added working logic on swap and error handling

src/components/swap-form.tsx

@@ -36,7 +36,7 @@ export function SwapForm() {
   const { tokenDetails, loading } = useTokenDetails(address);
 
   // Get available tokens for the selected "from" token
-  const { availableTokens } = useGetPoolsByToken(selectedFromToken?.address);
+  const { availableTokens, error: poolsError } = useGetPoolsByToken(selectedFromToken?.address);
 
   // Only calculate swap amounts when both tokens are selected
   // Use useMemo to prevent creating a new array reference on every render
@@ -326,7 +326,7 @@ export function SwapForm() {
                       ))
                   ) : selectedFromToken ? (
                     <div className="px-4 py-3 text-sm text-muted-foreground">
-                      {loading ? 'Loading available tokens...' : 'No tokens available for swap'}
+                      {loading ? 'Loading available tokens...' : poolsError || 'No tokens available for swap'}
                     </div>
                   ) : (
                     <div className="px-4 py-3 text-sm text-muted-foreground">
@@ -339,6 +339,13 @@ export function SwapForm() {
           </div>
         </div>
 
+        {/* Error message for unsupported tokens */}
+        {poolsError && selectedFromToken && (
+          <div className="px-4 py-3 bg-destructive/10 border border-destructive/20 rounded-lg">
+            <p className="text-sm text-destructive">{poolsError}</p>
+          </div>
+        )}
+
         {/* Gas Estimate, Slippage, and Fees */}
         {isConnected && fromAmount && toAmount && (
           <div className="px-4 py-2 bg-muted/30 rounded-lg space-y-2">
@@ -377,7 +384,7 @@ export function SwapForm() {
         <Button
           className="w-full h-14 text-lg"
           onClick={() => setIsReviewModalOpen(true)}
-          disabled={!isConnected || !fromAmount || !toAmount}
+          disabled={!isConnected || !fromAmount || !toAmount || !!poolsError}
         >
           {!isConnected
             ? t('swap.connectWalletToSwap')