hash_of_map function
@param {object} map @returns {Buffer}
Implementation
// ignore: non_constant_identifier_names
Uint8List hash_of_map(Map map) {
var hashes = <Uint8List>[];
for (var entry in map.entries) {
hashes.add(hash_key_val(entry.key, entry.value));
}
return sha256Chunks(u8aSorted(hashes));
}