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EFI [Energyfi] Token

About EFI

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Token 4 months
CoinMarketCap 5 months
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Energyfi is designing green and cost-effective Decentralized Finance by providing a complete set of DeFi features on Avax, Near, Bsc and Echain (Energyfi Chain) all while accelerating their adoption. The Energyfi platform includes a wide range of crosschain DApps including Launchpad, Dex, Bridge, Staking/Farming and Lending features.

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Laser Scorebeta Last Audit: 2 March 2022

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Energyfi.claimStuckTokens(address) (#1239-1250) ignores return value by erc20token.transfer(owner(),balance) (#1249)
Use SafeERC20, or ensure that the transfer/transferFrom return value is checked.

Additional information: link

Reentrancy in Energyfi._transfer(address,address,uint256) (#1414-1462):
External calls:
- swapTokensForEth(contractTokenBalance,_marketingWallet) (#1449)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,recepient,block.timestamp) (#1474-1480)
State variables written after the call(s):
- _tokenTransfer(from,to,amount,takeFee) (#1461)
- _rOwned[address(0xdead)] = _rOwned[address(0xdead)].add(rBurn) (#1353)
- _rOwned[address(this)] = _rOwned[address(this)].add(rMarketing) (#1354)
- _rOwned[sender] = _rOwned[sender].sub(rAmount) (#1519)
- _rOwned[sender] = _rOwned[sender].sub(rAmount) (#1541)
- _rOwned[sender] = _rOwned[sender].sub(rAmount) (#1565)
- _rOwned[sender] = _rOwned[sender].sub(rAmount) (#1588)
- _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount) (#1520)
- _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount) (#1543)
- _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount) (#1566)
- _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount) (#1590)
- _tokenTransfer(from,to,amount,takeFee) (#1461)
- _rTotal = _rTotal.sub(rFee) (#1256)
- _tokenTransfer(from,to,amount,takeFee) (#1461)
- _tOwned[address(0xdead)] = _tOwned[address(0xdead)].add(tBurn) (#1356)
- _tOwned[sender] = _tOwned[sender].sub(tAmount) (#1564)
- _tOwned[address(this)] = _tOwned[address(this)].add(tMarketing) (#1357)
- _tOwned[sender] = _tOwned[sender].sub(tAmount) (#1587)
- _tOwned[recipient] = _tOwned[recipient].add(tTransferAmount) (#1542)
- _tOwned[recipient] = _tOwned[recipient].add(tTransferAmount) (#1589)
Apply the check-effects-interactions pattern.

Additional information: link

Energyfi.allowance(address,address).owner (#1053) shadows:
- Ownable.owner() (#308-310) (function)
Energyfi._approve(address,address,uint256).owner (#1403) shadows:
- Ownable.owner() (#308-310) (function)
Rename the local variables that shadow another component.

Additional information: link

Energyfi.setTaxFeePercent(uint256) (#1195-1197) should emit an event for:
- _taxFee = taxFee (#1196)
Energyfi.setBurnFeePercent(uint256) (#1199-1201) should emit an event for:
- _burnFee = burnFee (#1200)
Energyfi.setMarketingFeePercent(uint256) (#1203-1205) should emit an event for:
- _marketingFee = marketingFee (#1204)
Energyfi.setNumTokensSellToAddToLiquidity(uint256) (#1207-1212) should emit an event for:
- numTokensSellToAddToLiquidity = numTokens (#1211)
Energyfi.setMaxTxAmount(uint256) (#1230-1232) should emit an event for:
- _maxTxAmount = value (#1231)
Emit an event for critical parameter changes.

Additional information: link

Reentrancy in Energyfi._transfer(address,address,uint256) (#1414-1462):
External calls:
- swapTokensForEth(contractTokenBalance,_marketingWallet) (#1449)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,recepient,block.timestamp) (#1474-1480)
State variables written after the call(s):
- _tokenTransfer(from,to,amount,takeFee) (#1461)
- _burnFee = _previousBurnFee (#1394)
- _burnFee = 0 (#1388)
- _tokenTransfer(from,to,amount,takeFee) (#1461)
- _marketingFee = _previousMarketingFee (#1395)
- _marketingFee = 0 (#1389)
- _tokenTransfer(from,to,amount,takeFee) (#1461)
- _previousBurnFee = _burnFee (#1384)
- _tokenTransfer(from,to,amount,takeFee) (#1461)
- _previousMarketingFee = _marketingFee (#1385)
- _tokenTransfer(from,to,amount,takeFee) (#1461)
- _previousTaxFee = _taxFee (#1383)
- _tokenTransfer(from,to,amount,takeFee) (#1461)
- _tFeeTotal = _tFeeTotal.add(tFee) (#1257)
- _tokenTransfer(from,to,amount,takeFee) (#1461)
- _taxFee = _previousTaxFee (#1393)
- _taxFee = 0 (#1387)
Reentrancy in Energyfi.transferFrom(address,address,uint256) (#1071-1086):
External calls:
- _transfer(sender,recipient,amount) (#1076)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,recepient,block.timestamp) (#1474-1480)
State variables written after the call(s):
- _approve(sender,_msgSender(),_allowances[sender][_msgSender()].sub(amount,ERC20: transfer amount exceeds allowance)) (#1077-1084)
- _allowances[owner][spender] = amount (#1410)
Apply the check-effects-interactions pattern.

Additional information: link

Reentrancy in Energyfi._transfer(address,address,uint256) (#1414-1462):
External calls:
- swapTokensForEth(contractTokenBalance,_marketingWallet) (#1449)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,recepient,block.timestamp) (#1474-1480)
Event emitted after the call(s):
- Transfer(msg.sender,address(0xdead),tBurn) (#1360)
- _tokenTransfer(from,to,amount,takeFee) (#1461)
- Transfer(sender,recipient,tTransferAmount) (#1526)
- _tokenTransfer(from,to,amount,takeFee) (#1461)
- Transfer(sender,recipient,tTransferAmount) (#1549)
- _tokenTransfer(from,to,amount,takeFee) (#1461)
- Transfer(sender,recipient,tTransferAmount) (#1572)
- _tokenTransfer(from,to,amount,takeFee) (#1461)
- Transfer(sender,recipient,tTransferAmount) (#1596)
- _tokenTransfer(from,to,amount,takeFee) (#1461)
Reentrancy in Energyfi.transferFrom(address,address,uint256) (#1071-1086):
External calls:
- _transfer(sender,recipient,amount) (#1076)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,recepient,block.timestamp) (#1474-1480)
Event emitted after the call(s):
- Approval(owner,spender,amount) (#1411)
- _approve(sender,_msgSender(),_allowances[sender][_msgSender()].sub(amount,ERC20: transfer amount exceeds allowance)) (#1077-1084)
Apply the check-effects-interactions pattern.

Additional information: link

Address.isContract(address) (#377-387) uses assembly
- INLINE ASM (#383-385)
Address.verifyCallResult(bool,bytes,string) (#583-603) uses assembly
- INLINE ASM (#595-598)
Do not use evm assembly.

Additional information: link

Different versions of Solidity is used:
- Version used: ['>=0.5.0', '>=0.6.2', '^0.8.0', '^0.8.6']
- >=0.6.2 (#4)
- >=0.6.2 (#167)
- >=0.5.0 (#218)
- ^0.8.0 (#252)
- ^0.8.0 (#276)
- ^0.8.0 (#354)
- ^0.8.0 (#608)
- ^0.8.0 (#855)
- ^0.8.6 (#946)
Use one Solidity version.

Additional information: link

Energyfi.includeInReward(address) (#1174-1185) has costly operations inside a loop:
- _excluded.pop() (#1181)
Use a local variable to hold the loop computation result.

Additional information: link

Address.functionCall(address,bytes) (#436-441) is never used and should be removed
Address.functionCall(address,bytes,string) (#449-455) is never used and should be removed
Address.functionCallWithValue(address,bytes,uint256) (#468-480) is never used and should be removed
Address.functionCallWithValue(address,bytes,uint256,string) (#488-504) is never used and should be removed
Address.functionDelegateCall(address,bytes) (#548-558) is never used and should be removed
Address.functionDelegateCall(address,bytes,string) (#566-575) is never used and should be removed
Address.functionStaticCall(address,bytes) (#512-523) is never used and should be removed
Address.functionStaticCall(address,bytes,string) (#531-540) is never used and should be removed
Address.isContract(address) (#377-387) is never used and should be removed
Address.sendValue(address,uint256) (#405-416) is never used and should be removed
Address.verifyCallResult(bool,bytes,string) (#583-603) is never used and should be removed
Context._msgData() (#269-271) is never used and should be removed
SafeMath.div(uint256,uint256,string) (#815-824) is never used and should be removed
SafeMath.mod(uint256,uint256) (#775-777) is never used and should be removed
SafeMath.mod(uint256,uint256,string) (#841-850) is never used and should be removed
SafeMath.tryAdd(uint256,uint256) (#626-636) is never used and should be removed
SafeMath.tryDiv(uint256,uint256) (#680-689) is never used and should be removed
SafeMath.tryMod(uint256,uint256) (#696-705) is never used and should be removed
SafeMath.tryMul(uint256,uint256) (#659-673) is never used and should be removed
SafeMath.trySub(uint256,uint256) (#643-652) is never used and should be removed
Remove unused functions.

Additional information: link

Energyfi._rTotal (#963) is set pre-construction with a non-constant function or state variable:
- (MAX - (MAX % _tTotal))
Energyfi._previousTaxFee (#971) is set pre-construction with a non-constant function or state variable:
- _taxFee
Energyfi._previousMarketingFee (#974) is set pre-construction with a non-constant function or state variable:
- _marketingFee
Energyfi._previousBurnFee (#977) is set pre-construction with a non-constant function or state variable:
- _burnFee
Remove any initialization of state variables via non-constant state variables or function calls. If variables must be set upon contract deployment, locate initialization in the constructor instead.

Additional information: link

Pragma version>=0.6.2 (#4) allows old versions
Pragma version>=0.6.2 (#167) allows old versions
Pragma version>=0.5.0 (#218) allows old versions
Pragma version^0.8.0 (#252) allows old versions
Pragma version^0.8.0 (#276) allows old versions
Pragma version^0.8.0 (#354) allows old versions
Pragma version^0.8.0 (#608) allows old versions
Pragma version^0.8.0 (#855) allows old versions
solc-0.8.11 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

Low level call in Address.sendValue(address,uint256) (#405-416):
- (success) = recipient.call{value: amount}() (#411)
Low level call in Address.functionCallWithValue(address,bytes,uint256,string) (#488-504):
- (success,returndata) = target.call{value: value}(data) (#500-502)
Low level call in Address.functionStaticCall(address,bytes,string) (#531-540):
- (success,returndata) = target.staticcall(data) (#538)
Low level call in Address.functionDelegateCall(address,bytes,string) (#566-575):
- (success,returndata) = target.delegatecall(data) (#573)
Avoid low-level calls. Check the call success. If the call is meant for a contract, check for code existence

Additional information: link

Function IUniswapV2Router01.WETH() (#9) is not in mixedCase
Parameter Energyfi.setSwapAndLiquifyEnabled(bool)._enabled (#1234) is not in mixedCase
Parameter Energyfi.claimStuckTokens(address)._token (#1239) is not in mixedCase
Parameter Energyfi.calculateTaxFee(uint256)._amount (#1364) is not in mixedCase
Parameter Energyfi.calculateBurnFee(uint256)._amount (#1368) is not in mixedCase
Parameter Energyfi.calculateMarketingFee(uint256)._amount (#1372) is not in mixedCase
Variable Energyfi._taxFee (#970) is not in mixedCase
Variable Energyfi._marketingFee (#973) is not in mixedCase
Variable Energyfi._burnFee (#976) is not in mixedCase
Variable Energyfi._marketingWallet (#982-983) is not in mixedCase
Variable Energyfi._maxTxAmount (#988) is not in mixedCase
Follow the Solidity naming convention.

Additional information: link

Variable IUniswapV2Router01.addLiquidity(address,address,uint256,uint256,uint256,uint256,address,uint256).amountADesired (#14) is too similar to IUniswapV2Router01.addLiquidity(address,address,uint256,uint256,uint256,uint256,address,uint256).amountBDesired (#15)
Variable Energyfi._transferStandard(address,address,uint256).rTransferAmount (#1514) is too similar to Energyfi._transferBothExcluded(address,address,uint256).tTransferAmount (#1584)
Variable Energyfi._transferStandard(address,address,uint256).rTransferAmount (#1514) is too similar to Energyfi._getValues(uint256).tTransferAmount (#1272)
Variable Energyfi.reflectionFromToken(uint256,bool).rTransferAmount (#1147) is too similar to Energyfi._transferBothExcluded(address,address,uint256).tTransferAmount (#1584)
Variable Energyfi.reflectionFromToken(uint256,bool).rTransferAmount (#1147) is too similar to Energyfi._getValues(uint256).tTransferAmount (#1272)
Variable Energyfi._getRValues(uint256,uint256,uint256,uint256,uint256).rTransferAmount (#1324) is too similar to Energyfi._transferBothExcluded(address,address,uint256).tTransferAmount (#1584)
Variable Energyfi._getRValues(uint256,uint256,uint256,uint256,uint256).rTransferAmount (#1324) is too similar to Energyfi._getValues(uint256).tTransferAmount (#1272)
Variable Energyfi._transferStandard(address,address,uint256).rTransferAmount (#1514) is too similar to Energyfi._transferToExcluded(address,address,uint256).tTransferAmount (#1538)
Variable Energyfi._transferStandard(address,address,uint256).rTransferAmount (#1514) is too similar to Energyfi._transferFromExcluded(address,address,uint256).tTransferAmount (#1561)
Variable Energyfi.reflectionFromToken(uint256,bool).rTransferAmount (#1147) is too similar to Energyfi._transferToExcluded(address,address,uint256).tTransferAmount (#1538)
Variable Energyfi._transferStandard(address,address,uint256).rTransferAmount (#1514) is too similar to Energyfi._getTValues(uint256).tTransferAmount (#1300)
Variable Energyfi.reflectionFromToken(uint256,bool).rTransferAmount (#1147) is too similar to Energyfi._transferFromExcluded(address,address,uint256).tTransferAmount (#1561)
Variable Energyfi.reflectionFromToken(uint256,bool).rTransferAmount (#1147) is too similar to Energyfi._getTValues(uint256).tTransferAmount (#1300)
Variable Energyfi._getRValues(uint256,uint256,uint256,uint256,uint256).rTransferAmount (#1324) is too similar to Energyfi._transferToExcluded(address,address,uint256).tTransferAmount (#1538)
Variable Energyfi._getRValues(uint256,uint256,uint256,uint256,uint256).rTransferAmount (#1324) is too similar to Energyfi._transferFromExcluded(address,address,uint256).tTransferAmount (#1561)
Variable Energyfi._transferToExcluded(address,address,uint256).rTransferAmount (#1536) is too similar to Energyfi._getValues(uint256).tTransferAmount (#1272)
Variable Energyfi._transferToExcluded(address,address,uint256).rTransferAmount (#1536) is too similar to Energyfi._transferToExcluded(address,address,uint256).tTransferAmount (#1538)
Variable Energyfi._transferToExcluded(address,address,uint256).rTransferAmount (#1536) is too similar to Energyfi._transferFromExcluded(address,address,uint256).tTransferAmount (#1561)
Variable Energyfi._transferBothExcluded(address,address,uint256).rTransferAmount (#1582) is too similar to Energyfi._transferBothExcluded(address,address,uint256).tTransferAmount (#1584)
Variable Energyfi._transferBothExcluded(address,address,uint256).rTransferAmount (#1582) is too similar to Energyfi._getValues(uint256).tTransferAmount (#1272)
Variable Energyfi._getValues(uint256).rTransferAmount (#1277) is too similar to Energyfi._transferFromExcluded(address,address,uint256).tTransferAmount (#1561)
Variable Energyfi._transferStandard(address,address,uint256).rTransferAmount (#1514) is too similar to Energyfi._transferStandard(address,address,uint256).tTransferAmount (#1516)
Variable Energyfi._transferBothExcluded(address,address,uint256).rTransferAmount (#1582) is too similar to Energyfi._transferToExcluded(address,address,uint256).tTransferAmount (#1538)
Variable Energyfi._transferBothExcluded(address,address,uint256).rTransferAmount (#1582) is too similar to Energyfi._transferFromExcluded(address,address,uint256).tTransferAmount (#1561)
Variable Energyfi.reflectionFromToken(uint256,bool).rTransferAmount (#1147) is too similar to Energyfi._transferStandard(address,address,uint256).tTransferAmount (#1516)
Variable Energyfi._transferFromExcluded(address,address,uint256).rTransferAmount (#1559) is too similar to Energyfi._transferFromExcluded(address,address,uint256).tTransferAmount (#1561)
Variable Energyfi._transferFromExcluded(address,address,uint256).rTransferAmount (#1559) is too similar to Energyfi._transferBothExcluded(address,address,uint256).tTransferAmount (#1584)
Variable Energyfi._transferToExcluded(address,address,uint256).rTransferAmount (#1536) is too similar to Energyfi._transferBothExcluded(address,address,uint256).tTransferAmount (#1584)
Variable Energyfi._transferFromExcluded(address,address,uint256).rTransferAmount (#1559) is too similar to Energyfi._getTValues(uint256).tTransferAmount (#1300)
Variable Energyfi._transferBothExcluded(address,address,uint256).rTransferAmount (#1582) is too similar to Energyfi._transferStandard(address,address,uint256).tTransferAmount (#1516)
Variable Energyfi._getValues(uint256).rTransferAmount (#1277) is too similar to Energyfi._transferToExcluded(address,address,uint256).tTransferAmount (#1538)
Variable Energyfi._transferToExcluded(address,address,uint256).rTransferAmount (#1536) is too similar to Energyfi._getTValues(uint256).tTransferAmount (#1300)
Variable Energyfi._getRValues(uint256,uint256,uint256,uint256,uint256).rTransferAmount (#1324) is too similar to Energyfi._getTValues(uint256).tTransferAmount (#1300)
Variable Energyfi._getValues(uint256).rTransferAmount (#1277) is too similar to Energyfi._getValues(uint256).tTransferAmount (#1272)
Variable Energyfi._transferFromExcluded(address,address,uint256).rTransferAmount (#1559) is too similar to Energyfi._transferStandard(address,address,uint256).tTransferAmount (#1516)
Variable Energyfi._transferToExcluded(address,address,uint256).rTransferAmount (#1536) is too similar to Energyfi._transferStandard(address,address,uint256).tTransferAmount (#1516)
Variable Energyfi._getRValues(uint256,uint256,uint256,uint256,uint256).rTransferAmount (#1324) is too similar to Energyfi._transferStandard(address,address,uint256).tTransferAmount (#1516)
Variable Energyfi._getValues(uint256).rTransferAmount (#1277) is too similar to Energyfi._transferBothExcluded(address,address,uint256).tTransferAmount (#1584)
Variable Energyfi._getValues(uint256).rTransferAmount (#1277) is too similar to Energyfi._getTValues(uint256).tTransferAmount (#1300)
Variable Energyfi._transferFromExcluded(address,address,uint256).rTransferAmount (#1559) is too similar to Energyfi._transferToExcluded(address,address,uint256).tTransferAmount (#1538)
Variable Energyfi._transferFromExcluded(address,address,uint256).rTransferAmount (#1559) is too similar to Energyfi._getValues(uint256).tTransferAmount (#1272)
Variable Energyfi._getValues(uint256).rTransferAmount (#1277) is too similar to Energyfi._transferStandard(address,address,uint256).tTransferAmount (#1516)
Variable Energyfi._transferBothExcluded(address,address,uint256).rTransferAmount (#1582) is too similar to Energyfi._getTValues(uint256).tTransferAmount (#1300)
Prevent variables from having similar names.

Additional information: link

Energyfi._decimals (#968) should be constant
Energyfi._marketingWallet (#982-983) should be constant
Energyfi._name (#966) should be constant
Energyfi._symbol (#967) should be constant
Energyfi._tTotal (#962) should be constant
Add the constant attributes to state variables that never change.

Additional information: link

renounceOwnership() should be declared external:
- Ownable.renounceOwnership() (#327-329)
transferOwnership(address) should be declared external:
- Ownable.transferOwnership(address) (#335-341)
name() should be declared external:
- Energyfi.name() (#1023-1025)
symbol() should be declared external:
- Energyfi.symbol() (#1027-1029)
decimals() should be declared external:
- Energyfi.decimals() (#1031-1033)
totalSupply() should be declared external:
- Energyfi.totalSupply() (#1035-1037)
transfer(address,uint256) should be declared external:
- Energyfi.transfer(address,uint256) (#1044-1051)
allowance(address,address) should be declared external:
- Energyfi.allowance(address,address) (#1053-1060)
approve(address,uint256) should be declared external:
- Energyfi.approve(address,uint256) (#1062-1069)
transferFrom(address,address,uint256) should be declared external:
- Energyfi.transferFrom(address,address,uint256) (#1071-1086)
increaseAllowance(address,uint256) should be declared external:
- Energyfi.increaseAllowance(address,uint256) (#1088-1099)
decreaseAllowance(address,uint256) should be declared external:
- Energyfi.decreaseAllowance(address,uint256) (#1101-1115)
isExcludedFromReward(address) should be declared external:
- Energyfi.isExcludedFromReward(address) (#1117-1119)
totalFees() should be declared external:
- Energyfi.totalFees() (#1121-1123)
deliver(uint256) should be declared external:
- Energyfi.deliver(uint256) (#1125-1135)
reflectionFromToken(uint256,bool) should be declared external:
- Energyfi.reflectionFromToken(uint256,bool) (#1137-1150)
excludeFromReward(address) should be declared external:
- Energyfi.excludeFromReward(address) (#1165-1172)
setSwapAndLiquifyEnabled(bool) should be declared external:
- Energyfi.setSwapAndLiquifyEnabled(bool) (#1234-1237)
isExcludedFromFee(address) should be declared external:
- Energyfi.isExcludedFromFee(address) (#1398-1400)
Use the external attribute for functions never called from the contract.

Additional information: link

Holders:


Average 30d PancakeSwap liquidity is less than $100. Token is either dead or inactive.


Average 30d number of PancakeSwap swaps is less than 1. Token is either dead or inactive.


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


Token is deployed only at one blockchain


Token has only one trading pair

Contract has 1% buy tax and 0% sell tax.
Taxes are low and contract ownership is renounced.


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Unable to find Discord account

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Unable to find token contract audit


Unable to find audit link on the website


Unable to find whitepaper link on the website


Unable to find token on CoinHunt

Additional information: link


Unable to find code repository for the project


Young tokens have high risks of scam / price dump / death


Young tokens have high risks of scam / price dump / death


Young tokens have high risks of price dump / death


Young tokens have high risks of price dump / death


Young tokens have high risks of price dump / death


Token has relatively low CoinGecko rank


Token has relatively low CoinMarketCap rank

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