/**
* Construct with NMC_Interface to take the connections from. It also
* queries the database to fill in the pending registrations.
* @param nmc NMC_Interface instance to use.
*/
NMC_NameManager::NMC_NameManager (NMC_Interface& nmc)
: rpc(nmc.getJsonRpc ()), nc(nmc.getNamecoin ()),
pendingRegs()
{
if (instance != nullptr)
qDebug () << "Error: Already have a NMC_NameManager instance!";
else
instance = this;
const QString query = "SELECT `regData` FROM `nmc_names`"
" WHERE (`regData` IS NOT NULL) AND (NOT `active`)";
/* FIXME: Replace by lambda expression if we use C++11-only. */
AddPendingRegFunctor addPendingReg(*this);
qDebug () << "Loading pending name registrations:";
DBHandler::getInstance ()->queryMultiple (query, addPendingReg);
}
/**
* For a given Nym ID and credential ID, find the Namecoin status text
* to display for it.
* @param nym Nym ID.
* @param cred Master credential hash.
* @return The string to display as status text.
*/
QString
MTCredentials::getNamecoinStatus (const std::string& nym,
const std::string& cred)
{
QString res;
bool found = false;
NMC_Interface nmc;
nmcrpc::NamecoinInterface& nc = nmc.getNamecoin ();
NameStatusFunctor nameHandler (nc, res, found, nym, cred);
DBHandler& db = *DBHandler::getInstance ();
const QString queryStr = "SELECT `name`, `active`, `updateTx`"
" FROM `nmc_names`"
" WHERE `nym` = :nym AND `cred` = :cred";
#ifdef CXX_11
std::unique_ptr<DBHandler::PreparedQuery> qu;
#else /* CXX_11? */
std::auto_ptr<DBHandler::PreparedQuery> qu;
#endif /* CXX_11? */
qu.reset (db.prepareQuery (queryStr));
qu->bind (":nym", nym.c_str ());
qu->bind (":cred", cred.c_str ());
try
{
db.queryMultiple (qu.release (), nameHandler);
}
catch (const nmcrpc::JsonRpc::RpcError& exc)
{
qDebug () << "NMC RPC Error: " << exc.getErrorMessage ().c_str ();
res = tr("error");
}
catch (const std::exception& exc)
{
qDebug () << "Error: " << exc.what ();
res = tr("error");
}
return res;
}