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Aave Book
  • Introduction
  • TradFi vs DeFi: Lending
  • Market forces x Interest Rate Models
  • On Indexes
    • Why use indexes?
  • Scaling and ATokens
  • Deposit & Borrow Interest
  • Stable borrowing
    • 🚧Under construction
  • Liquidation
    • 🚧TODO: Full example
    • 🚧Under construction: oracles
  • Primer
    • Bitmap & Masks
      • 🚧padding and bytes
    • WadRayLibrary
      • Math Operations
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    • General Execution flow
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    • Common Functions
      • getReserveFactor, getDecimals
      • .cache
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    • supply
      • validateSupply
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      • On check-effects-interactions pattern
    • withdraw
      • get user balance & withdraw amount
      • validateWithdraw
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      • Ensure existing loans are collateralized
    • borrow
      • getIsolationModeState
      • .validateBorrow
      • Mint debt token
      • setBorrowing
      • update IsolationMode debt
      • transfer underlying to user
    • repay
      • get current debt
      • validateRepay, paybackAmount
      • burn debt tokens
      • Cleanup + Collect repay
    • liquidate
      • _calculateDebt
      • validateLiquidationCall
      • getConfigurationData
      • calculateAvailableCollateralToLiquidate
      • 🚧_burnDebtTokens
      • liquidate/burn collateral
      • liquidation Fee
      • Wrap-up
    • 🚧swapBorrowRateMode
    • 🚧setUserUseReserveAsCollateral
  • Contracts
    • AToken
      • Simple example: mint & balanceOf
    • StableDebtToken
      • Implementation explained
    • VariableDebtToken
    • DefaultReserveInterestRateStrategy
    • L2
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  • Audit findings
    • 🚧Under construction
  • Appendix
    • Simple, Compound, APR, APY
  • Aave Features
    • Risk Management
      • Supply & Borrow Caps
      • Isolation Mode
      • Siloed Borrowing
    • Other features
      • Repay with ATokens
      • eMode: High efficiency Mode
      • 🚧Aave Vault
      • 🚧Portal
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  • Overview
  • executeRepay
  • Execution flow
  • Visual Aid

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  1. Functions

repay

Previoustransfer underlying to userNextget current debt

Last updated 1 year ago

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Overview

This function is called when the user wishes to repay his existing debts. User can opt to repay in full or partially.

Inputs

  • address of debt asset: if repaying DAI debt, pass the DAI address

  • amount of debt to repay: does not need to be 100%

  • interestRateMode: stable or variable

  • onBehalfOf: if repaying another user's debt

  • useATokens: false

repayWithATokens has useATokens: true

executeRepay

Execution flow

Visual Aid

We will breakdown and examine the unique sections of logics within executeRepay. Code delineated in orange are common functions and can be explored in that .

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Drawing