Address Details
contract
0x22060a5e21921d1cFbebd301fF40f91F2D4c26F1
- Contract Name
- ATokensAndRatesHelper
- Creator
- 0x643c57–e72624 at 0x822f63–15763b
- Balance
- 0 CELO ( )
- Locked CELO Balance
- 0.00 CELO
- Voting CELO Balance
- 0.00 CELO
- Pending Unlocked Gold
- 0.00 CELO
- Tokens
-
Fetching tokens...
- Transactions
- 2 Transactions
- Transfers
- 0 Transfers
- Gas Used
- 248,079
- Last Balance Update
- 15221361
This contract has been verified via Sourcify.
View contract in Sourcify repository
- Contract name:
- ATokensAndRatesHelper
- Optimization enabled
- true
- Compiler version
- v0.6.12+commit.27d51765
- Optimization runs
- 200
- EVM Version
- istanbul
- Verified at
- 2021-12-20T12:46:49.244409Z
contracts/deployments/ATokensAndRatesHelper.sol
// SPDX-License-Identifier: agpl-3.0 pragma solidity 0.6.12; pragma experimental ABIEncoderV2; import {LendingPool} from '../protocol/lendingpool/LendingPool.sol'; import { LendingPoolAddressesProvider } from '../protocol/configuration/LendingPoolAddressesProvider.sol'; import {LendingPoolConfigurator} from '../protocol/lendingpool/LendingPoolConfigurator.sol'; import {AToken} from '../protocol/tokenization/AToken.sol'; import { DefaultReserveInterestRateStrategy } from '../protocol/lendingpool/DefaultReserveInterestRateStrategy.sol'; import {Ownable} from '../dependencies/openzeppelin/contracts/Ownable.sol'; import {StringLib} from './StringLib.sol'; contract ATokensAndRatesHelper is Ownable { address payable private pool; address private addressesProvider; address private poolConfigurator; event deployedContracts(address aToken, address strategy); struct InitDeploymentInput { address asset; uint256[6] rates; } struct ConfigureReserveInput { address asset; uint256 baseLTV; uint256 liquidationThreshold; uint256 liquidationBonus; uint256 reserveFactor; bool stableBorrowingEnabled; } constructor( address payable _pool, address _addressesProvider, address _poolConfigurator ) public { pool = _pool; addressesProvider = _addressesProvider; poolConfigurator = _poolConfigurator; } function initDeployment(InitDeploymentInput[] calldata inputParams) external onlyOwner { for (uint256 i = 0; i < inputParams.length; i++) { emit deployedContracts( address(new AToken()), address( new DefaultReserveInterestRateStrategy( LendingPoolAddressesProvider(addressesProvider), inputParams[i].rates[0], inputParams[i].rates[1], inputParams[i].rates[2], inputParams[i].rates[3], inputParams[i].rates[4], inputParams[i].rates[5] ) ) ); } } function configureReserves(ConfigureReserveInput[] calldata inputParams) external onlyOwner { LendingPoolConfigurator configurator = LendingPoolConfigurator(poolConfigurator); for (uint256 i = 0; i < inputParams.length; i++) { configurator.configureReserveAsCollateral( inputParams[i].asset, inputParams[i].baseLTV, inputParams[i].liquidationThreshold, inputParams[i].liquidationBonus ); configurator.enableBorrowingOnReserve( inputParams[i].asset, inputParams[i].stableBorrowingEnabled ); configurator.setReserveFactor(inputParams[i].asset, inputParams[i].reserveFactor); } } }
/contracts/dependencies/openzeppelin/contracts/Address.sol
// SPDX-License-Identifier: agpl-3.0 pragma solidity 0.6.12; /** * @dev Collection of functions related to the address type */ library Address { /** * @dev Returns true if `account` is a contract. * * [IMPORTANT] * ==== * It is unsafe to assume that an address for which this function returns * false is an externally-owned account (EOA) and not a contract. * * Among others, `isContract` will return false for the following * types of addresses: * * - an externally-owned account * - a contract in construction * - an address where a contract will be created * - an address where a contract lived, but was destroyed * ==== */ function isContract(address account) internal view returns (bool) { // According to EIP-1052, 0x0 is the value returned for not-yet created accounts // and 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470 is returned // for accounts without code, i.e. `keccak256('')` bytes32 codehash; bytes32 accountHash = 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470; // solhint-disable-next-line no-inline-assembly assembly { codehash := extcodehash(account) } return (codehash != accountHash && codehash != 0x0); } /** * @dev Replacement for Solidity's `transfer`: sends `amount` wei to * `recipient`, forwarding all available gas and reverting on errors. * * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost * of certain opcodes, possibly making contracts go over the 2300 gas limit * imposed by `transfer`, making them unable to receive funds via * `transfer`. {sendValue} removes this limitation. * * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more]. * * IMPORTANT: because control is transferred to `recipient`, care must be * taken to not create reentrancy vulnerabilities. Consider using * {ReentrancyGuard} or the * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern]. */ function sendValue(address payable recipient, uint256 amount) internal { require(address(this).balance >= amount, 'Address: insufficient balance'); // solhint-disable-next-line avoid-low-level-calls, avoid-call-value (bool success, ) = recipient.call{value: amount}(''); require(success, 'Address: unable to send value, recipient may have reverted'); } }
/contracts/dependencies/openzeppelin/contracts/Context.sol
// SPDX-License-Identifier: MIT pragma solidity 0.6.12; /* * @dev Provides information about the current execution context, including the * sender of the transaction and its data. While these are generally available * via msg.sender and msg.data, they should not be accessed in such a direct * manner, since when dealing with GSN meta-transactions the account sending and * paying for execution may not be the actual sender (as far as an application * is concerned). * * This contract is only required for intermediate, library-like contracts. */ abstract contract Context { function _msgSender() internal view virtual returns (address payable) { return msg.sender; } function _msgData() internal view virtual returns (bytes memory) { this; // silence state mutability warning without generating bytecode - see https://github.com/ethereum/solidity/issues/2691 return msg.data; } }
/contracts/dependencies/openzeppelin/contracts/IERC20.sol
// SPDX-License-Identifier: agpl-3.0 pragma solidity 0.6.12; /** * @dev Interface of the ERC20 standard as defined in the EIP. */ interface IERC20 { /** * @dev Returns the amount of tokens in existence. */ function totalSupply() external view returns (uint256); /** * @dev Returns the amount of tokens owned by `account`. */ function balanceOf(address account) external view returns (uint256); /** * @dev Moves `amount` tokens from the caller's account to `recipient`. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. */ function transfer(address recipient, uint256 amount) external returns (bool); /** * @dev Returns the remaining number of tokens that `spender` will be * allowed to spend on behalf of `owner` through {transferFrom}. This is * zero by default. * * This value changes when {approve} or {transferFrom} are called. */ function allowance(address owner, address spender) external view returns (uint256); /** * @dev Sets `amount` as the allowance of `spender` over the caller's tokens. * * Returns a boolean value indicating whether the operation succeeded. * * IMPORTANT: Beware that changing an allowance with this method brings the risk * that someone may use both the old and the new allowance by unfortunate * transaction ordering. One possible solution to mitigate this race * condition is to first reduce the spender's allowance to 0 and set the * desired value afterwards: * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729 * * Emits an {Approval} event. */ function approve(address spender, uint256 amount) external returns (bool); /** * @dev Moves `amount` tokens from `sender` to `recipient` using the * allowance mechanism. `amount` is then deducted from the caller's * allowance. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. */ function transferFrom( address sender, address recipient, uint256 amount ) external returns (bool); /** * @dev Emitted when `value` tokens are moved from one account (`from`) to * another (`to`). * * Note that `value` may be zero. */ event Transfer(address indexed from, address indexed to, uint256 value); /** * @dev Emitted when the allowance of a `spender` for an `owner` is set by * a call to {approve}. `value` is the new allowance. */ event Approval(address indexed owner, address indexed spender, uint256 value); }
/contracts/dependencies/openzeppelin/contracts/IERC20Detailed.sol
// SPDX-License-Identifier: agpl-3.0 pragma solidity 0.6.12; import {IERC20} from './IERC20.sol'; interface IERC20Detailed is IERC20 { function name() external view returns (string memory); function symbol() external view returns (string memory); function decimals() external view returns (uint8); }
/contracts/dependencies/openzeppelin/contracts/Ownable.sol
// SPDX-License-Identifier: MIT pragma solidity ^0.6.0; import './Context.sol'; /** * @dev Contract module which provides a basic access control mechanism, where * there is an account (an owner) that can be granted exclusive access to * specific functions. * * By default, the owner account will be the one that deploys the contract. This * can later be changed with {transferOwnership}. * * This module is used through inheritance. It will make available the modifier * `onlyOwner`, which can be applied to your functions to restrict their use to * the owner. */ contract Ownable is Context { address private _owner; event OwnershipTransferred(address indexed previousOwner, address indexed newOwner); /** * @dev Initializes the contract setting the deployer as the initial owner. */ constructor() internal { address msgSender = _msgSender(); _owner = msgSender; emit OwnershipTransferred(address(0), msgSender); } /** * @dev Returns the address of the current owner. */ function owner() public view returns (address) { return _owner; } /** * @dev Throws if called by any account other than the owner. */ modifier onlyOwner() { require(_owner == _msgSender(), 'Ownable: caller is not the owner'); _; } /** * @dev Leaves the contract without owner. It will not be possible to call * `onlyOwner` functions anymore. Can only be called by the current owner. * * NOTE: Renouncing ownership will leave the contract without an owner, * thereby removing any functionality that is only available to the owner. */ function renounceOwnership() public virtual onlyOwner { emit OwnershipTransferred(_owner, address(0)); _owner = address(0); } /** * @dev Transfers ownership of the contract to a new account (`newOwner`). * Can only be called by the current owner. */ function transferOwnership(address newOwner) public virtual onlyOwner { require(newOwner != address(0), 'Ownable: new owner is the zero address'); emit OwnershipTransferred(_owner, newOwner); _owner = newOwner; } }
/contracts/dependencies/openzeppelin/contracts/SafeERC20.sol
// SPDX-License-Identifier: MIT pragma solidity 0.6.12; import {IERC20} from './IERC20.sol'; import {SafeMath} from './SafeMath.sol'; import {Address} from './Address.sol'; /** * @title SafeERC20 * @dev Wrappers around ERC20 operations that throw on failure (when the token * contract returns false). Tokens that return no value (and instead revert or * throw on failure) are also supported, non-reverting calls are assumed to be * successful. * To use this library you can add a `using SafeERC20 for IERC20;` statement to your contract, * which allows you to call the safe operations as `token.safeTransfer(...)`, etc. */ library SafeERC20 { using SafeMath for uint256; using Address for address; function safeTransfer( IERC20 token, address to, uint256 value ) internal { callOptionalReturn(token, abi.encodeWithSelector(token.transfer.selector, to, value)); } function safeTransferFrom( IERC20 token, address from, address to, uint256 value ) internal { callOptionalReturn(token, abi.encodeWithSelector(token.transferFrom.selector, from, to, value)); } function safeApprove( IERC20 token, address spender, uint256 value ) internal { require( (value == 0) || (token.allowance(address(this), spender) == 0), 'SafeERC20: approve from non-zero to non-zero allowance' ); callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, value)); } function callOptionalReturn(IERC20 token, bytes memory data) private { require(address(token).isContract(), 'SafeERC20: call to non-contract'); // solhint-disable-next-line avoid-low-level-calls (bool success, bytes memory returndata) = address(token).call(data); require(success, 'SafeERC20: low-level call failed'); if (returndata.length > 0) { // Return data is optional // solhint-disable-next-line max-line-length require(abi.decode(returndata, (bool)), 'SafeERC20: ERC20 operation did not succeed'); } } }
/contracts/dependencies/openzeppelin/contracts/SafeMath.sol
// SPDX-License-Identifier: agpl-3.0 pragma solidity 0.6.12; /** * @dev Wrappers over Solidity's arithmetic operations with added overflow * checks. * * Arithmetic operations in Solidity wrap on overflow. This can easily result * in bugs, because programmers usually assume that an overflow raises an * error, which is the standard behavior in high level programming languages. * `SafeMath` restores this intuition by reverting the transaction when an * operation overflows. * * Using this library instead of the unchecked operations eliminates an entire * class of bugs, so it's recommended to use it always. */ library SafeMath { /** * @dev Returns the addition of two unsigned integers, reverting on * overflow. * * Counterpart to Solidity's `+` operator. * * Requirements: * - Addition cannot overflow. */ function add(uint256 a, uint256 b) internal pure returns (uint256) { uint256 c = a + b; require(c >= a, 'SafeMath: addition overflow'); return c; } /** * @dev Returns the subtraction of two unsigned integers, reverting on * overflow (when the result is negative). * * Counterpart to Solidity's `-` operator. * * Requirements: * - Subtraction cannot overflow. */ function sub(uint256 a, uint256 b) internal pure returns (uint256) { return sub(a, b, 'SafeMath: subtraction overflow'); } /** * @dev Returns the subtraction of two unsigned integers, reverting with custom message on * overflow (when the result is negative). * * Counterpart to Solidity's `-` operator. * * Requirements: * - Subtraction cannot overflow. */ function sub( uint256 a, uint256 b, string memory errorMessage ) internal pure returns (uint256) { require(b <= a, errorMessage); uint256 c = a - b; return c; } /** * @dev Returns the multiplication of two unsigned integers, reverting on * overflow. * * Counterpart to Solidity's `*` operator. * * Requirements: * - Multiplication cannot overflow. */ function mul(uint256 a, uint256 b) internal pure returns (uint256) { // Gas optimization: this is cheaper than requiring 'a' not being zero, but the // benefit is lost if 'b' is also tested. // See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522 if (a == 0) { return 0; } uint256 c = a * b; require(c / a == b, 'SafeMath: multiplication overflow'); return c; } /** * @dev Returns the integer division of two unsigned integers. Reverts on * division by zero. The result is rounded towards zero. * * Counterpart to Solidity's `/` operator. Note: this function uses a * `revert` opcode (which leaves remaining gas untouched) while Solidity * uses an invalid opcode to revert (consuming all remaining gas). * * Requirements: * - The divisor cannot be zero. */ function div(uint256 a, uint256 b) internal pure returns (uint256) { return div(a, b, 'SafeMath: division by zero'); } /** * @dev Returns the integer division of two unsigned integers. Reverts with custom message on * division by zero. The result is rounded towards zero. * * Counterpart to Solidity's `/` operator. Note: this function uses a * `revert` opcode (which leaves remaining gas untouched) while Solidity * uses an invalid opcode to revert (consuming all remaining gas). * * Requirements: * - The divisor cannot be zero. */ function div( uint256 a, uint256 b, string memory errorMessage ) internal pure returns (uint256) { // Solidity only automatically asserts when dividing by 0 require(b > 0, errorMessage); uint256 c = a / b; // assert(a == b * c + a % b); // There is no case in which this doesn't hold return c; } /** * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo), * Reverts when dividing by zero. * * Counterpart to Solidity's `%` operator. This function uses a `revert` * opcode (which leaves remaining gas untouched) while Solidity uses an * invalid opcode to revert (consuming all remaining gas). * * Requirements: * - The divisor cannot be zero. */ function mod(uint256 a, uint256 b) internal pure returns (uint256) { return mod(a, b, 'SafeMath: modulo by zero'); } /** * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo), * Reverts with custom message when dividing by zero. * * Counterpart to Solidity's `%` operator. This function uses a `revert` * opcode (which leaves remaining gas untouched) while Solidity uses an * invalid opcode to revert (consuming all remaining gas). * * Requirements: * - The divisor cannot be zero. */ function mod( uint256 a, uint256 b, string memory errorMessage ) internal pure returns (uint256) { require(b != 0, errorMessage); return a % b; } }
/contracts/dependencies/openzeppelin/upgradeability/BaseUpgradeabilityProxy.sol
// SPDX-License-Identifier: agpl-3.0 pragma solidity 0.6.12; import './Proxy.sol'; import '../contracts/Address.sol'; /** * @title BaseUpgradeabilityProxy * @dev This contract implements a proxy that allows to change the * implementation address to which it will delegate. * Such a change is called an implementation upgrade. */ contract BaseUpgradeabilityProxy is Proxy { /** * @dev Emitted when the implementation is upgraded. * @param implementation Address of the new implementation. */ event Upgraded(address indexed implementation); /** * @dev Storage slot with the address of the current implementation. * This is the keccak-256 hash of "eip1967.proxy.implementation" subtracted by 1, and is * validated in the constructor. */ bytes32 internal constant IMPLEMENTATION_SLOT = 0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc; /** * @dev Returns the current implementation. * @return impl Address of the current implementation */ function _implementation() internal view override returns (address impl) { bytes32 slot = IMPLEMENTATION_SLOT; //solium-disable-next-line assembly { impl := sload(slot) } } /** * @dev Upgrades the proxy to a new implementation. * @param newImplementation Address of the new implementation. */ function _upgradeTo(address newImplementation) internal { _setImplementation(newImplementation); emit Upgraded(newImplementation); } /** * @dev Sets the implementation address of the proxy. * @param newImplementation Address of the new implementation. */ function _setImplementation(address newImplementation) internal { require( Address.isContract(newImplementation), 'Cannot set a proxy implementation to a non-contract address' ); bytes32 slot = IMPLEMENTATION_SLOT; //solium-disable-next-line assembly { sstore(slot, newImplementation) } } }
/contracts/dependencies/openzeppelin/upgradeability/InitializableUpgradeabilityProxy.sol
// SPDX-License-Identifier: agpl-3.0 pragma solidity 0.6.12; import './BaseUpgradeabilityProxy.sol'; /** * @title InitializableUpgradeabilityProxy * @dev Extends BaseUpgradeabilityProxy with an initializer for initializing * implementation and init data. */ contract InitializableUpgradeabilityProxy is BaseUpgradeabilityProxy { /** * @dev Contract initializer. * @param _logic Address of the initial implementation. * @param _data Data to send as msg.data to the implementation to initialize the proxied contract. * It should include the signature and the parameters of the function to be called, as described in * https://solidity.readthedocs.io/en/v0.4.24/abi-spec.html#function-selector-and-argument-encoding. * This parameter is optional, if no data is given the initialization call to proxied contract will be skipped. */ function initialize(address _logic, bytes memory _data) public payable { require(_implementation() == address(0)); assert(IMPLEMENTATION_SLOT == bytes32(uint256(keccak256('eip1967.proxy.implementation')) - 1)); _setImplementation(_logic); if (_data.length > 0) { (bool success, ) = _logic.delegatecall(_data); require(success); } } }
/contracts/dependencies/openzeppelin/upgradeability/Proxy.sol
// SPDX-License-Identifier: agpl-3.0 pragma solidity ^0.6.0; /** * @title Proxy * @dev Implements delegation of calls to other contracts, with proper * forwarding of return values and bubbling of failures. * It defines a fallback function that delegates all calls to the address * returned by the abstract _implementation() internal function. */ abstract contract Proxy { /** * @dev Fallback function. * Implemented entirely in `_fallback`. */ fallback() external payable { _fallback(); } /** * @return The Address of the implementation. */ function _implementation() internal view virtual returns (address); /** * @dev Delegates execution to an implementation contract. * This is a low level function that doesn't return to its internal call site. * It will return to the external caller whatever the implementation returns. * @param implementation Address to delegate. */ function _delegate(address implementation) internal { //solium-disable-next-line assembly { // Copy msg.data. We take full control of memory in this inline assembly // block because it will not return to Solidity code. We overwrite the // Solidity scratch pad at memory position 0. calldatacopy(0, 0, calldatasize()) // Call the implementation. // out and outsize are 0 because we don't know the size yet. let result := delegatecall(gas(), implementation, 0, calldatasize(), 0, 0) // Copy the returned data. returndatacopy(0, 0, returndatasize()) switch result // delegatecall returns 0 on error. case 0 { revert(0, returndatasize()) } default { return(0, returndatasize()) } } } /** * @dev Function that is run as the first thing in the fallback function. * Can be redefined in derived contracts to add functionality. * Redefinitions must call super._willFallback(). */ function _willFallback() internal virtual {} /** * @dev fallback implementation. * Extracted to enable manual triggering. */ function _fallback() internal { _willFallback(); _delegate(_implementation()); } }
/contracts/deployments/StringLib.sol
// SPDX-License-Identifier: agpl-3.0 pragma solidity 0.6.12; library StringLib { function concat(string memory a, string memory b) internal pure returns (string memory) { return string(abi.encodePacked(a, b)); } }
/contracts/flashloan/interfaces/IFlashLoanReceiver.sol
// SPDX-License-Identifier: agpl-3.0 pragma solidity 0.6.12; import {ILendingPoolAddressesProvider} from '../../interfaces/ILendingPoolAddressesProvider.sol'; import {ILendingPool} from '../../interfaces/ILendingPool.sol'; /** * @title IFlashLoanReceiver interface * @notice Interface for the Aave fee IFlashLoanReceiver. * @author Aave * @dev implement this interface to develop a flashloan-compatible flashLoanReceiver contract **/ interface IFlashLoanReceiver { function executeOperation( address[] calldata assets, uint256[] calldata amounts, uint256[] calldata premiums, address initiator, bytes calldata params ) external returns (bool); function ADDRESSES_PROVIDER() external view returns (ILendingPoolAddressesProvider); function LENDING_POOL() external view returns (ILendingPool); }
/contracts/interfaces/IAToken.sol
// SPDX-License-Identifier: agpl-3.0 pragma solidity 0.6.12; import {IERC20} from '../dependencies/openzeppelin/contracts/IERC20.sol'; import {IScaledBalanceToken} from './IScaledBalanceToken.sol'; import {IInitializableAToken} from './IInitializableAToken.sol'; import {IAaveIncentivesController} from './IAaveIncentivesController.sol'; interface IAToken is IERC20, IScaledBalanceToken, IInitializableAToken { /** * @dev Emitted after the mint action * @param from The address performing the mint * @param value The amount being * @param index The new liquidity index of the reserve **/ event Mint(address indexed from, uint256 value, uint256 index); /** * @dev Mints `amount` aTokens to `user` * @param user The address receiving the minted tokens * @param amount The amount of tokens getting minted * @param index The new liquidity index of the reserve * @return `true` if the the previous balance of the user was 0 */ function mint( address user, uint256 amount, uint256 index ) external returns (bool); /** * @dev Emitted after aTokens are burned * @param from The owner of the aTokens, getting them burned * @param target The address that will receive the underlying * @param value The amount being burned * @param index The new liquidity index of the reserve **/ event Burn(address indexed from, address indexed target, uint256 value, uint256 index); /** * @dev Emitted during the transfer action * @param from The user whose tokens are being transferred * @param to The recipient * @param value The amount being transferred * @param index The new liquidity index of the reserve **/ event BalanceTransfer(address indexed from, address indexed to, uint256 value, uint256 index); /** * @dev Burns aTokens from `user` and sends the equivalent amount of underlying to `receiverOfUnderlying` * @param user The owner of the aTokens, getting them burned * @param receiverOfUnderlying The address that will receive the underlying * @param amount The amount being burned * @param index The new liquidity index of the reserve **/ function burn( address user, address receiverOfUnderlying, uint256 amount, uint256 index ) external; /** * @dev Mints aTokens to the reserve treasury * @param amount The amount of tokens getting minted * @param index The new liquidity index of the reserve */ function mintToTreasury(uint256 amount, uint256 index) external; /** * @dev Transfers aTokens in the event of a borrow being liquidated, in case the liquidators reclaims the aToken * @param from The address getting liquidated, current owner of the aTokens * @param to The recipient * @param value The amount of tokens getting transferred **/ function transferOnLiquidation( address from, address to, uint256 value ) external; /** * @dev Transfers the underlying asset to `target`. Used by the LendingPool to transfer * assets in borrow(), withdraw() and flashLoan() * @param user The recipient of the underlying * @param amount The amount getting transferred * @return The amount transferred **/ function transferUnderlyingTo(address user, uint256 amount) external returns (uint256); /** * @dev Invoked to execute actions on the aToken side after a repayment. * @param user The user executing the repayment * @param amount The amount getting repaid **/ function handleRepayment(address user, uint256 amount) external; /** * @dev Returns the address of the incentives controller contract **/ function getIncentivesController() external view returns (IAaveIncentivesController); }
/contracts/interfaces/IAaveIncentivesController.sol
// SPDX-License-Identifier: agpl-3.0 pragma solidity 0.6.12; pragma experimental ABIEncoderV2; interface IAaveIncentivesController { function handleAction( address user, uint256 userBalance, uint256 totalSupply ) external; }
/contracts/interfaces/IInitializableAToken.sol
// SPDX-License-Identifier: agpl-3.0 pragma solidity 0.6.12; import {ILendingPool} from './ILendingPool.sol'; import {IAaveIncentivesController} from './IAaveIncentivesController.sol'; /** * @title IInitializableAToken * @notice Interface for the initialize function on AToken * @author Aave **/ interface IInitializableAToken { /** * @dev Emitted when an aToken is initialized * @param underlyingAsset The address of the underlying asset * @param pool The address of the associated lending pool * @param treasury The address of the treasury * @param incentivesController The address of the incentives controller for this aToken * @param aTokenDecimals the decimals of the underlying * @param aTokenName the name of the aToken * @param aTokenSymbol the symbol of the aToken * @param params A set of encoded parameters for additional initialization **/ event Initialized( address indexed underlyingAsset, address indexed pool, address treasury, address incentivesController, uint8 aTokenDecimals, string aTokenName, string aTokenSymbol, bytes params ); /** * @dev Initializes the aToken * @param pool The address of the lending pool where this aToken will be used * @param treasury The address of the Aave treasury, receiving the fees on this aToken * @param underlyingAsset The address of the underlying asset of this aToken (E.g. WETH for aWETH) * @param incentivesController The smart contract managing potential incentives distribution * @param aTokenDecimals The decimals of the aToken, same as the underlying asset's * @param aTokenName The name of the aToken * @param aTokenSymbol The symbol of the aToken */ function initialize( ILendingPool pool, address treasury, address underlyingAsset, IAaveIncentivesController incentivesController, uint8 aTokenDecimals, string calldata aTokenName, string calldata aTokenSymbol, bytes calldata params ) external; }
/contracts/interfaces/IInitializableDebtToken.sol
// SPDX-License-Identifier: agpl-3.0 pragma solidity 0.6.12; import {ILendingPool} from './ILendingPool.sol'; import {IAaveIncentivesController} from './IAaveIncentivesController.sol'; /** * @title IInitializableDebtToken * @notice Interface for the initialize function common between debt tokens * @author Aave **/ interface IInitializableDebtToken { /** * @dev Emitted when a debt token is initialized * @param underlyingAsset The address of the underlying asset * @param pool The address of the associated lending pool * @param incentivesController The address of the incentives controller for this aToken * @param debtTokenDecimals the decimals of the debt token * @param debtTokenName the name of the debt token * @param debtTokenSymbol the symbol of the debt token * @param params A set of encoded parameters for additional initialization **/ event Initialized( address indexed underlyingAsset, address indexed pool, address incentivesController, uint8 debtTokenDecimals, string debtTokenName, string debtTokenSymbol, bytes params ); /** * @dev Initializes the debt token. * @param pool The address of the lending pool where this aToken will be used * @param underlyingAsset The address of the underlying asset of this aToken (E.g. WETH for aWETH) * @param incentivesController The smart contract managing potential incentives distribution * @param debtTokenDecimals The decimals of the debtToken, same as the underlying asset's * @param debtTokenName The name of the token * @param debtTokenSymbol The symbol of the token */ function initialize( ILendingPool pool, address underlyingAsset, IAaveIncentivesController incentivesController, uint8 debtTokenDecimals, string memory debtTokenName, string memory debtTokenSymbol, bytes calldata params ) external; }
/contracts/interfaces/ILendingPool.sol
// SPDX-License-Identifier: agpl-3.0 pragma solidity 0.6.12; pragma experimental ABIEncoderV2; import {ILendingPoolAddressesProvider} from './ILendingPoolAddressesProvider.sol'; import {DataTypes} from '../protocol/libraries/types/DataTypes.sol'; interface ILendingPool { /** * @dev Emitted on deposit() * @param reserve The address of the underlying asset of the reserve * @param user The address initiating the deposit * @param onBehalfOf The beneficiary of the deposit, receiving the aTokens * @param amount The amount deposited * @param referral The referral code used **/ event Deposit( address indexed reserve, address user, address indexed onBehalfOf, uint256 amount, uint16 indexed referral ); /** * @dev Emitted on withdraw() * @param reserve The address of the underlyng asset being withdrawn * @param user The address initiating the withdrawal, owner of aTokens * @param to Address that will receive the underlying * @param amount The amount to be withdrawn **/ event Withdraw(address indexed reserve, address indexed user, address indexed to, uint256 amount); /** * @dev Emitted on borrow() and flashLoan() when debt needs to be opened * @param reserve The address of the underlying asset being borrowed * @param user The address of the user initiating the borrow(), receiving the funds on borrow() or just * initiator of the transaction on flashLoan() * @param onBehalfOf The address that will be getting the debt * @param amount The amount borrowed out * @param borrowRateMode The rate mode: 1 for Stable, 2 for Variable * @param borrowRate The numeric rate at which the user has borrowed * @param referral The referral code used **/ event Borrow( address indexed reserve, address user, address indexed onBehalfOf, uint256 amount, uint256 borrowRateMode, uint256 borrowRate, uint16 indexed referral ); /** * @dev Emitted on repay() * @param reserve The address of the underlying asset of the reserve * @param user The beneficiary of the repayment, getting his debt reduced * @param repayer The address of the user initiating the repay(), providing the funds * @param amount The amount repaid **/ event Repay( address indexed reserve, address indexed user, address indexed repayer, uint256 amount ); /** * @dev Emitted on swapBorrowRateMode() * @param reserve The address of the underlying asset of the reserve * @param user The address of the user swapping his rate mode * @param rateMode The rate mode that the user wants to swap to **/ event Swap(address indexed reserve, address indexed user, uint256 rateMode); /** * @dev Emitted on setUserUseReserveAsCollateral() * @param reserve The address of the underlying asset of the reserve * @param user The address of the user enabling the usage as collateral **/ event ReserveUsedAsCollateralEnabled(address indexed reserve, address indexed user); /** * @dev Emitted on setUserUseReserveAsCollateral() * @param reserve The address of the underlying asset of the reserve * @param user The address of the user enabling the usage as collateral **/ event ReserveUsedAsCollateralDisabled(address indexed reserve, address indexed user); /** * @dev Emitted on rebalanceStableBorrowRate() * @param reserve The address of the underlying asset of the reserve * @param user The address of the user for which the rebalance has been executed **/ event RebalanceStableBorrowRate(address indexed reserve, address indexed user); /** * @dev Emitted on flashLoan() * @param target The address of the flash loan receiver contract * @param initiator The address initiating the flash loan * @param asset The address of the asset being flash borrowed * @param amount The amount flash borrowed * @param premium The fee flash borrowed * @param referralCode The referral code used **/ event FlashLoan( address indexed target, address indexed initiator, address indexed asset, uint256 amount, uint256 premium, uint16 referralCode ); /** * @dev Emitted when the pause is triggered. */ event Paused(); /** * @dev Emitted when the pause is lifted. */ event Unpaused(); /** * @dev Emitted when a borrower is liquidated. This event is emitted by the LendingPool via * LendingPoolCollateral manager using a DELEGATECALL * This allows to have the events in the generated ABI for LendingPool. * @param collateralAsset The address of the underlying asset used as collateral, to receive as result of the liquidation * @param debtAsset The address of the underlying borrowed asset to be repaid with the liquidation * @param user The address of the borrower getting liquidated * @param debtToCover The debt amount of borrowed `asset` the liquidator wants to cover * @param liquidatedCollateralAmount The amount of collateral received by the liiquidator * @param liquidator The address of the liquidator * @param receiveAToken `true` if the liquidators wants to receive the collateral aTokens, `false` if he wants * to receive the underlying collateral asset directly **/ event LiquidationCall( address indexed collateralAsset, address indexed debtAsset, address indexed user, uint256 debtToCover, uint256 liquidatedCollateralAmount, address liquidator, bool receiveAToken ); /** * @dev Emitted when the state of a reserve is updated. NOTE: This event is actually declared * in the ReserveLogic library and emitted in the updateInterestRates() function. Since the function is internal, * the event will actually be fired by the LendingPool contract. The event is therefore replicated here so it * gets added to the LendingPool ABI * @param reserve The address of the underlying asset of the reserve * @param liquidityRate The new liquidity rate * @param stableBorrowRate The new stable borrow rate * @param variableBorrowRate The new variable borrow rate * @param liquidityIndex The new liquidity index * @param variableBorrowIndex The new variable borrow index **/ event ReserveDataUpdated( address indexed reserve, uint256 liquidityRate, uint256 stableBorrowRate, uint256 variableBorrowRate, uint256 liquidityIndex, uint256 variableBorrowIndex ); /** * @dev Deposits an `amount` of underlying asset into the reserve, receiving in return overlying aTokens. * - E.g. User deposits 100 USDC and gets in return 100 aUSDC * @param asset The address of the underlying asset to deposit * @param amount The amount to be deposited * @param onBehalfOf The address that will receive the aTokens, same as msg.sender if the user * wants to receive them on his own wallet, or a different address if the beneficiary of aTokens * is a different wallet * @param referralCode Code used to register the integrator originating the operation, for potential rewards. * 0 if the action is executed directly by the user, without any middle-man **/ function deposit( address asset, uint256 amount, address onBehalfOf, uint16 referralCode ) external; /** * @dev Withdraws an `amount` of underlying asset from the reserve, burning the equivalent aTokens owned * E.g. User has 100 aUSDC, calls withdraw() and receives 100 USDC, burning the 100 aUSDC * @param asset The address of the underlying asset to withdraw * @param amount The underlying amount to be withdrawn * - Send the value type(uint256).max in order to withdraw the whole aToken balance * @param to Address that will receive the underlying, same as msg.sender if the user * wants to receive it on his own wallet, or a different address if the beneficiary is a * different wallet * @return The final amount withdrawn **/ function withdraw( address asset, uint256 amount, address to ) external returns (uint256); /** * @dev Allows users to borrow a specific `amount` of the reserve underlying asset, provided that the borrower * already deposited enough collateral, or he was given enough allowance by a credit delegator on the * corresponding debt token (StableDebtToken or VariableDebtToken) * - E.g. User borrows 100 USDC passing as `onBehalfOf` his own address, receiving the 100 USDC in his wallet * and 100 stable/variable debt tokens, depending on the `interestRateMode` * @param asset The address of the underlying asset to borrow * @param amount The amount to be borrowed * @param interestRateMode The interest rate mode at which the user wants to borrow: 1 for Stable, 2 for Variable * @param referralCode Code used to register the integrator originating the operation, for potential rewards. * 0 if the action is executed directly by the user, without any middle-man * @param onBehalfOf Address of the user who will receive the debt. Should be the address of the borrower itself * calling the function if he wants to borrow against his own collateral, or the address of the credit delegator * if he has been given credit delegation allowance **/ function borrow( address asset, uint256 amount, uint256 interestRateMode, uint16 referralCode, address onBehalfOf ) external; /** * @notice Repays a borrowed `amount` on a specific reserve, burning the equivalent debt tokens owned * - E.g. User repays 100 USDC, burning 100 variable/stable debt tokens of the `onBehalfOf` address * @param asset The address of the borrowed underlying asset previously borrowed * @param amount The amount to repay * - Send the value type(uint256).max in order to repay the whole debt for `asset` on the specific `debtMode` * @param rateMode The interest rate mode at of the debt the user wants to repay: 1 for Stable, 2 for Variable * @param onBehalfOf Address of the user who will get his debt reduced/removed. Should be the address of the * user calling the function if he wants to reduce/remove his own debt, or the address of any other * other borrower whose debt should be removed * @return The final amount repaid **/ function repay( address asset, uint256 amount, uint256 rateMode, address onBehalfOf ) external returns (uint256); /** * @dev Allows a borrower to swap his debt between stable and variable mode, or viceversa * @param asset The address of the underlying asset borrowed * @param rateMode The rate mode that the user wants to swap to **/ function swapBorrowRateMode(address asset, uint256 rateMode) external; /** * @dev Rebalances the stable interest rate of a user to the current stable rate defined on the reserve. * - Users can be rebalanced if the following conditions are satisfied: * 1. Usage ratio is above 95% * 2. the current deposit APY is below REBALANCE_UP_THRESHOLD * maxVariableBorrowRate, which means that too much has been * borrowed at a stable rate and depositors are not earning enough * @param asset The address of the underlying asset borrowed * @param user The address of the user to be rebalanced **/ function rebalanceStableBorrowRate(address asset, address user) external; /** * @dev Allows depositors to enable/disable a specific deposited asset as collateral * @param asset The address of the underlying asset deposited * @param useAsCollateral `true` if the user wants to use the deposit as collateral, `false` otherwise **/ function setUserUseReserveAsCollateral(address asset, bool useAsCollateral) external; /** * @dev Function to liquidate a non-healthy position collateral-wise, with Health Factor below 1 * - The caller (liquidator) covers `debtToCover` amount of debt of the user getting liquidated, and receives * a proportionally amount of the `collateralAsset` plus a bonus to cover market risk * @param collateralAsset The address of the underlying asset used as collateral, to receive as result of the liquidation * @param debtAsset The address of the underlying borrowed asset to be repaid with the liquidation * @param user The address of the borrower getting liquidated * @param debtToCover The debt amount of borrowed `asset` the liquidator wants to cover * @param receiveAToken `true` if the liquidators wants to receive the collateral aTokens, `false` if he wants * to receive the underlying collateral asset directly **/ function liquidationCall( address collateralAsset, address debtAsset, address user, uint256 debtToCover, bool receiveAToken ) external; /** * @dev Allows smartcontracts to access the liquidity of the pool within one transaction, * as long as the amount taken plus a fee is returned. * IMPORTANT There are security concerns for developers of flashloan receiver contracts that must be kept into consideration. * For further details please visit https://developers.aave.com * @param receiverAddress The address of the contract receiving the funds, implementing the IFlashLoanReceiver interface * @param assets The addresses of the assets being flash-borrowed * @param amounts The amounts amounts being flash-borrowed * @param modes Types of the debt to open if the flash loan is not returned: * 0 -> Don't open any debt, just revert if funds can't be transferred from the receiver * 1 -> Open debt at stable rate for the value of the amount flash-borrowed to the `onBehalfOf` address * 2 -> Open debt at variable rate for the value of the amount flash-borrowed to the `onBehalfOf` address * @param onBehalfOf The address that will receive the debt in the case of using on `modes` 1 or 2 * @param params Variadic packed params to pass to the receiver as extra information * @param referralCode Code used to register the integrator originating the operation, for potential rewards. * 0 if the action is executed directly by the user, without any middle-man **/ function flashLoan( address receiverAddress, address[] calldata assets, uint256[] calldata amounts, uint256[] calldata modes, address onBehalfOf, bytes calldata params, uint16 referralCode ) external; /** * @dev Returns the user account data across all the reserves * @param user The address of the user * @return totalCollateralETH the total collateral in ETH of the user * @return totalDebtETH the total debt in ETH of the user * @return availableBorrowsETH the borrowing power left of the user * @return currentLiquidationThreshold the liquidation threshold of the user * @return ltv the loan to value of the user * @return healthFactor the current health factor of the user **/ function getUserAccountData(address user) external view returns ( uint256 totalCollateralETH, uint256 totalDebtETH, uint256 availableBorrowsETH, uint256 currentLiquidationThreshold, uint256 ltv, uint256 healthFactor ); function initReserve( address reserve, address aTokenAddress, address stableDebtAddress, address variableDebtAddress, address interestRateStrategyAddress ) external; function setReserveInterestRateStrategyAddress(address reserve, address rateStrategyAddress) external; function setConfiguration(address reserve, uint256 configuration) external; /** * @dev Returns the configuration of the reserve * @param asset The address of the underlying asset of the reserve * @return The configuration of the reserve **/ function getConfiguration(address asset) external view returns (DataTypes.ReserveConfigurationMap memory); /** * @dev Returns the configuration of the user across all the reserves * @param user The user address * @return The configuration of the user **/ function getUserConfiguration(address user) external view returns (DataTypes.UserConfigurationMap memory); /** * @dev Returns the normalized income normalized income of the reserve * @param asset The address of the underlying asset of the reserve * @return The reserve's normalized income */ function getReserveNormalizedIncome(address asset) external view returns (uint256); /** * @dev Returns the normalized variable debt per unit of asset * @param asset The address of the underlying asset of the reserve * @return The reserve normalized variable debt */ function getReserveNormalizedVariableDebt(address asset) external view returns (uint256); /** * @dev Returns the state and configuration of the reserve * @param asset The address of the underlying asset of the reserve * @return The state of the reserve **/ function getReserveData(address asset) external view returns (DataTypes.ReserveData memory); function finalizeTransfer( address asset, address from, address to, uint256 amount, uint256 balanceFromAfter, uint256 balanceToBefore ) external; function getReservesList() external view returns (address[] memory); function getAddressesProvider() external view returns (ILendingPoolAddressesProvider); function setPause(bool val) external; function paused() external view returns (bool); }
/contracts/interfaces/ILendingPoolAddressesProvider.sol
// SPDX-License-Identifier: agpl-3.0 pragma solidity 0.6.12; /** * @title LendingPoolAddressesProvider contract * @dev Main registry of addresses part of or connected to the protocol, including permissioned roles * - Acting also as factory of proxies and admin of those, so with right to change its implementations * - Owned by the Aave Governance * @author Aave **/ interface ILendingPoolAddressesProvider { event MarketIdSet(string newMarketId); event LendingPoolUpdated(address indexed newAddress); event ConfigurationAdminUpdated(address indexed newAddress); event EmergencyAdminUpdated(address indexed newAddress); event LendingPoolConfiguratorUpdated(address indexed newAddress); event LendingPoolCollateralManagerUpdated(address indexed newAddress); event PriceOracleUpdated(address indexed newAddress); event LendingRateOracleUpdated(address indexed newAddress); event ProxyCreated(bytes32 id, address indexed newAddress); event AddressSet(bytes32 id, address indexed newAddress, bool hasProxy); function getMarketId() external view returns (string memory); function setMarketId(string calldata marketId) external; function setAddress(bytes32 id, address newAddress) external; function setAddressAsProxy(bytes32 id, address impl) external; function getAddress(bytes32 id) external view returns (address); function getLendingPool() external view returns (address); function setLendingPoolImpl(address pool) external; function getLendingPoolConfigurator() external view returns (address); function setLendingPoolConfiguratorImpl(address configurator) external; function getLendingPoolCollateralManager() external view returns (address); function setLendingPoolCollateralManager(address manager) external; function getPoolAdmin() external view returns (address); function setPoolAdmin(address admin) external; function getEmergencyAdmin() external view returns (address); function setEmergencyAdmin(address admin) external; function getPriceOracle() external view returns (address); function setPriceOracle(address priceOracle) external; function getLendingRateOracle() external view returns (address); function setLendingRateOracle(address lendingRateOracle) external; }
/contracts/interfaces/ILendingPoolConfigurator.sol
// SPDX-License-Identifier: agpl-3.0 pragma solidity 0.6.12; pragma experimental ABIEncoderV2; interface ILendingPoolConfigurator { struct InitReserveInput { address aTokenImpl; address stableDebtTokenImpl; address variableDebtTokenImpl; uint8 underlyingAssetDecimals; address interestRateStrategyAddress; address underlyingAsset; address treasury; address incentivesController; string underlyingAssetName; string aTokenName; string aTokenSymbol; string variableDebtTokenName; string variableDebtTokenSymbol; string stableDebtTokenName; string stableDebtTokenSymbol; bytes params; } struct UpdateATokenInput { address asset; address treasury; address incentivesController; string name; string symbol; address implementation; bytes params; } struct UpdateDebtTokenInput { address asset; address incentivesController; string name; string symbol; address implementation; bytes params; } /** * @dev Emitted when a reserve is initialized. * @param asset The address of the underlying asset of the reserve * @param aToken The address of the associated aToken contract * @param stableDebtToken The address of the associated stable rate debt token * @param variableDebtToken The address of the associated variable rate debt token * @param interestRateStrategyAddress The address of the interest rate strategy for the reserve **/ event ReserveInitialized( address indexed asset, address indexed aToken, address stableDebtToken, address variableDebtToken, address interestRateStrategyAddress ); /** * @dev Emitted when borrowing is enabled on a reserve * @param asset The address of the underlying asset of the reserve * @param stableRateEnabled True if stable rate borrowing is enabled, false otherwise **/ event BorrowingEnabledOnReserve(address indexed asset, bool stableRateEnabled); /** * @dev Emitted when borrowing is disabled on a reserve * @param asset The address of the underlying asset of the reserve **/ event BorrowingDisabledOnReserve(address indexed asset); /** * @dev Emitted when the collateralization risk parameters for the specified asset are updated. * @param asset The address of the underlying asset of the reserve * @param ltv The loan to value of the asset when used as collateral * @param liquidationThreshold The threshold at which loans using this asset as collateral will be considered undercollateralized * @param liquidationBonus The bonus liquidators receive to liquidate this asset **/ event CollateralConfigurationChanged( address indexed asset, uint256 ltv, uint256 liquidationThreshold, uint256 liquidationBonus ); /** * @dev Emitted when stable rate borrowing is enabled on a reserve * @param asset The address of the underlying asset of the reserve **/ event StableRateEnabledOnReserve(address indexed asset); /** * @dev Emitted when stable rate borrowing is disabled on a reserve * @param asset The address of the underlying asset of the reserve **/ event StableRateDisabledOnReserve(address indexed asset); /** * @dev Emitted when a reserve is activated * @param asset The address of the underlying asset of the reserve **/ event ReserveActivated(address indexed asset); /** * @dev Emitted when a reserve is deactivated * @param asset The address of the underlying asset of the reserve **/ event ReserveDeactivated(address indexed asset); /** * @dev Emitted when a reserve is frozen * @param asset The address of the underlying asset of the reserve **/ event ReserveFrozen(address indexed asset); /** * @dev Emitted when a reserve is unfrozen * @param asset The address of the underlying asset of the reserve **/ event ReserveUnfrozen(address indexed asset); /** * @dev Emitted when a reserve factor is updated * @param asset The address of the underlying asset of the reserve * @param factor The new reserve factor **/ event ReserveFactorChanged(address indexed asset, uint256 factor); /** * @dev Emitted when the reserve decimals are updated * @param asset The address of the underlying asset of the reserve * @param decimals The new decimals **/ event ReserveDecimalsChanged(address indexed asset, uint256 decimals); /** * @dev Emitted when a reserve interest strategy contract is updated * @param asset The address of the underlying asset of the reserve * @param strategy The new address of the interest strategy contract **/ event ReserveInterestRateStrategyChanged(address indexed asset, address strategy); /** * @dev Emitted when an aToken implementation is upgraded * @param asset The address of the underlying asset of the reserve * @param proxy The aToken proxy address * @param implementation The new aToken implementation **/ event ATokenUpgraded( address indexed asset, address indexed proxy, address indexed implementation ); /** * @dev Emitted when the implementation of a stable debt token is upgraded * @param asset The address of the underlying asset of the reserve * @param proxy The stable debt token proxy address * @param implementation The new aToken implementation **/ event StableDebtTokenUpgraded( address indexed asset, address indexed proxy, address indexed implementation ); /** * @dev Emitted when the implementation of a variable debt token is upgraded * @param asset The address of the underlying asset of the reserve * @param proxy The variable debt token proxy address * @param implementation The new aToken implementation **/ event VariableDebtTokenUpgraded( address indexed asset, address indexed proxy, address indexed implementation ); }
/contracts/interfaces/ILendingRateOracle.sol
// SPDX-License-Identifier: agpl-3.0 pragma solidity 0.6.12; /** * @title ILendingRateOracle interface * @notice Interface for the Aave borrow rate oracle. Provides the average market borrow rate to be used as a base for the stable borrow rate calculations **/ interface ILendingRateOracle { /** @dev returns the market borrow rate in ray **/ function getMarketBorrowRate(address asset) external view returns (uint256); /** @dev sets the market borrow rate. Rate value must be in ray **/ function setMarketBorrowRate(address asset, uint256 rate) external; }
/contracts/interfaces/IPriceOracleGetter.sol
// SPDX-License-Identifier: agpl-3.0 pragma solidity 0.6.12; /** * @title IPriceOracleGetter interface * @notice Interface for the Aave price oracle. **/ interface IPriceOracleGetter { /** * @dev returns the asset price in ETH * @param asset the address of the asset * @return the ETH price of the asset **/ function getAssetPrice(address asset) external view returns (uint256); }
/contracts/interfaces/IReserveInterestRateStrategy.sol
// SPDX-License-Identifier: agpl-3.0 pragma solidity 0.6.12; /** * @title IReserveInterestRateStrategyInterface interface * @dev Interface for the calculation of the interest rates * @author Aave */ interface IReserveInterestRateStrategy { function baseVariableBorrowRate() external view returns (uint256); function getMaxVariableBorrowRate() external view returns (uint256); function calculateInterestRates( address reserve, uint256 availableLiquidity, uint256 totalStableDebt, uint256 totalVariableDebt, uint256 averageStableBorrowRate, uint256 reserveFactor ) external view returns ( uint256, uint256, uint256 ); function calculateInterestRates( address reserve, address aToken, uint256 liquidityAdded, uint256 liquidityTaken, uint256 totalStableDebt, uint256 totalVariableDebt, uint256 averageStableBorrowRate, uint256 reserveFactor ) external view returns ( uint256 liquidityRate, uint256 stableBorrowRate, uint256 variableBorrowRate ); }
/contracts/interfaces/IScaledBalanceToken.sol
// SPDX-License-Identifier: agpl-3.0 pragma solidity 0.6.12; interface IScaledBalanceToken { /** * @dev Returns the scaled balance of the user. The scaled balance is the sum of all the * updated stored balance divided by the reserve's liquidity index at the moment of the update * @param user The user whose balance is calculated * @return The scaled balance of the user **/ function scaledBalanceOf(address user) external view returns (uint256); /** * @dev Returns the scaled balance of the user and the scaled total supply. * @param user The address of the user * @return The scaled balance of the user * @return The scaled balance and the scaled total supply **/ function getScaledUserBalanceAndSupply(address user) external view returns (uint256, uint256); /** * @dev Returns the scaled total supply of the variable debt token. Represents sum(debt/index) * @return The scaled total supply **/ function scaledTotalSupply() external view returns (uint256); }
/contracts/interfaces/IStableDebtToken.sol
// SPDX-License-Identifier: agpl-3.0 pragma solidity 0.6.12; import {IInitializableDebtToken} from './IInitializableDebtToken.sol'; import {IAaveIncentivesController} from './IAaveIncentivesController.sol'; /** * @title 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 is IInitializableDebtToken { /** * @dev Emitted when new stable debt is minted * @param user The address of the user who triggered the minting * @param onBehalfOf The recipient of stable debt tokens * @param amount The amount minted * @param currentBalance The current balance of the user * @param balanceIncrease The increase in balance since the last action of the user * @param newRate The rate of the debt after the minting * @param avgStableRate The new average stable rate after the minting * @param newTotalSupply The new total supply of the stable debt token after the action **/ event Mint( address indexed user, address indexed onBehalfOf, uint256 amount, uint256 currentBalance, uint256 balanceIncrease, uint256 newRate, uint256 avgStableRate, uint256 newTotalSupply ); /** * @dev Emitted when new stable debt is burned * @param user The address of the user * @param amount The amount being burned * @param currentBalance The current balance of the user * @param balanceIncrease The the increase in balance since the last action of the user * @param avgStableRate The new average stable rate after the burning * @param newTotalSupply The new total supply of the stable debt token after the action **/ event Burn( address indexed user, uint256 amount, uint256 currentBalance, uint256 balanceIncrease, uint256 avgStableRate, uint256 newTotalSupply ); /** * @dev Mints debt token to the `onBehalfOf` address. * - 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 receiving the borrowed underlying, being the delegatee in case * of credit delegate, or same as `onBehalfOf` otherwise * @param onBehalfOf The address receiving the debt tokens * @param amount The amount of debt tokens to mint * @param rate The rate of the debt being minted **/ function mint( address user, address onBehalfOf, uint256 amount, uint256 rate ) external returns (bool); /** * @dev Burns debt of `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 getting his debt burned * @param amount The amount of debt tokens getting burned **/ 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); /** * @dev Returns the principal, the total supply and the average stable rate **/ function getSupplyData() external view returns ( uint256, uint256, uint256, uint40 ); /** * @dev Returns the timestamp of the last update of the total supply * @return The timestamp **/ function getTotalSupplyLastUpdated() external view returns (uint40); /** * @dev Returns the total supply and the average stable rate **/ function getTotalSupplyAndAvgRate() external view returns (uint256, uint256); /** * @dev Returns the principal debt balance of the user * @return The debt balance of the user since the last burn/mint action **/ function principalBalanceOf(address user) external view returns (uint256); /** * @dev Returns the address of the incentives controller contract **/ function getIncentivesController() external view returns (IAaveIncentivesController); }
/contracts/interfaces/IVariableDebtToken.sol
// SPDX-License-Identifier: agpl-3.0 pragma solidity 0.6.12; import {IScaledBalanceToken} from './IScaledBalanceToken.sol'; import {IInitializableDebtToken} from './IInitializableDebtToken.sol'; import {IAaveIncentivesController} from './IAaveIncentivesController.sol'; /** * @title IVariableDebtToken * @author Aave * @notice Defines the basic interface for a variable debt token. **/ interface IVariableDebtToken is IScaledBalanceToken, IInitializableDebtToken { /** * @dev Emitted after the mint action * @param from The address performing the mint * @param onBehalfOf The address of the user on which behalf minting has been performed * @param value The amount to be minted * @param index The last index of the reserve **/ event Mint(address indexed from, address indexed onBehalfOf, uint256 value, uint256 index); /** * @dev Mints debt token to the `onBehalfOf` address * @param user The address receiving the borrowed underlying, being the delegatee in case * of credit delegate, or same as `onBehalfOf` otherwise * @param onBehalfOf The address receiving the debt tokens * @param amount The amount of debt being minted * @param index The variable debt index of the reserve * @return `true` if the the previous balance of the user is 0 **/ function mint( address user, address onBehalfOf, uint256 amount, uint256 index ) external returns (bool); /** * @dev Emitted when variable debt is burnt * @param user The user which debt has been burned * @param amount The amount of debt being burned * @param index The index of the user **/ event Burn(address indexed user, uint256 amount, uint256 index); /** * @dev Burns user variable debt * @param user The user which debt is burnt * @param index The variable debt index of the reserve **/ function burn( address user, uint256 amount, uint256 index ) external; /** * @dev Returns the address of the incentives controller contract **/ function getIncentivesController() external view returns (IAaveIncentivesController); }
/contracts/protocol/configuration/LendingPoolAddressesProvider.sol
// SPDX-License-Identifier: agpl-3.0 pragma solidity 0.6.12; import {Ownable} from '../../dependencies/openzeppelin/contracts/Ownable.sol'; // Prettier ignore to prevent buidler flatter bug // prettier-ignore import {InitializableImmutableAdminUpgradeabilityProxy} from '../libraries/aave-upgradeability/InitializableImmutableAdminUpgradeabilityProxy.sol'; import {ILendingPoolAddressesProvider} from '../../interfaces/ILendingPoolAddressesProvider.sol'; /** * @title LendingPoolAddressesProvider contract * @dev Main registry of addresses part of or connected to the protocol, including permissioned roles * - Acting also as factory of proxies and admin of those, so with right to change its implementations * - Owned by the Aave Governance * @author Aave **/ contract LendingPoolAddressesProvider is Ownable, ILendingPoolAddressesProvider { string private _marketId; mapping(bytes32 => address) private _addresses; bytes32 private constant LENDING_POOL = 'LENDING_POOL'; bytes32 private constant LENDING_POOL_CONFIGURATOR = 'LENDING_POOL_CONFIGURATOR'; bytes32 private constant POOL_ADMIN = 'POOL_ADMIN'; bytes32 private constant EMERGENCY_ADMIN = 'EMERGENCY_ADMIN'; bytes32 private constant LENDING_POOL_COLLATERAL_MANAGER = 'COLLATERAL_MANAGER'; bytes32 private constant PRICE_ORACLE = 'PRICE_ORACLE'; bytes32 private constant LENDING_RATE_ORACLE = 'LENDING_RATE_ORACLE'; constructor(string memory marketId) public { _setMarketId(marketId); } /** * @dev Returns the id of the Aave market to which this contracts points to * @return The market id **/ function getMarketId() external view override returns (string memory) { return _marketId; } /** * @dev Allows to set the market which this LendingPoolAddressesProvider represents * @param marketId The market id */ function setMarketId(string memory marketId) external override onlyOwner { _setMarketId(marketId); } /** * @dev General function to update the implementation of a proxy registered with * certain `id`. If there is no proxy registered, it will instantiate one and * set as implementation the `implementationAddress` * IMPORTANT Use this function carefully, only for ids that don't have an explicit * setter function, in order to avoid unexpected consequences * @param id The id * @param implementationAddress The address of the new implementation */ function setAddressAsProxy(bytes32 id, address implementationAddress) external override onlyOwner { _updateImpl(id, implementationAddress); emit AddressSet(id, implementationAddress, true); } /** * @dev Sets an address for an id replacing the address saved in the addresses map * IMPORTANT Use this function carefully, as it will do a hard replacement * @param id The id * @param newAddress The address to set */ function setAddress(bytes32 id, address newAddress) external override onlyOwner { _addresses[id] = newAddress; emit AddressSet(id, newAddress, false); } /** * @dev Returns an address by id * @return The address */ function getAddress(bytes32 id) public view override returns (address) { return _addresses[id]; } /** * @dev Returns the address of the LendingPool proxy * @return The LendingPool proxy address **/ function getLendingPool() external view override returns (address) { return getAddress(LENDING_POOL); } /** * @dev Updates the implementation of the LendingPool, or creates the proxy * setting the new `pool` implementation on the first time calling it * @param pool The new LendingPool implementation **/ function setLendingPoolImpl(address pool) external override onlyOwner { _updateImpl(LENDING_POOL, pool); emit LendingPoolUpdated(pool); } /** * @dev Returns the address of the LendingPoolConfigurator proxy * @return The LendingPoolConfigurator proxy address **/ function getLendingPoolConfigurator() external view override returns (address) { return getAddress(LENDING_POOL_CONFIGURATOR); } /** * @dev Updates the implementation of the LendingPoolConfigurator, or creates the proxy * setting the new `configurator` implementation on the first time calling it * @param configurator The new LendingPoolConfigurator implementation **/ function setLendingPoolConfiguratorImpl(address configurator) external override onlyOwner { _updateImpl(LENDING_POOL_CONFIGURATOR, configurator); emit LendingPoolConfiguratorUpdated(configurator); } /** * @dev Returns the address of the LendingPoolCollateralManager. Since the manager is used * through delegateCall within the LendingPool contract, the proxy contract pattern does not work properly hence * the addresses are changed directly * @return The address of the LendingPoolCollateralManager **/ function getLendingPoolCollateralManager() external view override returns (address) { return getAddress(LENDING_POOL_COLLATERAL_MANAGER); } /** * @dev Updates the address of the LendingPoolCollateralManager * @param manager The new LendingPoolCollateralManager address **/ function setLendingPoolCollateralManager(address manager) external override onlyOwner { _addresses[LENDING_POOL_COLLATERAL_MANAGER] = manager; emit LendingPoolCollateralManagerUpdated(manager); } /** * @dev The functions below are getters/setters of addresses that are outside the context * of the protocol hence the upgradable proxy pattern is not used **/ function getPoolAdmin() external view override returns (address) { return getAddress(POOL_ADMIN); } function setPoolAdmin(address admin) external override onlyOwner { _addresses[POOL_ADMIN] = admin; emit ConfigurationAdminUpdated(admin); } function getEmergencyAdmin() external view override returns (address) { return getAddress(EMERGENCY_ADMIN); } function setEmergencyAdmin(address emergencyAdmin) external override onlyOwner { _addresses[EMERGENCY_ADMIN] = emergencyAdmin; emit EmergencyAdminUpdated(emergencyAdmin); } function getPriceOracle() external view override returns (address) { return getAddress(PRICE_ORACLE); } function setPriceOracle(address priceOracle) external override onlyOwner { _addresses[PRICE_ORACLE] = priceOracle; emit PriceOracleUpdated(priceOracle); } function getLendingRateOracle() external view override returns (address) { return getAddress(LENDING_RATE_ORACLE); } function setLendingRateOracle(address lendingRateOracle) external override onlyOwner { _addresses[LENDING_RATE_ORACLE] = lendingRateOracle; emit LendingRateOracleUpdated(lendingRateOracle); } /** * @dev Internal function to update the implementation of a specific proxied component of the protocol * - If there is no proxy registered in the given `id`, it creates the proxy setting `newAdress` * as implementation and calls the initialize() function on the proxy * - If there is already a proxy registered, it just updates the implementation to `newAddress` and * calls the initialize() function via upgradeToAndCall() in the proxy * @param id The id of the proxy to be updated * @param newAddress The address of the new implementation **/ function _updateImpl(bytes32 id, address newAddress) internal { address payable proxyAddress = payable(_addresses[id]); InitializableImmutableAdminUpgradeabilityProxy proxy = InitializableImmutableAdminUpgradeabilityProxy(proxyAddress); bytes memory params = abi.encodeWithSignature('initialize(address)', address(this)); if (proxyAddress == address(0)) { proxy = new InitializableImmutableAdminUpgradeabilityProxy(address(this)); proxy.initialize(newAddress, params); _addresses[id] = address(proxy); emit ProxyCreated(id, address(proxy)); } else { proxy.upgradeToAndCall(newAddress, params); } } function _setMarketId(string memory marketId) internal { _marketId = marketId; emit MarketIdSet(marketId); } }
/contracts/protocol/lendingpool/DefaultReserveInterestRateStrategy.sol
// SPDX-License-Identifier: agpl-3.0 pragma solidity 0.6.12; import {SafeMath} from '../../dependencies/openzeppelin/contracts/SafeMath.sol'; import {IReserveInterestRateStrategy} from '../../interfaces/IReserveInterestRateStrategy.sol'; import {WadRayMath} from '../libraries/math/WadRayMath.sol'; import {PercentageMath} from '../libraries/math/PercentageMath.sol'; import {ILendingPoolAddressesProvider} from '../../interfaces/ILendingPoolAddressesProvider.sol'; import {ILendingRateOracle} from '../../interfaces/ILendingRateOracle.sol'; import {IERC20} from '../../dependencies/openzeppelin/contracts/IERC20.sol'; import 'hardhat/console.sol'; /** * @title DefaultReserveInterestRateStrategy contract * @notice Implements the calculation of the interest rates depending on the reserve state * @dev The model of interest rate is based on 2 slopes, one before the `OPTIMAL_UTILIZATION_RATE` * point of utilization and another from that one to 100% * - An instance of this same contract, can't be used across different Aave markets, due to the caching * of the LendingPoolAddressesProvider * @author Aave **/ contract DefaultReserveInterestRateStrategy is IReserveInterestRateStrategy { using WadRayMath for uint256; using SafeMath for uint256; using PercentageMath for uint256; /** * @dev this constant represents the utilization rate at which the pool aims to obtain most competitive borrow rates. * Expressed in ray **/ uint256 public immutable OPTIMAL_UTILIZATION_RATE; /** * @dev This constant represents the excess utilization rate above the optimal. It's always equal to * 1-optimal utilization rate. Added as a constant here for gas optimizations. * Expressed in ray **/ uint256 public immutable EXCESS_UTILIZATION_RATE; ILendingPoolAddressesProvider public immutable addressesProvider; // Base variable borrow rate when Utilization rate = 0. Expressed in ray uint256 internal immutable _baseVariableBorrowRate; // Slope of the variable interest curve when utilization rate > 0 and <= OPTIMAL_UTILIZATION_RATE. Expressed in ray uint256 internal immutable _variableRateSlope1; // Slope of the variable interest curve when utilization rate > OPTIMAL_UTILIZATION_RATE. Expressed in ray uint256 internal immutable _variableRateSlope2; // Slope of the stable interest curve when utilization rate > 0 and <= OPTIMAL_UTILIZATION_RATE. Expressed in ray uint256 internal immutable _stableRateSlope1; // Slope of the stable interest curve when utilization rate > OPTIMAL_UTILIZATION_RATE. Expressed in ray uint256 internal immutable _stableRateSlope2; constructor( ILendingPoolAddressesProvider provider, uint256 optimalUtilizationRate, uint256 baseVariableBorrowRate, uint256 variableRateSlope1, uint256 variableRateSlope2, uint256 stableRateSlope1, uint256 stableRateSlope2 ) public { OPTIMAL_UTILIZATION_RATE = optimalUtilizationRate; EXCESS_UTILIZATION_RATE = WadRayMath.ray().sub(optimalUtilizationRate); addressesProvider = provider; _baseVariableBorrowRate = baseVariableBorrowRate; _variableRateSlope1 = variableRateSlope1; _variableRateSlope2 = variableRateSlope2; _stableRateSlope1 = stableRateSlope1; _stableRateSlope2 = stableRateSlope2; } function variableRateSlope1() external view returns (uint256) { return _variableRateSlope1; } function variableRateSlope2() external view returns (uint256) { return _variableRateSlope2; } function stableRateSlope1() external view returns (uint256) { return _stableRateSlope1; } function stableRateSlope2() external view returns (uint256) { return _stableRateSlope2; } function baseVariableBorrowRate() external view override returns (uint256) { return _baseVariableBorrowRate; } function getMaxVariableBorrowRate() external view override returns (uint256) { return _baseVariableBorrowRate.add(_variableRateSlope1).add(_variableRateSlope2); } /** * @dev Calculates the interest rates depending on the reserve's state and configurations * @param reserve The address of the reserve * @param liquidityAdded The liquidity added during the operation * @param liquidityTaken The liquidity taken during the operation * @param totalStableDebt The total borrowed from the reserve a stable rate * @param totalVariableDebt The total borrowed from the reserve at a variable rate * @param averageStableBorrowRate The weighted average of all the stable rate loans * @param reserveFactor The reserve portion of the interest that goes to the treasury of the market * @return The liquidity rate, the stable borrow rate and the variable borrow rate **/ function calculateInterestRates( address reserve, address aToken, uint256 liquidityAdded, uint256 liquidityTaken, uint256 totalStableDebt, uint256 totalVariableDebt, uint256 averageStableBorrowRate, uint256 reserveFactor ) external view override returns ( uint256, uint256, uint256 ) { uint256 availableLiquidity = IERC20(reserve).balanceOf(aToken); //avoid stack too deep availableLiquidity = availableLiquidity.add(liquidityAdded).sub(liquidityTaken); return calculateInterestRates( reserve, availableLiquidity, totalStableDebt, totalVariableDebt, averageStableBorrowRate, reserveFactor ); } struct CalcInterestRatesLocalVars { uint256 totalDebt; uint256 currentVariableBorrowRate; uint256 currentStableBorrowRate; uint256 currentLiquidityRate; uint256 utilizationRate; } /** * @dev Calculates the interest rates depending on the reserve's state and configurations. * NOTE This function is kept for compatibility with the previous DefaultInterestRateStrategy interface. * New protocol implementation uses the new calculateInterestRates() interface * @param reserve The address of the reserve * @param availableLiquidity The liquidity available in the corresponding aToken * @param totalStableDebt The total borrowed from the reserve a stable rate * @param totalVariableDebt The total borrowed from the reserve at a variable rate * @param averageStableBorrowRate The weighted average of all the stable rate loans * @param reserveFactor The reserve portion of the interest that goes to the treasury of the market * @return The liquidity rate, the stable borrow rate and the variable borrow rate **/ function calculateInterestRates( address reserve, uint256 availableLiquidity, uint256 totalStableDebt, uint256 totalVariableDebt, uint256 averageStableBorrowRate, uint256 reserveFactor ) public view override returns ( uint256, uint256, uint256 ) { CalcInterestRatesLocalVars memory vars; vars.totalDebt = totalStableDebt.add(totalVariableDebt); vars.currentVariableBorrowRate = 0; vars.currentStableBorrowRate = 0; vars.currentLiquidityRate = 0; vars.utilizationRate = vars.totalDebt == 0 ? 0 : vars.totalDebt.rayDiv(availableLiquidity.add(vars.totalDebt)); vars.currentStableBorrowRate = ILendingRateOracle(addressesProvider.getLendingRateOracle()) .getMarketBorrowRate(reserve); if (vars.utilizationRate > OPTIMAL_UTILIZATION_RATE) { uint256 excessUtilizationRateRatio = vars.utilizationRate.sub(OPTIMAL_UTILIZATION_RATE).rayDiv(EXCESS_UTILIZATION_RATE); vars.currentStableBorrowRate = vars.currentStableBorrowRate.add(_stableRateSlope1).add( _stableRateSlope2.rayMul(excessUtilizationRateRatio) ); vars.currentVariableBorrowRate = _baseVariableBorrowRate.add(_variableRateSlope1).add( _variableRateSlope2.rayMul(excessUtilizationRateRatio) ); } else { vars.currentStableBorrowRate = vars.currentStableBorrowRate.add( _stableRateSlope1.rayMul(vars.utilizationRate.rayDiv(OPTIMAL_UTILIZATION_RATE)) ); vars.currentVariableBorrowRate = _baseVariableBorrowRate.add( vars.utilizationRate.rayMul(_variableRateSlope1).rayDiv(OPTIMAL_UTILIZATION_RATE) ); } vars.currentLiquidityRate = _getOverallBorrowRate( totalStableDebt, totalVariableDebt, vars .currentVariableBorrowRate, averageStableBorrowRate ) .rayMul(vars.utilizationRate) .percentMul(PercentageMath.PERCENTAGE_FACTOR.sub(reserveFactor)); return ( vars.currentLiquidityRate, vars.currentStableBorrowRate, vars.currentVariableBorrowRate ); } /** * @dev Calculates the overall borrow rate as the weighted average between the total variable debt and total stable debt * @param totalStableDebt The total borrowed from the reserve a stable rate * @param totalVariableDebt The total borrowed from the reserve at a variable rate * @param currentVariableBorrowRate The current variable borrow rate of the reserve * @param currentAverageStableBorrowRate The current weighted average of all the stable rate loans * @return The weighted averaged borrow rate **/ function _getOverallBorrowRate( uint256 totalStableDebt, uint256 totalVariableDebt, uint256 currentVariableBorrowRate, uint256 currentAverageStableBorrowRate ) internal pure returns (uint256) { uint256 totalDebt = totalStableDebt.add(totalVariableDebt); if (totalDebt == 0) return 0; uint256 weightedVariableRate = totalVariableDebt.wadToRay().rayMul(currentVariableBorrowRate); uint256 weightedStableRate = totalStableDebt.wadToRay().rayMul(currentAverageStableBorrowRate); uint256 overallBorrowRate = weightedVariableRate.add(weightedStableRate).rayDiv(totalDebt.wadToRay()); return overallBorrowRate; } }
/contracts/protocol/lendingpool/LendingPool.sol
// SPDX-License-Identifier: agpl-3.0 pragma solidity 0.6.12; pragma experimental ABIEncoderV2; import {SafeMath} from '../../dependencies/openzeppelin/contracts/SafeMath.sol'; import {IERC20} from '../../dependencies/openzeppelin/contracts/IERC20.sol'; import {SafeERC20} from '../../dependencies/openzeppelin/contracts/SafeERC20.sol'; import {Address} from '../../dependencies/openzeppelin/contracts/Address.sol'; import {ILendingPoolAddressesProvider} from '../../interfaces/ILendingPoolAddressesProvider.sol'; import {IAToken} from '../../interfaces/IAToken.sol'; import {IVariableDebtToken} from '../../interfaces/IVariableDebtToken.sol'; import {IFlashLoanReceiver} from '../../flashloan/interfaces/IFlashLoanReceiver.sol'; import {IPriceOracleGetter} from '../../interfaces/IPriceOracleGetter.sol'; import {IStableDebtToken} from '../../interfaces/IStableDebtToken.sol'; import {ILendingPool} from '../../interfaces/ILendingPool.sol'; import {VersionedInitializable} from '../libraries/aave-upgradeability/VersionedInitializable.sol'; import {Helpers} from '../libraries/helpers/Helpers.sol'; import {Errors} from '../libraries/helpers/Errors.sol'; import {WadRayMath} from '../libraries/math/WadRayMath.sol'; import {PercentageMath} from '../libraries/math/PercentageMath.sol'; import {ReserveLogic} from '../libraries/logic/ReserveLogic.sol'; import {GenericLogic} from '../libraries/logic/GenericLogic.sol'; import {ValidationLogic} from '../libraries/logic/ValidationLogic.sol'; import {ReserveConfiguration} from '../libraries/configuration/ReserveConfiguration.sol'; import {UserConfiguration} from '../libraries/configuration/UserConfiguration.sol'; import {DataTypes} from '../libraries/types/DataTypes.sol'; import {LendingPoolStorage} from './LendingPoolStorage.sol'; /** * @title LendingPool contract * @dev Main point of interaction with an Aave protocol's market * - Users can: * # Deposit * # Withdraw * # Borrow * # Repay * # Swap their loans between variable and stable rate * # Enable/disable their deposits as collateral rebalance stable rate borrow positions * # Liquidate positions * # Execute Flash Loans * - To be covered by a proxy contract, owned by the LendingPoolAddressesProvider of the specific market * - All admin functions are callable by the LendingPoolConfigurator contract defined also in the * LendingPoolAddressesProvider * @author Aave **/ contract LendingPool is VersionedInitializable, ILendingPool, LendingPoolStorage { using SafeMath for uint256; using WadRayMath for uint256; using PercentageMath for uint256; using SafeERC20 for IERC20; uint256 public constant LENDINGPOOL_REVISION = 0x2; modifier whenNotPaused() { _whenNotPaused(); _; } modifier onlyLendingPoolConfigurator() { _onlyLendingPoolConfigurator(); _; } function _whenNotPaused() internal view { require(!_paused, Errors.LP_IS_PAUSED); } function _onlyLendingPoolConfigurator() internal view { require( _addressesProvider.getLendingPoolConfigurator() == msg.sender, Errors.LP_CALLER_NOT_LENDING_POOL_CONFIGURATOR ); } function getRevision() internal pure override returns (uint256) { return LENDINGPOOL_REVISION; } /** * @dev Function is invoked by the proxy contract when the LendingPool contract is added to the * LendingPoolAddressesProvider of the market. * - Caching the address of the LendingPoolAddressesProvider in order to reduce gas consumption * on subsequent operations * @param provider The address of the LendingPoolAddressesProvider **/ function initialize(ILendingPoolAddressesProvider provider) public initializer { _addressesProvider = provider; _maxStableRateBorrowSizePercent = 2500; _flashLoanPremiumTotal = 9; _maxNumberOfReserves = 128; } /** * @dev Deposits an `amount` of underlying asset into the reserve, receiving in return overlying aTokens. * - E.g. User deposits 100 USDC and gets in return 100 aUSDC * @param asset The address of the underlying asset to deposit * @param amount The amount to be deposited * @param onBehalfOf The address that will receive the aTokens, same as msg.sender if the user * wants to receive them on his own wallet, or a different address if the beneficiary of aTokens * is a different wallet * @param referralCode Code used to register the integrator originating the operation, for potential rewards. * 0 if the action is executed directly by the user, without any middle-man **/ function deposit( address asset, uint256 amount, address onBehalfOf, uint16 referralCode ) external override whenNotPaused { DataTypes.ReserveData storage reserve = _reserves[asset]; ValidationLogic.validateDeposit(reserve, amount); address aToken = reserve.aTokenAddress; reserve.updateState(); reserve.updateInterestRates(asset, aToken, amount, 0); IERC20(asset).safeTransferFrom(msg.sender, aToken, amount); bool isFirstDeposit = IAToken(aToken).mint(onBehalfOf, amount, reserve.liquidityIndex); if (isFirstDeposit) { _usersConfig[onBehalfOf].setUsingAsCollateral(reserve.id, true); emit ReserveUsedAsCollateralEnabled(asset, onBehalfOf); } emit Deposit(asset, msg.sender, onBehalfOf, amount, referralCode); } /** * @dev Withdraws an `amount` of underlying asset from the reserve, burning the equivalent aTokens owned * E.g. User has 100 aUSDC, calls withdraw() and receives 100 USDC, burning the 100 aUSDC * @param asset The address of the underlying asset to withdraw * @param amount The underlying amount to be withdrawn * - Send the value type(uint256).max in order to withdraw the whole aToken balance * @param to Address that will receive the underlying, same as msg.sender if the user * wants to receive it on his own wallet, or a different address if the beneficiary is a * different wallet * @return The final amount withdrawn **/ function withdraw( address asset, uint256 amount, address to ) external override whenNotPaused returns (uint256) { DataTypes.ReserveData storage reserve = _reserves[asset]; address aToken = reserve.aTokenAddress; uint256 userBalance = IAToken(aToken).balanceOf(msg.sender); uint256 amountToWithdraw = amount; if (amount == type(uint256).max) { amountToWithdraw = userBalance; } ValidationLogic.validateWithdraw( asset, amountToWithdraw, userBalance, _reserves, _usersConfig[msg.sender], _reservesList, _reservesCount, _addressesProvider.getPriceOracle() ); reserve.updateState(); reserve.updateInterestRates(asset, aToken, 0, amountToWithdraw); if (amountToWithdraw == userBalance) { _usersConfig[msg.sender].setUsingAsCollateral(reserve.id, false); emit ReserveUsedAsCollateralDisabled(asset, msg.sender); } IAToken(aToken).burn(msg.sender, to, amountToWithdraw, reserve.liquidityIndex); emit Withdraw(asset, msg.sender, to, amountToWithdraw); return amountToWithdraw; } /** * @dev Allows users to borrow a specific `amount` of the reserve underlying asset, provided that the borrower * already deposited enough collateral, or he was given enough allowance by a credit delegator on the * corresponding debt token (StableDebtToken or VariableDebtToken) * - E.g. User borrows 100 USDC passing as `onBehalfOf` his own address, receiving the 100 USDC in his wallet * and 100 stable/variable debt tokens, depending on the `interestRateMode` * @param asset The address of the underlying asset to borrow * @param amount The amount to be borrowed * @param interestRateMode The interest rate mode at which the user wants to borrow: 1 for Stable, 2 for Variable * @param referralCode Code used to register the integrator originating the operation, for potential rewards. * 0 if the action is executed directly by the user, without any middle-man * @param onBehalfOf Address of the user who will receive the debt. Should be the address of the borrower itself * calling the function if he wants to borrow against his own collateral, or the address of the credit delegator * if he has been given credit delegation allowance **/ function borrow( address asset, uint256 amount, uint256 interestRateMode, uint16 referralCode, address onBehalfOf ) external override whenNotPaused { DataTypes.ReserveData storage reserve = _reserves[asset]; _executeBorrow( ExecuteBorrowParams( asset, msg.sender, onBehalfOf, amount, interestRateMode, reserve.aTokenAddress, referralCode, true ) ); } /** * @notice Repays a borrowed `amount` on a specific reserve, burning the equivalent debt tokens owned * - E.g. User repays 100 USDC, burning 100 variable/stable debt tokens of the `onBehalfOf` address * @param asset The address of the borrowed underlying asset previously borrowed * @param amount The amount to repay * - Send the value type(uint256).max in order to repay the whole debt for `asset` on the specific `debtMode` * @param rateMode The interest rate mode at of the debt the user wants to repay: 1 for Stable, 2 for Variable * @param onBehalfOf Address of the user who will get his debt reduced/removed. Should be the address of the * user calling the function if he wants to reduce/remove his own debt, or the address of any other * other borrower whose debt should be removed * @return The final amount repaid **/ function repay( address asset, uint256 amount, uint256 rateMode, address onBehalfOf ) external override whenNotPaused returns (uint256) { DataTypes.ReserveData storage reserve = _reserves[asset]; (uint256 stableDebt, uint256 variableDebt) = Helpers.getUserCurrentDebt(onBehalfOf, reserve); DataTypes.InterestRateMode interestRateMode = DataTypes.InterestRateMode(rateMode); ValidationLogic.validateRepay( reserve, amount, interestRateMode, onBehalfOf, stableDebt, variableDebt ); uint256 paybackAmount = interestRateMode == DataTypes.InterestRateMode.STABLE ? stableDebt : variableDebt; if (amount < paybackAmount) { paybackAmount = amount; } reserve.updateState(); if (interestRateMode == DataTypes.InterestRateMode.STABLE) { IStableDebtToken(reserve.stableDebtTokenAddress).burn(onBehalfOf, paybackAmount); } else { IVariableDebtToken(reserve.variableDebtTokenAddress).burn( onBehalfOf, paybackAmount, reserve.variableBorrowIndex ); } address aToken = reserve.aTokenAddress; reserve.updateInterestRates(asset, aToken, paybackAmount, 0); if (stableDebt.add(variableDebt).sub(paybackAmount) == 0) { _usersConfig[onBehalfOf].setBorrowing(reserve.id, false); } IERC20(asset).safeTransferFrom(msg.sender, aToken, paybackAmount); IAToken(aToken).handleRepayment(msg.sender, paybackAmount); emit Repay(asset, onBehalfOf, msg.sender, paybackAmount); return paybackAmount; } /** * @dev Allows a borrower to swap his debt between stable and variable mode, or viceversa * @param asset The address of the underlying asset borrowed * @param rateMode The rate mode that the user wants to swap to **/ function swapBorrowRateMode(address asset, uint256 rateMode) external override whenNotPaused { DataTypes.ReserveData storage reserve = _reserves[asset]; (uint256 stableDebt, uint256 variableDebt) = Helpers.getUserCurrentDebt(msg.sender, reserve); DataTypes.InterestRateMode interestRateMode = DataTypes.InterestRateMode(rateMode); ValidationLogic.validateSwapRateMode( reserve, _usersConfig[msg.sender], stableDebt, variableDebt, interestRateMode ); reserve.updateState(); if (interestRateMode == DataTypes.InterestRateMode.STABLE) { IStableDebtToken(reserve.stableDebtTokenAddress).burn(msg.sender, stableDebt); IVariableDebtToken(reserve.variableDebtTokenAddress).mint( msg.sender, msg.sender, stableDebt, reserve.variableBorrowIndex ); } else { IVariableDebtToken(reserve.variableDebtTokenAddress).burn( msg.sender, variableDebt, reserve.variableBorrowIndex ); IStableDebtToken(reserve.stableDebtTokenAddress).mint( msg.sender, msg.sender, variableDebt, reserve.currentStableBorrowRate ); } reserve.updateInterestRates(asset, reserve.aTokenAddress, 0, 0); emit Swap(asset, msg.sender, rateMode); } /** * @dev Rebalances the stable interest rate of a user to the current stable rate defined on the reserve. * - Users can be rebalanced if the following conditions are satisfied: * 1. Usage ratio is above 95% * 2. the current deposit APY is below REBALANCE_UP_THRESHOLD * maxVariableBorrowRate, which means that too much has been * borrowed at a stable rate and depositors are not earning enough * @param asset The address of the underlying asset borrowed * @param user The address of the user to be rebalanced **/ function rebalanceStableBorrowRate(address asset, address user) external override whenNotPaused { DataTypes.ReserveData storage reserve = _reserves[asset]; IERC20 stableDebtToken = IERC20(reserve.stableDebtTokenAddress); IERC20 variableDebtToken = IERC20(reserve.variableDebtTokenAddress); address aTokenAddress = reserve.aTokenAddress; uint256 stableDebt = IERC20(stableDebtToken).balanceOf(user); ValidationLogic.validateRebalanceStableBorrowRate( reserve, asset, stableDebtToken, variableDebtToken, aTokenAddress ); reserve.updateState(); IStableDebtToken(address(stableDebtToken)).burn(user, stableDebt); IStableDebtToken(address(stableDebtToken)).mint( user, user, stableDebt, reserve.currentStableBorrowRate ); reserve.updateInterestRates(asset, aTokenAddress, 0, 0); emit RebalanceStableBorrowRate(asset, user); } /** * @dev Allows depositors to enable/disable a specific deposited asset as collateral * @param asset The address of the underlying asset deposited * @param useAsCollateral `true` if the user wants to use the deposit as collateral, `false` otherwise **/ function setUserUseReserveAsCollateral(address asset, bool useAsCollateral) external override whenNotPaused { DataTypes.ReserveData storage reserve = _reserves[asset]; ValidationLogic.validateSetUseReserveAsCollateral( reserve, asset, useAsCollateral, _reserves, _usersConfig[msg.sender], _reservesList, _reservesCount, _addressesProvider.getPriceOracle() ); _usersConfig[msg.sender].setUsingAsCollateral(reserve.id, useAsCollateral); if (useAsCollateral) { emit ReserveUsedAsCollateralEnabled(asset, msg.sender); } else { emit ReserveUsedAsCollateralDisabled(asset, msg.sender); } } /** * @dev Function to liquidate a non-healthy position collateral-wise, with Health Factor below 1 * - The caller (liquidator) covers `debtToCover` amount of debt of the user getting liquidated, and receives * a proportionally amount of the `collateralAsset` plus a bonus to cover market risk * @param collateralAsset The address of the underlying asset used as collateral, to receive as result of the liquidation * @param debtAsset The address of the underlying borrowed asset to be repaid with the liquidation * @param user The address of the borrower getting liquidated * @param debtToCover The debt amount of borrowed `asset` the liquidator wants to cover * @param receiveAToken `true` if the liquidators wants to receive the collateral aTokens, `false` if he wants * to receive the underlying collateral asset directly **/ function liquidationCall( address collateralAsset, address debtAsset, address user, uint256 debtToCover, bool receiveAToken ) external override whenNotPaused { address collateralManager = _addressesProvider.getLendingPoolCollateralManager(); //solium-disable-next-line (bool success, bytes memory result) = collateralManager.delegatecall( abi.encodeWithSignature( 'liquidationCall(address,address,address,uint256,bool)', collateralAsset, debtAsset, user, debtToCover, receiveAToken ) ); require(success, Errors.LP_LIQUIDATION_CALL_FAILED); (uint256 returnCode, string memory returnMessage) = abi.decode(result, (uint256, string)); require(returnCode == 0, string(abi.encodePacked(returnMessage))); } struct FlashLoanLocalVars { IFlashLoanReceiver receiver; address oracle; uint256 i; address currentAsset; address currentATokenAddress; uint256 currentAmount; uint256 currentPremium; uint256 currentAmountPlusPremium; address debtToken; } /** * @dev Allows smartcontracts to access the liquidity of the pool within one transaction, * as long as the amount taken plus a fee is returned. * IMPORTANT There are security concerns for developers of flashloan receiver contracts that must be kept into consideration. * For further details please visit https://developers.aave.com * @param receiverAddress The address of the contract receiving the funds, implementing the IFlashLoanReceiver interface * @param assets The addresses of the assets being flash-borrowed * @param amounts The amounts amounts being flash-borrowed * @param modes Types of the debt to open if the flash loan is not returned: * 0 -> Don't open any debt, just revert if funds can't be transferred from the receiver * 1 -> Open debt at stable rate for the value of the amount flash-borrowed to the `onBehalfOf` address * 2 -> Open debt at variable rate for the value of the amount flash-borrowed to the `onBehalfOf` address * @param onBehalfOf The address that will receive the debt in the case of using on `modes` 1 or 2 * @param params Variadic packed params to pass to the receiver as extra information * @param referralCode Code used to register the integrator originating the operation, for potential rewards. * 0 if the action is executed directly by the user, without any middle-man **/ function flashLoan( address receiverAddress, address[] calldata assets, uint256[] calldata amounts, uint256[] calldata modes, address onBehalfOf, bytes calldata params, uint16 referralCode ) external override whenNotPaused { FlashLoanLocalVars memory vars; ValidationLogic.validateFlashloan(assets, amounts); address[] memory aTokenAddresses = new address[](assets.length); uint256[] memory premiums = new uint256[](assets.length); vars.receiver = IFlashLoanReceiver(receiverAddress); for (vars.i = 0; vars.i < assets.length; vars.i++) { aTokenAddresses[vars.i] = _reserves[assets[vars.i]].aTokenAddress; premiums[vars.i] = amounts[vars.i].mul(_flashLoanPremiumTotal).div(10000); IAToken(aTokenAddresses[vars.i]).transferUnderlyingTo(receiverAddress, amounts[vars.i]); } require( vars.receiver.executeOperation(assets, amounts, premiums, msg.sender, params), Errors.LP_INVALID_FLASH_LOAN_EXECUTOR_RETURN ); for (vars.i = 0; vars.i < assets.length; vars.i++) { vars.currentAsset = assets[vars.i]; vars.currentAmount = amounts[vars.i]; vars.currentPremium = premiums[vars.i]; vars.currentATokenAddress = aTokenAddresses[vars.i]; vars.currentAmountPlusPremium = vars.currentAmount.add(vars.currentPremium); if (DataTypes.InterestRateMode(modes[vars.i]) == DataTypes.InterestRateMode.NONE) { _reserves[vars.currentAsset].updateState(); _reserves[vars.currentAsset].cumulateToLiquidityIndex( IERC20(vars.currentATokenAddress).totalSupply(), vars.currentPremium ); _reserves[vars.currentAsset].updateInterestRates( vars.currentAsset, vars.currentATokenAddress, vars.currentAmountPlusPremium, 0 ); IERC20(vars.currentAsset).safeTransferFrom( receiverAddress, vars.currentATokenAddress, vars.currentAmountPlusPremium ); } else { // If the user chose to not return the funds, the system checks if there is enough collateral and // eventually opens a debt position _executeBorrow( ExecuteBorrowParams( vars.currentAsset, msg.sender, onBehalfOf, vars.currentAmount, modes[vars.i], vars.currentATokenAddress, referralCode, false ) ); } emit FlashLoan( receiverAddress, msg.sender, vars.currentAsset, vars.currentAmount, vars.currentPremium, referralCode ); } } /** * @dev Returns the state and configuration of the reserve * @param asset The address of the underlying asset of the reserve * @return The state of the reserve **/ function getReserveData(address asset) external view override returns (DataTypes.ReserveData memory) { return _reserves[asset]; } /** * @dev Returns the user account data across all the reserves * @param user The address of the user * @return totalCollateralETH the total collateral in ETH of the user * @return totalDebtETH the total debt in ETH of the user * @return availableBorrowsETH the borrowing power left of the user * @return currentLiquidationThreshold the liquidation threshold of the user * @return ltv the loan to value of the user * @return healthFactor the current health factor of the user **/ function getUserAccountData(address user) external view override returns ( uint256 totalCollateralETH, uint256 totalDebtETH, uint256 availableBorrowsETH, uint256 currentLiquidationThreshold, uint256 ltv, uint256 healthFactor ) { ( totalCollateralETH, totalDebtETH, ltv, currentLiquidationThreshold, healthFactor ) = GenericLogic.calculateUserAccountData( user, _reserves, _usersConfig[user], _reservesList, _reservesCount, _addressesProvider.getPriceOracle() ); availableBorrowsETH = GenericLogic.calculateAvailableBorrowsETH( totalCollateralETH, totalDebtETH, ltv ); } /** * @dev Returns the configuration of the reserve * @param asset The address of the underlying asset of the reserve * @return The configuration of the reserve **/ function getConfiguration(address asset) external view override returns (DataTypes.ReserveConfigurationMap memory) { return _reserves[asset].configuration; } /** * @dev Returns the configuration of the user across all the reserves * @param user The user address * @return The configuration of the user **/ function getUserConfiguration(address user) external view override returns (DataTypes.UserConfigurationMap memory) { return _usersConfig[user]; } /** * @dev Returns the normalized income per unit of asset * @param asset The address of the underlying asset of the reserve * @return The reserve's normalized income */ function getReserveNormalizedIncome(address asset) external view virtual override returns (uint256) { return _reserves[asset].getNormalizedIncome(); } /** * @dev Returns the normalized variable debt per unit of asset * @param asset The address of the underlying asset of the reserve * @return The reserve normalized variable debt */ function getReserveNormalizedVariableDebt(address asset) external view override returns (uint256) { return _reserves[asset].getNormalizedDebt(); } /** * @dev Returns if the LendingPool is paused */ function paused() external view override returns (bool) { return _paused; } /** * @dev Returns the list of the initialized reserves **/ function getReservesList() external view override returns (address[] memory) { address[] memory _activeReserves = new address[](_reservesCount); for (uint256 i = 0; i < _reservesCount; i++) { _activeReserves[i] = _reservesList[i]; } return _activeReserves; } /** * @dev Returns the cached LendingPoolAddressesProvider connected to this contract **/ function getAddressesProvider() external view override returns (ILendingPoolAddressesProvider) { return _addressesProvider; } /** * @dev Returns the percentage of available liquidity that can be borrowed at once at stable rate */ function MAX_STABLE_RATE_BORROW_SIZE_PERCENT() public view returns (uint256) { return _maxStableRateBorrowSizePercent; } /** * @dev Returns the fee on flash loans */ function FLASHLOAN_PREMIUM_TOTAL() public view returns (uint256) { return _flashLoanPremiumTotal; } /** * @dev Returns the maximum number of reserves supported to be listed in this LendingPool */ function MAX_NUMBER_RESERVES() public view returns (uint256) { return _maxNumberOfReserves; } /** * @dev Validates and finalizes an aToken transfer * - Only callable by the overlying aToken of the `asset` * @param asset The address of the underlying asset of the aToken * @param from The user from which the aTokens are transferred * @param to The user receiving the aTokens * @param amount The amount being transferred/withdrawn * @param balanceFromBefore The aToken balance of the `from` user before the transfer * @param balanceToBefore The aToken balance of the `to` user before the transfer */ function finalizeTransfer( address asset, address from, address to, uint256 amount, uint256 balanceFromBefore, uint256 balanceToBefore ) external override whenNotPaused { require(msg.sender == _reserves[asset].aTokenAddress, Errors.LP_CALLER_MUST_BE_AN_ATOKEN); ValidationLogic.validateTransfer( from, _reserves, _usersConfig[from], _reservesList, _reservesCount, _addressesProvider.getPriceOracle() ); uint256 reserveId = _reserves[asset].id; if (from != to) { if (balanceFromBefore.sub(amount) == 0) { DataTypes.UserConfigurationMap storage fromConfig = _usersConfig[from]; fromConfig.setUsingAsCollateral(reserveId, false); emit ReserveUsedAsCollateralDisabled(asset, from); } if (balanceToBefore == 0 && amount != 0) { DataTypes.UserConfigurationMap storage toConfig = _usersConfig[to]; toConfig.setUsingAsCollateral(reserveId, true); emit ReserveUsedAsCollateralEnabled(asset, to); } } } /** * @dev Initializes a reserve, activating it, assigning an aToken and debt tokens and an * interest rate strategy * - Only callable by the LendingPoolConfigurator contract * @param asset The address of the underlying asset of the reserve * @param aTokenAddress The address of the aToken that will be assigned to the reserve * @param stableDebtAddress The address of the StableDebtToken that will be assigned to the reserve * @param aTokenAddress The address of the VariableDebtToken that will be assigned to the reserve * @param interestRateStrategyAddress The address of the interest rate strategy contract **/ function initReserve( address asset, address aTokenAddress, address stableDebtAddress, address variableDebtAddress, address interestRateStrategyAddress ) external override onlyLendingPoolConfigurator { require(Address.isContract(asset), Errors.LP_NOT_CONTRACT); _reserves[asset].init( aTokenAddress, stableDebtAddress, variableDebtAddress, interestRateStrategyAddress ); _addReserveToList(asset); } /** * @dev Updates the address of the interest rate strategy contract * - Only callable by the LendingPoolConfigurator contract * @param asset The address of the underlying asset of the reserve * @param rateStrategyAddress The address of the interest rate strategy contract **/ function setReserveInterestRateStrategyAddress(address asset, address rateStrategyAddress) external override onlyLendingPoolConfigurator { _reserves[asset].interestRateStrategyAddress = rateStrategyAddress; } /** * @dev Sets the configuration bitmap of the reserve as a whole * - Only callable by the LendingPoolConfigurator contract * @param asset The address of the underlying asset of the reserve * @param configuration The new configuration bitmap **/ function setConfiguration(address asset, uint256 configuration) external override onlyLendingPoolConfigurator { _reserves[asset].configuration.data = configuration; } /** * @dev Set the _pause state of a reserve * - Only callable by the LendingPoolConfigurator contract * @param val `true` to pause the reserve, `false` to un-pause it */ function setPause(bool val) external override onlyLendingPoolConfigurator { _paused = val; if (_paused) { emit Paused(); } else { emit Unpaused(); } } struct ExecuteBorrowParams { address asset; address user; address onBehalfOf; uint256 amount; uint256 interestRateMode; address aTokenAddress; uint16 referralCode; bool releaseUnderlying; } function _executeBorrow(ExecuteBorrowParams memory vars) internal { DataTypes.ReserveData storage reserve = _reserves[vars.asset]; DataTypes.UserConfigurationMap storage userConfig = _usersConfig[vars.onBehalfOf]; address oracle = _addressesProvider.getPriceOracle(); uint256 amountInETH = IPriceOracleGetter(oracle).getAssetPrice(vars.asset).mul(vars.amount).div( 10**reserve.configuration.getDecimals() ); ValidationLogic.validateBorrow( vars.asset, reserve, vars.onBehalfOf, vars.amount, amountInETH, vars.interestRateMode, _maxStableRateBorrowSizePercent, _reserves, userConfig, _reservesList, _reservesCount, oracle ); reserve.updateState(); uint256 currentStableRate = 0; bool isFirstBorrowing = false; if (DataTypes.InterestRateMode(vars.interestRateMode) == DataTypes.InterestRateMode.STABLE) { currentStableRate = reserve.currentStableBorrowRate; isFirstBorrowing = IStableDebtToken(reserve.stableDebtTokenAddress).mint( vars.user, vars.onBehalfOf, vars.amount, currentStableRate ); } else { isFirstBorrowing = IVariableDebtToken(reserve.variableDebtTokenAddress).mint( vars.user, vars.onBehalfOf, vars.amount, reserve.variableBorrowIndex ); } if (isFirstBorrowing) { userConfig.setBorrowing(reserve.id, true); } reserve.updateInterestRates( vars.asset, vars.aTokenAddress, 0, vars.releaseUnderlying ? vars.amount : 0 ); if (vars.releaseUnderlying) { IAToken(vars.aTokenAddress).transferUnderlyingTo(vars.user, vars.amount); } emit Borrow( vars.asset, vars.user, vars.onBehalfOf, vars.amount, vars.interestRateMode, DataTypes.InterestRateMode(vars.interestRateMode) == DataTypes.InterestRateMode.STABLE ? currentStableRate : reserve.currentVariableBorrowRate, vars.referralCode ); } function _addReserveToList(address asset) internal { uint256 reservesCount = _reservesCount; require(reservesCount < _maxNumberOfReserves, Errors.LP_NO_MORE_RESERVES_ALLOWED); bool reserveAlreadyAdded = _reserves[asset].id != 0 || _reservesList[0] == asset; if (!reserveAlreadyAdded) { _reserves[asset].id = uint8(reservesCount); _reservesList[reservesCount] = asset; _reservesCount = reservesCount + 1; } } }
/contracts/protocol/lendingpool/LendingPoolConfigurator.sol
// SPDX-License-Identifier: agpl-3.0 pragma solidity 0.6.12; pragma experimental ABIEncoderV2; import {SafeMath} from '../../dependencies/openzeppelin/contracts/SafeMath.sol'; import {VersionedInitializable} from '../libraries/aave-upgradeability/VersionedInitializable.sol'; import { InitializableImmutableAdminUpgradeabilityProxy } from '../libraries/aave-upgradeability/InitializableImmutableAdminUpgradeabilityProxy.sol'; import {ReserveConfiguration} from '../libraries/configuration/ReserveConfiguration.sol'; import {ILendingPoolAddressesProvider} from '../../interfaces/ILendingPoolAddressesProvider.sol'; import {ILendingPool} from '../../interfaces/ILendingPool.sol'; import {IERC20Detailed} from '../../dependencies/openzeppelin/contracts/IERC20Detailed.sol'; import {Errors} from '../libraries/helpers/Errors.sol'; import {PercentageMath} from '../libraries/math/PercentageMath.sol'; import {DataTypes} from '../libraries/types/DataTypes.sol'; import {IInitializableDebtToken} from '../../interfaces/IInitializableDebtToken.sol'; import {IInitializableAToken} from '../../interfaces/IInitializableAToken.sol'; import {IAaveIncentivesController} from '../../interfaces/IAaveIncentivesController.sol'; import {ILendingPoolConfigurator} from '../../interfaces/ILendingPoolConfigurator.sol'; /** * @title LendingPoolConfigurator contract * @author Aave * @dev Implements the configuration methods for the Aave protocol **/ contract LendingPoolConfigurator is VersionedInitializable, ILendingPoolConfigurator { using SafeMath for uint256; using PercentageMath for uint256; using ReserveConfiguration for DataTypes.ReserveConfigurationMap; ILendingPoolAddressesProvider internal addressesProvider; ILendingPool internal pool; modifier onlyPoolAdmin { require(addressesProvider.getPoolAdmin() == msg.sender, Errors.CALLER_NOT_POOL_ADMIN); _; } modifier onlyEmergencyAdmin { require( addressesProvider.getEmergencyAdmin() == msg.sender, Errors.LPC_CALLER_NOT_EMERGENCY_ADMIN ); _; } uint256 internal constant CONFIGURATOR_REVISION = 0x1; function getRevision() internal pure override returns (uint256) { return CONFIGURATOR_REVISION; } function initialize(ILendingPoolAddressesProvider provider) public initializer { addressesProvider = provider; pool = ILendingPool(addressesProvider.getLendingPool()); } /** * @dev Initializes reserves in batch **/ function batchInitReserve(InitReserveInput[] calldata input) external onlyPoolAdmin { ILendingPool cachedPool = pool; for (uint256 i = 0; i < input.length; i++) { _initReserve(cachedPool, input[i]); } } function _initReserve(ILendingPool pool, InitReserveInput calldata input) internal { address aTokenProxyAddress = _initTokenWithProxy( input.aTokenImpl, abi.encodeWithSelector( IInitializableAToken.initialize.selector, pool, input.treasury, input.underlyingAsset, IAaveIncentivesController(input.incentivesController), input.underlyingAssetDecimals, input.aTokenName, input.aTokenSymbol, input.params ) ); address stableDebtTokenProxyAddress = _initTokenWithProxy( input.stableDebtTokenImpl, abi.encodeWithSelector( IInitializableDebtToken.initialize.selector, pool, input.underlyingAsset, IAaveIncentivesController(input.incentivesController), input.underlyingAssetDecimals, input.stableDebtTokenName, input.stableDebtTokenSymbol, input.params ) ); address variableDebtTokenProxyAddress = _initTokenWithProxy( input.variableDebtTokenImpl, abi.encodeWithSelector( IInitializableDebtToken.initialize.selector, pool, input.underlyingAsset, IAaveIncentivesController(input.incentivesController), input.underlyingAssetDecimals, input.variableDebtTokenName, input.variableDebtTokenSymbol, input.params ) ); pool.initReserve( input.underlyingAsset, aTokenProxyAddress, stableDebtTokenProxyAddress, variableDebtTokenProxyAddress, input.interestRateStrategyAddress ); DataTypes.ReserveConfigurationMap memory currentConfig = pool.getConfiguration(input.underlyingAsset); currentConfig.setDecimals(input.underlyingAssetDecimals); currentConfig.setActive(true); currentConfig.setFrozen(false); pool.setConfiguration(input.underlyingAsset, currentConfig.data); emit ReserveInitialized( input.underlyingAsset, aTokenProxyAddress, stableDebtTokenProxyAddress, variableDebtTokenProxyAddress, input.interestRateStrategyAddress ); } /** * @dev Updates the aToken implementation for the reserve **/ function updateAToken(UpdateATokenInput calldata input) external onlyPoolAdmin { ILendingPool cachedPool = pool; DataTypes.ReserveData memory reserveData = cachedPool.getReserveData(input.asset); (, , , uint256 decimals, ) = cachedPool.getConfiguration(input.asset).getParamsMemory(); bytes memory encodedCall = abi.encodeWithSelector( IInitializableAToken.initialize.selector, cachedPool, input.treasury, input.asset, input.incentivesController, decimals, input.name, input.symbol, input.params ); _upgradeTokenImplementation( reserveData.aTokenAddress, input.implementation, encodedCall ); emit ATokenUpgraded(input.asset, reserveData.aTokenAddress, input.implementation); } /** * @dev Updates the stable debt token implementation for the reserve **/ function updateStableDebtToken(UpdateDebtTokenInput calldata input) external onlyPoolAdmin { ILendingPool cachedPool = pool; DataTypes.ReserveData memory reserveData = cachedPool.getReserveData(input.asset); (, , , uint256 decimals, ) = cachedPool.getConfiguration(input.asset).getParamsMemory(); bytes memory encodedCall = abi.encodeWithSelector( IInitializableDebtToken.initialize.selector, cachedPool, input.asset, input.incentivesController, decimals, input.name, input.symbol, input.params ); _upgradeTokenImplementation( reserveData.stableDebtTokenAddress, input.implementation, encodedCall ); emit StableDebtTokenUpgraded( input.asset, reserveData.stableDebtTokenAddress, input.implementation ); } /** * @dev Updates the variable debt token implementation for the asset **/ function updateVariableDebtToken(UpdateDebtTokenInput calldata input) external onlyPoolAdmin { ILendingPool cachedPool = pool; DataTypes.ReserveData memory reserveData = cachedPool.getReserveData(input.asset); (, , , uint256 decimals, ) = cachedPool.getConfiguration(input.asset).getParamsMemory(); bytes memory encodedCall = abi.encodeWithSelector( IInitializableDebtToken.initialize.selector, cachedPool, input.asset, input.incentivesController, decimals, input.name, input.symbol, input.params ); _upgradeTokenImplementation( reserveData.variableDebtTokenAddress, input.implementation, encodedCall ); emit VariableDebtTokenUpgraded( input.asset, reserveData.variableDebtTokenAddress, input.implementation ); } /** * @dev Enables borrowing on a reserve * @param asset The address of the underlying asset of the reserve * @param stableBorrowRateEnabled True if stable borrow rate needs to be enabled by default on this reserve **/ function enableBorrowingOnReserve(address asset, bool stableBorrowRateEnabled) external onlyPoolAdmin { DataTypes.ReserveConfigurationMap memory currentConfig = pool.getConfiguration(asset); currentConfig.setBorrowingEnabled(true); currentConfig.setStableRateBorrowingEnabled(stableBorrowRateEnabled); pool.setConfiguration(asset, currentConfig.data); emit BorrowingEnabledOnReserve(asset, stableBorrowRateEnabled); } /** * @dev Disables borrowing on a reserve * @param asset The address of the underlying asset of the reserve **/ function disableBorrowingOnReserve(address asset) external onlyPoolAdmin { DataTypes.ReserveConfigurationMap memory currentConfig = pool.getConfiguration(asset); currentConfig.setBorrowingEnabled(false); pool.setConfiguration(asset, currentConfig.data); emit BorrowingDisabledOnReserve(asset); } /** * @dev Configures the reserve collateralization parameters * all the values are expressed in percentages with two decimals of precision. A valid value is 10000, which means 100.00% * @param asset The address of the underlying asset of the reserve * @param ltv The loan to value of the asset when used as collateral * @param liquidationThreshold The threshold at which loans using this asset as collateral will be considered undercollateralized * @param liquidationBonus The bonus liquidators receive to liquidate this asset. The values is always above 100%. A value of 105% * means the liquidator will receive a 5% bonus **/ function configureReserveAsCollateral( address asset, uint256 ltv, uint256 liquidationThreshold, uint256 liquidationBonus ) external onlyPoolAdmin { DataTypes.ReserveConfigurationMap memory currentConfig = pool.getConfiguration(asset); //validation of the parameters: the LTV can //only be lower or equal than the liquidation threshold //(otherwise a loan against the asset would cause instantaneous liquidation) require(ltv <= liquidationThreshold, Errors.LPC_INVALID_CONFIGURATION); if (liquidationThreshold != 0) { //liquidation bonus must be bigger than 100.00%, otherwise the liquidator would receive less //collateral than needed to cover the debt require( liquidationBonus > PercentageMath.PERCENTAGE_FACTOR, Errors.LPC_INVALID_CONFIGURATION ); //if threshold * bonus is less than PERCENTAGE_FACTOR, it's guaranteed that at the moment //a loan is taken there is enough collateral available to cover the liquidation bonus require( liquidationThreshold.percentMul(liquidationBonus) <= PercentageMath.PERCENTAGE_FACTOR, Errors.LPC_INVALID_CONFIGURATION ); } else { require(liquidationBonus == 0, Errors.LPC_INVALID_CONFIGURATION); //if the liquidation threshold is being set to 0, // the reserve is being disabled as collateral. To do so, //we need to ensure no liquidity is deposited _checkNoLiquidity(asset); } currentConfig.setLtv(ltv); currentConfig.setLiquidationThreshold(liquidationThreshold); currentConfig.setLiquidationBonus(liquidationBonus); pool.setConfiguration(asset, currentConfig.data); emit CollateralConfigurationChanged(asset, ltv, liquidationThreshold, liquidationBonus); } /** * @dev Enable stable rate borrowing on a reserve * @param asset The address of the underlying asset of the reserve **/ function enableReserveStableRate(address asset) external onlyPoolAdmin { DataTypes.ReserveConfigurationMap memory currentConfig = pool.getConfiguration(asset); currentConfig.setStableRateBorrowingEnabled(true); pool.setConfiguration(asset, currentConfig.data); emit StableRateEnabledOnReserve(asset); } /** * @dev Disable stable rate borrowing on a reserve * @param asset The address of the underlying asset of the reserve **/ function disableReserveStableRate(address asset) external onlyPoolAdmin { DataTypes.ReserveConfigurationMap memory currentConfig = pool.getConfiguration(asset); currentConfig.setStableRateBorrowingEnabled(false); pool.setConfiguration(asset, currentConfig.data); emit StableRateDisabledOnReserve(asset); } /** * @dev Activates a reserve * @param asset The address of the underlying asset of the reserve **/ function activateReserve(address asset) external onlyPoolAdmin { DataTypes.ReserveConfigurationMap memory currentConfig = pool.getConfiguration(asset); currentConfig.setActive(true); pool.setConfiguration(asset, currentConfig.data); emit ReserveActivated(asset); } /** * @dev Deactivates a reserve * @param asset The address of the underlying asset of the reserve **/ function deactivateReserve(address asset) external onlyPoolAdmin { _checkNoLiquidity(asset); DataTypes.ReserveConfigurationMap memory currentConfig = pool.getConfiguration(asset); currentConfig.setActive(false); pool.setConfiguration(asset, currentConfig.data); emit ReserveDeactivated(asset); } /** * @dev Freezes a reserve. A frozen reserve doesn't allow any new deposit, borrow or rate swap * but allows repayments, liquidations, rate rebalances and withdrawals * @param asset The address of the underlying asset of the reserve **/ function freezeReserve(address asset) external onlyPoolAdmin { DataTypes.ReserveConfigurationMap memory currentConfig = pool.getConfiguration(asset); currentConfig.setFrozen(true); pool.setConfiguration(asset, currentConfig.data); emit ReserveFrozen(asset); } /** * @dev Unfreezes a reserve * @param asset The address of the underlying asset of the reserve **/ function unfreezeReserve(address asset) external onlyPoolAdmin { DataTypes.ReserveConfigurationMap memory currentConfig = pool.getConfiguration(asset); currentConfig.setFrozen(false); pool.setConfiguration(asset, currentConfig.data); emit ReserveUnfrozen(asset); } /** * @dev Updates the reserve factor of a reserve * @param asset The address of the underlying asset of the reserve * @param reserveFactor The new reserve factor of the reserve **/ function setReserveFactor(address asset, uint256 reserveFactor) external onlyPoolAdmin { DataTypes.ReserveConfigurationMap memory currentConfig = pool.getConfiguration(asset); currentConfig.setReserveFactor(reserveFactor); pool.setConfiguration(asset, currentConfig.data); emit ReserveFactorChanged(asset, reserveFactor); } /** * @dev Sets the interest rate strategy of a reserve * @param asset The address of the underlying asset of the reserve * @param rateStrategyAddress The new address of the interest strategy contract **/ function setReserveInterestRateStrategyAddress(address asset, address rateStrategyAddress) external onlyPoolAdmin { pool.setReserveInterestRateStrategyAddress(asset, rateStrategyAddress); emit ReserveInterestRateStrategyChanged(asset, rateStrategyAddress); } /** * @dev pauses or unpauses all the actions of the protocol, including aToken transfers * @param val true if protocol needs to be paused, false otherwise **/ function setPoolPause(bool val) external onlyEmergencyAdmin { pool.setPause(val); } function _initTokenWithProxy(address implementation, bytes memory initParams) internal returns (address) { InitializableImmutableAdminUpgradeabilityProxy proxy = new InitializableImmutableAdminUpgradeabilityProxy(address(this)); proxy.initialize(implementation, initParams); return address(proxy); } function _upgradeTokenImplementation( address proxyAddress, address implementation, bytes memory initParams ) internal { InitializableImmutableAdminUpgradeabilityProxy proxy = InitializableImmutableAdminUpgradeabilityProxy(payable(proxyAddress)); proxy.upgradeToAndCall(implementation, initParams); } function _checkNoLiquidity(address asset) internal view { DataTypes.ReserveData memory reserveData = pool.getReserveData(asset); uint256 availableLiquidity = IERC20Detailed(asset).balanceOf(reserveData.aTokenAddress); require( availableLiquidity == 0 && reserveData.currentLiquidityRate == 0, Errors.LPC_RESERVE_LIQUIDITY_NOT_0 ); } }
/contracts/protocol/lendingpool/LendingPoolStorage.sol
// SPDX-License-Identifier: agpl-3.0 pragma solidity 0.6.12; import {UserConfiguration} from '../libraries/configuration/UserConfiguration.sol'; import {ReserveConfiguration} from '../libraries/configuration/ReserveConfiguration.sol'; import {ReserveLogic} from '../libraries/logic/ReserveLogic.sol'; import {ILendingPoolAddressesProvider} from '../../interfaces/ILendingPoolAddressesProvider.sol'; import {DataTypes} from '../libraries/types/DataTypes.sol'; contract LendingPoolStorage { using ReserveLogic for DataTypes.ReserveData; using ReserveConfiguration for DataTypes.ReserveConfigurationMap; using UserConfiguration for DataTypes.UserConfigurationMap; ILendingPoolAddressesProvider internal _addressesProvider; mapping(address => DataTypes.ReserveData) internal _reserves; mapping(address => DataTypes.UserConfigurationMap) internal _usersConfig; // the list of the available reserves, structured as a mapping for gas savings reasons mapping(uint256 => address) internal _reservesList; uint256 internal _reservesCount; bool internal _paused; uint256 internal _maxStableRateBorrowSizePercent; uint256 internal _flashLoanPremiumTotal; uint256 internal _maxNumberOfReserves; }
/contracts/protocol/libraries/aave-upgradeability/BaseImmutableAdminUpgradeabilityProxy.sol
// SPDX-License-Identifier: agpl-3.0 pragma solidity 0.6.12; import '../../../dependencies/openzeppelin/upgradeability/BaseUpgradeabilityProxy.sol'; /** * @title BaseImmutableAdminUpgradeabilityProxy * @author Aave, inspired by the OpenZeppelin upgradeability proxy pattern * @dev This contract combines an upgradeability proxy with an authorization * mechanism for administrative tasks. The admin role is stored in an immutable, which * helps saving transactions costs * All external functions in this contract must be guarded by the * `ifAdmin` modifier. See ethereum/solidity#3864 for a Solidity * feature proposal that would enable this to be done automatically. */ contract BaseImmutableAdminUpgradeabilityProxy is BaseUpgradeabilityProxy { address immutable ADMIN; constructor(address admin) public { ADMIN = admin; } modifier ifAdmin() { if (msg.sender == ADMIN) { _; } else { _fallback(); } } /** * @return The address of the proxy admin. */ function admin() external ifAdmin returns (address) { return ADMIN; } /** * @return The address of the implementation. */ function implementation() external ifAdmin returns (address) { return _implementation(); } /** * @dev Upgrade the backing implementation of the proxy. * Only the admin can call this function. * @param newImplementation Address of the new implementation. */ function upgradeTo(address newImplementation) external ifAdmin { _upgradeTo(newImplementation); } /** * @dev Upgrade the backing implementation of the proxy and call a function * on the new implementation. * This is useful to initialize the proxied contract. * @param newImplementation Address of the new implementation. * @param data Data to send as msg.data in the low level call. * It should include the signature and the parameters of the function to be called, as described in * https://solidity.readthedocs.io/en/v0.4.24/abi-spec.html#function-selector-and-argument-encoding. */ function upgradeToAndCall(address newImplementation, bytes calldata data) external payable ifAdmin { _upgradeTo(newImplementation); (bool success, ) = newImplementation.delegatecall(data); require(success); } /** * @dev Only fall back when the sender is not the admin. */ function _willFallback() internal virtual override { require(msg.sender != ADMIN, 'Cannot call fallback function from the proxy admin'); super._willFallback(); } }
/contracts/protocol/libraries/aave-upgradeability/InitializableImmutableAdminUpgradeabilityProxy.sol
// SPDX-License-Identifier: agpl-3.0 pragma solidity 0.6.12; import './BaseImmutableAdminUpgradeabilityProxy.sol'; import '../../../dependencies/openzeppelin/upgradeability/InitializableUpgradeabilityProxy.sol'; /** * @title InitializableAdminUpgradeabilityProxy * @dev Extends BaseAdminUpgradeabilityProxy with an initializer function */ contract InitializableImmutableAdminUpgradeabilityProxy is BaseImmutableAdminUpgradeabilityProxy, InitializableUpgradeabilityProxy { constructor(address admin) public BaseImmutableAdminUpgradeabilityProxy(admin) {} /** * @dev Only fall back when the sender is not the admin. */ function _willFallback() internal override(BaseImmutableAdminUpgradeabilityProxy, Proxy) { BaseImmutableAdminUpgradeabilityProxy._willFallback(); } }
/contracts/protocol/libraries/aave-upgradeability/VersionedInitializable.sol
// SPDX-License-Identifier: agpl-3.0 pragma solidity 0.6.12; /** * @title VersionedInitializable * * @dev Helper contract to implement initializer functions. To use it, replace * the constructor with a function that has the `initializer` modifier. * WARNING: Unlike constructors, initializer functions must be manually * invoked. This applies both to deploying an Initializable contract, as well * as extending an Initializable contract via inheritance. * WARNING: When used with inheritance, manual care must be taken to not invoke * a parent initializer twice, or ensure that all initializers are idempotent, * because this is not dealt with automatically as with constructors. * * @author Aave, inspired by the OpenZeppelin Initializable contract */ abstract contract VersionedInitializable { /** * @dev Indicates that the contract has been initialized. */ uint256 private lastInitializedRevision = 0; /** * @dev Indicates that the contract is in the process of being initialized. */ bool private initializing; /** * @dev Modifier to use in the initializer function of a contract. */ modifier initializer() { uint256 revision = getRevision(); require( initializing || isConstructor() || revision > lastInitializedRevision, 'Contract instance has already been initialized' ); bool isTopLevelCall = !initializing; if (isTopLevelCall) { initializing = true; lastInitializedRevision = revision; } _; if (isTopLevelCall) { initializing = false; } } /** * @dev returns the revision number of the contract * Needs to be defined in the inherited class as a constant. **/ function getRevision() internal pure virtual returns (uint256); /** * @dev Returns true if and only if the function is running in the constructor **/ function isConstructor() private view returns (bool) { // extcodesize checks the size of the code stored in an address, and // address returns the current address. Since the code is still not // deployed when running a constructor, any checks on its code size will // yield zero, making it an effective way to detect if a contract is // under construction or not. uint256 cs; //solium-disable-next-line assembly { cs := extcodesize(address()) } return cs == 0; } // Reserved storage space to allow for layout changes in the future. uint256[50] private ______gap; }
/contracts/protocol/libraries/configuration/ReserveConfiguration.sol
// SPDX-License-Identifier: agpl-3.0 pragma solidity 0.6.12; import {Errors} from '../helpers/Errors.sol'; import {DataTypes} from '../types/DataTypes.sol'; /** * @title ReserveConfiguration library * @author Aave * @notice Implements the bitmap logic to handle the reserve configuration */ library ReserveConfiguration { uint256 constant LTV_MASK = 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF0000; // prettier-ignore uint256 constant LIQUIDATION_THRESHOLD_MASK = 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF0000FFFF; // prettier-ignore uint256 constant LIQUIDATION_BONUS_MASK = 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF0000FFFFFFFF; // prettier-ignore uint256 constant DECIMALS_MASK = 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00FFFFFFFFFFFF; // prettier-ignore uint256 constant ACTIVE_MASK = 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFFFFFFFFFFF; // prettier-ignore uint256 constant FROZEN_MASK = 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFDFFFFFFFFFFFFFF; // prettier-ignore uint256 constant BORROWING_MASK = 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFBFFFFFFFFFFFFFF; // prettier-ignore uint256 constant STABLE_BORROWING_MASK = 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF7FFFFFFFFFFFFFF; // prettier-ignore uint256 constant RESERVE_FACTOR_MASK = 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF0000FFFFFFFFFFFFFFFF; // prettier-ignore /// @dev For the LTV, the start bit is 0 (up to 15), hence no bitshifting is needed uint256 constant LIQUIDATION_THRESHOLD_START_BIT_POSITION = 16; uint256 constant LIQUIDATION_BONUS_START_BIT_POSITION = 32; uint256 constant RESERVE_DECIMALS_START_BIT_POSITION = 48; uint256 constant IS_ACTIVE_START_BIT_POSITION = 56; uint256 constant IS_FROZEN_START_BIT_POSITION = 57; uint256 constant BORROWING_ENABLED_START_BIT_POSITION = 58; uint256 constant STABLE_BORROWING_ENABLED_START_BIT_POSITION = 59; uint256 constant RESERVE_FACTOR_START_BIT_POSITION = 64; uint256 constant MAX_VALID_LTV = 65535; uint256 constant MAX_VALID_LIQUIDATION_THRESHOLD = 65535; uint256 constant MAX_VALID_LIQUIDATION_BONUS = 65535; uint256 constant MAX_VALID_DECIMALS = 255; uint256 constant MAX_VALID_RESERVE_FACTOR = 65535; /** * @dev Sets the Loan to Value of the reserve * @param self The reserve configuration * @param ltv the new ltv **/ function setLtv(DataTypes.ReserveConfigurationMap memory self, uint256 ltv) internal pure { require(ltv <= MAX_VALID_LTV, Errors.RC_INVALID_LTV); self.data = (self.data & LTV_MASK) | ltv; } /** * @dev Gets the Loan to Value of the reserve * @param self The reserve configuration * @return The loan to value **/ function getLtv(DataTypes.ReserveConfigurationMap storage self) internal view returns (uint256) { return self.data & ~LTV_MASK; } /** * @dev Sets the liquidation threshold of the reserve * @param self The reserve configuration * @param threshold The new liquidation threshold **/ function setLiquidationThreshold(DataTypes.ReserveConfigurationMap memory self, uint256 threshold) internal pure { require(threshold <= MAX_VALID_LIQUIDATION_THRESHOLD, Errors.RC_INVALID_LIQ_THRESHOLD); self.data = (self.data & LIQUIDATION_THRESHOLD_MASK) | (threshold << LIQUIDATION_THRESHOLD_START_BIT_POSITION); } /** * @dev Gets the liquidation threshold of the reserve * @param self The reserve configuration * @return The liquidation threshold **/ function getLiquidationThreshold(DataTypes.ReserveConfigurationMap storage self) internal view returns (uint256) { return (self.data & ~LIQUIDATION_THRESHOLD_MASK) >> LIQUIDATION_THRESHOLD_START_BIT_POSITION; } /** * @dev Sets the liquidation bonus of the reserve * @param self The reserve configuration * @param bonus The new liquidation bonus **/ function setLiquidationBonus(DataTypes.ReserveConfigurationMap memory self, uint256 bonus) internal pure { require(bonus <= MAX_VALID_LIQUIDATION_BONUS, Errors.RC_INVALID_LIQ_BONUS); self.data = (self.data & LIQUIDATION_BONUS_MASK) | (bonus << LIQUIDATION_BONUS_START_BIT_POSITION); } /** * @dev Gets the liquidation bonus of the reserve * @param self The reserve configuration * @return The liquidation bonus **/ function getLiquidationBonus(DataTypes.ReserveConfigurationMap storage self) internal view returns (uint256) { return (self.data & ~LIQUIDATION_BONUS_MASK) >> LIQUIDATION_BONUS_START_BIT_POSITION; } /** * @dev Sets the decimals of the underlying asset of the reserve * @param self The reserve configuration * @param decimals The decimals **/ function setDecimals(DataTypes.ReserveConfigurationMap memory self, uint256 decimals) internal pure { require(decimals <= MAX_VALID_DECIMALS, Errors.RC_INVALID_DECIMALS); self.data = (self.data & DECIMALS_MASK) | (decimals << RESERVE_DECIMALS_START_BIT_POSITION); } /** * @dev Gets the decimals of the underlying asset of the reserve * @param self The reserve configuration * @return The decimals of the asset **/ function getDecimals(DataTypes.ReserveConfigurationMap storage self) internal view returns (uint256) { return (self.data & ~DECIMALS_MASK) >> RESERVE_DECIMALS_START_BIT_POSITION; } /** * @dev Sets the active state of the reserve * @param self The reserve configuration * @param active The active state **/ function setActive(DataTypes.ReserveConfigurationMap memory self, bool active) internal pure { self.data = (self.data & ACTIVE_MASK) | (uint256(active ? 1 : 0) << IS_ACTIVE_START_BIT_POSITION); } /** * @dev Gets the active state of the reserve * @param self The reserve configuration * @return The active state **/ function getActive(DataTypes.ReserveConfigurationMap storage self) internal view returns (bool) { return (self.data & ~ACTIVE_MASK) != 0; } /** * @dev Sets the frozen state of the reserve * @param self The reserve configuration * @param frozen The frozen state **/ function setFrozen(DataTypes.ReserveConfigurationMap memory self, bool frozen) internal pure { self.data = (self.data & FROZEN_MASK) | (uint256(frozen ? 1 : 0) << IS_FROZEN_START_BIT_POSITION); } /** * @dev Gets the frozen state of the reserve * @param self The reserve configuration * @return The frozen state **/ function getFrozen(DataTypes.ReserveConfigurationMap storage self) internal view returns (bool) { return (self.data & ~FROZEN_MASK) != 0; } /** * @dev Enables or disables borrowing on the reserve * @param self The reserve configuration * @param enabled True if the borrowing needs to be enabled, false otherwise **/ function setBorrowingEnabled(DataTypes.ReserveConfigurationMap memory self, bool enabled) internal pure { self.data = (self.data & BORROWING_MASK) | (uint256(enabled ? 1 : 0) << BORROWING_ENABLED_START_BIT_POSITION); } /** * @dev Gets the borrowing state of the reserve * @param self The reserve configuration * @return The borrowing state **/ function getBorrowingEnabled(DataTypes.ReserveConfigurationMap storage self) internal view returns (bool) { return (self.data & ~BORROWING_MASK) != 0; } /** * @dev Enables or disables stable rate borrowing on the reserve * @param self The reserve configuration * @param enabled True if the stable rate borrowing needs to be enabled, false otherwise **/ function setStableRateBorrowingEnabled( DataTypes.ReserveConfigurationMap memory self, bool enabled ) internal pure { self.data = (self.data & STABLE_BORROWING_MASK) | (uint256(enabled ? 1 : 0) << STABLE_BORROWING_ENABLED_START_BIT_POSITION); } /** * @dev Gets the stable rate borrowing state of the reserve * @param self The reserve configuration * @return The stable rate borrowing state **/ function getStableRateBorrowingEnabled(DataTypes.ReserveConfigurationMap storage self) internal view returns (bool) { return (self.data & ~STABLE_BORROWING_MASK) != 0; } /** * @dev Sets the reserve factor of the reserve * @param self The reserve configuration * @param reserveFactor The reserve factor **/ function setReserveFactor(DataTypes.ReserveConfigurationMap memory self, uint256 reserveFactor) internal pure { require(reserveFactor <= MAX_VALID_RESERVE_FACTOR, Errors.RC_INVALID_RESERVE_FACTOR); self.data = (self.data & RESERVE_FACTOR_MASK) | (reserveFactor << RESERVE_FACTOR_START_BIT_POSITION); } /** * @dev Gets the reserve factor of the reserve * @param self The reserve configuration * @return The reserve factor **/ function getReserveFactor(DataTypes.ReserveConfigurationMap storage self) internal view returns (uint256) { return (self.data & ~RESERVE_FACTOR_MASK) >> RESERVE_FACTOR_START_BIT_POSITION; } /** * @dev Gets the configuration flags of the reserve * @param self The reserve configuration * @return The state flags representing active, frozen, borrowing enabled, stableRateBorrowing enabled **/ function getFlags(DataTypes.ReserveConfigurationMap storage self) internal view returns ( bool, bool, bool, bool ) { uint256 dataLocal = self.data; return ( (dataLocal & ~ACTIVE_MASK) != 0, (dataLocal & ~FROZEN_MASK) != 0, (dataLocal & ~BORROWING_MASK) != 0, (dataLocal & ~STABLE_BORROWING_MASK) != 0 ); } /** * @dev Gets the configuration paramters of the reserve * @param self The reserve configuration * @return The state params representing ltv, liquidation threshold, liquidation bonus, the reserve decimals **/ function getParams(DataTypes.ReserveConfigurationMap storage self) internal view returns ( uint256, uint256, uint256, uint256, uint256 ) { uint256 dataLocal = self.data; return ( dataLocal & ~LTV_MASK, (dataLocal & ~LIQUIDATION_THRESHOLD_MASK) >> LIQUIDATION_THRESHOLD_START_BIT_POSITION, (dataLocal & ~LIQUIDATION_BONUS_MASK) >> LIQUIDATION_BONUS_START_BIT_POSITION, (dataLocal & ~DECIMALS_MASK) >> RESERVE_DECIMALS_START_BIT_POSITION, (dataLocal & ~RESERVE_FACTOR_MASK) >> RESERVE_FACTOR_START_BIT_POSITION ); } /** * @dev Gets the configuration paramters of the reserve from a memory object * @param self The reserve configuration * @return The state params representing ltv, liquidation threshold, liquidation bonus, the reserve decimals **/ function getParamsMemory(DataTypes.ReserveConfigurationMap memory self) internal pure returns ( uint256, uint256, uint256, uint256, uint256 ) { return ( self.data & ~LTV_MASK, (self.data & ~LIQUIDATION_THRESHOLD_MASK) >> LIQUIDATION_THRESHOLD_START_BIT_POSITION, (self.data & ~LIQUIDATION_BONUS_MASK) >> LIQUIDATION_BONUS_START_BIT_POSITION, (self.data & ~DECIMALS_MASK) >> RESERVE_DECIMALS_START_BIT_POSITION, (self.data & ~RESERVE_FACTOR_MASK) >> RESERVE_FACTOR_START_BIT_POSITION ); } /** * @dev Gets the configuration flags of the reserve from a memory object * @param self The reserve configuration * @return The state flags representing active, frozen, borrowing enabled, stableRateBorrowing enabled **/ function getFlagsMemory(DataTypes.ReserveConfigurationMap memory self) internal pure returns ( bool, bool, bool, bool ) { return ( (self.data & ~ACTIVE_MASK) != 0, (self.data & ~FROZEN_MASK) != 0, (self.data & ~BORROWING_MASK) != 0, (self.data & ~STABLE_BORROWING_MASK) != 0 ); } }
/contracts/protocol/libraries/configuration/UserConfiguration.sol
// SPDX-License-Identifier: agpl-3.0 pragma solidity 0.6.12; import {Errors} from '../helpers/Errors.sol'; import {DataTypes} from '../types/DataTypes.sol'; /** * @title UserConfiguration library * @author Aave * @notice Implements the bitmap logic to handle the user configuration */ library UserConfiguration { uint256 internal constant BORROWING_MASK = 0x5555555555555555555555555555555555555555555555555555555555555555; /** * @dev Sets if the user is borrowing the reserve identified by reserveIndex * @param self The configuration object * @param reserveIndex The index of the reserve in the bitmap * @param borrowing True if the user is borrowing the reserve, false otherwise **/ function setBorrowing( DataTypes.UserConfigurationMap storage self, uint256 reserveIndex, bool borrowing ) internal { require(reserveIndex < 128, Errors.UL_INVALID_INDEX); self.data = (self.data & ~(1 << (reserveIndex * 2))) | (uint256(borrowing ? 1 : 0) << (reserveIndex * 2)); } /** * @dev Sets if the user is using as collateral the reserve identified by reserveIndex * @param self The configuration object * @param reserveIndex The index of the reserve in the bitmap * @param usingAsCollateral True if the user is usin the reserve as collateral, false otherwise **/ function setUsingAsCollateral( DataTypes.UserConfigurationMap storage self, uint256 reserveIndex, bool usingAsCollateral ) internal { require(reserveIndex < 128, Errors.UL_INVALID_INDEX); self.data = (self.data & ~(1 << (reserveIndex * 2 + 1))) | (uint256(usingAsCollateral ? 1 : 0) << (reserveIndex * 2 + 1)); } /** * @dev Used to validate if a user has been using the reserve for borrowing or as collateral * @param self The configuration object * @param reserveIndex The index of the reserve in the bitmap * @return True if the user has been using a reserve for borrowing or as collateral, false otherwise **/ function isUsingAsCollateralOrBorrowing( DataTypes.UserConfigurationMap memory self, uint256 reserveIndex ) internal pure returns (bool) { require(reserveIndex < 128, Errors.UL_INVALID_INDEX); return (self.data >> (reserveIndex * 2)) & 3 != 0; } /** * @dev Used to validate if a user has been using the reserve for borrowing * @param self The configuration object * @param reserveIndex The index of the reserve in the bitmap * @return True if the user has been using a reserve for borrowing, false otherwise **/ function isBorrowing(DataTypes.UserConfigurationMap memory self, uint256 reserveIndex) internal pure returns (bool) { require(reserveIndex < 128, Errors.UL_INVALID_INDEX); return (self.data >> (reserveIndex * 2)) & 1 != 0; } /** * @dev Used to validate if a user has been using the reserve as collateral * @param self The configuration object * @param reserveIndex The index of the reserve in the bitmap * @return True if the user has been using a reserve as collateral, false otherwise **/ function isUsingAsCollateral(DataTypes.UserConfigurationMap memory self, uint256 reserveIndex) internal pure returns (bool) { require(reserveIndex < 128, Errors.UL_INVALID_INDEX); return (self.data >> (reserveIndex * 2 + 1)) & 1 != 0; } /** * @dev Used to validate if a user has been borrowing from any reserve * @param self The configuration object * @return True if the user has been borrowing any reserve, false otherwise **/ function isBorrowingAny(DataTypes.UserConfigurationMap memory self) internal pure returns (bool) { return self.data & BORROWING_MASK != 0; } /** * @dev Used to validate if a user has not been using any reserve * @param self The configuration object * @return True if the user has been borrowing any reserve, false otherwise **/ function isEmpty(DataTypes.UserConfigurationMap memory self) internal pure returns (bool) { return self.data == 0; } }
/contracts/protocol/libraries/helpers/Errors.sol
// SPDX-License-Identifier: agpl-3.0 pragma solidity 0.6.12; /** * @title Errors library * @author Aave * @notice Defines the error messages emitted by the different contracts of the Aave protocol * @dev Error messages prefix glossary: * - VL = ValidationLogic * - MATH = Math libraries * - CT = Common errors between tokens (AToken, VariableDebtToken and StableDebtToken) * - AT = AToken * - SDT = StableDebtToken * - VDT = VariableDebtToken * - LP = LendingPool * - LPAPR = LendingPoolAddressesProviderRegistry * - LPC = LendingPoolConfiguration * - RL = ReserveLogic * - LPCM = LendingPoolCollateralManager * - P = Pausable */ library Errors { //common errors string public constant CALLER_NOT_POOL_ADMIN = '33'; // 'The caller must be the pool admin' string public constant BORROW_ALLOWANCE_NOT_ENOUGH = '59'; // User borrows on behalf, but allowance are too small //contract specific errors string public constant VL_INVALID_AMOUNT = '1'; // 'Amount must be greater than 0' string public constant VL_NO_ACTIVE_RESERVE = '2'; // 'Action requires an active reserve' string public constant VL_RESERVE_FROZEN = '3'; // 'Action cannot be performed because the reserve is frozen' string public constant VL_CURRENT_AVAILABLE_LIQUIDITY_NOT_ENOUGH = '4'; // 'The current liquidity is not enough' string public constant VL_NOT_ENOUGH_AVAILABLE_USER_BALANCE = '5'; // 'User cannot withdraw more than the available balance' string public constant VL_TRANSFER_NOT_ALLOWED = '6'; // 'Transfer cannot be allowed.' string public constant VL_BORROWING_NOT_ENABLED = '7'; // 'Borrowing is not enabled' string public constant VL_INVALID_INTEREST_RATE_MODE_SELECTED = '8'; // 'Invalid interest rate mode selected' string public constant VL_COLLATERAL_BALANCE_IS_0 = '9'; // 'The collateral balance is 0' string public constant VL_HEALTH_FACTOR_LOWER_THAN_LIQUIDATION_THRESHOLD = '10'; // 'Health factor is lesser than the liquidation threshold' string public constant VL_COLLATERAL_CANNOT_COVER_NEW_BORROW = '11'; // 'There is not enough collateral to cover a new borrow' string public constant VL_STABLE_BORROWING_NOT_ENABLED = '12'; // stable borrowing not enabled string public constant VL_COLLATERAL_SAME_AS_BORROWING_CURRENCY = '13'; // collateral is (mostly) the same currency that is being borrowed string public constant VL_AMOUNT_BIGGER_THAN_MAX_LOAN_SIZE_STABLE = '14'; // 'The requested amount is greater than the max loan size in stable rate mode string public constant VL_NO_DEBT_OF_SELECTED_TYPE = '15'; // 'for repayment of stable debt, the user needs to have stable debt, otherwise, he needs to have variable debt' string public constant VL_NO_EXPLICIT_AMOUNT_TO_REPAY_ON_BEHALF = '16'; // 'To repay on behalf of an user an explicit amount to repay is needed' string public constant VL_NO_STABLE_RATE_LOAN_IN_RESERVE = '17'; // 'User does not have a stable rate loan in progress on this reserve' string public constant VL_NO_VARIABLE_RATE_LOAN_IN_RESERVE = '18'; // 'User does not have a variable rate loan in progress on this reserve' string public constant VL_UNDERLYING_BALANCE_NOT_GREATER_THAN_0 = '19'; // 'The underlying balance needs to be greater than 0' string public constant VL_DEPOSIT_ALREADY_IN_USE = '20'; // 'User deposit is already being used as collateral' string public constant LP_NOT_ENOUGH_STABLE_BORROW_BALANCE = '21'; // 'User does not have any stable rate loan for this reserve' string public constant LP_INTEREST_RATE_REBALANCE_CONDITIONS_NOT_MET = '22'; // 'Interest rate rebalance conditions were not met' string public constant LP_LIQUIDATION_CALL_FAILED = '23'; // 'Liquidation call failed' string public constant LP_NOT_ENOUGH_LIQUIDITY_TO_BORROW = '24'; // 'There is not enough liquidity available to borrow' string public constant LP_REQUESTED_AMOUNT_TOO_SMALL = '25'; // 'The requested amount is too small for a FlashLoan.' string public constant LP_INCONSISTENT_PROTOCOL_ACTUAL_BALANCE = '26'; // 'The actual balance of the protocol is inconsistent' string public constant LP_CALLER_NOT_LENDING_POOL_CONFIGURATOR = '27'; // 'The caller of the function is not the lending pool configurator' string public constant LP_INCONSISTENT_FLASHLOAN_PARAMS = '28'; string public constant CT_CALLER_MUST_BE_LENDING_POOL = '29'; // 'The caller of this function must be a lending pool' string public constant CT_CANNOT_GIVE_ALLOWANCE_TO_HIMSELF = '30'; // 'User cannot give allowance to himself' string public constant CT_TRANSFER_AMOUNT_NOT_GT_0 = '31'; // 'Transferred amount needs to be greater than zero' string public constant RL_RESERVE_ALREADY_INITIALIZED = '32'; // 'Reserve has already been initialized' string public constant LPC_RESERVE_LIQUIDITY_NOT_0 = '34'; // 'The liquidity of the reserve needs to be 0' string public constant LPC_INVALID_ATOKEN_POOL_ADDRESS = '35'; // 'The liquidity of the reserve needs to be 0' string public constant LPC_INVALID_STABLE_DEBT_TOKEN_POOL_ADDRESS = '36'; // 'The liquidity of the reserve needs to be 0' string public constant LPC_INVALID_VARIABLE_DEBT_TOKEN_POOL_ADDRESS = '37'; // 'The liquidity of the reserve needs to be 0' string public constant LPC_INVALID_STABLE_DEBT_TOKEN_UNDERLYING_ADDRESS = '38'; // 'The liquidity of the reserve needs to be 0' string public constant LPC_INVALID_VARIABLE_DEBT_TOKEN_UNDERLYING_ADDRESS = '39'; // 'The liquidity of the reserve needs to be 0' string public constant LPC_INVALID_ADDRESSES_PROVIDER_ID = '40'; // 'The liquidity of the reserve needs to be 0' string public constant LPC_INVALID_CONFIGURATION = '75'; // 'Invalid risk parameters for the reserve' string public constant LPC_CALLER_NOT_EMERGENCY_ADMIN = '76'; // 'The caller must be the emergency admin' string public constant LPAPR_PROVIDER_NOT_REGISTERED = '41'; // 'Provider is not registered' string public constant LPCM_HEALTH_FACTOR_NOT_BELOW_THRESHOLD = '42'; // 'Health factor is not below the threshold' string public constant LPCM_COLLATERAL_CANNOT_BE_LIQUIDATED = '43'; // 'The collateral chosen cannot be liquidated' string public constant LPCM_SPECIFIED_CURRENCY_NOT_BORROWED_BY_USER = '44'; // 'User did not borrow the specified currency' string public constant LPCM_NOT_ENOUGH_LIQUIDITY_TO_LIQUIDATE = '45'; // "There isn't enough liquidity available to liquidate" string public constant LPCM_NO_ERRORS = '46'; // 'No errors' string public constant LP_INVALID_FLASHLOAN_MODE = '47'; //Invalid flashloan mode selected string public constant MATH_MULTIPLICATION_OVERFLOW = '48'; string public constant MATH_ADDITION_OVERFLOW = '49'; string public constant MATH_DIVISION_BY_ZERO = '50'; string public constant RL_LIQUIDITY_INDEX_OVERFLOW = '51'; // Liquidity index overflows uint128 string public constant RL_VARIABLE_BORROW_INDEX_OVERFLOW = '52'; // Variable borrow index overflows uint128 string public constant RL_LIQUIDITY_RATE_OVERFLOW = '53'; // Liquidity rate overflows uint128 string public constant RL_VARIABLE_BORROW_RATE_OVERFLOW = '54'; // Variable borrow rate overflows uint128 string public constant RL_STABLE_BORROW_RATE_OVERFLOW = '55'; // Stable borrow rate overflows uint128 string public constant CT_INVALID_MINT_AMOUNT = '56'; //invalid amount to mint string public constant LP_FAILED_REPAY_WITH_COLLATERAL = '57'; string public constant CT_INVALID_BURN_AMOUNT = '58'; //invalid amount to burn string public constant LP_FAILED_COLLATERAL_SWAP = '60'; string public constant LP_INVALID_EQUAL_ASSETS_TO_SWAP = '61'; string public constant LP_REENTRANCY_NOT_ALLOWED = '62'; string public constant LP_CALLER_MUST_BE_AN_ATOKEN = '63'; string public constant LP_IS_PAUSED = '64'; // 'Pool is paused' string public constant LP_NO_MORE_RESERVES_ALLOWED = '65'; string public constant LP_INVALID_FLASH_LOAN_EXECUTOR_RETURN = '66'; string public constant RC_INVALID_LTV = '67'; string public constant RC_INVALID_LIQ_THRESHOLD = '68'; string public constant RC_INVALID_LIQ_BONUS = '69'; string public constant RC_INVALID_DECIMALS = '70'; string public constant RC_INVALID_RESERVE_FACTOR = '71'; string public constant LPAPR_INVALID_ADDRESSES_PROVIDER_ID = '72'; string public constant VL_INCONSISTENT_FLASHLOAN_PARAMS = '73'; string public constant LP_INCONSISTENT_PARAMS_LENGTH = '74'; string public constant UL_INVALID_INDEX = '77'; string public constant LP_NOT_CONTRACT = '78'; string public constant SDT_STABLE_DEBT_OVERFLOW = '79'; string public constant SDT_BURN_EXCEEDS_BALANCE = '80'; enum CollateralManagerErrors { NO_ERROR, NO_COLLATERAL_AVAILABLE, COLLATERAL_CANNOT_BE_LIQUIDATED, CURRRENCY_NOT_BORROWED, HEALTH_FACTOR_ABOVE_THRESHOLD, NOT_ENOUGH_LIQUIDITY, NO_ACTIVE_RESERVE, HEALTH_FACTOR_LOWER_THAN_LIQUIDATION_THRESHOLD, INVALID_EQUAL_ASSETS_TO_SWAP, FROZEN_RESERVE } }
/contracts/protocol/libraries/helpers/Helpers.sol
// SPDX-License-Identifier: agpl-3.0 pragma solidity 0.6.12; import {IERC20} from '../../../dependencies/openzeppelin/contracts/IERC20.sol'; import {DataTypes} from '../types/DataTypes.sol'; /** * @title Helpers library * @author Aave */ library Helpers { /** * @dev Fetches the user current stable and variable debt balances * @param user The user address * @param reserve The reserve data object * @return The stable and variable debt balance **/ function getUserCurrentDebt(address user, DataTypes.ReserveData storage reserve) internal view returns (uint256, uint256) { return ( IERC20(reserve.stableDebtTokenAddress).balanceOf(user), IERC20(reserve.variableDebtTokenAddress).balanceOf(user) ); } function getUserCurrentDebtMemory(address user, DataTypes.ReserveData memory reserve) internal view returns (uint256, uint256) { return ( IERC20(reserve.stableDebtTokenAddress).balanceOf(user), IERC20(reserve.variableDebtTokenAddress).balanceOf(user) ); } }
/contracts/protocol/libraries/logic/GenericLogic.sol
// SPDX-License-Identifier: agpl-3.0 pragma solidity 0.6.12; pragma experimental ABIEncoderV2; import {SafeMath} from '../../../dependencies/openzeppelin/contracts/SafeMath.sol'; import {IERC20} from '../../../dependencies/openzeppelin/contracts/IERC20.sol'; import {ReserveLogic} from './ReserveLogic.sol'; import {ReserveConfiguration} from '../configuration/ReserveConfiguration.sol'; import {UserConfiguration} from '../configuration/UserConfiguration.sol'; import {WadRayMath} from '../math/WadRayMath.sol'; import {PercentageMath} from '../math/PercentageMath.sol'; import {IPriceOracleGetter} from '../../../interfaces/IPriceOracleGetter.sol'; import {DataTypes} from '../types/DataTypes.sol'; /** * @title GenericLogic library * @author Aave * @title Implements protocol-level logic to calculate and validate the state of a user */ library GenericLogic { using ReserveLogic for DataTypes.ReserveData; using SafeMath for uint256; using WadRayMath for uint256; using PercentageMath for uint256; using ReserveConfiguration for DataTypes.ReserveConfigurationMap; using UserConfiguration for DataTypes.UserConfigurationMap; uint256 public constant HEALTH_FACTOR_LIQUIDATION_THRESHOLD = 1 ether; struct balanceDecreaseAllowedLocalVars { uint256 decimals; uint256 liquidationThreshold; uint256 totalCollateralInETH; uint256 totalDebtInETH; uint256 avgLiquidationThreshold; uint256 amountToDecreaseInETH; uint256 collateralBalanceAfterDecrease; uint256 liquidationThresholdAfterDecrease; uint256 healthFactorAfterDecrease; bool reserveUsageAsCollateralEnabled; } /** * @dev Checks if a specific balance decrease is allowed * (i.e. doesn't bring the user borrow position health factor under HEALTH_FACTOR_LIQUIDATION_THRESHOLD) * @param asset The address of the underlying asset of the reserve * @param user The address of the user * @param amount The amount to decrease * @param reservesData The data of all the reserves * @param userConfig The user configuration * @param reserves The list of all the active reserves * @param oracle The address of the oracle contract * @return true if the decrease of the balance is allowed **/ function balanceDecreaseAllowed( address asset, address user, uint256 amount, mapping(address => DataTypes.ReserveData) storage reservesData, DataTypes.UserConfigurationMap calldata userConfig, mapping(uint256 => address) storage reserves, uint256 reservesCount, address oracle ) external view returns (bool) { if (!userConfig.isBorrowingAny() || !userConfig.isUsingAsCollateral(reservesData[asset].id)) { return true; } balanceDecreaseAllowedLocalVars memory vars; (, vars.liquidationThreshold, , vars.decimals, ) = reservesData[asset] .configuration .getParams(); if (vars.liquidationThreshold == 0) { return true; } ( vars.totalCollateralInETH, vars.totalDebtInETH, , vars.avgLiquidationThreshold, ) = calculateUserAccountData(user, reservesData, userConfig, reserves, reservesCount, oracle); if (vars.totalDebtInETH == 0) { return true; } vars.amountToDecreaseInETH = IPriceOracleGetter(oracle).getAssetPrice(asset).mul(amount).div( 10**vars.decimals ); vars.collateralBalanceAfterDecrease = vars.totalCollateralInETH.sub(vars.amountToDecreaseInETH); //if there is a borrow, there can't be 0 collateral if (vars.collateralBalanceAfterDecrease == 0) { return false; } vars.liquidationThresholdAfterDecrease = vars .totalCollateralInETH .mul(vars.avgLiquidationThreshold) .sub(vars.amountToDecreaseInETH.mul(vars.liquidationThreshold)) .div(vars.collateralBalanceAfterDecrease); uint256 healthFactorAfterDecrease = calculateHealthFactorFromBalances( vars.collateralBalanceAfterDecrease, vars.totalDebtInETH, vars.liquidationThresholdAfterDecrease ); return healthFactorAfterDecrease >= GenericLogic.HEALTH_FACTOR_LIQUIDATION_THRESHOLD; } struct CalculateUserAccountDataVars { uint256 reserveUnitPrice; uint256 tokenUnit; uint256 compoundedLiquidityBalance; uint256 compoundedBorrowBalance; uint256 decimals; uint256 ltv; uint256 liquidationThreshold; uint256 i; uint256 healthFactor; uint256 totalCollateralInETH; uint256 totalDebtInETH; uint256 avgLtv; uint256 avgLiquidationThreshold; uint256 reservesLength; bool healthFactorBelowThreshold; address currentReserveAddress; bool usageAsCollateralEnabled; bool userUsesReserveAsCollateral; } /** * @dev Calculates the user data across the reserves. * this includes the total liquidity/collateral/borrow balances in ETH, * the average Loan To Value, the average Liquidation Ratio, and the Health factor. * @param user The address of the user * @param reservesData Data of all the reserves * @param userConfig The configuration of the user * @param reserves The list of the available reserves * @param oracle The price oracle address * @return The total collateral and total debt of the user in ETH, the avg ltv, liquidation threshold and the HF **/ function calculateUserAccountData( address user, mapping(address => DataTypes.ReserveData) storage reservesData, DataTypes.UserConfigurationMap memory userConfig, mapping(uint256 => address) storage reserves, uint256 reservesCount, address oracle ) internal view returns ( uint256, uint256, uint256, uint256, uint256 ) { CalculateUserAccountDataVars memory vars; if (userConfig.isEmpty()) { return (0, 0, 0, 0, uint256(-1)); } for (vars.i = 0; vars.i < reservesCount; vars.i++) { if (!userConfig.isUsingAsCollateralOrBorrowing(vars.i)) { continue; } vars.currentReserveAddress = reserves[vars.i]; DataTypes.ReserveData storage currentReserve = reservesData[vars.currentReserveAddress]; (vars.ltv, vars.liquidationThreshold, , vars.decimals, ) = currentReserve .configuration .getParams(); vars.tokenUnit = 10**vars.decimals; vars.reserveUnitPrice = IPriceOracleGetter(oracle).getAssetPrice(vars.currentReserveAddress); if (vars.liquidationThreshold != 0 && userConfig.isUsingAsCollateral(vars.i)) { vars.compoundedLiquidityBalance = IERC20(currentReserve.aTokenAddress).balanceOf(user); uint256 liquidityBalanceETH = vars.reserveUnitPrice.mul(vars.compoundedLiquidityBalance).div(vars.tokenUnit); vars.totalCollateralInETH = vars.totalCollateralInETH.add(liquidityBalanceETH); vars.avgLtv = vars.avgLtv.add(liquidityBalanceETH.mul(vars.ltv)); vars.avgLiquidationThreshold = vars.avgLiquidationThreshold.add( liquidityBalanceETH.mul(vars.liquidationThreshold) ); } if (userConfig.isBorrowing(vars.i)) { vars.compoundedBorrowBalance = IERC20(currentReserve.stableDebtTokenAddress).balanceOf( user ); vars.compoundedBorrowBalance = vars.compoundedBorrowBalance.add( IERC20(currentReserve.variableDebtTokenAddress).balanceOf(user) ); vars.totalDebtInETH = vars.totalDebtInETH.add( vars.reserveUnitPrice.mul(vars.compoundedBorrowBalance).div(vars.tokenUnit) ); } } vars.avgLtv = vars.totalCollateralInETH > 0 ? vars.avgLtv.div(vars.totalCollateralInETH) : 0; vars.avgLiquidationThreshold = vars.totalCollateralInETH > 0 ? vars.avgLiquidationThreshold.div(vars.totalCollateralInETH) : 0; vars.healthFactor = calculateHealthFactorFromBalances( vars.totalCollateralInETH, vars.totalDebtInETH, vars.avgLiquidationThreshold ); return ( vars.totalCollateralInETH, vars.totalDebtInETH, vars.avgLtv, vars.avgLiquidationThreshold, vars.healthFactor ); } /** * @dev Calculates the health factor from the corresponding balances * @param totalCollateralInETH The total collateral in ETH * @param totalDebtInETH The total debt in ETH * @param liquidationThreshold The avg liquidation threshold * @return The health factor calculated from the balances provided **/ function calculateHealthFactorFromBalances( uint256 totalCollateralInETH, uint256 totalDebtInETH, uint256 liquidationThreshold ) internal pure returns (uint256) { if (totalDebtInETH == 0) return uint256(-1); return (totalCollateralInETH.percentMul(liquidationThreshold)).wadDiv(totalDebtInETH); } /** * @dev Calculates the equivalent amount in ETH that an user can borrow, depending on the available collateral and the * average Loan To Value * @param totalCollateralInETH The total collateral in ETH * @param totalDebtInETH The total borrow balance * @param ltv The average loan to value * @return the amount available to borrow in ETH for the user **/ function calculateAvailableBorrowsETH( uint256 totalCollateralInETH, uint256 totalDebtInETH, uint256 ltv ) internal pure returns (uint256) { uint256 availableBorrowsETH = totalCollateralInETH.percentMul(ltv); if (availableBorrowsETH < totalDebtInETH) { return 0; } availableBorrowsETH = availableBorrowsETH.sub(totalDebtInETH); return availableBorrowsETH; } }
/contracts/protocol/libraries/logic/ReserveLogic.sol
// SPDX-License-Identifier: agpl-3.0 pragma solidity 0.6.12; import {SafeMath} from '../../../dependencies/openzeppelin/contracts/SafeMath.sol'; import {IERC20} from '../../../dependencies/openzeppelin/contracts/IERC20.sol'; import {SafeERC20} from '../../../dependencies/openzeppelin/contracts/SafeERC20.sol'; import {IAToken} from '../../../interfaces/IAToken.sol'; import {IStableDebtToken} from '../../../interfaces/IStableDebtToken.sol'; import {IVariableDebtToken} from '../../../interfaces/IVariableDebtToken.sol'; import {IReserveInterestRateStrategy} from '../../../interfaces/IReserveInterestRateStrategy.sol'; import {ReserveConfiguration} from '../configuration/ReserveConfiguration.sol'; import {MathUtils} from '../math/MathUtils.sol'; import {WadRayMath} from '../math/WadRayMath.sol'; import {PercentageMath} from '../math/PercentageMath.sol'; import {Errors} from '../helpers/Errors.sol'; import {DataTypes} from '../types/DataTypes.sol'; /** * @title ReserveLogic library * @author Aave * @notice Implements the logic to update the reserves state */ library ReserveLogic { using SafeMath for uint256; using WadRayMath for uint256; using PercentageMath for uint256; using SafeERC20 for IERC20; /** * @dev Emitted when the state of a reserve is updated * @param asset The address of the underlying asset of the reserve * @param liquidityRate The new liquidity rate * @param stableBorrowRate The new stable borrow rate * @param variableBorrowRate The new variable borrow rate * @param liquidityIndex The new liquidity index * @param variableBorrowIndex The new variable borrow index **/ event ReserveDataUpdated( address indexed asset, uint256 liquidityRate, uint256 stableBorrowRate, uint256 variableBorrowRate, uint256 liquidityIndex, uint256 variableBorrowIndex ); using ReserveLogic for DataTypes.ReserveData; using ReserveConfiguration for DataTypes.ReserveConfigurationMap; /** * @dev Returns the ongoing normalized income for the reserve * A value of 1e27 means there is no income. As time passes, the income is accrued * A value of 2*1e27 means for each unit of asset one unit of income has been accrued * @param reserve The reserve object * @return the normalized income. expressed in ray **/ function getNormalizedIncome(DataTypes.ReserveData storage reserve) internal view returns (uint256) { uint40 timestamp = reserve.lastUpdateTimestamp; //solium-disable-next-line if (timestamp == uint40(block.timestamp)) { //if the index was updated in the same block, no need to perform any calculation return reserve.liquidityIndex; } uint256 cumulated = MathUtils.calculateLinearInterest(reserve.currentLiquidityRate, timestamp).rayMul( reserve.liquidityIndex ); return cumulated; } /** * @dev Returns the ongoing normalized variable debt for the reserve * A value of 1e27 means there is no debt. As time passes, the income is accrued * A value of 2*1e27 means that for each unit of debt, one unit worth of interest has been accumulated * @param reserve The reserve object * @return The normalized variable debt. expressed in ray **/ function getNormalizedDebt(DataTypes.ReserveData storage reserve) internal view returns (uint256) { uint40 timestamp = reserve.lastUpdateTimestamp; //solium-disable-next-line if (timestamp == uint40(block.timestamp)) { //if the index was updated in the same block, no need to perform any calculation return reserve.variableBorrowIndex; } uint256 cumulated = MathUtils.calculateCompoundedInterest(reserve.currentVariableBorrowRate, timestamp).rayMul( reserve.variableBorrowIndex ); return cumulated; } /** * @dev Updates the liquidity cumulative index and the variable borrow index. * @param reserve the reserve object **/ function updateState(DataTypes.ReserveData storage reserve) internal { uint256 scaledVariableDebt = IVariableDebtToken(reserve.variableDebtTokenAddress).scaledTotalSupply(); uint256 previousVariableBorrowIndex = reserve.variableBorrowIndex; uint256 previousLiquidityIndex = reserve.liquidityIndex; uint40 lastUpdatedTimestamp = reserve.lastUpdateTimestamp; (uint256 newLiquidityIndex, uint256 newVariableBorrowIndex) = _updateIndexes( reserve, scaledVariableDebt, previousLiquidityIndex, previousVariableBorrowIndex, lastUpdatedTimestamp ); _mintToTreasury( reserve, scaledVariableDebt, previousVariableBorrowIndex, newLiquidityIndex, newVariableBorrowIndex, lastUpdatedTimestamp ); } /** * @dev Accumulates a predefined amount of asset to the reserve as a fixed, instantaneous income. Used for example to accumulate * the flashloan fee to the reserve, and spread it between all the depositors * @param reserve The reserve object * @param totalLiquidity The total liquidity available in the reserve * @param amount The amount to accomulate **/ function cumulateToLiquidityIndex( DataTypes.ReserveData storage reserve, uint256 totalLiquidity, uint256 amount ) internal { uint256 amountToLiquidityRatio = amount.wadToRay().rayDiv(totalLiquidity.wadToRay()); uint256 result = amountToLiquidityRatio.add(WadRayMath.ray()); result = result.rayMul(reserve.liquidityIndex); require(result <= type(uint128).max, Errors.RL_LIQUIDITY_INDEX_OVERFLOW); reserve.liquidityIndex = uint128(result); } /** * @dev Initializes a reserve * @param reserve The reserve object * @param aTokenAddress The address of the overlying atoken contract * @param interestRateStrategyAddress The address of the interest rate strategy contract **/ function init( DataTypes.ReserveData storage reserve, address aTokenAddress, address stableDebtTokenAddress, address variableDebtTokenAddress, address interestRateStrategyAddress ) external { require(reserve.aTokenAddress == address(0), Errors.RL_RESERVE_ALREADY_INITIALIZED); reserve.liquidityIndex = uint128(WadRayMath.ray()); reserve.variableBorrowIndex = uint128(WadRayMath.ray()); reserve.aTokenAddress = aTokenAddress; reserve.stableDebtTokenAddress = stableDebtTokenAddress; reserve.variableDebtTokenAddress = variableDebtTokenAddress; reserve.interestRateStrategyAddress = interestRateStrategyAddress; } struct UpdateInterestRatesLocalVars { address stableDebtTokenAddress; uint256 availableLiquidity; uint256 totalStableDebt; uint256 newLiquidityRate; uint256 newStableRate; uint256 newVariableRate; uint256 avgStableRate; uint256 totalVariableDebt; } /** * @dev Updates the reserve current stable borrow rate, the current variable borrow rate and the current liquidity rate * @param reserve The address of the reserve to be updated * @param liquidityAdded The amount of liquidity added to the protocol (deposit or repay) in the previous action * @param liquidityTaken The amount of liquidity taken from the protocol (redeem or borrow) **/ function updateInterestRates( DataTypes.ReserveData storage reserve, address reserveAddress, address aTokenAddress, uint256 liquidityAdded, uint256 liquidityTaken ) internal { UpdateInterestRatesLocalVars memory vars; vars.stableDebtTokenAddress = reserve.stableDebtTokenAddress; (vars.totalStableDebt, vars.avgStableRate) = IStableDebtToken(vars.stableDebtTokenAddress) .getTotalSupplyAndAvgRate(); //calculates the total variable debt locally using the scaled total supply instead //of totalSupply(), as it's noticeably cheaper. Also, the index has been //updated by the previous updateState() call vars.totalVariableDebt = IVariableDebtToken(reserve.variableDebtTokenAddress) .scaledTotalSupply() .rayMul(reserve.variableBorrowIndex); ( vars.newLiquidityRate, vars.newStableRate, vars.newVariableRate ) = IReserveInterestRateStrategy(reserve.interestRateStrategyAddress).calculateInterestRates( reserveAddress, aTokenAddress, liquidityAdded, liquidityTaken, vars.totalStableDebt, vars.totalVariableDebt, vars.avgStableRate, reserve.configuration.getReserveFactor() ); require(vars.newLiquidityRate <= type(uint128).max, Errors.RL_LIQUIDITY_RATE_OVERFLOW); require(vars.newStableRate <= type(uint128).max, Errors.RL_STABLE_BORROW_RATE_OVERFLOW); require(vars.newVariableRate <= type(uint128).max, Errors.RL_VARIABLE_BORROW_RATE_OVERFLOW); reserve.currentLiquidityRate = uint128(vars.newLiquidityRate); reserve.currentStableBorrowRate = uint128(vars.newStableRate); reserve.currentVariableBorrowRate = uint128(vars.newVariableRate); emit ReserveDataUpdated( reserveAddress, vars.newLiquidityRate, vars.newStableRate, vars.newVariableRate, reserve.liquidityIndex, reserve.variableBorrowIndex ); } struct MintToTreasuryLocalVars { uint256 currentStableDebt; uint256 principalStableDebt; uint256 previousStableDebt; uint256 currentVariableDebt; uint256 previousVariableDebt; uint256 avgStableRate; uint256 cumulatedStableInterest; uint256 totalDebtAccrued; uint256 amountToMint; uint256 reserveFactor; uint40 stableSupplyUpdatedTimestamp; } /** * @dev Mints part of the repaid interest to the reserve treasury as a function of the reserveFactor for the * specific asset. * @param reserve The reserve reserve to be updated * @param scaledVariableDebt The current scaled total variable debt * @param previousVariableBorrowIndex The variable borrow index before the last accumulation of the interest * @param newLiquidityIndex The new liquidity index * @param newVariableBorrowIndex The variable borrow index after the last accumulation of the interest **/ function _mintToTreasury( DataTypes.ReserveData storage reserve, uint256 scaledVariableDebt, uint256 previousVariableBorrowIndex, uint256 newLiquidityIndex, uint256 newVariableBorrowIndex, uint40 timestamp ) internal { MintToTreasuryLocalVars memory vars; vars.reserveFactor = reserve.configuration.getReserveFactor(); if (vars.reserveFactor == 0) { return; } //fetching the principal, total stable debt and the avg stable rate ( vars.principalStableDebt, vars.currentStableDebt, vars.avgStableRate, vars.stableSupplyUpdatedTimestamp ) = IStableDebtToken(reserve.stableDebtTokenAddress).getSupplyData(); //calculate the last principal variable debt vars.previousVariableDebt = scaledVariableDebt.rayMul(previousVariableBorrowIndex); //calculate the new total supply after accumulation of the index vars.currentVariableDebt = scaledVariableDebt.rayMul(newVariableBorrowIndex); //calculate the stable debt until the last timestamp update vars.cumulatedStableInterest = MathUtils.calculateCompoundedInterest( vars.avgStableRate, vars.stableSupplyUpdatedTimestamp, timestamp ); vars.previousStableDebt = vars.principalStableDebt.rayMul(vars.cumulatedStableInterest); //debt accrued is the sum of the current debt minus the sum of the debt at the last update vars.totalDebtAccrued = vars .currentVariableDebt .add(vars.currentStableDebt) .sub(vars.previousVariableDebt) .sub(vars.previousStableDebt); vars.amountToMint = vars.totalDebtAccrued.percentMul(vars.reserveFactor); if (vars.amountToMint != 0) { IAToken(reserve.aTokenAddress).mintToTreasury(vars.amountToMint, newLiquidityIndex); } } /** * @dev Updates the reserve indexes and the timestamp of the update * @param reserve The reserve reserve to be updated * @param scaledVariableDebt The scaled variable debt * @param liquidityIndex The last stored liquidity index * @param variableBorrowIndex The last stored variable borrow index **/ function _updateIndexes( DataTypes.ReserveData storage reserve, uint256 scaledVariableDebt, uint256 liquidityIndex, uint256 variableBorrowIndex, uint40 timestamp ) internal returns (uint256, uint256) { uint256 currentLiquidityRate = reserve.currentLiquidityRate; uint256 newLiquidityIndex = liquidityIndex; uint256 newVariableBorrowIndex = variableBorrowIndex; //only cumulating if there is any income being produced if (currentLiquidityRate > 0) { uint256 cumulatedLiquidityInterest = MathUtils.calculateLinearInterest(currentLiquidityRate, timestamp); newLiquidityIndex = cumulatedLiquidityInterest.rayMul(liquidityIndex); require(newLiquidityIndex <= type(uint128).max, Errors.RL_LIQUIDITY_INDEX_OVERFLOW); reserve.liquidityIndex = uint128(newLiquidityIndex); //as the liquidity rate might come only from stable rate loans, we need to ensure //that there is actual variable debt before accumulating if (scaledVariableDebt != 0) { uint256 cumulatedVariableBorrowInterest = MathUtils.calculateCompoundedInterest(reserve.currentVariableBorrowRate, timestamp); newVariableBorrowIndex = cumulatedVariableBorrowInterest.rayMul(variableBorrowIndex); require( newVariableBorrowIndex <= type(uint128).max, Errors.RL_VARIABLE_BORROW_INDEX_OVERFLOW ); reserve.variableBorrowIndex = uint128(newVariableBorrowIndex); } } //solium-disable-next-line reserve.lastUpdateTimestamp = uint40(block.timestamp); return (newLiquidityIndex, newVariableBorrowIndex); } }
/contracts/protocol/libraries/logic/ValidationLogic.sol
// SPDX-License-Identifier: agpl-3.0 pragma solidity 0.6.12; pragma experimental ABIEncoderV2; import {SafeMath} from '../../../dependencies/openzeppelin/contracts/SafeMath.sol'; import {IERC20} from '../../../dependencies/openzeppelin/contracts/IERC20.sol'; import {ReserveLogic} from './ReserveLogic.sol'; import {GenericLogic} from './GenericLogic.sol'; import {WadRayMath} from '../math/WadRayMath.sol'; import {PercentageMath} from '../math/PercentageMath.sol'; import {SafeERC20} from '../../../dependencies/openzeppelin/contracts/SafeERC20.sol'; import {ReserveConfiguration} from '../configuration/ReserveConfiguration.sol'; import {UserConfiguration} from '../configuration/UserConfiguration.sol'; import {Errors} from '../helpers/Errors.sol'; import {Helpers} from '../helpers/Helpers.sol'; import {IReserveInterestRateStrategy} from '../../../interfaces/IReserveInterestRateStrategy.sol'; import {DataTypes} from '../types/DataTypes.sol'; /** * @title ReserveLogic library * @author Aave * @notice Implements functions to validate the different actions of the protocol */ library ValidationLogic { using ReserveLogic for DataTypes.ReserveData; using SafeMath for uint256; using WadRayMath for uint256; using PercentageMath for uint256; using SafeERC20 for IERC20; using ReserveConfiguration for DataTypes.ReserveConfigurationMap; using UserConfiguration for DataTypes.UserConfigurationMap; uint256 public constant REBALANCE_UP_LIQUIDITY_RATE_THRESHOLD = 4000; uint256 public constant REBALANCE_UP_USAGE_RATIO_THRESHOLD = 0.95 * 1e27; //usage ratio of 95% /** * @dev Validates a deposit action * @param reserve The reserve object on which the user is depositing * @param amount The amount to be deposited */ function validateDeposit(DataTypes.ReserveData storage reserve, uint256 amount) external view { (bool isActive, bool isFrozen, , ) = reserve.configuration.getFlags(); require(amount != 0, Errors.VL_INVALID_AMOUNT); require(isActive, Errors.VL_NO_ACTIVE_RESERVE); require(!isFrozen, Errors.VL_RESERVE_FROZEN); } /** * @dev Validates a withdraw action * @param reserveAddress The address of the reserve * @param amount The amount to be withdrawn * @param userBalance The balance of the user * @param reservesData The reserves state * @param userConfig The user configuration * @param reserves The addresses of the reserves * @param reservesCount The number of reserves * @param oracle The price oracle */ function validateWithdraw( address reserveAddress, uint256 amount, uint256 userBalance, mapping(address => DataTypes.ReserveData) storage reservesData, DataTypes.UserConfigurationMap storage userConfig, mapping(uint256 => address) storage reserves, uint256 reservesCount, address oracle ) external view { require(amount != 0, Errors.VL_INVALID_AMOUNT); require(amount <= userBalance, Errors.VL_NOT_ENOUGH_AVAILABLE_USER_BALANCE); (bool isActive, , , ) = reservesData[reserveAddress].configuration.getFlags(); require(isActive, Errors.VL_NO_ACTIVE_RESERVE); require( GenericLogic.balanceDecreaseAllowed( reserveAddress, msg.sender, amount, reservesData, userConfig, reserves, reservesCount, oracle ), Errors.VL_TRANSFER_NOT_ALLOWED ); } struct ValidateBorrowLocalVars { uint256 currentLtv; uint256 currentLiquidationThreshold; uint256 amountOfCollateralNeededETH; uint256 userCollateralBalanceETH; uint256 userBorrowBalanceETH; uint256 availableLiquidity; uint256 healthFactor; bool isActive; bool isFrozen; bool borrowingEnabled; bool stableRateBorrowingEnabled; } /** * @dev Validates a borrow action * @param asset The address of the asset to borrow * @param reserve The reserve state from which the user is borrowing * @param userAddress The address of the user * @param amount The amount to be borrowed * @param amountInETH The amount to be borrowed, in ETH * @param interestRateMode The interest rate mode at which the user is borrowing * @param maxStableLoanPercent The max amount of the liquidity that can be borrowed at stable rate, in percentage * @param reservesData The state of all the reserves * @param userConfig The state of the user for the specific reserve * @param reserves The addresses of all the active reserves * @param oracle The price oracle */ function validateBorrow( address asset, DataTypes.ReserveData storage reserve, address userAddress, uint256 amount, uint256 amountInETH, uint256 interestRateMode, uint256 maxStableLoanPercent, mapping(address => DataTypes.ReserveData) storage reservesData, DataTypes.UserConfigurationMap storage userConfig, mapping(uint256 => address) storage reserves, uint256 reservesCount, address oracle ) external view { ValidateBorrowLocalVars memory vars; (vars.isActive, vars.isFrozen, vars.borrowingEnabled, vars.stableRateBorrowingEnabled) = reserve .configuration .getFlags(); require(vars.isActive, Errors.VL_NO_ACTIVE_RESERVE); require(!vars.isFrozen, Errors.VL_RESERVE_FROZEN); require(amount != 0, Errors.VL_INVALID_AMOUNT); require(vars.borrowingEnabled, Errors.VL_BORROWING_NOT_ENABLED); //validate interest rate mode require( uint256(DataTypes.InterestRateMode.VARIABLE) == interestRateMode || uint256(DataTypes.InterestRateMode.STABLE) == interestRateMode, Errors.VL_INVALID_INTEREST_RATE_MODE_SELECTED ); ( vars.userCollateralBalanceETH, vars.userBorrowBalanceETH, vars.currentLtv, vars.currentLiquidationThreshold, vars.healthFactor ) = GenericLogic.calculateUserAccountData( userAddress, reservesData, userConfig, reserves, reservesCount, oracle ); require(vars.userCollateralBalanceETH > 0, Errors.VL_COLLATERAL_BALANCE_IS_0); require( vars.healthFactor > GenericLogic.HEALTH_FACTOR_LIQUIDATION_THRESHOLD, Errors.VL_HEALTH_FACTOR_LOWER_THAN_LIQUIDATION_THRESHOLD ); //add the current already borrowed amount to the amount requested to calculate the total collateral needed. vars.amountOfCollateralNeededETH = vars.userBorrowBalanceETH.add(amountInETH).percentDiv( vars.currentLtv ); //LTV is calculated in percentage require( vars.amountOfCollateralNeededETH <= vars.userCollateralBalanceETH, Errors.VL_COLLATERAL_CANNOT_COVER_NEW_BORROW ); /** * Following conditions need to be met if the user is borrowing at a stable rate: * 1. Reserve must be enabled for stable rate borrowing * 2. Users cannot borrow from the reserve if their collateral is (mostly) the same currency * they are borrowing, to prevent abuses. * 3. Users will be able to borrow only a portion of the total available liquidity **/ if (interestRateMode == uint256(DataTypes.InterestRateMode.STABLE)) { //check if the borrow mode is stable and if stable rate borrowing is enabled on this reserve require(vars.stableRateBorrowingEnabled, Errors.VL_STABLE_BORROWING_NOT_ENABLED); require( !userConfig.isUsingAsCollateral(reserve.id) || reserve.configuration.getLtv() == 0 || amount > IERC20(reserve.aTokenAddress).balanceOf(userAddress), Errors.VL_COLLATERAL_SAME_AS_BORROWING_CURRENCY ); vars.availableLiquidity = IERC20(asset).balanceOf(reserve.aTokenAddress); //calculate the max available loan size in stable rate mode as a percentage of the //available liquidity uint256 maxLoanSizeStable = vars.availableLiquidity.percentMul(maxStableLoanPercent); require(amount <= maxLoanSizeStable, Errors.VL_AMOUNT_BIGGER_THAN_MAX_LOAN_SIZE_STABLE); } } /** * @dev Validates a repay action * @param reserve The reserve state from which the user is repaying * @param amountSent The amount sent for the repayment. Can be an actual value or uint(-1) * @param onBehalfOf The address of the user msg.sender is repaying for * @param stableDebt The borrow balance of the user * @param variableDebt The borrow balance of the user */ function validateRepay( DataTypes.ReserveData storage reserve, uint256 amountSent, DataTypes.InterestRateMode rateMode, address onBehalfOf, uint256 stableDebt, uint256 variableDebt ) external view { bool isActive = reserve.configuration.getActive(); require(isActive, Errors.VL_NO_ACTIVE_RESERVE); require(amountSent > 0, Errors.VL_INVALID_AMOUNT); require( (stableDebt > 0 && DataTypes.InterestRateMode(rateMode) == DataTypes.InterestRateMode.STABLE) || (variableDebt > 0 && DataTypes.InterestRateMode(rateMode) == DataTypes.InterestRateMode.VARIABLE), Errors.VL_NO_DEBT_OF_SELECTED_TYPE ); require( amountSent != uint256(-1) || msg.sender == onBehalfOf, Errors.VL_NO_EXPLICIT_AMOUNT_TO_REPAY_ON_BEHALF ); } /** * @dev Validates a swap of borrow rate mode. * @param reserve The reserve state on which the user is swapping the rate * @param userConfig The user reserves configuration * @param stableDebt The stable debt of the user * @param variableDebt The variable debt of the user * @param currentRateMode The rate mode of the borrow */ function validateSwapRateMode( DataTypes.ReserveData storage reserve, DataTypes.UserConfigurationMap storage userConfig, uint256 stableDebt, uint256 variableDebt, DataTypes.InterestRateMode currentRateMode ) external view { (bool isActive, bool isFrozen, , bool stableRateEnabled) = reserve.configuration.getFlags(); require(isActive, Errors.VL_NO_ACTIVE_RESERVE); require(!isFrozen, Errors.VL_RESERVE_FROZEN); if (currentRateMode == DataTypes.InterestRateMode.STABLE) { require(stableDebt > 0, Errors.VL_NO_STABLE_RATE_LOAN_IN_RESERVE); } else if (currentRateMode == DataTypes.InterestRateMode.VARIABLE) { require(variableDebt > 0, Errors.VL_NO_VARIABLE_RATE_LOAN_IN_RESERVE); /** * user wants to swap to stable, before swapping we need to ensure that * 1. stable borrow rate is enabled on the reserve * 2. user is not trying to abuse the reserve by depositing * more collateral than he is borrowing, artificially lowering * the interest rate, borrowing at variable, and switching to stable **/ require(stableRateEnabled, Errors.VL_STABLE_BORROWING_NOT_ENABLED); require( !userConfig.isUsingAsCollateral(reserve.id) || reserve.configuration.getLtv() == 0 || stableDebt.add(variableDebt) > IERC20(reserve.aTokenAddress).balanceOf(msg.sender), Errors.VL_COLLATERAL_SAME_AS_BORROWING_CURRENCY ); } else { revert(Errors.VL_INVALID_INTEREST_RATE_MODE_SELECTED); } } /** * @dev Validates a stable borrow rate rebalance action * @param reserve The reserve state on which the user is getting rebalanced * @param reserveAddress The address of the reserve * @param stableDebtToken The stable debt token instance * @param variableDebtToken The variable debt token instance * @param aTokenAddress The address of the aToken contract */ function validateRebalanceStableBorrowRate( DataTypes.ReserveData storage reserve, address reserveAddress, IERC20 stableDebtToken, IERC20 variableDebtToken, address aTokenAddress ) external view { (bool isActive, , , ) = reserve.configuration.getFlags(); require(isActive, Errors.VL_NO_ACTIVE_RESERVE); //if the usage ratio is below 95%, no rebalances are needed uint256 totalDebt = stableDebtToken.totalSupply().add(variableDebtToken.totalSupply()).wadToRay(); uint256 availableLiquidity = IERC20(reserveAddress).balanceOf(aTokenAddress).wadToRay(); uint256 usageRatio = totalDebt == 0 ? 0 : totalDebt.rayDiv(availableLiquidity.add(totalDebt)); //if the liquidity rate is below REBALANCE_UP_THRESHOLD of the max variable APR at 95% usage, //then we allow rebalancing of the stable rate positions. uint256 currentLiquidityRate = reserve.currentLiquidityRate; uint256 maxVariableBorrowRate = IReserveInterestRateStrategy(reserve.interestRateStrategyAddress).getMaxVariableBorrowRate(); require( usageRatio >= REBALANCE_UP_USAGE_RATIO_THRESHOLD && currentLiquidityRate <= maxVariableBorrowRate.percentMul(REBALANCE_UP_LIQUIDITY_RATE_THRESHOLD), Errors.LP_INTEREST_RATE_REBALANCE_CONDITIONS_NOT_MET ); } /** * @dev Validates the action of setting an asset as collateral * @param reserve The state of the reserve that the user is enabling or disabling as collateral * @param reserveAddress The address of the reserve * @param reservesData The data of all the reserves * @param userConfig The state of the user for the specific reserve * @param reserves The addresses of all the active reserves * @param oracle The price oracle */ function validateSetUseReserveAsCollateral( DataTypes.ReserveData storage reserve, address reserveAddress, bool useAsCollateral, mapping(address => DataTypes.ReserveData) storage reservesData, DataTypes.UserConfigurationMap storage userConfig, mapping(uint256 => address) storage reserves, uint256 reservesCount, address oracle ) external view { uint256 underlyingBalance = IERC20(reserve.aTokenAddress).balanceOf(msg.sender); require(underlyingBalance > 0, Errors.VL_UNDERLYING_BALANCE_NOT_GREATER_THAN_0); require( useAsCollateral || GenericLogic.balanceDecreaseAllowed( reserveAddress, msg.sender, underlyingBalance, reservesData, userConfig, reserves, reservesCount, oracle ), Errors.VL_DEPOSIT_ALREADY_IN_USE ); } /** * @dev Validates a flashloan action * @param assets The assets being flashborrowed * @param amounts The amounts for each asset being borrowed **/ function validateFlashloan(address[] memory assets, uint256[] memory amounts) internal pure { require(assets.length == amounts.length, Errors.VL_INCONSISTENT_FLASHLOAN_PARAMS); } /** * @dev Validates the liquidation action * @param collateralReserve The reserve data of the collateral * @param principalReserve The reserve data of the principal * @param userConfig The user configuration * @param userHealthFactor The user's health factor * @param userStableDebt Total stable debt balance of the user * @param userVariableDebt Total variable debt balance of the user **/ function validateLiquidationCall( DataTypes.ReserveData storage collateralReserve, DataTypes.ReserveData storage principalReserve, DataTypes.UserConfigurationMap storage userConfig, uint256 userHealthFactor, uint256 userStableDebt, uint256 userVariableDebt ) internal view returns (uint256, string memory) { if ( !collateralReserve.configuration.getActive() || !principalReserve.configuration.getActive() ) { return ( uint256(Errors.CollateralManagerErrors.NO_ACTIVE_RESERVE), Errors.VL_NO_ACTIVE_RESERVE ); } if (userHealthFactor >= GenericLogic.HEALTH_FACTOR_LIQUIDATION_THRESHOLD) { return ( uint256(Errors.CollateralManagerErrors.HEALTH_FACTOR_ABOVE_THRESHOLD), Errors.LPCM_HEALTH_FACTOR_NOT_BELOW_THRESHOLD ); } bool isCollateralEnabled = collateralReserve.configuration.getLiquidationThreshold() > 0 && userConfig.isUsingAsCollateral(collateralReserve.id); //if collateral isn't enabled as collateral by user, it cannot be liquidated if (!isCollateralEnabled) { return ( uint256(Errors.CollateralManagerErrors.COLLATERAL_CANNOT_BE_LIQUIDATED), Errors.LPCM_COLLATERAL_CANNOT_BE_LIQUIDATED ); } if (userStableDebt == 0 && userVariableDebt == 0) { return ( uint256(Errors.CollateralManagerErrors.CURRRENCY_NOT_BORROWED), Errors.LPCM_SPECIFIED_CURRENCY_NOT_BORROWED_BY_USER ); } return (uint256(Errors.CollateralManagerErrors.NO_ERROR), Errors.LPCM_NO_ERRORS); } /** * @dev Validates an aToken transfer * @param from The user from which the aTokens are being transferred * @param reservesData The state of all the reserves * @param userConfig The state of the user for the specific reserve * @param reserves The addresses of all the active reserves * @param oracle The price oracle */ function validateTransfer( address from, mapping(address => DataTypes.ReserveData) storage reservesData, DataTypes.UserConfigurationMap storage userConfig, mapping(uint256 => address) storage reserves, uint256 reservesCount, address oracle ) internal view { (, , , , uint256 healthFactor) = GenericLogic.calculateUserAccountData( from, reservesData, userConfig, reserves, reservesCount, oracle ); require( healthFactor >= GenericLogic.HEALTH_FACTOR_LIQUIDATION_THRESHOLD, Errors.VL_TRANSFER_NOT_ALLOWED ); } }
/contracts/protocol/libraries/math/MathUtils.sol
// SPDX-License-Identifier: agpl-3.0 pragma solidity 0.6.12; import {SafeMath} from '../../../dependencies/openzeppelin/contracts/SafeMath.sol'; import {WadRayMath} from './WadRayMath.sol'; library MathUtils { using SafeMath for uint256; using WadRayMath for uint256; /// @dev Ignoring leap years uint256 internal constant SECONDS_PER_YEAR = 365 days; /** * @dev Function to calculate the interest accumulated using a linear interest rate formula * @param rate The interest rate, in ray * @param lastUpdateTimestamp The timestamp of the last update of the interest * @return The interest rate linearly accumulated during the timeDelta, in ray **/ function calculateLinearInterest(uint256 rate, uint40 lastUpdateTimestamp) internal view returns (uint256) { //solium-disable-next-line uint256 timeDifference = block.timestamp.sub(uint256(lastUpdateTimestamp)); return (rate.mul(timeDifference) / SECONDS_PER_YEAR).add(WadRayMath.ray()); } /** * @dev Function to calculate the interest using a compounded interest rate formula * To avoid expensive exponentiation, the calculation is performed using a binomial approximation: * * (1+x)^n = 1+n*x+[n/2*(n-1)]*x^2+[n/6*(n-1)*(n-2)*x^3... * * The approximation slightly underpays liquidity providers and undercharges borrowers, with the advantage of great gas cost reductions * The whitepaper contains reference to the approximation and a table showing the margin of error per different time periods * * @param rate The interest rate, in ray * @param lastUpdateTimestamp The timestamp of the last update of the interest * @return The interest rate compounded during the timeDelta, in ray **/ function calculateCompoundedInterest( uint256 rate, uint40 lastUpdateTimestamp, uint256 currentTimestamp ) internal pure returns (uint256) { //solium-disable-next-line uint256 exp = currentTimestamp.sub(uint256(lastUpdateTimestamp)); if (exp == 0) { return WadRayMath.ray(); } uint256 expMinusOne = exp - 1; uint256 expMinusTwo = exp > 2 ? exp - 2 : 0; uint256 ratePerSecond = rate / SECONDS_PER_YEAR; uint256 basePowerTwo = ratePerSecond.rayMul(ratePerSecond); uint256 basePowerThree = basePowerTwo.rayMul(ratePerSecond); uint256 secondTerm = exp.mul(expMinusOne).mul(basePowerTwo) / 2; uint256 thirdTerm = exp.mul(expMinusOne).mul(expMinusTwo).mul(basePowerThree) / 6; return WadRayMath.ray().add(ratePerSecond.mul(exp)).add(secondTerm).add(thirdTerm); } /** * @dev Calculates the compounded interest between the timestamp of the last update and the current block timestamp * @param rate The interest rate (in ray) * @param lastUpdateTimestamp The timestamp from which the interest accumulation needs to be calculated **/ function calculateCompoundedInterest(uint256 rate, uint40 lastUpdateTimestamp) internal view returns (uint256) { return calculateCompoundedInterest(rate, lastUpdateTimestamp, block.timestamp); } }
/contracts/protocol/libraries/math/PercentageMath.sol
// SPDX-License-Identifier: agpl-3.0 pragma solidity 0.6.12; import {Errors} from '../helpers/Errors.sol'; /** * @title PercentageMath library * @author Aave * @notice Provides functions to perform percentage calculations * @dev Percentages are defined by default with 2 decimals of precision (100.00). The precision is indicated by PERCENTAGE_FACTOR * @dev Operations are rounded half up **/ library PercentageMath { uint256 constant PERCENTAGE_FACTOR = 1e4; //percentage plus two decimals uint256 constant HALF_PERCENT = PERCENTAGE_FACTOR / 2; /** * @dev Executes a percentage multiplication * @param value The value of which the percentage needs to be calculated * @param percentage The percentage of the value to be calculated * @return The percentage of value **/ function percentMul(uint256 value, uint256 percentage) internal pure returns (uint256) { if (value == 0 || percentage == 0) { return 0; } require( value <= (type(uint256).max - HALF_PERCENT) / percentage, Errors.MATH_MULTIPLICATION_OVERFLOW ); return (value * percentage + HALF_PERCENT) / PERCENTAGE_FACTOR; } /** * @dev Executes a percentage division * @param value The value of which the percentage needs to be calculated * @param percentage The percentage of the value to be calculated * @return The value divided the percentage **/ function percentDiv(uint256 value, uint256 percentage) internal pure returns (uint256) { require(percentage != 0, Errors.MATH_DIVISION_BY_ZERO); uint256 halfPercentage = percentage / 2; require( value <= (type(uint256).max - halfPercentage) / PERCENTAGE_FACTOR, Errors.MATH_MULTIPLICATION_OVERFLOW ); return (value * PERCENTAGE_FACTOR + halfPercentage) / percentage; } }
/contracts/protocol/libraries/math/WadRayMath.sol
// SPDX-License-Identifier: agpl-3.0 pragma solidity 0.6.12; import {Errors} from '../helpers/Errors.sol'; /** * @title WadRayMath library * @author Aave * @dev Provides mul and div function for wads (decimal numbers with 18 digits precision) and rays (decimals with 27 digits) **/ library WadRayMath { uint256 internal constant WAD = 1e18; uint256 internal constant halfWAD = WAD / 2; uint256 internal constant RAY = 1e27; uint256 internal constant halfRAY = RAY / 2; uint256 internal constant WAD_RAY_RATIO = 1e9; /** * @return One ray, 1e27 **/ function ray() internal pure returns (uint256) { return RAY; } /** * @return One wad, 1e18 **/ function wad() internal pure returns (uint256) { return WAD; } /** * @return Half ray, 1e27/2 **/ function halfRay() internal pure returns (uint256) { return halfRAY; } /** * @return Half ray, 1e18/2 **/ function halfWad() internal pure returns (uint256) { return halfWAD; } /** * @dev Multiplies two wad, rounding half up to the nearest wad * @param a Wad * @param b Wad * @return The result of a*b, in wad **/ function wadMul(uint256 a, uint256 b) internal pure returns (uint256) { if (a == 0 || b == 0) { return 0; } require(a <= (type(uint256).max - halfWAD) / b, Errors.MATH_MULTIPLICATION_OVERFLOW); return (a * b + halfWAD) / WAD; } /** * @dev Divides two wad, rounding half up to the nearest wad * @param a Wad * @param b Wad * @return The result of a/b, in wad **/ function wadDiv(uint256 a, uint256 b) internal pure returns (uint256) { require(b != 0, Errors.MATH_DIVISION_BY_ZERO); uint256 halfB = b / 2; require(a <= (type(uint256).max - halfB) / WAD, Errors.MATH_MULTIPLICATION_OVERFLOW); return (a * WAD + halfB) / b; } /** * @dev Multiplies two ray, rounding half up to the nearest ray * @param a Ray * @param b Ray * @return The result of a*b, in ray **/ function rayMul(uint256 a, uint256 b) internal pure returns (uint256) { if (a == 0 || b == 0) { return 0; } require(a <= (type(uint256).max - halfRAY) / b, Errors.MATH_MULTIPLICATION_OVERFLOW); return (a * b + halfRAY) / RAY; } /** * @dev Divides two ray, rounding half up to the nearest ray * @param a Ray * @param b Ray * @return The result of a/b, in ray **/ function rayDiv(uint256 a, uint256 b) internal pure returns (uint256) { require(b != 0, Errors.MATH_DIVISION_BY_ZERO); uint256 halfB = b / 2; require(a <= (type(uint256).max - halfB) / RAY, Errors.MATH_MULTIPLICATION_OVERFLOW); return (a * RAY + halfB) / b; } /** * @dev Casts ray down to wad * @param a Ray * @return a casted to wad, rounded half up to the nearest wad **/ function rayToWad(uint256 a) internal pure returns (uint256) { uint256 halfRatio = WAD_RAY_RATIO / 2; uint256 result = halfRatio + a; require(result >= halfRatio, Errors.MATH_ADDITION_OVERFLOW); return result / WAD_RAY_RATIO; } /** * @dev Converts wad up to ray * @param a Wad * @return a converted in ray **/ function wadToRay(uint256 a) internal pure returns (uint256) { uint256 result = a * WAD_RAY_RATIO; require(result / WAD_RAY_RATIO == a, Errors.MATH_MULTIPLICATION_OVERFLOW); return result; } }
/contracts/protocol/libraries/types/DataTypes.sol
// SPDX-License-Identifier: agpl-3.0 pragma solidity 0.6.12; library DataTypes { // refer to the whitepaper, section 1.1 basic concepts for a formal description of these properties. struct ReserveData { //stores the reserve configuration ReserveConfigurationMap configuration; //the liquidity index. Expressed in ray uint128 liquidityIndex; //variable borrow index. Expressed in ray uint128 variableBorrowIndex; //the current supply rate. Expressed in ray uint128 currentLiquidityRate; //the current variable borrow rate. Expressed in ray uint128 currentVariableBorrowRate; //the current stable borrow rate. Expressed in ray uint128 currentStableBorrowRate; uint40 lastUpdateTimestamp; //tokens addresses address aTokenAddress; address stableDebtTokenAddress; address variableDebtTokenAddress; //address of the interest rate strategy address interestRateStrategyAddress; //the id of the reserve. Represents the position in the list of the active reserves uint8 id; } struct ReserveConfigurationMap { //bit 0-15: LTV //bit 16-31: Liq. threshold //bit 32-47: Liq. bonus //bit 48-55: Decimals //bit 56: Reserve is active //bit 57: reserve is frozen //bit 58: borrowing is enabled //bit 59: stable rate borrowing enabled //bit 60-63: reserved //bit 64-79: reserve factor uint256 data; } struct UserConfigurationMap { uint256 data; } enum InterestRateMode {NONE, STABLE, VARIABLE} }
/contracts/protocol/tokenization/AToken.sol
// SPDX-License-Identifier: agpl-3.0 pragma solidity 0.6.12; import {IERC20} from '../../dependencies/openzeppelin/contracts/IERC20.sol'; import {SafeERC20} from '../../dependencies/openzeppelin/contracts/SafeERC20.sol'; import {ILendingPool} from '../../interfaces/ILendingPool.sol'; import {IAToken} from '../../interfaces/IAToken.sol'; import {WadRayMath} from '../libraries/math/WadRayMath.sol'; import {Errors} from '../libraries/helpers/Errors.sol'; import {VersionedInitializable} from '../libraries/aave-upgradeability/VersionedInitializable.sol'; import {IncentivizedERC20} from './IncentivizedERC20.sol'; import {IAaveIncentivesController} from '../../interfaces/IAaveIncentivesController.sol'; /** * @title Aave ERC20 AToken * @dev Implementation of the interest bearing token for the Aave protocol * @author Aave */ contract AToken is VersionedInitializable, IncentivizedERC20('ATOKEN_IMPL', 'ATOKEN_IMPL', 0), IAToken { using WadRayMath for uint256; using SafeERC20 for IERC20; bytes public constant EIP712_REVISION = bytes('1'); bytes32 internal constant EIP712_DOMAIN = keccak256('EIP712Domain(string name,string version,uint256 chainId,address verifyingContract)'); bytes32 public constant PERMIT_TYPEHASH = keccak256('Permit(address owner,address spender,uint256 value,uint256 nonce,uint256 deadline)'); uint256 public constant ATOKEN_REVISION = 0x1; /// @dev owner => next valid nonce to submit with permit() mapping(address => uint256) public _nonces; bytes32 public DOMAIN_SEPARATOR; ILendingPool internal _pool; address internal _treasury; address internal _underlyingAsset; IAaveIncentivesController internal _incentivesController; modifier onlyLendingPool { require(_msgSender() == address(_pool), Errors.CT_CALLER_MUST_BE_LENDING_POOL); _; } function getRevision() internal pure virtual override returns (uint256) { return ATOKEN_REVISION; } /** * @dev Initializes the aToken * @param pool The address of the lending pool where this aToken will be used * @param treasury The address of the Aave treasury, receiving the fees on this aToken * @param underlyingAsset The address of the underlying asset of this aToken (E.g. WETH for aWETH) * @param incentivesController The smart contract managing potential incentives distribution * @param aTokenDecimals The decimals of the aToken, same as the underlying asset's * @param aTokenName The name of the aToken * @param aTokenSymbol The symbol of the aToken */ function initialize( ILendingPool pool, address treasury, address underlyingAsset, IAaveIncentivesController incentivesController, uint8 aTokenDecimals, string calldata aTokenName, string calldata aTokenSymbol, bytes calldata params ) external override initializer { uint256 chainId; //solium-disable-next-line assembly { chainId := chainid() } DOMAIN_SEPARATOR = keccak256( abi.encode( EIP712_DOMAIN, keccak256(bytes(aTokenName)), keccak256(EIP712_REVISION), chainId, address(this) ) ); _setName(aTokenName); _setSymbol(aTokenSymbol); _setDecimals(aTokenDecimals); _pool = pool; _treasury = treasury; _underlyingAsset = underlyingAsset; _incentivesController = incentivesController; emit Initialized( underlyingAsset, address(pool), treasury, address(incentivesController), aTokenDecimals, aTokenName, aTokenSymbol, params ); } /** * @dev Burns aTokens from `user` and sends the equivalent amount of underlying to `receiverOfUnderlying` * - Only callable by the LendingPool, as extra state updates there need to be managed * @param user The owner of the aTokens, getting them burned * @param receiverOfUnderlying The address that will receive the underlying * @param amount The amount being burned * @param index The new liquidity index of the reserve **/ function burn( address user, address receiverOfUnderlying, uint256 amount, uint256 index ) external override onlyLendingPool { uint256 amountScaled = amount.rayDiv(index); require(amountScaled != 0, Errors.CT_INVALID_BURN_AMOUNT); _burn(user, amountScaled); IERC20(_underlyingAsset).safeTransfer(receiverOfUnderlying, amount); emit Transfer(user, address(0), amount); emit Burn(user, receiverOfUnderlying, amount, index); } /** * @dev Mints `amount` aTokens to `user` * - Only callable by the LendingPool, as extra state updates there need to be managed * @param user The address receiving the minted tokens * @param amount The amount of tokens getting minted * @param index The new liquidity index of the reserve * @return `true` if the the previous balance of the user was 0 */ function mint( address user, uint256 amount, uint256 index ) external override onlyLendingPool returns (bool) { uint256 previousBalance = super.balanceOf(user); uint256 amountScaled = amount.rayDiv(index); require(amountScaled != 0, Errors.CT_INVALID_MINT_AMOUNT); _mint(user, amountScaled); emit Transfer(address(0), user, amount); emit Mint(user, amount, index); return previousBalance == 0; } /** * @dev Mints aTokens to the reserve treasury * - Only callable by the LendingPool * @param amount The amount of tokens getting minted * @param index The new liquidity index of the reserve */ function mintToTreasury(uint256 amount, uint256 index) external override onlyLendingPool { if (amount == 0) { return; } address treasury = _treasury; // Compared to the normal mint, we don't check for rounding errors. // The amount to mint can easily be very small since it is a fraction of the interest ccrued. // In that case, the treasury will experience a (very small) loss, but it // wont cause potentially valid transactions to fail. _mint(treasury, amount.rayDiv(index)); emit Transfer(address(0), treasury, amount); emit Mint(treasury, amount, index); } /** * @dev Transfers aTokens in the event of a borrow being liquidated, in case the liquidators reclaims the aToken * - Only callable by the LendingPool * @param from The address getting liquidated, current owner of the aTokens * @param to The recipient * @param value The amount of tokens getting transferred **/ function transferOnLiquidation( address from, address to, uint256 value ) external override onlyLendingPool { // Being a normal transfer, the Transfer() and BalanceTransfer() are emitted // so no need to emit a specific event here _transfer(from, to, value, false); emit Transfer(from, to, value); } /** * @dev Calculates the balance of the user: principal balance + interest generated by the principal * @param user The user whose balance is calculated * @return The balance of the user **/ function balanceOf(address user) public view override(IncentivizedERC20, IERC20) returns (uint256) { return super.balanceOf(user).rayMul(_pool.getReserveNormalizedIncome(_underlyingAsset)); } /** * @dev Returns the scaled balance of the user. The scaled balance is the sum of all the * updated stored balance divided by the reserve's liquidity index at the moment of the update * @param user The user whose balance is calculated * @return The scaled balance of the user **/ function scaledBalanceOf(address user) external view override returns (uint256) { return super.balanceOf(user); } /** * @dev Returns the scaled balance of the user and the scaled total supply. * @param user The address of the user * @return The scaled balance of the user * @return The scaled balance and the scaled total supply **/ function getScaledUserBalanceAndSupply(address user) external view override returns (uint256, uint256) { return (super.balanceOf(user), super.totalSupply()); } /** * @dev calculates the total supply of the specific aToken * since the balance of every single user increases over time, the total supply * does that too. * @return the current total supply **/ function totalSupply() public view override(IncentivizedERC20, IERC20) returns (uint256) { uint256 currentSupplyScaled = super.totalSupply(); if (currentSupplyScaled == 0) { return 0; } return currentSupplyScaled.rayMul(_pool.getReserveNormalizedIncome(_underlyingAsset)); } /** * @dev Returns the scaled total supply of the variable debt token. Represents sum(debt/index) * @return the scaled total supply **/ function scaledTotalSupply() public view virtual override returns (uint256) { return super.totalSupply(); } /** * @dev Returns the address of the Aave treasury, receiving the fees on this aToken **/ function RESERVE_TREASURY_ADDRESS() public view returns (address) { return _treasury; } /** * @dev Returns the address of the underlying asset of this aToken (E.g. WETH for aWETH) **/ function UNDERLYING_ASSET_ADDRESS() public view returns (address) { return _underlyingAsset; } /** * @dev Returns the address of the lending pool where this aToken is used **/ function POOL() public view returns (ILendingPool) { return _pool; } /** * @dev For internal usage in the logic of the parent contract IncentivizedERC20 **/ function _getIncentivesController() internal view override returns (IAaveIncentivesController) { return _incentivesController; } /** * @dev Returns the address of the incentives controller contract **/ function getIncentivesController() external view override returns (IAaveIncentivesController) { return _getIncentivesController(); } /** * @dev Transfers the underlying asset to `target`. Used by the LendingPool to transfer * assets in borrow(), withdraw() and flashLoan() * @param target The recipient of the aTokens * @param amount The amount getting transferred * @return The amount transferred **/ function transferUnderlyingTo(address target, uint256 amount) external override onlyLendingPool returns (uint256) { IERC20(_underlyingAsset).safeTransfer(target, amount); return amount; } /** * @dev Invoked to execute actions on the aToken side after a repayment. * @param user The user executing the repayment * @param amount The amount getting repaid **/ function handleRepayment(address user, uint256 amount) external override onlyLendingPool {} /** * @dev implements the permit function as for * https://github.com/ethereum/EIPs/blob/8a34d644aacf0f9f8f00815307fd7dd5da07655f/EIPS/eip-2612.md * @param owner The owner of the funds * @param spender The spender * @param value The amount * @param deadline The deadline timestamp, type(uint256).max for max deadline * @param v Signature param * @param s Signature param * @param r Signature param */ function permit( address owner, address spender, uint256 value, uint256 deadline, uint8 v, bytes32 r, bytes32 s ) external { require(owner != address(0), 'INVALID_OWNER'); //solium-disable-next-line require(block.timestamp <= deadline, 'INVALID_EXPIRATION'); uint256 currentValidNonce = _nonces[owner]; bytes32 digest = keccak256( abi.encodePacked( '\x19\x01', DOMAIN_SEPARATOR, keccak256(abi.encode(PERMIT_TYPEHASH, owner, spender, value, currentValidNonce, deadline)) ) ); require(owner == ecrecover(digest, v, r, s), 'INVALID_SIGNATURE'); _nonces[owner] = currentValidNonce.add(1); _approve(owner, spender, value); } /** * @dev Transfers the aTokens between two users. Validates the transfer * (ie checks for valid HF after the transfer) if required * @param from The source address * @param to The destination address * @param amount The amount getting transferred * @param validate `true` if the transfer needs to be validated **/ function _transfer( address from, address to, uint256 amount, bool validate ) internal { address underlyingAsset = _underlyingAsset; ILendingPool pool = _pool; uint256 index = pool.getReserveNormalizedIncome(underlyingAsset); uint256 fromBalanceBefore = super.balanceOf(from).rayMul(index); uint256 toBalanceBefore = super.balanceOf(to).rayMul(index); super._transfer(from, to, amount.rayDiv(index)); if (validate) { pool.finalizeTransfer(underlyingAsset, from, to, amount, fromBalanceBefore, toBalanceBefore); } emit BalanceTransfer(from, to, amount, index); } /** * @dev Overrides the parent _transfer to force validated transfer() and transferFrom() * @param from The source address * @param to The destination address * @param amount The amount getting transferred **/ function _transfer( address from, address to, uint256 amount ) internal override { _transfer(from, to, amount, true); } }
/contracts/protocol/tokenization/IncentivizedERC20.sol
// SPDX-License-Identifier: agpl-3.0 pragma solidity 0.6.12; import {Context} from '../../dependencies/openzeppelin/contracts/Context.sol'; import {IERC20} from '../../dependencies/openzeppelin/contracts/IERC20.sol'; import {IERC20Detailed} from '../../dependencies/openzeppelin/contracts/IERC20Detailed.sol'; import {SafeMath} from '../../dependencies/openzeppelin/contracts/SafeMath.sol'; import {IAaveIncentivesController} from '../../interfaces/IAaveIncentivesController.sol'; /** * @title ERC20 * @notice Basic ERC20 implementation * @author Aave, inspired by the Openzeppelin ERC20 implementation **/ abstract contract IncentivizedERC20 is Context, IERC20, IERC20Detailed { using SafeMath for uint256; mapping(address => uint256) internal _balances; mapping(address => mapping(address => uint256)) private _allowances; uint256 internal _totalSupply; string private _name; string private _symbol; uint8 private _decimals; constructor( string memory name, string memory symbol, uint8 decimals ) public { _name = name; _symbol = symbol; _decimals = decimals; } /** * @return The name of the token **/ function name() public view override returns (string memory) { return _name; } /** * @return The symbol of the token **/ function symbol() public view override returns (string memory) { return _symbol; } /** * @return The decimals of the token **/ function decimals() public view override returns (uint8) { return _decimals; } /** * @return The total supply of the token **/ function totalSupply() public view virtual override returns (uint256) { return _totalSupply; } /** * @return The balance of the token **/ function balanceOf(address account) public view virtual override returns (uint256) { return _balances[account]; } /** * @return Abstract function implemented by the child aToken/debtToken. * Done this way in order to not break compatibility with previous versions of aTokens/debtTokens **/ function _getIncentivesController() internal view virtual returns(IAaveIncentivesController); /** * @dev Executes a transfer of tokens from _msgSender() to recipient * @param recipient The recipient of the tokens * @param amount The amount of tokens being transferred * @return `true` if the transfer succeeds, `false` otherwise **/ function transfer(address recipient, uint256 amount) public virtual override returns (bool) { _transfer(_msgSender(), recipient, amount); emit Transfer(_msgSender(), recipient, amount); return true; } /** * @dev Returns the allowance of spender on the tokens owned by owner * @param owner The owner of the tokens * @param spender The user allowed to spend the owner's tokens * @return The amount of owner's tokens spender is allowed to spend **/ function allowance(address owner, address spender) public view virtual override returns (uint256) { return _allowances[owner][spender]; } /** * @dev Allows `spender` to spend the tokens owned by _msgSender() * @param spender The user allowed to spend _msgSender() tokens * @return `true` **/ function approve(address spender, uint256 amount) public virtual override returns (bool) { _approve(_msgSender(), spender, amount); return true; } /** * @dev Executes a transfer of token from sender to recipient, if _msgSender() is allowed to do so * @param sender The owner of the tokens * @param recipient The recipient of the tokens * @param amount The amount of tokens being transferred * @return `true` if the transfer succeeds, `false` otherwise **/ function transferFrom( address sender, address recipient, uint256 amount ) public virtual override returns (bool) { _transfer(sender, recipient, amount); _approve( sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, 'ERC20: transfer amount exceeds allowance') ); emit Transfer(sender, recipient, amount); return true; } /** * @dev Increases the allowance of spender to spend _msgSender() tokens * @param spender The user allowed to spend on behalf of _msgSender() * @param addedValue The amount being added to the allowance * @return `true` **/ function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) { _approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue)); return true; } /** * @dev Decreases the allowance of spender to spend _msgSender() tokens * @param spender The user allowed to spend on behalf of _msgSender() * @param subtractedValue The amount being subtracted to the allowance * @return `true` **/ function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) { _approve( _msgSender(), spender, _allowances[_msgSender()][spender].sub( subtractedValue, 'ERC20: decreased allowance below zero' ) ); return true; } function _transfer( address sender, address recipient, uint256 amount ) internal virtual { require(sender != address(0), 'ERC20: transfer from the zero address'); require(recipient != address(0), 'ERC20: transfer to the zero address'); _beforeTokenTransfer(sender, recipient, amount); uint256 oldSenderBalance = _balances[sender]; _balances[sender] = oldSenderBalance.sub(amount, 'ERC20: transfer amount exceeds balance'); uint256 oldRecipientBalance = _balances[recipient]; _balances[recipient] = _balances[recipient].add(amount); if (address(_getIncentivesController()) != address(0)) { uint256 currentTotalSupply = _totalSupply; _getIncentivesController().handleAction(sender, currentTotalSupply, oldSenderBalance); if (sender != recipient) { _getIncentivesController().handleAction(recipient, currentTotalSupply, oldRecipientBalance); } } } function _mint(address account, uint256 amount) internal virtual { require(account != address(0), 'ERC20: mint to the zero address'); _beforeTokenTransfer(address(0), account, amount); uint256 oldTotalSupply = _totalSupply; _totalSupply = oldTotalSupply.add(amount); uint256 oldAccountBalance = _balances[account]; _balances[account] = oldAccountBalance.add(amount); if (address(_getIncentivesController()) != address(0)) { _getIncentivesController().handleAction(account, oldTotalSupply, oldAccountBalance); } } function _burn(address account, uint256 amount) internal virtual { require(account != address(0), 'ERC20: burn from the zero address'); _beforeTokenTransfer(account, address(0), amount); uint256 oldTotalSupply = _totalSupply; _totalSupply = oldTotalSupply.sub(amount); uint256 oldAccountBalance = _balances[account]; _balances[account] = oldAccountBalance.sub(amount, 'ERC20: burn amount exceeds balance'); if (address(_getIncentivesController()) != address(0)) { _getIncentivesController().handleAction(account, oldTotalSupply, oldAccountBalance); } } function _approve( address owner, address spender, uint256 amount ) internal virtual { require(owner != address(0), 'ERC20: approve from the zero address'); require(spender != address(0), 'ERC20: approve to the zero address'); _allowances[owner][spender] = amount; emit Approval(owner, spender, amount); } function _setName(string memory newName) internal { _name = newName; } function _setSymbol(string memory newSymbol) internal { _symbol = newSymbol; } function _setDecimals(uint8 newDecimals) internal { _decimals = newDecimals; } function _beforeTokenTransfer( address from, address to, uint256 amount ) internal virtual {} }
/hardhat/console.sol
// SPDX-License-Identifier: MIT pragma solidity >= 0.4.22 <0.9.0; library console { address constant CONSOLE_ADDRESS = address(0x000000000000000000636F6e736F6c652e6c6f67); function _sendLogPayload(bytes memory payload) private view { uint256 payloadLength = payload.length; address consoleAddress = CONSOLE_ADDRESS; assembly { let payloadStart := add(payload, 32) let r := staticcall(gas(), consoleAddress, payloadStart, payloadLength, 0, 0) } } function log() internal view { _sendLogPayload(abi.encodeWithSignature("log()")); } function logInt(int p0) internal view { _sendLogPayload(abi.encodeWithSignature("log(int)", p0)); } function logUint(uint p0) internal view { _sendLogPayload(abi.encodeWithSignature("log(uint)", p0)); } function logString(string memory p0) internal view { _sendLogPayload(abi.encodeWithSignature("log(string)", p0)); } function logBool(bool p0) internal view { _sendLogPayload(abi.encodeWithSignature("log(bool)", p0)); } function logAddress(address p0) internal view { _sendLogPayload(abi.encodeWithSignature("log(address)", p0)); } function logBytes(bytes memory p0) internal view { _sendLogPayload(abi.encodeWithSignature("log(bytes)", p0)); } function logBytes1(bytes1 p0) internal view { _sendLogPayload(abi.encodeWithSignature("log(bytes1)", p0)); } function logBytes2(bytes2 p0) internal view { _sendLogPayload(abi.encodeWithSignature("log(bytes2)", p0)); } function logBytes3(bytes3 p0) internal view { _sendLogPayload(abi.encodeWithSignature("log(bytes3)", p0)); } function logBytes4(bytes4 p0) internal view { _sendLogPayload(abi.encodeWithSignature("log(bytes4)", p0)); } function logBytes5(bytes5 p0) internal view { _sendLogPayload(abi.encodeWithSignature("log(bytes5)", p0)); } function logBytes6(bytes6 p0) internal view { _sendLogPayload(abi.encodeWithSignature("log(bytes6)", p0)); } function logBytes7(bytes7 p0) internal view { _sendLogPayload(abi.encodeWithSignature("log(bytes7)", p0)); } function logBytes8(bytes8 p0) internal view { _sendLogPayload(abi.encodeWithSignature("log(bytes8)", p0)); } function logBytes9(bytes9 p0) internal view { _sendLogPayload(abi.encodeWithSignature("log(bytes9)", p0)); } function logBytes10(bytes10 p0) internal view { _sendLogPayload(abi.encodeWithSignature("log(bytes10)", p0)); } function logBytes11(bytes11 p0) internal view { _sendLogPayload(abi.encodeWithSignature("log(bytes11)", p0)); } function logBytes12(bytes12 p0) internal view { _sendLogPayload(abi.encodeWithSignature("log(bytes12)", p0)); } function logBytes13(bytes13 p0) internal view { _sendLogPayload(abi.encodeWithSignature("log(bytes13)", p0)); } function logBytes14(bytes14 p0) internal view { _sendLogPayload(abi.encodeWithSignature("log(bytes14)", p0)); } function logBytes15(bytes15 p0) internal view { _sendLogPayload(abi.encodeWithSignature("log(bytes15)", p0)); } function logBytes16(bytes16 p0) internal view { _sendLogPayload(abi.encodeWithSignature("log(bytes16)", p0)); } function logBytes17(bytes17 p0) internal view { _sendLogPayload(abi.encodeWithSignature("log(bytes17)", p0)); } function logBytes18(bytes18 p0) internal view { _sendLogPayload(abi.encodeWithSignature("log(bytes18)", p0)); } function logBytes19(bytes19 p0) internal view { _sendLogPayload(abi.encodeWithSignature("log(bytes19)", p0)); } function logBytes20(bytes20 p0) internal view { _sendLogPayload(abi.encodeWithSignature("log(bytes20)", p0)); } function logBytes21(bytes21 p0) internal view { _sendLogPayload(abi.encodeWithSignature("log(bytes21)", p0)); } function logBytes22(bytes22 p0) internal view { _sendLogPayload(abi.encodeWithSignature("log(bytes22)", p0)); } function logBytes23(bytes23 p0) internal view { _sendLogPayload(abi.encodeWithSignature("log(bytes23)", p0)); } function logBytes24(bytes24 p0) internal view { _sendLogPayload(abi.encodeWithSignature("log(bytes24)", p0)); } function logBytes25(bytes25 p0) internal view { _sendLogPayload(abi.encodeWithSignature("log(bytes25)", p0)); } function logBytes26(bytes26 p0) internal view { _sendLogPayload(abi.encodeWithSignature("log(bytes26)", p0)); } function logBytes27(bytes27 p0) internal view { _sendLogPayload(abi.encodeWithSignature("log(bytes27)", p0)); } function logBytes28(bytes28 p0) internal view { _sendLogPayload(abi.encodeWithSignature("log(bytes28)", p0)); } function logBytes29(bytes29 p0) internal view { _sendLogPayload(abi.encodeWithSignature("log(bytes29)", p0)); } function logBytes30(bytes30 p0) internal view { _sendLogPayload(abi.encodeWithSignature("log(bytes30)", p0)); } function logBytes31(bytes31 p0) internal view { _sendLogPayload(abi.encodeWithSignature("log(bytes31)", p0)); } function logBytes32(bytes32 p0) internal view { _sendLogPayload(abi.encodeWithSignature("log(bytes32)", p0)); } function log(uint p0) internal view { _sendLogPayload(abi.encodeWithSignature("log(uint)", p0)); } function log(string memory p0) internal view { _sendLogPayload(abi.encodeWithSignature("log(string)", p0)); } function log(bool p0) internal view { _sendLogPayload(abi.encodeWithSignature("log(bool)", p0)); } function log(address p0) internal view { _sendLogPayload(abi.encodeWithSignature("log(address)", p0)); } function log(uint p0, uint p1) internal view { _sendLogPayload(abi.encodeWithSignature("log(uint,uint)", p0, p1)); } function log(uint p0, string memory p1) internal view { _sendLogPayload(abi.encodeWithSignature("log(uint,string)", p0, p1)); } function log(uint p0, bool p1) internal view { _sendLogPayload(abi.encodeWithSignature("log(uint,bool)", p0, p1)); } function log(uint p0, address p1) internal view { _sendLogPayload(abi.encodeWithSignature("log(uint,address)", p0, p1)); } function log(string memory p0, uint p1) internal view { _sendLogPayload(abi.encodeWithSignature("log(string,uint)", p0, p1)); } function log(string memory p0, string memory p1) internal view { _sendLogPayload(abi.encodeWithSignature("log(string,string)", p0, p1)); } function log(string memory p0, bool p1) internal view { _sendLogPayload(abi.encodeWithSignature("log(string,bool)", p0, p1)); } function log(string memory p0, address p1) internal view { _sendLogPayload(abi.encodeWithSignature("log(string,address)", p0, p1)); } function log(bool p0, uint p1) internal view { _sendLogPayload(abi.encodeWithSignature("log(bool,uint)", p0, p1)); } function log(bool p0, string memory p1) internal view { _sendLogPayload(abi.encodeWithSignature("log(bool,string)", p0, p1)); } function log(bool p0, bool p1) internal view { _sendLogPayload(abi.encodeWithSignature("log(bool,bool)", p0, p1)); } function log(bool p0, address p1) internal view { _sendLogPayload(abi.encodeWithSignature("log(bool,address)", p0, p1)); } function log(address p0, uint p1) internal view { _sendLogPayload(abi.encodeWithSignature("log(address,uint)", p0, p1)); } function log(address p0, string memory p1) internal view { _sendLogPayload(abi.encodeWithSignature("log(address,string)", p0, p1)); } function log(address p0, bool p1) internal view { _sendLogPayload(abi.encodeWithSignature("log(address,bool)", p0, p1)); } function log(address p0, address p1) internal view { _sendLogPayload(abi.encodeWithSignature("log(address,address)", p0, p1)); } function log(uint p0, uint p1, uint p2) internal view { _sendLogPayload(abi.encodeWithSignature("log(uint,uint,uint)", p0, p1, p2)); } function log(uint p0, uint p1, string memory p2) internal view { _sendLogPayload(abi.encodeWithSignature("log(uint,uint,string)", p0, p1, p2)); } function log(uint p0, uint p1, bool p2) internal view { _sendLogPayload(abi.encodeWithSignature("log(uint,uint,bool)", p0, p1, p2)); } function log(uint p0, uint p1, address p2) internal view { _sendLogPayload(abi.encodeWithSignature("log(uint,uint,address)", p0, p1, p2)); } function log(uint p0, string memory p1, uint p2) internal view { _sendLogPayload(abi.encodeWithSignature("log(uint,string,uint)", p0, p1, p2)); } function log(uint p0, string memory p1, string memory p2) internal view { _sendLogPayload(abi.encodeWithSignature("log(uint,string,string)", p0, p1, p2)); } function log(uint p0, string memory p1, bool p2) internal view { _sendLogPayload(abi.encodeWithSignature("log(uint,string,bool)", p0, p1, p2)); } function log(uint p0, string memory p1, address p2) internal view { _sendLogPayload(abi.encodeWithSignature("log(uint,string,address)", p0, p1, p2)); } function log(uint p0, bool p1, uint p2) internal view { _sendLogPayload(abi.encodeWithSignature("log(uint,bool,uint)", p0, p1, p2)); } function log(uint p0, bool p1, string memory p2) internal view { _sendLogPayload(abi.encodeWithSignature("log(uint,bool,string)", p0, p1, p2)); } function log(uint p0, bool p1, bool p2) internal view { _sendLogPayload(abi.encodeWithSignature("log(uint,bool,bool)", p0, p1, p2)); } function log(uint p0, bool p1, address p2) internal view { _sendLogPayload(abi.encodeWithSignature("log(uint,bool,address)", p0, p1, p2)); } function log(uint p0, address p1, uint p2) internal view { _sendLogPayload(abi.encodeWithSignature("log(uint,address,uint)", p0, p1, p2)); } function log(uint p0, address p1, string memory p2) internal view { _sendLogPayload(abi.encodeWithSignature("log(uint,address,string)", p0, p1, p2)); } function log(uint p0, address p1, bool p2) internal view { _sendLogPayload(abi.encodeWithSignature("log(uint,address,bool)", p0, p1, p2)); } function log(uint p0, address p1, address p2) internal view { _sendLogPayload(abi.encodeWithSignature("log(uint,address,address)", p0, p1, p2)); } function log(string memory p0, uint p1, uint p2) internal view { _sendLogPayload(abi.encodeWithSignature("log(string,uint,uint)", p0, p1, p2)); } function log(string memory p0, uint p1, string memory p2) internal view { _sendLogPayload(abi.encodeWithSignature("log(string,uint,string)", p0, p1, p2)); } function log(string memory p0, uint p1, bool p2) internal view { _sendLogPayload(abi.encodeWithSignature("log(string,uint,bool)", p0, p1, p2)); } function log(string memory p0, uint p1, address p2) internal view { _sendLogPayload(abi.encodeWithSignature("log(string,uint,address)", p0, p1, p2)); } function log(string memory p0, string memory p1, uint p2) internal view { _sendLogPayload(abi.encodeWithSignature("log(string,string,uint)", p0, p1, p2)); } function log(string memory p0, string memory p1, string memory p2) internal view { _sendLogPayload(abi.encodeWithSignature("log(string,string,string)", p0, p1, p2)); } function log(string memory p0, string memory p1, bool p2) internal view { _sendLogPayload(abi.encodeWithSignature("log(string,string,bool)", p0, p1, p2)); } function log(string memory p0, string memory p1, address p2) internal view { _sendLogPayload(abi.encodeWithSignature("log(string,string,address)", p0, p1, p2)); } function log(string memory p0, bool p1, uint p2) internal view { _sendLogPayload(abi.encodeWithSignature("log(string,bool,uint)", p0, p1, p2)); } function log(string memory p0, bool p1, string memory p2) internal view { _sendLogPayload(abi.encodeWithSignature("log(string,bool,string)", p0, p1, p2)); } function log(string memory p0, bool p1, bool p2) internal view { _sendLogPayload(abi.encodeWithSignature("log(string,bool,bool)", p0, p1, p2)); } function log(string memory p0, bool p1, address p2) internal view { _sendLogPayload(abi.encodeWithSignature("log(string,bool,address)", p0, p1, p2)); } function log(string memory p0, address p1, uint p2) internal view { _sendLogPayload(abi.encodeWithSignature("log(string,address,uint)", p0, p1, p2)); } function log(string memory p0, address p1, string memory p2) internal view { _sendLogPayload(abi.encodeWithSignature("log(string,address,string)", p0, p1, p2)); } function log(string memory p0, address p1, bool p2) internal view { _sendLogPayload(abi.encodeWithSignature("log(string,address,bool)", p0, p1, p2)); } function log(string memory p0, address p1, address p2) internal view { _sendLogPayload(abi.encodeWithSignature("log(string,address,address)", p0, p1, p2)); } function log(bool p0, uint p1, uint p2) internal view { _sendLogPayload(abi.encodeWithSignature("log(bool,uint,uint)", p0, p1, p2)); } function log(bool p0, uint p1, string memory p2) internal view { _sendLogPayload(abi.encodeWithSignature("log(bool,uint,string)", p0, p1, p2)); } function log(bool p0, uint p1, bool p2) internal view { _sendLogPayload(abi.encodeWithSignature("log(bool,uint,bool)", p0, p1, p2)); } function log(bool p0, uint p1, address p2) internal view { _sendLogPayload(abi.encodeWithSignature("log(bool,uint,address)", p0, p1, p2)); } function log(bool p0, string memory p1, uint p2) internal view { _sendLogPayload(abi.encodeWithSignature("log(bool,string,uint)", p0, p1, p2)); } function log(bool p0, string memory p1, string memory p2) internal view { _sendLogPayload(abi.encodeWithSignature("log(bool,string,string)", p0, p1, p2)); } function log(bool p0, string memory p1, bool p2) internal view { _sendLogPayload(abi.encodeWithSignature("log(bool,string,bool)", p0, p1, p2)); } function log(bool p0, string memory p1, address p2) internal view { _sendLogPayload(abi.encodeWithSignature("log(bool,string,address)", p0, p1, p2)); } function log(bool p0, bool p1, uint p2) internal view { _sendLogPayload(abi.encodeWithSignature("log(bool,bool,uint)", p0, p1, p2)); } function log(bool p0, bool p1, string memory p2) internal view { _sendLogPayload(abi.encodeWithSignature("log(bool,bool,string)", p0, p1, p2)); } function log(bool p0, bool p1, bool p2) internal view { _sendLogPayload(abi.encodeWithSignature("log(bool,bool,bool)", p0, p1, p2)); } function log(bool p0, bool p1, address p2) internal view { _sendLogPayload(abi.encodeWithSignature("log(bool,bool,address)", p0, p1, p2)); } function log(bool p0, address p1, uint p2) internal view { _sendLogPayload(abi.encodeWithSignature("log(bool,address,uint)", p0, p1, p2)); } function log(bool p0, address p1, string memory p2) internal view { _sendLogPayload(abi.encodeWithSignature("log(bool,address,string)", p0, p1, p2)); } function log(bool p0, address p1, bool p2) internal view { _sendLogPayload(abi.encodeWithSignature("log(bool,address,bool)", p0, p1, p2)); } function log(bool p0, address p1, address p2) internal view { _sendLogPayload(abi.encodeWithSignature("log(bool,address,address)", p0, p1, p2)); } function log(address p0, uint p1, uint p2) internal view { _sendLogPayload(abi.encodeWithSignature("log(address,uint,uint)", p0, p1, p2)); } function log(address p0, uint p1, string memory p2) internal view { _sendLogPayload(abi.encodeWithSignature("log(address,uint,string)", p0, p1, p2)); } function log(address p0, uint p1, bool p2) internal view { _sendLogPayload(abi.encodeWithSignature("log(address,uint,bool)", p0, p1, p2)); } function log(address p0, uint p1, address p2) internal view { _sendLogPayload(abi.encodeWithSignature("log(address,uint,address)", p0, p1, p2)); } function log(address p0, string memory p1, uint p2) internal view { _sendLogPayload(abi.encodeWithSignature("log(address,string,uint)", p0, p1, p2)); } function log(address p0, string memory p1, string memory p2) internal view { _sendLogPayload(abi.encodeWithSignature("log(address,string,string)", p0, p1, p2)); } function log(address p0, string memory p1, bool p2) internal view { _sendLogPayload(abi.encodeWithSignature("log(address,string,bool)", p0, p1, p2)); } function log(address p0, string memory p1, address p2) internal view { _sendLogPayload(abi.encodeWithSignature("log(address,string,address)", p0, p1, p2)); } function log(address p0, bool p1, uint p2) internal view { _sendLogPayload(abi.encodeWithSignature("log(address,bool,uint)", p0, p1, p2)); } function log(address p0, bool p1, string memory p2) internal view { _sendLogPayload(abi.encodeWithSignature("log(address,bool,string)", p0, p1, p2)); } function log(address p0, bool p1, bool p2) internal view { _sendLogPayload(abi.encodeWithSignature("log(address,bool,bool)", p0, p1, p2)); } function log(address p0, bool p1, address p2) internal view { _sendLogPayload(abi.encodeWithSignature("log(address,bool,address)", p0, p1, p2)); } function log(address p0, address p1, uint p2) internal view { _sendLogPayload(abi.encodeWithSignature("log(address,address,uint)", p0, p1, p2)); } function log(address p0, address p1, string memory p2) internal view { _sendLogPayload(abi.encodeWithSignature("log(address,address,string)", p0, p1, p2)); } function log(address p0, address p1, bool p2) internal view { _sendLogPayload(abi.encodeWithSignature("log(address,address,bool)", p0, p1, p2)); } function log(address p0, address p1, address p2) internal view { _sendLogPayload(abi.encodeWithSignature("log(address,address,address)", p0, p1, p2)); } function log(uint p0, uint p1, uint p2, uint p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(uint,uint,uint,uint)", p0, p1, p2, p3)); } function log(uint p0, uint p1, uint p2, string memory p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(uint,uint,uint,string)", p0, p1, p2, p3)); } function log(uint p0, uint p1, uint p2, bool p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(uint,uint,uint,bool)", p0, p1, p2, p3)); } function log(uint p0, uint p1, uint p2, address p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(uint,uint,uint,address)", p0, p1, p2, p3)); } function log(uint p0, uint p1, string memory p2, uint p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(uint,uint,string,uint)", p0, p1, p2, p3)); } function log(uint p0, uint p1, string memory p2, string memory p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(uint,uint,string,string)", p0, p1, p2, p3)); } function log(uint p0, uint p1, string memory p2, bool p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(uint,uint,string,bool)", p0, p1, p2, p3)); } function log(uint p0, uint p1, string memory p2, address p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(uint,uint,string,address)", p0, p1, p2, p3)); } function log(uint p0, uint p1, bool p2, uint p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(uint,uint,bool,uint)", p0, p1, p2, p3)); } function log(uint p0, uint p1, bool p2, string memory p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(uint,uint,bool,string)", p0, p1, p2, p3)); } function log(uint p0, uint p1, bool p2, bool p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(uint,uint,bool,bool)", p0, p1, p2, p3)); } function log(uint p0, uint p1, bool p2, address p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(uint,uint,bool,address)", p0, p1, p2, p3)); } function log(uint p0, uint p1, address p2, uint p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(uint,uint,address,uint)", p0, p1, p2, p3)); } function log(uint p0, uint p1, address p2, string memory p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(uint,uint,address,string)", p0, p1, p2, p3)); } function log(uint p0, uint p1, address p2, bool p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(uint,uint,address,bool)", p0, p1, p2, p3)); } function log(uint p0, uint p1, address p2, address p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(uint,uint,address,address)", p0, p1, p2, p3)); } function log(uint p0, string memory p1, uint p2, uint p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(uint,string,uint,uint)", p0, p1, p2, p3)); } function log(uint p0, string memory p1, uint p2, string memory p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(uint,string,uint,string)", p0, p1, p2, p3)); } function log(uint p0, string memory p1, uint p2, bool p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(uint,string,uint,bool)", p0, p1, p2, p3)); } function log(uint p0, string memory p1, uint p2, address p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(uint,string,uint,address)", p0, p1, p2, p3)); } function log(uint p0, string memory p1, string memory p2, uint p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(uint,string,string,uint)", p0, p1, p2, p3)); } function log(uint p0, string memory p1, string memory p2, string memory p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(uint,string,string,string)", p0, p1, p2, p3)); } function log(uint p0, string memory p1, string memory p2, bool p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(uint,string,string,bool)", p0, p1, p2, p3)); } function log(uint p0, string memory p1, string memory p2, address p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(uint,string,string,address)", p0, p1, p2, p3)); } function log(uint p0, string memory p1, bool p2, uint p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(uint,string,bool,uint)", p0, p1, p2, p3)); } function log(uint p0, string memory p1, bool p2, string memory p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(uint,string,bool,string)", p0, p1, p2, p3)); } function log(uint p0, string memory p1, bool p2, bool p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(uint,string,bool,bool)", p0, p1, p2, p3)); } function log(uint p0, string memory p1, bool p2, address p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(uint,string,bool,address)", p0, p1, p2, p3)); } function log(uint p0, string memory p1, address p2, uint p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(uint,string,address,uint)", p0, p1, p2, p3)); } function log(uint p0, string memory p1, address p2, string memory p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(uint,string,address,string)", p0, p1, p2, p3)); } function log(uint p0, string memory p1, address p2, bool p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(uint,string,address,bool)", p0, p1, p2, p3)); } function log(uint p0, string memory p1, address p2, address p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(uint,string,address,address)", p0, p1, p2, p3)); } function log(uint p0, bool p1, uint p2, uint p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(uint,bool,uint,uint)", p0, p1, p2, p3)); } function log(uint p0, bool p1, uint p2, string memory p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(uint,bool,uint,string)", p0, p1, p2, p3)); } function log(uint p0, bool p1, uint p2, bool p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(uint,bool,uint,bool)", p0, p1, p2, p3)); } function log(uint p0, bool p1, uint p2, address p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(uint,bool,uint,address)", p0, p1, p2, p3)); } function log(uint p0, bool p1, string memory p2, uint p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(uint,bool,string,uint)", p0, p1, p2, p3)); } function log(uint p0, bool p1, string memory p2, string memory p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(uint,bool,string,string)", p0, p1, p2, p3)); } function log(uint p0, bool p1, string memory p2, bool p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(uint,bool,string,bool)", p0, p1, p2, p3)); } function log(uint p0, bool p1, string memory p2, address p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(uint,bool,string,address)", p0, p1, p2, p3)); } function log(uint p0, bool p1, bool p2, uint p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(uint,bool,bool,uint)", p0, p1, p2, p3)); } function log(uint p0, bool p1, bool p2, string memory p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(uint,bool,bool,string)", p0, p1, p2, p3)); } function log(uint p0, bool p1, bool p2, bool p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(uint,bool,bool,bool)", p0, p1, p2, p3)); } function log(uint p0, bool p1, bool p2, address p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(uint,bool,bool,address)", p0, p1, p2, p3)); } function log(uint p0, bool p1, address p2, uint p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(uint,bool,address,uint)", p0, p1, p2, p3)); } function log(uint p0, bool p1, address p2, string memory p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(uint,bool,address,string)", p0, p1, p2, p3)); } function log(uint p0, bool p1, address p2, bool p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(uint,bool,address,bool)", p0, p1, p2, p3)); } function log(uint p0, bool p1, address p2, address p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(uint,bool,address,address)", p0, p1, p2, p3)); } function log(uint p0, address p1, uint p2, uint p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(uint,address,uint,uint)", p0, p1, p2, p3)); } function log(uint p0, address p1, uint p2, string memory p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(uint,address,uint,string)", p0, p1, p2, p3)); } function log(uint p0, address p1, uint p2, bool p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(uint,address,uint,bool)", p0, p1, p2, p3)); } function log(uint p0, address p1, uint p2, address p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(uint,address,uint,address)", p0, p1, p2, p3)); } function log(uint p0, address p1, string memory p2, uint p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(uint,address,string,uint)", p0, p1, p2, p3)); } function log(uint p0, address p1, string memory p2, string memory p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(uint,address,string,string)", p0, p1, p2, p3)); } function log(uint p0, address p1, string memory p2, bool p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(uint,address,string,bool)", p0, p1, p2, p3)); } function log(uint p0, address p1, string memory p2, address p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(uint,address,string,address)", p0, p1, p2, p3)); } function log(uint p0, address p1, bool p2, uint p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(uint,address,bool,uint)", p0, p1, p2, p3)); } function log(uint p0, address p1, bool p2, string memory p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(uint,address,bool,string)", p0, p1, p2, p3)); } function log(uint p0, address p1, bool p2, bool p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(uint,address,bool,bool)", p0, p1, p2, p3)); } function log(uint p0, address p1, bool p2, address p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(uint,address,bool,address)", p0, p1, p2, p3)); } function log(uint p0, address p1, address p2, uint p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(uint,address,address,uint)", p0, p1, p2, p3)); } function log(uint p0, address p1, address p2, string memory p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(uint,address,address,string)", p0, p1, p2, p3)); } function log(uint p0, address p1, address p2, bool p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(uint,address,address,bool)", p0, p1, p2, p3)); } function log(uint p0, address p1, address p2, address p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(uint,address,address,address)", p0, p1, p2, p3)); } function log(string memory p0, uint p1, uint p2, uint p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(string,uint,uint,uint)", p0, p1, p2, p3)); } function log(string memory p0, uint p1, uint p2, string memory p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(string,uint,uint,string)", p0, p1, p2, p3)); } function log(string memory p0, uint p1, uint p2, bool p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(string,uint,uint,bool)", p0, p1, p2, p3)); } function log(string memory p0, uint p1, uint p2, address p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(string,uint,uint,address)", p0, p1, p2, p3)); } function log(string memory p0, uint p1, string memory p2, uint p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(string,uint,string,uint)", p0, p1, p2, p3)); } function log(string memory p0, uint p1, string memory p2, string memory p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(string,uint,string,string)", p0, p1, p2, p3)); } function log(string memory p0, uint p1, string memory p2, bool p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(string,uint,string,bool)", p0, p1, p2, p3)); } function log(string memory p0, uint p1, string memory p2, address p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(string,uint,string,address)", p0, p1, p2, p3)); } function log(string memory p0, uint p1, bool p2, uint p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(string,uint,bool,uint)", p0, p1, p2, p3)); } function log(string memory p0, uint p1, bool p2, string memory p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(string,uint,bool,string)", p0, p1, p2, p3)); } function log(string memory p0, uint p1, bool p2, bool p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(string,uint,bool,bool)", p0, p1, p2, p3)); } function log(string memory p0, uint p1, bool p2, address p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(string,uint,bool,address)", p0, p1, p2, p3)); } function log(string memory p0, uint p1, address p2, uint p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(string,uint,address,uint)", p0, p1, p2, p3)); } function log(string memory p0, uint p1, address p2, string memory p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(string,uint,address,string)", p0, p1, p2, p3)); } function log(string memory p0, uint p1, address p2, bool p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(string,uint,address,bool)", p0, p1, p2, p3)); } function log(string memory p0, uint p1, address p2, address p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(string,uint,address,address)", p0, p1, p2, p3)); } function log(string memory p0, string memory p1, uint p2, uint p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(string,string,uint,uint)", p0, p1, p2, p3)); } function log(string memory p0, string memory p1, uint p2, string memory p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(string,string,uint,string)", p0, p1, p2, p3)); } function log(string memory p0, string memory p1, uint p2, bool p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(string,string,uint,bool)", p0, p1, p2, p3)); } function log(string memory p0, string memory p1, uint p2, address p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(string,string,uint,address)", p0, p1, p2, p3)); } function log(string memory p0, string memory p1, string memory p2, uint p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(string,string,string,uint)", p0, p1, p2, p3)); } function log(string memory p0, string memory p1, string memory p2, string memory p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(string,string,string,string)", p0, p1, p2, p3)); } function log(string memory p0, string memory p1, string memory p2, bool p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(string,string,string,bool)", p0, p1, p2, p3)); } function log(string memory p0, string memory p1, string memory p2, address p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(string,string,string,address)", p0, p1, p2, p3)); } function log(string memory p0, string memory p1, bool p2, uint p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(string,string,bool,uint)", p0, p1, p2, p3)); } function log(string memory p0, string memory p1, bool p2, string memory p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(string,string,bool,string)", p0, p1, p2, p3)); } function log(string memory p0, string memory p1, bool p2, bool p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(string,string,bool,bool)", p0, p1, p2, p3)); } function log(string memory p0, string memory p1, bool p2, address p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(string,string,bool,address)", p0, p1, p2, p3)); } function log(string memory p0, string memory p1, address p2, uint p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(string,string,address,uint)", p0, p1, p2, p3)); } function log(string memory p0, string memory p1, address p2, string memory p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(string,string,address,string)", p0, p1, p2, p3)); } function log(string memory p0, string memory p1, address p2, bool p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(string,string,address,bool)", p0, p1, p2, p3)); } function log(string memory p0, string memory p1, address p2, address p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(string,string,address,address)", p0, p1, p2, p3)); } function log(string memory p0, bool p1, uint p2, uint p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(string,bool,uint,uint)", p0, p1, p2, p3)); } function log(string memory p0, bool p1, uint p2, string memory p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(string,bool,uint,string)", p0, p1, p2, p3)); } function log(string memory p0, bool p1, uint p2, bool p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(string,bool,uint,bool)", p0, p1, p2, p3)); } function log(string memory p0, bool p1, uint p2, address p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(string,bool,uint,address)", p0, p1, p2, p3)); } function log(string memory p0, bool p1, string memory p2, uint p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(string,bool,string,uint)", p0, p1, p2, p3)); } function log(string memory p0, bool p1, string memory p2, string memory p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(string,bool,string,string)", p0, p1, p2, p3)); } function log(string memory p0, bool p1, string memory p2, bool p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(string,bool,string,bool)", p0, p1, p2, p3)); } function log(string memory p0, bool p1, string memory p2, address p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(string,bool,string,address)", p0, p1, p2, p3)); } function log(string memory p0, bool p1, bool p2, uint p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(string,bool,bool,uint)", p0, p1, p2, p3)); } function log(string memory p0, bool p1, bool p2, string memory p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(string,bool,bool,string)", p0, p1, p2, p3)); } function log(string memory p0, bool p1, bool p2, bool p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(string,bool,bool,bool)", p0, p1, p2, p3)); } function log(string memory p0, bool p1, bool p2, address p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(string,bool,bool,address)", p0, p1, p2, p3)); } function log(string memory p0, bool p1, address p2, uint p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(string,bool,address,uint)", p0, p1, p2, p3)); } function log(string memory p0, bool p1, address p2, string memory p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(string,bool,address,string)", p0, p1, p2, p3)); } function log(string memory p0, bool p1, address p2, bool p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(string,bool,address,bool)", p0, p1, p2, p3)); } function log(string memory p0, bool p1, address p2, address p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(string,bool,address,address)", p0, p1, p2, p3)); } function log(string memory p0, address p1, uint p2, uint p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(string,address,uint,uint)", p0, p1, p2, p3)); } function log(string memory p0, address p1, uint p2, string memory p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(string,address,uint,string)", p0, p1, p2, p3)); } function log(string memory p0, address p1, uint p2, bool p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(string,address,uint,bool)", p0, p1, p2, p3)); } function log(string memory p0, address p1, uint p2, address p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(string,address,uint,address)", p0, p1, p2, p3)); } function log(string memory p0, address p1, string memory p2, uint p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(string,address,string,uint)", p0, p1, p2, p3)); } function log(string memory p0, address p1, string memory p2, string memory p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(string,address,string,string)", p0, p1, p2, p3)); } function log(string memory p0, address p1, string memory p2, bool p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(string,address,string,bool)", p0, p1, p2, p3)); } function log(string memory p0, address p1, string memory p2, address p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(string,address,string,address)", p0, p1, p2, p3)); } function log(string memory p0, address p1, bool p2, uint p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(string,address,bool,uint)", p0, p1, p2, p3)); } function log(string memory p0, address p1, bool p2, string memory p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(string,address,bool,string)", p0, p1, p2, p3)); } function log(string memory p0, address p1, bool p2, bool p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(string,address,bool,bool)", p0, p1, p2, p3)); } function log(string memory p0, address p1, bool p2, address p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(string,address,bool,address)", p0, p1, p2, p3)); } function log(string memory p0, address p1, address p2, uint p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(string,address,address,uint)", p0, p1, p2, p3)); } function log(string memory p0, address p1, address p2, string memory p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(string,address,address,string)", p0, p1, p2, p3)); } function log(string memory p0, address p1, address p2, bool p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(string,address,address,bool)", p0, p1, p2, p3)); } function log(string memory p0, address p1, address p2, address p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(string,address,address,address)", p0, p1, p2, p3)); } function log(bool p0, uint p1, uint p2, uint p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(bool,uint,uint,uint)", p0, p1, p2, p3)); } function log(bool p0, uint p1, uint p2, string memory p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(bool,uint,uint,string)", p0, p1, p2, p3)); } function log(bool p0, uint p1, uint p2, bool p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(bool,uint,uint,bool)", p0, p1, p2, p3)); } function log(bool p0, uint p1, uint p2, address p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(bool,uint,uint,address)", p0, p1, p2, p3)); } function log(bool p0, uint p1, string memory p2, uint p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(bool,uint,string,uint)", p0, p1, p2, p3)); } function log(bool p0, uint p1, string memory p2, string memory p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(bool,uint,string,string)", p0, p1, p2, p3)); } function log(bool p0, uint p1, string memory p2, bool p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(bool,uint,string,bool)", p0, p1, p2, p3)); } function log(bool p0, uint p1, string memory p2, address p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(bool,uint,string,address)", p0, p1, p2, p3)); } function log(bool p0, uint p1, bool p2, uint p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(bool,uint,bool,uint)", p0, p1, p2, p3)); } function log(bool p0, uint p1, bool p2, string memory p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(bool,uint,bool,string)", p0, p1, p2, p3)); } function log(bool p0, uint p1, bool p2, bool p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(bool,uint,bool,bool)", p0, p1, p2, p3)); } function log(bool p0, uint p1, bool p2, address p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(bool,uint,bool,address)", p0, p1, p2, p3)); } function log(bool p0, uint p1, address p2, uint p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(bool,uint,address,uint)", p0, p1, p2, p3)); } function log(bool p0, uint p1, address p2, string memory p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(bool,uint,address,string)", p0, p1, p2, p3)); } function log(bool p0, uint p1, address p2, bool p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(bool,uint,address,bool)", p0, p1, p2, p3)); } function log(bool p0, uint p1, address p2, address p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(bool,uint,address,address)", p0, p1, p2, p3)); } function log(bool p0, string memory p1, uint p2, uint p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(bool,string,uint,uint)", p0, p1, p2, p3)); } function log(bool p0, string memory p1, uint p2, string memory p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(bool,string,uint,string)", p0, p1, p2, p3)); } function log(bool p0, string memory p1, uint p2, bool p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(bool,string,uint,bool)", p0, p1, p2, p3)); } function log(bool p0, string memory p1, uint p2, address p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(bool,string,uint,address)", p0, p1, p2, p3)); } function log(bool p0, string memory p1, string memory p2, uint p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(bool,string,string,uint)", p0, p1, p2, p3)); } function log(bool p0, string memory p1, string memory p2, string memory p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(bool,string,string,string)", p0, p1, p2, p3)); } function log(bool p0, string memory p1, string memory p2, bool p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(bool,string,string,bool)", p0, p1, p2, p3)); } function log(bool p0, string memory p1, string memory p2, address p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(bool,string,string,address)", p0, p1, p2, p3)); } function log(bool p0, string memory p1, bool p2, uint p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(bool,string,bool,uint)", p0, p1, p2, p3)); } function log(bool p0, string memory p1, bool p2, string memory p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(bool,string,bool,string)", p0, p1, p2, p3)); } function log(bool p0, string memory p1, bool p2, bool p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(bool,string,bool,bool)", p0, p1, p2, p3)); } function log(bool p0, string memory p1, bool p2, address p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(bool,string,bool,address)", p0, p1, p2, p3)); } function log(bool p0, string memory p1, address p2, uint p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(bool,string,address,uint)", p0, p1, p2, p3)); } function log(bool p0, string memory p1, address p2, string memory p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(bool,string,address,string)", p0, p1, p2, p3)); } function log(bool p0, string memory p1, address p2, bool p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(bool,string,address,bool)", p0, p1, p2, p3)); } function log(bool p0, string memory p1, address p2, address p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(bool,string,address,address)", p0, p1, p2, p3)); } function log(bool p0, bool p1, uint p2, uint p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(bool,bool,uint,uint)", p0, p1, p2, p3)); } function log(bool p0, bool p1, uint p2, string memory p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(bool,bool,uint,string)", p0, p1, p2, p3)); } function log(bool p0, bool p1, uint p2, bool p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(bool,bool,uint,bool)", p0, p1, p2, p3)); } function log(bool p0, bool p1, uint p2, address p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(bool,bool,uint,address)", p0, p1, p2, p3)); } function log(bool p0, bool p1, string memory p2, uint p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(bool,bool,string,uint)", p0, p1, p2, p3)); } function log(bool p0, bool p1, string memory p2, string memory p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(bool,bool,string,string)", p0, p1, p2, p3)); } function log(bool p0, bool p1, string memory p2, bool p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(bool,bool,string,bool)", p0, p1, p2, p3)); } function log(bool p0, bool p1, string memory p2, address p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(bool,bool,string,address)", p0, p1, p2, p3)); } function log(bool p0, bool p1, bool p2, uint p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(bool,bool,bool,uint)", p0, p1, p2, p3)); } function log(bool p0, bool p1, bool p2, string memory p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(bool,bool,bool,string)", p0, p1, p2, p3)); } function log(bool p0, bool p1, bool p2, bool p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(bool,bool,bool,bool)", p0, p1, p2, p3)); } function log(bool p0, bool p1, bool p2, address p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(bool,bool,bool,address)", p0, p1, p2, p3)); } function log(bool p0, bool p1, address p2, uint p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(bool,bool,address,uint)", p0, p1, p2, p3)); } function log(bool p0, bool p1, address p2, string memory p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(bool,bool,address,string)", p0, p1, p2, p3)); } function log(bool p0, bool p1, address p2, bool p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(bool,bool,address,bool)", p0, p1, p2, p3)); } function log(bool p0, bool p1, address p2, address p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(bool,bool,address,address)", p0, p1, p2, p3)); } function log(bool p0, address p1, uint p2, uint p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(bool,address,uint,uint)", p0, p1, p2, p3)); } function log(bool p0, address p1, uint p2, string memory p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(bool,address,uint,string)", p0, p1, p2, p3)); } function log(bool p0, address p1, uint p2, bool p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(bool,address,uint,bool)", p0, p1, p2, p3)); } function log(bool p0, address p1, uint p2, address p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(bool,address,uint,address)", p0, p1, p2, p3)); } function log(bool p0, address p1, string memory p2, uint p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(bool,address,string,uint)", p0, p1, p2, p3)); } function log(bool p0, address p1, string memory p2, string memory p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(bool,address,string,string)", p0, p1, p2, p3)); } function log(bool p0, address p1, string memory p2, bool p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(bool,address,string,bool)", p0, p1, p2, p3)); } function log(bool p0, address p1, string memory p2, address p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(bool,address,string,address)", p0, p1, p2, p3)); } function log(bool p0, address p1, bool p2, uint p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(bool,address,bool,uint)", p0, p1, p2, p3)); } function log(bool p0, address p1, bool p2, string memory p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(bool,address,bool,string)", p0, p1, p2, p3)); } function log(bool p0, address p1, bool p2, bool p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(bool,address,bool,bool)", p0, p1, p2, p3)); } function log(bool p0, address p1, bool p2, address p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(bool,address,bool,address)", p0, p1, p2, p3)); } function log(bool p0, address p1, address p2, uint p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(bool,address,address,uint)", p0, p1, p2, p3)); } function log(bool p0, address p1, address p2, string memory p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(bool,address,address,string)", p0, p1, p2, p3)); } function log(bool p0, address p1, address p2, bool p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(bool,address,address,bool)", p0, p1, p2, p3)); } function log(bool p0, address p1, address p2, address p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(bool,address,address,address)", p0, p1, p2, p3)); } function log(address p0, uint p1, uint p2, uint p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(address,uint,uint,uint)", p0, p1, p2, p3)); } function log(address p0, uint p1, uint p2, string memory p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(address,uint,uint,string)", p0, p1, p2, p3)); } function log(address p0, uint p1, uint p2, bool p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(address,uint,uint,bool)", p0, p1, p2, p3)); } function log(address p0, uint p1, uint p2, address p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(address,uint,uint,address)", p0, p1, p2, p3)); } function log(address p0, uint p1, string memory p2, uint p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(address,uint,string,uint)", p0, p1, p2, p3)); } function log(address p0, uint p1, string memory p2, string memory p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(address,uint,string,string)", p0, p1, p2, p3)); } function log(address p0, uint p1, string memory p2, bool p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(address,uint,string,bool)", p0, p1, p2, p3)); } function log(address p0, uint p1, string memory p2, address p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(address,uint,string,address)", p0, p1, p2, p3)); } function log(address p0, uint p1, bool p2, uint p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(address,uint,bool,uint)", p0, p1, p2, p3)); } function log(address p0, uint p1, bool p2, string memory p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(address,uint,bool,string)", p0, p1, p2, p3)); } function log(address p0, uint p1, bool p2, bool p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(address,uint,bool,bool)", p0, p1, p2, p3)); } function log(address p0, uint p1, bool p2, address p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(address,uint,bool,address)", p0, p1, p2, p3)); } function log(address p0, uint p1, address p2, uint p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(address,uint,address,uint)", p0, p1, p2, p3)); } function log(address p0, uint p1, address p2, string memory p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(address,uint,address,string)", p0, p1, p2, p3)); } function log(address p0, uint p1, address p2, bool p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(address,uint,address,bool)", p0, p1, p2, p3)); } function log(address p0, uint p1, address p2, address p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(address,uint,address,address)", p0, p1, p2, p3)); } function log(address p0, string memory p1, uint p2, uint p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(address,string,uint,uint)", p0, p1, p2, p3)); } function log(address p0, string memory p1, uint p2, string memory p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(address,string,uint,string)", p0, p1, p2, p3)); } function log(address p0, string memory p1, uint p2, bool p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(address,string,uint,bool)", p0, p1, p2, p3)); } function log(address p0, string memory p1, uint p2, address p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(address,string,uint,address)", p0, p1, p2, p3)); } function log(address p0, string memory p1, string memory p2, uint p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(address,string,string,uint)", p0, p1, p2, p3)); } function log(address p0, string memory p1, string memory p2, string memory p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(address,string,string,string)", p0, p1, p2, p3)); } function log(address p0, string memory p1, string memory p2, bool p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(address,string,string,bool)", p0, p1, p2, p3)); } function log(address p0, string memory p1, string memory p2, address p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(address,string,string,address)", p0, p1, p2, p3)); } function log(address p0, string memory p1, bool p2, uint p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(address,string,bool,uint)", p0, p1, p2, p3)); } function log(address p0, string memory p1, bool p2, string memory p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(address,string,bool,string)", p0, p1, p2, p3)); } function log(address p0, string memory p1, bool p2, bool p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(address,string,bool,bool)", p0, p1, p2, p3)); } function log(address p0, string memory p1, bool p2, address p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(address,string,bool,address)", p0, p1, p2, p3)); } function log(address p0, string memory p1, address p2, uint p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(address,string,address,uint)", p0, p1, p2, p3)); } function log(address p0, string memory p1, address p2, string memory p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(address,string,address,string)", p0, p1, p2, p3)); } function log(address p0, string memory p1, address p2, bool p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(address,string,address,bool)", p0, p1, p2, p3)); } function log(address p0, string memory p1, address p2, address p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(address,string,address,address)", p0, p1, p2, p3)); } function log(address p0, bool p1, uint p2, uint p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(address,bool,uint,uint)", p0, p1, p2, p3)); } function log(address p0, bool p1, uint p2, string memory p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(address,bool,uint,string)", p0, p1, p2, p3)); } function log(address p0, bool p1, uint p2, bool p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(address,bool,uint,bool)", p0, p1, p2, p3)); } function log(address p0, bool p1, uint p2, address p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(address,bool,uint,address)", p0, p1, p2, p3)); } function log(address p0, bool p1, string memory p2, uint p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(address,bool,string,uint)", p0, p1, p2, p3)); } function log(address p0, bool p1, string memory p2, string memory p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(address,bool,string,string)", p0, p1, p2, p3)); } function log(address p0, bool p1, string memory p2, bool p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(address,bool,string,bool)", p0, p1, p2, p3)); } function log(address p0, bool p1, string memory p2, address p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(address,bool,string,address)", p0, p1, p2, p3)); } function log(address p0, bool p1, bool p2, uint p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(address,bool,bool,uint)", p0, p1, p2, p3)); } function log(address p0, bool p1, bool p2, string memory p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(address,bool,bool,string)", p0, p1, p2, p3)); } function log(address p0, bool p1, bool p2, bool p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(address,bool,bool,bool)", p0, p1, p2, p3)); } function log(address p0, bool p1, bool p2, address p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(address,bool,bool,address)", p0, p1, p2, p3)); } function log(address p0, bool p1, address p2, uint p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(address,bool,address,uint)", p0, p1, p2, p3)); } function log(address p0, bool p1, address p2, string memory p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(address,bool,address,string)", p0, p1, p2, p3)); } function log(address p0, bool p1, address p2, bool p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(address,bool,address,bool)", p0, p1, p2, p3)); } function log(address p0, bool p1, address p2, address p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(address,bool,address,address)", p0, p1, p2, p3)); } function log(address p0, address p1, uint p2, uint p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(address,address,uint,uint)", p0, p1, p2, p3)); } function log(address p0, address p1, uint p2, string memory p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(address,address,uint,string)", p0, p1, p2, p3)); } function log(address p0, address p1, uint p2, bool p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(address,address,uint,bool)", p0, p1, p2, p3)); } function log(address p0, address p1, uint p2, address p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(address,address,uint,address)", p0, p1, p2, p3)); } function log(address p0, address p1, string memory p2, uint p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(address,address,string,uint)", p0, p1, p2, p3)); } function log(address p0, address p1, string memory p2, string memory p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(address,address,string,string)", p0, p1, p2, p3)); } function log(address p0, address p1, string memory p2, bool p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(address,address,string,bool)", p0, p1, p2, p3)); } function log(address p0, address p1, string memory p2, address p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(address,address,string,address)", p0, p1, p2, p3)); } function log(address p0, address p1, bool p2, uint p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(address,address,bool,uint)", p0, p1, p2, p3)); } function log(address p0, address p1, bool p2, string memory p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(address,address,bool,string)", p0, p1, p2, p3)); } function log(address p0, address p1, bool p2, bool p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(address,address,bool,bool)", p0, p1, p2, p3)); } function log(address p0, address p1, bool p2, address p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(address,address,bool,address)", p0, p1, p2, p3)); } function log(address p0, address p1, address p2, uint p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(address,address,address,uint)", p0, p1, p2, p3)); } function log(address p0, address p1, address p2, string memory p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(address,address,address,string)", p0, p1, p2, p3)); } function log(address p0, address p1, address p2, bool p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(address,address,address,bool)", p0, p1, p2, p3)); } function log(address p0, address p1, address p2, address p3) internal view { _sendLogPayload(abi.encodeWithSignature("log(address,address,address,address)", p0, p1, p2, p3)); } }
Contract ABI
[{"type":"constructor","stateMutability":"nonpayable","inputs":[{"type":"address","name":"_pool","internalType":"address payable"},{"type":"address","name":"_addressesProvider","internalType":"address"},{"type":"address","name":"_poolConfigurator","internalType":"address"}]},{"type":"event","name":"OwnershipTransferred","inputs":[{"type":"address","name":"previousOwner","internalType":"address","indexed":true},{"type":"address","name":"newOwner","internalType":"address","indexed":true}],"anonymous":false},{"type":"event","name":"deployedContracts","inputs":[{"type":"address","name":"aToken","internalType":"address","indexed":false},{"type":"address","name":"strategy","internalType":"address","indexed":false}],"anonymous":false},{"type":"function","stateMutability":"nonpayable","outputs":[],"name":"configureReserves","inputs":[{"type":"tuple[]","name":"inputParams","internalType":"struct ATokensAndRatesHelper.ConfigureReserveInput[]","components":[{"type":"address","name":"asset","internalType":"address"},{"type":"uint256","name":"baseLTV","internalType":"uint256"},{"type":"uint256","name":"liquidationThreshold","internalType":"uint256"},{"type":"uint256","name":"liquidationBonus","internalType":"uint256"},{"type":"uint256","name":"reserveFactor","internalType":"uint256"},{"type":"bool","name":"stableBorrowingEnabled","internalType":"bool"}]}]},{"type":"function","stateMutability":"nonpayable","outputs":[],"name":"initDeployment","inputs":[{"type":"tuple[]","name":"inputParams","internalType":"struct ATokensAndRatesHelper.InitDeploymentInput[]","components":[{"type":"address","name":"asset","internalType":"address"},{"type":"uint256[6]","name":"rates","internalType":"uint256[6]"}]}]},{"type":"function","stateMutability":"view","outputs":[{"type":"address","name":"","internalType":"address"}],"name":"owner","inputs":[]},{"type":"function","stateMutability":"nonpayable","outputs":[],"name":"renounceOwnership","inputs":[]},{"type":"function","stateMutability":"nonpayable","outputs":[],"name":"transferOwnership","inputs":[{"type":"address","name":"newOwner","internalType":"address"}]}]
Contract Creation Code
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