found another segfault:

this time in batch_set_config

node/segfault2.js

@@ -0,0 +1,50 @@
+const { default: dc } = require('./dist')
+
+const ac = new dc('test1233490')
+
+console.log('[1]')
+
+ac.startJsonRpcHandler(console.log)
+
+console.log('[2]')
+console.log(
+  ac.jsonRpcRequest(
+    JSON.stringify({
+      jsonrpc: '2.0',
+      method: 'batch_set_config',
+      id: 3,
+      params: [
+        69,
+        {
+          addr: '',
+          mail_user: '',
+          mail_pw: '',
+          mail_server: '',
+          mail_port: '',
+          mail_security: '',
+          imap_certificate_checks: '',
+          send_user: '',
+          send_pw: '',
+          send_server: '',
+          send_port: '',
+          send_security: '',
+          smtp_certificate_checks: '',
+          socks5_enabled: '0',
+          socks5_host: '',
+          socks5_port: '',
+          socks5_user: '',
+          socks5_password: '',
+        },
+      ],
+    })
+  )
+)
+
+console.log('[3]')
+
+setTimeout(() => {
+  console.log('[4]')
+  ac.close() // This segfaults -> TODO Findout why?
+
+  console.log('still living')
+}, 1000)