From 21e2c148c03040219ec5659efe5541ce016367ed Mon Sep 17 00:00:00 2001
From: Adam A <adam@hack.bg>
Date: Mon, 22 Jul 2024 20:15:26 +0300
Subject: [PATCH] fix(namada): epoch: handle option bit

---
 packages/namada/NamadaEpoch.ts | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/packages/namada/NamadaEpoch.ts b/packages/namada/NamadaEpoch.ts
index 68d6b39983..36aba87258 100644
--- a/packages/namada/NamadaEpoch.ts
+++ b/packages/namada/NamadaEpoch.ts
@@ -7,7 +7,8 @@ export async function fetchEpoch (
   height?: number|bigint
 ) {
   if (height !== undefined) {
-    return decode(u64, await connection.abciQuery(`/shell/epoch_at_height/${height}`))
+    const binary = await connection.abciQuery(`/shell/epoch_at_height/${height}`)
+    return binary[0] ? decode(u64, binary.slice(1)) : null
   } else {
     return decode(u64, await connection.abciQuery("/shell/epoch"))
   }