def test_get_utxo_info():
load_test_config()
# this test tests mainnet keys, so temporarily switch network
select_chain_params("bitcoin")
jm_single().config.set("BLOCKCHAIN", "network", "mainnet")
dbci = DummyBlockchainInterface()
privkey = "L1RrrnXkcKut5DEMwtDthjwRcTTwED36thyL1DebVrKuwvohjMNi"
#to verify use from_wif_privkey and privkey_to_address
iaddr = "bc1q6tvmnmetj8vfz98vuetpvtuplqtj4uvvwjgxxc"
fakeutxo = "aa" * 32 + ":08"
success, fakeutxo_bin = utxostr_to_utxo(fakeutxo)
assert success
fake_query_results = [{
'value': 200000000,
'script': BTC_P2WPKH.address_to_script(iaddr),
'utxo': fakeutxo_bin,
'confirms': 20
}]
dbci.insert_fake_query_results(fake_query_results)
jm_single().bc_interface = dbci
u, priv = get_utxo_info(fakeutxo + "," + privkey)
assert u == fakeutxo
assert priv == privkey
#invalid format
with pytest.raises(Exception):
u, priv = get_utxo_info(fakeutxo + privkey)
#invalid index
fu2 = "ab" * 32 + ":-1"
with pytest.raises(Exception):
u, priv = get_utxo_info(fu2 + "," + privkey)
#invalid privkey
p2 = privkey[:-1] + 'j'
with pytest.raises(Exception):
u, priv = get_utxo_info(fakeutxo + "," + p2)
utxodatas = [(fakeutxo_bin, privkey)]
retval = validate_utxo_data(utxodatas, False)
assert retval
#try to retrieve
retval = validate_utxo_data(utxodatas, True)
assert retval[0] == (fakeutxo_bin, 200000000)
fake_query_results[0]['script'] = hextobin(
"76a91479b000887626b294a914501a4cd226b58b23598388ac")
dbci.insert_fake_query_results(fake_query_results)
#validate should fail for wrong address
retval = validate_utxo_data(utxodatas, False)
assert not retval
#remove fake query result and trigger not found
dbci.fake_query_results = None
dbci.setQUSFail(True)
retval = validate_utxo_data(utxodatas, False)
assert not retval
dbci.setQUSFail(False)
select_chain_params("bitcoin/regtest")
jm_single().config.set("BLOCKCHAIN", "network", "regtest")
def test_get_utxo_info():
load_test_config()
# this test tests mainnet keys, so temporarily switch network
select_chain_params("bitcoin")
jm_single().config.set("BLOCKCHAIN", "network", "mainnet")
dbci = DummyBlockchainInterface()
privkey = "L1RrrnXkcKut5DEMwtDthjwRcTTwED36thyL1DebVrKuwvohjMNi"
#to verify use from_wif_privkey and privkey_to_address
iaddr = "1LDsjB43N2NAQ1Vbc2xyHca4iBBciN8iwC"
fakeutxo = "aa" * 32 + ":08"
fake_query_results = [{
'value': 200000000,
'address': iaddr,
'utxo': fakeutxo,
'confirms': 20
}]
dbci.insert_fake_query_results(fake_query_results)
jm_single().bc_interface = dbci
u, priv = get_utxo_info(fakeutxo + "," + privkey)
assert u == fakeutxo
assert priv == privkey
#invalid format
with pytest.raises(Exception) as e_info:
u, priv = get_utxo_info(fakeutxo + privkey)
#invalid index
fu2 = "ab" * 32 + ":-1"
with pytest.raises(Exception) as e_info:
u, priv = get_utxo_info(fu2 + "," + privkey)
#invalid privkey
p2 = privkey[:-1] + 'j'
with pytest.raises(Exception) as e_info:
u, priv = get_utxo_info(fakeutxo + "," + p2)
utxodatas = [(fakeutxo, privkey)]
retval = validate_utxo_data(utxodatas, False)
assert retval
#try to retrieve
retval = validate_utxo_data(utxodatas, True)
assert retval[0] == (fakeutxo, 200000000)
fake_query_results[0]['address'] = "fakeaddress"
dbci.insert_fake_query_results(fake_query_results)
#validate should fail for wrong address
retval = validate_utxo_data(utxodatas, False)
assert not retval
#remove fake query result and trigger not found
dbci.fake_query_results = None
dbci.setQUSFail(True)
retval = validate_utxo_data(utxodatas, False)
assert not retval
dbci.setQUSFail(False)
select_chain_params("bitcoin/regtest")
jm_single().config.set("BLOCKCHAIN", "network", "mainnet")
def test_on_sig(createcmtdata, dummyaddr, signmethod, schedule):
#plan: create a new transaction with known inputs and dummy outputs;
#then, create a signature with various inputs, pass in in b64 to on_sig.
#in order for it to verify, the DummyBlockchainInterface will have to
#return the right values in query_utxo_set
#create 2 privkey + utxos that are to be ours
privs = [x * 32 + "\x01" for x in [chr(y) for y in range(1, 6)]]
utxos = [str(x) * 64 + ":1" for x in range(5)]
fake_query_results = [{
'value':
200000000,
'utxo':
utxos[x],
'address':
bitcoin.privkey_to_address(privs[x], False, magicbyte=0x6f),
'script':
bitcoin.mk_pubkey_script(
bitcoin.privkey_to_address(privs[x], False, magicbyte=0x6f)),
'confirms':
20
} for x in range(5)]
dbci = DummyBlockchainInterface()
dbci.insert_fake_query_results(fake_query_results)
jm_single().bc_interface = dbci
#make a transaction with all the fake results above, and some outputs
outs = [{
'value': 100000000,
'address': dummyaddr
}, {
'value': 899990000,
'address': dummyaddr
}]
tx = bitcoin.mktx(utxos, outs)
de_tx = bitcoin.deserialize(tx)
#prepare the Taker with the right intermediate data
taker = get_taker(schedule=schedule, sign_method=signmethod)
taker.nonrespondants = ["cp1", "cp2", "cp3"]
taker.latest_tx = de_tx
#my inputs are the first 2 utxos
taker.input_utxos = {
utxos[0]: {
'address': bitcoin.privkey_to_address(privs[0],
False,
magicbyte=0x6f),
'value': 200000000
},
utxos[1]: {
'address': bitcoin.privkey_to_address(privs[1],
False,
magicbyte=0x6f),
'value': 200000000
}
}
taker.utxos = {
None: utxos[:2],
"cp1": [utxos[2]],
"cp2": [utxos[3]],
"cp3": [utxos[4]]
}
for i in range(2):
# placeholders required for my inputs
taker.latest_tx['ins'][i]['script'] = 'deadbeef'
#to prepare for my signing, need to mark cjaddr:
taker.my_cj_addr = dummyaddr
#make signatures for the last 3 fake utxos, considered as "not ours":
tx3 = bitcoin.sign(tx, 2, privs[2])
sig3 = b64encode(
bitcoin.deserialize(tx3)['ins'][2]['script'].decode('hex'))
taker.on_sig("cp1", sig3)
tx4 = bitcoin.sign(tx, 3, privs[3])
sig4 = b64encode(
bitcoin.deserialize(tx4)['ins'][3]['script'].decode('hex'))
taker.on_sig("cp2", sig4)
tx5 = bitcoin.sign(tx, 4, privs[4])
#Before completing with the final signature, which will trigger our own
#signing, try with an injected failure of query utxo set, which should
#prevent this signature being accepted.
dbci.setQUSFail(True)
sig5 = b64encode(
bitcoin.deserialize(tx5)['ins'][4]['script'].decode('hex'))
taker.on_sig("cp3", sig5)
#allow it to succeed, and try again
dbci.setQUSFail(False)
#this should succeed and trigger the we-sign code
taker.on_sig("cp3", sig5)
def test_on_sig(setup_taker, dummyaddr, schedule):
#plan: create a new transaction with known inputs and dummy outputs;
#then, create a signature with various inputs, pass in in b64 to on_sig.
#in order for it to verify, the DummyBlockchainInterface will have to
#return the right values in query_utxo_set
utxos = [(struct.pack(b"B", x) * 32, 1) for x in range(5)]
#create 2 privkey + utxos that are to be ours
privs = [x*32 + b"\x01" for x in [struct.pack(b'B', y) for y in range(1,6)]]
scripts = [BTC_P2PKH.key_to_script(privs[x]) for x in range(5)]
addrs = [BTC_P2PKH.privkey_to_address(privs[x]) for x in range(5)]
fake_query_results = [{'value': 200000000, 'utxo': utxos[x], 'address': addrs[x],
'script': scripts[x], 'confirms': 20} for x in range(5)]
dbci = DummyBlockchainInterface()
dbci.insert_fake_query_results(fake_query_results)
jm_single().bc_interface = dbci
#make a transaction with all the fake results above, and some outputs
outs = [{'value': 100000000, 'address': dummyaddr},
{'value': 899990000, 'address': dummyaddr}]
tx = bitcoin.mktx(utxos, outs)
# since tx will be updated as it is signed, unlike in real life
# (where maker signing operation doesn't happen here), we'll create
# a second copy without the signatures:
tx2 = bitcoin.mktx(utxos, outs)
#prepare the Taker with the right intermediate data
taker = get_taker(schedule=schedule)
taker.nonrespondants=["cp1", "cp2", "cp3"]
taker.latest_tx = tx
#my inputs are the first 2 utxos
taker.input_utxos = {utxos[0]:
{'address': addrs[0],
'script': scripts[0],
'value': 200000000},
utxos[1]:
{'address': addrs[1],
'script': scripts[1],
'value': 200000000}}
taker.utxos = {None: utxos[:2], "cp1": [utxos[2]], "cp2": [utxos[3]], "cp3":[utxos[4]]}
for i in range(2):
# placeholders required for my inputs
taker.latest_tx.vin[i].scriptSig = bitcoin.CScript(hextobin('deadbeef'))
tx2.vin[i].scriptSig = bitcoin.CScript(hextobin('deadbeef'))
#to prepare for my signing, need to mark cjaddr:
taker.my_cj_addr = dummyaddr
#make signatures for the last 3 fake utxos, considered as "not ours":
sig, msg = bitcoin.sign(tx2, 2, privs[2])
assert sig, "Failed to sign: " + msg
sig3 = b64encode(tx2.vin[2].scriptSig)
taker.on_sig("cp1", sig3)
#try sending the same sig again; should be ignored
taker.on_sig("cp1", sig3)
sig, msg = bitcoin.sign(tx2, 3, privs[3])
assert sig, "Failed to sign: " + msg
sig4 = b64encode(tx2.vin[3].scriptSig)
#try sending junk instead of cp2's correct sig
assert not taker.on_sig("cp2", str("junk")), "incorrectly accepted junk signature"
taker.on_sig("cp2", sig4)
sig, msg = bitcoin.sign(tx2, 4, privs[4])
assert sig, "Failed to sign: " + msg
#Before completing with the final signature, which will trigger our own
#signing, try with an injected failure of query utxo set, which should
#prevent this signature being accepted.
dbci.setQUSFail(True)
sig5 = b64encode(tx2.vin[4].scriptSig)
assert not taker.on_sig("cp3", sig5), "incorrectly accepted sig5"
#allow it to succeed, and try again
dbci.setQUSFail(False)
#this should succeed and trigger the we-sign code
taker.on_sig("cp3", sig5)