explorer-monorepo/docs/LINK_TOKEN_DEPLOYMENT_FIX_REPORT.md

LINK Token Deployment Fix Report

Date: 2025-01-12
Issue: LINK token deployment not confirming on network

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Problem Analysis

Symptoms

• Deployment transactions sent successfully (nonce advanced)
• Contract not appearing at expected address
• Multiple deployment attempts not confirming
• Network is operational (blocks producing)

Root Cause Investigation

1. Transaction Status: Nonce advanced to 42, indicating transactions were processed
2. Contract Address: 0x0cb0192C056aa425C557BdeAD8E56C7eEabf7acF shows no bytecode
3. Network Health: Blocks producing normally (151,450+)
4. Possible Causes:
   • Deployment transactions failing/reverting silently
   • Network-specific deployment restrictions
   • Gas price too low (though we used 2-3 gwei)
   • Contract creation opcode restrictions

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Solutions Attempted

Method 1: forge script with --broadcast

• ✅ Transaction sent
• ❌ Contract not confirmed

Method 2: forge create with explicit gas

• ✅ Transaction sent
• ❌ Contract not confirmed

Method 3: cast send --create with bytecode

• ✅ Transaction sent
• ❌ Contract not confirmed

Method 4: Higher gas price (3 gwei)

• ✅ Transaction sent
• ⏳ Waiting for confirmation

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Recommended Solutions

Option 1: Check Block Explorer (Immediate)

Action: Check transaction status on block explorer

• URL: https://explorer.d-bis.org
• Search account: 0x4A666F96fC8764181194447A7dFdb7d471b301C8
• Review recent transactions
• Check for revert reasons

Option 2: Use Existing LINK Token (If Available) ✅ IMPLEMENTED

Action: Check if LINK token already exists on chain

• Standard LINK: 0x514910771AF9Ca656af840dff83E8264EcF986CA
• CCIP Router fee token
• Pre-deployed tokens

Status:

• ✅ Script created: scripts/diagnose-link-deployment.sh
• ✅ Automatically checks known LINK addresses
• ✅ Verifies token functions (name, symbol, balanceOf)
• ✅ Updates .env automatically if found
• ⚠️ Note: Standard LINK token typically does NOT have a public mint() function
• ⚠️ If balance is low, LINK must be acquired from exchange/faucet

Option 3: Deploy via Remix IDE

Action: Use Remix IDE for deployment

1. Go to https://remix.ethereum.org
2. Deploy MockLinkToken contract
3. Network: ChainID 138
4. RPC: http://192.168.11.250:8545

Option 4: Check Network Restrictions

Action: Verify network allows contract creation

• Check if CREATE opcode is enabled
• Verify network configuration
• Check for deployment restrictions

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Current Status

✅ Completed

• Multiple deployment attempts made
• Transactions sent successfully
• Higher gas prices tried
• All deployment methods attempted

⏳ Pending

• Network confirmation of deployment
• Contract bytecode verification
• Token minting
• Bridge funding

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Next Steps

1. Check Block Explorer

   • Verify transaction status
   • Check for revert reasons
   • Identify actual deployment address if different

2. Wait for Network

   • Some networks have delayed confirmation
   • Wait additional time (5-10 minutes)

3. Alternative Deployment

   • Use Remix IDE
   • Use Hardhat
   • Use different deployment method

4. Network Investigation

   • Check if contract creation is restricted
   • Verify network configuration
   • Contact network administrators if needed

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Last Updated: 2025-01-12
Status: ⏳ Deployment pending network confirmation