TW-1096: Backward compatibility of Alice Bob endpoints

src/index.ts

@@ -22,6 +22,7 @@
 import { createAliceBobOrder } from './utils/alice-bob/create-alice-bob-order';
 import { estimateAliceBobOutput } from './utils/alice-bob/estimate-alice-bob-output';
 import { getAliceBobOrderInfo } from './utils/alice-bob/get-alice-bob-order-info';
+import { getAliceBobPairInfo } from './utils/alice-bob/get-alice-bob-pair-info';
 import { getAliceBobPairsInfo } from './utils/alice-bob/get-alice-bob-pairs-info';
 import { coinGeckoTokens } from './utils/gecko-tokens';
 import { getExternalApiErrorPayload, isDefined, isNonEmptyString } from './utils/helpers';
@@ -149,7 +150,7 @@
     await redisClient.lpush('notifications', JSON.stringify(newNotification));
 
     res.status(200).send({ message: 'Notification added successfully' });
   } catch (error: any) {
     res.status(500).send({ error: error.message });
   }
 });
@@ -205,12 +206,13 @@
 });
 
 app.post('/api/alice-bob/create-order', async (_req, res) => {
-  const { amount, from, to, userId, walletAddress, cardNumber } = _req.query;
+  const { isWithdraw, amount, from, to, userId, walletAddress, cardNumber } = _req.query;
+  const booleanIsWithdraw = isWithdraw === 'true';
 
   try {
     const exchangeInfo = {
-      from: String(from),
-      to: String(to),
+      from: isDefined(isWithdraw) ? (booleanIsWithdraw ? 'TEZ' : 'CARDUAH') : String(from),
+      to: isDefined(isWithdraw) ? (booleanIsWithdraw ? 'CARDUAH' : 'TEZ') : String(to),
       fromAmount: Number(amount),
       userId: String(userId),
       toPaymentDetails: isDefined(cardNumber) ? String(cardNumber) : String(walletAddress),
@@ -239,6 +241,19 @@
   }
 });
 
+app.get('/api/alice-bob/get-pair-info', async (_req, res) => {
+  const { isWithdraw } = _req.query;
+
+  try {
+    const pairInfo = await getAliceBobPairInfo(isWithdraw === 'true');
+
+    res.status(200).send({ pairInfo });
+  } catch (error) {
+    const { status, data } = getExternalApiErrorPayload(error);
+    res.status(status).send(data);
+  }
+});
+
 app.get('/api/alice-bob/get-pairs-info', async (_req, res) => {
   const { isWithdraw } = _req.query;
 
@@ -266,14 +281,16 @@
 });
 
 app.post('/api/alice-bob/estimate-amount', async (_req, res) => {
-  const { amount, from, to } = _req.query;
+  const { isWithdraw, amount, from, to } = _req.query;
+  const booleanIsWithdraw = isWithdraw === 'true';
 
   try {
     const exchangeInfo = {
-      from: String(from),
-      to: String(to),
+      from: isDefined(isWithdraw) ? (booleanIsWithdraw ? 'TEZ' : 'CARDUAH') : String(from),
+      to: isDefined(isWithdraw) ? (booleanIsWithdraw ? 'CARDUAH' : 'TEZ') : String(to),
       fromAmount: Number(amount)
     };
+
     const outputAmount = await estimateAliceBobOutput(exchangeInfo);
 
     res.status(200).send({ outputAmount });

src/utils/alice-bob/get-alice-bob-pair-info.ts

@@ -0,0 +1,15 @@
+import { aliceBobApi } from '../api.sevice';
+import { getAliceBobRequestHeaders } from './get-alice-bob-request-headers';
+import { getAliceBobSignature } from './get-alice-bob-signature';
+
+export const getAliceBobPairInfo = async (isWithdraw = false) => {
+  const pair = isWithdraw ? 'TEZ/CARDUAH' : 'CARDUAH/TEZ';
+
+  const { signature, now } = getAliceBobSignature();
+
+  const { data } = await aliceBobApi.get<{ minamount: number; maxamount: number }>('/get-pair-info/' + pair, {
+    headers: getAliceBobRequestHeaders(signature, now)
+  });
+
+  return { minAmount: data.minamount, maxAmount: data.maxamount };
+};