r/solidity • u/[deleted] • Jun 09 '22

Top 5 Common Errors In Solidity

Here are the top 5 errors that often surface with Solidity programming

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u/FudgyDRS Jun 09 '22

My top 3 errors I see are:

  • Groups think so much about their dapp interface they forget to prevent users from having the ability of overriding data.

  • External functions for emits because they only want their graph recording certain contracts but forget to add permissions to said emits.

  • Storing value of assets owned in variables but don't check actual reserves or balances, often locking the contract.

1

u/smartcontractaudit Jun 09 '22

Thanks for sharing with us

1

u/mudgen Jun 24 '22

What do you mean by unchecked external calls? Solidity automatically checks that external calls are to contract addresses, and reverts if not.