From 60c630205941976f8ab155833b93b1c51a877b85 Mon Sep 17 00:00:00 2001
From: duckducknono <65235592+duckducknono@users.noreply.github.com>
Date: Mon, 5 Apr 2021 19:12:37 +0100
Subject: [PATCH 1/2] Update rpc.go

Added hexutil to prevent undefined bit error on make.
---
 rpc/rpc.go | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/rpc/rpc.go b/rpc/rpc.go
index 96137bb77..1a4237da5 100644
--- a/rpc/rpc.go
+++ b/rpc/rpc.go
@@ -12,7 +12,7 @@ import (
 	"strings"
 	"sync"
 
-	"github.com/ethereum/go-ethereum/common"
+	"github.com/ethereum/go-ethereum/common/hexutil"
 
 	"github.com/sammy007/open-ethereum-pool/util"
 )
@@ -177,7 +177,7 @@ func (r *RPCClient) GetBalance(address string) (*big.Int, error) {
 
 func (r *RPCClient) Sign(from string, s string) (string, error) {
 	hash := sha256.Sum256([]byte(s))
-	rpcResp, err := r.doPost(r.Url, "eth_sign", []string{from, common.ToHex(hash[:])})
+	rpcResp, err := r.doPost(r.Url, "eth_sign", []string{from, hexutil.Encode(hash[:])})
 	var reply string
 	if err != nil {
 		return reply, err

From 9a2db1e98f2e73baf1c6ee9d505a37aec678bfbd Mon Sep 17 00:00:00 2001
From: duckducknono <65235592+duckducknono@users.noreply.github.com>
Date: Mon, 5 Apr 2021 19:14:07 +0100
Subject: [PATCH 2/2] Update util.go

---
 util/util.go | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/util/util.go b/util/util.go
index b4219c52e..bfcd600a5 100644
--- a/util/util.go
+++ b/util/util.go
@@ -8,6 +8,8 @@ import (
 
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/common/math"
+	"github.com/ethereum/go-ethereum/common/hexutil"
+
 )
 
 var Ether = math.BigPow(10, 18)
@@ -35,7 +37,7 @@ func MakeTimestamp() int64 {
 func GetTargetHex(diff int64) string {
 	difficulty := big.NewInt(diff)
 	diff1 := new(big.Int).Div(pow256, difficulty)
-	return string(common.ToHex(diff1.Bytes()))
+	return string(hexutil.Encode(diff1.Bytes()))
 }
 
 func TargetHexToDiff(targetHex string) *big.Int {