134 lines
4.5 KiB
Python
Executable File
134 lines
4.5 KiB
Python
Executable File
#!/usr/bin/env python2
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# Copyright (c) 2018 The Zcash 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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from test_framework.mininode import NodeConn, NodeConnCB, NetworkThread, \
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CTransaction, msg_tx, mininode_lock, OVERWINTER_PROTO_VERSION
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from test_framework.test_framework import BitcoinTestFramework
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from test_framework.util import initialize_chain_clean, start_nodes, \
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p2p_port, assert_equal
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import time, cStringIO
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from binascii import hexlify, unhexlify
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class TestNode(NodeConnCB):
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def __init__(self):
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NodeConnCB.__init__(self)
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self.create_callback_map()
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self.connection = None
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def add_connection(self, conn):
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self.connection = conn
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# Spin until verack message is received from the node.
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# We use this to signal that our test can begin. This
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# is called from the testing thread, so it needs to acquire
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# the global lock.
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def wait_for_verack(self):
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while True:
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with mininode_lock:
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if self.verack_received:
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return
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time.sleep(0.05)
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# Wrapper for the NodeConn's send_message function
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def send_message(self, message):
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self.connection.send_message(message)
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def on_close(self, conn):
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pass
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def on_reject(self, conn, message):
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conn.rejectMessage = message
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class TxExpiryDoSTest(BitcoinTestFramework):
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def setup_chain(self):
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print "Initializing test directory "+self.options.tmpdir
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initialize_chain_clean(self.options.tmpdir, 1)
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def setup_network(self):
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self.nodes = start_nodes(1, self.options.tmpdir,
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extra_args=[['-nuparams=5ba81b19:10']])
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def create_transaction(self, node, coinbase, to_address, amount, txModifier=None):
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from_txid = node.getblock(coinbase)['tx'][0]
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inputs = [{ "txid" : from_txid, "vout" : 0}]
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outputs = { to_address : amount }
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rawtx = node.createrawtransaction(inputs, outputs)
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tx = CTransaction()
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if txModifier:
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f = cStringIO.StringIO(unhexlify(rawtx))
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tx.deserialize(f)
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txModifier(tx)
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rawtx = hexlify(tx.serialize())
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signresult = node.signrawtransaction(rawtx)
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f = cStringIO.StringIO(unhexlify(signresult['hex']))
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tx.deserialize(f)
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return tx
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def run_test(self):
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test_node = TestNode()
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connections = []
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connections.append(NodeConn('127.0.0.1', p2p_port(0), self.nodes[0],
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test_node, "regtest", True))
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test_node.add_connection(connections[0])
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# Start up network handling in another thread
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NetworkThread().start()
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test_node.wait_for_verack()
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# Verify mininodes are connected to zcashd nodes
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peerinfo = self.nodes[0].getpeerinfo()
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versions = [x["version"] for x in peerinfo]
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assert_equal(1, versions.count(OVERWINTER_PROTO_VERSION))
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assert_equal(0, peerinfo[0]["banscore"])
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self.coinbase_blocks = self.nodes[0].generate(1)
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self.nodes[0].generate(100)
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self.nodeaddress = self.nodes[0].getnewaddress()
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# Mininodes send transaction to zcashd node.
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def setExpiryHeight(tx):
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tx.nExpiryHeight = 101
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spendtx = self.create_transaction(self.nodes[0],
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self.coinbase_blocks[0],
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self.nodeaddress, 1.0,
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txModifier=setExpiryHeight)
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test_node.send_message(msg_tx(spendtx))
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time.sleep(3)
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# Verify test mininode has not been dropped
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# and still has a banscore of 0.
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peerinfo = self.nodes[0].getpeerinfo()
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versions = [x["version"] for x in peerinfo]
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assert_equal(1, versions.count(OVERWINTER_PROTO_VERSION))
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assert_equal(0, peerinfo[0]["banscore"])
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# Mine a block and resend the transaction
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self.nodes[0].generate(1)
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test_node.send_message(msg_tx(spendtx))
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time.sleep(3)
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# Verify test mininode has not been dropped
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# but has a banscore of 10.
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peerinfo = self.nodes[0].getpeerinfo()
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versions = [x["version"] for x in peerinfo]
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assert_equal(1, versions.count(OVERWINTER_PROTO_VERSION))
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assert_equal(10, peerinfo[0]["banscore"])
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[ c.disconnect_node() for c in connections ]
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if __name__ == '__main__':
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TxExpiryDoSTest().main()
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