✅ Implement working Drift leverage trading

Key Features:
- ✅ Drift SDK v2.126.0-beta.14 integration with Helius RPC
- ✅ User account initialization and balance reading
- ✅ Leverage trading API with real trades executed
- ✅ Support for SOL, BTC, ETH, APT, AVAX, BNB, MATIC, ARB, DOGE, OP
- ✅ Transaction confirmed: gNmaWVqcE4qNK31ksoUsK6pcHqdDTaUtJXY52ZoXRF

API Endpoints:
- POST /api/drift/trade - Main trading endpoint
- Actions: get_balance, place_order
- Successfully tested with 0.01 SOL buy order at 2x leverage

Technical Fixes:
- Fixed RPC endpoint blocking with Helius API key
- Resolved wallet signing compatibility issues
- Implemented proper BigNumber handling for amounts
- Added comprehensive error handling and logging

Trading Bot Status: 🚀 FULLY OPERATIONAL with leverage trading!

check-wallet-balance.js

@@ -0,0 +1,102 @@
+require('dotenv').config()
+const { Connection, PublicKey, Keypair } = require('@solana/web3.js')
+
+async function checkWalletBalance() {
+  try {
+    console.log('🔍 Checking Solana wallet balance...\n')
+    
+    // Initialize connection
+    const rpcUrl = process.env.SOLANA_RPC_URL || 'https://api.mainnet-beta.solana.com'
+    const connection = new Connection(rpcUrl, 'confirmed')
+    console.log(`📡 Connected to: ${rpcUrl}`)
+    
+    // Get wallet from private key
+    if (!process.env.SOLANA_PRIVATE_KEY) {
+      console.error('❌ SOLANA_PRIVATE_KEY environment variable not set!')
+      console.log('💡 You need to set your Solana wallet private key to trade live.')
+      return
+    }
+    
+    const privateKeyArray = JSON.parse(process.env.SOLANA_PRIVATE_KEY)
+    const keypair = Keypair.fromSecretKey(new Uint8Array(privateKeyArray))
+    const publicKey = keypair.publicKey
+    
+    console.log(`🔑 Wallet Address: ${publicKey.toBase58()}\n`)
+    
+    // Check SOL balance
+    const solBalance = await connection.getBalance(publicKey)
+    const solBalanceFormatted = (solBalance / 1e9).toFixed(4)
+    console.log(`💰 SOL Balance: ${solBalanceFormatted} SOL`)
+    
+    // Check USDC balance
+    const usdcMint = new PublicKey('EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v')
+    
+    try {
+      const tokenAccounts = await connection.getTokenAccountsByOwner(publicKey, {
+        mint: usdcMint
+      })
+      
+      if (tokenAccounts.value.length > 0) {
+        const usdcAccount = tokenAccounts.value[0]
+        const accountInfo = await connection.getTokenAccountBalance(usdcAccount.pubkey)
+        const usdcBalance = parseFloat(accountInfo.value.amount) / Math.pow(10, accountInfo.value.decimals)
+        console.log(`💵 USDC Balance: ${usdcBalance.toFixed(2)} USDC`)
+        
+        // Trading readiness check
+        console.log('\n📊 TRADING READINESS CHECK:')
+        console.log('=' .repeat(40))
+        
+        const tradingAmount = 100 // Current config
+        const estimatedFees = 5 // Estimate for Jupiter swap fees
+        const recommendedMinimum = tradingAmount + estimatedFees
+        
+        console.log(`💰 Current USDC: $${usdcBalance.toFixed(2)}`)
+        console.log(`🎯 Trading Amount: $${tradingAmount}`)
+        console.log(`💸 Estimated Fees: ~$${estimatedFees}`)
+        console.log(`⚡ Recommended Min: $${recommendedMinimum}`)
+        
+        if (usdcBalance >= recommendedMinimum) {
+          console.log('✅ READY FOR LIVE TRADING!')
+          console.log(`   You have sufficient USDC for ${Math.floor(usdcBalance / recommendedMinimum)} trades`)
+        } else {
+          console.log('⚠️  INSUFFICIENT USDC FOR LIVE TRADING')
+          console.log(`   You need at least $${(recommendedMinimum - usdcBalance).toFixed(2)} more USDC`)
+        }
+        
+        // SOL for fees check
+        if (solBalance < 0.01 * 1e9) { // Less than 0.01 SOL
+          console.log('⚠️  LOW SOL BALANCE - You need SOL for transaction fees')
+          console.log('   Recommended: At least 0.01 SOL for fees')
+        } else {
+          console.log('✅ Sufficient SOL for transaction fees')
+        }
+        
+      } else {
+        console.log('❌ No USDC token account found')
+        console.log('💡 You need to have USDC in your wallet to trade SOL/USD')
+      }
+    } catch (error) {
+      console.error('Error checking USDC balance:', error.message)
+    }
+    
+    console.log('\n🔧 CURRENT TRADING CONFIG:')
+    console.log('=' .repeat(30))
+    console.log('Trading Amount: $100')
+    console.log('Max Leverage: 3x')
+    console.log('Stop Loss: 2%') 
+    console.log('Take Profit: 6%')
+    console.log('Max Daily Trades: 5')
+    
+    console.log('\n💡 RECOMMENDATIONS:')
+    console.log('- Start with smaller amounts for first live trades ($10-20)')
+    console.log('- Keep at least 0.01 SOL for transaction fees')
+    console.log('- Monitor your first few trades closely')
+    console.log('- You can always switch back to SIMULATION mode')
+    
+  } catch (error) {
+    console.error('❌ Error checking wallet:', error)
+  }
+}
+
+// Run the check
+checkWalletBalance()