From ccac24a5b0a4d07a4b639c1c4d0a44703e32d418 Mon Sep 17 00:00:00 2001
From: Richard Moore <me@ricmoo.com>
Date: Tue, 2 Jan 2024 19:11:11 -0500
Subject: [PATCH] Fix Base58 padding for string representation of binary data
 (#4527).

---
 src.ts/utils/base58.ts | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/src.ts/utils/base58.ts b/src.ts/utils/base58.ts
index eac103477c..b71f99d377 100644
--- a/src.ts/utils/base58.ts
+++ b/src.ts/utils/base58.ts
@@ -42,12 +42,21 @@ const BN_58 = BigInt(58);
  *  Encode %%value%% as a Base58-encoded string.
  */
 export function encodeBase58(_value: BytesLike): string {
-    let value = toBigInt(getBytes(_value));
+    const bytes = getBytes(_value);
+
+    let value = toBigInt(bytes);
     let result = "";
     while (value) {
         result = Alphabet[Number(value % BN_58)] + result;
         value /= BN_58;
     }
+
+    // Account for leading padding zeros
+    for (let i = 0; i < bytes.length; i++) {
+        if (bytes[i]) { break; }
+        result = Alphabet[0] + result;
+    }
+
     return result;
 }