mirror of
https://github.com/Instadapp/aave-protocol-v2.git
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86 lines
2.7 KiB
Solidity
86 lines
2.7 KiB
Solidity
// SPDX-License-Identifier: agpl-3.0
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pragma solidity ^0.6.12;
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import {IERC20} from '../../dependencies/openzeppelin/contracts/IERC20.sol';
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import {IScaledBalanceToken} from './IScaledBalanceToken.sol';
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interface IAToken is IERC20, IScaledBalanceToken {
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/**
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* @dev emitted after the mint action
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* @param from the address performing the mint
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* @param value the amount to be minted
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* @param index the last index of the reserve
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**/
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event Mint(address indexed from, uint256 value, uint256 index);
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/**
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* @dev mints aTokens to user
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* only lending pools can call this function
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* @param user the address receiving the minted tokens
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* @param amount the amount of tokens to mint
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* @param index the liquidity index
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*/
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function mint(
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address user,
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uint256 amount,
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uint256 index
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) external returns (bool);
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/**
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* @dev emitted after aTokens are burned
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* @param from the address performing the redeem
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* @param value the amount to be redeemed
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* @param index the last index of the reserve
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**/
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event Burn(address indexed from, address indexed target, uint256 value, uint256 index);
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/**
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* @dev emitted during the transfer action
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* @param from the address from which the tokens are being transferred
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* @param to the adress of the destination
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* @param value the amount to be minted
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* @param index the last index of the reserve
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**/
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event BalanceTransfer(address indexed from, address indexed to, uint256 value, uint256 index);
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/**
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* @dev burns the aTokens and sends the equivalent amount of underlying to the target.
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* only lending pools can call this function
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* @param amount the amount being burned
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* @param index the liquidity index
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**/
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function burn(
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address user,
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address underlyingTarget,
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uint256 amount,
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uint256 index
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) external;
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/**
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* @dev mints aTokens to the reserve treasury
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* @param amount the amount to mint
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* @param index the liquidity index of the reserve
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**/
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function mintToTreasury(uint256 amount, uint256 index) external;
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/**
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* @dev transfers tokens in the event of a borrow being liquidated, in case the liquidators reclaims the aToken
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* only lending pools can call this function
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* @param from the address from which transfer the aTokens
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* @param to the destination address
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* @param value the amount to transfer
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**/
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function transferOnLiquidation(
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address from,
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address to,
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uint256 value
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) external;
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/**
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* @dev transfer the amount of the underlying asset to the user
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* @param user address of the user
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* @param amount the amount to transfer
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* @return the amount transferred
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**/
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function transferUnderlyingTo(address user, uint256 amount) external returns (uint256);
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}
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