Faucet.sol

// Version of Solidity compiler this program was written for
pragma solidity ^0.5.00;

contract owned {
	address payable owner;
	// Contract constructor: set owner
	constructor() public {
		owner = msg.sender;
	}
	// Access control modifier
	modifier onlyOwner {
		require(msg.sender == owner,
		        "Only the contract owner can call this function");
		_;
	}
}

contract mortal is owned {
	// Contract destructor
	function destroy() public onlyOwner {
		selfdestruct(owner);
	}
}

contract Faucet is mortal {
	event Withdrawal(address indexed to, uint amount);
	event Deposit(address indexed from, uint amount);

	// Give out ether to anyone who asks
	function withdraw(uint withdraw_amount) public {
		// Limit withdrawal amount
		require(withdraw_amount <= 0.1 ether);
		require(address(this).balance >= withdraw_amount,
			"Insufficient balance in faucet for withdrawal request");
		// Send the amount to the address that requested it
		msg.sender.transfer(withdraw_amount);
		emit Withdrawal(msg.sender, withdraw_amount);
	}
	// Accept any incoming amount
	function () external payable {
		emit Deposit(msg.sender, msg.value);
	}
}