def block(db):
Block.create(
**{
'height':
0,
'hash':
'cf7938a048f1442dd34f87ce56d3e25455b22a44f676325f1ae8c7a33d0731c7',
'timestamp':
'2018-06-17 00:50:36',
'merkle_root':
'3ead103523ad8f9bfc8365c7b5ddb6f10c731c6274730e88bcaa2c74606dd4bb',
'tx': [
"3ead103523ad8f9bfc8365c7b5ddb6f10c731c6274730e88bcaa2c74606dd4bb"
],
'difficulty':
0.000244141,
'size':
286,
'nonce':
2085541870,
'version':
b'01000000',
'bits':
b'f0ff0f1e',
'coinbase':
b'04ffff001d0104464e6f727468204b6f7265616e2066696c6d206f6e204b696d27732053696e6761706f726520747269702072657665616c73206e657720666f637573206f6e2065636f6e6f6d79',
'tx_count':
1
})
def checkblocks(self, height, force=False):
if force or height % 300 == 0:
self.log.debug('Commit blocks')
blocks = []
hashes = []
with self.db.write_batch(transaction=True) as deleteBatch:
for key, value in self.db.iterator(prefix=b'pg_block:'):
data = json.loads(value.decode('utf-8'))
hashes.append(data['hash'])
data['version'] = struct.pack('>i', data['version'])
data['bits'] = struct.pack('>i', data['bits'])
data['coinbase'] = base64.decodebytes(data['coinbase'].encode())
data['timestamp'] = datetime.fromtimestamp(data['timestamp'])
data['chainwork'] = int_to_bytes(data['chainwork'])
blocks.append(data)
deleteBatch.delete(key)
if blocks:
if not self.initial_sync:
for block in blocks:
b = Block.create(**block)
external_sio.emit('block', b.to_json(), room='inv')
else:
Block.insert_many(blocks).execute(None)
with self.db.write_batch(transaction=True) as deleteBatch:
with self.db.snapshot() as sn:
wallets = []
walletsAddress = []
for key, value in sn.iterator(prefix=b'walletCreate:'):
addr = key.decode().split(':')[1]
uid = value.decode()
wallets.append({
'uid': uid
})
walletsAddress.append({
'wallet': uid,
'address': addr,
})
deleteBatch.delete(key)
self.log.info('PG wallet create %s for %s' % (uid, addr))
if wallets:
WalletGroup.insert_many(wallets).on_conflict_ignore().execute(None)
for key, value in sn.iterator(prefix=b'walletAdd:'):
addr = key.decode().split(':')[1]
walletsAddress.append({
'wallet': value.decode(),
'address': addr,
})
self.log.info('PG wallet add %s for %s' % (value.decode(), addr))
deleteBatch.delete(key)
if walletsAddress:
WalletGroupAddress.insert_many(walletsAddress).execute(None)
for key, value in sn.iterator(prefix=b'walletMerge:'):
existingWalletId = key.decode().split(':')[1]
newWalletId = value.decode()
deleteBatch.delete(key)
res = WalletGroupAddress.update(wallet = newWalletId).where(WalletGroupAddress.wallet == existingWalletId).execute(None)
self.log.info('PG wallet merge from %s to %s (%s)' % (existingWalletId, newWalletId, res))
def checkblocks(self, height, force=False):
if force or height % 300 == 0:
self.log.debug('Commit blocks')
blocks = []
hashes = []
with self.db.write_batch(transaction=True) as deleteBatch:
for key, value in self.db.iterator(prefix=b'pg_block:'):
data = json.loads(value.decode('utf-8'))
hashes.append(data['hash'])
data['version'] = struct.pack('i', data['version'])
data['bits'] = struct.pack('i', data['bits'])
data['coinbase'] = base64.decodebytes(data['coinbase'].encode())
data['timestamp'] = datetime.fromtimestamp(data['timestamp'])
blocks.append(data)
deleteBatch.delete(key)
if blocks:
if not self.initial_sync:
for block in blocks:
b = Block.create(**block)
# print(b.to_json())
external_sio.emit('block', b.to_json(), room='inv')
else:
Block.insert_many(blocks).execute(None)