diff options
| -rwxr-xr-x | qa/rpc-tests/p2p-segwit.py | 70 |
1 files changed, 47 insertions, 23 deletions
diff --git a/qa/rpc-tests/p2p-segwit.py b/qa/rpc-tests/p2p-segwit.py index 6ecd84c3f0..d344a16a4b 100755 --- a/qa/rpc-tests/p2p-segwit.py +++ b/qa/rpc-tests/p2p-segwit.py @@ -195,11 +195,6 @@ class SegWitTest(BitcoinTestFramework): self.setup_clean_chain = True self.num_nodes = 3 - def add_options(self, parser): - parser.add_option("--oldbinary", dest="oldbinary", - default=None, - help="pre-segwit bitcoind binary for upgrade testing") - def setup_network(self): self.nodes = [] self.nodes.append(start_node(0, self.options.tmpdir, ["-debug", "-logtimemicros=1", "-whitelist=127.0.0.1"])) @@ -207,12 +202,9 @@ class SegWitTest(BitcoinTestFramework): self.nodes.append(start_node(1, self.options.tmpdir, ["-debug", "-logtimemicros=1", "-whitelist=127.0.0.1", "-acceptnonstdtxn=0"])) connect_nodes(self.nodes[0], 1) - # If an old bitcoind is given, do the upgrade-after-activation test. - self.test_upgrade = False - if (self.options.oldbinary != None): - self.nodes.append(start_node(2, self.options.tmpdir, ["-debug", "-whitelist=127.0.0.1"], binary=self.options.oldbinary)) - connect_nodes(self.nodes[0], 2) - self.test_upgrade = True + # Disable segwit's bip9 parameter to simulate upgrading after activation. + self.nodes.append(start_node(2, self.options.tmpdir, ["-debug", "-whitelist=127.0.0.1", "-bip9params=segwit:0:0"])) + connect_nodes(self.nodes[0], 2) ''' Helpers ''' # Build a block on top of node0's tip. @@ -1177,7 +1169,7 @@ class SegWitTest(BitcoinTestFramework): if segwit_activated: # tx and tx2 were both accepted. Don't bother trying to reclaim the # P2PKH output; just send tx's first output back to an anyone-can-spend. - sync_mempools(self.nodes) + sync_mempools([self.nodes[0], self.nodes[1]]) tx3.vin = [CTxIn(COutPoint(tx.sha256, 0), b"")] tx3.vout = [CTxOut(tx.vout[0].nValue-1000, CScript([OP_TRUE]))] tx3.wit.vtxinwit.append(CTxInWitness()) @@ -1706,19 +1698,53 @@ class SegWitTest(BitcoinTestFramework): def test_getblocktemplate_before_lockin(self): print("\tTesting getblocktemplate setting of segwit versionbit (before lockin)") - block_version = (self.nodes[0].getblocktemplate())['version'] - assert_equal(block_version & (1 << VB_WITNESS_BIT), 0) + # Node0 is segwit aware, node2 is not. + for node in [self.nodes[0], self.nodes[2]]: + gbt_results = node.getblocktemplate() + block_version = gbt_results['version'] + # If we're not indicating segwit support, we should not be signalling + # for segwit activation, nor should we get a witness commitment. + assert_equal(block_version & (1 << VB_WITNESS_BIT), 0) + assert('default_witness_commitment' not in gbt_results) # Workaround: # Can either change the tip, or change the mempool and wait 5 seconds # to trigger a recomputation of getblocktemplate. - self.nodes[0].sendtoaddress(self.nodes[0].getnewaddress(), 1) + txid = int(self.nodes[0].sendtoaddress(self.nodes[0].getnewaddress(), 1), 16) # Using mocktime lets us avoid sleep() + sync_mempools(self.nodes) self.nodes[0].setmocktime(int(time.time())+10) - - block_version = self.nodes[0].getblocktemplate({"rules" : ["segwit"]})['version'] - assert(block_version & (1 << VB_WITNESS_BIT) != 0) - self.nodes[0].setmocktime(0) # undo mocktime + self.nodes[2].setmocktime(int(time.time())+10) + + for node in [self.nodes[0], self.nodes[2]]: + gbt_results = node.getblocktemplate({"rules" : ["segwit"]}) + block_version = gbt_results['version'] + if node == self.nodes[2]: + # If this is a non-segwit node, we should still not get a witness + # commitment, nor a version bit signalling segwit. + assert_equal(block_version & (1 << VB_WITNESS_BIT), 0) + assert('default_witness_commitment' not in gbt_results) + else: + # For segwit-aware nodes, check the version bit and the witness + # commitment are correct. + assert(block_version & (1 << VB_WITNESS_BIT) != 0) + assert('default_witness_commitment' in gbt_results) + witness_commitment = gbt_results['default_witness_commitment'] + + # TODO: this duplicates some code from blocktools.py, would be nice + # to refactor. + # Check that default_witness_commitment is present. + block = CBlock() + witness_root = block.get_merkle_root([ser_uint256(0), ser_uint256(txid)]) + check_commitment = uint256_from_str(hash256(ser_uint256(witness_root)+ser_uint256(0))) + from test_framework.blocktools import WITNESS_COMMITMENT_HEADER + output_data = WITNESS_COMMITMENT_HEADER + ser_uint256(check_commitment) + script = CScript([OP_RETURN, output_data]) + assert_equal(witness_commitment, bytes_to_hex_str(script)) + + # undo mocktime + self.nodes[0].setmocktime(0) + self.nodes[2].setmocktime(0) # Uncompressed pubkeys are no longer supported in default relay policy, # but (for now) are still valid in blocks. @@ -1958,6 +1984,7 @@ class SegWitTest(BitcoinTestFramework): # Advance to segwit being 'started' self.advance_to_segwit_started() + sync_blocks(self.nodes) self.test_getblocktemplate_before_lockin() sync_blocks(self.nodes) @@ -2000,10 +2027,7 @@ class SegWitTest(BitcoinTestFramework): self.test_signature_version_1() self.test_non_standard_witness() sync_blocks(self.nodes) - if self.test_upgrade: - self.test_upgrade_after_activation(self.nodes[2], 2) - else: - print("\tSkipping upgrade-after-activation test (use --oldbinary to enable)") + self.test_upgrade_after_activation(self.nodes[2], 2) self.test_witness_sigops() |