def parse_deckspawn_metainfo(protobuf: bytes, version: int) -> dict:
'''Decode deck_spawn tx op_return protobuf message and validate it,
Raise error if deck_spawn metainfo incomplete or version mistmatch.'''
deck = DeckSpawnProto()
deck.ParseFromString(protobuf)
error = {
"error":
"Deck ({deck}) metainfo incomplete, deck must have a name.".format(
deck=deck.name)
}
if deck.name == "":
raise InvalidDeckMetainfo(error)
if deck.version != version:
raise InvalidDeckVersion({"error", "Deck version mismatch."})
return {
"version": deck.version,
"name": deck.name,
"issue_mode": deck.issue_mode,
"number_of_decimals": deck.number_of_decimals,
"asset_specific_data": deck.asset_specific_data
}
def test_issue_mode_to_enum():
'''test issue mode to enum conversion'''
deck = generate_dummy_deck().metainfo_to_protobuf
deck_meta = DeckSpawn()
deck_meta.ParseFromString(deck)
assert isinstance(issue_mode_to_enum(deck_meta,
["CUSTOM", "SINGLET"]), int)
def test_deck_issue_mode():
'''test enum to issue_mode conversion'''
deck_meta = DeckSpawn()
deck_meta.issue_mode = 3
assert isinstance(deck_issue_mode(deck_meta), Generator)
assert list(deck_issue_mode(deck_meta)) == ['CUSTOM', 'ONCE']
# Check that we handle NONE mode correctly.
deck_meta.issue_mode = 0
assert list(deck_issue_mode(deck_meta)) == ['NONE']