241 lines
10 KiB
C++
241 lines
10 KiB
C++
// Copyright (c) 2014-2017 The Dash Core developers
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// Distributed under the MIT software license, see the accompanying
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// file COPYING or http://www.opensource.org/licenses/mit-license.php.
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#include "activemasternode.h"
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#include "masternode.h"
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#include "masternode-sync.h"
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#include "masternodeman.h"
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#include "protocol.h"
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// Keep track of the active Masternode
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CActiveMasternode activeMasternode;
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void CActiveMasternode::ManageState(CConnman& connman)
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{
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LogPrint("masternode", "CActiveMasternode::ManageState -- Start\n");
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if(!fMasternodeMode) {
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LogPrint("masternode", "CActiveMasternode::ManageState -- Not a masternode, returning\n");
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return;
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}
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if(Params().NetworkIDString() != CBaseChainParams::REGTEST && !masternodeSync.IsBlockchainSynced()) {
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nState = ACTIVE_MASTERNODE_SYNC_IN_PROCESS;
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LogPrintf("CActiveMasternode::ManageState -- %s: %s\n", GetStateString(), GetStatus());
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return;
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}
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if(nState == ACTIVE_MASTERNODE_SYNC_IN_PROCESS) {
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nState = ACTIVE_MASTERNODE_INITIAL;
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}
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LogPrint("masternode", "CActiveMasternode::ManageState -- status = %s, type = %s, pinger enabled = %d\n", GetStatus(), GetTypeString(), fPingerEnabled);
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if(eType == MASTERNODE_UNKNOWN) {
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ManageStateInitial(connman);
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}
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if(eType == MASTERNODE_REMOTE) {
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ManageStateRemote();
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}
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SendMasternodePing(connman);
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}
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std::string CActiveMasternode::GetStateString() const
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{
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switch (nState) {
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case ACTIVE_MASTERNODE_INITIAL: return "INITIAL";
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case ACTIVE_MASTERNODE_SYNC_IN_PROCESS: return "SYNC_IN_PROCESS";
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case ACTIVE_MASTERNODE_INPUT_TOO_NEW: return "INPUT_TOO_NEW";
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case ACTIVE_MASTERNODE_NOT_CAPABLE: return "NOT_CAPABLE";
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case ACTIVE_MASTERNODE_STARTED: return "STARTED";
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default: return "UNKNOWN";
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}
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}
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std::string CActiveMasternode::GetStatus() const
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{
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switch (nState) {
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case ACTIVE_MASTERNODE_INITIAL: return "Node just started, not yet activated";
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case ACTIVE_MASTERNODE_SYNC_IN_PROCESS: return "Sync in progress. Must wait until sync is complete to start Masternode";
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case ACTIVE_MASTERNODE_INPUT_TOO_NEW: return strprintf("Masternode input must have at least %d confirmations", Params().GetConsensus().nMasternodeMinimumConfirmations);
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case ACTIVE_MASTERNODE_NOT_CAPABLE: return "Not capable masternode: " + strNotCapableReason;
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case ACTIVE_MASTERNODE_STARTED: return "Masternode successfully started";
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default: return "Unknown";
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}
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}
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std::string CActiveMasternode::GetTypeString() const
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{
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std::string strType;
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switch(eType) {
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case MASTERNODE_REMOTE:
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strType = "REMOTE";
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break;
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default:
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strType = "UNKNOWN";
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break;
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}
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return strType;
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}
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bool CActiveMasternode::SendMasternodePing(CConnman& connman)
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{
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if(!fPingerEnabled) {
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LogPrint("masternode", "CActiveMasternode::SendMasternodePing -- %s: masternode ping service is disabled, skipping...\n", GetStateString());
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return false;
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}
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if(!mnodeman.Has(outpoint)) {
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strNotCapableReason = "Masternode not in masternode list";
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nState = ACTIVE_MASTERNODE_NOT_CAPABLE;
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LogPrintf("CActiveMasternode::SendMasternodePing -- %s: %s\n", GetStateString(), strNotCapableReason);
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return false;
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}
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CMasternodePing mnp(outpoint);
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mnp.nSentinelVersion = nSentinelVersion;
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mnp.fSentinelIsCurrent =
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(abs(GetAdjustedTime() - nSentinelPingTime) < MASTERNODE_WATCHDOG_MAX_SECONDS);
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if(!mnp.Sign(keyMasternode, pubKeyMasternode)) {
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LogPrintf("CActiveMasternode::SendMasternodePing -- ERROR: Couldn't sign Masternode Ping\n");
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return false;
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}
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// Update lastPing for our masternode in Masternode list
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if(mnodeman.IsMasternodePingedWithin(outpoint, MASTERNODE_MIN_MNP_SECONDS, mnp.sigTime)) {
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LogPrintf("CActiveMasternode::SendMasternodePing -- Too early to send Masternode Ping\n");
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return false;
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}
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mnodeman.SetMasternodeLastPing(outpoint, mnp);
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LogPrintf("CActiveMasternode::SendMasternodePing -- Relaying ping, collateral=%s\n", outpoint.ToStringShort());
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mnp.Relay(connman);
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return true;
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}
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bool CActiveMasternode::UpdateSentinelPing(int version)
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{
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nSentinelVersion = version;
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nSentinelPingTime = GetAdjustedTime();
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return true;
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}
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void CActiveMasternode::ManageStateInitial(CConnman& connman)
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{
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LogPrint("masternode", "CActiveMasternode::ManageStateInitial -- status = %s, type = %s, pinger enabled = %d\n", GetStatus(), GetTypeString(), fPingerEnabled);
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// Check that our local network configuration is correct
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if (!fListen) {
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// listen option is probably overwritten by smth else, no good
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nState = ACTIVE_MASTERNODE_NOT_CAPABLE;
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strNotCapableReason = "Masternode must accept connections from outside. Make sure listen configuration option is not overwritten by some another parameter.";
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LogPrintf("CActiveMasternode::ManageStateInitial -- %s: %s\n", GetStateString(), strNotCapableReason);
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return;
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}
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// First try to find whatever local address is specified by externalip option
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bool fFoundLocal = GetLocal(service) && CMasternode::IsValidNetAddr(service);
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if(!fFoundLocal) {
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bool empty = true;
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// If we have some peers, let's try to find our local address from one of them
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connman.ForEachNodeContinueIf(CConnman::AllNodes, [&fFoundLocal, &empty, this](CNode* pnode) {
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empty = false;
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if (pnode->addr.IsIPv4())
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fFoundLocal = GetLocal(service, &pnode->addr) && CMasternode::IsValidNetAddr(service);
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return !fFoundLocal;
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});
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// nothing and no live connections, can't do anything for now
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if (empty) {
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nState = ACTIVE_MASTERNODE_NOT_CAPABLE;
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strNotCapableReason = "Can't detect valid external address. Will retry when there are some connections available.";
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LogPrintf("CActiveMasternode::ManageStateInitial -- %s: %s\n", GetStateString(), strNotCapableReason);
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return;
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}
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}
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if(!fFoundLocal) {
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nState = ACTIVE_MASTERNODE_NOT_CAPABLE;
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strNotCapableReason = "Can't detect valid external address. Please consider using the externalip configuration option if problem persists. Make sure to use IPv4 address only.";
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LogPrintf("CActiveMasternode::ManageStateInitial -- %s: %s\n", GetStateString(), strNotCapableReason);
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return;
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}
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int mainnetDefaultPort = Params(CBaseChainParams::MAIN).GetDefaultPort();
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if(Params().NetworkIDString() == CBaseChainParams::MAIN) {
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if(service.GetPort() != mainnetDefaultPort) {
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nState = ACTIVE_MASTERNODE_NOT_CAPABLE;
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strNotCapableReason = strprintf("Invalid port: %u - only %d is supported on mainnet.", service.GetPort(), mainnetDefaultPort);
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LogPrintf("CActiveMasternode::ManageStateInitial -- %s: %s\n", GetStateString(), strNotCapableReason);
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return;
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}
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} else if(service.GetPort() == mainnetDefaultPort) {
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nState = ACTIVE_MASTERNODE_NOT_CAPABLE;
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strNotCapableReason = strprintf("Invalid port: %u - %d is only supported on mainnet.", service.GetPort(), mainnetDefaultPort);
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LogPrintf("CActiveMasternode::ManageStateInitial -- %s: %s\n", GetStateString(), strNotCapableReason);
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return;
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}
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LogPrintf("CActiveMasternode::ManageStateInitial -- Checking inbound connection to '%s'\n", service.ToString());
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CAddress addr(service, NODE_NETWORK);
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connman.OpenMasternodeConnection(addr);
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if (!connman.IsConnected(addr, CConnman::AllNodes)) {
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nState = ACTIVE_MASTERNODE_NOT_CAPABLE;
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strNotCapableReason = "Could not connect to " + service.ToString();
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LogPrintf("CActiveMasternode::ManageStateInitial -- %s: %s\n", GetStateString(), strNotCapableReason);
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return;
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}
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// Default to REMOTE
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eType = MASTERNODE_REMOTE;
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LogPrint("masternode", "CActiveMasternode::ManageStateInitial -- End status = %s, type = %s, pinger enabled = %d\n", GetStatus(), GetTypeString(), fPingerEnabled);
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}
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void CActiveMasternode::ManageStateRemote()
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{
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LogPrint("masternode", "CActiveMasternode::ManageStateRemote -- Start status = %s, type = %s, pinger enabled = %d, pubKeyMasternode.GetID() = %s\n",
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GetStatus(), GetTypeString(), fPingerEnabled, pubKeyMasternode.GetID().ToString());
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mnodeman.CheckMasternode(pubKeyMasternode, true);
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masternode_info_t infoMn;
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if(mnodeman.GetMasternodeInfo(pubKeyMasternode, infoMn)) {
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if(infoMn.nProtocolVersion != PROTOCOL_VERSION) {
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nState = ACTIVE_MASTERNODE_NOT_CAPABLE;
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strNotCapableReason = "Invalid protocol version";
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LogPrintf("CActiveMasternode::ManageStateRemote -- %s: %s\n", GetStateString(), strNotCapableReason);
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return;
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}
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if(service != infoMn.addr) {
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nState = ACTIVE_MASTERNODE_NOT_CAPABLE;
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strNotCapableReason = "Broadcasted IP doesn't match our external address. Make sure you issued a new broadcast if IP of this masternode changed recently.";
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LogPrintf("CActiveMasternode::ManageStateRemote -- %s: %s\n", GetStateString(), strNotCapableReason);
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return;
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}
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if(!CMasternode::IsValidStateForAutoStart(infoMn.nActiveState)) {
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nState = ACTIVE_MASTERNODE_NOT_CAPABLE;
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strNotCapableReason = strprintf("Masternode in %s state", CMasternode::StateToString(infoMn.nActiveState));
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LogPrintf("CActiveMasternode::ManageStateRemote -- %s: %s\n", GetStateString(), strNotCapableReason);
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return;
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}
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if(nState != ACTIVE_MASTERNODE_STARTED) {
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LogPrintf("CActiveMasternode::ManageStateRemote -- STARTED!\n");
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outpoint = infoMn.vin.prevout;
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service = infoMn.addr;
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fPingerEnabled = true;
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nState = ACTIVE_MASTERNODE_STARTED;
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}
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}
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else {
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nState = ACTIVE_MASTERNODE_NOT_CAPABLE;
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strNotCapableReason = "Masternode not in masternode list";
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LogPrintf("CActiveMasternode::ManageStateRemote -- %s: %s\n", GetStateString(), strNotCapableReason);
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}
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}
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