test_tx_parser.c

#include <stdarg.h>
#include <stddef.h>
#include <setjmp.h>
#include <stdint.h>
#include <stdbool.h>
#include <string.h>

#include <cmocka.h>

#include "transaction/serialize.h"
#include "transaction/deserialize.h"
#include "types.h"

static void test_tx_serialization(void **state) {
    (void) state;

    transaction_t tx;
    // clang-format off
    uint8_t raw_tx[] = {
        // nonce (8)
        0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01,
        // to (20)
        0x7a, 0xc3, 0x39, 0x97, 0x54, 0x4e, 0x31, 0x75,
        0xd2, 0x66, 0xbd, 0x02, 0x24, 0x39, 0xb2, 0x2c,
        0xdb, 0x16, 0x50, 0x8c,
        // value (8)
        0x00, 0x00, 0x00, 0x00, 0x00, 0x09, 0x08, 0x07,
        // memo length (varint: 1-9)
        0xf1,
        // memo (var: 241)
        0x54, 0x68, 0x65, 0x20, 0x54, 0x68, 0x65, 0x6f,
        0x72, 0x79, 0x20, 0x6f, 0x66, 0x20, 0x47, 0x72,
        0x6f, 0x75, 0x70, 0x73, 0x20, 0x69, 0x73, 0x20,
        0x61, 0x20, 0x62, 0x72, 0x61, 0x6e, 0x63, 0x68,
        0x20, 0x6f, 0x66, 0x20, 0x6d, 0x61, 0x74, 0x68,
        0x65, 0x6d, 0x61, 0x74, 0x69, 0x63, 0x73, 0x20,
        0x69, 0x6e, 0x20, 0x77, 0x68, 0x69, 0x63, 0x68,
        0x20, 0x6f, 0x6e, 0x65, 0x20, 0x64, 0x6f, 0x65,
        0x73, 0x20, 0x73, 0x6f, 0x6d, 0x65, 0x74, 0x68,
        0x69, 0x6e, 0x67, 0x20, 0x74, 0x6f, 0x20, 0x73,
        0x6f, 0x6d, 0x65, 0x74, 0x68, 0x69, 0x6e, 0x67,
        0x20, 0x61, 0x6e, 0x64, 0x20, 0x74, 0x68, 0x65,
        0x6e, 0x20, 0x63, 0x6f, 0x6d, 0x70, 0x61, 0x72,
        0x65, 0x73, 0x20, 0x74, 0x68, 0x65, 0x20, 0x72,
        0x65, 0x73, 0x75, 0x6c, 0x74, 0x20, 0x77, 0x69,
        0x74, 0x68, 0x20, 0x74, 0x68, 0x65, 0x20, 0x72,
        0x65, 0x73, 0x75, 0x6c, 0x74, 0x20, 0x6f, 0x62,
        0x74, 0x61, 0x69, 0x6e, 0x65, 0x64, 0x20, 0x66,
        0x72, 0x6f, 0x6d, 0x20, 0x64, 0x6f, 0x69, 0x6e,
        0x67, 0x20, 0x74, 0x68, 0x65, 0x20, 0x73, 0x61,
        0x6d, 0x65, 0x20, 0x74, 0x68, 0x69, 0x6e, 0x67,
        0x20, 0x74, 0x6f, 0x20, 0x73, 0x6f, 0x6d, 0x65,
        0x74, 0x68, 0x69, 0x6e, 0x67, 0x20, 0x65, 0x6c,
        0x73, 0x65, 0x2c, 0x20, 0x6f, 0x72, 0x20, 0x73,
        0x6f, 0x6d, 0x65, 0x74, 0x68, 0x69, 0x6e, 0x67,
        0x20, 0x65, 0x6c, 0x73, 0x65, 0x20, 0x74, 0x6f,
        0x20, 0x74, 0x68, 0x65, 0x20, 0x73, 0x61, 0x6d,
        0x65, 0x20, 0x74, 0x68, 0x69, 0x6e, 0x67, 0x2e,
        0x20, 0x4e, 0x65, 0x77, 0x6d, 0x61, 0x6e, 0x2c,
        0x20, 0x4a, 0x61, 0x6d, 0x65, 0x73, 0x20, 0x52,
        0x2e
    };

    buffer_t buf = {.ptr = raw_tx, .size = sizeof(raw_tx), .offset = 0};

    parser_status_e status = transaction_deserialize(&buf, &tx);

    assert_int_equal(status, PARSING_OK);

    uint8_t output[300];
    int length = transaction_serialize(&tx, output, sizeof(output));
    assert_int_equal(length, sizeof(raw_tx));
    assert_memory_equal(raw_tx, output, sizeof(raw_tx));
}

int main() {
    const struct CMUnitTest tests[] = {cmocka_unit_test(test_tx_serialization)};

    return cmocka_run_group_tests(tests, NULL, NULL);
}