From 7c01bbc8b24215ece853ec5339f79eac17c8476b Mon Sep 17 00:00:00 2001
From: Jeffery Walsh <cyberhorsey@gmail.com>
Date: Fri, 24 Mar 2023 13:24:15 -0700
Subject: [PATCH] forgot to await promise fml, plus additional checks,
 btnDisabled was throwing error and broken

---
 .../src/components/form/BridgeForm.svelte       | 17 ++++++++++++-----
 1 file changed, 12 insertions(+), 5 deletions(-)

diff --git a/packages/bridge-ui/src/components/form/BridgeForm.svelte b/packages/bridge-ui/src/components/form/BridgeForm.svelte
index f3dfef08673..241d70b61b6 100644
--- a/packages/bridge-ui/src/components/form/BridgeForm.svelte
+++ b/packages/bridge-ui/src/components/form/BridgeForm.svelte
@@ -123,20 +123,24 @@
     return allowance;
   }
 
-  function isBtnDisabled(
+  async function isBtnDisabled(
     signer: Signer,
     amount: string,
     token: Token,
     tokenBalance: string,
     requiresAllowance: boolean,
     memoError: string,
+    fromChain: Chain,
   ) {
     if (!signer) return true;
     if (!tokenBalance) return true;
-
-    const chainId = $fromChain.id;
+    if (!fromChain) return true;
+    const chainId = fromChain.id;
 
     if (!chainId || !chains[chainId.toString()]) return true;
+
+    if (!(await isOnCorrectChain(signer, fromChain.id))) return true;
+
     if (!amount || ethers.utils.parseUnits(amount).eq(BigNumber.from(0)))
       return true;
     if (isNaN(parseFloat(amount))) return true;
@@ -373,14 +377,17 @@
 
   $: getUserBalance($signer, $token, $fromChain);
 
-  $: btnDisabled = isBtnDisabled(
+  $: isBtnDisabled(
     $signer,
     amount,
     $token,
     tokenBalance,
     requiresAllowance,
     memoError,
-  );
+    $fromChain,
+  )
+    .then((d) => (btnDisabled = d))
+    .catch((e) => console.error(e));
 
   $: checkAllowance(amount, $token, $bridgeType, $fromChain, $signer)
     .then((a) => (requiresAllowance = a))