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-rw-r--r--packages/contracts/src/utils/coverage.ts21
-rw-r--r--packages/contracts/src/utils/match_order_tester.ts356
2 files changed, 377 insertions, 0 deletions
diff --git a/packages/contracts/src/utils/coverage.ts b/packages/contracts/src/utils/coverage.ts
new file mode 100644
index 000000000..a37939464
--- /dev/null
+++ b/packages/contracts/src/utils/coverage.ts
@@ -0,0 +1,21 @@
+import { devConstants } from '@0xproject/dev-utils';
+import { CoverageSubprovider, SolCompilerArtifactAdapter } from '@0xproject/sol-cov';
+import * as fs from 'fs';
+import * as _ from 'lodash';
+
+let coverageSubprovider: CoverageSubprovider;
+
+export const coverage = {
+ getCoverageSubproviderSingleton(): CoverageSubprovider {
+ if (_.isUndefined(coverageSubprovider)) {
+ coverageSubprovider = coverage._getCoverageSubprovider();
+ }
+ return coverageSubprovider;
+ },
+ _getCoverageSubprovider(): CoverageSubprovider {
+ const defaultFromAddress = devConstants.TESTRPC_FIRST_ADDRESS;
+ const solCompilerArtifactAdapter = new SolCompilerArtifactAdapter();
+ const subprovider = new CoverageSubprovider(solCompilerArtifactAdapter, defaultFromAddress);
+ return subprovider;
+ },
+};
diff --git a/packages/contracts/src/utils/match_order_tester.ts b/packages/contracts/src/utils/match_order_tester.ts
new file mode 100644
index 000000000..30039937f
--- /dev/null
+++ b/packages/contracts/src/utils/match_order_tester.ts
@@ -0,0 +1,356 @@
+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 '../contract_wrappers/generated/dummy_e_r_c20_token';
+import { DummyERC721TokenContract } from '../contract_wrappers/generated/dummy_e_r_c721_token';
+import { ERC20ProxyContract } from '../contract_wrappers/generated/e_r_c20_proxy';
+import { ERC721ProxyContract } from '../contract_wrappers/generated/e_r_c721_proxy';
+import {
+ CancelContractEventArgs,
+ ExchangeContract,
+ FillContractEventArgs,
+} from '../contract_wrappers/generated/exchange';
+import { assetProxyUtils } from '../utils/asset_proxy_utils';
+import { chaiSetup } from '../utils/chai_setup';
+import { constants } from '../utils/constants';
+import { crypto } from '../utils/crypto';
+import { ERC20Wrapper } from '../utils/erc20_wrapper';
+import { ERC721Wrapper } from '../utils/erc721_wrapper';
+import { ExchangeWrapper } from '../utils/exchange_wrapper';
+import { OrderFactory } from '../utils/order_factory';
+import { orderUtils } from '../utils/order_utils';
+import {
+ AssetProxyId,
+ ContractName,
+ ERC20BalancesByOwner,
+ ERC721TokenIdsByOwner,
+ ExchangeStatus,
+ SignedOrder,
+ TransferAmountsByMatchOrders as TransferAmounts,
+} from '../utils/types';
+import { provider, web3Wrapper } from '../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];
+ }
+}
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-05 22:22:36 +0800