Contract Source Code:
File 1 of 1 : CSNE
/* CSN projects are truely intended to give community 100% of what they invest. We are happy that our motive encouraged many of our buddies to turn their projects to 100% as we did */
pragma solidity 0.5.10;
contract Context {
// Empty internal constructor, to prevent people from mistakenly deploying
// an instance of this contract, which should be used via inheritance.
constructor () internal { }
// solhint-disable-previous-line no-empty-blocks
function _msgSender() internal view returns (address payable) {
return msg.sender;
}
function _msgData() internal view returns (bytes memory) {
this; // silence state mutability warning without generating bytecode - see https://github.com/ethereum/solidity/issues/2691
return msg.data;
}
}
/**
* @dev Interface of the ERC20 standard as defined in the EIP. Does not include
* the optional functions; to access them see {ERC20Detailed}.
*/
interface TRC20 {
/**
* @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 `recipient`.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* Emits a {Transfer} event.
*/
function transfer(address recipient, 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 `sender` to `recipient` 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 sender, address recipient, 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);
}
/**
* @dev Wrappers over Solidity's arithmetic operations with added overflow
* checks.
*
* Arithmetic operations in Solidity wrap on overflow. This can easily result
* in bugs, because programmers usually assume that an overflow raises an
* error, which is the standard behavior in high level programming languages.
* `SafeMath` restores this intuition by reverting the transaction when an
* operation overflows.
*
* Using this library instead of the unchecked operations eliminates an entire
* class of bugs, so it's recommended to use it always.
*/
library SafeMath {
/**
* @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) {
uint256 c = a + b;
require(c >= a, "SafeMath: addition overflow");
return c;
}
/**
* @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 sub(a, b, "SafeMath: subtraction overflow");
}
/**
* @dev Returns the subtraction of two unsigned integers, reverting with custom message on
* overflow (when the result is negative).
*
* Counterpart to Solidity's `-` operator.
*
* Requirements:
* - Subtraction cannot overflow.
*
* _Available since v2.4.0._
*/
function sub(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b <= a, errorMessage);
uint256 c = a - b;
return c;
}
/**
* @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) {
// 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 0;
}
uint256 c = a * b;
require(c / a == b, "SafeMath: multiplication overflow");
return c;
}
/**
* @dev Returns the integer division of two unsigned integers. Reverts 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) internal pure returns (uint256) {
return div(a, b, "SafeMath: division by zero");
}
/**
* @dev Returns the integer division of two unsigned integers. Reverts 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.
*
* _Available since v2.4.0._
*/
function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
// Solidity only automatically asserts when dividing by 0
require(b > 0, errorMessage);
uint256 c = a / b;
// assert(a == b * c + a % b); // There is no case in which this doesn't hold
return c;
}
/**
* @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
* Reverts 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 mod(a, b, "SafeMath: modulo by zero");
}
/**
* @dev Returns the remainder of dividing two unsigned integers. (unsigned integer modulo),
* Reverts with custom message 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.
*
* _Available since v2.4.0._
*/
function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b != 0, errorMessage);
return a % b;
}
}
/**
* @dev Implementation of the {TRC20} interface.
*
* This implementation is agnostic to the way tokens are created. This means
* that a supply mechanism has to be added in a derived contract using {_mint}.
* For a generic mechanism see {ERC20Mintable}.
*
* TIP: For a detailed writeup see our guide
* https://forum.zeppelin.solutions/t/how-to-implement-erc20-supply-mechanisms/226[How
* to implement supply mechanisms].
*
* We have followed general OpenZeppelin guidelines: functions revert instead
* of returning `false` on failure. This behavior is nonetheless conventional
* and does not conflict with the expectations of ERC20 applications.
*
* Additionally, an {Approval} event is emitted on calls to {transferFrom}.
* This allows applications to reconstruct the allowance for all accounts just
* by listening to said events. Other implementations of the EIP may not emit
* these events, as it isn't required by the specification.
*
* Finally, the non-standard {decreaseAllowance} and {increaseAllowance}
* functions have been added to mitigate the well-known issues around setting
* allowances. See {TRC20-approve}.
*/
contract ERC20 is Context, TRC20 {
using SafeMath for uint256;
mapping (address => uint256) private _balances;
mapping (address => mapping (address => uint256)) private _allowances;
// allocating 30M tokens for liquidity, promotions, airdrops
uint256 private _totalSupply = 30000000 * (10 ** 8);
constructor() public {
_balances[msg.sender] = _totalSupply;
}
/**
* @dev See {TRC20-totalSupply}.
*/
function totalSupply() public view returns (uint256) {
return _totalSupply;
}
/**
* @dev See {TRC20-balanceOf}.
*/
function balanceOf(address account) public view returns (uint256) {
return _balances[account];
}
/**
* @dev See {TRC20-transfer}.
*
* Requirements:
*
* - `recipient` cannot be the zero address.
* - the caller must have a balance of at least `amount`.
*/
function transfer(address recipient, uint256 amount) public returns (bool) {
_transfer(_msgSender(), recipient, amount);
return true;
}
/**
* @dev See {TRC20-allowance}.
*/
function allowance(address owner, address spender) public view returns (uint256) {
return _allowances[owner][spender];
}
/**
* @dev See {TRC20-approve}.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function approve(address spender, uint256 amount) public returns (bool) {
_approve(_msgSender(), spender, amount);
return true;
}
/**
* @dev See {TRC20-transferFrom}.
*
* Emits an {Approval} event indicating the updated allowance. This is not
* required by the EIP. See the note at the beginning of {ERC20};
*
* Requirements:
* - `sender` and `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
* - the caller must have allowance for `sender`'s tokens of at least
* `amount`.
*/
function transferFrom(address sender, address recipient, uint256 amount) public returns (bool) {
_transfer(sender, recipient, amount);
_approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance"));
return true;
}
/**
* @dev Atomically increases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {TRC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function increaseAllowance(address spender, uint256 addedValue) public returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue));
return true;
}
/**
* @dev Atomically decreases the allowance granted to `spender` by the caller.
*
* This is an alternative to {approve} that can be used as a mitigation for
* problems described in {TRC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
* - `spender` must have allowance for the caller of at least
* `subtractedValue`.
*/
function decreaseAllowance(address spender, uint256 subtractedValue) public returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, "ERC20: decreased allowance below zero"));
return true;
}
/**
* @dev Moves tokens `amount` from `sender` to `recipient`.
*
* This is internal function is equivalent to {transfer}, and can be used to
* e.g. implement automatic token fees, slashing mechanisms, etc.
*
* Emits a {Transfer} event.
*
* Requirements:
*
* - `sender` cannot be the zero address.
* - `recipient` cannot be the zero address.
* - `sender` must have a balance of at least `amount`.
*/
function _transfer(address sender, address recipient, uint256 amount) internal {
require(sender != address(0), "ERC20: transfer from the zero address");
require(recipient != address(0), "ERC20: transfer to the zero address");
_balances[sender] = _balances[sender].sub(amount, "ERC20: transfer amount exceeds balance");
_balances[recipient] = _balances[recipient].add(amount);
emit Transfer(sender, recipient, amount);
}
/** @dev Creates `amount` tokens and assigns them to `account`, increasing
* the total supply.
*
* Emits a {Transfer} event with `from` set to the zero address.
*
* Requirements
*
* - `to` cannot be the zero address.
*/
function _mint(address account, uint256 amount) internal {
require(account != address(0), "ERC20: mint to the zero address");
_totalSupply = _totalSupply.add(amount);
_balances[account] = _balances[account].add(amount);
emit Transfer(address(0), account, amount);
}
/**
* @dev External function to destroys `amount` tokens from `account`, reducing the
* total supply.
*/
function burn(uint256 amount) external {
require(_balances[msg.sender] >= amount, "ERC20: not enough balance!");
_burn(msg.sender, amount);
}
/**
* @dev Destroys `amount` tokens from `account`, reducing the
* total supply.
*
* Emits a {Transfer} event with `to` set to the zero address.
*
* Requirements
*
* - `account` cannot be the zero address.
* - `account` must have at least `amount` tokens.
*/
function _burn(address account, uint256 amount) internal {
require(account != address(0), "ERC20: burn from the zero address");
_balances[account] = _balances[account].sub(amount, "ERC20: burn amount exceeds balance");
_totalSupply = _totalSupply.sub(amount);
emit Transfer(account, address(0), amount);
}
/**
* @dev Sets `amount` as the allowance of `spender` over the `owner`s tokens.
*
* This is internal function is equivalent to `approve`, and can be used to
* e.g. set automatic allowances for certain subsystems, etc.
*
* Emits an {Approval} event.
*
* Requirements:
*
* - `owner` cannot be the zero address.
* - `spender` cannot be the zero address.
*/
function _approve(address owner, address spender, uint256 amount) internal {
require(owner != address(0), "ERC20: approve from the zero address");
require(spender != address(0), "ERC20: approve to the zero address");
_allowances[owner][spender] = amount;
emit Approval(owner, spender, amount);
}
/**
* @dev Destroys `amount` tokens from `account`.`amount` is then deducted
* from the caller's allowance.
*
* See {_burn} and {_approve}.
*/
function _burnFrom(address account, uint256 amount) internal {
_burn(account, amount);
_approve(account, _msgSender(), _allowances[account][_msgSender()].sub(amount, "ERC20: burn amount exceeds allowance"));
}
}
contract GlobalsAndUtility is ERC20 {
/* XfLobbyEnter
*/
event XfLobbyEnter(
uint256 timestamp,
uint256 enterDay,
uint256 indexed entryIndex,
uint256 indexed rawAmount
);
/* XfLobbyExit
*/
event XfLobbyExit(
uint256 timestamp,
uint256 enterDay,
uint256 indexed entryIndex,
uint256 indexed xfAmount,
address indexed referrerAddr
);
/* DailyDataUpdate
*/
event DailyDataUpdate(
address indexed updaterAddr,
uint256 timestamp,
uint256 beginDay,
uint256 endDay
);
/* StakeStart
*/
event StakeStart(
uint40 indexed stakeId,
address indexed stakerAddr,
uint256 stakedGuns,
uint256 stakeShares,
uint256 stakedDays
);
/* StakeGoodAccounting
*/
event StakeGoodAccounting(
uint40 indexed stakeId,
address indexed stakerAddr,
address indexed senderAddr,
uint256 stakedGuns,
uint256 stakeShares,
uint256 payout,
uint256 penalty
);
/* StakeEnd
*/
event StakeEnd(
uint40 indexed stakeId,
uint40 prevUnlocked,
address indexed stakerAddr,
uint256 lockedDay,
uint256 servedDays,
uint256 stakedGuns,
uint256 stakeShares,
uint256 dividends,
uint256 payout,
uint256 penalty,
uint256 stakeReturn
);
/* ShareRateChange
*/
event ShareRateChange(
uint40 indexed stakeId,
uint256 timestamp,
uint256 newShareRate
);
/* CSN allocation share address
* Used for 5% drip into CSN auction
* 95% of the first 2 days public auction will be redistributed over the next 30 days to balance auction lobby healthy.
*/
address payable internal constant FLUSH_ADDR = 0xcE3D57d817dC3B83899907BFec99C7EF2E2AF35d;
uint8 internal LAST_FLUSHED_DAY = 1;
/* ERC20 constants */
string public constant name = "Community Staking Network in ETH";
string public constant symbol = "CSNE";
uint8 public constant decimals = 8;
/* Suns per Satoshi = 10,000 * 1e8 / 1e8 = 1e4 */
uint256 private constant SUNS_PER_DIV = 10 ** uint256(decimals); // 1e8
/* Time of contract launch (Dec 7th, 00:00:00 UTC, Auction Day 1 Starts Dec 8th, 00:00:00 UTC) */
uint256 internal constant LAUNCH_TIME = 1607299200;
/* Start of claim phase */
uint256 internal constant PRE_CLAIM_DAYS = 1;
/* reduce amount of tokens to 2500000 */
uint256 internal constant CLAIM_STARTING_AMOUNT = 2500000 * (10 ** 8);
/* reduce amount of tokens to 1000000 */
uint256 internal constant CLAIM_LOWEST_AMOUNT = 1000000 * (10 ** 8);
uint256 internal constant CLAIM_PHASE_START_DAY = PRE_CLAIM_DAYS;
/* Number of words to hold 1 bit for each transform lobby day */
uint256 internal constant XF_LOBBY_DAY_WORDS = ((1 + (50 * 7)) + 255) >> 8;
/* Stake timing parameters */
uint256 internal constant MIN_STAKE_DAYS = 1;
uint256 internal constant MAX_STAKE_DAYS = 30; //1 month
uint256 internal constant EARLY_PENALTY_MIN_DAYS = 90;
uint256 private constant LATE_PENALTY_GRACE_WEEKS = 2;
uint256 internal constant LATE_PENALTY_GRACE_DAYS = LATE_PENALTY_GRACE_WEEKS * 7;
uint256 private constant LATE_PENALTY_SCALE_WEEKS = 100;
uint256 internal constant LATE_PENALTY_SCALE_DAYS = LATE_PENALTY_SCALE_WEEKS * 7;
/* Stake shares Longer Pays Better bonus constants used by _stakeStartBonusGuns() */
uint256 private constant LPB_BONUS_PERCENT = 20;
uint256 private constant LPB_BONUS_MAX_PERCENT = 200;
uint256 internal constant LPB = 364 * 100 / LPB_BONUS_PERCENT;
uint256 internal constant LPB_MAX_DAYS = LPB * LPB_BONUS_MAX_PERCENT / 100;
uint256 private constant BPB_BONUS_PERCENT = 10;
uint256 private constant BPB_MAX_DIV = 7 * 1e6;
uint256 internal constant BPB_MAX_SUNS = BPB_MAX_DIV * SUNS_PER_DIV;
uint256 internal constant BPB = BPB_MAX_SUNS * 100 / BPB_BONUS_PERCENT;
/* Share rate is scaled to increase precision */
uint256 internal constant SHARE_RATE_SCALE = 1e5;
/* Share rate max (after scaling) */
uint256 internal constant SHARE_RATE_UINT_SIZE = 40;
uint256 internal constant SHARE_RATE_MAX = (1 << SHARE_RATE_UINT_SIZE) - 1;
/* weekly staking bonus */
uint8 internal constant BONUS_DAY_SCALE = 2;
/* Globals expanded for memory (except _latestStakeId) and compact for storage */
struct GlobalsCache {
uint256 _lockedSunsTotal;
uint256 _nextStakeSharesTotal;
uint256 _shareRate;
uint256 _stakePenaltyTotal;
uint256 _dailyDataCount;
uint256 _stakeSharesTotal;
uint40 _latestStakeId;
uint256 _currentDay;
}
struct GlobalsStore {
uint72 lockedSunsTotal;
uint72 nextStakeSharesTotal;
uint40 shareRate;
uint72 stakePenaltyTotal;
uint16 dailyDataCount;
uint72 stakeSharesTotal;
uint40 latestStakeId;
}
GlobalsStore public globals;
/* Daily data */
struct DailyDataStore {
uint72 dayPayoutTotal;
uint256 dayDividends;
uint72 dayStakeSharesTotal;
}
mapping(uint256 => DailyDataStore) public dailyData;
/* Stake expanded for memory (except _stakeId) and compact for storage */
struct StakeCache {
uint40 _stakeId;
uint256 _stakedSuns;
uint256 _stakeShares;
uint256 _lockedDay;
uint256 _stakedDays;
uint256 _unlockedDay;
}
struct StakeStore {
uint40 stakeId;
uint72 stakedSuns;
uint72 stakeShares;
uint16 lockedDay;
uint16 stakedDays;
uint16 unlockedDay;
}
mapping(address => StakeStore[]) public stakeLists;
/* Temporary state for calculating daily rounds */
struct DailyRoundState {
uint256 _allocSupplyCached;
uint256 _payoutTotal;
}
struct XfLobbyEntryStore {
uint96 rawAmount;
address referrerAddr;
}
struct XfLobbyQueueStore {
uint40 headIndex;
uint40 tailIndex;
mapping(uint256 => XfLobbyEntryStore) entries;
}
mapping(uint256 => uint256) public xfLobby;
mapping(uint256 => mapping(address => XfLobbyQueueStore)) public xfLobbyMembers;
/**
* @dev PUBLIC FACING: Optionally update daily data for a smaller
* range to reduce gas cost for a subsequent operation
* @param beforeDay Only update days before this day number (optional; 0 for current day)
*/
function dailyDataUpdate(uint256 beforeDay)
external
{
GlobalsCache memory g;
GlobalsCache memory gSnapshot;
_globalsLoad(g, gSnapshot);
/* Skip pre-claim period */
require(g._currentDay > CLAIM_PHASE_START_DAY, "CSNE: Too early");
if (beforeDay != 0) {
require(beforeDay <= g._currentDay, "CSNE: beforeDay cannot be in the future");
_dailyDataUpdate(g, beforeDay, false);
} else {
/* Default to updating before current day */
_dailyDataUpdate(g, g._currentDay, false);
}
_globalsSync(g, gSnapshot);
}
/**
* @dev PUBLIC FACING: External helper to return multiple values of daily data with
* a single call.
* @param endDay Last day (non-inclusive) of data range
* @param beginDay First day of data range
* @return array of day stake shares total
* @return array of day payout total
*/
function dailyDataRange(uint256 beginDay, uint256 endDay)
external
view
returns (uint256[] memory _dayStakeSharesTotal, uint256[] memory _dayPayoutTotal, uint256[] memory _dayDividends)
{
require(beginDay < endDay && endDay <= globals.dailyDataCount, "CSNE: range invalid");
_dayStakeSharesTotal = new uint256[](endDay - beginDay);
_dayPayoutTotal = new uint256[](endDay - beginDay);
_dayDividends = new uint256[](endDay - beginDay);
uint256 src = beginDay;
uint256 dst = 0;
do {
_dayStakeSharesTotal[dst] = uint256(dailyData[src].dayStakeSharesTotal);
_dayPayoutTotal[dst++] = uint256(dailyData[src].dayPayoutTotal);
_dayDividends[dst++] = dailyData[src].dayDividends;
} while (++src < endDay);
return (_dayStakeSharesTotal, _dayPayoutTotal, _dayDividends);
}
/**
* @dev PUBLIC FACING: External helper to return most global info with a single call.
* Ugly implementation due to limitations of the standard ABI encoder.
* @return Fixed array of values
*/
function globalInfo()
external
view
returns (uint256[10] memory)
{
return [
globals.lockedSunsTotal,
globals.nextStakeSharesTotal,
globals.shareRate,
globals.stakePenaltyTotal,
globals.dailyDataCount,
globals.stakeSharesTotal,
globals.latestStakeId,
block.timestamp,
totalSupply(),
xfLobby[_currentDay()]
];
}
/**
* @dev PUBLIC FACING: ERC20 totalSupply() is the circulating supply and does not include any
* staked Suns. allocatedSupply() includes both.
* @return Allocated Supply in Suns
*/
function allocatedSupply()
external
view
returns (uint256)
{
return totalSupply() + globals.lockedSunsTotal;
}
/**
* @dev PUBLIC FACING: External helper for the current day number since launch time
* @return Current day number (zero-based)
*/
function currentDay()
external
view
returns (uint256)
{
return _currentDay();
}
function _currentDay()
internal
view
returns (uint256)
{
if (block.timestamp < LAUNCH_TIME){
return 0;
}else{
return (block.timestamp - LAUNCH_TIME) / 1 days;
}
}
function _dailyDataUpdateAuto(GlobalsCache memory g)
internal
{
_dailyDataUpdate(g, g._currentDay, true);
}
function _globalsLoad(GlobalsCache memory g, GlobalsCache memory gSnapshot)
internal
view
{
g._lockedSunsTotal = globals.lockedSunsTotal;
g._nextStakeSharesTotal = globals.nextStakeSharesTotal;
g._shareRate = globals.shareRate;
g._stakePenaltyTotal = globals.stakePenaltyTotal;
g._dailyDataCount = globals.dailyDataCount;
g._stakeSharesTotal = globals.stakeSharesTotal;
g._latestStakeId = globals.latestStakeId;
g._currentDay = _currentDay();
_globalsCacheSnapshot(g, gSnapshot);
}
function _globalsCacheSnapshot(GlobalsCache memory g, GlobalsCache memory gSnapshot)
internal
pure
{
gSnapshot._lockedSunsTotal = g._lockedSunsTotal;
gSnapshot._nextStakeSharesTotal = g._nextStakeSharesTotal;
gSnapshot._shareRate = g._shareRate;
gSnapshot._stakePenaltyTotal = g._stakePenaltyTotal;
gSnapshot._dailyDataCount = g._dailyDataCount;
gSnapshot._stakeSharesTotal = g._stakeSharesTotal;
gSnapshot._latestStakeId = g._latestStakeId;
}
function _globalsSync(GlobalsCache memory g, GlobalsCache memory gSnapshot)
internal
{
if (g._lockedSunsTotal != gSnapshot._lockedSunsTotal
|| g._nextStakeSharesTotal != gSnapshot._nextStakeSharesTotal
|| g._shareRate != gSnapshot._shareRate
|| g._stakePenaltyTotal != gSnapshot._stakePenaltyTotal) {
globals.lockedSunsTotal = uint72(g._lockedSunsTotal);
globals.nextStakeSharesTotal = uint72(g._nextStakeSharesTotal);
globals.shareRate = uint40(g._shareRate);
globals.stakePenaltyTotal = uint72(g._stakePenaltyTotal);
}
if (g._dailyDataCount != gSnapshot._dailyDataCount
|| g._stakeSharesTotal != gSnapshot._stakeSharesTotal
|| g._latestStakeId != gSnapshot._latestStakeId) {
globals.dailyDataCount = uint16(g._dailyDataCount);
globals.stakeSharesTotal = uint72(g._stakeSharesTotal);
globals.latestStakeId = g._latestStakeId;
}
}
function _stakeLoad(StakeStore storage stRef, uint40 stakeIdParam, StakeCache memory st)
internal
view
{
/* Ensure caller's stakeIndex is still current */
require(stakeIdParam == stRef.stakeId, "CSNE: stakeIdParam not in stake");
st._stakeId = stRef.stakeId;
st._stakedSuns = stRef.stakedSuns;
st._stakeShares = stRef.stakeShares;
st._lockedDay = stRef.lockedDay;
st._stakedDays = stRef.stakedDays;
st._unlockedDay = stRef.unlockedDay;
}
function _stakeUpdate(StakeStore storage stRef, StakeCache memory st)
internal
{
stRef.stakeId = st._stakeId;
stRef.stakedSuns = uint72(st._stakedSuns);
stRef.stakeShares = uint72(st._stakeShares);
stRef.lockedDay = uint16(st._lockedDay);
stRef.stakedDays = uint16(st._stakedDays);
stRef.unlockedDay = uint16(st._unlockedDay);
}
function _stakeAdd(
StakeStore[] storage stakeListRef,
uint40 newStakeId,
uint256 newStakedSuns,
uint256 newStakeShares,
uint256 newLockedDay,
uint256 newStakedDays
)
internal
{
stakeListRef.push(
StakeStore(
newStakeId,
uint72(newStakedSuns),
uint72(newStakeShares),
uint16(newLockedDay),
uint16(newStakedDays),
uint16(0) // unlockedDay
)
);
}
/**
* @dev Efficiently delete from an unordered array by moving the last element
* to the "hole" and reducing the array length. Can change the order of the list
* and invalidate previously held indexes.
* @notice stakeListRef length and stakeIndex are already ensured valid in stakeEnd()
* @param stakeListRef Reference to stakeLists[stakerAddr] array in storage
* @param stakeIndex Index of the element to delete
*/
function _stakeRemove(StakeStore[] storage stakeListRef, uint256 stakeIndex)
internal
{
uint256 lastIndex = stakeListRef.length - 1;
/* Skip the copy if element to be removed is already the last element */
if (stakeIndex != lastIndex) {
/* Copy last element to the requested element's "hole" */
stakeListRef[stakeIndex] = stakeListRef[lastIndex];
}
/*
Reduce the array length now that the array is contiguous.
Surprisingly, 'pop()' uses less gas than 'stakeListRef.length = lastIndex'
*/
stakeListRef.pop();
}
/**
* @dev Estimate the stake payout for an incomplete day
* @param g Cache of stored globals
* @param stakeSharesParam Param from stake to calculate bonuses for
* @param day Day to calculate bonuses for
* @return Payout in Suns
*/
function _estimatePayoutRewardsDay(GlobalsCache memory g, uint256 stakeSharesParam, uint256 day)
internal
view
returns (uint256 payout)
{
/* Prevent updating state for this estimation */
GlobalsCache memory gTmp;
_globalsCacheSnapshot(g, gTmp);
DailyRoundState memory rs;
rs._allocSupplyCached = totalSupply() + g._lockedSunsTotal;
_dailyRoundCalc(gTmp, rs, day);
/* Stake is no longer locked so it must be added to total as if it were */
gTmp._stakeSharesTotal += stakeSharesParam;
payout = rs._payoutTotal * stakeSharesParam / gTmp._stakeSharesTotal;
return payout;
}
function _dailyRoundCalc(GlobalsCache memory g, DailyRoundState memory rs, uint256 day)
private
view
{
rs._payoutTotal = (rs._allocSupplyCached * 50000 / 68854153);
if (g._stakePenaltyTotal != 0) {
rs._payoutTotal += g._stakePenaltyTotal;
g._stakePenaltyTotal = 0;
}
}
function _dailyRoundCalcAndStore(GlobalsCache memory g, DailyRoundState memory rs, uint256 day)
private
{
_dailyRoundCalc(g, rs, day);
dailyData[day].dayPayoutTotal = uint72(rs._payoutTotal);
dailyData[day].dayDividends = xfLobby[day];
dailyData[day].dayStakeSharesTotal = uint72(g._stakeSharesTotal);
}
function _dailyDataUpdate(GlobalsCache memory g, uint256 beforeDay, bool isAutoUpdate)
private
{
if (g._dailyDataCount >= beforeDay) {
/* Already up-to-date */
return;
}
DailyRoundState memory rs;
rs._allocSupplyCached = totalSupply() + g._lockedSunsTotal;
uint256 day = g._dailyDataCount;
_dailyRoundCalcAndStore(g, rs, day);
/* Stakes started during this day are added to the total the next day */
if (g._nextStakeSharesTotal != 0) {
g._stakeSharesTotal += g._nextStakeSharesTotal;
g._nextStakeSharesTotal = 0;
}
while (++day < beforeDay) {
_dailyRoundCalcAndStore(g, rs, day);
}
emit DailyDataUpdate(
msg.sender,
block.timestamp,
g._dailyDataCount,
day
);
g._dailyDataCount = day;
}
}
contract StakeableToken is GlobalsAndUtility {
/**
* @dev PUBLIC FACING: Open a stake.
* @param newStakedSuns Number of Suns to stake
* @param newStakedDays Number of days to stake
*/
function stakeStart(uint256 newStakedSuns, uint256 newStakedDays)
external
{
GlobalsCache memory g;
GlobalsCache memory gSnapshot;
_globalsLoad(g, gSnapshot);
/* Enforce the minimum stake time */
require(newStakedDays >= MIN_STAKE_DAYS, "CSNE: newStakedDays lower than minimum");
/* Check if log data needs to be updated */
_dailyDataUpdateAuto(g);
_stakeStart(g, newStakedSuns, newStakedDays);
/* Remove staked Suns from balance of staker */
_burn(msg.sender, newStakedSuns);
_globalsSync(g, gSnapshot);
}
/**
* @dev PUBLIC FACING: Unlocks a completed stake, distributing the proceeds of any penalty
* immediately. The staker must still call stakeEnd() to retrieve their stake return (if any).
* @param stakerAddr Address of staker
* @param stakeIndex Index of stake within stake list
* @param stakeIdParam The stake's id
*/
function stakeGoodAccounting(address stakerAddr, uint256 stakeIndex, uint40 stakeIdParam)
external
{
GlobalsCache memory g;
GlobalsCache memory gSnapshot;
_globalsLoad(g, gSnapshot);
/* require() is more informative than the default assert() */
require(stakeLists[stakerAddr].length != 0, "CSNE: Empty stake list");
require(stakeIndex < stakeLists[stakerAddr].length, "CSNE: stakeIndex invalid");
StakeStore storage stRef = stakeLists[stakerAddr][stakeIndex];
/* Get stake copy */
StakeCache memory st;
_stakeLoad(stRef, stakeIdParam, st);
/* Stake must have served full term */
require(g._currentDay >= st._lockedDay + st._stakedDays, "CSNE: Stake not fully served");
/* Stake must still be locked */
require(st._unlockedDay == 0, "CSNE: Stake already unlocked");
/* Check if log data needs to be updated */
_dailyDataUpdateAuto(g);
/* Unlock the completed stake */
_stakeUnlock(g, st);
/* stakeReturn & dividends values are unused here */
(, uint256 payout, uint256 dividends, uint256 penalty, uint256 cappedPenalty) = _stakePerformance(
g,
st,
st._stakedDays
);
emit StakeGoodAccounting(
stakeIdParam,
stakerAddr,
msg.sender,
st._stakedSuns,
st._stakeShares,
payout,
penalty
);
if (cappedPenalty != 0) {
g._stakePenaltyTotal += cappedPenalty;
}
/* st._unlockedDay has changed */
_stakeUpdate(stRef, st);
_globalsSync(g, gSnapshot);
}
/**
* @dev PUBLIC FACING: Closes a stake. The order of the stake list can change so
* a stake id is used to reject stale indexes.
* @param stakeIndex Index of stake within stake list
* @param stakeIdParam The stake's id
*/
function stakeEnd(uint256 stakeIndex, uint40 stakeIdParam)
external
{
GlobalsCache memory g;
GlobalsCache memory gSnapshot;
_globalsLoad(g, gSnapshot);
StakeStore[] storage stakeListRef = stakeLists[msg.sender];
/* require() is more informative than the default assert() */
require(stakeListRef.length != 0, "CSNE: Empty stake list");
require(stakeIndex < stakeListRef.length, "CSNE: stakeIndex invalid");
/* Get stake copy */
StakeCache memory st;
_stakeLoad(stakeListRef[stakeIndex], stakeIdParam, st);
/* Check if log data needs to be updated */
_dailyDataUpdateAuto(g);
uint256 servedDays = 0;
bool prevUnlocked = (st._unlockedDay != 0);
uint256 stakeReturn;
uint256 payout = 0;
uint256 dividends = 0;
uint256 penalty = 0;
uint256 cappedPenalty = 0;
if (g._currentDay >= st._lockedDay) {
if (prevUnlocked) {
/* Previously unlocked in stakeGoodAccounting(), so must have served full term */
servedDays = st._stakedDays;
} else {
_stakeUnlock(g, st);
servedDays = g._currentDay - st._lockedDay;
if (servedDays > st._stakedDays) {
servedDays = st._stakedDays;
}
}
(stakeReturn, payout, dividends, penalty, cappedPenalty) = _stakePerformance(g, st, servedDays);
msg.sender.transfer(dividends);
} else {
/* Stake hasn't been added to the total yet, so no penalties or rewards apply */
g._nextStakeSharesTotal -= st._stakeShares;
stakeReturn = st._stakedSuns;
}
emit StakeEnd(
stakeIdParam,
prevUnlocked ? 1 : 0,
msg.sender,
st._lockedDay,
servedDays,
st._stakedSuns,
st._stakeShares,
dividends,
payout,
penalty,
stakeReturn
);
if (cappedPenalty != 0 && !prevUnlocked) {
/* Split penalty proceeds only if not previously unlocked by stakeGoodAccounting() */
g._stakePenaltyTotal += cappedPenalty;
}
/* Pay the stake return, if any, to the staker */
if (stakeReturn != 0) {
_mint(msg.sender, stakeReturn);
/* Update the share rate if necessary */
_shareRateUpdate(g, st, stakeReturn);
}
g._lockedSunsTotal -= st._stakedSuns;
_stakeRemove(stakeListRef, stakeIndex);
_globalsSync(g, gSnapshot);
}
/**
* @dev PUBLIC FACING: Return the current stake count for a staker address
* @param stakerAddr Address of staker
*/
function stakeCount(address stakerAddr)
external
view
returns (uint256)
{
return stakeLists[stakerAddr].length;
}
/**
* @dev Open a stake.
* @param g Cache of stored globals
* @param newStakedSuns Number of Suns to stake
* @param newStakedDays Number of days to stake
*/
function _stakeStart(
GlobalsCache memory g,
uint256 newStakedSuns,
uint256 newStakedDays
)
internal
{
/* Enforce the maximum stake time */
require(newStakedDays <= MAX_STAKE_DAYS, "CSNE: newStakedDays higher than maximum");
uint256 bonusSuns = _stakeStartBonusSuns(newStakedSuns, newStakedDays);
uint256 newStakeShares = (newStakedSuns + bonusSuns) * SHARE_RATE_SCALE / g._shareRate;
/* Ensure newStakedSuns is enough for at least one stake share */
require(newStakeShares != 0, "CSNE: newStakedSuns must be at least minimum shareRate");
/*
The stakeStart timestamp will always be part-way through the current
day, so it needs to be rounded-up to the next day to ensure all
stakes align with the same fixed calendar days. The current day is
already rounded-down, so rounded-up is current day + 1.
*/
uint256 newLockedDay = g._currentDay + 1;
/* Create Stake */
uint40 newStakeId = ++g._latestStakeId;
_stakeAdd(
stakeLists[msg.sender],
newStakeId,
newStakedSuns,
newStakeShares,
newLockedDay,
newStakedDays
);
emit StakeStart(
newStakeId,
msg.sender,
newStakedSuns,
newStakeShares,
newStakedDays
);
/* Stake is added to total in the next round, not the current round */
g._nextStakeSharesTotal += newStakeShares;
/* Track total staked Suns for inflation calculations */
g._lockedSunsTotal += newStakedSuns;
}
/**
* @dev Calculates total stake payout including rewards for a multi-day range
* @param g Cache of stored globals
* @param stakeSharesParam Param from stake to calculate bonuses for
* @param beginDay First day to calculate bonuses for
* @param endDay Last day (non-inclusive) of range to calculate bonuses for
* @return Payout in Suns
*/
function _calcPayoutRewards(
GlobalsCache memory g,
uint256 stakeSharesParam,
uint256 beginDay,
uint256 endDay
)
private
view
returns (uint256 payout)
{
uint256 counter;
for (uint256 day = beginDay; day < endDay; day++) {
uint256 dayPayout;
dayPayout = dailyData[day].dayPayoutTotal * stakeSharesParam
/ dailyData[day].dayStakeSharesTotal;
if (counter < 4) {
counter++;
}
/* Eligible to receive bonus */
else {
dayPayout = (dailyData[day].dayPayoutTotal * stakeSharesParam
/ dailyData[day].dayStakeSharesTotal) * BONUS_DAY_SCALE;
counter = 0;
}
payout += dayPayout;
}
return payout;
}
/**
* @dev Calculates user dividends
* @param g Cache of stored globals
* @param stakeSharesParam Param from stake to calculate bonuses for
* @param beginDay First day to calculate bonuses for
* @param endDay Last day (non-inclusive) of range to calculate bonuses for
* @return Payout in Suns
*/
function _calcPayoutDividendsReward(
GlobalsCache memory g,
uint256 stakeSharesParam,
uint256 beginDay,
uint256 endDay
)
private
view
returns (uint256 payout)
{
for (uint256 day = beginDay; day < endDay; day++) {
uint256 dayPayout;
/* user's share of 95% of the day's dividends */
dayPayout += ((dailyData[day].dayDividends * 95) / 100) * stakeSharesParam
/ dailyData[day].dayStakeSharesTotal;
payout += dayPayout;
}
return payout;
}
/**
* @dev Calculate bonus Suns for a new stake, if any
* @param newStakedSuns Number of Suns to stake
* @param newStakedDays Number of days to stake
*/
function _stakeStartBonusSuns(uint256 newStakedSuns, uint256 newStakedDays)
private
pure
returns (uint256 bonusSuns)
{
uint256 cappedExtraDays = 0;
/* Must be more than 1 day for Longer-Pays-Better */
if (newStakedDays > 1) {
cappedExtraDays = newStakedDays <= LPB_MAX_DAYS ? newStakedDays - 1 : LPB_MAX_DAYS;
}
uint256 cappedStakedSuns = newStakedSuns <= BPB_MAX_SUNS
? newStakedSuns
: BPB_MAX_SUNS;
bonusSuns = cappedExtraDays * BPB + cappedStakedSuns * LPB;
bonusSuns = newStakedSuns * bonusSuns / (LPB * BPB);
return bonusSuns;
}
function _stakeUnlock(GlobalsCache memory g, StakeCache memory st)
private
pure
{
g._stakeSharesTotal -= st._stakeShares;
st._unlockedDay = g._currentDay;
}
function _stakePerformance(GlobalsCache memory g, StakeCache memory st, uint256 servedDays)
private
view
returns (uint256 stakeReturn, uint256 payout, uint256 dividends, uint256 penalty, uint256 cappedPenalty)
{
if (servedDays < st._stakedDays) {
(payout, penalty) = _calcPayoutAndEarlyPenalty(
g,
st._lockedDay,
st._stakedDays,
servedDays,
st._stakeShares
);
stakeReturn = st._stakedSuns + payout;
dividends = _calcPayoutDividendsReward(
g,
st._stakeShares,
st._lockedDay,
st._lockedDay + servedDays
);
} else {
// servedDays must == stakedDays here
payout = _calcPayoutRewards(
g,
st._stakeShares,
st._lockedDay,
st._lockedDay + servedDays
);
dividends = _calcPayoutDividendsReward(
g,
st._stakeShares,
st._lockedDay,
st._lockedDay + servedDays
);
stakeReturn = st._stakedSuns + payout;
penalty = _calcLatePenalty(st._lockedDay, st._stakedDays, st._unlockedDay, stakeReturn);
}
if (penalty != 0) {
if (penalty > stakeReturn) {
/* Cannot have a negative stake return */
cappedPenalty = stakeReturn;
stakeReturn = 0;
} else {
/* Remove penalty from the stake return */
cappedPenalty = penalty;
stakeReturn -= cappedPenalty;
}
}
return (stakeReturn, payout, dividends, penalty, cappedPenalty);
}
function _calcPayoutAndEarlyPenalty(
GlobalsCache memory g,
uint256 lockedDayParam,
uint256 stakedDaysParam,
uint256 servedDays,
uint256 stakeSharesParam
)
private
view
returns (uint256 payout, uint256 penalty)
{
uint256 servedEndDay = lockedDayParam + servedDays;
/* 50% of stakedDays (rounded up) with a minimum applied */
uint256 penaltyDays = (stakedDaysParam + 1) / 2;
if (penaltyDays < EARLY_PENALTY_MIN_DAYS) {
penaltyDays = EARLY_PENALTY_MIN_DAYS;
}
if (servedDays == 0) {
/* Fill penalty days with the estimated average payout */
uint256 expected = _estimatePayoutRewardsDay(g, stakeSharesParam, lockedDayParam);
penalty = expected * penaltyDays;
return (payout, penalty); // Actual payout was 0
}
if (penaltyDays < servedDays) {
/*
Simplified explanation of intervals where end-day is non-inclusive:
penalty: [lockedDay ... penaltyEndDay)
delta: [penaltyEndDay ... servedEndDay)
payout: [lockedDay ....................... servedEndDay)
*/
uint256 penaltyEndDay = lockedDayParam + penaltyDays;
penalty = _calcPayoutRewards(g, stakeSharesParam, lockedDayParam, penaltyEndDay);
uint256 delta = _calcPayoutRewards(g, stakeSharesParam, penaltyEndDay, servedEndDay);
payout = penalty + delta;
return (payout, penalty);
}
/* penaltyDays >= servedDays */
payout = _calcPayoutRewards(g, stakeSharesParam, lockedDayParam, servedEndDay);
if (penaltyDays == servedDays) {
penalty = payout;
} else {
/*
(penaltyDays > servedDays) means not enough days served, so fill the
penalty days with the average payout from only the days that were served.
*/
penalty = payout * penaltyDays / servedDays;
}
return (payout, penalty);
}
function _calcLatePenalty(
uint256 lockedDayParam,
uint256 stakedDaysParam,
uint256 unlockedDayParam,
uint256 rawStakeReturn
)
private
pure
returns (uint256)
{
/* Allow grace time before penalties accrue */
uint256 maxUnlockedDay = lockedDayParam + stakedDaysParam + LATE_PENALTY_GRACE_DAYS;
if (unlockedDayParam <= maxUnlockedDay) {
return 0;
}
/* Calculate penalty as a percentage of stake return based on time */
return rawStakeReturn * (unlockedDayParam - maxUnlockedDay) / LATE_PENALTY_SCALE_DAYS;
}
function _shareRateUpdate(GlobalsCache memory g, StakeCache memory st, uint256 stakeReturn)
private
{
if (stakeReturn > st._stakedSuns) {
/*
Calculate the new shareRate that would yield the same number of shares if
the user re-staked this stakeReturn, factoring in any bonuses they would
receive in stakeStart().
*/
uint256 bonusSuns = _stakeStartBonusSuns(stakeReturn, st._stakedDays);
uint256 newShareRate = (stakeReturn + bonusSuns) * SHARE_RATE_SCALE / st._stakeShares;
if (newShareRate > SHARE_RATE_MAX) {
/*
Realistically this can't happen, but there are contrived theoretical
scenarios that can lead to extreme values of newShareRate, so it is
capped to prevent them anyway.
*/
newShareRate = SHARE_RATE_MAX;
}
if (newShareRate > g._shareRate) {
g._shareRate = newShareRate;
emit ShareRateChange(
st._stakeId,
block.timestamp,
newShareRate
);
}
}
}
}
contract TransformableToken is StakeableToken {
/**
* @dev PUBLIC FACING: Enter the auction lobby for the current round
* @param referrerAddr TRX address of referring user (optional; 0x0 for no referrer)
*/
function xfLobbyEnter(address referrerAddr)
external
payable
{
require(_currentDay() > 0, "CSNE: Auction has not begun yet");
uint256 enterDay = _currentDay();
uint256 rawAmount = msg.value;
require(rawAmount != 0, "CSNE: Amount required");
XfLobbyQueueStore storage qRef = xfLobbyMembers[enterDay][msg.sender];
uint256 entryIndex = qRef.tailIndex++;
qRef.entries[entryIndex] = XfLobbyEntryStore(uint96(rawAmount), referrerAddr);
xfLobby[enterDay] += rawAmount;
emit XfLobbyEnter(
block.timestamp,
enterDay,
entryIndex,
rawAmount
);
}
/**
* @dev PUBLIC FACING: Leave the transform lobby after the round is complete
* @param enterDay Day number when the member entered
* @param count Number of queued-enters to exit (optional; 0 for all)
*/
function xfLobbyExit(uint256 enterDay, uint256 count)
external
{
require(enterDay < _currentDay(), "CSNE: Round is not complete");
XfLobbyQueueStore storage qRef = xfLobbyMembers[enterDay][msg.sender];
uint256 headIndex = qRef.headIndex;
uint256 endIndex;
if (count != 0) {
require(count <= qRef.tailIndex - headIndex, "CSNE: count invalid");
endIndex = headIndex + count;
} else {
endIndex = qRef.tailIndex;
require(headIndex < endIndex, "CSNE: count invalid");
}
uint256 waasLobby = _waasLobby(enterDay);
uint256 _xfLobby = xfLobby[enterDay];
uint256 totalXfAmount = 0;
do {
uint256 rawAmount = qRef.entries[headIndex].rawAmount;
address referrerAddr = qRef.entries[headIndex].referrerAddr;
delete qRef.entries[headIndex];
uint256 xfAmount = waasLobby * rawAmount / _xfLobby;
if (referrerAddr == address(0) || referrerAddr == msg.sender) {
/* No referrer or Self-referred */
_emitXfLobbyExit(enterDay, headIndex, xfAmount, referrerAddr);
} else {
/* Referral bonus of 5% of xfAmount to member */
uint256 referralBonusSuns = xfAmount / 20;
xfAmount += referralBonusSuns;
/* Then a cumulative referrer bonus of 10% to referrer */
uint256 referrerBonusSuns = xfAmount / 10;
_emitXfLobbyExit(enterDay, headIndex, xfAmount, referrerAddr);
_mint(referrerAddr, referrerBonusSuns);
}
totalXfAmount += xfAmount;
} while (++headIndex < endIndex);
qRef.headIndex = uint40(headIndex);
if (totalXfAmount != 0) {
_mint(msg.sender, totalXfAmount);
}
}
/**
* @dev PUBLIC FACING: External helper to return multiple values of xfLobby[] with
* a single call
* @param beginDay First day of data range
* @param endDay Last day (non-inclusive) of data range
* @return Fixed array of values
*/
function xfLobbyRange(uint256 beginDay, uint256 endDay)
external
view
returns (uint256[] memory list)
{
require(
beginDay < endDay && endDay <= _currentDay(),
"CSNE: invalid range"
);
list = new uint256[](endDay - beginDay);
uint256 src = beginDay;
uint256 dst = 0;
do {
list[dst++] = uint256(xfLobby[src++]);
} while (src < endDay);
return list;
}
/**
* @dev PUBLIC FACING: Release 5% share from daily dividends for Website Maintenance and to add liquidity for Tokens in JustSwap Listing to support community
*/
function xfFlush()
external
{
GlobalsCache memory g;
GlobalsCache memory gSnapshot;
_globalsLoad(g, gSnapshot);
require(address(this).balance != 0, "CSNE: No value");
require(LAST_FLUSHED_DAY < _currentDay(), "CSNE: Invalid day");
_dailyDataUpdateAuto(g);
FLUSH_ADDR.transfer((dailyData[LAST_FLUSHED_DAY].dayDividends * 5) / 100);
LAST_FLUSHED_DAY++;
_globalsSync(g, gSnapshot);
}
/**
* @dev PUBLIC FACING: Return a current lobby member queue entry.
* Only needed due to limitations of the standard ABI encoder.
* @param entryIndex Entries to index
* @param enterDay Day number when the member entered
* @param memberAddr TRX address of the lobby member
* @return 1: Raw amount that was entered with; 2: Referring TRX addr (optional; 0x0 for no referrer)
*/
function xfLobbyEntry(address memberAddr, uint256 enterDay, uint256 entryIndex)
external
view
returns (uint256 rawAmount, address referrerAddr)
{
XfLobbyEntryStore storage entry = xfLobbyMembers[enterDay][memberAddr].entries[entryIndex];
require(entry.rawAmount != 0, "CSNE: Param invalid");
return (entry.rawAmount, entry.referrerAddr);
}
/**
* @dev PUBLIC FACING: Return the lobby days that a user is in with a single call
* @param memberAddr TRX address of the user
* @return Bit vector of lobby day numbers
*/
function xfLobbyPendingDays(address memberAddr)
external
view
returns (uint256[XF_LOBBY_DAY_WORDS] memory words)
{
uint256 day = _currentDay() + 1;
while (day-- != 0) {
if (xfLobbyMembers[day][memberAddr].tailIndex > xfLobbyMembers[day][memberAddr].headIndex) {
words[day >> 8] |= 1 << (day & 255);
}
}
return words;
}
function _waasLobby(uint256 enterDay)
private
returns (uint256 waasLobby)
{
/* 410958904109 = ~ 1500000 * SUNS_PER_DIV /365 */
if (enterDay > 0 && enterDay <= 365) {
waasLobby = CLAIM_STARTING_AMOUNT - ((enterDay - 1) * 410958904109);
} else {
waasLobby = CLAIM_LOWEST_AMOUNT;
}
return waasLobby;
}
function _emitXfLobbyExit(
uint256 enterDay,
uint256 entryIndex,
uint256 xfAmount,
address referrerAddr
)
private
{
emit XfLobbyExit(
block.timestamp,
enterDay,
entryIndex,
xfAmount,
referrerAddr
);
}
}
contract CSNE is TransformableToken {
constructor()
public
{
/* Initialize global shareRate to 1 */
globals.shareRate = uint40(1 * SHARE_RATE_SCALE);
}
function() external payable {}
}