Ensure 1 IT1 application per user.

ecosystem/platform/server/app/controllers/application_controller.rb

@@ -18,12 +18,11 @@ def set_csrf_cookie
   end
 
   def after_sign_in_path_for(user)
-    stored_location_for(user) ||
-      if user.email.nil?
-        onboarding_email_path
-      else
-        overview_index_path
-      end
+    if user.email.nil?
+      onboarding_email_path
+    else
+      stored_location_for(user) || overview_index_path
+    end
   end
 
   def admin_access_denied(_exception)

ecosystem/platform/server/app/controllers/it1_profiles_controller.rb

@@ -6,6 +6,7 @@ class It1ProfilesController < ApplicationController
 
   # GET /it1_profiles/new
   def new
+    redirect_to overview_index_path if current_user.it1_profile.present?
     @it1_profile = It1Profile.new
   end
 

ecosystem/platform/server/app/controllers/welcome_controller.rb

@@ -1,7 +1,9 @@
 # frozen_string_literal: true
 
 class WelcomeController < ApplicationController
-  def index; end
+  def index
+    redirect_to overview_index_path if user_signed_in?
+  end
 
   def it1; end
 end

ecosystem/platform/server/app/models/it1_profile.rb

@@ -2,6 +2,7 @@
 
 class It1Profile < ApplicationRecord
   belongs_to :user
+  validates :user_id, uniqueness: true
 
   validates :consensus_key, presence: true, uniqueness: true, format: { with: /\A0x[a-f0-9]{64}\z/i }
   validates :account_key, presence: true, uniqueness: true, format: { with: /\A0x[a-f0-9]{64}\z/i }

ecosystem/platform/server/db/migrate/20220506185917_create_it1_profiles.rb

@@ -3,10 +3,10 @@
 class CreateIt1Profiles < ActiveRecord::Migration[7.0]
   def change
     create_table :it1_profiles do |t|
-      t.references :user, null: false, foreign_key: true
-      t.string :consensus_key
-      t.string :account_key
-      t.string :network_key
+      t.references :user, null: false, foreign_key: true, unique: true
+      t.string :consensus_key, unique: true
+      t.string :account_key, unique: true
+      t.string :network_key, unique: true
       t.string :validator_address
       t.integer :validator_port
       t.integer :metrics_port