Description:
Proxy contract enabling upgradeable smart contract patterns. Delegates calls to an implementation contract.
Blockchain: Ethereum
Source Code: View Code On The Blockchain
Solidity Source Code:
{{
"language": "Solidity",
"sources": {
"lib/euler-swap/src/EulerSwapPeriphery.sol": {
"content": "// SPDX-License-Identifier: BUSL-1.1
pragma solidity ^0.8.27;
import {SafeERC20, IERC20} from "openzeppelin-contracts/token/ERC20/utils/SafeERC20.sol";
import {IEulerSwapPeriphery} from "./interfaces/IEulerSwapPeriphery.sol";
import {IEulerSwap} from "./interfaces/IEulerSwap.sol";
contract EulerSwapPeriphery is IEulerSwapPeriphery {
using SafeERC20 for IERC20;
error AmountOutLessThanMin();
error AmountInMoreThanMax();
error UnexpectedAmountOut();
error DeadlineExpired();
/// @inheritdoc IEulerSwapPeriphery
function swapExactIn(
address eulerSwap,
address tokenIn,
address tokenOut,
uint256 amountIn,
address receiver,
uint256 amountOutMin,
uint256 deadline
) external {
require(deadline == 0 || deadline >= block.timestamp, DeadlineExpired());
uint256 amountOut = IEulerSwap(eulerSwap).computeQuote(tokenIn, tokenOut, amountIn, true);
require(amountOut >= amountOutMin, AmountOutLessThanMin());
swap(IEulerSwap(eulerSwap), tokenIn, tokenOut, amountIn, amountOut, receiver);
}
/// @inheritdoc IEulerSwapPeriphery
function swapExactOut(
address eulerSwap,
address tokenIn,
address tokenOut,
uint256 amountOut,
address receiver,
uint256 amountInMax,
uint256 deadline
) external {
require(deadline == 0 || deadline >= block.timestamp, DeadlineExpired());
uint256 amountIn = IEulerSwap(eulerSwap).computeQuote(tokenIn, tokenOut, amountOut, false);
require(amountIn <= amountInMax, AmountInMoreThanMax());
swap(IEulerSwap(eulerSwap), tokenIn, tokenOut, amountIn, amountOut, receiver);
}
/// @inheritdoc IEulerSwapPeriphery
function quoteExactInput(address eulerSwap, address tokenIn, address tokenOut, uint256 amountIn)
external
view
returns (uint256)
{
return IEulerSwap(eulerSwap).computeQuote(tokenIn, tokenOut, amountIn, true);
}
/// @inheritdoc IEulerSwapPeriphery
function quoteExactOutput(address eulerSwap, address tokenIn, address tokenOut, uint256 amountOut)
external
view
returns (uint256)
{
return IEulerSwap(eulerSwap).computeQuote(tokenIn, tokenOut, amountOut, false);
}
/// @inheritdoc IEulerSwapPeriphery
function getLimits(address eulerSwap, address tokenIn, address tokenOut) external view returns (uint256, uint256) {
return IEulerSwap(eulerSwap).getLimits(tokenIn, tokenOut);
}
/// @dev Internal function to execute a token swap through EulerSwap
/// @param eulerSwap The EulerSwap contract address to execute the swap through
/// @param tokenIn The address of the input token being swapped
/// @param tokenOut The address of the output token being received
/// @param amountIn The amount of input tokens to swap
/// @param amountOut The amount of output tokens to receive
/// @param receiver The address that should receive the swap output
function swap(
IEulerSwap eulerSwap,
address tokenIn,
address tokenOut,
uint256 amountIn,
uint256 amountOut,
address receiver
) internal {
uint256 balanceBefore = IERC20(tokenOut).balanceOf(receiver);
IERC20(tokenIn).safeTransferFrom(msg.sender, address(eulerSwap), amountIn);
bool isAsset0In = tokenIn < tokenOut;
(isAsset0In) ? eulerSwap.swap(0, amountOut, receiver, "") : eulerSwap.swap(amountOut, 0, receiver, "");
require(IERC20(tokenOut).balanceOf(receiver) == balanceBefore + amountOut, UnexpectedAmountOut());
}
}
"
},
"lib/openzeppelin-contracts/contracts/token/ERC20/utils/SafeERC20.sol": {
"content": "// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.1.0) (token/ERC20/utils/SafeERC20.sol)
pragma solidity ^0.8.20;
import {IERC20} from "../IERC20.sol";
import {IERC1363} from "../../../interfaces/IERC1363.sol";
import {Address} from "../../../utils/Address.sol";
/**
* @title SafeERC20
* @dev Wrappers around ERC-20 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 {
/**
* @dev An operation with an ERC-20 token failed.
*/
error SafeERC20FailedOperation(address token);
/**
* @dev Indicates a failed `decreaseAllowance` request.
*/
error SafeERC20FailedDecreaseAllowance(address spender, uint256 currentAllowance, uint256 requestedDecrease);
/**
* @dev Transfer `value` amount of `token` from the calling contract to `to`. If `token` returns no value,
* non-reverting calls are assumed to be successful.
*/
function safeTransfer(IERC20 token, address to, uint256 value) internal {
_callOptionalReturn(token, abi.encodeCall(token.transfer, (to, value)));
}
/**
* @dev Transfer `value` amount of `token` from `from` to `to`, spending the approval given by `from` to the
* calling contract. If `token` returns no value, non-reverting calls are assumed to be successful.
*/
function safeTransferFrom(IERC20 token, address from, address to, uint256 value) internal {
_callOptionalReturn(token, abi.encodeCall(token.transferFrom, (from, to, value)));
}
/**
* @dev Increase the calling contract's allowance toward `spender` by `value`. If `token` returns no value,
* non-reverting calls are assumed to be successful.
*
* IMPORTANT: If the token implements ERC-7674 (ERC-20 with temporary allowance), and if the "client"
* smart contract uses ERC-7674 to set temporary allowances, then the "client" smart contract should avoid using
* this function. Performing a {safeIncreaseAllowance} or {safeDecreaseAllowance} operation on a token contract
* that has a non-zero temporary allowance (for that particular owner-spender) will result in unexpected behavior.
*/
function safeIncreaseAllowance(IERC20 token, address spender, uint256 value) internal {
uint256 oldAllowance = token.allowance(address(this), spender);
forceApprove(token, spender, oldAllowance + value);
}
/**
* @dev Decrease the calling contract's allowance toward `spender` by `requestedDecrease`. If `token` returns no
* value, non-reverting calls are assumed to be successful.
*
* IMPORTANT: If the token implements ERC-7674 (ERC-20 with temporary allowance), and if the "client"
* smart contract uses ERC-7674 to set temporary allowances, then the "client" smart contract should avoid using
* this function. Performing a {safeIncreaseAllowance} or {safeDecreaseAllowance} operation on a token contract
* that has a non-zero temporary allowance (for that particular owner-spender) will result in unexpected behavior.
*/
function safeDecreaseAllowance(IERC20 token, address spender, uint256 requestedDecrease) internal {
unchecked {
uint256 currentAllowance = token.allowance(address(this), spender);
if (currentAllowance < requestedDecrease) {
revert SafeERC20FailedDecreaseAllowance(spender, currentAllowance, requestedDecrease);
}
forceApprove(token, spender, currentAllowance - requestedDecrease);
}
}
/**
* @dev Set the calling contract's allowance toward `spender` to `value`. If `token` returns no value,
* non-reverting calls are assumed to be successful. Meant to be used with tokens that require the approval
* to be set to zero before setting it to a non-zero value, such as USDT.
*
* NOTE: If the token implements ERC-7674, this function will not modify any temporary allowance. This function
* only sets the "standard" allowance. Any temporary allowance will remain active, in addition to the value being
* set here.
*/
function forceApprove(IERC20 token, address spender, uint256 value) internal {
bytes memory approvalCall = abi.encodeCall(token.approve, (spender, value));
if (!_callOptionalReturnBool(token, approvalCall)) {
_callOptionalReturn(token, abi.encodeCall(token.approve, (spender, 0)));
_callOptionalReturn(token, approvalCall);
}
}
/**
* @dev Performs an {ERC1363} transferAndCall, with a fallback to the simple {ERC20} transfer if the target has no
* code. This can be used to implement an {ERC721}-like safe transfer that rely on {ERC1363} checks when
* targeting contracts.
*
* Reverts if the returned value is other than `true`.
*/
function transferAndCallRelaxed(IERC1363 token, address to, uint256 value, bytes memory data) internal {
if (to.code.length == 0) {
safeTransfer(token, to, value);
} else if (!token.transferAndCall(to, value, data)) {
revert SafeERC20FailedOperation(address(token));
}
}
/**
* @dev Performs an {ERC1363} transferFromAndCall, with a fallback to the simple {ERC20} transferFrom if the target
* has no code. This can be used to implement an {ERC721}-like safe transfer that rely on {ERC1363} checks when
* targeting contracts.
*
* Reverts if the returned value is other than `true`.
*/
function transferFromAndCallRelaxed(
IERC1363 token,
address from,
address to,
uint256 value,
bytes memory data
) internal {
if (to.code.length == 0) {
safeTransferFrom(token, from, to, value);
} else if (!token.transferFromAndCall(from, to, value, data)) {
revert SafeERC20FailedOperation(address(token));
}
}
/**
* @dev Performs an {ERC1363} approveAndCall, with a fallback to the simple {ERC20} approve if the target has no
* code. This can be used to implement an {ERC721}-like safe transfer that rely on {ERC1363} checks when
* targeting contracts.
*
* NOTE: When the recipient address (`to`) has no code (i.e. is an EOA), this function behaves as {forceApprove}.
* Opposedly, when the recipient address (`to`) has code, this function only attempts to call {ERC1363-approveAndCall}
* once without retrying, and relies on the returned value to be true.
*
* Reverts if the returned value is other than `true`.
*/
function approveAndCallRelaxed(IERC1363 token, address to, uint256 value, bytes memory data) internal {
if (to.code.length == 0) {
forceApprove(token, to, value);
} else if (!token.approveAndCall(to, value, data)) {
revert SafeERC20FailedOperation(address(token));
}
}
/**
* @dev Imitates a Solidity high-level call (i.e. a regular function call to a contract), relaxing the requirement
* on the return value: the return value is optional (but if data is returned, it must not be false).
* @param token The token targeted by the call.
* @param data The call data (encoded using abi.encode or one of its variants).
*
* This is a variant of {_callOptionalReturnBool} that reverts if call fails to meet the requirements.
*/
function _callOptionalReturn(IERC20 token, bytes memory data) private {
uint256 returnSize;
uint256 returnValue;
assembly ("memory-safe") {
let success := call(gas(), token, 0, add(data, 0x20), mload(data), 0, 0x20)
// bubble errors
if iszero(success) {
let ptr := mload(0x40)
returndatacopy(ptr, 0, returndatasize())
revert(ptr, returndatasize())
}
returnSize := returndatasize()
returnValue := mload(0)
}
if (returnSize == 0 ? address(token).code.length == 0 : returnValue != 1) {
revert SafeERC20FailedOperation(address(token));
}
}
/**
* @dev Imitates a Solidity high-level call (i.e. a regular function call to a contract), relaxing the requirement
* on the return value: the return value is optional (but if data is returned, it must not be false).
* @param token The token targeted by the call.
* @param data The call data (encoded using abi.encode or one of its variants).
*
* This is a variant of {_callOptionalReturn} that silently catches all reverts and returns a bool instead.
*/
function _callOptionalReturnBool(IERC20 token, bytes memory data) private returns (bool) {
bool success;
uint256 returnSize;
uint256 returnValue;
assembly ("memory-safe") {
success := call(gas(), token, 0, add(data, 0x20), mload(data), 0, 0x20)
returnSize := returndatasize()
returnValue := mload(0)
}
return success && (returnSize == 0 ? address(token).code.length > 0 : returnValue == 1);
}
}
"
},
"lib/euler-swap/src/interfaces/IEulerSwapPeriphery.sol": {
"content": "// SPDX-License-Identifier: MIT
pragma solidity >=0.8.0;
interface IEulerSwapPeriphery {
/// @notice Swap `amountIn` of `tokenIn` for `tokenOut`, with at least `amountOutMin` received.
/// Output tokens are sent to `receiver`. The swap will fail after `deadline` (unless `deadline` is 0).
/// IMPORTANT: `eulerSwap` must be a trusted contract, for example created by a trusted factory.
function swapExactIn(
address eulerSwap,
address tokenIn,
address tokenOut,
uint256 amountIn,
address receiver,
uint256 amountOutMin,
uint256 deadline
) external;
/// @notice Swap `amountOut` of `tokenOut` for `tokenIn`, with at most `amountInMax` paid.
/// Output tokens are sent to `receiver`. The swap will fail after `deadline` (unless `deadline` is 0).
/// IMPORTANT: `eulerSwap` must be a trusted contract, for example created by a trusted factory.
function swapExactOut(
address eulerSwap,
address tokenIn,
address tokenOut,
uint256 amountOut,
address receiver,
uint256 amountInMax,
uint256 deadline
) external;
/// @notice How much `tokenOut` can I get for `amountIn` of `tokenIn`?
function quoteExactInput(address eulerSwap, address tokenIn, address tokenOut, uint256 amountIn)
external
view
returns (uint256);
/// @notice How much `tokenIn` do I need to get `amountOut` of `tokenOut`?
function quoteExactOutput(address eulerSwap, address tokenIn, address tokenOut, uint256 amountOut)
external
view
returns (uint256);
/// @notice Upper-bounds on the amounts of each token that this pool can currently support swaps for.
/// @return limitIn Max amount of `tokenIn` that can be sold.
/// @return limitOut Max amount of `tokenOut` that can be bought.
function getLimits(address eulerSwap, address tokenIn, address tokenOut)
external
view
returns (uint256 limitIn, uint256 limitOut);
}
"
},
"lib/euler-swap/src/interfaces/IEulerSwap.sol": {
"content": "// SPDX-License-Identifier: MIT
pragma solidity >=0.8.0;
interface IEulerSwap {
/// @dev Constant pool parameters, loaded from trailing calldata.
struct StaticParams {
address supplyVault0;
address supplyVault1;
address borrowVault0;
address borrowVault1;
address eulerAccount;
address feeRecipient;
}
/// @dev Reconfigurable pool parameters, loaded from storage.
struct DynamicParams {
uint112 equilibriumReserve0;
uint112 equilibriumReserve1;
uint112 minReserve0;
uint112 minReserve1;
uint80 priceX;
uint80 priceY;
uint64 concentrationX;
uint64 concentrationY;
uint64 fee0;
uint64 fee1;
uint40 expiration;
uint8 swapHookedOperations;
address swapHook;
}
/// @dev Starting configuration of pool storage.
struct InitialState {
uint112 reserve0;
uint112 reserve1;
}
/// @notice Performs initial activation setup, such as approving vaults to access the
/// EulerSwap instance's tokens, enabling vaults as collateral, setting up Uniswap
/// hooks, etc. This should only be invoked by the factory.
function activate(DynamicParams calldata dynamicParams, InitialState calldata initialState) external;
/// @notice Installs or uninstalls a manager. Managers can reconfigure the dynamic EulerSwap parameters.
/// Only callable by the owner (eulerAccount).
/// @param manager Address to install/uninstall
/// @param installed Whether the manager should be installed or uninstalled
function setManager(address manager, bool installed) external;
/// @notice Addresses configured as managers. Managers can reconfigure the pool parameters.
/// @param manager Address to check
/// @return installed Whether the address is currently a manager of this pool
function managers(address manager) external view returns (bool installed);
/// @notice Reconfigured the pool's parameters. Only callable by the owner (eulerAccount)
/// or a manager.
function reconfigure(DynamicParams calldata dParams, InitialState calldata initialState) external;
/// @notice Retrieves the pool's static parameters.
function getStaticParams() external view returns (StaticParams memory);
/// @notice Retrieves the pool's dynamic parameters.
function getDynamicParams() external view returns (DynamicParams memory);
/// @notice Retrieves the underlying assets supported by this pool.
function getAssets() external view returns (address asset0, address asset1);
/// @notice Retrieves the current reserves from storage, along with the pool's lock status.
/// @return reserve0 The amount of asset0 in the pool
/// @return reserve1 The amount of asset1 in the pool
/// @return status The status of the pool (0 = unactivated, 1 = unlocked, 2 = locked)
function getReserves() external view returns (uint112 reserve0, uint112 reserve1, uint32 status);
/// @notice Whether or not this EulerSwap instance is installed as an operator of
/// the eulerAccount in the EVC.
function isInstalled() external view returns (bool installed);
/// @notice Generates a quote for how much a given size swap will cost.
/// @param tokenIn The input token that the swapper SENDS
/// @param tokenOut The output token that the swapper GETS
/// @param amount The quantity of input or output tokens, for exact input and exact output swaps respectively
/// @param exactIn True if this is an exact input swap, false if exact output
/// @return The quoted quantity of output or input tokens, for exact input and exact output swaps respectively
function computeQuote(address tokenIn, address tokenOut, uint256 amount, bool exactIn)
external
view
returns (uint256);
/// @notice Upper-bounds on the amounts of each token that this pool can currently support swaps for.
/// @return limitIn Max amount of `tokenIn` that can be sold.
/// @return limitOut Max amount of `tokenOut` that can be bought.
function getLimits(address tokenIn, address tokenOut) external view returns (uint256 limitIn, uint256 limitOut);
/// @notice Optimistically sends the requested amounts of tokens to the `to`
/// address, invokes `eulerSwapCall` callback on `to` (if `data` was provided),
/// and then verifies that a sufficient amount of tokens were transferred to
/// satisfy the swapping curve invariant.
function swap(uint256 amount0Out, uint256 amount1Out, address to, bytes calldata data) external;
}
"
},
"lib/openzeppelin-contracts/contracts/token/ERC20/IERC20.sol": {
"content": "// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.1.0) (token/ERC20/IERC20.sol)
pragma solidity ^0.8.20;
/**
* @dev Interface of the ERC-20 standard as defined in the ERC.
*/
interface IERC20 {
/**
* @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);
/**
* @dev Returns the value of tokens in existence.
*/
function totalSupply() external view returns (uint256);
/**
* @dev Returns the value of tokens owned by `account`.
*/
function balanceOf(address account) external view returns (uint256);
/**
* @dev Moves a `value` amount of tokens from the caller's account to `to`.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* Emits a {Transfer} event.
*/
function transfer(address to, uint256 value) 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 a `value` amount of tokens 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 value) external returns (bool);
/**
* @dev Moves a `value` amount of tokens from `from` to `to` using the
* allowance mechanism. `value` is then deducted from the caller's
* allowance.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* Emits a {Transfer} event.
*/
function transferFrom(address from, address to, uint256 value) external returns (bool);
}
"
},
"lib/openzeppelin-contracts/contracts/interfaces/IERC1363.sol": {
"content": "// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.1.0) (interfaces/IERC1363.sol)
pragma solidity ^0.8.20;
import {IERC20} from "./IERC20.sol";
import {IERC165} from "./IERC165.sol";
/**
* @title IERC1363
* @dev Interface of the ERC-1363 standard as defined in the https://eips.ethereum.org/EIPS/eip-1363[ERC-1363].
*
* Defines an extension interface for ERC-20 tokens that supports executing code on a recipient contract
* after `transfer` or `transferFrom`, or code on a spender contract after `approve`, in a single transaction.
*/
interface IERC1363 is IERC20, IERC165 {
/*
* Note: the ERC-165 identifier for this interface is 0xb0202a11.
* 0xb0202a11 ===
* bytes4(keccak256('transferAndCall(address,uint256)')) ^
* bytes4(keccak256('transferAndCall(address,uint256,bytes)')) ^
* bytes4(keccak256('transferFromAndCall(address,address,uint256)')) ^
* bytes4(keccak256('transferFromAndCall(address,address,uint256,bytes)')) ^
* bytes4(keccak256('approveAndCall(address,uint256)')) ^
* bytes4(keccak256('approveAndCall(address,uint256,bytes)'))
*/
/**
* @dev Moves a `value` amount of tokens from the caller's account to `to`
* and then calls {IERC1363Receiver-onTransferReceived} on `to`.
* @param to The address which you want to transfer to.
* @param value The amount of tokens to be transferred.
* @return A boolean value indicating whether the operation succeeded unless throwing.
*/
function transferAndCall(address to, uint256 value) external returns (bool);
/**
* @dev Moves a `value` amount of tokens from the caller's account to `to`
* and then calls {IERC1363Receiver-onTransferReceived} on `to`.
* @param to The address which you want to transfer to.
* @param value The amount of tokens to be transferred.
* @param data Additional data with no specified format, sent in call to `to`.
* @return A boolean value indicating whether the operation succeeded unless throwing.
*/
function transferAndCall(address to, uint256 value, bytes calldata data) external returns (bool);
/**
* @dev Moves a `value` amount of tokens from `from` to `to` using the allowance mechanism
* and then calls {IERC1363Receiver-onTransferReceived} on `to`.
* @param from The address which you want to send tokens from.
* @param to The address which you want to transfer to.
* @param value The amount of tokens to be transferred.
* @return A boolean value indicating whether the operation succeeded unless throwing.
*/
function transferFromAndCall(address from, address to, uint256 value) external returns (bool);
/**
* @dev Moves a `value` amount of tokens from `from` to `to` using the allowance mechanism
* and then calls {IERC1363Receiver-onTransferReceived} on `to`.
* @param from The address which you want to send tokens from.
* @param to The address which you want to transfer to.
* @param value The amount of tokens to be transferred.
* @param data Additional data with no specified format, sent in call to `to`.
* @return A boolean value indicating whether the operation succeeded unless throwing.
*/
function transferFromAndCall(address from, address to, uint256 value, bytes calldata data) external returns (bool);
/**
* @dev Sets a `value` amount of tokens as the allowance of `spender` over the
* caller's tokens and then calls {IERC1363Spender-onApprovalReceived} on `spender`.
* @param spender The address which will spend the funds.
* @param value The amount of tokens to be spent.
* @return A boolean value indicating whether the operation succeeded unless throwing.
*/
function approveAndCall(address spender, uint256 value) external returns (bool);
/**
* @dev Sets a `value` amount of tokens as the allowance of `spender` over the
* caller's tokens and then calls {IERC1363Spender-onApprovalReceived} on `spender`.
* @param spender The address which will spend the funds.
* @param value The amount of tokens to be spent.
* @param data Additional data with no specified format, sent in call to `spender`.
* @return A boolean value indicating whether the operation succeeded unless throwing.
*/
function approveAndCall(address spender, uint256 value, bytes calldata data) external returns (bool);
}
"
},
"lib/openzeppelin-contracts/contracts/utils/Address.sol": {
"content": "// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.1.0) (utils/Address.sol)
pragma solidity ^0.8.20;
import {Errors} from "./Errors.sol";
/**
* @dev Collection of functions related to the address type
*/
library Address {
/**
* @dev There's no code at `target` (it is not a contract).
*/
error AddressEmptyCode(address target);
/**
* @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://consensys.net/diligence/blog/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/v0.8.20/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].
*/
function sendValue(address payable recipient, uint256 amount) internal {
if (address(this).balance < amount) {
revert Errors.InsufficientBalance(address(this).balance, amount);
}
(bool success, ) = recipient.call{value: amount}("");
if (!success) {
revert Errors.FailedCall();
}
}
/**
* @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 or custom error, it is bubbled
* up by this function (like regular Solidity function calls). However, if
* the call reverted with no returned reason, this function reverts with a
* {Errors.FailedCall} error.
*
* Returns the raw returned data. To convert to the expected return value,
* use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].
*
* Requirements:
*
* - `target` must be a contract.
* - calling `target` with `data` must not revert.
*/
function functionCall(address target, bytes memory data) internal returns (bytes memory) {
return functionCallWithValue(target, data, 0);
}
/**
* @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`.
*/
function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) {
if (address(this).balance < value) {
revert Errors.InsufficientBalance(address(this).balance, value);
}
(bool success, bytes memory returndata) = target.call{value: value}(data);
return verifyCallResultFromTarget(target, success, returndata);
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
* but performing a static call.
*/
function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {
(bool success, bytes memory returndata) = target.staticcall(data);
return verifyCallResultFromTarget(target, success, returndata);
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
* but performing a delegate call.
*/
function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {
(bool success, bytes memory returndata) = target.delegatecall(data);
return verifyCallResultFromTarget(target, success, returndata);
}
/**
* @dev Tool to verify that a low level call to smart-contract was successful, and reverts if the target
* was not a contract or bubbling up the revert reason (falling back to {Errors.FailedCall}) in case
* of an unsuccessful call.
*/
function verifyCallResultFromTarget(
address target,
bool success,
bytes memory returndata
) internal view returns (bytes memory) {
if (!success) {
_revert(returndata);
} else {
// only check if target is a contract if the call was successful and the return data is empty
// otherwise we already know that it was a contract
if (returndata.length == 0 && target.code.length == 0) {
revert AddressEmptyCode(target);
}
return returndata;
}
}
/**
* @dev Tool to verify that a low level call was successful, and reverts if it wasn't, either by bubbling the
* revert reason or with a default {Errors.FailedCall} error.
*/
function verifyCallResult(bool success, bytes memory returndata) internal pure returns (bytes memory) {
if (!success) {
_revert(returndata);
} else {
return returndata;
}
}
/**
* @dev Reverts with returndata if present. Otherwise reverts with {Errors.FailedCall}.
*/
function _revert(bytes memory returndata) private pure {
// 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 ("memory-safe") {
let returndata_size := mload(returndata)
revert(add(32, returndata), returndata_size)
}
} else {
revert Errors.FailedCall();
}
}
}
"
},
"lib/openzeppelin-contracts/contracts/interfaces/IERC20.sol": {
"content": "// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (interfaces/IERC20.sol)
pragma solidity ^0.8.20;
import {IERC20} from "../token/ERC20/IERC20.sol";
"
},
"lib/openzeppelin-contracts/contracts/interfaces/IERC165.sol": {
"content": "// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (interfaces/IERC165.sol)
pragma solidity ^0.8.20;
import {IERC165} from "../utils/introspection/IERC165.sol";
"
},
"lib/openzeppelin-contracts/contracts/utils/Errors.sol": {
"content": "// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.1.0) (utils/Errors.sol)
pragma solidity ^0.8.20;
/**
* @dev Collection of common custom errors used in multiple contracts
*
* IMPORTANT: Backwards compatibility is not guaranteed in future versions of the library.
* It is recommended to avoid relying on the error API for critical functionality.
*
* _Available since v5.1._
*/
library Errors {
/**
* @dev The ETH balance of the account is not enough to perform the operation.
*/
error InsufficientBalance(uint256 balance, uint256 needed);
/**
* @dev A call to an address target failed. The target may have reverted.
*/
error FailedCall();
/**
* @dev The deployment failed.
*/
error FailedDeployment();
/**
* @dev A necessary precompile is missing.
*/
error MissingPrecompile(address);
}
"
},
"lib/openzeppelin-contracts/contracts/utils/introspection/IERC165.sol": {
"content": "// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.1.0) (utils/introspection/IERC165.sol)
pragma solidity ^0.8.20;
/**
* @dev Interface of the ERC-165 standard, as defined in the
* https://eips.ethereum.org/EIPS/eip-165[ERC].
*
* Implementers can declare support of contract interfaces, which can then be
* queried by others ({ERC165Checker}).
*
* For an implementation, see {ERC165}.
*/
interface IERC165 {
/**
* @dev Returns true if this contract implements the interface defined by
* `interfaceId`. See the corresponding
* https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[ERC section]
* to learn more about how these ids are created.
*
* This function call must use less than 30 000 gas.
*/
function supportsInterface(bytes4 interfaceId) external view returns (bool);
}
"
}
},
"settings": {
"remappings": [
"lib/euler-price-oracle:@openzeppelin/contracts/=lib/euler-price-oracle/lib/openzeppelin-contracts/contracts/",
"lib/euler-earn:@openzeppelin/=lib/euler-earn/lib/openzeppelin-contracts/",
"lib/euler-earn:@openzeppelin-upgradeable/=lib/euler-earn/lib/openzeppelin-contracts-upgradeable/contracts/",
"lib/euler-earn:ethereum-vault-connector/=lib/euler-earn/lib/ethereum-vault-connector/src/",
"lib/layerzero-devtools/packages/oft-evm/contracts:@openzeppelin/contracts-upgradeable/=lib/openzeppelin-contracts/contracts/",
"lib/layerzero-devtools/packages/oft-evm-upgradeable/contracts:@openzeppelin/contracts-upgradeable/=lib/openzeppelin-contracts-upgradeable/contracts/",
"lib/layerzero-devtools/packages/oapp-evm-upgradeable/contracts:@openzeppelin/contracts-upgradeable/=lib/openzeppelin-contracts-upgradeable/contracts/",
"@layerzerolabs/oft-evm/=lib/layerzero-devtools/packages/oft-evm/",
"@layerzerolabs/oapp-evm/=lib/layerzero-devtools/packages/oapp-evm/",
"@layerzerolabs/oapp-evm-upgradeable/=lib/layerzero-devtools/packages/oapp-evm-upgradeable/",
"@layerzerolabs/lz-evm-protocol-v2/=lib/layerzero-v2/packages/layerzero-v2/evm/protocol/",
"@layerzerolabs/lz-evm-messagelib-v2/=lib/layerzero-v2/packages/layerzero-v2/evm/messagelib/",
"@layerzerolabs/lz-evm-oapp-v2/=lib/layerzero-v2/packages/layerzero-v2/evm/oapp/",
"openzeppelin-contracts/=lib/openzeppelin-contracts/contracts/",
"openzeppelin-contracts-upgradeable/=lib/openzeppelin-contracts-upgradeable/contracts/",
"lib/fee-flow/src:solmate/=lib/fee-flow/lib/solmate/src/",
"lib/fee-flow/utils:solmate/=lib/fee-flow/lib/solmate/utils/",
"lib/fee-flow/tokens:solmate/=lib/fee-flow/lib/solmate/tokens/",
"lib/euler-swap:solmate/=lib/euler-swap/lib/v4-periphery/lib/v4-core/lib/solmate/src/",
"ethereum-vault-connector/=lib/ethereum-vault-connector/src/",
"evc/=lib/ethereum-vault-connector/src/",
"evk/=lib/euler-vault-kit/src/",
"evk-test/=lib/euler-vault-kit/test/",
"euler-price-oracle/=lib/euler-price-oracle/src/",
"euler-price-oracle-test/=lib/euler-price-oracle/test/",
"fee-flow/=lib/fee-flow/src/",
"reward-streams/=lib/reward-streams/src/",
"@openzeppelin/contracts/=lib/openzeppelin-contracts/contracts/",
"euler-earn/=lib/euler-earn/src/",
"layerzero/oft-evm/=lib/layerzero-devtools/packages/oft-evm/contracts/",
"layerzero/oft-evm-upgradeable/=lib/layerzero-devtools/packages/oft-evm-upgradeable/contracts/",
"solidity-bytes-utils/=lib/solidity-bytes-utils/",
"@ensdomains/=lib/euler-swap/lib/v4-periphery/lib/v4-core/node_modules/@ensdomains/",
"@openzeppelin/contracts-upgradeable/=lib/openzeppelin-contracts-upgradeable/contracts/",
"@pendle/core-v2/=lib/euler-price-oracle/lib/pendle-core-v2-public/contracts/",
"@pyth/=lib/euler-price-oracle/lib/pyth-sdk-solidity/",
"@redstone/evm-connector/=lib/euler-price-oracle/lib/redstone-oracles-monorepo/packages/evm-connector/contracts/",
"@solady/=lib/euler-price-oracle/lib/solady/src/",
"@uniswap/v3-core/=lib/euler-price-oracle/lib/v3-core/",
"@uniswap/v3-periphery/=lib/euler-price-oracle/lib/v3-periphery/",
"@uniswap/v4-core/=lib/euler-swap/lib/v4-periphery/lib/v4-core/",
"ds-test/=lib/ethereum-vault-connector/lib/forge-std/lib/ds-test/src/",
"erc4626-tests/=lib/openzeppelin-contracts-upgradeable/lib/erc4626-tests/",
"euler-swap/=lib/euler-swap/",
"euler-vault-kit/=lib/euler-vault-kit/",
"forge-gas-snapshot/=lib/euler-vault-kit/lib/permit2/lib/forge-gas-snapshot/src/",
"forge-std/=lib/forge-std/src/",
"halmos-cheatcodes/=lib/openzeppelin-contracts-upgradeable/lib/halmos-cheatcodes/src/",
"hardhat/=lib/euler-swap/lib/v4-periphery/lib/v4-core/node_modules/hardhat/",
"layerzero-devtools/=lib/layerzero-devtools/packages/toolbox-foundry/src/",
"layerzero-v2/=lib/layerzero-v2/",
"openzeppelin/=lib/ethereum-vault-connector/lib/openzeppelin-contracts/contracts/",
"pendle-core-v2-public/=lib/euler-price-oracle/lib/pendle-core-v2-public/contracts/",
"permit2/=lib/euler-vault-kit/lib/permit2/",
"pyth-sdk-solidity/=lib/euler-price-oracle/lib/pyth-sdk-solidity/",
"redstone-oracles-monorepo/=lib/euler-price-oracle/lib/",
"solady/=lib/euler-price-oracle/lib/solady/src/",
"solmate/=lib/fee-flow/lib/solmate/src/",
"v3-core/=lib/euler-price-oracle/lib/v3-core/contracts/",
"v3-periphery/=lib/euler-price-oracle/lib/v3-periphery/contracts/",
"v4-core/=lib/euler-swap/lib/v4-periphery/lib/v4-core/src/",
"v4-periphery/=lib/euler-swap/lib/v4-periphery/"
],
"optimizer": {
"enabled": true,
"runs": 2500
},
"metadata": {
"useLiteralContent": false,
"bytecodeHash": "ipfs",
"appendCBOR": true
},
"outputSelection": {
"*": {
"*": [
"evm.bytecode",
"evm.deployedBytecode",
"devdoc",
"userdoc",
"metadata",
"abi"
]
}
},
"evmVersion": "cancun",
"viaIR": false
}
}}
Submitted on: 2025-10-31 16:24:18
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