Move functions and API needed by the plugins to the src_common directory

src_common/tx_content.h

@@ -0,0 +1,43 @@
+/*******************************************************************************
+ *   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 <stdbool.h>
+#include <stdint.h>
+
+#include "os.h"
+#include "cx.h"
+#include "utils.h"
+
+typedef struct txInt256_t {
+    uint8_t value[INT256_LENGTH];
+    uint8_t length;
+} txInt256_t;
+
+typedef struct txContent_t {
+    txInt256_t gasprice;  // Used as MaxFeePerGas when dealing with EIP1559 transactions.
+    txInt256_t startgas;  // Also known as `gasLimit`.
+    txInt256_t value;
+    txInt256_t nonce;
+    txInt256_t chainID;
+    uint8_t destination[ADDRESS_LENGTH];
+    uint8_t destinationLength;
+    uint8_t v[8];
+    uint8_t vLength;
+    bool dataPresent;
+} txContent_t;