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import { Order, OrderWithoutExchangeAddress, SignedOrder } from '@0xproject/types';
import { BigNumber } from '@0xproject/utils';
import ethUtil = require('ethereumjs-util');
import { CancelOrder, MatchOrder } from './types';
export const orderUtils = {
createFill: (signedOrder: SignedOrder, takerAssetFillAmount?: BigNumber) => {
const fill = {
order: orderUtils.getOrderWithoutExchangeAddress(signedOrder),
takerAssetFillAmount: takerAssetFillAmount || signedOrder.takerAssetAmount,
signature: signedOrder.signature,
};
return fill;
},
createCancel(signedOrder: SignedOrder, takerAssetCancelAmount?: BigNumber): CancelOrder {
const cancel = {
order: orderUtils.getOrderWithoutExchangeAddress(signedOrder),
takerAssetCancelAmount: takerAssetCancelAmount || signedOrder.takerAssetAmount,
};
return cancel;
},
getOrderWithoutExchangeAddress(signedOrder: SignedOrder): OrderWithoutExchangeAddress {
const orderStruct = {
senderAddress: signedOrder.senderAddress,
makerAddress: signedOrder.makerAddress,
takerAddress: signedOrder.takerAddress,
feeRecipientAddress: signedOrder.feeRecipientAddress,
makerAssetAmount: signedOrder.makerAssetAmount,
takerAssetAmount: signedOrder.takerAssetAmount,
makerFee: signedOrder.makerFee,
takerFee: signedOrder.takerFee,
expirationTimeSeconds: signedOrder.expirationTimeSeconds,
salt: signedOrder.salt,
makerAssetData: signedOrder.makerAssetData,
takerAssetData: signedOrder.takerAssetData,
};
return orderStruct;
},
createMatchOrders(signedOrderLeft: SignedOrder, signedOrderRight: SignedOrder): MatchOrder {
const fill = {
left: orderUtils.getOrderWithoutExchangeAddress(signedOrderLeft),
right: orderUtils.getOrderWithoutExchangeAddress(signedOrderRight),
leftSignature: signedOrderLeft.signature,
rightSignature: signedOrderRight.signature,
};
return fill;
},
};
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