diff options
Diffstat (limited to 'contracts/exchange/test/utils/match_order_tester.ts')
| -rw-r--r-- | contracts/exchange/test/utils/match_order_tester.ts | 563 |
1 files changed, 563 insertions, 0 deletions
diff --git a/contracts/exchange/test/utils/match_order_tester.ts b/contracts/exchange/test/utils/match_order_tester.ts new file mode 100644 index 000000000..680ff13ac --- /dev/null +++ b/contracts/exchange/test/utils/match_order_tester.ts @@ -0,0 +1,563 @@ +import { ERC20Wrapper, ERC721Wrapper } from '@0x/contracts-asset-proxy'; +import { + chaiSetup, + ERC20BalancesByOwner, + ERC721TokenIdsByOwner, + OrderInfo, + OrderStatus, + TransferAmountsByMatchOrders as TransferAmounts, + TransferAmountsLoggedByMatchOrders as LoggedTransferAmounts, +} from '@0x/contracts-test-utils'; +import { assetDataUtils, orderHashUtils } from '@0x/order-utils'; +import { AssetProxyId, SignedOrder } from '@0x/types'; +import { BigNumber } from '@0x/utils'; +import * as chai from 'chai'; +import * as _ from 'lodash'; + +import { TransactionReceiptWithDecodedLogs } from '../../../../node_modules/ethereum-types'; + +import { ExchangeWrapper } from './exchange_wrapper'; + +chaiSetup.configure(); +const expect = chai.expect; + +export class MatchOrderTester { + private readonly _exchangeWrapper: ExchangeWrapper; + private readonly _erc20Wrapper: ERC20Wrapper; + private readonly _erc721Wrapper: ERC721Wrapper; + private readonly _feeTokenAddress: string; + /// @dev Checks values from the logs produced by Exchange.matchOrders against the expected transfer amounts. + /// Values include the amounts transferred from the left/right makers and taker, along with + /// the fees paid on each matched order. These are also the return values of MatchOrders. + /// @param signedOrderLeft First matched order. + /// @param signedOrderRight Second matched order. + /// @param transactionReceipt Transaction receipt and logs produced by Exchange.matchOrders. + /// @param takerAddress Address of taker (account that called Exchange.matchOrders) + /// @param expectedTransferAmounts Expected amounts transferred as a result of order matching. + private static async _assertLogsAsync( + signedOrderLeft: SignedOrder, + signedOrderRight: SignedOrder, + transactionReceipt: TransactionReceiptWithDecodedLogs, + takerAddress: string, + expectedTransferAmounts: TransferAmounts, + ): Promise<void> { + // Should have two fill event logs -- one for each order. + const transactionFillLogs = _.filter(transactionReceipt.logs, ['event', 'Fill']); + expect(transactionFillLogs.length, 'Checking number of logs').to.be.equal(2); + // First log is for left fill + const leftLog = (transactionFillLogs[0] as any).args as LoggedTransferAmounts; + expect(leftLog.makerAddress, 'Checking logged maker address of left order').to.be.equal( + signedOrderLeft.makerAddress, + ); + expect(leftLog.takerAddress, 'Checking logged taker address of right order').to.be.equal(takerAddress); + const amountBoughtByLeftMaker = new BigNumber(leftLog.takerAssetFilledAmount); + const amountSoldByLeftMaker = new BigNumber(leftLog.makerAssetFilledAmount); + const feePaidByLeftMaker = new BigNumber(leftLog.makerFeePaid); + const feePaidByTakerLeft = new BigNumber(leftLog.takerFeePaid); + // Second log is for right fill + const rightLog = (transactionFillLogs[1] as any).args as LoggedTransferAmounts; + expect(rightLog.makerAddress, 'Checking logged maker address of right order').to.be.equal( + signedOrderRight.makerAddress, + ); + expect(rightLog.takerAddress, 'Checking loggerd taker address of right order').to.be.equal(takerAddress); + const amountBoughtByRightMaker = new BigNumber(rightLog.takerAssetFilledAmount); + const amountSoldByRightMaker = new BigNumber(rightLog.makerAssetFilledAmount); + const feePaidByRightMaker = new BigNumber(rightLog.makerFeePaid); + const feePaidByTakerRight = new BigNumber(rightLog.takerFeePaid); + // Derive amount received by taker + const amountReceivedByTaker = amountSoldByLeftMaker.minus(amountBoughtByRightMaker); + // Assert log values - left order + expect(amountBoughtByLeftMaker, 'Checking logged amount bought by left maker').to.be.bignumber.equal( + expectedTransferAmounts.amountBoughtByLeftMaker, + ); + expect(amountSoldByLeftMaker, 'Checking logged amount sold by left maker').to.be.bignumber.equal( + expectedTransferAmounts.amountSoldByLeftMaker, + ); + expect(feePaidByLeftMaker, 'Checking logged fee paid by left maker').to.be.bignumber.equal( + expectedTransferAmounts.feePaidByLeftMaker, + ); + expect(feePaidByTakerLeft, 'Checking logged fee paid on left order by taker').to.be.bignumber.equal( + expectedTransferAmounts.feePaidByTakerLeft, + ); + // Assert log values - right order + expect(amountBoughtByRightMaker, 'Checking logged amount bought by right maker').to.be.bignumber.equal( + expectedTransferAmounts.amountBoughtByRightMaker, + ); + expect(amountSoldByRightMaker, 'Checking logged amount sold by right maker').to.be.bignumber.equal( + expectedTransferAmounts.amountSoldByRightMaker, + ); + expect(feePaidByRightMaker, 'Checking logged fee paid by right maker').to.be.bignumber.equal( + expectedTransferAmounts.feePaidByRightMaker, + ); + expect(feePaidByTakerRight, 'Checking logged fee paid on right order by taker').to.be.bignumber.equal( + expectedTransferAmounts.feePaidByTakerRight, + ); + // Assert derived amount received by taker + expect(amountReceivedByTaker, 'Checking logged amount received by taker').to.be.bignumber.equal( + expectedTransferAmounts.amountReceivedByTaker, + ); + } + /// @dev Asserts all expected ERC20 and ERC721 account holdings match the real holdings. + /// @param expectedERC20BalancesByOwner Expected ERC20 balances. + /// @param realERC20BalancesByOwner Real ERC20 balances. + /// @param expectedERC721TokenIdsByOwner Expected ERC721 token owners. + /// @param realERC721TokenIdsByOwner Real ERC20 token owners. + private static async _assertAllKnownBalancesAsync( + expectedERC20BalancesByOwner: ERC20BalancesByOwner, + realERC20BalancesByOwner: ERC20BalancesByOwner, + expectedERC721TokenIdsByOwner: ERC721TokenIdsByOwner, + realERC721TokenIdsByOwner: ERC721TokenIdsByOwner, + ): Promise<void> { + // ERC20 Balances + const areERC20BalancesEqual = _.isEqual(expectedERC20BalancesByOwner, realERC20BalancesByOwner); + expect(areERC20BalancesEqual, 'Checking all known ERC20 account balances').to.be.true(); + // ERC721 Token Ids + const sortedExpectedNewERC721TokenIdsByOwner = _.mapValues(expectedERC721TokenIdsByOwner, tokenIdsByOwner => { + _.mapValues(tokenIdsByOwner, tokenIds => { + _.sortBy(tokenIds); + }); + }); + const sortedNewERC721TokenIdsByOwner = _.mapValues(realERC721TokenIdsByOwner, tokenIdsByOwner => { + _.mapValues(tokenIdsByOwner, tokenIds => { + _.sortBy(tokenIds); + }); + }); + const areERC721TokenIdsEqual = _.isEqual( + sortedExpectedNewERC721TokenIdsByOwner, + sortedNewERC721TokenIdsByOwner, + ); + expect(areERC721TokenIdsEqual, 'Checking all known ERC721 account balances').to.be.true(); + } + /// @dev Constructs new MatchOrderTester. + /// @param exchangeWrapper Used to call to the Exchange. + /// @param erc20Wrapper Used to fetch ERC20 balances. + /// @param erc721Wrapper Used to fetch ERC721 token owners. + /// @param feeTokenAddress Address of ERC20 fee token. + constructor( + exchangeWrapper: ExchangeWrapper, + erc20Wrapper: ERC20Wrapper, + erc721Wrapper: ERC721Wrapper, + feeTokenAddress: string, + ) { + this._exchangeWrapper = exchangeWrapper; + this._erc20Wrapper = erc20Wrapper; + this._erc721Wrapper = erc721Wrapper; + this._feeTokenAddress = feeTokenAddress; + } + /// @dev Matches two complementary orders and asserts results. + /// @param signedOrderLeft First matched order. + /// @param signedOrderRight Second matched order. + /// @param takerAddress Address of taker (the address who matched the two orders) + /// @param erc20BalancesByOwner Current ERC20 balances. + /// @param erc721TokenIdsByOwner Current ERC721 token owners. + /// @param expectedTransferAmounts Expected amounts transferred as a result of order matching. + /// @param initialLeftOrderFilledAmount How much left order has been filled, prior to matching orders. + /// @param initialRightOrderFilledAmount How much the right order has been filled, prior to matching orders. + /// @return New ERC20 balances & ERC721 token owners. + public async matchOrdersAndAssertEffectsAsync( + signedOrderLeft: SignedOrder, + signedOrderRight: SignedOrder, + takerAddress: string, + erc20BalancesByOwner: ERC20BalancesByOwner, + erc721TokenIdsByOwner: ERC721TokenIdsByOwner, + expectedTransferAmounts: TransferAmounts, + initialLeftOrderFilledAmount: BigNumber = new BigNumber(0), + initialRightOrderFilledAmount: BigNumber = new BigNumber(0), + ): Promise<[ERC20BalancesByOwner, ERC721TokenIdsByOwner]> { + // Assert initial order states + await this._assertInitialOrderStatesAsync( + signedOrderLeft, + signedOrderRight, + initialLeftOrderFilledAmount, + initialRightOrderFilledAmount, + ); + // Match left & right orders + const transactionReceipt = await this._exchangeWrapper.matchOrdersAsync( + signedOrderLeft, + signedOrderRight, + takerAddress, + ); + const newERC20BalancesByOwner = await this._erc20Wrapper.getBalancesAsync(); + const newERC721TokenIdsByOwner = await this._erc721Wrapper.getBalancesAsync(); + // Assert logs + await MatchOrderTester._assertLogsAsync( + signedOrderLeft, + signedOrderRight, + transactionReceipt, + takerAddress, + expectedTransferAmounts, + ); + // Assert exchange state + await this._assertExchangeStateAsync( + signedOrderLeft, + signedOrderRight, + initialLeftOrderFilledAmount, + initialRightOrderFilledAmount, + expectedTransferAmounts, + ); + // Assert balances of makers, taker, and fee recipients + await this._assertBalancesAsync( + signedOrderLeft, + signedOrderRight, + erc20BalancesByOwner, + erc721TokenIdsByOwner, + newERC20BalancesByOwner, + newERC721TokenIdsByOwner, + expectedTransferAmounts, + takerAddress, + ); + return [newERC20BalancesByOwner, newERC721TokenIdsByOwner]; + } + /// @dev Asserts initial exchange state for the left and right orders. + /// @param signedOrderLeft First matched order. + /// @param signedOrderRight Second matched order. + /// @param expectedOrderFilledAmountLeft How much left order has been filled, prior to matching orders. + /// @param expectedOrderFilledAmountRight How much the right order has been filled, prior to matching orders. + private async _assertInitialOrderStatesAsync( + signedOrderLeft: SignedOrder, + signedOrderRight: SignedOrder, + expectedOrderFilledAmountLeft: BigNumber, + expectedOrderFilledAmountRight: BigNumber, + ): Promise<void> { + // Assert left order initial state + const orderTakerAssetFilledAmountLeft = await this._exchangeWrapper.getTakerAssetFilledAmountAsync( + orderHashUtils.getOrderHashHex(signedOrderLeft), + ); + expect(orderTakerAssetFilledAmountLeft, 'Checking inital state of left order').to.be.bignumber.equal( + expectedOrderFilledAmountLeft, + ); + // Assert right order initial state + const orderTakerAssetFilledAmountRight = await this._exchangeWrapper.getTakerAssetFilledAmountAsync( + orderHashUtils.getOrderHashHex(signedOrderRight), + ); + expect(orderTakerAssetFilledAmountRight, 'Checking inital state of right order').to.be.bignumber.equal( + expectedOrderFilledAmountRight, + ); + } + /// @dev Asserts the exchange state against the expected amounts transferred by from matching orders. + /// @param signedOrderLeft First matched order. + /// @param signedOrderRight Second matched order. + /// @param initialLeftOrderFilledAmount How much left order has been filled, prior to matching orders. + /// @param initialRightOrderFilledAmount How much the right order has been filled, prior to matching orders. + /// @return TransferAmounts A struct containing the expected transfer amounts. + private async _assertExchangeStateAsync( + signedOrderLeft: SignedOrder, + signedOrderRight: SignedOrder, + initialLeftOrderFilledAmount: BigNumber, + initialRightOrderFilledAmount: BigNumber, + expectedTransferAmounts: TransferAmounts, + ): Promise<void> { + // Assert state for left order: amount bought by left maker + let amountBoughtByLeftMaker = await this._exchangeWrapper.getTakerAssetFilledAmountAsync( + orderHashUtils.getOrderHashHex(signedOrderLeft), + ); + amountBoughtByLeftMaker = amountBoughtByLeftMaker.minus(initialLeftOrderFilledAmount); + expect(amountBoughtByLeftMaker, 'Checking exchange state for left order').to.be.bignumber.equal( + expectedTransferAmounts.amountBoughtByLeftMaker, + ); + // Assert state for right order: amount bought by right maker + let amountBoughtByRightMaker = await this._exchangeWrapper.getTakerAssetFilledAmountAsync( + orderHashUtils.getOrderHashHex(signedOrderRight), + ); + amountBoughtByRightMaker = amountBoughtByRightMaker.minus(initialRightOrderFilledAmount); + expect(amountBoughtByRightMaker, 'Checking exchange state for right order').to.be.bignumber.equal( + expectedTransferAmounts.amountBoughtByRightMaker, + ); + // Assert left order status + const maxAmountBoughtByLeftMaker = signedOrderLeft.takerAssetAmount.minus(initialLeftOrderFilledAmount); + const leftOrderInfo: OrderInfo = await this._exchangeWrapper.getOrderInfoAsync(signedOrderLeft); + const leftExpectedStatus = expectedTransferAmounts.amountBoughtByLeftMaker.isEqualTo(maxAmountBoughtByLeftMaker) + ? OrderStatus.FullyFilled + : OrderStatus.Fillable; + expect(leftOrderInfo.orderStatus, 'Checking exchange status for left order').to.be.equal(leftExpectedStatus); + // Assert right order status + const maxAmountBoughtByRightMaker = signedOrderRight.takerAssetAmount.minus(initialRightOrderFilledAmount); + const rightOrderInfo: OrderInfo = await this._exchangeWrapper.getOrderInfoAsync(signedOrderRight); + const rightExpectedStatus = expectedTransferAmounts.amountBoughtByRightMaker.isEqualTo( + maxAmountBoughtByRightMaker, + ) + ? OrderStatus.FullyFilled + : OrderStatus.Fillable; + expect(rightOrderInfo.orderStatus, 'Checking exchange status for right order').to.be.equal(rightExpectedStatus); + } + /// @dev Asserts account balances after matching orders. + /// @param signedOrderLeft First matched order. + /// @param signedOrderRight Second matched order. + /// @param initialERC20BalancesByOwner ERC20 balances prior to order matching. + /// @param initialERC721TokenIdsByOwner ERC721 token owners prior to order matching. + /// @param finalERC20BalancesByOwner ERC20 balances after order matching. + /// @param finalERC721TokenIdsByOwner ERC721 token owners after order matching. + /// @param expectedTransferAmounts Expected amounts transferred as a result of order matching. + /// @param takerAddress Address of taker (account that called Exchange.matchOrders). + private async _assertBalancesAsync( + signedOrderLeft: SignedOrder, + signedOrderRight: SignedOrder, + initialERC20BalancesByOwner: ERC20BalancesByOwner, + initialERC721TokenIdsByOwner: ERC721TokenIdsByOwner, + finalERC20BalancesByOwner: ERC20BalancesByOwner, + finalERC721TokenIdsByOwner: ERC721TokenIdsByOwner, + expectedTransferAmounts: TransferAmounts, + takerAddress: string, + ): Promise<void> { + let expectedERC20BalancesByOwner: ERC20BalancesByOwner; + let expectedERC721TokenIdsByOwner: ERC721TokenIdsByOwner; + [expectedERC20BalancesByOwner, expectedERC721TokenIdsByOwner] = this._calculateExpectedBalances( + signedOrderLeft, + signedOrderRight, + takerAddress, + initialERC20BalancesByOwner, + initialERC721TokenIdsByOwner, + expectedTransferAmounts, + ); + // Assert balances of makers, taker, and fee recipients + await this._assertMakerTakerAndFeeRecipientBalancesAsync( + signedOrderLeft, + signedOrderRight, + expectedERC20BalancesByOwner, + finalERC20BalancesByOwner, + expectedERC721TokenIdsByOwner, + finalERC721TokenIdsByOwner, + takerAddress, + ); + // Assert balances for all known accounts + await MatchOrderTester._assertAllKnownBalancesAsync( + expectedERC20BalancesByOwner, + finalERC20BalancesByOwner, + expectedERC721TokenIdsByOwner, + finalERC721TokenIdsByOwner, + ); + } + /// @dev Calculates the expected balances of order makers, fee recipients, and the taker, + /// as a result of matching two orders. + /// @param signedOrderRight First matched order. + /// @param signedOrderRight Second matched order. + /// @param takerAddress Address of taker (the address who matched the two orders) + /// @param erc20BalancesByOwner Current ERC20 balances. + /// @param erc721TokenIdsByOwner Current ERC721 token owners. + /// @param expectedTransferAmounts Expected amounts transferred as a result of order matching. + /// @return Expected ERC20 balances & ERC721 token owners after orders have been matched. + private _calculateExpectedBalances( + signedOrderLeft: SignedOrder, + signedOrderRight: SignedOrder, + takerAddress: string, + erc20BalancesByOwner: ERC20BalancesByOwner, + erc721TokenIdsByOwner: ERC721TokenIdsByOwner, + expectedTransferAmounts: TransferAmounts, + ): [ERC20BalancesByOwner, ERC721TokenIdsByOwner] { + const makerAddressLeft = signedOrderLeft.makerAddress; + const makerAddressRight = signedOrderRight.makerAddress; + const feeRecipientAddressLeft = signedOrderLeft.feeRecipientAddress; + const feeRecipientAddressRight = signedOrderRight.feeRecipientAddress; + // Operations are performed on copies of the balances + const expectedNewERC20BalancesByOwner = _.cloneDeep(erc20BalancesByOwner); + const expectedNewERC721TokenIdsByOwner = _.cloneDeep(erc721TokenIdsByOwner); + // Left Maker Asset (Right Taker Asset) + const makerAssetProxyIdLeft = assetDataUtils.decodeAssetProxyId(signedOrderLeft.makerAssetData); + if (makerAssetProxyIdLeft === AssetProxyId.ERC20) { + // Decode asset data + const erc20AssetData = assetDataUtils.decodeERC20AssetData(signedOrderLeft.makerAssetData); + const makerAssetAddressLeft = erc20AssetData.tokenAddress; + const takerAssetAddressRight = makerAssetAddressLeft; + // Left Maker + expectedNewERC20BalancesByOwner[makerAddressLeft][makerAssetAddressLeft] = expectedNewERC20BalancesByOwner[ + makerAddressLeft + ][makerAssetAddressLeft].minus(expectedTransferAmounts.amountSoldByLeftMaker); + // Right Maker + expectedNewERC20BalancesByOwner[makerAddressRight][ + takerAssetAddressRight + ] = expectedNewERC20BalancesByOwner[makerAddressRight][takerAssetAddressRight].plus( + expectedTransferAmounts.amountBoughtByRightMaker, + ); + // Taker + expectedNewERC20BalancesByOwner[takerAddress][makerAssetAddressLeft] = expectedNewERC20BalancesByOwner[ + takerAddress + ][makerAssetAddressLeft].plus(expectedTransferAmounts.amountReceivedByTaker); + } else if (makerAssetProxyIdLeft === AssetProxyId.ERC721) { + // Decode asset data + const erc721AssetData = assetDataUtils.decodeERC721AssetData(signedOrderLeft.makerAssetData); + const makerAssetAddressLeft = erc721AssetData.tokenAddress; + const makerAssetIdLeft = erc721AssetData.tokenId; + const takerAssetAddressRight = makerAssetAddressLeft; + const takerAssetIdRight = makerAssetIdLeft; + // Left Maker + _.remove(expectedNewERC721TokenIdsByOwner[makerAddressLeft][makerAssetAddressLeft], makerAssetIdLeft); + // Right Maker + expectedNewERC721TokenIdsByOwner[makerAddressRight][takerAssetAddressRight].push(takerAssetIdRight); + // Taker: Since there is only 1 asset transferred, the taker does not receive any of the left maker asset. + } + // Left Taker Asset (Right Maker Asset) + // Note: This exchange is only between the order makers: the Taker does not receive any of the left taker asset. + const takerAssetProxyIdLeft = assetDataUtils.decodeAssetProxyId(signedOrderLeft.takerAssetData); + if (takerAssetProxyIdLeft === AssetProxyId.ERC20) { + // Decode asset data + const erc20AssetData = assetDataUtils.decodeERC20AssetData(signedOrderLeft.takerAssetData); + const takerAssetAddressLeft = erc20AssetData.tokenAddress; + const makerAssetAddressRight = takerAssetAddressLeft; + // Left Maker + expectedNewERC20BalancesByOwner[makerAddressLeft][takerAssetAddressLeft] = expectedNewERC20BalancesByOwner[ + makerAddressLeft + ][takerAssetAddressLeft].plus(expectedTransferAmounts.amountBoughtByLeftMaker); + // Right Maker + expectedNewERC20BalancesByOwner[makerAddressRight][ + makerAssetAddressRight + ] = expectedNewERC20BalancesByOwner[makerAddressRight][makerAssetAddressRight].minus( + expectedTransferAmounts.amountSoldByRightMaker, + ); + } else if (takerAssetProxyIdLeft === AssetProxyId.ERC721) { + // Decode asset data + const erc721AssetData = assetDataUtils.decodeERC721AssetData(signedOrderRight.makerAssetData); + const makerAssetAddressRight = erc721AssetData.tokenAddress; + const makerAssetIdRight = erc721AssetData.tokenId; + const takerAssetAddressLeft = makerAssetAddressRight; + const takerAssetIdLeft = makerAssetIdRight; + // Right Maker + _.remove(expectedNewERC721TokenIdsByOwner[makerAddressRight][makerAssetAddressRight], makerAssetIdRight); + // Left Maker + expectedNewERC721TokenIdsByOwner[makerAddressLeft][takerAssetAddressLeft].push(takerAssetIdLeft); + } + // Left Maker Fees + expectedNewERC20BalancesByOwner[makerAddressLeft][this._feeTokenAddress] = expectedNewERC20BalancesByOwner[ + makerAddressLeft + ][this._feeTokenAddress].minus(expectedTransferAmounts.feePaidByLeftMaker); + // Right Maker Fees + expectedNewERC20BalancesByOwner[makerAddressRight][this._feeTokenAddress] = expectedNewERC20BalancesByOwner[ + makerAddressRight + ][this._feeTokenAddress].minus(expectedTransferAmounts.feePaidByRightMaker); + // Taker Fees + expectedNewERC20BalancesByOwner[takerAddress][this._feeTokenAddress] = expectedNewERC20BalancesByOwner[ + takerAddress + ][this._feeTokenAddress].minus( + expectedTransferAmounts.feePaidByTakerLeft.plus(expectedTransferAmounts.feePaidByTakerRight), + ); + // Left Fee Recipient Fees + expectedNewERC20BalancesByOwner[feeRecipientAddressLeft][ + this._feeTokenAddress + ] = expectedNewERC20BalancesByOwner[feeRecipientAddressLeft][this._feeTokenAddress].plus( + expectedTransferAmounts.feePaidByLeftMaker.plus(expectedTransferAmounts.feePaidByTakerLeft), + ); + // Right Fee Recipient Fees + expectedNewERC20BalancesByOwner[feeRecipientAddressRight][ + this._feeTokenAddress + ] = expectedNewERC20BalancesByOwner[feeRecipientAddressRight][this._feeTokenAddress].plus( + expectedTransferAmounts.feePaidByRightMaker.plus(expectedTransferAmounts.feePaidByTakerRight), + ); + + return [expectedNewERC20BalancesByOwner, expectedNewERC721TokenIdsByOwner]; + } + /// @dev Asserts ERC20 account balances and ERC721 token holdings that result from order matching. + /// Specifically checks balances of makers, taker and fee recipients. + /// @param signedOrderLeft First matched order. + /// @param signedOrderRight Second matched order. + /// @param expectedERC20BalancesByOwner Expected ERC20 balances. + /// @param realERC20BalancesByOwner Real ERC20 balances. + /// @param expectedERC721TokenIdsByOwner Expected ERC721 token owners. + /// @param realERC721TokenIdsByOwner Real ERC20 token owners. + /// @param takerAddress Address of taker (account that called Exchange.matchOrders). + private async _assertMakerTakerAndFeeRecipientBalancesAsync( + signedOrderLeft: SignedOrder, + signedOrderRight: SignedOrder, + expectedERC20BalancesByOwner: ERC20BalancesByOwner, + realERC20BalancesByOwner: ERC20BalancesByOwner, + expectedERC721TokenIdsByOwner: ERC721TokenIdsByOwner, + realERC721TokenIdsByOwner: ERC721TokenIdsByOwner, + takerAddress: string, + ): Promise<void> { + // Individual balance comparisons + const makerAssetProxyIdLeft = assetDataUtils.decodeAssetProxyId(signedOrderLeft.makerAssetData); + const makerERC20AssetDataLeft = + makerAssetProxyIdLeft === AssetProxyId.ERC20 + ? assetDataUtils.decodeERC20AssetData(signedOrderLeft.makerAssetData) + : assetDataUtils.decodeERC721AssetData(signedOrderLeft.makerAssetData); + const makerAssetAddressLeft = makerERC20AssetDataLeft.tokenAddress; + const makerAssetProxyIdRight = assetDataUtils.decodeAssetProxyId(signedOrderRight.makerAssetData); + const makerERC20AssetDataRight = + makerAssetProxyIdRight === AssetProxyId.ERC20 + ? assetDataUtils.decodeERC20AssetData(signedOrderRight.makerAssetData) + : assetDataUtils.decodeERC721AssetData(signedOrderRight.makerAssetData); + const makerAssetAddressRight = makerERC20AssetDataRight.tokenAddress; + if (makerAssetProxyIdLeft === AssetProxyId.ERC20) { + expect( + realERC20BalancesByOwner[signedOrderLeft.makerAddress][makerAssetAddressLeft], + 'Checking left maker egress ERC20 account balance', + ).to.be.bignumber.equal(expectedERC20BalancesByOwner[signedOrderLeft.makerAddress][makerAssetAddressLeft]); + expect( + realERC20BalancesByOwner[signedOrderRight.makerAddress][makerAssetAddressLeft], + 'Checking right maker ingress ERC20 account balance', + ).to.be.bignumber.equal(expectedERC20BalancesByOwner[signedOrderRight.makerAddress][makerAssetAddressLeft]); + expect( + realERC20BalancesByOwner[takerAddress][makerAssetAddressLeft], + 'Checking taker ingress ERC20 account balance', + ).to.be.bignumber.equal(expectedERC20BalancesByOwner[takerAddress][makerAssetAddressLeft]); + } else if (makerAssetProxyIdLeft === AssetProxyId.ERC721) { + expect( + realERC721TokenIdsByOwner[signedOrderLeft.makerAddress][makerAssetAddressLeft].sort(), + 'Checking left maker egress ERC721 account holdings', + ).to.be.deep.equal( + expectedERC721TokenIdsByOwner[signedOrderLeft.makerAddress][makerAssetAddressLeft].sort(), + ); + expect( + realERC721TokenIdsByOwner[signedOrderRight.makerAddress][makerAssetAddressLeft].sort(), + 'Checking right maker ERC721 account holdings', + ).to.be.deep.equal( + expectedERC721TokenIdsByOwner[signedOrderRight.makerAddress][makerAssetAddressLeft].sort(), + ); + expect( + realERC721TokenIdsByOwner[takerAddress][makerAssetAddressLeft].sort(), + 'Checking taker ingress ERC721 account holdings', + ).to.be.deep.equal(expectedERC721TokenIdsByOwner[takerAddress][makerAssetAddressLeft].sort()); + } else { + throw new Error(`Unhandled Asset Proxy ID: ${makerAssetProxyIdLeft}`); + } + if (makerAssetProxyIdRight === AssetProxyId.ERC20) { + expect( + realERC20BalancesByOwner[signedOrderLeft.makerAddress][makerAssetAddressRight], + 'Checking left maker ingress ERC20 account balance', + ).to.be.bignumber.equal(expectedERC20BalancesByOwner[signedOrderLeft.makerAddress][makerAssetAddressRight]); + expect( + realERC20BalancesByOwner[signedOrderRight.makerAddress][makerAssetAddressRight], + 'Checking right maker egress ERC20 account balance', + ).to.be.bignumber.equal( + expectedERC20BalancesByOwner[signedOrderRight.makerAddress][makerAssetAddressRight], + ); + } else if (makerAssetProxyIdRight === AssetProxyId.ERC721) { + expect( + realERC721TokenIdsByOwner[signedOrderLeft.makerAddress][makerAssetAddressRight].sort(), + 'Checking left maker ingress ERC721 account holdings', + ).to.be.deep.equal( + expectedERC721TokenIdsByOwner[signedOrderLeft.makerAddress][makerAssetAddressRight].sort(), + ); + expect( + realERC721TokenIdsByOwner[signedOrderRight.makerAddress][makerAssetAddressRight], + 'Checking right maker agress ERC721 account holdings', + ).to.be.deep.equal(expectedERC721TokenIdsByOwner[signedOrderRight.makerAddress][makerAssetAddressRight]); + } else { + throw new Error(`Unhandled Asset Proxy ID: ${makerAssetProxyIdRight}`); + } + // Paid fees + expect( + realERC20BalancesByOwner[signedOrderLeft.makerAddress][this._feeTokenAddress], + 'Checking left maker egress ERC20 account fees', + ).to.be.bignumber.equal(expectedERC20BalancesByOwner[signedOrderLeft.makerAddress][this._feeTokenAddress]); + expect( + realERC20BalancesByOwner[signedOrderRight.makerAddress][this._feeTokenAddress], + 'Checking right maker egress ERC20 account fees', + ).to.be.bignumber.equal(expectedERC20BalancesByOwner[signedOrderRight.makerAddress][this._feeTokenAddress]); + expect( + realERC20BalancesByOwner[takerAddress][this._feeTokenAddress], + 'Checking taker egress ERC20 account fees', + ).to.be.bignumber.equal(expectedERC20BalancesByOwner[takerAddress][this._feeTokenAddress]); + // Received fees + expect( + realERC20BalancesByOwner[signedOrderLeft.feeRecipientAddress][this._feeTokenAddress], + 'Checking left fee recipient ingress ERC20 account fees', + ).to.be.bignumber.equal( + expectedERC20BalancesByOwner[signedOrderLeft.feeRecipientAddress][this._feeTokenAddress], + ); + expect( + realERC20BalancesByOwner[signedOrderRight.feeRecipientAddress][this._feeTokenAddress], + 'Checking right fee receipient ingress ERC20 account fees', + ).to.be.bignumber.equal( + expectedERC20BalancesByOwner[signedOrderRight.feeRecipientAddress][this._feeTokenAddress], + ); + } +} // tslint:disable-line:max-file-line-count |