Added missing GetTx (0x16) wire message

ethchain/transaction_pool.go

@@ -207,7 +207,7 @@ func (pool *TxPool) QueueTransaction(tx *Transaction) {
 	pool.queueChan <- tx
 }
 
-func (pool *TxPool) Flush() []*Transaction {
+func (pool *TxPool) CurrentTransactions() []*Transaction {
 	pool.mutex.Lock()
 	defer pool.mutex.Unlock()
 
@@ -221,6 +221,12 @@ func (pool *TxPool) Flush() []*Transaction {
 		i++
 	}
 
+	return txList
+}
+
+func (pool *TxPool) Flush() []*Transaction {
+	txList := pool.CurrentTransactions()
+
 	// Recreate a new list all together
 	// XXX Is this the fastest way?
 	pool.pool = list.New()