Verus Coin - this coin was backdoored by it's lead dev and should not be trusted!
https://git.hush.is/duke/backdoors/src/branch/master/vrsc.md
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98 lines
2.9 KiB
98 lines
2.9 KiB
# Copyright (c) 2019 The Zcash developers
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# Distributed under the MIT software license, see the accompanying
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# file COPYING or https://www.opensource.org/licenses/mit-license.php .
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#
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# Common code for testing transaction expiry
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#
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from test_framework.mininode import CTransaction, NodeConnCB, mininode_lock, msg_ping, \
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msg_pong
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from test_framework.util import fail
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import cStringIO
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import time
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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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self.ping_counter = 1
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self.last_pong = msg_pong()
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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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# Track the last getdata message we receive (used in the test)
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def on_getdata(self, conn, message):
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self.last_getdata = message
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def on_tx(self, conn, message):
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self.last_tx = message
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def on_inv(self, conn, message):
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self.last_inv = message
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def on_notfound(self, conn, message):
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self.last_notfound = message
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def on_pong(self, conn, message):
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self.last_pong = message
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# The following function is mostly copied from p2p-acceptblock.py
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# Sync up with the node after delivery of a message
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def sync_with_ping(self, timeout=30):
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self.connection.send_message(msg_ping(nonce=self.ping_counter))
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sleep_time = 0.05
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while timeout > 0:
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with mininode_lock:
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if self.last_pong.nonce == self.ping_counter:
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self.ping_counter += 1
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return
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time.sleep(sleep_time)
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timeout -= sleep_time
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fail("Should have received pong")
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def create_transaction(node, coinbase, to_address, amount, expiry_height):
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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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# Set the expiry height
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f = cStringIO.StringIO(unhexlify(rawtx))
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tx.deserialize(f)
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tx.nExpiryHeight = expiry_height
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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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tx.rehash()
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return tx
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