86 lines
3.9 KiB
TypeScript
86 lines
3.9 KiB
TypeScript
import {ZeroEx} from '../src/ts/0x.js';
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import {expect} from 'chai';
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import 'mocha';
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import * as BigNumber from 'bignumber.js';
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describe('ZeroEx library', () => {
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describe('#isValidSignature', () => {
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// This test data was borrowed from the JSON RPC documentation
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// Source: https://github.com/ethereum/wiki/wiki/JSON-RPC#eth_sign
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const data = '0xdeadbeaf';
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const signature = {
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v: 27,
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r: '0xa3f20717a250c2b0b729b7e5becbff67fdaef7e0699da4de7ca5895b02a170a1',
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s: '0x2d887fd3b17bfdce3481f10bea41f45ba9f709d39ce8325427b57afcfc994cee',
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};
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const address = '0x9b2055d370f73ec7d8a03e965129118dc8f5bf83';
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describe('should throw if passed a malformed signature', () => {
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it('malformed v', () => {
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const malformedSignature = {
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v: 34,
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r: signature.r,
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s: signature.s,
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};
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expect(() => ZeroEx.isValidSignature(data, malformedSignature, address)).to.throw();
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});
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it('r lacks 0x prefix', () => {
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const malformedR = signature.r.replace('0x', '');
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const malformedSignature = {
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v: signature.v,
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r: malformedR,
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s: signature.s,
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};
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expect(() => ZeroEx.isValidSignature(data, malformedSignature, address)).to.throw();
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});
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it('r is too short', () => {
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const malformedR = signature.r.substr(10);
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const malformedSignature = {
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v: signature.v,
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r: malformedR,
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s: signature.s.replace('0', 'z'),
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};
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expect(() => ZeroEx.isValidSignature(data, malformedSignature, address)).to.throw();
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});
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it('s is not hex', () => {
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const malformedS = signature.s.replace('0', 'z');
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const malformedSignature = {
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v: signature.v,
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r: signature.r,
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s: malformedS,
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};
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expect(() => ZeroEx.isValidSignature(data, malformedSignature, address)).to.throw();
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});
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});
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it('should return false if the data doesn\'t pertain to the signature & address', () => {
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const isValid = ZeroEx.isValidSignature('wrong data', signature, address);
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expect(isValid).to.be.false;
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});
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it('should return false if the address doesn\'t pertain to the signature & data', () => {
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const validUnrelatedAddress = '0x8b0292B11a196601eD2ce54B665CaFEca0347D42';
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const isValid = ZeroEx.isValidSignature(data, signature, validUnrelatedAddress);
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expect(isValid).to.be.false;
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});
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it('should return false if the signature doesn\'t pertain to the data & address', () => {
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const wrongSignature = Object.assign({}, signature, {v: 28});
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const isValid = ZeroEx.isValidSignature(data, wrongSignature, address);
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expect(isValid).to.be.false;
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});
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it('should return true if the signature does pertain to the data & address', () => {
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const isValid = ZeroEx.isValidSignature(data, signature, address);
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expect(isValid).to.be.true;
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});
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});
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describe('#generateSalt', () => {
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it('generates different salts', () => {
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const equal = ZeroEx.generatePseudoRandomSalt().eq(ZeroEx.generatePseudoRandomSalt());
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expect(equal).to.be.false;
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});
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it('generates salt in range [0..2^256)', () => {
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const salt = ZeroEx.generatePseudoRandomSalt();
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expect(salt.greaterThanOrEqualTo(0)).to.be.true;
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const twoPow256 = new BigNumber(2).pow(256);
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expect(salt.lessThan(twoPow256)).to.be.true;
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});
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});
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});
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