Function mpl_utils::token::assert_holder

source · 
pub fn assert_holder(
    token_account: impl ToTokenAccount,
    owner_info: &AccountInfo<'_>,
    mint_info: &AccountInfo<'_>,
    error: impl Into<ProgramError> + Clone
) -> ProgramResult
Expand description

Asserts that

  • the given token account is initialized
  • it’s owner matches the provided owner
  • it’s mint matches the provided mint
  • it holds more than than 0 tokens of the given mint. Accepts either an &AccountInfo or an Account for token_account parameter.