From bd7c95e342fa6358a8e3f24b7ff35a1e06564fdb Mon Sep 17 00:00:00 2001
From: 0xPatrick <patrick@0xpatrick.dev>
Date: Thu, 8 Aug 2024 23:07:32 -0400
Subject: [PATCH] test: simulate MsgSend failure on localchain bridge

---
 packages/vats/tools/fake-bridge.js | 7 +++++++
 1 file changed, 7 insertions(+)

diff --git a/packages/vats/tools/fake-bridge.js b/packages/vats/tools/fake-bridge.js
index 2b3e786f576..7130ce38534 100644
--- a/packages/vats/tools/fake-bridge.js
+++ b/packages/vats/tools/fake-bridge.js
@@ -8,6 +8,7 @@ import { Nat } from '@endo/nat';
 /**
  * @import {JsonSafe} from '@agoric/cosmic-proto';
  * @import {MsgDelegateResponse, MsgUndelegateResponse} from '@agoric/cosmic-proto/cosmos/staking/v1beta1/tx.js';
+ * @import {MsgSendResponse} from '@agoric/cosmic-proto/cosmos/bank/v1beta1/tx.js';
  * @import {BridgeHandler, ScopedBridgeManager} from '../src/types.js';
  * @import {Remote} from '@agoric/vow';
  */
@@ -181,6 +182,12 @@ export const fakeLocalChainBridgeTxMsgHandler = (message, sequence) => {
         sequence,
       };
     }
+    case '/cosmos.bank.v1beta1.MsgSend': {
+      if (message.amount[0].amount === '400') {
+        throw Error('simulated error');
+      }
+      return /** @type {JsonSafe<MsgSendResponse>} */ ({});
+    }
     case '/cosmos.staking.v1beta1.MsgDelegate': {
       if (message.amount.amount === '504') {
         throw Error('simulated packet timeout');