new toy

split-proxy/config.js

@@ -0,0 +1,49 @@
+const dotenv = require('dotenv');
+const path = require('path');
+
+// Load environment variables from .env file
+dotenv.config({ path: path.join(__dirname, '.env') });
+
+const config = {
+  // RPC endpoints
+  primaryRpc: process.env.PRIMARY_RPC || 'http://localhost:8545',
+  secondaryRpc: process.env.SECONDARY_RPC || 'http://localhost:8546',
+  
+  // Role configuration
+  primaryRole: process.env.PRIMARY_ROLE || 'primary', // 'primary' or 'secondary'
+  
+  // Thresholds
+  latencyThresholdMs: parseInt(process.env.LATENCY_THRESHOLD_MS || '1000', 10),
+  sizeDiffThreshold: parseInt(process.env.SIZE_DIFF_THRESHOLD || '100', 10),
+  
+  // Logging
+  logMismatches: process.env.LOG_MISMATCHES !== 'false', // default true
+  
+  // Server
+  port: parseInt(process.env.PORT || '8545', 10),
+  
+  // Request timeout
+  requestTimeout: parseInt(process.env.REQUEST_TIMEOUT || '30000', 10),
+  
+  // DNS refresh interval in milliseconds
+  dnsRefreshInterval: parseInt(process.env.DNS_REFRESH_INTERVAL || '1000', 10),
+};
+
+// Validate configuration
+function validateConfig() {
+  if (!config.primaryRpc || !config.secondaryRpc) {
+    throw new Error('PRIMARY_RPC and SECONDARY_RPC must be configured');
+  }
+  
+  if (!['primary', 'secondary'].includes(config.primaryRole)) {
+    throw new Error('PRIMARY_ROLE must be either "primary" or "secondary"');
+  }
+  
+  if (config.primaryRpc === config.secondaryRpc) {
+    console.warn('WARNING: PRIMARY_RPC and SECONDARY_RPC are the same');
+  }
+}
+
+validateConfig();
+
+module.exports = config;