SafeBLAST (BLAST) is both a UTILITY and a DEFLATIONARY token available on multiple blockchains. As a utility token, you can use BLAST for direct payment on goods and services where accepted worldwide. As a deflationary token, SafeBLAST is an Autonomous yield and Liquidity generation protocol. Every time someone transfers, buys or sells BLAST tokens on PancakeSwap, the total supply goes down.
Every transaction also creates a passive effortless reward distribution for all token HODLers on the BNB Blockchain, which is where PancakeSwap transactions takes place. There is NO buy or sell tax on Centralized exchanges or Uniswap, which is why there is NO reward distribution either. Distribution is only to the wallets on Binance Chain (BNB Chain).
Liquidity is also generated and locked automatically to support the ecosystem on PancakeSwap. As the circulating supply becomes limited, supply and demand will play a big role in the value growth, which is a win-win for BLAST holders.
Unable to find manual contract audit (e.g. Certik, PeckShield, Solidity...)
Reentrancy in BLAST._transfer(address,address,uint256) (#949-998):
External calls:
- swapAndLiquify(contractTokenBalance) (#985)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#1046-1053)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#1032-1038)
External calls sending eth:
- swapAndLiquify(contractTokenBalance) (#985)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#1046-1053)
State variables written after the call(s):
- _tokenTransfer(from,to,amount,takeFee) (#997)
- _rOwned[address(this)] = _rOwned[address(this)].add(rLiquidity) (#905)
- _rOwned[sender] = _rOwned[sender].sub(rAmount) (#1079)
- _rOwned[sender] = _rOwned[sender].sub(rAmount) (#1088)
- _rOwned[sender] = _rOwned[sender].sub(rAmount) (#1099)
- _rOwned[sender] = _rOwned[sender].sub(rAmount) (#818)
- _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount) (#1080)
- _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount) (#1090)
- _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount) (#1100)
- _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount) (#820)
- _tokenTransfer(from,to,amount,takeFee) (#997)
- _rTotal = _rTotal.sub(rFee) (#860)
- _tokenTransfer(from,to,amount,takeFee) (#997)
- _tOwned[address(this)] = _tOwned[address(this)].add(tLiquidity) (#907)
- _tOwned[sender] = _tOwned[sender].sub(tAmount) (#817)
- _tOwned[sender] = _tOwned[sender].sub(tAmount) (#1098)
- _tOwned[recipient] = _tOwned[recipient].add(tTransferAmount) (#1089)
- _tOwned[recipient] = _tOwned[recipient].add(tTransferAmount) (#819)
Apply the check-effects-interactions pattern.
Additional information: link
Redundant expression "this (#223)" inContext (#217-226)
Remove redundant statements if they congest code but offer no value.
Additional information: link
BLAST.addLiquidity(uint256,uint256) (#1041-1054) ignores return value by uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#1046-1053)
Ensure that all the return values of the function calls are used.
Additional information: link
Parameter BLAST.calculateTaxFee(uint256)._amount (#910) is not in mixedCase
Function IUniswapV2Pair.PERMIT_TYPEHASH() (#469) is not in mixedCase
Function IUniswapV2Pair.MINIMUM_LIQUIDITY() (#486) is not in mixedCase
Function IUniswapV2Pair.DOMAIN_SEPARATOR() (#468) is not in mixedCase
Parameter BLAST.setSwapAndLiquifyEnabled(bool)._enabled (#848) is not in mixedCase
Variable BLAST._liquidityFee (#664) is not in mixedCase
Variable BLAST._taxFee (#661) is not in mixedCase
Function IUniswapV2Router01.WETH() (#506) is not in mixedCase
Parameter BLAST.calculateLiquidityFee(uint256)._amount (#916) is not in mixedCase
Variable BLAST._maxTxAmount (#674) is not in mixedCase
Follow the Solidity naming convention.
Additional information: link
Reentrancy in BLAST.transferFrom(address,address,uint256) (#744-748):
External calls:
- _transfer(sender,recipient,amount) (#745)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#1046-1053)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#1032-1038)
External calls sending eth:
- _transfer(sender,recipient,amount) (#745)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#1046-1053)
State variables written after the call(s):
- _approve(sender,_msgSender(),_allowances[sender][_msgSender()].sub(amount,ERC20: transfer amount exceeds allowance)) (#746)
- _allowances[owner][spender] = amount (#945)
Reentrancy in BLAST._transfer(address,address,uint256) (#949-998):
External calls:
- swapAndLiquify(contractTokenBalance) (#985)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#1046-1053)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#1032-1038)
External calls sending eth:
- swapAndLiquify(contractTokenBalance) (#985)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#1046-1053)
State variables written after the call(s):
- _tokenTransfer(from,to,amount,takeFee) (#997)
- _liquidityFee = _previousLiquidityFee (#934)
- _liquidityFee = 0 (#929)
- _tokenTransfer(from,to,amount,takeFee) (#997)
- _previousLiquidityFee = _liquidityFee (#926)
- _tokenTransfer(from,to,amount,takeFee) (#997)
- _previousTaxFee = _taxFee (#925)
- _tokenTransfer(from,to,amount,takeFee) (#997)
- _tFeeTotal = _tFeeTotal.add(tFee) (#861)
- _tokenTransfer(from,to,amount,takeFee) (#997)
- _taxFee = _previousTaxFee (#933)
- _taxFee = 0 (#928)
Reentrancy in BLAST.swapAndLiquify(uint256) (#1000-1021):
External calls:
- swapTokensForEth(half) (#1012)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#1032-1038)
- addLiquidity(otherHalf,newBalance) (#1018)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#1046-1053)
External calls sending eth:
- addLiquidity(otherHalf,newBalance) (#1018)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#1046-1053)
State variables written after the call(s):
- addLiquidity(otherHalf,newBalance) (#1018)
- _allowances[owner][spender] = amount (#945)
Apply the check-effects-interactions pattern.
Additional information: link
Reentrancy in BLAST.transferFrom(address,address,uint256) (#744-748):
External calls:
- _transfer(sender,recipient,amount) (#745)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#1046-1053)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#1032-1038)
External calls sending eth:
- _transfer(sender,recipient,amount) (#745)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#1046-1053)
Event emitted after the call(s):
- Approval(owner,spender,amount) (#946)
- _approve(sender,_msgSender(),_allowances[sender][_msgSender()].sub(amount,ERC20: transfer amount exceeds allowance)) (#746)
Reentrancy in BLAST._transfer(address,address,uint256) (#949-998):
External calls:
- swapAndLiquify(contractTokenBalance) (#985)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#1046-1053)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#1032-1038)
External calls sending eth:
- swapAndLiquify(contractTokenBalance) (#985)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#1046-1053)
Event emitted after the call(s):
- Transfer(sender,recipient,tTransferAmount) (#1083)
- _tokenTransfer(from,to,amount,takeFee) (#997)
- Transfer(sender,recipient,tTransferAmount) (#1093)
- _tokenTransfer(from,to,amount,takeFee) (#997)
- Transfer(sender,recipient,tTransferAmount) (#1103)
- _tokenTransfer(from,to,amount,takeFee) (#997)
- Transfer(sender,recipient,tTransferAmount) (#823)
- _tokenTransfer(from,to,amount,takeFee) (#997)
Reentrancy in BLAST.swapAndLiquify(uint256) (#1000-1021):
External calls:
- swapTokensForEth(half) (#1012)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#1032-1038)
- addLiquidity(otherHalf,newBalance) (#1018)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#1046-1053)
External calls sending eth:
- addLiquidity(otherHalf,newBalance) (#1018)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#1046-1053)
Event emitted after the call(s):
- Approval(owner,spender,amount) (#946)
- addLiquidity(otherHalf,newBalance) (#1018)
- SwapAndLiquify(half,newBalance,otherHalf) (#1020)
Apply the check-effects-interactions pattern.
Additional information: link
Ownable.unlock() (#429-434) uses timestamp for comparisons
Dangerous comparisons:
- require(bool,string)(now > _lockTime,Contract is locked until 7 days) (#431)
Avoid relying on block.timestamp.
Additional information: link
Address._functionCallWithValue(address,bytes,uint256,string) (#339-360) uses assembly
- INLINE ASM (#352-355)
Address.isContract(address) (#246-255) uses assembly
- INLINE ASM (#253)
Do not use evm assembly.
Additional information: link
BLAST.allowance(address,address).owner (#735) shadows:
- Ownable.owner() (#382-384) (function)
BLAST._approve(address,address,uint256).owner (#941) shadows:
- Ownable.owner() (#382-384) (function)
Rename the local variables that shadow another component.
Additional information: link
BLAST.setMaxTxPercent(uint256) (#842-846) should emit an event for:
- _maxTxAmount = _tTotal.mul(maxTxPercent).div(10 ** 2) (#843-845)
BLAST.setTaxFeePercent(uint256) (#834-836) should emit an event for:
- _taxFee = taxFee (#835)
BLAST.setLiquidityFeePercent(uint256) (#838-840) should emit an event for:
- _liquidityFee = liquidityFee (#839)
Emit an event for critical parameter changes.
Additional information: link
Address.sendValue(address,uint256) (#273-279) is never used and should be removed
Address.functionCallWithValue(address,bytes,uint256) (#324-326) is never used and should be removed
SafeMath.mod(uint256,uint256,string) (#211-214) is never used and should be removed
Address.functionCallWithValue(address,bytes,uint256,string) (#334-337) is never used and should be removed
Context._msgData() (#222-225) is never used and should be removed
SafeMath.mod(uint256,uint256) (#195-197) is never used and should be removed
Address._functionCallWithValue(address,bytes,uint256,string) (#339-360) is never used and should be removed
Address.isContract(address) (#246-255) is never used and should be removed
Address.functionCall(address,bytes,string) (#309-311) is never used and should be removed
Address.functionCall(address,bytes) (#299-301) is never used and should be removed
Remove unused functions.
Additional information: link
BLAST._rTotal (#654) is set pre-construction with a non-constant function or state variable:
- (MAX - (MAX % _tTotal))
BLAST._previousTaxFee (#662) is set pre-construction with a non-constant function or state variable:
- _taxFee
BLAST._previousLiquidityFee (#665) is set pre-construction with a non-constant function or state variable:
- _liquidityFee
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
Low level call in Address._functionCallWithValue(address,bytes,uint256,string) (#339-360):
- (success,returndata) = target.call{value: weiValue}(data) (#343)
Low level call in Address.sendValue(address,uint256) (#273-279):
- (success) = recipient.call{value: amount}() (#277)
Avoid low-level calls. Check the call success. If the call is meant for a contract, check for code existence
Additional information: link
Variable BLAST._transferToExcluded(address,address,uint256).rTransferAmount (#1087) is too similar to BLAST._transferStandard(address,address,uint256).tTransferAmount (#1078)
Variable BLAST.reflectionFromToken(uint256,bool).rTransferAmount (#783) is too similar to BLAST._transferBothExcluded(address,address,uint256).tTransferAmount (#816)
Variable BLAST._getValues(uint256).rTransferAmount (#866) is too similar to BLAST._transferFromExcluded(address,address,uint256).tTransferAmount (#1097)
Variable BLAST._transferStandard(address,address,uint256).rTransferAmount (#1078) is too similar to BLAST._transferToExcluded(address,address,uint256).tTransferAmount (#1087)
Variable BLAST.reflectionFromToken(uint256,bool).rTransferAmount (#783) is too similar to BLAST._transferStandard(address,address,uint256).tTransferAmount (#1078)
Variable BLAST._transferFromExcluded(address,address,uint256).rTransferAmount (#1097) is too similar to BLAST._getTValues(uint256).tTransferAmount (#873)
Variable BLAST._transferBothExcluded(address,address,uint256).rTransferAmount (#816) is too similar to BLAST._getTValues(uint256).tTransferAmount (#873)
Variable BLAST.reflectionFromToken(uint256,bool).rTransferAmount (#783) is too similar to BLAST._transferFromExcluded(address,address,uint256).tTransferAmount (#1097)
Variable BLAST._transferFromExcluded(address,address,uint256).rTransferAmount (#1097) is too similar to BLAST._getValues(uint256).tTransferAmount (#865)
Variable BLAST._transferStandard(address,address,uint256).rTransferAmount (#1078) is too similar to BLAST._getTValues(uint256).tTransferAmount (#873)
Variable BLAST._transferToExcluded(address,address,uint256).rTransferAmount (#1087) is too similar to BLAST._transferFromExcluded(address,address,uint256).tTransferAmount (#1097)
Variable BLAST._transferStandard(address,address,uint256).rTransferAmount (#1078) is too similar to BLAST._transferStandard(address,address,uint256).tTransferAmount (#1078)
Variable BLAST._transferToExcluded(address,address,uint256).rTransferAmount (#1087) is too similar to BLAST._transferToExcluded(address,address,uint256).tTransferAmount (#1087)
Variable BLAST._getRValues(uint256,uint256,uint256,uint256).rTransferAmount (#881) is too similar to BLAST._transferBothExcluded(address,address,uint256).tTransferAmount (#816)
Variable BLAST._transferStandard(address,address,uint256).rTransferAmount (#1078) is too similar to BLAST._transferFromExcluded(address,address,uint256).tTransferAmount (#1097)
Variable BLAST._getRValues(uint256,uint256,uint256,uint256).rTransferAmount (#881) is too similar to BLAST._getValues(uint256).tTransferAmount (#865)
Variable BLAST._transferToExcluded(address,address,uint256).rTransferAmount (#1087) is too similar to BLAST._transferBothExcluded(address,address,uint256).tTransferAmount (#816)
Variable BLAST.reflectionFromToken(uint256,bool).rTransferAmount (#783) is too similar to BLAST._getValues(uint256).tTransferAmount (#865)
Variable BLAST._transferBothExcluded(address,address,uint256).rTransferAmount (#816) is too similar to BLAST._transferBothExcluded(address,address,uint256).tTransferAmount (#816)
Variable BLAST._transferBothExcluded(address,address,uint256).rTransferAmount (#816) is too similar to BLAST._transferToExcluded(address,address,uint256).tTransferAmount (#1087)
Variable BLAST._transferBothExcluded(address,address,uint256).rTransferAmount (#816) is too similar to BLAST._getValues(uint256).tTransferAmount (#865)
Variable BLAST._getValues(uint256).rTransferAmount (#866) is too similar to BLAST._getTValues(uint256).tTransferAmount (#873)
Variable BLAST._transferFromExcluded(address,address,uint256).rTransferAmount (#1097) is too similar to BLAST._transferBothExcluded(address,address,uint256).tTransferAmount (#816)
Variable BLAST._transferToExcluded(address,address,uint256).rTransferAmount (#1087) is too similar to BLAST._getValues(uint256).tTransferAmount (#865)
Variable BLAST._transferBothExcluded(address,address,uint256).rTransferAmount (#816) is too similar to BLAST._transferStandard(address,address,uint256).tTransferAmount (#1078)
Variable BLAST._transferFromExcluded(address,address,uint256).rTransferAmount (#1097) is too similar to BLAST._transferStandard(address,address,uint256).tTransferAmount (#1078)
Variable BLAST._transferBothExcluded(address,address,uint256).rTransferAmount (#816) is too similar to BLAST._transferFromExcluded(address,address,uint256).tTransferAmount (#1097)
Variable BLAST.reflectionFromToken(uint256,bool).rTransferAmount (#783) is too similar to BLAST._transferToExcluded(address,address,uint256).tTransferAmount (#1087)
Variable IUniswapV2Router01.addLiquidity(address,address,uint256,uint256,uint256,uint256,address,uint256).amountADesired (#511) is too similar to IUniswapV2Router01.addLiquidity(address,address,uint256,uint256,uint256,uint256,address,uint256).amountBDesired (#512)
Variable BLAST._getValues(uint256).rTransferAmount (#866) is too similar to BLAST._transferToExcluded(address,address,uint256).tTransferAmount (#1087)
Variable BLAST._getRValues(uint256,uint256,uint256,uint256).rTransferAmount (#881) is too similar to BLAST._transferFromExcluded(address,address,uint256).tTransferAmount (#1097)
Variable BLAST._transferToExcluded(address,address,uint256).rTransferAmount (#1087) is too similar to BLAST._getTValues(uint256).tTransferAmount (#873)
Variable BLAST._getRValues(uint256,uint256,uint256,uint256).rTransferAmount (#881) is too similar to BLAST._transferToExcluded(address,address,uint256).tTransferAmount (#1087)
Variable BLAST._getRValues(uint256,uint256,uint256,uint256).rTransferAmount (#881) is too similar to BLAST._getTValues(uint256).tTransferAmount (#873)
Variable BLAST._getValues(uint256).rTransferAmount (#866) is too similar to BLAST._getValues(uint256).tTransferAmount (#865)
Variable BLAST._getValues(uint256).rTransferAmount (#866) is too similar to BLAST._transferStandard(address,address,uint256).tTransferAmount (#1078)
Variable BLAST._transferFromExcluded(address,address,uint256).rTransferAmount (#1097) is too similar to BLAST._transferFromExcluded(address,address,uint256).tTransferAmount (#1097)
Variable BLAST._getValues(uint256).rTransferAmount (#866) is too similar to BLAST._transferBothExcluded(address,address,uint256).tTransferAmount (#816)
Variable BLAST._getRValues(uint256,uint256,uint256,uint256).rTransferAmount (#881) is too similar to BLAST._transferStandard(address,address,uint256).tTransferAmount (#1078)
Variable BLAST.reflectionFromToken(uint256,bool).rTransferAmount (#783) is too similar to BLAST._getTValues(uint256).tTransferAmount (#873)
Variable BLAST._transferFromExcluded(address,address,uint256).rTransferAmount (#1097) is too similar to BLAST._transferToExcluded(address,address,uint256).tTransferAmount (#1087)
Variable BLAST._transferStandard(address,address,uint256).rTransferAmount (#1078) is too similar to BLAST._getValues(uint256).tTransferAmount (#865)
Variable BLAST._transferStandard(address,address,uint256).rTransferAmount (#1078) is too similar to BLAST._transferBothExcluded(address,address,uint256).tTransferAmount (#816)
Prevent variables from having similar names.
Additional information: link
BLAST.slitherConstructorVariables() (#639-1110) uses literals with too many digits:
- numTokensSellToAddToLiquidity = 500000000000 * 10 ** 9 (#675)
BLAST.slitherConstructorVariables() (#639-1110) uses literals with too many digits:
- _maxTxAmount = 5000000000000 * 10 ** 9 (#674)
BLAST.slitherConstructorVariables() (#639-1110) uses literals with too many digits:
- _tTotal = 1000000000000000 * 10 ** 9 (#653)
Use: Ether suffix, Time suffix, or The scientific notation
Additional information: link
BLAST._decimals (#659) should be constant
BLAST._symbol (#658) should be constant
BLAST._name (#657) should be constant
BLAST.numTokensSellToAddToLiquidity (#675) should be constant
BLAST._tTotal (#653) should be constant
Add the constant attributes to state variables that never change.
Additional information: link
decreaseAllowance(address,uint256) should be declared external:
- BLAST.decreaseAllowance(address,uint256) (#755-758)
symbol() should be declared external:
- BLAST.symbol() (#713-715)
isExcludedFromFee(address) should be declared external:
- BLAST.isExcludedFromFee(address) (#937-939)
renounceOwnership() should be declared external:
- Ownable.renounceOwnership() (#401-404)
excludeFromReward(address) should be declared external:
- BLAST.excludeFromReward(address) (#794-801)
totalFees() should be declared external:
- BLAST.totalFees() (#764-766)
deliver(uint256) should be declared external:
- BLAST.deliver(uint256) (#768-775)
increaseAllowance(address,uint256) should be declared external:
- BLAST.increaseAllowance(address,uint256) (#750-753)
setSwapAndLiquifyEnabled(bool) should be declared external:
- BLAST.setSwapAndLiquifyEnabled(bool) (#848-851)
decimals() should be declared external:
- BLAST.decimals() (#717-719)
isExcludedFromReward(address) should be declared external:
- BLAST.isExcludedFromReward(address) (#760-762)
includeInFee(address) should be declared external:
- BLAST.includeInFee(address) (#830-832)
name() should be declared external:
- BLAST.name() (#709-711)
transferOwnership(address) should be declared external:
- Ownable.transferOwnership(address) (#410-414)
excludeFromFee(address) should be declared external:
- BLAST.excludeFromFee(address) (#826-828)
geUnlockTime() should be declared external:
- Ownable.geUnlockTime() (#416-418)
transferFrom(address,address,uint256) should be declared external:
- BLAST.transferFrom(address,address,uint256) (#744-748)
approve(address,uint256) should be declared external:
- BLAST.approve(address,uint256) (#739-742)
unlock() should be declared external:
- Ownable.unlock() (#429-434)
transfer(address,uint256) should be declared external:
- BLAST.transfer(address,uint256) (#730-733)
allowance(address,address) should be declared external:
- BLAST.allowance(address,address) (#735-737)
lock(uint256) should be declared external:
- Ownable.lock(uint256) (#421-426)
reflectionFromToken(uint256,bool) should be declared external:
- BLAST.reflectionFromToken(uint256,bool) (#777-786)
totalSupply() should be declared external:
- BLAST.totalSupply() (#721-723)
Use the external attribute for functions never called from the contract.
Additional information: link
BLAST.includeInReward(address) (#803-814) has costly operations inside a loop:
- _excluded.pop() (#810)
Use a local variable to hold the loop computation result.
Additional information: link
Token has relatively low CoinGecko rank
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