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https://github.com/Instadapp/aave-protocol-v2.git
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56 lines
1.7 KiB
Solidity
56 lines
1.7 KiB
Solidity
// SPDX-License-Identifier: agpl-3.0
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pragma solidity 0.6.12;
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import {IScaledBalanceToken} from './IScaledBalanceToken.sol';
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/**
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* @title 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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**/
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interface IVariableDebtToken is 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 onBehalfOf The address of the user on which behalf minting has been performed
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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, address indexed onBehalfOf, uint256 value, uint256 index);
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/**
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* @dev Mints debt token to the `onBehalfOf` address
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* @param user The address receiving the borrowed underlying, being the delegatee in case
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* of credit delegate, or same as `onBehalfOf` otherwise
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* @param onBehalfOf The address receiving the debt tokens
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* @param amount The amount of debt being minted
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* @param index The variable debt index of the reserve
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* @return `true` if the the previous balance of the user is 0
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**/
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function mint(
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address user,
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address onBehalfOf,
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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 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 index The index of the user
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**/
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event Burn(address indexed user, uint256 amount, uint256 index);
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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 index The variable debt index of the reserve
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**/
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function burn(
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address user,
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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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