[Paywall] Support string price format when tokenAddress is not provided

Author: joaquim-verges

apps/playground-web/src/app/api/paywall/route.ts

@@ -41,7 +41,7 @@ export async function GET(request: NextRequest) {
 
   const amount = queryParams.get("amount") || "0.01";
   const payTo = queryParams.get("payTo") ?? undefined;
-  const tokenAddress = queryParams.get("tokenAddress") || token.address;
+  const tokenAddress = queryParams.get("tokenAddress");
   const decimals = queryParams.get("decimals") || token.decimals.toString();
   const waitUntil =
     (queryParams.get("waitUntil") as "simulated" | "submitted" | "confirmed") ||
@@ -53,13 +53,13 @@ export async function GET(request: NextRequest) {
     paymentData,
     network: defineChain(Number(chainId)),
     payTo,
-    price: {
+    price: tokenAddress ? {
       amount: toUnits(amount, parseInt(decimals)).toString(),
       asset: {
         address: tokenAddress as `0x${string}`,
         decimals: decimals ? parseInt(decimals) : token.decimals,
       },
-    },
+    } : amount,
     routeConfig: {
       description: "Access to paid content",
     },