From 2916c8f43b23a6c4d38796dd7135e9d712d12f8c Mon Sep 17 00:00:00 2001
From: Turadg Aleahmad <turadg@agoric.com>
Date: Fri, 6 Dec 2024 17:37:00 -0800
Subject: [PATCH] feat: publish CctpTxEvidence

---
 packages/fast-usdc/src/exos/status-manager.js | 16 +++++++++++++++-
 packages/fast-usdc/test/exos/advancer.test.ts | 19 ++++++++++---------
 2 files changed, 25 insertions(+), 10 deletions(-)

diff --git a/packages/fast-usdc/src/exos/status-manager.js b/packages/fast-usdc/src/exos/status-manager.js
index dbffbd07946..89afafef0bd 100644
--- a/packages/fast-usdc/src/exos/status-manager.js
+++ b/packages/fast-usdc/src/exos/status-manager.js
@@ -2,7 +2,7 @@ import { M } from '@endo/patterns';
 import { Fail, makeError, q } from '@endo/errors';
 import { appendToStoredArray } from '@agoric/store/src/stores/store-utils.js';
 import { E } from '@endo/eventual-send';
-import { makeTracer } from '@agoric/internal';
+import { makeTracer, pureDataMarshaller } from '@agoric/internal';
 import {
   CctpTxEvidenceShape,
   EvmHashShape,
@@ -83,6 +83,19 @@ export const prepareStatusManager = (
     keyShape: M.string(),
   });
 
+  /**
+   * @param {CctpTxEvidence['txHash']} hash
+   * @param {CctpTxEvidence} evidence
+   */
+  const publishEvidence = (hash, evidence) => {
+    const txNode = E(transactionsNode).makeChildNode(hash);
+    // Don't await, just writing to vstorage.
+    void E(txNode).setValue(
+      // @ts-expect-error XXX CopyRecordI expects an index signature
+      JSON.stringify(pureDataMarshaller.toCapData(evidence)),
+    );
+  };
+
   /**
    * @param {CctpTxEvidence['txHash']} hash
    * @param {TxStatus} status
@@ -114,6 +127,7 @@ export const prepareStatusManager = (
       pendingTxKeyOf(evidence),
       harden({ ...evidence, status }),
     );
+    publishEvidence(txHash, evidence);
     publishStatus(txHash, status);
   };
 
diff --git a/packages/fast-usdc/test/exos/advancer.test.ts b/packages/fast-usdc/test/exos/advancer.test.ts
index 4e7780bc2c3..0f1be85ee9f 100644
--- a/packages/fast-usdc/test/exos/advancer.test.ts
+++ b/packages/fast-usdc/test/exos/advancer.test.ts
@@ -1,29 +1,30 @@
-import type { TestFn } from 'ava';
 import { test as anyTest } from '@agoric/zoe/tools/prepare-test-env-ava.js';
+
+import {
+  decodeAddressHook,
+  encodeAddressHook,
+} from '@agoric/cosmic-proto/address-hooks.js';
+import type { NatAmount } from '@agoric/ertp';
 import { eventLoopIteration } from '@agoric/internal/src/testing-utils.js';
 import { denomHash } from '@agoric/orchestration';
 import fetchedChainInfo from '@agoric/orchestration/src/fetched-chain-info.js';
-import { Far } from '@endo/pass-style';
-import type { NatAmount } from '@agoric/ertp';
 import { type ZoeTools } from '@agoric/orchestration/src/utils/zoe-tools.js';
 import { q } from '@endo/errors';
-import {
-  decodeAddressHook,
-  encodeAddressHook,
-} from '@agoric/cosmic-proto/address-hooks.js';
+import { Far } from '@endo/pass-style';
+import type { TestFn } from 'ava';
 import { PendingTxStatus } from '../../src/constants.js';
 import { prepareAdvancer } from '../../src/exos/advancer.js';
 import type { SettlerKit } from '../../src/exos/settler.js';
 import { prepareStatusManager } from '../../src/exos/status-manager.js';
+import type { LiquidityPoolKit } from '../../src/types.js';
 import { makeFeeTools } from '../../src/utils/fees.js';
-import { commonSetup } from '../supports.js';
 import { MockCctpTxEvidences, intermediateRecipient } from '../fixtures.js';
 import {
   makeTestFeeConfig,
   makeTestLogger,
   prepareMockOrchAccounts,
 } from '../mocks.js';
-import type { LiquidityPoolKit } from '../../src/types.js';
+import { commonSetup } from '../supports.js';
 
 const LOCAL_DENOM = `ibc/${denomHash({
   denom: 'uusdc',