feat: implement premium UI, mobile responsiveness, and message status LEDs

client/src/components/ChatLayout.vue

@@ -5,10 +5,11 @@ import MessageList from './MessageList.vue';
 import UserList from './UserList.vue';
 import MusicPlayer from './MusicPlayer.vue';
 import TokenCreator from './TokenCreator.vue';
-import { Hash, Volume2, VolumeX, Settings, X, Coins } from 'lucide-vue-next';
+import { Hash, Volume2, VolumeX, Settings, X, Coins, Menu } from 'lucide-vue-next';
 import { ref } from 'vue';
 
 const showTokenCreator = ref(false);
+const showMobileMenu = ref(false);
 
 const chatStore = useChatStore();
 const { channels, currentChannel, username, walletAddress } = storeToRefs(chatStore);
@@ -34,10 +35,17 @@ const saveSettings = () => {
 </script>
 
 <template>
-  <div class="flex h-screen w-full overflow-hidden relative">
+  <div class="flex h-screen w-full overflow-hidden relative bg-discord-dark">
+    <!-- Mobile Menu Overlay -->
+    <div 
+      v-if="showMobileMenu" 
+      @click="showMobileMenu = false"
+      class="fixed inset-0 bg-black/60 z-40 md:hidden backdrop-blur-sm transition-opacity"
+    ></div>
+
     <!-- Settings Modal -->
-    <div v-if="showSettings" class="absolute inset-0 z-50 flex items-center justify-center bg-black/60 backdrop-blur-sm p-4">
+    <div v-if="showSettings" class="fixed inset-0 z-50 flex items-center justify-center bg-black/60 backdrop-blur-sm p-4">
-      <div class="bg-crypto-panel border border-white/10 rounded-2xl w-full max-w-md shadow-2xl animate-fade-in-up">
+      <div class="bg-discord-sidebar border border-white/10 rounded-2xl w-full max-w-md shadow-2xl animate-pop-in">
         <div class="p-6 border-b border-white/5 flex items-center justify-between">
           <h2 class="text-xl font-bold text-white">Profile Settings</h2>
           <button @click="showSettings = false" class="text-gray-400 hover:text-white transition-colors">
@@ -50,13 +58,13 @@ const saveSettings = () => {
             <input 
               v-model="newUsername" 
               type="text" 
-              class="w-full bg-crypto-dark border border-white/10 rounded-xl px-4 py-3 text-white focus:outline-none focus:ring-2 focus:ring-violet-500/50 transition-all"
+              class="w-full bg-discord-black border border-white/10 rounded-xl px-4 py-3 text-white focus:outline-none focus:ring-2 focus:ring-violet-500/50 transition-all"
               placeholder="Enter new username"
             />
           </div>
           <div>
             <label class="block text-xs font-bold text-crypto-muted uppercase tracking-wider mb-2">Wallet Address</label>
-            <div class="w-full bg-crypto-dark/50 border border-white/5 rounded-xl px-4 py-3 text-gray-500 text-sm truncate">
+            <div class="w-full bg-discord-black/50 border border-white/5 rounded-xl px-4 py-3 text-gray-500 text-sm truncate">
               {{ walletAddress }}
             </div>
           </div>
@@ -79,7 +87,12 @@ const saveSettings = () => {
     </div>
 
     <!-- Channels Sidebar -->
-    <div class="w-64 bg-[#2b2d31] flex flex-col border-r border-black/20">
+    <div 
+      :class="[
+        'fixed inset-y-0 left-0 w-64 bg-discord-sidebar flex flex-col border-r border-black/20 z-50 transition-transform duration-300 md:relative md:translate-x-0',
+        showMobileMenu ? 'translate-x-0' : '-translate-x-full'
+      ]"
+    >
       <div class="h-12 px-4 flex items-center justify-between border-b border-black/20 shadow-sm">
         <h1 class="font-bold text-white truncate">Plexus Server</h1>
         <button @click="toggleMute" class="text-gray-400 hover:text-gray-200 transition-colors">
@@ -91,7 +104,7 @@ const saveSettings = () => {
       <div class="flex-1 overflow-y-auto py-3 space-y-0.5 px-2">
         <!-- Token Creator Link -->
         <button 
-          @click="showTokenCreator = true"
+          @click="showTokenCreator = true; showMobileMenu = false"
           :class="['w-full flex items-center gap-2 px-2 py-1.5 rounded-md transition-all group mb-4',
             showTokenCreator ? 'bg-[#3f4147] text-white' : 'text-gray-400 hover:bg-[#35373c] hover:text-gray-200']"
         >
@@ -102,7 +115,7 @@ const saveSettings = () => {
         <div class="px-2 mb-2 text-[11px] font-bold text-gray-500 uppercase tracking-wider">Text Channels</div>
         <div v-for="channel in channels" :key="channel.id">
           <button 
-            @click="chatStore.setChannel(channel.id); showTokenCreator = false"
+            @click="chatStore.setChannel(channel.id); showTokenCreator = false; showMobileMenu = false"
             :class="['w-full flex items-center gap-2 px-2 py-1.5 rounded-md transition-all group', 
               currentChannel === channel.id && !showTokenCreator ? 'bg-[#3f4147] text-white' : 'text-gray-400 hover:bg-[#35373c] hover:text-gray-200']"
           >
@@ -113,7 +126,7 @@ const saveSettings = () => {
       </div>
 
       <!-- Music Player & Profile -->
-      <div class="bg-[#232428] p-2 space-y-2">
+      <div class="bg-discord-black p-2 space-y-2">
         <MusicPlayer />
         
         <div class="flex items-center gap-2 p-1.5 rounded-md hover:bg-[#35373c] transition-all group cursor-pointer" @click="showSettings = true">
@@ -121,7 +134,7 @@ const saveSettings = () => {
             <div class="w-8 h-8 rounded-full bg-violet-600 flex items-center justify-center text-white text-xs font-bold">
               {{ username?.substring(0, 2).toUpperCase() }}
             </div>
-            <div class="absolute bottom-0 right-0 w-3 h-3 bg-green-500 border-2 border-[#232428] rounded-full"></div>
+            <div class="absolute bottom-0 right-0 w-3 h-3 bg-green-500 border-2 border-discord-black rounded-full"></div>
           </div>
           <div class="flex-1 min-w-0">
             <div class="text-xs font-bold text-white truncate">{{ username }}</div>
@@ -133,9 +146,15 @@ const saveSettings = () => {
     </div>
 
     <!-- Main Content -->
-    <div class="flex-1 flex flex-col bg-[#313338] relative overflow-hidden">
+    <div class="flex-1 flex flex-col bg-discord-dark relative overflow-hidden">
       <!-- Header -->
-      <div class="h-12 px-4 flex items-center border-b border-black/20 shadow-sm bg-[#313338]/95 backdrop-blur-sm z-10">
+      <div class="h-12 px-4 flex items-center border-b border-black/20 shadow-sm bg-discord-dark/95 backdrop-blur-sm z-10">
+        <button 
+          @click="showMobileMenu = true" 
+          class="md:hidden mr-3 text-gray-400 hover:text-white transition-colors"
+        >
+          <Menu size="24" />
+        </button>
         <Hash size="20" class="text-gray-400 mr-2" />
         <span class="font-bold text-white mr-4">{{ showTokenCreator ? 'Token Creator' : currentChannel }}</span>
       </div>
@@ -147,7 +166,7 @@ const saveSettings = () => {
         </div>
 
         <!-- Member List (Discord Style) -->
-        <div class="w-60 bg-[#2b2d31] border-l border-black/20 hidden lg:flex flex-col">
+        <div class="w-60 bg-discord-sidebar border-l border-black/20 hidden xl:flex flex-col">
           <UserList />
         </div>
       </div>

client/src/components/MessageList.vue

@@ -53,33 +53,36 @@ const formatTime = (isoString) => {
 </script>
 
 <template>
-  <div class="flex-1 flex flex-col h-full bg-black/40 backdrop-blur-sm relative z-10">
+  <div class="flex-1 flex flex-col h-full bg-discord-dark relative z-10">
-    <!-- Header -->
+    <!-- Header (Desktop only, mobile header is in ChatLayout) -->
-    <div class="h-12 border-b border-white/5 flex items-center px-4 shadow-sm bg-crypto-panel/50">
+    <div class="hidden md:flex h-12 border-b border-black/20 items-center px-4 shadow-sm bg-discord-dark/95 backdrop-blur-sm">
-      <div class="text-lg font-bold text-white"># {{ currentChannel }}</div>
+      <div class="text-sm font-bold text-white flex items-center gap-2">
+        <Hash size="18" class="text-gray-400" />
+        {{ currentChannel }}
+      </div>
     </div>
 
     <!-- Messages -->
-    <div ref="messagesContainer" class="flex-1 overflow-y-auto p-4 space-y-1 scroll-smooth">
+    <div ref="messagesContainer" class="flex-1 overflow-y-auto p-4 space-y-1 scroll-smooth custom-scrollbar">
       <!-- Beginning of conversation marker -->
       <div class="py-12 px-4 border-b border-white/5 mb-8">
         <div class="w-16 h-16 rounded-2xl bg-gradient-to-br from-violet-600 to-indigo-600 flex items-center justify-center text-white mb-4 shadow-xl shadow-violet-600/20">
           <Hash size="32" />
         </div>
-        <h2 class="text-2xl font-bold text-white mb-1">Welcome to #{{ currentChannel }}!</h2>
+        <h2 class="text-3xl font-bold text-white mb-2">Welcome to #{{ currentChannel }}!</h2>
-        <p class="text-gray-400 text-sm max-w-md">This is the very beginning of the <span class="text-violet-400 font-semibold">#{{ currentChannel }}</span> channel. Use this space to connect, share, and grow with the community.</p>
+        <p class="text-gray-400 text-base max-w-md leading-relaxed">This is the very beginning of the <span class="text-violet-400 font-semibold">#{{ currentChannel }}</span> channel. Use this space to connect, share, and grow with the community.</p>
       </div>
 
-      <div v-for="(msg, index) in currentMessages" :key="msg.id" 
+      <div v-for="(msg, index) in currentMessages" :key="msg.id || msg.tempId" 
         class="group flex gap-4 px-4 py-1 hover:bg-white/[0.02] transition-colors relative"
       >
         <!-- Avatar (only if first message in group) -->
         <div class="w-10 flex-shrink-0">
           <div v-if="index === 0 || currentMessages[index-1].walletAddress !== msg.walletAddress" 
             class="w-10 h-10 rounded-full flex items-center justify-center text-white font-bold text-sm shadow-lg border border-white/10 mt-1"
-            :class="msg.walletAddress === walletAddress ? 'bg-gradient-to-br from-violet-500 to-fuchsia-600' : 'bg-crypto-panel'"
+            :class="msg.walletAddress === walletAddress ? 'bg-gradient-to-br from-violet-500 to-fuchsia-600' : 'bg-discord-sidebar'"
           >
-            {{ msg.username.substring(0, 2).toUpperCase() }}
+            {{ msg.username?.substring(0, 2).toUpperCase() }}
           </div>
           <div v-else class="w-10 text-[10px] text-crypto-muted opacity-0 group-hover:opacity-100 text-right pr-2 pt-1.5 transition-opacity">
             {{ formatTime(msg.timestamp) }}
@@ -88,17 +91,26 @@ const formatTime = (isoString) => {
 
         <!-- Content -->
         <div class="flex-1 min-w-0">
-          <div v-if="index === 0 || currentMessages[index-1].walletAddress !== msg.walletAddress" class="flex items-baseline gap-2 mb-0.5">
+          <div v-if="index === 0 || currentMessages[index-1].walletAddress !== msg.walletAddress" class="flex items-center gap-2 mb-0.5">
             <span :class="['text-sm font-bold hover:underline cursor-pointer', msg.walletAddress === walletAddress ? 'text-violet-400' : 'text-white']">
               {{ msg.username }}
             </span>
-            <span v-if="msg.txId" class="text-[9px] text-crypto-muted font-mono bg-white/5 px-1.5 py-0.5 rounded border border-white/5">
-              {{ msg.txId.slice(0, 8) }}
-            </span>
             <span class="text-[10px] text-crypto-muted">{{ formatTime(msg.timestamp) }}</span>
+            
+            <!-- Status LED -->
+            <div 
+              v-if="msg.status" 
+              class="led ml-1" 
+              :class="{
+                'led-orange': msg.status === 'pending',
+                'led-green': msg.status === 'validated',
+                'led-red': msg.status === 'failed'
+              }"
+              :title="msg.status"
+            ></div>
           </div>
 
-          <div class="text-gray-100 text-sm leading-relaxed break-words">
+          <div :class="['text-sm leading-relaxed break-words', msg.status === 'failed' ? 'text-status-failed line-through opacity-60' : 'text-gray-100']">
             {{ msg.content }}
           </div>
 
@@ -120,7 +132,7 @@ const formatTime = (isoString) => {
         </div>
 
         <!-- Hover Actions -->
-        <div class="absolute right-4 -top-4 opacity-0 group-hover:opacity-100 transition-opacity z-20 flex gap-1 bg-crypto-panel border border-white/10 rounded-lg p-1 shadow-xl">
+        <div v-if="msg.status !== 'failed'" class="absolute right-4 -top-4 opacity-0 group-hover:opacity-100 transition-opacity z-20 flex gap-1 bg-discord-sidebar border border-white/10 rounded-lg p-1 shadow-xl">
           <button 
             @click="showEmojiPicker = showEmojiPicker === msg.id ? null : msg.id"
             class="p-1.5 hover:bg-white/10 rounded text-gray-400 hover:text-white transition-all"
@@ -130,7 +142,7 @@ const formatTime = (isoString) => {
           </button>
           
           <!-- Emoji Picker Popover -->
-          <div v-if="showEmojiPicker === msg.id" class="absolute right-0 bottom-full mb-2 bg-crypto-panel border border-white/10 rounded-xl p-2 shadow-2xl flex gap-1 z-30 animate-fade-in-up">
+          <div v-if="showEmojiPicker === msg.id" class="absolute right-0 bottom-full mb-2 bg-discord-sidebar border border-white/10 rounded-xl p-2 shadow-2xl flex gap-1 z-30 animate-pop-in">
             <button 
               v-for="emoji in EMOJIS" 
               :key="emoji"
@@ -145,22 +157,33 @@ const formatTime = (isoString) => {
     </div>
 
     <!-- Input -->
-    <div class="p-4 bg-crypto-panel/80 border-t border-white/5">
+    <div class="p-4 bg-discord-dark">
-      <div class="relative">
+      <div class="relative bg-discord-sidebar/50 rounded-xl border border-white/5 p-1 transition-all focus-within:border-violet-500/30 focus-within:bg-discord-sidebar/80">
         <input 
           v-model="newMessage" 
           @keyup.enter="send"
           type="text" 
           :placeholder="`Message #${currentChannel}`"
-          class="w-full bg-crypto-dark/50 text-white placeholder-gray-500 rounded-lg py-3 pl-4 pr-12 focus:outline-none focus:ring-2 focus:ring-crypto-accent/50 border border-white/5 transition-all"
+          class="w-full bg-transparent text-white placeholder-gray-500 py-3 pl-4 pr-12 focus:outline-none"
         />
         <button 
           @click="send"
-          class="absolute right-2 top-1/2 -translate-y-1/2 p-1.5 text-gray-400 hover:text-white hover:bg-white/10 rounded-md transition-colors"
+          class="absolute right-2 top-1/2 -translate-y-1/2 p-2 text-gray-400 hover:text-violet-400 transition-colors"
         >
           <Send size="20" />
         </button>
       </div>
+      <div class="mt-2 flex items-center gap-4 px-1">
+        <div class="flex items-center gap-1.5 text-[10px] text-gray-500 uppercase tracking-widest font-bold">
+          <div class="led led-orange w-1.5 h-1.5"></div> Pending
+        </div>
+        <div class="flex items-center gap-1.5 text-[10px] text-gray-500 uppercase tracking-widest font-bold">
+          <div class="led led-green w-1.5 h-1.5"></div> Validated
+        </div>
+        <div class="flex items-center gap-1.5 text-[10px] text-gray-500 uppercase tracking-widest font-bold">
+          <div class="led led-red w-1.5 h-1.5"></div> Failed
+        </div>
+      </div>
     </div>
   </div>
 </template>

client/src/stores/chat.js

@@ -45,8 +45,19 @@ export const useChatStore = defineStore('chat', () => {
             if (!messages.value[message.channelId]) {
                 messages.value[message.channelId] = [];
             }
-            // Use spread to trigger reactivity if needed, though .push should work in Vue 3
+
-            messages.value[message.channelId] = [...messages.value[message.channelId], message];
+            // Check if this message matches a local pending message (by content and wallet)
+            // In a real app, we'd use the txId to match
+            const pendingIdx = messages.value[message.channelId].findIndex(
+                m => m.status === 'pending' && m.content === message.content && m.walletAddress === message.walletAddress
+            );
+
+            if (pendingIdx !== -1) {
+                // Update the pending message with server data and mark as validated
+                messages.value[message.channelId][pendingIdx] = { ...message, status: 'validated' };
+            } else {
+                messages.value[message.channelId] = [...messages.value[message.channelId], { ...message, status: 'validated' }];
+            }
         });
 
         socket.value.on('userList', (userList) => {
@@ -63,48 +74,74 @@ export const useChatStore = defineStore('chat', () => {
             }
         });
 
+        socket.value.on('usernameUpdated', ({ username: newName }) => {
+            username.value = newName;
+            const savedAuth = Cookies.get('plexus_auth');
+            if (savedAuth) {
+                const authData = JSON.parse(savedAuth);
+                authData.name = newName;
+                Cookies.set('plexus_auth', JSON.stringify(authData), { expires: 7 });
+            }
+        });
+
+        socket.value.on('error', (err) => {
+            console.error('Socket error:', err);
+            // Handle failed messages if we can identify them
+            // For now, just alert
+            alert(err.message || 'An error occurred');
+        });
+
         fetchChannels();
         fetchMessages(currentChannel.value);
     }
 
-    function toggleReaction(messageId, emoji) {
-        if (!socket.value) return;
-
-        // Simulate a blockchain transaction for reaction
-        console.log('Simulating 1 $PLEXUS transaction for reaction...');
-
-        socket.value.emit('toggleReaction', {
-            messageId,
-            walletAddress: walletAddress.value,
-            emoji
-        });
-    }
-
-    onMounted(() => {
-        const savedAuth = Cookies.get('plexus_auth');
-        if (savedAuth) {
-            try {
-                const { wallet, name, sig } = JSON.parse(savedAuth);
-                connect(wallet, name, sig);
-            } catch (e) {
-                console.error('Failed to parse saved auth', e);
-            }
-        }
-    });
-
     function sendMessage(content) {
         if (!socket.value || !content.trim()) return;
 
-        // Simulate a blockchain transaction
+        const tempId = 'temp-' + Date.now();
+        const pendingMsg = {
+            tempId,
+            channelId: currentChannel.value,
+            walletAddress: walletAddress.value,
+            username: username.value,
+            content,
+            timestamp: new Date().toISOString(),
+            status: 'pending',
+            reactions: []
+        };
+
+        // Add to local state immediately
+        if (!messages.value[currentChannel.value]) {
+            messages.value[currentChannel.value] = [];
+        }
+        messages.value[currentChannel.value].push(pendingMsg);
+
+        // Simulate a blockchain transaction delay
         console.log('Simulating 1 $PLEXUS transaction for message...');
         const mockTxId = 'TX' + Math.random().toString(36).substring(2, 15).toUpperCase();
 
-        socket.value.emit('sendMessage', {
+        setTimeout(() => {
-            channelId: currentChannel.value,
+            // Randomly fail 5% of the time for demonstration
-            walletAddress: walletAddress.value,
+            const failed = Math.random() < 0.05;
-            content,
+
-            txId: mockTxId
+            if (failed) {
-        });
+                const msg = messages.value[currentChannel.value].find(m => m.tempId === tempId);
+                if (msg) msg.status = 'failed';
+                console.error('Transaction failed!');
+
+                // Remove failed message after 5 seconds
+                setTimeout(() => {
+                    messages.value[currentChannel.value] = messages.value[currentChannel.value].filter(m => m.tempId !== tempId);
+                }, 5000);
+            } else {
+                socket.value.emit('sendMessage', {
+                    channelId: currentChannel.value,
+                    walletAddress: walletAddress.value,
+                    content,
+                    txId: mockTxId
+                });
+            }
+        }, 1500);
     }
 
     function toggleReaction(messageId, emoji) {
@@ -134,23 +171,6 @@ export const useChatStore = defineStore('chat', () => {
         });
     }
 
-    // Listen for username updates
-    onMounted(() => {
-        if (socket.value) {
-            socket.value.on('usernameUpdated', ({ username: newName }) => {
-                username.value = newName;
-                // Update cookie
-                const authData = JSON.parse(Cookies.get('plexus_auth') || '{}');
-                authData.name = newName;
-                Cookies.set('plexus_auth', JSON.stringify(authData), { expires: 7 });
-            });
-
-            socket.value.on('error', (err) => {
-                alert(err.message || 'An error occurred');
-            });
-        }
-    });
-
     function setChannel(channelId) {
         currentChannel.value = channelId;
         if (!messages.value[channelId]) {

client/src/style.css

@@ -3,7 +3,7 @@
 @tailwind utilities;
 
 body {
-  @apply bg-crypto-dark text-crypto-text overflow-hidden;
+  @apply bg-discord-dark text-crypto-text overflow-hidden antialiased;
 }
 
 /* Custom Scrollbar */
@@ -12,21 +12,48 @@ body {
 }
 
 ::-webkit-scrollbar-track {
-  @apply bg-crypto-dark;
+  @apply bg-discord-black;
 }
 
 ::-webkit-scrollbar-thumb {
-  @apply bg-crypto-panel rounded;
+  @apply bg-discord-sidebar rounded-full;
 }
 
 ::-webkit-scrollbar-thumb:hover {
-  @apply bg-crypto-muted;
+  @apply bg-white/10;
 }
 
 .glass {
-  @apply backdrop-blur-md bg-white/5 border border-white/10;
+  @apply backdrop-blur-md bg-white/[0.03] border border-white/10;
 }
 
 .glass-panel {
-  @apply backdrop-blur-xl bg-black/40 border-r border-white/5;
+  @apply backdrop-blur-xl bg-discord-sidebar/80 border-r border-white/5;
+}
+
+.led {
+  @apply w-2 h-2 rounded-full shadow-lg;
+}
+
+.led-orange {
+  @apply bg-status-pending shadow-status-pending/50 animate-led-pulse;
+}
+
+.led-green {
+  @apply bg-status-validated shadow-status-validated/50;
+}
+
+.led-red {
+  @apply bg-status-failed shadow-status-failed/50 animate-pulse;
+}
+
+/* Mobile responsiveness helpers */
+@media (max-width: 768px) {
+  .sidebar-hidden {
+    @apply -translate-x-full;
+  }
+
+  .sidebar-visible {
+    @apply translate-x-0;
+  }
 }

client/tailwind.config.js

@@ -12,18 +12,34 @@ export default {
                 'crypto-accent': '#8b5cf6', // Violet
                 'crypto-text': '#e2e8f0',
                 'crypto-muted': '#94a3b8',
+                'discord-dark': '#313338',
+                'discord-sidebar': '#2b2d31',
+                'discord-black': '#1e1f22',
+                'status-pending': '#f59e0b', // Orange
+                'status-validated': '#10b981', // Green
+                'status-failed': '#ef4444', // Red
             },
             fontFamily: {
-                sans: ['Inter', 'sans-serif'],
+                sans: ['Inter', 'sans-serif', 'system-ui'],
             },
             animation: {
                 'fade-in-up': 'fadeInUp 0.3s ease-out',
                 'pulse-slow': 'pulse 3s cubic-bezier(0.4, 0, 0.6, 1) infinite',
+                'pop-in': 'popIn 0.2s cubic-bezier(0.26, 0.53, 0.74, 1.48)',
+                'led-pulse': 'ledPulse 2s infinite',
             },
             keyframes: {
                 fadeInUp: {
                     '0%': { opacity: '0', transform: 'translateY(10px)' },
                     '100%': { opacity: '1', transform: 'translateY(0)' },
+                },
+                popIn: {
+                    '0%': { opacity: '0', transform: 'scale(0.8)' },
+                    '100%': { opacity: '1', transform: 'scale(1)' },
+                },
+                ledPulse: {
+                    '0%, 100%': { opacity: '1', transform: 'scale(1)' },
+                    '50%': { opacity: '0.6', transform: 'scale(0.95)' },
                 }
             }
         },

tasks/db.py

@@ -1,11 +1,9 @@
 import duckdb
 import os
 
-DB_PATH = "data/tasks.duckdb"
+DB_PATH = "tasks/tasks.duckdb"
 
 def init_db():
-    if not os.path.exists("data"):
-        os.makedirs("data")
     
     con = duckdb.connect(DB_PATH)
     con.execute("""