105 lines
3.9 KiB
TypeScript
105 lines
3.9 KiB
TypeScript
import { blockchainTests, constants, describe, expect, hexRandom } from '@0x/contracts-test-utils';
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import { eip712Utils } from '@0x/order-utils';
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import { ZeroExTransaction } from '@0x/types';
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import { BigNumber, signTypedDataUtils } from '@0x/utils';
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import * as _ from 'lodash';
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import { artifacts, TestLibsContract } from '../src';
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blockchainTests('LibZeroExTransaction', env => {
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const CHAIN_ID = 1337;
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let libsContract: TestLibsContract;
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const randomAddress = () => hexRandom(constants.ADDRESS_LENGTH);
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const randomHash = () => hexRandom(constants.WORD_LENGTH);
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const randomUint256 = () => new BigNumber(randomHash());
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const randomAssetData = () => hexRandom(36);
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const EMPTY_TRANSACTION: ZeroExTransaction = {
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salt: constants.ZERO_AMOUNT,
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expirationTimeSeconds: constants.ZERO_AMOUNT,
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signerAddress: constants.NULL_ADDRESS,
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data: constants.NULL_BYTES,
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domain: {
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verifyingContractAddress: constants.NULL_ADDRESS,
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chainId: 0,
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},
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};
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before(async () => {
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libsContract = await TestLibsContract.deployFrom0xArtifactAsync(
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artifacts.TestLibs,
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env.provider,
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env.txDefaults,
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new BigNumber(CHAIN_ID),
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);
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});
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/**
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* Tests the `getTransactionHash()` function against a reference hash.
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*/
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async function testGetTransactionHashAsync(transaction: ZeroExTransaction): Promise<void> {
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const typedData = eip712Utils.createZeroExTransactionTypedData(transaction);
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const expectedHash = '0x'.concat(signTypedDataUtils.generateTypedDataHash(typedData).toString('hex'));
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const actualHash = await libsContract.getTransactionHash.callAsync(transaction);
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expect(actualHash).to.be.eq(expectedHash);
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}
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describe('getTransactionHash', () => {
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it('should correctly hash an empty transaction', async () => {
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await testGetTransactionHashAsync({
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...EMPTY_TRANSACTION,
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domain: {
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verifyingContractAddress: libsContract.address,
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chainId: 1337,
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},
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});
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});
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it('should correctly hash a non-empty transaction', async () => {
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await testGetTransactionHashAsync({
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salt: randomUint256(),
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expirationTimeSeconds: randomUint256(),
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signerAddress: randomAddress(),
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data: randomAssetData(),
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domain: {
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verifyingContractAddress: libsContract.address,
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chainId: 1337,
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},
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});
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});
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});
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/**
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* Tests the `_hashZeroExTransaction()` function against a reference hash.
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*/
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async function testHashZeroExTransactionAsync(transaction: ZeroExTransaction): Promise<void> {
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const typedData = eip712Utils.createZeroExTransactionTypedData(transaction);
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const expectedHash = '0x'.concat(
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signTypedDataUtils.generateTypedDataHashWithoutDomain(typedData).toString('hex'),
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);
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const actualHash = await libsContract.hashZeroExTransaction.callAsync(transaction);
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expect(actualHash).to.be.eq(expectedHash);
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}
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describe('hashOrder', () => {
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it('should correctly hash an empty transaction', async () => {
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await testHashZeroExTransactionAsync(EMPTY_TRANSACTION);
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});
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it('should correctly hash a non-empty transaction', async () => {
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await testHashZeroExTransactionAsync({
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salt: randomUint256(),
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expirationTimeSeconds: randomUint256(),
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signerAddress: randomAddress(),
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data: randomAssetData(),
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// The domain is not used in this test, so it's okay if it is left empty.
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domain: {
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verifyingContractAddress: constants.NULL_ADDRESS,
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chainId: 0,
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},
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});
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});
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});
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});
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