indexed: true }
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]
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});
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const decoded = event.decodeLog([
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'0000000000000000000000004444444444444444444444444444444444444444',
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'0000000000000000000000000000000000000000000000000000000000000002',
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'0000000000000000000000001111111111111111111111111111111111111111' ],
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'00000000000000000000000000000000000000000000000000000000000000030000000000000000000000002222222222222222222222222222222222222222');
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expect(decoded.address).to.equal('0x4444444444444444444444444444444444444444');
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expect(decoded.params).to.deep.equal([
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new DecodedLogParam('a', new ParamType('int', null, 256), new Token('int', new BigNumber(3))),
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new DecodedLogParam('b', new ParamType('int', null, 256, true), new Token('int', new BigNumber(2))),
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new DecodedLogParam('c', new ParamType('address'), new Token('address', '0x2222222222222222222222222222222222222222')),
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new DecodedLogParam('d', new ParamType('address', null, 0, true), new Token('address', '0x1111111111111111111111111111111111111111'))
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]);
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});
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it('decodes an anonymous event', () => {
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const event = new Event({ name: 'foo', inputs: [{ name: 'a', type: 'int' }], anonymous: true });
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const decoded = event.decodeLog([], '0000000000000000000000000000000000000000000000000000000000000003');
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expect(decoded.address).to.not.be.ok;
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expect(decoded.params).to.deep.equal([
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new DecodedLogParam('a', new ParamType('int', null, 256), new Token('int', new BigNumber(3)))
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]);
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});
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it('throws on invalid topics', () => {
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const event = new Event({ name: 'foo', inputs: [{ name: 'a', type: 'int' }], anonymous: true });
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expect(() => event.decodeLog(['0000000000000000000000004444444444444444444444444444444444444444'], '0000000000000000000000000000000000000000000000000000000000000003')).to.throw(/Invalid/);
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});
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});
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});
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