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Require attributes to be specified for a coin

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This commit is contained in:
Neil Booth 2017-02-06 19:48:30 +09:00
parent 23ebdecc5d
commit 6db9cb967c
2 changed files with 20 additions and 19 deletions
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8
lib/coins.py
View File

@ -43,16 +43,22 @@ class Coin(object):
# Peer discovery
PEER_DEFAULT_PORTS = {'t': '50001', 's': '50002'}
PEERS = []
TX_COUNT_HEIGHT = 0
@classmethod
def lookup_coin_class(cls, name, net):
'''Return a coin class given name and network.
Raise an exception if unrecognised.'''
req_attrs = ('TX_COUNT', 'TX_COUNT_HEIGHT', 'TX_PER_BLOCK',
'IRC_CHANNEL', 'IRC_PREFIX')
for coin in util.subclasses(Coin):
if (coin.NAME.lower() == name.lower()
and coin.NET.lower() == net.lower()):
missing = [attr for attr in req_attrs
if not hasattr(coin, attr)]
if missing:
raise CoinError('coin {} missing {} attributes'
.format(name, missing))
return coin
raise CoinError('unknown coin {} and network {} combination'
.format(name, net))

31
server/block_processor.py
View File

@ -388,27 +388,22 @@ class BlockProcessor(server.db.DB):
self.logger.info('tx/sec since genesis: {:,d}, '
'since last flush: {:,d}'
.format(tx_per_sec, this_tx_per_sec))
if self.coin.TX_COUNT_HEIGHT > 0:
daemon_height = self.daemon.cached_height()
if self.height > self.coin.TX_COUNT_HEIGHT:
tx_est = (daemon_height - self.height) * self.coin.TX_PER_BLOCK
else:
tx_est = ((daemon_height - self.coin.TX_COUNT_HEIGHT)
* self.coin.TX_PER_BLOCK
+ (self.coin.TX_COUNT - self.tx_count))
# Damp the enthusiasm
realism = 2.0 - 0.9 * self.height / self.coin.TX_COUNT_HEIGHT
tx_est *= max(realism, 1.0)
self.logger.info('sync time: {} ETA: {}'
.format(formatted_time(self.wall_time),
formatted_time(tx_est / this_tx_per_sec)))
daemon_height = self.daemon.cached_height()
if self.height > self.coin.TX_COUNT_HEIGHT:
tx_est = (daemon_height - self.height) * self.coin.TX_PER_BLOCK
else:
self.logger.info('sync time: {}'
.format(formatted_time(self.wall_time)))
tx_est = ((daemon_height - self.coin.TX_COUNT_HEIGHT)
* self.coin.TX_PER_BLOCK
+ (self.coin.TX_COUNT - self.tx_count))
# Damp the enthusiasm
realism = 2.0 - 0.9 * self.height / self.coin.TX_COUNT_HEIGHT
tx_est *= max(realism, 1.0)
self.logger.info('sync time: {} ETA: {}'
.format(formatted_time(self.wall_time),
formatted_time(tx_est / this_tx_per_sec)))
def fs_flush(self):
'''Flush the things stored on the filesystem.'''