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55 lines
1.8 KiB
Solidity
55 lines
1.8 KiB
Solidity
1 year ago
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// SPDX-License-Identifier: GPL-3.0-or-later
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pragma solidity ^0.8.11;
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contract winfreemoney {
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address public admin;
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address payable[] public participants;
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event info(
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uint256 date
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);
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constructor(){
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admin = msg.sender;
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}
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function freeBalance() public view returns (uint256){ // összes pénz
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return address(this).balance;
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}
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function getparticipants() public view returns (address payable[] memory){
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return participants;
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}
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function participate() external payable{ //neve és address-e a belépőnek
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require(msg.value > .1 ether); //0.1 ether belépési dij
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participants.push(payable(msg.sender));
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emit info(block.timestamp); // aktualis idöpont
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}
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function randomnumber() private view returns (uint256){ // random szám generátor
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return uint256(keccak256(abi.encodePacked(admin, block.timestamp)));
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}
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function yourwinner () public {
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require(msg.sender == admin); // csak az admin használhatja
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uint256 index = randomnumber() % participants.length; // nyertes választása
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participants[index].transfer(address(this).balance); // transfer money
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participants = new address payable[](0); //reset the contract
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}
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function ertek () public pure returns (uint256){ // csak megadunk egy random értéket
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return 42;
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}
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}
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