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iisaint/EtherDice_2.sol

Last active January 4, 2019 02:25
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Revisions

  1. iisaint revised this gist Jan 4, 2019. 1 changed file with 3 additions and 3 deletions.
    6 changes: 3 additions & 3 deletions EtherDice_2.sol
    View file
    Original file line number Diff line number Diff line change
    @@ -15,7 +15,7 @@ contract EtherDice {
    }

    function bet(uint _number) public payable returns(bool) {
    require(isContract(msg.sender) == false, "robot is not allowed!!");
    require(isHuman(msg.sender), "robot is not allowed!!");
    require(_number >=0 && _number <=5, "_number is between 0 to 5");
    uint _dice = roll();

    @@ -32,9 +32,9 @@ contract EtherDice {
    return address(this).balance;
    }

    function isContract(address addr) internal view returns (bool) {
    function isHuman(address addr) internal view returns (bool) {
    uint size;
    assembly { size := extcodesize(addr) }
    return size > 0;
    return size == 0;
    }
    }
  2. iisaint created this gist Jan 4, 2019.
    40 changes: 40 additions & 0 deletions EtherDice_2.sol
    View file
    Original file line number Diff line number Diff line change
    @@ -0,0 +1,40 @@
    pragma solidity >=0.4.22 <0.6.0;

    // THIS CONTRACT CONTAINS A BUG - DO NOT USE

    contract EtherDice {

    event LOG_RESULT(uint _number, uint _dice, address _winner);

    constructor() public payable {
    require(msg.value > 0.1 ether);
    }

    function roll() public view returns(uint) {
    return (block.timestamp % 6);
    }

    function bet(uint _number) public payable returns(bool) {
    require(isContract(msg.sender) == false, "robot is not allowed!!");
    require(_number >=0 && _number <=5, "_number is between 0 to 5");
    uint _dice = roll();

    if (_number == _dice) {
    msg.sender.transfer(msg.value*2);
    emit LOG_RESULT(_number, _dice, msg.sender);
    return true;
    }
    emit LOG_RESULT(_number, _dice, address(0x0));
    return false;
    }

    function getPool() public view returns(uint) {
    return address(this).balance;
    }

    function isContract(address addr) internal view returns (bool) {
    uint size;
    assembly { size := extcodesize(addr) }
    return size > 0;
    }
    }