About C98
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Coin98 is an all-in-one DeFi Platform that aims to fulfill untapped demand in the industry and become a Gateway bridging TradFi users to any DeFi services on multiple blockchains. It accomplishes this mission through a full suite of products, including Coin98 Wallet, Coin98 Exchange, and Space Gate (cross-chain bridge).
Coin98 Wallet: Allows users to store, send, receive, manage crypto assets and connect to numerous dApps on multiple blockchains. It supports over 20 blockchains such as Ethereum, Binance Smart Chain, Solana, Polygon, Avalanche, Terra, etc on both mobile (iOS & android) and Chrome extension versions.
Coin98 Exchange: A multichain liquidity aggregator that allows users to swap, stake, lend, borrow, earn crypto with the best rates and low slippage.
Space Gate: A cross-chain bridge that enables swapping and transferring values across multiple networks. It supports token swaps between ERC20 tokens, BEP20 tokens, SPL tokens, and more.
The C98 token is the native utility token of the Coin98 platform and will be used to pay services fees, as staking incentives, for governance, and unique membership rights.
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Laser Scorebeta Last Audit: 28 May 2022
Coin98.allowance(address,address).owner (#580) shadows:
- Ownable.owner() (#340-342) (function)
Coin98._approve(address,address,uint256).owner (#787) shadows:
- Ownable.owner() (#340-342) (function)
Rename the local variables that shadow another component.
Additional information: link
Coin98._afterTokenTransfer(address,address,uint256) (#813-817) is never used and should be removed
Context._msgData() (#304-307) is never used and should be removed
SafeMath.div(uint256,uint256) (#134-137) is never used and should be removed
SafeMath.div(uint256,uint256,string) (#189-192) is never used and should be removed
SafeMath.mod(uint256,uint256) (#151-154) is never used and should be removed
SafeMath.mod(uint256,uint256,string) (#209-212) is never used and should be removed
SafeMath.mul(uint256,uint256) (#115-120) is never used and should be removed
SafeMath.tryAdd(uint256,uint256) (#23-27) is never used and should be removed
SafeMath.tryDiv(uint256,uint256) (#59-62) is never used and should be removed
SafeMath.tryMod(uint256,uint256) (#69-72) is never used and should be removed
SafeMath.tryMul(uint256,uint256) (#44-52) is never used and should be removed
SafeMath.trySub(uint256,uint256) (#34-37) is never used and should be removed
Remove unused functions.
Additional information: link
Pragma version>=0.6.0<0.8.0 (#2) is too complex
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
Redundant expression "this (#305)" inContext (#299-308)
Remove redundant statements if they congest code but offer no value.
Additional information: link
Coin98.constructor() (#510-516) uses literals with too many digits:
- _maxSupply = 1000000000 * fractions (#515)
Use: Ether suffix, Time suffix, or The scientific notation
Additional information: link
acceptOwnership() should be declared external:
- Ownable.acceptOwnership() (#358-364)
transferOwnership(address) should be declared external:
- Ownable.transferOwnership(address) (#371-374)
name() should be declared external:
- Coin98.name() (#521-523)
symbol() should be declared external:
- Coin98.symbol() (#529-531)
decimals() should be declared external:
- Coin98.decimals() (#546-548)
totalSupply() should be declared external:
- Coin98.totalSupply() (#553-555)
balanceOf(address) should be declared external:
- Coin98.balanceOf(address) (#560-562)
transfer(address,uint256) should be declared external:
- Coin98.transfer(address,uint256) (#572-575)
approve(address,uint256) should be declared external:
- Coin98.approve(address,uint256) (#591-594)
transferFrom(address,address,uint256) should be declared external:
- Coin98.transferFrom(address,address,uint256) (#609-613)
increaseAllowance(address,uint256) should be declared external:
- Coin98.increaseAllowance(address,uint256) (#627-630)
decreaseAllowance(address,uint256) should be declared external:
- Coin98.decreaseAllowance(address,uint256) (#646-649)
mint(address,uint256) should be declared external:
- Coin98.mint(address,uint256) (#657-659)
burn(uint256) should be declared external:
- Coin98.burn(uint256) (#666-668)
burnFrom(address,uint256) should be declared external:
- Coin98.burnFrom(address,uint256) (#681-686)
freeze() should be declared external:
- Coin98.freeze() (#694-696)
unfreeze() should be declared external:
- Coin98.unfreeze() (#704-706)
Use the external attribute for functions never called from the contract.
Additional information: link
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Price for C98
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