# Chainlist PR Template - ChainID 138

**Last Updated:** 2026-01-31  
**Document Version:** 1.0  
**Status:** Active Documentation

---

**Title**: `Add DBIS Chain (ChainID 138)`

**Description**:

```markdown
## Summary

Adds DBIS Chain (ChainID 138) to Chainlist for automatic network discovery in MetaMask and other wallets.

## Chain Details

- **Name**: DBIS Chain
- **ChainID**: 138
- **Network ID**: 138
- **Native Currency**: ETH
- **RPC Endpoints**: 
  - Public: `https://rpc-http-pub.d-bis.org`
  - Permissioned: `https://rpc-http-prv.d-bis.org`
- **Block Explorer**: Blockscout at `https://explorer.d-bis.org`
- **Info URL**: `https://d-bis.org`

## Verification

- ✅ All required fields present
- ✅ Schema validated
- ✅ RPC endpoints accessible
- ✅ Explorer URL working
- ✅ Native currency configuration correct

## Related Links

- Network Info: https://d-bis.org
- Explorer: https://explorer.d-bis.org
- RPC Docs: https://d-bis.org/docs

## Checklist

- [x] Chain ID is unique (138 not in use)
- [x] All required fields present
- [x] RPC endpoints accessible
- [x] Explorer URL working
- [x] Configuration validated
```

---

## PR Creation Steps

1. **Fork Chainlist Repository**:
   ```bash
   # Visit: https://github.com/ethereum-lists/chains
   # Click "Fork" button
   ```

2. **Clone Your Fork**:
   ```bash
   git clone https://github.com/YOUR_USERNAME/chains.git
   cd chains
   ```

3. **Create Branch**:
   ```bash
   git checkout -b add-dbis-chain-138
   ```

4. **Add Chain Configuration**:
   ```bash
   # Copy chain-138.json to appropriate location
   cp /path/to/token-lists/chainlists/chain-138.json _data/chains/eip155-138.json
   ```

5. **Commit Changes**:
   ```bash
   git add _data/chains/eip155-138.json
   git commit -m "Add DBIS Chain (ChainID 138)"
   ```

6. **Push to Fork**:
   ```bash
   git push origin add-dbis-chain-138
   ```

7. **Create Pull Request**:
   - Visit: https://github.com/ethereum-lists/chains/pulls
   - Click "New Pull Request"
   - Select your fork and branch
   - Use title and description from template above
   - Submit PR

---

## File Location in Chainlist Repository

**File**: `_data/chains/eip155-138.json`

**Format**: Chainlist uses `eip155-{chainId}.json` format

---

## Validation Before Submission

Run validation (if available in Chainlist repo):

```bash
cd chains
npm install
npm run validate
```

Or check manually:
- ✅ All required fields present
- ✅ Chain ID unique
- ✅ RPC URLs accessible
- ✅ Explorer URL working
- ✅ JSON valid

---

**Last Updated**: 2026-01-18