RCLValidations.h

//------------------------------------------------------------------------------
/*
    This file is part of rippled: https://github.com/ripple/rippled
    Copyright (c) 2012, 2013 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.
*/
//==============================================================================
 
#ifndef RIPPLE_APP_CONSENSUSS_VALIDATIONS_H_INCLUDED
#define RIPPLE_APP_CONSENSUSS_VALIDATIONS_H_INCLUDED
 
#include <ripple/app/ledger/Ledger.h>
#include <ripple/consensus/Validations.h>
#include <ripple/protocol/Protocol.h>
#include <ripple/protocol/RippleLedgerHash.h>
#include <ripple/protocol/STValidation.h>
#include <vector>
 
namespace ripple {
 
class Application;
 
class RCLValidation
{
    STValidation::pointer val_;
public:
    using NodeKey = ripple::PublicKey;
    using NodeID = ripple::NodeID;
 
    RCLValidation(STValidation::pointer const& v) : val_{v}
    {
    }
 
    uint256
    ledgerID() const
    {
        return val_->getLedgerHash();
    }
 
    std::uint32_t
    seq() const
    {
        return val_->getFieldU32(sfLedgerSequence);
    }
 
    NetClock::time_point
    signTime() const
    {
        return val_->getSignTime();
    }
 
    NetClock::time_point
    seenTime() const
    {
        return val_->getSeenTime();
    }
 
    PublicKey
    key() const
    {
        return val_->getSignerPublic();
    }
 
    NodeID
    nodeID() const
    {
        return val_->getNodeID();
    }
 
    bool
    trusted() const
    {
        return val_->isTrusted();
    }
 
    void
    setTrusted()
    {
        val_->setTrusted();
    }
 
    void
    setUntrusted()
    {
        val_->setUntrusted();
    }
 
    bool
    full() const
    {
        return val_->isFull();
    }
 
    boost::optional<std::uint32_t>
    loadFee() const
    {
        return ~(*val_)[~sfLoadFee];
    }
 
    STValidation::pointer
    unwrap() const
    {
        return val_;
    }
 
};
 
class RCLValidatedLedger
{
public:
    using ID = LedgerHash;
    using Seq = LedgerIndex;
    struct MakeGenesis
    {
        explicit MakeGenesis() = default;
    };
 
    RCLValidatedLedger(MakeGenesis);
 
    RCLValidatedLedger(
        std::shared_ptr<Ledger const> const& ledger,
        beast::Journal j);
 
    Seq
    seq() const;
 
    ID
    id() const;
 
    ID operator[](Seq const& s) const;
 
    friend Seq
    mismatch(RCLValidatedLedger const& a, RCLValidatedLedger const& b);
 
    Seq
    minSeq() const;
 
private:
    ID ledgerID_;
    Seq ledgerSeq_;
    std::vector<uint256> ancestors_;
    beast::Journal j_;
};
 
class RCLValidationsAdaptor
{
public:
    // Type definitions for generic Validation
    using Mutex = std::mutex;
    using Validation = RCLValidation;
    using Ledger = RCLValidatedLedger;
 
    RCLValidationsAdaptor(Application& app, beast::Journal j);
 
    NetClock::time_point
    now() const;
 
    boost::optional<RCLValidatedLedger>
    acquire(LedgerHash const & id);
 
    beast::Journal
    journal() const
    {
        return j_;
    }
 
private:
    Application& app_;
    beast::Journal j_;
};
 
using RCLValidations = Validations<RCLValidationsAdaptor>;
 
 
bool
handleNewValidation(
    Application& app,
    STValidation::ref val,
    std::string const& source);
 
}  // namespace ripple
 
#endif