diff options
Diffstat (limited to 'test/functional/p2p_segwit.py')
| -rwxr-xr-x | test/functional/p2p_segwit.py | 195 |
1 files changed, 45 insertions, 150 deletions
diff --git a/test/functional/p2p_segwit.py b/test/functional/p2p_segwit.py index 9d32c1cb86..db96e6bdcf 100755 --- a/test/functional/p2p_segwit.py +++ b/test/functional/p2p_segwit.py @@ -9,11 +9,10 @@ import random 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.blocktools import create_block, create_coinbase, add_witness_commitment, WITNESS_COMMITMENT_HEADER from test_framework.key import ECKey from test_framework.messages import ( BIP125_SEQUENCE_NUMBER, - CBlock, CBlockHeader, CInv, COutPoint, @@ -40,8 +39,7 @@ from test_framework.messages import ( ser_uint256, ser_vector, sha256, - uint256_from_str, - FromHex, + tx_from_hex, ) from test_framework.p2p import ( P2PInterface, @@ -60,12 +58,8 @@ from test_framework.script import ( OP_CHECKMULTISIG, OP_CHECKSIG, OP_DROP, - OP_DUP, OP_ELSE, OP_ENDIF, - OP_EQUAL, - OP_EQUALVERIFY, - OP_HASH160, OP_IF, OP_RETURN, OP_TRUE, @@ -77,6 +71,12 @@ from test_framework.script import ( LegacySignatureHash, hash160, ) +from test_framework.script_util import ( + key_to_p2wpkh_script, + keyhash_to_p2pkh_script, + script_to_p2sh_script, + script_to_p2wsh_script, +) from test_framework.test_framework import BitcoinTestFramework from test_framework.util import ( assert_equal, @@ -100,10 +100,6 @@ class UTXO(): self.n = n self.nValue = value -def get_p2pkh_script(pubkeyhash): - """Get the script associated with a P2PKH.""" - return CScript([CScriptOp(OP_DUP), CScriptOp(OP_HASH160), pubkeyhash, CScriptOp(OP_EQUALVERIFY), CScriptOp(OP_CHECKSIG)]) - def sign_p2pk_witness_input(script, tx_to, in_idx, hashtype, value, key): """Add signature for a P2PK witness program.""" tx_hash = SegwitV0SignatureHash(script, tx_to, in_idx, hashtype, value) @@ -209,24 +205,17 @@ class TestP2PConn(P2PInterface): class SegWitTest(BitcoinTestFramework): def set_test_params(self): self.setup_clean_chain = True - self.num_nodes = 3 + self.num_nodes = 2 # This test tests SegWit both pre and post-activation, so use the normal BIP9 activation. self.extra_args = [ ["-acceptnonstdtxn=1", "-segwitheight={}".format(SEGWIT_HEIGHT), "-whitelist=noban@127.0.0.1"], ["-acceptnonstdtxn=0", "-segwitheight={}".format(SEGWIT_HEIGHT)], - ["-acceptnonstdtxn=1", "-segwitheight=-1"], ] self.supports_cli = False def skip_test_if_missing_module(self): self.skip_if_no_wallet() - def setup_network(self): - self.setup_nodes() - self.connect_nodes(0, 1) - self.connect_nodes(0, 2) - self.sync_all() - # Helper functions def build_next_block(self, version=4): @@ -267,7 +256,6 @@ class SegWitTest(BitcoinTestFramework): self.test_non_witness_transaction() self.test_v0_outputs_arent_spendable() self.test_block_relay() - self.test_getblocktemplate_before_lockin() self.test_unnecessary_witness_before_segwit_activation() self.test_witness_tx_relay_before_segwit_activation() self.test_standardness_v0() @@ -295,7 +283,6 @@ class SegWitTest(BitcoinTestFramework): self.test_signature_version_1() self.test_non_standard_witness_blinding() self.test_non_standard_witness() - self.test_upgrade_after_activation() self.test_witness_sigops() self.test_superfluous_witness() self.test_wtxid_relay() @@ -485,18 +472,10 @@ class SegWitTest(BitcoinTestFramework): witness, and so can't be spent before segwit activation (the point at which blocks are permitted to contain witnesses).""" - # node2 doesn't need to be connected for this test. - # (If it's connected, node0 may propagate an invalid block to it over - # compact blocks and the nodes would have inconsistent tips.) - self.disconnect_nodes(0, 2) - # Create two outputs, a p2wsh and p2sh-p2wsh witness_program = CScript([OP_TRUE]) - witness_hash = sha256(witness_program) - script_pubkey = CScript([OP_0, witness_hash]) - - p2sh_pubkey = hash160(script_pubkey) - p2sh_script_pubkey = CScript([OP_HASH160, p2sh_pubkey, OP_EQUAL]) + script_pubkey = script_to_p2wsh_script(witness_program) + p2sh_script_pubkey = script_to_p2sh_script(script_pubkey) value = self.utxo[0].nValue // 3 @@ -550,38 +529,10 @@ class SegWitTest(BitcoinTestFramework): # TODO: support multiple acceptable reject reasons. test_witness_block(self.nodes[0], self.test_node, block, accepted=False, with_witness=False) - self.connect_nodes(0, 2) - self.utxo.pop(0) self.utxo.append(UTXO(txid, 2, value)) @subtest # type: ignore - def test_getblocktemplate_before_lockin(self): - txid = int(self.nodes[0].sendtoaddress(self.nodes[0].getnewaddress(), 1), 16) - - for node in [self.nodes[0], self.nodes[2]]: - gbt_results = node.getblocktemplate({"rules": ["segwit"]}) - if node == self.nodes[2]: - # If this is a non-segwit node, we should not get a witness - # commitment. - assert 'default_witness_commitment' not in gbt_results - else: - # For segwit-aware nodes, check the witness - # commitment is correct. - assert 'default_witness_commitment' in gbt_results - witness_commitment = gbt_results['default_witness_commitment'] - - # Check that default_witness_commitment is present. - witness_root = CBlock.get_merkle_root([ser_uint256(0), - ser_uint256(txid)]) - script = get_witness_script(witness_root, 0) - assert_equal(witness_commitment, script.hex()) - - # Clear out the mempool - self.nodes[0].generate(1) - self.sync_blocks() - - @subtest # type: ignore def test_witness_tx_relay_before_segwit_activation(self): # Generate a transaction that doesn't require a witness, but send it @@ -631,11 +582,8 @@ class SegWitTest(BitcoinTestFramework): V0 segwit inputs may only be mined after activation, but not before.""" witness_program = CScript([OP_TRUE]) - witness_hash = sha256(witness_program) - script_pubkey = CScript([OP_0, witness_hash]) - - p2sh_pubkey = hash160(witness_program) - p2sh_script_pubkey = CScript([OP_HASH160, p2sh_pubkey, OP_EQUAL]) + script_pubkey = script_to_p2wsh_script(witness_program) + p2sh_script_pubkey = script_to_p2sh_script(witness_program) # First prepare a p2sh output (so that spending it will pass standardness) p2sh_tx = CTransaction() @@ -662,6 +610,7 @@ class SegWitTest(BitcoinTestFramework): test_transaction_acceptance(self.nodes[1], self.std_node, tx, with_witness=True, accepted=True) # Now create something that looks like a P2PKH output. This won't be spendable. + witness_hash = sha256(witness_program) script_pubkey = CScript([OP_0, hash160(witness_hash)]) tx2 = CTransaction() # tx was accepted, so we spend the second output. @@ -740,10 +689,8 @@ class SegWitTest(BitcoinTestFramework): # Prepare the p2sh-wrapped witness output witness_program = CScript([OP_DROP, OP_TRUE]) - witness_hash = sha256(witness_program) - p2wsh_pubkey = CScript([OP_0, witness_hash]) - p2sh_witness_hash = hash160(p2wsh_pubkey) - script_pubkey = CScript([OP_HASH160, p2sh_witness_hash, OP_EQUAL]) + p2wsh_pubkey = script_to_p2wsh_script(witness_program) + script_pubkey = script_to_p2sh_script(p2wsh_pubkey) script_sig = CScript([p2wsh_pubkey]) # a push of the redeem script # Fund the P2SH output @@ -837,8 +784,7 @@ class SegWitTest(BitcoinTestFramework): # Let's construct a witness program witness_program = CScript([OP_TRUE]) - witness_hash = sha256(witness_program) - script_pubkey = CScript([OP_0, witness_hash]) + script_pubkey = script_to_p2wsh_script(witness_program) tx.vout.append(CTxOut(self.utxo[0].nValue - 1000, script_pubkey)) tx.rehash() @@ -951,8 +897,7 @@ class SegWitTest(BitcoinTestFramework): NUM_OUTPUTS = 50 witness_program = CScript([OP_2DROP] * NUM_DROPS + [OP_TRUE]) - witness_hash = uint256_from_str(sha256(witness_program)) - script_pubkey = CScript([OP_0, ser_uint256(witness_hash)]) + script_pubkey = script_to_p2wsh_script(witness_program) prevout = COutPoint(self.utxo[0].sha256, self.utxo[0].n) value = self.utxo[0].nValue @@ -1054,8 +999,7 @@ class SegWitTest(BitcoinTestFramework): block = self.build_next_block() witness_program = CScript([OP_DROP, OP_TRUE]) - witness_hash = sha256(witness_program) - script_pubkey = CScript([OP_0, witness_hash]) + script_pubkey = script_to_p2wsh_script(witness_program) # First try extra witness data on a tx that doesn't require a witness tx = CTransaction() @@ -1127,8 +1071,7 @@ class SegWitTest(BitcoinTestFramework): block = self.build_next_block() witness_program = CScript([OP_DROP, OP_TRUE]) - witness_hash = sha256(witness_program) - script_pubkey = CScript([OP_0, witness_hash]) + script_pubkey = script_to_p2wsh_script(witness_program) tx = CTransaction() tx.vin.append(CTxIn(COutPoint(self.utxo[0].sha256, self.utxo[0].n), b"")) @@ -1166,8 +1109,7 @@ class SegWitTest(BitcoinTestFramework): # This program is 19 max pushes (9937 bytes), then 64 more opcode-bytes. long_witness_program = CScript([b'a' * MAX_SCRIPT_ELEMENT_SIZE] * 19 + [OP_DROP] * 63 + [OP_TRUE]) assert len(long_witness_program) == MAX_PROGRAM_LENGTH + 1 - long_witness_hash = sha256(long_witness_program) - long_script_pubkey = CScript([OP_0, long_witness_hash]) + long_script_pubkey = script_to_p2wsh_script(long_witness_program) block = self.build_next_block() @@ -1190,8 +1132,7 @@ class SegWitTest(BitcoinTestFramework): # Try again with one less byte in the witness program witness_program = CScript([b'a' * MAX_SCRIPT_ELEMENT_SIZE] * 19 + [OP_DROP] * 62 + [OP_TRUE]) assert len(witness_program) == MAX_PROGRAM_LENGTH - witness_hash = sha256(witness_program) - script_pubkey = CScript([OP_0, witness_hash]) + script_pubkey = script_to_p2wsh_script(witness_program) tx.vout[0] = CTxOut(tx.vout[0].nValue, script_pubkey) tx.rehash() @@ -1210,8 +1151,7 @@ class SegWitTest(BitcoinTestFramework): """Test that vin length must match vtxinwit length.""" witness_program = CScript([OP_DROP, OP_TRUE]) - witness_hash = sha256(witness_program) - script_pubkey = CScript([OP_0, witness_hash]) + script_pubkey = script_to_p2wsh_script(witness_program) # Create a transaction that splits our utxo into many outputs tx = CTransaction() @@ -1318,8 +1258,7 @@ class SegWitTest(BitcoinTestFramework): # Now try to add extra witness data to a valid witness tx. witness_program = CScript([OP_TRUE]) - witness_hash = sha256(witness_program) - script_pubkey = CScript([OP_0, witness_hash]) + script_pubkey = script_to_p2wsh_script(witness_program) tx2 = CTransaction() tx2.vin.append(CTxIn(COutPoint(tx_hash, 0), b"")) tx2.vout.append(CTxOut(tx.vout[0].nValue - 1000, script_pubkey)) @@ -1331,9 +1270,8 @@ class SegWitTest(BitcoinTestFramework): # Add too-large for IsStandard witness and check that it does not enter reject filter p2sh_program = CScript([OP_TRUE]) - p2sh_pubkey = hash160(p2sh_program) witness_program2 = CScript([b'a' * 400000]) - tx3.vout.append(CTxOut(tx2.vout[0].nValue - 1000, CScript([OP_HASH160, p2sh_pubkey, OP_EQUAL]))) + tx3.vout.append(CTxOut(tx2.vout[0].nValue - 1000, script_to_p2sh_script(p2sh_program))) tx3.wit.vtxinwit[0].scriptWitness.stack = [witness_program2] tx3.rehash() @@ -1482,8 +1420,7 @@ class SegWitTest(BitcoinTestFramework): block = self.build_next_block() # Change the output of the block to be a witness output. witness_program = CScript([OP_TRUE]) - witness_hash = sha256(witness_program) - script_pubkey = CScript([OP_0, witness_hash]) + script_pubkey = script_to_p2wsh_script(witness_program) block.vtx[0].vout[0].scriptPubKey = script_pubkey # This next line will rehash the coinbase and update the merkle # root, and solve. @@ -1530,7 +1467,7 @@ class SegWitTest(BitcoinTestFramework): # Test 1: P2WPKH # First create a P2WPKH output that uses an uncompressed pubkey pubkeyhash = hash160(pubkey) - script_pkh = CScript([OP_0, pubkeyhash]) + script_pkh = key_to_p2wpkh_script(pubkey) tx = CTransaction() tx.vin.append(CTxIn(COutPoint(utxo.sha256, utxo.n), b"")) tx.vout.append(CTxOut(utxo.nValue - 1000, script_pkh)) @@ -1544,13 +1481,12 @@ class SegWitTest(BitcoinTestFramework): # Now try to spend it. Send it to a P2WSH output, which we'll # use in the next test. witness_program = CScript([pubkey, CScriptOp(OP_CHECKSIG)]) - witness_hash = sha256(witness_program) - script_wsh = CScript([OP_0, witness_hash]) + script_wsh = script_to_p2wsh_script(witness_program) tx2 = CTransaction() tx2.vin.append(CTxIn(COutPoint(tx.sha256, 0), b"")) tx2.vout.append(CTxOut(tx.vout[0].nValue - 1000, script_wsh)) - script = get_p2pkh_script(pubkeyhash) + script = keyhash_to_p2pkh_script(pubkeyhash) sig_hash = SegwitV0SignatureHash(script, tx2, 0, SIGHASH_ALL, tx.vout[0].nValue) signature = key.sign_ecdsa(sig_hash) + b'\x01' # 0x1 is SIGHASH_ALL tx2.wit.vtxinwit.append(CTxInWitness()) @@ -1567,8 +1503,7 @@ class SegWitTest(BitcoinTestFramework): # Test 2: P2WSH # Try to spend the P2WSH output created in last test. # Send it to a P2SH(P2WSH) output, which we'll use in the next test. - p2sh_witness_hash = hash160(script_wsh) - script_p2sh = CScript([OP_HASH160, p2sh_witness_hash, OP_EQUAL]) + script_p2sh = script_to_p2sh_script(script_wsh) script_sig = CScript([script_wsh]) tx3 = CTransaction() @@ -1587,7 +1522,7 @@ class SegWitTest(BitcoinTestFramework): # Test 3: P2SH(P2WSH) # Try to spend the P2SH output created in the last test. # Send it to a P2PKH output, which we'll use in the next test. - script_pubkey = get_p2pkh_script(pubkeyhash) + script_pubkey = keyhash_to_p2pkh_script(pubkeyhash) tx4 = CTransaction() tx4.vin.append(CTxIn(COutPoint(tx3.sha256, 0), script_sig)) tx4.vout.append(CTxOut(tx3.vout[0].nValue - 1000, script_pubkey)) @@ -1624,8 +1559,7 @@ class SegWitTest(BitcoinTestFramework): pubkey = key.get_pubkey().get_bytes() witness_program = CScript([pubkey, CScriptOp(OP_CHECKSIG)]) - witness_hash = sha256(witness_program) - script_pubkey = CScript([OP_0, witness_hash]) + script_pubkey = script_to_p2wsh_script(witness_program) # First create a witness output for use in the tests. tx = CTransaction() @@ -1744,7 +1678,7 @@ class SegWitTest(BitcoinTestFramework): # Now test witness version 0 P2PKH transactions pubkeyhash = hash160(pubkey) - script_pkh = CScript([OP_0, pubkeyhash]) + script_pkh = key_to_p2wpkh_script(pubkey) tx = CTransaction() tx.vin.append(CTxIn(COutPoint(temp_utxos[0].sha256, temp_utxos[0].n), b"")) tx.vout.append(CTxOut(temp_utxos[0].nValue, script_pkh)) @@ -1754,7 +1688,7 @@ class SegWitTest(BitcoinTestFramework): tx2.vin.append(CTxIn(COutPoint(tx.sha256, 0), b"")) tx2.vout.append(CTxOut(tx.vout[0].nValue, CScript([OP_TRUE]))) - script = get_p2pkh_script(pubkeyhash) + script = keyhash_to_p2pkh_script(pubkeyhash) sig_hash = SegwitV0SignatureHash(script, tx2, 0, SIGHASH_ALL, tx.vout[0].nValue) signature = key.sign_ecdsa(sig_hash) + b'\x01' # 0x1 is SIGHASH_ALL @@ -1806,8 +1740,7 @@ class SegWitTest(BitcoinTestFramework): # rules (an anyone-can-spend OP_TRUE would be rejected, if not wrapped # in P2SH). p2sh_program = CScript([OP_TRUE]) - p2sh_pubkey = hash160(p2sh_program) - script_pubkey = CScript([OP_HASH160, p2sh_pubkey, OP_EQUAL]) + script_pubkey = script_to_p2sh_script(p2sh_program) # Now check that unnecessary witnesses can't be used to blind a node # to a transaction, eg by violating standardness checks. @@ -1872,11 +1805,10 @@ class SegWitTest(BitcoinTestFramework): # For each script, generate a pair of P2WSH and P2SH-P2WSH output. outputvalue = (self.utxo[0].nValue - 1000) // (len(scripts) * 2) for i in scripts: - p2wsh = CScript([OP_0, sha256(i)]) - p2sh = hash160(p2wsh) + p2wsh = script_to_p2wsh_script(i) p2wsh_scripts.append(p2wsh) tx.vout.append(CTxOut(outputvalue, p2wsh)) - tx.vout.append(CTxOut(outputvalue, CScript([OP_HASH160, p2sh, OP_EQUAL]))) + tx.vout.append(CTxOut(outputvalue, script_to_p2sh_script(p2wsh))) tx.rehash() txid = tx.sha256 test_transaction_acceptance(self.nodes[0], self.test_node, tx, with_witness=False, accepted=True) @@ -1890,13 +1822,13 @@ class SegWitTest(BitcoinTestFramework): for i in range(len(scripts)): p2wsh_tx = CTransaction() p2wsh_tx.vin.append(CTxIn(COutPoint(txid, i * 2))) - p2wsh_tx.vout.append(CTxOut(outputvalue - 5000, CScript([OP_0, hash160(hex_str_to_bytes(""))]))) + p2wsh_tx.vout.append(CTxOut(outputvalue - 5000, CScript([OP_0, hash160(b"")]))) p2wsh_tx.wit.vtxinwit.append(CTxInWitness()) p2wsh_tx.rehash() p2wsh_txs.append(p2wsh_tx) p2sh_tx = CTransaction() p2sh_tx.vin.append(CTxIn(COutPoint(txid, i * 2 + 1), CScript([p2wsh_scripts[i]]))) - p2sh_tx.vout.append(CTxOut(outputvalue - 5000, CScript([OP_0, hash160(hex_str_to_bytes(""))]))) + p2sh_tx.vout.append(CTxOut(outputvalue - 5000, CScript([OP_0, hash160(b"")]))) p2sh_tx.wit.vtxinwit.append(CTxInWitness()) p2sh_tx.rehash() p2sh_txs.append(p2sh_tx) @@ -1953,46 +1885,12 @@ class SegWitTest(BitcoinTestFramework): self.utxo.pop(0) @subtest # type: ignore - def test_upgrade_after_activation(self): - """Test the behavior of starting up a segwit-aware node after the softfork has activated.""" - - # All nodes are caught up and node 2 is a pre-segwit node that will soon upgrade. - for n in range(2): - assert_equal(self.nodes[n].getblockcount(), self.nodes[2].getblockcount()) - assert softfork_active(self.nodes[n], "segwit") - assert SEGWIT_HEIGHT < self.nodes[2].getblockcount() - assert 'segwit' not in self.nodes[2].getblockchaininfo()['softforks'] - - # Restarting node 2 should result in a shutdown because the blockchain consists of - # insufficiently validated blocks per segwit consensus rules. - self.stop_node(2) - self.nodes[2].assert_start_raises_init_error( - extra_args=[f"-segwitheight={SEGWIT_HEIGHT}"], - expected_msg=f": Witness data for blocks after height {SEGWIT_HEIGHT} requires validation. Please restart with -reindex..\nPlease restart with -reindex or -reindex-chainstate to recover.", - ) - - # As directed, the user restarts the node with -reindex - self.start_node(2, extra_args=["-reindex", f"-segwitheight={SEGWIT_HEIGHT}"]) - - # With the segwit consensus rules, the node is able to validate only up to SEGWIT_HEIGHT - 1 - assert_equal(self.nodes[2].getblockcount(), SEGWIT_HEIGHT - 1) - self.connect_nodes(0, 2) - - # We reconnect more than 100 blocks, give it plenty of time - # sync_blocks() also verifies the best block hash is the same for all nodes - self.sync_blocks(timeout=240) - - # The upgraded node should now have segwit activated - assert softfork_active(self.nodes[2], "segwit") - - @subtest # type: ignore def test_witness_sigops(self): """Test sigop counting is correct inside witnesses.""" # Keep this under MAX_OPS_PER_SCRIPT (201) witness_program = CScript([OP_TRUE, OP_IF, OP_TRUE, OP_ELSE] + [OP_CHECKMULTISIG] * 5 + [OP_CHECKSIG] * 193 + [OP_ENDIF]) - witness_hash = sha256(witness_program) - script_pubkey = CScript([OP_0, witness_hash]) + script_pubkey = script_to_p2wsh_script(witness_program) sigops_per_script = 20 * 5 + 193 * 1 # We'll produce 2 extra outputs, one with a program that would take us @@ -2008,14 +1906,12 @@ class SegWitTest(BitcoinTestFramework): # N(=MAX_SIGOP_COST//sigops_per_script) outputs of our transaction, # would push us just over the block sigop limit. witness_program_toomany = CScript([OP_TRUE, OP_IF, OP_TRUE, OP_ELSE] + [OP_CHECKSIG] * (extra_sigops_available + 1) + [OP_ENDIF]) - witness_hash_toomany = sha256(witness_program_toomany) - script_pubkey_toomany = CScript([OP_0, witness_hash_toomany]) + script_pubkey_toomany = script_to_p2wsh_script(witness_program_toomany) # If we spend this script instead, we would exactly reach our sigop # limit (for witness sigops). witness_program_justright = CScript([OP_TRUE, OP_IF, OP_TRUE, OP_ELSE] + [OP_CHECKSIG] * (extra_sigops_available) + [OP_ENDIF]) - witness_hash_justright = sha256(witness_program_justright) - script_pubkey_justright = CScript([OP_0, witness_hash_justright]) + script_pubkey_justright = script_to_p2wsh_script(witness_program_justright) # First split our available utxo into a bunch of outputs split_value = self.utxo[0].nValue // outputs @@ -2122,14 +2018,14 @@ class SegWitTest(BitcoinTestFramework): unspent = next(u for u in self.nodes[0].listunspent() if u['spendable'] and u['address'].startswith('bcrt')) raw = self.nodes[0].createrawtransaction([{"txid": unspent['txid'], "vout": unspent['vout']}], {self.nodes[0].getnewaddress(): 1}) - tx = FromHex(CTransaction(), raw) + tx = tx_from_hex(raw) assert_raises_rpc_error(-22, "TX decode failed", self.nodes[0].decoderawtransaction, hexstring=serialize_with_bogus_witness(tx).hex(), iswitness=True) with self.nodes[0].assert_debug_log(['Superfluous witness record']): self.test_node.send_and_ping(msg_bogus_tx(tx)) raw = self.nodes[0].signrawtransactionwithwallet(raw) assert raw['complete'] raw = raw['hex'] - tx = FromHex(CTransaction(), raw) + tx = tx_from_hex(raw) assert_raises_rpc_error(-22, "TX decode failed", self.nodes[0].decoderawtransaction, hexstring=serialize_with_bogus_witness(tx).hex(), iswitness=True) with self.nodes[0].assert_debug_log(['Unknown transaction optional data']): self.test_node.send_and_ping(msg_bogus_tx(tx)) @@ -2148,8 +2044,7 @@ class SegWitTest(BitcoinTestFramework): # Create a Segwit output from the latest UTXO # and announce it to the network witness_program = CScript([OP_TRUE]) - witness_hash = sha256(witness_program) - script_pubkey = CScript([OP_0, witness_hash]) + script_pubkey = script_to_p2wsh_script(witness_program) tx = CTransaction() tx.vin.append(CTxIn(COutPoint(self.utxo[0].sha256, self.utxo[0].n), b"")) |