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Term Finance v1 Developer Documentation
  • Overview
  • Term Finance Protocol
    • Term Repo
      • Term Auction Group
        • Initialization Parameters
        • Administrative Functions
      • Term Servicer Group
        • Initialization Parameters
        • Administrative Functions
      • Term Repo Token
        • Initialization Parameters
        • Administrative Functions
    • Protocol Contracts
      • Price Feeds
    • Conventions
    • Terminology
  • Access Controls
    • Upgradeability
  • Deployed Contracts
    • Smart Contract Audits
    • Formal Verification
    • [Ethereum]
    • [Avalanche]
  • Protocol Security
    • Smart Contract Monitoring
    • Front-End Security
  • Solidity API - latest
    • Term Repo Class
      • Term Auction Group
        • TermAuction.sol
        • TermAuctionBidLocker.sol
        • TermAuctionOfferLocker.sol
      • Term Servicer Group
        • TermRepoServicer.sol
        • TermRepoLocker.sol
        • TermRepoCollateralManager.sol
        • TermRepoRolloverManager.sol
      • TermRepoToken.sol
    • Protocol Class
      • TermController.sol
      • TermEventEmitter.sol
      • TermInitializer.sol
      • TermPriceConsumerV3.sol
  • Solidity API - 0.5.31
    • Term Repo Class
      • Term Auction Group
        • TermAuction.sol
        • TermAuctionBidLocker.sol
        • TermAuctionOfferLocker.sol
      • Term Servicer Group
        • TermRepoServicer.sol
        • TermRepoLocker.sol
        • TermRepoCollateralManager.sol
        • TermRepoRolloverManager.sol
      • TermRepoToken.sol
    • Protocol Class
      • TermController.sol
      • TermEventEmitter.sol
      • TermInitializer.sol
      • TermPriceConsumerV3.sol
  • Solidity API - 0.5.32
    • Term Repo Class
      • Term Auction Group
        • TermAuction.sol
        • TermAuctionBidLocker.sol
        • TermAuctionOfferLocker.sol
      • Term Servicer Group
        • TermRepoServicer.sol
        • TermRepoLocker.sol
        • TermRepoCollateralManager.sol
        • TermRepoRolloverManager.sol
      • TermRepoToken.sol
    • Protocol Class
      • TermController.sol
      • TermEventEmitter.sol
      • TermInitializer.sol
      • TermPriceConsumerV3.sol
  • Solidity API - 0.6.0
    • Term Repo Class
      • Term Auction Group
        • TermAuction.sol
        • TermAuctionBidLocker.sol
        • TermAuctionOfferLocker.sol
      • Term Servicer Group
        • TermRepoServicer.sol
        • TermRepoLocker.sol
        • TermRepoCollateralManager.sol
        • TermRepoRolloverManager.sol
      • TermRepoToken.sol
    • Protocol Class
      • TermController.sol
      • TermEventEmitter.sol
      • TermInitializer.sol
      • TermPriceConsumerV3.sol
  • Solidity API - 0.9.0
    • Term Repo Class
      • Term Auction Group
        • TermAuction.sol
        • TermAuctionBidLocker.sol
        • TermAuctionOfferLocker.sol
      • Term Servicer Group
        • TermRepoServicer.sol
        • TermRepoLocker.sol
        • TermRepoCollateralManager.sol
        • TermRepoRolloverManager.sol
      • TermRepoToken.sol
    • Protocol Class
      • TermController.sol
      • TermEventEmitter.sol
      • TermInitializer.sol
      • TermPriceConsumerV3.sol
  • DeFiSafety - detailed report
  • Github Repo
  • Periphery Contracts
    • Blue Sheets
      • Core Architecture
      • Core Functionality
      • Administration
      • Deployed Contracts
        • Smart Contract Audits
        • [Ethereum]
      • Solidity API - latest
        • RepoTokenLinkedList.sol#RepoTokenLinkedList
        • RepoTokenLinkedList.sol#RepoTokenLinkedListStorageV1
        • RepoTokenLinkedListEventEmitter.sol
        • TermDiscountRateAdapter.sol
    • Github Repo
    • Term Strategy Vaults
      • Core Architecture
        • Yearn V3 Framework
        • Term Integration
      • Core Functionality
        • YearnV3 Base Operations
        • Term Protocol Operations
          • Core Integration
          • Portfolio Valuation
          • Protocol Interactions
          • Portfolio Constraints
      • Administration
        • Yearn Roles & Governance
        • Term Vault Governance
      • Configuration Guide
      • Deployed Contracts
        • Smart Contract Audits
        • [Ethereum]
      • Solidity API - latest
        • RepoTokenList.sol#RepoTokenList
        • RepoTokenList.sol#RepoTokenListData
        • RepoTokenList.sol#RepoTokenListNode
        • RepoTokenUtils.sol#RepoTokenUtils
        • Strategy.sol#Strategy
        • TermAuctionList.sol#TermAuctionList
        • TermAuctionList.sol#PendingOffer
        • TermAuctionList.sol#TermAuctionListData
        • TermAuctionList.sol#TermAuctionListNode
        • TermDiscountRateAdapter.sol#TermDiscountRateAdapter
        • TermVaultEventEmitter.sol#TermVaultEventEmitter
        • TermFinanceVaultWrappedVotesToken.sol#TermFinanceVaultWrappedVotesToken
    • Github Repo
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  1. Periphery Contracts
  2. Term Strategy Vaults

Core Functionality

The Core Functionality of Term Strategy Vaults combines the robust, battle-tested foundation of Yearn V3's ERC-4626 implementation with custom integrations and risk management mechanisms tailored to Term's fixed-rate lending protocol. This hybrid design ensures both seamless compatibility with DeFi standards and specialized functionality for managing Term’s unique portfolio requirements.


YearnV3 Base Operations

The Yearn V3 foundation provides the essential scaffolding for Term Strategy Vaults. By implementing the ERC-4626 standard, Yearn V3 ensures standardized asset operations, including deposits, withdrawals, and share accounting. Key features include:

  • Asset Operations: Efficient handling of deposits, withdrawals, and liquidity deployment via hooks like _deployFunds and _freeFunds.

  • Profit Mechanics: Smooth profit realization and linear unlocking to prevent manipulation of price-per-share (PPS).

  • Fee Management: Transparent performance fee distribution between curators and Yearn governance.

  • Security Enhancements: Reentrancy protections, sandwich attack prevention, and robust access controls.

This foundational layer provides Term Strategy Vaults with a secure, modular, and efficient vault structure for managing assets.


Term Protocol Operations

Building on the Yearn V3 foundation, the Term-specific functionality introduces custom integrations to manage fixed-rate lending portfolios effectively. These include:

  1. Liquidity Management:

    • Automated portfolio adjustments using Term-specific hooks like _harvestAndReport.

    • Comprehensive valuation of repoToken holdings, idle liquidity, and pending auction offers.

  2. Auction Participation:

    • Controlled submission of auction offers by the designated manager.

    • Real-time validation of repoToken and auction parameters to maintain portfolio integrity.

  3. Direct Repo Token Liquidity:

    • Public interface for selling repoTokens into the vault, ensuring efficient liquidity management.

    • Validation and enforcement of portfolio constraints during token purchases.

  4. Risk Management:

    • Strict enforcement of portfolio constraints, including:

      • Concentration limits.

      • Liquid reserve requirements.

      • Weighted average duration caps.

      • Collateral quality checks.

    • Continuous monitoring of portfolio health through automated processes.

The Term layer transforms Yearn's flexible vault structure into a specialized solution for managing Term’s fixed-rate lending portfolios while adhering to stringent risk controls.

Last updated 4 months ago