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Latest 25 from a total of 29 transactions
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| Create Obol Vali... | 1131733 | 69 days ago | IN | 0 ETH | 0.00229333 | ||||
| Create Obol Vali... | 800055 | 120 days ago | IN | 0 ETH | 0.00373902 | ||||
| Create Obol Vali... | 739786 | 129 days ago | IN | 0 ETH | 0.00206282 | ||||
| Create Obol Vali... | 723085 | 131 days ago | IN | 0 ETH | 0.00206282 | ||||
| Create Obol Vali... | 723079 | 131 days ago | IN | 0 ETH | 0.00206282 | ||||
| Create Obol Vali... | 723072 | 131 days ago | IN | 0 ETH | 0.00206282 | ||||
| Create Obol Vali... | 574554 | 153 days ago | IN | 0 ETH | 0.00240149 | ||||
| Create Obol Vali... | 534653 | 159 days ago | IN | 0 ETH | 0.00238976 | ||||
| Create Obol Vali... | 534650 | 159 days ago | IN | 0 ETH | 0.00225192 | ||||
| Create Obol Vali... | 534412 | 159 days ago | IN | 0 ETH | 0.00222962 | ||||
| Create Obol Vali... | 534405 | 159 days ago | IN | 0 ETH | 0.00214359 | ||||
| Create Obol Vali... | 527650 | 160 days ago | IN | 0 ETH | 0.00212138 | ||||
| Create Obol Vali... | 526424 | 161 days ago | IN | 0 ETH | 0.00239813 | ||||
| Create Obol Vali... | 500951 | 164 days ago | IN | 0 ETH | 0.00235679 | ||||
| Create Obol Vali... | 500948 | 164 days ago | IN | 0 ETH | 0.00220264 | ||||
| Create Obol Vali... | 500912 | 164 days ago | IN | 0 ETH | 0.00210931 | ||||
| Create Obol Vali... | 500909 | 164 days ago | IN | 0 ETH | 0.00241021 | ||||
| Create Obol Vali... | 499604 | 165 days ago | IN | 0 ETH | 0.00235479 | ||||
| Create Obol Vali... | 499601 | 165 days ago | IN | 0 ETH | 0.00220201 | ||||
| Create Obol Vali... | 446970 | 172 days ago | IN | 0 ETH | 0.00206803 | ||||
| Create Obol Vali... | 446967 | 172 days ago | IN | 0 ETH | 0.00236502 | ||||
| Create Obol Vali... | 446484 | 172 days ago | IN | 0 ETH | 0.00205 | ||||
| Create Obol Vali... | 406001 | 178 days ago | IN | 0 ETH | 0.00375841 | ||||
| Create Obol Vali... | 307822 | 193 days ago | IN | 0 ETH | 0.00224537 | ||||
| Create Obol Vali... | 253038 | 201 days ago | IN | 0 ETH | 0.0021369 |
Latest 25 internal transactions (View All)
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| Parent Transaction Hash | Method | Block |
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| 0x61012060 | 1131733 | 69 days ago | Contract Creation | 0 ETH | |||
| 0x61012060 | 800055 | 120 days ago | Contract Creation | 0 ETH | |||
| 0x61012060 | 739786 | 129 days ago | Contract Creation | 0 ETH | |||
| 0x61012060 | 723085 | 131 days ago | Contract Creation | 0 ETH | |||
| 0x61012060 | 723079 | 131 days ago | Contract Creation | 0 ETH | |||
| 0x61012060 | 723072 | 131 days ago | Contract Creation | 0 ETH | |||
| 0x61012060 | 574554 | 153 days ago | Contract Creation | 0 ETH | |||
| 0x61012060 | 541531 | 158 days ago | Contract Creation | 0 ETH | |||
| Create Obol Vali... | 541531 | 158 days ago | 0 ETH | ||||
| 0x61012060 | 541527 | 158 days ago | Contract Creation | 0 ETH | |||
| Create Obol Vali... | 541527 | 158 days ago | 0 ETH | ||||
| 0x61012060 | 541521 | 158 days ago | Contract Creation | 0 ETH | |||
| Create Obol Vali... | 541521 | 158 days ago | 0 ETH | ||||
| 0x61012060 | 541518 | 158 days ago | Contract Creation | 0 ETH | |||
| Create Obol Vali... | 541518 | 158 days ago | 0 ETH | ||||
| 0x61012060 | 541515 | 158 days ago | Contract Creation | 0 ETH | |||
| Create Obol Vali... | 541515 | 158 days ago | 0 ETH | ||||
| 0x61012060 | 541510 | 158 days ago | Contract Creation | 0 ETH | |||
| Create Obol Vali... | 541510 | 158 days ago | 0 ETH | ||||
| 0x61012060 | 541507 | 158 days ago | Contract Creation | 0 ETH | |||
| Create Obol Vali... | 541507 | 158 days ago | 0 ETH | ||||
| 0x61012060 | 541506 | 158 days ago | Contract Creation | 0 ETH | |||
| Create Obol Vali... | 541506 | 158 days ago | 0 ETH | ||||
| 0x61012060 | 541481 | 158 days ago | Contract Creation | 0 ETH | |||
| Create Obol Vali... | 541481 | 158 days ago | 0 ETH |
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Contract Name:
ObolValidatorManagerFactory
Compiler Version
v0.8.19+commit.7dd6d404
Contract Source Code (Solidity)
/**
*Submitted for verification at Etherscan.io on 2025-04-04
*/
// SPDX-License-Identifier: GPL-3.0-or-later
pragma solidity =0.8.19 >=0.8.0 ^0.8.19 ^0.8.4;
// lib/solady/src/auth/Ownable.sol
/// @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();
/*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/
/* 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: `not(_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.
uint256 private constant _OWNER_SLOT_NOT = 0x8b78c6d8;
/// 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 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 {
/// @solidity memory-safe-assembly
assembly {
// Clean the upper 96 bits.
newOwner := shr(96, shl(96, newOwner))
// Store the new value.
sstore(not(_OWNER_SLOT_NOT), 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 {
/// @solidity memory-safe-assembly
assembly {
let ownerSlot := not(_OWNER_SLOT_NOT)
// 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(not(_OWNER_SLOT_NOT)))) {
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(not(_OWNER_SLOT_NOT))
}
}
/// @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();
_;
}
}
// lib/solady/src/utils/SafeTransferLib.sol
/// @notice Safe ETH and ERC20 transfer library that gracefully handles missing return values.
/// @author Solady (https://github.com/vectorized/solady/blob/main/src/utils/SafeTransferLib.sol)
/// @author Modified from Solmate (https://github.com/transmissions11/solmate/blob/main/src/utils/SafeTransferLib.sol)
///
/// @dev Note:
/// - For ETH transfers, please use `forceSafeTransferETH` for DoS protection.
/// - For ERC20s, this implementation won't check that a token has code,
/// responsibility is delegated to the caller.
library SafeTransferLib {
/*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/
/* CUSTOM ERRORS */
/*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/
/// @dev The ETH transfer has failed.
error ETHTransferFailed();
/// @dev The ERC20 `transferFrom` has failed.
error TransferFromFailed();
/// @dev The ERC20 `transfer` has failed.
error TransferFailed();
/// @dev The ERC20 `approve` has failed.
error ApproveFailed();
/*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/
/* CONSTANTS */
/*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/
/// @dev Suggested gas stipend for contract receiving ETH that disallows any storage writes.
uint256 internal constant GAS_STIPEND_NO_STORAGE_WRITES = 2300;
/// @dev Suggested gas stipend for contract receiving ETH to perform a few
/// storage reads and writes, but low enough to prevent griefing.
uint256 internal constant GAS_STIPEND_NO_GRIEF = 100000;
/*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/
/* ETH OPERATIONS */
/*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/
// If the ETH transfer MUST succeed with a reasonable gas budget, use the force variants.
//
// The regular variants:
// - Forwards all remaining gas to the target.
// - Reverts if the target reverts.
// - Reverts if the current contract has insufficient balance.
//
// The force variants:
// - Forwards with an optional gas stipend
// (defaults to `GAS_STIPEND_NO_GRIEF`, which is sufficient for most cases).
// - If the target reverts, or if the gas stipend is exhausted,
// creates a temporary contract to force send the ETH via `SELFDESTRUCT`.
// Future compatible with `SENDALL`: https://eips.ethereum.org/EIPS/eip-4758.
// - Reverts if the current contract has insufficient balance.
//
// The try variants:
// - Forwards with a mandatory gas stipend.
// - Instead of reverting, returns whether the transfer succeeded.
/// @dev Sends `amount` (in wei) ETH to `to`.
function safeTransferETH(address to, uint256 amount) internal {
/// @solidity memory-safe-assembly
assembly {
if iszero(call(gas(), to, amount, gas(), 0x00, gas(), 0x00)) {
mstore(0x00, 0xb12d13eb) // `ETHTransferFailed()`.
revert(0x1c, 0x04)
}
}
}
/// @dev Sends all the ETH in the current contract to `to`.
function safeTransferAllETH(address to) internal {
/// @solidity memory-safe-assembly
assembly {
// Transfer all the ETH and check if it succeeded or not.
if iszero(call(gas(), to, selfbalance(), gas(), 0x00, gas(), 0x00)) {
mstore(0x00, 0xb12d13eb) // `ETHTransferFailed()`.
revert(0x1c, 0x04)
}
}
}
/// @dev Force sends `amount` (in wei) ETH to `to`, with a `gasStipend`.
function forceSafeTransferETH(address to, uint256 amount, uint256 gasStipend) internal {
/// @solidity memory-safe-assembly
assembly {
if lt(selfbalance(), amount) {
mstore(0x00, 0xb12d13eb) // `ETHTransferFailed()`.
revert(0x1c, 0x04)
}
if iszero(call(gasStipend, to, amount, gas(), 0x00, gas(), 0x00)) {
mstore(0x00, to) // Store the address in scratch space.
mstore8(0x0b, 0x73) // Opcode `PUSH20`.
mstore8(0x20, 0xff) // Opcode `SELFDESTRUCT`.
if iszero(create(amount, 0x0b, 0x16)) {
returndatacopy(gas(), returndatasize(), shr(20, gas())) // For gas estimation.
}
}
}
}
/// @dev Force sends all the ETH in the current contract to `to`, with a `gasStipend`.
function forceSafeTransferAllETH(address to, uint256 gasStipend) internal {
/// @solidity memory-safe-assembly
assembly {
if iszero(call(gasStipend, to, selfbalance(), gas(), 0x00, gas(), 0x00)) {
mstore(0x00, to) // Store the address in scratch space.
mstore8(0x0b, 0x73) // Opcode `PUSH20`.
mstore8(0x20, 0xff) // Opcode `SELFDESTRUCT`.
if iszero(create(selfbalance(), 0x0b, 0x16)) {
returndatacopy(gas(), returndatasize(), shr(20, gas())) // For gas estimation.
}
}
}
}
/// @dev Force sends `amount` (in wei) ETH to `to`, with `GAS_STIPEND_NO_GRIEF`.
function forceSafeTransferETH(address to, uint256 amount) internal {
/// @solidity memory-safe-assembly
assembly {
if lt(selfbalance(), amount) {
mstore(0x00, 0xb12d13eb) // `ETHTransferFailed()`.
revert(0x1c, 0x04)
}
if iszero(call(GAS_STIPEND_NO_GRIEF, to, amount, gas(), 0x00, gas(), 0x00)) {
mstore(0x00, to) // Store the address in scratch space.
mstore8(0x0b, 0x73) // Opcode `PUSH20`.
mstore8(0x20, 0xff) // Opcode `SELFDESTRUCT`.
if iszero(create(amount, 0x0b, 0x16)) {
returndatacopy(gas(), returndatasize(), shr(20, gas())) // For gas estimation.
}
}
}
}
/// @dev Force sends all the ETH in the current contract to `to`, with `GAS_STIPEND_NO_GRIEF`.
function forceSafeTransferAllETH(address to) internal {
/// @solidity memory-safe-assembly
assembly {
if iszero(call(GAS_STIPEND_NO_GRIEF, to, selfbalance(), gas(), 0x00, gas(), 0x00)) {
mstore(0x00, to) // Store the address in scratch space.
mstore8(0x0b, 0x73) // Opcode `PUSH20`.
mstore8(0x20, 0xff) // Opcode `SELFDESTRUCT`.
if iszero(create(selfbalance(), 0x0b, 0x16)) {
returndatacopy(gas(), returndatasize(), shr(20, gas())) // For gas estimation.
}
}
}
}
/// @dev Sends `amount` (in wei) ETH to `to`, with a `gasStipend`.
function trySafeTransferETH(address to, uint256 amount, uint256 gasStipend)
internal
returns (bool success)
{
/// @solidity memory-safe-assembly
assembly {
success := call(gasStipend, to, amount, gas(), 0x00, gas(), 0x00)
}
}
/// @dev Sends all the ETH in the current contract to `to`, with a `gasStipend`.
function trySafeTransferAllETH(address to, uint256 gasStipend)
internal
returns (bool success)
{
/// @solidity memory-safe-assembly
assembly {
success := call(gasStipend, to, selfbalance(), gas(), 0x00, gas(), 0x00)
}
}
/*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/
/* ERC20 OPERATIONS */
/*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/
/// @dev Sends `amount` of ERC20 `token` from `from` to `to`.
/// Reverts upon failure.
///
/// The `from` account must have at least `amount` approved for
/// the current contract to manage.
function safeTransferFrom(address token, address from, address to, uint256 amount) internal {
/// @solidity memory-safe-assembly
assembly {
let m := mload(0x40) // Cache the free memory pointer.
mstore(0x60, amount) // Store the `amount` argument.
mstore(0x40, to) // Store the `to` argument.
mstore(0x2c, shl(96, from)) // Store the `from` argument.
mstore(0x0c, 0x23b872dd000000000000000000000000) // `transferFrom(address,address,uint256)`.
// Perform the transfer, reverting upon failure.
if iszero(
and( // The arguments of `and` are evaluated from right to left.
or(eq(mload(0x00), 1), iszero(returndatasize())), // Returned 1 or nothing.
call(gas(), token, 0, 0x1c, 0x64, 0x00, 0x20)
)
) {
mstore(0x00, 0x7939f424) // `TransferFromFailed()`.
revert(0x1c, 0x04)
}
mstore(0x60, 0) // Restore the zero slot to zero.
mstore(0x40, m) // Restore the free memory pointer.
}
}
/// @dev Sends all of ERC20 `token` from `from` to `to`.
/// Reverts upon failure.
///
/// The `from` account must have their entire balance approved for
/// the current contract to manage.
function safeTransferAllFrom(address token, address from, address to)
internal
returns (uint256 amount)
{
/// @solidity memory-safe-assembly
assembly {
let m := mload(0x40) // Cache the free memory pointer.
mstore(0x40, to) // Store the `to` argument.
mstore(0x2c, shl(96, from)) // Store the `from` argument.
mstore(0x0c, 0x70a08231000000000000000000000000) // `balanceOf(address)`.
// Read the balance, reverting upon failure.
if iszero(
and( // The arguments of `and` are evaluated from right to left.
gt(returndatasize(), 0x1f), // At least 32 bytes returned.
staticcall(gas(), token, 0x1c, 0x24, 0x60, 0x20)
)
) {
mstore(0x00, 0x7939f424) // `TransferFromFailed()`.
revert(0x1c, 0x04)
}
mstore(0x00, 0x23b872dd) // `transferFrom(address,address,uint256)`.
amount := mload(0x60) // The `amount` is already at 0x60. We'll need to return it.
// Perform the transfer, reverting upon failure.
if iszero(
and( // The arguments of `and` are evaluated from right to left.
or(eq(mload(0x00), 1), iszero(returndatasize())), // Returned 1 or nothing.
call(gas(), token, 0, 0x1c, 0x64, 0x00, 0x20)
)
) {
mstore(0x00, 0x7939f424) // `TransferFromFailed()`.
revert(0x1c, 0x04)
}
mstore(0x60, 0) // Restore the zero slot to zero.
mstore(0x40, m) // Restore the free memory pointer.
}
}
/// @dev Sends `amount` of ERC20 `token` from the current contract to `to`.
/// Reverts upon failure.
function safeTransfer(address token, address to, uint256 amount) internal {
/// @solidity memory-safe-assembly
assembly {
mstore(0x14, to) // Store the `to` argument.
mstore(0x34, amount) // Store the `amount` argument.
mstore(0x00, 0xa9059cbb000000000000000000000000) // `transfer(address,uint256)`.
// Perform the transfer, reverting upon failure.
if iszero(
and( // The arguments of `and` are evaluated from right to left.
or(eq(mload(0x00), 1), iszero(returndatasize())), // Returned 1 or nothing.
call(gas(), token, 0, 0x10, 0x44, 0x00, 0x20)
)
) {
mstore(0x00, 0x90b8ec18) // `TransferFailed()`.
revert(0x1c, 0x04)
}
mstore(0x34, 0) // Restore the part of the free memory pointer that was overwritten.
}
}
/// @dev Sends all of ERC20 `token` from the current contract to `to`.
/// Reverts upon failure.
function safeTransferAll(address token, address to) internal returns (uint256 amount) {
/// @solidity memory-safe-assembly
assembly {
mstore(0x00, 0x70a08231) // Store the function selector of `balanceOf(address)`.
mstore(0x20, address()) // Store the address of the current contract.
// Read the balance, reverting upon failure.
if iszero(
and( // The arguments of `and` are evaluated from right to left.
gt(returndatasize(), 0x1f), // At least 32 bytes returned.
staticcall(gas(), token, 0x1c, 0x24, 0x34, 0x20)
)
) {
mstore(0x00, 0x90b8ec18) // `TransferFailed()`.
revert(0x1c, 0x04)
}
mstore(0x14, to) // Store the `to` argument.
amount := mload(0x34) // The `amount` is already at 0x34. We'll need to return it.
mstore(0x00, 0xa9059cbb000000000000000000000000) // `transfer(address,uint256)`.
// Perform the transfer, reverting upon failure.
if iszero(
and( // The arguments of `and` are evaluated from right to left.
or(eq(mload(0x00), 1), iszero(returndatasize())), // Returned 1 or nothing.
call(gas(), token, 0, 0x10, 0x44, 0x00, 0x20)
)
) {
mstore(0x00, 0x90b8ec18) // `TransferFailed()`.
revert(0x1c, 0x04)
}
mstore(0x34, 0) // Restore the part of the free memory pointer that was overwritten.
}
}
/// @dev Sets `amount` of ERC20 `token` for `to` to manage on behalf of the current contract.
/// Reverts upon failure.
function safeApprove(address token, address to, uint256 amount) internal {
/// @solidity memory-safe-assembly
assembly {
mstore(0x14, to) // Store the `to` argument.
mstore(0x34, amount) // Store the `amount` argument.
mstore(0x00, 0x095ea7b3000000000000000000000000) // `approve(address,uint256)`.
// Perform the approval, reverting upon failure.
if iszero(
and( // The arguments of `and` are evaluated from right to left.
or(eq(mload(0x00), 1), iszero(returndatasize())), // Returned 1 or nothing.
call(gas(), token, 0, 0x10, 0x44, 0x00, 0x20)
)
) {
mstore(0x00, 0x3e3f8f73) // `ApproveFailed()`.
revert(0x1c, 0x04)
}
mstore(0x34, 0) // Restore the part of the free memory pointer that was overwritten.
}
}
/// @dev Sets `amount` of ERC20 `token` for `to` to manage on behalf of the current contract.
/// If the initial attempt to approve fails, attempts to reset the approved amount to zero,
/// then retries the approval again (some tokens, e.g. USDT, requires this).
/// Reverts upon failure.
function safeApproveWithRetry(address token, address to, uint256 amount) internal {
/// @solidity memory-safe-assembly
assembly {
mstore(0x14, to) // Store the `to` argument.
mstore(0x34, amount) // Store the `amount` argument.
mstore(0x00, 0x095ea7b3000000000000000000000000) // `approve(address,uint256)`.
// Perform the approval, retrying upon failure.
if iszero(
and( // The arguments of `and` are evaluated from right to left.
or(eq(mload(0x00), 1), iszero(returndatasize())), // Returned 1 or nothing.
call(gas(), token, 0, 0x10, 0x44, 0x00, 0x20)
)
) {
mstore(0x34, 0) // Store 0 for the `amount`.
mstore(0x00, 0x095ea7b3000000000000000000000000) // `approve(address,uint256)`.
pop(call(gas(), token, 0, 0x10, 0x44, 0x00, 0x00)) // Reset the approval.
mstore(0x34, amount) // Store back the original `amount`.
// Retry the approval, reverting upon failure.
if iszero(
and(
or(eq(mload(0x00), 1), iszero(returndatasize())), // Returned 1 or nothing.
call(gas(), token, 0, 0x10, 0x44, 0x00, 0x20)
)
) {
mstore(0x00, 0x3e3f8f73) // `ApproveFailed()`.
revert(0x1c, 0x04)
}
}
mstore(0x34, 0) // Restore the part of the free memory pointer that was overwritten.
}
}
/// @dev Returns the amount of ERC20 `token` owned by `account`.
/// Returns zero if the `token` does not exist.
function balanceOf(address token, address account) internal view returns (uint256 amount) {
/// @solidity memory-safe-assembly
assembly {
mstore(0x14, account) // Store the `account` argument.
mstore(0x00, 0x70a08231000000000000000000000000) // `balanceOf(address)`.
amount :=
mul(
mload(0x20),
and( // The arguments of `and` are evaluated from right to left.
gt(returndatasize(), 0x1f), // At least 32 bytes returned.
staticcall(gas(), token, 0x10, 0x24, 0x20, 0x20)
)
)
}
}
}
// lib/solmate/src/tokens/ERC20.sol
/// @notice Modern and gas efficient ERC20 + EIP-2612 implementation.
/// @author Solmate (https://github.com/transmissions11/solmate/blob/main/src/tokens/ERC20.sol)
/// @author Modified from Uniswap (https://github.com/Uniswap/uniswap-v2-core/blob/master/contracts/UniswapV2ERC20.sol)
/// @dev Do not manually set balances without updating totalSupply, as the sum of all user balances must not exceed it.
abstract contract ERC20 {
/*//////////////////////////////////////////////////////////////
EVENTS
//////////////////////////////////////////////////////////////*/
event Transfer(address indexed from, address indexed to, uint256 amount);
event Approval(address indexed owner, address indexed spender, uint256 amount);
/*//////////////////////////////////////////////////////////////
METADATA STORAGE
//////////////////////////////////////////////////////////////*/
string public name;
string public symbol;
uint8 public immutable decimals;
/*//////////////////////////////////////////////////////////////
ERC20 STORAGE
//////////////////////////////////////////////////////////////*/
uint256 public totalSupply;
mapping(address => uint256) public balanceOf;
mapping(address => mapping(address => uint256)) public allowance;
/*//////////////////////////////////////////////////////////////
EIP-2612 STORAGE
//////////////////////////////////////////////////////////////*/
uint256 internal immutable INITIAL_CHAIN_ID;
bytes32 internal immutable INITIAL_DOMAIN_SEPARATOR;
mapping(address => uint256) public nonces;
/*//////////////////////////////////////////////////////////////
CONSTRUCTOR
//////////////////////////////////////////////////////////////*/
constructor(
string memory _name,
string memory _symbol,
uint8 _decimals
) {
name = _name;
symbol = _symbol;
decimals = _decimals;
INITIAL_CHAIN_ID = block.chainid;
INITIAL_DOMAIN_SEPARATOR = computeDomainSeparator();
}
/*//////////////////////////////////////////////////////////////
ERC20 LOGIC
//////////////////////////////////////////////////////////////*/
function approve(address spender, uint256 amount) public virtual returns (bool) {
allowance[msg.sender][spender] = amount;
emit Approval(msg.sender, spender, amount);
return true;
}
function transfer(address to, uint256 amount) public virtual returns (bool) {
balanceOf[msg.sender] -= amount;
// Cannot overflow because the sum of all user
// balances can't exceed the max uint256 value.
unchecked {
balanceOf[to] += amount;
}
emit Transfer(msg.sender, to, amount);
return true;
}
function transferFrom(
address from,
address to,
uint256 amount
) public virtual returns (bool) {
uint256 allowed = allowance[from][msg.sender]; // Saves gas for limited approvals.
if (allowed != type(uint256).max) allowance[from][msg.sender] = allowed - amount;
balanceOf[from] -= amount;
// Cannot overflow because the sum of all user
// balances can't exceed the max uint256 value.
unchecked {
balanceOf[to] += amount;
}
emit Transfer(from, to, amount);
return true;
}
/*//////////////////////////////////////////////////////////////
EIP-2612 LOGIC
//////////////////////////////////////////////////////////////*/
function permit(
address owner,
address spender,
uint256 value,
uint256 deadline,
uint8 v,
bytes32 r,
bytes32 s
) public virtual {
require(deadline >= block.timestamp, "PERMIT_DEADLINE_EXPIRED");
// Unchecked because the only math done is incrementing
// the owner's nonce which cannot realistically overflow.
unchecked {
address recoveredAddress = ecrecover(
keccak256(
abi.encodePacked(
"\x19\x01",
DOMAIN_SEPARATOR(),
keccak256(
abi.encode(
keccak256(
"Permit(address owner,address spender,uint256 value,uint256 nonce,uint256 deadline)"
),
owner,
spender,
value,
nonces[owner]++,
deadline
)
)
)
),
v,
r,
s
);
require(recoveredAddress != address(0) && recoveredAddress == owner, "INVALID_SIGNER");
allowance[recoveredAddress][spender] = value;
}
emit Approval(owner, spender, value);
}
function DOMAIN_SEPARATOR() public view virtual returns (bytes32) {
return block.chainid == INITIAL_CHAIN_ID ? INITIAL_DOMAIN_SEPARATOR : computeDomainSeparator();
}
function computeDomainSeparator() internal view virtual returns (bytes32) {
return
keccak256(
abi.encode(
keccak256("EIP712Domain(string name,string version,uint256 chainId,address verifyingContract)"),
keccak256(bytes(name)),
keccak256("1"),
block.chainid,
address(this)
)
);
}
/*//////////////////////////////////////////////////////////////
INTERNAL MINT/BURN LOGIC
//////////////////////////////////////////////////////////////*/
function _mint(address to, uint256 amount) internal virtual {
totalSupply += amount;
// Cannot overflow because the sum of all user
// balances can't exceed the max uint256 value.
unchecked {
balanceOf[to] += amount;
}
emit Transfer(address(0), to, amount);
}
function _burn(address from, uint256 amount) internal virtual {
balanceOf[from] -= amount;
// Cannot underflow because a user's balance
// will never be larger than the total supply.
unchecked {
totalSupply -= amount;
}
emit Transfer(from, address(0), amount);
}
}
// src/interfaces/IDepositContract.sol
// ┏━━━┓━┏┓━┏┓━━┏━━━┓━━┏━━━┓━━━━┏━━━┓━━━━━━━━━━━━━━━━━━━┏┓━━━━━┏━━━┓━━━━━━━━━┏┓━━━━━━━━━━━━━━┏┓━
// ┃┏━━┛┏┛┗┓┃┃━━┃┏━┓┃━━┃┏━┓┃━━━━┗┓┏┓┃━━━━━━━━━━━━━━━━━━┏┛┗┓━━━━┃┏━┓┃━━━━━━━━┏┛┗┓━━━━━━━━━━━━┏┛┗┓
// ┃┗━━┓┗┓┏┛┃┗━┓┗┛┏┛┃━━┃┃━┃┃━━━━━┃┃┃┃┏━━┓┏━━┓┏━━┓┏━━┓┏┓┗┓┏┛━━━━┃┃━┗┛┏━━┓┏━┓━┗┓┏┛┏━┓┏━━┓━┏━━┓┗┓┏┛
// ┃┏━━┛━┃┃━┃┏┓┃┏━┛┏┛━━┃┃━┃┃━━━━━┃┃┃┃┃┏┓┃┃┏┓┃┃┏┓┃┃━━┫┣┫━┃┃━━━━━┃┃━┏┓┃┏┓┃┃┏┓┓━┃┃━┃┏┛┗━┓┃━┃┏━┛━┃┃━
// ┃┗━━┓━┃┗┓┃┃┃┃┃┃┗━┓┏┓┃┗━┛┃━━━━┏┛┗┛┃┃┃━┫┃┗┛┃┃┗┛┃┣━━┃┃┃━┃┗┓━━━━┃┗━┛┃┃┗┛┃┃┃┃┃━┃┗┓┃┃━┃┗┛┗┓┃┗━┓━┃┗┓
// ┗━━━┛━┗━┛┗┛┗┛┗━━━┛┗┛┗━━━┛━━━━┗━━━┛┗━━┛┃┏━┛┗━━┛┗━━┛┗┛━┗━┛━━━━┗━━━┛┗━━┛┗┛┗┛━┗━┛┗┛━┗━━━┛┗━━┛━┗━┛
// ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┃┃━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
// ━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━┗┛━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━━
// pragma solidity 0.6.11 was the original version
// This interface is designed to be compatible with the Vyper version.
/// @notice This is the Ethereum 2.0 deposit contract interface.
/// For more information see the Phase 0 specification under https://github.com/ethereum/eth2.0-specs
interface IDepositContract {
/// @notice A processed deposit event.
event DepositEvent(
bytes pubkey,
bytes withdrawal_credentials,
bytes amount,
bytes signature,
bytes index
);
/// @notice Submit a Phase 0 DepositData object.
/// @param pubkey A BLS12-381 public key.
/// @param withdrawal_credentials Commitment to a public key for withdrawals.
/// @param signature A BLS12-381 signature.
/// @param deposit_data_root The SHA-256 hash of the SSZ-encoded DepositData object.
/// Used as a protection against malformed input.
function deposit(
bytes calldata pubkey,
bytes calldata withdrawal_credentials,
bytes calldata signature,
bytes32 deposit_data_root
) external payable;
/// @notice Query the current deposit root hash.
/// @return The deposit root hash.
function get_deposit_root() external view returns (bytes32);
/// @notice Query the current deposit count.
/// @return The deposit count encoded as a little endian 64-bit number.
function get_deposit_count() external view returns (bytes memory);
}
// src/interfaces/IENSReverseRegistrar.sol
interface IENSReverseRegistrar {
function claim(address owner) external returns (bytes32);
function defaultResolver() external view returns (address);
function ens() external view returns (address);
function node(address addr) external pure returns (bytes32);
function setName(string memory name) external returns (bytes32);
}
// lib/solady/src/auth/OwnableRoles.sol
/// @notice Simple single owner and multiroles authorization mixin.
/// @author Solady (https://github.com/vectorized/solady/blob/main/src/auth/Ownable.sol)
/// @dev While the ownable portion follows [EIP-173](https://eips.ethereum.org/EIPS/eip-173)
/// for compatibility, the nomenclature for the 2-step ownership handover and roles
/// may be unique to this codebase.
abstract contract OwnableRoles is Ownable {
/*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/
/* EVENTS */
/*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/
/// @dev The `user`'s roles is updated to `roles`.
/// Each bit of `roles` represents whether the role is set.
event RolesUpdated(address indexed user, uint256 indexed roles);
/// @dev `keccak256(bytes("RolesUpdated(address,uint256)"))`.
uint256 private constant _ROLES_UPDATED_EVENT_SIGNATURE =
0x715ad5ce61fc9595c7b415289d59cf203f23a94fa06f04af7e489a0a76e1fe26;
/*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/
/* STORAGE */
/*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/
/// @dev The role slot of `user` is given by:
/// ```
/// mstore(0x00, or(shl(96, user), _ROLE_SLOT_SEED))
/// let roleSlot := keccak256(0x00, 0x20)
/// ```
/// This automatically ignores the upper bits of the `user` in case
/// they are not clean, as well as keep the `keccak256` under 32-bytes.
///
/// Note: This is equal to `_OWNER_SLOT_NOT` in for gas efficiency.
uint256 private constant _ROLE_SLOT_SEED = 0x8b78c6d8;
/*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/
/* INTERNAL FUNCTIONS */
/*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/
/// @dev Overwrite the roles directly without authorization guard.
function _setRoles(address user, uint256 roles) internal virtual {
/// @solidity memory-safe-assembly
assembly {
mstore(0x0c, _ROLE_SLOT_SEED)
mstore(0x00, user)
// Store the new value.
sstore(keccak256(0x0c, 0x20), roles)
// Emit the {RolesUpdated} event.
log3(0, 0, _ROLES_UPDATED_EVENT_SIGNATURE, shr(96, mload(0x0c)), roles)
}
}
/// @dev Updates the roles directly without authorization guard.
/// If `on` is true, each set bit of `roles` will be turned on,
/// otherwise, each set bit of `roles` will be turned off.
function _updateRoles(address user, uint256 roles, bool on) internal virtual {
/// @solidity memory-safe-assembly
assembly {
mstore(0x0c, _ROLE_SLOT_SEED)
mstore(0x00, user)
let roleSlot := keccak256(0x0c, 0x20)
// Load the current value.
let current := sload(roleSlot)
// Compute the updated roles if `on` is true.
let updated := or(current, roles)
// Compute the updated roles if `on` is false.
// Use `and` to compute the intersection of `current` and `roles`,
// `xor` it with `current` to flip the bits in the intersection.
if iszero(on) { updated := xor(current, and(current, roles)) }
// Then, store the new value.
sstore(roleSlot, updated)
// Emit the {RolesUpdated} event.
log3(0, 0, _ROLES_UPDATED_EVENT_SIGNATURE, shr(96, mload(0x0c)), updated)
}
}
/// @dev Grants the roles directly without authorization guard.
/// Each bit of `roles` represents the role to turn on.
function _grantRoles(address user, uint256 roles) internal virtual {
_updateRoles(user, roles, true);
}
/// @dev Removes the roles directly without authorization guard.
/// Each bit of `roles` represents the role to turn off.
function _removeRoles(address user, uint256 roles) internal virtual {
_updateRoles(user, roles, false);
}
/// @dev Throws if the sender does not have any of the `roles`.
function _checkRoles(uint256 roles) internal view virtual {
/// @solidity memory-safe-assembly
assembly {
// Compute the role slot.
mstore(0x0c, _ROLE_SLOT_SEED)
mstore(0x00, caller())
// Load the stored value, and if the `and` intersection
// of the value and `roles` is zero, revert.
if iszero(and(sload(keccak256(0x0c, 0x20)), roles)) {
mstore(0x00, 0x82b42900) // `Unauthorized()`.
revert(0x1c, 0x04)
}
}
}
/// @dev Throws if the sender is not the owner,
/// and does not have any of the `roles`.
/// Checks for ownership first, then lazily checks for roles.
function _checkOwnerOrRoles(uint256 roles) internal view virtual {
/// @solidity memory-safe-assembly
assembly {
// If the caller is not the stored owner.
// Note: `_ROLE_SLOT_SEED` is equal to `_OWNER_SLOT_NOT`.
if iszero(eq(caller(), sload(not(_ROLE_SLOT_SEED)))) {
// Compute the role slot.
mstore(0x0c, _ROLE_SLOT_SEED)
mstore(0x00, caller())
// Load the stored value, and if the `and` intersection
// of the value and `roles` is zero, revert.
if iszero(and(sload(keccak256(0x0c, 0x20)), roles)) {
mstore(0x00, 0x82b42900) // `Unauthorized()`.
revert(0x1c, 0x04)
}
}
}
}
/// @dev Throws if the sender does not have any of the `roles`,
/// and is not the owner.
/// Checks for roles first, then lazily checks for ownership.
function _checkRolesOrOwner(uint256 roles) internal view virtual {
/// @solidity memory-safe-assembly
assembly {
// Compute the role slot.
mstore(0x0c, _ROLE_SLOT_SEED)
mstore(0x00, caller())
// Load the stored value, and if the `and` intersection
// of the value and `roles` is zero, revert.
if iszero(and(sload(keccak256(0x0c, 0x20)), roles)) {
// If the caller is not the stored owner.
// Note: `_ROLE_SLOT_SEED` is equal to `_OWNER_SLOT_NOT`.
if iszero(eq(caller(), sload(not(_ROLE_SLOT_SEED)))) {
mstore(0x00, 0x82b42900) // `Unauthorized()`.
revert(0x1c, 0x04)
}
}
}
}
/// @dev Convenience function to return a `roles` bitmap from an array of `ordinals`.
/// This is meant for frontends like Etherscan, and is therefore not fully optimized.
/// Not recommended to be called on-chain.
/// Made internal to conserve bytecode. Wrap it in a public function if needed.
function _rolesFromOrdinals(uint8[] memory ordinals) internal pure returns (uint256 roles) {
/// @solidity memory-safe-assembly
assembly {
for { let i := shl(5, mload(ordinals)) } i { i := sub(i, 0x20) } {
// We don't need to mask the values of `ordinals`, as Solidity
// cleans dirty upper bits when storing variables into memory.
roles := or(shl(mload(add(ordinals, i)), 1), roles)
}
}
}
/// @dev Convenience function to return an array of `ordinals` from the `roles` bitmap.
/// This is meant for frontends like Etherscan, and is therefore not fully optimized.
/// Not recommended to be called on-chain.
/// Made internal to conserve bytecode. Wrap it in a public function if needed.
function _ordinalsFromRoles(uint256 roles) internal pure returns (uint8[] memory ordinals) {
/// @solidity memory-safe-assembly
assembly {
// Grab the pointer to the free memory.
ordinals := mload(0x40)
let ptr := add(ordinals, 0x20)
let o := 0
// The absence of lookup tables, De Bruijn, etc., here is intentional for
// smaller bytecode, as this function is not meant to be called on-chain.
for { let t := roles } 1 {} {
mstore(ptr, o)
// `shr` 5 is equivalent to multiplying by 0x20.
// Push back into the ordinals array if the bit is set.
ptr := add(ptr, shl(5, and(t, 1)))
o := add(o, 1)
t := shr(o, roles)
if iszero(t) { break }
}
// Store the length of `ordinals`.
mstore(ordinals, shr(5, sub(ptr, add(ordinals, 0x20))))
// Allocate the memory.
mstore(0x40, ptr)
}
}
/*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/
/* PUBLIC UPDATE FUNCTIONS */
/*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/
/// @dev Allows the owner to grant `user` `roles`.
/// If the `user` already has a role, then it will be an no-op for the role.
function grantRoles(address user, uint256 roles) public payable virtual onlyOwner {
_grantRoles(user, roles);
}
/// @dev Allows the owner to remove `user` `roles`.
/// If the `user` does not have a role, then it will be an no-op for the role.
function revokeRoles(address user, uint256 roles) public payable virtual onlyOwner {
_removeRoles(user, roles);
}
/// @dev Allow the caller to remove their own roles.
/// If the caller does not have a role, then it will be an no-op for the role.
function renounceRoles(uint256 roles) public payable virtual {
_removeRoles(msg.sender, roles);
}
/*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/
/* PUBLIC READ FUNCTIONS */
/*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/
/// @dev Returns the roles of `user`.
function rolesOf(address user) public view virtual returns (uint256 roles) {
/// @solidity memory-safe-assembly
assembly {
// Compute the role slot.
mstore(0x0c, _ROLE_SLOT_SEED)
mstore(0x00, user)
// Load the stored value.
roles := sload(keccak256(0x0c, 0x20))
}
}
/// @dev Returns whether `user` has any of `roles`.
function hasAnyRole(address user, uint256 roles) public view virtual returns (bool) {
return rolesOf(user) & roles != 0;
}
/// @dev Returns whether `user` has all of `roles`.
function hasAllRoles(address user, uint256 roles) public view virtual returns (bool) {
return rolesOf(user) & roles == roles;
}
/*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/
/* MODIFIERS */
/*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/
/// @dev Marks a function as only callable by an account with `roles`.
modifier onlyRoles(uint256 roles) virtual {
_checkRoles(roles);
_;
}
/// @dev Marks a function as only callable by the owner or by an account
/// with `roles`. Checks for ownership first, then lazily checks for roles.
modifier onlyOwnerOrRoles(uint256 roles) virtual {
_checkOwnerOrRoles(roles);
_;
}
/// @dev Marks a function as only callable by an account with `roles`
/// or the owner. Checks for roles first, then lazily checks for ownership.
modifier onlyRolesOrOwner(uint256 roles) virtual {
_checkRolesOrOwner(roles);
_;
}
/*´:°•.°+.*•´.*:˚.°*.˚•´.°:°•.°•.*•´.*:˚.°*.˚•´.°:°•.°+.*•´.*:*/
/* ROLE CONSTANTS */
/*.•°:°.´+˚.*°.˚:*.´•*.+°.•°:´*.´•*.•°.•°:°.´:•˚°.*°.˚:*.´+°.•*/
// IYKYK
uint256 internal constant _ROLE_0 = 1 << 0;
uint256 internal constant _ROLE_1 = 1 << 1;
uint256 internal constant _ROLE_2 = 1 << 2;
uint256 internal constant _ROLE_3 = 1 << 3;
uint256 internal constant _ROLE_4 = 1 << 4;
uint256 internal constant _ROLE_5 = 1 << 5;
uint256 internal constant _ROLE_6 = 1 << 6;
uint256 internal constant _ROLE_7 = 1 << 7;
uint256 internal constant _ROLE_8 = 1 << 8;
uint256 internal constant _ROLE_9 = 1 << 9;
uint256 internal constant _ROLE_10 = 1 << 10;
uint256 internal constant _ROLE_11 = 1 << 11;
uint256 internal constant _ROLE_12 = 1 << 12;
uint256 internal constant _ROLE_13 = 1 << 13;
uint256 internal constant _ROLE_14 = 1 << 14;
uint256 internal constant _ROLE_15 = 1 << 15;
uint256 internal constant _ROLE_16 = 1 << 16;
uint256 internal constant _ROLE_17 = 1 << 17;
uint256 internal constant _ROLE_18 = 1 << 18;
uint256 internal constant _ROLE_19 = 1 << 19;
uint256 internal constant _ROLE_20 = 1 << 20;
uint256 internal constant _ROLE_21 = 1 << 21;
uint256 internal constant _ROLE_22 = 1 << 22;
uint256 internal constant _ROLE_23 = 1 << 23;
uint256 internal constant _ROLE_24 = 1 << 24;
uint256 internal constant _ROLE_25 = 1 << 25;
uint256 internal constant _ROLE_26 = 1 << 26;
uint256 internal constant _ROLE_27 = 1 << 27;
uint256 internal constant _ROLE_28 = 1 << 28;
uint256 internal constant _ROLE_29 = 1 << 29;
uint256 internal constant _ROLE_30 = 1 << 30;
uint256 internal constant _ROLE_31 = 1 << 31;
uint256 internal constant _ROLE_32 = 1 << 32;
uint256 internal constant _ROLE_33 = 1 << 33;
uint256 internal constant _ROLE_34 = 1 << 34;
uint256 internal constant _ROLE_35 = 1 << 35;
uint256 internal constant _ROLE_36 = 1 << 36;
uint256 internal constant _ROLE_37 = 1 << 37;
uint256 internal constant _ROLE_38 = 1 << 38;
uint256 internal constant _ROLE_39 = 1 << 39;
uint256 internal constant _ROLE_40 = 1 << 40;
uint256 internal constant _ROLE_41 = 1 << 41;
uint256 internal constant _ROLE_42 = 1 << 42;
uint256 internal constant _ROLE_43 = 1 << 43;
uint256 internal constant _ROLE_44 = 1 << 44;
uint256 internal constant _ROLE_45 = 1 << 45;
uint256 internal constant _ROLE_46 = 1 << 46;
uint256 internal constant _ROLE_47 = 1 << 47;
uint256 internal constant _ROLE_48 = 1 << 48;
uint256 internal constant _ROLE_49 = 1 << 49;
uint256 internal constant _ROLE_50 = 1 << 50;
uint256 internal constant _ROLE_51 = 1 << 51;
uint256 internal constant _ROLE_52 = 1 << 52;
uint256 internal constant _ROLE_53 = 1 << 53;
uint256 internal constant _ROLE_54 = 1 << 54;
uint256 internal constant _ROLE_55 = 1 << 55;
uint256 internal constant _ROLE_56 = 1 << 56;
uint256 internal constant _ROLE_57 = 1 << 57;
uint256 internal constant _ROLE_58 = 1 << 58;
uint256 internal constant _ROLE_59 = 1 << 59;
uint256 internal constant _ROLE_60 = 1 << 60;
uint256 internal constant _ROLE_61 = 1 << 61;
uint256 internal constant _ROLE_62 = 1 << 62;
uint256 internal constant _ROLE_63 = 1 << 63;
uint256 internal constant _ROLE_64 = 1 << 64;
uint256 internal constant _ROLE_65 = 1 << 65;
uint256 internal constant _ROLE_66 = 1 << 66;
uint256 internal constant _ROLE_67 = 1 << 67;
uint256 internal constant _ROLE_68 = 1 << 68;
uint256 internal constant _ROLE_69 = 1 << 69;
uint256 internal constant _ROLE_70 = 1 << 70;
uint256 internal constant _ROLE_71 = 1 << 71;
uint256 internal constant _ROLE_72 = 1 << 72;
uint256 internal constant _ROLE_73 = 1 << 73;
uint256 internal constant _ROLE_74 = 1 << 74;
uint256 internal constant _ROLE_75 = 1 << 75;
uint256 internal constant _ROLE_76 = 1 << 76;
uint256 internal constant _ROLE_77 = 1 << 77;
uint256 internal constant _ROLE_78 = 1 << 78;
uint256 internal constant _ROLE_79 = 1 << 79;
uint256 internal constant _ROLE_80 = 1 << 80;
uint256 internal constant _ROLE_81 = 1 << 81;
uint256 internal constant _ROLE_82 = 1 << 82;
uint256 internal constant _ROLE_83 = 1 << 83;
uint256 internal constant _ROLE_84 = 1 << 84;
uint256 internal constant _ROLE_85 = 1 << 85;
uint256 internal constant _ROLE_86 = 1 << 86;
uint256 internal constant _ROLE_87 = 1 << 87;
uint256 internal constant _ROLE_88 = 1 << 88;
uint256 internal constant _ROLE_89 = 1 << 89;
uint256 internal constant _ROLE_90 = 1 << 90;
uint256 internal constant _ROLE_91 = 1 << 91;
uint256 internal constant _ROLE_92 = 1 << 92;
uint256 internal constant _ROLE_93 = 1 << 93;
uint256 internal constant _ROLE_94 = 1 << 94;
uint256 internal constant _ROLE_95 = 1 << 95;
uint256 internal constant _ROLE_96 = 1 << 96;
uint256 internal constant _ROLE_97 = 1 << 97;
uint256 internal constant _ROLE_98 = 1 << 98;
uint256 internal constant _ROLE_99 = 1 << 99;
uint256 internal constant _ROLE_100 = 1 << 100;
uint256 internal constant _ROLE_101 = 1 << 101;
uint256 internal constant _ROLE_102 = 1 << 102;
uint256 internal constant _ROLE_103 = 1 << 103;
uint256 internal constant _ROLE_104 = 1 << 104;
uint256 internal constant _ROLE_105 = 1 << 105;
uint256 internal constant _ROLE_106 = 1 << 106;
uint256 internal constant _ROLE_107 = 1 << 107;
uint256 internal constant _ROLE_108 = 1 << 108;
uint256 internal constant _ROLE_109 = 1 << 109;
uint256 internal constant _ROLE_110 = 1 << 110;
uint256 internal constant _ROLE_111 = 1 << 111;
uint256 internal constant _ROLE_112 = 1 << 112;
uint256 internal constant _ROLE_113 = 1 << 113;
uint256 internal constant _ROLE_114 = 1 << 114;
uint256 internal constant _ROLE_115 = 1 << 115;
uint256 internal constant _ROLE_116 = 1 << 116;
uint256 internal constant _ROLE_117 = 1 << 117;
uint256 internal constant _ROLE_118 = 1 << 118;
uint256 internal constant _ROLE_119 = 1 << 119;
uint256 internal constant _ROLE_120 = 1 << 120;
uint256 internal constant _ROLE_121 = 1 << 121;
uint256 internal constant _ROLE_122 = 1 << 122;
uint256 internal constant _ROLE_123 = 1 << 123;
uint256 internal constant _ROLE_124 = 1 << 124;
uint256 internal constant _ROLE_125 = 1 << 125;
uint256 internal constant _ROLE_126 = 1 << 126;
uint256 internal constant _ROLE_127 = 1 << 127;
uint256 internal constant _ROLE_128 = 1 << 128;
uint256 internal constant _ROLE_129 = 1 << 129;
uint256 internal constant _ROLE_130 = 1 << 130;
uint256 internal constant _ROLE_131 = 1 << 131;
uint256 internal constant _ROLE_132 = 1 << 132;
uint256 internal constant _ROLE_133 = 1 << 133;
uint256 internal constant _ROLE_134 = 1 << 134;
uint256 internal constant _ROLE_135 = 1 << 135;
uint256 internal constant _ROLE_136 = 1 << 136;
uint256 internal constant _ROLE_137 = 1 << 137;
uint256 internal constant _ROLE_138 = 1 << 138;
uint256 internal constant _ROLE_139 = 1 << 139;
uint256 internal constant _ROLE_140 = 1 << 140;
uint256 internal constant _ROLE_141 = 1 << 141;
uint256 internal constant _ROLE_142 = 1 << 142;
uint256 internal constant _ROLE_143 = 1 << 143;
uint256 internal constant _ROLE_144 = 1 << 144;
uint256 internal constant _ROLE_145 = 1 << 145;
uint256 internal constant _ROLE_146 = 1 << 146;
uint256 internal constant _ROLE_147 = 1 << 147;
uint256 internal constant _ROLE_148 = 1 << 148;
uint256 internal constant _ROLE_149 = 1 << 149;
uint256 internal constant _ROLE_150 = 1 << 150;
uint256 internal constant _ROLE_151 = 1 << 151;
uint256 internal constant _ROLE_152 = 1 << 152;
uint256 internal constant _ROLE_153 = 1 << 153;
uint256 internal constant _ROLE_154 = 1 << 154;
uint256 internal constant _ROLE_155 = 1 << 155;
uint256 internal constant _ROLE_156 = 1 << 156;
uint256 internal constant _ROLE_157 = 1 << 157;
uint256 internal constant _ROLE_158 = 1 << 158;
uint256 internal constant _ROLE_159 = 1 << 159;
uint256 internal constant _ROLE_160 = 1 << 160;
uint256 internal constant _ROLE_161 = 1 << 161;
uint256 internal constant _ROLE_162 = 1 << 162;
uint256 internal constant _ROLE_163 = 1 << 163;
uint256 internal constant _ROLE_164 = 1 << 164;
uint256 internal constant _ROLE_165 = 1 << 165;
uint256 internal constant _ROLE_166 = 1 << 166;
uint256 internal constant _ROLE_167 = 1 << 167;
uint256 internal constant _ROLE_168 = 1 << 168;
uint256 internal constant _ROLE_169 = 1 << 169;
uint256 internal constant _ROLE_170 = 1 << 170;
uint256 internal constant _ROLE_171 = 1 << 171;
uint256 internal constant _ROLE_172 = 1 << 172;
uint256 internal constant _ROLE_173 = 1 << 173;
uint256 internal constant _ROLE_174 = 1 << 174;
uint256 internal constant _ROLE_175 = 1 << 175;
uint256 internal constant _ROLE_176 = 1 << 176;
uint256 internal constant _ROLE_177 = 1 << 177;
uint256 internal constant _ROLE_178 = 1 << 178;
uint256 internal constant _ROLE_179 = 1 << 179;
uint256 internal constant _ROLE_180 = 1 << 180;
uint256 internal constant _ROLE_181 = 1 << 181;
uint256 internal constant _ROLE_182 = 1 << 182;
uint256 internal constant _ROLE_183 = 1 << 183;
uint256 internal constant _ROLE_184 = 1 << 184;
uint256 internal constant _ROLE_185 = 1 << 185;
uint256 internal constant _ROLE_186 = 1 << 186;
uint256 internal constant _ROLE_187 = 1 << 187;
uint256 internal constant _ROLE_188 = 1 << 188;
uint256 internal constant _ROLE_189 = 1 << 189;
uint256 internal constant _ROLE_190 = 1 << 190;
uint256 internal constant _ROLE_191 = 1 << 191;
uint256 internal constant _ROLE_192 = 1 << 192;
uint256 internal constant _ROLE_193 = 1 << 193;
uint256 internal constant _ROLE_194 = 1 << 194;
uint256 internal constant _ROLE_195 = 1 << 195;
uint256 internal constant _ROLE_196 = 1 << 196;
uint256 internal constant _ROLE_197 = 1 << 197;
uint256 internal constant _ROLE_198 = 1 << 198;
uint256 internal constant _ROLE_199 = 1 << 199;
uint256 internal constant _ROLE_200 = 1 << 200;
uint256 internal constant _ROLE_201 = 1 << 201;
uint256 internal constant _ROLE_202 = 1 << 202;
uint256 internal constant _ROLE_203 = 1 << 203;
uint256 internal constant _ROLE_204 = 1 << 204;
uint256 internal constant _ROLE_205 = 1 << 205;
uint256 internal constant _ROLE_206 = 1 << 206;
uint256 internal constant _ROLE_207 = 1 << 207;
uint256 internal constant _ROLE_208 = 1 << 208;
uint256 internal constant _ROLE_209 = 1 << 209;
uint256 internal constant _ROLE_210 = 1 << 210;
uint256 internal constant _ROLE_211 = 1 << 211;
uint256 internal constant _ROLE_212 = 1 << 212;
uint256 internal constant _ROLE_213 = 1 << 213;
uint256 internal constant _ROLE_214 = 1 << 214;
uint256 internal constant _ROLE_215 = 1 << 215;
uint256 internal constant _ROLE_216 = 1 << 216;
uint256 internal constant _ROLE_217 = 1 << 217;
uint256 internal constant _ROLE_218 = 1 << 218;
uint256 internal constant _ROLE_219 = 1 << 219;
uint256 internal constant _ROLE_220 = 1 << 220;
uint256 internal constant _ROLE_221 = 1 << 221;
uint256 internal constant _ROLE_222 = 1 << 222;
uint256 internal constant _ROLE_223 = 1 << 223;
uint256 internal constant _ROLE_224 = 1 << 224;
uint256 internal constant _ROLE_225 = 1 << 225;
uint256 internal constant _ROLE_226 = 1 << 226;
uint256 internal constant _ROLE_227 = 1 << 227;
uint256 internal constant _ROLE_228 = 1 << 228;
uint256 internal constant _ROLE_229 = 1 << 229;
uint256 internal constant _ROLE_230 = 1 << 230;
uint256 internal constant _ROLE_231 = 1 << 231;
uint256 internal constant _ROLE_232 = 1 << 232;
uint256 internal constant _ROLE_233 = 1 << 233;
uint256 internal constant _ROLE_234 = 1 << 234;
uint256 internal constant _ROLE_235 = 1 << 235;
uint256 internal constant _ROLE_236 = 1 << 236;
uint256 internal constant _ROLE_237 = 1 << 237;
uint256 internal constant _ROLE_238 = 1 << 238;
uint256 internal constant _ROLE_239 = 1 << 239;
uint256 internal constant _ROLE_240 = 1 << 240;
uint256 internal constant _ROLE_241 = 1 << 241;
uint256 internal constant _ROLE_242 = 1 << 242;
uint256 internal constant _ROLE_243 = 1 << 243;
uint256 internal constant _ROLE_244 = 1 << 244;
uint256 internal constant _ROLE_245 = 1 << 245;
uint256 internal constant _ROLE_246 = 1 << 246;
uint256 internal constant _ROLE_247 = 1 << 247;
uint256 internal constant _ROLE_248 = 1 << 248;
uint256 internal constant _ROLE_249 = 1 << 249;
uint256 internal constant _ROLE_250 = 1 << 250;
uint256 internal constant _ROLE_251 = 1 << 251;
uint256 internal constant _ROLE_252 = 1 << 252;
uint256 internal constant _ROLE_253 = 1 << 253;
uint256 internal constant _ROLE_254 = 1 << 254;
uint256 internal constant _ROLE_255 = 1 << 255;
}
// src/ovm/ObolValidatorManager.sol
/// @title ObolValidatorManager
/// @author Obol
/// @notice A maximally-composable contract that distributes payments
/// based on threshold to it's recipients.
/// @dev Only ETH can be distributed for a given deployment. There is a
/// recovery method for tokens sent by accident.
contract ObolValidatorManager is OwnableRoles {
/// -----------------------------------------------------------------------
/// libraries
/// -----------------------------------------------------------------------
using SafeTransferLib for address;
/// -----------------------------------------------------------------------
/// errors
/// -----------------------------------------------------------------------
// Invalid request params, e.g. empty input
error InvalidRequest_Params();
// Failed to call system contract get_fee()
error InvalidRequest_SystemGetFee();
// Insufficient fee provided in the call's value to conclude the request
error InvalidRequest_NotEnoughFee();
// Failed to call system contract add_consolidation_request()
error InvalidConsolidation_Failed();
// Failed to call system contract add_withdrawal_request()
error InvalidWithdrawal_Failed();
/// Invalid distribution
error InvalidDistribution_TooLarge();
/// -----------------------------------------------------------------------
/// events
/// -----------------------------------------------------------------------
/// Emitted after principal recipient is changed
/// @param newPrincipalRecipient New principal recipient address
/// @param oldPrincipalRecipient Old principal recipient address
event NewPrincipalRecipient(address indexed newPrincipalRecipient, address indexed oldPrincipalRecipient);
/// Emitted after funds are distributed to recipients
/// @param principalPayout Amount of principal paid out
/// @param rewardPayout Amount of reward paid out
/// @param pullOrPush Flag indicating PULL or PUSH flow
event DistributeFunds(uint256 principalPayout, uint256 rewardPayout, uint256 pullOrPush);
/// Emitted after tokens are recovered to a recipient
/// @param nonOVMToken Recovered token (cannot be ETH)
/// @param recipient Address receiving recovered token
/// @param amount Amount of recovered token
event RecoverNonOVMFunds(address indexed nonOVMToken, address indexed recipient, uint256 amount);
/// Emitted after funds withdrawn using pull flow
/// @param account Account withdrawing funds for
/// @param amount Amount withdrawn
event Withdrawal(address indexed account, uint256 amount);
/// Emitted when a Pectra consolidation request is done
/// @param requester Address of the requester
/// @param source Source validator public key
/// @param target Target validator public key
event ConsolidationRequested(address indexed requester, bytes indexed source, bytes indexed target);
/// Emitted when a Pectra withdrawal request is done
/// @param requester Address of the requester
/// @param pubKey Validator public key
/// @param amount Withdrawal amount
event WithdrawalRequested(address indexed requester, bytes indexed pubKey, uint256 amount);
/// -----------------------------------------------------------------------
/// storage
/// -----------------------------------------------------------------------
/// -----------------------------------------------------------------------
/// storage - constants
/// -----------------------------------------------------------------------
uint256 public constant WITHDRAWAL_ROLE = 0x01;
uint256 public constant CONSOLIDATION_ROLE = 0x02;
uint256 public constant SET_PRINCIPAL_ROLE = 0x04;
uint256 public constant RECOVER_FUNDS_ROLE = 0x08;
uint256 internal constant PUSH = 0;
uint256 internal constant PULL = 1;
uint256 internal constant PUBLIC_KEY_LENGTH = 48;
/// -----------------------------------------------------------------------
/// storage - immutable
/// -----------------------------------------------------------------------
address public immutable consolidationSystemContract;
address public immutable withdrawalSystemContract;
address public immutable depositSystemContract;
address public immutable rewardRecipient;
uint64 public immutable principalThreshold;
/// -----------------------------------------------------------------------
/// storage - mutables
/// -----------------------------------------------------------------------
/// Address to receive principal funds
address public principalRecipient;
/// Amount of principal stake (wei) done via deposit() calls
uint256 public amountOfPrincipalStake;
/// Amount of active balance set aside for pulls
/// @dev ERC20s with very large decimals may overflow & cause issues
uint128 public fundsPendingWithdrawal;
/// Mapping to account balances for pulling
mapping(address => uint256) internal pullBalances;
/// -----------------------------------------------------------------------
/// constructor
/// -----------------------------------------------------------------------
constructor(
address _consolidationSystemContract,
address _withdrawalSystemContract,
address _depositSystemContract,
address _owner,
address _principalRecipient,
address _rewardRecipient,
uint64 _principalThreshold
) {
consolidationSystemContract = _consolidationSystemContract;
withdrawalSystemContract = _withdrawalSystemContract;
depositSystemContract = _depositSystemContract;
principalRecipient = _principalRecipient;
rewardRecipient = _rewardRecipient;
principalThreshold = _principalThreshold;
_initializeOwner(_owner);
}
/// -----------------------------------------------------------------------
/// functions
/// -----------------------------------------------------------------------
/// -----------------------------------------------------------------------
/// functions - public & external
/// -----------------------------------------------------------------------
/// @dev Fallback function to receive ETH
/// Because we do not use Clone, we must implement this explicitly
receive() external payable {}
/// @notice Submit a Phase 0 DepositData object.
/// @param pubkey A BLS12-381 public key.
/// @param withdrawal_credentials Commitment to a public key for withdrawals.
/// @param signature A BLS12-381 signature.
/// @param deposit_data_root The SHA-256 hash of the SSZ-encoded DepositData object.
/// Used as a protection against malformed input.
/// @dev This function is a proxy to the deposit() function on the depositSystemContract.
/// The deposited amount is accounted for in the amountOfPrincipalStake, which is used
/// to determine the principalRecipient's share of the funds to be distributed.
/// Any deposits made directly to the depositSystemContract will not be accounted for
/// and will be sent to the rewardRecipient address.
function deposit(
bytes calldata pubkey,
bytes calldata withdrawal_credentials,
bytes calldata signature,
bytes32 deposit_data_root
) external payable {
amountOfPrincipalStake += msg.value;
IDepositContract(depositSystemContract).deposit{value: msg.value}(
pubkey,
withdrawal_credentials,
signature,
deposit_data_root
);
}
/// @notice Set the principal recipient address
/// @param newPrincipalRecipient New address to receive principal funds
function setPrincipalRecipient(address newPrincipalRecipient) external onlyOwnerOrRoles(SET_PRINCIPAL_ROLE) {
if (newPrincipalRecipient == address(0)) {
revert InvalidRequest_Params();
}
address oldPrincipalRecipient = principalRecipient;
principalRecipient = newPrincipalRecipient;
emit NewPrincipalRecipient(newPrincipalRecipient, oldPrincipalRecipient);
}
/// Distributes target token inside the contract to recipients
/// @dev pushes funds to recipients
function distributeFunds() external {
_distributeFunds(PUSH);
}
/// Distributes target token inside the contract to recipients
/// @dev backup recovery if any recipient tries to brick the OVM for
/// remaining recipients
function distributeFundsPull() external {
_distributeFunds(PULL);
}
/// Request validators consolidation with the EIP7251 system contract
/// @dev all source validators will be consolidated into the target validator
/// the caller must compute the fee before calling and send a sufficient msg.value amount
/// excess amount will be refunded
/// @param sourcePubKeys validator public keys to be consolidated
/// @param targetPubKey target validator public key
function requestConsolidation(
bytes[] calldata sourcePubKeys,
bytes calldata targetPubKey
) external payable onlyOwnerOrRoles(CONSOLIDATION_ROLE) {
if (sourcePubKeys.length == 0 || sourcePubKeys.length > 63 || targetPubKey.length != PUBLIC_KEY_LENGTH)
revert InvalidRequest_Params();
uint256 remainingFee = msg.value;
uint256 len = sourcePubKeys.length;
for (uint256 i; i < len; ) {
uint256 _currentFee = _computeSystemContractFee(consolidationSystemContract);
if (_currentFee > remainingFee) revert InvalidRequest_NotEnoughFee();
remainingFee -= _currentFee;
_requestConsolidation(sourcePubKeys[i], targetPubKey, _currentFee);
unchecked {
++i;
}
}
// Future optimization idea: do not send if gas cost exceeds the value.
if (remainingFee > 0) payable(msg.sender).transfer(remainingFee);
}
/// Request partial/full withdrawal from the EIP7002 system contract
/// @dev the caller must compute the fee before calling and send a sufficient msg.value amount
/// excess amount will be refunded
/// withdrawals that leave a validator with (0..32) ether,
// will only withdraw an amount that leaves the validator at 32 ether
/// @param pubKeys validator public keys
/// @param amounts withdrawal amounts in gwei
/// any amount below principalThreshold will be distributed as reward
/// any amount >= principalThreshold will be distributed as principal
function requestWithdrawal(
bytes[] calldata pubKeys,
uint64[] calldata amounts
) external payable onlyOwnerOrRoles(WITHDRAWAL_ROLE) {
if (pubKeys.length != amounts.length) revert InvalidRequest_Params();
uint256 remainingFee = msg.value;
uint256 len = pubKeys.length;
for (uint256 i; i < len; ) {
uint256 _currentFee = _computeSystemContractFee(withdrawalSystemContract);
if (_currentFee > remainingFee) revert InvalidRequest_NotEnoughFee();
remainingFee -= _currentFee;
_requestWithdrawal(pubKeys[i], amounts[i], _currentFee);
unchecked {
++i;
}
}
// Future optimization idea: do not send if gas cost exceeds the value.
if (remainingFee > 0) payable(msg.sender).transfer(remainingFee);
}
/// Recover non-OVM tokens to a recipient
/// @param nonOVMToken Token to recover (cannot be OVM token)
/// @param recipient Address to receive recovered token
function recoverFunds(address nonOVMToken, address recipient) external onlyOwnerOrRoles(RECOVER_FUNDS_ROLE) {
uint256 amount = ERC20(nonOVMToken).balanceOf(address(this));
nonOVMToken.safeTransfer(recipient, amount);
emit RecoverNonOVMFunds(nonOVMToken, recipient, amount);
}
/// Withdraw token balance for an account
/// @param account Address to withdraw on behalf of
function withdraw(address account) external {
uint256 amount = pullBalances[account];
unchecked {
// shouldn't underflow; fundsPendingWithdrawal = sum(pullBalances)
fundsPendingWithdrawal -= uint128(amount);
}
pullBalances[account] = 0;
account.safeTransferETH(amount);
emit Withdrawal(account, amount);
}
/// -----------------------------------------------------------------------
/// functions - view & pure
/// -----------------------------------------------------------------------
/// Returns the balance for the account `account`
/// @param account Account to return balance for
/// @return Account's withdrawable ether balance
function getPullBalance(address account) external view returns (uint256) {
return pullBalances[account];
}
/// -----------------------------------------------------------------------
/// functions - private & internal
/// -----------------------------------------------------------------------
/// Compute system contract's fee
/// @param systemContractAddress Address of the consolidation system contract
/// @return The computed fee
function _computeSystemContractFee(address systemContractAddress) internal view returns (uint256) {
(bool ok, bytes memory result) = systemContractAddress.staticcall("");
if (!ok) revert InvalidRequest_SystemGetFee();
return uint256(bytes32(result));
}
/// Execute a single consolidation request
/// @param source Source validator public key
/// @param target Target validator public key
/// @param fee Fee for the consolidation request
function _requestConsolidation(bytes calldata source, bytes calldata target, uint256 fee) private {
if (source.length != PUBLIC_KEY_LENGTH || target.length != PUBLIC_KEY_LENGTH) revert InvalidRequest_Params();
// Input data has the following layout:
//
// +--------+--------+
// | source | target |
// +--------+--------+
// 48 48
(bool ok, ) = consolidationSystemContract.call{value: fee}(bytes.concat(source, target));
if (!ok) revert InvalidConsolidation_Failed();
emit ConsolidationRequested(msg.sender, source, target);
}
/// Executes single withdrawal request
function _requestWithdrawal(bytes memory pubkey, uint64 amount, uint256 fee) private {
if (pubkey.length != PUBLIC_KEY_LENGTH) revert InvalidRequest_Params();
// Input data has the following layout:
//
// +--------+--------+
// | pubkey | amount |
// +--------+--------+
// 48 8
(bool ret, ) = withdrawalSystemContract.call{value: fee}(abi.encodePacked(pubkey, amount));
if (!ret) revert InvalidWithdrawal_Failed();
emit WithdrawalRequested(msg.sender, pubkey, amount);
}
/// Distributes target token inside the contract to next-in-line recipients
/// @dev can PUSH or PULL funds to recipients
function _distributeFunds(uint256 pullOrPush) internal {
/// checks
/// effects
// load storage into memory
uint256 currentbalance = address(this).balance;
uint256 _memoryFundsPendingWithdrawal = uint256(fundsPendingWithdrawal);
uint256 _fundsToBeDistributed = currentbalance - _memoryFundsPendingWithdrawal;
uint256 principalThresholdWei = uint256(principalThreshold) * 1e9;
// determine which recipeint is getting paid based on funds to be distributed
uint256 _principalPayout = 0;
uint256 _rewardPayout = 0;
unchecked {
if (_fundsToBeDistributed >= principalThresholdWei && amountOfPrincipalStake > 0) {
if (_fundsToBeDistributed > amountOfPrincipalStake) {
// this means there is reward part of the funds to be distributed
_principalPayout = amountOfPrincipalStake;
// shouldn't underflow
_rewardPayout = _fundsToBeDistributed - amountOfPrincipalStake;
} else {
// this means there is no reward part of the funds to be distributed
_principalPayout = _fundsToBeDistributed;
}
} else {
_rewardPayout = _fundsToBeDistributed;
}
}
{
if (_fundsToBeDistributed > type(uint128).max) revert InvalidDistribution_TooLarge();
// Write to storage
// the principal value
// it cannot overflow because _principalPayout < _fundsToBeDistributed
if (_principalPayout > 0) amountOfPrincipalStake -= uint128(_principalPayout);
}
/// interactions
// pay outs
// earlier tranche recipients may try to re-enter but will cause fn to
// revert
// when later external calls fail (bc balance is emptied early)
// pay out principal
_payout(principalRecipient, _principalPayout, pullOrPush);
// pay out reward
_payout(rewardRecipient, _rewardPayout, pullOrPush);
if (pullOrPush == PULL) {
if (_principalPayout > 0 || _rewardPayout > 0) {
// Write to storage
fundsPendingWithdrawal = uint128(_memoryFundsPendingWithdrawal + _principalPayout + _rewardPayout);
}
}
emit DistributeFunds(_principalPayout, _rewardPayout, pullOrPush);
}
function _payout(address recipient, uint256 payoutAmount, uint256 pullOrPush) internal {
if (payoutAmount > 0) {
if (pullOrPush == PULL) {
// Write to Storage
pullBalances[recipient] += payoutAmount;
} else if (pullOrPush == PUSH) {
recipient.safeTransferETH(payoutAmount);
} else {
revert InvalidRequest_Params();
}
}
}
}
// src/ovm/ObolValidatorManagerFactory.sol
/// @title ObolValidatorManagerFactory
/// @author Obol
/// @notice A factory contract for deploying ObolValidatorManager.
contract ObolValidatorManagerFactory {
/// -----------------------------------------------------------------------
/// errors
/// -----------------------------------------------------------------------
/// Owner cannot be address(0)
error Invalid_Owner();
/// Some recipients are address(0)
error Invalid__Recipients();
/// Threshold must be positive
error Invalid__ZeroThreshold();
/// Threshold must be below 2048 ether
error Invalid__ThresholdTooLarge();
/// -----------------------------------------------------------------------
/// events
/// -----------------------------------------------------------------------
/// Emitted after a new ObolValidatorManager instance is deployed
/// @param ovm Address of newly created ObolValidatorManager instance
/// @param owner Owner of newly created ObolValidatorManager instance
/// @param principalRecipient Address to distribute principal payment to
/// @param rewardRecipient Address to distribute reward payment to
/// @param principalThreshold Principal vs rewards classification threshold (gwei)
event CreateObolValidatorManager(
address indexed ovm,
address indexed owner,
address principalRecipient,
address rewardRecipient,
uint64 principalThreshold
);
/// -----------------------------------------------------------------------
/// storage - immutable
/// -----------------------------------------------------------------------
address public immutable consolidationSystemContract;
address public immutable withdrawalSystemContract;
address public immutable depositSystemContract;
/// -----------------------------------------------------------------------
/// constructor
/// -----------------------------------------------------------------------
/// @param _consolidationSystemContract Consolidation system contract address
/// @param _withdrawalSystemContract Withdrawal system contract address
/// @param _depositSystemContract Deposit system contract address
/// @dev System contracts are expected to be deployed at:
/// Consolidation: 0x00431F263cE400f4455c2dCf564e53007Ca4bbBb
/// https://github.com/ethereum/EIPs/blob/d96625a4dcbbe2572fa006f062bd02b4582eefd5/EIPS/eip-7251.md#constants
/// Withdrawal: 0x0c15F14308530b7CDB8460094BbB9cC28b9AaaAA
/// https://github.com/ethereum/EIPs/blob/d96625a4dcbbe2572fa006f062bd02b4582eefd5/EIPS/eip-7002.md#configuration
/// Deposit Holesky/Devnet: 0x4242424242424242424242424242424242424242
/// Deposit Sepolia: 0x7f02C3E3c98b133055B8B348B2Ac625669Ed295D
/// Deposit Mainnet: 0x00000000219ab540356cBB839Cbe05303d7705Fa
constructor(
address _consolidationSystemContract,
address _withdrawalSystemContract,
address _depositSystemContract
// string memory _ensName,
// address _ensReverseRegistrar,
// address _ensOwner
) {
consolidationSystemContract = _consolidationSystemContract;
withdrawalSystemContract = _withdrawalSystemContract;
depositSystemContract = _depositSystemContract;
// IENSReverseRegistrar(_ensReverseRegistrar).setName(_ensName);
// IENSReverseRegistrar(_ensReverseRegistrar).claim(_ensOwner);
}
/// -----------------------------------------------------------------------
/// functions
/// -----------------------------------------------------------------------
/// -----------------------------------------------------------------------
/// functions - public & external
/// -----------------------------------------------------------------------
/// Create a new ObolValidatorManager instance
/// @param owner Owner of the new ObolValidatorManager instance
/// @param principalRecipient Address to distribute principal payments to
/// @param rewardRecipient Address to distribute reward payments to
/// @param principalThreshold Principal vs rewards classification threshold (gwei)
/// @return ovm Address of the new ObolValidatorManager instance
function createObolValidatorManager(
address owner,
address principalRecipient,
address rewardRecipient,
uint64 principalThreshold
) external returns (ObolValidatorManager ovm) {
if (owner == address(0)) revert Invalid_Owner();
if (principalRecipient == address(0) || rewardRecipient == address(0)) revert Invalid__Recipients();
if (principalThreshold == 0) revert Invalid__ZeroThreshold();
if (principalThreshold > 2048 * 1e9) revert Invalid__ThresholdTooLarge();
ovm = new ObolValidatorManager(
consolidationSystemContract,
withdrawalSystemContract,
depositSystemContract,
owner,
principalRecipient,
rewardRecipient,
principalThreshold
);
emit CreateObolValidatorManager(
address(ovm),
owner,
principalRecipient,
rewardRecipient,
principalThreshold
);
}
}Contract ABI
API[{"inputs":[{"internalType":"address","name":"_consolidationSystemContract","type":"address"},{"internalType":"address","name":"_withdrawalSystemContract","type":"address"},{"internalType":"address","name":"_depositSystemContract","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[],"name":"Invalid_Owner","type":"error"},{"inputs":[],"name":"Invalid__Recipients","type":"error"},{"inputs":[],"name":"Invalid__ThresholdTooLarge","type":"error"},{"inputs":[],"name":"Invalid__ZeroThreshold","type":"error"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"ovm","type":"address"},{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":false,"internalType":"address","name":"principalRecipient","type":"address"},{"indexed":false,"internalType":"address","name":"rewardRecipient","type":"address"},{"indexed":false,"internalType":"uint64","name":"principalThreshold","type":"uint64"}],"name":"CreateObolValidatorManager","type":"event"},{"inputs":[],"name":"consolidationSystemContract","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"address","name":"principalRecipient","type":"address"},{"internalType":"address","name":"rewardRecipient","type":"address"},{"internalType":"uint64","name":"principalThreshold","type":"uint64"}],"name":"createObolValidatorManager","outputs":[{"internalType":"contract ObolValidatorManager","name":"ovm","type":"address"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"depositSystemContract","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"withdrawalSystemContract","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"}]Contract Creation Code
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Constructor Arguments (ABI-Encoded and is the last bytes of the Contract Creation Code above)
00000000000000000000000000431f263ce400f4455c2dcf564e53007ca4bbbb0000000000000000000000000c15f14308530b7cdb8460094bbb9cc28b9aaaaa00000000000000000000000000000000219ab540356cbb839cbe05303d7705fa
-----Decoded View---------------
Arg [0] : _consolidationSystemContract (address): 0x00431F263cE400f4455c2dCf564e53007Ca4bbBb
Arg [1] : _withdrawalSystemContract (address): 0x0c15F14308530b7CDB8460094BbB9cC28b9AaaAA
Arg [2] : _depositSystemContract (address): 0x00000000219ab540356cBB839Cbe05303d7705Fa
-----Encoded View---------------
3 Constructor Arguments found :
Arg [0] : 00000000000000000000000000431f263ce400f4455c2dcf564e53007ca4bbbb
Arg [1] : 0000000000000000000000000c15f14308530b7cdb8460094bbb9cc28b9aaaaa
Arg [2] : 00000000000000000000000000000000219ab540356cbb839cbe05303d7705fa
Deployed Bytecode Sourcemap
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Swarm Source
ipfs://ab531b7b2d9269abd9d5f90c7614fb672cbb79e27c253415c639013be1388968
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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.