From 113843a69ced8d15be7126bf6bcf2d36544cecfc Mon Sep 17 00:00:00 2001
From: WeebDataHoarder <57538841+WeebDataHoarder@users.noreply.github.com>
Date: Wed, 24 May 2023 16:15:34 +0200
Subject: [PATCH] Preallocate for common case in base58 decode, expose
 preallocated case

---
 base58.go | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/base58.go b/base58.go
index 4e954db..9ecdaac 100644
--- a/base58.go
+++ b/base58.go
@@ -91,6 +91,12 @@ func EncodeMoneroBase58(data ...[]byte) string {
 }
 
 func DecodeMoneroBase58(data string) (result []byte) {
+	//common case
+	return DecodeMoneroBase58PreAllocated(make([]byte, 0, 69), data)
+}
+
+func DecodeMoneroBase58PreAllocated(buf []byte, data string) (result []byte) {
+	result = buf
 	length := len(data)
 	rounds := length / 11
 	for i := 0; i < rounds; i++ {