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 _test():
from binascii import b2a_hex
mt = MerkleTree([None] + [bytes.fromhex(a) for a in [
'999d2c8bb6bda0bf784d9ebeb631d711dbbbfe1bc006ea13d6ad0d6a2649a971',
'3f92594d5a3d7b4df29d7dd7c46a0dac39a96e751ba0fc9bab5435ea5e22a19d',
'a5633f03855f541d8e60a6340fc491d49709dc821f3acb571956a856637adcb6',
'28d97c850eaf917a4c76c02474b05b70a197eaefb468d21c22ed110afe8ec9e0',
]])
assert(
b'82293f182d5db07d08acf334a5a907012bbb9990851557ac0ec028116081bd5a' ==
b2a_hex(mt.withFirst(bytes.fromhex('d43b669fb42cfa84695b844c0402d410213faa4f3e66cb7248f688ff19d5e5f7')))
)
d = b'\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00'
dh = b"C\xeczW\x9fUa\xa4*~\x967\xadAVg'5\xa6X\xbe'R\x18\x18\x01\xf7#\xba3\x16\xd2"
t = Txn(d)
m = MerkleTree([t])
assert m.merkleRoot() == dh
u = Txn.new()
u.addInput((b' '*32, 0), b'')
u.assemble()
m.data.append(u)
m.recalculate()
mr = b"q\xe1\x9a3'\x0f>\xbfTv\xc8\x90\x81\x802\xe3\xb7u\x96\xddjP4\xe3\x19\xf3\xf0\xc5A4\xc0\xdb"
assert m.merkleRoot() == mr
step = b'\xb0\x91t\x84%\x9dg\x827\xc5\xbf\x94\xf0"\x94\xafN[\x0c\xeelF\xd9\x1b\x13q\xd3\xdf\x83\xe6\x01g'
assert m._steps == [step]
m.recalculate(detailed=True)
assert m.detail == [dh, step, mr]
m = MerkleTree([t.txid, u.txid])
assert m.merkleRoot() == mr
assert m._steps == [step]
m.recalculate(detailed=True)
assert m.detail == [dh, step, mr]
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=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,
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 _test():
if not hasattr(bytes, 'fromhex'):
return
from binascii import b2a_hex
mt = MerkleTree([None] + [
bytes.fromhex(a) for a in [
'999d2c8bb6bda0bf784d9ebeb631d711dbbbfe1bc006ea13d6ad0d6a2649a971',
'3f92594d5a3d7b4df29d7dd7c46a0dac39a96e751ba0fc9bab5435ea5e22a19d',
'a5633f03855f541d8e60a6340fc491d49709dc821f3acb571956a856637adcb6',
'28d97c850eaf917a4c76c02474b05b70a197eaefb468d21c22ed110afe8ec9e0',
]
])
assert (
b'82293f182d5db07d08acf334a5a907012bbb9990851557ac0ec028116081bd5a' ==
b2a_hex(
mt.withFirst(
bytes.fromhex(
'd43b669fb42cfa84695b844c0402d410213faa4f3e66cb7248f688ff19d5e5f7'
))))
d = b'\x01\x00\x00\x00\x00\x00\x00\x00\x00\x00'
dh = b"C\xeczW\x9fUa\xa4*~\x967\xadAVg'5\xa6X\xbe'R\x18\x18\x01\xf7#\xba3\x16\xd2"
t = Txn(d)
m = MerkleTree([t])
assert m.merkleRoot() == dh
u = Txn.new()
u.addInput((b' ' * 32, 0), b'')
u.assemble()
m.data.append(u)
m.recalculate()
mr = b"q\xe1\x9a3'\x0f>\xbfTv\xc8\x90\x81\x802\xe3\xb7u\x96\xddjP4\xe3\x19\xf3\xf0\xc5A4\xc0\xdb"
assert m.merkleRoot() == mr
step = b'\xb0\x91t\x84%\x9dg\x827\xc5\xbf\x94\xf0"\x94\xafN[\x0c\xeelF\xd9\x1b\x13q\xd3\xdf\x83\xe6\x01g'
assert m._steps == [step]
m.recalculate(detailed=True)
assert m.detail == [dh, step, mr]
m = MerkleTree([t.txid, u.txid])
assert m.merkleRoot() == mr
assert m._steps == [step]
m.recalculate(detailed=True)
assert m.detail == [dh, step, mr]
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 makeCoinbaseTxn(coinbaseValue, useCoinbaser = True, prevBlockHex = None): txn = Txn.new() txn.addOutput(coinbaseValue, b'') return txn
def makeCoinbaseTxn(coinbaseValue, useCoinbaser=True, prevBlockHex=None):
txn = Txn.new()
txn.addOutput(coinbaseValue, b'')
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): txn = Txn.new() txn.addOutput(coinbaseValue, b'') return txn
