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import {ZeroEx} from '../src/ts/0x.js';
import {expect} from 'chai';
import 'mocha';
describe('ZeroEx library', () => {
describe('#isValidSignature', () => {
// Source: https://github.com/ethereum/wiki/wiki/JSON-RPC#eth_sign
const data = '0xdeadbeaf';
const signature = {
v: 27,
r: '0xa3f20717a250c2b0b729b7e5becbff67fdaef7e0699da4de7ca5895b02a170a1',
s: '0x2d887fd3b17bfdce3481f10bea41f45ba9f709d39ce8325427b57afcfc994cee',
};
const address = '0x9b2055d370f73ec7d8a03e965129118dc8f5bf83';
describe('should return false for malformed signature', () => {
it('malformed v', () => {
const malformedSignature = {
v: 34,
r: signature.r,
s: signature.s,
};
const isValid = ZeroEx.isValidSignature(data, malformedSignature, address);
expect(isValid).to.be.false;
});
it('r lacks 0x prefix', () => {
const malformedR = signature.r.replace('0x', '');
const malformedSignature = {
v: signature.v,
r: malformedR,
s: signature.s,
};
const isValid = ZeroEx.isValidSignature(data, malformedSignature, address);
expect(isValid).to.be.false;
});
it('r is too short', () => {
const malformedR = signature.r.substr(10);
const malformedSignature = {
v: signature.v,
r: malformedR,
s: signature.s,
};
const isValid = ZeroEx.isValidSignature(data, malformedSignature, address);
expect(isValid).to.be.false;
});
});
it('should return false if the data doesn\'t pertain to the signature & address', () => {
const isValid = ZeroEx.isValidSignature('wrong data', signature, address);
expect(isValid).to.be.false;
});
it('should return false if the address doesn\'t pertain to the signature & data', () => {
const isValid = ZeroEx.isValidSignature(data, signature, '0xIamWrong');
expect(isValid).to.be.false;
});
it('should return false if the signature doesn\'t pertain to the data & address', () => {
const wrongSignature = Object.assign({}, signature, {v: 28});
const isValid = ZeroEx.isValidSignature(data, wrongSignature, address);
expect(isValid).to.be.false;
});
it('should return true for valid signature', () => {
const isValid = ZeroEx.isValidSignature(data, signature, address);
expect(isValid).to.be.true;
});
});
});
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