Create user.py

blockchain_integration/pi_network/pi-stablecoin/services/user.py

@@ -0,0 +1,19 @@
+from models import User
+
+class UserService:
+  def __init__(self):
+    self.users = []
+
+  def get_users(self):
+    return self.users
+
+  def add_user(self, user):
+    self.users.append(user)
+    return self.users
+
+  def validate_user(self, user):
+    if user.username == "":
+      return False
+    if user.password == "":
+      return False
+    return True