def sign_tx(self, pw):
if not self.is_wallet_loaded:
raise Exception('Tried to spend when wallet not loaded.')
if not self.is_dest_addr_set:
raise Exception('Tried to spend when destination address not set.')
if not self.is_send_amount_set:
raise Exception('Tried to spend when amount not set.')
if self.send_amount + self.txfee > self.balance:
raise LowBalanceError("Insufficient funds to send {0} + {1} BTC.".format(core.satoshi_to_btc(self.send_amount), core.satoshi_to_btc(self.txfee)))
try:
prv = wallet.decrypt_privkey(self.encr_privkey, pw)
addr = bc.privtoaddr(prv, self.magic_byte)
except:
raise PasswordError("Wrong password!")
if addr != self.addr:
raise Exception('Address from wallet does not match address from private key!')
tx_ins, tx_outs = core.simple_tx_inputs_outputs(self.addr, self.unspent, self.dest_addr, self.send_amount, self.txfee)
# Make transaction
tx = bc.mktx(tx_ins, tx_outs)
# Sign transaction
for i in range(len(tx_ins)):
tx = bc.sign(tx,i,prv)
return tx_ins, tx_outs, tx, bc.deserialize(tx)
def sign_tx(unsigned_raw_tx, privatekey):
tx = unsigned_raw_tx
detx = pybitcointools.deserialize(tx)
input_length = len(detx['ins'])
for i in range(0, input_length):
tx = pybitcointools.sign(tx, i, privatekey)
return tx
def process_tx(addr_queue, blockheight, tx):
tx_obj = pybitcointools.deserialize(tx.encode('hex'))
for vout in tx_obj['outs']:
addr_temp = pybitcointools.script_to_address(vout['script'])
if addr_temp and addr_temp[0] in ['1','3']:
addr_queue.put((blockheight, addr_temp))
def add_op_return(unsigned_raw_tx, message):
deserialized_tx = pybitcointools.deserialize(unsigned_raw_tx)
newscript = make_op_return_script(message)
newoutput = {}
newoutput['value'] = 0
newoutput['script'] = newscript
deserialized_tx['outs'].append(newoutput)
reserialized_tx = pybitcointools.serialize(deserialized_tx)
return reserialized_tx
def verify_vin_old(txid, index):
# get raw transaction (txid) <-- vin[0]: scriptSig
rpc = BtcRpc("http://*****:*****@127.0.0.1:8332")
rawtx = rpc.rpc.getrawtransaction(txid)
jsontxverbose = rpc.rpc.getrawtransaction(txid, 1)
#pprint.pprint(jsontxverbose)
jsontx = pybitcointools.deserialize(rawtx)
pprint.pprint(jsontx)
scriptSigasm = jsontxverbose['vin'][index]['scriptSig']['asm']
logger.debug(scriptSigasm)
scriptSig = jsontx['ins'][index]['script']
sigpubdecoded = asn1der.decode(
scriptSig.decode("hex")[1:]) # skip first push
sig = long(sigpubdecoded[0][0]), long(sigpubdecoded[0][1])
pubkey = sigpubdecoded[1]
sighash_type = pubkey[0]
logger.debug("sighash type: %r" % sighash_type)
push = pubkey[1]
btc_pubkey_type = pubkey[2]
pubkey = pubkey[3:]
logger.debug("r %s s %s" % (hex(sig[0]), hex(sig[1])))
logger.debug(pubkey.encode("hex"))
# generate signdata
# replace input script with funding script of 17SkEw2md5avVNyYgj6RiXuQKNwkXaxFyQ
for txin in jsontx['ins']:
txin['script'] = ''
funding_txid = jsontxverbose['vin'][index]['txid']
funding_tx = rpc.rpc.getrawtransaction(funding_txid, 1)
#pprint.pprint(funding_tx)
funding_script = funding_tx['vout'][0]['scriptPubKey']['hex']
jsontx['ins'][index]['script'] = funding_script
signdata = pybitcointools.serialize(jsontx) + "01000000" #SIGHASH ALL
import hashlib
digest = hashlib.sha256(hashlib.sha256(
signdata.decode("hex")).digest()).digest()
logger.debug(digest[::-1].encode("hex"))
vk = VerifyingKey.from_string(pubkey, curve=curve)
logger.debug("verify --> %s " % (vk.pubkey.verifies(
int(digest.encode("hex"), 16), Signature(sig[0], sig[1]))))
#print vk.verify_digest(scriptSigasm.split("[ALL]",1)[0].decode("hex"), digest, sigdecode=ecdsa.util.sigdecode_der)
return BTCSignature(
sig=Signature(sig[0], sig[1]),
h=int(digest.encode("hex"), 16),
pubkey=pubkey,
)
def dump_tx_ecdsa(txid, i):
tx = getrawtx(txid)
vin = tx['vin'][i]
if 'coinbase' in vin:
return
prev_tx = getrawtx(vin['txid'])
prev_vout = prev_tx['vout'][vin['vout']]
prev_type = prev_vout['scriptPubKey']['type']
script = prev_vout['scriptPubKey']['hex']
if prev_type == 'pubkeyhash':
sig, pub = vin['scriptSig']['asm'].split(' ')
elif prev_type == 'pubkey':
sig = vin['scriptSig']['asm']
pub, _ = prev_vout['scriptPubKey']['asm'].split(' ')
else:
logger.warning("%6d %s %4d ERROR_UNHANDLED_SCRIPT_TYPE" % (txid, i))
raise
x = pub[2:66]
#print sig
if sig[-1] == ']':
sig, hashcode_txt = sig.strip(']').split('[')
if hashcode_txt == 'ALL':
hashcode = 1
elif hashcode_txt == 'SINGLE':
hashcode = 3
else:
print hashcode_txt
logger.warning("xx %s %4d ERROR_UNHANDLED_HASHCODE" %
(txid, hashcode_txt))
raise
else:
hashcode = int(sig[-2:], 16)
sig = sig[:-2]
modtx = pybitcointools.serialize(
pybitcointools.signature_form(pybitcointools.deserialize(tx['hex']), i,
script, hashcode))
z = hexlify(pybitcointools.txhash(modtx, hashcode))
_, r, s = pybitcointools.der_decode_sig(sig)
r = pybitcointools.encode(r, 16, 64)
s = pybitcointools.encode(s, 16, 64)
#print verify_tx_input(tx['hex'], i, script, sig, pub)
return {'txid': txid, 'i': i, 'x': x, 'r': r, 's': s, 'z': z, 'pub': pub}
def verify_vin(txid, index):
txdump = dump_tx_ecdsa(txid, index)
#i, pub, txid, s, r, x, z
# | | \--- hash
# | \------ pub decoded?
# \---------------------- pub orig?
import pprint
pprint.pprint(txdump)
print txdump['z'].decode("hex")
print int(txdump['z'],16)
def fix_pubkey(p):
if p.startswith("04"):
return p[2:]
return p
txdump['pub'] = fix_pubkey(txdump['pub'])
#vk = VerifyingKey.from_public_point(int(txdump['x'],16),curve=curve)
#vk = VerifyingKey.from_string(txdump['pub'], curve=curve)
#print vk
#logger.debug("verify --> %s " % (vk.pubkey.verifies(int(digest.encode("hex"), 16), Signature(sig[0], sig[1]))))
# get raw transaction (txid) <-- vin[0]: scriptSig
rpc = BtcRpc("http://*****:*****@127.0.0.1:8332")
rawtx = rpc.rpc.getrawtransaction(txid)
jsontxverbose = rpc.rpc.getrawtransaction(txid,1)
#pprint.pprint(jsontxverbose)
jsontx = pybitcointools.deserialize(rawtx)
pprint.pprint(jsontx)
scriptSigasm = jsontxverbose['vin'][index]['scriptSig']['asm']
logger.debug(scriptSigasm)
scriptSig = jsontx['ins'][index]['script']
sigpubdecoded = asn1der.decode(scriptSig.decode("hex")[1:]) # skip first push
sig = long(sigpubdecoded[0][0]), long(sigpubdecoded[0][1])
pubkey = sigpubdecoded[1]
sighash_type = pubkey[0]
logger.debug("sighash type: %r" % sighash_type)
push = pubkey[1]
btc_pubkey_type = pubkey[2]
pubkey = pubkey[3:]
logger.debug("r %s s %s"%(hex(sig[0]),hex(sig[1])))
logger.debug("pubkey: %r"%pubkey.encode("hex"))
logger.debug("txdump: %r"%txdump['pub'])
'''
# generate signdata
# replace input script with funding script of 17SkEw2md5avVNyYgj6RiXuQKNwkXaxFyQ
for txin in jsontx['ins']:
txin['script']=''
funding_txid = jsontxverbose['vin'][index]['txid']
funding_tx = rpc.rpc.getrawtransaction(funding_txid,1)
#pprint.pprint(funding_tx)
funding_script = funding_tx['vout'][0]['scriptPubKey']['hex']
jsontx['ins'][index]['script']=funding_script
signdata= pybitcointools.serialize(jsontx) + "01000000" #SIGHASH ALL
import hashlib
digest = hashlib.sha256(hashlib.sha256(signdata.decode("hex")).digest()).digest()
logger.debug(digest[::-1].encode("hex"))
pause("--->")
'''
pause("create verifying key...")
vk = VerifyingKey.from_string(txdump['pub'].decode("hex"), curve=curve)
digest = txdump['z']
print repr(pubkey)
print repr(txdump['pub'])
z = int(digest.decode("hex"),16)
verifies = vk.pubkey.verifies(z,Signature(sig[0],sig[1]))
logger.debug("verify --> %s "%(verifies))
if not verifies:
pause("--verify false!--",critical=True)
#print vk.verify_digest(scriptSigasm.split("[ALL]",1)[0].decode("hex"), digest, sigdecode=ecdsa.util.sigdecode_der)
return BTCSignature(sig=Signature(sig[0],sig[1]),
h=z,
pubkey=pubkey,
)
""" step 4: raw transaction info """ import os,sys,inspect currentdir = os.path.dirname(os.path.abspath(inspect.getfile(inspect.currentframe()))) #parentdir = os.path.dirname(currentdir) #print parentdir #sys.path.insert(0,parentdir) #parentpath = os.path.join(sys.path[0], '..') #print parentpath #sys.path.insert(1, parentpath) #sys.path.insert(0,'../..') import pybitcointools import pprint tx = '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' tx_structure = pybitcointools.deserialize(tx) pprint.pprint(tx_structure)
break
except ValueError:
print "Decode error (carriage returns are not allowed)"
continue
availableBalance = base.check_unspent(data["u"])
# build tx
outs = [{'value' : availableBalance - sum(data["amounts"]), 'address' : data["source"]}] # change
if outs[0]["value"] == 0:
outs = []
for i, t in enumerate(data["targets"]):
outs.append({'value' : data["amounts"][i], 'address' : data["targets"][i]})
rtx = pbt.mktx(data["u"], outs) # serialized tx
dtx = pbt.deserialize(rtx)
base.display_dtx(dtx, data)
print "Check balance and targets. Remove your data source (USB-stick)."
print "Press <enter> to proceed, <ctrl-c> to cancel."
raw_input()
print
print "Enter private key or (double) Electrum seed:"
priv = raw_input().strip()
if " " in priv:
seed = mnemonic.mn_decode(priv.split(" "))
priv = pbt.electrum_privkey(seed, 0, 0) # root key
source = pbt.privkey_to_address(priv)
if source != data["source"]:
root.update()
sigRtx = root.clipboard_get()
if sigRtx == cb:
time.sleep(0.5)
continue
cb = sigRtx
print cb
except tk.TclError:
time.sleep(0.5)
continue
sigRtx = pbt.changebase(sigRtx.strip(), 58, 16)
if len(sigRtx) % 2:
sigRtx = "0" + sigRtx
sigDtx = {}
try:
sigDtx = pbt.deserialize(sigRtx)
except:
pass
if sigDtx["ins"][0]["script"]:
break
except (IndexError, KeyError):
pass
else:
raise
time.sleep(0.5)
base.display_dtx(sigDtx, data)
sigRtx = pbt.serialize(sigDtx)
print "About to publish tx"
print "Press <enter> to proceed, <ctrl-c> to cancel."
def convert(txhex):
return deserialize(txhex)
"""
step 4:
raw transaction info
"""
import os, sys, inspect
currentdir = os.path.dirname(
os.path.abspath(inspect.getfile(inspect.currentframe())))
#parentdir = os.path.dirname(currentdir)
#print parentdir
#sys.path.insert(0,parentdir)
#parentpath = os.path.join(sys.path[0], '..')
#print parentpath
#sys.path.insert(1, parentpath)
#sys.path.insert(0,'../..')
import pybitcointools
import pprint
tx = '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'
tx_structure = pybitcointools.deserialize(tx)
pprint.pprint(tx_structure)
def convert(txhex):
return deserialize(txhex)
root.update()
sigRtx = root.clipboard_get()
if sigRtx == cb:
time.sleep(0.5)
continue
cb = sigRtx
print cb
except tk.TclError:
time.sleep(0.5)
continue
sigRtx = pbt.changebase(sigRtx.strip(), 58, 16)
if len(sigRtx) % 2:
sigRtx = "0" + sigRtx
sigDtx = {}
try:
sigDtx = pbt.deserialize(sigRtx)
except:
pass
if sigDtx["ins"][0]["script"]:
break
except (IndexError, KeyError):
pass
else:
raise
time.sleep(0.5)
base.display_dtx(sigDtx, data)
sigRtx = pbt.serialize(sigDtx)
print "About to publish tx"
print "Press <enter> to proceed, <ctrl-c> to cancel."