def test_mktx(setup_tx_creation):
"""Testing exceptional conditions; not guaranteed
to create valid tx objects"""
#outpoint structure must be {"outpoint":{"hash":hash, "index": num}}
ins = [{
'outpoint': {
"hash": x * 32,
"index": 0
},
"script": "",
"sequence": 4294967295
} for x in ["a", "b", "c"]]
pub = vpubs[0]
addr = bitcoin.pubkey_to_address(pub, magicbyte=get_p2pk_vbyte())
script = bitcoin.address_to_script(addr)
outs = [
script + ":1000", addr + ":2000", {
"script": script,
"value": 3000
}
]
tx = bitcoin.mktx(ins, outs)
print(tx)
#rewrite with invalid output
outs.append({"foo": "bar"})
with pytest.raises(Exception) as e_info:
tx = bitcoin.mktx(ins, outs)
def test_verify_tx_input(setup_tx_creation, signall, mktxlist):
priv = "aa" * 32 + "01"
addr = bitcoin.privkey_to_address(priv, magicbyte=get_p2pk_vbyte())
wallet = make_wallets(1, [[2, 0, 0, 0, 0]], 1)[0]['wallet']
sync_wallet(wallet)
insfull = wallet.select_utxos(0, 110000000)
print(insfull)
if not mktxlist:
outs = [{"address": addr, "value": 1000000}]
ins = insfull.keys()
tx = bitcoin.mktx(ins, outs)
else:
out1 = addr + ":1000000"
ins0, ins1 = insfull.keys()
print("INS0 is: " + str(ins0))
print("INS1 is: " + str(ins1))
tx = bitcoin.mktx(ins0, ins1, out1)
desertx = bitcoin.deserialize(tx)
print(desertx)
if signall:
privdict = {}
for index, ins in enumerate(desertx['ins']):
utxo = ins['outpoint']['hash'] + ':' + str(
ins['outpoint']['index'])
ad = insfull[utxo]['address']
priv = wallet.get_key_from_addr(ad)
privdict[utxo] = priv
tx = bitcoin.signall(tx, privdict)
else:
for index, ins in enumerate(desertx['ins']):
utxo = ins['outpoint']['hash'] + ':' + str(
ins['outpoint']['index'])
ad = insfull[utxo]['address']
priv = wallet.get_key_from_addr(ad)
if index % 2:
tx = binascii.unhexlify(tx)
tx = bitcoin.sign(tx, index, priv)
if index % 2:
tx = binascii.hexlify(tx)
desertx2 = bitcoin.deserialize(tx)
print(desertx2)
sig, pub = bitcoin.deserialize_script(desertx2['ins'][0]['script'])
print(sig, pub)
pubscript = bitcoin.address_to_script(
bitcoin.pubkey_to_address(pub, magicbyte=get_p2pk_vbyte()))
sig = binascii.unhexlify(sig)
pub = binascii.unhexlify(pub)
sig_good = bitcoin.verify_tx_input(tx, 0, pubscript, sig, pub)
assert sig_good
def create_recipient_address(bob_pubkey, tweak=None, segwit=False):
"""Create a p2pkh receiving address
from an existing pubkey, tweaked by a random 32 byte scalar.
Returns the tweak, the new pubkey point and the new address.
The recipient can set the tweak parameter.
"""
if not tweak:
tweak = binascii.hexlify(os.urandom(32))
tweak_point = btc.privkey_to_pubkey(tweak + "01")
destination_point = btc.add_pubkeys([tweak_point, bob_pubkey], True)
if segwit:
destination_address = btc.pubkey_to_p2sh_p2wpkh_address(
destination_point, magicbyte=get_p2sh_vbyte())
else:
destination_address = btc.pubkey_to_address(destination_point,
magicbyte=get_p2pk_vbyte())
return (tweak, destination_point, destination_address)
def query_utxo_set(self, txouts, includeconf=False):
if self.qusfail:
#simulate failure to find the utxo
return [None]
if self.fake_query_results:
result = []
for x in self.fake_query_results:
for y in txouts:
if y == x['utxo']:
result.append(x)
return result
result = []
#external maker utxos
known_outs = {
"03243f4a659e278a1333f8308f6aaf32db4692ee7df0340202750fd6c09150f6:1":
"03a2d1cbe977b1feaf8d0d5cc28c686859563d1520b28018be0c2661cf1ebe4857",
"498faa8b22534f3b443c6b0ce202f31e12f21668b4f0c7a005146808f250d4c3:0":
"02b4b749d54e96b04066b0803e372a43d6ffa16e75a001ae0ed4b235674ab286be",
"3f3ea820d706e08ad8dc1d2c392c98facb1b067ae4c671043ae9461057bd2a3c:1":
"023bcbafb4f68455e0d1d117c178b0e82a84e66414f0987453d78da034b299c3a9"
}
#our wallet utxos, faked, for podle tests: utxos are doctored (leading 'f'),
#and the lists are (amt, age)
wallet_outs = {
'f34b635ed8891f16c4ec5b8236ae86164783903e8e8bb47fa9ef2ca31f3c2d7a:0':
[10000000, 2],
'f780d6e5e381bff01a3519997bb4fcba002493103a198fde334fd264f9835d75:1':
[20000000, 6],
'fe574db96a4d43a99786b3ea653cda9e4388f377848f489332577e018380cff1:0':
[50000000, 3],
'fd9711a2ef340750db21efb761f5f7d665d94b312332dc354e252c77e9c48349:0':
[50000000, 6]
}
if includeconf and set(txouts).issubset(set(wallet_outs)):
#includeconf used as a trigger for a podle check;
#here we simulate a variety of amount/age returns
results = []
for to in txouts:
results.append({
'value': wallet_outs[to][0],
'confirms': wallet_outs[to][1]
})
return results
if txouts[0] in known_outs:
return [{
'value':
200000000,
'address':
btc.pubkey_to_address(known_outs[txouts[0]], magicbyte=0x6f),
'confirms':
20
}]
for t in txouts:
result_dict = {
'value': 10000000000,
'address': "mrcNu71ztWjAQA6ww9kHiW3zBWSQidHXTQ"
}
if includeconf:
result_dict['confirms'] = 20
result.append(result_dict)
return result