ETH Price: $3,291.98 (-0.23%)

Token

ACoconut (AC)
 

Overview

Max Total Supply

6,300,000 AC

Holders

1,293 (0.00%)

Market

Price

$0.02 @ 0.000006 ETH

Onchain Market Cap

$120,544.07

Circulating Supply Market Cap

$38,572.00

Other Info

Token Contract (WITH 18 Decimals)

Balance
0.001111123128563604 AC

Value
$0.00 ( ~0 Eth) [0.0000%]
0xbf1ac8bdd68d02b8468888828b72a274821349ce
Loading...
Loading
Loading...
Loading
Loading...
Loading

OVERVIEW

ACoconut is a suite of open protocols designed to enable frictionless movement of liquidity between decentralized systems.

Market

Volume (24H):$75.05
Market Capitalization:$38,572.00
Circulating Supply:2,015,895.00 AC
Market Data Source: Coinmarketcap

# Exchange Pair Price  24H Volume % Volume

Contract Source Code Verified (Exact Match)

Contract Name:
ACoconut

Compiler Version
v0.6.8+commit.0bbfe453

Optimization Enabled:
Yes with 250 runs

Other Settings:
default evmVersion, MIT license

Contract Source Code (Solidity)

/**
 *Submitted for verification at Etherscan.io on 2020-10-01
*/

// SPDX-License-Identifier: MIT

pragma solidity 0.6.8;


// 
/*
 * @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;
    }
}

// 
/**
 * @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);
}

// 
/**
 * @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;
    }
}

// 
/**
 * @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);
            }
        }
    }
}

// 
/**
 * @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 { }
}

// 
/**
 * @dev Extension of {ERC20} that adds a cap to the supply of tokens.
 */
abstract contract ERC20Capped is ERC20 {
    uint256 private _cap;

    /**
     * @dev Sets the value of the `cap`. This value is immutable, it can only be
     * set once during construction.
     */
    constructor (uint256 cap) public {
        require(cap > 0, "ERC20Capped: cap is 0");
        _cap = cap;
    }

    /**
     * @dev Returns the cap on the token's total supply.
     */
    function cap() public view returns (uint256) {
        return _cap;
    }

    /**
     * @dev See {ERC20-_beforeTokenTransfer}.
     *
     * Requirements:
     *
     * - minted tokens must not cause the total supply to go over the cap.
     */
    function _beforeTokenTransfer(address from, address to, uint256 amount) internal virtual override {
        super._beforeTokenTransfer(from, to, amount);

        if (from == address(0)) { // When minting tokens
            require(totalSupply().add(amount) <= _cap, "ERC20Capped: cap exceeded");
        }
    }
}

// 
/**
 * @dev ACoconut token.
 * Credits:
 * 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
 */
contract ACoconut is ERC20Capped {
    event MinterUpdated(address indexed account, bool allowed);
    
    address public governance;
    mapping(address => bool) public minters;

    /// @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 => uint256) 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, uint256 previousBalance, uint256 newBalance);

    constructor() public ERC20("ACoconut", "AC") ERC20Capped(21000000 * 10 ** 18) {
        governance = msg.sender;
    }

    /**
     * @dev Updates the govenance address.
     */
    function setGovernance(address _governance) public {
        require(msg.sender == governance, "not governance");
        governance = _governance;
    }

    /**
     * @dev Sets minter for AC token. Only minter can mint AC tokens.
     * @param _user Address of the minter.
     * @param _allowed Whether the user is accepted as a minter or not.
     */
    function setMinter(address _user, bool _allowed) public {
        require(msg.sender == governance, "not governance");
        minters[_user] = _allowed;

        emit MinterUpdated(_user, _allowed);
    }

    /**
     * @dev Mints new AC tokens.
     * @param _user Recipient of the minted AC token.
     * @param _amount Amount of AC token to mint.
     */
    function mint(address _user, uint256 _amount) public {
        require(minters[msg.sender], "not minter");
        _mint(_user, _amount);
        _moveDelegates(address(0), _delegates[_user], _amount);
    }

    /**
     * @dev Burns AC token from the caller's account.
     * @param _amount Amount of AC token to burn.
     */
    function burn(uint256 _amount) public {
        _burn(msg.sender, _amount);
        _moveDelegates(_delegates[msg.sender], address(0), _amount);
    }

    /**
     * @dev Transfers AC token to another address.
     * @param _recipient Receiver address for the AC token.
     * @param _amount Amount of token to transfer.
     */
    function transfer(address _recipient, uint256 _amount) public override returns (bool) {
        super.transfer(_recipient, _amount);
        _moveDelegates(_delegates[msg.sender], _delegates[_recipient], _amount);
        return true;
    }

    /**
     * @dev Transfers AC token from one account to another address. Caller must have sufficient allowance from the sender account.
     * @param _sender Sender address for the AC token.
     * @param _recipient Receiver address for the AC token.
     * @param _amount Amount of token to transfer.
     */
    function transferFrom(address _sender, address _recipient, uint256 _amount) public override returns (bool) {
        super.transferFrom(_sender, _recipient, _amount);
        _moveDelegates(_delegates[_sender], _delegates[_recipient], _amount);
        return true;
    }

    /**
     * @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), "delegateBySig: invalid signature");
        require(nonce == nonces[signatory]++, "delegateBySig: invalid nonce");
        require(now <= expiry, "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, "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);
        _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, "_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 (uint256) {
        uint256 chainId;
        assembly { chainId := chainid() }
        return chainId;
    }
}

Contract Security Audit

Contract ABI

[{"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":"account","type":"address"},{"indexed":false,"internalType":"bool","name":"allowed","type":"bool"}],"name":"MinterUpdated","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":[],"name":"cap","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","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":[],"name":"governance","outputs":[{"internalType":"address","name":"","type":"address"}],"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":"_user","type":"address"},{"internalType":"uint256","name":"_amount","type":"uint256"}],"name":"mint","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"minters","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","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":[{"internalType":"address","name":"_governance","type":"address"}],"name":"setGovernance","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_user","type":"address"},{"internalType":"bool","name":"_allowed","type":"bool"}],"name":"setMinter","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"}]

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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.