fix tx_fees wallet and other bug fixes to be compatible with electrum 0.6.2-master(0.6.3)

bal_wallet_utils.py

@@ -0,0 +1,61 @@
+#!env/bin/python3 
+#same as qt but for command line, useful if you are going to fix various wallet
+#also easier to read the code
+from electrum.storage import WalletStorage
+from electrum.util import MyEncoder
+import json
+import sys
+import getpass
+import os
+
+default_fees= 100
+
+def fix_will_settings_tx_fees(json_wallet):
+    tx_fees = json_wallet.get('will_settings',{}).get('tx_fees',False)
+    if tx_fees:
+        json_wallet['will_settings']['baltx_fees']=json_wallet.get('will_settings',{}).get('tx_fees',default_fees)
+        del json_wallet['will_settings']['tx_fees']
+        return True
+    return False
+
+def uninstall_bal(json_wallet):
+    del json_wallet['will_settings']
+    del json_wallet['will']
+    del json_wallet['heirs']
+    return True
+
+def save(json_wallet,storage):
+    human_readable=not storage.is_encrypted()
+    storage.write(json.dumps(
+            json_wallet,
+            indent=4 if human_readable else None,
+            sort_keys=bool(human_readable),
+            cls=MyEncoder,
+        ))   
+
+if __name__ == '__main__':
+    if len(sys.argv) <3:
+        print("usage: ./bal_wallet_utils <command> <wallet path>")
+        print("available commands: uninstall, fix")
+        exit(1)
+    if not os.path.exists(sys.argv[2]):
+        print("Error: wallet not found")
+        exit(1)
+    command = sys.argv[1]
+    path = sys.argv[2]
+
+    storage=WalletStorage(path)
+    if storage.is_encrypted():
+        password = getpass.getpass("Enter wallet password: ", stream = None)
+        storage.decrypt(password)
+    data=storage.read()
+    json_wallet=json.loads(data)
+    have_to_save=False
+    if command == 'fix':    
+        have_to_save = fix_will_settings_tx_fees(json_wallet)
+    if command == 'uninstall':
+        have_to_save = uninstall_bal(json_wallet)
+    if have_to_save:
+        save(json_wallet,storage)
+    else:
+        print("nothing to do")