Transaction Hash:
Block:
23712309 at Nov-02-2025 02:43:11 PM +UTC
Transaction Fee:
0.000118994618106875 ETH
$0.23
Gas Used:
141,175 Gas / 0.842887325 Gwei
Emitted Events:
| 92 |
0x13239c268beddd88ad0cb02050d3ff6a9d00de6d.0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef( 0xddf252ad1be2c89b69c2b068fc378daa952ba7f163c4a11628f55a4df523b3ef, 0x000000000000000000000000ccbd08746816de921ca91611d277a90ab083bc7a, 0x00000000000000000000000005b50fea12da0635f83696cb403439b04f0e0c55, 00000000000000000000000000000000000000000000003df64fbc205f7c0000 )
|
Account State Difference:
| Address | Before | After | State Difference | ||
|---|---|---|---|---|---|
| 0x05B50fea...04F0e0C55 |
0.018464046392644921 Eth
Nonce: 0
|
0.018295051774538046 Eth
Nonce: 1
| 0.000168994618106875 | ||
| 0x13239C26...a9d00de6D | |||||
|
0x18bb8969...c12f1b290
Miner
| 3.262112393169445917 Eth | 3.262182980669445917 Eth | 0.0000705875 | ||
| 0x2c6f1e10...A464633b9 | 26.68382 Eth | 26.68387 Eth | 0.00005 | ||
| 0xCCBd0874...AB083bc7A |
Execution Trace
ETH 0.00005
0xccbd08746816de921ca91611d277a90ab083bc7a.69659658( )
ETH 0.00005
0x85a530f3c0be16e895cfc935350480afb7215b4b.69659658( )-
Null: 0x000...001.a9dc6783( ) BOS: BOS Token.a9059cbb( )
-
0xba4f5ddf715b95abf861604a83a046be7b16df49.a9059cbb( )
-
-
0xed09c23677d02f4f486e55f0f081cfc114eea53b.cb5cd391( ) 0xed09c23677d02f4f486e55f0f081cfc114eea53b.16605a0d( )-
TTFeeCollector.getFeeToken( unlockerAddress=0xCCBd08746816DE921Ca91611D277A90AB083bc7A ) => ( tokenAddress=0x0000000000000000000000000000000000000000 )
-
- ETH 0.00005
TTFeeCollector.CALL( )
-
// SPDX-License-Identifier: AGPL v3
pragma solidity ^0.8.20;
import { ITTFeeCollector } from "../interfaces/ITTFeeCollector.sol";
import { Ownable } from "solady/auth/Ownable.sol";
import { IERC20 } from "@openzeppelin-contracts/interfaces/IERC20.sol";
import { SafeERC20 } from "@openzeppelin-contracts/token/ERC20/utils/SafeERC20.sol";
import { Initializable } from "solady/utils/Initializable.sol";
import { ITTCreate3Initializable } from "../interfaces/ITTCreate3Initializable.sol";
contract TTFeeCollector is ITTCreate3Initializable, ITTFeeCollector, Ownable, Initializable {
using SafeERC20 for IERC20;
uint256 public constant BIPS_PRECISION = 10 ** 4;
uint256 public constant MAX_FEE_BIPS = 10 ** 3;
uint256 public defaultFee; // Default fee is nothing is set
address public defaultFeeToken;
mapping(address => address) public customFeeTokens;
mapping(address => uint256) internal _customFeesBips;
mapping(address => uint256) internal _customFeesFixed;
function initialize(address owner) external initializer {
_initializeOwner(owner);
}
receive() external payable { }
function withdrawFee(IERC20 token, uint256 amount) external onlyOwner {
if (address(token) == address(0)) {
(bool success, bytes memory data) = owner().call{ value: amount }("");
// solhint-disable-next-line gas-custom-errors
require(success, string(data));
} else {
token.safeTransfer(owner(), amount);
}
}
function setDefaultFee(uint256 fee) external onlyOwner {
defaultFee = fee;
emit DefaultFeeSet(fee);
}
/// @dev Setting bips to MAX_FEE_BIPS means 0 fees, so technically the MAX_FEE_BIPS is MAX_FEE_BIPS - 1
function setCustomFeeBips(address unlockerAddress, uint256 bips) external onlyOwner {
if (bips > MAX_FEE_BIPS) revert FeesTooHigh();
_customFeesBips[unlockerAddress] = bips;
emit CustomFeeSetBips(unlockerAddress, bips);
}
function setCustomFeeFixed(address unlockerAddress, uint256 fixedFee) external onlyOwner {
/// Not capping a MAX_FEE for fixed fee since it cannot apply equally to all token values
_customFeesFixed[unlockerAddress] = fixedFee;
emit CustomFeeSetFixed(unlockerAddress, fixedFee);
}
function setDefaultFeeToken(address tokenAddress) external onlyOwner {
defaultFeeToken = tokenAddress;
}
function setCustomFeeToken(address unlockerAddress, address tokenAddress) external onlyOwner {
customFeeTokens[unlockerAddress] = tokenAddress;
}
function getFee(
address unlockerAddress,
uint256 tokenTransferred
)
external
view
override
returns (uint256 tokensCollected)
{
if (tokenTransferred == 0) return 0;
uint256 feeFixed = _customFeesFixed[unlockerAddress];
// If there is a fixed fee, return that fee immediately without checking bips fee
if (feeFixed > 0) {
return feeFixed;
}
uint256 feeBips = _customFeesBips[unlockerAddress];
// If there is no fixed custom fee or custom fee bips, then return default fee
if (feeBips == 0) {
return defaultFee;
} else if (feeBips == MAX_FEE_BIPS) {
feeBips = 0;
}
tokensCollected = (tokenTransferred * feeBips) / BIPS_PRECISION;
}
function getFeeToken(address unlockerAddress) external view override returns (address tokenAddress) {
tokenAddress = customFeeTokens[unlockerAddress];
if (tokenAddress == address(0)) {
tokenAddress = defaultFeeToken;
}
}
function version() external pure returns (string memory) {
return "2.7.1-TTFeeCollector";
}
}
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.20;
/**
* @title ITTFeeCollector
* @author Jack Xu @ Sign
* @dev This contract handles TokenTable service fee calculation.
*/
interface ITTFeeCollector {
event DefaultFeeSetBips(uint256 bips);
event DefaultFeeSet(uint256 fee);
event CustomFeeSetBips(address unlockerAddress, uint256 bips);
event CustomFeeSetFixed(address unlockerAddress, uint256 fixedFee);
/**
* @dev 0xc9034e18
*/
error FeesTooHigh();
/**
* @notice Returns the amount of fees to collect. A fixed fee will always override a dynamic fee.
* @param unlockerAddress The address of the Unlocker (or any contract that uses the fee collector). Used to fetch
* pricing.
* @param tokenTransferred The number of tokens transferred.
* @return tokensCollected The number of tokens to collect as fees.
*/
function getFee(
address unlockerAddress,
uint256 tokenTransferred
)
external
view
returns (uint256 tokensCollected);
/**
* @notice Returns the fee token address.
* @param unlockerAddress The address of the Unlocker (or any contract that uses the fee collector). Used to fetch
* pricing.
*/
function getFeeToken(address unlockerAddress) external view returns (address tokenAddress);
}
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.4;
/// @notice Simple single owner authorization mixin.
/// @author Solady (https://github.com/vectorized/solady/blob/main/src/auth/Ownable.sol)
///
/// @dev Note:
/// This implementation does NOT auto-initialize the owner to `msg.sender`.
/// You MUST call the `_initializeOwner` in the constructor / initializer.
///
/// While the ownable portion follows
/// [EIP-173](https://eips.ethereum.org/EIPS/eip-173) for compatibility,
/// the nomenclature for the 2-step ownership handover may be unique to this codebase.
abstract contract Ownable {
/*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/
/* CUSTOM ERRORS */
/*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/
/// @dev The caller is not authorized to call the function.
error Unauthorized();
/// @dev The `newOwner` cannot be the zero address.
error NewOwnerIsZeroAddress();
/// @dev The `pendingOwner` does not have a valid handover request.
error NoHandoverRequest();
/// @dev Cannot double-initialize.
error AlreadyInitialized();
/*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/
/* EVENTS */
/*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/
/// @dev The ownership is transferred from `oldOwner` to `newOwner`.
/// This event is intentionally kept the same as OpenZeppelin's Ownable to be
/// compatible with indexers and [EIP-173](https://eips.ethereum.org/EIPS/eip-173),
/// despite it not being as lightweight as a single argument event.
event OwnershipTransferred(address indexed oldOwner, address indexed newOwner);
/// @dev An ownership handover to `pendingOwner` has been requested.
event OwnershipHandoverRequested(address indexed pendingOwner);
/// @dev The ownership handover to `pendingOwner` has been canceled.
event OwnershipHandoverCanceled(address indexed pendingOwner);
/// @dev `keccak256(bytes("OwnershipTransferred(address,address)"))`.
uint256 private constant _OWNERSHIP_TRANSFERRED_EVENT_SIGNATURE =
0x8be0079c531659141344cd1fd0a4f28419497f9722a3daafe3b4186f6b6457e0;
/// @dev `keccak256(bytes("OwnershipHandoverRequested(address)"))`.
uint256 private constant _OWNERSHIP_HANDOVER_REQUESTED_EVENT_SIGNATURE =
0xdbf36a107da19e49527a7176a1babf963b4b0ff8cde35ee35d6cd8f1f9ac7e1d;
/// @dev `keccak256(bytes("OwnershipHandoverCanceled(address)"))`.
uint256 private constant _OWNERSHIP_HANDOVER_CANCELED_EVENT_SIGNATURE =
0xfa7b8eab7da67f412cc9575ed43464468f9bfbae89d1675917346ca6d8fe3c92;
/*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/
/* STORAGE */
/*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/
/// @dev The owner slot is given by:
/// `bytes32(~uint256(uint32(bytes4(keccak256("_OWNER_SLOT_NOT")))))`.
/// It is intentionally chosen to be a high value
/// to avoid collision with lower slots.
/// The choice of manual storage layout is to enable compatibility
/// with both regular and upgradeable contracts.
bytes32 internal constant _OWNER_SLOT =
0xffffffffffffffffffffffffffffffffffffffffffffffffffffffff74873927;
/// The ownership handover slot of `newOwner` is given by:
/// ```
/// mstore(0x00, or(shl(96, user), _HANDOVER_SLOT_SEED))
/// let handoverSlot := keccak256(0x00, 0x20)
/// ```
/// It stores the expiry timestamp of the two-step ownership handover.
uint256 private constant _HANDOVER_SLOT_SEED = 0x389a75e1;
/*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/
/* INTERNAL FUNCTIONS */
/*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/
/// @dev Override to return true to make `_initializeOwner` prevent double-initialization.
function _guardInitializeOwner() internal pure virtual returns (bool guard) {}
/// @dev Initializes the owner directly without authorization guard.
/// This function must be called upon initialization,
/// regardless of whether the contract is upgradeable or not.
/// This is to enable generalization to both regular and upgradeable contracts,
/// and to save gas in case the initial owner is not the caller.
/// For performance reasons, this function will not check if there
/// is an existing owner.
function _initializeOwner(address newOwner) internal virtual {
if (_guardInitializeOwner()) {
/// @solidity memory-safe-assembly
assembly {
let ownerSlot := _OWNER_SLOT
if sload(ownerSlot) {
mstore(0x00, 0x0dc149f0) // `AlreadyInitialized()`.
revert(0x1c, 0x04)
}
// Clean the upper 96 bits.
newOwner := shr(96, shl(96, newOwner))
// Store the new value.
sstore(ownerSlot, or(newOwner, shl(255, iszero(newOwner))))
// Emit the {OwnershipTransferred} event.
log3(0, 0, _OWNERSHIP_TRANSFERRED_EVENT_SIGNATURE, 0, newOwner)
}
} else {
/// @solidity memory-safe-assembly
assembly {
// Clean the upper 96 bits.
newOwner := shr(96, shl(96, newOwner))
// Store the new value.
sstore(_OWNER_SLOT, newOwner)
// Emit the {OwnershipTransferred} event.
log3(0, 0, _OWNERSHIP_TRANSFERRED_EVENT_SIGNATURE, 0, newOwner)
}
}
}
/// @dev Sets the owner directly without authorization guard.
function _setOwner(address newOwner) internal virtual {
if (_guardInitializeOwner()) {
/// @solidity memory-safe-assembly
assembly {
let ownerSlot := _OWNER_SLOT
// Clean the upper 96 bits.
newOwner := shr(96, shl(96, newOwner))
// Emit the {OwnershipTransferred} event.
log3(0, 0, _OWNERSHIP_TRANSFERRED_EVENT_SIGNATURE, sload(ownerSlot), newOwner)
// Store the new value.
sstore(ownerSlot, or(newOwner, shl(255, iszero(newOwner))))
}
} else {
/// @solidity memory-safe-assembly
assembly {
let ownerSlot := _OWNER_SLOT
// Clean the upper 96 bits.
newOwner := shr(96, shl(96, newOwner))
// Emit the {OwnershipTransferred} event.
log3(0, 0, _OWNERSHIP_TRANSFERRED_EVENT_SIGNATURE, sload(ownerSlot), newOwner)
// Store the new value.
sstore(ownerSlot, newOwner)
}
}
}
/// @dev Throws if the sender is not the owner.
function _checkOwner() internal view virtual {
/// @solidity memory-safe-assembly
assembly {
// If the caller is not the stored owner, revert.
if iszero(eq(caller(), sload(_OWNER_SLOT))) {
mstore(0x00, 0x82b42900) // `Unauthorized()`.
revert(0x1c, 0x04)
}
}
}
/// @dev Returns how long a two-step ownership handover is valid for in seconds.
/// Override to return a different value if needed.
/// Made internal to conserve bytecode. Wrap it in a public function if needed.
function _ownershipHandoverValidFor() internal view virtual returns (uint64) {
return 48 * 3600;
}
/*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/
/* PUBLIC UPDATE FUNCTIONS */
/*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/
/// @dev Allows the owner to transfer the ownership to `newOwner`.
function transferOwnership(address newOwner) public payable virtual onlyOwner {
/// @solidity memory-safe-assembly
assembly {
if iszero(shl(96, newOwner)) {
mstore(0x00, 0x7448fbae) // `NewOwnerIsZeroAddress()`.
revert(0x1c, 0x04)
}
}
_setOwner(newOwner);
}
/// @dev Allows the owner to renounce their ownership.
function renounceOwnership() public payable virtual onlyOwner {
_setOwner(address(0));
}
/// @dev Request a two-step ownership handover to the caller.
/// The request will automatically expire in 48 hours (172800 seconds) by default.
function requestOwnershipHandover() public payable virtual {
unchecked {
uint256 expires = block.timestamp + _ownershipHandoverValidFor();
/// @solidity memory-safe-assembly
assembly {
// Compute and set the handover slot to `expires`.
mstore(0x0c, _HANDOVER_SLOT_SEED)
mstore(0x00, caller())
sstore(keccak256(0x0c, 0x20), expires)
// Emit the {OwnershipHandoverRequested} event.
log2(0, 0, _OWNERSHIP_HANDOVER_REQUESTED_EVENT_SIGNATURE, caller())
}
}
}
/// @dev Cancels the two-step ownership handover to the caller, if any.
function cancelOwnershipHandover() public payable virtual {
/// @solidity memory-safe-assembly
assembly {
// Compute and set the handover slot to 0.
mstore(0x0c, _HANDOVER_SLOT_SEED)
mstore(0x00, caller())
sstore(keccak256(0x0c, 0x20), 0)
// Emit the {OwnershipHandoverCanceled} event.
log2(0, 0, _OWNERSHIP_HANDOVER_CANCELED_EVENT_SIGNATURE, caller())
}
}
/// @dev Allows the owner to complete the two-step ownership handover to `pendingOwner`.
/// Reverts if there is no existing ownership handover requested by `pendingOwner`.
function completeOwnershipHandover(address pendingOwner) public payable virtual onlyOwner {
/// @solidity memory-safe-assembly
assembly {
// Compute and set the handover slot to 0.
mstore(0x0c, _HANDOVER_SLOT_SEED)
mstore(0x00, pendingOwner)
let handoverSlot := keccak256(0x0c, 0x20)
// If the handover does not exist, or has expired.
if gt(timestamp(), sload(handoverSlot)) {
mstore(0x00, 0x6f5e8818) // `NoHandoverRequest()`.
revert(0x1c, 0x04)
}
// Set the handover slot to 0.
sstore(handoverSlot, 0)
}
_setOwner(pendingOwner);
}
/*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/
/* PUBLIC READ FUNCTIONS */
/*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/
/// @dev Returns the owner of the contract.
function owner() public view virtual returns (address result) {
/// @solidity memory-safe-assembly
assembly {
result := sload(_OWNER_SLOT)
}
}
/// @dev Returns the expiry timestamp for the two-step ownership handover to `pendingOwner`.
function ownershipHandoverExpiresAt(address pendingOwner)
public
view
virtual
returns (uint256 result)
{
/// @solidity memory-safe-assembly
assembly {
// Compute the handover slot.
mstore(0x0c, _HANDOVER_SLOT_SEED)
mstore(0x00, pendingOwner)
// Load the handover slot.
result := sload(keccak256(0x0c, 0x20))
}
}
/*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/
/* MODIFIERS */
/*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/
/// @dev Marks a function as only callable by the owner.
modifier onlyOwner() virtual {
_checkOwner();
_;
}
}
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (interfaces/IERC20.sol)
pragma solidity ^0.8.20;
import {IERC20} from "../token/ERC20/IERC20.sol";
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.3.0) (token/ERC20/utils/SafeERC20.sol)
pragma solidity ^0.8.20;
import {IERC20} from "../IERC20.sol";
import {IERC1363} from "../../../interfaces/IERC1363.sol";
/**
* @title SafeERC20
* @dev Wrappers around ERC-20 operations that throw on failure (when the token
* contract returns false). Tokens that return no value (and instead revert or
* throw on failure) are also supported, non-reverting calls are assumed to be
* successful.
* To use this library you can add a `using SafeERC20 for IERC20;` statement to your contract,
* which allows you to call the safe operations as `token.safeTransfer(...)`, etc.
*/
library SafeERC20 {
/**
* @dev An operation with an ERC-20 token failed.
*/
error SafeERC20FailedOperation(address token);
/**
* @dev Indicates a failed `decreaseAllowance` request.
*/
error SafeERC20FailedDecreaseAllowance(address spender, uint256 currentAllowance, uint256 requestedDecrease);
/**
* @dev Transfer `value` amount of `token` from the calling contract to `to`. If `token` returns no value,
* non-reverting calls are assumed to be successful.
*/
function safeTransfer(IERC20 token, address to, uint256 value) internal {
_callOptionalReturn(token, abi.encodeCall(token.transfer, (to, value)));
}
/**
* @dev Transfer `value` amount of `token` from `from` to `to`, spending the approval given by `from` to the
* calling contract. If `token` returns no value, non-reverting calls are assumed to be successful.
*/
function safeTransferFrom(IERC20 token, address from, address to, uint256 value) internal {
_callOptionalReturn(token, abi.encodeCall(token.transferFrom, (from, to, value)));
}
/**
* @dev Variant of {safeTransfer} that returns a bool instead of reverting if the operation is not successful.
*/
function trySafeTransfer(IERC20 token, address to, uint256 value) internal returns (bool) {
return _callOptionalReturnBool(token, abi.encodeCall(token.transfer, (to, value)));
}
/**
* @dev Variant of {safeTransferFrom} that returns a bool instead of reverting if the operation is not successful.
*/
function trySafeTransferFrom(IERC20 token, address from, address to, uint256 value) internal returns (bool) {
return _callOptionalReturnBool(token, abi.encodeCall(token.transferFrom, (from, to, value)));
}
/**
* @dev Increase the calling contract's allowance toward `spender` by `value`. If `token` returns no value,
* non-reverting calls are assumed to be successful.
*
* IMPORTANT: If the token implements ERC-7674 (ERC-20 with temporary allowance), and if the "client"
* smart contract uses ERC-7674 to set temporary allowances, then the "client" smart contract should avoid using
* this function. Performing a {safeIncreaseAllowance} or {safeDecreaseAllowance} operation on a token contract
* that has a non-zero temporary allowance (for that particular owner-spender) will result in unexpected behavior.
*/
function safeIncreaseAllowance(IERC20 token, address spender, uint256 value) internal {
uint256 oldAllowance = token.allowance(address(this), spender);
forceApprove(token, spender, oldAllowance + value);
}
/**
* @dev Decrease the calling contract's allowance toward `spender` by `requestedDecrease`. If `token` returns no
* value, non-reverting calls are assumed to be successful.
*
* IMPORTANT: If the token implements ERC-7674 (ERC-20 with temporary allowance), and if the "client"
* smart contract uses ERC-7674 to set temporary allowances, then the "client" smart contract should avoid using
* this function. Performing a {safeIncreaseAllowance} or {safeDecreaseAllowance} operation on a token contract
* that has a non-zero temporary allowance (for that particular owner-spender) will result in unexpected behavior.
*/
function safeDecreaseAllowance(IERC20 token, address spender, uint256 requestedDecrease) internal {
unchecked {
uint256 currentAllowance = token.allowance(address(this), spender);
if (currentAllowance < requestedDecrease) {
revert SafeERC20FailedDecreaseAllowance(spender, currentAllowance, requestedDecrease);
}
forceApprove(token, spender, currentAllowance - requestedDecrease);
}
}
/**
* @dev Set the calling contract's allowance toward `spender` to `value`. If `token` returns no value,
* non-reverting calls are assumed to be successful. Meant to be used with tokens that require the approval
* to be set to zero before setting it to a non-zero value, such as USDT.
*
* NOTE: If the token implements ERC-7674, this function will not modify any temporary allowance. This function
* only sets the "standard" allowance. Any temporary allowance will remain active, in addition to the value being
* set here.
*/
function forceApprove(IERC20 token, address spender, uint256 value) internal {
bytes memory approvalCall = abi.encodeCall(token.approve, (spender, value));
if (!_callOptionalReturnBool(token, approvalCall)) {
_callOptionalReturn(token, abi.encodeCall(token.approve, (spender, 0)));
_callOptionalReturn(token, approvalCall);
}
}
/**
* @dev Performs an {ERC1363} transferAndCall, with a fallback to the simple {ERC20} transfer if the target has no
* code. This can be used to implement an {ERC721}-like safe transfer that rely on {ERC1363} checks when
* targeting contracts.
*
* Reverts if the returned value is other than `true`.
*/
function transferAndCallRelaxed(IERC1363 token, address to, uint256 value, bytes memory data) internal {
if (to.code.length == 0) {
safeTransfer(token, to, value);
} else if (!token.transferAndCall(to, value, data)) {
revert SafeERC20FailedOperation(address(token));
}
}
/**
* @dev Performs an {ERC1363} transferFromAndCall, with a fallback to the simple {ERC20} transferFrom if the target
* has no code. This can be used to implement an {ERC721}-like safe transfer that rely on {ERC1363} checks when
* targeting contracts.
*
* Reverts if the returned value is other than `true`.
*/
function transferFromAndCallRelaxed(
IERC1363 token,
address from,
address to,
uint256 value,
bytes memory data
) internal {
if (to.code.length == 0) {
safeTransferFrom(token, from, to, value);
} else if (!token.transferFromAndCall(from, to, value, data)) {
revert SafeERC20FailedOperation(address(token));
}
}
/**
* @dev Performs an {ERC1363} approveAndCall, with a fallback to the simple {ERC20} approve if the target has no
* code. This can be used to implement an {ERC721}-like safe transfer that rely on {ERC1363} checks when
* targeting contracts.
*
* NOTE: When the recipient address (`to`) has no code (i.e. is an EOA), this function behaves as {forceApprove}.
* Opposedly, when the recipient address (`to`) has code, this function only attempts to call {ERC1363-approveAndCall}
* once without retrying, and relies on the returned value to be true.
*
* Reverts if the returned value is other than `true`.
*/
function approveAndCallRelaxed(IERC1363 token, address to, uint256 value, bytes memory data) internal {
if (to.code.length == 0) {
forceApprove(token, to, value);
} else if (!token.approveAndCall(to, value, data)) {
revert SafeERC20FailedOperation(address(token));
}
}
/**
* @dev Imitates a Solidity high-level call (i.e. a regular function call to a contract), relaxing the requirement
* on the return value: the return value is optional (but if data is returned, it must not be false).
* @param token The token targeted by the call.
* @param data The call data (encoded using abi.encode or one of its variants).
*
* This is a variant of {_callOptionalReturnBool} that reverts if call fails to meet the requirements.
*/
function _callOptionalReturn(IERC20 token, bytes memory data) private {
uint256 returnSize;
uint256 returnValue;
assembly ("memory-safe") {
let success := call(gas(), token, 0, add(data, 0x20), mload(data), 0, 0x20)
// bubble errors
if iszero(success) {
let ptr := mload(0x40)
returndatacopy(ptr, 0, returndatasize())
revert(ptr, returndatasize())
}
returnSize := returndatasize()
returnValue := mload(0)
}
if (returnSize == 0 ? address(token).code.length == 0 : returnValue != 1) {
revert SafeERC20FailedOperation(address(token));
}
}
/**
* @dev Imitates a Solidity high-level call (i.e. a regular function call to a contract), relaxing the requirement
* on the return value: the return value is optional (but if data is returned, it must not be false).
* @param token The token targeted by the call.
* @param data The call data (encoded using abi.encode or one of its variants).
*
* This is a variant of {_callOptionalReturn} that silently catches all reverts and returns a bool instead.
*/
function _callOptionalReturnBool(IERC20 token, bytes memory data) private returns (bool) {
bool success;
uint256 returnSize;
uint256 returnValue;
assembly ("memory-safe") {
success := call(gas(), token, 0, add(data, 0x20), mload(data), 0, 0x20)
returnSize := returndatasize()
returnValue := mload(0)
}
return success && (returnSize == 0 ? address(token).code.length > 0 : returnValue == 1);
}
}
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.4;
/// @notice Initializable mixin for the upgradeable contracts.
/// @author Solady (https://github.com/vectorized/solady/blob/main/src/utils/Initializable.sol)
/// @author Modified from OpenZeppelin (https://github.com/OpenZeppelin/openzeppelin-contracts/tree/master/contracts/proxy/utils/Initializable.sol)
abstract contract Initializable {
/*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/
/* CUSTOM ERRORS */
/*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/
/// @dev The contract is already initialized.
error InvalidInitialization();
/// @dev The contract is not initializing.
error NotInitializing();
/*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/
/* EVENTS */
/*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/
/// @dev Triggered when the contract has been initialized.
event Initialized(uint64 version);
/// @dev `keccak256(bytes("Initialized(uint64)"))`.
bytes32 private constant _INITIALIZED_EVENT_SIGNATURE =
0xc7f505b2f371ae2175ee4913f4499e1f2633a7b5936321eed1cdaeb6115181d2;
/*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/
/* STORAGE */
/*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/
/// @dev The default initializable slot is given by:
/// `bytes32(~uint256(uint32(bytes4(keccak256("_INITIALIZABLE_SLOT")))))`.
///
/// Bits Layout:
/// - [0] `initializing`
/// - [1..64] `initializedVersion`
bytes32 private constant _INITIALIZABLE_SLOT =
0xffffffffffffffffffffffffffffffffffffffffffffffffffffffffbf601132;
/*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/
/* CONSTRUCTOR */
/*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/
constructor() {
// Construction time check to ensure that `_initializableSlot()` is not
// overridden to zero. Will be optimized away if there is no revert.
require(_initializableSlot() != bytes32(0));
}
/*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/
/* OPERATIONS */
/*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/
/// @dev Override to return a non-zero custom storage slot if required.
function _initializableSlot() internal pure virtual returns (bytes32) {
return _INITIALIZABLE_SLOT;
}
/// @dev Guards an initializer function so that it can be invoked at most once.
///
/// You can guard a function with `onlyInitializing` such that it can be called
/// through a function guarded with `initializer`.
///
/// This is similar to `reinitializer(1)`, except that in the context of a constructor,
/// an `initializer` guarded function can be invoked multiple times.
/// This can be useful during testing and is not expected to be used in production.
///
/// Emits an {Initialized} event.
modifier initializer() virtual {
bytes32 s = _initializableSlot();
/// @solidity memory-safe-assembly
assembly {
let i := sload(s)
// Set `initializing` to 1, `initializedVersion` to 1.
sstore(s, 3)
// If `!(initializing == 0 && initializedVersion == 0)`.
if i {
// If `!(address(this).code.length == 0 && initializedVersion == 1)`.
if iszero(lt(extcodesize(address()), eq(shr(1, i), 1))) {
mstore(0x00, 0xf92ee8a9) // `InvalidInitialization()`.
revert(0x1c, 0x04)
}
s := shl(shl(255, i), s) // Skip initializing if `initializing == 1`.
}
}
_;
/// @solidity memory-safe-assembly
assembly {
if s {
// Set `initializing` to 0, `initializedVersion` to 1.
sstore(s, 2)
// Emit the {Initialized} event.
mstore(0x20, 1)
log1(0x20, 0x20, _INITIALIZED_EVENT_SIGNATURE)
}
}
}
/// @dev Guards a reinitializer function so that it can be invoked at most once.
///
/// You can guard a function with `onlyInitializing` such that it can be called
/// through a function guarded with `reinitializer`.
///
/// Emits an {Initialized} event.
modifier reinitializer(uint64 version) virtual {
bytes32 s = _initializableSlot();
/// @solidity memory-safe-assembly
assembly {
// Clean upper bits, and shift left by 1 to make space for the initializing bit.
version := shl(1, and(version, 0xffffffffffffffff))
let i := sload(s)
// If `initializing == 1 || initializedVersion >= version`.
if iszero(lt(and(i, 1), lt(i, version))) {
mstore(0x00, 0xf92ee8a9) // `InvalidInitialization()`.
revert(0x1c, 0x04)
}
// Set `initializing` to 1, `initializedVersion` to `version`.
sstore(s, or(1, version))
}
_;
/// @solidity memory-safe-assembly
assembly {
// Set `initializing` to 0, `initializedVersion` to `version`.
sstore(s, version)
// Emit the {Initialized} event.
mstore(0x20, shr(1, version))
log1(0x20, 0x20, _INITIALIZED_EVENT_SIGNATURE)
}
}
/// @dev Guards a function such that it can only be called in the scope
/// of a function guarded with `initializer` or `reinitializer`.
modifier onlyInitializing() virtual {
_checkInitializing();
_;
}
/// @dev Reverts if the contract is not initializing.
function _checkInitializing() internal view virtual {
bytes32 s = _initializableSlot();
/// @solidity memory-safe-assembly
assembly {
if iszero(and(1, sload(s))) {
mstore(0x00, 0xd7e6bcf8) // `NotInitializing()`.
revert(0x1c, 0x04)
}
}
}
/// @dev Locks any future initializations by setting the initialized version to `2**64 - 1`.
///
/// Calling this in the constructor will prevent the contract from being initialized
/// or reinitialized. It is recommended to use this to lock implementation contracts
/// that are designed to be called through proxies.
///
/// Emits an {Initialized} event the first time it is successfully called.
function _disableInitializers() internal virtual {
bytes32 s = _initializableSlot();
/// @solidity memory-safe-assembly
assembly {
let i := sload(s)
if and(i, 1) {
mstore(0x00, 0xf92ee8a9) // `InvalidInitialization()`.
revert(0x1c, 0x04)
}
let uint64max := 0xffffffffffffffff
if iszero(eq(shr(1, i), uint64max)) {
// Set `initializing` to 0, `initializedVersion` to `2**64 - 1`.
sstore(s, shl(1, uint64max))
// Emit the {Initialized} event.
mstore(0x20, uint64max)
log1(0x20, 0x20, _INITIALIZED_EVENT_SIGNATURE)
}
}
}
/// @dev Returns the highest version that has been initialized.
function _getInitializedVersion() internal view virtual returns (uint64 version) {
bytes32 s = _initializableSlot();
/// @solidity memory-safe-assembly
assembly {
version := shr(1, sload(s))
}
}
/// @dev Returns whether the contract is currently initializing.
function _isInitializing() internal view virtual returns (bool result) {
bytes32 s = _initializableSlot();
/// @solidity memory-safe-assembly
assembly {
result := and(1, sload(s))
}
}
}
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.20;
/**
* @title ITTCreate3Initializable
* @author Jack Xu @ Sign
* @dev This interface enforces an initializer for contracts that are directly deployed by Create3.
*/
interface ITTCreate3Initializable {
function initialize(address owner) external;
}
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.1.0) (token/ERC20/IERC20.sol)
pragma solidity ^0.8.20;
/**
* @dev Interface of the ERC-20 standard as defined in the ERC.
*/
interface IERC20 {
/**
* @dev Emitted when `value` tokens are moved from one account (`from`) to
* another (`to`).
*
* Note that `value` may be zero.
*/
event Transfer(address indexed from, address indexed to, uint256 value);
/**
* @dev Emitted when the allowance of a `spender` for an `owner` is set by
* a call to {approve}. `value` is the new allowance.
*/
event Approval(address indexed owner, address indexed spender, uint256 value);
/**
* @dev Returns the value of tokens in existence.
*/
function totalSupply() external view returns (uint256);
/**
* @dev Returns the value of tokens owned by `account`.
*/
function balanceOf(address account) external view returns (uint256);
/**
* @dev Moves a `value` amount of tokens from the caller's account to `to`.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* Emits a {Transfer} event.
*/
function transfer(address to, uint256 value) external returns (bool);
/**
* @dev Returns the remaining number of tokens that `spender` will be
* allowed to spend on behalf of `owner` through {transferFrom}. This is
* zero by default.
*
* This value changes when {approve} or {transferFrom} are called.
*/
function allowance(address owner, address spender) external view returns (uint256);
/**
* @dev Sets a `value` amount of tokens as the allowance of `spender` over the
* caller's tokens.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* IMPORTANT: Beware that changing an allowance with this method brings the risk
* that someone may use both the old and the new allowance by unfortunate
* transaction ordering. One possible solution to mitigate this race
* condition is to first reduce the spender's allowance to 0 and set the
* desired value afterwards:
* https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
*
* Emits an {Approval} event.
*/
function approve(address spender, uint256 value) external returns (bool);
/**
* @dev Moves a `value` amount of tokens from `from` to `to` using the
* allowance mechanism. `value` is then deducted from the caller's
* allowance.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* Emits a {Transfer} event.
*/
function transferFrom(address from, address to, uint256 value) external returns (bool);
}
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.1.0) (interfaces/IERC1363.sol)
pragma solidity ^0.8.20;
import {IERC20} from "./IERC20.sol";
import {IERC165} from "./IERC165.sol";
/**
* @title IERC1363
* @dev Interface of the ERC-1363 standard as defined in the https://eips.ethereum.org/EIPS/eip-1363[ERC-1363].
*
* Defines an extension interface for ERC-20 tokens that supports executing code on a recipient contract
* after `transfer` or `transferFrom`, or code on a spender contract after `approve`, in a single transaction.
*/
interface IERC1363 is IERC20, IERC165 {
/*
* Note: the ERC-165 identifier for this interface is 0xb0202a11.
* 0xb0202a11 ===
* bytes4(keccak256('transferAndCall(address,uint256)')) ^
* bytes4(keccak256('transferAndCall(address,uint256,bytes)')) ^
* bytes4(keccak256('transferFromAndCall(address,address,uint256)')) ^
* bytes4(keccak256('transferFromAndCall(address,address,uint256,bytes)')) ^
* bytes4(keccak256('approveAndCall(address,uint256)')) ^
* bytes4(keccak256('approveAndCall(address,uint256,bytes)'))
*/
/**
* @dev Moves a `value` amount of tokens from the caller's account to `to`
* and then calls {IERC1363Receiver-onTransferReceived} on `to`.
* @param to The address which you want to transfer to.
* @param value The amount of tokens to be transferred.
* @return A boolean value indicating whether the operation succeeded unless throwing.
*/
function transferAndCall(address to, uint256 value) external returns (bool);
/**
* @dev Moves a `value` amount of tokens from the caller's account to `to`
* and then calls {IERC1363Receiver-onTransferReceived} on `to`.
* @param to The address which you want to transfer to.
* @param value The amount of tokens to be transferred.
* @param data Additional data with no specified format, sent in call to `to`.
* @return A boolean value indicating whether the operation succeeded unless throwing.
*/
function transferAndCall(address to, uint256 value, bytes calldata data) external returns (bool);
/**
* @dev Moves a `value` amount of tokens from `from` to `to` using the allowance mechanism
* and then calls {IERC1363Receiver-onTransferReceived} on `to`.
* @param from The address which you want to send tokens from.
* @param to The address which you want to transfer to.
* @param value The amount of tokens to be transferred.
* @return A boolean value indicating whether the operation succeeded unless throwing.
*/
function transferFromAndCall(address from, address to, uint256 value) external returns (bool);
/**
* @dev Moves a `value` amount of tokens from `from` to `to` using the allowance mechanism
* and then calls {IERC1363Receiver-onTransferReceived} on `to`.
* @param from The address which you want to send tokens from.
* @param to The address which you want to transfer to.
* @param value The amount of tokens to be transferred.
* @param data Additional data with no specified format, sent in call to `to`.
* @return A boolean value indicating whether the operation succeeded unless throwing.
*/
function transferFromAndCall(address from, address to, uint256 value, bytes calldata data) external returns (bool);
/**
* @dev Sets a `value` amount of tokens as the allowance of `spender` over the
* caller's tokens and then calls {IERC1363Spender-onApprovalReceived} on `spender`.
* @param spender The address which will spend the funds.
* @param value The amount of tokens to be spent.
* @return A boolean value indicating whether the operation succeeded unless throwing.
*/
function approveAndCall(address spender, uint256 value) external returns (bool);
/**
* @dev Sets a `value` amount of tokens as the allowance of `spender` over the
* caller's tokens and then calls {IERC1363Spender-onApprovalReceived} on `spender`.
* @param spender The address which will spend the funds.
* @param value The amount of tokens to be spent.
* @param data Additional data with no specified format, sent in call to `spender`.
* @return A boolean value indicating whether the operation succeeded unless throwing.
*/
function approveAndCall(address spender, uint256 value, bytes calldata data) external returns (bool);
}
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (interfaces/IERC165.sol)
pragma solidity ^0.8.20;
import {IERC165} from "../utils/introspection/IERC165.sol";
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.1.0) (utils/introspection/IERC165.sol)
pragma solidity ^0.8.20;
/**
* @dev Interface of the ERC-165 standard, as defined in the
* https://eips.ethereum.org/EIPS/eip-165[ERC].
*
* Implementers can declare support of contract interfaces, which can then be
* queried by others ({ERC165Checker}).
*
* For an implementation, see {ERC165}.
*/
interface IERC165 {
/**
* @dev Returns true if this contract implements the interface defined by
* `interfaceId`. See the corresponding
* https://eips.ethereum.org/EIPS/eip-165#how-interfaces-are-identified[ERC section]
* to learn more about how these ids are created.
*
* This function call must use less than 30 000 gas.
*/
function supportsInterface(bytes4 interfaceId) external view returns (bool);
}