@f5i23q999d/cow-sdk/dist/order-book/transformOrder.js

<p align="center"> <img width="400" src="https://github.com/cowprotocol/cow-sdk/raw/main/docs/images/CoW.png" /> </p>

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
exports.transformOrder = void 0;
const contracts_1 = require("../common/consts/contracts.js");
/**
 * Apply programmatic transformations to an order.
 *
 * For example, transformations may be applied to an order to recognise it as a Native EthFlow order.
 * @param order to apply transformations to
 * @returns An order with the total fee added.
 */
function transformOrder(order) {
    return transformEthFlowOrder(addTotalFeeToOrder(order));
}
exports.transformOrder = transformOrder;
/**
 * Add the total fee to the order.
 *
 * The total fee of the order will be represented by the `totalFee` field, which is the sum of `executedFee`
 * and `executedFeeAmount`.
 *
 * Note that either `executedFee` or `executedFeeAmount` may be `0`, or both might have a non `0` value.
 *
 * See https://cowservices.slack.com/archives/C036G0J90BU/p1705322037866779?thread_ts=1705083817.684659&cid=C036G0J90BU
 *
 * @param dto The order to add the total fee to.
 * @returns The order with the total fee added.
 */
function addTotalFeeToOrder(dto) {
    const { executedFeeAmount, executedFee } = dto;
    const _executedFeeAmount = BigInt(executedFeeAmount || '0');
    const _executedFee = BigInt(executedFee || '0');
    const totalFee = String(_executedFeeAmount + _executedFee);
    return {
        ...dto,
        totalFee,
    };
}
/**
 * Transform order field for Native EthFlow orders
 *
 * A no-op for regular orders
 * For Native EthFlow, due to how the contract is setup:
 * - sellToken set to Native token address
 * - owner set to `onchainUser`
 * - validTo set to `ethflowData.userValidTo`
 */
function transformEthFlowOrder(order) {
    const { ethflowData } = order;
    if (!ethflowData) {
        return order;
    }
    const { userValidTo: validTo } = ethflowData;
    const owner = order.onchainUser || order.owner;
    const sellToken = contracts_1.ETH_ADDRESS;
    return { ...order, validTo, owner, sellToken };
}
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