--- /dev/null
+from twisted.internet import defer, task
+from twisted.python import log
+
+from p2pool.bitcoin import data as bitcoin_data, getwork
+from p2pool.util import deferral, forest, variable
+
+class HeaderWrapper(object):
+ target = 2**256 - 1
+ __slots__ = 'hash previous_hash'.split(' ')
+
+ @classmethod
+ def from_header(cls, header):
+ return cls(bitcoin_data.hash256(bitcoin_data.block_header_type.pack(header)), header['previous_block'])
+
+ def __init__(self, hash, previous_hash):
+ self.hash, self.previous_hash = hash, previous_hash
+
+class HeightTracker(object):
+ '''Point this at a factory and let it take care of getting block heights'''
+
+ def __init__(self, rpc_proxy, factory, backlog_needed):
+ self._rpc_proxy = rpc_proxy
+ self._factory = factory
+ self._backlog_needed = backlog_needed
+
+ self._tracker = forest.Tracker()
+
+ self._watch1 = self._factory.new_headers.watch(self._heard_headers)
+ self._watch2 = self._factory.new_block.watch(self._request)
+
+ self._requested = set()
+ self._clear_task = task.LoopingCall(self._requested.clear)
+ self._clear_task.start(60)
+
+ self._last_notified_size = 0
+
+ self.updated = variable.Event()
+
+ self._think_task = task.LoopingCall(self._think)
+ self._think_task.start(15)
+ self._think2_task = task.LoopingCall(self._think2)
+ self._think2_task.start(15)
+ self.best_hash = None
+
+ def _think(self):
+ try:
+ highest_head = max(self._tracker.heads, key=lambda h: self._tracker.get_height_and_last(h)[0]) if self._tracker.heads else None
+ if highest_head is None:
+ return # wait for think2
+ height, last = self._tracker.get_height_and_last(highest_head)
+ if height < self._backlog_needed:
+ self._request(last)
+ except:
+ log.err(None, 'Error in HeightTracker._think:')
+
+ @defer.inlineCallbacks
+ def _think2(self):
+ try:
+ ba = getwork.BlockAttempt.from_getwork((yield self._rpc_proxy.rpc_getwork()))
+ self._request(ba.previous_block)
+ self.best_hash = ba.previous_block
+ except:
+ log.err(None, 'Error in HeightTracker._think2:')
+
+ def _heard_headers(self, headers):
+ changed = False
+ for header in headers:
+ hw = HeaderWrapper.from_header(header)
+ if hw.hash in self._tracker.shares:
+ continue
+ changed = True
+ self._tracker.add(hw)
+ if changed:
+ self.updated.happened()
+ self._think()
+
+ if len(self._tracker.shares) >= self._last_notified_size + 100:
+ print 'Have %i/%i block headers' % (len(self._tracker.shares), self._backlog_needed)
+ self._last_notified_size = len(self._tracker.shares)
+
+ @defer.inlineCallbacks
+ def _request(self, last):
+ if last in self._tracker.shares:
+ return
+ if last in self._requested:
+ return
+ self._requested.add(last)
+ (yield self._factory.getProtocol()).send_getheaders(version=1, have=[], last=last)
+
+ def get_height_rel_highest(self, block_hash):
+ # callers: highest height can change during yields!
+ best_height, best_last = self._tracker.get_height_and_last(self.best_hash)
+ height, last = self._tracker.get_height_and_last(block_hash)
+ if last != best_last:
+ return -1000000000 # XXX hack
+ return height - best_height
+
+@defer.inlineCallbacks
+def get_height_rel_highest_func(bitcoind, factory, current_work, net):
+ if '\ngetblock ' in (yield deferral.retry()(bitcoind.rpc_help)()):
+ @deferral.DeferredCacher
+ @defer.inlineCallbacks
+ def height_cacher(block_hash):
+ try:
+ x = yield bitcoind.rpc_getblock('%x' % (block_hash,))
+ except jsonrpc.Error, e:
+ if e.code == -5 and not p2pool.DEBUG:
+ raise deferral.RetrySilentlyException()
+ raise
+ defer.returnValue(x['blockcount'] if 'blockcount' in x else x['height'])
+ best_height_cached = variable.Variable((yield deferral.retry()(height_cacher)(current_work.value['previous_block'])))
+ def get_height_rel_highest(block_hash):
+ this_height = height_cacher.call_now(block_hash, 0)
+ best_height = height_cacher.call_now(current_work.value['previous_block'], 0)
+ best_height_cached.set(max(best_height_cached.value, this_height, best_height))
+ return this_height - best_height_cached.value
+ else:
+ get_height_rel_highest = HeightTracker(bitcoind, factory, 5*net.SHARE_PERIOD*net.CHAIN_LENGTH/net.PARENT.BLOCK_PERIOD).get_height_rel_highest
+ defer.returnValue(get_height_rel_highest)
from twisted.python import log
import p2pool
-from . import data as bitcoin_data, getwork
-from p2pool.util import variable, datachunker, deferral, forest, pack
+from . import data as bitcoin_data
+from p2pool.util import datachunker, deferral, pack, variable
class TooLong(Exception):
pass
def getProtocol(self):
return self.conn.get_not_none()
-class HeaderWrapper(object):
- target = 2**256 - 1
- __slots__ = 'hash previous_hash'.split(' ')
-
- @classmethod
- def from_header(cls, header):
- return cls(bitcoin_data.hash256(bitcoin_data.block_header_type.pack(header)), header['previous_block'])
-
- def __init__(self, hash, previous_hash):
- self.hash, self.previous_hash = hash, previous_hash
-
-class HeightTracker(object):
- '''Point this at a factory and let it take care of getting block heights'''
-
- def __init__(self, rpc_proxy, factory, backlog_needed):
- self._rpc_proxy = rpc_proxy
- self._factory = factory
- self._backlog_needed = backlog_needed
-
- self._tracker = forest.Tracker()
-
- self._watch1 = self._factory.new_headers.watch(self._heard_headers)
- self._watch2 = self._factory.new_block.watch(self._request)
-
- self._requested = set()
- self._clear_task = task.LoopingCall(self._requested.clear)
- self._clear_task.start(60)
-
- self._last_notified_size = 0
-
- self.updated = variable.Event()
-
- self._think_task = task.LoopingCall(self._think)
- self._think_task.start(15)
- self._think2_task = task.LoopingCall(self._think2)
- self._think2_task.start(15)
- self.best_hash = None
-
- def _think(self):
- try:
- highest_head = max(self._tracker.heads, key=lambda h: self._tracker.get_height_and_last(h)[0]) if self._tracker.heads else None
- if highest_head is None:
- return # wait for think2
- height, last = self._tracker.get_height_and_last(highest_head)
- if height < self._backlog_needed:
- self._request(last)
- except:
- log.err(None, 'Error in HeightTracker._think:')
-
- @defer.inlineCallbacks
- def _think2(self):
- try:
- ba = getwork.BlockAttempt.from_getwork((yield self._rpc_proxy.rpc_getwork()))
- self._request(ba.previous_block)
- self.best_hash = ba.previous_block
- except:
- log.err(None, 'Error in HeightTracker._think2:')
-
- def _heard_headers(self, headers):
- changed = False
- for header in headers:
- hw = HeaderWrapper.from_header(header)
- if hw.hash in self._tracker.shares:
- continue
- changed = True
- self._tracker.add(hw)
- if changed:
- self.updated.happened()
- self._think()
-
- if len(self._tracker.shares) >= self._last_notified_size + 100:
- print 'Have %i/%i block headers' % (len(self._tracker.shares), self._backlog_needed)
- self._last_notified_size = len(self._tracker.shares)
-
- @defer.inlineCallbacks
- def _request(self, last):
- if last in self._tracker.shares:
- return
- if last in self._requested:
- return
- self._requested.add(last)
- (yield self._factory.getProtocol()).send_getheaders(version=1, have=[], last=last)
-
- def get_height_rel_highest(self, block_hash):
- # callers: highest height can change during yields!
- best_height, best_last = self._tracker.get_height_and_last(self.best_hash)
- height, last = self._tracker.get_height_and_last(block_hash)
- if last != best_last:
- return -1000000000 # XXX hack
- return height - best_height
-
if __name__ == '__main__':
from . import networks
factory = ClientFactory(networks.BitcoinMainnet)
from nattraverso import portmapper, ipdiscover
import bitcoin.p2p as bitcoin_p2p, bitcoin.getwork as bitcoin_getwork, bitcoin.data as bitcoin_data
-from bitcoin import worker_interface
+from bitcoin import worker_interface, height_tracker
from util import expiring_dict, jsonrpc, variable, deferral, math, logging, pack
from . import p2p, networks, web
import p2pool, p2pool.data as p2pool_data
))
yield set_real_work1()
- if '\ngetblock ' in (yield deferral.retry()(bitcoind.rpc_help)()):
- @deferral.DeferredCacher
- @defer.inlineCallbacks
- def height_cacher(block_hash):
- try:
- x = yield bitcoind.rpc_getblock('%x' % (block_hash,))
- except jsonrpc.Error, e:
- if e.code == -5 and not p2pool.DEBUG:
- raise deferral.RetrySilentlyException()
- raise
- defer.returnValue(x['blockcount'] if 'blockcount' in x else x['height'])
- best_height_cached = variable.Variable((yield deferral.retry()(height_cacher)(pre_current_work.value['previous_block'])))
- def get_height_rel_highest(block_hash):
- this_height = height_cacher.call_now(block_hash, 0)
- best_height = height_cacher.call_now(pre_current_work.value['previous_block'], 0)
- best_height_cached.set(max(best_height_cached.value, this_height, best_height))
- return this_height - best_height_cached.value
- else:
- get_height_rel_highest = bitcoin_p2p.HeightTracker(bitcoind, factory, 5*net.SHARE_PERIOD*net.CHAIN_LENGTH/net.PARENT.BLOCK_PERIOD).get_height_rel_highest
+ get_height_rel_highest = yield height_tracker.get_height_rel_highest_func(bitcoind, factory, pre_current_work, net)
def set_real_work2():
best, desired = tracker.think(get_height_rel_highest, pre_current_work.value['previous_block'], pre_current_work.value['bits'])
git://git.novaco.in / p2pool.git / commitdiff