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BTSA [BTSA Coin] Token

About BTSA

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Token 15 months
white paper

BTSA Coin (BTSA) is a donation/ charity/ crowd-fund-oriented Deflationary Fans token made by Fans for Fans.

BTSA is enacting innovative yet realistic options which will allow us to improve as many lives as possible. BTSA is focused on BTS-related project activities. We have a vision where a person can impact the world positively to become inspiration-ally to everyone, the means to granting prosperity for all. We invite our investors to join us on our journey to building this new reality.

That is why the BTSA Coin was created. To ignite people to do more for society.
You can be a BTS Fans, or ongoing Fans, content creators such as Youtuber, Blogger, Artist, a Social activist, or a charity organization. You can use BTSA coin as one Trusted Transparent Ways to donate/ charity/ crowd-fund project.

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Laser Scorebeta Last Audit: 30 November 2021

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Token has too many issues. Scam probability is high.

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

Reentrancy in BTSACoin._transfer(address,address,uint256) (#1112-1156):
External calls:
- swapAndLiquify(contractTokenBalance) (#1143)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#1204-1211)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#1190-1196)
External calls sending eth:
- swapAndLiquify(contractTokenBalance) (#1143)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#1204-1211)
State variables written after the call(s):
- _tokenTransfer(from,to,amount,takeFee) (#1155)
- _rOwned[address(this)] = _rOwned[address(this)].add(rLiquidity) (#1051)
- _rOwned[_charityWalletAddress] = _rOwned[_charityWalletAddress].add(rCharity) (#1059)
- _rOwned[sender] = _rOwned[sender].sub(rAmount) (#1237)
- _rOwned[sender] = _rOwned[sender].sub(rAmount) (#1247)
- _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount) (#1238)
- _rOwned[sender] = _rOwned[sender].sub(rAmount) (#960)
- _rOwned[sender] = _rOwned[sender].sub(rAmount) (#1259)
- _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount) (#1260)
- _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount) (#1249)
- _rOwned[recipient] = _rOwned[recipient].add(rTransferAmount) (#962)
- _tokenTransfer(from,to,amount,takeFee) (#1155)
- _rTotal = _rTotal.sub(rFee) (#1004)
- _tokenTransfer(from,to,amount,takeFee) (#1155)
- _tOwned[address(this)] = _tOwned[address(this)].add(tLiquidity) (#1053)
- _tOwned[_charityWalletAddress] = _tOwned[_charityWalletAddress].add(tCharity) (#1061)
- _tOwned[sender] = _tOwned[sender].sub(tAmount) (#959)
- _tOwned[sender] = _tOwned[sender].sub(tAmount) (#1258)
- _tOwned[recipient] = _tOwned[recipient].add(tTransferAmount) (#1248)
- _tOwned[recipient] = _tOwned[recipient].add(tTransferAmount) (#961)
Apply the check-effects-interactions pattern.

Additional information: link

BTSACoin.addLiquidity(uint256,uint256) (#1199-1212) ignores return value by uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#1204-1211)
Ensure that all the return values of the function calls are used.

Additional information: link

BTSACoin._approve(address,address,uint256).owner (#1104) shadows:
- Ownable.owner() (#540-542) (function)
Rename the local variables that shadow another component.

Additional information: link

BTSACoin.setMaxTxPercent(uint256) (#989-993) should emit an event for:
- _maxTxAmount = _tTotal.mul(maxTxPercent).div(10 ** 2) (#990-992)
Emit an event for critical parameter changes.

Additional information: link

Reentrancy in BTSACoin.transferFrom(address,address,uint256) (#885-889):
External calls:
- _transfer(sender,recipient,amount) (#886)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#1204-1211)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#1190-1196)
External calls sending eth:
- _transfer(sender,recipient,amount) (#886)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#1204-1211)
State variables written after the call(s):
- _approve(sender,_msgSender(),_allowances[sender][_msgSender()].sub(amount,ERC20: transfer amount exceeds allowance)) (#887)
- _allowances[owner][spender] = amount (#1108)
Apply the check-effects-interactions pattern.

Additional information: link

Reentrancy in BTSACoin.transferFrom(address,address,uint256) (#885-889):
External calls:
- _transfer(sender,recipient,amount) (#886)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#1204-1211)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(tokenAmount,0,path,address(this),block.timestamp) (#1190-1196)
External calls sending eth:
- _transfer(sender,recipient,amount) (#886)
- uniswapV2Router.addLiquidityETH{value: ethAmount}(address(this),tokenAmount,0,0,owner(),block.timestamp) (#1204-1211)
Event emitted after the call(s):
- Approval(owner,spender,amount) (#1109)
- _approve(sender,_msgSender(),_allowances[sender][_msgSender()].sub(amount,ERC20: transfer amount exceeds allowance)) (#887)
Apply the check-effects-interactions pattern.

Additional information: link

Address._verifyCallResult(bool,bytes,string) (#492-509) uses assembly
- INLINE ASM (#501-504)
Do not use evm assembly.

Additional information: link

SafeMath.trySub(uint256,uint256) (#119-124) is never used and should be removed
Remove unused functions.

Additional information: link

BTSACoin._previousLiquidityFee (#807) 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

solc-0.8.3 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.functionDelegateCall(address,bytes,string) (#484-490):
- (success,returndata) = target.delegatecall(data) (#488)
Avoid low-level calls. Check the call success. If the call is meant for a contract, check for code existence

Additional information: link

Variable BTSACoin._maxTxAmount (#815) is not in mixedCase
Follow the Solidity naming convention.

Additional information: link

Redundant expression "this (#321)" inContext (#315-324)
Remove redundant statements if they congest code but offer no value.

Additional information: link

Variable BTSACoin._transferBothExcluded(address,address,uint256).rTransferAmount (#958) is too similar to BTSACoin._getTValues(uint256).tTransferAmount (#1018)
Prevent variables from having similar names.

Additional information: link

BTSACoin.slitherConstructorVariables() (#777-1268) uses literals with too many digits:
- _tTotal = 9000000 * 10 ** 6 * 10 ** 9 (#793)
Use: Ether suffix, Time suffix, or The scientific notation

Additional information: link

BTSACoin.numTokensSellToAddToLiquidity (#816) should be constant
Add the constant attributes to state variables that never change.

Additional information: link

isExcludedFromFee(address) should be declared external:
- BTSACoin.isExcludedFromFee(address) (#1100-1102)
Use the external attribute for functions never called from the contract.

Additional information: link

Holders:


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.


Twitter account link seems to be invalid


Telegram account has less than 100 subscribers


Unable to find Blog account (Reddit or Medium)


Unable to find Discord account


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


Token has a considerable age, but we're still unable to find its website


Token has no active CoinGecko listing / rank


Token has no active CoinMarketCap listing / rank


Token has a considerable age, but social accounts / website are missing or have few users


Token has a considerable age, but average PancakeSwap 30d trading volume is low


Young tokens have high risks of price dump / death

Price for BTSA