ERC-20
DeFi
Overview
Max Total Supply
243,674,572 PARA
Holders
1,561 (0.00%)
Market
Price
$0.00 @ 0.000000 ETH (+3.22%)
Onchain Market Cap
$125,190.25
Circulating Supply Market Cap
$0.00
Other Info
Token Contract (WITH 18 Decimals)
Balance
67,500 PARAValue
$34.68 ( ~0.0145449102118548 Eth) [0.0277%]Loading...
Loading
Loading...
Loading
Loading...
Loading
# | Exchange | Pair | Price | 24H Volume | % Volume |
---|
Contract Name:
ParaToken
Compiler Version
v0.6.12+commit.27d51765
Contract Source Code (Solidity)
/** *Submitted for verification at Etherscan.io on 2021-01-18 */ // SPDX-License-Identifier: MIT pragma solidity 0.6.12; // Part: OpenZeppelin/[email protected]/Address /** * @dev Collection of functions related to the address type */ library Address { /** * @dev Returns true if `account` is a contract. * * [IMPORTANT] * ==== * It is unsafe to assume that an address for which this function returns * false is an externally-owned account (EOA) and not a contract. * * Among others, `isContract` will return false for the following * types of addresses: * * - an externally-owned account * - a contract in construction * - an address where a contract will be created * - an address where a contract lived, but was destroyed * ==== */ function isContract(address account) internal view returns (bool) { // According to EIP-1052, 0x0 is the value returned for not-yet created accounts // and 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470 is returned // for accounts without code, i.e. `keccak256('')` bytes32 codehash; bytes32 accountHash = 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470; // solhint-disable-next-line no-inline-assembly assembly { codehash := extcodehash(account) } return (codehash != accountHash && codehash != 0x0); } /** * @dev Replacement for Solidity's `transfer`: sends `amount` wei to * `recipient`, forwarding all available gas and reverting on errors. * * https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost * of certain opcodes, possibly making contracts go over the 2300 gas limit * imposed by `transfer`, making them unable to receive funds via * `transfer`. {sendValue} removes this limitation. * * https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more]. * * IMPORTANT: because control is transferred to `recipient`, care must be * taken to not create reentrancy vulnerabilities. Consider using * {ReentrancyGuard} or the * https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern]. */ function sendValue(address payable recipient, uint256 amount) internal { require(address(this).balance >= amount, "Address: insufficient balance"); // solhint-disable-next-line avoid-low-level-calls, avoid-call-value (bool success, ) = recipient.call{ value: amount }(""); require(success, "Address: unable to send value, recipient may have reverted"); } /** * @dev Performs a Solidity function call using a low level `call`. A * plain`call` is an unsafe replacement for a function call: use this * function instead. * * If `target` reverts with a revert reason, it is bubbled up by this * function (like regular Solidity function calls). * * Returns the raw returned data. To convert to the expected return value, * use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`]. * * Requirements: * * - `target` must be a contract. * - calling `target` with `data` must not revert. * * _Available since v3.1._ */ function functionCall(address target, bytes memory data) internal returns (bytes memory) { return functionCall(target, data, "Address: low-level call failed"); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with * `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ */ function functionCall(address target, bytes memory data, string memory errorMessage) internal returns (bytes memory) { return _functionCallWithValue(target, data, 0, errorMessage); } /** * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], * but also transferring `value` wei to `target`. * * Requirements: * * - the calling contract must have an ETH balance of at least `value`. * - the called Solidity function must be `payable`. * * _Available since v3.1._ */ function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) { return functionCallWithValue(target, data, value, "Address: low-level call with value failed"); } /** * @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but * with `errorMessage` as a fallback revert reason when `target` reverts. * * _Available since v3.1._ */ function functionCallWithValue(address target, bytes memory data, uint256 value, string memory errorMessage) internal returns (bytes memory) { require(address(this).balance >= value, "Address: insufficient balance for call"); return _functionCallWithValue(target, data, value, errorMessage); } function _functionCallWithValue(address target, bytes memory data, uint256 weiValue, string memory errorMessage) private returns (bytes memory) { require(isContract(target), "Address: call to non-contract"); // solhint-disable-next-line avoid-low-level-calls (bool success, bytes memory returndata) = target.call{ value: weiValue }(data); if (success) { return returndata; } else { // Look for revert reason and bubble it up if present if (returndata.length > 0) { // The easiest way to bubble the revert reason is using memory via assembly // solhint-disable-next-line no-inline-assembly assembly { let returndata_size := mload(returndata) revert(add(32, returndata), returndata_size) } } else { revert(errorMessage); } } } } // Part: OpenZeppelin/[email protected]/Context /* * @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 GSN 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 payable) { return msg.sender; } function _msgData() internal view virtual returns (bytes memory) { this; // silence state mutability warning without generating bytecode - see https://github.com/ethereum/solidity/issues/2691 return msg.data; } } // Part: OpenZeppelin/[email protected]/IERC20 /** * @dev Interface of the ERC20 standard as defined in the EIP. */ interface IERC20 { /** * @dev Returns the amount of tokens in existence. */ function totalSupply() external view returns (uint256); /** * @dev Returns the amount of tokens owned by `account`. */ function balanceOf(address account) external view returns (uint256); /** * @dev Moves `amount` tokens from the caller's account to `recipient`. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. */ function transfer(address recipient, uint256 amount) 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 `amount` 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 amount) external returns (bool); /** * @dev Moves `amount` tokens from `sender` to `recipient` using the * allowance mechanism. `amount` is then deducted from the caller's * allowance. * * Returns a boolean value indicating whether the operation succeeded. * * Emits a {Transfer} event. */ function transferFrom(address sender, address recipient, uint256 amount) external returns (bool); /** * @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); } // Part: OpenZeppelin/[email protected]/SafeMath /** * @dev Wrappers over Solidity's arithmetic operations with added overflow * checks. * * Arithmetic operations in Solidity wrap on overflow. This can easily result * in bugs, because programmers usually assume that an overflow raises an * error, which is the standard behavior in high level programming languages. * `SafeMath` restores this intuition by reverting the transaction when 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 SafeMath { /** * @dev Returns the addition of two unsigned integers, reverting on * overflow. * * Counterpart to Solidity's `+` operator. * * Requirements: * * - Addition cannot overflow. */ function add(uint256 a, uint256 b) internal pure returns (uint256) { uint256 c = a + b; require(c >= a, "SafeMath: addition overflow"); return c; } /** * @dev Returns the subtraction of two unsigned integers, reverting on * overflow (when the result is negative). * * Counterpart to Solidity's `-` operator. * * Requirements: * * - Subtraction cannot overflow. */ function sub(uint256 a, uint256 b) internal pure returns (uint256) { return sub(a, b, "SafeMath: subtraction overflow"); } /** * @dev Returns the subtraction of two unsigned integers, reverting with custom message on * overflow (when the result is negative). * * Counterpart to Solidity's `-` operator. * * Requirements: * * - Subtraction cannot overflow. */ function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b <= a, errorMessage); uint256 c = a - b; return c; } /** * @dev Returns the multiplication of two unsigned integers, reverting on * overflow. * * Counterpart to Solidity's `*` operator. * * Requirements: * * - Multiplication cannot overflow. */ function mul(uint256 a, uint256 b) internal pure returns (uint256) { // 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 0; } uint256 c = a * b; require(c / a == b, "SafeMath: multiplication overflow"); return c; } /** * @dev Returns the integer division of two unsigned integers. Reverts on * division by zero. The result is rounded towards zero. * * Counterpart to Solidity's `/` operator. Note: this function uses a * `revert` opcode (which leaves remaining gas untouched) while Solidity * uses an invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. */ function div(uint256 a, uint256 b) internal pure returns (uint256) { return div(a, b, "SafeMath: division by zero"); } /** * @dev Returns the integer division of two unsigned integers. Reverts with custom message on * division by zero. The result is rounded towards zero. * * Counterpart to Solidity's `/` operator. Note: this function uses a * `revert` opcode (which leaves remaining gas untouched) while Solidity * uses an invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. */ function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b > 0, errorMessage); uint256 c = a / b; // assert(a == b * c + a % b); // There is no case in which this doesn't hold return c; } /** * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo), * Reverts when dividing by zero. * * Counterpart to Solidity's `%` operator. This function uses a `revert` * opcode (which leaves remaining gas untouched) while Solidity uses an * invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. */ function mod(uint256 a, uint256 b) internal pure returns (uint256) { return mod(a, b, "SafeMath: modulo by zero"); } /** * @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo), * Reverts with custom message when dividing by zero. * * Counterpart to Solidity's `%` operator. This function uses a `revert` * opcode (which leaves remaining gas untouched) while Solidity uses an * invalid opcode to revert (consuming all remaining gas). * * Requirements: * * - The divisor cannot be zero. */ function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) { require(b != 0, errorMessage); return a % b; } } // Part: OpenZeppelin/[email protected]/ERC20 /** * @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}. * For a generic mechanism see {ERC20PresetMinterPauser}. * * TIP: For a detailed writeup see our guide * https://forum.zeppelin.solutions/t/how-to-implement-erc20-supply-mechanisms/226[How * to implement supply mechanisms]. * * We have followed general OpenZeppelin guidelines: functions revert instead * of 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. * * Finally, the non-standard {decreaseAllowance} and {increaseAllowance} * functions have been added to mitigate the well-known issues around setting * allowances. See {IERC20-approve}. */ contract ERC20 is Context, IERC20 { using SafeMath for uint256; using Address for address; mapping (address => uint256) private _balances; mapping (address => mapping (address => uint256)) private _allowances; uint256 private _totalSupply; string private _name; string private _symbol; uint8 private _decimals; /** * @dev Sets the values for {name} and {symbol}, initializes {decimals} with * a default value of 18. * * To select a different value for {decimals}, use {_setupDecimals}. * * All three of these values are immutable: they can only be set once during * construction. */ constructor (string memory name, string memory symbol) public { _name = name; _symbol = symbol; _decimals = 18; } /** * @dev Returns the name of the token. */ function name() public view returns (string memory) { return _name; } /** * @dev Returns the symbol of the token, usually a shorter version of the * name. */ function symbol() public view 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 value {ERC20} uses, unless {_setupDecimals} is * called. * * 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 returns (uint8) { return _decimals; } /** * @dev See {IERC20-totalSupply}. */ function totalSupply() public view override returns (uint256) { return _totalSupply; } /** * @dev See {IERC20-balanceOf}. */ function balanceOf(address account) public view override returns (uint256) { return _balances[account]; } /** * @dev See {IERC20-transfer}. * * Requirements: * * - `recipient` cannot be the zero address. * - the caller must have a balance of at least `amount`. */ function transfer(address recipient, uint256 amount) public virtual override returns (bool) { _transfer(_msgSender(), recipient, amount); return true; } /** * @dev See {IERC20-allowance}. */ function allowance(address owner, address spender) public view virtual override returns (uint256) { return _allowances[owner][spender]; } /** * @dev See {IERC20-approve}. * * Requirements: * * - `spender` cannot be the zero address. */ function approve(address spender, uint256 amount) public virtual override returns (bool) { _approve(_msgSender(), spender, amount); 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}; * * Requirements: * - `sender` and `recipient` cannot be the zero address. * - `sender` must have a balance of at least `amount`. * - the caller must have allowance for ``sender``'s tokens of at least * `amount`. */ function transferFrom(address sender, address recipient, uint256 amount) public virtual override returns (bool) { _transfer(sender, recipient, amount); _approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance")); return true; } /** * @dev Atomically increases the allowance granted to `spender` by the caller. * * This is an alternative to {approve} that can be used as a mitigation for * problems described in {IERC20-approve}. * * Emits an {Approval} event indicating the updated allowance. * * Requirements: * * - `spender` cannot be the zero address. */ function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) { _approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue)); return true; } /** * @dev Atomically decreases the allowance granted to `spender` by the caller. * * This is an alternative to {approve} that can be used as a mitigation for * problems described in {IERC20-approve}. * * Emits an {Approval} event indicating the updated allowance. * * Requirements: * * - `spender` cannot be the zero address. * - `spender` must have allowance for the caller of at least * `subtractedValue`. */ function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) { _approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, "ERC20: decreased allowance below zero")); return true; } /** * @dev Moves tokens `amount` from `sender` to `recipient`. * * This is internal function is equivalent to {transfer}, and can be used to * e.g. implement automatic token fees, slashing mechanisms, etc. * * Emits a {Transfer} event. * * Requirements: * * - `sender` cannot be the zero address. * - `recipient` cannot be the zero address. * - `sender` must have a balance of at least `amount`. */ function _transfer(address sender, address recipient, uint256 amount) internal virtual { require(sender != address(0), "ERC20: transfer from the zero address"); require(recipient != address(0), "ERC20: transfer to the zero address"); _beforeTokenTransfer(sender, recipient, amount); _balances[sender] = _balances[sender].sub(amount, "ERC20: transfer amount exceeds balance"); _balances[recipient] = _balances[recipient].add(amount); emit Transfer(sender, recipient, amount); } /** @dev Creates `amount` tokens and assigns them to `account`, increasing * the total supply. * * Emits a {Transfer} event with `from` set to the zero address. * * Requirements * * - `to` cannot be the zero address. */ function _mint(address account, uint256 amount) internal virtual { require(account != address(0), "ERC20: mint to the zero address"); _beforeTokenTransfer(address(0), account, amount); _totalSupply = _totalSupply.add(amount); _balances[account] = _balances[account].add(amount); emit Transfer(address(0), account, amount); } /** * @dev Destroys `amount` tokens from `account`, reducing the * total supply. * * Emits a {Transfer} event with `to` set to the zero address. * * Requirements * * - `account` cannot be the zero address. * - `account` must have at least `amount` tokens. */ function _burn(address account, uint256 amount) internal virtual { require(account != address(0), "ERC20: burn from the zero address"); _beforeTokenTransfer(account, address(0), amount); _balances[account] = _balances[account].sub(amount, "ERC20: burn amount exceeds balance"); _totalSupply = _totalSupply.sub(amount); emit Transfer(account, address(0), amount); } /** * @dev Sets `amount` as the allowance of `spender` over the `owner`s tokens. * * This is 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. */ function _approve(address owner, address spender, uint256 amount) internal virtual { require(owner != address(0), "ERC20: approve from the zero address"); require(spender != address(0), "ERC20: approve to the zero address"); _allowances[owner][spender] = amount; emit Approval(owner, spender, amount); } /** * @dev Sets {decimals} to a value other than the default one of 18. * * WARNING: This function should only be called from the constructor. Most * applications that interact with token contracts will not expect * {decimals} to ever change, and may work incorrectly if it does. */ function _setupDecimals(uint8 decimals_) internal { _decimals = decimals_; } /** * @dev Hook that is called before any transfer of tokens. This includes * minting and burning. * * Calling conditions: * * - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens * will be to transferred to `to`. * - when `from` is zero, `amount` tokens will be minted for `to`. * - when `to` is zero, `amount` of ``from``'s tokens will be burned. * - `from` and `to` are never both zero. * * To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks]. */ function _beforeTokenTransfer(address from, address to, uint256 amount) internal virtual { } } // Part: OpenZeppelin/[email protected]/Ownable /** * @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. * * By default, the owner account will be the one that deploys the contract. 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. */ contract Ownable is Context { address private _owner; event OwnershipTransferred(address indexed previousOwner, address indexed newOwner); /** * @dev Initializes the contract setting the deployer as the initial owner. */ constructor () internal { address msgSender = _msgSender(); _owner = msgSender; emit OwnershipTransferred(address(0), msgSender); } /** * @dev Returns the address of the current owner. */ function owner() public view returns (address) { return _owner; } /** * @dev Throws if called by any account other than the owner. */ modifier onlyOwner() { require(_owner == _msgSender(), "Ownable: caller is not the owner"); _; } /** * @dev Leaves the contract without owner. It will not be possible to call * `onlyOwner` functions anymore. Can only be called by the current owner. * * NOTE: Renouncing ownership will leave the contract without an owner, * thereby removing any functionality that is only available to the owner. */ function renounceOwnership() public virtual onlyOwner { emit OwnershipTransferred(_owner, address(0)); _owner = 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 { require(newOwner != address(0), "Ownable: new owner is the zero address"); emit OwnershipTransferred(_owner, newOwner); _owner = newOwner; } } // Part: OpenZeppelin/[email protected]/ERC20Burnable /** * @dev Extension of {ERC20} that allows token holders to destroy both their own * tokens and those that they have an allowance for, in a way that can be * recognized off-chain (via event analysis). */ abstract contract ERC20Burnable is Context, ERC20 { /** * @dev Destroys `amount` tokens from the caller. * * See {ERC20-_burn}. */ function burn(uint256 amount) public virtual { _burn(_msgSender(), amount); } /** * @dev Destroys `amount` tokens from `account`, deducting from the caller's * allowance. * * See {ERC20-_burn} and {ERC20-allowance}. * * Requirements: * * - the caller must have allowance for ``accounts``'s tokens of at least * `amount`. */ function burnFrom(address account, uint256 amount) public virtual { uint256 decreasedAllowance = allowance(account, _msgSender()).sub(amount, "ERC20: burn amount exceeds allowance"); _approve(account, _msgSender(), decreasedAllowance); _burn(account, amount); } } // File: ParaToken.sol contract ParaToken is ERC20, Ownable, ERC20Burnable { constructor() public ERC20("Paralink Network", "PARA") { } function mint(address to, uint256 amount) public virtual onlyOwner { _mint(to, amount); _moveDelegates(address(0), _delegates[to], amount); } // Copied and modified from YAM code: // https://github.com/yam-finance/yam-protocol/blob/master/contracts/token/YAMGovernanceStorage.sol // https://github.com/yam-finance/yam-protocol/blob/master/contracts/token/YAMGovernance.sol // Which is copied and modified from COMPOUND: // https://github.com/compound-finance/compound-protocol/blob/master/contracts/Governance/Comp.sol /// @notice A record of each accounts delegate mapping (address => address) internal _delegates; /// @notice A checkpoint for marking number of votes from a given block struct Checkpoint { uint32 fromBlock; uint256 votes; } /// @notice A record of votes checkpoints for each account, by index mapping (address => mapping (uint32 => Checkpoint)) public checkpoints; /// @notice The number of checkpoints for each account mapping (address => uint32) public numCheckpoints; /// @notice The EIP-712 typehash for the contract's domain bytes32 public constant DOMAIN_TYPEHASH = keccak256("EIP712Domain(string name,uint256 chainId,address verifyingContract)"); /// @notice The EIP-712 typehash for the delegation struct used by the contract bytes32 public constant DELEGATION_TYPEHASH = keccak256("Delegation(address delegatee,uint256 nonce,uint256 expiry)"); /// @notice A record of states for signing / validating signatures mapping (address => uint) public nonces; /// @notice An event thats emitted when an account changes its delegate event DelegateChanged(address indexed delegator, address indexed fromDelegate, address indexed toDelegate); /// @notice An event thats emitted when a delegate account's vote balance changes event DelegateVotesChanged(address indexed delegate, uint previousBalance, uint newBalance); /** * @notice Delegate votes from `msg.sender` to `delegatee` * @param delegator The address to get delegatee for */ function delegates(address delegator) external view returns (address) { return _delegates[delegator]; } /** * @notice Delegate votes from `msg.sender` to `delegatee` * @param delegatee The address to delegate votes to */ function delegate(address delegatee) external { return _delegate(msg.sender, delegatee); } /** * @notice Delegates votes from signatory to `delegatee` * @param delegatee The address to delegate votes to * @param nonce The contract state required to match the signature * @param expiry The time at which to expire the signature * @param v The recovery byte of the signature * @param r Half of the ECDSA signature pair * @param s Half of the ECDSA signature pair */ function delegateBySig( address delegatee, uint nonce, uint expiry, uint8 v, bytes32 r, bytes32 s ) external { bytes32 domainSeparator = keccak256( abi.encode( DOMAIN_TYPEHASH, keccak256(bytes(name())), getChainId(), address(this) ) ); bytes32 structHash = keccak256( abi.encode( DELEGATION_TYPEHASH, delegatee, nonce, expiry ) ); bytes32 digest = keccak256( abi.encodePacked( "\x19\x01", domainSeparator, structHash ) ); address signatory = ecrecover(digest, v, r, s); require(signatory != address(0), "PARA::delegateBySig: invalid signature"); require(nonce == nonces[signatory]++, "PARA::delegateBySig: invalid nonce"); require(now <= expiry, "PARA::delegateBySig: signature expired"); return _delegate(signatory, delegatee); } /** * @notice Gets the current votes balance for `account` * @param account The address to get votes balance * @return The number of current votes for `account` */ function getCurrentVotes(address account) external view returns (uint256) { uint32 nCheckpoints = numCheckpoints[account]; return nCheckpoints > 0 ? checkpoints[account][nCheckpoints - 1].votes : 0; } /** * @notice Determine the prior number of votes for an account as of a block number * @dev Block number must be a finalized block or else this function will revert to prevent misinformation. * @param account The address of the account to check * @param blockNumber The block number to get the vote balance at * @return The number of votes the account had as of the given block */ function getPriorVotes(address account, uint blockNumber) external view returns (uint256) { require(blockNumber < block.number, "PARA::getPriorVotes: not yet determined"); uint32 nCheckpoints = numCheckpoints[account]; if (nCheckpoints == 0) { return 0; } // First check most recent balance if (checkpoints[account][nCheckpoints - 1].fromBlock <= blockNumber) { return checkpoints[account][nCheckpoints - 1].votes; } // Next check implicit zero balance if (checkpoints[account][0].fromBlock > blockNumber) { return 0; } uint32 lower = 0; uint32 upper = nCheckpoints - 1; while (upper > lower) { uint32 center = upper - (upper - lower) / 2; // ceil, avoiding overflow Checkpoint memory cp = checkpoints[account][center]; if (cp.fromBlock == blockNumber) { return cp.votes; } else if (cp.fromBlock < blockNumber) { lower = center; } else { upper = center - 1; } } return checkpoints[account][lower].votes; } function _delegate(address delegator, address delegatee) internal { address currentDelegate = _delegates[delegator]; uint256 delegatorBalance = balanceOf(delegator); // balance of underlying PARA (not scaled); _delegates[delegator] = delegatee; emit DelegateChanged(delegator, currentDelegate, delegatee); _moveDelegates(currentDelegate, delegatee, delegatorBalance); } function _moveDelegates(address srcRep, address dstRep, uint256 amount) internal { if (srcRep != dstRep && amount > 0) { if (srcRep != address(0)) { // decrease old representative uint32 srcRepNum = numCheckpoints[srcRep]; uint256 srcRepOld = srcRepNum > 0 ? checkpoints[srcRep][srcRepNum - 1].votes : 0; uint256 srcRepNew = srcRepOld.sub(amount); _writeCheckpoint(srcRep, srcRepNum, srcRepOld, srcRepNew); } if (dstRep != address(0)) { // increase new representative uint32 dstRepNum = numCheckpoints[dstRep]; uint256 dstRepOld = dstRepNum > 0 ? checkpoints[dstRep][dstRepNum - 1].votes : 0; uint256 dstRepNew = dstRepOld.add(amount); _writeCheckpoint(dstRep, dstRepNum, dstRepOld, dstRepNew); } } } function _writeCheckpoint( address delegatee, uint32 nCheckpoints, uint256 oldVotes, uint256 newVotes ) internal { uint32 blockNumber = safe32(block.number, "PARA::_writeCheckpoint: block number exceeds 32 bits"); if (nCheckpoints > 0 && checkpoints[delegatee][nCheckpoints - 1].fromBlock == blockNumber) { checkpoints[delegatee][nCheckpoints - 1].votes = newVotes; } else { checkpoints[delegatee][nCheckpoints] = Checkpoint(blockNumber, newVotes); numCheckpoints[delegatee] = nCheckpoints + 1; } emit DelegateVotesChanged(delegatee, oldVotes, newVotes); } function safe32(uint n, string memory errorMessage) internal pure returns (uint32) { require(n < 2**32, errorMessage); return uint32(n); } function getChainId() internal pure returns (uint) { uint256 chainId; assembly { chainId := chainid() } return chainId; } }
Contract Security Audit
- No Contract Security Audit Submitted- Submit Audit Here
[{"inputs":[],"stateMutability":"nonpayable","type":"constructor"},{"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":"previousBalance","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"newBalance","type":"uint256"}],"name":"DelegateVotesChanged","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":"DELEGATION_TYPEHASH","outputs":[{"internalType":"bytes32","name":"","type":"bytes32"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"DOMAIN_TYPEHASH","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":"amount","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":"uint256","name":"amount","type":"uint256"}],"name":"burn","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"burnFrom","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"},{"internalType":"uint32","name":"","type":"uint32"}],"name":"checkpoints","outputs":[{"internalType":"uint32","name":"fromBlock","type":"uint32"},{"internalType":"uint256","name":"votes","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"decimals","outputs":[{"internalType":"uint8","name":"","type":"uint8"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"subtractedValue","type":"uint256"}],"name":"decreaseAllowance","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","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":"delegator","type":"address"}],"name":"delegates","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"getCurrentVotes","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"account","type":"address"},{"internalType":"uint256","name":"blockNumber","type":"uint256"}],"name":"getPriorVotes","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"spender","type":"address"},{"internalType":"uint256","name":"addedValue","type":"uint256"}],"name":"increaseAllowance","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"to","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"mint","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"nonces","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","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":[],"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":"recipient","type":"address"},{"internalType":"uint256","name":"amount","type":"uint256"}],"name":"transfer","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"sender","type":"address"},{"internalType":"address","name":"recipient","type":"address"},{"internalType":"uint256","name":"amount","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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
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.