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Merge #9136: sync_blocks cleanup

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7943b13 [qa] Avoid 2 list comprehensions in sync_blocks (Russell Yanofsky)
05e57cc [qa] Fix sync_blocks timeout argument (Russell Yanofsky)
fd6bb70 [qa] Improve sync_blocks error messages. (Russell Yanofsky)
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MarcoFalke 2016-11-14 20:27:28 +01:00
commit b422913346
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1 changed files with 14 additions and 7 deletions
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21
qa/rpc-tests/test_framework/util.py
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@ -123,19 +123,26 @@ def str_to_b64str(string):
def sync_blocks(rpc_connections, *, wait=1, timeout=60):
"""
Wait until everybody has the same tip
Wait until everybody has the same tip.
sync_blocks needs to be called with an rpc_connections set that has least
one node already synced to the latest, stable tip, otherwise there's a
chance it might return before all nodes are stably synced.
"""
maxheight = 0
while timeout > 0:
start_time = cur_time = time.time()
while cur_time <= start_time + timeout:
tips = [r.waitforblockheight(maxheight, int(wait * 1000)) for r in rpc_connections]
heights = [t["height"] for t in tips]
if tips == [tips[0]] * len(tips):
if all(t == tips[0] for t in tips):
return
if heights == [heights[0]] * len(heights):
raise AssertionError("Block sync failed: (Hashes don't match)")
timeout -= wait
if all(h == heights[0] for h in heights):
raise AssertionError("Block sync failed, mismatched block hashes:{}".format(
"".join("\n {!r}".format(tip) for tip in tips)))
maxheight = max(heights)
raise AssertionError("Block sync failed with heights: {}".format(heights))
cur_time = time.time()
raise AssertionError("Block sync to height {} timed out:{}".format(
maxheight, "".join("\n {!r}".format(tip) for tip in tips)))
def sync_chain(rpc_connections, *, wait=1, timeout=60):
"""