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connector

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This commit is contained in:
4tochka 2019-05-13 11:16:50 +04:00
parent 60dd949c58
commit 53b65eda74
2 changed files with 28 additions and 29 deletions
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8
pybtc/connector/connector.py
View File

@ -77,7 +77,6 @@ class Connector:
self.tx_processing_time = 0
self.non_cached_blocks = 0
self.total_received_tx_time = 0
self.checkpoints = deque()
self.tt = 0
self.yy = 0
self.start_time = time.time()
@ -374,10 +373,11 @@ class Connector:
self.block_headers_cache.set(block["hash"], block["height"])
self.last_block_height = block["height"]
if self.utxo_data:
await self.utxo.destroy_utxo()
try: self.checkpoints.append(block["checkpoint"])
try: self.utxo.checkpoints.append(block["checkpoint"])
except: pass
if len(self.utxo.cached) > self.utxo.size_limit and not self.utxo.save_process:
if len(self.utxo.cached) > self.utxo.size_limit and \
not self.utxo.save_process and \
self.utxo.checkpoints:
self.loop.create_task(self.utxo.save_utxo())

49
pybtc/connector/utxo.py
View File

@ -8,8 +8,8 @@ class UTXO():
def __init__(self, db_pool, loop, log, cache_size):
self.cached = LRU()
self.missed = set()
self.destroyed = deque()
self.deleted = LRU()
self.checkpoints = deque()
self.log = log
self.loaded = OrderedDict()
self.maturity = 100
@ -40,44 +40,48 @@ class UTXO():
def remove(self, outpoint):
del self.cached[outpoint]
async def destroy_utxo(self):
while self.destroyed:
outpoint = self.destroyed.pop()
try:
del self.cached[outpoint]
self.destroyed_utxo += 1
except:
try:
del self.loaded[outpoint]
self.destroyed_utxo += 1
except:
self.destroyed_utxo += 1
pass
async def save_utxo(self):
# save to db tail from cache
if self.save_process or not self.cached:
return
if self.save_process or not self.cached: return
if not self.checkpoints: return
self.save_process = True
try:
checkpoint = self.checkpoints.pop()
lb = 0
block_changed = False
checkpoint_found = False
utxo = set()
# self.log.critical(">>" + str(len(self.cached)))
while self.cached:
i = self.cached.pop()
if lb != i[1][0] >> 42:
block_changed = True
lb = i[1][0] >> 42
if lb - 1 == checkpoint:
checkpoint_found = True
if len(self.cached) <= self.size_limit:
if block_changed:
if block_changed and checkpoint_found:
break
utxo.add((i[0],b"".join((int_to_c_int(i[1][0]),
int_to_c_int(i[1][1]),
i[1][2]))))
if block_changed:
self.cached.append({i[0]: i[1]})
if not checkpoint_found:
for i in reversed(utxo):
d = i[1]
pointer = c_int_to_int(d)
f = c_int_len(pointer)
amount = c_int_to_int(d[f:])
f += c_int_len(amount)
address = d[f:]
self.cached.append({i[0]: (pointer, amount, address)})
self.log.critical("checkpoint not found")
return
self.log.critical("found checkpoint " + str(lb))
# self.log.critical(">" + str(len(self.cached)))
#
# block_height
@ -119,7 +123,7 @@ class UTXO():
"WHERE name = 'last_block';", lb)
self.saved_utxo += len(utxo)
self.deleted_utxo += len(d)
self.log.critical("saved " + str(len(utxo)))
# # remove from cache
# for key in a:
# try:
@ -140,11 +144,6 @@ class UTXO():
self._requests += 1
try:
i = self.cached.delete(key)
# self.destroyed.append(key)
# try:
# self.destroyed[block_height].add(key)
# except:
# self.destroyed[block_height] = {key}
self._hit += 1
return i
except: