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test: add coverage for immediate orphanage eviction case

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Greg Sanders 2025-01-09 10:35:17 -05:00
parent 66aa6a47bd
commit 6836d42819
1 changed files with 25 additions and 0 deletions
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25
test/functional/p2p_orphan_handling.py
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@ -587,6 +587,30 @@ class OrphanHandlingTest(BitcoinTestFramework):
assert_equal(node.getmempoolentry(tx_child["txid"])["wtxid"], tx_child["wtxid"])
assert_equal(len(node.getorphantxs()), 0)
@cleanup
def test_immediately_erased_orphan(self):
self.log.info("Check that we fetch parents of an orphan, even if the orphan is not persisted in orphanage")
# Causes immediate eviction from the orphanage which normally happens randomly with
# 1/(DEFAULT_MAX_ORPHAN_TRANSACTIONS + 1) chance when orphanage is full
self.restart_node(0, extra_args=["-maxorphantx=0"])
tx_parent = self.wallet.create_self_transfer()
tx_child = self.wallet.create_self_transfer(utxo_to_spend=tx_parent["new_utxo"])
peer = self.nodes[0].add_p2p_connection(P2PInterface())
peer.send_message(msg_tx(tx_child["tx"]))
assert_equal(len(self.nodes[0].getorphantxs()),0)
parent_txid_int = int(tx_parent["txid"], 16)
self.nodes[0].bumpmocktime(GETDATA_TX_INTERVAL)
# parent fetched
peer.wait_for_getdata([parent_txid_int])
self.restart_node(0)
@cleanup
def test_max_orphan_amount(self):
self.log.info("Check that we never exceed our storage limits for orphans")
@ -635,6 +659,7 @@ class OrphanHandlingTest(BitcoinTestFramework):
self.generate(self.wallet_nonsegwit, 10)
self.wallet = MiniWallet(self.nodes[0])
self.generate(self.wallet, 160)
self.test_immediately_erased_orphan()
self.test_arrival_timing_orphan()
self.test_orphan_rejected_parents_exceptions()
self.test_orphan_multiple_parents()