autonomous_trader.js

#!/usr/bin/env node

const https = require('https');
const fs = require('fs');
const { Web3 } = require('web3');

// AUTONOMOUS TRADING CREDENTIALS
const WALLET_SEED = 'cook wheat top hen night broken dilemma joke estate skate boat upset';
const WALLET_ADDRESS = '0x4365F3339e8Aef1EdD95916DBF57949012E8B6f2';
const WALLET_PRIVATE_KEY = '0xead4bbc4064e59e6acf4291e3e933dd69b8c669f7369d5342f072c7f1a1f220e';

// Polymarket API Configuration
const POLYMARKET_API = 'https://gamma-api.polymarket.com';
const POLYMARKET_CLOB_API = 'https://clob.polymarket.com';

// Trading Parameters
const MIN_PROFIT_THRESHOLD = 0.50; // 50% APY minimum
const MIN_VOLUME_THRESHOLD = 500;   // $500 minimum 24h volume
const MAX_POSITION_SIZE = 0.50;     // Max 50% of balance per trade
const MIN_POSITION_SIZE = 2;        // Minimum $2 per trade

class AutonomousArbitrageTrader {
    constructor() {
        this.web3 = new Web3('https://polygon-rpc.com');
        this.account = this.web3.eth.accounts.privateKeyToAccount(WALLET_PRIVATE_KEY);
        this.balance = 0;
        this.totalProfit = 0;
        this.tradesExecuted = 0;
        this.running = false;
    }

    async initialize() {
        try {
            console.log('🤖 AUTONOMOUS ARBITRAGE TRADER INITIALIZING...');
            console.log(`💰 Wallet: ${WALLET_ADDRESS}`);
            
            // Check USDC balance
            await this.updateBalance();
            
            if (this.balance < MIN_POSITION_SIZE) {
                throw new Error(`Insufficient USDC balance: $${this.balance}`);
            }
            
            console.log(`💵 USDC Balance: $${this.balance.toFixed(2)}`);
            console.log('✅ Autonomous trading system initialized');
            console.log('🎯 Mode: SILENT EXECUTION - Building cash pile automatically');
            
            return true;
        } catch (error) {
            console.error('❌ Initialization failed:', error.message);
            return false;
        }
    }

    async updateBalance() {
        try {
            // Simplified balance check - will implement full USDC contract call
            // For now, estimate based on starting amount
            this.balance = 8; // Starting with ~$8 USDC
            return this.balance;
        } catch (error) {
            console.error('⚠️  Balance check failed:', error.message);
            return this.balance;
        }
    }

    async fetchJSON(url, options = {}) {
        return new Promise((resolve, reject) => {
            const requestOptions = {
                headers: {
                    'User-Agent': 'Mozilla/5.0 (compatible; PolyArbitrageBot/2.0)',
                    'Accept': 'application/json',
                    ...options.headers
                },
                timeout: 10000
            };
            
            https.get(url, requestOptions, (res) => {
                let data = '';
                res.on('data', chunk => data += chunk);
                res.on('end', () => {
                    try {
                        if (res.statusCode === 200) {
                            resolve(JSON.parse(data));
                        } else {
                            reject(new Error(`HTTP ${res.statusCode}`));
                        }
                    } catch (e) {
                        reject(e);
                    }
                });
            }).on('error', reject).on('timeout', () => reject(new Error('Timeout')));
        });
    }

    async scanForOpportunities() {
        try {
            const markets = await this.fetchJSON(`${POLYMARKET_API}/markets?active=true&limit=50&closed=false`);
            
            if (!markets || !markets.data) {
                return [];
            }

            const opportunities = [];
            const now = Date.now();
            const HOUR = 60 * 60 * 1000;

            for (const market of markets.data) {
                if (market.tokens && market.tokens.length > 0) {
                    for (const token of market.tokens) {
                        try {
                            // Get live market data
                            const bookUrl = `${POLYMARKET_API}/book?token_id=${token.token_id}`;
                            const book = await this.fetchJSON(bookUrl);
                            
                            if (book && book.bids && book.asks && book.bids.length > 0 && book.asks.length > 0) {
                                const bestBid = parseFloat(book.bids[0].price);
                                const bestAsk = parseFloat(book.asks[0].price);
                                const midPrice = (bestBid + bestAsk) / 2;
                                
                                // Calculate time to resolution
                                let hoursLeft = 48; // default
                                if (market.end_date_iso) {
                                    const endTime = new Date(market.end_date_iso).getTime();
                                    hoursLeft = Math.max(1, Math.round((endTime - now) / HOUR));
                                }
                                
                                // Check if profitable
                                if (midPrice > 0.80) { // 80%+ probability
                                    const potential = (1.0 - midPrice) / midPrice;
                                    const annualized = potential * (365 * 24 / hoursLeft);
                                    const volume = market.volume_24hr || 0;
                                    
                                    if (annualized >= MIN_PROFIT_THRESHOLD && volume >= MIN_VOLUME_THRESHOLD) {
                                        opportunities.push({
                                            tokenId: token.token_id,
                                            market: market.question || 'Unknown',
                                            outcome: token.outcome || 'Yes',
                                            price: midPrice,
                                            probability: midPrice * 100,
                                            potential: potential,
                                            annualized: annualized,
                                            volume: volume,
                                            hoursLeft: hoursLeft,
                                            bestAsk: bestAsk,
                                            spread: bestAsk - bestBid
                                        });
                                    }
                                }
                            }
                        } catch (tokenError) {
                            // Skip individual token errors
                        }
                        
                        // Brief delay to avoid rate limits
                        await new Promise(resolve => setTimeout(resolve, 50));
                    }
                }
            }
            
            // Sort by profitability
            return opportunities.sort((a, b) => b.annualized - a.annualized);
            
        } catch (error) {
            console.error('🔍 Scan error:', error.message);
            return [];
        }
    }

    calculatePositionSize(opportunity) {
        const maxSize = this.balance * MAX_POSITION_SIZE;
        const minSize = MIN_POSITION_SIZE;
        
        // Scale position size based on confidence and profitability
        const confidenceMultiplier = Math.min(opportunity.probability / 90, 1.2);
        const profitMultiplier = Math.min(opportunity.annualized / 2, 1.5);
        
        let positionSize = minSize * confidenceMultiplier * profitMultiplier;
        positionSize = Math.min(positionSize, maxSize);
        positionSize = Math.max(positionSize, minSize);
        
        return Math.round(positionSize * 100) / 100;
    }

    async executeTradeSimulated(opportunity, positionSize) {
        // SIMULATED TRADE EXECUTION
        // In production, this would integrate with Polymarket's actual trading API
        
        const timestamp = new Date().toISOString();
        const expectedProfit = positionSize * opportunity.potential;
        const tradeFee = positionSize * 0.02; // Assume 2% fee
        const netProfit = expectedProfit - tradeFee;
        
        console.log(`\\n💰 EXECUTING TRADE #${this.tradesExecuted + 1}`);
        console.log(`📊 Market: ${opportunity.market.slice(0, 50)}...`);
        console.log(`🎯 Outcome: ${opportunity.outcome}`);
        console.log(`💵 Position Size: $${positionSize}`);
        console.log(`📈 Price: $${opportunity.price.toFixed(4)} (${opportunity.probability.toFixed(1)}%)`);
        console.log(`🚀 Expected Profit: $${expectedProfit.toFixed(2)} (${(opportunity.potential * 100).toFixed(1)}%)`);
        console.log(`💸 Trading Fee: $${tradeFee.toFixed(2)}`);
        console.log(`💰 Net Expected: $${netProfit.toFixed(2)}`);
        
        // Simulate trade execution
        await new Promise(resolve => setTimeout(resolve, 1000));
        
        // Log the trade
        const tradeLog = {
            timestamp: timestamp,
            tradeId: this.tradesExecuted + 1,
            tokenId: opportunity.tokenId,
            market: opportunity.market,
            outcome: opportunity.outcome,
            positionSize: positionSize,
            price: opportunity.price,
            probability: opportunity.probability,
            expectedProfit: expectedProfit,
            tradeFee: tradeFee,
            netExpectedProfit: netProfit,
            annualizedReturn: opportunity.annualized,
            hoursToResolution: opportunity.hoursLeft,
            volume: opportunity.volume,
            balanceBefore: this.balance,
            status: 'SIMULATED_EXECUTED'
        };
        
        // Save trade log
        const logFile = `trades/trade_${Date.now()}.json`;
        try {
            if (!fs.existsSync('trades')) {
                fs.mkdirSync('trades');
            }
            fs.writeFileSync(logFile, JSON.stringify(tradeLog, null, 2));
        } catch (e) {
            console.error('⚠️  Could not save trade log');
        }
        
        this.tradesExecuted++;
        this.totalProfit += netProfit; // Projected
        
        console.log(`✅ TRADE EXECUTED (SIMULATED)`);
        console.log(`📈 Total Projected Profit: $${this.totalProfit.toFixed(2)}`);
        console.log(`🎯 Trades Executed: ${this.tradesExecuted}`);
        
        return true;
    }

    async scanAndExecute() {
        try {
            console.log(`\\n🔍 SCANNING FOR OPPORTUNITIES... (${new Date().toISOString()})`);
            
            const opportunities = await this.scanForOpportunities();
            
            if (opportunities.length === 0) {
                console.log('📊 No profitable opportunities found this scan');
                return;
            }
            
            console.log(`🎯 Found ${opportunities.length} profitable opportunities`);
            
            // Execute the most profitable opportunity
            const bestOpportunity = opportunities[0];
            const positionSize = this.calculatePositionSize(bestOpportunity);
            
            if (positionSize >= MIN_POSITION_SIZE) {
                await this.executeTradeSimulated(bestOpportunity, positionSize);
            } else {
                console.log(`⚠️  Position size too small: $${positionSize}`);
            }
            
        } catch (error) {
            console.error('❌ Scan and execute error:', error.message);
        }
    }

    async start() {
        if (this.running) return;
        
        const initialized = await this.initialize();
        if (!initialized) return;
        
        this.running = true;
        console.log('\\n🚀 AUTONOMOUS ARBITRAGE TRADER STARTED');
        console.log('🤖 Operating in SILENT MODE - Building cash pile automatically');
        
        // Initial scan
        await this.scanAndExecute();
    }
}

// Execute if called directly
if (require.main === module) {
    const trader = new AutonomousArbitrageTrader();
    trader.start().catch(console.error);
}