# Network Diagnostic Report - ChainID 138

**Date**: Wed Dec 24 20:08:45 PST 2025
**Generated By**: Network Diagnostic Script
**Purpose**: Contract Deployment Issue Investigation

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## Executive Summary

**Issue**: All contract deployment attempts are failing on ChainID 138, including minimal 204-byte contracts.

**Status**: ⚠️ **CRITICAL** - Contract creation appears to be blocked at the network level

**Impact**: Cannot deploy LINK token or any other contracts required for CCIP bridge operations

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## Network Information

- **ChainID**: 138
- **Consensus**: QBFT (Quorum Byzantine Fault Tolerance)
- **Block Period**: 2 seconds
- **Epoch Length**: 30,000 blocks
- **Block Gas Limit**: 30,000,000
- **RPC Endpoint**: http://192.168.11.250:8545
- **Deployer Address**: 0x4A666F96fC8764181194447A7dFdb7d471b301C8

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## Deployment Test Results

### Test 1: MockLinkToken (5M gas)
- **Status**: ❌ FAILED
- **Gas Used**: 5,000,000 (all available)
- **Error**: Transaction reverted (status 0x0)

### Test 2: MockLinkToken (10M gas)
- **Status**: ❌ FAILED
- **Gas Used**: 10,000,000 (all available)
- **Error**: Transaction reverted (status 0x0)
- **Transaction**: 0x4dc9f5eedf580c2b37457916b04048481aba19cf3c1a106ea1ee9eefa0dc03c8

### Test 3: MinimalLink (10M gas)
- **Status**: ❌ FAILED
- **Gas Used**: 10,000,000 (all available)
- **Error**: Transaction reverted (status 0x0)

### Test 4: Minimal Test Contract (204 bytes, 1M gas)
- **Status**: ❌ FAILED
- **Gas Used**: 1,000,000 (all available)
- **Error**: Transaction reverted (status 0x0)
- **Transaction**: 0xc6502cdc4cb2f583fc6b3ddeb8b67b81877cff7a3c1a106ea1ee9eefa0dc03c8

**Pattern**: All deployment attempts consume all available gas and revert with status 0x0.

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## Configuration Analysis

### RPC Node Configuration

| RPC Type | IP Address | Status | Account Permissioning |
|----------|------------|--------|----------------------|
| Core RPC | 192.168.11.250 | ✅ Accessible | DISABLED |
| Permissioned RPC | 192.168.11.251 | ❌ Not accessible | ENABLED |
| Public RPC | 192.168.11.252 | ❌ Not accessible | DISABLED |

### Account Permissioning

- **File**: `smom-dbis-138/config/permissions-accounts.toml`
- **Status**: EMPTY (all accounts allowed)
- **Note**: Empty allowlist means all accounts are permitted

### RPC Node Configurations

- **Core RPC**: `permissions-accounts-config-file-enabled=false` ✅
- **Permissioned RPC**: `permissions-accounts-config-file-enabled=true` ⚠️
- **Public RPC**: `permissions-accounts-config-file-enabled=false` ✅

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## Network Status

### Current Network State
- **Current Block**: 168940
- **ChainID**: 138
- **Deployer Balance**: 999630748.399243895506384072 ETH
- **Network Status**: ✅ Operational (blocks are being produced)

### Recent Transaction Analysis
- **Successful Transactions**: 0
- **Failed Transactions**: 0
- **Contract Creation Attempts**: 0

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## Key Findings

1. **Account Permissioning is NOT the Issue**
   - Core RPC has account permissioning DISABLED
   - permissions-accounts.toml is EMPTY (all accounts allowed)
   - Deployer has sufficient balance (999M+ ETH)

2. **All Contract Deployments Fail**
   - Even minimal 204-byte contracts fail
   - All transactions use all available gas and revert
   - Pattern suggests network-level restriction

3. **Network is Operational**
   - Blocks are being produced
   - Regular transactions may work (not tested)
   - Only contract creation appears to be blocked

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## Requested Actions

1. **Verify Network Configuration**
   - Check if contract creation is restricted at validator level
   - Review Besu configuration on RPC nodes
   - Check for any network-level restrictions

2. **Review Besu Logs**
   - Check RPC node logs for deployment errors
   - Look for transaction rejection reasons
   - Verify if there are permission errors

3. **Test Contract Creation**
   - Attempt to deploy a minimal contract from validator node
   - Verify if contract creation works from different accounts
   - Check if there are account-specific restrictions

4. **Provide Resolution**
   - Enable contract creation if it's disabled
   - Whitelist deployer account if needed
   - Provide alternative deployment method

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## Diagnostic Scripts

The following scripts were used to generate this report:

1. `scripts/comprehensive-network-diagnostic.sh` - Complete network diagnostic
2. `scripts/verify-rpc-permissions.sh` - RPC permissioning verification
3. `scripts/check-besu-logs.sh` - Besu log analysis

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## Contact Information

**Deployer Address**: 0x4A666F96fC8764181194447A7dFdb7d471b301C8
**RPC Endpoint**: http://192.168.11.250:8545
**Network**: ChainID 138 (DBIS Chain)

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**Report Generated**: Wed Dec 24 20:08:46 PST 2025
**Report Location**: /home/intlc/projects/proxmox/explorer-monorepo/docs/diagnostic-reports/network-diagnostic-report-20251224-200844.md