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Latest 6 from a total of 6 transactions
Transaction Hash |
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Deploy With Fact... | 21686559 | 4 days ago | IN | 0 ETH | 0.00118381 | ||||
Approve Factory | 21381162 | 46 days ago | IN | 0 ETH | 0.00171167 | ||||
Approve Factory | 21366405 | 48 days ago | IN | 0 ETH | 0.00161275 | ||||
Approve Factory | 20111251 | 224 days ago | IN | 0 ETH | 0.00019011 | ||||
Stake | 19636906 | 290 days ago | IN | 0.1 ETH | 0.00076829 | ||||
Approve Factory | 19636906 | 290 days ago | IN | 0 ETH | 0.0005855 |
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Contract Source Code Verified (Exact Match)
Contract Name:
FactoryStaker
Compiler Version
v0.8.24+commit.e11b9ed9
Optimization Enabled:
Yes with 200 runs
Other Settings:
paris EvmVersion
Contract Source Code (Solidity Standard Json-Input format)
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; import "./KernelFactory.sol"; import "../interfaces/IEntryPoint.sol"; import "solady/auth/Ownable.sol"; contract FactoryStaker is Ownable { mapping(KernelFactory => bool) public approved; error NotApprovedFactory(); constructor(address _owner) { _initializeOwner(_owner); } function deployWithFactory(KernelFactory factory, bytes calldata createData, bytes32 salt) external payable returns (address) { if (!approved[factory]) { revert NotApprovedFactory(); } return factory.createAccount(createData, salt); } function approveFactory(KernelFactory factory, bool approval) external payable onlyOwner { approved[factory] = approval; } function stake(IEntryPoint entryPoint, uint32 unstakeDelay) external payable onlyOwner { entryPoint.addStake{value: msg.value}(unstakeDelay); } function unlockStake(IEntryPoint entryPoint) external payable onlyOwner { entryPoint.unlockStake(); } function withdrawStake(IEntryPoint entryPoint, address payable recipient) external payable onlyOwner { entryPoint.withdrawStake(recipient); } }
// SPDX-License-Identifier: MIT pragma solidity ^0.8.0; import {LibClone} from "solady/utils/LibClone.sol"; contract KernelFactory { error InitializeError(); address public immutable implementation; constructor(address _impl) { implementation = _impl; } function createAccount(bytes calldata data, bytes32 salt) public payable returns (address) { bytes32 actualSalt = keccak256(abi.encodePacked(data, salt)); (bool alreadyDeployed, address account) = LibClone.createDeterministicERC1967(msg.value, implementation, actualSalt); if (!alreadyDeployed) { (bool success,) = account.call(data); if (!success) { revert InitializeError(); } } return account; } function getAddress(bytes calldata data, bytes32 salt) public view virtual returns (address) { bytes32 actualSalt = keccak256(abi.encodePacked(data, salt)); return LibClone.predictDeterministicAddressERC1967(implementation, actualSalt, address(this)); } }
// SPDX-License-Identifier: GPL-3.0 /** * Account-Abstraction (EIP-4337) singleton EntryPoint implementation. * Only one instance required on each chain. * */ pragma solidity >=0.7.5; /* solhint-disable avoid-low-level-calls */ /* solhint-disable no-inline-assembly */ /* solhint-disable reason-string */ import "./PackedUserOperation.sol"; import "./IStakeManager.sol"; import "./IAggregator.sol"; import "./INonceManager.sol"; interface IEntryPoint is IStakeManager, INonceManager { /** * * An event emitted after each successful request. * @param userOpHash - Unique identifier for the request (hash its entire content, except signature). * @param sender - The account that generates this request. * @param paymaster - If non-null, the paymaster that pays for this request. * @param nonce - The nonce value from the request. * @param success - True if the sender transaction succeeded, false if reverted. * @param actualGasCost - Actual amount paid (by account or paymaster) for this UserOperation. * @param actualGasUsed - Total gas used by this UserOperation (including preVerification, creation, * validation and execution). */ event UserOperationEvent( bytes32 indexed userOpHash, address indexed sender, address indexed paymaster, uint256 nonce, bool success, uint256 actualGasCost, uint256 actualGasUsed ); /** * Account "sender" was deployed. * @param userOpHash - The userOp that deployed this account. UserOperationEvent will follow. * @param sender - The account that is deployed * @param factory - The factory used to deploy this account (in the initCode) * @param paymaster - The paymaster used by this UserOp */ event AccountDeployed(bytes32 indexed userOpHash, address indexed sender, address factory, address paymaster); /** * An event emitted if the UserOperation "callData" reverted with non-zero length. * @param userOpHash - The request unique identifier. * @param sender - The sender of this request. * @param nonce - The nonce used in the request. * @param revertReason - The return bytes from the (reverted) call to "callData". */ event UserOperationRevertReason( bytes32 indexed userOpHash, address indexed sender, uint256 nonce, bytes revertReason ); /** * An event emitted if the UserOperation Paymaster's "postOp" call reverted with non-zero length. * @param userOpHash - The request unique identifier. * @param sender - The sender of this request. * @param nonce - The nonce used in the request. * @param revertReason - The return bytes from the (reverted) call to "callData". */ event PostOpRevertReason(bytes32 indexed userOpHash, address indexed sender, uint256 nonce, bytes revertReason); /** * An event emitted by handleOps(), before starting the execution loop. * Any event emitted before this event, is part of the validation. */ event BeforeExecution(); /** * Signature aggregator used by the following UserOperationEvents within this bundle. * @param aggregator - The aggregator used for the following UserOperationEvents. */ event SignatureAggregatorChanged(address indexed aggregator); /** * A custom revert error of handleOps, to identify the offending op. * Should be caught in off-chain handleOps simulation and not happen on-chain. * Useful for mitigating DoS attempts against batchers or for troubleshooting of factory/account/paymaster reverts. * NOTE: If simulateValidation passes successfully, there should be no reason for handleOps to fail on it. * @param opIndex - Index into the array of ops to the failed one (in simulateValidation, this is always zero). * @param reason - Revert reason. The string starts with a unique code "AAmn", * where "m" is "1" for factory, "2" for account and "3" for paymaster issues, * so a failure can be attributed to the correct entity. */ error FailedOp(uint256 opIndex, string reason); /** * A custom revert error of handleOps, to report a revert by account or paymaster. * @param opIndex - Index into the array of ops to the failed one (in simulateValidation, this is always zero). * @param reason - Revert reason. see FailedOp(uint256,string), above * @param inner - data from inner cought revert reason * @dev note that inner is truncated to 2048 bytes */ error FailedOpWithRevert(uint256 opIndex, string reason, bytes inner); error PostOpReverted(bytes returnData); /** * Error case when a signature aggregator fails to verify the aggregated signature it had created. * @param aggregator The aggregator that failed to verify the signature */ error SignatureValidationFailed(address aggregator); // Return value of getSenderAddress. error SenderAddressResult(address sender); // UserOps handled, per aggregator. struct UserOpsPerAggregator { PackedUserOperation[] userOps; // Aggregator address IAggregator aggregator; // Aggregated signature bytes signature; } /** * Execute a batch of UserOperations. * No signature aggregator is used. * If any account requires an aggregator (that is, it returned an aggregator when * performing simulateValidation), then handleAggregatedOps() must be used instead. * @param ops - The operations to execute. * @param beneficiary - The address to receive the fees. */ function handleOps(PackedUserOperation[] calldata ops, address payable beneficiary) external; /** * Execute a batch of UserOperation with Aggregators * @param opsPerAggregator - The operations to execute, grouped by aggregator (or address(0) for no-aggregator accounts). * @param beneficiary - The address to receive the fees. */ function handleAggregatedOps(UserOpsPerAggregator[] calldata opsPerAggregator, address payable beneficiary) external; /** * Generate a request Id - unique identifier for this request. * The request ID is a hash over the content of the userOp (except the signature), the entrypoint and the chainid. * @param userOp - The user operation to generate the request ID for. * @return hash the hash of this UserOperation */ function getUserOpHash(PackedUserOperation calldata userOp) external view returns (bytes32); /** * Gas and return values during simulation. * @param preOpGas - The gas used for validation (including preValidationGas) * @param prefund - The required prefund for this operation * @param accountValidationData - returned validationData from account. * @param paymasterValidationData - return validationData from paymaster. * @param paymasterContext - Returned by validatePaymasterUserOp (to be passed into postOp) */ struct ReturnInfo { uint256 preOpGas; uint256 prefund; uint256 accountValidationData; uint256 paymasterValidationData; bytes paymasterContext; } /** * Returned aggregated signature info: * The aggregator returned by the account, and its current stake. */ struct AggregatorStakeInfo { address aggregator; StakeInfo stakeInfo; } /** * Get counterfactual sender address. * Calculate the sender contract address that will be generated by the initCode and salt in the UserOperation. * This method always revert, and returns the address in SenderAddressResult error * @param initCode - The constructor code to be passed into the UserOperation. */ function getSenderAddress(bytes memory initCode) external; error DelegateAndRevert(bool success, bytes ret); /** * Helper method for dry-run testing. * @dev calling this method, the EntryPoint will make a delegatecall to the given data, and report (via revert) the result. * The method always revert, so is only useful off-chain for dry run calls, in cases where state-override to replace * actual EntryPoint code is less convenient. * @param target a target contract to make a delegatecall from entrypoint * @param data data to pass to target in a delegatecall */ function delegateAndRevert(address target, bytes calldata data) external; }
// 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 pragma solidity ^0.8.4; /// @notice Minimal proxy library. /// @author Solady (https://github.com/vectorized/solady/blob/main/src/utils/LibClone.sol) /// @author Minimal proxy by 0age (https://github.com/0age) /// @author Clones with immutable args by wighawag, zefram.eth, Saw-mon & Natalie /// (https://github.com/Saw-mon-and-Natalie/clones-with-immutable-args) /// @author Minimal ERC1967 proxy by jtriley-eth (https://github.com/jtriley-eth/minimum-viable-proxy) /// /// @dev Minimal proxy: /// Although the sw0nt pattern saves 5 gas over the erc-1167 pattern during runtime, /// it is not supported out-of-the-box on Etherscan. Hence, we choose to use the 0age pattern, /// which saves 4 gas over the erc-1167 pattern during runtime, and has the smallest bytecode. /// /// @dev Minimal proxy (PUSH0 variant): /// This is a new minimal proxy that uses the PUSH0 opcode introduced during Shanghai. /// It is optimized first for minimal runtime gas, then for minimal bytecode. /// The PUSH0 clone functions are intentionally postfixed with a jarring "_PUSH0" as /// many EVM chains may not support the PUSH0 opcode in the early months after Shanghai. /// Please use with caution. /// /// @dev Clones with immutable args (CWIA): /// The implementation of CWIA here implements a `receive()` method that emits the /// `ReceiveETH(uint256)` event. This skips the `DELEGATECALL` when there is no calldata, /// enabling us to accept hard gas-capped `sends` & `transfers` for maximum backwards /// composability. The minimal proxy implementation does not offer this feature. /// /// @dev Minimal ERC1967 proxy: /// An minimal ERC1967 proxy, intended to be upgraded with UUPS. /// This is NOT the same as ERC1967Factory's transparent proxy, which includes admin logic. /// /// @dev ERC1967I proxy: /// An variant of the minimal ERC1967 proxy, with a special code path that activates /// if `calldatasize() == 1`. This code path skips the delegatecall and directly returns the /// `implementation` address. The returned implementation is guaranteed to be valid if the /// keccak256 of the proxy's code is equal to `ERC1967I_CODE_HASH`. library LibClone { /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/ /* CONSTANTS */ /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/ /// @dev The keccak256 of the deployed code for the ERC1967 proxy. bytes32 internal constant ERC1967_CODE_HASH = 0xaaa52c8cc8a0e3fd27ce756cc6b4e70c51423e9b597b11f32d3e49f8b1fc890d; /// @dev The keccak256 of the deployed code for the ERC1967I proxy. bytes32 internal constant ERC1967I_CODE_HASH = 0xce700223c0d4cea4583409accfc45adac4a093b3519998a9cbbe1504dadba6f7; /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/ /* CUSTOM ERRORS */ /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/ /// @dev Unable to deploy the clone. error DeploymentFailed(); /// @dev The salt must start with either the zero address or `by`. error SaltDoesNotStartWith(); /// @dev The ETH transfer has failed. error ETHTransferFailed(); /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/ /* MINIMAL PROXY OPERATIONS */ /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/ /// @dev Deploys a clone of `implementation`. function clone(address implementation) internal returns (address instance) { instance = clone(0, implementation); } /// @dev Deploys a clone of `implementation`. /// Deposits `value` ETH during deployment. function clone(uint256 value, address implementation) internal returns (address instance) { /// @solidity memory-safe-assembly assembly { /** * --------------------------------------------------------------------------+ * CREATION (9 bytes) | * --------------------------------------------------------------------------| * Opcode | Mnemonic | Stack | Memory | * --------------------------------------------------------------------------| * 60 runSize | PUSH1 runSize | r | | * 3d | RETURNDATASIZE | 0 r | | * 81 | DUP2 | r 0 r | | * 60 offset | PUSH1 offset | o r 0 r | | * 3d | RETURNDATASIZE | 0 o r 0 r | | * 39 | CODECOPY | 0 r | [0..runSize): runtime code | * f3 | RETURN | | [0..runSize): runtime code | * --------------------------------------------------------------------------| * RUNTIME (44 bytes) | * --------------------------------------------------------------------------| * Opcode | Mnemonic | Stack | Memory | * --------------------------------------------------------------------------| * | * ::: keep some values in stack ::::::::::::::::::::::::::::::::::::::::::: | * 3d | RETURNDATASIZE | 0 | | * 3d | RETURNDATASIZE | 0 0 | | * 3d | RETURNDATASIZE | 0 0 0 | | * 3d | RETURNDATASIZE | 0 0 0 0 | | * | * ::: copy calldata to memory ::::::::::::::::::::::::::::::::::::::::::::: | * 36 | CALLDATASIZE | cds 0 0 0 0 | | * 3d | RETURNDATASIZE | 0 cds 0 0 0 0 | | * 3d | RETURNDATASIZE | 0 0 cds 0 0 0 0 | | * 37 | CALLDATACOPY | 0 0 0 0 | [0..cds): calldata | * | * ::: delegate call to the implementation contract :::::::::::::::::::::::: | * 36 | CALLDATASIZE | cds 0 0 0 0 | [0..cds): calldata | * 3d | RETURNDATASIZE | 0 cds 0 0 0 0 | [0..cds): calldata | * 73 addr | PUSH20 addr | addr 0 cds 0 0 0 0 | [0..cds): calldata | * 5a | GAS | gas addr 0 cds 0 0 0 0 | [0..cds): calldata | * f4 | DELEGATECALL | success 0 0 | [0..cds): calldata | * | * ::: copy return data to memory :::::::::::::::::::::::::::::::::::::::::: | * 3d | RETURNDATASIZE | rds success 0 0 | [0..cds): calldata | * 3d | RETURNDATASIZE | rds rds success 0 0 | [0..cds): calldata | * 93 | SWAP4 | 0 rds success 0 rds | [0..cds): calldata | * 80 | DUP1 | 0 0 rds success 0 rds | [0..cds): calldata | * 3e | RETURNDATACOPY | success 0 rds | [0..rds): returndata | * | * 60 0x2a | PUSH1 0x2a | 0x2a success 0 rds | [0..rds): returndata | * 57 | JUMPI | 0 rds | [0..rds): returndata | * | * ::: revert :::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::: | * fd | REVERT | | [0..rds): returndata | * | * ::: return :::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::: | * 5b | JUMPDEST | 0 rds | [0..rds): returndata | * f3 | RETURN | | [0..rds): returndata | * --------------------------------------------------------------------------+ */ mstore(0x21, 0x5af43d3d93803e602a57fd5bf3) mstore(0x14, implementation) mstore(0x00, 0x602c3d8160093d39f33d3d3d3d363d3d37363d73) instance := create(value, 0x0c, 0x35) if iszero(instance) { mstore(0x00, 0x30116425) // `DeploymentFailed()`. revert(0x1c, 0x04) } mstore(0x21, 0) // Restore the overwritten part of the free memory pointer. } } /// @dev Deploys a deterministic clone of `implementation` with `salt`. function cloneDeterministic(address implementation, bytes32 salt) internal returns (address instance) { instance = cloneDeterministic(0, implementation, salt); } /// @dev Deploys a deterministic clone of `implementation` with `salt`. /// Deposits `value` ETH during deployment. function cloneDeterministic(uint256 value, address implementation, bytes32 salt) internal returns (address instance) { /// @solidity memory-safe-assembly assembly { mstore(0x21, 0x5af43d3d93803e602a57fd5bf3) mstore(0x14, implementation) mstore(0x00, 0x602c3d8160093d39f33d3d3d3d363d3d37363d73) instance := create2(value, 0x0c, 0x35, salt) if iszero(instance) { mstore(0x00, 0x30116425) // `DeploymentFailed()`. revert(0x1c, 0x04) } mstore(0x21, 0) // Restore the overwritten part of the free memory pointer. } } /// @dev Returns the initialization code of the clone of `implementation`. function initCode(address implementation) internal pure returns (bytes memory result) { /// @solidity memory-safe-assembly assembly { result := mload(0x40) mstore(add(result, 0x40), 0x5af43d3d93803e602a57fd5bf30000000000000000000000) mstore(add(result, 0x28), implementation) mstore(add(result, 0x14), 0x602c3d8160093d39f33d3d3d3d363d3d37363d73) mstore(result, 0x35) // Store the length. mstore(0x40, add(result, 0x60)) // Allocate memory. } } /// @dev Returns the initialization code hash of the clone of `implementation`. /// Used for mining vanity addresses with create2crunch. function initCodeHash(address implementation) internal pure returns (bytes32 hash) { /// @solidity memory-safe-assembly assembly { mstore(0x21, 0x5af43d3d93803e602a57fd5bf3) mstore(0x14, implementation) mstore(0x00, 0x602c3d8160093d39f33d3d3d3d363d3d37363d73) hash := keccak256(0x0c, 0x35) mstore(0x21, 0) // Restore the overwritten part of the free memory pointer. } } /// @dev Returns the address of the deterministic clone of `implementation`, /// with `salt` by `deployer`. /// Note: The returned result has dirty upper 96 bits. Please clean if used in assembly. function predictDeterministicAddress(address implementation, bytes32 salt, address deployer) internal pure returns (address predicted) { bytes32 hash = initCodeHash(implementation); predicted = predictDeterministicAddress(hash, salt, deployer); } /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/ /* MINIMAL PROXY OPERATIONS (PUSH0 VARIANT) */ /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/ /// @dev Deploys a PUSH0 clone of `implementation`. function clone_PUSH0(address implementation) internal returns (address instance) { instance = clone_PUSH0(0, implementation); } /// @dev Deploys a PUSH0 clone of `implementation`. /// Deposits `value` ETH during deployment. function clone_PUSH0(uint256 value, address implementation) internal returns (address instance) { /// @solidity memory-safe-assembly assembly { /** * --------------------------------------------------------------------------+ * CREATION (9 bytes) | * --------------------------------------------------------------------------| * Opcode | Mnemonic | Stack | Memory | * --------------------------------------------------------------------------| * 60 runSize | PUSH1 runSize | r | | * 5f | PUSH0 | 0 r | | * 81 | DUP2 | r 0 r | | * 60 offset | PUSH1 offset | o r 0 r | | * 5f | PUSH0 | 0 o r 0 r | | * 39 | CODECOPY | 0 r | [0..runSize): runtime code | * f3 | RETURN | | [0..runSize): runtime code | * --------------------------------------------------------------------------| * RUNTIME (45 bytes) | * --------------------------------------------------------------------------| * Opcode | Mnemonic | Stack | Memory | * --------------------------------------------------------------------------| * | * ::: keep some values in stack ::::::::::::::::::::::::::::::::::::::::::: | * 5f | PUSH0 | 0 | | * 5f | PUSH0 | 0 0 | | * | * ::: copy calldata to memory ::::::::::::::::::::::::::::::::::::::::::::: | * 36 | CALLDATASIZE | cds 0 0 | | * 5f | PUSH0 | 0 cds 0 0 | | * 5f | PUSH0 | 0 0 cds 0 0 | | * 37 | CALLDATACOPY | 0 0 | [0..cds): calldata | * | * ::: delegate call to the implementation contract :::::::::::::::::::::::: | * 36 | CALLDATASIZE | cds 0 0 | [0..cds): calldata | * 5f | PUSH0 | 0 cds 0 0 | [0..cds): calldata | * 73 addr | PUSH20 addr | addr 0 cds 0 0 | [0..cds): calldata | * 5a | GAS | gas addr 0 cds 0 0 | [0..cds): calldata | * f4 | DELEGATECALL | success | [0..cds): calldata | * | * ::: copy return data to memory :::::::::::::::::::::::::::::::::::::::::: | * 3d | RETURNDATASIZE | rds success | [0..cds): calldata | * 5f | PUSH0 | 0 rds success | [0..cds): calldata | * 5f | PUSH0 | 0 0 rds success | [0..cds): calldata | * 3e | RETURNDATACOPY | success | [0..rds): returndata | * | * 60 0x29 | PUSH1 0x29 | 0x29 success | [0..rds): returndata | * 57 | JUMPI | | [0..rds): returndata | * | * ::: revert :::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::: | * 3d | RETURNDATASIZE | rds | [0..rds): returndata | * 5f | PUSH0 | 0 rds | [0..rds): returndata | * fd | REVERT | | [0..rds): returndata | * | * ::: return :::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::: | * 5b | JUMPDEST | | [0..rds): returndata | * 3d | RETURNDATASIZE | rds | [0..rds): returndata | * 5f | PUSH0 | 0 rds | [0..rds): returndata | * f3 | RETURN | | [0..rds): returndata | * --------------------------------------------------------------------------+ */ mstore(0x24, 0x5af43d5f5f3e6029573d5ffd5b3d5ff3) // 16 mstore(0x14, implementation) // 20 mstore(0x00, 0x602d5f8160095f39f35f5f365f5f37365f73) // 9 + 9 instance := create(value, 0x0e, 0x36) if iszero(instance) { mstore(0x00, 0x30116425) // `DeploymentFailed()`. revert(0x1c, 0x04) } mstore(0x24, 0) // Restore the overwritten part of the free memory pointer. } } /// @dev Deploys a deterministic PUSH0 clone of `implementation` with `salt`. function cloneDeterministic_PUSH0(address implementation, bytes32 salt) internal returns (address instance) { instance = cloneDeterministic_PUSH0(0, implementation, salt); } /// @dev Deploys a deterministic PUSH0 clone of `implementation` with `salt`. /// Deposits `value` ETH during deployment. function cloneDeterministic_PUSH0(uint256 value, address implementation, bytes32 salt) internal returns (address instance) { /// @solidity memory-safe-assembly assembly { mstore(0x24, 0x5af43d5f5f3e6029573d5ffd5b3d5ff3) // 16 mstore(0x14, implementation) // 20 mstore(0x00, 0x602d5f8160095f39f35f5f365f5f37365f73) // 9 + 9 instance := create2(value, 0x0e, 0x36, salt) if iszero(instance) { mstore(0x00, 0x30116425) // `DeploymentFailed()`. revert(0x1c, 0x04) } mstore(0x24, 0) // Restore the overwritten part of the free memory pointer. } } /// @dev Returns the initialization code of the PUSH0 clone of `implementation`. function initCode_PUSH0(address implementation) internal pure returns (bytes memory result) { /// @solidity memory-safe-assembly assembly { result := mload(0x40) mstore(add(result, 0x40), 0x5af43d5f5f3e6029573d5ffd5b3d5ff300000000000000000000) // 16 mstore(add(result, 0x26), implementation) // 20 mstore(add(result, 0x12), 0x602d5f8160095f39f35f5f365f5f37365f73) // 9 + 9 mstore(result, 0x36) // Store the length. mstore(0x40, add(result, 0x60)) // Allocate memory. } } /// @dev Returns the initialization code hash of the PUSH0 clone of `implementation`. /// Used for mining vanity addresses with create2crunch. function initCodeHash_PUSH0(address implementation) internal pure returns (bytes32 hash) { /// @solidity memory-safe-assembly assembly { mstore(0x24, 0x5af43d5f5f3e6029573d5ffd5b3d5ff3) // 16 mstore(0x14, implementation) // 20 mstore(0x00, 0x602d5f8160095f39f35f5f365f5f37365f73) // 9 + 9 hash := keccak256(0x0e, 0x36) mstore(0x24, 0) // Restore the overwritten part of the free memory pointer. } } /// @dev Returns the address of the deterministic PUSH0 clone of `implementation`, /// with `salt` by `deployer`. /// Note: The returned result has dirty upper 96 bits. Please clean if used in assembly. function predictDeterministicAddress_PUSH0( address implementation, bytes32 salt, address deployer ) internal pure returns (address predicted) { bytes32 hash = initCodeHash_PUSH0(implementation); predicted = predictDeterministicAddress(hash, salt, deployer); } /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/ /* CLONES WITH IMMUTABLE ARGS OPERATIONS */ /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/ // Note: This implementation of CWIA differs from the original implementation. // If the calldata is empty, it will emit a `ReceiveETH(uint256)` event and skip the `DELEGATECALL`. /// @dev Deploys a clone of `implementation` with immutable arguments encoded in `data`. function clone(address implementation, bytes memory data) internal returns (address instance) { instance = clone(0, implementation, data); } /// @dev Deploys a clone of `implementation` with immutable arguments encoded in `data`. /// Deposits `value` ETH during deployment. function clone(uint256 value, address implementation, bytes memory data) internal returns (address instance) { assembly { // Compute the boundaries of the data and cache the memory slots around it. let mBefore3 := mload(sub(data, 0x60)) let mBefore2 := mload(sub(data, 0x40)) let mBefore1 := mload(sub(data, 0x20)) let dataLength := mload(data) let dataEnd := add(add(data, 0x20), dataLength) let mAfter1 := mload(dataEnd) // +2 bytes for telling how much data there is appended to the call. let extraLength := add(dataLength, 2) // The `creationSize` is `extraLength + 108` // The `runSize` is `creationSize - 10`. /** * ---------------------------------------------------------------------------------------------------+ * CREATION (10 bytes) | * ---------------------------------------------------------------------------------------------------| * Opcode | Mnemonic | Stack | Memory | * ---------------------------------------------------------------------------------------------------| * 61 runSize | PUSH2 runSize | r | | * 3d | RETURNDATASIZE | 0 r | | * 81 | DUP2 | r 0 r | | * 60 offset | PUSH1 offset | o r 0 r | | * 3d | RETURNDATASIZE | 0 o r 0 r | | * 39 | CODECOPY | 0 r | [0..runSize): runtime code | * f3 | RETURN | | [0..runSize): runtime code | * ---------------------------------------------------------------------------------------------------| * RUNTIME (98 bytes + extraLength) | * ---------------------------------------------------------------------------------------------------| * Opcode | Mnemonic | Stack | Memory | * ---------------------------------------------------------------------------------------------------| * | * ::: if no calldata, emit event & return w/o `DELEGATECALL` ::::::::::::::::::::::::::::::::::::::: | * 36 | CALLDATASIZE | cds | | * 60 0x2c | PUSH1 0x2c | 0x2c cds | | * 57 | JUMPI | | | * 34 | CALLVALUE | cv | | * 3d | RETURNDATASIZE | 0 cv | | * 52 | MSTORE | | [0..0x20): callvalue | * 7f sig | PUSH32 0x9e.. | sig | [0..0x20): callvalue | * 59 | MSIZE | 0x20 sig | [0..0x20): callvalue | * 3d | RETURNDATASIZE | 0 0x20 sig | [0..0x20): callvalue | * a1 | LOG1 | | [0..0x20): callvalue | * 00 | STOP | | [0..0x20): callvalue | * 5b | JUMPDEST | | | * | * ::: copy calldata to memory :::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::: | * 36 | CALLDATASIZE | cds | | * 3d | RETURNDATASIZE | 0 cds | | * 3d | RETURNDATASIZE | 0 0 cds | | * 37 | CALLDATACOPY | | [0..cds): calldata | * | * ::: keep some values in stack :::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::: | * 3d | RETURNDATASIZE | 0 | [0..cds): calldata | * 3d | RETURNDATASIZE | 0 0 | [0..cds): calldata | * 3d | RETURNDATASIZE | 0 0 0 | [0..cds): calldata | * 3d | RETURNDATASIZE | 0 0 0 0 | [0..cds): calldata | * 61 extra | PUSH2 extra | e 0 0 0 0 | [0..cds): calldata | * | * ::: copy extra data to memory :::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::: | * 80 | DUP1 | e e 0 0 0 0 | [0..cds): calldata | * 60 0x62 | PUSH1 0x62 | 0x62 e e 0 0 0 0 | [0..cds): calldata | * 36 | CALLDATASIZE | cds 0x62 e e 0 0 0 0 | [0..cds): calldata | * 39 | CODECOPY | e 0 0 0 0 | [0..cds): calldata, [cds..cds+e): extraData | * | * ::: delegate call to the implementation contract ::::::::::::::::::::::::::::::::::::::::::::::::: | * 36 | CALLDATASIZE | cds e 0 0 0 0 | [0..cds): calldata, [cds..cds+e): extraData | * 01 | ADD | cds+e 0 0 0 0 | [0..cds): calldata, [cds..cds+e): extraData | * 3d | RETURNDATASIZE | 0 cds+e 0 0 0 0 | [0..cds): calldata, [cds..cds+e): extraData | * 73 addr | PUSH20 addr | addr 0 cds+e 0 0 0 0 | [0..cds): calldata, [cds..cds+e): extraData | * 5a | GAS | gas addr 0 cds+e 0 0 0 0 | [0..cds): calldata, [cds..cds+e): extraData | * f4 | DELEGATECALL | success 0 0 | [0..cds): calldata, [cds..cds+e): extraData | * | * ::: copy return data to memory ::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::: | * 3d | RETURNDATASIZE | rds success 0 0 | [0..cds): calldata, [cds..cds+e): extraData | * 3d | RETURNDATASIZE | rds rds success 0 0 | [0..cds): calldata, [cds..cds+e): extraData | * 93 | SWAP4 | 0 rds success 0 rds | [0..cds): calldata, [cds..cds+e): extraData | * 80 | DUP1 | 0 0 rds success 0 rds | [0..cds): calldata, [cds..cds+e): extraData | * 3e | RETURNDATACOPY | success 0 rds | [0..rds): returndata | * | * 60 0x60 | PUSH1 0x60 | 0x60 success 0 rds | [0..rds): returndata | * 57 | JUMPI | 0 rds | [0..rds): returndata | * | * ::: revert ::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::: | * fd | REVERT | | [0..rds): returndata | * | * ::: return ::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::::: | * 5b | JUMPDEST | 0 rds | [0..rds): returndata | * f3 | RETURN | | [0..rds): returndata | * ---------------------------------------------------------------------------------------------------+ */ mstore(data, 0x5af43d3d93803e606057fd5bf3) // Write the bytecode before the data. mstore(sub(data, 0x0d), implementation) // Write the address of the implementation. // Write the rest of the bytecode. mstore( sub(data, 0x21), or(shl(0x48, extraLength), 0x593da1005b363d3d373d3d3d3d610000806062363936013d73) ) // `keccak256("ReceiveETH(uint256)")` mstore( sub(data, 0x3a), 0x9e4ac34f21c619cefc926c8bd93b54bf5a39c7ab2127a895af1cc0691d7e3dff ) mstore( // Do a out-of-gas revert if `extraLength` is too big. 0xffff - 0x62 + 0x01 = 0xff9e. // The actual EVM limit may be smaller and may change over time. sub(data, add(0x59, lt(extraLength, 0xff9e))), or(shl(0x78, add(extraLength, 0x62)), 0xfd6100003d81600a3d39f336602c57343d527f) ) mstore(dataEnd, shl(0xf0, extraLength)) instance := create(value, sub(data, 0x4c), add(extraLength, 0x6c)) if iszero(instance) { mstore(0x00, 0x30116425) // `DeploymentFailed()`. revert(0x1c, 0x04) } // Restore the overwritten memory surrounding `data`. mstore(dataEnd, mAfter1) mstore(data, dataLength) mstore(sub(data, 0x20), mBefore1) mstore(sub(data, 0x40), mBefore2) mstore(sub(data, 0x60), mBefore3) } } /// @dev Deploys a deterministic clone of `implementation` /// with immutable arguments encoded in `data` and `salt`. function cloneDeterministic(address implementation, bytes memory data, bytes32 salt) internal returns (address instance) { instance = cloneDeterministic(0, implementation, data, salt); } /// @dev Deploys a deterministic clone of `implementation` /// with immutable arguments encoded in `data` and `salt`. function cloneDeterministic( uint256 value, address implementation, bytes memory data, bytes32 salt ) internal returns (address instance) { assembly { // Compute the boundaries of the data and cache the memory slots around it. let mBefore3 := mload(sub(data, 0x60)) let mBefore2 := mload(sub(data, 0x40)) let mBefore1 := mload(sub(data, 0x20)) let dataLength := mload(data) let dataEnd := add(add(data, 0x20), dataLength) let mAfter1 := mload(dataEnd) // +2 bytes for telling how much data there is appended to the call. let extraLength := add(dataLength, 2) mstore(data, 0x5af43d3d93803e606057fd5bf3) // Write the bytecode before the data. mstore(sub(data, 0x0d), implementation) // Write the address of the implementation. // Write the rest of the bytecode. mstore( sub(data, 0x21), or(shl(0x48, extraLength), 0x593da1005b363d3d373d3d3d3d610000806062363936013d73) ) // `keccak256("ReceiveETH(uint256)")` mstore( sub(data, 0x3a), 0x9e4ac34f21c619cefc926c8bd93b54bf5a39c7ab2127a895af1cc0691d7e3dff ) mstore( // Do a out-of-gas revert if `extraLength` is too big. 0xffff - 0x62 + 0x01 = 0xff9e. // The actual EVM limit may be smaller and may change over time. sub(data, add(0x59, lt(extraLength, 0xff9e))), or(shl(0x78, add(extraLength, 0x62)), 0xfd6100003d81600a3d39f336602c57343d527f) ) mstore(dataEnd, shl(0xf0, extraLength)) instance := create2(value, sub(data, 0x4c), add(extraLength, 0x6c), salt) if iszero(instance) { mstore(0x00, 0x30116425) // `DeploymentFailed()`. revert(0x1c, 0x04) } // Restore the overwritten memory surrounding `data`. mstore(dataEnd, mAfter1) mstore(data, dataLength) mstore(sub(data, 0x20), mBefore1) mstore(sub(data, 0x40), mBefore2) mstore(sub(data, 0x60), mBefore3) } } /// @dev Returns the initialization code hash of the clone of `implementation` /// using immutable arguments encoded in `data`. function initCode(address implementation, bytes memory data) internal pure returns (bytes memory result) { /// @solidity memory-safe-assembly assembly { result := mload(0x40) let dataLength := mload(data) // Do a out-of-gas revert if `dataLength` is too big. 0xffff - 0x02 - 0x62 = 0xff9b. // The actual EVM limit may be smaller and may change over time. returndatacopy(returndatasize(), returndatasize(), gt(dataLength, 0xff9b)) let o := add(result, 0x8c) let end := add(o, dataLength) // Copy the `data` into `result`. for { let d := sub(add(data, 0x20), o) } 1 {} { mstore(o, mload(add(o, d))) o := add(o, 0x20) if iszero(lt(o, end)) { break } } // +2 bytes for telling how much data there is appended to the call. let extraLength := add(dataLength, 2) mstore(add(result, 0x6c), 0x5af43d3d93803e606057fd5bf3) // Write the bytecode before the data. mstore(add(result, 0x5f), implementation) // Write the address of the implementation. // Write the rest of the bytecode. mstore( add(result, 0x4b), or(shl(0x48, extraLength), 0x593da1005b363d3d373d3d3d3d610000806062363936013d73) ) // `keccak256("ReceiveETH(uint256)")` mstore( add(result, 0x32), 0x9e4ac34f21c619cefc926c8bd93b54bf5a39c7ab2127a895af1cc0691d7e3dff ) mstore( add(result, 0x12), or(shl(0x78, add(extraLength, 0x62)), 0x6100003d81600a3d39f336602c57343d527f) ) mstore(end, shl(0xf0, extraLength)) mstore(add(end, 0x02), 0) // Zeroize the slot after the result. mstore(result, add(extraLength, 0x6c)) // Store the length. mstore(0x40, add(0x22, end)) // Allocate memory. } } /// @dev Returns the initialization code hash of the clone of `implementation` /// using immutable arguments encoded in `data`. /// Used for mining vanity addresses with create2crunch. function initCodeHash(address implementation, bytes memory data) internal pure returns (bytes32 hash) { assembly { // Compute the boundaries of the data and cache the memory slots around it. let mBefore3 := mload(sub(data, 0x60)) let mBefore2 := mload(sub(data, 0x40)) let mBefore1 := mload(sub(data, 0x20)) let dataLength := mload(data) let dataEnd := add(add(data, 0x20), dataLength) let mAfter1 := mload(dataEnd) // Do a out-of-gas revert if `dataLength` is too big. 0xffff - 0x02 - 0x62 = 0xff9b. // The actual EVM limit may be smaller and may change over time. returndatacopy(returndatasize(), returndatasize(), gt(dataLength, 0xff9b)) // +2 bytes for telling how much data there is appended to the call. let extraLength := add(dataLength, 2) mstore(data, 0x5af43d3d93803e606057fd5bf3) // Write the bytecode before the data. mstore(sub(data, 0x0d), implementation) // Write the address of the implementation. // Write the rest of the bytecode. mstore( sub(data, 0x21), or(shl(0x48, extraLength), 0x593da1005b363d3d373d3d3d3d610000806062363936013d73) ) // `keccak256("ReceiveETH(uint256)")` mstore( sub(data, 0x3a), 0x9e4ac34f21c619cefc926c8bd93b54bf5a39c7ab2127a895af1cc0691d7e3dff ) mstore( sub(data, 0x5a), or(shl(0x78, add(extraLength, 0x62)), 0x6100003d81600a3d39f336602c57343d527f) ) mstore(dataEnd, shl(0xf0, extraLength)) hash := keccak256(sub(data, 0x4c), add(extraLength, 0x6c)) // Restore the overwritten memory surrounding `data`. mstore(dataEnd, mAfter1) mstore(data, dataLength) mstore(sub(data, 0x20), mBefore1) mstore(sub(data, 0x40), mBefore2) mstore(sub(data, 0x60), mBefore3) } } /// @dev Returns the address of the deterministic clone of /// `implementation` using immutable arguments encoded in `data`, with `salt`, by `deployer`. /// Note: The returned result has dirty upper 96 bits. Please clean if used in assembly. function predictDeterministicAddress( address implementation, bytes memory data, bytes32 salt, address deployer ) internal pure returns (address predicted) { bytes32 hash = initCodeHash(implementation, data); predicted = predictDeterministicAddress(hash, salt, deployer); } /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/ /* MINIMAL ERC1967 PROXY OPERATIONS */ /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/ // Note: The ERC1967 proxy here is intended to be upgraded with UUPS. // This is NOT the same as ERC1967Factory's transparent proxy, which includes admin logic. /// @dev Deploys a minimal ERC1967 proxy with `implementation`. function deployERC1967(address implementation) internal returns (address instance) { instance = deployERC1967(0, implementation); } /// @dev Deploys a minimal ERC1967 proxy with `implementation`. /// Deposits `value` ETH during deployment. function deployERC1967(uint256 value, address implementation) internal returns (address instance) { /// @solidity memory-safe-assembly assembly { /** * ---------------------------------------------------------------------------------+ * CREATION (34 bytes) | * ---------------------------------------------------------------------------------| * Opcode | Mnemonic | Stack | Memory | * ---------------------------------------------------------------------------------| * 60 runSize | PUSH1 runSize | r | | * 3d | RETURNDATASIZE | 0 r | | * 81 | DUP2 | r 0 r | | * 60 offset | PUSH1 offset | o r 0 r | | * 3d | RETURNDATASIZE | 0 o r 0 r | | * 39 | CODECOPY | 0 r | [0..runSize): runtime code | * 73 impl | PUSH20 impl | impl 0 r | [0..runSize): runtime code | * 60 slotPos | PUSH1 slotPos | slotPos impl 0 r | [0..runSize): runtime code | * 51 | MLOAD | slot impl 0 r | [0..runSize): runtime code | * 55 | SSTORE | 0 r | [0..runSize): runtime code | * f3 | RETURN | | [0..runSize): runtime code | * ---------------------------------------------------------------------------------| * RUNTIME (61 bytes) | * ---------------------------------------------------------------------------------| * Opcode | Mnemonic | Stack | Memory | * ---------------------------------------------------------------------------------| * | * ::: copy calldata to memory :::::::::::::::::::::::::::::::::::::::::::::::::::: | * 36 | CALLDATASIZE | cds | | * 3d | RETURNDATASIZE | 0 cds | | * 3d | RETURNDATASIZE | 0 0 cds | | * 37 | CALLDATACOPY | | [0..calldatasize): calldata | * | * ::: delegatecall to implementation ::::::::::::::::::::::::::::::::::::::::::::: | * 3d | RETURNDATASIZE | 0 | | * 3d | RETURNDATASIZE | 0 0 | | * 36 | CALLDATASIZE | cds 0 0 | [0..calldatasize): calldata | * 3d | RETURNDATASIZE | 0 cds 0 0 | [0..calldatasize): calldata | * 7f slot | PUSH32 slot | s 0 cds 0 0 | [0..calldatasize): calldata | * 54 | SLOAD | i 0 cds 0 0 | [0..calldatasize): calldata | * 5a | GAS | g i 0 cds 0 0 | [0..calldatasize): calldata | * f4 | DELEGATECALL | succ | [0..calldatasize): calldata | * | * ::: copy returndata to memory :::::::::::::::::::::::::::::::::::::::::::::::::: | * 3d | RETURNDATASIZE | rds succ | [0..calldatasize): calldata | * 60 0x00 | PUSH1 0x00 | 0 rds succ | [0..calldatasize): calldata | * 80 | DUP1 | 0 0 rds succ | [0..calldatasize): calldata | * 3e | RETURNDATACOPY | succ | [0..returndatasize): returndata | * | * ::: branch on delegatecall status :::::::::::::::::::::::::::::::::::::::::::::: | * 60 0x38 | PUSH1 0x38 | dest succ | [0..returndatasize): returndata | * 57 | JUMPI | | [0..returndatasize): returndata | * | * ::: delegatecall failed, revert :::::::::::::::::::::::::::::::::::::::::::::::: | * 3d | RETURNDATASIZE | rds | [0..returndatasize): returndata | * 60 0x00 | PUSH1 0x00 | 0 rds | [0..returndatasize): returndata | * fd | REVERT | | [0..returndatasize): returndata | * | * ::: delegatecall succeeded, return ::::::::::::::::::::::::::::::::::::::::::::: | * 5b | JUMPDEST | | [0..returndatasize): returndata | * 3d | RETURNDATASIZE | rds | [0..returndatasize): returndata | * 60 0x00 | PUSH1 0x00 | 0 rds | [0..returndatasize): returndata | * f3 | RETURN | | [0..returndatasize): returndata | * ---------------------------------------------------------------------------------+ */ let m := mload(0x40) // Cache the free memory pointer. mstore(0x60, 0xcc3735a920a3ca505d382bbc545af43d6000803e6038573d6000fd5b3d6000f3) mstore(0x40, 0x5155f3363d3d373d3d363d7f360894a13ba1a3210667c828492db98dca3e2076) mstore(0x20, 0x6009) mstore(0x1e, implementation) mstore(0x0a, 0x603d3d8160223d3973) instance := create(value, 0x21, 0x5f) if iszero(instance) { mstore(0x00, 0x30116425) // `DeploymentFailed()`. revert(0x1c, 0x04) } mstore(0x40, m) // Restore the free memory pointer. mstore(0x60, 0) // Restore the zero slot. } } /// @dev Deploys a deterministic minimal ERC1967 proxy with `implementation` and `salt`. function deployDeterministicERC1967(address implementation, bytes32 salt) internal returns (address instance) { instance = deployDeterministicERC1967(0, implementation, salt); } /// @dev Deploys a deterministic minimal ERC1967 proxy with `implementation` and `salt`. /// Deposits `value` ETH during deployment. function deployDeterministicERC1967(uint256 value, address implementation, bytes32 salt) internal returns (address instance) { /// @solidity memory-safe-assembly assembly { let m := mload(0x40) // Cache the free memory pointer. mstore(0x60, 0xcc3735a920a3ca505d382bbc545af43d6000803e6038573d6000fd5b3d6000f3) mstore(0x40, 0x5155f3363d3d373d3d363d7f360894a13ba1a3210667c828492db98dca3e2076) mstore(0x20, 0x6009) mstore(0x1e, implementation) mstore(0x0a, 0x603d3d8160223d3973) instance := create2(value, 0x21, 0x5f, salt) if iszero(instance) { mstore(0x00, 0x30116425) // `DeploymentFailed()`. revert(0x1c, 0x04) } mstore(0x40, m) // Restore the free memory pointer. mstore(0x60, 0) // Restore the zero slot. } } /// @dev Creates a deterministic minimal ERC1967 proxy with `implementation` and `salt`. /// Note: This method is intended for use in ERC4337 factories, /// which are expected to NOT revert if the proxy is already deployed. function createDeterministicERC1967(address implementation, bytes32 salt) internal returns (bool alreadyDeployed, address instance) { return createDeterministicERC1967(0, implementation, salt); } /// @dev Creates a deterministic minimal ERC1967 proxy with `implementation` and `salt`. /// Deposits `value` ETH during deployment. /// Note: This method is intended for use in ERC4337 factories, /// which are expected to NOT revert if the proxy is already deployed. function createDeterministicERC1967(uint256 value, address implementation, bytes32 salt) internal returns (bool alreadyDeployed, address instance) { /// @solidity memory-safe-assembly assembly { let m := mload(0x40) // Cache the free memory pointer. mstore(0x60, 0xcc3735a920a3ca505d382bbc545af43d6000803e6038573d6000fd5b3d6000f3) mstore(0x40, 0x5155f3363d3d373d3d363d7f360894a13ba1a3210667c828492db98dca3e2076) mstore(0x20, 0x6009) mstore(0x1e, implementation) mstore(0x0a, 0x603d3d8160223d3973) // Compute and store the bytecode hash. mstore(add(m, 0x35), keccak256(0x21, 0x5f)) mstore(m, shl(88, address())) mstore8(m, 0xff) // Write the prefix. mstore(add(m, 0x15), salt) instance := keccak256(m, 0x55) for {} 1 {} { if iszero(extcodesize(instance)) { instance := create2(value, 0x21, 0x5f, salt) if iszero(instance) { mstore(0x00, 0x30116425) // `DeploymentFailed()`. revert(0x1c, 0x04) } break } alreadyDeployed := 1 if iszero(value) { break } if iszero(call(gas(), instance, value, codesize(), 0x00, codesize(), 0x00)) { mstore(0x00, 0xb12d13eb) // `ETHTransferFailed()`. revert(0x1c, 0x04) } break } mstore(0x40, m) // Restore the free memory pointer. mstore(0x60, 0) // Restore the zero slot. } } /// @dev Returns the initialization code of the minimal ERC1967 proxy of `implementation`. function initCodeERC1967(address implementation) internal pure returns (bytes memory result) { /// @solidity memory-safe-assembly assembly { result := mload(0x40) mstore( add(result, 0x60), 0x3735a920a3ca505d382bbc545af43d6000803e6038573d6000fd5b3d6000f300 ) mstore( add(result, 0x40), 0x55f3363d3d373d3d363d7f360894a13ba1a3210667c828492db98dca3e2076cc ) mstore(add(result, 0x20), or(shl(24, implementation), 0x600951)) mstore(add(result, 0x09), 0x603d3d8160223d3973) mstore(result, 0x5f) // Store the length. mstore(0x40, add(result, 0x80)) // Allocate memory. } } /// @dev Returns the initialization code hash of the minimal ERC1967 proxy of `implementation`. /// Used for mining vanity addresses with create2crunch. function initCodeHashERC1967(address implementation) internal pure returns (bytes32 hash) { /// @solidity memory-safe-assembly assembly { let m := mload(0x40) // Cache the free memory pointer. mstore(0x60, 0xcc3735a920a3ca505d382bbc545af43d6000803e6038573d6000fd5b3d6000f3) mstore(0x40, 0x5155f3363d3d373d3d363d7f360894a13ba1a3210667c828492db98dca3e2076) mstore(0x20, 0x6009) mstore(0x1e, implementation) mstore(0x0a, 0x603d3d8160223d3973) hash := keccak256(0x21, 0x5f) mstore(0x40, m) // Restore the free memory pointer. mstore(0x60, 0) // Restore the zero slot. } } /// @dev Returns the address of the deterministic ERC1967 proxy of `implementation`, /// with `salt` by `deployer`. /// Note: The returned result has dirty upper 96 bits. Please clean if used in assembly. function predictDeterministicAddressERC1967( address implementation, bytes32 salt, address deployer ) internal pure returns (address predicted) { bytes32 hash = initCodeHashERC1967(implementation); predicted = predictDeterministicAddress(hash, salt, deployer); } /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/ /* ERC1967I PROXY OPERATIONS */ /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/ // Note: This proxy has a special code path that activates if `calldatasize() == 1`. // This code path skips the delegatecall and directly returns the `implementation` address. // The returned implementation is guaranteed to be valid if the keccak256 of the // proxy's code is equal to `ERC1967I_CODE_HASH`. /// @dev Deploys a minimal ERC1967I proxy with `implementation`. function deployERC1967I(address implementation) internal returns (address instance) { instance = deployERC1967I(0, implementation); } /// @dev Deploys a ERC1967I proxy with `implementation`. /// Deposits `value` ETH during deployment. function deployERC1967I(uint256 value, address implementation) internal returns (address instance) { /// @solidity memory-safe-assembly assembly { /** * ---------------------------------------------------------------------------------+ * CREATION (34 bytes) | * ---------------------------------------------------------------------------------| * Opcode | Mnemonic | Stack | Memory | * ---------------------------------------------------------------------------------| * 60 runSize | PUSH1 runSize | r | | * 3d | RETURNDATASIZE | 0 r | | * 81 | DUP2 | r 0 r | | * 60 offset | PUSH1 offset | o r 0 r | | * 3d | RETURNDATASIZE | 0 o r 0 r | | * 39 | CODECOPY | 0 r | [0..runSize): runtime code | * 73 impl | PUSH20 impl | impl 0 r | [0..runSize): runtime code | * 60 slotPos | PUSH1 slotPos | slotPos impl 0 r | [0..runSize): runtime code | * 51 | MLOAD | slot impl 0 r | [0..runSize): runtime code | * 55 | SSTORE | 0 r | [0..runSize): runtime code | * f3 | RETURN | | [0..runSize): runtime code | * ---------------------------------------------------------------------------------| * RUNTIME (82 bytes) | * ---------------------------------------------------------------------------------| * Opcode | Mnemonic | Stack | Memory | * ---------------------------------------------------------------------------------| * | * ::: check calldatasize ::::::::::::::::::::::::::::::::::::::::::::::::::::::::: | * 36 | CALLDATASIZE | cds | | * 58 | PC | 1 cds | | * 14 | EQ | eqs | | * 60 0x43 | PUSH1 0x43 | dest eqs | | * 57 | JUMPI | | | * | * ::: copy calldata to memory :::::::::::::::::::::::::::::::::::::::::::::::::::: | * 36 | CALLDATASIZE | cds | | * 3d | RETURNDATASIZE | 0 cds | | * 3d | RETURNDATASIZE | 0 0 cds | | * 37 | CALLDATACOPY | | [0..calldatasize): calldata | * | * ::: delegatecall to implementation ::::::::::::::::::::::::::::::::::::::::::::: | * 3d | RETURNDATASIZE | 0 | | * 3d | RETURNDATASIZE | 0 0 | | * 36 | CALLDATASIZE | cds 0 0 | [0..calldatasize): calldata | * 3d | RETURNDATASIZE | 0 cds 0 0 | [0..calldatasize): calldata | * 7f slot | PUSH32 slot | s 0 cds 0 0 | [0..calldatasize): calldata | * 54 | SLOAD | i 0 cds 0 0 | [0..calldatasize): calldata | * 5a | GAS | g i 0 cds 0 0 | [0..calldatasize): calldata | * f4 | DELEGATECALL | succ | [0..calldatasize): calldata | * | * ::: copy returndata to memory :::::::::::::::::::::::::::::::::::::::::::::::::: | * 3d | RETURNDATASIZE | rds succ | [0..calldatasize): calldata | * 60 0x00 | PUSH1 0x00 | 0 rds succ | [0..calldatasize): calldata | * 80 | DUP1 | 0 0 rds succ | [0..calldatasize): calldata | * 3e | RETURNDATACOPY | succ | [0..returndatasize): returndata | * | * ::: branch on delegatecall status :::::::::::::::::::::::::::::::::::::::::::::: | * 60 0x3E | PUSH1 0x3E | dest succ | [0..returndatasize): returndata | * 57 | JUMPI | | [0..returndatasize): returndata | * | * ::: delegatecall failed, revert :::::::::::::::::::::::::::::::::::::::::::::::: | * 3d | RETURNDATASIZE | rds | [0..returndatasize): returndata | * 60 0x00 | PUSH1 0x00 | 0 rds | [0..returndatasize): returndata | * fd | REVERT | | [0..returndatasize): returndata | * | * ::: delegatecall succeeded, return ::::::::::::::::::::::::::::::::::::::::::::: | * 5b | JUMPDEST | | [0..returndatasize): returndata | * 3d | RETURNDATASIZE | rds | [0..returndatasize): returndata | * 60 0x00 | PUSH1 0x00 | 0 rds | [0..returndatasize): returndata | * f3 | RETURN | | [0..returndatasize): returndata | * | * ::: implementation , return :::::::::::::::::::::::::::::::::::::::::::::::::::: | * 5b | JUMPDEST | | | * 60 0x20 | PUSH1 0x20 | 32 | | * 60 0x0F | PUSH1 0x0F | o 32 | | * 3d | RETURNDATASIZE | 0 o 32 | | * 39 | CODECOPY | | [0..32): implementation slot | * 3d | RETURNDATASIZE | 0 | [0..32): implementation slot | * 51 | MLOAD | slot | [0..32): implementation slot | * 54 | SLOAD | impl | [0..32): implementation slot | * 3d | RETURNDATASIZE | 0 impl | [0..32): implementation slot | * 52 | MSTORE | | [0..32): implementation address | * 59 | MSIZE | 32 | [0..32): implementation address | * 3d | RETURNDATASIZE | 0 32 | [0..32): implementation address | * f3 | RETURN | | [0..32): implementation address | * | * ---------------------------------------------------------------------------------+ */ let m := mload(0x40) // Cache the free memory pointer. mstore(0x60, 0x3d6000803e603e573d6000fd5b3d6000f35b6020600f3d393d51543d52593df3) mstore(0x40, 0xa13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc545af4) mstore(0x20, 0x600f5155f3365814604357363d3d373d3d363d7f360894) mstore(0x09, or(shl(160, 0x60523d8160223d3973), shr(96, shl(96, implementation)))) instance := create(value, 0x0c, 0x74) if iszero(instance) { mstore(0x00, 0x30116425) // `DeploymentFailed()`. revert(0x1c, 0x04) } mstore(0x40, m) // Restore the free memory pointer. mstore(0x60, 0) // Restore the zero slot. } } /// @dev Deploys a deterministic ERC1967I proxy with `implementation` and `salt`. function deployDeterministicERC1967I(address implementation, bytes32 salt) internal returns (address instance) { instance = deployDeterministicERC1967I(0, implementation, salt); } /// @dev Deploys a deterministic ERC1967I proxy with `implementation` and `salt`. /// Deposits `value` ETH during deployment. function deployDeterministicERC1967I(uint256 value, address implementation, bytes32 salt) internal returns (address instance) { /// @solidity memory-safe-assembly assembly { let m := mload(0x40) // Cache the free memory pointer. mstore(0x60, 0x3d6000803e603e573d6000fd5b3d6000f35b6020600f3d393d51543d52593df3) mstore(0x40, 0xa13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc545af4) mstore(0x20, 0x600f5155f3365814604357363d3d373d3d363d7f360894) mstore(0x09, or(shl(160, 0x60523d8160223d3973), shr(96, shl(96, implementation)))) instance := create2(value, 0x0c, 0x74, salt) if iszero(instance) { mstore(0x00, 0x30116425) // `DeploymentFailed()`. revert(0x1c, 0x04) } mstore(0x40, m) // Restore the free memory pointer. mstore(0x60, 0) // Restore the zero slot. } } /// @dev Creates a deterministic ERC1967I proxy with `implementation` and `salt`. /// Note: This method is intended for use in ERC4337 factories, /// which are expected to NOT revert if the proxy is already deployed. function createDeterministicERC1967I(address implementation, bytes32 salt) internal returns (bool alreadyDeployed, address instance) { return createDeterministicERC1967I(0, implementation, salt); } /// @dev Creates a deterministic ERC1967I proxy with `implementation` and `salt`. /// Deposits `value` ETH during deployment. /// Note: This method is intended for use in ERC4337 factories, /// which are expected to NOT revert if the proxy is already deployed. function createDeterministicERC1967I(uint256 value, address implementation, bytes32 salt) internal returns (bool alreadyDeployed, address instance) { /// @solidity memory-safe-assembly assembly { let m := mload(0x40) // Cache the free memory pointer. mstore(0x60, 0x3d6000803e603e573d6000fd5b3d6000f35b6020600f3d393d51543d52593df3) mstore(0x40, 0xa13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc545af4) mstore(0x20, 0x600f5155f3365814604357363d3d373d3d363d7f360894) mstore(0x09, or(shl(160, 0x60523d8160223d3973), shr(96, shl(96, implementation)))) // Compute and store the bytecode hash. mstore(add(m, 0x35), keccak256(0x0c, 0x74)) mstore(m, shl(88, address())) mstore8(m, 0xff) // Write the prefix. mstore(add(m, 0x15), salt) instance := keccak256(m, 0x55) for {} 1 {} { if iszero(extcodesize(instance)) { instance := create2(value, 0x0c, 0x74, salt) if iszero(instance) { mstore(0x00, 0x30116425) // `DeploymentFailed()`. revert(0x1c, 0x04) } break } alreadyDeployed := 1 if iszero(value) { break } if iszero(call(gas(), instance, value, codesize(), 0x00, codesize(), 0x00)) { mstore(0x00, 0xb12d13eb) // `ETHTransferFailed()`. revert(0x1c, 0x04) } break } mstore(0x40, m) // Restore the free memory pointer. mstore(0x60, 0) // Restore the zero slot. } } /// @dev Returns the initialization code of the minimal ERC1967 proxy of `implementation`. function initCodeERC1967I(address implementation) internal pure returns (bytes memory result) { /// @solidity memory-safe-assembly assembly { result := mload(0x40) mstore( add(result, 0x74), 0x3d6000803e603e573d6000fd5b3d6000f35b6020600f3d393d51543d52593df3 ) mstore( add(result, 0x54), 0xa13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc545af4 ) mstore(add(result, 0x34), 0x600f5155f3365814604357363d3d373d3d363d7f360894) mstore(add(result, 0x1d), implementation) mstore(add(result, 0x09), 0x60523d8160223d3973) mstore(add(result, 0x94), 0) mstore(result, 0x74) // Store the length. mstore(0x40, add(result, 0xa0)) // Allocate memory. } } /// @dev Returns the initialization code hash of the minimal ERC1967 proxy of `implementation`. /// Used for mining vanity addresses with create2crunch. function initCodeHashERC1967I(address implementation) internal pure returns (bytes32 hash) { /// @solidity memory-safe-assembly assembly { let m := mload(0x40) // Cache the free memory pointer. mstore(0x60, 0x3d6000803e603e573d6000fd5b3d6000f35b6020600f3d393d51543d52593df3) mstore(0x40, 0xa13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc545af4) mstore(0x20, 0x600f5155f3365814604357363d3d373d3d363d7f360894) mstore(0x09, or(shl(160, 0x60523d8160223d3973), shr(96, shl(96, implementation)))) hash := keccak256(0x0c, 0x74) mstore(0x40, m) // Restore the free memory pointer. mstore(0x60, 0) // Restore the zero slot. } } /// @dev Returns the address of the deterministic ERC1967I proxy of `implementation`, /// with `salt` by `deployer`. /// Note: The returned result has dirty upper 96 bits. Please clean if used in assembly. function predictDeterministicAddressERC1967I( address implementation, bytes32 salt, address deployer ) internal pure returns (address predicted) { bytes32 hash = initCodeHashERC1967I(implementation); predicted = predictDeterministicAddress(hash, salt, deployer); } /*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/ /* OTHER OPERATIONS */ /*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/ /// @dev Returns the address when a contract with initialization code hash, /// `hash`, is deployed with `salt`, by `deployer`. /// Note: The returned result has dirty upper 96 bits. Please clean if used in assembly. function predictDeterministicAddress(bytes32 hash, bytes32 salt, address deployer) internal pure returns (address predicted) { /// @solidity memory-safe-assembly assembly { // Compute and store the bytecode hash. mstore8(0x00, 0xff) // Write the prefix. mstore(0x35, hash) mstore(0x01, shl(96, deployer)) mstore(0x15, salt) predicted := keccak256(0x00, 0x55) mstore(0x35, 0) // Restore the overwritten part of the free memory pointer. } } /// @dev Requires that `salt` starts with either the zero address or `by`. function checkStartsWith(bytes32 salt, address by) internal pure { /// @solidity memory-safe-assembly assembly { // If the salt does not start with the zero address or `by`. if iszero(or(iszero(shr(96, salt)), eq(shr(96, shl(96, by)), shr(96, salt)))) { mstore(0x00, 0x0c4549ef) // `SaltDoesNotStartWith()`. revert(0x1c, 0x04) } } } }
// SPDX-License-Identifier: GPL-3.0 pragma solidity >=0.7.5; /** * User Operation struct * @param sender - The sender account of this request. * @param nonce - Unique value the sender uses to verify it is not a replay. * @param initCode - If set, the account contract will be created by this constructor/ * @param callData - The method call to execute on this account. * @param accountGasLimits - Packed gas limits for validateUserOp and gas limit passed to the callData method call. * @param preVerificationGas - Gas not calculated by the handleOps method, but added to the gas paid. * Covers batch overhead. * @param gasFees - packed gas fields maxFeePerGas and maxPriorityFeePerGas - Same as EIP-1559 gas parameter. * @param paymasterAndData - If set, this field holds the paymaster address, verification gas limit, postOp gas limit and paymaster-specific extra data * The paymaster will pay for the transaction instead of the sender. * @param signature - Sender-verified signature over the entire request, the EntryPoint address and the chain ID. */ struct PackedUserOperation { address sender; uint256 nonce; bytes initCode; bytes callData; bytes32 accountGasLimits; uint256 preVerificationGas; bytes32 gasFees; //maxPriorityFee and maxFeePerGas; bytes paymasterAndData; bytes signature; }
// SPDX-License-Identifier: GPL-3.0-only pragma solidity >=0.7.5; /** * Manage deposits and stakes. * Deposit is just a balance used to pay for UserOperations (either by a paymaster or an account). * Stake is value locked for at least "unstakeDelay" by the staked entity. */ interface IStakeManager { event Deposited(address indexed account, uint256 totalDeposit); event Withdrawn(address indexed account, address withdrawAddress, uint256 amount); // Emitted when stake or unstake delay are modified. event StakeLocked(address indexed account, uint256 totalStaked, uint256 unstakeDelaySec); // Emitted once a stake is scheduled for withdrawal. event StakeUnlocked(address indexed account, uint256 withdrawTime); event StakeWithdrawn(address indexed account, address withdrawAddress, uint256 amount); /** * @param deposit - The entity's deposit. * @param staked - True if this entity is staked. * @param stake - Actual amount of ether staked for this entity. * @param unstakeDelaySec - Minimum delay to withdraw the stake. * @param withdrawTime - First block timestamp where 'withdrawStake' will be callable, or zero if already locked. * @dev Sizes were chosen so that deposit fits into one cell (used during handleOp) * and the rest fit into a 2nd cell (used during stake/unstake) * - 112 bit allows for 10^15 eth * - 48 bit for full timestamp * - 32 bit allows 150 years for unstake delay */ struct DepositInfo { uint256 deposit; bool staked; uint112 stake; uint32 unstakeDelaySec; uint48 withdrawTime; } // API struct used by getStakeInfo and simulateValidation. struct StakeInfo { uint256 stake; uint256 unstakeDelaySec; } /** * Get deposit info. * @param account - The account to query. * @return info - Full deposit information of given account. */ function getDepositInfo(address account) external view returns (DepositInfo memory info); /** * Get account balance. * @param account - The account to query. * @return - The deposit (for gas payment) of the account. */ function balanceOf(address account) external view returns (uint256); /** * Add to the deposit of the given account. * @param account - The account to add to. */ function depositTo(address account) external payable; /** * Add to the account's stake - amount and delay * any pending unstake is first cancelled. * @param _unstakeDelaySec - The new lock duration before the deposit can be withdrawn. */ function addStake(uint32 _unstakeDelaySec) external payable; /** * Attempt to unlock the stake. * The value can be withdrawn (using withdrawStake) after the unstake delay. */ function unlockStake() external; /** * Withdraw from the (unlocked) stake. * Must first call unlockStake and wait for the unstakeDelay to pass. * @param withdrawAddress - The address to send withdrawn value. */ function withdrawStake(address payable withdrawAddress) external; /** * Withdraw from the deposit. * @param withdrawAddress - The address to send withdrawn value. * @param withdrawAmount - The amount to withdraw. */ function withdrawTo(address payable withdrawAddress, uint256 withdrawAmount) external; }
// SPDX-License-Identifier: GPL-3.0 pragma solidity >=0.7.5; import "./PackedUserOperation.sol"; /** * Aggregated Signatures validator. */ interface IAggregator { /** * Validate aggregated signature. * Revert if the aggregated signature does not match the given list of operations. * @param userOps - Array of UserOperations to validate the signature for. * @param signature - The aggregated signature. */ function validateSignatures(PackedUserOperation[] calldata userOps, bytes calldata signature) external view; /** * Validate signature of a single userOp. * This method should be called by bundler after EntryPointSimulation.simulateValidation() returns * the aggregator this account uses. * First it validates the signature over the userOp. Then it returns data to be used when creating the handleOps. * @param userOp - The userOperation received from the user. * @return sigForUserOp - The value to put into the signature field of the userOp when calling handleOps. * (usually empty, unless account and aggregator support some kind of "multisig". */ function validateUserOpSignature(PackedUserOperation calldata userOp) external view returns (bytes memory sigForUserOp); /** * Aggregate multiple signatures into a single value. * This method is called off-chain to calculate the signature to pass with handleOps() * bundler MAY use optimized custom code perform this aggregation. * @param userOps - Array of UserOperations to collect the signatures from. * @return aggregatedSignature - The aggregated signature. */ function aggregateSignatures(PackedUserOperation[] calldata userOps) external view returns (bytes memory aggregatedSignature); }
// SPDX-License-Identifier: GPL-3.0 pragma solidity >=0.7.5; interface INonceManager { /** * Return the next nonce for this sender. * Within a given key, the nonce values are sequenced (starting with zero, and incremented by one on each userop) * But UserOp with different keys can come with arbitrary order. * * @param sender the account address * @param key the high 192 bit of the nonce * @return nonce a full nonce to pass for next UserOp with this sender. */ function getNonce(address sender, uint192 key) external view returns (uint256 nonce); /** * Manually increment the nonce of the sender. * This method is exposed just for completeness.. * Account does NOT need to call it, neither during validation, nor elsewhere, * as the EntryPoint will update the nonce regardless. * Possible use-case is call it with various keys to "initialize" their nonces to one, so that future * UserOperations will not pay extra for the first transaction with a given key. */ function incrementNonce(uint192 key) external; }
{ "remappings": [ "forge-std/=lib/forge-std/src/", "lib/solady/=lib/solady/", "src/factory/=src/factory/", "src/interfaces/=src/interfaces/", "ExcessivelySafeCall/=lib/ExcessivelySafeCall/src/", "ds-test/=lib/forge-std/lib/ds-test/src/", "solady/=lib/solady/src/" ], "optimizer": { "enabled": true, "runs": 200 }, "metadata": { "useLiteralContent": false, "bytecodeHash": "none", "appendCBOR": false }, "outputSelection": { "*": { "*": [ "evm.bytecode", "evm.deployedBytecode", "devdoc", "userdoc", "metadata", "abi" ] } }, "evmVersion": "paris", "viaIR": false, "libraries": {} }
Contract Security Audit
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[{"inputs":[{"internalType":"address","name":"_owner","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[],"name":"AlreadyInitialized","type":"error"},{"inputs":[],"name":"NewOwnerIsZeroAddress","type":"error"},{"inputs":[],"name":"NoHandoverRequest","type":"error"},{"inputs":[],"name":"NotApprovedFactory","type":"error"},{"inputs":[],"name":"Unauthorized","type":"error"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"pendingOwner","type":"address"}],"name":"OwnershipHandoverCanceled","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"pendingOwner","type":"address"}],"name":"OwnershipHandoverRequested","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"oldOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"inputs":[{"internalType":"contract KernelFactory","name":"factory","type":"address"},{"internalType":"bool","name":"approval","type":"bool"}],"name":"approveFactory","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"contract KernelFactory","name":"","type":"address"}],"name":"approved","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"cancelOwnershipHandover","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"pendingOwner","type":"address"}],"name":"completeOwnershipHandover","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"contract KernelFactory","name":"factory","type":"address"},{"internalType":"bytes","name":"createData","type":"bytes"},{"internalType":"bytes32","name":"salt","type":"bytes32"}],"name":"deployWithFactory","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"payable","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"result","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"pendingOwner","type":"address"}],"name":"ownershipHandoverExpiresAt","outputs":[{"internalType":"uint256","name":"result","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[],"name":"requestOwnershipHandover","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"contract IEntryPoint","name":"entryPoint","type":"address"},{"internalType":"uint32","name":"unstakeDelay","type":"uint32"}],"name":"stake","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"contract IEntryPoint","name":"entryPoint","type":"address"}],"name":"unlockStake","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[{"internalType":"contract IEntryPoint","name":"entryPoint","type":"address"},{"internalType":"address payable","name":"recipient","type":"address"}],"name":"withdrawStake","outputs":[],"stateMutability":"payable","type":"function"}]
Contract Creation Code
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Deployed Bytecode
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
Constructor Arguments (ABI-Encoded and is the last bytes of the Contract Creation Code above)
0000000000000000000000009775137314fe595c943712b0b336327dfa80ae8a
-----Decoded View---------------
Arg [0] : _owner (address): 0x9775137314fE595c943712B0b336327dfa80aE8A
-----Encoded View---------------
1 Constructor Arguments found :
Arg [0] : 0000000000000000000000009775137314fe595c943712b0b336327dfa80ae8a
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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.