Merge nft and tokens into a single asset header

src_common/asset_info.h

@@ -0,0 +1,51 @@
+/*******************************************************************************
+ *   Ledger Ethereum App
+ *   (c) 2016-2019 Ledger
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License");
+ *  you may not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS,
+ *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ ********************************************************************************/
+
+#pragma once
+
+#include <stdint.h>
+#include "common_utils.h"
+
+// NFT
+
+#define COLLECTION_NAME_MAX_LEN 70
+
+typedef struct nftInfo_t {
+    uint8_t contractAddress[ADDRESS_LENGTH];  // must be first item
+    char collectionName[COLLECTION_NAME_MAX_LEN + 1];
+} nftInfo_t;
+
+// TOKENS
+
+#define MAX_TICKER_LEN 11  // 10 characters + '\0'
+#define MAX_ITEMS      2
+
+typedef struct tokenDefinition_t {
+    uint8_t address[ADDRESS_LENGTH];  // must be first item
+#ifdef HAVE_CONTRACT_NAME_IN_DESCRIPTOR
+    uint8_t contractName[ADDRESS_LENGTH];
+#endif
+    char ticker[MAX_TICKER_LEN];
+    uint8_t decimals;
+} tokenDefinition_t;
+
+// UNION
+
+typedef union extraInfo_t {
+    tokenDefinition_t token;
+    nftInfo_t nft;
+} extraInfo_t;