From 9b6ea6b1ccb7368fb132f5d0d9337feef758b7d1 Mon Sep 17 00:00:00 2001
From: Bob van der Helm <34470358+bobthebuidlr@users.noreply.github.com>
Date: Mon, 21 Aug 2023 08:02:44 -0300
Subject: [PATCH] [bugfix] add try catch for health calls (#382)

---
 src/hooks/useHealthComputer.tsx | 28 +++++++++++++++++++++-------
 1 file changed, 21 insertions(+), 7 deletions(-)

diff --git a/src/hooks/useHealthComputer.tsx b/src/hooks/useHealthComputer.tsx
index efcdf6f1..86114a22 100644
--- a/src/hooks/useHealthComputer.tsx
+++ b/src/hooks/useHealthComputer.tsx
@@ -134,15 +134,24 @@ export default function useHealthComputer(account?: Account) {
 
   useEffect(() => {
     if (!healthComputer) return
-    setHealthFactor(Number(compute_health_js(healthComputer).max_ltv_health_factor) || 10)
+    try {
+      setHealthFactor(Number(compute_health_js(healthComputer).max_ltv_health_factor) || 10)
+    } catch (err) {
+      console.error(err)
+    }
   }, [healthComputer])
 
   const computeMaxBorrowAmount = useCallback(
     (denom: string, target: BorrowTarget) => {
       if (!healthComputer) return BN_ZERO
-      return BN(max_borrow_estimate_js(healthComputer, denom, target))
-        .times(1 - HEALTH_BUFFER)
-        .integerValue()
+      try {
+        return BN(max_borrow_estimate_js(healthComputer, denom, target))
+          .times(1 - HEALTH_BUFFER)
+          .integerValue()
+      } catch (err) {
+        console.error(err)
+        return BN_ZERO
+      }
     },
     [healthComputer],
   )
@@ -150,9 +159,14 @@ export default function useHealthComputer(account?: Account) {
   const computeMaxWithdrawAmount = useCallback(
     (denom: string) => {
       if (!healthComputer) return BN_ZERO
-      return BN(max_withdraw_estimate_js(healthComputer, denom))
-        .times(1 - HEALTH_BUFFER)
-        .integerValue()
+      try {
+        return BN(max_withdraw_estimate_js(healthComputer, denom))
+          .times(1 - HEALTH_BUFFER)
+          .integerValue()
+      } catch (err) {
+        console.error(err)
+        return BN_ZERO
+      }
     },
     [healthComputer],
   )