28 lines
475 B
Solidity
28 lines
475 B
Solidity
|
pragma solidity ^0.5.10;
|
||
|
|
|
||
|
|
contract test {
|
||
|
|
address payable owner;
|
||
|
|
|
||
|
|
modifier onlyOwner {
|
||
|
|
require(
|
||
|
|
msg.sender == owner,
|
||
|
|
"Only owner can call this function."
|
||
|
|
);
|
||
|
|
_;
|
||
|
|
}
|
||
|
|
|
||
|
|
uint256 public data;
|
||
|
|
|
||
|
|
constructor() public {
|
||
|
|
owner = msg.sender;
|
||
|
|
data = 1;
|
||
|
|
}
|
||
|
|
|
||
|
|
function Put(uint256 value) public {
|
||
|
|
data = value;
|
||
|
|
}
|
||
|
|
|
||
|
|
function close() public onlyOwner {
|
||
|
|
selfdestruct(owner);
|
||
|
|
}
|
||
|
|
}
|