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update SQLiteStorage

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Jack Robison 2019-01-22 15:43:01 -05:00 committed by Lex Berezhny
parent 30689bbf8d
commit db75f0baef
1 changed files with 224 additions and 395 deletions
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605
lbrynet/extras/daemon/storage.py
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@ -1,18 +1,22 @@
import asyncio
import logging import logging
import os import sqlite3
import traceback
import typing import typing
from binascii import hexlify, unhexlify import asyncio
from lbrynet.extras.wallet.dewies import dewies_to_lbc, lbc_to_dewies import binascii
from torba.client.basedatabase import SQLiteMixin
from lbrynet.conf import Config from lbrynet.conf import Config
from lbrynet.extras.wallet.dewies import dewies_to_lbc, lbc_to_dewies
from lbrynet.schema.claim import ClaimDict from lbrynet.schema.claim import ClaimDict
from lbrynet.schema.decode import smart_decode from lbrynet.schema.decode import smart_decode
from lbrynet.blob.CryptBlob import CryptBlobInfo from lbrynet.dht.constants import data_expiration
from lbrynet.dht.constants import dataExpireTimeout
from torba.client.basedatabase import SQLiteMixin if typing.TYPE_CHECKING:
from lbrynet.blob.blob_file import BlobFile
from lbrynet.stream.descriptor import StreamDescriptor
log = logging.getLogger(__name__) log = logging.getLogger(__name__)
opt_str = typing.Optional[str]
opt_int = typing.Optional[int]
def calculate_effective_amount(amount: str, supports: typing.Optional[typing.List[typing.Dict]] = None) -> str: def calculate_effective_amount(amount: str, supports: typing.Optional[typing.List[typing.Dict]] = None) -> str:
@ -21,46 +25,93 @@ def calculate_effective_amount(amount: str, supports: typing.Optional[typing.Lis
) )
def _get_next_available_file_name(download_directory, file_name): class StoredStreamClaim:
base_name, ext = os.path.splitext(file_name) def __init__(self, stream_hash: str, outpoint: opt_str = None, claim_id: opt_str = None, name: opt_str = None,
i = 0 amount: opt_int = None, height: opt_int = None, serialized: opt_str = None,
while os.path.isfile(os.path.join(download_directory, file_name)): channel_claim_id: opt_str = None, address: opt_str = None, claim_sequence: opt_int = None,
i += 1 channel_name: opt_str = None):
file_name = "%s_%i%s" % (base_name, i, ext) self.stream_hash = stream_hash
return os.path.join(download_directory, file_name) self.claim_id = claim_id
self.outpoint = outpoint
self.claim_name = name
self.amount = amount
self.height = height
self.claim: typing.Optional[ClaimDict] = None if not serialized else smart_decode(serialized)
self.claim_address = address
self.claim_sequence = claim_sequence
self.channel_claim_id = channel_claim_id
self.channel_name = channel_name
@property
def txid(self) -> typing.Optional[str]:
return None if not self.outpoint else self.outpoint.split(":")[0]
@property
def nout(self) -> typing.Optional[int]:
return None if not self.outpoint else int(self.outpoint.split(":")[1])
@property
def metadata(self) -> typing.Optional[typing.Dict]:
return None if not self.claim else self.claim.claim_dict['stream']['metadata']
def as_dict(self) -> typing.Dict:
return {
"name": self.claim_name,
"claim_id": self.claim_id,
"address": self.claim_address,
"claim_sequence": self.claim_sequence,
"value": self.claim,
"height": self.height,
"amount": dewies_to_lbc(self.amount),
"nout": self.nout,
"txid": self.txid,
"channel_claim_id": self.channel_claim_id,
"channel_name": self.channel_name
}
def _open_file_for_writing(download_directory, suggested_file_name): def get_claims_from_stream_hashes(transaction: sqlite3.Connection,
file_path = _get_next_available_file_name(download_directory, suggested_file_name) stream_hashes: typing.List[str]) -> typing.Dict[str, StoredStreamClaim]:
try: query = (
file_handle = open(file_path, 'wb') "select content_claim.stream_hash, c.*, case when c.channel_claim_id is not null then "
file_handle.close() " (select claim_name from claim where claim_id==c.channel_claim_id) "
except IOError: " else null end as channel_name "
log.error(traceback.format_exc()) " from content_claim "
raise ValueError( " inner join claim c on c.claim_outpoint=content_claim.claim_outpoint and content_claim.stream_hash in {}"
"Failed to open %s. Make sure you have permission to save files to that location." % file_path " order by c.rowid desc"
)
return os.path.basename(file_path)
async def open_file_for_writing(download_directory: str, suggested_file_name: str) -> str:
""" Used to touch the path of a file to be downloaded. """
return await asyncio.get_event_loop().run_in_executor(
None, _open_file_for_writing, download_directory, suggested_file_name
) )
return {
claim_info.stream_hash: claim_info
for claim_info in [
None if not claim_info else StoredStreamClaim(*claim_info)
for claim_info in _batched_select(transaction, query, stream_hashes)
]
}
async def looping_call(interval, fun): def get_content_claim_from_outpoint(transaction: sqlite3.Connection,
while True: outpoint: str) -> typing.Optional[StoredStreamClaim]:
try: query = (
await fun() "select content_claim.stream_hash, c.*, case when c.channel_claim_id is not null then "
except Exception as e: " (select claim_name from claim where claim_id==c.channel_claim_id) "
log.exception('Looping call experienced exception:', exc_info=e) " else null end as channel_name "
await asyncio.sleep(interval) " from content_claim "
" inner join claim c on c.claim_outpoint=content_claim.claim_outpoint and content_claim.claim_outpoint=?"
)
claim_fields = transaction.execute(query, (outpoint, )).fetchone()
if claim_fields:
return StoredStreamClaim(*claim_fields)
def _batched_select(transaction, query, parameters):
for start_index in range(0, len(parameters), 900):
current_batch = parameters[start_index:start_index+900]
bind = "({})".format(','.join(['?'] * len(current_batch)))
for result in transaction.execute(query.format(bind), current_batch):
yield result
class SQLiteStorage(SQLiteMixin): class SQLiteStorage(SQLiteMixin):
CREATE_TABLES_QUERY = """ CREATE_TABLES_QUERY = """
pragma foreign_keys=on; pragma foreign_keys=on;
pragma journal_mode=WAL; pragma journal_mode=WAL;
@ -136,21 +187,8 @@ class SQLiteStorage(SQLiteMixin):
super().__init__(path) super().__init__(path)
self.conf = conf self.conf = conf
self.content_claim_callbacks = {} self.content_claim_callbacks = {}
self.check_should_announce_lc = None
self.loop = loop or asyncio.get_event_loop() self.loop = loop or asyncio.get_event_loop()
async def open(self):
await super().open()
if 'reflector' not in self.conf.components_to_skip:
self.check_should_announce_lc = looping_call(
600, self.verify_will_announce_all_head_and_sd_blobs
)
async def close(self):
if self.check_should_announce_lc is not None:
self.check_should_announce_lc.close()
await super().close()
async def run_and_return_one_or_none(self, query, *args): async def run_and_return_one_or_none(self, query, *args):
for row in await self.db.execute_fetchall(query, args): for row in await self.db.execute_fetchall(query, args):
if len(row) == 1: if len(row) == 1:
@ -161,33 +199,29 @@ class SQLiteStorage(SQLiteMixin):
rows = list(await self.db.execute_fetchall(query, args)) rows = list(await self.db.execute_fetchall(query, args))
return [col[0] for col in rows] if rows else [] return [col[0] for col in rows] if rows else []
async def run_and_return_id(self, query, *args):
return (await self.db.execute(query, args)).lastrowid
# # # # # # # # # blob functions # # # # # # # # # # # # # # # # # # blob functions # # # # # # # # #
def add_completed_blob(self, blob_hash, length, next_announce_time, should_announce, status="finished"): def add_completed_blob(self, blob_hash: str):
log.debug("Adding a completed blob. blob_hash=%s, length=%i", blob_hash, length) log.debug("Adding a completed blob. blob_hash=%s", blob_hash)
values = (blob_hash, length, next_announce_time or 0, int(bool(should_announce)), status, 0, 0) return self.db.execute("update blob set status='finished' where blob.blob_hash=?", (blob_hash, ))
return self.db.execute("insert or replace into blob values (?, ?, ?, ?, ?, ?, ?)", values)
def set_should_announce(self, blob_hash, next_announce_time, should_announce): def set_should_announce(self, blob_hash: str, next_announce_time: int, should_announce: int):
return self.db.execute( return self.db.execute(
"update blob set next_announce_time=?, should_announce=? where blob_hash=?", "update blob set next_announce_time=?, should_announce=? where blob_hash=?",
(next_announce_time or 0, int(bool(should_announce)), blob_hash) (next_announce_time or 0, int(bool(should_announce)), blob_hash)
) )
def get_blob_status(self, blob_hash): def get_blob_status(self, blob_hash: str):
return self.run_and_return_one_or_none( return self.run_and_return_one_or_none(
"select status from blob where blob_hash=?", blob_hash "select status from blob where blob_hash=?", blob_hash
) )
def add_known_blob(self, blob_hash, length): def add_known_blob(self, blob_hash: str, length: int):
return self.db.execute( return self.db.execute(
"insert or ignore into blob values (?, ?, ?, ?, ?, ?, ?)", (blob_hash, length, 0, 0, "pending", 0, 0) "insert or ignore into blob values (?, ?, ?, ?, ?, ?, ?)", (blob_hash, length, 0, 0, "pending", 0, 0)
) )
def should_announce(self, blob_hash): def should_announce(self, blob_hash: str):
return self.run_and_return_one_or_none( return self.run_and_return_one_or_none(
"select should_announce from blob where blob_hash=?", blob_hash "select should_announce from blob where blob_hash=?", blob_hash
) )
@ -202,22 +236,25 @@ class SQLiteStorage(SQLiteMixin):
"select blob_hash from blob where should_announce=1 and status='finished'" "select blob_hash from blob where should_announce=1 and status='finished'"
) )
async def get_all_finished_blobs(self): def get_all_finished_blobs(self):
blob_hashes = await self.run_and_return_list( return self.run_and_return_list(
"select blob_hash from blob where status='finished'" "select blob_hash from blob where status='finished'"
) )
return [unhexlify(blob_hash) for blob_hash in blob_hashes]
def count_finished_blobs(self): def count_finished_blobs(self):
return self.run_and_return_one_or_none( return self.run_and_return_one_or_none(
"select count(*) from blob where status='finished'" "select count(*) from blob where status='finished'"
) )
def update_last_announced_blob(self, blob_hash, last_announced): def update_last_announced_blobs(self, blob_hashes: typing.List[str], last_announced: float):
return self.db.execute( def _update_last_announced_blobs(transaction: sqlite3.Connection):
"update blob set next_announce_time=?, last_announced_time=?, single_announce=0 where blob_hash=?", return transaction.executemany(
(int(last_announced + (dataExpireTimeout / 2)), int(last_announced), blob_hash) "update blob set next_announce_time=?, last_announced_time=?, single_announce=0 "
) "where blob_hash=?",
[(int(last_announced + (data_expiration / 2)), int(last_announced), blob_hash)
for blob_hash in blob_hashes]
)
return self.db.run(_update_last_announced_blobs)
def should_single_announce_blobs(self, blob_hashes, immediate=False): def should_single_announce_blobs(self, blob_hashes, immediate=False):
def set_single_announce(transaction): def set_single_announce(transaction):
@ -230,7 +267,7 @@ class SQLiteStorage(SQLiteMixin):
) )
else: else:
transaction.execute( transaction.execute(
"update blob set single_announce=1 where blob_hash=? and status='finished'", (blob_hash, ) "update blob set single_announce=1 where blob_hash=? and status='finished'", (blob_hash,)
) )
return self.db.run(set_single_announce) return self.db.run(set_single_announce)
@ -255,203 +292,87 @@ class SQLiteStorage(SQLiteMixin):
def delete_blobs_from_db(self, blob_hashes): def delete_blobs_from_db(self, blob_hashes):
def delete_blobs(transaction): def delete_blobs(transaction):
for blob_hash in blob_hashes: transaction.executemany(
transaction.execute("delete from blob where blob_hash=?;", (blob_hash,)) "delete from blob where blob_hash=?;", [(blob_hash,) for blob_hash in blob_hashes]
)
return self.db.run(delete_blobs) return self.db.run(delete_blobs)
def get_all_blob_hashes(self): def get_all_blob_hashes(self):
return self.run_and_return_list("select blob_hash from blob") return self.run_and_return_list("select blob_hash from blob")
# # # # # # # # # stream blob functions # # # # # # # # #
def add_blobs_to_stream(self, stream_hash, blob_infos):
def _add_stream_blobs(transaction):
for blob_info in blob_infos:
transaction.execute("insert into stream_blob values (?, ?, ?, ?)",
(stream_hash, blob_info.get('blob_hash', None),
blob_info['blob_num'], blob_info['iv']))
return self.db.run(_add_stream_blobs)
async def add_known_blobs(self, blob_infos):
for blob_info in blob_infos:
if blob_info.get('blob_hash') and blob_info['length']:
await self.add_known_blob(blob_info['blob_hash'], blob_info['length'])
def verify_will_announce_head_and_sd_blobs(self, stream_hash):
# fix should_announce for imported head and sd blobs
return self.db.execute(
"update blob set should_announce=1 "
"where should_announce=0 and "
"blob.blob_hash in "
" (select b.blob_hash from blob b inner join stream s on b.blob_hash=s.sd_hash and s.stream_hash=?) "
"or blob.blob_hash in "
" (select b.blob_hash from blob b "
" inner join stream_blob s2 on b.blob_hash=s2.blob_hash and s2.position=0 and s2.stream_hash=?)",
(stream_hash, stream_hash)
)
def verify_will_announce_all_head_and_sd_blobs(self):
return self.db.execute(
"update blob set should_announce=1 "
"where should_announce=0 and "
"blob.blob_hash in "
" (select b.blob_hash from blob b inner join stream s on b.blob_hash=s.sd_hash) "
"or blob.blob_hash in "
" (select b.blob_hash from blob b "
" inner join stream_blob s2 on b.blob_hash=s2.blob_hash and s2.position=0)"
)
# # # # # # # # # stream functions # # # # # # # # # # # # # # # # # # stream functions # # # # # # # # #
def store_stream(self, stream_hash, sd_hash, stream_name, stream_key, suggested_file_name, async def stream_exists(self, sd_hash: str) -> bool:
stream_blob_infos): streams = await self.run_and_return_one_or_none("select stream_hash from stream where sd_hash=?", sd_hash)
""" return streams is not None
Add a stream to the stream table
:param stream_hash: hash of the assembled stream async def file_exists(self, sd_hash: str) -> bool:
:param sd_hash: hash of the sd blob streams = await self.run_and_return_one_or_none("select f.stream_hash from file f "
:param stream_key: blob decryption key "inner join stream s on "
:param stream_name: the name of the file the stream was generated from "s.stream_hash=f.stream_hash and s.sd_hash=?", sd_hash)
:param suggested_file_name: (str) suggested file name for stream return streams is not None
:param stream_blob_infos: (list) of blob info dictionaries
:return: (defer.Deferred) def store_stream(self, sd_blob: 'BlobFile', descriptor: 'StreamDescriptor'):
""" def _store_stream(transaction: sqlite3.Connection):
def _store_stream(transaction): # add the head blob and set it to be announced
transaction.execute( transaction.execute(
"insert into stream values (?, ?, ?, ?, ?);", ( "insert or ignore into blob values (?, ?, ?, ?, ?, ?, ?), (?, ?, ?, ?, ?, ?, ?)",
stream_hash, sd_hash, stream_key, stream_name, suggested_file_name (
sd_blob.blob_hash, sd_blob.length, 0, 1, "pending", 0, 0,
descriptor.blobs[0].blob_hash, descriptor.blobs[0].length, 0, 1, "pending", 0, 0
) )
) )
for blob_info in stream_blob_infos: # add the rest of the blobs with announcement off
transaction.execute( if len(descriptor.blobs) > 2:
"insert into stream_blob values (?, ?, ?, ?)", ( transaction.executemany(
stream_hash, blob_info.get('blob_hash', None), "insert or ignore into blob values (?, ?, ?, ?, ?, ?, ?)",
blob_info['blob_num'], blob_info['iv'] [(blob.blob_hash, blob.length, 0, 0, "pending", 0, 0)
) for blob in descriptor.blobs[1:-1]]
) )
# associate the blobs to the stream
transaction.execute("insert or ignore into stream values (?, ?, ?, ?, ?)",
(descriptor.stream_hash, sd_blob.blob_hash, descriptor.key,
binascii.hexlify(descriptor.stream_name.encode()).decode(),
binascii.hexlify(descriptor.suggested_file_name.encode()).decode()))
# add the stream
transaction.executemany(
"insert or ignore into stream_blob values (?, ?, ?, ?)",
[(descriptor.stream_hash, blob.blob_hash, blob.blob_num, blob.iv)
for blob in descriptor.blobs]
)
return self.db.run(_store_stream) return self.db.run(_store_stream)
async def delete_stream(self, stream_hash): def delete_stream(self, descriptor: 'StreamDescriptor'):
sd_hash = await self.get_sd_blob_hash_for_stream(stream_hash) def _delete_stream(transaction: sqlite3.Connection):
stream_blobs = await self.get_blobs_for_stream(stream_hash) transaction.execute("delete from content_claim where stream_hash=? ", (descriptor.stream_hash,))
blob_hashes = [b.blob_hash for b in stream_blobs if b.blob_hash is not None] transaction.execute("delete from file where stream_hash=? ", (descriptor.stream_hash, ))
transaction.execute("delete from stream_blob where stream_hash=?", (descriptor.stream_hash, ))
def _delete_stream(transaction): transaction.execute("delete from stream where stream_hash=? ", (descriptor.stream_hash, ))
transaction.execute("delete from content_claim where stream_hash=? ", (stream_hash,)) transaction.execute("delete from blob where blob_hash=?", (descriptor.sd_hash, ))
transaction.execute("delete from file where stream_hash=? ", (stream_hash, )) transaction.executemany("delete from blob where blob_hash=?",
transaction.execute("delete from stream_blob where stream_hash=?", (stream_hash, )) [(blob.blob_hash, ) for blob in descriptor.blobs[:-1]])
transaction.execute("delete from stream where stream_hash=? ", (stream_hash, )) return self.db.run(_delete_stream)
transaction.execute("delete from blob where blob_hash=?", (sd_hash, ))
for blob_hash in blob_hashes:
transaction.execute("delete from blob where blob_hash=?;", (blob_hash, ))
await self.db.run(_delete_stream)
def get_all_streams(self):
return self.run_and_return_list("select stream_hash from stream")
def get_stream_info(self, stream_hash):
return self.run_and_return_one_or_none(
"select stream_name, stream_key, suggested_filename, sd_hash from stream "
"where stream_hash=?", stream_hash
)
async def check_if_stream_exists(self, stream_hash):
row = await self.run_and_return_one_or_none(
"select stream_hash from stream where stream_hash=?", stream_hash
)
if row is not None:
return bool(len(row))
return False
def get_blob_num_by_hash(self, stream_hash, blob_hash):
return self.run_and_return_one_or_none(
"select position from stream_blob where stream_hash=? and blob_hash=?",
stream_hash, blob_hash
)
def get_stream_blob_by_position(self, stream_hash, blob_num):
return self.run_and_return_one_or_none(
"select blob_hash from stream_blob where stream_hash=? and position=?",
stream_hash, blob_num
)
def get_blobs_for_stream(self, stream_hash, only_completed=False):
def _get_blobs_for_stream(transaction):
crypt_blob_infos = []
stream_blobs = transaction.execute(
"select blob_hash, position, iv from stream_blob where stream_hash=?", (stream_hash, )
).fetchall()
if only_completed:
lengths = transaction.execute(
"select b.blob_hash, b.blob_length from blob b "
"inner join stream_blob s ON b.blob_hash=s.blob_hash and b.status='finished' and s.stream_hash=?",
(stream_hash, )
).fetchall()
else:
lengths = transaction.execute(
"select b.blob_hash, b.blob_length from blob b "
"inner join stream_blob s ON b.blob_hash=s.blob_hash and s.stream_hash=?",
(stream_hash, )
).fetchall()
blob_length_dict = {}
for blob_hash, length in lengths:
blob_length_dict[blob_hash] = length
for blob_hash, position, iv in stream_blobs:
blob_length = blob_length_dict.get(blob_hash, 0)
crypt_blob_infos.append(CryptBlobInfo(blob_hash, position, blob_length, iv))
crypt_blob_infos = sorted(crypt_blob_infos, key=lambda info: info.blob_num)
return crypt_blob_infos
return self.db.run(_get_blobs_for_stream)
def get_pending_blobs_for_stream(self, stream_hash):
return self.run_and_return_list(
"select s.blob_hash from stream_blob s "
"inner join blob b on b.blob_hash=s.blob_hash and b.status='pending' "
"where stream_hash=?",
stream_hash
)
def get_stream_of_blob(self, blob_hash):
return self.run_and_return_one_or_none(
"select stream_hash from stream_blob where blob_hash=?", blob_hash
)
def get_sd_blob_hash_for_stream(self, stream_hash):
return self.run_and_return_one_or_none(
"select sd_hash from stream where stream_hash=?", stream_hash
)
def get_stream_hash_for_sd_hash(self, sd_blob_hash):
return self.run_and_return_one_or_none(
"select stream_hash from stream where sd_hash = ?", sd_blob_hash
)
# # # # # # # # # file stuff # # # # # # # # # # # # # # # # # # file stuff # # # # # # # # #
async def save_downloaded_file(self, stream_hash, file_name, download_directory, data_payment_rate): def save_downloaded_file(self, stream_hash, file_name, download_directory, data_payment_rate):
# touch the closest available file to the file name return self.save_published_file(
file_name = await open_file_for_writing(unhexlify(download_directory).decode(), unhexlify(file_name).decode()) stream_hash, binascii.hexlify(file_name.encode()).decode(),
return await self.save_published_file( binascii.hexlify(download_directory.encode()).decode(), data_payment_rate,
stream_hash, hexlify(file_name.encode()), download_directory, data_payment_rate status="running"
) )
def save_published_file(self, stream_hash, file_name, download_directory, data_payment_rate, status="stopped"): def save_published_file(self, stream_hash: str, file_name: str, download_directory: str, data_payment_rate: float,
return self.run_and_return_id( status="finished"):
return self.db.execute(
"insert into file values (?, ?, ?, ?, ?)", "insert into file values (?, ?, ?, ?, ?)",
stream_hash, file_name, download_directory, data_payment_rate, status (stream_hash, file_name, download_directory, data_payment_rate, status)
) )
def get_filename_for_rowid(self, rowid): async def get_all_lbry_files(self) -> typing.List[typing.Dict]:
return self.run_and_return_one_or_none(
"select file_name from file where rowid=?", rowid
)
def get_all_lbry_files(self):
def _lbry_file_dict(rowid, stream_hash, file_name, download_dir, data_rate, status, _, sd_hash, stream_key, def _lbry_file_dict(rowid, stream_hash, file_name, download_dir, data_rate, status, _, sd_hash, stream_key,
stream_name, suggested_file_name): stream_name, suggested_file_name) -> typing.Dict:
return { return {
"row_id": rowid, "row_id": rowid,
"stream_hash": stream_hash, "stream_hash": stream_hash,
@ -465,36 +386,35 @@ class SQLiteStorage(SQLiteMixin):
"suggested_file_name": suggested_file_name "suggested_file_name": suggested_file_name
} }
def _get_all_files(transaction): def _get_all_files(transaction: sqlite3.Connection) -> typing.List[typing.Dict]:
return [ file_infos = list(map(lambda a: _lbry_file_dict(*a), transaction.execute(
_lbry_file_dict(*file_info) for file_info in transaction.execute( "select file.rowid, file.*, stream.* "
"select file.rowid, file.*, stream.* " "from file inner join stream on file.stream_hash=stream.stream_hash"
"from file inner join stream on file.stream_hash=stream.stream_hash" ).fetchall()))
).fetchall() stream_hashes = [file_info['stream_hash'] for file_info in file_infos]
] claim_infos = get_claims_from_stream_hashes(transaction, stream_hashes)
for index in range(len(file_infos)): # pylint: disable=consider-using-enumerate
file_infos[index]['claim'] = claim_infos.get(file_infos[index]['stream_hash'])
return file_infos
return self.db.run(_get_all_files) results = await self.db.run(_get_all_files)
if results:
return results
return []
async def change_file_status(self, rowid, new_status): def change_file_status(self, stream_hash: str, new_status: str):
await self.db.execute("update file set status=? where rowid=?", (new_status, rowid)) log.info("update file status %s -> %s", stream_hash, new_status)
return new_status return self.db.execute("update file set status=? where stream_hash=?", (new_status, stream_hash))
def get_lbry_file_status(self, rowid): def get_all_stream_hashes(self):
return self.run_and_return_one_or_none( return self.run_and_return_list("select stream_hash from stream")
"select status from file where rowid = ?", rowid
)
def get_rowid_for_stream_hash(self, stream_hash):
return self.run_and_return_one_or_none(
"select rowid from file where stream_hash=?", stream_hash
)
# # # # # # # # # support functions # # # # # # # # # # # # # # # # # # support functions # # # # # # # # #
def save_supports(self, claim_id, supports): def save_supports(self, claim_id, supports):
# TODO: add 'address' to support items returned for a claim from lbrycrdd and lbryum-server # TODO: add 'address' to support items returned for a claim from lbrycrdd and lbryum-server
def _save_support(transaction): def _save_support(transaction):
transaction.execute("delete from support where claim_id=?", (claim_id, )) transaction.execute("delete from support where claim_id=?", (claim_id,))
for support in supports: for support in supports:
transaction.execute( transaction.execute(
"insert into support values (?, ?, ?, ?)", "insert into support values (?, ?, ?, ?)",
@ -552,30 +472,32 @@ class SQLiteStorage(SQLiteMixin):
source_hash = None source_hash = None
except AttributeError: except AttributeError:
source_hash = None source_hash = None
serialized = claim_info.get('hex') or hexlify(smart_decode(claim_info['value']).serialized) serialized = claim_info.get('hex') or binascii.hexlify(
smart_decode(claim_info['value']).serialized).decode()
transaction.execute( transaction.execute(
"insert or replace into claim values (?, ?, ?, ?, ?, ?, ?, ?, ?)", "insert or replace into claim values (?, ?, ?, ?, ?, ?, ?, ?, ?)",
(outpoint, claim_id, name, amount, height, serialized, certificate_id, address, sequence) (outpoint, claim_id, name, amount, height, serialized, certificate_id, address, sequence)
) )
if 'supports' in claim_info: # if this response doesn't have support info don't overwrite the existing # if this response doesn't have support info don't overwrite the existing
# support info # support info
if 'supports' in claim_info:
support_callbacks.append((claim_id, claim_info['supports'])) support_callbacks.append((claim_id, claim_info['supports']))
if not source_hash: if not source_hash:
continue continue
stream_hash = transaction.execute( stream_hash = transaction.execute(
"select file.stream_hash from stream " "select file.stream_hash from stream "
"inner join file on file.stream_hash=stream.stream_hash where sd_hash=?", (source_hash, ) "inner join file on file.stream_hash=stream.stream_hash where sd_hash=?", (source_hash,)
).fetchone() ).fetchone()
if not stream_hash: if not stream_hash:
continue continue
stream_hash = stream_hash[0] stream_hash = stream_hash[0]
known_outpoint = transaction.execute( known_outpoint = transaction.execute(
"select claim_outpoint from content_claim where stream_hash=?", (stream_hash, ) "select claim_outpoint from content_claim where stream_hash=?", (stream_hash,)
) )
known_claim_id = transaction.execute( known_claim_id = transaction.execute(
"select claim_id from claim " "select claim_id from claim "
"inner join content_claim c3 ON claim.claim_outpoint=c3.claim_outpoint " "inner join content_claim c3 ON claim.claim_outpoint=c3.claim_outpoint "
"where c3.stream_hash=?", (stream_hash, ) "where c3.stream_hash=?", (stream_hash,)
) )
if not known_claim_id: if not known_claim_id:
content_claims_to_update.append((stream_hash, outpoint)) content_claims_to_update.append((stream_hash, outpoint))
@ -607,14 +529,6 @@ class SQLiteStorage(SQLiteMixin):
to_save.append(info['claim']) to_save.append(info['claim'])
return self.save_claims(to_save) return self.save_claims(to_save)
def get_old_stream_hashes_for_claim_id(self, claim_id, new_stream_hash):
return self.run_and_return_list(
"select f.stream_hash from file f "
"inner join content_claim cc on f.stream_hash=cc.stream_hash "
"inner join claim c on c.claim_outpoint=cc.claim_outpoint and c.claim_id=? "
"where f.stream_hash!=?", claim_id, new_stream_hash
)
@staticmethod @staticmethod
def _save_content_claim(transaction, claim_outpoint, stream_hash): def _save_content_claim(transaction, claim_outpoint, stream_hash):
# get the claim id and serialized metadata # get the claim id and serialized metadata
@ -623,7 +537,7 @@ class SQLiteStorage(SQLiteMixin):
).fetchone() ).fetchone()
if not claim_info: if not claim_info:
raise Exception("claim not found") raise Exception("claim not found")
new_claim_id, claim = claim_info[0], ClaimDict.deserialize(unhexlify(claim_info[1])) new_claim_id, claim = claim_info[0], ClaimDict.deserialize(binascii.unhexlify(claim_info[1]))
# certificate claims should not be in the content_claim table # certificate claims should not be in the content_claim table
if not claim.is_stream: if not claim.is_stream:
@ -661,90 +575,31 @@ class SQLiteStorage(SQLiteMixin):
if stream_hash in self.content_claim_callbacks: if stream_hash in self.content_claim_callbacks:
await self.content_claim_callbacks[stream_hash]() await self.content_claim_callbacks[stream_hash]()
async def get_content_claim(self, stream_hash, include_supports=True): async def get_content_claim(self, stream_hash: str, include_supports: typing.Optional[bool] = True) -> typing.Dict:
def _get_claim_from_stream_hash(transaction): claims = await self.db.run(get_claims_from_stream_hashes, [stream_hash])
claim_info = transaction.execute( claim = None
"select c.*, " if claims:
"case when c.channel_claim_id is not null then " claim = claims[stream_hash].as_dict()
"(select claim_name from claim where claim_id==c.channel_claim_id) " if include_supports:
"else null end as channel_name from content_claim " supports = await self.get_supports(claim['claim_id'])
"inner join claim c on c.claim_outpoint=content_claim.claim_outpoint "
"and content_claim.stream_hash=? order by c.rowid desc", (stream_hash,)
).fetchone()
if not claim_info:
return None
channel_name = claim_info[-1]
result = _format_claim_response(*claim_info[:-1])
if channel_name:
result['channel_name'] = channel_name
return result
result = await self.db.run(_get_claim_from_stream_hash)
if result and include_supports:
result['supports'] = await self.get_supports(result['claim_id'])
result['effective_amount'] = calculate_effective_amount(result['amount'], result['supports'])
return result
async def get_claims_from_stream_hashes(self, stream_hashes, include_supports=True):
def _batch_get_claim(transaction):
results = {}
claim_infos = _batched_select(
transaction,
"select content_claim.stream_hash, c.* from content_claim "
"inner join claim c on c.claim_outpoint=content_claim.claim_outpoint "
"and content_claim.stream_hash in {} order by c.rowid desc",
stream_hashes)
channel_id_infos = {}
for claim_info in claim_infos:
if claim_info[7]:
streams = channel_id_infos.get(claim_info[7], [])
streams.append(claim_info[0])
channel_id_infos[claim_info[7]] = streams
stream_hash = claim_info[0]
result = _format_claim_response(*claim_info[1:])
results[stream_hash] = result
channel_names = _batched_select(
transaction,
"select claim_id, claim_name from claim where claim_id in {}",
tuple(channel_id_infos.keys())
)
for claim_id, channel_name in channel_names:
for stream_hash in channel_id_infos[claim_id]:
results[stream_hash]['channel_name'] = channel_name
return results
claims = await self.db.run(_batch_get_claim)
if include_supports:
all_supports = {}
for support in await self.get_supports(*[claim['claim_id'] for claim in claims.values()]):
all_supports.setdefault(support['claim_id'], []).append(support)
for stream_hash in claims.keys():
claim = claims[stream_hash]
supports = all_supports.get(claim['claim_id'], [])
claim['supports'] = supports claim['supports'] = supports
claim['effective_amount'] = calculate_effective_amount(claim['amount'], supports) claim['effective_amount'] = calculate_effective_amount(claim['amount'], supports)
claims[stream_hash] = claim return claim
return claims
async def get_claims_from_stream_hashes(self, stream_hashes: typing.List[str],
include_supports: typing.Optional[bool] = True):
claims = await self.db.run(get_claims_from_stream_hashes, stream_hashes)
return {stream_hash: claim_info.as_dict() for stream_hash, claim_info in claims.items()}
async def get_claim(self, claim_outpoint, include_supports=True): async def get_claim(self, claim_outpoint, include_supports=True):
def _get_claim(transaction): claim_info = await self.db.run(get_content_claim_from_outpoint, claim_outpoint)
claim_info = transaction.execute( if not claim_info:
"select c.*, " return
"case when c.channel_claim_id is not null then " result = claim_info.as_dict()
"(select claim_name from claim where claim_id==c.channel_claim_id) "
"else null end as channel_name from claim c where claim_outpoint = ?",
(claim_outpoint,)
).fetchone()
channel_name = claim_info[-1]
result = _format_claim_response(*claim_info[:-1])
if channel_name:
result['channel_name'] = channel_name
return result
result = await self.db.run(_get_claim)
if include_supports: if include_supports:
result['supports'] = await self.get_supports(result['claim_id']) supports = await self.get_supports(result['claim_id'])
result['effective_amount'] = calculate_effective_amount(result['amount'], result['supports']) result['supports'] = supports
result['effective_amount'] = calculate_effective_amount(result['amount'], supports)
return result return result
def get_unknown_certificate_ids(self): def get_unknown_certificate_ids(self):
@ -800,29 +655,3 @@ class SQLiteStorage(SQLiteMixin):
"where r.timestamp is null or r.timestamp < ?", "where r.timestamp is null or r.timestamp < ?",
self.loop.time() - self.conf.auto_re_reflect_interval self.loop.time() - self.conf.auto_re_reflect_interval
) )
# Helper functions
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(unhexlify(serialized)).claim_dict,
"height": height,
"amount": dewies_to_lbc(amount),
"nout": int(outpoint.split(":")[1]),
"txid": outpoint.split(":")[0],
"channel_claim_id": channel_id,
"channel_name": None
}
return r
def _batched_select(transaction, query, parameters):
for start_index in range(0, len(parameters), 900):
current_batch = parameters[start_index:start_index+900]
bind = "({})".format(','.join(['?'] * len(current_batch)))
for result in transaction.execute(query.format(bind), current_batch):
yield result