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[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.
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@ -34,10 +34,11 @@ class PruneTest(BitcoinTestFramework):
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# Create nodes 0 and 1 to mine.
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# Create node 2 to test pruning.
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self.full_node_default_args = ["-maxreceivebuffer=20000","-blockmaxsize=999000", "-checkblocks=5", "-limitdescendantcount=100", "-limitdescendantsize=5000", "-limitancestorcount=100", "-limitancestorsize=5000" ]
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# Create nodes 3 and 4 to test manual pruning (they will be re-started with manual pruning later)
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# Create nodes 5 to test wallet in prune mode, but do not connect
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self.extra_args = [["-maxreceivebuffer=20000", "-blockmaxsize=999000", "-checkblocks=5"],
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["-maxreceivebuffer=20000", "-blockmaxsize=999000", "-checkblocks=5"],
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self.extra_args = [self.full_node_default_args,
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self.full_node_default_args,
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["-maxreceivebuffer=20000", "-prune=550"],
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["-maxreceivebuffer=20000", "-blockmaxsize=999000"],
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["-maxreceivebuffer=20000", "-blockmaxsize=999000"],
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@ -97,12 +98,15 @@ class PruneTest(BitcoinTestFramework):
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# Node 2 stays connected, so it hears about the stale blocks and then reorg's when node0 reconnects
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# Stopping node 0 also clears its mempool, so it doesn't have node1's transactions to accidentally mine
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self.stop_node(0)
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self.nodes[0]=start_node(0, self.options.tmpdir, ["-maxreceivebuffer=20000","-blockmaxsize=999000", "-checkblocks=5"], timewait=900)
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self.nodes[0]=start_node(0, self.options.tmpdir, self.full_node_default_args, timewait=900)
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# Mine 24 blocks in node 1
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for i in range(24):
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if j == 0:
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mine_large_block(self.nodes[1], self.utxo_cache_1)
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else:
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# Add node1's wallet transactions back to the mempool, to
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# avoid the mined blocks from being too small.
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self.nodes[1].resendwallettransactions()
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self.nodes[1].generate(1) #tx's already in mempool from previous disconnects
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# Reorg back with 25 block chain from node 0
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@ -159,6 +163,11 @@ class PruneTest(BitcoinTestFramework):
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self.log.info("Usage possibly still high bc of stale blocks in block files: %d" % calc_usage(self.prunedir))
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self.log.info("Mine 220 more blocks so we have requisite history (some blocks will be big and cause pruning of previous chain)")
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# Get node0's wallet transactions back in its mempool, to avoid the
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# mined blocks from being too small.
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self.nodes[0].resendwallettransactions()
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for i in range(22):
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# This can be slow, so do this in multiple RPC calls to avoid
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# RPC timeouts.
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