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About EARN
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Yearn Classic (EARN) is the utility token for the Yearn Classic platform. It forms part of the DeFi and NFT ecosystem. A major advantage of EARN is that it allows users to stake their cryptocurrency assets in various different pools and in return users will be rewarded with EARN tokens.
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Laser Scorebeta Last Audit: 30 November 2021
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Unable to find manual contract audit (e.g. Certik, PeckShield, Solidity...)
EARN._writeCheckpoint(address,uint32,uint256,uint256) (#975-985) uses a dangerous strict equality:
- nCheckpoints > 0 && checkpoints[delegatee][nCheckpoints - 1].fromBlock == blockNumber (#978)
Don't use strict equality to determine if an account has enough Ether or tokens.
Additional information: link
BSC20._approve(address,address,uint256).owner (#724) shadows:
- Ownable.owner() (#247-249) (function)
Rename the local variables that shadow another component.
Additional information: link
EARN.setGovernance(address)._governance (#786) lacks a zero-check on :
- governance = _governance (#788)
Check that the address is not zero.
Additional information: link
EARN.delegateBySig(address,uint256,uint256,uint8,bytes32,bytes32) (#883-894) uses timestamp for comparisons
Dangerous comparisons:
- require(bool,string)(now <= expiry,EARN::delegateBySig: signature expired) (#892)
Avoid relying on block.timestamp.
Additional information: link
EARN.getChainId() (#992-996) uses assembly
- INLINE ASM (#994)
Do not use evm assembly.
Additional information: link
SafeMath.sqrt(uint256) (#176-187) is never used and should be removed
Remove unused functions.
Additional information: link
Pragma version>=0.6.6 (#14) 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 SafeBSC20.callOptionalReturn(IBSC20,bytes) (#460-471):
- (success,returndata) = address(token).call(data) (#464)
Avoid low-level calls. Check the call success. If the call is meant for a contract, check for code existence
Additional information: link
Variable EARN._delegates (#825) is not in mixedCase
Follow the Solidity naming convention.
Additional information: link
Redundant expression "this (#211)" inContext (#201-215)
Remove redundant statements if they congest code but offer no value.
Additional information: link
burnFrom(address,uint256) should be declared external:
- EARN.burnFrom(address,uint256) (#820-822)
Use the external attribute for functions never called from the contract.
Additional information: link
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.
BscScan page for the token does not contain additional info: website, socials, description, etc.
Additional information: link
Unable to find token contract audit
Unable to verify token contract address on the website
Unable to find audit link on the website
Unable to find whitepaper link on the website
Unable to find Telegram link on the website
Unable to find Twitter link on the website
Unable to find token on CoinHunt
Additional information: link
Young tokens have high risks of scam / price dump / death
Young tokens have high risks of scam / price dump / death
Token has a considerable age, but social accounts / website are missing or have few users
Token has relatively low CoinGecko rank
Price for EARN
LASER DESK beta
Twitter account link seems to be invalid
Unable to find Youtube account
Unable to find Discord account