S Price: $0.697371 (-8.53%)

Contract

0xC9ef011416F8C41D4Af80315eA00bf83250Fff9B

Overview

S Balance

Sonic LogoSonic LogoSonic Logo24.76000073800000041 S

S Value

$17.27 (@ $0.70/S)

Multichain Info

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Transaction Hash
Method
Block
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To
Enter Astro Spin103011272025-02-26 13:20:164 hrs ago1740576016IN
0xC9ef0114...3250Fff9B
10.36000001 S0.0072487255.01
Perform Upkeep102997812025-02-26 13:12:024 hrs ago1740575522IN
0xC9ef0114...3250Fff9B
0.036 S0.004872150
Enter Astro Spin102997702025-02-26 13:11:584 hrs ago1740575518IN
0xC9ef0114...3250Fff9B
2.32897873 S0.005817353.66666666
Enter Astro Spin102997282025-02-26 13:11:414 hrs ago1740575501IN
0xC9ef0114...3250Fff9B
1.59413519 S0.0054198550
Enter Astro Spin102996632025-02-26 13:11:194 hrs ago1740575479IN
0xC9ef0114...3250Fff9B
1.79788889 S0.0056947552.53606222
Enter Astro Spin102996152025-02-26 13:11:024 hrs ago1740575462IN
0xC9ef0114...3250Fff9B
1.16403134 S0.0055905751.575
Enter Astro Spin102995702025-02-26 13:10:464 hrs ago1740575446IN
0xC9ef0114...3250Fff9B
1.1192609 S0.0054198550
Enter Astro Spin102995242025-02-26 13:10:294 hrs ago1740575429IN
0xC9ef0114...3250Fff9B
1.32388203 S0.0070710965.23333333
Enter Astro Spin102994782025-02-26 13:10:124 hrs ago1740575412IN
0xC9ef0114...3250Fff9B
1.26084003 S0.0054198550
Enter Astro Spin102994252025-02-26 13:09:554 hrs ago1740575395IN
0xC9ef0114...3250Fff9B
0.97680002 S0.0054198550
Enter Astro Spin102994032025-02-26 13:09:474 hrs ago1740575387IN
0xC9ef0114...3250Fff9B
2.36000001 S0.0100808977.5
Enter Astro Spin102991912025-02-26 13:08:254 hrs ago1740575305IN
0xC9ef0114...3250Fff9B
10.36000001 S0.0072487255.01
Perform Upkeep102987992025-02-26 13:06:014 hrs ago1740575161IN
0xC9ef0114...3250Fff9B
0.036 S0.004872150
Enter Astro Spin102987852025-02-26 13:05:564 hrs ago1740575156IN
0xC9ef0114...3250Fff9B
1.55737539 S0.0067115861.91666666
Enter Astro Spin102987372025-02-26 13:05:404 hrs ago1740575140IN
0xC9ef0114...3250Fff9B
1.00985602 S0.0054198550
Enter Astro Spin102986902025-02-26 13:05:234 hrs ago1740575123IN
0xC9ef0114...3250Fff9B
1.62640003 S0.0054198550
Enter Astro Spin102986712025-02-26 13:05:164 hrs ago1740575116IN
0xC9ef0114...3250Fff9B
8.36000001 S0.006503850
Enter Astro Spin102942482025-02-26 12:39:525 hrs ago1740573592IN
0xC9ef0114...3250Fff9B
5.36000001 S0.0072487255.01
Perform Upkeep102941202025-02-26 12:39:015 hrs ago1740573541IN
0xC9ef0114...3250Fff9B
0.036 S0.004872150
Enter Astro Spin102940952025-02-26 12:38:525 hrs ago1740573532IN
0xC9ef0114...3250Fff9B
0.75083916 S0.0054198550
Enter Astro Spin102940462025-02-26 12:38:345 hrs ago1740573514IN
0xC9ef0114...3250Fff9B
0.84321414 S0.0021966550
Enter Astro Spin102940012025-02-26 12:38:175 hrs ago1740573497IN
0xC9ef0114...3250Fff9B
0.55206035 S0.0054198550
Enter Astro Spin102939572025-02-26 12:38:005 hrs ago1740573480IN
0xC9ef0114...3250Fff9B
0.76423634 S0.0054198550
Enter Astro Spin102939132025-02-26 12:37:435 hrs ago1740573463IN
0xC9ef0114...3250Fff9B
0.82767202 S0.0054198550
Enter Astro Spin102938662025-02-26 12:37:275 hrs ago1740573447IN
0xC9ef0114...3250Fff9B
0.46960001 S0.005843853.91111111
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Latest 25 internal transactions (View All)

Parent Transaction Hash Block From To
102997842025-02-26 13:12:034 hrs ago1740575523
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102997842025-02-26 13:12:034 hrs ago1740575523
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102988052025-02-26 13:06:034 hrs ago1740575163
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102941252025-02-26 12:39:045 hrs ago1740573544
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Contract Source Code Verified (Exact Match)

Contract Name:
AstroSpin

Compiler Version
v0.8.16+commit.07a7930e

Optimization Enabled:
Yes with 200 runs

Other Settings:
default evmVersion
File 1 of 8 : AstroSpin.sol
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.16;

import "@openzeppelin/contracts/access/Ownable.sol";
import "@openzeppelin/contracts/security/ReentrancyGuard.sol";
import "@pythnetwork/entropy-sdk-solidity/IEntropy.sol";
import "@pythnetwork/entropy-sdk-solidity/IEntropyConsumer.sol";

error AstroSpin__NotEnoughEth();
error AstroSpin__TransferFailed();
error AstroSpin__NotOpen();
error AstroSpin__UpkeepNotNeeded(
	uint256 currentBalance,
	uint256 numPlayers,
	uint256 astroSpinState
);

contract AstroSpin is IEntropyConsumer, Ownable, ReentrancyGuard {
	// Entropy
	IEntropy entropy;
	address entropyProvider;

	/* state variables */
	uint256 public i_minEntranceFee;
	address payable[] public s_players;
	address payable public treasuryWallet;
	bool public feeEnabled = true;
	uint256 public feePool;
	uint256 public astroSpinFee;

	address payable[] public s_recentWinner;
	mapping(address => bool) public isPlayerEntered;
	uint256 public roundCount = 0;

	mapping(address => uint256) public contributions;
	address public caller;

	/** Variables */
	enum AstroSpinState {
		OPEN,
		CALCULATING
	}
	AstroSpinState private s_AstroSpinState;
	uint256 private s_lastTimeStamp;

	/* events */
	event AstroSpinEnterRequest(uint64 sequenceNumber);
	event AstroSpinEnterResult(uint64 sequenceNumber);
	event AstroSpinEnter(address indexed player, uint256 amount);
	event AstroSpinResult(uint64 sequenceNumber);
	event RefundProcessed(address indexed player, uint256 amount);
	event RefundCompleted(uint256 playerCount, uint256 totalAmount);

	event RequestedAstroSpinWinner(uint256 indexed requestId);
	event WinnerPicked(
		address indexed winner,
		uint256 prize,
		uint256 contribution
	);
	event TreasuryChanged(address indexed newTreasury);

	// Events for tracking refund status
	event RefundIssued(address to, uint256 amount);
	event RefundFailed(address to, uint256 amount);
	event SpecialWalletPoolFilled(uint256 amount, uint256 newTotal);

	/**
	 * @notice Constructor initializes the AstroSpin contract
	 * @param minEntranceFee The fee required to enter the game
	 * @param _treasuryWallet Address where treasury funds will be sent
	 * @param _entropy Address of the Entropy contract for randomness
	 * @param _entropyProvider Address of the entropy provider
	 */
	constructor(
		uint256 minEntranceFee,
		address payable _treasuryWallet,
		address _entropy,
		address _entropyProvider,
		address _caller
	) {
		i_minEntranceFee = minEntranceFee;
		s_AstroSpinState = AstroSpinState.OPEN;
		treasuryWallet = _treasuryWallet;
		entropy = IEntropy(_entropy);
		entropyProvider = _entropyProvider;
		caller = _caller;
	}

	modifier onlyCaller() {
		require(
			msg.sender == caller || msg.sender == owner(),
			"Only the caller or owner can call this function"
		);
		_;
	}

	function setUpkeepCaller(address _newCaller) external onlyOwner {
		require(_newCaller != address(0), "New caller cannot be zero address");
		caller = _newCaller;
	}

	// This method is required by the IEntropyConsumer interface
	function getEntropy() internal view override returns (address) {
		return address(entropy);
	}

	function getFlipFee() public view returns (uint256 fee) {
		fee = entropy.getFee(entropyProvider);
	}

	function getAstroSpinFee() public view returns (uint256 fee) {
		fee = astroSpinFee;
	}

	function setFee(uint256 _feeMultiplier) public onlyOwner {
		require(_feeMultiplier > 0, "Fee multiplier must be greater than zero");
		uint256 flipFee = entropy.getFee(entropyProvider);
		astroSpinFee = (flipFee * _feeMultiplier);
	}

	function toggleFee(bool _enabled) public onlyOwner {
		feeEnabled = _enabled;
	}

	function enterAstroSpin() public payable {
		require(s_AstroSpinState == AstroSpinState.OPEN, "AstroSpin__NotOpen");

		uint256 fee = feeEnabled ? astroSpinFee : 0;
		feePool += fee;

		require(msg.value >= i_minEntranceFee, "AstroSpin__NotEnoughEth");
		contributions[msg.sender] += msg.value - fee;

		if (!isPlayerEntered[msg.sender]) {
			s_players.push(payable(msg.sender));
			isPlayerEntered[msg.sender] = true;
		}

		emit AstroSpinEnter(msg.sender, contributions[msg.sender]);
	}

	/**
	 * @notice Initiates the random winner selection process if conditions are met
	 * @dev Checks if game is open, has balance and minimum players before requesting entropy
	 * @param userRandomNumber Additional entropy input from user
	 */
	function performUpkeep(
		bytes32 userRandomNumber
	) external payable onlyCaller {
		bool isOpen = AstroSpinState.OPEN == s_AstroSpinState;
		bool hasBalance = address(this).balance > 0;
		bool hasPlayers = s_players.length >= 2;

		bool upkeepNeeded = (isOpen && hasBalance && hasPlayers);

		if (!upkeepNeeded) {
			revert AstroSpin__UpkeepNotNeeded(
				address(this).balance,
				s_players.length,
				uint256(s_AstroSpinState)
			);
		}

		s_AstroSpinState = AstroSpinState.CALCULATING;

		uint256 fee = entropy.getFee(entropyProvider);

		uint64 sequenceNumber = entropy.requestWithCallback{ value: fee }(
			entropyProvider,
			userRandomNumber
		);

		emit RequestedAstroSpinWinner(sequenceNumber);
		emit AstroSpinEnterRequest(sequenceNumber);
	}

	/**
	 * @notice Callback function called by entropy provider with random number
	 * @dev Selects winner based on weighted contributions and distributes prizes
	 * @param sequenceNumber The sequence number of the entropy request
	 * @param randomNumber The random number provided by entropy source
	 */
	function entropyCallback(
		uint64 sequenceNumber,
		address,
		bytes32 randomNumber
	) internal override {
		delete s_recentWinner;

		uint256 totalContributions = 0;
		for (uint256 i = 0; i < s_players.length; i++) {
			totalContributions += contributions[s_players[i]];
		}

		require(totalContributions > 0, "Total contributions must be positive");

		uint256 winningThreshold = uint256(randomNumber) % totalContributions;
		uint256 cumulativeContribution = 0;
		address payable recentWinner = payable(address(0));

		for (uint256 i = 0; i < s_players.length; i++) {
			cumulativeContribution += contributions[s_players[i]];
			if (winningThreshold < cumulativeContribution) {
				recentWinner = s_players[i];
				break;
			}
		}

		uint256 pool = address(this).balance - feePool;

		uint256 prizes;
		uint256 treasuryAmount;

		// Check if winner's contribution is greater than potential prize
		uint256 potentialPrize = (pool * 80) / 100;
		if (contributions[recentWinner] > potentialPrize) {
			// If winner would get less than their contribution, give them the full pool
			prizes = pool;
			treasuryAmount = 0;
		} else {
			// Otherwise proceed with normal 80/20 split
			prizes = potentialPrize;
			treasuryAmount = (pool * 20) / 100;
		}
		// Transfer prize directly to winner
		(bool prizeSuccess, ) = recentWinner.call{ value: prizes }("");
		require(prizeSuccess, "Prize transfer failed");

		// Transfer treasury amount to treasury wallet if any
		if (treasuryAmount > 0) {
			(bool treasurySuccess, ) = treasuryWallet.call{
				value: treasuryAmount
			}("");
			require(treasurySuccess, "Treasury transfer failed");
		}

		s_recentWinner.push(recentWinner);
		emit WinnerPicked(recentWinner, prizes, contributions[recentWinner]);
		emit AstroSpinResult(sequenceNumber);

		// Reset for next AstroSpin
		for (uint256 i = 0; i < s_players.length; i++) {
			address player = s_players[i];
			contributions[player] = 0;
			isPlayerEntered[player] = false;
		}
		roundCount++;
		s_AstroSpinState = AstroSpinState.OPEN;
		s_players = new address payable[](0);
		s_lastTimeStamp = block.timestamp;
	}

	function getContractBalance() public view returns (uint256) {
		return address(this).balance;
	}

	function getBalanceWithoutPlatformFund() public view returns (uint256) {
		if (feePool > address(this).balance) {
			return 0;
		}
		uint256 totalDeductions = address(this).balance - feePool;
		return totalDeductions;
	}

	function getAstroSpinState() public view returns (AstroSpinState) {
		return s_AstroSpinState;
	}

	function getMinEntranceFee() public view returns (uint256) {
		return i_minEntranceFee;
	}

	function getPlayer(uint256 index) public view returns (address) {
		return s_players[index];
	}

	function getAllPlayers() public view returns (address payable[] memory) {
		return s_players;
	}

	function getRecentWinners() public view returns (address payable[] memory) {
		return s_recentWinner;
	}

	function getLastTimeStamp() public view returns (uint256) {
		return s_lastTimeStamp;
	}

	function getNumberOfPlayers() public view returns (uint256) {
		return s_players.length;
	}

	function getRoundCount() public view returns (uint256) {
		return roundCount;
	}

	function getFeePool() public view returns (uint256) {
		return feePool;
	}

	function transferFeeFunds(address payable _to) public onlyOwner {
		require(_to != address(0), "Invalid address");
		require(feePool > 0, "No funds to transfer");

		uint256 amountToTransfer = feePool;
		feePool = 0; // Reset before transfer to prevent reentrancy

		(bool success, ) = _to.call{ value: amountToTransfer }("");
		require(success, "Transfer failed");
	}

	function getPlayerContributionsPercentages()
		public
		view
		returns (address[] memory, uint256[] memory, uint256[] memory)
	{
		address[] memory players = new address[](s_players.length);
		uint256[] memory percentages = new uint256[](s_players.length);
		uint256[] memory contributionsArray = new uint256[](s_players.length);
		uint256 total = 0;

		// Calculate total contributions
		for (uint256 i = 0; i < s_players.length; i++) {
			total += contributions[s_players[i]];
		}

		// Calculate each player's percentage of total contributions and get their contribution
		for (uint256 i = 0; i < s_players.length; i++) {
			players[i] = s_players[i];
			contributionsArray[i] = contributions[s_players[i]]; // Store individual contributions
			if (total > 0) {
				percentages[i] = (contributions[s_players[i]] * 100) / total;
			} else {
				percentages[i] = 0;
			}
		}

		return (players, percentages, contributionsArray);
	}

	// Function to update the entrance fee
	function updateEntranceFee(uint256 _newMinEntranceFee) external onlyOwner {
		i_minEntranceFee = _newMinEntranceFee;
	}

	function setTreasury(address payable _newTreasury) public onlyOwner {
		require(
			_newTreasury != address(0),
			"New treasury cannot be the zero address"
		);
		treasuryWallet = _newTreasury;
		emit TreasuryChanged(_newTreasury);
	}

	function refundAllParticipants() external onlyOwner nonReentrant {
		require(s_players.length > 0, "No players to refund");

		// Store length since we'll modify the array
		uint256 playerCount = s_players.length;

		// Track refund amount for validation
		uint256 totalRefunded = 0;

		// Process refunds
		for (uint256 i = 0; i < playerCount; i++) {
			address payable player = s_players[i];
			uint256 playerContribution = contributions[player];

			if (playerContribution > 0) {
				// Update state before transfer to prevent reentrancy
				uint256 amountToRefund = playerContribution;
				contributions[player] = 0;
				isPlayerEntered[player] = false;

				// Process refund
				(bool success, ) = player.call{ value: amountToRefund }("");
				require(success, "Refund transfer failed");

				totalRefunded += amountToRefund;

				emit RefundProcessed(player, amountToRefund);
			}
		}

		// Reset contract state
		s_AstroSpinState = AstroSpinState.OPEN;
		s_players = new address payable[](0);

		emit RefundCompleted(playerCount, totalRefunded);
	}

	receive() external payable {}
}

File 2 of 8 : Ownable.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (access/Ownable.sol)

pragma solidity ^0.8.0;

import "../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.
 *
 * 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.
 */
abstract 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() {
        _transferOwnership(_msgSender());
    }

    /**
     * @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 {
        require(owner() == _msgSender(), "Ownable: caller is not the owner");
    }

    /**
     * @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 {
        require(newOwner != address(0), "Ownable: new owner is the zero address");
        _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);
    }
}

File 3 of 8 : ReentrancyGuard.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.0) (security/ReentrancyGuard.sol)

pragma solidity ^0.8.0;

/**
 * @dev Contract module that helps prevent reentrant calls to a function.
 *
 * Inheriting from `ReentrancyGuard` will make the {nonReentrant} modifier
 * available, which can be applied to functions to make sure there are no nested
 * (reentrant) calls to them.
 *
 * Note that because there is a single `nonReentrant` guard, functions marked as
 * `nonReentrant` may not call one another. This can be worked around by making
 * those functions `private`, and then adding `external` `nonReentrant` entry
 * points to them.
 *
 * TIP: If you would like to learn more about reentrancy and alternative ways
 * to protect against it, check out our blog post
 * https://blog.openzeppelin.com/reentrancy-after-istanbul/[Reentrancy After Istanbul].
 */
abstract contract ReentrancyGuard {
    // Booleans are more expensive than uint256 or any type that takes up a full
    // word because each write operation emits an extra SLOAD to first read the
    // slot's contents, replace the bits taken up by the boolean, and then write
    // back. This is the compiler's defense against contract upgrades and
    // pointer aliasing, and it cannot be disabled.

    // The values being non-zero value makes deployment a bit more expensive,
    // but in exchange the refund on every call to nonReentrant will be lower in
    // amount. Since refunds are capped to a percentage of the total
    // transaction's gas, it is best to keep them low in cases like this one, to
    // increase the likelihood of the full refund coming into effect.
    uint256 private constant _NOT_ENTERED = 1;
    uint256 private constant _ENTERED = 2;

    uint256 private _status;

    constructor() {
        _status = _NOT_ENTERED;
    }

    /**
     * @dev Prevents a contract from calling itself, directly or indirectly.
     * Calling a `nonReentrant` function from another `nonReentrant`
     * function is not supported. It is possible to prevent this from happening
     * by making the `nonReentrant` function external, and making it call a
     * `private` function that does the actual work.
     */
    modifier nonReentrant() {
        _nonReentrantBefore();
        _;
        _nonReentrantAfter();
    }

    function _nonReentrantBefore() private {
        // On the first call to nonReentrant, _status will be _NOT_ENTERED
        require(_status != _ENTERED, "ReentrancyGuard: reentrant call");

        // Any calls to nonReentrant after this point will fail
        _status = _ENTERED;
    }

    function _nonReentrantAfter() private {
        // By storing the original value once again, a refund is triggered (see
        // https://eips.ethereum.org/EIPS/eip-2200)
        _status = _NOT_ENTERED;
    }

    /**
     * @dev Returns true if the reentrancy guard is currently set to "entered", which indicates there is a
     * `nonReentrant` function in the call stack.
     */
    function _reentrancyGuardEntered() internal view returns (bool) {
        return _status == _ENTERED;
    }
}

File 4 of 8 : Context.sol
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.9.4) (utils/Context.sol)

pragma solidity ^0.8.0;

/**
 * @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 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;
    }
}

File 5 of 8 : EntropyEvents.sol
// SPDX-License-Identifier: Apache-2.0
pragma solidity ^0.8.0;

import "./EntropyStructs.sol";

interface EntropyEvents {
    event Registered(EntropyStructs.ProviderInfo provider);

    event Requested(EntropyStructs.Request request);
    event RequestedWithCallback(
        address indexed provider,
        address indexed requestor,
        uint64 indexed sequenceNumber,
        bytes32 userRandomNumber,
        EntropyStructs.Request request
    );

    event Revealed(
        EntropyStructs.Request request,
        bytes32 userRevelation,
        bytes32 providerRevelation,
        bytes32 blockHash,
        bytes32 randomNumber
    );
    event RevealedWithCallback(
        EntropyStructs.Request request,
        bytes32 userRandomNumber,
        bytes32 providerRevelation,
        bytes32 randomNumber
    );

    event ProviderFeeUpdated(address provider, uint128 oldFee, uint128 newFee);

    event ProviderUriUpdated(address provider, bytes oldUri, bytes newUri);

    event ProviderFeeManagerUpdated(
        address provider,
        address oldFeeManager,
        address newFeeManager
    );

    event Withdrawal(
        address provider,
        address recipient,
        uint128 withdrawnAmount
    );
}

File 6 of 8 : EntropyStructs.sol
// SPDX-License-Identifier: Apache 2

pragma solidity ^0.8.0;

contract EntropyStructs {
    struct ProviderInfo {
        uint128 feeInWei;
        uint128 accruedFeesInWei;
        // The commitment that the provider posted to the blockchain, and the sequence number
        // where they committed to this. This value is not advanced after the provider commits,
        // and instead is stored to help providers track where they are in the hash chain.
        bytes32 originalCommitment;
        uint64 originalCommitmentSequenceNumber;
        // Metadata for the current commitment. Providers may optionally use this field to help
        // manage rotations (i.e., to pick the sequence number from the correct hash chain).
        bytes commitmentMetadata;
        // Optional URI where clients can retrieve revelations for the provider.
        // Client SDKs can use this field to automatically determine how to retrieve random values for each provider.
        // TODO: specify the API that must be implemented at this URI
        bytes uri;
        // The first sequence number that is *not* included in the current commitment (i.e., an exclusive end index).
        // The contract maintains the invariant that sequenceNumber <= endSequenceNumber.
        // If sequenceNumber == endSequenceNumber, the provider must rotate their commitment to add additional random values.
        uint64 endSequenceNumber;
        // The sequence number that will be assigned to the next inbound user request.
        uint64 sequenceNumber;
        // The current commitment represents an index/value in the provider's hash chain.
        // These values are used to verify requests for future sequence numbers. Note that
        // currentCommitmentSequenceNumber < sequenceNumber.
        //
        // The currentCommitment advances forward through the provider's hash chain as values
        // are revealed on-chain.
        bytes32 currentCommitment;
        uint64 currentCommitmentSequenceNumber;
        // An address that is authorized to set / withdraw fees on behalf of this provider.
        address feeManager;
    }

    struct Request {
        // Storage slot 1 //
        address provider;
        uint64 sequenceNumber;
        // The number of hashes required to verify the provider revelation.
        uint32 numHashes;
        // Storage slot 2 //
        // The commitment is keccak256(userCommitment, providerCommitment). Storing the hash instead of both saves 20k gas by
        // eliminating 1 store.
        bytes32 commitment;
        // Storage slot 3 //
        // The number of the block where this request was created.
        // Note that we're using a uint64 such that we have an additional space for an address and other fields in
        // this storage slot. Although block.number returns a uint256, 64 bits should be plenty to index all of the
        // blocks ever generated.
        uint64 blockNumber;
        // The address that requested this random number.
        address requester;
        // If true, incorporate the blockhash of blockNumber into the generated random value.
        bool useBlockhash;
        // If true, the requester will be called back with the generated random value.
        bool isRequestWithCallback;
        // There are 2 remaining bytes of free space in this slot.
    }
}

File 7 of 8 : IEntropy.sol
// SPDX-License-Identifier: Apache 2
pragma solidity ^0.8.0;

import "./EntropyEvents.sol";

interface IEntropy is EntropyEvents {
    // Register msg.sender as a randomness provider. The arguments are the provider's configuration parameters
    // and initial commitment. Re-registering the same provider rotates the provider's commitment (and updates
    // the feeInWei).
    //
    // chainLength is the number of values in the hash chain *including* the commitment, that is, chainLength >= 1.
    function register(
        uint128 feeInWei,
        bytes32 commitment,
        bytes calldata commitmentMetadata,
        uint64 chainLength,
        bytes calldata uri
    ) external;

    // Withdraw a portion of the accumulated fees for the provider msg.sender.
    // Calling this function will transfer `amount` wei to the caller (provided that they have accrued a sufficient
    // balance of fees in the contract).
    function withdraw(uint128 amount) external;

    // Withdraw a portion of the accumulated fees for provider. The msg.sender must be the fee manager for this provider.
    // Calling this function will transfer `amount` wei to the caller (provided that they have accrued a sufficient
    // balance of fees in the contract).
    function withdrawAsFeeManager(address provider, uint128 amount) external;

    // As a user, request a random number from `provider`. Prior to calling this method, the user should
    // generate a random number x and keep it secret. The user should then compute hash(x) and pass that
    // as the userCommitment argument. (You may call the constructUserCommitment method to compute the hash.)
    //
    // This method returns a sequence number. The user should pass this sequence number to
    // their chosen provider (the exact method for doing so will depend on the provider) to retrieve the provider's
    // number. The user should then call fulfillRequest to construct the final random number.
    //
    // This method will revert unless the caller provides a sufficient fee (at least getFee(provider)) as msg.value.
    // Note that excess value is *not* refunded to the caller.
    function request(
        address provider,
        bytes32 userCommitment,
        bool useBlockHash
    ) external payable returns (uint64 assignedSequenceNumber);

    // Request a random number. The method expects the provider address and a secret random number
    // in the arguments. It returns a sequence number.
    //
    // The address calling this function should be a contract that inherits from the IEntropyConsumer interface.
    // The `entropyCallback` method on that interface will receive a callback with the generated random number.
    //
    // This method will revert unless the caller provides a sufficient fee (at least getFee(provider)) as msg.value.
    // Note that excess value is *not* refunded to the caller.
    function requestWithCallback(
        address provider,
        bytes32 userRandomNumber
    ) external payable returns (uint64 assignedSequenceNumber);

    // Fulfill a request for a random number. This method validates the provided userRandomness and provider's proof
    // against the corresponding commitments in the in-flight request. If both values are validated, this function returns
    // the corresponding random number.
    //
    // Note that this function can only be called once per in-flight request. Calling this function deletes the stored
    // request information (so that the contract doesn't use a linear amount of storage in the number of requests).
    // If you need to use the returned random number more than once, you are responsible for storing it.
    function reveal(
        address provider,
        uint64 sequenceNumber,
        bytes32 userRevelation,
        bytes32 providerRevelation
    ) external returns (bytes32 randomNumber);

    // Fulfill a request for a random number. This method validates the provided userRandomness
    // and provider's revelation against the corresponding commitment in the in-flight request. If both values are validated
    // and the requestor address is a contract address, this function calls the requester's entropyCallback method with the
    // sequence number, provider address and the random number as arguments. Else if the requestor is an EOA, it won't call it.
    //
    // Note that this function can only be called once per in-flight request. Calling this function deletes the stored
    // request information (so that the contract doesn't use a linear amount of storage in the number of requests).
    // If you need to use the returned random number more than once, you are responsible for storing it.
    //
    // Anyone can call this method to fulfill a request, but the callback will only be made to the original requester.
    function revealWithCallback(
        address provider,
        uint64 sequenceNumber,
        bytes32 userRandomNumber,
        bytes32 providerRevelation
    ) external;

    function getProviderInfo(
        address provider
    ) external view returns (EntropyStructs.ProviderInfo memory info);

    function getDefaultProvider() external view returns (address provider);

    function getRequest(
        address provider,
        uint64 sequenceNumber
    ) external view returns (EntropyStructs.Request memory req);

    function getFee(address provider) external view returns (uint128 feeAmount);

    function getAccruedPythFees()
        external
        view
        returns (uint128 accruedPythFeesInWei);

    function setProviderFee(uint128 newFeeInWei) external;

    function setProviderFeeAsFeeManager(
        address provider,
        uint128 newFeeInWei
    ) external;

    function setProviderUri(bytes calldata newUri) external;

    // Set manager as the fee manager for the provider msg.sender.
    // After calling this function, manager will be able to set the provider's fees and withdraw them.
    // Only one address can be the fee manager for a provider at a time -- calling this function again with a new value
    // will override the previous value. Call this function with the all-zero address to disable the fee manager role.
    function setFeeManager(address manager) external;

    function constructUserCommitment(
        bytes32 userRandomness
    ) external pure returns (bytes32 userCommitment);

    function combineRandomValues(
        bytes32 userRandomness,
        bytes32 providerRandomness,
        bytes32 blockHash
    ) external pure returns (bytes32 combinedRandomness);
}

File 8 of 8 : IEntropyConsumer.sol
// SPDX-License-Identifier: Apache 2
pragma solidity ^0.8.0;

abstract contract IEntropyConsumer {
    // This method is called by Entropy to provide the random number to the consumer.
    // It asserts that the msg.sender is the Entropy contract. It is not meant to be
    // override by the consumer.
    function _entropyCallback(
        uint64 sequence,
        address provider,
        bytes32 randomNumber
    ) external {
        address entropy = getEntropy();
        require(entropy != address(0), "Entropy address not set");
        require(msg.sender == entropy, "Only Entropy can call this function");

        entropyCallback(sequence, provider, randomNumber);
    }

    // getEntropy returns Entropy contract address. The method is being used to check that the
    // callback is indeed from Entropy contract. The consumer is expected to implement this method.
    // Entropy address can be found here - https://docs.pyth.network/entropy/contract-addresses
    function getEntropy() internal view virtual returns (address);

    // This method is expected to be implemented by the consumer to handle the random number.
    // It will be called by _entropyCallback after _entropyCallback ensures that the call is
    // indeed from Entropy contract.
    function entropyCallback(
        uint64 sequence,
        address provider,
        bytes32 randomNumber
    ) internal virtual;
}

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

Contract Security Audit

Contract ABI

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payable","name":"_treasuryWallet","type":"address"},{"internalType":"address","name":"_entropy","type":"address"},{"internalType":"address","name":"_entropyProvider","type":"address"},{"internalType":"address","name":"_caller","type":"address"}],"stateMutability":"nonpayable","type":"constructor"},{"inputs":[{"internalType":"uint256","name":"currentBalance","type":"uint256"},{"internalType":"uint256","name":"numPlayers","type":"uint256"},{"internalType":"uint256","name":"astroSpinState","type":"uint256"}],"name":"AstroSpin__UpkeepNotNeeded","type":"error"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"player","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"AstroSpinEnter","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint64","name":"sequenceNumber","type":"uint64"}],"name":"AstroSpinEnterRequest","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint64","name":"sequenceNumber","type":"uint64"}],"name":"AstroSpinEnterResult","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint64","name":"sequenceNumber","type":"uint64"}],"name":"AstroSpinResult","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"previousOwner","type":"address"},{"indexed":true,"internalType":"address","name":"newOwner","type":"address"}],"name":"OwnershipTransferred","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256","name":"playerCount","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"totalAmount","type":"uint256"}],"name":"RefundCompleted","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"to","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"RefundFailed","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"address","name":"to","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"RefundIssued","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"player","type":"address"},{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"}],"name":"RefundProcessed","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"uint256","name":"requestId","type":"uint256"}],"name":"RequestedAstroSpinWinner","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"internalType":"uint256","name":"amount","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"newTotal","type":"uint256"}],"name":"SpecialWalletPoolFilled","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"newTreasury","type":"address"}],"name":"TreasuryChanged","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"internalType":"address","name":"winner","type":"address"},{"indexed":false,"internalType":"uint256","name":"prize","type":"uint256"},{"indexed":false,"internalType":"uint256","name":"contribution","type":"uint256"}],"name":"WinnerPicked","type":"event"},{"inputs":[{"internalType":"uint64","name":"sequence","type":"uint64"},{"internalType":"address","name":"provider","type":"address"},{"internalType":"bytes32","name":"randomNumber","type":"bytes32"}],"name":"_entropyCallback","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"astroSpinFee","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"caller","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"contributions","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"enterAstroSpin","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[],"name":"feeEnabled","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"feePool","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getAllPlayers","outputs":[{"internalType":"address payable[]","name":"","type":"address[]"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getAstroSpinFee","outputs":[{"internalType":"uint256","name":"fee","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getAstroSpinState","outputs":[{"internalType":"enum AstroSpin.AstroSpinState","name":"","type":"uint8"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getBalanceWithoutPlatformFund","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getContractBalance","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getFeePool","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getFlipFee","outputs":[{"internalType":"uint256","name":"fee","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getLastTimeStamp","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getMinEntranceFee","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getNumberOfPlayers","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"index","type":"uint256"}],"name":"getPlayer","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getPlayerContributionsPercentages","outputs":[{"internalType":"address[]","name":"","type":"address[]"},{"internalType":"uint256[]","name":"","type":"uint256[]"},{"internalType":"uint256[]","name":"","type":"uint256[]"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getRecentWinners","outputs":[{"internalType":"address payable[]","name":"","type":"address[]"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"getRoundCount","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"i_minEntranceFee","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"address","name":"","type":"address"}],"name":"isPlayerEntered","outputs":[{"internalType":"bool","name":"","type":"bool"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"owner","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"bytes32","name":"userRandomNumber","type":"bytes32"}],"name":"performUpkeep","outputs":[],"stateMutability":"payable","type":"function"},{"inputs":[],"name":"refundAllParticipants","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"renounceOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"roundCount","outputs":[{"internalType":"uint256","name":"","type":"uint256"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"}],"name":"s_players","outputs":[{"internalType":"address payable","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"","type":"uint256"}],"name":"s_recentWinner","outputs":[{"internalType":"address payable","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_feeMultiplier","type":"uint256"}],"name":"setFee","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address payable","name":"_newTreasury","type":"address"}],"name":"setTreasury","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"_newCaller","type":"address"}],"name":"setUpkeepCaller","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"bool","name":"_enabled","type":"bool"}],"name":"toggleFee","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address payable","name":"_to","type":"address"}],"name":"transferFeeFunds","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[{"internalType":"address","name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"stateMutability":"nonpayable","type":"function"},{"inputs":[],"name":"treasuryWallet","outputs":[{"internalType":"address payable","name":"","type":"address"}],"stateMutability":"view","type":"function"},{"inputs":[{"internalType":"uint256","name":"_newMinEntranceFee","type":"uint256"}],"name":"updateEntranceFee","outputs":[],"stateMutability":"nonpayable","type":"function"},{"stateMutability":"payable","type":"receive"}]

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

000000000000000000000000000000000000000000000000002386f26fc100000000000000000000000000007c817d793715baaee120624e6ce499b29aa105ac00000000000000000000000036825bf3fbdf5a29e2d5148bfe7dcf7b5639e32000000000000000000000000052deaa1c84233f7bb8c8a45baede41091c6165060000000000000000000000005df4707980440d7beb2ad83dfa0321889fb27aed

-----Decoded View---------------
Arg [0] : minEntranceFee (uint256): 10000000000000000
Arg [1] : _treasuryWallet (address): 0x7c817d793715baAEe120624E6cE499B29aa105ac
Arg [2] : _entropy (address): 0x36825bf3Fbdf5a29E2d5148bfe7Dcf7B5639e320
Arg [3] : _entropyProvider (address): 0x52DeaA1c84233F7bb8C8A45baeDE41091c616506
Arg [4] : _caller (address): 0x5DF4707980440D7BEB2AD83dfA0321889FB27AeD

-----Encoded View---------------
5 Constructor Arguments found :
Arg [0] : 000000000000000000000000000000000000000000000000002386f26fc10000
Arg [1] : 0000000000000000000000007c817d793715baaee120624e6ce499b29aa105ac
Arg [2] : 00000000000000000000000036825bf3fbdf5a29e2d5148bfe7dcf7b5639e320
Arg [3] : 00000000000000000000000052deaa1c84233f7bb8c8a45baede41091c616506
Arg [4] : 0000000000000000000000005df4707980440d7beb2ad83dfa0321889fb27aed


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A contract address hosts a smart contract, which is a set of code stored on the blockchain that runs when predetermined conditions are met. Learn more about addresses in our Knowledge Base.