Merge pull request #99 from poanetwork/oracle-nonce-too-low

Handle 'nonce too low' error message on oracle sender

oracle/src/sender.js

@@ -13,7 +13,8 @@ const {
   privateKeyToAddress,
   syncForEach,
   waitForFunds,
-  watchdog
+  watchdog,
+  nonceError
 } = require('./utils/utils')
 const { EXIT_CODES, EXTRA_GAS_PERCENTAGE } = require('./utils/constants')
 
@@ -152,10 +153,7 @@ async function main({ msg, ackMsg, nackMsg, sendToQueue, channel }) {
           logger.error(
             `Insufficient funds: ${currentBalance}. Stop processing messages until the balance is at least ${minimumBalance}.`
           )
-        } else if (
-          e.message.includes('Transaction nonce is too low') ||
-          e.message.includes('transaction with same nonce in the queue')
-        ) {
+        } else if (nonceError(e)) {
           nonce = await readNonce(true)
         }
       }

oracle/src/utils/utils.js

@@ -96,6 +96,14 @@ function privateKeyToAddress(privateKey) {
     : null
 }
 
+function nonceError(e) {
+  return (
+    e.message.includes('Transaction nonce is too low') ||
+    e.message.includes('nonce too low') ||
+    e.message.includes('transaction with same nonce in the queue')
+  )
+}
+
 module.exports = {
   syncForEach,
   checkHTTPS,
@@ -103,5 +111,6 @@ module.exports = {
   addExtraGas,
   setIntervalAndRun,
   watchdog,
-  privateKeyToAddress
+  privateKeyToAddress,
+  nonceError
 }