lbry-sdk/lbrynet/tests/mocks.py

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import base64
import io
from cryptography.hazmat.backends import default_backend
from cryptography.hazmat.primitives.asymmetric import rsa
from cryptography.hazmat.primitives import serialization
from twisted.internet import defer
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from twisted.python.failure import Failure
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from lbrynet.core.client.ClientRequest import ClientRequest
from lbrynet.core.Error import RequestCanceledError
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from lbrynet.core import BlobAvailability
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from lbrynet.dht.node import Node as RealNode
from lbrynet.daemon import ExchangeRateManager as ERM
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from lbrynet import conf
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KB = 2**10
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PUBLIC_EXPONENT = 65537 # http://www.daemonology.net/blog/2009-06-11-cryptographic-right-answers.html
def decode_rsa_key(pem_key):
decoded = base64.b64decode(''.join(pem_key.splitlines()[1:-1]))
return serialization.load_der_public_key(decoded, default_backend())
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class FakeLBRYFile(object):
def __init__(self, blob_manager, stream_info_manager, stream_hash, uri="fake_uri"):
self.blob_manager = blob_manager
self.stream_info_manager = stream_info_manager
self.stream_hash = stream_hash
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self.file_name = 'fake_lbry_file'
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class Node(RealNode):
def joinNetwork(self, known_node_addresses=None):
return defer.succeed(None)
def stop(self):
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return defer.succeed(None)
def start(self, known_node_addresses=None):
return self.joinNetwork(known_node_addresses)
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class FakeNetwork(object):
@staticmethod
def get_local_height():
return 1
@staticmethod
def get_server_height():
return 1
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class BTCLBCFeed(ERM.MarketFeed):
def __init__(self):
ERM.MarketFeed.__init__(
self,
"BTCLBC",
"market name",
"derp.com",
None,
0.0
)
class USDBTCFeed(ERM.MarketFeed):
def __init__(self):
ERM.MarketFeed.__init__(
self,
"USDBTC",
"market name",
"derp.com",
None,
0.0
)
class ExchangeRateManager(ERM.ExchangeRateManager):
def __init__(self, market_feeds, rates):
self.market_feeds = market_feeds
for feed in self.market_feeds:
feed.rate = ERM.ExchangeRate(
feed.market, rates[feed.market]['spot'], rates[feed.market]['ts'])
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class PointTraderKeyExchanger(object):
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def __init__(self, wallet):
self.wallet = wallet
self._protocols = []
def send_next_request(self, peer, protocol):
if not protocol in self._protocols:
r = ClientRequest({'public_key': self.wallet.encoded_public_key},
'public_key')
d = protocol.add_request(r)
d.addCallback(self._handle_exchange_response, peer, r, protocol)
d.addErrback(self._request_failed, peer)
self._protocols.append(protocol)
return defer.succeed(True)
else:
return defer.succeed(False)
def _handle_exchange_response(self, response_dict, peer, request, protocol):
assert request.response_identifier in response_dict, \
"Expected %s in dict but did not get it" % request.response_identifier
assert protocol in self._protocols, "Responding protocol is not in our list of protocols"
peer_pub_key = response_dict[request.response_identifier]
self.wallet.set_public_key_for_peer(peer, peer_pub_key)
return True
def _request_failed(self, err, peer):
if not err.check(RequestCanceledError):
return err
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class PointTraderKeyQueryHandlerFactory(object):
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def __init__(self, wallet):
self.wallet = wallet
def build_query_handler(self):
q_h = PointTraderKeyQueryHandler(self.wallet)
return q_h
def get_primary_query_identifier(self):
return 'public_key'
def get_description(self):
return ("Point Trader Address - an address for receiving payments on the "
"point trader testing network")
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class PointTraderKeyQueryHandler(object):
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def __init__(self, wallet):
self.wallet = wallet
self.query_identifiers = ['public_key']
self.public_key = None
self.peer = None
def register_with_request_handler(self, request_handler, peer):
self.peer = peer
request_handler.register_query_handler(self, self.query_identifiers)
def handle_queries(self, queries):
if self.query_identifiers[0] in queries:
new_encoded_pub_key = queries[self.query_identifiers[0]]
try:
decode_rsa_key(new_encoded_pub_key)
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except (ValueError, TypeError, IndexError):
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value_error = ValueError("Client sent an invalid public key: {}".format(new_encoded_pub_key))
return defer.fail(Failure(value_error))
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self.public_key = new_encoded_pub_key
self.wallet.set_public_key_for_peer(self.peer, self.public_key)
fields = {'public_key': self.wallet.encoded_public_key}
return defer.succeed(fields)
if self.public_key is None:
return defer.fail(Failure(ValueError("Expected but did not receive a public key")))
else:
return defer.succeed({})
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class Wallet(object):
def __init__(self):
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self.private_key = rsa.generate_private_key(public_exponent=PUBLIC_EXPONENT,
key_size=1024, backend=default_backend())
self.encoded_public_key = self.private_key.public_key().public_bytes(serialization.Encoding.PEM,
serialization.PublicFormat.PKCS1)
self._config = None
self.network = None
self.wallet = None
self.is_first_run = False
self.printed_retrieving_headers = False
self._start_check = None
self._catch_up_check = None
self._caught_up_counter = 0
self._lag_counter = 0
self.blocks_behind = 0
self.catchup_progress = 0
self.max_behind = 0
def start(self):
return defer.succeed(True)
def stop(self):
return defer.succeed(True)
def get_info_exchanger(self):
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return PointTraderKeyExchanger(self)
def update_peer_address(self, peer, address):
pass
def get_wallet_info_query_handler_factory(self):
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return PointTraderKeyQueryHandlerFactory(self)
def get_unused_address_for_peer(self, peer):
return defer.succeed("bDtL6qriyimxz71DSYjojTBsm6cpM1bqmj")
def reserve_points(self, *args):
return True
def cancel_point_reservation(self, *args):
pass
def send_points(self, *args):
return defer.succeed(True)
def add_expected_payment(self, *args):
pass
def get_balance(self):
return defer.succeed(1000)
def set_public_key_for_peer(self, peer, public_key):
pass
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def get_claim_metadata_for_sd_hash(self, sd_hash):
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return "fakeuri", "aa04a949348f9f094d503e5816f0cfb57ee68a22f6d08d149217d071243e0377", 1
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def get_claimid(self, name, txid=None, nout=None):
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return "aa04a949348f9f094d503e5816f0cfb57ee68a22f6d08d149217d071243e0378"
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class PeerFinder(object):
def __init__(self, start_port, peer_manager, num_peers):
self.start_port = start_port
self.peer_manager = peer_manager
self.num_peers = num_peers
self.count = 0
def find_peers_for_blob(self, h, filter_self=False):
peer_port = self.start_port + self.count
self.count += 1
if self.count >= self.num_peers:
self.count = 0
return defer.succeed([self.peer_manager.get_peer("127.0.0.1", peer_port)])
def run_manage_loop(self):
pass
def stop(self):
pass
class Announcer(object):
def __init__(self, *args):
pass
def hash_queue_size(self):
return 0
def add_supplier(self, supplier):
pass
def immediate_announce(self, *args):
pass
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def start(self):
pass
def stop(self):
pass
class GenFile(io.RawIOBase):
def __init__(self, size, pattern):
io.RawIOBase.__init__(self)
self.size = size
self.pattern = pattern
self.read_so_far = 0
self.buff = b''
self.last_offset = 0
self.name = "."
def readable(self):
return True
def writable(self):
return False
def read(self, n=-1):
if n > -1:
bytes_to_read = min(n, self.size - self.read_so_far)
else:
bytes_to_read = self.size - self.read_so_far
output, self.buff = self.buff[:bytes_to_read], self.buff[bytes_to_read:]
bytes_to_read -= len(output)
while bytes_to_read > 0:
self.buff = self._generate_chunk()
new_output, self.buff = self.buff[:bytes_to_read], self.buff[bytes_to_read:]
bytes_to_read -= len(new_output)
output += new_output
self.read_so_far += len(output)
return output
def readall(self):
return self.read()
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def _generate_chunk(self, size=KB):
output = self.pattern[self.last_offset:self.last_offset + size]
n_left = size - len(output)
whole_patterns = n_left / len(self.pattern)
output += self.pattern * whole_patterns
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self.last_offset = size - len(output)
output += self.pattern[:self.last_offset]
return output
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class BlobAvailabilityTracker(BlobAvailability.BlobAvailabilityTracker):
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"""
Class to track peer counts for known blobs, and to discover new popular blobs
Attributes:
availability (dict): dictionary of peers for known blobs
"""
def __init__(self, blob_manager=None, peer_finder=None, dht_node=None):
self.availability = {
'91dc64cf1ff42e20d627b033ad5e4c3a4a96856ed8a6e3fb'
'4cd5fa1cfba4bf72eefd325f579db92f45f4355550ace8e7': ['1.2.3.4'],
'b2e48bb4c88cf46b76adf0d47a72389fae0cd1f19ed27dc5'
'09138c99509a25423a4cef788d571dca7988e1dca69e6fa0': ['1.2.3.4', '1.2.3.4'],
'6af95cd062b4a179576997ef1054c9d2120f8592eea045e9'
'667bea411d520262cd5a47b137eabb7a7871f5f8a79c92dd':
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['1.2.3.4', '1.2.3.4', '1.2.3.4'],
'6d8017aba362e5c5d0046625a039513419810a0397d72831'
'8c328a5cc5d96efb589fbca0728e54fe5adbf87e9545ee07':
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['1.2.3.4', '1.2.3.4', '1.2.3.4', '1.2.3.4'],
'5a450b416275da4bdff604ee7b58eaedc7913c5005b7184f'
'c3bc5ef0b1add00613587f54217c91097fc039ed9eace9dd':
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['1.2.3.4', '1.2.3.4', '1.2.3.4', '1.2.3.4', '1.2.3.4'],
'd7c82e6cac093b3f16107d2ae2b2c75424f1fcad2c7fbdbe'
'66e4a13c0b6bd27b67b3a29c403b82279ab0f7c1c48d6787':
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['1.2.3.4', '1.2.3.4', '1.2.3.4', '1.2.3.4', '1.2.3.4', '1.2.3.4'],
'9dbda74a472a2e5861a5d18197aeba0f5de67c67e401124c'
'243d2f0f41edf01d7a26aeb0b5fc9bf47f6361e0f0968e2c':
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['1.2.3.4', '1.2.3.4', '1.2.3.4', '1.2.3.4', '1.2.3.4', '1.2.3.4', '1.2.3.4'],
'8c70d5e2f5c3a6085006198e5192d157a125d92e73787944'
'72007a61947992768926513fc10924785bdb1761df3c37e6':
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['1.2.3.4', '1.2.3.4', '1.2.3.4', '1.2.3.4', '1.2.3.4', '1.2.3.4', '1.2.3.4',
'1.2.3.4'],
'f99d24cd50d4bfd77c2598bfbeeb8415bf0feef21200bdf0'
'b8fbbde7751a77b7a2c68e09c25465a2f40fba8eecb0b4e0':
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['1.2.3.4', '1.2.3.4', '1.2.3.4', '1.2.3.4', '1.2.3.4', '1.2.3.4', '1.2.3.4',
'1.2.3.4', '1.2.3.4'],
'c84aa1fd8f5009f7c4e71e444e40d95610abc1480834f835'
'eefb267287aeb10025880a3ce22580db8c6d92efb5bc0c9c':
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['1.2.3.4', '1.2.3.4', '1.2.3.4', '1.2.3.4', '1.2.3.4', '1.2.3.4', '1.2.3.4',
'1.2.3.4', '1.2.3.4', '1.2.3.4'],
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}
self._blob_manager = None
self._peer_finder = PeerFinder(11223, 11224, 2)
self._dht_node = None
self._check_popular = None
self._check_mine = None
self._set_mean_peers()
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def start(self):
pass
def stop(self):
pass
create_stream_sd_file = {
'stream_name': '746573745f66696c65',
'blobs': [
{
'length': 2097152,
'blob_num': 0,
'blob_hash': 'dc4708f76a5e7af0f1cae0ee96b824e2ed9250c9346c093b'
'441f0a20d3607c17948b6fcfb4bc62020fe5286693d08586',
'iv': '30303030303030303030303030303031'
},
{
'length': 2097152,
'blob_num': 1,
'blob_hash': 'f4067522c1b49432a2a679512e3917144317caa1abba0c04'
'1e0cd2cf9f635d4cf127ce1824fa04189b63916174951f70',
'iv': '30303030303030303030303030303032'
},
{
'length': 1015056,
'blob_num': 2,
'blob_hash': '305486c434260484fcb2968ce0e963b72f81ba56c11b08b1'
'af0789b55b44d78422600f9a38e3cf4f2e9569897e5646a9',
'iv': '30303030303030303030303030303033'
},
{'length': 0, 'blob_num': 3, 'iv': '30303030303030303030303030303034'}
],
'stream_type': 'lbryfile',
'key': '30313233343536373031323334353637',
'suggested_file_name': '746573745f66696c65',
'stream_hash': '6d27fbe10c86d81aacfb897c7a426d0a2214f5a299455a6d'
'315c0f998c4b3545c2dc60906122d94653c23b1898229e3f'
}
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def mock_conf_settings(obj, settings={}):
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conf.initialize_settings(False)
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original_settings = conf.settings
conf.settings = conf.Config(conf.FIXED_SETTINGS, conf.ADJUSTABLE_SETTINGS)
conf.settings.installation_id = conf.settings.get_installation_id()
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conf.settings.node_id = conf.settings.get_node_id()
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conf.settings.update(settings)
def _reset_settings():
conf.settings = original_settings
obj.addCleanup(_reset_settings)