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CSNE | CSNE.sol | 0x7245b0fe11c4ae2978c8a8d29f3b74477ce6f789 | Solidity | GlobalsAndUtility | 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;
}
} | _stakeRemove | 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 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
*/ | NatSpecMultiLine | v0.5.10+commit.5a6ea5b1 | None | bzzr://15b15fb6928768143d29c849842195f59d6c58b81754cc547f6ae35aeec04bef | {
"func_code_index": [
14966,
15629
]
} | 4,607 |
||
CSNE | CSNE.sol | 0x7245b0fe11c4ae2978c8a8d29f3b74477ce6f789 | Solidity | GlobalsAndUtility | 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;
}
} | _estimatePayoutRewardsDay | 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;
}
| /**
* @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
*/ | NatSpecMultiLine | v0.5.10+commit.5a6ea5b1 | None | bzzr://15b15fb6928768143d29c849842195f59d6c58b81754cc547f6ae35aeec04bef | {
"func_code_index": [
15910,
16627
]
} | 4,608 |
||
CSNE | CSNE.sol | 0x7245b0fe11c4ae2978c8a8d29f3b74477ce6f789 | Solidity | StakeableToken | 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
);
}
}
}
} | stakeStart | 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: Open a stake.
* @param newStakedSuns Number of Suns to stake
* @param newStakedDays Number of days to stake
*/ | NatSpecMultiLine | v0.5.10+commit.5a6ea5b1 | None | bzzr://15b15fb6928768143d29c849842195f59d6c58b81754cc547f6ae35aeec04bef | {
"func_code_index": [
220,
864
]
} | 4,609 |
||
CSNE | CSNE.sol | 0x7245b0fe11c4ae2978c8a8d29f3b74477ce6f789 | Solidity | StakeableToken | 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
);
}
}
}
} | stakeGoodAccounting | 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: 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
*/ | NatSpecMultiLine | v0.5.10+commit.5a6ea5b1 | None | bzzr://15b15fb6928768143d29c849842195f59d6c58b81754cc547f6ae35aeec04bef | {
"func_code_index": [
1232,
3030
]
} | 4,610 |
||
CSNE | CSNE.sol | 0x7245b0fe11c4ae2978c8a8d29f3b74477ce6f789 | Solidity | StakeableToken | 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
);
}
}
}
} | stakeEnd | 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: 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
*/ | NatSpecMultiLine | v0.5.10+commit.5a6ea5b1 | None | bzzr://15b15fb6928768143d29c849842195f59d6c58b81754cc547f6ae35aeec04bef | {
"func_code_index": [
3295,
6104
]
} | 4,611 |
||
CSNE | CSNE.sol | 0x7245b0fe11c4ae2978c8a8d29f3b74477ce6f789 | Solidity | StakeableToken | 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
);
}
}
}
} | stakeCount | function stakeCount(address stakerAddr)
external
view
returns (uint256)
{
return stakeLists[stakerAddr].length;
}
| /**
* @dev PUBLIC FACING: Return the current stake count for a staker address
* @param stakerAddr Address of staker
*/ | NatSpecMultiLine | v0.5.10+commit.5a6ea5b1 | None | bzzr://15b15fb6928768143d29c849842195f59d6c58b81754cc547f6ae35aeec04bef | {
"func_code_index": [
6251,
6422
]
} | 4,612 |
||
CSNE | CSNE.sol | 0x7245b0fe11c4ae2978c8a8d29f3b74477ce6f789 | Solidity | StakeableToken | 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
);
}
}
}
} | _stakeStart | 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 Open a stake.
* @param g Cache of stored globals
* @param newStakedSuns Number of Suns to stake
* @param newStakedDays Number of days to stake
*/ | NatSpecMultiLine | v0.5.10+commit.5a6ea5b1 | None | bzzr://15b15fb6928768143d29c849842195f59d6c58b81754cc547f6ae35aeec04bef | {
"func_code_index": [
6621,
8397
]
} | 4,613 |
||
CSNE | CSNE.sol | 0x7245b0fe11c4ae2978c8a8d29f3b74477ce6f789 | Solidity | StakeableToken | 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
);
}
}
}
} | _calcPayoutRewards | 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 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
*/ | NatSpecMultiLine | v0.5.10+commit.5a6ea5b1 | None | bzzr://15b15fb6928768143d29c849842195f59d6c58b81754cc547f6ae35aeec04bef | {
"func_code_index": [
8793,
9714
]
} | 4,614 |
||
CSNE | CSNE.sol | 0x7245b0fe11c4ae2978c8a8d29f3b74477ce6f789 | Solidity | StakeableToken | 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
);
}
}
}
} | _calcPayoutDividendsReward | 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 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
*/ | NatSpecMultiLine | v0.5.10+commit.5a6ea5b1 | None | bzzr://15b15fb6928768143d29c849842195f59d6c58b81754cc547f6ae35aeec04bef | {
"func_code_index": [
10066,
10693
]
} | 4,615 |
||
CSNE | CSNE.sol | 0x7245b0fe11c4ae2978c8a8d29f3b74477ce6f789 | Solidity | StakeableToken | 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
);
}
}
}
} | _stakeStartBonusSuns | 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;
}
| /**
* @dev Calculate bonus Suns for a new stake, if any
* @param newStakedSuns Number of Suns to stake
* @param newStakedDays Number of days to stake
*/ | NatSpecMultiLine | v0.5.10+commit.5a6ea5b1 | None | bzzr://15b15fb6928768143d29c849842195f59d6c58b81754cc547f6ae35aeec04bef | {
"func_code_index": [
10881,
11593
]
} | 4,616 |
||
CSNE | CSNE.sol | 0x7245b0fe11c4ae2978c8a8d29f3b74477ce6f789 | Solidity | TransformableToken | 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
);
}
} | xfLobbyEnter | function xfLobbyEnter(address referrerAddr)
external
payable
{
uire(_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: Enter the auction lobby for the current round
* @param referrerAddr TRX address of referring user (optional; 0x0 for no referrer)
*/ | NatSpecMultiLine | v0.5.10+commit.5a6ea5b1 | None | bzzr://15b15fb6928768143d29c849842195f59d6c58b81754cc547f6ae35aeec04bef | {
"func_code_index": [
236,
960
]
} | 4,617 |
||
CSNE | CSNE.sol | 0x7245b0fe11c4ae2978c8a8d29f3b74477ce6f789 | Solidity | TransformableToken | 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
);
}
} | xfLobbyExit | 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: 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)
*/ | NatSpecMultiLine | v0.5.10+commit.5a6ea5b1 | None | bzzr://15b15fb6928768143d29c849842195f59d6c58b81754cc547f6ae35aeec04bef | {
"func_code_index": [
1200,
3160
]
} | 4,618 |
||
CSNE | CSNE.sol | 0x7245b0fe11c4ae2978c8a8d29f3b74477ce6f789 | Solidity | TransformableToken | 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
);
}
} | xfLobbyRange | 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: 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
*/ | NatSpecMultiLine | v0.5.10+commit.5a6ea5b1 | None | bzzr://15b15fb6928768143d29c849842195f59d6c58b81754cc547f6ae35aeec04bef | {
"func_code_index": [
3443,
3961
]
} | 4,619 |
||
CSNE | CSNE.sol | 0x7245b0fe11c4ae2978c8a8d29f3b74477ce6f789 | Solidity | TransformableToken | 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
);
}
} | xfFlush | 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: Release 5% share from daily dividends for Website Maintenance and to add liquidity for Tokens in JustSwap Listing to support community
*/ | NatSpecMultiLine | v0.5.10+commit.5a6ea5b1 | None | bzzr://15b15fb6928768143d29c849842195f59d6c58b81754cc547f6ae35aeec04bef | {
"func_code_index": [
4146,
4655
]
} | 4,620 |
||
CSNE | CSNE.sol | 0x7245b0fe11c4ae2978c8a8d29f3b74477ce6f789 | Solidity | TransformableToken | 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
);
}
} | xfLobbyEntry | 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 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)
*/ | NatSpecMultiLine | v0.5.10+commit.5a6ea5b1 | None | bzzr://15b15fb6928768143d29c849842195f59d6c58b81754cc547f6ae35aeec04bef | {
"func_code_index": [
5088,
5505
]
} | 4,621 |
||
CSNE | CSNE.sol | 0x7245b0fe11c4ae2978c8a8d29f3b74477ce6f789 | Solidity | TransformableToken | 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
);
}
} | xfLobbyPendingDays | 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;
}
| /**
* @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
*/ | NatSpecMultiLine | v0.5.10+commit.5a6ea5b1 | None | bzzr://15b15fb6928768143d29c849842195f59d6c58b81754cc547f6ae35aeec04bef | {
"func_code_index": [
5714,
6166
]
} | 4,622 |
||
GENEToken | GENEToken.sol | 0xbb7c85dee0074a00bd0c13c85abe2ecbc7779914 | Solidity | GENEToken | contract GENEToken is StandardToken, SafeMath {
// metadata
string public constant name = "GENE";
string public constant symbol = "GE";
uint256 public constant decimals = 18;
string public version = "1.0";
// contracts
address public ethFundDeposit; // ETH存放地址
address public newContractAddr; // token更新地址
// crowdsale parameters
bool public isFunding; // 状态切换到true
uint256 public fundingStartBlock;
uint256 public fundingStopBlock;
uint256 public currentSupply; // 正在售卖中的tokens数量
uint256 public tokenRaised = 0; // 总的售卖数量token
uint256 public tokenMigrated = 0; // 总的已经交易的 token
uint256 public tokenExchangeRate = 1; // 0.0001 GE 兑换 1 ETH
// events
event AllocateToken(address indexed _to, uint256 _value); // 分配的私有交易token;
event IssueToken(address indexed _to, uint256 _value); // 公开发行售卖的token;
event IncreaseSupply(uint256 _value);
event DecreaseSupply(uint256 _value);
event Migrate(address indexed _to, uint256 _value);
// 转换
function formatDecimals(uint256 _value) internal returns (uint256 ) {
return _value * 10 ** decimals;
}
// constructor
function GENEToken(
address _ethFundDeposit,
uint256 _currentSupply)
{
ethFundDeposit = _ethFundDeposit;
isFunding = false; //通过控制预CrowdS ale状态
fundingStartBlock = 0;
fundingStopBlock = 0;
currentSupply = formatDecimals(_currentSupply);
totalSupply = formatDecimals(1000000000);
balances[msg.sender] = totalSupply;
if(currentSupply > totalSupply) throw;
}
modifier isOwner() { require(msg.sender == ethFundDeposit); _; }
/// 设置token汇率
function setTokenExchangeRate(uint256 _tokenExchangeRate) isOwner external {
if (_tokenExchangeRate == 0) throw;
if (_tokenExchangeRate == tokenExchangeRate) throw;
tokenExchangeRate = _tokenExchangeRate;
}
/// @dev 超发token处理
function increaseSupply (uint256 _value) isOwner external {
uint256 value = formatDecimals(_value);
if (value + currentSupply > totalSupply) throw;
currentSupply = safeAdd(currentSupply, value);
IncreaseSupply(value);
}
/// @dev 被盗token处理
function decreaseSupply (uint256 _value) isOwner external {
uint256 value = formatDecimals(_value);
if (value + tokenRaised > currentSupply) throw;
currentSupply = safeSubtract(currentSupply, value);
DecreaseSupply(value);
}
/// 启动区块检测 异常的处理
function startFunding (uint256 _fundingStartBlock, uint256 _fundingStopBlock) isOwner external {
if (isFunding) throw;
if (_fundingStartBlock >= _fundingStopBlock) throw;
if (block.number >= _fundingStartBlock) throw;
fundingStartBlock = _fundingStartBlock;
fundingStopBlock = _fundingStopBlock;
isFunding = true;
}
/// 关闭区块异常处理
function stopFunding() isOwner external {
if (!isFunding) throw;
isFunding = false;
}
/// 开发了一个新的合同来接收token（或者更新token）
function setMigrateContract(address _newContractAddr) isOwner external {
if (_newContractAddr == newContractAddr) throw;
newContractAddr = _newContractAddr;
}
/// 设置新的所有者地址
function changeOwner(address _newFundDeposit) isOwner() external {
if (_newFundDeposit == address(0x0)) throw;
ethFundDeposit = _newFundDeposit;
}
///转移token到新的合约
function migrate() external {
if(isFunding) throw;
if(newContractAddr == address(0x0)) throw;
uint256 tokens = balances[msg.sender];
if (tokens == 0) throw;
balances[msg.sender] = 0;
tokenMigrated = safeAdd(tokenMigrated, tokens);
IMigrationContract newContract = IMigrationContract(newContractAddr);
if (!newContract.migrate(msg.sender, tokens)) throw;
Migrate(msg.sender, tokens); // log it
}
/// 转账ETH 到GENE团队
function transferETH() isOwner external {
if (this.balance == 0) throw;
if (!ethFundDeposit.send(this.balance)) throw;
}
/// 将GENE token分配到预处理地址。
function allocateToken (address _addr, uint256 _eth) isOwner external {
if (_eth == 0) throw;
if (_addr == address(0x0)) throw;
uint256 tokens = safeMult(formatDecimals(_eth), tokenExchangeRate);
if (tokens + tokenRaised > currentSupply) throw;
tokenRaised = safeAdd(tokenRaised, tokens);
balances[_addr] += tokens;
AllocateToken(_addr, tokens); // 记录token日志
}
/// 购买token
function () payable {
if (!isFunding) throw;
if (msg.value == 0) throw;
if (block.number < fundingStartBlock) throw;
if (block.number > fundingStopBlock) throw;
uint256 tokens = safeMult(msg.value, tokenExchangeRate);
if (tokens + tokenRaised > currentSupply) throw;
tokenRaised = safeAdd(tokenRaised, tokens);
balances[msg.sender] += tokens;
IssueToken(msg.sender, tokens); //记录日志
}
} | formatDecimals | function formatDecimals(uint256 _value) internal returns (uint256 ) {
return _value * 10 ** decimals;
}
| // 转换 | LineComment | v0.4.21+commit.dfe3193c | None | bzzr://4a571c11eb8bd6ba87335de5fc47943ed94ef9e2a4fa15d54f86ee351bd31848 | {
"func_code_index": [
1143,
1265
]
} | 4,623 |
||
GENEToken | GENEToken.sol | 0xbb7c85dee0074a00bd0c13c85abe2ecbc7779914 | Solidity | GENEToken | contract GENEToken is StandardToken, SafeMath {
// metadata
string public constant name = "GENE";
string public constant symbol = "GE";
uint256 public constant decimals = 18;
string public version = "1.0";
// contracts
address public ethFundDeposit; // ETH存放地址
address public newContractAddr; // token更新地址
// crowdsale parameters
bool public isFunding; // 状态切换到true
uint256 public fundingStartBlock;
uint256 public fundingStopBlock;
uint256 public currentSupply; // 正在售卖中的tokens数量
uint256 public tokenRaised = 0; // 总的售卖数量token
uint256 public tokenMigrated = 0; // 总的已经交易的 token
uint256 public tokenExchangeRate = 1; // 0.0001 GE 兑换 1 ETH
// events
event AllocateToken(address indexed _to, uint256 _value); // 分配的私有交易token;
event IssueToken(address indexed _to, uint256 _value); // 公开发行售卖的token;
event IncreaseSupply(uint256 _value);
event DecreaseSupply(uint256 _value);
event Migrate(address indexed _to, uint256 _value);
// 转换
function formatDecimals(uint256 _value) internal returns (uint256 ) {
return _value * 10 ** decimals;
}
// constructor
function GENEToken(
address _ethFundDeposit,
uint256 _currentSupply)
{
ethFundDeposit = _ethFundDeposit;
isFunding = false; //通过控制预CrowdS ale状态
fundingStartBlock = 0;
fundingStopBlock = 0;
currentSupply = formatDecimals(_currentSupply);
totalSupply = formatDecimals(1000000000);
balances[msg.sender] = totalSupply;
if(currentSupply > totalSupply) throw;
}
modifier isOwner() { require(msg.sender == ethFundDeposit); _; }
/// 设置token汇率
function setTokenExchangeRate(uint256 _tokenExchangeRate) isOwner external {
if (_tokenExchangeRate == 0) throw;
if (_tokenExchangeRate == tokenExchangeRate) throw;
tokenExchangeRate = _tokenExchangeRate;
}
/// @dev 超发token处理
function increaseSupply (uint256 _value) isOwner external {
uint256 value = formatDecimals(_value);
if (value + currentSupply > totalSupply) throw;
currentSupply = safeAdd(currentSupply, value);
IncreaseSupply(value);
}
/// @dev 被盗token处理
function decreaseSupply (uint256 _value) isOwner external {
uint256 value = formatDecimals(_value);
if (value + tokenRaised > currentSupply) throw;
currentSupply = safeSubtract(currentSupply, value);
DecreaseSupply(value);
}
/// 启动区块检测 异常的处理
function startFunding (uint256 _fundingStartBlock, uint256 _fundingStopBlock) isOwner external {
if (isFunding) throw;
if (_fundingStartBlock >= _fundingStopBlock) throw;
if (block.number >= _fundingStartBlock) throw;
fundingStartBlock = _fundingStartBlock;
fundingStopBlock = _fundingStopBlock;
isFunding = true;
}
/// 关闭区块异常处理
function stopFunding() isOwner external {
if (!isFunding) throw;
isFunding = false;
}
/// 开发了一个新的合同来接收token（或者更新token）
function setMigrateContract(address _newContractAddr) isOwner external {
if (_newContractAddr == newContractAddr) throw;
newContractAddr = _newContractAddr;
}
/// 设置新的所有者地址
function changeOwner(address _newFundDeposit) isOwner() external {
if (_newFundDeposit == address(0x0)) throw;
ethFundDeposit = _newFundDeposit;
}
///转移token到新的合约
function migrate() external {
if(isFunding) throw;
if(newContractAddr == address(0x0)) throw;
uint256 tokens = balances[msg.sender];
if (tokens == 0) throw;
balances[msg.sender] = 0;
tokenMigrated = safeAdd(tokenMigrated, tokens);
IMigrationContract newContract = IMigrationContract(newContractAddr);
if (!newContract.migrate(msg.sender, tokens)) throw;
Migrate(msg.sender, tokens); // log it
}
/// 转账ETH 到GENE团队
function transferETH() isOwner external {
if (this.balance == 0) throw;
if (!ethFundDeposit.send(this.balance)) throw;
}
/// 将GENE token分配到预处理地址。
function allocateToken (address _addr, uint256 _eth) isOwner external {
if (_eth == 0) throw;
if (_addr == address(0x0)) throw;
uint256 tokens = safeMult(formatDecimals(_eth), tokenExchangeRate);
if (tokens + tokenRaised > currentSupply) throw;
tokenRaised = safeAdd(tokenRaised, tokens);
balances[_addr] += tokens;
AllocateToken(_addr, tokens); // 记录token日志
}
/// 购买token
function () payable {
if (!isFunding) throw;
if (msg.value == 0) throw;
if (block.number < fundingStartBlock) throw;
if (block.number > fundingStopBlock) throw;
uint256 tokens = safeMult(msg.value, tokenExchangeRate);
if (tokens + tokenRaised > currentSupply) throw;
tokenRaised = safeAdd(tokenRaised, tokens);
balances[msg.sender] += tokens;
IssueToken(msg.sender, tokens); //记录日志
}
} | GENEToken | function GENEToken(
address _ethFundDeposit,
uint256 _currentSupply)
{
ethFundDeposit = _ethFundDeposit;
isFunding = false; //通过控制预CrowdS ale状态
fundingStartBlock = 0;
fundingStopBlock = 0;
currentSupply = formatDecimals(_currentSupply);
totalSupply = formatDecimals(1000000000);
balances[msg.sender] = totalSupply;
if(currentSupply > totalSupply) throw;
}
| // constructor | LineComment | v0.4.21+commit.dfe3193c | None | bzzr://4a571c11eb8bd6ba87335de5fc47943ed94ef9e2a4fa15d54f86ee351bd31848 | {
"func_code_index": [
1289,
1781
]
} | 4,624 |
||
GENEToken | GENEToken.sol | 0xbb7c85dee0074a00bd0c13c85abe2ecbc7779914 | Solidity | GENEToken | contract GENEToken is StandardToken, SafeMath {
// metadata
string public constant name = "GENE";
string public constant symbol = "GE";
uint256 public constant decimals = 18;
string public version = "1.0";
// contracts
address public ethFundDeposit; // ETH存放地址
address public newContractAddr; // token更新地址
// crowdsale parameters
bool public isFunding; // 状态切换到true
uint256 public fundingStartBlock;
uint256 public fundingStopBlock;
uint256 public currentSupply; // 正在售卖中的tokens数量
uint256 public tokenRaised = 0; // 总的售卖数量token
uint256 public tokenMigrated = 0; // 总的已经交易的 token
uint256 public tokenExchangeRate = 1; // 0.0001 GE 兑换 1 ETH
// events
event AllocateToken(address indexed _to, uint256 _value); // 分配的私有交易token;
event IssueToken(address indexed _to, uint256 _value); // 公开发行售卖的token;
event IncreaseSupply(uint256 _value);
event DecreaseSupply(uint256 _value);
event Migrate(address indexed _to, uint256 _value);
// 转换
function formatDecimals(uint256 _value) internal returns (uint256 ) {
return _value * 10 ** decimals;
}
// constructor
function GENEToken(
address _ethFundDeposit,
uint256 _currentSupply)
{
ethFundDeposit = _ethFundDeposit;
isFunding = false; //通过控制预CrowdS ale状态
fundingStartBlock = 0;
fundingStopBlock = 0;
currentSupply = formatDecimals(_currentSupply);
totalSupply = formatDecimals(1000000000);
balances[msg.sender] = totalSupply;
if(currentSupply > totalSupply) throw;
}
modifier isOwner() { require(msg.sender == ethFundDeposit); _; }
/// 设置token汇率
function setTokenExchangeRate(uint256 _tokenExchangeRate) isOwner external {
if (_tokenExchangeRate == 0) throw;
if (_tokenExchangeRate == tokenExchangeRate) throw;
tokenExchangeRate = _tokenExchangeRate;
}
/// @dev 超发token处理
function increaseSupply (uint256 _value) isOwner external {
uint256 value = formatDecimals(_value);
if (value + currentSupply > totalSupply) throw;
currentSupply = safeAdd(currentSupply, value);
IncreaseSupply(value);
}
/// @dev 被盗token处理
function decreaseSupply (uint256 _value) isOwner external {
uint256 value = formatDecimals(_value);
if (value + tokenRaised > currentSupply) throw;
currentSupply = safeSubtract(currentSupply, value);
DecreaseSupply(value);
}
/// 启动区块检测 异常的处理
function startFunding (uint256 _fundingStartBlock, uint256 _fundingStopBlock) isOwner external {
if (isFunding) throw;
if (_fundingStartBlock >= _fundingStopBlock) throw;
if (block.number >= _fundingStartBlock) throw;
fundingStartBlock = _fundingStartBlock;
fundingStopBlock = _fundingStopBlock;
isFunding = true;
}
/// 关闭区块异常处理
function stopFunding() isOwner external {
if (!isFunding) throw;
isFunding = false;
}
/// 开发了一个新的合同来接收token（或者更新token）
function setMigrateContract(address _newContractAddr) isOwner external {
if (_newContractAddr == newContractAddr) throw;
newContractAddr = _newContractAddr;
}
/// 设置新的所有者地址
function changeOwner(address _newFundDeposit) isOwner() external {
if (_newFundDeposit == address(0x0)) throw;
ethFundDeposit = _newFundDeposit;
}
///转移token到新的合约
function migrate() external {
if(isFunding) throw;
if(newContractAddr == address(0x0)) throw;
uint256 tokens = balances[msg.sender];
if (tokens == 0) throw;
balances[msg.sender] = 0;
tokenMigrated = safeAdd(tokenMigrated, tokens);
IMigrationContract newContract = IMigrationContract(newContractAddr);
if (!newContract.migrate(msg.sender, tokens)) throw;
Migrate(msg.sender, tokens); // log it
}
/// 转账ETH 到GENE团队
function transferETH() isOwner external {
if (this.balance == 0) throw;
if (!ethFundDeposit.send(this.balance)) throw;
}
/// 将GENE token分配到预处理地址。
function allocateToken (address _addr, uint256 _eth) isOwner external {
if (_eth == 0) throw;
if (_addr == address(0x0)) throw;
uint256 tokens = safeMult(formatDecimals(_eth), tokenExchangeRate);
if (tokens + tokenRaised > currentSupply) throw;
tokenRaised = safeAdd(tokenRaised, tokens);
balances[_addr] += tokens;
AllocateToken(_addr, tokens); // 记录token日志
}
/// 购买token
function () payable {
if (!isFunding) throw;
if (msg.value == 0) throw;
if (block.number < fundingStartBlock) throw;
if (block.number > fundingStopBlock) throw;
uint256 tokens = safeMult(msg.value, tokenExchangeRate);
if (tokens + tokenRaised > currentSupply) throw;
tokenRaised = safeAdd(tokenRaised, tokens);
balances[msg.sender] += tokens;
IssueToken(msg.sender, tokens); //记录日志
}
} | setTokenExchangeRate | function setTokenExchangeRate(uint256 _tokenExchangeRate) isOwner external {
if (_tokenExchangeRate == 0) throw;
if (_tokenExchangeRate == tokenExchangeRate) throw;
tokenExchangeRate = _tokenExchangeRate;
}
| /// 设置token汇率 | NatSpecSingleLine | v0.4.21+commit.dfe3193c | None | bzzr://4a571c11eb8bd6ba87335de5fc47943ed94ef9e2a4fa15d54f86ee351bd31848 | {
"func_code_index": [
1879,
2125
]
} | 4,625 |
||
GENEToken | GENEToken.sol | 0xbb7c85dee0074a00bd0c13c85abe2ecbc7779914 | Solidity | GENEToken | contract GENEToken is StandardToken, SafeMath {
// metadata
string public constant name = "GENE";
string public constant symbol = "GE";
uint256 public constant decimals = 18;
string public version = "1.0";
// contracts
address public ethFundDeposit; // ETH存放地址
address public newContractAddr; // token更新地址
// crowdsale parameters
bool public isFunding; // 状态切换到true
uint256 public fundingStartBlock;
uint256 public fundingStopBlock;
uint256 public currentSupply; // 正在售卖中的tokens数量
uint256 public tokenRaised = 0; // 总的售卖数量token
uint256 public tokenMigrated = 0; // 总的已经交易的 token
uint256 public tokenExchangeRate = 1; // 0.0001 GE 兑换 1 ETH
// events
event AllocateToken(address indexed _to, uint256 _value); // 分配的私有交易token;
event IssueToken(address indexed _to, uint256 _value); // 公开发行售卖的token;
event IncreaseSupply(uint256 _value);
event DecreaseSupply(uint256 _value);
event Migrate(address indexed _to, uint256 _value);
// 转换
function formatDecimals(uint256 _value) internal returns (uint256 ) {
return _value * 10 ** decimals;
}
// constructor
function GENEToken(
address _ethFundDeposit,
uint256 _currentSupply)
{
ethFundDeposit = _ethFundDeposit;
isFunding = false; //通过控制预CrowdS ale状态
fundingStartBlock = 0;
fundingStopBlock = 0;
currentSupply = formatDecimals(_currentSupply);
totalSupply = formatDecimals(1000000000);
balances[msg.sender] = totalSupply;
if(currentSupply > totalSupply) throw;
}
modifier isOwner() { require(msg.sender == ethFundDeposit); _; }
/// 设置token汇率
function setTokenExchangeRate(uint256 _tokenExchangeRate) isOwner external {
if (_tokenExchangeRate == 0) throw;
if (_tokenExchangeRate == tokenExchangeRate) throw;
tokenExchangeRate = _tokenExchangeRate;
}
/// @dev 超发token处理
function increaseSupply (uint256 _value) isOwner external {
uint256 value = formatDecimals(_value);
if (value + currentSupply > totalSupply) throw;
currentSupply = safeAdd(currentSupply, value);
IncreaseSupply(value);
}
/// @dev 被盗token处理
function decreaseSupply (uint256 _value) isOwner external {
uint256 value = formatDecimals(_value);
if (value + tokenRaised > currentSupply) throw;
currentSupply = safeSubtract(currentSupply, value);
DecreaseSupply(value);
}
/// 启动区块检测 异常的处理
function startFunding (uint256 _fundingStartBlock, uint256 _fundingStopBlock) isOwner external {
if (isFunding) throw;
if (_fundingStartBlock >= _fundingStopBlock) throw;
if (block.number >= _fundingStartBlock) throw;
fundingStartBlock = _fundingStartBlock;
fundingStopBlock = _fundingStopBlock;
isFunding = true;
}
/// 关闭区块异常处理
function stopFunding() isOwner external {
if (!isFunding) throw;
isFunding = false;
}
/// 开发了一个新的合同来接收token（或者更新token）
function setMigrateContract(address _newContractAddr) isOwner external {
if (_newContractAddr == newContractAddr) throw;
newContractAddr = _newContractAddr;
}
/// 设置新的所有者地址
function changeOwner(address _newFundDeposit) isOwner() external {
if (_newFundDeposit == address(0x0)) throw;
ethFundDeposit = _newFundDeposit;
}
///转移token到新的合约
function migrate() external {
if(isFunding) throw;
if(newContractAddr == address(0x0)) throw;
uint256 tokens = balances[msg.sender];
if (tokens == 0) throw;
balances[msg.sender] = 0;
tokenMigrated = safeAdd(tokenMigrated, tokens);
IMigrationContract newContract = IMigrationContract(newContractAddr);
if (!newContract.migrate(msg.sender, tokens)) throw;
Migrate(msg.sender, tokens); // log it
}
/// 转账ETH 到GENE团队
function transferETH() isOwner external {
if (this.balance == 0) throw;
if (!ethFundDeposit.send(this.balance)) throw;
}
/// 将GENE token分配到预处理地址。
function allocateToken (address _addr, uint256 _eth) isOwner external {
if (_eth == 0) throw;
if (_addr == address(0x0)) throw;
uint256 tokens = safeMult(formatDecimals(_eth), tokenExchangeRate);
if (tokens + tokenRaised > currentSupply) throw;
tokenRaised = safeAdd(tokenRaised, tokens);
balances[_addr] += tokens;
AllocateToken(_addr, tokens); // 记录token日志
}
/// 购买token
function () payable {
if (!isFunding) throw;
if (msg.value == 0) throw;
if (block.number < fundingStartBlock) throw;
if (block.number > fundingStopBlock) throw;
uint256 tokens = safeMult(msg.value, tokenExchangeRate);
if (tokens + tokenRaised > currentSupply) throw;
tokenRaised = safeAdd(tokenRaised, tokens);
balances[msg.sender] += tokens;
IssueToken(msg.sender, tokens); //记录日志
}
} | increaseSupply | function increaseSupply (uint256 _value) isOwner external {
uint256 value = formatDecimals(_value);
if (value + currentSupply > totalSupply) throw;
currentSupply = safeAdd(currentSupply, value);
IncreaseSupply(value);
}
| /// @dev 超发token处理 | NatSpecSingleLine | v0.4.21+commit.dfe3193c | None | bzzr://4a571c11eb8bd6ba87335de5fc47943ed94ef9e2a4fa15d54f86ee351bd31848 | {
"func_code_index": [
2153,
2418
]
} | 4,626 |
||
GENEToken | GENEToken.sol | 0xbb7c85dee0074a00bd0c13c85abe2ecbc7779914 | Solidity | GENEToken | contract GENEToken is StandardToken, SafeMath {
// metadata
string public constant name = "GENE";
string public constant symbol = "GE";
uint256 public constant decimals = 18;
string public version = "1.0";
// contracts
address public ethFundDeposit; // ETH存放地址
address public newContractAddr; // token更新地址
// crowdsale parameters
bool public isFunding; // 状态切换到true
uint256 public fundingStartBlock;
uint256 public fundingStopBlock;
uint256 public currentSupply; // 正在售卖中的tokens数量
uint256 public tokenRaised = 0; // 总的售卖数量token
uint256 public tokenMigrated = 0; // 总的已经交易的 token
uint256 public tokenExchangeRate = 1; // 0.0001 GE 兑换 1 ETH
// events
event AllocateToken(address indexed _to, uint256 _value); // 分配的私有交易token;
event IssueToken(address indexed _to, uint256 _value); // 公开发行售卖的token;
event IncreaseSupply(uint256 _value);
event DecreaseSupply(uint256 _value);
event Migrate(address indexed _to, uint256 _value);
// 转换
function formatDecimals(uint256 _value) internal returns (uint256 ) {
return _value * 10 ** decimals;
}
// constructor
function GENEToken(
address _ethFundDeposit,
uint256 _currentSupply)
{
ethFundDeposit = _ethFundDeposit;
isFunding = false; //通过控制预CrowdS ale状态
fundingStartBlock = 0;
fundingStopBlock = 0;
currentSupply = formatDecimals(_currentSupply);
totalSupply = formatDecimals(1000000000);
balances[msg.sender] = totalSupply;
if(currentSupply > totalSupply) throw;
}
modifier isOwner() { require(msg.sender == ethFundDeposit); _; }
/// 设置token汇率
function setTokenExchangeRate(uint256 _tokenExchangeRate) isOwner external {
if (_tokenExchangeRate == 0) throw;
if (_tokenExchangeRate == tokenExchangeRate) throw;
tokenExchangeRate = _tokenExchangeRate;
}
/// @dev 超发token处理
function increaseSupply (uint256 _value) isOwner external {
uint256 value = formatDecimals(_value);
if (value + currentSupply > totalSupply) throw;
currentSupply = safeAdd(currentSupply, value);
IncreaseSupply(value);
}
/// @dev 被盗token处理
function decreaseSupply (uint256 _value) isOwner external {
uint256 value = formatDecimals(_value);
if (value + tokenRaised > currentSupply) throw;
currentSupply = safeSubtract(currentSupply, value);
DecreaseSupply(value);
}
/// 启动区块检测 异常的处理
function startFunding (uint256 _fundingStartBlock, uint256 _fundingStopBlock) isOwner external {
if (isFunding) throw;
if (_fundingStartBlock >= _fundingStopBlock) throw;
if (block.number >= _fundingStartBlock) throw;
fundingStartBlock = _fundingStartBlock;
fundingStopBlock = _fundingStopBlock;
isFunding = true;
}
/// 关闭区块异常处理
function stopFunding() isOwner external {
if (!isFunding) throw;
isFunding = false;
}
/// 开发了一个新的合同来接收token（或者更新token）
function setMigrateContract(address _newContractAddr) isOwner external {
if (_newContractAddr == newContractAddr) throw;
newContractAddr = _newContractAddr;
}
/// 设置新的所有者地址
function changeOwner(address _newFundDeposit) isOwner() external {
if (_newFundDeposit == address(0x0)) throw;
ethFundDeposit = _newFundDeposit;
}
///转移token到新的合约
function migrate() external {
if(isFunding) throw;
if(newContractAddr == address(0x0)) throw;
uint256 tokens = balances[msg.sender];
if (tokens == 0) throw;
balances[msg.sender] = 0;
tokenMigrated = safeAdd(tokenMigrated, tokens);
IMigrationContract newContract = IMigrationContract(newContractAddr);
if (!newContract.migrate(msg.sender, tokens)) throw;
Migrate(msg.sender, tokens); // log it
}
/// 转账ETH 到GENE团队
function transferETH() isOwner external {
if (this.balance == 0) throw;
if (!ethFundDeposit.send(this.balance)) throw;
}
/// 将GENE token分配到预处理地址。
function allocateToken (address _addr, uint256 _eth) isOwner external {
if (_eth == 0) throw;
if (_addr == address(0x0)) throw;
uint256 tokens = safeMult(formatDecimals(_eth), tokenExchangeRate);
if (tokens + tokenRaised > currentSupply) throw;
tokenRaised = safeAdd(tokenRaised, tokens);
balances[_addr] += tokens;
AllocateToken(_addr, tokens); // 记录token日志
}
/// 购买token
function () payable {
if (!isFunding) throw;
if (msg.value == 0) throw;
if (block.number < fundingStartBlock) throw;
if (block.number > fundingStopBlock) throw;
uint256 tokens = safeMult(msg.value, tokenExchangeRate);
if (tokens + tokenRaised > currentSupply) throw;
tokenRaised = safeAdd(tokenRaised, tokens);
balances[msg.sender] += tokens;
IssueToken(msg.sender, tokens); //记录日志
}
} | decreaseSupply | function decreaseSupply (uint256 _value) isOwner external {
uint256 value = formatDecimals(_value);
if (value + tokenRaised > currentSupply) throw;
currentSupply = safeSubtract(currentSupply, value);
DecreaseSupply(value);
}
| /// @dev 被盗token处理 | NatSpecSingleLine | v0.4.21+commit.dfe3193c | None | bzzr://4a571c11eb8bd6ba87335de5fc47943ed94ef9e2a4fa15d54f86ee351bd31848 | {
"func_code_index": [
2446,
2719
]
} | 4,627 |
||
GENEToken | GENEToken.sol | 0xbb7c85dee0074a00bd0c13c85abe2ecbc7779914 | Solidity | GENEToken | contract GENEToken is StandardToken, SafeMath {
// metadata
string public constant name = "GENE";
string public constant symbol = "GE";
uint256 public constant decimals = 18;
string public version = "1.0";
// contracts
address public ethFundDeposit; // ETH存放地址
address public newContractAddr; // token更新地址
// crowdsale parameters
bool public isFunding; // 状态切换到true
uint256 public fundingStartBlock;
uint256 public fundingStopBlock;
uint256 public currentSupply; // 正在售卖中的tokens数量
uint256 public tokenRaised = 0; // 总的售卖数量token
uint256 public tokenMigrated = 0; // 总的已经交易的 token
uint256 public tokenExchangeRate = 1; // 0.0001 GE 兑换 1 ETH
// events
event AllocateToken(address indexed _to, uint256 _value); // 分配的私有交易token;
event IssueToken(address indexed _to, uint256 _value); // 公开发行售卖的token;
event IncreaseSupply(uint256 _value);
event DecreaseSupply(uint256 _value);
event Migrate(address indexed _to, uint256 _value);
// 转换
function formatDecimals(uint256 _value) internal returns (uint256 ) {
return _value * 10 ** decimals;
}
// constructor
function GENEToken(
address _ethFundDeposit,
uint256 _currentSupply)
{
ethFundDeposit = _ethFundDeposit;
isFunding = false; //通过控制预CrowdS ale状态
fundingStartBlock = 0;
fundingStopBlock = 0;
currentSupply = formatDecimals(_currentSupply);
totalSupply = formatDecimals(1000000000);
balances[msg.sender] = totalSupply;
if(currentSupply > totalSupply) throw;
}
modifier isOwner() { require(msg.sender == ethFundDeposit); _; }
/// 设置token汇率
function setTokenExchangeRate(uint256 _tokenExchangeRate) isOwner external {
if (_tokenExchangeRate == 0) throw;
if (_tokenExchangeRate == tokenExchangeRate) throw;
tokenExchangeRate = _tokenExchangeRate;
}
/// @dev 超发token处理
function increaseSupply (uint256 _value) isOwner external {
uint256 value = formatDecimals(_value);
if (value + currentSupply > totalSupply) throw;
currentSupply = safeAdd(currentSupply, value);
IncreaseSupply(value);
}
/// @dev 被盗token处理
function decreaseSupply (uint256 _value) isOwner external {
uint256 value = formatDecimals(_value);
if (value + tokenRaised > currentSupply) throw;
currentSupply = safeSubtract(currentSupply, value);
DecreaseSupply(value);
}
/// 启动区块检测 异常的处理
function startFunding (uint256 _fundingStartBlock, uint256 _fundingStopBlock) isOwner external {
if (isFunding) throw;
if (_fundingStartBlock >= _fundingStopBlock) throw;
if (block.number >= _fundingStartBlock) throw;
fundingStartBlock = _fundingStartBlock;
fundingStopBlock = _fundingStopBlock;
isFunding = true;
}
/// 关闭区块异常处理
function stopFunding() isOwner external {
if (!isFunding) throw;
isFunding = false;
}
/// 开发了一个新的合同来接收token（或者更新token）
function setMigrateContract(address _newContractAddr) isOwner external {
if (_newContractAddr == newContractAddr) throw;
newContractAddr = _newContractAddr;
}
/// 设置新的所有者地址
function changeOwner(address _newFundDeposit) isOwner() external {
if (_newFundDeposit == address(0x0)) throw;
ethFundDeposit = _newFundDeposit;
}
///转移token到新的合约
function migrate() external {
if(isFunding) throw;
if(newContractAddr == address(0x0)) throw;
uint256 tokens = balances[msg.sender];
if (tokens == 0) throw;
balances[msg.sender] = 0;
tokenMigrated = safeAdd(tokenMigrated, tokens);
IMigrationContract newContract = IMigrationContract(newContractAddr);
if (!newContract.migrate(msg.sender, tokens)) throw;
Migrate(msg.sender, tokens); // log it
}
/// 转账ETH 到GENE团队
function transferETH() isOwner external {
if (this.balance == 0) throw;
if (!ethFundDeposit.send(this.balance)) throw;
}
/// 将GENE token分配到预处理地址。
function allocateToken (address _addr, uint256 _eth) isOwner external {
if (_eth == 0) throw;
if (_addr == address(0x0)) throw;
uint256 tokens = safeMult(formatDecimals(_eth), tokenExchangeRate);
if (tokens + tokenRaised > currentSupply) throw;
tokenRaised = safeAdd(tokenRaised, tokens);
balances[_addr] += tokens;
AllocateToken(_addr, tokens); // 记录token日志
}
/// 购买token
function () payable {
if (!isFunding) throw;
if (msg.value == 0) throw;
if (block.number < fundingStartBlock) throw;
if (block.number > fundingStopBlock) throw;
uint256 tokens = safeMult(msg.value, tokenExchangeRate);
if (tokens + tokenRaised > currentSupply) throw;
tokenRaised = safeAdd(tokenRaised, tokens);
balances[msg.sender] += tokens;
IssueToken(msg.sender, tokens); //记录日志
}
} | startFunding | function startFunding (uint256 _fundingStartBlock, uint256 _fundingStopBlock) isOwner external {
if (isFunding) throw;
if (_fundingStartBlock >= _fundingStopBlock) throw;
if (block.number >= _fundingStartBlock) throw;
fundingStartBlock = _fundingStartBlock;
fundingStopBlock = _fundingStopBlock;
isFunding = true;
}
| /// 启动区块检测 异常的处理 | NatSpecSingleLine | v0.4.21+commit.dfe3193c | None | bzzr://4a571c11eb8bd6ba87335de5fc47943ed94ef9e2a4fa15d54f86ee351bd31848 | {
"func_code_index": [
2746,
3128
]
} | 4,628 |
||
GENEToken | GENEToken.sol | 0xbb7c85dee0074a00bd0c13c85abe2ecbc7779914 | Solidity | GENEToken | contract GENEToken is StandardToken, SafeMath {
// metadata
string public constant name = "GENE";
string public constant symbol = "GE";
uint256 public constant decimals = 18;
string public version = "1.0";
// contracts
address public ethFundDeposit; // ETH存放地址
address public newContractAddr; // token更新地址
// crowdsale parameters
bool public isFunding; // 状态切换到true
uint256 public fundingStartBlock;
uint256 public fundingStopBlock;
uint256 public currentSupply; // 正在售卖中的tokens数量
uint256 public tokenRaised = 0; // 总的售卖数量token
uint256 public tokenMigrated = 0; // 总的已经交易的 token
uint256 public tokenExchangeRate = 1; // 0.0001 GE 兑换 1 ETH
// events
event AllocateToken(address indexed _to, uint256 _value); // 分配的私有交易token;
event IssueToken(address indexed _to, uint256 _value); // 公开发行售卖的token;
event IncreaseSupply(uint256 _value);
event DecreaseSupply(uint256 _value);
event Migrate(address indexed _to, uint256 _value);
// 转换
function formatDecimals(uint256 _value) internal returns (uint256 ) {
return _value * 10 ** decimals;
}
// constructor
function GENEToken(
address _ethFundDeposit,
uint256 _currentSupply)
{
ethFundDeposit = _ethFundDeposit;
isFunding = false; //通过控制预CrowdS ale状态
fundingStartBlock = 0;
fundingStopBlock = 0;
currentSupply = formatDecimals(_currentSupply);
totalSupply = formatDecimals(1000000000);
balances[msg.sender] = totalSupply;
if(currentSupply > totalSupply) throw;
}
modifier isOwner() { require(msg.sender == ethFundDeposit); _; }
/// 设置token汇率
function setTokenExchangeRate(uint256 _tokenExchangeRate) isOwner external {
if (_tokenExchangeRate == 0) throw;
if (_tokenExchangeRate == tokenExchangeRate) throw;
tokenExchangeRate = _tokenExchangeRate;
}
/// @dev 超发token处理
function increaseSupply (uint256 _value) isOwner external {
uint256 value = formatDecimals(_value);
if (value + currentSupply > totalSupply) throw;
currentSupply = safeAdd(currentSupply, value);
IncreaseSupply(value);
}
/// @dev 被盗token处理
function decreaseSupply (uint256 _value) isOwner external {
uint256 value = formatDecimals(_value);
if (value + tokenRaised > currentSupply) throw;
currentSupply = safeSubtract(currentSupply, value);
DecreaseSupply(value);
}
/// 启动区块检测 异常的处理
function startFunding (uint256 _fundingStartBlock, uint256 _fundingStopBlock) isOwner external {
if (isFunding) throw;
if (_fundingStartBlock >= _fundingStopBlock) throw;
if (block.number >= _fundingStartBlock) throw;
fundingStartBlock = _fundingStartBlock;
fundingStopBlock = _fundingStopBlock;
isFunding = true;
}
/// 关闭区块异常处理
function stopFunding() isOwner external {
if (!isFunding) throw;
isFunding = false;
}
/// 开发了一个新的合同来接收token（或者更新token）
function setMigrateContract(address _newContractAddr) isOwner external {
if (_newContractAddr == newContractAddr) throw;
newContractAddr = _newContractAddr;
}
/// 设置新的所有者地址
function changeOwner(address _newFundDeposit) isOwner() external {
if (_newFundDeposit == address(0x0)) throw;
ethFundDeposit = _newFundDeposit;
}
///转移token到新的合约
function migrate() external {
if(isFunding) throw;
if(newContractAddr == address(0x0)) throw;
uint256 tokens = balances[msg.sender];
if (tokens == 0) throw;
balances[msg.sender] = 0;
tokenMigrated = safeAdd(tokenMigrated, tokens);
IMigrationContract newContract = IMigrationContract(newContractAddr);
if (!newContract.migrate(msg.sender, tokens)) throw;
Migrate(msg.sender, tokens); // log it
}
/// 转账ETH 到GENE团队
function transferETH() isOwner external {
if (this.balance == 0) throw;
if (!ethFundDeposit.send(this.balance)) throw;
}
/// 将GENE token分配到预处理地址。
function allocateToken (address _addr, uint256 _eth) isOwner external {
if (_eth == 0) throw;
if (_addr == address(0x0)) throw;
uint256 tokens = safeMult(formatDecimals(_eth), tokenExchangeRate);
if (tokens + tokenRaised > currentSupply) throw;
tokenRaised = safeAdd(tokenRaised, tokens);
balances[_addr] += tokens;
AllocateToken(_addr, tokens); // 记录token日志
}
/// 购买token
function () payable {
if (!isFunding) throw;
if (msg.value == 0) throw;
if (block.number < fundingStartBlock) throw;
if (block.number > fundingStopBlock) throw;
uint256 tokens = safeMult(msg.value, tokenExchangeRate);
if (tokens + tokenRaised > currentSupply) throw;
tokenRaised = safeAdd(tokenRaised, tokens);
balances[msg.sender] += tokens;
IssueToken(msg.sender, tokens); //记录日志
}
} | stopFunding | function stopFunding() isOwner external {
if (!isFunding) throw;
isFunding = false;
}
| /// 关闭区块异常处理 | NatSpecSingleLine | v0.4.21+commit.dfe3193c | None | bzzr://4a571c11eb8bd6ba87335de5fc47943ed94ef9e2a4fa15d54f86ee351bd31848 | {
"func_code_index": [
3151,
3264
]
} | 4,629 |
||
GENEToken | GENEToken.sol | 0xbb7c85dee0074a00bd0c13c85abe2ecbc7779914 | Solidity | GENEToken | contract GENEToken is StandardToken, SafeMath {
// metadata
string public constant name = "GENE";
string public constant symbol = "GE";
uint256 public constant decimals = 18;
string public version = "1.0";
// contracts
address public ethFundDeposit; // ETH存放地址
address public newContractAddr; // token更新地址
// crowdsale parameters
bool public isFunding; // 状态切换到true
uint256 public fundingStartBlock;
uint256 public fundingStopBlock;
uint256 public currentSupply; // 正在售卖中的tokens数量
uint256 public tokenRaised = 0; // 总的售卖数量token
uint256 public tokenMigrated = 0; // 总的已经交易的 token
uint256 public tokenExchangeRate = 1; // 0.0001 GE 兑换 1 ETH
// events
event AllocateToken(address indexed _to, uint256 _value); // 分配的私有交易token;
event IssueToken(address indexed _to, uint256 _value); // 公开发行售卖的token;
event IncreaseSupply(uint256 _value);
event DecreaseSupply(uint256 _value);
event Migrate(address indexed _to, uint256 _value);
// 转换
function formatDecimals(uint256 _value) internal returns (uint256 ) {
return _value * 10 ** decimals;
}
// constructor
function GENEToken(
address _ethFundDeposit,
uint256 _currentSupply)
{
ethFundDeposit = _ethFundDeposit;
isFunding = false; //通过控制预CrowdS ale状态
fundingStartBlock = 0;
fundingStopBlock = 0;
currentSupply = formatDecimals(_currentSupply);
totalSupply = formatDecimals(1000000000);
balances[msg.sender] = totalSupply;
if(currentSupply > totalSupply) throw;
}
modifier isOwner() { require(msg.sender == ethFundDeposit); _; }
/// 设置token汇率
function setTokenExchangeRate(uint256 _tokenExchangeRate) isOwner external {
if (_tokenExchangeRate == 0) throw;
if (_tokenExchangeRate == tokenExchangeRate) throw;
tokenExchangeRate = _tokenExchangeRate;
}
/// @dev 超发token处理
function increaseSupply (uint256 _value) isOwner external {
uint256 value = formatDecimals(_value);
if (value + currentSupply > totalSupply) throw;
currentSupply = safeAdd(currentSupply, value);
IncreaseSupply(value);
}
/// @dev 被盗token处理
function decreaseSupply (uint256 _value) isOwner external {
uint256 value = formatDecimals(_value);
if (value + tokenRaised > currentSupply) throw;
currentSupply = safeSubtract(currentSupply, value);
DecreaseSupply(value);
}
/// 启动区块检测 异常的处理
function startFunding (uint256 _fundingStartBlock, uint256 _fundingStopBlock) isOwner external {
if (isFunding) throw;
if (_fundingStartBlock >= _fundingStopBlock) throw;
if (block.number >= _fundingStartBlock) throw;
fundingStartBlock = _fundingStartBlock;
fundingStopBlock = _fundingStopBlock;
isFunding = true;
}
/// 关闭区块异常处理
function stopFunding() isOwner external {
if (!isFunding) throw;
isFunding = false;
}
/// 开发了一个新的合同来接收token（或者更新token）
function setMigrateContract(address _newContractAddr) isOwner external {
if (_newContractAddr == newContractAddr) throw;
newContractAddr = _newContractAddr;
}
/// 设置新的所有者地址
function changeOwner(address _newFundDeposit) isOwner() external {
if (_newFundDeposit == address(0x0)) throw;
ethFundDeposit = _newFundDeposit;
}
///转移token到新的合约
function migrate() external {
if(isFunding) throw;
if(newContractAddr == address(0x0)) throw;
uint256 tokens = balances[msg.sender];
if (tokens == 0) throw;
balances[msg.sender] = 0;
tokenMigrated = safeAdd(tokenMigrated, tokens);
IMigrationContract newContract = IMigrationContract(newContractAddr);
if (!newContract.migrate(msg.sender, tokens)) throw;
Migrate(msg.sender, tokens); // log it
}
/// 转账ETH 到GENE团队
function transferETH() isOwner external {
if (this.balance == 0) throw;
if (!ethFundDeposit.send(this.balance)) throw;
}
/// 将GENE token分配到预处理地址。
function allocateToken (address _addr, uint256 _eth) isOwner external {
if (_eth == 0) throw;
if (_addr == address(0x0)) throw;
uint256 tokens = safeMult(formatDecimals(_eth), tokenExchangeRate);
if (tokens + tokenRaised > currentSupply) throw;
tokenRaised = safeAdd(tokenRaised, tokens);
balances[_addr] += tokens;
AllocateToken(_addr, tokens); // 记录token日志
}
/// 购买token
function () payable {
if (!isFunding) throw;
if (msg.value == 0) throw;
if (block.number < fundingStartBlock) throw;
if (block.number > fundingStopBlock) throw;
uint256 tokens = safeMult(msg.value, tokenExchangeRate);
if (tokens + tokenRaised > currentSupply) throw;
tokenRaised = safeAdd(tokenRaised, tokens);
balances[msg.sender] += tokens;
IssueToken(msg.sender, tokens); //记录日志
}
} | setMigrateContract | function setMigrateContract(address _newContractAddr) isOwner external {
if (_newContractAddr == newContractAddr) throw;
newContractAddr = _newContractAddr;
}
| /// 开发了一个新的合同来接收token（或者更新token） | NatSpecSingleLine | v0.4.21+commit.dfe3193c | None | bzzr://4a571c11eb8bd6ba87335de5fc47943ed94ef9e2a4fa15d54f86ee351bd31848 | {
"func_code_index": [
3306,
3492
]
} | 4,630 |
||
GENEToken | GENEToken.sol | 0xbb7c85dee0074a00bd0c13c85abe2ecbc7779914 | Solidity | GENEToken | contract GENEToken is StandardToken, SafeMath {
// metadata
string public constant name = "GENE";
string public constant symbol = "GE";
uint256 public constant decimals = 18;
string public version = "1.0";
// contracts
address public ethFundDeposit; // ETH存放地址
address public newContractAddr; // token更新地址
// crowdsale parameters
bool public isFunding; // 状态切换到true
uint256 public fundingStartBlock;
uint256 public fundingStopBlock;
uint256 public currentSupply; // 正在售卖中的tokens数量
uint256 public tokenRaised = 0; // 总的售卖数量token
uint256 public tokenMigrated = 0; // 总的已经交易的 token
uint256 public tokenExchangeRate = 1; // 0.0001 GE 兑换 1 ETH
// events
event AllocateToken(address indexed _to, uint256 _value); // 分配的私有交易token;
event IssueToken(address indexed _to, uint256 _value); // 公开发行售卖的token;
event IncreaseSupply(uint256 _value);
event DecreaseSupply(uint256 _value);
event Migrate(address indexed _to, uint256 _value);
// 转换
function formatDecimals(uint256 _value) internal returns (uint256 ) {
return _value * 10 ** decimals;
}
// constructor
function GENEToken(
address _ethFundDeposit,
uint256 _currentSupply)
{
ethFundDeposit = _ethFundDeposit;
isFunding = false; //通过控制预CrowdS ale状态
fundingStartBlock = 0;
fundingStopBlock = 0;
currentSupply = formatDecimals(_currentSupply);
totalSupply = formatDecimals(1000000000);
balances[msg.sender] = totalSupply;
if(currentSupply > totalSupply) throw;
}
modifier isOwner() { require(msg.sender == ethFundDeposit); _; }
/// 设置token汇率
function setTokenExchangeRate(uint256 _tokenExchangeRate) isOwner external {
if (_tokenExchangeRate == 0) throw;
if (_tokenExchangeRate == tokenExchangeRate) throw;
tokenExchangeRate = _tokenExchangeRate;
}
/// @dev 超发token处理
function increaseSupply (uint256 _value) isOwner external {
uint256 value = formatDecimals(_value);
if (value + currentSupply > totalSupply) throw;
currentSupply = safeAdd(currentSupply, value);
IncreaseSupply(value);
}
/// @dev 被盗token处理
function decreaseSupply (uint256 _value) isOwner external {
uint256 value = formatDecimals(_value);
if (value + tokenRaised > currentSupply) throw;
currentSupply = safeSubtract(currentSupply, value);
DecreaseSupply(value);
}
/// 启动区块检测 异常的处理
function startFunding (uint256 _fundingStartBlock, uint256 _fundingStopBlock) isOwner external {
if (isFunding) throw;
if (_fundingStartBlock >= _fundingStopBlock) throw;
if (block.number >= _fundingStartBlock) throw;
fundingStartBlock = _fundingStartBlock;
fundingStopBlock = _fundingStopBlock;
isFunding = true;
}
/// 关闭区块异常处理
function stopFunding() isOwner external {
if (!isFunding) throw;
isFunding = false;
}
/// 开发了一个新的合同来接收token（或者更新token）
function setMigrateContract(address _newContractAddr) isOwner external {
if (_newContractAddr == newContractAddr) throw;
newContractAddr = _newContractAddr;
}
/// 设置新的所有者地址
function changeOwner(address _newFundDeposit) isOwner() external {
if (_newFundDeposit == address(0x0)) throw;
ethFundDeposit = _newFundDeposit;
}
///转移token到新的合约
function migrate() external {
if(isFunding) throw;
if(newContractAddr == address(0x0)) throw;
uint256 tokens = balances[msg.sender];
if (tokens == 0) throw;
balances[msg.sender] = 0;
tokenMigrated = safeAdd(tokenMigrated, tokens);
IMigrationContract newContract = IMigrationContract(newContractAddr);
if (!newContract.migrate(msg.sender, tokens)) throw;
Migrate(msg.sender, tokens); // log it
}
/// 转账ETH 到GENE团队
function transferETH() isOwner external {
if (this.balance == 0) throw;
if (!ethFundDeposit.send(this.balance)) throw;
}
/// 将GENE token分配到预处理地址。
function allocateToken (address _addr, uint256 _eth) isOwner external {
if (_eth == 0) throw;
if (_addr == address(0x0)) throw;
uint256 tokens = safeMult(formatDecimals(_eth), tokenExchangeRate);
if (tokens + tokenRaised > currentSupply) throw;
tokenRaised = safeAdd(tokenRaised, tokens);
balances[_addr] += tokens;
AllocateToken(_addr, tokens); // 记录token日志
}
/// 购买token
function () payable {
if (!isFunding) throw;
if (msg.value == 0) throw;
if (block.number < fundingStartBlock) throw;
if (block.number > fundingStopBlock) throw;
uint256 tokens = safeMult(msg.value, tokenExchangeRate);
if (tokens + tokenRaised > currentSupply) throw;
tokenRaised = safeAdd(tokenRaised, tokens);
balances[msg.sender] += tokens;
IssueToken(msg.sender, tokens); //记录日志
}
} | changeOwner | function changeOwner(address _newFundDeposit) isOwner() external {
if (_newFundDeposit == address(0x0)) throw;
ethFundDeposit = _newFundDeposit;
}
| /// 设置新的所有者地址 | NatSpecSingleLine | v0.4.21+commit.dfe3193c | None | bzzr://4a571c11eb8bd6ba87335de5fc47943ed94ef9e2a4fa15d54f86ee351bd31848 | {
"func_code_index": [
3515,
3689
]
} | 4,631 |
||
GENEToken | GENEToken.sol | 0xbb7c85dee0074a00bd0c13c85abe2ecbc7779914 | Solidity | GENEToken | contract GENEToken is StandardToken, SafeMath {
// metadata
string public constant name = "GENE";
string public constant symbol = "GE";
uint256 public constant decimals = 18;
string public version = "1.0";
// contracts
address public ethFundDeposit; // ETH存放地址
address public newContractAddr; // token更新地址
// crowdsale parameters
bool public isFunding; // 状态切换到true
uint256 public fundingStartBlock;
uint256 public fundingStopBlock;
uint256 public currentSupply; // 正在售卖中的tokens数量
uint256 public tokenRaised = 0; // 总的售卖数量token
uint256 public tokenMigrated = 0; // 总的已经交易的 token
uint256 public tokenExchangeRate = 1; // 0.0001 GE 兑换 1 ETH
// events
event AllocateToken(address indexed _to, uint256 _value); // 分配的私有交易token;
event IssueToken(address indexed _to, uint256 _value); // 公开发行售卖的token;
event IncreaseSupply(uint256 _value);
event DecreaseSupply(uint256 _value);
event Migrate(address indexed _to, uint256 _value);
// 转换
function formatDecimals(uint256 _value) internal returns (uint256 ) {
return _value * 10 ** decimals;
}
// constructor
function GENEToken(
address _ethFundDeposit,
uint256 _currentSupply)
{
ethFundDeposit = _ethFundDeposit;
isFunding = false; //通过控制预CrowdS ale状态
fundingStartBlock = 0;
fundingStopBlock = 0;
currentSupply = formatDecimals(_currentSupply);
totalSupply = formatDecimals(1000000000);
balances[msg.sender] = totalSupply;
if(currentSupply > totalSupply) throw;
}
modifier isOwner() { require(msg.sender == ethFundDeposit); _; }
/// 设置token汇率
function setTokenExchangeRate(uint256 _tokenExchangeRate) isOwner external {
if (_tokenExchangeRate == 0) throw;
if (_tokenExchangeRate == tokenExchangeRate) throw;
tokenExchangeRate = _tokenExchangeRate;
}
/// @dev 超发token处理
function increaseSupply (uint256 _value) isOwner external {
uint256 value = formatDecimals(_value);
if (value + currentSupply > totalSupply) throw;
currentSupply = safeAdd(currentSupply, value);
IncreaseSupply(value);
}
/// @dev 被盗token处理
function decreaseSupply (uint256 _value) isOwner external {
uint256 value = formatDecimals(_value);
if (value + tokenRaised > currentSupply) throw;
currentSupply = safeSubtract(currentSupply, value);
DecreaseSupply(value);
}
/// 启动区块检测 异常的处理
function startFunding (uint256 _fundingStartBlock, uint256 _fundingStopBlock) isOwner external {
if (isFunding) throw;
if (_fundingStartBlock >= _fundingStopBlock) throw;
if (block.number >= _fundingStartBlock) throw;
fundingStartBlock = _fundingStartBlock;
fundingStopBlock = _fundingStopBlock;
isFunding = true;
}
/// 关闭区块异常处理
function stopFunding() isOwner external {
if (!isFunding) throw;
isFunding = false;
}
/// 开发了一个新的合同来接收token（或者更新token）
function setMigrateContract(address _newContractAddr) isOwner external {
if (_newContractAddr == newContractAddr) throw;
newContractAddr = _newContractAddr;
}
/// 设置新的所有者地址
function changeOwner(address _newFundDeposit) isOwner() external {
if (_newFundDeposit == address(0x0)) throw;
ethFundDeposit = _newFundDeposit;
}
///转移token到新的合约
function migrate() external {
if(isFunding) throw;
if(newContractAddr == address(0x0)) throw;
uint256 tokens = balances[msg.sender];
if (tokens == 0) throw;
balances[msg.sender] = 0;
tokenMigrated = safeAdd(tokenMigrated, tokens);
IMigrationContract newContract = IMigrationContract(newContractAddr);
if (!newContract.migrate(msg.sender, tokens)) throw;
Migrate(msg.sender, tokens); // log it
}
/// 转账ETH 到GENE团队
function transferETH() isOwner external {
if (this.balance == 0) throw;
if (!ethFundDeposit.send(this.balance)) throw;
}
/// 将GENE token分配到预处理地址。
function allocateToken (address _addr, uint256 _eth) isOwner external {
if (_eth == 0) throw;
if (_addr == address(0x0)) throw;
uint256 tokens = safeMult(formatDecimals(_eth), tokenExchangeRate);
if (tokens + tokenRaised > currentSupply) throw;
tokenRaised = safeAdd(tokenRaised, tokens);
balances[_addr] += tokens;
AllocateToken(_addr, tokens); // 记录token日志
}
/// 购买token
function () payable {
if (!isFunding) throw;
if (msg.value == 0) throw;
if (block.number < fundingStartBlock) throw;
if (block.number > fundingStopBlock) throw;
uint256 tokens = safeMult(msg.value, tokenExchangeRate);
if (tokens + tokenRaised > currentSupply) throw;
tokenRaised = safeAdd(tokenRaised, tokens);
balances[msg.sender] += tokens;
IssueToken(msg.sender, tokens); //记录日志
}
} | migrate | function migrate() external {
if(isFunding) throw;
if(newContractAddr == address(0x0)) throw;
uint256 tokens = balances[msg.sender];
if (tokens == 0) throw;
balances[msg.sender] = 0;
tokenMigrated = safeAdd(tokenMigrated, tokens);
IMigrationContract newContract = IMigrationContract(newContractAddr);
if (!newContract.migrate(msg.sender, tokens)) throw;
Migrate(msg.sender, tokens); // log it
}
| ///转移token到新的合约 | NatSpecSingleLine | v0.4.21+commit.dfe3193c | None | bzzr://4a571c11eb8bd6ba87335de5fc47943ed94ef9e2a4fa15d54f86ee351bd31848 | {
"func_code_index": [
3714,
4225
]
} | 4,632 |
||
GENEToken | GENEToken.sol | 0xbb7c85dee0074a00bd0c13c85abe2ecbc7779914 | Solidity | GENEToken | contract GENEToken is StandardToken, SafeMath {
// metadata
string public constant name = "GENE";
string public constant symbol = "GE";
uint256 public constant decimals = 18;
string public version = "1.0";
// contracts
address public ethFundDeposit; // ETH存放地址
address public newContractAddr; // token更新地址
// crowdsale parameters
bool public isFunding; // 状态切换到true
uint256 public fundingStartBlock;
uint256 public fundingStopBlock;
uint256 public currentSupply; // 正在售卖中的tokens数量
uint256 public tokenRaised = 0; // 总的售卖数量token
uint256 public tokenMigrated = 0; // 总的已经交易的 token
uint256 public tokenExchangeRate = 1; // 0.0001 GE 兑换 1 ETH
// events
event AllocateToken(address indexed _to, uint256 _value); // 分配的私有交易token;
event IssueToken(address indexed _to, uint256 _value); // 公开发行售卖的token;
event IncreaseSupply(uint256 _value);
event DecreaseSupply(uint256 _value);
event Migrate(address indexed _to, uint256 _value);
// 转换
function formatDecimals(uint256 _value) internal returns (uint256 ) {
return _value * 10 ** decimals;
}
// constructor
function GENEToken(
address _ethFundDeposit,
uint256 _currentSupply)
{
ethFundDeposit = _ethFundDeposit;
isFunding = false; //通过控制预CrowdS ale状态
fundingStartBlock = 0;
fundingStopBlock = 0;
currentSupply = formatDecimals(_currentSupply);
totalSupply = formatDecimals(1000000000);
balances[msg.sender] = totalSupply;
if(currentSupply > totalSupply) throw;
}
modifier isOwner() { require(msg.sender == ethFundDeposit); _; }
/// 设置token汇率
function setTokenExchangeRate(uint256 _tokenExchangeRate) isOwner external {
if (_tokenExchangeRate == 0) throw;
if (_tokenExchangeRate == tokenExchangeRate) throw;
tokenExchangeRate = _tokenExchangeRate;
}
/// @dev 超发token处理
function increaseSupply (uint256 _value) isOwner external {
uint256 value = formatDecimals(_value);
if (value + currentSupply > totalSupply) throw;
currentSupply = safeAdd(currentSupply, value);
IncreaseSupply(value);
}
/// @dev 被盗token处理
function decreaseSupply (uint256 _value) isOwner external {
uint256 value = formatDecimals(_value);
if (value + tokenRaised > currentSupply) throw;
currentSupply = safeSubtract(currentSupply, value);
DecreaseSupply(value);
}
/// 启动区块检测 异常的处理
function startFunding (uint256 _fundingStartBlock, uint256 _fundingStopBlock) isOwner external {
if (isFunding) throw;
if (_fundingStartBlock >= _fundingStopBlock) throw;
if (block.number >= _fundingStartBlock) throw;
fundingStartBlock = _fundingStartBlock;
fundingStopBlock = _fundingStopBlock;
isFunding = true;
}
/// 关闭区块异常处理
function stopFunding() isOwner external {
if (!isFunding) throw;
isFunding = false;
}
/// 开发了一个新的合同来接收token（或者更新token）
function setMigrateContract(address _newContractAddr) isOwner external {
if (_newContractAddr == newContractAddr) throw;
newContractAddr = _newContractAddr;
}
/// 设置新的所有者地址
function changeOwner(address _newFundDeposit) isOwner() external {
if (_newFundDeposit == address(0x0)) throw;
ethFundDeposit = _newFundDeposit;
}
///转移token到新的合约
function migrate() external {
if(isFunding) throw;
if(newContractAddr == address(0x0)) throw;
uint256 tokens = balances[msg.sender];
if (tokens == 0) throw;
balances[msg.sender] = 0;
tokenMigrated = safeAdd(tokenMigrated, tokens);
IMigrationContract newContract = IMigrationContract(newContractAddr);
if (!newContract.migrate(msg.sender, tokens)) throw;
Migrate(msg.sender, tokens); // log it
}
/// 转账ETH 到GENE团队
function transferETH() isOwner external {
if (this.balance == 0) throw;
if (!ethFundDeposit.send(this.balance)) throw;
}
/// 将GENE token分配到预处理地址。
function allocateToken (address _addr, uint256 _eth) isOwner external {
if (_eth == 0) throw;
if (_addr == address(0x0)) throw;
uint256 tokens = safeMult(formatDecimals(_eth), tokenExchangeRate);
if (tokens + tokenRaised > currentSupply) throw;
tokenRaised = safeAdd(tokenRaised, tokens);
balances[_addr] += tokens;
AllocateToken(_addr, tokens); // 记录token日志
}
/// 购买token
function () payable {
if (!isFunding) throw;
if (msg.value == 0) throw;
if (block.number < fundingStartBlock) throw;
if (block.number > fundingStopBlock) throw;
uint256 tokens = safeMult(msg.value, tokenExchangeRate);
if (tokens + tokenRaised > currentSupply) throw;
tokenRaised = safeAdd(tokenRaised, tokens);
balances[msg.sender] += tokens;
IssueToken(msg.sender, tokens); //记录日志
}
} | transferETH | function transferETH() isOwner external {
if (this.balance == 0) throw;
if (!ethFundDeposit.send(this.balance)) throw;
}
| /// 转账ETH 到GENE团队 | NatSpecSingleLine | v0.4.21+commit.dfe3193c | None | bzzr://4a571c11eb8bd6ba87335de5fc47943ed94ef9e2a4fa15d54f86ee351bd31848 | {
"func_code_index": [
4252,
4400
]
} | 4,633 |
||
GENEToken | GENEToken.sol | 0xbb7c85dee0074a00bd0c13c85abe2ecbc7779914 | Solidity | GENEToken | contract GENEToken is StandardToken, SafeMath {
// metadata
string public constant name = "GENE";
string public constant symbol = "GE";
uint256 public constant decimals = 18;
string public version = "1.0";
// contracts
address public ethFundDeposit; // ETH存放地址
address public newContractAddr; // token更新地址
// crowdsale parameters
bool public isFunding; // 状态切换到true
uint256 public fundingStartBlock;
uint256 public fundingStopBlock;
uint256 public currentSupply; // 正在售卖中的tokens数量
uint256 public tokenRaised = 0; // 总的售卖数量token
uint256 public tokenMigrated = 0; // 总的已经交易的 token
uint256 public tokenExchangeRate = 1; // 0.0001 GE 兑换 1 ETH
// events
event AllocateToken(address indexed _to, uint256 _value); // 分配的私有交易token;
event IssueToken(address indexed _to, uint256 _value); // 公开发行售卖的token;
event IncreaseSupply(uint256 _value);
event DecreaseSupply(uint256 _value);
event Migrate(address indexed _to, uint256 _value);
// 转换
function formatDecimals(uint256 _value) internal returns (uint256 ) {
return _value * 10 ** decimals;
}
// constructor
function GENEToken(
address _ethFundDeposit,
uint256 _currentSupply)
{
ethFundDeposit = _ethFundDeposit;
isFunding = false; //通过控制预CrowdS ale状态
fundingStartBlock = 0;
fundingStopBlock = 0;
currentSupply = formatDecimals(_currentSupply);
totalSupply = formatDecimals(1000000000);
balances[msg.sender] = totalSupply;
if(currentSupply > totalSupply) throw;
}
modifier isOwner() { require(msg.sender == ethFundDeposit); _; }
/// 设置token汇率
function setTokenExchangeRate(uint256 _tokenExchangeRate) isOwner external {
if (_tokenExchangeRate == 0) throw;
if (_tokenExchangeRate == tokenExchangeRate) throw;
tokenExchangeRate = _tokenExchangeRate;
}
/// @dev 超发token处理
function increaseSupply (uint256 _value) isOwner external {
uint256 value = formatDecimals(_value);
if (value + currentSupply > totalSupply) throw;
currentSupply = safeAdd(currentSupply, value);
IncreaseSupply(value);
}
/// @dev 被盗token处理
function decreaseSupply (uint256 _value) isOwner external {
uint256 value = formatDecimals(_value);
if (value + tokenRaised > currentSupply) throw;
currentSupply = safeSubtract(currentSupply, value);
DecreaseSupply(value);
}
/// 启动区块检测 异常的处理
function startFunding (uint256 _fundingStartBlock, uint256 _fundingStopBlock) isOwner external {
if (isFunding) throw;
if (_fundingStartBlock >= _fundingStopBlock) throw;
if (block.number >= _fundingStartBlock) throw;
fundingStartBlock = _fundingStartBlock;
fundingStopBlock = _fundingStopBlock;
isFunding = true;
}
/// 关闭区块异常处理
function stopFunding() isOwner external {
if (!isFunding) throw;
isFunding = false;
}
/// 开发了一个新的合同来接收token（或者更新token）
function setMigrateContract(address _newContractAddr) isOwner external {
if (_newContractAddr == newContractAddr) throw;
newContractAddr = _newContractAddr;
}
/// 设置新的所有者地址
function changeOwner(address _newFundDeposit) isOwner() external {
if (_newFundDeposit == address(0x0)) throw;
ethFundDeposit = _newFundDeposit;
}
///转移token到新的合约
function migrate() external {
if(isFunding) throw;
if(newContractAddr == address(0x0)) throw;
uint256 tokens = balances[msg.sender];
if (tokens == 0) throw;
balances[msg.sender] = 0;
tokenMigrated = safeAdd(tokenMigrated, tokens);
IMigrationContract newContract = IMigrationContract(newContractAddr);
if (!newContract.migrate(msg.sender, tokens)) throw;
Migrate(msg.sender, tokens); // log it
}
/// 转账ETH 到GENE团队
function transferETH() isOwner external {
if (this.balance == 0) throw;
if (!ethFundDeposit.send(this.balance)) throw;
}
/// 将GENE token分配到预处理地址。
function allocateToken (address _addr, uint256 _eth) isOwner external {
if (_eth == 0) throw;
if (_addr == address(0x0)) throw;
uint256 tokens = safeMult(formatDecimals(_eth), tokenExchangeRate);
if (tokens + tokenRaised > currentSupply) throw;
tokenRaised = safeAdd(tokenRaised, tokens);
balances[_addr] += tokens;
AllocateToken(_addr, tokens); // 记录token日志
}
/// 购买token
function () payable {
if (!isFunding) throw;
if (msg.value == 0) throw;
if (block.number < fundingStartBlock) throw;
if (block.number > fundingStopBlock) throw;
uint256 tokens = safeMult(msg.value, tokenExchangeRate);
if (tokens + tokenRaised > currentSupply) throw;
tokenRaised = safeAdd(tokenRaised, tokens);
balances[msg.sender] += tokens;
IssueToken(msg.sender, tokens); //记录日志
}
} | allocateToken | function allocateToken (address _addr, uint256 _eth) isOwner external {
if (_eth == 0) throw;
if (_addr == address(0x0)) throw;
uint256 tokens = safeMult(formatDecimals(_eth), tokenExchangeRate);
if (tokens + tokenRaised > currentSupply) throw;
tokenRaised = safeAdd(tokenRaised, tokens);
balances[_addr] += tokens;
AllocateToken(_addr, tokens); // 记录token日志
}
| /// 将GENE token分配到预处理地址。 | NatSpecSingleLine | v0.4.21+commit.dfe3193c | None | bzzr://4a571c11eb8bd6ba87335de5fc47943ed94ef9e2a4fa15d54f86ee351bd31848 | {
"func_code_index": [
4435,
4878
]
} | 4,634 |
||
GENEToken | GENEToken.sol | 0xbb7c85dee0074a00bd0c13c85abe2ecbc7779914 | Solidity | GENEToken | contract GENEToken is StandardToken, SafeMath {
// metadata
string public constant name = "GENE";
string public constant symbol = "GE";
uint256 public constant decimals = 18;
string public version = "1.0";
// contracts
address public ethFundDeposit; // ETH存放地址
address public newContractAddr; // token更新地址
// crowdsale parameters
bool public isFunding; // 状态切换到true
uint256 public fundingStartBlock;
uint256 public fundingStopBlock;
uint256 public currentSupply; // 正在售卖中的tokens数量
uint256 public tokenRaised = 0; // 总的售卖数量token
uint256 public tokenMigrated = 0; // 总的已经交易的 token
uint256 public tokenExchangeRate = 1; // 0.0001 GE 兑换 1 ETH
// events
event AllocateToken(address indexed _to, uint256 _value); // 分配的私有交易token;
event IssueToken(address indexed _to, uint256 _value); // 公开发行售卖的token;
event IncreaseSupply(uint256 _value);
event DecreaseSupply(uint256 _value);
event Migrate(address indexed _to, uint256 _value);
// 转换
function formatDecimals(uint256 _value) internal returns (uint256 ) {
return _value * 10 ** decimals;
}
// constructor
function GENEToken(
address _ethFundDeposit,
uint256 _currentSupply)
{
ethFundDeposit = _ethFundDeposit;
isFunding = false; //通过控制预CrowdS ale状态
fundingStartBlock = 0;
fundingStopBlock = 0;
currentSupply = formatDecimals(_currentSupply);
totalSupply = formatDecimals(1000000000);
balances[msg.sender] = totalSupply;
if(currentSupply > totalSupply) throw;
}
modifier isOwner() { require(msg.sender == ethFundDeposit); _; }
/// 设置token汇率
function setTokenExchangeRate(uint256 _tokenExchangeRate) isOwner external {
if (_tokenExchangeRate == 0) throw;
if (_tokenExchangeRate == tokenExchangeRate) throw;
tokenExchangeRate = _tokenExchangeRate;
}
/// @dev 超发token处理
function increaseSupply (uint256 _value) isOwner external {
uint256 value = formatDecimals(_value);
if (value + currentSupply > totalSupply) throw;
currentSupply = safeAdd(currentSupply, value);
IncreaseSupply(value);
}
/// @dev 被盗token处理
function decreaseSupply (uint256 _value) isOwner external {
uint256 value = formatDecimals(_value);
if (value + tokenRaised > currentSupply) throw;
currentSupply = safeSubtract(currentSupply, value);
DecreaseSupply(value);
}
/// 启动区块检测 异常的处理
function startFunding (uint256 _fundingStartBlock, uint256 _fundingStopBlock) isOwner external {
if (isFunding) throw;
if (_fundingStartBlock >= _fundingStopBlock) throw;
if (block.number >= _fundingStartBlock) throw;
fundingStartBlock = _fundingStartBlock;
fundingStopBlock = _fundingStopBlock;
isFunding = true;
}
/// 关闭区块异常处理
function stopFunding() isOwner external {
if (!isFunding) throw;
isFunding = false;
}
/// 开发了一个新的合同来接收token（或者更新token）
function setMigrateContract(address _newContractAddr) isOwner external {
if (_newContractAddr == newContractAddr) throw;
newContractAddr = _newContractAddr;
}
/// 设置新的所有者地址
function changeOwner(address _newFundDeposit) isOwner() external {
if (_newFundDeposit == address(0x0)) throw;
ethFundDeposit = _newFundDeposit;
}
///转移token到新的合约
function migrate() external {
if(isFunding) throw;
if(newContractAddr == address(0x0)) throw;
uint256 tokens = balances[msg.sender];
if (tokens == 0) throw;
balances[msg.sender] = 0;
tokenMigrated = safeAdd(tokenMigrated, tokens);
IMigrationContract newContract = IMigrationContract(newContractAddr);
if (!newContract.migrate(msg.sender, tokens)) throw;
Migrate(msg.sender, tokens); // log it
}
/// 转账ETH 到GENE团队
function transferETH() isOwner external {
if (this.balance == 0) throw;
if (!ethFundDeposit.send(this.balance)) throw;
}
/// 将GENE token分配到预处理地址。
function allocateToken (address _addr, uint256 _eth) isOwner external {
if (_eth == 0) throw;
if (_addr == address(0x0)) throw;
uint256 tokens = safeMult(formatDecimals(_eth), tokenExchangeRate);
if (tokens + tokenRaised > currentSupply) throw;
tokenRaised = safeAdd(tokenRaised, tokens);
balances[_addr] += tokens;
AllocateToken(_addr, tokens); // 记录token日志
}
/// 购买token
function () payable {
if (!isFunding) throw;
if (msg.value == 0) throw;
if (block.number < fundingStartBlock) throw;
if (block.number > fundingStopBlock) throw;
uint256 tokens = safeMult(msg.value, tokenExchangeRate);
if (tokens + tokenRaised > currentSupply) throw;
tokenRaised = safeAdd(tokenRaised, tokens);
balances[msg.sender] += tokens;
IssueToken(msg.sender, tokens); //记录日志
}
} | function () payable {
if (!isFunding) throw;
if (msg.value == 0) throw;
if (block.number < fundingStartBlock) throw;
if (block.number > fundingStopBlock) throw;
uint256 tokens = safeMult(msg.value, tokenExchangeRate);
if (tokens + tokenRaised > currentSupply) throw;
tokenRaised = safeAdd(tokenRaised, tokens);
balances[msg.sender] += tokens;
IssueToken(msg.sender, tokens); //记录日志
}
| /// 购买token | NatSpecSingleLine | v0.4.21+commit.dfe3193c | None | bzzr://4a571c11eb8bd6ba87335de5fc47943ed94ef9e2a4fa15d54f86ee351bd31848 | {
"func_code_index": [
4899,
5386
]
} | 4,635 |
|||
DPPCrowdsale | DPPCrowdsale.sol | 0x6f0d792b540afa2c8772b9ba4805e7436ad8413e | Solidity | Crowdsale | contract Crowdsale is ReentrnacyHandlingContract, Owned{
struct ContributorData{
uint priorityPassAllowance;
bool isActive;
uint contributionAmount;
uint tokensIssued;
}
mapping(address => ContributorData) public contributorList;
uint nextContributorIndex;
mapping(uint => address) contributorIndexes;
state public crowdsaleState = state.pendingStart;
enum state { pendingStart, priorityPass, openedPriorityPass, crowdsale, crowdsaleEnded }
uint public presaleStartBlock;
uint public presaleUnlimitedStartBlock;
uint public crowdsaleStartBlock;
uint public crowdsaleEndedBlock;
event PresaleStarted(uint blockNumber);
event PresaleUnlimitedStarted(uint blockNumber);
event CrowdsaleStarted(uint blockNumber);
event CrowdsaleEnded(uint blockNumber);
event ErrorSendingETH(address to, uint amount);
event MinCapReached(uint blockNumber);
event MaxCapReached(uint blockNumber);
IToken token = IToken(0x0);
uint ethToTokenConversion;
uint public minCap;
uint public maxP1Cap;
uint public maxCap;
uint public ethRaised;
address public multisigAddress;
uint nextContributorToClaim;
mapping(address => bool) hasClaimedEthWhenFail;
uint maxTokenSupply;
bool ownerHasClaimedTokens;
uint cofounditReward;
address cofounditAddress;
address cofounditColdStorage;
bool cofounditHasClaimedTokens;
//
// Unnamed function that runs when eth is sent to the contract
//
function() noReentrancy payable{
require(msg.value != 0); // Throw if value is 0
require(crowdsaleState != state.crowdsaleEnded);// Check if crowdsale has ended
bool stateChanged = checkCrowdsaleState(); // Check blocks and calibrate crowdsale state
if (crowdsaleState == state.priorityPass){
if (contributorList[msg.sender].isActive){ // Check if contributor is in priorityPass
processTransaction(msg.sender, msg.value); // Process transaction and issue tokens
}else{
refundTransaction(stateChanged); // Set state and return funds or throw
}
}
else if(crowdsaleState == state.openedPriorityPass){
if (contributorList[msg.sender].isActive){ // Check if contributor is in priorityPass
processTransaction(msg.sender, msg.value); // Process transaction and issue tokens
}else{
refundTransaction(stateChanged); // Set state and return funds or throw
}
}
else if(crowdsaleState == state.crowdsale){
processTransaction(msg.sender, msg.value); // Process transaction and issue tokens
}
else{
refundTransaction(stateChanged); // Set state and return funds or throw
}
}
//
// Check crowdsale state and calibrate it
//
function checkCrowdsaleState() internal returns (bool){
if (ethRaised == maxCap && crowdsaleState != state.crowdsaleEnded){ // Check if max cap is reached
crowdsaleState = state.crowdsaleEnded;
MaxCapReached(block.number); // Close the crowdsale
CrowdsaleEnded(block.number); // Raise event
return true;
}
if (block.number > presaleStartBlock && block.number <= presaleUnlimitedStartBlock){ // Check if we are in presale phase
if (crowdsaleState != state.priorityPass){ // Check if state needs to be changed
crowdsaleState = state.priorityPass; // Set new state
PresaleStarted(block.number); // Raise event
return true;
}
}else if(block.number > presaleUnlimitedStartBlock && block.number <= crowdsaleStartBlock){ // Check if we are in presale unlimited phase
if (crowdsaleState != state.openedPriorityPass){ // Check if state needs to be changed
crowdsaleState = state.openedPriorityPass; // Set new state
PresaleUnlimitedStarted(block.number); // Raise event
return true;
}
}else if(block.number > crowdsaleStartBlock && block.number <= crowdsaleEndedBlock){ // Check if we are in crowdsale state
if (crowdsaleState != state.crowdsale){ // Check if state needs to be changed
crowdsaleState = state.crowdsale; // Set new state
CrowdsaleStarted(block.number); // Raise event
return true;
}
}else{
if (crowdsaleState != state.crowdsaleEnded && block.number > crowdsaleEndedBlock){ // Check if crowdsale is over
crowdsaleState = state.crowdsaleEnded; // Set new state
CrowdsaleEnded(block.number); // Raise event
return true;
}
}
return false;
}
//
// Decide if throw or only return ether
//
function refundTransaction(bool _stateChanged) internal{
if (_stateChanged){
msg.sender.transfer(msg.value);
}else{
revert();
}
}
//
// Calculate how much user can contribute
//
function calculateMaxContribution(address _contributor) constant returns (uint maxContribution){
uint maxContrib;
if (crowdsaleState == state.priorityPass){ // Check if we are in priority pass
maxContrib = contributorList[_contributor].priorityPassAllowance - contributorList[_contributor].contributionAmount;
if (maxContrib > (maxP1Cap - ethRaised)){ // Check if max contribution is more that max cap
maxContrib = maxP1Cap - ethRaised; // Alter max cap
}
}
else{
maxContrib = maxCap - ethRaised; // Alter max cap
}
return maxContrib;
}
//
// Issue tokens and return if there is overflow
//
function processTransaction(address _contributor, uint _amount) internal{
uint maxContribution = calculateMaxContribution(_contributor); // Calculate max users contribution
uint contributionAmount = _amount;
uint returnAmount = 0;
if (maxContribution < _amount){ // Check if max contribution is lower than _amount sent
contributionAmount = maxContribution; // Set that user contibutes his maximum alowed contribution
returnAmount = _amount - maxContribution; // Calculate howmuch he must get back
}
if (ethRaised + contributionAmount > minCap && minCap > ethRaised) MinCapReached(block.number);
if (contributorList[_contributor].isActive == false){ // Check if contributor has already contributed
contributorList[_contributor].isActive = true; // Set his activity to true
contributorList[_contributor].contributionAmount = contributionAmount; // Set his contribution
contributorIndexes[nextContributorIndex] = _contributor; // Set contributors index
nextContributorIndex++;
}
else{
contributorList[_contributor].contributionAmount += contributionAmount; // Add contribution amount to existing contributor
}
ethRaised += contributionAmount; // Add to eth raised
uint tokenAmount = contributionAmount * ethToTokenConversion; // Calculate how much tokens must contributor get
if (tokenAmount > 0){
token.mintTokens(_contributor, tokenAmount); // Issue new tokens
contributorList[_contributor].tokensIssued += tokenAmount; // log token issuance
}
if (returnAmount != 0) _contributor.transfer(returnAmount); // Return overflow of ether
}
//
// Push contributor data to the contract before the crowdsale so that they are eligible for priorit pass
//
function editContributors(address[] _contributorAddresses, uint[] _contributorPPAllowances) onlyOwner{
require(_contributorAddresses.length == _contributorPPAllowances.length); // Check if input data is correct
for(uint cnt = 0; cnt < _contributorAddresses.length; cnt++){
if (contributorList[_contributorAddresses[cnt]].isActive){
contributorList[_contributorAddresses[cnt]].priorityPassAllowance = _contributorPPAllowances[cnt];
}
else{
contributorList[_contributorAddresses[cnt]].isActive = true;
contributorList[_contributorAddresses[cnt]].priorityPassAllowance = _contributorPPAllowances[cnt];
contributorIndexes[nextContributorIndex] = _contributorAddresses[cnt];
nextContributorIndex++;
}
}
}
//
// Method is needed for recovering tokens accedentaly sent to token address
//
function salvageTokensFromContract(address _tokenAddress, address _to, uint _amount) onlyOwner{
IERC20Token(_tokenAddress).transfer(_to, _amount);
}
//
// withdrawEth when minimum cap is reached
//
function withdrawEth() onlyOwner{
require(this.balance != 0);
require(ethRaised >= minCap);
pendingEthWithdrawal = this.balance;
}
uint pendingEthWithdrawal;
function pullBalance(){
require(msg.sender == multisigAddress);
require(pendingEthWithdrawal > 0);
multisigAddress.transfer(pendingEthWithdrawal);
pendingEthWithdrawal = 0;
}
//
// Users can claim their contribution if min cap is not raised
//
function claimEthIfFailed(){
require(block.number > crowdsaleEndedBlock && ethRaised < minCap); // Check if crowdsale has failed
require(contributorList[msg.sender].contributionAmount > 0); // Check if contributor has contributed to crowdsaleEndedBlock
require(!hasClaimedEthWhenFail[msg.sender]); // Check if contributor has already claimed his eth
uint ethContributed = contributorList[msg.sender].contributionAmount; // Get contributors contribution
hasClaimedEthWhenFail[msg.sender] = true; // Set that he has claimed
if (!msg.sender.send(ethContributed)){ // Refund eth
ErrorSendingETH(msg.sender, ethContributed); // If there is an issue raise event for manual recovery
}
}
//
// Owner can batch return contributors contributions(eth)
//
function batchReturnEthIfFailed(uint _numberOfReturns) onlyOwner{
require(block.number > crowdsaleEndedBlock && ethRaised < minCap); // Check if crowdsale has failed
address currentParticipantAddress;
uint contribution;
for (uint cnt = 0; cnt < _numberOfReturns; cnt++){
currentParticipantAddress = contributorIndexes[nextContributorToClaim]; // Get next unclaimed participant
if (currentParticipantAddress == 0x0) return; // Check if all the participants were compensated
if (!hasClaimedEthWhenFail[currentParticipantAddress]) { // Check if participant has already claimed
contribution = contributorList[currentParticipantAddress].contributionAmount; // Get contribution of participant
hasClaimedEthWhenFail[currentParticipantAddress] = true; // Set that he has claimed
if (!currentParticipantAddress.send(contribution)){ // Refund eth
ErrorSendingETH(currentParticipantAddress, contribution); // If there is an issue raise event for manual recovery
}
}
nextContributorToClaim += 1; // Repeat
}
}
//
// If there were any issue/attach with refund owner can withraw eth at the end for manual recovery
//
function withdrawRemainingBalanceForManualRecovery() onlyOwner{
require(this.balance != 0); // Check if there are any eth to claim
require(block.number > crowdsaleEndedBlock); // Check if crowdsale is over
require(contributorIndexes[nextContributorToClaim] == 0x0); // Check if all the users were refunded
multisigAddress.transfer(this.balance); // Withdraw to multisig
}
//
// Owner can set multisig address for crowdsale
//
function setMultisigAddress(address _newAddress) onlyOwner{
multisigAddress = _newAddress;
}
//
// Owner can set token address where mints will happen
//
function setToken(address _newAddress) onlyOwner{
token = IToken(_newAddress);
}
//
// Owner can claim teams tokens when crowdsale has successfully ended
//
function claimCoreTeamsTokens(address _to) onlyOwner{
require(crowdsaleState == state.crowdsaleEnded); // Check if crowdsale has ended
require(!ownerHasClaimedTokens); // Check if owner has allready claimed tokens
uint devReward = maxTokenSupply - token.totalSupply();
if (!cofounditHasClaimedTokens) devReward -= cofounditReward; // If cofoundit has claimed tokens its ok if not set aside cofounditReward
token.mintTokens(_to, devReward); // Issue Teams tokens
ownerHasClaimedTokens = true; // Block further mints from this method
}
//
// Cofoundit can claim their tokens
//
function claimCofounditTokens(){
require(msg.sender == cofounditAddress); // Check if sender is cofoundit
require(crowdsaleState == state.crowdsaleEnded); // Check if crowdsale has ended
require(!cofounditHasClaimedTokens); // Check if cofoundit has allready claimed tokens
token.mintTokens(cofounditColdStorage, cofounditReward); // Issue cofoundit tokens
cofounditHasClaimedTokens = true; // Block further mints from this method
}
function getTokenAddress() constant returns(address){
return address(token);
}
//
// Before crowdsale starts owner can calibrate blocks of crowdsale stages
//
function setCrowdsaleBlocks(uint _presaleStartBlock, uint _presaleUnlimitedStartBlock, uint _crowdsaleStartBlock, uint _crowdsaleEndedBlock) onlyOwner{
require(crowdsaleState == state.pendingStart); // Check if crowdsale has started
require(_presaleStartBlock != 0); // Check if any value is 0
require(_presaleStartBlock < _presaleUnlimitedStartBlock); // Check if presaleUnlimitedStartBlock is set properly
require(_presaleUnlimitedStartBlock != 0); // Check if any value is 0
require(_presaleUnlimitedStartBlock < _crowdsaleStartBlock); // Check if crowdsaleStartBlock is set properly
require(_crowdsaleStartBlock != 0); // Check if any value is 0
require(_crowdsaleStartBlock < _crowdsaleEndedBlock); // Check if crowdsaleEndedBlock is set properly
require(_crowdsaleEndedBlock != 0); // Check if any value is 0
presaleStartBlock = _presaleStartBlock;
presaleUnlimitedStartBlock = _presaleUnlimitedStartBlock;
crowdsaleStartBlock = _crowdsaleStartBlock;
crowdsaleEndedBlock = _crowdsaleEndedBlock;
}
} | function() noReentrancy payable{
require(msg.value != 0); // Throw if value is 0
require(crowdsaleState != state.crowdsaleEnded);// Check if crowdsale has ended
bool stateChanged = checkCrowdsaleState(); // Check blocks and calibrate crowdsale state
if (crowdsaleState == state.priorityPass){
if (contributorList[msg.sender].isActive){ // Check if contributor is in priorityPass
processTransaction(msg.sender, msg.value); // Process transaction and issue tokens
}else{
refundTransaction(stateChanged); // Set state and return funds or throw
}
}
else if(crowdsaleState == state.openedPriorityPass){
if (contributorList[msg.sender].isActive){ // Check if contributor is in priorityPass
processTransaction(msg.sender, msg.value); // Process transaction and issue tokens
}else{
refundTransaction(stateChanged); // Set state and return funds or throw
}
}
else if(crowdsaleState == state.crowdsale){
processTransaction(msg.sender, msg.value); // Process transaction and issue tokens
}
else{
refundTransaction(stateChanged); // Set state and return funds or throw
}
}
| //
// Unnamed function that runs when eth is sent to the contract
// | LineComment | v0.4.16+commit.d7661dd9 | bzzr://ff2415ea20052542e44eecc0b9e20c01f2afed4b77fb89f3252b0fa9c88ab9ec | {
"func_code_index": [
1503,
2794
]
} | 4,636 |
||||
DPPCrowdsale | DPPCrowdsale.sol | 0x6f0d792b540afa2c8772b9ba4805e7436ad8413e | Solidity | Crowdsale | contract Crowdsale is ReentrnacyHandlingContract, Owned{
struct ContributorData{
uint priorityPassAllowance;
bool isActive;
uint contributionAmount;
uint tokensIssued;
}
mapping(address => ContributorData) public contributorList;
uint nextContributorIndex;
mapping(uint => address) contributorIndexes;
state public crowdsaleState = state.pendingStart;
enum state { pendingStart, priorityPass, openedPriorityPass, crowdsale, crowdsaleEnded }
uint public presaleStartBlock;
uint public presaleUnlimitedStartBlock;
uint public crowdsaleStartBlock;
uint public crowdsaleEndedBlock;
event PresaleStarted(uint blockNumber);
event PresaleUnlimitedStarted(uint blockNumber);
event CrowdsaleStarted(uint blockNumber);
event CrowdsaleEnded(uint blockNumber);
event ErrorSendingETH(address to, uint amount);
event MinCapReached(uint blockNumber);
event MaxCapReached(uint blockNumber);
IToken token = IToken(0x0);
uint ethToTokenConversion;
uint public minCap;
uint public maxP1Cap;
uint public maxCap;
uint public ethRaised;
address public multisigAddress;
uint nextContributorToClaim;
mapping(address => bool) hasClaimedEthWhenFail;
uint maxTokenSupply;
bool ownerHasClaimedTokens;
uint cofounditReward;
address cofounditAddress;
address cofounditColdStorage;
bool cofounditHasClaimedTokens;
//
// Unnamed function that runs when eth is sent to the contract
//
function() noReentrancy payable{
require(msg.value != 0); // Throw if value is 0
require(crowdsaleState != state.crowdsaleEnded);// Check if crowdsale has ended
bool stateChanged = checkCrowdsaleState(); // Check blocks and calibrate crowdsale state
if (crowdsaleState == state.priorityPass){
if (contributorList[msg.sender].isActive){ // Check if contributor is in priorityPass
processTransaction(msg.sender, msg.value); // Process transaction and issue tokens
}else{
refundTransaction(stateChanged); // Set state and return funds or throw
}
}
else if(crowdsaleState == state.openedPriorityPass){
if (contributorList[msg.sender].isActive){ // Check if contributor is in priorityPass
processTransaction(msg.sender, msg.value); // Process transaction and issue tokens
}else{
refundTransaction(stateChanged); // Set state and return funds or throw
}
}
else if(crowdsaleState == state.crowdsale){
processTransaction(msg.sender, msg.value); // Process transaction and issue tokens
}
else{
refundTransaction(stateChanged); // Set state and return funds or throw
}
}
//
// Check crowdsale state and calibrate it
//
function checkCrowdsaleState() internal returns (bool){
if (ethRaised == maxCap && crowdsaleState != state.crowdsaleEnded){ // Check if max cap is reached
crowdsaleState = state.crowdsaleEnded;
MaxCapReached(block.number); // Close the crowdsale
CrowdsaleEnded(block.number); // Raise event
return true;
}
if (block.number > presaleStartBlock && block.number <= presaleUnlimitedStartBlock){ // Check if we are in presale phase
if (crowdsaleState != state.priorityPass){ // Check if state needs to be changed
crowdsaleState = state.priorityPass; // Set new state
PresaleStarted(block.number); // Raise event
return true;
}
}else if(block.number > presaleUnlimitedStartBlock && block.number <= crowdsaleStartBlock){ // Check if we are in presale unlimited phase
if (crowdsaleState != state.openedPriorityPass){ // Check if state needs to be changed
crowdsaleState = state.openedPriorityPass; // Set new state
PresaleUnlimitedStarted(block.number); // Raise event
return true;
}
}else if(block.number > crowdsaleStartBlock && block.number <= crowdsaleEndedBlock){ // Check if we are in crowdsale state
if (crowdsaleState != state.crowdsale){ // Check if state needs to be changed
crowdsaleState = state.crowdsale; // Set new state
CrowdsaleStarted(block.number); // Raise event
return true;
}
}else{
if (crowdsaleState != state.crowdsaleEnded && block.number > crowdsaleEndedBlock){ // Check if crowdsale is over
crowdsaleState = state.crowdsaleEnded; // Set new state
CrowdsaleEnded(block.number); // Raise event
return true;
}
}
return false;
}
//
// Decide if throw or only return ether
//
function refundTransaction(bool _stateChanged) internal{
if (_stateChanged){
msg.sender.transfer(msg.value);
}else{
revert();
}
}
//
// Calculate how much user can contribute
//
function calculateMaxContribution(address _contributor) constant returns (uint maxContribution){
uint maxContrib;
if (crowdsaleState == state.priorityPass){ // Check if we are in priority pass
maxContrib = contributorList[_contributor].priorityPassAllowance - contributorList[_contributor].contributionAmount;
if (maxContrib > (maxP1Cap - ethRaised)){ // Check if max contribution is more that max cap
maxContrib = maxP1Cap - ethRaised; // Alter max cap
}
}
else{
maxContrib = maxCap - ethRaised; // Alter max cap
}
return maxContrib;
}
//
// Issue tokens and return if there is overflow
//
function processTransaction(address _contributor, uint _amount) internal{
uint maxContribution = calculateMaxContribution(_contributor); // Calculate max users contribution
uint contributionAmount = _amount;
uint returnAmount = 0;
if (maxContribution < _amount){ // Check if max contribution is lower than _amount sent
contributionAmount = maxContribution; // Set that user contibutes his maximum alowed contribution
returnAmount = _amount - maxContribution; // Calculate howmuch he must get back
}
if (ethRaised + contributionAmount > minCap && minCap > ethRaised) MinCapReached(block.number);
if (contributorList[_contributor].isActive == false){ // Check if contributor has already contributed
contributorList[_contributor].isActive = true; // Set his activity to true
contributorList[_contributor].contributionAmount = contributionAmount; // Set his contribution
contributorIndexes[nextContributorIndex] = _contributor; // Set contributors index
nextContributorIndex++;
}
else{
contributorList[_contributor].contributionAmount += contributionAmount; // Add contribution amount to existing contributor
}
ethRaised += contributionAmount; // Add to eth raised
uint tokenAmount = contributionAmount * ethToTokenConversion; // Calculate how much tokens must contributor get
if (tokenAmount > 0){
token.mintTokens(_contributor, tokenAmount); // Issue new tokens
contributorList[_contributor].tokensIssued += tokenAmount; // log token issuance
}
if (returnAmount != 0) _contributor.transfer(returnAmount); // Return overflow of ether
}
//
// Push contributor data to the contract before the crowdsale so that they are eligible for priorit pass
//
function editContributors(address[] _contributorAddresses, uint[] _contributorPPAllowances) onlyOwner{
require(_contributorAddresses.length == _contributorPPAllowances.length); // Check if input data is correct
for(uint cnt = 0; cnt < _contributorAddresses.length; cnt++){
if (contributorList[_contributorAddresses[cnt]].isActive){
contributorList[_contributorAddresses[cnt]].priorityPassAllowance = _contributorPPAllowances[cnt];
}
else{
contributorList[_contributorAddresses[cnt]].isActive = true;
contributorList[_contributorAddresses[cnt]].priorityPassAllowance = _contributorPPAllowances[cnt];
contributorIndexes[nextContributorIndex] = _contributorAddresses[cnt];
nextContributorIndex++;
}
}
}
//
// Method is needed for recovering tokens accedentaly sent to token address
//
function salvageTokensFromContract(address _tokenAddress, address _to, uint _amount) onlyOwner{
IERC20Token(_tokenAddress).transfer(_to, _amount);
}
//
// withdrawEth when minimum cap is reached
//
function withdrawEth() onlyOwner{
require(this.balance != 0);
require(ethRaised >= minCap);
pendingEthWithdrawal = this.balance;
}
uint pendingEthWithdrawal;
function pullBalance(){
require(msg.sender == multisigAddress);
require(pendingEthWithdrawal > 0);
multisigAddress.transfer(pendingEthWithdrawal);
pendingEthWithdrawal = 0;
}
//
// Users can claim their contribution if min cap is not raised
//
function claimEthIfFailed(){
require(block.number > crowdsaleEndedBlock && ethRaised < minCap); // Check if crowdsale has failed
require(contributorList[msg.sender].contributionAmount > 0); // Check if contributor has contributed to crowdsaleEndedBlock
require(!hasClaimedEthWhenFail[msg.sender]); // Check if contributor has already claimed his eth
uint ethContributed = contributorList[msg.sender].contributionAmount; // Get contributors contribution
hasClaimedEthWhenFail[msg.sender] = true; // Set that he has claimed
if (!msg.sender.send(ethContributed)){ // Refund eth
ErrorSendingETH(msg.sender, ethContributed); // If there is an issue raise event for manual recovery
}
}
//
// Owner can batch return contributors contributions(eth)
//
function batchReturnEthIfFailed(uint _numberOfReturns) onlyOwner{
require(block.number > crowdsaleEndedBlock && ethRaised < minCap); // Check if crowdsale has failed
address currentParticipantAddress;
uint contribution;
for (uint cnt = 0; cnt < _numberOfReturns; cnt++){
currentParticipantAddress = contributorIndexes[nextContributorToClaim]; // Get next unclaimed participant
if (currentParticipantAddress == 0x0) return; // Check if all the participants were compensated
if (!hasClaimedEthWhenFail[currentParticipantAddress]) { // Check if participant has already claimed
contribution = contributorList[currentParticipantAddress].contributionAmount; // Get contribution of participant
hasClaimedEthWhenFail[currentParticipantAddress] = true; // Set that he has claimed
if (!currentParticipantAddress.send(contribution)){ // Refund eth
ErrorSendingETH(currentParticipantAddress, contribution); // If there is an issue raise event for manual recovery
}
}
nextContributorToClaim += 1; // Repeat
}
}
//
// If there were any issue/attach with refund owner can withraw eth at the end for manual recovery
//
function withdrawRemainingBalanceForManualRecovery() onlyOwner{
require(this.balance != 0); // Check if there are any eth to claim
require(block.number > crowdsaleEndedBlock); // Check if crowdsale is over
require(contributorIndexes[nextContributorToClaim] == 0x0); // Check if all the users were refunded
multisigAddress.transfer(this.balance); // Withdraw to multisig
}
//
// Owner can set multisig address for crowdsale
//
function setMultisigAddress(address _newAddress) onlyOwner{
multisigAddress = _newAddress;
}
//
// Owner can set token address where mints will happen
//
function setToken(address _newAddress) onlyOwner{
token = IToken(_newAddress);
}
//
// Owner can claim teams tokens when crowdsale has successfully ended
//
function claimCoreTeamsTokens(address _to) onlyOwner{
require(crowdsaleState == state.crowdsaleEnded); // Check if crowdsale has ended
require(!ownerHasClaimedTokens); // Check if owner has allready claimed tokens
uint devReward = maxTokenSupply - token.totalSupply();
if (!cofounditHasClaimedTokens) devReward -= cofounditReward; // If cofoundit has claimed tokens its ok if not set aside cofounditReward
token.mintTokens(_to, devReward); // Issue Teams tokens
ownerHasClaimedTokens = true; // Block further mints from this method
}
//
// Cofoundit can claim their tokens
//
function claimCofounditTokens(){
require(msg.sender == cofounditAddress); // Check if sender is cofoundit
require(crowdsaleState == state.crowdsaleEnded); // Check if crowdsale has ended
require(!cofounditHasClaimedTokens); // Check if cofoundit has allready claimed tokens
token.mintTokens(cofounditColdStorage, cofounditReward); // Issue cofoundit tokens
cofounditHasClaimedTokens = true; // Block further mints from this method
}
function getTokenAddress() constant returns(address){
return address(token);
}
//
// Before crowdsale starts owner can calibrate blocks of crowdsale stages
//
function setCrowdsaleBlocks(uint _presaleStartBlock, uint _presaleUnlimitedStartBlock, uint _crowdsaleStartBlock, uint _crowdsaleEndedBlock) onlyOwner{
require(crowdsaleState == state.pendingStart); // Check if crowdsale has started
require(_presaleStartBlock != 0); // Check if any value is 0
require(_presaleStartBlock < _presaleUnlimitedStartBlock); // Check if presaleUnlimitedStartBlock is set properly
require(_presaleUnlimitedStartBlock != 0); // Check if any value is 0
require(_presaleUnlimitedStartBlock < _crowdsaleStartBlock); // Check if crowdsaleStartBlock is set properly
require(_crowdsaleStartBlock != 0); // Check if any value is 0
require(_crowdsaleStartBlock < _crowdsaleEndedBlock); // Check if crowdsaleEndedBlock is set properly
require(_crowdsaleEndedBlock != 0); // Check if any value is 0
presaleStartBlock = _presaleStartBlock;
presaleUnlimitedStartBlock = _presaleUnlimitedStartBlock;
crowdsaleStartBlock = _crowdsaleStartBlock;
crowdsaleEndedBlock = _crowdsaleEndedBlock;
}
} | checkCrowdsaleState | function checkCrowdsaleState() internal returns (bool){
if (ethRaised == maxCap && crowdsaleState != state.crowdsaleEnded){ // Check if max cap is reached
crowdsaleState = state.crowdsaleEnded;
MaxCapReached(block.number); // Close the crowdsale
CrowdsaleEnded(block.number); // Raise event
return true;
}
if (block.number > presaleStartBlock && block.number <= presaleUnlimitedStartBlock){ // Check if we are in presale phase
if (crowdsaleState != state.priorityPass){ // Check if state needs to be changed
crowdsaleState = state.priorityPass; // Set new state
PresaleStarted(block.number); // Raise event
return true;
}
}else if(block.number > presaleUnlimitedStartBlock && block.number <= crowdsaleStartBlock){ // Check if we are in presale unlimited phase
if (crowdsaleState != state.openedPriorityPass){ // Check if state needs to be changed
crowdsaleState = state.openedPriorityPass; // Set new state
PresaleUnlimitedStarted(block.number); // Raise event
return true;
}
}else if(block.number > crowdsaleStartBlock && block.number <= crowdsaleEndedBlock){ // Check if we are in crowdsale state
if (crowdsaleState != state.crowdsale){ // Check if state needs to be changed
crowdsaleState = state.crowdsale; // Set new state
CrowdsaleStarted(block.number); // Raise event
return true;
}
}else{
if (crowdsaleState != state.crowdsaleEnded && block.number > crowdsaleEndedBlock){ // Check if crowdsale is over
crowdsaleState = state.crowdsaleEnded; // Set new state
CrowdsaleEnded(block.number); // Raise event
return true;
}
}
return false;
}
| //
// Check crowdsale state and calibrate it
// | LineComment | v0.4.16+commit.d7661dd9 | bzzr://ff2415ea20052542e44eecc0b9e20c01f2afed4b77fb89f3252b0fa9c88ab9ec | {
"func_code_index": [
2854,
5337
]
} | 4,637 |
|||
DPPCrowdsale | DPPCrowdsale.sol | 0x6f0d792b540afa2c8772b9ba4805e7436ad8413e | Solidity | Crowdsale | contract Crowdsale is ReentrnacyHandlingContract, Owned{
struct ContributorData{
uint priorityPassAllowance;
bool isActive;
uint contributionAmount;
uint tokensIssued;
}
mapping(address => ContributorData) public contributorList;
uint nextContributorIndex;
mapping(uint => address) contributorIndexes;
state public crowdsaleState = state.pendingStart;
enum state { pendingStart, priorityPass, openedPriorityPass, crowdsale, crowdsaleEnded }
uint public presaleStartBlock;
uint public presaleUnlimitedStartBlock;
uint public crowdsaleStartBlock;
uint public crowdsaleEndedBlock;
event PresaleStarted(uint blockNumber);
event PresaleUnlimitedStarted(uint blockNumber);
event CrowdsaleStarted(uint blockNumber);
event CrowdsaleEnded(uint blockNumber);
event ErrorSendingETH(address to, uint amount);
event MinCapReached(uint blockNumber);
event MaxCapReached(uint blockNumber);
IToken token = IToken(0x0);
uint ethToTokenConversion;
uint public minCap;
uint public maxP1Cap;
uint public maxCap;
uint public ethRaised;
address public multisigAddress;
uint nextContributorToClaim;
mapping(address => bool) hasClaimedEthWhenFail;
uint maxTokenSupply;
bool ownerHasClaimedTokens;
uint cofounditReward;
address cofounditAddress;
address cofounditColdStorage;
bool cofounditHasClaimedTokens;
//
// Unnamed function that runs when eth is sent to the contract
//
function() noReentrancy payable{
require(msg.value != 0); // Throw if value is 0
require(crowdsaleState != state.crowdsaleEnded);// Check if crowdsale has ended
bool stateChanged = checkCrowdsaleState(); // Check blocks and calibrate crowdsale state
if (crowdsaleState == state.priorityPass){
if (contributorList[msg.sender].isActive){ // Check if contributor is in priorityPass
processTransaction(msg.sender, msg.value); // Process transaction and issue tokens
}else{
refundTransaction(stateChanged); // Set state and return funds or throw
}
}
else if(crowdsaleState == state.openedPriorityPass){
if (contributorList[msg.sender].isActive){ // Check if contributor is in priorityPass
processTransaction(msg.sender, msg.value); // Process transaction and issue tokens
}else{
refundTransaction(stateChanged); // Set state and return funds or throw
}
}
else if(crowdsaleState == state.crowdsale){
processTransaction(msg.sender, msg.value); // Process transaction and issue tokens
}
else{
refundTransaction(stateChanged); // Set state and return funds or throw
}
}
//
// Check crowdsale state and calibrate it
//
function checkCrowdsaleState() internal returns (bool){
if (ethRaised == maxCap && crowdsaleState != state.crowdsaleEnded){ // Check if max cap is reached
crowdsaleState = state.crowdsaleEnded;
MaxCapReached(block.number); // Close the crowdsale
CrowdsaleEnded(block.number); // Raise event
return true;
}
if (block.number > presaleStartBlock && block.number <= presaleUnlimitedStartBlock){ // Check if we are in presale phase
if (crowdsaleState != state.priorityPass){ // Check if state needs to be changed
crowdsaleState = state.priorityPass; // Set new state
PresaleStarted(block.number); // Raise event
return true;
}
}else if(block.number > presaleUnlimitedStartBlock && block.number <= crowdsaleStartBlock){ // Check if we are in presale unlimited phase
if (crowdsaleState != state.openedPriorityPass){ // Check if state needs to be changed
crowdsaleState = state.openedPriorityPass; // Set new state
PresaleUnlimitedStarted(block.number); // Raise event
return true;
}
}else if(block.number > crowdsaleStartBlock && block.number <= crowdsaleEndedBlock){ // Check if we are in crowdsale state
if (crowdsaleState != state.crowdsale){ // Check if state needs to be changed
crowdsaleState = state.crowdsale; // Set new state
CrowdsaleStarted(block.number); // Raise event
return true;
}
}else{
if (crowdsaleState != state.crowdsaleEnded && block.number > crowdsaleEndedBlock){ // Check if crowdsale is over
crowdsaleState = state.crowdsaleEnded; // Set new state
CrowdsaleEnded(block.number); // Raise event
return true;
}
}
return false;
}
//
// Decide if throw or only return ether
//
function refundTransaction(bool _stateChanged) internal{
if (_stateChanged){
msg.sender.transfer(msg.value);
}else{
revert();
}
}
//
// Calculate how much user can contribute
//
function calculateMaxContribution(address _contributor) constant returns (uint maxContribution){
uint maxContrib;
if (crowdsaleState == state.priorityPass){ // Check if we are in priority pass
maxContrib = contributorList[_contributor].priorityPassAllowance - contributorList[_contributor].contributionAmount;
if (maxContrib > (maxP1Cap - ethRaised)){ // Check if max contribution is more that max cap
maxContrib = maxP1Cap - ethRaised; // Alter max cap
}
}
else{
maxContrib = maxCap - ethRaised; // Alter max cap
}
return maxContrib;
}
//
// Issue tokens and return if there is overflow
//
function processTransaction(address _contributor, uint _amount) internal{
uint maxContribution = calculateMaxContribution(_contributor); // Calculate max users contribution
uint contributionAmount = _amount;
uint returnAmount = 0;
if (maxContribution < _amount){ // Check if max contribution is lower than _amount sent
contributionAmount = maxContribution; // Set that user contibutes his maximum alowed contribution
returnAmount = _amount - maxContribution; // Calculate howmuch he must get back
}
if (ethRaised + contributionAmount > minCap && minCap > ethRaised) MinCapReached(block.number);
if (contributorList[_contributor].isActive == false){ // Check if contributor has already contributed
contributorList[_contributor].isActive = true; // Set his activity to true
contributorList[_contributor].contributionAmount = contributionAmount; // Set his contribution
contributorIndexes[nextContributorIndex] = _contributor; // Set contributors index
nextContributorIndex++;
}
else{
contributorList[_contributor].contributionAmount += contributionAmount; // Add contribution amount to existing contributor
}
ethRaised += contributionAmount; // Add to eth raised
uint tokenAmount = contributionAmount * ethToTokenConversion; // Calculate how much tokens must contributor get
if (tokenAmount > 0){
token.mintTokens(_contributor, tokenAmount); // Issue new tokens
contributorList[_contributor].tokensIssued += tokenAmount; // log token issuance
}
if (returnAmount != 0) _contributor.transfer(returnAmount); // Return overflow of ether
}
//
// Push contributor data to the contract before the crowdsale so that they are eligible for priorit pass
//
function editContributors(address[] _contributorAddresses, uint[] _contributorPPAllowances) onlyOwner{
require(_contributorAddresses.length == _contributorPPAllowances.length); // Check if input data is correct
for(uint cnt = 0; cnt < _contributorAddresses.length; cnt++){
if (contributorList[_contributorAddresses[cnt]].isActive){
contributorList[_contributorAddresses[cnt]].priorityPassAllowance = _contributorPPAllowances[cnt];
}
else{
contributorList[_contributorAddresses[cnt]].isActive = true;
contributorList[_contributorAddresses[cnt]].priorityPassAllowance = _contributorPPAllowances[cnt];
contributorIndexes[nextContributorIndex] = _contributorAddresses[cnt];
nextContributorIndex++;
}
}
}
//
// Method is needed for recovering tokens accedentaly sent to token address
//
function salvageTokensFromContract(address _tokenAddress, address _to, uint _amount) onlyOwner{
IERC20Token(_tokenAddress).transfer(_to, _amount);
}
//
// withdrawEth when minimum cap is reached
//
function withdrawEth() onlyOwner{
require(this.balance != 0);
require(ethRaised >= minCap);
pendingEthWithdrawal = this.balance;
}
uint pendingEthWithdrawal;
function pullBalance(){
require(msg.sender == multisigAddress);
require(pendingEthWithdrawal > 0);
multisigAddress.transfer(pendingEthWithdrawal);
pendingEthWithdrawal = 0;
}
//
// Users can claim their contribution if min cap is not raised
//
function claimEthIfFailed(){
require(block.number > crowdsaleEndedBlock && ethRaised < minCap); // Check if crowdsale has failed
require(contributorList[msg.sender].contributionAmount > 0); // Check if contributor has contributed to crowdsaleEndedBlock
require(!hasClaimedEthWhenFail[msg.sender]); // Check if contributor has already claimed his eth
uint ethContributed = contributorList[msg.sender].contributionAmount; // Get contributors contribution
hasClaimedEthWhenFail[msg.sender] = true; // Set that he has claimed
if (!msg.sender.send(ethContributed)){ // Refund eth
ErrorSendingETH(msg.sender, ethContributed); // If there is an issue raise event for manual recovery
}
}
//
// Owner can batch return contributors contributions(eth)
//
function batchReturnEthIfFailed(uint _numberOfReturns) onlyOwner{
require(block.number > crowdsaleEndedBlock && ethRaised < minCap); // Check if crowdsale has failed
address currentParticipantAddress;
uint contribution;
for (uint cnt = 0; cnt < _numberOfReturns; cnt++){
currentParticipantAddress = contributorIndexes[nextContributorToClaim]; // Get next unclaimed participant
if (currentParticipantAddress == 0x0) return; // Check if all the participants were compensated
if (!hasClaimedEthWhenFail[currentParticipantAddress]) { // Check if participant has already claimed
contribution = contributorList[currentParticipantAddress].contributionAmount; // Get contribution of participant
hasClaimedEthWhenFail[currentParticipantAddress] = true; // Set that he has claimed
if (!currentParticipantAddress.send(contribution)){ // Refund eth
ErrorSendingETH(currentParticipantAddress, contribution); // If there is an issue raise event for manual recovery
}
}
nextContributorToClaim += 1; // Repeat
}
}
//
// If there were any issue/attach with refund owner can withraw eth at the end for manual recovery
//
function withdrawRemainingBalanceForManualRecovery() onlyOwner{
require(this.balance != 0); // Check if there are any eth to claim
require(block.number > crowdsaleEndedBlock); // Check if crowdsale is over
require(contributorIndexes[nextContributorToClaim] == 0x0); // Check if all the users were refunded
multisigAddress.transfer(this.balance); // Withdraw to multisig
}
//
// Owner can set multisig address for crowdsale
//
function setMultisigAddress(address _newAddress) onlyOwner{
multisigAddress = _newAddress;
}
//
// Owner can set token address where mints will happen
//
function setToken(address _newAddress) onlyOwner{
token = IToken(_newAddress);
}
//
// Owner can claim teams tokens when crowdsale has successfully ended
//
function claimCoreTeamsTokens(address _to) onlyOwner{
require(crowdsaleState == state.crowdsaleEnded); // Check if crowdsale has ended
require(!ownerHasClaimedTokens); // Check if owner has allready claimed tokens
uint devReward = maxTokenSupply - token.totalSupply();
if (!cofounditHasClaimedTokens) devReward -= cofounditReward; // If cofoundit has claimed tokens its ok if not set aside cofounditReward
token.mintTokens(_to, devReward); // Issue Teams tokens
ownerHasClaimedTokens = true; // Block further mints from this method
}
//
// Cofoundit can claim their tokens
//
function claimCofounditTokens(){
require(msg.sender == cofounditAddress); // Check if sender is cofoundit
require(crowdsaleState == state.crowdsaleEnded); // Check if crowdsale has ended
require(!cofounditHasClaimedTokens); // Check if cofoundit has allready claimed tokens
token.mintTokens(cofounditColdStorage, cofounditReward); // Issue cofoundit tokens
cofounditHasClaimedTokens = true; // Block further mints from this method
}
function getTokenAddress() constant returns(address){
return address(token);
}
//
// Before crowdsale starts owner can calibrate blocks of crowdsale stages
//
function setCrowdsaleBlocks(uint _presaleStartBlock, uint _presaleUnlimitedStartBlock, uint _crowdsaleStartBlock, uint _crowdsaleEndedBlock) onlyOwner{
require(crowdsaleState == state.pendingStart); // Check if crowdsale has started
require(_presaleStartBlock != 0); // Check if any value is 0
require(_presaleStartBlock < _presaleUnlimitedStartBlock); // Check if presaleUnlimitedStartBlock is set properly
require(_presaleUnlimitedStartBlock != 0); // Check if any value is 0
require(_presaleUnlimitedStartBlock < _crowdsaleStartBlock); // Check if crowdsaleStartBlock is set properly
require(_crowdsaleStartBlock != 0); // Check if any value is 0
require(_crowdsaleStartBlock < _crowdsaleEndedBlock); // Check if crowdsaleEndedBlock is set properly
require(_crowdsaleEndedBlock != 0); // Check if any value is 0
presaleStartBlock = _presaleStartBlock;
presaleUnlimitedStartBlock = _presaleUnlimitedStartBlock;
crowdsaleStartBlock = _crowdsaleStartBlock;
crowdsaleEndedBlock = _crowdsaleEndedBlock;
}
} | refundTransaction | function refundTransaction(bool _stateChanged) internal{
if (_stateChanged){
msg.sender.transfer(msg.value);
}else{
revert();
}
}
| //
// Decide if throw or only return ether
// | LineComment | v0.4.16+commit.d7661dd9 | bzzr://ff2415ea20052542e44eecc0b9e20c01f2afed4b77fb89f3252b0fa9c88ab9ec | {
"func_code_index": [
5395,
5559
]
} | 4,638 |
|||
DPPCrowdsale | DPPCrowdsale.sol | 0x6f0d792b540afa2c8772b9ba4805e7436ad8413e | Solidity | Crowdsale | contract Crowdsale is ReentrnacyHandlingContract, Owned{
struct ContributorData{
uint priorityPassAllowance;
bool isActive;
uint contributionAmount;
uint tokensIssued;
}
mapping(address => ContributorData) public contributorList;
uint nextContributorIndex;
mapping(uint => address) contributorIndexes;
state public crowdsaleState = state.pendingStart;
enum state { pendingStart, priorityPass, openedPriorityPass, crowdsale, crowdsaleEnded }
uint public presaleStartBlock;
uint public presaleUnlimitedStartBlock;
uint public crowdsaleStartBlock;
uint public crowdsaleEndedBlock;
event PresaleStarted(uint blockNumber);
event PresaleUnlimitedStarted(uint blockNumber);
event CrowdsaleStarted(uint blockNumber);
event CrowdsaleEnded(uint blockNumber);
event ErrorSendingETH(address to, uint amount);
event MinCapReached(uint blockNumber);
event MaxCapReached(uint blockNumber);
IToken token = IToken(0x0);
uint ethToTokenConversion;
uint public minCap;
uint public maxP1Cap;
uint public maxCap;
uint public ethRaised;
address public multisigAddress;
uint nextContributorToClaim;
mapping(address => bool) hasClaimedEthWhenFail;
uint maxTokenSupply;
bool ownerHasClaimedTokens;
uint cofounditReward;
address cofounditAddress;
address cofounditColdStorage;
bool cofounditHasClaimedTokens;
//
// Unnamed function that runs when eth is sent to the contract
//
function() noReentrancy payable{
require(msg.value != 0); // Throw if value is 0
require(crowdsaleState != state.crowdsaleEnded);// Check if crowdsale has ended
bool stateChanged = checkCrowdsaleState(); // Check blocks and calibrate crowdsale state
if (crowdsaleState == state.priorityPass){
if (contributorList[msg.sender].isActive){ // Check if contributor is in priorityPass
processTransaction(msg.sender, msg.value); // Process transaction and issue tokens
}else{
refundTransaction(stateChanged); // Set state and return funds or throw
}
}
else if(crowdsaleState == state.openedPriorityPass){
if (contributorList[msg.sender].isActive){ // Check if contributor is in priorityPass
processTransaction(msg.sender, msg.value); // Process transaction and issue tokens
}else{
refundTransaction(stateChanged); // Set state and return funds or throw
}
}
else if(crowdsaleState == state.crowdsale){
processTransaction(msg.sender, msg.value); // Process transaction and issue tokens
}
else{
refundTransaction(stateChanged); // Set state and return funds or throw
}
}
//
// Check crowdsale state and calibrate it
//
function checkCrowdsaleState() internal returns (bool){
if (ethRaised == maxCap && crowdsaleState != state.crowdsaleEnded){ // Check if max cap is reached
crowdsaleState = state.crowdsaleEnded;
MaxCapReached(block.number); // Close the crowdsale
CrowdsaleEnded(block.number); // Raise event
return true;
}
if (block.number > presaleStartBlock && block.number <= presaleUnlimitedStartBlock){ // Check if we are in presale phase
if (crowdsaleState != state.priorityPass){ // Check if state needs to be changed
crowdsaleState = state.priorityPass; // Set new state
PresaleStarted(block.number); // Raise event
return true;
}
}else if(block.number > presaleUnlimitedStartBlock && block.number <= crowdsaleStartBlock){ // Check if we are in presale unlimited phase
if (crowdsaleState != state.openedPriorityPass){ // Check if state needs to be changed
crowdsaleState = state.openedPriorityPass; // Set new state
PresaleUnlimitedStarted(block.number); // Raise event
return true;
}
}else if(block.number > crowdsaleStartBlock && block.number <= crowdsaleEndedBlock){ // Check if we are in crowdsale state
if (crowdsaleState != state.crowdsale){ // Check if state needs to be changed
crowdsaleState = state.crowdsale; // Set new state
CrowdsaleStarted(block.number); // Raise event
return true;
}
}else{
if (crowdsaleState != state.crowdsaleEnded && block.number > crowdsaleEndedBlock){ // Check if crowdsale is over
crowdsaleState = state.crowdsaleEnded; // Set new state
CrowdsaleEnded(block.number); // Raise event
return true;
}
}
return false;
}
//
// Decide if throw or only return ether
//
function refundTransaction(bool _stateChanged) internal{
if (_stateChanged){
msg.sender.transfer(msg.value);
}else{
revert();
}
}
//
// Calculate how much user can contribute
//
function calculateMaxContribution(address _contributor) constant returns (uint maxContribution){
uint maxContrib;
if (crowdsaleState == state.priorityPass){ // Check if we are in priority pass
maxContrib = contributorList[_contributor].priorityPassAllowance - contributorList[_contributor].contributionAmount;
if (maxContrib > (maxP1Cap - ethRaised)){ // Check if max contribution is more that max cap
maxContrib = maxP1Cap - ethRaised; // Alter max cap
}
}
else{
maxContrib = maxCap - ethRaised; // Alter max cap
}
return maxContrib;
}
//
// Issue tokens and return if there is overflow
//
function processTransaction(address _contributor, uint _amount) internal{
uint maxContribution = calculateMaxContribution(_contributor); // Calculate max users contribution
uint contributionAmount = _amount;
uint returnAmount = 0;
if (maxContribution < _amount){ // Check if max contribution is lower than _amount sent
contributionAmount = maxContribution; // Set that user contibutes his maximum alowed contribution
returnAmount = _amount - maxContribution; // Calculate howmuch he must get back
}
if (ethRaised + contributionAmount > minCap && minCap > ethRaised) MinCapReached(block.number);
if (contributorList[_contributor].isActive == false){ // Check if contributor has already contributed
contributorList[_contributor].isActive = true; // Set his activity to true
contributorList[_contributor].contributionAmount = contributionAmount; // Set his contribution
contributorIndexes[nextContributorIndex] = _contributor; // Set contributors index
nextContributorIndex++;
}
else{
contributorList[_contributor].contributionAmount += contributionAmount; // Add contribution amount to existing contributor
}
ethRaised += contributionAmount; // Add to eth raised
uint tokenAmount = contributionAmount * ethToTokenConversion; // Calculate how much tokens must contributor get
if (tokenAmount > 0){
token.mintTokens(_contributor, tokenAmount); // Issue new tokens
contributorList[_contributor].tokensIssued += tokenAmount; // log token issuance
}
if (returnAmount != 0) _contributor.transfer(returnAmount); // Return overflow of ether
}
//
// Push contributor data to the contract before the crowdsale so that they are eligible for priorit pass
//
function editContributors(address[] _contributorAddresses, uint[] _contributorPPAllowances) onlyOwner{
require(_contributorAddresses.length == _contributorPPAllowances.length); // Check if input data is correct
for(uint cnt = 0; cnt < _contributorAddresses.length; cnt++){
if (contributorList[_contributorAddresses[cnt]].isActive){
contributorList[_contributorAddresses[cnt]].priorityPassAllowance = _contributorPPAllowances[cnt];
}
else{
contributorList[_contributorAddresses[cnt]].isActive = true;
contributorList[_contributorAddresses[cnt]].priorityPassAllowance = _contributorPPAllowances[cnt];
contributorIndexes[nextContributorIndex] = _contributorAddresses[cnt];
nextContributorIndex++;
}
}
}
//
// Method is needed for recovering tokens accedentaly sent to token address
//
function salvageTokensFromContract(address _tokenAddress, address _to, uint _amount) onlyOwner{
IERC20Token(_tokenAddress).transfer(_to, _amount);
}
//
// withdrawEth when minimum cap is reached
//
function withdrawEth() onlyOwner{
require(this.balance != 0);
require(ethRaised >= minCap);
pendingEthWithdrawal = this.balance;
}
uint pendingEthWithdrawal;
function pullBalance(){
require(msg.sender == multisigAddress);
require(pendingEthWithdrawal > 0);
multisigAddress.transfer(pendingEthWithdrawal);
pendingEthWithdrawal = 0;
}
//
// Users can claim their contribution if min cap is not raised
//
function claimEthIfFailed(){
require(block.number > crowdsaleEndedBlock && ethRaised < minCap); // Check if crowdsale has failed
require(contributorList[msg.sender].contributionAmount > 0); // Check if contributor has contributed to crowdsaleEndedBlock
require(!hasClaimedEthWhenFail[msg.sender]); // Check if contributor has already claimed his eth
uint ethContributed = contributorList[msg.sender].contributionAmount; // Get contributors contribution
hasClaimedEthWhenFail[msg.sender] = true; // Set that he has claimed
if (!msg.sender.send(ethContributed)){ // Refund eth
ErrorSendingETH(msg.sender, ethContributed); // If there is an issue raise event for manual recovery
}
}
//
// Owner can batch return contributors contributions(eth)
//
function batchReturnEthIfFailed(uint _numberOfReturns) onlyOwner{
require(block.number > crowdsaleEndedBlock && ethRaised < minCap); // Check if crowdsale has failed
address currentParticipantAddress;
uint contribution;
for (uint cnt = 0; cnt < _numberOfReturns; cnt++){
currentParticipantAddress = contributorIndexes[nextContributorToClaim]; // Get next unclaimed participant
if (currentParticipantAddress == 0x0) return; // Check if all the participants were compensated
if (!hasClaimedEthWhenFail[currentParticipantAddress]) { // Check if participant has already claimed
contribution = contributorList[currentParticipantAddress].contributionAmount; // Get contribution of participant
hasClaimedEthWhenFail[currentParticipantAddress] = true; // Set that he has claimed
if (!currentParticipantAddress.send(contribution)){ // Refund eth
ErrorSendingETH(currentParticipantAddress, contribution); // If there is an issue raise event for manual recovery
}
}
nextContributorToClaim += 1; // Repeat
}
}
//
// If there were any issue/attach with refund owner can withraw eth at the end for manual recovery
//
function withdrawRemainingBalanceForManualRecovery() onlyOwner{
require(this.balance != 0); // Check if there are any eth to claim
require(block.number > crowdsaleEndedBlock); // Check if crowdsale is over
require(contributorIndexes[nextContributorToClaim] == 0x0); // Check if all the users were refunded
multisigAddress.transfer(this.balance); // Withdraw to multisig
}
//
// Owner can set multisig address for crowdsale
//
function setMultisigAddress(address _newAddress) onlyOwner{
multisigAddress = _newAddress;
}
//
// Owner can set token address where mints will happen
//
function setToken(address _newAddress) onlyOwner{
token = IToken(_newAddress);
}
//
// Owner can claim teams tokens when crowdsale has successfully ended
//
function claimCoreTeamsTokens(address _to) onlyOwner{
require(crowdsaleState == state.crowdsaleEnded); // Check if crowdsale has ended
require(!ownerHasClaimedTokens); // Check if owner has allready claimed tokens
uint devReward = maxTokenSupply - token.totalSupply();
if (!cofounditHasClaimedTokens) devReward -= cofounditReward; // If cofoundit has claimed tokens its ok if not set aside cofounditReward
token.mintTokens(_to, devReward); // Issue Teams tokens
ownerHasClaimedTokens = true; // Block further mints from this method
}
//
// Cofoundit can claim their tokens
//
function claimCofounditTokens(){
require(msg.sender == cofounditAddress); // Check if sender is cofoundit
require(crowdsaleState == state.crowdsaleEnded); // Check if crowdsale has ended
require(!cofounditHasClaimedTokens); // Check if cofoundit has allready claimed tokens
token.mintTokens(cofounditColdStorage, cofounditReward); // Issue cofoundit tokens
cofounditHasClaimedTokens = true; // Block further mints from this method
}
function getTokenAddress() constant returns(address){
return address(token);
}
//
// Before crowdsale starts owner can calibrate blocks of crowdsale stages
//
function setCrowdsaleBlocks(uint _presaleStartBlock, uint _presaleUnlimitedStartBlock, uint _crowdsaleStartBlock, uint _crowdsaleEndedBlock) onlyOwner{
require(crowdsaleState == state.pendingStart); // Check if crowdsale has started
require(_presaleStartBlock != 0); // Check if any value is 0
require(_presaleStartBlock < _presaleUnlimitedStartBlock); // Check if presaleUnlimitedStartBlock is set properly
require(_presaleUnlimitedStartBlock != 0); // Check if any value is 0
require(_presaleUnlimitedStartBlock < _crowdsaleStartBlock); // Check if crowdsaleStartBlock is set properly
require(_crowdsaleStartBlock != 0); // Check if any value is 0
require(_crowdsaleStartBlock < _crowdsaleEndedBlock); // Check if crowdsaleEndedBlock is set properly
require(_crowdsaleEndedBlock != 0); // Check if any value is 0
presaleStartBlock = _presaleStartBlock;
presaleUnlimitedStartBlock = _presaleUnlimitedStartBlock;
crowdsaleStartBlock = _crowdsaleStartBlock;
crowdsaleEndedBlock = _crowdsaleEndedBlock;
}
} | calculateMaxContribution | function calculateMaxContribution(address _contributor) constant returns (uint maxContribution){
uint maxContrib;
if (crowdsaleState == state.priorityPass){ // Check if we are in priority pass
maxContrib = contributorList[_contributor].priorityPassAllowance - contributorList[_contributor].contributionAmount;
if (maxContrib > (maxP1Cap - ethRaised)){ // Check if max contribution is more that max cap
maxContrib = maxP1Cap - ethRaised; // Alter max cap
}
}
else{
maxContrib = maxCap - ethRaised; // Alter max cap
}
return maxContrib;
}
| //
// Calculate how much user can contribute
// | LineComment | v0.4.16+commit.d7661dd9 | bzzr://ff2415ea20052542e44eecc0b9e20c01f2afed4b77fb89f3252b0fa9c88ab9ec | {
"func_code_index": [
5619,
6251
]
} | 4,639 |
|||
DPPCrowdsale | DPPCrowdsale.sol | 0x6f0d792b540afa2c8772b9ba4805e7436ad8413e | Solidity | Crowdsale | contract Crowdsale is ReentrnacyHandlingContract, Owned{
struct ContributorData{
uint priorityPassAllowance;
bool isActive;
uint contributionAmount;
uint tokensIssued;
}
mapping(address => ContributorData) public contributorList;
uint nextContributorIndex;
mapping(uint => address) contributorIndexes;
state public crowdsaleState = state.pendingStart;
enum state { pendingStart, priorityPass, openedPriorityPass, crowdsale, crowdsaleEnded }
uint public presaleStartBlock;
uint public presaleUnlimitedStartBlock;
uint public crowdsaleStartBlock;
uint public crowdsaleEndedBlock;
event PresaleStarted(uint blockNumber);
event PresaleUnlimitedStarted(uint blockNumber);
event CrowdsaleStarted(uint blockNumber);
event CrowdsaleEnded(uint blockNumber);
event ErrorSendingETH(address to, uint amount);
event MinCapReached(uint blockNumber);
event MaxCapReached(uint blockNumber);
IToken token = IToken(0x0);
uint ethToTokenConversion;
uint public minCap;
uint public maxP1Cap;
uint public maxCap;
uint public ethRaised;
address public multisigAddress;
uint nextContributorToClaim;
mapping(address => bool) hasClaimedEthWhenFail;
uint maxTokenSupply;
bool ownerHasClaimedTokens;
uint cofounditReward;
address cofounditAddress;
address cofounditColdStorage;
bool cofounditHasClaimedTokens;
//
// Unnamed function that runs when eth is sent to the contract
//
function() noReentrancy payable{
require(msg.value != 0); // Throw if value is 0
require(crowdsaleState != state.crowdsaleEnded);// Check if crowdsale has ended
bool stateChanged = checkCrowdsaleState(); // Check blocks and calibrate crowdsale state
if (crowdsaleState == state.priorityPass){
if (contributorList[msg.sender].isActive){ // Check if contributor is in priorityPass
processTransaction(msg.sender, msg.value); // Process transaction and issue tokens
}else{
refundTransaction(stateChanged); // Set state and return funds or throw
}
}
else if(crowdsaleState == state.openedPriorityPass){
if (contributorList[msg.sender].isActive){ // Check if contributor is in priorityPass
processTransaction(msg.sender, msg.value); // Process transaction and issue tokens
}else{
refundTransaction(stateChanged); // Set state and return funds or throw
}
}
else if(crowdsaleState == state.crowdsale){
processTransaction(msg.sender, msg.value); // Process transaction and issue tokens
}
else{
refundTransaction(stateChanged); // Set state and return funds or throw
}
}
//
// Check crowdsale state and calibrate it
//
function checkCrowdsaleState() internal returns (bool){
if (ethRaised == maxCap && crowdsaleState != state.crowdsaleEnded){ // Check if max cap is reached
crowdsaleState = state.crowdsaleEnded;
MaxCapReached(block.number); // Close the crowdsale
CrowdsaleEnded(block.number); // Raise event
return true;
}
if (block.number > presaleStartBlock && block.number <= presaleUnlimitedStartBlock){ // Check if we are in presale phase
if (crowdsaleState != state.priorityPass){ // Check if state needs to be changed
crowdsaleState = state.priorityPass; // Set new state
PresaleStarted(block.number); // Raise event
return true;
}
}else if(block.number > presaleUnlimitedStartBlock && block.number <= crowdsaleStartBlock){ // Check if we are in presale unlimited phase
if (crowdsaleState != state.openedPriorityPass){ // Check if state needs to be changed
crowdsaleState = state.openedPriorityPass; // Set new state
PresaleUnlimitedStarted(block.number); // Raise event
return true;
}
}else if(block.number > crowdsaleStartBlock && block.number <= crowdsaleEndedBlock){ // Check if we are in crowdsale state
if (crowdsaleState != state.crowdsale){ // Check if state needs to be changed
crowdsaleState = state.crowdsale; // Set new state
CrowdsaleStarted(block.number); // Raise event
return true;
}
}else{
if (crowdsaleState != state.crowdsaleEnded && block.number > crowdsaleEndedBlock){ // Check if crowdsale is over
crowdsaleState = state.crowdsaleEnded; // Set new state
CrowdsaleEnded(block.number); // Raise event
return true;
}
}
return false;
}
//
// Decide if throw or only return ether
//
function refundTransaction(bool _stateChanged) internal{
if (_stateChanged){
msg.sender.transfer(msg.value);
}else{
revert();
}
}
//
// Calculate how much user can contribute
//
function calculateMaxContribution(address _contributor) constant returns (uint maxContribution){
uint maxContrib;
if (crowdsaleState == state.priorityPass){ // Check if we are in priority pass
maxContrib = contributorList[_contributor].priorityPassAllowance - contributorList[_contributor].contributionAmount;
if (maxContrib > (maxP1Cap - ethRaised)){ // Check if max contribution is more that max cap
maxContrib = maxP1Cap - ethRaised; // Alter max cap
}
}
else{
maxContrib = maxCap - ethRaised; // Alter max cap
}
return maxContrib;
}
//
// Issue tokens and return if there is overflow
//
function processTransaction(address _contributor, uint _amount) internal{
uint maxContribution = calculateMaxContribution(_contributor); // Calculate max users contribution
uint contributionAmount = _amount;
uint returnAmount = 0;
if (maxContribution < _amount){ // Check if max contribution is lower than _amount sent
contributionAmount = maxContribution; // Set that user contibutes his maximum alowed contribution
returnAmount = _amount - maxContribution; // Calculate howmuch he must get back
}
if (ethRaised + contributionAmount > minCap && minCap > ethRaised) MinCapReached(block.number);
if (contributorList[_contributor].isActive == false){ // Check if contributor has already contributed
contributorList[_contributor].isActive = true; // Set his activity to true
contributorList[_contributor].contributionAmount = contributionAmount; // Set his contribution
contributorIndexes[nextContributorIndex] = _contributor; // Set contributors index
nextContributorIndex++;
}
else{
contributorList[_contributor].contributionAmount += contributionAmount; // Add contribution amount to existing contributor
}
ethRaised += contributionAmount; // Add to eth raised
uint tokenAmount = contributionAmount * ethToTokenConversion; // Calculate how much tokens must contributor get
if (tokenAmount > 0){
token.mintTokens(_contributor, tokenAmount); // Issue new tokens
contributorList[_contributor].tokensIssued += tokenAmount; // log token issuance
}
if (returnAmount != 0) _contributor.transfer(returnAmount); // Return overflow of ether
}
//
// Push contributor data to the contract before the crowdsale so that they are eligible for priorit pass
//
function editContributors(address[] _contributorAddresses, uint[] _contributorPPAllowances) onlyOwner{
require(_contributorAddresses.length == _contributorPPAllowances.length); // Check if input data is correct
for(uint cnt = 0; cnt < _contributorAddresses.length; cnt++){
if (contributorList[_contributorAddresses[cnt]].isActive){
contributorList[_contributorAddresses[cnt]].priorityPassAllowance = _contributorPPAllowances[cnt];
}
else{
contributorList[_contributorAddresses[cnt]].isActive = true;
contributorList[_contributorAddresses[cnt]].priorityPassAllowance = _contributorPPAllowances[cnt];
contributorIndexes[nextContributorIndex] = _contributorAddresses[cnt];
nextContributorIndex++;
}
}
}
//
// Method is needed for recovering tokens accedentaly sent to token address
//
function salvageTokensFromContract(address _tokenAddress, address _to, uint _amount) onlyOwner{
IERC20Token(_tokenAddress).transfer(_to, _amount);
}
//
// withdrawEth when minimum cap is reached
//
function withdrawEth() onlyOwner{
require(this.balance != 0);
require(ethRaised >= minCap);
pendingEthWithdrawal = this.balance;
}
uint pendingEthWithdrawal;
function pullBalance(){
require(msg.sender == multisigAddress);
require(pendingEthWithdrawal > 0);
multisigAddress.transfer(pendingEthWithdrawal);
pendingEthWithdrawal = 0;
}
//
// Users can claim their contribution if min cap is not raised
//
function claimEthIfFailed(){
require(block.number > crowdsaleEndedBlock && ethRaised < minCap); // Check if crowdsale has failed
require(contributorList[msg.sender].contributionAmount > 0); // Check if contributor has contributed to crowdsaleEndedBlock
require(!hasClaimedEthWhenFail[msg.sender]); // Check if contributor has already claimed his eth
uint ethContributed = contributorList[msg.sender].contributionAmount; // Get contributors contribution
hasClaimedEthWhenFail[msg.sender] = true; // Set that he has claimed
if (!msg.sender.send(ethContributed)){ // Refund eth
ErrorSendingETH(msg.sender, ethContributed); // If there is an issue raise event for manual recovery
}
}
//
// Owner can batch return contributors contributions(eth)
//
function batchReturnEthIfFailed(uint _numberOfReturns) onlyOwner{
require(block.number > crowdsaleEndedBlock && ethRaised < minCap); // Check if crowdsale has failed
address currentParticipantAddress;
uint contribution;
for (uint cnt = 0; cnt < _numberOfReturns; cnt++){
currentParticipantAddress = contributorIndexes[nextContributorToClaim]; // Get next unclaimed participant
if (currentParticipantAddress == 0x0) return; // Check if all the participants were compensated
if (!hasClaimedEthWhenFail[currentParticipantAddress]) { // Check if participant has already claimed
contribution = contributorList[currentParticipantAddress].contributionAmount; // Get contribution of participant
hasClaimedEthWhenFail[currentParticipantAddress] = true; // Set that he has claimed
if (!currentParticipantAddress.send(contribution)){ // Refund eth
ErrorSendingETH(currentParticipantAddress, contribution); // If there is an issue raise event for manual recovery
}
}
nextContributorToClaim += 1; // Repeat
}
}
//
// If there were any issue/attach with refund owner can withraw eth at the end for manual recovery
//
function withdrawRemainingBalanceForManualRecovery() onlyOwner{
require(this.balance != 0); // Check if there are any eth to claim
require(block.number > crowdsaleEndedBlock); // Check if crowdsale is over
require(contributorIndexes[nextContributorToClaim] == 0x0); // Check if all the users were refunded
multisigAddress.transfer(this.balance); // Withdraw to multisig
}
//
// Owner can set multisig address for crowdsale
//
function setMultisigAddress(address _newAddress) onlyOwner{
multisigAddress = _newAddress;
}
//
// Owner can set token address where mints will happen
//
function setToken(address _newAddress) onlyOwner{
token = IToken(_newAddress);
}
//
// Owner can claim teams tokens when crowdsale has successfully ended
//
function claimCoreTeamsTokens(address _to) onlyOwner{
require(crowdsaleState == state.crowdsaleEnded); // Check if crowdsale has ended
require(!ownerHasClaimedTokens); // Check if owner has allready claimed tokens
uint devReward = maxTokenSupply - token.totalSupply();
if (!cofounditHasClaimedTokens) devReward -= cofounditReward; // If cofoundit has claimed tokens its ok if not set aside cofounditReward
token.mintTokens(_to, devReward); // Issue Teams tokens
ownerHasClaimedTokens = true; // Block further mints from this method
}
//
// Cofoundit can claim their tokens
//
function claimCofounditTokens(){
require(msg.sender == cofounditAddress); // Check if sender is cofoundit
require(crowdsaleState == state.crowdsaleEnded); // Check if crowdsale has ended
require(!cofounditHasClaimedTokens); // Check if cofoundit has allready claimed tokens
token.mintTokens(cofounditColdStorage, cofounditReward); // Issue cofoundit tokens
cofounditHasClaimedTokens = true; // Block further mints from this method
}
function getTokenAddress() constant returns(address){
return address(token);
}
//
// Before crowdsale starts owner can calibrate blocks of crowdsale stages
//
function setCrowdsaleBlocks(uint _presaleStartBlock, uint _presaleUnlimitedStartBlock, uint _crowdsaleStartBlock, uint _crowdsaleEndedBlock) onlyOwner{
require(crowdsaleState == state.pendingStart); // Check if crowdsale has started
require(_presaleStartBlock != 0); // Check if any value is 0
require(_presaleStartBlock < _presaleUnlimitedStartBlock); // Check if presaleUnlimitedStartBlock is set properly
require(_presaleUnlimitedStartBlock != 0); // Check if any value is 0
require(_presaleUnlimitedStartBlock < _crowdsaleStartBlock); // Check if crowdsaleStartBlock is set properly
require(_crowdsaleStartBlock != 0); // Check if any value is 0
require(_crowdsaleStartBlock < _crowdsaleEndedBlock); // Check if crowdsaleEndedBlock is set properly
require(_crowdsaleEndedBlock != 0); // Check if any value is 0
presaleStartBlock = _presaleStartBlock;
presaleUnlimitedStartBlock = _presaleUnlimitedStartBlock;
crowdsaleStartBlock = _crowdsaleStartBlock;
crowdsaleEndedBlock = _crowdsaleEndedBlock;
}
} | processTransaction | function processTransaction(address _contributor, uint _amount) internal{
uint maxContribution = calculateMaxContribution(_contributor); // Calculate max users contribution
uint contributionAmount = _amount;
uint returnAmount = 0;
if (maxContribution < _amount){ // Check if max contribution is lower than _amount sent
contributionAmount = maxContribution; // Set that user contibutes his maximum alowed contribution
returnAmount = _amount - maxContribution; // Calculate howmuch he must get back
}
if (ethRaised + contributionAmount > minCap && minCap > ethRaised) MinCapReached(block.number);
if (contributorList[_contributor].isActive == false){ // Check if contributor has already contributed
contributorList[_contributor].isActive = true; // Set his activity to true
contributorList[_contributor].contributionAmount = contributionAmount; // Set his contribution
contributorIndexes[nextContributorIndex] = _contributor; // Set contributors index
nextContributorIndex++;
}
else{
contributorList[_contributor].contributionAmount += contributionAmount; // Add contribution amount to existing contributor
}
ethRaised += contributionAmount; // Add to eth raised
uint tokenAmount = contributionAmount * ethToTokenConversion; // Calculate how much tokens must contributor get
if (tokenAmount > 0){
token.mintTokens(_contributor, tokenAmount); // Issue new tokens
contributorList[_contributor].tokensIssued += tokenAmount; // log token issuance
}
if (returnAmount != 0) _contributor.transfer(returnAmount); // Return overflow of ether
}
| //
// Issue tokens and return if there is overflow
// | LineComment | v0.4.16+commit.d7661dd9 | bzzr://ff2415ea20052542e44eecc0b9e20c01f2afed4b77fb89f3252b0fa9c88ab9ec | {
"func_code_index": [
6317,
8316
]
} | 4,640 |
|||
DPPCrowdsale | DPPCrowdsale.sol | 0x6f0d792b540afa2c8772b9ba4805e7436ad8413e | Solidity | Crowdsale | contract Crowdsale is ReentrnacyHandlingContract, Owned{
struct ContributorData{
uint priorityPassAllowance;
bool isActive;
uint contributionAmount;
uint tokensIssued;
}
mapping(address => ContributorData) public contributorList;
uint nextContributorIndex;
mapping(uint => address) contributorIndexes;
state public crowdsaleState = state.pendingStart;
enum state { pendingStart, priorityPass, openedPriorityPass, crowdsale, crowdsaleEnded }
uint public presaleStartBlock;
uint public presaleUnlimitedStartBlock;
uint public crowdsaleStartBlock;
uint public crowdsaleEndedBlock;
event PresaleStarted(uint blockNumber);
event PresaleUnlimitedStarted(uint blockNumber);
event CrowdsaleStarted(uint blockNumber);
event CrowdsaleEnded(uint blockNumber);
event ErrorSendingETH(address to, uint amount);
event MinCapReached(uint blockNumber);
event MaxCapReached(uint blockNumber);
IToken token = IToken(0x0);
uint ethToTokenConversion;
uint public minCap;
uint public maxP1Cap;
uint public maxCap;
uint public ethRaised;
address public multisigAddress;
uint nextContributorToClaim;
mapping(address => bool) hasClaimedEthWhenFail;
uint maxTokenSupply;
bool ownerHasClaimedTokens;
uint cofounditReward;
address cofounditAddress;
address cofounditColdStorage;
bool cofounditHasClaimedTokens;
//
// Unnamed function that runs when eth is sent to the contract
//
function() noReentrancy payable{
require(msg.value != 0); // Throw if value is 0
require(crowdsaleState != state.crowdsaleEnded);// Check if crowdsale has ended
bool stateChanged = checkCrowdsaleState(); // Check blocks and calibrate crowdsale state
if (crowdsaleState == state.priorityPass){
if (contributorList[msg.sender].isActive){ // Check if contributor is in priorityPass
processTransaction(msg.sender, msg.value); // Process transaction and issue tokens
}else{
refundTransaction(stateChanged); // Set state and return funds or throw
}
}
else if(crowdsaleState == state.openedPriorityPass){
if (contributorList[msg.sender].isActive){ // Check if contributor is in priorityPass
processTransaction(msg.sender, msg.value); // Process transaction and issue tokens
}else{
refundTransaction(stateChanged); // Set state and return funds or throw
}
}
else if(crowdsaleState == state.crowdsale){
processTransaction(msg.sender, msg.value); // Process transaction and issue tokens
}
else{
refundTransaction(stateChanged); // Set state and return funds or throw
}
}
//
// Check crowdsale state and calibrate it
//
function checkCrowdsaleState() internal returns (bool){
if (ethRaised == maxCap && crowdsaleState != state.crowdsaleEnded){ // Check if max cap is reached
crowdsaleState = state.crowdsaleEnded;
MaxCapReached(block.number); // Close the crowdsale
CrowdsaleEnded(block.number); // Raise event
return true;
}
if (block.number > presaleStartBlock && block.number <= presaleUnlimitedStartBlock){ // Check if we are in presale phase
if (crowdsaleState != state.priorityPass){ // Check if state needs to be changed
crowdsaleState = state.priorityPass; // Set new state
PresaleStarted(block.number); // Raise event
return true;
}
}else if(block.number > presaleUnlimitedStartBlock && block.number <= crowdsaleStartBlock){ // Check if we are in presale unlimited phase
if (crowdsaleState != state.openedPriorityPass){ // Check if state needs to be changed
crowdsaleState = state.openedPriorityPass; // Set new state
PresaleUnlimitedStarted(block.number); // Raise event
return true;
}
}else if(block.number > crowdsaleStartBlock && block.number <= crowdsaleEndedBlock){ // Check if we are in crowdsale state
if (crowdsaleState != state.crowdsale){ // Check if state needs to be changed
crowdsaleState = state.crowdsale; // Set new state
CrowdsaleStarted(block.number); // Raise event
return true;
}
}else{
if (crowdsaleState != state.crowdsaleEnded && block.number > crowdsaleEndedBlock){ // Check if crowdsale is over
crowdsaleState = state.crowdsaleEnded; // Set new state
CrowdsaleEnded(block.number); // Raise event
return true;
}
}
return false;
}
//
// Decide if throw or only return ether
//
function refundTransaction(bool _stateChanged) internal{
if (_stateChanged){
msg.sender.transfer(msg.value);
}else{
revert();
}
}
//
// Calculate how much user can contribute
//
function calculateMaxContribution(address _contributor) constant returns (uint maxContribution){
uint maxContrib;
if (crowdsaleState == state.priorityPass){ // Check if we are in priority pass
maxContrib = contributorList[_contributor].priorityPassAllowance - contributorList[_contributor].contributionAmount;
if (maxContrib > (maxP1Cap - ethRaised)){ // Check if max contribution is more that max cap
maxContrib = maxP1Cap - ethRaised; // Alter max cap
}
}
else{
maxContrib = maxCap - ethRaised; // Alter max cap
}
return maxContrib;
}
//
// Issue tokens and return if there is overflow
//
function processTransaction(address _contributor, uint _amount) internal{
uint maxContribution = calculateMaxContribution(_contributor); // Calculate max users contribution
uint contributionAmount = _amount;
uint returnAmount = 0;
if (maxContribution < _amount){ // Check if max contribution is lower than _amount sent
contributionAmount = maxContribution; // Set that user contibutes his maximum alowed contribution
returnAmount = _amount - maxContribution; // Calculate howmuch he must get back
}
if (ethRaised + contributionAmount > minCap && minCap > ethRaised) MinCapReached(block.number);
if (contributorList[_contributor].isActive == false){ // Check if contributor has already contributed
contributorList[_contributor].isActive = true; // Set his activity to true
contributorList[_contributor].contributionAmount = contributionAmount; // Set his contribution
contributorIndexes[nextContributorIndex] = _contributor; // Set contributors index
nextContributorIndex++;
}
else{
contributorList[_contributor].contributionAmount += contributionAmount; // Add contribution amount to existing contributor
}
ethRaised += contributionAmount; // Add to eth raised
uint tokenAmount = contributionAmount * ethToTokenConversion; // Calculate how much tokens must contributor get
if (tokenAmount > 0){
token.mintTokens(_contributor, tokenAmount); // Issue new tokens
contributorList[_contributor].tokensIssued += tokenAmount; // log token issuance
}
if (returnAmount != 0) _contributor.transfer(returnAmount); // Return overflow of ether
}
//
// Push contributor data to the contract before the crowdsale so that they are eligible for priorit pass
//
function editContributors(address[] _contributorAddresses, uint[] _contributorPPAllowances) onlyOwner{
require(_contributorAddresses.length == _contributorPPAllowances.length); // Check if input data is correct
for(uint cnt = 0; cnt < _contributorAddresses.length; cnt++){
if (contributorList[_contributorAddresses[cnt]].isActive){
contributorList[_contributorAddresses[cnt]].priorityPassAllowance = _contributorPPAllowances[cnt];
}
else{
contributorList[_contributorAddresses[cnt]].isActive = true;
contributorList[_contributorAddresses[cnt]].priorityPassAllowance = _contributorPPAllowances[cnt];
contributorIndexes[nextContributorIndex] = _contributorAddresses[cnt];
nextContributorIndex++;
}
}
}
//
// Method is needed for recovering tokens accedentaly sent to token address
//
function salvageTokensFromContract(address _tokenAddress, address _to, uint _amount) onlyOwner{
IERC20Token(_tokenAddress).transfer(_to, _amount);
}
//
// withdrawEth when minimum cap is reached
//
function withdrawEth() onlyOwner{
require(this.balance != 0);
require(ethRaised >= minCap);
pendingEthWithdrawal = this.balance;
}
uint pendingEthWithdrawal;
function pullBalance(){
require(msg.sender == multisigAddress);
require(pendingEthWithdrawal > 0);
multisigAddress.transfer(pendingEthWithdrawal);
pendingEthWithdrawal = 0;
}
//
// Users can claim their contribution if min cap is not raised
//
function claimEthIfFailed(){
require(block.number > crowdsaleEndedBlock && ethRaised < minCap); // Check if crowdsale has failed
require(contributorList[msg.sender].contributionAmount > 0); // Check if contributor has contributed to crowdsaleEndedBlock
require(!hasClaimedEthWhenFail[msg.sender]); // Check if contributor has already claimed his eth
uint ethContributed = contributorList[msg.sender].contributionAmount; // Get contributors contribution
hasClaimedEthWhenFail[msg.sender] = true; // Set that he has claimed
if (!msg.sender.send(ethContributed)){ // Refund eth
ErrorSendingETH(msg.sender, ethContributed); // If there is an issue raise event for manual recovery
}
}
//
// Owner can batch return contributors contributions(eth)
//
function batchReturnEthIfFailed(uint _numberOfReturns) onlyOwner{
require(block.number > crowdsaleEndedBlock && ethRaised < minCap); // Check if crowdsale has failed
address currentParticipantAddress;
uint contribution;
for (uint cnt = 0; cnt < _numberOfReturns; cnt++){
currentParticipantAddress = contributorIndexes[nextContributorToClaim]; // Get next unclaimed participant
if (currentParticipantAddress == 0x0) return; // Check if all the participants were compensated
if (!hasClaimedEthWhenFail[currentParticipantAddress]) { // Check if participant has already claimed
contribution = contributorList[currentParticipantAddress].contributionAmount; // Get contribution of participant
hasClaimedEthWhenFail[currentParticipantAddress] = true; // Set that he has claimed
if (!currentParticipantAddress.send(contribution)){ // Refund eth
ErrorSendingETH(currentParticipantAddress, contribution); // If there is an issue raise event for manual recovery
}
}
nextContributorToClaim += 1; // Repeat
}
}
//
// If there were any issue/attach with refund owner can withraw eth at the end for manual recovery
//
function withdrawRemainingBalanceForManualRecovery() onlyOwner{
require(this.balance != 0); // Check if there are any eth to claim
require(block.number > crowdsaleEndedBlock); // Check if crowdsale is over
require(contributorIndexes[nextContributorToClaim] == 0x0); // Check if all the users were refunded
multisigAddress.transfer(this.balance); // Withdraw to multisig
}
//
// Owner can set multisig address for crowdsale
//
function setMultisigAddress(address _newAddress) onlyOwner{
multisigAddress = _newAddress;
}
//
// Owner can set token address where mints will happen
//
function setToken(address _newAddress) onlyOwner{
token = IToken(_newAddress);
}
//
// Owner can claim teams tokens when crowdsale has successfully ended
//
function claimCoreTeamsTokens(address _to) onlyOwner{
require(crowdsaleState == state.crowdsaleEnded); // Check if crowdsale has ended
require(!ownerHasClaimedTokens); // Check if owner has allready claimed tokens
uint devReward = maxTokenSupply - token.totalSupply();
if (!cofounditHasClaimedTokens) devReward -= cofounditReward; // If cofoundit has claimed tokens its ok if not set aside cofounditReward
token.mintTokens(_to, devReward); // Issue Teams tokens
ownerHasClaimedTokens = true; // Block further mints from this method
}
//
// Cofoundit can claim their tokens
//
function claimCofounditTokens(){
require(msg.sender == cofounditAddress); // Check if sender is cofoundit
require(crowdsaleState == state.crowdsaleEnded); // Check if crowdsale has ended
require(!cofounditHasClaimedTokens); // Check if cofoundit has allready claimed tokens
token.mintTokens(cofounditColdStorage, cofounditReward); // Issue cofoundit tokens
cofounditHasClaimedTokens = true; // Block further mints from this method
}
function getTokenAddress() constant returns(address){
return address(token);
}
//
// Before crowdsale starts owner can calibrate blocks of crowdsale stages
//
function setCrowdsaleBlocks(uint _presaleStartBlock, uint _presaleUnlimitedStartBlock, uint _crowdsaleStartBlock, uint _crowdsaleEndedBlock) onlyOwner{
require(crowdsaleState == state.pendingStart); // Check if crowdsale has started
require(_presaleStartBlock != 0); // Check if any value is 0
require(_presaleStartBlock < _presaleUnlimitedStartBlock); // Check if presaleUnlimitedStartBlock is set properly
require(_presaleUnlimitedStartBlock != 0); // Check if any value is 0
require(_presaleUnlimitedStartBlock < _crowdsaleStartBlock); // Check if crowdsaleStartBlock is set properly
require(_crowdsaleStartBlock != 0); // Check if any value is 0
require(_crowdsaleStartBlock < _crowdsaleEndedBlock); // Check if crowdsaleEndedBlock is set properly
require(_crowdsaleEndedBlock != 0); // Check if any value is 0
presaleStartBlock = _presaleStartBlock;
presaleUnlimitedStartBlock = _presaleUnlimitedStartBlock;
crowdsaleStartBlock = _crowdsaleStartBlock;
crowdsaleEndedBlock = _crowdsaleEndedBlock;
}
} | editContributors | function editContributors(address[] _contributorAddresses, uint[] _contributorPPAllowances) onlyOwner{
require(_contributorAddresses.length == _contributorPPAllowances.length); // Check if input data is correct
for(uint cnt = 0; cnt < _contributorAddresses.length; cnt++){
if (contributorList[_contributorAddresses[cnt]].isActive){
contributorList[_contributorAddresses[cnt]].priorityPassAllowance = _contributorPPAllowances[cnt];
}
else{
contributorList[_contributorAddresses[cnt]].isActive = true;
contributorList[_contributorAddresses[cnt]].priorityPassAllowance = _contributorPPAllowances[cnt];
contributorIndexes[nextContributorIndex] = _contributorAddresses[cnt];
nextContributorIndex++;
}
}
}
| //
// Push contributor data to the contract before the crowdsale so that they are eligible for priorit pass
// | LineComment | v0.4.16+commit.d7661dd9 | bzzr://ff2415ea20052542e44eecc0b9e20c01f2afed4b77fb89f3252b0fa9c88ab9ec | {
"func_code_index": [
8439,
9234
]
} | 4,641 |
|||
DPPCrowdsale | DPPCrowdsale.sol | 0x6f0d792b540afa2c8772b9ba4805e7436ad8413e | Solidity | Crowdsale | contract Crowdsale is ReentrnacyHandlingContract, Owned{
struct ContributorData{
uint priorityPassAllowance;
bool isActive;
uint contributionAmount;
uint tokensIssued;
}
mapping(address => ContributorData) public contributorList;
uint nextContributorIndex;
mapping(uint => address) contributorIndexes;
state public crowdsaleState = state.pendingStart;
enum state { pendingStart, priorityPass, openedPriorityPass, crowdsale, crowdsaleEnded }
uint public presaleStartBlock;
uint public presaleUnlimitedStartBlock;
uint public crowdsaleStartBlock;
uint public crowdsaleEndedBlock;
event PresaleStarted(uint blockNumber);
event PresaleUnlimitedStarted(uint blockNumber);
event CrowdsaleStarted(uint blockNumber);
event CrowdsaleEnded(uint blockNumber);
event ErrorSendingETH(address to, uint amount);
event MinCapReached(uint blockNumber);
event MaxCapReached(uint blockNumber);
IToken token = IToken(0x0);
uint ethToTokenConversion;
uint public minCap;
uint public maxP1Cap;
uint public maxCap;
uint public ethRaised;
address public multisigAddress;
uint nextContributorToClaim;
mapping(address => bool) hasClaimedEthWhenFail;
uint maxTokenSupply;
bool ownerHasClaimedTokens;
uint cofounditReward;
address cofounditAddress;
address cofounditColdStorage;
bool cofounditHasClaimedTokens;
//
// Unnamed function that runs when eth is sent to the contract
//
function() noReentrancy payable{
require(msg.value != 0); // Throw if value is 0
require(crowdsaleState != state.crowdsaleEnded);// Check if crowdsale has ended
bool stateChanged = checkCrowdsaleState(); // Check blocks and calibrate crowdsale state
if (crowdsaleState == state.priorityPass){
if (contributorList[msg.sender].isActive){ // Check if contributor is in priorityPass
processTransaction(msg.sender, msg.value); // Process transaction and issue tokens
}else{
refundTransaction(stateChanged); // Set state and return funds or throw
}
}
else if(crowdsaleState == state.openedPriorityPass){
if (contributorList[msg.sender].isActive){ // Check if contributor is in priorityPass
processTransaction(msg.sender, msg.value); // Process transaction and issue tokens
}else{
refundTransaction(stateChanged); // Set state and return funds or throw
}
}
else if(crowdsaleState == state.crowdsale){
processTransaction(msg.sender, msg.value); // Process transaction and issue tokens
}
else{
refundTransaction(stateChanged); // Set state and return funds or throw
}
}
//
// Check crowdsale state and calibrate it
//
function checkCrowdsaleState() internal returns (bool){
if (ethRaised == maxCap && crowdsaleState != state.crowdsaleEnded){ // Check if max cap is reached
crowdsaleState = state.crowdsaleEnded;
MaxCapReached(block.number); // Close the crowdsale
CrowdsaleEnded(block.number); // Raise event
return true;
}
if (block.number > presaleStartBlock && block.number <= presaleUnlimitedStartBlock){ // Check if we are in presale phase
if (crowdsaleState != state.priorityPass){ // Check if state needs to be changed
crowdsaleState = state.priorityPass; // Set new state
PresaleStarted(block.number); // Raise event
return true;
}
}else if(block.number > presaleUnlimitedStartBlock && block.number <= crowdsaleStartBlock){ // Check if we are in presale unlimited phase
if (crowdsaleState != state.openedPriorityPass){ // Check if state needs to be changed
crowdsaleState = state.openedPriorityPass; // Set new state
PresaleUnlimitedStarted(block.number); // Raise event
return true;
}
}else if(block.number > crowdsaleStartBlock && block.number <= crowdsaleEndedBlock){ // Check if we are in crowdsale state
if (crowdsaleState != state.crowdsale){ // Check if state needs to be changed
crowdsaleState = state.crowdsale; // Set new state
CrowdsaleStarted(block.number); // Raise event
return true;
}
}else{
if (crowdsaleState != state.crowdsaleEnded && block.number > crowdsaleEndedBlock){ // Check if crowdsale is over
crowdsaleState = state.crowdsaleEnded; // Set new state
CrowdsaleEnded(block.number); // Raise event
return true;
}
}
return false;
}
//
// Decide if throw or only return ether
//
function refundTransaction(bool _stateChanged) internal{
if (_stateChanged){
msg.sender.transfer(msg.value);
}else{
revert();
}
}
//
// Calculate how much user can contribute
//
function calculateMaxContribution(address _contributor) constant returns (uint maxContribution){
uint maxContrib;
if (crowdsaleState == state.priorityPass){ // Check if we are in priority pass
maxContrib = contributorList[_contributor].priorityPassAllowance - contributorList[_contributor].contributionAmount;
if (maxContrib > (maxP1Cap - ethRaised)){ // Check if max contribution is more that max cap
maxContrib = maxP1Cap - ethRaised; // Alter max cap
}
}
else{
maxContrib = maxCap - ethRaised; // Alter max cap
}
return maxContrib;
}
//
// Issue tokens and return if there is overflow
//
function processTransaction(address _contributor, uint _amount) internal{
uint maxContribution = calculateMaxContribution(_contributor); // Calculate max users contribution
uint contributionAmount = _amount;
uint returnAmount = 0;
if (maxContribution < _amount){ // Check if max contribution is lower than _amount sent
contributionAmount = maxContribution; // Set that user contibutes his maximum alowed contribution
returnAmount = _amount - maxContribution; // Calculate howmuch he must get back
}
if (ethRaised + contributionAmount > minCap && minCap > ethRaised) MinCapReached(block.number);
if (contributorList[_contributor].isActive == false){ // Check if contributor has already contributed
contributorList[_contributor].isActive = true; // Set his activity to true
contributorList[_contributor].contributionAmount = contributionAmount; // Set his contribution
contributorIndexes[nextContributorIndex] = _contributor; // Set contributors index
nextContributorIndex++;
}
else{
contributorList[_contributor].contributionAmount += contributionAmount; // Add contribution amount to existing contributor
}
ethRaised += contributionAmount; // Add to eth raised
uint tokenAmount = contributionAmount * ethToTokenConversion; // Calculate how much tokens must contributor get
if (tokenAmount > 0){
token.mintTokens(_contributor, tokenAmount); // Issue new tokens
contributorList[_contributor].tokensIssued += tokenAmount; // log token issuance
}
if (returnAmount != 0) _contributor.transfer(returnAmount); // Return overflow of ether
}
//
// Push contributor data to the contract before the crowdsale so that they are eligible for priorit pass
//
function editContributors(address[] _contributorAddresses, uint[] _contributorPPAllowances) onlyOwner{
require(_contributorAddresses.length == _contributorPPAllowances.length); // Check if input data is correct
for(uint cnt = 0; cnt < _contributorAddresses.length; cnt++){
if (contributorList[_contributorAddresses[cnt]].isActive){
contributorList[_contributorAddresses[cnt]].priorityPassAllowance = _contributorPPAllowances[cnt];
}
else{
contributorList[_contributorAddresses[cnt]].isActive = true;
contributorList[_contributorAddresses[cnt]].priorityPassAllowance = _contributorPPAllowances[cnt];
contributorIndexes[nextContributorIndex] = _contributorAddresses[cnt];
nextContributorIndex++;
}
}
}
//
// Method is needed for recovering tokens accedentaly sent to token address
//
function salvageTokensFromContract(address _tokenAddress, address _to, uint _amount) onlyOwner{
IERC20Token(_tokenAddress).transfer(_to, _amount);
}
//
// withdrawEth when minimum cap is reached
//
function withdrawEth() onlyOwner{
require(this.balance != 0);
require(ethRaised >= minCap);
pendingEthWithdrawal = this.balance;
}
uint pendingEthWithdrawal;
function pullBalance(){
require(msg.sender == multisigAddress);
require(pendingEthWithdrawal > 0);
multisigAddress.transfer(pendingEthWithdrawal);
pendingEthWithdrawal = 0;
}
//
// Users can claim their contribution if min cap is not raised
//
function claimEthIfFailed(){
require(block.number > crowdsaleEndedBlock && ethRaised < minCap); // Check if crowdsale has failed
require(contributorList[msg.sender].contributionAmount > 0); // Check if contributor has contributed to crowdsaleEndedBlock
require(!hasClaimedEthWhenFail[msg.sender]); // Check if contributor has already claimed his eth
uint ethContributed = contributorList[msg.sender].contributionAmount; // Get contributors contribution
hasClaimedEthWhenFail[msg.sender] = true; // Set that he has claimed
if (!msg.sender.send(ethContributed)){ // Refund eth
ErrorSendingETH(msg.sender, ethContributed); // If there is an issue raise event for manual recovery
}
}
//
// Owner can batch return contributors contributions(eth)
//
function batchReturnEthIfFailed(uint _numberOfReturns) onlyOwner{
require(block.number > crowdsaleEndedBlock && ethRaised < minCap); // Check if crowdsale has failed
address currentParticipantAddress;
uint contribution;
for (uint cnt = 0; cnt < _numberOfReturns; cnt++){
currentParticipantAddress = contributorIndexes[nextContributorToClaim]; // Get next unclaimed participant
if (currentParticipantAddress == 0x0) return; // Check if all the participants were compensated
if (!hasClaimedEthWhenFail[currentParticipantAddress]) { // Check if participant has already claimed
contribution = contributorList[currentParticipantAddress].contributionAmount; // Get contribution of participant
hasClaimedEthWhenFail[currentParticipantAddress] = true; // Set that he has claimed
if (!currentParticipantAddress.send(contribution)){ // Refund eth
ErrorSendingETH(currentParticipantAddress, contribution); // If there is an issue raise event for manual recovery
}
}
nextContributorToClaim += 1; // Repeat
}
}
//
// If there were any issue/attach with refund owner can withraw eth at the end for manual recovery
//
function withdrawRemainingBalanceForManualRecovery() onlyOwner{
require(this.balance != 0); // Check if there are any eth to claim
require(block.number > crowdsaleEndedBlock); // Check if crowdsale is over
require(contributorIndexes[nextContributorToClaim] == 0x0); // Check if all the users were refunded
multisigAddress.transfer(this.balance); // Withdraw to multisig
}
//
// Owner can set multisig address for crowdsale
//
function setMultisigAddress(address _newAddress) onlyOwner{
multisigAddress = _newAddress;
}
//
// Owner can set token address where mints will happen
//
function setToken(address _newAddress) onlyOwner{
token = IToken(_newAddress);
}
//
// Owner can claim teams tokens when crowdsale has successfully ended
//
function claimCoreTeamsTokens(address _to) onlyOwner{
require(crowdsaleState == state.crowdsaleEnded); // Check if crowdsale has ended
require(!ownerHasClaimedTokens); // Check if owner has allready claimed tokens
uint devReward = maxTokenSupply - token.totalSupply();
if (!cofounditHasClaimedTokens) devReward -= cofounditReward; // If cofoundit has claimed tokens its ok if not set aside cofounditReward
token.mintTokens(_to, devReward); // Issue Teams tokens
ownerHasClaimedTokens = true; // Block further mints from this method
}
//
// Cofoundit can claim their tokens
//
function claimCofounditTokens(){
require(msg.sender == cofounditAddress); // Check if sender is cofoundit
require(crowdsaleState == state.crowdsaleEnded); // Check if crowdsale has ended
require(!cofounditHasClaimedTokens); // Check if cofoundit has allready claimed tokens
token.mintTokens(cofounditColdStorage, cofounditReward); // Issue cofoundit tokens
cofounditHasClaimedTokens = true; // Block further mints from this method
}
function getTokenAddress() constant returns(address){
return address(token);
}
//
// Before crowdsale starts owner can calibrate blocks of crowdsale stages
//
function setCrowdsaleBlocks(uint _presaleStartBlock, uint _presaleUnlimitedStartBlock, uint _crowdsaleStartBlock, uint _crowdsaleEndedBlock) onlyOwner{
require(crowdsaleState == state.pendingStart); // Check if crowdsale has started
require(_presaleStartBlock != 0); // Check if any value is 0
require(_presaleStartBlock < _presaleUnlimitedStartBlock); // Check if presaleUnlimitedStartBlock is set properly
require(_presaleUnlimitedStartBlock != 0); // Check if any value is 0
require(_presaleUnlimitedStartBlock < _crowdsaleStartBlock); // Check if crowdsaleStartBlock is set properly
require(_crowdsaleStartBlock != 0); // Check if any value is 0
require(_crowdsaleStartBlock < _crowdsaleEndedBlock); // Check if crowdsaleEndedBlock is set properly
require(_crowdsaleEndedBlock != 0); // Check if any value is 0
presaleStartBlock = _presaleStartBlock;
presaleUnlimitedStartBlock = _presaleUnlimitedStartBlock;
crowdsaleStartBlock = _crowdsaleStartBlock;
crowdsaleEndedBlock = _crowdsaleEndedBlock;
}
} | salvageTokensFromContract | function salvageTokensFromContract(address _tokenAddress, address _to, uint _amount) onlyOwner{
IERC20Token(_tokenAddress).transfer(_to, _amount);
}
| //
// Method is needed for recovering tokens accedentaly sent to token address
// | LineComment | v0.4.16+commit.d7661dd9 | bzzr://ff2415ea20052542e44eecc0b9e20c01f2afed4b77fb89f3252b0fa9c88ab9ec | {
"func_code_index": [
9328,
9487
]
} | 4,642 |
|||
DPPCrowdsale | DPPCrowdsale.sol | 0x6f0d792b540afa2c8772b9ba4805e7436ad8413e | Solidity | Crowdsale | contract Crowdsale is ReentrnacyHandlingContract, Owned{
struct ContributorData{
uint priorityPassAllowance;
bool isActive;
uint contributionAmount;
uint tokensIssued;
}
mapping(address => ContributorData) public contributorList;
uint nextContributorIndex;
mapping(uint => address) contributorIndexes;
state public crowdsaleState = state.pendingStart;
enum state { pendingStart, priorityPass, openedPriorityPass, crowdsale, crowdsaleEnded }
uint public presaleStartBlock;
uint public presaleUnlimitedStartBlock;
uint public crowdsaleStartBlock;
uint public crowdsaleEndedBlock;
event PresaleStarted(uint blockNumber);
event PresaleUnlimitedStarted(uint blockNumber);
event CrowdsaleStarted(uint blockNumber);
event CrowdsaleEnded(uint blockNumber);
event ErrorSendingETH(address to, uint amount);
event MinCapReached(uint blockNumber);
event MaxCapReached(uint blockNumber);
IToken token = IToken(0x0);
uint ethToTokenConversion;
uint public minCap;
uint public maxP1Cap;
uint public maxCap;
uint public ethRaised;
address public multisigAddress;
uint nextContributorToClaim;
mapping(address => bool) hasClaimedEthWhenFail;
uint maxTokenSupply;
bool ownerHasClaimedTokens;
uint cofounditReward;
address cofounditAddress;
address cofounditColdStorage;
bool cofounditHasClaimedTokens;
//
// Unnamed function that runs when eth is sent to the contract
//
function() noReentrancy payable{
require(msg.value != 0); // Throw if value is 0
require(crowdsaleState != state.crowdsaleEnded);// Check if crowdsale has ended
bool stateChanged = checkCrowdsaleState(); // Check blocks and calibrate crowdsale state
if (crowdsaleState == state.priorityPass){
if (contributorList[msg.sender].isActive){ // Check if contributor is in priorityPass
processTransaction(msg.sender, msg.value); // Process transaction and issue tokens
}else{
refundTransaction(stateChanged); // Set state and return funds or throw
}
}
else if(crowdsaleState == state.openedPriorityPass){
if (contributorList[msg.sender].isActive){ // Check if contributor is in priorityPass
processTransaction(msg.sender, msg.value); // Process transaction and issue tokens
}else{
refundTransaction(stateChanged); // Set state and return funds or throw
}
}
else if(crowdsaleState == state.crowdsale){
processTransaction(msg.sender, msg.value); // Process transaction and issue tokens
}
else{
refundTransaction(stateChanged); // Set state and return funds or throw
}
}
//
// Check crowdsale state and calibrate it
//
function checkCrowdsaleState() internal returns (bool){
if (ethRaised == maxCap && crowdsaleState != state.crowdsaleEnded){ // Check if max cap is reached
crowdsaleState = state.crowdsaleEnded;
MaxCapReached(block.number); // Close the crowdsale
CrowdsaleEnded(block.number); // Raise event
return true;
}
if (block.number > presaleStartBlock && block.number <= presaleUnlimitedStartBlock){ // Check if we are in presale phase
if (crowdsaleState != state.priorityPass){ // Check if state needs to be changed
crowdsaleState = state.priorityPass; // Set new state
PresaleStarted(block.number); // Raise event
return true;
}
}else if(block.number > presaleUnlimitedStartBlock && block.number <= crowdsaleStartBlock){ // Check if we are in presale unlimited phase
if (crowdsaleState != state.openedPriorityPass){ // Check if state needs to be changed
crowdsaleState = state.openedPriorityPass; // Set new state
PresaleUnlimitedStarted(block.number); // Raise event
return true;
}
}else if(block.number > crowdsaleStartBlock && block.number <= crowdsaleEndedBlock){ // Check if we are in crowdsale state
if (crowdsaleState != state.crowdsale){ // Check if state needs to be changed
crowdsaleState = state.crowdsale; // Set new state
CrowdsaleStarted(block.number); // Raise event
return true;
}
}else{
if (crowdsaleState != state.crowdsaleEnded && block.number > crowdsaleEndedBlock){ // Check if crowdsale is over
crowdsaleState = state.crowdsaleEnded; // Set new state
CrowdsaleEnded(block.number); // Raise event
return true;
}
}
return false;
}
//
// Decide if throw or only return ether
//
function refundTransaction(bool _stateChanged) internal{
if (_stateChanged){
msg.sender.transfer(msg.value);
}else{
revert();
}
}
//
// Calculate how much user can contribute
//
function calculateMaxContribution(address _contributor) constant returns (uint maxContribution){
uint maxContrib;
if (crowdsaleState == state.priorityPass){ // Check if we are in priority pass
maxContrib = contributorList[_contributor].priorityPassAllowance - contributorList[_contributor].contributionAmount;
if (maxContrib > (maxP1Cap - ethRaised)){ // Check if max contribution is more that max cap
maxContrib = maxP1Cap - ethRaised; // Alter max cap
}
}
else{
maxContrib = maxCap - ethRaised; // Alter max cap
}
return maxContrib;
}
//
// Issue tokens and return if there is overflow
//
function processTransaction(address _contributor, uint _amount) internal{
uint maxContribution = calculateMaxContribution(_contributor); // Calculate max users contribution
uint contributionAmount = _amount;
uint returnAmount = 0;
if (maxContribution < _amount){ // Check if max contribution is lower than _amount sent
contributionAmount = maxContribution; // Set that user contibutes his maximum alowed contribution
returnAmount = _amount - maxContribution; // Calculate howmuch he must get back
}
if (ethRaised + contributionAmount > minCap && minCap > ethRaised) MinCapReached(block.number);
if (contributorList[_contributor].isActive == false){ // Check if contributor has already contributed
contributorList[_contributor].isActive = true; // Set his activity to true
contributorList[_contributor].contributionAmount = contributionAmount; // Set his contribution
contributorIndexes[nextContributorIndex] = _contributor; // Set contributors index
nextContributorIndex++;
}
else{
contributorList[_contributor].contributionAmount += contributionAmount; // Add contribution amount to existing contributor
}
ethRaised += contributionAmount; // Add to eth raised
uint tokenAmount = contributionAmount * ethToTokenConversion; // Calculate how much tokens must contributor get
if (tokenAmount > 0){
token.mintTokens(_contributor, tokenAmount); // Issue new tokens
contributorList[_contributor].tokensIssued += tokenAmount; // log token issuance
}
if (returnAmount != 0) _contributor.transfer(returnAmount); // Return overflow of ether
}
//
// Push contributor data to the contract before the crowdsale so that they are eligible for priorit pass
//
function editContributors(address[] _contributorAddresses, uint[] _contributorPPAllowances) onlyOwner{
require(_contributorAddresses.length == _contributorPPAllowances.length); // Check if input data is correct
for(uint cnt = 0; cnt < _contributorAddresses.length; cnt++){
if (contributorList[_contributorAddresses[cnt]].isActive){
contributorList[_contributorAddresses[cnt]].priorityPassAllowance = _contributorPPAllowances[cnt];
}
else{
contributorList[_contributorAddresses[cnt]].isActive = true;
contributorList[_contributorAddresses[cnt]].priorityPassAllowance = _contributorPPAllowances[cnt];
contributorIndexes[nextContributorIndex] = _contributorAddresses[cnt];
nextContributorIndex++;
}
}
}
//
// Method is needed for recovering tokens accedentaly sent to token address
//
function salvageTokensFromContract(address _tokenAddress, address _to, uint _amount) onlyOwner{
IERC20Token(_tokenAddress).transfer(_to, _amount);
}
//
// withdrawEth when minimum cap is reached
//
function withdrawEth() onlyOwner{
require(this.balance != 0);
require(ethRaised >= minCap);
pendingEthWithdrawal = this.balance;
}
uint pendingEthWithdrawal;
function pullBalance(){
require(msg.sender == multisigAddress);
require(pendingEthWithdrawal > 0);
multisigAddress.transfer(pendingEthWithdrawal);
pendingEthWithdrawal = 0;
}
//
// Users can claim their contribution if min cap is not raised
//
function claimEthIfFailed(){
require(block.number > crowdsaleEndedBlock && ethRaised < minCap); // Check if crowdsale has failed
require(contributorList[msg.sender].contributionAmount > 0); // Check if contributor has contributed to crowdsaleEndedBlock
require(!hasClaimedEthWhenFail[msg.sender]); // Check if contributor has already claimed his eth
uint ethContributed = contributorList[msg.sender].contributionAmount; // Get contributors contribution
hasClaimedEthWhenFail[msg.sender] = true; // Set that he has claimed
if (!msg.sender.send(ethContributed)){ // Refund eth
ErrorSendingETH(msg.sender, ethContributed); // If there is an issue raise event for manual recovery
}
}
//
// Owner can batch return contributors contributions(eth)
//
function batchReturnEthIfFailed(uint _numberOfReturns) onlyOwner{
require(block.number > crowdsaleEndedBlock && ethRaised < minCap); // Check if crowdsale has failed
address currentParticipantAddress;
uint contribution;
for (uint cnt = 0; cnt < _numberOfReturns; cnt++){
currentParticipantAddress = contributorIndexes[nextContributorToClaim]; // Get next unclaimed participant
if (currentParticipantAddress == 0x0) return; // Check if all the participants were compensated
if (!hasClaimedEthWhenFail[currentParticipantAddress]) { // Check if participant has already claimed
contribution = contributorList[currentParticipantAddress].contributionAmount; // Get contribution of participant
hasClaimedEthWhenFail[currentParticipantAddress] = true; // Set that he has claimed
if (!currentParticipantAddress.send(contribution)){ // Refund eth
ErrorSendingETH(currentParticipantAddress, contribution); // If there is an issue raise event for manual recovery
}
}
nextContributorToClaim += 1; // Repeat
}
}
//
// If there were any issue/attach with refund owner can withraw eth at the end for manual recovery
//
function withdrawRemainingBalanceForManualRecovery() onlyOwner{
require(this.balance != 0); // Check if there are any eth to claim
require(block.number > crowdsaleEndedBlock); // Check if crowdsale is over
require(contributorIndexes[nextContributorToClaim] == 0x0); // Check if all the users were refunded
multisigAddress.transfer(this.balance); // Withdraw to multisig
}
//
// Owner can set multisig address for crowdsale
//
function setMultisigAddress(address _newAddress) onlyOwner{
multisigAddress = _newAddress;
}
//
// Owner can set token address where mints will happen
//
function setToken(address _newAddress) onlyOwner{
token = IToken(_newAddress);
}
//
// Owner can claim teams tokens when crowdsale has successfully ended
//
function claimCoreTeamsTokens(address _to) onlyOwner{
require(crowdsaleState == state.crowdsaleEnded); // Check if crowdsale has ended
require(!ownerHasClaimedTokens); // Check if owner has allready claimed tokens
uint devReward = maxTokenSupply - token.totalSupply();
if (!cofounditHasClaimedTokens) devReward -= cofounditReward; // If cofoundit has claimed tokens its ok if not set aside cofounditReward
token.mintTokens(_to, devReward); // Issue Teams tokens
ownerHasClaimedTokens = true; // Block further mints from this method
}
//
// Cofoundit can claim their tokens
//
function claimCofounditTokens(){
require(msg.sender == cofounditAddress); // Check if sender is cofoundit
require(crowdsaleState == state.crowdsaleEnded); // Check if crowdsale has ended
require(!cofounditHasClaimedTokens); // Check if cofoundit has allready claimed tokens
token.mintTokens(cofounditColdStorage, cofounditReward); // Issue cofoundit tokens
cofounditHasClaimedTokens = true; // Block further mints from this method
}
function getTokenAddress() constant returns(address){
return address(token);
}
//
// Before crowdsale starts owner can calibrate blocks of crowdsale stages
//
function setCrowdsaleBlocks(uint _presaleStartBlock, uint _presaleUnlimitedStartBlock, uint _crowdsaleStartBlock, uint _crowdsaleEndedBlock) onlyOwner{
require(crowdsaleState == state.pendingStart); // Check if crowdsale has started
require(_presaleStartBlock != 0); // Check if any value is 0
require(_presaleStartBlock < _presaleUnlimitedStartBlock); // Check if presaleUnlimitedStartBlock is set properly
require(_presaleUnlimitedStartBlock != 0); // Check if any value is 0
require(_presaleUnlimitedStartBlock < _crowdsaleStartBlock); // Check if crowdsaleStartBlock is set properly
require(_crowdsaleStartBlock != 0); // Check if any value is 0
require(_crowdsaleStartBlock < _crowdsaleEndedBlock); // Check if crowdsaleEndedBlock is set properly
require(_crowdsaleEndedBlock != 0); // Check if any value is 0
presaleStartBlock = _presaleStartBlock;
presaleUnlimitedStartBlock = _presaleUnlimitedStartBlock;
crowdsaleStartBlock = _crowdsaleStartBlock;
crowdsaleEndedBlock = _crowdsaleEndedBlock;
}
} | withdrawEth | function withdrawEth() onlyOwner{
require(this.balance != 0);
require(ethRaised >= minCap);
pendingEthWithdrawal = this.balance;
}
| //
// withdrawEth when minimum cap is reached
// | LineComment | v0.4.16+commit.d7661dd9 | bzzr://ff2415ea20052542e44eecc0b9e20c01f2afed4b77fb89f3252b0fa9c88ab9ec | {
"func_code_index": [
9548,
9701
]
} | 4,643 |
|||
DPPCrowdsale | DPPCrowdsale.sol | 0x6f0d792b540afa2c8772b9ba4805e7436ad8413e | Solidity | Crowdsale | contract Crowdsale is ReentrnacyHandlingContract, Owned{
struct ContributorData{
uint priorityPassAllowance;
bool isActive;
uint contributionAmount;
uint tokensIssued;
}
mapping(address => ContributorData) public contributorList;
uint nextContributorIndex;
mapping(uint => address) contributorIndexes;
state public crowdsaleState = state.pendingStart;
enum state { pendingStart, priorityPass, openedPriorityPass, crowdsale, crowdsaleEnded }
uint public presaleStartBlock;
uint public presaleUnlimitedStartBlock;
uint public crowdsaleStartBlock;
uint public crowdsaleEndedBlock;
event PresaleStarted(uint blockNumber);
event PresaleUnlimitedStarted(uint blockNumber);
event CrowdsaleStarted(uint blockNumber);
event CrowdsaleEnded(uint blockNumber);
event ErrorSendingETH(address to, uint amount);
event MinCapReached(uint blockNumber);
event MaxCapReached(uint blockNumber);
IToken token = IToken(0x0);
uint ethToTokenConversion;
uint public minCap;
uint public maxP1Cap;
uint public maxCap;
uint public ethRaised;
address public multisigAddress;
uint nextContributorToClaim;
mapping(address => bool) hasClaimedEthWhenFail;
uint maxTokenSupply;
bool ownerHasClaimedTokens;
uint cofounditReward;
address cofounditAddress;
address cofounditColdStorage;
bool cofounditHasClaimedTokens;
//
// Unnamed function that runs when eth is sent to the contract
//
function() noReentrancy payable{
require(msg.value != 0); // Throw if value is 0
require(crowdsaleState != state.crowdsaleEnded);// Check if crowdsale has ended
bool stateChanged = checkCrowdsaleState(); // Check blocks and calibrate crowdsale state
if (crowdsaleState == state.priorityPass){
if (contributorList[msg.sender].isActive){ // Check if contributor is in priorityPass
processTransaction(msg.sender, msg.value); // Process transaction and issue tokens
}else{
refundTransaction(stateChanged); // Set state and return funds or throw
}
}
else if(crowdsaleState == state.openedPriorityPass){
if (contributorList[msg.sender].isActive){ // Check if contributor is in priorityPass
processTransaction(msg.sender, msg.value); // Process transaction and issue tokens
}else{
refundTransaction(stateChanged); // Set state and return funds or throw
}
}
else if(crowdsaleState == state.crowdsale){
processTransaction(msg.sender, msg.value); // Process transaction and issue tokens
}
else{
refundTransaction(stateChanged); // Set state and return funds or throw
}
}
//
// Check crowdsale state and calibrate it
//
function checkCrowdsaleState() internal returns (bool){
if (ethRaised == maxCap && crowdsaleState != state.crowdsaleEnded){ // Check if max cap is reached
crowdsaleState = state.crowdsaleEnded;
MaxCapReached(block.number); // Close the crowdsale
CrowdsaleEnded(block.number); // Raise event
return true;
}
if (block.number > presaleStartBlock && block.number <= presaleUnlimitedStartBlock){ // Check if we are in presale phase
if (crowdsaleState != state.priorityPass){ // Check if state needs to be changed
crowdsaleState = state.priorityPass; // Set new state
PresaleStarted(block.number); // Raise event
return true;
}
}else if(block.number > presaleUnlimitedStartBlock && block.number <= crowdsaleStartBlock){ // Check if we are in presale unlimited phase
if (crowdsaleState != state.openedPriorityPass){ // Check if state needs to be changed
crowdsaleState = state.openedPriorityPass; // Set new state
PresaleUnlimitedStarted(block.number); // Raise event
return true;
}
}else if(block.number > crowdsaleStartBlock && block.number <= crowdsaleEndedBlock){ // Check if we are in crowdsale state
if (crowdsaleState != state.crowdsale){ // Check if state needs to be changed
crowdsaleState = state.crowdsale; // Set new state
CrowdsaleStarted(block.number); // Raise event
return true;
}
}else{
if (crowdsaleState != state.crowdsaleEnded && block.number > crowdsaleEndedBlock){ // Check if crowdsale is over
crowdsaleState = state.crowdsaleEnded; // Set new state
CrowdsaleEnded(block.number); // Raise event
return true;
}
}
return false;
}
//
// Decide if throw or only return ether
//
function refundTransaction(bool _stateChanged) internal{
if (_stateChanged){
msg.sender.transfer(msg.value);
}else{
revert();
}
}
//
// Calculate how much user can contribute
//
function calculateMaxContribution(address _contributor) constant returns (uint maxContribution){
uint maxContrib;
if (crowdsaleState == state.priorityPass){ // Check if we are in priority pass
maxContrib = contributorList[_contributor].priorityPassAllowance - contributorList[_contributor].contributionAmount;
if (maxContrib > (maxP1Cap - ethRaised)){ // Check if max contribution is more that max cap
maxContrib = maxP1Cap - ethRaised; // Alter max cap
}
}
else{
maxContrib = maxCap - ethRaised; // Alter max cap
}
return maxContrib;
}
//
// Issue tokens and return if there is overflow
//
function processTransaction(address _contributor, uint _amount) internal{
uint maxContribution = calculateMaxContribution(_contributor); // Calculate max users contribution
uint contributionAmount = _amount;
uint returnAmount = 0;
if (maxContribution < _amount){ // Check if max contribution is lower than _amount sent
contributionAmount = maxContribution; // Set that user contibutes his maximum alowed contribution
returnAmount = _amount - maxContribution; // Calculate howmuch he must get back
}
if (ethRaised + contributionAmount > minCap && minCap > ethRaised) MinCapReached(block.number);
if (contributorList[_contributor].isActive == false){ // Check if contributor has already contributed
contributorList[_contributor].isActive = true; // Set his activity to true
contributorList[_contributor].contributionAmount = contributionAmount; // Set his contribution
contributorIndexes[nextContributorIndex] = _contributor; // Set contributors index
nextContributorIndex++;
}
else{
contributorList[_contributor].contributionAmount += contributionAmount; // Add contribution amount to existing contributor
}
ethRaised += contributionAmount; // Add to eth raised
uint tokenAmount = contributionAmount * ethToTokenConversion; // Calculate how much tokens must contributor get
if (tokenAmount > 0){
token.mintTokens(_contributor, tokenAmount); // Issue new tokens
contributorList[_contributor].tokensIssued += tokenAmount; // log token issuance
}
if (returnAmount != 0) _contributor.transfer(returnAmount); // Return overflow of ether
}
//
// Push contributor data to the contract before the crowdsale so that they are eligible for priorit pass
//
function editContributors(address[] _contributorAddresses, uint[] _contributorPPAllowances) onlyOwner{
require(_contributorAddresses.length == _contributorPPAllowances.length); // Check if input data is correct
for(uint cnt = 0; cnt < _contributorAddresses.length; cnt++){
if (contributorList[_contributorAddresses[cnt]].isActive){
contributorList[_contributorAddresses[cnt]].priorityPassAllowance = _contributorPPAllowances[cnt];
}
else{
contributorList[_contributorAddresses[cnt]].isActive = true;
contributorList[_contributorAddresses[cnt]].priorityPassAllowance = _contributorPPAllowances[cnt];
contributorIndexes[nextContributorIndex] = _contributorAddresses[cnt];
nextContributorIndex++;
}
}
}
//
// Method is needed for recovering tokens accedentaly sent to token address
//
function salvageTokensFromContract(address _tokenAddress, address _to, uint _amount) onlyOwner{
IERC20Token(_tokenAddress).transfer(_to, _amount);
}
//
// withdrawEth when minimum cap is reached
//
function withdrawEth() onlyOwner{
require(this.balance != 0);
require(ethRaised >= minCap);
pendingEthWithdrawal = this.balance;
}
uint pendingEthWithdrawal;
function pullBalance(){
require(msg.sender == multisigAddress);
require(pendingEthWithdrawal > 0);
multisigAddress.transfer(pendingEthWithdrawal);
pendingEthWithdrawal = 0;
}
//
// Users can claim their contribution if min cap is not raised
//
function claimEthIfFailed(){
require(block.number > crowdsaleEndedBlock && ethRaised < minCap); // Check if crowdsale has failed
require(contributorList[msg.sender].contributionAmount > 0); // Check if contributor has contributed to crowdsaleEndedBlock
require(!hasClaimedEthWhenFail[msg.sender]); // Check if contributor has already claimed his eth
uint ethContributed = contributorList[msg.sender].contributionAmount; // Get contributors contribution
hasClaimedEthWhenFail[msg.sender] = true; // Set that he has claimed
if (!msg.sender.send(ethContributed)){ // Refund eth
ErrorSendingETH(msg.sender, ethContributed); // If there is an issue raise event for manual recovery
}
}
//
// Owner can batch return contributors contributions(eth)
//
function batchReturnEthIfFailed(uint _numberOfReturns) onlyOwner{
require(block.number > crowdsaleEndedBlock && ethRaised < minCap); // Check if crowdsale has failed
address currentParticipantAddress;
uint contribution;
for (uint cnt = 0; cnt < _numberOfReturns; cnt++){
currentParticipantAddress = contributorIndexes[nextContributorToClaim]; // Get next unclaimed participant
if (currentParticipantAddress == 0x0) return; // Check if all the participants were compensated
if (!hasClaimedEthWhenFail[currentParticipantAddress]) { // Check if participant has already claimed
contribution = contributorList[currentParticipantAddress].contributionAmount; // Get contribution of participant
hasClaimedEthWhenFail[currentParticipantAddress] = true; // Set that he has claimed
if (!currentParticipantAddress.send(contribution)){ // Refund eth
ErrorSendingETH(currentParticipantAddress, contribution); // If there is an issue raise event for manual recovery
}
}
nextContributorToClaim += 1; // Repeat
}
}
//
// If there were any issue/attach with refund owner can withraw eth at the end for manual recovery
//
function withdrawRemainingBalanceForManualRecovery() onlyOwner{
require(this.balance != 0); // Check if there are any eth to claim
require(block.number > crowdsaleEndedBlock); // Check if crowdsale is over
require(contributorIndexes[nextContributorToClaim] == 0x0); // Check if all the users were refunded
multisigAddress.transfer(this.balance); // Withdraw to multisig
}
//
// Owner can set multisig address for crowdsale
//
function setMultisigAddress(address _newAddress) onlyOwner{
multisigAddress = _newAddress;
}
//
// Owner can set token address where mints will happen
//
function setToken(address _newAddress) onlyOwner{
token = IToken(_newAddress);
}
//
// Owner can claim teams tokens when crowdsale has successfully ended
//
function claimCoreTeamsTokens(address _to) onlyOwner{
require(crowdsaleState == state.crowdsaleEnded); // Check if crowdsale has ended
require(!ownerHasClaimedTokens); // Check if owner has allready claimed tokens
uint devReward = maxTokenSupply - token.totalSupply();
if (!cofounditHasClaimedTokens) devReward -= cofounditReward; // If cofoundit has claimed tokens its ok if not set aside cofounditReward
token.mintTokens(_to, devReward); // Issue Teams tokens
ownerHasClaimedTokens = true; // Block further mints from this method
}
//
// Cofoundit can claim their tokens
//
function claimCofounditTokens(){
require(msg.sender == cofounditAddress); // Check if sender is cofoundit
require(crowdsaleState == state.crowdsaleEnded); // Check if crowdsale has ended
require(!cofounditHasClaimedTokens); // Check if cofoundit has allready claimed tokens
token.mintTokens(cofounditColdStorage, cofounditReward); // Issue cofoundit tokens
cofounditHasClaimedTokens = true; // Block further mints from this method
}
function getTokenAddress() constant returns(address){
return address(token);
}
//
// Before crowdsale starts owner can calibrate blocks of crowdsale stages
//
function setCrowdsaleBlocks(uint _presaleStartBlock, uint _presaleUnlimitedStartBlock, uint _crowdsaleStartBlock, uint _crowdsaleEndedBlock) onlyOwner{
require(crowdsaleState == state.pendingStart); // Check if crowdsale has started
require(_presaleStartBlock != 0); // Check if any value is 0
require(_presaleStartBlock < _presaleUnlimitedStartBlock); // Check if presaleUnlimitedStartBlock is set properly
require(_presaleUnlimitedStartBlock != 0); // Check if any value is 0
require(_presaleUnlimitedStartBlock < _crowdsaleStartBlock); // Check if crowdsaleStartBlock is set properly
require(_crowdsaleStartBlock != 0); // Check if any value is 0
require(_crowdsaleStartBlock < _crowdsaleEndedBlock); // Check if crowdsaleEndedBlock is set properly
require(_crowdsaleEndedBlock != 0); // Check if any value is 0
presaleStartBlock = _presaleStartBlock;
presaleUnlimitedStartBlock = _presaleUnlimitedStartBlock;
crowdsaleStartBlock = _crowdsaleStartBlock;
crowdsaleEndedBlock = _crowdsaleEndedBlock;
}
} | claimEthIfFailed | function claimEthIfFailed(){
require(block.number > crowdsaleEndedBlock && ethRaised < minCap); // Check if crowdsale has failed
require(contributorList[msg.sender].contributionAmount > 0); // Check if contributor has contributed to crowdsaleEndedBlock
require(!hasClaimedEthWhenFail[msg.sender]); // Check if contributor has already claimed his eth
uint ethContributed = contributorList[msg.sender].contributionAmount; // Get contributors contribution
hasClaimedEthWhenFail[msg.sender] = true; // Set that he has claimed
if (!msg.sender.send(ethContributed)){ // Refund eth
ErrorSendingETH(msg.sender, ethContributed); // If there is an issue raise event for manual recovery
}
}
| //
// Users can claim their contribution if min cap is not raised
// | LineComment | v0.4.16+commit.d7661dd9 | bzzr://ff2415ea20052542e44eecc0b9e20c01f2afed4b77fb89f3252b0fa9c88ab9ec | {
"func_code_index": [
10015,
10863
]
} | 4,644 |
|||
DPPCrowdsale | DPPCrowdsale.sol | 0x6f0d792b540afa2c8772b9ba4805e7436ad8413e | Solidity | Crowdsale | contract Crowdsale is ReentrnacyHandlingContract, Owned{
struct ContributorData{
uint priorityPassAllowance;
bool isActive;
uint contributionAmount;
uint tokensIssued;
}
mapping(address => ContributorData) public contributorList;
uint nextContributorIndex;
mapping(uint => address) contributorIndexes;
state public crowdsaleState = state.pendingStart;
enum state { pendingStart, priorityPass, openedPriorityPass, crowdsale, crowdsaleEnded }
uint public presaleStartBlock;
uint public presaleUnlimitedStartBlock;
uint public crowdsaleStartBlock;
uint public crowdsaleEndedBlock;
event PresaleStarted(uint blockNumber);
event PresaleUnlimitedStarted(uint blockNumber);
event CrowdsaleStarted(uint blockNumber);
event CrowdsaleEnded(uint blockNumber);
event ErrorSendingETH(address to, uint amount);
event MinCapReached(uint blockNumber);
event MaxCapReached(uint blockNumber);
IToken token = IToken(0x0);
uint ethToTokenConversion;
uint public minCap;
uint public maxP1Cap;
uint public maxCap;
uint public ethRaised;
address public multisigAddress;
uint nextContributorToClaim;
mapping(address => bool) hasClaimedEthWhenFail;
uint maxTokenSupply;
bool ownerHasClaimedTokens;
uint cofounditReward;
address cofounditAddress;
address cofounditColdStorage;
bool cofounditHasClaimedTokens;
//
// Unnamed function that runs when eth is sent to the contract
//
function() noReentrancy payable{
require(msg.value != 0); // Throw if value is 0
require(crowdsaleState != state.crowdsaleEnded);// Check if crowdsale has ended
bool stateChanged = checkCrowdsaleState(); // Check blocks and calibrate crowdsale state
if (crowdsaleState == state.priorityPass){
if (contributorList[msg.sender].isActive){ // Check if contributor is in priorityPass
processTransaction(msg.sender, msg.value); // Process transaction and issue tokens
}else{
refundTransaction(stateChanged); // Set state and return funds or throw
}
}
else if(crowdsaleState == state.openedPriorityPass){
if (contributorList[msg.sender].isActive){ // Check if contributor is in priorityPass
processTransaction(msg.sender, msg.value); // Process transaction and issue tokens
}else{
refundTransaction(stateChanged); // Set state and return funds or throw
}
}
else if(crowdsaleState == state.crowdsale){
processTransaction(msg.sender, msg.value); // Process transaction and issue tokens
}
else{
refundTransaction(stateChanged); // Set state and return funds or throw
}
}
//
// Check crowdsale state and calibrate it
//
function checkCrowdsaleState() internal returns (bool){
if (ethRaised == maxCap && crowdsaleState != state.crowdsaleEnded){ // Check if max cap is reached
crowdsaleState = state.crowdsaleEnded;
MaxCapReached(block.number); // Close the crowdsale
CrowdsaleEnded(block.number); // Raise event
return true;
}
if (block.number > presaleStartBlock && block.number <= presaleUnlimitedStartBlock){ // Check if we are in presale phase
if (crowdsaleState != state.priorityPass){ // Check if state needs to be changed
crowdsaleState = state.priorityPass; // Set new state
PresaleStarted(block.number); // Raise event
return true;
}
}else if(block.number > presaleUnlimitedStartBlock && block.number <= crowdsaleStartBlock){ // Check if we are in presale unlimited phase
if (crowdsaleState != state.openedPriorityPass){ // Check if state needs to be changed
crowdsaleState = state.openedPriorityPass; // Set new state
PresaleUnlimitedStarted(block.number); // Raise event
return true;
}
}else if(block.number > crowdsaleStartBlock && block.number <= crowdsaleEndedBlock){ // Check if we are in crowdsale state
if (crowdsaleState != state.crowdsale){ // Check if state needs to be changed
crowdsaleState = state.crowdsale; // Set new state
CrowdsaleStarted(block.number); // Raise event
return true;
}
}else{
if (crowdsaleState != state.crowdsaleEnded && block.number > crowdsaleEndedBlock){ // Check if crowdsale is over
crowdsaleState = state.crowdsaleEnded; // Set new state
CrowdsaleEnded(block.number); // Raise event
return true;
}
}
return false;
}
//
// Decide if throw or only return ether
//
function refundTransaction(bool _stateChanged) internal{
if (_stateChanged){
msg.sender.transfer(msg.value);
}else{
revert();
}
}
//
// Calculate how much user can contribute
//
function calculateMaxContribution(address _contributor) constant returns (uint maxContribution){
uint maxContrib;
if (crowdsaleState == state.priorityPass){ // Check if we are in priority pass
maxContrib = contributorList[_contributor].priorityPassAllowance - contributorList[_contributor].contributionAmount;
if (maxContrib > (maxP1Cap - ethRaised)){ // Check if max contribution is more that max cap
maxContrib = maxP1Cap - ethRaised; // Alter max cap
}
}
else{
maxContrib = maxCap - ethRaised; // Alter max cap
}
return maxContrib;
}
//
// Issue tokens and return if there is overflow
//
function processTransaction(address _contributor, uint _amount) internal{
uint maxContribution = calculateMaxContribution(_contributor); // Calculate max users contribution
uint contributionAmount = _amount;
uint returnAmount = 0;
if (maxContribution < _amount){ // Check if max contribution is lower than _amount sent
contributionAmount = maxContribution; // Set that user contibutes his maximum alowed contribution
returnAmount = _amount - maxContribution; // Calculate howmuch he must get back
}
if (ethRaised + contributionAmount > minCap && minCap > ethRaised) MinCapReached(block.number);
if (contributorList[_contributor].isActive == false){ // Check if contributor has already contributed
contributorList[_contributor].isActive = true; // Set his activity to true
contributorList[_contributor].contributionAmount = contributionAmount; // Set his contribution
contributorIndexes[nextContributorIndex] = _contributor; // Set contributors index
nextContributorIndex++;
}
else{
contributorList[_contributor].contributionAmount += contributionAmount; // Add contribution amount to existing contributor
}
ethRaised += contributionAmount; // Add to eth raised
uint tokenAmount = contributionAmount * ethToTokenConversion; // Calculate how much tokens must contributor get
if (tokenAmount > 0){
token.mintTokens(_contributor, tokenAmount); // Issue new tokens
contributorList[_contributor].tokensIssued += tokenAmount; // log token issuance
}
if (returnAmount != 0) _contributor.transfer(returnAmount); // Return overflow of ether
}
//
// Push contributor data to the contract before the crowdsale so that they are eligible for priorit pass
//
function editContributors(address[] _contributorAddresses, uint[] _contributorPPAllowances) onlyOwner{
require(_contributorAddresses.length == _contributorPPAllowances.length); // Check if input data is correct
for(uint cnt = 0; cnt < _contributorAddresses.length; cnt++){
if (contributorList[_contributorAddresses[cnt]].isActive){
contributorList[_contributorAddresses[cnt]].priorityPassAllowance = _contributorPPAllowances[cnt];
}
else{
contributorList[_contributorAddresses[cnt]].isActive = true;
contributorList[_contributorAddresses[cnt]].priorityPassAllowance = _contributorPPAllowances[cnt];
contributorIndexes[nextContributorIndex] = _contributorAddresses[cnt];
nextContributorIndex++;
}
}
}
//
// Method is needed for recovering tokens accedentaly sent to token address
//
function salvageTokensFromContract(address _tokenAddress, address _to, uint _amount) onlyOwner{
IERC20Token(_tokenAddress).transfer(_to, _amount);
}
//
// withdrawEth when minimum cap is reached
//
function withdrawEth() onlyOwner{
require(this.balance != 0);
require(ethRaised >= minCap);
pendingEthWithdrawal = this.balance;
}
uint pendingEthWithdrawal;
function pullBalance(){
require(msg.sender == multisigAddress);
require(pendingEthWithdrawal > 0);
multisigAddress.transfer(pendingEthWithdrawal);
pendingEthWithdrawal = 0;
}
//
// Users can claim their contribution if min cap is not raised
//
function claimEthIfFailed(){
require(block.number > crowdsaleEndedBlock && ethRaised < minCap); // Check if crowdsale has failed
require(contributorList[msg.sender].contributionAmount > 0); // Check if contributor has contributed to crowdsaleEndedBlock
require(!hasClaimedEthWhenFail[msg.sender]); // Check if contributor has already claimed his eth
uint ethContributed = contributorList[msg.sender].contributionAmount; // Get contributors contribution
hasClaimedEthWhenFail[msg.sender] = true; // Set that he has claimed
if (!msg.sender.send(ethContributed)){ // Refund eth
ErrorSendingETH(msg.sender, ethContributed); // If there is an issue raise event for manual recovery
}
}
//
// Owner can batch return contributors contributions(eth)
//
function batchReturnEthIfFailed(uint _numberOfReturns) onlyOwner{
require(block.number > crowdsaleEndedBlock && ethRaised < minCap); // Check if crowdsale has failed
address currentParticipantAddress;
uint contribution;
for (uint cnt = 0; cnt < _numberOfReturns; cnt++){
currentParticipantAddress = contributorIndexes[nextContributorToClaim]; // Get next unclaimed participant
if (currentParticipantAddress == 0x0) return; // Check if all the participants were compensated
if (!hasClaimedEthWhenFail[currentParticipantAddress]) { // Check if participant has already claimed
contribution = contributorList[currentParticipantAddress].contributionAmount; // Get contribution of participant
hasClaimedEthWhenFail[currentParticipantAddress] = true; // Set that he has claimed
if (!currentParticipantAddress.send(contribution)){ // Refund eth
ErrorSendingETH(currentParticipantAddress, contribution); // If there is an issue raise event for manual recovery
}
}
nextContributorToClaim += 1; // Repeat
}
}
//
// If there were any issue/attach with refund owner can withraw eth at the end for manual recovery
//
function withdrawRemainingBalanceForManualRecovery() onlyOwner{
require(this.balance != 0); // Check if there are any eth to claim
require(block.number > crowdsaleEndedBlock); // Check if crowdsale is over
require(contributorIndexes[nextContributorToClaim] == 0x0); // Check if all the users were refunded
multisigAddress.transfer(this.balance); // Withdraw to multisig
}
//
// Owner can set multisig address for crowdsale
//
function setMultisigAddress(address _newAddress) onlyOwner{
multisigAddress = _newAddress;
}
//
// Owner can set token address where mints will happen
//
function setToken(address _newAddress) onlyOwner{
token = IToken(_newAddress);
}
//
// Owner can claim teams tokens when crowdsale has successfully ended
//
function claimCoreTeamsTokens(address _to) onlyOwner{
require(crowdsaleState == state.crowdsaleEnded); // Check if crowdsale has ended
require(!ownerHasClaimedTokens); // Check if owner has allready claimed tokens
uint devReward = maxTokenSupply - token.totalSupply();
if (!cofounditHasClaimedTokens) devReward -= cofounditReward; // If cofoundit has claimed tokens its ok if not set aside cofounditReward
token.mintTokens(_to, devReward); // Issue Teams tokens
ownerHasClaimedTokens = true; // Block further mints from this method
}
//
// Cofoundit can claim their tokens
//
function claimCofounditTokens(){
require(msg.sender == cofounditAddress); // Check if sender is cofoundit
require(crowdsaleState == state.crowdsaleEnded); // Check if crowdsale has ended
require(!cofounditHasClaimedTokens); // Check if cofoundit has allready claimed tokens
token.mintTokens(cofounditColdStorage, cofounditReward); // Issue cofoundit tokens
cofounditHasClaimedTokens = true; // Block further mints from this method
}
function getTokenAddress() constant returns(address){
return address(token);
}
//
// Before crowdsale starts owner can calibrate blocks of crowdsale stages
//
function setCrowdsaleBlocks(uint _presaleStartBlock, uint _presaleUnlimitedStartBlock, uint _crowdsaleStartBlock, uint _crowdsaleEndedBlock) onlyOwner{
require(crowdsaleState == state.pendingStart); // Check if crowdsale has started
require(_presaleStartBlock != 0); // Check if any value is 0
require(_presaleStartBlock < _presaleUnlimitedStartBlock); // Check if presaleUnlimitedStartBlock is set properly
require(_presaleUnlimitedStartBlock != 0); // Check if any value is 0
require(_presaleUnlimitedStartBlock < _crowdsaleStartBlock); // Check if crowdsaleStartBlock is set properly
require(_crowdsaleStartBlock != 0); // Check if any value is 0
require(_crowdsaleStartBlock < _crowdsaleEndedBlock); // Check if crowdsaleEndedBlock is set properly
require(_crowdsaleEndedBlock != 0); // Check if any value is 0
presaleStartBlock = _presaleStartBlock;
presaleUnlimitedStartBlock = _presaleUnlimitedStartBlock;
crowdsaleStartBlock = _crowdsaleStartBlock;
crowdsaleEndedBlock = _crowdsaleEndedBlock;
}
} | batchReturnEthIfFailed | function batchReturnEthIfFailed(uint _numberOfReturns) onlyOwner{
require(block.number > crowdsaleEndedBlock && ethRaised < minCap); // Check if crowdsale has failed
address currentParticipantAddress;
uint contribution;
for (uint cnt = 0; cnt < _numberOfReturns; cnt++){
currentParticipantAddress = contributorIndexes[nextContributorToClaim]; // Get next unclaimed participant
if (currentParticipantAddress == 0x0) return; // Check if all the participants were compensated
if (!hasClaimedEthWhenFail[currentParticipantAddress]) { // Check if participant has already claimed
contribution = contributorList[currentParticipantAddress].contributionAmount; // Get contribution of participant
hasClaimedEthWhenFail[currentParticipantAddress] = true; // Set that he has claimed
if (!currentParticipantAddress.send(contribution)){ // Refund eth
ErrorSendingETH(currentParticipantAddress, contribution); // If there is an issue raise event for manual recovery
}
}
nextContributorToClaim += 1; // Repeat
}
}
| //
// Owner can batch return contributors contributions(eth)
// | LineComment | v0.4.16+commit.d7661dd9 | bzzr://ff2415ea20052542e44eecc0b9e20c01f2afed4b77fb89f3252b0fa9c88ab9ec | {
"func_code_index": [
10939,
12245
]
} | 4,645 |
|||
DPPCrowdsale | DPPCrowdsale.sol | 0x6f0d792b540afa2c8772b9ba4805e7436ad8413e | Solidity | Crowdsale | contract Crowdsale is ReentrnacyHandlingContract, Owned{
struct ContributorData{
uint priorityPassAllowance;
bool isActive;
uint contributionAmount;
uint tokensIssued;
}
mapping(address => ContributorData) public contributorList;
uint nextContributorIndex;
mapping(uint => address) contributorIndexes;
state public crowdsaleState = state.pendingStart;
enum state { pendingStart, priorityPass, openedPriorityPass, crowdsale, crowdsaleEnded }
uint public presaleStartBlock;
uint public presaleUnlimitedStartBlock;
uint public crowdsaleStartBlock;
uint public crowdsaleEndedBlock;
event PresaleStarted(uint blockNumber);
event PresaleUnlimitedStarted(uint blockNumber);
event CrowdsaleStarted(uint blockNumber);
event CrowdsaleEnded(uint blockNumber);
event ErrorSendingETH(address to, uint amount);
event MinCapReached(uint blockNumber);
event MaxCapReached(uint blockNumber);
IToken token = IToken(0x0);
uint ethToTokenConversion;
uint public minCap;
uint public maxP1Cap;
uint public maxCap;
uint public ethRaised;
address public multisigAddress;
uint nextContributorToClaim;
mapping(address => bool) hasClaimedEthWhenFail;
uint maxTokenSupply;
bool ownerHasClaimedTokens;
uint cofounditReward;
address cofounditAddress;
address cofounditColdStorage;
bool cofounditHasClaimedTokens;
//
// Unnamed function that runs when eth is sent to the contract
//
function() noReentrancy payable{
require(msg.value != 0); // Throw if value is 0
require(crowdsaleState != state.crowdsaleEnded);// Check if crowdsale has ended
bool stateChanged = checkCrowdsaleState(); // Check blocks and calibrate crowdsale state
if (crowdsaleState == state.priorityPass){
if (contributorList[msg.sender].isActive){ // Check if contributor is in priorityPass
processTransaction(msg.sender, msg.value); // Process transaction and issue tokens
}else{
refundTransaction(stateChanged); // Set state and return funds or throw
}
}
else if(crowdsaleState == state.openedPriorityPass){
if (contributorList[msg.sender].isActive){ // Check if contributor is in priorityPass
processTransaction(msg.sender, msg.value); // Process transaction and issue tokens
}else{
refundTransaction(stateChanged); // Set state and return funds or throw
}
}
else if(crowdsaleState == state.crowdsale){
processTransaction(msg.sender, msg.value); // Process transaction and issue tokens
}
else{
refundTransaction(stateChanged); // Set state and return funds or throw
}
}
//
// Check crowdsale state and calibrate it
//
function checkCrowdsaleState() internal returns (bool){
if (ethRaised == maxCap && crowdsaleState != state.crowdsaleEnded){ // Check if max cap is reached
crowdsaleState = state.crowdsaleEnded;
MaxCapReached(block.number); // Close the crowdsale
CrowdsaleEnded(block.number); // Raise event
return true;
}
if (block.number > presaleStartBlock && block.number <= presaleUnlimitedStartBlock){ // Check if we are in presale phase
if (crowdsaleState != state.priorityPass){ // Check if state needs to be changed
crowdsaleState = state.priorityPass; // Set new state
PresaleStarted(block.number); // Raise event
return true;
}
}else if(block.number > presaleUnlimitedStartBlock && block.number <= crowdsaleStartBlock){ // Check if we are in presale unlimited phase
if (crowdsaleState != state.openedPriorityPass){ // Check if state needs to be changed
crowdsaleState = state.openedPriorityPass; // Set new state
PresaleUnlimitedStarted(block.number); // Raise event
return true;
}
}else if(block.number > crowdsaleStartBlock && block.number <= crowdsaleEndedBlock){ // Check if we are in crowdsale state
if (crowdsaleState != state.crowdsale){ // Check if state needs to be changed
crowdsaleState = state.crowdsale; // Set new state
CrowdsaleStarted(block.number); // Raise event
return true;
}
}else{
if (crowdsaleState != state.crowdsaleEnded && block.number > crowdsaleEndedBlock){ // Check if crowdsale is over
crowdsaleState = state.crowdsaleEnded; // Set new state
CrowdsaleEnded(block.number); // Raise event
return true;
}
}
return false;
}
//
// Decide if throw or only return ether
//
function refundTransaction(bool _stateChanged) internal{
if (_stateChanged){
msg.sender.transfer(msg.value);
}else{
revert();
}
}
//
// Calculate how much user can contribute
//
function calculateMaxContribution(address _contributor) constant returns (uint maxContribution){
uint maxContrib;
if (crowdsaleState == state.priorityPass){ // Check if we are in priority pass
maxContrib = contributorList[_contributor].priorityPassAllowance - contributorList[_contributor].contributionAmount;
if (maxContrib > (maxP1Cap - ethRaised)){ // Check if max contribution is more that max cap
maxContrib = maxP1Cap - ethRaised; // Alter max cap
}
}
else{
maxContrib = maxCap - ethRaised; // Alter max cap
}
return maxContrib;
}
//
// Issue tokens and return if there is overflow
//
function processTransaction(address _contributor, uint _amount) internal{
uint maxContribution = calculateMaxContribution(_contributor); // Calculate max users contribution
uint contributionAmount = _amount;
uint returnAmount = 0;
if (maxContribution < _amount){ // Check if max contribution is lower than _amount sent
contributionAmount = maxContribution; // Set that user contibutes his maximum alowed contribution
returnAmount = _amount - maxContribution; // Calculate howmuch he must get back
}
if (ethRaised + contributionAmount > minCap && minCap > ethRaised) MinCapReached(block.number);
if (contributorList[_contributor].isActive == false){ // Check if contributor has already contributed
contributorList[_contributor].isActive = true; // Set his activity to true
contributorList[_contributor].contributionAmount = contributionAmount; // Set his contribution
contributorIndexes[nextContributorIndex] = _contributor; // Set contributors index
nextContributorIndex++;
}
else{
contributorList[_contributor].contributionAmount += contributionAmount; // Add contribution amount to existing contributor
}
ethRaised += contributionAmount; // Add to eth raised
uint tokenAmount = contributionAmount * ethToTokenConversion; // Calculate how much tokens must contributor get
if (tokenAmount > 0){
token.mintTokens(_contributor, tokenAmount); // Issue new tokens
contributorList[_contributor].tokensIssued += tokenAmount; // log token issuance
}
if (returnAmount != 0) _contributor.transfer(returnAmount); // Return overflow of ether
}
//
// Push contributor data to the contract before the crowdsale so that they are eligible for priorit pass
//
function editContributors(address[] _contributorAddresses, uint[] _contributorPPAllowances) onlyOwner{
require(_contributorAddresses.length == _contributorPPAllowances.length); // Check if input data is correct
for(uint cnt = 0; cnt < _contributorAddresses.length; cnt++){
if (contributorList[_contributorAddresses[cnt]].isActive){
contributorList[_contributorAddresses[cnt]].priorityPassAllowance = _contributorPPAllowances[cnt];
}
else{
contributorList[_contributorAddresses[cnt]].isActive = true;
contributorList[_contributorAddresses[cnt]].priorityPassAllowance = _contributorPPAllowances[cnt];
contributorIndexes[nextContributorIndex] = _contributorAddresses[cnt];
nextContributorIndex++;
}
}
}
//
// Method is needed for recovering tokens accedentaly sent to token address
//
function salvageTokensFromContract(address _tokenAddress, address _to, uint _amount) onlyOwner{
IERC20Token(_tokenAddress).transfer(_to, _amount);
}
//
// withdrawEth when minimum cap is reached
//
function withdrawEth() onlyOwner{
require(this.balance != 0);
require(ethRaised >= minCap);
pendingEthWithdrawal = this.balance;
}
uint pendingEthWithdrawal;
function pullBalance(){
require(msg.sender == multisigAddress);
require(pendingEthWithdrawal > 0);
multisigAddress.transfer(pendingEthWithdrawal);
pendingEthWithdrawal = 0;
}
//
// Users can claim their contribution if min cap is not raised
//
function claimEthIfFailed(){
require(block.number > crowdsaleEndedBlock && ethRaised < minCap); // Check if crowdsale has failed
require(contributorList[msg.sender].contributionAmount > 0); // Check if contributor has contributed to crowdsaleEndedBlock
require(!hasClaimedEthWhenFail[msg.sender]); // Check if contributor has already claimed his eth
uint ethContributed = contributorList[msg.sender].contributionAmount; // Get contributors contribution
hasClaimedEthWhenFail[msg.sender] = true; // Set that he has claimed
if (!msg.sender.send(ethContributed)){ // Refund eth
ErrorSendingETH(msg.sender, ethContributed); // If there is an issue raise event for manual recovery
}
}
//
// Owner can batch return contributors contributions(eth)
//
function batchReturnEthIfFailed(uint _numberOfReturns) onlyOwner{
require(block.number > crowdsaleEndedBlock && ethRaised < minCap); // Check if crowdsale has failed
address currentParticipantAddress;
uint contribution;
for (uint cnt = 0; cnt < _numberOfReturns; cnt++){
currentParticipantAddress = contributorIndexes[nextContributorToClaim]; // Get next unclaimed participant
if (currentParticipantAddress == 0x0) return; // Check if all the participants were compensated
if (!hasClaimedEthWhenFail[currentParticipantAddress]) { // Check if participant has already claimed
contribution = contributorList[currentParticipantAddress].contributionAmount; // Get contribution of participant
hasClaimedEthWhenFail[currentParticipantAddress] = true; // Set that he has claimed
if (!currentParticipantAddress.send(contribution)){ // Refund eth
ErrorSendingETH(currentParticipantAddress, contribution); // If there is an issue raise event for manual recovery
}
}
nextContributorToClaim += 1; // Repeat
}
}
//
// If there were any issue/attach with refund owner can withraw eth at the end for manual recovery
//
function withdrawRemainingBalanceForManualRecovery() onlyOwner{
require(this.balance != 0); // Check if there are any eth to claim
require(block.number > crowdsaleEndedBlock); // Check if crowdsale is over
require(contributorIndexes[nextContributorToClaim] == 0x0); // Check if all the users were refunded
multisigAddress.transfer(this.balance); // Withdraw to multisig
}
//
// Owner can set multisig address for crowdsale
//
function setMultisigAddress(address _newAddress) onlyOwner{
multisigAddress = _newAddress;
}
//
// Owner can set token address where mints will happen
//
function setToken(address _newAddress) onlyOwner{
token = IToken(_newAddress);
}
//
// Owner can claim teams tokens when crowdsale has successfully ended
//
function claimCoreTeamsTokens(address _to) onlyOwner{
require(crowdsaleState == state.crowdsaleEnded); // Check if crowdsale has ended
require(!ownerHasClaimedTokens); // Check if owner has allready claimed tokens
uint devReward = maxTokenSupply - token.totalSupply();
if (!cofounditHasClaimedTokens) devReward -= cofounditReward; // If cofoundit has claimed tokens its ok if not set aside cofounditReward
token.mintTokens(_to, devReward); // Issue Teams tokens
ownerHasClaimedTokens = true; // Block further mints from this method
}
//
// Cofoundit can claim their tokens
//
function claimCofounditTokens(){
require(msg.sender == cofounditAddress); // Check if sender is cofoundit
require(crowdsaleState == state.crowdsaleEnded); // Check if crowdsale has ended
require(!cofounditHasClaimedTokens); // Check if cofoundit has allready claimed tokens
token.mintTokens(cofounditColdStorage, cofounditReward); // Issue cofoundit tokens
cofounditHasClaimedTokens = true; // Block further mints from this method
}
function getTokenAddress() constant returns(address){
return address(token);
}
//
// Before crowdsale starts owner can calibrate blocks of crowdsale stages
//
function setCrowdsaleBlocks(uint _presaleStartBlock, uint _presaleUnlimitedStartBlock, uint _crowdsaleStartBlock, uint _crowdsaleEndedBlock) onlyOwner{
require(crowdsaleState == state.pendingStart); // Check if crowdsale has started
require(_presaleStartBlock != 0); // Check if any value is 0
require(_presaleStartBlock < _presaleUnlimitedStartBlock); // Check if presaleUnlimitedStartBlock is set properly
require(_presaleUnlimitedStartBlock != 0); // Check if any value is 0
require(_presaleUnlimitedStartBlock < _crowdsaleStartBlock); // Check if crowdsaleStartBlock is set properly
require(_crowdsaleStartBlock != 0); // Check if any value is 0
require(_crowdsaleStartBlock < _crowdsaleEndedBlock); // Check if crowdsaleEndedBlock is set properly
require(_crowdsaleEndedBlock != 0); // Check if any value is 0
presaleStartBlock = _presaleStartBlock;
presaleUnlimitedStartBlock = _presaleUnlimitedStartBlock;
crowdsaleStartBlock = _crowdsaleStartBlock;
crowdsaleEndedBlock = _crowdsaleEndedBlock;
}
} | withdrawRemainingBalanceForManualRecovery | function withdrawRemainingBalanceForManualRecovery() onlyOwner{
require(this.balance != 0); // Check if there are any eth to claim
require(block.number > crowdsaleEndedBlock); // Check if crowdsale is over
require(contributorIndexes[nextContributorToClaim] == 0x0); // Check if all the users were refunded
multisigAddress.transfer(this.balance); // Withdraw to multisig
}
| //
// If there were any issue/attach with refund owner can withraw eth at the end for manual recovery
// | LineComment | v0.4.16+commit.d7661dd9 | bzzr://ff2415ea20052542e44eecc0b9e20c01f2afed4b77fb89f3252b0fa9c88ab9ec | {
"func_code_index": [
12362,
12830
]
} | 4,646 |
|||
DPPCrowdsale | DPPCrowdsale.sol | 0x6f0d792b540afa2c8772b9ba4805e7436ad8413e | Solidity | Crowdsale | contract Crowdsale is ReentrnacyHandlingContract, Owned{
struct ContributorData{
uint priorityPassAllowance;
bool isActive;
uint contributionAmount;
uint tokensIssued;
}
mapping(address => ContributorData) public contributorList;
uint nextContributorIndex;
mapping(uint => address) contributorIndexes;
state public crowdsaleState = state.pendingStart;
enum state { pendingStart, priorityPass, openedPriorityPass, crowdsale, crowdsaleEnded }
uint public presaleStartBlock;
uint public presaleUnlimitedStartBlock;
uint public crowdsaleStartBlock;
uint public crowdsaleEndedBlock;
event PresaleStarted(uint blockNumber);
event PresaleUnlimitedStarted(uint blockNumber);
event CrowdsaleStarted(uint blockNumber);
event CrowdsaleEnded(uint blockNumber);
event ErrorSendingETH(address to, uint amount);
event MinCapReached(uint blockNumber);
event MaxCapReached(uint blockNumber);
IToken token = IToken(0x0);
uint ethToTokenConversion;
uint public minCap;
uint public maxP1Cap;
uint public maxCap;
uint public ethRaised;
address public multisigAddress;
uint nextContributorToClaim;
mapping(address => bool) hasClaimedEthWhenFail;
uint maxTokenSupply;
bool ownerHasClaimedTokens;
uint cofounditReward;
address cofounditAddress;
address cofounditColdStorage;
bool cofounditHasClaimedTokens;
//
// Unnamed function that runs when eth is sent to the contract
//
function() noReentrancy payable{
require(msg.value != 0); // Throw if value is 0
require(crowdsaleState != state.crowdsaleEnded);// Check if crowdsale has ended
bool stateChanged = checkCrowdsaleState(); // Check blocks and calibrate crowdsale state
if (crowdsaleState == state.priorityPass){
if (contributorList[msg.sender].isActive){ // Check if contributor is in priorityPass
processTransaction(msg.sender, msg.value); // Process transaction and issue tokens
}else{
refundTransaction(stateChanged); // Set state and return funds or throw
}
}
else if(crowdsaleState == state.openedPriorityPass){
if (contributorList[msg.sender].isActive){ // Check if contributor is in priorityPass
processTransaction(msg.sender, msg.value); // Process transaction and issue tokens
}else{
refundTransaction(stateChanged); // Set state and return funds or throw
}
}
else if(crowdsaleState == state.crowdsale){
processTransaction(msg.sender, msg.value); // Process transaction and issue tokens
}
else{
refundTransaction(stateChanged); // Set state and return funds or throw
}
}
//
// Check crowdsale state and calibrate it
//
function checkCrowdsaleState() internal returns (bool){
if (ethRaised == maxCap && crowdsaleState != state.crowdsaleEnded){ // Check if max cap is reached
crowdsaleState = state.crowdsaleEnded;
MaxCapReached(block.number); // Close the crowdsale
CrowdsaleEnded(block.number); // Raise event
return true;
}
if (block.number > presaleStartBlock && block.number <= presaleUnlimitedStartBlock){ // Check if we are in presale phase
if (crowdsaleState != state.priorityPass){ // Check if state needs to be changed
crowdsaleState = state.priorityPass; // Set new state
PresaleStarted(block.number); // Raise event
return true;
}
}else if(block.number > presaleUnlimitedStartBlock && block.number <= crowdsaleStartBlock){ // Check if we are in presale unlimited phase
if (crowdsaleState != state.openedPriorityPass){ // Check if state needs to be changed
crowdsaleState = state.openedPriorityPass; // Set new state
PresaleUnlimitedStarted(block.number); // Raise event
return true;
}
}else if(block.number > crowdsaleStartBlock && block.number <= crowdsaleEndedBlock){ // Check if we are in crowdsale state
if (crowdsaleState != state.crowdsale){ // Check if state needs to be changed
crowdsaleState = state.crowdsale; // Set new state
CrowdsaleStarted(block.number); // Raise event
return true;
}
}else{
if (crowdsaleState != state.crowdsaleEnded && block.number > crowdsaleEndedBlock){ // Check if crowdsale is over
crowdsaleState = state.crowdsaleEnded; // Set new state
CrowdsaleEnded(block.number); // Raise event
return true;
}
}
return false;
}
//
// Decide if throw or only return ether
//
function refundTransaction(bool _stateChanged) internal{
if (_stateChanged){
msg.sender.transfer(msg.value);
}else{
revert();
}
}
//
// Calculate how much user can contribute
//
function calculateMaxContribution(address _contributor) constant returns (uint maxContribution){
uint maxContrib;
if (crowdsaleState == state.priorityPass){ // Check if we are in priority pass
maxContrib = contributorList[_contributor].priorityPassAllowance - contributorList[_contributor].contributionAmount;
if (maxContrib > (maxP1Cap - ethRaised)){ // Check if max contribution is more that max cap
maxContrib = maxP1Cap - ethRaised; // Alter max cap
}
}
else{
maxContrib = maxCap - ethRaised; // Alter max cap
}
return maxContrib;
}
//
// Issue tokens and return if there is overflow
//
function processTransaction(address _contributor, uint _amount) internal{
uint maxContribution = calculateMaxContribution(_contributor); // Calculate max users contribution
uint contributionAmount = _amount;
uint returnAmount = 0;
if (maxContribution < _amount){ // Check if max contribution is lower than _amount sent
contributionAmount = maxContribution; // Set that user contibutes his maximum alowed contribution
returnAmount = _amount - maxContribution; // Calculate howmuch he must get back
}
if (ethRaised + contributionAmount > minCap && minCap > ethRaised) MinCapReached(block.number);
if (contributorList[_contributor].isActive == false){ // Check if contributor has already contributed
contributorList[_contributor].isActive = true; // Set his activity to true
contributorList[_contributor].contributionAmount = contributionAmount; // Set his contribution
contributorIndexes[nextContributorIndex] = _contributor; // Set contributors index
nextContributorIndex++;
}
else{
contributorList[_contributor].contributionAmount += contributionAmount; // Add contribution amount to existing contributor
}
ethRaised += contributionAmount; // Add to eth raised
uint tokenAmount = contributionAmount * ethToTokenConversion; // Calculate how much tokens must contributor get
if (tokenAmount > 0){
token.mintTokens(_contributor, tokenAmount); // Issue new tokens
contributorList[_contributor].tokensIssued += tokenAmount; // log token issuance
}
if (returnAmount != 0) _contributor.transfer(returnAmount); // Return overflow of ether
}
//
// Push contributor data to the contract before the crowdsale so that they are eligible for priorit pass
//
function editContributors(address[] _contributorAddresses, uint[] _contributorPPAllowances) onlyOwner{
require(_contributorAddresses.length == _contributorPPAllowances.length); // Check if input data is correct
for(uint cnt = 0; cnt < _contributorAddresses.length; cnt++){
if (contributorList[_contributorAddresses[cnt]].isActive){
contributorList[_contributorAddresses[cnt]].priorityPassAllowance = _contributorPPAllowances[cnt];
}
else{
contributorList[_contributorAddresses[cnt]].isActive = true;
contributorList[_contributorAddresses[cnt]].priorityPassAllowance = _contributorPPAllowances[cnt];
contributorIndexes[nextContributorIndex] = _contributorAddresses[cnt];
nextContributorIndex++;
}
}
}
//
// Method is needed for recovering tokens accedentaly sent to token address
//
function salvageTokensFromContract(address _tokenAddress, address _to, uint _amount) onlyOwner{
IERC20Token(_tokenAddress).transfer(_to, _amount);
}
//
// withdrawEth when minimum cap is reached
//
function withdrawEth() onlyOwner{
require(this.balance != 0);
require(ethRaised >= minCap);
pendingEthWithdrawal = this.balance;
}
uint pendingEthWithdrawal;
function pullBalance(){
require(msg.sender == multisigAddress);
require(pendingEthWithdrawal > 0);
multisigAddress.transfer(pendingEthWithdrawal);
pendingEthWithdrawal = 0;
}
//
// Users can claim their contribution if min cap is not raised
//
function claimEthIfFailed(){
require(block.number > crowdsaleEndedBlock && ethRaised < minCap); // Check if crowdsale has failed
require(contributorList[msg.sender].contributionAmount > 0); // Check if contributor has contributed to crowdsaleEndedBlock
require(!hasClaimedEthWhenFail[msg.sender]); // Check if contributor has already claimed his eth
uint ethContributed = contributorList[msg.sender].contributionAmount; // Get contributors contribution
hasClaimedEthWhenFail[msg.sender] = true; // Set that he has claimed
if (!msg.sender.send(ethContributed)){ // Refund eth
ErrorSendingETH(msg.sender, ethContributed); // If there is an issue raise event for manual recovery
}
}
//
// Owner can batch return contributors contributions(eth)
//
function batchReturnEthIfFailed(uint _numberOfReturns) onlyOwner{
require(block.number > crowdsaleEndedBlock && ethRaised < minCap); // Check if crowdsale has failed
address currentParticipantAddress;
uint contribution;
for (uint cnt = 0; cnt < _numberOfReturns; cnt++){
currentParticipantAddress = contributorIndexes[nextContributorToClaim]; // Get next unclaimed participant
if (currentParticipantAddress == 0x0) return; // Check if all the participants were compensated
if (!hasClaimedEthWhenFail[currentParticipantAddress]) { // Check if participant has already claimed
contribution = contributorList[currentParticipantAddress].contributionAmount; // Get contribution of participant
hasClaimedEthWhenFail[currentParticipantAddress] = true; // Set that he has claimed
if (!currentParticipantAddress.send(contribution)){ // Refund eth
ErrorSendingETH(currentParticipantAddress, contribution); // If there is an issue raise event for manual recovery
}
}
nextContributorToClaim += 1; // Repeat
}
}
//
// If there were any issue/attach with refund owner can withraw eth at the end for manual recovery
//
function withdrawRemainingBalanceForManualRecovery() onlyOwner{
require(this.balance != 0); // Check if there are any eth to claim
require(block.number > crowdsaleEndedBlock); // Check if crowdsale is over
require(contributorIndexes[nextContributorToClaim] == 0x0); // Check if all the users were refunded
multisigAddress.transfer(this.balance); // Withdraw to multisig
}
//
// Owner can set multisig address for crowdsale
//
function setMultisigAddress(address _newAddress) onlyOwner{
multisigAddress = _newAddress;
}
//
// Owner can set token address where mints will happen
//
function setToken(address _newAddress) onlyOwner{
token = IToken(_newAddress);
}
//
// Owner can claim teams tokens when crowdsale has successfully ended
//
function claimCoreTeamsTokens(address _to) onlyOwner{
require(crowdsaleState == state.crowdsaleEnded); // Check if crowdsale has ended
require(!ownerHasClaimedTokens); // Check if owner has allready claimed tokens
uint devReward = maxTokenSupply - token.totalSupply();
if (!cofounditHasClaimedTokens) devReward -= cofounditReward; // If cofoundit has claimed tokens its ok if not set aside cofounditReward
token.mintTokens(_to, devReward); // Issue Teams tokens
ownerHasClaimedTokens = true; // Block further mints from this method
}
//
// Cofoundit can claim their tokens
//
function claimCofounditTokens(){
require(msg.sender == cofounditAddress); // Check if sender is cofoundit
require(crowdsaleState == state.crowdsaleEnded); // Check if crowdsale has ended
require(!cofounditHasClaimedTokens); // Check if cofoundit has allready claimed tokens
token.mintTokens(cofounditColdStorage, cofounditReward); // Issue cofoundit tokens
cofounditHasClaimedTokens = true; // Block further mints from this method
}
function getTokenAddress() constant returns(address){
return address(token);
}
//
// Before crowdsale starts owner can calibrate blocks of crowdsale stages
//
function setCrowdsaleBlocks(uint _presaleStartBlock, uint _presaleUnlimitedStartBlock, uint _crowdsaleStartBlock, uint _crowdsaleEndedBlock) onlyOwner{
require(crowdsaleState == state.pendingStart); // Check if crowdsale has started
require(_presaleStartBlock != 0); // Check if any value is 0
require(_presaleStartBlock < _presaleUnlimitedStartBlock); // Check if presaleUnlimitedStartBlock is set properly
require(_presaleUnlimitedStartBlock != 0); // Check if any value is 0
require(_presaleUnlimitedStartBlock < _crowdsaleStartBlock); // Check if crowdsaleStartBlock is set properly
require(_crowdsaleStartBlock != 0); // Check if any value is 0
require(_crowdsaleStartBlock < _crowdsaleEndedBlock); // Check if crowdsaleEndedBlock is set properly
require(_crowdsaleEndedBlock != 0); // Check if any value is 0
presaleStartBlock = _presaleStartBlock;
presaleUnlimitedStartBlock = _presaleUnlimitedStartBlock;
crowdsaleStartBlock = _crowdsaleStartBlock;
crowdsaleEndedBlock = _crowdsaleEndedBlock;
}
} | setMultisigAddress | function setMultisigAddress(address _newAddress) onlyOwner{
multisigAddress = _newAddress;
}
| //
// Owner can set multisig address for crowdsale
// | LineComment | v0.4.16+commit.d7661dd9 | bzzr://ff2415ea20052542e44eecc0b9e20c01f2afed4b77fb89f3252b0fa9c88ab9ec | {
"func_code_index": [
12896,
12999
]
} | 4,647 |
|||
DPPCrowdsale | DPPCrowdsale.sol | 0x6f0d792b540afa2c8772b9ba4805e7436ad8413e | Solidity | Crowdsale | contract Crowdsale is ReentrnacyHandlingContract, Owned{
struct ContributorData{
uint priorityPassAllowance;
bool isActive;
uint contributionAmount;
uint tokensIssued;
}
mapping(address => ContributorData) public contributorList;
uint nextContributorIndex;
mapping(uint => address) contributorIndexes;
state public crowdsaleState = state.pendingStart;
enum state { pendingStart, priorityPass, openedPriorityPass, crowdsale, crowdsaleEnded }
uint public presaleStartBlock;
uint public presaleUnlimitedStartBlock;
uint public crowdsaleStartBlock;
uint public crowdsaleEndedBlock;
event PresaleStarted(uint blockNumber);
event PresaleUnlimitedStarted(uint blockNumber);
event CrowdsaleStarted(uint blockNumber);
event CrowdsaleEnded(uint blockNumber);
event ErrorSendingETH(address to, uint amount);
event MinCapReached(uint blockNumber);
event MaxCapReached(uint blockNumber);
IToken token = IToken(0x0);
uint ethToTokenConversion;
uint public minCap;
uint public maxP1Cap;
uint public maxCap;
uint public ethRaised;
address public multisigAddress;
uint nextContributorToClaim;
mapping(address => bool) hasClaimedEthWhenFail;
uint maxTokenSupply;
bool ownerHasClaimedTokens;
uint cofounditReward;
address cofounditAddress;
address cofounditColdStorage;
bool cofounditHasClaimedTokens;
//
// Unnamed function that runs when eth is sent to the contract
//
function() noReentrancy payable{
require(msg.value != 0); // Throw if value is 0
require(crowdsaleState != state.crowdsaleEnded);// Check if crowdsale has ended
bool stateChanged = checkCrowdsaleState(); // Check blocks and calibrate crowdsale state
if (crowdsaleState == state.priorityPass){
if (contributorList[msg.sender].isActive){ // Check if contributor is in priorityPass
processTransaction(msg.sender, msg.value); // Process transaction and issue tokens
}else{
refundTransaction(stateChanged); // Set state and return funds or throw
}
}
else if(crowdsaleState == state.openedPriorityPass){
if (contributorList[msg.sender].isActive){ // Check if contributor is in priorityPass
processTransaction(msg.sender, msg.value); // Process transaction and issue tokens
}else{
refundTransaction(stateChanged); // Set state and return funds or throw
}
}
else if(crowdsaleState == state.crowdsale){
processTransaction(msg.sender, msg.value); // Process transaction and issue tokens
}
else{
refundTransaction(stateChanged); // Set state and return funds or throw
}
}
//
// Check crowdsale state and calibrate it
//
function checkCrowdsaleState() internal returns (bool){
if (ethRaised == maxCap && crowdsaleState != state.crowdsaleEnded){ // Check if max cap is reached
crowdsaleState = state.crowdsaleEnded;
MaxCapReached(block.number); // Close the crowdsale
CrowdsaleEnded(block.number); // Raise event
return true;
}
if (block.number > presaleStartBlock && block.number <= presaleUnlimitedStartBlock){ // Check if we are in presale phase
if (crowdsaleState != state.priorityPass){ // Check if state needs to be changed
crowdsaleState = state.priorityPass; // Set new state
PresaleStarted(block.number); // Raise event
return true;
}
}else if(block.number > presaleUnlimitedStartBlock && block.number <= crowdsaleStartBlock){ // Check if we are in presale unlimited phase
if (crowdsaleState != state.openedPriorityPass){ // Check if state needs to be changed
crowdsaleState = state.openedPriorityPass; // Set new state
PresaleUnlimitedStarted(block.number); // Raise event
return true;
}
}else if(block.number > crowdsaleStartBlock && block.number <= crowdsaleEndedBlock){ // Check if we are in crowdsale state
if (crowdsaleState != state.crowdsale){ // Check if state needs to be changed
crowdsaleState = state.crowdsale; // Set new state
CrowdsaleStarted(block.number); // Raise event
return true;
}
}else{
if (crowdsaleState != state.crowdsaleEnded && block.number > crowdsaleEndedBlock){ // Check if crowdsale is over
crowdsaleState = state.crowdsaleEnded; // Set new state
CrowdsaleEnded(block.number); // Raise event
return true;
}
}
return false;
}
//
// Decide if throw or only return ether
//
function refundTransaction(bool _stateChanged) internal{
if (_stateChanged){
msg.sender.transfer(msg.value);
}else{
revert();
}
}
//
// Calculate how much user can contribute
//
function calculateMaxContribution(address _contributor) constant returns (uint maxContribution){
uint maxContrib;
if (crowdsaleState == state.priorityPass){ // Check if we are in priority pass
maxContrib = contributorList[_contributor].priorityPassAllowance - contributorList[_contributor].contributionAmount;
if (maxContrib > (maxP1Cap - ethRaised)){ // Check if max contribution is more that max cap
maxContrib = maxP1Cap - ethRaised; // Alter max cap
}
}
else{
maxContrib = maxCap - ethRaised; // Alter max cap
}
return maxContrib;
}
//
// Issue tokens and return if there is overflow
//
function processTransaction(address _contributor, uint _amount) internal{
uint maxContribution = calculateMaxContribution(_contributor); // Calculate max users contribution
uint contributionAmount = _amount;
uint returnAmount = 0;
if (maxContribution < _amount){ // Check if max contribution is lower than _amount sent
contributionAmount = maxContribution; // Set that user contibutes his maximum alowed contribution
returnAmount = _amount - maxContribution; // Calculate howmuch he must get back
}
if (ethRaised + contributionAmount > minCap && minCap > ethRaised) MinCapReached(block.number);
if (contributorList[_contributor].isActive == false){ // Check if contributor has already contributed
contributorList[_contributor].isActive = true; // Set his activity to true
contributorList[_contributor].contributionAmount = contributionAmount; // Set his contribution
contributorIndexes[nextContributorIndex] = _contributor; // Set contributors index
nextContributorIndex++;
}
else{
contributorList[_contributor].contributionAmount += contributionAmount; // Add contribution amount to existing contributor
}
ethRaised += contributionAmount; // Add to eth raised
uint tokenAmount = contributionAmount * ethToTokenConversion; // Calculate how much tokens must contributor get
if (tokenAmount > 0){
token.mintTokens(_contributor, tokenAmount); // Issue new tokens
contributorList[_contributor].tokensIssued += tokenAmount; // log token issuance
}
if (returnAmount != 0) _contributor.transfer(returnAmount); // Return overflow of ether
}
//
// Push contributor data to the contract before the crowdsale so that they are eligible for priorit pass
//
function editContributors(address[] _contributorAddresses, uint[] _contributorPPAllowances) onlyOwner{
require(_contributorAddresses.length == _contributorPPAllowances.length); // Check if input data is correct
for(uint cnt = 0; cnt < _contributorAddresses.length; cnt++){
if (contributorList[_contributorAddresses[cnt]].isActive){
contributorList[_contributorAddresses[cnt]].priorityPassAllowance = _contributorPPAllowances[cnt];
}
else{
contributorList[_contributorAddresses[cnt]].isActive = true;
contributorList[_contributorAddresses[cnt]].priorityPassAllowance = _contributorPPAllowances[cnt];
contributorIndexes[nextContributorIndex] = _contributorAddresses[cnt];
nextContributorIndex++;
}
}
}
//
// Method is needed for recovering tokens accedentaly sent to token address
//
function salvageTokensFromContract(address _tokenAddress, address _to, uint _amount) onlyOwner{
IERC20Token(_tokenAddress).transfer(_to, _amount);
}
//
// withdrawEth when minimum cap is reached
//
function withdrawEth() onlyOwner{
require(this.balance != 0);
require(ethRaised >= minCap);
pendingEthWithdrawal = this.balance;
}
uint pendingEthWithdrawal;
function pullBalance(){
require(msg.sender == multisigAddress);
require(pendingEthWithdrawal > 0);
multisigAddress.transfer(pendingEthWithdrawal);
pendingEthWithdrawal = 0;
}
//
// Users can claim their contribution if min cap is not raised
//
function claimEthIfFailed(){
require(block.number > crowdsaleEndedBlock && ethRaised < minCap); // Check if crowdsale has failed
require(contributorList[msg.sender].contributionAmount > 0); // Check if contributor has contributed to crowdsaleEndedBlock
require(!hasClaimedEthWhenFail[msg.sender]); // Check if contributor has already claimed his eth
uint ethContributed = contributorList[msg.sender].contributionAmount; // Get contributors contribution
hasClaimedEthWhenFail[msg.sender] = true; // Set that he has claimed
if (!msg.sender.send(ethContributed)){ // Refund eth
ErrorSendingETH(msg.sender, ethContributed); // If there is an issue raise event for manual recovery
}
}
//
// Owner can batch return contributors contributions(eth)
//
function batchReturnEthIfFailed(uint _numberOfReturns) onlyOwner{
require(block.number > crowdsaleEndedBlock && ethRaised < minCap); // Check if crowdsale has failed
address currentParticipantAddress;
uint contribution;
for (uint cnt = 0; cnt < _numberOfReturns; cnt++){
currentParticipantAddress = contributorIndexes[nextContributorToClaim]; // Get next unclaimed participant
if (currentParticipantAddress == 0x0) return; // Check if all the participants were compensated
if (!hasClaimedEthWhenFail[currentParticipantAddress]) { // Check if participant has already claimed
contribution = contributorList[currentParticipantAddress].contributionAmount; // Get contribution of participant
hasClaimedEthWhenFail[currentParticipantAddress] = true; // Set that he has claimed
if (!currentParticipantAddress.send(contribution)){ // Refund eth
ErrorSendingETH(currentParticipantAddress, contribution); // If there is an issue raise event for manual recovery
}
}
nextContributorToClaim += 1; // Repeat
}
}
//
// If there were any issue/attach with refund owner can withraw eth at the end for manual recovery
//
function withdrawRemainingBalanceForManualRecovery() onlyOwner{
require(this.balance != 0); // Check if there are any eth to claim
require(block.number > crowdsaleEndedBlock); // Check if crowdsale is over
require(contributorIndexes[nextContributorToClaim] == 0x0); // Check if all the users were refunded
multisigAddress.transfer(this.balance); // Withdraw to multisig
}
//
// Owner can set multisig address for crowdsale
//
function setMultisigAddress(address _newAddress) onlyOwner{
multisigAddress = _newAddress;
}
//
// Owner can set token address where mints will happen
//
function setToken(address _newAddress) onlyOwner{
token = IToken(_newAddress);
}
//
// Owner can claim teams tokens when crowdsale has successfully ended
//
function claimCoreTeamsTokens(address _to) onlyOwner{
require(crowdsaleState == state.crowdsaleEnded); // Check if crowdsale has ended
require(!ownerHasClaimedTokens); // Check if owner has allready claimed tokens
uint devReward = maxTokenSupply - token.totalSupply();
if (!cofounditHasClaimedTokens) devReward -= cofounditReward; // If cofoundit has claimed tokens its ok if not set aside cofounditReward
token.mintTokens(_to, devReward); // Issue Teams tokens
ownerHasClaimedTokens = true; // Block further mints from this method
}
//
// Cofoundit can claim their tokens
//
function claimCofounditTokens(){
require(msg.sender == cofounditAddress); // Check if sender is cofoundit
require(crowdsaleState == state.crowdsaleEnded); // Check if crowdsale has ended
require(!cofounditHasClaimedTokens); // Check if cofoundit has allready claimed tokens
token.mintTokens(cofounditColdStorage, cofounditReward); // Issue cofoundit tokens
cofounditHasClaimedTokens = true; // Block further mints from this method
}
function getTokenAddress() constant returns(address){
return address(token);
}
//
// Before crowdsale starts owner can calibrate blocks of crowdsale stages
//
function setCrowdsaleBlocks(uint _presaleStartBlock, uint _presaleUnlimitedStartBlock, uint _crowdsaleStartBlock, uint _crowdsaleEndedBlock) onlyOwner{
require(crowdsaleState == state.pendingStart); // Check if crowdsale has started
require(_presaleStartBlock != 0); // Check if any value is 0
require(_presaleStartBlock < _presaleUnlimitedStartBlock); // Check if presaleUnlimitedStartBlock is set properly
require(_presaleUnlimitedStartBlock != 0); // Check if any value is 0
require(_presaleUnlimitedStartBlock < _crowdsaleStartBlock); // Check if crowdsaleStartBlock is set properly
require(_crowdsaleStartBlock != 0); // Check if any value is 0
require(_crowdsaleStartBlock < _crowdsaleEndedBlock); // Check if crowdsaleEndedBlock is set properly
require(_crowdsaleEndedBlock != 0); // Check if any value is 0
presaleStartBlock = _presaleStartBlock;
presaleUnlimitedStartBlock = _presaleUnlimitedStartBlock;
crowdsaleStartBlock = _crowdsaleStartBlock;
crowdsaleEndedBlock = _crowdsaleEndedBlock;
}
} | setToken | function setToken(address _newAddress) onlyOwner{
token = IToken(_newAddress);
}
| //
// Owner can set token address where mints will happen
// | LineComment | v0.4.16+commit.d7661dd9 | bzzr://ff2415ea20052542e44eecc0b9e20c01f2afed4b77fb89f3252b0fa9c88ab9ec | {
"func_code_index": [
13072,
13163
]
} | 4,648 |
|||
DPPCrowdsale | DPPCrowdsale.sol | 0x6f0d792b540afa2c8772b9ba4805e7436ad8413e | Solidity | Crowdsale | contract Crowdsale is ReentrnacyHandlingContract, Owned{
struct ContributorData{
uint priorityPassAllowance;
bool isActive;
uint contributionAmount;
uint tokensIssued;
}
mapping(address => ContributorData) public contributorList;
uint nextContributorIndex;
mapping(uint => address) contributorIndexes;
state public crowdsaleState = state.pendingStart;
enum state { pendingStart, priorityPass, openedPriorityPass, crowdsale, crowdsaleEnded }
uint public presaleStartBlock;
uint public presaleUnlimitedStartBlock;
uint public crowdsaleStartBlock;
uint public crowdsaleEndedBlock;
event PresaleStarted(uint blockNumber);
event PresaleUnlimitedStarted(uint blockNumber);
event CrowdsaleStarted(uint blockNumber);
event CrowdsaleEnded(uint blockNumber);
event ErrorSendingETH(address to, uint amount);
event MinCapReached(uint blockNumber);
event MaxCapReached(uint blockNumber);
IToken token = IToken(0x0);
uint ethToTokenConversion;
uint public minCap;
uint public maxP1Cap;
uint public maxCap;
uint public ethRaised;
address public multisigAddress;
uint nextContributorToClaim;
mapping(address => bool) hasClaimedEthWhenFail;
uint maxTokenSupply;
bool ownerHasClaimedTokens;
uint cofounditReward;
address cofounditAddress;
address cofounditColdStorage;
bool cofounditHasClaimedTokens;
//
// Unnamed function that runs when eth is sent to the contract
//
function() noReentrancy payable{
require(msg.value != 0); // Throw if value is 0
require(crowdsaleState != state.crowdsaleEnded);// Check if crowdsale has ended
bool stateChanged = checkCrowdsaleState(); // Check blocks and calibrate crowdsale state
if (crowdsaleState == state.priorityPass){
if (contributorList[msg.sender].isActive){ // Check if contributor is in priorityPass
processTransaction(msg.sender, msg.value); // Process transaction and issue tokens
}else{
refundTransaction(stateChanged); // Set state and return funds or throw
}
}
else if(crowdsaleState == state.openedPriorityPass){
if (contributorList[msg.sender].isActive){ // Check if contributor is in priorityPass
processTransaction(msg.sender, msg.value); // Process transaction and issue tokens
}else{
refundTransaction(stateChanged); // Set state and return funds or throw
}
}
else if(crowdsaleState == state.crowdsale){
processTransaction(msg.sender, msg.value); // Process transaction and issue tokens
}
else{
refundTransaction(stateChanged); // Set state and return funds or throw
}
}
//
// Check crowdsale state and calibrate it
//
function checkCrowdsaleState() internal returns (bool){
if (ethRaised == maxCap && crowdsaleState != state.crowdsaleEnded){ // Check if max cap is reached
crowdsaleState = state.crowdsaleEnded;
MaxCapReached(block.number); // Close the crowdsale
CrowdsaleEnded(block.number); // Raise event
return true;
}
if (block.number > presaleStartBlock && block.number <= presaleUnlimitedStartBlock){ // Check if we are in presale phase
if (crowdsaleState != state.priorityPass){ // Check if state needs to be changed
crowdsaleState = state.priorityPass; // Set new state
PresaleStarted(block.number); // Raise event
return true;
}
}else if(block.number > presaleUnlimitedStartBlock && block.number <= crowdsaleStartBlock){ // Check if we are in presale unlimited phase
if (crowdsaleState != state.openedPriorityPass){ // Check if state needs to be changed
crowdsaleState = state.openedPriorityPass; // Set new state
PresaleUnlimitedStarted(block.number); // Raise event
return true;
}
}else if(block.number > crowdsaleStartBlock && block.number <= crowdsaleEndedBlock){ // Check if we are in crowdsale state
if (crowdsaleState != state.crowdsale){ // Check if state needs to be changed
crowdsaleState = state.crowdsale; // Set new state
CrowdsaleStarted(block.number); // Raise event
return true;
}
}else{
if (crowdsaleState != state.crowdsaleEnded && block.number > crowdsaleEndedBlock){ // Check if crowdsale is over
crowdsaleState = state.crowdsaleEnded; // Set new state
CrowdsaleEnded(block.number); // Raise event
return true;
}
}
return false;
}
//
// Decide if throw or only return ether
//
function refundTransaction(bool _stateChanged) internal{
if (_stateChanged){
msg.sender.transfer(msg.value);
}else{
revert();
}
}
//
// Calculate how much user can contribute
//
function calculateMaxContribution(address _contributor) constant returns (uint maxContribution){
uint maxContrib;
if (crowdsaleState == state.priorityPass){ // Check if we are in priority pass
maxContrib = contributorList[_contributor].priorityPassAllowance - contributorList[_contributor].contributionAmount;
if (maxContrib > (maxP1Cap - ethRaised)){ // Check if max contribution is more that max cap
maxContrib = maxP1Cap - ethRaised; // Alter max cap
}
}
else{
maxContrib = maxCap - ethRaised; // Alter max cap
}
return maxContrib;
}
//
// Issue tokens and return if there is overflow
//
function processTransaction(address _contributor, uint _amount) internal{
uint maxContribution = calculateMaxContribution(_contributor); // Calculate max users contribution
uint contributionAmount = _amount;
uint returnAmount = 0;
if (maxContribution < _amount){ // Check if max contribution is lower than _amount sent
contributionAmount = maxContribution; // Set that user contibutes his maximum alowed contribution
returnAmount = _amount - maxContribution; // Calculate howmuch he must get back
}
if (ethRaised + contributionAmount > minCap && minCap > ethRaised) MinCapReached(block.number);
if (contributorList[_contributor].isActive == false){ // Check if contributor has already contributed
contributorList[_contributor].isActive = true; // Set his activity to true
contributorList[_contributor].contributionAmount = contributionAmount; // Set his contribution
contributorIndexes[nextContributorIndex] = _contributor; // Set contributors index
nextContributorIndex++;
}
else{
contributorList[_contributor].contributionAmount += contributionAmount; // Add contribution amount to existing contributor
}
ethRaised += contributionAmount; // Add to eth raised
uint tokenAmount = contributionAmount * ethToTokenConversion; // Calculate how much tokens must contributor get
if (tokenAmount > 0){
token.mintTokens(_contributor, tokenAmount); // Issue new tokens
contributorList[_contributor].tokensIssued += tokenAmount; // log token issuance
}
if (returnAmount != 0) _contributor.transfer(returnAmount); // Return overflow of ether
}
//
// Push contributor data to the contract before the crowdsale so that they are eligible for priorit pass
//
function editContributors(address[] _contributorAddresses, uint[] _contributorPPAllowances) onlyOwner{
require(_contributorAddresses.length == _contributorPPAllowances.length); // Check if input data is correct
for(uint cnt = 0; cnt < _contributorAddresses.length; cnt++){
if (contributorList[_contributorAddresses[cnt]].isActive){
contributorList[_contributorAddresses[cnt]].priorityPassAllowance = _contributorPPAllowances[cnt];
}
else{
contributorList[_contributorAddresses[cnt]].isActive = true;
contributorList[_contributorAddresses[cnt]].priorityPassAllowance = _contributorPPAllowances[cnt];
contributorIndexes[nextContributorIndex] = _contributorAddresses[cnt];
nextContributorIndex++;
}
}
}
//
// Method is needed for recovering tokens accedentaly sent to token address
//
function salvageTokensFromContract(address _tokenAddress, address _to, uint _amount) onlyOwner{
IERC20Token(_tokenAddress).transfer(_to, _amount);
}
//
// withdrawEth when minimum cap is reached
//
function withdrawEth() onlyOwner{
require(this.balance != 0);
require(ethRaised >= minCap);
pendingEthWithdrawal = this.balance;
}
uint pendingEthWithdrawal;
function pullBalance(){
require(msg.sender == multisigAddress);
require(pendingEthWithdrawal > 0);
multisigAddress.transfer(pendingEthWithdrawal);
pendingEthWithdrawal = 0;
}
//
// Users can claim their contribution if min cap is not raised
//
function claimEthIfFailed(){
require(block.number > crowdsaleEndedBlock && ethRaised < minCap); // Check if crowdsale has failed
require(contributorList[msg.sender].contributionAmount > 0); // Check if contributor has contributed to crowdsaleEndedBlock
require(!hasClaimedEthWhenFail[msg.sender]); // Check if contributor has already claimed his eth
uint ethContributed = contributorList[msg.sender].contributionAmount; // Get contributors contribution
hasClaimedEthWhenFail[msg.sender] = true; // Set that he has claimed
if (!msg.sender.send(ethContributed)){ // Refund eth
ErrorSendingETH(msg.sender, ethContributed); // If there is an issue raise event for manual recovery
}
}
//
// Owner can batch return contributors contributions(eth)
//
function batchReturnEthIfFailed(uint _numberOfReturns) onlyOwner{
require(block.number > crowdsaleEndedBlock && ethRaised < minCap); // Check if crowdsale has failed
address currentParticipantAddress;
uint contribution;
for (uint cnt = 0; cnt < _numberOfReturns; cnt++){
currentParticipantAddress = contributorIndexes[nextContributorToClaim]; // Get next unclaimed participant
if (currentParticipantAddress == 0x0) return; // Check if all the participants were compensated
if (!hasClaimedEthWhenFail[currentParticipantAddress]) { // Check if participant has already claimed
contribution = contributorList[currentParticipantAddress].contributionAmount; // Get contribution of participant
hasClaimedEthWhenFail[currentParticipantAddress] = true; // Set that he has claimed
if (!currentParticipantAddress.send(contribution)){ // Refund eth
ErrorSendingETH(currentParticipantAddress, contribution); // If there is an issue raise event for manual recovery
}
}
nextContributorToClaim += 1; // Repeat
}
}
//
// If there were any issue/attach with refund owner can withraw eth at the end for manual recovery
//
function withdrawRemainingBalanceForManualRecovery() onlyOwner{
require(this.balance != 0); // Check if there are any eth to claim
require(block.number > crowdsaleEndedBlock); // Check if crowdsale is over
require(contributorIndexes[nextContributorToClaim] == 0x0); // Check if all the users were refunded
multisigAddress.transfer(this.balance); // Withdraw to multisig
}
//
// Owner can set multisig address for crowdsale
//
function setMultisigAddress(address _newAddress) onlyOwner{
multisigAddress = _newAddress;
}
//
// Owner can set token address where mints will happen
//
function setToken(address _newAddress) onlyOwner{
token = IToken(_newAddress);
}
//
// Owner can claim teams tokens when crowdsale has successfully ended
//
function claimCoreTeamsTokens(address _to) onlyOwner{
require(crowdsaleState == state.crowdsaleEnded); // Check if crowdsale has ended
require(!ownerHasClaimedTokens); // Check if owner has allready claimed tokens
uint devReward = maxTokenSupply - token.totalSupply();
if (!cofounditHasClaimedTokens) devReward -= cofounditReward; // If cofoundit has claimed tokens its ok if not set aside cofounditReward
token.mintTokens(_to, devReward); // Issue Teams tokens
ownerHasClaimedTokens = true; // Block further mints from this method
}
//
// Cofoundit can claim their tokens
//
function claimCofounditTokens(){
require(msg.sender == cofounditAddress); // Check if sender is cofoundit
require(crowdsaleState == state.crowdsaleEnded); // Check if crowdsale has ended
require(!cofounditHasClaimedTokens); // Check if cofoundit has allready claimed tokens
token.mintTokens(cofounditColdStorage, cofounditReward); // Issue cofoundit tokens
cofounditHasClaimedTokens = true; // Block further mints from this method
}
function getTokenAddress() constant returns(address){
return address(token);
}
//
// Before crowdsale starts owner can calibrate blocks of crowdsale stages
//
function setCrowdsaleBlocks(uint _presaleStartBlock, uint _presaleUnlimitedStartBlock, uint _crowdsaleStartBlock, uint _crowdsaleEndedBlock) onlyOwner{
require(crowdsaleState == state.pendingStart); // Check if crowdsale has started
require(_presaleStartBlock != 0); // Check if any value is 0
require(_presaleStartBlock < _presaleUnlimitedStartBlock); // Check if presaleUnlimitedStartBlock is set properly
require(_presaleUnlimitedStartBlock != 0); // Check if any value is 0
require(_presaleUnlimitedStartBlock < _crowdsaleStartBlock); // Check if crowdsaleStartBlock is set properly
require(_crowdsaleStartBlock != 0); // Check if any value is 0
require(_crowdsaleStartBlock < _crowdsaleEndedBlock); // Check if crowdsaleEndedBlock is set properly
require(_crowdsaleEndedBlock != 0); // Check if any value is 0
presaleStartBlock = _presaleStartBlock;
presaleUnlimitedStartBlock = _presaleUnlimitedStartBlock;
crowdsaleStartBlock = _crowdsaleStartBlock;
crowdsaleEndedBlock = _crowdsaleEndedBlock;
}
} | claimCoreTeamsTokens | function claimCoreTeamsTokens(address _to) onlyOwner{
require(crowdsaleState == state.crowdsaleEnded); // Check if crowdsale has ended
require(!ownerHasClaimedTokens); // Check if owner has allready claimed tokens
uint devReward = maxTokenSupply - token.totalSupply();
if (!cofounditHasClaimedTokens) devReward -= cofounditReward; // If cofoundit has claimed tokens its ok if not set aside cofounditReward
token.mintTokens(_to, devReward); // Issue Teams tokens
ownerHasClaimedTokens = true; // Block further mints from this method
}
| //
// Owner can claim teams tokens when crowdsale has successfully ended
// | LineComment | v0.4.16+commit.d7661dd9 | bzzr://ff2415ea20052542e44eecc0b9e20c01f2afed4b77fb89f3252b0fa9c88ab9ec | {
"func_code_index": [
13251,
13924
]
} | 4,649 |
|||
DPPCrowdsale | DPPCrowdsale.sol | 0x6f0d792b540afa2c8772b9ba4805e7436ad8413e | Solidity | Crowdsale | contract Crowdsale is ReentrnacyHandlingContract, Owned{
struct ContributorData{
uint priorityPassAllowance;
bool isActive;
uint contributionAmount;
uint tokensIssued;
}
mapping(address => ContributorData) public contributorList;
uint nextContributorIndex;
mapping(uint => address) contributorIndexes;
state public crowdsaleState = state.pendingStart;
enum state { pendingStart, priorityPass, openedPriorityPass, crowdsale, crowdsaleEnded }
uint public presaleStartBlock;
uint public presaleUnlimitedStartBlock;
uint public crowdsaleStartBlock;
uint public crowdsaleEndedBlock;
event PresaleStarted(uint blockNumber);
event PresaleUnlimitedStarted(uint blockNumber);
event CrowdsaleStarted(uint blockNumber);
event CrowdsaleEnded(uint blockNumber);
event ErrorSendingETH(address to, uint amount);
event MinCapReached(uint blockNumber);
event MaxCapReached(uint blockNumber);
IToken token = IToken(0x0);
uint ethToTokenConversion;
uint public minCap;
uint public maxP1Cap;
uint public maxCap;
uint public ethRaised;
address public multisigAddress;
uint nextContributorToClaim;
mapping(address => bool) hasClaimedEthWhenFail;
uint maxTokenSupply;
bool ownerHasClaimedTokens;
uint cofounditReward;
address cofounditAddress;
address cofounditColdStorage;
bool cofounditHasClaimedTokens;
//
// Unnamed function that runs when eth is sent to the contract
//
function() noReentrancy payable{
require(msg.value != 0); // Throw if value is 0
require(crowdsaleState != state.crowdsaleEnded);// Check if crowdsale has ended
bool stateChanged = checkCrowdsaleState(); // Check blocks and calibrate crowdsale state
if (crowdsaleState == state.priorityPass){
if (contributorList[msg.sender].isActive){ // Check if contributor is in priorityPass
processTransaction(msg.sender, msg.value); // Process transaction and issue tokens
}else{
refundTransaction(stateChanged); // Set state and return funds or throw
}
}
else if(crowdsaleState == state.openedPriorityPass){
if (contributorList[msg.sender].isActive){ // Check if contributor is in priorityPass
processTransaction(msg.sender, msg.value); // Process transaction and issue tokens
}else{
refundTransaction(stateChanged); // Set state and return funds or throw
}
}
else if(crowdsaleState == state.crowdsale){
processTransaction(msg.sender, msg.value); // Process transaction and issue tokens
}
else{
refundTransaction(stateChanged); // Set state and return funds or throw
}
}
//
// Check crowdsale state and calibrate it
//
function checkCrowdsaleState() internal returns (bool){
if (ethRaised == maxCap && crowdsaleState != state.crowdsaleEnded){ // Check if max cap is reached
crowdsaleState = state.crowdsaleEnded;
MaxCapReached(block.number); // Close the crowdsale
CrowdsaleEnded(block.number); // Raise event
return true;
}
if (block.number > presaleStartBlock && block.number <= presaleUnlimitedStartBlock){ // Check if we are in presale phase
if (crowdsaleState != state.priorityPass){ // Check if state needs to be changed
crowdsaleState = state.priorityPass; // Set new state
PresaleStarted(block.number); // Raise event
return true;
}
}else if(block.number > presaleUnlimitedStartBlock && block.number <= crowdsaleStartBlock){ // Check if we are in presale unlimited phase
if (crowdsaleState != state.openedPriorityPass){ // Check if state needs to be changed
crowdsaleState = state.openedPriorityPass; // Set new state
PresaleUnlimitedStarted(block.number); // Raise event
return true;
}
}else if(block.number > crowdsaleStartBlock && block.number <= crowdsaleEndedBlock){ // Check if we are in crowdsale state
if (crowdsaleState != state.crowdsale){ // Check if state needs to be changed
crowdsaleState = state.crowdsale; // Set new state
CrowdsaleStarted(block.number); // Raise event
return true;
}
}else{
if (crowdsaleState != state.crowdsaleEnded && block.number > crowdsaleEndedBlock){ // Check if crowdsale is over
crowdsaleState = state.crowdsaleEnded; // Set new state
CrowdsaleEnded(block.number); // Raise event
return true;
}
}
return false;
}
//
// Decide if throw or only return ether
//
function refundTransaction(bool _stateChanged) internal{
if (_stateChanged){
msg.sender.transfer(msg.value);
}else{
revert();
}
}
//
// Calculate how much user can contribute
//
function calculateMaxContribution(address _contributor) constant returns (uint maxContribution){
uint maxContrib;
if (crowdsaleState == state.priorityPass){ // Check if we are in priority pass
maxContrib = contributorList[_contributor].priorityPassAllowance - contributorList[_contributor].contributionAmount;
if (maxContrib > (maxP1Cap - ethRaised)){ // Check if max contribution is more that max cap
maxContrib = maxP1Cap - ethRaised; // Alter max cap
}
}
else{
maxContrib = maxCap - ethRaised; // Alter max cap
}
return maxContrib;
}
//
// Issue tokens and return if there is overflow
//
function processTransaction(address _contributor, uint _amount) internal{
uint maxContribution = calculateMaxContribution(_contributor); // Calculate max users contribution
uint contributionAmount = _amount;
uint returnAmount = 0;
if (maxContribution < _amount){ // Check if max contribution is lower than _amount sent
contributionAmount = maxContribution; // Set that user contibutes his maximum alowed contribution
returnAmount = _amount - maxContribution; // Calculate howmuch he must get back
}
if (ethRaised + contributionAmount > minCap && minCap > ethRaised) MinCapReached(block.number);
if (contributorList[_contributor].isActive == false){ // Check if contributor has already contributed
contributorList[_contributor].isActive = true; // Set his activity to true
contributorList[_contributor].contributionAmount = contributionAmount; // Set his contribution
contributorIndexes[nextContributorIndex] = _contributor; // Set contributors index
nextContributorIndex++;
}
else{
contributorList[_contributor].contributionAmount += contributionAmount; // Add contribution amount to existing contributor
}
ethRaised += contributionAmount; // Add to eth raised
uint tokenAmount = contributionAmount * ethToTokenConversion; // Calculate how much tokens must contributor get
if (tokenAmount > 0){
token.mintTokens(_contributor, tokenAmount); // Issue new tokens
contributorList[_contributor].tokensIssued += tokenAmount; // log token issuance
}
if (returnAmount != 0) _contributor.transfer(returnAmount); // Return overflow of ether
}
//
// Push contributor data to the contract before the crowdsale so that they are eligible for priorit pass
//
function editContributors(address[] _contributorAddresses, uint[] _contributorPPAllowances) onlyOwner{
require(_contributorAddresses.length == _contributorPPAllowances.length); // Check if input data is correct
for(uint cnt = 0; cnt < _contributorAddresses.length; cnt++){
if (contributorList[_contributorAddresses[cnt]].isActive){
contributorList[_contributorAddresses[cnt]].priorityPassAllowance = _contributorPPAllowances[cnt];
}
else{
contributorList[_contributorAddresses[cnt]].isActive = true;
contributorList[_contributorAddresses[cnt]].priorityPassAllowance = _contributorPPAllowances[cnt];
contributorIndexes[nextContributorIndex] = _contributorAddresses[cnt];
nextContributorIndex++;
}
}
}
//
// Method is needed for recovering tokens accedentaly sent to token address
//
function salvageTokensFromContract(address _tokenAddress, address _to, uint _amount) onlyOwner{
IERC20Token(_tokenAddress).transfer(_to, _amount);
}
//
// withdrawEth when minimum cap is reached
//
function withdrawEth() onlyOwner{
require(this.balance != 0);
require(ethRaised >= minCap);
pendingEthWithdrawal = this.balance;
}
uint pendingEthWithdrawal;
function pullBalance(){
require(msg.sender == multisigAddress);
require(pendingEthWithdrawal > 0);
multisigAddress.transfer(pendingEthWithdrawal);
pendingEthWithdrawal = 0;
}
//
// Users can claim their contribution if min cap is not raised
//
function claimEthIfFailed(){
require(block.number > crowdsaleEndedBlock && ethRaised < minCap); // Check if crowdsale has failed
require(contributorList[msg.sender].contributionAmount > 0); // Check if contributor has contributed to crowdsaleEndedBlock
require(!hasClaimedEthWhenFail[msg.sender]); // Check if contributor has already claimed his eth
uint ethContributed = contributorList[msg.sender].contributionAmount; // Get contributors contribution
hasClaimedEthWhenFail[msg.sender] = true; // Set that he has claimed
if (!msg.sender.send(ethContributed)){ // Refund eth
ErrorSendingETH(msg.sender, ethContributed); // If there is an issue raise event for manual recovery
}
}
//
// Owner can batch return contributors contributions(eth)
//
function batchReturnEthIfFailed(uint _numberOfReturns) onlyOwner{
require(block.number > crowdsaleEndedBlock && ethRaised < minCap); // Check if crowdsale has failed
address currentParticipantAddress;
uint contribution;
for (uint cnt = 0; cnt < _numberOfReturns; cnt++){
currentParticipantAddress = contributorIndexes[nextContributorToClaim]; // Get next unclaimed participant
if (currentParticipantAddress == 0x0) return; // Check if all the participants were compensated
if (!hasClaimedEthWhenFail[currentParticipantAddress]) { // Check if participant has already claimed
contribution = contributorList[currentParticipantAddress].contributionAmount; // Get contribution of participant
hasClaimedEthWhenFail[currentParticipantAddress] = true; // Set that he has claimed
if (!currentParticipantAddress.send(contribution)){ // Refund eth
ErrorSendingETH(currentParticipantAddress, contribution); // If there is an issue raise event for manual recovery
}
}
nextContributorToClaim += 1; // Repeat
}
}
//
// If there were any issue/attach with refund owner can withraw eth at the end for manual recovery
//
function withdrawRemainingBalanceForManualRecovery() onlyOwner{
require(this.balance != 0); // Check if there are any eth to claim
require(block.number > crowdsaleEndedBlock); // Check if crowdsale is over
require(contributorIndexes[nextContributorToClaim] == 0x0); // Check if all the users were refunded
multisigAddress.transfer(this.balance); // Withdraw to multisig
}
//
// Owner can set multisig address for crowdsale
//
function setMultisigAddress(address _newAddress) onlyOwner{
multisigAddress = _newAddress;
}
//
// Owner can set token address where mints will happen
//
function setToken(address _newAddress) onlyOwner{
token = IToken(_newAddress);
}
//
// Owner can claim teams tokens when crowdsale has successfully ended
//
function claimCoreTeamsTokens(address _to) onlyOwner{
require(crowdsaleState == state.crowdsaleEnded); // Check if crowdsale has ended
require(!ownerHasClaimedTokens); // Check if owner has allready claimed tokens
uint devReward = maxTokenSupply - token.totalSupply();
if (!cofounditHasClaimedTokens) devReward -= cofounditReward; // If cofoundit has claimed tokens its ok if not set aside cofounditReward
token.mintTokens(_to, devReward); // Issue Teams tokens
ownerHasClaimedTokens = true; // Block further mints from this method
}
//
// Cofoundit can claim their tokens
//
function claimCofounditTokens(){
require(msg.sender == cofounditAddress); // Check if sender is cofoundit
require(crowdsaleState == state.crowdsaleEnded); // Check if crowdsale has ended
require(!cofounditHasClaimedTokens); // Check if cofoundit has allready claimed tokens
token.mintTokens(cofounditColdStorage, cofounditReward); // Issue cofoundit tokens
cofounditHasClaimedTokens = true; // Block further mints from this method
}
function getTokenAddress() constant returns(address){
return address(token);
}
//
// Before crowdsale starts owner can calibrate blocks of crowdsale stages
//
function setCrowdsaleBlocks(uint _presaleStartBlock, uint _presaleUnlimitedStartBlock, uint _crowdsaleStartBlock, uint _crowdsaleEndedBlock) onlyOwner{
require(crowdsaleState == state.pendingStart); // Check if crowdsale has started
require(_presaleStartBlock != 0); // Check if any value is 0
require(_presaleStartBlock < _presaleUnlimitedStartBlock); // Check if presaleUnlimitedStartBlock is set properly
require(_presaleUnlimitedStartBlock != 0); // Check if any value is 0
require(_presaleUnlimitedStartBlock < _crowdsaleStartBlock); // Check if crowdsaleStartBlock is set properly
require(_crowdsaleStartBlock != 0); // Check if any value is 0
require(_crowdsaleStartBlock < _crowdsaleEndedBlock); // Check if crowdsaleEndedBlock is set properly
require(_crowdsaleEndedBlock != 0); // Check if any value is 0
presaleStartBlock = _presaleStartBlock;
presaleUnlimitedStartBlock = _presaleUnlimitedStartBlock;
crowdsaleStartBlock = _crowdsaleStartBlock;
crowdsaleEndedBlock = _crowdsaleEndedBlock;
}
} | claimCofounditTokens | function claimCofounditTokens(){
require(msg.sender == cofounditAddress); // Check if sender is cofoundit
require(crowdsaleState == state.crowdsaleEnded); // Check if crowdsale has ended
require(!cofounditHasClaimedTokens); // Check if cofoundit has allready claimed tokens
token.mintTokens(cofounditColdStorage, cofounditReward); // Issue cofoundit tokens
cofounditHasClaimedTokens = true; // Block further mints from this method
}
| //
// Cofoundit can claim their tokens
// | LineComment | v0.4.16+commit.d7661dd9 | bzzr://ff2415ea20052542e44eecc0b9e20c01f2afed4b77fb89f3252b0fa9c88ab9ec | {
"func_code_index": [
13978,
14502
]
} | 4,650 |
|||
DPPCrowdsale | DPPCrowdsale.sol | 0x6f0d792b540afa2c8772b9ba4805e7436ad8413e | Solidity | Crowdsale | contract Crowdsale is ReentrnacyHandlingContract, Owned{
struct ContributorData{
uint priorityPassAllowance;
bool isActive;
uint contributionAmount;
uint tokensIssued;
}
mapping(address => ContributorData) public contributorList;
uint nextContributorIndex;
mapping(uint => address) contributorIndexes;
state public crowdsaleState = state.pendingStart;
enum state { pendingStart, priorityPass, openedPriorityPass, crowdsale, crowdsaleEnded }
uint public presaleStartBlock;
uint public presaleUnlimitedStartBlock;
uint public crowdsaleStartBlock;
uint public crowdsaleEndedBlock;
event PresaleStarted(uint blockNumber);
event PresaleUnlimitedStarted(uint blockNumber);
event CrowdsaleStarted(uint blockNumber);
event CrowdsaleEnded(uint blockNumber);
event ErrorSendingETH(address to, uint amount);
event MinCapReached(uint blockNumber);
event MaxCapReached(uint blockNumber);
IToken token = IToken(0x0);
uint ethToTokenConversion;
uint public minCap;
uint public maxP1Cap;
uint public maxCap;
uint public ethRaised;
address public multisigAddress;
uint nextContributorToClaim;
mapping(address => bool) hasClaimedEthWhenFail;
uint maxTokenSupply;
bool ownerHasClaimedTokens;
uint cofounditReward;
address cofounditAddress;
address cofounditColdStorage;
bool cofounditHasClaimedTokens;
//
// Unnamed function that runs when eth is sent to the contract
//
function() noReentrancy payable{
require(msg.value != 0); // Throw if value is 0
require(crowdsaleState != state.crowdsaleEnded);// Check if crowdsale has ended
bool stateChanged = checkCrowdsaleState(); // Check blocks and calibrate crowdsale state
if (crowdsaleState == state.priorityPass){
if (contributorList[msg.sender].isActive){ // Check if contributor is in priorityPass
processTransaction(msg.sender, msg.value); // Process transaction and issue tokens
}else{
refundTransaction(stateChanged); // Set state and return funds or throw
}
}
else if(crowdsaleState == state.openedPriorityPass){
if (contributorList[msg.sender].isActive){ // Check if contributor is in priorityPass
processTransaction(msg.sender, msg.value); // Process transaction and issue tokens
}else{
refundTransaction(stateChanged); // Set state and return funds or throw
}
}
else if(crowdsaleState == state.crowdsale){
processTransaction(msg.sender, msg.value); // Process transaction and issue tokens
}
else{
refundTransaction(stateChanged); // Set state and return funds or throw
}
}
//
// Check crowdsale state and calibrate it
//
function checkCrowdsaleState() internal returns (bool){
if (ethRaised == maxCap && crowdsaleState != state.crowdsaleEnded){ // Check if max cap is reached
crowdsaleState = state.crowdsaleEnded;
MaxCapReached(block.number); // Close the crowdsale
CrowdsaleEnded(block.number); // Raise event
return true;
}
if (block.number > presaleStartBlock && block.number <= presaleUnlimitedStartBlock){ // Check if we are in presale phase
if (crowdsaleState != state.priorityPass){ // Check if state needs to be changed
crowdsaleState = state.priorityPass; // Set new state
PresaleStarted(block.number); // Raise event
return true;
}
}else if(block.number > presaleUnlimitedStartBlock && block.number <= crowdsaleStartBlock){ // Check if we are in presale unlimited phase
if (crowdsaleState != state.openedPriorityPass){ // Check if state needs to be changed
crowdsaleState = state.openedPriorityPass; // Set new state
PresaleUnlimitedStarted(block.number); // Raise event
return true;
}
}else if(block.number > crowdsaleStartBlock && block.number <= crowdsaleEndedBlock){ // Check if we are in crowdsale state
if (crowdsaleState != state.crowdsale){ // Check if state needs to be changed
crowdsaleState = state.crowdsale; // Set new state
CrowdsaleStarted(block.number); // Raise event
return true;
}
}else{
if (crowdsaleState != state.crowdsaleEnded && block.number > crowdsaleEndedBlock){ // Check if crowdsale is over
crowdsaleState = state.crowdsaleEnded; // Set new state
CrowdsaleEnded(block.number); // Raise event
return true;
}
}
return false;
}
//
// Decide if throw or only return ether
//
function refundTransaction(bool _stateChanged) internal{
if (_stateChanged){
msg.sender.transfer(msg.value);
}else{
revert();
}
}
//
// Calculate how much user can contribute
//
function calculateMaxContribution(address _contributor) constant returns (uint maxContribution){
uint maxContrib;
if (crowdsaleState == state.priorityPass){ // Check if we are in priority pass
maxContrib = contributorList[_contributor].priorityPassAllowance - contributorList[_contributor].contributionAmount;
if (maxContrib > (maxP1Cap - ethRaised)){ // Check if max contribution is more that max cap
maxContrib = maxP1Cap - ethRaised; // Alter max cap
}
}
else{
maxContrib = maxCap - ethRaised; // Alter max cap
}
return maxContrib;
}
//
// Issue tokens and return if there is overflow
//
function processTransaction(address _contributor, uint _amount) internal{
uint maxContribution = calculateMaxContribution(_contributor); // Calculate max users contribution
uint contributionAmount = _amount;
uint returnAmount = 0;
if (maxContribution < _amount){ // Check if max contribution is lower than _amount sent
contributionAmount = maxContribution; // Set that user contibutes his maximum alowed contribution
returnAmount = _amount - maxContribution; // Calculate howmuch he must get back
}
if (ethRaised + contributionAmount > minCap && minCap > ethRaised) MinCapReached(block.number);
if (contributorList[_contributor].isActive == false){ // Check if contributor has already contributed
contributorList[_contributor].isActive = true; // Set his activity to true
contributorList[_contributor].contributionAmount = contributionAmount; // Set his contribution
contributorIndexes[nextContributorIndex] = _contributor; // Set contributors index
nextContributorIndex++;
}
else{
contributorList[_contributor].contributionAmount += contributionAmount; // Add contribution amount to existing contributor
}
ethRaised += contributionAmount; // Add to eth raised
uint tokenAmount = contributionAmount * ethToTokenConversion; // Calculate how much tokens must contributor get
if (tokenAmount > 0){
token.mintTokens(_contributor, tokenAmount); // Issue new tokens
contributorList[_contributor].tokensIssued += tokenAmount; // log token issuance
}
if (returnAmount != 0) _contributor.transfer(returnAmount); // Return overflow of ether
}
//
// Push contributor data to the contract before the crowdsale so that they are eligible for priorit pass
//
function editContributors(address[] _contributorAddresses, uint[] _contributorPPAllowances) onlyOwner{
require(_contributorAddresses.length == _contributorPPAllowances.length); // Check if input data is correct
for(uint cnt = 0; cnt < _contributorAddresses.length; cnt++){
if (contributorList[_contributorAddresses[cnt]].isActive){
contributorList[_contributorAddresses[cnt]].priorityPassAllowance = _contributorPPAllowances[cnt];
}
else{
contributorList[_contributorAddresses[cnt]].isActive = true;
contributorList[_contributorAddresses[cnt]].priorityPassAllowance = _contributorPPAllowances[cnt];
contributorIndexes[nextContributorIndex] = _contributorAddresses[cnt];
nextContributorIndex++;
}
}
}
//
// Method is needed for recovering tokens accedentaly sent to token address
//
function salvageTokensFromContract(address _tokenAddress, address _to, uint _amount) onlyOwner{
IERC20Token(_tokenAddress).transfer(_to, _amount);
}
//
// withdrawEth when minimum cap is reached
//
function withdrawEth() onlyOwner{
require(this.balance != 0);
require(ethRaised >= minCap);
pendingEthWithdrawal = this.balance;
}
uint pendingEthWithdrawal;
function pullBalance(){
require(msg.sender == multisigAddress);
require(pendingEthWithdrawal > 0);
multisigAddress.transfer(pendingEthWithdrawal);
pendingEthWithdrawal = 0;
}
//
// Users can claim their contribution if min cap is not raised
//
function claimEthIfFailed(){
require(block.number > crowdsaleEndedBlock && ethRaised < minCap); // Check if crowdsale has failed
require(contributorList[msg.sender].contributionAmount > 0); // Check if contributor has contributed to crowdsaleEndedBlock
require(!hasClaimedEthWhenFail[msg.sender]); // Check if contributor has already claimed his eth
uint ethContributed = contributorList[msg.sender].contributionAmount; // Get contributors contribution
hasClaimedEthWhenFail[msg.sender] = true; // Set that he has claimed
if (!msg.sender.send(ethContributed)){ // Refund eth
ErrorSendingETH(msg.sender, ethContributed); // If there is an issue raise event for manual recovery
}
}
//
// Owner can batch return contributors contributions(eth)
//
function batchReturnEthIfFailed(uint _numberOfReturns) onlyOwner{
require(block.number > crowdsaleEndedBlock && ethRaised < minCap); // Check if crowdsale has failed
address currentParticipantAddress;
uint contribution;
for (uint cnt = 0; cnt < _numberOfReturns; cnt++){
currentParticipantAddress = contributorIndexes[nextContributorToClaim]; // Get next unclaimed participant
if (currentParticipantAddress == 0x0) return; // Check if all the participants were compensated
if (!hasClaimedEthWhenFail[currentParticipantAddress]) { // Check if participant has already claimed
contribution = contributorList[currentParticipantAddress].contributionAmount; // Get contribution of participant
hasClaimedEthWhenFail[currentParticipantAddress] = true; // Set that he has claimed
if (!currentParticipantAddress.send(contribution)){ // Refund eth
ErrorSendingETH(currentParticipantAddress, contribution); // If there is an issue raise event for manual recovery
}
}
nextContributorToClaim += 1; // Repeat
}
}
//
// If there were any issue/attach with refund owner can withraw eth at the end for manual recovery
//
function withdrawRemainingBalanceForManualRecovery() onlyOwner{
require(this.balance != 0); // Check if there are any eth to claim
require(block.number > crowdsaleEndedBlock); // Check if crowdsale is over
require(contributorIndexes[nextContributorToClaim] == 0x0); // Check if all the users were refunded
multisigAddress.transfer(this.balance); // Withdraw to multisig
}
//
// Owner can set multisig address for crowdsale
//
function setMultisigAddress(address _newAddress) onlyOwner{
multisigAddress = _newAddress;
}
//
// Owner can set token address where mints will happen
//
function setToken(address _newAddress) onlyOwner{
token = IToken(_newAddress);
}
//
// Owner can claim teams tokens when crowdsale has successfully ended
//
function claimCoreTeamsTokens(address _to) onlyOwner{
require(crowdsaleState == state.crowdsaleEnded); // Check if crowdsale has ended
require(!ownerHasClaimedTokens); // Check if owner has allready claimed tokens
uint devReward = maxTokenSupply - token.totalSupply();
if (!cofounditHasClaimedTokens) devReward -= cofounditReward; // If cofoundit has claimed tokens its ok if not set aside cofounditReward
token.mintTokens(_to, devReward); // Issue Teams tokens
ownerHasClaimedTokens = true; // Block further mints from this method
}
//
// Cofoundit can claim their tokens
//
function claimCofounditTokens(){
require(msg.sender == cofounditAddress); // Check if sender is cofoundit
require(crowdsaleState == state.crowdsaleEnded); // Check if crowdsale has ended
require(!cofounditHasClaimedTokens); // Check if cofoundit has allready claimed tokens
token.mintTokens(cofounditColdStorage, cofounditReward); // Issue cofoundit tokens
cofounditHasClaimedTokens = true; // Block further mints from this method
}
function getTokenAddress() constant returns(address){
return address(token);
}
//
// Before crowdsale starts owner can calibrate blocks of crowdsale stages
//
function setCrowdsaleBlocks(uint _presaleStartBlock, uint _presaleUnlimitedStartBlock, uint _crowdsaleStartBlock, uint _crowdsaleEndedBlock) onlyOwner{
require(crowdsaleState == state.pendingStart); // Check if crowdsale has started
require(_presaleStartBlock != 0); // Check if any value is 0
require(_presaleStartBlock < _presaleUnlimitedStartBlock); // Check if presaleUnlimitedStartBlock is set properly
require(_presaleUnlimitedStartBlock != 0); // Check if any value is 0
require(_presaleUnlimitedStartBlock < _crowdsaleStartBlock); // Check if crowdsaleStartBlock is set properly
require(_crowdsaleStartBlock != 0); // Check if any value is 0
require(_crowdsaleStartBlock < _crowdsaleEndedBlock); // Check if crowdsaleEndedBlock is set properly
require(_crowdsaleEndedBlock != 0); // Check if any value is 0
presaleStartBlock = _presaleStartBlock;
presaleUnlimitedStartBlock = _presaleUnlimitedStartBlock;
crowdsaleStartBlock = _crowdsaleStartBlock;
crowdsaleEndedBlock = _crowdsaleEndedBlock;
}
} | setCrowdsaleBlocks | function setCrowdsaleBlocks(uint _presaleStartBlock, uint _presaleUnlimitedStartBlock, uint _crowdsaleStartBlock, uint _crowdsaleEndedBlock) onlyOwner{
require(crowdsaleState == state.pendingStart); // Check if crowdsale has started
require(_presaleStartBlock != 0); // Check if any value is 0
require(_presaleStartBlock < _presaleUnlimitedStartBlock); // Check if presaleUnlimitedStartBlock is set properly
require(_presaleUnlimitedStartBlock != 0); // Check if any value is 0
require(_presaleUnlimitedStartBlock < _crowdsaleStartBlock); // Check if crowdsaleStartBlock is set properly
require(_crowdsaleStartBlock != 0); // Check if any value is 0
require(_crowdsaleStartBlock < _crowdsaleEndedBlock); // Check if crowdsaleEndedBlock is set properly
require(_crowdsaleEndedBlock != 0); // Check if any value is 0
presaleStartBlock = _presaleStartBlock;
presaleUnlimitedStartBlock = _presaleUnlimitedStartBlock;
crowdsaleStartBlock = _crowdsaleStartBlock;
crowdsaleEndedBlock = _crowdsaleEndedBlock;
}
| //
// Before crowdsale starts owner can calibrate blocks of crowdsale stages
// | LineComment | v0.4.16+commit.d7661dd9 | bzzr://ff2415ea20052542e44eecc0b9e20c01f2afed4b77fb89f3252b0fa9c88ab9ec | {
"func_code_index": [
14687,
15881
]
} | 4,651 |
|||
MythicalDice | MythicalDice.sol | 0xb68a6191ccbc0e4bf74af1635aa7b2ab7c09f0df | Solidity | Context | 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;
}
} | _msgSender | function _msgSender() internal view returns (address payable) {
return msg.sender;
}
| // solhint-disable-previous-line no-empty-blocks | LineComment | v0.5.16+commit.9c3226ce | None | bzzr://e650842e5c31d62e03cf0e61f20d86de70486b27cce654e1d44687a78bcd3a23 | {
"func_code_index": [
265,
368
]
} | 4,652 |
||
MythicalDice | MythicalDice.sol | 0xb68a6191ccbc0e4bf74af1635aa7b2ab7c09f0df | Solidity | Ownable | 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 () internal {
address msgSender = _msgSender();
_owner = msgSender;
emit OwnershipTransferred(address(0), msgSender);
}
/**
* @dev Returns the address of the current owner.
*/
function owner() public view returns (address) {
return _owner;
}
/**
* @dev Throws if called by any account other than the owner.
*/
modifier onlyOwner() {
require(isOwner(), "Ownable: caller is not the owner");
_;
}
/**
* @dev Returns true if the caller is the current owner.
*/
function isOwner() public view returns (bool) {
return _msgSender() == _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 onlyOwner {
emit OwnershipTransferred(_owner, address(0));
_owner = 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 onlyOwner {
_transferOwnership(newOwner);
}
/**
* @dev Transfers ownership of the contract to a new account (`newOwner`).
*/
function _transferOwnership(address newOwner) internal {
require(newOwner != address(0), "Ownable: new owner is the zero address");
emit OwnershipTransferred(_owner, newOwner);
_owner = newOwner;
}
} | owner | function owner() public view returns (address) {
return _owner;
}
| /**
* @dev Returns the address of the current owner.
*/ | NatSpecMultiLine | v0.5.16+commit.9c3226ce | None | bzzr://e650842e5c31d62e03cf0e61f20d86de70486b27cce654e1d44687a78bcd3a23 | {
"func_code_index": [
497,
581
]
} | 4,653 |
||
MythicalDice | MythicalDice.sol | 0xb68a6191ccbc0e4bf74af1635aa7b2ab7c09f0df | Solidity | Ownable | 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 () internal {
address msgSender = _msgSender();
_owner = msgSender;
emit OwnershipTransferred(address(0), msgSender);
}
/**
* @dev Returns the address of the current owner.
*/
function owner() public view returns (address) {
return _owner;
}
/**
* @dev Throws if called by any account other than the owner.
*/
modifier onlyOwner() {
require(isOwner(), "Ownable: caller is not the owner");
_;
}
/**
* @dev Returns true if the caller is the current owner.
*/
function isOwner() public view returns (bool) {
return _msgSender() == _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 onlyOwner {
emit OwnershipTransferred(_owner, address(0));
_owner = 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 onlyOwner {
_transferOwnership(newOwner);
}
/**
* @dev Transfers ownership of the contract to a new account (`newOwner`).
*/
function _transferOwnership(address newOwner) internal {
require(newOwner != address(0), "Ownable: new owner is the zero address");
emit OwnershipTransferred(_owner, newOwner);
_owner = newOwner;
}
} | isOwner | function isOwner() public view returns (bool) {
return _msgSender() == _owner;
}
| /**
* @dev Returns true if the caller is the current owner.
*/ | NatSpecMultiLine | v0.5.16+commit.9c3226ce | None | bzzr://e650842e5c31d62e03cf0e61f20d86de70486b27cce654e1d44687a78bcd3a23 | {
"func_code_index": [
863,
962
]
} | 4,654 |
||
MythicalDice | MythicalDice.sol | 0xb68a6191ccbc0e4bf74af1635aa7b2ab7c09f0df | Solidity | Ownable | 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 () internal {
address msgSender = _msgSender();
_owner = msgSender;
emit OwnershipTransferred(address(0), msgSender);
}
/**
* @dev Returns the address of the current owner.
*/
function owner() public view returns (address) {
return _owner;
}
/**
* @dev Throws if called by any account other than the owner.
*/
modifier onlyOwner() {
require(isOwner(), "Ownable: caller is not the owner");
_;
}
/**
* @dev Returns true if the caller is the current owner.
*/
function isOwner() public view returns (bool) {
return _msgSender() == _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 onlyOwner {
emit OwnershipTransferred(_owner, address(0));
_owner = 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 onlyOwner {
_transferOwnership(newOwner);
}
/**
* @dev Transfers ownership of the contract to a new account (`newOwner`).
*/
function _transferOwnership(address newOwner) internal {
require(newOwner != address(0), "Ownable: new owner is the zero address");
emit OwnershipTransferred(_owner, newOwner);
_owner = newOwner;
}
} | renounceOwnership | function renounceOwnership() public onlyOwner {
emit OwnershipTransferred(_owner, address(0));
_owner = address(0);
}
| /**
* @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.
*/ | NatSpecMultiLine | v0.5.16+commit.9c3226ce | None | bzzr://e650842e5c31d62e03cf0e61f20d86de70486b27cce654e1d44687a78bcd3a23 | {
"func_code_index": [
1308,
1453
]
} | 4,655 |
||
MythicalDice | MythicalDice.sol | 0xb68a6191ccbc0e4bf74af1635aa7b2ab7c09f0df | Solidity | Ownable | 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 () internal {
address msgSender = _msgSender();
_owner = msgSender;
emit OwnershipTransferred(address(0), msgSender);
}
/**
* @dev Returns the address of the current owner.
*/
function owner() public view returns (address) {
return _owner;
}
/**
* @dev Throws if called by any account other than the owner.
*/
modifier onlyOwner() {
require(isOwner(), "Ownable: caller is not the owner");
_;
}
/**
* @dev Returns true if the caller is the current owner.
*/
function isOwner() public view returns (bool) {
return _msgSender() == _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 onlyOwner {
emit OwnershipTransferred(_owner, address(0));
_owner = 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 onlyOwner {
_transferOwnership(newOwner);
}
/**
* @dev Transfers ownership of the contract to a new account (`newOwner`).
*/
function _transferOwnership(address newOwner) internal {
require(newOwner != address(0), "Ownable: new owner is the zero address");
emit OwnershipTransferred(_owner, newOwner);
_owner = newOwner;
}
} | transferOwnership | function transferOwnership(address newOwner) public onlyOwner {
_transferOwnership(newOwner);
}
| /**
* @dev Transfers ownership of the contract to a new account (`newOwner`).
* Can only be called by the current owner.
*/ | NatSpecMultiLine | v0.5.16+commit.9c3226ce | None | bzzr://e650842e5c31d62e03cf0e61f20d86de70486b27cce654e1d44687a78bcd3a23 | {
"func_code_index": [
1603,
1717
]
} | 4,656 |
||
MythicalDice | MythicalDice.sol | 0xb68a6191ccbc0e4bf74af1635aa7b2ab7c09f0df | Solidity | Ownable | 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 () internal {
address msgSender = _msgSender();
_owner = msgSender;
emit OwnershipTransferred(address(0), msgSender);
}
/**
* @dev Returns the address of the current owner.
*/
function owner() public view returns (address) {
return _owner;
}
/**
* @dev Throws if called by any account other than the owner.
*/
modifier onlyOwner() {
require(isOwner(), "Ownable: caller is not the owner");
_;
}
/**
* @dev Returns true if the caller is the current owner.
*/
function isOwner() public view returns (bool) {
return _msgSender() == _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 onlyOwner {
emit OwnershipTransferred(_owner, address(0));
_owner = 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 onlyOwner {
_transferOwnership(newOwner);
}
/**
* @dev Transfers ownership of the contract to a new account (`newOwner`).
*/
function _transferOwnership(address newOwner) internal {
require(newOwner != address(0), "Ownable: new owner is the zero address");
emit OwnershipTransferred(_owner, newOwner);
_owner = newOwner;
}
} | _transferOwnership | function _transferOwnership(address newOwner) internal {
require(newOwner != address(0), "Ownable: new owner is the zero address");
emit OwnershipTransferred(_owner, newOwner);
_owner = newOwner;
}
| /**
* @dev Transfers ownership of the contract to a new account (`newOwner`).
*/ | NatSpecMultiLine | v0.5.16+commit.9c3226ce | None | bzzr://e650842e5c31d62e03cf0e61f20d86de70486b27cce654e1d44687a78bcd3a23 | {
"func_code_index": [
1818,
2052
]
} | 4,657 |
||
MythicalDice | MythicalDice.sol | 0xb68a6191ccbc0e4bf74af1635aa7b2ab7c09f0df | Solidity | SafeMath | 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;
}
} | add | 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 addition of two unsigned integers, reverting on
* overflow.
*
* Counterpart to Solidity's `+` operator.
*
* Requirements:
* - Addition cannot overflow.
*/ | NatSpecMultiLine | v0.5.16+commit.9c3226ce | None | bzzr://e650842e5c31d62e03cf0e61f20d86de70486b27cce654e1d44687a78bcd3a23 | {
"func_code_index": [
251,
437
]
} | 4,658 |
||
MythicalDice | MythicalDice.sol | 0xb68a6191ccbc0e4bf74af1635aa7b2ab7c09f0df | Solidity | SafeMath | 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;
}
} | sub | 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 on
* overflow (when the result is negative).
*
* Counterpart to Solidity's `-` operator.
*
* Requirements:
* - Subtraction cannot overflow.
*/ | NatSpecMultiLine | v0.5.16+commit.9c3226ce | None | bzzr://e650842e5c31d62e03cf0e61f20d86de70486b27cce654e1d44687a78bcd3a23 | {
"func_code_index": [
707,
848
]
} | 4,659 |
||
MythicalDice | MythicalDice.sol | 0xb68a6191ccbc0e4bf74af1635aa7b2ab7c09f0df | Solidity | SafeMath | 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;
}
} | sub | 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 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._
*/ | NatSpecMultiLine | v0.5.16+commit.9c3226ce | None | bzzr://e650842e5c31d62e03cf0e61f20d86de70486b27cce654e1d44687a78bcd3a23 | {
"func_code_index": [
1180,
1377
]
} | 4,660 |
||
MythicalDice | MythicalDice.sol | 0xb68a6191ccbc0e4bf74af1635aa7b2ab7c09f0df | Solidity | SafeMath | 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;
}
} | mul | 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 multiplication of two unsigned integers, reverting on
* overflow.
*
* Counterpart to Solidity's `*` operator.
*
* Requirements:
* - Multiplication cannot overflow.
*/ | NatSpecMultiLine | v0.5.16+commit.9c3226ce | None | bzzr://e650842e5c31d62e03cf0e61f20d86de70486b27cce654e1d44687a78bcd3a23 | {
"func_code_index": [
1623,
2099
]
} | 4,661 |
||
MythicalDice | MythicalDice.sol | 0xb68a6191ccbc0e4bf74af1635aa7b2ab7c09f0df | Solidity | SafeMath | 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;
}
} | div | 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 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.
*/ | NatSpecMultiLine | v0.5.16+commit.9c3226ce | None | bzzr://e650842e5c31d62e03cf0e61f20d86de70486b27cce654e1d44687a78bcd3a23 | {
"func_code_index": [
2562,
2699
]
} | 4,662 |
||
MythicalDice | MythicalDice.sol | 0xb68a6191ccbc0e4bf74af1635aa7b2ab7c09f0df | Solidity | SafeMath | 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;
}
} | div | 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 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._
*/ | NatSpecMultiLine | v0.5.16+commit.9c3226ce | None | bzzr://e650842e5c31d62e03cf0e61f20d86de70486b27cce654e1d44687a78bcd3a23 | {
"func_code_index": [
3224,
3574
]
} | 4,663 |
||
MythicalDice | MythicalDice.sol | 0xb68a6191ccbc0e4bf74af1635aa7b2ab7c09f0df | Solidity | SafeMath | 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;
}
} | mod | 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 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.
*/ | NatSpecMultiLine | v0.5.16+commit.9c3226ce | None | bzzr://e650842e5c31d62e03cf0e61f20d86de70486b27cce654e1d44687a78bcd3a23 | {
"func_code_index": [
4026,
4161
]
} | 4,664 |
||
MythicalDice | MythicalDice.sol | 0xb68a6191ccbc0e4bf74af1635aa7b2ab7c09f0df | Solidity | SafeMath | 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;
}
} | mod | function mod(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),
* 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._
*/ | NatSpecMultiLine | v0.5.16+commit.9c3226ce | None | bzzr://e650842e5c31d62e03cf0e61f20d86de70486b27cce654e1d44687a78bcd3a23 | {
"func_code_index": [
4675,
4846
]
} | 4,665 |
||
Fubuki | Fubuki.sol | 0xf70d834287bbd0324ebb6a5fd20334a16d695256 | Solidity | IERC20 | interface IERC20 {
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);
} | balanceOf | function balanceOf(address account) external view returns (uint256);
| /**
* @dev Returns the amount of tokens owned by `account`.
*/ | NatSpecMultiLine | v0.6.12+commit.27d51765 | MIT | ipfs://dfd7e7ed6489eac8e7c41b6125b0a39d58298c2b36bd66f46857a91853b0164c | {
"func_code_index": [
165,
238
]
} | 4,666 |
||
Fubuki | Fubuki.sol | 0xf70d834287bbd0324ebb6a5fd20334a16d695256 | Solidity | IERC20 | interface IERC20 {
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);
} | transfer | function transfer(address recipient, uint256 amount) external returns (bool);
| /**
* @dev Moves `amount` tokens from the caller's account to `recipient`.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* Emits a {Transfer} event.
*/ | NatSpecMultiLine | v0.6.12+commit.27d51765 | MIT | ipfs://dfd7e7ed6489eac8e7c41b6125b0a39d58298c2b36bd66f46857a91853b0164c | {
"func_code_index": [
462,
544
]
} | 4,667 |
||
Fubuki | Fubuki.sol | 0xf70d834287bbd0324ebb6a5fd20334a16d695256 | Solidity | IERC20 | interface IERC20 {
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);
} | allowance | function allowance(address owner, address spender) external view returns (uint256);
| /**
* @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.
*/ | NatSpecMultiLine | v0.6.12+commit.27d51765 | MIT | ipfs://dfd7e7ed6489eac8e7c41b6125b0a39d58298c2b36bd66f46857a91853b0164c | {
"func_code_index": [
823,
911
]
} | 4,668 |
||
Fubuki | Fubuki.sol | 0xf70d834287bbd0324ebb6a5fd20334a16d695256 | Solidity | IERC20 | interface IERC20 {
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);
} | approve | function approve(address spender, uint256 amount) external returns (bool);
| /**
* @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.
*/ | NatSpecMultiLine | v0.6.12+commit.27d51765 | MIT | ipfs://dfd7e7ed6489eac8e7c41b6125b0a39d58298c2b36bd66f46857a91853b0164c | {
"func_code_index": [
1575,
1654
]
} | 4,669 |
||
Fubuki | Fubuki.sol | 0xf70d834287bbd0324ebb6a5fd20334a16d695256 | Solidity | IERC20 | interface IERC20 {
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);
} | transferFrom | function transferFrom(address sender, address recipient, 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.
*/ | NatSpecMultiLine | v0.6.12+commit.27d51765 | MIT | ipfs://dfd7e7ed6489eac8e7c41b6125b0a39d58298c2b36bd66f46857a91853b0164c | {
"func_code_index": [
1967,
2069
]
} | 4,670 |
||
Fubuki | Fubuki.sol | 0xf70d834287bbd0324ebb6a5fd20334a16d695256 | Solidity | SafeMath | 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.
*/
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.
*/
function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
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.
*/
function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b != 0, errorMessage);
return a % b;
}
} | /**
* @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.
*/ | NatSpecMultiLine | add | 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 addition of two unsigned integers, reverting on
* overflow.
*
* Counterpart to Solidity's `+` operator.
*
* Requirements:
*
* - Addition cannot overflow.
*/ | NatSpecMultiLine | v0.6.12+commit.27d51765 | MIT | ipfs://dfd7e7ed6489eac8e7c41b6125b0a39d58298c2b36bd66f46857a91853b0164c | {
"func_code_index": [
259,
445
]
} | 4,671 |
Fubuki | Fubuki.sol | 0xf70d834287bbd0324ebb6a5fd20334a16d695256 | Solidity | SafeMath | 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.
*/
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.
*/
function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
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.
*/
function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b != 0, errorMessage);
return a % b;
}
} | /**
* @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.
*/ | NatSpecMultiLine | sub | 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 on
* overflow (when the result is negative).
*
* Counterpart to Solidity's `-` operator.
*
* Requirements:
*
* - Subtraction cannot overflow.
*/ | NatSpecMultiLine | v0.6.12+commit.27d51765 | MIT | ipfs://dfd7e7ed6489eac8e7c41b6125b0a39d58298c2b36bd66f46857a91853b0164c | {
"func_code_index": [
723,
864
]
} | 4,672 |
Fubuki | Fubuki.sol | 0xf70d834287bbd0324ebb6a5fd20334a16d695256 | Solidity | SafeMath | 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.
*/
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.
*/
function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
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.
*/
function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b != 0, errorMessage);
return a % b;
}
} | /**
* @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.
*/ | NatSpecMultiLine | sub | 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 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.
*/ | NatSpecMultiLine | v0.6.12+commit.27d51765 | MIT | ipfs://dfd7e7ed6489eac8e7c41b6125b0a39d58298c2b36bd66f46857a91853b0164c | {
"func_code_index": [
1162,
1359
]
} | 4,673 |
Fubuki | Fubuki.sol | 0xf70d834287bbd0324ebb6a5fd20334a16d695256 | Solidity | SafeMath | 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.
*/
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.
*/
function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
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.
*/
function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b != 0, errorMessage);
return a % b;
}
} | /**
* @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.
*/ | NatSpecMultiLine | mul | 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 multiplication of two unsigned integers, reverting on
* overflow.
*
* Counterpart to Solidity's `*` operator.
*
* Requirements:
*
* - Multiplication cannot overflow.
*/ | NatSpecMultiLine | v0.6.12+commit.27d51765 | MIT | ipfs://dfd7e7ed6489eac8e7c41b6125b0a39d58298c2b36bd66f46857a91853b0164c | {
"func_code_index": [
1613,
2089
]
} | 4,674 |
Fubuki | Fubuki.sol | 0xf70d834287bbd0324ebb6a5fd20334a16d695256 | Solidity | SafeMath | 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.
*/
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.
*/
function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
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.
*/
function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b != 0, errorMessage);
return a % b;
}
} | /**
* @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.
*/ | NatSpecMultiLine | div | 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 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.
*/ | NatSpecMultiLine | v0.6.12+commit.27d51765 | MIT | ipfs://dfd7e7ed6489eac8e7c41b6125b0a39d58298c2b36bd66f46857a91853b0164c | {
"func_code_index": [
2560,
2697
]
} | 4,675 |
Fubuki | Fubuki.sol | 0xf70d834287bbd0324ebb6a5fd20334a16d695256 | Solidity | SafeMath | 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.
*/
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.
*/
function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
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.
*/
function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b != 0, errorMessage);
return a % b;
}
} | /**
* @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.
*/ | NatSpecMultiLine | div | function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
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 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.
*/ | NatSpecMultiLine | v0.6.12+commit.27d51765 | MIT | ipfs://dfd7e7ed6489eac8e7c41b6125b0a39d58298c2b36bd66f46857a91853b0164c | {
"func_code_index": [
3188,
3471
]
} | 4,676 |
Fubuki | Fubuki.sol | 0xf70d834287bbd0324ebb6a5fd20334a16d695256 | Solidity | SafeMath | 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.
*/
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.
*/
function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
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.
*/
function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b != 0, errorMessage);
return a % b;
}
} | /**
* @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.
*/ | NatSpecMultiLine | mod | 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 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.
*/ | NatSpecMultiLine | v0.6.12+commit.27d51765 | MIT | ipfs://dfd7e7ed6489eac8e7c41b6125b0a39d58298c2b36bd66f46857a91853b0164c | {
"func_code_index": [
3931,
4066
]
} | 4,677 |
Fubuki | Fubuki.sol | 0xf70d834287bbd0324ebb6a5fd20334a16d695256 | Solidity | SafeMath | 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.
*/
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.
*/
function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
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.
*/
function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b != 0, errorMessage);
return a % b;
}
} | /**
* @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.
*/ | NatSpecMultiLine | mod | function mod(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),
* 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.
*/ | NatSpecMultiLine | v0.6.12+commit.27d51765 | MIT | ipfs://dfd7e7ed6489eac8e7c41b6125b0a39d58298c2b36bd66f46857a91853b0164c | {
"func_code_index": [
4546,
4717
]
} | 4,678 |
Fubuki | Fubuki.sol | 0xf70d834287bbd0324ebb6a5fd20334a16d695256 | Solidity | Address | 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
* ====
*/
function isContract(address account) internal view returns (bool) {
// According to EIP-1052, 0x0 is the value returned for not-yet created accounts
// and 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470 is returned
// for accounts without code, i.e. `keccak256('')`
bytes32 codehash;
bytes32 accountHash = 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470;
// solhint-disable-next-line no-inline-assembly
assembly { codehash := extcodehash(account) }
return (codehash != accountHash && codehash != 0x0);
}
/**
* @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");
// solhint-disable-next-line avoid-low-level-calls, avoid-call-value
(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");
return _functionCallWithValue(target, data, value, errorMessage);
}
function _functionCallWithValue(address target, bytes memory data, uint256 weiValue, string memory errorMessage) private returns (bytes memory) {
require(isContract(target), "Address: call to non-contract");
// solhint-disable-next-line avoid-low-level-calls
(bool success, bytes memory returndata) = target.call{ value: weiValue }(data);
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
// solhint-disable-next-line no-inline-assembly
assembly {
let returndata_size := mload(returndata)
revert(add(32, returndata), returndata_size)
}
} else {
revert(errorMessage);
}
}
}
} | /**
* @dev Collection of functions related to the address type
*/ | NatSpecMultiLine | isContract | function isContract(address account) internal view returns (bool) {
// According to EIP-1052, 0x0 is the value returned for not-yet created accounts
// and 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470 is returned
// for accounts without code, i.e. `keccak256('')`
bytes32 codehash;
bytes32 accountHash = 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470;
// solhint-disable-next-line no-inline-assembly
assembly { codehash := extcodehash(account) }
return (codehash != accountHash && codehash != 0x0);
}
| /**
* @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
* ====
*/ | NatSpecMultiLine | v0.6.12+commit.27d51765 | MIT | ipfs://dfd7e7ed6489eac8e7c41b6125b0a39d58298c2b36bd66f46857a91853b0164c | {
"func_code_index": [
606,
1230
]
} | 4,679 |
Fubuki | Fubuki.sol | 0xf70d834287bbd0324ebb6a5fd20334a16d695256 | Solidity | Address | 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
* ====
*/
function isContract(address account) internal view returns (bool) {
// According to EIP-1052, 0x0 is the value returned for not-yet created accounts
// and 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470 is returned
// for accounts without code, i.e. `keccak256('')`
bytes32 codehash;
bytes32 accountHash = 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470;
// solhint-disable-next-line no-inline-assembly
assembly { codehash := extcodehash(account) }
return (codehash != accountHash && codehash != 0x0);
}
/**
* @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");
// solhint-disable-next-line avoid-low-level-calls, avoid-call-value
(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");
return _functionCallWithValue(target, data, value, errorMessage);
}
function _functionCallWithValue(address target, bytes memory data, uint256 weiValue, string memory errorMessage) private returns (bytes memory) {
require(isContract(target), "Address: call to non-contract");
// solhint-disable-next-line avoid-low-level-calls
(bool success, bytes memory returndata) = target.call{ value: weiValue }(data);
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
// solhint-disable-next-line no-inline-assembly
assembly {
let returndata_size := mload(returndata)
revert(add(32, returndata), returndata_size)
}
} else {
revert(errorMessage);
}
}
}
} | /**
* @dev Collection of functions related to the address type
*/ | NatSpecMultiLine | sendValue | function sendValue(address payable recipient, uint256 amount) internal {
require(address(this).balance >= amount, "Address: insufficient balance");
// solhint-disable-next-line avoid-low-level-calls, avoid-call-value
(bool success, ) = recipient.call{ value: amount }("");
require(success, "Address: unable to send value, recipient may have reverted");
}
| /**
* @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].
*/ | NatSpecMultiLine | v0.6.12+commit.27d51765 | MIT | ipfs://dfd7e7ed6489eac8e7c41b6125b0a39d58298c2b36bd66f46857a91853b0164c | {
"func_code_index": [
2160,
2562
]
} | 4,680 |
Fubuki | Fubuki.sol | 0xf70d834287bbd0324ebb6a5fd20334a16d695256 | Solidity | Address | 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
* ====
*/
function isContract(address account) internal view returns (bool) {
// According to EIP-1052, 0x0 is the value returned for not-yet created accounts
// and 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470 is returned
// for accounts without code, i.e. `keccak256('')`
bytes32 codehash;
bytes32 accountHash = 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470;
// solhint-disable-next-line no-inline-assembly
assembly { codehash := extcodehash(account) }
return (codehash != accountHash && codehash != 0x0);
}
/**
* @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");
// solhint-disable-next-line avoid-low-level-calls, avoid-call-value
(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");
return _functionCallWithValue(target, data, value, errorMessage);
}
function _functionCallWithValue(address target, bytes memory data, uint256 weiValue, string memory errorMessage) private returns (bytes memory) {
require(isContract(target), "Address: call to non-contract");
// solhint-disable-next-line avoid-low-level-calls
(bool success, bytes memory returndata) = target.call{ value: weiValue }(data);
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
// solhint-disable-next-line no-inline-assembly
assembly {
let returndata_size := mload(returndata)
revert(add(32, returndata), returndata_size)
}
} else {
revert(errorMessage);
}
}
}
} | /**
* @dev Collection of functions related to the address type
*/ | NatSpecMultiLine | functionCall | function functionCall(address target, bytes memory data) internal returns (bytes memory) {
return functionCall(target, data, "Address: low-level call failed");
}
| /**
* @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._
*/ | NatSpecMultiLine | v0.6.12+commit.27d51765 | MIT | ipfs://dfd7e7ed6489eac8e7c41b6125b0a39d58298c2b36bd66f46857a91853b0164c | {
"func_code_index": [
3318,
3496
]
} | 4,681 |
Fubuki | Fubuki.sol | 0xf70d834287bbd0324ebb6a5fd20334a16d695256 | Solidity | Address | 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
* ====
*/
function isContract(address account) internal view returns (bool) {
// According to EIP-1052, 0x0 is the value returned for not-yet created accounts
// and 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470 is returned
// for accounts without code, i.e. `keccak256('')`
bytes32 codehash;
bytes32 accountHash = 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470;
// solhint-disable-next-line no-inline-assembly
assembly { codehash := extcodehash(account) }
return (codehash != accountHash && codehash != 0x0);
}
/**
* @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");
// solhint-disable-next-line avoid-low-level-calls, avoid-call-value
(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");
return _functionCallWithValue(target, data, value, errorMessage);
}
function _functionCallWithValue(address target, bytes memory data, uint256 weiValue, string memory errorMessage) private returns (bytes memory) {
require(isContract(target), "Address: call to non-contract");
// solhint-disable-next-line avoid-low-level-calls
(bool success, bytes memory returndata) = target.call{ value: weiValue }(data);
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
// solhint-disable-next-line no-inline-assembly
assembly {
let returndata_size := mload(returndata)
revert(add(32, returndata), returndata_size)
}
} else {
revert(errorMessage);
}
}
}
} | /**
* @dev Collection of functions related to the address type
*/ | NatSpecMultiLine | functionCall | 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 with
* `errorMessage` as a fallback revert reason when `target` reverts.
*
* _Available since v3.1._
*/ | NatSpecMultiLine | v0.6.12+commit.27d51765 | MIT | ipfs://dfd7e7ed6489eac8e7c41b6125b0a39d58298c2b36bd66f46857a91853b0164c | {
"func_code_index": [
3721,
3922
]
} | 4,682 |
Fubuki | Fubuki.sol | 0xf70d834287bbd0324ebb6a5fd20334a16d695256 | Solidity | Address | 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
* ====
*/
function isContract(address account) internal view returns (bool) {
// According to EIP-1052, 0x0 is the value returned for not-yet created accounts
// and 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470 is returned
// for accounts without code, i.e. `keccak256('')`
bytes32 codehash;
bytes32 accountHash = 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470;
// solhint-disable-next-line no-inline-assembly
assembly { codehash := extcodehash(account) }
return (codehash != accountHash && codehash != 0x0);
}
/**
* @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");
// solhint-disable-next-line avoid-low-level-calls, avoid-call-value
(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");
return _functionCallWithValue(target, data, value, errorMessage);
}
function _functionCallWithValue(address target, bytes memory data, uint256 weiValue, string memory errorMessage) private returns (bytes memory) {
require(isContract(target), "Address: call to non-contract");
// solhint-disable-next-line avoid-low-level-calls
(bool success, bytes memory returndata) = target.call{ value: weiValue }(data);
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
// solhint-disable-next-line no-inline-assembly
assembly {
let returndata_size := mload(returndata)
revert(add(32, returndata), returndata_size)
}
} else {
revert(errorMessage);
}
}
}
} | /**
* @dev Collection of functions related to the address type
*/ | NatSpecMultiLine | functionCallWithValue | 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-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._
*/ | NatSpecMultiLine | v0.6.12+commit.27d51765 | MIT | ipfs://dfd7e7ed6489eac8e7c41b6125b0a39d58298c2b36bd66f46857a91853b0164c | {
"func_code_index": [
4292,
4523
]
} | 4,683 |
Fubuki | Fubuki.sol | 0xf70d834287bbd0324ebb6a5fd20334a16d695256 | Solidity | Address | 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
* ====
*/
function isContract(address account) internal view returns (bool) {
// According to EIP-1052, 0x0 is the value returned for not-yet created accounts
// and 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470 is returned
// for accounts without code, i.e. `keccak256('')`
bytes32 codehash;
bytes32 accountHash = 0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470;
// solhint-disable-next-line no-inline-assembly
assembly { codehash := extcodehash(account) }
return (codehash != accountHash && codehash != 0x0);
}
/**
* @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");
// solhint-disable-next-line avoid-low-level-calls, avoid-call-value
(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");
return _functionCallWithValue(target, data, value, errorMessage);
}
function _functionCallWithValue(address target, bytes memory data, uint256 weiValue, string memory errorMessage) private returns (bytes memory) {
require(isContract(target), "Address: call to non-contract");
// solhint-disable-next-line avoid-low-level-calls
(bool success, bytes memory returndata) = target.call{ value: weiValue }(data);
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
// solhint-disable-next-line no-inline-assembly
assembly {
let returndata_size := mload(returndata)
revert(add(32, returndata), returndata_size)
}
} else {
revert(errorMessage);
}
}
}
} | /**
* @dev Collection of functions related to the address type
*/ | NatSpecMultiLine | functionCallWithValue | 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");
return _functionCallWithValue(target, data, value, errorMessage);
}
| /**
* @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._
*/ | NatSpecMultiLine | v0.6.12+commit.27d51765 | MIT | ipfs://dfd7e7ed6489eac8e7c41b6125b0a39d58298c2b36bd66f46857a91853b0164c | {
"func_code_index": [
4774,
5095
]
} | 4,684 |
Fubuki | Fubuki.sol | 0xf70d834287bbd0324ebb6a5fd20334a16d695256 | Solidity | Ownable | contract Ownable is Context {
address private _owner;
address private _previousOwner;
uint256 private _lockTime;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
/**
* @dev Initializes the contract setting the deployer as the initial owner.
*/
constructor () internal {
address msgSender = _msgSender();
_owner = msgSender;
emit OwnershipTransferred(address(0), msgSender);
}
/**
* @dev Returns the address of the current owner.
*/
function owner() public view returns (address) {
return _owner;
}
/**
* @dev Throws if called by any account other than the owner.
*/
modifier onlyOwner() {
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 {
emit OwnershipTransferred(_owner, address(0));
_owner = 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");
emit OwnershipTransferred(_owner, newOwner);
_owner = newOwner;
}
function geUnlockTime() public view returns (uint256) {
return _lockTime;
}
//Locks the contract for owner for the amount of time provided
function lock(uint256 time) public virtual onlyOwner {
_previousOwner = _owner;
_owner = address(0);
_lockTime = now + time;
emit OwnershipTransferred(_owner, address(0));
}
//Unlocks the contract for owner when _lockTime is exceeds
function unlock() public virtual {
require(_previousOwner == msg.sender, "You don't have permission to unlock");
require(now > _lockTime , "Contract is locked until 7 days");
emit OwnershipTransferred(_owner, _previousOwner);
_owner = _previousOwner;
}
} | /**
* @dev Contract module which provides a basic access control mechanism, where
* there is an account (an owner) that can be granted exclusive access to
* specific functions.
*
* By default, the owner account will be the one that deploys the contract. This
* can later be changed with {transferOwnership}.
*
* This module is used through inheritance. It will make available the modifier
* `onlyOwner`, which can be applied to your functions to restrict their use to
* the owner.
*/ | NatSpecMultiLine | owner | function owner() public view returns (address) {
return _owner;
}
| /**
* @dev Returns the address of the current owner.
*/ | NatSpecMultiLine | v0.6.12+commit.27d51765 | MIT | ipfs://dfd7e7ed6489eac8e7c41b6125b0a39d58298c2b36bd66f46857a91853b0164c | {
"func_code_index": [
566,
650
]
} | 4,685 |
Fubuki | Fubuki.sol | 0xf70d834287bbd0324ebb6a5fd20334a16d695256 | Solidity | Ownable | contract Ownable is Context {
address private _owner;
address private _previousOwner;
uint256 private _lockTime;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
/**
* @dev Initializes the contract setting the deployer as the initial owner.
*/
constructor () internal {
address msgSender = _msgSender();
_owner = msgSender;
emit OwnershipTransferred(address(0), msgSender);
}
/**
* @dev Returns the address of the current owner.
*/
function owner() public view returns (address) {
return _owner;
}
/**
* @dev Throws if called by any account other than the owner.
*/
modifier onlyOwner() {
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 {
emit OwnershipTransferred(_owner, address(0));
_owner = 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");
emit OwnershipTransferred(_owner, newOwner);
_owner = newOwner;
}
function geUnlockTime() public view returns (uint256) {
return _lockTime;
}
//Locks the contract for owner for the amount of time provided
function lock(uint256 time) public virtual onlyOwner {
_previousOwner = _owner;
_owner = address(0);
_lockTime = now + time;
emit OwnershipTransferred(_owner, address(0));
}
//Unlocks the contract for owner when _lockTime is exceeds
function unlock() public virtual {
require(_previousOwner == msg.sender, "You don't have permission to unlock");
require(now > _lockTime , "Contract is locked until 7 days");
emit OwnershipTransferred(_owner, _previousOwner);
_owner = _previousOwner;
}
} | /**
* @dev Contract module which provides a basic access control mechanism, where
* there is an account (an owner) that can be granted exclusive access to
* specific functions.
*
* By default, the owner account will be the one that deploys the contract. This
* can later be changed with {transferOwnership}.
*
* This module is used through inheritance. It will make available the modifier
* `onlyOwner`, which can be applied to your functions to restrict their use to
* the owner.
*/ | NatSpecMultiLine | renounceOwnership | function renounceOwnership() public virtual onlyOwner {
emit OwnershipTransferred(_owner, address(0));
_owner = address(0);
}
| /**
* @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.
*/ | NatSpecMultiLine | v0.6.12+commit.27d51765 | MIT | ipfs://dfd7e7ed6489eac8e7c41b6125b0a39d58298c2b36bd66f46857a91853b0164c | {
"func_code_index": [
1209,
1362
]
} | 4,686 |
Fubuki | Fubuki.sol | 0xf70d834287bbd0324ebb6a5fd20334a16d695256 | Solidity | Ownable | contract Ownable is Context {
address private _owner;
address private _previousOwner;
uint256 private _lockTime;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
/**
* @dev Initializes the contract setting the deployer as the initial owner.
*/
constructor () internal {
address msgSender = _msgSender();
_owner = msgSender;
emit OwnershipTransferred(address(0), msgSender);
}
/**
* @dev Returns the address of the current owner.
*/
function owner() public view returns (address) {
return _owner;
}
/**
* @dev Throws if called by any account other than the owner.
*/
modifier onlyOwner() {
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 {
emit OwnershipTransferred(_owner, address(0));
_owner = 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");
emit OwnershipTransferred(_owner, newOwner);
_owner = newOwner;
}
function geUnlockTime() public view returns (uint256) {
return _lockTime;
}
//Locks the contract for owner for the amount of time provided
function lock(uint256 time) public virtual onlyOwner {
_previousOwner = _owner;
_owner = address(0);
_lockTime = now + time;
emit OwnershipTransferred(_owner, address(0));
}
//Unlocks the contract for owner when _lockTime is exceeds
function unlock() public virtual {
require(_previousOwner == msg.sender, "You don't have permission to unlock");
require(now > _lockTime , "Contract is locked until 7 days");
emit OwnershipTransferred(_owner, _previousOwner);
_owner = _previousOwner;
}
} | /**
* @dev Contract module which provides a basic access control mechanism, where
* there is an account (an owner) that can be granted exclusive access to
* specific functions.
*
* By default, the owner account will be the one that deploys the contract. This
* can later be changed with {transferOwnership}.
*
* This module is used through inheritance. It will make available the modifier
* `onlyOwner`, which can be applied to your functions to restrict their use to
* the owner.
*/ | NatSpecMultiLine | transferOwnership | function transferOwnership(address newOwner) public virtual onlyOwner {
require(newOwner != address(0), "Ownable: new owner is the zero address");
emit OwnershipTransferred(_owner, newOwner);
_owner = newOwner;
}
| /**
* @dev Transfers ownership of the contract to a new account (`newOwner`).
* Can only be called by the current owner.
*/ | NatSpecMultiLine | v0.6.12+commit.27d51765 | MIT | ipfs://dfd7e7ed6489eac8e7c41b6125b0a39d58298c2b36bd66f46857a91853b0164c | {
"func_code_index": [
1512,
1761
]
} | 4,687 |
Fubuki | Fubuki.sol | 0xf70d834287bbd0324ebb6a5fd20334a16d695256 | Solidity | Ownable | contract Ownable is Context {
address private _owner;
address private _previousOwner;
uint256 private _lockTime;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
/**
* @dev Initializes the contract setting the deployer as the initial owner.
*/
constructor () internal {
address msgSender = _msgSender();
_owner = msgSender;
emit OwnershipTransferred(address(0), msgSender);
}
/**
* @dev Returns the address of the current owner.
*/
function owner() public view returns (address) {
return _owner;
}
/**
* @dev Throws if called by any account other than the owner.
*/
modifier onlyOwner() {
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 {
emit OwnershipTransferred(_owner, address(0));
_owner = 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");
emit OwnershipTransferred(_owner, newOwner);
_owner = newOwner;
}
function geUnlockTime() public view returns (uint256) {
return _lockTime;
}
//Locks the contract for owner for the amount of time provided
function lock(uint256 time) public virtual onlyOwner {
_previousOwner = _owner;
_owner = address(0);
_lockTime = now + time;
emit OwnershipTransferred(_owner, address(0));
}
//Unlocks the contract for owner when _lockTime is exceeds
function unlock() public virtual {
require(_previousOwner == msg.sender, "You don't have permission to unlock");
require(now > _lockTime , "Contract is locked until 7 days");
emit OwnershipTransferred(_owner, _previousOwner);
_owner = _previousOwner;
}
} | /**
* @dev Contract module which provides a basic access control mechanism, where
* there is an account (an owner) that can be granted exclusive access to
* specific functions.
*
* By default, the owner account will be the one that deploys the contract. This
* can later be changed with {transferOwnership}.
*
* This module is used through inheritance. It will make available the modifier
* `onlyOwner`, which can be applied to your functions to restrict their use to
* the owner.
*/ | NatSpecMultiLine | lock | function lock(uint256 time) public virtual onlyOwner {
_previousOwner = _owner;
_owner = address(0);
_lockTime = now + time;
emit OwnershipTransferred(_owner, address(0));
}
| //Locks the contract for owner for the amount of time provided | LineComment | v0.6.12+commit.27d51765 | MIT | ipfs://dfd7e7ed6489eac8e7c41b6125b0a39d58298c2b36bd66f46857a91853b0164c | {
"func_code_index": [
1929,
2148
]
} | 4,688 |
Fubuki | Fubuki.sol | 0xf70d834287bbd0324ebb6a5fd20334a16d695256 | Solidity | Ownable | contract Ownable is Context {
address private _owner;
address private _previousOwner;
uint256 private _lockTime;
event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);
/**
* @dev Initializes the contract setting the deployer as the initial owner.
*/
constructor () internal {
address msgSender = _msgSender();
_owner = msgSender;
emit OwnershipTransferred(address(0), msgSender);
}
/**
* @dev Returns the address of the current owner.
*/
function owner() public view returns (address) {
return _owner;
}
/**
* @dev Throws if called by any account other than the owner.
*/
modifier onlyOwner() {
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 {
emit OwnershipTransferred(_owner, address(0));
_owner = 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");
emit OwnershipTransferred(_owner, newOwner);
_owner = newOwner;
}
function geUnlockTime() public view returns (uint256) {
return _lockTime;
}
//Locks the contract for owner for the amount of time provided
function lock(uint256 time) public virtual onlyOwner {
_previousOwner = _owner;
_owner = address(0);
_lockTime = now + time;
emit OwnershipTransferred(_owner, address(0));
}
//Unlocks the contract for owner when _lockTime is exceeds
function unlock() public virtual {
require(_previousOwner == msg.sender, "You don't have permission to unlock");
require(now > _lockTime , "Contract is locked until 7 days");
emit OwnershipTransferred(_owner, _previousOwner);
_owner = _previousOwner;
}
} | /**
* @dev Contract module which provides a basic access control mechanism, where
* there is an account (an owner) that can be granted exclusive access to
* specific functions.
*
* By default, the owner account will be the one that deploys the contract. This
* can later be changed with {transferOwnership}.
*
* This module is used through inheritance. It will make available the modifier
* `onlyOwner`, which can be applied to your functions to restrict their use to
* the owner.
*/ | NatSpecMultiLine | unlock | function unlock() public virtual {
require(_previousOwner == msg.sender, "You don't have permission to unlock");
require(now > _lockTime , "Contract is locked until 7 days");
emit OwnershipTransferred(_owner, _previousOwner);
_owner = _previousOwner;
}
| //Unlocks the contract for owner when _lockTime is exceeds | LineComment | v0.6.12+commit.27d51765 | MIT | ipfs://dfd7e7ed6489eac8e7c41b6125b0a39d58298c2b36bd66f46857a91853b0164c | {
"func_code_index": [
2219,
2517
]
} | 4,689 |
Fubuki | Fubuki.sol | 0xf70d834287bbd0324ebb6a5fd20334a16d695256 | Solidity | Fubuki | contract Fubuki is Context, IERC20, Ownable {
using SafeMath for uint256;
using Address for address;
mapping (address => uint256) private _rOwned;
mapping (address => uint256) private _tOwned;
mapping (address => mapping (address => uint256)) private _allowances;
mapping (address => bool) private _isExcludedFromFee;
mapping (address => bool) private _isExcludedFromMax;
mapping (address => bool) private _isExcluded;
mapping (address => bool) isBlacklisted;
address[] private _excluded;
uint256 private constant MAX = ~uint256(0);
uint256 private _tTotal = 100000069 * 10**18;
uint256 private _rTotal = (MAX - (MAX % _tTotal));
uint256 private _tFeeTotal;
address private _devAddress = 0xF3C38c8dD73557c03558d56CC1f36DcCB5BA01EC;
address private _burnAddress = 0x0000000000000000000000000000000000000001;
string private _name = "Fubuki Token";
string private _symbol = "FUBUKI";
uint8 private _decimals = 18;
uint256 public _taxFee = 2;
uint256 private _previousTaxFee = _taxFee;
uint256 public _devFee = 5;
uint256 private _previousDevFee = _devFee;
uint256 public _burnFee = 2;
uint256 private _previousBurnFee = _burnFee;
uint256 private _beforeLaunchFee = 99;
uint256 private _previousBeforeLaunchFee = _beforeLaunchFee;
uint256 public launchedAt;
uint256 public launchedAtTimestamp;
IUniswapV2Router02 public immutable uniswapV2Router;
address public uniswapV2Pair;
uint256 public _maxTxAmount = _tTotal.div(200).mul(1);
uint256 public _maxWalletToken = _tTotal.div(100).mul(1);
constructor () public {
_rOwned[_msgSender()] = _rTotal;
IUniswapV2Router02 _uniswapV2Router = IUniswapV2Router02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);
// Create a uniswap pair for this new token
uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory())
.createPair(address(this), _uniswapV2Router.WETH());
// set the rest of the contract variables
uniswapV2Router = _uniswapV2Router;
// exclude owner, dev wallet, and this contract from fee
_isExcludedFromFee[owner()] = true;
_isExcludedFromFee[address(this)] = true;
_isExcludedFromFee[_devAddress] = true;
_isExcludedFromMax[owner()] = true;
_isExcludedFromMax[address(this)] = true;
_isExcludedFromMax[_devAddress] = true;
_isExcludedFromMax[uniswapV2Pair] = true;
emit Transfer(address(0), _msgSender(), _tTotal);
}
function name() public view returns (string memory) {
return _name;
}
function symbol() public view returns (string memory) {
return _symbol;
}
function decimals() public view returns (uint8) {
return _decimals;
}
function totalSupply() public view override returns (uint256) {
return _tTotal;
}
function balanceOf(address account) public view override returns (uint256) {
if (_isExcluded[account]) return _tOwned[account];
return tokenFromReflection(_rOwned[account]);
}
function transfer(address recipient, uint256 amount) public override returns (bool) {
_transfer(_msgSender(), recipient, amount);
return true;
}
function allowance(address owner, address spender) public view override returns (uint256) {
return _allowances[owner][spender];
}
function approve(address spender, uint256 amount) public override returns (bool) {
_approve(_msgSender(), spender, amount);
return true;
}
function transferFrom(address sender, address recipient, uint256 amount) public override returns (bool) {
_transfer(sender, recipient, amount);
_approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance"));
return true;
}
function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue));
return true;
}
function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, "ERC20: decreased allowance below zero"));
return true;
}
function isExcludedFromReward(address account) public view returns (bool) {
return _isExcluded[account];
}
function setIsBlacklisted(address account, bool blacklisted) external onlyOwner() {
isBlacklisted[account] = blacklisted;
}
function blacklistMultipleAccounts(address[] calldata accounts, bool blacklisted) external onlyOwner() {
for (uint256 i = 0; i < accounts.length; i++) {
isBlacklisted[accounts[i]] = blacklisted;
}
}
function isAccountBlacklisted(address account) external view returns (bool) {
return isBlacklisted[account];
}
function isExcludedFromMax(address holder, bool exempt) external onlyOwner() {
_isExcludedFromMax[holder] = exempt;
}
function totalFees() public view returns (uint256) {
return _tFeeTotal;
}
function burnAddress() public view returns (address) {
return _burnAddress;
}
function devAddress() public view returns (address) {
return _devAddress;
}
function launch() public onlyOwner() {
require(launchedAt == 0, "Already launched.");
launchedAt = block.number;
launchedAtTimestamp = block.timestamp;
}
function deliver(uint256 tAmount) public {
address sender = _msgSender();
require(!_isExcluded[sender], "Excluded addresses cannot call this function");
(,uint256 tFee, uint256 tDev, uint256 tBurn) = _getTValues(tAmount);
(uint256 rAmount,,) = _getRValues(tAmount, tFee, tDev, tBurn, _getRate());
_rOwned[sender] = _rOwned[sender].sub(rAmount);
_rTotal = _rTotal.sub(rAmount);
_tFeeTotal = _tFeeTotal.add(tAmount);
}
function reflectionFromToken(uint256 tAmount, bool deductTransferFee) public view returns(uint256) {
require(tAmount <= _tTotal, "Amount must be less than supply");
(,uint256 tFee, uint256 tDev, uint256 tBurn) = _getTValues(tAmount);
(uint256 rAmount, uint256 rTransferAmount,) = _getRValues(tAmount, tFee, tDev, tBurn, _getRate());
if (!deductTransferFee) {
return rAmount;
} else {
return rTransferAmount;
}
}
function tokenFromReflection(uint256 rAmount) public view returns(uint256) {
require(rAmount <= _rTotal, "Amount must be less than total reflections");
uint256 currentRate = _getRate();
return rAmount.div(currentRate);
}
function excludeFromReward(address account) public onlyOwner() {
require(!_isExcluded[account], "Account is already excluded");
if(_rOwned[account] > 0) {
_tOwned[account] = tokenFromReflection(_rOwned[account]);
}
_isExcluded[account] = true;
_excluded.push(account);
}
function includeInReward(address account) external onlyOwner() {
require(_isExcluded[account], "Account is not excluded");
for (uint256 i = 0; i < _excluded.length; i++) {
if (_excluded[i] == account) {
_excluded[i] = _excluded[_excluded.length - 1];
_tOwned[account] = 0;
_isExcluded[account] = false;
_excluded.pop();
break;
}
}
}
function _transferBothExcluded(address sender, address recipient, uint256 tAmount) private {
(uint256 tTransferAmount, uint256 tFee, uint256 tDev, uint256 tBurn) = _getTValues(tAmount);
(uint256 rAmount, uint256 rTransferAmount, uint256 rFee) = _getRValues(tAmount, tFee, tDev, tBurn, _getRate());
_tOwned[sender] = _tOwned[sender].sub(tAmount);
_rOwned[sender] = _rOwned[sender].sub(rAmount);
_tOwned[recipient] = _tOwned[recipient].add(tTransferAmount);
_rOwned[recipient] = _rOwned[recipient].add(rTransferAmount);
_takeDevFee(tDev);
_takeBurnFee(tBurn);
_reflectFee(rFee, tFee);
emit Transfer(sender, recipient, tTransferAmount);
}
function excludeFromFee(address account) public onlyOwner {
_isExcludedFromFee[account] = true;
}
function includeInFee(address account) public onlyOwner {
_isExcludedFromFee[account] = false;
}
function setTaxFeePercent(uint256 taxFee) external onlyOwner() {
_taxFee = taxFee;
}
function setMaxTxPercent(uint256 maxTxPercent) external onlyOwner() {
_maxTxAmount = _tTotal.mul(maxTxPercent).div(
10**2
);
}
function setMaxWalletPercent(uint256 maxWalletToken) external onlyOwner() {
_maxWalletToken = _tTotal.mul(maxWalletToken).div(
10**2
);
}
//to recieve ETH from uniswapV2Router when swapping
receive() external payable {}
function _reflectFee(uint256 rFee, uint256 tFee) private {
_rTotal = _rTotal.sub(rFee);
_tFeeTotal = _tFeeTotal.add(tFee);
}
function _getTValues(uint256 tAmount) private view returns (uint256, uint256, uint256, uint256) {
uint256 tFee = calculateTaxFee(tAmount);
uint256 tDev = calculateDevFee(tAmount);
uint256 tBurn = calculateBurnFee(tAmount);
uint256 tTransferAmount = tAmount.sub(tFee).sub(tDev);
tTransferAmount = tTransferAmount.sub(tBurn);
return (tTransferAmount, tFee, tDev, tBurn);
}
function _getRValues(uint256 tAmount, uint256 tFee, uint256 tDev, uint256 tBurn, uint256 currentRate) private pure returns (uint256, uint256, uint256) {
uint256 rAmount = tAmount.mul(currentRate);
uint256 rFee = tFee.mul(currentRate);
uint256 rDev = tDev.mul(currentRate);
uint256 rBurn = tBurn.mul(currentRate);
uint256 rTransferAmount = rAmount.sub(rFee).sub(rDev).sub(rBurn);
return (rAmount, rTransferAmount, rFee);
}
function _getRate() private view returns(uint256) {
(uint256 rSupply, uint256 tSupply) = _getCurrentSupply();
return rSupply.div(tSupply);
}
function _getCurrentSupply() private view returns(uint256, uint256) {
uint256 rSupply = _rTotal;
uint256 tSupply = _tTotal;
for (uint256 i = 0; i < _excluded.length; i++) {
if (_rOwned[_excluded[i]] > rSupply || _tOwned[_excluded[i]] > tSupply) return (_rTotal, _tTotal);
rSupply = rSupply.sub(_rOwned[_excluded[i]]);
tSupply = tSupply.sub(_tOwned[_excluded[i]]);
}
if (rSupply < _rTotal.div(_tTotal)) return (_rTotal, _tTotal);
return (rSupply, tSupply);
}
function _takeDevFee(uint256 tDev) private {
uint256 currentRate = _getRate();
uint256 rDev = tDev.mul(currentRate);
_rOwned[_devAddress] = _rOwned[_devAddress].add(rDev);
if(_isExcluded[_devAddress])
_tOwned[_devAddress] = _tOwned[_devAddress].add(tDev);
}
function _takeBurnFee(uint256 tBurn) private {
uint256 currentRate = _getRate();
uint256 rBurn = tBurn.mul(currentRate);
_rOwned[_burnAddress] = _rOwned[_burnAddress].add(rBurn);
if(_isExcluded[_burnAddress])
_tOwned[_burnAddress] = _tOwned[_burnAddress].add(tBurn);
}
function calculateTaxFee(uint256 _amount) private view returns (uint256) {
uint256 fee = launchedAt == 0 ? 0 : _taxFee;
return _amount.mul(fee).div(
10**2
);
}
function calculateDevFee(uint256 _amount) private view returns (uint256) {
uint256 fee = launchedAt == 0 ? 0 : _devFee;
return _amount.mul(fee).div(
10**2
);
}
function calculateBurnFee(uint256 _amount) private view returns (uint256) {
uint256 fee = launchedAt == 0 ? _beforeLaunchFee : _burnFee;
return _amount.mul(fee).div(
10**2
);
}
function removeAllFee() private {
if(_taxFee == 0 && _devFee == 0) return;
_previousTaxFee = _taxFee;
_previousDevFee = _devFee;
_previousBurnFee = _burnFee;
_previousBeforeLaunchFee = _beforeLaunchFee;
_taxFee = 0;
_devFee = 0;
_burnFee = 0;
_beforeLaunchFee = 0;
}
function restoreAllFee() private {
_taxFee = _previousTaxFee;
_devFee = _previousDevFee;
_burnFee = _previousBurnFee;
_beforeLaunchFee = _previousBeforeLaunchFee;
}
function isExcludedFromFee(address account) public view returns(bool) {
return _isExcludedFromFee[account];
}
function _approve(address owner, address spender, uint256 amount) private {
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);
}
function _transfer(
address from,
address to,
uint256 amount
) private {
require(from != address(0), "ERC20: transfer from the zero address");
require(to != address(0), "ERC20: transfer to the zero address");
require(amount > 0, "Transfer amount must be greater than zero");
require(!isBlacklisted[from], "Blacklisted address");
if(!_isExcludedFromMax[from] || !_isExcludedFromMax[to]) {
require(amount <= _maxTxAmount, "Transfer amount exceeds the maxTxAmount.");
uint256 heldTokens = balanceOf(to);
require((heldTokens + amount) <= _maxWalletToken, "Total Holding is currently limited, you can not buy that much.");
}
//indicates if fee should be deducted from transfer
bool takeFee = true;
//if any account belongs to _isExcludedFromFee account then remove the fee
if(_isExcludedFromFee[from] || _isExcludedFromFee[to]){
takeFee = false;
}
//transfer amount, it will take tax, burn fee
_tokenTransfer(from,to,amount,takeFee);
}
function swapTokensForEth(uint256 tokenAmount) private {
// generate the uniswap pair path of token -> weth
address[] memory path = new address[](2);
path[0] = address(this);
path[1] = uniswapV2Router.WETH();
_approve(address(this), address(uniswapV2Router), tokenAmount);
// make the swap
uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(
tokenAmount,
0, // accept any amount of ETH
path,
address(this),
block.timestamp
);
}
//this method is responsible for taking all fee, if takeFee is true
function _tokenTransfer(address sender, address recipient, uint256 amount,bool takeFee) private {
if(!takeFee)
removeAllFee();
if (_isExcluded[sender] && !_isExcluded[recipient]) {
_transferFromExcluded(sender, recipient, amount);
} else if (!_isExcluded[sender] && _isExcluded[recipient]) {
_transferToExcluded(sender, recipient, amount);
} else if (!_isExcluded[sender] && !_isExcluded[recipient]) {
_transferStandard(sender, recipient, amount);
} else if (_isExcluded[sender] && _isExcluded[recipient]) {
_transferBothExcluded(sender, recipient, amount);
} else {
_transferStandard(sender, recipient, amount);
}
if(!takeFee)
restoreAllFee();
}
function _transferStandard(address sender, address recipient, uint256 tAmount) private {
(uint256 tTransferAmount, uint256 tFee, uint256 tDev, uint256 tBurn) = _getTValues(tAmount);
(uint256 rAmount, uint256 rTransferAmount, uint256 rFee) = _getRValues(tAmount, tFee, tDev, tBurn, _getRate());
_rOwned[sender] = _rOwned[sender].sub(rAmount);
_rOwned[recipient] = _rOwned[recipient].add(rTransferAmount);
_takeDevFee(tDev);
_takeBurnFee(tBurn);
_reflectFee(rFee, tFee);
emit Transfer(sender, recipient, tTransferAmount);
}
function _transferToExcluded(address sender, address recipient, uint256 tAmount) private {
(uint256 tTransferAmount, uint256 tFee, uint256 tDev, uint256 tBurn) = _getTValues(tAmount);
(uint256 rAmount, uint256 rTransferAmount, uint256 rFee) = _getRValues(tAmount, tFee, tDev, tBurn, _getRate());
_rOwned[sender] = _rOwned[sender].sub(rAmount);
_tOwned[recipient] = _tOwned[recipient].add(tTransferAmount);
_rOwned[recipient] = _rOwned[recipient].add(rTransferAmount);
_takeDevFee(tDev);
_takeBurnFee(tBurn);
_reflectFee(rFee, tFee);
emit Transfer(sender, recipient, tTransferAmount);
}
function _transferFromExcluded(address sender, address recipient, uint256 tAmount) private {
(uint256 tTransferAmount, uint256 tFee, uint256 tDev, uint256 tBurn) = _getTValues(tAmount);
(uint256 rAmount, uint256 rTransferAmount, uint256 rFee) = _getRValues(tAmount, tFee, tDev, tBurn, _getRate());
_tOwned[sender] = _tOwned[sender].sub(tAmount);
_rOwned[sender] = _rOwned[sender].sub(rAmount);
_rOwned[recipient] = _rOwned[recipient].add(rTransferAmount);
_takeDevFee(tDev);
_takeBurnFee(tBurn);
_reflectFee(rFee, tFee);
emit Transfer(sender, recipient, tTransferAmount);
}
} | /*
To be modified before deploying this contract for a project:
- Uniswap Router address if not on ETH
- Dev address
*/ | Comment | //to recieve ETH from uniswapV2Router when swapping | LineComment | v0.6.12+commit.27d51765 | MIT | ipfs://dfd7e7ed6489eac8e7c41b6125b0a39d58298c2b36bd66f46857a91853b0164c | {
"func_code_index": [
9469,
9503
]
} | 4,690 |
||
Fubuki | Fubuki.sol | 0xf70d834287bbd0324ebb6a5fd20334a16d695256 | Solidity | Fubuki | contract Fubuki is Context, IERC20, Ownable {
using SafeMath for uint256;
using Address for address;
mapping (address => uint256) private _rOwned;
mapping (address => uint256) private _tOwned;
mapping (address => mapping (address => uint256)) private _allowances;
mapping (address => bool) private _isExcludedFromFee;
mapping (address => bool) private _isExcludedFromMax;
mapping (address => bool) private _isExcluded;
mapping (address => bool) isBlacklisted;
address[] private _excluded;
uint256 private constant MAX = ~uint256(0);
uint256 private _tTotal = 100000069 * 10**18;
uint256 private _rTotal = (MAX - (MAX % _tTotal));
uint256 private _tFeeTotal;
address private _devAddress = 0xF3C38c8dD73557c03558d56CC1f36DcCB5BA01EC;
address private _burnAddress = 0x0000000000000000000000000000000000000001;
string private _name = "Fubuki Token";
string private _symbol = "FUBUKI";
uint8 private _decimals = 18;
uint256 public _taxFee = 2;
uint256 private _previousTaxFee = _taxFee;
uint256 public _devFee = 5;
uint256 private _previousDevFee = _devFee;
uint256 public _burnFee = 2;
uint256 private _previousBurnFee = _burnFee;
uint256 private _beforeLaunchFee = 99;
uint256 private _previousBeforeLaunchFee = _beforeLaunchFee;
uint256 public launchedAt;
uint256 public launchedAtTimestamp;
IUniswapV2Router02 public immutable uniswapV2Router;
address public uniswapV2Pair;
uint256 public _maxTxAmount = _tTotal.div(200).mul(1);
uint256 public _maxWalletToken = _tTotal.div(100).mul(1);
constructor () public {
_rOwned[_msgSender()] = _rTotal;
IUniswapV2Router02 _uniswapV2Router = IUniswapV2Router02(0x7a250d5630B4cF539739dF2C5dAcb4c659F2488D);
// Create a uniswap pair for this new token
uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory())
.createPair(address(this), _uniswapV2Router.WETH());
// set the rest of the contract variables
uniswapV2Router = _uniswapV2Router;
// exclude owner, dev wallet, and this contract from fee
_isExcludedFromFee[owner()] = true;
_isExcludedFromFee[address(this)] = true;
_isExcludedFromFee[_devAddress] = true;
_isExcludedFromMax[owner()] = true;
_isExcludedFromMax[address(this)] = true;
_isExcludedFromMax[_devAddress] = true;
_isExcludedFromMax[uniswapV2Pair] = true;
emit Transfer(address(0), _msgSender(), _tTotal);
}
function name() public view returns (string memory) {
return _name;
}
function symbol() public view returns (string memory) {
return _symbol;
}
function decimals() public view returns (uint8) {
return _decimals;
}
function totalSupply() public view override returns (uint256) {
return _tTotal;
}
function balanceOf(address account) public view override returns (uint256) {
if (_isExcluded[account]) return _tOwned[account];
return tokenFromReflection(_rOwned[account]);
}
function transfer(address recipient, uint256 amount) public override returns (bool) {
_transfer(_msgSender(), recipient, amount);
return true;
}
function allowance(address owner, address spender) public view override returns (uint256) {
return _allowances[owner][spender];
}
function approve(address spender, uint256 amount) public override returns (bool) {
_approve(_msgSender(), spender, amount);
return true;
}
function transferFrom(address sender, address recipient, uint256 amount) public override returns (bool) {
_transfer(sender, recipient, amount);
_approve(sender, _msgSender(), _allowances[sender][_msgSender()].sub(amount, "ERC20: transfer amount exceeds allowance"));
return true;
}
function increaseAllowance(address spender, uint256 addedValue) public virtual returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].add(addedValue));
return true;
}
function decreaseAllowance(address spender, uint256 subtractedValue) public virtual returns (bool) {
_approve(_msgSender(), spender, _allowances[_msgSender()][spender].sub(subtractedValue, "ERC20: decreased allowance below zero"));
return true;
}
function isExcludedFromReward(address account) public view returns (bool) {
return _isExcluded[account];
}
function setIsBlacklisted(address account, bool blacklisted) external onlyOwner() {
isBlacklisted[account] = blacklisted;
}
function blacklistMultipleAccounts(address[] calldata accounts, bool blacklisted) external onlyOwner() {
for (uint256 i = 0; i < accounts.length; i++) {
isBlacklisted[accounts[i]] = blacklisted;
}
}
function isAccountBlacklisted(address account) external view returns (bool) {
return isBlacklisted[account];
}
function isExcludedFromMax(address holder, bool exempt) external onlyOwner() {
_isExcludedFromMax[holder] = exempt;
}
function totalFees() public view returns (uint256) {
return _tFeeTotal;
}
function burnAddress() public view returns (address) {
return _burnAddress;
}
function devAddress() public view returns (address) {
return _devAddress;
}
function launch() public onlyOwner() {
require(launchedAt == 0, "Already launched.");
launchedAt = block.number;
launchedAtTimestamp = block.timestamp;
}
function deliver(uint256 tAmount) public {
address sender = _msgSender();
require(!_isExcluded[sender], "Excluded addresses cannot call this function");
(,uint256 tFee, uint256 tDev, uint256 tBurn) = _getTValues(tAmount);
(uint256 rAmount,,) = _getRValues(tAmount, tFee, tDev, tBurn, _getRate());
_rOwned[sender] = _rOwned[sender].sub(rAmount);
_rTotal = _rTotal.sub(rAmount);
_tFeeTotal = _tFeeTotal.add(tAmount);
}
function reflectionFromToken(uint256 tAmount, bool deductTransferFee) public view returns(uint256) {
require(tAmount <= _tTotal, "Amount must be less than supply");
(,uint256 tFee, uint256 tDev, uint256 tBurn) = _getTValues(tAmount);
(uint256 rAmount, uint256 rTransferAmount,) = _getRValues(tAmount, tFee, tDev, tBurn, _getRate());
if (!deductTransferFee) {
return rAmount;
} else {
return rTransferAmount;
}
}
function tokenFromReflection(uint256 rAmount) public view returns(uint256) {
require(rAmount <= _rTotal, "Amount must be less than total reflections");
uint256 currentRate = _getRate();
return rAmount.div(currentRate);
}
function excludeFromReward(address account) public onlyOwner() {
require(!_isExcluded[account], "Account is already excluded");
if(_rOwned[account] > 0) {
_tOwned[account] = tokenFromReflection(_rOwned[account]);
}
_isExcluded[account] = true;
_excluded.push(account);
}
function includeInReward(address account) external onlyOwner() {
require(_isExcluded[account], "Account is not excluded");
for (uint256 i = 0; i < _excluded.length; i++) {
if (_excluded[i] == account) {
_excluded[i] = _excluded[_excluded.length - 1];
_tOwned[account] = 0;
_isExcluded[account] = false;
_excluded.pop();
break;
}
}
}
function _transferBothExcluded(address sender, address recipient, uint256 tAmount) private {
(uint256 tTransferAmount, uint256 tFee, uint256 tDev, uint256 tBurn) = _getTValues(tAmount);
(uint256 rAmount, uint256 rTransferAmount, uint256 rFee) = _getRValues(tAmount, tFee, tDev, tBurn, _getRate());
_tOwned[sender] = _tOwned[sender].sub(tAmount);
_rOwned[sender] = _rOwned[sender].sub(rAmount);
_tOwned[recipient] = _tOwned[recipient].add(tTransferAmount);
_rOwned[recipient] = _rOwned[recipient].add(rTransferAmount);
_takeDevFee(tDev);
_takeBurnFee(tBurn);
_reflectFee(rFee, tFee);
emit Transfer(sender, recipient, tTransferAmount);
}
function excludeFromFee(address account) public onlyOwner {
_isExcludedFromFee[account] = true;
}
function includeInFee(address account) public onlyOwner {
_isExcludedFromFee[account] = false;
}
function setTaxFeePercent(uint256 taxFee) external onlyOwner() {
_taxFee = taxFee;
}
function setMaxTxPercent(uint256 maxTxPercent) external onlyOwner() {
_maxTxAmount = _tTotal.mul(maxTxPercent).div(
10**2
);
}
function setMaxWalletPercent(uint256 maxWalletToken) external onlyOwner() {
_maxWalletToken = _tTotal.mul(maxWalletToken).div(
10**2
);
}
//to recieve ETH from uniswapV2Router when swapping
receive() external payable {}
function _reflectFee(uint256 rFee, uint256 tFee) private {
_rTotal = _rTotal.sub(rFee);
_tFeeTotal = _tFeeTotal.add(tFee);
}
function _getTValues(uint256 tAmount) private view returns (uint256, uint256, uint256, uint256) {
uint256 tFee = calculateTaxFee(tAmount);
uint256 tDev = calculateDevFee(tAmount);
uint256 tBurn = calculateBurnFee(tAmount);
uint256 tTransferAmount = tAmount.sub(tFee).sub(tDev);
tTransferAmount = tTransferAmount.sub(tBurn);
return (tTransferAmount, tFee, tDev, tBurn);
}
function _getRValues(uint256 tAmount, uint256 tFee, uint256 tDev, uint256 tBurn, uint256 currentRate) private pure returns (uint256, uint256, uint256) {
uint256 rAmount = tAmount.mul(currentRate);
uint256 rFee = tFee.mul(currentRate);
uint256 rDev = tDev.mul(currentRate);
uint256 rBurn = tBurn.mul(currentRate);
uint256 rTransferAmount = rAmount.sub(rFee).sub(rDev).sub(rBurn);
return (rAmount, rTransferAmount, rFee);
}
function _getRate() private view returns(uint256) {
(uint256 rSupply, uint256 tSupply) = _getCurrentSupply();
return rSupply.div(tSupply);
}
function _getCurrentSupply() private view returns(uint256, uint256) {
uint256 rSupply = _rTotal;
uint256 tSupply = _tTotal;
for (uint256 i = 0; i < _excluded.length; i++) {
if (_rOwned[_excluded[i]] > rSupply || _tOwned[_excluded[i]] > tSupply) return (_rTotal, _tTotal);
rSupply = rSupply.sub(_rOwned[_excluded[i]]);
tSupply = tSupply.sub(_tOwned[_excluded[i]]);
}
if (rSupply < _rTotal.div(_tTotal)) return (_rTotal, _tTotal);
return (rSupply, tSupply);
}
function _takeDevFee(uint256 tDev) private {
uint256 currentRate = _getRate();
uint256 rDev = tDev.mul(currentRate);
_rOwned[_devAddress] = _rOwned[_devAddress].add(rDev);
if(_isExcluded[_devAddress])
_tOwned[_devAddress] = _tOwned[_devAddress].add(tDev);
}
function _takeBurnFee(uint256 tBurn) private {
uint256 currentRate = _getRate();
uint256 rBurn = tBurn.mul(currentRate);
_rOwned[_burnAddress] = _rOwned[_burnAddress].add(rBurn);
if(_isExcluded[_burnAddress])
_tOwned[_burnAddress] = _tOwned[_burnAddress].add(tBurn);
}
function calculateTaxFee(uint256 _amount) private view returns (uint256) {
uint256 fee = launchedAt == 0 ? 0 : _taxFee;
return _amount.mul(fee).div(
10**2
);
}
function calculateDevFee(uint256 _amount) private view returns (uint256) {
uint256 fee = launchedAt == 0 ? 0 : _devFee;
return _amount.mul(fee).div(
10**2
);
}
function calculateBurnFee(uint256 _amount) private view returns (uint256) {
uint256 fee = launchedAt == 0 ? _beforeLaunchFee : _burnFee;
return _amount.mul(fee).div(
10**2
);
}
function removeAllFee() private {
if(_taxFee == 0 && _devFee == 0) return;
_previousTaxFee = _taxFee;
_previousDevFee = _devFee;
_previousBurnFee = _burnFee;
_previousBeforeLaunchFee = _beforeLaunchFee;
_taxFee = 0;
_devFee = 0;
_burnFee = 0;
_beforeLaunchFee = 0;
}
function restoreAllFee() private {
_taxFee = _previousTaxFee;
_devFee = _previousDevFee;
_burnFee = _previousBurnFee;
_beforeLaunchFee = _previousBeforeLaunchFee;
}
function isExcludedFromFee(address account) public view returns(bool) {
return _isExcludedFromFee[account];
}
function _approve(address owner, address spender, uint256 amount) private {
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);
}
function _transfer(
address from,
address to,
uint256 amount
) private {
require(from != address(0), "ERC20: transfer from the zero address");
require(to != address(0), "ERC20: transfer to the zero address");
require(amount > 0, "Transfer amount must be greater than zero");
require(!isBlacklisted[from], "Blacklisted address");
if(!_isExcludedFromMax[from] || !_isExcludedFromMax[to]) {
require(amount <= _maxTxAmount, "Transfer amount exceeds the maxTxAmount.");
uint256 heldTokens = balanceOf(to);
require((heldTokens + amount) <= _maxWalletToken, "Total Holding is currently limited, you can not buy that much.");
}
//indicates if fee should be deducted from transfer
bool takeFee = true;
//if any account belongs to _isExcludedFromFee account then remove the fee
if(_isExcludedFromFee[from] || _isExcludedFromFee[to]){
takeFee = false;
}
//transfer amount, it will take tax, burn fee
_tokenTransfer(from,to,amount,takeFee);
}
function swapTokensForEth(uint256 tokenAmount) private {
// generate the uniswap pair path of token -> weth
address[] memory path = new address[](2);
path[0] = address(this);
path[1] = uniswapV2Router.WETH();
_approve(address(this), address(uniswapV2Router), tokenAmount);
// make the swap
uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(
tokenAmount,
0, // accept any amount of ETH
path,
address(this),
block.timestamp
);
}
//this method is responsible for taking all fee, if takeFee is true
function _tokenTransfer(address sender, address recipient, uint256 amount,bool takeFee) private {
if(!takeFee)
removeAllFee();
if (_isExcluded[sender] && !_isExcluded[recipient]) {
_transferFromExcluded(sender, recipient, amount);
} else if (!_isExcluded[sender] && _isExcluded[recipient]) {
_transferToExcluded(sender, recipient, amount);
} else if (!_isExcluded[sender] && !_isExcluded[recipient]) {
_transferStandard(sender, recipient, amount);
} else if (_isExcluded[sender] && _isExcluded[recipient]) {
_transferBothExcluded(sender, recipient, amount);
} else {
_transferStandard(sender, recipient, amount);
}
if(!takeFee)
restoreAllFee();
}
function _transferStandard(address sender, address recipient, uint256 tAmount) private {
(uint256 tTransferAmount, uint256 tFee, uint256 tDev, uint256 tBurn) = _getTValues(tAmount);
(uint256 rAmount, uint256 rTransferAmount, uint256 rFee) = _getRValues(tAmount, tFee, tDev, tBurn, _getRate());
_rOwned[sender] = _rOwned[sender].sub(rAmount);
_rOwned[recipient] = _rOwned[recipient].add(rTransferAmount);
_takeDevFee(tDev);
_takeBurnFee(tBurn);
_reflectFee(rFee, tFee);
emit Transfer(sender, recipient, tTransferAmount);
}
function _transferToExcluded(address sender, address recipient, uint256 tAmount) private {
(uint256 tTransferAmount, uint256 tFee, uint256 tDev, uint256 tBurn) = _getTValues(tAmount);
(uint256 rAmount, uint256 rTransferAmount, uint256 rFee) = _getRValues(tAmount, tFee, tDev, tBurn, _getRate());
_rOwned[sender] = _rOwned[sender].sub(rAmount);
_tOwned[recipient] = _tOwned[recipient].add(tTransferAmount);
_rOwned[recipient] = _rOwned[recipient].add(rTransferAmount);
_takeDevFee(tDev);
_takeBurnFee(tBurn);
_reflectFee(rFee, tFee);
emit Transfer(sender, recipient, tTransferAmount);
}
function _transferFromExcluded(address sender, address recipient, uint256 tAmount) private {
(uint256 tTransferAmount, uint256 tFee, uint256 tDev, uint256 tBurn) = _getTValues(tAmount);
(uint256 rAmount, uint256 rTransferAmount, uint256 rFee) = _getRValues(tAmount, tFee, tDev, tBurn, _getRate());
_tOwned[sender] = _tOwned[sender].sub(tAmount);
_rOwned[sender] = _rOwned[sender].sub(rAmount);
_rOwned[recipient] = _rOwned[recipient].add(rTransferAmount);
_takeDevFee(tDev);
_takeBurnFee(tBurn);
_reflectFee(rFee, tFee);
emit Transfer(sender, recipient, tTransferAmount);
}
} | /*
To be modified before deploying this contract for a project:
- Uniswap Router address if not on ETH
- Dev address
*/ | Comment | _tokenTransfer | function _tokenTransfer(address sender, address recipient, uint256 amount,bool takeFee) private {
if(!takeFee)
removeAllFee();
if (_isExcluded[sender] && !_isExcluded[recipient]) {
_transferFromExcluded(sender, recipient, amount);
} else if (!_isExcluded[sender] && _isExcluded[recipient]) {
_transferToExcluded(sender, recipient, amount);
} else if (!_isExcluded[sender] && !_isExcluded[recipient]) {
_transferStandard(sender, recipient, amount);
} else if (_isExcluded[sender] && _isExcluded[recipient]) {
_transferBothExcluded(sender, recipient, amount);
} else {
_transferStandard(sender, recipient, amount);
}
if(!takeFee)
restoreAllFee();
}
| //this method is responsible for taking all fee, if takeFee is true | LineComment | v0.6.12+commit.27d51765 | MIT | ipfs://dfd7e7ed6489eac8e7c41b6125b0a39d58298c2b36bd66f46857a91853b0164c | {
"func_code_index": [
15556,
16395
]
} | 4,691 |
Authmen | Authmen.sol | 0x89aeca7d3cc04f50e9d2bb635ad84fe8f7e77a9d | Solidity | SafeMath | 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.
*/
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.
*/
function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
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.
*/
function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b != 0, errorMessage);
return a % b;
}
} | /**
* @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.
*/ | NatSpecMultiLine | add | 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 addition of two unsigned integers, reverting on
* overflow.
*
* Counterpart to Solidity's `+` operator.
*
* Requirements:
*
* - Addition cannot overflow.
*/ | NatSpecMultiLine | v0.6.12+commit.27d51765 | MIT | ipfs://e8b107b27904a2c18838844d3321f3b8812c285a7dde18e816b29dd5fec9faf7 | {
"func_code_index": [
259,
445
]
} | 4,692 |
Authmen | Authmen.sol | 0x89aeca7d3cc04f50e9d2bb635ad84fe8f7e77a9d | Solidity | SafeMath | 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.
*/
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.
*/
function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
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.
*/
function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b != 0, errorMessage);
return a % b;
}
} | /**
* @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.
*/ | NatSpecMultiLine | sub | 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 on
* overflow (when the result is negative).
*
* Counterpart to Solidity's `-` operator.
*
* Requirements:
*
* - Subtraction cannot overflow.
*/ | NatSpecMultiLine | v0.6.12+commit.27d51765 | MIT | ipfs://e8b107b27904a2c18838844d3321f3b8812c285a7dde18e816b29dd5fec9faf7 | {
"func_code_index": [
723,
864
]
} | 4,693 |
Authmen | Authmen.sol | 0x89aeca7d3cc04f50e9d2bb635ad84fe8f7e77a9d | Solidity | SafeMath | 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.
*/
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.
*/
function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
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.
*/
function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b != 0, errorMessage);
return a % b;
}
} | /**
* @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.
*/ | NatSpecMultiLine | sub | 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 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.
*/ | NatSpecMultiLine | v0.6.12+commit.27d51765 | MIT | ipfs://e8b107b27904a2c18838844d3321f3b8812c285a7dde18e816b29dd5fec9faf7 | {
"func_code_index": [
1162,
1359
]
} | 4,694 |
Authmen | Authmen.sol | 0x89aeca7d3cc04f50e9d2bb635ad84fe8f7e77a9d | Solidity | SafeMath | 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.
*/
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.
*/
function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
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.
*/
function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b != 0, errorMessage);
return a % b;
}
} | /**
* @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.
*/ | NatSpecMultiLine | mul | 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 multiplication of two unsigned integers, reverting on
* overflow.
*
* Counterpart to Solidity's `*` operator.
*
* Requirements:
*
* - Multiplication cannot overflow.
*/ | NatSpecMultiLine | v0.6.12+commit.27d51765 | MIT | ipfs://e8b107b27904a2c18838844d3321f3b8812c285a7dde18e816b29dd5fec9faf7 | {
"func_code_index": [
1613,
2089
]
} | 4,695 |
Authmen | Authmen.sol | 0x89aeca7d3cc04f50e9d2bb635ad84fe8f7e77a9d | Solidity | SafeMath | 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.
*/
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.
*/
function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
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.
*/
function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b != 0, errorMessage);
return a % b;
}
} | /**
* @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.
*/ | NatSpecMultiLine | div | 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 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.
*/ | NatSpecMultiLine | v0.6.12+commit.27d51765 | MIT | ipfs://e8b107b27904a2c18838844d3321f3b8812c285a7dde18e816b29dd5fec9faf7 | {
"func_code_index": [
2560,
2697
]
} | 4,696 |
Authmen | Authmen.sol | 0x89aeca7d3cc04f50e9d2bb635ad84fe8f7e77a9d | Solidity | SafeMath | 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.
*/
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.
*/
function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
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.
*/
function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b != 0, errorMessage);
return a % b;
}
} | /**
* @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.
*/ | NatSpecMultiLine | div | function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
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 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.
*/ | NatSpecMultiLine | v0.6.12+commit.27d51765 | MIT | ipfs://e8b107b27904a2c18838844d3321f3b8812c285a7dde18e816b29dd5fec9faf7 | {
"func_code_index": [
3188,
3471
]
} | 4,697 |
Authmen | Authmen.sol | 0x89aeca7d3cc04f50e9d2bb635ad84fe8f7e77a9d | Solidity | SafeMath | 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.
*/
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.
*/
function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
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.
*/
function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b != 0, errorMessage);
return a % b;
}
} | /**
* @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.
*/ | NatSpecMultiLine | mod | 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 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.
*/ | NatSpecMultiLine | v0.6.12+commit.27d51765 | MIT | ipfs://e8b107b27904a2c18838844d3321f3b8812c285a7dde18e816b29dd5fec9faf7 | {
"func_code_index": [
3931,
4066
]
} | 4,698 |
Authmen | Authmen.sol | 0x89aeca7d3cc04f50e9d2bb635ad84fe8f7e77a9d | Solidity | SafeMath | 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.
*/
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.
*/
function div(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
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.
*/
function mod(uint256 a, uint256 b, string memory errorMessage) internal pure returns (uint256) {
require(b != 0, errorMessage);
return a % b;
}
} | /**
* @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.
*/ | NatSpecMultiLine | mod | function mod(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),
* 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.
*/ | NatSpecMultiLine | v0.6.12+commit.27d51765 | MIT | ipfs://e8b107b27904a2c18838844d3321f3b8812c285a7dde18e816b29dd5fec9faf7 | {
"func_code_index": [
4546,
4717
]
} | 4,699 |
Authmen | Authmen.sol | 0x89aeca7d3cc04f50e9d2bb635ad84fe8f7e77a9d | Solidity | IERC20 | 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 `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 Interface of the ERC20 standard as defined in the EIP.
*/ | NatSpecMultiLine | totalSupply | function totalSupply() external view returns (uint256);
| /**
* @dev Returns the amount of tokens in existence.
*/ | NatSpecMultiLine | v0.6.12+commit.27d51765 | MIT | ipfs://e8b107b27904a2c18838844d3321f3b8812c285a7dde18e816b29dd5fec9faf7 | {
"func_code_index": [
94,
154
]
} | 4,700 |
Authmen | Authmen.sol | 0x89aeca7d3cc04f50e9d2bb635ad84fe8f7e77a9d | Solidity | IERC20 | 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 `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 Interface of the ERC20 standard as defined in the EIP.
*/ | NatSpecMultiLine | balanceOf | function balanceOf(address account) external view returns (uint256);
| /**
* @dev Returns the amount of tokens owned by `account`.
*/ | NatSpecMultiLine | v0.6.12+commit.27d51765 | MIT | ipfs://e8b107b27904a2c18838844d3321f3b8812c285a7dde18e816b29dd5fec9faf7 | {
"func_code_index": [
237,
310
]
} | 4,701 |
Authmen | Authmen.sol | 0x89aeca7d3cc04f50e9d2bb635ad84fe8f7e77a9d | Solidity | IERC20 | 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 `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 Interface of the ERC20 standard as defined in the EIP.
*/ | NatSpecMultiLine | transfer | function transfer(address recipient, uint256 amount) external returns (bool);
| /**
* @dev Moves `amount` tokens from the caller's account to `recipient`.
*
* Returns a boolean value indicating whether the operation succeeded.
*
* Emits a {Transfer} event.
*/ | NatSpecMultiLine | v0.6.12+commit.27d51765 | MIT | ipfs://e8b107b27904a2c18838844d3321f3b8812c285a7dde18e816b29dd5fec9faf7 | {
"func_code_index": [
534,
616
]
} | 4,702 |
Authmen | Authmen.sol | 0x89aeca7d3cc04f50e9d2bb635ad84fe8f7e77a9d | Solidity | IERC20 | 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 `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 Interface of the ERC20 standard as defined in the EIP.
*/ | NatSpecMultiLine | allowance | function allowance(address owner, address spender) external view returns (uint256);
| /**
* @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.
*/ | NatSpecMultiLine | v0.6.12+commit.27d51765 | MIT | ipfs://e8b107b27904a2c18838844d3321f3b8812c285a7dde18e816b29dd5fec9faf7 | {
"func_code_index": [
895,
983
]
} | 4,703 |
Authmen | Authmen.sol | 0x89aeca7d3cc04f50e9d2bb635ad84fe8f7e77a9d | Solidity | IERC20 | 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 `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 Interface of the ERC20 standard as defined in the EIP.
*/ | NatSpecMultiLine | approve | function approve(address spender, uint256 amount) external returns (bool);
| /**
* @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.
*/ | NatSpecMultiLine | v0.6.12+commit.27d51765 | MIT | ipfs://e8b107b27904a2c18838844d3321f3b8812c285a7dde18e816b29dd5fec9faf7 | {
"func_code_index": [
1647,
1726
]
} | 4,704 |
Authmen | Authmen.sol | 0x89aeca7d3cc04f50e9d2bb635ad84fe8f7e77a9d | Solidity | IERC20 | 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 `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 Interface of the ERC20 standard as defined in the EIP.
*/ | NatSpecMultiLine | transferFrom | function transferFrom(address sender, address recipient, 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.
*/ | NatSpecMultiLine | v0.6.12+commit.27d51765 | MIT | ipfs://e8b107b27904a2c18838844d3321f3b8812c285a7dde18e816b29dd5fec9faf7 | {
"func_code_index": [
2039,
2141
]
} | 4,705 |
Authmen | Authmen.sol | 0x89aeca7d3cc04f50e9d2bb635ad84fe8f7e77a9d | Solidity | ERC20 | contract ERC20 is Context, IERC20 {
using SafeMath for uint256;
mapping (address => uint256) private _balances;
mapping (address => mapping (address => uint256)) private _allowances;
uint256 private _totalSupply;
string private _name;
string private _symbol;
uint8 private _decimals;
/**
* @dev Sets the values for {name} and {symbol}, initializes {decimals} with
* a default value of 18.
*
* To select a different value for {decimals}, use {_setupDecimals}.
*
* All three of these values are immutable: they can only be set once during
* construction.
*/
constructor (string memory name_, string memory symbol_) public {
_name = name_;
_symbol = symbol_;
_decimals = 18;
}
/**
* @dev Returns the name of the token.
*/
function name() public view returns (string memory) {
return _name;
}
/**
* @dev Returns the symbol of the token, usually a shorter version of the
* name.
*/
function symbol() public view returns (string memory) {
return _symbol;
}
/**
* @dev Returns the number of decimals used to get its user representation.
* For example, if `decimals` equals `2`, a balance of `505` tokens should
* be displayed to a user as `5,05` (`505 / 10 ** 2`).
*
* Tokens usually opt for a value of 18, imitating the relationship between
* Ether and Wei. This is the value {ERC20} uses, unless {_setupDecimals} is
* called.
*
* NOTE: This information is only used for _display_ purposes: it in
* no way affects any of the arithmetic of the contract, including
* {IERC20-balanceOf} and {IERC20-transfer}.
*/
function decimals() public view returns (uint8) {
return _decimals;
}
/**
* @dev See {IERC20-totalSupply}.
*/
function totalSupply() public view override returns (uint256) {
return _totalSupply;
}
/**
* @dev See {IERC20-balanceOf}.
*/
function balanceOf(address account) public view override returns (uint256) {
return _balances[account];
}
/**
* @dev See {IERC20-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 virtual override returns (bool) {
_transfer(_msgSender(), recipient, amount);
return true;
}
/**
* @dev See {IERC20-allowance}.
*/
function allowance(address owner, address spender) public view virtual override returns (uint256) {
return _allowances[owner][spender];
}
/**
* @dev See {IERC20-approve}.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function approve(address spender, uint256 amount) public virtual override returns (bool) {
_approve(_msgSender(), spender, amount);
return true;
}
/**
* @dev See {IERC20-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 virtual override 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 {IERC20-approve}.
*
* Emits an {Approval} event indicating the updated allowance.
*
* Requirements:
*
* - `spender` cannot be the zero address.
*/
function increaseAllowance(address spender, uint256 addedValue) public virtual 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 {IERC20-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 virtual 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 virtual {
require(sender != address(0), "ERC20: transfer from the zero address");
require(recipient != address(0), "ERC20: transfer to the zero address");
_beforeTokenTransfer(sender, recipient, amount);
_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 virtual {
require(account != address(0), "ERC20: mint to the zero address");
_beforeTokenTransfer(address(0), account, amount);
_totalSupply = _totalSupply.add(amount);
_balances[account] = _balances[account].add(amount);
emit Transfer(address(0), account, 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 virtual {
require(account != address(0), "ERC20: burn from the zero address");
_beforeTokenTransfer(account, address(0), amount);
_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 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 virtual {
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 Sets {decimals} to a value other than the default one of 18.
*
* WARNING: This function should only be called from the constructor. Most
* applications that interact with token contracts will not expect
* {decimals} to ever change, and may work incorrectly if it does.
*/
function _setupDecimals(uint8 decimals_) internal {
_decimals = decimals_;
}
/**
* @dev Hook that is called before any transfer of tokens. This includes
* minting and burning.
*
* Calling conditions:
*
* - when `from` and `to` are both non-zero, `amount` of ``from``'s tokens
* will be to transferred to `to`.
* - when `from` is zero, `amount` tokens will be minted for `to`.
* - when `to` is zero, `amount` of ``from``'s tokens will be burned.
* - `from` and `to` are never both zero.
*
* To learn more about hooks, head to xref:ROOT:extending-contracts.adoc#using-hooks[Using Hooks].
*/
function _beforeTokenTransfer(address from, address to, uint256 amount) internal virtual { }
} | /**
* @dev Implementation of the {IERC20} 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 {ERC20PresetMinterPauser}.
*
* 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 {IERC20-approve}.
*/ | NatSpecMultiLine | name | function name() public view returns (string memory) {
return _name;
}
| /**
* @dev Returns the name of the token.
*/ | NatSpecMultiLine | v0.6.12+commit.27d51765 | MIT | ipfs://e8b107b27904a2c18838844d3321f3b8812c285a7dde18e816b29dd5fec9faf7 | {
"func_code_index": [
874,
962
]
} | 4,706 |
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