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Diffstat (limited to 'packages/contracts/test/exchange/internal.ts')
| -rw-r--r-- | packages/contracts/test/exchange/internal.ts | 466 |
1 files changed, 0 insertions, 466 deletions
diff --git a/packages/contracts/test/exchange/internal.ts b/packages/contracts/test/exchange/internal.ts deleted file mode 100644 index 109be29c6..000000000 --- a/packages/contracts/test/exchange/internal.ts +++ /dev/null @@ -1,466 +0,0 @@ -import { BlockchainLifecycle } from '@0x/dev-utils'; -import { Order, RevertReason, SignedOrder } from '@0x/types'; -import { BigNumber } from '@0x/utils'; -import * as chai from 'chai'; -import * as _ from 'lodash'; - -import { TestExchangeInternalsContract } from '../../generated-wrappers/test_exchange_internals'; -import { artifacts } from '../../src/artifacts'; -import { getRevertReasonOrErrorMessageForSendTransactionAsync } from '../utils/assertions'; -import { chaiSetup } from '../utils/chai_setup'; -import { bytes32Values, testCombinatoriallyWithReferenceFuncAsync, uint256Values } from '../utils/combinatorial_utils'; -import { constants } from '../utils/constants'; -import { FillResults } from '../utils/types'; -import { provider, txDefaults, web3Wrapper } from '../utils/web3_wrapper'; - -chaiSetup.configure(); -const expect = chai.expect; - -const blockchainLifecycle = new BlockchainLifecycle(web3Wrapper); - -const MAX_UINT256 = new BigNumber(2).pow(256).minus(1); - -const emptyOrder: Order = { - senderAddress: constants.NULL_ADDRESS, - makerAddress: constants.NULL_ADDRESS, - takerAddress: constants.NULL_ADDRESS, - makerFee: new BigNumber(0), - takerFee: new BigNumber(0), - makerAssetAmount: new BigNumber(0), - takerAssetAmount: new BigNumber(0), - makerAssetData: '0x', - takerAssetData: '0x', - salt: new BigNumber(0), - exchangeAddress: constants.NULL_ADDRESS, - feeRecipientAddress: constants.NULL_ADDRESS, - expirationTimeSeconds: new BigNumber(0), -}; - -const emptySignedOrder: SignedOrder = { - ...emptyOrder, - signature: '', -}; - -const overflowErrorForCall = new Error(RevertReason.Uint256Overflow); - -describe('Exchange core internal functions', () => { - let testExchange: TestExchangeInternalsContract; - let overflowErrorForSendTransaction: Error | undefined; - let divisionByZeroErrorForCall: Error | undefined; - let roundingErrorForCall: Error | undefined; - - before(async () => { - await blockchainLifecycle.startAsync(); - }); - after(async () => { - await blockchainLifecycle.revertAsync(); - }); - before(async () => { - testExchange = await TestExchangeInternalsContract.deployFrom0xArtifactAsync( - artifacts.TestExchangeInternals, - provider, - txDefaults, - ); - overflowErrorForSendTransaction = new Error( - await getRevertReasonOrErrorMessageForSendTransactionAsync(RevertReason.Uint256Overflow), - ); - divisionByZeroErrorForCall = new Error(RevertReason.DivisionByZero); - roundingErrorForCall = new Error(RevertReason.RoundingError); - }); - // Note(albrow): Don't forget to add beforeEach and afterEach calls to reset - // the blockchain state for any tests which modify it! - - async function referenceIsRoundingErrorFloorAsync( - numerator: BigNumber, - denominator: BigNumber, - target: BigNumber, - ): Promise<boolean> { - if (denominator.eq(0)) { - throw divisionByZeroErrorForCall; - } - if (numerator.eq(0)) { - return false; - } - if (target.eq(0)) { - return false; - } - const product = numerator.mul(target); - const remainder = product.mod(denominator); - const remainderTimes1000 = remainder.mul('1000'); - const isError = remainderTimes1000.gte(product); - if (product.greaterThan(MAX_UINT256)) { - throw overflowErrorForCall; - } - if (remainderTimes1000.greaterThan(MAX_UINT256)) { - throw overflowErrorForCall; - } - return isError; - } - - async function referenceIsRoundingErrorCeilAsync( - numerator: BigNumber, - denominator: BigNumber, - target: BigNumber, - ): Promise<boolean> { - if (denominator.eq(0)) { - throw divisionByZeroErrorForCall; - } - if (numerator.eq(0)) { - return false; - } - if (target.eq(0)) { - return false; - } - const product = numerator.mul(target); - const remainder = product.mod(denominator); - const error = denominator.sub(remainder).mod(denominator); - const errorTimes1000 = error.mul('1000'); - const isError = errorTimes1000.gte(product); - if (product.greaterThan(MAX_UINT256)) { - throw overflowErrorForCall; - } - if (errorTimes1000.greaterThan(MAX_UINT256)) { - throw overflowErrorForCall; - } - return isError; - } - - async function referenceSafeGetPartialAmountFloorAsync( - numerator: BigNumber, - denominator: BigNumber, - target: BigNumber, - ): Promise<BigNumber> { - if (denominator.eq(0)) { - throw divisionByZeroErrorForCall; - } - const isRoundingError = await referenceIsRoundingErrorFloorAsync(numerator, denominator, target); - if (isRoundingError) { - throw roundingErrorForCall; - } - const product = numerator.mul(target); - if (product.greaterThan(MAX_UINT256)) { - throw overflowErrorForCall; - } - return product.dividedToIntegerBy(denominator); - } - - describe('addFillResults', async () => { - function makeFillResults(value: BigNumber): FillResults { - return { - makerAssetFilledAmount: value, - takerAssetFilledAmount: value, - makerFeePaid: value, - takerFeePaid: value, - }; - } - async function referenceAddFillResultsAsync( - totalValue: BigNumber, - singleValue: BigNumber, - ): Promise<FillResults> { - // Note(albrow): Here, each of totalFillResults and - // singleFillResults will consist of fields with the same values. - // This should be safe because none of the fields in a given - // FillResults are ever used together in a mathemetical operation. - // They are only used with the corresponding field from *the other* - // FillResults, which are different. - const totalFillResults = makeFillResults(totalValue); - const singleFillResults = makeFillResults(singleValue); - // HACK(albrow): _.mergeWith mutates the first argument! To - // workaround this we use _.cloneDeep. - return _.mergeWith( - _.cloneDeep(totalFillResults), - singleFillResults, - (totalVal: BigNumber, singleVal: BigNumber) => { - const newTotal = totalVal.add(singleVal); - if (newTotal.greaterThan(MAX_UINT256)) { - throw overflowErrorForCall; - } - return newTotal; - }, - ); - } - async function testAddFillResultsAsync(totalValue: BigNumber, singleValue: BigNumber): Promise<FillResults> { - const totalFillResults = makeFillResults(totalValue); - const singleFillResults = makeFillResults(singleValue); - return testExchange.publicAddFillResults.callAsync(totalFillResults, singleFillResults); - } - await testCombinatoriallyWithReferenceFuncAsync( - 'addFillResults', - referenceAddFillResultsAsync, - testAddFillResultsAsync, - [uint256Values, uint256Values], - ); - }); - - describe('calculateFillResults', async () => { - function makeOrder( - makerAssetAmount: BigNumber, - takerAssetAmount: BigNumber, - makerFee: BigNumber, - takerFee: BigNumber, - ): Order { - return { - ...emptyOrder, - makerAssetAmount, - takerAssetAmount, - makerFee, - takerFee, - }; - } - async function referenceCalculateFillResultsAsync( - orderTakerAssetAmount: BigNumber, - takerAssetFilledAmount: BigNumber, - otherAmount: BigNumber, - ): Promise<FillResults> { - // Note(albrow): Here we are re-using the same value (otherAmount) - // for order.makerAssetAmount, order.makerFee, and order.takerFee. - // This should be safe because they are never used with each other - // in any mathematical operation in either the reference TypeScript - // implementation or the Solidity implementation of - // calculateFillResults. - const makerAssetFilledAmount = await referenceSafeGetPartialAmountFloorAsync( - takerAssetFilledAmount, - orderTakerAssetAmount, - otherAmount, - ); - const order = makeOrder(otherAmount, orderTakerAssetAmount, otherAmount, otherAmount); - const orderMakerAssetAmount = order.makerAssetAmount; - return { - makerAssetFilledAmount, - takerAssetFilledAmount, - makerFeePaid: await referenceSafeGetPartialAmountFloorAsync( - makerAssetFilledAmount, - orderMakerAssetAmount, - otherAmount, - ), - takerFeePaid: await referenceSafeGetPartialAmountFloorAsync( - takerAssetFilledAmount, - orderTakerAssetAmount, - otherAmount, - ), - }; - } - async function testCalculateFillResultsAsync( - orderTakerAssetAmount: BigNumber, - takerAssetFilledAmount: BigNumber, - otherAmount: BigNumber, - ): Promise<FillResults> { - const order = makeOrder(otherAmount, orderTakerAssetAmount, otherAmount, otherAmount); - return testExchange.publicCalculateFillResults.callAsync(order, takerAssetFilledAmount); - } - await testCombinatoriallyWithReferenceFuncAsync( - 'calculateFillResults', - referenceCalculateFillResultsAsync, - testCalculateFillResultsAsync, - [uint256Values, uint256Values, uint256Values], - ); - }); - - describe('getPartialAmountFloor', async () => { - async function referenceGetPartialAmountFloorAsync( - numerator: BigNumber, - denominator: BigNumber, - target: BigNumber, - ): Promise<BigNumber> { - if (denominator.eq(0)) { - throw divisionByZeroErrorForCall; - } - const product = numerator.mul(target); - if (product.greaterThan(MAX_UINT256)) { - throw overflowErrorForCall; - } - return product.dividedToIntegerBy(denominator); - } - async function testGetPartialAmountFloorAsync( - numerator: BigNumber, - denominator: BigNumber, - target: BigNumber, - ): Promise<BigNumber> { - return testExchange.publicGetPartialAmountFloor.callAsync(numerator, denominator, target); - } - await testCombinatoriallyWithReferenceFuncAsync( - 'getPartialAmountFloor', - referenceGetPartialAmountFloorAsync, - testGetPartialAmountFloorAsync, - [uint256Values, uint256Values, uint256Values], - ); - }); - - describe('getPartialAmountCeil', async () => { - async function referenceGetPartialAmountCeilAsync( - numerator: BigNumber, - denominator: BigNumber, - target: BigNumber, - ): Promise<BigNumber> { - if (denominator.eq(0)) { - throw divisionByZeroErrorForCall; - } - const product = numerator.mul(target); - const offset = product.add(denominator.sub(1)); - if (offset.greaterThan(MAX_UINT256)) { - throw overflowErrorForCall; - } - const result = offset.dividedToIntegerBy(denominator); - if (product.mod(denominator).eq(0)) { - expect(result.mul(denominator)).to.be.bignumber.eq(product); - } else { - expect(result.mul(denominator)).to.be.bignumber.gt(product); - } - return result; - } - async function testGetPartialAmountCeilAsync( - numerator: BigNumber, - denominator: BigNumber, - target: BigNumber, - ): Promise<BigNumber> { - return testExchange.publicGetPartialAmountCeil.callAsync(numerator, denominator, target); - } - await testCombinatoriallyWithReferenceFuncAsync( - 'getPartialAmountCeil', - referenceGetPartialAmountCeilAsync, - testGetPartialAmountCeilAsync, - [uint256Values, uint256Values, uint256Values], - ); - }); - - describe('safeGetPartialAmountFloor', async () => { - async function testSafeGetPartialAmountFloorAsync( - numerator: BigNumber, - denominator: BigNumber, - target: BigNumber, - ): Promise<BigNumber> { - return testExchange.publicSafeGetPartialAmountFloor.callAsync(numerator, denominator, target); - } - await testCombinatoriallyWithReferenceFuncAsync( - 'safeGetPartialAmountFloor', - referenceSafeGetPartialAmountFloorAsync, - testSafeGetPartialAmountFloorAsync, - [uint256Values, uint256Values, uint256Values], - ); - }); - - describe('safeGetPartialAmountCeil', async () => { - async function referenceSafeGetPartialAmountCeilAsync( - numerator: BigNumber, - denominator: BigNumber, - target: BigNumber, - ): Promise<BigNumber> { - if (denominator.eq(0)) { - throw divisionByZeroErrorForCall; - } - const isRoundingError = await referenceIsRoundingErrorCeilAsync(numerator, denominator, target); - if (isRoundingError) { - throw roundingErrorForCall; - } - const product = numerator.mul(target); - const offset = product.add(denominator.sub(1)); - if (offset.greaterThan(MAX_UINT256)) { - throw overflowErrorForCall; - } - const result = offset.dividedToIntegerBy(denominator); - if (product.mod(denominator).eq(0)) { - expect(result.mul(denominator)).to.be.bignumber.eq(product); - } else { - expect(result.mul(denominator)).to.be.bignumber.gt(product); - } - return result; - } - async function testSafeGetPartialAmountCeilAsync( - numerator: BigNumber, - denominator: BigNumber, - target: BigNumber, - ): Promise<BigNumber> { - return testExchange.publicSafeGetPartialAmountCeil.callAsync(numerator, denominator, target); - } - await testCombinatoriallyWithReferenceFuncAsync( - 'safeGetPartialAmountCeil', - referenceSafeGetPartialAmountCeilAsync, - testSafeGetPartialAmountCeilAsync, - [uint256Values, uint256Values, uint256Values], - ); - }); - - describe('isRoundingErrorFloor', async () => { - async function testIsRoundingErrorFloorAsync( - numerator: BigNumber, - denominator: BigNumber, - target: BigNumber, - ): Promise<boolean> { - return testExchange.publicIsRoundingErrorFloor.callAsync(numerator, denominator, target); - } - await testCombinatoriallyWithReferenceFuncAsync( - 'isRoundingErrorFloor', - referenceIsRoundingErrorFloorAsync, - testIsRoundingErrorFloorAsync, - [uint256Values, uint256Values, uint256Values], - ); - }); - - describe('isRoundingErrorCeil', async () => { - async function testIsRoundingErrorCeilAsync( - numerator: BigNumber, - denominator: BigNumber, - target: BigNumber, - ): Promise<boolean> { - return testExchange.publicIsRoundingErrorCeil.callAsync(numerator, denominator, target); - } - await testCombinatoriallyWithReferenceFuncAsync( - 'isRoundingErrorCeil', - referenceIsRoundingErrorCeilAsync, - testIsRoundingErrorCeilAsync, - [uint256Values, uint256Values, uint256Values], - ); - }); - - describe('updateFilledState', async () => { - // Note(albrow): Since updateFilledState modifies the state by calling - // sendTransaction, we must reset the state after each test. - beforeEach(async () => { - await blockchainLifecycle.startAsync(); - }); - afterEach(async () => { - await blockchainLifecycle.revertAsync(); - }); - async function referenceUpdateFilledStateAsync( - takerAssetFilledAmount: BigNumber, - orderTakerAssetFilledAmount: BigNumber, - // tslint:disable-next-line:no-unused-variable - orderHash: string, - ): Promise<BigNumber> { - const totalFilledAmount = takerAssetFilledAmount.add(orderTakerAssetFilledAmount); - if (totalFilledAmount.greaterThan(MAX_UINT256)) { - throw overflowErrorForSendTransaction; - } - return totalFilledAmount; - } - async function testUpdateFilledStateAsync( - takerAssetFilledAmount: BigNumber, - orderTakerAssetFilledAmount: BigNumber, - orderHash: string, - ): Promise<BigNumber> { - const fillResults = { - makerAssetFilledAmount: new BigNumber(0), - takerAssetFilledAmount, - makerFeePaid: new BigNumber(0), - takerFeePaid: new BigNumber(0), - }; - await web3Wrapper.awaitTransactionSuccessAsync( - await testExchange.publicUpdateFilledState.sendTransactionAsync( - emptySignedOrder, - constants.NULL_ADDRESS, - orderHash, - orderTakerAssetFilledAmount, - fillResults, - ), - constants.AWAIT_TRANSACTION_MINED_MS, - ); - return testExchange.filled.callAsync(orderHash); - } - await testCombinatoriallyWithReferenceFuncAsync( - 'updateFilledState', - referenceUpdateFilledStateAsync, - testUpdateFilledStateAsync, - [uint256Values, uint256Values, bytes32Values], - ); - }); -}); |