def test_from_merkle_hvc(self):
hashes = [
u'0511ad21ba69ece737568f72f925b068807aedb0f329aba76d8c9ccffd68add9',
u'fbd125fba1d3dcd0852abfefbb21a78b0fbf3627ede4a0c7180f023564bc047c',
u'57930b0987f5974b6637ba33eacf1a8c659ada1ef24a199003b39a2879ad2a13',
u'56183660728d5890468f96b7e0c4c7b69ec370557375700cdd8ec2bbf4f774f7',
]
deserial = [unhexlify(hsh)[::-1] for hsh in hashes]
fake_coinbase = Transaction(coin='HVC')
fake_coinbase._hash = deserial[0]
branch = merklebranch(deserial[1:], hashes=True, hash_func=hvc_hash)
self.assertEquals(
"bf97c8ac14a0c115598e2d06f4522b332415a568a0f16330d8f8317534829160",
hexlify(
merkleroot(deserial, hashes=True, be=True,
hash_func=hvc_hash)[0]).decode('ascii'))
self.assertEquals(
"bf97c8ac14a0c115598e2d06f4522b332415a568a0f16330d8f8317534829160",
hexlify(
from_merklebranch(branch,
fake_coinbase,
True,
hash_func=hvc_hash)))
def update_pool(conn):
try:
# request local memory pool and load it in
bt = conn.getblocktemplate({'capabilities': [
'coinbasevalue',
'coinbase/append',
'coinbase',
'generation',
'time',
'transactions/remove',
'prevblock',
]})
except Exception:
logger.warn("Failed to fetch new job, RPC must be down..")
down_connection(conn, net_state)
return False
dirty = 0 # track a change in the transaction pool
for trans in bt['transactions']:
if trans['hash'] not in net_state['transactions']:
dirty += 1
new_trans = Transaction(unhexlify(trans['data']),
fees=trans['fee'])
assert trans['hash'] == new_trans.lehexhash
net_state['transactions'][trans['hash']] = new_trans
if dirty or len(net_state['jobs']) == 0:
# here we recalculate the current merkle branch and partial
# coinbases for passing to the mining clients
coinbase = Transaction()
coinbase.version = 2
# create a coinbase input with encoded height and padding for the
# extranonces so script length is accurate
extranonce_length = (config['extranonce_size'] +
config['extranonce_serv_size'])
coinbase.inputs.append(
Input.coinbase(bt['height'], b'\0' * extranonce_length))
# simple output to the proper address and value
fees = 0
for t in net_state['transactions'].itervalues():
fees += t.fees
coinbase.outputs.append(
Output.to_address(bt['coinbasevalue'] - fees, config['pool_address']))
job_id = hexlify(pack(str("I"), net_state['job_counter']))
logger.info("Generating new block template with {} trans"
.format(len(net_state['transactions'])))
bt_obj = BlockTemplate.from_gbt(bt, coinbase, extranonce_length, [])
bt_obj.job_id = job_id
bt_obj.block_height = bt['height']
bt_obj.acc_shares = set()
net_state['job_counter'] += 1
net_state['jobs'][job_id] = bt_obj
net_state['latest_job'] = job_id
logger.debug("Adding {} new transactions to transaction pool, "
"created job {}".format(dirty, job_id))
return bt_obj
def test_block_template():
gbt = {u'coinbaseaux': {u'flags': u''}, u'vbavailable': {}, u'previousblockhash': u'00000061786317587bcfe97516cd00a541962334779d60efdb7c4efeb670ac77', u'target': u'7fffff0000000000000000000000000000000000000000000000000000000000', u'noncerange': u'00000000ffffffff', u'transactions': [], u'rules': [], u'vbrequired': 0, u'curtime': 1500584586, u'capabilities': [u'proposal'], u'height': 16, 'update_time': 1500584586.899153, u'mintime': 1500584329, u'version': 536870912, u'bits': u'207fffff', u'coinbasevalue': 5000000000, u'sigoplimit': 20000, u'sizelimit': 1000000, u'mutable': [u'time', u'transactions', u'prevblock'], u'longpollid': u'00000061786317587bcfe97516cd00a541962334779d60efdb7c4efeb670ac7718'}
extranonce_length = 4
coinbase = Transaction()
coinbase.version = 2
coinbase.inputs.append(
Input.coinbase(gbt['height'], [], extra_script_sig=b'\0' * extranonce_length))
coinbase_value = 10000000
coinbase.outputs.append(Output.to_address(coinbase_value, "1F1tAaz5x1HUXrCNLbtMDqcw6o5GNn4xqX"))
bt_obj = BlockTemplate.from_gbt(gbt, coinbase, extranonce_length, [])
def test_stratum_confirm(self):
""" Test some raw data from cgminer submitting a share, confirm
hashes come out the same as cgminer.
Raw stratum params:
"""
gbt = {u'bits': u'1e00e92b',
u'coinbaseaux': {u'flags': u'062f503253482f'},
u'coinbasevalue': 5000000000,
u'curtime': 1392509565,
u'height': 203588,
u'mintime': 1392508633,
u'mutable': [u'time', u'transactions', u'prevblock'],
u'noncerange': u'00000000ffffffff',
u'previousblockhash': u'b0f5ecb62774f2f07fdc0f72fa0585ae3e8ca78ad8692209a355d12bc690fb73',
u'sigoplimit': 20000,
u'sizelimit': 1000000,
u'target': u'000000e92b000000000000000000000000000000000000000000000000000000',
u'transactions': [],
u'version': 2}
extra1 = '0000000000000000'
submit = {'extra2': '00000000', 'nonce': 'd5160000',
'result': '000050ccfe8a3efe93b2ee33d2aecf4a60c809995c7dd19368a7d00c86880f30'}
# build a block template object from the raw data
coinbase = Transaction()
coinbase.version = 2
coinbase.inputs.append(Input.coinbase(gbt['height'], b'\0' * 12))
coinbase.outputs.append(Output.to_address(gbt['coinbasevalue'], 'D7QJyeBNuwEqxsyVCLJi3pHs64uPdMDuBa'))
transactions = []
for trans in gbt['transactions']:
new_trans = Transaction(unhexlify(trans['data']), fees=trans['fee'])
assert trans['hash'] == new_trans.lehexhash
transactions.append(new_trans)
bt = BlockTemplate.from_gbt(gbt, coinbase, 12, transactions)
send_params = bt.stratum_params()
print("job_id: {0}\nprevhash: {1}\ncoinbase1: {2}\ncoinbase2: {3}"
"\nmerkle_branch: {4}\nversion: {5}\nnbits: {6}\nntime: {7}"
.format(*send_params))
header = bt.block_header(submit['nonce'], extra1, submit['extra2'])
hash_bin = scrypt(header)
target = target_from_diff(1, 0x0000FFFF00000000000000000000000000000000000000000000000000000000)
hash_int = uint256_from_str(hash_bin)
hash_hex = "%064x" % hash_int
self.assertEquals(hash_hex, submit['result'])
assert hash_int < target
def transaction_fuzz(args):
""" Requests pending transactions from bitcoind and parses them with the
transaction object disassemble. Uses the input hashes of these to look up
more transactions and records and prints any failures. """
conn = AuthServiceProxy("http://{0}:{1}@{2}:{3}/".format(args.username,
args.password,
args.address,
args.port))
failure = 0
success = 0
coinbase = 0
proc = set()
fail = []
unidentified = {}
try:
while True:
# get new transactions from bitcoind
trans = conn.getblocktemplate()['transactions']
unidentified.update(
{val['hash']: val['data'] for val in trans if val['hash'] not in proc})
new = {}
for hash, data in six.iteritems(unidentified):
print("Testing transaction " + hash)
t_obj = Transaction(unhexlify(data))
t_obj.disassemble()
for inp in t_obj.inputs:
new_hash = hexlify(inp.prevout_hash[::-1]).decode('ascii')
if new_hash not in proc:
try:
new[new_hash] = conn.getrawtransaction(new_hash)
except Exception:
pass
t_obj.assemble()
if t_obj.is_coinbase:
coinbase += 1
t_obj.disassemble(t_obj._raw)
try:
assert t_obj.lehexhash.decode('ascii') == hash
except Exception:
failure += 1
fail.append(data)
else:
success += 1
proc.add(hash)
unidentified.update(new)
sys.stdout.write(".")
sleep(args.sleep)
finally:
print()
for f in fail:
print("\n\n")
print(f)
print("Failed: %s" % failure)
print("Coinbase: %s" % coinbase)
print("Success: %s" % success)
def test_from_merkle_mls(self):
hashes = [
u'044af3d25dd487c982e85ff45c40d41561bcdc3477174862460db9583143beaa',
u'4e6c02a0ab2ba51e9da9c10556b293a708884030b4145f5fa5357372c71a836f',
]
deserial = [unhexlify(hsh)[::-1] for hsh in hashes]
fake_coinbase = Transaction(coin='HVC')
fake_coinbase._hash = deserial[0]
branch = merklebranch(deserial[1:], hashes=True, hash_func=hvc_hash)
self.assertEquals(
"dcef589f3e0b3ce034709b16d59543aae3ea19897ccea87778072537aa7ce8a2",
hexlify(merkleroot(deserial, hashes=True, be=True, hash_func=hvc_hash)[0]).decode('ascii'))
self.assertEquals(
"dcef589f3e0b3ce034709b16d59543aae3ea19897ccea87778072537aa7ce8a2",
hexlify(from_merklebranch(branch, fake_coinbase, True, hash_func=hvc_hash)))
def test_coinbase(self):
coinbase = Transaction()
coinbase.version = 2
coinbase.inputs.append(Input.coinbase(12000, b'\0' * 6))
coinbase.outputs.append(
Output.to_address(50000, 'D7QJyeBNuwEqxsyVCLJi3pHs64uPdMDuBa'))
one, two = coinbase.assemble(split=True)
one = one[:-6]
test = Transaction(one + unhexlify('0abcdef01012') + two)
test.disassemble()
def test_from_merkle_hvc(self):
hashes = [
u'0511ad21ba69ece737568f72f925b068807aedb0f329aba76d8c9ccffd68add9',
u'fbd125fba1d3dcd0852abfefbb21a78b0fbf3627ede4a0c7180f023564bc047c',
u'57930b0987f5974b6637ba33eacf1a8c659ada1ef24a199003b39a2879ad2a13',
u'56183660728d5890468f96b7e0c4c7b69ec370557375700cdd8ec2bbf4f774f7',
]
deserial = [unhexlify(hsh)[::-1] for hsh in hashes]
fake_coinbase = Transaction(coin='HVC')
fake_coinbase._hash = deserial[0]
branch = merklebranch(deserial[1:], hashes=True, hash_func=hvc_hash)
self.assertEquals(
"bf97c8ac14a0c115598e2d06f4522b332415a568a0f16330d8f8317534829160",
hexlify(merkleroot(deserial, hashes=True, be=True, hash_func=hvc_hash)[0]).decode('ascii'))
self.assertEquals(
"bf97c8ac14a0c115598e2d06f4522b332415a568a0f16330d8f8317534829160",
hexlify(from_merklebranch(branch, fake_coinbase, True, hash_func=hvc_hash)))
def test_block_header2(self):
# pulled from litecoin blockchain and modded slightly with full block header
block_data = {
'bits':
'1d018ea7',
'hash':
'adf6e2e56df692822f5e064a8b6404a05d67cccd64bc90f57f65b46805e9a54b',
'height':
29255,
'merkleroot':
'066b2a758399d5f19b5c6073d09b500d925982adc4b3edd352efe14667a8ca9f',
'nonce':
hexlify(pack(str(">L"), 3562614017)),
'previousblockhash':
'279f6330ccbbb9103b9e3a5350765052081ddbae898f1ef6b8c64f3bcef715f6',
'curtime':
1320884152,
'raw_header':
'01000000f615f7ce3b4fc6b8f61e8f89aedb1d0852507650533a9e3b10b9bbcc30639f279fcaa86746e1ef52d3edb3c4ad8259920d509bd073605c9bf1d59983752a6b06b817bb4ea78e011d012d59d4',
'tx':
[('066b2a758399d5f19b5c6073d09b500d925982adc4b3edd352efe14667a8ca9f',
'01000000010000000000000000000000000000000000000000000000000000000000000000ffffffff0804b217bb4e022309ffffffff0100f2052a010000004341044870341873accab7600d65e204bb4ae47c43d20c562ebfbf70cbcb188da98dec8b5ccf0526c8e4d954c6b47b898cc30adf1ff77c2e518ddc9785b87ccb90b8cdac00000000'
)],
'version':
1
}
# make a list of objects
# confirm that the objects hash correctly
coinbase = None
transactions = [
Transaction(unhexlify(data.encode('ascii')), disassemble=True)
for _, data in block_data['tx']
]
self.assertEquals(hexlify(merkleroot(transactions, be=True)[0]),
block_data['merkleroot'])
for obj, hsh in zip(transactions, block_data['tx']):
hsh = hsh[0]
obj.disassemble()
self.assertEquals(obj.lehexhash, hsh)
if obj.is_coinbase:
idx = transactions.index(obj)
coinbase = transactions.pop(idx)
print("Found coinbase idx {} Amount is {}".format(
idx, coinbase.outputs[0].amount))
pprint(coinbase.to_dict())
tmplt = BlockTemplate.from_gbt(block_data,
coinbase,
transactions=transactions)
self.assertEquals(hexlify(tmplt.merkleroot_be(coinbase)),
block_data['merkleroot'])
header = tmplt.block_header(block_data['nonce'], b'', b'')
self.assertEquals(block_data['raw_header'], hexlify(header))
assert tmplt.validate_scrypt(
header, target_unpack(unhexlify(block_data['bits'])))
def test_from_merkle(self):
hashes = [
u'0549ac6ce7c0256174f29aec802d59ad5dcd49da0160f55b793bf056b0ab87d3',
u'e010c10d8b9a7ab835498f160ed1ab585d4a5d30f88d431988254ec9120371cf',
u'29057d0ebb70519850697a2004909ce7fe986162fb31dbd3817db378ab0f4dbb',
u'b225985430eda525cfb40f0fc390ab6138b037b3418e1f32abb386e028352c65',
u'20bae70c4a10dabd6a9c34a2a81f05bfeede917dcf0c9cacbb40278f3f8fb36a',
]
deserial = [unhexlify(hsh)[::-1] for hsh in hashes]
fake_coinbase = Transaction()
fake_coinbase._hash = deserial[0]
branch = merklebranch(deserial[1:], hashes=True)
self.assertEquals(
"652a365df3f5498cc5e9c578f20df9607a739c659711efa35cdc74f247410dc5",
hexlify(merkleroot(deserial, hashes=True, be=True)[0]).decode('ascii'))
self.assertEquals(
"652a365df3f5498cc5e9c578f20df9607a739c659711efa35cdc74f247410dc5",
hexlify(from_merklebranch(branch, fake_coinbase, True)))
def test_from_merkle(self):
hashes = [
u'0549ac6ce7c0256174f29aec802d59ad5dcd49da0160f55b793bf056b0ab87d3',
u'e010c10d8b9a7ab835498f160ed1ab585d4a5d30f88d431988254ec9120371cf',
u'29057d0ebb70519850697a2004909ce7fe986162fb31dbd3817db378ab0f4dbb',
u'b225985430eda525cfb40f0fc390ab6138b037b3418e1f32abb386e028352c65',
u'20bae70c4a10dabd6a9c34a2a81f05bfeede917dcf0c9cacbb40278f3f8fb36a',
]
deserial = [unhexlify(hsh)[::-1] for hsh in hashes]
fake_coinbase = Transaction()
fake_coinbase._hash = deserial[0]
branch = merklebranch(deserial[1:], hashes=True)
self.assertEquals(
"652a365df3f5498cc5e9c578f20df9607a739c659711efa35cdc74f247410dc5",
hexlify(merkleroot(deserial, hashes=True,
be=True)[0]).decode('ascii'))
self.assertEquals(
"652a365df3f5498cc5e9c578f20df9607a739c659711efa35cdc74f247410dc5",
hexlify(from_merklebranch(branch, fake_coinbase, True)))
def test_from_merkle_mls(self):
hashes = [
u'044af3d25dd487c982e85ff45c40d41561bcdc3477174862460db9583143beaa',
u'4e6c02a0ab2ba51e9da9c10556b293a708884030b4145f5fa5357372c71a836f',
]
deserial = [unhexlify(hsh)[::-1] for hsh in hashes]
fake_coinbase = Transaction(coin='HVC')
fake_coinbase._hash = deserial[0]
branch = merklebranch(deserial[1:], hashes=True, hash_func=hvc_hash)
self.assertEquals(
"dcef589f3e0b3ce034709b16d59543aae3ea19897ccea87778072537aa7ce8a2",
hexlify(
merkleroot(deserial, hashes=True, be=True,
hash_func=hvc_hash)[0]).decode('ascii'))
self.assertEquals(
"dcef589f3e0b3ce034709b16d59543aae3ea19897ccea87778072537aa7ce8a2",
hexlify(
from_merklebranch(branch,
fake_coinbase,
True,
hash_func=hvc_hash)))
def test_coinbase(self):
coinbase = Transaction()
coinbase.version = 2
coinbase.inputs.append(Input.coinbase(12000, b'\0' * 6))
coinbase.outputs.append(
Output.to_address(50000, 'D7QJyeBNuwEqxsyVCLJi3pHs64uPdMDuBa'))
one, two = coinbase.assemble(split=True)
one = one[:-6]
test = Transaction(one + unhexlify('0abcdef01012') + two)
test.disassemble()
def test_from_merkle(self):
hashes = [
u'031b96acd2c05833758460d46466be1086361cd9c2844f26538e0bf9afa19841',
u'b20c1a5e2b69bac036596e3303fda56221f7a0890898512c06755399d63583c9',
u'49ec27da3cc56167b01118461d22297e56654ab680d3ff5842263e0e35cff209',
u'7cee60dcb944a00c2e1dda02774fdbe91dd4e920e12053f9b7b8d1e5fb539991',
u'650a54d0b53cc89be342a3883b96462bcdb0054e6ec2c29c6fe81d08c0c2b546',
u'10d44ef68e5f7929e2a79c42a83d5c4155fcf82da0901d3bdea436ba1da21cac',
u'2a5c3ede2786638db6eb52a6229a828f0e7de3a33e1091d5caa1048592e05133',
u'aff21bcae129d57dc37aa8c75d41652e5d7bd8a58bfd2195ad4e3e129b856e12',
u'94ed6c0089a259b0fd593ff26a5055157179cc0679ae4f16f25c030b5a64b441',
u'3effb59479c79f1cbe79e2bcb5825c3ec4b1c9fd2011ac121b1369d38234c4cc',
u'98db3cccb6e2c6fd69d87693def5df9fc0720f7298fa811a523d7dfe42b5ae8f',
u'3663378ea537dced269957442d17aa5452060c8b04a9b1b80613e496b8999a65',
u'2ee24381fb4f3e52d0aabc1686096efbb1d5a0b63f0c7451f697d31fec34ac23',
u'329439f7481c3efaff5e82936f650c063a797265f3b0941e5d20b5d0df930954',
u'3da1168feef4a45c19cfac6cbe104927954a459a2010a0d3a5cc667087c5bf7c',
u'c33e8ec70c0fee9e3794e91100987c22e7e1d96c32be10c93eb1e41ae2041136',
u'80a39c4002c89f037f2bfdf9377027e8af0e302a709abc83a0312f541b37a5b8',
u'3f979f56f041eb972b73cee4b992262d6c5dcf540bbb7804455c4c407fc6facf',
u'11c7f9d16c7ca6ad5afac4308dcacdf8fd83aad23581d3a5a11311845465defa',
u'9a9e3ed8aa8e72f8cf438e00f0d441e3ff7efc3ea5f4d8e8c199f142f46bd24d',
u'1eb8a910da4c04f165fc222edaa840d1cd9ff4df4ecadbeb71fde0292b5dda44',
u'95a9d16ce095f35da8c193afb411ae1dd0c4c6b9ea29b54b30b44bd7619b0f93',
u'16097a77cf25ccb91a1b49f76869c288dc0f41535d38bef3ba5ab9f509beadaf',
u'a847e20fb6de61346d2066dbaaf5e180355b64fbeac366a4c6c3a273d87ad6d2',
u'c03678582368d04386a7d1dd568784ab6f16e7f9d99052b740e67103f77cf7d9',
u'd3c0efa5b704ac115ce5e9bd6e60179e601a64711cb963e602daff93c94ab7eb',
u'ea1355acd68536b8694cd143d7ca0a79caf6fde35c45178868ea38062ceb06f7',
u'63de6020f5b7f80e446551cda8976e394ba834a8e1e083df32f440cba4cfa549',
u'c6993904f9ad9fd4ba3fad6f1c94aba2f2c01ff889b5089bde976940554cde7a',
u'8fafd793e9384fe5c88322ea47d01329f3b7f10c57e617088fd8b08bbe3f2919',
u'2fc314299a442e27e53afcb4c511f8843cd81a29f363b18120db55eddc75b115',
u'07cbb85877cb6c4e8dc137803f02667553031798bbe85709aaaaa7abc7d01cf9',
u'75ecf3a3cf703c1909ec454e3059daff5c445aab8ea9e3b2f42fdf328124d5fb',
u'd22b413f85483218c1225d4a2f5d5285b19095251445f2093370d447c8858568',
u'ca555b2828aa24fe71a60c0b1042d9bf4827c9bdf2d791c3e2206f6b236f8b2c',
u'e139729ba444a99d192ebf45b229f901e8ea29fb198143378467c2567fad8a38',
u'8b8a08193e8675943f9f65dec0acffac7a648fedd90b80419a5d347d83999681',
u'a9ffe21ec4c6a9f68fd48c753965896684fd03a5191996921d17b3543a08d69e',
u'571ec571305ba5243a68b297c16ecb71add209ce4fa672c1ffdc90e969afd207',
u'db37d10ed2449c7e223a3ce1346ed66a07b733fc0cdb8f9a27552b29dc61076c',
u'bd3378261297648c09345fe7702a4028b2c56f853086eaea5e03cda2d1d6573e',
u'71d0597baa6b673a1bac8daf5c9d2447bd64fba799449c5c8ec245b5d681cf5f',
u'68d7ca294bbfe075f7dcc521db418fcb822bc86caaa96219d2e135258676aabd',
u'dfef23ff7a3f21a946b2726ee88ed81e110be7152885d9a26996e7ba6b219e23',
u'0e7ae7690568de29d763bc2e51f28e6767b431ffc83e223187111872a48ba598',
u'd88a17b6325671243edfa315889be93828975c8a89ba2fea3f9e1754c874af3a',
u'b01a28e8dd891aa6915ce5b2be55133b7177eec60cd97861a8aae93f4d4a79b0',
u'691a7c91dd49578e363c2aa72c54248bb9e8389ca98c896950781390877c3a72',
u'b9db62c767249d58ec70c18250482f0cd276d085ac4f7d07af095218cbc31448',
u'c7b98e339ac1e47fcabf6c403974df3ed95c66134e867b350d835f64b7c24767',
u'5839cb48d43dbbfa3aedded2a4936b2555325a7333e15cdbe4441350fdedc9ea',
u'6b83bf5a2189cba5cf0e575b7d48268c4fc0ba96ca72043eceb0a20282b0d3f0',
u'5347aa403cee27080fce61de817f6ea4f6521f2372756b7e3f798e37791f3a8b',
u'2c9cce8b51f7e4fa2999eb9b7edd947dc085ffde88bbbd28df5ae0ccd1da1885',
u'1121858dab0210eb61bee7e1cad801c2d91f81c1dce7db1791da44137ae0dd4c',
u'8b4f50d0d80b707374d2c00a9278357edc040039d6987673df1722140201df05',
u'b08f1f3c9fd02fa6d913027da36252885645c055099c0ca469e58c50806f337a',
u'611a221b0682c6637cc540850e765cd3934719a224b60978a2592e48bc8dc5c2',
u'c454503fdb63dce12b5be7762f22a2a57f3ec98eead60b85d22296a036bcbb56',
u'5fee11f3e4459e95dbaaccd4e94c1ab682cbdaa20c2c8f59bccb429c2bc78ab1',
u'09da229c7f1293acf84be8f878b92a588e5453f0245348f37bdc4d6f5a387d47',
u'ed673ca00a18cde535fc81979e837098c73cdeee9c0ba19b58e4aeb81b165e2e',
u'a25bf0b994f409d6d2a84f7d10af5989afe333bcfafc334db345083a7c86537c',
u'643154069912d9df3c3db3fe968b71834efb9e2bdc38302ce13ba195d9694d82',
u'ca8e9f9986bdcb6a0ff64082c2d3793ce3daf59174504b5c9072fc1fc2738087',
u'6f243acbd348929cbe53b96354b1c79c326c08404b5dc4175eb7bb48cfe2eeb9',
u'ba8c01b123c8cee5a9227a3ff9415c004180659e4766078902024ceb845aeac4',
u'be082bb1b18d34d3b4cfbb05b96f638667a36d19e76397b23ae57460b3f57b31',
u'01c984db15cc087990d2e84bc64686a9a99192ea1836abdb1be99c66f670eb15',
u'583d5846f8f6b737c36554e63960fe74137cd9fd38294d59cfdf71e481a9e43f',
u'a5a07cc3d98ab71a426764b7450f3f7d305051e392f3e432691550b15c30f6b1',
u'e326d992a88c802cb28a77d25c6cc1d5d242cf01560f73c04f94133c9b73c769',
u'c861a51d2cd70e181d1c8b3d8a4c20aa189934bae9c9a5621361c41132cb7f63',
u'ce57dd89677933fbd2a2d19f652e1bb5ca61ad93bba9cd9ce465797498e6b0d4',
u'118c4e00531ccd12b174471cf6e1cf30e972060011333596568ba35a01659a88',
u'e7b446a4943c38b5cc88b94d1dd969044fb039da6825508a3293625cae0e92fc',
u'44eb9324dc78179262b75a8f17e7d911c8e1c9910b48fccc84702894d37a5a44',
u'3514ed8de21f8dbdd99b14d0af61414686db9860e4577af88d1e72955a028c47',
u'60581a61184fcc6325914741507516ef7bc0d2bf217d6fa1d5fa3a755de75e47',
u'ec4e485a2e1a0b846ea7deff79a2c0321f9c6b09f532cc526ca3d1c92977018c',
u'0b33c756479df9cd2c0c7485413abaff4a7a33d7906d3509554525e33f593427',
u'0d2221a6e35ab3f6c60bae81f55077311937f88ad59c3f2151f7d9edbfa7904e',
u'8136819af4de83099aea5f8a67e0eeea58d0b7bceea3d2fbaf8ba1b0a58c52e0',
u'aa95fc62ed225d0ac2576f699aef9100ae8baa667463a18bd5f4be18ef0a5ef3',
u'6f6f6b4e9a01c6deb8c5a04677b9ff876cfbf76ec7fe4c3dedb87ce505e040c7',
u'794ff1e55ac33d25d80d69a8c737c0b8b08a2dbfc814ae8156d5fb6a42e120f1',
u'3305fb31f4c2e6de8fa6cc70becd6cc743ec225088fd4f10620e95d3bb646bb5',
u'0cb57364c30d129add699c2b03d8369d703368c5f2fb2cc31b32058acebc0c7b',
u'7e070ab3ffeddd00c7724d973209574ec9a3ee9858e1779f05044106b2da3899',
u'60ddb151003083cc35a581714ccee94d429322bd1ad6b6584f4b14b2cf752d4c',
u'7c5bc4b07705e7edaf25eb2aa9951a90990ceda10819a86432d765bcdf942633',
u'a1eac1226c8f579048435e6b1f59818129780d0cbe9785a4a2fe8d3a7a18519b',
u'889cf865c6567e25d5f9e0a73f44b52f34e4cc7afe561a53ee8a8a03b36069e3',
u'b580bf1409c69899adaa5bb9808670a52e3f06c3d46c4a727c38a142ba964297',
u'41215eaf44bca7469fba8647c8db3b96a6b98108daae266547340dcc496bd54c',
u'0fb42e25504f215d7d23f4fb7cb1cbe11ca80d6ed3934171fe68e8b0bf478fd8',
u'51e78675d2af5b5c4b9caf99d814dbac939788990a22144e7b4a6e22cc81007b',
u'd703f3a9712395594b98c235a6749032c26a7cf4ecaf3f6d583b27cc6fa9dec4',
u'8eb479a334b4a1be45c7bbb1327d6bf673d61903cced730c6ecc198951587df1',
u'292c1a76011a0dc8a7628c746a5edfeb3e78287d1db019f71dd780dbaf4befd8',
u'60f9d2e16962e7136a7ead6418af4cf053e961828bc8acc001af3bb59fbeca34',
u'bebbd5d4b05824101343ef88bd98b31db5ae9d7298ef428dae2da799a022993e',
u'a1f7d2f4b222f425546edb7ac729b5833c994b74cf029bf0ae1226174cf776d3',
u'ea339fb2e68872d676f4c2e1295542f22ede06c040edeeb0916bfee4d19fcf46',
u'db24ec449bcd05757bb38bae23dbc1353f6b1872dc4cc5c90c9d3afee40d8f82',
u'f851bc47b636abdfd41eb4117d3eee8f209515f4cb23e8196c49619cc8ca83a7',
u'350b40fca68801518a811460c2e5563cc0f87ac83cea5037711ee8602105ef15',
u'4b5865a0b2a9c3caa84842a65d43690eba1023f01d4c812a77802e621c4be28a',
u'672ff658e5c8466945a99e2de0345683eb00a0e36dd62703582a373fde780b50',
u'ec79627d162ea984ed57c62e69ccb2b35f4c150759884e696fafacf54437febd',
u'fbedb24e52d3297de748c099cba26d478692feede176b188cbf9e0db166e1c0c',
u'bd71b1d3458bfa57458351b60d537f87ec5b7212c11f3e06783423480be7ebe5',
u'0eefe2bb2844ad5f9f6af69799005b2fb75a0b79b7173387ae49c7959157208b',
u'789d5e59e0817bbda57f8c0e2e5430cc67356b6ded07911b495ae9571d1bf872',
u'c95bae84aa5c60ccb2dbc1c2f9eb5ee3099588cc41dda38ea322d03ff732c9cb',
u'194a97f6afa0023a83f6294b6486a35fbe1e33ed66bc405d2884cc0daee44249',
u'3a7c2ef8906eeb800d03e63c3fd912b47fa68c17d38949bddce6b1fb934592e9',
u'e7cc8c6fe4a64b88834883e58dc076f4c3de251ba7d9d29c6f6b476f5b05148e',
u'cdedb1d2d39f2bd56c937084766a3ce6b0a50242041c98f79bc06116ccced7d7',
u'1be2ee4faf38b19c2e31b437d4101e0fbe44e88fc3ad5266fac12f400568198d',
u'6623aada75e16d001f29955f33a68d489f158a08f515d50745f96d96452232e0',
u'88a8dbf460a6ddb9357890cecc835f96889df7770cefbe999a3c2a0ed6042982',
u'14d8f24500b70778fdf8c4ebcd98ce04fcb7c824262251b0aae0359dcbe34d8f',
u'815750786992781fb144ac1176151467a1c24787732c62488b600e46adcf2471',
u'2bd677ed05a5088dd03fa603849e3b3dde7b9cca2ddfe794625278fe8eac33ec',
u'd3c429807b1f077fcefaef3501910b9b13e7c7331b56afc11be7e7735cc22e71',
u'483d69143b27259c1f7f1bbdbbacdebb707103e705e5e0b9c07ffc2ec8986e9c',
u'fd8ca31b142529fd7893e1fa443b0aa588c74afb86fa7a3dd167b026e8471ad1',
u'f7c8249fbbeccc31fd3eb1122f458596f4a6177fe7498073ceac8eeba195feff',
u'81052b0ca3e0257ae236bbb516b419d894f7938e1771e447b220d84ad66bf0ba',
u'50bcfc57d4a5aaffb811530cc591aab4b30699c2eded645d95d2a0778928f122',
u'23b7c0b708746ca70d37d85cb4154aa84d6c6f47644cbf1e5e69ba6ba174e793',
u'18006412a0a225eff5c9d0561fb8002f3804864b86858bd3386af52427a84518',
u'19cad084c6d94fbd1b43d582d3e04a757860d9dcebbde4b44b545a3b9e322bac',
u'4a9a70c4c716b080bdbe1098641fbf2757c7d65f3d9b0c89926be9690473cd53',
u'af5e2040b644947a5ede5164eeb953e2f6cacac1e081f6d350265af2a00ef720',
u'01c347a1a162a72dedeba569349562df2a853e9a34e8399c8f81fab2d5c591aa',
u'd4fe56d65f11bb777c87c063dd369018cf93ab58f32942a89781a72f8b515d83',
u'a62f5e7db2f0fc6f7d258d5f6588cbf8480d8c63757eba7be173bd0ddb00c425',
u'15f16534df8d59d613d5018ea62b235be2f6bc01bc239a10376601aa020cb7bc',
u'e5adfaaad73d934fa5ebeb4bf0e5e40bff51a3b78edc05640830a469440d6615',
u'1d7d878a0ae396dab92bde7e0df60562e9795bacc220944f79094b9ea7fb7680',
u'8b1a7d50b4c388a5aefb4e0b26064f15aaf3f7129918050adb73e4e5af688334',
u'427e92786ef3b589eda3458df3bd2c2f9799b8b3cbf210c99be9717092a64caa',
u'85232adfecb2510f6a7951a3ce97776fbe48012b1d43ec9eae1cddd4222e0f97',
u'bae6a239b58434321050c52d99acd109c9219081a943a7558023e9f5234fe1bc',
u'1e8a3e6f8a4c5184bee08f144134b1eff209a81629ae8ffc26445aa60b6778e8',
u'9f06ed34914823e48ce299b74c934044e618974a85396435c3afbd14d93a034a',
u'c2abf971ed3b875e2214c3bb3b6cef6e3b9cfd7f71c80472654bf875291fec1a',
u'f8efe2380bb7944f8fd2f95a177f6c3b4353c6a84a00a05076bf39a1abb80a79',
u'31d20d04e0941bfac520487efcdde192addf6c3a768ade3992e91f23e181dd3a',
u'e6f5c08d2899cfc63b8c72142174d7aac61f50893238b13e12ecbbd65356af73',
u'deeb1340a234d64b1552e345923febb72fd14e85409af33d3e1aad7fc3a17fd5',
u'e90b8f2244bde77c1859ad047220a36160a0097cab70cb2c78980b8b618a5f49',
u'fa61d3985f21b3695664ce996905e7932b4c713e102632777f20a4cd664fdcc7',
u'22e181b5a8333617daa57f70481cfb7639b7115e3bdc409b69a2a18dadde959a']
deserial = [unhexlify(hsh)[::-1] for hsh in hashes]
fake_coinbase = Transaction()
fake_coinbase._hash = deserial[0]
branch = merklebranch(deserial[1:], hashes=True, be=True)
self.assertEquals(
"35bc46dc56cd6bcb9844323c52eb894a29a3c60add8553a08281fb3eed62cdcf",
hexlify(merkleroot(deserial, hashes=True, be=False)[0]).decode('ascii'))
self.assertEquals(
"35bc46dc56cd6bcb9844323c52eb894a29a3c60add8553a08281fb3eed62cdcf",
hexlify(from_merklebranch(branch, fake_coinbase)))
def generate_job(self, push=False, flush=False, new_block=False):
""" Creates a new job for miners to work on. Push will trigger an
event that sends new work but doesn't force a restart. If flush is
true a job restart will be triggered. """
# aux monitors will often call this early when not needed at startup
if not self._last_gbt:
self.logger.warn("Cannot generate new job, missing last GBT info")
return
if self.merged_work:
tree, size = bitcoin_data.make_auxpow_tree(self.merged_work)
mm_hashes = [
self.merged_work.get(tree.get(i), dict(hash=0))['hash']
for i in xrange(size)
]
mm_data = '\xfa\xbemm'
mm_data += bitcoin_data.aux_pow_coinbase_type.pack(
dict(
merkle_root=bitcoin_data.merkle_hash(mm_hashes),
size=size,
nonce=0,
))
merged_data = {}
for aux_work in self.merged_work.itervalues():
data = dict(target=aux_work['target'],
hash=aux_work['hash'],
height=aux_work['height'],
index=mm_hashes.index(aux_work['hash']),
type=aux_work['type'],
hashes=mm_hashes)
merged_data[aux_work['type']] = data
else:
merged_data = {}
mm_data = None
self.logger.info("Generating new block template with {} trans. "
"Diff {:,.4f}. Subsidy {:,.2f}. Height {:,}. "
"Merged chains: {}".format(
len(self._last_gbt['transactions']),
bits_to_difficulty(self._last_gbt['bits']),
self._last_gbt['coinbasevalue'] / 100000000.0,
self._last_gbt['height'],
', '.join(merged_data.keys())))
# here we recalculate the current merkle branch and partial
# coinbases for passing to the mining clients
coinbase = Transaction()
coinbase.version = 2
# create a coinbase input with encoded height and padding for the
# extranonces so script length is accurate
extranonce_length = (self.config['extranonce_size'] +
self.config['extranonce_serv_size'])
coinbase.inputs.append(
Input.coinbase(self._last_gbt['height'],
addtl_push=[mm_data] if mm_data else [],
extra_script_sig=b'\0' * extranonce_length))
# Darkcoin payee amount
if self._last_gbt.get('payee', '') != '':
payout = self._last_gbt['coinbasevalue'] / 5
self._last_gbt['coinbasevalue'] -= payout
coinbase.outputs.append(
Output.to_address(payout, self._last_gbt['payee']))
self.logger.info(
"Paying out masternode at addr {}. Payout {}. Blockval reduced to {}"
.format(self._last_gbt['payee'], payout,
self._last_gbt['coinbasevalue']))
# simple output to the proper address and value
coinbase.outputs.append(
Output.to_address(self._last_gbt['coinbasevalue'],
self.config['pool_address']))
job_id = hexlify(struct.pack(str("I"), self._job_counter))
bt_obj = BlockTemplate.from_gbt(
self._last_gbt, coinbase, extranonce_length, [
Transaction(unhexlify(t['data']), fees=t['fee'])
for t in self._last_gbt['transactions']
])
# add in our merged mining data
if mm_data:
hashes = [
bitcoin_data.hash256(tx.raw) for tx in bt_obj.transactions
]
bt_obj.merkle_link = bitcoin_data.calculate_merkle_link([None] +
hashes, 0)
bt_obj.merged_data = merged_data
bt_obj.job_id = job_id
bt_obj.diff1 = self.config['diff1']
bt_obj.algo = self.config['algo']
bt_obj.pow_block_hash = self.config['pow_block_hash']
bt_obj.block_height = self._last_gbt['height']
bt_obj.acc_shares = set()
if push:
if flush:
self.logger.info("New work announced! Wiping previous jobs...")
self.jobs.clear()
self.latest_job = None
else:
self.logger.info("New work announced!")
self._job_counter += 1
self.jobs[job_id] = bt_obj
self.latest_job = job_id
if push:
t = time.time()
bt_obj.stratum_string()
for idx, client in viewitems(self.stratum_manager.clients):
try:
if client.authenticated:
client._push(bt_obj, flush=flush)
except AttributeError:
pass
self.logger.info(
"New job enqueued for transmission to {} users in {}".format(
len(self.stratum_manager.clients),
time_format(time.time() - t)))
if flush:
self.server['work_restarts'].incr()
self.server['work_pushes'].incr()
self.server['new_jobs'].incr()
if new_block:
hex_bits = hexlify(bt_obj.bits)
self.current_net['difficulty'] = bits_to_difficulty(hex_bits)
self.current_net['subsidy'] = bt_obj.total_value
self.current_net['height'] = bt_obj.block_height - 1
self.current_net['prev_hash'] = bt_obj.hashprev_be_hex
self.current_net['transactions'] = len(bt_obj.transactions)
def test_stratum_confirm(self):
""" Test some raw data from cgminer submitting a share, confirm
hashes come out the same as cgminer.
Raw stratum params:
"""
gbt = {
u'bits': u'1e00e92b',
u'coinbaseaux': {
u'flags': u'062f503253482f'
},
u'coinbasevalue': 5000000000,
u'curtime': 1392509565,
u'height': 203588,
u'mintime': 1392508633,
u'mutable': [u'time', u'transactions', u'prevblock'],
u'noncerange': u'00000000ffffffff',
u'previousblockhash':
u'b0f5ecb62774f2f07fdc0f72fa0585ae3e8ca78ad8692209a355d12bc690fb73',
u'sigoplimit': 20000,
u'sizelimit': 1000000,
u'target':
u'000000e92b000000000000000000000000000000000000000000000000000000',
u'transactions': [],
u'version': 2
}
extra1 = '0000000000000000'
submit = {
'extra2':
'00000000',
'nonce':
'd5160000',
'result':
'000050ccfe8a3efe93b2ee33d2aecf4a60c809995c7dd19368a7d00c86880f30'
}
# build a block template object from the raw data
coinbase = Transaction()
coinbase.version = 2
coinbase.inputs.append(Input.coinbase(gbt['height'], [b'\0' * 12]))
coinbase.outputs.append(
Output.to_address(gbt['coinbasevalue'],
'D7QJyeBNuwEqxsyVCLJi3pHs64uPdMDuBa'))
transactions = []
for trans in gbt['transactions']:
new_trans = Transaction(unhexlify(trans['data']),
fees=trans['fee'])
assert trans['hash'] == new_trans.lehexhash
transactions.append(new_trans)
bt = BlockTemplate.from_gbt(gbt, coinbase, 12, transactions)
send_params = bt.stratum_params()
print(
"job_id: {0}\nprevhash: {1}\ncoinbase1: {2}\ncoinbase2: {3}"
"\nmerkle_branch: {4}\nversion: {5}\nnbits: {6}\nntime: {7}".
format(*send_params))
header = bt.block_header(submit['nonce'], extra1, submit['extra2'])
target = target_from_diff(
1,
0x0000FFFF00000000000000000000000000000000000000000000000000000000)
self.assertEquals(
hexlify(sha256d(header)[::-1]).decode('ascii'), submit['result'])
assert hash_int < target
def generate_job(self, push=False, flush=False, new_block=False):
""" Creates a new job for miners to work on. Push will trigger an
event that sends new work but doesn't force a restart. If flush is
true a job restart will be triggered. """
# aux monitors will often call this early when not needed at startup
if self.last_gbt is None:
return
merged_work = self.net_state['merged_work']
if self.net_state['merged_work']:
tree, size = bitcoin_data.make_auxpow_tree(merged_work)
mm_hashes = [merged_work.get(tree.get(i), dict(hash=0))['hash']
for i in xrange(size)]
mm_data = '\xfa\xbemm'
mm_data += bitcoin_data.aux_pow_coinbase_type.pack(dict(
merkle_root=bitcoin_data.merkle_hash(mm_hashes),
size=size,
nonce=0,
))
mm_later = [(aux_work, mm_hashes.index(aux_work['hash']), mm_hashes)
for chain_id, aux_work in merged_work.iteritems()]
else:
mm_later = []
mm_data = None
with self.job_lock:
# here we recalculate the current merkle branch and partial
# coinbases for passing to the mining clients
coinbase = Transaction()
coinbase.version = 2
# create a coinbase input with encoded height and padding for the
# extranonces so script length is accurate
extranonce_length = (self.config['extranonce_size'] +
self.config['extranonce_serv_size'])
coinbase.inputs.append(
Input.coinbase(self.last_gbt['height'],
addtl_push=[mm_data] if mm_data else [],
extra_script_sig=b'\0' * extranonce_length))
# simple output to the proper address and value
coinbase.outputs.append(
Output.to_address(self.last_gbt['coinbasevalue'] - self.last_gbt['fees'], self.config['pool_address']))
job_id = hexlify(struct.pack(str("I"), self.net_state['job_counter']))
logger.info("Generating new block template with {} trans. Diff {}. Subsidy {}. Fees {}."
.format(len(self.net_state['transactions']),
bits_to_difficulty(self.last_gbt['bits']),
self.last_gbt['coinbasevalue'],
self.last_gbt['fees']))
bt_obj = BlockTemplate.from_gbt(self.last_gbt, coinbase, extranonce_length, [])
bt_obj.mm_later = copy(mm_later)
# hashes = [bitcoin_data.hash256(tx.raw) for tx in bt_obj.transactions]
bt_obj.merkle_link = bitcoin_data.calculate_merkle_link([None], 0)
bt_obj.job_id = job_id
bt_obj.block_height = self.last_gbt['height']
bt_obj.acc_shares = set()
if push:
if flush:
logger.info("New work announced! Wiping previous jobs...")
self.net_state['jobs'].clear()
self.net_state['latest_job'] = None
else:
logger.info("New work announced!")
self.net_state['job_counter'] += 1
self.net_state['jobs'][job_id] = bt_obj
self.net_state['latest_job'] = job_id
if push:
for idx, client in viewitems(self.stratum_clients):
try:
if flush:
client.new_block_event.set()
else:
client.new_work_event.set()
except AttributeError:
pass
if new_block:
if self.config['send_new_block']:
hex_bits = hexlify(bt_obj.bits)
self.celery.send_task_pp('new_block',
bt_obj.block_height,
hex_bits,
bt_obj.total_value)
self.net_state['difficulty'] = bits_to_difficulty(hex_bits)
def generate_job(self,
push=False,
flush=False,
new_block=False,
network='main'):
""" Creates a new job for miners to work on. Push will trigger an
event that sends new work but doesn't force a restart. If flush is
true a job restart will be triggered. """
# aux monitors will often call this early when not needed at startup
if not self._last_gbt:
self.logger.warn("Cannot generate new job, missing last GBT info")
return
if self.auxmons:
merged_work = {}
auxdata = {}
for auxmon in self.auxmons:
# If this network hasn't pushed a job yet, skip it
if auxmon.last_work['hash'] is None:
continue
merged_work[auxmon.last_work['chainid']] = dict(
hash=auxmon.last_work['hash'],
target=auxmon.last_work['type'])
tree, size = bitcoin_data.make_auxpow_tree(merged_work)
mm_hashes = [
merged_work.get(tree.get(i), dict(hash=0))['hash']
for i in xrange(size)
]
mm_data = '\xfa\xbemm'
mm_data += bitcoin_data.aux_pow_coinbase_type.pack(
dict(
merkle_root=bitcoin_data.merkle_hash(mm_hashes),
size=size,
nonce=0,
))
for auxmon in self.auxmons:
if auxmon.last_work['hash'] is None:
continue
data = dict(target=auxmon.last_work['target'],
hash=auxmon.last_work['hash'],
height=auxmon.last_work['height'],
found_block=auxmon.found_block,
index=mm_hashes.index(auxmon.last_work['hash']),
type=auxmon.last_work['type'],
hashes=mm_hashes)
auxdata[auxmon.config['currency']] = data
else:
auxdata = {}
mm_data = None
# here we recalculate the current merkle branch and partial
# coinbases for passing to the mining clients
coinbase = Transaction()
coinbase.version = 2
# create a coinbase input with encoded height and padding for the
# extranonces so script length is accurate
extranonce_length = (self.manager.config['extranonce_size'] +
self.manager.config['extranonce_serv_size'])
coinbase.inputs.append(
Input.coinbase(self._last_gbt['height'],
addtl_push=[mm_data] if mm_data else [],
extra_script_sig=b'\0' * extranonce_length))
coinbase_value = self._last_gbt['coinbasevalue']
# Payout Darkcoin masternodes
mn_enforcement = self._last_gbt.get('enforce_masternode_payments',
True)
if (self.config['payout_drk_mn'] is True or mn_enforcement is True) \
and self._last_gbt.get('payee', '') != '':
# Grab the darkcoin payout amount, default to 20%
payout = self._last_gbt.get('payee_amount', coinbase_value / 5)
coinbase_value -= payout
coinbase.outputs.append(
Output.to_address(payout, self._last_gbt['payee']))
self.logger.debug(
"Created TX output for masternode at ({}:{}). Coinbase value "
"reduced to {}".format(self._last_gbt['payee'], payout,
coinbase_value))
# simple output to the proper address and value
coinbase.outputs.append(
Output.to_address(coinbase_value, self.config['pool_address']))
job_id = hexlify(struct.pack(str("I"), self._job_counter))
bt_obj = BlockTemplate.from_gbt(
self._last_gbt, coinbase, extranonce_length, [
Transaction(unhexlify(t['data']), fees=t['fee'])
for t in self._last_gbt['transactions']
])
# add in our merged mining data
if mm_data:
hashes = [
bitcoin_data.hash256(tx.raw) for tx in bt_obj.transactions
]
bt_obj.merkle_link = bitcoin_data.calculate_merkle_link([None] +
hashes, 0)
bt_obj.merged_data = auxdata
bt_obj.job_id = job_id
bt_obj.diff1 = self.config['diff1']
bt_obj.algo = self.config['algo']
bt_obj.currency = self.config['currency']
bt_obj.pow_block_hash = self.config['pow_block_hash']
bt_obj.block_height = self._last_gbt['height']
bt_obj.acc_shares = set()
if flush:
bt_obj.type = 0
elif push:
bt_obj.type = 1
else:
bt_obj.type = 2
bt_obj.found_block = self.found_block
# Push the fresh job to users after updating details
self._job_counter += 1
if flush:
self.jobs.clear()
self.jobs[job_id] = bt_obj
self.latest_job = bt_obj
self.new_job.job = bt_obj
self.new_job.set()
self.new_job.clear()
event = ("{name}.jobmanager.new_job:1|c\n".format(
name=self.manager.config['procname']))
if push or flush:
self.logger.info(
"{}: New block template with {:,} trans. "
"Diff {:,.4f}. Subsidy {:,.2f}. Height {:,}. Merged: {}".
format("FLUSH" if flush else "PUSH",
len(self._last_gbt['transactions']),
bits_to_difficulty(self._last_gbt['bits']),
self._last_gbt['coinbasevalue'] / 100000000.0,
self._last_gbt['height'], ', '.join(auxdata.keys())))
event += ("{name}.jobmanager.work_push:1|c\n".format(
name=self.manager.config['procname']))
# Stats and notifications now that it's pushed
if flush:
event += ("{name}.jobmanager.work_restart:1|c\n".format(
name=self.manager.config['procname']))
self.logger.info("New {} network block announced! Wiping previous"
" jobs and pushing".format(network))
elif push:
self.logger.info(
"New {} network block announced, pushing new job!".format(
network))
if new_block:
hex_bits = hexlify(bt_obj.bits)
self.current_net['difficulty'] = bits_to_difficulty(hex_bits)
self.current_net['subsidy'] = bt_obj.total_value
self.current_net['height'] = bt_obj.block_height - 1
self.current_net['last_block'] = time.time()
self.current_net['prev_hash'] = bt_obj.hashprev_be_hex
self.current_net['transactions'] = len(bt_obj.transactions)
event += ("{name}.{curr}.difficulty:{diff}|g\n"
"{name}.{curr}.subsidy:{subsidy}|g\n"
"{name}.{curr}.job_generate:{t}|g\n"
"{name}.{curr}.height:{height}|g".format(
name=self.manager.config['procname'],
curr=self.config['currency'],
diff=self.current_net['difficulty'],
subsidy=bt_obj.total_value,
height=bt_obj.block_height - 1,
t=(time.time() - self._last_gbt['update_time']) *
1000))
self.manager.log_event(event)
def test_block_header4(self):
# pulled from mozzshare blockchain and modded slightly with full block header
block_data = {
'bits':
'1b65bf06',
'hash':
'00000000005f53a4158ec81a7f936875b117add6ddf16052be69db814ed08e5d',
'height':
95477,
'merkleroot':
'68214acafcc87de6c6bf0389cf6fbaf85ce602972e188a422320260f28e57adc',
'nonce':
hexlify(pack(str(">L"), 12348287)),
'previousblockhash':
'00000000003fbdcb0529f2df6b9e846092c25fd472117f2dade884be824a519f',
'curtime':
1412981134,
"reward":
120,
'tx': [
('273de181f48d64299a81b16705fc0d7d9ee392e258af96a1e10a9dffce13d64c',
'01000000010000000000000000000000000000000000000000000000000000000000000000ffffffff2703f57401062f503253482f048661385408f80031f9dc0100000d2f7374726174756d506f6f6c2f0000000001408544cb020000001976a9145944e74d6aaf83be927703ad95e7308787bb55c588ac00000000'
),
('d4fb5de6290873a66171d167ae91cec59e116e23c2a88b50741671a76061176e',
'0100000001fccce331a39a2b923ee88c7660e0803214f9a677314f21c7cb3a81e25eeb9158010000006c493046022100c13d4e43a267fa6e3b74d559eb985e886d8efe6d7f78c6105d5f6e46677e9c0d02210096e2acfc2e745286c0e948cd3f085a2da6d396277644669f448699a280bcc955012102dfaf5dfed2eec785ed262b574b2cf1c2b5e613ca5149b24725b54cb62c8e94acffffffff02f2f1b507000000001976a914ea76974eccf823d94a3615c1a0a117dec16533d888ac1ac96ae4010000001976a914e2c6ffbd9a5187e474d8278f4d2ad4f2adad17cf88ac00000000'
),
('2daaa24179c2bf1c95da24f8ea3bf4d2722326c03f6407676b23edb42d0c908d',
'010000000154f1cf0ee5b7efd7e3f3d3e1b81d98c743c0b1ab8257a82119ac6d0e73362876000000006b4830450220153fb11ac82d3d97addb82e717d5cc95c0d4c31dc709d4f634f82d5c93bb2730022100b12f8251a57238bbaa5c1e6c6552c1d64671a0130a24afcffad723b6fe0f8bfc0121024a192ab361b42cb0aab26e877423b4c51402d98423912f5faad243a301285e9dffffffff02ca154407000000001976a914b652ec06255ecd4708f416e8ae17646b773d09e088acef47e09c010000001976a9149212ca9f86bc8f699f31be024d092963661a0eff88ac00000000'
),
],
'version':
325781176
}
# make a list of objects
# confirm that the objects hash correctly
coinbase = None
transactions = [
Transaction(unhexlify(data.encode('ascii')),
disassemble=True,
coin='MLS') for _, data in block_data['tx']
]
self.assertEquals(
hexlify(merkleroot(transactions, be=True,
hash_func=hvc_hash)[0]).decode('ascii'),
block_data['merkleroot'])
for obj, hsh in zip(transactions, block_data['tx']):
hsh = hsh[0]
obj.disassemble()
self.assertEquals(obj.behexhash, hsh)
if obj.is_coinbase:
idx = transactions.index(obj)
coinbase = transactions.pop(idx)
print("Found coinbase idx {} Amount is {}".format(
idx, coinbase.outputs[0].amount))
pprint(coinbase.to_dict())
tmplt = BlockTemplate.from_gbt(block_data,
coinbase,
transactions=transactions,
coin='MLS')
self.assertEquals(
hexlify(tmplt.merkleroot_be(coinbase)).decode('ascii'),
block_data['merkleroot'])
header = tmplt.block_header(block_data['nonce'], b'', b'')
self.assertEquals(block_data['hash'],
hexlify(hvc_powhash(header)[::-1]).decode('ascii'))
def generate_job(self, push=False, flush=False, new_block=False, network='main'):
""" Creates a new job for miners to work on. Push will trigger an
event that sends new work but doesn't force a restart. If flush is
true a job restart will be triggered. """
# aux monitors will often call this early when not needed at startup
if not self._last_gbt:
self.logger.warn("Cannot generate new job, missing last GBT info")
return
if self.auxmons:
merged_work = {}
auxdata = {}
for auxmon in self.auxmons:
if auxmon.last_work['hash'] is None:
continue
merged_work[auxmon.last_work['chainid']] = dict(
hash=auxmon.last_work['hash'],
target=auxmon.last_work['type']
)
tree, size = bitcoin_data.make_auxpow_tree(merged_work)
mm_hashes = [merged_work.get(tree.get(i), dict(hash=0))['hash']
for i in xrange(size)]
mm_data = '\xfa\xbemm'
mm_data += bitcoin_data.aux_pow_coinbase_type.pack(dict(
merkle_root=bitcoin_data.merkle_hash(mm_hashes),
size=size,
nonce=0,
))
for auxmon in self.auxmons:
if auxmon.last_work['hash'] is None:
continue
data = dict(target=auxmon.last_work['target'],
hash=auxmon.last_work['hash'],
height=auxmon.last_work['height'],
found_block=auxmon.found_block,
index=mm_hashes.index(auxmon.last_work['hash']),
type=auxmon.last_work['type'],
hashes=mm_hashes)
auxdata[auxmon.config['currency']] = data
else:
auxdata = {}
mm_data = None
# here we recalculate the current merkle branch and partial
# coinbases for passing to the mining clients
coinbase = Transaction()
coinbase.version = 2
# create a coinbase input with encoded height and padding for the
# extranonces so script length is accurate
extranonce_length = (self.manager.config['extranonce_size'] +
self.manager.config['extranonce_serv_size'])
coinbase.inputs.append(
Input.coinbase(self._last_gbt['height'],
addtl_push=[mm_data] if mm_data else [],
extra_script_sig=b'\0' * extranonce_length))
coinbase_value = self._last_gbt['coinbasevalue']
# Payout Darkcoin masternodes
mn_enforcement = self._last_gbt.get('enforce_masternode_payments', True)
if (self.config['payout_drk_mn'] is True or mn_enforcement is True) \
and self._last_gbt.get('payee', '') != '':
# Grab the darkcoin payout amount, default to 20%
payout = self._last_gbt.get('payee_amount', coinbase_value / 5)
coinbase_value -= payout
coinbase.outputs.append(
Output.to_address(payout, self._last_gbt['payee']))
self.logger.debug(
"Created TX output for masternode at ({}:{}). Coinbase value "
"reduced to {}".format(self._last_gbt['payee'], payout,
coinbase_value))
# simple output to the proper address and value
coinbase.outputs.append(
Output.to_address(coinbase_value, self.config['pool_address']))
job_id = hexlify(struct.pack(str("I"), self._job_counter))
bt_obj = BlockTemplate.from_gbt(self._last_gbt,
coinbase,
extranonce_length,
[Transaction(unhexlify(t['data']), fees=t['fee'])
for t in self._last_gbt['transactions']])
# add in our merged mining data
if mm_data:
hashes = [bitcoin_data.hash256(tx.raw) for tx in bt_obj.transactions]
bt_obj.merkle_link = bitcoin_data.calculate_merkle_link([None] + hashes, 0)
bt_obj.merged_data = auxdata
bt_obj.job_id = job_id
bt_obj.diff1 = self.config['diff1']
bt_obj.algo = self.config['algo']
bt_obj.currency = self.config['currency']
bt_obj.pow_block_hash = self.config['pow_block_hash']
bt_obj.block_height = self._last_gbt['height']
bt_obj.acc_shares = set()
if flush:
bt_obj.type = 0
elif push:
bt_obj.type = 1
else:
bt_obj.type = 2
bt_obj.found_block = self.found_block
# Push the fresh job to users after updating details
self._job_counter += 1
if flush:
self.jobs.clear()
self.jobs[job_id] = bt_obj
self.latest_job = bt_obj
self.new_job.job = bt_obj
self.new_job.set()
self.new_job.clear()
event = ("{name}.jobmanager.new_job:1|c\n"
.format(name=self.manager.config['procname']))
if push or flush:
self.logger.info(
"{}: New block template with {:,} trans. "
"Diff {:,.4f}. Subsidy {:,.2f}. Height {:,}. Merged: {}"
.format("FLUSH" if flush else "PUSH",
len(self._last_gbt['transactions']),
bits_to_difficulty(self._last_gbt['bits']),
self._last_gbt['coinbasevalue'] / 100000000.0,
self._last_gbt['height'],
', '.join(auxdata.keys())))
event += ("{name}.jobmanager.work_push:1|c\n"
.format(name=self.manager.config['procname']))
# Stats and notifications now that it's pushed
if flush:
event += ("{name}.jobmanager.work_restart:1|c\n"
.format(name=self.manager.config['procname']))
self.logger.info("New {} network block announced! Wiping previous"
" jobs and pushing".format(network))
elif push:
self.logger.info("New {} network block announced, pushing new job!"
.format(network))
if new_block:
hex_bits = hexlify(bt_obj.bits)
self.current_net['difficulty'] = bits_to_difficulty(hex_bits)
self.current_net['subsidy'] = bt_obj.total_value
self.current_net['height'] = bt_obj.block_height - 1
self.current_net['last_block'] = time.time()
self.current_net['prev_hash'] = bt_obj.hashprev_be_hex
self.current_net['transactions'] = len(bt_obj.transactions)
event += (
"{name}.{curr}.difficulty:{diff}|g\n"
"{name}.{curr}.subsidy:{subsidy}|g\n"
"{name}.{curr}.job_generate:{t}|g\n"
"{name}.{curr}.height:{height}|g"
.format(name=self.manager.config['procname'],
curr=self.config['currency'],
diff=self.current_net['difficulty'],
subsidy=bt_obj.total_value,
height=bt_obj.block_height - 1,
t=(time.time() - self._last_gbt['update_time']) * 1000))
self.manager.log_event(event)
def test_block_header(self):
# pulled from dogecoin blockchain and modded slightly, height 50000
block_data = {
'bits':
'1c00c7ec',
'hash':
'e4cab588a33147a217c8bc2f923fcd1f642fde26c7c797a5c2c4808c4c617a7e',
'height':
50000,
'merkleroot':
'5af19843e6220965f3c4b5f8d3995796edff0aad5ee4cc6ab849333881c001e1',
'nonce':
hexlify(pack(str(">L"), 3014526208)),
'previousblockhash':
'7f0502292609f5949260403176e8874ec7c5376397641d3f660648e7fdda0bab',
'curtime':
1389349309,
'tx':
[('d4eeb0cd44a4339d1a9fe8cea9482689165cff6ed1a3f4815bafcb443cdd271e',
'01000000010000000000000000000000000000000000000000000000000000000000000000ffffffff250350c300062f503253482f04bcc9cf5208f80032c0020000000b2f4e757432506f6f6c732f00000000010b54074f2f4b00001976a9141b3fdba0ff497a9d8e84d65e9b078e23e46e97f088ac00000000'
),
('481fce0e2572dd782369dcc2457c267bb70918e825dfedd6e178ddf28d016cde',
'0100000006ca0667d0021af9199f134a38ece3f813200f457282c2904d11b5c14a773ad514010000006b48304502200470b7b254b1d4b75f3318c6348ac97e2ba35f4be838aa10b50429107b4a8026022100864687886781c4a16de03b18fc5236bd379a6655f075b75da308b9bc3d7565b801210314309009775cf62a41fb7f0527e5bcda061e0b1f9dde2dc9cec7c7675453e901ffffffff9f9316e06ba91ceb8d93a3f3b1286570ccc9f5720c944a556e37a11a0789d99a010000006b483045022100fc72dadfb07f7253b948bd94c3e9e534a4f45fdd70d6f25e865afc079f5f07ac022028be9ec4d68e700f5843a72e387f1a2bdf0cacb06f19ad8fbbc3db15ceaadd9401210314309009775cf62a41fb7f0527e5bcda061e0b1f9dde2dc9cec7c7675453e901ffffffffcc803949dfe10ac0d9b7adc4b560a52fdbfc3fbf5a2cd4c515bdc1ccee1919e6010000006a4730440220385fb14c3f6559557c6ff0a1beab9c0a3a1f3ee7b5c466874566f25063be13fb022001b84680899638bd99fcea1f8a007ccda4df954a594210a1e6b2644c681b56b601210314309009775cf62a41fb7f0527e5bcda061e0b1f9dde2dc9cec7c7675453e901ffffffff340b8f285ceea5a123aaae8d33fd940442962894b8276a0f1d0959072c85b1e2010000006b4830450221008c592892fb530499f75065d4c741a97bb89e7aab7f156cf6471e134e41d19b3802202355e2f57c8ab27eb9445612e18f8ca0c51d0c8bad035082f784157db006419501210314309009775cf62a41fb7f0527e5bcda061e0b1f9dde2dc9cec7c7675453e901ffffffff57835281cd613c9afc81e339d4d6b5ff20e25b381015b99ad863c3cec9c456d3010000006b48304502201ebdf69c6e146dc9f832d32439a1fef26011eecac1ffdc246ed37b726ca33f9a022100bb4e8f82c2c89c254700196f08e277af6964a04122a6395d42e61ffdbbb08ac601210314309009775cf62a41fb7f0527e5bcda061e0b1f9dde2dc9cec7c7675453e901ffffffff5d22d9f2819f918f92bfb529c58201ed382a38d67a20c4277d104ecd92cb84c1010000006c493046022100834cfab229487cef0fe22dd07bbcf83bd3ce2696aee904b906c0cd8791e86a74022100a9dc16328ca8c648a0999d584fb1003fd4375aabe05d273143e976a735cf72f001210314309009775cf62a41fb7f0527e5bcda061e0b1f9dde2dc9cec7c7675453e901ffffffff010011133a4f0200001976a914db4d7ba9e58109182b04307cd587fc0c79f659e788ac00000000'
),
('74c60a18fc9a265cf78973d36e20b781ae427d4d62e9818bc51de000ef6fb1e3',
'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'
),
('12127842a829a588be0ac25a3ab5505925e79440d6911d22dd1059c79b9966e7',
'0100000002ac367cb4c2ebd51066b0a87bac57a0f4876a6be781b1d2935bb49d1320c735f7000000006b48304502207a58e61dbe5ab39e7f6b3a91bf62a33102dfc6e7d2270d0f2cd31d0fd2b58a4a022100f27ffec655cf27ce9d4facbc9ce1b079f0c7b3fe80db69111695825e23628209012102c9619b298f6272cd0710ff5997f38dfd39096e3c95b92f857da6f4843e4afbc7ffffffff6c7fc27f6debb16714276edf12868ab5deab5a0cd64c5152928a2f3798e1ee01000000006c493046022100895790720f307d12a41a6df11c83fe2c991a857e63048e74dde91fb672a368ea022100bf9dac5625b454ee38dba9fc7e8e911bf5dc8cf504709413a9b12adb9b77bc26012103dedeabe4b6166d97479db844ca2defbbb8c5394b7576aafd6be67175062dc4beffffffff01008fd3ac8b0000001976a91464e5cfa48bf5f22ce5a5e739667ef61afb0b192d88ac00000000'
),
('48d5713b929e28f1810cc7effdbfb0cb11bc88068bfbb1c9f076536b794715af',
'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'
),
('212499f6527467b49cdf946524b42266ca8751616a41b7181d3a8931da7b240e',
'01000000018fa554391f4e45ae96b9c6e9bd35f1cf38737ee9ad67ba401329df7497625513000000006b483045022019331f164d059057e5dc12bab158678ba65faf1b9542811434ce13e1179550b4022100e2375b7f350b18c1bde49c8ddd7d245282b931e1a8204018bb01b8abff94f4790121038f63d5c111706674f50f3d28729fe9848e9a3aee0b965c674d14e2155c5ee35bffffffff0200a3af46bb0000001976a9149cc45c2d78927f22ab4008a907becf6ab642258288aca019f807000000001976a9144d4952746b2777f3d07a89ad0ffd02e2e1d9aed288ac00000000'
),
('47bce257235ab0f6c8526a12fc23e3bec10bbd1d87a3a261f624ff5c0d2730f2',
'0100000001a16eaa30e2d56f3a3a94bf4b640c2ffaa3ccd09ce3926567b2e63e3f4d55df26000000006b48304502203579c6afe9b7365252c0424aa5e3b9d00c850f2beee0c0b2f66ac7652c4eb002022100ca44a4a0e7d2ff81de117efd144a89c70acc87eaf2e3454fed175f0ef9b6f562012103f5f17ee5b476803cf332d56c293ce59aa77a5046a284c9f7a523fefd911e9980ffffffff0260119d0a010000001976a9149e027ca13765f6558fcbab6acec2fc561fc5dd3288ac9ec1764b010000001976a914957acdecb251260da54dc8510497cb761db0698c88ac00000000'
),
('6b74e1534ee50fc7158593831e322717fa536d65cbeb03fe53b30b31853fa033',
'010000000153323c2dbba06bc58227354b013d31ba01ba814fa5681fb211c039979cac1643000000006b483045022054f7930a06af7da2a3e35c3fbb9bb0fbf5897c9296286de46d96763ea8c1d8fc0221009b8d53d5964a57fc8469ece1b0ef6f43e2cdbe1d4d72308d04491cb4705f95ce012103bbd11e6843ebcbcd2024265332738d8e1ebc7d0bb4b3a2e5b7a8bd6ece14bcb7ffffffff029feec0e4000000001976a91481d7f7a63b4a4e236b3b5d43067212e52bcd25ae88acf73d7520000000001976a91447cd32e2669d30d86d1c6708b890b9d7c7b632f188ac00000000'
)],
'version':
1
}
# make a list of objects
# confirm that the objects hash correctly
coinbase = None
transactions = [
Transaction(unhexlify(data.encode('ascii')), disassemble=True)
for _, data in block_data['tx']
]
self.assertEquals(
hexlify(merkleroot(transactions, be=True)[0]).decode('ascii'),
block_data['merkleroot'])
for obj, hsh in zip(transactions, block_data['tx']):
hsh = hsh[0]
obj.disassemble()
self.assertEquals(obj.behexhash, hsh)
if obj.is_coinbase:
idx = transactions.index(obj)
coinbase = transactions.pop(idx)
print("Found coinbase idx {} Amount is {}".format(
idx, coinbase.outputs[0].amount))
tmplt = BlockTemplate.from_gbt(block_data,
coinbase,
transactions=transactions)
self.assertEquals(
hexlify(tmplt.merkleroot_be(coinbase)).decode('ascii'),
block_data['merkleroot'])
header = tmplt.block_header(block_data['nonce'], b'', b'')
self.assertEquals(block_data['hash'],
hexlify(sha256d(header)[::-1]).decode('ascii'))
def generate_job(self, push=False, flush=False, new_block=False):
""" Creates a new job for miners to work on. Push will trigger an
event that sends new work but doesn't force a restart. If flush is
true a job restart will be triggered. """
# aux monitors will often call this early when not needed at startup
if self.last_gbt is None:
return
merged_work = self.net_state['merged_work']
if self.net_state['merged_work']:
tree, size = bitcoin_data.make_auxpow_tree(merged_work)
mm_hashes = [
merged_work.get(tree.get(i), dict(hash=0))['hash']
for i in xrange(size)
]
mm_data = '\xfa\xbemm'
mm_data += bitcoin_data.aux_pow_coinbase_type.pack(
dict(
merkle_root=bitcoin_data.merkle_hash(mm_hashes),
size=size,
nonce=0,
))
mm_later = [(aux_work, mm_hashes.index(aux_work['hash']),
mm_hashes)
for chain_id, aux_work in merged_work.iteritems()]
else:
mm_later = []
mm_data = None
# here we recalculate the current merkle branch and partial
# coinbases for passing to the mining clients
coinbase = Transaction()
coinbase.version = 2
# create a coinbase input with encoded height and padding for the
# extranonces so script length is accurate
extranonce_length = (self.config['extranonce_size'] +
self.config['extranonce_serv_size'])
coinbase.inputs.append(
Input.coinbase(self.last_gbt['height'],
addtl_push=[mm_data] if mm_data else [],
extra_script_sig=b'\0' * extranonce_length))
# simple output to the proper address and value
coinbase.outputs.append(
Output.to_address(self.last_gbt['coinbasevalue'],
self.config['pool_address']))
job_id = hexlify(struct.pack(str("I"), self.net_state['job_counter']))
logger.info(
"Generating new block template with {} trans. Diff {}. Subsidy {}."
.format(len(self.last_gbt['transactions']),
bits_to_difficulty(self.last_gbt['bits']),
self.last_gbt['coinbasevalue']))
bt_obj = BlockTemplate.from_gbt(
self.last_gbt, coinbase, extranonce_length, [
Transaction(unhexlify(t['data']), fees=t['fee'])
for t in self.last_gbt['transactions']
])
bt_obj.mm_later = copy(mm_later)
hashes = [bitcoin_data.hash256(tx.raw) for tx in bt_obj.transactions]
bt_obj.merkle_link = bitcoin_data.calculate_merkle_link([None] +
hashes, 0)
bt_obj.job_id = job_id
bt_obj.block_height = self.last_gbt['height']
bt_obj.acc_shares = set()
if push:
if flush:
logger.info("New work announced! Wiping previous jobs...")
self.net_state['jobs'].clear()
self.net_state['latest_job'] = None
else:
logger.info("New work announced!")
self.net_state['job_counter'] += 1
self.net_state['jobs'][job_id] = bt_obj
self.net_state['latest_job'] = job_id
if push:
for idx, client in viewitems(self.stratum_clients):
try:
if flush:
client.new_block_event.set()
else:
client.new_work_event.set()
except AttributeError:
pass
if new_block:
hex_bits = hexlify(bt_obj.bits)
self.net_state['work']['difficulty'] = bits_to_difficulty(hex_bits)
if self.config['send_new_block']:
self.celery.send_task_pp('new_block', bt_obj.block_height,
hex_bits, bt_obj.total_value)
def generate_job(self, push=False, flush=False, new_block=False):
""" Creates a new job for miners to work on. Push will trigger an
event that sends new work but doesn't force a restart. If flush is
true a job restart will be triggered. """
# aux monitors will often call this early when not needed at startup
if not self._last_gbt:
self.logger.warn("Cannot generate new job, missing last GBT info")
return
if self.merged_work:
tree, size = bitcoin_data.make_auxpow_tree(self.merged_work)
mm_hashes = [self.merged_work.get(tree.get(i), dict(hash=0))['hash']
for i in xrange(size)]
mm_data = '\xfa\xbemm'
mm_data += bitcoin_data.aux_pow_coinbase_type.pack(dict(
merkle_root=bitcoin_data.merkle_hash(mm_hashes),
size=size,
nonce=0,
))
merged_data = {}
for aux_work in self.merged_work.itervalues():
data = dict(target=aux_work['target'],
hash=aux_work['hash'],
height=aux_work['height'],
index=mm_hashes.index(aux_work['hash']),
type=aux_work['type'],
hashes=mm_hashes)
merged_data[aux_work['type']] = data
else:
merged_data = {}
mm_data = None
self.logger.info("Generating new block template with {} trans. "
"Diff {:,.4f}. Subsidy {:,.2f}. Height {:,}. "
"Merged chains: {}"
.format(len(self._last_gbt['transactions']),
bits_to_difficulty(self._last_gbt['bits']),
self._last_gbt['coinbasevalue'] / 100000000.0,
self._last_gbt['height'],
', '.join(merged_data.keys())))
# here we recalculate the current merkle branch and partial
# coinbases for passing to the mining clients
coinbase = Transaction()
coinbase.version = 2
# create a coinbase input with encoded height and padding for the
# extranonces so script length is accurate
extranonce_length = (self.config['extranonce_size'] +
self.config['extranonce_serv_size'])
coinbase.inputs.append(
Input.coinbase(self._last_gbt['height'],
addtl_push=[mm_data] if mm_data else [],
extra_script_sig=b'\0' * extranonce_length))
# Darkcoin payee amount
if self._last_gbt.get('payee', '') != '':
payout = self._last_gbt['coinbasevalue'] / 5
self._last_gbt['coinbasevalue'] -= payout
coinbase.outputs.append(
Output.to_address(payout, self._last_gbt['payee']))
self.logger.info("Paying out masternode at addr {}. Payout {}. Blockval reduced to {}"
.format(self._last_gbt['payee'], payout, self._last_gbt['coinbasevalue']))
# simple output to the proper address and value
coinbase.outputs.append(
Output.to_address(self._last_gbt['coinbasevalue'], self.config['pool_address']))
job_id = hexlify(struct.pack(str("I"), self._job_counter))
bt_obj = BlockTemplate.from_gbt(self._last_gbt,
coinbase,
extranonce_length,
[Transaction(unhexlify(t['data']), fees=t['fee'])
for t in self._last_gbt['transactions']])
# add in our merged mining data
if mm_data:
hashes = [bitcoin_data.hash256(tx.raw) for tx in bt_obj.transactions]
bt_obj.merkle_link = bitcoin_data.calculate_merkle_link([None] + hashes, 0)
bt_obj.merged_data = merged_data
bt_obj.job_id = job_id
bt_obj.diff1 = self.config['diff1']
bt_obj.algo = self.config['algo']
bt_obj.pow_block_hash = self.config['pow_block_hash']
bt_obj.block_height = self._last_gbt['height']
bt_obj.acc_shares = set()
if push:
if flush:
self.logger.info("New work announced! Wiping previous jobs...")
self.jobs.clear()
self.latest_job = None
else:
self.logger.info("New work announced!")
self._job_counter += 1
self.jobs[job_id] = bt_obj
self.latest_job = job_id
if push:
t = time.time()
bt_obj.stratum_string()
for idx, client in viewitems(self.stratum_manager.clients):
try:
if client.authenticated:
client._push(bt_obj, flush=flush)
except AttributeError:
pass
self.logger.info("New job enqueued for transmission to {} users in {}"
.format(len(self.stratum_manager.clients),
time_format(time.time() - t)))
if flush:
self.server['work_restarts'].incr()
self.server['work_pushes'].incr()
self.server['new_jobs'].incr()
if new_block:
hex_bits = hexlify(bt_obj.bits)
self.current_net['difficulty'] = bits_to_difficulty(hex_bits)
self.current_net['subsidy'] = bt_obj.total_value
self.current_net['height'] = bt_obj.block_height - 1
self.current_net['prev_hash'] = bt_obj.hashprev_be_hex
self.current_net['transactions'] = len(bt_obj.transactions)
def test_from_merkle(self):
hashes = [
u'031b96acd2c05833758460d46466be1086361cd9c2844f26538e0bf9afa19841',
u'b20c1a5e2b69bac036596e3303fda56221f7a0890898512c06755399d63583c9',
u'49ec27da3cc56167b01118461d22297e56654ab680d3ff5842263e0e35cff209',
u'7cee60dcb944a00c2e1dda02774fdbe91dd4e920e12053f9b7b8d1e5fb539991',
u'650a54d0b53cc89be342a3883b96462bcdb0054e6ec2c29c6fe81d08c0c2b546',
u'10d44ef68e5f7929e2a79c42a83d5c4155fcf82da0901d3bdea436ba1da21cac',
u'2a5c3ede2786638db6eb52a6229a828f0e7de3a33e1091d5caa1048592e05133',
u'aff21bcae129d57dc37aa8c75d41652e5d7bd8a58bfd2195ad4e3e129b856e12',
u'94ed6c0089a259b0fd593ff26a5055157179cc0679ae4f16f25c030b5a64b441',
u'3effb59479c79f1cbe79e2bcb5825c3ec4b1c9fd2011ac121b1369d38234c4cc',
u'98db3cccb6e2c6fd69d87693def5df9fc0720f7298fa811a523d7dfe42b5ae8f',
u'3663378ea537dced269957442d17aa5452060c8b04a9b1b80613e496b8999a65',
u'2ee24381fb4f3e52d0aabc1686096efbb1d5a0b63f0c7451f697d31fec34ac23',
u'329439f7481c3efaff5e82936f650c063a797265f3b0941e5d20b5d0df930954',
u'3da1168feef4a45c19cfac6cbe104927954a459a2010a0d3a5cc667087c5bf7c',
u'c33e8ec70c0fee9e3794e91100987c22e7e1d96c32be10c93eb1e41ae2041136',
u'80a39c4002c89f037f2bfdf9377027e8af0e302a709abc83a0312f541b37a5b8',
u'3f979f56f041eb972b73cee4b992262d6c5dcf540bbb7804455c4c407fc6facf',
u'11c7f9d16c7ca6ad5afac4308dcacdf8fd83aad23581d3a5a11311845465defa',
u'9a9e3ed8aa8e72f8cf438e00f0d441e3ff7efc3ea5f4d8e8c199f142f46bd24d',
u'1eb8a910da4c04f165fc222edaa840d1cd9ff4df4ecadbeb71fde0292b5dda44',
u'95a9d16ce095f35da8c193afb411ae1dd0c4c6b9ea29b54b30b44bd7619b0f93',
u'16097a77cf25ccb91a1b49f76869c288dc0f41535d38bef3ba5ab9f509beadaf',
u'a847e20fb6de61346d2066dbaaf5e180355b64fbeac366a4c6c3a273d87ad6d2',
u'c03678582368d04386a7d1dd568784ab6f16e7f9d99052b740e67103f77cf7d9',
u'd3c0efa5b704ac115ce5e9bd6e60179e601a64711cb963e602daff93c94ab7eb',
u'ea1355acd68536b8694cd143d7ca0a79caf6fde35c45178868ea38062ceb06f7',
u'63de6020f5b7f80e446551cda8976e394ba834a8e1e083df32f440cba4cfa549',
u'c6993904f9ad9fd4ba3fad6f1c94aba2f2c01ff889b5089bde976940554cde7a',
u'8fafd793e9384fe5c88322ea47d01329f3b7f10c57e617088fd8b08bbe3f2919',
u'2fc314299a442e27e53afcb4c511f8843cd81a29f363b18120db55eddc75b115',
u'07cbb85877cb6c4e8dc137803f02667553031798bbe85709aaaaa7abc7d01cf9',
u'75ecf3a3cf703c1909ec454e3059daff5c445aab8ea9e3b2f42fdf328124d5fb',
u'd22b413f85483218c1225d4a2f5d5285b19095251445f2093370d447c8858568',
u'ca555b2828aa24fe71a60c0b1042d9bf4827c9bdf2d791c3e2206f6b236f8b2c',
u'e139729ba444a99d192ebf45b229f901e8ea29fb198143378467c2567fad8a38',
u'8b8a08193e8675943f9f65dec0acffac7a648fedd90b80419a5d347d83999681',
u'a9ffe21ec4c6a9f68fd48c753965896684fd03a5191996921d17b3543a08d69e',
u'571ec571305ba5243a68b297c16ecb71add209ce4fa672c1ffdc90e969afd207',
u'db37d10ed2449c7e223a3ce1346ed66a07b733fc0cdb8f9a27552b29dc61076c',
u'bd3378261297648c09345fe7702a4028b2c56f853086eaea5e03cda2d1d6573e',
u'71d0597baa6b673a1bac8daf5c9d2447bd64fba799449c5c8ec245b5d681cf5f',
u'68d7ca294bbfe075f7dcc521db418fcb822bc86caaa96219d2e135258676aabd',
u'dfef23ff7a3f21a946b2726ee88ed81e110be7152885d9a26996e7ba6b219e23',
u'0e7ae7690568de29d763bc2e51f28e6767b431ffc83e223187111872a48ba598',
u'd88a17b6325671243edfa315889be93828975c8a89ba2fea3f9e1754c874af3a',
u'b01a28e8dd891aa6915ce5b2be55133b7177eec60cd97861a8aae93f4d4a79b0',
u'691a7c91dd49578e363c2aa72c54248bb9e8389ca98c896950781390877c3a72',
u'b9db62c767249d58ec70c18250482f0cd276d085ac4f7d07af095218cbc31448',
u'c7b98e339ac1e47fcabf6c403974df3ed95c66134e867b350d835f64b7c24767',
u'5839cb48d43dbbfa3aedded2a4936b2555325a7333e15cdbe4441350fdedc9ea',
u'6b83bf5a2189cba5cf0e575b7d48268c4fc0ba96ca72043eceb0a20282b0d3f0',
u'5347aa403cee27080fce61de817f6ea4f6521f2372756b7e3f798e37791f3a8b',
u'2c9cce8b51f7e4fa2999eb9b7edd947dc085ffde88bbbd28df5ae0ccd1da1885',
u'1121858dab0210eb61bee7e1cad801c2d91f81c1dce7db1791da44137ae0dd4c',
u'8b4f50d0d80b707374d2c00a9278357edc040039d6987673df1722140201df05',
u'b08f1f3c9fd02fa6d913027da36252885645c055099c0ca469e58c50806f337a',
u'611a221b0682c6637cc540850e765cd3934719a224b60978a2592e48bc8dc5c2',
u'c454503fdb63dce12b5be7762f22a2a57f3ec98eead60b85d22296a036bcbb56',
u'5fee11f3e4459e95dbaaccd4e94c1ab682cbdaa20c2c8f59bccb429c2bc78ab1',
u'09da229c7f1293acf84be8f878b92a588e5453f0245348f37bdc4d6f5a387d47',
u'ed673ca00a18cde535fc81979e837098c73cdeee9c0ba19b58e4aeb81b165e2e',
u'a25bf0b994f409d6d2a84f7d10af5989afe333bcfafc334db345083a7c86537c',
u'643154069912d9df3c3db3fe968b71834efb9e2bdc38302ce13ba195d9694d82',
u'ca8e9f9986bdcb6a0ff64082c2d3793ce3daf59174504b5c9072fc1fc2738087',
u'6f243acbd348929cbe53b96354b1c79c326c08404b5dc4175eb7bb48cfe2eeb9',
u'ba8c01b123c8cee5a9227a3ff9415c004180659e4766078902024ceb845aeac4',
u'be082bb1b18d34d3b4cfbb05b96f638667a36d19e76397b23ae57460b3f57b31',
u'01c984db15cc087990d2e84bc64686a9a99192ea1836abdb1be99c66f670eb15',
u'583d5846f8f6b737c36554e63960fe74137cd9fd38294d59cfdf71e481a9e43f',
u'a5a07cc3d98ab71a426764b7450f3f7d305051e392f3e432691550b15c30f6b1',
u'e326d992a88c802cb28a77d25c6cc1d5d242cf01560f73c04f94133c9b73c769',
u'c861a51d2cd70e181d1c8b3d8a4c20aa189934bae9c9a5621361c41132cb7f63',
u'ce57dd89677933fbd2a2d19f652e1bb5ca61ad93bba9cd9ce465797498e6b0d4',
u'118c4e00531ccd12b174471cf6e1cf30e972060011333596568ba35a01659a88',
u'e7b446a4943c38b5cc88b94d1dd969044fb039da6825508a3293625cae0e92fc',
u'44eb9324dc78179262b75a8f17e7d911c8e1c9910b48fccc84702894d37a5a44',
u'3514ed8de21f8dbdd99b14d0af61414686db9860e4577af88d1e72955a028c47',
u'60581a61184fcc6325914741507516ef7bc0d2bf217d6fa1d5fa3a755de75e47',
u'ec4e485a2e1a0b846ea7deff79a2c0321f9c6b09f532cc526ca3d1c92977018c',
u'0b33c756479df9cd2c0c7485413abaff4a7a33d7906d3509554525e33f593427',
u'0d2221a6e35ab3f6c60bae81f55077311937f88ad59c3f2151f7d9edbfa7904e',
u'8136819af4de83099aea5f8a67e0eeea58d0b7bceea3d2fbaf8ba1b0a58c52e0',
u'aa95fc62ed225d0ac2576f699aef9100ae8baa667463a18bd5f4be18ef0a5ef3',
u'6f6f6b4e9a01c6deb8c5a04677b9ff876cfbf76ec7fe4c3dedb87ce505e040c7',
u'794ff1e55ac33d25d80d69a8c737c0b8b08a2dbfc814ae8156d5fb6a42e120f1',
u'3305fb31f4c2e6de8fa6cc70becd6cc743ec225088fd4f10620e95d3bb646bb5',
u'0cb57364c30d129add699c2b03d8369d703368c5f2fb2cc31b32058acebc0c7b',
u'7e070ab3ffeddd00c7724d973209574ec9a3ee9858e1779f05044106b2da3899',
u'60ddb151003083cc35a581714ccee94d429322bd1ad6b6584f4b14b2cf752d4c',
u'7c5bc4b07705e7edaf25eb2aa9951a90990ceda10819a86432d765bcdf942633',
u'a1eac1226c8f579048435e6b1f59818129780d0cbe9785a4a2fe8d3a7a18519b',
u'889cf865c6567e25d5f9e0a73f44b52f34e4cc7afe561a53ee8a8a03b36069e3',
u'b580bf1409c69899adaa5bb9808670a52e3f06c3d46c4a727c38a142ba964297',
u'41215eaf44bca7469fba8647c8db3b96a6b98108daae266547340dcc496bd54c',
u'0fb42e25504f215d7d23f4fb7cb1cbe11ca80d6ed3934171fe68e8b0bf478fd8',
u'51e78675d2af5b5c4b9caf99d814dbac939788990a22144e7b4a6e22cc81007b',
u'd703f3a9712395594b98c235a6749032c26a7cf4ecaf3f6d583b27cc6fa9dec4',
u'8eb479a334b4a1be45c7bbb1327d6bf673d61903cced730c6ecc198951587df1',
u'292c1a76011a0dc8a7628c746a5edfeb3e78287d1db019f71dd780dbaf4befd8',
u'60f9d2e16962e7136a7ead6418af4cf053e961828bc8acc001af3bb59fbeca34',
u'bebbd5d4b05824101343ef88bd98b31db5ae9d7298ef428dae2da799a022993e',
u'a1f7d2f4b222f425546edb7ac729b5833c994b74cf029bf0ae1226174cf776d3',
u'ea339fb2e68872d676f4c2e1295542f22ede06c040edeeb0916bfee4d19fcf46',
u'db24ec449bcd05757bb38bae23dbc1353f6b1872dc4cc5c90c9d3afee40d8f82',
u'f851bc47b636abdfd41eb4117d3eee8f209515f4cb23e8196c49619cc8ca83a7',
u'350b40fca68801518a811460c2e5563cc0f87ac83cea5037711ee8602105ef15',
u'4b5865a0b2a9c3caa84842a65d43690eba1023f01d4c812a77802e621c4be28a',
u'672ff658e5c8466945a99e2de0345683eb00a0e36dd62703582a373fde780b50',
u'ec79627d162ea984ed57c62e69ccb2b35f4c150759884e696fafacf54437febd',
u'fbedb24e52d3297de748c099cba26d478692feede176b188cbf9e0db166e1c0c',
u'bd71b1d3458bfa57458351b60d537f87ec5b7212c11f3e06783423480be7ebe5',
u'0eefe2bb2844ad5f9f6af69799005b2fb75a0b79b7173387ae49c7959157208b',
u'789d5e59e0817bbda57f8c0e2e5430cc67356b6ded07911b495ae9571d1bf872',
u'c95bae84aa5c60ccb2dbc1c2f9eb5ee3099588cc41dda38ea322d03ff732c9cb',
u'194a97f6afa0023a83f6294b6486a35fbe1e33ed66bc405d2884cc0daee44249',
u'3a7c2ef8906eeb800d03e63c3fd912b47fa68c17d38949bddce6b1fb934592e9',
u'e7cc8c6fe4a64b88834883e58dc076f4c3de251ba7d9d29c6f6b476f5b05148e',
u'cdedb1d2d39f2bd56c937084766a3ce6b0a50242041c98f79bc06116ccced7d7',
u'1be2ee4faf38b19c2e31b437d4101e0fbe44e88fc3ad5266fac12f400568198d',
u'6623aada75e16d001f29955f33a68d489f158a08f515d50745f96d96452232e0',
u'88a8dbf460a6ddb9357890cecc835f96889df7770cefbe999a3c2a0ed6042982',
u'14d8f24500b70778fdf8c4ebcd98ce04fcb7c824262251b0aae0359dcbe34d8f',
u'815750786992781fb144ac1176151467a1c24787732c62488b600e46adcf2471',
u'2bd677ed05a5088dd03fa603849e3b3dde7b9cca2ddfe794625278fe8eac33ec',
u'd3c429807b1f077fcefaef3501910b9b13e7c7331b56afc11be7e7735cc22e71',
u'483d69143b27259c1f7f1bbdbbacdebb707103e705e5e0b9c07ffc2ec8986e9c',
u'fd8ca31b142529fd7893e1fa443b0aa588c74afb86fa7a3dd167b026e8471ad1',
u'f7c8249fbbeccc31fd3eb1122f458596f4a6177fe7498073ceac8eeba195feff',
u'81052b0ca3e0257ae236bbb516b419d894f7938e1771e447b220d84ad66bf0ba',
u'50bcfc57d4a5aaffb811530cc591aab4b30699c2eded645d95d2a0778928f122',
u'23b7c0b708746ca70d37d85cb4154aa84d6c6f47644cbf1e5e69ba6ba174e793',
u'18006412a0a225eff5c9d0561fb8002f3804864b86858bd3386af52427a84518',
u'19cad084c6d94fbd1b43d582d3e04a757860d9dcebbde4b44b545a3b9e322bac',
u'4a9a70c4c716b080bdbe1098641fbf2757c7d65f3d9b0c89926be9690473cd53',
u'af5e2040b644947a5ede5164eeb953e2f6cacac1e081f6d350265af2a00ef720',
u'01c347a1a162a72dedeba569349562df2a853e9a34e8399c8f81fab2d5c591aa',
u'd4fe56d65f11bb777c87c063dd369018cf93ab58f32942a89781a72f8b515d83',
u'a62f5e7db2f0fc6f7d258d5f6588cbf8480d8c63757eba7be173bd0ddb00c425',
u'15f16534df8d59d613d5018ea62b235be2f6bc01bc239a10376601aa020cb7bc',
u'e5adfaaad73d934fa5ebeb4bf0e5e40bff51a3b78edc05640830a469440d6615',
u'1d7d878a0ae396dab92bde7e0df60562e9795bacc220944f79094b9ea7fb7680',
u'8b1a7d50b4c388a5aefb4e0b26064f15aaf3f7129918050adb73e4e5af688334',
u'427e92786ef3b589eda3458df3bd2c2f9799b8b3cbf210c99be9717092a64caa',
u'85232adfecb2510f6a7951a3ce97776fbe48012b1d43ec9eae1cddd4222e0f97',
u'bae6a239b58434321050c52d99acd109c9219081a943a7558023e9f5234fe1bc',
u'1e8a3e6f8a4c5184bee08f144134b1eff209a81629ae8ffc26445aa60b6778e8',
u'9f06ed34914823e48ce299b74c934044e618974a85396435c3afbd14d93a034a',
u'c2abf971ed3b875e2214c3bb3b6cef6e3b9cfd7f71c80472654bf875291fec1a',
u'f8efe2380bb7944f8fd2f95a177f6c3b4353c6a84a00a05076bf39a1abb80a79',
u'31d20d04e0941bfac520487efcdde192addf6c3a768ade3992e91f23e181dd3a',
u'e6f5c08d2899cfc63b8c72142174d7aac61f50893238b13e12ecbbd65356af73',
u'deeb1340a234d64b1552e345923febb72fd14e85409af33d3e1aad7fc3a17fd5',
u'e90b8f2244bde77c1859ad047220a36160a0097cab70cb2c78980b8b618a5f49',
u'fa61d3985f21b3695664ce996905e7932b4c713e102632777f20a4cd664fdcc7',
u'22e181b5a8333617daa57f70481cfb7639b7115e3bdc409b69a2a18dadde959a'
]
deserial = [unhexlify(hsh)[::-1] for hsh in hashes]
fake_coinbase = Transaction()
fake_coinbase._hash = deserial[0]
branch = merklebranch(deserial[1:], hashes=True, be=True)
self.assertEquals(
"35bc46dc56cd6bcb9844323c52eb894a29a3c60add8553a08281fb3eed62cdcf",
hexlify(merkleroot(deserial, hashes=True,
be=False)[0]).decode('ascii'))
self.assertEquals(
"35bc46dc56cd6bcb9844323c52eb894a29a3c60add8553a08281fb3eed62cdcf",
hexlify(from_merklebranch(branch, fake_coinbase)))
def test_block_header3(self):
# pulled from heavycoin blockchain and modded slightly with full block header
block_data = {
'bits':
'1c040773',
'hash':
'000000000035ef615d0708b7409021bde4e29ab063f7f8b531197d8230a931ca',
'height':
122588,
'merkleroot':
'105faebb2ac14858bbf92d1ebd29dd49b5fd532a54097bc76818e3668dd6925b',
'nonce':
hexlify(pack(str(">L"), 825226627)),
'previousblockhash':
'0000000003d8d235668c6d41389dd703b828f4a0f02d30a37e62ca10ab144b3f',
'curtime':
1409012334,
"vote":
1,
"reward":
434,
'tx':
[('105faebb2ac14858bbf92d1ebd29dd49b5fd532a54097bc76818e3668dd6925b',
'01000000010000000000000000000000000000000000000000000000000000000000000000ffffffff1103dcde010453fbd26e7b00000b7b000000ffffffff010072d71a0a0000001976a914caf784fd449b3cdde48c7542640f14b34aed42fd88ac00000000'
)],
'version':
350470948
}
# make a list of objects
# confirm that the objects hash correctly
coinbase = None
transactions = [
Transaction(unhexlify(data.encode('ascii')),
disassemble=True,
coin='HVC') for _, data in block_data['tx']
]
self.assertEquals(
hexlify(merkleroot(transactions, be=True,
hash_func=hvc_hash)[0]).decode('ascii'),
block_data['merkleroot'])
for obj, hsh in zip(transactions, block_data['tx']):
hsh = hsh[0]
obj.disassemble()
self.assertEquals(obj.behexhash, hsh)
if obj.is_coinbase:
idx = transactions.index(obj)
coinbase = transactions.pop(idx)
print("Found coinbase idx {} Amount is {}".format(
idx, coinbase.outputs[0].amount))
pprint(coinbase.to_dict())
tmplt = BlockTemplate.from_gbt(block_data,
coinbase,
transactions=transactions,
coin='HVC')
self.assertEquals(
hexlify(tmplt.merkleroot_be(coinbase)).decode('ascii'),
block_data['merkleroot'])
header = tmplt.block_header(block_data['nonce'],
b'',
b'',
nvote=hexlify(
pack(str(">H"), block_data['vote'])))
self.assertEquals(block_data['hash'],
hexlify(hvc_powhash(header)[::-1]).decode('ascii'))
