fix: improve price fetching reliability in sync worker with Binance API and fallbacks

simulate_sync.js

@@ -0,0 +1,81 @@
+
+const { Client } = require('pg');
+const { Connection, PublicKey } = require('@solana/web3.js');
+const { CryptoEngine } = require('./lib/crypto-engine');
+
+async function simulateSync() {
+    const client = new Client({ connectionString: process.env.DATABASE_URL });
+    await client.connect();
+
+    const res = await client.query(`
+        SELECT * FROM transactions 
+        WHERE source_ref_id IN ('TEST_ORDER_999', 'TEST_ORDER_1000')
+    `);
+
+    console.log(`Simulating sync for ${res.rows.length} transactions...`);
+
+    for (const tx of res.rows) {
+        console.log(`\n>> Processing TX: ${tx.id} (${tx.source_ref_id}) | Current Status: ${tx.status}`);
+        const metadata = tx.metadata || {};
+        const wallets = metadata.wallets || {};
+        
+        console.log("Wallets in metadata:", Object.keys(wallets));
+
+        const scanningMatrix = [
+            { network: 'SOLANA', tokens: ['SOL', 'USDT', 'USDC'] },
+            { network: 'POLYGON', tokens: ['MATIC', 'USDT', 'USDC'] },
+            { network: 'TRON', tokens: ['TRX', 'USDT', 'USDC'] }
+        ];
+
+        for (const scan of scanningMatrix) {
+            const networkId = scan.network;
+            const walletConfig = wallets[networkId] || (networkId === 'POLYGON' ? wallets['EVM'] : null);
+            
+            if (!walletConfig) {
+                console.log(`[${networkId}] Skiped: No wallet config found.`);
+                continue;
+            }
+
+            console.log(`[${networkId}] Found wallet config. Address: ${typeof walletConfig === 'string' ? walletConfig : walletConfig.address}`);
+
+            const cryptoEngine = new CryptoEngine(networkId);
+
+            for (const tokenSymbol of scan.tokens) {
+                console.log(`  [${networkId}/${tokenSymbol}] Verifying...`);
+
+                let expectedCryptoAmount = tx.amount.toString();
+                try {
+                    const coinIdMap = {
+                        'SOL': 'solana', 'MATIC': 'matic-network', 'POLYGON': 'matic-network', 
+                        'USDC': 'usd-coin', 'USDT': 'tether', 'TRX': 'tron', 'BTC': 'bitcoin'
+                    };
+                    const coinId = coinIdMap[tokenSymbol] || 'solana';
+                    const priceUrl = `https://api.coingecko.com/api/v3/simple/price?ids=${coinId}&vs_currencies=usd,try`;
+                    const priceRes = await fetch(priceUrl);
+                    const priceData = await priceRes.json();
+                    const currencyKey = (tx.currency || 'TRY').toLowerCase();
+                    const priceInCurrency = priceData[coinId][currencyKey] || priceData[coinId]['usd'];
+
+                    if (priceInCurrency) {
+                        const rawExpected = parseFloat(tx.amount) / priceInCurrency;
+                        expectedCryptoAmount = (rawExpected * 0.98).toFixed(6);
+                        console.log(`    Expected Min: ${expectedCryptoAmount} ${tokenSymbol} (Price: ${priceInCurrency})`);
+                    }
+                } catch (e) { console.log("    Price fetch failed."); }
+
+                const depositAddress = typeof walletConfig === 'string' ? walletConfig : walletConfig.address;
+                const verification = await cryptoEngine.verifyPayment(depositAddress, expectedCryptoAmount, tokenSymbol);
+                
+                if (verification.success) {
+                    console.log(`    ✅ PAYMENT DETECTED!`);
+                } else {
+                    console.log(`    ❌ No payment found.`);
+                }
+            }
+        }
+    }
+
+    await client.end();
+}
+
+simulateSync();