def test_alpha2(self):
prefixes = [
'en', 'aa', 'ab', 'ae', 'af', 'ak', 'am', 'an', 'ar', 'as', 'av',
'ay', 'az', 'ba', 'be', 'bg', 'bh', 'bi', 'bm', 'bn', 'bo', 'br',
'bs', 'ca', 'ce', 'ch', 'co', 'cr', 'cs', 'cu', 'cv', 'cy', 'da',
'de', 'dv', 'dz', 'ee', 'el', 'eo', 'es', 'et', 'eu', 'fa', 'ff',
'fi', 'fj', 'fo', 'fr', 'fy', 'ga', 'gd', 'gl', 'gn', 'gu', 'gv',
'ha', 'he', 'hi', 'ho', 'hr', 'ht', 'hu', 'hy', 'hz', 'ia', 'id',
'ie', 'ig', 'ii', 'ik', 'io', 'is', 'it', 'iu', 'ja', 'jv', 'ka',
'kg', 'ki', 'kj', 'kk', 'kl', 'km', 'kn', 'ko', 'kr', 'ks', 'ku',
'kv', 'kw', 'ky', 'la', 'lb', 'lg', 'li', 'ln', 'lo', 'lt', 'lu',
'lv', 'mg', 'mh', 'mi', 'mk', 'ml', 'mn', 'mr', 'ms', 'mt', 'my',
'na', 'nb', 'nd', 'ne', 'ng', 'nl', 'nn', 'no', 'nr', 'nv', 'ny',
'oc', 'oj', 'om', 'or', 'os', 'pa', 'pi', 'pl', 'ps', 'pt', 'qu',
'rm', 'rn', 'ro', 'ru', 'rw', 'sa', 'sc', 'sd', 'se', 'sg', 'si',
'sk', 'sl', 'sm', 'sn', 'so', 'sq', 'sr', 'ss', 'st', 'su', 'sv',
'sw', 'ta', 'te', 'tg', 'th', 'ti', 'tk', 'tl', 'tn', 'to', 'tr',
'ts', 'tt', 'tw', 'ty', 'ug', 'uk', 'ur', 'uz', 've', 'vi', 'vo',
'wa', 'wo', 'xh', 'yi', 'yo', 'za', 'zh', 'zu'
]
for prefix in prefixes:
metadata = deepcopy(example_010)
metadata['stream']['metadata']['language'] = prefix
claim = ClaimDict.load_dict(metadata)
serialized = claim.serialized
self.assertDictEqual(
metadata, dict(ClaimDict.deserialize(serialized).claim_dict))
def smart_decode(claim_value):
"""
Decode a claim value
Try decoding claim protobuf, if this fails try decoding json and migrating it.
If unable to decode or migrate, raise DecodeError
"""
# if already decoded, return
if isinstance(claim_value, ClaimDict):
return claim_value
elif isinstance(claim_value, dict):
return ClaimDict.load_dict(claim_value)
# see if we were given a hex string, try decoding it
skip_hex = sum(1 if char not in hex_chars else 0 for char in claim_value)
if not skip_hex:
try:
decoded = claim_value.decode('hex')
claim_value = decoded
except (TypeError, ValueError):
pass
if claim_value.startswith("{"):
# try deserializing protobuf, if that fails try parsing from json
try:
decoded_json = json.loads(claim_value)
except (ValueError, TypeError):
try:
decoded_claim = ClaimDict.deserialize(claim_value)
return decoded_claim
except (DecodeError, InvalidAddress, KeyError):
raise DecodeError()
migrated_claim = migrate_json_claim_value(decoded_json)
return migrated_claim
else:
try:
decoded_claim = ClaimDict.deserialize(claim_value)
return decoded_claim
except (DecodeError, InvalidAddress, KeyError):
try:
decoded_json = json.loads(claim_value)
except (ValueError, TypeError):
raise DecodeError()
migrated_claim = migrate_json_claim_value(decoded_json)
return migrated_claim
def send_claim_to_address(self,
claim_id: str,
destination_address: str,
amount: Optional[int],
account=None):
account = account or self.default_account
claims = account.ledger.db.get_utxos(claim_id=claim_id)
if not claims:
raise NameError("Claim not found: {}".format(claim_id))
tx = yield Transaction.update(
claims[0], ClaimDict.deserialize(claims[0].script.value['claim']),
amount, destination_address.encode(), [account], account)
yield self.ledger.broadcast(tx)
return tx
def _format_claim_response(outpoint, claim_id, name, amount, height, serialized, channel_id, address, claim_sequence):
r = {
"name": name,
"claim_id": claim_id,
"address": address,
"claim_sequence": claim_sequence,
"value": ClaimDict.deserialize(serialized.decode('hex')).claim_dict,
"height": height,
"amount": float(Decimal(amount) / Decimal(COIN)),
"nout": int(outpoint.split(":")[1]),
"txid": outpoint.split(":")[0],
"channel_claim_id": channel_id,
"channel_name": None
}
return r
def get_channels(self):
utxos = yield super().get_unspent_outputs(
claim_type__any={'is_claim': 1, 'is_update': 1},
claim_name__like='@%'
)
channels = []
for utxo in utxos:
d = ClaimDict.deserialize(utxo.script.values['claim'])
channels.append({
'name': utxo.claim_name,
'claim_id': utxo.claim_id,
'txid': utxo.tx_ref.id,
'nout': utxo.position,
'have_certificate': utxo.ref.id in self.certificates
})
defer.returnValue(channels)
def _save_content_claim(transaction, claim_outpoint, stream_hash):
# get the claim id and serialized metadata
claim_info = transaction.execute(
"select claim_id, serialized_metadata from claim where claim_outpoint=?",
(claim_outpoint, )).fetchone()
if not claim_info:
raise Exception("claim not found")
new_claim_id, claim = claim_info[0], ClaimDict.deserialize(
unhexlify(claim_info[1]))
# certificate claims should not be in the content_claim table
if not claim.is_stream:
raise Exception("claim does not contain a stream")
# get the known sd hash for this stream
known_sd_hash = transaction.execute(
"select sd_hash from stream where stream_hash=?",
(stream_hash, )).fetchone()
if not known_sd_hash:
raise Exception("stream not found")
# check the claim contains the same sd hash
if known_sd_hash[0].encode() != claim.source_hash:
raise Exception("stream mismatch")
# if there is a current claim associated to the file, check that the new claim is an update to it
current_associated_content = transaction.execute(
"select claim_outpoint from content_claim where stream_hash=?",
(stream_hash, )).fetchone()
if current_associated_content:
current_associated_claim_id = transaction.execute(
"select claim_id from claim where claim_outpoint=?",
current_associated_content).fetchone()[0]
if current_associated_claim_id != new_claim_id:
raise Exception(
f"mismatching claim ids when updating stream {current_associated_claim_id} vs {new_claim_id}"
)
# update the claim associated to the file
transaction.execute(
"insert or replace into content_claim values (?, ?)",
(stream_hash, claim_outpoint))
def test_stream_is_not_certificate(self):
deserialized_claim = ClaimDict.deserialize(example_010_serialized.decode('hex'))
self.assertEquals(deserialized_claim.is_certificate, False)
def test_deserialize(self):
deserialized_claim = ClaimDict.deserialize(example_010_serialized.decode('hex'))
self.assertDictEqual(ClaimDict.load_dict(example_010).claim_dict,
deserialized_claim.claim_dict)
def claim(self) -> ClaimDict:
if self.script.is_claim_name or self.script.is_update_claim:
return ClaimDict.deserialize(self.script.values['claim'])
raise ValueError(
'Only claim name and claim update have the claim payload.')
def test_stream_is_not_certificate(self):
deserialized_claim = ClaimDict.deserialize(
binascii.unhexlify(example_010_serialized))
self.assertEqual(deserialized_claim.is_certificate, False)
def test_deserialize(self):
deserialized_claim = ClaimDict.deserialize(
binascii.unhexlify(example_010_serialized))
self.assertDictEqual(
ClaimDict.load_dict(example_010).claim_dict,
deserialized_claim.claim_dict)