Function spl_token::instruction::initialize_mint

pub fn initialize_mint(
    token_program_id: &Pubkey, 
    mint_pubkey: &Pubkey, 
    account_pubkey: Option<&Pubkey>, 
    owner_pubkey: Option<&Pubkey>, 
    amount: u64, 
    decimals: u8
) -> Result<Instruction, ProgramError>

Creates a 'InitializeMint' instruction.