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// Copyright (c) 2014-2015 The Dash developers
// Copyright (c) 2015-2017 The PIVX developers
// Copyright (c) 2017-2018 The DixiCoin developers
// Distributed under the MIT/X11 software license, see the accompanying
// file COPYING or http://www.opensource.org/licenses/mit-license.php.
// clang-format off
#include "main.h"
#include "activemasternode.h"
#include "masternode-sync.h"
#include "masternode-payments.h"
#include "masternode-budget.h"
#include "masternode.h"
#include "masternodeman.h"
#include "spork.h"
#include "util.h"
#include "addrman.h"
// clang-format on
class CMasternodeSync;
CMasternodeSync masternodeSync;
CMasternodeSync::CMasternodeSync()
{
Reset();
}
bool CMasternodeSync::IsSynced()
{
return RequestedMasternodeAssets == MASTERNODE_SYNC_FINISHED;
}
bool CMasternodeSync::IsBlockchainSynced()
{
static bool fBlockchainSynced = false;
static int64_t lastProcess = GetTime();
// if the last call to this function was more than 60 minutes ago (client was in sleep mode) reset the sync process
if (GetTime() - lastProcess > 60 * 60) {
Reset();
fBlockchainSynced = false;
}
lastProcess = GetTime();
if (fBlockchainSynced) return true;
if (fImporting || fReindex) return false;
TRY_LOCK(cs_main, lockMain);
if (!lockMain) return false;
CBlockIndex* pindex = chainActive.Tip();
if (pindex == NULL) return false;
if (pindex->nTime + 60 * 60 < GetTime())
return false;
fBlockchainSynced = true;
return true;
}
void CMasternodeSync::Reset()
{
lastMasternodeList = 0;
lastMasternodeWinner = 0;
lastBudgetItem = 0;
mapSeenSyncMNB.clear();
mapSeenSyncMNW.clear();
mapSeenSyncBudget.clear();
lastFailure = 0;
nCountFailures = 0;
sumMasternodeList = 0;
sumMasternodeWinner = 0;
sumBudgetItemProp = 0;
sumBudgetItemFin = 0;
countMasternodeList = 0;
countMasternodeWinner = 0;
countBudgetItemProp = 0;
countBudgetItemFin = 0;
RequestedMasternodeAssets = MASTERNODE_SYNC_INITIAL;
RequestedMasternodeAttempt = 0;
nAssetSyncStarted = GetTime();
}
void CMasternodeSync::AddedMasternodeList(uint256 hash)
{
if (mnodeman.mapSeenMasternodeBroadcast.count(hash)) {
if (mapSeenSyncMNB[hash] < MASTERNODE_SYNC_THRESHOLD) {
lastMasternodeList = GetTime();
mapSeenSyncMNB[hash]++;
}
} else {
lastMasternodeList = GetTime();
mapSeenSyncMNB.insert(make_pair(hash, 1));
}
}
void CMasternodeSync::AddedMasternodeWinner(uint256 hash)
{
if (masternodePayments.mapMasternodePayeeVotes.count(hash)) {
if (mapSeenSyncMNW[hash] < MASTERNODE_SYNC_THRESHOLD) {
lastMasternodeWinner = GetTime();
mapSeenSyncMNW[hash]++;
}
} else {
lastMasternodeWinner = GetTime();
mapSeenSyncMNW.insert(make_pair(hash, 1));
}
}
void CMasternodeSync::AddedBudgetItem(uint256 hash)
{
if (budget.mapSeenMasternodeBudgetProposals.count(hash) || budget.mapSeenMasternodeBudgetVotes.count(hash) ||
budget.mapSeenFinalizedBudgets.count(hash) || budget.mapSeenFinalizedBudgetVotes.count(hash)) {
if (mapSeenSyncBudget[hash] < MASTERNODE_SYNC_THRESHOLD) {
lastBudgetItem = GetTime();
mapSeenSyncBudget[hash]++;
}
} else {
lastBudgetItem = GetTime();
mapSeenSyncBudget.insert(make_pair(hash, 1));
}
}
bool CMasternodeSync::IsBudgetPropEmpty()
{
return sumBudgetItemProp == 0 && countBudgetItemProp > 0;
}
bool CMasternodeSync::IsBudgetFinEmpty()
{
return sumBudgetItemFin == 0 && countBudgetItemFin > 0;
}
void CMasternodeSync::GetNextAsset()
{
switch (RequestedMasternodeAssets) {
case (MASTERNODE_SYNC_INITIAL):
case (MASTERNODE_SYNC_FAILED): // should never be used here actually, use Reset() instead
ClearFulfilledRequest();
RequestedMasternodeAssets = MASTERNODE_SYNC_SPORKS;
break;
case (MASTERNODE_SYNC_SPORKS):
RequestedMasternodeAssets = MASTERNODE_SYNC_LIST;
break;
case (MASTERNODE_SYNC_LIST):
RequestedMasternodeAssets = MASTERNODE_SYNC_MNW;
break;
case (MASTERNODE_SYNC_MNW):
RequestedMasternodeAssets = MASTERNODE_SYNC_BUDGET;
break;
case (MASTERNODE_SYNC_BUDGET):
LogPrintf("CMasternodeSync::GetNextAsset - Sync has finished\n");
RequestedMasternodeAssets = MASTERNODE_SYNC_FINISHED;
break;
}
RequestedMasternodeAttempt = 0;
nAssetSyncStarted = GetTime();
}
std::string CMasternodeSync::GetSyncStatus()
{
switch (masternodeSync.RequestedMasternodeAssets) {
case MASTERNODE_SYNC_INITIAL:
return _("Synchronization pending...");
case MASTERNODE_SYNC_SPORKS:
return _("Synchronizing sporks...");
case MASTERNODE_SYNC_LIST:
return _("Synchronizing masternodes...");
case MASTERNODE_SYNC_MNW:
return _("Synchronizing masternode winners...");
case MASTERNODE_SYNC_BUDGET:
return _("Synchronizing budgets...");
case MASTERNODE_SYNC_FAILED:
return _("Synchronization failed");
case MASTERNODE_SYNC_FINISHED:
return _("Synchronization finished");
}
return "";
}
void CMasternodeSync::ProcessMessage(CNode* pfrom, std::string& strCommand, CDataStream& vRecv)
{
if (strCommand == "ssc") { //Sync status count
int nItemID;
int nCount;
vRecv >> nItemID >> nCount;
if (RequestedMasternodeAssets >= MASTERNODE_SYNC_FINISHED) return;
//this means we will receive no further communication
switch (nItemID) {
case (MASTERNODE_SYNC_LIST):
if (nItemID != RequestedMasternodeAssets) return;
sumMasternodeList += nCount;
countMasternodeList++;
break;
case (MASTERNODE_SYNC_MNW):
if (nItemID != RequestedMasternodeAssets) return;
sumMasternodeWinner += nCount;
countMasternodeWinner++;
break;
case (MASTERNODE_SYNC_BUDGET_PROP):
if (RequestedMasternodeAssets != MASTERNODE_SYNC_BUDGET) return;
sumBudgetItemProp += nCount;
countBudgetItemProp++;
break;
case (MASTERNODE_SYNC_BUDGET_FIN):
if (RequestedMasternodeAssets != MASTERNODE_SYNC_BUDGET) return;
sumBudgetItemFin += nCount;
countBudgetItemFin++;
break;
}
LogPrintf("CMasternodeSync:ProcessMessage - ssc - got inventory count %d %d\n", nItemID, nCount);
}
}
void CMasternodeSync::ClearFulfilledRequest()
{
TRY_LOCK(cs_vNodes, lockRecv);
if (!lockRecv) return;
BOOST_FOREACH (CNode* pnode, vNodes) {
pnode->ClearFulfilledRequest("getspork");
pnode->ClearFulfilledRequest("mnsync");
pnode->ClearFulfilledRequest("mnwsync");
pnode->ClearFulfilledRequest("busync");
}
}
void CMasternodeSync::Process()
{
static int tick = 0;
static int syncCount = 0;
if (tick++ % MASTERNODE_SYNC_TIMEOUT != 0) return;
if (IsSynced()) {
/*
Resync if we lose all masternodes from sleep/wake or failure to sync originally
*/
if (mnodeman.CountEnabled() == 0 ) {
if(syncCount < 2){
Reset();
syncCount++;
}
} else
return;
}
//try syncing again
if (RequestedMasternodeAssets == MASTERNODE_SYNC_FAILED && lastFailure + (1 * 60) < GetTime()) {
Reset();
} else if (RequestedMasternodeAssets == MASTERNODE_SYNC_FAILED) {
return;
}
if (fDebug) LogPrintf("CMasternodeSync::Process() - tick %d RequestedMasternodeAssets %d\n", tick, RequestedMasternodeAssets);
if (RequestedMasternodeAssets == MASTERNODE_SYNC_INITIAL) GetNextAsset();
// sporks synced but blockchain is not, wait until we're almost at a recent block to continue
if (Params().NetworkID() != CBaseChainParams::REGTEST &&
!IsBlockchainSynced() && RequestedMasternodeAssets > MASTERNODE_SYNC_SPORKS) return;
TRY_LOCK(cs_vNodes, lockRecv);
if (!lockRecv) return;
BOOST_FOREACH (CNode* pnode, vNodes) {
if (Params().NetworkID() == CBaseChainParams::REGTEST) {
if (RequestedMasternodeAttempt <= 2) {
pnode->PushMessage("getsporks"); //get current network sporks
} else if (RequestedMasternodeAttempt < 4) {
mnodeman.DsegUpdate(pnode);
} else if (RequestedMasternodeAttempt < 6) {
int nMnCount = mnodeman.CountEnabled();
pnode->PushMessage("mnget", nMnCount); //sync payees
uint256 n = 0;
pnode->PushMessage("mnvs", n); //sync masternode votes
} else {
RequestedMasternodeAssets = MASTERNODE_SYNC_FINISHED;
}
RequestedMasternodeAttempt++;
return;
}
//set to synced
if (RequestedMasternodeAssets == MASTERNODE_SYNC_SPORKS) {
if (pnode->HasFulfilledRequest("getspork")) continue;
pnode->FulfilledRequest("getspork");
pnode->PushMessage("getsporks"); //get current network sporks
if (RequestedMasternodeAttempt >= 2) GetNextAsset();
RequestedMasternodeAttempt++;
return;
}
if (pnode->nVersion >= masternodePayments.GetMinMasternodePaymentsProto()) {
if (RequestedMasternodeAssets == MASTERNODE_SYNC_LIST) {
if (fDebug) LogPrintf("CMasternodeSync::Process() - lastMasternodeList %lld (GetTime() - MASTERNODE_SYNC_TIMEOUT) %lld\n", lastMasternodeList, GetTime() - MASTERNODE_SYNC_TIMEOUT);
if (lastMasternodeList > 0 && lastMasternodeList < GetTime() - MASTERNODE_SYNC_TIMEOUT * 2 && RequestedMasternodeAttempt >= MASTERNODE_SYNC_THRESHOLD) { //hasn't received a new item in the last five seconds, so we'll move to the
GetNextAsset();
return;
}
if (pnode->HasFulfilledRequest("mnsync")) continue;
pnode->FulfilledRequest("mnsync");
// timeout
if (lastMasternodeList == 0 &&
(RequestedMasternodeAttempt >= MASTERNODE_SYNC_THRESHOLD * 3 || GetTime() - nAssetSyncStarted > MASTERNODE_SYNC_TIMEOUT * 5)) {
if (IsSporkActive(SPORK_8_MASTERNODE_PAYMENT_ENFORCEMENT)) {
LogPrintf("CMasternodeSync::Process - ERROR - Sync has failed, will retry later\n");
RequestedMasternodeAssets = MASTERNODE_SYNC_FAILED;
RequestedMasternodeAttempt = 0;
lastFailure = GetTime();
nCountFailures++;
} else {
GetNextAsset();
}
return;
}
if (RequestedMasternodeAttempt >= MASTERNODE_SYNC_THRESHOLD * 3) return;
mnodeman.DsegUpdate(pnode);
RequestedMasternodeAttempt++;
return;
}
if (RequestedMasternodeAssets == MASTERNODE_SYNC_MNW) {
if (lastMasternodeWinner > 0 && lastMasternodeWinner < GetTime() - MASTERNODE_SYNC_TIMEOUT * 2 && RequestedMasternodeAttempt >= MASTERNODE_SYNC_THRESHOLD) { //hasn't received a new item in the last five seconds, so we'll move to the
GetNextAsset();
return;
}
if (pnode->HasFulfilledRequest("mnwsync")) continue;
pnode->FulfilledRequest("mnwsync");
// timeout
if (lastMasternodeWinner == 0 &&
(RequestedMasternodeAttempt >= MASTERNODE_SYNC_THRESHOLD * 3 || GetTime() - nAssetSyncStarted > MASTERNODE_SYNC_TIMEOUT * 5)) {
if (IsSporkActive(SPORK_8_MASTERNODE_PAYMENT_ENFORCEMENT)) {
LogPrintf("CMasternodeSync::Process - ERROR - Sync has failed, will retry later\n");
RequestedMasternodeAssets = MASTERNODE_SYNC_FAILED;
RequestedMasternodeAttempt = 0;
lastFailure = GetTime();
nCountFailures++;
} else {
GetNextAsset();
}
return;
}
if (RequestedMasternodeAttempt >= MASTERNODE_SYNC_THRESHOLD * 3) return;
CBlockIndex* pindexPrev = chainActive.Tip();
if (pindexPrev == NULL) return;
int nMnCount = mnodeman.CountEnabled();
pnode->PushMessage("mnget", nMnCount); //sync payees
RequestedMasternodeAttempt++;
return;
}
}
if (pnode->nVersion >= ActiveProtocol()) {
if (RequestedMasternodeAssets == MASTERNODE_SYNC_BUDGET) {
//we'll start rejecting votes if we accidentally get set as synced too soon
if (lastBudgetItem > 0 && lastBudgetItem < GetTime() - MASTERNODE_SYNC_TIMEOUT * 2 && RequestedMasternodeAttempt >= MASTERNODE_SYNC_THRESHOLD) { //hasn't received a new item in the last five seconds, so we'll move to the
//LogPrintf("CMasternodeSync::Process - HasNextFinalizedBudget %d nCountFailures %d IsBudgetPropEmpty %d\n", budget.HasNextFinalizedBudget(), nCountFailures, IsBudgetPropEmpty());
//if(budget.HasNextFinalizedBudget() || nCountFailures >= 2 || IsBudgetPropEmpty()) {
GetNextAsset();
//try to activate our masternode if possible
activeMasternode.ManageStatus();
// } else { //we've failed to sync, this state will reject the next budget block
// LogPrintf("CMasternodeSync::Process - ERROR - Sync has failed, will retry later\n");
// RequestedMasternodeAssets = MASTERNODE_SYNC_FAILED;
// RequestedMasternodeAttempt = 0;
// lastFailure = GetTime();
// nCountFailures++;
// }
return;
}
// timeout
if (lastBudgetItem == 0 &&
(RequestedMasternodeAttempt >= MASTERNODE_SYNC_THRESHOLD * 3 || GetTime() - nAssetSyncStarted > MASTERNODE_SYNC_TIMEOUT * 5)) {
// maybe there is no budgets at all, so just finish syncing
GetNextAsset();
activeMasternode.ManageStatus();
return;
}
if (pnode->HasFulfilledRequest("busync")) continue;
pnode->FulfilledRequest("busync");
if (RequestedMasternodeAttempt >= MASTERNODE_SYNC_THRESHOLD * 3) return;
uint256 n = 0;
pnode->PushMessage("mnvs", n); //sync masternode votes
RequestedMasternodeAttempt++;
return;
}
}
}
}