Update x402 default payment validity window

Allows for systems with retries to process at their own pace, and guards against slightly descynced block.timestamp

Author: 0xFirekeeper

packages/thirdweb/src/x402/common.ts

@@ -107,7 +107,7 @@ export async function decodePaymentRequest(
     description: description ?? "",
     mimeType: mimeType ?? "application/json",
     payTo: getAddress(facilitator.address), // always pay to the facilitator address first
-    maxTimeoutSeconds: maxTimeoutSeconds ?? 300,
+    maxTimeoutSeconds: maxTimeoutSeconds ?? 86400,
     asset: getAddress(asset.address),
     outputSchema: {
       input: {

packages/thirdweb/src/x402/sign.ts

@@ -32,7 +32,7 @@ function preparePaymentHeader(
   nonce: Hex,
 ): UnsignedPaymentPayload {
   const validAfter = BigInt(
-    Math.floor(Date.now() / 1000) - 600, // 10 minutes before
+    Math.floor(Date.now() / 1000) - 86400, // 24h before in case weird block timestamp behavior
   ).toString();
   const validBefore = BigInt(
     Math.floor(Date.now() / 1000 + paymentRequirements.maxTimeoutSeconds),