/**
*  @title Constant Number Generator
*  @author Clément Lesaege - <clement@lesaege.com>
*  @dev A Random Number Generator which always return the same number. Usefull in order to make tests.
*/

pragma solidity ^0.4.15;
import "./RNG.sol";

contract ConstantNG is RNG {

    uint public number;

    /** @dev Constructor.
    *  @param _number The number to always return.
    */
    constructor(uint _number) public {
        number = _number;
    }

    /** @dev Contribute to the reward of a random number. All the ETH will be lost forever.
    *  @param _block Block the random number is linked to.
    */
    function contribute(uint _block) public payable {}


    /** @dev Get the "random number" (which is always the same).
    *  @param _block Block the random number is linked to.
    *  @return RN Random Number. If the number is not ready or has not been required 0 instead.
    */
    function getRN(uint _block) public returns (uint RN) {
        return number;
    }

}