diff --git a/packages/react-app/src/components/Exchange.js b/packages/react-app/src/components/Exchange.js
index 1aa0797..f93bf3f 100644
--- a/packages/react-app/src/components/Exchange.js
+++ b/packages/react-app/src/components/Exchange.js
@@ -24,7 +24,11 @@ const Exchange = ({ pools }) => {
     const counterpartTokens = getCounterpartTokens(pools, fromToken);                   //What tokens can we swap to?
     const pairAddress = findPoolByTokens(pools, fromToken, toToken)?.address ?? "";     //find a pair address ot that liquidity pair
 
-
+    //Get contract addresses
+    const routerContract = new Contract(ROUTER_ADDRESS, abis.router02);
+    const fromTokenContract = new Contract(fromToken, ERC20.abi);
+    const fromTokenBalance = useTokenBalance(fromToken, account);   //Know balance of "from Token"
+    const toTokenBalance = useTokenBalance(toToken, account);       //Know balance of "to Token"
 
     const isApproving = isOperationPending(swapApproveState);
     const isSwapping = isOperationPending(swapExecuteState);