Source Code
Overview
ETH Balance
0 ETH
Eth Value
$0.00Latest 25 from a total of 6,154 transactions
| Transaction Hash |
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|---|---|---|---|---|---|---|---|---|---|
| Borrow | 24547252 | 16 hrs ago | IN | 0.00082554 ETH | 0.00002026 | ||||
| Accept Invite Ad... | 24547239 | 17 hrs ago | IN | 0.00000132 ETH | 0.00000914 | ||||
| Withdraw | 24541519 | 36 hrs ago | IN | 0.00002597 ETH | 0.00002745 | ||||
| Withdraw | 24535326 | 2 days ago | IN | 0.00001959 ETH | 0.00017402 | ||||
| Borrow | 24535021 | 2 days ago | IN | 0.00116945 ETH | 0.00014157 | ||||
| Borrow | 24535015 | 2 days ago | IN | 0.00142598 ETH | 0.00024973 | ||||
| Withdraw | 24534897 | 2 days ago | IN | 0.00002035 ETH | 0.00011183 | ||||
| Withdraw | 24534110 | 2 days ago | IN | 0.00043219 ETH | 0.00048762 | ||||
| Accept Invite Ad... | 24533758 | 2 days ago | IN | 0.00000132 ETH | 0.00043486 | ||||
| Accept Invite Ad... | 24529390 | 3 days ago | IN | 0.00000132 ETH | 0.00000889 | ||||
| Withdraw | 24529270 | 3 days ago | IN | 0.00002221 ETH | 0.0000123 | ||||
| Withdraw | 24529259 | 3 days ago | IN | 0.00002631 ETH | 0.00000927 | ||||
| Accept Invite Ad... | 24529124 | 3 days ago | IN | 0.00000132 ETH | 0.00001329 | ||||
| Borrow | 24526774 | 3 days ago | IN | 0.00002615 ETH | 0.00002018 | ||||
| Borrow | 24526717 | 3 days ago | IN | 0.00096281 ETH | 0.00001927 | ||||
| Withdraw | 24525961 | 3 days ago | IN | 0.00002082 ETH | 0.00001405 | ||||
| Borrow | 24525955 | 3 days ago | IN | 0.00033491 ETH | 0.00047064 | ||||
| Accept Invite Ad... | 24524828 | 3 days ago | IN | 0.00000132 ETH | 0.00020053 | ||||
| Withdraw | 24521955 | 4 days ago | IN | 0.00002063 ETH | 0.00002135 | ||||
| Create Account | 24520640 | 4 days ago | IN | 0.00000132 ETH | 0.00044832 | ||||
| Create Account | 24520628 | 4 days ago | IN | 0.0000015 ETH | 0.0004473 | ||||
| Invite Address | 24519038 | 4 days ago | IN | 0.00000139 ETH | 0.00002151 | ||||
| Invite Address | 24518812 | 4 days ago | IN | 0.00000126 ETH | 0.00002263 | ||||
| Withdraw | 24518477 | 4 days ago | IN | 0.0000205 ETH | 0.00001084 | ||||
| Withdraw | 24517897 | 4 days ago | IN | 0.00001974 ETH | 0.00000734 |
Latest 25 internal transactions (View All)
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| Parent Transaction Hash | Method | Block |
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|---|---|---|---|---|---|---|---|
| Send Message | 24547252 | 16 hrs ago | 0.00082554 ETH | ||||
| Send Message | 24547239 | 17 hrs ago | 0.00000132 ETH | ||||
| Send Message | 24541519 | 36 hrs ago | 0.00002597 ETH | ||||
| Send Message | 24535326 | 2 days ago | 0.00001959 ETH | ||||
| Send Message | 24535021 | 2 days ago | 0.00116945 ETH | ||||
| Send Message | 24535015 | 2 days ago | 0.00142598 ETH | ||||
| Send Message | 24534897 | 2 days ago | 0.00002035 ETH | ||||
| Send Message | 24534110 | 2 days ago | 0.00043219 ETH | ||||
| Send Message | 24533758 | 2 days ago | 0.00000132 ETH | ||||
| Send Message | 24529390 | 3 days ago | 0.00000132 ETH | ||||
| Send Message | 24529270 | 3 days ago | 0.00002221 ETH | ||||
| Send Message | 24529259 | 3 days ago | 0.00002631 ETH | ||||
| Send Message | 24529124 | 3 days ago | 0.00000132 ETH | ||||
| Send Message | 24526774 | 3 days ago | 0.00002615 ETH | ||||
| Send Message | 24526717 | 3 days ago | 0.00096281 ETH | ||||
| Send Message | 24525961 | 3 days ago | 0.00002082 ETH | ||||
| Send Message | 24525955 | 3 days ago | 0.00033491 ETH | ||||
| Send Message | 24524828 | 3 days ago | 0.00000132 ETH | ||||
| Send Message | 24521955 | 4 days ago | 0.00002063 ETH | ||||
| Send Message | 24520640 | 4 days ago | 0.00000132 ETH | ||||
| Send Message | 24520628 | 4 days ago | 0.0000015 ETH | ||||
| Send Message | 24519038 | 4 days ago | 0.00000139 ETH | ||||
| Send Message | 24518812 | 4 days ago | 0.00000126 ETH | ||||
| Send Message | 24518477 | 4 days ago | 0.0000205 ETH | ||||
| Send Message | 24517897 | 4 days ago | 0.00001974 ETH |
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Cross-Chain Transactions
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Contract Name:
SpokeCommon
Compiler Version
v0.8.23+commit.f704f362
Optimization Enabled:
Yes with 200 runs
Other Settings:
paris EvmVersion
Contract Source Code (Solidity Standard Json-Input format)
// SPDX-License-Identifier: BUSL-1.1
pragma solidity 0.8.23;
import "@openzeppelin/contracts/utils/ReentrancyGuard.sol";
import "../bridge/BridgeMessenger.sol";
import "../bridge/interfaces/IBridgeRouter.sol";
import "../bridge/libraries/Messages.sol";
import "./interfaces/IAddressOracle.sol";
import "./SpokeState.sol";
contract SpokeCommon is BridgeMessenger, SpokeState {
constructor(
address admin,
IBridgeRouter bridgeRouter,
uint16 hubChainId,
bytes32 hubContractAddress,
IAddressOracle addressOracle
) BridgeMessenger(bridgeRouter) SpokeState(admin, hubChainId, hubContractAddress, addressOracle) {}
/**
* @notice Create account
* @param params The parameters for sending message to hub chain
* @param accountId account id to create
* @param nonce The nonce used to generate the account id
* @param refAccountId The account id referrer (use zero bytes if no referrer)
*/
function createAccount(
Messages.MessageParams memory params,
bytes32 accountId,
bytes4 nonce,
bytes32 refAccountId
) external payable nonReentrant {
_doOperation(params, Messages.Action.CreateAccount, accountId, abi.encodePacked(nonce, refAccountId));
}
/**
* @notice Invite an address of the specified chain to account
* @param params The parameters for sending message to hub chain
* @param accountId The account id to invite the address to
* @param chainId The chain id of the address to be invited
* @param addr The address to invite
* @param refAccountId The account id referrer (use zero bytes if no referrer)
*/
function inviteAddress(
Messages.MessageParams memory params,
bytes32 accountId,
uint16 chainId,
bytes32 addr,
bytes32 refAccountId
) external payable nonReentrant {
_doOperation(params, Messages.Action.InviteAddress, accountId, abi.encodePacked(chainId, addr, refAccountId));
}
/**
* @notice Accept invite to account (must be sent from chain-address pair accepting the invite)
* @param params The parameters for sending message to hub chain
* @param accountId The account id invited to
*/
function acceptInviteAddress(
Messages.MessageParams memory params,
bytes32 accountId
) external payable nonReentrant {
_doOperation(params, Messages.Action.AcceptInviteAddress, accountId, "");
}
/**
* @notice Remove (or uninvite) an address of the specified chain from account
* @param params The parameters for sending message to hub chain
* @param accountId The account id to unregister the address from
* @param chainId The chain id of the address to unregister
*/
function unregisterAddress(
Messages.MessageParams memory params,
bytes32 accountId,
uint16 chainId
) external payable nonReentrant {
_doOperation(params, Messages.Action.UnregisterAddress, accountId, abi.encodePacked(chainId));
}
/**
* @notice Delegate to address on hub chain to perform operations on account
* @param params The parameters for sending message to hub chain
* @param accountId The account id to add the delegate to
* @param addr The delegate address
*/
function addDelegate(
Messages.MessageParams memory params,
bytes32 accountId,
bytes32 addr
) external payable nonReentrant {
_doOperation(params, Messages.Action.AddDelegate, accountId, abi.encodePacked(addr));
}
/**
* @notice Remove delegate to address on hub chain to perform operations on account
* @param params The parameters for sending message to hub chain
* @param accountId The account id to remove the delegate from
* @param addr The delegate address
*/
function removeDelegate(
Messages.MessageParams memory params,
bytes32 accountId,
bytes32 addr
) external payable nonReentrant {
_doOperation(params, Messages.Action.RemoveDelegate, accountId, abi.encodePacked(addr));
}
/**
* @notice Create loan (alternative is to use "create loan and deposit" method)
* @param params The parameters for sending message to hub chain
* @param accountId The account id to create the loan in
* @param nonce The nonce used to generate the loan id
* @param loanTypeId The load type to create
* @param loanName The loan name to help identify the loan to user
*/
function createLoan(
Messages.MessageParams memory params,
bytes32 accountId,
bytes4 nonce,
uint16 loanTypeId,
bytes32 loanName
) external payable nonReentrant {
_doOperation(params, Messages.Action.CreateLoan, accountId, abi.encodePacked(nonce, loanTypeId, loanName));
}
/**
* @notice Delete loan
* @param params The parameters for sending message to hub chain
* @param accountId The account id of the loan to delete
* @param loanId The load id to delete
*/
function deleteLoan(
Messages.MessageParams memory params,
bytes32 accountId,
bytes32 loanId
) external payable nonReentrant {
_doOperation(params, Messages.Action.DeleteLoan, accountId, abi.encodePacked(loanId));
}
/**
* @notice Withdraw token to registered address of specified chain
* @param params The parameters for sending message to hub chain
* @param accountId The account id of the loan
* @param loanId The loan id to withdraw from
* @param poolId The pool id for the token to withdraw
* @param chainId The chain id to receive the funds on (must be compatible with token)
* @param amount The amount to withdraw
* @param isFAmount Whether the amount is denominated in the f token or underlying token
*/
function withdraw(
Messages.MessageParams memory params,
bytes32 accountId,
bytes32 loanId,
uint8 poolId,
uint16 chainId,
uint256 amount,
bool isFAmount
) external payable nonReentrant {
_doOperation(
params,
Messages.Action.Withdraw,
accountId,
abi.encodePacked(loanId, poolId, chainId, amount, isFAmount)
);
}
/**
* @notice Borrow token to registered address of specified chain
* @param params The parameters for sending message to hub chain
* @param accountId The account id of the loan
* @param loanId The loan id to borrow using
* @param poolId The pool id for the token to borrow
* @param chainId The chain id to receive the funds on (must be compatible with token)
* @param amount The amount to borrow
* @param maxStableRate The max stable rate - if zero then is interpreted as variable borrow
*/
function borrow(
Messages.MessageParams memory params,
bytes32 accountId,
bytes32 loanId,
uint8 poolId,
uint16 chainId,
uint256 amount,
uint256 maxStableRate
) external payable nonReentrant {
_doOperation(
params,
Messages.Action.Borrow,
accountId,
abi.encodePacked(loanId, poolId, chainId, amount, maxStableRate)
);
}
/**
* @notice Repay borrow in specified loan using existing collateral
* @param params The parameters for sending message to hub chain
* @param accountId The account id of the loan
* @param loanId The loan id to repay in
* @param poolId The pool id for the token to repay
* @param amount The amount to repay
*/
function repayWithCollateral(
Messages.MessageParams memory params,
bytes32 accountId,
bytes32 loanId,
uint8 poolId,
uint256 amount
) external payable nonReentrant {
_doOperation(params, Messages.Action.RepayWithCollateral, accountId, abi.encodePacked(loanId, poolId, amount));
}
/**
* @notice Switch borrow type of specified borrow
* @param params The parameters for sending message to hub chain
* @param accountId The account id of the loan
* @param loanId The loan id the borrow is on
* @param poolId The pool id the borrow is on
* @param maxStableRate The max stable rate - if zero then interpreted as switching a stable to variable borrow
*/
function switchBorrowType(
Messages.MessageParams memory params,
bytes32 accountId,
bytes32 loanId,
uint8 poolId,
uint256 maxStableRate
) external payable nonReentrant {
_doOperation(
params,
Messages.Action.SwitchBorrowType,
accountId,
abi.encodePacked(loanId, poolId, maxStableRate)
);
}
function _doOperation(
Messages.MessageParams memory params,
Messages.Action action,
bytes32 accountId,
bytes memory data
) internal {
// check sender is eligible to do given action
if (!_addressOracle.isEligible(msg.sender, uint16(action)))
revert IAddressOracle.AddressIneligible(msg.sender, uint16(action));
// construct message
Messages.MessageToSend memory message = Messages.MessageToSend({
params: params,
sender: Messages.convertEVMAddressToGenericAddress(address(this)),
destinationChainId: _hub.chainId,
handler: _hub.contractAddress,
payload: Messages.encodeMessagePayload(
Messages.MessagePayload({
action: action,
accountId: accountId,
userAddress: Messages.convertEVMAddressToGenericAddress(msg.sender),
data: data
})
),
finalityLevel: 0, // immediate
extraArgs: ""
});
// send message
_sendMessage(message, msg.value);
}
function _receiveMessage(Messages.MessageReceived memory message) internal pure override {
revert CannotReceiveMessage(message.messageId);
}
function _retryMessage(Messages.MessageReceived memory message, address, bytes memory) internal pure override {
revert CannotRetryMessage(message.messageId);
}
function _reverseMessage(Messages.MessageReceived memory message, address, bytes memory) internal pure override {
revert CannotReverseMessage(message.messageId);
}
}// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (access/AccessControl.sol)
pragma solidity ^0.8.20;
import {IAccessControl} from "./IAccessControl.sol";
import {Context} from "../utils/Context.sol";
import {ERC165} from "../utils/introspection/ERC165.sol";
/**
* @dev Contract module that allows children to implement role-based access
* control mechanisms. This is a lightweight version that doesn't allow enumerating role
* members except through off-chain means by accessing the contract event logs. Some
* applications may benefit from on-chain enumerability, for those cases see
* {AccessControlEnumerable}.
*
* Roles are referred to by their `bytes32` identifier. These should be exposed
* in the external API and be unique. The best way to achieve this is by
* using `public constant` hash digests:
*
* ```solidity
* bytes32 public constant MY_ROLE = keccak256("MY_ROLE");
* ```
*
* Roles can be used to represent a set of permissions. To restrict access to a
* function call, use {hasRole}:
*
* ```solidity
* function foo() public {
* require(hasRole(MY_ROLE, msg.sender));
* ...
* }
* ```
*
* Roles can be granted and revoked dynamically via the {grantRole} and
* {revokeRole} functions. Each role has an associated admin role, and only
* accounts that have a role's admin role can call {grantRole} and {revokeRole}.
*
* By default, the admin role for all roles is `DEFAULT_ADMIN_ROLE`, which means
* that only accounts with this role will be able to grant or revoke other
* roles. More complex role relationships can be created by using
* {_setRoleAdmin}.
*
* WARNING: The `DEFAULT_ADMIN_ROLE` is also its own admin: it has permission to
* grant and revoke this role. Extra precautions should be taken to secure
* accounts that have been granted it. We recommend using {AccessControlDefaultAdminRules}
* to enforce additional security measures for this role.
*/
abstract contract AccessControl is Context, IAccessControl, ERC165 {
struct RoleData {
mapping(address account => bool) hasRole;
bytes32 adminRole;
}
mapping(bytes32 role => RoleData) private _roles;
bytes32 public constant DEFAULT_ADMIN_ROLE = 0x00;
/**
* @dev Modifier that checks that an account has a specific role. Reverts
* with an {AccessControlUnauthorizedAccount} error including the required role.
*/
modifier onlyRole(bytes32 role) {
_checkRole(role);
_;
}
/**
* @dev See {IERC165-supportsInterface}.
*/
function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
return interfaceId == type(IAccessControl).interfaceId || super.supportsInterface(interfaceId);
}
/**
* @dev Returns `true` if `account` has been granted `role`.
*/
function hasRole(bytes32 role, address account) public view virtual returns (bool) {
return _roles[role].hasRole[account];
}
/**
* @dev Reverts with an {AccessControlUnauthorizedAccount} error if `_msgSender()`
* is missing `role`. Overriding this function changes the behavior of the {onlyRole} modifier.
*/
function _checkRole(bytes32 role) internal view virtual {
_checkRole(role, _msgSender());
}
/**
* @dev Reverts with an {AccessControlUnauthorizedAccount} error if `account`
* is missing `role`.
*/
function _checkRole(bytes32 role, address account) internal view virtual {
if (!hasRole(role, account)) {
revert AccessControlUnauthorizedAccount(account, role);
}
}
/**
* @dev Returns the admin role that controls `role`. See {grantRole} and
* {revokeRole}.
*
* To change a role's admin, use {_setRoleAdmin}.
*/
function getRoleAdmin(bytes32 role) public view virtual returns (bytes32) {
return _roles[role].adminRole;
}
/**
* @dev Grants `role` to `account`.
*
* If `account` had not been already granted `role`, emits a {RoleGranted}
* event.
*
* Requirements:
*
* - the caller must have ``role``'s admin role.
*
* May emit a {RoleGranted} event.
*/
function grantRole(bytes32 role, address account) public virtual onlyRole(getRoleAdmin(role)) {
_grantRole(role, account);
}
/**
* @dev Revokes `role` from `account`.
*
* If `account` had been granted `role`, emits a {RoleRevoked} event.
*
* Requirements:
*
* - the caller must have ``role``'s admin role.
*
* May emit a {RoleRevoked} event.
*/
function revokeRole(bytes32 role, address account) public virtual onlyRole(getRoleAdmin(role)) {
_revokeRole(role, account);
}
/**
* @dev Revokes `role` from the calling account.
*
* Roles are often managed via {grantRole} and {revokeRole}: this function's
* purpose is to provide a mechanism for accounts to lose their privileges
* if they are compromised (such as when a trusted device is misplaced).
*
* If the calling account had been revoked `role`, emits a {RoleRevoked}
* event.
*
* Requirements:
*
* - the caller must be `callerConfirmation`.
*
* May emit a {RoleRevoked} event.
*/
function renounceRole(bytes32 role, address callerConfirmation) public virtual {
if (callerConfirmation != _msgSender()) {
revert AccessControlBadConfirmation();
}
_revokeRole(role, callerConfirmation);
}
/**
* @dev Sets `adminRole` as ``role``'s admin role.
*
* Emits a {RoleAdminChanged} event.
*/
function _setRoleAdmin(bytes32 role, bytes32 adminRole) internal virtual {
bytes32 previousAdminRole = getRoleAdmin(role);
_roles[role].adminRole = adminRole;
emit RoleAdminChanged(role, previousAdminRole, adminRole);
}
/**
* @dev Attempts to grant `role` to `account` and returns a boolean indicating if `role` was granted.
*
* Internal function without access restriction.
*
* May emit a {RoleGranted} event.
*/
function _grantRole(bytes32 role, address account) internal virtual returns (bool) {
if (!hasRole(role, account)) {
_roles[role].hasRole[account] = true;
emit RoleGranted(role, account, _msgSender());
return true;
} else {
return false;
}
}
/**
* @dev Attempts to revoke `role` to `account` and returns a boolean indicating if `role` was revoked.
*
* Internal function without access restriction.
*
* May emit a {RoleRevoked} event.
*/
function _revokeRole(bytes32 role, address account) internal virtual returns (bool) {
if (hasRole(role, account)) {
_roles[role].hasRole[account] = false;
emit RoleRevoked(role, account, _msgSender());
return true;
} else {
return false;
}
}
}// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (access/extensions/AccessControlDefaultAdminRules.sol)
pragma solidity ^0.8.20;
import {IAccessControlDefaultAdminRules} from "./IAccessControlDefaultAdminRules.sol";
import {AccessControl, IAccessControl} from "../AccessControl.sol";
import {SafeCast} from "../../utils/math/SafeCast.sol";
import {Math} from "../../utils/math/Math.sol";
import {IERC5313} from "../../interfaces/IERC5313.sol";
/**
* @dev Extension of {AccessControl} that allows specifying special rules to manage
* the `DEFAULT_ADMIN_ROLE` holder, which is a sensitive role with special permissions
* over other roles that may potentially have privileged rights in the system.
*
* If a specific role doesn't have an admin role assigned, the holder of the
* `DEFAULT_ADMIN_ROLE` will have the ability to grant it and revoke it.
*
* This contract implements the following risk mitigations on top of {AccessControl}:
*
* * Only one account holds the `DEFAULT_ADMIN_ROLE` since deployment until it's potentially renounced.
* * Enforces a 2-step process to transfer the `DEFAULT_ADMIN_ROLE` to another account.
* * Enforces a configurable delay between the two steps, with the ability to cancel before the transfer is accepted.
* * The delay can be changed by scheduling, see {changeDefaultAdminDelay}.
* * It is not possible to use another role to manage the `DEFAULT_ADMIN_ROLE`.
*
* Example usage:
*
* ```solidity
* contract MyToken is AccessControlDefaultAdminRules {
* constructor() AccessControlDefaultAdminRules(
* 3 days,
* msg.sender // Explicit initial `DEFAULT_ADMIN_ROLE` holder
* ) {}
* }
* ```
*/
abstract contract AccessControlDefaultAdminRules is IAccessControlDefaultAdminRules, IERC5313, AccessControl {
// pending admin pair read/written together frequently
address private _pendingDefaultAdmin;
uint48 private _pendingDefaultAdminSchedule; // 0 == unset
uint48 private _currentDelay;
address private _currentDefaultAdmin;
// pending delay pair read/written together frequently
uint48 private _pendingDelay;
uint48 private _pendingDelaySchedule; // 0 == unset
/**
* @dev Sets the initial values for {defaultAdminDelay} and {defaultAdmin} address.
*/
constructor(uint48 initialDelay, address initialDefaultAdmin) {
if (initialDefaultAdmin == address(0)) {
revert AccessControlInvalidDefaultAdmin(address(0));
}
_currentDelay = initialDelay;
_grantRole(DEFAULT_ADMIN_ROLE, initialDefaultAdmin);
}
/**
* @dev See {IERC165-supportsInterface}.
*/
function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
return interfaceId == type(IAccessControlDefaultAdminRules).interfaceId || super.supportsInterface(interfaceId);
}
/**
* @dev See {IERC5313-owner}.
*/
function owner() public view virtual returns (address) {
return defaultAdmin();
}
///
/// Override AccessControl role management
///
/**
* @dev See {AccessControl-grantRole}. Reverts for `DEFAULT_ADMIN_ROLE`.
*/
function grantRole(bytes32 role, address account) public virtual override(AccessControl, IAccessControl) {
if (role == DEFAULT_ADMIN_ROLE) {
revert AccessControlEnforcedDefaultAdminRules();
}
super.grantRole(role, account);
}
/**
* @dev See {AccessControl-revokeRole}. Reverts for `DEFAULT_ADMIN_ROLE`.
*/
function revokeRole(bytes32 role, address account) public virtual override(AccessControl, IAccessControl) {
if (role == DEFAULT_ADMIN_ROLE) {
revert AccessControlEnforcedDefaultAdminRules();
}
super.revokeRole(role, account);
}
/**
* @dev See {AccessControl-renounceRole}.
*
* For the `DEFAULT_ADMIN_ROLE`, it only allows renouncing in two steps by first calling
* {beginDefaultAdminTransfer} to the `address(0)`, so it's required that the {pendingDefaultAdmin} schedule
* has also passed when calling this function.
*
* After its execution, it will not be possible to call `onlyRole(DEFAULT_ADMIN_ROLE)` functions.
*
* NOTE: Renouncing `DEFAULT_ADMIN_ROLE` will leave the contract without a {defaultAdmin},
* thereby disabling any functionality that is only available for it, and the possibility of reassigning a
* non-administrated role.
*/
function renounceRole(bytes32 role, address account) public virtual override(AccessControl, IAccessControl) {
if (role == DEFAULT_ADMIN_ROLE && account == defaultAdmin()) {
(address newDefaultAdmin, uint48 schedule) = pendingDefaultAdmin();
if (newDefaultAdmin != address(0) || !_isScheduleSet(schedule) || !_hasSchedulePassed(schedule)) {
revert AccessControlEnforcedDefaultAdminDelay(schedule);
}
delete _pendingDefaultAdminSchedule;
}
super.renounceRole(role, account);
}
/**
* @dev See {AccessControl-_grantRole}.
*
* For `DEFAULT_ADMIN_ROLE`, it only allows granting if there isn't already a {defaultAdmin} or if the
* role has been previously renounced.
*
* NOTE: Exposing this function through another mechanism may make the `DEFAULT_ADMIN_ROLE`
* assignable again. Make sure to guarantee this is the expected behavior in your implementation.
*/
function _grantRole(bytes32 role, address account) internal virtual override returns (bool) {
if (role == DEFAULT_ADMIN_ROLE) {
if (defaultAdmin() != address(0)) {
revert AccessControlEnforcedDefaultAdminRules();
}
_currentDefaultAdmin = account;
}
return super._grantRole(role, account);
}
/**
* @dev See {AccessControl-_revokeRole}.
*/
function _revokeRole(bytes32 role, address account) internal virtual override returns (bool) {
if (role == DEFAULT_ADMIN_ROLE && account == defaultAdmin()) {
delete _currentDefaultAdmin;
}
return super._revokeRole(role, account);
}
/**
* @dev See {AccessControl-_setRoleAdmin}. Reverts for `DEFAULT_ADMIN_ROLE`.
*/
function _setRoleAdmin(bytes32 role, bytes32 adminRole) internal virtual override {
if (role == DEFAULT_ADMIN_ROLE) {
revert AccessControlEnforcedDefaultAdminRules();
}
super._setRoleAdmin(role, adminRole);
}
///
/// AccessControlDefaultAdminRules accessors
///
/**
* @inheritdoc IAccessControlDefaultAdminRules
*/
function defaultAdmin() public view virtual returns (address) {
return _currentDefaultAdmin;
}
/**
* @inheritdoc IAccessControlDefaultAdminRules
*/
function pendingDefaultAdmin() public view virtual returns (address newAdmin, uint48 schedule) {
return (_pendingDefaultAdmin, _pendingDefaultAdminSchedule);
}
/**
* @inheritdoc IAccessControlDefaultAdminRules
*/
function defaultAdminDelay() public view virtual returns (uint48) {
uint48 schedule = _pendingDelaySchedule;
return (_isScheduleSet(schedule) && _hasSchedulePassed(schedule)) ? _pendingDelay : _currentDelay;
}
/**
* @inheritdoc IAccessControlDefaultAdminRules
*/
function pendingDefaultAdminDelay() public view virtual returns (uint48 newDelay, uint48 schedule) {
schedule = _pendingDelaySchedule;
return (_isScheduleSet(schedule) && !_hasSchedulePassed(schedule)) ? (_pendingDelay, schedule) : (0, 0);
}
/**
* @inheritdoc IAccessControlDefaultAdminRules
*/
function defaultAdminDelayIncreaseWait() public view virtual returns (uint48) {
return 5 days;
}
///
/// AccessControlDefaultAdminRules public and internal setters for defaultAdmin/pendingDefaultAdmin
///
/**
* @inheritdoc IAccessControlDefaultAdminRules
*/
function beginDefaultAdminTransfer(address newAdmin) public virtual onlyRole(DEFAULT_ADMIN_ROLE) {
_beginDefaultAdminTransfer(newAdmin);
}
/**
* @dev See {beginDefaultAdminTransfer}.
*
* Internal function without access restriction.
*/
function _beginDefaultAdminTransfer(address newAdmin) internal virtual {
uint48 newSchedule = SafeCast.toUint48(block.timestamp) + defaultAdminDelay();
_setPendingDefaultAdmin(newAdmin, newSchedule);
emit DefaultAdminTransferScheduled(newAdmin, newSchedule);
}
/**
* @inheritdoc IAccessControlDefaultAdminRules
*/
function cancelDefaultAdminTransfer() public virtual onlyRole(DEFAULT_ADMIN_ROLE) {
_cancelDefaultAdminTransfer();
}
/**
* @dev See {cancelDefaultAdminTransfer}.
*
* Internal function without access restriction.
*/
function _cancelDefaultAdminTransfer() internal virtual {
_setPendingDefaultAdmin(address(0), 0);
}
/**
* @inheritdoc IAccessControlDefaultAdminRules
*/
function acceptDefaultAdminTransfer() public virtual {
(address newDefaultAdmin, ) = pendingDefaultAdmin();
if (_msgSender() != newDefaultAdmin) {
// Enforce newDefaultAdmin explicit acceptance.
revert AccessControlInvalidDefaultAdmin(_msgSender());
}
_acceptDefaultAdminTransfer();
}
/**
* @dev See {acceptDefaultAdminTransfer}.
*
* Internal function without access restriction.
*/
function _acceptDefaultAdminTransfer() internal virtual {
(address newAdmin, uint48 schedule) = pendingDefaultAdmin();
if (!_isScheduleSet(schedule) || !_hasSchedulePassed(schedule)) {
revert AccessControlEnforcedDefaultAdminDelay(schedule);
}
_revokeRole(DEFAULT_ADMIN_ROLE, defaultAdmin());
_grantRole(DEFAULT_ADMIN_ROLE, newAdmin);
delete _pendingDefaultAdmin;
delete _pendingDefaultAdminSchedule;
}
///
/// AccessControlDefaultAdminRules public and internal setters for defaultAdminDelay/pendingDefaultAdminDelay
///
/**
* @inheritdoc IAccessControlDefaultAdminRules
*/
function changeDefaultAdminDelay(uint48 newDelay) public virtual onlyRole(DEFAULT_ADMIN_ROLE) {
_changeDefaultAdminDelay(newDelay);
}
/**
* @dev See {changeDefaultAdminDelay}.
*
* Internal function without access restriction.
*/
function _changeDefaultAdminDelay(uint48 newDelay) internal virtual {
uint48 newSchedule = SafeCast.toUint48(block.timestamp) + _delayChangeWait(newDelay);
_setPendingDelay(newDelay, newSchedule);
emit DefaultAdminDelayChangeScheduled(newDelay, newSchedule);
}
/**
* @inheritdoc IAccessControlDefaultAdminRules
*/
function rollbackDefaultAdminDelay() public virtual onlyRole(DEFAULT_ADMIN_ROLE) {
_rollbackDefaultAdminDelay();
}
/**
* @dev See {rollbackDefaultAdminDelay}.
*
* Internal function without access restriction.
*/
function _rollbackDefaultAdminDelay() internal virtual {
_setPendingDelay(0, 0);
}
/**
* @dev Returns the amount of seconds to wait after the `newDelay` will
* become the new {defaultAdminDelay}.
*
* The value returned guarantees that if the delay is reduced, it will go into effect
* after a wait that honors the previously set delay.
*
* See {defaultAdminDelayIncreaseWait}.
*/
function _delayChangeWait(uint48 newDelay) internal view virtual returns (uint48) {
uint48 currentDelay = defaultAdminDelay();
// When increasing the delay, we schedule the delay change to occur after a period of "new delay" has passed, up
// to a maximum given by defaultAdminDelayIncreaseWait, by default 5 days. For example, if increasing from 1 day
// to 3 days, the new delay will come into effect after 3 days. If increasing from 1 day to 10 days, the new
// delay will come into effect after 5 days. The 5 day wait period is intended to be able to fix an error like
// using milliseconds instead of seconds.
//
// When decreasing the delay, we wait the difference between "current delay" and "new delay". This guarantees
// that an admin transfer cannot be made faster than "current delay" at the time the delay change is scheduled.
// For example, if decreasing from 10 days to 3 days, the new delay will come into effect after 7 days.
return
newDelay > currentDelay
? uint48(Math.min(newDelay, defaultAdminDelayIncreaseWait())) // no need to safecast, both inputs are uint48
: currentDelay - newDelay;
}
///
/// Private setters
///
/**
* @dev Setter of the tuple for pending admin and its schedule.
*
* May emit a DefaultAdminTransferCanceled event.
*/
function _setPendingDefaultAdmin(address newAdmin, uint48 newSchedule) private {
(, uint48 oldSchedule) = pendingDefaultAdmin();
_pendingDefaultAdmin = newAdmin;
_pendingDefaultAdminSchedule = newSchedule;
// An `oldSchedule` from `pendingDefaultAdmin()` is only set if it hasn't been accepted.
if (_isScheduleSet(oldSchedule)) {
// Emit for implicit cancellations when another default admin was scheduled.
emit DefaultAdminTransferCanceled();
}
}
/**
* @dev Setter of the tuple for pending delay and its schedule.
*
* May emit a DefaultAdminDelayChangeCanceled event.
*/
function _setPendingDelay(uint48 newDelay, uint48 newSchedule) private {
uint48 oldSchedule = _pendingDelaySchedule;
if (_isScheduleSet(oldSchedule)) {
if (_hasSchedulePassed(oldSchedule)) {
// Materialize a virtual delay
_currentDelay = _pendingDelay;
} else {
// Emit for implicit cancellations when another delay was scheduled.
emit DefaultAdminDelayChangeCanceled();
}
}
_pendingDelay = newDelay;
_pendingDelaySchedule = newSchedule;
}
///
/// Private helpers
///
/**
* @dev Defines if an `schedule` is considered set. For consistency purposes.
*/
function _isScheduleSet(uint48 schedule) private pure returns (bool) {
return schedule != 0;
}
/**
* @dev Defines if an `schedule` is considered passed. For consistency purposes.
*/
function _hasSchedulePassed(uint48 schedule) private view returns (bool) {
return schedule < block.timestamp;
}
}// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (access/extensions/IAccessControlDefaultAdminRules.sol)
pragma solidity ^0.8.20;
import {IAccessControl} from "../IAccessControl.sol";
/**
* @dev External interface of AccessControlDefaultAdminRules declared to support ERC165 detection.
*/
interface IAccessControlDefaultAdminRules is IAccessControl {
/**
* @dev The new default admin is not a valid default admin.
*/
error AccessControlInvalidDefaultAdmin(address defaultAdmin);
/**
* @dev At least one of the following rules was violated:
*
* - The `DEFAULT_ADMIN_ROLE` must only be managed by itself.
* - The `DEFAULT_ADMIN_ROLE` must only be held by one account at the time.
* - Any `DEFAULT_ADMIN_ROLE` transfer must be in two delayed steps.
*/
error AccessControlEnforcedDefaultAdminRules();
/**
* @dev The delay for transferring the default admin delay is enforced and
* the operation must wait until `schedule`.
*
* NOTE: `schedule` can be 0 indicating there's no transfer scheduled.
*/
error AccessControlEnforcedDefaultAdminDelay(uint48 schedule);
/**
* @dev Emitted when a {defaultAdmin} transfer is started, setting `newAdmin` as the next
* address to become the {defaultAdmin} by calling {acceptDefaultAdminTransfer} only after `acceptSchedule`
* passes.
*/
event DefaultAdminTransferScheduled(address indexed newAdmin, uint48 acceptSchedule);
/**
* @dev Emitted when a {pendingDefaultAdmin} is reset if it was never accepted, regardless of its schedule.
*/
event DefaultAdminTransferCanceled();
/**
* @dev Emitted when a {defaultAdminDelay} change is started, setting `newDelay` as the next
* delay to be applied between default admin transfer after `effectSchedule` has passed.
*/
event DefaultAdminDelayChangeScheduled(uint48 newDelay, uint48 effectSchedule);
/**
* @dev Emitted when a {pendingDefaultAdminDelay} is reset if its schedule didn't pass.
*/
event DefaultAdminDelayChangeCanceled();
/**
* @dev Returns the address of the current `DEFAULT_ADMIN_ROLE` holder.
*/
function defaultAdmin() external view returns (address);
/**
* @dev Returns a tuple of a `newAdmin` and an accept schedule.
*
* After the `schedule` passes, the `newAdmin` will be able to accept the {defaultAdmin} role
* by calling {acceptDefaultAdminTransfer}, completing the role transfer.
*
* A zero value only in `acceptSchedule` indicates no pending admin transfer.
*
* NOTE: A zero address `newAdmin` means that {defaultAdmin} is being renounced.
*/
function pendingDefaultAdmin() external view returns (address newAdmin, uint48 acceptSchedule);
/**
* @dev Returns the delay required to schedule the acceptance of a {defaultAdmin} transfer started.
*
* This delay will be added to the current timestamp when calling {beginDefaultAdminTransfer} to set
* the acceptance schedule.
*
* NOTE: If a delay change has been scheduled, it will take effect as soon as the schedule passes, making this
* function returns the new delay. See {changeDefaultAdminDelay}.
*/
function defaultAdminDelay() external view returns (uint48);
/**
* @dev Returns a tuple of `newDelay` and an effect schedule.
*
* After the `schedule` passes, the `newDelay` will get into effect immediately for every
* new {defaultAdmin} transfer started with {beginDefaultAdminTransfer}.
*
* A zero value only in `effectSchedule` indicates no pending delay change.
*
* NOTE: A zero value only for `newDelay` means that the next {defaultAdminDelay}
* will be zero after the effect schedule.
*/
function pendingDefaultAdminDelay() external view returns (uint48 newDelay, uint48 effectSchedule);
/**
* @dev Starts a {defaultAdmin} transfer by setting a {pendingDefaultAdmin} scheduled for acceptance
* after the current timestamp plus a {defaultAdminDelay}.
*
* Requirements:
*
* - Only can be called by the current {defaultAdmin}.
*
* Emits a DefaultAdminRoleChangeStarted event.
*/
function beginDefaultAdminTransfer(address newAdmin) external;
/**
* @dev Cancels a {defaultAdmin} transfer previously started with {beginDefaultAdminTransfer}.
*
* A {pendingDefaultAdmin} not yet accepted can also be cancelled with this function.
*
* Requirements:
*
* - Only can be called by the current {defaultAdmin}.
*
* May emit a DefaultAdminTransferCanceled event.
*/
function cancelDefaultAdminTransfer() external;
/**
* @dev Completes a {defaultAdmin} transfer previously started with {beginDefaultAdminTransfer}.
*
* After calling the function:
*
* - `DEFAULT_ADMIN_ROLE` should be granted to the caller.
* - `DEFAULT_ADMIN_ROLE` should be revoked from the previous holder.
* - {pendingDefaultAdmin} should be reset to zero values.
*
* Requirements:
*
* - Only can be called by the {pendingDefaultAdmin}'s `newAdmin`.
* - The {pendingDefaultAdmin}'s `acceptSchedule` should've passed.
*/
function acceptDefaultAdminTransfer() external;
/**
* @dev Initiates a {defaultAdminDelay} update by setting a {pendingDefaultAdminDelay} scheduled for getting
* into effect after the current timestamp plus a {defaultAdminDelay}.
*
* This function guarantees that any call to {beginDefaultAdminTransfer} done between the timestamp this
* method is called and the {pendingDefaultAdminDelay} effect schedule will use the current {defaultAdminDelay}
* set before calling.
*
* The {pendingDefaultAdminDelay}'s effect schedule is defined in a way that waiting until the schedule and then
* calling {beginDefaultAdminTransfer} with the new delay will take at least the same as another {defaultAdmin}
* complete transfer (including acceptance).
*
* The schedule is designed for two scenarios:
*
* - When the delay is changed for a larger one the schedule is `block.timestamp + newDelay` capped by
* {defaultAdminDelayIncreaseWait}.
* - When the delay is changed for a shorter one, the schedule is `block.timestamp + (current delay - new delay)`.
*
* A {pendingDefaultAdminDelay} that never got into effect will be canceled in favor of a new scheduled change.
*
* Requirements:
*
* - Only can be called by the current {defaultAdmin}.
*
* Emits a DefaultAdminDelayChangeScheduled event and may emit a DefaultAdminDelayChangeCanceled event.
*/
function changeDefaultAdminDelay(uint48 newDelay) external;
/**
* @dev Cancels a scheduled {defaultAdminDelay} change.
*
* Requirements:
*
* - Only can be called by the current {defaultAdmin}.
*
* May emit a DefaultAdminDelayChangeCanceled event.
*/
function rollbackDefaultAdminDelay() external;
/**
* @dev Maximum time in seconds for an increase to {defaultAdminDelay} (that is scheduled using {changeDefaultAdminDelay})
* to take effect. Default to 5 days.
*
* When the {defaultAdminDelay} is scheduled to be increased, it goes into effect after the new delay has passed with
* the purpose of giving enough time for reverting any accidental change (i.e. using milliseconds instead of seconds)
* that may lock the contract. However, to avoid excessive schedules, the wait is capped by this function and it can
* be overrode for a custom {defaultAdminDelay} increase scheduling.
*
* IMPORTANT: Make sure to add a reasonable amount of time while overriding this value, otherwise,
* there's a risk of setting a high new delay that goes into effect almost immediately without the
* possibility of human intervention in the case of an input error (eg. set milliseconds instead of seconds).
*/
function defaultAdminDelayIncreaseWait() external view returns (uint48);
}// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (access/IAccessControl.sol)
pragma solidity ^0.8.20;
/**
* @dev External interface of AccessControl declared to support ERC165 detection.
*/
interface IAccessControl {
/**
* @dev The `account` is missing a role.
*/
error AccessControlUnauthorizedAccount(address account, bytes32 neededRole);
/**
* @dev The caller of a function is not the expected one.
*
* NOTE: Don't confuse with {AccessControlUnauthorizedAccount}.
*/
error AccessControlBadConfirmation();
/**
* @dev Emitted when `newAdminRole` is set as ``role``'s admin role, replacing `previousAdminRole`
*
* `DEFAULT_ADMIN_ROLE` is the starting admin for all roles, despite
* {RoleAdminChanged} not being emitted signaling this.
*/
event RoleAdminChanged(bytes32 indexed role, bytes32 indexed previousAdminRole, bytes32 indexed newAdminRole);
/**
* @dev Emitted when `account` is granted `role`.
*
* `sender` is the account that originated the contract call, an admin role
* bearer except when using {AccessControl-_setupRole}.
*/
event RoleGranted(bytes32 indexed role, address indexed account, address indexed sender);
/**
* @dev Emitted when `account` is revoked `role`.
*
* `sender` is the account that originated the contract call:
* - if using `revokeRole`, it is the admin role bearer
* - if using `renounceRole`, it is the role bearer (i.e. `account`)
*/
event RoleRevoked(bytes32 indexed role, address indexed account, address indexed sender);
/**
* @dev Returns `true` if `account` has been granted `role`.
*/
function hasRole(bytes32 role, address account) external view returns (bool);
/**
* @dev Returns the admin role that controls `role`. See {grantRole} and
* {revokeRole}.
*
* To change a role's admin, use {AccessControl-_setRoleAdmin}.
*/
function getRoleAdmin(bytes32 role) external view returns (bytes32);
/**
* @dev Grants `role` to `account`.
*
* If `account` had not been already granted `role`, emits a {RoleGranted}
* event.
*
* Requirements:
*
* - the caller must have ``role``'s admin role.
*/
function grantRole(bytes32 role, address account) external;
/**
* @dev Revokes `role` from `account`.
*
* If `account` had been granted `role`, emits a {RoleRevoked} event.
*
* Requirements:
*
* - the caller must have ``role``'s admin role.
*/
function revokeRole(bytes32 role, address account) external;
/**
* @dev Revokes `role` from the calling account.
*
* Roles are often managed via {grantRole} and {revokeRole}: this function's
* purpose is to provide a mechanism for accounts to lose their privileges
* if they are compromised (such as when a trusted device is misplaced).
*
* If the calling account had been granted `role`, emits a {RoleRevoked}
* event.
*
* Requirements:
*
* - the caller must be `callerConfirmation`.
*/
function renounceRole(bytes32 role, address callerConfirmation) external;
}// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (interfaces/IERC5313.sol)
pragma solidity ^0.8.20;
/**
* @dev Interface for the Light Contract Ownership Standard.
*
* A standardized minimal interface required to identify an account that controls a contract
*/
interface IERC5313 {
/**
* @dev Gets the address of the owner.
*/
function owner() external view returns (address);
}// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.1) (utils/Context.sol)
pragma solidity ^0.8.20;
/**
* @dev Provides information about the current execution context, including the
* sender of the transaction and its data. While these are generally available
* via msg.sender and msg.data, they should not be accessed in such a direct
* manner, since when dealing with meta-transactions the account sending and
* paying for execution may not be the actual sender (as far as an application
* is concerned).
*
* This contract is only required for intermediate, library-like contracts.
*/
abstract contract Context {
function _msgSender() internal view virtual returns (address) {
return msg.sender;
}
function _msgData() internal view virtual returns (bytes calldata) {
return msg.data;
}
function _contextSuffixLength() internal view virtual returns (uint256) {
return 0;
}
}// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (utils/introspection/ERC165.sol)
pragma solidity ^0.8.20;
import {IERC165} from "./IERC165.sol";
/**
* @dev Implementation of the {IERC165} interface.
*
* Contracts that want to implement ERC165 should inherit from this contract and override {supportsInterface} to check
* for the additional interface id that will be supported. For example:
*
* ```solidity
* function supportsInterface(bytes4 interfaceId) public view virtual override returns (bool) {
* return interfaceId == type(MyInterface).interfaceId || super.supportsInterface(interfaceId);
* }
* ```
*/
abstract contract ERC165 is IERC165 {
/**
* @dev See {IERC165-supportsInterface}.
*/
function supportsInterface(bytes4 interfaceId) public view virtual returns (bool) {
return interfaceId == type(IERC165).interfaceId;
}
}// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (utils/introspection/IERC165.sol)
pragma solidity ^0.8.20;
/**
* @dev Interface of the ERC165 standard, as defined in the
* https://eips.ethereum.org/EIPS/eip-165[EIP].
*
* 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[EIP 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);
}// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (utils/math/Math.sol)
pragma solidity ^0.8.20;
/**
* @dev Standard math utilities missing in the Solidity language.
*/
library Math {
/**
* @dev Muldiv operation overflow.
*/
error MathOverflowedMulDiv();
enum Rounding {
Floor, // Toward negative infinity
Ceil, // Toward positive infinity
Trunc, // Toward zero
Expand // Away from zero
}
/**
* @dev Returns the addition of two unsigned integers, with an overflow flag.
*/
function tryAdd(uint256 a, uint256 b) internal pure returns (bool, uint256) {
unchecked {
uint256 c = a + b;
if (c < a) return (false, 0);
return (true, c);
}
}
/**
* @dev Returns the subtraction of two unsigned integers, with an overflow flag.
*/
function trySub(uint256 a, uint256 b) internal pure returns (bool, uint256) {
unchecked {
if (b > a) return (false, 0);
return (true, a - b);
}
}
/**
* @dev Returns the multiplication of two unsigned integers, with an overflow flag.
*/
function tryMul(uint256 a, uint256 b) internal pure returns (bool, uint256) {
unchecked {
// Gas optimization: this is cheaper than requiring 'a' not being zero, but the
// benefit is lost if 'b' is also tested.
// See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522
if (a == 0) return (true, 0);
uint256 c = a * b;
if (c / a != b) return (false, 0);
return (true, c);
}
}
/**
* @dev Returns the division of two unsigned integers, with a division by zero flag.
*/
function tryDiv(uint256 a, uint256 b) internal pure returns (bool, uint256) {
unchecked {
if (b == 0) return (false, 0);
return (true, a / b);
}
}
/**
* @dev Returns the remainder of dividing two unsigned integers, with a division by zero flag.
*/
function tryMod(uint256 a, uint256 b) internal pure returns (bool, uint256) {
unchecked {
if (b == 0) return (false, 0);
return (true, a % b);
}
}
/**
* @dev Returns the largest of two numbers.
*/
function max(uint256 a, uint256 b) internal pure returns (uint256) {
return a > b ? a : b;
}
/**
* @dev Returns the smallest of two numbers.
*/
function min(uint256 a, uint256 b) internal pure returns (uint256) {
return a < b ? a : b;
}
/**
* @dev Returns the average of two numbers. The result is rounded towards
* zero.
*/
function average(uint256 a, uint256 b) internal pure returns (uint256) {
// (a + b) / 2 can overflow.
return (a & b) + (a ^ b) / 2;
}
/**
* @dev Returns the ceiling of the division of two numbers.
*
* This differs from standard division with `/` in that it rounds towards infinity instead
* of rounding towards zero.
*/
function ceilDiv(uint256 a, uint256 b) internal pure returns (uint256) {
if (b == 0) {
// Guarantee the same behavior as in a regular Solidity division.
return a / b;
}
// (a + b - 1) / b can overflow on addition, so we distribute.
return a == 0 ? 0 : (a - 1) / b + 1;
}
/**
* @notice Calculates floor(x * y / denominator) with full precision. Throws if result overflows a uint256 or
* denominator == 0.
* @dev Original credit to Remco Bloemen under MIT license (https://xn--2-umb.com/21/muldiv) with further edits by
* Uniswap Labs also under MIT license.
*/
function mulDiv(uint256 x, uint256 y, uint256 denominator) internal pure returns (uint256 result) {
unchecked {
// 512-bit multiply [prod1 prod0] = x * y. Compute the product mod 2^256 and mod 2^256 - 1, then use
// use the Chinese Remainder Theorem to reconstruct the 512 bit result. The result is stored in two 256
// variables such that product = prod1 * 2^256 + prod0.
uint256 prod0 = x * y; // Least significant 256 bits of the product
uint256 prod1; // Most significant 256 bits of the product
assembly {
let mm := mulmod(x, y, not(0))
prod1 := sub(sub(mm, prod0), lt(mm, prod0))
}
// Handle non-overflow cases, 256 by 256 division.
if (prod1 == 0) {
// Solidity will revert if denominator == 0, unlike the div opcode on its own.
// The surrounding unchecked block does not change this fact.
// See https://docs.soliditylang.org/en/latest/control-structures.html#checked-or-unchecked-arithmetic.
return prod0 / denominator;
}
// Make sure the result is less than 2^256. Also prevents denominator == 0.
if (denominator <= prod1) {
revert MathOverflowedMulDiv();
}
///////////////////////////////////////////////
// 512 by 256 division.
///////////////////////////////////////////////
// Make division exact by subtracting the remainder from [prod1 prod0].
uint256 remainder;
assembly {
// Compute remainder using mulmod.
remainder := mulmod(x, y, denominator)
// Subtract 256 bit number from 512 bit number.
prod1 := sub(prod1, gt(remainder, prod0))
prod0 := sub(prod0, remainder)
}
// Factor powers of two out of denominator and compute largest power of two divisor of denominator.
// Always >= 1. See https://cs.stackexchange.com/q/138556/92363.
uint256 twos = denominator & (0 - denominator);
assembly {
// Divide denominator by twos.
denominator := div(denominator, twos)
// Divide [prod1 prod0] by twos.
prod0 := div(prod0, twos)
// Flip twos such that it is 2^256 / twos. If twos is zero, then it becomes one.
twos := add(div(sub(0, twos), twos), 1)
}
// Shift in bits from prod1 into prod0.
prod0 |= prod1 * twos;
// Invert denominator mod 2^256. Now that denominator is an odd number, it has an inverse modulo 2^256 such
// that denominator * inv = 1 mod 2^256. Compute the inverse by starting with a seed that is correct for
// four bits. That is, denominator * inv = 1 mod 2^4.
uint256 inverse = (3 * denominator) ^ 2;
// Use the Newton-Raphson iteration to improve the precision. Thanks to Hensel's lifting lemma, this also
// works in modular arithmetic, doubling the correct bits in each step.
inverse *= 2 - denominator * inverse; // inverse mod 2^8
inverse *= 2 - denominator * inverse; // inverse mod 2^16
inverse *= 2 - denominator * inverse; // inverse mod 2^32
inverse *= 2 - denominator * inverse; // inverse mod 2^64
inverse *= 2 - denominator * inverse; // inverse mod 2^128
inverse *= 2 - denominator * inverse; // inverse mod 2^256
// Because the division is now exact we can divide by multiplying with the modular inverse of denominator.
// This will give us the correct result modulo 2^256. Since the preconditions guarantee that the outcome is
// less than 2^256, this is the final result. We don't need to compute the high bits of the result and prod1
// is no longer required.
result = prod0 * inverse;
return result;
}
}
/**
* @notice Calculates x * y / denominator with full precision, following the selected rounding direction.
*/
function mulDiv(uint256 x, uint256 y, uint256 denominator, Rounding rounding) internal pure returns (uint256) {
uint256 result = mulDiv(x, y, denominator);
if (unsignedRoundsUp(rounding) && mulmod(x, y, denominator) > 0) {
result += 1;
}
return result;
}
/**
* @dev Returns the square root of a number. If the number is not a perfect square, the value is rounded
* towards zero.
*
* Inspired by Henry S. Warren, Jr.'s "Hacker's Delight" (Chapter 11).
*/
function sqrt(uint256 a) internal pure returns (uint256) {
if (a == 0) {
return 0;
}
// For our first guess, we get the biggest power of 2 which is smaller than the square root of the target.
//
// We know that the "msb" (most significant bit) of our target number `a` is a power of 2 such that we have
// `msb(a) <= a < 2*msb(a)`. This value can be written `msb(a)=2**k` with `k=log2(a)`.
//
// This can be rewritten `2**log2(a) <= a < 2**(log2(a) + 1)`
// → `sqrt(2**k) <= sqrt(a) < sqrt(2**(k+1))`
// → `2**(k/2) <= sqrt(a) < 2**((k+1)/2) <= 2**(k/2 + 1)`
//
// Consequently, `2**(log2(a) / 2)` is a good first approximation of `sqrt(a)` with at least 1 correct bit.
uint256 result = 1 << (log2(a) >> 1);
// At this point `result` is an estimation with one bit of precision. We know the true value is a uint128,
// since it is the square root of a uint256. Newton's method converges quadratically (precision doubles at
// every iteration). We thus need at most 7 iteration to turn our partial result with one bit of precision
// into the expected uint128 result.
unchecked {
result = (result + a / result) >> 1;
result = (result + a / result) >> 1;
result = (result + a / result) >> 1;
result = (result + a / result) >> 1;
result = (result + a / result) >> 1;
result = (result + a / result) >> 1;
result = (result + a / result) >> 1;
return min(result, a / result);
}
}
/**
* @notice Calculates sqrt(a), following the selected rounding direction.
*/
function sqrt(uint256 a, Rounding rounding) internal pure returns (uint256) {
unchecked {
uint256 result = sqrt(a);
return result + (unsignedRoundsUp(rounding) && result * result < a ? 1 : 0);
}
}
/**
* @dev Return the log in base 2 of a positive value rounded towards zero.
* Returns 0 if given 0.
*/
function log2(uint256 value) internal pure returns (uint256) {
uint256 result = 0;
unchecked {
if (value >> 128 > 0) {
value >>= 128;
result += 128;
}
if (value >> 64 > 0) {
value >>= 64;
result += 64;
}
if (value >> 32 > 0) {
value >>= 32;
result += 32;
}
if (value >> 16 > 0) {
value >>= 16;
result += 16;
}
if (value >> 8 > 0) {
value >>= 8;
result += 8;
}
if (value >> 4 > 0) {
value >>= 4;
result += 4;
}
if (value >> 2 > 0) {
value >>= 2;
result += 2;
}
if (value >> 1 > 0) {
result += 1;
}
}
return result;
}
/**
* @dev Return the log in base 2, following the selected rounding direction, of a positive value.
* Returns 0 if given 0.
*/
function log2(uint256 value, Rounding rounding) internal pure returns (uint256) {
unchecked {
uint256 result = log2(value);
return result + (unsignedRoundsUp(rounding) && 1 << result < value ? 1 : 0);
}
}
/**
* @dev Return the log in base 10 of a positive value rounded towards zero.
* Returns 0 if given 0.
*/
function log10(uint256 value) internal pure returns (uint256) {
uint256 result = 0;
unchecked {
if (value >= 10 ** 64) {
value /= 10 ** 64;
result += 64;
}
if (value >= 10 ** 32) {
value /= 10 ** 32;
result += 32;
}
if (value >= 10 ** 16) {
value /= 10 ** 16;
result += 16;
}
if (value >= 10 ** 8) {
value /= 10 ** 8;
result += 8;
}
if (value >= 10 ** 4) {
value /= 10 ** 4;
result += 4;
}
if (value >= 10 ** 2) {
value /= 10 ** 2;
result += 2;
}
if (value >= 10 ** 1) {
result += 1;
}
}
return result;
}
/**
* @dev Return the log in base 10, following the selected rounding direction, of a positive value.
* Returns 0 if given 0.
*/
function log10(uint256 value, Rounding rounding) internal pure returns (uint256) {
unchecked {
uint256 result = log10(value);
return result + (unsignedRoundsUp(rounding) && 10 ** result < value ? 1 : 0);
}
}
/**
* @dev Return the log in base 256 of a positive value rounded towards zero.
* Returns 0 if given 0.
*
* Adding one to the result gives the number of pairs of hex symbols needed to represent `value` as a hex string.
*/
function log256(uint256 value) internal pure returns (uint256) {
uint256 result = 0;
unchecked {
if (value >> 128 > 0) {
value >>= 128;
result += 16;
}
if (value >> 64 > 0) {
value >>= 64;
result += 8;
}
if (value >> 32 > 0) {
value >>= 32;
result += 4;
}
if (value >> 16 > 0) {
value >>= 16;
result += 2;
}
if (value >> 8 > 0) {
result += 1;
}
}
return result;
}
/**
* @dev Return the log in base 256, following the selected rounding direction, of a positive value.
* Returns 0 if given 0.
*/
function log256(uint256 value, Rounding rounding) internal pure returns (uint256) {
unchecked {
uint256 result = log256(value);
return result + (unsignedRoundsUp(rounding) && 1 << (result << 3) < value ? 1 : 0);
}
}
/**
* @dev Returns whether a provided rounding mode is considered rounding up for unsigned integers.
*/
function unsignedRoundsUp(Rounding rounding) internal pure returns (bool) {
return uint8(rounding) % 2 == 1;
}
}// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (utils/math/SafeCast.sol)
// This file was procedurally generated from scripts/generate/templates/SafeCast.js.
pragma solidity ^0.8.20;
/**
* @dev Wrappers over Solidity's uintXX/intXX casting operators with added overflow
* checks.
*
* Downcasting from uint256/int256 in Solidity does not revert on overflow. This can
* easily result in undesired exploitation or bugs, since developers usually
* assume that overflows raise errors. `SafeCast` restores this intuition by
* reverting the transaction when such an operation overflows.
*
* Using this library instead of the unchecked operations eliminates an entire
* class of bugs, so it's recommended to use it always.
*/
library SafeCast {
/**
* @dev Value doesn't fit in an uint of `bits` size.
*/
error SafeCastOverflowedUintDowncast(uint8 bits, uint256 value);
/**
* @dev An int value doesn't fit in an uint of `bits` size.
*/
error SafeCastOverflowedIntToUint(int256 value);
/**
* @dev Value doesn't fit in an int of `bits` size.
*/
error SafeCastOverflowedIntDowncast(uint8 bits, int256 value);
/**
* @dev An uint value doesn't fit in an int of `bits` size.
*/
error SafeCastOverflowedUintToInt(uint256 value);
/**
* @dev Returns the downcasted uint248 from uint256, reverting on
* overflow (when the input is greater than largest uint248).
*
* Counterpart to Solidity's `uint248` operator.
*
* Requirements:
*
* - input must fit into 248 bits
*/
function toUint248(uint256 value) internal pure returns (uint248) {
if (value > type(uint248).max) {
revert SafeCastOverflowedUintDowncast(248, value);
}
return uint248(value);
}
/**
* @dev Returns the downcasted uint240 from uint256, reverting on
* overflow (when the input is greater than largest uint240).
*
* Counterpart to Solidity's `uint240` operator.
*
* Requirements:
*
* - input must fit into 240 bits
*/
function toUint240(uint256 value) internal pure returns (uint240) {
if (value > type(uint240).max) {
revert SafeCastOverflowedUintDowncast(240, value);
}
return uint240(value);
}
/**
* @dev Returns the downcasted uint232 from uint256, reverting on
* overflow (when the input is greater than largest uint232).
*
* Counterpart to Solidity's `uint232` operator.
*
* Requirements:
*
* - input must fit into 232 bits
*/
function toUint232(uint256 value) internal pure returns (uint232) {
if (value > type(uint232).max) {
revert SafeCastOverflowedUintDowncast(232, value);
}
return uint232(value);
}
/**
* @dev Returns the downcasted uint224 from uint256, reverting on
* overflow (when the input is greater than largest uint224).
*
* Counterpart to Solidity's `uint224` operator.
*
* Requirements:
*
* - input must fit into 224 bits
*/
function toUint224(uint256 value) internal pure returns (uint224) {
if (value > type(uint224).max) {
revert SafeCastOverflowedUintDowncast(224, value);
}
return uint224(value);
}
/**
* @dev Returns the downcasted uint216 from uint256, reverting on
* overflow (when the input is greater than largest uint216).
*
* Counterpart to Solidity's `uint216` operator.
*
* Requirements:
*
* - input must fit into 216 bits
*/
function toUint216(uint256 value) internal pure returns (uint216) {
if (value > type(uint216).max) {
revert SafeCastOverflowedUintDowncast(216, value);
}
return uint216(value);
}
/**
* @dev Returns the downcasted uint208 from uint256, reverting on
* overflow (when the input is greater than largest uint208).
*
* Counterpart to Solidity's `uint208` operator.
*
* Requirements:
*
* - input must fit into 208 bits
*/
function toUint208(uint256 value) internal pure returns (uint208) {
if (value > type(uint208).max) {
revert SafeCastOverflowedUintDowncast(208, value);
}
return uint208(value);
}
/**
* @dev Returns the downcasted uint200 from uint256, reverting on
* overflow (when the input is greater than largest uint200).
*
* Counterpart to Solidity's `uint200` operator.
*
* Requirements:
*
* - input must fit into 200 bits
*/
function toUint200(uint256 value) internal pure returns (uint200) {
if (value > type(uint200).max) {
revert SafeCastOverflowedUintDowncast(200, value);
}
return uint200(value);
}
/**
* @dev Returns the downcasted uint192 from uint256, reverting on
* overflow (when the input is greater than largest uint192).
*
* Counterpart to Solidity's `uint192` operator.
*
* Requirements:
*
* - input must fit into 192 bits
*/
function toUint192(uint256 value) internal pure returns (uint192) {
if (value > type(uint192).max) {
revert SafeCastOverflowedUintDowncast(192, value);
}
return uint192(value);
}
/**
* @dev Returns the downcasted uint184 from uint256, reverting on
* overflow (when the input is greater than largest uint184).
*
* Counterpart to Solidity's `uint184` operator.
*
* Requirements:
*
* - input must fit into 184 bits
*/
function toUint184(uint256 value) internal pure returns (uint184) {
if (value > type(uint184).max) {
revert SafeCastOverflowedUintDowncast(184, value);
}
return uint184(value);
}
/**
* @dev Returns the downcasted uint176 from uint256, reverting on
* overflow (when the input is greater than largest uint176).
*
* Counterpart to Solidity's `uint176` operator.
*
* Requirements:
*
* - input must fit into 176 bits
*/
function toUint176(uint256 value) internal pure returns (uint176) {
if (value > type(uint176).max) {
revert SafeCastOverflowedUintDowncast(176, value);
}
return uint176(value);
}
/**
* @dev Returns the downcasted uint168 from uint256, reverting on
* overflow (when the input is greater than largest uint168).
*
* Counterpart to Solidity's `uint168` operator.
*
* Requirements:
*
* - input must fit into 168 bits
*/
function toUint168(uint256 value) internal pure returns (uint168) {
if (value > type(uint168).max) {
revert SafeCastOverflowedUintDowncast(168, value);
}
return uint168(value);
}
/**
* @dev Returns the downcasted uint160 from uint256, reverting on
* overflow (when the input is greater than largest uint160).
*
* Counterpart to Solidity's `uint160` operator.
*
* Requirements:
*
* - input must fit into 160 bits
*/
function toUint160(uint256 value) internal pure returns (uint160) {
if (value > type(uint160).max) {
revert SafeCastOverflowedUintDowncast(160, value);
}
return uint160(value);
}
/**
* @dev Returns the downcasted uint152 from uint256, reverting on
* overflow (when the input is greater than largest uint152).
*
* Counterpart to Solidity's `uint152` operator.
*
* Requirements:
*
* - input must fit into 152 bits
*/
function toUint152(uint256 value) internal pure returns (uint152) {
if (value > type(uint152).max) {
revert SafeCastOverflowedUintDowncast(152, value);
}
return uint152(value);
}
/**
* @dev Returns the downcasted uint144 from uint256, reverting on
* overflow (when the input is greater than largest uint144).
*
* Counterpart to Solidity's `uint144` operator.
*
* Requirements:
*
* - input must fit into 144 bits
*/
function toUint144(uint256 value) internal pure returns (uint144) {
if (value > type(uint144).max) {
revert SafeCastOverflowedUintDowncast(144, value);
}
return uint144(value);
}
/**
* @dev Returns the downcasted uint136 from uint256, reverting on
* overflow (when the input is greater than largest uint136).
*
* Counterpart to Solidity's `uint136` operator.
*
* Requirements:
*
* - input must fit into 136 bits
*/
function toUint136(uint256 value) internal pure returns (uint136) {
if (value > type(uint136).max) {
revert SafeCastOverflowedUintDowncast(136, value);
}
return uint136(value);
}
/**
* @dev Returns the downcasted uint128 from uint256, reverting on
* overflow (when the input is greater than largest uint128).
*
* Counterpart to Solidity's `uint128` operator.
*
* Requirements:
*
* - input must fit into 128 bits
*/
function toUint128(uint256 value) internal pure returns (uint128) {
if (value > type(uint128).max) {
revert SafeCastOverflowedUintDowncast(128, value);
}
return uint128(value);
}
/**
* @dev Returns the downcasted uint120 from uint256, reverting on
* overflow (when the input is greater than largest uint120).
*
* Counterpart to Solidity's `uint120` operator.
*
* Requirements:
*
* - input must fit into 120 bits
*/
function toUint120(uint256 value) internal pure returns (uint120) {
if (value > type(uint120).max) {
revert SafeCastOverflowedUintDowncast(120, value);
}
return uint120(value);
}
/**
* @dev Returns the downcasted uint112 from uint256, reverting on
* overflow (when the input is greater than largest uint112).
*
* Counterpart to Solidity's `uint112` operator.
*
* Requirements:
*
* - input must fit into 112 bits
*/
function toUint112(uint256 value) internal pure returns (uint112) {
if (value > type(uint112).max) {
revert SafeCastOverflowedUintDowncast(112, value);
}
return uint112(value);
}
/**
* @dev Returns the downcasted uint104 from uint256, reverting on
* overflow (when the input is greater than largest uint104).
*
* Counterpart to Solidity's `uint104` operator.
*
* Requirements:
*
* - input must fit into 104 bits
*/
function toUint104(uint256 value) internal pure returns (uint104) {
if (value > type(uint104).max) {
revert SafeCastOverflowedUintDowncast(104, value);
}
return uint104(value);
}
/**
* @dev Returns the downcasted uint96 from uint256, reverting on
* overflow (when the input is greater than largest uint96).
*
* Counterpart to Solidity's `uint96` operator.
*
* Requirements:
*
* - input must fit into 96 bits
*/
function toUint96(uint256 value) internal pure returns (uint96) {
if (value > type(uint96).max) {
revert SafeCastOverflowedUintDowncast(96, value);
}
return uint96(value);
}
/**
* @dev Returns the downcasted uint88 from uint256, reverting on
* overflow (when the input is greater than largest uint88).
*
* Counterpart to Solidity's `uint88` operator.
*
* Requirements:
*
* - input must fit into 88 bits
*/
function toUint88(uint256 value) internal pure returns (uint88) {
if (value > type(uint88).max) {
revert SafeCastOverflowedUintDowncast(88, value);
}
return uint88(value);
}
/**
* @dev Returns the downcasted uint80 from uint256, reverting on
* overflow (when the input is greater than largest uint80).
*
* Counterpart to Solidity's `uint80` operator.
*
* Requirements:
*
* - input must fit into 80 bits
*/
function toUint80(uint256 value) internal pure returns (uint80) {
if (value > type(uint80).max) {
revert SafeCastOverflowedUintDowncast(80, value);
}
return uint80(value);
}
/**
* @dev Returns the downcasted uint72 from uint256, reverting on
* overflow (when the input is greater than largest uint72).
*
* Counterpart to Solidity's `uint72` operator.
*
* Requirements:
*
* - input must fit into 72 bits
*/
function toUint72(uint256 value) internal pure returns (uint72) {
if (value > type(uint72).max) {
revert SafeCastOverflowedUintDowncast(72, value);
}
return uint72(value);
}
/**
* @dev Returns the downcasted uint64 from uint256, reverting on
* overflow (when the input is greater than largest uint64).
*
* Counterpart to Solidity's `uint64` operator.
*
* Requirements:
*
* - input must fit into 64 bits
*/
function toUint64(uint256 value) internal pure returns (uint64) {
if (value > type(uint64).max) {
revert SafeCastOverflowedUintDowncast(64, value);
}
return uint64(value);
}
/**
* @dev Returns the downcasted uint56 from uint256, reverting on
* overflow (when the input is greater than largest uint56).
*
* Counterpart to Solidity's `uint56` operator.
*
* Requirements:
*
* - input must fit into 56 bits
*/
function toUint56(uint256 value) internal pure returns (uint56) {
if (value > type(uint56).max) {
revert SafeCastOverflowedUintDowncast(56, value);
}
return uint56(value);
}
/**
* @dev Returns the downcasted uint48 from uint256, reverting on
* overflow (when the input is greater than largest uint48).
*
* Counterpart to Solidity's `uint48` operator.
*
* Requirements:
*
* - input must fit into 48 bits
*/
function toUint48(uint256 value) internal pure returns (uint48) {
if (value > type(uint48).max) {
revert SafeCastOverflowedUintDowncast(48, value);
}
return uint48(value);
}
/**
* @dev Returns the downcasted uint40 from uint256, reverting on
* overflow (when the input is greater than largest uint40).
*
* Counterpart to Solidity's `uint40` operator.
*
* Requirements:
*
* - input must fit into 40 bits
*/
function toUint40(uint256 value) internal pure returns (uint40) {
if (value > type(uint40).max) {
revert SafeCastOverflowedUintDowncast(40, value);
}
return uint40(value);
}
/**
* @dev Returns the downcasted uint32 from uint256, reverting on
* overflow (when the input is greater than largest uint32).
*
* Counterpart to Solidity's `uint32` operator.
*
* Requirements:
*
* - input must fit into 32 bits
*/
function toUint32(uint256 value) internal pure returns (uint32) {
if (value > type(uint32).max) {
revert SafeCastOverflowedUintDowncast(32, value);
}
return uint32(value);
}
/**
* @dev Returns the downcasted uint24 from uint256, reverting on
* overflow (when the input is greater than largest uint24).
*
* Counterpart to Solidity's `uint24` operator.
*
* Requirements:
*
* - input must fit into 24 bits
*/
function toUint24(uint256 value) internal pure returns (uint24) {
if (value > type(uint24).max) {
revert SafeCastOverflowedUintDowncast(24, value);
}
return uint24(value);
}
/**
* @dev Returns the downcasted uint16 from uint256, reverting on
* overflow (when the input is greater than largest uint16).
*
* Counterpart to Solidity's `uint16` operator.
*
* Requirements:
*
* - input must fit into 16 bits
*/
function toUint16(uint256 value) internal pure returns (uint16) {
if (value > type(uint16).max) {
revert SafeCastOverflowedUintDowncast(16, value);
}
return uint16(value);
}
/**
* @dev Returns the downcasted uint8 from uint256, reverting on
* overflow (when the input is greater than largest uint8).
*
* Counterpart to Solidity's `uint8` operator.
*
* Requirements:
*
* - input must fit into 8 bits
*/
function toUint8(uint256 value) internal pure returns (uint8) {
if (value > type(uint8).max) {
revert SafeCastOverflowedUintDowncast(8, value);
}
return uint8(value);
}
/**
* @dev Converts a signed int256 into an unsigned uint256.
*
* Requirements:
*
* - input must be greater than or equal to 0.
*/
function toUint256(int256 value) internal pure returns (uint256) {
if (value < 0) {
revert SafeCastOverflowedIntToUint(value);
}
return uint256(value);
}
/**
* @dev Returns the downcasted int248 from int256, reverting on
* overflow (when the input is less than smallest int248 or
* greater than largest int248).
*
* Counterpart to Solidity's `int248` operator.
*
* Requirements:
*
* - input must fit into 248 bits
*/
function toInt248(int256 value) internal pure returns (int248 downcasted) {
downcasted = int248(value);
if (downcasted != value) {
revert SafeCastOverflowedIntDowncast(248, value);
}
}
/**
* @dev Returns the downcasted int240 from int256, reverting on
* overflow (when the input is less than smallest int240 or
* greater than largest int240).
*
* Counterpart to Solidity's `int240` operator.
*
* Requirements:
*
* - input must fit into 240 bits
*/
function toInt240(int256 value) internal pure returns (int240 downcasted) {
downcasted = int240(value);
if (downcasted != value) {
revert SafeCastOverflowedIntDowncast(240, value);
}
}
/**
* @dev Returns the downcasted int232 from int256, reverting on
* overflow (when the input is less than smallest int232 or
* greater than largest int232).
*
* Counterpart to Solidity's `int232` operator.
*
* Requirements:
*
* - input must fit into 232 bits
*/
function toInt232(int256 value) internal pure returns (int232 downcasted) {
downcasted = int232(value);
if (downcasted != value) {
revert SafeCastOverflowedIntDowncast(232, value);
}
}
/**
* @dev Returns the downcasted int224 from int256, reverting on
* overflow (when the input is less than smallest int224 or
* greater than largest int224).
*
* Counterpart to Solidity's `int224` operator.
*
* Requirements:
*
* - input must fit into 224 bits
*/
function toInt224(int256 value) internal pure returns (int224 downcasted) {
downcasted = int224(value);
if (downcasted != value) {
revert SafeCastOverflowedIntDowncast(224, value);
}
}
/**
* @dev Returns the downcasted int216 from int256, reverting on
* overflow (when the input is less than smallest int216 or
* greater than largest int216).
*
* Counterpart to Solidity's `int216` operator.
*
* Requirements:
*
* - input must fit into 216 bits
*/
function toInt216(int256 value) internal pure returns (int216 downcasted) {
downcasted = int216(value);
if (downcasted != value) {
revert SafeCastOverflowedIntDowncast(216, value);
}
}
/**
* @dev Returns the downcasted int208 from int256, reverting on
* overflow (when the input is less than smallest int208 or
* greater than largest int208).
*
* Counterpart to Solidity's `int208` operator.
*
* Requirements:
*
* - input must fit into 208 bits
*/
function toInt208(int256 value) internal pure returns (int208 downcasted) {
downcasted = int208(value);
if (downcasted != value) {
revert SafeCastOverflowedIntDowncast(208, value);
}
}
/**
* @dev Returns the downcasted int200 from int256, reverting on
* overflow (when the input is less than smallest int200 or
* greater than largest int200).
*
* Counterpart to Solidity's `int200` operator.
*
* Requirements:
*
* - input must fit into 200 bits
*/
function toInt200(int256 value) internal pure returns (int200 downcasted) {
downcasted = int200(value);
if (downcasted != value) {
revert SafeCastOverflowedIntDowncast(200, value);
}
}
/**
* @dev Returns the downcasted int192 from int256, reverting on
* overflow (when the input is less than smallest int192 or
* greater than largest int192).
*
* Counterpart to Solidity's `int192` operator.
*
* Requirements:
*
* - input must fit into 192 bits
*/
function toInt192(int256 value) internal pure returns (int192 downcasted) {
downcasted = int192(value);
if (downcasted != value) {
revert SafeCastOverflowedIntDowncast(192, value);
}
}
/**
* @dev Returns the downcasted int184 from int256, reverting on
* overflow (when the input is less than smallest int184 or
* greater than largest int184).
*
* Counterpart to Solidity's `int184` operator.
*
* Requirements:
*
* - input must fit into 184 bits
*/
function toInt184(int256 value) internal pure returns (int184 downcasted) {
downcasted = int184(value);
if (downcasted != value) {
revert SafeCastOverflowedIntDowncast(184, value);
}
}
/**
* @dev Returns the downcasted int176 from int256, reverting on
* overflow (when the input is less than smallest int176 or
* greater than largest int176).
*
* Counterpart to Solidity's `int176` operator.
*
* Requirements:
*
* - input must fit into 176 bits
*/
function toInt176(int256 value) internal pure returns (int176 downcasted) {
downcasted = int176(value);
if (downcasted != value) {
revert SafeCastOverflowedIntDowncast(176, value);
}
}
/**
* @dev Returns the downcasted int168 from int256, reverting on
* overflow (when the input is less than smallest int168 or
* greater than largest int168).
*
* Counterpart to Solidity's `int168` operator.
*
* Requirements:
*
* - input must fit into 168 bits
*/
function toInt168(int256 value) internal pure returns (int168 downcasted) {
downcasted = int168(value);
if (downcasted != value) {
revert SafeCastOverflowedIntDowncast(168, value);
}
}
/**
* @dev Returns the downcasted int160 from int256, reverting on
* overflow (when the input is less than smallest int160 or
* greater than largest int160).
*
* Counterpart to Solidity's `int160` operator.
*
* Requirements:
*
* - input must fit into 160 bits
*/
function toInt160(int256 value) internal pure returns (int160 downcasted) {
downcasted = int160(value);
if (downcasted != value) {
revert SafeCastOverflowedIntDowncast(160, value);
}
}
/**
* @dev Returns the downcasted int152 from int256, reverting on
* overflow (when the input is less than smallest int152 or
* greater than largest int152).
*
* Counterpart to Solidity's `int152` operator.
*
* Requirements:
*
* - input must fit into 152 bits
*/
function toInt152(int256 value) internal pure returns (int152 downcasted) {
downcasted = int152(value);
if (downcasted != value) {
revert SafeCastOverflowedIntDowncast(152, value);
}
}
/**
* @dev Returns the downcasted int144 from int256, reverting on
* overflow (when the input is less than smallest int144 or
* greater than largest int144).
*
* Counterpart to Solidity's `int144` operator.
*
* Requirements:
*
* - input must fit into 144 bits
*/
function toInt144(int256 value) internal pure returns (int144 downcasted) {
downcasted = int144(value);
if (downcasted != value) {
revert SafeCastOverflowedIntDowncast(144, value);
}
}
/**
* @dev Returns the downcasted int136 from int256, reverting on
* overflow (when the input is less than smallest int136 or
* greater than largest int136).
*
* Counterpart to Solidity's `int136` operator.
*
* Requirements:
*
* - input must fit into 136 bits
*/
function toInt136(int256 value) internal pure returns (int136 downcasted) {
downcasted = int136(value);
if (downcasted != value) {
revert SafeCastOverflowedIntDowncast(136, value);
}
}
/**
* @dev Returns the downcasted int128 from int256, reverting on
* overflow (when the input is less than smallest int128 or
* greater than largest int128).
*
* Counterpart to Solidity's `int128` operator.
*
* Requirements:
*
* - input must fit into 128 bits
*/
function toInt128(int256 value) internal pure returns (int128 downcasted) {
downcasted = int128(value);
if (downcasted != value) {
revert SafeCastOverflowedIntDowncast(128, value);
}
}
/**
* @dev Returns the downcasted int120 from int256, reverting on
* overflow (when the input is less than smallest int120 or
* greater than largest int120).
*
* Counterpart to Solidity's `int120` operator.
*
* Requirements:
*
* - input must fit into 120 bits
*/
function toInt120(int256 value) internal pure returns (int120 downcasted) {
downcasted = int120(value);
if (downcasted != value) {
revert SafeCastOverflowedIntDowncast(120, value);
}
}
/**
* @dev Returns the downcasted int112 from int256, reverting on
* overflow (when the input is less than smallest int112 or
* greater than largest int112).
*
* Counterpart to Solidity's `int112` operator.
*
* Requirements:
*
* - input must fit into 112 bits
*/
function toInt112(int256 value) internal pure returns (int112 downcasted) {
downcasted = int112(value);
if (downcasted != value) {
revert SafeCastOverflowedIntDowncast(112, value);
}
}
/**
* @dev Returns the downcasted int104 from int256, reverting on
* overflow (when the input is less than smallest int104 or
* greater than largest int104).
*
* Counterpart to Solidity's `int104` operator.
*
* Requirements:
*
* - input must fit into 104 bits
*/
function toInt104(int256 value) internal pure returns (int104 downcasted) {
downcasted = int104(value);
if (downcasted != value) {
revert SafeCastOverflowedIntDowncast(104, value);
}
}
/**
* @dev Returns the downcasted int96 from int256, reverting on
* overflow (when the input is less than smallest int96 or
* greater than largest int96).
*
* Counterpart to Solidity's `int96` operator.
*
* Requirements:
*
* - input must fit into 96 bits
*/
function toInt96(int256 value) internal pure returns (int96 downcasted) {
downcasted = int96(value);
if (downcasted != value) {
revert SafeCastOverflowedIntDowncast(96, value);
}
}
/**
* @dev Returns the downcasted int88 from int256, reverting on
* overflow (when the input is less than smallest int88 or
* greater than largest int88).
*
* Counterpart to Solidity's `int88` operator.
*
* Requirements:
*
* - input must fit into 88 bits
*/
function toInt88(int256 value) internal pure returns (int88 downcasted) {
downcasted = int88(value);
if (downcasted != value) {
revert SafeCastOverflowedIntDowncast(88, value);
}
}
/**
* @dev Returns the downcasted int80 from int256, reverting on
* overflow (when the input is less than smallest int80 or
* greater than largest int80).
*
* Counterpart to Solidity's `int80` operator.
*
* Requirements:
*
* - input must fit into 80 bits
*/
function toInt80(int256 value) internal pure returns (int80 downcasted) {
downcasted = int80(value);
if (downcasted != value) {
revert SafeCastOverflowedIntDowncast(80, value);
}
}
/**
* @dev Returns the downcasted int72 from int256, reverting on
* overflow (when the input is less than smallest int72 or
* greater than largest int72).
*
* Counterpart to Solidity's `int72` operator.
*
* Requirements:
*
* - input must fit into 72 bits
*/
function toInt72(int256 value) internal pure returns (int72 downcasted) {
downcasted = int72(value);
if (downcasted != value) {
revert SafeCastOverflowedIntDowncast(72, value);
}
}
/**
* @dev Returns the downcasted int64 from int256, reverting on
* overflow (when the input is less than smallest int64 or
* greater than largest int64).
*
* Counterpart to Solidity's `int64` operator.
*
* Requirements:
*
* - input must fit into 64 bits
*/
function toInt64(int256 value) internal pure returns (int64 downcasted) {
downcasted = int64(value);
if (downcasted != value) {
revert SafeCastOverflowedIntDowncast(64, value);
}
}
/**
* @dev Returns the downcasted int56 from int256, reverting on
* overflow (when the input is less than smallest int56 or
* greater than largest int56).
*
* Counterpart to Solidity's `int56` operator.
*
* Requirements:
*
* - input must fit into 56 bits
*/
function toInt56(int256 value) internal pure returns (int56 downcasted) {
downcasted = int56(value);
if (downcasted != value) {
revert SafeCastOverflowedIntDowncast(56, value);
}
}
/**
* @dev Returns the downcasted int48 from int256, reverting on
* overflow (when the input is less than smallest int48 or
* greater than largest int48).
*
* Counterpart to Solidity's `int48` operator.
*
* Requirements:
*
* - input must fit into 48 bits
*/
function toInt48(int256 value) internal pure returns (int48 downcasted) {
downcasted = int48(value);
if (downcasted != value) {
revert SafeCastOverflowedIntDowncast(48, value);
}
}
/**
* @dev Returns the downcasted int40 from int256, reverting on
* overflow (when the input is less than smallest int40 or
* greater than largest int40).
*
* Counterpart to Solidity's `int40` operator.
*
* Requirements:
*
* - input must fit into 40 bits
*/
function toInt40(int256 value) internal pure returns (int40 downcasted) {
downcasted = int40(value);
if (downcasted != value) {
revert SafeCastOverflowedIntDowncast(40, value);
}
}
/**
* @dev Returns the downcasted int32 from int256, reverting on
* overflow (when the input is less than smallest int32 or
* greater than largest int32).
*
* Counterpart to Solidity's `int32` operator.
*
* Requirements:
*
* - input must fit into 32 bits
*/
function toInt32(int256 value) internal pure returns (int32 downcasted) {
downcasted = int32(value);
if (downcasted != value) {
revert SafeCastOverflowedIntDowncast(32, value);
}
}
/**
* @dev Returns the downcasted int24 from int256, reverting on
* overflow (when the input is less than smallest int24 or
* greater than largest int24).
*
* Counterpart to Solidity's `int24` operator.
*
* Requirements:
*
* - input must fit into 24 bits
*/
function toInt24(int256 value) internal pure returns (int24 downcasted) {
downcasted = int24(value);
if (downcasted != value) {
revert SafeCastOverflowedIntDowncast(24, value);
}
}
/**
* @dev Returns the downcasted int16 from int256, reverting on
* overflow (when the input is less than smallest int16 or
* greater than largest int16).
*
* Counterpart to Solidity's `int16` operator.
*
* Requirements:
*
* - input must fit into 16 bits
*/
function toInt16(int256 value) internal pure returns (int16 downcasted) {
downcasted = int16(value);
if (downcasted != value) {
revert SafeCastOverflowedIntDowncast(16, value);
}
}
/**
* @dev Returns the downcasted int8 from int256, reverting on
* overflow (when the input is less than smallest int8 or
* greater than largest int8).
*
* Counterpart to Solidity's `int8` operator.
*
* Requirements:
*
* - input must fit into 8 bits
*/
function toInt8(int256 value) internal pure returns (int8 downcasted) {
downcasted = int8(value);
if (downcasted != value) {
revert SafeCastOverflowedIntDowncast(8, value);
}
}
/**
* @dev Converts an unsigned uint256 into a signed int256.
*
* Requirements:
*
* - input must be less than or equal to maxInt256.
*/
function toInt256(uint256 value) internal pure returns (int256) {
// Note: Unsafe cast below is okay because `type(int256).max` is guaranteed to be positive
if (value > uint256(type(int256).max)) {
revert SafeCastOverflowedUintToInt(value);
}
return int256(value);
}
}// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (utils/ReentrancyGuard.sol)
pragma solidity ^0.8.20;
/**
* @dev Contract module that helps prevent reentrant calls to a function.
*
* Inheriting from `ReentrancyGuard` will make the {nonReentrant} modifier
* available, which can be applied to functions to make sure there are no nested
* (reentrant) calls to them.
*
* Note that because there is a single `nonReentrant` guard, functions marked as
* `nonReentrant` may not call one another. This can be worked around by making
* those functions `private`, and then adding `external` `nonReentrant` entry
* points to them.
*
* TIP: If you would like to learn more about reentrancy and alternative ways
* to protect against it, check out our blog post
* https://blog.openzeppelin.com/reentrancy-after-istanbul/[Reentrancy After Istanbul].
*/
abstract contract ReentrancyGuard {
// Booleans are more expensive than uint256 or any type that takes up a full
// word because each write operation emits an extra SLOAD to first read the
// slot's contents, replace the bits taken up by the boolean, and then write
// back. This is the compiler's defense against contract upgrades and
// pointer aliasing, and it cannot be disabled.
// The values being non-zero value makes deployment a bit more expensive,
// but in exchange the refund on every call to nonReentrant will be lower in
// amount. Since refunds are capped to a percentage of the total
// transaction's gas, it is best to keep them low in cases like this one, to
// increase the likelihood of the full refund coming into effect.
uint256 private constant NOT_ENTERED = 1;
uint256 private constant ENTERED = 2;
uint256 private _status;
/**
* @dev Unauthorized reentrant call.
*/
error ReentrancyGuardReentrantCall();
constructor() {
_status = NOT_ENTERED;
}
/**
* @dev Prevents a contract from calling itself, directly or indirectly.
* Calling a `nonReentrant` function from another `nonReentrant`
* function is not supported. It is possible to prevent this from happening
* by making the `nonReentrant` function external, and making it call a
* `private` function that does the actual work.
*/
modifier nonReentrant() {
_nonReentrantBefore();
_;
_nonReentrantAfter();
}
function _nonReentrantBefore() private {
// On the first call to nonReentrant, _status will be NOT_ENTERED
if (_status == ENTERED) {
revert ReentrancyGuardReentrantCall();
}
// Any calls to nonReentrant after this point will fail
_status = ENTERED;
}
function _nonReentrantAfter() private {
// By storing the original value once again, a refund is triggered (see
// https://eips.ethereum.org/EIPS/eip-2200)
_status = NOT_ENTERED;
}
/**
* @dev Returns true if the reentrancy guard is currently set to "entered", which indicates there is a
* `nonReentrant` function in the call stack.
*/
function _reentrancyGuardEntered() internal view returns (bool) {
return _status == ENTERED;
}
}// SPDX-License-Identifier: Unlicense /* * @title Solidity Bytes Arrays Utils * @author Gonçalo Sá <[email protected]> * * @dev Bytes tightly packed arrays utility library for ethereum contracts written in Solidity. * The library lets you concatenate, slice and type cast bytes arrays both in memory and storage. */ pragma solidity >=0.8.0 <0.9.0; library BytesLib { function concat( bytes memory _preBytes, bytes memory _postBytes ) internal pure returns (bytes memory) { bytes memory tempBytes; assembly { // Get a location of some free memory and store it in tempBytes as // Solidity does for memory variables. tempBytes := mload(0x40) // Store the length of the first bytes array at the beginning of // the memory for tempBytes. let length := mload(_preBytes) mstore(tempBytes, length) // Maintain a memory counter for the current write location in the // temp bytes array by adding the 32 bytes for the array length to // the starting location. let mc := add(tempBytes, 0x20) // Stop copying when the memory counter reaches the length of the // first bytes array. let end := add(mc, length) for { // Initialize a copy counter to the start of the _preBytes data, // 32 bytes into its memory. let cc := add(_preBytes, 0x20) } lt(mc, end) { // Increase both counters by 32 bytes each iteration. mc := add(mc, 0x20) cc := add(cc, 0x20) } { // Write the _preBytes data into the tempBytes memory 32 bytes // at a time. mstore(mc, mload(cc)) } // Add the length of _postBytes to the current length of tempBytes // and store it as the new length in the first 32 bytes of the // tempBytes memory. length := mload(_postBytes) mstore(tempBytes, add(length, mload(tempBytes))) // Move the memory counter back from a multiple of 0x20 to the // actual end of the _preBytes data. mc := end // Stop copying when the memory counter reaches the new combined // length of the arrays. end := add(mc, length) for { let cc := add(_postBytes, 0x20) } lt(mc, end) { mc := add(mc, 0x20) cc := add(cc, 0x20) } { mstore(mc, mload(cc)) } // Update the free-memory pointer by padding our last write location // to 32 bytes: add 31 bytes to the end of tempBytes to move to the // next 32 byte block, then round down to the nearest multiple of // 32. If the sum of the length of the two arrays is zero then add // one before rounding down to leave a blank 32 bytes (the length block with 0). mstore(0x40, and( add(add(end, iszero(add(length, mload(_preBytes)))), 31), not(31) // Round down to the nearest 32 bytes. )) } return tempBytes; } function concatStorage(bytes storage _preBytes, bytes memory _postBytes) internal { assembly { // Read the first 32 bytes of _preBytes storage, which is the length // of the array. (We don't need to use the offset into the slot // because arrays use the entire slot.) let fslot := sload(_preBytes.slot) // Arrays of 31 bytes or less have an even value in their slot, // while longer arrays have an odd value. The actual length is // the slot divided by two for odd values, and the lowest order // byte divided by two for even values. // If the slot is even, bitwise and the slot with 255 and divide by // two to get the length. If the slot is odd, bitwise and the slot // with -1 and divide by two. let slength := div(and(fslot, sub(mul(0x100, iszero(and(fslot, 1))), 1)), 2) let mlength := mload(_postBytes) let newlength := add(slength, mlength) // slength can contain both the length and contents of the array // if length < 32 bytes so let's prepare for that // v. http://solidity.readthedocs.io/en/latest/miscellaneous.html#layout-of-state-variables-in-storage switch add(lt(slength, 32), lt(newlength, 32)) case 2 { // Since the new array still fits in the slot, we just need to // update the contents of the slot. // uint256(bytes_storage) = uint256(bytes_storage) + uint256(bytes_memory) + new_length sstore( _preBytes.slot, // all the modifications to the slot are inside this // next block add( // we can just add to the slot contents because the // bytes we want to change are the LSBs fslot, add( mul( div( // load the bytes from memory mload(add(_postBytes, 0x20)), // zero all bytes to the right exp(0x100, sub(32, mlength)) ), // and now shift left the number of bytes to // leave space for the length in the slot exp(0x100, sub(32, newlength)) ), // increase length by the double of the memory // bytes length mul(mlength, 2) ) ) ) } case 1 { // The stored value fits in the slot, but the combined value // will exceed it. // get the keccak hash to get the contents of the array mstore(0x0, _preBytes.slot) let sc := add(keccak256(0x0, 0x20), div(slength, 32)) // save new length sstore(_preBytes.slot, add(mul(newlength, 2), 1)) // The contents of the _postBytes array start 32 bytes into // the structure. Our first read should obtain the `submod` // bytes that can fit into the unused space in the last word // of the stored array. To get this, we read 32 bytes starting // from `submod`, so the data we read overlaps with the array // contents by `submod` bytes. Masking the lowest-order // `submod` bytes allows us to add that value directly to the // stored value. let submod := sub(32, slength) let mc := add(_postBytes, submod) let end := add(_postBytes, mlength) let mask := sub(exp(0x100, submod), 1) sstore( sc, add( and( fslot, 0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff00 ), and(mload(mc), mask) ) ) for { mc := add(mc, 0x20) sc := add(sc, 1) } lt(mc, end) { sc := add(sc, 1) mc := add(mc, 0x20) } { sstore(sc, mload(mc)) } mask := exp(0x100, sub(mc, end)) sstore(sc, mul(div(mload(mc), mask), mask)) } default { // get the keccak hash to get the contents of the array mstore(0x0, _preBytes.slot) // Start copying to the last used word of the stored array. let sc := add(keccak256(0x0, 0x20), div(slength, 32)) // save new length sstore(_preBytes.slot, add(mul(newlength, 2), 1)) // Copy over the first `submod` bytes of the new data as in // case 1 above. let slengthmod := mod(slength, 32) let mlengthmod := mod(mlength, 32) let submod := sub(32, slengthmod) let mc := add(_postBytes, submod) let end := add(_postBytes, mlength) let mask := sub(exp(0x100, submod), 1) sstore(sc, add(sload(sc), and(mload(mc), mask))) for { sc := add(sc, 1) mc := add(mc, 0x20) } lt(mc, end) { sc := add(sc, 1) mc := add(mc, 0x20) } { sstore(sc, mload(mc)) } mask := exp(0x100, sub(mc, end)) sstore(sc, mul(div(mload(mc), mask), mask)) } } } function slice( bytes memory _bytes, uint256 _start, uint256 _length ) internal pure returns (bytes memory) { require(_length + 31 >= _length, "slice_overflow"); require(_bytes.length >= _start + _length, "slice_outOfBounds"); bytes memory tempBytes; assembly { switch iszero(_length) case 0 { // Get a location of some free memory and store it in tempBytes as // Solidity does for memory variables. tempBytes := mload(0x40) // The first word of the slice result is potentially a partial // word read from the original array. To read it, we calculate // the length of that partial word and start copying that many // bytes into the array. The first word we copy will start with // data we don't care about, but the last `lengthmod` bytes will // land at the beginning of the contents of the new array. When // we're done copying, we overwrite the full first word with // the actual length of the slice. let lengthmod := and(_length, 31) // The multiplication in the next line is necessary // because when slicing multiples of 32 bytes (lengthmod == 0) // the following copy loop was copying the origin's length // and then ending prematurely not copying everything it should. let mc := add(add(tempBytes, lengthmod), mul(0x20, iszero(lengthmod))) let end := add(mc, _length) for { // The multiplication in the next line has the same exact purpose // as the one above. let cc := add(add(add(_bytes, lengthmod), mul(0x20, iszero(lengthmod))), _start) } lt(mc, end) { mc := add(mc, 0x20) cc := add(cc, 0x20) } { mstore(mc, mload(cc)) } mstore(tempBytes, _length) //update free-memory pointer //allocating the array padded to 32 bytes like the compiler does now mstore(0x40, and(add(mc, 31), not(31))) } //if we want a zero-length slice let's just return a zero-length array default { tempBytes := mload(0x40) //zero out the 32 bytes slice we are about to return //we need to do it because Solidity does not garbage collect mstore(tempBytes, 0) mstore(0x40, add(tempBytes, 0x20)) } } return tempBytes; } function toAddress(bytes memory _bytes, uint256 _start) internal pure returns (address) { require(_bytes.length >= _start + 20, "toAddress_outOfBounds"); address tempAddress; assembly { tempAddress := div(mload(add(add(_bytes, 0x20), _start)), 0x1000000000000000000000000) } return tempAddress; } function toUint8(bytes memory _bytes, uint256 _start) internal pure returns (uint8) { require(_bytes.length >= _start + 1 , "toUint8_outOfBounds"); uint8 tempUint; assembly { tempUint := mload(add(add(_bytes, 0x1), _start)) } return tempUint; } function toUint16(bytes memory _bytes, uint256 _start) internal pure returns (uint16) { require(_bytes.length >= _start + 2, "toUint16_outOfBounds"); uint16 tempUint; assembly { tempUint := mload(add(add(_bytes, 0x2), _start)) } return tempUint; } function toUint32(bytes memory _bytes, uint256 _start) internal pure returns (uint32) { require(_bytes.length >= _start + 4, "toUint32_outOfBounds"); uint32 tempUint; assembly { tempUint := mload(add(add(_bytes, 0x4), _start)) } return tempUint; } function toUint64(bytes memory _bytes, uint256 _start) internal pure returns (uint64) { require(_bytes.length >= _start + 8, "toUint64_outOfBounds"); uint64 tempUint; assembly { tempUint := mload(add(add(_bytes, 0x8), _start)) } return tempUint; } function toUint96(bytes memory _bytes, uint256 _start) internal pure returns (uint96) { require(_bytes.length >= _start + 12, "toUint96_outOfBounds"); uint96 tempUint; assembly { tempUint := mload(add(add(_bytes, 0xc), _start)) } return tempUint; } function toUint128(bytes memory _bytes, uint256 _start) internal pure returns (uint128) { require(_bytes.length >= _start + 16, "toUint128_outOfBounds"); uint128 tempUint; assembly { tempUint := mload(add(add(_bytes, 0x10), _start)) } return tempUint; } function toUint256(bytes memory _bytes, uint256 _start) internal pure returns (uint256) { require(_bytes.length >= _start + 32, "toUint256_outOfBounds"); uint256 tempUint; assembly { tempUint := mload(add(add(_bytes, 0x20), _start)) } return tempUint; } function toBytes32(bytes memory _bytes, uint256 _start) internal pure returns (bytes32) { require(_bytes.length >= _start + 32, "toBytes32_outOfBounds"); bytes32 tempBytes32; assembly { tempBytes32 := mload(add(add(_bytes, 0x20), _start)) } return tempBytes32; } function equal(bytes memory _preBytes, bytes memory _postBytes) internal pure returns (bool) { bool success = true; assembly { let length := mload(_preBytes) // if lengths don't match the arrays are not equal switch eq(length, mload(_postBytes)) case 1 { // cb is a circuit breaker in the for loop since there's // no said feature for inline assembly loops // cb = 1 - don't breaker // cb = 0 - break let cb := 1 let mc := add(_preBytes, 0x20) let end := add(mc, length) for { let cc := add(_postBytes, 0x20) // the next line is the loop condition: // while(uint256(mc < end) + cb == 2) } eq(add(lt(mc, end), cb), 2) { mc := add(mc, 0x20) cc := add(cc, 0x20) } { // if any of these checks fails then arrays are not equal if iszero(eq(mload(mc), mload(cc))) { // unsuccess: success := 0 cb := 0 } } } default { // unsuccess: success := 0 } } return success; } function equal_nonAligned(bytes memory _preBytes, bytes memory _postBytes) internal pure returns (bool) { bool success = true; assembly { let length := mload(_preBytes) // if lengths don't match the arrays are not equal switch eq(length, mload(_postBytes)) case 1 { // cb is a circuit breaker in the for loop since there's // no said feature for inline assembly loops // cb = 1 - don't breaker // cb = 0 - break let cb := 1 let endMinusWord := add(_preBytes, length) let mc := add(_preBytes, 0x20) let cc := add(_postBytes, 0x20) for { // the next line is the loop condition: // while(uint256(mc < endWord) + cb == 2) } eq(add(lt(mc, endMinusWord), cb), 2) { mc := add(mc, 0x20) cc := add(cc, 0x20) } { // if any of these checks fails then arrays are not equal if iszero(eq(mload(mc), mload(cc))) { // unsuccess: success := 0 cb := 0 } } // Only if still successful // For <1 word tail bytes if gt(success, 0) { // Get the remainder of length/32 // length % 32 = AND(length, 32 - 1) let numTailBytes := and(length, 0x1f) let mcRem := mload(mc) let ccRem := mload(cc) for { let i := 0 // the next line is the loop condition: // while(uint256(i < numTailBytes) + cb == 2) } eq(add(lt(i, numTailBytes), cb), 2) { i := add(i, 1) } { if iszero(eq(byte(i, mcRem), byte(i, ccRem))) { // unsuccess: success := 0 cb := 0 } } } } default { // unsuccess: success := 0 } } return success; } function equalStorage( bytes storage _preBytes, bytes memory _postBytes ) internal view returns (bool) { bool success = true; assembly { // we know _preBytes_offset is 0 let fslot := sload(_preBytes.slot) // Decode the length of the stored array like in concatStorage(). let slength := div(and(fslot, sub(mul(0x100, iszero(and(fslot, 1))), 1)), 2) let mlength := mload(_postBytes) // if lengths don't match the arrays are not equal switch eq(slength, mlength) case 1 { // slength can contain both the length and contents of the array // if length < 32 bytes so let's prepare for that // v. http://solidity.readthedocs.io/en/latest/miscellaneous.html#layout-of-state-variables-in-storage if iszero(iszero(slength)) { switch lt(slength, 32) case 1 { // blank the last byte which is the length fslot := mul(div(fslot, 0x100), 0x100) if iszero(eq(fslot, mload(add(_postBytes, 0x20)))) { // unsuccess: success := 0 } } default { // cb is a circuit breaker in the for loop since there's // no said feature for inline assembly loops // cb = 1 - don't breaker // cb = 0 - break let cb := 1 // get the keccak hash to get the contents of the array mstore(0x0, _preBytes.slot) let sc := keccak256(0x0, 0x20) let mc := add(_postBytes, 0x20) let end := add(mc, mlength) // the next line is the loop condition: // while(uint256(mc < end) + cb == 2) for {} eq(add(lt(mc, end), cb), 2) { sc := add(sc, 1) mc := add(mc, 0x20) } { if iszero(eq(sload(sc), mload(mc))) { // unsuccess: success := 0 cb := 0 } } } } } default { // unsuccess: success := 0 } } return success; } }
// SPDX-License-Identifier: BUSL-1.1
pragma solidity 0.8.23;
import "@openzeppelin/contracts/utils/ReentrancyGuard.sol";
import "./interfaces/IBridgeRouter.sol";
import "./libraries/Messages.sol";
abstract contract BridgeMessenger is ReentrancyGuard {
error InvalidBridgeRouter(address router);
error CannotReceiveMessage(bytes32 messageId);
error CannotRetryMessage(bytes32 messageId);
error CannotReverseMessage(bytes32 messageId);
IBridgeRouter internal immutable bridgeRouter;
modifier onlyRouter() {
if (msg.sender != address(bridgeRouter)) revert InvalidBridgeRouter(msg.sender);
_;
}
constructor(IBridgeRouter bridgeRouter_) {
bridgeRouter = bridgeRouter_;
}
function receiveMessage(Messages.MessageReceived memory message) external virtual onlyRouter nonReentrant {
_receiveMessage(message);
}
function retryMessage(
Messages.MessageReceived memory message,
address caller,
bytes memory extraArgs
) external virtual onlyRouter nonReentrant {
_retryMessage(message, caller, extraArgs);
}
function reverseMessage(
Messages.MessageReceived memory message,
address caller,
bytes memory extraArgs
) external virtual onlyRouter nonReentrant {
_reverseMessage(message, caller, extraArgs);
}
function getBridgeRouter() public view returns (address) {
return address(bridgeRouter);
}
function _sendMessage(Messages.MessageToSend memory message, uint256 feeAmount) internal virtual {
bridgeRouter.sendMessage{ value: feeAmount }(message);
}
function _receiveMessage(Messages.MessageReceived memory message) internal virtual;
function _retryMessage(
Messages.MessageReceived memory message,
address caller,
bytes memory extraArgs
) internal virtual;
function _reverseMessage(
Messages.MessageReceived memory message,
address caller,
bytes memory extraArgs
) internal virtual;
}// SPDX-License-Identifier: MIT
pragma solidity 0.8.23;
import "../libraries/Messages.sol";
interface IBridgeAdapter {
event SendMessage(bytes32 operationId, Messages.MessageToSend message);
event ReceiveMessage(bytes32 indexed messageId);
error ChainAlreadyAdded(uint16 chainId);
error ChainUnavailable(uint16 chainId);
error InvalidBridgeRouter(address router);
error InvalidMessageSender(bytes32 sourceAddress);
error InvalidFinalityLevel(uint64 finalityLevel);
error InvalidTokenAddress(bytes32 token);
error InvalidReceivedAmount(uint256 expected, uint256 actual);
error UnsupportedFinalityLevel(uint64 finalityLevel);
error UnsupportedExtraArgs();
error EmptyExtraArgs();
function MANAGER_ROLE() external view returns (bytes32);
function getSendFee(Messages.MessageToSend memory message) external view returns (uint256 fee);
function sendMessage(Messages.MessageToSend memory message) external payable;
/**
* @notice Determine if chain is available to send messages to
* @param chainId destination chain (as defined by Folks)
* @return isAvailable whether is available
*/
function isChainAvailable(uint16 chainId) external view returns (bool);
}// SPDX-License-Identifier: MIT
pragma solidity 0.8.23;
import "./IBridgeAdapter.sol";
import "../libraries/Messages.sol";
interface IBridgeRouter {
function MANAGER_ROLE() external view returns (bytes32);
function MESSAGE_SENDER_ROLE() external view returns (bytes32);
function getAdapter(uint16 adapterId) external view returns (IBridgeAdapter);
function getSendFee(Messages.MessageToSend memory message) external view returns (uint256);
function sendMessage(Messages.MessageToSend memory message) external payable;
function receiveMessage(Messages.MessageReceived memory message) external payable;
}// SPDX-License-Identifier: BUSL-1.1
pragma solidity 0.8.23;
import "@solidity-bytes-utils/contracts/BytesLib.sol";
library Messages {
using BytesLib for bytes;
error InvalidExtraArgsTag();
struct MessageParams {
uint16 adapterId; // where to route message through
uint16 returnAdapterId; // if applicable, where to route message through for return message
uint256 receiverValue; // amount of value to attach for receive message
uint256 gasLimit; // gas limit for receive message
uint256 returnGasLimit; // if applicable, gas limit for return message
}
struct MessageToSend {
Messages.MessageParams params; // message parameters
bytes32 sender; // source address which sent the message
uint16 destinationChainId; // chain to send message to
bytes32 handler; // address to handle the message received
bytes payload; // message payload
uint64 finalityLevel; // zero for immediate, non-zero for finalised
bytes extraArgs;
}
// bytes4(keccak256("Folks ExtraArgsV1));
bytes4 public constant EXTRA_ARGS_V1_TAG = 0x1b366e79;
struct ExtraArgsV1 {
bytes32 token;
bytes32 recipient;
uint256 amount;
}
function extraArgsToBytes(ExtraArgsV1 memory extraArgs) internal pure returns (bytes memory bts) {
return abi.encodeWithSelector(EXTRA_ARGS_V1_TAG, extraArgs);
}
function bytesToExtraArgs(bytes calldata bts) internal pure returns (Messages.ExtraArgsV1 memory extraArgs) {
if (bts.length > 0) {
if (bytes4(bts) != EXTRA_ARGS_V1_TAG) revert InvalidExtraArgsTag();
extraArgs = abi.decode(bts[4:], (Messages.ExtraArgsV1));
}
}
struct MessageReceived {
bytes32 messageId; // uniquie identifier for message when combined with adapter id
uint16 sourceChainId; // chain where message is sent from
bytes32 sourceAddress; // address where message is sent from (e.g. spoke)
bytes32 handler; // address of smart contract (which inherits from BridgeMessenger) to handle message received
bytes payload; // message payload
uint16 returnAdapterId; // if applicable, where to route message through for return message
uint256 returnGasLimit; // if applicable, gas limit for return message
}
function convertEVMAddressToGenericAddress(address addr) internal pure returns (bytes32) {
return bytes32(uint256(uint160(addr)));
}
function convertGenericAddressToEVMAddress(bytes32 addr) internal pure returns (address) {
return address(uint160(uint256(addr)));
}
enum Action {
// SPOKE -> HUB
CreateAccount,
InviteAddress,
AcceptInviteAddress,
UnregisterAddress,
AddDelegate,
RemoveDelegate,
CreateLoan,
DeleteLoan,
CreateLoanAndDeposit,
Deposit,
DepositFToken,
Withdraw,
WithdrawFToken,
Borrow,
Repay,
RepayWithCollateral,
Liquidate,
SwitchBorrowType,
// HUB -> SPOKE
SendToken
}
struct MessagePayload {
Action action;
bytes32 accountId;
bytes32 userAddress;
bytes data;
}
function encodeMessagePayload(MessagePayload memory payload) internal pure returns (bytes memory) {
return abi.encodePacked(uint16(payload.action), payload.accountId, payload.userAddress, payload.data);
}
function decodeActionPayload(bytes memory serialized) internal pure returns (MessagePayload memory payload) {
uint256 index = 0;
payload.action = Action(serialized.toUint16(index));
index += 2;
payload.accountId = serialized.toBytes32(index);
index += 32;
payload.userAddress = serialized.toBytes32(index);
index += 32;
payload.data = serialized.slice(index, serialized.length - index);
}
struct MessageMetadata {
uint16 returnAdapterId;
uint256 returnGasLimit;
bytes32 sender;
bytes32 handler;
}
function encodePayloadWithMetadata(Messages.MessageToSend memory message) internal pure returns (bytes memory) {
return
abi.encodePacked(
message.params.returnAdapterId,
message.params.returnGasLimit,
message.sender,
message.handler,
message.payload
);
}
function decodePayloadWithMetadata(
bytes memory serialized
) internal pure returns (MessageMetadata memory metadata, bytes memory payload) {
uint256 index = 0;
metadata.returnAdapterId = serialized.toUint16(index);
index += 2;
metadata.returnGasLimit = serialized.toUint256(index);
index += 32;
metadata.sender = serialized.toBytes32(index);
index += 32;
metadata.handler = serialized.toBytes32(index);
index += 32;
payload = serialized.slice(index, serialized.length - index);
}
}// SPDX-License-Identifier: MIT
pragma solidity 0.8.23;
interface IAddressOracle {
error AddressIneligible(address addr, uint16 action);
function isEligible(address addr, uint16 action) external view returns (bool);
}// SPDX-License-Identifier: BUSL-1.1
pragma solidity 0.8.23;
import "@openzeppelin/contracts/access/extensions/AccessControlDefaultAdminRules.sol";
import "./interfaces/IAddressOracle.sol";
contract SpokeState is AccessControlDefaultAdminRules {
struct Hub {
uint16 chainId;
bytes32 contractAddress;
}
bytes32 public constant CONFIG_CONTRACTS_ROLE = keccak256("CONFIG_CONTRACTS");
Hub internal _hub;
IAddressOracle internal _addressOracle;
constructor(
address admin,
uint16 hubChainId,
bytes32 hubContractAddress,
IAddressOracle addressOracle_
) AccessControlDefaultAdminRules(1 days, admin) {
_setHub(hubChainId, hubContractAddress);
_setAddressOracle(addressOracle_);
_grantRole(CONFIG_CONTRACTS_ROLE, admin);
}
function setHub(uint16 chainId, bytes32 contractAddress) external onlyRole(CONFIG_CONTRACTS_ROLE) {
_setHub(chainId, contractAddress);
}
function setAddressOracle(IAddressOracle newAddressOracle) external onlyRole(CONFIG_CONTRACTS_ROLE) {
_setAddressOracle(newAddressOracle);
}
function _setHub(uint16 chainId, bytes32 contractAddress) internal {
_hub = SpokeState.Hub({ chainId: chainId, contractAddress: contractAddress });
}
function _setAddressOracle(IAddressOracle newAddressOracle) internal {
_addressOracle = newAddressOracle;
}
function getHubChainId() public view returns (uint16) {
return _hub.chainId;
}
function getHubContractAddress() public view returns (bytes32) {
return _hub.contractAddress;
}
function getAddressOracle() public view returns (address) {
return address(_addressOracle);
}
}{
"evmVersion": "paris",
"optimizer": {
"enabled": true,
"runs": 200
},
"outputSelection": {
"*": {
"*": [
"evm.bytecode",
"evm.deployedBytecode",
"devdoc",
"userdoc",
"metadata",
"abi"
]
}
},
"metadata": {
"useLiteralContent": true
},
"libraries": {}
}Contract Security Audit
- No Contract Security Audit Submitted- Submit Audit Here
Contract ABI
API[{"inputs":[{"internalType":"address","name":"admin","type":"address"},{"internalType":"contract IBridgeRouter","name":"bridgeRouter","type":"address"},{"internalType":"uint16","name":"hubChainId","type":"uint16"},{"internalType":"bytes32","name":"hubContractAddress","type":"bytes32"},{"internalType":"contract IAddressOracle","name":"addressOracle","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[],"name":"AccessControlBadConfirmation","type":"error"},{"inputs":[{"internalType":"uint48","name":"schedule","type":"uint48"}],"name":"AccessControlEnforcedDefaultAdminDelay","type":"error"},{"inputs":[],"name":"AccessControlEnforcedDefaultAdminRules","type":"error"},{"inputs":[{"internalType":"address","name":"defaultAdmin","type":"address"}],"name":"AccessControlInvalidDefaultAdmin","type":"error"},{"inputs":[{"internalType":"address","name":"account","type":"address"},{"internalType":"bytes32","name":"neededRole","type":"bytes32"}],"name":"AccessControlUnauthorizedAccount","type":"error"},{"inputs":[{"internalType":"address","name":"addr","type":"address"},{"internalType":"uint16","name":"action","type":"uint16"}],"name":"AddressIneligible","type":"error"},{"inputs":[{"internalType":"bytes32","name":"messageId","type":"bytes32"}],"name":"CannotReceiveMessage","type":"error"},{"inputs":[{"internalType":"bytes32","name":"messageId","type":"bytes32"}],"name":"CannotRetryMessage","type":"error"},{"inputs":[{"internalType":"bytes32","name":"messageId","type":"bytes32"}],"name":"CannotReverseMessage","type":"error"},{"inputs":[{"internalType":"address","name":"router","type":"address"}],"name":"InvalidBridgeRouter","type":"error"},{"inputs":[],"name":"ReentrancyGuardReentrantCall","type":"error"},{"inputs":[{"internalType":"uint8","name":"bits","type":"uint8"},{"internalType":"uint256","name":"value","type":"uint256"}],"name":"SafeCastOverflowedUintDowncast","type":"error"},{"anonymous":false,"inputs":[],"name":"DefaultAdminDelayChangeCanceled","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint48","name":"newDelay","type":"uint48"},{"indexed":false,"internalType":"uint48","name":"effectSchedule","type":"uint48"}],"name":"DefaultAdminDelayChangeScheduled","type":"event"},{"anonymous":false,"inputs":[],"name":"DefaultAdminTransferCanceled","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"newAdmin","type":"address"},{"indexed":false,"internalType":"uint48","name":"acceptSchedule","type":"uint48"}],"name":"DefaultAdminTransferScheduled","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"bytes32","name":"role","type":"bytes32"},{"indexed":true,"internalType":"bytes32","name":"previousAdminRole","type":"bytes32"},{"indexed":true,"internalType":"bytes32","name":"newAdminRole","type":"bytes32"}],"name":"RoleAdminChanged","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"bytes32","name":"role","type":"bytes32"},{"indexed":true,"internalType":"address","name":"account","type":"address"},{"indexed":true,"internalType":"address","name":"sender","type":"address"}],"name":"RoleGranted","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"bytes32","name":"role","type":"bytes32"},{"indexed":true,"internalType":"address","name":"account","type":"address"},{"indexed":true,"internalType":"address","name":"sender","type":"address"}],"name":"RoleRevoked","type":"event"},{"inputs":[],"name":"CONFIG_CONTRACTS_ROLE","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"DEFAULT_ADMIN_ROLE","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"acceptDefaultAdminTransfer","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"components":[{"internalType":"uint16","name":"adapterId","type":"uint16"},{"internalType":"uint16","name":"returnAdapterId","type":"uint16"},{"internalType":"uint256","name":"receiverValue","type":"uint256"},{"internalType":"uint256","name":"gasLimit","type":"uint256"},{"internalType":"uint256","name":"returnGasLimit","type":"uint256"}],"internalType":"struct Messages.MessageParams","name":"params","type":"tuple"},{"internalType":"bytes32","name":"accountId","type":"bytes32"}],"name":"acceptInviteAddress","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"components":[{"internalType":"uint16","name":"adapterId","type":"uint16"},{"internalType":"uint16","name":"returnAdapterId","type":"uint16"},{"internalType":"uint256","name":"receiverValue","type":"uint256"},{"internalType":"uint256","name":"gasLimit","type":"uint256"},{"internalType":"uint256","name":"returnGasLimit","type":"uint256"}],"internalType":"struct Messages.MessageParams","name":"params","type":"tuple"},{"internalType":"bytes32","name":"accountId","type":"bytes32"},{"internalType":"bytes32","name":"addr","type":"bytes32"}],"name":"addDelegate","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"newAdmin","type":"address"}],"name":"beginDefaultAdminTransfer","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"components":[{"internalType":"uint16","name":"adapterId","type":"uint16"},{"internalType":"uint16","name":"returnAdapterId","type":"uint16"},{"internalType":"uint256","name":"receiverValue","type":"uint256"},{"internalType":"uint256","name":"gasLimit","type":"uint256"},{"internalType":"uint256","name":"returnGasLimit","type":"uint256"}],"internalType":"struct Messages.MessageParams","name":"params","type":"tuple"},{"internalType":"bytes32","name":"accountId","type":"bytes32"},{"internalType":"bytes32","name":"loanId","type":"bytes32"},{"internalType":"uint8","name":"poolId","type":"uint8"},{"internalType":"uint16","name":"chainId","type":"uint16"},{"internalType":"uint256","name":"amount","type":"uint256"},{"internalType":"uint256","name":"maxStableRate","type":"uint256"}],"name":"borrow","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[],"name":"cancelDefaultAdminTransfer","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint48","name":"newDelay","type":"uint48"}],"name":"changeDefaultAdminDelay","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"components":[{"internalType":"uint16","name":"adapterId","type":"uint16"},{"internalType":"uint16","name":"returnAdapterId","type":"uint16"},{"internalType":"uint256","name":"receiverValue","type":"uint256"},{"internalType":"uint256","name":"gasLimit","type":"uint256"},{"internalType":"uint256","name":"returnGasLimit","type":"uint256"}],"internalType":"struct Messages.MessageParams","name":"params","type":"tuple"},{"internalType":"bytes32","name":"accountId","type":"bytes32"},{"internalType":"bytes4","name":"nonce","type":"bytes4"},{"internalType":"bytes32","name":"refAccountId","type":"bytes32"}],"name":"createAccount","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"components":[{"internalType":"uint16","name":"adapterId","type":"uint16"},{"internalType":"uint16","name":"returnAdapterId","type":"uint16"},{"internalType":"uint256","name":"receiverValue","type":"uint256"},{"internalType":"uint256","name":"gasLimit","type":"uint256"},{"internalType":"uint256","name":"returnGasLimit","type":"uint256"}],"internalType":"struct Messages.MessageParams","name":"params","type":"tuple"},{"internalType":"bytes32","name":"accountId","type":"bytes32"},{"internalType":"bytes4","name":"nonce","type":"bytes4"},{"internalType":"uint16","name":"loanTypeId","type":"uint16"},{"internalType":"bytes32","name":"loanName","type":"bytes32"}],"name":"createLoan","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[],"name":"defaultAdmin","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"defaultAdminDelay","outputs":[{"internalType":"uint48","name":"","type":"uint48"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"defaultAdminDelayIncreaseWait","outputs":[{"internalType":"uint48","name":"","type":"uint48"}],"stateMutability":"view","type":"function"},{"inputs":[{"components":[{"internalType":"uint16","name":"adapterId","type":"uint16"},{"internalType":"uint16","name":"returnAdapterId","type":"uint16"},{"internalType":"uint256","name":"receiverValue","type":"uint256"},{"internalType":"uint256","name":"gasLimit","type":"uint256"},{"internalType":"uint256","name":"returnGasLimit","type":"uint256"}],"internalType":"struct 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Messages.MessageParams","name":"params","type":"tuple"},{"internalType":"bytes32","name":"accountId","type":"bytes32"},{"internalType":"uint16","name":"chainId","type":"uint16"},{"internalType":"bytes32","name":"addr","type":"bytes32"},{"internalType":"bytes32","name":"refAccountId","type":"bytes32"}],"name":"inviteAddress","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"pendingDefaultAdmin","outputs":[{"internalType":"address","name":"newAdmin","type":"address"},{"internalType":"uint48","name":"schedule","type":"uint48"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"pendingDefaultAdminDelay","outputs":[{"internalType":"uint48","name":"newDelay","type":"uint48"},{"internalType":"uint48","name":"schedule","type":"uint48"}],"stateMutability":"view","type":"function"},{"inputs":[{"components":[{"internalType":"bytes32","name":"messageId","type":"bytes32"},{"internalType":"uint16","name":"sourceChainId","type":"uint16"},{"internalType":"bytes32","name":"sourceAddress","type":"bytes32"},{"internalType":"bytes32","name":"handler","type":"bytes32"},{"internalType":"bytes","name":"payload","type":"bytes"},{"internalType":"uint16","name":"returnAdapterId","type":"uint16"},{"internalType":"uint256","name":"returnGasLimit","type":"uint256"}],"internalType":"struct Messages.MessageReceived","name":"message","type":"tuple"}],"name":"receiveMessage","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"components":[{"internalType":"uint16","name":"adapterId","type":"uint16"},{"internalType":"uint16","name":"returnAdapterId","type":"uint16"},{"internalType":"uint256","name":"receiverValue","type":"uint256"},{"internalType":"uint256","name":"gasLimit","type":"uint256"},{"internalType":"uint256","name":"returnGasLimit","type":"uint256"}],"internalType":"struct Messages.MessageParams","name":"params","type":"tuple"},{"internalType":"bytes32","name":"accountId","type":"bytes32"},{"internalType":"bytes32","name":"addr","type":"bytes32"}],"name":"removeDelegate","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"bytes32","name":"role","type":"bytes32"},{"internalType":"address","name":"account","type":"address"}],"name":"renounceRole","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"components":[{"internalType":"uint16","name":"adapterId","type":"uint16"},{"internalType":"uint16","name":"returnAdapterId","type":"uint16"},{"internalType":"uint256","name":"receiverValue","type":"uint256"},{"internalType":"uint256","name":"gasLimit","type":"uint256"},{"internalType":"uint256","name":"returnGasLimit","type":"uint256"}],"internalType":"struct Messages.MessageParams","name":"params","type":"tuple"},{"internalType":"bytes32","name":"accountId","type":"bytes32"},{"internalType":"bytes32","name":"loanId","type":"bytes32"},{"internalType":"uint8","name":"poolId","type":"uint8"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"repayWithCollateral","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"components":[{"internalType":"bytes32","name":"messageId","type":"bytes32"},{"internalType":"uint16","name":"sourceChainId","type":"uint16"},{"internalType":"bytes32","name":"sourceAddress","type":"bytes32"},{"internalType":"bytes32","name":"handler","type":"bytes32"},{"internalType":"bytes","name":"payload","type":"bytes"},{"internalType":"uint16","name":"returnAdapterId","type":"uint16"},{"internalType":"uint256","name":"returnGasLimit","type":"uint256"}],"internalType":"struct Messages.MessageReceived","name":"message","type":"tuple"},{"internalType":"address","name":"caller","type":"address"},{"internalType":"bytes","name":"extraArgs","type":"bytes"}],"name":"retryMessage","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"components":[{"internalType":"bytes32","name":"messageId","type":"bytes32"},{"internalType":"uint16","name":"sourceChainId","type":"uint16"},{"internalType":"bytes32","name":"sourceAddress","type":"bytes32"},{"internalType":"bytes32","name":"handler","type":"bytes32"},{"internalType":"bytes","name":"payload","type":"bytes"},{"internalType":"uint16","name":"returnAdapterId","type":"uint16"},{"internalType":"uint256","name":"returnGasLimit","type":"uint256"}],"internalType":"struct Messages.MessageReceived","name":"message","type":"tuple"},{"internalType":"address","name":"caller","type":"address"},{"internalType":"bytes","name":"extraArgs","type":"bytes"}],"name":"reverseMessage","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes32","name":"role","type":"bytes32"},{"internalType":"address","name":"account","type":"address"}],"name":"revokeRole","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"rollbackDefaultAdminDelay","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"contract IAddressOracle","name":"newAddressOracle","type":"address"}],"name":"setAddressOracle","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"uint16","name":"chainId","type":"uint16"},{"internalType":"bytes32","name":"contractAddress","type":"bytes32"}],"name":"setHub","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bytes4","name":"interfaceId","type":"bytes4"}],"name":"supportsInterface","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[{"components":[{"internalType":"uint16","name":"adapterId","type":"uint16"},{"internalType":"uint16","name":"returnAdapterId","type":"uint16"},{"internalType":"uint256","name":"receiverValue","type":"uint256"},{"internalType":"uint256","name":"gasLimit","type":"uint256"},{"internalType":"uint256","name":"returnGasLimit","type":"uint256"}],"internalType":"struct Messages.MessageParams","name":"params","type":"tuple"},{"internalType":"bytes32","name":"accountId","type":"bytes32"},{"internalType":"bytes32","name":"loanId","type":"bytes32"},{"internalType":"uint8","name":"poolId","type":"uint8"},{"internalType":"uint256","name":"maxStableRate","type":"uint256"}],"name":"switchBorrowType","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"components":[{"internalType":"uint16","name":"adapterId","type":"uint16"},{"internalType":"uint16","name":"returnAdapterId","type":"uint16"},{"internalType":"uint256","name":"receiverValue","type":"uint256"},{"internalType":"uint256","name":"gasLimit","type":"uint256"},{"internalType":"uint256","name":"returnGasLimit","type":"uint256"}],"internalType":"struct Messages.MessageParams","name":"params","type":"tuple"},{"internalType":"bytes32","name":"accountId","type":"bytes32"},{"internalType":"uint16","name":"chainId","type":"uint16"}],"name":"unregisterAddress","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"components":[{"internalType":"uint16","name":"adapterId","type":"uint16"},{"internalType":"uint16","name":"returnAdapterId","type":"uint16"},{"internalType":"uint256","name":"receiverValue","type":"uint256"},{"internalType":"uint256","name":"gasLimit","type":"uint256"},{"internalType":"uint256","name":"returnGasLimit","type":"uint256"}],"internalType":"struct Messages.MessageParams","name":"params","type":"tuple"},{"internalType":"bytes32","name":"accountId","type":"bytes32"},{"internalType":"bytes32","name":"loanId","type":"bytes32"},{"internalType":"uint8","name":"poolId","type":"uint8"},{"internalType":"uint16","name":"chainId","type":"uint16"},{"internalType":"uint256","name":"amount","type":"uint256"},{"internalType":"bool","name":"isFAmount","type":"bool"}],"name":"withdraw","outputs":[],"stateMutability":"payable","type":"function"}]Contract Creation Code
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Constructor Arguments (ABI-Encoded and is the last bytes of the Contract Creation Code above)
000000000000000000000000ea94e11fad45675b3ed9102b8565ea7121984eb6000000000000000000000000fc828c500c90e63134b2b73537cc6cadff4ce6950000000000000000000000000000000000000000000000000000000000000064000000000000000000000000b39c03297e87032ff69f4d42a6698e4c4a9344490000000000000000000000000b2ef2abd21c1c25a64849f1e0ed9ffa40a1d5e0
-----Decoded View---------------
Arg [0] : admin (address): 0xEa94E11fAd45675B3ED9102b8565ea7121984EB6
Arg [1] : bridgeRouter (address): 0xFc828C500c90E63134B2B73537cC6cADfF4Ce695
Arg [2] : hubChainId (uint16): 100
Arg [3] : hubContractAddress (bytes32): 0x000000000000000000000000b39c03297e87032ff69f4d42a6698e4c4a934449
Arg [4] : addressOracle (address): 0x0b2Ef2aBd21C1c25A64849F1E0Ed9ffa40A1d5E0
-----Encoded View---------------
5 Constructor Arguments found :
Arg [0] : 000000000000000000000000ea94e11fad45675b3ed9102b8565ea7121984eb6
Arg [1] : 000000000000000000000000fc828c500c90e63134b2b73537cc6cadff4ce695
Arg [2] : 0000000000000000000000000000000000000000000000000000000000000064
Arg [3] : 000000000000000000000000b39c03297e87032ff69f4d42a6698e4c4a934449
Arg [4] : 0000000000000000000000000b2ef2abd21c1c25a64849f1e0ed9ffa40a1d5e0
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Net Worth in USD
$0.00
Net Worth in ETH
0
Multichain Portfolio | 33 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.