From 908d841bce5c183eeb5ae326bf2fe91ba0284edd Mon Sep 17 00:00:00 2001
From: Andrei Mateescu <andrei@amateescu.me>
Date: Thu, 23 Aug 2018 08:31:18 +0300
Subject: [PATCH] Don't send an empty "to" address when estimating gas for the
 constructor

Sending a empty "to" address when estimating the gas usage of the contract constructor returns the following error (from geth at least):

> invalid argument 0: hex string has length 0, want 40 for common.Address in
---
 src/Contract.php | 1 -
 1 file changed, 1 deletion(-)

diff --git a/src/Contract.php b/src/Contract.php
index 476db71..7e1ddcc 100644
--- a/src/Contract.php
+++ b/src/Contract.php
@@ -544,7 +544,6 @@ class Contract
                 if (count($arguments) > 0) {
                     $transaction = $arguments[0];
                 }
-                $transaction['to'] = '';
                 $transaction['data'] = '0x' . $this->bytecode . Utils::stripZero($data);
             } else {
                 $method = array_splice($arguments, 0, 1)[0];