diff options
Diffstat (limited to 'test/functional/feature_dersig.py')
| -rwxr-xr-x | test/functional/feature_dersig.py | 89 |
1 files changed, 36 insertions, 53 deletions
diff --git a/test/functional/feature_dersig.py b/test/functional/feature_dersig.py index 02dcc3e55d..16272877e7 100755 --- a/test/functional/feature_dersig.py +++ b/test/functional/feature_dersig.py @@ -1,5 +1,5 @@ #!/usr/bin/env python3 -# Copyright (c) 2015-2017 The Bitcoin Core developers +# Copyright (c) 2015-2018 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 BIP66 (DER SIG). @@ -7,12 +7,16 @@ Test that the DERSIG soft-fork activates at (regtest) height 1251. """ -from test_framework.test_framework import BitcoinTestFramework -from test_framework.util import * -from test_framework.mininode import * -from test_framework.blocktools import create_coinbase, create_block +from test_framework.blocktools import create_coinbase, create_block, create_transaction +from test_framework.messages import msg_block +from test_framework.mininode import mininode_lock, P2PInterface from test_framework.script import CScript -from io import BytesIO +from test_framework.test_framework import BitcoinTestFramework +from test_framework.util import ( + assert_equal, + bytes_to_hex_str, + wait_until, +) DERSIG_HEIGHT = 1251 @@ -37,38 +41,28 @@ def unDERify(tx): newscript.append(i) tx.vin[0].scriptSig = CScript(newscript) -def create_transaction(node, coinbase, to_address, amount): - from_txid = node.getblock(coinbase)['tx'][0] - inputs = [{ "txid" : from_txid, "vout" : 0}] - outputs = { to_address : amount } - rawtx = node.createrawtransaction(inputs, outputs) - signresult = node.signrawtransactionwithwallet(rawtx) - tx = CTransaction() - tx.deserialize(BytesIO(hex_str_to_bytes(signresult['hex']))) - return tx + class BIP66Test(BitcoinTestFramework): def set_test_params(self): self.num_nodes = 1 - self.extra_args = [['-promiscuousmempoolflags=1', '-whitelist=127.0.0.1']] + self.extra_args = [['-whitelist=127.0.0.1', '-par=1', '-enablebip61']] # Use only one script thread to get the exact reject reason for testing self.setup_clean_chain = True + def skip_test_if_missing_module(self): + self.skip_if_no_wallet() + def run_test(self): self.nodes[0].add_p2p_connection(P2PInterface()) - network_thread_start() - - # wait_for_verack ensures that the P2P connection is fully up. - self.nodes[0].p2p.wait_for_verack() - self.log.info("Mining %d blocks", DERSIG_HEIGHT - 2) - self.coinbase_blocks = self.nodes[0].generate(DERSIG_HEIGHT - 2) + self.coinbase_txids = [self.nodes[0].getblock(b)['tx'][0] for b in self.nodes[0].generate(DERSIG_HEIGHT - 2)] self.nodeaddress = self.nodes[0].getnewaddress() self.log.info("Test that a transaction with non-DER signature can still appear in a block") - spendtx = create_transaction(self.nodes[0], self.coinbase_blocks[0], - self.nodeaddress, 1.0) + spendtx = create_transaction(self.nodes[0], self.coinbase_txids[0], + self.nodeaddress, amount=1.0) unDERify(spendtx) spendtx.rehash() @@ -91,57 +85,46 @@ class BIP66Test(BitcoinTestFramework): block.nVersion = 2 block.rehash() block.solve() - self.nodes[0].p2p.send_and_ping(msg_block(block)) - assert_equal(int(self.nodes[0].getbestblockhash(), 16), tip) - wait_until(lambda: "reject" in self.nodes[0].p2p.last_message.keys(), lock=mininode_lock) - with mininode_lock: - assert_equal(self.nodes[0].p2p.last_message["reject"].code, REJECT_OBSOLETE) - assert_equal(self.nodes[0].p2p.last_message["reject"].reason, b'bad-version(0x00000002)') - assert_equal(self.nodes[0].p2p.last_message["reject"].data, block.sha256) - del self.nodes[0].p2p.last_message["reject"] + with self.nodes[0].assert_debug_log(expected_msgs=['{}, bad-version(0x00000002)'.format(block.hash)]): + self.nodes[0].p2p.send_and_ping(msg_block(block)) + assert_equal(int(self.nodes[0].getbestblockhash(), 16), tip) + self.nodes[0].p2p.sync_with_ping() self.log.info("Test that transactions with non-DER signatures cannot appear in a block") block.nVersion = 3 - spendtx = create_transaction(self.nodes[0], self.coinbase_blocks[1], - self.nodeaddress, 1.0) + spendtx = create_transaction(self.nodes[0], self.coinbase_txids[1], + self.nodeaddress, amount=1.0) unDERify(spendtx) spendtx.rehash() # First we show that this tx is valid except for DERSIG by getting it - # accepted to the mempool (which we can achieve with - # -promiscuousmempoolflags). - self.nodes[0].p2p.send_and_ping(msg_tx(spendtx)) - assert spendtx.hash in self.nodes[0].getrawmempool() + # rejected from the mempool for exactly that reason. + assert_equal( + [{'txid': spendtx.hash, 'allowed': False, 'reject-reason': '64: non-mandatory-script-verify-flag (Non-canonical DER signature)'}], + self.nodes[0].testmempoolaccept(rawtxs=[bytes_to_hex_str(spendtx.serialize())], allowhighfees=True) + ) - # Now we verify that a block with this transaction is invalid. + # Now we verify that a block with this transaction is also invalid. block.vtx.append(spendtx) block.hashMerkleRoot = block.calc_merkle_root() block.rehash() block.solve() - self.nodes[0].p2p.send_and_ping(msg_block(block)) - assert_equal(int(self.nodes[0].getbestblockhash(), 16), tip) + with self.nodes[0].assert_debug_log(expected_msgs=['CheckInputs on {} failed with non-mandatory-script-verify-flag (Non-canonical DER signature)'.format(block.vtx[-1].hash)]): + self.nodes[0].p2p.send_and_ping(msg_block(block)) + assert_equal(int(self.nodes[0].getbestblockhash(), 16), tip) + self.nodes[0].p2p.sync_with_ping() wait_until(lambda: "reject" in self.nodes[0].p2p.last_message.keys(), lock=mininode_lock) with mininode_lock: - # We can receive different reject messages depending on whether - # bitcoind is running with multiple script check threads. If script - # check threads are not in use, then transaction script validation - # happens sequentially, and bitcoind produces more specific reject - # reasons. assert self.nodes[0].p2p.last_message["reject"].code in [REJECT_INVALID, REJECT_NONSTANDARD] assert_equal(self.nodes[0].p2p.last_message["reject"].data, block.sha256) - if self.nodes[0].p2p.last_message["reject"].code == REJECT_INVALID: - # Generic rejection when a block is invalid - assert_equal(self.nodes[0].p2p.last_message["reject"].reason, b'block-validation-failed') - else: - assert b'Non-canonical DER signature' in self.nodes[0].p2p.last_message["reject"].reason + assert b'Non-canonical DER signature' in self.nodes[0].p2p.last_message["reject"].reason self.log.info("Test that a version 3 block with a DERSIG-compliant transaction is accepted") - block.vtx[1] = create_transaction(self.nodes[0], - self.coinbase_blocks[1], self.nodeaddress, 1.0) + block.vtx[1] = create_transaction(self.nodes[0], self.coinbase_txids[1], self.nodeaddress, amount=1.0) block.hashMerkleRoot = block.calc_merkle_root() block.rehash() block.solve() |