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/*
This file is part of GNU Taler
(C) 2019 GNUnet e.V.
GNU Taler is free software; you can redistribute it and/or modify it under the
terms of the GNU General Public License as published by the Free Software
Foundation; either version 3, or (at your option) any later version.
GNU Taler is distributed in the hope that it will be useful, but WITHOUT ANY
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
A PARTICULAR PURPOSE. See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License along with
GNU Taler; see the file COPYING. If not, see <http://www.gnu.org/licenses/>
*/
/**
* Helpers for talking to the GNU Taler merchant backend.
* Used mostly for integration tests.
*/
/**
* Imports.
*/
import axios from "axios";
import { CheckPaymentResponse } from "../talerTypes";
/**
* Connection to the *internal* merchant backend.
*/
export class MerchantBackendConnection {
async refund(
orderId: string,
reason: string,
refundAmount: string,
): Promise<void> {
const reqUrl = new URL("refund", this.merchantBaseUrl);
const refundReq = {
order_id: orderId,
reason,
refund: refundAmount,
};
const resp = await axios({
method: "post",
url: reqUrl.href,
data: refundReq,
responseType: "json",
headers: {
Authorization: `ApiKey ${this.apiKey}`,
},
});
if (resp.status != 200) {
throw Error("failed to do refund");
}
console.log("response", resp.data);
const refundUri = resp.data.taler_refund_uri;
if (!refundUri) {
throw Error("no refund URI in response");
}
return refundUri;
}
constructor(public merchantBaseUrl: string, public apiKey: string) {}
async authorizeTip(amount: string, justification: string) {
const reqUrl = new URL("tip-authorize", this.merchantBaseUrl).href;
const tipReq = {
amount,
justification,
};
const resp = await axios({
method: "post",
url: reqUrl,
data: tipReq,
responseType: "json",
headers: {
Authorization: `ApiKey ${this.apiKey}`,
},
});
const tipUri = resp.data.taler_tip_uri;
if (!tipUri) {
throw Error("response does not contain tip URI");
}
return tipUri;
}
async createOrder(
amount: string,
summary: string,
fulfillmentUrl: string,
): Promise<{ orderId: string }> {
const reqUrl = new URL("order", this.merchantBaseUrl).href;
const orderReq = {
order: {
amount,
summary,
fulfillment_url: fulfillmentUrl,
},
};
const resp = await axios({
method: "post",
url: reqUrl,
data: orderReq,
responseType: "json",
headers: {
Authorization: `ApiKey ${this.apiKey}`,
},
});
if (resp.status != 200) {
throw Error("failed to create bank reserve");
}
const orderId = resp.data.order_id;
if (!orderId) {
throw Error("no order id in response");
}
return { orderId };
}
async checkPayment(orderId: string): Promise<CheckPaymentResponse> {
const reqUrl = new URL("check-payment", this.merchantBaseUrl).href;
const resp = await axios({
method: "get",
url: reqUrl,
params: { order_id: orderId },
responseType: "json",
headers: {
Authorization: `ApiKey ${this.apiKey}`,
},
});
if (resp.status != 200) {
throw Error("failed to check payment");
}
return CheckPaymentResponse.checked(resp.data);
}
}
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