mirror of
https://github.com/Instadapp/aave-protocol-v2.git
synced 2024-07-29 21:47:30 +00:00
88 lines
2.4 KiB
Solidity
88 lines
2.4 KiB
Solidity
// SPDX-License-Identifier: agpl-3.0
|
|
pragma solidity ^0.6.8;
|
|
|
|
/**
|
|
* @title interface IStableDebtToken
|
|
*
|
|
* @notice defines the interface for the stable debt token
|
|
*
|
|
* @dev it does not inherit from IERC20 to save in code size
|
|
*
|
|
* @author Aave
|
|
*
|
|
**/
|
|
|
|
interface IStableDebtToken {
|
|
/**
|
|
* @dev emitted when new stable debt is minted
|
|
* @param user the address of the user
|
|
* @param amount the amount minted
|
|
* @param previousBalance the previous balance of the user
|
|
* @param currentBalance the current balance of the user
|
|
* @param balanceIncrease the debt increase since the last update
|
|
* @param newRate the rate of the debt after the minting
|
|
**/
|
|
event MintDebt(
|
|
address user,
|
|
uint256 amount,
|
|
uint256 previousBalance,
|
|
uint256 currentBalance,
|
|
uint256 balanceIncrease,
|
|
uint256 newRate
|
|
);
|
|
|
|
/**
|
|
* @dev emitted when new stable debt is burned
|
|
* @param user the address of the user
|
|
* @param amount the amount minted
|
|
* @param previousBalance the previous balance of the user
|
|
* @param currentBalance the current balance of the user
|
|
* @param balanceIncrease the debt increase since the last update
|
|
**/
|
|
event BurnDebt(
|
|
address user,
|
|
uint256 amount,
|
|
uint256 previousBalance,
|
|
uint256 currentBalance,
|
|
uint256 balanceIncrease
|
|
);
|
|
|
|
/**
|
|
* @dev mints debt token to the target user. The resulting rate is the weighted average
|
|
* between the rate of the new debt and the rate of the previous debt
|
|
* @param user the address of the user
|
|
* @param amount the amount of debt tokens to mint
|
|
* @param rate the rate of the debt being minted.
|
|
**/
|
|
function mint(
|
|
address user,
|
|
uint256 amount,
|
|
uint256 rate
|
|
) external;
|
|
|
|
/**
|
|
* @dev burns debt of the target user.
|
|
* @param user the address of the user
|
|
* @param amount the amount of debt tokens to mint
|
|
**/
|
|
function burn(address user, uint256 amount) external;
|
|
|
|
/**
|
|
* @dev returns the average rate of all the stable rate loans.
|
|
* @return the average stable rate
|
|
**/
|
|
function getAverageStableRate() external view returns (uint256);
|
|
|
|
/**
|
|
* @dev returns the stable rate of the user debt
|
|
* @return the stable rate of the user
|
|
**/
|
|
function getUserStableRate(address user) external view returns (uint256);
|
|
|
|
/**
|
|
* @dev returns the timestamp of the last update of the user
|
|
* @return the timestamp
|
|
**/
|
|
function getUserLastUpdated(address user) external view returns (uint40);
|
|
}
|