bool zerotime_lock::decode(data_buffer & buffer)
{
/**
* Decode the version.
*/
m_version = buffer.read_uint32();
assert(m_version == current_version);
/**
* Decode the transaction.
*/
m_transaction.decode(buffer);
/**
* Decode the transaction hash.
*/
buffer.read_bytes(
reinterpret_cast<char *> (m_hash_tx.digest()), sha256::digest_length
);
assert(m_transaction.get_hash() == m_hash_tx);
/**
* Decode the expiration.
*/
m_expiration = buffer.read_uint64();
/**
* Enforce the expiration.
*/
if (
m_expiration < time::instance().get_adjusted() + interval_min_expire ||
m_expiration > time::instance().get_adjusted() + interval_max_expire
)
{
m_expiration = time::instance().get_adjusted() + interval_min_expire;
}
/**
* No signature is required because:
* 1. The receiver may want to lock a non-zerotime transaction.
* 2. It causes no harm to let other's lock the transaction.
* 3. It conserves bandwidth and processing power.
*/
return m_transaction.get_hash() == m_hash_tx;
}
bool db_wallet::read_key_value(
wallet & w, data_buffer & buffer_key,
data_buffer & buffer_value, std::int32_t & file_version,
std::vector<sha256> & wallet_upgrade, bool & is_encrypted,
bool & any_unordered, std::string & type, std::string & err
)
{
type.clear();
type.resize(buffer_key.read_var_int());
buffer_key.read_bytes(
const_cast<char *> (type.data()), type.size()
);
if (type == "name")
{
std::string addr;
auto len = buffer_key.read_var_int();
if (len > 0)
{
addr.resize(len);
buffer_key.read_bytes(
const_cast<char *> (addr.data()), addr.size()
);
}
std::string value;
len = buffer_value.read_var_int();
if (len > 0)
{
value.resize(len);
buffer_value.read_bytes(
const_cast<char *> (value.data()), value.size()
);
}
w.address_book()[address(addr).get()] = value;
}
else if (type == "tx")
{
sha256 hash = buffer_key.read_sha256();
auto & wtx = w.transactions()[hash];
wtx.decode(buffer_value);
if (wtx.get_hash() == hash)
{
wtx.bind_wallet(w);
}
else
{
w.transactions().erase(hash);
return false;
}
/**
* Undo serialize changes in 31600.
*/
if (
31404 <= wtx.time_received_is_tx_time() &&
wtx.time_received_is_tx_time() <= 31703
)
{
if (buffer_value.remaining() > 0)
{
char tmp;
char unused;
buffer_value.read_bytes(&tmp, sizeof(tmp));
buffer_value.read_bytes(&unused, sizeof(unused));
wtx.from_account().clear();
wtx.from_account().resize(buffer_value.read_var_int());
buffer_value.read_bytes(
const_cast<char *> (wtx.from_account().data()),
wtx.from_account().size()
);
wtx.set_time_received_is_tx_time(tmp);
}
else
{
wtx.set_time_received_is_tx_time(0);
}
wallet_upgrade.push_back(hash);
}
if (wtx.order_position() == -1)
{
any_unordered = true;
}
}
else if (type == "acentry")
{
std::string acct;
auto len = buffer_key.read_var_int();
if (len > 0)
{
acct.resize(len);
buffer_key.read_bytes(
const_cast<char *> (acct.data()), acct.size()
);
}
std::uint64_t entry_number = buffer_key.read_uint64();
if (entry_number > g_accounting_entry_number)
{
g_accounting_entry_number = entry_number;
}
if (any_unordered == false)
{
accounting_entry entry;
entry.decode(buffer_value);
if (entry.order_position() == -1)
{
any_unordered = true;
}
}
}
else if (type == "key" || type == "wkey")
{
std::vector<std::uint8_t> pub_key;
auto len_public_key = buffer_key.read_var_int();
if (len_public_key > 0)
{
pub_key.resize(len_public_key);
buffer_key.read_bytes(
reinterpret_cast<char *>(&pub_key[0]), pub_key.size()
);
}
key k;
if (type == "key")
{
key::private_t pkey;
auto len_private_key = buffer_value.read_var_int();
if (len_private_key > 0)
{
pkey.resize(len_private_key);
buffer_value.read_bytes(
reinterpret_cast<char *>(&pkey[0]), pkey.size()
);
}
k.set_public_key(pub_key);
if (k.set_private_key(pkey) == false)
{
err = "private key is corrupt";
return false;
}
if (k.get_public_key() != pub_key)
{
err = "public key inconsistency";
return false;
}
if (k.is_valid() == false)
{
err = "invalid private key";
return false;
}
}
else
{
key_wallet wkey;
wkey.decode(buffer_value);
k.set_public_key(pub_key);
if (k.set_private_key(wkey.key_private()) == false)
{
err = "private key is corrupt";
return false;
}
if (k.get_public_key() != pub_key)
{
err = "public key inconsistency";
return false;
}
if (k.is_valid() == false)
{
err = "invalid wallet key";
return false;
}
}
if (w.load_key(k) == false)
{
err = "load key failed";
return false;
}
}
else if (type == "mkey")
{
auto id = buffer_key.read_uint32();
key_wallet_master master_key;
master_key.decode(buffer_value);
if (w.master_keys().count(id) != 0)
{
err = "duplicate master key id " + std::to_string(id);
return false;
}
w.master_keys()[id] = master_key;
if (w.master_key_max_id() < id)
{
w.set_master_key_max_id(id);
}
}
else if (type == "ckey")
{
std::vector<std::uint8_t> pub_key;
auto len = buffer_key.read_var_int();
if (len > 0)
{
pub_key.resize(len);
buffer_key.read_bytes(
reinterpret_cast<char *> (&pub_key[0]), pub_key.size()
);
}
std::vector<std::uint8_t> pri_key;
len = buffer_value.read_var_int();
if (len > 0)
{
pri_key.resize(len);
buffer_value.read_bytes(
reinterpret_cast<char *> (&pri_key[0]), pri_key.size()
);
}
if (w.load_crypted_key(pub_key, pri_key) == false)
{
err = "load crypted key failed";
return false;
}
is_encrypted = true;
}
else if (type == "defaultkey")
{
/**
* Allocate the default public key.
*/
key_public key_public_default;
/**
* Decode the default public key.
*/
if (key_public_default.decode(buffer_value))
{
/**
* Set the default public key.
*/
w.set_key_public_default(key_public_default);
}
}
else if (type == "pool")
{
auto index = buffer_key.read_int64();
w.get_key_pool().insert(index);
}
else if (type == "version")
{
file_version = buffer_value.read_uint32();
if (file_version == 10300)
{
file_version = 300;
}
}
else if (type == "cscript")
{
auto digest = buffer_key.read_bytes(ripemd160::digest_length);
auto len = buffer_value.read_var_int();
if (len > 0)
{
script s(len);
buffer_value.read_bytes(reinterpret_cast<char *> (&s[0]), s.size());
if (w.load_c_script(s) == false)
{
err = "load c script failed";
return false;
}
}
}
else if (type == "orderposnext")
{
std::int64_t order_position_next = buffer_value.read_int64();
w.set_order_position_next(order_position_next);
}
return true;
}
bool incentive_collaterals::decode(data_buffer & buffer)
{
/**
* Decode the version.
*/
m_version = buffer.read_uint32();
assert(m_version == current_version);
/**
* Read the number of collateral entries.
*/
auto count = buffer.read_var_int();
/**
* Read each collateral entry.
*/
for (auto i = 0; i < count; i++)
{
address_manager::recent_endpoint_t collateral;
/**
* Read the address.
*/
collateral.addr = buffer.read_network_address(false, true);
auto len = buffer.read_var_int();
collateral.wallet_address.resize(len);
/**
* Read the wallet address.
*/
buffer.read_bytes(
const_cast<char *> (collateral.wallet_address.data()),
collateral.wallet_address.size()
);
/**
* Read the public key.
*/
collateral.public_key.decode(buffer);
/**
* Read the transaction_in.
*/
collateral.tx_in.decode(buffer);
/**
* Read the time.
*/
collateral.time = buffer.read_uint64();
/**
* Read the protocol version.
*/
collateral.protocol_version = buffer.read_uint32();
/**
* Read the protocol version user agent length.
*/
len = buffer.read_var_int();
collateral.protocol_version_user_agent.resize(len);
/**
* Read the protocol version user agent.
*/
buffer.read_bytes(
const_cast<char *> (collateral.protocol_version_user_agent.data()),
collateral.protocol_version_user_agent.size()
);
/**
* Read the protocol version services.
*/
collateral.protocol_version_services = buffer.read_uint64();
/**
* Read the protocol version start height.
*/
collateral.protocol_version_start_height = buffer.read_int32();
m_collaterals.insert(collateral);
}
return true;
}