import binascii import logging.handlers import mimetypes import os import platform import random import re import socket import string import subprocess import sys import base58 import requests import simplejson as json from urllib2 import urlopen from appdirs import user_data_dir from datetime import datetime from decimal import Decimal from twisted.web import server from twisted.internet import defer, threads, error, reactor, task from twisted.internet.task import LoopingCall from txjsonrpc import jsonrpclib from txjsonrpc.web import jsonrpc from txjsonrpc.web.jsonrpc import Handler from lbrynet import __version__ as lbrynet_version from lbryum.version import LBRYUM_VERSION as lbryum_version from lbrynet import analytics from lbrynet.core.PaymentRateManager import PaymentRateManager from lbrynet.core.server.BlobAvailabilityHandler import BlobAvailabilityHandlerFactory from lbrynet.core.server.BlobRequestHandler import BlobRequestHandlerFactory from lbrynet.core.server.ServerProtocol import ServerProtocolFactory from lbrynet.core.Error import UnknownNameError, InsufficientFundsError, InvalidNameError from lbrynet.lbryfile.StreamDescriptor import LBRYFileStreamType from lbrynet.lbryfile.client.LBRYFileDownloader import LBRYFileSaverFactory, LBRYFileOpenerFactory from lbrynet.lbryfile.client.LBRYFileOptions import add_lbry_file_to_sd_identifier from lbrynet.lbrynet_daemon.LBRYUIManager import LBRYUIManager from lbrynet.lbrynet_daemon.LBRYDownloader import GetStream from lbrynet.lbrynet_daemon.LBRYPublisher import Publisher from lbrynet.lbrynet_daemon.LBRYExchangeRateManager import ExchangeRateManager from lbrynet.lbrynet_daemon.Lighthouse import LighthouseClient from lbrynet.core.LBRYMetadata import Metadata from lbrynet.core import log_support from lbrynet.core import utils from lbrynet.core.LBRYMetadata import verify_name_characters from lbrynet.core.utils import generate_id from lbrynet.lbrynet_console.LBRYSettings import LBRYSettings from lbrynet.conf import MIN_BLOB_DATA_PAYMENT_RATE, DEFAULT_MAX_SEARCH_RESULTS, \ KNOWN_DHT_NODES, DEFAULT_MAX_KEY_FEE, DEFAULT_WALLET, \ DEFAULT_SEARCH_TIMEOUT, DEFAULT_CACHE_TIME, DEFAULT_UI_BRANCH, \ LOG_POST_URL, LOG_FILE_NAME from lbrynet.conf import DEFAULT_SD_DOWNLOAD_TIMEOUT from lbrynet.conf import DEFAULT_TIMEOUT from lbrynet.core.StreamDescriptor import StreamDescriptorIdentifier, download_sd_blob, BlobStreamDescriptorReader from lbrynet.core.Session import LBRYSession from lbrynet.core.PTCWallet import PTCWallet from lbrynet.core.LBRYWallet import LBRYcrdWallet, LBRYumWallet from lbrynet.lbryfilemanager.LBRYFileManager import LBRYFileManager from lbrynet.lbryfile.LBRYFileMetadataManager import DBLBRYFileMetadataManager, TempLBRYFileMetadataManager # from lbryum import LOG_PATH as lbryum_log # TODO: this code snippet is everywhere. Make it go away if sys.platform != "darwin": log_dir = os.path.join(os.path.expanduser("~"), ".lbrynet") else: log_dir = user_data_dir("LBRY") if not os.path.isdir(log_dir): os.mkdir(log_dir) lbrynet_log = os.path.join(log_dir, LOG_FILE_NAME) log = logging.getLogger(__name__) if os.path.isfile(lbrynet_log): with open(lbrynet_log, 'r') as f: PREVIOUS_LBRYNET_LOG = len(f.read()) else: PREVIOUS_LBRYNET_LOG = 0 INITIALIZING_CODE = 'initializing' LOADING_DB_CODE = 'loading_db' LOADING_WALLET_CODE = 'loading_wallet' LOADING_FILE_MANAGER_CODE = 'loading_file_manager' LOADING_SERVER_CODE = 'loading_server' STARTED_CODE = 'started' WAITING_FOR_FIRST_RUN_CREDITS = 'waiting_for_credits' STARTUP_STAGES = [ (INITIALIZING_CODE, 'Initializing...'), (LOADING_DB_CODE, 'Loading databases...'), (LOADING_WALLET_CODE, 'Catching up with the blockchain... %s'), (LOADING_FILE_MANAGER_CODE, 'Setting up file manager'), (LOADING_SERVER_CODE, 'Starting lbrynet'), (STARTED_CODE, 'Started lbrynet'), (WAITING_FOR_FIRST_RUN_CREDITS, 'Waiting for first run credits...') ] DOWNLOAD_METADATA_CODE = 'downloading_metadata' DOWNLOAD_TIMEOUT_CODE = 'timeout' DOWNLOAD_RUNNING_CODE = 'running' DOWNLOAD_STOPPED_CODE = 'stopped' STREAM_STAGES = [ (INITIALIZING_CODE, 'Initializing...'), (DOWNLOAD_METADATA_CODE, 'Downloading metadata'), (DOWNLOAD_RUNNING_CODE, 'Started %s, got %s/%s blobs, stream status: %s'), (DOWNLOAD_STOPPED_CODE, 'Paused stream'), (DOWNLOAD_TIMEOUT_CODE, 'Stream timed out') ] CONNECT_CODE_VERSION_CHECK = 'version_check' CONNECT_CODE_NETWORK = 'network_connection' CONNECT_CODE_WALLET = 'wallet_catchup_lag' CONNECTION_PROBLEM_CODES = [ (CONNECT_CODE_VERSION_CHECK, "There was a problem checking for updates on github"), (CONNECT_CODE_NETWORK, "Your internet connection appears to have been interrupted"), (CONNECT_CODE_WALLET, "Synchronization with the blockchain is lagging... if this continues try restarting LBRY") ] ALLOWED_DURING_STARTUP = ['is_running', 'is_first_run', 'get_time_behind_blockchain', 'stop', 'daemon_status', 'get_start_notice', 'version'] BAD_REQUEST = 400 NOT_FOUND = 404 OK_CODE = 200 # TODO add login credentials in a conf file # TODO alert if your copy of a lbry file is out of date with the name record REMOTE_SERVER = "www.google.com" class Parameters(object): def __init__(self, **kwargs): self.__dict__.update(kwargs) class LBRYDaemon(jsonrpc.JSONRPC): """ LBRYnet daemon, a jsonrpc interface to lbry functions """ isLeaf = True def __init__(self, root, wallet_type=None): jsonrpc.JSONRPC.__init__(self) reactor.addSystemEventTrigger('before', 'shutdown', self._shutdown) self.startup_status = STARTUP_STAGES[0] self.startup_message = None self.announced_startup = False self.connected_to_internet = True self.connection_problem = None self.query_handlers = {} self.git_lbrynet_version = None self.git_lbryum_version = None self.ui_version = None self.ip = None # TODO: this is confusing to set here, and then to be reset below. self.wallet_type = wallet_type self.first_run = None self.log_file = lbrynet_log self.current_db_revision = 1 self.run_server = True self.session = None self.exchange_rate_manager = ExchangeRateManager() self.lighthouse_client = LighthouseClient() self.waiting_on = {} self.streams = {} self.pending_claims = {} self.known_dht_nodes = KNOWN_DHT_NODES self.first_run_after_update = False self.uploaded_temp_files = [] self._session_id = base58.b58encode(generate_id()) if os.name == "nt": from lbrynet.winhelpers.knownpaths import get_path, FOLDERID, UserHandle default_download_directory = get_path(FOLDERID.Downloads, UserHandle.current) self.db_dir = os.path.join(get_path(FOLDERID.RoamingAppData, UserHandle.current), "lbrynet") elif sys.platform == "darwin": default_download_directory = os.path.join(os.path.expanduser("~"), 'Downloads') self.db_dir = user_data_dir("LBRY") else: default_download_directory = os.path.join(os.path.expanduser("~"), 'Downloads') self.db_dir = os.path.join(os.path.expanduser("~"), ".lbrynet") try: if not os.path.isdir(default_download_directory): os.mkdir(default_download_directory) except: log.info("Couldn't make download directory, using home") default_download_directory = os.path.expanduser("~") self.daemon_conf = os.path.join(self.db_dir, 'daemon_settings.json') self.default_settings = { 'run_on_startup': False, 'data_rate': MIN_BLOB_DATA_PAYMENT_RATE, 'max_key_fee': DEFAULT_MAX_KEY_FEE, 'download_directory': default_download_directory, 'max_upload': 0.0, 'max_download': 0.0, 'upload_log': True, 'search_timeout': DEFAULT_SEARCH_TIMEOUT, 'download_timeout': DEFAULT_TIMEOUT, 'max_search_results': DEFAULT_MAX_SEARCH_RESULTS, 'wallet_type': DEFAULT_WALLET, 'delete_blobs_on_remove': True, 'peer_port': 3333, 'dht_node_port': 4444, 'use_upnp': True, 'start_lbrycrdd': True, 'requested_first_run_credits': False, 'cache_time': DEFAULT_CACHE_TIME, 'startup_scripts': [], 'last_version': {'lbrynet': lbrynet_version, 'lbryum': lbryum_version} } if os.path.isfile(self.daemon_conf): f = open(self.daemon_conf, "r") loaded_settings = json.loads(f.read()) f.close() missing_settings = {} removed_settings = {} for k in self.default_settings.keys(): if k not in loaded_settings.keys(): missing_settings[k] = self.default_settings[k] for k in loaded_settings.keys(): if not k in self.default_settings.keys(): log.info("Removing unused setting: " + k + " with value: " + str(loaded_settings[k])) removed_settings[k] = loaded_settings[k] del loaded_settings[k] for k in missing_settings.keys(): log.info("Adding missing setting: " + k + " with default value: " + str(missing_settings[k])) loaded_settings[k] = missing_settings[k] if loaded_settings['wallet_type'] != self.wallet_type and self.wallet_type: loaded_settings['wallet_type'] = self.wallet_type if missing_settings or removed_settings: log.info("Updated and loaded lbrynet-daemon configuration") else: log.info("Loaded lbrynet-daemon configuration") self.session_settings = loaded_settings else: missing_settings = self.default_settings log.info("Writing default settings : " + json.dumps(self.default_settings) + " --> " + str(self.daemon_conf)) self.session_settings = self.default_settings if 'last_version' in missing_settings.keys(): self.session_settings['last_version'] = None if self.session_settings['last_version'] != self.default_settings['last_version']: self.session_settings['last_version'] = self.default_settings['last_version'] self.first_run_after_update = True log.info("First run after update") log.info("lbrynet %s --> %s" % (self.session_settings['last_version']['lbrynet'], self.default_settings['last_version']['lbrynet'])) log.info("lbryum %s --> %s" % (self.session_settings['last_version']['lbryum'], self.default_settings['last_version']['lbryum'])) f = open(self.daemon_conf, "w") f.write(json.dumps(self.session_settings)) f.close() self.run_on_startup = self.session_settings['run_on_startup'] self.data_rate = self.session_settings['data_rate'] self.max_key_fee = self.session_settings['max_key_fee'] self.download_directory = self.session_settings['download_directory'] self.max_upload = self.session_settings['max_upload'] self.max_download = self.session_settings['max_download'] self.upload_log = self.session_settings['upload_log'] self.search_timeout = self.session_settings['search_timeout'] self.download_timeout = self.session_settings['download_timeout'] self.max_search_results = self.session_settings['max_search_results'] #### # # Ignore the saved wallet type. Some users will have their wallet type # saved as lbrycrd and we want wallets to be lbryum unless explicitly # set on the command line to be lbrycrd. # # if self.session_settings['wallet_type'] in WALLET_TYPES and not wallet_type: # self.wallet_type = self.session_settings['wallet_type'] # log.info("Using wallet type %s from config" % self.wallet_type) # else: # self.wallet_type = wallet_type # self.session_settings['wallet_type'] = wallet_type # log.info("Using wallet type %s specified from command line" % self.wallet_type) # # Instead, if wallet is not set on the command line, default to the default wallet # if wallet_type: log.info("Using wallet type %s specified from command line", wallet_type) self.wallet_type = wallet_type else: log.info("Using the default wallet type %s", DEFAULT_WALLET) self.wallet_type = DEFAULT_WALLET # #### self.delete_blobs_on_remove = self.session_settings['delete_blobs_on_remove'] self.peer_port = self.session_settings['peer_port'] self.dht_node_port = self.session_settings['dht_node_port'] self.use_upnp = self.session_settings['use_upnp'] self.start_lbrycrdd = self.session_settings['start_lbrycrdd'] self.requested_first_run_credits = self.session_settings['requested_first_run_credits'] self.cache_time = self.session_settings['cache_time'] self.startup_scripts = self.session_settings['startup_scripts'] if os.path.isfile(os.path.join(self.db_dir, "stream_info_cache.json")): f = open(os.path.join(self.db_dir, "stream_info_cache.json"), "r") self.name_cache = json.loads(f.read()) f.close() log.info("Loaded claim info cache") else: self.name_cache = {} if os.name == "nt": from lbrynet.winhelpers.knownpaths import get_path, FOLDERID, UserHandle self.lbrycrdd_path = "lbrycrdd.exe" if self.wallet_type == "lbrycrd": self.wallet_dir = os.path.join(get_path(FOLDERID.RoamingAppData, UserHandle.current), "lbrycrd") else: self.wallet_dir = os.path.join(get_path(FOLDERID.RoamingAppData, UserHandle.current), "lbryum") elif sys.platform == "darwin": self.lbrycrdd_path = get_darwin_lbrycrdd_path() if self.wallet_type == "lbrycrd": self.wallet_dir = user_data_dir("lbrycrd") else: self.wallet_dir = user_data_dir("LBRY") else: self.lbrycrdd_path = "lbrycrdd" if self.wallet_type == "lbrycrd": self.wallet_dir = os.path.join(os.path.expanduser("~"), ".lbrycrd") else: self.wallet_dir = os.path.join(os.path.expanduser("~"), ".lbryum") if os.name != 'nt': lbrycrdd_path_conf = os.path.join(os.path.expanduser("~"), ".lbrycrddpath.conf") if not os.path.isfile(lbrycrdd_path_conf): f = open(lbrycrdd_path_conf, "w") f.write(str(self.lbrycrdd_path)) f.close() self.created_data_dir = False if not os.path.exists(self.db_dir): os.mkdir(self.db_dir) self.created_data_dir = True self.blobfile_dir = os.path.join(self.db_dir, "blobfiles") self.lbrycrd_conf = os.path.join(self.wallet_dir, "lbrycrd.conf") self.autofetcher_conf = os.path.join(self.wallet_dir, "autofetcher.conf") self.wallet_conf = os.path.join(self.wallet_dir, "lbrycrd.conf") self.wallet_user = None self.wallet_password = None self.internet_connection_checker = LoopingCall(self._check_network_connection) self.version_checker = LoopingCall(self._check_remote_versions) self.connection_problem_checker = LoopingCall(self._check_connection_problems) self.pending_claim_checker = LoopingCall(self._check_pending_claims) self.send_heartbeat = LoopingCall(self._send_heartbeat) # self.lbrynet_connection_checker = LoopingCall(self._check_lbrynet_connection) self.sd_identifier = StreamDescriptorIdentifier() self.stream_info_manager = TempLBRYFileMetadataManager() self.settings = LBRYSettings(self.db_dir) self.lbry_ui_manager = LBRYUIManager(root) self.blob_request_payment_rate_manager = None self.lbry_file_metadata_manager = None self.lbry_file_manager = None if self.wallet_type == "lbrycrd": if os.path.isfile(self.lbrycrd_conf): log.info("Using lbrycrd.conf found at " + self.lbrycrd_conf) else: log.info("No lbrycrd.conf found at " + self.lbrycrd_conf + ". Generating now...") password = "".join(random.SystemRandom().choice(string.ascii_letters + string.digits + "_") for i in range(20)) with open(self.lbrycrd_conf, 'w') as f: f.write("rpcuser=rpcuser\n") f.write("rpcpassword=" + password) log.info("Done writing lbrycrd.conf") def _responseFailed(self, err, call): log.debug(err.getTraceback()) if call.active(): call.cancel() def render(self, request): request.content.seek(0, 0) # Unmarshal the JSON-RPC data. content = request.content.read() parsed = jsonrpclib.loads(content) functionPath = parsed.get("method") args = parsed.get('params') #TODO convert args to correct types if possible id = parsed.get('id') version = parsed.get('jsonrpc') if version: version = int(float(version)) elif id and not version: version = jsonrpclib.VERSION_1 else: version = jsonrpclib.VERSION_PRE1 # XXX this all needs to be re-worked to support logic for multiple # versions... if not self.announced_startup: if functionPath not in ALLOWED_DURING_STARTUP: return server.failure if self.wallet_type == "lbryum" and functionPath in ['set_miner', 'get_miner_status']: return server.failure try: function = self._getFunction(functionPath) except jsonrpclib.Fault, f: self._cbRender(f, request, id, version) else: request.setHeader("Access-Control-Allow-Origin", "*") request.setHeader("content-type", "text/json") if args == [{}]: d = defer.maybeDeferred(function) else: d = defer.maybeDeferred(function, *args) # cancel the response if the connection is broken notify_finish = request.notifyFinish() notify_finish.addErrback(self._responseFailed, d) d.addErrback(self._ebRender, id) d.addCallback(self._cbRender, request, id, version) d.addErrback(notify_finish.errback) return server.NOT_DONE_YET def _cbRender(self, result, request, id, version): def default_decimal(obj): if isinstance(obj, Decimal): return float(obj) if isinstance(result, Handler): result = result.result if isinstance(result, dict): result = result['result'] if version == jsonrpclib.VERSION_PRE1: if not isinstance(result, jsonrpclib.Fault): result = (result,) # Convert the result (python) to JSON-RPC try: s = jsonrpclib.dumps(result, version=version, default=default_decimal) except: f = jsonrpclib.Fault(self.FAILURE, "can't serialize output") s = jsonrpclib.dumps(f, version=version) request.setHeader("content-length", str(len(s))) request.write(s) request.finish() def _ebRender(self, failure, id): if isinstance(failure.value, jsonrpclib.Fault): return failure.value log.error(failure) return jsonrpclib.Fault(self.FAILURE, "error") def setup(self, branch=DEFAULT_UI_BRANCH, user_specified=False, branch_specified=False, host_ui=True): def _log_starting_vals(): log.info("Starting balance: " + str(self.session.wallet.wallet_balance)) return defer.succeed(None) def _announce_startup(): def _wait_for_credits(): if float(self.session.wallet.wallet_balance) == 0.0: self.startup_status = STARTUP_STAGES[6] return reactor.callLater(1, _wait_for_credits) else: return _announce() def _announce(): self.announced_startup = True self.startup_status = STARTUP_STAGES[5] log.info("Started lbrynet-daemon") if len(self.startup_scripts): log.info("Scheduling scripts") reactor.callLater(3, self._run_scripts) if self.first_run: d = self._upload_log(log_type="first_run") elif self.upload_log: d = self._upload_log(exclude_previous=True, log_type="start") else: d = defer.succeed(None) d.addCallback(lambda _: _announce()) return d log.info("Starting lbrynet-daemon") self.internet_connection_checker.start(3600) self.version_checker.start(3600 * 12) self.connection_problem_checker.start(1) self.exchange_rate_manager.start() if host_ui: self.lbry_ui_manager.update_checker.start(1800, now=False) d = defer.Deferred() if host_ui: d.addCallback(lambda _: self.lbry_ui_manager.setup(branch=branch, user_specified=user_specified, branch_specified=branch_specified)) d.addCallback(lambda _: self._initial_setup()) d.addCallback(lambda _: threads.deferToThread(self._setup_data_directory)) d.addCallback(lambda _: self._check_db_migration()) d.addCallback(lambda _: self._get_settings()) d.addCallback(lambda _: self._set_events()) d.addCallback(lambda _: self._get_session()) d.addCallback(lambda _: add_lbry_file_to_sd_identifier(self.sd_identifier)) d.addCallback(lambda _: self._setup_stream_identifier()) d.addCallback(lambda _: self._setup_lbry_file_manager()) d.addCallback(lambda _: self._setup_lbry_file_opener()) d.addCallback(lambda _: self._setup_query_handlers()) d.addCallback(lambda _: self._setup_server()) d.addCallback(lambda _: _log_starting_vals()) d.addCallback(lambda _: _announce_startup()) d.addCallback(lambda _: self._load_analytics_api()) # TODO: handle errors here d.callback(None) return defer.succeed(None) def _load_analytics_api(self): self.analytics_api = analytics.Api.load() self.send_heartbeat.start(60) def _send_heartbeat(self): log.debug('Sending heartbeat') heartbeat = self._events.heartbeat() self.analytics_api.track(heartbeat) def _get_platform(self): r = { "processor": platform.processor(), "python_version": platform.python_version(), "platform": platform.platform(), "os_release": platform.release(), "os_system": platform.system(), "lbrynet_version": lbrynet_version, "lbryum_version": lbryum_version, "ui_version": self.lbry_ui_manager.loaded_git_version, } if not self.ip: try: r['ip'] = json.load(urlopen('http://jsonip.com'))['ip'] self.ip = r['ip'] except: r['ip'] = "Could not determine" return r def _initial_setup(self): def _log_platform(): log.info("Platform: %s", json.dumps(self._get_platform())) return defer.succeed(None) d = _log_platform() return d def _set_events(self): context = analytics.make_context(self._get_platform(), self.wallet_type) self._events = analytics.Events(context, base58.b58encode(self.lbryid), self._session_id) def _check_network_connection(self): try: host = socket.gethostbyname(REMOTE_SERVER) s = socket.create_connection((host, 80), 2) self.connected_to_internet = True except: log.info("Internet connection not working") self.connected_to_internet = False def _check_lbrynet_connection(self): def _log_success(): log.info("lbrynet connectivity test passed") def _log_failure(): log.info("lbrynet connectivity test failed") wonderfullife_sh = "6f3af0fa3924be98a54766aa2715d22c6c1509c3f7fa32566df4899a41f3530a9f97b2ecb817fa1dcbf1b30553aefaa7" d = download_sd_blob(self.session, wonderfullife_sh, self.session.base_payment_rate_manager) d.addCallbacks(lambda _: _log_success, lambda _: _log_failure) def _check_remote_versions(self): def _get_lbryum_version(): try: r = urlopen("https://raw.githubusercontent.com/lbryio/lbryum/master/lib/version.py").read().split('\n') version = next(line.split("=")[1].split("#")[0].replace(" ", "") for line in r if "LBRYUM_VERSION" in line) version = version.replace("'", "") log.info( "remote lbryum %s > local lbryum %s = %s", version, lbryum_version, utils.version_is_greater_than(version, lbryum_version) ) self.git_lbryum_version = version return defer.succeed(None) except: log.info("Failed to get lbryum version from git") self.git_lbryum_version = None return defer.fail(None) def _get_lbrynet_version(): try: version = get_lbrynet_version_from_github() log.info( "remote lbrynet %s > local lbrynet %s = %s", version, lbrynet_version, utils.version_is_greater_than(version, lbrynet_version) ) self.git_lbrynet_version = version return defer.succeed(None) except: log.info("Failed to get lbrynet version from git") self.git_lbrynet_version = None return defer.fail(None) d = _get_lbrynet_version() d.addCallback(lambda _: _get_lbryum_version()) def _check_connection_problems(self): if not self.git_lbrynet_version or not self.git_lbryum_version: self.connection_problem = CONNECTION_PROBLEM_CODES[0] elif self.startup_status[0] == 'loading_wallet': if self.session.wallet.is_lagging: self.connection_problem = CONNECTION_PROBLEM_CODES[2] else: self.connection_problem = None if not self.connected_to_internet: self.connection_problem = CONNECTION_PROBLEM_CODES[1] def _add_to_pending_claims(self, name, txid): log.info("Adding lbry://%s to pending claims, txid %s" % (name, txid)) self.pending_claims[name] = txid return txid def _check_pending_claims(self): # TODO: this was blatantly copied from jsonrpc_start_lbry_file. Be DRY. def _start_file(f): d = self.lbry_file_manager.toggle_lbry_file_running(f) d.addCallback(lambda _: self.lighthouse_client.announce_sd(f.sd_hash)) return defer.succeed("Started LBRY file") def _get_and_start_file(name): d = defer.succeed(self.pending_claims.pop(name)) d.addCallback(lambda _: self._get_lbry_file("name", name, return_json=False)) d.addCallback(lambda l: _start_file(l) if l.stopped else "LBRY file was already running") def re_add_to_pending_claims(name): txid = self.pending_claims.pop(name) self._add_to_pending_claims(name, txid) def _process_lbry_file(name, lbry_file): # lbry_file is an instance of ManagedLBRYFileDownloader or None # TODO: check for sd_hash in addition to txid ready_to_start = ( lbry_file and self.pending_claims[name] == lbry_file.txid ) if ready_to_start: _get_and_start_file(name) else: re_add_to_pending_claims(name) for name in self.pending_claims: log.info("Checking if new claim for lbry://%s is confirmed" % name) d = self._resolve_name(name, force_refresh=True) d.addCallback(lambda _: self._get_lbry_file_by_uri(name)) d.addCallbacks( lambda lbry_file: _process_lbry_file(name, lbry_file), lambda _: re_add_to_pending_claims(name) ) def _start_server(self): if self.peer_port is not None: server_factory = ServerProtocolFactory(self.session.rate_limiter, self.query_handlers, self.session.peer_manager) try: self.lbry_server_port = reactor.listenTCP(self.peer_port, server_factory) except error.CannotListenError as e: import traceback log.error("Couldn't bind to port %d. %s", self.peer_port, traceback.format_exc()) raise ValueError("%s lbrynet may already be running on your computer.", str(e)) return defer.succeed(True) def _stop_server(self): try: if self.lbry_server_port is not None: self.lbry_server_port, p = None, self.lbry_server_port return defer.maybeDeferred(p.stopListening) else: return defer.succeed(True) except AttributeError: return defer.succeed(True) def _setup_server(self): def restore_running_status(running): if running is True: return self._start_server() return defer.succeed(True) self.startup_status = STARTUP_STAGES[4] dl = self.settings.get_server_running_status() dl.addCallback(restore_running_status) return dl def _setup_query_handlers(self): handlers = [ # CryptBlobInfoQueryHandlerFactory(self.lbry_file_metadata_manager, self.session.wallet, # self._server_payment_rate_manager), BlobAvailabilityHandlerFactory(self.session.blob_manager), # BlobRequestHandlerFactory(self.session.blob_manager, self.session.wallet, # self._server_payment_rate_manager), self.session.wallet.get_wallet_info_query_handler_factory(), ] def get_blob_request_handler_factory(rate): self.blob_request_payment_rate_manager = PaymentRateManager( self.session.base_payment_rate_manager, rate ) handlers.append(BlobRequestHandlerFactory(self.session.blob_manager, self.session.wallet, self.blob_request_payment_rate_manager)) d1 = self.settings.get_server_data_payment_rate() d1.addCallback(get_blob_request_handler_factory) dl = defer.DeferredList([d1]) dl.addCallback(lambda _: self._add_query_handlers(handlers)) return dl def _add_query_handlers(self, query_handlers): def _set_query_handlers(statuses): from future_builtins import zip for handler, (success, status) in zip(query_handlers, statuses): if success is True: self.query_handlers[handler] = status ds = [] for handler in query_handlers: ds.append(self.settings.get_query_handler_status(handler.get_primary_query_identifier())) dl = defer.DeferredList(ds) dl.addCallback(_set_query_handlers) return dl def _upload_log(self, log_type=None, exclude_previous=False, force=False): if self.upload_log or force: for lm, lp in [('lbrynet', lbrynet_log)]: #, ('lbryum', lbryum_log)]: if os.path.isfile(lp): if exclude_previous: f = open(lp, "r") f.seek(PREVIOUS_LBRYNET_LOG) # if lm == 'lbrynet' else PREVIOUS_LBRYUM_LOG) log_contents = f.read() f.close() else: f = open(lp, "r") log_contents = f.read() f.close() params = { 'date': datetime.utcnow().strftime('%Y%m%d-%H%M%S'), 'hash': base58.b58encode(self.lbryid)[:20], 'sys': platform.system(), 'type': "%s-%s" % (lm, log_type) if log_type else lm, 'log': log_contents } requests.post(LOG_POST_URL, params) return defer.succeed(None) else: return defer.succeed(None) def _clean_up_temp_files(self): for path in self.uploaded_temp_files: try: os.remove(path) except OSError: pass def _shutdown(self): log.info("Closing lbrynet session") log.info("Status at time of shutdown: " + self.startup_status[0]) if self.internet_connection_checker.running: self.internet_connection_checker.stop() if self.version_checker.running: self.version_checker.stop() if self.connection_problem_checker.running: self.connection_problem_checker.stop() if self.lbry_ui_manager.update_checker.running: self.lbry_ui_manager.update_checker.stop() if self.pending_claim_checker.running: self.pending_claim_checker.stop() if self.send_heartbeat.running: self.send_heartbeat.stop() self._clean_up_temp_files() d = self._upload_log(log_type="close", exclude_previous=False if self.first_run else True) d.addCallback(lambda _: self._stop_server()) d.addErrback(lambda err: True) d.addCallback(lambda _: self.lbry_file_manager.stop()) d.addErrback(lambda err: True) if self.session is not None: d.addCallback(lambda _: self.session.shut_down()) d.addErrback(lambda err: True) return d def _update_settings(self, settings): for k in settings.keys(): if k == 'run_on_startup': if type(settings['run_on_startup']) is bool: self.session_settings['run_on_startup'] = settings['run_on_startup'] else: return defer.fail() elif k == 'data_rate': if type(settings['data_rate']) is float: self.session_settings['data_rate'] = settings['data_rate'] elif type(settings['data_rate']) is int: self.session_settings['data_rate'] = float(settings['data_rate']) else: return defer.fail() elif k == 'max_key_fee': if type(settings['max_key_fee']) is float: self.session_settings['max_key_fee'] = settings['max_key_fee'] elif type(settings['max_key_fee']) is int: self.session_settings['max_key_fee'] = float(settings['max_key_fee']) else: return defer.fail() elif k == 'download_directory': if type(settings['download_directory']) is unicode: if os.path.isdir(settings['download_directory']): self.session_settings['download_directory'] = settings['download_directory'] else: pass else: return defer.fail() elif k == 'max_upload': if type(settings['max_upload']) is float: self.session_settings['max_upload'] = settings['max_upload'] elif type(settings['max_upload']) is int: self.session_settings['max_upload'] = float(settings['max_upload']) else: return defer.fail() elif k == 'max_download': if type(settings['max_download']) is float: self.session_settings['max_download'] = settings['max_download'] if type(settings['max_download']) is int: self.session_settings['max_download'] = float(settings['max_download']) else: return defer.fail() elif k == 'upload_log': if type(settings['upload_log']) is bool: self.session_settings['upload_log'] = settings['upload_log'] else: return defer.fail() elif k == 'download_timeout': if type(settings['download_timeout']) is int: self.session_settings['download_timeout'] = settings['download_timeout'] elif type(settings['download_timeout']) is float: self.session_settings['download_timeout'] = int(settings['download_timeout']) else: return defer.fail() elif k == 'search_timeout': if type(settings['search_timeout']) is float: self.session_settings['search_timeout'] = settings['search_timeout'] elif type(settings['search_timeout']) is int: self.session_settings['search_timeout'] = float(settings['search_timeout']) else: return defer.fail() elif k == 'cache_time': if type(settings['cache_time']) is int: self.session_settings['cache_time'] = settings['cache_time'] elif type(settings['cache_time']) is float: self.session_settings['cache_time'] = int(settings['cache_time']) else: return defer.fail() self.run_on_startup = self.session_settings['run_on_startup'] self.data_rate = self.session_settings['data_rate'] self.max_key_fee = self.session_settings['max_key_fee'] self.download_directory = self.session_settings['download_directory'] self.max_upload = self.session_settings['max_upload'] self.max_download = self.session_settings['max_download'] self.upload_log = self.session_settings['upload_log'] self.download_timeout = self.session_settings['download_timeout'] self.search_timeout = self.session_settings['search_timeout'] self.cache_time = self.session_settings['cache_time'] f = open(self.daemon_conf, "w") f.write(json.dumps(self.session_settings)) f.close() return defer.succeed(True) def _setup_data_directory(self): self.startup_status = STARTUP_STAGES[1] log.info("Loading databases...") if self.created_data_dir: db_revision = open(os.path.join(self.db_dir, "db_revision"), mode='w') db_revision.write(str(self.current_db_revision)) db_revision.close() log.debug("Created the db revision file: %s", str(os.path.join(self.db_dir, "db_revision"))) if not os.path.exists(self.blobfile_dir): os.mkdir(self.blobfile_dir) log.debug("Created the blobfile directory: %s", str(self.blobfile_dir)) def _check_db_migration(self): old_revision = 0 db_revision_file = os.path.join(self.db_dir, "db_revision") if os.path.exists(db_revision_file): old_revision = int(open(db_revision_file).read().strip()) if old_revision < self.current_db_revision: from lbrynet.db_migrator import dbmigrator log.info("Upgrading your databases...") d = threads.deferToThread(dbmigrator.migrate_db, self.db_dir, old_revision, self.current_db_revision) def print_success(old_dirs): success_string = "Finished upgrading the databases. It is now safe to delete the" success_string += " following directories, if you feel like it. It won't make any" success_string += " difference.\nAnyway here they are: " for i, old_dir in enumerate(old_dirs): success_string += old_dir if i + 1 < len(old_dir): success_string += ", " log.info(success_string) d.addCallback(print_success) return d return defer.succeed(True) def _get_settings(self): d = self.settings.start() d.addCallback(lambda _: self.settings.get_lbryid()) d.addCallback(self._set_lbryid) d.addCallback(lambda _: self._modify_loggly_formatter()) return d def _set_lbryid(self, lbryid): if lbryid is None: return self._make_lbryid() else: log.info("LBRY ID: " + base58.b58encode(lbryid)) self.lbryid = lbryid def _make_lbryid(self): self.lbryid = generate_id() log.info("Generated new LBRY ID: " + base58.b58encode(self.lbryid)) d = self.settings.save_lbryid(self.lbryid) return d def _modify_loggly_formatter(self): log_support.configure_loggly_handler( lbry_id=base58.b58encode(self.lbryid), session_id=self._session_id ) def _setup_lbry_file_manager(self): self.startup_status = STARTUP_STAGES[3] self.lbry_file_metadata_manager = DBLBRYFileMetadataManager(self.db_dir) d = self.lbry_file_metadata_manager.setup() def set_lbry_file_manager(): self.lbry_file_manager = LBRYFileManager(self.session, self.lbry_file_metadata_manager, self.sd_identifier, download_directory=self.download_directory) return self.lbry_file_manager.setup() d.addCallback(lambda _: set_lbry_file_manager()) return d def _get_session(self): def get_default_data_rate(): d = self.settings.get_default_data_payment_rate() d.addCallback(lambda rate: {"default_data_payment_rate": rate if rate is not None else MIN_BLOB_DATA_PAYMENT_RATE}) return d def get_wallet(): if self.wallet_type == "lbrycrd": log.info("Using lbrycrd wallet") d = defer.succeed(LBRYcrdWallet(self.db_dir, wallet_dir=self.wallet_dir, wallet_conf=self.lbrycrd_conf, lbrycrdd_path=self.lbrycrdd_path)) elif self.wallet_type == "lbryum": log.info("Using lbryum wallet") d = defer.succeed(LBRYumWallet(self.db_dir)) elif self.wallet_type == "ptc": log.info("Using PTC wallet") d = defer.succeed(PTCWallet(self.db_dir)) else: # TODO: should fail here. Can't switch to lbrycrd because the wallet_dir, conf and path won't be set log.info("Requested unknown wallet '%s', using default lbryum", self.wallet_type) d = defer.succeed(LBRYumWallet(self.db_dir)) d.addCallback(lambda wallet: {"wallet": wallet}) return d d1 = get_default_data_rate() d2 = get_wallet() def combine_results(results): r = {} for success, result in results: if success is True: r.update(result) return r def create_session(results): self.session = LBRYSession(results['default_data_payment_rate'], db_dir=self.db_dir, lbryid=self.lbryid, blob_dir=self.blobfile_dir, dht_node_port=self.dht_node_port, known_dht_nodes=self.known_dht_nodes, peer_port=self.peer_port, use_upnp=self.use_upnp, wallet=results['wallet']) self.startup_status = STARTUP_STAGES[2] dl = defer.DeferredList([d1, d2], fireOnOneErrback=True) dl.addCallback(combine_results) dl.addCallback(create_session) dl.addCallback(lambda _: self.session.setup()) return dl def _setup_stream_identifier(self): file_saver_factory = LBRYFileSaverFactory(self.session.peer_finder, self.session.rate_limiter, self.session.blob_manager, self.stream_info_manager, self.session.wallet, self.download_directory) self.sd_identifier.add_stream_downloader_factory(LBRYFileStreamType, file_saver_factory) file_opener_factory = LBRYFileOpenerFactory(self.session.peer_finder, self.session.rate_limiter, self.session.blob_manager, self.stream_info_manager, self.session.wallet) self.sd_identifier.add_stream_downloader_factory(LBRYFileStreamType, file_opener_factory) return defer.succeed(None) def _setup_lbry_file_opener(self): downloader_factory = LBRYFileOpenerFactory(self.session.peer_finder, self.session.rate_limiter, self.session.blob_manager, self.stream_info_manager, self.session.wallet) self.sd_identifier.add_stream_downloader_factory(LBRYFileStreamType, downloader_factory) return defer.succeed(True) def _download_sd_blob(self, sd_hash, timeout=DEFAULT_SD_DOWNLOAD_TIMEOUT): def cb(result): if not r.called: r.callback(result) def eb(): if not r.called: r.errback(Exception("sd timeout")) r = defer.Deferred(None) reactor.callLater(timeout, eb) d = download_sd_blob(self.session, sd_hash, PaymentRateManager(self.session.base_payment_rate_manager)) d.addCallback(BlobStreamDescriptorReader) d.addCallback(lambda blob: blob.get_info()) d.addCallback(cb) return r def _download_name(self, name, timeout=DEFAULT_TIMEOUT, download_directory=None, file_name=None, stream_info=None, wait_for_write=True): """ Add a lbry file to the file manager, start the download, and return the new lbry file. If it already exists in the file manager, return the existing lbry file """ helper = _DownloadNameHelper( self, name, timeout, download_directory, file_name, wait_for_write) if not stream_info: self.waiting_on[name] = True d = self._resolve_name(name) else: d = defer.succeed(stream_info) d.addCallback(helper._setup_stream) d.addCallback(helper.wait_or_get_stream) if not stream_info: d.addCallback(helper._remove_from_wait) return d def add_stream(self, name, timeout, download_directory, file_name, stream_info): """Makes, adds and starts a stream""" self.streams[name] = GetStream(self.sd_identifier, self.session, self.session.wallet, self.lbry_file_manager, self.exchange_rate_manager, max_key_fee=self.max_key_fee, data_rate=self.data_rate, timeout=timeout, download_directory=download_directory, file_name=file_name) d = self.streams[name].start(stream_info, name) return d def _get_long_count_timestamp(self): return int((datetime.utcnow() - (datetime(year=2012, month=12, day=21))).total_seconds()) def _update_claim_cache(self): f = open(os.path.join(self.db_dir, "stream_info_cache.json"), "w") f.write(json.dumps(self.name_cache)) f.close() return defer.succeed(True) def _resolve_name(self, name, force_refresh=False): """Resolves a name. Checks the cache first before going out to the blockchain. Args: name: the lbry:// to resolve force_refresh: if True, always go out to the blockchain to resolve. """ if name.startswith('lbry://'): raise ValueError('name %s should not start with lbry://') helper = _ResolveNameHelper(self, name, force_refresh) return helper.get_deferred() def _delete_lbry_file(self, lbry_file, delete_file=True): d = self.lbry_file_manager.delete_lbry_file(lbry_file) def finish_deletion(lbry_file): d = lbry_file.delete_data() d.addCallback(lambda _: _delete_stream_data(lbry_file)) return d def _delete_stream_data(lbry_file): s_h = lbry_file.stream_hash d = self.lbry_file_manager.get_count_for_stream_hash(s_h) # TODO: could possibly be a timing issue here d.addCallback(lambda c: self.stream_info_manager.delete_stream(s_h) if c == 0 else True) if delete_file: d.addCallback(lambda _: os.remove(os.path.join(self.download_directory, lbry_file.file_name)) if os.path.isfile(os.path.join(self.download_directory, lbry_file.file_name)) else defer.succeed(None)) return d d.addCallback(lambda _: finish_deletion(lbry_file)) d.addCallback(lambda _: log.info("Delete lbry file")) return d def _get_est_cost(self, name): def _check_est(d, name): try: if isinstance(d.result, float): log.info("Cost est for lbry://" + name + ": " + str(d.result) + "LBC") return defer.succeed(None) except AttributeError: pass log.info("Timeout estimating cost for lbry://" + name + ", using key fee") d.cancel() return defer.succeed(None) def _add_key_fee(data_cost): d = self._resolve_name(name) d.addCallback(lambda info: self.exchange_rate_manager.to_lbc(info.get('fee', None))) d.addCallback(lambda fee: data_cost if fee is None else data_cost + fee.amount) return d d = self._resolve_name(name) d.addCallback(lambda info: info['sources']['lbry_sd_hash']) d.addCallback(lambda sd_hash: download_sd_blob(self.session, sd_hash, self.blob_request_payment_rate_manager)) d.addCallback(self.sd_identifier.get_metadata_for_sd_blob) d.addCallback(lambda metadata: metadata.validator.info_to_show()) d.addCallback(lambda info: int(dict(info)['stream_size']) / 1000000 * self.data_rate) d.addCallbacks(_add_key_fee, lambda _: _add_key_fee(0.0)) reactor.callLater(self.search_timeout, _check_est, d, name) return d def _get_lbry_file_by_uri(self, name): def _get_file(stream_info): sd = stream_info['sources']['lbry_sd_hash'] for l in self.lbry_file_manager.lbry_files: if l.sd_hash == sd: return defer.succeed(l) return defer.succeed(None) d = self._resolve_name(name) d.addCallback(_get_file) return d def _get_lbry_file_by_sd_hash(self, sd_hash): for l in self.lbry_file_manager.lbry_files: if l.sd_hash == sd_hash: return defer.succeed(l) return defer.succeed(None) def _get_lbry_file_by_file_name(self, file_name): for l in self.lbry_file_manager.lbry_files: if l.file_name == file_name: return defer.succeed(l) return defer.succeed(None) def _get_lbry_file(self, search_by, val, return_json=True): def _log_get_lbry_file(f): if f and val: log.info("Found LBRY file for " + search_by + ": " + val) elif val: log.info("Did not find LBRY file for " + search_by + ": " + val) return f def _get_json_for_return(f): def _get_file_status(file_status): message = STREAM_STAGES[2][1] % (file_status.name, file_status.num_completed, file_status.num_known, file_status.running_status) return defer.succeed(message) def _generate_reply(size): if f.key: key = binascii.b2a_hex(f.key) else: key = None if os.path.isfile(os.path.join(self.download_directory, f.file_name)): written_file = file(os.path.join(self.download_directory, f.file_name)) written_file.seek(0, os.SEEK_END) written_bytes = written_file.tell() written_file.close() else: written_bytes = False if search_by == "name": if val in self.streams.keys(): status = self.streams[val].code elif f in self.lbry_file_manager.lbry_files: # if f.stopped: # status = STREAM_STAGES[3] # else: status = STREAM_STAGES[2] else: status = [False, False] else: status = [False, False] if status[0] == DOWNLOAD_RUNNING_CODE: d = f.status() d.addCallback(_get_file_status) d.addCallback(lambda message: {'completed': f.completed, 'file_name': f.file_name, 'download_directory': f.download_directory, 'download_path': os.path.join(f.download_directory, f.file_name), 'mime_type': mimetypes.guess_type(os.path.join(f.download_directory, f.file_name))[0], 'key': key, 'points_paid': f.points_paid, 'stopped': f.stopped, 'stream_hash': f.stream_hash, 'stream_name': f.stream_name, 'suggested_file_name': f.suggested_file_name, 'upload_allowed': f.upload_allowed, 'sd_hash': f.sd_hash, 'lbry_uri': f.uri, 'txid': f.txid, 'claim_id': f.claim_id, 'total_bytes': size, 'written_bytes': written_bytes, 'code': status[0], 'message': message}) else: d = defer.succeed({'completed': f.completed, 'file_name': f.file_name, 'key': key, 'download_directory': f.download_directory, 'download_path': os.path.join(f.download_directory, f.file_name), 'mime_type': mimetypes.guess_type(os.path.join(f.download_directory, f.file_name))[0], 'points_paid': f.points_paid, 'stopped': f.stopped, 'stream_hash': f.stream_hash, 'stream_name': f.stream_name, 'suggested_file_name': f.suggested_file_name, 'upload_allowed': f.upload_allowed, 'sd_hash': f.sd_hash, 'total_bytes': size, 'written_bytes': written_bytes, 'lbry_uri': f.uri, 'txid': f.txid, 'claim_id': f.claim_id, 'code': status[0], 'message': status[1]}) return d def _add_metadata(message): def _add_to_dict(metadata): message['metadata'] = metadata return defer.succeed(message) if f.txid: d = self._resolve_name(f.uri) d.addCallbacks(_add_to_dict, lambda _: _add_to_dict("Pending confirmation")) else: d = defer.succeed(message) return d if f: d = f.get_total_bytes() d.addCallback(_generate_reply) d.addCallback(_add_metadata) return d else: return False if search_by == "name": d = self._get_lbry_file_by_uri(val) elif search_by == "sd_hash": d = self._get_lbry_file_by_sd_hash(val) elif search_by == "file_name": d = self._get_lbry_file_by_file_name(val) # d.addCallback(_log_get_lbry_file) if return_json: d.addCallback(_get_json_for_return) return d def _get_lbry_files(self): d = defer.DeferredList([self._get_lbry_file('sd_hash', l.sd_hash) for l in self.lbry_file_manager.lbry_files]) return d def _log_to_slack(self, msg): URL = "https://hooks.slack.com/services/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" msg = platform.platform() + ": " + base58.b58encode(self.lbryid)[:20] + ", " + msg requests.post(URL, json.dumps({"text": msg})) return defer.succeed(None) def _run_scripts(self): if len([k for k in self.startup_scripts if 'run_once' in k.keys()]): log.info("Removing one time startup scripts") remaining_scripts = [s for s in self.startup_scripts if 'run_once' not in s.keys()] startup_scripts = self.startup_scripts self.startup_scripts = self.session_settings['startup_scripts'] = remaining_scripts f = open(self.daemon_conf, "w") f.write(json.dumps(self.session_settings)) f.close() for script in startup_scripts: if script['script_name'] == 'migrateto025': log.info("Running migrator to 0.2.5") from lbrynet.lbrynet_daemon.daemon_scripts.migrateto025 import run as run_migrate run_migrate(self) if script['script_name'] == 'Autofetcher': log.info("Starting autofetcher script") from lbrynet.lbrynet_daemon.daemon_scripts.Autofetcher import run as run_autofetcher run_autofetcher(self) return defer.succeed(None) def _search(self, search): return self.lighthouse_client.search(search) def _render_response(self, result, code): return defer.succeed({'result': result, 'code': code}) def jsonrpc_is_running(self): """ Check if lbrynet daemon is running Args: None Returns: true if daemon completed startup, otherwise false """ log.info("is_running: " + str(self.announced_startup)) if self.announced_startup: return self._render_response(True, OK_CODE) else: return self._render_response(False, OK_CODE) def jsonrpc_daemon_status(self): """ Get lbrynet daemon status information Args: None Returns: 'message': startup status message 'code': status_code 'progress': progress, only used in loading_wallet 'is_lagging': flag set to indicate lag, if set message will contain relevant message """ r = {'code': self.startup_status[0], 'message': self.startup_status[1], 'progress': None, 'is_lagging': None, 'problem_code': None} if self.connection_problem: r['problem_code'] = self.connection_problem[0] r['message'] = self.connection_problem[1] r['is_lagging'] = True elif self.startup_status[0] == LOADING_WALLET_CODE: if self.wallet_type == 'lbryum': if self.session.wallet.blocks_behind_alert != 0: r['message'] = r['message'] % (str(self.session.wallet.blocks_behind_alert) + " blocks behind") r['progress'] = self.session.wallet.catchup_progress else: r['message'] = "Catching up with the blockchain" r['progress'] = 0 else: r['message'] = "Catching up with the blockchain" r['progress'] = 0 log.info("daemon status: " + str(r)) return self._render_response(r, OK_CODE) def jsonrpc_is_first_run(self): """ Check if this is the first time lbrynet daemon has been run Args: None Returns: True if first run, otherwise False """ log.info("Check if is first run") try: d = self.session.wallet.is_first_run() except: d = defer.fail(None) d.addCallbacks(lambda r: self._render_response(r, OK_CODE), lambda _: self._render_response(None, OK_CODE)) return d def jsonrpc_get_start_notice(self): """ Get special message to be displayed at startup Args: None Returns: Startup message, such as first run notification """ log.info("Get startup notice") if self.first_run and not self.session.wallet.wallet_balance: return self._render_response(self.startup_message, OK_CODE) elif self.first_run: return self._render_response(None, OK_CODE) else: self._render_response(self.startup_message, OK_CODE) def jsonrpc_version(self): """ Get lbry version information Args: None Returns: "platform": platform string "os_release": os release string "os_system": os name "lbrynet_version: ": lbrynet_version, "lbryum_version: ": lbryum_version, "ui_version": commit hash of ui version being used "remote_lbrynet": most recent lbrynet version available from github "remote_lbryum": most recent lbryum version available from github """ platform_info = self._get_platform() msg = { 'platform': platform_info['platform'], 'os_release': platform_info['os_release'], 'os_system': platform_info['os_system'], 'lbrynet_version': lbrynet_version, 'lbryum_version': lbryum_version, 'ui_version': self.ui_version, 'remote_lbrynet': self.git_lbrynet_version, 'remote_lbryum': self.git_lbryum_version, 'lbrynet_update_available': utils.version_is_greater_than(self.git_lbrynet_version, lbrynet_version), 'lbryum_update_available': utils.version_is_greater_than(self.git_lbryum_version, lbryum_version), } log.info("Get version info: " + json.dumps(msg)) return self._render_response(msg, OK_CODE) def jsonrpc_get_settings(self): """ Get lbrynet daemon settings Args: None Returns: 'run_on_startup': bool, 'data_rate': float, 'max_key_fee': float, 'download_directory': string, 'max_upload': float, 0.0 for unlimited 'max_download': float, 0.0 for unlimited 'upload_log': bool, 'search_timeout': float, 'download_timeout': int 'max_search_results': int, 'wallet_type': string, 'delete_blobs_on_remove': bool, 'peer_port': int, 'dht_node_port': int, 'use_upnp': bool, 'start_lbrycrdd': bool, """ log.info("Get daemon settings") return self._render_response(self.session_settings, OK_CODE) def jsonrpc_set_settings(self, p): """ Set lbrynet daemon settings Args: 'run_on_startup': bool, 'data_rate': float, 'max_key_fee': float, 'download_directory': string, 'max_upload': float, 0.0 for unlimited 'max_download': float, 0.0 for unlimited 'upload_log': bool, 'download_timeout': int Returns: settings dict """ def _log_settings_change(): log.info("Set daemon settings to " + json.dumps(self.session_settings)) d = self._update_settings(p) d.addErrback(lambda err: log.info(err.getTraceback())) d.addCallback(lambda _: _log_settings_change()) d.addCallback(lambda _: self._render_response(self.session_settings, OK_CODE)) return d def jsonrpc_help(self, p=None): """ Function to retrieve docstring for API function Args: optional 'function': function to retrieve documentation for optional 'callable_during_startup': Returns: if given a function, returns given documentation if given callable_during_startup flag, returns list of functions callable during the startup sequence if no params are given, returns the list of callable functions """ if not p: return self._render_response(self._listFunctions(), OK_CODE) elif 'callable_during_start' in p.keys(): return self._render_response(ALLOWED_DURING_STARTUP, OK_CODE) elif 'function' in p.keys(): func_path = p['function'] function = self._getFunction(func_path) return self._render_response(function.__doc__, OK_CODE) else: return self._render_response(self.jsonrpc_help.__doc__, OK_CODE) def jsonrpc_get_balance(self): """ Get balance Args: None Returns: balance, float """ log.info("Get balance") return self._render_response(float(self.session.wallet.wallet_balance), OK_CODE) def jsonrpc_stop(self): """ Stop lbrynet-daemon Args: None Returns: shutdown message """ def _disp_shutdown(): log.info("Shutting down lbrynet daemon") d = self._shutdown() d.addCallback(lambda _: _disp_shutdown()) d.addCallback(lambda _: reactor.callLater(0.0, reactor.stop)) return self._render_response("Shutting down", OK_CODE) def jsonrpc_get_lbry_files(self): """ Get LBRY files Args: None Returns: List of lbry files: 'completed': bool 'file_name': string 'key': hex string 'points_paid': float 'stopped': bool 'stream_hash': base 58 string 'stream_name': string 'suggested_file_name': string 'upload_allowed': bool 'sd_hash': string """ d = self._get_lbry_files() d.addCallback(lambda r: [d[1] for d in r]) d.addCallback(lambda r: self._render_response(r, OK_CODE) if len(r) else self._render_response(False, OK_CODE)) return d def jsonrpc_get_lbry_file(self, p): """ Get lbry file Args: 'name': get file by lbry uri, 'sd_hash': get file by the hash in the name claim, 'file_name': get file by its name in the downloads folder, Returns: 'completed': bool 'file_name': string 'key': hex string 'points_paid': float 'stopped': bool 'stream_hash': base 58 string 'stream_name': string 'suggested_file_name': string 'upload_allowed': bool 'sd_hash': string """ if p.keys()[0] in ['name', 'sd_hash', 'file_name']: search_type = p.keys()[0] d = self._get_lbry_file(search_type, p[search_type]) else: d = defer.fail() d.addCallback(lambda r: self._render_response(r, OK_CODE)) return d def jsonrpc_resolve_name(self, p): """ Resolve stream info from a LBRY uri Args: 'name': name to look up, string, do not include lbry:// prefix Returns: metadata from name claim """ force = p.get('force', False) if 'name' in p: name = p['name'] else: return self._render_response(None, BAD_REQUEST) d = self._resolve_name(name, force_refresh=force) d.addCallbacks(lambda info: self._render_response(info, OK_CODE), lambda _: server.failure) return d def jsonrpc_get_claim_info(self, p): """ Resolve claim info from a LBRY uri Args: 'name': name to look up, string, do not include lbry:// prefix Returns: txid, amount, value, n, height """ def _convert_amount_to_float(r): if not r: return False else: r['amount'] = float(r['amount']) / 10**8 return r name = p['name'] txid = p.get('txid', None) d = self.session.wallet.get_claim_info(name, txid) d.addCallback(_convert_amount_to_float) d.addCallback(lambda r: self._render_response(r, OK_CODE)) return d def _process_get_parameters(self, p): """Extract info from input parameters and fill in default values for `get` call.""" # TODO: this process can be abstracted s.t. each method # can spec what parameters it expects and how to set default values timeout = p.get('timeout', self.download_timeout) download_directory = p.get('download_directory', self.download_directory) file_name = p.get('file_name') stream_info = p.get('stream_info') sd_hash = get_sd_hash(stream_info) wait_for_write = p.get('wait_for_write', True) name = p.get('name') return Parameters( timeout=timeout, download_directory=download_directory, file_name=file_name, stream_info=stream_info, sd_hash=sd_hash, wait_for_write=wait_for_write, name=name ) def jsonrpc_get(self, p): """Download stream from a LBRY uri. Args: 'name': name to download, string 'download_directory': optional, path to directory where file will be saved, string 'file_name': optional, a user specified name for the downloaded file 'stream_info': optional, specified stream info overrides name 'timeout': optional 'wait_for_write': optional, defaults to True Returns: 'stream_hash': hex string 'path': path of download """ params = self._process_get_parameters(p) if not params.name: return server.failure if params.name in self.waiting_on: return server.failure d = self._download_name(name=params.name, timeout=params.timeout, download_directory=params.download_directory, stream_info=params.stream_info, file_name=params.file_name, wait_for_write=params.wait_for_write) d.addCallback(get_output_callback(params)) d.addCallback(lambda message: self._render_response(message, OK_CODE)) return d def jsonrpc_stop_lbry_file(self, p): """ Stop lbry file Args: 'name': stop file by lbry uri, 'sd_hash': stop file by the hash in the name claim, 'file_name': stop file by its name in the downloads folder, Returns: confirmation message """ def _stop_file(f): d = self.lbry_file_manager.toggle_lbry_file_running(f) d.addCallback(lambda _: "Stopped LBRY file") return d if p.keys()[0] in ['name', 'sd_hash', 'file_name']: search_type = p.keys()[0] d = self._get_lbry_file(search_type, p[search_type], return_json=False) d.addCallback(lambda l: _stop_file(l) if not l.stopped else "LBRY file wasn't running") d.addCallback(lambda r: self._render_response(r, OK_CODE)) return d def jsonrpc_start_lbry_file(self, p): """ Stop lbry file Args: 'name': stop file by lbry uri, 'sd_hash': stop file by the hash in the name claim, 'file_name': stop file by its name in the downloads folder, Returns: confirmation message """ def _start_file(f): d = self.lbry_file_manager.toggle_lbry_file_running(f) return defer.succeed("Started LBRY file") if p.keys()[0] in ['name', 'sd_hash', 'file_name']: search_type = p.keys()[0] d = self._get_lbry_file(search_type, p[search_type], return_json=False) d.addCallback(lambda l: _start_file(l) if l.stopped else "LBRY file was already running") d.addCallback(lambda r: self._render_response(r, OK_CODE)) return d def jsonrpc_get_est_cost(self, p): """ Get estimated cost for a lbry uri Args: 'name': lbry uri Returns: estimated cost """ name = p['name'] force = p.get('force', False) if force: d = self._get_est_cost(name) else: d = self._search(name) d.addCallback(lambda r: [i['cost'] for i in r][0]) d.addCallback(lambda r: self._render_response(r, OK_CODE)) return d def jsonrpc_search_nametrie(self, p): """ Search the nametrie for claims Args: 'search': search query, string Returns: List of search results """ # TODO: change this function to "search" if 'search' in p.keys(): search = p['search'] else: return self._render_response(None, BAD_REQUEST) # TODO: have ui accept the actual outputs def _clean(n): t = [] for i in n: td = {k: i['value'][k] for k in i['value']} td['cost_est'] = float(i['cost']) td['thumbnail'] = i['value'].get('thumbnail', "img/Free-speech-flag.svg") td['name'] = i['name'] t.append(td) return t log.info('Search: %s' % search) d = self._search(search) d.addCallback(_clean) d.addCallback(lambda results: self._render_response(results, OK_CODE)) return d def jsonrpc_delete_lbry_file(self, p): """ Delete a lbry file Args: 'file_name': downloaded file name, string Returns: confirmation message """ if 'delete_target_file' in p.keys(): delete_file = p['delete_target_file'] else: delete_file = True def _delete_file(f): file_name = f.file_name d = self._delete_lbry_file(f, delete_file=delete_file) d.addCallback(lambda _: "Deleted LBRY file" + file_name) return d if 'name' in p.keys() or 'sd_hash' in p.keys() or 'file_name' in p.keys(): search_type = [k for k in p.keys() if k != 'delete_target_file'][0] d = self._get_lbry_file(search_type, p[search_type], return_json=False) d.addCallback(lambda l: _delete_file(l) if l else False) d.addCallback(lambda r: self._render_response(r, OK_CODE)) return d def jsonrpc_publish(self, p): """ Make a new name claim and publish associated data to lbrynet Args: 'name': name to be claimed, string 'file_path': path to file to be associated with name, string 'bid': amount of credits to commit in this claim, float 'metadata': metadata dictionary optional 'fee' Returns: Claim txid """ def _set_address(address, currency, m): log.info("Generated new address for key fee: " + str(address)) m['fee'][currency]['address'] = address return m name = p['name'] log.info("Publish: ") log.info(p) try: verify_name_characters(name) except AssertionError: log.error("Bad name") return defer.fail(InvalidNameError("Bad name")) bid = p['bid'] try: metadata = Metadata(p['metadata']) make_lbry_file = False except AssertionError: make_lbry_file = True metadata = p['metadata'] file_path = p['file_path'] if not self.pending_claim_checker.running: self.pending_claim_checker.start(30) d = self._resolve_name(name, force_refresh=True) d.addErrback(lambda _: None) if 'fee' in p: metadata['fee'] = p['fee'] assert len(metadata['fee']) == 1, "Too many fees" for c in metadata['fee']: if 'address' not in metadata['fee'][c]: d.addCallback(lambda _: self.session.wallet.get_new_address()) d.addCallback(lambda addr: _set_address(addr, c, metadata)) else: d.addCallback(lambda _: metadata) if make_lbry_file: pub = Publisher(self.session, self.lbry_file_manager, self.session.wallet) d.addCallback(lambda meta: pub.start(name, file_path, bid, meta)) else: d.addCallback(lambda meta: self.session.wallet.claim_name(name, bid, meta)) d.addCallback(lambda txid: self._add_to_pending_claims(name, txid)) d.addCallback(lambda r: self._render_response(r, OK_CODE)) return d def jsonrpc_abandon_name(self, p): """ Abandon a name and reclaim credits from the claim Args: 'txid': txid of claim, string Return: Confirmation message """ if 'txid' in p.keys(): txid = p['txid'] else: return server.failure def _disp(x): log.info("Abandoned name claim tx " + str(x)) return self._render_response(x, OK_CODE) d = defer.Deferred() d.addCallback(lambda _: self.session.wallet.abandon_name(txid)) d.addCallback(_disp) d.callback(None) return d def jsonrpc_support_claim(self, p): """ Support a name claim Args: 'name': name 'claim_id': claim id of claim to support 'amount': amount to support by Return: txid """ name = p['name'] claim_id = p['claim_id'] amount = p['amount'] d = self.session.wallet.support_claim(name, claim_id, amount) d.addCallback(lambda r: self._render_response(r, OK_CODE)) return d def jsonrpc_get_name_claims(self): """ Get my name claims Args: None Returns list of name claims """ def _clean(claims): for c in claims: for k in c.keys(): if isinstance(c[k], Decimal): c[k] = float(c[k]) return defer.succeed(claims) d = self.session.wallet.get_name_claims() d.addCallback(_clean) d.addCallback(lambda claims: self._render_response(claims, OK_CODE)) return d def jsonrpc_get_claims_for_name(self, p): """ Get claims for a name Args: 'name': name Returns list of name claims """ name = p['name'] d = self.session.wallet.get_claims_for_name(name) d.addCallback(lambda r: self._render_response(r, OK_CODE)) return d def jsonrpc_get_transaction_history(self): """ Get transaction history Args: None Returns: list of transactions """ d = self.session.wallet.get_history() d.addCallback(lambda r: self._render_response(r, OK_CODE)) return d def jsonrpc_get_transaction(self, p): """ Get a decoded transaction from a txid Args: txid: txid hex string Returns: JSON formatted transaction """ txid = p['txid'] d = self.session.wallet.get_tx_json(txid) d.addCallback(lambda r: self._render_response(r, OK_CODE)) return d def jsonrpc_get_public_key_from_wallet(self, p): """ Get public key from wallet address Args: wallet: wallet address, base58 Returns: public key """ wallet = p['wallet'] d = self.session.wallet.get_pub_keys(wallet) d.addCallback(lambda r: self._render_response(r, OK_CODE)) def jsonrpc_get_time_behind_blockchain(self): """ Get number of blocks behind the blockchain Args: None Returns: number of blocks behind blockchain, int """ def _get_time_behind(): try: local_height = self.session.wallet.network.get_local_height() remote_height = self.session.wallet.network.get_server_height() return defer.succeed(remote_height - local_height) except: return defer.fail() d = _get_time_behind() d.addCallback(lambda r: self._render_response(r, OK_CODE)) return d def jsonrpc_get_new_address(self): """ Generate a new wallet address Args: None Returns: new wallet address, base 58 string """ def _disp(address): log.info("Got new wallet address: " + address) return defer.succeed(address) d = self.session.wallet.get_new_address() d.addCallback(_disp) d.addCallback(lambda address: self._render_response(address, OK_CODE)) return d def jsonrpc_send_amount_to_address(self, p): """ Send credits to an address Args: amount: the amount to send address: the address of the recipient Returns: True if payment successfully scheduled """ if 'amount' in p.keys() and 'address' in p.keys(): amount = p['amount'] address = p['address'] else: return server.failure reserved_points = self.session.wallet.reserve_points(address, amount) if reserved_points is None: return defer.fail(InsufficientFundsError()) d = self.session.wallet.send_points_to_address(reserved_points, amount) d.addCallback(lambda _: self._render_response(True, OK_CODE)) return d def jsonrpc_get_best_blockhash(self): """ Get hash of most recent block Args: None Returns: Hash of most recent block """ d = self.session.wallet.get_best_blockhash() d.addCallback(lambda r: self._render_response(r, OK_CODE)) return d def jsonrpc_get_block(self, p): """ Get contents of a block Args: blockhash: hash of the block to look up Returns: requested block """ if 'blockhash' in p.keys(): blockhash = p['blockhash'] else: return server.failure d = self.session.wallet.get_block(blockhash) d.addCallback(lambda r: self._render_response(r, OK_CODE)) return d def jsonrpc_get_claims_for_tx(self, p): """ Get claims for tx Args: txid: txid of a name claim transaction Returns: any claims contained in the requested tx """ if 'txid' in p.keys(): txid = p['txid'] else: return server.failure d = self.session.wallet.get_claims_from_tx(txid) d.addCallback(lambda r: self._render_response(r, OK_CODE)) return d def jsonrpc_download_descriptor(self, p): """ Download and return a sd blob Args: sd_hash Returns sd blob, dict """ sd_hash = p['sd_hash'] timeout = p.get('timeout', DEFAULT_SD_DOWNLOAD_TIMEOUT) d = self._download_sd_blob(sd_hash, timeout) d.addCallbacks(lambda r: self._render_response(r, OK_CODE), lambda _: self._render_response(False, OK_CODE)) return d def jsonrpc_get_nametrie(self): """ Get the nametrie Args: None Returns: Name claim trie """ d = self.session.wallet.get_nametrie() d.addCallback(lambda r: [i for i in r if 'txid' in i.keys()]) d.addCallback(lambda r: self._render_response(r, OK_CODE)) return d def jsonrpc_set_miner(self, p): """ Start of stop the miner, function only available when lbrycrd is set as the wallet Args: run: True/False Returns: miner status, True/False """ stat = p['run'] if stat: d = self.session.wallet.start_miner() else: d = self.session.wallet.stop_miner() d.addCallback(lambda _: self.session.wallet.get_miner_status()) d.addCallback(lambda r: self._render_response(r, OK_CODE)) return d def jsonrpc_get_miner_status(self): """ Get status of miner Args: None Returns: True/False """ d = self.session.wallet.get_miner_status() d.addCallback(lambda r: self._render_response(r, OK_CODE)) return d def jsonrpc_log(self, p): """ Log message Args: 'message': message to be logged Returns: True """ message = p['message'] log.info("API client log request: %s" % message) return self._render_response(True, OK_CODE) def jsonrpc_upload_log(self, p=None): """ Upload log Args, optional: 'name_prefix': prefix to indicate what is requesting the log upload 'exclude_previous': true/false, whether or not to exclude previous sessions from upload, defaults on true Returns: True """ if p: if 'name_prefix' in p.keys(): log_type = p['name_prefix'] + '_api' elif 'log_type' in p.keys(): log_type = p['log_type'] + '_api' else: log_type = None if 'exclude_previous' in p.keys(): exclude_previous = p['exclude_previous'] else: exclude_previous = True if 'message' in p.keys(): log.info("Upload log message: " + str(p['message'])) if 'force' in p.keys(): force = p['force'] else: force = False else: log_type = "api" exclude_previous = True d = self._upload_log(log_type=log_type, exclude_previous=exclude_previous, force=force) if 'message' in p.keys(): d.addCallback(lambda _: self._log_to_slack(p['message'])) d.addCallback(lambda _: self._render_response(True, OK_CODE)) return d def jsonrpc_configure_ui(self, p): """ Configure the UI being hosted Args, optional: 'branch': a branch name on lbryio/lbry-web-ui 'path': path to a ui folder """ if 'check_requirements' in p: check_require = p['check_requirements'] else: check_require = True if 'path' in p: d = self.lbry_ui_manager.setup(user_specified=p['path'], check_requirements=check_require) elif 'branch' in p: d = self.lbry_ui_manager.setup(branch=p['branch'], check_requirements=check_require) else: d = self.lbry_ui_manager.setup(check_requirements=check_require) d.addCallback(lambda r: self._render_response(r, OK_CODE)) return d def jsonrpc_reveal(self, p): """ Reveal a file or directory in file browser Args: 'path': path to be selected in file browser Returns: True, opens file browser """ path = p['path'] if sys.platform == "darwin": d = threads.deferToThread(subprocess.Popen, ['open', '-R', path]) else: # No easy way to reveal specific files on Linux, so just open the containing directory d = threads.deferToThread(subprocess.Popen, ['xdg-open', os.path.dirname(path)]) d.addCallback(lambda _: self._render_response(True, OK_CODE)) return d def jsonrpc_get_peers_for_hash(self, p): """ Get peers for blob hash Args: 'blob_hash': blob hash Returns: List of contacts """ blob_hash = p['blob_hash'] d = self.session.peer_finder.find_peers_for_blob(blob_hash) d.addCallback(lambda r: [[c.host, c.port, c.is_available()] for c in r]) d.addCallback(lambda r: self._render_response(r, OK_CODE)) return d def get_lbrynet_version_from_github(): """Return the latest released version from github.""" response = requests.get('https://api.github.com/repos/lbryio/lbry/releases/latest') release = response.json() tag = release['tag_name'] # githubs documentation claims this should never happen, but we'll check just in case if release['prerelease']: raise Exception('Release {} is a pre-release'.format(tag)) return get_version_from_tag(tag) def get_version_from_tag(tag): match = re.match('v([\d.]+)', tag) if match: return match.group(1) else: raise Exception('Failed to parse version from tag {}'.format(tag)) def get_sd_hash(stream_info): if not stream_info: return None try: return stream_info['sources']['lbry_sd_hash'] except KeyError: return stream_info.get('stream_hash') def get_output_callback(params): def callback(l): return { 'stream_hash': params.sd_hash if params.stream_info else l.sd_hash, 'path': os.path.join(params.download_directory, l.file_name) } return callback def get_darwin_lbrycrdd_path(): # use the path from the bundle if its available. default = "./lbrycrdd" try: import Foundation except ImportError: log.warning('Foundation module not installed, falling back to default lbrycrdd path') return default else: try: bundle = Foundation.NSBundle.mainBundle() return bundle.pathForResource_ofType_('lbrycrdd', None) except Exception: log.exception('Failed to get path from bundle, falling back to default') return default class _DownloadNameHelper(object): def __init__(self, daemon, name, timeout=DEFAULT_TIMEOUT, download_directory=None, file_name=None, wait_for_write=True): self.daemon = daemon self.name = name self.timeout = timeout if not download_directory or not os.path.isdir(download_directory): self.download_directory = daemon.download_directory else: self.download_directory = download_directory self.file_name = file_name self.wait_for_write = wait_for_write def _setup_stream(self, stream_info): stream_hash = get_sd_hash(stream_info) d = self.daemon._get_lbry_file_by_sd_hash(stream_hash) d.addCallback(self._add_results_callback(stream_info)) return d def _add_results_callback(self, stream_info): def add_results(l): if l: if os.path.isfile(os.path.join(self.download_directory, l.file_name)): return defer.succeed((stream_info, l)) return defer.succeed((stream_info, None)) return add_results def wait_or_get_stream(self, args): stream_info, lbry_file = args if lbry_file: log.debug('Wait on lbry_file') return self._wait_on_lbry_file(lbry_file) else: log.debug('No lbry_file, need to get stream') return self._get_stream(stream_info) def _get_stream(self, stream_info): d = self.daemon.add_stream( self.name, self.timeout, self.download_directory, self.file_name, stream_info) if self.wait_for_write: d.addCallback(lambda _: self._wait_for_write()) d.addCallback(lambda _: self.daemon.streams[self.name].downloader) return d def _wait_for_write(self): d = defer.succeed(None) if not self.has_downloader_wrote(): d.addCallback(lambda _: reactor.callLater(1, self._wait_for_write)) return d def has_downloader_wrote(self): downloader = self.daemon.streams[self.name].downloader if not downloader: return False return self.get_written_bytes(downloader.file_name) def _wait_on_lbry_file(self, f): written_bytes = self.get_written_bytes(f.file_name) if written_bytes: return defer.succeed(self._disp_file(f)) return task.deferLater(reactor, 1, self._wait_on_lbry_file, f) def get_written_bytes(self, file_name): """Returns the number of bytes written to `file_name`. Returns False if there were issues reading `file_name`. """ try: file_path = os.path.join(self.download_directory, file_name) if os.path.isfile(file_path): written_file = file(file_path) written_file.seek(0, os.SEEK_END) written_bytes = written_file.tell() written_file.close() else: written_bytes = False except Exception: writen_bytes = False return written_bytes def _disp_file(self, f): file_path = os.path.join(self.download_directory, f.file_name) log.info("Already downloaded: %s --> %s", f.sd_hash, file_path) return f def _remove_from_wait(self, r): del self.daemon.waiting_on[self.name] return r class _ResolveNameHelper(object): def __init__(self, daemon, name, force_refresh): self.daemon = daemon self.name = name self.force_refresh = force_refresh def get_deferred(self): if self.need_fresh_stream(): log.info("Resolving stream info for lbry://%s", self.name) d = self.wallet.get_stream_info_for_name(self.name) d.addCallbacks(self._cache_stream_info, lambda _: defer.fail(UnknownNameError)) else: log.debug("Returning cached stream info for lbry://%s", self.name) d = defer.succeed(self.name_data['claim_metadata']) return d @property def name_data(self): return self.daemon.name_cache[self.name] @property def wallet(self): return self.daemon.session.wallet def now(self): return self.daemon._get_long_count_timestamp() def _add_txid(self, txid): self.name_data['txid'] = txid return defer.succeed(None) def _cache_stream_info(self, stream_info): self.daemon.name_cache[self.name] = { 'claim_metadata': stream_info, 'timestamp': self.now() } d = self.wallet.get_txid_for_name(self.name) d.addCallback(self._add_txid) d.addCallback(lambda _: self.daemon._update_claim_cache()) d.addCallback(lambda _: self.name_data['claim_metadata']) return d def need_fresh_stream(self): return self.force_refresh or not self.is_in_cache() or self.is_cached_name_expired() def is_in_cache(self): return self.name in self.daemon.name_cache def is_cached_name_expired(self): time_in_cache = self.now() - self.name_data['timestamp'] return time_in_cache >= self.daemon.cache_time