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StoneScissorsPaper+CommitReveal
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StoneScissorsPaper+CommitReveal
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// SPDX-License-Identifier: GPL-3.0
pragma solidity 0.8.16;
abstract contract Context {
function _msgSender() internal view virtual returns (address) {
return msg.sender;
}
}
abstract contract Ownable is Context {
address private _owner;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
constructor() {
_transferOwnership(_msgSender());
}
modifier onlyOwner() {
_checkOwner();
_;
}
function owner() public view virtual returns (address) {
return _owner;
}
function _checkOwner() internal view virtual {
require(owner() == _msgSender(), "Ownable: caller is not the owner");
}
function transferOwnership(address newOwner) public virtual onlyOwner {
require(newOwner != address(0), "Ownable: new owner is the zero address");
_transferOwnership(newOwner);
}
function _transferOwnership(address newOwner) internal virtual {
address oldOwner = _owner;
_owner = newOwner;
emit OwnershipTransferred(oldOwner, newOwner);
}
}
contract game is Context, Ownable {
uint public FEE=10;
uint private valueGamer;
uint maxChoiceNumberSPS = 2;
uint durationSPS = 600;
uint count;
uint public withdrawFunds;
mapping (address=>uint) balances;
mapping (uint=>gameNumber) public SPS;
struct gameNumber {
uint startsAt;
uint endsAt;
address winner;
bool withrawPriseStopped;
uint playersCount;
uint bidValue; // first pay 10 (5 - for game, 5 - collateral), second pay 5
address first;
address second;
bytes32 firtstHashedChoice;
uint firstChoice; // 0 - stone, 1 - scissors, 2 -paper
uint secondChoice; // 0 - stone, 1 - scissors, 2 -paper
}
error ValueNotEven();
modifier onlyEvenValue(uint _amount) {
valueGamer = _amount / 2;
if ((2 * valueGamer) != _amount)
revert ValueNotEven();
_;
}
event gameStart (uint indexed gameNumber,uint indexed startsAt,uint indexed endsAt,uint gameValue);
event gameEnd (uint indexed gameNumber, address indexed winner);
event SomeoneMakeBid (uint indexed numberGame);
function startGameSPS (uint _amount, bytes32 _hashedChoice) external onlyEvenValue(_amount) {
require(_amount<= _getBalanceAcc() && _amount!=0 ,"Not enough funds!");
balances[_msgSender()]-=_amount;
count++;
SPS[count].first=_msgSender();
SPS[count].firtstHashedChoice=_hashedChoice;
SPS[count].startsAt = block.timestamp;
SPS[count].endsAt = block.timestamp+durationSPS;
SPS[count].playersCount++;
SPS[count].bidValue=_amount/2;
emit gameStart (count, SPS[count].startsAt, SPS[count].endsAt, SPS[count].bidValue);
}
function abort (uint _count) external {
require(block.timestamp>SPS[_count].endsAt, "Wait until game ends!");
require (_msgSender()==SPS[_count].first
|| _msgSender()==SPS[_count].second, "You not player!");
if (_msgSender()==SPS[_count].first) {
require (SPS[_count].second==address(0),
"You must reveal choice!");
require(!SPS[_count].withrawPriseStopped, "Prise received or stopped!");
SPS[_count].withrawPriseStopped=true;
balances[_msgSender()]+=SPS[_count].bidValue*2;
emit gameEnd(_count, SPS[_count].winner);
}
if (_msgSender()==SPS[_count].second) {
require (block.timestamp>SPS[_count].endsAt+3 hours,
"Wait for reveal choice 3 hours!");
require(!SPS[_count].withrawPriseStopped, "Prise received or stopped!");
SPS[_count].withrawPriseStopped=true;
balances[_msgSender()]+=SPS[_count].bidValue;
emit gameEnd(_count, SPS[_count].winner);
}
}
function makeChoiceSPS (uint _count, uint _amount, uint _choice)
external {
require(!SPS[_count].withrawPriseStopped, "Prise received or stopped!");
require(_amount<=_getBalanceAcc(),"Not enough funds!");
require(_choice<=maxChoiceNumberSPS, "Wrong choice number!");
require(block.timestamp<SPS[_count].endsAt, "Game over!");
require(_amount==SPS[_count].bidValue, "Wrong bid value!");
require (SPS[_count].second==address(0), "Someone already play!");
balances[_msgSender()]-=_amount;
SPS[_count].second=_msgSender();
SPS[_count].secondChoice=_choice;
SPS[_count].playersCount++;
emit SomeoneMakeBid (_count);
}
function revealChoice (uint _count, uint _choice, string calldata _secret) external {
require(!SPS[_count].withrawPriseStopped, "Prise received or stopped!");
require(SPS[_count].second!=address(0), "Missing opponent!");
require(_choice<=maxChoiceNumberSPS, "Wrong choice number!");
bytes32 commit=keccak256(abi.encode(_choice, _secret, _msgSender()));
require(commit==SPS[_count].firtstHashedChoice, "You can't change choice!");
SPS[_count].withrawPriseStopped=true;
SPS[_count].firstChoice=_choice;
if (SPS[_count].firstChoice==SPS[_count].secondChoice) {
balances[_msgSender()]+=SPS[_count].bidValue*2;
balances[SPS[count].second]+=SPS[_count].bidValue;
emit gameEnd(_count, SPS[_count].winner);
}
if (SPS[_count].firstChoice==0
&& SPS[_count].secondChoice==1
|| SPS[_count].firstChoice==1
&& SPS[_count].secondChoice==2
|| SPS[_count].firstChoice==2
&& SPS[_count].secondChoice==0
){
SPS[_count].winner=SPS[_count].first;
uint ownerAmount=SPS[_count].bidValue*2/100*FEE;
balances[SPS[_count].winner]+=SPS[_count].bidValue*3-ownerAmount;
withdrawFunds+=ownerAmount;
emit gameEnd(_count, SPS[_count].winner);
}
if (SPS[_count].firstChoice==1
&& SPS[_count].secondChoice==0
|| SPS[_count].firstChoice==0
&& SPS[_count].secondChoice==2
|| SPS[_count].firstChoice==2
&& SPS[_count].secondChoice==1
){
SPS[_count].winner=SPS[_count].second;
uint ownerAmount=SPS[_count].bidValue*2/100*FEE;
balances[SPS[_count].winner]+=SPS[_count].bidValue*2-ownerAmount;
withdrawFunds+=ownerAmount;
emit gameEnd(_count, SPS[_count].winner);
}
}
function getWinner (uint _count) public view returns(address) {
return SPS[_count].winner;
}
function getBalance () public view returns (uint) {
return address(this).balance;
}
function _getBalanceAcc () public view returns(uint){
return balances[_msgSender()];
}
function wihdrawBalance () external {
uint amount = balances[_msgSender()];
balances[_msgSender()] -= amount;
payable(_msgSender()).transfer(amount);
}
function withdraw () external onlyOwner {
uint _amount = withdrawFunds;
withdrawFunds -= _amount;
payable(_msgSender()).transfer(_amount);
}
function addBalance () external payable onlyEvenValue(msg.value){
balances[_msgSender()] += msg.value;
}
}