test: Add transaction JSON loading unit tests

test/unittests/CMakeLists.txt

@@ -30,6 +30,7 @@ add_executable(evmone-unittests
     state_mpt_hash_test.cpp
     state_mpt_test.cpp
     state_rlp_test.cpp
+    statetest_loader_tx_test.cpp
     statetest_logs_hash_test.cpp
     tracing_test.cpp
     utils_test.cpp

test/unittests/statetest_loader_tx_test.cpp

@@ -0,0 +1,80 @@
+// evmone: Fast Ethereum Virtual Machine implementation
+// Copyright 2023 The evmone Authors.
+// SPDX-License-Identifier: Apache-2.0
+
+#include <gtest/gtest.h>
+#include <test/statetest/statetest.hpp>
+
+using namespace evmone;
+
+TEST(statetest_loader, tx_create_legacy)
+{
+    constexpr std::string_view input = R"({
+        "input": "b0b1",
+        "gas": "9091",
+        "value": "0xe0e1",
+        "sender": "a0a1",
+        "to": "",
+        "gasPrice": "0x7071"
+    })";
+
+    const auto tx = test::from_json<state::Transaction>(json::json::parse(input));
+    EXPECT_EQ(tx.kind, state::Transaction::Kind::legacy);
+    EXPECT_EQ(tx.data, (bytes{0xb0, 0xb1}));
+    EXPECT_EQ(tx.gas_limit, 0x9091);
+    EXPECT_EQ(tx.value, 0xe0e1);
+    EXPECT_EQ(tx.sender, 0xa0a1_address);
+    EXPECT_FALSE(tx.to.has_value());
+    EXPECT_EQ(tx.max_gas_price, 0x7071);
+    EXPECT_EQ(tx.max_priority_gas_price, 0x7071);
+    EXPECT_TRUE(tx.access_list.empty());
+}
+
+TEST(statetest_loader, tx_eip1559)
+{
+    constexpr std::string_view input = R"({
+        "input": "b0b1",
+        "gas": "9091",
+        "value": "0xe0e1",
+        "sender": "a0a1",
+        "to": "c0c1",
+        "maxFeePerGas": "0x7071",
+        "maxPriorityFeePerGas": "0x6061",
+        "accessList": []
+    })";
+
+    const auto tx = test::from_json<state::Transaction>(json::json::parse(input));
+    EXPECT_EQ(tx.kind, state::Transaction::Kind::eip1559);
+    EXPECT_EQ(tx.data, (bytes{0xb0, 0xb1}));
+    EXPECT_EQ(tx.gas_limit, 0x9091);
+    EXPECT_EQ(tx.value, 0xe0e1);
+    EXPECT_EQ(tx.sender, 0xa0a1_address);
+    EXPECT_EQ(tx.to, 0xc0c1_address);
+    EXPECT_EQ(tx.max_gas_price, 0x7071);
+    EXPECT_EQ(tx.max_priority_gas_price, 0x6061);
+    EXPECT_TRUE(tx.access_list.empty());
+}
+
+TEST(statetest_loader, tx_access_list)
+{
+    constexpr std::string_view input = R"({
+        "input": "",
+        "gas": "0",
+        "value": "0",
+        "sender": "",
+        "to": "",
+        "maxFeePerGas": "0",
+        "maxPriorityFeePerGas": "0",
+        "accessList": [
+            {"address": "ac01", "storageKeys": []},
+            {"address": "ac02", "storageKeys": ["fe", "00"]}
+        ]
+    })";
+
+    const auto tx = test::from_json<state::Transaction>(json::json::parse(input));
+    ASSERT_EQ(tx.access_list.size(), 2);
+    EXPECT_EQ(tx.access_list[0].first, 0xac01_address);
+    EXPECT_EQ(tx.access_list[0].second.size(), 0);
+    EXPECT_EQ(tx.access_list[1].first, 0xac02_address);
+    EXPECT_EQ(tx.access_list[1].second, (std::vector{0xfe_bytes32, 0x00_bytes32}));
+}