Allow nonce/fee setting not to be present in chainlib cli

chainlib/eth/cli.py

@@ -56,14 +56,26 @@ class Rpc(BaseRpc):
         super(Rpc, self).connect_by_config(config)
 
         if self.can_sign():
+            nonce = None
+            fee_price = None
+            fee_limit = None
+            try:
                 nonce = config.get('_NONCE')
+            except KeyError:
+                pass
             if nonce != None:
                 self.nonce_oracle = OverrideNonceOracle(self.get_sender_address(), nonce, id_generator=self.id_generator)
             else:
                 self.nonce_oracle = RPCNonceOracle(self.get_sender_address(), self.conn, id_generator=self.id_generator)
         
+            try:
                 fee_price = config.get('_FEE_PRICE')
+            except KeyError:
+                pass
+            try:
                 fee_limit = config.get('_FEE_LIMIT')
+            except KeyError:
+                pass
             if fee_price != None or fee_limit != None:
                 self.fee_oracle = OverrideGasOracle(price=fee_price, limit=fee_limit, conn=self.conn, id_generator=self.id_generator)
             else:

setup.cfg

@@ -1,6 +1,6 @@
 [metadata]
 name = chainlib-eth
-version = 0.0.9a3
+version = 0.0.9a4
 description = Ethereum implementation of the chainlib interface
 author = Louis Holbrook
 author_email = dev@holbrook.no