From 281537976814b5aaeea1ea7df3b1a93908a6fe3f Mon Sep 17 00:00:00 2001
From: Pham Tu <tubackkhoa@gmail.com>
Date: Mon, 27 Feb 2023 16:06:46 +0700
Subject: [PATCH] fix checking allowance

---
 src/pages/Pools/LiquidityModal/LiquidityModal.tsx | 4 ++--
 src/rest/api.ts                                   | 9 +++++----
 2 files changed, 7 insertions(+), 6 deletions(-)

diff --git a/src/pages/Pools/LiquidityModal/LiquidityModal.tsx b/src/pages/Pools/LiquidityModal/LiquidityModal.tsx
index 52c88943d..b96fda9d3 100644
--- a/src/pages/Pools/LiquidityModal/LiquidityModal.tsx
+++ b/src/pages/Pools/LiquidityModal/LiquidityModal.tsx
@@ -211,7 +211,7 @@ const LiquidityModal: FC<ModalProps> = ({
     displayToast(TToastType.TX_BROADCASTING);
 
     try {
-      if (!!token1AllowanceToPair && +token1AllowanceToPair < amount1) {
+      if (!!token1AllowanceToPair && token1AllowanceToPair < BigInt(amount1)) {
         await increaseAllowance(
           '9'.repeat(30),
           token1InfoData!.contractAddress!,
@@ -219,7 +219,7 @@ const LiquidityModal: FC<ModalProps> = ({
         );
         refetchToken1Allowance();
       }
-      if (!!token2AllowanceToPair && +token2AllowanceToPair < amount2) {
+      if (!!token2AllowanceToPair && token2AllowanceToPair < BigInt(amount2)) {
         await increaseAllowance(
           '9'.repeat(30),
           token2InfoData!.contractAddress!,
diff --git a/src/rest/api.ts b/src/rest/api.ts
index fb718b93c..0b6aa915e 100644
--- a/src/rest/api.ts
+++ b/src/rest/api.ts
@@ -183,14 +183,15 @@ async function fetchTokenAllowance(
   tokenAddr: string,
   walletAddr: string,
   spender: string
-) {
-  // hard code with token orai
-  // if (!tokenAddr) return '999999999999999999999999999999';
+): Promise<bigint> {
+  // hard code with native token
+  if (!tokenAddr) return BigInt('999999999999999999999999999999');
+
   const data = await Contract.token(tokenAddr).allowance({
     owner: walletAddr,
     spender
   });
-  return data.allowance;
+  return BigInt(data.allowance);
 }
 
 async function fetchRewardInfo(