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DYNA [Dynamix] Token

About DYNA

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Token 12 months
CoinMarketCap 11 months
white paper

Dynamix, The first token created with an evolving algorithm based on events. Increases Rewards system, Decreases Sell fees, Scalable buyback and burn system.

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Laser Scorebeta Last Audit: 30 December 2021

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

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

Reentrancy in Dynamix._transfer(address,address,uint256) (Dynamix.sol#79-115):
External calls:
- _sellAndBuy() (Dynamix.sol#108)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(token,0,path,address(this),block.timestamp) (Swap.sol#75-81)
- uniswapV2Router.swapExactETHForTokensSupportingFeeOnTransferTokens{value: bnb}(0,path,deadAddress,block.timestamp.add(300)) (Swap.sol#95-100)
External calls sending eth:
- _sellAndBuy() (Dynamix.sol#108)
- uniswapV2Router.swapExactETHForTokensSupportingFeeOnTransferTokens{value: bnb}(0,path,deadAddress,block.timestamp.add(300)) (Swap.sol#95-100)
State variables written after the call(s):
- amount = _transfer(sender,recipient,amount,rewardFee) (Dynamix.sol#112)
- _balances[sender].reward = _balances[sender].reward.sub(rewardAmount,reward sub rewardAmount) (Reward.sol#50)
- _balances[recipient].reward = _balances[recipient].reward.add(rewardToTransferAmount) (Reward.sol#51)
- _balances[sender].token = _balances[sender].token.sub(tokenAmount,token sub tokenAmount) (Reward.sol#55)
- _balances[recipient].token = _balances[recipient].token.add(tokenToTransfertAmount) (Reward.sol#58)
- amount = _transfer(sender,recipient,amount,rewardFee) (Dynamix.sol#112)
- _rewardSupply = _rewardSupply.sub(rewardFee,_rewardSupply sub rewardFee) (Reward.sol#61)
- amount = _transfer(sender,recipient,amount,rewardFee) (Dynamix.sol#112)
- holders ++ (Holder.sol#14)
- holders -- (Holder.sol#20)
Apply the check-effects-interactions pattern.

Additional information: link

Dynamix.decimals (Dynamix.sol#32) should be constant
Dynamix.name (Dynamix.sol#30) should be constant
Dynamix.symbol (Dynamix.sol#31) should be constant
Add the constant attributes to state variables that never change.

Additional information: link

totalSupply() should be declared external:
- Dynamix.totalSupply() (Dynamix.sol#39-41)
transfer(address,uint256) should be declared external:
- Dynamix.transfer(address,uint256) (Dynamix.sol#50-53)
allowance(address,address) should be declared external:
- Dynamix.allowance(address,address) (Dynamix.sol#55-57)
approve(address,uint256) should be declared external:
- Dynamix.approve(address,uint256) (Dynamix.sol#59-62)
transferFrom(address,address,uint256) should be declared external:
- Dynamix.transferFrom(address,address,uint256) (Dynamix.sol#64-68)
renounceOwnership() should be declared external:
- Ownable.renounceOwnership() (Ownable.sol#44-46)
transferOwnership(address) should be declared external:
- Ownable.transferOwnership(address) (Ownable.sol#52-55)
Use the external attribute for functions never called from the contract.

Additional information: link

Reward.includeAccountInRewards(address) (Reward.sol#118-132) has costly operations inside a loop:
- _excludedFromRewardAddr.pop() (Reward.sol#124)
Use a local variable to hold the loop computation result.

Additional information: link

Fee._getSellFee(uint256,uint256) (Fee.sol#92-105) performs a multiplication on the result of a division:
-tokenToTeam = amount.mul(fee).div(100) (Fee.sol#98)
-tokenToBuyBack = tokenToTeam.mul(35).div(100) (Fee.sol#101)
Reward._transfer(address,address,uint256,uint256) (Reward.sol#36-66) performs a multiplication on the result of a division:
-tokenFee = tokenAmount.mul(fee).div(100) (Reward.sol#41)
-rewardFee = tokenFee.mul(rate) (Reward.sol#46)
Consider ordering multiplication before division.

Additional information: link

Dynamix._transfer(address,address,uint256).tokenToOwner_scope_1 (Dynamix.sol#98) is a local variable never initialized
Dynamix._transfer(address,address,uint256).tokenToTeam_scope_0 (Dynamix.sol#98) is a local variable never initialized
Initialize all the variables. If a variable is meant to be initialized to zero, explicitly set it to zero to improve code readability.

Additional information: link

Dynamix.constructor(uint256).totalSupply (Dynamix.sol#34) shadows:
- Dynamix.totalSupply() (Dynamix.sol#39-41) (function)
- IERC20.totalSupply() (IERC20.sol#11) (function)
Dynamix.allowance(address,address).owner (Dynamix.sol#55) shadows:
- Ownable.owner() (Ownable.sol#25-27) (function)
Dynamix._approve(address,address,uint256).owner (Dynamix.sol#70) shadows:
- Ownable.owner() (Ownable.sol#25-27) (function)
Rename the local variables that shadow another component.

Additional information: link

Fee.setTeamAddress(address).addr (Fee.sol#122) lacks a zero-check on :
- teamAddress = addr (Fee.sol#123)
Check that the address is not zero.

Additional information: link

Variable 'Dynamix._transfer(address,address,uint256).tokenToOwner (Dynamix.sol#85)' in Dynamix._transfer(address,address,uint256) (Dynamix.sol#79-115) potentially used before declaration: (tokenToBuyBack,tokenToTeam,tokenToOwner) = _getSellFee(amount,_balances[sender].timestamp) (Dynamix.sol#98)
Variable 'Dynamix._transfer(address,address,uint256).tokenToTeam (Dynamix.sol#85)' in Dynamix._transfer(address,address,uint256) (Dynamix.sol#79-115) potentially used before declaration: (tokenToBuyBack,tokenToTeam,tokenToOwner) = _getSellFee(amount,_balances[sender].timestamp) (Dynamix.sol#98)
Move all variable declarations prior to any usage of the variable, and ensure that reaching a variable declaration does not depend on some conditional if it is used unconditionally.

Additional information: link

Reentrancy in Dynamix._sellAndBuy() (Dynamix.sol#128-145):
External calls:
- _swapTokensForBNB(contractToken) (Dynamix.sol#135)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(token,0,path,address(this),block.timestamp) (Swap.sol#75-81)
State variables written after the call(s):
- _approve(address(this),address(uniswapV2Router),contractBnb) (Dynamix.sol#142)
- _allowances[owner][spender] = amount (Dynamix.sol#74)
Reentrancy in Swap.constructor() (Swap.sol#43-49):
External calls:
- uniswapV2Pair = IUniswapV2Factory(_uniswapV2Router.factory()).createPair(address(this),_uniswapV2Router.WETH()) (Swap.sol#47)
State variables written after the call(s):
- uniswapV2Router = _uniswapV2Router (Swap.sol#48)
Reentrancy in Dynamix.transferFrom(address,address,uint256) (Dynamix.sol#64-68):
External calls:
- _transfer(sender,recipient,amount) (Dynamix.sol#65)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(token,0,path,address(this),block.timestamp) (Swap.sol#75-81)
- uniswapV2Router.swapExactETHForTokensSupportingFeeOnTransferTokens{value: bnb}(0,path,deadAddress,block.timestamp.add(300)) (Swap.sol#95-100)
External calls sending eth:
- _transfer(sender,recipient,amount) (Dynamix.sol#65)
- uniswapV2Router.swapExactETHForTokensSupportingFeeOnTransferTokens{value: bnb}(0,path,deadAddress,block.timestamp.add(300)) (Swap.sol#95-100)
State variables written after the call(s):
- _approve(sender,_msgSender(),_allowances[sender][_msgSender()].sub(amount,ERC20: transfer amount exceeds allowance)) (Dynamix.sol#66)
- _allowances[owner][spender] = amount (Dynamix.sol#74)
Apply the check-effects-interactions pattern.

Additional information: link

Reentrancy in Swap._buyBackAndBurnToken(uint256) (Swap.sol#88-103):
External calls:
- uniswapV2Router.swapExactETHForTokensSupportingFeeOnTransferTokens{value: bnb}(0,path,deadAddress,block.timestamp.add(300)) (Swap.sol#95-100)
Event emitted after the call(s):
- BuyBackAndBurned(bnb,path) (Swap.sol#102)
Reentrancy in Dynamix._sellAndBuy() (Dynamix.sol#128-145):
External calls:
- _swapTokensForBNB(contractToken) (Dynamix.sol#135)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(token,0,path,address(this),block.timestamp) (Swap.sol#75-81)
Event emitted after the call(s):
- Approval(owner,spender,amount) (Dynamix.sol#75)
- _approve(address(this),address(uniswapV2Router),contractBnb) (Dynamix.sol#142)
Reentrancy in Dynamix._sellAndBuy() (Dynamix.sol#128-145):
External calls:
- _swapTokensForBNB(contractToken) (Dynamix.sol#135)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(token,0,path,address(this),block.timestamp) (Swap.sol#75-81)
- _buyBackAndBurnToken(contractBnb) (Dynamix.sol#143)
- uniswapV2Router.swapExactETHForTokensSupportingFeeOnTransferTokens{value: bnb}(0,path,deadAddress,block.timestamp.add(300)) (Swap.sol#95-100)
External calls sending eth:
- _buyBackAndBurnToken(contractBnb) (Dynamix.sol#143)
- uniswapV2Router.swapExactETHForTokensSupportingFeeOnTransferTokens{value: bnb}(0,path,deadAddress,block.timestamp.add(300)) (Swap.sol#95-100)
Event emitted after the call(s):
- BuyBackAndBurned(bnb,path) (Swap.sol#102)
- _buyBackAndBurnToken(contractBnb) (Dynamix.sol#143)
Reentrancy in Swap._swapTokensForBNB(uint256) (Swap.sol#70-85):
External calls:
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(token,0,path,address(this),block.timestamp) (Swap.sol#75-81)
Event emitted after the call(s):
- SwapTokensForBNB(token,address(this),path) (Swap.sol#83)
Reentrancy in Dynamix._transfer(address,address,uint256) (Dynamix.sol#79-115):
External calls:
- _sellAndBuy() (Dynamix.sol#108)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(token,0,path,address(this),block.timestamp) (Swap.sol#75-81)
- uniswapV2Router.swapExactETHForTokensSupportingFeeOnTransferTokens{value: bnb}(0,path,deadAddress,block.timestamp.add(300)) (Swap.sol#95-100)
External calls sending eth:
- _sellAndBuy() (Dynamix.sol#108)
- uniswapV2Router.swapExactETHForTokensSupportingFeeOnTransferTokens{value: bnb}(0,path,deadAddress,block.timestamp.add(300)) (Swap.sol#95-100)
Event emitted after the call(s):
- Transfer(sender,recipient,amount) (Dynamix.sol#114)
Reentrancy in Dynamix.transferFrom(address,address,uint256) (Dynamix.sol#64-68):
External calls:
- _transfer(sender,recipient,amount) (Dynamix.sol#65)
- uniswapV2Router.swapExactTokensForETHSupportingFeeOnTransferTokens(token,0,path,address(this),block.timestamp) (Swap.sol#75-81)
- uniswapV2Router.swapExactETHForTokensSupportingFeeOnTransferTokens{value: bnb}(0,path,deadAddress,block.timestamp.add(300)) (Swap.sol#95-100)
External calls sending eth:
- _transfer(sender,recipient,amount) (Dynamix.sol#65)
- uniswapV2Router.swapExactETHForTokensSupportingFeeOnTransferTokens{value: bnb}(0,path,deadAddress,block.timestamp.add(300)) (Swap.sol#95-100)
Event emitted after the call(s):
- Approval(owner,spender,amount) (Dynamix.sol#75)
- _approve(sender,_msgSender(),_allowances[sender][_msgSender()].sub(amount,ERC20: transfer amount exceeds allowance)) (Dynamix.sol#66)
Apply the check-effects-interactions pattern.

Additional information: link

Fee._getHoldFee(uint256) (Fee.sol#108-119) uses timestamp for comparisons
Dangerous comparisons:
- diff <= 604800 (Fee.sol#111)
- diff <= 2592000 (Fee.sol#113)
- diff <= 15552000 (Fee.sol#115)
Avoid relying on block.timestamp.

Additional information: link

Address.isContract(address) (Address.sol#22-31) uses assembly
- INLINE ASM (Address.sol#29)
Address._functionCallWithValue(address,bytes,uint256,string) (Address.sol#115-136) uses assembly
- INLINE ASM (Address.sol#128-131)
Do not use evm assembly.

Additional information: link

Address._functionCallWithValue(address,bytes,uint256,string) (Address.sol#115-136) is never used and should be removed
Address.functionCall(address,bytes) (Address.sol#75-77) is never used and should be removed
Address.functionCall(address,bytes,string) (Address.sol#85-87) is never used and should be removed
Address.functionCallWithValue(address,bytes,uint256) (Address.sol#100-102) is never used and should be removed
Address.functionCallWithValue(address,bytes,uint256,string) (Address.sol#110-113) is never used and should be removed
Address.isContract(address) (Address.sol#22-31) is never used and should be removed
Address.sendValue(address,uint256) (Address.sol#49-55) is never used and should be removed
SafeMath.mod(uint256,uint256) (SafeMath.sol#47-49) is never used and should be removed
SafeMath.mod(uint256,uint256,string) (SafeMath.sol#51-54) is never used and should be removed
Remove unused functions.

Additional information: link

Pragma version>=0.6.0<0.7.0 (Address.sol#2) allows old versions
Pragma version>=0.6.0<0.7.0 (Dynamix.sol#2) allows old versions
Pragma version>=0.6.0<0.7.0 (Fee.sol#2) allows old versions
Pragma version>=0.6.0<0.7.0 (Holder.sol#2) allows old versions
Pragma version>=0.6.0<0.7.0 (IERC20.sol#2) allows old versions
Pragma version>=0.6.0<0.7.0 (Ownable.sol#2) allows old versions
Pragma version>=0.6.0<0.7.0 (Reward.sol#2) allows old versions
Pragma version>=0.6.0<0.7.0 (SafeMath.sol#2) allows old versions
Pragma version>=0.6.0<0.7.0 (Swap.sol#2) allows old versions
Pragma version>=0.6.0<0.7.0 (Uniswap.sol#2) allows old versions
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) (Address.sol#49-55):
- (success) = recipient.call{value: amount}() (Address.sol#53)
Low level call in Address._functionCallWithValue(address,bytes,uint256,string) (Address.sol#115-136):
- (success,returndata) = target.call{value: weiValue}(data) (Address.sol#119)
Avoid low-level calls. Check the call success. If the call is meant for a contract, check for code existence

Additional information: link

Variable Fee._pair (Fee.sol#12) is not in mixedCase
Variable Fee._excludedFromFee (Fee.sol#13) is not in mixedCase
Variable Reward._balances (Reward.sol#18) is not in mixedCase
Variable Reward._tokenSupply (Reward.sol#20) is not in mixedCase
Variable Reward._rewardSupply (Reward.sol#21) is not in mixedCase
Event SwapautoBuyBackChanged(bool,uint256,uint256) (Swap.sol#21-25) is not in CapWords
Function IUniswapV2Pair.DOMAIN_SEPARATOR() (Uniswap.sol#40) is not in mixedCase
Function IUniswapV2Pair.PERMIT_TYPEHASH() (Uniswap.sol#41) is not in mixedCase
Function IUniswapV2Pair.MINIMUM_LIQUIDITY() (Uniswap.sol#57) is not in mixedCase
Function IUniswapV2Router01.WETH() (Uniswap.sol#78) is not in mixedCase
Follow the Solidity naming convention.

Additional information: link

Variable IUniswapV2Router01.addLiquidity(address,address,uint256,uint256,uint256,uint256,address,uint256).amountADesired (Uniswap.sol#83) is too similar to IUniswapV2Router01.addLiquidity(address,address,uint256,uint256,uint256,uint256,address,uint256).amountBDesired (Uniswap.sol#84)
Prevent variables from having similar names.

Additional information: link

Swap._buyBackAndBurnToken(uint256) (Swap.sol#88-103) uses literals with too many digits:
- deadAddress = 0x000000000000000000000000000000000000dEaD (Swap.sol#89)
Fee.constructor() (Fee.sol#34-41) uses literals with too many digits:
- deadAddress = 0x000000000000000000000000000000000000dEaD (Fee.sol#35)
Fee._getRewardFee(uint256) (Fee.sol#78-89) uses literals with too many digits:
- holders <= 100000 (Fee.sol#85)
Reward.constructor(uint256) (Reward.sol#25-33) uses literals with too many digits:
- require(bool,string)(totalSupply <= 1000000000000000000000000,totalSupply is too high) (Reward.sol#26)
Use: Ether suffix, Time suffix, or The scientific notation

Additional information: link

Holders:


Token is deployed only at one blockchain


Unable to find PancakeSwap trading pair to compute liquidity.


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


Last post in Twitter was more than 30 days ago


Unable to find Youtube account


Unable to find Discord account


Unable to find token contract audit


Unable to find audit link on the website


Unable to find whitepaper link on the website


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


Young tokens have high risks of price dump / death

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