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141 lines
7.0 KiB
141 lines
7.0 KiB
#!/usr/bin/env python3 |
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# Copyright (c) 2016-2020 The Bitcoin Core developers |
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# Distributed under the MIT software license, see the accompanying |
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# file COPYING or http://www.opensource.org/licenses/mit-license.php. |
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"""Test NULLDUMMY softfork. |
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Connect to a single node. |
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Generate 2 blocks (save the coinbases for later). |
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Generate COINBASE_MATURITY (CB) more blocks to ensure the coinbases are mature. |
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[Policy/Consensus] Check that NULLDUMMY compliant transactions are accepted in block CB + 3. |
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[Policy] Check that non-NULLDUMMY transactions are rejected before activation. |
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[Consensus] Check that the new NULLDUMMY rules are not enforced on block CB + 4. |
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[Policy/Consensus] Check that the new NULLDUMMY rules are enforced on block CB + 5. |
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""" |
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import time |
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from test_framework.blocktools import ( |
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COINBASE_MATURITY, |
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NORMAL_GBT_REQUEST_PARAMS, |
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add_witness_commitment, |
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create_block, |
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create_transaction, |
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) |
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from test_framework.messages import CTransaction |
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from test_framework.script import CScript |
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from test_framework.test_framework import BitcoinTestFramework |
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from test_framework.util import assert_equal, assert_raises_rpc_error |
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NULLDUMMY_ERROR = "non-mandatory-script-verify-flag (Dummy CHECKMULTISIG argument must be zero)" |
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def trueDummy(tx): |
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scriptSig = CScript(tx.vin[0].scriptSig) |
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newscript = [] |
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for i in scriptSig: |
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if len(newscript) == 0: |
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assert len(i) == 0 |
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newscript.append(b'\x51') |
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else: |
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newscript.append(i) |
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tx.vin[0].scriptSig = CScript(newscript) |
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tx.rehash() |
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class NULLDUMMYTest(BitcoinTestFramework): |
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def set_test_params(self): |
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self.num_nodes = 1 |
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self.setup_clean_chain = True |
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# This script tests NULLDUMMY activation, which is part of the 'segwit' deployment, so we go through |
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# normal segwit activation here (and don't use the default always-on behaviour). |
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self.extra_args = [[ |
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f'-segwitheight={COINBASE_MATURITY + 5}', |
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'-addresstype=legacy', |
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]] |
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def skip_test_if_missing_module(self): |
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self.skip_if_no_wallet() |
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def run_test(self): |
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self.nodes[0].createwallet(wallet_name='wmulti', disable_private_keys=True) |
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wmulti = self.nodes[0].get_wallet_rpc('wmulti') |
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w0 = self.nodes[0].get_wallet_rpc(self.default_wallet_name) |
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self.address = w0.getnewaddress() |
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self.pubkey = w0.getaddressinfo(self.address)['pubkey'] |
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self.ms_address = wmulti.addmultisigaddress(1, [self.pubkey])['address'] |
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self.wit_address = w0.getnewaddress(address_type='p2sh-segwit') |
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self.wit_ms_address = wmulti.addmultisigaddress(1, [self.pubkey], '', 'p2sh-segwit')['address'] |
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if not self.options.descriptors: |
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# Legacy wallets need to import these so that they are watched by the wallet. This is unnecessary (and does not need to be tested) for descriptor wallets |
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wmulti.importaddress(self.ms_address) |
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wmulti.importaddress(self.wit_ms_address) |
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self.coinbase_blocks = self.nodes[0].generate(2) # block height = 2 |
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coinbase_txid = [] |
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for i in self.coinbase_blocks: |
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coinbase_txid.append(self.nodes[0].getblock(i)['tx'][0]) |
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self.nodes[0].generate(COINBASE_MATURITY) # block height = COINBASE_MATURITY + 2 |
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self.lastblockhash = self.nodes[0].getbestblockhash() |
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self.lastblockheight = COINBASE_MATURITY + 2 |
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self.lastblocktime = int(time.time()) + self.lastblockheight |
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self.log.info(f"Test 1: NULLDUMMY compliant base transactions should be accepted to mempool and mined before activation [{COINBASE_MATURITY + 3}]") |
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test1txs = [create_transaction(self.nodes[0], coinbase_txid[0], self.ms_address, amount=49)] |
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txid1 = self.nodes[0].sendrawtransaction(test1txs[0].serialize_with_witness().hex(), 0) |
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test1txs.append(create_transaction(self.nodes[0], txid1, self.ms_address, amount=48)) |
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txid2 = self.nodes[0].sendrawtransaction(test1txs[1].serialize_with_witness().hex(), 0) |
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test1txs.append(create_transaction(self.nodes[0], coinbase_txid[1], self.wit_ms_address, amount=49)) |
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txid3 = self.nodes[0].sendrawtransaction(test1txs[2].serialize_with_witness().hex(), 0) |
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self.block_submit(self.nodes[0], test1txs, False, True) |
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self.log.info("Test 2: Non-NULLDUMMY base multisig transaction should not be accepted to mempool before activation") |
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test2tx = create_transaction(self.nodes[0], txid2, self.ms_address, amount=47) |
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trueDummy(test2tx) |
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assert_raises_rpc_error(-26, NULLDUMMY_ERROR, self.nodes[0].sendrawtransaction, test2tx.serialize_with_witness().hex(), 0) |
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self.log.info(f"Test 3: Non-NULLDUMMY base transactions should be accepted in a block before activation [{COINBASE_MATURITY + 4}]") |
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self.block_submit(self.nodes[0], [test2tx], False, True) |
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self.log.info("Test 4: Non-NULLDUMMY base multisig transaction is invalid after activation") |
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test4tx = create_transaction(self.nodes[0], test2tx.hash, self.address, amount=46) |
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test6txs = [CTransaction(test4tx)] |
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trueDummy(test4tx) |
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assert_raises_rpc_error(-26, NULLDUMMY_ERROR, self.nodes[0].sendrawtransaction, test4tx.serialize_with_witness().hex(), 0) |
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self.block_submit(self.nodes[0], [test4tx]) |
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self.log.info("Test 5: Non-NULLDUMMY P2WSH multisig transaction invalid after activation") |
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test5tx = create_transaction(self.nodes[0], txid3, self.wit_address, amount=48) |
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test6txs.append(CTransaction(test5tx)) |
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test5tx.wit.vtxinwit[0].scriptWitness.stack[0] = b'\x01' |
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assert_raises_rpc_error(-26, NULLDUMMY_ERROR, self.nodes[0].sendrawtransaction, test5tx.serialize_with_witness().hex(), 0) |
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self.block_submit(self.nodes[0], [test5tx], True) |
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self.log.info(f"Test 6: NULLDUMMY compliant base/witness transactions should be accepted to mempool and in block after activation [{COINBASE_MATURITY + 5}]") |
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for i in test6txs: |
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self.nodes[0].sendrawtransaction(i.serialize_with_witness().hex(), 0) |
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self.block_submit(self.nodes[0], test6txs, True, True) |
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def block_submit(self, node, txs, witness=False, accept=False): |
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tmpl = node.getblocktemplate(NORMAL_GBT_REQUEST_PARAMS) |
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assert_equal(tmpl['previousblockhash'], self.lastblockhash) |
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assert_equal(tmpl['height'], self.lastblockheight + 1) |
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block = create_block(tmpl=tmpl, ntime=self.lastblocktime + 1) |
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for tx in txs: |
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tx.rehash() |
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block.vtx.append(tx) |
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block.hashMerkleRoot = block.calc_merkle_root() |
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witness and add_witness_commitment(block) |
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block.rehash() |
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block.solve() |
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assert_equal(None if accept else 'block-validation-failed', node.submitblock(block.serialize().hex())) |
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if (accept): |
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assert_equal(node.getbestblockhash(), block.hash) |
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self.lastblockhash = block.hash |
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self.lastblocktime += 1 |
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self.lastblockheight += 1 |
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else: |
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assert_equal(node.getbestblockhash(), self.lastblockhash) |
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if __name__ == '__main__': |
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NULLDUMMYTest().main()
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