From b1129bb0669c3e2762a0bc1e3d211b951cf30be9 Mon Sep 17 00:00:00 2001
From: sc0Vu <alk03073135@gmail.com>
Date: Fri, 12 Jan 2018 15:05:19 +0800
Subject: [PATCH] Format estimateGas output.

---
 src/Methods/Eth/EstimateGas.php | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/src/Methods/Eth/EstimateGas.php b/src/Methods/Eth/EstimateGas.php
index 63b10c7..3f28b59 100644
--- a/src/Methods/Eth/EstimateGas.php
+++ b/src/Methods/Eth/EstimateGas.php
@@ -15,6 +15,7 @@ use InvalidArgumentException;
 use Web3\Methods\EthMethod;
 use Web3\Validators\TransactionValidator;
 use Web3\Formatters\TransactionFormatter;
+use Web3\Formatters\BigNumberFormatter;
 
 class EstimateGas extends EthMethod
 {
@@ -41,7 +42,9 @@ class EstimateGas extends EthMethod
      * 
      * @var array
      */
-    protected $outputFormatters = [];
+    protected $outputFormatters = [
+        BigNumberFormatter::class
+    ];
 
     /**
      * defaultValues