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Merge bitcoin/bitcoin#34852: test: Fix intermittent issue in feature_assumeutxo.py

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faf71d6cb4 test: [refactor] Use verbosity=0 named arg (MarcoFalke)
99996f6c06 test: Fix intermittent issue in feature_assumeutxo.py (MarcoFalke)

Pull request description:

  The test has many issues:

  * It fails intermittently, due to the use of `-stopatheight` (https://github.com/bitcoin/bitcoin/issues/33635)
  * Using `-stopatheight` is expensive, because it requires two restarts, making the test slow

  Fix all issues by using `dumb_sync_blocks` and avoid the two restarts.

  Fixes https://github.com/bitcoin/bitcoin/issues/33635

  Diff to test:

  ```diff
  diff --git a/src/util/tokenpipe.cpp b/src/util/tokenpipe.cpp
  index c982fa6fc4..1dc12ea1d5 100644
  --- a/src/util/tokenpipe.cpp
  +++ b/src/util/tokenpipe.cpp
  @@ -4,2 +4,3 @@
   #include <util/tokenpipe.h>
  +#include <util/time.h>

  @@ -60,2 +61,3 @@ int TokenPipeEnd::TokenRead()
           ssize_t result = read(m_fd, &token, 1);
  +        UninterruptibleSleep(999ms);
           if (result < 0) {
  ```

  On master: Test fails
  On this pull: Test passes

ACKs for top commit:
  fjahr:
    Code review ACK faf71d6cb4
  sedited:
    ACK faf71d6cb4

Tree-SHA512: 8f7705d2b3f17881134d6e696207fe6710d7c4766f1b74edf5a40b4a6eb5e0f4b12be1adfabe56934d27abc46e789437526bcdd26e4f8172f41a11bc6bed8605
This commit is contained in:
merge-script
2026-03-19 14:04:18 +08:00
parent d81b562fca faf71d6cb4
commit 81bf3ebff7
2 changed files with 6 additions and 18 deletions
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22
test/functional/feature_assumeutxo.py
View File

@@ -38,6 +38,7 @@ from test_framework.util import (
assert_equal,
assert_not_equal,
assert_raises_rpc_error,
dumb_sync_blocks,
ensure_for,
sha256sum_file,
try_rpc,
@@ -631,30 +632,17 @@ class AssumeutxoTest(BitcoinTestFramework):
PAUSE_HEIGHT = FINAL_HEIGHT - 40
self.log.info("Restarting node to stop at height %d", PAUSE_HEIGHT)
self.restart_node(1, extra_args=[
f"-stopatheight={PAUSE_HEIGHT}", *self.extra_args[1]])
# Upon restart during snapshot tip sync, the node must remain in 'limited' mode.
self.log.info(f"Sync node up to height {PAUSE_HEIGHT}")
# During snapshot tip sync, the node must remain in 'limited' mode.
self.assert_only_network_limited_service(n1)
# Finally connect the nodes and let them sync.
#
# Set `wait_for_connect=False` to avoid a race between performing connection
# assertions and the -stopatheight tripping.
self.connect_nodes(0, 1, wait_for_connect=False)
n1.wait_until_stopped(timeout=5)
dumb_sync_blocks(src=n0, dst=n1, height=PAUSE_HEIGHT)
self.log.info("Checking that blocks are segmented on disk")
assert self.has_blockfile(n1, "00000"), "normal blockfile missing"
assert self.has_blockfile(n1, "00001"), "assumed blockfile missing"
assert not self.has_blockfile(n1, "00002"), "too many blockfiles"
self.log.info("Restarted node before snapshot validation completed, reloading...")
self.restart_node(1, extra_args=self.extra_args[1])
# Upon restart, the node must remain in 'limited' mode
# The node must remain in 'limited' mode
self.assert_only_network_limited_service(n1)
# Send snapshot block to n1 out of order. This makes the test less

2
test/functional/test_framework/util.py
View File

@@ -729,7 +729,7 @@ def dumb_sync_blocks(*, src, dst, height=None):
height = height or src.getblockcount()
for i in range(dst.getblockcount() + 1, height + 1):
block_hash = src.getblockhash(i)
block = src.getblock(blockhash=block_hash, verbose=0)
block = src.getblock(blockhash=block_hash, verbosity=0)
dst.submitblock(block)
assert_equal(dst.getblockcount(), height)