forked from LBRYCommunity/lbry-sdk
219 lines
8.6 KiB
Python
219 lines
8.6 KiB
Python
import os
|
|
import asyncio
|
|
from typing import List, Optional, Tuple, Iterable
|
|
from concurrent.futures import Executor, ThreadPoolExecutor, ProcessPoolExecutor
|
|
from functools import partial
|
|
|
|
from sqlalchemy import create_engine, text
|
|
|
|
from lbry.crypto.bip32 import PubKey
|
|
from lbry.blockchain.ledger import Ledger
|
|
from lbry.blockchain.transaction import Transaction, Output
|
|
from .constants import TXO_TYPES, CLAIM_TYPE_CODES
|
|
from . import queries as q
|
|
|
|
|
|
def clean_wallet_account_ids(constraints):
|
|
wallet = constraints.pop('wallet', None)
|
|
account = constraints.pop('account', None)
|
|
accounts = constraints.pop('accounts', [])
|
|
if account and not accounts:
|
|
accounts = [account]
|
|
if wallet:
|
|
constraints['wallet_account_ids'] = [account.id for account in wallet.accounts]
|
|
if not accounts:
|
|
accounts = wallet.accounts
|
|
if accounts:
|
|
constraints['account_ids'] = [account.id for account in accounts]
|
|
|
|
|
|
def add_channel_keys_to_txo_results(accounts: List, txos: Iterable[Output]):
|
|
sub_channels = set()
|
|
for txo in txos:
|
|
if txo.claim.is_channel:
|
|
for account in accounts:
|
|
private_key = account.get_channel_private_key(
|
|
txo.claim.channel.public_key_bytes
|
|
)
|
|
if private_key:
|
|
txo.private_key = private_key
|
|
break
|
|
if txo.channel is not None:
|
|
sub_channels.add(txo.channel)
|
|
if sub_channels:
|
|
add_channel_keys_to_txo_results(accounts, sub_channels)
|
|
|
|
|
|
class Database:
|
|
|
|
def __init__(self, ledger: Ledger, url: str, multiprocess=False):
|
|
self.url = url
|
|
self.ledger = ledger
|
|
self.multiprocess = multiprocess
|
|
self.executor: Optional[Executor] = None
|
|
|
|
def sync_create(self, name):
|
|
engine = create_engine(self.url)
|
|
db = engine.connect()
|
|
db.execute(text("COMMIT"))
|
|
db.execute(text(f"CREATE DATABASE {name}"))
|
|
|
|
async def create(self, name):
|
|
return await asyncio.get_event_loop().run_in_executor(None, self.sync_create, name)
|
|
|
|
def sync_drop(self, name):
|
|
engine = create_engine(self.url)
|
|
db = engine.connect()
|
|
db.execute(text("COMMIT"))
|
|
db.execute(text(f"DROP DATABASE IF EXISTS {name}"))
|
|
|
|
async def drop(self, name):
|
|
return await asyncio.get_event_loop().run_in_executor(None, self.sync_drop, name)
|
|
|
|
async def open(self):
|
|
assert self.executor is None, "Database already open."
|
|
kwargs = dict(
|
|
initializer=q.initialize,
|
|
initargs=(self.url, self.ledger)
|
|
)
|
|
if self.multiprocess:
|
|
self.executor = ProcessPoolExecutor(
|
|
max_workers=max(os.cpu_count()-1, 4), **kwargs
|
|
)
|
|
else:
|
|
self.executor = ThreadPoolExecutor(
|
|
max_workers=1, **kwargs
|
|
)
|
|
return await self.run_in_executor(q.check_version_and_create_tables)
|
|
|
|
async def close(self):
|
|
if self.executor is not None:
|
|
self.executor.shutdown()
|
|
self.executor = None
|
|
|
|
async def run_in_executor(self, func, *args, **kwargs):
|
|
if kwargs:
|
|
clean_wallet_account_ids(kwargs)
|
|
return await asyncio.get_event_loop().run_in_executor(
|
|
self.executor, partial(func, *args, **kwargs)
|
|
)
|
|
|
|
async def execute_fetchall(self, sql):
|
|
return await self.run_in_executor(q.execute_fetchall, sql)
|
|
|
|
async def get_best_height(self):
|
|
return await self.run_in_executor(q.get_best_height)
|
|
|
|
async def get_blocks_without_filters(self):
|
|
return await self.run_in_executor(q.get_blocks_without_filters)
|
|
|
|
async def get_transactions_without_filters(self):
|
|
return await self.run_in_executor(q.get_transactions_without_filters)
|
|
|
|
async def get_block_tx_addresses(self, block_hash=None, tx_hash=None):
|
|
return await self.run_in_executor(q.get_block_tx_addresses, block_hash, tx_hash)
|
|
|
|
async def get_block_address_filters(self):
|
|
return await self.run_in_executor(q.get_block_address_filters)
|
|
|
|
async def get_transaction_address_filters(self, block_hash):
|
|
return await self.run_in_executor(q.get_transaction_address_filters, block_hash)
|
|
|
|
async def insert_transaction(self, tx):
|
|
return await self.run_in_executor(q.insert_transaction, tx)
|
|
|
|
async def update_address_used_times(self, addresses):
|
|
return await self.run_in_executor(q.update_address_used_times, addresses)
|
|
|
|
async def reserve_outputs(self, txos, is_reserved=True):
|
|
txo_hashes = [txo.hash for txo in txos]
|
|
if txo_hashes:
|
|
return await self.run_in_executor(
|
|
q.reserve_outputs, txo_hashes, is_reserved
|
|
)
|
|
|
|
async def release_outputs(self, txos):
|
|
return await self.reserve_outputs(txos, is_reserved=False)
|
|
|
|
async def release_tx(self, tx):
|
|
return await self.release_outputs([txi.txo_ref.txo for txi in tx.inputs])
|
|
|
|
async def release_all_outputs(self, account):
|
|
return await self.run_in_executor(q.release_all_outputs, account.id)
|
|
|
|
async def get_balance(self, **constraints):
|
|
return await self.run_in_executor(q.get_balance, **constraints)
|
|
|
|
async def get_supports_summary(self, **constraints):
|
|
return await self.run_in_executor(self.get_supports_summary, **constraints)
|
|
|
|
async def get_addresses(self, **constraints) -> Tuple[List[dict], Optional[int]]:
|
|
addresses, count = await self.run_in_executor(q.get_addresses, **constraints)
|
|
if addresses and 'pubkey' in addresses[0]:
|
|
for address in addresses:
|
|
address['pubkey'] = PubKey(
|
|
self.ledger, bytes(address.pop('pubkey')), bytes(address.pop('chain_code')),
|
|
address.pop('n'), address.pop('depth')
|
|
)
|
|
return addresses, count
|
|
|
|
async def get_all_addresses(self):
|
|
return await self.run_in_executor(q.get_all_addresses)
|
|
|
|
async def get_address(self, **constraints):
|
|
addresses, _ = await self.get_addresses(limit=1, **constraints)
|
|
if addresses:
|
|
return addresses[0]
|
|
|
|
async def add_keys(self, account, chain, pubkeys):
|
|
return await self.run_in_executor(q.add_keys, account, chain, pubkeys)
|
|
|
|
async def get_raw_transactions(self, tx_hashes):
|
|
return await self.run_in_executor(q.get_raw_transactions, tx_hashes)
|
|
|
|
async def get_transactions(self, **constraints) -> Tuple[List[Transaction], Optional[int]]:
|
|
return await self.run_in_executor(q.get_transactions, **constraints)
|
|
|
|
async def get_transaction(self, **constraints) -> Optional[Transaction]:
|
|
txs, _ = await self.get_transactions(limit=1, **constraints)
|
|
if txs:
|
|
return txs[0]
|
|
|
|
async def get_purchases(self, **constraints) -> Tuple[List[Output], Optional[int]]:
|
|
return await self.run_in_executor(q.get_purchases, **constraints)
|
|
|
|
async def search_claims(self, **constraints):
|
|
return await self.run_in_executor(q.search, **constraints)
|
|
|
|
async def get_txo_sum(self, **constraints):
|
|
return await self.run_in_executor(q.get_txo_sum, **constraints)
|
|
|
|
async def get_txo_plot(self, **constraints):
|
|
return await self.run_in_executor(q.get_txo_plot, **constraints)
|
|
|
|
async def get_txos(self, **constraints) -> Tuple[List[Output], Optional[int]]:
|
|
txos = await self.run_in_executor(q.get_txos, **constraints)
|
|
if 'wallet' in constraints:
|
|
add_channel_keys_to_txo_results(constraints['wallet'], txos)
|
|
return txos
|
|
|
|
async def get_utxos(self, **constraints) -> Tuple[List[Output], Optional[int]]:
|
|
return await self.get_txos(is_spent=False, **constraints)
|
|
|
|
async def get_supports(self, **constraints) -> Tuple[List[Output], Optional[int]]:
|
|
return await self.get_utxos(txo_type=TXO_TYPES['support'], **constraints)
|
|
|
|
async def get_claims(self, **constraints) -> Tuple[List[Output], Optional[int]]:
|
|
txos, count = await self.run_in_executor(q.get_claims, **constraints)
|
|
if 'wallet' in constraints:
|
|
add_channel_keys_to_txo_results(constraints['wallet'].accounts, txos)
|
|
return txos, count
|
|
|
|
async def get_streams(self, **constraints) -> Tuple[List[Output], Optional[int]]:
|
|
return await self.get_claims(txo_type=TXO_TYPES['stream'], **constraints)
|
|
|
|
async def get_channels(self, **constraints) -> Tuple[List[Output], Optional[int]]:
|
|
return await self.get_claims(txo_type=TXO_TYPES['channel'], **constraints)
|
|
|
|
async def get_collections(self, **constraints) -> Tuple[List[Output], Optional[int]]:
|
|
return await self.get_claims(txo_type=TXO_TYPES['collection'], **constraints)
|