bool deser_msg_addr(unsigned int protover, struct msg_addr *ma, struct const_buffer *buf) { memset(ma, 0, sizeof(*ma)); uint32_t vlen; if (!deser_varlen(&vlen, buf)) return false; ma->addrs = parr_new(vlen, free); unsigned int i; for (i = 0; i < vlen; i++) { struct bp_address *addr; addr = calloc(1, sizeof(*addr)); if (!deser_bp_addr(protover, addr, buf)) { free(addr); goto err_out; } parr_add(ma->addrs, addr); } return true; err_out: msg_addr_free(ma); return false; }
bool deser_msg_headers(struct msg_headers *mh, struct const_buffer *buf) { msg_headers_free(mh); uint32_t vlen; if (!deser_varlen(&vlen, buf)) return false; mh->headers = parr_new(vlen, free); unsigned int i; for (i = 0; i < vlen; i++) { struct bp_block *block; block = calloc(1, sizeof(*block)); if (!deser_bp_block(block, buf)) { free(block); goto err_out; } parr_add(mh->headers, block); } return true; err_out: msg_headers_free(mh); return false; }
bool deser_msg_vinv(struct msg_vinv *mv, struct const_buffer *buf) { msg_vinv_free(mv); uint32_t vlen; if (!deser_varlen(&vlen, buf)) return false; mv->invs = parr_new(vlen, free); unsigned int i; for (i = 0; i < vlen; i++) { struct bp_inv *inv; inv = calloc(1, sizeof(*inv)); if (!deser_bp_inv(inv, buf)) { free(inv); goto err_out; } parr_add(mv->invs, inv); } return true; err_out: msg_vinv_free(mv); return false; }
int btc_tx_deserialize(const unsigned char* tx_serialized, size_t inlen, btc_tx* tx) { struct const_buffer buf = {tx_serialized, inlen}; //tx needs to be initialized deser_s32(&tx->version, &buf); uint32_t vlen; if (!deser_varlen(&vlen, &buf)) return false; unsigned int i; for (i = 0; i < vlen; i++) { btc_tx_in* tx_in = btc_tx_in_new(); if (!btc_tx_in_deserialize(tx_in, &buf)) { free(tx_in); } vector_add(tx->vin, tx_in); } if (!deser_varlen(&vlen, &buf)) return false; for (i = 0; i < vlen; i++) { btc_tx_out* tx_out = btc_tx_out_new(); if (!btc_tx_out_deserialize(tx_out, &buf)) { free(tx_out); } vector_add(tx->vout, tx_out); } if (!deser_u32(&tx->locktime, &buf)) return false; return true; }
void test_serialize() { char hex0[] = "28969cdfa74a12c82f3bad960b0b000aca2ac329deea5c2328ebc6f2ba9802c1"; char hex1[] = "28969cdfa74a12c82f3bad960b0b000aca2ac329deea5c2328ebc6f2ba9802c2"; char hex2[] = "28969cdfa74a12c82f3bad960b0b000aca2ac329deea5c2328ebc6f2ba9802c3"; uint8_t* hash0 = malloc(32); uint8_t* hash1 = malloc(32); uint8_t* hash2 = malloc(32); memcpy(hash0, utils_hex_to_uint8(hex0), 32); memcpy(hash1, utils_hex_to_uint8(hex1), 32); memcpy(hash2, utils_hex_to_uint8(hex2), 32); vector* vec = vector_new(5, free); vector_add(vec, hash0); vector_add(vec, hash1); vector_add(vec, hash2); cstring* s = cstr_new_sz(200); ser_u256_vector(s, vec); vector_free(vec, true); vector* vec2 = vector_new(0, NULL); struct const_buffer buf = {s->str, s->len}; deser_u256_vector(&vec2, &buf); vector_free(vec2, true); cstr_free(s, true); cstring* s2 = cstr_new_sz(200); ser_u16(s2, 0xAAFF); ser_u32(s2, 0xDDBBAAFF); ser_u64(s2, 0x99FF99FFDDBBAAFF); ser_varlen(s2, 10); ser_varlen(s2, 1000); ser_varlen(s2, 100000000); ser_str(s2, "test", 4); cstring* s3 = cstr_new("foo"); ser_varstr(s2, s3); cstr_free(s3, true); // ser_varlen(s2, (uint64_t)0x9999999999999999); // uint64 varlen is not supported right now struct const_buffer buf2 = {s2->str, s2->len}; uint16_t num0; deser_u16(&num0, &buf2); assert(num0 == 43775); //0xAAFF uint32_t num1; deser_u32(&num1, &buf2); assert(num1 == 3720063743); //0xDDBBAAFF uint64_t num2; deser_u64(&num2, &buf2); assert(num2 == 0x99FF99FFDDBBAAFF); //0x99FF99FFDDBBAAFF uint32_t num3; deser_varlen(&num3, &buf2); assert(num3 == 10); deser_varlen(&num3, &buf2); assert(num3 == 1000); deser_varlen(&num3, &buf2); assert(num3 == 100000000); char strbuf[255]; deser_str(strbuf, &buf2, 255); assert(strncmp(strbuf, "test", 4) == 0); cstring* deser_test = cstr_new_sz(0); deser_varstr(&deser_test, &buf2); assert(strncmp(deser_test->str, "foo", 3) == 0); cstr_free(deser_test, true); cstr_free(s2, true); }