def dump_failure_info(spend_tx, script_in, script_out, flags, flags_string,
expected, actual, message, comment):
return
print()
print(flags_string)
print("EXPECTED: %s" % expected)
print("ACTUAL: %s" % actual)
print("MESSAGE: %s" % message)
print(comment)
print(disassemble(compile(script_in)))
print(disassemble(compile(script_out)))
def tbf(*args):
pc, opcode, data, stack, altstack, is_signature, is_condition = args
from pycoinzpub.tx.script.tools import disassemble_for_opcode_data
opd = disassemble_for_opcode_data(opcode, data)
if len(altstack) == 0:
altstack = ''
print("%s %s\n %3x %s" % (stack, altstack, pc, opd))
import pdb
pdb.set_trace()
print("test failed: '%s' '%s' : %s %s" %
(script_in, script_out, comment, flags_string))
try:
check_solution(spend_tx, tx_in_idx=0, traceback_f=tbf, flags=flags)
except Exception as ex:
print(ex)
try:
check_solution(spend_tx, tx_in_idx=0, traceback_f=tbf, flags=flags)
except Exception as ex:
print(ex)
import pdb
pdb.set_trace()
def test_nulldata(self):
OP_RETURN = tools.compile("OP_RETURN")
# note that because chr() is used samples with length > 255 will not work
for sample in [
b'test', b'me', b'a', b'39qEwuwyb2cAX38MFtrNzvq3KV9hSNov3q',
b'', b'0' * 80
]:
sample_script = OP_RETURN + tools.bin_script([sample])
nd = ScriptNulldata(sample)
self.assertEqual(nd.nulldata, sample)
self.assertEqual(nd.script(), sample_script)
nd2 = ScriptNulldata.from_script(sample_script)
self.assertEqual(nd.nulldata, nd2.nulldata)
out = TxOut(1, nd.script())
# ensure we can create a tx
Tx(0, [], [out])
# convert between asm and back to ensure no bugs with compilation
self.assertEqual(nd.script(),
tools.compile(tools.disassemble(nd.script())))
def test_tx_7e0114e93f903892b4dff5526a8cab674b2825fd715c4a95f852a1aed634a0f6(self):
# this tx is from testnet. We add an extra "OP_0" to the end
# we need to check that the script is being disassembled correctly
script = h2b(
"0047304402201f994ca49451bc764fd090f31adb2fa4381b91f967dc05a6f538d4d1ba"
"aa83cd02206ef3ad06de7890bc4130b4f57401412ca94897ea19b646f794a447237535"
"1c1f0147304402201f994ca49451bc764fd090f31adb2fa4381b91f967dc05a6f538d4"
"d1baaa83cd02204655e9eccac412407dfc3e5753a0f2ac605e41c7eb91630dc67137f2"
"d8081c3a014d0b0152410479be667ef9dcbbac55a06295ce870b07029bfcdb2dce28d9"
"59f2815b16f81798483ada7726a3c4655da4fbfc0e1108a8fd17b448a68554199c47d0"
"8ffb10d4b84104c6047f9441ed7d6d3045406e95c07cd85c778e4b8cef3ca7abac09b9"
"5c709ee51ae168fea63dc339a3c58419466ceaeef7f632653266d0e1236431a950cfe5"
"2a4104f9308a019258c31049344f85f89d5229b531c845836f99b08601f113bce036f9"
"388f7b0f632de8140fe337e62a37f3566500a99934c2231b6cb9fd7584b8e6724104e4"
"93dbf1c10d80f3581e4904930b1404cc6c13900ee0758474fa94abe8c4cd1351ed993e"
"a0d455b75642e2098ea51448d967ae33bfbdfe40cfe97bdc4773992254ae00")
d1 = disassemble(script).split()
self.assertEqual(len(d1), 5)
self.assertEqual(d1[-1], "OP_0")
def check(s):
b1 = compile(s)
s1 = disassemble(b1)
b2 = compile(s1)
self.assertEqual(s, s1)
self.assertEqual(b1, b2)
def test_validate(self):
# block 80971
block_80971_cs = '00000000001126456C67A1F5F0FF0268F53B4F22E0531DC70C7B69746AF69DAC'.lower(
)
block_80971_data = h2b(
"01000000950A1631FB9FAC411DFB173487B9E18018B7C6F7147E78C062584100000000"
"00A881352F97F14BF191B54915AE124E051B8FE6C3922C5082B34EAD503000FC34D891"
"974CED66471B4016850A04010000000100000000000000000000000000000000000000"
"00000000000000000000000000FFFFFFFF0804ED66471B02C301FFFFFFFF0100F2052A"
"01000000434104CB6B6B4EADC96C7D08B21B29D0ADA5F29F9378978CABDB602B8B65DA"
"08C8A93CAAB46F5ABD59889BAC704925942DD77A2116D10E0274CAD944C71D3D1A6705"
"70AC0000000001000000018C55ED829F16A4E43902940D3D33005264606D5F7D555B5F"
"67EE4C033390C2EB010000008A47304402202D1BF606648EDCDB124C1254930852D991"
"88E1231715031CBEAEA80CCFD2B39A02201FA9D6EE7A1763580E342474FC1AEF59B046"
"8F98479953437F525063E25675DE014104A01F763CFBF5E518C628939158AF3DC0CAAC"
"35C4BA7BC1CE8B7E634E8CDC44E15F0296B250282BD649BAA8398D199F2424FCDCD88D"
"3A9ED186E4FD3CB9BF57CFFFFFFFFF02404B4C00000000001976A9148156FF75BEF24B"
"35ACCE3C05289A2411E1B0E57988AC00AA38DF010000001976A914BC7E692A5FFE95A5"
"96712F5ED83393B3002E452E88AC0000000001000000019C97AFDF6C9A31FFA86D71EA"
"79A079001E2B59EE408FD418498219400639AC0A010000008B4830450220363CFFAE09"
"599397B21E6D8A8073FB1DFBE06B6ACDD0F2F7D3FEA86CA9C3F605022100FA255A6ED2"
"3FD825C759EF1A885A31CAD0989606CA8A3A16657D50FE3CEF5828014104FF444BAC08"
"308B9EC97F56A652AD8866E0BA804DA97868909999566CB377F4A2C8F1000E83B49686"
"8F3A282E1A34DF78565B65C15C3FA21A0763FD81A3DFBBB6FFFFFFFF02C05EECDE0100"
"00001976A914588554E6CC64E7343D77117DA7E01357A6111B7988AC404B4C00000000"
"001976A914CA6EB218592F289999F13916EE32829AD587DBC588AC0000000001000000"
"01BEF5C9225CB9FE3DEF929423FA36AAD9980B9D6F8F3070001ACF3A5FB389A69F0000"
"00004A493046022100FB23B1E2F2FB8B96E04D220D385346290A9349F89BBBC5C225D5"
"A56D931F8A8E022100F298EB28294B90C1BAF319DAB713E7CA721AAADD8FCC15F849DE"
"7B0A6CF5412101FFFFFFFF0100F2052A010000001976A9146DDEA8071439951115469D"
"0D2E2B80ECBCDD48DB88AC00000000")
# block 80974
block_80974_cs = '0000000000089F7910F6755C10EA2795EC368A29B435D80770AD78493A6FECF1'.lower(
)
block_80974_data = h2b(
"010000007480150B299A16BBCE5CCDB1D1BBC65CFC5893B01E6619107C552000000000"
"007900A2B203D24C69710AB6A94BEB937E1B1ADD64C2327E268D8C3E5F8B41DBED8796"
"974CED66471B204C324703010000000100000000000000000000000000000000000000"
"00000000000000000000000000FFFFFFFF0804ED66471B024001FFFFFFFF0100F2052A"
"010000004341045FEE68BAB9915C4EDCA4C680420ED28BBC369ED84D48AC178E1F5F7E"
"EAC455BBE270DABA06802145854B5E29F0A7F816E2DF906E0FE4F6D5B4C9B92940E4F0"
"EDAC000000000100000001F7B30415D1A7BF6DB91CB2A272767C6799D721A4178AA328"
"E0D77C199CB3B57F010000008A4730440220556F61B84F16E637836D2E74B8CB784DE4"
"0C28FE3EF93CCB7406504EE9C7CAA5022043BD4749D4F3F7F831AC696748AD8D8E79AE"
"B4A1C539E742AA3256910FC88E170141049A414D94345712893A828DE57B4C2054E2F5"
"96CDCA9D0B4451BA1CA5F8847830B9BE6E196450E6ABB21C540EA31BE310271AA00A49"
"ED0BA930743D1ED465BAD0FFFFFFFF0200E1F505000000001976A914529A63393D63E9"
"80ACE6FA885C5A89E4F27AA08988ACC0ADA41A000000001976A9145D17976537F30886"
"5ED533CCCFDD76558CA3C8F088AC00000000010000000165148D894D3922EF5FFDA962"
"BE26016635C933D470C8B0AB7618E869E3F70E3C000000008B48304502207F5779EBF4"
"834FEAEFF4D250898324EB5C0833B16D7AF4C1CB0F66F50FCF6E85022100B78A65377F"
"D018281E77285EFC31E5B9BA7CB7E20E015CF6B7FA3E4A466DD195014104072AD79E0A"
"A38C05FA33DD185F84C17F611E58A8658CE996D8B04395B99C7BE36529CAB7606900A0"
"CD5A7AEBC6B233EA8E0FE60943054C63620E05E5B85F0426FFFFFFFF02404B4C000000"
"00001976A914D4CAA8447532CA8EE4C80A1AE1D230A01E22BFDB88AC8013A0DE010000"
"001976A9149661A79AE1F6D487AF3420C13E649D6DF3747FC288AC00000000")
block_80971 = Block.parse(io.BytesIO(block_80971_data))
self.assertEqual(block_80971.id(), block_80971_cs)
block_80974 = Block.parse(io.BytesIO(block_80974_data))
self.assertEqual(block_80974.id(), block_80974_cs)
tx_db = {tx.hash(): tx for tx in block_80971.txs}
tx_to_validate = block_80974.txs[2]
self.assertEqual(
"OP_DUP OP_HASH160 [d4caa8447532ca8ee4c80a1ae1d230a01e22bfdb] OP_EQUALVERIFY OP_CHECKSIG",
tools.disassemble(tx_to_validate.txs_out[0].script))
self.assertEqual(
tx_to_validate.id(),
"7c4f5385050c18aa8df2ba50da566bbab68635999cc99b75124863da1594195b")
tx_to_validate.unspents_from_db(tx_db)
self.assertEqual(tx_to_validate.bad_signature_count(), 0)
# now, let's corrupt the Tx and see what happens
tx_out = tx_to_validate.txs_out[1]
disassembly = tools.disassemble(tx_out.script)
tx_out.script = tools.compile(disassembly)
self.assertEqual(tx_to_validate.bad_signature_count(), 0)
disassembly = disassembly.replace(
"9661a79ae1f6d487af3420c13e649d6df3747fc2",
"9661a79ae1f6d487af3420c13e649d6df3747fc3")
tx_out.script = tools.compile(disassembly)
self.assertEqual(tx_to_validate.bad_signature_count(), 1)
self.assertFalse(tx_to_validate.is_signature_ok(0))
def test_validate_two_inputs(self):
def tx_from_b64(h):
f = io.BytesIO(binascii.a2b_base64(h.encode("utf8")))
return Tx.parse(f)
# c9989d984c97128b03b9f118481c631c584f7aa42b578dbea6194148701b053d
# This is the one we're going to validate. It has inputs from
# tx_1 = b52201c2741d410b70688335afebba0d58f8675fa9b6c8c54becb0d7c0a75983
# and tx_2 = 72151f65db1d8594df90778639a4c0c17c1e303af01de0d04af8fac13854bbfd
TX_0_HEX = (
"AQAAAAKDWafA17DsS8XItqlfZ/hYDbrrrzWDaHALQR10wgEitQAAAACLSDBFAiAnyvQ1P7"
"b8+84JbBUbE1Xtgrd0KNpD4eyVTNU/burbtgIhAOS8T1TrhXkGXQTGbLSEJy5uvZMGEzOj"
"ITxO+DrykiPlAUEE3yJcIB5OCpaDjrop+N3bm8h9PKw8bF/YB4v3yD+VeQf4fXdUZ9hJJS"
"nFeJ+QeJrC7q3Y23QSYeYbW/AfA3D5G//////9u1Q4wfr4StDgHfA6MB58wcCkOYZ3kN+U"
"hR3bZR8VcgAAAACLSDBFAiAN6ZQr+9HTgmF57EsPyXIhQ6J5M4lgwlj/tJTShZ+toQIhAL"
"0U1i9yiCEm75uCEp8uRaySqS7P4x7A+L2Vr5kS+7ANAUEEkSqVI6gw1scM0GuJWgMh4jpW"
"KJA0yOl03uQaV/jHURn+HswOIORzvsG9qQY1/9BZgDPaMuI5U5JlyA3WkhLxgf////8Ctk"
"SUzxAAAAAZdqkULXTu3lp2t/wMSuvqbifOSj9/kvmIrAAoa+4AAAAAGXapFF3ySpVdjz9V"
"8fRKvzDqXQRcmowSiKwAAAAA")
TX_1_HEX = (
"AQAAAAEL3YmFDcZpf4SH7uN1IBmMoBd4OhmTp4EAQ8A0ZQ3tiwAAAACKRzBEAiA4Fkl8lk"
"JSeLtWHsp1j0h7y0KKFmqxhDR0CK0HnmZWBQIgDSTDenor3zbNqTs+FApeDl8DKCz1xGQC"
"JQN0/sp00VABQQQzSNc33wdDXA/F9y9/hAR88q6Se6vRCHEC7dYgbIp1pgxqGzrWXQroGk"
"QLhnAbn/fDhUoVbCgM/UHXYmjXlhdO/////wI3HGlfEQAAABl2qRRM+dhUVUjeAlb0jEsH"
"JrFClGGSZ4isMAYVCgAAAAAZdqkUgnSLXoYTeOKFFRdtLYxWcGZ2Ht2IrAAAAAA=")
TX_2_HEX = (
"AQAAAAFDjBbw61AYUWMx+3moZ2vb9dvLKydOSFIwcfBTjG0QSgEAAACKRzBEAiA5WWKhR4"
"8OI60ZDCXnOru/FH6NvuTGhRLggjbpJB2dhgIgKp0FFL0ClSCxxqGjYneDinvgROGSw6Dt"
"Vtvflrhaom8BQQR50YjAg1e5qRkP4ER29ec5jKfzk3DHJhS7Si0sEbvNIJMfjjbZfZWtJi"
"15wHZhuHh4e3G6SWMdJLHH5pgbseFh/////wLPE5deAAAAABl2qRSmRdbMvv5fEbgFD1Yk"
"taBU9zQTW4iswJ7mBQAAAAAZdqkU4E5+Is4tr+8bPU6ELYHSvz/Ng0eIrAAAAAA=")
tx_0 = tx_from_b64(TX_0_HEX)
self.assertEqual(
tx_0.id(),
"c9989d984c97128b03b9f118481c631c584f7aa42b578dbea6194148701b053d")
tx_1 = tx_from_b64(TX_1_HEX)
self.assertEqual(
tx_1.id(),
"b52201c2741d410b70688335afebba0d58f8675fa9b6c8c54becb0d7c0a75983")
tx_2 = tx_from_b64(TX_2_HEX)
self.assertEqual(
tx_2.id(),
"72151f65db1d8594df90778639a4c0c17c1e303af01de0d04af8fac13854bbfd")
TX_DB = {tx.hash(): tx for tx in [tx_0, tx_1, tx_2]}
tx_to_validate = tx_0
self.assertEqual(
"OP_DUP OP_HASH160 [2d74eede5a76b7fc0c4aebea6e27ce4a3f7f92f9] OP_EQUALVERIFY OP_CHECKSIG",
tools.disassemble(tx_to_validate.txs_out[0].script))
self.assertEqual(
tx_to_validate.id(),
"c9989d984c97128b03b9f118481c631c584f7aa42b578dbea6194148701b053d")
tx_to_validate.unspents_from_db(TX_DB)
self.assertEqual(tx_to_validate.bad_signature_count(), 0)
# now let's mess with signatures
disassembly = tools.disassemble(tx_to_validate.txs_in[0].script)
tx_to_validate.txs_in[0].script = tools.compile(disassembly)
self.assertEqual(tx_to_validate.bad_signature_count(), 0)
disassembly = disassembly.replace("353fb6fcfbce09", "353fb6fcfbce19")
tx_to_validate.txs_in[0].script = tools.compile(disassembly)
self.assertEqual(tx_to_validate.bad_signature_count(), 1)
self.assertFalse(tx_to_validate.is_signature_ok(0))
tx_to_validate = tx_from_b64(TX_0_HEX)
tx_to_validate.unspents_from_db(TX_DB)
self.assertEqual(tx_to_validate.bad_signature_count(), 0)
disassembly = tools.disassemble(tx_to_validate.txs_in[1].script)
disassembly = disassembly.replace("960c258ffb494d2859f",
"960d258ffb494d2859f")
tx_to_validate.txs_in[1].script = tools.compile(disassembly)
self.assertEqual(tx_to_validate.bad_signature_count(), 1)
self.assertFalse(tx_to_validate.is_signature_ok(1))
# futz with signature on tx_1
tx_to_validate = tx_from_b64(TX_0_HEX)
original_tx_hash = tx_1.hash()
disassembly = tools.disassemble(tx_1.txs_out[0].script)
disassembly = disassembly.replace(
"4cf9d8545548de0256f48c4b0726b14294619267",
"4cf9d8545548de1256f48c4b0726b14294619267")
tx_1.txs_out[0].script = tools.compile(disassembly)
TX_DB[original_tx_hash] = tx_1
tx_to_validate.unspents_from_db(TX_DB, ignore_missing=True)
self.assertEqual(tx_to_validate.bad_signature_count(), 1)
self.assertFalse(tx_to_validate.is_signature_ok(0, ))
# fix it up again
TX_DB[original_tx_hash] = tx_from_b64(TX_1_HEX)
tx_to_validate.unspents_from_db(TX_DB)
self.assertEqual(tx_to_validate.bad_signature_count(), 0)
# futz with signature on tx_2
tx_to_validate = tx_from_b64(TX_0_HEX)
original_tx_hash = tx_2.hash()
disassembly = tools.disassemble(tx_2.txs_out[0].script)
disassembly = disassembly.replace(
"a645d6ccbefe5f11b8050f5624b5a054f734135b",
"a665d6ccbefe5f11b8050f5624b5a054f734135b")
tx_2.txs_out[0].script = tools.compile(disassembly)
TX_DB[original_tx_hash] = tx_2
tx_to_validate.unspents_from_db(TX_DB, ignore_missing=True)
self.assertEqual(tx_to_validate.bad_signature_count(), 1)
self.assertFalse(tx_to_validate.is_signature_ok(1))
# fix it up again
TX_DB[original_tx_hash] = tx_from_b64(TX_2_HEX)
tx_to_validate.unspents_from_db(TX_DB)
self.assertEqual(tx_to_validate.bad_signature_count(), 0)