storage: fix write-locking bug when a deadlock happens at the end of a replication
During rebase, writes could stay lockless although the partition was replicated. Another transaction could then take locks prematurely, leading to the following crash: Traceback (most recent call last): File "neo/lib/handler.py", line 72, in dispatch method(conn, *args, **kw) File "neo/storage/handlers/master.py", line 36, in notifyUnlockInformation self.app.tm.unlock(ttid) File "neo/storage/transactions.py", line 329, in unlock self.abort(ttid, even_if_locked=True) File "neo/storage/transactions.py", line 573, in abort not self._replicated.get(self.getPartition(oid))), x AssertionError: ('\x00\x00\x00\x00\x00\x03\x03v', '\x03\xca\xb44J\x13\x99\x88', '\x03\xca\xb44J\xe0\xdcU', {}, set(['\x00\x00\x00\x00\x00\x03\x03v']))
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