From a2eb60da35eeea270342f059960ce059c819b76c Mon Sep 17 00:00:00 2001
From: Ondra Chaloupka <chalda@chainkeepers.io>
Date: Wed, 26 Oct 2022 10:44:30 +0200
Subject: [PATCH] Governance: Fix MultiChoice VoteType serialization

---
 packages/governance-sdk/src/governance/accounts.ts     |  6 ++++--
 .../governance-sdk/src/governance/serialisation.ts     | 10 +++++++---
 2 files changed, 11 insertions(+), 5 deletions(-)

diff --git a/packages/governance-sdk/src/governance/accounts.ts b/packages/governance-sdk/src/governance/accounts.ts
index 0587abbb..ad6e0637 100644
--- a/packages/governance-sdk/src/governance/accounts.ts
+++ b/packages/governance-sdk/src/governance/accounts.ts
@@ -201,11 +201,13 @@ export enum VoteTypeKind {
 
 export class VoteType {
   type: VoteTypeKind;
-  choiceCount: number | undefined;
+  maxVoterOptions: number | undefined;
+  maxWinningOptions: number | undefined;
 
   constructor(args: { type: VoteTypeKind; choiceCount: number | undefined }) {
     this.type = args.type;
-    this.choiceCount = args.choiceCount;
+    this.maxVoterOptions = args.choiceCount;
+    this.maxWinningOptions = args.choiceCount;
   }
 
   static SINGLE_CHOICE = new VoteType({
diff --git a/packages/governance-sdk/src/governance/serialisation.ts b/packages/governance-sdk/src/governance/serialisation.ts
index 48f01f9a..8c6e7d87 100644
--- a/packages/governance-sdk/src/governance/serialisation.ts
+++ b/packages/governance-sdk/src/governance/serialisation.ts
@@ -100,7 +100,8 @@ import { deserializeBorsh } from '../tools/borsh';
     return VoteType.SINGLE_CHOICE;
   }
 
-  const choiceCount = reader.buf.readUInt16LE(reader.offset);
+  const choiceCount = reader.buf.readUInt8(reader.offset);
+  reader.offset += 2; // skip two bytes
   return VoteType.MULTI_CHOICE(choiceCount);
 };
 
@@ -111,8 +112,11 @@ import { deserializeBorsh } from '../tools/borsh';
   writer.length += 1;
 
   if (value.type === VoteTypeKind.MultiChoice) {
-    writer.buf.writeUInt16LE(value.choiceCount!, writer.length);
-    writer.length += 2;
+    // maxVoterOptions and maxWinningOtions are not implemented at backend
+    writer.buf.writeUInt8(value.maxVoterOptions || 0, writer.length);
+    writer.length += 1;
+    writer.buf.writeUInt8(value.maxWinningOptions || 0, writer.length);
+    writer.length += 1;
   }
 };