From a0c2705ba6615b16a45edddf9843b980386d4799 Mon Sep 17 00:00:00 2001
From: "Jonathan \"Duke\" Leto" <jonathan@leto.net>
Date: Wed, 15 Jun 2022 21:22:19 -0700
Subject: [PATCH] add sort dep and parser.Reverse()

---
 frontend/service.go |  1 +
 parser/util.go      | 14 ++++++++++++++
 2 files changed, 15 insertions(+)
 create mode 100644 parser/util.go

diff --git a/frontend/service.go b/frontend/service.go
index d4aaf2c..023a171 100644
--- a/frontend/service.go
+++ b/frontend/service.go
@@ -6,6 +6,7 @@ import (
 	"encoding/json"
 	"errors"
 	"regexp"
+	"sort"
 	"strconv"
 	"strings"
 	"time"
diff --git a/parser/util.go b/parser/util.go
new file mode 100644
index 0000000..a089ebc
--- /dev/null
+++ b/parser/util.go
@@ -0,0 +1,14 @@
+// Copyright (c) 2019-2020 The Hush developers
+// Copyright (c) 2019-2020 The Zcash developers
+
+package parser
+
+// Reverse the given byte slice, returning a slice pointing to new data;
+// the input slice is unchanged.
+func Reverse(a []byte) []byte {
+	r := make([]byte, len(a), len(a))
+	for left, right := 0, len(a)-1; left <= right; left, right = left+1, right-1 {
+		r[left], r[right] = a[right], a[left]
+	}
+	return r
+}