int serialize_varint(struct buff *buf, const uint64 val) {
int res;
uint8 c;
if (val < 253) {
c = val;
return serialize_uint8(buf, c);
} else if (val < 0x10000) {
uint16 len16 = val;
c = 253;
res = serialize_uint8(buf, c);
if (res) {
return res;
}
return serialize_uint16(buf, len16);
} else {
uint32 len32 = val;
c = 254;
res = serialize_uint8(buf, c);
if (res) {
return res;
}
return serialize_uint32(buf, len32);
}
}
// Should write versions numbers and base name
void Cacher::write_header(void){
if (file.is_open()) file.close();
file.open(m_cacheFilename.c_str(), ios::out|ios::binary);
serialize_uint8(CACHER_MAJOR_VERSION);
serialize_uint8(CACHER_MINOR_VERSION);
serialize_string(m_baseName);
serialize_nl();
}
int script_txo_generate(const uint160 *pubkey, uint8 **script,
uint64 *scriptLen) {
struct buff *buf = buff_alloc();
serialize_uint8(buf, OP_DUP);
serialize_uint8(buf, OP_HASH160);
script_push_data(buf, pubkey, sizeof *pubkey);
serialize_uint8(buf, OP_EQUALVERIFY);
serialize_uint8(buf, OP_CHECKSIG);
*script = buff_base(buf);
*scriptLen = buff_curlen(buf);
free(buf);
return 0;
}
static void script_push_data(struct buff *buf, const void *data, size_t len) {
ASSERT(buf->grow);
Log("%s: len=%zu / %#zx\n", __FUNCTION__, len, len);
if (len < OP_PUSHDATA1) {
serialize_uint8(buf, len);
} else if (len <= 0xff) {
serialize_uint8(buf, OP_PUSHDATA1);
serialize_uint8(buf, len);
} else if (len <= 0xffff) {
serialize_uint8(buf, OP_PUSHDATA2);
serialize_uint16(buf, len);
} else {
serialize_uint8(buf, OP_PUSHDATA4);
serialize_uint32(buf, len);
}
serialize_bytes(buf, data, len);
}
void serialize_header(pokeheader *header, char **outstream)
{
char buff8;
char buff8b;
char *buff32 = ( char *) malloc(4*sizeof( char));
buff32 = serialize_uint32(buff32, header->type);
buff8 = serialize_uint8(buff8, header->id);
buff8b = serialize_uint8(buff8b, header->data_size);
char *instream = ( char *) malloc(7* sizeof( char));
for(int i = 0; i< 4; i++){
instream[i] = buff32[i];
}
instream[4] = buff8;
instream[5] = buff8b;
memcpy(*outstream, instream, 7 );
free(buff32);
free(instream);
}
