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import { assetProxyUtils, generatePseudoRandomSalt } from '@0xproject/order-utils';
import { Order } from '@0xproject/types';
import { BigNumber, errorUtils } from '@0xproject/utils';
import { DummyERC721TokenContract } from '../generated_contract_wrappers/dummy_e_r_c721_token';
import { constants } from './constants';
import {
AssetDataScenario,
ERC721TokenIdsByOwner,
ExpirationTimeSecondsScenario,
FeeRecipientAddressScenario,
OrderAmountScenario,
OrderScenario,
} 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);
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(orderScenario: OrderScenario): 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 (orderScenario.feeRecipientScenario) {
case FeeRecipientAddressScenario.BurnAddress:
feeRecipientAddress = constants.NULL_ADDRESS;
break;
case FeeRecipientAddressScenario.EthUserAddress:
feeRecipientAddress = this._userAddresses[4];
break;
default:
throw errorUtils.spawnSwitchErr('FeeRecipientAddressScenario', orderScenario.feeRecipientScenario);
}
switch (orderScenario.makerAssetDataScenario) {
case AssetDataScenario.ZRXFeeToken:
makerAssetData = assetProxyUtils.encodeERC20AssetData(this._zrxAddress);
break;
case AssetDataScenario.ERC20NonZRXEighteenDecimals:
makerAssetData = assetProxyUtils.encodeERC20AssetData(
this._nonZrxERC20EighteenDecimalTokenAddresses[0],
);
break;
case AssetDataScenario.ERC20FiveDecimals:
makerAssetData = assetProxyUtils.encodeERC20AssetData(this._erc20FiveDecimalTokenAddresses[0]);
break;
case AssetDataScenario.ERC721:
makerAssetData = assetProxyUtils.encodeERC721AssetData(
this._erc721Token.address,
erc721MakerAssetIds[0],
);
break;
default:
throw errorUtils.spawnSwitchErr('AssetDataScenario', orderScenario.makerAssetDataScenario);
}
switch (orderScenario.takerAssetDataScenario) {
case AssetDataScenario.ZRXFeeToken:
takerAssetData = assetProxyUtils.encodeERC20AssetData(this._zrxAddress);
break;
case AssetDataScenario.ERC20NonZRXEighteenDecimals:
takerAssetData = assetProxyUtils.encodeERC20AssetData(
this._nonZrxERC20EighteenDecimalTokenAddresses[1],
);
break;
case AssetDataScenario.ERC20FiveDecimals:
takerAssetData = assetProxyUtils.encodeERC20AssetData(this._erc20FiveDecimalTokenAddresses[1]);
break;
case AssetDataScenario.ERC721:
takerAssetData = assetProxyUtils.encodeERC721AssetData(
this._erc721Token.address,
erc721TakerAssetIds[0],
);
break;
default:
throw errorUtils.spawnSwitchErr('AssetDataScenario', orderScenario.takerAssetDataScenario);
}
switch (orderScenario.makerAssetAmountScenario) {
case OrderAmountScenario.NonZero:
switch (orderScenario.makerAssetDataScenario) {
case AssetDataScenario.ZRXFeeToken:
case AssetDataScenario.ERC20NonZRXEighteenDecimals:
makerAssetAmount = TEN_UNITS_EIGHTEEN_DECIMALS;
break;
case AssetDataScenario.ERC20FiveDecimals:
makerAssetAmount = TEN_UNITS_FIVE_DECIMALS;
break;
case AssetDataScenario.ERC721:
makerAssetAmount = ONE_NFT_UNIT;
break;
default:
throw errorUtils.spawnSwitchErr('AssetDataScenario', orderScenario.makerAssetDataScenario);
}
break;
case OrderAmountScenario.Zero:
makerAssetAmount = new BigNumber(0);
break;
default:
throw errorUtils.spawnSwitchErr('OrderAmountScenario', orderScenario.makerAssetAmountScenario);
}
switch (orderScenario.takerAssetAmountScenario) {
case OrderAmountScenario.NonZero:
switch (orderScenario.takerAssetDataScenario) {
case AssetDataScenario.ERC20NonZRXEighteenDecimals:
case AssetDataScenario.ZRXFeeToken:
takerAssetAmount = TEN_UNITS_EIGHTEEN_DECIMALS;
break;
case AssetDataScenario.ERC20FiveDecimals:
takerAssetAmount = TEN_UNITS_FIVE_DECIMALS;
break;
case AssetDataScenario.ERC721:
takerAssetAmount = ONE_NFT_UNIT;
break;
default:
throw errorUtils.spawnSwitchErr('AssetDataScenario', orderScenario.takerAssetDataScenario);
}
break;
case OrderAmountScenario.Zero:
takerAssetAmount = new BigNumber(0);
break;
default:
throw errorUtils.spawnSwitchErr('OrderAmountScenario', orderScenario.takerAssetAmountScenario);
}
switch (orderScenario.makerFeeScenario) {
case OrderAmountScenario.NonZero:
makerFee = POINT_ONE_UNITS_EIGHTEEN_DECIMALS;
break;
case OrderAmountScenario.Zero:
makerFee = new BigNumber(0);
break;
default:
throw errorUtils.spawnSwitchErr('OrderAmountScenario', orderScenario.makerFeeScenario);
}
switch (orderScenario.takerFeeScenario) {
case OrderAmountScenario.NonZero:
takerFee = POINT_ONE_UNITS_EIGHTEEN_DECIMALS;
break;
case OrderAmountScenario.Zero:
takerFee = new BigNumber(0);
break;
default:
throw errorUtils.spawnSwitchErr('OrderAmountScenario', orderScenario.takerFeeScenario);
}
switch (orderScenario.expirationTimeSecondsScenario) {
case ExpirationTimeSecondsScenario.InFuture:
expirationTimeSeconds = new BigNumber(2524604400); // Close to infinite
break;
case ExpirationTimeSecondsScenario.InPast:
expirationTimeSeconds = new BigNumber(0); // Jan 1, 1970
break;
default:
throw errorUtils.spawnSwitchErr(
'ExpirationTimeSecondsScenario',
orderScenario.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;
}
}
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