From 1209cd9e40fa3dbdb720c54505e022bc42a218ab Mon Sep 17 00:00:00 2001
From: fernandomg <fernando.greco@gmail.com>
Date: Thu, 5 Nov 2026 18:03:09 +0100
Subject: [PATCH] fix: read active contracts through eventFormat

---
 registry/src/ledger.ts       | 6 ++++--
 registry/test/ledger.test.ts | 8 +++++---
 scripts/seed.mjs             | 4 ++--
 3 files changed, 11 insertions(+), 7 deletions(-)

diff --git a/registry/src/ledger.ts b/registry/src/ledger.ts
index 1b22642..c612458 100644
--- a/registry/src/ledger.ts
+++ b/registry/src/ledger.ts
@@ -219,8 +219,10 @@ export class HttpLedgerClient implements LedgerClient {
       method: 'POST',
       headers: this.headers(),
       body: JSON.stringify({
-        filter: templateFilter(templateId, party, includeCreatedEventBlob),
-        verbose: false,
+        eventFormat: {
+          ...templateFilter(templateId, party, includeCreatedEventBlob),
+          verbose: false,
+        },
         activeAtOffset,
       }),
     })
diff --git a/registry/test/ledger.test.ts b/registry/test/ledger.test.ts
index 597159a..10e35c1 100644
--- a/registry/test/ledger.test.ts
+++ b/registry/test/ledger.test.ts
@@ -77,9 +77,11 @@ describe('HttpLedgerClient.activeContracts', () => {
     expect(url).toBe('http://ledger/v2/state/active-contracts')
     expect(init.method).toBe('POST')
     const body = JSON.parse(init.body as string)
+    expect(body).not.toHaveProperty('filter')
+    expect(body).not.toHaveProperty('verbose')
     expect(
-      body.filter.filtersByParty['admin::1'].cumulative[0].identifierFilter.TemplateFilter.value
-        .templateId,
+      body.eventFormat.filtersByParty['admin::1'].cumulative[0].identifierFilter.TemplateFilter
+        .value.templateId,
     ).toBe('pkg:Canton.TokenForge.Registry:InstrumentConfig')
   })
 
@@ -191,7 +193,7 @@ describe('HttpLedgerClient.probeTemplate', () => {
     expect(body.activeAtOffset).toBe(0)
     // And no disclosure blob, which is the bulk of a row and is what a
     // counterparty needs rather than a check that reads nothing back.
-    const filter = body.filter.filtersByParty['admin::1'].cumulative[0].identifierFilter
+    const filter = body.eventFormat.filtersByParty['admin::1'].cumulative[0].identifierFilter
     expect(filter.TemplateFilter.value).toEqual({
       templateId: 'pkg:M:LockedToken',
       includeCreatedEventBlob: false,
diff --git a/scripts/seed.mjs b/scripts/seed.mjs
index d4ab8cf..3f390c4 100644
--- a/scripts/seed.mjs
+++ b/scripts/seed.mjs
@@ -167,7 +167,7 @@ async function ledgerEnd() {
 
 async function activeContracts(templateId, party) {
   const rows = await call('/v2/state/active-contracts', {
-    filter: {
+    eventFormat: {
       filtersByParty: {
         [party]: {
           cumulative: [
@@ -177,8 +177,8 @@ async function activeContracts(templateId, party) {
           ],
         },
       },
+      verbose: false,
     },
-    verbose: false,
     activeAtOffset: await ledgerEnd(),
   })
   return rows.flatMap((row) => {