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91 lines
4.6 KiB
91 lines
4.6 KiB
#!/usr/bin/env python3
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# Copyright (c) 2019 The Bitcoin Core 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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"""Test p2p blocksonly"""
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from test_framework.messages import msg_tx, CTransaction, FromHex
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from test_framework.p2p import P2PInterface
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from test_framework.test_framework import BitcoinTestFramework
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from test_framework.util import assert_equal
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class P2PBlocksOnly(BitcoinTestFramework):
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def set_test_params(self):
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self.setup_clean_chain = False
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self.num_nodes = 1
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self.extra_args = [["-blocksonly"]]
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def run_test(self):
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block_relay_peer = self.nodes[0].add_p2p_connection(P2PInterface())
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self.log.info('Check that txs from p2p are rejected and result in disconnect')
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prevtx = self.nodes[0].getblock(self.nodes[0].getblockhash(1), 2)['tx'][0]
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rawtx = self.nodes[0].createrawtransaction(
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inputs=[{
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'txid': prevtx['txid'],
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'vout': 0
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}],
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outputs=[{
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self.nodes[0].get_deterministic_priv_key().address: 50 - 0.00125
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}],
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)
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sigtx = self.nodes[0].signrawtransactionwithkey(
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hexstring=rawtx,
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privkeys=[self.nodes[0].get_deterministic_priv_key().key],
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prevtxs=[{
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'txid': prevtx['txid'],
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'vout': 0,
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'scriptPubKey': prevtx['vout'][0]['scriptPubKey']['hex'],
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}],
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)['hex']
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assert_equal(self.nodes[0].getnetworkinfo()['localrelay'], False)
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with self.nodes[0].assert_debug_log(['transaction sent in violation of protocol peer=0']):
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block_relay_peer.send_message(msg_tx(FromHex(CTransaction(), sigtx)))
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block_relay_peer.wait_for_disconnect()
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assert_equal(self.nodes[0].getmempoolinfo()['size'], 0)
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# Remove the disconnected peer and add a new one.
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del self.nodes[0].p2ps[0]
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tx_relay_peer = self.nodes[0].add_p2p_connection(P2PInterface())
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self.log.info('Check that txs from rpc are not rejected and relayed to other peers')
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assert_equal(self.nodes[0].getpeerinfo()[0]['relaytxes'], True)
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txid = self.nodes[0].testmempoolaccept([sigtx])[0]['txid']
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with self.nodes[0].assert_debug_log(['received getdata for: wtx {} peer=1'.format(txid)]):
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self.nodes[0].sendrawtransaction(sigtx)
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tx_relay_peer.wait_for_tx(txid)
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assert_equal(self.nodes[0].getmempoolinfo()['size'], 1)
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self.log.info('Check that txs from peers with relay-permission are not rejected and relayed to others')
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self.log.info("Restarting node 0 with relay permission and blocksonly")
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self.restart_node(0, ["-persistmempool=0", "-whitelist=relay@127.0.0.1", "-blocksonly", '-deprecatedrpc=whitelisted'])
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assert_equal(self.nodes[0].getrawmempool(), [])
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first_peer = self.nodes[0].add_p2p_connection(P2PInterface())
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second_peer = self.nodes[0].add_p2p_connection(P2PInterface())
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peer_1_info = self.nodes[0].getpeerinfo()[0]
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assert_equal(peer_1_info['permissions'], ['relay'])
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peer_2_info = self.nodes[0].getpeerinfo()[1]
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assert_equal(peer_2_info['permissions'], ['relay'])
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assert_equal(self.nodes[0].testmempoolaccept([sigtx])[0]['allowed'], True)
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txid = self.nodes[0].testmempoolaccept([sigtx])[0]['txid']
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self.log.info('Check that the tx from first_peer with relay-permission is relayed to others (ie.second_peer)')
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with self.nodes[0].assert_debug_log(["received getdata"]):
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# Note that normally, first_peer would never send us transactions since we're a blocksonly node.
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# By activating blocksonly, we explicitly tell our peers that they should not send us transactions,
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# and Bitcoin Core respects that choice and will not send transactions.
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# But if, for some reason, first_peer decides to relay transactions to us anyway, we should relay them to
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# second_peer since we gave relay permission to first_peer.
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# See https://github.com/bitcoin/bitcoin/issues/19943 for details.
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first_peer.send_message(msg_tx(FromHex(CTransaction(), sigtx)))
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self.log.info('Check that the peer with relay-permission is still connected after sending the transaction')
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assert_equal(first_peer.is_connected, True)
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second_peer.wait_for_tx(txid)
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assert_equal(self.nodes[0].getmempoolinfo()['size'], 1)
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self.log.info("Relay-permission peer's transaction is accepted and relayed")
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if __name__ == '__main__':
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P2PBlocksOnly().main()
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