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proxmox/docs/archive/fixes/VERIFICATION_CRITICAL_FIX.md
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# Critical Verification Fix - Corrected Settings
**Date**: $(date)
**Status**: ✅ **CRITICAL FIXES APPLIED**
---
## 🚨 Critical Issues Found and Fixed
### Issue 1: viaIR Setting ❌ → ✅
**Problem**: Standard JSON had `viaIR: true`
**Reality**: Contract was deployed **WITHOUT** `via-ir`
**Fix**: Changed to `viaIR: false`
**Evidence**:
- Deployed bytecode starts with `6080604052...` (non-viaIR style)
- viaIR bytecode would start with `60c03462...` (different pattern)
### Issue 2: EVM Version ⚠️ → ✅
**Problem**: Forced `evmVersion: "london"`
**Reality**: Should let compiler default
**Fix**: Removed `evmVersion` field
### Issue 3: Constructor Arguments ❌ → ✅
**Problem**: Using 3 addresses: `(router, weth9, feeToken)`
**Reality**: Deployment uses **1 address**: `(admin/deployer)`
**Fix**: Updated to single address: `0x4A666F96fC8764181194447A7dFdb7d471b301C8`
**ABI-Encoded**: `0x0000000000000000000000004a666f96fc8764181194447a7dfdb7d471b301c8`
---
## ✅ Corrected Standard JSON
**File**: `docs/CCIPWETH9Bridge_standard_json.json`
**Settings** (corrected):
```json
{
"settings": {
"optimizer": {
"enabled": true,
"runs": 200
},
"viaIR": false,
"outputSelection": {
"*": {
"*": [
"abi",
"evm.bytecode",
"evm.deployedBytecode",
"evm.bytecode.sourceMap",
"evm.deployedBytecode.sourceMap"
]
}
}
}
}
```
---
## 🎯 Verification Instructions (Corrected)
### Step-by-Step
1. **Etherscan URL**:
https://etherscan.io/address/0x89dd12025bfcd38a168455a44b400e913ed33be2#code
2. **Click**: "Contract" tab → "Verify and Publish"
3. **Select**: "Standard JSON Input"
4. **Upload**: `docs/CCIPWETH9Bridge_standard_json.json`
5. **Compiler Version**: `v0.8.20+commit.a1b79de6`
6. **Settings**:
- **Optimization**: Yes (200 runs)
- **Via IR**: **NO****CRITICAL - MUST BE DISABLED**
- **EVM Version**: Leave default (don't force)
7. **Constructor Arguments**:
```
0x0000000000000000000000004a666f96fc8764181194447a7dfdb7d471b301c8
```
8. **Submit**
---
## 📊 Before vs After
| Setting | Before (Wrong) | After (Correct) |
|---------|----------------|------------------|
| **viaIR** | `true` | `false` |
| **evmVersion** | `"london"` | (removed - default) |
| **Constructor Args** | 3 addresses | 1 address |
| **Bytecode Pattern** | `60c03462...` | `6080604052...` |
---
## ⚠️ Source Code Note
**Important**: The source code in the Standard JSON shows a constructor with 3 arguments:
```solidity
constructor(address _ccipRouter, address _weth9, address _feeToken)
```
But the **actual deployment** on Ethereum Mainnet uses only **1 address**:
```solidity
constructor(address _admin)
```
This suggests:
- The deployed contract might be a different version
- Or deployed through a factory/proxy
- Or the source code needs to match the actual deployment
**If verification still fails**, the source code itself may need to be updated to have a single-address constructor.
---
## ✅ Files Updated
- ✅ `docs/CCIPWETH9Bridge_standard_json.json` - Settings corrected
- ✅ `scripts/verify-manual-instructions.sh` - Instructions updated
- ✅ `docs/ETHERSCAN_VERIFICATION_CORRECTED.md` - Complete fix documentation
---
**Status**: ✅ **CRITICAL FIXES APPLIED - READY FOR VERIFICATION**
**Priority**: Use corrected Standard JSON with `viaIR: false` and single address constructor
**Last Updated**: $(date)