//------------------------------------------------------------------------------
/*
    This file is part of rippled: https://github.com/ripple/rippled
    Copyright (c) 2016 Ripple Labs Inc.

    Permission to use, copy, modify, and/or distribute this software for any
    purpose  with  or without fee is hereby granted, provided that the above
    copyright notice and this permission notice appear in all copies.

    THE  SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
    WITH  REGARD  TO  THIS  SOFTWARE  INCLUDING  ALL  IMPLIED  WARRANTIES  OF
    MERCHANTABILITY  AND  FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
    ANY  SPECIAL ,  DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
    WHATSOEVER  RESULTING  FROM  LOSS  OF USE, DATA OR PROFITS, WHETHER IN AN
    ACTION  OF  CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
    OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
//==============================================================================

#include <ripple/protocol/Feature.h>
#include <ripple/protocol/jss.h>
#include <test/jtx.h>

namespace ripple {

class SetRegularKey_test : public beast::unit_test::suite
{
public:
    void
    testDisableMasterKey()
    {
        using namespace test::jtx;

        testcase("Set regular key");
        Env env{*this, supported_amendments() - fixMasterKeyAsRegularKey};
        Account const alice("alice");
        Account const bob("bob");
        env.fund(XRP(10000), alice, bob);

        env(regkey(alice, bob));
        auto const ar = env.le(alice);
        BEAST_EXPECT(
            ar->isFieldPresent(sfRegularKey) &&
            (ar->getAccountID(sfRegularKey) == bob.id()));

        env(noop(alice), sig(bob));
        env(noop(alice), sig(alice));

        testcase("Disable master key");
        env(fset(alice, asfDisableMaster), sig(alice));
        env(noop(alice), sig(bob));
        env(noop(alice), sig(alice), ter(tefMASTER_DISABLED));

        testcase("Re-enable master key");
        env(fclear(alice, asfDisableMaster),
            sig(alice),
            ter(tefMASTER_DISABLED));

        env(fclear(alice, asfDisableMaster), sig(bob));
        env(noop(alice), sig(bob));
        env(noop(alice), sig(alice));

        testcase("Revoke regular key");
        env(regkey(alice, disabled));
        env(noop(alice), sig(bob), ter(tefBAD_AUTH_MASTER));
        env(noop(alice), sig(alice));
    }

    void
    testDisableMasterKeyAfterFix()
    {
        using namespace test::jtx;

        testcase("Set regular key");
        Env env{*this, supported_amendments() | fixMasterKeyAsRegularKey};
        Account const alice("alice");
        Account const bob("bob");
        env.fund(XRP(10000), alice, bob);

        env(regkey(alice, bob));
        env(noop(alice), sig(bob));
        env(noop(alice), sig(alice));

        testcase("Disable master key");
        env(fset(alice, asfDisableMaster), sig(alice));
        env(noop(alice), sig(bob));
        env(noop(alice), sig(alice), ter(tefMASTER_DISABLED));

        testcase("Re-enable master key");
        env(fclear(alice, asfDisableMaster),
            sig(alice),
            ter(tefMASTER_DISABLED));

        env(fclear(alice, asfDisableMaster), sig(bob));
        env(noop(alice), sig(bob));
        env(noop(alice), sig(alice));

        testcase("Revoke regular key");
        env(regkey(alice, disabled));
        env(noop(alice), sig(bob), ter(tefBAD_AUTH));
        env(noop(alice), sig(alice));
    }

    void
    testDisabledRegularKey()
    {
        using namespace test::jtx;

        // See https://ripplelabs.atlassian.net/browse/RIPD-1721.
        testcase(
            "Set regular key to master key (before fixMasterKeyAsRegularKey)");
        Env env{*this, supported_amendments() - fixMasterKeyAsRegularKey};
        Account const alice("alice");
        env.fund(XRP(10000), alice);

        // Must be possible unless amendment `fixMasterKeyAsRegularKey` enabled.
        env(regkey(alice, alice), sig(alice));
        env(fset(alice, asfDisableMaster), sig(alice));

        // No way to sign...
        env(noop(alice), ter(tefMASTER_DISABLED));
        env(noop(alice), sig(alice), ter(tefMASTER_DISABLED));

        // ... until now.
        env.enableFeature(fixMasterKeyAsRegularKey);
        env(noop(alice));
        env(noop(alice), sig(alice));

        env(regkey(alice, disabled), ter(tecNO_ALTERNATIVE_KEY));
        env(fclear(alice, asfDisableMaster));
        env(regkey(alice, disabled));
        env(fset(alice, asfDisableMaster), ter(tecNO_ALTERNATIVE_KEY));
    }

    void
    testDisableRegularKeyAfterFix()
    {
        using namespace test::jtx;

        testcase(
            "Set regular key to master key (after fixMasterKeyAsRegularKey)");
        Env env{*this, supported_amendments() | fixMasterKeyAsRegularKey};
        Account const alice("alice");
        env.fund(XRP(10000), alice);

        // Must be possible unless amendment `fixMasterKeyAsRegularKey` enabled.
        env(regkey(alice, alice), ter(temBAD_REGKEY));
    }

    void
    testPasswordSpent()
    {
        using namespace test::jtx;

        testcase("Password spent");
        Env env(*this);
        Account const alice("alice");
        Account const bob("bob");
        env.fund(XRP(10000), alice, bob);

        auto ar = env.le(alice);
        BEAST_EXPECT(
            ar->isFieldPresent(sfFlags) &&
            ((ar->getFieldU32(sfFlags) & lsfPasswordSpent) == 0));

        env(regkey(alice, bob), sig(alice), fee(0));

        ar = env.le(alice);
        BEAST_EXPECT(
            ar->isFieldPresent(sfFlags) &&
            ((ar->getFieldU32(sfFlags) & lsfPasswordSpent) ==
             lsfPasswordSpent));

        // The second SetRegularKey transaction with Fee=0 should fail.
        env(regkey(alice, bob), sig(alice), fee(0), ter(telINSUF_FEE_P));

        env.trust(bob["USD"](1), alice);
        env(pay(bob, alice, bob["USD"](1)));
        ar = env.le(alice);
        BEAST_EXPECT(
            ar->isFieldPresent(sfFlags) &&
            ((ar->getFieldU32(sfFlags) & lsfPasswordSpent) == 0));
    }

    void
    testUniversalMask()
    {
        using namespace test::jtx;

        testcase("Universal mask");
        Env env(*this);
        Account const alice("alice");
        Account const bob("bob");
        env.fund(XRP(10000), alice, bob);

        auto jv = regkey(alice, bob);
        jv[sfFlags.fieldName] = tfUniversalMask;
        env(jv, ter(temINVALID_FLAG));
    }

    void
    testTicketRegularKey()
    {
        using namespace test::jtx;

        testcase("Ticket regular key");
        Env env{*this};
        Account const alice{"alice", KeyType::ed25519};
        env.fund(XRP(1000), alice);
        env.close();

        // alice makes herself some tickets.
        env(ticket::create(alice, 4));
        env.close();
        std::uint32_t ticketSeq{env.seq(alice)};

        // Make sure we can give a regular key using a ticket.
        Account const alie{"alie", KeyType::secp256k1};
        env(regkey(alice, alie), ticket::use(--ticketSeq));
        env.close();

        // Disable alice's master key using a ticket.
        env(fset(alice, asfDisableMaster),
            sig(alice),
            ticket::use(--ticketSeq));
        env.close();

        // alice should be able to sign using the regular key but not the
        // master key.
        std::uint32_t const aliceSeq{env.seq(alice)};
        env(noop(alice), sig(alice), ter(tefMASTER_DISABLED));
        env(noop(alice), sig(alie), ter(tesSUCCESS));
        env.close();
        BEAST_EXPECT(env.seq(alice) == aliceSeq + 1);

        // Re-enable the master key using a ticket.
        env(fclear(alice, asfDisableMaster),
            sig(alie),
            ticket::use(--ticketSeq));
        env.close();

        // Disable the regular key using a ticket.
        env(regkey(alice, disabled), sig(alie), ticket::use(--ticketSeq));
        env.close();

        // alice should be able to sign using the master key but not the
        // regular key.
        env(noop(alice), sig(alice), ter(tesSUCCESS));
        env(noop(alice), sig(alie), ter(tefBAD_AUTH));
        env.close();
    }

    void
    run() override
    {
        testDisableMasterKey();
        testDisableMasterKeyAfterFix();
        testDisabledRegularKey();
        testDisableRegularKeyAfterFix();
        testPasswordSpent();
        testUniversalMask();
        testTicketRegularKey();
    }
};

BEAST_DEFINE_TESTSUITE(SetRegularKey, app, ripple);

}  // namespace ripple