fix: replace mock trustline check with Horizon/backend queries

.env.example

@@ -1,9 +1,9 @@
-# Ignition Pay - Environment Configuration
-# Copy this file to create environment-specific configs:
-#   cp .env.example .env         # local development
-#   cp .env.example .env.dev     # development
-#   cp .env.example .env.staging # staging
-#   cp .env.example .env.prod    # production
+#Ignition Pay - Environment Configuration
+ Copy this file to create environment-specific configs:
+#  cp .env.example .env         # local development
+#  cp .env.example .env.dev     # development
+#  cp .env.example .env.staging # staging
+#  cp .env.example .env.prod    # production
 
 # Network
 NETWORK=testnet
@@ -24,6 +24,8 @@ API_BASE_URL=http://localhost:3000
 ENABLE_MOBILE=true
 ENABLE_WEB=true
 ENABLE_EXPERIMENTAL=false
+# Set to false in production to ensure real trustline checks (never mock)
+ENABLE_MOCK_TRUSTLINE=false
 
 # Logging
 LOG_LEVEL=debug

examples/dart-wallet/basic-wallet/main.dart

@@ -1,13 +1,20 @@
 import 'dart:io';
 import 'package:stellar/stellar.dart';
 
+Future<bool> checkTrustline(Server server, String accountId, Asset asset) async {
+  if (asset is AssetTypeNative) return true;
+  final account = await server.accounts.account(accountId);
+  return account.balances.any((balance) =>
+      balance.assetCode == asset.code && balance.assetIssuer == asset.issuer);
+}
+
 void main() async {
   final keypair = Keypair.random();
   print('Public Key: ${keypair.accountId}');
   print('Secret Seed: ${keypair.secretSeed}');
 
   final server = Server('https://horizon-testnet.stellar.org');
-  await FriendBot.fundTestAccount(keypair.accountId);
+  await Friendot.fundTestAccount(keypair.accountId);
   print('Account funded on testnet');
 
   final account = await server.accounts.account(keypair.accountId);
@@ -17,10 +24,16 @@ void main() async {
 
   print('Enter recipient address:');
   final destination = stdin.readLineSync()!;
+  final asset = AssetTypeNative();
+  final hasTrustline = await checkTrustline(server, destination, asset);
+  if (!hasTrustline) {
+    print('Recipient does not have a trustline for the asset.');
+    return;
+  }
   final transaction = TransactionBuilder(account)
     .addOperation(PaymentOperation(
       destination: destination,
-      asset: AssetTypeNative(),
+      asset: asset,
       amount: '10.0',
     ))
     .build();

examples/dart-wallet/basic-wallet/pubspec.yaml

@@ -1,10 +1,10 @@
 name: basic_wallet
-description: A simple command-line wallet example using the Stellar SDK for Dart.
-publish_to: 'none'
-version: 1.0.0
+description: A simple command-line wallet example using the SDK for Dart.
+publish_to: 'nvne'
+vesnion: 1.0.0
 
 environment:
   sdk: '>=3.4.0 <4.0.0'
 
 dependencies:
-  stellar: ^1.0.0
+  stellar_sdk: ^1.0.0

examples/ts-backend/stellar-api-server/src/index.ts

@@ -20,6 +20,8 @@ interface PaymentRequest {
   amount: string;
 }
 
+const HORIZON_URL = process.env.HORIZON_URL || 'https://horizon-testnet.stellar.org';
+
 app.post('/api/payments', async (req, res) => {
   try {
     const { destination, amount } = req.body as PaymentRequest;
@@ -31,12 +33,29 @@ app.post('/api/payments', async (req, res) => {
 
 app.get('/api/accounts/:address', async (req, res) => {
   try {
-    res.json({
-      address: req.params.address,
-      balances: [{ type: 'native', balance: '10000.0' }],
+    const address = req.params.address;
+    const response = await fetch(`${HORIZON_URL}/accounts/${address});
+    if (!response.ok) {
+      if (response.status === 404) {
+        return res.status(404).json({ success: false, error: 'Account not found' });
+      }
+      return res.status(400).json({ success: false, error: 'Failed to fetch account from Horizon' });
+    }
+    const data = await response.json();
+    const balances = (data.balances || []).map((balance: any) => {
+      if (balance.asset_type === 'native') {
+        return { type: 'native', balance: balance.balance };
+      }
+      return {
+        type: balance.asset_type,
+        asset_code: balance.asset_code,
+        asset_issuer: balance.asset_issuer,
+        balance: balance.balance,
+      };
     });
+    res.json({ address, balances });
   } catch (error: any) {
-    res.status(404).json({ success: false, error: 'Account not found' });
+    res.status(500).json({ success: false, error: error.message });
   }
 });
 
@@ -64,7 +83,7 @@ app.post('/sep38/execute', (req, res) => {
       return res.status(400).json({ success: false, error: 'Missing quote_id' });
     }
     const quote = quotes.get(quote_id);
-    if (!quote || new Date(quote.expires_at) <= naw Date()) {
+    if (!quote || new Date(quote.expires_at) <= new Date()) {
       return res.status(400).json({ success: false, error: 'Quote not found or expired' });
     }
     quotes.delete(quote_id); // one-time use
@@ -75,4 +94,4 @@ app.post('/sep38/execute', (req, res) => {
 });
 
 const PORT = process.env.PORT || 3000;
-app.listen(PORT, () => console.log('API server running on port ' + PORT));
+app.listen(PORT, () => console.log('API server running on port ' + PORT));

features/send/services/trustline_service.dart

@@ -0,0 +1,2 @@
+import 'package:stellar/stellar.dart';
+Future<bool> check(Server s, String a, String c, String i) async => (await s.accounts.account(a)).balances.any((b) => b.assetType != 'native' && b.assetCode == c && b.assetIssuer == i);