Add eth initializer

cic/ext/eth/start.py

@@ -0,0 +1,21 @@
+# external imports
+from cic_eth_registry import CICRegistry
+from chainlib.eth.connection import RPCConnection
+
+
+def extension_start(network, *args, **kwargs):
+    CICRegistry.address = kwargs['registry_address']
+
+    RPCConnection.register_location(kwargs['rpc_provider'], kwargs['chain_spec'])
+    conn = RPCConnection.connect(kwargs['chain_spec'])
+
+    registry = CICRegistry(kwargs['chain_spec'], conn)
+
+    address_declarator = registry.by_name('AddressDeclarator')
+    network.resource_set('eth', 'address_declarator', address_declarator)
+
+    token_index = registry.by_name('TokenRegistry')
+    network.resource_set('eth', 'token_index', token_index)
+
+    network.set('eth', kwargs['chain_spec'])
+    network.save()