fix: digest auth request queue remake

lib/plugins/common/json-rpc.js

@@ -4,7 +4,6 @@ const uuid = require('uuid')
 const fs = require('fs')
 const _ = require('lodash/fp')
 const request = require('request-promise')
-const Queue = require('queue-promise')
 const { utils: coinUtils } = require('@lamassu/coins')
 
 const options = require('../../options')
@@ -12,7 +11,7 @@ const options = require('../../options')
 const blockchainDir = options.blockchainDir
 
 module.exports = {
-  fetch, fetchDigest, createDigestRequest, parseConf, rpcConfig
+  fetch, fetchDigest, parseConf, rpcConfig
 }
 
 function fetch (account = {}, method, params) {
@@ -50,17 +49,6 @@ function fetch (account = {}, method, params) {
     })
 }
 
-const DIGEST_QUEUE = new Queue({
-  concurrent: 1,
-  interval: 100,
-  start: false
-})
-
-function createDigestRequest (account = {}, method, params = []) {
-  DIGEST_QUEUE.enqueue(() => fetchDigest(account, method, params))
-  return DIGEST_QUEUE.dequeue()
-}
-
 function generateDigestOptions (account = {}, method, params) {
   const headers = {
     'Content-Type': 'application/json'
@@ -93,11 +81,6 @@ function fetchDigest(account = {}, method, params = []) {
       const options = generateDigestOptions(account, method, params)
       return request(options)
     })
-    .then((res) => {
-      const r = JSON.parse(res)
-      if (r.error) throw r.error
-      return r.result
-    })
 }
 
 function split (str) {

lib/plugins/wallet/monerod/monerod.js

@@ -1,14 +1,14 @@
 const fs = require('fs')
 const path = require('path')
 const _ = require('lodash/fp')
-const jsonRpc = require('../../common/json-rpc')
-
 const { COINS, utils } = require('@lamassu/coins')
+const { default: PQueue } = require('p-queue')
 
 const BN = require('../../../bn')
 const E = require('../../../error')
 const { logger } = require('../../../blockchain/common')
 const options = require('../../../options')
+const jsonRpc = require('../../common/json-rpc')
 
 const blockchainDir = options.blockchainDir
 
@@ -16,6 +16,21 @@ const cryptoRec = utils.getCryptoCurrency(COINS.XMR)
 const configPath = utils.configPath(cryptoRec, blockchainDir)
 const walletDir = path.resolve(utils.cryptoDir(cryptoRec, blockchainDir), 'wallets')
 
+const DIGEST_QUEUE = new PQueue({
+  concurrency: 1,
+  interval: 150,
+})
+
+function createDigestRequest (account = {}, method, params = []) {
+  return DIGEST_QUEUE.add(() => jsonRpc.fetchDigest(account, method, params)
+    .then(res => {
+      const r = JSON.parse(res)
+      if (r.error) throw r.error
+      return r.result
+    })
+  )
+}
+
 function rpcConfig () {
   try {
     const config = jsonRpc.parseConf(configPath)
@@ -30,7 +45,7 @@ function rpcConfig () {
 }
 
 function fetch (method, params) {
-  return jsonRpc.createDigestRequest(rpcConfig(), method, params)
+  return createDigestRequest(rpcConfig(), method, params)
 }
 
 function handleError (error, method) {
@@ -81,6 +96,7 @@ function checkCryptoCode (cryptoCode) {
 
 function refreshWallet () {
   return fetch('refresh')
+    .catch(err => handleError(err, 'refreshWallet'))
 }
 
 function accountBalance (cryptoCode) {