266 lines
14 KiB
TypeScript
266 lines
14 KiB
TypeScript
import { BlockchainLifecycle, devConstants, web3Factory } from '@0xproject/dev-utils';
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import { LogWithDecodedArgs, TransactionReceiptWithDecodedLogs } from '@0xproject/types';
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import { BigNumber } from '@0xproject/utils';
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import { Web3Wrapper } from '@0xproject/web3-wrapper';
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import BN = require('bn.js');
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import * as chai from 'chai';
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import ethUtil = require('ethereumjs-util');
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import * as Web3 from 'web3';
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import { TestLibBytesContract } from '../../src/contract_wrappers/generated/test_lib_bytes';
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import { artifacts } from '../../src/utils/artifacts';
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import { chaiSetup } from '../../src/utils/chai_setup';
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import { constants } from '../../src/utils/constants';
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import { AssetProxyId } from '../../src/utils/types';
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import { provider, txDefaults, web3Wrapper } from '../../src/utils/web3_wrapper';
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chaiSetup.configure();
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const expect = chai.expect;
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const blockchainLifecycle = new BlockchainLifecycle(web3Wrapper);
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describe('LibBytes', () => {
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let owner: string;
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let libBytes: TestLibBytesContract;
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const byteArrayShorterThan32Bytes = '0x012345';
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const byteArrayLongerThan32Bytes =
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'0x0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef';
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const byteArrayLongerThan32BytesFirstBytesSwapped =
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'0x2301456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef';
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const byteArrayLongerThan32BytesLastBytesSwapped =
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'0x0123456789abcdef0123456789abcdef0123456789abcdef0123456789abcdef0123456789abefcd';
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let testAddress: string;
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const testBytes32 = '0x102030405060708090a0b0c0d0e0f0102030405060708090a0b0c0d0e0f01020';
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const testUint256 = new BigNumber(testBytes32, 16);
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before(async () => {
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await blockchainLifecycle.startAsync();
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});
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after(async () => {
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await blockchainLifecycle.revertAsync();
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});
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before(async () => {
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// Setup accounts & addresses
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const accounts = await web3Wrapper.getAvailableAddressesAsync();
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owner = accounts[0];
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testAddress = accounts[1];
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// Deploy LibBytes
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libBytes = await TestLibBytesContract.deployFrom0xArtifactAsync(artifacts.TestLibBytes, provider, txDefaults);
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// Verify lengths of test data
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const byteArrayShorterThan32BytesLength = ethUtil.toBuffer(byteArrayShorterThan32Bytes).byteLength;
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expect(byteArrayShorterThan32BytesLength).to.be.lessThan(32);
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const byteArrayLongerThan32BytesLength = ethUtil.toBuffer(byteArrayLongerThan32Bytes).byteLength;
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expect(byteArrayLongerThan32BytesLength).to.be.greaterThan(32);
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const testBytes32Length = ethUtil.toBuffer(testBytes32).byteLength;
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expect(testBytes32Length).to.be.equal(32);
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});
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beforeEach(async () => {
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await blockchainLifecycle.startAsync();
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});
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afterEach(async () => {
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await blockchainLifecycle.revertAsync();
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});
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describe('areBytesEqual', () => {
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it('should return true if byte arrays are equal (both arrays < 32 bytes)', async () => {
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const areBytesEqual = await libBytes.publicAreBytesEqual.callAsync(
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byteArrayShorterThan32Bytes,
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byteArrayShorterThan32Bytes,
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);
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return expect(areBytesEqual).to.be.true();
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});
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it('should return true if byte arrays are equal (both arrays > 32 bytes)', async () => {
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const areBytesEqual = await libBytes.publicAreBytesEqual.callAsync(
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byteArrayLongerThan32Bytes,
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byteArrayLongerThan32Bytes,
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);
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return expect(areBytesEqual).to.be.true();
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});
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it('should return false if byte arrays are not equal (first array < 32 bytes, second array > 32 bytes)', async () => {
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const areBytesEqual = await libBytes.publicAreBytesEqual.callAsync(
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byteArrayShorterThan32Bytes,
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byteArrayLongerThan32Bytes,
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);
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return expect(areBytesEqual).to.be.false();
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});
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it('should return false if byte arrays are not equal (first array > 32 bytes, second array < 32 bytes)', async () => {
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const areBytesEqual = await libBytes.publicAreBytesEqual.callAsync(
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byteArrayLongerThan32Bytes,
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byteArrayShorterThan32Bytes,
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);
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return expect(areBytesEqual).to.be.false();
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});
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it('should return false if byte arrays are not equal (same length, but a byte in first word differs)', async () => {
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const areBytesEqual = await libBytes.publicAreBytesEqual.callAsync(
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byteArrayLongerThan32BytesFirstBytesSwapped,
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byteArrayLongerThan32Bytes,
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);
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return expect(areBytesEqual).to.be.false();
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});
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it('should return false if byte arrays are not equal (same length, but a byte in last word differs)', async () => {
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const areBytesEqual = await libBytes.publicAreBytesEqual.callAsync(
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byteArrayLongerThan32BytesLastBytesSwapped,
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byteArrayLongerThan32Bytes,
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);
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return expect(areBytesEqual).to.be.false();
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});
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});
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describe('readAddress', () => {
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it('should successfully read address when the address takes up the whole array)', async () => {
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const byteArray = ethUtil.addHexPrefix(testAddress);
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const testAddressOffset = new BigNumber(0);
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const address = await libBytes.publicReadAddress.callAsync(byteArray, testAddressOffset);
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return expect(address).to.be.equal(testAddress);
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});
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it('should successfully read address when it is offset in the array)', async () => {
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const addressByteArrayBuffer = ethUtil.toBuffer(testAddress);
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const prefixByteArrayBuffer = ethUtil.toBuffer('0xabcdef');
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const combinedByteArrayBuffer = Buffer.concat([prefixByteArrayBuffer, addressByteArrayBuffer]);
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const combinedByteArray = ethUtil.bufferToHex(combinedByteArrayBuffer);
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const testAddressOffset = new BigNumber(prefixByteArrayBuffer.byteLength);
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const address = await libBytes.publicReadAddress.callAsync(combinedByteArray, testAddressOffset);
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return expect(address).to.be.equal(testAddress);
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});
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it('should fail if the byte array is too short to hold an address)', async () => {
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const shortByteArray = '0xabcdef';
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const offset = new BigNumber(0);
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return expect(libBytes.publicReadAddress.callAsync(shortByteArray, offset)).to.be.rejectedWith(
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constants.REVERT,
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);
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});
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it('should fail if the length between the offset and end of the byte array is too short to hold an address)', async () => {
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const byteArray = ethUtil.addHexPrefix(testAddress);
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const badOffset = new BigNumber(ethUtil.toBuffer(byteArray).byteLength);
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return expect(libBytes.publicReadAddress.callAsync(byteArray, badOffset)).to.be.rejectedWith(
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constants.REVERT,
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);
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});
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});
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/// @TODO Implement test cases for writeAddress. Test template below.
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/// Currently, the generated contract wrappers do not support this library's write methods.
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/*
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describe('writeAddress', () => {
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it('should successfully write address when the address takes up the whole array)', async () => {});
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it('should successfully write address when it is offset in the array)', async () => {});
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it('should fail if the byte array is too short to hold an address)', async () => {});
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it('should fail if the length between the offset and end of the byte array is too short to hold an address)', async () => {});
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});
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*/
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describe('readBytes32', () => {
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it('should successfully read bytes32 when the bytes32 takes up the whole array)', async () => {
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const testBytes32Offset = new BigNumber(0);
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const bytes32 = await libBytes.publicReadBytes32.callAsync(testBytes32, testBytes32Offset);
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return expect(bytes32).to.be.equal(testBytes32);
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});
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it('should successfully read bytes32 when it is offset in the array)', async () => {
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const bytes32ByteArrayBuffer = ethUtil.toBuffer(testBytes32);
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const prefixByteArrayBuffer = ethUtil.toBuffer('0xabcdef');
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const combinedByteArrayBuffer = Buffer.concat([prefixByteArrayBuffer, bytes32ByteArrayBuffer]);
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const combinedByteArray = ethUtil.bufferToHex(combinedByteArrayBuffer);
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const testAddressOffset = new BigNumber(prefixByteArrayBuffer.byteLength);
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const bytes32 = await libBytes.publicReadBytes32.callAsync(combinedByteArray, testAddressOffset);
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return expect(bytes32).to.be.equal(testBytes32);
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});
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it('should fail if the byte array is too short to hold a bytes32)', async () => {
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const offset = new BigNumber(0);
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return expect(libBytes.publicReadBytes32.callAsync(byteArrayShorterThan32Bytes, offset)).to.be.rejectedWith(
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constants.REVERT,
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);
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});
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it('should fail if the length between the offset and end of the byte array is too short to hold a bytes32)', async () => {
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const badOffset = new BigNumber(ethUtil.toBuffer(testBytes32).byteLength);
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return expect(libBytes.publicReadBytes32.callAsync(testBytes32, badOffset)).to.be.rejectedWith(
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constants.REVERT,
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);
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});
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});
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/// @TODO Implement test cases for writeBytes32. Test template below.
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/// Currently, the generated contract wrappers do not support this library's write methods.
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/*
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describe('writeBytes32', () => {
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it('should successfully write bytes32 when the address takes up the whole array)', async () => {});
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it('should successfully write bytes32 when it is offset in the array)', async () => {});
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it('should fail if the byte array is too short to hold a bytes32)', async () => {});
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it('should fail if the length between the offset and end of the byte array is too short to hold a bytes32)', async () => {});
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});
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*/
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describe('readUint256', () => {
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it('should successfully read uint256 when the uint256 takes up the whole array)', async () => {
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const formattedTestUint256 = new BN(testUint256.toString(10));
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const testUint256AsBuffer = ethUtil.toBuffer(formattedTestUint256);
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const byteArray = ethUtil.bufferToHex(testUint256AsBuffer);
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const testUint256Offset = new BigNumber(0);
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const uint256 = await libBytes.publicReadUint256.callAsync(byteArray, testUint256Offset);
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return expect(uint256).to.bignumber.equal(testUint256);
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});
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it('should successfully read uint256 when it is offset in the array)', async () => {
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const prefixByteArrayBuffer = ethUtil.toBuffer('0xabcdef');
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const formattedTestUint256 = new BN(testUint256.toString(10));
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const testUint256AsBuffer = ethUtil.toBuffer(formattedTestUint256);
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const combinedByteArrayBuffer = Buffer.concat([prefixByteArrayBuffer, testUint256AsBuffer]);
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const combinedByteArray = ethUtil.bufferToHex(combinedByteArrayBuffer);
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const testUint256Offset = new BigNumber(prefixByteArrayBuffer.byteLength);
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const uint256 = await libBytes.publicReadUint256.callAsync(combinedByteArray, testUint256Offset);
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return expect(uint256).to.bignumber.equal(testUint256);
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});
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it('should fail if the byte array is too short to hold a uint256)', async () => {
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const offset = new BigNumber(0);
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return expect(libBytes.publicReadUint256.callAsync(byteArrayShorterThan32Bytes, offset)).to.be.rejectedWith(
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constants.REVERT,
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);
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});
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it('should fail if the length between the offset and end of the byte array is too short to hold a uint256)', async () => {
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const formattedTestUint256 = new BN(testUint256.toString(10));
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const testUint256AsBuffer = ethUtil.toBuffer(formattedTestUint256);
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const byteArray = ethUtil.bufferToHex(testUint256AsBuffer);
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const badOffset = new BigNumber(testUint256AsBuffer.byteLength);
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return expect(libBytes.publicReadUint256.callAsync(byteArray, badOffset)).to.be.rejectedWith(
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constants.REVERT,
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);
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});
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});
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/// @TODO Implement test cases for writeUint256. Test template below.
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/// Currently, the generated contract wrappers do not support this library's write methods.
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/*
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describe('writeUint256', () => {
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it('should successfully write uint256 when the address takes up the whole array)', async () => {});
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it('should successfully write uint256 when it is offset in the array)', async () => {});
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it('should fail if the byte array is too short to hold a uint256)', async () => {});
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it('should fail if the length between the offset and end of the byte array is too short to hold a uint256)', async () => {});
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});
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*/
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describe('readFirst4', () => {
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it('should revert if byte array has a length < 4', async () => {
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const byteArrayLessThan4Bytes = '0x010101';
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return expect(libBytes.publicReadFirst4.callAsync(byteArrayLessThan4Bytes)).to.be.rejectedWith(
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constants.REVERT,
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);
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});
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it('should return the first 4 bytes of a byte array of arbitrary length', async () => {
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const first4Bytes = await libBytes.publicReadFirst4.callAsync(byteArrayLongerThan32Bytes);
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const expectedFirst4Bytes = byteArrayLongerThan32Bytes.slice(0, 10);
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expect(first4Bytes).to.equal(expectedFirst4Bytes);
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});
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});
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});
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