Feature Tip: Add private address tag to any address under My Name Tag !
ERC-20
Overview
Max Total Supply
900,000,000 HERE
Holders
750
Market
Onchain Market Cap
$0.00
Circulating Supply Market Cap
-
Other Info
Token Contract (WITH 18 Decimals)
Balance
1,463.6 HEREValue
$0.00Loading...
Loading
Loading...
Loading
Loading...
Loading
# | Exchange | Pair | Price | 24H Volume | % Volume |
---|
Contract Source Code Verified (Exact Match)
Contract Name:
SphereXToken
Compiler Version
v0.8.20+commit.a1b79de6
Optimization Enabled:
No with 200 runs
Other Settings:
paris EvmVersion
Contract Source Code (Solidity Standard Json-Input format)
// SPDX-License-Identifier: MIT pragma solidity 0.8.20; import "@openzeppelin/contracts/token/ERC20/ERC20.sol"; import "@openzeppelin/contracts/token/ERC20/extensions/ERC20Permit.sol"; import "@openzeppelin/contracts/access/Ownable.sol"; import "@openzeppelin/contracts/token/ERC20/extensions/ERC20Votes.sol"; contract SphereXToken is ERC20, ERC20Permit, ERC20Votes, Ownable { uint256 public constant initTotalSupply = 900_000_000e18; constructor( address initialOwner ) ERC20("SphereX", "HERE") ERC20Permit("SphereX") Ownable(initialOwner) { _mint(msg.sender, initTotalSupply); } function _update( address from, address to, uint256 value ) internal override(ERC20, ERC20Votes) { super._update(from, to, value); } function nonces( address owner ) public view override(ERC20Permit, Nonces) returns (uint256) { return super.nonces(owner); } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.0.0) (access/Ownable.sol) pragma solidity ^0.8.20; import {Context} from "../utils/Context.sol"; /** * @dev Contract module which provides a basic access control mechanism, where * there is an account (an owner) that can be granted exclusive access to * specific functions. * * The initial owner is set to the address provided by the deployer. This can * later be changed with {transferOwnership}. * * This module is used through inheritance. It will make available the modifier * `onlyOwner`, which can be applied to your functions to restrict their use to * the owner. */ abstract contract Ownable is Context { address private _owner; /** * @dev The caller account is not authorized to perform an operation. */ error OwnableUnauthorizedAccount(address account); /** * @dev The owner is not a valid owner account. (eg. `address(0)`) */ error OwnableInvalidOwner(address owner); event OwnershipTransferred(address indexed previousOwner, address indexed newOwner); /** * @dev Initializes the contract setting the address provided by the deployer as the initial owner. */ constructor(address initialOwner) { if (initialOwner == address(0)) { revert OwnableInvalidOwner(address(0)); } _transferOwnership(initialOwner); } /** * @dev Throws if called by any account other than the owner. */ modifier onlyOwner() { _checkOwner(); _; } /** * @dev Returns the address of the current owner. */ function owner() public view virtual returns (address) { return _owner; } /** * @dev Throws if the sender is not the owner. */ function _checkOwner() internal view virtual { if (owner() != _msgSender()) { revert OwnableUnauthorizedAccount(_msgSender()); } } /** * @dev Leaves the contract without owner. It will not be possible to call * `onlyOwner` functions. Can only be called by the current owner. * * NOTE: Renouncing ownership will leave the contract without an owner, * thereby disabling any functionality that is only available to the owner. */ function renounceOwnership() public virtual onlyOwner { _transferOwnership(address(0)); } /** * @dev Transfers ownership of the contract to a new account (`newOwner`). * Can only be called by the current owner. */ function transferOwnership(address newOwner) public virtual onlyOwner { if (newOwner == address(0)) { revert OwnableInvalidOwner(address(0)); } _transferOwnership(newOwner); } /** * @dev Transfers ownership of the contract to a new account (`newOwner`). * Internal function without access restriction. */ function _transferOwnership(address newOwner) internal virtual { address oldOwner = _owner; _owner = newOwner; emit OwnershipTransferred(oldOwner, newOwner); } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.0.0) (governance/utils/IVotes.sol) pragma solidity ^0.8.20; /** * @dev Common interface for {ERC20Votes}, {ERC721Votes}, and other {Votes}-enabled contracts. */ interface IVotes { /** * @dev The signature used has expired. */ error VotesExpiredSignature(uint256 expiry); /** * @dev Emitted when an account changes their delegate. */ event DelegateChanged(address indexed delegator, address indexed fromDelegate, address indexed toDelegate); /** * @dev Emitted when a token transfer or delegate change results in changes to a delegate's number of voting units. */ event DelegateVotesChanged(address indexed delegate, uint256 previousVotes, uint256 newVotes); /** * @dev Returns the current amount of votes that `account` has. */ function getVotes(address account) external view returns (uint256); /** * @dev Returns the amount of votes that `account` had at a specific moment in the past. If the `clock()` is * configured to use block numbers, this will return the value at the end of the corresponding block. */ function getPastVotes(address account, uint256 timepoint) external view returns (uint256); /** * @dev Returns the total supply of votes available at a specific moment in the past. If the `clock()` is * configured to use block numbers, this will return the value at the end of the corresponding block. * * NOTE: This value is the sum of all available votes, which is not necessarily the sum of all delegated votes. * Votes that have not been delegated are still part of total supply, even though they would not participate in a * vote. */ function getPastTotalSupply(uint256 timepoint) external view returns (uint256); /** * @dev Returns the delegate that `account` has chosen. */ function delegates(address account) external view returns (address); /** * @dev Delegates votes from the sender to `delegatee`. */ function delegate(address delegatee) external; /** * @dev Delegates votes from signer to `delegatee`. */ function delegateBySig(address delegatee, uint256 nonce, uint256 expiry, uint8 v, bytes32 r, bytes32 s) external; }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.0.0) (governance/utils/Votes.sol) pragma solidity ^0.8.20; import {IERC5805} from "../../interfaces/IERC5805.sol"; import {Context} from "../../utils/Context.sol"; import {Nonces} from "../../utils/Nonces.sol"; import {EIP712} from "../../utils/cryptography/EIP712.sol"; import {Checkpoints} from "../../utils/structs/Checkpoints.sol"; import {SafeCast} from "../../utils/math/SafeCast.sol"; import {ECDSA} from "../../utils/cryptography/ECDSA.sol"; import {Time} from "../../utils/types/Time.sol"; /** * @dev This is a base abstract contract that tracks voting units, which are a measure of voting power that can be * transferred, and provides a system of vote delegation, where an account can delegate its voting units to a sort of * "representative" that will pool delegated voting units from different accounts and can then use it to vote in * decisions. In fact, voting units _must_ be delegated in order to count as actual votes, and an account has to * delegate those votes to itself if it wishes to participate in decisions and does not have a trusted representative. * * This contract is often combined with a token contract such that voting units correspond to token units. For an * example, see {ERC721Votes}. * * The full history of delegate votes is tracked on-chain so that governance protocols can consider votes as distributed * at a particular block number to protect against flash loans and double voting. The opt-in delegate system makes the * cost of this history tracking optional. * * When using this module the derived contract must implement {_getVotingUnits} (for example, make it return * {ERC721-balanceOf}), and can use {_transferVotingUnits} to track a change in the distribution of those units (in the * previous example, it would be included in {ERC721-_update}). */ abstract contract Votes is Context, EIP712, Nonces, IERC5805 { using Checkpoints for Checkpoints.Trace208; bytes32 private constant DELEGATION_TYPEHASH = keccak256("Delegation(address delegatee,uint256 nonce,uint256 expiry)"); mapping(address account => address) private _delegatee; mapping(address delegatee => Checkpoints.Trace208) private _delegateCheckpoints; Checkpoints.Trace208 private _totalCheckpoints; /** * @dev The clock was incorrectly modified. */ error ERC6372InconsistentClock(); /** * @dev Lookup to future votes is not available. */ error ERC5805FutureLookup(uint256 timepoint, uint48 clock); /** * @dev Clock used for flagging checkpoints. Can be overridden to implement timestamp based * checkpoints (and voting), in which case {CLOCK_MODE} should be overridden as well to match. */ function clock() public view virtual returns (uint48) { return Time.blockNumber(); } /** * @dev Machine-readable description of the clock as specified in EIP-6372. */ // solhint-disable-next-line func-name-mixedcase function CLOCK_MODE() public view virtual returns (string memory) { // Check that the clock was not modified if (clock() != Time.blockNumber()) { revert ERC6372InconsistentClock(); } return "mode=blocknumber&from=default"; } /** * @dev Returns the current amount of votes that `account` has. */ function getVotes(address account) public view virtual returns (uint256) { return _delegateCheckpoints[account].latest(); } /** * @dev Returns the amount of votes that `account` had at a specific moment in the past. If the `clock()` is * configured to use block numbers, this will return the value at the end of the corresponding block. * * Requirements: * * - `timepoint` must be in the past. If operating using block numbers, the block must be already mined. */ function getPastVotes(address account, uint256 timepoint) public view virtual returns (uint256) { uint48 currentTimepoint = clock(); if (timepoint >= currentTimepoint) { revert ERC5805FutureLookup(timepoint, currentTimepoint); } return _delegateCheckpoints[account].upperLookupRecent(SafeCast.toUint48(timepoint)); } /** * @dev Returns the total supply of votes available at a specific moment in the past. If the `clock()` is * configured to use block numbers, this will return the value at the end of the corresponding block. * * NOTE: This value is the sum of all available votes, which is not necessarily the sum of all delegated votes. * Votes that have not been delegated are still part of total supply, even though they would not participate in a * vote. * * Requirements: * * - `timepoint` must be in the past. If operating using block numbers, the block must be already mined. */ function getPastTotalSupply(uint256 timepoint) public view virtual returns (uint256) { uint48 currentTimepoint = clock(); if (timepoint >= currentTimepoint) { revert ERC5805FutureLookup(timepoint, currentTimepoint); } return _totalCheckpoints.upperLookupRecent(SafeCast.toUint48(timepoint)); } /** * @dev Returns the current total supply of votes. */ function _getTotalSupply() internal view virtual returns (uint256) { return _totalCheckpoints.latest(); } /** * @dev Returns the delegate that `account` has chosen. */ function delegates(address account) public view virtual returns (address) { return _delegatee[account]; } /** * @dev Delegates votes from the sender to `delegatee`. */ function delegate(address delegatee) public virtual { address account = _msgSender(); _delegate(account, delegatee); } /** * @dev Delegates votes from signer to `delegatee`. */ function delegateBySig( address delegatee, uint256 nonce, uint256 expiry, uint8 v, bytes32 r, bytes32 s ) public virtual { if (block.timestamp > expiry) { revert VotesExpiredSignature(expiry); } address signer = ECDSA.recover( _hashTypedDataV4(keccak256(abi.encode(DELEGATION_TYPEHASH, delegatee, nonce, expiry))), v, r, s ); _useCheckedNonce(signer, nonce); _delegate(signer, delegatee); } /** * @dev Delegate all of `account`'s voting units to `delegatee`. * * Emits events {IVotes-DelegateChanged} and {IVotes-DelegateVotesChanged}. */ function _delegate(address account, address delegatee) internal virtual { address oldDelegate = delegates(account); _delegatee[account] = delegatee; emit DelegateChanged(account, oldDelegate, delegatee); _moveDelegateVotes(oldDelegate, delegatee, _getVotingUnits(account)); } /** * @dev Transfers, mints, or burns voting units. To register a mint, `from` should be zero. To register a burn, `to` * should be zero. Total supply of voting units will be adjusted with mints and burns. */ function _transferVotingUnits(address from, address to, uint256 amount) internal virtual { if (from == address(0)) { _push(_totalCheckpoints, _add, SafeCast.toUint208(amount)); } if (to == address(0)) { _push(_totalCheckpoints, _subtract, SafeCast.toUint208(amount)); } _moveDelegateVotes(delegates(from), delegates(to), amount); } /** * @dev Moves delegated votes from one delegate to another. */ function _moveDelegateVotes(address from, address to, uint256 amount) private { if (from != to && amount > 0) { if (from != address(0)) { (uint256 oldValue, uint256 newValue) = _push( _delegateCheckpoints[from], _subtract, SafeCast.toUint208(amount) ); emit DelegateVotesChanged(from, oldValue, newValue); } if (to != address(0)) { (uint256 oldValue, uint256 newValue) = _push( _delegateCheckpoints[to], _add, SafeCast.toUint208(amount) ); emit DelegateVotesChanged(to, oldValue, newValue); } } } /** * @dev Get number of checkpoints for `account`. */ function _numCheckpoints(address account) internal view virtual returns (uint32) { return SafeCast.toUint32(_delegateCheckpoints[account].length()); } /** * @dev Get the `pos`-th checkpoint for `account`. */ function _checkpoints( address account, uint32 pos ) internal view virtual returns (Checkpoints.Checkpoint208 memory) { return _delegateCheckpoints[account].at(pos); } function _push( Checkpoints.Trace208 storage store, function(uint208, uint208) view returns (uint208) op, uint208 delta ) private returns (uint208, uint208) { return store.push(clock(), op(store.latest(), delta)); } function _add(uint208 a, uint208 b) private pure returns (uint208) { return a + b; } function _subtract(uint208 a, uint208 b) private pure returns (uint208) { return a - b; } /** * @dev Must return the voting units held by an account. */ function _getVotingUnits(address) internal view virtual returns (uint256); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.0.0) (interfaces/draft-IERC6093.sol) pragma solidity ^0.8.20; /** * @dev Standard ERC20 Errors * Interface of the https://eips.ethereum.org/EIPS/eip-6093[ERC-6093] custom errors for ERC20 tokens. */ interface IERC20Errors { /** * @dev Indicates an error related to the current `balance` of a `sender`. Used in transfers. * @param sender Address whose tokens are being transferred. * @param balance Current balance for the interacting account. * @param needed Minimum amount required to perform a transfer. */ error ERC20InsufficientBalance(address sender, uint256 balance, uint256 needed); /** * @dev Indicates a failure with the token `sender`. Used in transfers. * @param sender Address whose tokens are being transferred. */ error ERC20InvalidSender(address sender); /** * @dev Indicates a failure with the token `receiver`. Used in transfers. * @param receiver Address to which tokens are being transferred. */ error ERC20InvalidReceiver(address receiver); /** * @dev Indicates a failure with the `spender`’s `allowance`. Used in transfers. * @param spender Address that may be allowed to operate on tokens without being their owner. * @param allowance Amount of tokens a `spender` is allowed to operate with. * @param needed Minimum amount required to perform a transfer. */ error ERC20InsufficientAllowance(address spender, uint256 allowance, uint256 needed); /** * @dev Indicates a failure with the `approver` of a token to be approved. Used in approvals. * @param approver Address initiating an approval operation. */ error ERC20InvalidApprover(address approver); /** * @dev Indicates a failure with the `spender` to be approved. Used in approvals. * @param spender Address that may be allowed to operate on tokens without being their owner. */ error ERC20InvalidSpender(address spender); } /** * @dev Standard ERC721 Errors * Interface of the https://eips.ethereum.org/EIPS/eip-6093[ERC-6093] custom errors for ERC721 tokens. */ interface IERC721Errors { /** * @dev Indicates that an address can't be an owner. For example, `address(0)` is a forbidden owner in EIP-20. * Used in balance queries. * @param owner Address of the current owner of a token. */ error ERC721InvalidOwner(address owner); /** * @dev Indicates a `tokenId` whose `owner` is the zero address. * @param tokenId Identifier number of a token. */ error ERC721NonexistentToken(uint256 tokenId); /** * @dev Indicates an error related to the ownership over a particular token. Used in transfers. * @param sender Address whose tokens are being transferred. * @param tokenId Identifier number of a token. * @param owner Address of the current owner of a token. */ error ERC721IncorrectOwner(address sender, uint256 tokenId, address owner); /** * @dev Indicates a failure with the token `sender`. Used in transfers. * @param sender Address whose tokens are being transferred. */ error ERC721InvalidSender(address sender); /** * @dev Indicates a failure with the token `receiver`. Used in transfers. * @param receiver Address to which tokens are being transferred. */ error ERC721InvalidReceiver(address receiver); /** * @dev Indicates a failure with the `operator`’s approval. Used in transfers. * @param operator Address that may be allowed to operate on tokens without being their owner. * @param tokenId Identifier number of a token. */ error ERC721InsufficientApproval(address operator, uint256 tokenId); /** * @dev Indicates a failure with the `approver` of a token to be approved. Used in approvals. * @param approver Address initiating an approval operation. */ error ERC721InvalidApprover(address approver); /** * @dev Indicates a failure with the `operator` to be approved. Used in approvals. * @param operator Address that may be allowed to operate on tokens without being their owner. */ error ERC721InvalidOperator(address operator); } /** * @dev Standard ERC1155 Errors * Interface of the https://eips.ethereum.org/EIPS/eip-6093[ERC-6093] custom errors for ERC1155 tokens. */ interface IERC1155Errors { /** * @dev Indicates an error related to the current `balance` of a `sender`. Used in transfers. * @param sender Address whose tokens are being transferred. * @param balance Current balance for the interacting account. * @param needed Minimum amount required to perform a transfer. * @param tokenId Identifier number of a token. */ error ERC1155InsufficientBalance(address sender, uint256 balance, uint256 needed, uint256 tokenId); /** * @dev Indicates a failure with the token `sender`. Used in transfers. * @param sender Address whose tokens are being transferred. */ error ERC1155InvalidSender(address sender); /** * @dev Indicates a failure with the token `receiver`. Used in transfers. * @param receiver Address to which tokens are being transferred. */ error ERC1155InvalidReceiver(address receiver); /** * @dev Indicates a failure with the `operator`’s approval. Used in transfers. * @param operator Address that may be allowed to operate on tokens without being their owner. * @param owner Address of the current owner of a token. */ error ERC1155MissingApprovalForAll(address operator, address owner); /** * @dev Indicates a failure with the `approver` of a token to be approved. Used in approvals. * @param approver Address initiating an approval operation. */ error ERC1155InvalidApprover(address approver); /** * @dev Indicates a failure with the `operator` to be approved. Used in approvals. * @param operator Address that may be allowed to operate on tokens without being their owner. */ error ERC1155InvalidOperator(address operator); /** * @dev Indicates an array length mismatch between ids and values in a safeBatchTransferFrom operation. * Used in batch transfers. * @param idsLength Length of the array of token identifiers * @param valuesLength Length of the array of token amounts */ error ERC1155InvalidArrayLength(uint256 idsLength, uint256 valuesLength); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.0.0) (interfaces/IERC5267.sol) pragma solidity ^0.8.20; interface IERC5267 { /** * @dev MAY be emitted to signal that the domain could have changed. */ event EIP712DomainChanged(); /** * @dev returns the fields and values that describe the domain separator used by this contract for EIP-712 * signature. */ function eip712Domain() external view returns ( bytes1 fields, string memory name, string memory version, uint256 chainId, address verifyingContract, bytes32 salt, uint256[] memory extensions ); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.0.0) (interfaces/IERC5805.sol) pragma solidity ^0.8.20; import {IVotes} from "../governance/utils/IVotes.sol"; import {IERC6372} from "./IERC6372.sol"; interface IERC5805 is IERC6372, IVotes {}
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.0.0) (interfaces/IERC6372.sol) pragma solidity ^0.8.20; interface IERC6372 { /** * @dev Clock used for flagging checkpoints. Can be overridden to implement timestamp based checkpoints (and voting). */ function clock() external view returns (uint48); /** * @dev Description of the clock */ // solhint-disable-next-line func-name-mixedcase function CLOCK_MODE() external view returns (string memory); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.0.0) (token/ERC20/ERC20.sol) pragma solidity ^0.8.20; import {IERC20} from "./IERC20.sol"; import {IERC20Metadata} from "./extensions/IERC20Metadata.sol"; import {Context} from "../../utils/Context.sol"; import {IERC20Errors} from "../../interfaces/draft-IERC6093.sol"; /** * @dev Implementation of the {IERC20} interface. * * This implementation is agnostic to the way tokens are created. This means * that a supply mechanism has to be added in a derived contract using {_mint}. * * TIP: For a detailed writeup see our guide * https://forum.openzeppelin.com/t/how-to-implement-erc20-supply-mechanisms/226[How * to implement supply mechanisms]. * * The default value of {decimals} is 18. To change this, you should override * this function so it returns a different value. * * We have followed general OpenZeppelin Contracts guidelines: functions revert * instead returning `false` on failure. This behavior is nonetheless * conventional and does not conflict with the expectations of ERC20 * applications. * * Additionally, an {Approval} event is emitted on calls to {transferFrom}. * This allows applications to reconstruct the allowance for all accounts just * by listening to said events. Other implementations of the EIP may not emit * these events, as it isn't required by the specification. */ abstract contract ERC20 is Context, IERC20, IERC20Metadata, IERC20Errors { mapping(address account => uint256) private _balances; mapping(address account => mapping(address spender => uint256)) private _allowances; uint256 private _totalSupply; string private _name; string private _symbol; /** * @dev Sets the values for {name} and {symbol}. * * All two of these values are immutable: they can only be set once during * construction. */ constructor(string memory name_, string memory symbol_) { _name = name_; _symbol = symbol_; } /** * @dev Returns the name of the token. */ function name() public view virtual returns (string memory) { return _name; } /** * @dev Returns the symbol of the token, usually a shorter version of the * name. */ function symbol() public view virtual returns (string memory) { return _symbol; } /** * @dev Returns the number of decimals used to get its user representation. * For example, if `decimals` equals `2`, a balance of `505` tokens should * be displayed to a user as `5.05` (`505 / 10 ** 2`). * * Tokens usually opt for a value of 18, imitating the relationship between * Ether and Wei. This is the default value returned by this function, unless * it's overridden. * * NOTE: This information is only used for _display_ purposes: it in * no way affects any of the arithmetic of the contract, including * {IERC20-balanceOf} and {IERC20-transfer}. */ function decimals() public view virtual returns (uint8) { return 18; } /** * @dev See {IERC20-totalSupply}. */ function totalSupply() public view virtual returns (uint256) { return _totalSupply; } /** * @dev See {IERC20-balanceOf}. */ function balanceOf(address account) public view virtual returns (uint256) { return _balances[account]; } /** * @dev See {IERC20-transfer}. * * Requirements: * * - `to` cannot be the zero address. * - the caller must have a balance of at least `value`. */ function transfer(address to, uint256 value) public virtual returns (bool) { address owner = _msgSender(); _transfer(owner, to, value); return true; } /** * @dev See {IERC20-allowance}. */ function allowance(address owner, address spender) public view virtual returns (uint256) { return _allowances[owner][spender]; } /** * @dev See {IERC20-approve}. * * NOTE: If `value` is the maximum `uint256`, the allowance is not updated on * `transferFrom`. This is semantically equivalent to an infinite approval. * * Requirements: * * - `spender` cannot be the zero address. */ function approve(address spender, uint256 value) public virtual returns (bool) { address owner = _msgSender(); _approve(owner, spender, value); return true; } /** * @dev See {IERC20-transferFrom}. * * Emits an {Approval} event indicating the updated allowance. This is not * required by the EIP. See the note at the beginning of {ERC20}. * * NOTE: Does not update the allowance if the current allowance * is the maximum `uint256`. * * Requirements: * * - `from` and `to` cannot be the zero address. * - `from` must have a balance of at least `value`. * - the caller must have allowance for ``from``'s tokens of at least * `value`. */ function transferFrom(address from, address to, uint256 value) public virtual returns (bool) { address spender = _msgSender(); _spendAllowance(from, spender, value); _transfer(from, to, value); return true; } /** * @dev Moves a `value` amount of tokens from `from` to `to`. * * This internal function is equivalent to {transfer}, and can be used to * e.g. implement automatic token fees, slashing mechanisms, etc. * * Emits a {Transfer} event. * * NOTE: This function is not virtual, {_update} should be overridden instead. */ function _transfer(address from, address to, uint256 value) internal { if (from == address(0)) { revert ERC20InvalidSender(address(0)); } if (to == address(0)) { revert ERC20InvalidReceiver(address(0)); } _update(from, to, value); } /** * @dev Transfers a `value` amount of tokens from `from` to `to`, or alternatively mints (or burns) if `from` * (or `to`) is the zero address. All customizations to transfers, mints, and burns should be done by overriding * this function. * * Emits a {Transfer} event. */ function _update(address from, address to, uint256 value) internal virtual { if (from == address(0)) { // Overflow check required: The rest of the code assumes that totalSupply never overflows _totalSupply += value; } else { uint256 fromBalance = _balances[from]; if (fromBalance < value) { revert ERC20InsufficientBalance(from, fromBalance, value); } unchecked { // Overflow not possible: value <= fromBalance <= totalSupply. _balances[from] = fromBalance - value; } } if (to == address(0)) { unchecked { // Overflow not possible: value <= totalSupply or value <= fromBalance <= totalSupply. _totalSupply -= value; } } else { unchecked { // Overflow not possible: balance + value is at most totalSupply, which we know fits into a uint256. _balances[to] += value; } } emit Transfer(from, to, value); } /** * @dev Creates a `value` amount of tokens and assigns them to `account`, by transferring it from address(0). * Relies on the `_update` mechanism * * Emits a {Transfer} event with `from` set to the zero address. * * NOTE: This function is not virtual, {_update} should be overridden instead. */ function _mint(address account, uint256 value) internal { if (account == address(0)) { revert ERC20InvalidReceiver(address(0)); } _update(address(0), account, value); } /** * @dev Destroys a `value` amount of tokens from `account`, lowering the total supply. * Relies on the `_update` mechanism. * * Emits a {Transfer} event with `to` set to the zero address. * * NOTE: This function is not virtual, {_update} should be overridden instead */ function _burn(address account, uint256 value) internal { if (account == address(0)) { revert ERC20InvalidSender(address(0)); } _update(account, address(0), value); } /** * @dev Sets `value` as the allowance of `spender` over the `owner` s tokens. * * This internal function is equivalent to `approve`, and can be used to * e.g. set automatic allowances for certain subsystems, etc. * * Emits an {Approval} event. * * Requirements: * * - `owner` cannot be the zero address. * - `spender` cannot be the zero address. * * Overrides to this logic should be done to the variant with an additional `bool emitEvent` argument. */ function _approve(address owner, address spender, uint256 value) internal { _approve(owner, spender, value, true); } /** * @dev Variant of {_approve} with an optional flag to enable or disable the {Approval} event. * * By default (when calling {_approve}) the flag is set to true. On the other hand, approval changes made by * `_spendAllowance` during the `transferFrom` operation set the flag to false. This saves gas by not emitting any * `Approval` event during `transferFrom` operations. * * Anyone who wishes to continue emitting `Approval` events on the`transferFrom` operation can force the flag to * true using the following override: * ``` * function _approve(address owner, address spender, uint256 value, bool) internal virtual override { * super._approve(owner, spender, value, true); * } * ``` * * Requirements are the same as {_approve}. */ function _approve(address owner, address spender, uint256 value, bool emitEvent) internal virtual { if (owner == address(0)) { revert ERC20InvalidApprover(address(0)); } if (spender == address(0)) { revert ERC20InvalidSpender(address(0)); } _allowances[owner][spender] = value; if (emitEvent) { emit Approval(owner, spender, value); } } /** * @dev Updates `owner` s allowance for `spender` based on spent `value`. * * Does not update the allowance value in case of infinite allowance. * Revert if not enough allowance is available. * * Does not emit an {Approval} event. */ function _spendAllowance(address owner, address spender, uint256 value) internal virtual { uint256 currentAllowance = allowance(owner, spender); if (currentAllowance != type(uint256).max) { if (currentAllowance < value) { revert ERC20InsufficientAllowance(spender, currentAllowance, value); } unchecked { _approve(owner, spender, currentAllowance - value, false); } } } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.0.0) (token/ERC20/extensions/ERC20Permit.sol) pragma solidity ^0.8.20; import {IERC20Permit} from "./IERC20Permit.sol"; import {ERC20} from "../ERC20.sol"; import {ECDSA} from "../../../utils/cryptography/ECDSA.sol"; import {EIP712} from "../../../utils/cryptography/EIP712.sol"; import {Nonces} from "../../../utils/Nonces.sol"; /** * @dev Implementation of the ERC20 Permit extension allowing approvals to be made via signatures, as defined in * https://eips.ethereum.org/EIPS/eip-2612[EIP-2612]. * * Adds the {permit} method, which can be used to change an account's ERC20 allowance (see {IERC20-allowance}) by * presenting a message signed by the account. By not relying on `{IERC20-approve}`, the token holder account doesn't * need to send a transaction, and thus is not required to hold Ether at all. */ abstract contract ERC20Permit is ERC20, IERC20Permit, EIP712, Nonces { bytes32 private constant PERMIT_TYPEHASH = keccak256("Permit(address owner,address spender,uint256 value,uint256 nonce,uint256 deadline)"); /** * @dev Permit deadline has expired. */ error ERC2612ExpiredSignature(uint256 deadline); /** * @dev Mismatched signature. */ error ERC2612InvalidSigner(address signer, address owner); /** * @dev Initializes the {EIP712} domain separator using the `name` parameter, and setting `version` to `"1"`. * * It's a good idea to use the same `name` that is defined as the ERC20 token name. */ constructor(string memory name) EIP712(name, "1") {} /** * @inheritdoc IERC20Permit */ function permit( address owner, address spender, uint256 value, uint256 deadline, uint8 v, bytes32 r, bytes32 s ) public virtual { if (block.timestamp > deadline) { revert ERC2612ExpiredSignature(deadline); } bytes32 structHash = keccak256(abi.encode(PERMIT_TYPEHASH, owner, spender, value, _useNonce(owner), deadline)); bytes32 hash = _hashTypedDataV4(structHash); address signer = ECDSA.recover(hash, v, r, s); if (signer != owner) { revert ERC2612InvalidSigner(signer, owner); } _approve(owner, spender, value); } /** * @inheritdoc IERC20Permit */ function nonces(address owner) public view virtual override(IERC20Permit, Nonces) returns (uint256) { return super.nonces(owner); } /** * @inheritdoc IERC20Permit */ // solhint-disable-next-line func-name-mixedcase function DOMAIN_SEPARATOR() external view virtual returns (bytes32) { return _domainSeparatorV4(); } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.0.0) (token/ERC20/extensions/ERC20Votes.sol) pragma solidity ^0.8.20; import {ERC20} from "../ERC20.sol"; import {Votes} from "../../../governance/utils/Votes.sol"; import {Checkpoints} from "../../../utils/structs/Checkpoints.sol"; /** * @dev Extension of ERC20 to support Compound-like voting and delegation. This version is more generic than Compound's, * and supports token supply up to 2^208^ - 1, while COMP is limited to 2^96^ - 1. * * NOTE: This contract does not provide interface compatibility with Compound's COMP token. * * This extension keeps a history (checkpoints) of each account's vote power. Vote power can be delegated either * by calling the {delegate} function directly, or by providing a signature to be used with {delegateBySig}. Voting * power can be queried through the public accessors {getVotes} and {getPastVotes}. * * By default, token balance does not account for voting power. This makes transfers cheaper. The downside is that it * requires users to delegate to themselves in order to activate checkpoints and have their voting power tracked. */ abstract contract ERC20Votes is ERC20, Votes { /** * @dev Total supply cap has been exceeded, introducing a risk of votes overflowing. */ error ERC20ExceededSafeSupply(uint256 increasedSupply, uint256 cap); /** * @dev Maximum token supply. Defaults to `type(uint208).max` (2^208^ - 1). * * This maximum is enforced in {_update}. It limits the total supply of the token, which is otherwise a uint256, * so that checkpoints can be stored in the Trace208 structure used by {{Votes}}. Increasing this value will not * remove the underlying limitation, and will cause {_update} to fail because of a math overflow in * {_transferVotingUnits}. An override could be used to further restrict the total supply (to a lower value) if * additional logic requires it. When resolving override conflicts on this function, the minimum should be * returned. */ function _maxSupply() internal view virtual returns (uint256) { return type(uint208).max; } /** * @dev Move voting power when tokens are transferred. * * Emits a {IVotes-DelegateVotesChanged} event. */ function _update(address from, address to, uint256 value) internal virtual override { super._update(from, to, value); if (from == address(0)) { uint256 supply = totalSupply(); uint256 cap = _maxSupply(); if (supply > cap) { revert ERC20ExceededSafeSupply(supply, cap); } } _transferVotingUnits(from, to, value); } /** * @dev Returns the voting units of an `account`. * * WARNING: Overriding this function may compromise the internal vote accounting. * `ERC20Votes` assumes tokens map to voting units 1:1 and this is not easy to change. */ function _getVotingUnits(address account) internal view virtual override returns (uint256) { return balanceOf(account); } /** * @dev Get number of checkpoints for `account`. */ function numCheckpoints(address account) public view virtual returns (uint32) { return _numCheckpoints(account); } /** * @dev Get the `pos`-th checkpoint for `account`. */ function checkpoints(address account, uint32 pos) public view virtual returns (Checkpoints.Checkpoint208 memory) { return _checkpoints(account, pos); } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.0.0) (token/ERC20/extensions/IERC20Metadata.sol) pragma solidity ^0.8.20; import {IERC20} from "../IERC20.sol"; /** * @dev Interface for the optional metadata functions from the ERC20 standard. */ interface IERC20Metadata is IERC20 { /** * @dev Returns the name of the token. */ function name() external view returns (string memory); /** * @dev Returns the symbol of the token. */ function symbol() external view returns (string memory); /** * @dev Returns the decimals places of the token. */ function decimals() external view returns (uint8); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.0.0) (token/ERC20/extensions/IERC20Permit.sol) pragma solidity ^0.8.20; /** * @dev Interface of the ERC20 Permit extension allowing approvals to be made via signatures, as defined in * https://eips.ethereum.org/EIPS/eip-2612[EIP-2612]. * * Adds the {permit} method, which can be used to change an account's ERC20 allowance (see {IERC20-allowance}) by * presenting a message signed by the account. By not relying on {IERC20-approve}, the token holder account doesn't * need to send a transaction, and thus is not required to hold Ether at all. * * ==== Security Considerations * * There are two important considerations concerning the use of `permit`. The first is that a valid permit signature * expresses an allowance, and it should not be assumed to convey additional meaning. In particular, it should not be * considered as an intention to spend the allowance in any specific way. The second is that because permits have * built-in replay protection and can be submitted by anyone, they can be frontrun. A protocol that uses permits should * take this into consideration and allow a `permit` call to fail. Combining these two aspects, a pattern that may be * generally recommended is: * * ```solidity * function doThingWithPermit(..., uint256 value, uint256 deadline, uint8 v, bytes32 r, bytes32 s) public { * try token.permit(msg.sender, address(this), value, deadline, v, r, s) {} catch {} * doThing(..., value); * } * * function doThing(..., uint256 value) public { * token.safeTransferFrom(msg.sender, address(this), value); * ... * } * ``` * * Observe that: 1) `msg.sender` is used as the owner, leaving no ambiguity as to the signer intent, and 2) the use of * `try/catch` allows the permit to fail and makes the code tolerant to frontrunning. (See also * {SafeERC20-safeTransferFrom}). * * Additionally, note that smart contract wallets (such as Argent or Safe) are not able to produce permit signatures, so * contracts should have entry points that don't rely on permit. */ interface IERC20Permit { /** * @dev Sets `value` as the allowance of `spender` over ``owner``'s tokens, * given ``owner``'s signed approval. * * IMPORTANT: The same issues {IERC20-approve} has related to transaction * ordering also apply here. * * Emits an {Approval} event. * * Requirements: * * - `spender` cannot be the zero address. * - `deadline` must be a timestamp in the future. * - `v`, `r` and `s` must be a valid `secp256k1` signature from `owner` * over the EIP712-formatted function arguments. * - the signature must use ``owner``'s current nonce (see {nonces}). * * For more information on the signature format, see the * https://eips.ethereum.org/EIPS/eip-2612#specification[relevant EIP * section]. * * CAUTION: See Security Considerations above. */ function permit( address owner, address spender, uint256 value, uint256 deadline, uint8 v, bytes32 r, bytes32 s ) external; /** * @dev Returns the current nonce for `owner`. This value must be * included whenever a signature is generated for {permit}. * * Every successful call to {permit} increases ``owner``'s nonce by one. This * prevents a signature from being used multiple times. */ function nonces(address owner) external view returns (uint256); /** * @dev Returns the domain separator used in the encoding of the signature for {permit}, as defined by {EIP712}. */ // solhint-disable-next-line func-name-mixedcase function DOMAIN_SEPARATOR() external view returns (bytes32); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.0.0) (token/ERC20/IERC20.sol) pragma solidity ^0.8.20; /** * @dev Interface of the ERC20 standard as defined in the EIP. */ interface IERC20 { /** * @dev Emitted when `value` tokens are moved from one account (`from`) to * another (`to`). * * Note that `value` may be zero. */ event Transfer(address indexed from, address indexed to, uint256 value); /** * @dev Emitted when the allowance of a `spender` for an `owner` is set by * a call to {approve}. `value` is the new allowance. */ event Approval(address indexed owner, address indexed spender, uint256 value); /** * @dev Returns the value of tokens in existence. */ function totalSupply() external view returns (uint256); /** * @dev Returns the value of tokens owned by `account`. */ function balanceOf(address account) external view returns (uint256); /** * @dev Moves a `value` amount of tokens from the caller's account to `to`. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. */ function transfer(address to, uint256 value) external returns (bool); /** * @dev Returns the remaining number of tokens that `spender` will be * allowed to spend on behalf of `owner` through {transferFrom}. This is * zero by default. * * This value changes when {approve} or {transferFrom} are called. */ function allowance(address owner, address spender) external view returns (uint256); /** * @dev Sets a `value` amount of tokens as the allowance of `spender` over the * caller's tokens. * * Returns a boolean value indicating whether the operation succeeded. * * IMPORTANT: Beware that changing an allowance with this method brings the risk * that someone may use both the old and the new allowance by unfortunate * transaction ordering. One possible solution to mitigate this race * condition is to first reduce the spender's allowance to 0 and set the * desired value afterwards: * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729 * * Emits an {Approval} event. */ function approve(address spender, uint256 value) external returns (bool); /** * @dev Moves a `value` amount of tokens from `from` to `to` using the * allowance mechanism. `value` is then deducted from the caller's * allowance. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. */ function transferFrom(address from, address to, uint256 value) external returns (bool); }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.0.1) (utils/Context.sol) pragma solidity ^0.8.20; /** * @dev Provides information about the current execution context, including the * sender of the transaction and its data. While these are generally available * via msg.sender and msg.data, they should not be accessed in such a direct * manner, since when dealing with meta-transactions the account sending and * paying for execution may not be the actual sender (as far as an application * is concerned). * * This contract is only required for intermediate, library-like contracts. */ abstract contract Context { function _msgSender() internal view virtual returns (address) { return msg.sender; } function _msgData() internal view virtual returns (bytes calldata) { return msg.data; } function _contextSuffixLength() internal view virtual returns (uint256) { return 0; } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.0.0) (utils/cryptography/ECDSA.sol) pragma solidity ^0.8.20; /** * @dev Elliptic Curve Digital Signature Algorithm (ECDSA) operations. * * These functions can be used to verify that a message was signed by the holder * of the private keys of a given address. */ library ECDSA { enum RecoverError { NoError, InvalidSignature, InvalidSignatureLength, InvalidSignatureS } /** * @dev The signature derives the `address(0)`. */ error ECDSAInvalidSignature(); /** * @dev The signature has an invalid length. */ error ECDSAInvalidSignatureLength(uint256 length); /** * @dev The signature has an S value that is in the upper half order. */ error ECDSAInvalidSignatureS(bytes32 s); /** * @dev Returns the address that signed a hashed message (`hash`) with `signature` or an error. This will not * return address(0) without also returning an error description. Errors are documented using an enum (error type) * and a bytes32 providing additional information about the error. * * If no error is returned, then the address can be used for verification purposes. * * The `ecrecover` EVM precompile allows for malleable (non-unique) signatures: * this function rejects them by requiring the `s` value to be in the lower * half order, and the `v` value to be either 27 or 28. * * IMPORTANT: `hash` _must_ be the result of a hash operation for the * verification to be secure: it is possible to craft signatures that * recover to arbitrary addresses for non-hashed data. A safe way to ensure * this is by receiving a hash of the original message (which may otherwise * be too long), and then calling {MessageHashUtils-toEthSignedMessageHash} on it. * * Documentation for signature generation: * - with https://web3js.readthedocs.io/en/v1.3.4/web3-eth-accounts.html#sign[Web3.js] * - with https://docs.ethers.io/v5/api/signer/#Signer-signMessage[ethers] */ function tryRecover(bytes32 hash, bytes memory signature) internal pure returns (address, RecoverError, bytes32) { if (signature.length == 65) { bytes32 r; bytes32 s; uint8 v; // ecrecover takes the signature parameters, and the only way to get them // currently is to use assembly. /// @solidity memory-safe-assembly assembly { r := mload(add(signature, 0x20)) s := mload(add(signature, 0x40)) v := byte(0, mload(add(signature, 0x60))) } return tryRecover(hash, v, r, s); } else { return (address(0), RecoverError.InvalidSignatureLength, bytes32(signature.length)); } } /** * @dev Returns the address that signed a hashed message (`hash`) with * `signature`. This address can then be used for verification purposes. * * The `ecrecover` EVM precompile allows for malleable (non-unique) signatures: * this function rejects them by requiring the `s` value to be in the lower * half order, and the `v` value to be either 27 or 28. * * IMPORTANT: `hash` _must_ be the result of a hash operation for the * verification to be secure: it is possible to craft signatures that * recover to arbitrary addresses for non-hashed data. A safe way to ensure * this is by receiving a hash of the original message (which may otherwise * be too long), and then calling {MessageHashUtils-toEthSignedMessageHash} on it. */ function recover(bytes32 hash, bytes memory signature) internal pure returns (address) { (address recovered, RecoverError error, bytes32 errorArg) = tryRecover(hash, signature); _throwError(error, errorArg); return recovered; } /** * @dev Overload of {ECDSA-tryRecover} that receives the `r` and `vs` short-signature fields separately. * * See https://eips.ethereum.org/EIPS/eip-2098[EIP-2098 short signatures] */ function tryRecover(bytes32 hash, bytes32 r, bytes32 vs) internal pure returns (address, RecoverError, bytes32) { unchecked { bytes32 s = vs & bytes32(0x7fffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff); // We do not check for an overflow here since the shift operation results in 0 or 1. uint8 v = uint8((uint256(vs) >> 255) + 27); return tryRecover(hash, v, r, s); } } /** * @dev Overload of {ECDSA-recover} that receives the `r and `vs` short-signature fields separately. */ function recover(bytes32 hash, bytes32 r, bytes32 vs) internal pure returns (address) { (address recovered, RecoverError error, bytes32 errorArg) = tryRecover(hash, r, vs); _throwError(error, errorArg); return recovered; } /** * @dev Overload of {ECDSA-tryRecover} that receives the `v`, * `r` and `s` signature fields separately. */ function tryRecover( bytes32 hash, uint8 v, bytes32 r, bytes32 s ) internal pure returns (address, RecoverError, bytes32) { // EIP-2 still allows signature malleability for ecrecover(). Remove this possibility and make the signature // unique. Appendix F in the Ethereum Yellow paper (https://ethereum.github.io/yellowpaper/paper.pdf), defines // the valid range for s in (301): 0 < s < secp256k1n ÷ 2 + 1, and for v in (302): v ∈ {27, 28}. Most // signatures from current libraries generate a unique signature with an s-value in the lower half order. // // If your library generates malleable signatures, such as s-values in the upper range, calculate a new s-value // with 0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEBAAEDCE6AF48A03BBFD25E8CD0364141 - s1 and flip v from 27 to 28 or // vice versa. If your library also generates signatures with 0/1 for v instead 27/28, add 27 to v to accept // these malleable signatures as well. if (uint256(s) > 0x7FFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF5D576E7357A4501DDFE92F46681B20A0) { return (address(0), RecoverError.InvalidSignatureS, s); } // If the signature is valid (and not malleable), return the signer address address signer = ecrecover(hash, v, r, s); if (signer == address(0)) { return (address(0), RecoverError.InvalidSignature, bytes32(0)); } return (signer, RecoverError.NoError, bytes32(0)); } /** * @dev Overload of {ECDSA-recover} that receives the `v`, * `r` and `s` signature fields separately. */ function recover(bytes32 hash, uint8 v, bytes32 r, bytes32 s) internal pure returns (address) { (address recovered, RecoverError error, bytes32 errorArg) = tryRecover(hash, v, r, s); _throwError(error, errorArg); return recovered; } /** * @dev Optionally reverts with the corresponding custom error according to the `error` argument provided. */ function _throwError(RecoverError error, bytes32 errorArg) private pure { if (error == RecoverError.NoError) { return; // no error: do nothing } else if (error == RecoverError.InvalidSignature) { revert ECDSAInvalidSignature(); } else if (error == RecoverError.InvalidSignatureLength) { revert ECDSAInvalidSignatureLength(uint256(errorArg)); } else if (error == RecoverError.InvalidSignatureS) { revert ECDSAInvalidSignatureS(errorArg); } } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.0.0) (utils/cryptography/EIP712.sol) pragma solidity ^0.8.20; import {MessageHashUtils} from "./MessageHashUtils.sol"; import {ShortStrings, ShortString} from "../ShortStrings.sol"; import {IERC5267} from "../../interfaces/IERC5267.sol"; /** * @dev https://eips.ethereum.org/EIPS/eip-712[EIP 712] is a standard for hashing and signing of typed structured data. * * The encoding scheme specified in the EIP requires a domain separator and a hash of the typed structured data, whose * encoding is very generic and therefore its implementation in Solidity is not feasible, thus this contract * does not implement the encoding itself. Protocols need to implement the type-specific encoding they need in order to * produce the hash of their typed data using a combination of `abi.encode` and `keccak256`. * * This contract implements the EIP 712 domain separator ({_domainSeparatorV4}) that is used as part of the encoding * scheme, and the final step of the encoding to obtain the message digest that is then signed via ECDSA * ({_hashTypedDataV4}). * * The implementation of the domain separator was designed to be as efficient as possible while still properly updating * the chain id to protect against replay attacks on an eventual fork of the chain. * * NOTE: This contract implements the version of the encoding known as "v4", as implemented by the JSON RPC method * https://docs.metamask.io/guide/signing-data.html[`eth_signTypedDataV4` in MetaMask]. * * NOTE: In the upgradeable version of this contract, the cached values will correspond to the address, and the domain * separator of the implementation contract. This will cause the {_domainSeparatorV4} function to always rebuild the * separator from the immutable values, which is cheaper than accessing a cached version in cold storage. * * @custom:oz-upgrades-unsafe-allow state-variable-immutable */ abstract contract EIP712 is IERC5267 { using ShortStrings for *; bytes32 private constant TYPE_HASH = keccak256("EIP712Domain(string name,string version,uint256 chainId,address verifyingContract)"); // Cache the domain separator as an immutable value, but also store the chain id that it corresponds to, in order to // invalidate the cached domain separator if the chain id changes. bytes32 private immutable _cachedDomainSeparator; uint256 private immutable _cachedChainId; address private immutable _cachedThis; bytes32 private immutable _hashedName; bytes32 private immutable _hashedVersion; ShortString private immutable _name; ShortString private immutable _version; string private _nameFallback; string private _versionFallback; /** * @dev Initializes the domain separator and parameter caches. * * The meaning of `name` and `version` is specified in * https://eips.ethereum.org/EIPS/eip-712#definition-of-domainseparator[EIP 712]: * * - `name`: the user readable name of the signing domain, i.e. the name of the DApp or the protocol. * - `version`: the current major version of the signing domain. * * NOTE: These parameters cannot be changed except through a xref:learn::upgrading-smart-contracts.adoc[smart * contract upgrade]. */ constructor(string memory name, string memory version) { _name = name.toShortStringWithFallback(_nameFallback); _version = version.toShortStringWithFallback(_versionFallback); _hashedName = keccak256(bytes(name)); _hashedVersion = keccak256(bytes(version)); _cachedChainId = block.chainid; _cachedDomainSeparator = _buildDomainSeparator(); _cachedThis = address(this); } /** * @dev Returns the domain separator for the current chain. */ function _domainSeparatorV4() internal view returns (bytes32) { if (address(this) == _cachedThis && block.chainid == _cachedChainId) { return _cachedDomainSeparator; } else { return _buildDomainSeparator(); } } function _buildDomainSeparator() private view returns (bytes32) { return keccak256(abi.encode(TYPE_HASH, _hashedName, _hashedVersion, block.chainid, address(this))); } /** * @dev Given an already https://eips.ethereum.org/EIPS/eip-712#definition-of-hashstruct[hashed struct], this * function returns the hash of the fully encoded EIP712 message for this domain. * * This hash can be used together with {ECDSA-recover} to obtain the signer of a message. For example: * * ```solidity * bytes32 digest = _hashTypedDataV4(keccak256(abi.encode( * keccak256("Mail(address to,string contents)"), * mailTo, * keccak256(bytes(mailContents)) * ))); * address signer = ECDSA.recover(digest, signature); * ``` */ function _hashTypedDataV4(bytes32 structHash) internal view virtual returns (bytes32) { return MessageHashUtils.toTypedDataHash(_domainSeparatorV4(), structHash); } /** * @dev See {IERC-5267}. */ function eip712Domain() public view virtual returns ( bytes1 fields, string memory name, string memory version, uint256 chainId, address verifyingContract, bytes32 salt, uint256[] memory extensions ) { return ( hex"0f", // 01111 _EIP712Name(), _EIP712Version(), block.chainid, address(this), bytes32(0), new uint256[](0) ); } /** * @dev The name parameter for the EIP712 domain. * * NOTE: By default this function reads _name which is an immutable value. * It only reads from storage if necessary (in case the value is too large to fit in a ShortString). */ // solhint-disable-next-line func-name-mixedcase function _EIP712Name() internal view returns (string memory) { return _name.toStringWithFallback(_nameFallback); } /** * @dev The version parameter for the EIP712 domain. * * NOTE: By default this function reads _version which is an immutable value. * It only reads from storage if necessary (in case the value is too large to fit in a ShortString). */ // solhint-disable-next-line func-name-mixedcase function _EIP712Version() internal view returns (string memory) { return _version.toStringWithFallback(_versionFallback); } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.0.0) (utils/cryptography/MessageHashUtils.sol) pragma solidity ^0.8.20; import {Strings} from "../Strings.sol"; /** * @dev Signature message hash utilities for producing digests to be consumed by {ECDSA} recovery or signing. * * The library provides methods for generating a hash of a message that conforms to the * https://eips.ethereum.org/EIPS/eip-191[EIP 191] and https://eips.ethereum.org/EIPS/eip-712[EIP 712] * specifications. */ library MessageHashUtils { /** * @dev Returns the keccak256 digest of an EIP-191 signed data with version * `0x45` (`personal_sign` messages). * * The digest is calculated by prefixing a bytes32 `messageHash` with * `"\x19Ethereum Signed Message:\n32"` and hashing the result. It corresponds with the * hash signed when using the https://eth.wiki/json-rpc/API#eth_sign[`eth_sign`] JSON-RPC method. * * NOTE: The `messageHash` parameter is intended to be the result of hashing a raw message with * keccak256, although any bytes32 value can be safely used because the final digest will * be re-hashed. * * See {ECDSA-recover}. */ function toEthSignedMessageHash(bytes32 messageHash) internal pure returns (bytes32 digest) { /// @solidity memory-safe-assembly assembly { mstore(0x00, "\x19Ethereum Signed Message:\n32") // 32 is the bytes-length of messageHash mstore(0x1c, messageHash) // 0x1c (28) is the length of the prefix digest := keccak256(0x00, 0x3c) // 0x3c is the length of the prefix (0x1c) + messageHash (0x20) } } /** * @dev Returns the keccak256 digest of an EIP-191 signed data with version * `0x45` (`personal_sign` messages). * * The digest is calculated by prefixing an arbitrary `message` with * `"\x19Ethereum Signed Message:\n" + len(message)` and hashing the result. It corresponds with the * hash signed when using the https://eth.wiki/json-rpc/API#eth_sign[`eth_sign`] JSON-RPC method. * * See {ECDSA-recover}. */ function toEthSignedMessageHash(bytes memory message) internal pure returns (bytes32) { return keccak256(bytes.concat("\x19Ethereum Signed Message:\n", bytes(Strings.toString(message.length)), message)); } /** * @dev Returns the keccak256 digest of an EIP-191 signed data with version * `0x00` (data with intended validator). * * The digest is calculated by prefixing an arbitrary `data` with `"\x19\x00"` and the intended * `validator` address. Then hashing the result. * * See {ECDSA-recover}. */ function toDataWithIntendedValidatorHash(address validator, bytes memory data) internal pure returns (bytes32) { return keccak256(abi.encodePacked(hex"19_00", validator, data)); } /** * @dev Returns the keccak256 digest of an EIP-712 typed data (EIP-191 version `0x01`). * * The digest is calculated from a `domainSeparator` and a `structHash`, by prefixing them with * `\x19\x01` and hashing the result. It corresponds to the hash signed by the * https://eips.ethereum.org/EIPS/eip-712[`eth_signTypedData`] JSON-RPC method as part of EIP-712. * * See {ECDSA-recover}. */ function toTypedDataHash(bytes32 domainSeparator, bytes32 structHash) internal pure returns (bytes32 digest) { /// @solidity memory-safe-assembly assembly { let ptr := mload(0x40) mstore(ptr, hex"19_01") mstore(add(ptr, 0x02), domainSeparator) mstore(add(ptr, 0x22), structHash) digest := keccak256(ptr, 0x42) } } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.0.0) (utils/math/Math.sol) pragma solidity ^0.8.20; /** * @dev Standard math utilities missing in the Solidity language. */ library Math { /** * @dev Muldiv operation overflow. */ error MathOverflowedMulDiv(); enum Rounding { Floor, // Toward negative infinity Ceil, // Toward positive infinity Trunc, // Toward zero Expand // Away from zero } /** * @dev Returns the addition of two unsigned integers, with an overflow flag. */ function tryAdd(uint256 a, uint256 b) internal pure returns (bool, uint256) { unchecked { uint256 c = a + b; if (c < a) return (false, 0); return (true, c); } } /** * @dev Returns the subtraction of two unsigned integers, with an overflow flag. */ function trySub(uint256 a, uint256 b) internal pure returns (bool, uint256) { unchecked { if (b > a) return (false, 0); return (true, a - b); } } /** * @dev Returns the multiplication of two unsigned integers, with an overflow flag. */ function tryMul(uint256 a, uint256 b) internal pure returns (bool, uint256) { unchecked { // Gas optimization: this is cheaper than requiring 'a' not being zero, but the // benefit is lost if 'b' is also tested. // See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522 if (a == 0) return (true, 0); uint256 c = a * b; if (c / a != b) return (false, 0); return (true, c); } } /** * @dev Returns the division of two unsigned integers, with a division by zero flag. */ function tryDiv(uint256 a, uint256 b) internal pure returns (bool, uint256) { unchecked { if (b == 0) return (false, 0); return (true, a / b); } } /** * @dev Returns the remainder of dividing two unsigned integers, with a division by zero flag. */ function tryMod(uint256 a, uint256 b) internal pure returns (bool, uint256) { unchecked { if (b == 0) return (false, 0); return (true, a % b); } } /** * @dev Returns the largest of two numbers. */ function max(uint256 a, uint256 b) internal pure returns (uint256) { return a > b ? a : b; } /** * @dev Returns the smallest of two numbers. */ function min(uint256 a, uint256 b) internal pure returns (uint256) { return a < b ? a : b; } /** * @dev Returns the average of two numbers. The result is rounded towards * zero. */ function average(uint256 a, uint256 b) internal pure returns (uint256) { // (a + b) / 2 can overflow. return (a & b) + (a ^ b) / 2; } /** * @dev Returns the ceiling of the division of two numbers. * * This differs from standard division with `/` in that it rounds towards infinity instead * of rounding towards zero. */ function ceilDiv(uint256 a, uint256 b) internal pure returns (uint256) { if (b == 0) { // Guarantee the same behavior as in a regular Solidity division. return a / b; } // (a + b - 1) / b can overflow on addition, so we distribute. return a == 0 ? 0 : (a - 1) / b + 1; } /** * @notice Calculates floor(x * y / denominator) with full precision. Throws if result overflows a uint256 or * denominator == 0. * @dev Original credit to Remco Bloemen under MIT license (https://xn--2-umb.com/21/muldiv) with further edits by * Uniswap Labs also under MIT license. */ function mulDiv(uint256 x, uint256 y, uint256 denominator) internal pure returns (uint256 result) { unchecked { // 512-bit multiply [prod1 prod0] = x * y. Compute the product mod 2^256 and mod 2^256 - 1, then use // use the Chinese Remainder Theorem to reconstruct the 512 bit result. The result is stored in two 256 // variables such that product = prod1 * 2^256 + prod0. uint256 prod0 = x * y; // Least significant 256 bits of the product uint256 prod1; // Most significant 256 bits of the product assembly { let mm := mulmod(x, y, not(0)) prod1 := sub(sub(mm, prod0), lt(mm, prod0)) } // Handle non-overflow cases, 256 by 256 division. if (prod1 == 0) { // Solidity will revert if denominator == 0, unlike the div opcode on its own. // The surrounding unchecked block does not change this fact. // See https://docs.soliditylang.org/en/latest/control-structures.html#checked-or-unchecked-arithmetic. return prod0 / denominator; } // Make sure the result is less than 2^256. Also prevents denominator == 0. if (denominator <= prod1) { revert MathOverflowedMulDiv(); } /////////////////////////////////////////////// // 512 by 256 division. /////////////////////////////////////////////// // Make division exact by subtracting the remainder from [prod1 prod0]. uint256 remainder; assembly { // Compute remainder using mulmod. remainder := mulmod(x, y, denominator) // Subtract 256 bit number from 512 bit number. prod1 := sub(prod1, gt(remainder, prod0)) prod0 := sub(prod0, remainder) } // Factor powers of two out of denominator and compute largest power of two divisor of denominator. // Always >= 1. See https://cs.stackexchange.com/q/138556/92363. uint256 twos = denominator & (0 - denominator); assembly { // Divide denominator by twos. denominator := div(denominator, twos) // Divide [prod1 prod0] by twos. prod0 := div(prod0, twos) // Flip twos such that it is 2^256 / twos. If twos is zero, then it becomes one. twos := add(div(sub(0, twos), twos), 1) } // Shift in bits from prod1 into prod0. prod0 |= prod1 * twos; // Invert denominator mod 2^256. Now that denominator is an odd number, it has an inverse modulo 2^256 such // that denominator * inv = 1 mod 2^256. Compute the inverse by starting with a seed that is correct for // four bits. That is, denominator * inv = 1 mod 2^4. uint256 inverse = (3 * denominator) ^ 2; // Use the Newton-Raphson iteration to improve the precision. Thanks to Hensel's lifting lemma, this also // works in modular arithmetic, doubling the correct bits in each step. inverse *= 2 - denominator * inverse; // inverse mod 2^8 inverse *= 2 - denominator * inverse; // inverse mod 2^16 inverse *= 2 - denominator * inverse; // inverse mod 2^32 inverse *= 2 - denominator * inverse; // inverse mod 2^64 inverse *= 2 - denominator * inverse; // inverse mod 2^128 inverse *= 2 - denominator * inverse; // inverse mod 2^256 // Because the division is now exact we can divide by multiplying with the modular inverse of denominator. // This will give us the correct result modulo 2^256. Since the preconditions guarantee that the outcome is // less than 2^256, this is the final result. We don't need to compute the high bits of the result and prod1 // is no longer required. result = prod0 * inverse; return result; } } /** * @notice Calculates x * y / denominator with full precision, following the selected rounding direction. */ function mulDiv(uint256 x, uint256 y, uint256 denominator, Rounding rounding) internal pure returns (uint256) { uint256 result = mulDiv(x, y, denominator); if (unsignedRoundsUp(rounding) && mulmod(x, y, denominator) > 0) { result += 1; } return result; } /** * @dev Returns the square root of a number. If the number is not a perfect square, the value is rounded * towards zero. * * Inspired by Henry S. Warren, Jr.'s "Hacker's Delight" (Chapter 11). */ function sqrt(uint256 a) internal pure returns (uint256) { if (a == 0) { return 0; } // For our first guess, we get the biggest power of 2 which is smaller than the square root of the target. // // We know that the "msb" (most significant bit) of our target number `a` is a power of 2 such that we have // `msb(a) <= a < 2*msb(a)`. This value can be written `msb(a)=2**k` with `k=log2(a)`. // // This can be rewritten `2**log2(a) <= a < 2**(log2(a) + 1)` // → `sqrt(2**k) <= sqrt(a) < sqrt(2**(k+1))` // → `2**(k/2) <= sqrt(a) < 2**((k+1)/2) <= 2**(k/2 + 1)` // // Consequently, `2**(log2(a) / 2)` is a good first approximation of `sqrt(a)` with at least 1 correct bit. uint256 result = 1 << (log2(a) >> 1); // At this point `result` is an estimation with one bit of precision. We know the true value is a uint128, // since it is the square root of a uint256. Newton's method converges quadratically (precision doubles at // every iteration). We thus need at most 7 iteration to turn our partial result with one bit of precision // into the expected uint128 result. unchecked { result = (result + a / result) >> 1; result = (result + a / result) >> 1; result = (result + a / result) >> 1; result = (result + a / result) >> 1; result = (result + a / result) >> 1; result = (result + a / result) >> 1; result = (result + a / result) >> 1; return min(result, a / result); } } /** * @notice Calculates sqrt(a), following the selected rounding direction. */ function sqrt(uint256 a, Rounding rounding) internal pure returns (uint256) { unchecked { uint256 result = sqrt(a); return result + (unsignedRoundsUp(rounding) && result * result < a ? 1 : 0); } } /** * @dev Return the log in base 2 of a positive value rounded towards zero. * Returns 0 if given 0. */ function log2(uint256 value) internal pure returns (uint256) { uint256 result = 0; unchecked { if (value >> 128 > 0) { value >>= 128; result += 128; } if (value >> 64 > 0) { value >>= 64; result += 64; } if (value >> 32 > 0) { value >>= 32; result += 32; } if (value >> 16 > 0) { value >>= 16; result += 16; } if (value >> 8 > 0) { value >>= 8; result += 8; } if (value >> 4 > 0) { value >>= 4; result += 4; } if (value >> 2 > 0) { value >>= 2; result += 2; } if (value >> 1 > 0) { result += 1; } } return result; } /** * @dev Return the log in base 2, following the selected rounding direction, of a positive value. * Returns 0 if given 0. */ function log2(uint256 value, Rounding rounding) internal pure returns (uint256) { unchecked { uint256 result = log2(value); return result + (unsignedRoundsUp(rounding) && 1 << result < value ? 1 : 0); } } /** * @dev Return the log in base 10 of a positive value rounded towards zero. * Returns 0 if given 0. */ function log10(uint256 value) internal pure returns (uint256) { uint256 result = 0; unchecked { if (value >= 10 ** 64) { value /= 10 ** 64; result += 64; } if (value >= 10 ** 32) { value /= 10 ** 32; result += 32; } if (value >= 10 ** 16) { value /= 10 ** 16; result += 16; } if (value >= 10 ** 8) { value /= 10 ** 8; result += 8; } if (value >= 10 ** 4) { value /= 10 ** 4; result += 4; } if (value >= 10 ** 2) { value /= 10 ** 2; result += 2; } if (value >= 10 ** 1) { result += 1; } } return result; } /** * @dev Return the log in base 10, following the selected rounding direction, of a positive value. * Returns 0 if given 0. */ function log10(uint256 value, Rounding rounding) internal pure returns (uint256) { unchecked { uint256 result = log10(value); return result + (unsignedRoundsUp(rounding) && 10 ** result < value ? 1 : 0); } } /** * @dev Return the log in base 256 of a positive value rounded towards zero. * Returns 0 if given 0. * * Adding one to the result gives the number of pairs of hex symbols needed to represent `value` as a hex string. */ function log256(uint256 value) internal pure returns (uint256) { uint256 result = 0; unchecked { if (value >> 128 > 0) { value >>= 128; result += 16; } if (value >> 64 > 0) { value >>= 64; result += 8; } if (value >> 32 > 0) { value >>= 32; result += 4; } if (value >> 16 > 0) { value >>= 16; result += 2; } if (value >> 8 > 0) { result += 1; } } return result; } /** * @dev Return the log in base 256, following the selected rounding direction, of a positive value. * Returns 0 if given 0. */ function log256(uint256 value, Rounding rounding) internal pure returns (uint256) { unchecked { uint256 result = log256(value); return result + (unsignedRoundsUp(rounding) && 1 << (result << 3) < value ? 1 : 0); } } /** * @dev Returns whether a provided rounding mode is considered rounding up for unsigned integers. */ function unsignedRoundsUp(Rounding rounding) internal pure returns (bool) { return uint8(rounding) % 2 == 1; } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.0.0) (utils/math/SafeCast.sol) // This file was procedurally generated from scripts/generate/templates/SafeCast.js. pragma solidity ^0.8.20; /** * @dev Wrappers over Solidity's uintXX/intXX casting operators with added overflow * checks. * * Downcasting from uint256/int256 in Solidity does not revert on overflow. This can * easily result in undesired exploitation or bugs, since developers usually * assume that overflows raise errors. `SafeCast` restores this intuition by * reverting the transaction when such an operation overflows. * * Using this library instead of the unchecked operations eliminates an entire * class of bugs, so it's recommended to use it always. */ library SafeCast { /** * @dev Value doesn't fit in an uint of `bits` size. */ error SafeCastOverflowedUintDowncast(uint8 bits, uint256 value); /** * @dev An int value doesn't fit in an uint of `bits` size. */ error SafeCastOverflowedIntToUint(int256 value); /** * @dev Value doesn't fit in an int of `bits` size. */ error SafeCastOverflowedIntDowncast(uint8 bits, int256 value); /** * @dev An uint value doesn't fit in an int of `bits` size. */ error SafeCastOverflowedUintToInt(uint256 value); /** * @dev Returns the downcasted uint248 from uint256, reverting on * overflow (when the input is greater than largest uint248). * * Counterpart to Solidity's `uint248` operator. * * Requirements: * * - input must fit into 248 bits */ function toUint248(uint256 value) internal pure returns (uint248) { if (value > type(uint248).max) { revert SafeCastOverflowedUintDowncast(248, value); } return uint248(value); } /** * @dev Returns the downcasted uint240 from uint256, reverting on * overflow (when the input is greater than largest uint240). * * Counterpart to Solidity's `uint240` operator. * * Requirements: * * - input must fit into 240 bits */ function toUint240(uint256 value) internal pure returns (uint240) { if (value > type(uint240).max) { revert SafeCastOverflowedUintDowncast(240, value); } return uint240(value); } /** * @dev Returns the downcasted uint232 from uint256, reverting on * overflow (when the input is greater than largest uint232). * * Counterpart to Solidity's `uint232` operator. * * Requirements: * * - input must fit into 232 bits */ function toUint232(uint256 value) internal pure returns (uint232) { if (value > type(uint232).max) { revert SafeCastOverflowedUintDowncast(232, value); } return uint232(value); } /** * @dev Returns the downcasted uint224 from uint256, reverting on * overflow (when the input is greater than largest uint224). * * Counterpart to Solidity's `uint224` operator. * * Requirements: * * - input must fit into 224 bits */ function toUint224(uint256 value) internal pure returns (uint224) { if (value > type(uint224).max) { revert SafeCastOverflowedUintDowncast(224, value); } return uint224(value); } /** * @dev Returns the downcasted uint216 from uint256, reverting on * overflow (when the input is greater than largest uint216). * * Counterpart to Solidity's `uint216` operator. * * Requirements: * * - input must fit into 216 bits */ function toUint216(uint256 value) internal pure returns (uint216) { if (value > type(uint216).max) { revert SafeCastOverflowedUintDowncast(216, value); } return uint216(value); } /** * @dev Returns the downcasted uint208 from uint256, reverting on * overflow (when the input is greater than largest uint208). * * Counterpart to Solidity's `uint208` operator. * * Requirements: * * - input must fit into 208 bits */ function toUint208(uint256 value) internal pure returns (uint208) { if (value > type(uint208).max) { revert SafeCastOverflowedUintDowncast(208, value); } return uint208(value); } /** * @dev Returns the downcasted uint200 from uint256, reverting on * overflow (when the input is greater than largest uint200). * * Counterpart to Solidity's `uint200` operator. * * Requirements: * * - input must fit into 200 bits */ function toUint200(uint256 value) internal pure returns (uint200) { if (value > type(uint200).max) { revert SafeCastOverflowedUintDowncast(200, value); } return uint200(value); } /** * @dev Returns the downcasted uint192 from uint256, reverting on * overflow (when the input is greater than largest uint192). * * Counterpart to Solidity's `uint192` operator. * * Requirements: * * - input must fit into 192 bits */ function toUint192(uint256 value) internal pure returns (uint192) { if (value > type(uint192).max) { revert SafeCastOverflowedUintDowncast(192, value); } return uint192(value); } /** * @dev Returns the downcasted uint184 from uint256, reverting on * overflow (when the input is greater than largest uint184). * * Counterpart to Solidity's `uint184` operator. * * Requirements: * * - input must fit into 184 bits */ function toUint184(uint256 value) internal pure returns (uint184) { if (value > type(uint184).max) { revert SafeCastOverflowedUintDowncast(184, value); } return uint184(value); } /** * @dev Returns the downcasted uint176 from uint256, reverting on * overflow (when the input is greater than largest uint176). * * Counterpart to Solidity's `uint176` operator. * * Requirements: * * - input must fit into 176 bits */ function toUint176(uint256 value) internal pure returns (uint176) { if (value > type(uint176).max) { revert SafeCastOverflowedUintDowncast(176, value); } return uint176(value); } /** * @dev Returns the downcasted uint168 from uint256, reverting on * overflow (when the input is greater than largest uint168). * * Counterpart to Solidity's `uint168` operator. * * Requirements: * * - input must fit into 168 bits */ function toUint168(uint256 value) internal pure returns (uint168) { if (value > type(uint168).max) { revert SafeCastOverflowedUintDowncast(168, value); } return uint168(value); } /** * @dev Returns the downcasted uint160 from uint256, reverting on * overflow (when the input is greater than largest uint160). * * Counterpart to Solidity's `uint160` operator. * * Requirements: * * - input must fit into 160 bits */ function toUint160(uint256 value) internal pure returns (uint160) { if (value > type(uint160).max) { revert SafeCastOverflowedUintDowncast(160, value); } return uint160(value); } /** * @dev Returns the downcasted uint152 from uint256, reverting on * overflow (when the input is greater than largest uint152). * * Counterpart to Solidity's `uint152` operator. * * Requirements: * * - input must fit into 152 bits */ function toUint152(uint256 value) internal pure returns (uint152) { if (value > type(uint152).max) { revert SafeCastOverflowedUintDowncast(152, value); } return uint152(value); } /** * @dev Returns the downcasted uint144 from uint256, reverting on * overflow (when the input is greater than largest uint144). * * Counterpart to Solidity's `uint144` operator. * * Requirements: * * - input must fit into 144 bits */ function toUint144(uint256 value) internal pure returns (uint144) { if (value > type(uint144).max) { revert SafeCastOverflowedUintDowncast(144, value); } return uint144(value); } /** * @dev Returns the downcasted uint136 from uint256, reverting on * overflow (when the input is greater than largest uint136). * * Counterpart to Solidity's `uint136` operator. * * Requirements: * * - input must fit into 136 bits */ function toUint136(uint256 value) internal pure returns (uint136) { if (value > type(uint136).max) { revert SafeCastOverflowedUintDowncast(136, value); } return uint136(value); } /** * @dev Returns the downcasted uint128 from uint256, reverting on * overflow (when the input is greater than largest uint128). * * Counterpart to Solidity's `uint128` operator. * * Requirements: * * - input must fit into 128 bits */ function toUint128(uint256 value) internal pure returns (uint128) { if (value > type(uint128).max) { revert SafeCastOverflowedUintDowncast(128, value); } return uint128(value); } /** * @dev Returns the downcasted uint120 from uint256, reverting on * overflow (when the input is greater than largest uint120). * * Counterpart to Solidity's `uint120` operator. * * Requirements: * * - input must fit into 120 bits */ function toUint120(uint256 value) internal pure returns (uint120) { if (value > type(uint120).max) { revert SafeCastOverflowedUintDowncast(120, value); } return uint120(value); } /** * @dev Returns the downcasted uint112 from uint256, reverting on * overflow (when the input is greater than largest uint112). * * Counterpart to Solidity's `uint112` operator. * * Requirements: * * - input must fit into 112 bits */ function toUint112(uint256 value) internal pure returns (uint112) { if (value > type(uint112).max) { revert SafeCastOverflowedUintDowncast(112, value); } return uint112(value); } /** * @dev Returns the downcasted uint104 from uint256, reverting on * overflow (when the input is greater than largest uint104). * * Counterpart to Solidity's `uint104` operator. * * Requirements: * * - input must fit into 104 bits */ function toUint104(uint256 value) internal pure returns (uint104) { if (value > type(uint104).max) { revert SafeCastOverflowedUintDowncast(104, value); } return uint104(value); } /** * @dev Returns the downcasted uint96 from uint256, reverting on * overflow (when the input is greater than largest uint96). * * Counterpart to Solidity's `uint96` operator. * * Requirements: * * - input must fit into 96 bits */ function toUint96(uint256 value) internal pure returns (uint96) { if (value > type(uint96).max) { revert SafeCastOverflowedUintDowncast(96, value); } return uint96(value); } /** * @dev Returns the downcasted uint88 from uint256, reverting on * overflow (when the input is greater than largest uint88). * * Counterpart to Solidity's `uint88` operator. * * Requirements: * * - input must fit into 88 bits */ function toUint88(uint256 value) internal pure returns (uint88) { if (value > type(uint88).max) { revert SafeCastOverflowedUintDowncast(88, value); } return uint88(value); } /** * @dev Returns the downcasted uint80 from uint256, reverting on * overflow (when the input is greater than largest uint80). * * Counterpart to Solidity's `uint80` operator. * * Requirements: * * - input must fit into 80 bits */ function toUint80(uint256 value) internal pure returns (uint80) { if (value > type(uint80).max) { revert SafeCastOverflowedUintDowncast(80, value); } return uint80(value); } /** * @dev Returns the downcasted uint72 from uint256, reverting on * overflow (when the input is greater than largest uint72). * * Counterpart to Solidity's `uint72` operator. * * Requirements: * * - input must fit into 72 bits */ function toUint72(uint256 value) internal pure returns (uint72) { if (value > type(uint72).max) { revert SafeCastOverflowedUintDowncast(72, value); } return uint72(value); } /** * @dev Returns the downcasted uint64 from uint256, reverting on * overflow (when the input is greater than largest uint64). * * Counterpart to Solidity's `uint64` operator. * * Requirements: * * - input must fit into 64 bits */ function toUint64(uint256 value) internal pure returns (uint64) { if (value > type(uint64).max) { revert SafeCastOverflowedUintDowncast(64, value); } return uint64(value); } /** * @dev Returns the downcasted uint56 from uint256, reverting on * overflow (when the input is greater than largest uint56). * * Counterpart to Solidity's `uint56` operator. * * Requirements: * * - input must fit into 56 bits */ function toUint56(uint256 value) internal pure returns (uint56) { if (value > type(uint56).max) { revert SafeCastOverflowedUintDowncast(56, value); } return uint56(value); } /** * @dev Returns the downcasted uint48 from uint256, reverting on * overflow (when the input is greater than largest uint48). * * Counterpart to Solidity's `uint48` operator. * * Requirements: * * - input must fit into 48 bits */ function toUint48(uint256 value) internal pure returns (uint48) { if (value > type(uint48).max) { revert SafeCastOverflowedUintDowncast(48, value); } return uint48(value); } /** * @dev Returns the downcasted uint40 from uint256, reverting on * overflow (when the input is greater than largest uint40). * * Counterpart to Solidity's `uint40` operator. * * Requirements: * * - input must fit into 40 bits */ function toUint40(uint256 value) internal pure returns (uint40) { if (value > type(uint40).max) { revert SafeCastOverflowedUintDowncast(40, value); } return uint40(value); } /** * @dev Returns the downcasted uint32 from uint256, reverting on * overflow (when the input is greater than largest uint32). * * Counterpart to Solidity's `uint32` operator. * * Requirements: * * - input must fit into 32 bits */ function toUint32(uint256 value) internal pure returns (uint32) { if (value > type(uint32).max) { revert SafeCastOverflowedUintDowncast(32, value); } return uint32(value); } /** * @dev Returns the downcasted uint24 from uint256, reverting on * overflow (when the input is greater than largest uint24). * * Counterpart to Solidity's `uint24` operator. * * Requirements: * * - input must fit into 24 bits */ function toUint24(uint256 value) internal pure returns (uint24) { if (value > type(uint24).max) { revert SafeCastOverflowedUintDowncast(24, value); } return uint24(value); } /** * @dev Returns the downcasted uint16 from uint256, reverting on * overflow (when the input is greater than largest uint16). * * Counterpart to Solidity's `uint16` operator. * * Requirements: * * - input must fit into 16 bits */ function toUint16(uint256 value) internal pure returns (uint16) { if (value > type(uint16).max) { revert SafeCastOverflowedUintDowncast(16, value); } return uint16(value); } /** * @dev Returns the downcasted uint8 from uint256, reverting on * overflow (when the input is greater than largest uint8). * * Counterpart to Solidity's `uint8` operator. * * Requirements: * * - input must fit into 8 bits */ function toUint8(uint256 value) internal pure returns (uint8) { if (value > type(uint8).max) { revert SafeCastOverflowedUintDowncast(8, value); } return uint8(value); } /** * @dev Converts a signed int256 into an unsigned uint256. * * Requirements: * * - input must be greater than or equal to 0. */ function toUint256(int256 value) internal pure returns (uint256) { if (value < 0) { revert SafeCastOverflowedIntToUint(value); } return uint256(value); } /** * @dev Returns the downcasted int248 from int256, reverting on * overflow (when the input is less than smallest int248 or * greater than largest int248). * * Counterpart to Solidity's `int248` operator. * * Requirements: * * - input must fit into 248 bits */ function toInt248(int256 value) internal pure returns (int248 downcasted) { downcasted = int248(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(248, value); } } /** * @dev Returns the downcasted int240 from int256, reverting on * overflow (when the input is less than smallest int240 or * greater than largest int240). * * Counterpart to Solidity's `int240` operator. * * Requirements: * * - input must fit into 240 bits */ function toInt240(int256 value) internal pure returns (int240 downcasted) { downcasted = int240(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(240, value); } } /** * @dev Returns the downcasted int232 from int256, reverting on * overflow (when the input is less than smallest int232 or * greater than largest int232). * * Counterpart to Solidity's `int232` operator. * * Requirements: * * - input must fit into 232 bits */ function toInt232(int256 value) internal pure returns (int232 downcasted) { downcasted = int232(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(232, value); } } /** * @dev Returns the downcasted int224 from int256, reverting on * overflow (when the input is less than smallest int224 or * greater than largest int224). * * Counterpart to Solidity's `int224` operator. * * Requirements: * * - input must fit into 224 bits */ function toInt224(int256 value) internal pure returns (int224 downcasted) { downcasted = int224(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(224, value); } } /** * @dev Returns the downcasted int216 from int256, reverting on * overflow (when the input is less than smallest int216 or * greater than largest int216). * * Counterpart to Solidity's `int216` operator. * * Requirements: * * - input must fit into 216 bits */ function toInt216(int256 value) internal pure returns (int216 downcasted) { downcasted = int216(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(216, value); } } /** * @dev Returns the downcasted int208 from int256, reverting on * overflow (when the input is less than smallest int208 or * greater than largest int208). * * Counterpart to Solidity's `int208` operator. * * Requirements: * * - input must fit into 208 bits */ function toInt208(int256 value) internal pure returns (int208 downcasted) { downcasted = int208(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(208, value); } } /** * @dev Returns the downcasted int200 from int256, reverting on * overflow (when the input is less than smallest int200 or * greater than largest int200). * * Counterpart to Solidity's `int200` operator. * * Requirements: * * - input must fit into 200 bits */ function toInt200(int256 value) internal pure returns (int200 downcasted) { downcasted = int200(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(200, value); } } /** * @dev Returns the downcasted int192 from int256, reverting on * overflow (when the input is less than smallest int192 or * greater than largest int192). * * Counterpart to Solidity's `int192` operator. * * Requirements: * * - input must fit into 192 bits */ function toInt192(int256 value) internal pure returns (int192 downcasted) { downcasted = int192(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(192, value); } } /** * @dev Returns the downcasted int184 from int256, reverting on * overflow (when the input is less than smallest int184 or * greater than largest int184). * * Counterpart to Solidity's `int184` operator. * * Requirements: * * - input must fit into 184 bits */ function toInt184(int256 value) internal pure returns (int184 downcasted) { downcasted = int184(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(184, value); } } /** * @dev Returns the downcasted int176 from int256, reverting on * overflow (when the input is less than smallest int176 or * greater than largest int176). * * Counterpart to Solidity's `int176` operator. * * Requirements: * * - input must fit into 176 bits */ function toInt176(int256 value) internal pure returns (int176 downcasted) { downcasted = int176(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(176, value); } } /** * @dev Returns the downcasted int168 from int256, reverting on * overflow (when the input is less than smallest int168 or * greater than largest int168). * * Counterpart to Solidity's `int168` operator. * * Requirements: * * - input must fit into 168 bits */ function toInt168(int256 value) internal pure returns (int168 downcasted) { downcasted = int168(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(168, value); } } /** * @dev Returns the downcasted int160 from int256, reverting on * overflow (when the input is less than smallest int160 or * greater than largest int160). * * Counterpart to Solidity's `int160` operator. * * Requirements: * * - input must fit into 160 bits */ function toInt160(int256 value) internal pure returns (int160 downcasted) { downcasted = int160(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(160, value); } } /** * @dev Returns the downcasted int152 from int256, reverting on * overflow (when the input is less than smallest int152 or * greater than largest int152). * * Counterpart to Solidity's `int152` operator. * * Requirements: * * - input must fit into 152 bits */ function toInt152(int256 value) internal pure returns (int152 downcasted) { downcasted = int152(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(152, value); } } /** * @dev Returns the downcasted int144 from int256, reverting on * overflow (when the input is less than smallest int144 or * greater than largest int144). * * Counterpart to Solidity's `int144` operator. * * Requirements: * * - input must fit into 144 bits */ function toInt144(int256 value) internal pure returns (int144 downcasted) { downcasted = int144(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(144, value); } } /** * @dev Returns the downcasted int136 from int256, reverting on * overflow (when the input is less than smallest int136 or * greater than largest int136). * * Counterpart to Solidity's `int136` operator. * * Requirements: * * - input must fit into 136 bits */ function toInt136(int256 value) internal pure returns (int136 downcasted) { downcasted = int136(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(136, value); } } /** * @dev Returns the downcasted int128 from int256, reverting on * overflow (when the input is less than smallest int128 or * greater than largest int128). * * Counterpart to Solidity's `int128` operator. * * Requirements: * * - input must fit into 128 bits */ function toInt128(int256 value) internal pure returns (int128 downcasted) { downcasted = int128(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(128, value); } } /** * @dev Returns the downcasted int120 from int256, reverting on * overflow (when the input is less than smallest int120 or * greater than largest int120). * * Counterpart to Solidity's `int120` operator. * * Requirements: * * - input must fit into 120 bits */ function toInt120(int256 value) internal pure returns (int120 downcasted) { downcasted = int120(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(120, value); } } /** * @dev Returns the downcasted int112 from int256, reverting on * overflow (when the input is less than smallest int112 or * greater than largest int112). * * Counterpart to Solidity's `int112` operator. * * Requirements: * * - input must fit into 112 bits */ function toInt112(int256 value) internal pure returns (int112 downcasted) { downcasted = int112(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(112, value); } } /** * @dev Returns the downcasted int104 from int256, reverting on * overflow (when the input is less than smallest int104 or * greater than largest int104). * * Counterpart to Solidity's `int104` operator. * * Requirements: * * - input must fit into 104 bits */ function toInt104(int256 value) internal pure returns (int104 downcasted) { downcasted = int104(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(104, value); } } /** * @dev Returns the downcasted int96 from int256, reverting on * overflow (when the input is less than smallest int96 or * greater than largest int96). * * Counterpart to Solidity's `int96` operator. * * Requirements: * * - input must fit into 96 bits */ function toInt96(int256 value) internal pure returns (int96 downcasted) { downcasted = int96(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(96, value); } } /** * @dev Returns the downcasted int88 from int256, reverting on * overflow (when the input is less than smallest int88 or * greater than largest int88). * * Counterpart to Solidity's `int88` operator. * * Requirements: * * - input must fit into 88 bits */ function toInt88(int256 value) internal pure returns (int88 downcasted) { downcasted = int88(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(88, value); } } /** * @dev Returns the downcasted int80 from int256, reverting on * overflow (when the input is less than smallest int80 or * greater than largest int80). * * Counterpart to Solidity's `int80` operator. * * Requirements: * * - input must fit into 80 bits */ function toInt80(int256 value) internal pure returns (int80 downcasted) { downcasted = int80(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(80, value); } } /** * @dev Returns the downcasted int72 from int256, reverting on * overflow (when the input is less than smallest int72 or * greater than largest int72). * * Counterpart to Solidity's `int72` operator. * * Requirements: * * - input must fit into 72 bits */ function toInt72(int256 value) internal pure returns (int72 downcasted) { downcasted = int72(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(72, value); } } /** * @dev Returns the downcasted int64 from int256, reverting on * overflow (when the input is less than smallest int64 or * greater than largest int64). * * Counterpart to Solidity's `int64` operator. * * Requirements: * * - input must fit into 64 bits */ function toInt64(int256 value) internal pure returns (int64 downcasted) { downcasted = int64(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(64, value); } } /** * @dev Returns the downcasted int56 from int256, reverting on * overflow (when the input is less than smallest int56 or * greater than largest int56). * * Counterpart to Solidity's `int56` operator. * * Requirements: * * - input must fit into 56 bits */ function toInt56(int256 value) internal pure returns (int56 downcasted) { downcasted = int56(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(56, value); } } /** * @dev Returns the downcasted int48 from int256, reverting on * overflow (when the input is less than smallest int48 or * greater than largest int48). * * Counterpart to Solidity's `int48` operator. * * Requirements: * * - input must fit into 48 bits */ function toInt48(int256 value) internal pure returns (int48 downcasted) { downcasted = int48(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(48, value); } } /** * @dev Returns the downcasted int40 from int256, reverting on * overflow (when the input is less than smallest int40 or * greater than largest int40). * * Counterpart to Solidity's `int40` operator. * * Requirements: * * - input must fit into 40 bits */ function toInt40(int256 value) internal pure returns (int40 downcasted) { downcasted = int40(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(40, value); } } /** * @dev Returns the downcasted int32 from int256, reverting on * overflow (when the input is less than smallest int32 or * greater than largest int32). * * Counterpart to Solidity's `int32` operator. * * Requirements: * * - input must fit into 32 bits */ function toInt32(int256 value) internal pure returns (int32 downcasted) { downcasted = int32(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(32, value); } } /** * @dev Returns the downcasted int24 from int256, reverting on * overflow (when the input is less than smallest int24 or * greater than largest int24). * * Counterpart to Solidity's `int24` operator. * * Requirements: * * - input must fit into 24 bits */ function toInt24(int256 value) internal pure returns (int24 downcasted) { downcasted = int24(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(24, value); } } /** * @dev Returns the downcasted int16 from int256, reverting on * overflow (when the input is less than smallest int16 or * greater than largest int16). * * Counterpart to Solidity's `int16` operator. * * Requirements: * * - input must fit into 16 bits */ function toInt16(int256 value) internal pure returns (int16 downcasted) { downcasted = int16(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(16, value); } } /** * @dev Returns the downcasted int8 from int256, reverting on * overflow (when the input is less than smallest int8 or * greater than largest int8). * * Counterpart to Solidity's `int8` operator. * * Requirements: * * - input must fit into 8 bits */ function toInt8(int256 value) internal pure returns (int8 downcasted) { downcasted = int8(value); if (downcasted != value) { revert SafeCastOverflowedIntDowncast(8, value); } } /** * @dev Converts an unsigned uint256 into a signed int256. * * Requirements: * * - input must be less than or equal to maxInt256. */ function toInt256(uint256 value) internal pure returns (int256) { // Note: Unsafe cast below is okay because `type(int256).max` is guaranteed to be positive if (value > uint256(type(int256).max)) { revert SafeCastOverflowedUintToInt(value); } return int256(value); } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.0.0) (utils/math/SignedMath.sol) pragma solidity ^0.8.20; /** * @dev Standard signed math utilities missing in the Solidity language. */ library SignedMath { /** * @dev Returns the largest of two signed numbers. */ function max(int256 a, int256 b) internal pure returns (int256) { return a > b ? a : b; } /** * @dev Returns the smallest of two signed numbers. */ function min(int256 a, int256 b) internal pure returns (int256) { return a < b ? a : b; } /** * @dev Returns the average of two signed numbers without overflow. * The result is rounded towards zero. */ function average(int256 a, int256 b) internal pure returns (int256) { // Formula from the book "Hacker's Delight" int256 x = (a & b) + ((a ^ b) >> 1); return x + (int256(uint256(x) >> 255) & (a ^ b)); } /** * @dev Returns the absolute unsigned value of a signed value. */ function abs(int256 n) internal pure returns (uint256) { unchecked { // must be unchecked in order to support `n = type(int256).min` return uint256(n >= 0 ? n : -n); } } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.0.0) (utils/Nonces.sol) pragma solidity ^0.8.20; /** * @dev Provides tracking nonces for addresses. Nonces will only increment. */ abstract contract Nonces { /** * @dev The nonce used for an `account` is not the expected current nonce. */ error InvalidAccountNonce(address account, uint256 currentNonce); mapping(address account => uint256) private _nonces; /** * @dev Returns the next unused nonce for an address. */ function nonces(address owner) public view virtual returns (uint256) { return _nonces[owner]; } /** * @dev Consumes a nonce. * * Returns the current value and increments nonce. */ function _useNonce(address owner) internal virtual returns (uint256) { // For each account, the nonce has an initial value of 0, can only be incremented by one, and cannot be // decremented or reset. This guarantees that the nonce never overflows. unchecked { // It is important to do x++ and not ++x here. return _nonces[owner]++; } } /** * @dev Same as {_useNonce} but checking that `nonce` is the next valid for `owner`. */ function _useCheckedNonce(address owner, uint256 nonce) internal virtual { uint256 current = _useNonce(owner); if (nonce != current) { revert InvalidAccountNonce(owner, current); } } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.0.0) (utils/ShortStrings.sol) pragma solidity ^0.8.20; import {StorageSlot} from "./StorageSlot.sol"; // | string | 0xAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA | // | length | 0x BB | type ShortString is bytes32; /** * @dev This library provides functions to convert short memory strings * into a `ShortString` type that can be used as an immutable variable. * * Strings of arbitrary length can be optimized using this library if * they are short enough (up to 31 bytes) by packing them with their * length (1 byte) in a single EVM word (32 bytes). Additionally, a * fallback mechanism can be used for every other case. * * Usage example: * * ```solidity * contract Named { * using ShortStrings for *; * * ShortString private immutable _name; * string private _nameFallback; * * constructor(string memory contractName) { * _name = contractName.toShortStringWithFallback(_nameFallback); * } * * function name() external view returns (string memory) { * return _name.toStringWithFallback(_nameFallback); * } * } * ``` */ library ShortStrings { // Used as an identifier for strings longer than 31 bytes. bytes32 private constant FALLBACK_SENTINEL = 0x00000000000000000000000000000000000000000000000000000000000000FF; error StringTooLong(string str); error InvalidShortString(); /** * @dev Encode a string of at most 31 chars into a `ShortString`. * * This will trigger a `StringTooLong` error is the input string is too long. */ function toShortString(string memory str) internal pure returns (ShortString) { bytes memory bstr = bytes(str); if (bstr.length > 31) { revert StringTooLong(str); } return ShortString.wrap(bytes32(uint256(bytes32(bstr)) | bstr.length)); } /** * @dev Decode a `ShortString` back to a "normal" string. */ function toString(ShortString sstr) internal pure returns (string memory) { uint256 len = byteLength(sstr); // using `new string(len)` would work locally but is not memory safe. string memory str = new string(32); /// @solidity memory-safe-assembly assembly { mstore(str, len) mstore(add(str, 0x20), sstr) } return str; } /** * @dev Return the length of a `ShortString`. */ function byteLength(ShortString sstr) internal pure returns (uint256) { uint256 result = uint256(ShortString.unwrap(sstr)) & 0xFF; if (result > 31) { revert InvalidShortString(); } return result; } /** * @dev Encode a string into a `ShortString`, or write it to storage if it is too long. */ function toShortStringWithFallback(string memory value, string storage store) internal returns (ShortString) { if (bytes(value).length < 32) { return toShortString(value); } else { StorageSlot.getStringSlot(store).value = value; return ShortString.wrap(FALLBACK_SENTINEL); } } /** * @dev Decode a string that was encoded to `ShortString` or written to storage using {setWithFallback}. */ function toStringWithFallback(ShortString value, string storage store) internal pure returns (string memory) { if (ShortString.unwrap(value) != FALLBACK_SENTINEL) { return toString(value); } else { return store; } } /** * @dev Return the length of a string that was encoded to `ShortString` or written to storage using * {setWithFallback}. * * WARNING: This will return the "byte length" of the string. This may not reflect the actual length in terms of * actual characters as the UTF-8 encoding of a single character can span over multiple bytes. */ function byteLengthWithFallback(ShortString value, string storage store) internal view returns (uint256) { if (ShortString.unwrap(value) != FALLBACK_SENTINEL) { return byteLength(value); } else { return bytes(store).length; } } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.0.0) (utils/StorageSlot.sol) // This file was procedurally generated from scripts/generate/templates/StorageSlot.js. pragma solidity ^0.8.20; /** * @dev Library for reading and writing primitive types to specific storage slots. * * Storage slots are often used to avoid storage conflict when dealing with upgradeable contracts. * This library helps with reading and writing to such slots without the need for inline assembly. * * The functions in this library return Slot structs that contain a `value` member that can be used to read or write. * * Example usage to set ERC1967 implementation slot: * ```solidity * contract ERC1967 { * bytes32 internal constant _IMPLEMENTATION_SLOT = 0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc; * * function _getImplementation() internal view returns (address) { * return StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value; * } * * function _setImplementation(address newImplementation) internal { * require(newImplementation.code.length > 0); * StorageSlot.getAddressSlot(_IMPLEMENTATION_SLOT).value = newImplementation; * } * } * ``` */ library StorageSlot { struct AddressSlot { address value; } struct BooleanSlot { bool value; } struct Bytes32Slot { bytes32 value; } struct Uint256Slot { uint256 value; } struct StringSlot { string value; } struct BytesSlot { bytes value; } /** * @dev Returns an `AddressSlot` with member `value` located at `slot`. */ function getAddressSlot(bytes32 slot) internal pure returns (AddressSlot storage r) { /// @solidity memory-safe-assembly assembly { r.slot := slot } } /** * @dev Returns an `BooleanSlot` with member `value` located at `slot`. */ function getBooleanSlot(bytes32 slot) internal pure returns (BooleanSlot storage r) { /// @solidity memory-safe-assembly assembly { r.slot := slot } } /** * @dev Returns an `Bytes32Slot` with member `value` located at `slot`. */ function getBytes32Slot(bytes32 slot) internal pure returns (Bytes32Slot storage r) { /// @solidity memory-safe-assembly assembly { r.slot := slot } } /** * @dev Returns an `Uint256Slot` with member `value` located at `slot`. */ function getUint256Slot(bytes32 slot) internal pure returns (Uint256Slot storage r) { /// @solidity memory-safe-assembly assembly { r.slot := slot } } /** * @dev Returns an `StringSlot` with member `value` located at `slot`. */ function getStringSlot(bytes32 slot) internal pure returns (StringSlot storage r) { /// @solidity memory-safe-assembly assembly { r.slot := slot } } /** * @dev Returns an `StringSlot` representation of the string storage pointer `store`. */ function getStringSlot(string storage store) internal pure returns (StringSlot storage r) { /// @solidity memory-safe-assembly assembly { r.slot := store.slot } } /** * @dev Returns an `BytesSlot` with member `value` located at `slot`. */ function getBytesSlot(bytes32 slot) internal pure returns (BytesSlot storage r) { /// @solidity memory-safe-assembly assembly { r.slot := slot } } /** * @dev Returns an `BytesSlot` representation of the bytes storage pointer `store`. */ function getBytesSlot(bytes storage store) internal pure returns (BytesSlot storage r) { /// @solidity memory-safe-assembly assembly { r.slot := store.slot } } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.0.0) (utils/Strings.sol) pragma solidity ^0.8.20; import {Math} from "./math/Math.sol"; import {SignedMath} from "./math/SignedMath.sol"; /** * @dev String operations. */ library Strings { bytes16 private constant HEX_DIGITS = "0123456789abcdef"; uint8 private constant ADDRESS_LENGTH = 20; /** * @dev The `value` string doesn't fit in the specified `length`. */ error StringsInsufficientHexLength(uint256 value, uint256 length); /** * @dev Converts a `uint256` to its ASCII `string` decimal representation. */ function toString(uint256 value) internal pure returns (string memory) { unchecked { uint256 length = Math.log10(value) + 1; string memory buffer = new string(length); uint256 ptr; /// @solidity memory-safe-assembly assembly { ptr := add(buffer, add(32, length)) } while (true) { ptr--; /// @solidity memory-safe-assembly assembly { mstore8(ptr, byte(mod(value, 10), HEX_DIGITS)) } value /= 10; if (value == 0) break; } return buffer; } } /** * @dev Converts a `int256` to its ASCII `string` decimal representation. */ function toStringSigned(int256 value) internal pure returns (string memory) { return string.concat(value < 0 ? "-" : "", toString(SignedMath.abs(value))); } /** * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation. */ function toHexString(uint256 value) internal pure returns (string memory) { unchecked { return toHexString(value, Math.log256(value) + 1); } } /** * @dev Converts a `uint256` to its ASCII `string` hexadecimal representation with fixed length. */ function toHexString(uint256 value, uint256 length) internal pure returns (string memory) { uint256 localValue = value; bytes memory buffer = new bytes(2 * length + 2); buffer[0] = "0"; buffer[1] = "x"; for (uint256 i = 2 * length + 1; i > 1; --i) { buffer[i] = HEX_DIGITS[localValue & 0xf]; localValue >>= 4; } if (localValue != 0) { revert StringsInsufficientHexLength(value, length); } return string(buffer); } /** * @dev Converts an `address` with fixed length of 20 bytes to its not checksummed ASCII `string` hexadecimal * representation. */ function toHexString(address addr) internal pure returns (string memory) { return toHexString(uint256(uint160(addr)), ADDRESS_LENGTH); } /** * @dev Returns true if the two strings are equal. */ function equal(string memory a, string memory b) internal pure returns (bool) { return bytes(a).length == bytes(b).length && keccak256(bytes(a)) == keccak256(bytes(b)); } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.0.0) (utils/structs/Checkpoints.sol) // This file was procedurally generated from scripts/generate/templates/Checkpoints.js. pragma solidity ^0.8.20; import {Math} from "../math/Math.sol"; /** * @dev This library defines the `Trace*` struct, for checkpointing values as they change at different points in * time, and later looking up past values by block number. See {Votes} as an example. * * To create a history of checkpoints define a variable type `Checkpoints.Trace*` in your contract, and store a new * checkpoint for the current transaction block using the {push} function. */ library Checkpoints { /** * @dev A value was attempted to be inserted on a past checkpoint. */ error CheckpointUnorderedInsertion(); struct Trace224 { Checkpoint224[] _checkpoints; } struct Checkpoint224 { uint32 _key; uint224 _value; } /** * @dev Pushes a (`key`, `value`) pair into a Trace224 so that it is stored as the checkpoint. * * Returns previous value and new value. * * IMPORTANT: Never accept `key` as a user input, since an arbitrary `type(uint32).max` key set will disable the * library. */ function push(Trace224 storage self, uint32 key, uint224 value) internal returns (uint224, uint224) { return _insert(self._checkpoints, key, value); } /** * @dev Returns the value in the first (oldest) checkpoint with key greater or equal than the search key, or zero if * there is none. */ function lowerLookup(Trace224 storage self, uint32 key) internal view returns (uint224) { uint256 len = self._checkpoints.length; uint256 pos = _lowerBinaryLookup(self._checkpoints, key, 0, len); return pos == len ? 0 : _unsafeAccess(self._checkpoints, pos)._value; } /** * @dev Returns the value in the last (most recent) checkpoint with key lower or equal than the search key, or zero * if there is none. */ function upperLookup(Trace224 storage self, uint32 key) internal view returns (uint224) { uint256 len = self._checkpoints.length; uint256 pos = _upperBinaryLookup(self._checkpoints, key, 0, len); return pos == 0 ? 0 : _unsafeAccess(self._checkpoints, pos - 1)._value; } /** * @dev Returns the value in the last (most recent) checkpoint with key lower or equal than the search key, or zero * if there is none. * * NOTE: This is a variant of {upperLookup} that is optimised to find "recent" checkpoint (checkpoints with high * keys). */ function upperLookupRecent(Trace224 storage self, uint32 key) internal view returns (uint224) { uint256 len = self._checkpoints.length; uint256 low = 0; uint256 high = len; if (len > 5) { uint256 mid = len - Math.sqrt(len); if (key < _unsafeAccess(self._checkpoints, mid)._key) { high = mid; } else { low = mid + 1; } } uint256 pos = _upperBinaryLookup(self._checkpoints, key, low, high); return pos == 0 ? 0 : _unsafeAccess(self._checkpoints, pos - 1)._value; } /** * @dev Returns the value in the most recent checkpoint, or zero if there are no checkpoints. */ function latest(Trace224 storage self) internal view returns (uint224) { uint256 pos = self._checkpoints.length; return pos == 0 ? 0 : _unsafeAccess(self._checkpoints, pos - 1)._value; } /** * @dev Returns whether there is a checkpoint in the structure (i.e. it is not empty), and if so the key and value * in the most recent checkpoint. */ function latestCheckpoint(Trace224 storage self) internal view returns (bool exists, uint32 _key, uint224 _value) { uint256 pos = self._checkpoints.length; if (pos == 0) { return (false, 0, 0); } else { Checkpoint224 memory ckpt = _unsafeAccess(self._checkpoints, pos - 1); return (true, ckpt._key, ckpt._value); } } /** * @dev Returns the number of checkpoint. */ function length(Trace224 storage self) internal view returns (uint256) { return self._checkpoints.length; } /** * @dev Returns checkpoint at given position. */ function at(Trace224 storage self, uint32 pos) internal view returns (Checkpoint224 memory) { return self._checkpoints[pos]; } /** * @dev Pushes a (`key`, `value`) pair into an ordered list of checkpoints, either by inserting a new checkpoint, * or by updating the last one. */ function _insert(Checkpoint224[] storage self, uint32 key, uint224 value) private returns (uint224, uint224) { uint256 pos = self.length; if (pos > 0) { // Copying to memory is important here. Checkpoint224 memory last = _unsafeAccess(self, pos - 1); // Checkpoint keys must be non-decreasing. if (last._key > key) { revert CheckpointUnorderedInsertion(); } // Update or push new checkpoint if (last._key == key) { _unsafeAccess(self, pos - 1)._value = value; } else { self.push(Checkpoint224({_key: key, _value: value})); } return (last._value, value); } else { self.push(Checkpoint224({_key: key, _value: value})); return (0, value); } } /** * @dev Return the index of the last (most recent) checkpoint with key lower or equal than the search key, or `high` * if there is none. `low` and `high` define a section where to do the search, with inclusive `low` and exclusive * `high`. * * WARNING: `high` should not be greater than the array's length. */ function _upperBinaryLookup( Checkpoint224[] storage self, uint32 key, uint256 low, uint256 high ) private view returns (uint256) { while (low < high) { uint256 mid = Math.average(low, high); if (_unsafeAccess(self, mid)._key > key) { high = mid; } else { low = mid + 1; } } return high; } /** * @dev Return the index of the first (oldest) checkpoint with key is greater or equal than the search key, or * `high` if there is none. `low` and `high` define a section where to do the search, with inclusive `low` and * exclusive `high`. * * WARNING: `high` should not be greater than the array's length. */ function _lowerBinaryLookup( Checkpoint224[] storage self, uint32 key, uint256 low, uint256 high ) private view returns (uint256) { while (low < high) { uint256 mid = Math.average(low, high); if (_unsafeAccess(self, mid)._key < key) { low = mid + 1; } else { high = mid; } } return high; } /** * @dev Access an element of the array without performing bounds check. The position is assumed to be within bounds. */ function _unsafeAccess( Checkpoint224[] storage self, uint256 pos ) private pure returns (Checkpoint224 storage result) { assembly { mstore(0, self.slot) result.slot := add(keccak256(0, 0x20), pos) } } struct Trace208 { Checkpoint208[] _checkpoints; } struct Checkpoint208 { uint48 _key; uint208 _value; } /** * @dev Pushes a (`key`, `value`) pair into a Trace208 so that it is stored as the checkpoint. * * Returns previous value and new value. * * IMPORTANT: Never accept `key` as a user input, since an arbitrary `type(uint48).max` key set will disable the * library. */ function push(Trace208 storage self, uint48 key, uint208 value) internal returns (uint208, uint208) { return _insert(self._checkpoints, key, value); } /** * @dev Returns the value in the first (oldest) checkpoint with key greater or equal than the search key, or zero if * there is none. */ function lowerLookup(Trace208 storage self, uint48 key) internal view returns (uint208) { uint256 len = self._checkpoints.length; uint256 pos = _lowerBinaryLookup(self._checkpoints, key, 0, len); return pos == len ? 0 : _unsafeAccess(self._checkpoints, pos)._value; } /** * @dev Returns the value in the last (most recent) checkpoint with key lower or equal than the search key, or zero * if there is none. */ function upperLookup(Trace208 storage self, uint48 key) internal view returns (uint208) { uint256 len = self._checkpoints.length; uint256 pos = _upperBinaryLookup(self._checkpoints, key, 0, len); return pos == 0 ? 0 : _unsafeAccess(self._checkpoints, pos - 1)._value; } /** * @dev Returns the value in the last (most recent) checkpoint with key lower or equal than the search key, or zero * if there is none. * * NOTE: This is a variant of {upperLookup} that is optimised to find "recent" checkpoint (checkpoints with high * keys). */ function upperLookupRecent(Trace208 storage self, uint48 key) internal view returns (uint208) { uint256 len = self._checkpoints.length; uint256 low = 0; uint256 high = len; if (len > 5) { uint256 mid = len - Math.sqrt(len); if (key < _unsafeAccess(self._checkpoints, mid)._key) { high = mid; } else { low = mid + 1; } } uint256 pos = _upperBinaryLookup(self._checkpoints, key, low, high); return pos == 0 ? 0 : _unsafeAccess(self._checkpoints, pos - 1)._value; } /** * @dev Returns the value in the most recent checkpoint, or zero if there are no checkpoints. */ function latest(Trace208 storage self) internal view returns (uint208) { uint256 pos = self._checkpoints.length; return pos == 0 ? 0 : _unsafeAccess(self._checkpoints, pos - 1)._value; } /** * @dev Returns whether there is a checkpoint in the structure (i.e. it is not empty), and if so the key and value * in the most recent checkpoint. */ function latestCheckpoint(Trace208 storage self) internal view returns (bool exists, uint48 _key, uint208 _value) { uint256 pos = self._checkpoints.length; if (pos == 0) { return (false, 0, 0); } else { Checkpoint208 memory ckpt = _unsafeAccess(self._checkpoints, pos - 1); return (true, ckpt._key, ckpt._value); } } /** * @dev Returns the number of checkpoint. */ function length(Trace208 storage self) internal view returns (uint256) { return self._checkpoints.length; } /** * @dev Returns checkpoint at given position. */ function at(Trace208 storage self, uint32 pos) internal view returns (Checkpoint208 memory) { return self._checkpoints[pos]; } /** * @dev Pushes a (`key`, `value`) pair into an ordered list of checkpoints, either by inserting a new checkpoint, * or by updating the last one. */ function _insert(Checkpoint208[] storage self, uint48 key, uint208 value) private returns (uint208, uint208) { uint256 pos = self.length; if (pos > 0) { // Copying to memory is important here. Checkpoint208 memory last = _unsafeAccess(self, pos - 1); // Checkpoint keys must be non-decreasing. if (last._key > key) { revert CheckpointUnorderedInsertion(); } // Update or push new checkpoint if (last._key == key) { _unsafeAccess(self, pos - 1)._value = value; } else { self.push(Checkpoint208({_key: key, _value: value})); } return (last._value, value); } else { self.push(Checkpoint208({_key: key, _value: value})); return (0, value); } } /** * @dev Return the index of the last (most recent) checkpoint with key lower or equal than the search key, or `high` * if there is none. `low` and `high` define a section where to do the search, with inclusive `low` and exclusive * `high`. * * WARNING: `high` should not be greater than the array's length. */ function _upperBinaryLookup( Checkpoint208[] storage self, uint48 key, uint256 low, uint256 high ) private view returns (uint256) { while (low < high) { uint256 mid = Math.average(low, high); if (_unsafeAccess(self, mid)._key > key) { high = mid; } else { low = mid + 1; } } return high; } /** * @dev Return the index of the first (oldest) checkpoint with key is greater or equal than the search key, or * `high` if there is none. `low` and `high` define a section where to do the search, with inclusive `low` and * exclusive `high`. * * WARNING: `high` should not be greater than the array's length. */ function _lowerBinaryLookup( Checkpoint208[] storage self, uint48 key, uint256 low, uint256 high ) private view returns (uint256) { while (low < high) { uint256 mid = Math.average(low, high); if (_unsafeAccess(self, mid)._key < key) { low = mid + 1; } else { high = mid; } } return high; } /** * @dev Access an element of the array without performing bounds check. The position is assumed to be within bounds. */ function _unsafeAccess( Checkpoint208[] storage self, uint256 pos ) private pure returns (Checkpoint208 storage result) { assembly { mstore(0, self.slot) result.slot := add(keccak256(0, 0x20), pos) } } struct Trace160 { Checkpoint160[] _checkpoints; } struct Checkpoint160 { uint96 _key; uint160 _value; } /** * @dev Pushes a (`key`, `value`) pair into a Trace160 so that it is stored as the checkpoint. * * Returns previous value and new value. * * IMPORTANT: Never accept `key` as a user input, since an arbitrary `type(uint96).max` key set will disable the * library. */ function push(Trace160 storage self, uint96 key, uint160 value) internal returns (uint160, uint160) { return _insert(self._checkpoints, key, value); } /** * @dev Returns the value in the first (oldest) checkpoint with key greater or equal than the search key, or zero if * there is none. */ function lowerLookup(Trace160 storage self, uint96 key) internal view returns (uint160) { uint256 len = self._checkpoints.length; uint256 pos = _lowerBinaryLookup(self._checkpoints, key, 0, len); return pos == len ? 0 : _unsafeAccess(self._checkpoints, pos)._value; } /** * @dev Returns the value in the last (most recent) checkpoint with key lower or equal than the search key, or zero * if there is none. */ function upperLookup(Trace160 storage self, uint96 key) internal view returns (uint160) { uint256 len = self._checkpoints.length; uint256 pos = _upperBinaryLookup(self._checkpoints, key, 0, len); return pos == 0 ? 0 : _unsafeAccess(self._checkpoints, pos - 1)._value; } /** * @dev Returns the value in the last (most recent) checkpoint with key lower or equal than the search key, or zero * if there is none. * * NOTE: This is a variant of {upperLookup} that is optimised to find "recent" checkpoint (checkpoints with high * keys). */ function upperLookupRecent(Trace160 storage self, uint96 key) internal view returns (uint160) { uint256 len = self._checkpoints.length; uint256 low = 0; uint256 high = len; if (len > 5) { uint256 mid = len - Math.sqrt(len); if (key < _unsafeAccess(self._checkpoints, mid)._key) { high = mid; } else { low = mid + 1; } } uint256 pos = _upperBinaryLookup(self._checkpoints, key, low, high); return pos == 0 ? 0 : _unsafeAccess(self._checkpoints, pos - 1)._value; } /** * @dev Returns the value in the most recent checkpoint, or zero if there are no checkpoints. */ function latest(Trace160 storage self) internal view returns (uint160) { uint256 pos = self._checkpoints.length; return pos == 0 ? 0 : _unsafeAccess(self._checkpoints, pos - 1)._value; } /** * @dev Returns whether there is a checkpoint in the structure (i.e. it is not empty), and if so the key and value * in the most recent checkpoint. */ function latestCheckpoint(Trace160 storage self) internal view returns (bool exists, uint96 _key, uint160 _value) { uint256 pos = self._checkpoints.length; if (pos == 0) { return (false, 0, 0); } else { Checkpoint160 memory ckpt = _unsafeAccess(self._checkpoints, pos - 1); return (true, ckpt._key, ckpt._value); } } /** * @dev Returns the number of checkpoint. */ function length(Trace160 storage self) internal view returns (uint256) { return self._checkpoints.length; } /** * @dev Returns checkpoint at given position. */ function at(Trace160 storage self, uint32 pos) internal view returns (Checkpoint160 memory) { return self._checkpoints[pos]; } /** * @dev Pushes a (`key`, `value`) pair into an ordered list of checkpoints, either by inserting a new checkpoint, * or by updating the last one. */ function _insert(Checkpoint160[] storage self, uint96 key, uint160 value) private returns (uint160, uint160) { uint256 pos = self.length; if (pos > 0) { // Copying to memory is important here. Checkpoint160 memory last = _unsafeAccess(self, pos - 1); // Checkpoint keys must be non-decreasing. if (last._key > key) { revert CheckpointUnorderedInsertion(); } // Update or push new checkpoint if (last._key == key) { _unsafeAccess(self, pos - 1)._value = value; } else { self.push(Checkpoint160({_key: key, _value: value})); } return (last._value, value); } else { self.push(Checkpoint160({_key: key, _value: value})); return (0, value); } } /** * @dev Return the index of the last (most recent) checkpoint with key lower or equal than the search key, or `high` * if there is none. `low` and `high` define a section where to do the search, with inclusive `low` and exclusive * `high`. * * WARNING: `high` should not be greater than the array's length. */ function _upperBinaryLookup( Checkpoint160[] storage self, uint96 key, uint256 low, uint256 high ) private view returns (uint256) { while (low < high) { uint256 mid = Math.average(low, high); if (_unsafeAccess(self, mid)._key > key) { high = mid; } else { low = mid + 1; } } return high; } /** * @dev Return the index of the first (oldest) checkpoint with key is greater or equal than the search key, or * `high` if there is none. `low` and `high` define a section where to do the search, with inclusive `low` and * exclusive `high`. * * WARNING: `high` should not be greater than the array's length. */ function _lowerBinaryLookup( Checkpoint160[] storage self, uint96 key, uint256 low, uint256 high ) private view returns (uint256) { while (low < high) { uint256 mid = Math.average(low, high); if (_unsafeAccess(self, mid)._key < key) { low = mid + 1; } else { high = mid; } } return high; } /** * @dev Access an element of the array without performing bounds check. The position is assumed to be within bounds. */ function _unsafeAccess( Checkpoint160[] storage self, uint256 pos ) private pure returns (Checkpoint160 storage result) { assembly { mstore(0, self.slot) result.slot := add(keccak256(0, 0x20), pos) } } }
// SPDX-License-Identifier: MIT // OpenZeppelin Contracts (last updated v5.0.0) (utils/types/Time.sol) pragma solidity ^0.8.20; import {Math} from "../math/Math.sol"; import {SafeCast} from "../math/SafeCast.sol"; /** * @dev This library provides helpers for manipulating time-related objects. * * It uses the following types: * - `uint48` for timepoints * - `uint32` for durations * * While the library doesn't provide specific types for timepoints and duration, it does provide: * - a `Delay` type to represent duration that can be programmed to change value automatically at a given point * - additional helper functions */ library Time { using Time for *; /** * @dev Get the block timestamp as a Timepoint. */ function timestamp() internal view returns (uint48) { return SafeCast.toUint48(block.timestamp); } /** * @dev Get the block number as a Timepoint. */ function blockNumber() internal view returns (uint48) { return SafeCast.toUint48(block.number); } // ==================================================== Delay ===================================================== /** * @dev A `Delay` is a uint32 duration that can be programmed to change value automatically at a given point in the * future. The "effect" timepoint describes when the transitions happens from the "old" value to the "new" value. * This allows updating the delay applied to some operation while keeping some guarantees. * * In particular, the {update} function guarantees that if the delay is reduced, the old delay still applies for * some time. For example if the delay is currently 7 days to do an upgrade, the admin should not be able to set * the delay to 0 and upgrade immediately. If the admin wants to reduce the delay, the old delay (7 days) should * still apply for some time. * * * The `Delay` type is 112 bits long, and packs the following: * * ``` * | [uint48]: effect date (timepoint) * | | [uint32]: value before (duration) * ↓ ↓ ↓ [uint32]: value after (duration) * 0xAAAAAAAAAAAABBBBBBBBCCCCCCCC * ``` * * NOTE: The {get} and {withUpdate} functions operate using timestamps. Block number based delays are not currently * supported. */ type Delay is uint112; /** * @dev Wrap a duration into a Delay to add the one-step "update in the future" feature */ function toDelay(uint32 duration) internal pure returns (Delay) { return Delay.wrap(duration); } /** * @dev Get the value at a given timepoint plus the pending value and effect timepoint if there is a scheduled * change after this timepoint. If the effect timepoint is 0, then the pending value should not be considered. */ function _getFullAt(Delay self, uint48 timepoint) private pure returns (uint32, uint32, uint48) { (uint32 valueBefore, uint32 valueAfter, uint48 effect) = self.unpack(); return effect <= timepoint ? (valueAfter, 0, 0) : (valueBefore, valueAfter, effect); } /** * @dev Get the current value plus the pending value and effect timepoint if there is a scheduled change. If the * effect timepoint is 0, then the pending value should not be considered. */ function getFull(Delay self) internal view returns (uint32, uint32, uint48) { return _getFullAt(self, timestamp()); } /** * @dev Get the current value. */ function get(Delay self) internal view returns (uint32) { (uint32 delay, , ) = self.getFull(); return delay; } /** * @dev Update a Delay object so that it takes a new duration after a timepoint that is automatically computed to * enforce the old delay at the moment of the update. Returns the updated Delay object and the timestamp when the * new delay becomes effective. */ function withUpdate( Delay self, uint32 newValue, uint32 minSetback ) internal view returns (Delay updatedDelay, uint48 effect) { uint32 value = self.get(); uint32 setback = uint32(Math.max(minSetback, value > newValue ? value - newValue : 0)); effect = timestamp() + setback; return (pack(value, newValue, effect), effect); } /** * @dev Split a delay into its components: valueBefore, valueAfter and effect (transition timepoint). */ function unpack(Delay self) internal pure returns (uint32 valueBefore, uint32 valueAfter, uint48 effect) { uint112 raw = Delay.unwrap(self); valueAfter = uint32(raw); valueBefore = uint32(raw >> 32); effect = uint48(raw >> 64); return (valueBefore, valueAfter, effect); } /** * @dev pack the components into a Delay object. */ function pack(uint32 valueBefore, uint32 valueAfter, uint48 effect) internal pure returns (Delay) { return Delay.wrap((uint112(effect) << 64) | (uint112(valueBefore) << 32) | uint112(valueAfter)); } }
{ "evmVersion": "paris", "optimizer": { "enabled": false, "runs": 200 }, "outputSelection": { "*": { "*": [ "evm.bytecode", "evm.deployedBytecode", "devdoc", "userdoc", "metadata", "abi" ] } }, "libraries": {} }
Contract Security Audit
- No Contract Security Audit Submitted- Submit Audit Here
[{"inputs":[{"internalType":"address","name":"initialOwner","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[],"name":"CheckpointUnorderedInsertion","type":"error"},{"inputs":[],"name":"ECDSAInvalidSignature","type":"error"},{"inputs":[{"internalType":"uint256","name":"length","type":"uint256"}],"name":"ECDSAInvalidSignatureLength","type":"error"},{"inputs":[{"internalType":"bytes32","name":"s","type":"bytes32"}],"name":"ECDSAInvalidSignatureS","type":"error"},{"inputs":[{"internalType":"uint256","name":"increasedSupply","type":"uint256"},{"internalType":"uint256","name":"cap","type":"uint256"}],"name":"ERC20ExceededSafeSupply","type":"error"},{"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"allowance","type":"uint256"},{"internalType":"uint256","name":"needed","type":"uint256"}],"name":"ERC20InsufficientAllowance","type":"error"},{"inputs":[{"internalType":"address","name":"sender","type":"address"},{"internalType":"uint256","name":"balance","type":"uint256"},{"internalType":"uint256","name":"needed","type":"uint256"}],"name":"ERC20InsufficientBalance","type":"error"},{"inputs":[{"internalType":"address","name":"approver","type":"address"}],"name":"ERC20InvalidApprover","type":"error"},{"inputs":[{"internalType":"address","name":"receiver","type":"address"}],"name":"ERC20InvalidReceiver","type":"error"},{"inputs":[{"internalType":"address","name":"sender","type":"address"}],"name":"ERC20InvalidSender","type":"error"},{"inputs":[{"internalType":"address","name":"spender","type":"address"}],"name":"ERC20InvalidSpender","type":"error"},{"inputs":[{"internalType":"uint256","name":"deadline","type":"uint256"}],"name":"ERC2612ExpiredSignature","type":"error"},{"inputs":[{"internalType":"address","name":"signer","type":"address"},{"internalType":"address","name":"owner","type":"address"}],"name":"ERC2612InvalidSigner","type":"error"},{"inputs":[{"internalType":"uint256","name":"timepoint","type":"uint256"},{"internalType":"uint48","name":"clock","type":"uint48"}],"name":"ERC5805FutureLookup","type":"error"},{"inputs":[],"name":"ERC6372InconsistentClock","type":"error"},{"inputs":[{"internalType":"address","name":"account","type":"address"},{"internalType":"uint256","name":"currentNonce","type":"uint256"}],"name":"InvalidAccountNonce","type":"error"},{"inputs":[],"name":"InvalidShortString","type":"error"},{"inputs":[{"internalType":"address","name":"owner","type":"address"}],"name":"OwnableInvalidOwner","type":"error"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"OwnableUnauthorizedAccount","type":"error"},{"inputs":[{"internalType":"uint8","name":"bits","type":"uint8"},{"internalType":"uint256","name":"value","type":"uint256"}],"name":"SafeCastOverflowedUintDowncast","type":"error"},{"inputs":[{"internalType":"string","name":"str","type":"string"}],"name":"StringTooLong","type":"error"},{"inputs":[{"internalType":"uint256","name":"expiry","type":"uint256"}],"name":"VotesExpiredSignature","type":"error"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"owner","type":"address"},{"indexed":true,"internalType":"address","name":"spender","type":"address"},{"indexed":false,"internalType":"uint256","name":"value","type":"uint256"}],"name":"Approval","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"delegator","type":"address"},{"indexed":true,"internalType":"address","name":"fromDelegate","type":"address"},{"indexed":true,"internalType":"address","name":"toDelegate","type":"address"}],"name":"DelegateChanged","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"delegate","type":"address"},{"indexed":false,"internalType":"uint256","name":"previousVotes","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"newVotes","type":"uint256"}],"name":"DelegateVotesChanged","type":"event"},{"anonymous":false,"inputs":[],"name":"EIP712DomainChanged","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":false,"internalType":"uint256","name":"value","type":"uint256"}],"name":"Transfer","type":"event"},{"inputs":[],"name":"CLOCK_MODE","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"DOMAIN_SEPARATOR","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"address","name":"spender","type":"address"}],"name":"allowance","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"value","type":"uint256"}],"name":"approve","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"balanceOf","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"},{"internalType":"uint32","name":"pos","type":"uint32"}],"name":"checkpoints","outputs":[{"components":[{"internalType":"uint48","name":"_key","type":"uint48"},{"internalType":"uint208","name":"_value","type":"uint208"}],"internalType":"struct Checkpoints.Checkpoint208","name":"","type":"tuple"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"clock","outputs":[{"internalType":"uint48","name":"","type":"uint48"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"decimals","outputs":[{"internalType":"uint8","name":"","type":"uint8"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"delegatee","type":"address"}],"name":"delegate","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"delegatee","type":"address"},{"internalType":"uint256","name":"nonce","type":"uint256"},{"internalType":"uint256","name":"expiry","type":"uint256"},{"internalType":"uint8","name":"v","type":"uint8"},{"internalType":"bytes32","name":"r","type":"bytes32"},{"internalType":"bytes32","name":"s","type":"bytes32"}],"name":"delegateBySig","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"delegates","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"eip712Domain","outputs":[{"internalType":"bytes1","name":"fields","type":"bytes1"},{"internalType":"string","name":"name","type":"string"},{"internalType":"string","name":"version","type":"string"},{"internalType":"uint256","name":"chainId","type":"uint256"},{"internalType":"address","name":"verifyingContract","type":"address"},{"internalType":"bytes32","name":"salt","type":"bytes32"},{"internalType":"uint256[]","name":"extensions","type":"uint256[]"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"timepoint","type":"uint256"}],"name":"getPastTotalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"},{"internalType":"uint256","name":"timepoint","type":"uint256"}],"name":"getPastVotes","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"getVotes","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"initTotalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"}],"name":"nonces","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"numCheckpoints","outputs":[{"internalType":"uint32","name":"","type":"uint32"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"owner","type":"address"},{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"value","type":"uint256"},{"internalType":"uint256","name":"deadline","type":"uint256"},{"internalType":"uint8","name":"v","type":"uint8"},{"internalType":"bytes32","name":"r","type":"bytes32"},{"internalType":"bytes32","name":"s","type":"bytes32"}],"name":"permit","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"symbol","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"totalSupply","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"value","type":"uint256"}],"name":"transfer","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"from","type":"address"},{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"value","type":"uint256"}],"name":"transferFrom","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","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)
000000000000000000000000ed06abd96800ca38fcbee959ad492ad4372a4b45
-----Decoded View---------------
Arg [0] : initialOwner (address): 0xed06ABd96800cA38FcBeE959ad492aD4372a4B45
-----Encoded View---------------
1 Constructor Arguments found :
Arg [0] : 000000000000000000000000ed06abd96800ca38fcbee959ad492ad4372a4b45
Loading...
Loading
Loading...
Loading
[ Download: CSV Export ]
[ Download: CSV Export ]
A token is a representation of an on-chain or off-chain asset. The token page shows information such as price, total supply, holders, transfers and social links. Learn more about this page in our Knowledge Base.