//------------------------------------------------------------------------------
/*
    Copyright (c) 2011-2013, OpenCoin, Inc.
*/
//==============================================================================

SETUP_LOG (RippleAddress)

RippleAddress::RippleAddress ()
    : mIsValid (false)
{
    nVersion = VER_NONE;
}

void RippleAddress::clear ()
{
    nVersion = VER_NONE;
    vchData.clear ();
}

bool RippleAddress::isSet () const
{
    return nVersion != VER_NONE;
}

std::string RippleAddress::humanAddressType () const
{
    switch (nVersion)
    {
    case VER_NONE:
        return "VER_NONE";

    case VER_NODE_PUBLIC:
        return "VER_NODE_PUBLIC";

    case VER_NODE_PRIVATE:
        return "VER_NODE_PRIVATE";

    case VER_ACCOUNT_ID:
        return "VER_ACCOUNT_ID";

    case VER_ACCOUNT_PUBLIC:
        return "VER_ACCOUNT_PUBLIC";

    case VER_ACCOUNT_PRIVATE:
        return "VER_ACCOUNT_PRIVATE";

    case VER_FAMILY_GENERATOR:
        return "VER_FAMILY_GENERATOR";

    case VER_FAMILY_SEED:
        return "VER_FAMILY_SEED";
    }

    return "unknown";
}

//
// NodePublic
//

RippleAddress RippleAddress::createNodePublic (const RippleAddress& naSeed)
{
    CKey            ckSeed (naSeed.getSeed ());
    RippleAddress   naNew;

    // YYY Should there be a GetPubKey() equiv that returns a uint256?
    naNew.setNodePublic (ckSeed.GetPubKey ());

    return naNew;
}

RippleAddress RippleAddress::createNodePublic (Blob const& vPublic)
{
    RippleAddress   naNew;

    naNew.setNodePublic (vPublic);

    return naNew;
}

RippleAddress RippleAddress::createNodePublic (const std::string& strPublic)
{
    RippleAddress   naNew;

    naNew.setNodePublic (strPublic);

    return naNew;
}

uint160 RippleAddress::getNodeID () const
{
    switch (nVersion)
    {
    case VER_NONE:
        throw std::runtime_error ("unset source - getNodeID");

    case VER_NODE_PUBLIC:
        // Note, we are encoding the left.
        return Hash160 (vchData);

    default:
        throw std::runtime_error (str (boost::format ("bad source: %d") % int (nVersion)));
    }
}
Blob const& RippleAddress::getNodePublic () const
{
    switch (nVersion)
    {
    case VER_NONE:
        throw std::runtime_error ("unset source - getNodePublic");

    case VER_NODE_PUBLIC:
        return vchData;

    default:
        throw std::runtime_error (str (boost::format ("bad source: %d") % int (nVersion)));
    }
}

std::string RippleAddress::humanNodePublic () const
{
    switch (nVersion)
    {
    case VER_NONE:
        throw std::runtime_error ("unset source - humanNodePublic");

    case VER_NODE_PUBLIC:
        return ToString ();

    default:
        throw std::runtime_error (str (boost::format ("bad source: %d") % int (nVersion)));
    }
}

bool RippleAddress::setNodePublic (const std::string& strPublic)
{
    mIsValid        = SetString (strPublic.c_str (), VER_NODE_PUBLIC);

    return mIsValid;
}

void RippleAddress::setNodePublic (Blob const& vPublic)
{
    mIsValid        = true;

    SetData (VER_NODE_PUBLIC, vPublic);
}

bool RippleAddress::verifyNodePublic (uint256 const& hash, Blob const& vchSig) const
{
    CKey    pubkey  = CKey ();
    bool    bVerified;

    if (!pubkey.SetPubKey (getNodePublic ()))
    {
        // Failed to set public key.
        bVerified   = false;
    }
    else
    {
        bVerified   = pubkey.Verify (hash, vchSig);
    }

    return bVerified;
}

bool RippleAddress::verifyNodePublic (uint256 const& hash, const std::string& strSig) const
{
    Blob vchSig (strSig.begin (), strSig.end ());

    return verifyNodePublic (hash, vchSig);
}

//
// NodePrivate
//

RippleAddress RippleAddress::createNodePrivate (const RippleAddress& naSeed)
{
    uint256         uPrivKey;
    RippleAddress   naNew;
    CKey            ckSeed (naSeed.getSeed ());

    ckSeed.GetPrivateKeyU (uPrivKey);

    naNew.setNodePrivate (uPrivKey);

    return naNew;
}

Blob const& RippleAddress::getNodePrivateData () const
{
    switch (nVersion)
    {
    case VER_NONE:
        throw std::runtime_error ("unset source - getNodePrivateData");

    case VER_NODE_PRIVATE:
        return vchData;

    default:
        throw std::runtime_error (str (boost::format ("bad source: %d") % int (nVersion)));
    }
}

uint256 RippleAddress::getNodePrivate () const
{
    switch (nVersion)
    {
    case VER_NONE:
        throw std::runtime_error ("unset source = getNodePrivate");

    case VER_NODE_PRIVATE:
        return uint256 (vchData);

    default:
        throw std::runtime_error (str (boost::format ("bad source: %d") % int (nVersion)));
    }
}

std::string RippleAddress::humanNodePrivate () const
{
    switch (nVersion)
    {
    case VER_NONE:
        throw std::runtime_error ("unset source - humanNodePrivate");

    case VER_NODE_PRIVATE:
        return ToString ();

    default:
        throw std::runtime_error (str (boost::format ("bad source: %d") % int (nVersion)));
    }
}

bool RippleAddress::setNodePrivate (const std::string& strPrivate)
{
    mIsValid        = SetString (strPrivate.c_str (), VER_NODE_PRIVATE);

    return mIsValid;
}

void RippleAddress::setNodePrivate (Blob const& vPrivate)
{
    mIsValid        = true;

    SetData (VER_NODE_PRIVATE, vPrivate);
}

void RippleAddress::setNodePrivate (uint256 hash256)
{
    mIsValid        = true;

    SetData (VER_NODE_PRIVATE, hash256.begin (), 32);
}

void RippleAddress::signNodePrivate (uint256 const& hash, Blob& vchSig) const
{
    CKey    ckPrivKey;

    ckPrivKey.SetPrivateKeyU (getNodePrivate ());

    if (!ckPrivKey.Sign (hash, vchSig))
        throw std::runtime_error ("Signing failed.");
}

//
// AccountID
//

uint160 RippleAddress::getAccountID () const
{
    switch (nVersion)
    {
    case VER_NONE:
        throw std::runtime_error ("unset source - getAccountID");

    case VER_ACCOUNT_ID:
        return uint160 (vchData);

    case VER_ACCOUNT_PUBLIC:
        // Note, we are encoding the left.
        return Hash160 (vchData);

    default:
        throw std::runtime_error (str (boost::format ("bad source: %d") % int (nVersion)));
    }
}

static boost::mutex rncLock;
static boost::unordered_map< Blob , std::string > rncMap;

std::string RippleAddress::humanAccountID () const
{
    switch (nVersion)
    {
    case VER_NONE:
        throw std::runtime_error ("unset source - humanAccountID");

    case VER_ACCOUNT_ID:
    {
        boost::mutex::scoped_lock sl (rncLock);
        boost::unordered_map< Blob , std::string >::iterator it = rncMap.find (vchData);

        if (it != rncMap.end ())
            return it->second;

        if (rncMap.size () > 10000)
            rncMap.clear ();

        return rncMap[vchData] = ToString ();
    }

    case VER_ACCOUNT_PUBLIC:
    {
        RippleAddress   accountID;

        (void) accountID.setAccountID (getAccountID ());

        return accountID.ToString ();
    }

    default:
        throw std::runtime_error (str (boost::format ("bad source: %d") % int (nVersion)));
    }
}

bool RippleAddress::setAccountID (const std::string& strAccountID, const char* pAlphabet)
{
    if (strAccountID.empty ())
    {
        setAccountID (uint160 ());

        mIsValid    = true;
    }
    else
    {
        mIsValid    = SetString (strAccountID.c_str (), VER_ACCOUNT_ID, pAlphabet);
    }

    return mIsValid;
}

void RippleAddress::setAccountID (const uint160& hash160)
{
    mIsValid        = true;

    SetData (VER_ACCOUNT_ID, hash160.begin (), 20);
}

//
// AccountPublic
//

RippleAddress RippleAddress::createAccountPublic (const RippleAddress& naGenerator, int iSeq)
{
    CKey            ckPub (naGenerator, iSeq);
    RippleAddress   naNew;

    naNew.setAccountPublic (ckPub.GetPubKey ());

    return naNew;
}

Blob const& RippleAddress::getAccountPublic () const
{
    switch (nVersion)
    {
    case VER_NONE:
        throw std::runtime_error ("unset source - getAccountPublic");

    case VER_ACCOUNT_ID:
        throw std::runtime_error ("public not available from account id");
        break;

    case VER_ACCOUNT_PUBLIC:
        return vchData;

    default:
        throw std::runtime_error (str (boost::format ("bad source: %d") % int (nVersion)));
    }
}

std::string RippleAddress::humanAccountPublic () const
{
    switch (nVersion)
    {
    case VER_NONE:
        throw std::runtime_error ("unset source - humanAccountPublic");

    case VER_ACCOUNT_ID:
        throw std::runtime_error ("public not available from account id");

    case VER_ACCOUNT_PUBLIC:
        return ToString ();

    default:
        throw std::runtime_error (str (boost::format ("bad source: %d") % int (nVersion)));
    }
}

bool RippleAddress::setAccountPublic (const std::string& strPublic)
{
    mIsValid        = SetString (strPublic.c_str (), VER_ACCOUNT_PUBLIC);

    return mIsValid;
}

void RippleAddress::setAccountPublic (Blob const& vPublic)
{
    mIsValid        = true;

    SetData (VER_ACCOUNT_PUBLIC, vPublic);
}

void RippleAddress::setAccountPublic (const RippleAddress& generator, int seq)
{
    CKey    pubkey  = CKey (generator, seq);

    setAccountPublic (pubkey.GetPubKey ());
}

bool RippleAddress::accountPublicVerify (uint256 const& uHash, Blob const& vucSig) const
{
    CKey        ckPublic;
    bool        bVerified;

    if (!ckPublic.SetPubKey (getAccountPublic ()))
    {
        // Bad private key.
        WriteLog (lsWARNING, RippleAddress) << "accountPublicVerify: Bad private key.";
        bVerified   = false;
    }
    else
    {
        bVerified   = ckPublic.Verify (uHash, vucSig);
    }

    return bVerified;
}

RippleAddress RippleAddress::createAccountID (const uint160& uiAccountID)
{
    RippleAddress   na;

    na.setAccountID (uiAccountID);

    return na;
}

//
// AccountPrivate
//

RippleAddress RippleAddress::createAccountPrivate (const RippleAddress& naGenerator, const RippleAddress& naSeed, int iSeq)
{
    RippleAddress   naNew;

    naNew.setAccountPrivate (naGenerator, naSeed, iSeq);

    return naNew;
}

uint256 RippleAddress::getAccountPrivate () const
{
    switch (nVersion)
    {
    case VER_NONE:
        throw std::runtime_error ("unset source - getAccountPrivate");

    case VER_ACCOUNT_PRIVATE:
        return uint256 (vchData);

    default:
        throw std::runtime_error (str (boost::format ("bad source: %d") % int (nVersion)));
    }
}

std::string RippleAddress::humanAccountPrivate () const
{
    switch (nVersion)
    {
    case VER_NONE:
        throw std::runtime_error ("unset source - humanAccountPrivate");

    case VER_ACCOUNT_PRIVATE:
        return ToString ();

    default:
        throw std::runtime_error (str (boost::format ("bad source: %d") % int (nVersion)));
    }
}

bool RippleAddress::setAccountPrivate (const std::string& strPrivate)
{
    mIsValid        = SetString (strPrivate.c_str (), VER_ACCOUNT_PRIVATE);

    return mIsValid;
}

void RippleAddress::setAccountPrivate (Blob const& vPrivate)
{
    mIsValid        = true;

    SetData (VER_ACCOUNT_PRIVATE, vPrivate);
}

void RippleAddress::setAccountPrivate (uint256 hash256)
{
    mIsValid        = true;

    SetData (VER_ACCOUNT_PRIVATE, hash256.begin (), 32);
}

void RippleAddress::setAccountPrivate (const RippleAddress& naGenerator, const RippleAddress& naSeed, int seq)
{
    CKey    ckPubkey    = CKey (naSeed.getSeed ());
    CKey    ckPrivkey   = CKey (naGenerator, ckPubkey.GetSecretBN (), seq);
    uint256 uPrivKey;

    ckPrivkey.GetPrivateKeyU (uPrivKey);

    setAccountPrivate (uPrivKey);
}

bool RippleAddress::accountPrivateSign (uint256 const& uHash, Blob& vucSig) const
{
    CKey        ckPrivate;
    bool        bResult;

    if (!ckPrivate.SetPrivateKeyU (getAccountPrivate ()))
    {
        // Bad private key.
        WriteLog (lsWARNING, RippleAddress) << "accountPrivateSign: Bad private key.";
        bResult = false;
    }
    else
    {
        bResult = ckPrivate.Sign (uHash, vucSig);
        CondLog (!bResult, lsWARNING, RippleAddress) << "accountPrivateSign: Signing failed.";
    }

    return bResult;
}

#if 0
bool RippleAddress::accountPrivateVerify (uint256 const& uHash, Blob const& vucSig) const
{
    CKey        ckPrivate;
    bool        bVerified;

    if (!ckPrivate.SetPrivateKeyU (getAccountPrivate ()))
    {
        // Bad private key.
        WriteLog (lsWARNING, RippleAddress) << "accountPrivateVerify: Bad private key.";
        bVerified   = false;
    }
    else
    {
        bVerified   = ckPrivate.Verify (uHash, vucSig);
    }

    return bVerified;
}
#endif

Blob RippleAddress::accountPrivateEncrypt (const RippleAddress& naPublicTo, Blob const& vucPlainText) const
{
    CKey                        ckPrivate;
    CKey                        ckPublic;
    Blob    vucCipherText;

    if (!ckPublic.SetPubKey (naPublicTo.getAccountPublic ()))
    {
        // Bad public key.
        WriteLog (lsWARNING, RippleAddress) << "accountPrivateEncrypt: Bad public key.";
    }
    else if (!ckPrivate.SetPrivateKeyU (getAccountPrivate ()))
    {
        // Bad private key.
        WriteLog (lsWARNING, RippleAddress) << "accountPrivateEncrypt: Bad private key.";
    }
    else
    {
        try
        {
            vucCipherText = ckPrivate.encryptECIES (ckPublic, vucPlainText);
        }
        catch (...)
        {
            nothing ();
        }
    }

    return vucCipherText;
}

Blob RippleAddress::accountPrivateDecrypt (const RippleAddress& naPublicFrom, Blob const& vucCipherText) const
{
    CKey                        ckPrivate;
    CKey                        ckPublic;
    Blob    vucPlainText;

    if (!ckPublic.SetPubKey (naPublicFrom.getAccountPublic ()))
    {
        // Bad public key.
        WriteLog (lsWARNING, RippleAddress) << "accountPrivateDecrypt: Bad public key.";
    }
    else if (!ckPrivate.SetPrivateKeyU (getAccountPrivate ()))
    {
        // Bad private key.
        WriteLog (lsWARNING, RippleAddress) << "accountPrivateDecrypt: Bad private key.";
    }
    else
    {
        try
        {
            vucPlainText = ckPrivate.decryptECIES (ckPublic, vucCipherText);
        }
        catch (...)
        {
            nothing ();
        }
    }

    return vucPlainText;
}

//
// Generators
//

BIGNUM* RippleAddress::getGeneratorBN () const
{
    // returns the public generator
    switch (nVersion)
    {
    case VER_NONE:
        throw std::runtime_error ("unset source - getGeneratorBN");

    case VER_FAMILY_GENERATOR:
        // Do nothing.
        break;

    default:
        throw std::runtime_error (str (boost::format ("bad source: %d") % int (nVersion)));
    }

    BIGNUM* ret = BN_bin2bn (&vchData[0], vchData.size (), NULL);
    assert (ret);
    return ret;
}

Blob const& RippleAddress::getGenerator () const
{
    // returns the public generator
    switch (nVersion)
    {
    case VER_NONE:
        throw std::runtime_error ("unset source - getGenerator");

    case VER_FAMILY_GENERATOR:
        // Do nothing.
        return vchData;

    default:
        throw std::runtime_error (str (boost::format ("bad source: %d") % int (nVersion)));
    }
}

std::string RippleAddress::humanGenerator () const
{
    switch (nVersion)
    {
    case VER_NONE:
        throw std::runtime_error ("unset source - humanGenerator");

    case VER_FAMILY_GENERATOR:
        return ToString ();

    default:
        throw std::runtime_error (str (boost::format ("bad source: %d") % int (nVersion)));
    }
}

bool RippleAddress::setGenerator (const std::string& strGenerator)
{
    mIsValid        = SetString (strGenerator.c_str (), VER_FAMILY_GENERATOR);

    return mIsValid;
}

void RippleAddress::setGenerator (Blob const& vPublic)
{
    mIsValid        = true;

    SetData (VER_FAMILY_GENERATOR, vPublic);
}

RippleAddress RippleAddress::createGeneratorPublic (const RippleAddress& naSeed)
{
    CKey            ckSeed (naSeed.getSeed ());
    RippleAddress   naNew;

    naNew.setGenerator (ckSeed.GetPubKey ());

    return naNew;
}

//
// Seed
//

uint128 RippleAddress::getSeed () const
{
    switch (nVersion)
    {
    case VER_NONE:
        throw std::runtime_error ("unset source - getSeed");

    case VER_FAMILY_SEED:
        return uint128 (vchData);

    default:
        throw std::runtime_error (str (boost::format ("bad source: %d") % int (nVersion)));
    }
}

std::string RippleAddress::humanSeed1751 () const
{
    switch (nVersion)
    {
    case VER_NONE:
        throw std::runtime_error ("unset source - humanSeed1751");

    case VER_FAMILY_SEED:
    {
        std::string strHuman;
        std::string strLittle;
        std::string strBig;
        uint128 uSeed   = getSeed ();

        strLittle.assign (uSeed.begin (), uSeed.end ());

        strBig.assign (strLittle.rbegin (), strLittle.rend ());

        RFC1751::getEnglishFromKey (strHuman, strBig);

        return strHuman;
    }

    default:
        throw std::runtime_error (str (boost::format ("bad source: %d") % int (nVersion)));
    }
}

std::string RippleAddress::humanSeed () const
{
    switch (nVersion)
    {
    case VER_NONE:
        throw std::runtime_error ("unset source - humanSeed");

    case VER_FAMILY_SEED:
        return ToString ();

    default:
        throw std::runtime_error (str (boost::format ("bad source: %d") % int (nVersion)));
    }
}

int RippleAddress::setSeed1751 (const std::string& strHuman1751)
{
    std::string strKey;
    int         iResult = RFC1751::getKeyFromEnglish (strKey, strHuman1751);

    if (1 == iResult)
    {
        Blob    vchLittle (strKey.rbegin (), strKey.rend ());
        uint128     uSeed (vchLittle);

        setSeed (uSeed);
    }

    return iResult;
}

bool RippleAddress::setSeed (const std::string& strSeed)
{
    mIsValid        = SetString (strSeed.c_str (), VER_FAMILY_SEED);

    return mIsValid;
}

bool RippleAddress::setSeedGeneric (const std::string& strText)
{
    RippleAddress   naTemp;
    bool            bResult = true;
    uint128         uSeed;

    if (strText.empty ()
            || naTemp.setAccountID (strText)
            || naTemp.setAccountPublic (strText)
            || naTemp.setAccountPrivate (strText)
            || naTemp.setNodePublic (strText)
            || naTemp.setNodePrivate (strText))
    {
        bResult = false;
    }
    else if (strText.length () == 32 && uSeed.SetHex (strText, true))
    {
        setSeed (uSeed);
    }
    else if (setSeed (strText))
    {
        // std::cerr << "Recognized seed." << std::endl;
        nothing ();
    }
    else if (1 == setSeed1751 (strText))
    {
        // std::cerr << "Recognized 1751 seed." << std::endl;
        nothing ();
    }
    else
    {
        // std::cerr << "Creating seed from pass phrase." << std::endl;
        setSeed (CKey::PassPhraseToKey (strText));
    }

    return bResult;
}

void RippleAddress::setSeed (uint128 hash128)
{
    mIsValid        = true;

    SetData (VER_FAMILY_SEED, hash128.begin (), 16);
}

void RippleAddress::setSeedRandom ()
{
    // XXX Maybe we should call MakeNewKey
    uint128 key;

    RandomNumbers::getInstance ().fillBytes (key.begin (), key.size ());

    RippleAddress::setSeed (key);
}

RippleAddress RippleAddress::createSeedRandom ()
{
    RippleAddress   naNew;

    naNew.setSeedRandom ();

    return naNew;
}

RippleAddress RippleAddress::createSeedGeneric (const std::string& strText)
{
    RippleAddress   naNew;

    naNew.setSeedGeneric (strText);

    return naNew;
}

BOOST_AUTO_TEST_SUITE (ripple_address)

BOOST_AUTO_TEST_CASE ( check_crypto )
{
    // Construct a seed.
    RippleAddress   naSeed;

    BOOST_CHECK (naSeed.setSeedGeneric ("masterpassphrase"));
    BOOST_CHECK_MESSAGE (naSeed.humanSeed () == "snoPBrXtMeMyMHUVTgbuqAfg1SUTb", naSeed.humanSeed ());

    // Create node public/private key pair
    RippleAddress   naNodePublic    = RippleAddress::createNodePublic (naSeed);
    RippleAddress   naNodePrivate   = RippleAddress::createNodePrivate (naSeed);

    BOOST_CHECK_MESSAGE (naNodePublic.humanNodePublic () == "n94a1u4jAz288pZLtw6yFWVbi89YamiC6JBXPVUj5zmExe5fTVg9", naNodePublic.humanNodePublic ());
    BOOST_CHECK_MESSAGE (naNodePrivate.humanNodePrivate () == "pnen77YEeUd4fFKG7iycBWcwKpTaeFRkW2WFostaATy1DSupwXe", naNodePrivate.humanNodePrivate ());

    // Check node signing.
    Blob vucTextSrc = strCopy ("Hello, nurse!");
    uint256 uHash   = Serializer::getSHA512Half (vucTextSrc);
    Blob vucTextSig;

    naNodePrivate.signNodePrivate (uHash, vucTextSig);
    BOOST_CHECK_MESSAGE (naNodePublic.verifyNodePublic (uHash, vucTextSig), "Verify failed.");

    // Construct a public generator from the seed.
    RippleAddress   naGenerator     = RippleAddress::createGeneratorPublic (naSeed);

    BOOST_CHECK_MESSAGE (naGenerator.humanGenerator () == "fhuJKrhSDzV2SkjLn9qbwm5AaRmrxDPfFsHDCP6yfDZWcxDFz4mt", naGenerator.humanGenerator ());

    // Create account #0 public/private key pair.
    RippleAddress   naAccountPublic0    = RippleAddress::createAccountPublic (naGenerator, 0);
    RippleAddress   naAccountPrivate0   = RippleAddress::createAccountPrivate (naGenerator, naSeed, 0);

    BOOST_CHECK_MESSAGE (naAccountPublic0.humanAccountID () == "rHb9CJAWyB4rj91VRWn96DkukG4bwdtyTh", naAccountPublic0.humanAccountID ());
    BOOST_CHECK_MESSAGE (naAccountPublic0.humanAccountPublic () == "aBQG8RQAzjs1eTKFEAQXr2gS4utcDiEC9wmi7pfUPTi27VCahwgw", naAccountPublic0.humanAccountPublic ());
    BOOST_CHECK_MESSAGE (naAccountPrivate0.humanAccountPrivate () == "p9JfM6HHi64m6mvB6v5k7G2b1cXzGmYiCNJf6GHPKvFTWdeRVjh", naAccountPrivate0.humanAccountPrivate ());

    // Create account #1 public/private key pair.
    RippleAddress   naAccountPublic1    = RippleAddress::createAccountPublic (naGenerator, 1);
    RippleAddress   naAccountPrivate1   = RippleAddress::createAccountPrivate (naGenerator, naSeed, 1);

    BOOST_CHECK_MESSAGE (naAccountPublic1.humanAccountID () == "r4bYF7SLUMD7QgSLLpgJx38WJSY12ViRjP", naAccountPublic1.humanAccountID ());
    BOOST_CHECK_MESSAGE (naAccountPublic1.humanAccountPublic () == "aBPXpTfuLy1Bhk3HnGTTAqnovpKWQ23NpFMNkAF6F1Atg5vDyPrw", naAccountPublic1.humanAccountPublic ());
    BOOST_CHECK_MESSAGE (naAccountPrivate1.humanAccountPrivate () == "p9JEm822LMrzJii1k7TvdphfENTp6G5jr253Xa5rkzUWVr8ogQt", naAccountPrivate1.humanAccountPrivate ());

    // Check account signing.
    BOOST_CHECK_MESSAGE (naAccountPrivate0.accountPrivateSign (uHash, vucTextSig), "Signing failed.");
    BOOST_CHECK_MESSAGE (naAccountPublic0.accountPublicVerify (uHash, vucTextSig), "Verify failed.");
    BOOST_CHECK_MESSAGE (!naAccountPublic1.accountPublicVerify (uHash, vucTextSig), "Anti-verify failed.");

    BOOST_CHECK_MESSAGE (naAccountPrivate1.accountPrivateSign (uHash, vucTextSig), "Signing failed.");
    BOOST_CHECK_MESSAGE (naAccountPublic1.accountPublicVerify (uHash, vucTextSig), "Verify failed.");
    BOOST_CHECK_MESSAGE (!naAccountPublic0.accountPublicVerify (uHash, vucTextSig), "Anti-verify failed.");

    // Check account encryption.
    Blob vucTextCipher
        = naAccountPrivate0.accountPrivateEncrypt (naAccountPublic1, vucTextSrc);
    Blob vucTextRecovered
        = naAccountPrivate1.accountPrivateDecrypt (naAccountPublic0, vucTextCipher);

    BOOST_CHECK_MESSAGE (vucTextSrc == vucTextRecovered, "Encrypt-decrypt failed.");
}

BOOST_AUTO_TEST_SUITE_END ()

// vim:ts=4