Contract 0x8216E362d07741b562eBB02C61b1659B6B1258aD

Contract Overview

Balance:
0 CRO

CRO Value:
$0.00

Token:
Txn Hash Method
Block
From
To
Value [Txn Fee]
0x113bd8e4113a416be10df628e7f00d84e63631fb6ff1f6a80c143d2a4399723fEnter75014092023-03-21 21:13:406 hrs 57 mins ago0xfa5c412bfa260bd49b407bc09d44964e5b35addb IN  0x8216e362d07741b562ebb02c61b1659b6b1258ad0 CRO0.263898107010
0x3dd842c71350eb84799003489d5961865643c133c9903b705a9a1d936e7cfff0Enter74939462023-03-21 9:31:0518 hrs 40 mins ago0x996c78e48ce62b29a8ff15bbcea95f9fdead1ef5 IN  0x8216e362d07741b562ebb02c61b1659b6b1258ad0 CRO0.28687163021 4,788.935949953
0x9233da5adc237c5516623679f876642049340ca3c0064310fbd49193d7f9825bEnter74854022023-03-20 20:06:461 day 8 hrs ago0x92055be44c1e53bf7015947ea0bd5dd3f04f0505 IN  0x8216e362d07741b562ebb02c61b1659b6b1258ad0 CRO0.2639386923370
0xa7fe73034361618df6f38061a2802eb9f9ce6f6011457535db0d8154596d368aEnter74852472023-03-20 19:52:091 day 8 hrs ago0x65ba081e5387b2685045b4b31a4738bf925180ad IN  0x8216e362d07741b562ebb02c61b1659b6b1258ad0 CRO0.345919425634 4,789.336752664
0xef1ca2d0136c76308f4a3bb51ef3daf68ff0da387abb7a362dddd106a5542b5aEnter74827022023-03-20 15:51:591 day 12 hrs ago0x21a7fddb21429a8525b88215534ee0713fd30b46 IN  0x8216e362d07741b562ebb02c61b1659b6b1258ad0 CRO0.3457619953480
0x4ff7ad665ea13cbc8d857dd8bf1d60b0d289daeeb0018aee73df858a533216f1Enter74780202023-03-20 8:30:501 day 19 hrs ago0xc7abd310f1b3304bdb8b35538ed6f803c8091db9 IN  0x8216e362d07741b562ebb02c61b1659b6b1258ad0 CRO0.26409749189 4,789.66778307
0x4ff18126ae60e78354bc78475ce18aeed0837a521a29852fd9d428bedb7feff3Enter74726732023-03-20 0:06:502 days 4 hrs ago0x5e8ecc526c7091a46d3bc337f54ca23ee48411d9 IN  0x8216e362d07741b562ebb02c61b1659b6b1258ad0 CRO0.345960946341 4,789.911616734
0xd256adbe4eabb5ca77a83676071960c9e2e5f2149e0a3db034df6517b77a0cd7Leave74703192023-03-19 20:25:062 days 7 hrs ago0x2e0216a48b5e37c26a56166ad04cabec701672e7 IN  0x8216e362d07741b562ebb02c61b1659b6b1258ad0 CRO0.311975846305 4,820.76560775
0x1de37d81b02b3b21ac1db9e74476834af566e30e8b3fe0893ce75bab42a46782Enter74689322023-03-19 18:14:272 days 9 hrs ago0xfa5c412bfa260bd49b407bc09d44964e5b35addb IN  0x8216e362d07741b562ebb02c61b1659b6b1258ad0 CRO0.2639801398560
0xd41dba56aa705ddb3d70b5a7dd8d2945ced4316bdfdecd1265e2b497fdf7eb26Leave74674432023-03-19 15:54:022 days 12 hrs ago0x42b268220cd777b0a39f98fbec744f6a66acfe18 IN  0x8216e362d07741b562ebb02c61b1659b6b1258ad0 CRO0.3098973913640
0x5824fcc293490ca0c480ed6988d1b38c69489e092fdd4ee7f9c2a6a072f79d15Leave74670292023-03-19 15:15:052 days 12 hrs ago0x65813dd85fd99117de2cb05b3e33583cd5b46300 IN  0x8216e362d07741b562ebb02c61b1659b6b1258ad0 CRO0.251019137915 4,790.167317052
0xaccf78f18241c222a183b9bf2140c3507420bcce2a636cbaeafa640e8299162dLeave74666982023-03-19 14:43:552 days 13 hrs ago0x65813dd85fd99117de2cb05b3e33583cd5b46300 IN  0x8216e362d07741b562ebb02c61b1659b6b1258ad0 CRO0.251134892488 4,790.182396264
0xca12b430d97ef8715abd33a057d2c7093fd25ef2f5a0e6b708efa52419f4f8ccEnter74661702023-03-19 13:54:112 days 14 hrs ago0x42b268220cd777b0a39f98fbec744f6a66acfe18 IN  0x8216e362d07741b562ebb02c61b1659b6b1258ad0 CRO0.2639870379650
0xfba4633a5b8dd9f0999b7b7fb9ec8f1885f582eadbace723469173bf50c5e1acEnter74632022023-03-19 9:14:362 days 18 hrs ago0x63a6afd857e541b731c90f153a81539e06d295c5 IN  0x8216e362d07741b562ebb02c61b1659b6b1258ad0 CRO0.2639945136060
0xcf7127317850dd6e155348155db1d17d947688d5fb6791893c69943daa5609bcEnter74615402023-03-19 6:38:072 days 21 hrs ago0xaebe1dabbe47181b674057eb8550c281eaf44c5c IN  0x8216e362d07741b562ebb02c61b1659b6b1258ad0 CRO0.264138891089 4,790.418598267
0x4617342df31204ef7862f0fbd89e72b69ed3914ddb994051edb3d376d068a2d2Leave74614802023-03-19 6:32:282 days 21 hrs ago0xaebe1dabbe47181b674057eb8550c281eaf44c5c IN  0x8216e362d07741b562ebb02c61b1659b6b1258ad0 CRO0.333063626218 4,790.42136463
0x3f99424de6ec25bca36c3d11421a7a4bbb7bcec2f0b621eeb79dd74b0e2be419Enter74606612023-03-19 5:15:242 days 22 hrs ago0x927ecd3e8995b545dca211ddf4676101e6bc87a1 IN  0x8216e362d07741b562ebb02c61b1659b6b1258ad0 CRO0.346000499544 4,790.459240234
0x62d9314e637a9fab3e5ee26004785d12c4d5be762c245d82441063799e229fc1Leave74525032023-03-18 16:27:073 days 11 hrs ago0xddce781bb280f572a7518e776fd25ba4da22b0b2 IN  0x8216e362d07741b562ebb02c61b1659b6b1258ad0 CRO0.3099991858940
0x625085464681582a29bc4122cf3d28a04206da15d6dfb913b049969d33fc0df1Enter74522712023-03-18 16:05:143 days 12 hrs ago0xa07945a411547b5f48f31ddd938c0e58cb4d618d IN  0x8216e362d07741b562ebb02c61b1659b6b1258ad0 CRO0.264104846833 4,790.843812169
0x8aa7ccfd1f4fa18d10b34ecfae23b30ac128b9a0d0dfbe53465d32f6d472b39aEnter74500152023-03-18 12:32:373 days 15 hrs ago0x8261ee9de185d850c8f1b1d30997c4e9c5e5adf1 IN  0x8216e362d07741b562ebb02c61b1659b6b1258ad0 CRO0.264110506729 4,790.946482296
0xa2a68ae1dbefd9300fd12910e7f96578f369703788ae9842648084f9cd64e79fEnter74440092023-03-18 3:07:054 days 1 hr ago0x195a75eeba494b8b2bdfd0ede88635abfa778424 IN  0x8216e362d07741b562ebb02c61b1659b6b1258ad0 CRO0.2640430621890
0x4afa7b15507066af196f790f9d554ae98e1118ef65559bbcbb3a76432c5c191eLeave74381822023-03-17 17:57:534 days 10 hrs ago0x9042266c00d6fe1975f0a24d4564bd34fb362d07 IN  0x8216e362d07741b562ebb02c61b1659b6b1258ad0 CRO0.309926514370
0xb245d2e8dcf79c8ddb7cd137fe0157e17cb1bf99feda035c821372e0aaf841bfEnter74380792023-03-17 17:48:084 days 10 hrs ago0xfa5c412bfa260bd49b407bc09d44964e5b35addb IN  0x8216e362d07741b562ebb02c61b1659b6b1258ad0 CRO0.2640578574150
0x98f52919e09b576b5e730f4ae9f7f89e9ec60c68e8b2dc43b9e01b72936a7ddaEnter74377662023-03-17 17:18:404 days 10 hrs ago0xd1d373a6de19f0f8113aa3c677ddb4da4f529d45 IN  0x8216e362d07741b562ebb02c61b1659b6b1258ad0 CRO0.346018574989 4,791.505573487
0x8185e68f54652cf02104592a8723d2cc4a373b2dfa73b1f6a5d08e84c6324d58Enter74270172023-03-17 0:24:325 days 3 hrs ago0x42b268220cd777b0a39f98fbec744f6a66acfe18 IN  0x8216e362d07741b562ebb02c61b1659b6b1258ad0 CRO0.264084770340
[ Download CSV Export 
Parent Txn Hash Block From To Value
Loading

Contract Source Code Verified (Exact Match)

Contract Name:
VersaBar

Compiler Version
v0.6.12+commit.27d51765

Optimization Enabled:
Yes with 200 runs

Other Settings:
default evmVersion, None license

Contract Source Code (Solidity)

/**
 *Submitted for verification at cronoscan.com on 2022-04-20
*/

// Using  "@openzeppelin/contracts": "^3.1.0"

// File: @openzeppelin/contracts/token/ERC20/IERC20.sol


pragma solidity ^0.6.0;

/**
 * @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);
}

// File: @openzeppelin/contracts/GSN/Context.sol

/**
 * @title SafeERC20
 * @dev Wrappers around ERC20 operations that throw on failure (when the token
 * contract returns false). Tokens that return no value (and instead revert or
 * throw on failure) are also supported, non-reverting calls are assumed to be
 * successful.
 * To use this library you can add a `using SafeERC20 for IERC20;` statement to your contract,
 * which allows you to call the safe operations as `token.safeTransfer(...)`, etc.
 */
library SafeERC20 {
    using SafeMath for uint256;
    using Address for address;

    function safeTransfer(IERC20 token, address to, uint256 value) internal {
        _callOptionalReturn(token, abi.encodeWithSelector(token.transfer.selector, to, value));
    }

    function safeTransferFrom(IERC20 token, address from, address to, uint256 value) internal {
        _callOptionalReturn(token, abi.encodeWithSelector(token.transferFrom.selector, from, to, value));
    }

    /**
     * @dev Deprecated. This function has issues similar to the ones found in
     * {IERC20-approve}, and its usage is discouraged.
     *
     * Whenever possible, use {safeIncreaseAllowance} and
     * {safeDecreaseAllowance} instead.
     */
    function safeApprove(IERC20 token, address spender, uint256 value) internal {
        // safeApprove should only be called when setting an initial allowance,
        // or when resetting it to zero. To increase and decrease it, use
        // 'safeIncreaseAllowance' and 'safeDecreaseAllowance'
        // solhint-disable-next-line max-line-length
        require((value == 0) || (token.allowance(address(this), spender) == 0),
            "SafeERC20: approve from non-zero to non-zero allowance"
        );
        _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, value));
    }

    function safeIncreaseAllowance(IERC20 token, address spender, uint256 value) internal {
        uint256 newAllowance = token.allowance(address(this), spender).add(value);
        _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance));
    }

    function safeDecreaseAllowance(IERC20 token, address spender, uint256 value) internal {
        uint256 newAllowance = token.allowance(address(this), spender).sub(value, "SafeERC20: decreased allowance below zero");
        _callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance));
    }

    /**
     * @dev Imitates a Solidity high-level call (i.e. a regular function call to a contract), relaxing the requirement
     * on the return value: the return value is optional (but if data is returned, it must not be false).
     * @param token The token targeted by the call.
     * @param data The call data (encoded using abi.encode or one of its variants).
     */
    function _callOptionalReturn(IERC20 token, bytes memory data) private {
        // We need to perform a low level call here, to bypass Solidity's return data size checking mechanism, since
        // we're implementing it ourselves. We use {Address.functionCall} to perform this call, which verifies that
        // the target address contains contract code and also asserts for success in the low-level call.

        bytes memory returndata = address(token).functionCall(data, "SafeERC20: low-level call failed");
        if (returndata.length > 0) { // Return data is optional
            // solhint-disable-next-line max-line-length
            require(abi.decode(returndata, (bool)), "SafeERC20: ERC20 operation did not succeed");
        }
    }
}



pragma solidity ^0.6.0;

/*
 * @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;
    }
}

// File: @openzeppelin/contracts/math/SafeMath.sol



pragma solidity ^0.6.0;

/**
 * @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;
    }
}

// File: @openzeppelin/contracts/utils/Address.sol



pragma solidity ^0.6.2;

/**
 * @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);
            }
        }
    }
}

// File: @openzeppelin/contracts/token/ERC20/ERC20.sol



pragma solidity ^0.6.0;





/**
 * @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 { }
}

// File: contracts/VersaBar.sol

pragma solidity 0.6.12;





contract VersaBar is ERC20("VersaBar", "xVERSA"){
    using SafeMath for uint256;
    using SafeERC20 for IERC20;
    IERC20 immutable public versa;

    // Define the Versa token contract
    constructor(IERC20 _versa) public {
        versa = _versa;
    }

    // Enter the bar. Pay some VERSAs. Earn some shares.
    // Locks Versa and mints xVersa
    function enter(uint256 _amount) public {
        // Gets the amount of Versa locked in the contract
        uint256 totalVersa = versa.balanceOf(address(this));
        // Gets the amount of xVersa in existence
        uint256 totalShares = totalSupply();
        // If no xVersa exists, mint it 1:1 to the amount put in
        if (totalShares == 0 || totalVersa == 0) {
            _mint(msg.sender, _amount);
        } 
        // Calculate and mint the amount of xVersa the Versa is worth. The ratio will change overtime, as xVersa is burned/minted and Versa deposited + gained from fees / withdrawn.
        else {
            uint256 what = _amount.mul(totalShares).div(totalVersa);
            _mint(msg.sender, what);
        }
        // Lock the Versa in the contract
        versa.safeTransferFrom(msg.sender, address(this), _amount);
    }

    // Leave the bar. Claim back your VERSAs.
    // Unlocks the staked + gained Versa and burns xVersa
    function leave(uint256 _share) public {
        // Gets the amount of xVersa in existence
        uint256 totalShares = totalSupply();
        // Calculates the amount of Versa the xVersa is worth
        uint256 what = _share.mul(versa.balanceOf(address(this))).div(totalShares);
        _burn(msg.sender, _share);
        versa.safeTransfer(msg.sender, what);
    }
}

Contract ABI

[{"inputs":[{"internalType":"contract IERC20","name":"_versa","type":"address"}],"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":"from","type":"address"},{"indexed":true,"internalType":"address","name":"to","type":"address"},{"indexed":false,"internalType":"uint256","name":"value","type":"uint256"}],"name":"Transfer","type":"event"},{"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":[],"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":"uint256","name":"_amount","type":"uint256"}],"name":"enter","outputs":[],"stateMutability":"nonpayable","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":"uint256","name":"_share","type":"uint256"}],"name":"leave","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"name","outputs":[{"internalType":"string","name":"","type":"string"}],"stateMutability":"view","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":[],"name":"versa","outputs":[{"internalType":"contract IERC20","name":"","type":"address"}],"stateMutability":"view","type":"function"}]

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

Constructor Arguments (ABI-Encoded and is the last bytes of the Contract Creation Code above)

00000000000000000000000000d7699b71290094ccb1a5884cd835bd65a78c17

-----Decoded View---------------
Arg [0] : _versa (address): 0x00d7699b71290094ccb1a5884cd835bd65a78c17

-----Encoded View---------------
1 Constructor Arguments found :
Arg [0] : 00000000000000000000000000d7699b71290094ccb1a5884cd835bd65a78c17


Deployed ByteCode Sourcemap

30168:1727:0:-:0;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;21281:83;;;:::i;:::-;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;23387:169;;;;;;;;;;;;;;;;-1:-1:-1;;;;;;23387:169:0;;;;;;;;:::i;:::-;;;;;;;;;;;;;;;;;;22356:100;;;:::i;:::-;;;;;;;;;;;;;;;;24030:321;;;;;;;;;;;;;;;;-1:-1:-1;;;;;;24030:321:0;;;;;;;;;;;;;;;;;:::i;22208:83::-;;;:::i;:::-;;;;;;;;;;;;;;;;;;;24760:218;;;;;;;;;;;;;;;;-1:-1:-1;;;;;;24760:218:0;;;;;;;;:::i;31518:374::-;;;;;;;;;;;;;;;;-1:-1:-1;31518:374:0;;:::i;:::-;;22519:119;;;;;;;;;;;;;;;;-1:-1:-1;22519:119:0;-1:-1:-1;;;;;22519:119:0;;:::i;30289:29::-;;;:::i;:::-;;;;-1:-1:-1;;;;;30289:29:0;;;;;;;;;;;;;;21483:87;;;:::i;25481:269::-;;;;;;;;;;;;;;;;-1:-1:-1;;;;;;25481:269:0;;;;;;;;:::i;30537:867::-;;;;;;;;;;;;;;;;-1:-1:-1;30537:867:0;;:::i;22851:175::-;;;;;;;;;;;;;;;;-1:-1:-1;;;;;;22851:175:0;;;;;;;;:::i;23089:151::-;;;;;;;;;;;;;;;;-1:-1:-1;;;;;;23089:151:0;;;;;;;;;;:::i;21281:83::-;21351:5;21344:12;;;;;;;;-1:-1:-1;;21344:12:0;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;21318:13;;21344:12;;21351:5;;21344:12;;21351:5;21344:12;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;21281:83;:::o;23387:169::-;23470:4;23487:39;23496:12;:10;:12::i;:::-;23510:7;23519:6;23487:8;:39::i;:::-;-1:-1:-1;23544:4:0;23387:169;;;;;:::o;22356:100::-;22436:12;;22356:100;:::o;24030:321::-;24136:4;24153:36;24163:6;24171:9;24182:6;24153:9;:36::i;:::-;24200:121;24209:6;24217:12;:10;:12::i;:::-;24231:89;24269:6;24231:89;;;;;;;;;;;;;;;;;-1:-1:-1;;;;;24231:19:0;;;;;;:11;:19;;;;;;24251:12;:10;:12::i;:::-;-1:-1:-1;;;;;24231:33:0;;;;;;;;;;;;-1:-1:-1;24231:33:0;;;:89;:37;:89::i;:::-;24200:8;:121::i;:::-;-1:-1:-1;24339:4:0;24030:321;;;;;:::o;22208:83::-;22274:9;;;;22208:83;:::o;24760:218::-;24848:4;24865:83;24874:12;:10;:12::i;:::-;24888:7;24897:50;24936:10;24897:11;:25;24909:12;:10;:12::i;:::-;-1:-1:-1;;;;;24897:25:0;;;;;;;;;;;;;;;;;-1:-1:-1;24897:25:0;;;:34;;;;;;;;;;;:38;:50::i;31518:374::-;31618:19;31640:13;:11;:13::i;:::-;31618:35;;31727:12;31742:59;31789:11;31742:42;31753:5;-1:-1:-1;;;;;31753:15:0;;31777:4;31753:30;;;;;;;;;;;;;-1:-1:-1;;;;;31753:30:0;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;-1:-1:-1;31753:30:0;31742:6;;:10;:42::i;:::-;:46;;:59::i;:::-;31727:74;;31812:25;31818:10;31830:6;31812:5;:25::i;:::-;31848:36;-1:-1:-1;;;;;31848:5:0;:18;31867:10;31879:4;31848:18;:36::i;:::-;31518:374;;;:::o;22519:119::-;-1:-1:-1;;;;;22612:18:0;22585:7;22612:18;;;;;;;;;;;;22519:119::o;30289:29::-;;;:::o;21483:87::-;21555:7;21548:14;;;;;;;;-1:-1:-1;;21548:14:0;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;21522:13;;21548:14;;21555:7;;21548:14;;21555:7;21548:14;;;;;;;;;;;;;;;;;;;;;;;;25481:269;25574:4;25591:129;25600:12;:10;:12::i;:::-;25614:7;25623:96;25662:15;25623:96;;;;;;;;;;;;;;;;;:11;:25;25635:12;:10;:12::i;:::-;-1:-1:-1;;;;;25623:25:0;;;;;;;;;;;;;;;;;-1:-1:-1;25623:25:0;;;:34;;;;;;;;;;;:96;:38;:96::i;30537:867::-;30647:18;30668:5;-1:-1:-1;;;;;30668:15:0;;30692:4;30668:30;;;;;;;;;;;;;-1:-1:-1;;;;;30668:30:0;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;-1:-1:-1;30668:30:0;;-1:-1:-1;30760:19:0;30782:13;:11;:13::i;:::-;30760:35;-1:-1:-1;30876:16:0;;;:35;;-1:-1:-1;30896:15:0;;30876:35;30872:413;;;30928:26;30934:10;30946:7;30928:5;:26::i;:::-;30872:413;;;31180:12;31195:40;31224:10;31195:24;:7;31207:11;31195;:24::i;:40::-;31180:55;;31250:23;31256:10;31268:4;31250:5;:23::i;:::-;30872:413;;31338:58;-1:-1:-1;;;;;31338:5:0;:22;31361:10;31381:4;31388:7;31338:22;:58::i;22851:175::-;22937:4;22954:42;22964:12;:10;:12::i;:::-;22978:9;22989:6;22954:9;:42::i;23089:151::-;-1:-1:-1;;;;;23205:18:0;;;23178:7;23205:18;;;:11;:18;;;;;;;;:27;;;;;;;;;;;;;23089:151::o;7108:106::-;7196:10;7108:106;:::o;28628:346::-;-1:-1:-1;;;;;28730:19:0;;28722:68;;;;-1:-1:-1;;;28722:68:0;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;-1:-1:-1;;;;;28809:21:0;;28801:68;;;;-1:-1:-1;;;28801:68:0;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;-1:-1:-1;;;;;28882:18:0;;;;;;;:11;:18;;;;;;;;:27;;;;;;;;;;;;;:36;;;28934:32;;;;;;;;;;;;;;;;;28628:346;;;:::o;26240:539::-;-1:-1:-1;;;;;26346:20:0;;26338:70;;;;-1:-1:-1;;;26338:70:0;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;-1:-1:-1;;;;;26427:23:0;;26419:71;;;;-1:-1:-1;;;26419:71:0;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;26503:47;26524:6;26532:9;26543:6;26503:20;:47::i;:::-;26583:71;26605:6;26583:71;;;;;;;;;;;;;;;;;-1:-1:-1;;;;;26583:17:0;;:9;:17;;;;;;;;;;;;:71;:21;:71::i;:::-;-1:-1:-1;;;;;26563:17:0;;;:9;:17;;;;;;;;;;;:91;;;;26688:20;;;;;;;:32;;26713:6;26688:24;:32::i;:::-;-1:-1:-1;;;;;26665:20:0;;;:9;:20;;;;;;;;;;;;:55;;;;26736:35;;;;;;;26665:20;;26736:35;;;;;;;;;;;;;26240:539;;;:::o;9290:192::-;9376:7;9412:12;9404:6;;;;9396:29;;;;-1:-1:-1;;;9396:29:0;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;-1:-1:-1;;;9448:5:0;;;9290:192::o;8387:181::-;8445:7;8477:5;;;8501:6;;;;8493:46;;;;;-1:-1:-1;;;8493:46:0;;;;;;;;;;;;;;;;;;;;;;;;;;;;8559:1;8387:181;-1:-1:-1;;;8387:181:0:o;9741:471::-;9799:7;10044:6;10040:47;;-1:-1:-1;10074:1:0;10067:8;;10040:47;10111:5;;;10115:1;10111;:5;:1;10135:5;;;;;:10;10127:56;;;;-1:-1:-1;;;10127:56:0;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;10688:132;10746:7;10773:39;10777:1;10780;10773:39;;;;;;;;;;;;;;;;;:3;:39::i;27770:418::-;-1:-1:-1;;;;;27854:21:0;;27846:67;;;;-1:-1:-1;;;27846:67:0;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;27926:49;27947:7;27964:1;27968:6;27926:20;:49::i;:::-;28009:68;28032:6;28009:68;;;;;;;;;;;;;;;;;-1:-1:-1;;;;;28009:18:0;;:9;:18;;;;;;;;;;;;:68;:22;:68::i;:::-;-1:-1:-1;;;;;27988:18:0;;:9;:18;;;;;;;;;;:89;28103:12;;:24;;28120:6;28103:16;:24::i;:::-;28088:12;:39;28143:37;;;;;;;;28169:1;;-1:-1:-1;;;;;28143:37:0;;;;;;;;;;;;27770:418;;:::o;3461:177::-;3571:58;;;-1:-1:-1;;;;;3571:58:0;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;-1:-1:-1;;;;;3571:58:0;-1:-1:-1;;;3571:58:0;;;3544:86;;3564:5;;3544:19;:86::i;27060:378::-;-1:-1:-1;;;;;27144:21:0;;27136:65;;;;;-1:-1:-1;;;27136:65:0;;;;;;;;;;;;;;;;;;;;;;;;;;;;27214:49;27243:1;27247:7;27256:6;27214:20;:49::i;:::-;27291:12;;:24;;27308:6;27291:16;:24::i;:::-;27276:12;:39;-1:-1:-1;;;;;27347:18:0;;:9;:18;;;;;;;;;;;:30;;27370:6;27347:22;:30::i;:::-;-1:-1:-1;;;;;27326:18:0;;:9;:18;;;;;;;;;;;:51;;;;27393:37;;;;;;;27326:18;;:9;;27393:37;;;;;;;;;;27060:378;;:::o;3646:205::-;3774:68;;;-1:-1:-1;;;;;3774:68:0;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;-1:-1:-1;;;;;3774:68:0;-1:-1:-1;;;3774:68:0;;;3747:96;;3767:5;;3747:19;:96::i;:::-;3646:205;;;;:::o;11316:278::-;11402:7;11437:12;11430:5;11422:28;;;;-1:-1:-1;;;11422:28:0;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;11461:9;11477:1;11473;:5;;;;;;;11316:278;-1:-1:-1;;;;;11316:278:0:o;8851:136::-;8909:7;8936:43;8940:1;8943;8936:43;;;;;;;;;;;;;;;;;:3;:43::i;5766:761::-;6190:23;6216:69;6244:4;6216:69;;;;;;;;;;;;;;;;;6224:5;-1:-1:-1;;;;;6216:27:0;;;:69;;;;;:::i;:::-;6300:17;;6190:95;;-1:-1:-1;6300:21:0;6296:224;;6442:10;6431:30;;;;;;;;;;;;;;;-1:-1:-1;6431:30:0;6423:85;;;;-1:-1:-1;;;6423:85:0;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;16728:196;16831:12;16863:53;16886:6;16894:4;16900:1;16903:12;16863:22;:53::i;:::-;16856:60;16728:196;-1:-1:-1;;;;16728:196:0:o;18105:979::-;18235:12;18268:18;18279:6;18268:10;:18::i;:::-;18260:60;;;;;-1:-1:-1;;;18260:60:0;;;;;;;;;;;;;;;;;;;;;;;;;;;;18394:12;18408:23;18435:6;-1:-1:-1;;;;;18435:11:0;18455:8;18466:4;18435:36;;;;;;;;;;;;;;;;;;;;;;;-1:-1:-1;;18435:36:0;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;18393:78;;;;18486:7;18482:595;;;18517:10;-1:-1:-1;18510:17:0;;-1:-1:-1;18510:17:0;18482:595;18631:17;;:21;18627:439;;18894:10;18888:17;18955:15;18942:10;18938:2;18934:19;18927:44;18842:148;19030:20;;-1:-1:-1;;;19030:20:0;;;;;;;;;;;;;;;;;19037:12;;19030:20;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;13613:619;13673:4;14141:20;;13984:66;14181:23;;;;;;:42;;-1:-1:-1;;14208:15:0;;;14173:51;-1:-1:-1;;13613:619:0:o

Swarm Source

ipfs://3f057be2156cfe229f08607685e68a938e999fc107f9ab606d4c125fc8da91e3
Block Transaction Gas Used Reward
Age Block Fee Address BC Fee Address Voting Power Jailed Incoming
Block Uncle Number Difficulty Gas Used Reward
Loading
Make sure to use the "Vote Down" button for any spammy posts, and the "Vote Up" for interesting conversations.