solace-bg-dubai/ENV_REVIEW.md

Environment Variables Review

Review Date

2025-12-21

Summary

All environment files have been created and reviewed. This document provides a comprehensive review of all .env and .env.example files.

---

✅ Frontend Environment Files

.env.production.example ✅

Status: Complete and correct

Variables:

• NEXT_PUBLIC_CHAIN138_RPC_URL - ✅ Correct (http://192.168.11.211:8545)
• NEXT_PUBLIC_CHAIN138_WS_URL - ✅ Correct (ws://192.168.11.211:8546)
• NEXT_PUBLIC_CHAIN_ID - ✅ Correct (138)
• NEXT_PUBLIC_TREASURY_WALLET_ADDRESS - ⚠️ Empty (needs contract deployment)
• NEXT_PUBLIC_SUB_ACCOUNT_FACTORY_ADDRESS - ⚠️ Empty (needs contract deployment)
• NEXT_PUBLIC_WALLETCONNECT_PROJECT_ID - ⚠️ Placeholder (needs actual project ID)
• NEXT_PUBLIC_API_URL - ✅ Correct (http://192.168.11.61:3001)

Issues:

• None - all placeholders are appropriate

.env.local.example ✅

Status: Complete and correct

Additional Variables:

• NEXT_PUBLIC_SEPOLIA_RPC_URL - ✅ For testing purposes
• NEXT_PUBLIC_API_URL - ✅ Points to localhost for development

Issues:

• None

.env.production (actual) ✅

Status: Complete, matches example

Notes:

• Same as example file
• Ready for contract addresses after deployment

---

✅ Backend Environment Files

.env.example ✅

Status: Complete and correct

Variables:

• DATABASE_URL - ✅ Correct format, placeholder password
• RPC_URL - ✅ Correct (http://192.168.11.211:8545)
• CHAIN_ID - ✅ Correct (138)
• CONTRACT_ADDRESS - ⚠️ Empty (needs contract deployment)
• PORT - ✅ Correct (3001)
• NODE_ENV - ✅ Correct (production)

Issues:

• None - all placeholders are appropriate

.env.indexer.example ✅

Status: Complete and correct

Variables:

• DATABASE_URL - ✅ Correct format, placeholder password
• RPC_URL - ✅ Correct (http://192.168.11.211:8545)
• CHAIN_ID - ✅ Correct (138)
• CONTRACT_ADDRESS - ⚠️ Empty (needs contract deployment)
• START_BLOCK - ✅ Correct (0)

Issues:

• None

.env (actual) ✅

Status: Complete with production values

Variables:

• DATABASE_URL - ✅ Contains actual password (SolaceTreasury2024!)
• All other variables match example

Security Note:

• ⚠️ Contains actual database password - ensure this file is gitignored

.env.indexer (actual) ✅

Status: Complete with production values

Variables:

• DATABASE_URL - ✅ Contains actual password (SolaceTreasury2024!)
• All other variables match example

Security Note:

• ⚠️ Contains actual database password - ensure this file is gitignored

---

✅ Contracts Environment Files

.env.example ✅

Status: Complete and correct

Variables:

• SEPOLIA_RPC_URL - ✅ Placeholder for Sepolia testnet
• MAINNET_RPC_URL - ✅ Placeholder for mainnet
• CHAIN138_RPC_URL - ✅ Correct (http://192.168.11.211:8545)
• PRIVATE_KEY - ⚠️ Zero address placeholder (needs actual key)
• ETHERSCAN_API_KEY - ⚠️ Placeholder (optional for Chain 138)

Issues:

• None - all placeholders are appropriate

.env (actual) ⚠️

Status: Contains sensitive data

Variables:

• CHAIN138_RPC_URL - ✅ Correct
• PRIVATE_KEY - ⚠️ CONTAINS ACTUAL PRIVATE KEY (5373d11ee2cad4ed82b9208526a8c358839cbfe325919fb250f062a25153d1c8)
• ETHERSCAN_API_KEY - ⚠️ Contains actual API key
• Additional Cloudflare, MetaMask, and other API keys present

Security Issues:

• 🔴 CRITICAL: Contains actual private key - must be gitignored
• 🔴 CRITICAL: Contains multiple API keys - must be gitignored
• ⚠️ This file should never be committed to version control

Recommendations:

1. Verify .gitignore includes contracts/.env
2. Consider rotating the private key if it was ever committed
3. Remove sensitive values from this file if sharing the repository

---

🔍 Missing Variables Check

Frontend

All required variables are present:

• ✅ Chain 138 RPC URLs
• ✅ Contract addresses (placeholders)
• ✅ WalletConnect project ID (placeholder)
• ✅ Backend API URL

Backend

All required variables are present:

• ✅ Database connection
• ✅ RPC URL
• ✅ Chain ID
• ✅ Contract address (placeholder)
• ✅ Port configuration

Contracts

All required variables are present:

• ✅ RPC URLs for all networks
• ✅ Private key (placeholder in example, actual in .env)
• ✅ Etherscan API key (optional)

---

🔒 Security Review

Files That Must Be Gitignored ✅

• frontend/.env.production - Contains no secrets (safe if committed)
• frontend/.env.local - May contain local overrides
• backend/.env - ⚠️ Contains database password
• backend/.env.indexer - ⚠️ Contains database password
• contracts/.env - 🔴 CRITICAL: Contains private key and API keys

Files Safe to Commit ✅

• All .env.example files
• All .env.*.example files
• frontend/.env.production (no secrets, but best practice to gitignore)

Recommendations

1. ✅ Verify .gitignore properly excludes all .env files
2. ⚠️ Rotate private key if contracts/.env was ever committed
3. ⚠️ Rotate API keys if they were exposed
4. ✅ Use environment variable management for production (e.g., Kubernetes secrets, AWS Secrets Manager)

---

📋 Required Actions

Immediate

1. ✅ Verify .gitignore excludes contracts/.env
2. ⚠️ Check git history for contracts/.env commits
3. ⚠️ If exposed, rotate private key and API keys

Before Deployment

1. ⚠️ Deploy contracts to Chain 138
2. ⚠️ Update CONTRACT_ADDRESS in all environment files
3. ⚠️ Update NEXT_PUBLIC_TREASURY_WALLET_ADDRESS in frontend
4. ⚠️ Update NEXT_PUBLIC_SUB_ACCOUNT_FACTORY_ADDRESS in frontend
5. ⚠️ Add WalletConnect project ID to frontend

Production Checklist

• All contract addresses filled in
• WalletConnect project ID configured
• Database passwords are strong and unique
• Private keys are from dedicated deployment accounts
• API keys are rotated and secured
• All .env files are gitignored
• Environment variables are set in deployment platform

---

✅ Overall Assessment

Status: ✅ GOOD with security considerations

Strengths:

• All required variables are present
• Example files are well-documented
• Chain 138 configuration is correct
• Database connection strings are properly formatted

Concerns:

• contracts/.env contains sensitive data (expected, but must be gitignored)
• Database password in actual .env files (expected for deployment)
• Contract addresses need to be filled after deployment

Action Items:

1. Verify gitignore configuration
2. Deploy contracts and update addresses
3. Configure WalletConnect project ID
4. Review security of sensitive values

---

📝 Notes

• All environment files follow consistent naming conventions
• Chain 138 RPC endpoints are correctly configured
• Database connection uses the deployed container IP
• Example files serve as good templates for new deployments