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129 lines
6.0 KiB
129 lines
6.0 KiB
#!/usr/bin/env python3
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# Copyright (c) 2017-2022 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 wallet resends transactions periodically."""
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import time
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from test_framework.blocktools import (
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create_block,
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create_coinbase,
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)
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from test_framework.messages import DEFAULT_MEMPOOL_EXPIRY_HOURS
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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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assert_raises_rpc_error,
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)
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class ResendWalletTransactionsTest(BitcoinTestFramework):
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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 = 1
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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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node = self.nodes[0] # alias
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peer_first = node.add_p2p_connection(P2PTxInvStore())
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self.log.info("Create a new transaction and wait until it's broadcast")
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parent_utxo, indep_utxo = node.listunspent()[:2]
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addr = node.getnewaddress()
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txid = node.send(outputs=[{addr: 1}], options={"inputs": [parent_utxo]})["txid"]
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# Can take a few seconds due to transaction trickling
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peer_first.wait_for_broadcast([txid])
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# Add a second peer since txs aren't rebroadcast to the same peer (see m_tx_inventory_known_filter)
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peer_second = node.add_p2p_connection(P2PTxInvStore())
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self.log.info("Create a block")
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# Create and submit a block without the transaction.
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# Transactions are only rebroadcast if there has been a block at least five minutes
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# after the last time we tried to broadcast. Use mocktime and give an extra minute to be sure.
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block_time = int(time.time()) + 6 * 60
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node.setmocktime(block_time)
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block = create_block(int(node.getbestblockhash(), 16), create_coinbase(node.getblockcount() + 1), block_time)
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block.solve()
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node.submitblock(block.serialize().hex())
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# Set correct m_best_block_time, which is used in ResubmitWalletTransactions
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node.syncwithvalidationinterfacequeue()
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now = int(time.time())
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# Transaction should not be rebroadcast within first 12 hours
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# Leave 2 mins for buffer
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twelve_hrs = 12 * 60 * 60
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two_min = 2 * 60
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node.setmocktime(now + twelve_hrs - two_min)
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node.mockscheduler(60) # Tell scheduler to call MaybeResendWalletTxs now
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assert_equal(int(txid, 16) in peer_second.get_invs(), False)
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self.log.info("Bump time & check that transaction is rebroadcast")
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# Transaction should be rebroadcast approximately 24 hours in the future,
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# but can range from 12-36. So bump 36 hours to be sure.
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with node.assert_debug_log(['resubmit 1 unconfirmed transactions']):
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node.setmocktime(now + 36 * 60 * 60)
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# Tell scheduler to call MaybeResendWalletTxs now.
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node.mockscheduler(60)
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# Give some time for trickle to occur
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node.setmocktime(now + 36 * 60 * 60 + 600)
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peer_second.wait_for_broadcast([txid])
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self.log.info("Chain of unconfirmed not-in-mempool txs are rebroadcast")
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# This tests that the node broadcasts the parent transaction before the child transaction.
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# To test that scenario, we need a method to reliably get a child transaction placed
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# in mapWallet positioned before the parent. We cannot predict the position in mapWallet,
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# but we can observe it using listreceivedbyaddress and other related RPCs.
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#
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# So we will create the child transaction, use listreceivedbyaddress to see what the
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# ordering of mapWallet is, if the child is not before the parent, we will create a new
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# child (via bumpfee) and remove the old child (via removeprunedfunds) until we get the
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# ordering of child before parent.
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child_txid = node.send(outputs=[{addr: 0.5}], options={"inputs": [{"txid":txid, "vout":0}]})["txid"]
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while True:
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txids = node.listreceivedbyaddress(minconf=0, address_filter=addr)[0]["txids"]
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if txids == [child_txid, txid]:
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break
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bumped = node.bumpfee(child_txid)
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# The scheduler queue creates a copy of the added tx after
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# send/bumpfee and re-adds it to the wallet (undoing the next
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# removeprunedfunds). So empty the scheduler queue:
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node.syncwithvalidationinterfacequeue()
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node.removeprunedfunds(child_txid)
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child_txid = bumped["txid"]
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entry_time = node.getmempoolentry(child_txid)["time"]
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block_time = entry_time + 6 * 60
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node.setmocktime(block_time)
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block = create_block(int(node.getbestblockhash(), 16), create_coinbase(node.getblockcount() + 1), block_time)
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block.solve()
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node.submitblock(block.serialize().hex())
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# Set correct m_best_block_time, which is used in ResubmitWalletTransactions
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node.syncwithvalidationinterfacequeue()
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# Evict these txs from the mempool
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evict_time = block_time + 60 * 60 * DEFAULT_MEMPOOL_EXPIRY_HOURS + 5
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node.setmocktime(evict_time)
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indep_send = node.send(outputs=[{node.getnewaddress(): 1}], options={"inputs": [indep_utxo]})
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node.getmempoolentry(indep_send["txid"])
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assert_raises_rpc_error(-5, "Transaction not in mempool", node.getmempoolentry, txid)
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assert_raises_rpc_error(-5, "Transaction not in mempool", node.getmempoolentry, child_txid)
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# Rebroadcast and check that parent and child are both in the mempool
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with node.assert_debug_log(['resubmit 2 unconfirmed transactions']):
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node.setmocktime(evict_time + 36 * 60 * 60) # 36 hrs is the upper limit of the resend timer
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node.mockscheduler(60)
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node.getmempoolentry(txid)
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node.getmempoolentry(child_txid)
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if __name__ == '__main__':
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ResendWalletTransactionsTest().main()
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