App hotfix 1.21.3

CHANGELOG.md

@@ -5,6 +5,12 @@ All notable changes to this project will be documented in this file.
 The format is based on [Keep a Changelog](http://keepachangelog.com/)
 and this project adheres to [Semantic Versioning](http://semver.org/).
 
+## [1.21.3](../../compare/1.21.2...1.21.3) - 2026-03-17
+
+### Fixed
+
+- Missing trusted name matching with EIP-712 empty calldata
+
 ## [1.21.2](../../compare/1.21.1...1.21.2) - 2026-03-03
 
 ### Added

Makefile

@@ -37,7 +37,7 @@ include ./makefile_conf/chain/$(CHAIN).mk
 
 APPVERSION_M = 1
 APPVERSION_N = 21
-APPVERSION_P = 2
+APPVERSION_P = 3
 APPVERSION = $(APPVERSION_M).$(APPVERSION_N).$(APPVERSION_P)
 
 # Application source files

src/features/signMessageEIP712/ui_logic.c

@@ -732,14 +732,28 @@ static bool handle_fallback_empty_calldata(const s_eip712_calldata_info *calldat
     } else {
         ui_712_set_intent_field("Empty transaction");
     }
-    if (!getEthDisplayableAddress((uint8_t *) calldata_info->callee,
-                                  buf,
-                                  buf_size,
-                                  chainConfig->chainId)) {
-        return false;
-    }
+
+    e_name_type types[] = {TN_TYPE_ACCOUNT};
+    e_name_source sources[] = {TN_SOURCE_ENS, TN_SOURCE_LAB, TN_SOURCE_MAB};
+    const s_trusted_name *trusted_name;
+
     ui_712_set_title("To", 2);
-    ui_712_set_value(buf, strlen(buf));
+    if ((trusted_name = get_trusted_name(ARRAYLEN(types),
+                                         types,
+                                         ARRAYLEN(sources),
+                                         sources,
+                                         &calldata_info->chain_id,
+                                         calldata_info->callee)) != NULL) {
+        ui_712_set_value(trusted_name->name, strlen(trusted_name->name));
+    } else {
+        if (!getEthDisplayableAddress(calldata_info->callee,
+                                      buf,
+                                      buf_size,
+                                      calldata_info->chain_id)) {
+            return false;
+        }
+        ui_712_set_value(buf, strlen(buf));
+    }
     return true;
 }
 

tests/ragger/test_eip712.py

@@ -1005,7 +1005,22 @@ def test_eip712_calldata(scenario_navigator: NavigateWithScenario):
 
 
 def test_eip712_calldata_empty_send(scenario_navigator: NavigateWithScenario):
-    eip712_calldata_common(scenario_navigator, "safe_empty")
+    app_client = EthAppClient(scenario_navigator.backend)
+    filename = "safe_empty"
+
+    with Path(f"{eip712_json_path()}/{filename}.json").open(encoding="utf-8") as file:
+        json_data = json.load(file)
+
+    app_client.provide_trusted_name(TrustedName(2,
+                                                bytes.fromhex(json_data["message"]["to"][2:]),
+                                                "MAB_addr",
+                                                tn_type=TrustedNameType.ACCOUNT,
+                                                tn_source=TrustedNameSource.MULTISIG_ADDRESS_BOOK,
+                                                chain_id=json_data["domain"]["chainId"],
+                                                challenge=ResponseParser.challenge(app_client.get_challenge().data),
+                                                owner=DEVICE_ADDR,
+                                                owner_deriv_path=BIP32_PATH))
+    eip712_calldata_common(scenario_navigator, filename)
 
 
 def test_eip712_calldata_no_param(scenario_navigator: NavigateWithScenario):