diff options
Diffstat (limited to 'packages/contracts/src')
6 files changed, 411 insertions, 3 deletions
diff --git a/packages/contracts/src/utils/erc20_wrapper.ts b/packages/contracts/src/utils/erc20_wrapper.ts index dceeceeea..efb245c89 100644 --- a/packages/contracts/src/utils/erc20_wrapper.ts +++ b/packages/contracts/src/utils/erc20_wrapper.ts @@ -25,8 +25,11 @@ export class ERC20Wrapper { this._tokenOwnerAddresses = tokenOwnerAddresses; this._contractOwnerAddress = contractOwnerAddress; } - public async deployDummyTokensAsync(): Promise<DummyERC20TokenContract[]> { - for (let i = 0; i < constants.NUM_DUMMY_ERC20_TO_DEPLOY; i++) { + public async deployDummyTokensAsync(num?: number, decimals?: BigNumber): Promise<DummyERC20TokenContract[]> { + // TODO(fabio): Remove and refactor all tests + const finalNum = _.isUndefined(num) ? constants.NUM_DUMMY_ERC20_TO_DEPLOY : num; + const finalDecimals = _.isUndefined(decimals) ? constants.DUMMY_TOKEN_DECIMALS : decimals; + for (let i = 0; i < finalNum; i++) { this._dummyTokenContracts.push( await DummyERC20TokenContract.deployFrom0xArtifactAsync( artifacts.DummyERC20Token, @@ -34,7 +37,7 @@ export class ERC20Wrapper { txDefaults, constants.DUMMY_TOKEN_NAME, constants.DUMMY_TOKEN_SYMBOL, - constants.DUMMY_TOKEN_DECIMALS, + finalDecimals, constants.DUMMY_TOKEN_TOTAL_SUPPLY, ), ); @@ -73,6 +76,25 @@ export class ERC20Wrapper { } } } + public async getBalanceAsync(owner: string, token: string): Promise<BigNumber> { + const tokenContractIfExists = _.find(this._dummyTokenContracts, c => c.address === token); + if (_.isUndefined(tokenContractIfExists)) { + throw new Error(`Token: ${token} was not deployed through ERC20Wrapper`); + } + const balance = new BigNumber(await tokenContractIfExists.balanceOf.callAsync(owner)); + return balance; + } + public async getProxyAllowanceAsync(owner: string, token: string): Promise<BigNumber> { + this._validateProxyContractExistsOrThrow(); + const tokenContractIfExists = _.find(this._dummyTokenContracts, c => c.address === token); + if (_.isUndefined(tokenContractIfExists)) { + throw new Error(`Token: ${token} was not deployed through ERC20Wrapper`); + } + const balance = new BigNumber( + await tokenContractIfExists.allowance.callAsync(owner, (this._proxyContract as ERC20ProxyContract).address), + ); + return balance; + } public async getBalancesAsync(): Promise<ERC20BalancesByOwner> { this._validateDummyTokenContractsExistOrThrow(); const balancesByOwner: ERC20BalancesByOwner = {}; diff --git a/packages/contracts/src/utils/new_order_factory.ts b/packages/contracts/src/utils/new_order_factory.ts new file mode 100644 index 000000000..a4ded4230 --- /dev/null +++ b/packages/contracts/src/utils/new_order_factory.ts @@ -0,0 +1,264 @@ +import { assetProxyUtils, generatePseudoRandomSalt } from '@0xproject/order-utils'; +import { Order } from '@0xproject/types'; +import { BigNumber, errorUtils } from '@0xproject/utils'; + +import { DummyERC721TokenContract } from '../contract_wrappers/generated/dummy_e_r_c721_token'; + +import { constants } from './constants'; +import { + AssetDataScenario, + ERC721TokenIdsByOwner, + 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; + +/* + * TODO: + * - Write function that given an order, fillAmount, retrieves orderRelevantState and maps it to expected test outcome. + * - Write function that generates order permutations. + * - Write functions for other steps that must be permutated + */ + +export class NewOrderFactory { + private _userAddresses: string[]; + private _zrxAddress: string; + private _nonZrxERC20EighteenDecimalTokenAddresses: string[]; + private _erc20FiveDecimalTokenAddresses: string[]; + private _erc721Token: DummyERC721TokenContract; + private _erc721Balances: ERC721TokenIdsByOwner; + private _exchangeAddress: string; + constructor( + userAddresses: string[], + zrxAddress: string, + nonZrxERC20EighteenDecimalTokenAddresses: string[], + erc20FiveDecimalTokenAddresses: string[], + erc721Token: DummyERC721TokenContract, + erc721Balances: ERC721TokenIdsByOwner, + exchangeAddress: string, + ) { + this._userAddresses = userAddresses; + this._zrxAddress = zrxAddress; + this._nonZrxERC20EighteenDecimalTokenAddresses = nonZrxERC20EighteenDecimalTokenAddresses; + this._erc20FiveDecimalTokenAddresses = erc20FiveDecimalTokenAddresses; + this._erc721Token = erc721Token; + this._erc721Balances = erc721Balances; + this._exchangeAddress = exchangeAddress; + } + public generateOrder( + feeRecipientScenario: FeeRecipientAddressScenario, + makerAssetAmountScenario: OrderAmountScenario, + takerAssetAmountScenario: OrderAmountScenario, + makerFeeScenario: OrderAmountScenario, + takerFeeScenario: OrderAmountScenario, + expirationTimeSecondsScenario: ExpirationTimeSecondsScenario, + makerAssetDataScenario: AssetDataScenario, + takerAssetDataScenario: AssetDataScenario, + ): Order { + const makerAddress = this._userAddresses[1]; + const takerAddress = this._userAddresses[2]; + const erc721MakerAssetIds = this._erc721Balances[makerAddress][this._erc721Token.address]; + const erc721TakerAssetIds = this._erc721Balances[takerAddress][this._erc721Token.address]; + 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 = this._userAddresses[4]; + break; + default: + throw errorUtils.spawnSwitchErr('FeeRecipientAddressScenario', feeRecipientScenario); + } + + const invalidAssetProxyIdHex = '0A'; + switch (makerAssetDataScenario) { + case AssetDataScenario.ZRXFeeToken: + makerAssetData = assetProxyUtils.encodeERC20ProxyData(this._zrxAddress); + break; + case AssetDataScenario.ERC20NonZRXEighteenDecimals: + makerAssetData = assetProxyUtils.encodeERC20ProxyData( + this._nonZrxERC20EighteenDecimalTokenAddresses[0], + ); + break; + case AssetDataScenario.ERC20FiveDecimals: + makerAssetData = assetProxyUtils.encodeERC20ProxyData(this._erc20FiveDecimalTokenAddresses[0]); + break; + case AssetDataScenario.ERC20InvalidAssetProxyId: { + const validAssetData = assetProxyUtils.encodeERC20ProxyData( + this._nonZrxERC20EighteenDecimalTokenAddresses[0], + ); + makerAssetData = `${validAssetData.slice(0, -2)}${invalidAssetProxyIdHex}`; + break; + } + case AssetDataScenario.ERC721ValidAssetProxyId: + makerAssetData = assetProxyUtils.encodeERC721ProxyData( + this._erc721Token.address, + erc721MakerAssetIds[0], + ); + break; + case AssetDataScenario.ERC721InvalidAssetProxyId: { + const validAssetData = assetProxyUtils.encodeERC721ProxyData( + this._erc721Token.address, + erc721MakerAssetIds[0], + ); + makerAssetData = `${validAssetData.slice(0, -2)}${invalidAssetProxyIdHex}`; + break; + } + default: + throw errorUtils.spawnSwitchErr('AssetDataScenario', makerAssetDataScenario); + } + + switch (takerAssetDataScenario) { + case AssetDataScenario.ZRXFeeToken: + takerAssetData = assetProxyUtils.encodeERC20ProxyData(this._zrxAddress); + break; + case AssetDataScenario.ERC20NonZRXEighteenDecimals: + takerAssetData = assetProxyUtils.encodeERC20ProxyData( + this._nonZrxERC20EighteenDecimalTokenAddresses[1], + ); + break; + case AssetDataScenario.ERC20FiveDecimals: + takerAssetData = assetProxyUtils.encodeERC20ProxyData(this._erc20FiveDecimalTokenAddresses[1]); + break; + case AssetDataScenario.ERC20InvalidAssetProxyId: { + const validAssetData = assetProxyUtils.encodeERC20ProxyData( + this._nonZrxERC20EighteenDecimalTokenAddresses[1], + ); + takerAssetData = `${validAssetData.slice(0, -2)}${invalidAssetProxyIdHex}`; + break; + } + case AssetDataScenario.ERC721ValidAssetProxyId: + takerAssetData = assetProxyUtils.encodeERC721ProxyData( + this._erc721Token.address, + erc721TakerAssetIds[0], + ); + break; + case AssetDataScenario.ERC721InvalidAssetProxyId: { + const validAssetData = assetProxyUtils.encodeERC721ProxyData( + this._erc721Token.address, + erc721TakerAssetIds[0], + ); + takerAssetData = `${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, + takerAddress, + makerFee, + takerFee, + makerAssetAmount, + takerAssetAmount, + makerAssetData, + takerAssetData, + salt: generatePseudoRandomSalt(), + exchangeAddress: this._exchangeAddress, + feeRecipientAddress, + expirationTimeSeconds, + }; + + return order; + } +} diff --git a/packages/contracts/src/utils/order_info_utils.ts b/packages/contracts/src/utils/order_info_utils.ts new file mode 100644 index 000000000..9df627da3 --- /dev/null +++ b/packages/contracts/src/utils/order_info_utils.ts @@ -0,0 +1,44 @@ +import { assetProxyUtils, OrderStateUtils } from '@0xproject/order-utils'; +import { SignedOrder } from '@0xproject/types'; +import { BigNumber } from '@0xproject/utils'; + +import { ExchangeContract } from '../contract_wrappers/generated/exchange'; + +import { constants } from './constants'; +import { ERC20Wrapper } from './erc20_wrapper'; +import { SimpleERC20BalanceAndProxyAllowanceFetcher } from './simple_erc20_balance_and_allowance_fetcher'; +import { SimpleOrderFilledCancelledFetcher } from './simple_filled_cancelled_fetcher'; + +export class OrderInfoUtils { + private _orderStateUtils: OrderStateUtils; + private _erc20Wrapper: ERC20Wrapper; + constructor(exchangeContract: ExchangeContract, erc20Wrapper: ERC20Wrapper, zrxAddress: string) { + this._erc20Wrapper = erc20Wrapper; + const simpleOrderFilledCancelledFetcher = new SimpleOrderFilledCancelledFetcher(exchangeContract, zrxAddress); + const simpleERC20BalanceAndProxyAllowanceFetcher = new SimpleERC20BalanceAndProxyAllowanceFetcher(erc20Wrapper); + this._orderStateUtils = new OrderStateUtils( + simpleERC20BalanceAndProxyAllowanceFetcher, + simpleOrderFilledCancelledFetcher, + ); + } + public async getFillableTakerAssetAmountAsync(signedOrder: SignedOrder, takerAddress: string): Promise<BigNumber> { + const orderRelevantState = await this._orderStateUtils.getOrderRelevantStateAsync(signedOrder); + console.log('orderRelevantState', orderRelevantState); + if (takerAddress === constants.NULL_ADDRESS) { + return orderRelevantState.remainingFillableTakerAssetAmount; + } + const takerAssetData = assetProxyUtils.decodeERC20ProxyData(signedOrder.takerAssetData); + const takerBalance = await this._erc20Wrapper.getBalanceAsync(takerAddress, takerAssetData.tokenAddress); + const takerAllowance = await this._erc20Wrapper.getProxyAllowanceAsync( + takerAddress, + takerAssetData.tokenAddress, + ); + // TODO: We also need to make sure taker has sufficient ZRX for fees... + const fillableTakerAssetAmount = BigNumber.min([ + takerBalance, + takerAllowance, + orderRelevantState.remainingFillableTakerAssetAmount, + ]); + return fillableTakerAssetAmount; + } +} diff --git a/packages/contracts/src/utils/simple_erc20_balance_and_allowance_fetcher.ts b/packages/contracts/src/utils/simple_erc20_balance_and_allowance_fetcher.ts new file mode 100644 index 000000000..6eed9227a --- /dev/null +++ b/packages/contracts/src/utils/simple_erc20_balance_and_allowance_fetcher.ts @@ -0,0 +1,20 @@ +import { AbstractBalanceAndProxyAllowanceFetcher } from '@0xproject/order-utils'; +import { BigNumber } from '@0xproject/utils'; + +import { ERC20Wrapper } from './erc20_wrapper'; + +// TODO(fabio): Refactor this to also work for ERC721! +export class SimpleERC20BalanceAndProxyAllowanceFetcher implements AbstractBalanceAndProxyAllowanceFetcher { + private _erc20TokenWrapper: ERC20Wrapper; + constructor(erc20TokenWrapper: ERC20Wrapper) { + this._erc20TokenWrapper = erc20TokenWrapper; + } + public async getBalanceAsync(tokenAddress: string, userAddress: string): Promise<BigNumber> { + const balance = await this._erc20TokenWrapper.getBalanceAsync(userAddress, tokenAddress); + return balance; + } + public async getProxyAllowanceAsync(tokenAddress: string, userAddress: string): Promise<BigNumber> { + const proxyAllowance = await this._erc20TokenWrapper.getProxyAllowanceAsync(userAddress, tokenAddress); + return proxyAllowance; + } +} diff --git a/packages/contracts/src/utils/simple_filled_cancelled_fetcher.ts b/packages/contracts/src/utils/simple_filled_cancelled_fetcher.ts new file mode 100644 index 000000000..0a80637cc --- /dev/null +++ b/packages/contracts/src/utils/simple_filled_cancelled_fetcher.ts @@ -0,0 +1,32 @@ +import { AbstractOrderFilledCancelledFetcher } from '@0xproject/order-utils'; +import { BigNumber } from '@0xproject/utils'; +import { BlockParamLiteral } from 'ethereum-types'; + +import { + CancelContractEventArgs, + ExchangeContract, + FillContractEventArgs, +} from '../contract_wrappers/generated/exchange'; + +export class SimpleOrderFilledCancelledFetcher implements AbstractOrderFilledCancelledFetcher { + private _exchangeContract: ExchangeContract; + private _zrxAddress: string; + constructor(exchange: ExchangeContract, zrxAddress: string) { + this._exchangeContract = exchange; + this._zrxAddress = zrxAddress; + } + public async getFilledTakerAmountAsync(orderHash: string): Promise<BigNumber> { + const filledTakerAmount = new BigNumber(await this._exchangeContract.filled.callAsync(orderHash)); + return filledTakerAmount; + } + public async isOrderCancelledAsync(orderHash: string): Promise<boolean> { + const methodOpts = { + defaultBlock: BlockParamLiteral.Latest, + }; + const isCancelled = await this._exchangeContract.cancelled.callAsync(orderHash); + return isCancelled; + } + public getZRXTokenAddress(): string { + return this._zrxAddress; + } +} diff --git a/packages/contracts/src/utils/types.ts b/packages/contracts/src/utils/types.ts index 491890fa1..64f6400c5 100644 --- a/packages/contracts/src/utils/types.ts +++ b/packages/contracts/src/utils/types.ts @@ -147,3 +147,29 @@ export interface MatchOrder { leftSignature: string; rightSignature: string; } + +// 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', +} |