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-rw-r--r--packages/contracts/src/utils/combinatorial_utils.ts213
-rw-r--r--packages/contracts/src/utils/types.ts31
2 files changed, 244 insertions, 0 deletions
diff --git a/packages/contracts/src/utils/combinatorial_utils.ts b/packages/contracts/src/utils/combinatorial_utils.ts
new file mode 100644
index 000000000..c7d48c86d
--- /dev/null
+++ b/packages/contracts/src/utils/combinatorial_utils.ts
@@ -0,0 +1,213 @@
+import { assetProxyUtils, generatePseudoRandomSalt } from '@0xproject/order-utils';
+import { Order } from '@0xproject/types';
+import { BigNumber, errorUtils } from '@0xproject/utils';
+
+import { constants } from './constants';
+import {
+ AssetDataScenario,
+ ERC721Token,
+ ExpirationTimeSecondsScenario,
+ FeeRecipientAddressScenario,
+ OrderAmountScenario,
+} from './types';
+
+const TEN_UNITS_EIGHTEEN_DECIMALS = new BigNumber(10000000000000000000);
+const POINT_ONE_UNITS_EIGHTEEN_DECIMALS = new BigNumber(100000000000000000);
+const TEN_UNITS_FIVE_DECIMALS = new BigNumber(1000000);
+const ONE_NFT_UNIT = new BigNumber(1);
+const TEN_MINUTES_MS = 1000 * 60 * 10;
+
+export const combinatorialUtils = {
+ generateOrder(
+ userAddresses: string[],
+ zrxAddress: string,
+ nonZrxERC20EighteenDecimalTokenAddress: string,
+ erc20FiveDecimalTokenAddress: string,
+ erc721Token: ERC721Token,
+ exchangeAddress: string,
+ feeRecipientScenario: FeeRecipientAddressScenario,
+ makerAssetAmountScenario: OrderAmountScenario,
+ takerAssetAmountScenario: OrderAmountScenario,
+ makerFeeScenario: OrderAmountScenario,
+ takerFeeScenario: OrderAmountScenario,
+ expirationTimeSecondsScenario: ExpirationTimeSecondsScenario,
+ makerAssetDataScenario: AssetDataScenario,
+ takerAssetDataScenario: AssetDataScenario,
+ ): Order {
+ let feeRecipientAddress;
+ let makerAssetAmount;
+ let takerAssetAmount;
+ let makerFee;
+ let takerFee;
+ let expirationTimeSeconds;
+ let makerAssetData;
+ let takerAssetData;
+
+ switch (feeRecipientScenario) {
+ case FeeRecipientAddressScenario.BurnAddress:
+ feeRecipientAddress = constants.NULL_ADDRESS;
+ break;
+ case FeeRecipientAddressScenario.EthUserAddress:
+ feeRecipientAddress = userAddresses[4];
+ break;
+ default:
+ throw errorUtils.spawnSwitchErr('FeeRecipientAddressScenario', feeRecipientScenario);
+ }
+
+ const invalidAssetProxyIdHex = '0A';
+ switch (makerAssetDataScenario) {
+ case AssetDataScenario.ZRXFeeToken:
+ makerAssetData = assetProxyUtils.encodeERC20ProxyData(zrxAddress);
+ break;
+ case AssetDataScenario.ERC20NonZRXEighteenDecimals:
+ makerAssetData = assetProxyUtils.encodeERC20ProxyData(nonZrxERC20EighteenDecimalTokenAddress);
+ break;
+ case AssetDataScenario.ERC20FiveDecimals:
+ makerAssetData = assetProxyUtils.encodeERC20ProxyData(erc20FiveDecimalTokenAddress);
+ break;
+ case AssetDataScenario.ERC20InvalidAssetProxyId: {
+ const validAssetData = assetProxyUtils.encodeERC20ProxyData(nonZrxERC20EighteenDecimalTokenAddress);
+ makerAssetData = `${validAssetData.slice(0, -2)}${invalidAssetProxyIdHex}`;
+ break;
+ }
+ case AssetDataScenario.ERC721ValidAssetProxyId:
+ makerAssetData = assetProxyUtils.encodeERC721ProxyData(erc721Token.address, erc721Token.id);
+ break;
+ case AssetDataScenario.ERC721InvalidAssetProxyId: {
+ const validAssetData = assetProxyUtils.encodeERC721ProxyData(erc721Token.address, erc721Token.id);
+ makerAssetData = `${validAssetData.slice(0, -2)}${invalidAssetProxyIdHex}`;
+ break;
+ }
+ default:
+ throw errorUtils.spawnSwitchErr('AssetDataScenario', makerAssetDataScenario);
+ }
+
+ switch (takerAssetDataScenario) {
+ case AssetDataScenario.ZRXFeeToken:
+ takerAssetData = assetProxyUtils.encodeERC20ProxyData(zrxAddress);
+ break;
+ case AssetDataScenario.ERC20NonZRXEighteenDecimals:
+ takerAssetData = assetProxyUtils.encodeERC20ProxyData(nonZrxERC20EighteenDecimalTokenAddress);
+ break;
+ case AssetDataScenario.ERC20FiveDecimals:
+ takerAssetData = assetProxyUtils.encodeERC20ProxyData(erc20FiveDecimalTokenAddress);
+ break;
+ case AssetDataScenario.ERC20InvalidAssetProxyId: {
+ const validAssetData = assetProxyUtils.encodeERC20ProxyData(nonZrxERC20EighteenDecimalTokenAddress);
+ takerAssetData = `${validAssetData.slice(0, -2)}${invalidAssetProxyIdHex}`;
+ break;
+ }
+ case AssetDataScenario.ERC721ValidAssetProxyId:
+ takerAssetData = assetProxyUtils.encodeERC721ProxyData(erc721Token.address, erc721Token.id);
+ break;
+ case AssetDataScenario.ERC721InvalidAssetProxyId: {
+ const validAssetData = assetProxyUtils.encodeERC721ProxyData(erc721Token.address, erc721Token.id);
+ takerAssetData = `${validAssetData.slice(0, -2)}${invalidAssetProxyIdHex}`;
+ break;
+ }
+ default:
+ throw errorUtils.spawnSwitchErr('AssetDataScenario', takerAssetDataScenario);
+ }
+
+ switch (makerAssetAmountScenario) {
+ case OrderAmountScenario.NonZero:
+ switch (makerAssetDataScenario) {
+ case AssetDataScenario.ERC20NonZRXEighteenDecimals:
+ case AssetDataScenario.ERC20InvalidAssetProxyId:
+ makerAssetAmount = TEN_UNITS_EIGHTEEN_DECIMALS;
+ break;
+ case AssetDataScenario.ERC20FiveDecimals:
+ makerAssetAmount = TEN_UNITS_FIVE_DECIMALS;
+ break;
+ case AssetDataScenario.ERC721ValidAssetProxyId:
+ case AssetDataScenario.ERC721InvalidAssetProxyId:
+ makerAssetAmount = ONE_NFT_UNIT;
+ break;
+ default:
+ throw errorUtils.spawnSwitchErr('AssetDataScenario', makerAssetDataScenario);
+ }
+ break;
+ case OrderAmountScenario.Zero:
+ makerAssetAmount = new BigNumber(0);
+ break;
+ default:
+ throw errorUtils.spawnSwitchErr('OrderAmountScenario', makerAssetAmountScenario);
+ }
+
+ switch (takerAssetAmountScenario) {
+ case OrderAmountScenario.NonZero:
+ switch (takerAssetDataScenario) {
+ case AssetDataScenario.ERC20NonZRXEighteenDecimals:
+ case AssetDataScenario.ERC20InvalidAssetProxyId:
+ takerAssetAmount = TEN_UNITS_EIGHTEEN_DECIMALS;
+ break;
+ case AssetDataScenario.ERC20FiveDecimals:
+ takerAssetAmount = TEN_UNITS_FIVE_DECIMALS;
+ break;
+ case AssetDataScenario.ERC721ValidAssetProxyId:
+ case AssetDataScenario.ERC721InvalidAssetProxyId:
+ takerAssetAmount = ONE_NFT_UNIT;
+ break;
+ default:
+ throw errorUtils.spawnSwitchErr('AssetDataScenario', takerAssetDataScenario);
+ }
+ break;
+ case OrderAmountScenario.Zero:
+ takerAssetAmount = new BigNumber(0);
+ break;
+ default:
+ throw errorUtils.spawnSwitchErr('OrderAmountScenario', takerAssetAmountScenario);
+ }
+
+ switch (makerFeeScenario) {
+ case OrderAmountScenario.NonZero:
+ makerFee = POINT_ONE_UNITS_EIGHTEEN_DECIMALS;
+ break;
+ case OrderAmountScenario.Zero:
+ makerFee = new BigNumber(0);
+ break;
+ default:
+ throw errorUtils.spawnSwitchErr('OrderAmountScenario', makerFeeScenario);
+ }
+
+ switch (takerFeeScenario) {
+ case OrderAmountScenario.NonZero:
+ takerFee = POINT_ONE_UNITS_EIGHTEEN_DECIMALS;
+ break;
+ case OrderAmountScenario.Zero:
+ takerFee = new BigNumber(0);
+ break;
+ default:
+ throw errorUtils.spawnSwitchErr('OrderAmountScenario', takerFeeScenario);
+ }
+
+ switch (expirationTimeSecondsScenario) {
+ case ExpirationTimeSecondsScenario.InFuture:
+ expirationTimeSeconds = new BigNumber(Date.now() + TEN_MINUTES_MS);
+ break;
+ case ExpirationTimeSecondsScenario.InPast:
+ expirationTimeSeconds = new BigNumber(Date.now() - TEN_MINUTES_MS);
+ break;
+ default:
+ throw errorUtils.spawnSwitchErr('ExpirationTimeSecondsScenario', expirationTimeSecondsScenario);
+ }
+
+ const order: Order = {
+ senderAddress: constants.NULL_ADDRESS,
+ makerAddress: userAddresses[1],
+ takerAddress: userAddresses[2],
+ makerFee,
+ takerFee,
+ makerAssetAmount,
+ takerAssetAmount,
+ makerAssetData,
+ takerAssetData,
+ salt: generatePseudoRandomSalt(),
+ exchangeAddress,
+ feeRecipientAddress,
+ expirationTimeSeconds,
+ };
+
+ return order;
+ },
+};
diff --git a/packages/contracts/src/utils/types.ts b/packages/contracts/src/utils/types.ts
index 360e1fdbc..58d855c04 100644
--- a/packages/contracts/src/utils/types.ts
+++ b/packages/contracts/src/utils/types.ts
@@ -147,3 +147,34 @@ export interface MatchOrder {
leftSignature: string;
rightSignature: string;
}
+
+export interface ERC721Token {
+ address: string;
+ id: BigNumber;
+}
+
+// Combinatorial testing types
+
+export enum FeeRecipientAddressScenario {
+ BurnAddress = 'BURN_ADDRESS',
+ EthUserAddress = 'ETH_USER_ADDRESS',
+}
+
+export enum OrderAmountScenario {
+ Zero = 'ZERO',
+ NonZero = 'NON_ZERO',
+}
+
+export enum ExpirationTimeSecondsScenario {
+ InPast = 'IN_PAST',
+ InFuture = 'IN_FUTURE',
+}
+
+export enum AssetDataScenario {
+ ERC721ValidAssetProxyId = 'ERC721_VALID_ASSET_PROXY_ID',
+ ERC721InvalidAssetProxyId = 'ERC721_INVALID_ASSET_PROXY_ID',
+ ZRXFeeToken = 'ZRX_FEE_TOKEN',
+ ERC20InvalidAssetProxyId = 'ERC20_INVALID_ASSET_PROXY_ID',
+ ERC20FiveDecimals = 'ERC20_FIVE_DECIMALS',
+ ERC20NonZRXEighteenDecimals = 'ERC20_NON_ZRX_EIGHTEEN_DECIMALS',
+}