112 lines
4.4 KiB
Python
112 lines
4.4 KiB
Python
#!/usr/bin/env python3
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# Copyright (c) 2017-2022 The Moneyrocket 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 MoneyrocketTestFramework
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from test_framework.util import assert_equal
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from test_framework.wallet import MiniWallet
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MAX_INITIAL_BROADCAST_DELAY = 15 * 60 # 15 minutes in seconds
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class MempoolUnbroadcastTest(MoneyrocketTestFramework):
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def add_options(self, parser):
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self.add_wallet_options(parser)
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def set_test_params(self):
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self.num_nodes = 2
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def run_test(self):
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self.wallet = MiniWallet(self.nodes[0])
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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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self.disconnect_nodes(0, 1)
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self.log.info("Generate transactions that only node 0 knows about")
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if self.is_wallet_compiled():
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self.import_deterministic_coinbase_privkeys()
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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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txFS = self.wallet.create_self_transfer()
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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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unbroadcast_count = 1
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if self.is_wallet_compiled():
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unbroadcast_count += 1
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assert_equal(mempoolinfo['unbroadcastcount'], unbroadcast_count)
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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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if self.is_wallet_compiled():
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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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if self.is_wallet_compiled():
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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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self.log.info("Rebroadcast transaction and ensure it is not added to unbroadcast set when already in mempool")
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rpc_tx_hsh = node.sendrawtransaction(txFS["hex"])
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assert not node.getmempoolentry(rpc_tx_hsh)['unbroadcast']
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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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txhsh = self.wallet.send_self_transfer(from_node=node)["txid"]
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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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self.generate(node, 1, sync_fun=self.no_op)
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if __name__ == "__main__":
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MempoolUnbroadcastTest().main()
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