refactor container start process, setup wallet secrets

wowstash/blueprints/wallet/routes.py

@@ -39,6 +39,10 @@ def dashboard():
         username=current_user.id,
         password=current_user.wallet_password
     )
+    if not docker.container_exists(current_user.wallet_container):
+        current_user.clear_wallet_data()
+        return redirect(url_for('wallet.loading'))
+
     if not wallet.connected:
         return redirect(url_for('wallet.loading'))
 
@@ -51,6 +55,9 @@ def dashboard():
     qr_uri = f'wownero:{address}?tx_description={current_user.email}'
     address_qr = qrcode_make(qr_uri).save(_address_qr)
     qrcode = b64encode(_address_qr.getvalue()).decode()
+    seed = wallet.seed()
+    spend_key = wallet.spend_key()
+    view_key = wallet.view_key()
     return render_template(
         'wallet/dashboard.html',
         transfers=all_transfers,
@@ -58,7 +65,10 @@ def dashboard():
         address=address,
         qrcode=qrcode,
         send_form=send_form,
-        user=current_user
+        user=current_user,
+        seed=seed,
+        spend_key=spend_key,
+        view_key=view_key,
     )
 
 @wallet_bp.route('/wallet/connect')

wowstash/library/docker.py

@@ -1,5 +1,5 @@
 from docker import from_env, APIClient
-from docker.errors import NotFound
+from docker.errors import NotFound, NullResource, APIError
 from socket import socket
 from wowstash import config
 from wowstash.models import User
@@ -42,6 +42,7 @@ class Docker(object):
 
     def start_wallet(self, user_id):
         u = User.query.get(user_id)
+        container_name = f'start_wallet_{u.id}'
         command = f"""wownero-wallet-rpc \
         --non-interactive \
         --rpc-bind-port {self.listen_port} \
@@ -54,24 +55,29 @@ class Docker(object):
         --daemon-login {config.DAEMON_USER}:{config.DAEMON_PASS} \
         --log-file /wallet/{u.id}-rpc.log
         """
-        container = self.client.containers.run(
-            self.wownero_image,
-            command=command,
-            auto_remove=True,
-            name=f'start_wallet_{u.id}',
-            remove=True,
-            detach=True,
-            ports={
-                f'{self.listen_port}/tcp': ('127.0.0.1', None)
-            },
-            volumes={
-                f'{self.wallet_dir}/{u.id}': {
-                    'bind': '/wallet',
-                    'mode': 'rw'
+        try:
+            container = self.client.containers.run(
+                self.wownero_image,
+                command=command,
+                auto_remove=True,
+                name=container_name,
+                remove=True,
+                detach=True,
+                ports={
+                    f'{self.listen_port}/tcp': ('127.0.0.1', None)
+                },
+                volumes={
+                    f'{self.wallet_dir}/{u.id}': {
+                        'bind': '/wallet',
+                        'mode': 'rw'
+                    }
                 }
-            }
-        )
-        return container.short_id
+            )
+            return container.short_id
+        except APIError as e:
+            if str(e).startswith('409'):
+                container = self.client.containers.get(container_name)
+                return container.short_id
 
     def get_port(self, container_id):
         client = APIClient()
@@ -85,6 +91,8 @@ class Docker(object):
             return True
         except NotFound:
             return False
+        except NullResource:
+            return False
 
     def stop_container(self, container_id):
         if self.container_exists(container_id):

wowstash/library/jsonrpc.py

@@ -49,6 +49,15 @@ class Wallet(JSONRPC):
     def height(self):
         return self.make_rpc('get_height', {})
 
+    def spend_key(self):
+        return self.make_rpc('query_key', {'key_type': 'spend_key'})['key']
+
+    def view_key(self):
+        return self.make_rpc('query_key', {'key_type': 'view_key'})['key']
+
+    def seed(self):
+        return self.make_rpc('query_key', {'key_type': 'mnemonic'})['key']
+
     def new_address(self, account_index=0, label=None):
         data = {'account_index': account_index, 'label': label}
         _address = self.make_rpc('create_address', data)

wowstash/templates/wallet/dashboard.html

@@ -20,10 +20,13 @@
           <p class="inline">{{ balances[1] | from_atomic }} WOW ({{ balances[0] | from_atomic }} locked)</p>
           <span class="dashboard-buttons">
             <div class="col-sm-6 dashboard-button">
-              <a class="btn btn-lg btn-link btn-outline btn-xl js-scroll-trigger" href="#transfers">List</a>
+              <a class="btn btn-lg btn-link btn-outline btn-xl js-scroll-trigger" href="#transfers">See Txes</a>
             </div>
             <div class="col-sm-6 dashboard-button">
-              <a class="btn btn-lg btn-link btn-outline btn-xl js-scroll-trigger" href="#send">Send</a>
+              <a class="btn btn-lg btn-link btn-outline btn-xl js-scroll-trigger" href="#send">Send Tx</a>
+            </div>
+            <div class="col-sm-6 dashboard-button">
+              <a class="btn btn-lg btn-link btn-outline btn-xl js-scroll-trigger" href="#secrets">See Secrets</a>
             </div>
           </span>
         </div>
@@ -96,6 +99,24 @@
       </div>
     </section>
 
+    <section class="section1" id="secrets">
+      <div class="container">
+        <div class="section-heading text-center">
+          <h2>Secrets</h2>
+          <p>You need to save the secrets below; write them down on a physical medium and keep it in a safe location. These can be used to restore your funds to another device in the future.</p>
+          <hr><br>
+          <h3>Mnemonic Seed</h3>
+          <p class="small">{{ seed }}</p>
+          <br>
+          <h3>Spend Key</h3>
+          <p class="small">{{ spend_key }}</p>
+          <br>
+          <h3>View Key</h3>
+          <p class="small">{{ view_key }}</p>
+        </div>
+      </div>
+    </section>
+
     {% include 'footer.html' %}
 
     {% include 'scripts.html' %}