Upgrade chainqueue

chaind/adapters/fs.py

@@ -90,12 +90,19 @@ class ChaindFsAdapter(ChaindAdapter):
     def succeed(self, block, tx):
         if self.store.is_reserved(tx.hash):
             raise QueueLockError(tx.hash)
-
-        return self.store.final(tx.hash, block, tx, error=False)
+        r = self.store.final(tx.hash, block, tx, error=False)
+        (k, v) = self.store.get(tx.hash)
+        self.store.purge(k)
+        return r
 
 
     def fail(self, block, tx):
-        return self.store.final(tx.hash, block, tx, error=True)
+        if self.store.is_reserved(tx.hash):
+            raise QueueLockError(tx.hash)
+        r = self.store.final(tx.hash, block, tx, error=True)
+        (k, v) = self.store.get(tx.hash)
+        self.store.purge(k)
+        return r
 
 
     def sendfail(self):

chaind/lock.py

@@ -0,0 +1,34 @@
+# standard imports
+import time
+
+# local imports
+from .error import BackendError
+
+BASE_DELAY = 0.01
+BASE_DELAY_LIMIT = 3.0
+
+
+class StoreLock:
+
+    def __init__(self, delay=BASE_DELAY, delay_limit=BASE_DELAY_LIMIT, error=BackendError, description=None):
+        self.base_delay = delay
+        self.delay = delay
+        self.delay_limit = delay_limit
+        self.error = error
+        self.description = description
+
+    
+    def again(self, e=None):
+        if self.delay > self.delay_limit:
+            err = None
+            if e != None:
+                err = str(e)
+            else:
+                err = self.description
+            raise self.error(err)
+        time.sleep(self.delay)
+        self.delay *= 2
+
+
+    def reset(self):
+        self.delay = self.base_delay

chaind/unittest/common.py

@@ -29,8 +29,6 @@ class MockDispatcher:
 
 
     def send(self, v):
-        import sys
-        sys.stderr.write('susu v {} {}\n'.format(v, self.fails))
         if v in self.fails:
             raise RPCException('{} is in fails'.format(v))
         pass

requirements.txt

@@ -1,5 +1,5 @@
 chainlib~=0.1.1
-chainqueue~=0.1.8
+chainqueue~=0.1.9
 chainsyncer~=0.4.3
 confini~=0.6.0
 funga~=0.5.2

setup.cfg

@@ -1,6 +1,6 @@
 [metadata]
 name = chaind
-version = 0.2.2
+version = 0.2.3
 description = Base package for chain queue service
 author = Louis Holbrook
 author_email = dev@holbrook.no