Function spl_token::instruction::transfer_checked

pub fn transfer_checked(
    token_program_id: &Pubkey, 
    source_pubkey: &Pubkey, 
    mint_pubkey: &Pubkey, 
    destination_pubkey: &Pubkey, 
    authority_pubkey: &Pubkey, 
    signer_pubkeys: &[&Pubkey], 
    amount: u64, 
    decimals: u8
) -> Result<Instruction, ProgramError>

Creates a TransferChecked instruction.