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133 lines
6.5 KiB
133 lines
6.5 KiB
#!/usr/bin/env python3 |
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# Copyright (c) 2016-2017 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 427 more blocks. |
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[Policy/Consensus] Check that NULLDUMMY compliant transactions are accepted in the 430th block. |
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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 the 431st block. |
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[Policy/Consensus] Check that the new NULLDUMMY rules are enforced on the 432nd block. |
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""" |
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from test_framework.test_framework import BitcoinTestFramework |
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from test_framework.util import * |
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from test_framework.mininode import CTransaction, network_thread_start |
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from test_framework.blocktools import create_coinbase, create_block, add_witness_commitment |
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from test_framework.script import CScript |
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from io import BytesIO |
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import time |
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NULLDUMMY_ERROR = "64: 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 = [['-whitelist=127.0.0.1', '-walletprematurewitness', '-vbparams=segwit:0:999999999999']] |
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def run_test(self): |
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self.address = self.nodes[0].getnewaddress() |
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self.ms_address = self.nodes[0].addmultisigaddress(1,[self.address]) |
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self.wit_address = self.nodes[0].addwitnessaddress(self.address) |
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self.wit_ms_address = self.nodes[0].addwitnessaddress(self.ms_address) |
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network_thread_start() |
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self.coinbase_blocks = self.nodes[0].generate(2) # Block 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(427) # Block 429 |
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self.lastblockhash = self.nodes[0].getbestblockhash() |
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self.tip = int("0x" + self.lastblockhash, 0) |
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self.lastblockheight = 429 |
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self.lastblocktime = int(time.time()) + 429 |
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self.log.info("Test 1: NULLDUMMY compliant base transactions should be accepted to mempool and mined before activation [430]") |
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test1txs = [self.create_transaction(self.nodes[0], coinbase_txid[0], self.ms_address, 49)] |
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txid1 = self.nodes[0].sendrawtransaction(bytes_to_hex_str(test1txs[0].serialize_with_witness()), True) |
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test1txs.append(self.create_transaction(self.nodes[0], txid1, self.ms_address, 48)) |
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txid2 = self.nodes[0].sendrawtransaction(bytes_to_hex_str(test1txs[1].serialize_with_witness()), True) |
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test1txs.append(self.create_transaction(self.nodes[0], coinbase_txid[1], self.wit_ms_address, 49)) |
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txid3 = self.nodes[0].sendrawtransaction(bytes_to_hex_str(test1txs[2].serialize_with_witness()), True) |
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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 = self.create_transaction(self.nodes[0], txid2, self.ms_address, 47) |
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trueDummy(test2tx) |
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assert_raises_rpc_error(-26, NULLDUMMY_ERROR, self.nodes[0].sendrawtransaction, bytes_to_hex_str(test2tx.serialize_with_witness()), True) |
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self.log.info("Test 3: Non-NULLDUMMY base transactions should be accepted in a block before activation [431]") |
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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 = self.create_transaction(self.nodes[0], test2tx.hash, self.address, 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, bytes_to_hex_str(test4tx.serialize_with_witness()), True) |
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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 = self.create_transaction(self.nodes[0], txid3, self.wit_address, 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, bytes_to_hex_str(test5tx.serialize_with_witness()), True) |
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self.block_submit(self.nodes[0], [test5tx], True) |
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self.log.info("Test 6: NULLDUMMY compliant base/witness transactions should be accepted to mempool and in block after activation [432]") |
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for i in test6txs: |
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self.nodes[0].sendrawtransaction(bytes_to_hex_str(i.serialize_with_witness()), True) |
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self.block_submit(self.nodes[0], test6txs, True, True) |
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def create_transaction(self, node, txid, to_address, amount): |
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inputs = [{ "txid" : txid, "vout" : 0}] |
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outputs = { to_address : amount } |
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rawtx = node.createrawtransaction(inputs, outputs) |
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signresult = node.signrawtransaction(rawtx) |
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tx = CTransaction() |
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f = BytesIO(hex_str_to_bytes(signresult['hex'])) |
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tx.deserialize(f) |
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return tx |
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def block_submit(self, node, txs, witness = False, accept = False): |
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block = create_block(self.tip, create_coinbase(self.lastblockheight + 1), self.lastblocktime + 1) |
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block.nVersion = 4 |
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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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node.submitblock(bytes_to_hex_str(block.serialize(True))) |
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if (accept): |
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assert_equal(node.getbestblockhash(), block.hash) |
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self.tip = block.sha256 |
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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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