From 3ecfaa3908381adc0df83197648aa4d285476cf7 Mon Sep 17 00:00:00 2001 From: Daniel Date: Sat, 5 Nov 2022 13:32:22 +0100 Subject: [PATCH] Update Exchange.js added const --- packages/react-app/src/components/Exchange.js | 4 ++++ 1 file changed, 4 insertions(+) diff --git a/packages/react-app/src/components/Exchange.js b/packages/react-app/src/components/Exchange.js index f93bf3f..bc514e3 100644 --- a/packages/react-app/src/components/Exchange.js +++ b/packages/react-app/src/components/Exchange.js @@ -29,6 +29,10 @@ const Exchange = ({ pools }) => { 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 tokenAllowance = useTokenAllowance(fromToken, account, ROUTER_ADDRESS) || parseUnits("0"); + const approvedNeeded = fromValueBigNumber.gt(tokenAllowance); //We need to approve to make the swap + const formValueIsGreaterThan0 = fromValueBigNumber.gt(parseUnits("0")); //has to be greater than 0 + const hasEnoughBalance = fromValueBigNumber.lte(fromTokenBalance ?? parseUnits("0")); //lte = lower than or equal to const isApproving = isOperationPending(swapApproveState); const isSwapping = isOperationPending(swapExecuteState);