[qa] Update p2p-compactblocks.py for compactblocks v2
This commit is contained in:
Suhas Daftuar
Pieter Wuille
parent
422fac649f
commit
27acfc1d2e
1 changed files with 389 additions and 194 deletions
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@ -12,14 +12,16 @@ from test_framework.script import CScript, OP_TRUE
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'''
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CompactBlocksTest -- test compact blocks (BIP 152)
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'''
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Version 1 compact blocks are pre-segwit (txids)
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Version 2 compact blocks are post-segwit (wtxids)
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'''
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# TestNode: A peer we use to send messages to bitcoind, and store responses.
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class TestNode(SingleNodeConnCB):
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def __init__(self):
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SingleNodeConnCB.__init__(self)
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self.last_sendcmpct = None
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self.last_sendcmpct = []
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self.last_headers = None
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self.last_inv = None
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self.last_cmpctblock = None
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@ -30,7 +32,7 @@ class TestNode(SingleNodeConnCB):
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self.last_blocktxn = None
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def on_sendcmpct(self, conn, message):
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self.last_sendcmpct = message
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self.last_sendcmpct.append(message)
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def on_block(self, conn, message):
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self.last_block = message
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@ -90,29 +92,31 @@ class CompactBlocksTest(BitcoinTestFramework):
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def __init__(self):
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super().__init__()
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self.setup_clean_chain = True
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self.num_nodes = 1
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# Node0 = pre-segwit, node1 = segwit-aware
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self.num_nodes = 2
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self.utxos = []
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def setup_network(self):
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self.nodes = []
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# Turn off segwit in this test, as compact blocks don't currently work
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# with segwit. (After BIP 152 is updated to support segwit, we can
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# test behavior with and without segwit enabled by adding a second node
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# to the test.)
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self.nodes = start_nodes(self.num_nodes, self.options.tmpdir, [["-debug", "-logtimemicros=1", "-bip9params=segwit:0:0"]])
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# Start up node0 to be a version 1, pre-segwit node.
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self.nodes = start_nodes(self.num_nodes, self.options.tmpdir,
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[["-debug", "-logtimemicros=1", "-bip9params=segwit:0:0"],
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["-debug", "-logtimemicros", "-txindex"]])
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connect_nodes(self.nodes[0], 1)
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def build_block_on_tip(self):
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height = self.nodes[0].getblockcount()
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tip = self.nodes[0].getbestblockhash()
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mtp = self.nodes[0].getblockheader(tip)['mediantime']
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def build_block_on_tip(self, node):
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height = node.getblockcount()
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tip = node.getbestblockhash()
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mtp = node.getblockheader(tip)['mediantime']
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block = create_block(int(tip, 16), create_coinbase(height + 1), mtp + 1)
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block.solve()
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return block
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# Create 10 more anyone-can-spend utxo's for testing.
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def make_utxos(self):
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block = self.build_block_on_tip()
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# Doesn't matter which node we use, just use node0.
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block = self.build_block_on_tip(self.nodes[0])
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self.test_node.send_and_ping(msg_block(block))
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assert(int(self.nodes[0].getbestblockhash(), 16) == block.sha256)
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self.nodes[0].generate(100)
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@ -125,7 +129,7 @@ class CompactBlocksTest(BitcoinTestFramework):
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tx.vout.append(CTxOut(out_value, CScript([OP_TRUE])))
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tx.rehash()
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block2 = self.build_block_on_tip()
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block2 = self.build_block_on_tip(self.nodes[0])
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block2.vtx.append(tx)
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block2.hashMerkleRoot = block2.calc_merkle_root()
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block2.solve()
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@ -134,26 +138,30 @@ class CompactBlocksTest(BitcoinTestFramework):
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self.utxos.extend([[tx.sha256, i, out_value] for i in range(10)])
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return
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# Test "sendcmpct":
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# - No compact block announcements or getdata(MSG_CMPCT_BLOCK) unless
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# sendcmpct is sent.
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# - If sendcmpct is sent with version > 1, the message is ignored.
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# Test "sendcmpct" (between peers preferring the same version):
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# - No compact block announcements unless sendcmpct is sent.
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# - If sendcmpct is sent with version > preferred_version, the message is ignored.
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# - If sendcmpct is sent with boolean 0, then block announcements are not
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# made with compact blocks.
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# - If sendcmpct is then sent with boolean 1, then new block announcements
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# are made with compact blocks.
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def test_sendcmpct(self):
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print("Testing SENDCMPCT p2p message... ")
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# Make sure we get a version 0 SENDCMPCT message from our peer
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# If old_node is passed in, request compact blocks with version=preferred-1
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# and verify that it receives block announcements via compact block.
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def test_sendcmpct(self, node, test_node, preferred_version, old_node=None):
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# Make sure we get a SENDCMPCT message from our peer
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def received_sendcmpct():
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return (self.test_node.last_sendcmpct is not None)
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return (len(test_node.last_sendcmpct) > 0)
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got_message = wait_until(received_sendcmpct, timeout=30)
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assert(received_sendcmpct())
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assert(got_message)
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assert_equal(self.test_node.last_sendcmpct.version, 1)
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with mininode_lock:
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# Check that the first version received is the preferred one
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assert_equal(test_node.last_sendcmpct[0].version, preferred_version)
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# And that we receive versions down to 1.
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assert_equal(test_node.last_sendcmpct[-1].version, 1)
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test_node.last_sendcmpct = []
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tip = int(self.nodes[0].getbestblockhash(), 16)
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tip = int(node.getbestblockhash(), 16)
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def check_announcement_of_new_block(node, peer, predicate):
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peer.clear_block_announcement()
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@ -165,56 +173,75 @@ class CompactBlocksTest(BitcoinTestFramework):
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assert(predicate(peer))
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# We shouldn't get any block announcements via cmpctblock yet.
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check_announcement_of_new_block(self.nodes[0], self.test_node, lambda p: p.last_cmpctblock is None)
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check_announcement_of_new_block(node, test_node, lambda p: p.last_cmpctblock is None)
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# Try one more time, this time after requesting headers.
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self.test_node.request_headers_and_sync(locator=[tip])
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check_announcement_of_new_block(self.nodes[0], self.test_node, lambda p: p.last_cmpctblock is None and p.last_inv is not None)
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test_node.request_headers_and_sync(locator=[tip])
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check_announcement_of_new_block(node, test_node, lambda p: p.last_cmpctblock is None and p.last_inv is not None)
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# Test a few ways of using sendcmpct that should NOT
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# result in compact block announcements.
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# Before each test, sync the headers chain.
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self.test_node.request_headers_and_sync(locator=[tip])
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test_node.request_headers_and_sync(locator=[tip])
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# Now try a SENDCMPCT message with too-high version
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sendcmpct = msg_sendcmpct()
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sendcmpct.version = 2
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self.test_node.send_and_ping(sendcmpct)
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check_announcement_of_new_block(self.nodes[0], self.test_node, lambda p: p.last_cmpctblock is None)
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sendcmpct.version = preferred_version+1
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sendcmpct.announce = True
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test_node.send_and_ping(sendcmpct)
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check_announcement_of_new_block(node, test_node, lambda p: p.last_cmpctblock is None)
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# Headers sync before next test.
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self.test_node.request_headers_and_sync(locator=[tip])
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test_node.request_headers_and_sync(locator=[tip])
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# Now try a SENDCMPCT message with valid version, but announce=False
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self.test_node.send_and_ping(msg_sendcmpct())
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check_announcement_of_new_block(self.nodes[0], self.test_node, lambda p: p.last_cmpctblock is None)
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sendcmpct.version = preferred_version
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sendcmpct.announce = False
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test_node.send_and_ping(sendcmpct)
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check_announcement_of_new_block(node, test_node, lambda p: p.last_cmpctblock is None)
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# Headers sync before next test.
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self.test_node.request_headers_and_sync(locator=[tip])
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test_node.request_headers_and_sync(locator=[tip])
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# Finally, try a SENDCMPCT message with announce=True
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sendcmpct.version = 1
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sendcmpct.version = preferred_version
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sendcmpct.announce = True
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self.test_node.send_and_ping(sendcmpct)
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check_announcement_of_new_block(self.nodes[0], self.test_node, lambda p: p.last_cmpctblock is not None)
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test_node.send_and_ping(sendcmpct)
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check_announcement_of_new_block(node, test_node, lambda p: p.last_cmpctblock is not None)
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# Try one more time (no headers sync should be needed!)
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check_announcement_of_new_block(self.nodes[0], self.test_node, lambda p: p.last_cmpctblock is not None)
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check_announcement_of_new_block(node, test_node, lambda p: p.last_cmpctblock is not None)
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# Try one more time, after turning on sendheaders
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self.test_node.send_and_ping(msg_sendheaders())
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check_announcement_of_new_block(self.nodes[0], self.test_node, lambda p: p.last_cmpctblock is not None)
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test_node.send_and_ping(msg_sendheaders())
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check_announcement_of_new_block(node, test_node, lambda p: p.last_cmpctblock is not None)
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# Try one more time, after sending a version-1, announce=false message.
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sendcmpct.version = preferred_version-1
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sendcmpct.announce = False
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test_node.send_and_ping(sendcmpct)
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check_announcement_of_new_block(node, test_node, lambda p: p.last_cmpctblock is not None)
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# Now turn off announcements
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sendcmpct.version = preferred_version
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sendcmpct.announce = False
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self.test_node.send_and_ping(sendcmpct)
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check_announcement_of_new_block(self.nodes[0], self.test_node, lambda p: p.last_cmpctblock is None and p.last_headers is not None)
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test_node.send_and_ping(sendcmpct)
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check_announcement_of_new_block(node, test_node, lambda p: p.last_cmpctblock is None and p.last_headers is not None)
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if old_node is not None:
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# Verify that a peer using an older protocol version can receive
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# announcements from this node.
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sendcmpct.version = preferred_version-1
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sendcmpct.announce = True
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old_node.send_and_ping(sendcmpct)
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# Header sync
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old_node.request_headers_and_sync(locator=[tip])
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check_announcement_of_new_block(node, old_node, lambda p: p.last_cmpctblock is not None)
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# This test actually causes bitcoind to (reasonably!) disconnect us, so do this last.
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def test_invalid_cmpctblock_message(self):
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print("Testing invalid index in cmpctblock message...")
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self.nodes[0].generate(101)
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block = self.build_block_on_tip()
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block = self.build_block_on_tip(self.nodes[0])
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cmpct_block = P2PHeaderAndShortIDs()
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cmpct_block.header = CBlockHeader(block)
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@ -227,45 +254,61 @@ class CompactBlocksTest(BitcoinTestFramework):
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# Compare the generated shortids to what we expect based on BIP 152, given
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# bitcoind's choice of nonce.
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def test_compactblock_construction(self):
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print("Testing compactblock headers and shortIDs are correct...")
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def test_compactblock_construction(self, node, test_node, version, use_witness_address):
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# Generate a bunch of transactions.
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self.nodes[0].generate(101)
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node.generate(101)
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num_transactions = 25
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address = self.nodes[0].getnewaddress()
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address = node.getnewaddress()
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if use_witness_address:
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# Want at least one segwit spend, so move all funds to
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# a witness address.
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address = node.addwitnessaddress(address)
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value_to_send = node.getbalance()
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node.sendtoaddress(address, satoshi_round(value_to_send-Decimal(0.1)))
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node.generate(1)
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segwit_tx_generated = False
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for i in range(num_transactions):
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self.nodes[0].sendtoaddress(address, 0.1)
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txid = node.sendtoaddress(address, 0.1)
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hex_tx = node.gettransaction(txid)["hex"]
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tx = FromHex(CTransaction(), hex_tx)
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if not tx.wit.is_null():
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segwit_tx_generated = True
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if use_witness_address:
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assert(segwit_tx_generated) # check that our test is not broken
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self.test_node.sync_with_ping()
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# Now mine a block, and look at the resulting compact block.
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self.test_node.clear_block_announcement()
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block_hash = int(self.nodes[0].generate(1)[0], 16)
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test_node.clear_block_announcement()
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block_hash = int(node.generate(1)[0], 16)
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# Store the raw block in our internal format.
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block = FromHex(CBlock(), self.nodes[0].getblock("%02x" % block_hash, False))
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block = FromHex(CBlock(), node.getblock("%02x" % block_hash, False))
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[tx.calc_sha256() for tx in block.vtx]
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block.rehash()
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# Don't care which type of announcement came back for this test; just
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# request the compact block if we didn't get one yet.
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wait_until(self.test_node.received_block_announcement, timeout=30)
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wait_until(test_node.received_block_announcement, timeout=30)
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assert(test_node.received_block_announcement())
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with mininode_lock:
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if self.test_node.last_cmpctblock is None:
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self.test_node.clear_block_announcement()
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if test_node.last_cmpctblock is None:
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test_node.clear_block_announcement()
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inv = CInv(4, block_hash) # 4 == "CompactBlock"
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self.test_node.send_message(msg_getdata([inv]))
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test_node.send_message(msg_getdata([inv]))
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wait_until(self.test_node.received_block_announcement, timeout=30)
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wait_until(test_node.received_block_announcement, timeout=30)
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assert(test_node.received_block_announcement())
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# Now we should have the compactblock
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header_and_shortids = None
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with mininode_lock:
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assert(self.test_node.last_cmpctblock is not None)
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assert(test_node.last_cmpctblock is not None)
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# Convert the on-the-wire representation to absolute indexes
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header_and_shortids = HeaderAndShortIDs(self.test_node.last_cmpctblock.header_and_shortids)
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header_and_shortids = HeaderAndShortIDs(test_node.last_cmpctblock.header_and_shortids)
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# Check that we got the right block!
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header_and_shortids.header.calc_sha256()
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@ -278,8 +321,17 @@ class CompactBlocksTest(BitcoinTestFramework):
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# Check that all prefilled_txn entries match what's in the block.
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for entry in header_and_shortids.prefilled_txn:
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entry.tx.calc_sha256()
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# This checks the non-witness parts of the tx agree
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assert_equal(entry.tx.sha256, block.vtx[entry.index].sha256)
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# And this checks the witness
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wtxid = entry.tx.calc_sha256(True)
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if version == 2:
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assert_equal(wtxid, block.vtx[entry.index].calc_sha256(True))
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else:
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# Shouldn't have received a witness
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assert(entry.tx.wit.is_null())
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# Check that the cmpctblock message announced all the transactions.
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assert_equal(len(header_and_shortids.prefilled_txn) + len(header_and_shortids.shortids), len(block.vtx))
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@ -294,7 +346,10 @@ class CompactBlocksTest(BitcoinTestFramework):
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# Already checked prefilled transactions above
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header_and_shortids.prefilled_txn.pop(0)
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else:
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shortid = calculate_shortid(k0, k1, block.vtx[index].sha256)
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tx_hash = block.vtx[index].sha256
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if version == 2:
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tx_hash = block.vtx[index].calc_sha256(True)
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shortid = calculate_shortid(k0, k1, tx_hash)
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assert_equal(shortid, header_and_shortids.shortids[0])
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header_and_shortids.shortids.pop(0)
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index += 1
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@ -302,49 +357,50 @@ class CompactBlocksTest(BitcoinTestFramework):
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# Test that bitcoind requests compact blocks when we announce new blocks
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# via header or inv, and that responding to getblocktxn causes the block
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# to be successfully reconstructed.
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def test_compactblock_requests(self):
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print("Testing compactblock requests... ")
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# Post-segwit: upgraded nodes would only make this request of cb-version-2,
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# NODE_WITNESS peers. Unupgraded nodes would still make this request of
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# any cb-version-1-supporting peer.
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def test_compactblock_requests(self, node, test_node):
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# Try announcing a block with an inv or header, expect a compactblock
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# request
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for announce in ["inv", "header"]:
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block = self.build_block_on_tip()
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block = self.build_block_on_tip(node)
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with mininode_lock:
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self.test_node.last_getdata = None
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test_node.last_getdata = None
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if announce == "inv":
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self.test_node.send_message(msg_inv([CInv(2, block.sha256)]))
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test_node.send_message(msg_inv([CInv(2, block.sha256)]))
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else:
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self.test_node.send_header_for_blocks([block])
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success = wait_until(lambda: self.test_node.last_getdata is not None, timeout=30)
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test_node.send_header_for_blocks([block])
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success = wait_until(lambda: test_node.last_getdata is not None, timeout=30)
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assert(success)
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assert_equal(len(self.test_node.last_getdata.inv), 1)
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assert_equal(self.test_node.last_getdata.inv[0].type, 4)
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assert_equal(self.test_node.last_getdata.inv[0].hash, block.sha256)
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assert_equal(len(test_node.last_getdata.inv), 1)
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assert_equal(test_node.last_getdata.inv[0].type, 4)
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assert_equal(test_node.last_getdata.inv[0].hash, block.sha256)
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# Send back a compactblock message that omits the coinbase
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comp_block = HeaderAndShortIDs()
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comp_block.header = CBlockHeader(block)
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comp_block.nonce = 0
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comp_block.shortids = [1] # this is useless, and wrong
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self.test_node.send_and_ping(msg_cmpctblock(comp_block.to_p2p()))
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assert_equal(int(self.nodes[0].getbestblockhash(), 16), block.hashPrevBlock)
|
||||
test_node.send_and_ping(msg_cmpctblock(comp_block.to_p2p()))
|
||||
assert_equal(int(node.getbestblockhash(), 16), block.hashPrevBlock)
|
||||
# Expect a getblocktxn message.
|
||||
with mininode_lock:
|
||||
assert(self.test_node.last_getblocktxn is not None)
|
||||
absolute_indexes = self.test_node.last_getblocktxn.block_txn_request.to_absolute()
|
||||
assert(test_node.last_getblocktxn is not None)
|
||||
absolute_indexes = test_node.last_getblocktxn.block_txn_request.to_absolute()
|
||||
assert_equal(absolute_indexes, [0]) # should be a coinbase request
|
||||
|
||||
# Send the coinbase, and verify that the tip advances.
|
||||
msg = msg_blocktxn()
|
||||
msg.block_transactions.blockhash = block.sha256
|
||||
msg.block_transactions.transactions = [block.vtx[0]]
|
||||
self.test_node.send_and_ping(msg)
|
||||
assert_equal(int(self.nodes[0].getbestblockhash(), 16), block.sha256)
|
||||
test_node.send_and_ping(msg)
|
||||
assert_equal(int(node.getbestblockhash(), 16), block.sha256)
|
||||
|
||||
# Create a chain of transactions from given utxo, and add to a new block.
|
||||
def build_block_with_transactions(self, utxo, num_transactions):
|
||||
block = self.build_block_on_tip()
|
||||
def build_block_with_transactions(self, node, utxo, num_transactions):
|
||||
block = self.build_block_on_tip(node)
|
||||
|
||||
for i in range(num_transactions):
|
||||
tx = CTransaction()
|
||||
|
|
@ -361,118 +417,113 @@ class CompactBlocksTest(BitcoinTestFramework):
|
|||
# Test that we only receive getblocktxn requests for transactions that the
|
||||
# node needs, and that responding to them causes the block to be
|
||||
# reconstructed.
|
||||
def test_getblocktxn_requests(self):
|
||||
print("Testing getblocktxn requests...")
|
||||
def test_getblocktxn_requests(self, node, test_node, version):
|
||||
with_witness = (version==2)
|
||||
|
||||
def test_getblocktxn_response(compact_block, peer, expected_result):
|
||||
msg = msg_cmpctblock(compact_block.to_p2p())
|
||||
peer.send_and_ping(msg)
|
||||
with mininode_lock:
|
||||
assert(peer.last_getblocktxn is not None)
|
||||
absolute_indexes = peer.last_getblocktxn.block_txn_request.to_absolute()
|
||||
assert_equal(absolute_indexes, expected_result)
|
||||
|
||||
def test_tip_after_message(node, peer, msg, tip):
|
||||
peer.send_and_ping(msg)
|
||||
assert_equal(int(node.getbestblockhash(), 16), tip)
|
||||
|
||||
# First try announcing compactblocks that won't reconstruct, and verify
|
||||
# that we receive getblocktxn messages back.
|
||||
utxo = self.utxos.pop(0)
|
||||
|
||||
block = self.build_block_with_transactions(utxo, 5)
|
||||
block = self.build_block_with_transactions(node, utxo, 5)
|
||||
self.utxos.append([block.vtx[-1].sha256, 0, block.vtx[-1].vout[0].nValue])
|
||||
|
||||
comp_block = HeaderAndShortIDs()
|
||||
comp_block.initialize_from_block(block)
|
||||
comp_block.initialize_from_block(block, use_witness=with_witness)
|
||||
|
||||
self.test_node.send_and_ping(msg_cmpctblock(comp_block.to_p2p()))
|
||||
with mininode_lock:
|
||||
assert(self.test_node.last_getblocktxn is not None)
|
||||
absolute_indexes = self.test_node.last_getblocktxn.block_txn_request.to_absolute()
|
||||
assert_equal(absolute_indexes, [1, 2, 3, 4, 5])
|
||||
msg = msg_blocktxn()
|
||||
msg.block_transactions = BlockTransactions(block.sha256, block.vtx[1:])
|
||||
self.test_node.send_and_ping(msg)
|
||||
assert_equal(int(self.nodes[0].getbestblockhash(), 16), block.sha256)
|
||||
test_getblocktxn_response(comp_block, test_node, [1, 2, 3, 4, 5])
|
||||
|
||||
msg_bt = msg_blocktxn()
|
||||
if with_witness:
|
||||
msg_bt = msg_witness_blocktxn() # serialize with witnesses
|
||||
msg_bt.block_transactions = BlockTransactions(block.sha256, block.vtx[1:])
|
||||
test_tip_after_message(node, test_node, msg_bt, block.sha256)
|
||||
|
||||
utxo = self.utxos.pop(0)
|
||||
block = self.build_block_with_transactions(utxo, 5)
|
||||
block = self.build_block_with_transactions(node, utxo, 5)
|
||||
self.utxos.append([block.vtx[-1].sha256, 0, block.vtx[-1].vout[0].nValue])
|
||||
|
||||
# Now try interspersing the prefilled transactions
|
||||
comp_block.initialize_from_block(block, prefill_list=[0, 1, 5])
|
||||
self.test_node.send_and_ping(msg_cmpctblock(comp_block.to_p2p()))
|
||||
with mininode_lock:
|
||||
assert(self.test_node.last_getblocktxn is not None)
|
||||
absolute_indexes = self.test_node.last_getblocktxn.block_txn_request.to_absolute()
|
||||
assert_equal(absolute_indexes, [2, 3, 4])
|
||||
msg.block_transactions = BlockTransactions(block.sha256, block.vtx[2:5])
|
||||
self.test_node.send_and_ping(msg)
|
||||
assert_equal(int(self.nodes[0].getbestblockhash(), 16), block.sha256)
|
||||
comp_block.initialize_from_block(block, prefill_list=[0, 1, 5], use_witness=with_witness)
|
||||
test_getblocktxn_response(comp_block, test_node, [2, 3, 4])
|
||||
msg_bt.block_transactions = BlockTransactions(block.sha256, block.vtx[2:5])
|
||||
test_tip_after_message(node, test_node, msg_bt, block.sha256)
|
||||
|
||||
# Now try giving one transaction ahead of time.
|
||||
utxo = self.utxos.pop(0)
|
||||
block = self.build_block_with_transactions(utxo, 5)
|
||||
block = self.build_block_with_transactions(node, utxo, 5)
|
||||
self.utxos.append([block.vtx[-1].sha256, 0, block.vtx[-1].vout[0].nValue])
|
||||
self.test_node.send_and_ping(msg_tx(block.vtx[1]))
|
||||
assert(block.vtx[1].hash in self.nodes[0].getrawmempool())
|
||||
test_node.send_and_ping(msg_tx(block.vtx[1]))
|
||||
assert(block.vtx[1].hash in node.getrawmempool())
|
||||
|
||||
# Prefill 4 out of the 6 transactions, and verify that only the one
|
||||
# that was not in the mempool is requested.
|
||||
comp_block.initialize_from_block(block, prefill_list=[0, 2, 3, 4])
|
||||
self.test_node.send_and_ping(msg_cmpctblock(comp_block.to_p2p()))
|
||||
with mininode_lock:
|
||||
assert(self.test_node.last_getblocktxn is not None)
|
||||
absolute_indexes = self.test_node.last_getblocktxn.block_txn_request.to_absolute()
|
||||
assert_equal(absolute_indexes, [5])
|
||||
comp_block.initialize_from_block(block, prefill_list=[0, 2, 3, 4], use_witness=with_witness)
|
||||
test_getblocktxn_response(comp_block, test_node, [5])
|
||||
|
||||
msg.block_transactions = BlockTransactions(block.sha256, [block.vtx[5]])
|
||||
self.test_node.send_and_ping(msg)
|
||||
assert_equal(int(self.nodes[0].getbestblockhash(), 16), block.sha256)
|
||||
msg_bt.block_transactions = BlockTransactions(block.sha256, [block.vtx[5]])
|
||||
test_tip_after_message(node, test_node, msg_bt, block.sha256)
|
||||
|
||||
# Now provide all transactions to the node before the block is
|
||||
# announced and verify reconstruction happens immediately.
|
||||
utxo = self.utxos.pop(0)
|
||||
block = self.build_block_with_transactions(utxo, 10)
|
||||
block = self.build_block_with_transactions(node, utxo, 10)
|
||||
self.utxos.append([block.vtx[-1].sha256, 0, block.vtx[-1].vout[0].nValue])
|
||||
for tx in block.vtx[1:]:
|
||||
self.test_node.send_message(msg_tx(tx))
|
||||
self.test_node.sync_with_ping()
|
||||
test_node.send_message(msg_tx(tx))
|
||||
test_node.sync_with_ping()
|
||||
# Make sure all transactions were accepted.
|
||||
mempool = self.nodes[0].getrawmempool()
|
||||
mempool = node.getrawmempool()
|
||||
for tx in block.vtx[1:]:
|
||||
assert(tx.hash in mempool)
|
||||
|
||||
# Clear out last request.
|
||||
with mininode_lock:
|
||||
self.test_node.last_getblocktxn = None
|
||||
test_node.last_getblocktxn = None
|
||||
|
||||
# Send compact block
|
||||
comp_block.initialize_from_block(block, prefill_list=[0])
|
||||
self.test_node.send_and_ping(msg_cmpctblock(comp_block.to_p2p()))
|
||||
comp_block.initialize_from_block(block, prefill_list=[0], use_witness=with_witness)
|
||||
test_tip_after_message(node, test_node, msg_cmpctblock(comp_block.to_p2p()), block.sha256)
|
||||
with mininode_lock:
|
||||
# Shouldn't have gotten a request for any transaction
|
||||
assert(self.test_node.last_getblocktxn is None)
|
||||
# Tip should have updated
|
||||
assert_equal(int(self.nodes[0].getbestblockhash(), 16), block.sha256)
|
||||
assert(test_node.last_getblocktxn is None)
|
||||
|
||||
# Incorrectly responding to a getblocktxn shouldn't cause the block to be
|
||||
# permanently failed.
|
||||
def test_incorrect_blocktxn_response(self):
|
||||
print("Testing handling of incorrect blocktxn responses...")
|
||||
|
||||
def test_incorrect_blocktxn_response(self, node, test_node, version):
|
||||
if (len(self.utxos) == 0):
|
||||
self.make_utxos()
|
||||
utxo = self.utxos.pop(0)
|
||||
|
||||
block = self.build_block_with_transactions(utxo, 10)
|
||||
block = self.build_block_with_transactions(node, utxo, 10)
|
||||
self.utxos.append([block.vtx[-1].sha256, 0, block.vtx[-1].vout[0].nValue])
|
||||
# Relay the first 5 transactions from the block in advance
|
||||
for tx in block.vtx[1:6]:
|
||||
self.test_node.send_message(msg_tx(tx))
|
||||
self.test_node.sync_with_ping()
|
||||
test_node.send_message(msg_tx(tx))
|
||||
test_node.sync_with_ping()
|
||||
# Make sure all transactions were accepted.
|
||||
mempool = self.nodes[0].getrawmempool()
|
||||
mempool = node.getrawmempool()
|
||||
for tx in block.vtx[1:6]:
|
||||
assert(tx.hash in mempool)
|
||||
|
||||
# Send compact block
|
||||
comp_block = HeaderAndShortIDs()
|
||||
comp_block.initialize_from_block(block, prefill_list=[0])
|
||||
self.test_node.send_and_ping(msg_cmpctblock(comp_block.to_p2p()))
|
||||
comp_block.initialize_from_block(block, prefill_list=[0], use_witness=(version == 2))
|
||||
test_node.send_and_ping(msg_cmpctblock(comp_block.to_p2p()))
|
||||
absolute_indexes = []
|
||||
with mininode_lock:
|
||||
assert(self.test_node.last_getblocktxn is not None)
|
||||
absolute_indexes = self.test_node.last_getblocktxn.block_txn_request.to_absolute()
|
||||
assert(test_node.last_getblocktxn is not None)
|
||||
absolute_indexes = test_node.last_getblocktxn.block_txn_request.to_absolute()
|
||||
assert_equal(absolute_indexes, [6, 7, 8, 9, 10])
|
||||
|
||||
# Now give an incorrect response.
|
||||
|
|
@ -484,100 +535,107 @@ class CompactBlocksTest(BitcoinTestFramework):
|
|||
# verifying that the block isn't marked bad permanently. This is good
|
||||
# enough for now.
|
||||
msg = msg_blocktxn()
|
||||
if version==2:
|
||||
msg = msg_witness_blocktxn()
|
||||
msg.block_transactions = BlockTransactions(block.sha256, [block.vtx[5]] + block.vtx[7:])
|
||||
self.test_node.send_and_ping(msg)
|
||||
test_node.send_and_ping(msg)
|
||||
|
||||
# Tip should not have updated
|
||||
assert_equal(int(self.nodes[0].getbestblockhash(), 16), block.hashPrevBlock)
|
||||
assert_equal(int(node.getbestblockhash(), 16), block.hashPrevBlock)
|
||||
|
||||
# We should receive a getdata request
|
||||
success = wait_until(lambda: self.test_node.last_getdata is not None, timeout=10)
|
||||
success = wait_until(lambda: test_node.last_getdata is not None, timeout=10)
|
||||
assert(success)
|
||||
assert_equal(len(self.test_node.last_getdata.inv), 1)
|
||||
assert_equal(self.test_node.last_getdata.inv[0].type, 2)
|
||||
assert_equal(self.test_node.last_getdata.inv[0].hash, block.sha256)
|
||||
assert_equal(len(test_node.last_getdata.inv), 1)
|
||||
assert(test_node.last_getdata.inv[0].type == 2 or test_node.last_getdata.inv[0].type == 2|MSG_WITNESS_FLAG)
|
||||
assert_equal(test_node.last_getdata.inv[0].hash, block.sha256)
|
||||
|
||||
# Deliver the block
|
||||
self.test_node.send_and_ping(msg_block(block))
|
||||
assert_equal(int(self.nodes[0].getbestblockhash(), 16), block.sha256)
|
||||
|
||||
def test_getblocktxn_handler(self):
|
||||
print("Testing getblocktxn handler...")
|
||||
if version==2:
|
||||
test_node.send_and_ping(msg_witness_block(block))
|
||||
else:
|
||||
test_node.send_and_ping(msg_block(block))
|
||||
assert_equal(int(node.getbestblockhash(), 16), block.sha256)
|
||||
|
||||
def test_getblocktxn_handler(self, node, test_node, version):
|
||||
# bitcoind won't respond for blocks whose height is more than 15 blocks
|
||||
# deep.
|
||||
MAX_GETBLOCKTXN_DEPTH = 15
|
||||
chain_height = self.nodes[0].getblockcount()
|
||||
chain_height = node.getblockcount()
|
||||
current_height = chain_height
|
||||
while (current_height >= chain_height - MAX_GETBLOCKTXN_DEPTH):
|
||||
block_hash = self.nodes[0].getblockhash(current_height)
|
||||
block = FromHex(CBlock(), self.nodes[0].getblock(block_hash, False))
|
||||
block_hash = node.getblockhash(current_height)
|
||||
block = FromHex(CBlock(), node.getblock(block_hash, False))
|
||||
|
||||
msg = msg_getblocktxn()
|
||||
msg.block_txn_request = BlockTransactionsRequest(int(block_hash, 16), [])
|
||||
num_to_request = random.randint(1, len(block.vtx))
|
||||
msg.block_txn_request.from_absolute(sorted(random.sample(range(len(block.vtx)), num_to_request)))
|
||||
self.test_node.send_message(msg)
|
||||
success = wait_until(lambda: self.test_node.last_blocktxn is not None, timeout=10)
|
||||
test_node.send_message(msg)
|
||||
success = wait_until(lambda: test_node.last_blocktxn is not None, timeout=10)
|
||||
assert(success)
|
||||
|
||||
[tx.calc_sha256() for tx in block.vtx]
|
||||
with mininode_lock:
|
||||
assert_equal(self.test_node.last_blocktxn.block_transactions.blockhash, int(block_hash, 16))
|
||||
assert_equal(test_node.last_blocktxn.block_transactions.blockhash, int(block_hash, 16))
|
||||
all_indices = msg.block_txn_request.to_absolute()
|
||||
for index in all_indices:
|
||||
tx = self.test_node.last_blocktxn.block_transactions.transactions.pop(0)
|
||||
tx = test_node.last_blocktxn.block_transactions.transactions.pop(0)
|
||||
tx.calc_sha256()
|
||||
assert_equal(tx.sha256, block.vtx[index].sha256)
|
||||
self.test_node.last_blocktxn = None
|
||||
if version == 1:
|
||||
# Witnesses should have been stripped
|
||||
assert(tx.wit.is_null())
|
||||
else:
|
||||
# Check that the witness matches
|
||||
assert_equal(tx.calc_sha256(True), block.vtx[index].calc_sha256(True))
|
||||
test_node.last_blocktxn = None
|
||||
current_height -= 1
|
||||
|
||||
# Next request should be ignored, as we're past the allowed depth.
|
||||
block_hash = self.nodes[0].getblockhash(current_height)
|
||||
block_hash = node.getblockhash(current_height)
|
||||
msg.block_txn_request = BlockTransactionsRequest(int(block_hash, 16), [0])
|
||||
self.test_node.send_and_ping(msg)
|
||||
test_node.send_and_ping(msg)
|
||||
with mininode_lock:
|
||||
assert_equal(self.test_node.last_blocktxn, None)
|
||||
|
||||
def test_compactblocks_not_at_tip(self):
|
||||
print("Testing compactblock requests/announcements not at chain tip...")
|
||||
assert_equal(test_node.last_blocktxn, None)
|
||||
|
||||
def test_compactblocks_not_at_tip(self, node, test_node):
|
||||
# Test that requesting old compactblocks doesn't work.
|
||||
MAX_CMPCTBLOCK_DEPTH = 11
|
||||
new_blocks = []
|
||||
for i in range(MAX_CMPCTBLOCK_DEPTH):
|
||||
self.test_node.clear_block_announcement()
|
||||
new_blocks.append(self.nodes[0].generate(1)[0])
|
||||
wait_until(self.test_node.received_block_announcement, timeout=30)
|
||||
test_node.clear_block_announcement()
|
||||
new_blocks.append(node.generate(1)[0])
|
||||
wait_until(test_node.received_block_announcement, timeout=30)
|
||||
|
||||
self.test_node.clear_block_announcement()
|
||||
self.test_node.send_message(msg_getdata([CInv(4, int(new_blocks[0], 16))]))
|
||||
success = wait_until(lambda: self.test_node.last_cmpctblock is not None, timeout=30)
|
||||
test_node.clear_block_announcement()
|
||||
test_node.send_message(msg_getdata([CInv(4, int(new_blocks[0], 16))]))
|
||||
success = wait_until(lambda: test_node.last_cmpctblock is not None, timeout=30)
|
||||
assert(success)
|
||||
|
||||
self.test_node.clear_block_announcement()
|
||||
self.nodes[0].generate(1)
|
||||
wait_until(self.test_node.received_block_announcement, timeout=30)
|
||||
self.test_node.clear_block_announcement()
|
||||
self.test_node.send_message(msg_getdata([CInv(4, int(new_blocks[0], 16))]))
|
||||
success = wait_until(lambda: self.test_node.last_block is not None, timeout=30)
|
||||
test_node.clear_block_announcement()
|
||||
node.generate(1)
|
||||
wait_until(test_node.received_block_announcement, timeout=30)
|
||||
test_node.clear_block_announcement()
|
||||
test_node.send_message(msg_getdata([CInv(4, int(new_blocks[0], 16))]))
|
||||
success = wait_until(lambda: test_node.last_block is not None, timeout=30)
|
||||
assert(success)
|
||||
with mininode_lock:
|
||||
self.test_node.last_block.block.calc_sha256()
|
||||
assert_equal(self.test_node.last_block.block.sha256, int(new_blocks[0], 16))
|
||||
test_node.last_block.block.calc_sha256()
|
||||
assert_equal(test_node.last_block.block.sha256, int(new_blocks[0], 16))
|
||||
|
||||
# Generate an old compactblock, and verify that it's not accepted.
|
||||
cur_height = self.nodes[0].getblockcount()
|
||||
hashPrevBlock = int(self.nodes[0].getblockhash(cur_height-5), 16)
|
||||
block = self.build_block_on_tip()
|
||||
cur_height = node.getblockcount()
|
||||
hashPrevBlock = int(node.getblockhash(cur_height-5), 16)
|
||||
block = self.build_block_on_tip(node)
|
||||
block.hashPrevBlock = hashPrevBlock
|
||||
block.solve()
|
||||
|
||||
comp_block = HeaderAndShortIDs()
|
||||
comp_block.initialize_from_block(block)
|
||||
self.test_node.send_and_ping(msg_cmpctblock(comp_block.to_p2p()))
|
||||
test_node.send_and_ping(msg_cmpctblock(comp_block.to_p2p()))
|
||||
|
||||
tips = self.nodes[0].getchaintips()
|
||||
tips = node.getchaintips()
|
||||
found = False
|
||||
for x in tips:
|
||||
if x["hash"] == block.hash:
|
||||
|
|
@ -591,18 +649,61 @@ class CompactBlocksTest(BitcoinTestFramework):
|
|||
msg = msg_getblocktxn()
|
||||
msg.block_txn_request = BlockTransactionsRequest(block.sha256, [0])
|
||||
with mininode_lock:
|
||||
self.test_node.last_blocktxn = None
|
||||
self.test_node.send_and_ping(msg)
|
||||
test_node.last_blocktxn = None
|
||||
test_node.send_and_ping(msg)
|
||||
with mininode_lock:
|
||||
assert(self.test_node.last_blocktxn is None)
|
||||
assert(test_node.last_blocktxn is None)
|
||||
|
||||
def activate_segwit(self, node):
|
||||
node.generate(144*3)
|
||||
assert_equal(get_bip9_status(node, "segwit")["status"], 'active')
|
||||
|
||||
def test_end_to_end_block_relay(self, node, listeners):
|
||||
utxo = self.utxos.pop(0)
|
||||
|
||||
block = self.build_block_with_transactions(node, utxo, 10)
|
||||
|
||||
[l.clear_block_announcement() for l in listeners]
|
||||
|
||||
# ToHex() won't serialize with witness, but this block has no witnesses
|
||||
# anyway. TODO: repeat this test with witness tx's to a segwit node.
|
||||
node.submitblock(ToHex(block))
|
||||
|
||||
for l in listeners:
|
||||
wait_until(lambda: l.received_block_announcement(), timeout=30)
|
||||
with mininode_lock:
|
||||
for l in listeners:
|
||||
assert(l.last_cmpctblock is not None)
|
||||
l.last_cmpctblock.header_and_shortids.header.calc_sha256()
|
||||
assert_equal(l.last_cmpctblock.header_and_shortids.header.sha256, block.sha256)
|
||||
|
||||
# Helper for enabling cb announcements
|
||||
# Send the sendcmpct request and sync headers
|
||||
def request_cb_announcements(self, peer, node, version):
|
||||
tip = node.getbestblockhash()
|
||||
peer.get_headers(locator=[int(tip, 16)], hashstop=0)
|
||||
|
||||
msg = msg_sendcmpct()
|
||||
msg.version = version
|
||||
msg.announce = True
|
||||
peer.send_and_ping(msg)
|
||||
|
||||
|
||||
def run_test(self):
|
||||
# Setup the p2p connections and start up the network thread.
|
||||
self.test_node = TestNode()
|
||||
self.segwit_node = TestNode()
|
||||
self.old_node = TestNode() # version 1 peer <--> segwit node
|
||||
|
||||
connections = []
|
||||
connections.append(NodeConn('127.0.0.1', p2p_port(0), self.nodes[0], self.test_node))
|
||||
connections.append(NodeConn('127.0.0.1', p2p_port(1), self.nodes[1],
|
||||
self.segwit_node, services=NODE_NETWORK|NODE_WITNESS))
|
||||
connections.append(NodeConn('127.0.0.1', p2p_port(1), self.nodes[1],
|
||||
self.old_node, services=NODE_NETWORK))
|
||||
self.test_node.add_connection(connections[0])
|
||||
self.segwit_node.add_connection(connections[1])
|
||||
self.old_node.add_connection(connections[2])
|
||||
|
||||
NetworkThread().start() # Start up network handling in another thread
|
||||
|
||||
|
|
@ -612,13 +713,107 @@ class CompactBlocksTest(BitcoinTestFramework):
|
|||
# We will need UTXOs to construct transactions in later tests.
|
||||
self.make_utxos()
|
||||
|
||||
self.test_sendcmpct()
|
||||
self.test_compactblock_construction()
|
||||
self.test_compactblock_requests()
|
||||
self.test_getblocktxn_requests()
|
||||
self.test_getblocktxn_handler()
|
||||
self.test_compactblocks_not_at_tip()
|
||||
self.test_incorrect_blocktxn_response()
|
||||
print("Running tests, pre-segwit activation:")
|
||||
|
||||
print("\tTesting SENDCMPCT p2p message... ")
|
||||
self.test_sendcmpct(self.nodes[0], self.test_node, 1)
|
||||
sync_blocks(self.nodes)
|
||||
self.test_sendcmpct(self.nodes[1], self.segwit_node, 2, old_node=self.old_node)
|
||||
sync_blocks(self.nodes)
|
||||
|
||||
print("\tTesting compactblock construction...")
|
||||
self.test_compactblock_construction(self.nodes[0], self.test_node, 1, False)
|
||||
sync_blocks(self.nodes)
|
||||
self.test_compactblock_construction(self.nodes[1], self.segwit_node, 2, False)
|
||||
sync_blocks(self.nodes)
|
||||
|
||||
print("\tTesting compactblock requests... ")
|
||||
self.test_compactblock_requests(self.nodes[0], self.test_node)
|
||||
sync_blocks(self.nodes)
|
||||
self.test_compactblock_requests(self.nodes[1], self.segwit_node)
|
||||
sync_blocks(self.nodes)
|
||||
|
||||
print("\tTesting getblocktxn requests...")
|
||||
self.test_getblocktxn_requests(self.nodes[0], self.test_node, 1)
|
||||
sync_blocks(self.nodes)
|
||||
self.test_getblocktxn_requests(self.nodes[1], self.segwit_node, 2)
|
||||
sync_blocks(self.nodes)
|
||||
|
||||
print("\tTesting getblocktxn handler...")
|
||||
self.test_getblocktxn_handler(self.nodes[0], self.test_node, 1)
|
||||
sync_blocks(self.nodes)
|
||||
self.test_getblocktxn_handler(self.nodes[1], self.segwit_node, 2)
|
||||
self.test_getblocktxn_handler(self.nodes[1], self.old_node, 1)
|
||||
sync_blocks(self.nodes)
|
||||
|
||||
print("\tTesting compactblock requests/announcements not at chain tip...")
|
||||
self.test_compactblocks_not_at_tip(self.nodes[0], self.test_node)
|
||||
sync_blocks(self.nodes)
|
||||
self.test_compactblocks_not_at_tip(self.nodes[1], self.segwit_node)
|
||||
self.test_compactblocks_not_at_tip(self.nodes[1], self.old_node)
|
||||
sync_blocks(self.nodes)
|
||||
|
||||
print("\tTesting handling of incorrect blocktxn responses...")
|
||||
self.test_incorrect_blocktxn_response(self.nodes[0], self.test_node, 1)
|
||||
sync_blocks(self.nodes)
|
||||
self.test_incorrect_blocktxn_response(self.nodes[1], self.segwit_node, 2)
|
||||
sync_blocks(self.nodes)
|
||||
|
||||
# End-to-end block relay tests
|
||||
print("\tTesting end-to-end block relay...")
|
||||
self.request_cb_announcements(self.test_node, self.nodes[0], 1)
|
||||
self.request_cb_announcements(self.old_node, self.nodes[1], 1)
|
||||
self.request_cb_announcements(self.segwit_node, self.nodes[1], 2)
|
||||
self.test_end_to_end_block_relay(self.nodes[0], [self.segwit_node, self.test_node, self.old_node])
|
||||
self.test_end_to_end_block_relay(self.nodes[1], [self.segwit_node, self.test_node, self.old_node])
|
||||
|
||||
# Advance to segwit activation
|
||||
print ("\nAdvancing to segwit activation\n")
|
||||
self.activate_segwit(self.nodes[1])
|
||||
print ("Running tests, post-segwit activation...")
|
||||
|
||||
print("\tTesting compactblock construction...")
|
||||
self.test_compactblock_construction(self.nodes[1], self.old_node, 1, True)
|
||||
self.test_compactblock_construction(self.nodes[1], self.segwit_node, 2, True)
|
||||
sync_blocks(self.nodes)
|
||||
|
||||
print("\tTesting compactblock requests (unupgraded node)... ")
|
||||
self.test_compactblock_requests(self.nodes[0], self.test_node)
|
||||
|
||||
print("\tTesting getblocktxn requests (unupgraded node)...")
|
||||
self.test_getblocktxn_requests(self.nodes[0], self.test_node, 1)
|
||||
|
||||
# Need to manually sync node0 and node1, because post-segwit activation,
|
||||
# node1 will not download blocks from node0.
|
||||
print("\tSyncing nodes...")
|
||||
assert(self.nodes[0].getbestblockhash() != self.nodes[1].getbestblockhash())
|
||||
while (self.nodes[0].getblockcount() > self.nodes[1].getblockcount()):
|
||||
block_hash = self.nodes[0].getblockhash(self.nodes[1].getblockcount()+1)
|
||||
self.nodes[1].submitblock(self.nodes[0].getblock(block_hash, False))
|
||||
assert_equal(self.nodes[0].getbestblockhash(), self.nodes[1].getbestblockhash())
|
||||
|
||||
print("\tTesting compactblock requests (segwit node)... ")
|
||||
self.test_compactblock_requests(self.nodes[1], self.segwit_node)
|
||||
|
||||
print("\tTesting getblocktxn requests (segwit node)...")
|
||||
self.test_getblocktxn_requests(self.nodes[1], self.segwit_node, 2)
|
||||
sync_blocks(self.nodes)
|
||||
|
||||
print("\tTesting getblocktxn handler (segwit node should return witnesses)...")
|
||||
self.test_getblocktxn_handler(self.nodes[1], self.segwit_node, 2)
|
||||
self.test_getblocktxn_handler(self.nodes[1], self.old_node, 1)
|
||||
|
||||
# Test that if we submitblock to node1, we'll get a compact block
|
||||
# announcement to all peers.
|
||||
# (Post-segwit activation, blocks won't propagate from node0 to node1
|
||||
# automatically, so don't bother testing a block announced to node0.)
|
||||
print("\tTesting end-to-end block relay...")
|
||||
self.request_cb_announcements(self.test_node, self.nodes[0], 1)
|
||||
self.request_cb_announcements(self.old_node, self.nodes[1], 1)
|
||||
self.request_cb_announcements(self.segwit_node, self.nodes[1], 2)
|
||||
self.test_end_to_end_block_relay(self.nodes[1], [self.segwit_node, self.test_node, self.old_node])
|
||||
|
||||
print("\tTesting invalid index in cmpctblock message...")
|
||||
self.test_invalid_cmpctblock_message()
|
||||
|
||||
|
||||
|
|
|
|||
Loading…
Reference in a new issue