Function encryptwallet

src/rpcwallet.cpp:2227–2274

UniValue encryptwallet(const UniValue& params, bool fHelp)
{
    if (!pwalletMain->IsCrypted() && (fHelp || params.size() != 1))
        throw runtime_error(
            "encryptwallet \"passphrase\"\n"
            "\nEncrypts the wallet with 'passphrase'. This is for first time encryption.\n"
            "After this, any calls that interact with private keys such as sending or signing \n"
            "will require the passphrase to be set prior the making these calls.\n"
            "Use the walletpassphrase call for this, and then walletlock call.\n"
            "If the wallet is already encrypted, use the walletpassphrasechange call.\n"
            "Note that this will shutdown the server.\n"
            "\nArguments:\n"
            "1. \"passphrase\"    (string) The pass phrase to encrypt the wallet with. It must be at least 1 character, but should be long.\n"
            "\nExamples:\n"
            "\nEncrypt you wallet\n" +
            HelpExampleCli("encryptwallet", "\"my pass phrase\"") +
            "\nNow set the passphrase to use the wallet, such as for signing or sending LUXs\n" + HelpExampleCli("walletpassphrase", "\"my pass phrase\"") +
            "\nNow we can so something like sign\n" + HelpExampleCli("signmessage", "\"luxaddress\" \"test message\"") +
            "\nNow lock the wallet again by removing the passphrase\n" + HelpExampleCli("walletlock", "") +
            "\nAs a json rpc call\n" + HelpExampleRpc("encryptwallet", "\"my pass phrase\""));

    LOCK2(cs_main, pwalletMain->cs_wallet);

    if (fHelp)
        return true;
    if (pwalletMain->IsCrypted())
        throw JSONRPCError(RPC_WALLET_WRONG_ENC_STATE, "Error: running with an encrypted wallet, but encryptwallet was called.");

    // TODO: get rid of this .c_str() by implementing SecureString::operator=(std::string)
    // Alternately, find a way to make params[0] mlock()'d to begin with.
    SecureString strWalletPass;
    strWalletPass.reserve(100);
    strWalletPass = params[0].get_str().c_str();

    if (strWalletPass.length() < 1)
        throw runtime_error(
            "encryptwallet <passphrase>\n"
            "Encrypts the wallet with <passphrase>.");

    if (!pwalletMain->EncryptWallet(strWalletPass))
        throw JSONRPCError(RPC_WALLET_ENCRYPTION_FAILED, "Error: Failed to encrypt the wallet.");

    // BDB seems to have a bad habit of writing old data into
    // slack space in .dat files; that is bad if the old data is
    // unencrypted private keys. So:
    StartShutdown();
    return "wallet encrypted; lux server stopping, restart to run with encrypted wallet. The keypool has been flushed, you need to make a new backup.";
}

UniValue lockunspent(const UniValue& params, bool fHelp)
{