native daemon detached mode

routes/appConfig.js

@@ -15,6 +15,9 @@ const appConfig = {
       walletUnlockTimeout: 3600,
     },
     cliStopTimeout: 1000,
+    disableKomododDownModal: false,
+    failedRPCAttemptsThreshold: 10,
+    stopNativeDaemonsOnQuit: true,
   },
   schema: {
     host: {
@@ -95,6 +98,19 @@ const appConfig = {
     cliStopTimeout: {
       display: true,
       displayName: 'CLI stop timeout',
+      info: 'Timeout between consequent CLI stop commands',
+      type: 'number',
+    },
+    stopNativeDaemonsOnQuit: {
+      display: true,
+      displayName: 'Stop native daemons on app quit',
+      info: 'If set to false agama will run in detached coin daemon mode',
+      type: 'boolean',
+    },
+    failedRPCAttemptsThreshold: {
+      display: true,
+      displayName: 'Failed RPC connect attempts threshold',
+      info: 'Number of allowed consequent RPC connect failures before the app marks native coin daemon as not running properly',
       type: 'number',
     },
   },

routes/shepherd/daemonControl.js

@@ -1,3 +1,5 @@
+const spawn = require('child_process').spawn;
+
 module.exports = (shepherd) => {
   const getConf = (flock, coind) => {
     let DaemonConfPath = '';
@@ -135,7 +137,8 @@ module.exports = (shepherd) => {
         // check if komodod instance is already running
         shepherd.portscanner.checkPortStatus(_port, '127.0.0.1', (error, status) => {
           // Status is 'open' if currently in use or 'closed' if available
-          if (status === 'closed') {
+          if (status === 'closed' ||
+              !shepherd.appConfig.stopNativeDaemonsOnQuit) {
             // start komodod via exec
             const _customParamDict = {
               silent: '&',
@@ -169,6 +172,13 @@ module.exports = (shepherd) => {
             if (!shepherd.kmdMainPassiveMode) {
               let _arg = `${coindACParam}${data.ac_options.join(' ')}${_customParam}`;
               _arg = _arg.trim().split(' ');
+
+              if (!shepherd.appConfig.stopNativeDaemonsOnQuit) {
+                spawn(shepherd.komododBin, _arg, {
+                  stdio: 'ignore', // piping all stdio to /dev/null
+                  detached: true,
+                }).unref();
+              } else {
                 shepherd.execFile(`${shepherd.komododBin}`, _arg, {
                   maxBuffer: 1024 * 1000000 // 1000 mb
                 }, (error, stdout, stderr) => {
@@ -189,6 +199,7 @@ module.exports = (shepherd) => {
                   }
                 });
               }
+            }
           } else {
             if (shepherd.kmdMainPassiveMode) {
               shepherd.coindInstanceRegistry[data.ac_name] = true;
@@ -731,7 +742,8 @@ module.exports = (shepherd) => {
 
           shepherd.portscanner.checkPortStatus(_port, '127.0.0.1', (error, status) => {
             // Status is 'open' if currently in use or 'closed' if available
-            if (status === 'open') {
+            if (status === 'open' &&
+                shepherd.appConfig.stopNativeDaemonsOnQuit) {
               if (!skipError) {
                 shepherd.log(`komodod service start error at port ${_port}, reason: port is closed`);
                 shepherd.writeLog(`komodod service start error at port ${_port}, reason: port is closed`);

routes/shepherd/dashboardUpdate.js

@@ -269,6 +269,7 @@ module.exports = (shepherd) => {
           0
         ];
       }
+
       return new shepherd.Promise((resolve, reject) => {
         _bitcoinRPC(
           _coin,

routes/shepherd/quitDaemon.js

@@ -6,6 +6,7 @@ module.exports = (shepherd) => {
     shepherd.lockDownAddCoin = true;
 
     for (let key in shepherd.coindInstanceRegistry) {
+      if (shepherd.appConfig.stopNativeDaemonsOnQuit) {
         const chain = key !== 'komodod' ? key : null;
         let _coindQuitCmd = shepherd.komodocliBin;
 
@@ -70,6 +71,9 @@ module.exports = (shepherd) => {
         coindExitInterval[key] = setInterval(() => {
           execCliStop();
         }, timeout);
+      } else {
+        delete shepherd.coindInstanceRegistry[key];
+      }
     }
   }