fix: handle insufficient input amount error in v2 add liquidity (Unis…

…wap#1652)

* handle insufficient input amount error in mint/hooks

* use error.isInsufficientInputAmountError

* fixed typo

src/state/mint/hooks.ts

@@ -160,10 +160,16 @@ export function useDerivedMintInfo(
       wrappedCurrencyAmount(currencyBAmount, chainId),
     ]
     if (pair && totalSupply && tokenAmountA && tokenAmountB) {
-      return pair.getLiquidityMinted(totalSupply, tokenAmountA, tokenAmountB)
-    } else {
-      return undefined
+      try {
+        return pair.getLiquidityMinted(totalSupply, tokenAmountA, tokenAmountB)
+      } catch (error) {
+        if (error.InsufficientInputAmountError) {
+          return CurrencyAmount.fromRawAmount(pair.liquidityToken, ZERO)
+        }
+        return undefined
+      }
     }
+    return undefined
   }, [parsedAmounts, chainId, pair, totalSupply])
 
   const poolTokenPercentage = useMemo(() => {
@@ -197,6 +203,10 @@ export function useDerivedMintInfo(
     error = 'Insufficient ' + currencies[Field.CURRENCY_B]?.symbol + ' balance'
   }
 
+  if (!liquidityMinted?.greaterThan(ZERO)) {
+    error = `Insufficient input amount`
+  }
+
   return {
     dependentField,
     currencies,