fix(admin): resolve incorrect crypto balance calculation fallback displaying fiat amount

testE2E_Solana.js

@@ -0,0 +1,39 @@
+// testE2E_Solana.js
+import { Client } from 'pg';
+import fetch from 'node-fetch';
+
+async function testE2E() {
+    const client = new Client({ connectionString: process.env.DATABASE_URL });
+    await client.connect();
+    
+    // 1. Get Merchant
+    let res = await client.query('SELECT * FROM merchants LIMIT 1');
+    let merchantId = res.rows[0]?.id;
+
+    // 2. Create Transaction
+    const createRes = await fetch('http://localhost:3000/api/create-payment-intent', {
+        method: 'POST',
+        headers: {'Content-Type': 'application/json'},
+        body: JSON.stringify({ amount: 5, currency: 'TRY', merchant_id: merchantId })
+    });
+    const createData = await createRes.json();
+    console.log("Create Data ID:", createData.id);
+
+    const txId = createData.id;
+    const solAddress = createData.wallets.SOLANA;
+    console.log("Deposit Address:", solAddress);
+
+    // 3. Let's see how much it expects
+    // Assuming 5 TRY is ~0.001 SOL
+    console.log("Sending sweep request with NO FUNDS FIRST...");
+    const sweepRes = await fetch('http://localhost:3000/api/crypto-sweep', {
+        method: 'POST',
+        headers: {'Content-Type': 'application/json'},
+        body: JSON.stringify({ txId, network: 'SOLANA', token: 'SOL' })
+    });
+    const sweepData = await sweepRes.json();
+    console.log("Sweep Data:", sweepData);
+
+    await client.end();
+}
+testE2E().catch(console.error);