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94 lines
4.2 KiB
Python
Executable file
94 lines
4.2 KiB
Python
Executable file
#!/usr/bin/env python3
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# Copyright (c) 2020-2021 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 transaction relay behavior during IBD:
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- Set fee filters to MAX_MONEY
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- Don't request transactions
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- Ignore all transaction messages
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"""
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from decimal import Decimal
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import time
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from test_framework.messages import (
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CInv,
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COIN,
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CTransaction,
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from_hex,
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msg_inv,
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msg_tx,
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MSG_WTX,
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)
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from test_framework.p2p import (
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NONPREF_PEER_TX_DELAY,
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P2PDataStore,
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P2PInterface,
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p2p_lock
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)
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from test_framework.test_framework import BitcoinTestFramework
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# ELEMENTS: this number is implied by DEFAULT_MIN_RELAY_TX_FEE in src/net_processing.cpp
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# which is different in Elements/Bitcoin and cannot be changed by command-line args
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MAX_FEE_FILTER = Decimal(9936506) / COIN
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NORMAL_FEE_FILTER = Decimal(100) / COIN
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class P2PIBDTxRelayTest(BitcoinTestFramework):
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def set_test_params(self):
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self.setup_clean_chain = True
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self.num_nodes = 2
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self.extra_args = [
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["-minrelaytxfee={}".format(NORMAL_FEE_FILTER)],
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["-minrelaytxfee={}".format(NORMAL_FEE_FILTER)],
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]
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def run_test(self):
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self.log.info("Check that nodes set minfilter to MAX_MONEY while still in IBD")
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for node in self.nodes:
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assert node.getblockchaininfo()['initialblockdownload']
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self.wait_until(lambda: all(peer['minfeefilter'] == MAX_FEE_FILTER for peer in node.getpeerinfo()))
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self.log.info("Check that nodes don't send getdatas for transactions while still in IBD")
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peer_inver = self.nodes[0].add_p2p_connection(P2PDataStore())
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txid = 0xdeadbeef
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peer_inver.send_and_ping(msg_inv([CInv(t=MSG_WTX, h=txid)]))
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# The node should not send a getdata, but if it did, it would first delay 2 seconds
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self.nodes[0].setmocktime(int(time.time() + NONPREF_PEER_TX_DELAY))
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peer_inver.sync_send_with_ping()
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with p2p_lock:
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assert txid not in peer_inver.getdata_requests
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self.nodes[0].disconnect_p2ps()
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self.log.info("Check that nodes don't process unsolicited transactions while still in IBD")
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# A transaction hex pulled from tx_valid.json. There are no valid transactions since no UTXOs
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# exist yet, but it should be a well-formed transaction.
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# ELEMENTS: this is an arbitrary transaction pulled from a dummy regtest network
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rawhex = "0200000001010000000000000000000000000000000000000000000000000000000000000000ffffffff0502ca000101" + \
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"ffffffff0201230f4f5d4b7c6fa845806ee4f67713459e1b69e8e60fcee2e4940c7a0d5de1b201000000000000000000016" + \
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"a01230f4f5d4b7c6fa845806ee4f67713459e1b69e8e60fcee2e4940c7a0d5de1b201000000000000000000266a24aa21a9" + \
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"ed94f15ed3a62165e4a0b99699cc28b48e19cb5bc1b1f47155db62d63f1e047d45000000000000012000000000000000000" + \
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"000000000000000000000000000000000000000000000000000000000"
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assert self.nodes[1].decoderawtransaction(rawhex) # returns a dict, should not throw
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tx = from_hex(CTransaction(), rawhex)
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peer_txer = self.nodes[0].add_p2p_connection(P2PInterface())
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with self.nodes[0].assert_debug_log(expected_msgs=["received: tx"], unexpected_msgs=["was not accepted"]):
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peer_txer.send_and_ping(msg_tx(tx))
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self.nodes[0].disconnect_p2ps()
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# Come out of IBD by generating a block
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self.generate(self.nodes[0], 1)
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self.log.info("Check that nodes reset minfilter after coming out of IBD")
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for node in self.nodes:
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assert not node.getblockchaininfo()['initialblockdownload']
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self.wait_until(lambda: all(peer['minfeefilter'] == NORMAL_FEE_FILTER for peer in node.getpeerinfo()))
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self.log.info("Check that nodes process the same transaction, even when unsolicited, when no longer in IBD")
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peer_txer = self.nodes[0].add_p2p_connection(P2PInterface())
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# ELEMENTS FIXME:
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# with self.nodes[0].assert_debug_log(expected_msgs=["was not accepted"]):
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# peer_txer.send_and_ping(msg_tx(tx))
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if __name__ == '__main__':
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P2PIBDTxRelayTest().main()
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