Contract Source Code (Solidity)

IDE

• Blockscan IDE
• 🤖 Code ReaderBeta
• Remix IDE

More Options

• Similar
• Sol2Uml
• Submit Audit
• Compare

/**
 *Submitted for verification at Etherscan.io on 2020-12-17
*/

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

// SPDX-License-Identifier: MIT

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/access/Ownable.sol

/**
 * @dev Contract module which provides a basic access control mechanism, where
 * there is an account (an owner) that can be granted exclusive access to
 * specific functions.
 *
 * By default, the owner account will be the one that deploys the contract. This
 * can later be changed with {transferOwnership}.
 *
 * This module is used through inheritance. It will make available the modifier
 * `onlyOwner`, which can be applied to your functions to restrict their use to
 * the owner.
 */
contract Ownable is Context {
    address private _owner;

    event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);

    /**
     * @dev Initializes the contract setting the deployer as the initial owner.
     */
    constructor () internal {
        address msgSender = _msgSender();
        _owner = msgSender;
        emit OwnershipTransferred(address(0), msgSender);
    }

    /**
     * @dev Returns the address of the current owner.
     */
    function owner() public view returns (address) {
        return _owner;
    }

    /**
     * @dev Throws if called by any account other than the owner.
     */
    modifier onlyOwner() {
        require(_owner == _msgSender(), "Ownable: caller is not the owner");
        _;
    }

    /**
     * @dev Leaves the contract without owner. It will not be possible to call
     * `onlyOwner` functions anymore. Can only be called by the current owner.
     *
     * NOTE: Renouncing ownership will leave the contract without an owner,
     * thereby removing any functionality that is only available to the owner.
     */
    function renounceOwnership() public virtual onlyOwner {
        emit OwnershipTransferred(_owner, address(0));
        _owner = address(0);
    }

    /**
     * @dev Transfers ownership of the contract to a new account (`newOwner`).
     * Can only be called by the current owner.
     */
    function transferOwnership(address newOwner) public virtual onlyOwner {
        require(newOwner != address(0), "Ownable: new owner is the zero address");
        emit OwnershipTransferred(_owner, newOwner);
        _owner = newOwner;
    }
}

// File: contracts/proxy/Proxy.sol


/**
 * @title Proxy
 * @dev Implements delegation of calls to other contracts, with proper
 * forwarding of return values and bubbling of failures.
 * It defines a fallback function that delegates all calls to the address
 * returned by the abstract _implementation() internal function.
 */
abstract contract Proxy {
    /**
     * @dev Fallback function.
     * Implemented entirely in `_fallback`.
     */
    fallback () payable external {
        _fallback();
    }

    /**
     * @dev Receive function.
     * Implemented entirely in `_fallback`.
     */
    receive () payable external {
        _fallback();
    }

    /**
     * @return The Address of the implementation.
     */
    function _implementation() internal virtual view returns (address);

    /**
     * @dev Delegates execution to an implementation contract.
     * This is a low level function that doesn't return to its internal call site.
     * It will return to the external caller whatever the implementation returns.
     * @param implementation Address to delegate.
     */
    function _delegate(address implementation) internal {
        assembly {
        // Copy msg.data. We take full control of memory in this inline assembly
        // block because it will not return to Solidity code. We overwrite the
        // Solidity scratch pad at memory position 0.
            calldatacopy(0, 0, calldatasize())

        // Call the implementation.
        // out and outsize are 0 because we don't know the size yet.
            let result := delegatecall(gas(), implementation, 0, calldatasize(), 0, 0)

        // Copy the returned data.
            returndatacopy(0, 0, returndatasize())

            switch result
            // delegatecall returns 0 on error.
            case 0 { revert(0, returndatasize()) }
            default { return(0, returndatasize()) }
        }
    }

    /**
     * @dev Function that is run as the first thing in the fallback function.
     * Can be redefined in derived contracts to add functionality.
     * Redefinitions must call super._willFallback().
     */
    function _willFallback() internal virtual {
    }

    /**
     * @dev fallback implementation.
     * Extracted to enable manual triggering.
     */
    function _fallback() internal {
        _willFallback();
        _delegate(_implementation());
    }
}

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


/**
 * @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) {
        // This method relies in extcodesize, which returns 0 for contracts in
        // construction, since the code is only stored at the end of the
        // constructor execution.

        uint256 size;
        // solhint-disable-next-line no-inline-assembly
        assembly { size := extcodesize(account) }
        return size > 0;
    }

    /**
     * @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: contracts/proxy/UpgradeabilityProxy.sol


/**
 * @title UpgradeabilityProxy
 * @dev This contract implements a proxy that allows to change the
 * implementation address to which it will delegate.
 * Such a change is called an implementation upgrade.
 */
contract UpgradeabilityProxy is Proxy {
    /**
     * @dev Contract constructor.
     * @param _logic Address of the initial implementation.
     * @param _data Data to send as msg.data to the implementation to initialize the proxied contract.
     * It should include the signature and the parameters of the function to be called, as described in
     * https://solidity.readthedocs.io/en/v0.4.24/abi-spec.html#function-selector-and-argument-encoding.
     * This parameter is optional, if no data is given the initialization call to proxied contract will be skipped.
     */
    constructor(address _logic, bytes memory _data) public payable {
        assert(IMPLEMENTATION_SLOT == bytes32(uint256(keccak256('eip1967.proxy.implementation')) - 1));
        _setImplementation(_logic);
        if(_data.length > 0) {
            (bool success,) = _logic.delegatecall(_data);
            require(success);
        }
    }

    /**
     * @dev Emitted when the implementation is upgraded.
     * @param implementation Address of the new implementation.
     */
    event Upgraded(address indexed implementation);

    /**
     * @dev Storage slot with the address of the current implementation.
     * This is the keccak-256 hash of "eip1967.proxy.implementation" subtracted by 1, and is
     * validated in the constructor.
     */
    bytes32 internal constant IMPLEMENTATION_SLOT = 0x360894a13ba1a3210667c828492db98dca3e2076cc3735a920a3ca505d382bbc;

    /**
     * @dev Returns the current implementation.
     * @return impl Address of the current implementation
     */
    function _implementation() internal override view returns (address impl) {
        bytes32 slot = IMPLEMENTATION_SLOT;
        assembly {
            impl := sload(slot)
        }
    }

    /**
     * @dev Upgrades the proxy to a new implementation.
     * @param newImplementation Address of the new implementation.
     */
    function _upgradeTo(address newImplementation) internal {
        _setImplementation(newImplementation);
        emit Upgraded(newImplementation);
    }

    /**
     * @dev Sets the implementation address of the proxy.
     * @param newImplementation Address of the new implementation.
     */
    function _setImplementation(address newImplementation) internal {
        require(Address.isContract(newImplementation), "Cannot set a proxy implementation to a non-contract address");

        bytes32 slot = IMPLEMENTATION_SLOT;

        assembly {
            sstore(slot, newImplementation)
        }
    }
}

// File: contracts/proxy/AdminUpgradeabilityProxy.sol


/**
 * @title AdminUpgradeabilityProxy
 * @dev This contract combines an upgradeability proxy with an authorization
 * mechanism for administrative tasks.
 * All external functions in this contract must be guarded by the
 * `ifAdmin` modifier. See ethereum/solidity#3864 for a Solidity
 * feature proposal that would enable this to be done automatically.
 */
contract AdminUpgradeabilityProxy is UpgradeabilityProxy {
    /**
     * Contract constructor.
     * @param _logic address of the initial implementation.
     * @param _admin Address of the proxy administrator.
     * @param _data Data to send as msg.data to the implementation to initialize the proxied contract.
     * It should include the signature and the parameters of the function to be called, as described in
     * https://solidity.readthedocs.io/en/v0.4.24/abi-spec.html#function-selector-and-argument-encoding.
     * This parameter is optional, if no data is given the initialization call to proxied contract will be skipped.
     */
    constructor(address _logic, address _admin, bytes memory _data) UpgradeabilityProxy(_logic, _data) public payable {
        assert(ADMIN_SLOT == bytes32(uint256(keccak256('eip1967.proxy.admin')) - 1));
        _setAdmin(_admin);
    }

    /**
     * @dev Emitted when the administration has been transferred.
     * @param previousAdmin Address of the previous admin.
     * @param newAdmin Address of the new admin.
     */
    event AdminChanged(address previousAdmin, address newAdmin);

    /**
     * @dev Storage slot with the admin of the contract.
     * This is the keccak-256 hash of "eip1967.proxy.admin" subtracted by 1, and is
     * validated in the constructor.
     */

    bytes32 internal constant ADMIN_SLOT = 0xb53127684a568b3173ae13b9f8a6016e243e63b6e8ee1178d6a717850b5d6103;

    /**
     * @dev Modifier to check whether the `msg.sender` is the admin.
     * If it is, it will run the function. Otherwise, it will delegate the call
     * to the implementation.
     */
    modifier ifAdmin() {
        if (msg.sender == _admin()) {
            _;
        } else {
            _fallback();
        }
    }

    /**
     * @return The address of the proxy admin.
     */
    function admin() external ifAdmin returns (address) {
        return _admin();
    }

    /**
     * @return The address of the implementation.
     */
    function implementation() external ifAdmin returns (address) {
        return _implementation();
    }

    /**
     * @dev Changes the admin of the proxy.
     * Only the current admin can call this function.
     * @param newAdmin Address to transfer proxy administration to.
     */
    function changeAdmin(address newAdmin) external ifAdmin {
        require(newAdmin != address(0), "Cannot change the admin of a proxy to the zero address");
        emit AdminChanged(_admin(), newAdmin);
        _setAdmin(newAdmin);
    }

    /**
     * @dev Upgrade the backing implementation of the proxy.
     * Only the admin can call this function.
     * @param newImplementation Address of the new implementation.
     */
    function upgradeTo(address newImplementation) external ifAdmin {
        _upgradeTo(newImplementation);
    }

    /**
     * @dev Upgrade the backing implementation of the proxy and call a function
     * on the new implementation.
     * This is useful to initialize the proxied contract.
     * @param newImplementation Address of the new implementation.
     * @param data Data to send as msg.data in the low level call.
     * It should include the signature and the parameters of the function to be called, as described in
     * https://solidity.readthedocs.io/en/v0.4.24/abi-spec.html#function-selector-and-argument-encoding.
     */
    function upgradeToAndCall(address newImplementation, bytes calldata data) payable external ifAdmin {
        _upgradeTo(newImplementation);
        (bool success,) = newImplementation.delegatecall(data);
        require(success);
    }

    /**
     * @return adm The admin slot.
     */
    function _admin() internal view returns (address adm) {
        bytes32 slot = ADMIN_SLOT;
        assembly {
            adm := sload(slot)
        }
    }

    /**
     * @dev Sets the address of the proxy admin.
     * @param newAdmin Address of the new proxy admin.
     */
    function _setAdmin(address newAdmin) internal {
        bytes32 slot = ADMIN_SLOT;

        assembly {
            sstore(slot, newAdmin)
        }
    }

    /**
     * @dev Only fall back when the sender is not the admin.
     */
    function _willFallback() internal override virtual {
        require(msg.sender != _admin(), "Cannot call fallback function from the proxy admin");
        super._willFallback();
    }
}

// File: contracts/proxy/ProxyAdmin.sol


/**
 * @title ProxyAdmin
 * @dev This contract is the admin of a proxy, and is in charge
 * of upgrading it as well as transferring it to another admin.
 */
contract ProxyAdmin is Ownable {

    /**
     * @dev Returns the current implementation of a proxy.
     * This is needed because only the proxy admin can query it.
     * @return The address of the current implementation of the proxy.
     */
    function getProxyImplementation(AdminUpgradeabilityProxy proxy) public view returns (address) {
        // We need to manually run the static call since the getter cannot be flagged as view
        // bytes4(keccak256("implementation()")) == 0x5c60da1b
        (bool success, bytes memory returndata) = address(proxy).staticcall(hex"5c60da1b");
        require(success);
        return abi.decode(returndata, (address));
    }

    /**
     * @dev Returns the admin of a proxy. Only the admin can query it.
     * @return The address of the current admin of the proxy.
     */
    function getProxyAdmin(AdminUpgradeabilityProxy proxy) public view returns (address) {
        // We need to manually run the static call since the getter cannot be flagged as view
        // bytes4(keccak256("admin()")) == 0xf851a440
        (bool success, bytes memory returndata) = address(proxy).staticcall(hex"f851a440");
        require(success);
        return abi.decode(returndata, (address));
    }

    /**
     * @dev Changes the admin of a proxy.
     * @param proxy Proxy to change admin.
     * @param newAdmin Address to transfer proxy administration to.
     */
    function changeProxyAdmin(AdminUpgradeabilityProxy proxy, address newAdmin) public onlyOwner {
        proxy.changeAdmin(newAdmin);
    }

    /**
     * @dev Upgrades a proxy to the newest implementation of a contract.
     * @param proxy Proxy to be upgraded.
     * @param implementation the address of the Implementation.
     */
    function upgrade(AdminUpgradeabilityProxy proxy, address implementation) public onlyOwner {
        proxy.upgradeTo(implementation);
    }

    /**
     * @dev Upgrades a proxy to the newest implementation of a contract and forwards a function call to it.
     * This is useful to initialize the proxied contract.
     * @param proxy Proxy to be upgraded.
     * @param implementation Address of the Implementation.
     * @param data Data to send as msg.data in the low level call.
     * It should include the signature and the parameters of the function to be called, as described in
     * https://solidity.readthedocs.io/en/v0.4.24/abi-spec.html#function-selector-and-argument-encoding.
     */
    function upgradeAndCall(AdminUpgradeabilityProxy proxy, address implementation, bytes memory data) payable public onlyOwner {
        proxy.upgradeToAndCall{value: msg.value}(implementation, data);
    }
}

• No Contract Security Audit Submitted- Submit Audit Here

[{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"inputs":[{"internalType":"contract AdminUpgradeabilityProxy","name":"proxy","type":"address"},{"internalType":"address","name":"newAdmin","type":"address"}],"name":"changeProxyAdmin","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"contract AdminUpgradeabilityProxy","name":"proxy","type":"address"}],"name":"getProxyAdmin","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"contract AdminUpgradeabilityProxy","name":"proxy","type":"address"}],"name":"getProxyImplementation","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"contract AdminUpgradeabilityProxy","name":"proxy","type":"address"},{"internalType":"address","name":"implementation","type":"address"}],"name":"upgrade","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"contract AdminUpgradeabilityProxy","name":"proxy","type":"address"},{"internalType":"address","name":"implementation","type":"address"},{"internalType":"bytes","name":"data","type":"bytes"}],"name":"upgradeAndCall","outputs":[],"stateMutability":"payable","type":"function"}]

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

19738:2717:0:-:0;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;12:1:-1;9;2:12;19994:432:0;;5:9:-1;2:2;;;27:1;24;17:12;2:2;19994:432:0;;;;;;15:2:-1;10:3;7:11;4:2;;;31:1;28;21:12;4:2;19994:432:0;;;;;;;;;;;;;;;;;;;:::i;:::-;;;;;;;;;;;;;;;;;;;;;;;2716:148;;5:9:-1;2:2;;;27:1;24;17:12;2:2;2716:148:0;;;:::i;:::-;;21183:139;;5:9:-1;2:2;;;27:1;24;17:12;2:2;21183:139:0;;;;;;15:2:-1;10:3;7:11;4:2;;;31:1;28;21:12;4:2;21183:139:0;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;:::i;:::-;;2074:79;;5:9:-1;2:2;;;27:1;24;17:12;2:2;2074:79:0;;;:::i;:::-;;;;;;;;;;;;;;;;;;;;;;;22247:205;;;;;;15:2:-1;10:3;7:11;4:2;;;31:1;28;21:12;4:2;22247:205:0;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;27:11:-1;14;11:28;8:2;;;52:1;49;42:12;8:2;22247:205:0;;41:9:-1;34:4;18:14;14:25;11:40;8:2;;;64:1;61;54:12;8:2;22247:205:0;;;;;;100:9:-1;95:1;81:12;77:20;67:8;63:35;60:50;39:11;25:12;22:29;11:107;8:2;;;131:1;128;121:12;8:2;22247:205:0;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;30:3:-1;22:6;14;1:33;99:1;93:3;85:6;81:16;74:27;137:4;133:9;126:4;121:3;117:14;113:30;106:37;;169:3;161:6;157:16;147:26;;22247:205:0;;;;;;;;;;;;;;;:::i;:::-;;21530:140;;5:9:-1;2:2;;;27:1;24;17:12;2:2;21530:140:0;;;;;;15:2:-1;10:3;7:11;4:2;;;31:1;28;21:12;4:2;21530:140:0;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;:::i;:::-;;3019:244;;5:9:-1;2:2;;;27:1;24;17:12;2:2;3019:244:0;;;;;;15:2:-1;10:3;7:11;4:2;;;31:1;28;21:12;4:2;3019:244:0;;;;;;;;;;;;;;;;;;;:::i;:::-;;20587:414;;5:9:-1;2:2;;;27:1;24;17:12;2:2;20587:414:0;;;;;;15:2:-1;10:3;7:11;4:2;;;31:1;28;21:12;4:2;20587:414:0;;;;;;;;;;;;;;;;;;;:::i;:::-;;;;;;;;;;;;;;;;;;;;;;;19994:432;20079:7;20259:12;20273:23;20308:5;20300:25;;:40;;;;;;;;;;;;;;;;;;;;;;;;;;12:1:-1;19;14:27;;;;67:4;61:11;56:16;;134:4;130:9;123:4;105:16;101:27;97:43;94:1;90:51;84:4;77:65;157:16;154:1;147:27;211:16;208:1;201:4;198:1;194:12;179:49;5:228;;14:27;32:4;27:9;;5:228;;20258:82:0;;;;20359:7;20351:16;;12:1:-1;9;2:12;20351:16:0;20396:10;20385:33;;;;;15:2:-1;10:3;7:11;4:2;;;31:1;28;21:12;4:2;20385:33:0;;;;;;;;;;;;;;;;20378:40;;;;19994:432;;;:::o;2716:148::-;2296:12;:10;:12::i;:::-;2286:22;;:6;;;;;;;;;;;:22;;;2278:67;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;2823:1:::1;2786:40;;2807:6;::::0;::::1;;;;;;;;;2786:40;;;;;;;;;;;;2854:1;2837:6:::0;::::1;:19;;;;;;;;;;;;;;;;;;2716:148::o:0;21183:139::-;2296:12;:10;:12::i;:::-;2286:22;;:6;;;;;;;;;;;:22;;;2278:67;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;21287:5:::1;:17;;;21305:8;21287:27;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;5:9:-1;2:2;;;27:1;24::::0;17:12:::1;2:2;21287:27:0;;;;8:9:-1;5:2;;;45:16;42:1;39::::0;24:38:::1;77:16;74:1;67:27;5:2;21287:27:0;;;;21183:139:::0;;:::o;2074:79::-;2112:7;2139:6;;;;;;;;;;;2132:13;;2074:79;:::o;22247:205::-;2296:12;:10;:12::i;:::-;2286:22;;:6;;;;;;;;;;;:22;;;2278:67;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;22382:5:::1;:22;;;22412:9;22423:14;22439:4;22382:62;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;23:1:-1;8:100;33:3;30:1;27:10;8:100;;;99:1;94:3;90:11;84:18;80:1;75:3;71:11;64:39;52:2;49:1;45:10;40:15;;8:100;;;12:14;22382:62:0;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;5:9:-1;2:2;;;27:1;24::::0;17:12:::1;2:2;22382:62:0;;;;8:9:-1;5:2;;;45:16;42:1;39::::0;24:38:::1;77:16;74:1;67:27;5:2;22382:62:0;;;;;22247:205:::0;;;:::o;21530:140::-;2296:12;:10;:12::i;:::-;2286:22;;:6;;;;;;;;;;;:22;;;2278:67;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;21631:5:::1;:15;;;21647:14;21631:31;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;5:9:-1;2:2;;;27:1;24::::0;17:12:::1;2:2;21631:31:0;;;;8:9:-1;5:2;;;45:16;42:1;39::::0;24:38:::1;77:16;74:1;67:27;5:2;21631:31:0;;;;21530:140:::0;;:::o;3019:244::-;2296:12;:10;:12::i;:::-;2286:22;;:6;;;;;;;;;;;:22;;;2278:67;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;3128:1:::1;3108:22;;:8;:22;;;;3100:73;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;3218:8;3189:38;;3210:6;::::0;::::1;;;;;;;;;3189:38;;;;;;;;;;;;3247:8;3238:6;::::0;:17:::1;;;;;;;;;;;;;;;;;;3019:244:::0;:::o;20587:414::-;20663:7;20834:12;20848:23;20883:5;20875:25;;:40;;;;;;;;;;;;;;;;;;;;;;;;;;12:1:-1;19;14:27;;;;67:4;61:11;56:16;;134:4;130:9;123:4;105:16;101:27;97:43;94:1;90:51;84:4;77:65;157:16;154:1;147:27;211:16;208:1;201:4;198:1;194:12;179:49;5:228;;14:27;32:4;27:9;;5:228;;20833:82:0;;;;20934:7;20926:16;;12:1:-1;9;2:12;20926:16:0;20971:10;20960:33;;;;;15:2:-1;10:3;7:11;4:2;;;31:1;28;21:12;4:2;20960:33:0;;;;;;;;;;;;;;;;20953:40;;;;20587:414;;;:::o;657:106::-;710:15;745:10;738:17;;657:106;:::o

ipfs://31619c43ff7fbff1b83febf75813a1b65b89028f475a18121f1f728f6b2348e4