Description:
Multi-signature wallet contract requiring multiple confirmations for transaction execution.
Blockchain: Ethereum
Source Code: View Code On The Blockchain
Solidity Source Code:
{{
"language": "Solidity",
"sources": {
"@openzeppelin/contracts-upgradeable/interfaces/IERC20Upgradeable.sol": {
"content": "// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (interfaces/IERC20.sol)
pragma solidity ^0.8.0;
import "../token/ERC20/IERC20Upgradeable.sol";
"
},
"@openzeppelin/contracts-upgradeable/token/ERC20/extensions/draft-IERC20PermitUpgradeable.sol": {
"content": "// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts v4.4.1 (token/ERC20/extensions/draft-IERC20Permit.sol)
pragma solidity ^0.8.0;
/**
* @dev Interface of the ERC20 Permit extension allowing approvals to be made via signatures, as defined in
* https://eips.ethereum.org/EIPS/eip-2612[EIP-2612].
*
* Adds the {permit} method, which can be used to change an account's ERC20 allowance (see {IERC20-allowance}) by
* presenting a message signed by the account. By not relying on {IERC20-approve}, the token holder account doesn't
* need to send a transaction, and thus is not required to hold Ether at all.
*/
interface IERC20PermitUpgradeable {
/**
* @dev Sets `value` as the allowance of `spender` over ``owner``'s tokens,
* given ``owner``'s signed approval.
*
* IMPORTANT: The same issues {IERC20-approve} has related to transaction
* ordering also apply here.
*
* Emits an {Approval} event.
*
* Requirements:
*
* - `spender` cannot be the zero address.
* - `deadline` must be a timestamp in the future.
* - `v`, `r` and `s` must be a valid `secp256k1` signature from `owner`
* over the EIP712-formatted function arguments.
* - the signature must use ``owner``'s current nonce (see {nonces}).
*
* For more information on the signature format, see the
* https://eips.ethereum.org/EIPS/eip-2612#specification[relevant EIP
* section].
*/
function permit(
address owner,
address spender,
uint256 value,
uint256 deadline,
uint8 v,
bytes32 r,
bytes32 s
) external;
/**
* @dev Returns the current nonce for `owner`. This value must be
* included whenever a signature is generated for {permit}.
*
* Every successful call to {permit} increases ``owner``'s nonce by one. This
* prevents a signature from being used multiple times.
*/
function nonces(address owner) external view returns (uint256);
/**
* @dev Returns the domain separator used in the encoding of the signature for {permit}, as defined by {EIP712}.
*/
// solhint-disable-next-line func-name-mixedcase
function DOMAIN_SEPARATOR() external view returns (bytes32);
}
"
},
"@openzeppelin/contracts-upgradeable/token/ERC20/IERC20Upgradeable.sol": {
"content": "// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.6.0) (token/ERC20/IERC20.sol)
pragma solidity ^0.8.0;
/**
* @dev Interface of the ERC20 standard as defined in the EIP.
*/
interface IERC20Upgradeable {
/**
* @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 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 `to`.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* Emits a {Transfer} event.
*/
function transfer(address to, uint256 amount) external returns (bool);
/**
* @dev Returns the remaining number of tokens that `spender` will be
* allowed to spend on behalf of `owner` through {transferFrom}. This is
* zero by default.
*
* This value changes when {approve} or {transferFrom} are called.
*/
function allowance(address owner, address spender) external view returns (uint256);
/**
* @dev Sets `amount` as the allowance of `spender` over the caller's tokens.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* IMPORTANT: Beware that changing an allowance with this method brings the risk
* that someone may use both the old and the new allowance by unfortunate
* transaction ordering. One possible solution to mitigate this race
* condition is to first reduce the spender's allowance to 0 and set the
* desired value afterwards:
* https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
*
* Emits an {Approval} event.
*/
function approve(address spender, uint256 amount) external returns (bool);
/**
* @dev Moves `amount` tokens from `from` to `to` using the
* allowance mechanism. `amount` is then deducted from the caller's
* allowance.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* Emits a {Transfer} event.
*/
function transferFrom(
address from,
address to,
uint256 amount
) external returns (bool);
}
"
},
"@openzeppelin/contracts-upgradeable/token/ERC20/utils/SafeERC20Upgradeable.sol": {
"content": "// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.8.0) (token/ERC20/utils/SafeERC20.sol)
pragma solidity ^0.8.0;
import "../IERC20Upgradeable.sol";
import "../extensions/draft-IERC20PermitUpgradeable.sol";
import "../../../utils/AddressUpgradeable.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 SafeERC20Upgradeable {
using AddressUpgradeable for address;
function safeTransfer(
IERC20Upgradeable token,
address to,
uint256 value
) internal {
_callOptionalReturn(token, abi.encodeWithSelector(token.transfer.selector, to, value));
}
function safeTransferFrom(
IERC20Upgradeable token,
address from,
address to,
uint256 value
) internal {
_callOptionalReturn(token, abi.encodeWithSelector(token.transferFrom.selector, from, to, value));
}
/**
* @dev Deprecated. This function has issues similar to the ones found in
* {IERC20-approve}, and its usage is discouraged.
*
* Whenever possible, use {safeIncreaseAllowance} and
* {safeDecreaseAllowance} instead.
*/
function safeApprove(
IERC20Upgradeable token,
address spender,
uint256 value
) internal {
// safeApprove should only be called when setting an initial allowance,
// or when resetting it to zero. To increase and decrease it, use
// 'safeIncreaseAllowance' and 'safeDecreaseAllowance'
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 safeIncreaseAllowance(
IERC20Upgradeable token,
address spender,
uint256 value
) internal {
uint256 newAllowance = token.allowance(address(this), spender) + value;
_callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance));
}
function safeDecreaseAllowance(
IERC20Upgradeable token,
address spender,
uint256 value
) internal {
unchecked {
uint256 oldAllowance = token.allowance(address(this), spender);
require(oldAllowance >= value, "SafeERC20: decreased allowance below zero");
uint256 newAllowance = oldAllowance - value;
_callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance));
}
}
function safePermit(
IERC20PermitUpgradeable token,
address owner,
address spender,
uint256 value,
uint256 deadline,
uint8 v,
bytes32 r,
bytes32 s
) internal {
uint256 nonceBefore = token.nonces(owner);
token.permit(owner, spender, value, deadline, v, r, s);
uint256 nonceAfter = token.nonces(owner);
require(nonceAfter == nonceBefore + 1, "SafeERC20: permit did not succeed");
}
/**
* @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).
*/
function _callOptionalReturn(IERC20Upgradeable token, bytes memory data) private {
// We need to perform a low level call here, to bypass Solidity's return data size checking mechanism, since
// we're implementing it ourselves. We use {Address-functionCall} to perform this call, which verifies that
// the target address contains contract code and also asserts for success in the low-level call.
bytes memory returndata = address(token).functionCall(data, "SafeERC20: low-level call failed");
if (returndata.length > 0) {
// Return data is optional
require(abi.decode(returndata, (bool)), "SafeERC20: ERC20 operation did not succeed");
}
}
}
"
},
"@openzeppelin/contracts-upgradeable/utils/AddressUpgradeable.sol": {
"content": "// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.8.0) (utils/Address.sol)
pragma solidity ^0.8.1;
/**
* @dev Collection of functions related to the address type
*/
library AddressUpgradeable {
/**
* @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
* ====
*
* [IMPORTANT]
* ====
* You shouldn't rely on `isContract` to protect against flash loan attacks!
*
* Preventing calls from contracts is highly discouraged. It breaks composability, breaks support for smart wallets
* like Gnosis Safe, and does not provide security since it can be circumvented by calling from a contract
* constructor.
* ====
*/
function isContract(address account) internal view returns (bool) {
// This method relies on extcodesize/address.code.length, which returns 0
// for contracts in construction, since the code is only stored at the end
// of the constructor execution.
return account.code.length > 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} or the
* https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].
*/
function sendValue(address payable recipient, uint256 amount) internal {
require(address(this).balance >= amount, "Address: insufficient balance");
(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. 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.
*
* _Available since v3.1._
*/
function functionCall(address target, bytes memory data) internal returns (bytes memory) {
return functionCallWithValue(target, data, 0, "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");
(bool success, bytes memory returndata) = target.call{value: value}(data);
return verifyCallResultFromTarget(target, 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) {
(bool success, bytes memory returndata) = target.staticcall(data);
return verifyCallResultFromTarget(target, success, returndata, errorMessage);
}
/**
* @dev Tool to verify that a low level call to smart-contract was successful, and revert (either by bubbling
* the revert reason or using the provided one) in case of unsuccessful call or if target was not a contract.
*
* _Available since v4.8._
*/
function verifyCallResultFromTarget(
address target,
bool success,
bytes memory returndata,
string memory errorMessage
) internal view returns (bytes memory) {
if (success) {
if (returndata.length == 0) {
// only check isContract if the call was successful and the return data is empty
// otherwise we already know that it was a contract
require(isContract(target), "Address: call to non-contract");
}
return returndata;
} else {
_revert(returndata, errorMessage);
}
}
/**
* @dev Tool to verify that a low level call was successful, and revert if it wasn't, either by bubbling the
* revert reason or 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 {
_revert(returndata, errorMessage);
}
}
function _revert(bytes memory returndata, string memory errorMessage) 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
/// @solidity memory-safe-assembly
assembly {
let returndata_size := mload(returndata)
revert(add(32, returndata), returndata_size)
}
} else {
revert(errorMessage);
}
}
}
"
},
"contracts/infinite-proxy/interfaces/IProxy.sol": {
"content": "// SPDX-License-Identifier: MIT
pragma solidity 0.8.21;
interface IProxy {
function setAdmin(address newAdmin_) external;
function setDummyImplementation(address newDummyImplementation_) external;
function addImplementation(
address implementation_,
bytes4[] calldata sigs_
) external;
function removeImplementation(address implementation_) external;
function getAdmin() external view returns (address);
function getDummyImplementation() external view returns (address);
function getImplementationSigs(
address impl_
) external view returns (bytes4[] memory);
function getSigsImplementation(bytes4 sig_) external view returns (address);
function readFromStorage(
bytes32 slot_
) external view returns (uint256 result_);
}
"
},
"contracts/vault/common/interfaces/IDSA.sol": {
"content": "//SPDX-License-Identifier: MIT
pragma solidity 0.8.21;
interface IDSA {
function cast(
string[] calldata _targetNames,
bytes[] calldata _datas,
address _origin
) external payable returns (bytes32);
}
"
},
"contracts/vault/common/interfaces/IToken.sol": {
"content": "//SPDX-License-Identifier: MIT
pragma solidity 0.8.21;
interface IToken {
function approve(address, uint256) external;
function transfer(address, uint) external;
function transferFrom(address, address, uint) external;
function deposit() external payable;
function withdraw(uint) external;
function balanceOf(address) external view returns (uint);
function decimals() external view returns (uint);
function totalSupply() external view returns (uint);
function allowance(
address owner,
address spender
) external view returns (uint256);
}
"
},
"contracts/vault/common/interfaces/IVaultV3.sol": {
"content": "//SPDX-License-Identifier: MIT
pragma solidity 0.8.21;
interface IVaultV3 {
function readFromStorage(bytes32 slot_) external view returns (uint256 result_);
function getWithdrawFee(uint256 amount_) external view returns (uint256);
function getProtocolRatio(uint8 protocolId_) external view returns (uint256 ratio_);
function getNetAssets() external view returns (uint256 totalAssets_, uint256 totalDebt_, uint256 netAssets_, uint256 aggregatedRatio_);
function getTokenExchangeRate(address tokenAddress_) external view returns (uint256 exchangeRate_);
}
"
},
"contracts/vault/common/variables/constants.sol": {
"content": "// SPDX-License-Identifier: MIT
pragma solidity 0.8.21;
contract Constants {
address internal constant _TEAM_MULTISIG = 0x4F6F977aCDD1177DCD81aB83074855EcB9C2D49e;
address internal constant _INSTA_INDEX_ADDRESS = 0x2971AdFa57b20E5a416aE5a708A8655A9c74f723;
address internal constant _USDT_ADDRESS = 0xdAC17F958D2ee523a2206206994597C13D831ec7; // 6 decimals
}
"
},
"contracts/vault/common/variables/primaryHelpers.sol": {
"content": "// SPDX-License-Identifier: MIT
pragma solidity 0.8.21;
import {Constants} from "./constants.sol";
import {StorageVariables} from "./storageVariables.sol";
import {IProxy} from "../../../infinite-proxy/interfaces/IProxy.sol";
import {Structs} from "./structs.sol";
import {IVaultV3} from "../interfaces/IVaultV3.sol";
import {IToken} from "../interfaces/IToken.sol";
contract PrimaryHelpers is Constants, StorageVariables {
using Structs for Structs.AuthTypes;
/***********************************|
| ERRORS |
|__________________________________*/
error Helpers__UnsupportedProtocolId();
error Helpers__NotRebalancer();
error Helpers__NotPrimaryRebalancer();
error Helpers__Reentrant();
error Helpers__NotAuth();
error Helpers__InvalidAuthType();
error Helpers__NotEnoughSwapLimit();
function _auth(
Structs.AuthTypes authType_,
address account_
) internal view {
address admin_ = IProxy(address(this)).getAdmin();
if (authType_ == Structs.AuthTypes.Owner) {
if (admin_ != account_) {
revert Helpers__NotAuth();
}
} else if (authType_ == Structs.AuthTypes.SecondaryAuth) {
if (
secondaryAuth != account_ &&
admin_ != account_
) {
revert Helpers__NotAuth();
}
} else if (authType_ == Structs.AuthTypes.PrimaryRebalancer) {
if (!isPrimaryRebalancer[account_] && admin_ != account_) {
revert Helpers__NotAuth();
}
} else if (authType_ == Structs.AuthTypes.Rebalancer) {
if (
!isSecondaryRebalancer[account_] &&
!isPrimaryRebalancer[account_] &&
admin_ != account_
) {
revert Helpers__NotAuth();
}
} else {
revert Helpers__InvalidAuthType();
}
}
/***********************************|
| MODIFIERS |
|__________________________________*/
/// @notice reverts if msg.sender is not auth.
modifier onlyAuth() {
_auth(Structs.AuthTypes.Owner, msg.sender);
_;
}
/// @notice reverts if msg.sender is not secondaryAuth or auth
modifier onlySecondaryAuth() {
_auth(Structs.AuthTypes.SecondaryAuth, msg.sender);
_;
}
/// @notice reverts if msg.sender is not rebalancer or auth
modifier onlyRebalancer() {
_auth(Structs.AuthTypes.Rebalancer, msg.sender);
_;
}
/// @notice reverts if msg.sender is not primaryRebalancer or auth
modifier onlyPrimaryRebalancer() {
_auth(Structs.AuthTypes.PrimaryRebalancer, msg.sender);
_;
}
/**
* @dev reentrancy gaurd.
*/
modifier nonReentrant() {
if (_status == 2) revert Helpers__Reentrant();
_status = 2;
_;
_status = 1;
}
/// @notice Implements a method to read uint256 data from storage at a bytes32 storage slot key.
function readFromStorage(
bytes32 slot_
) public view returns (uint256 result_) {
assembly {
result_ := sload(slot_) // read value from the storage slot
}
}
function _getAmountInUsd(
address tokenAddress_,
uint256 amount_,
uint256 exchangeRate_
) internal view returns (uint256 amountInUsd_) {
uint256 tokenDecimals_ = IToken(tokenAddress_).decimals();
amountInUsd_ =
(amount_ * exchangeRate_) /
10 ** (2 * tokenDecimals_ - 6);
}
/// @notice Checks the available swap limit.
/// @return availableSwapLimit_ The available swap limit.
function checkAvailableSwapLimit()
public
view
returns (uint256 availableSwapLimit_)
{
uint256 timeElapsed_ = block.timestamp - lastSwapTimestamp;
availableSwapLimit_ = availableSwapLimit;
/// @dev If time has elapsed, calculate the refill.
if (timeElapsed_ > 0) {
uint256 refill_ = (timeElapsed_ * maxDailySwapLimit) /
(24 * 60 * 60);
availableSwapLimit_ += refill_;
availableSwapLimit_ = availableSwapLimit_ > maxDailySwapLimit
? maxDailySwapLimit
: availableSwapLimit_;
}
}
function _handleSwapLimitCheck(uint256 amount_) internal {
availableSwapLimit = checkAvailableSwapLimit();
if (availableSwapLimit < amount_) {
revert Helpers__NotEnoughSwapLimit();
}
availableSwapLimit -= amount_;
lastSwapTimestamp = block.timestamp;
}
}
"
},
"contracts/vault/common/variables/storageVariables.sol": {
"content": "// SPDX-License-Identifier: MIT
pragma solidity 0.8.21;
import {IDSA} from "../../common/interfaces/IDSA.sol";
import {Structs} from "../../common/variables/structs.sol";
contract StorageVariables {
using Structs for Structs.FluidVaultDetails;
/****************************************************************************|
| @notice Protocol IDs |
| // AAVE-V3 : 1 (SUSDe, USDe, USDC, USDT, GHO, USDS) |
| // FLUID-WSTUSR-USDC : 2 (wstUSR, USDC) |
| // FLUID-WSTUSR-USDT : 3 (wstUSR, USDT) |
| // FLUID-WSTUSR-GHO : 4 (wstUSR, GHO) |
| // FLUID-SUSDE-USDC : 5 (SUSDe, USDC) |
| // FLUID-SUSDE-USDT : 6 (SUSDe, USDT) |
| // FLUID-SUSDE-GHO : 7 (SUSDe, GHO) |
| // FLUID-syrupUSDC-USDC : 8 (syrupUSDC, USDC) |
| // FLUID-syrupUSDC-USDT : 9 (syrupUSDC, USDT) |
| // FLUID-syrupUSDC-GHO : 10 (syrupUSDC, GHO) |
|___________________________________________________________________________*/
/***********************************|
| STATE VARIABLES |
|__________________________________*/
// 1: open
// 2: closed
uint8 internal _status;
IDSA public vaultDSA;
/// @notice Secondary auth that only has the power to reduce max risk ratio.
address public secondaryAuth;
/// @notice Current exchange price.
uint256 public exchangePrice;
/// @notice Last timestamp the exchange price was updated
/// @dev This is used to calculate the rate of the vault
uint256 public lastExchangePriceUpdatedAt;
/// @notice Mapping to store allowed primary rebalancers
/// @dev Primary rebalancers are the ones that can perform swap related actions
/// Modifiable by auth
mapping(address => bool) public isPrimaryRebalancer;
/// @notice Mapping to store allowed secondary rebalancers
/// @dev Secondary rebalancers are the ones that can perform all rebalancer actions except swap related actions
/// Modifiable by auth
mapping(address => bool) public isSecondaryRebalancer;
// Mapping of protocol id => max risk ratio, scaled to use basis points. i.e. 1e4 = 100%, 1e2 = 1%
// 1: AAVE-V3
// 2: FLUID-WSTUSR-USDC
// 3: FLUID-WSTUSR-USDT
// 4: FLUID-WSTUSR-GHO
// 5: FLUID-SUSDE-USDC
// 6: FLUID-SUSDE-USDT
// 7: FLUID-SUSDE-GHO
mapping(uint8 => uint256) public maxRiskRatio;
// Max aggregated risk ratio of the vault that can be reached, scaled to use basis points. i.e. 1e4 = 100%, 1e2 = 1%
// i.e. 1e4 = 100%, 1e2 = 1%
uint256 public aggrMaxVaultRatio;
/// @notice withdraw fee is either amount in percentage or absolute minimum.
/// @dev This var defines the percentage in basis points. i.e. 1e4 = 100%, 1e2 = 1%
/// Modifiable by owner
uint256 public withdrawalFeePercentage;
/// @notice withdraw fee is either amount in percentage or absolute minimum. This var defines the absolute minimum
/// this number is given in decimals for the respective asset of the vault.
/// Modifiable by owner
uint256 public withdrawFeeAbsoluteMin; // in underlying base asset, i.e. USDT
// charge from the profits, scaled to use basis points. i.e. 1e4 = 100%, 1e2 = 1%
uint256 public revenueFeePercentage;
/// @notice Stores reserves for the vault (previously revenue)
/// @dev Reserves - also serve a purpose to cover unknown users losses
/// @dev Reserves can be negative if there is not enough revenue to cover the losses
int256 public reserves;
/// @notice Min APR for the vault. This is the minimum APR the vault must yield.
/// @dev Can be modified by the owner / secondary auth.
uint256 public minRate;
/// @notice Max APR for the vault. This is the maximum APR the vault can yield.
/// @dev Can be modified by the owner / secondary auth.
uint256 public maxRate;
/// @notice Revenue will be transffered to this address upon collection.
address public treasury;
///@notice Mapping to store fluid vault details
/// @dev Protocol ID => Fluid Vault Details (VaultAddress, NFTId)
/// 2: FLUID-WSTUSR-USDC
/// 3: FLUID-WSTUSR-USDT
/// 4: FLUID-WSTUSR-GHO
/// 5: FLUID-SUSDE-USDC
/// 6: FLUID-SUSDE-USDT
/// 7: FLUID-SUSDE-GHO
/// 8: FLUID-syrupUSDC-USDC
/// 9: FLUID-syrupUSDC-USDT
/// 10: FLUID-syrupUSDC-GHO
mapping(uint8 => Structs.FluidVaultDetails) public fluidVaultDetails;
/// @notice Daily swap limit of the vault.
/// @dev This is used to prevent abuse of the swap functionality.
/// @dev Team multisig can update this value.
uint256 public maxDailySwapLimit;
/// @notice Available swap limit of the vault.
/// @dev This is used to track the available swap limit of the vault.
uint256 public availableSwapLimit;
/// @notice Last timestamp the swap limit was recalculated.
uint256 public lastSwapTimestamp;
/// @notice Maximum loss in USD that can be incurred during a swap.
/// In Percentage, scaled to use the basis points. i.e. 1e4 = 100%, 1e2 = 1%
uint256 public maxSwapLossPercentage;
}
"
},
"contracts/vault/common/variables/structs.sol": {
"content": "// SPDX-License-Identifier: MIT
pragma solidity 0.8.21;
library Structs {
struct FluidVaultDetails {
address vaultAddress;
uint256 nftId;
}
enum AuthTypes {
Owner,
SecondaryAuth,
PrimaryRebalancer,
Rebalancer
}
}
"
},
"contracts/vault/common/variables/variablesBuffer.sol": {
"content": "// SPDX-License-Identifier: MIT
pragma solidity 0.8.21;
/// @title VariablesBuffer
/// @notice Allocates space of 151 slots to maintain storage
/// consistency with imported variables in VariablesPrimaryHelper.
contract VariablesBuffer {
uint[151] internal __buffergap;
}
"
},
"contracts/vault/common/variables/variablesBufferHelper.sol": {
"content": "// SPDX-License-Identifier: MIT
pragma solidity 0.8.21;
/// @title VariablesBufferHelper
/// @notice Buffer Helper for variables that imports all the primary
/// helpers from the storage slot 152.
import {VariablesBuffer} from "./variablesBuffer.sol";
import {PrimaryHelpers} from "./primaryHelpers.sol";
// Buffer & variables
contract VariablesBufferHelper is VariablesBuffer, PrimaryHelpers {}
"
},
"contracts/vault/modules/rebalancer-module/events.sol": {
"content": "//SPDX-License-Identifier: MIT
pragma solidity 0.8.21;
contract Events{
event LogVaultToProtocolDeposit(
uint8 indexed protocolId,
address indexed tokenAddress,
uint256 depositAmount
);
event LogFillVaultAvailability(
uint8 indexed protocolId,
address tokenAddress,
uint256 indexed withdrawAmount
);
event LogCollectRevenue(
uint256 amount,
address treasury
);
event LogUpdateExchangePrice(
uint256 oldExchangePrice,
uint256 newExchangePrice,
uint256 newGrossExchangePrice,
uint256 revenueFeePercentage,
uint256 floorExchangePrice,
uint256 ceilExchangePrice,
uint256 hurdleExchangePrice
);
event LogToggleAaveV3EMode(
uint256 emodeId
);
}"
},
"contracts/vault/modules/rebalancer-module/main.sol": {
"content": "//SPDX-License-Identifier: MIT
pragma solidity 0.8.21;
import {Events} from "./events.sol";
import {VariablesBufferHelper} from "../../common/variables/variablesBufferHelper.sol";
import {IVaultV3} from "../../common/interfaces/IVaultV3.sol";
import {IERC20Upgradeable} from "@openzeppelin/contracts-upgradeable/interfaces/IERC20Upgradeable.sol";
import {SafeERC20Upgradeable} from "@openzeppelin/contracts-upgradeable/token/ERC20/utils/SafeERC20Upgradeable.sol";
/// @title RebalancerModule
/// @dev Actions are executable by allowed rebalancers only
contract RebalancerModule is VariablesBufferHelper, Events {
using SafeERC20Upgradeable for IERC20Upgradeable;
/***********************************|
| ERRORS |
|__________________________________*/
error RebalancerModule__NotValidCollectRevenueAmount();
error RebalancerModule__CollectRevenueAmountIsHigh();
error RebalancerModule__NotEnoughReserves();
// @param protocolId_ - The protocol ID to which the position is being deposited.
// @param tokenAddress_ - The address of the token being deposited.
// @param depositAmount_ - The amount to be deposited into the protocol.
// @param swapConnectors_ - The swap connectors to use, pass empty array if not needed.
// @param swapCallDatas_ - The swap call datas to use, pass empty array if not needed.
// @dev This function is used to deposit a position into a protocol.
function vaultToProtocolDeposit(
uint8 protocolId_,
address depositTokenAddress_,
uint256 depositAmount_,
uint256 minBuyAmount_,
string[] memory swapConnectors_,
bytes[] memory swapCallDatas_
) public onlyPrimaryRebalancer nonReentrant {
uint256 depositTokenExchangeRate_ = IVaultV3(address(this))
.getTokenExchangeRate(depositTokenAddress_);
uint256 depositAmountInUsdt_ = _getAmountInUsd(
depositTokenAddress_,
depositAmount_,
depositTokenExchangeRate_
);
IERC20Upgradeable(_USDT_ADDRESS).approve(
address(vaultDSA),
depositAmountInUsdt_
);
uint256 spellCount_ = 3;
uint256 spellIndex_ = 0;
string[] memory targets_ = new string[](spellCount_);
bytes[] memory calldatas_ = new bytes[](spellCount_);
targets_[spellIndex_] = "BASIC-A";
calldatas_[spellIndex_] = abi.encodeWithSignature(
"deposit(address,uint256,uint256,uint256)",
_USDT_ADDRESS,
depositAmountInUsdt_,
0,
0
);
spellIndex_++;
_handleSwapLimitCheck(depositAmountInUsdt_);
targets_[spellIndex_] = "SWAP-AGGREGATOR-B";
calldatas_[spellIndex_] = abi.encodeWithSignature(
"swap(address,address,uint256,uint256,uin256,uint256,string[],bytes[])",
_USDT_ADDRESS,
depositTokenAddress_,
minBuyAmount_,
1e6, // Exchange rate of USDT is 1e6
depositTokenExchangeRate_,
maxSwapLossPercentage,
swapConnectors_,
swapCallDatas_
);
spellIndex_++;
if (protocolId_ == 1) {
targets_[spellIndex_] = "AAVE-V3-A";
calldatas_[spellIndex_] = abi.encodeWithSignature(
"deposit(address,uint256,uint256,uint256)",
depositTokenAddress_,
depositAmount_,
0,
0
);
} else if (
protocolId_ == 2 ||
protocolId_ == 3 ||
protocolId_ == 4 ||
protocolId_ == 5 ||
protocolId_ == 6 ||
protocolId_ == 7
) {
targets_[spellIndex_] = "FLUID-A";
calldatas_[spellIndex_] = abi.encodeWithSignature(
"operate(address,uint256,int256,int256,uint256)",
fluidVaultDetails[protocolId_].vaultAddress,
fluidVaultDetails[protocolId_].nftId,
depositAmount_,
0,
0
);
} else {
revert Helpers__UnsupportedProtocolId();
}
spellIndex_++;
vaultDSA.cast(targets_, calldatas_, address(this));
emit LogVaultToProtocolDeposit(
protocolId_,
depositTokenAddress_,
depositAmount_
);
}
// @dev This function is used to fill the vault's balance enabling seamless user withdrawals.
// @param protocolId_ - The protocol ID to which the position is being deposited.
// @param withdrawTokenAddress_ - The address of the token being withdrawn.
// @param withdrawAmount_ - The amount to be withdrawn from the protocol.
// @param swapConnectors_ - The addresses of the swap connectors to be used, pass empty array if not needed.
// @param swapCallDatas_ - The calldatas of the swap connectors to be used, pass empty array if not needed.
function fillVaultAvailability(
uint8 protocolId_,
address withdrawTokenAddress_,
uint256 withdrawAmount_,
uint256 minBuyAmount_,
string[] memory swapConnectors_,
bytes[] memory swapCallDatas_
) public onlyPrimaryRebalancer nonReentrant {
// Withdraw from the protocol
uint256 spellCount_ = (withdrawTokenAddress_ == _USDT_ADDRESS) ? 2 : 3;
uint256 spellIndex_ = 0;
string[] memory targets_ = new string[](spellCount_);
bytes[] memory calldatas_ = new bytes[](spellCount_);
if (protocolId_ == 1) {
targets_[spellIndex_] = "AAVE-V3-A";
calldatas_[spellIndex_] = abi.encodeWithSignature(
"withdraw(address,uint256,address,uint256,uint256)",
withdrawTokenAddress_,
withdrawAmount_,
address(this),
0,
0
);
} else if (
protocolId_ == 2 ||
protocolId_ == 3 ||
protocolId_ == 4 ||
protocolId_ == 5 ||
protocolId_ == 6 ||
protocolId_ == 7
) {
targets_[spellIndex_] = "FLUID-A";
calldatas_[spellIndex_] = abi.encodeWithSignature(
"operate(address,uint256,int256,int256,uint256)",
fluidVaultDetails[protocolId_].vaultAddress,
fluidVaultDetails[protocolId_].nftId,
withdrawAmount_,
0,
0
);
} else {
revert Helpers__UnsupportedProtocolId();
}
spellIndex_++;
// Swap to USDT to support USDT ERC4626 withdrawals
if (withdrawTokenAddress_ != _USDT_ADDRESS) {
uint256 withdrawTokenExchangeRate_ = IVaultV3(address(this))
.getTokenExchangeRate(withdrawTokenAddress_);
uint256 withdrawAmountInUsd_ = _getAmountInUsd(
withdrawTokenAddress_,
withdrawAmount_,
withdrawTokenExchangeRate_
);
_handleSwapLimitCheck(withdrawAmountInUsd_);
targets_[spellIndex_] = "SWAP-AGGREGATOR-B";
calldatas_[spellIndex_] = abi.encodeWithSignature(
"swap(address,address,uint256,uint256,uin256,uint256,string[],bytes[])",
withdrawTokenAddress_,
_USDT_ADDRESS,
minBuyAmount_,
withdrawTokenExchangeRate_,
1e6, // Exchange rate of USDT is 1e6
maxSwapLossPercentage,
swapConnectors_,
swapCallDatas_
);
spellIndex_++;
}
// Withdraw the amount to vault
targets_[spellIndex_] = "BASIC-A";
calldatas_[spellIndex_] = abi.encodeWithSignature(
"withdraw(address,uint256,address,uint256,uint256)",
_USDT_ADDRESS,
type(uint256).max,
address(this),
0,
0
);
spellIndex_++;
vaultDSA.cast(targets_, calldatas_, address(this));
emit LogFillVaultAvailability(
protocolId_,
withdrawTokenAddress_,
withdrawAmount_
);
}
/// @notice Open function to collect the revenue stored.
/// @param amount_ Amount of `USDC` revenue to collect.
/// Note The amount will be transferred to the `treasury` address stored.
function collectRevenue(
uint256 amount_
) public nonReentrant onlyRebalancer {
// If reserves are negative, it means collecting revenue is not possible.
if (reserves < 0) {
revert RebalancerModule__NotEnoughReserves();
}
// Collecting the entire revenue
// forge-lint: disable-next-line(unsafe-typecast)
if (amount_ == type(uint256).max) amount_ = uint256(reserves);
// If amount is 0, it means collecting revenue is not possible.
if (amount_ == 0)
revert RebalancerModule__NotValidCollectRevenueAmount();
// If amount is greater than reserves, it means collecting revenue is not possible.
// forge-lint: disable-next-line(unsafe-typecast)
if (amount_ > uint256(reserves))
revert RebalancerModule__CollectRevenueAmountIsHigh();
/// @dev Deducting the amount from revenue before transfering so that
/// if any reentrancy happens, amount is deducted first and then the
/// assets are transferred, which is a valid state.
// forge-lint: disable-next-line(unsafe-typecast)
reserves -= int256(amount_);
/// @dev transferring to `treasury` address stored.
IERC20Upgradeable(_USDT_ADDRESS).safeTransfer(treasury, amount_);
emit LogCollectRevenue(amount_, treasury);
}
/// @notice Sets the exchange price and revenue based on current net assets(excluding revenue)
/// @dev Revenue is only collected if there is a profit
function updateExchangePrice() public nonReentrant onlyRebalancer {
uint256 iTokenSupply_ = readFromStorage(
0x0000000000000000000000000000000000000000000000000000000000000035
);
// If iToken supply doesn't exist yet, the exchange rate will be 1e6 or last updated exchangePrice.
if (iTokenSupply_ == 0) {
return;
}
// Last exchange price based on old net assets before the update.
uint256 oldExchangePrice_ = exchangePrice;
// Calculating the new exchangePrice based on currentNetAssets(excluding reserves)
(, , uint256 currentNetAssets_, ) = IVaultV3(address(this))
.getNetAssets();
uint256 newExchangePrice_ = (currentNetAssets_ * 1e6) / iTokenSupply_;
// Calculate the floor and ceil exchangePrices for providing minRate and maxRate
uint256 floorExchangePrice_ = (oldExchangePrice_ *
(1e4 +
(minRate * (block.timestamp - lastExchangePriceUpdatedAt)) /
(31_536_000 * 1e4))) / 1e4;
uint256 ceilExchangePrice_ = (oldExchangePrice_ *
(1e4 +
(maxRate * (block.timestamp - lastExchangePriceUpdatedAt)) /
(31_536_000 * 1e4))) / 1e4;
// If newExchangePrice is less than floorExchangePrice, set it to floorExchangePrice
if (newExchangePrice_ < floorExchangePrice_) {
// Calculate the difference in assets to be added from reserves
uint256 reservesDelta_ = ((floorExchangePrice_ -
newExchangePrice_) * iTokenSupply_) / 1e6;
// forge-lint: disable-next-line(unsafe-typecast)
reserves -= int256(reservesDelta_);
// Update the exchangePrice
newExchangePrice_ = floorExchangePrice_;
}
// If newExchangePrice is greater than ceilExchangePrice, set it to ceilExchangePrice
if (newExchangePrice_ > ceilExchangePrice_) {
// Calculate the difference in assets to be added to reserves
uint256 reservesDelta_ = ((newExchangePrice_ - ceilExchangePrice_) *
iTokenSupply_) / 1e6;
// forge-lint: disable-next-line(unsafe-typecast)
reserves += int256(reservesDelta_);
// Update the exchangePrice
newExchangePrice_ = ceilExchangePrice_;
}
// If newExchangePrice_ is between floorExchangePrice_ and ceilExchangePrice_, collect revenue
// Hurdle exchange price refers to the exchange price at which after collecting revenue,
// the new exchange price is at least floorExchangePrice_
uint256 hurdleExchangePrice_ = oldExchangePrice_ +
((floorExchangePrice_ - oldExchangePrice_) * 1e4) /
((1e4 - revenueFeePercentage));
uint256 revenueFeePercentage_;
// If newExchangePrice_ is greater than hurdleExchangePrice_, then collect fixed revenue
if (
(newExchangePrice_ > hurdleExchangePrice_) &&
(newExchangePrice_ < ceilExchangePrice_)
) {
revenueFeePercentage_ = revenueFeePercentage;
} else if (
(newExchangePrice_ < hurdleExchangePrice_) &&
(newExchangePrice_ > floorExchangePrice_)
) {
revenueFeePercentage_ =
((newExchangePrice_ - floorExchangePrice_) * 1e4) /
(newExchangePrice_ - oldExchangePrice_);
} else if (newExchangePrice_ >= ceilExchangePrice_) {
revenueFeePercentage_ = revenueFeePercentage;
} else {
revenueFeePercentage_ = 0;
}
uint256 revenue_ = ((newExchangePrice_ - oldExchangePrice_) *
iTokenSupply_ *
revenueFeePercentage_) / (1e4 * 1e6);
// forge-lint: disable-next-line(unsafe-typecast)
reserves += int256(revenue_);
exchangePrice =
((((newExchangePrice_ * iTokenSupply_) / 1e6) - revenue_) * 1e6) /
iTokenSupply_;
lastExchangePriceUpdatedAt = block.timestamp;
emit LogUpdateExchangePrice(
oldExchangePrice_,
exchangePrice,
newExchangePrice_,
revenueFeePercentage_,
floorExchangePrice_,
ceilExchangePrice_,
hurdleExchangePrice_
);
}
/// @notice Toggles the Aave V3 e-mode for the vault
/// @param emodeId_ The e-mode ID to set
function toggleAaveV3EMode(
uint256 emodeId_
) public nonReentrant onlyRebalancer {
string[] memory targets_ = new string[](1);
bytes[] memory calldatas_ = new bytes[](1);
targets_[0] = "AAVE-V3-A";
calldatas_[0] = abi.encodeWithSignature(
"setUserEMode(uint256)",
emodeId_
);
vaultDSA.cast(targets_, calldatas_, address(this));
emit LogToggleAaveV3EMode(emodeId_);
}
}
"
}
},
"settings": {
"optimizer": {
"enabled": true,
"runs": 200
},
"evmVersion": "paris",
"outputSelection": {
"*": {
"*": [
"evm.bytecode",
"evm.deployedBytecode",
"devdoc",
"userdoc",
"metadata",
"abi"
]
}
},
"metadata": {
"useLiteralContent": true
}
}
}}
Submitted on: 2025-10-30 14:08:23
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