smom-dbis-138/docs/deployment/LINK_TOKEN_STATUS_CHAIN138.md

# LINK Token Status on ChainID 138

**Date**: 2025-01-18  
**Status**: ⚠️ **LINK TOKEN NOT FOUND AT EXPECTED ADDRESS**

---

## Current Status

### ❌ LINK Token Contract Missing

**Expected Address**: `0x514910771AF9Ca656af840dff83E8264EcF986CA`  
**ChainID 138**: ❌ **No contract code at this address**

**Wallet Address**: `0x4A666F96fC8764181194447A7dFdb7d471b301C8`  
**LINK Balance**: Cannot check (contract doesn't exist)

### Impact

**CCIP Bridge Operations**:
- ⚠️ Bridge contracts may not be able to pay CCIP fees
- ⚠️ Cross-chain transfers may fail without LINK tokens
- ⚠️ Fee calculations will fail

---

## Required Actions

### Option 1: Deploy LINK Token (Recommended)

If ChainID 138 needs its own LINK token:

```bash
# Check for deployment scripts
find . -name "*deploy*link*" -type f

# Or use Foundry to deploy standard ERC20 LINK token
forge create LinkToken --rpc-url http://192.168.11.211:8545 --private-key $PRIVATE_KEY
```

**LINK Token Specification**:
- **Name**: "Chainlink Token"
- **Symbol**: "LINK"
- **Decimals**: 18
- **Standard**: ERC20

### Option 2: Find Existing LINK Token

Check if LINK exists at a different address:

```bash
# Check CCIP Router for fee token reference
cast call 0x42DAb7b888Dd382bD5Adcf9E038dBF1fD03b4817 "feeToken()" \
  --rpc-url http://192.168.11.211:8545

# Check bridge contracts for LINK token reference
cast call 0x3304b747E565a97ec8AC220b0B6A1f6ffDB837e6 "feeToken()" \
  --rpc-url http://192.168.11.211:8545
```

### Option 3: Bridge LINK from Mainnet

If LINK should come from Ethereum Mainnet:

1. Use CCIP to bridge LINK tokens from Mainnet
2. Or use alternative bridge mechanism
3. Receive LINK tokens on ChainID 138

### Option 4: Use Native ETH for Fees

If CCIP Router supports native ETH fees:

```bash
# Check if router supports native ETH (address(0) as fee token)
# Would need to update bridge fee token configuration
```

---

## Verification Commands

### Check if LINK Contract Exists

```bash
# Expected address
cast code 0x514910771AF9Ca656af840dff83E8264EcF986CA \
  --rpc-url http://192.168.11.211:8545

# If empty, contract doesn't exist
```

### Check Wallet Balance (After LINK Available)

```bash
./scripts/configuration/check-link-balance.sh
```

### Check CCIP Router Fee Token

```bash
cast call 0x42DAb7b888Dd382bD5Adcf9E038dBF1fD03b4817 \
  "feeToken()(address)" \
  --rpc-url http://192.168.11.211:8545
```

---

## Documentation References

From codebase investigation:
- `LINK_TOKEN_SEARCH_RESULTS.md`: No existing LINK token found
- `LINK_TOKEN_SETUP_COMPLETE.md`: Configuration complete but token not deployed
- `PREREQUISITES_COMPLETION_GUIDE.md`: LINK deployment required

---

## Summary

**Current State**:
- ❌ LINK token contract not deployed on ChainID 138
- ⚠️ Wallet balance cannot be checked
- ⚠️ CCIP fee payment will fail

**Required**:
1. Deploy LINK token contract, OR
2. Find existing LINK token at different address, OR
3. Bridge LINK from Mainnet, OR
4. Configure CCIP to use native ETH fees

**Next Action**: Determine LINK token deployment strategy for ChainID 138.

---

**Status**: ⚠️ **LINK TOKEN REQUIRED FOR CCIP OPERATIONS**