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import { schemas } from '@0xproject/json-schemas';
import { EIP712Schema, EIP712Types, EIP712Utils } from '@0xproject/order-utils';
import { Order, SignedOrder } from '@0xproject/types';
import { BigNumber } from '@0xproject/utils';
import _ = require('lodash');
import { ExchangeContract } from '../contract_wrappers/generated/exchange';
import { assert } from './assert';
const EIP712_ZEROEX_TRANSACTION_SCHEMA: EIP712Schema = {
name: 'ZeroExTransaction',
parameters: [
{ name: 'salt', type: EIP712Types.Uint256 },
{ name: 'signerAddress', type: EIP712Types.Address },
{ name: 'data', type: EIP712Types.Bytes },
],
};
export class ExecuteTransactionEncoder {
private _exchangeInstance: ExchangeContract;
constructor(exchangeInstance: ExchangeContract) {
this._exchangeInstance = exchangeInstance;
}
public getExecuteTransactionHex(data: string, salt: BigNumber, signerAddress: string): string {
const exchangeAddress = this._exchangeInstance.address;
const executeTransactionData = {
salt,
signerAddress,
data,
};
const executeTransactionHashBuff = EIP712Utils.structHash(
EIP712_ZEROEX_TRANSACTION_SCHEMA,
executeTransactionData,
);
const eip721MessageBuffer = EIP712Utils.createEIP712Message(executeTransactionHashBuff, exchangeAddress);
const messageHex = `0x${eip721MessageBuffer.toString('hex')}`;
return messageHex;
}
public fillOrder(signedOrder: SignedOrder, takerAssetFillAmount: BigNumber): string {
assert.doesConformToSchema('signedOrder', signedOrder, schemas.signedOrderSchema);
assert.isValidBaseUnitAmount('takerAssetFillAmount', takerAssetFillAmount);
const abiEncodedData = this._exchangeInstance.fillOrder.getABIEncodedTransactionData(
signedOrder,
takerAssetFillAmount,
signedOrder.signature,
);
return abiEncodedData;
}
public fillOrderNoThrow(signedOrder: SignedOrder, takerAssetFillAmount: BigNumber): string {
assert.doesConformToSchema('signedOrder', signedOrder, schemas.signedOrderSchema);
assert.isValidBaseUnitAmount('takerAssetFillAmount', takerAssetFillAmount);
const abiEncodedData = this._exchangeInstance.fillOrderNoThrow.getABIEncodedTransactionData(
signedOrder,
takerAssetFillAmount,
signedOrder.signature,
);
return abiEncodedData;
}
public fillOrKillOrder(signedOrder: SignedOrder, takerAssetFillAmount: BigNumber): string {
assert.doesConformToSchema('signedOrder', signedOrder, schemas.signedOrderSchema);
assert.isValidBaseUnitAmount('takerAssetFillAmount', takerAssetFillAmount);
const abiEncodedData = this._exchangeInstance.fillOrKillOrder.getABIEncodedTransactionData(
signedOrder,
takerAssetFillAmount,
signedOrder.signature,
);
return abiEncodedData;
}
public cancelOrdersUpTo(targetOrderEpoch: BigNumber): string {
assert.isBigNumber('targetOrderEpoch', targetOrderEpoch);
const abiEncodedData = this._exchangeInstance.cancelOrdersUpTo.getABIEncodedTransactionData(targetOrderEpoch);
return abiEncodedData;
}
public cancelOrder(order: Order | SignedOrder): string {
assert.doesConformToSchema('order', order, schemas.orderSchema);
const abiEncodedData = this._exchangeInstance.cancelOrder.getABIEncodedTransactionData(order);
return abiEncodedData;
}
public marketSellOrders(signedOrders: SignedOrder[], takerAssetFillAmount: BigNumber): string {
assert.doesConformToSchema('signedOrders', signedOrders, schemas.signedOrdersSchema);
assert.isBigNumber('takerAssetFillAmount', takerAssetFillAmount);
const signatures = _.map(signedOrders, signedOrder => signedOrder.signature);
const abiEncodedData = this._exchangeInstance.marketSellOrders.getABIEncodedTransactionData(
signedOrders,
takerAssetFillAmount,
signatures,
);
return abiEncodedData;
}
public marketSellOrdersNoThrow(signedOrders: SignedOrder[], takerAssetFillAmount: BigNumber): string {
assert.doesConformToSchema('signedOrders', signedOrders, schemas.signedOrdersSchema);
assert.isBigNumber('takerAssetFillAmount', takerAssetFillAmount);
const signatures = _.map(signedOrders, signedOrder => signedOrder.signature);
const abiEncodedData = this._exchangeInstance.marketSellOrdersNoThrow.getABIEncodedTransactionData(
signedOrders,
takerAssetFillAmount,
signatures,
);
return abiEncodedData;
}
public marketBuyOrders(signedOrders: SignedOrder[], makerAssetFillAmount: BigNumber): string {
assert.doesConformToSchema('signedOrders', signedOrders, schemas.signedOrdersSchema);
assert.isBigNumber('makerAssetFillAmount', makerAssetFillAmount);
const signatures = _.map(signedOrders, signedOrder => signedOrder.signature);
const abiEncodedData = this._exchangeInstance.marketBuyOrders.getABIEncodedTransactionData(
signedOrders,
makerAssetFillAmount,
signatures,
);
return abiEncodedData;
}
public marketBuyOrdersNoThrow(signedOrders: SignedOrder[], makerAssetFillAmount: BigNumber): string {
assert.doesConformToSchema('signedOrders', signedOrders, schemas.signedOrdersSchema);
assert.isBigNumber('makerAssetFillAmount', makerAssetFillAmount);
const signatures = _.map(signedOrders, signedOrder => signedOrder.signature);
const abiEncodedData = this._exchangeInstance.marketBuyOrdersNoThrow.getABIEncodedTransactionData(
signedOrders,
makerAssetFillAmount,
signatures,
);
return abiEncodedData;
}
}
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