Verify profile signatures survive avatar and display name updates

src/chat/chat_join.h

@@ -79,6 +79,7 @@
 
 #include <stdint.h>
 #include <stddef.h>
+#include "member_sync.h"
 
 struct UTUN_INSTANCE;
 

tools/chatgui/tests/test_avatars.cpp

@@ -109,6 +109,13 @@ private slots:
             }
             chat_core_update_my_name(testInstance, "quote\"\\name"); chat_core_sync_my_addresses(testInstance);
             for (const auto& channel : channels) {
+                char profile[MS_USERINFO_MAX + 1], name[128]; uint8_t signature[64]; uint64_t timestamp;
+                QCOMPARE(chat_core_get_my_profile(testInstance, channel.channelId.toLatin1().constData(), profile, sizeof(profile), signature, &timestamp), 0);
+                QCOMPARE(json_flat_get(profile, "name", name, sizeof(name)), 0); QCOMPARE(QString::fromLatin1(name), QString("quote\"\\name"));
+                uint8_t join[64], signedBytes[MS_USERINFO_MAX + 73]; uint64_t joinTimestamp;
+                QCOMPARE(topo_node_sqlite_member_get_join(testInstance->topo_sqlite_db, channel.channelId.toLatin1().constData(), testInstance->node_id, join, &joinTimestamp), 0);
+                int length = member_sync_build_update_msg(join, timestamp, profile, signedBytes, sizeof(signedBytes)); QVERIFY(length > 0);
+                QCOMPARE(sc_ed25519_verify(testInstance->my_ed25519_pubkey, signedBytes, length, signature), SC_OK);
                 uint8_t wire[CHAT_MEMBER_DISPLAY_SIZE]; QCOMPARE(chat_core_get_single_member(testInstance, channel.channelId.toLatin1().constData(), testInstance->node_id, wire), 0);
                 QCOMPARE(mf_get64(wire + 79), testInstance->node_id);
                 QCOMPARE(manager.image(channel.channelId, testInstance->node_id).pixelColor(128, 128), QColor(Qt::blue));