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d5800da5199527a366024bc80cad7fcca17d5c4a [test] Remove final references to mininode (John Newbery) 5e8df3312e47a73e747ee892face55ed9ababeea test: resort imports (John Newbery) 85165d4332b0f72d30e0c584b476249b542338e6 scripted-diff: Rename mininode to p2p (John Newbery) 9e2897d020b114a10c860f90c5405be029afddba scripted-diff: Rename mininode_lock to p2p_lock (John Newbery) Pull request description: New contributors are often confused by the terminology in the test framework, and what the difference between a _node_ and a _peer_ is. To summarize: - a 'node' is a bitcoind instance. This is the thing whose behavior is being tested. Each bitcoind node is managed by a python `TestNode` object which is used to start/stop the node, manage the node's data directory, read state about the node (eg process status, log file), and interact with the node over different interfaces. - one of the interfaces that we can use to interact with the node is the p2p interface. Each connection to a node using this interface is managed by a python `P2PInterface` or derived object (which is owned by the `TestNode` object). We can open zero, one or many p2p connections to each bitcoind node. The node sees these connections as 'peers'. For historic reasons, the word 'mininode' has been used to refer to those p2p interface objects that we use to connect to the bitcoind node (the code was originally taken from the 'mini-node' branch of https://github.com/jgarzik/pynode/tree/mini-node). However that name has proved to be confusing for new contributors, so rename the remaining references. ACKs for top commit: amitiuttarwar: ACK d5800da519 MarcoFalke: ACK d5800da5199527a366024bc80cad7fcca17d5c4a 🚞 Tree-SHA512: 2c46c2ac3c4278b6e3c647cfd8108428a41e80788fc4f0e386e5b0c47675bc687d94779496c09a3e5ea1319617295be10c422adeeff2d2bd68378e00e0eeb5de
112 lines
4.1 KiB
Python
Executable File
112 lines
4.1 KiB
Python
Executable File
#!/usr/bin/env python3
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# Copyright (c) 2017-2020 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 that the mempool ensures transaction delivery by periodically sending
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to peers until a GETDATA is received."""
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import time
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from test_framework.p2p import P2PTxInvStore
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from test_framework.test_framework import BitcoinTestFramework
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from test_framework.util import (
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assert_equal,
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create_confirmed_utxos,
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)
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MAX_INITIAL_BROADCAST_DELAY = 15 * 60 # 15 minutes in seconds
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class MempoolUnbroadcastTest(BitcoinTestFramework):
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def set_test_params(self):
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self.num_nodes = 2
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def skip_test_if_missing_module(self):
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self.skip_if_no_wallet()
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def run_test(self):
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self.test_broadcast()
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self.test_txn_removal()
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def test_broadcast(self):
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self.log.info("Test that mempool reattempts delivery of locally submitted transaction")
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node = self.nodes[0]
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min_relay_fee = node.getnetworkinfo()["relayfee"]
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utxos = create_confirmed_utxos(min_relay_fee, node, 10)
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self.disconnect_nodes(0, 1)
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self.log.info("Generate transactions that only node 0 knows about")
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# generate a wallet txn
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addr = node.getnewaddress()
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wallet_tx_hsh = node.sendtoaddress(addr, 0.0001)
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# generate a txn using sendrawtransaction
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us0 = utxos.pop()
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inputs = [{"txid": us0["txid"], "vout": us0["vout"]}]
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outputs = {addr: 0.0001}
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tx = node.createrawtransaction(inputs, outputs)
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node.settxfee(min_relay_fee)
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txF = node.fundrawtransaction(tx)
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txFS = node.signrawtransactionwithwallet(txF["hex"])
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rpc_tx_hsh = node.sendrawtransaction(txFS["hex"])
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# check transactions are in unbroadcast using rpc
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mempoolinfo = self.nodes[0].getmempoolinfo()
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assert_equal(mempoolinfo['unbroadcastcount'], 2)
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mempool = self.nodes[0].getrawmempool(True)
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for tx in mempool:
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assert_equal(mempool[tx]['unbroadcast'], True)
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# check that second node doesn't have these two txns
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mempool = self.nodes[1].getrawmempool()
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assert rpc_tx_hsh not in mempool
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assert wallet_tx_hsh not in mempool
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# ensure that unbroadcast txs are persisted to mempool.dat
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self.restart_node(0)
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self.log.info("Reconnect nodes & check if they are sent to node 1")
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self.connect_nodes(0, 1)
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# fast forward into the future & ensure that the second node has the txns
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node.mockscheduler(MAX_INITIAL_BROADCAST_DELAY)
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self.sync_mempools(timeout=30)
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mempool = self.nodes[1].getrawmempool()
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assert rpc_tx_hsh in mempool
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assert wallet_tx_hsh in mempool
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# check that transactions are no longer in first node's unbroadcast set
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mempool = self.nodes[0].getrawmempool(True)
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for tx in mempool:
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assert_equal(mempool[tx]['unbroadcast'], False)
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self.log.info("Add another connection & ensure transactions aren't broadcast again")
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conn = node.add_p2p_connection(P2PTxInvStore())
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node.mockscheduler(MAX_INITIAL_BROADCAST_DELAY)
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time.sleep(2) # allow sufficient time for possibility of broadcast
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assert_equal(len(conn.get_invs()), 0)
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self.disconnect_nodes(0, 1)
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node.disconnect_p2ps()
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def test_txn_removal(self):
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self.log.info("Test that transactions removed from mempool are removed from unbroadcast set")
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node = self.nodes[0]
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# since the node doesn't have any connections, it will not receive
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# any GETDATAs & thus the transaction will remain in the unbroadcast set.
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addr = node.getnewaddress()
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txhsh = node.sendtoaddress(addr, 0.0001)
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# check transaction was removed from unbroadcast set due to presence in
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# a block
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removal_reason = "Removed {} from set of unbroadcast txns before confirmation that txn was sent out".format(txhsh)
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with node.assert_debug_log([removal_reason]):
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node.generate(1)
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if __name__ == "__main__":
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MempoolUnbroadcastTest().main()
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