POW and POS support via a config change
This commit is contained in:
parent
e266c97d8b
commit
b19af3e9ac
@ -124,7 +124,6 @@ class BitcoinRPCManager(object):
|
||||
except:
|
||||
self.next_connection()
|
||||
|
||||
|
||||
def getdifficulty(self):
|
||||
while True:
|
||||
try:
|
||||
|
||||
@ -19,6 +19,7 @@ class BlockTemplate(halfnode.CBlock):
|
||||
coinbase_transaction_class = CoinbaseTransaction
|
||||
|
||||
def __init__(self, timestamper, coinbaser, job_id):
|
||||
print("Hit Block_template.py")
|
||||
super(BlockTemplate, self).__init__()
|
||||
|
||||
self.job_id = job_id
|
||||
@ -46,10 +47,13 @@ class BlockTemplate(halfnode.CBlock):
|
||||
#txhashes = [None] + [ binascii.unhexlify(t['hash']) for t in data['transactions'] ]
|
||||
txhashes = [None] + [ util.ser_uint256(int(t['hash'], 16)) for t in data['transactions'] ]
|
||||
mt = merkletree.MerkleTree(txhashes)
|
||||
if settings.COINDAEMON_Reward == 'POW':
|
||||
coinbase = self.coinbase_transaction_class(self.timestamper, self.coinbaser, data['coinbasevalue'], data['coinbaseaux']['flags'], data['height'],
|
||||
settings.COINBASE_EXTRAS)
|
||||
else:
|
||||
coinbase = self.coinbase_transaction_class(self.timestamper, self.coinbaser, data['coinbasevalue'], data['coinbaseaux']['flags'], data['height'],
|
||||
settings.COINBASE_EXTRAS, data['curtime'])
|
||||
|
||||
coinbase = self.coinbase_transaction_class(self.timestamper, self.coinbaser, data['coinbasevalue'],
|
||||
data['coinbaseaux']['flags'], data['height'], settings.COINBASE_EXTRAS)
|
||||
|
||||
self.height = data['height']
|
||||
self.nVersion = data['version']
|
||||
self.hashPrevBlock = int(data['previousblockhash'], 16)
|
||||
|
||||
@ -9,59 +9,71 @@ log = lib.logger.get_logger('coinbaser')
|
||||
# TODO: Add on_* hooks in the app
|
||||
|
||||
class SimpleCoinbaser(object):
|
||||
'''This very simple coinbaser uses a constant coin address
|
||||
'''This very simple coinbaser uses constant bitcoin address
|
||||
for all generated blocks.'''
|
||||
|
||||
def __init__(self, bitcoin_rpc, address):
|
||||
# Fire callback when coinbaser is ready
|
||||
self.on_load = defer.Deferred()
|
||||
|
||||
print("hit the coinbaser")
|
||||
# Fire Callback when the coinbaser is ready
|
||||
self.on_load = defer.Deferred()
|
||||
|
||||
self.address = address
|
||||
self.is_valid = False # We need to check if pool can use this address
|
||||
|
||||
self.bitcoin_rpc = bitcoin_rpc
|
||||
self._validate()
|
||||
self.is_valid = False
|
||||
|
||||
self.bitcoin_rpc = bitcoin_rpc
|
||||
self._validate()
|
||||
|
||||
def _validate(self):
|
||||
d = self.bitcoin_rpc.validateaddress(self.address)
|
||||
d.addCallback(self._address_check)
|
||||
d.addErrback(self._failure)
|
||||
|
||||
def _address_check(self, result):
|
||||
if result['isvalid'] and result['ismine']:
|
||||
self.is_valid = True
|
||||
log.info("Coinbase address '%s' is valid" % self.address)
|
||||
|
||||
if not self.on_load.called:
|
||||
self.on_load.callback(True)
|
||||
|
||||
elif result['isvalid'] and settings.ALLOW_NONLOCAL_WALLET == True :
|
||||
self.is_valid = True
|
||||
log.warning("!!! Coinbase address '%s' is valid BUT it is not local" % self.address)
|
||||
|
||||
if not self.on_load.called:
|
||||
self.on_load.callback(True)
|
||||
d = self.bitcoin_rpc.validateaddress(self.address)
|
||||
if settings.COINDAEMON_Reward == 'POW':
|
||||
d.addCallback(self._POW_address_check)
|
||||
else: d.addCallback(self._POS_address_check)
|
||||
d.addErrback(self._failure)
|
||||
|
||||
def _POW_address_check(self, result):
|
||||
if result['isvalid'] and result['ismine']:
|
||||
self.is_valid = True
|
||||
log.info("Coinbase address '%s' is valid" % self.address)
|
||||
|
||||
if not self.on_load.called:
|
||||
self.on_load.callback(True)
|
||||
|
||||
elif result['isvalid'] and settings.ALLOW_NONLOCAL_WALLET == True :
|
||||
self.is_valid = True
|
||||
log.warning("!!! Coinbase address '%s' is valid BUT it is not local" % self.address)
|
||||
|
||||
if not self.on_load.called:
|
||||
self.on_load.callback(True)
|
||||
|
||||
else:
|
||||
self.is_valid = False
|
||||
log.error("Coinbase address '%s' is NOT valid!" % self.address)
|
||||
else:
|
||||
self.is_valid = False
|
||||
log.error("Coinbase address '%s' is NOT valid!" % self.address)
|
||||
|
||||
def _failure(self, failure):
|
||||
log.error("Cannot validate Bitcoin address '%s'" % self.address)
|
||||
raise
|
||||
def _POS_address_check(self, result):
|
||||
print(result)
|
||||
print(result['pubkey'])
|
||||
self.pubkey = result['pubkey']
|
||||
print("You're PUBKEY is : ", self.pubkey)
|
||||
# Fire callback when coinbaser is ready
|
||||
self.on_load.callback(True)
|
||||
|
||||
#def on_new_block(self):
|
||||
# pass
|
||||
|
||||
#def on_new_template(self):
|
||||
# pass
|
||||
def _failure(self, failure):
|
||||
log.error("Cannot validate Bitcoin address '%s'" % self.address)
|
||||
raise
|
||||
|
||||
def get_script_pubkey(self):
|
||||
if not self.is_valid:
|
||||
# Try again, maybe the coind was down?
|
||||
self._validate()
|
||||
raise Exception("Coinbase address is not validated!")
|
||||
return util.script_to_address(self.address)
|
||||
if settings.COINDAEMON_Reward == 'POW':
|
||||
if not self.is_valid:
|
||||
self._validate()
|
||||
raise Exception("Wallet Address is Wrong")
|
||||
return util.script_to_address(self.address)
|
||||
else:
|
||||
return util.script_to_pubkey(self.pubkey)
|
||||
|
||||
def get_coinbase_data(self):
|
||||
return ''
|
||||
|
||||
@ -2,8 +2,9 @@ import binascii
|
||||
import halfnode
|
||||
import struct
|
||||
import util
|
||||
|
||||
class CoinbaseTransaction(halfnode.CTransaction):
|
||||
import settings
|
||||
if settings.COINDAEMON_Reward == 'POW':
|
||||
class CoinbaseTransaction(halfnode.CTransaction):
|
||||
'''Construct special transaction used for coinbase tx.
|
||||
It also implements quick serialization using pre-cached
|
||||
scriptSig template.'''
|
||||
@ -46,4 +47,50 @@ class CoinbaseTransaction(halfnode.CTransaction):
|
||||
raise Exception("Incorrect extranonce size")
|
||||
|
||||
(part1, part2) = self.vin[0]._scriptSig_template
|
||||
self.vin[0].scriptSig = part1 + extranonce + part2
|
||||
self.vin[0].scriptSig = part1 + extranonce + part2
|
||||
else:
|
||||
class CoinbaseTransaction(halfnode.CTransaction):
|
||||
'''Construct special transaction used for coinbase tx.
|
||||
It also implements quick serialization using pre-cached
|
||||
scriptSig template.'''
|
||||
|
||||
extranonce_type = '>Q'
|
||||
extranonce_placeholder = struct.pack(extranonce_type, int('f000000ff111111f', 16))
|
||||
extranonce_size = struct.calcsize(extranonce_type)
|
||||
|
||||
def __init__(self, timestamper, coinbaser, value, flags, height, data, ntime):
|
||||
super(CoinbaseTransaction, self).__init__()
|
||||
|
||||
#self.extranonce = 0
|
||||
|
||||
if len(self.extranonce_placeholder) != self.extranonce_size:
|
||||
raise Exception("Extranonce placeholder don't match expected length!")
|
||||
|
||||
tx_in = halfnode.CTxIn()
|
||||
tx_in.prevout.hash = 0L
|
||||
tx_in.prevout.n = 2**32-1
|
||||
tx_in._scriptSig_template = (
|
||||
util.ser_number(height) + binascii.unhexlify(flags) + util.ser_number(int(timestamper.time())) + \
|
||||
chr(self.extranonce_size),
|
||||
util.ser_string(coinbaser.get_coinbase_data() + data)
|
||||
)
|
||||
|
||||
tx_in.scriptSig = tx_in._scriptSig_template[0] + self.extranonce_placeholder + tx_in._scriptSig_template[1]
|
||||
|
||||
tx_out = halfnode.CTxOut()
|
||||
tx_out.nValue = value
|
||||
tx_out.scriptPubKey = coinbaser.get_script_pubkey()
|
||||
|
||||
self.nTime = ntime
|
||||
self.vin.append(tx_in)
|
||||
self.vout.append(tx_out)
|
||||
|
||||
# Two parts of serialized coinbase, just put part1 + extranonce + part2 to have final serialized tx
|
||||
self._serialized = super(CoinbaseTransaction, self).serialize().split(self.extranonce_placeholder)
|
||||
|
||||
def set_extranonce(self, extranonce):
|
||||
if len(extranonce) != self.extranonce_size:
|
||||
raise Exception("Incorrect extranonce size")
|
||||
|
||||
(part1, part2) = self.vin[0]._scriptSig_template
|
||||
self.vin[0].scriptSig = part1 + extranonce + part2
|
||||
|
||||
@ -138,25 +138,49 @@ class CTxOut(object):
|
||||
|
||||
class CTransaction(object):
|
||||
def __init__(self):
|
||||
self.nVersion = 1
|
||||
self.vin = []
|
||||
self.vout = []
|
||||
self.nLockTime = 0
|
||||
self.sha256 = None
|
||||
if settings.COINDAEMON_Reward == 'POW':
|
||||
self.nVersion = 1
|
||||
self.vin = []
|
||||
self.vout = []
|
||||
self.nLockTime = 0
|
||||
self.sha256 = None
|
||||
else:
|
||||
self.nVersion = 1
|
||||
self.nTime = 0
|
||||
self.vin = []
|
||||
self.vout = []
|
||||
self.nLockTime = 0
|
||||
self.sha256 = None
|
||||
def deserialize(self, f):
|
||||
self.nVersion = struct.unpack("<i", f.read(4))[0]
|
||||
self.vin = deser_vector(f, CTxIn)
|
||||
self.vout = deser_vector(f, CTxOut)
|
||||
self.nLockTime = struct.unpack("<I", f.read(4))[0]
|
||||
self.sha256 = None
|
||||
if settings.COINDAEMON_Reward == 'POW':
|
||||
self.nVersion = struct.unpack("<i", f.read(4))[0]
|
||||
self.vin = deser_vector(f, CTxIn)
|
||||
self.vout = deser_vector(f, CTxOut)
|
||||
self.nLockTime = struct.unpack("<I", f.read(4))[0]
|
||||
self.sha256 = None
|
||||
else:
|
||||
self.nVersion = struct.unpack("<i", f.read(4))[0]
|
||||
self.nTime = struct.unpack("<i", f.read(4))[0]
|
||||
self.vin = deser_vector(f, CTxIn)
|
||||
self.vout = deser_vector(f, CTxOut)
|
||||
self.nLockTime = struct.unpack("<I", f.read(4))[0]
|
||||
self.sha256 = None
|
||||
def serialize(self):
|
||||
r = ""
|
||||
r += struct.pack("<i", self.nVersion)
|
||||
r += ser_vector(self.vin)
|
||||
r += ser_vector(self.vout)
|
||||
r += struct.pack("<I", self.nLockTime)
|
||||
return r
|
||||
|
||||
if settings.COINDAEMON_Reward == 'POW':
|
||||
r = ""
|
||||
r += struct.pack("<i", self.nVersion)
|
||||
r += ser_vector(self.vin)
|
||||
r += ser_vector(self.vout)
|
||||
r += struct.pack("<I", self.nLockTime)
|
||||
return r
|
||||
else:
|
||||
r = ""
|
||||
r += struct.pack("<i", self.nVersion)
|
||||
r += struct.pack("<i", self.nTime)
|
||||
r += ser_vector(self.vin)
|
||||
r += ser_vector(self.vout)
|
||||
r += struct.pack("<I", self.nLockTime)
|
||||
return r
|
||||
def calc_sha256(self):
|
||||
if self.sha256 is None:
|
||||
self.sha256 = uint256_from_str(SHA256.new(SHA256.new(self.serialize()).digest()).digest())
|
||||
@ -184,6 +208,10 @@ class CBlock(object):
|
||||
if settings.COINDAEMON_ALGO == 'scrypt':
|
||||
self.scrypt = None
|
||||
else: pass
|
||||
if settings.COINDAEMON_Reward == 'POS':
|
||||
self.signature = b""
|
||||
else: pass
|
||||
|
||||
def deserialize(self, f):
|
||||
self.nVersion = struct.unpack("<i", f.read(4))[0]
|
||||
self.hashPrevBlock = deser_uint256(f)
|
||||
@ -192,6 +220,9 @@ class CBlock(object):
|
||||
self.nBits = struct.unpack("<I", f.read(4))[0]
|
||||
self.nNonce = struct.unpack("<I", f.read(4))[0]
|
||||
self.vtx = deser_vector(f, CTransaction)
|
||||
if settings.COINDAEMON_Reward == 'POS':
|
||||
self.signature = deser_string(f)
|
||||
else: pass
|
||||
def serialize(self):
|
||||
r = []
|
||||
r.append(struct.pack("<i", self.nVersion))
|
||||
@ -201,6 +232,9 @@ class CBlock(object):
|
||||
r.append(struct.pack("<I", self.nBits))
|
||||
r.append(struct.pack("<I", self.nNonce))
|
||||
r.append(ser_vector(self.vtx))
|
||||
if settings.COINDAEMON_Reward == 'POS':
|
||||
r.append(ser_string(self.signature))
|
||||
else: pass
|
||||
return ''.join(r)
|
||||
|
||||
if settings.COINDAEMON_ALGO == 'scrypt':
|
||||
|
||||
@ -131,7 +131,8 @@ class TemplateRegistry(object):
|
||||
start = Interfaces.timestamper.time()
|
||||
|
||||
template = self.block_template_class(Interfaces.timestamper, self.coinbaser, JobIdGenerator.get_new_id())
|
||||
template.fill_from_rpc(data)
|
||||
print("hit template registry")
|
||||
log.info(template.fill_from_rpc(data))
|
||||
self.add_template(template,data['height'])
|
||||
|
||||
log.info("Update finished, %.03f sec, %d txes" % \
|
||||
|
||||
288
lib/template_registry.py.save
Normal file
288
lib/template_registry.py.save
Normal file
@ -0,0 +1,288 @@
|
||||
import weakref
|
||||
import binascii
|
||||
import util
|
||||
import StringIO
|
||||
import settings
|
||||
if settings.COINDAEMON_ALGO == 'scrypt':
|
||||
import ltc_scrypt
|
||||
else: pass
|
||||
from twisted.internet import defer
|
||||
from lib.exceptions import SubmitException
|
||||
|
||||
import lib.logger
|
||||
log = lib.logger.get_logger('template_registry')
|
||||
|
||||
from mining.interfaces import Interfaces
|
||||
from extranonce_counter import ExtranonceCounter
|
||||
import lib.settings as settings
|
||||
|
||||
|
||||
class JobIdGenerator(object):
|
||||
'''Generate pseudo-unique job_id. It does not need to be absolutely unique,
|
||||
because pool sends "clean_jobs" flag to clients and they should drop all previous jobs.'''
|
||||
counter = 0
|
||||
|
||||
@classmethod
|
||||
def get_new_id(cls):
|
||||
cls.counter += 1
|
||||
if cls.counter % 0xffff == 0:
|
||||
cls.counter = 1
|
||||
return "%x" % cls.counter
|
||||
|
||||
class TemplateRegistry(object):
|
||||
'''Implements the main logic of the pool. Keep track
|
||||
on valid block templates, provide internal interface for stratum
|
||||
service and implements block validation and submits.'''
|
||||
|
||||
def __init__(self, block_template_class, coinbaser, bitcoin_rpc, instance_id,
|
||||
on_template_callback, on_block_callback):
|
||||
self.prevhashes = {}
|
||||
self.jobs = weakref.WeakValueDictionary()
|
||||
|
||||
self.extranonce_counter = ExtranonceCounter(instance_id)
|
||||
self.extranonce2_size = block_template_class.coinbase_transaction_class.extranonce_size \
|
||||
- self.extranonce_counter.get_size()
|
||||
|
||||
self.coinbaser = coinbaser
|
||||
self.block_template_class = block_template_class
|
||||
self.bitcoin_rpc = bitcoin_rpc
|
||||
self.on_block_callback = on_block_callback
|
||||
self.on_template_callback = on_template_callback
|
||||
|
||||
self.last_block = None
|
||||
self.update_in_progress = False
|
||||
self.last_update = None
|
||||
|
||||
# Create first block template on startup
|
||||
self.update_block()
|
||||
|
||||
def get_new_extranonce1(self):
|
||||
'''Generates unique extranonce1 (e.g. for newly
|
||||
subscribed connection.'''
|
||||
return self.extranonce_counter.get_new_bin()
|
||||
|
||||
def get_last_broadcast_args(self):
|
||||
'''Returns arguments for mining.notify
|
||||
from last known template.'''
|
||||
return self.last_block.broadcast_args
|
||||
|
||||
def add_template(self, block,block_height):
|
||||
'''Adds new template to the registry.
|
||||
It also clean up templates which should
|
||||
not be used anymore.'''
|
||||
|
||||
prevhash = block.prevhash_hex
|
||||
|
||||
if prevhash in self.prevhashes.keys():
|
||||
new_block = False
|
||||
else:
|
||||
new_block = True
|
||||
self.prevhashes[prevhash] = []
|
||||
|
||||
# Blocks sorted by prevhash, so it's easy to drop
|
||||
# them on blockchain update
|
||||
self.prevhashes[prevhash].append(block)
|
||||
|
||||
# Weak reference for fast lookup using job_id
|
||||
self.jobs[block.job_id] = block
|
||||
|
||||
# Use this template for every new request
|
||||
self.last_block = block
|
||||
|
||||
# Drop templates of obsolete blocks
|
||||
for ph in self.prevhashes.keys():
|
||||
if ph != prevhash:
|
||||
del self.prevhashes[ph]
|
||||
|
||||
log.info("New template for %s" % prevhash)
|
||||
|
||||
if new_block:
|
||||
# Tell the system about new block
|
||||
# It is mostly important for share manager
|
||||
self.on_block_callback(prevhash, block_height)
|
||||
|
||||
# Everything is ready, let's broadcast jobs!
|
||||
self.on_template_callback(new_block)
|
||||
|
||||
|
||||
#from twisted.internet import reactor
|
||||
#reactor.callLater(10, self.on_block_callback, new_block)
|
||||
|
||||
def update_block(self):
|
||||
'''Registry calls the getblocktemplate() RPC
|
||||
and build new block template.'''
|
||||
|
||||
if self.update_in_progress:
|
||||
# Block has been already detected
|
||||
return
|
||||
|
||||
self.update_in_progress = True
|
||||
self.last_update = Interfaces.timestamper.time()
|
||||
|
||||
d = self.bitcoin_rpc.getblocktemplate()
|
||||
d.addCallback(self._update_block)
|
||||
d.addErrback(self._update_block_failed)
|
||||
|
||||
def _update_block_failed(self, failure):
|
||||
log.error(str(failure))
|
||||
self.update_in_progress = False
|
||||
|
||||
def _update_block(self, data):
|
||||
start = Interfaces.timestamper.time()
|
||||
|
||||
template = self.block_template_class(Interfaces.timestamper, self.coinbaser, JobIdGenerator.get_new_id())
|
||||
print("hit template registry")
|
||||
template.fill_from_rpc(data) template.fill_from_rpc(data)
|
||||
self.add_template(template,data['height'])
|
||||
|
||||
log.info("Update finished, %.03f sec, %d txes" % \
|
||||
(Interfaces.timestamper.time() - start, len(template.vtx)))
|
||||
|
||||
self.update_in_progress = False
|
||||
return data
|
||||
|
||||
def diff_to_target(self, difficulty):
|
||||
'''Converts difficulty to target'''
|
||||
if settings.COINDAEMON_ALGO == 'scrypt':
|
||||
diff1 = 0x0000ffff00000000000000000000000000000000000000000000000000000000
|
||||
else: diff1 = 0x00000000ffff0000000000000000000000000000000000000000000000000000
|
||||
return diff1 / difficulty
|
||||
|
||||
def get_job(self, job_id):
|
||||
'''For given job_id returns BlockTemplate instance or None'''
|
||||
try:
|
||||
j = self.jobs[job_id]
|
||||
except:
|
||||
log.info("Job id '%s' not found" % job_id)
|
||||
return None
|
||||
|
||||
# Now we have to check if job is still valid.
|
||||
# Unfortunately weak references are not bulletproof and
|
||||
# old reference can be found until next run of garbage collector.
|
||||
if j.prevhash_hex not in self.prevhashes:
|
||||
log.info("Prevhash of job '%s' is unknown" % job_id)
|
||||
return None
|
||||
|
||||
if j not in self.prevhashes[j.prevhash_hex]:
|
||||
log.info("Job %s is unknown" % job_id)
|
||||
return None
|
||||
|
||||
return j
|
||||
|
||||
def submit_share(self, job_id, worker_name, session, extranonce1_bin, extranonce2, ntime, nonce,
|
||||
difficulty):
|
||||
'''Check parameters and finalize block template. If it leads
|
||||
to valid block candidate, asynchronously submits the block
|
||||
back to the bitcoin network.
|
||||
|
||||
- extranonce1_bin is binary. No checks performed, it should be from session data
|
||||
- job_id, extranonce2, ntime, nonce - in hex form sent by the client
|
||||
- difficulty - decimal number from session, again no checks performed
|
||||
- submitblock_callback - reference to method which receive result of submitblock()
|
||||
'''
|
||||
|
||||
# Check if extranonce2 looks correctly. extranonce2 is in hex form...
|
||||
if len(extranonce2) != self.extranonce2_size * 2:
|
||||
raise SubmitException("Incorrect size of extranonce2. Expected %d chars" % (self.extranonce2_size*2))
|
||||
|
||||
# Check for job
|
||||
job = self.get_job(job_id)
|
||||
if job == None:
|
||||
raise SubmitException("Job '%s' not found" % job_id)
|
||||
|
||||
# Check if ntime looks correct
|
||||
if len(ntime) != 8:
|
||||
raise SubmitException("Incorrect size of ntime. Expected 8 chars")
|
||||
|
||||
if not job.check_ntime(int(ntime, 16)):
|
||||
raise SubmitException("Ntime out of range")
|
||||
|
||||
# Check nonce
|
||||
if len(nonce) != 8:
|
||||
raise SubmitException("Incorrect size of nonce. Expected 8 chars")
|
||||
|
||||
# Check for duplicated submit
|
||||
if not job.register_submit(extranonce1_bin, extranonce2, ntime, nonce):
|
||||
log.info("Duplicate from %s, (%s %s %s %s)" % \
|
||||
(worker_name, binascii.hexlify(extranonce1_bin), extranonce2, ntime, nonce))
|
||||
raise SubmitException("Duplicate share")
|
||||
|
||||
# Now let's do the hard work!
|
||||
# ---------------------------
|
||||
|
||||
# 0. Some sugar
|
||||
extranonce2_bin = binascii.unhexlify(extranonce2)
|
||||
ntime_bin = binascii.unhexlify(ntime)
|
||||
nonce_bin = binascii.unhexlify(nonce)
|
||||
|
||||
# 1. Build coinbase
|
||||
coinbase_bin = job.serialize_coinbase(extranonce1_bin, extranonce2_bin)
|
||||
coinbase_hash = util.doublesha(coinbase_bin)
|
||||
|
||||
# 2. Calculate merkle root
|
||||
merkle_root_bin = job.merkletree.withFirst(coinbase_hash)
|
||||
merkle_root_int = util.uint256_from_str(merkle_root_bin)
|
||||
|
||||
# 3. Serialize header with given merkle, ntime and nonce
|
||||
header_bin = job.serialize_header(merkle_root_int, ntime_bin, nonce_bin)
|
||||
|
||||
# 4. Reverse header and compare it with target of the user
|
||||
if settings.COINDAEMON_ALGO == 'scrypt':
|
||||
hash_bin = ltc_scrypt.getPoWHash(''.join([ header_bin[i*4:i*4+4][::-1] for i in range(0, 20) ]))
|
||||
else: hash_bin = util.doublesha(''.join([ header_bin[i*4:i*4+4][::-1] for i in range(0, 20) ]))
|
||||
hash_int = util.uint256_from_str(hash_bin)
|
||||
scrypt_hash_hex = "%064x" % hash_int
|
||||
header_hex = binascii.hexlify(header_bin)
|
||||
if settings.COINDAEMON_ALGO == 'scrypt':
|
||||
header_hex = header_hex+"000000800000000000000000000000000000000000000000000000000000000000000000000000000000000080020000"
|
||||
else: pass
|
||||
|
||||
target_user = self.diff_to_target(difficulty)
|
||||
if hash_int > target_user and \
|
||||
( 'prev_jobid' not in session or session['prev_jobid'] < job_id \
|
||||
or 'prev_diff' not in session or hash_int > self.diff_to_target(session['prev_diff']) ):
|
||||
raise SubmitException("Share is above target")
|
||||
|
||||
# Mostly for debugging purposes
|
||||
target_info = self.diff_to_target(100000)
|
||||
if hash_int <= target_info:
|
||||
log.info("Yay, share with diff above 100000")
|
||||
|
||||
# Algebra tells us the diff_to_target is the same as hash_to_diff
|
||||
share_diff = int(self.diff_to_target(hash_int))
|
||||
|
||||
|
||||
# 5. Compare hash with target of the network
|
||||
if hash_int <= job.target:
|
||||
# Yay! It is block candidate!
|
||||
log.info("We found a block candidate! %s" % scrypt_hash_hex)
|
||||
|
||||
# Reverse the header and get the potential block hash (for scrypt only)
|
||||
block_hash_bin = util.doublesha(''.join([ header_bin[i*4:i*4+4][::-1] for i in range(0, 20) ]))
|
||||
block_hash_hex = block_hash_bin[::-1].encode('hex_codec')
|
||||
|
||||
# 6. Finalize and serialize block object
|
||||
job.finalize(merkle_root_int, extranonce1_bin, extranonce2_bin, int(ntime, 16), int(nonce, 16))
|
||||
|
||||
if not job.is_valid():
|
||||
# Should not happen
|
||||
log.error("Final job validation failed!")
|
||||
|
||||
# 7. Submit block to the network
|
||||
serialized = binascii.hexlify(job.serialize())
|
||||
on_submit = self.bitcoin_rpc.submitblock(serialized, block_hash_hex)
|
||||
if on_submit:
|
||||
self.update_block()
|
||||
|
||||
if settings.SOLUTION_BLOCK_HASH:
|
||||
return (header_hex, block_hash_hex, share_diff, on_submit)
|
||||
else:
|
||||
return (header_hex, scrypt_hash_hex, share_diff, on_submit)
|
||||
|
||||
if settings.SOLUTION_BLOCK_HASH:
|
||||
# Reverse the header and get the potential block hash (for scrypt only) only do this if we want to send in the block hash to the shares table
|
||||
block_hash_bin = util.doublesha(''.join([ header_bin[i*4:i*4+4][::-1] for i in range(0, 20) ]))
|
||||
block_hash_hex = block_hash_bin[::-1].encode('hex_codec')
|
||||
return (header_hex, block_hash_hex, share_diff, None)
|
||||
else:
|
||||
return (header_hex, scrypt_hash_hex, share_diff, None)
|
||||
22
lib/util.py
22
lib/util.py
@ -3,6 +3,8 @@
|
||||
import struct
|
||||
import StringIO
|
||||
import binascii
|
||||
import settings
|
||||
import bitcoin_rpc
|
||||
from hashlib import sha256
|
||||
|
||||
def deser_string(f):
|
||||
@ -171,7 +173,7 @@ def address_to_pubkeyhash(addr):
|
||||
addr = b58decode(addr, 25)
|
||||
except:
|
||||
return None
|
||||
|
||||
|
||||
if addr is None:
|
||||
return None
|
||||
|
||||
@ -209,9 +211,15 @@ def ser_number(n):
|
||||
s.append(n)
|
||||
return bytes(s)
|
||||
|
||||
def script_to_address(addr):
|
||||
d = address_to_pubkeyhash(addr)
|
||||
if not d:
|
||||
raise ValueError('invalid address')
|
||||
(ver, pubkeyhash) = d
|
||||
return b'\x76\xa9\x14' + pubkeyhash + b'\x88\xac'
|
||||
if settings.COINDAEMON_Reward == 'POW':
|
||||
def script_to_address(addr):
|
||||
d = address_to_pubkeyhash(addr)
|
||||
if not d:
|
||||
raise ValueError('invalid address')
|
||||
(ver, pubkeyhash) = d
|
||||
return b'\x76\xa9\x14' + pubkeyhash + b'\x88\xac'
|
||||
else:
|
||||
def script_to_pubkey(key):
|
||||
if len(key) == 66: key = binascii.unhexlify(key)
|
||||
if len(key) != 33: raise Exception('invalid pubkey passed to script_to_pubkey')
|
||||
return b'\x21' + key + b'\xac'
|
||||
|
||||
@ -125,7 +125,7 @@ class BasicShareLimiter(object):
|
||||
ddiff = 1
|
||||
# Don't go above LITECOIN or VDIFF_MAX_TARGET
|
||||
self.update_litecoin_difficulty()
|
||||
if settings.USE_LITECOIN_DIFF:
|
||||
if settings.USE_COINDAEMON_DIFF:
|
||||
diff_max = min([settings.VDIFF_MAX_TARGET, self.litecoin_diff])
|
||||
else:
|
||||
diff_max = settings.VDIFF_MAX_TARGET
|
||||
|
||||
Loading…
Reference in New Issue
Block a user