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import { TransactionReceiptWithDecodedLogs, ZeroEx } from '0x.js';
import { BigNumber } from '@0xproject/utils';
import * as _ from 'lodash';
import * as Web3 from 'web3';
import { ExchangeContract } from '../contract_wrappers/generated/exchange';
import { constants } from './constants';
import { formatters } from './formatters';
import { LogDecoder } from './log_decoder';
import { orderUtils } from './order_utils';
import { SignedOrder } from './types';
export class ExchangeWrapper {
private _exchange: ExchangeContract;
private _logDecoder: LogDecoder = new LogDecoder(constants.TESTRPC_NETWORK_ID);
private _zeroEx: ZeroEx;
constructor(exchangeContract: ExchangeContract, zeroEx: ZeroEx) {
this._exchange = exchangeContract;
this._zeroEx = zeroEx;
}
public async fillOrderAsync(
signedOrder: SignedOrder,
from: string,
opts: { takerSellAmount?: BigNumber } = {},
): Promise<TransactionReceiptWithDecodedLogs> {
const params = orderUtils.createFill(signedOrder, opts.takerSellAmount);
const txHash = await this._exchange.fillOrder.sendTransactionAsync(
params.order,
params.takerSellAmount,
params.signature,
{ from },
);
const tx = await this._getTxWithDecodedExchangeLogsAsync(txHash);
return tx;
}
public async cancelOrderAsync(signedOrder: SignedOrder, from: string): Promise<TransactionReceiptWithDecodedLogs> {
const params = orderUtils.createCancel(signedOrder);
const txHash = await this._exchange.cancelOrder.sendTransactionAsync(params.order, { from });
const tx = await this._getTxWithDecodedExchangeLogsAsync(txHash);
return tx;
}
public async fillOrKillOrderAsync(
signedOrder: SignedOrder,
from: string,
opts: { takerSellAmount?: BigNumber } = {},
): Promise<TransactionReceiptWithDecodedLogs> {
const params = orderUtils.createFill(signedOrder, opts.takerSellAmount);
const txHash = await this._exchange.fillOrKillOrder.sendTransactionAsync(
params.order,
params.takerSellAmount,
params.signature,
{ from },
);
const tx = await this._getTxWithDecodedExchangeLogsAsync(txHash);
return tx;
}
public async fillOrderNoThrowAsync(
signedOrder: SignedOrder,
from: string,
opts: { takerSellAmount?: BigNumber } = {},
): Promise<TransactionReceiptWithDecodedLogs> {
const params = orderUtils.createFill(signedOrder, opts.takerSellAmount);
const txHash = await this._exchange.fillOrderNoThrow.sendTransactionAsync(
params.order,
params.takerSellAmount,
params.signature,
{ from },
);
const tx = await this._getTxWithDecodedExchangeLogsAsync(txHash);
return tx;
}
public async batchFillOrdersAsync(
orders: SignedOrder[],
from: string,
opts: { takerSellAmounts?: BigNumber[] } = {},
): Promise<TransactionReceiptWithDecodedLogs> {
const params = formatters.createBatchFill(orders, opts.takerSellAmounts);
const txHash = await this._exchange.batchFillOrders.sendTransactionAsync(
params.orders,
params.takerSellAmounts,
params.signatures,
{ from },
);
const tx = await this._getTxWithDecodedExchangeLogsAsync(txHash);
return tx;
}
public async batchFillOrKillOrdersAsync(
orders: SignedOrder[],
from: string,
opts: { takerSellAmounts?: BigNumber[] } = {},
): Promise<TransactionReceiptWithDecodedLogs> {
const params = formatters.createBatchFill(orders, opts.takerSellAmounts);
const txHash = await this._exchange.batchFillOrKillOrders.sendTransactionAsync(
params.orders,
params.takerSellAmounts,
params.signatures,
{ from },
);
const tx = await this._getTxWithDecodedExchangeLogsAsync(txHash);
return tx;
}
public async batchFillOrdersNoThrowAsync(
orders: SignedOrder[],
from: string,
opts: { takerSellAmounts?: BigNumber[] } = {},
): Promise<TransactionReceiptWithDecodedLogs> {
const params = formatters.createBatchFill(orders, opts.takerSellAmounts);
const txHash = await this._exchange.batchFillOrdersNoThrow.sendTransactionAsync(
params.orders,
params.takerSellAmounts,
params.signatures,
{ from },
);
const tx = await this._getTxWithDecodedExchangeLogsAsync(txHash);
return tx;
}
public async marketSellOrdersAsync(
orders: SignedOrder[],
from: string,
opts: { takerSellAmount: BigNumber },
): Promise<TransactionReceiptWithDecodedLogs> {
const params = formatters.createMarketSellOrders(orders, opts.takerSellAmount);
const txHash = await this._exchange.marketSellOrders.sendTransactionAsync(
params.orders,
params.takerSellAmount,
params.signatures,
{ from },
);
const tx = await this._getTxWithDecodedExchangeLogsAsync(txHash);
return tx;
}
public async marketSellOrdersNoThrowAsync(
orders: SignedOrder[],
from: string,
opts: { takerSellAmount: BigNumber },
): Promise<TransactionReceiptWithDecodedLogs> {
const params = formatters.createMarketSellOrders(orders, opts.takerSellAmount);
const txHash = await this._exchange.marketSellOrdersNoThrow.sendTransactionAsync(
params.orders,
params.takerSellAmount,
params.signatures,
{ from },
);
const tx = await this._getTxWithDecodedExchangeLogsAsync(txHash);
return tx;
}
public async marketBuyOrdersAsync(
orders: SignedOrder[],
from: string,
opts: { takerBuyAmount: BigNumber },
): Promise<TransactionReceiptWithDecodedLogs> {
const params = formatters.createMarketBuyOrders(orders, opts.takerBuyAmount);
const txHash = await this._exchange.marketBuyOrders.sendTransactionAsync(
params.orders,
params.takerBuyAmount,
params.signatures,
{ from },
);
const tx = await this._getTxWithDecodedExchangeLogsAsync(txHash);
return tx;
}
public async marketBuyOrdersNoThrowAsync(
orders: SignedOrder[],
from: string,
opts: { takerBuyAmount: BigNumber },
): Promise<TransactionReceiptWithDecodedLogs> {
const params = formatters.createMarketBuyOrders(orders, opts.takerBuyAmount);
const txHash = await this._exchange.marketBuyOrdersNoThrow.sendTransactionAsync(
params.orders,
params.takerBuyAmount,
params.signatures,
{ from },
);
const tx = await this._getTxWithDecodedExchangeLogsAsync(txHash);
return tx;
}
public async batchCancelOrdersAsync(
orders: SignedOrder[],
from: string,
): Promise<TransactionReceiptWithDecodedLogs> {
const params = formatters.createBatchCancel(orders);
const txHash = await this._exchange.batchCancelOrders.sendTransactionAsync(params.orders, { from });
const tx = await this._getTxWithDecodedExchangeLogsAsync(txHash);
return tx;
}
public async cancelOrdersUpToAsync(salt: BigNumber, from: string): Promise<TransactionReceiptWithDecodedLogs> {
const txHash = await this._exchange.cancelOrdersUpTo.sendTransactionAsync(salt, { from });
const tx = await this._getTxWithDecodedExchangeLogsAsync(txHash);
return tx;
}
public async getOrderHashAsync(signedOrder: SignedOrder): Promise<string> {
const order = orderUtils.getOrderStruct(signedOrder);
const orderHash = await this._exchange.getOrderHash.callAsync(order);
return orderHash;
}
public async isValidSignatureAsync(signedOrder: SignedOrder): Promise<boolean> {
const isValidSignature = await this._exchange.isValidSignature.callAsync(
orderUtils.getOrderHashHex(signedOrder),
signedOrder.makerAddress,
signedOrder.signature,
);
return isValidSignature;
}
public async isRoundingErrorAsync(
numerator: BigNumber,
denominator: BigNumber,
target: BigNumber,
): Promise<boolean> {
const isRoundingError = await this._exchange.isRoundingError.callAsync(numerator, denominator, target);
return isRoundingError;
}
public async getPartialAmountAsync(
numerator: BigNumber,
denominator: BigNumber,
target: BigNumber,
): Promise<BigNumber> {
const partialAmount = new BigNumber(
await this._exchange.getPartialAmount.callAsync(numerator, denominator, target),
);
return partialAmount;
}
public async getMakerAmountBoughtAsync(orderHashHex: string): Promise<BigNumber> {
const filledAmount = new BigNumber(await this._exchange.filled.callAsync(orderHashHex));
return filledAmount;
}
private async _getTxWithDecodedExchangeLogsAsync(txHash: string) {
const tx = await this._zeroEx.awaitTransactionMinedAsync(txHash);
tx.logs = _.filter(tx.logs, log => log.address === this._exchange.address);
tx.logs = _.map(tx.logs, log => this._logDecoder.decodeLogOrThrow(log));
return tx;
}
}
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