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// This contract is part of Zellic’s smart contract dataset, which is a collection of publicly available contract code gathered as of March 2023.
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
library SafeMath {
/**
* @dev Returns the addition of two unsigned integers, with an overflow flag.
*
* _Available since v3.4._
*/
function tryAdd(uint256 a, uint256 b)
internal
pure
returns (bool, uint256)
{
uint256 c = a + b;
if (c < a) return (false, 0);
return (true, c);
}
/**
* @dev Returns the subtraction of two unsigned integers, with an overflow flag.
*
* _Available since v3.4._
*/
function trySub(uint256 a, uint256 b)
internal
pure
returns (bool, uint256)
{
if (b > a) return (false, 0);
return (true, a - b);
}
/**
* @dev Returns the multiplication of two unsigned integers, with an overflow flag.
*
* _Available since v3.4._
*/
function tryMul(uint256 a, uint256 b)
internal
pure
returns (bool, uint256)
{
// Gas optimization: this is cheaper than requiring 'a' not being zero, but the
// benefit is lost if 'b' is also tested.
// See: https://github.com/OpenZeppelin/openzeppelin-contracts/pull/522
if (a == 0) return (true, 0);
uint256 c = a * b;
if (c / a != b) return (false, 0);
return (true, c);
}
/**
* @dev Returns the division of two unsigned integers, with a division by zero flag.
*
* _Available since v3.4._
*/
function tryDiv(uint256 a, uint256 b)
internal
pure
returns (bool, uint256)
{
if (b == 0) return (false, 0);
return (true, a / b);
}
/**
* @dev Returns the remainder of dividing two unsigned integers, with a division by zero flag.
*
* _Available since v3.4._
*/
function tryMod(uint256 a, uint256 b)
internal
pure
returns (bool, uint256)
{
if (b == 0) return (false, 0);
return (true, a % b);
}
/**
* @dev Returns the addition of two unsigned integers, reverting on
* overflow.
*
* Counterpart to Solidity's `+` operator.
*
* Requirements:
*
* - Addition cannot overflow.
*/
function add(uint256 a, uint256 b) internal pure returns (uint256) {
return a + b;
}
/**
* @dev Returns the subtraction of two unsigned integers, reverting on
* overflow (when the result is negative).
*
* Counterpart to Solidity's `-` operator.
*
* Requirements:
*
* - Subtraction cannot overflow.
*/
function sub(uint256 a, uint256 b) internal pure returns (uint256) {
return a - b;
}
/**
* @dev Returns the multiplication of two unsigned integers, reverting on
* overflow.
*
* Counterpart to Solidity's `*` operator.
*
* Requirements:
*
* - Multiplication cannot overflow.
*/
function mul(uint256 a, uint256 b) internal pure returns (uint256) {
return a * b;
}
/**
* @dev Returns the integer division of two unsigned integers, reverting on
* division by zero. The result is rounded towards zero.
*
* Counterpart to Solidity's `/` operator.
*
* Requirements:
*
* - The divisor cannot be zero.
*/
function div(uint256 a, uint256 b) internal pure returns (uint256) {
return a / b;
}
/**
* @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
* reverting when dividing by zero.
*
* Counterpart to Solidity's `%` operator. This function uses a `revert`
* opcode (which leaves remaining gas untouched) while Solidity uses an
* invalid opcode to revert (consuming all remaining gas).
*
* Requirements:
*
* - The divisor cannot be zero.
*/
function mod(uint256 a, uint256 b) internal pure returns (uint256) {
return a % b;
}
/**
* @dev Returns the subtraction of two unsigned integers, reverting with custom message on
* overflow (when the result is negative).
*
* CAUTION: This function is deprecated because it requires allocating memory for the error
* message unnecessarily. For custom revert reasons use {trySub}.
*
* Counterpart to Solidity's `-` operator.
*
* Requirements:
*
* - Subtraction cannot overflow.
*/
function sub(
uint256 a,
uint256 b,
string memory errorMessage
) internal pure returns (uint256) {
require(b <= a, errorMessage);
return a - b;
}
/**
* @dev Returns the integer division of two unsigned integers, reverting with custom message on
* division by zero. The result is rounded towards zero.
*
* Counterpart to Solidity's `/` operator. Note: this function uses a
* `revert` opcode (which leaves remaining gas untouched) while Solidity
* uses an invalid opcode to revert (consuming all remaining gas).
*
* Requirements:
*
* - The divisor cannot be zero.
*/
function div(
uint256 a,
uint256 b,
string memory errorMessage
) internal pure returns (uint256) {
require(b > 0, errorMessage);
return a / b;
}
/**
* @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
* reverting with custom message when dividing by zero.
*
* CAUTION: This function is deprecated because it requires allocating memory for the error
* message unnecessarily. For custom revert reasons use {tryMod}.
*
* Counterpart to Solidity's `%` operator. This function uses a `revert`
* opcode (which leaves remaining gas untouched) while Solidity uses an
* invalid opcode to revert (consuming all remaining gas).
*
* Requirements:
*
* - The divisor cannot be zero.
*/
function mod(
uint256 a,
uint256 b,
string memory errorMessage
) internal pure returns (uint256) {
require(b > 0, errorMessage);
return a % b;
}
}
contract Context {
function _msgSender() internal view returns (address) {
return msg.sender;
}
function _msgData() internal view virtual returns (bytes calldata) {
return msg.data;
}
}
contract Ownable is Context {
address private _owner;
event OwnershipTransferred(
address indexed previousOwner,
address indexed newOwner
);
/**
* @dev Initializes the contract setting the deployer as the initial owner.
*/
constructor() {
_transferOwnership(_msgSender());
}
/**
* @dev Throws if called by any account other than the owner.
*/
modifier onlyOwner() {
_checkOwner();
_;
}
/**
* @dev Returns the address of the current owner.
*/
function owner() public view virtual returns (address) {
return _owner;
}
/**
* @dev Throws if the sender is not the owner.
*/
function _checkOwner() internal view virtual {
require(owner() == _msgSender(), "Ownable: caller is not the owner");
}
/**
* @dev Leaves the contract without owner. It will not be possible to call
* `onlyOwner` functions anymore. Can only be called by the current owner.
*
* NOTE: Renouncing ownership will leave the contract without an owner,
* thereby removing any functionality that is only available to the owner.
*/
function renounceOwnership() public virtual onlyOwner {
_transferOwnership(address(0));
}
/**
* @dev Transfers ownership of the contract to a new account (`newOwner`).
* Can only be called by the current owner.
*/
function transferOwnership(address newOwner) public virtual onlyOwner {
require(
newOwner != address(0),
"Ownable: new owner is the zero address"
);
_transferOwnership(newOwner);
}
/**
* @dev Transfers ownership of the contract to a new account (`newOwner`).
* Internal function without access restriction.
*/
function _transferOwnership(address newOwner) internal virtual {
address oldOwner = _owner;
_owner = newOwner;
emit OwnershipTransferred(oldOwner, newOwner);
}
}
interface IERC20 {
/**
* @dev Emitted when `value` tokens are moved from one account (`from`) to
* another (`to`).
*
* Note that `value` may be zero.
*/
event Transfer(address indexed from, address indexed to, uint256 value);
/**
* @dev Emitted when the allowance of a `spender` for an `owner` is set by
* a call to {approve}. `value` is the new allowance.
*/
event Approval(
address indexed owner,
address indexed spender,
uint256 value
);
/**
* @dev Returns the amount of tokens in existence.
*/
function totalSupply() external view returns (uint256);
/**
* @dev Returns the amount of tokens owned by `account`.
*/
function balanceOf(address account) external view returns (uint256);
/**
* @dev Moves `amount` tokens from the caller's account to `to`.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* Emits a {Transfer} event.
*/
function transfer(address to, uint256 amount) external returns (bool);
/**
* @dev Returns the remaining number of tokens that `spender` will be
* allowed to spend on behalf of `owner` through {transferFrom}. This is
* zero by default.
*
* This value changes when {approve} or {transferFrom} are called.
*/
function allowance(address owner, address spender)
external
view
returns (uint256);
/**
* @dev Sets `amount` as the allowance of `spender` over the caller's tokens.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* IMPORTANT: Beware that changing an allowance with this method brings the risk
* that someone may use both the old and the new allowance by unfortunate
* transaction ordering. One possible solution to mitigate this race
* condition is to first reduce the spender's allowance to 0 and set the
* desired value afterwards:
* https://github.com/ethereum/EIPs/issues/20#issuecomment-263524729
*
* Emits an {Approval} event.
*/
function approve(address spender, uint256 amount) external returns (bool);
/**
* @dev Moves `amount` tokens from `from` to `to` using the
* allowance mechanism. `amount` is then deducted from the caller's
* allowance.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* Emits a {Transfer} event.
*/
function transferFrom(
address from,
address to,
uint256 amount
) external returns (bool);
}
contract OpenHatch is Ownable {
using SafeMath for *;
uint256 private _days;
address fundBox;
uint256 submit_fee = 10; // 2% foundation
uint256 fee = 200; // 2% foundation
//variables defined
address[] public judges;
string private code;
enum TYPEBOX{ REWARDS, FEES }
struct Proposal_str {
uint256 budget;
uint256[] slot_budget;
uint256[] slot_paid;
address author;
address acceptor;
string id;
uint256 start_date;
uint256 due_date;
bool active;
address base_token;
}
struct Judge_form {
address judge;
address _base_token;
uint256 deposit;
string id;
bool active;
bool withdraw;
}
struct Subscribe_form {
address owner;
uint256 fee;
bool active;
uint256 due_date;
uint256 start_date;
address base_token;
}
struct Box_Fees {
TYPEBOX boxType;
uint sum;
}
mapping(string => Subscribe_form) private _Subscribe;
mapping(string => uint256) private balanceSubscription;
mapping(string => Proposal_str) _OpenHatch;
mapping(string => Judge_form) _judges;
mapping(address => uint) _depositJudges;
mapping(address => mapping(TYPEBOX => uint)) public _depositBox;
mapping(address => uint) private _limitionWithdraw;
Proposal_str proposal_str;
constructor(
address fundBox_address,
string memory _code,
uint256 Days
) {
code = _code;
fundBox = fundBox_address;
_days = Days;
}
//modifiers
modifier onlyAuthor(string memory id) {
require(msg.sender == _OpenHatch[id].author, "Not owner");
// Underscore is a special character only used inside
// a function modifier and it tells Solidity to
// execute the rest of the code.
_;
}
modifier isOpen(string memory id) {
require(_OpenHatch[id].active, "Not owner");
// Underscore is a special character only used inside
// a function modifier and it tells Solidity to
// execute the rest of the code.
_;
}
//functions
function submit_openHatch(
address[] memory mix_addresses,// author , acceptor , bastoken
uint256 _budget,
uint256[] memory _slot_budget,
uint256[] memory _slot_paid,
string memory _id,
uint256 _due_date
) public returns (bool) {
//
require(
keccak256(bytes(_OpenHatch[_id].id)) != keccak256(bytes(_id)),
"This OpenHatck has been registerd "
);
// uint f = _budget;
uint256 totalFee = (_budget * fee) / get_submitFee();
uint256 real_budget = _budget - totalFee;
uint256 fee_rewards = totalFee/2;
uint256 fee_admin = totalFee - fee_rewards;
// require(sum_array(_slot_budget, platfdorm), "The total budget is wrong!");
//send to fund box
_depositBox[mix_addresses[2]][TYPEBOX.FEES] = _depositBox[mix_addresses[2]][TYPEBOX.FEES] + fee_admin;
_depositBox[mix_addresses[2]][TYPEBOX.REWARDS] = _depositBox[mix_addresses[2]][TYPEBOX.REWARDS] + fee_rewards;
// _depositBox[TYPEBOX.FEES]=_depositBox[TYPEBOX.FEES]+fee_admin;
transferToContract(mix_addresses[2], msg.sender, address(this), _budget);
creator(
real_budget,
_slot_budget,
_slot_paid,
mix_addresses,
_id,
timestamp(),
_due_date
);
return true;
}
function creator(
uint256 _budget,
uint256[] memory _slot_budget,
uint256[] memory _slot_paid,
address[] memory mix_addresses,
string memory _id,
uint256 _start_date,
uint256 _due_date
) internal slot_(_budget,_slot_budget){
//make openhatch
_OpenHatch[_id] = Proposal_str(
_budget,
_slot_budget,
_slot_paid,
mix_addresses[0],//author
mix_addresses[1],//_acceptor
_id,
_start_date,
_due_date,
true,
mix_addresses[2]//_base_token
);
}
modifier slot_(
uint256 _budget,
uint256[] memory _slot_budget
)
{
bool result = false;
uint total = 0;
for (uint256 i = 0; i < _slot_budget.length; i++) {
total = _slot_budget[i]+total;
}
if(total == _budget){
result = true;
}
require(total != _budget, "the budget is opposite of slots");
// Underscore is a special character only used inside
// a function modifier and it tells Solidity to
// execute the rest of the code.
_;
}
function get_openHatck(string memory id)
public
view
returns (Proposal_str memory)
{
return _OpenHatch[id];
}
function get_submitFee()
public
view
returns ( uint)
{
return submit_fee*1000;
}
function get_rewardsBox(address base_token)
public
view
returns ( uint)
{
return _depositBox[base_token][TYPEBOX.REWARDS];
}
function get_adminBox(address base_token)
public
view
returns ( uint)
{
return _depositBox[base_token][TYPEBOX.FEES];
}
function set_submitFee(uint _fee)
public
onlyOwner
{
submit_fee = _fee;
}
function close_openHatch(string memory id)
public
onlyAuthor(id)
isOpen(id)
{
_OpenHatch[id].active = false;
}
function submitAsSubscribe(
uint256 _fee,
string memory _authorId,
address _base_token
) public returns (bool) {
require(
balance_token(_base_token, msg.sender) >= _fee,
"Please submit the asking fee!"
);
transferToContract(_base_token, msg.sender, address(this), _fee);
_Subscribe[_authorId] = Subscribe_form(
msg.sender,
_fee,
true,
timestampDays(_days),
timestamp(),
_base_token
);
return true;
}
function submitSubscription(uint256 _fee, string memory _authorId)
public
returns (bool)
{
address token = _Subscribe[_authorId].base_token;
require(
balance_token(token, msg.sender) >= _fee,
"Please submit the asking fee!"
);
require(
_Subscribe[_authorId].due_date != timestamp(),
"This Subscribe Is unavailable !"
);
transferToContract(token, msg.sender, address(this), _fee);
balanceSubscription[_authorId] = balanceSubscription[_authorId] + _fee;
return true;
}
function returnSubscribe(string memory _authorId)
public
view
returns (Subscribe_form memory)
{
return _Subscribe[_authorId];
}
function WithdrawSubscrip(uint256 _fee, string memory _authorId)
public
returns (bool)
{
require(
balanceSubscription[_authorId] >= _fee,
"Please submit the asking fee!"
);
require(
_Subscribe[_authorId].active == false,
"This Subscribe Is unavailable !"
);
require(
_Subscribe[_authorId].owner != msg.sender,
"This Subscribe Is unavailable !"
);
transferFromContract(
_Subscribe[_authorId].base_token,
_Subscribe[_authorId].owner,
_fee
);
balanceSubscription[_authorId] = balanceSubscription[_authorId] - _fee;
return true;
}
function withdrawReward(uint256 amount, string memory _judgeId,address base_token)
public
returns (bool)
{
require(
_judges[_judgeId].active == false,
"This _judgeId Is unavailable !"
);
require(
_depositBox[base_token][TYPEBOX.REWARDS]< amount,
"This _judgeId Is unavailable !"
);
require(
_judges[_judgeId].judge != msg.sender,
"This _judgeId Is unavailable !"
);
require(
_limitionWithdraw[msg.sender] != timestamp(),
"This Subscribe Is unavailable !"
);
transferFromContract(
base_token,
_judges[_judgeId].judge,
amount
);
_depositBox[base_token][TYPEBOX.REWARDS] =_depositBox[base_token][TYPEBOX.REWARDS]- amount ;
_limitionWithdraw[msg.sender] = timestampDays(8);
return true;
}
function limitaionJudge() public view returns (uint){
return _limitionWithdraw[msg.sender];
}
function withdrawRewardAdmin(uint256 amount, address base_token)
public
onlyOwner
returns (bool)
{
require(
_depositBox[base_token][TYPEBOX.FEES]< amount,
"This Subscribe Is unavailable !"
);
transferFromContract(
base_token,
owner(),
amount
);
_depositBox[base_token][TYPEBOX.FEES] = _depositBox[base_token][TYPEBOX.FEES] - amount ;
return true;
}
function close_openHatch_admin(string memory id)
public
onlyOwner
isOpen(id)
{
_OpenHatch[id].active = false;
}
function add_pays(uint256[] memory phase_indexs, string memory id)
public
onlyAuthor(id)
isOpen(id)
{
for (uint256 i = 0; i < phase_indexs.length; i++) {
add_pay(phase_indexs[i], id);
}
}
function add_pay(uint256 phase_index, string memory id)
public
onlyAuthor(id)
isOpen(id)
{
proposal_str = _OpenHatch[id];
if (phase_index > proposal_str.slot_paid.length) return;
//send to acceptor
transferFromContract(
proposal_str.base_token,
proposal_str.acceptor,
proposal_str.slot_budget[phase_index]
);
//paid success
proposal_str.slot_paid.push(proposal_str.slot_paid.length + 1);
}
function add_pay_admin(uint256 phase_index, string memory id)
public
onlyOwner
isOpen(id)
{
proposal_str = _OpenHatch[id];
if (phase_index > proposal_str.slot_paid.length) return;
//send to acceptor
transferFromContract(
proposal_str.base_token,
proposal_str.acceptor,
proposal_str.slot_budget[phase_index]
);
//paid success
proposal_str.slot_paid.push(proposal_str.slot_paid.length + 1);
}
function add_judge(
string memory id,
string memory _code,
uint256 deposit,
address _base_token
) public {
if (
(keccak256(abi.encodePacked((_code))) !=
keccak256(abi.encodePacked((code))))
) {
revert("This code not found");
}
require(
keccak256(bytes(_judges[id].id)) != keccak256(bytes(id)),
"This Judge has been registerd "
);
_judges[id] = Judge_form(
msg.sender,
_base_token,
deposit,
id,
true,
false
);
//send deposit to contarct
transferToContract(_base_token, msg.sender, address(this), deposit);
}
function get_judge(string memory _id)
public
view
returns (Judge_form memory)
{
return _judges[_id];
}
function pop_judge(string memory _id) internal onlyOwner {
_judges[_id].active = false;
_judges[_id].withdraw = true;
//back deposit to judge
// //send to owner of platform
transferFromContract(
_judges[_id]._base_token,
_judges[_id].judge,
_judges[_id].deposit
);
}
function change_FundBox_address(address _newAddress) public onlyOwner {
fundBox = _newAddress;
}
function change_fee(uint256 _newFee) public onlyOwner {
fee = _newFee;
}
//helpers
function sum_array(uint256[] memory array, uint256 total)
internal
pure
returns (bool)
{
uint256 sum = 0;
for (uint256 i = 0; i < array.length; i++) {
sum = array[i] + sum;
}
if (sum > total) {
return false;
} else {
return true;
}
}
function fee_platform(uint256 pre) public view returns (uint256) {
return (pre * fee) / 10000; //
}
function transferToContract(
address token,
address from,
address to,
uint256 amount
) internal {
// requires approval from `victim` to `TokenSwap`
IERC20(token).transferFrom(from, to, amount);
// bool owner_share_sent = payable(_owner).send(owner_share);
}
function balance_token(address token, address own)
public
view
returns (uint256)
{
// requires approval from `victim` to `TokenSwap`
return IERC20(token).balanceOf(own);
}
function transferFromContract(
address token,
address to,
uint256 amount
) internal {
IERC20(token).transfer(to, amount);
}
function allowcheck(
address token,
address owner,
address spender
) public view returns (uint256) {
return IERC20(token).allowance(owner, spender);
}
function timestamp() private view returns (uint256) {
return 1000 * block.timestamp; // solidity count seconds, not miliseconds
}
function timestampDays(uint _day) private view returns (uint256) {
uint256 time = 1000 * block.timestamp;
time = _day * 86400000;
return time; // solidity count seconds, not miliseconds
}
} |