From 24e5e371012db95bef10e55c63c05925b63b074c Mon Sep 17 00:00:00 2001
From: alexcos20 <alex.coseru@gmail.com>
Date: Wed, 30 Sep 2020 03:51:08 -0700
Subject: [PATCH] optimizations

---
 src/balancer/OceanPool.ts | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/src/balancer/OceanPool.ts b/src/balancer/OceanPool.ts
index 6bb2c2cd..458fe606 100644
--- a/src/balancer/OceanPool.ts
+++ b/src/balancer/OceanPool.ts
@@ -4,6 +4,8 @@ import { TransactionReceipt } from 'web3-core'
 import { Pool } from './Pool'
 import { EventData, Filter } from 'web3-eth-contract'
 
+declare type PoolTransactionType = 'swap' | 'join' | 'exit'
+
 export interface PoolDetails {
   poolAddress: string
   tokens: string[]
@@ -493,7 +495,7 @@ export class OceanPool extends Pool {
   }
 
   private async getEventData(
-    type: 'swap' | 'join' | 'exit',
+    type: PoolTransactionType,
     poolAddress: string,
     dtAddress: string,
     data: EventData