def makeCoinbaseTxn(coinbaseValue, useCoinbaser = True):
txn = Txn.new()
if useCoinbaser and hasattr(config, 'CoinbaserCmd') and config.CoinbaserCmd:
coinbased = 0
try:
cmd = config.CoinbaserCmd
cmd = cmd.replace('%d', str(coinbaseValue))
p = subprocess.Popen(cmd, shell=True, stdout=subprocess.PIPE)
nout = int(p.stdout.readline())
for i in range(nout):
amount = int(p.stdout.readline())
addr = p.stdout.readline().rstrip(b'\n').decode('utf8')
pkScript = BitcoinScript.toAddress(addr)
txn.addOutput(amount, pkScript)
coinbased += amount
except:
coinbased = coinbaseValue + 1
if coinbased >= coinbaseValue:
logging.getLogger('makeCoinbaseTxn').error('Coinbaser failed!')
txn.outputs = []
else:
coinbaseValue -= coinbased
pkScript = BitcoinScript.toAddress(config.TrackerAddr)
txn.addOutput(coinbaseValue, pkScript)
# TODO
# TODO: red flag on dupe coinbase
return txn
def makeCoinbaseTxn(coinbaseValue, useCoinbaser = True):
txn = Txn.new()
if useCoinbaser and hasattr(config, 'CoinbaserCmd') and config.CoinbaserCmd:
coinbased = 0
try:
cmd = config.CoinbaserCmd
cmd = cmd.replace('%d', str(coinbaseValue))
p = subprocess.Popen(cmd, shell=True, stdout=subprocess.PIPE)
nout = int(p.stdout.readline())
for i in range(nout):
amount = int(p.stdout.readline())
addr = p.stdout.readline().rstrip(b'\n').decode('utf8')
pkScript = BitcoinScript.toAddress(addr)
txn.addOutput(amount, pkScript)
coinbased += amount
except:
coinbased = coinbaseValue + 1
if coinbased >= coinbaseValue:
logging.getLogger('makeCoinbaseTxn').error('Coinbaser failed!')
txn.outputs = []
else:
coinbaseValue -= coinbased
pkScript = BitcoinScript.toAddress(config.TrackerAddr)
txn.addOutput(coinbaseValue, pkScript)
# TODO
# TODO: red flag on dupe coinbase
return txn
def makeCoinbaseTxn(coinbaseValue,
useCoinbaser=True,
prevBlockHex=None,
witness_commitment=NotImplemented):
if witness_commitment is NotImplemented:
raise NotImplementedError
txn = Txn.new()
#todo needs get dev rewared from MP
pkScript = BitcoinScript.toAddress(config.TrackerAddr)
devfeeScript = BitcoinScript.toAddress(config.Coinbaser_fee)
txn.addOutput(coinbaseValue - config.Coinbaser_value, pkScript)
txn.addOutput(config.Coinbaser_value, devfeeScript)
txn.addOutput(config.devreward_value, a2b_hex(config.devreward_pubkey))
# SegWit commitment
if not witness_commitment is None:
txn.addOutput(
0, BitcoinScript.commitment(WitnessMagic + witness_commitment))
# TODO
# TODO: red flag on dupe coinbase
return txn
def makeCoinbaseTxn(coinbaseValue,
useCoinbaser=True,
prevBlockHex=None,
witness_commitment=NotImplemented,
rsk_blockhash=None):
if witness_commitment is NotImplemented:
raise NotImplementedError
txn = Txn.new()
if useCoinbaser and hasattr(config,
'CoinbaserCmd') and config.CoinbaserCmd:
coinbased = 0
try:
cmd = config.CoinbaserCmd
cmd = cmd.replace('%d', str(coinbaseValue))
cmd = cmd.replace('%p', prevBlockHex or '""')
p = subprocess.Popen(cmd, shell=True, stdout=subprocess.PIPE)
nout = int(p.stdout.readline())
for i in range(nout):
amount = int(p.stdout.readline())
addr = p.stdout.readline().rstrip(b'\n').decode('utf8')
pkScript = BitcoinScript.toAddress(addr)
txn.addOutput(amount, pkScript)
coinbased += amount
except:
coinbased = coinbaseValue + 1
if coinbased >= coinbaseValue:
logging.getLogger('makeCoinbaseTxn').error('Coinbaser failed!')
txn.outputs = []
else:
coinbaseValue -= coinbased
pkScript = BitcoinScript.toAddress(config.TrackerAddr)
txn.addOutput(coinbaseValue, pkScript)
# SegWit commitment
if not witness_commitment is None:
txn.addOutput(
0, BitcoinScript.commitment(WitnessMagic + witness_commitment))
# RSK merged mining
if rsk_blockhash is not None:
txn.addOutput(0, rootstock.getRSKTag() + rsk_blockhash)
# TODO
# TODO: red flag on dupe coinbase
return txn
def makeCoinbaseTxn(coinbaseValue,
useCoinbaser=True,
prevBlockHex=None,
witness_commitment=None):
txn = Txn.new()
txn.addOutput(
coinbaseValue,
BitcoinScript.commitment(witness_commitment)
if witness_commitment else b'')
return txn
def makeCoinbaseTxn(coinbaseValue, useCoinbaser = True, prevBlockHex = None, witness_commitment = NotImplemented):
if witness_commitment is NotImplemented:
raise NotImplementedError
txn = Txn.new()
if useCoinbaser and hasattr(config, 'CoinbaserCmd') and config.CoinbaserCmd:
coinbased = 0
try:
cmd = config.CoinbaserCmd
cmd = cmd.replace('%d', str(coinbaseValue))
cmd = cmd.replace('%p', prevBlockHex or '""')
p = subprocess.Popen(cmd, shell=True, stdout=subprocess.PIPE)
nout = int(p.stdout.readline())
for i in range(nout):
amount = int(p.stdout.readline())
addr = p.stdout.readline().rstrip(b'\n').decode('utf8')
pkScript = BitcoinScript.toAddress(addr)
txn.addOutput(amount, pkScript)
coinbased += amount
except:
coinbased = coinbaseValue + 1
if coinbased >= coinbaseValue:
logging.getLogger('makeCoinbaseTxn').error('Coinbaser failed!')
txn.outputs = []
else:
coinbaseValue -= coinbased
pkScript = BitcoinScript.toAddress(config.TrackerAddr)
txn.addOutput(coinbaseValue, pkScript)
# SegWit commitment
if not witness_commitment is None:
txn.addOutput(0, BitcoinScript.commitment(WitnessMagic + witness_commitment))
# TODO
# TODO: red flag on dupe coinbase
return txn
def doJSON_getblocktemplate(self, params):
if 'mode' in params and params['mode'] != 'template':
raise AttributeError('getblocktemplate mode "%s" not supported' % (params['mode'],))
if 'longpollid' in params:
self.processLP(params['longpollid'])
RequestedTarget = None
try:
RequestedTarget = int(params['target'], 16)
except:
pass
rv = dict(self.getblocktemplate_rv_template)
p_magic = [False]
(MC, wld, target) = self.server.getBlockTemplate(self.Username, p_magic=p_magic, RequestedTarget=RequestedTarget)
(height, merkleTree, cb, prevBlock, bits) = MC[:5]
rv['height'] = height
rv['previousblockhash'] = b2a_hex(prevBlock[::-1]).decode('ascii')
if p_magic[0]:
rv['longpollid'] = 'bootstrap'
else:
rv['longpollid'] = str(self.server.LPId)
tl = []
SegwitTemplate = False
for rule in merkleTree.MP['rules']:
if rule == 'segwit' or rule == '!segwit':
SegwitTemplate = True
break
for txn in merkleTree.data[1:]:
txno = {}
txno['data'] = b2a_hex(txn.data).decode('ascii')
if SegwitTemplate:
txno['txid'] = b2a_hex(txn.txid[::-1]).decode('ascii')
tl.append(txno)
rv['transactions'] = tl
now = int(time())
rv['time'] = now
# FIXME: ensure mintime is always >= real mintime, both here and in share acceptance
rv['mintime'] = now - 180
rv['curtime'] = now
rv['maxtime'] = now + self.server.StaleWorkTimeout
rv['expires'] = self.server.StaleWorkTimeout
rv['bits'] = b2a_hex(bits[::-1]).decode('ascii')
rv['target'] = '%064x' % (target,)
t = deepcopy(merkleTree.data[0])
t.setCoinbase(cb)
if not merkleTree.witness_commitment is None:
assert t.outputs[-1] == (0, BitcoinScript.commitment(WitnessMagic + merkleTree.witness_commitment))
t.outputs.pop()
t.assemble()
txno = {}
txno['data'] = b2a_hex(t.data).decode('ascii')
rv['coinbasetxn'] = txno
rv['version'] = merkleTree.MP['version']
rv['rules'] = merkleTree.MP['rules']
rv['vbavailable'] = merkleTree.MP['_filtered_vbavailable']
rv['vbrequired'] = rv['version'] & 0x1fffffff
return rv
def makeCoinbaseTxn(coinbaseValue, useCoinbaser = True, prevBlockHex = None, witness_commitment=None): txn = Txn.new() txn.addOutput(coinbaseValue, BitcoinScript.commitment(witness_commitment) if witness_commitment else b'') return txn
def doJSON_getblocktemplate(self, params):
if 'mode' in params and params['mode'] != 'template':
raise AttributeError('getblocktemplate mode "%s" not supported' %
(params['mode'], ))
if 'longpollid' in params:
self.processLP(params['longpollid'])
RequestedTarget = None
try:
RequestedTarget = int(params['target'], 16)
except:
pass
rv = dict(self.getblocktemplate_rv_template)
p_magic = [False]
(MC, wld, target) = self.server.getBlockTemplate(
self.Username, p_magic=p_magic, RequestedTarget=RequestedTarget)
(height, merkleTree, cb, prevBlock, bits) = MC[:5]
rv['height'] = height
rv['previousblockhash'] = b2a_hex(prevBlock[::-1]).decode('ascii')
if p_magic[0]:
rv['longpollid'] = 'bootstrap'
else:
rv['longpollid'] = str(self.server.LPId)
tl = []
SegwitTemplate = False
for rule in merkleTree.MP['rules']:
if rule == 'segwit' or rule == '!segwit':
SegwitTemplate = True
break
for txn in merkleTree.data[1:]:
txno = {}
txno['data'] = b2a_hex(txn.data).decode('ascii')
if SegwitTemplate:
txno['txid'] = b2a_hex(txn.txid[::-1]).decode('ascii')
tl.append(txno)
rv['transactions'] = tl
now = int(time())
rv['time'] = now
# FIXME: ensure mintime is always >= real mintime, both here and in share acceptance
rv['mintime'] = now - 180
rv['curtime'] = now
rv['maxtime'] = now + self.server.StaleWorkTimeout
rv['expires'] = self.server.StaleWorkTimeout
rv['bits'] = b2a_hex(bits[::-1]).decode('ascii')
rv['target'] = '%064x' % (target, )
t = deepcopy(merkleTree.data[0])
t.setCoinbase(cb)
if not merkleTree.witness_commitment is None:
assert t.outputs[-1] == (
0,
BitcoinScript.commitment(WitnessMagic +
merkleTree.witness_commitment))
t.outputs.pop()
t.assemble()
txno = {}
txno['data'] = b2a_hex(t.data).decode('ascii')
rv['coinbasetxn'] = txno
rv['version'] = merkleTree.MP['version']
rv['rules'] = merkleTree.MP['rules']
rv['vbavailable'] = merkleTree.MP['_filtered_vbavailable']
rv['vbrequired'] = rv['version'] & 0x1fffffff
return rv
