fix: node fetching error handling

lib/plugins/common/json-rpc.js

@@ -7,6 +7,7 @@ const request = require('request-promise')
 const { utils: coinUtils } = require('@lamassu/coins')
 
 const options = require('../../options')
+const logger = require('../../logger')
 
 const blockchainDir = options.blockchainDir
 
@@ -116,6 +117,9 @@ function rpcConfig (cryptoRec) {
       port: config.rpcport || cryptoRec.defaultPort
     }
   } catch (err) {
-    throw new Error('Wallet is currently not installed')
+    logger.error('Wallet is currently not installed!')
+    return {
+      port: cryptoRec.defaultPort
+    }
   }
 }

lib/plugins/wallet/monerod/monerod.js

@@ -6,7 +6,7 @@ const { default: PQueue } = require('p-queue')
 
 const BN = require('../../../bn')
 const E = require('../../../error')
-const { logger } = require('../../../blockchain/common')
+const logger = require('../../../logger')
 const options = require('../../../options')
 const jsonRpc = require('../../common/json-rpc')
 
@@ -40,7 +40,12 @@ function rpcConfig () {
       port: cryptoRec.walletPort || cryptoRec.defaultPort
     }
   } catch (err) {
-    throw new Error('wallet is currently not installed')
+    logger.error('Wallet is currently not installed!')
+    return {
+      username: '',
+      password: '',
+      port: cryptoRec.walletPort || cryptoRec.defaultPort
+    }
   }
 }
 

new-lamassu-admin/src/pages/Funding.js

@@ -26,6 +26,9 @@ import { primaryColor } from 'src/styling/variables'
 
 import styles from './Funding.styles'
 
+const NODE_NOT_CONNECTED_ERR =
+  "Couldn't establish connection with the node. Make sure it is installed and try again"
+
 const useStyles = makeStyles(styles)
 const sizes = {
   big: 165,
@@ -176,7 +179,11 @@ const Funding = () => {
         {selected && !viewHistory && selected.errorMsg && (
           <div className={classes.main}>
             <div className={classes.firstSide}>
-              <Info3 className={classes.error}>{selected.errorMsg}</Info3>
+              <Info3 className={classes.error}>
+                {R.includes('ECONNREFUSED', selected.errorMsg)
+                  ? NODE_NOT_CONNECTED_ERR
+                  : selected.errorMsg}
+              </Info3>
             </div>
           </div>
         )}