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import { Order, 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.getOrderStruct(signedOrder),
takerAssetFillAmount: takerAssetFillAmount || signedOrder.takerAssetAmount,
signature: signedOrder.signature,
};
return fill;
},
createCancel(signedOrder: SignedOrder, takerAssetCancelAmount?: BigNumber): CancelOrder {
const cancel = {
order: orderUtils.getOrderStruct(signedOrder),
takerAssetCancelAmount: takerAssetCancelAmount || signedOrder.takerAssetAmount,
};
return cancel;
},
// TODO: This seems redundant... it currently returns a deep copy w/o signature.
// Question: Should we still have a separate OrderStruct type that simply doesn't
// include the exchangeAddress? Seems like we need to for batch ops...
getOrderStruct(signedOrder: SignedOrder): Order {
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,
exchangeAddress: signedOrder.exchangeAddress,
};
return orderStruct;
},
createMatchOrders(signedOrderLeft: SignedOrder, signedOrderRight: SignedOrder): MatchOrder {
const fill = {
left: orderUtils.getOrderStruct(signedOrderLeft),
right: orderUtils.getOrderStruct(signedOrderRight),
leftSignature: signedOrderLeft.signature,
rightSignature: signedOrderRight.signature,
};
return fill;
},
};
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