# Contract Review Summary - MainnetTether & TransactionMirror

**Date**: 2025-12-11
**Status**: ✅ **REVIEW COMPLETE**

---

## ✅ Review Results

### MainnetTether.sol
- ✅ **No Errors Found**
- ✅ **No Omissions Identified**
- ✅ **Compiles Successfully**
- ✅ **Ready for Deployment**

### TransactionMirror.sol
- ✅ **Issues Fixed**:
  - Added `MAX_BATCH_SIZE = 100` constant
  - Added empty batch validation
  - Fixed stack too deep error (compile with `--via-ir` flag)
- ✅ **Compiles Successfully** (with `--via-ir` flag)
- ✅ **Ready for Deployment**

### Deployment Scripts
- ✅ **DeployMainnetTether.s.sol**: Ready
- ✅ **DeployTransactionMirror.s.sol**: Ready

---

## 🔧 Key Fixes Applied

1. **MAX_BATCH_SIZE Limit**: Prevents gas limit issues
2. **Empty Batch Validation**: Prevents wasteful calls
3. **Stack Too Deep Fix**: Use `--via-ir` flag for compilation

---

## 🚀 Deployment Command

### MainnetTether
```bash
forge script script/DeployMainnetTether.s.sol \
  --rpc-url $ETH_MAINNET_RPC_URL \
  --private-key $PRIVATE_KEY \
  --broadcast \
  --verify
```

### TransactionMirror
```bash
# Note: Use --via-ir flag if stack too deep error occurs
forge script script/DeployTransactionMirror.s.sol \
  --rpc-url $ETH_MAINNET_RPC_URL \
  --private-key $PRIVATE_KEY \
  --broadcast \
  --verify \
  --via-ir
```

---

## ⚠️ Important Notes

1. **Stack Too Deep**: TransactionMirror batch function may require `--via-ir` flag
2. **Admin Addresses**: Use multisig wallets (recommended)
3. **Environment Variables**: Set `TETHER_ADMIN` and `MIRROR_ADMIN` before deployment

---

**Status**: ✅ **APPROVED FOR DEPLOYMENT**

