highperfocused/ESP-Miner
1
0
Fork 0
mirror of https://github.com/skot/ESP-Miner.git synced 2025-03-26 17:51:45 +01:00
Code Issues Packages Projects Releases Wiki Activity

added back stratum unit tests

Browse Source
This commit is contained in:
Ben 2023-06-09 18:28:06 -04:00 committed by johnny9
parent 23ac4cfacc
commit 1b75644b67
1 changed files with 93 additions and 56 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

149
components/stratum/test/test_stratum_json.c
View File

@ -1,49 +1,102 @@
#include "unity.h"
#include "stratum_api.h"
// TEST_CASE("Parse stratum method", "[stratum]")
// {
// const char * json_string = "{\"id\":null,\"method\":\"mining.notify\",\"params\":"
// "[\"1b4c3d9041\","
// "\"ef4b9a48c7986466de4adc002f7337a6e121bc43000376ea0000000000000000\","
// "\"01000000010000000000000000000000000000000000000000000000000000000000000000ffffffff4b03a5020cfabe6d6d379ae882651f6469f2ed6b8b40a4f9a4b41fd838a3ad6de8cba775f4e8f1d3080100000000000000\","
// "\"41903d4c1b2f736c7573682f0000000003ca890d27000000001976a9147c154ed1dc59609e3d26abb2df2ea3d587cd8c4188ac00000000000000002c6a4c2952534b424c4f434b3a4cb4cb2ddfc37c41baf5ef6b6b4899e3253a8f1dfc7e5dd68a5b5b27005014ef0000000000000000266a24aa21a9ed5caa249f1af9fbf71c986fea8e076ca34ae3514fb2f86400561b28c7b15949bf00000000\","
// "[\"ae23055e00f0f697cc3640124812d96d4fe8bdfa03484c1c638ce5a1c0e9aa81\",\"980fb87cb61021dd7afd314fcb0dabd096f3d56a7377f6f320684652e7410a21\",\"a52e9868343c55ce405be8971ff340f562ae9ab6353f07140d01666180e19b52\",\"7435bdfa004e603953b2ed39f118803934d9cf17b06d979ceb682f2251bafac2\",\"2a91f061a22d27cb8f44eea79938fb241ebeb359891aa907f05ffde7ed44e52e\",\"302401f80eb5e958155135e25200bb8ea181ad2d05e804a531c7314d86403cdc\",\"318ecb6161eb9b4cfd802bd730e2d36c167ddf102e70aa7b4158e2870dd47392\",\"1114332a9858e0cf84b2425bb1e59eaabf91dd102d114aa443d57fc1b3beb0c9\",\"f43f38095c810613ed795a44d9fab02ff25269706f454885db9be05cdf9c06e1\",\"3e2fc26b27fddc39668b59099cd9635761bb72ed92404204e12bdff08b16fb75\",\"463c19427286342120039a83218fa87ce45448e246895abac11fff0036076758\",\"03d287f655813e540ddb9c4e7aeb922478662b0f5d8e9d0cbd564b20146bab76\"],"
// "\"20000004\",\"1705c739\",\"64495522\",false]}";
// stratum_method method = parse_stratum_method(json_string);
// TEST_ASSERT_EQUAL(MINING_NOTIFY, method);
TEST_CASE("Parse stratum method", "[stratum]")
{
StratumApiV1Message stratum_api_v1_message = {};
// const char * json_string_2 = "{\"id\":null,\"method\":\"mining.set_difficulty\",\"params\":[1638]}";
// stratum_method method_2 = parse_stratum_method(json_string_2);
// TEST_ASSERT_EQUAL(MINING_SET_DIFFICULTY, method_2);
// }
const char * json_string_standard = "{\"id\":null,\"method\":\"mining.notify\",\"params\":"
"[\"1b4c3d9041\","
"\"ef4b9a48c7986466de4adc002f7337a6e121bc43000376ea0000000000000000\","
"\"01000000010000000000000000000000000000000000000000000000000000000000000000ffffffff4b03a5020cfabe6d6d379ae882651f6469f2ed6b8b40a4f9a4b41fd838a3ad6de8cba775f4e8f1d3080100000000000000\","
"\"41903d4c1b2f736c7573682f0000000003ca890d27000000001976a9147c154ed1dc59609e3d26abb2df2ea3d587cd8c4188ac00000000000000002c6a4c2952534b424c4f434b3a4cb4cb2ddfc37c41baf5ef6b6b4899e3253a8f1dfc7e5dd68a5b5b27005014ef0000000000000000266a24aa21a9ed5caa249f1af9fbf71c986fea8e076ca34ae3514fb2f86400561b28c7b15949bf00000000\","
"[\"ae23055e00f0f697cc3640124812d96d4fe8bdfa03484c1c638ce5a1c0e9aa81\",\"980fb87cb61021dd7afd314fcb0dabd096f3d56a7377f6f320684652e7410a21\",\"a52e9868343c55ce405be8971ff340f562ae9ab6353f07140d01666180e19b52\",\"7435bdfa004e603953b2ed39f118803934d9cf17b06d979ceb682f2251bafac2\",\"2a91f061a22d27cb8f44eea79938fb241ebeb359891aa907f05ffde7ed44e52e\",\"302401f80eb5e958155135e25200bb8ea181ad2d05e804a531c7314d86403cdc\",\"318ecb6161eb9b4cfd802bd730e2d36c167ddf102e70aa7b4158e2870dd47392\",\"1114332a9858e0cf84b2425bb1e59eaabf91dd102d114aa443d57fc1b3beb0c9\",\"f43f38095c810613ed795a44d9fab02ff25269706f454885db9be05cdf9c06e1\",\"3e2fc26b27fddc39668b59099cd9635761bb72ed92404204e12bdff08b16fb75\",\"463c19427286342120039a83218fa87ce45448e246895abac11fff0036076758\",\"03d287f655813e540ddb9c4e7aeb922478662b0f5d8e9d0cbd564b20146bab76\"],"
"\"20000004\",\"1705c739\",\"64495522\",false]}";
// TEST_CASE("Parse stratum set_difficulty params", "[mining.set_difficulty]")
// {
// const char * json_string = "{\"id\":null,\"method\":\"mining.set_difficulty\",\"params\":[1638]}";
// uint32_t difficulty = parse_mining_set_difficulty_message(json_string);
// TEST_ASSERT_EQUAL(1638, difficulty);
// }
STRATUM_V1_parse(&stratum_api_v1_message, json_string_standard);
TEST_ASSERT_EQUAL(MINING_NOTIFY, stratum_api_v1_message.method);
TEST_ASSERT_EQUAL_INT(0, stratum_api_v1_message.should_abandon_work);
// TEST_CASE("Parse stratum notify params", "[mining.notify]")
// {
// const char * json_string = "{\"id\":null,\"method\":\"mining.notify\",\"params\":"
// "[\"1d2e0c4d3d\","
// "\"ef4b9a48c7986466de4adc002f7337a6e121bc43000376ea0000000000000000\","
// "\"01000000010000000000000000000000000000000000000000000000000000000000000000ffffffff4b03a5020cfabe6d6d379ae882651f6469f2ed6b8b40a4f9a4b41fd838a3ad6de8cba775f4e8f1d3080100000000000000\","
// "\"41903d4c1b2f736c7573682f0000000003ca890d27000000001976a9147c154ed1dc59609e3d26abb2df2ea3d587cd8c4188ac00000000000000002c6a4c2952534b424c4f434b3a4cb4cb2ddfc37c41baf5ef6b6b4899e3253a8f1dfc7e5dd68a5b5b27005014ef0000000000000000266a24aa21a9ed5caa249f1af9fbf71c986fea8e076ca34ae3514fb2f86400561b28c7b15949bf00000000\","
// "[\"ae23055e00f0f697cc3640124812d96d4fe8bdfa03484c1c638ce5a1c0e9aa81\",\"980fb87cb61021dd7afd314fcb0dabd096f3d56a7377f6f320684652e7410a21\",\"a52e9868343c55ce405be8971ff340f562ae9ab6353f07140d01666180e19b52\",\"7435bdfa004e603953b2ed39f118803934d9cf17b06d979ceb682f2251bafac2\",\"2a91f061a22d27cb8f44eea79938fb241ebeb359891aa907f05ffde7ed44e52e\",\"302401f80eb5e958155135e25200bb8ea181ad2d05e804a531c7314d86403cdc\",\"318ecb6161eb9b4cfd802bd730e2d36c167ddf102e70aa7b4158e2870dd47392\",\"1114332a9858e0cf84b2425bb1e59eaabf91dd102d114aa443d57fc1b3beb0c9\",\"f43f38095c810613ed795a44d9fab02ff25269706f454885db9be05cdf9c06e1\",\"3e2fc26b27fddc39668b59099cd9635761bb72ed92404204e12bdff08b16fb75\",\"463c19427286342120039a83218fa87ce45448e246895abac11fff0036076758\",\"03d287f655813e540ddb9c4e7aeb922478662b0f5d8e9d0cbd564b20146bab76\"],"
// "\"20000004\",\"1705c739\",\"64495522\",false]}";
// mining_notify * params = parse_mining_notify_message(json_string, 512);
// TEST_ASSERT_EQUAL_STRING("1d2e0c4d3d", params->job_id);
// TEST_ASSERT_EQUAL_STRING("ef4b9a48c7986466de4adc002f7337a6e121bc43000376ea0000000000000000", params->prev_block_hash);
// TEST_ASSERT_EQUAL_STRING("01000000010000000000000000000000000000000000000000000000000000000000000000ffffffff4b03a5020cfabe6d6d379ae882651f6469f2ed6b8b40a4f9a4b41fd838a3ad6de8cba775f4e8f1d3080100000000000000", params->coinbase_1);
// TEST_ASSERT_EQUAL_STRING("41903d4c1b2f736c7573682f0000000003ca890d27000000001976a9147c154ed1dc59609e3d26abb2df2ea3d587cd8c4188ac00000000000000002c6a4c2952534b424c4f434b3a4cb4cb2ddfc37c41baf5ef6b6b4899e3253a8f1dfc7e5dd68a5b5b27005014ef0000000000000000266a24aa21a9ed5caa249f1af9fbf71c986fea8e076ca34ae3514fb2f86400561b28c7b15949bf00000000", params->coinbase_2);
// TEST_ASSERT_EQUAL_UINT32(0x20000004, params->version);
// TEST_ASSERT_EQUAL_UINT32(0x1705c739, params->target);
// TEST_ASSERT_EQUAL_UINT32(0x64495522, params->ntime);
// }
}
TEST_CASE("Parse stratum mining.notify abandon work", "[stratum]")
{
StratumApiV1Message stratum_api_v1_message = {};
const char * json_string_abandon_work_false = "{\"id\":null,\"method\":\"mining.notify\",\"params\":"
"[\"1b4c3d9041\","
"\"ef4b9a48c7986466de4adc002f7337a6e121bc43000376ea0000000000000000\","
"\"01000000010000000000000000000000000000000000000000000000000000000000000000ffffffff4b03a5020cfabe6d6d379ae882651f6469f2ed6b8b40a4f9a4b41fd838a3ad6de8cba775f4e8f1d3080100000000000000\","
"\"41903d4c1b2f736c7573682f0000000003ca890d27000000001976a9147c154ed1dc59609e3d26abb2df2ea3d587cd8c4188ac00000000000000002c6a4c2952534b424c4f434b3a4cb4cb2ddfc37c41baf5ef6b6b4899e3253a8f1dfc7e5dd68a5b5b27005014ef0000000000000000266a24aa21a9ed5caa249f1af9fbf71c986fea8e076ca34ae3514fb2f86400561b28c7b15949bf00000000\","
"[\"ae23055e00f0f697cc3640124812d96d4fe8bdfa03484c1c638ce5a1c0e9aa81\",\"980fb87cb61021dd7afd314fcb0dabd096f3d56a7377f6f320684652e7410a21\",\"a52e9868343c55ce405be8971ff340f562ae9ab6353f07140d01666180e19b52\",\"7435bdfa004e603953b2ed39f118803934d9cf17b06d979ceb682f2251bafac2\",\"2a91f061a22d27cb8f44eea79938fb241ebeb359891aa907f05ffde7ed44e52e\",\"302401f80eb5e958155135e25200bb8ea181ad2d05e804a531c7314d86403cdc\",\"318ecb6161eb9b4cfd802bd730e2d36c167ddf102e70aa7b4158e2870dd47392\",\"1114332a9858e0cf84b2425bb1e59eaabf91dd102d114aa443d57fc1b3beb0c9\",\"f43f38095c810613ed795a44d9fab02ff25269706f454885db9be05cdf9c06e1\",\"3e2fc26b27fddc39668b59099cd9635761bb72ed92404204e12bdff08b16fb75\",\"463c19427286342120039a83218fa87ce45448e246895abac11fff0036076758\",\"03d287f655813e540ddb9c4e7aeb922478662b0f5d8e9d0cbd564b20146bab76\"],"
"\"20000004\",\"1705c739\",\"64495522\",false]}";
STRATUM_V1_parse(&stratum_api_v1_message, json_string_abandon_work_false);
TEST_ASSERT_EQUAL(MINING_NOTIFY, stratum_api_v1_message.method);
TEST_ASSERT_EQUAL_INT(0, stratum_api_v1_message.should_abandon_work);
const char * json_string_abandon_work = "{\"id\":null,\"method\":\"mining.notify\",\"params\":"
"[\"1b4c3d9041\","
"\"ef4b9a48c7986466de4adc002f7337a6e121bc43000376ea0000000000000000\","
"\"01000000010000000000000000000000000000000000000000000000000000000000000000ffffffff4b03a5020cfabe6d6d379ae882651f6469f2ed6b8b40a4f9a4b41fd838a3ad6de8cba775f4e8f1d3080100000000000000\","
"\"41903d4c1b2f736c7573682f0000000003ca890d27000000001976a9147c154ed1dc59609e3d26abb2df2ea3d587cd8c4188ac00000000000000002c6a4c2952534b424c4f434b3a4cb4cb2ddfc37c41baf5ef6b6b4899e3253a8f1dfc7e5dd68a5b5b27005014ef0000000000000000266a24aa21a9ed5caa249f1af9fbf71c986fea8e076ca34ae3514fb2f86400561b28c7b15949bf00000000\","
"[\"ae23055e00f0f697cc3640124812d96d4fe8bdfa03484c1c638ce5a1c0e9aa81\",\"980fb87cb61021dd7afd314fcb0dabd096f3d56a7377f6f320684652e7410a21\",\"a52e9868343c55ce405be8971ff340f562ae9ab6353f07140d01666180e19b52\",\"7435bdfa004e603953b2ed39f118803934d9cf17b06d979ceb682f2251bafac2\",\"2a91f061a22d27cb8f44eea79938fb241ebeb359891aa907f05ffde7ed44e52e\",\"302401f80eb5e958155135e25200bb8ea181ad2d05e804a531c7314d86403cdc\",\"318ecb6161eb9b4cfd802bd730e2d36c167ddf102e70aa7b4158e2870dd47392\",\"1114332a9858e0cf84b2425bb1e59eaabf91dd102d114aa443d57fc1b3beb0c9\",\"f43f38095c810613ed795a44d9fab02ff25269706f454885db9be05cdf9c06e1\",\"3e2fc26b27fddc39668b59099cd9635761bb72ed92404204e12bdff08b16fb75\",\"463c19427286342120039a83218fa87ce45448e246895abac11fff0036076758\",\"03d287f655813e540ddb9c4e7aeb922478662b0f5d8e9d0cbd564b20146bab76\"],"
"\"20000004\",\"1705c739\",\"64495522\",true]}";
STRATUM_V1_parse(&stratum_api_v1_message, json_string_abandon_work);
TEST_ASSERT_EQUAL(MINING_NOTIFY, stratum_api_v1_message.method);
TEST_ASSERT_EQUAL_INT(1, stratum_api_v1_message.should_abandon_work);
const char * json_string_abandon_work_length_9 = "{\"id\":null,\"method\":\"mining.notify\",\"params\":"
"[\"1b4c3d9041\","
"\"ef4b9a48c7986466de4adc002f7337a6e121bc43000376ea0000000000000000\","
"\"01000000010000000000000000000000000000000000000000000000000000000000000000ffffffff4b03a5020cfabe6d6d379ae882651f6469f2ed6b8b40a4f9a4b41fd838a3ad6de8cba775f4e8f1d3080100000000000000\","
"\"41903d4c1b2f736c7573682f0000000003ca890d27000000001976a9147c154ed1dc59609e3d26abb2df2ea3d587cd8c4188ac00000000000000002c6a4c2952534b424c4f434b3a4cb4cb2ddfc37c41baf5ef6b6b4899e3253a8f1dfc7e5dd68a5b5b27005014ef0000000000000000266a24aa21a9ed5caa249f1af9fbf71c986fea8e076ca34ae3514fb2f86400561b28c7b15949bf00000000\","
"[\"ae23055e00f0f697cc3640124812d96d4fe8bdfa03484c1c638ce5a1c0e9aa81\",\"980fb87cb61021dd7afd314fcb0dabd096f3d56a7377f6f320684652e7410a21\",\"a52e9868343c55ce405be8971ff340f562ae9ab6353f07140d01666180e19b52\",\"7435bdfa004e603953b2ed39f118803934d9cf17b06d979ceb682f2251bafac2\",\"2a91f061a22d27cb8f44eea79938fb241ebeb359891aa907f05ffde7ed44e52e\",\"302401f80eb5e958155135e25200bb8ea181ad2d05e804a531c7314d86403cdc\",\"318ecb6161eb9b4cfd802bd730e2d36c167ddf102e70aa7b4158e2870dd47392\",\"1114332a9858e0cf84b2425bb1e59eaabf91dd102d114aa443d57fc1b3beb0c9\",\"f43f38095c810613ed795a44d9fab02ff25269706f454885db9be05cdf9c06e1\",\"3e2fc26b27fddc39668b59099cd9635761bb72ed92404204e12bdff08b16fb75\",\"463c19427286342120039a83218fa87ce45448e246895abac11fff0036076758\",\"03d287f655813e540ddb9c4e7aeb922478662b0f5d8e9d0cbd564b20146bab76\"],"
"\"20000004\",\"1705c739\",\"64495522\",\"64495522\",true]}";
STRATUM_V1_parse(&stratum_api_v1_message, json_string_abandon_work_length_9);
TEST_ASSERT_EQUAL(MINING_NOTIFY, stratum_api_v1_message.method);
TEST_ASSERT_EQUAL_INT(1, stratum_api_v1_message.should_abandon_work);
}
TEST_CASE("Parse stratum set_difficulty params", "[mining.set_difficulty]")
{
const char * json_string = "{\"id\":null,\"method\":\"mining.set_difficulty\",\"params\":[1638]}";
StratumApiV1Message stratum_api_v1_message = {};
STRATUM_V1_parse(&stratum_api_v1_message, json_string);
TEST_ASSERT_EQUAL(MINING_SET_DIFFICULTY, stratum_api_v1_message.method);
TEST_ASSERT_EQUAL(1638, stratum_api_v1_message.new_difficulty);
}
TEST_CASE("Parse stratum notify params", "[mining.notify]")
{
StratumApiV1Message stratum_api_v1_message = {};
const char * json_string = "{\"id\":null,\"method\":\"mining.notify\",\"params\":"
"[\"1d2e0c4d3d\","
"\"ef4b9a48c7986466de4adc002f7337a6e121bc43000376ea0000000000000000\","
"\"01000000010000000000000000000000000000000000000000000000000000000000000000ffffffff4b03a5020cfabe6d6d379ae882651f6469f2ed6b8b40a4f9a4b41fd838a3ad6de8cba775f4e8f1d3080100000000000000\","
"\"41903d4c1b2f736c7573682f0000000003ca890d27000000001976a9147c154ed1dc59609e3d26abb2df2ea3d587cd8c4188ac00000000000000002c6a4c2952534b424c4f434b3a4cb4cb2ddfc37c41baf5ef6b6b4899e3253a8f1dfc7e5dd68a5b5b27005014ef0000000000000000266a24aa21a9ed5caa249f1af9fbf71c986fea8e076ca34ae3514fb2f86400561b28c7b15949bf00000000\","
"[\"ae23055e00f0f697cc3640124812d96d4fe8bdfa03484c1c638ce5a1c0e9aa81\",\"980fb87cb61021dd7afd314fcb0dabd096f3d56a7377f6f320684652e7410a21\",\"a52e9868343c55ce405be8971ff340f562ae9ab6353f07140d01666180e19b52\",\"7435bdfa004e603953b2ed39f118803934d9cf17b06d979ceb682f2251bafac2\",\"2a91f061a22d27cb8f44eea79938fb241ebeb359891aa907f05ffde7ed44e52e\",\"302401f80eb5e958155135e25200bb8ea181ad2d05e804a531c7314d86403cdc\",\"318ecb6161eb9b4cfd802bd730e2d36c167ddf102e70aa7b4158e2870dd47392\",\"1114332a9858e0cf84b2425bb1e59eaabf91dd102d114aa443d57fc1b3beb0c9\",\"f43f38095c810613ed795a44d9fab02ff25269706f454885db9be05cdf9c06e1\",\"3e2fc26b27fddc39668b59099cd9635761bb72ed92404204e12bdff08b16fb75\",\"463c19427286342120039a83218fa87ce45448e246895abac11fff0036076758\",\"03d287f655813e540ddb9c4e7aeb922478662b0f5d8e9d0cbd564b20146bab76\"],"
"\"20000004\",\"1705c739\",\"64495522\",false]}";
STRATUM_V1_parse(&stratum_api_v1_message, json_string);
TEST_ASSERT_EQUAL_STRING("1d2e0c4d3d", stratum_api_v1_message.mining_notification->job_id);
TEST_ASSERT_EQUAL_STRING("ef4b9a48c7986466de4adc002f7337a6e121bc43000376ea0000000000000000", stratum_api_v1_message.mining_notification->prev_block_hash);
TEST_ASSERT_EQUAL_STRING("01000000010000000000000000000000000000000000000000000000000000000000000000ffffffff4b03a5020cfabe6d6d379ae882651f6469f2ed6b8b40a4f9a4b41fd838a3ad6de8cba775f4e8f1d3080100000000000000", stratum_api_v1_message.mining_notification->coinbase_1);
TEST_ASSERT_EQUAL_STRING("41903d4c1b2f736c7573682f0000000003ca890d27000000001976a9147c154ed1dc59609e3d26abb2df2ea3d587cd8c4188ac00000000000000002c6a4c2952534b424c4f434b3a4cb4cb2ddfc37c41baf5ef6b6b4899e3253a8f1dfc7e5dd68a5b5b27005014ef0000000000000000266a24aa21a9ed5caa249f1af9fbf71c986fea8e076ca34ae3514fb2f86400561b28c7b15949bf00000000", stratum_api_v1_message.mining_notification->coinbase_2);
TEST_ASSERT_EQUAL_UINT32(0x20000004, stratum_api_v1_message.mining_notification->version);
TEST_ASSERT_EQUAL_UINT32(0x1705c739, stratum_api_v1_message.mining_notification->target);
TEST_ASSERT_EQUAL_UINT32(0x64495522, stratum_api_v1_message.mining_notification->ntime);
}
// 'private' function
// TEST_CASE("Test mining.subcribe result parsing", "[mining.subscribe]")
@ -60,20 +113,4 @@
// TEST_ASSERT_EQUAL(result, 0);
// TEST_ASSERT_EQUAL_STRING(extranonce, "e9695791");
// TEST_ASSERT_EQUAL_INT(extranonce2_len, 4);
// }
// TEST_CASE("Test mining.notify abandon old work", "[mining.notify]")
// {
// const char * mining_notify_false = "{\"id\":null,\"method\":\"mining.notify\",\"params\":"
// "[\"\",\"\",\"\",\"\",[\"\"],\"\",\"\",\"\",false]}";
// const char * mining_notify_true = "{\"id\":null,\"method\":\"mining.notify\",\"params\":"
// "[\"\",\"\",\"\",\"\",[\"\"],\"\",\"\",\"\",true]}";
// const char * mining_notify_invalid = "{\"id\":null,\"method\":\"mining.notify\",\"params\":"
// "[\"\",\"\",\"\",\"\",[\"\"],\"\",\"\",\"\",3]}";
// const char * mining_notify_invalid_2 = "{\"id\":null,\"method\":\"mining.notify\",\"params\":"
// "[\"\",\"\",\"\",\"\",[\"\"],\"\",\"\",\"\"]}";
// TEST_ASSERT_EQUAL_INT(0, should_abandon_work(mining_notify_false));
// TEST_ASSERT_EQUAL_INT(1, should_abandon_work(mining_notify_true));
// TEST_ASSERT_EQUAL_INT(0, should_abandon_work(mining_notify_invalid));
// TEST_ASSERT_EQUAL_INT(0, should_abandon_work(mining_notify_invalid_2));
// }
// }