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test: verify createNewBlock wakes promptly when tip advances

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This adds a complementary test to interface_ipc_mining.py to ensure
that createNewBlock() wakes up immediately once submitblock advances
the tip, rather than needlessly waiting for the cooldown timer to
expire on its own.
This commit is contained in:
Enoch Azariah
2026-03-04 00:25:51 +01:00
parent bf9ef4f043
commit 4ada575d6c
1 changed files with 19 additions and 0 deletions
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19
test/functional/interface_ipc_mining.py
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@@ -199,6 +199,25 @@ class IPCMiningTest(BitcoinTestFramework):
# spurious failures.
assert_greater_than_or_equal(time.time() - start, 0.9)
self.log.debug("createNewBlock() should wake up promptly after tip advances")
success = False
duration = 0.0
async def wait_fn():
nonlocal success, duration
start = time.time()
res = await mining.createNewBlock(ctx, self.default_block_create_options)
duration = time.time() - start
success = res._has("result")
def do_fn():
block_hex = self.nodes[1].getblock(node1_block_hash, False)
self.nodes[0].submitblock(block_hex)
await wait_and_do(wait_fn(), do_fn)
assert_equal(success, True)
if self.options.timeout_factor <= 1:
assert duration < 3.0, f"createNewBlock took {duration:.2f}s, did not wake up promptly after tip advances"
else:
self.log.debug("Skipping strict wake-up duration check because timeout_factor > 1")
self.log.debug("interrupt() should abort createNewBlock() during cooldown")
async def create_block():
result = await mining.createNewBlock(ctx, self.default_block_create_options)