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222e5b4f7f
* Rename onlyOwnerAllowed boolean variables to onlyVotingKeyAllowed This was misleading. * Remove invalid proposal votes when MN voting keys change
364 lines
10 KiB
C++
364 lines
10 KiB
C++
// Copyright (c) 2014-2018 The Dash Core developers
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// Distributed under the MIT/X11 software license, see the accompanying
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// file COPYING or http://www.opensource.org/licenses/mit-license.php.
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#ifndef GOVERNANCE_OBJECT_H
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#define GOVERNANCE_OBJECT_H
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//#define ENABLE_DASH_DEBUG
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#include "cachemultimap.h"
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#include "governance-exceptions.h"
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#include "governance-vote.h"
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#include "governance-votedb.h"
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#include "key.h"
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#include "net.h"
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#include "sync.h"
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#include "util.h"
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#include "utilstrencodings.h"
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#include "bls/bls.h"
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#include <univalue.h>
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class CGovernanceManager;
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class CGovernanceTriggerManager;
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class CGovernanceObject;
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class CGovernanceVote;
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static const int MIN_GOVERNANCE_PEER_PROTO_VERSION = 70210;
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static const int GOVERNANCE_FILTER_PROTO_VERSION = 70206;
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static const double GOVERNANCE_FILTER_FP_RATE = 0.001;
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static const int GOVERNANCE_OBJECT_UNKNOWN = 0;
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static const int GOVERNANCE_OBJECT_PROPOSAL = 1;
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static const int GOVERNANCE_OBJECT_TRIGGER = 2;
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static const int GOVERNANCE_OBJECT_WATCHDOG = 3;
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static const CAmount GOVERNANCE_PROPOSAL_FEE_TX = (5.0 * COIN);
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static const int64_t GOVERNANCE_FEE_CONFIRMATIONS = 6;
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static const int64_t GOVERNANCE_MIN_RELAY_FEE_CONFIRMATIONS = 1;
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static const int64_t GOVERNANCE_UPDATE_MIN = 60 * 60;
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static const int64_t GOVERNANCE_DELETION_DELAY = 10 * 60;
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static const int64_t GOVERNANCE_ORPHAN_EXPIRATION_TIME = 10 * 60;
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// FOR SEEN MAP ARRAYS - GOVERNANCE OBJECTS AND VOTES
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static const int SEEN_OBJECT_IS_VALID = 0;
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static const int SEEN_OBJECT_ERROR_INVALID = 1;
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static const int SEEN_OBJECT_ERROR_IMMATURE = 2;
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static const int SEEN_OBJECT_EXECUTED = 3; //used for triggers
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static const int SEEN_OBJECT_UNKNOWN = 4; // the default
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typedef std::pair<CGovernanceVote, int64_t> vote_time_pair_t;
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inline bool operator<(const vote_time_pair_t& p1, const vote_time_pair_t& p2)
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{
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return (p1.first < p2.first);
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}
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struct vote_instance_t {
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vote_outcome_enum_t eOutcome;
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int64_t nTime;
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int64_t nCreationTime;
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vote_instance_t(vote_outcome_enum_t eOutcomeIn = VOTE_OUTCOME_NONE, int64_t nTimeIn = 0, int64_t nCreationTimeIn = 0) :
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eOutcome(eOutcomeIn),
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nTime(nTimeIn),
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nCreationTime(nCreationTimeIn)
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{
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}
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ADD_SERIALIZE_METHODS;
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template <typename Stream, typename Operation>
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inline void SerializationOp(Stream& s, Operation ser_action)
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{
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int nOutcome = int(eOutcome);
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READWRITE(nOutcome);
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READWRITE(nTime);
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READWRITE(nCreationTime);
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if (ser_action.ForRead()) {
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eOutcome = vote_outcome_enum_t(nOutcome);
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}
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}
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};
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typedef std::map<int, vote_instance_t> vote_instance_m_t;
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typedef vote_instance_m_t::iterator vote_instance_m_it;
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typedef vote_instance_m_t::const_iterator vote_instance_m_cit;
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struct vote_rec_t {
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vote_instance_m_t mapInstances;
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ADD_SERIALIZE_METHODS;
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template <typename Stream, typename Operation>
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inline void SerializationOp(Stream& s, Operation ser_action)
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{
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READWRITE(mapInstances);
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}
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};
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/**
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* Governance Object
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*
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*/
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class CGovernanceObject
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{
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friend class CGovernanceManager;
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friend class CGovernanceTriggerManager;
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friend class CSuperblock;
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public: // Types
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typedef std::map<COutPoint, vote_rec_t> vote_m_t;
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typedef vote_m_t::iterator vote_m_it;
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typedef vote_m_t::const_iterator vote_m_cit;
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typedef CacheMultiMap<COutPoint, vote_time_pair_t> vote_cmm_t;
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private:
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/// critical section to protect the inner data structures
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mutable CCriticalSection cs;
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/// Object typecode
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int nObjectType;
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/// parent object, 0 is root
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uint256 nHashParent;
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/// object revision in the system
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int nRevision;
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/// time this object was created
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int64_t nTime;
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/// time this object was marked for deletion
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int64_t nDeletionTime;
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/// fee-tx
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uint256 nCollateralHash;
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/// Data field - can be used for anything
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std::vector<unsigned char> vchData;
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/// Masternode info for signed objects
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COutPoint masternodeOutpoint;
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std::vector<unsigned char> vchSig;
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/// is valid by blockchain
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bool fCachedLocalValidity;
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std::string strLocalValidityError;
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// VARIOUS FLAGS FOR OBJECT / SET VIA MASTERNODE VOTING
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/// true == minimum network support has been reached for this object to be funded (doesn't mean it will for sure though)
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bool fCachedFunding;
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/// true == minimum network has been reached flagging this object as a valid and understood governance object (e.g, the serialized data is correct format, etc)
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bool fCachedValid;
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/// true == minimum network support has been reached saying this object should be deleted from the system entirely
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bool fCachedDelete;
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/** true == minimum network support has been reached flagging this object as endorsed by an elected representative body
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* (e.g. business review board / technecial review board /etc)
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*/
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bool fCachedEndorsed;
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/// object was updated and cached values should be updated soon
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bool fDirtyCache;
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/// Object is no longer of interest
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bool fExpired;
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/// Failed to parse object data
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bool fUnparsable;
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vote_m_t mapCurrentMNVotes;
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/// Limited map of votes orphaned by MN
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vote_cmm_t cmmapOrphanVotes;
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CGovernanceObjectVoteFile fileVotes;
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public:
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CGovernanceObject();
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CGovernanceObject(const uint256& nHashParentIn, int nRevisionIn, int64_t nTime, const uint256& nCollateralHashIn, const std::string& strDataHexIn);
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CGovernanceObject(const CGovernanceObject& other);
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// Public Getter methods
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int64_t GetCreationTime() const
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{
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return nTime;
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}
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int64_t GetDeletionTime() const
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{
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return nDeletionTime;
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}
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int GetObjectType() const
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{
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return nObjectType;
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}
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const uint256& GetCollateralHash() const
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{
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return nCollateralHash;
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}
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const COutPoint& GetMasternodeOutpoint() const
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{
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return masternodeOutpoint;
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}
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bool IsSetCachedFunding() const
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{
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return fCachedFunding;
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}
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bool IsSetCachedValid() const
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{
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return fCachedValid;
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}
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bool IsSetCachedDelete() const
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{
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return fCachedDelete;
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}
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bool IsSetCachedEndorsed() const
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{
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return fCachedEndorsed;
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}
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bool IsSetDirtyCache() const
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{
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return fDirtyCache;
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}
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bool IsSetExpired() const
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{
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return fExpired;
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}
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const CGovernanceObjectVoteFile& GetVoteFile() const
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{
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return fileVotes;
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}
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// Signature related functions
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void SetMasternodeOutpoint(const COutPoint& outpoint);
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bool Sign(const CKey& key, const CKeyID& keyID);
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bool CheckSignature(const CKeyID& keyID) const;
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bool Sign(const CBLSSecretKey& key);
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bool CheckSignature(const CBLSPublicKey& pubKey) const;
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std::string GetSignatureMessage() const;
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uint256 GetSignatureHash() const;
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// CORE OBJECT FUNCTIONS
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bool IsValidLocally(std::string& strError, bool fCheckCollateral) const;
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bool IsValidLocally(std::string& strError, bool& fMissingMasternode, bool& fMissingConfirmations, bool fCheckCollateral) const;
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/// Check the collateral transaction for the budget proposal/finalized budget
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bool IsCollateralValid(std::string& strError, bool& fMissingConfirmations) const;
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void UpdateLocalValidity();
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void UpdateSentinelVariables();
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CAmount GetMinCollateralFee() const;
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UniValue GetJSONObject();
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void Relay(CConnman& connman);
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uint256 GetHash() const;
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// GET VOTE COUNT FOR SIGNAL
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int CountMatchingVotes(vote_signal_enum_t eVoteSignalIn, vote_outcome_enum_t eVoteOutcomeIn) const;
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int GetAbsoluteYesCount(vote_signal_enum_t eVoteSignalIn) const;
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int GetAbsoluteNoCount(vote_signal_enum_t eVoteSignalIn) const;
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int GetYesCount(vote_signal_enum_t eVoteSignalIn) const;
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int GetNoCount(vote_signal_enum_t eVoteSignalIn) const;
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int GetAbstainCount(vote_signal_enum_t eVoteSignalIn) const;
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bool GetCurrentMNVotes(const COutPoint& mnCollateralOutpoint, vote_rec_t& voteRecord) const;
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// FUNCTIONS FOR DEALING WITH DATA STRING
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std::string GetDataAsHexString() const;
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std::string GetDataAsPlainString() const;
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// SERIALIZER
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ADD_SERIALIZE_METHODS;
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template <typename Stream, typename Operation>
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inline void SerializationOp(Stream& s, Operation ser_action)
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{
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// SERIALIZE DATA FOR SAVING/LOADING OR NETWORK FUNCTIONS
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READWRITE(nHashParent);
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READWRITE(nRevision);
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READWRITE(nTime);
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READWRITE(nCollateralHash);
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READWRITE(vchData);
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READWRITE(nObjectType);
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READWRITE(masternodeOutpoint);
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if (!(s.GetType() & SER_GETHASH)) {
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READWRITE(vchSig);
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}
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if (s.GetType() & SER_DISK) {
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// Only include these for the disk file format
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LogPrint("gobject", "CGovernanceObject::SerializationOp Reading/writing votes from/to disk\n");
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READWRITE(nDeletionTime);
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READWRITE(fExpired);
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READWRITE(mapCurrentMNVotes);
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READWRITE(fileVotes);
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LogPrint("gobject", "CGovernanceObject::SerializationOp hash = %s, vote count = %d\n", GetHash().ToString(), fileVotes.GetVoteCount());
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}
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// AFTER DESERIALIZATION OCCURS, CACHED VARIABLES MUST BE CALCULATED MANUALLY
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}
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private:
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// FUNCTIONS FOR DEALING WITH DATA STRING
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void LoadData();
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void GetData(UniValue& objResult);
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bool ProcessVote(CNode* pfrom,
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const CGovernanceVote& vote,
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CGovernanceException& exception,
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CConnman& connman);
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/// Called when MN's which have voted on this object have been removed
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void ClearMasternodeVotes();
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// Revalidate all votes from this MN and delete them if validation fails
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// This is the case for DIP3 MNs that change voting keys. Returns deleted vote hashes
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std::set<uint256> RemoveInvalidProposalVotes(const COutPoint& mnOutpoint);
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void CheckOrphanVotes(CConnman& connman);
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// TODO can be removed after DIP3 is fully deployed
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std::vector<uint256> RemoveOldVotes(unsigned int nMinTime);
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};
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#endif
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