pub fn std_surface(hash: &hemera::Hash, reader: &mut hemera::OutputReader) -> String {
let mut byte = [0u8; 1];
let _ = std::io::Read::read(reader, &mut byte);
hash.to_hex()
}
pub fn std_surface(hash: &hemera::Hash, reader: &mut hemera::OutputReader) -> String {
let mut byte = [0u8; 1];
let _ = std::io::Read::read(reader, &mut byte);
hash.to_hex()
}