fix: replace tom1687.no-ip.org with 192.168.1.176, add DateTimeEncoder for API datetime serialization

src/app/api/payment/verify/route.ts

@@ -17,7 +17,7 @@ import { NextRequest, NextResponse } from 'next/server';
 import { createPublicClient, http, type Address, type Hash, type Chain } from 'viem';
 import { IPFS_PORTAL_PAYMENT_ABI } from '@/lib/payment';
 
-const RPC_URL = process.env.ZKSYNC_RPC_URL || 'http://tom1687.no-ip.org:3050';
+const RPC_URL = process.env.ZKSYNC_RPC_URL || 'http://192.168.1.176:3050';
 const CONTRACT_ADDRESS = (process.env.PAYMENT_CONTRACT_ADDRESS || '0xCBc6b8aeea129c206F4836799621C833Bf8B9BDe') as Address;
 
 const zkSyncLocal: Chain = {

src/components/PaymentPanel.tsx

@@ -348,7 +348,7 @@ export default function PaymentPanel({
             <div className="flex items-center justify-between text-xs">
               <span className="text-surface-400">Tx</span>
               <a
-                href={`http://tom1687.no-ip.org:3050/tx/${txHash}`}
+                href={`http://192.168.1.176:3050/tx/${txHash}`}
                 target="_blank"
                 rel="noopener noreferrer"
                 className="flex items-center gap-1 text-brand-400 hover:text-brand-300 font-mono"

src/lib/payment/abi.ts

@@ -8,10 +8,10 @@ export const zkSyncLocal: Chain = {
   name: 'zkSync Local',
   nativeCurrency: { name: 'Ether', symbol: 'ETH', decimals: 18 },
   rpcUrls: {
-    default: { http: ['http://tom1687.no-ip.org:3050'] },
+    default: { http: ['http://192.168.1.176:3050'] },
   },
   blockExplorers: {
-    default: { name: 'Explorer', url: 'http://tom1687.no-ip.org:3050' },
+    default: { name: 'Explorer', url: 'http://192.168.1.176:3050' },
   },
 };
 

src/lib/wallet.ts

@@ -50,8 +50,8 @@ const ZKSYNC_LOCAL_CHAIN = {
   chainId: '0x10E', // 270
   chainName: 'zkSync Local',
   nativeCurrency: { name: 'Ether', symbol: 'ETH', decimals: 18 },
-  rpcUrls: ['http://tom1687.no-ip.org:3050'],
-  blockExplorerUrls: ['http://tom1687.no-ip.org:3050'],
+  rpcUrls: ['http://192.168.1.176:3050'],
+  blockExplorerUrls: ['http://192.168.1.176:3050'],
 };
 
 /* ── EIP-6963 event-based provider discovery ── */