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Inconsistent symbols

Configuration

  • detector id: inconsistency
  • severity: info

Description

Symbols with similar but slightly different names may be misused. Such error is hard to find out manually but may result in critical results.

Sample code

ext::ft_transfer(
    receiver_id,
    U128(amount),
    None,
    token_id,
    1,
    GAS_FOR_NFT_TRANSFER  // should use GAS_FOR_FT_TRANSFER here
)

In this sample, the contract should use GAS_FOR_FT_TRANSFER instead of GAS_FOR_NFT_TRANSFER. These two constants may vary a lot in value, and gas for the ft_transfer may be insufficient.