/**
* Sign a message with this address. This may throw if the address
* is invalid, the wallet locked or the private key is not owned.
* @param msg The message that should be signed.
* @return The message's signature.
* @throws NoPrivateKey if this address is not owned.
* @throws std::runtime_error if the address is invalid or the wallet locked.
*/
std::string
CoinInterface::Address::signMessage (const std::string& msg) const
{
if (!valid)
throw std::runtime_error ("Can't sign with invalid address.");
try
{
const JsonRpc::JsonData res = rpc->executeRpc ("signmessage", addr, msg);
return res.asString ();
}
catch (const JsonRpc::RpcError& exc)
{
switch (exc.getErrorCode ())
{
case -13:
throw std::runtime_error ("Need to unlock the wallet first.");
case -3:
{
std::ostringstream msg;
msg << "You don't have the private key of " << addr << " in order"
<< " to sign messages with that address.";
throw NoPrivateKey (msg.str ());
}
default:
throw exc;
}
}
}
ZR::BitcoinAddress ZrSatoshiBitcoin::mkOrderAddress( const ZR::ZR_Number & amount )
{
std::string addr = newAddress();
if( addr.empty() )
return addr;
try{
JsonRpc rpc( m_settings );
JsonRpc::JsonData res = rpc.executeRpc ( "sendtoaddress", addr, JsonRpc::JsonData( amount.toDouble() ) );
// TODO: Error handling
std::string id = res.asString();
// make sure the Satoshi client does not touch "id"
// this will go away if the Satoshi client is restarted
// may be unnecessary for other implementations of this class, e.g. libbitcoin
JsonRpc::JsonData addrArray( Json::arrayValue );
addrArray.append( addr );
JsonRpc::JsonData res2 = rpc.executeRpc ( "listunspent", 0, 999999, addrArray );
unsigned int vout = res2[0u][ "vout" ].asUInt();
JsonRpc::JsonData lockObjArray( Json::arrayValue );
JsonRpc::JsonData lockObj;
lockObj[ "txid" ] = id;
lockObj[ "vout" ] = vout;
lockObjArray.append( lockObj );
JsonRpc::JsonData res1 = rpc.executeRpc ( "lockunspent", true, lockObjArray );
}
catch( std::runtime_error e ){
g_ZeroReservePlugin->placeMsg( std::string( "Exception caught at " ) + __func__ + ": " + e.what() + " Cannot make an order address. Insufficient funds? If you have enough, try restarting the Satoshi Client." );
std::cerr << "Zero Reserve: " << __func__ << ": Exception caught: " << e.what() << std::endl;
print_stacktrace();
return std::string();
}
return addr;
}
const ZR::BitcoinAddress ZrSatoshiBitcoin::newAddress() const
{
std::string addr;
try{
JsonRpc rpc( m_settings );
JsonRpc::JsonData resAddr = rpc.executeRpc ( "getnewaddress" );
addr = resAddr.asString();
}
catch( std::runtime_error e ){
std::cerr << "Zero Reserve: " << __func__ << ": Exception caught: " << e.what() << std::endl;
g_ZeroReservePlugin->placeMsg( std::string( "Exception caught at " ) + __func__ + ": " + e.what() + " Cannot create new Bitcoin address." );
print_stacktrace();
}
return addr;
}
ZR::MyWallet * ZrSatoshiBitcoin::mkWallet( ZR::MyWallet::WalletType wType )
{
JsonRpc rpc( m_settings );
try{
if( wType == ZR::MyWallet::WIFIMPORT ){
JsonRpc::JsonData res = rpc.executeRpc ( "getnewaddress" );
ZR::BitcoinAddress address = res.asString();
return new SatoshiWallet( address, 0 );
}
}
catch( std::runtime_error e ){
std::cerr << "Zero Reserve: " << __func__ << ": Exception caught: " << e.what() << std::endl;
print_stacktrace();
}
return NULL;
}
/**
* Create a new address (as per "getnewaddress") and return it.
* @return Newly created address.
*/
CoinInterface::Address
CoinInterface::createAddress ()
{
const JsonRpc::JsonData addr = rpc.executeRpc ("getnewaddress");
return Address (rpc, addr.asString ());
}