From 9decd648ac0a1f7f525bca06cd42e0f6525b759a Mon Sep 17 00:00:00 2001 From: Suhas Daftuar Date: Mon, 7 Nov 2016 13:42:09 -0500 Subject: [PATCH] [qa] Relax assumptions on mempool behavior during reorg Policy limits (such as chain limits and mempool total size) could reasonably be enforced more aggressively during a reorg, so use resendwallettransactions to repopulate the mempool to avoid mined blocks being too small, and increase the chain limits from the default for this test. This is in preparation for a change in mempool behavior during a reorg. --- test/functional/pruning.py | 15 ++++++++++++--- 1 file changed, 12 insertions(+), 3 deletions(-) diff --git a/test/functional/pruning.py b/test/functional/pruning.py index 17019c658..7995e418c 100755 --- a/test/functional/pruning.py +++ b/test/functional/pruning.py @@ -34,10 +34,11 @@ class PruneTest(BitcoinTestFramework): # Create nodes 0 and 1 to mine. # Create node 2 to test pruning. + self.full_node_default_args = ["-maxreceivebuffer=20000","-blockmaxsize=999000", "-checkblocks=5", "-limitdescendantcount=100", "-limitdescendantsize=5000", "-limitancestorcount=100", "-limitancestorsize=5000" ] # Create nodes 3 and 4 to test manual pruning (they will be re-started with manual pruning later) # Create nodes 5 to test wallet in prune mode, but do not connect - self.extra_args = [["-maxreceivebuffer=20000", "-blockmaxsize=999000", "-checkblocks=5"], - ["-maxreceivebuffer=20000", "-blockmaxsize=999000", "-checkblocks=5"], + self.extra_args = [self.full_node_default_args, + self.full_node_default_args, ["-maxreceivebuffer=20000", "-prune=550"], ["-maxreceivebuffer=20000", "-blockmaxsize=999000"], ["-maxreceivebuffer=20000", "-blockmaxsize=999000"], @@ -97,12 +98,15 @@ class PruneTest(BitcoinTestFramework): # Node 2 stays connected, so it hears about the stale blocks and then reorg's when node0 reconnects # Stopping node 0 also clears its mempool, so it doesn't have node1's transactions to accidentally mine self.stop_node(0) - self.nodes[0]=start_node(0, self.options.tmpdir, ["-maxreceivebuffer=20000","-blockmaxsize=999000", "-checkblocks=5"], timewait=900) + self.nodes[0]=start_node(0, self.options.tmpdir, self.full_node_default_args, timewait=900) # Mine 24 blocks in node 1 for i in range(24): if j == 0: mine_large_block(self.nodes[1], self.utxo_cache_1) else: + # Add node1's wallet transactions back to the mempool, to + # avoid the mined blocks from being too small. + self.nodes[1].resendwallettransactions() self.nodes[1].generate(1) #tx's already in mempool from previous disconnects # Reorg back with 25 block chain from node 0 @@ -159,6 +163,11 @@ class PruneTest(BitcoinTestFramework): self.log.info("Usage possibly still high bc of stale blocks in block files: %d" % calc_usage(self.prunedir)) self.log.info("Mine 220 more blocks so we have requisite history (some blocks will be big and cause pruning of previous chain)") + + # Get node0's wallet transactions back in its mempool, to avoid the + # mined blocks from being too small. + self.nodes[0].resendwallettransactions() + for i in range(22): # This can be slow, so do this in multiple RPC calls to avoid # RPC timeouts.