Contract Source Code (Solidity Standard Json-Input format)

IDE

• Blockscan IDE

More Options

• Similar
• Submit Audit
• Compare

pragma solidity ^0.8.28;

import { Ownable } from "@openzeppelin/contracts/access/Ownable.sol";
import { Address } from "@openzeppelin/contracts/utils/Address.sol";

import { IBanyumasanPoint } from "./interfaces/IBanyumasanPoint.sol";

contract Mining is Ownable {
    IBanyumasanPoint private point;

    uint256 public constant feeMine = 0.0025 ether;

    constructor(address _point) Ownable(_msgSender()) {
        point = IBanyumasanPoint(_point);
    }

    function mine() external payable {
        require(msg.value >= feeMine);
        
        // Generate random number using keccak256 and block properties
        uint256 randomHash = uint256(keccak256(abi.encodePacked(block.prevrandao, block.timestamp, msg.sender)));
        uint256 randomNumber = randomHash % 10000; // Random number between 0 and 9999
        uint256 amount = 0;

        // Map the random number to the desired range
        if (randomNumber < 9000) {
            amount = (randomNumber % 10) + 1; // 1-10 (90%)
        } else if (randomNumber < 9900) {
            amount = ((randomNumber - 9000) % 10) + 11; // 11-20 (9%)
        } else if (randomNumber < 9990) {
            amount = ((randomNumber - 9900) % 10) + 21; // 21-30 (0.9%)
        } else if (randomNumber < 9999) {
            amount = ((randomNumber - 9990) % 10) + 31; // 31-40 (0.09%)
        } else {
            amount = (randomNumber % 60) + 41; // 41-100 (0.01%)
        }

        Address.sendValue(payable(owner()), msg.value);
        point.mint(msg.sender, amount);
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.0) (access/Ownable.sol)

pragma solidity ^0.8.20;

import {Context} from "../utils/Context.sol";

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

    /**
     * @dev The caller account is not authorized to perform an operation.
     */
    error OwnableUnauthorizedAccount(address account);

    /**
     * @dev The owner is not a valid owner account. (eg. `address(0)`)
     */
    error OwnableInvalidOwner(address owner);

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

    /**
     * @dev Initializes the contract setting the address provided by the deployer as the initial owner.
     */
    constructor(address initialOwner) {
        if (initialOwner == address(0)) {
            revert OwnableInvalidOwner(address(0));
        }
        _transferOwnership(initialOwner);
    }

    /**
     * @dev Throws if called by any account other than the owner.
     */
    modifier onlyOwner() {
        _checkOwner();
        _;
    }

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

    /**
     * @dev Throws if the sender is not the owner.
     */
    function _checkOwner() internal view virtual {
        if (owner() != _msgSender()) {
            revert OwnableUnauthorizedAccount(_msgSender());
        }
    }

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

    /**
     * @dev Transfers ownership of the contract to a new account (`newOwner`).
     * Can only be called by the current owner.
     */
    function transferOwnership(address newOwner) public virtual onlyOwner {
        if (newOwner == address(0)) {
            revert OwnableInvalidOwner(address(0));
        }
        _transferOwnership(newOwner);
    }

    /**
     * @dev Transfers ownership of the contract to a new account (`newOwner`).
     * Internal function without access restriction.
     */
    function _transferOwnership(address newOwner) internal virtual {
        address oldOwner = _owner;
        _owner = newOwner;
        emit OwnershipTransferred(oldOwner, newOwner);
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.1.0) (token/ERC20/IERC20.sol)

pragma solidity ^0.8.20;

/**
 * @dev Interface of the ERC-20 standard as defined in the ERC.
 */
interface IERC20 {
    /**
     * @dev Emitted when `value` tokens are moved from one account (`from`) to
     * another (`to`).
     *
     * Note that `value` may be zero.
     */
    event Transfer(address indexed from, address indexed to, uint256 value);

    /**
     * @dev Emitted when the allowance of a `spender` for an `owner` is set by
     * a call to {approve}. `value` is the new allowance.
     */
    event Approval(address indexed owner, address indexed spender, uint256 value);

    /**
     * @dev Returns the value of tokens in existence.
     */
    function totalSupply() external view returns (uint256);

    /**
     * @dev Returns the value of tokens owned by `account`.
     */
    function balanceOf(address account) external view returns (uint256);

    /**
     * @dev Moves a `value` amount of tokens from the caller's account to `to`.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * Emits a {Transfer} event.
     */
    function transfer(address to, uint256 value) external returns (bool);

    /**
     * @dev Returns the remaining number of tokens that `spender` will be
     * allowed to spend on behalf of `owner` through {transferFrom}. This is
     * zero by default.
     *
     * This value changes when {approve} or {transferFrom} are called.
     */
    function allowance(address owner, address spender) external view returns (uint256);

    /**
     * @dev Sets a `value` amount of tokens as the allowance of `spender` over the
     * caller's tokens.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * IMPORTANT: Beware that changing an allowance with this method brings the risk
     * that someone may use both the old and the new allowance by unfortunate
     * transaction ordering. One possible solution to mitigate this race
     * condition is to first reduce the spender's allowance to 0 and set the
     * desired value afterwards:
     * https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
     *
     * Emits an {Approval} event.
     */
    function approve(address spender, uint256 value) external returns (bool);

    /**
     * @dev Moves a `value` amount of tokens from `from` to `to` using the
     * allowance mechanism. `value` is then deducted from the caller's
     * allowance.
     *
     * Returns a boolean value indicating whether the operation succeeded.
     *
     * Emits a {Transfer} event.
     */
    function transferFrom(address from, address to, uint256 value) external returns (bool);
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.2.0) (utils/Address.sol)

pragma solidity ^0.8.20;

import {Errors} from "./Errors.sol";

/**
 * @dev Collection of functions related to the address type
 */
library Address {
    /**
     * @dev There's no code at `target` (it is not a contract).
     */
    error AddressEmptyCode(address target);

    /**
     * @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://consensys.net/diligence/blog/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/v0.8.20/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].
     */
    function sendValue(address payable recipient, uint256 amount) internal {
        if (address(this).balance < amount) {
            revert Errors.InsufficientBalance(address(this).balance, amount);
        }

        (bool success, bytes memory returndata) = recipient.call{value: amount}("");
        if (!success) {
            _revert(returndata);
        }
    }

    /**
     * @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 or custom error, it is bubbled
     * up by this function (like regular Solidity function calls). However, if
     * the call reverted with no returned reason, this function reverts with a
     * {Errors.FailedCall} error.
     *
     * 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.
     */
    function functionCall(address target, bytes memory data) internal returns (bytes memory) {
        return functionCallWithValue(target, data, 0);
    }

    /**
     * @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`.
     */
    function functionCallWithValue(address target, bytes memory data, uint256 value) internal returns (bytes memory) {
        if (address(this).balance < value) {
            revert Errors.InsufficientBalance(address(this).balance, value);
        }
        (bool success, bytes memory returndata) = target.call{value: value}(data);
        return verifyCallResultFromTarget(target, success, returndata);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but performing a static call.
     */
    function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {
        (bool success, bytes memory returndata) = target.staticcall(data);
        return verifyCallResultFromTarget(target, success, returndata);
    }

    /**
     * @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
     * but performing a delegate call.
     */
    function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {
        (bool success, bytes memory returndata) = target.delegatecall(data);
        return verifyCallResultFromTarget(target, success, returndata);
    }

    /**
     * @dev Tool to verify that a low level call to smart-contract was successful, and reverts if the target
     * was not a contract or bubbling up the revert reason (falling back to {Errors.FailedCall}) in case
     * of an unsuccessful call.
     */
    function verifyCallResultFromTarget(
        address target,
        bool success,
        bytes memory returndata
    ) internal view returns (bytes memory) {
        if (!success) {
            _revert(returndata);
        } else {
            // only check if target is a contract if the call was successful and the return data is empty
            // otherwise we already know that it was a contract
            if (returndata.length == 0 && target.code.length == 0) {
                revert AddressEmptyCode(target);
            }
            return returndata;
        }
    }

    /**
     * @dev Tool to verify that a low level call was successful, and reverts if it wasn't, either by bubbling the
     * revert reason or with a default {Errors.FailedCall} error.
     */
    function verifyCallResult(bool success, bytes memory returndata) internal pure returns (bytes memory) {
        if (!success) {
            _revert(returndata);
        } else {
            return returndata;
        }
    }

    /**
     * @dev Reverts with returndata if present. Otherwise reverts with {Errors.FailedCall}.
     */
    function _revert(bytes memory returndata) private pure {
        // 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
            assembly ("memory-safe") {
                let returndata_size := mload(returndata)
                revert(add(32, returndata), returndata_size)
            }
        } else {
            revert Errors.FailedCall();
        }
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.0.1) (utils/Context.sol)

pragma solidity ^0.8.20;

/**
 * @dev Provides information about the current execution context, including the
 * sender of the transaction and its data. While these are generally available
 * via msg.sender and msg.data, they should not be accessed in such a direct
 * manner, since when dealing with meta-transactions the account sending and
 * paying for execution may not be the actual sender (as far as an application
 * is concerned).
 *
 * This contract is only required for intermediate, library-like contracts.
 */
abstract contract Context {
    function _msgSender() internal view virtual returns (address) {
        return msg.sender;
    }

    function _msgData() internal view virtual returns (bytes calldata) {
        return msg.data;
    }

    function _contextSuffixLength() internal view virtual returns (uint256) {
        return 0;
    }
}

// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v5.1.0) (utils/Errors.sol)

pragma solidity ^0.8.20;

/**
 * @dev Collection of common custom errors used in multiple contracts
 *
 * IMPORTANT: Backwards compatibility is not guaranteed in future versions of the library.
 * It is recommended to avoid relying on the error API for critical functionality.
 *
 * _Available since v5.1._
 */
library Errors {
    /**
     * @dev The ETH balance of the account is not enough to perform the operation.
     */
    error InsufficientBalance(uint256 balance, uint256 needed);

    /**
     * @dev A call to an address target failed. The target may have reverted.
     */
    error FailedCall();

    /**
     * @dev The deployment failed.
     */
    error FailedDeployment();

    /**
     * @dev A necessary precompile is missing.
     */
    error MissingPrecompile(address);
}

pragma solidity ^0.8.28;

import { IERC20 } from "@openzeppelin/contracts/token/ERC20/IERC20.sol";

interface IBanyumasanPoint is IERC20 {
    function mint(address, uint256) external;
    function burn(address, uint256) external;
}

{
  "optimizer": {
    "enabled": true,
    "runs": 200
  },
  "evmVersion": "paris",
  "outputSelection": {
    "*": {
      "*": [
        "evm.bytecode",
        "evm.deployedBytecode",
        "devdoc",
        "userdoc",
        "metadata",
        "abi"
      ]
    }
  }
}

[{"inputs":[{"internalType":"address","name":"_point","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[],"name":"FailedCall","type":"error"},{"inputs":[{"internalType":"uint256","name":"balance","type":"uint256"},{"internalType":"uint256","name":"needed","type":"uint256"}],"name":"InsufficientBalance","type":"error"},{"inputs":[{"internalType":"address","name":"owner","type":"address"}],"name":"OwnableInvalidOwner","type":"error"},{"inputs":[{"internalType":"address","name":"account","type":"address"}],"name":"OwnableUnauthorizedAccount","type":"error"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"inputs":[],"name":"feeMine","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"mine","outputs":[],"stateMutability":"payable","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"}]

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

0000000000000000000000003ea5539ba6a34341a222a47f19704567da60a58c

-----Decoded View---------------
Arg [0] : _point (address): 0x3Ea5539ba6A34341A222a47F19704567da60a58C

-----Encoded View---------------
1 Constructor Arguments found :
Arg [0] : 0000000000000000000000003ea5539ba6a34341a222a47f19704567da60a58c