add nonce parameter

parse.py

@@ -489,8 +489,7 @@ def do_custodial_token_transfer(transfer):
             transfer = response.json()
             return transfer["result"]["trackingId"]
         else:
-            print("Error:", response.json)
-        return None
+            return None
     except requests.exceptions.RequestException as e:
         print("Error:", e)
         return None
@@ -726,6 +725,8 @@ def voucher_transfer_handler(cmd):
 
 def voucher_mint_handler(cmd):
     value = cmd.v
+    master_address =  w3.eth.account.from_key(master_private_key)
+    nonce = w3.eth.get_transaction_count(master_address.address,'pending')
     if str(cmd.t).startswith("NameAgent"):
         key_name = str(cmd.t).split(":")[1]
         custodial_address = find_custodial_address(key_name)
@@ -770,6 +771,7 @@ def voucher_mint_handler(cmd):
     command = (
         f"cast send --private-key  {privatekey} "
         f"--rpc-url {rpc} "
+        f"--nonce {nonce} "
         f" {s} "
         f'"mintTo(address,uint256)" {to} {value}'
         f" --json "