Add upcoming getter

chainqueue/adapters/base.py

@@ -0,0 +1,13 @@
+
+class Adapter:
+
+    def __init__(self, backend):
+        self.backend = backend
+
+
+    def process(self, chain_spec):
+        raise NotImplementedEror()
+
+
+    def add(self, chain_spec, bytecode):
+        raise NotImplementedEror()

chainqueue/adapters/eth.py

@@ -1,21 +1,49 @@
 # external imports
+from chainlib.eth.constant import ZERO_ADDRESS
 from chainlib.eth.tx import (
         unpack,
         )
-from hexathon import add_0x
+from hexathon import (
+        add_0x,
+        strip_0x,
+        )
 
 # local imports
+from chainqueue.adapters.base import Adapter
+from chainqueue.enum import StatusBits
 
 
-class EthAdapter:
+class EthAdapter(Adapter):
 
-    def __init__(self, backend):
-        self.backend = backend
+
+    def translate(self, chain_spec, bytecode):
+        tx = unpack(bytecode, chain_spec)
+        tx['source_token'] = ZERO_ADDRESS
+        tx['destination_token'] = ZERO_ADDRESS
+        tx['from_value'] = tx['value']
+        tx['to_value'] = tx['value']
+        return tx
 
 
     def add(self, chain_spec, bytecode):
-        tx = unpack(bytecode, chain_spec)
+        tx = self.translate(chain_spec, bytecode)
+        session = self.backend.create_session()
+        r = self.backend.create(chain_spec, tx['nonce'], tx['from'], tx['hash'], add_0x(bytecode.hex()), session=session)
+        if r:
+            session.rollback()
+            session.close()
+            return r
+        r = self.backend.cache(tx, session=session)
+        session.commit()
+        session.close()
+        return r
+
+
+    def cache(self, chain_spec):
         session = self.backend.create_session()
         r = self.backend.create(chain_spec, tx['nonce'], tx['from'], tx['hash'], add_0x(bytecode.hex()), session=session)
         session.close()
-        return r
+
+
+    def process(self, chain_spec):
+        return self.backend.get(chain_spec, StatusBits.QUEUED, unpack)