Module: Collateral Management - Loan Origination and Risk Control

[devIKargi]

Purpose

Implement a collateral management module to enable users to deposit collateral and borrow against it, creating a lending protocol with robust risk management and liquidation mechanisms.

Direction / Tasks

• Create collateral deposit and withdrawal functionality
• Implement configurable collateral types with individual risk parameters
• Add borrowing mechanism with interest rate calculations
• Create liquidation system with configurable liquidation threshold and bonus
• Implement health factor calculations and monitoring
• Add dynamic interest rate model based on utilization
• Support multiple collateral types in single account
• Integrate with Oracle module for collateral valuation
• Create protocol risk controls (debt ceiling, collateral caps)

Acceptance Criteria

• Users can deposit collateral and borrow up to allowed limits
• Health factor correctly calculated and monitored
• Interest accrues correctly with chosen rate model
• Liquidation only occurs when health factor below threshold
• Liquidators receive appropriate bonuses
• Multiple collateral types tracked independently
• Collateral caps and debt ceilings enforced
• 100% unit test coverage including liquidation scenarios
• All deposit/borrow/liquidation events properly logged