def test_nulldata(self):
OP_RETURN = BitcoinScriptTools.compile("OP_RETURN")
for sample in [b'test', b'me', b'a', b'39qEwuwyb2cAX38MFtrNzvq3KV9hSNov3q', b'', b'0'*80]:
sample_script = OP_RETURN + sample
sc = script_for_nulldata(sample)
info = script_info_for_script(sc)
self.assertEqual(info.get("data"), sample)
self.assertEqual(sc, sample_script)
out = Tx.TxOut(1, sc)
# ensure we can create a tx
Tx(0, [], [out])
def test_solve_pay_to_public_pair(self):
for se in range(1, 10):
key = Key(secret_exponent=se, generator=secp256k1_generator)
for b in [True, False]:
addr = key.address(use_uncompressed=b)
script = script_for_p2pk(key.sec(use_uncompressed=b))
afs_address = address_for_script(script)
self.assertEqual(afs_address, addr)
hl = build_hash160_lookup([se], [secp256k1_generator])
tx = Tx(1, [], [Tx.TxOut(100, script)])
tx.sign(hash160_lookup=hl)
afs_address = address_for_script(tx.txs_out[0].puzzle_script())
self.assertEqual(afs_address, addr)
def test_nulldata_push(self):
OP_RETURN = BitcoinScriptTools.compile("OP_RETURN")
for sample in [b'test', b'me', b'a', b'39qEwuwyb2cAX38MFtrNzvq3KV9hSNov3q', b'', b'0'*80]:
sample_push = BitcoinScriptTools.compile_push_data_list([sample])
sample_script = OP_RETURN + sample_push
sc = script_for_nulldata_push(sample)
info = script_info_for_script(sc)
self.assertEqual(info.get("data"), sample_push)
self.assertEqual(sc, sample_script)
out = Tx.TxOut(1, sc)
# ensure we can create a tx
Tx(0, [], [out])
# convert between asm and back to ensure no bugs with compilation
self.assertEqual(sc, BitcoinScriptTools.compile(BitcoinScriptTools.disassemble(sc)))
def multisig_M_of_N_individually(self, M, N):
keys = [
Key(secret_exponent=i, generator=secp256k1_generator)
for i in range(1, N + 2)
]
tx_in = Tx.TxIn.coinbase_tx_in(script=b'')
script = script_for_multisig(m=M,
sec_keys=[key.sec() for key in keys[:N]])
tx_out = Tx.TxOut(1000000, script)
tx1 = Tx(version=1, txs_in=[tx_in], txs_out=[tx_out])
for partial_key_list in itertools.permutations(keys[:N], M):
tx2 = create_tx(tx1.tx_outs_as_spendable(), [keys[-1].address()])
for key in partial_key_list:
self.assertEqual(tx2.bad_signature_count(), 1)
hash160_lookup = build_hash160_lookup([key.secret_exponent()],
[secp256k1_generator])
tx2.sign(hash160_lookup=hash160_lookup)
self.assertEqual(tx2.bad_signature_count(), 0)
def test_issue_225(self):
script = script_for_nulldata(b"foobar")
tx_out = Tx.TxOut(1, script)
address = address_for_script(tx_out.puzzle_script())
self.assertEqual(address, "(nulldata 666f6f626172)")
