Overview
ETH Balance
0 ETH
Eth Value
$0.00More Info
Private Name Tags
Latest 25 from a total of 245 transactions
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Borrow ETH | 16594761 | 563 days ago | IN | 0 ETH | 0.01684929 | ||||
Borrow ETH | 16214543 | 617 days ago | IN | 0 ETH | 0.00742898 | ||||
Borrow ETH | 16118970 | 630 days ago | IN | 0 ETH | 0.00986606 | ||||
Deposit ETH | 16010497 | 645 days ago | IN | 0.4 ETH | 0.00415656 | ||||
Borrow ETH | 16010219 | 645 days ago | IN | 0 ETH | 0.00518338 | ||||
Withdraw ETH | 15958356 | 652 days ago | IN | 0 ETH | 0.00419779 | ||||
Withdraw ETH | 15953580 | 653 days ago | IN | 0 ETH | 0.00679873 | ||||
Deposit ETH | 15751995 | 681 days ago | IN | 2.06945414 ETH | 0.00410161 | ||||
Withdraw ETH | 15669182 | 693 days ago | IN | 0 ETH | 0.00864953 | ||||
Withdraw ETH | 15665043 | 693 days ago | IN | 0 ETH | 0.00215744 | ||||
Repay ETH | 15664984 | 693 days ago | IN | 2.35697778 ETH | 0.00250845 | ||||
Withdraw ETH | 15664980 | 693 days ago | IN | 0 ETH | 0.00330919 | ||||
Repay ETH | 15664957 | 693 days ago | IN | 7.00880298 ETH | 0.00195504 | ||||
Withdraw ETH | 15664931 | 693 days ago | IN | 0 ETH | 0.00283645 | ||||
Deposit ETH | 15661976 | 694 days ago | IN | 1 ETH | 0.00172909 | ||||
Deposit ETH | 15659751 | 694 days ago | IN | 6.26856381 ETH | 0.0013772 | ||||
Borrow ETH | 15659743 | 694 days ago | IN | 0 ETH | 0.00227155 | ||||
Withdraw ETH | 15611434 | 701 days ago | IN | 0 ETH | 0.00273554 | ||||
Deposit ETH | 15576548 | 706 days ago | IN | 0.02 ETH | 0.00406246 | ||||
Repay ETH | 15543276 | 710 days ago | IN | 5.15310983 ETH | 0.0022808 | ||||
Withdraw ETH | 15543250 | 710 days ago | IN | 0 ETH | 0.00330927 | ||||
Repay ETH | 15543227 | 710 days ago | IN | 4.1135587 ETH | 0.00228088 | ||||
Withdraw ETH | 15426131 | 729 days ago | IN | 0 ETH | 0.00092131 | ||||
Withdraw ETH | 15426131 | 729 days ago | IN | 0 ETH | 0.00175479 | ||||
Deposit ETH | 15385740 | 736 days ago | IN | 3 ETH | 0.00379573 |
Latest 25 internal transactions (View All)
Advanced mode:
Parent Transaction Hash | Block | From | To | |||
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16594761 | 563 days ago | 0.03198977 ETH | ||||
16594761 | 563 days ago | 0.03198977 ETH | ||||
16214543 | 617 days ago | 0.26801022 ETH | ||||
16214543 | 617 days ago | 0.26801022 ETH | ||||
16118970 | 630 days ago | 0.1 ETH | ||||
16118970 | 630 days ago | 0.1 ETH | ||||
16010497 | 645 days ago | 0.4 ETH | ||||
16010219 | 645 days ago | 13.42549562 ETH | ||||
16010219 | 645 days ago | 13.42549562 ETH | ||||
15958356 | 652 days ago | 2.14338399 ETH | ||||
15958356 | 652 days ago | 2.14338399 ETH | ||||
15953580 | 653 days ago | 0.15 ETH | ||||
15953580 | 653 days ago | 0.15 ETH | ||||
15751995 | 681 days ago | 2.06945414 ETH | ||||
15669182 | 693 days ago | 4.00293644 ETH | ||||
15669182 | 693 days ago | 4.00293644 ETH | ||||
15665043 | 693 days ago | 4.142 ETH | ||||
15665043 | 693 days ago | 4.142 ETH | ||||
15664984 | 693 days ago | 0.00235459 ETH | ||||
15664984 | 693 days ago | 2.35462318 ETH | ||||
15664980 | 693 days ago | 2.5 ETH | ||||
15664980 | 693 days ago | 2.5 ETH | ||||
15664957 | 693 days ago | 7.00880298 ETH | ||||
15664931 | 693 days ago | 6.92 ETH | ||||
15664931 | 693 days ago | 6.92 ETH |
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Contract Name:
WETHGateway
Compiler Version
v0.8.4+commit.c7e474f2
Optimization Enabled:
Yes with 200 runs
Other Settings:
default evmVersion
Contract Source Code (Solidity Standard Json-Input format)
// SPDX-License-Identifier: agpl-3.0 pragma solidity ^0.8.4; import '../dependencies/openzeppelin/contracts/Address.sol'; import '../dependencies/openzeppelin/contracts/IERC20.sol'; import '../dependencies/openzeppelin/contracts/SafeERC20.sol'; import './interfaces/IWETH.sol'; import './interfaces/IWETHGateway.sol'; import '../tools/SweepBase.sol'; import '../interfaces/ILendingPool.sol'; import '../interfaces/IDepositToken.sol'; import '../protocol/libraries/configuration/ReserveConfiguration.sol'; import '../protocol/libraries/configuration/UserConfiguration.sol'; import '../protocol/libraries/helpers/Helpers.sol'; import '../protocol/libraries/types/DataTypes.sol'; import '../access/MarketAccessBitmask.sol'; import '../access/interfaces/IMarketAccessController.sol'; contract WETHGateway is IWETHGateway, IWETHGatewayCompatible, SweepBase, MarketAccessBitmask { using SafeERC20 for IERC20; using ReserveConfiguration for DataTypes.ReserveConfigurationMap; using UserConfiguration for DataTypes.UserConfigurationMap; // solhint-disable-next-line var-name-mixedcase IWETH internal immutable WETH; /** * @dev Sets the WETH address * @param weth Address of the Wrapped Ether contract **/ constructor(IMarketAccessController acl, address weth) MarketAccessBitmask(acl) { WETH = IWETH(weth); } /** * @dev deposits WETH into the reserve, using native ETH. A corresponding amount of the overlying asset (depositTokens) * is minted. * @param lendingPool address of the targeted underlying lending pool * @param onBehalfOf address of the user who will receive the depositTokens representing the deposit * @param referralCode integrators are assigned a referral code and can potentially receive rewards. **/ function depositETH( address lendingPool, address onBehalfOf, uint256 referralCode ) external payable override { WETH.deposit{value: msg.value}(); WETH.approve(lendingPool, msg.value); ILendingPool(lendingPool).deposit(address(WETH), msg.value, onBehalfOf, referralCode); } /// @dev backward compatible ABI function depositETH( address lendingPool, address onBehalfOf, uint16 referralCode ) external payable override { WETH.deposit{value: msg.value}(); WETH.approve(lendingPool, msg.value); ILendingPool(lendingPool).deposit(address(WETH), msg.value, onBehalfOf, uint256(referralCode)); } /** * @dev withdraws the WETH _reserves of msg.sender. * @param lendingPool address of the targeted underlying lending pool * @param amount amount of aWETH to withdraw and receive native ETH * @param to address of the user who will receive native ETH */ function withdrawETH( address lendingPool, uint256 amount, address to ) external override { IDepositToken aWETH = IDepositToken(ILendingPool(lendingPool).getReserveData(address(WETH)).depositTokenAddress); // if amount is equal to uint(-1), the user wants to redeem everything if (amount == type(uint256).max) { amount = aWETH.balanceOf(msg.sender); } IERC20(aWETH).safeTransferFrom(msg.sender, address(this), amount); ILendingPool(lendingPool).withdraw(address(WETH), amount, address(this)); WETH.withdraw(amount); Address.sendValue(payable(to), amount); } /** * @dev repays a borrow on the WETH reserve, for the specified amount (or for the whole amount, if uint256(-1) is specified). * @param lendingPool address of the targeted underlying lending pool * @param amount the amount to repay, or uint256(-1) if the user wants to repay everything * @param rateMode the rate mode to repay * @param onBehalfOf the address for which msg.sender is repaying */ function repayETH( address lendingPool, uint256 amount, uint256 rateMode, address onBehalfOf ) external payable override { (uint256 stableDebt, uint256 variableDebt) = Helpers.getUserCurrentDebtMemory( onBehalfOf, ILendingPool(lendingPool).getReserveData(address(WETH)) ); uint256 paybackAmount = DataTypes.InterestRateMode(rateMode) == DataTypes.InterestRateMode.STABLE ? stableDebt : variableDebt; if (amount < paybackAmount) { paybackAmount = amount; } require(msg.value >= paybackAmount, 'msg.value is less than repayment amount'); WETH.deposit{value: paybackAmount}(); WETH.approve(lendingPool, msg.value); ILendingPool(lendingPool).repay(address(WETH), msg.value, rateMode, onBehalfOf); // refund remaining dust eth if (msg.value > paybackAmount) { Address.sendValue(payable(msg.sender), msg.value - paybackAmount); } } /** * @dev borrow WETH, unwraps to ETH and send both the ETH and DebtTokens to msg.sender * via `approveDelegation` and onBehalf argument in `LendingPool.borrow`. * @param lendingPool address of the targeted underlying lending pool * @param amount the amount of ETH to borrow * @param interesRateMode the interest rate mode * @param referralCode integrators are assigned a referral code and can potentially receive rewards */ function borrowETH( address lendingPool, uint256 amount, uint256 interesRateMode, uint256 referralCode ) external override { ILendingPool(lendingPool).borrow(address(WETH), amount, interesRateMode, referralCode, msg.sender); WETH.withdraw(amount); Address.sendValue(payable(msg.sender), amount); } /// @dev backward compatible ABI function borrowETH( address lendingPool, uint256 amount, uint256 interesRateMode, uint16 referralCode ) external override { ILendingPool(lendingPool).borrow(address(WETH), amount, interesRateMode, uint256(referralCode), msg.sender); WETH.withdraw(amount); Address.sendValue(payable(msg.sender), amount); } function _onlySweepAdmin() internal view override(MarketAccessBitmask, SweepBase) { MarketAccessBitmask._onlySweepAdmin(); } /** * @dev Get WETH address used by WETHGateway */ function getWETHAddress() external view override returns (address) { return address(WETH); } /// @dev Only WETH contract is allowed to transfer ETH here. Prevent other addresses to send Ether to this contract. receive() external payable { require(msg.sender == address(WETH), 'Receive not allowed'); } /// @dev Revert fallback calls fallback() external payable { revert('Fallback not allowed'); } }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.4; // solhint-disable no-inline-assembly, avoid-low-level-calls /** * @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) { // This method relies on extcodesize, which returns 0 for contracts in // construction, since the code is only stored at the end of the // constructor execution. uint256 size; assembly { size := extcodesize(account) } return size > 0; } bytes32 private constant accountHash = 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470; function isExternallyOwned(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; uint256 size; assembly { codehash := extcodehash(account) size := extcodesize(account) } return codehash == accountHash && size == 0; } /** * @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}. */ 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'); } /** * @dev Performs a Solidity function call using a low level `call`. A * plain `call` is an unsafe replacement for a function call: use this * function instead. * * If `target` reverts with a revert reason, it is bubbled up by this * function (like regular Solidity function calls). * * Returns the raw returned data. * * Requirements: * * - `target` must be a contract. * - calling `target` with `data` must not revert. * * _Available since v3.1._ */ function functionCall(address target, bytes memory data) internal returns (bytes memory) { return functionCall(target, data, 'Address: low-level call failed'); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with * `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ */ function functionCall( address target, bytes memory data, string memory errorMessage ) internal returns (bytes memory) { return functionCallWithValue(target, data, 0, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but also transferring `value` wei to `target`. * * Requirements: * * - the calling contract must have an ETH balance of at least `value`. * - the called Solidity function must be `payable`. * * _Available since v3.1._ */ function functionCallWithValue( address target, bytes memory data, uint256 value ) internal returns (bytes memory) { return functionCallWithValue(target, data, value, 'Address: low-level call with value failed'); } /** * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but * with `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ */ function functionCallWithValue( address target, bytes memory data, uint256 value, string memory errorMessage ) internal returns (bytes memory) { require(address(this).balance >= value, 'Address: insufficient balance for call'); require(isContract(target), 'Address: call to non-contract'); (bool success, bytes memory returndata) = target.call{value: value}(data); return verifyCallResult(success, returndata, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but performing a static call. * * _Available since v3.3._ */ function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) { return functionStaticCall(target, data, 'Address: low-level static call failed'); } /** * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`], * but performing a static call. * * _Available since v3.3._ */ function functionStaticCall( address target, bytes memory data, string memory errorMessage ) internal view returns (bytes memory) { require(isContract(target), 'Address: static call to non-contract'); (bool success, bytes memory returndata) = target.staticcall(data); return verifyCallResult(success, returndata, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but performing a delegate call. * * _Available since v3.4._ */ function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) { return functionDelegateCall(target, data, 'Address: low-level delegate call failed'); } /** * @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`], * but performing a delegate call. * * _Available since v3.4._ */ function functionDelegateCall( address target, bytes memory data, string memory errorMessage ) internal returns (bytes memory) { require(isContract(target), 'Address: delegate call to non-contract'); (bool success, bytes memory returndata) = target.delegatecall(data); return verifyCallResult(success, returndata, errorMessage); } /** * @dev Tool to verifies that a low level call was successful, and revert if it wasn't, either by bubbling the * revert reason using the provided one. * * _Available since v4.3._ */ function verifyCallResult( bool success, bytes memory returndata, string memory errorMessage ) internal pure returns (bytes memory) { if (success) { return returndata; } else { // Look for revert reason and bubble it up if present if (returndata.length > 0) { // The easiest way to bubble the revert reason is using memory via assembly assembly { let returndata_size := mload(returndata) revert(add(32, returndata), returndata_size) } } else { revert(errorMessage); } } } }
// SPDX-License-Identifier: agpl-3.0 pragma solidity ^0.8.4; /** * @dev Interface of the ERC20 standard as defined in the EIP excluding events to avoid linearization issues. */ 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. */ 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 */ 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. */ function transferFrom( address sender, address recipient, uint256 amount ) external returns (bool); }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.4; import './IERC20.sol'; import './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 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'); } } }
// SPDX-License-Identifier: agpl-3.0 pragma solidity ^0.8.4; interface IWETH { function deposit() external payable; function withdraw(uint256) external; function approve(address guy, uint256 wad) external returns (bool); function transferFrom( address src, address dst, uint256 wad ) external returns (bool); function transfer(address dst, uint256 wad) external returns (bool); }
// SPDX-License-Identifier: agpl-3.0 pragma solidity ^0.8.4; interface IWETHGateway { function depositETH( address lendingPool, address onBehalfOf, uint256 referralCode ) external payable; function withdrawETH( address lendingPool, uint256 amount, address onBehalfOf ) external; function repayETH( address lendingPool, uint256 amount, uint256 rateMode, address onBehalfOf ) external payable; function borrowETH( address lendingPool, uint256 amount, uint256 interesRateMode, uint256 referralCode ) external; function getWETHAddress() external view returns (address); } interface IWETHGatewayCompatible { function depositETH( address lendingPool, address onBehalfOf, uint16 referralCode ) external payable; function borrowETH( address lendingPool, uint256 amount, uint256 interesRateMode, uint16 referralCode ) external; }
// SPDX-License-Identifier: agpl-3.0 pragma solidity ^0.8.4; import '../dependencies/openzeppelin/contracts/Address.sol'; import '../dependencies/openzeppelin/contracts/IERC20.sol'; import '../dependencies/openzeppelin/contracts/SafeERC20.sol'; import '../interfaces/ISweeper.sol'; import './Errors.sol'; abstract contract SweepBase is ISweeper { address private constant ETH = 0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE; function sweepToken( address token, address to, uint256 amount ) external override { _onlySweepAdmin(); if (token == ETH) { Address.sendValue(payable(to), amount); } else { SafeERC20.safeTransfer(IERC20(token), to, amount); } } function _onlySweepAdmin() internal view virtual; }
// SPDX-License-Identifier: agpl-3.0 pragma solidity ^0.8.4; import '../protocol/libraries/types/DataTypes.sol'; import './ILendingPoolEvents.sol'; interface ILendingPool is ILendingPoolEvents { /** * @dev Deposits an `amount` of underlying asset into the reserve, receiving in return overlying depositTokens. * - 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 depositTokens, same as msg.sender if the user * wants to receive them on his own wallet, or a different address if the beneficiary of depositTokens * is a different wallet * @param referral 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, uint256 referral ) external; /** * @dev Withdraws an `amount` of underlying asset from the reserve, burning the equivalent depositTokens 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 depositToken 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 referral 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, uint256 referral, 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 receiveDeposit `true` if the liquidators wants to receive the collateral depositTokens, `false` if he wants * to receive the underlying collateral asset directly **/ function liquidationCall( address collateralAsset, address debtAsset, address user, uint256 debtToCover, bool receiveDeposit ) 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 referral 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, uint256 referral ) 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 ); /** * @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 getReservesList() external view returns (address[] memory); function getAddressesProvider() external view returns (address); function getFlashloanPremiumPct() external view returns (uint16); }
// SPDX-License-Identifier: agpl-3.0 pragma solidity ^0.8.4; import '../dependencies/openzeppelin/contracts/IERC20.sol'; import './IScaledBalanceToken.sol'; import './IPoolToken.sol'; interface IDepositToken is IERC20, IPoolToken, IScaledBalanceToken { /** * @dev Emitted on mint * @param account The receiver of minted tokens * @param value The amount minted * @param index The new liquidity index of the reserve **/ event Mint(address indexed account, uint256 value, uint256 index); /** * @dev Mints `amount` depositTokens 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 * @param repayOverdraft Enables to use this amount cover an overdraft * @return `true` if the the previous balance of the user was 0 */ function mint( address user, uint256 amount, uint256 index, bool repayOverdraft ) external returns (bool); /** * @dev Emitted on burn * @param account The owner of tokens burned * @param target The receiver of the underlying * @param value The amount burned * @param index The new liquidity index of the reserve **/ event Burn(address indexed account, address indexed target, uint256 value, uint256 index); /** * @dev Emitted on transfer * @param from The sender * @param to The recipient * @param value The amount transferred * @param index The new liquidity index of the reserve **/ event BalanceTransfer(address indexed from, address indexed to, uint256 value, uint256 index); /** * @dev Burns depositTokens from `user` and sends the equivalent amount of underlying to `receiverOfUnderlying` * @param user The owner of the depositTokens, 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 depositTokens 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 depositTokens in the event of a borrow being liquidated, in case the liquidators reclaims the depositToken * @param from The address getting liquidated, current owner of the depositTokens * @param to The recipient * @param value The amount of tokens getting transferred * @param index The liquidity index of the reserve * @param transferUnderlying is true when the underlying should be, otherwise the depositToken * @return true when transferUnderlying is false and the recipient had zero balance **/ function transferOnLiquidation( address from, address to, uint256 value, uint256 index, bool transferUnderlying ) external returns (bool); /** * @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); function collateralBalanceOf(address) external view returns (uint256); /** * @dev Emitted on use of overdraft (by liquidation) * @param account The receiver of overdraft (user with shortage) * @param value The amount received * @param index The liquidity index of the reserve **/ event OverdraftApplied(address indexed account, uint256 value, uint256 index); /** * @dev Emitted on return of overdraft allowance when it was fully or partially used * @param provider The provider of overdraft * @param recipient The receiver of overdraft * @param overdraft The amount overdraft that was covered by the provider * @param index The liquidity index of the reserve **/ event OverdraftCovered(address indexed provider, address indexed recipient, uint256 overdraft, uint256 index); event SubBalanceProvided(address indexed provider, address indexed recipient, uint256 amount, uint256 index); event SubBalanceReturned(address indexed provider, address indexed recipient, uint256 amount, uint256 index); event SubBalanceLocked(address indexed provider, uint256 amount, uint256 index); event SubBalanceUnlocked(address indexed provider, uint256 amount, uint256 index); function updateTreasury() external; function addSubBalanceOperator(address addr) external; function addStakeOperator(address addr) external; function removeSubBalanceOperator(address addr) external; function provideSubBalance( address provider, address recipient, uint256 scaledAmount ) external; function returnSubBalance( address provider, address recipient, uint256 scaledAmount, bool preferOverdraft ) external returns (uint256 coveredOverdraft); function lockSubBalance(address provider, uint256 scaledAmount) external; function unlockSubBalance( address provider, uint256 scaledAmount, address transferTo ) external; function replaceSubBalance( address prevProvider, address recipient, uint256 prevScaledAmount, address newProvider, uint256 newScaledAmount ) external returns (uint256 coveredOverdraftByPrevProvider); function transferLockedBalance( address from, address to, uint256 scaledAmount ) external; }
// SPDX-License-Identifier: agpl-3.0 pragma solidity ^0.8.4; import '../../../tools/Errors.sol'; import '../types/DataTypes.sol'; /// @dev ReserveConfiguration library, implements the bitmap logic to handle the reserve configuration library ReserveConfiguration { uint256 private constant LTV_MASK = 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF0000; // prettier-ignore uint256 private constant LIQUIDATION_THRESHOLD_MASK = 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF0000FFFF; // prettier-ignore uint256 private constant LIQUIDATION_BONUS_MASK = 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF0000FFFFFFFF; // prettier-ignore uint256 private constant DECIMALS_MASK = 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF00FFFFFFFFFFFF; // prettier-ignore uint256 private constant ACTIVE_MASK = 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFFFFFFFFFFF; // prettier-ignore uint256 private constant FROZEN_MASK = 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFDFFFFFFFFFFFFFF; // prettier-ignore uint256 private constant BORROWING_MASK = 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFBFFFFFFFFFFFFFF; // prettier-ignore uint256 private constant STABLE_BORROWING_MASK = 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF7FFFFFFFFFFFFFF; // prettier-ignore uint256 private constant RESERVE_FACTOR_MASK = 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF0000FFFFFFFFFFFFFFFF; // prettier-ignore uint256 private constant STRATEGY_TYPE_MASK = 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEFFFFFFFFFFFFFFFFFFFF; // prettier-ignore /// @dev For the LTV, the start bit is 0 (up to 15), hence no bitshifting is needed uint256 private constant LIQUIDATION_THRESHOLD_START_BIT_POSITION = 16; uint256 private constant LIQUIDATION_BONUS_START_BIT_POSITION = 32; uint256 private constant RESERVE_DECIMALS_START_BIT_POSITION = 48; uint256 private constant RESERVE_FACTOR_START_BIT_POSITION = 64; uint256 private constant MAX_VALID_LTV = 65535; uint256 private constant MAX_VALID_LIQUIDATION_THRESHOLD = 65535; uint256 private constant MAX_VALID_LIQUIDATION_BONUS = 65535; uint256 private constant MAX_VALID_DECIMALS = 255; uint256 private constant MAX_VALID_RESERVE_FACTOR = 65535; /// @dev Sets the Loan to Value of the reserve 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 function getLtv(DataTypes.ReserveConfigurationMap storage self) internal view returns (uint256) { return self.data & ~LTV_MASK; } 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); } function getLiquidationThreshold(DataTypes.ReserveConfigurationMap storage self) internal view returns (uint256) { return (self.data & ~LIQUIDATION_THRESHOLD_MASK) >> LIQUIDATION_THRESHOLD_START_BIT_POSITION; } 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); } function getLiquidationBonus(DataTypes.ReserveConfigurationMap storage self) internal view returns (uint256) { return (self.data & ~LIQUIDATION_BONUS_MASK) >> LIQUIDATION_BONUS_START_BIT_POSITION; } 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); } function getDecimals(DataTypes.ReserveConfigurationMap storage self) internal view returns (uint256) { return (self.data & ~DECIMALS_MASK) >> RESERVE_DECIMALS_START_BIT_POSITION; } function getDecimalsMemory(DataTypes.ReserveConfigurationMap memory self) internal pure returns (uint8) { return uint8((self.data & ~DECIMALS_MASK) >> RESERVE_DECIMALS_START_BIT_POSITION); } function _setFlag( DataTypes.ReserveConfigurationMap memory self, uint256 mask, bool value ) internal pure { if (value) { self.data |= ~mask; } else { self.data &= mask; } } function setActive(DataTypes.ReserveConfigurationMap memory self, bool active) internal pure { _setFlag(self, ACTIVE_MASK, active); } function getActive(DataTypes.ReserveConfigurationMap storage self) internal view returns (bool) { return (self.data & ~ACTIVE_MASK) != 0; } function setFrozen(DataTypes.ReserveConfigurationMap memory self, bool frozen) internal pure { _setFlag(self, FROZEN_MASK, frozen); } function getFrozen(DataTypes.ReserveConfigurationMap storage self) internal view returns (bool) { return (self.data & ~FROZEN_MASK) != 0; } function getFrozenMemory(DataTypes.ReserveConfigurationMap memory self) internal pure returns (bool) { return (self.data & ~FROZEN_MASK) != 0; } function setBorrowingEnabled(DataTypes.ReserveConfigurationMap memory self, bool enabled) internal pure { _setFlag(self, BORROWING_MASK, enabled); } function getBorrowingEnabled(DataTypes.ReserveConfigurationMap storage self) internal view returns (bool) { return (self.data & ~BORROWING_MASK) != 0; } function setStableRateBorrowingEnabled(DataTypes.ReserveConfigurationMap memory self, bool enabled) internal pure { _setFlag(self, STABLE_BORROWING_MASK, enabled); } function getStableRateBorrowingEnabled(DataTypes.ReserveConfigurationMap storage self) internal view returns (bool) { return (self.data & ~STABLE_BORROWING_MASK) != 0; } 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); } function getReserveFactor(DataTypes.ReserveConfigurationMap storage self) internal view returns (uint256) { return (self.data & ~RESERVE_FACTOR_MASK) >> RESERVE_FACTOR_START_BIT_POSITION; } /// @dev Returns flags: active, frozen, borrowing enabled, stableRateBorrowing enabled function getFlags(DataTypes.ReserveConfigurationMap storage self) internal view returns ( bool, bool, bool, bool ) { return _getFlags(self.data); } function getFlagsMemory(DataTypes.ReserveConfigurationMap memory self) internal pure returns ( bool active, bool frozen, bool borrowEnable, bool stableBorrowEnable ) { return _getFlags(self.data); } function _getFlags(uint256 data) private pure returns ( bool, bool, bool, bool ) { return ( (data & ~ACTIVE_MASK) != 0, (data & ~FROZEN_MASK) != 0, (data & ~BORROWING_MASK) != 0, (data & ~STABLE_BORROWING_MASK) != 0 ); } /// @dev Paramters of the reserve: ltv, liquidation threshold, liquidation bonus, the reserve decimals function getParams(DataTypes.ReserveConfigurationMap storage self) internal view returns ( uint256, uint256, uint256, uint256, uint256 ) { return _getParams(self.data); } /// @dev Paramters of the reserve: ltv, liquidation threshold, liquidation bonus, the reserve decimals function getParamsMemory(DataTypes.ReserveConfigurationMap memory self) internal pure returns ( uint256, uint256, uint256, uint256, uint256 ) { return _getParams(self.data); } function _getParams(uint256 dataLocal) private pure returns ( uint256, uint256, uint256, uint256, uint256 ) { 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 ); } function isExternalStrategyMemory(DataTypes.ReserveConfigurationMap memory self) internal pure returns (bool) { return (self.data & ~STRATEGY_TYPE_MASK) != 0; } function isExternalStrategy(DataTypes.ReserveConfigurationMap storage self) internal view returns (bool) { return (self.data & ~STRATEGY_TYPE_MASK) != 0; } function setExternalStrategy(DataTypes.ReserveConfigurationMap memory self, bool isExternal) internal pure { _setFlag(self, STRATEGY_TYPE_MASK, isExternal); } }
// SPDX-License-Identifier: agpl-3.0 pragma solidity ^0.8.4; import '../../../tools/Errors.sol'; import '../types/DataTypes.sol'; /// @dev Implements the bitmap logic to handle the user configuration library UserConfiguration { uint256 private constant ANY_BORROWING_MASK = 0x5555555555555555555555555555555555555555555555555555555555555555; uint256 private constant BORROW_BIT_MASK = 1; uint256 private constant COLLATERAL_BIT_MASK = 2; uint256 internal constant ANY_MASK = BORROW_BIT_MASK | COLLATERAL_BIT_MASK; uint256 internal constant SHIFT_STEP = 2; function setBorrowing(DataTypes.UserConfigurationMap storage self, uint256 reserveIndex) internal { self.data |= BORROW_BIT_MASK << (reserveIndex << 1); } function unsetBorrowing(DataTypes.UserConfigurationMap storage self, uint256 reserveIndex) internal { self.data &= ~(BORROW_BIT_MASK << (reserveIndex << 1)); } function setUsingAsCollateral(DataTypes.UserConfigurationMap storage self, uint256 reserveIndex) internal { self.data |= COLLATERAL_BIT_MASK << (reserveIndex << 1); } function unsetUsingAsCollateral(DataTypes.UserConfigurationMap storage self, uint256 reserveIndex) internal { self.data &= ~(COLLATERAL_BIT_MASK << (reserveIndex << 1)); } /// @dev Returns true if the user is using the reserve for borrowing function isBorrowing(DataTypes.UserConfigurationMap memory self, uint256 reserveIndex) internal pure returns (bool) { return (self.data >> (reserveIndex << 1)) & BORROW_BIT_MASK != 0; } /// @dev Returns true if the user is using the reserve as collateral function isUsingAsCollateral(DataTypes.UserConfigurationMap memory self, uint256 reserveIndex) internal pure returns (bool) { return (self.data >> (reserveIndex << 1)) & COLLATERAL_BIT_MASK != 0; } /// @dev Returns true if the user is borrowing from any reserve function isBorrowingAny(DataTypes.UserConfigurationMap memory self) internal pure returns (bool) { return self.data & ANY_BORROWING_MASK != 0; } /// @dev Returns true if the user is not using any reserve function isEmpty(DataTypes.UserConfigurationMap memory self) internal pure returns (bool) { return self.data == 0; } }
// SPDX-License-Identifier: agpl-3.0 pragma solidity ^0.8.4; import '../../../dependencies/openzeppelin/contracts/IERC20.sol'; import '../types/DataTypes.sol'; library Helpers { /// @dev Fetches the user current stable and variable debt balances 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) ); } }
// SPDX-License-Identifier: agpl-3.0 pragma solidity ^0.8.4; library DataTypes { 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 depositTokenAddress; address stableDebtTokenAddress; address variableDebtTokenAddress; //address of the reserve strategy address strategy; //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 //bit 80: strategy is external uint256 data; } struct UserConfigurationMap { uint256 data; } enum InterestRateMode {NONE, STABLE, VARIABLE} struct InitReserveData { address asset; address depositTokenAddress; address stableDebtAddress; address variableDebtAddress; address strategy; bool externalStrategy; } }
// SPDX-License-Identifier: agpl-3.0 pragma solidity ^0.8.4; import '../tools/Errors.sol'; import './interfaces/IMarketAccessController.sol'; import './AccessHelper.sol'; import './AccessFlags.sol'; // solhint-disable func-name-mixedcase abstract contract MarketAccessBitmaskMin { using AccessHelper for IMarketAccessController; IMarketAccessController internal _remoteAcl; constructor(IMarketAccessController remoteAcl) { _remoteAcl = remoteAcl; } function _getRemoteAcl(address addr) internal view returns (uint256) { return _remoteAcl.getAcl(addr); } function hasRemoteAcl() internal view returns (bool) { return _remoteAcl != IMarketAccessController(address(0)); } function acl_hasAnyOf(address subject, uint256 flags) internal view returns (bool) { return _remoteAcl.hasAnyOf(subject, flags); } modifier aclHas(uint256 flags) virtual { _remoteAcl.requireAnyOf(msg.sender, flags, Errors.TXT_ACCESS_RESTRICTED); _; } modifier aclAnyOf(uint256 flags) { _remoteAcl.requireAnyOf(msg.sender, flags, Errors.TXT_ACCESS_RESTRICTED); _; } modifier onlyPoolAdmin() { _remoteAcl.requireAnyOf(msg.sender, AccessFlags.POOL_ADMIN, Errors.CALLER_NOT_POOL_ADMIN); _; } modifier onlyRewardAdmin() { _remoteAcl.requireAnyOf(msg.sender, AccessFlags.REWARD_CONFIG_ADMIN, Errors.CALLER_NOT_REWARD_CONFIG_ADMIN); _; } modifier onlyRewardConfiguratorOrAdmin() { _remoteAcl.requireAnyOf( msg.sender, AccessFlags.REWARD_CONFIG_ADMIN | AccessFlags.REWARD_CONFIGURATOR, Errors.CALLER_NOT_REWARD_CONFIG_ADMIN ); _; } } abstract contract MarketAccessBitmask is MarketAccessBitmaskMin { using AccessHelper for IMarketAccessController; constructor(IMarketAccessController remoteAcl) MarketAccessBitmaskMin(remoteAcl) {} modifier onlyEmergencyAdmin() { _remoteAcl.requireAnyOf(msg.sender, AccessFlags.EMERGENCY_ADMIN, Errors.CALLER_NOT_EMERGENCY_ADMIN); _; } function _onlySweepAdmin() internal view virtual { _remoteAcl.requireAnyOf(msg.sender, AccessFlags.SWEEP_ADMIN, Errors.CALLER_NOT_SWEEP_ADMIN); } modifier onlySweepAdmin() { _onlySweepAdmin(); _; } }
// SPDX-License-Identifier: agpl-3.0 pragma solidity ^0.8.4; import './IAccessController.sol'; /// @dev Main registry of addresses part of or connected to the protocol, including permissioned roles. Also acts a proxy factory. interface IMarketAccessController is IAccessController { function getMarketId() external view returns (string memory); function getLendingPool() external view returns (address); function getPriceOracle() external view returns (address); function getLendingRateOracle() external view returns (address); }
// SPDX-License-Identifier: agpl-3.0 pragma solidity ^0.8.4; interface ISweeper { /// @dev transfer ERC20 from the utility contract, for ERC20 recovery of direct transfers to the contract address. function sweepToken( address token, address to, uint256 amount ) external; }
// SPDX-License-Identifier: agpl-3.0 pragma solidity ^0.8.4; /** * @title Errors library * @notice Defines the error messages emitted by the different contracts * @dev Error messages prefix glossary: * - VL = ValidationLogic * - MATH = Math libraries * - CT = Common errors between tokens (DepositToken, VariableDebtToken and StableDebtToken) * - AT = DepositToken * - SDT = StableDebtToken * - VDT = VariableDebtToken * - LP = LendingPool * - LPAPR = AddressesProviderRegistry * - LPC = LendingPoolConfiguration * - RL = ReserveLogic * - LPCM = LendingPoolExtension * - ST = Stake */ library Errors { //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_UNKNOWN_RESERVE = '4'; // Action requires an active reserve string public constant VL_NOT_ENOUGH_AVAILABLE_USER_BALANCE = '5'; // User cannot withdraw more than the available balance (above min limit) 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 exceeds max size of a stable loan string public constant VL_NO_DEBT_OF_SELECTED_TYPE = '15'; // to repay a debt, user needs to specify a correct debt type (variable or stable) 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 collateral 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 VL_RESERVE_MUST_BE_COLLATERAL = '21'; // This reserve must be enabled as collateral string public constant LP_INTEREST_RATE_REBALANCE_CONDITIONS_NOT_MET = '22'; // Interest rate rebalance conditions were not met string public constant AT_OVERDRAFT_DISABLED = '23'; // User doesn't accept allocation of overdraft string public constant VL_INVALID_SUB_BALANCE_ARGS = '24'; string public constant AT_INVALID_SLASH_DESTINATION = '25'; string public constant LP_CALLER_NOT_LENDING_POOL_CONFIGURATOR = '27'; // The caller of the function is not the lending pool configurator string public constant LENDING_POOL_REQUIRED = '28'; // The caller of this function must be a lending pool string public constant CALLER_NOT_LENDING_POOL = '29'; // The caller of this function must be a lending pool string public constant AT_SUB_BALANCE_RESTIRCTED_FUNCTION = '30'; // The caller of this function must be a lending pool or a sub-balance operator string public constant RL_RESERVE_ALREADY_INITIALIZED = '32'; // Reserve has already been initialized string public constant CALLER_NOT_POOL_ADMIN = '33'; // The caller must be the pool admin string public constant LPC_RESERVE_LIQUIDITY_NOT_0 = '34'; // The liquidity of the reserve needs to be 0 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 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 CALLER_NOT_STAKE_ADMIN = '57'; string public constant CT_INVALID_BURN_AMOUNT = '58'; //invalid amount to burn string public constant BORROW_ALLOWANCE_NOT_ENOUGH = '59'; // User borrows on behalf, but allowance are too small string public constant CALLER_NOT_LIQUIDITY_CONTROLLER = '60'; string public constant CALLER_NOT_REF_ADMIN = '61'; string public constant VL_INSUFFICIENT_REWARD_AVAILABLE = '62'; string public constant LP_CALLER_MUST_BE_DEPOSIT_TOKEN = '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 VL_TREASURY_REQUIRED = '74'; string public constant LPC_INVALID_CONFIGURATION = '75'; // Invalid risk parameters for the reserve string public constant CALLER_NOT_EMERGENCY_ADMIN = '76'; // The caller must be the emergency admin string public constant UL_INVALID_INDEX = '77'; string public constant VL_CONTRACT_REQUIRED = '78'; string public constant SDT_STABLE_DEBT_OVERFLOW = '79'; string public constant SDT_BURN_EXCEEDS_BALANCE = '80'; string public constant CALLER_NOT_REWARD_CONFIG_ADMIN = '81'; // The caller of this function must be a reward admin string public constant LP_INVALID_PERCENTAGE = '82'; // Percentage can't be more than 100% string public constant LP_IS_NOT_TRUSTED_FLASHLOAN = '83'; string public constant CALLER_NOT_SWEEP_ADMIN = '84'; string public constant LP_TOO_MANY_NESTED_CALLS = '85'; string public constant LP_RESTRICTED_FEATURE = '86'; string public constant LP_TOO_MANY_FLASHLOAN_CALLS = '87'; string public constant RW_BASELINE_EXCEEDED = '88'; string public constant CALLER_NOT_REWARD_RATE_ADMIN = '89'; string public constant CALLER_NOT_REWARD_CONTROLLER = '90'; string public constant RW_REWARD_PAUSED = '91'; string public constant CALLER_NOT_TEAM_MANAGER = '92'; string public constant STK_REDEEM_PAUSED = '93'; string public constant STK_INSUFFICIENT_COOLDOWN = '94'; string public constant STK_UNSTAKE_WINDOW_FINISHED = '95'; string public constant STK_INVALID_BALANCE_ON_COOLDOWN = '96'; string public constant STK_EXCESSIVE_SLASH_PCT = '97'; string public constant STK_WRONG_COOLDOWN_OR_UNSTAKE = '98'; string public constant STK_PAUSED = '99'; string public constant TXT_OWNABLE_CALLER_NOT_OWNER = 'Ownable: caller is not the owner'; string public constant TXT_CALLER_NOT_PROXY_OWNER = 'ProxyOwner: caller is not the owner'; string public constant TXT_ACCESS_RESTRICTED = 'RESTRICTED'; }
// SPDX-License-Identifier: agpl-3.0 pragma solidity ^0.8.4; import '../access/interfaces/IMarketAccessController.sol'; import '../protocol/libraries/types/DataTypes.sol'; interface ILendingPoolEvents { /// @dev Emitted on deposit() event Deposit( address indexed reserve, address user, address indexed onBehalfOf, uint256 amount, uint256 indexed referral ); /// @dev Emitted on withdraw() 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 event Borrow( address indexed reserve, address user, address indexed onBehalfOf, uint256 amount, uint256 borrowRateMode, uint256 borrowRate, uint256 indexed referral ); /// @dev Emitted on repay() event Repay( address indexed reserve, address indexed user, address indexed repayer, uint256 amount ); /// @dev Emitted on swapBorrowRateMode() event Swap(address indexed reserve, address indexed user, uint256 rateMode); /// @dev Emitted on setUserUseReserveAsCollateral() event ReserveUsedAsCollateralEnabled(address indexed reserve, address indexed user); /// @dev Emitted on setUserUseReserveAsCollateral() event ReserveUsedAsCollateralDisabled(address indexed reserve, address indexed user); /// @dev Emitted on rebalanceStableBorrowRate() event RebalanceStableBorrowRate(address indexed reserve, address indexed user); /// @dev Emitted on flashLoan() event FlashLoan( address indexed target, address indexed initiator, address indexed asset, uint256 amount, uint256 premium, uint256 referral ); /// @dev Emitted when a borrower is liquidated. event LiquidationCall( address indexed collateralAsset, address indexed debtAsset, address indexed user, uint256 debtToCover, uint256 liquidatedCollateralAmount, address liquidator, bool receiveDeposit ); /// @dev Emitted when the state of a reserve is updated. event ReserveDataUpdated( address indexed underlying, uint256 liquidityRate, uint256 stableBorrowRate, uint256 variableBorrowRate, uint256 liquidityIndex, uint256 variableBorrowIndex ); event LendingPoolExtensionUpdated(address extension); event DisabledFeaturesUpdated(uint16 disabledFeatures); event FlashLoanPremiumUpdated(uint16 premium); }
// SPDX-License-Identifier: agpl-3.0 pragma solidity ^0.8.4; import './IRemoteAccessBitmask.sol'; import '../../tools/upgradeability/IProxy.sol'; /// @dev Main registry of permissions and addresses interface IAccessController is IRemoteAccessBitmask { function getAddress(uint256 id) external view returns (address); function createProxy( address admin, address impl, bytes calldata params ) external returns (IProxy); }
// SPDX-License-Identifier: agpl-3.0 pragma solidity ^0.8.4; interface IRemoteAccessBitmask { /** * @dev Returns access flags granted to the given address and limited by the filterMask. filterMask == 0 has a special meaning. * @param addr an to get access perfmissions for * @param filterMask limits a subset of flags to be checked. * NB! When filterMask == 0 then zero is returned no flags granted, or an unspecified non-zero value otherwise. * @return Access flags currently granted */ function queryAccessControlMask(address addr, uint256 filterMask) external view returns (uint256); }
// SPDX-License-Identifier: agpl-3.0 pragma solidity ^0.8.4; interface IProxy { function upgradeToAndCall(address newImplementation, bytes calldata data) external payable; }
// SPDX-License-Identifier: agpl-3.0 pragma solidity ^0.8.4; 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); function getScaleIndex() external view returns (uint256); }
// SPDX-License-Identifier: agpl-3.0 pragma solidity ^0.8.4; import './IDerivedToken.sol'; // solhint-disable func-name-mixedcase interface IPoolToken is IDerivedToken { function POOL() external view returns (address); function updatePool() external; }
// SPDX-License-Identifier: agpl-3.0 pragma solidity ^0.8.4; // solhint-disable func-name-mixedcase interface IDerivedToken { /** * @dev Returns the address of the underlying asset of this token (E.g. WETH for agWETH) **/ function UNDERLYING_ASSET_ADDRESS() external view returns (address); }
// SPDX-License-Identifier: agpl-3.0 pragma solidity ^0.8.4; import './interfaces/IRemoteAccessBitmask.sol'; /// @dev Helper/wrapper around IRemoteAccessBitmask library AccessHelper { function getAcl(IRemoteAccessBitmask remote, address subject) internal view returns (uint256) { return remote.queryAccessControlMask(subject, ~uint256(0)); } function queryAcl( IRemoteAccessBitmask remote, address subject, uint256 filterMask ) internal view returns (uint256) { return remote.queryAccessControlMask(subject, filterMask); } function hasAnyOf( IRemoteAccessBitmask remote, address subject, uint256 flags ) internal view returns (bool) { uint256 found = queryAcl(remote, subject, flags); return found & flags != 0; } function hasAny(IRemoteAccessBitmask remote, address subject) internal view returns (bool) { return remote.queryAccessControlMask(subject, 0) != 0; } function hasNone(IRemoteAccessBitmask remote, address subject) internal view returns (bool) { return remote.queryAccessControlMask(subject, 0) == 0; } function requireAnyOf( IRemoteAccessBitmask remote, address subject, uint256 flags, string memory text ) internal view { require(hasAnyOf(remote, subject, flags), text); } }
// SPDX-License-Identifier: agpl-3.0 pragma solidity ^0.8.4; library AccessFlags { // roles that can be assigned to multiple addresses - use range [0..15] uint256 public constant EMERGENCY_ADMIN = 1 << 0; uint256 public constant POOL_ADMIN = 1 << 1; uint256 public constant TREASURY_ADMIN = 1 << 2; uint256 public constant REWARD_CONFIG_ADMIN = 1 << 3; uint256 public constant REWARD_RATE_ADMIN = 1 << 4; uint256 public constant STAKE_ADMIN = 1 << 5; uint256 public constant REFERRAL_ADMIN = 1 << 6; uint256 public constant LENDING_RATE_ADMIN = 1 << 7; uint256 public constant SWEEP_ADMIN = 1 << 8; uint256 public constant ORACLE_ADMIN = 1 << 9; uint256 public constant ROLES = (uint256(1) << 16) - 1; // singletons - use range [16..64] - can ONLY be assigned to a single address uint256 public constant SINGLETONS = ((uint256(1) << 64) - 1) & ~ROLES; // proxied singletons uint256 public constant LENDING_POOL = 1 << 16; uint256 public constant LENDING_POOL_CONFIGURATOR = 1 << 17; uint256 public constant LIQUIDITY_CONTROLLER = 1 << 18; uint256 public constant TREASURY = 1 << 19; uint256 public constant REWARD_TOKEN = 1 << 20; uint256 public constant REWARD_STAKE_TOKEN = 1 << 21; uint256 public constant REWARD_CONTROLLER = 1 << 22; uint256 public constant REWARD_CONFIGURATOR = 1 << 23; uint256 public constant STAKE_CONFIGURATOR = 1 << 24; uint256 public constant REFERRAL_REGISTRY = 1 << 25; uint256 public constant PROXIES = ((uint256(1) << 26) - 1) & ~ROLES; // non-proxied singletons, numbered down from 31 (as JS has problems with bitmasks over 31 bits) uint256 public constant WETH_GATEWAY = 1 << 27; uint256 public constant DATA_HELPER = 1 << 28; uint256 public constant PRICE_ORACLE = 1 << 29; uint256 public constant LENDING_RATE_ORACLE = 1 << 30; // any other roles - use range [64..] // these roles can be assigned to multiple addresses uint256 public constant TRUSTED_FLASHLOAN = 1 << 66; }
{ "optimizer": { "enabled": true, "runs": 200 }, "evmVersion": "istanbul", "outputSelection": { "*": { "*": [ "evm.bytecode", "evm.deployedBytecode", "abi" ] } }, "libraries": {} }
Contract Security Audit
- No Contract Security Audit Submitted- Submit Audit Here
[{"inputs":[{"internalType":"contract IMarketAccessController","name":"acl","type":"address"},{"internalType":"address","name":"weth","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"stateMutability":"payable","type":"fallback"},{"inputs":[{"internalType":"address","name":"lendingPool","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"},{"internalType":"uint256","name":"interesRateMode","type":"uint256"},{"internalType":"uint16","name":"referralCode","type":"uint16"}],"name":"borrowETH","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"lendingPool","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"},{"internalType":"uint256","name":"interesRateMode","type":"uint256"},{"internalType":"uint256","name":"referralCode","type":"uint256"}],"name":"borrowETH","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"lendingPool","type":"address"},{"internalType":"address","name":"onBehalfOf","type":"address"},{"internalType":"uint16","name":"referralCode","type":"uint16"}],"name":"depositETH","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"lendingPool","type":"address"},{"internalType":"address","name":"onBehalfOf","type":"address"},{"internalType":"uint256","name":"referralCode","type":"uint256"}],"name":"depositETH","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[],"name":"getWETHAddress","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"lendingPool","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"},{"internalType":"uint256","name":"rateMode","type":"uint256"},{"internalType":"address","name":"onBehalfOf","type":"address"}],"name":"repayETH","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"token","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"sweepToken","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"lendingPool","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"},{"internalType":"address","name":"to","type":"address"}],"name":"withdrawETH","outputs":[],"stateMutability":"nonpayable","type":"function"},{"stateMutability":"payable","type":"receive"}]
Contract Creation Code
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Deployed Bytecode
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Constructor Arguments (ABI-Encoded and is the last bytes of the Contract Creation Code above)
000000000000000000000000c6f769a0c46cffa57d91e87ed3bc0cd338ce6361000000000000000000000000c02aaa39b223fe8d0a0e5c4f27ead9083c756cc2
-----Decoded View---------------
Arg [0] : acl (address): 0xc6f769A0c46cFFa57d91E87ED3Bc0cd338Ce6361
Arg [1] : weth (address): 0xC02aaA39b223FE8D0A0e5C4F27eAD9083C756Cc2
-----Encoded View---------------
2 Constructor Arguments found :
Arg [0] : 000000000000000000000000c6f769a0c46cffa57d91e87ed3bc0cd338ce6361
Arg [1] : 000000000000000000000000c02aaa39b223fe8d0a0e5c4f27ead9083c756cc2
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Multichain Portfolio | 26 Chains
Chain | Token | Portfolio % | Price | Amount | Value |
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A contract address hosts a smart contract, which is a set of code stored on the blockchain that runs when predetermined conditions are met. Learn more about addresses in our Knowledge Base.