refactor: use pRetry to prevent recursive call

lib/plugins/wallet/zcashd/zcashd.js

@@ -1,4 +1,5 @@
 const _ = require('lodash/fp')
+const pRetry = require('p-retry') 
 const jsonRpc = require('../../common/json-rpc')
 
 const coinUtils = require('../../../coin-utils')
@@ -54,34 +55,28 @@ function sendCoins (account, address, cryptoAtoms, cryptoCode) {
   const coins = cryptoAtoms.shift(-unitScale).toFixed(8)
   const checkSendStatus = function (opid) {
     return new Promise((resolve, reject) => {
-      function checker(timeout) {
-        setTimeout(() => {
-          fetch('z_getoperationstatus', [[opid]])
-            .then(res => {
-              const status = _.get('status', res[0])
-              switch(status) {
-                case 'success': 
-                  resolve(res[0])
-                  break
-                case 'failed': 
-                  reject(res[0].error)
-                  break
-                case 'executing':
-                  if (timeout > 0) {
-                    checker(timeout - 500)
-                  } else {
-                    reject(res)
-                  }
-              }
-            })
-        }, 500)
-      }
-      checker(10000)
+      fetch('z_getoperationstatus', [[opid]])
+        .then(res => {
+          const status = _.get('status', res[0])
+          switch (status) {
+            case 'success':
+              resolve(res[0])
+              break
+            case 'failed':
+              throw new pRetry.AbortError(res[0].error)
+            case 'executing':
+              reject(res[0].error)
+              break
+          }
+        })
     })
-  } 
+  }
+  const checker = async () => {
+    return pRetry(checkSendStatus, { retries: 20, minTimeout: 300, factor: 1.05 })
+  }
   return checkCryptoCode(cryptoCode)
     .then(() => fetch('z_sendmany', ["ANY_TADDR", [{address, amount: coins}]]))
-    .then(checkSendStatus)
+    .then(checker)
     .then((res) =>  {
       return {
         fee: _.get('params.fee', res),