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connector

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This commit is contained in:
4tochka 2019-05-03 19:40:51 +04:00
parent f08073737b
commit 55480a46d4
1 changed files with 48 additions and 65 deletions
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113
pybtc/connector.py
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@ -413,6 +413,12 @@ class Connector:
self.utxo.destroyed_utxo,
self.utxo.destroyed_utxo_block
))
self.log.info(
"destroyed utxo %s; "
"destroyed utxo block %s;" % (
self.utxo.destroyed_utxo,
self.utxo.destroyed_utxo_block
))
# after block added handler
if self.after_block_handler and not self.cache_loading:
@ -770,13 +776,13 @@ class UTXO():
pass
self.deleted[key] = n
[self.destroyed.pop(i) for i in k]
if len(self.cached) - self._cache_size > 0:
self.loop.create_task(self.save_utxo(block_height))
async def save_utxo(self, block_height):
return
# save to db tail from cache
block_height -= self.maturity
c = len(self.cached) - self._cache_size
if block_height > 0 and not self.save_process and c > 0:
if not self.save_process:
try:
self.save_process = True
lb = 0
@ -789,73 +795,50 @@ class UTXO():
c -= 1
continue
break
if lb:
for key in self.destroyed:
if key < lb:
n = set()
for outpoint in self.destroyed[key]:
try:
del self.cached[outpoint]
self.destroyed_utxo += 1
except:
try:
del self.loaded[outpoint]
n.add(outpoint)
except:
pass
self.destroyed[key] = n
self.log.critical(str(key))
for key in iter(self.cached):
i = self.cached[key]
if i[0] >> 42 <= lb:
rs.add((key,b"".join((int_to_c_int(i[0]),
int_to_c_int(i[1]),
i[2]))))
ln.add(key)
lb = i[0] >> 42
c -= 1
continue
break
# if not lb:
# await asyncio.sleep(0)
# return
for key in iter(self.destroyed):
if key <= lb and key < block_height:
db.add(key)
[r.add(i) for i in self.destroyed[key]]
# insert to db
async with self._db_pool.acquire() as conn:
async with conn.transaction():
if r:
await conn.execute("DELETE FROM connector_utxo WHERE "
"outpoint = ANY($1);", r)
if rs:
await conn.copy_records_to_table('connector_utxo', columns=["outpoint", "data"], records=rs)
if lb:
await conn.execute("UPDATE connector_utxo_state SET value = $1 "
"WHERE name = 'last_block';", lb)
await conn.execute("UPDATE connector_utxo_state SET value = $1 "
"WHERE name = 'last_cached_block';", block_height)
self.saved_utxo += len(rs)
self.deleted_utxo += len(r)
if lb:
# remove from cache
for key in ln:
d = set()
for key in range(self.last_saved_block + 1, lb + 1):
try:
self.cached.pop(key)
[d.add(i) for i in self.deleted[key]]
except:
pass
a = set()
for key in range(self.last_saved_block + 1, lb + 1):
i = self.cached[key]
a.add((key,b"".join((int_to_c_int(i[0]),
int_to_c_int(i[1]),
i[2]))))
# insert to db
async with self._db_pool.acquire() as conn:
async with conn.transaction():
if d:
await conn.execute("DELETE FROM connector_utxo WHERE "
"outpoint = ANY($1);", d)
if a:
await conn.copy_records_to_table('connector_utxo',
columns=["outpoint", "data"], records=a)
await conn.execute("UPDATE connector_utxo_state SET value = $1 "
"WHERE name = 'last_block';", lb)
await conn.execute("UPDATE connector_utxo_state SET value = $1 "
"WHERE name = 'last_cached_block';", block_height)
self.saved_utxo += len(a)
self.deleted_utxo += len(d)
# remove from cache
for key in a:
try:
self.cached.pop(key[0])
except:
pass
for key in range(self.last_saved_block + 1, lb + 1):
try:
self.deleted.pop(key)
except:
pass
for key in self.destroyed:
if not self.destroyed[key]:
self.destroyed.pop(key)
self.last_saved_block = lb
finally:
self.save_process = False