mirror of
https://github.com/Instadapp/aave-protocol-v2.git
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67 lines
1.9 KiB
Solidity
67 lines
1.9 KiB
Solidity
// SPDX-License-Identifier: agpl-3.0
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pragma solidity ^0.6.8;
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/**
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* @title interface IVariableDebtToken
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* @author Aave
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* @notice defines the basic interface for a variable debt token.
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* @dev does not inherit from IERC20 to save in contract size
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**/
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interface IVariableDebtToken {
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/**
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* @dev emitted when new variable debt is minted
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* @param user the user receiving the debt
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* @param amount the amount of debt being minted
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* @param previousBalance the previous balance of the user
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* @param currentBalance the current balance of the user
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* @param balanceIncrease the debt accumulated since the last action
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* @param index the index of the user
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**/
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event MintDebt(
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address user,
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uint256 amount,
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uint256 previousBalance,
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uint256 currentBalance,
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uint256 balanceIncrease,
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uint256 index
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);
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/**
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* @dev emitted when variable debt is burnt
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* @param user the user which debt has been burned
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* @param amount the amount of debt being burned
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* @param previousBalance the previous balance of the user
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* @param currentBalance the current balance of the user
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* @param balanceIncrease the debt accumulated since the last action
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* @param index the index of the user
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**/
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event BurnDebt(
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address user,
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uint256 amount,
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uint256 previousBalance,
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uint256 currentBalance,
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uint256 balanceIncrease,
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uint256 index
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);
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/**
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* @dev mints new variable debt
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* @param user the user receiving the debt
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* @param amount the amount of debt being minted
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**/
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function mint(address user, uint256 amount) external;
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/**
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* @dev burns user variable debt
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* @param user the user which debt is burnt
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* @param amount the amount of debt being burned
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**/
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function burn(address user, uint256 amount) external;
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/**
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* @dev returns the last index of the user
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* @return the index of the user
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**/
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function getUserIndex(address user) external view returns (uint256);
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}
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