From 50fc4df6c4e8a84bdda13ade7bed7a2131796f00 Mon Sep 17 00:00:00 2001 From: Amiti Uttarwar Date: Tue, 17 Mar 2020 10:39:25 -0700 Subject: [mempool] Persist unbroadcast set to mempool.dat Ensure that the unbroadcast set will still be meaningful if the node is restarted. --- test/functional/mempool_persist.py | 40 +++++++++++++++++++++++++++++++++----- 1 file changed, 35 insertions(+), 5 deletions(-) (limited to 'test/functional/mempool_persist.py') diff --git a/test/functional/mempool_persist.py b/test/functional/mempool_persist.py index d3690b245e..f5e9c49648 100755 --- a/test/functional/mempool_persist.py +++ b/test/functional/mempool_persist.py @@ -40,10 +40,13 @@ import os import time from test_framework.test_framework import BitcoinTestFramework +from test_framework.mininode import P2PTxInvStore from test_framework.util import ( assert_equal, assert_greater_than_or_equal, assert_raises_rpc_error, + connect_nodes, + disconnect_nodes, wait_until, ) @@ -80,6 +83,11 @@ class MempoolPersistTest(BitcoinTestFramework): assert_greater_than_or_equal(tx_creation_time, tx_creation_time_lower) assert_greater_than_or_equal(tx_creation_time_higher, tx_creation_time) + # disconnect nodes & make a txn that remains in the unbroadcast set. + disconnect_nodes(self.nodes[0], 2) + self.nodes[0].sendtoaddress(self.nodes[2].getnewaddress(), Decimal("12")) + connect_nodes(self.nodes[0], 2) + self.log.debug("Stop-start the nodes. Verify that node0 has the transactions in its mempool and node1 does not. Verify that node2 calculates its balance correctly after loading wallet transactions.") self.stop_nodes() # Give this node a head-start, so we can be "extra-sure" that it didn't load anything later @@ -89,7 +97,7 @@ class MempoolPersistTest(BitcoinTestFramework): self.start_node(2) wait_until(lambda: self.nodes[0].getmempoolinfo()["loaded"], timeout=1) wait_until(lambda: self.nodes[2].getmempoolinfo()["loaded"], timeout=1) - assert_equal(len(self.nodes[0].getrawmempool()), 5) + assert_equal(len(self.nodes[0].getrawmempool()), 6) assert_equal(len(self.nodes[2].getrawmempool()), 5) # The others have loaded their mempool. If node_1 loaded anything, we'd probably notice by now: assert_equal(len(self.nodes[1].getrawmempool()), 0) @@ -105,9 +113,10 @@ class MempoolPersistTest(BitcoinTestFramework): self.nodes[2].syncwithvalidationinterfacequeue() # Flush mempool to wallet assert_equal(node2_balance, self.nodes[2].getbalance()) + # start node0 with wallet disabled so wallet transactions don't get resubmitted self.log.debug("Stop-start node0 with -persistmempool=0. Verify that it doesn't load its mempool.dat file.") self.stop_nodes() - self.start_node(0, extra_args=["-persistmempool=0"]) + self.start_node(0, extra_args=["-persistmempool=0", "-disablewallet"]) wait_until(lambda: self.nodes[0].getmempoolinfo()["loaded"]) assert_equal(len(self.nodes[0].getrawmempool()), 0) @@ -115,7 +124,7 @@ class MempoolPersistTest(BitcoinTestFramework): self.stop_nodes() self.start_node(0) wait_until(lambda: self.nodes[0].getmempoolinfo()["loaded"]) - assert_equal(len(self.nodes[0].getrawmempool()), 5) + assert_equal(len(self.nodes[0].getrawmempool()), 6) mempooldat0 = os.path.join(self.nodes[0].datadir, self.chain, 'mempool.dat') mempooldat1 = os.path.join(self.nodes[1].datadir, self.chain, 'mempool.dat') @@ -124,12 +133,12 @@ class MempoolPersistTest(BitcoinTestFramework): self.nodes[0].savemempool() assert os.path.isfile(mempooldat0) - self.log.debug("Stop nodes, make node1 use mempool.dat from node0. Verify it has 5 transactions") + self.log.debug("Stop nodes, make node1 use mempool.dat from node0. Verify it has 6 transactions") os.rename(mempooldat0, mempooldat1) self.stop_nodes() self.start_node(1, extra_args=[]) wait_until(lambda: self.nodes[1].getmempoolinfo()["loaded"]) - assert_equal(len(self.nodes[1].getrawmempool()), 5) + assert_equal(len(self.nodes[1].getrawmempool()), 6) self.log.debug("Prevent bitcoind from writing mempool.dat to disk. Verify that `savemempool` fails") # to test the exception we are creating a tmp folder called mempool.dat.new @@ -139,6 +148,27 @@ class MempoolPersistTest(BitcoinTestFramework): assert_raises_rpc_error(-1, "Unable to dump mempool to disk", self.nodes[1].savemempool) os.rmdir(mempooldotnew1) + self.test_persist_unbroadcast() + + def test_persist_unbroadcast(self): + node0 = self.nodes[0] + self.start_node(0) + + # clear out mempool + node0.generate(1) + + # disconnect nodes to make a txn that remains in the unbroadcast set. + disconnect_nodes(node0, 1) + node0.sendtoaddress(self.nodes[1].getnewaddress(), Decimal("12")) + + # shutdown, then startup with wallet disabled + self.stop_nodes() + self.start_node(0, extra_args=["-disablewallet"]) + + # check that txn gets broadcast due to unbroadcast logic + conn = node0.add_p2p_connection(P2PTxInvStore()) + node0.mockscheduler(16*60) # 15 min + 1 for buffer + wait_until(lambda: len(conn.get_invs()) == 1) if __name__ == '__main__': MempoolPersistTest().main() -- cgit v1.2.3