forked from LBRYCommunity/lbry-sdk
304 lines
11 KiB
Python
304 lines
11 KiB
Python
import logging
|
|
from typing import List, Union
|
|
from operator import itemgetter
|
|
|
|
import sqlite3
|
|
from twisted.internet import defer
|
|
from twisted.enterprise import adbapi
|
|
|
|
import torba.baseaccount
|
|
|
|
log = logging.getLogger(__name__)
|
|
|
|
|
|
class SQLiteMixin(object):
|
|
|
|
CREATE_TABLES_QUERY = None
|
|
|
|
def __init__(self, path):
|
|
self._db_path = path
|
|
self.db = None
|
|
|
|
def start(self):
|
|
log.info("connecting to database: %s", self._db_path)
|
|
self.db = adbapi.ConnectionPool(
|
|
'sqlite3', self._db_path, cp_min=1, cp_max=1, check_same_thread=False
|
|
)
|
|
return self.db.runInteraction(
|
|
lambda t: t.executescript(self.CREATE_TABLES_QUERY)
|
|
)
|
|
|
|
def stop(self):
|
|
self.db.close()
|
|
return defer.succeed(True)
|
|
|
|
def _debug_sql(self, sql):
|
|
""" For use during debugging to execute arbitrary SQL queries without waiting on reactor. """
|
|
conn = self.db.connectionFactory(self.db)
|
|
trans = self.db.transactionFactory(self, conn)
|
|
return trans.execute(sql).fetchall()
|
|
|
|
def _insert_sql(self, table, data):
|
|
# type: (str, dict) -> tuple[str, List]
|
|
columns, values = [], []
|
|
for column, value in data.items():
|
|
columns.append(column)
|
|
values.append(value)
|
|
sql = "REPLACE INTO {} ({}) VALUES ({})".format(
|
|
table, ', '.join(columns), ', '.join(['?'] * len(values))
|
|
)
|
|
return sql, values
|
|
|
|
@defer.inlineCallbacks
|
|
def query_one_value_list(self, query, params):
|
|
# type: (str, Union[dict,tuple]) -> defer.Deferred[List]
|
|
result = yield self.db.runQuery(query, params)
|
|
if result:
|
|
defer.returnValue([i[0] for i in result])
|
|
else:
|
|
defer.returnValue([])
|
|
|
|
@defer.inlineCallbacks
|
|
def query_one_value(self, query, params=None, default=None):
|
|
result = yield self.db.runQuery(query, params)
|
|
if result:
|
|
defer.returnValue(result[0][0])
|
|
else:
|
|
defer.returnValue(default)
|
|
|
|
@defer.inlineCallbacks
|
|
def query_dict_value_list(self, query, fields, params=None):
|
|
result = yield self.db.runQuery(query.format(', '.join(fields)), params)
|
|
if result:
|
|
defer.returnValue([dict(zip(fields, r)) for r in result])
|
|
else:
|
|
defer.returnValue([])
|
|
|
|
@defer.inlineCallbacks
|
|
def query_dict_value(self, query, fields, params=None, default=None):
|
|
result = yield self.query_dict_value_list(query, fields, params)
|
|
if result:
|
|
defer.returnValue(result[0])
|
|
else:
|
|
defer.returnValue(default)
|
|
|
|
def query_count(self, sql, params):
|
|
return self.query_one_value(
|
|
"SELECT count(*) FROM ({})".format(sql), params
|
|
)
|
|
|
|
def insert_and_return_id(self, table, data):
|
|
def do_insert(t):
|
|
t.execute(*self._insert_sql(table, data))
|
|
return t.lastrowid
|
|
return self.db.runInteraction(do_insert)
|
|
|
|
|
|
class BaseDatabase(SQLiteMixin):
|
|
|
|
CREATE_TX_TABLE = """
|
|
create table if not exists tx (
|
|
txhash blob primary key,
|
|
raw blob not null,
|
|
height integer not null,
|
|
is_verified boolean not null default false
|
|
);
|
|
"""
|
|
|
|
CREATE_PUBKEY_ADDRESS_TABLE = """
|
|
create table if not exists pubkey_address (
|
|
address blob primary key,
|
|
account blob not null,
|
|
chain integer not null,
|
|
position integer not null,
|
|
pubkey blob not null,
|
|
history text,
|
|
used_times integer not null default 0
|
|
);
|
|
"""
|
|
|
|
CREATE_TXO_TABLE = """
|
|
create table if not exists txo (
|
|
txoid integer primary key,
|
|
txhash blob references tx,
|
|
address blob references pubkey_address,
|
|
position integer not null,
|
|
amount integer not null,
|
|
script blob not null
|
|
);
|
|
"""
|
|
|
|
CREATE_TXI_TABLE = """
|
|
create table if not exists txi (
|
|
txhash blob references tx,
|
|
address blob references pubkey_address,
|
|
txoid integer references txo
|
|
);
|
|
"""
|
|
|
|
CREATE_TABLES_QUERY = (
|
|
CREATE_TX_TABLE +
|
|
CREATE_PUBKEY_ADDRESS_TABLE +
|
|
CREATE_TXO_TABLE +
|
|
CREATE_TXI_TABLE
|
|
)
|
|
|
|
def add_transaction(self, address, hash, tx, height, is_verified):
|
|
def _steps(t):
|
|
current_height = t.execute("SELECT height FROM tx WHERE txhash=?", (sqlite3.Binary(tx.hash),)).fetchone()
|
|
if current_height is None:
|
|
t.execute(*self._insert_sql('tx', {
|
|
'txhash': sqlite3.Binary(tx.hash),
|
|
'raw': sqlite3.Binary(tx.raw),
|
|
'height': height,
|
|
'is_verified': is_verified
|
|
}))
|
|
elif current_height[0] != height:
|
|
t.execute("UPDATE tx SET height = :height WHERE txhash = :txhash", {
|
|
'txhash': sqlite3.Binary(tx.hash),
|
|
'height': height,
|
|
})
|
|
|
|
existing_txos = list(map(itemgetter(0), t.execute(
|
|
"SELECT position FROM txo WHERE txhash = ?",
|
|
(sqlite3.Binary(tx.hash),)
|
|
).fetchall()))
|
|
|
|
for txo in tx.outputs:
|
|
if txo.index in existing_txos:
|
|
continue
|
|
if txo.script.is_pay_pubkey_hash and txo.script.values['pubkey_hash'] == hash:
|
|
t.execute(*self._insert_sql("txo", {
|
|
'txhash': sqlite3.Binary(tx.hash),
|
|
'address': sqlite3.Binary(address),
|
|
'position': txo.index,
|
|
'amount': txo.amount,
|
|
'script': sqlite3.Binary(txo.script.source)
|
|
}))
|
|
elif txo.script.is_pay_script_hash:
|
|
# TODO: implement script hash payments
|
|
print('Database.add_transaction pay script hash is not implemented!')
|
|
|
|
existing_txis = [txi[0] for txi in t.execute(
|
|
"SELECT txoid FROM txi WHERE txhash = ? AND address = ?",
|
|
(sqlite3.Binary(tx.hash), sqlite3.Binary(address))).fetchall()]
|
|
|
|
for txi in tx.inputs:
|
|
txoid = t.execute(
|
|
"SELECT txoid FROM txo WHERE txhash = ? AND position = ?",
|
|
(sqlite3.Binary(txi.output_txhash), txi.output_index)
|
|
).fetchone()
|
|
if txoid is not None and txoid[0] not in existing_txis:
|
|
t.execute(*self._insert_sql("txi", {
|
|
'txhash': sqlite3.Binary(tx.hash),
|
|
'address': sqlite3.Binary(address),
|
|
'txoid': txoid[0],
|
|
}))
|
|
|
|
return self.db.runInteraction(_steps)
|
|
|
|
@defer.inlineCallbacks
|
|
def get_balance_for_account(self, account):
|
|
result = yield self.db.runQuery(
|
|
"""
|
|
SELECT SUM(amount) FROM txo
|
|
JOIN pubkey_address ON pubkey_address.address=txo.address
|
|
WHERE account=:account AND
|
|
txoid NOT IN (SELECT txoid FROM txi)
|
|
""",
|
|
{'account': sqlite3.Binary(account.public_key.address)}
|
|
)
|
|
if result:
|
|
defer.returnValue(result[0][0] or 0)
|
|
else:
|
|
defer.returnValue(0)
|
|
|
|
@defer.inlineCallbacks
|
|
def get_utxos(self, account, output_class):
|
|
utxos = yield self.db.runQuery(
|
|
"""
|
|
SELECT amount, script, txhash, txo.position
|
|
FROM txo JOIN pubkey_address ON pubkey_address.address=txo.address
|
|
WHERE account=:account AND txoid NOT IN (SELECT txoid FROM txi)
|
|
""",
|
|
{'account': sqlite3.Binary(account.public_key.address)}
|
|
)
|
|
defer.returnValue([
|
|
output_class(
|
|
values[0],
|
|
output_class.script_class(values[1]),
|
|
values[2],
|
|
index=values[3]
|
|
) for values in utxos
|
|
])
|
|
|
|
def add_keys(self, account, chain, keys):
|
|
sql = (
|
|
"insert into pubkey_address "
|
|
"(address, account, chain, position, pubkey) "
|
|
"values "
|
|
) + ', '.join(['(?, ?, ?, ?, ?)'] * len(keys))
|
|
values = []
|
|
for position, pubkey in keys:
|
|
values.append(sqlite3.Binary(pubkey.address))
|
|
values.append(sqlite3.Binary(account.public_key.address))
|
|
values.append(chain)
|
|
values.append(position)
|
|
values.append(sqlite3.Binary(pubkey.pubkey_bytes))
|
|
return self.db.runOperation(sql, values)
|
|
|
|
def get_addresses(self, account, chain, limit=None, details=False):
|
|
sql = ["SELECT {} FROM pubkey_address WHERE account = :account"]
|
|
params = {'account': sqlite3.Binary(account.public_key.address)}
|
|
if chain is not None:
|
|
sql.append("AND chain = :chain")
|
|
params['chain'] = chain
|
|
sql.append("ORDER BY position DESC")
|
|
if limit is not None:
|
|
sql.append("LIMIT {}".format(limit))
|
|
if details:
|
|
return self.query_dict_value_list(' '.join(sql), ('address', 'position', 'used_times'), params)
|
|
else:
|
|
return self.query_one_value_list(' '.join(sql).format('address'), params)
|
|
|
|
def _used_address_sql(self, account, chain, comparison_op, used_times, limit=None):
|
|
sql = [
|
|
"SELECT address FROM pubkey_address",
|
|
"WHERE account = :account AND"
|
|
]
|
|
params = {
|
|
'account': sqlite3.Binary(account.public_key.address),
|
|
'used_times': used_times
|
|
}
|
|
if chain is not None:
|
|
sql.append("chain = :chain AND")
|
|
params['chain'] = chain
|
|
sql.append("used_times {} :used_times".format(comparison_op))
|
|
sql.append("ORDER BY used_times ASC")
|
|
if limit is not None:
|
|
sql.append('LIMIT {}'.format(limit))
|
|
return ' '.join(sql), params
|
|
|
|
def get_unused_addresses(self, account, chain):
|
|
# type: (torba.baseaccount.BaseAccount, int) -> defer.Deferred[List[str]]
|
|
return self.query_one_value_list(*self._used_address_sql(
|
|
account, chain, '=', 0
|
|
))
|
|
|
|
def get_usable_addresses(self, account, chain, max_used_times, limit):
|
|
return self.query_one_value_list(*self._used_address_sql(
|
|
account, chain, '<=', max_used_times, limit
|
|
))
|
|
|
|
def get_address(self, address):
|
|
return self.query_dict_value(
|
|
"SELECT {} FROM pubkey_address WHERE address= :address",
|
|
('address', 'account', 'chain', 'position', 'pubkey', 'history', 'used_times'),
|
|
{'address': sqlite3.Binary(address)}
|
|
)
|
|
|
|
def set_address_history(self, address, history):
|
|
return self.db.runOperation(
|
|
"UPDATE pubkey_address SET history = ?, used_times = ? WHERE address = ?",
|
|
(sqlite3.Binary(history), history.count(b':')//2, sqlite3.Binary(address))
|
|
)
|