Merge pull request #3490 from mempool/simon/auto-disable-ln-on-macaroon-fail

Auto disable LN on macaroon fail

backend/src/api/lightning/lnd/lnd-api.ts

@@ -4,21 +4,29 @@ import * as fs from 'fs';
 import { AbstractLightningApi } from '../lightning-api-abstract-factory';
 import { ILightningApi } from '../lightning-api.interface';
 import config from '../../../config';
+import logger from '../../../logger';
 
 class LndApi implements AbstractLightningApi {
   axiosConfig: AxiosRequestConfig = {};
 
   constructor() {
-    if (config.LIGHTNING.ENABLED) {
+    if (!config.LIGHTNING.ENABLED) {
+      return;
+    }
+    try {
       this.axiosConfig = {
         headers: {
-          'Grpc-Metadata-macaroon': fs.readFileSync(config.LND.MACAROON_PATH).toString('hex')
+          'Grpc-Metadata-macaroon': fs.readFileSync(config.LND.MACAROON_PATH).toString('hex'),
         },
         httpsAgent: new Agent({
           ca: fs.readFileSync(config.LND.TLS_CERT_PATH)
         }),
         timeout: config.LND.TIMEOUT
       };
+    } catch (e) {
+      config.LIGHTNING.ENABLED = false;
+      logger.updateNetwork();
+      logger.err(`Could not initialize LND Macaroon/TLS Cert. Disabling LIGHTNING. ` + (e instanceof Error ? e.message : e));
     }
   }
 

backend/src/logger.ts

@@ -69,6 +69,10 @@ class Logger {
     this.network = this.getNetwork();
   }
 
+  public updateNetwork(): void {
+    this.network = this.getNetwork();
+  }
+
   private addprio(prio): void {
     this[prio] = (function(_this) {
       return function(msg, tag?: string) {

docker/frontend/entrypoint.sh

@@ -10,6 +10,8 @@ cp /etc/nginx/nginx.conf /patch/nginx.conf
 sed -i "s/__MEMPOOL_FRONTEND_HTTP_PORT__/${__MEMPOOL_FRONTEND_HTTP_PORT__}/g" /patch/nginx.conf
 cat /patch/nginx.conf > /etc/nginx/nginx.conf
 
+[ "${APP_LIGHTNING_NODE_PORT}" = "9735" ] && LIGHTNING=true
+
 # Runtime overrides - read env vars defined in docker compose
 
 __TESTNET_ENABLED__=${TESTNET_ENABLED:=false}