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// SPDX-License-Identifier: MIT
pragma solidity >0.7 <0.9;
contract RandomMoney {
uint public total;
uint public constant minFee = 10;
mapping(address => uint) public amounts;
address[] private members;
function play() public payable returns (uint) {
require(msg.value >= minFee, "Value is less than the required minimum");
amounts[msg.sender] += msg.value;
if (amounts[msg.sender] == msg.value) {
members.push(msg.sender);
}
total += msg.value;
return total;
}
function pay() public payable {
address payable account = payable(randomAddress());
account.transfer(total);
total = 0;
}
function randomAddress() internal view returns (address) {
uint8 num = uint8(
uint256(
keccak256(abi.encode(block.timestamp, block.difficulty))
) % members.length
);
return members[num];
}
}
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