2026-01-06 01:46:25 -08:00
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# Testnet Deployment Guide
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2026-02-12 15:46:57 -08:00
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**Last Updated:** 2026-01-31
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**Document Version:** 1.0
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**Status:** Active Documentation
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**Purpose:** Guide for deploying and testing on testnets.
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2026-01-06 01:46:25 -08:00
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---
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## 🧪 Testnet Options
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### Recommended Testnets
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1. **Sepolia** (Ethereum testnet)
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2. **Mumbai** (Polygon testnet)
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3. **BSC Testnet**
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4. **Avalanche Fuji**
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---
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## 📋 Testnet Deployment Steps
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### 1. Configure Testnet RPC
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Add testnet RPC URLs to `.env`:
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```bash
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SEPOLIA_RPC_URL=https://sepolia.infura.io/v3/YOUR_KEY
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MUMBAI_RPC_URL=https://polygon-mumbai.infura.io/v3/YOUR_KEY
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BSC_TESTNET_RPC_URL=https://data-seed-prebsc-1-s1.binance.org:8545
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```
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### 2. Deploy Contracts
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```bash
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# Deploy to Sepolia
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forge script script/DeployCCIPWETH9Bridge.s.sol:DeployCCIPWETH9Bridge \
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--rpc-url $SEPOLIA_RPC_URL \
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--broadcast \
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--verify
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```
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### 3. Configure Destinations
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```bash
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# Configure testnet destinations
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bash scripts/configure-bridge-destinations.sh --testnet
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```
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### 4. Test Transfers
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```bash
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# Test small transfer
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bash scripts/test-bridge-transfers.sh sepolia 0.01 weth9
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```
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---
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## ✅ Testnet Checklist
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- [ ] Deploy contracts to testnet
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- [ ] Configure destination chains
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- [ ] Test small transfers
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- [ ] Verify cross-chain messages
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- [ ] Test error scenarios
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- [ ] Monitor testnet activity
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---
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## 🔄 Testnet Maintenance
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### Regular Testing
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- Run test suite weekly
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- Test new features on testnet first
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- Monitor testnet for issues
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### Testnet Monitoring
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- Monitor testnet bridge activity
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- Track testnet gas prices
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- Review testnet transactions
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---
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**Last Updated**: $(date)
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