hood// SPDX-License-Identifier: MIT
pragma solidity ^0.8.20;
import "@openzeppelin/contracts/access/Ownable.sol";
import "@openzeppelin/contracts/utils/ReentrancyGuard.sol";
/**
* @title TheHollowGame
* @notice Pay-to-play contract for The Hollow game on Robinhood Chain.
* @dev Players pay the native gas token (ETH) to play; the owner sets the
* price and withdraws collected funds.
*/
contract TheHollowGame is Ownable, ReentrancyGuard {
// Play price in wei of the native token (ETH, 18 decimals).
// Default 0.0001 ETH — owner can adjust via setPlayPrice.
uint256 public playPrice = 0.0001 ether;
// Events
event PlayPurchased(address indexed player, uint256 amount, uint256 timestamp);
event PlayPriceUpdated(uint256 oldPrice, uint256 newPrice);
event FundsWithdrawn(address indexed owner, uint256 amount);
constructor() Ownable(msg.sender) {}
/**
* @notice Pay to play the game
* @dev Emits PlayPurchased event on success
*/
function payToPlay() external payable nonReentrant {
require(msg.value >= playPrice, "Insufficient payment");
// Refund excess payment
uint256 excess = msg.value - playPrice;
if (excess > 0) {
(bool refundSuccess, ) = payable(msg.sender).call{value: excess}("");
require(refundSuccess, "Refund failed");
}
emit PlayPurchased(msg.sender, playPrice, block.timestamp);
}
/**
* @notice Set the play price (owner only)
* @param _newPrice New price in wei
*/
function setPlayPrice(uint256 _newPrice) external onlyOwner {
require(_newPrice > 0, "Price must be greater than 0");
uint256 oldPrice = playPrice;
playPrice = _newPrice;
emit PlayPriceUpdated(oldPrice, _newPrice);
}
/**
* @notice Get the current play price
* @return Current price in wei
*/
function getPlayPrice() external view returns (uint256) {
return playPrice;
}
/**
* @notice Withdraw all funds to owner (owner only)
*/
function withdraw() external onlyOwner nonReentrant {
uint256 balance = address(this).balance;
require(balance > 0, "No funds to withdraw");
(bool success, ) = payable(owner()).call{value: balance}("");
require(success, "Withdrawal failed");
emit FundsWithdrawn(owner(), balance);
}
/**
* @notice Get contract balance
* @return Contract balance in wei
*/
function getBalance() external view returns (uint256) {
return address(this).balance;
}
// Allow contract to receive ETH directly
receive() external payable {}
}[
{
"type": "constructor",
"inputs": [],
"stateMutability": "nonpayable"
},
{
"name": "OwnableInvalidOwner",
"type": "error",
"inputs": [
{
"name": "owner",
"type": "address",
"internalType": "address"
}
]
},
{
"name": "OwnableUnauthorizedAccount",
"type": "error",
"inputs": [
{
"name": "account",
"type": "address",
"internalType": "address"
}
]
},
{
"name": "ReentrancyGuardReentrantCall",
"type": "error",
"inputs": []
},
{
"name": "FundsWithdrawn",
"type": "event",
"inputs": [
{
"name": "owner",
"type": "address",
"indexed": true,
"internalType": "address"
},
{
"name": "amount",
"type": "uint256",
"indexed": false,
"internalType": "uint256"
}
],
"anonymous": false
},
{
"name": "OwnershipTransferred",
"type": "event",
"inputs": [
{
"name": "previousOwner",
"type": "address",
"indexed": true,
"internalType": "address"
},
{
"name": "newOwner",
"type": "address",
"indexed": true,
"internalType": "address"
}
],
"anonymous": false
},
{
"name": "PlayPriceUpdated",
"type": "event",
"inputs": [
{
"name": "oldPrice",
"type": "uint256",
"indexed": false,
"internalType": "uint256"
},
{
"name": "newPrice",
"type": "uint256",
"indexed": false,
"internalType": "uint256"
}
],
"anonymous": false
},
{
"name": "PlayPurchased",
"type": "event",
"inputs": [
{
"name": "player",
"type": "address",
"indexed": true,
"internalType": "address"
},
{
"name": "amount",
"type": "uint256",
"indexed": false,
"internalType": "uint256"
},
{
"name": "timestamp",
"type": "uint256",
"indexed": false,
"internalType": "uint256"
}
],
"anonymous": false
},
{
"name": "getBalance",
"type": "function",
"inputs": [],
"outputs": [
{
"name": "",
"type": "uint256",
"internalType": "uint256"
}
],
"stateMutability": "view"
},
{
"name": "getPlayPrice",
"type": "function",
"inputs": [],
"outputs": [
{
"name": "",
"type": "uint256",
"internalType": "uint256"
}
],
"stateMutability": "view"
},
{
"name": "owner",
"type": "function",
"inputs": [],
"outputs": [
{
"name": "",
"type": "address",
"internalType": "address"
}
],
"stateMutability": "view"
},
{
"name": "payToPlay",
"type": "function",
"inputs": [],
"outputs": [],
"stateMutability": "payable"
},
{
"name": "playPrice",
"type": "function",
"inputs": [],
"outputs": [
{
"name": "",
"type": "uint256",
"internalType": "uint256"
}
],
"stateMutability": "view"
},
{
"name": "renounceOwnership",
"type": "function",
"inputs": [],
"outputs": [],
"stateMutability": "nonpayable"
},
{
"name": "setPlayPrice",
"type": "function",
"inputs": [
{
"name": "_newPrice",
"type": "uint256",
"internalType": "uint256"
}
],
"outputs": [],
"stateMutability": "nonpayable"
},
{
"name": "transferOwnership",
"type": "function",
"inputs": [
{
"name": "newOwner",
"type": "address",
"internalType": "address"
}
],
"outputs": [],
"stateMutability": "nonpayable"
},
{
"name": "withdraw",
"type": "function",
"inputs": [],
"outputs": [],
"stateMutability": "nonpayable"
},
{
"type": "receive",
"stateMutability": "payable"
}
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| Token | Symbol | Balance | Price | Value |
|---|---|---|---|---|
| no token holdings | ||||
| Type | Age | Block | Details |
|---|---|---|---|
| no cross-chain L1↔L2 transactions for this address | |||
| Txn Hash | Age | Event | Topics / Data |
|---|---|---|---|
| 0x99fecf…61420f | 19 days agoMon, 27 Jul 2026 12:32:57 UTC | 0x4b420f…cd23 | [0] 0x000000000000…3e94cce3 data: 0x000000000000000000…6a674ff9 |
| 0x8c7281…e5b2da | 19 days agoMon, 27 Jul 2026 12:32:21 UTC | 0x4b420f…cd23 | [0] 0x000000000000…3e94cce3 data: 0x000000000000000000…6a674fd5 |
| 0xfae743…e91838 | 33 days agoMon, 13 Jul 2026 11:34:30 UTC | 0x4b420f…cd23 | [0] 0x000000000000…52433767 data: 0x000000000000000000…6a54cd46 |
| 0xa7ad48…231bb3 | 33 days agoMon, 13 Jul 2026 11:26:07 UTC | 0x4b420f…cd23 | [0] 0x000000000000…52433767 data: 0x000000000000000000…6a54cb4f |
| 0x2692c6…6a064e | 33 days agoMon, 13 Jul 2026 11:19:49 UTC | 0x8be007…57e0 | [0] 0x000000000000…00000000 [1] 0x000000000000…52433767 |
| Block | Age | Parent Transaction Hash | Type | Method | From | To | Value | |
|---|---|---|---|---|---|---|---|---|
| no internal transactions found for this address yet (traced blocks + on-demand) | ||||||||
| Transaction Hash | Method | Block | Age | From | To | Type | Item | ||
|---|---|---|---|---|---|---|---|---|---|
| no NFT transfers for this address yet | |||||||||
| Transaction Hash | Method ? | Block | Age | From | To | Amount | Txn Fee ? | ||
|---|---|---|---|---|---|---|---|---|---|
| 0x99fecf…61420f | payToPlay | 20,734,753 | 19 days agoMon, 27 Jul 2026 12:32:57 UTC | 0xd5b4…cce3 | IN | TheHollowGame | $0.190.0001 ETH | 0.00000100 | |
| 0x8c7281…e5b2da | payToPlay | 20,734,382 | 19 days agoMon, 27 Jul 2026 12:32:21 UTC | 0xd5b4…cce3 | IN | TheHollowGame | $0.190.0001 ETH | 0.00000100 | |
| 0xfae743…e91838 | payToPlay | 8,635,036 | 33 days agoMon, 13 Jul 2026 11:34:30 UTC | 0x4c33…3767 | IN | TheHollowGame | $0.190.0001 ETH | 0.00000133 | |
| 0xa7ad48…231bb3 | payToPlay | 8,630,027 | 33 days agoMon, 13 Jul 2026 11:26:07 UTC | 0x4c33…3767 | IN | TheHollowGame | $0.190.0001 ETH | 0.00000135 |
| Transaction Hash | Method | Block | Age | From | To | Amount | Token | ||
|---|---|---|---|---|---|---|---|---|---|
| no token transfers for this address yet | |||||||||