void btc_tx_serialize(cstring* s, const btc_tx* tx)
{
ser_s32(s, tx->version);
ser_varlen(s, tx->vin ? tx->vin->len : 0);
unsigned int i;
if (tx->vin) {
for (i = 0; i < tx->vin->len; i++) {
btc_tx_in* tx_in;
tx_in = vector_idx(tx->vin, i);
btc_tx_in_serialize(s, tx_in);
}
}
ser_varlen(s, tx->vout ? tx->vout->len : 0);
if (tx->vout) {
for (i = 0; i < tx->vout->len; i++) {
btc_tx_out* tx_out;
tx_out = vector_idx(tx->vout, i);
btc_tx_out_serialize(s, tx_out);
}
}
ser_u32(s, tx->locktime);
}
void logdb_record_ser(logdb_record* rec, cstring *buf)
{
ser_bytes(buf, &rec->mode, 1);
ser_varlen(buf, rec->key->len);
ser_bytes(buf, rec->key->str, rec->key->len);
/* write value for a WRITE operation */
if (rec->mode == RECORD_TYPE_WRITE)
{
ser_varlen(buf, rec->value->len);
ser_bytes(buf, rec->value->str, rec->value->len);
}
}
cstring *ser_msg_vinv(const struct msg_vinv *mv)
{
cstring *s = cstr_new(NULL);
if (!mv || !mv->invs || !mv->invs->len) {
ser_varlen(s, 0);
return s;
}
ser_varlen(s, mv->invs->len);
unsigned int i;
for (i = 0; i < mv->invs->len; i++) {
struct bp_inv *inv;
inv = parr_idx(mv->invs, i);
ser_bp_inv(s, inv);
}
return s;
}
cstring *ser_msg_headers(const struct msg_headers *mh)
{
cstring *s = cstr_new(NULL);
if (!mh || !mh->headers || !mh->headers->len) {
ser_varlen(s, 0);
return s;
}
ser_varlen(s, mh->headers->len);
unsigned int i;
for (i = 0; i < mh->headers->len; i++) {
struct bp_block *block;
block = parr_idx(mh->headers, i);
ser_bp_block(s, block);
}
return s;
}
cstring *ser_msg_addr(unsigned int protover, const struct msg_addr *ma)
{
cstring *s = cstr_new(NULL);
if (!ma || !ma->addrs || !ma->addrs->len) {
ser_varlen(s, 0);
return s;
}
ser_varlen(s, ma->addrs->len);
unsigned int i;
for (i = 0; i < ma->addrs->len; i++) {
struct bp_address *addr;
addr = parr_idx(ma->addrs, i);
ser_bp_addr(s, protover, addr);
}
return s;
}
static cstring *ser_wallet_root(const struct wallet *wlt)
{
cstring *rs = cstr_new_sz(8);
ser_u32(rs, wlt->version);
ser_bytes(rs, &wlt->chain->netmagic[0], 4);
const uint32_t n_settings = 1;
ser_varlen(rs, n_settings);
ser_str(rs, "def_acct", 64);
ser_varstr(rs, wlt->def_acct);
return rs;
}
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);
}
void bp_tx_sigserializer(cstring *s, const cstring *scriptCode,
const struct bp_tx *txTo, unsigned int nIn,
int nHashType)
{
const bool fAnyoneCanPay = (!!(nHashType & SIGHASH_ANYONECANPAY));
const bool fHashSingle = ((nHashType & 0x1f) == SIGHASH_SINGLE);
const bool fHashNone = ((nHashType & 0x1f) == SIGHASH_NONE);
/** Serialize txTo */
// Serialize nVersion
ser_u32(s, txTo->nVersion);
// Serialize vin
unsigned int nInputs = fAnyoneCanPay ? 1 : txTo->vin->len;
ser_varlen(s, nInputs);
unsigned int nInput;
for (nInput = 0; nInput < nInputs; nInput++) {
/** Serialize an input of txTo */
// In case of SIGHASH_ANYONECANPAY, only the input being signed is serialized
if (fAnyoneCanPay)
nInput = nIn;
struct bp_txin *txin = parr_idx(txTo->vin, nInput);
// Serialize the prevout
ser_bp_outpt(s, &txin->prevout);
// Serialize the script
if (nInput != nIn)
// Blank out other inputs' signatures
ser_varlen(s, (int)0);
else if (scriptCode == NULL)
cstr_append_c(s, 0);
else {
/** Serialize the passed scriptCode, skipping OP_CODESEPARATORs */
struct const_buffer it = { scriptCode->str, scriptCode->len };
struct const_buffer itBegin = it;
struct bscript_op op;
unsigned int nCodeSeparators = 0;
struct bscript_parser bp;
bsp_start(&bp, &it);
while (bsp_getop(&op, &bp)) {
if (op.op == OP_CODESEPARATOR)
nCodeSeparators++;
}
ser_varlen(s, scriptCode->len - nCodeSeparators);
it = itBegin;
bsp_start(&bp, &it);
while (bsp_getop(&op, &bp)) {
if (op.op == OP_CODESEPARATOR) {
ser_bytes(s, itBegin.p, it.p - itBegin.p - 1);
itBegin = it;
}
}
if (itBegin.p != scriptCode->str + scriptCode->len)
ser_bytes(s, itBegin.p, it.p - itBegin.p);
}
// Serialize the nSequence
if ((nInput != nIn) && (fHashSingle || fHashNone))
// let the others update at will
ser_u32(s, (int)0);
else
ser_u32(s, txin->nSequence);
}
// Serialize vout
unsigned int nOutputs = fHashNone ? 0 : (fHashSingle ? (nIn + 1) : txTo->vout->len);
ser_varlen(s, nOutputs);
unsigned int nOutput;
for (nOutput = 0; nOutput < nOutputs; nOutput++) {
struct bp_txout *txout = parr_idx(txTo->vout, nOutput);
if (fHashSingle && (nOutput != nIn))
// Do not lock-in the txout payee at other indices as txin;
bp_txout_set_null(txout);
ser_bp_txout(s, txout);
}
// Serialize nLockTime
ser_u32(s, txTo->nLockTime);
}