feat(wizard): add ability to select wallet address

cic/ext/eth/__init__.py

@@ -18,7 +18,7 @@ from giftable_erc20_token import GiftableToken
 from hexathon import add_0x, strip_0x
 
 # local imports
-from cic.ext.eth.rpc import parse_adapter
+from cic.ext.eth.rpc import parse_adapter, list_keys
 from cic.extension import Extension
 
 

cic/ext/eth/rpc.py

@@ -52,3 +52,17 @@ def parse_adapter(config, signer_hint):
     rpc.connect_by_config(config)
 
     return (rpc.conn, signer)
+
+# TODO Find a better place for this
+def list_keys(config, signer_hint):
+    keystore = None
+    if signer_hint is None:
+        logg.info("signer hint missing")
+        return None
+    st = os.stat(signer_hint)
+    if stat.S_ISDIR(st.st_mode):
+        logg.debug("signer hint is directory")
+        keystore = EthKeystoreDirectory()
+        keystore.process_dir(signer_hint, default_password=config.get('WALLET_PASSPHRASE', ''))
+        
+    return keystore.list()