Support configuration of work update interval

config.py.example

@@ -47,6 +47,9 @@ WorkQueueSizeClear = (0x1000, 0x2000)
 # (used for longpolls)
 WorkQueueSizeLongpoll = (0x1000, 0x2000)
 
+# How often to send new jobs to miners
+WorkUpdateInterval = 55
+
 # How long to wait between bitcoind GBT updates normally
 MinimumTxnUpdateWait = 5
 

eloipool.py

@@ -19,6 +19,7 @@
 import argparse
 import importlib
 import struct
+import util
 argparser = argparse.ArgumentParser()
 argparser.add_argument('-c', '--config', help='Config name to load from config_<ARG>.py')
 args = argparser.parse_args()
@@ -38,6 +39,11 @@
 if not hasattr(config, 'ShareTarget'):
 	config.ShareTarget = 0x00000000ffffffffffffffffffffffffffffffffffffffffffffffffffffffff
 
+if not hasattr(config, 'WorkUpdateInterval'):
+	config.WorkUpdateInterval = 55
+config.StaleWorkTimeout = max(120, config.WorkUpdateInterval * 2)
+util.UniqueSessionIdManager._defaultDelay = config.StaleWorkTimeout
+
 
 import logging
 import logging.handlers
@@ -172,7 +178,7 @@ def _WorkLogPruner_I(wl):
 	for username in wl:
 		userwork = wl[username]
 		for wli in tuple(userwork.keys()):
-			if now > userwork[wli][1] + 120:
+			if now > userwork[wli][1] + config.StaleWorkTimeout:
 				del userwork[wli]
 				pruned += 1
 	WorkLogPruner.logger.debug('Pruned %d jobs' % (pruned,))
@@ -473,7 +479,7 @@ def IsJobValid(wli, wluser = None):
 	if wli not in workLog[wluser]:
 		return False
 	(wld, issueT) = workLog[wluser][wli]
-	if time() < issueT - 120:
+	if time() < issueT - config.StaleWorkTimeout:
 		return False
 	return True
 
@@ -616,7 +622,7 @@ def checkShare(share):
 	share['_targethex'] = '%064x' % (workTarget,)
 
 	shareTimestamp = unpack('<L', data[68:72])[0]
-	if shareTime < issueT - 120:
+	if shareTime < issueT - config.StaleWorkTimeout:
 		raise RejectedShare('stale-work')
 	if shareTimestamp < shareTime - 300:
 		raise RejectedShare('time-too-old')
@@ -830,7 +836,7 @@ def restoreState(SAVE_STATE_FILENAME):
 					# Current format, from 2012-02-03 onward
 					DupeShareHACK = pickle.load(f)
 
-				if t + 120 >= time():
+				if t + config.StaleWorkTimeout >= time():
 					workLog = pickle.load(f)
 				else:
 					logger.debug('Skipping restore of expired workLog')
@@ -941,6 +947,7 @@ def restoreState(SAVE_STATE_FILENAME):
 	server.RaiseRedFlags = RaiseRedFlags
 	server.BlockVersion = config.BlockVersion
 	server.ShareTarget = config.ShareTarget
+	server.StaleWorkTimeout = config.StaleWorkTimeout
 	server.checkAuthentication = checkAuthentication
 
 	if hasattr(config, 'TrustedForwarders'):
@@ -957,6 +964,7 @@ def restoreState(SAVE_STATE_FILENAME):
 	stratumsrv.defaultTarget = config.ShareTarget
 	stratumsrv.IsJobValid = IsJobValid
 	stratumsrv.checkAuthentication = checkAuthentication
+	stratumsrv.WorkUpdateInterval = config.WorkUpdateInterval
 	if not hasattr(config, 'StratumAddresses'):
 		config.StratumAddresses = ()
 	for a in config.StratumAddresses:

jsonrpc_getblocktemplate.py

@@ -36,7 +36,6 @@ def final_init(server):
 		],
 		'noncerange': '00000000ffffffff',
 		'target': '00000000ffffffffffffffffffffffffffffffffffffffffffffffffffffffff',
-		'expires': 120,
 		'version': 3,
 		'submitold': True,
 
@@ -78,7 +77,8 @@ def doJSON_getblocktemplate(self, params):
 		# FIXME: ensure mintime is always >= real mintime, both here and in share acceptance
 		rv['mintime'] = now - 180
 		rv['curtime'] = now
-		rv['maxtime'] = now + 120
+		rv['maxtime'] = now + self.server.StaleWorkTimeout
+		rv['expires'] = self.server.StaleWorkTimeout
 		rv['bits'] = b2a_hex(bits[::-1]).decode('ascii')
 		rv['target'] = '%064x' % (target,)
 		t = deepcopy(merkleTree.data[0])

jsonrpc_getwork.py

@@ -66,7 +66,7 @@ def doJSON_getwork(self, data=None):
 		ShareTargetHexLE = b2a_hex(bytes.fromhex(ShareTargetHex)[::-1]).decode('ascii')
 		rv['target'] = ShareTargetHexLE
 
-		self._JSONHeaders['X-Roll-NTime'] = 'expire=120'
+		self._JSONHeaders['X-Roll-NTime'] = 'expire=%d' % (self.server.StaleWorkTimeout,)
 
 		return rv
 

jsonrpcserver.py

@@ -295,6 +295,7 @@ def __init__(self, *a, **ka):
 
 		self.SecretUser = None
 		self.ShareTarget = 0x00000000ffffffffffffffffffffffffffffffffffffffffffffffffffffffff
+		self.StaleWorkTimeout = 120
 
 		self._LPId = 0
 		self.LPId = '%d' % (time(),)

stratumserver.py

@@ -261,6 +261,7 @@ def __init__(self, *a, **ka):
 		self._JobId = 0
 		self.JobId = '%d' % (time(),)
 		self.WakeRequest = None
+		self.WorkUpdateInterval = 55
 		self.UpdateTask = None
 		self._PendingQuickUpdates = set()
 
@@ -321,7 +322,7 @@ def updateJob(self, wantClear = False):
 		self.WakeRequest = 1
 		self.wakeup()
 
-		self.UpdateTask = self.schedule(self.updateJob, time() + 55)
+		self.UpdateTask = self.schedule(self.updateJob, time() + self.WorkUpdateInterval)
 
 	def doQuickUpdate(self):
 		PQU = self._PendingQuickUpdates