Contract Source Code:
// SPDX-License-Identifier: MIT
// OpenZeppelin Contracts (last updated v4.8.0) (security/ReentrancyGuard.sol)
pragma solidity ^0.8.0;
/**
* @dev Contract module that helps prevent reentrant calls to a function.
*
* Inheriting from `ReentrancyGuard` will make the {nonReentrant} modifier
* available, which can be applied to functions to make sure there are no nested
* (reentrant) calls to them.
*
* Note that because there is a single `nonReentrant` guard, functions marked as
* `nonReentrant` may not call one another. This can be worked around by making
* those functions `private`, and then adding `external` `nonReentrant` entry
* points to them.
*
* TIP: If you would like to learn more about reentrancy and alternative ways
* to protect against it, check out our blog post
* https://blog.openzeppelin.com/reentrancy-after-istanbul/[Reentrancy After Istanbul].
*/
abstract contract ReentrancyGuard {
// Booleans are more expensive than uint256 or any type that takes up a full
// word because each write operation emits an extra SLOAD to first read the
// slot's contents, replace the bits taken up by the boolean, and then write
// back. This is the compiler's defense against contract upgrades and
// pointer aliasing, and it cannot be disabled.
// The values being non-zero value makes deployment a bit more expensive,
// but in exchange the refund on every call to nonReentrant will be lower in
// amount. Since refunds are capped to a percentage of the total
// transaction's gas, it is best to keep them low in cases like this one, to
// increase the likelihood of the full refund coming into effect.
uint256 private constant _NOT_ENTERED = 1;
uint256 private constant _ENTERED = 2;
uint256 private _status;
constructor() {
_status = _NOT_ENTERED;
}
/**
* @dev Prevents a contract from calling itself, directly or indirectly.
* Calling a `nonReentrant` function from another `nonReentrant`
* function is not supported. It is possible to prevent this from happening
* by making the `nonReentrant` function external, and making it call a
* `private` function that does the actual work.
*/
modifier nonReentrant() {
_nonReentrantBefore();
_;
_nonReentrantAfter();
}
function _nonReentrantBefore() private {
// On the first call to nonReentrant, _status will be _NOT_ENTERED
require(_status != _ENTERED, "ReentrancyGuard: reentrant call");
// Any calls to nonReentrant after this point will fail
_status = _ENTERED;
}
function _nonReentrantAfter() private {
// By storing the original value once again, a refund is triggered (see
// https://eips.ethereum.org/EIPS/eip-2200)
_status = _NOT_ENTERED;
}
}
//SPDX-License-Identifier: MIT
pragma solidity 0.8.18;
import "@openzeppelin/contracts/security/ReentrancyGuard.sol";
interface IERC20 {
/**
* @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);
/**
* @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);
}
library Address {
/**
* @dev Returns true if `account` is a contract.
*
* [IMPORTANT]
* ====
* It is unsafe to assume that an address for which this function returns
* false is an externally-owned account (EOA) and not a contract.
*
* Among others, `isContract` will return false for the following
* types of addresses:
*
* - an externally-owned account
* - a contract in construction
* - an address where a contract will be created
* - an address where a contract lived, but was destroyed
* ====
*
* [IMPORTANT]
* ====
* You shouldn't rely on `isContract` to protect against flash loan attacks!
*
* Preventing calls from contracts is highly discouraged. It breaks composability, breaks support for smart wallets
* like Gnosis Safe, and does not provide security since it can be circumvented by calling from a contract
* constructor.
* ====
*/
function isContract(address account) internal view returns (bool) {
// This method relies on extcodesize/address.code.length, which returns 0
// for contracts in construction, since the code is only stored at the end
// of the constructor execution.
return account.code.length > 0;
}
/**
* @dev Replacement for Solidity's `transfer`: sends `amount` wei to
* `recipient`, forwarding all available gas and reverting on errors.
*
* https://eips.ethereum.org/EIPS/eip-1884[EIP1884] increases the gas cost
* of certain opcodes, possibly making contracts go over the 2300 gas limit
* imposed by `transfer`, making them unable to receive funds via
* `transfer`. {sendValue} removes this limitation.
*
* https://diligence.consensys.net/posts/2019/09/stop-using-soliditys-transfer-now/[Learn more].
*
* IMPORTANT: because control is transferred to `recipient`, care must be
* taken to not create reentrancy vulnerabilities. Consider using
* {ReentrancyGuard} or the
* https://solidity.readthedocs.io/en/v0.5.11/security-considerations.html#use-the-checks-effects-interactions-pattern[checks-effects-interactions pattern].
*/
function sendValue(address payable recipient, uint256 amount) internal {
require(address(this).balance >= amount, "Address: insufficient balance");
(bool success, ) = recipient.call{value: amount}("");
require(success, "Address: unable to send value, recipient may have reverted");
}
/**
* @dev Performs a Solidity function call using a low level `call`. A
* plain `call` is an unsafe replacement for a function call: use this
* function instead.
*
* If `target` reverts with a revert reason, it is bubbled up by this
* function (like regular Solidity function calls).
*
* Returns the raw returned data. To convert to the expected return value,
* use https://solidity.readthedocs.io/en/latest/units-and-global-variables.html?highlight=abi.decode#abi-encoding-and-decoding-functions[`abi.decode`].
*
* Requirements:
*
* - `target` must be a contract.
* - calling `target` with `data` must not revert.
*
* _Available since v3.1._
*/
function functionCall(address target, bytes memory data) internal returns (bytes memory) {
return functionCall(target, data, "Address: low-level call failed");
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`], but with
* `errorMessage` as a fallback revert reason when `target` reverts.
*
* _Available since v3.1._
*/
function functionCall(
address target,
bytes memory data,
string memory errorMessage
) internal returns (bytes memory) {
return functionCallWithValue(target, data, 0, errorMessage);
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
* but also transferring `value` wei to `target`.
*
* Requirements:
*
* - the calling contract must have an ETH balance of at least `value`.
* - the called Solidity function must be `payable`.
*
* _Available since v3.1._
*/
function functionCallWithValue(
address target,
bytes memory data,
uint256 value
) internal returns (bytes memory) {
return functionCallWithValue(target, data, value, "Address: low-level call with value failed");
}
/**
* @dev Same as {xref-Address-functionCallWithValue-address-bytes-uint256-}[`functionCallWithValue`], but
* with `errorMessage` as a fallback revert reason when `target` reverts.
*
* _Available since v3.1._
*/
function functionCallWithValue(
address target,
bytes memory data,
uint256 value,
string memory errorMessage
) internal returns (bytes memory) {
require(address(this).balance >= value, "Address: insufficient balance for call");
require(isContract(target), "Address: call to non-contract");
(bool success, bytes memory returndata) = target.call{value: value}(data);
return verifyCallResult(success, returndata, errorMessage);
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
* but performing a static call.
*
* _Available since v3.3._
*/
function functionStaticCall(address target, bytes memory data) internal view returns (bytes memory) {
return functionStaticCall(target, data, "Address: low-level static call failed");
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
* but performing a static call.
*
* _Available since v3.3._
*/
function functionStaticCall(
address target,
bytes memory data,
string memory errorMessage
) internal view returns (bytes memory) {
require(isContract(target), "Address: static call to non-contract");
(bool success, bytes memory returndata) = target.staticcall(data);
return verifyCallResult(success, returndata, errorMessage);
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-}[`functionCall`],
* but performing a delegate call.
*
* _Available since v3.4._
*/
function functionDelegateCall(address target, bytes memory data) internal returns (bytes memory) {
return functionDelegateCall(target, data, "Address: low-level delegate call failed");
}
/**
* @dev Same as {xref-Address-functionCall-address-bytes-string-}[`functionCall`],
* but performing a delegate call.
*
* _Available since v3.4._
*/
function functionDelegateCall(
address target,
bytes memory data,
string memory errorMessage
) internal returns (bytes memory) {
require(isContract(target), "Address: delegate call to non-contract");
(bool success, bytes memory returndata) = target.delegatecall(data);
return verifyCallResult(success, returndata, errorMessage);
}
/**
* @dev Tool to verifies that a low level call was successful, and revert if it wasn't, either by bubbling the
* revert reason using the provided one.
*
* _Available since v4.3._
*/
function verifyCallResult(
bool success,
bytes memory returndata,
string memory errorMessage
) internal pure returns (bytes memory) {
if (success) {
return returndata;
} else {
// Look for revert reason and bubble it up if present
if (returndata.length > 0) {
// The easiest way to bubble the revert reason is using memory via assembly
assembly {
let returndata_size := mload(returndata)
revert(add(32, returndata), returndata_size)
}
} else {
revert(errorMessage);
}
}
}
}
library SafeERC20 {
using Address for address;
function safeTransfer(
IERC20 token,
address to,
uint256 value
) internal {
_callOptionalReturn(token, abi.encodeWithSelector(token.transfer.selector, to, value));
}
function safeTransferFrom(
IERC20 token,
address from,
address to,
uint256 value
) internal {
_callOptionalReturn(token, abi.encodeWithSelector(token.transferFrom.selector, from, to, value));
}
/**
* @dev Deprecated. This function has issues similar to the ones found in
* {IERC20-approve}, and its usage is discouraged.
*
* Whenever possible, use {safeIncreaseAllowance} and
* {safeDecreaseAllowance} instead.
*/
function safeApprove(
IERC20 token,
address spender,
uint256 value
) internal {
// safeApprove should only be called when setting an initial allowance,
// or when resetting it to zero. To increase and decrease it, use
// 'safeIncreaseAllowance' and 'safeDecreaseAllowance'
require(
(value == 0) || (token.allowance(address(this), spender) == 0),
"SafeERC20: approve from non-zero to non-zero allowance"
);
_callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, value));
}
function safeIncreaseAllowance(
IERC20 token,
address spender,
uint256 value
) internal {
uint256 newAllowance = token.allowance(address(this), spender) + value;
_callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance));
}
function safeDecreaseAllowance(
IERC20 token,
address spender,
uint256 value
) internal {
unchecked {
uint256 oldAllowance = token.allowance(address(this), spender);
require(oldAllowance >= value, "SafeERC20: decreased allowance below zero");
uint256 newAllowance = oldAllowance - value;
_callOptionalReturn(token, abi.encodeWithSelector(token.approve.selector, spender, newAllowance));
}
}
/**
* @dev Imitates a Solidity high-level call (i.e. a regular function call to a contract), relaxing the requirement
* on the return value: the return value is optional (but if data is returned, it must not be false).
* @param token The token targeted by the call.
* @param data The call data (encoded using abi.encode or one of its variants).
*/
function _callOptionalReturn(IERC20 token, bytes memory data) private {
// We need to perform a low level call here, to bypass Solidity's return data size checking mechanism, since
// we're implementing it ourselves. We use {Address.functionCall} to perform this call, which verifies that
// the target address contains contract code and also asserts for success in the low-level call.
bytes memory returndata = address(token).functionCall(data, "SafeERC20: low-level call failed");
if (returndata.length > 0) {
// Return data is optional
require(abi.decode(returndata, (bool)), "SafeERC20: ERC20 operation did not succeed");
}
}
}
contract SATStaking is ReentrancyGuard{
/** Stake event logs **/
event Stake(
address indexed staker,
uint sats,
uint duration,
uint arraySlot,
uint activeStakes
);
/** Stake Claim event logs **/
event StakeClaim(
address indexed initializer,
address indexed staker,
uint payout,
uint daysDelayed,
uint activeStakes
);
event DirectStakeClaim(
address indexed staker,
uint payout,
uint activeStakes
);
/** Lobby event logs **/
event InTheLobby(
uint entryDay,
uint ethCheckedIn,
address indexed lobbyMember,
address indexed referrer
);
event LeftTheLobby(
uint entryDay,
uint exitDay,
uint ethCheckedOut,
uint totalRewards,
address indexed lobbyMember,
uint ethLeftInLobby
);
/** Satoshis Vision token interface and Safety Wrapper **/
using SafeERC20 for IERC20;
IERC20 public SatoshisVision = IERC20(0x6C22910c6F75F828B305e57c6a54855D8adeAbf8);
uint public immutable LaunchTime; //Launch time contract
uint public TotalShares; //Total share of users
uint public MaxStakeDuration = 5479; //Maximum stake time in days
uint public EndOfLobby = 365; //Final day of an active lobby in days
uint private MinUnstakePenalty = 182; //The minimum number days to be used when calulating penalty for an early unstake
uint private OriginScale = 10; //Origin scale: represents 10% of penalty / payout sent to the origin address
uint private FlushScale = 1000; //Flush scale: represents 0.1% sent to flush address
uint private PenaltyScale = 4; //Penalty scale: represents 25% of penalties to leave in the lobby
uint private DurationScale = 700; //Duration scale: represents 0.14% of penalties deducted from payout after a late unstake
address private Reserve = 0xD14e0D9DB23A7925c6C19C28D9A616d873357CBD;
address public OriginAddr = 0xaDEF1dd539a70D59477f9CF18354F9c264fFf40f;
address payable public FlushAddr = payable(0xaDEF1dd539a70D59477f9CF18354F9c264fFf40f);
struct StakeCollection {
uint sats;
uint share;
uint startday;
uint payday;
uint duration;
}
struct StakeHistory {
uint sats;
uint share;
int yield;
uint startday;
uint payday;
uint duration;
uint closed;
}
struct LobbyEntries {
uint ethCheckIn;
address referralAddress;
}
/** Stakers mapping **/
mapping(address => StakeCollection[]) public stakersArray;
mapping(address => StakeHistory[]) public stakersHistory;
/** Lobby mappings**/
mapping(uint => mapping(address => LobbyEntries[])) public lobby;
mapping(address => uint[]) public lobbyMapping; //Used by frontend to view a lobby member's day of entry. Does not affect flow of contract
mapping(uint => uint) public lobbyTotalEth;
mapping(uint => uint) public lobbyCut;
constructor() {
LaunchTime = block.timestamp;
}
function currentDay() public view returns (uint){
return (block.timestamp - LaunchTime) / 1 days;
}
function timeStamp() external view returns (uint){
return block.timestamp;
}
function contractBalance()
public
view
returns (uint)
{
return SatoshisVision.balanceOf(address(this));
}
function deleteFromMapping(address _recipient, uint _arraySlot)
private
{
if (_arraySlot != stakersArray[_recipient].length - 1) {
stakersArray[_recipient][_arraySlot] = stakersArray[_recipient][stakersArray[_recipient].length - 1];
}
stakersArray[_recipient].pop();
}
function stakeSatoshisVision(uint256 _satoshiAmount, uint256 _duration)
external
nonReentrant
{
require(_satoshiAmount > 10000, "Stake amount too low");
require(_duration >= 7 && _duration <= MaxStakeDuration, "INVALID STAKE TIME");
SatoshisVision.safeTransferFrom(msg.sender, address(this), _satoshiAmount);// CHANGE ADDRESS ON MAINNET
if (TotalShares == 0 ){
stakersArray[msg.sender].push(StakeCollection(_satoshiAmount, _satoshiAmount, block.timestamp, block.timestamp + (_duration * 1 days), _duration));
stakersHistory[msg.sender].push(StakeHistory(_satoshiAmount, _satoshiAmount, 0, block.timestamp, block.timestamp + (_duration * 1 days), _duration, 0));
TotalShares += _satoshiAmount;
}
else{
uint TotalSATS = contractBalance();
uint SATShare = _satoshiAmount * TotalShares / TotalSATS;
stakersArray[msg.sender].push(StakeCollection(_satoshiAmount, SATShare, block.timestamp, block.timestamp + (_duration * 1 days), _duration));
stakersHistory[msg.sender].push(StakeHistory(_satoshiAmount, SATShare, 0, block.timestamp, block.timestamp + (_duration * 1 days), _duration, 0));
TotalShares += SATShare;
}
emit Stake(msg.sender, _satoshiAmount, _duration, stakersArray[msg.sender].length - 1, stakersArray[msg.sender].length);
}
function matureUnstake(address _recipient, uint _arraySlot)
external
nonReentrant
{
require(_recipient != address(0), "Address zero not allowed");
require(_recipient != address(this), "Contract address not allowed");
require(stakersArray[_recipient].length != 0, "Recipient has no Stakes");
require(_arraySlot < stakersArray[_recipient].length, "Invalid slot");
StakeCollection memory sc = stakersArray[_recipient][_arraySlot];
require(block.timestamp >= sc.payday, "Immature Unstake");
uint TotalSATS = contractBalance();
uint SATS = sc.share * TotalSATS / TotalShares;
uint payout = _calculatePayout(SATS, sc.duration * 1 days);
uint totalPayout = SATS + payout;
uint delay = block.timestamp - sc.payday;
if (delay > 14 days){
totalPayout = _calculateLatePayout(totalPayout, delay - 14 days);
}
TotalShares -= sc.share;
stakersHistory[_recipient][_arraySlot] = StakeHistory(sc.sats, sc.share, int(totalPayout) - int(sc.sats), sc.startday, sc.payday, sc.duration, block.timestamp);
deleteFromMapping(_recipient, _arraySlot);
if (totalPayout > 0){
if (totalPayout > SATS && totalPayout - SATS > OriginScale){
uint OriginAccounting = (totalPayout - SATS) / OriginScale;
SatoshisVision.safeTransferFrom(Reserve, address(this), totalPayout - SATS);
SatoshisVision.safeTransfer(OriginAddr, OriginAccounting);
SatoshisVision.safeTransfer(_recipient, totalPayout - OriginAccounting);
}
else{
SatoshisVision.safeTransfer(_recipient, totalPayout);
}
}
emit StakeClaim(msg.sender, _recipient, totalPayout, delay > 1 days ? delay / 1 days : 0, stakersArray[_recipient].length);
}
function unstake(uint _arraySlot)
external
nonReentrant
{
require(msg.sender != address(0), "Address zero not allowed");
require(msg.sender != address(this), "Contract address not allowed");
require(stakersArray[msg.sender].length != 0, "You have no Stakes");
require(_arraySlot < stakersArray[msg.sender].length, "Invalid slot");
StakeCollection memory sc = stakersArray[msg.sender][_arraySlot];
uint TotalSATS = contractBalance();
uint SATS = sc.share * TotalSATS / TotalShares;
uint totalPayout;
if (sc.payday > block.timestamp){
uint actualStakeTime = block.timestamp - sc.startday;
require(actualStakeTime > 0);
totalPayout = _calculateEarlyPayout(SATS, actualStakeTime);
}
else{
uint payout = _calculatePayout(SATS, sc.duration * 1 days);
totalPayout = SATS + payout;
uint delay = block.timestamp - sc.payday;
if (delay > 14 days){
totalPayout = _calculateLatePayout(totalPayout, delay - 14 days);
}
}
TotalShares -= sc.share;
stakersHistory[msg.sender][_arraySlot] = StakeHistory(sc.sats, sc.share, int(totalPayout) - int(sc.sats), sc.startday, sc.payday, sc.duration, block.timestamp);
deleteFromMapping(msg.sender, _arraySlot);
if (totalPayout > 0){
if (totalPayout > SATS && totalPayout - SATS > OriginScale){
uint OriginAccounting = (totalPayout - SATS) / OriginScale;
SatoshisVision.safeTransferFrom(Reserve, address(this), totalPayout - SATS);
SatoshisVision.safeTransfer(OriginAddr, OriginAccounting);
SatoshisVision.safeTransfer(msg.sender, totalPayout - OriginAccounting);
}
else{
SatoshisVision.safeTransfer(msg.sender, totalPayout);
}
}
emit DirectStakeClaim(msg.sender, totalPayout, stakersArray[msg.sender].length);
}
function _calculatePayout(uint _sats, uint _seconds)
internal
pure
returns (uint payout)
{
uint longerPaysBetter = (_sats * (_seconds / 1 days)) / 1820;
uint biggerPaysBetter = _sats < 1e15 ? (_sats ** 2) / 21e15 : 4e13;
payout = longerPaysBetter + biggerPaysBetter;
}
function _calculateEarlyPayout(uint _sats, uint _seconds)
internal
returns (uint)
{
if (_seconds < 1 days) _seconds = 1 days;
uint payout = _calculatePayout(_sats, _seconds);
uint penalty = (payout * MinUnstakePenalty) / (_seconds / 1 days);
uint totalPayout = _sats + payout > penalty ? (_sats + payout) - penalty : 0;
if (penalty <= _sats) {
if(currentDay() < EndOfLobby){
SatoshisVision.safeTransfer(OriginAddr, penalty / OriginScale);
lobbyCut[currentDay()] += penalty / PenaltyScale;
}
else{
SatoshisVision.safeTransfer(OriginAddr, penalty / OriginScale);
SatoshisVision.safeTransfer(Reserve, penalty / PenaltyScale);
}
}
return totalPayout;
}
function _calculateLatePayout(uint _totalPayout, uint _seconds)
internal
view
returns (uint actualPayout)
{
uint penalty = _calculateLatePenalty(_totalPayout, _seconds);
actualPayout = penalty < _totalPayout ? _totalPayout - penalty : 0;
}
function _calculateLatePenalty(uint _rawPayout, uint _seconds)
internal
view
returns (uint penalty)
{
uint secondsToDays = _seconds / 1 days;
penalty = _rawPayout * secondsToDays / DurationScale;
}
/** @notice
Helper for frontend to receive user's stake length
*/
function individualStakesLength(address _recipient)
external
view
returns (uint, uint)
{
return (stakersArray[_recipient].length, stakersHistory[_recipient].length);
}
/** @notice
Enter lobby with Eth to receive a percentage of penalties from early unstakers
*/
function enterLobby(address _referralAddress)
external
payable
{
require(msg.value != 0, "Value cannot be zero");
require(currentDay() < EndOfLobby, "Lobbies have ended");
if (lobby[currentDay()][msg.sender].length == 0){
lobbyMapping[msg.sender].push(currentDay());
}
uint lobbyFee = msg.value / FlushScale;
lobby[currentDay()][msg.sender].push(LobbyEntries(msg.value - lobbyFee, _referralAddress));
lobbyTotalEth[currentDay()] += msg.value - lobbyFee;
FlushAddr.transfer(lobbyFee);
emit InTheLobby(currentDay(), msg.value - lobbyFee, msg.sender, _referralAddress);
}
/** @notice
Exit lobby with Eth and any penalty rewards
*/
function exitLobby(uint _entryDay)
external
nonReentrant
{
require(currentDay() >= _entryDay++, "This lobby will be open after 24 hours");
require(lobby[_entryDay][msg.sender].length != 0, "You're not in this lobby");
uint ethCheckout;
uint totalRewards;
while(lobby[_entryDay][msg.sender].length > 0){
uint ethCheckedIn = lobby[_entryDay][msg.sender][lobby[_entryDay][msg.sender].length - 1].ethCheckIn;
address referrer = lobby[_entryDay][msg.sender][lobby[_entryDay][msg.sender].length - 1].referralAddress;
uint rewards = lobbyCut[_entryDay] * ethCheckedIn / lobbyTotalEth[_entryDay];
if (referrer != address(0) && rewards > 5 && SatoshisVision.balanceOf(address(this)) > rewards) {
SatoshisVision.safeTransfer(referrer, rewards / 5);
totalRewards += rewards - (rewards / 5);
}else{
totalRewards += rewards;
}
ethCheckout += ethCheckedIn;
lobbyCut[_entryDay] -= rewards;
lobbyTotalEth[_entryDay] -= ethCheckedIn;
lobby[_entryDay][msg.sender].pop();
}
if (totalRewards > 0 && SatoshisVision.balanceOf(address(this)) > totalRewards){
SatoshisVision.safeTransfer(msg.sender, totalRewards);
}
lobbyDelete(msg.sender, _entryDay);
payable(msg.sender).transfer(ethCheckout);
emit LeftTheLobby(_entryDay, (block.timestamp - _entryDay) / 1 days, ethCheckout, totalRewards, msg.sender, lobbyTotalEth[_entryDay]);
}
/** @notice
Delete from lobbyMapping which is used by frontend. Does not affect contract flow
*/
function lobbyDelete(address _member, uint _entryDaySlot)
private
{
if (_entryDaySlot != lobbyMapping[_member].length - 1) {
lobbyMapping[_member][_entryDaySlot] = lobbyMapping[_member][lobbyMapping[_member].length - 1];
}
lobbyMapping[_member].pop();
}
/** @notice
Helper for frontend to receive days length of single lobby member
*/
function lobbyMemberDaysLength(address _member)
external
view
returns (uint)
{
return lobbyMapping[_member].length;
}
/** @notice
Remove foreign tokens from the smart contract
*/
function sweep(
IERC20 token
) external {
require(token != SatoshisVision, "Cannot be SATS");
token.safeTransfer(OriginAddr, token.balanceOf(address(this)));
}
}