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

Contract Ownership Verification Report

Date: 2025-12-11 Deployer Address: 0x4A666F96fC8764181194447A7dFdb7d471b301C8

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📊 Ownership Summary

Contracts with Ownership/Admin

Contract Type	Ownership Model	Function
CCIPWETH9Bridge	Admin	admin()
CCIPWETH10Bridge	Admin	admin()
WETH9	None	N/A (standard ERC20)
WETH10	None	N/A (standard ERC20)

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✅ Ownership Verification Results

BSC (Chain ID: 56)

Contract	Address	Ownership Status
WETH9	0x99b3511a2d315a497c8112c1fdd8d508d4b1e506	ℹ️ No ownership (standard ERC20)
WETH10	0x3304b747e565a97ec8ac220b0b6a1f6ffdb837e6	ℹ️ No ownership (standard ERC20)
CCIPWETH9Bridge	0x8078a09637e47fa5ed34f626046ea2094a5cde5e	✅ Admin: Deployer
CCIPWETH10Bridge	0x105f8a15b819948a89153505762444ee9f324684	✅ Admin: Deployer

Polygon (Chain ID: 137)

Contract	Address	Ownership Status
WETH9	0xe0e93247376aa097db308b92e6ba36ba015535d0	ℹ️ No ownership (standard ERC20)
WETH10	0xab57bf30f1354ca0590af22d8974c7f24db2dbd7	ℹ️ No ownership (standard ERC20)
CCIPWETH9Bridge	0xa780ef19a041745d353c9432f2a7f5a241335ffe	✅ Admin: Deployer
CCIPWETH10Bridge	0xdab0591e5e89295ffad75a71dcfc30c5625c4fa2	✅ Admin: Deployer

Avalanche (Chain ID: 43114)

Contract	Address	Ownership Status
WETH9	0x99b3511a2d315a497c8112c1fdd8d508d4b1e506	ℹ️ No ownership (standard ERC20)
WETH10	0x3304b747e565a97ec8ac220b0b6a1f6ffdb837e6	ℹ️ No ownership (standard ERC20)
CCIPWETH9Bridge	0x8078a09637e47fa5ed34f626046ea2094a5cde5e	✅ Admin: Deployer
CCIPWETH10Bridge	0x105f8a15b819948a89153505762444ee9f324684	✅ Admin: Deployer

Base (Chain ID: 8453)

Contract	Address	Ownership Status
WETH9	0x99b3511a2d315a497c8112c1fdd8d508d4b1e506	ℹ️ No ownership (standard ERC20)
WETH10	0x3304b747e565a97ec8ac220b0b6a1f6ffdb837e6	ℹ️ No ownership (standard ERC20)
CCIPWETH9Bridge	0x8078a09637e47fa5ed34f626046ea2094a5cde5e	✅ Admin: Deployer
CCIPWETH10Bridge	0x105f8a15b819948a89153505762444ee9f324684	✅ Admin: Deployer

Arbitrum (Chain ID: 42161)

Contract	Address	Ownership Status
WETH9	0x99b3511a2d315a497c8112c1fdd8d508d4b1e506	ℹ️ No ownership (standard ERC20)
WETH10	0x3304b747e565a97ec8ac220b0b6a1f6ffdb837e6	ℹ️ No ownership (standard ERC20)
CCIPWETH9Bridge	0x8078a09637e47fa5ed34f626046ea2094a5cde5e	✅ Admin: Deployer
CCIPWETH10Bridge	0x105f8a15b819948a89153505762444ee9f324684	✅ Admin: Deployer

Optimism (Chain ID: 10)

Contract	Address	Ownership Status
WETH9	0x99b3511a2d315a497c8112c1fdd8d508d4b1e506	ℹ️ No ownership (standard ERC20)
WETH10	0x3304b747e565a97ec8ac220b0b6a1f6ffdb837e6	ℹ️ No ownership (standard ERC20)
CCIPWETH9Bridge	0x8078a09637e47fa5ed34f626046ea2094a5cde5e	✅ Admin: Deployer
CCIPWETH10Bridge	0x105f8a15b819948a89153505762444ee9f324684	✅ Admin: Deployer

Ethereum Mainnet (Chain ID: 1)

Contract	Address	Ownership Status
CCIPWETH9Bridge	0x3304b747E565a97ec8AC220b0B6A1f6ffDB837e6	✅ Admin: Deployer
CCIPWETH10Bridge	0xe0E93247376aa097dB308B92e6Ba36bA015535D0	✅ Admin: Deployer

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📋 Contract Ownership Details

CCIPWETH9Bridge & CCIPWETH10Bridge

Ownership Model: Admin-based Admin Function: admin() returns address Initial Admin: Set to msg.sender (deployer) in constructor Admin Capabilities:

• Add/remove destination chains
• Update destination chain configurations
• Change fee token address
• Transfer admin to new address

Verification: ✅ All bridge contracts have deployer as admin

WETH9 & WETH10

Ownership Model: None Reason: Standard ERC20 tokens without ownership Design: Immutable contracts (no admin functions) Verification: ℹ️ No ownership to verify (by design)

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🔍 Verification Method

Ownership was verified using:

1. Script: scripts/deployment/verify-contract-ownership.sh
2. Method: Direct contract calls to admin() function
3. Comparison: Admin address vs deployer address
4. Result: All bridge contracts verified as owned by deployer

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✅ Summary

Ownership Status

• Bridge Contracts: ✅ 12/12 verified (deployer is admin)
  • BSC: 2/2 ✅
  • Polygon: 2/2 ✅
  • Avalanche: 2/2 ✅
  • Base: 2/2 ✅
  • Arbitrum: 2/2 ✅
  • Optimism: 2/2 ✅
• Token Contracts: ℹ️ 12/12 no ownership (by design)
  • WETH9: 6 contracts (no ownership)
  • WETH10: 6 contracts (no ownership)
• Total Verified: ✅ All contracts with ownership verified
• Deployer Address: 0x4A666F96fC8764181194447A7dFdb7d471b301C8

Security Notes

1. Bridge Admin: All bridge contracts are owned by deployer
2. Token Immutability: WETH9/WETH10 are immutable (no ownership)
3. Admin Transfer: Admin can be transferred if needed
4. Multi-sig Consideration: Consider transferring admin to multi-sig for production

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🔧 Admin Functions Available

CCIPWETH9Bridge & CCIPWETH10Bridge

// Check current admin
address admin = bridge.admin();

// Transfer admin (only current admin can call)
bridge.transferAdmin(newAdmin);

// Add destination chain (only admin)
bridge.addDestination(chainSelector, receiverBridge);

// Remove destination chain (only admin)
bridge.removeDestination(chainSelector);

// Update destination chain (only admin)
bridge.updateDestination(chainSelector, receiverBridge);

// Change fee token (only admin)
bridge.setFeeToken(newFeeToken);

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📝 Recommendations

1. Multi-sig Setup: Consider transferring admin to a multi-sig wallet for enhanced security
2. Admin Backup: Document admin transfer procedures
3. Access Control: Review admin functions and ensure proper access control
4. Monitoring: Set up alerts for admin transfer events

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Last Updated: 2025-12-11 Verification Script: scripts/deployment/verify-contract-ownership.sh