1fb7266469
- Introduced Aggregator.sol for Chainlink-compatible oracle functionality, including round-based updates and access control. - Added OracleWithCCIP.sol to extend Aggregator with CCIP cross-chain messaging capabilities. - Created .gitmodules to include OpenZeppelin contracts as a submodule. - Developed a comprehensive deployment guide in NEXT_STEPS_COMPLETE_GUIDE.md for Phase 2 and smart contract deployment. - Implemented Vite configuration for the orchestration portal, supporting both Vue and React frameworks. - Added server-side logic for the Multi-Cloud Orchestration Portal, including API endpoints for environment management and monitoring. - Created scripts for resource import and usage validation across non-US regions. - Added tests for CCIP error handling and integration to ensure robust functionality. - Included various new files and directories for the orchestration portal and deployment scripts.
307 lines
8.8 KiB
Markdown
307 lines
8.8 KiB
Markdown
# Security Audit Checklist for Refactored Contracts
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## Overview
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This checklist provides security considerations for contracts refactored to remove OpenZeppelin dependencies.
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## General Security Checklist
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### Access Control
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- [ ] **Admin Pattern**
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- [ ] Admin address is set in constructor
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- [ ] Admin address is validated (not zero address)
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- [ ] Admin functions are protected with `onlyAdmin` modifier
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- [ ] Admin can be changed with `changeAdmin` function
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- [ ] New admin is validated (not zero address)
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- [ ] Admin change is logged with event
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- [ ] **Access Control Functions**
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- [ ] All admin functions use `onlyAdmin` modifier
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- [ ] No public functions with admin privileges
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- [ ] No functions that bypass access control
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- [ ] Access control is consistent across contract
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### Token Operations
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- [ ] **ERC20 Token Transfers**
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- [ ] Token transfers use standard ERC20 calls
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- [ ] Transfer return values are checked
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- [ ] Transfer failures revert with clear error messages
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- [ ] Token addresses are validated (not zero address)
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- [ ] Token amounts are validated (greater than zero)
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- [ ] **Token Approvals**
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- [ ] Token approvals use standard ERC20 calls
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- [ ] Approval return values are checked
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- [ ] Approval failures revert with clear error messages
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- [ ] Approval amounts are validated
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- [ ] Approval spender is validated (not zero address)
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- [ ] **Token Balance Checks**
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- [ ] Balance checks are performed before transfers
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- [ ] Balance checks use standard ERC20 calls
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- [ ] Balance checks are accurate
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- [ ] Balance checks handle edge cases
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### Input Validation
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- [ ] **Address Validation**
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- [ ] All addresses are validated (not zero address)
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- [ ] Address validation is consistent
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- [ ] Address validation has clear error messages
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- [ ] Address validation is performed early
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- [ ] **Amount Validation**
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- [ ] All amounts are validated (greater than zero)
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- [ ] Amount validation is consistent
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- [ ] Amount validation has clear error messages
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- [ ] Amount validation handles overflow/underflow
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- [ ] **Parameter Validation**
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- [ ] All parameters are validated
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- [ ] Parameter validation is consistent
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- [ ] Parameter validation has clear error messages
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- [ ] Parameter validation is performed early
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### Error Handling
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- [ ] **Error Messages**
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- [ ] All error messages are clear and descriptive
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- [ ] Error messages follow consistent format
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- [ ] Error messages include contract name prefix
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- [ ] Error messages are helpful for debugging
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- [ ] **Revert Conditions**
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- [ ] All revert conditions are explicit
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- [ ] Revert conditions use `require` statements
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- [ ] Revert conditions are checked early
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- [ ] Revert conditions handle edge cases
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### Reentrancy Protection
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- [ ] **Reentrancy Guards**
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- [ ] Reentrancy guards are used where needed
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- [ ] Reentrancy guards are consistent
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- [ ] Reentrancy guards are effective
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- [ ] Reentrancy guards handle all entry points
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- [ ] **External Calls**
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- [ ] External calls are made after state changes
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- [ ] External calls are validated
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- [ ] External calls handle failures
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- [ ] External calls don't allow reentrancy
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### State Management
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- [ ] **State Variables**
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- [ ] State variables are properly initialized
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- [ ] State variables are properly updated
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- [ ] State variables are properly validated
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- [ ] State variables are properly protected
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- [ ] **State Changes**
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- [ ] State changes are atomic
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- [ ] State changes are consistent
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- [ ] State changes are validated
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- [ ] State changes are logged with events
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### Events
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- [ ] **Event Logging**
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- [ ] All important events are logged
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- [ ] Events include all relevant parameters
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- [ ] Events are indexed where appropriate
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- [ ] Events follow consistent naming
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### Gas Optimization
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- [ ] **Gas Efficiency**
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- [ ] Contract is gas-efficient
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- [ ] Unnecessary operations are avoided
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- [ ] Storage operations are optimized
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- [ ] External calls are minimized
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### Code Quality
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- [ ] **Code Structure**
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- [ ] Code is well-structured
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- [ ] Code is well-documented
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- [ ] Code follows best practices
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- [ ] Code is maintainable
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- [ ] **Code Review**
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- [ ] Code has been reviewed
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- [ ] Code review comments have been addressed
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- [ ] Code follows project standards
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- [ ] Code is consistent with other contracts
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---
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## Contract-Specific Checklists
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### CCIP Contracts (CCIPSender, CCIPRouter, CCIPRouterOptimized)
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- [ ] **SafeERC20 Replacement**
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- [ ] Standard ERC20 calls are used
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- [ ] Transfer return values are checked
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- [ ] Approval return values are checked
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- [ ] Error messages are clear
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- [ ] Only standard ERC20 tokens are used
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- [ ] **Fee Token Handling**
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- [ ] Fee token is validated
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- [ ] Fee token transfers are safe
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- [ ] Fee token approvals are safe
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- [ ] Fee token balance is checked
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- [ ] Fee token errors are handled
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- [ ] **CCIP Integration**
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- [ ] CCIP router is validated
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- [ ] CCIP messages are validated
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- [ ] CCIP fees are calculated correctly
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- [ ] CCIP errors are handled
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- [ ] CCIP replay protection is implemented
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### Governance Contracts (MultiSig, Voting)
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- [ ] **Ownable Replacement**
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- [ ] Custom admin pattern is used
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- [ ] Admin functions are protected
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- [ ] Admin can be changed
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- [ ] New admin is validated
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- [ ] Admin change is logged
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- [ ] **Access Control**
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- [ ] Access control is consistent
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- [ ] Access control is effective
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- [ ] Access control handles edge cases
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- [ ] Access control is well-tested
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- [ ] **Governance Logic**
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- [ ] Governance logic is correct
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- [ ] Governance logic is secure
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- [ ] Governance logic is well-tested
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- [ ] Governance logic handles edge cases
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---
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## Testing Checklist
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### Unit Tests
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- [ ] **Test Coverage**
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- [ ] All functions are tested
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- [ ] All edge cases are tested
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- [ ] All error cases are tested
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- [ ] Test coverage is high
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- [ ] **Test Quality**
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- [ ] Tests are comprehensive
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- [ ] Tests are well-written
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- [ ] Tests are maintainable
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- [ ] Tests follow best practices
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### Integration Tests
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- [ ] **Integration Testing**
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- [ ] Contracts are tested together
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- [ ] Integration tests are comprehensive
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- [ ] Integration tests are well-written
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- [ ] Integration tests are maintainable
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### Security Tests
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- [ ] **Security Testing**
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- [ ] Security tests are performed
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- [ ] Security vulnerabilities are tested
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- [ ] Security tests are comprehensive
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- [ ] Security tests are well-written
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---
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## Deployment Checklist
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### Pre-Deployment
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- [ ] **Code Review**
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- [ ] Code has been reviewed
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- [ ] Code review comments have been addressed
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- [ ] Code follows project standards
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- [ ] **Testing**
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- [ ] All tests pass
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- [ ] Test coverage is high
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- [ ] Security tests are performed
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- [ ] **Documentation**
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- [ ] Documentation is complete
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- [ ] Documentation is accurate
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- [ ] Documentation is up-to-date
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### Deployment
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- [ ] **Deployment Scripts**
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- [ ] Deployment scripts are tested
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- [ ] Deployment scripts are secure
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- [ ] Deployment scripts are well-documented
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- [ ] **Deployment Verification**
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- [ ] Contracts are deployed correctly
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- [ ] Contract addresses are verified
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- [ ] Contract functionality is verified
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### Post-Deployment
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- [ ] **Monitoring**
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- [ ] Contracts are monitored
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- [ ] Contract events are logged
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- [ ] Contract performance is tracked
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- [ ] **Maintenance**
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- [ ] Contracts are maintained
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- [ ] Contract updates are planned
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- [ ] Contract security is reviewed
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---
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## References
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### Contract Examples
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- `contracts/ccip/CCIPWETH9Bridge.sol` - Custom implementation ✅
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- `contracts/ccip/CCIPWETH10Bridge.sol` - Custom implementation ✅
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- `contracts/tokens/WETH10.sol` - Custom implementation ✅
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### Documentation
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- [Migration Guide](./MIGRATION_GUIDE.md)
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- [Contract Inventory](./CONTRACT_INVENTORY.md)
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- [OpenZeppelin Usage Analysis](./OPENZEPPELIN_USAGE_ANALYSIS.md)
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- [Dependencies Guide](./DEPENDENCIES.md)
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---
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## Summary
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### Key Security Considerations
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1. ✅ **Access Control**: Use custom admin pattern with proper validation
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2. ✅ **Token Operations**: Use standard ERC20 calls with return value checks
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3. ✅ **Input Validation**: Validate all inputs with clear error messages
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4. ✅ **Error Handling**: Use explicit error messages with require statements
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5. ✅ **Reentrancy Protection**: Protect against reentrancy attacks
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6. ✅ **State Management**: Manage state changes safely and atomically
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7. ✅ **Events**: Log all important events
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8. ✅ **Gas Optimization**: Optimize gas usage where possible
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9. ✅ **Code Quality**: Follow best practices and project standards
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10. ✅ **Testing**: Comprehensive testing with high coverage
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---
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## Questions?
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For questions about security audit checklists, refer to:
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- [Migration Guide](./MIGRATION_GUIDE.md)
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- [Contract Inventory](./CONTRACT_INVENTORY.md)
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- [OpenZeppelin Usage Analysis](./OPENZEPPELIN_USAGE_ANALYSIS.md)
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