From e068b99dc1a90b3d6ecd10fe1ceb5882f0fd97b5 Mon Sep 17 00:00:00 2001
From: Developer <developer@rwadurian.com>
Date: Wed, 3 Dec 2025 18:05:31 -0800
Subject: [PATCH] =?UTF-8?q?fix(mpc-service):=20=E5=B0=86=20keygen/signing?=
 =?UTF-8?q?=20=E6=8E=A5=E5=8F=A3=E6=A0=87=E8=AE=B0=E4=B8=BA=20Public?=
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临时解决 identity-service 调用 mpc-service 时的 401 认证错误：
- keygen/participate
- keygen/participate-sync
- signing/participate
- signing/participate-sync

TODO: 添加适当的服务间认证机制（API key 或 service JWT）

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>
---
 .../src/api/controllers/mpc-party.controller.ts     | 13 ++++++++++++-
 1 file changed, 12 insertions(+), 1 deletion(-)

diff --git a/backend/services/mpc-service/src/api/controllers/mpc-party.controller.ts b/backend/services/mpc-service/src/api/controllers/mpc-party.controller.ts
index b82f565a..515d95c0 100644
--- a/backend/services/mpc-service/src/api/controllers/mpc-party.controller.ts
+++ b/backend/services/mpc-service/src/api/controllers/mpc-party.controller.ts
@@ -54,7 +54,10 @@ export class MPCPartyController {
 
   /**
    * Participate in key generation (async)
+   * Note: Marked as Public for internal service-to-service calls
+   * TODO: Add proper service authentication (API key or service JWT)
    */
+  @Public()
   @Post('keygen/participate')
   @HttpCode(HttpStatus.ACCEPTED)
   @ApiOperation({
@@ -67,7 +70,6 @@ export class MPCPartyController {
     type: KeygenAcceptedDto,
   })
   @ApiResponse({ status: 400, description: 'Bad request' })
-  @ApiResponse({ status: 401, description: 'Unauthorized' })
   async participateInKeygen(@Body() dto: ParticipateKeygenDto): Promise<KeygenAcceptedDto> {
     this.logger.log(`Keygen participation request: session=${dto.sessionId}, party=${dto.partyId}`);
 
@@ -91,7 +93,10 @@ export class MPCPartyController {
 
   /**
    * Participate in key generation (sync - for testing)
+   * Note: Marked as Public for internal service-to-service calls
+   * TODO: Add proper service authentication (API key or service JWT)
    */
+  @Public()
   @Post('keygen/participate-sync')
   @HttpCode(HttpStatus.OK)
   @ApiOperation({
@@ -119,7 +124,10 @@ export class MPCPartyController {
 
   /**
    * Participate in signing (async)
+   * Note: Marked as Public for internal service-to-service calls
+   * TODO: Add proper service authentication (API key or service JWT)
    */
+  @Public()
   @Post('signing/participate')
   @HttpCode(HttpStatus.ACCEPTED)
   @ApiOperation({
@@ -154,7 +162,10 @@ export class MPCPartyController {
 
   /**
    * Participate in signing (sync - for testing)
+   * Note: Marked as Public for internal service-to-service calls
+   * TODO: Add proper service authentication (API key or service JWT)
    */
+  @Public()
   @Post('signing/participate-sync')
   @HttpCode(HttpStatus.OK)
   @ApiOperation({