/**
* Check a message signature against this address. If this address
* is invalid, false is returned.
* @param msg The message that should be signed.
* @param sig The message's signature.
* @return True iff the signature matches the message.
*/
bool
CoinInterface::Address::verifySignature (const std::string& msg,
const std::string& sig) const
{
if (!valid)
return false;
try
{
JsonRpc::JsonData res = rpc->executeRpc ("verifymessage", addr, sig, msg);
return (res.isBool () && res.asBool ());
}
catch (const JsonRpc::RpcError& exc)
{
// Malformed base64?
if (exc.getErrorCode () == -5)
return false;
throw exc;
}
}
