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author | Leonid Logvinov <logvinov.leon@gmail.com> | 2018-05-24 01:32:14 +0800 |
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committer | Leonid Logvinov <logvinov.leon@gmail.com> | 2018-05-24 01:32:14 +0800 |
commit | 6a77e0fe56b1fdc3bef990f8418d741c6a338763 (patch) | |
tree | 72cc332897c66ef3be9ad9334056688e9b1d7389 /packages/contracts/test/utils/match_order_tester.ts | |
parent | 0a725415a48ebc2f23578baa410f56f88bc77cee (diff) | |
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Move contract utils
Diffstat (limited to 'packages/contracts/test/utils/match_order_tester.ts')
-rw-r--r-- | packages/contracts/test/utils/match_order_tester.ts | 356 |
1 files changed, 0 insertions, 356 deletions
diff --git a/packages/contracts/test/utils/match_order_tester.ts b/packages/contracts/test/utils/match_order_tester.ts deleted file mode 100644 index 43196728c..000000000 --- a/packages/contracts/test/utils/match_order_tester.ts +++ /dev/null @@ -1,356 +0,0 @@ -import { BlockchainLifecycle } from '@0xproject/dev-utils'; -import { LogWithDecodedArgs } from '@0xproject/types'; -import { BigNumber } from '@0xproject/utils'; -import * as chai from 'chai'; -import ethUtil = require('ethereumjs-util'); -import * as _ from 'lodash'; - -import { DummyERC20TokenContract } from '../../src/contract_wrappers/generated/dummy_e_r_c20_token'; -import { DummyERC721TokenContract } from '../../src/contract_wrappers/generated/dummy_e_r_c721_token'; -import { ERC20ProxyContract } from '../../src/contract_wrappers/generated/e_r_c20_proxy'; -import { ERC721ProxyContract } from '../../src/contract_wrappers/generated/e_r_c721_proxy'; -import { - CancelContractEventArgs, - ExchangeContract, - FillContractEventArgs, -} from '../../src/contract_wrappers/generated/exchange'; -import { assetProxyUtils } from '../../src/utils/asset_proxy_utils'; -import { chaiSetup } from '../../src/utils/chai_setup'; -import { constants } from '../../src/utils/constants'; -import { crypto } from '../../src/utils/crypto'; -import { ERC20Wrapper } from '../../src/utils/erc20_wrapper'; -import { ERC721Wrapper } from '../../src/utils/erc721_wrapper'; -import { ExchangeWrapper } from '../../src/utils/exchange_wrapper'; -import { OrderFactory } from '../../src/utils/order_factory'; -import { orderUtils } from '../../src/utils/order_utils'; -import { - AssetProxyId, - ContractName, - ERC20BalancesByOwner, - ERC721TokenIdsByOwner, - ExchangeStatus, - SignedOrder, - TransferAmountsByMatchOrders as TransferAmounts, -} from '../../src/utils/types'; -import { provider, web3Wrapper } from '../../src/utils/web3_wrapper'; - -chaiSetup.configure(); -const expect = chai.expect; -const blockchainLifecycle = new BlockchainLifecycle(web3Wrapper); - -export class MatchOrderTester { - private _exchangeWrapper: ExchangeWrapper; - private _erc20Wrapper: ERC20Wrapper; - private _erc721Wrapper: ERC721Wrapper; - private _feeTokenAddress: string; - - /// @dev Compares a pair of ERC20 balances and a pair of ERC721 token owners. - /// @param expectedNewERC20BalancesByOwner Expected ERC20 balances. - /// @param realERC20BalancesByOwner Actual ERC20 balances. - /// @param expectedNewERC721TokenIdsByOwner Expected ERC721 token owners. - /// @param realERC721TokenIdsByOwner Actual ERC20 token owners. - /// @return True only if ERC20 balances match and ERC721 token owners match. - private static _compareExpectedAndRealBalances( - expectedNewERC20BalancesByOwner: ERC20BalancesByOwner, - realERC20BalancesByOwner: ERC20BalancesByOwner, - expectedNewERC721TokenIdsByOwner: ERC721TokenIdsByOwner, - realERC721TokenIdsByOwner: ERC721TokenIdsByOwner, - ): boolean { - // ERC20 Balances - const doesErc20BalancesMatch = _.isEqual(expectedNewERC20BalancesByOwner, realERC20BalancesByOwner); - if (!doesErc20BalancesMatch) { - return false; - } - // ERC721 Token Ids - const sortedExpectedNewERC721TokenIdsByOwner = _.mapValues( - expectedNewERC721TokenIdsByOwner, - tokenIdsByOwner => { - _.mapValues(tokenIdsByOwner, tokenIds => { - _.sortBy(tokenIds); - }); - }, - ); - const sortedNewERC721TokenIdsByOwner = _.mapValues(realERC721TokenIdsByOwner, tokenIdsByOwner => { - _.mapValues(tokenIdsByOwner, tokenIds => { - _.sortBy(tokenIds); - }); - }); - const doesErc721TokenIdsMatch = _.isEqual( - sortedExpectedNewERC721TokenIdsByOwner, - sortedNewERC721TokenIdsByOwner, - ); - return doesErc721TokenIdsMatch; - } - /// @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 validates results. - /// Validation either succeeds or throws. - /// @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 initialTakerAssetFilledAmountLeft Current amount the left order has been filled. - /// @param initialTakerAssetFilledAmountRight Current amount the right order has been filled. - /// @return New ERC20 balances & ERC721 token owners. - public async matchOrdersAndVerifyBalancesAsync( - signedOrderLeft: SignedOrder, - signedOrderRight: SignedOrder, - takerAddress: string, - erc20BalancesByOwner: ERC20BalancesByOwner, - erc721TokenIdsByOwner: ERC721TokenIdsByOwner, - initialTakerAssetFilledAmountLeft?: BigNumber, - initialTakerAssetFilledAmountRight?: BigNumber, - ): Promise<[ERC20BalancesByOwner, ERC721TokenIdsByOwner]> { - // Test setup & verify preconditions - const makerAddressLeft = signedOrderLeft.makerAddress; - const makerAddressRight = signedOrderRight.makerAddress; - const feeRecipientAddressLeft = signedOrderLeft.feeRecipientAddress; - const feeRecipientAddressRight = signedOrderRight.feeRecipientAddress; - // Verify Left order preconditions - const orderTakerAssetFilledAmountLeft = await this._exchangeWrapper.getTakerAssetFilledAmountAsync( - orderUtils.getOrderHashHex(signedOrderLeft), - ); - const expectedOrderFilledAmountLeft = initialTakerAssetFilledAmountLeft - ? initialTakerAssetFilledAmountLeft - : new BigNumber(0); - expect(expectedOrderFilledAmountLeft).to.be.bignumber.equal(orderTakerAssetFilledAmountLeft); - // Verify Right order preconditions - const orderTakerAssetFilledAmountRight = await this._exchangeWrapper.getTakerAssetFilledAmountAsync( - orderUtils.getOrderHashHex(signedOrderRight), - ); - const expectedOrderFilledAmountRight = initialTakerAssetFilledAmountRight - ? initialTakerAssetFilledAmountRight - : new BigNumber(0); - expect(expectedOrderFilledAmountRight).to.be.bignumber.equal(orderTakerAssetFilledAmountRight); - // Match left & right orders - await this._exchangeWrapper.matchOrdersAsync(signedOrderLeft, signedOrderRight, takerAddress); - const newERC20BalancesByOwner = await this._erc20Wrapper.getBalancesAsync(); - const newERC721TokenIdsByOwner = await this._erc721Wrapper.getBalancesAsync(); - // Calculate expected balance changes - const expectedTransferAmounts = await this._calculateExpectedTransferAmountsAsync( - signedOrderLeft, - signedOrderRight, - orderTakerAssetFilledAmountLeft, - orderTakerAssetFilledAmountRight, - ); - let expectedERC20BalancesByOwner: ERC20BalancesByOwner; - let expectedERC721TokenIdsByOwner: ERC721TokenIdsByOwner; - [expectedERC20BalancesByOwner, expectedERC721TokenIdsByOwner] = this._calculateExpectedBalances( - signedOrderLeft, - signedOrderRight, - takerAddress, - erc20BalancesByOwner, - erc721TokenIdsByOwner, - expectedTransferAmounts, - ); - // Assert our expected balances are equal to the actual balances - const didExpectedBalancesMatchRealBalances = MatchOrderTester._compareExpectedAndRealBalances( - expectedERC20BalancesByOwner, - newERC20BalancesByOwner, - expectedERC721TokenIdsByOwner, - newERC721TokenIdsByOwner, - ); - expect(didExpectedBalancesMatchRealBalances).to.be.true(); - return [newERC20BalancesByOwner, newERC721TokenIdsByOwner]; - } - /// @dev Calculates expected transfer amounts between order makers, fee recipients, and - /// the taker when two orders are matched. - /// @param signedOrderLeft First matched order. - /// @param signedOrderRight Second matched order. - /// @param orderTakerAssetFilledAmountLeft How much left order has been filled, prior to matching orders. - /// @param orderTakerAssetFilledAmountRight How much the right order has been filled, prior to matching orders. - /// @return TransferAmounts A struct containing the expected transfer amounts. - private async _calculateExpectedTransferAmountsAsync( - signedOrderLeft: SignedOrder, - signedOrderRight: SignedOrder, - orderTakerAssetFilledAmountLeft: BigNumber, - orderTakerAssetFilledAmountRight: BigNumber, - ): Promise<TransferAmounts> { - let amountBoughtByLeftMaker = await this._exchangeWrapper.getTakerAssetFilledAmountAsync( - orderUtils.getOrderHashHex(signedOrderLeft), - ); - amountBoughtByLeftMaker = amountBoughtByLeftMaker.minus(orderTakerAssetFilledAmountLeft); - const amountSoldByLeftMaker = amountBoughtByLeftMaker - .times(signedOrderLeft.makerAssetAmount) - .dividedToIntegerBy(signedOrderLeft.takerAssetAmount); - const amountReceivedByRightMaker = amountBoughtByLeftMaker - .times(signedOrderRight.takerAssetAmount) - .dividedToIntegerBy(signedOrderRight.makerAssetAmount); - const amountReceivedByTaker = amountSoldByLeftMaker.minus(amountReceivedByRightMaker); - let amountBoughtByRightMaker = await this._exchangeWrapper.getTakerAssetFilledAmountAsync( - orderUtils.getOrderHashHex(signedOrderRight), - ); - amountBoughtByRightMaker = amountBoughtByRightMaker.minus(orderTakerAssetFilledAmountRight); - const amountSoldByRightMaker = amountBoughtByRightMaker - .times(signedOrderRight.makerAssetAmount) - .dividedToIntegerBy(signedOrderRight.takerAssetAmount); - const amountReceivedByLeftMaker = amountSoldByRightMaker; - const feePaidByLeftMaker = signedOrderLeft.makerFee - .times(amountSoldByLeftMaker) - .dividedToIntegerBy(signedOrderLeft.makerAssetAmount); - const feePaidByRightMaker = signedOrderRight.makerFee - .times(amountSoldByRightMaker) - .dividedToIntegerBy(signedOrderRight.makerAssetAmount); - const feePaidByTakerLeft = signedOrderLeft.takerFee - .times(amountSoldByLeftMaker) - .dividedToIntegerBy(signedOrderLeft.makerAssetAmount); - const feePaidByTakerRight = signedOrderRight.takerFee - .times(amountSoldByRightMaker) - .dividedToIntegerBy(signedOrderRight.makerAssetAmount); - const totalFeePaidByTaker = feePaidByTakerLeft.add(feePaidByTakerRight); - const feeReceivedLeft = feePaidByLeftMaker.add(feePaidByTakerLeft); - const feeReceivedRight = feePaidByRightMaker.add(feePaidByTakerRight); - // Return values - const expectedTransferAmounts = { - // Left Maker - amountBoughtByLeftMaker, - amountSoldByLeftMaker, - amountReceivedByLeftMaker, - feePaidByLeftMaker, - // Right Maker - amountBoughtByRightMaker, - amountSoldByRightMaker, - amountReceivedByRightMaker, - feePaidByRightMaker, - // Taker - amountReceivedByTaker, - feePaidByTakerLeft, - feePaidByTakerRight, - totalFeePaidByTaker, - // Fee Recipients - feeReceivedLeft, - feeReceivedRight, - }; - return expectedTransferAmounts; - } - /// @dev Calculates the expected balances of order makers, fee recipients, and the taker, - /// as a result of matching two orders. - /// @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 A struct containing the expected transfer amounts. - /// @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 = assetProxyUtils.decodeProxyDataId(signedOrderLeft.makerAssetData); - if (makerAssetProxyIdLeft === AssetProxyId.ERC20) { - // Decode asset data - const erc20ProxyData = assetProxyUtils.decodeERC20ProxyData(signedOrderLeft.makerAssetData); - const makerAssetAddressLeft = erc20ProxyData.tokenAddress; - const takerAssetAddressRight = makerAssetAddressLeft; - // Left Maker - expectedNewERC20BalancesByOwner[makerAddressLeft][makerAssetAddressLeft] = expectedNewERC20BalancesByOwner[ - makerAddressLeft - ][makerAssetAddressLeft].minus(expectedTransferAmounts.amountSoldByLeftMaker); - // Right Maker - expectedNewERC20BalancesByOwner[makerAddressRight][ - takerAssetAddressRight - ] = expectedNewERC20BalancesByOwner[makerAddressRight][takerAssetAddressRight].add( - expectedTransferAmounts.amountReceivedByRightMaker, - ); - // Taker - expectedNewERC20BalancesByOwner[takerAddress][makerAssetAddressLeft] = expectedNewERC20BalancesByOwner[ - takerAddress - ][makerAssetAddressLeft].add(expectedTransferAmounts.amountReceivedByTaker); - } else if (makerAssetProxyIdLeft === AssetProxyId.ERC721) { - // Decode asset data - const erc721ProxyData = assetProxyUtils.decodeERC721ProxyData(signedOrderLeft.makerAssetData); - const makerAssetAddressLeft = erc721ProxyData.tokenAddress; - const makerAssetIdLeft = erc721ProxyData.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 = assetProxyUtils.decodeProxyDataId(signedOrderLeft.takerAssetData); - if (takerAssetProxyIdLeft === AssetProxyId.ERC20) { - // Decode asset data - const erc20ProxyData = assetProxyUtils.decodeERC20ProxyData(signedOrderLeft.takerAssetData); - const takerAssetAddressLeft = erc20ProxyData.tokenAddress; - const makerAssetAddressRight = takerAssetAddressLeft; - // Left Maker - expectedNewERC20BalancesByOwner[makerAddressLeft][takerAssetAddressLeft] = expectedNewERC20BalancesByOwner[ - makerAddressLeft - ][takerAssetAddressLeft].add(expectedTransferAmounts.amountReceivedByLeftMaker); - // Right Maker - expectedNewERC20BalancesByOwner[makerAddressRight][ - makerAssetAddressRight - ] = expectedNewERC20BalancesByOwner[makerAddressRight][makerAssetAddressRight].minus( - expectedTransferAmounts.amountSoldByRightMaker, - ); - } else if (takerAssetProxyIdLeft === AssetProxyId.ERC721) { - // Decode asset data - const erc721ProxyData = assetProxyUtils.decodeERC721ProxyData(signedOrderRight.makerAssetData); - const makerAssetAddressRight = erc721ProxyData.tokenAddress; - const makerAssetIdRight = erc721ProxyData.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.totalFeePaidByTaker); - // Left Fee Recipient Fees - expectedNewERC20BalancesByOwner[feeRecipientAddressLeft][ - this._feeTokenAddress - ] = expectedNewERC20BalancesByOwner[feeRecipientAddressLeft][this._feeTokenAddress].add( - expectedTransferAmounts.feeReceivedLeft, - ); - // Right Fee Recipient Fees - expectedNewERC20BalancesByOwner[feeRecipientAddressRight][ - this._feeTokenAddress - ] = expectedNewERC20BalancesByOwner[feeRecipientAddressRight][this._feeTokenAddress].add( - expectedTransferAmounts.feeReceivedRight, - ); - - return [expectedNewERC20BalancesByOwner, expectedNewERC721TokenIdsByOwner]; - } -} |