message: test: Add edge case of pruning up to index height
diff: @@ -24,9 +24,7 @@ class FeatureBlockfilterindexPruneTest(BitcoinTestFramework):
  self.log.info("check if we can access a blockfilter when pruning is enabled but no blocks are actually pruned")
  self.sync_index(height=200)
  assert_greater_than(len(self.nodes[0].getblockfilter(self.nodes[0].getbestblockhash())['filter']), 0)
  - # Mine two batches of blocks to avoid hitting NODE_NETWORK_LIMITED_MIN_BLOCKS disconnection
  - self.generate(self.nodes[0], 250)
  - self.generate(self.nodes[0], 250)
  + self.generate(self.nodes[0], 500)
  self.sync_index(height=700)
  self.log.info("prune some blocks")
  @@ -39,16 +37,29 @@ class FeatureBlockfilterindexPruneTest(BitcoinTestFramework):
  self.log.info("check if we can access the blockfilter of a pruned block")
  assert_greater_than(len(self.nodes[0].getblockfilter(self.nodes[0].getblockhash(2))['filter']), 0)
  + # mine and sync index up to a height that will later be the pruneheight
  + self.generate(self.nodes[0], 298)
  + self.sync_index(height=998)
  +
  self.log.info("start node without blockfilterindex")
  self.restart_node(0, extra_args=["-fastprune", "-prune=1"])
  self.log.info("make sure accessing the blockfilters throws an error")
  assert_raises_rpc_error(-1, "Index is not enabled for filtertype basic", self.nodes[0].getblockfilter, self.nodes[0].getblockhash(2))
  - self.generate(self.nodes[0], 1000)
  + self.generate(self.nodes[0], 502)
  +
  + self.log.info("prune exactly up to the blockfilterindexes best block while blockfilters are disabled")
  + pruneheight_2 = self.nodes[0].pruneblockchain(1000)
  + assert_equal(pruneheight_2, 998)
  + self.restart_node(0, extra_args=["-fastprune", "-prune=1", "-blockfilterindex=1"])
  + self.log.info("make sure that we can continue with the partially synced index after having pruned up to the index height")
  + self.sync_index(height=1500)
  self.log.info("prune below the blockfilterindexes best block while blockfilters are disabled")
  - pruneheight_new = self.nodes[0].pruneblockchain(1000)
  - assert_greater_than(pruneheight_new, pruneheight)
  + self.restart_node(0, extra_args=["-fastprune", "-prune=1"])
  + self.generate(self.nodes[0], 1000)
  + pruneheight_3 = self.nodes[0].pruneblockchain(2000)
  + assert_greater_than(pruneheight_3, pruneheight_2)
  self.stop_node(0)
  self.log.info("make sure we get an init error when starting the node again with block filters")
  