stratum-mining/mining/DB_Postgresql.py
2013-12-08 02:44:19 +00:00

395 lines
17 KiB
Python

import time
import hashlib
from stratum import settings
import stratum.logger
log = stratum.logger.get_logger('DB_Postgresql')
import psycopg2
from psycopg2 import extras
class DB_Postgresql():
def __init__(self):
log.debug("Connecting to DB")
self.dbh = psycopg2.connect("host='"+settings.DB_PGSQL_HOST+"' dbname='"+settings.DB_PGSQL_DBNAME+"' user='"+settings.DB_PGSQL_USER+\
"' password='"+settings.DB_PGSQL_PASS+"'")
# TODO -- set the schema
self.dbc = self.dbh.cursor()
if hasattr(settings, 'PASSWORD_SALT'):
self.salt = settings.PASSWORD_SALT
else:
raise ValueError("PASSWORD_SALT isn't set, please set in config.py")
def updateStats(self,averageOverTime):
log.debug("Updating Stats")
# Note: we are using transactions... so we can set the speed = 0 and it doesn't take affect until we are commited.
self.dbc.execute("update pool_worker set speed = 0, alive = 'f'");
stime = '%.2f' % ( time.time() - averageOverTime );
self.dbc.execute("select username,SUM(difficulty) from shares where time > to_timestamp(%s) group by username", [stime])
total_speed = 0
for name,shares in self.dbc.fetchall():
speed = int(int(shares) * pow(2,32)) / ( int(averageOverTime) * 1000 * 1000)
total_speed += speed
self.dbc.execute("update pool_worker set speed = %s, alive = 't' where username = %s", (speed,name))
self.dbc.execute("update pool set value = %s where parameter = 'pool_speed'",[total_speed])
self.dbh.commit()
def archive_check(self):
# Check for found shares to archive
self.dbc.execute("select time from shares where upstream_result = true order by time limit 1")
data = self.dbc.fetchone()
if data is None or (data[0] + settings.ARCHIVE_DELAY) > time.time() :
return False
return data[0]
def archive_found(self,found_time):
self.dbc.execute("insert into shares_archive_found select * from shares where upstream_result = true and time <= to_timestamp(%s)", [found_time])
self.dbh.commit()
def archive_to_db(self,found_time):
self.dbc.execute("insert into shares_archive select * from shares where time <= to_timestamp(%s)",[found_time])
self.dbh.commit()
def archive_cleanup(self,found_time):
self.dbc.execute("delete from shares where time <= to_timestamp(%s)",[found_time])
self.dbh.commit()
def archive_get_shares(self,found_time):
self.dbc.execute("select * from shares where time <= to_timestamp(%s)",[found_time])
return self.dbc
def import_shares(self,data):
log.debug("Importing Shares")
# 0 1 2 3 4 5 6 7 8 9 10
# data: [worker_name,block_header,block_hash,difficulty,timestamp,is_valid,ip,block_height,prev_hash,invalid_reason,best_diff]
checkin_times = {}
total_shares = 0
best_diff = 0
for k,v in enumerate(data):
if settings.DATABASE_EXTEND :
total_shares += v[3]
if v[0] in checkin_times:
if v[4] > checkin_times[v[0]] :
checkin_times[v[0]]["time"] = v[4]
else:
checkin_times[v[0]] = {"time": v[4], "shares": 0, "rejects": 0 }
if v[5] == True :
checkin_times[v[0]]["shares"] += v[3]
else :
checkin_times[v[0]]["rejects"] += v[3]
if v[10] > best_diff:
best_diff = v[10]
self.dbc.execute("insert into shares " +\
"(time,rem_host,username,our_result,upstream_result,reason,solution,block_num,prev_block_hash,useragent,difficulty) " +\
"VALUES (to_timestamp(%s),%s,%s,%s,%s,%s,%s,%s,%s,%s,%s)",
(v[4],v[6],v[0],bool(v[5]),False,v[9],'',v[7],v[8],'',v[3]) )
else :
self.dbc.execute("insert into shares (time,rem_host,username,our_result,upstream_result,reason,solution) VALUES " +\
"(to_timestamp(%s),%s,%s,%s,%s,%s,%s)",
(v[4],v[6],v[0],bool(v[5]),False,v[9],'') )
if settings.DATABASE_EXTEND :
self.dbc.execute("select value from pool where parameter = 'round_shares'")
round_shares = int(self.dbc.fetchone()[0]) + total_shares
self.dbc.execute("update pool set value = %s where parameter = 'round_shares'",[round_shares])
self.dbc.execute("select value from pool where parameter = 'round_best_share'")
round_best_share = int(self.dbc.fetchone()[0])
if best_diff > round_best_share:
self.dbc.execute("update pool set value = %s where parameter = 'round_best_share'",[best_diff])
self.dbc.execute("select value from pool where parameter = 'bitcoin_difficulty'")
difficulty = float(self.dbc.fetchone()[0])
if difficulty == 0:
progress = 0
else:
progress = (round_shares/difficulty)*100
self.dbc.execute("update pool set value = %s where parameter = 'round_progress'",[progress])
for k,v in checkin_times.items():
self.dbc.execute("update pool_worker set last_checkin = to_timestamp(%s), total_shares = total_shares + %s, total_rejects = total_rejects + %s where username = %s",
(v["time"],v["shares"],v["rejects"],k))
self.dbh.commit()
def found_block(self,data):
# Note: difficulty = -1 here
self.dbc.execute("update shares set upstream_result = %s, solution = %s where id in (select id from shares where time = to_timestamp(%s) and username = %s limit 1)",
(bool(data[5]),data[2],data[4],data[0]))
if settings.DATABASE_EXTEND and data[5] == True :
self.dbc.execute("update pool_worker set total_found = total_found + 1 where username = %s",(data[0],))
self.dbc.execute("select value from pool where parameter = 'pool_total_found'")
total_found = int(self.dbc.fetchone()[0]) + 1
self.dbc.executemany("update pool set value = %s where parameter = %s",[(0,'round_shares'),
(0,'round_progress'),
(0,'round_best_share'),
(time.time(),'round_start'),
(total_found,'pool_total_found')
])
self.dbh.commit()
def get_user(self, id_or_username):
log.debug("Finding user with id or username of %s", id_or_username)
cursor = self.dbh.cursor(cursor_factory=extras.DictCursor)
cursor.execute(
"""
SELECT *
FROM pool_worker
WHERE id = %(id)s
OR username = %(uname)s
""",
{
"id": id_or_username if id_or_username.isdigit() else -1,
"uname": id_or_username
}
)
user = cursor.fetchone()
cursor.close()
return user
def list_users(self):
cursor = self.dbh.cursor(cursor_factory=extras.DictCursor)
cursor.execute(
"""
SELECT *
FROM pool_worker
WHERE id > 0
"""
)
while True:
results = cursor.fetchmany()
if not results:
break
for result in results:
yield result
def delete_user(self, id_or_username):
log.debug("Deleting Username")
self.dbc.execute(
"""
delete from pool_worker where id = %(id)s or username = %(uname)s
""",
{
"id": id_or_username if id_or_username.isdigit() else -1,
"uname": id_or_username
}
)
self.dbh.commit()
def insert_user(self,username,password):
log.debug("Adding Username/Password")
m = hashlib.sha1()
m.update(password)
m.update(self.salt)
self.dbc.execute("insert into pool_worker (username,password) VALUES (%s,%s)",
(username, m.hexdigest() ))
self.dbh.commit()
return str(username)
def update_user(self, id_or_username, password):
log.debug("Updating Username/Password")
m = hashlib.sha1()
m.update(password)
m.update(self.salt)
self.dbc.execute(
"""
update pool_worker set password = %(pass)s where id = %(id)s or username = %(uname)s
""",
{
"id": id_or_username if id_or_username.isdigit() else -1,
"uname": id_or_username,
"pass": m.hexdigest()
}
)
self.dbh.commit()
def update_worker_diff(self,username,diff):
self.dbc.execute("update pool_worker set difficulty = %s where username = %s",(diff,username))
self.dbh.commit()
def clear_worker_diff(self):
if settings.DATABASE_EXTEND == True :
self.dbc.execute("update pool_worker set difficulty = 0")
self.dbh.commit()
def check_password(self,username,password):
log.debug("Checking Username/Password")
m = hashlib.sha1()
m.update(password)
m.update(self.salt)
self.dbc.execute("select COUNT(*) from pool_worker where username = %s and password = %s",
(username, m.hexdigest() ))
data = self.dbc.fetchone()
if data[0] > 0 :
return True
return False
def update_pool_info(self,pi):
self.dbc.executemany("update pool set value = %s where parameter = %s",[(pi['blocks'],"bitcoin_blocks"),
(pi['balance'],"bitcoin_balance"),
(pi['connections'],"bitcoin_connections"),
(pi['difficulty'],"bitcoin_difficulty"),
(time.time(),"bitcoin_infotime")
])
self.dbh.commit()
def get_pool_stats(self):
self.dbc.execute("select * from pool")
ret = {}
for data in self.dbc.fetchall():
ret[data[0]] = data[1]
return ret
def get_workers_stats(self):
self.dbc.execute("select username,speed,last_checkin,total_shares,total_rejects,total_found,alive,difficulty from pool_worker")
ret = {}
for data in self.dbc.fetchall():
ret[data[0]] = { "username" : data[0],
"speed" : data[1],
"last_checkin" : time.mktime(data[2].timetuple()),
"total_shares" : data[3],
"total_rejects" : data[4],
"total_found" : data[5],
"alive" : data[6],
"difficulty" : data[7] }
return ret
def close(self):
self.dbh.close()
def check_tables(self):
log.debug("Checking Tables")
shares_exist = False
self.dbc.execute("select COUNT(*) from pg_catalog.pg_tables where schemaname = %(schema)s and tablename = 'shares'",
{"schema": settings.DB_PGSQL_SCHEMA })
data = self.dbc.fetchone()
if data[0] <= 0 :
self.update_version_1()
if settings.DATABASE_EXTEND == True :
self.update_tables()
def update_tables(self):
version = 0
current_version = 7
while version < current_version :
self.dbc.execute("select value from pool where parameter = 'DB Version'")
data = self.dbc.fetchone()
version = int(data[0])
if version < current_version :
log.info("Updating Database from %i to %i" % (version, version +1))
getattr(self, 'update_version_' + str(version) )()
def update_version_1(self):
if settings.DATABASE_EXTEND == True :
self.dbc.execute("create table shares" +\
"(id serial primary key,time timestamp,rem_host TEXT, username TEXT, our_result BOOLEAN, upstream_result BOOLEAN, reason TEXT, solution TEXT, " +\
"block_num INTEGER, prev_block_hash TEXT, useragent TEXT, difficulty INTEGER)")
self.dbc.execute("create index shares_username ON shares(username)")
self.dbc.execute("create table pool_worker" +\
"(id serial primary key,username TEXT, password TEXT, speed INTEGER, last_checkin timestamp)")
self.dbc.execute("create index pool_worker_username ON pool_worker(username)")
self.dbc.execute("alter table pool_worker add total_shares INTEGER default 0")
self.dbc.execute("alter table pool_worker add total_rejects INTEGER default 0")
self.dbc.execute("alter table pool_worker add total_found INTEGER default 0")
self.dbc.execute("create table pool(parameter TEXT, value TEXT)")
self.dbc.execute("insert into pool (parameter,value) VALUES ('DB Version',2)")
else :
self.dbc.execute("create table shares" + \
"(id serial,time timestamp,rem_host TEXT, username TEXT, our_result BOOLEAN, upstream_result BOOLEAN, reason TEXT, solution TEXT)")
self.dbc.execute("create index shares_username ON shares(username)")
self.dbc.execute("create table pool_worker(id serial,username TEXT, password TEXT)")
self.dbc.execute("create index pool_worker_username ON pool_worker(username)")
self.dbh.commit()
def update_version_2(self):
log.info("running update 2")
self.dbc.executemany("insert into pool (parameter,value) VALUES (%s,%s)",[('bitcoin_blocks',0),
('bitcoin_balance',0),
('bitcoin_connections',0),
('bitcoin_difficulty',0),
('pool_speed',0),
('pool_total_found',0),
('round_shares',0),
('round_progress',0),
('round_start',time.time())
])
self.dbc.execute("update pool set value = 3 where parameter = 'DB Version'")
self.dbh.commit()
def update_version_3(self):
log.info("running update 3")
self.dbc.executemany("insert into pool (parameter,value) VALUES (%s,%s)",[
('round_best_share',0),
('bitcoin_infotime',0)
])
self.dbc.execute("alter table pool_worker add alive BOOLEAN")
self.dbc.execute("update pool set value = 4 where parameter = 'DB Version'")
self.dbh.commit()
def update_version_4(self):
log.info("running update 4")
self.dbc.execute("alter table pool_worker add difficulty INTEGER default 0")
self.dbc.execute("create table shares_archive" +\
"(id serial primary key,time timestamp,rem_host TEXT, username TEXT, our_result BOOLEAN, upstream_result BOOLEAN, reason TEXT, solution TEXT, " +\
"block_num INTEGER, prev_block_hash TEXT, useragent TEXT, difficulty INTEGER)")
self.dbc.execute("create table shares_archive_found" +\
"(id serial primary key,time timestamp,rem_host TEXT, username TEXT, our_result BOOLEAN, upstream_result BOOLEAN, reason TEXT, solution TEXT, " +\
"block_num INTEGER, prev_block_hash TEXT, useragent TEXT, difficulty INTEGER)")
self.dbc.execute("update pool set value = 5 where parameter = 'DB Version'")
self.dbh.commit()
def update_version_5(self):
log.info("running update 5")
# Adding Primary key to table: pool
self.dbc.execute("alter table pool add primary key (parameter)")
self.dbh.commit()
# Adjusting indicies on table: shares
self.dbc.execute("DROP INDEX shares_username")
self.dbc.execute("CREATE INDEX shares_time_username ON shares(time,username)")
self.dbc.execute("CREATE INDEX shares_upstreamresult ON shares(upstream_result)")
self.dbh.commit()
self.dbc.execute("update pool set value = 6 where parameter = 'DB Version'")
self.dbh.commit()
def update_version_6(self):
log.info("running update 6")
try:
self.dbc.execute("CREATE EXTENSION pgcrypto")
except psycopg2.ProgrammingError:
log.info("pgcrypto already added to database")
except psycopg2.OperationalError:
raise Exception("Could not add pgcrypto extension to database. Have you got it installed? Ubuntu is postgresql-contrib")
self.dbh.commit()
# Optimising table layout
self.dbc.execute("ALTER TABLE pool " +\
"ALTER COLUMN parameter TYPE character varying(128), ALTER COLUMN value TYPE character varying(512);")
self.dbh.commit()
self.dbc.execute("UPDATE pool_worker SET password = encode(digest(concat(password, %s), 'sha1'), 'hex') WHERE id > 0", [self.salt])
self.dbh.commit()
self.dbc.execute("ALTER TABLE pool_worker " +\
"ALTER COLUMN username TYPE character varying(512), ALTER COLUMN password TYPE character(40), " +\
"ADD CONSTRAINT username UNIQUE (username)")
self.dbh.commit()
self.dbc.execute("update pool set value = 7 where parameter = 'DB Version'")
self.dbh.commit()