From af39a6039525c9e33224af36767d3b51a4a8a744 Mon Sep 17 00:00:00 2001
From: poka <poka@p2p.legal>
Date: Fri, 13 Nov 2020 21:18:50 +0100
Subject: [PATCH] Check users var

---
 README.md | 10 +++++++++-
 pay.py    | 10 +++++++++-
 2 files changed, 18 insertions(+), 2 deletions(-)

diff --git a/README.md b/README.md
index 0b71a92..ec7050f 100644
--- a/README.md
+++ b/README.md
@@ -1,6 +1,14 @@
 ## Just a few GVA examples usage in python.
 
-Exemple:
+**Requierement**:
+```
+pip3 install --pre gql
+chmod u+x pay.py
+```
+
+### Usage exemple:
+
+**Send a payment**:
 ```
 ./pay.py Do99s6wQR2JLfhirPdpAERSjNbmjjECzGxHNJMiNKT3P 314 "Merci pour la pipe"
 ```
diff --git a/pay.py b/pay.py
index b93443a..c06b78d 100755
--- a/pay.py
+++ b/pay.py
@@ -1,11 +1,19 @@
 #!/usr/bin/env python3
 
-import sys
+import sys, os.path
+from shutil import copyfile
+if not os.path.isfile("userEnv.py"):
+  copyfile("userEnv.py.template", "userEnv.py")
+
 from userEnv import issuer, dunikey, node
 from natools import fmt, sign, get_privkey
 from gql import gql, Client
 from gql.transport.aiohttp import AIOHTTPTransport
 
+if not (issuer) or not (dunikey):
+  print("Please set your pubkey and path to you pubsec keychain in userEnv.py file.")
+  sys.exit(1)
+
 # Define Duniter GVA node
 transport = AIOHTTPTransport(url=node)
 client = Client(transport=transport, fetch_schema_from_transport=True)