Merge bitcoin/bitcoin#26314: test: perturb anchors.dat to test error during initialization

33fdfc7986455191df8ce339261bc0561115cf7f test: perturb anchors.dat to test it doesn't throw an error during initialization (brunoerg)

Pull request description:

  Got some inspiration from `feature_init`. This PR tests whether perturbing `anchors.dat` doesn't throw any error during initialization.

  3f1f5f6f1e/src/addrdb.cpp (L223-L235)

ACKs for top commit:
  MarcoFalke:
    lgtm ACK 33fdfc7986455191df8ce339261bc0561115cf7f

Tree-SHA512: e6584debb37647677581fda08366b45b42803022cc4c4f1d5a7bd5e9e04d64da77656dad2b804855337487bdcfc891f300a2e03668d6122de769dd14f39af9ed
This commit is contained in:
fanquake 2023-04-27 10:20:12 +01:00 committed by pasta
parent 3306f96d80
commit f725ed509a
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@ -62,17 +62,25 @@ class AnchorsTest(BitcoinTestFramework):
self.log.info("Check the addresses in anchors.dat")
with open(node_anchors_path, "rb") as file_handler:
anchors = file_handler.read().hex()
anchors = file_handler.read()
anchors_hex = anchors.hex()
for port in block_relay_nodes_port:
ip_port = ip + port
assert ip_port in anchors
assert ip_port in anchors_hex
for port in inbound_nodes_port:
ip_port = ip + port
assert ip_port not in anchors
assert ip_port not in anchors_hex
self.log.info("Start node")
self.start_node(0)
self.log.info("Perturb anchors.dat to test it doesn't throw an error during initialization")
with self.nodes[0].assert_debug_log(["0 block-relay-only anchors will be tried for connections."]):
with open(node_anchors_path, "wb") as out_file_handler:
tweaked_contents = bytearray(anchors)
tweaked_contents[20:20] = b'1'
out_file_handler.write(bytes(tweaked_contents))
self.log.info("Start node")
self.start_node(0)
self.log.info("When node starts, check if anchors.dat doesn't exist anymore")
assert not os.path.exists(node_anchors_path)