SLOT [Shiba Lottery] Token

ShibaLottery.claimWeeklyReward(uint64,uint32) (#751-775) ignores return value by SHIB.transfer(msg.sender,prizeLottery.prizeAmount) (#770)
Use SafeERC20, or ensure that the transfer/transferFrom return value is checked.

Additional information: link

Unable to find manual contract audit (e.g. Certik, PeckShield, Solidity...)

ShibaLottery.getFee() (#452-455) uses a dangerous strict equality:
- launchedAt == 0 || launchedAt + 1 >= block.number (#453)
Don't use strict equality to determine if an account has enough Ether or tokens.

Additional information: link

Reentrancy in ShibaLottery.weeklyDrawLottery() (#715-743):
External calls:
- SHIB.transfer(devAddress,devAmount) (#734)
- SHIB.transfer(marketingAddress,marketingAmount) (#738)
State variables written after the call(s):
- processingDrawWeeklyLottery = false (#742)
Apply the check-effects-interactions pattern.

Additional information: link

ShibaLottery.approveCake() (#923-926) ignores return value by CAKE.approve(CAKE_VAULT,0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFF) (#925)
Ensure that all the return values of the function calls are used.

Additional information: link

ShibaLottery.setFees(uint8,uint8,uint8) (#513-519) should emit an event for:
- totalFee = _feeInDailyPool + _feeInWeeklyPool (#516)
- feeDenominator = _feeDenominator (#517)
Emit an event for critical parameter changes.

Additional information: link

Auth.transferOwnership(address).adr (#179) lacks a zero-check on :
- owner = adr (#180)
Check that the address is not zero.

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Reentrancy in ShibaLottery.weeklyDrawLottery() (#715-743):
External calls:
- SHIB.transfer(devAddress,devAmount) (#734)
- SHIB.transfer(marketingAddress,marketingAmount) (#738)
State variables written after the call(s):
- currentWeeklyLotteryId = currentWeeklyLotteryId + 1 (#741)
- currentWeeklyTicket = 0 (#740)
Apply the check-effects-interactions pattern.

Additional information: link

Reentrancy in ShibaLottery.unstakeCakeAndConvertWeeklyPrize(uint256,uint256,uint256) (#861-905):
External calls:
- vault.leaveStaking(getCakeStaked()) (#865)
- (cakeStakedAmount,rewardDebt) = vault.userInfo(0,(address(this))) (#856)
- router.swapExactTokensForTokensSupportingFeeOnTransferTokens(prizeAmount,0,pathPrize,address(this),block.timestamp) (#876-882)
- router.swapExactTokensForETHSupportingFeeOnTransferTokens(buybackAmount,0,pathBuyback,address(this),block.timestamp) (#893-899)
- buyback() (#900)
- router.swapExactETHForTokensSupportingFeeOnTransferTokens{value: balance}(0,path,DEAD,block.timestamp) (#914-919)
External calls sending eth:
- buyback() (#900)
- router.swapExactETHForTokensSupportingFeeOnTransferTokens{value: balance}(0,path,DEAD,block.timestamp) (#914-919)
Event emitted after the call(s):
- Buyback(balance) (#920)
- buyback() (#900)
Apply the check-effects-interactions pattern.

Additional information: link

ShibaLottery.launched() (#496-498) is never used and should be removed
Remove unused functions.

Additional information: link

solc-0.8.7 is not recommended for deployment
Deploy with any of the following Solidity versions: 0.5.16 - 0.5.17, 0.6.11 - 0.6.12, 0.7.5 - 0.7.6 Use a simple pragma version that allows any of these versions. Consider using the latest version of Solidity for testing.

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Variable ShibaLottery._allowances (#277) is not in mixedCase
Follow the Solidity naming convention.

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Variable IPancakeRouter.addLiquidity(address,address,uint256,uint256,uint256,uint256,address,uint256).amountADesired (#213) is too similar to IPancakeRouter.addLiquidity(address,address,uint256,uint256,uint256,uint256,address,uint256).amountBDesired (#214)
Prevent variables from having similar names.

Additional information: link

ShibaLottery.slitherConstructorVariables() (#254-928) uses literals with too many digits:
- ZERO = 0x0000000000000000000000000000000000000000 (#264)
Use: Ether suffix, Time suffix, or The scientific notation

Additional information: link

ShibaLottery.BUSD (#266) is never used in ShibaLottery (#254-928)
Remove unused state variables.

Additional information: link

ShibaLottery.weeklyLock (#290) should be constant
Add the constant attributes to state variables that never change.

Additional information: link

getCirculatingSupply() should be declared external:
- ShibaLottery.getCirculatingSupply() (#521-523)
Use the external attribute for functions never called from the contract.

Additional information: link

Number of Binance Smart Chain (BSC) token holders is less than 100. Token is either dead or inactive. Ignore for presale.

Average PancakeSwap trading volume, liqudity, number of swaps are extremely low. Token seems to be dead.

Token is deployed only at one blockchain

Token has only one trading pair

Unable to find PancakeSwap trading pair to compute liquidity.

Unable to find PancakeSwap trading pair to compute volume.

Unable to find PancakeSwap trading pair to compute number of swaps.

Unable to find website, listings and other project-related information

Young tokens have high risks of price dump / death

Token has no active CoinGecko listing / rank

Token has no active CoinMarketCap listing / rank