diff options
Diffstat (limited to 'test/functional/p2p_segwit.py')
| -rwxr-xr-x | test/functional/p2p_segwit.py | 98 |
1 files changed, 62 insertions, 36 deletions
diff --git a/test/functional/p2p_segwit.py b/test/functional/p2p_segwit.py index 73bfdc868c..000c30646a 100755 --- a/test/functional/p2p_segwit.py +++ b/test/functional/p2p_segwit.py @@ -9,7 +9,7 @@ import struct import time from test_framework.blocktools import create_block, create_coinbase, add_witness_commitment, get_witness_script, WITNESS_COMMITMENT_HEADER -from test_framework.key import CECKey, CPubKey +from test_framework.key import ECKey from test_framework.messages import ( BIP125_SEQUENCE_NUMBER, CBlock, @@ -36,6 +36,7 @@ from test_framework.messages import ( ser_vector, sha256, uint256_from_str, + FromHex, ) from test_framework.mininode import ( P2PInterface, @@ -77,8 +78,7 @@ from test_framework.util import ( disconnect_nodes, get_bip9_status, hex_str_to_bytes, - sync_blocks, - sync_mempools, + assert_raises_rpc_error, ) # The versionbit bit used to signal activation of SegWit @@ -102,7 +102,7 @@ def get_p2pkh_script(pubkeyhash): def sign_p2pk_witness_input(script, tx_to, in_idx, hashtype, value, key): """Add signature for a P2PK witness program.""" tx_hash = SegwitVersion1SignatureHash(script, tx_to, in_idx, hashtype, value) - signature = key.sign(tx_hash) + chr(hashtype).encode('latin-1') + signature = key.sign_ecdsa(tx_hash) + chr(hashtype).encode('latin-1') tx_to.wit.vtxinwit[in_idx].scriptWitness.stack = [signature, script] tx_to.rehash() @@ -271,6 +271,7 @@ class SegWitTest(BitcoinTestFramework): self.test_non_standard_witness() self.test_upgrade_after_activation() self.test_witness_sigops() + self.test_superfluous_witness() # Individual tests @@ -283,7 +284,7 @@ class SegWitTest(BitcoinTestFramework): func(self, *args, **kwargs) # Each subtest should leave some utxos for the next subtest assert self.utxo - sync_blocks(self.nodes) + self.sync_blocks() # Assert segwit status is as expected at end of subtest assert_equal(get_bip9_status(self.nodes[0], 'segwit')['status'], self.segwit_status) @@ -644,7 +645,7 @@ class SegWitTest(BitcoinTestFramework): # Mine it on test_node to create the confirmed output. test_transaction_acceptance(self.nodes[0], self.test_node, p2sh_tx, with_witness=True, accepted=True) self.nodes[0].generate(1) - sync_blocks(self.nodes) + self.sync_blocks() # Now test standardness of v0 P2WSH outputs. # Start by creating a transaction with two outputs. @@ -675,7 +676,7 @@ class SegWitTest(BitcoinTestFramework): tx3 = CTransaction() # tx and tx2 were both accepted. Don't bother trying to reclaim the # P2PKH output; just send tx's first output back to an anyone-can-spend. - sync_mempools([self.nodes[0], self.nodes[1]]) + self.sync_mempools([self.nodes[0], self.nodes[1]]) tx3.vin = [CTxIn(COutPoint(tx.sha256, 0), b"")] tx3.vout = [CTxOut(tx.vout[0].nValue - 1000, CScript([OP_TRUE, OP_DROP] * 15 + [OP_TRUE]))] tx3.wit.vtxinwit.append(CTxInWitness()) @@ -694,7 +695,7 @@ class SegWitTest(BitcoinTestFramework): test_transaction_acceptance(self.nodes[0], self.test_node, tx3, with_witness=True, accepted=True) self.nodes[0].generate(1) - sync_blocks(self.nodes) + self.sync_blocks() self.utxo.pop(0) self.utxo.append(UTXO(tx3.sha256, 0, tx3.vout[0].nValue)) assert_equal(len(self.nodes[1].getrawmempool()), 0) @@ -732,7 +733,7 @@ class SegWitTest(BitcoinTestFramework): block = self.build_next_block() self.update_witness_block_with_transactions(block, [tx]) test_witness_block(self.nodes[0], self.test_node, block, accepted=True, with_witness=True) - sync_blocks(self.nodes) + self.sync_blocks() # Now test attempts to spend the output. spend_tx = CTransaction() @@ -1359,7 +1360,8 @@ class SegWitTest(BitcoinTestFramework): def test_segwit_versions(self): """Test validity of future segwit version transactions. - Future segwit version transactions are non-standard, but valid in blocks. + Future segwit versions are non-standard to spend, but valid in blocks. + Sending to future segwit versions is always allowed. Can run this before and after segwit activation.""" NUM_SEGWIT_VERSIONS = 17 # will test OP_0, OP1, ..., OP_16 @@ -1377,7 +1379,7 @@ class SegWitTest(BitcoinTestFramework): for i in range(NUM_SEGWIT_VERSIONS): self.utxo.append(UTXO(tx.sha256, i, split_value)) - sync_blocks(self.nodes) + self.sync_blocks() temp_utxo = [] tx = CTransaction() witness_program = CScript([OP_TRUE]) @@ -1395,11 +1397,11 @@ class SegWitTest(BitcoinTestFramework): temp_utxo.append(UTXO(tx.sha256, 0, tx.vout[0].nValue)) self.nodes[0].generate(1) # Mine all the transactions - sync_blocks(self.nodes) + self.sync_blocks() assert len(self.nodes[0].getrawmempool()) == 0 # Finally, verify that version 0 -> version 1 transactions - # are non-standard + # are standard script_pubkey = CScript([CScriptOp(OP_1), witness_hash]) tx2 = CTransaction() tx2.vin = [CTxIn(COutPoint(tx.sha256, 0), b"")] @@ -1407,10 +1409,9 @@ class SegWitTest(BitcoinTestFramework): tx2.wit.vtxinwit.append(CTxInWitness()) tx2.wit.vtxinwit[0].scriptWitness.stack = [witness_program] tx2.rehash() - # Gets accepted to test_node, because standardness of outputs isn't - # checked with fRequireStandard + # Gets accepted to both policy-enforcing nodes and others. test_transaction_acceptance(self.nodes[0], self.test_node, tx2, with_witness=True, accepted=True) - test_transaction_acceptance(self.nodes[1], self.std_node, tx2, with_witness=True, accepted=False) + test_transaction_acceptance(self.nodes[1], self.std_node, tx2, with_witness=True, accepted=True) temp_utxo.pop() # last entry in temp_utxo was the output we just spent temp_utxo.append(UTXO(tx2.sha256, 0, tx2.vout[0].nValue)) @@ -1432,7 +1433,7 @@ class SegWitTest(BitcoinTestFramework): block = self.build_next_block() self.update_witness_block_with_transactions(block, [tx2, tx3]) test_witness_block(self.nodes[0], self.test_node, block, accepted=True) - sync_blocks(self.nodes) + self.sync_blocks() # Add utxo to our list self.utxo.append(UTXO(tx3.sha256, 0, tx3.vout[0].nValue)) @@ -1460,7 +1461,7 @@ class SegWitTest(BitcoinTestFramework): # Now test a premature spend. self.nodes[0].generate(98) - sync_blocks(self.nodes) + self.sync_blocks() block2 = self.build_next_block() self.update_witness_block_with_transactions(block2, [spend_tx]) test_witness_block(self.nodes[0], self.test_node, block2, accepted=False) @@ -1470,7 +1471,7 @@ class SegWitTest(BitcoinTestFramework): block2 = self.build_next_block() self.update_witness_block_with_transactions(block2, [spend_tx]) test_witness_block(self.nodes[0], self.test_node, block2, accepted=True) - sync_blocks(self.nodes) + self.sync_blocks() @subtest def test_uncompressed_pubkey(self): @@ -1481,10 +1482,9 @@ class SegWitTest(BitcoinTestFramework): # Segwit transactions using uncompressed pubkeys are not accepted # under default policy, but should still pass consensus. - key = CECKey() - key.set_secretbytes(b"9") - key.set_compressed(False) - pubkey = CPubKey(key.get_pubkey()) + key = ECKey() + key.generate(False) + pubkey = key.get_pubkey().get_bytes() assert_equal(len(pubkey), 65) # This should be an uncompressed pubkey utxo = self.utxo.pop(0) @@ -1514,7 +1514,7 @@ class SegWitTest(BitcoinTestFramework): tx2.vout.append(CTxOut(tx.vout[0].nValue - 1000, script_wsh)) script = get_p2pkh_script(pubkeyhash) sig_hash = SegwitVersion1SignatureHash(script, tx2, 0, SIGHASH_ALL, tx.vout[0].nValue) - signature = key.sign(sig_hash) + b'\x01' # 0x1 is SIGHASH_ALL + signature = key.sign_ecdsa(sig_hash) + b'\x01' # 0x1 is SIGHASH_ALL tx2.wit.vtxinwit.append(CTxInWitness()) tx2.wit.vtxinwit[0].scriptWitness.stack = [signature, pubkey] tx2.rehash() @@ -1568,7 +1568,7 @@ class SegWitTest(BitcoinTestFramework): tx5.vin.append(CTxIn(COutPoint(tx4.sha256, 0), b"")) tx5.vout.append(CTxOut(tx4.vout[0].nValue - 1000, CScript([OP_TRUE]))) (sig_hash, err) = SignatureHash(script_pubkey, tx5, 0, SIGHASH_ALL) - signature = key.sign(sig_hash) + b'\x01' # 0x1 is SIGHASH_ALL + signature = key.sign_ecdsa(sig_hash) + b'\x01' # 0x1 is SIGHASH_ALL tx5.vin[0].scriptSig = CScript([signature, pubkey]) tx5.rehash() # Should pass policy and consensus. @@ -1581,9 +1581,9 @@ class SegWitTest(BitcoinTestFramework): @subtest def test_signature_version_1(self): - key = CECKey() - key.set_secretbytes(b"9") - pubkey = CPubKey(key.get_pubkey()) + key = ECKey() + key.generate() + pubkey = key.get_pubkey().get_bytes() witness_program = CScript([pubkey, CScriptOp(OP_CHECKSIG)]) witness_hash = sha256(witness_program) @@ -1600,7 +1600,7 @@ class SegWitTest(BitcoinTestFramework): block = self.build_next_block() self.update_witness_block_with_transactions(block, [tx]) test_witness_block(self.nodes[0], self.test_node, block, accepted=True) - sync_blocks(self.nodes) + self.sync_blocks() self.utxo.pop(0) # Test each hashtype @@ -1718,7 +1718,7 @@ class SegWitTest(BitcoinTestFramework): script = get_p2pkh_script(pubkeyhash) sig_hash = SegwitVersion1SignatureHash(script, tx2, 0, SIGHASH_ALL, tx.vout[0].nValue) - signature = key.sign(sig_hash) + b'\x01' # 0x1 is SIGHASH_ALL + signature = key.sign_ecdsa(sig_hash) + b'\x01' # 0x1 is SIGHASH_ALL # Check that we can't have a scriptSig tx2.vin[0].scriptSig = CScript([signature, pubkey]) @@ -1779,7 +1779,7 @@ class SegWitTest(BitcoinTestFramework): tx.rehash() test_transaction_acceptance(self.nodes[0], self.test_node, tx, False, True) self.nodes[0].generate(1) - sync_blocks(self.nodes) + self.sync_blocks() # We'll add an unnecessary witness to this transaction that would cause # it to be non-standard, to test that violating policy with a witness @@ -1808,7 +1808,7 @@ class SegWitTest(BitcoinTestFramework): test_transaction_acceptance(self.nodes[0], self.test_node, tx3, False, True) self.nodes[0].generate(1) - sync_blocks(self.nodes) + self.sync_blocks() # Update our utxo list; we spent the first entry. self.utxo.pop(0) @@ -1844,7 +1844,7 @@ class SegWitTest(BitcoinTestFramework): test_transaction_acceptance(self.nodes[0], self.test_node, tx, with_witness=False, accepted=True) self.nodes[0].generate(1) - sync_blocks(self.nodes) + self.sync_blocks() # Creating transactions for tests p2wsh_txs = [] @@ -1908,7 +1908,7 @@ class SegWitTest(BitcoinTestFramework): self.nodes[0].generate(1) # Mine and clean up the mempool of non-standard node # Valid but non-standard transactions in a block should be accepted by standard node - sync_blocks(self.nodes) + self.sync_blocks() assert_equal(len(self.nodes[0].getrawmempool()), 0) assert_equal(len(self.nodes[1].getrawmempool()), 0) @@ -1923,7 +1923,7 @@ class SegWitTest(BitcoinTestFramework): self.start_node(2, extra_args=["-vbparams=segwit:0:999999999999"]) connect_nodes(self.nodes[0], 2) - sync_blocks(self.nodes) + self.sync_blocks() # Make sure that this peer thinks segwit has activated. assert get_bip9_status(self.nodes[2], 'segwit')['status'] == "active" @@ -2020,7 +2020,7 @@ class SegWitTest(BitcoinTestFramework): test_witness_block(self.nodes[0], self.test_node, block_4, accepted=True) # Reset the tip back down for the next test - sync_blocks(self.nodes) + self.sync_blocks() for x in self.nodes: x.invalidateblock(block_4.hash) @@ -2037,5 +2037,31 @@ class SegWitTest(BitcoinTestFramework): # TODO: test p2sh sigop counting + def test_superfluous_witness(self): + # Serialization of tx that puts witness flag to 1 always + def serialize_with_bogus_witness(tx): + flags = 1 + r = b"" + r += struct.pack("<i", tx.nVersion) + if flags: + dummy = [] + r += ser_vector(dummy) + r += struct.pack("<B", flags) + r += ser_vector(tx.vin) + r += ser_vector(tx.vout) + if flags & 1: + if (len(tx.wit.vtxinwit) != len(tx.vin)): + # vtxinwit must have the same length as vin + tx.wit.vtxinwit = tx.wit.vtxinwit[:len(tx.vin)] + for i in range(len(tx.wit.vtxinwit), len(tx.vin)): + tx.wit.vtxinwit.append(CTxInWitness()) + r += tx.wit.serialize() + r += struct.pack("<I", tx.nLockTime) + return r + + raw = self.nodes[0].createrawtransaction([{"txid":"00"*32, "vout":0}], {self.nodes[0].getnewaddress():1}) + tx = FromHex(CTransaction(), raw) + assert_raises_rpc_error(-22, "TX decode failed", self.nodes[0].decoderawtransaction, serialize_with_bogus_witness(tx).hex()) + if __name__ == '__main__': SegWitTest().main() |