librlp

C library for the Recursive Length Prefix (RLP) serialization format
git clone git://git.defalsify.org/librlp.git
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check_vectors.c (8630B)


      1 #include <check.h>
      2 #include <stdlib.h>
      3 #include <string.h>
      4 #include <stdio.h>
      5 
      6 #include "rlp.h"
      7 
      8 START_TEST(rlp_dog_test) {
      9 	char buf[1024];
     10 	char *zbuf = (char*)&buf;
     11 	int l;
     12 
     13 	char state = RLP_STRING;
     14 
     15 	rlp_encoder_t encoder;
     16 
     17 	rlp_init(&encoder, 1024, NULL);
     18 	char *x_dog = "dog";
     19 	char r_dog[4] = {0x83, 'd', 'o', 'g'};
     20 	rlp_add(&encoder, 3, x_dog);	
     21 	ck_assert_mem_eq(encoder.buf, r_dog, 4);
     22 	ck_assert_int_eq(encoder.size, 4);
     23 
     24 	// reuse for decode
     25 	rlp_init(&encoder, 4, encoder.buf);
     26 	rlp_next(&encoder, &l, &zbuf);
     27 	ck_assert_mem_eq(&encoder.state, &state, 1);
     28 	ck_assert_int_eq(l, 3);
     29 	ck_assert_mem_eq(zbuf, x_dog, l);
     30 
     31 	state = RLP_END;
     32 	rlp_next(&encoder, &l, &zbuf);
     33 	ck_assert_mem_eq(&encoder.state, &state, 1);
     34 
     35 	rlp_free(&encoder);
     36 }
     37 END_TEST
     38 
     39 START_TEST(rlp_catdog_test) {
     40 	rlp_encoder_t encoder;
     41 
     42 	char buf[1024];
     43 	char *zbuf = (char*)&buf;
     44 	int l;
     45 	char state;
     46 
     47 	char *x_dog = "dog";
     48 	char *x_cat = "cat";
     49 	char r_catdog[9] = {0xc8, 0x83, 'c', 'a', 't', 0x83, 'd', 'o', 'g'};
     50 	
     51 	rlp_init(&encoder, 1024, NULL);
     52 	rlp_descend(&encoder);
     53 	rlp_add(&encoder, 3, x_cat);	
     54 	rlp_add(&encoder, 3, x_dog);
     55 	rlp_ascend(&encoder);
     56 	ck_assert_mem_eq(encoder.buf, r_catdog, 9);
     57 	ck_assert_int_eq(encoder.size, 9); 
     58 
     59 	// reuse for decode
     60 	state = RLP_LIST_DESCEND;
     61 	rlp_init(&encoder, 9, encoder.buf);
     62 	rlp_next(&encoder, &l, &zbuf);
     63 	ck_assert_mem_eq(&encoder.state, &state, 1);
     64 	ck_assert_int_eq(l, 8);
     65 
     66 	state = RLP_STRING;
     67 	rlp_next(&encoder, &l, &zbuf);
     68 	ck_assert_mem_eq(&encoder.state, &state, 1);
     69 	ck_assert_mem_eq(zbuf, x_cat, l);
     70 
     71 	rlp_next(&encoder, &l, &zbuf);
     72 	ck_assert_mem_eq(&encoder.state, &state, 1);
     73 	ck_assert_mem_eq(zbuf, x_dog, l);
     74 
     75 	state = RLP_END;
     76 	rlp_next(&encoder, &l, &zbuf);
     77 	ck_assert_mem_eq(&encoder.state, &state, 1);
     78 
     79 	rlp_free(&encoder);
     80 }
     81 END_TEST
     82 
     83 START_TEST(rlp_lorem_test) {
     84 	rlp_encoder_t encoder;
     85 
     86 	char buf[1024];
     87 	char *zbuf = (char*)&buf;
     88 	int l;
     89 	char state;
     90 
     91 	char *lorem = "Lorem ipsum dolor sit amet, consectetur adipisicing elit";
     92 	char target[2] = {0xb8, strlen(lorem)};
     93 
     94 	rlp_init(&encoder, 1024, NULL);
     95 	rlp_add(&encoder, strlen(lorem), lorem);
     96 	ck_assert_mem_eq(encoder.buf, target, 2);
     97 	ck_assert_mem_eq(encoder.buf+2, lorem, strlen(lorem));
     98 	ck_assert_int_eq(encoder.size, 2 + strlen(lorem));
     99 
    100 	// reuse for decode
    101 	state = RLP_STRING;
    102 	rlp_init(&encoder, strlen(lorem) + 2, encoder.buf);
    103 	rlp_next(&encoder, &l, &zbuf);
    104 	ck_assert_mem_eq(&encoder.state, &state, 1);
    105 	ck_assert_int_eq(l,  strlen(lorem));
    106 	ck_assert_mem_eq(zbuf, lorem, l);
    107 
    108 	state = RLP_END;
    109 	rlp_next(&encoder, &l, &zbuf);
    110 	ck_assert_mem_eq(&encoder.state, &state, 1);
    111 
    112 	rlp_free(&encoder);
    113 }
    114 END_TEST
    115 
    116 START_TEST(rlp_set_theoretical_representation_of_three) {
    117 
    118 	unsigned char target[8] = {0xc7, 0xc0, 0xc1, 0xc0, 0xc3, 0xc0, 0xc1, 0xc0};
    119 	int target_lengths[15] = {
    120 		7,
    121 		0,
    122 		0,
    123 		1,
    124 		0,
    125 		0,
    126 		0,
    127 		3,
    128 		0,
    129 		0,
    130 		1,
    131 		0,
    132 		0,
    133 		0,
    134 		0,
    135 	};
    136 
    137 	enum rlp_state target_states[15] = {
    138 		RLP_LIST_DESCEND,
    139 		RLP_LIST_DESCEND,
    140 		RLP_LIST_ASCEND,
    141 		RLP_LIST_DESCEND,
    142 		RLP_LIST_DESCEND,
    143 		RLP_LIST_ASCEND,
    144 		RLP_LIST_ASCEND,
    145 		RLP_LIST_DESCEND,
    146 		RLP_LIST_DESCEND,
    147 		RLP_LIST_ASCEND,
    148 		RLP_LIST_DESCEND,
    149 		RLP_LIST_DESCEND,
    150 		RLP_LIST_ASCEND,
    151 		RLP_LIST_ASCEND,
    152 		RLP_LIST_ASCEND,
    153 	};
    154 
    155 	char *zbuf = NULL;
    156 	int i;
    157 	int l;
    158 	char state = RLP_LIST_ASCEND;
    159 
    160 	rlp_encoder_t encoder;
    161 
    162 	rlp_init(&encoder, 1024, NULL);
    163 
    164 	// [  []  [ [] ]  [ [] [ []] ]  ]
    165 	rlp_descend(&encoder);
    166 
    167 	rlp_descend(&encoder);
    168 	rlp_ascend(&encoder);
    169 
    170 	rlp_descend(&encoder);
    171 	rlp_descend(&encoder);
    172 	rlp_ascend(&encoder);
    173 	rlp_ascend(&encoder);
    174 
    175 	rlp_descend(&encoder);
    176 	rlp_descend(&encoder);
    177 	rlp_ascend(&encoder);
    178 	rlp_descend(&encoder);
    179 	rlp_descend(&encoder);
    180 	rlp_ascend(&encoder);
    181 	rlp_ascend(&encoder);
    182 	rlp_ascend(&encoder);
    183 
    184 	rlp_ascend(&encoder);
    185 
    186 	ck_assert_mem_eq(encoder.buf, target, 8);
    187 	ck_assert_int_eq(encoder.size, 8);
    188 
    189 	rlp_init(&encoder, 1024, encoder.buf);
    190 	for (i = 0; i < 15; i++) {
    191 		rlp_next(&encoder, &l, &zbuf);
    192 		ck_assert_int_eq(target_states[i], encoder.state);
    193 		ck_assert_int_eq(target_lengths[i], l);
    194 	}
    195 
    196 	rlp_free(&encoder);
    197 }
    198 END_TEST
    199 
    200 START_TEST(rlp_ethereum_tx_unsigned) {
    201 	unsigned char target[] = {0xea, 0x80, 0x85, 0x04, 0xa8, 0x17, 0xc8, 0x00, 0x82, 0x52, 0x08, 0x94, 0x35, 0x35, 0x35, 0x35, 0x35, 0x35, 0x35, 0x35, 0x35, 0x35, 0x35, 0x35, 0x35, 0x35, 0x35, 0x35, 0x35, 0x35, 0x35, 0x35, 0x82, 0x03, 0xe8, 0x84, 0xde, 0xad, 0xbe, 0xef, 0x01, 0x80, 0x80};
    202 	unsigned char nonce[] = {0x01};
    203 	unsigned char gas_price[] = {0x04, 0xa8, 0x17, 0xc8, 0x00};
    204 	unsigned char gas_limit[] = {0x52, 0x08};
    205 	unsigned char to[] = {0x35, 0x35, 0x35, 0x35, 0x35, 0x35, 0x35, 0x35, 0x35, 0x35, 0x35, 0x35, 0x35, 0x35, 0x35, 0x35, 0x35, 0x35, 0x35, 0x35};
    206 	unsigned char value[] = {0x03, 0xe8};
    207 	unsigned char data[] = {0xde, 0xad, 0xbe, 0xef};
    208 	unsigned char v[] = {0x01};
    209 
    210 	rlp_encoder_t encoder;
    211 
    212 	rlp_init(&encoder, 1024, NULL);
    213 	rlp_descend(&encoder);
    214 	rlp_add(&encoder, 0, NULL);
    215 	rlp_add(&encoder, 5, gas_price);
    216 	rlp_add(&encoder, 2, gas_limit);
    217 	rlp_add(&encoder, 20, to);
    218 	rlp_add(&encoder, 2, value);
    219 	rlp_add(&encoder, 3, data);
    220 	rlp_add(&encoder, 1, v);
    221 	rlp_add(&encoder, 0, NULL);
    222 	rlp_add(&encoder, 0, NULL);
    223 	rlp_ascend(&encoder);
    224 
    225 	ck_assert_int_eq(sizeof(target), encoder.size);
    226 	int i;
    227 	for (i = 0; i < sizeof(target); i++) {
    228 		fprintf(stderr, "%d %x %x\n", i, (unsigned char)encoder.buf[i], target[i]);
    229 		if (target[i] != (unsigned char)encoder.buf[i]) {
    230 			rlp_free(&encoder);
    231 			ck_abort_msg("aiee");
    232 		}
    233 	}
    234 
    235 	ck_assert_mem_eq(encoder.buf, target, sizeof(target));
    236 	rlp_free(&encoder);
    237 
    238 }
    239 END_TEST
    240 
    241 START_TEST(rlp_ethereum_tx_signed) {
    242 
    243 	unsigned char target[] = {0xf8, 0x68, 0x01, 0x84, 0x3b, 0x9a, 0xca, 0x00, 0x82, 0x52, 0x08, 0x94, 0x16, 0xcf,0xb6, 0x34, 0x67,0x45, 0x2e, 0xcf, 0x15, 0xe9, 0xd6, 0xac, 0x48, 0xe9, 0xb4, 0xda, 0x62, 0x87, 0x16, 0xc4, 0x82, 0x04, 0x00, 0x83, 0x66, 0x6f, 0x6f, 0x26, 0xa0, 0xd8, 0x25, 0xb2, 0xe7, 0x97, 0x55, 0x0c, 0x14, 0x4f, 0x5e, 0x8a, 0xca, 0xe4, 0x52, 0xbd, 0x81, 0xe1, 0x94, 0x7f, 0xdc, 0xbc, 0x34, 0x30, 0x24, 0x0e, 0x44, 0xe9, 0x67, 0xb8, 0x21, 0x81, 0xf4, 0xa0, 0x30, 0x85, 0x6f, 0x4a, 0x51, 0xa8, 0xe9, 0x46, 0x4b, 0x50, 0x64, 0x90, 0xf4, 0xc7, 0xd3, 0x91, 0xc3, 0x86, 0xef, 0xe1, 0x13, 0x4c, 0xab, 0xb5, 0x46, 0xdf, 0xa4, 0x26, 0x0f, 0x80, 0x1c, 0x6a};
    244 	unsigned char nonce[] = {0x01};
    245 	unsigned char gas_price[] = {0x3b, 0x9a, 0xca, 0x00};
    246 	unsigned char gas_limit[] = {0x52, 0x08};
    247 	unsigned char to[] = {0x16, 0xcf,0xb6, 0x34, 0x67,0x45, 0x2e, 0xcf, 0x15, 0xe9, 0xd6, 0xac, 0x48, 0xe9, 0xb4, 0xda, 0x62, 0x87, 0x16, 0xc4};
    248 	unsigned char value[] = {0x04, 0x00};
    249 	unsigned char data[] = {0x66, 0x6f, 0x6f};
    250 	unsigned char v[] = {0x26};
    251 	unsigned char r[] = {0xd8, 0x25, 0xb2, 0xe7, 0x97, 0x55, 0x0c, 0x14, 0x4f, 0x5e, 0x8a, 0xca, 0xe4, 0x52, 0xbd, 0x81, 0xe1, 0x94, 0x7f, 0xdc, 0xbc, 0x34, 0x30, 0x24, 0x0e, 0x44, 0xe9, 0x67, 0xb8, 0x21, 0x81, 0xf4};
    252 	unsigned char s[] = {0x30, 0x85, 0x6f, 0x4a, 0x51, 0xa8, 0xe9, 0x46, 0x4b, 0x50, 0x64, 0x90, 0xf4, 0xc7, 0xd3, 0x91, 0xc3, 0x86, 0xef, 0xe1, 0x13, 0x4c, 0xab, 0xb5, 0x46, 0xdf, 0xa4, 0x26, 0x0f, 0x80, 0x1c, 0x6a};
    253 
    254 	rlp_encoder_t encoder;
    255 
    256 	rlp_init(&encoder, 1024, NULL);
    257 	rlp_descend(&encoder);
    258 	rlp_add(&encoder, 1, nonce);	
    259 	rlp_add(&encoder, 4, gas_price);
    260 	rlp_add(&encoder, 2, gas_limit);
    261 	rlp_add(&encoder, 20, to);
    262 	rlp_add(&encoder, 2, value);
    263 	rlp_add(&encoder, 3, data);
    264 	rlp_add(&encoder, 1, v);
    265 	rlp_add(&encoder, 32, r);
    266 	rlp_add(&encoder, 32, s);
    267 	rlp_ascend(&encoder);
    268 
    269 	int i;
    270 	for (i = 0; i < sizeof(target); i++) {
    271 		fprintf(stderr, "%d %x %x\n", i, (unsigned char)encoder.buf[i], target[i]);
    272 		if (target[i] != (unsigned char)encoder.buf[i]) {
    273 			rlp_free(&encoder);
    274 			ck_abort_msg("aiee");
    275 		}
    276 	}
    277 
    278 	ck_assert_mem_eq(encoder.buf, target, sizeof(target));
    279 	ck_assert_int_eq(sizeof(target), encoder.size);
    280 	rlp_free(&encoder);
    281 }
    282 END_TEST
    283 
    284 Suite *rlp_vector_suite(void) {
    285 	Suite *s;
    286 	TCase *tcb;
    287 
    288 	s = suite_create("rlp_vector");
    289 	tcb = tcase_create("basic"); // examples from https://eth.wiki/fundamentals/rlp
    290 //	tcase_add_test(tcb, rlp_dog_test);
    291 //	tcase_add_test(tcb, rlp_catdog_test);
    292 //	tcase_add_test(tcb, rlp_lorem_test);
    293 //	tcase_add_test(tcb, rlp_set_theoretical_representation_of_three);
    294 //	tcase_add_test(tcb, rlp_set_theoretical_representation_of_three);
    295 	tcase_add_test(tcb, rlp_ethereum_tx_unsigned);
    296 //	tcase_add_test(tcb, rlp_ethereum_tx_signed);
    297 	suite_add_tcase(s, tcb);
    298 
    299 
    300 	return s;
    301 }
    302 
    303 
    304 int main(void) {
    305 	int num_fail;
    306 
    307 	Suite *s;
    308 	SRunner *sr;
    309 
    310 	s = rlp_vector_suite();
    311 	sr = srunner_create(s);
    312 
    313 	srunner_run_all(sr, CK_VERBOSE);
    314 	num_fail = srunner_ntests_failed(sr);
    315 	srunner_free(sr);
    316 
    317 	return (num_fail == 0) ? EXIT_SUCCESS : EXIT_FAILURE;
    318 }