Add Grafana monitoring and improve Lightning Network setup

Tiltfile

@@ -41,6 +41,10 @@ labels = {
     '40swapd-carol',
     '40swap-backend',
   ],
+
+  'grafana': [
+    'grafana',
+  ],
 }
 
 for (label, services) in labels.items():
@@ -50,5 +54,7 @@ for (label, services) in labels.items():
       dc_resource(s, auto_init=False, labels = [label])
     elif label == '40swap':
       dc_resource(s, auto_init=False, labels = [label])
+    elif label == 'grafana':
+      dc_resource(s, auto_init=False, labels = [label])
     else:
       dc_resource(s, labels = [label])

docker-compose.yml

@@ -6,3 +6,4 @@ include:
   - ./docker/loop/docker-compose.yml
   - ./docker/mempool/docker-compose.yml
   - ./docker/40swap/docker-compose.yml
+  - ./docker/grafana/docker-compose.yml

docker/bitcoin/.justfile

@@ -128,3 +128,18 @@ addinvoice amount:
 payinvoice invoice:
     just lncli payinvoice {{invoice}} -f
 
+# Generate payments from Alice to Carol via Bob every 5s
+generate-payments:
+    #!/usr/bin/env bash
+    echo "Generating payments: Alice → Bob → Carol every 5s (Ctrl+C to stop)"
+    while true; do
+        INVOICE=$(docker exec polar-n1-carol lncli --network regtest -lnddir /root/.lnd/ addinvoice --amt 1000 | jq -r .payment_request)
+        if [ -n "$INVOICE" ] && [ "$INVOICE" != "null" ]; then
+            echo "$(date): Paying 1000 sats Alice → Carol via Bob"
+            docker exec polar-n1-alice lncli --network regtest -lnddir /root/.lnd/ payinvoice --force "$INVOICE"
+        else
+            echo "$(date): Failed to create invoice on Carol, retrying..."
+        fi
+        sleep 5
+    done
+

docker/bitcoin/docker-compose.polar.yml

@@ -2,7 +2,7 @@ name: polar
 
 x-lnd-node: &lnd-node
   profiles: [polar]
-  image: lightninglabs/lndinit:v0.1.28-beta-lnd-v0.19.0-beta
+  image: lightninglabs/lndinit:v0.1.34-beta-lnd-v0.20.1-beta
   environment:
     USERID: ${USERID:-1000}
     GROUPID: ${GROUPID:-1000}

docker/bitcoin/setup.sh

@@ -76,8 +76,10 @@ lncli $ALICE openchannel --connect $BOB:9735 $BOB_PUBKEY --local_amt 16000000 --
 echo "Opening a channel from Bob to Carol"
 lncli $BOB openchannel --connect $CAROL:9735 $CAROL_PUBKEY --local_amt 16000000 --push_amt 8000000  
 
-echo "Opening a channel from Carol to Alice"
-lncli $CAROL openchannel --connect $ALICE:9735 $ALICE_PUBKEY --local_amt 16000000 --push_amt 8000000
-
 echo "Confirming channels"
 bitcoin_cli -generate 6 > /dev/null
+
+echo "Setting inbound fees on Bob's channels"
+
+
+lncli $BOB updatechanpolicy --base_fee_msat 0 --fee_rate_ppm 1000 --time_lock_delta 40 --inbound_fee_rate_ppm -1000 --inbound_base_fee_msat 0

docker/grafana/docker-compose.yml

@@ -0,0 +1,21 @@
+name: grafana
+
+services:
+  grafana:
+    image: grafana/grafana:latest
+    container_name: grafana
+    restart: unless-stopped
+    ports:
+      - "3000:3000"
+    depends_on:
+      postgres:
+        condition: service_healthy
+    environment:
+      GF_SECURITY_ADMIN_USER: admin
+      GF_SECURITY_ADMIN_PASSWORD: admin
+    volumes:
+      - grafana_data:/var/lib/grafana
+      - ./provisioning:/etc/grafana/provisioning
+
+volumes:
+  grafana_data:

docker/grafana/provisioning/dashboards/dashboards.yml

@@ -0,0 +1,11 @@
+apiVersion: 1
+
+providers:
+  - name: 'NodeGuard Dashboards'
+    orgId: 1
+    folder: ''
+    type: file
+    disableDeletion: false
+    editable: true
+    options:
+      path: /etc/grafana/provisioning/dashboards