98 lines
3.3 KiB
JavaScript
98 lines
3.3 KiB
JavaScript
// 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 BigNumber from 'bignumber.js';
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import { decodeCallData, decodeMethodInput, methodToAbi } from './decode';
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describe('api/util/decode', () => {
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const METH = '0x70a08231';
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const ENCO = '0x70a082310000000000000000000000005A5eFF38DA95b0D58b6C616f2699168B480953C9';
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const DATA = '0x0000000000000000000000005A5eFF38DA95b0D58b6C616f2699168B480953C9';
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describe('decodeCallData', () => {
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it('throws on non-hex inputs', () => {
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expect(() => decodeCallData('invalid')).to.throw(/should be a hex value/);
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});
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it('throws when invalid signature length', () => {
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expect(() => decodeCallData(METH.slice(-6))).to.throw(/should be method signature/);
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});
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it('splits valid inputs properly', () => {
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expect(decodeCallData(ENCO)).to.deep.equal({
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signature: METH,
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paramdata: DATA
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});
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});
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});
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describe('decodeMethodInput', () => {
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it('expects a valid ABI', () => {
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expect(() => decodeMethodInput(null, null)).to.throw(/should receive valid method/);
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});
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it('expect valid hex parameter data', () => {
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expect(() => decodeMethodInput({}, 'invalid')).to.throw(/should be a hex value/);
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});
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it('throws on invalid lengths', () => {
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expect(() => decodeMethodInput({}, DATA.slice(-32))).to.throw(/not a multiple of/);
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});
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it('correctly decodes valid inputs', () => {
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expect(decodeMethodInput({
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type: 'function',
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inputs: [
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{ type: 'uint' }
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]
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}, DATA)).to.deep.equal([ new BigNumber('0x5a5eff38da95b0d58b6c616f2699168b480953c9') ]);
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});
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});
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describe('methodToAbi', () => {
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it('throws when no start ( specified', () => {
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expect(() => methodToAbi('invalid,uint,bool)')).to.throw(/Missing start \(/);
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});
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it('throws when no end ) specified', () => {
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expect(() => methodToAbi('invalid(uint,bool')).to.throw(/Missing end \)/);
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});
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it('throws when end ) is not in the last position', () => {
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expect(() => methodToAbi('invalid(uint,bool)2')).to.throw(/Extra characters after end \)/);
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});
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it('throws when start ( is after end )', () => {
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expect(() => methodToAbi('invalid)uint,bool(')).to.throw(/End \) is before start \(/);
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});
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it('throws when invalid types are present', () => {
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expect(() => methodToAbi('method(invalidType,bool,uint)')).to.throw(/Cannot convert invalidType/);
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});
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it('returns a valid methodabi for a valid method', () => {
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expect(methodToAbi('valid(uint,bool)')).to.deep.equals({
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type: 'function',
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name: 'valid',
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inputs: [
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{ type: 'uint256' },
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{ type: 'bool' }
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]
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});
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});
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});
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});
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