Function casper_contract::ext_ffi::casper_blake2b

pub unsafe extern "C" fn casper_blake2b(
    in_ptr: *const u8, 
    in_size: usize, 
    out_ptr: *mut u8, 
    out_size: usize
) -> i32

Returns a 32-byte BLAKE2b hash digest from the given input bytes

Arguments

• in_ptr - pointer to bytes
• in_size - length of bytes
• out_ptr - pointer to the location where argument bytes will be copied from the host side
• out_size - size of output pointer