forked from LBRYCommunity/lbry-sdk
update SQLiteStorage
This commit is contained in:
Jack Robison
Lex Berezhny
parent
30689bbf8d
commit
db75f0baef
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@ -1,18 +1,22 @@
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import asyncio
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import logging
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import os
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import traceback
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import sqlite3
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import typing
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from binascii import hexlify, unhexlify
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from lbrynet.extras.wallet.dewies import dewies_to_lbc, lbc_to_dewies
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import asyncio
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import binascii
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from torba.client.basedatabase import SQLiteMixin
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from lbrynet.conf import Config
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from lbrynet.extras.wallet.dewies import dewies_to_lbc, lbc_to_dewies
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from lbrynet.schema.claim import ClaimDict
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from lbrynet.schema.decode import smart_decode
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from lbrynet.blob.CryptBlob import CryptBlobInfo
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from lbrynet.dht.constants import dataExpireTimeout
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from torba.client.basedatabase import SQLiteMixin
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from lbrynet.dht.constants import data_expiration
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if typing.TYPE_CHECKING:
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from lbrynet.blob.blob_file import BlobFile
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from lbrynet.stream.descriptor import StreamDescriptor
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log = logging.getLogger(__name__)
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opt_str = typing.Optional[str]
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opt_int = typing.Optional[int]
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def calculate_effective_amount(amount: str, supports: typing.Optional[typing.List[typing.Dict]] = None) -> str:
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@ -21,50 +25,97 @@ def calculate_effective_amount(amount: str, supports: typing.Optional[typing.Lis
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)
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def _get_next_available_file_name(download_directory, file_name):
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base_name, ext = os.path.splitext(file_name)
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i = 0
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while os.path.isfile(os.path.join(download_directory, file_name)):
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i += 1
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file_name = "%s_%i%s" % (base_name, i, ext)
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return os.path.join(download_directory, file_name)
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class StoredStreamClaim:
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def __init__(self, stream_hash: str, outpoint: opt_str = None, claim_id: opt_str = None, name: opt_str = None,
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amount: opt_int = None, height: opt_int = None, serialized: opt_str = None,
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channel_claim_id: opt_str = None, address: opt_str = None, claim_sequence: opt_int = None,
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channel_name: opt_str = None):
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self.stream_hash = stream_hash
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self.claim_id = claim_id
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self.outpoint = outpoint
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self.claim_name = name
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self.amount = amount
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self.height = height
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self.claim: typing.Optional[ClaimDict] = None if not serialized else smart_decode(serialized)
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self.claim_address = address
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self.claim_sequence = claim_sequence
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self.channel_claim_id = channel_claim_id
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self.channel_name = channel_name
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@property
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def txid(self) -> typing.Optional[str]:
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return None if not self.outpoint else self.outpoint.split(":")[0]
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@property
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def nout(self) -> typing.Optional[int]:
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return None if not self.outpoint else int(self.outpoint.split(":")[1])
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@property
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def metadata(self) -> typing.Optional[typing.Dict]:
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return None if not self.claim else self.claim.claim_dict['stream']['metadata']
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def as_dict(self) -> typing.Dict:
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return {
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"name": self.claim_name,
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"claim_id": self.claim_id,
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"address": self.claim_address,
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"claim_sequence": self.claim_sequence,
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"value": self.claim,
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"height": self.height,
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"amount": dewies_to_lbc(self.amount),
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"nout": self.nout,
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"txid": self.txid,
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"channel_claim_id": self.channel_claim_id,
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"channel_name": self.channel_name
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}
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def _open_file_for_writing(download_directory, suggested_file_name):
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file_path = _get_next_available_file_name(download_directory, suggested_file_name)
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try:
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file_handle = open(file_path, 'wb')
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file_handle.close()
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except IOError:
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log.error(traceback.format_exc())
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raise ValueError(
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"Failed to open %s. Make sure you have permission to save files to that location." % file_path
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)
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return os.path.basename(file_path)
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async def open_file_for_writing(download_directory: str, suggested_file_name: str) -> str:
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""" Used to touch the path of a file to be downloaded. """
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return await asyncio.get_event_loop().run_in_executor(
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None, _open_file_for_writing, download_directory, suggested_file_name
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def get_claims_from_stream_hashes(transaction: sqlite3.Connection,
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stream_hashes: typing.List[str]) -> typing.Dict[str, StoredStreamClaim]:
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query = (
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"select content_claim.stream_hash, c.*, case when c.channel_claim_id is not null then "
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" (select claim_name from claim where claim_id==c.channel_claim_id) "
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" else null end as channel_name "
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" from content_claim "
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" inner join claim c on c.claim_outpoint=content_claim.claim_outpoint and content_claim.stream_hash in {}"
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" order by c.rowid desc"
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)
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return {
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claim_info.stream_hash: claim_info
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for claim_info in [
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None if not claim_info else StoredStreamClaim(*claim_info)
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for claim_info in _batched_select(transaction, query, stream_hashes)
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]
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}
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async def looping_call(interval, fun):
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while True:
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try:
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await fun()
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except Exception as e:
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log.exception('Looping call experienced exception:', exc_info=e)
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await asyncio.sleep(interval)
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def get_content_claim_from_outpoint(transaction: sqlite3.Connection,
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outpoint: str) -> typing.Optional[StoredStreamClaim]:
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query = (
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"select content_claim.stream_hash, c.*, case when c.channel_claim_id is not null then "
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" (select claim_name from claim where claim_id==c.channel_claim_id) "
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" else null end as channel_name "
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" from content_claim "
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" inner join claim c on c.claim_outpoint=content_claim.claim_outpoint and content_claim.claim_outpoint=?"
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)
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claim_fields = transaction.execute(query, (outpoint, )).fetchone()
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if claim_fields:
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return StoredStreamClaim(*claim_fields)
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def _batched_select(transaction, query, parameters):
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for start_index in range(0, len(parameters), 900):
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current_batch = parameters[start_index:start_index+900]
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bind = "({})".format(','.join(['?'] * len(current_batch)))
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for result in transaction.execute(query.format(bind), current_batch):
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yield result
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class SQLiteStorage(SQLiteMixin):
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CREATE_TABLES_QUERY = """
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pragma foreign_keys=on;
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pragma journal_mode=WAL;
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create table if not exists blob (
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blob_hash char(96) primary key not null,
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blob_length integer not null,
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@ -74,7 +125,7 @@ class SQLiteStorage(SQLiteMixin):
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last_announced_time integer,
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single_announce integer
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);
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create table if not exists stream (
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stream_hash char(96) not null primary key,
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sd_hash char(96) not null references blob,
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@ -82,7 +133,7 @@ class SQLiteStorage(SQLiteMixin):
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stream_name text not null,
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suggested_filename text not null
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);
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create table if not exists stream_blob (
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stream_hash char(96) not null references stream,
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blob_hash char(96) references blob,
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@ -90,7 +141,7 @@ class SQLiteStorage(SQLiteMixin):
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iv char(32) not null,
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primary key (stream_hash, blob_hash)
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);
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create table if not exists claim (
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claim_outpoint text not null primary key,
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claim_id char(40) not null,
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@ -110,20 +161,20 @@ class SQLiteStorage(SQLiteMixin):
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blob_data_rate real not null,
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status text not null
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);
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create table if not exists content_claim (
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stream_hash text unique not null references file,
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claim_outpoint text not null references claim,
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primary key (stream_hash, claim_outpoint)
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);
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create table if not exists support (
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support_outpoint text not null primary key,
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claim_id text not null,
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amount integer not null,
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address text not null
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);
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create table if not exists reflected_stream (
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sd_hash text not null,
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reflector_address text not null,
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@ -136,21 +187,8 @@ class SQLiteStorage(SQLiteMixin):
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super().__init__(path)
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self.conf = conf
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self.content_claim_callbacks = {}
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self.check_should_announce_lc = None
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self.loop = loop or asyncio.get_event_loop()
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async def open(self):
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await super().open()
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if 'reflector' not in self.conf.components_to_skip:
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self.check_should_announce_lc = looping_call(
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600, self.verify_will_announce_all_head_and_sd_blobs
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)
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async def close(self):
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if self.check_should_announce_lc is not None:
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self.check_should_announce_lc.close()
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await super().close()
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async def run_and_return_one_or_none(self, query, *args):
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for row in await self.db.execute_fetchall(query, args):
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if len(row) == 1:
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@ -161,33 +199,29 @@ class SQLiteStorage(SQLiteMixin):
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rows = list(await self.db.execute_fetchall(query, args))
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return [col[0] for col in rows] if rows else []
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async def run_and_return_id(self, query, *args):
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return (await self.db.execute(query, args)).lastrowid
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# # # # # # # # # blob functions # # # # # # # # #
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def add_completed_blob(self, blob_hash, length, next_announce_time, should_announce, status="finished"):
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log.debug("Adding a completed blob. blob_hash=%s, length=%i", blob_hash, length)
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values = (blob_hash, length, next_announce_time or 0, int(bool(should_announce)), status, 0, 0)
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return self.db.execute("insert or replace into blob values (?, ?, ?, ?, ?, ?, ?)", values)
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def add_completed_blob(self, blob_hash: str):
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log.debug("Adding a completed blob. blob_hash=%s", blob_hash)
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return self.db.execute("update blob set status='finished' where blob.blob_hash=?", (blob_hash, ))
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def set_should_announce(self, blob_hash, next_announce_time, should_announce):
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def set_should_announce(self, blob_hash: str, next_announce_time: int, should_announce: int):
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return self.db.execute(
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"update blob set next_announce_time=?, should_announce=? where blob_hash=?",
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(next_announce_time or 0, int(bool(should_announce)), blob_hash)
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)
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def get_blob_status(self, blob_hash):
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def get_blob_status(self, blob_hash: str):
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return self.run_and_return_one_or_none(
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"select status from blob where blob_hash=?", blob_hash
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)
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def add_known_blob(self, blob_hash, length):
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def add_known_blob(self, blob_hash: str, length: int):
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return self.db.execute(
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"insert or ignore into blob values (?, ?, ?, ?, ?, ?, ?)", (blob_hash, length, 0, 0, "pending", 0, 0)
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)
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def should_announce(self, blob_hash):
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def should_announce(self, blob_hash: str):
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return self.run_and_return_one_or_none(
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"select should_announce from blob where blob_hash=?", blob_hash
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)
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@ -202,22 +236,25 @@ class SQLiteStorage(SQLiteMixin):
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"select blob_hash from blob where should_announce=1 and status='finished'"
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)
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async def get_all_finished_blobs(self):
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blob_hashes = await self.run_and_return_list(
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def get_all_finished_blobs(self):
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return self.run_and_return_list(
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"select blob_hash from blob where status='finished'"
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)
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return [unhexlify(blob_hash) for blob_hash in blob_hashes]
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def count_finished_blobs(self):
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return self.run_and_return_one_or_none(
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"select count(*) from blob where status='finished'"
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)
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def update_last_announced_blob(self, blob_hash, last_announced):
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return self.db.execute(
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"update blob set next_announce_time=?, last_announced_time=?, single_announce=0 where blob_hash=?",
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(int(last_announced + (dataExpireTimeout / 2)), int(last_announced), blob_hash)
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)
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def update_last_announced_blobs(self, blob_hashes: typing.List[str], last_announced: float):
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def _update_last_announced_blobs(transaction: sqlite3.Connection):
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return transaction.executemany(
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"update blob set next_announce_time=?, last_announced_time=?, single_announce=0 "
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"where blob_hash=?",
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[(int(last_announced + (data_expiration / 2)), int(last_announced), blob_hash)
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for blob_hash in blob_hashes]
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)
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return self.db.run(_update_last_announced_blobs)
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def should_single_announce_blobs(self, blob_hashes, immediate=False):
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def set_single_announce(transaction):
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@ -230,7 +267,7 @@ class SQLiteStorage(SQLiteMixin):
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)
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else:
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transaction.execute(
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"update blob set single_announce=1 where blob_hash=? and status='finished'", (blob_hash, )
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"update blob set single_announce=1 where blob_hash=? and status='finished'", (blob_hash,)
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)
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return self.db.run(set_single_announce)
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@ -255,203 +292,87 @@ class SQLiteStorage(SQLiteMixin):
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def delete_blobs_from_db(self, blob_hashes):
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def delete_blobs(transaction):
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for blob_hash in blob_hashes:
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transaction.execute("delete from blob where blob_hash=?;", (blob_hash,))
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transaction.executemany(
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"delete from blob where blob_hash=?;", [(blob_hash,) for blob_hash in blob_hashes]
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)
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return self.db.run(delete_blobs)
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def get_all_blob_hashes(self):
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return self.run_and_return_list("select blob_hash from blob")
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# # # # # # # # # stream blob functions # # # # # # # # #
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def add_blobs_to_stream(self, stream_hash, blob_infos):
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def _add_stream_blobs(transaction):
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for blob_info in blob_infos:
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transaction.execute("insert into stream_blob values (?, ?, ?, ?)",
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(stream_hash, blob_info.get('blob_hash', None),
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blob_info['blob_num'], blob_info['iv']))
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return self.db.run(_add_stream_blobs)
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async def add_known_blobs(self, blob_infos):
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for blob_info in blob_infos:
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if blob_info.get('blob_hash') and blob_info['length']:
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await self.add_known_blob(blob_info['blob_hash'], blob_info['length'])
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def verify_will_announce_head_and_sd_blobs(self, stream_hash):
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# fix should_announce for imported head and sd blobs
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return self.db.execute(
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"update blob set should_announce=1 "
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"where should_announce=0 and "
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"blob.blob_hash in "
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" (select b.blob_hash from blob b inner join stream s on b.blob_hash=s.sd_hash and s.stream_hash=?) "
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"or blob.blob_hash in "
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" (select b.blob_hash from blob b "
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" inner join stream_blob s2 on b.blob_hash=s2.blob_hash and s2.position=0 and s2.stream_hash=?)",
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(stream_hash, stream_hash)
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)
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def verify_will_announce_all_head_and_sd_blobs(self):
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return self.db.execute(
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"update blob set should_announce=1 "
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"where should_announce=0 and "
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"blob.blob_hash in "
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" (select b.blob_hash from blob b inner join stream s on b.blob_hash=s.sd_hash) "
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"or blob.blob_hash in "
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" (select b.blob_hash from blob b "
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" inner join stream_blob s2 on b.blob_hash=s2.blob_hash and s2.position=0)"
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)
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# # # # # # # # # stream functions # # # # # # # # #
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def store_stream(self, stream_hash, sd_hash, stream_name, stream_key, suggested_file_name,
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stream_blob_infos):
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"""
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Add a stream to the stream table
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async def stream_exists(self, sd_hash: str) -> bool:
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streams = await self.run_and_return_one_or_none("select stream_hash from stream where sd_hash=?", sd_hash)
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return streams is not None
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:param stream_hash: hash of the assembled stream
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:param sd_hash: hash of the sd blob
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:param stream_key: blob decryption key
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:param stream_name: the name of the file the stream was generated from
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:param suggested_file_name: (str) suggested file name for stream
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:param stream_blob_infos: (list) of blob info dictionaries
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:return: (defer.Deferred)
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"""
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def _store_stream(transaction):
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async def file_exists(self, sd_hash: str) -> bool:
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streams = await self.run_and_return_one_or_none("select f.stream_hash from file f "
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"inner join stream s on "
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"s.stream_hash=f.stream_hash and s.sd_hash=?", sd_hash)
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return streams is not None
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def store_stream(self, sd_blob: 'BlobFile', descriptor: 'StreamDescriptor'):
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def _store_stream(transaction: sqlite3.Connection):
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# add the head blob and set it to be announced
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transaction.execute(
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"insert into stream values (?, ?, ?, ?, ?);", (
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stream_hash, sd_hash, stream_key, stream_name, suggested_file_name
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"insert or ignore into blob values (?, ?, ?, ?, ?, ?, ?), (?, ?, ?, ?, ?, ?, ?)",
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(
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sd_blob.blob_hash, sd_blob.length, 0, 1, "pending", 0, 0,
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descriptor.blobs[0].blob_hash, descriptor.blobs[0].length, 0, 1, "pending", 0, 0
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)
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)
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for blob_info in stream_blob_infos:
|
||||
transaction.execute(
|
||||
"insert into stream_blob values (?, ?, ?, ?)", (
|
||||
stream_hash, blob_info.get('blob_hash', None),
|
||||
blob_info['blob_num'], blob_info['iv']
|
||||
)
|
||||
# add the rest of the blobs with announcement off
|
||||
if len(descriptor.blobs) > 2:
|
||||
transaction.executemany(
|
||||
"insert or ignore into blob values (?, ?, ?, ?, ?, ?, ?)",
|
||||
[(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)
|
||||
|
||||
async def delete_stream(self, stream_hash):
|
||||
sd_hash = await self.get_sd_blob_hash_for_stream(stream_hash)
|
||||
stream_blobs = await self.get_blobs_for_stream(stream_hash)
|
||||
blob_hashes = [b.blob_hash for b in stream_blobs if b.blob_hash is not None]
|
||||
|
||||
def _delete_stream(transaction):
|
||||
transaction.execute("delete from content_claim where stream_hash=? ", (stream_hash,))
|
||||
transaction.execute("delete from file where stream_hash=? ", (stream_hash, ))
|
||||
transaction.execute("delete from stream_blob where stream_hash=?", (stream_hash, ))
|
||||
transaction.execute("delete from stream where stream_hash=? ", (stream_hash, ))
|
||||
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
|
||||
)
|
||||
def delete_stream(self, descriptor: 'StreamDescriptor'):
|
||||
def _delete_stream(transaction: sqlite3.Connection):
|
||||
transaction.execute("delete from content_claim where stream_hash=? ", (descriptor.stream_hash,))
|
||||
transaction.execute("delete from file where stream_hash=? ", (descriptor.stream_hash, ))
|
||||
transaction.execute("delete from stream_blob where stream_hash=?", (descriptor.stream_hash, ))
|
||||
transaction.execute("delete from stream where stream_hash=? ", (descriptor.stream_hash, ))
|
||||
transaction.execute("delete from blob where blob_hash=?", (descriptor.sd_hash, ))
|
||||
transaction.executemany("delete from blob where blob_hash=?",
|
||||
[(blob.blob_hash, ) for blob in descriptor.blobs[:-1]])
|
||||
return self.db.run(_delete_stream)
|
||||
|
||||
# # # # # # # # # file stuff # # # # # # # # #
|
||||
|
||||
async def save_downloaded_file(self, stream_hash, file_name, download_directory, data_payment_rate):
|
||||
# touch the closest available file to the file name
|
||||
file_name = await open_file_for_writing(unhexlify(download_directory).decode(), unhexlify(file_name).decode())
|
||||
return await self.save_published_file(
|
||||
stream_hash, hexlify(file_name.encode()), download_directory, data_payment_rate
|
||||
def save_downloaded_file(self, stream_hash, file_name, download_directory, data_payment_rate):
|
||||
return self.save_published_file(
|
||||
stream_hash, binascii.hexlify(file_name.encode()).decode(),
|
||||
binascii.hexlify(download_directory.encode()).decode(), data_payment_rate,
|
||||
status="running"
|
||||
)
|
||||
|
||||
def save_published_file(self, stream_hash, file_name, download_directory, data_payment_rate, status="stopped"):
|
||||
return self.run_and_return_id(
|
||||
def save_published_file(self, stream_hash: str, file_name: str, download_directory: str, data_payment_rate: float,
|
||||
status="finished"):
|
||||
return self.db.execute(
|
||||
"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):
|
||||
return self.run_and_return_one_or_none(
|
||||
"select file_name from file where rowid=?", rowid
|
||||
)
|
||||
|
||||
def get_all_lbry_files(self):
|
||||
async def get_all_lbry_files(self) -> typing.List[typing.Dict]:
|
||||
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 {
|
||||
"row_id": rowid,
|
||||
"stream_hash": stream_hash,
|
||||
|
|
@ -465,36 +386,35 @@ class SQLiteStorage(SQLiteMixin):
|
|||
"suggested_file_name": suggested_file_name
|
||||
}
|
||||
|
||||
def _get_all_files(transaction):
|
||||
return [
|
||||
_lbry_file_dict(*file_info) for file_info in transaction.execute(
|
||||
"select file.rowid, file.*, stream.* "
|
||||
"from file inner join stream on file.stream_hash=stream.stream_hash"
|
||||
).fetchall()
|
||||
]
|
||||
def _get_all_files(transaction: sqlite3.Connection) -> typing.List[typing.Dict]:
|
||||
file_infos = list(map(lambda a: _lbry_file_dict(*a), transaction.execute(
|
||||
"select file.rowid, file.*, stream.* "
|
||||
"from file inner join stream on file.stream_hash=stream.stream_hash"
|
||||
).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):
|
||||
await self.db.execute("update file set status=? where rowid=?", (new_status, rowid))
|
||||
return new_status
|
||||
def change_file_status(self, stream_hash: str, new_status: str):
|
||||
log.info("update file status %s -> %s", stream_hash, new_status)
|
||||
return self.db.execute("update file set status=? where stream_hash=?", (new_status, stream_hash))
|
||||
|
||||
def get_lbry_file_status(self, rowid):
|
||||
return self.run_and_return_one_or_none(
|
||||
"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
|
||||
)
|
||||
def get_all_stream_hashes(self):
|
||||
return self.run_and_return_list("select stream_hash from stream")
|
||||
|
||||
# # # # # # # # # support functions # # # # # # # # #
|
||||
|
||||
def save_supports(self, claim_id, supports):
|
||||
# TODO: add 'address' to support items returned for a claim from lbrycrdd and lbryum-server
|
||||
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:
|
||||
transaction.execute(
|
||||
"insert into support values (?, ?, ?, ?)",
|
||||
|
|
@ -552,30 +472,32 @@ class SQLiteStorage(SQLiteMixin):
|
|||
source_hash = None
|
||||
except AttributeError:
|
||||
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(
|
||||
"insert or replace into claim values (?, ?, ?, ?, ?, ?, ?, ?, ?)",
|
||||
(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
|
||||
# support info
|
||||
# if this response doesn't have support info don't overwrite the existing
|
||||
# support info
|
||||
if 'supports' in claim_info:
|
||||
support_callbacks.append((claim_id, claim_info['supports']))
|
||||
if not source_hash:
|
||||
continue
|
||||
stream_hash = transaction.execute(
|
||||
"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()
|
||||
if not stream_hash:
|
||||
continue
|
||||
stream_hash = stream_hash[0]
|
||||
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(
|
||||
"select claim_id from claim "
|
||||
"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:
|
||||
content_claims_to_update.append((stream_hash, outpoint))
|
||||
|
|
@ -607,14 +529,6 @@ class SQLiteStorage(SQLiteMixin):
|
|||
to_save.append(info['claim'])
|
||||
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
|
||||
def _save_content_claim(transaction, claim_outpoint, stream_hash):
|
||||
# get the claim id and serialized metadata
|
||||
|
|
@ -623,7 +537,7 @@ class SQLiteStorage(SQLiteMixin):
|
|||
).fetchone()
|
||||
if not claim_info:
|
||||
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
|
||||
if not claim.is_stream:
|
||||
|
|
@ -661,90 +575,31 @@ class SQLiteStorage(SQLiteMixin):
|
|||
if stream_hash in self.content_claim_callbacks:
|
||||
await self.content_claim_callbacks[stream_hash]()
|
||||
|
||||
async def get_content_claim(self, stream_hash, include_supports=True):
|
||||
def _get_claim_from_stream_hash(transaction):
|
||||
claim_info = transaction.execute(
|
||||
"select c.*, "
|
||||
"case when c.channel_claim_id is not null then "
|
||||
"(select claim_name from claim where claim_id==c.channel_claim_id) "
|
||||
"else null end as channel_name from content_claim "
|
||||
"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'], [])
|
||||
async def get_content_claim(self, stream_hash: str, include_supports: typing.Optional[bool] = True) -> typing.Dict:
|
||||
claims = await self.db.run(get_claims_from_stream_hashes, [stream_hash])
|
||||
claim = None
|
||||
if claims:
|
||||
claim = claims[stream_hash].as_dict()
|
||||
if include_supports:
|
||||
supports = await self.get_supports(claim['claim_id'])
|
||||
claim['supports'] = supports
|
||||
claim['effective_amount'] = calculate_effective_amount(claim['amount'], supports)
|
||||
claims[stream_hash] = claim
|
||||
return claims
|
||||
return claim
|
||||
|
||||
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):
|
||||
def _get_claim(transaction):
|
||||
claim_info = transaction.execute(
|
||||
"select c.*, "
|
||||
"case when c.channel_claim_id is not null then "
|
||||
"(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)
|
||||
claim_info = await self.db.run(get_content_claim_from_outpoint, claim_outpoint)
|
||||
if not claim_info:
|
||||
return
|
||||
result = claim_info.as_dict()
|
||||
if include_supports:
|
||||
result['supports'] = await self.get_supports(result['claim_id'])
|
||||
result['effective_amount'] = calculate_effective_amount(result['amount'], result['supports'])
|
||||
supports = await self.get_supports(result['claim_id'])
|
||||
result['supports'] = supports
|
||||
result['effective_amount'] = calculate_effective_amount(result['amount'], supports)
|
||||
return result
|
||||
|
||||
def get_unknown_certificate_ids(self):
|
||||
|
|
@ -800,29 +655,3 @@ class SQLiteStorage(SQLiteMixin):
|
|||
"where r.timestamp is null or r.timestamp < ?",
|
||||
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
|
||||
|
|
|
|||
Loading…
Reference in a new issue