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-rwxr-xr-xtest/functional/feature_nulldummy.py133
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diff --git a/test/functional/feature_nulldummy.py b/test/functional/feature_nulldummy.py
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+#!/usr/bin/env python3
+# Copyright (c) 2016-2017 The Bitcoin Core developers
+# Distributed under the MIT software license, see the accompanying
+# file COPYING or http://www.opensource.org/licenses/mit-license.php.
+"""Test NULLDUMMY softfork.
+
+Connect to a single node.
+Generate 2 blocks (save the coinbases for later).
+Generate 427 more blocks.
+[Policy/Consensus] Check that NULLDUMMY compliant transactions are accepted in the 430th block.
+[Policy] Check that non-NULLDUMMY transactions are rejected before activation.
+[Consensus] Check that the new NULLDUMMY rules are not enforced on the 431st block.
+[Policy/Consensus] Check that the new NULLDUMMY rules are enforced on the 432nd block.
+"""
+
+from test_framework.test_framework import BitcoinTestFramework
+from test_framework.util import *
+from test_framework.mininode import CTransaction, network_thread_start
+from test_framework.blocktools import create_coinbase, create_block, add_witness_commitment
+from test_framework.script import CScript
+from io import BytesIO
+import time
+
+NULLDUMMY_ERROR = "64: non-mandatory-script-verify-flag (Dummy CHECKMULTISIG argument must be zero)"
+
+def trueDummy(tx):
+ scriptSig = CScript(tx.vin[0].scriptSig)
+ newscript = []
+ for i in scriptSig:
+ if (len(newscript) == 0):
+ assert(len(i) == 0)
+ newscript.append(b'\x51')
+ else:
+ newscript.append(i)
+ tx.vin[0].scriptSig = CScript(newscript)
+ tx.rehash()
+
+class NULLDUMMYTest(BitcoinTestFramework):
+
+ def set_test_params(self):
+ self.num_nodes = 1
+ self.setup_clean_chain = True
+ # This script tests NULLDUMMY activation, which is part of the 'segwit' deployment, so we go through
+ # normal segwit activation here (and don't use the default always-on behaviour).
+ self.extra_args = [['-whitelist=127.0.0.1', '-walletprematurewitness', '-vbparams=segwit:0:999999999999', '-addresstype=legacy', "-deprecatedrpc=addwitnessaddress"]]
+
+ def run_test(self):
+ self.address = self.nodes[0].getnewaddress()
+ self.ms_address = self.nodes[0].addmultisigaddress(1,[self.address])['address']
+ self.wit_address = self.nodes[0].addwitnessaddress(self.address)
+ self.wit_ms_address = self.nodes[0].addmultisigaddress(1, [self.address], '', 'p2sh-segwit')['address']
+
+ network_thread_start()
+ self.coinbase_blocks = self.nodes[0].generate(2) # Block 2
+ coinbase_txid = []
+ for i in self.coinbase_blocks:
+ coinbase_txid.append(self.nodes[0].getblock(i)['tx'][0])
+ self.nodes[0].generate(427) # Block 429
+ self.lastblockhash = self.nodes[0].getbestblockhash()
+ self.tip = int("0x" + self.lastblockhash, 0)
+ self.lastblockheight = 429
+ self.lastblocktime = int(time.time()) + 429
+
+ self.log.info("Test 1: NULLDUMMY compliant base transactions should be accepted to mempool and mined before activation [430]")
+ test1txs = [self.create_transaction(self.nodes[0], coinbase_txid[0], self.ms_address, 49)]
+ txid1 = self.nodes[0].sendrawtransaction(bytes_to_hex_str(test1txs[0].serialize_with_witness()), True)
+ test1txs.append(self.create_transaction(self.nodes[0], txid1, self.ms_address, 48))
+ txid2 = self.nodes[0].sendrawtransaction(bytes_to_hex_str(test1txs[1].serialize_with_witness()), True)
+ test1txs.append(self.create_transaction(self.nodes[0], coinbase_txid[1], self.wit_ms_address, 49))
+ txid3 = self.nodes[0].sendrawtransaction(bytes_to_hex_str(test1txs[2].serialize_with_witness()), True)
+ self.block_submit(self.nodes[0], test1txs, False, True)
+
+ self.log.info("Test 2: Non-NULLDUMMY base multisig transaction should not be accepted to mempool before activation")
+ test2tx = self.create_transaction(self.nodes[0], txid2, self.ms_address, 47)
+ trueDummy(test2tx)
+ assert_raises_rpc_error(-26, NULLDUMMY_ERROR, self.nodes[0].sendrawtransaction, bytes_to_hex_str(test2tx.serialize_with_witness()), True)
+
+ self.log.info("Test 3: Non-NULLDUMMY base transactions should be accepted in a block before activation [431]")
+ self.block_submit(self.nodes[0], [test2tx], False, True)
+
+ self.log.info("Test 4: Non-NULLDUMMY base multisig transaction is invalid after activation")
+ test4tx = self.create_transaction(self.nodes[0], test2tx.hash, self.address, 46)
+ test6txs=[CTransaction(test4tx)]
+ trueDummy(test4tx)
+ assert_raises_rpc_error(-26, NULLDUMMY_ERROR, self.nodes[0].sendrawtransaction, bytes_to_hex_str(test4tx.serialize_with_witness()), True)
+ self.block_submit(self.nodes[0], [test4tx])
+
+ self.log.info("Test 5: Non-NULLDUMMY P2WSH multisig transaction invalid after activation")
+ test5tx = self.create_transaction(self.nodes[0], txid3, self.wit_address, 48)
+ test6txs.append(CTransaction(test5tx))
+ test5tx.wit.vtxinwit[0].scriptWitness.stack[0] = b'\x01'
+ assert_raises_rpc_error(-26, NULLDUMMY_ERROR, self.nodes[0].sendrawtransaction, bytes_to_hex_str(test5tx.serialize_with_witness()), True)
+ self.block_submit(self.nodes[0], [test5tx], True)
+
+ self.log.info("Test 6: NULLDUMMY compliant base/witness transactions should be accepted to mempool and in block after activation [432]")
+ for i in test6txs:
+ self.nodes[0].sendrawtransaction(bytes_to_hex_str(i.serialize_with_witness()), True)
+ self.block_submit(self.nodes[0], test6txs, True, True)
+
+
+ def create_transaction(self, node, txid, to_address, amount):
+ inputs = [{ "txid" : txid, "vout" : 0}]
+ outputs = { to_address : amount }
+ rawtx = node.createrawtransaction(inputs, outputs)
+ signresult = node.signrawtransaction(rawtx)
+ tx = CTransaction()
+ f = BytesIO(hex_str_to_bytes(signresult['hex']))
+ tx.deserialize(f)
+ return tx
+
+
+ def block_submit(self, node, txs, witness = False, accept = False):
+ block = create_block(self.tip, create_coinbase(self.lastblockheight + 1), self.lastblocktime + 1)
+ block.nVersion = 4
+ for tx in txs:
+ tx.rehash()
+ block.vtx.append(tx)
+ block.hashMerkleRoot = block.calc_merkle_root()
+ witness and add_witness_commitment(block)
+ block.rehash()
+ block.solve()
+ node.submitblock(bytes_to_hex_str(block.serialize(True)))
+ if (accept):
+ assert_equal(node.getbestblockhash(), block.hash)
+ self.tip = block.sha256
+ self.lastblockhash = block.hash
+ self.lastblocktime += 1
+ self.lastblockheight += 1
+ else:
+ assert_equal(node.getbestblockhash(), self.lastblockhash)
+
+if __name__ == '__main__':
+ NULLDUMMYTest().main()