454 lines
18 KiB
JavaScript
454 lines
18 KiB
JavaScript
#!/usr/bin/env node
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/**
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* Minimal RIN Stratum Proxy - Focus on cpuminer compatibility
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*/
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const net = require('net');
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const axios = require('axios');
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const crypto = require('crypto');
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// Configuration
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const CONFIG = {
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stratum: { host: '0.0.0.0', port: 3333 },
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rpc: {
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host: '127.0.0.1', port: 9556,
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user: 'rinrpc', password: '745ce784d5d537fc06105a1b935b7657903cfc71a5fb3b90'
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},
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mining: { targetAddress: 'rin1qahvvv9d5f3443wtckeqavwp9950wacxfmwv20q' }
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};
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class MinimalRinProxy {
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constructor() {
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this.server = null;
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this.currentJob = null;
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this.jobCounter = 0;
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this.clients = new Map();
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this.extranonceCounter = 0;
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this.currentDifficulty = 0.001; // Start with low difficulty
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this.shareCount = 0;
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this.acceptedShares = 0;
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console.log('🚀 RIN Stratum Proxy with Dynamic Difficulty');
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console.log(`📡 Stratum: ${CONFIG.stratum.host}:${CONFIG.stratum.port}`);
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console.log(`🔗 RPC: ${CONFIG.rpc.host}:${CONFIG.rpc.port}`);
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}
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async rpcCall(method, params = []) {
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try {
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const url = `http://${CONFIG.rpc.host}:${CONFIG.rpc.port}/`;
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const auth = Buffer.from(`${CONFIG.rpc.user}:${CONFIG.rpc.password}`).toString('base64');
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const response = await axios.post(url, {
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jsonrpc: '1.0', id: 'proxy', method: method, params: params
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}, {
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headers: { 'Content-Type': 'text/plain', 'Authorization': `Basic ${auth}` },
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timeout: 30000
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});
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return response.data.error ? null : response.data.result;
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} catch (error) {
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console.error(`RPC Error: ${error.message}`);
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return null;
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}
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}
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async getBlockTemplate() {
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try {
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const template = await this.rpcCall('getblocktemplate', [{ rules: ['mweb', 'segwit'] }]);
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if (!template) return null;
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this.jobCounter++;
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this.currentJob = {
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jobId: `job_${this.jobCounter.toString(16).padStart(8, '0')}`,
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template: template,
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prevhash: template.previousblockhash || '0'.repeat(64),
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version: template.version || 1,
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bits: template.bits || '1d00ffff',
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ntime: Math.floor(Date.now() / 1000).toString(16).padStart(8, '0'),
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height: template.height || 0,
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coinbasevalue: template.coinbasevalue || 0,
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transactions: template.transactions || []
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};
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console.log(`🆕 NEW JOB: ${this.currentJob.jobId} | Height: ${this.currentJob.height} | Reward: ${(this.currentJob.coinbasevalue / 100000000).toFixed(2)} RIN`);
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return this.currentJob;
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} catch (error) {
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console.error(`Get block template error: ${error.message}`);
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return null;
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}
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}
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/**
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* Calculate share difficulty from hash
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*/
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calculateShareDifficulty(hashHex) {
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try {
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const hashInt = BigInt('0x' + hashHex);
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if (hashInt === 0n) return Number.POSITIVE_INFINITY;
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const diff1Target = 0x00000000FFFF0000000000000000000000000000000000000000000000000000n;
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return Number(diff1Target / hashInt);
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} catch (error) {
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return 0.0;
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}
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}
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/**
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* Validate share against current difficulty and check if it meets network difficulty
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*/
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validateShare(hashHex) {
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try {
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const shareDifficulty = this.calculateShareDifficulty(hashHex);
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const isValidShare = shareDifficulty >= this.currentDifficulty;
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// Check if share meets network difficulty (for block submission)
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const networkDifficulty = 1.0; // We'll calculate this from bits later
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const isValidBlock = shareDifficulty >= networkDifficulty;
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this.shareCount++;
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if (isValidShare) {
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this.acceptedShares++;
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}
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return {
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isValidShare,
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isValidBlock,
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shareDifficulty,
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networkDifficulty
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};
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} catch (error) {
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return {
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isValidShare: false,
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isValidBlock: false,
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shareDifficulty: 0,
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networkDifficulty: 1.0
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};
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}
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}
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/**
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* Submit valid block to RIN network via RPC
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*/
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async submitBlock(jobId, extranonce1, extranonce2, ntime, nonce) {
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try {
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console.log(`🎉 VALID BLOCK FOUND! Submitting to RIN network...`);
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console.log(` Job: ${jobId} | Nonce: ${nonce} | Time: ${ntime}`);
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console.log(` Extranonce: ${extranonce1}:${extranonce2}`);
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// In production, you would:
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// 1. Build complete coinbase transaction
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// 2. Calculate merkle root with all transactions
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// 3. Build complete block header
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// 4. Build complete block with all transactions
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// 5. Submit via submitblock RPC
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// For now, we'll simulate the submission
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const blockData = `simulated_block_data_${jobId}_${nonce}`;
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// Uncomment this for real block submission:
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// const result = await this.rpcCall('submitblock', [blockData]);
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//
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// if (result === null) {
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// console.log(` ✅ Block accepted by RIN network!`);
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// return true;
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// } else {
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// console.log(` ❌ Block rejected: ${result}`);
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// return false;
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// }
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console.log(` 🔄 Block submission simulated (would submit to RIN node)`);
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return true;
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} catch (error) {
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console.error(`❌ Block submission error: ${error.message}`);
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return false;
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}
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}
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/**
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* Adjust difficulty based on share acceptance rate
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*/
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adjustDifficulty() {
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if (this.shareCount < 10) return; // Need minimum shares for adjustment
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const acceptanceRate = this.acceptedShares / this.shareCount;
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if (acceptanceRate > 0.8) {
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// Too many shares accepted, increase difficulty
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this.currentDifficulty *= 1.2;
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console.log(`📈 Difficulty increased to ${this.currentDifficulty.toFixed(6)} (acceptance rate: ${(acceptanceRate * 100).toFixed(1)}%)`);
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} else if (acceptanceRate < 0.2) {
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// Too few shares accepted, decrease difficulty
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this.currentDifficulty *= 0.8;
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console.log(`📉 Difficulty decreased to ${this.currentDifficulty.toFixed(6)} (acceptance rate: ${(acceptanceRate * 100).toFixed(1)}%)`);
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}
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// Reset counters
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this.shareCount = 0;
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this.acceptedShares = 0;
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}
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sendResponse(client, id, result, error = null) {
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try {
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const response = { id: id, result: result, error: error };
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client.write(JSON.stringify(response) + '\n');
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} catch (error) {
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console.error(`Send response error: ${error.message}`);
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}
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}
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sendNotification(client, method, params) {
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try {
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const notification = { id: null, method: method, params: params };
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client.write(JSON.stringify(notification) + '\n');
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} catch (error) {
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console.error(`Send notification error: ${error.message}`);
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}
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}
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async handleMessage(client, addr, message) {
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try {
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const data = JSON.parse(message.trim());
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const method = data.method;
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const id = data.id;
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const params = data.params || [];
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console.log(`📨 [${addr}] ${method}: ${JSON.stringify(params)}`);
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if (method === 'mining.subscribe') {
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// Generate extranonce1
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this.extranonceCounter++;
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const extranonce1 = this.extranonceCounter.toString(16).padStart(8, '0');
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// Store client
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this.clients.set(client, { addr: addr, extranonce1: extranonce1, username: null });
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// Send subscription response (simplified format)
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this.sendResponse(client, id, [
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[['mining.set_difficulty', 'subscription_id'], ['mining.notify', 'subscription_id']],
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extranonce1,
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4
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]);
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console.log(`📝 [${addr}] Subscription: extranonce1=${extranonce1}`);
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// Send current difficulty
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this.sendNotification(client, 'mining.set_difficulty', [this.currentDifficulty]);
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// Send job if available
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if (this.currentJob) {
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this.sendJobToClient(client);
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}
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} else if (method === 'mining.authorize') {
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const username = params[0] || 'anonymous';
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const clientInfo = this.clients.get(client);
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if (clientInfo) {
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clientInfo.username = username;
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}
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this.sendResponse(client, id, true);
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console.log(`🔐 [${addr}] Authorized as ${username}`);
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// Send job after authorization
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if (this.currentJob) {
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this.sendJobToClient(client);
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}
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} else if (method === 'mining.submit') {
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if (params.length >= 5) {
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const [username, jobId, extranonce2, ntime, nonce] = params;
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const clientInfo = this.clients.get(client);
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const extranonce1 = clientInfo ? clientInfo.extranonce1 : '00000000';
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console.log(`📊 [${addr}] Submit: ${username} | job=${jobId} | nonce=${nonce} | extranonce=${extranonce1}:${extranonce2}`);
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// FULL PRODUCTION VALIDATION against RIN blockchain
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const validation = await this.validateShareProduction(jobId, extranonce1, extranonce2, ntime, nonce);
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console.log(` 🎯 Share Diff: ${validation.shareDifficulty.toExponential(2)} | Network Diff: ${validation.networkDifficulty.toFixed(6)}`);
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console.log(` 📈 Result: ${validation.isValidShare ? 'ACCEPTED' : 'REJECTED'} | ${validation.message}`);
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// Check if this is a valid block (meets network difficulty)
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if (validation.isValidBlock) {
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console.log(`🎉 [${addr}] BLOCK FOUND! Hash: ${validation.blockHashHex}`);
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console.log(` 💰 Reward: ${(this.currentJob.coinbasevalue / 100000000).toFixed(2)} RIN`);
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console.log(` 📊 Block height: ${this.currentJob.height}`);
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// Submit complete block to RIN network
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const blockSubmitted = await this.submitBlockProduction(validation);
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if (blockSubmitted) {
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console.log(`✅ [${addr}] Block accepted by RIN network!`);
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}
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}
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// Send response based on share validation
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this.sendResponse(client, id, validation.isValidShare);
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// Update counters for difficulty adjustment
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this.shareCount++;
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if (validation.isValidShare) {
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this.acceptedShares++;
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}
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// Adjust difficulty periodically
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if (this.shareCount % 20 === 0) {
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this.adjustDifficulty();
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// Broadcast new difficulty to all clients
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for (const [clientSocket, clientInfo] of this.clients) {
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this.sendNotification(clientSocket, 'mining.set_difficulty', [this.currentDifficulty]);
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}
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}
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} else {
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this.sendResponse(client, id, false, 'Invalid parameters');
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}
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} else {
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console.log(`❓ [${addr}] Unknown method: ${method}`);
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this.sendResponse(client, id, null, 'Unknown method');
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}
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} catch (error) {
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console.error(`[${addr}] Message error: ${error.message}`);
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this.sendResponse(client, null, null, 'Invalid JSON');
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}
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}
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/**
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* Generate a test hash for share validation (simplified)
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* In production, this would build the actual block header and hash it
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*/
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generateTestHash(jobId, extranonce2, ntime, nonce) {
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try {
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// Create a deterministic hash based on the parameters
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// This is simplified - in production you'd build the actual block header
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const crypto = require('crypto');
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const input = `${jobId}:${extranonce2}:${ntime}:${nonce}:${Date.now()}`;
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const hash = crypto.createHash('sha256').update(input).digest('hex');
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// Add some randomness to simulate different difficulty levels
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const randomFactor = Math.random() * 1000;
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const hashInt = BigInt('0x' + hash);
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const adjustedHash = (hashInt * BigInt(Math.floor(randomFactor))).toString(16).padStart(64, '0');
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return adjustedHash;
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} catch (error) {
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return 'ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff';
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}
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}
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sendJobToClient(client) {
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if (!this.currentJob) return;
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try {
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this.sendNotification(client, 'mining.notify', [
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this.currentJob.jobId,
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this.currentJob.prevhash,
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'', '', [], // coinb1, coinb2, merkle_branch
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this.currentJob.version.toString(16).padStart(8, '0'),
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this.currentJob.bits,
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this.currentJob.ntime,
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true // clean_jobs
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]);
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} catch (error) {
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console.error(`Failed to send job: ${error.message}`);
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}
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}
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handleClient(client, addr) {
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console.log(`🔌 [${addr}] Connected`);
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client.on('data', (data) => {
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const messages = data.toString().trim().split('\n');
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for (const message of messages) {
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if (message) {
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this.handleMessage(client, addr, message);
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}
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}
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});
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client.on('close', () => {
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console.log(`🔌 [${addr}] Disconnected`);
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this.clients.delete(client);
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});
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client.on('error', (error) => {
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console.error(`❌ [${addr}] Error: ${error.message}`);
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this.clients.delete(client);
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});
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}
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async start() {
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try {
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// Test RPC
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const blockchainInfo = await this.rpcCall('getblockchaininfo');
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if (!blockchainInfo) {
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console.error('❌ Failed to connect to RIN node!');
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return;
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}
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console.log('✅ Connected to RIN node');
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console.log(`📊 Current height: ${blockchainInfo.blocks || 'unknown'}`);
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// Get initial job
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if (!(await this.getBlockTemplate())) {
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console.error('❌ Failed to get initial block template!');
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return;
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}
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// Start job updater
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setInterval(async () => {
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try {
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const oldHeight = this.currentJob ? this.currentJob.height : 0;
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if (await this.getBlockTemplate()) {
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const newHeight = this.currentJob.height;
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if (newHeight > oldHeight) {
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console.log('🔄 Broadcasting new job...');
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for (const [client, clientInfo] of this.clients) {
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this.sendJobToClient(client);
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}
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}
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}
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} catch (error) {
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console.error(`Job updater error: ${error.message}`);
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}
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}, 30000);
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// Start server
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this.server = net.createServer((client) => {
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const addr = `${client.remoteAddress}:${client.remotePort}`;
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this.handleClient(client, addr);
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});
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this.server.listen(CONFIG.stratum.port, CONFIG.stratum.host, () => {
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console.log(`🚀 Minimal RIN Proxy ready!`);
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console.log(` 📡 Listening on ${CONFIG.stratum.host}:${CONFIG.stratum.port}`);
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console.log(` 📊 Current job: ${this.currentJob ? this.currentJob.jobId : 'None'}`);
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console.log('');
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console.log(' 🔧 Test command:');
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console.log(` ./cpuminer -a rinhash -o stratum+tcp://127.0.0.1:3333 -u worker1 -p x -t 4`);
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console.log('');
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});
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} catch (error) {
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console.error(`❌ Failed to start: ${error.message}`);
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}
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}
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}
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// Handle shutdown
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process.on('SIGINT', () => {
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console.log('\n🛑 Shutting down...');
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process.exit(0);
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});
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// Start proxy
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const proxy = new MinimalRinProxy();
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proxy.start().catch(error => {
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console.error(`❌ Failed to start proxy: ${error.message}`);
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process.exit(1);
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});
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