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SPY [Smarty Pay] Token

About SPY

Listings

Token 16 months
CoinGecko 14 months
CoinMarketCap 13 months
white paper

SPY is the world's first claimed utility token that has direct connectivity between Fiat Gateway and Crypto Gateway transactions. This harmonization combination is a witness to the history of the establishment of the 3rd generation of crypto currency. The POS (point of sales) transaction system from Smarty Indonesia will be the main engine of the block hash of every transaction that is converted to SPY where each holder has the opportunity to do stacking, farming, exchange etc. to maximize their respective capitalization.

Social

Laser Scorebeta Last Audit: 14 August 2022

report
Token seems to be (relatively) fine. It still become a scam, but probability is moderate.


Token is flagged by TokenSniffer due to presence of exploit in contract code


Contract ownership is not renounced (belongs to a wallet)

SmartyPay.tokenSale(address) (#162-184) performs a multiplication on the result of a division:
-_price = _eth / sPrice (#168)
-_tkns = sChunk * _price (#169)
Consider ordering multiplication before division.

Additional information: link

SafeMath.div(uint256,uint256) (#24-27) is never used and should be removed
SafeMath.mul(uint256,uint256) (#20-23) is never used and should be removed
Remove unused functions.

Additional information: link

SmartyPay.startAirdrop(uint256,uint256,uint256,uint256) (#193-199) should emit an event for:
- aSBlock = _aSBlock (#194)
- aEBlock = _aEBlock (#195)
- aAmt = _aAmt (#196)
- aCap = _aCap (#197)
SmartyPay.startSale(uint256,uint256,uint256,uint256,uint256) (#200-207) should emit an event for:
- sSBlock = _sSBlock (#201)
- sEBlock = _sEBlock (#202)
- sChunk = _sChunk (#203)
- sPrice = _sPrice (#204)
- sCap = _sCap (#205)
Emit an event for critical parameter changes.

Additional information: link

Pragma version>=0.5.10 (#9) allows old versions
solc-0.5.10 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.

Additional information: link

Owned.transferOwnership(address)._newOwner (#61) lacks a zero-check on :
- newOwner = _newOwner (#62)
SmartyPay.clearETH()._owner (#209) lacks a zero-check on :
- _owner.transfer(address(this).balance) (#210)
Check that the address is not zero.

Additional information: link

TokenBEP20.constructor() (#83-90) uses literals with too many digits:
- _totalSupply = 100000000e0 (#87)
SmartyPay.getAirdrop(address) (#147-160) uses literals with too many digits:
- msg.sender != _refer && balanceOf(_refer) != 0 && _refer != 0x0000000000000000000000000000000000000000 (#151)
SmartyPay.tokenSale(address) (#162-184) uses literals with too many digits:
- msg.sender != _refer && balanceOf(_refer) != 0 && _refer != 0x0000000000000000000000000000000000000000 (#175)
Use: Ether suffix, Time suffix, or The scientific notation

Additional information: link

Parameter Owned.transferOwnership(address)._newOwner (#61) is not in mixedCase
Variable TokenBEP20._totalSupply (#78) is not in mixedCase
Parameter SmartyPay.getAirdrop(address)._refer (#147) is not in mixedCase
Parameter SmartyPay.tokenSale(address)._refer (#162) is not in mixedCase
Parameter SmartyPay.startAirdrop(uint256,uint256,uint256,uint256)._aSBlock (#193) is not in mixedCase
Parameter SmartyPay.startAirdrop(uint256,uint256,uint256,uint256)._aEBlock (#193) is not in mixedCase
Parameter SmartyPay.startAirdrop(uint256,uint256,uint256,uint256)._aAmt (#193) is not in mixedCase
Parameter SmartyPay.startAirdrop(uint256,uint256,uint256,uint256)._aCap (#193) is not in mixedCase
Parameter SmartyPay.startSale(uint256,uint256,uint256,uint256,uint256)._sSBlock (#200) is not in mixedCase
Parameter SmartyPay.startSale(uint256,uint256,uint256,uint256,uint256)._sEBlock (#200) is not in mixedCase
Parameter SmartyPay.startSale(uint256,uint256,uint256,uint256,uint256)._sChunk (#200) is not in mixedCase
Parameter SmartyPay.startSale(uint256,uint256,uint256,uint256,uint256)._sPrice (#200) is not in mixedCase
Parameter SmartyPay.startSale(uint256,uint256,uint256,uint256,uint256)._sCap (#200) is not in mixedCase
Follow the Solidity naming convention.

Additional information: link

totalSupply() should be declared external:
- BEP20Interface.totalSupply() (#31)
- TokenBEP20.totalSupply() (#92-94)
allowance(address,address) should be declared external:
- BEP20Interface.allowance(address,address) (#33)
- TokenBEP20.allowance(address,address) (#116-118)
transfer(address,uint256) should be declared external:
- BEP20Interface.transfer(address,uint256) (#34)
- TokenBEP20.transfer(address,uint256) (#98-103)
approve(address,uint256) should be declared external:
- BEP20Interface.approve(address,uint256) (#35)
- TokenBEP20.approve(address,uint256) (#104-108)
transferFrom(address,address,uint256) should be declared external:
- BEP20Interface.transferFrom(address,address,uint256) (#36)
- TokenBEP20.transferFrom(address,address,uint256) (#109-115)
receiveApproval(address,uint256,address,bytes) should be declared external:
- ApproveAndCallFallBack.receiveApproval(address,uint256,address,bytes) (#43)
transferOwnership(address) should be declared external:
- Owned.transferOwnership(address) (#61-63)
acceptOwnership() should be declared external:
- Owned.acceptOwnership() (#64-69)
approveAndCall(address,uint256,bytes) should be declared external:
- TokenBEP20.approveAndCall(address,uint256,bytes) (#119-124)
getAirdrop(address) should be declared external:
- SmartyPay.getAirdrop(address) (#147-160)
tokenSale(address) should be declared external:
- SmartyPay.tokenSale(address) (#162-184)
viewAirdrop() should be declared external:
- SmartyPay.viewAirdrop() (#186-188)
viewSale() should be declared external:
- SmartyPay.viewSale() (#189-191)
startAirdrop(uint256,uint256,uint256,uint256) should be declared external:
- SmartyPay.startAirdrop(uint256,uint256,uint256,uint256) (#193-199)
startSale(uint256,uint256,uint256,uint256,uint256) should be declared external:
- SmartyPay.startSale(uint256,uint256,uint256,uint256,uint256) (#200-207)
clearETH() should be declared external:
- SmartyPay.clearETH() (#208-211)
Use the external attribute for functions never called from the contract.

Additional information: link

Holders:


Token is deployed only at one blockchain


Unable to find Discord account


BscScan page for the token does not contain additional info: website, socials, description, etc.

Additional information: link


Token was delisted from CoinHunt

Additional information: link


Unable to find audit link on the website


Unable to find code repository for the project


Token is not listed at Mobula.Finance

Additional information: link


Token has relatively low CoinGecko rank

Price for SPY

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