nonce-tracker - simplify _getlocalNextNonce

app/scripts/lib/nonce-tracker.js

@@ -94,30 +94,39 @@ class NonceTracker {
   }
 
   async _getlocalNextNonce (address) {
-    const confirmedTransactions = this.getConfirmedTransactions(address)
-    const pendingTransactions = this.getPendingTransactions(address)
-    const transactions = confirmedTransactions.concat(pendingTransactions)
-    const highestNonce = this._getHighestNonce(transactions)
-    let localNonce = highestNonce
-    // throw out localNonce if not a number
-    if (!Number.isInteger(highestNonce)) localNonce = 0
-    const pendingCount = this._getPendingTransactionCount(address)
-    const confirmedCount = confirmedTransactions.length
-    if (
-      // the local nonce is not 0
-      localNonce ||
-      // or their are pending or confirmed transactions
-      pendingCount ||
-      confirmedCount
-    ) ++localNonce
-    const nonceDetails = { highestNonce, localNonce, pendingCount, confirmedCount }
-    return { name: 'local', nonce: localNonce, details: nonceDetails }
+    let nextNonce
+    // check our local tx history for the highest nonce (if any)
+    const highestNonce = this._getLocalHighestNonce(address)
+    const haveHighestNonce = Number.isInteger(highestNonce)
+    if (haveHighestNonce) {
+      // next nonce is the nonce after our last
+      nextNonce = highestNonce + 1
+    } else {
+      // no local tx history so next must be first (zero)
+      nextNonce = 0
+    }
+    const nonceDetails = { highestNonce }
+    return { name: 'local', nonce: nextNonce, details: nonceDetails }
   }
 
   _getLocalPendingNonce (address) {
     const pendingTransactions = this.getPendingTransactions(address)
-    const localNonce = this._getHighestNonce(pendingTransactions)
-    return localNonce
+    const highestNonce = this._getHighestNonce(pendingTransactions)
+    return highestNonce
+  }
+
+  _getLocalConfirmedNonce (address) {
+    const pendingTransactions = this.getConfirmedTransactions(address)
+    const highestNonce = this._getHighestNonce(pendingTransactions)
+    return highestNonce
+  }
+
+  _getLocalHighestNonce (address) {
+    const confirmedTransactions = this.getConfirmedTransactions(address)
+    const pendingTransactions = this.getPendingTransactions(address)
+    const transactions = confirmedTransactions.concat(pendingTransactions)
+    const highestNonce = this._getHighestNonce(transactions)
+    return highestNonce
   }
 
   _getPendingTransactionCount (address) {