add new endpoint (#189)

Author: lendihop

.env.dist

@@ -12,3 +12,4 @@ ADMIN_USERNAME=
 ADMIN_PASSWORD=
 TEMPLE_TAP_API_URL=
 EVM_API_URL=
+WERT_API_KEY=

src/config.ts

@@ -14,7 +14,8 @@ export const EnvVars = {
   ADMIN_USERNAME: getEnv('ADMIN_USERNAME'),
   ADMIN_PASSWORD: getEnv('ADMIN_PASSWORD'),
   TEMPLE_TAP_API_URL: getEnv('TEMPLE_TAP_API_URL'),
-  EVM_API_URL: getEnv('EVM_API_URL')
+  EVM_API_URL: getEnv('EVM_API_URL'),
+  WERT_API_KEY: getEnv('WERT_API_KEY')
 };
 
 for (const name in EnvVars) {

src/index.ts

@@ -43,6 +43,7 @@ import logger from './utils/logger';
 import { getSignedMoonPayUrl } from './utils/moonpay/get-signed-moonpay-url';
 import SingleQueryDataProvider from './utils/SingleQueryDataProvider';
 import { getExchangeRates } from './utils/tokens';
+import { getWertSessionId } from './utils/wert';
 
 const PINO_LOGGER = {
   logger: logger.child({ name: 'web' }),
@@ -398,6 +399,20 @@ app.get('/api/signing-nonce', (req, res) => {
   }
 });
 
+app.get('/api/wert-session-id', async (_, res) => {
+  try {
+    res.status(200).send(await getWertSessionId());
+  } catch (error: any) {
+    console.error(error);
+
+    if (error instanceof CodedError) {
+      res.status(error.code).send(error.buildResponse());
+    } else {
+      res.status(500).send({ message: error?.message });
+    }
+  }
+});
+
 app.post('/api/temple-tap/confirm-airdrop-username', tezosSigAuthMiddleware, (req, res) =>
   handleTempleTapApiProxyRequest(req, res, 'v1/confirm-airdrop-address')
 );

src/utils/wert.ts

@@ -0,0 +1,23 @@
+import axios from 'axios';
+
+import { EnvVars } from '../config';
+
+interface SessionResponse {
+  sessionId: string;
+  requestId: string;
+}
+
+/** https://docs.wert.io/docs/fiat-onramp */
+export const getWertSessionId = () =>
+  axios
+    .post<SessionResponse>(
+      'https://partner.wert.io/api/external/hpp/create-session',
+      { flow_type: 'simple' },
+      {
+        headers: {
+          'X-Api-Key': EnvVars.WERT_API_KEY,
+          'Content-Type': 'application/json'
+        }
+      }
+    )
+    .then(res => res.data.sessionId);