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added spork files
This commit is contained in:
Evan Duffield
parent
38df2bf093
commit
6ab868a3e7
201
src/spork.cpp
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201
src/spork.cpp
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#include "bignum.h"
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#include "sync.h"
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#include "net.h"
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#include "key.h"
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#include "util.h"
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#include "script.h"
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#include "base58.h"
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#include "protocol.h"
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#include "spork.h"
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#include <boost/lexical_cast.hpp>
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using namespace std;
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using namespace boost;
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class CSporkMessage;
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class CSporkManager;
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std::map<uint256, CSporkMessage> mapSporks;
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std::map<int, CSporkMessage> mapSporksActive;
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CSporkManager sporkManager;
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void ProcessSpork(CNode* pfrom, std::string& strCommand, CDataStream& vRecv)
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{
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if(fLiteMode) return; //disable all darksend/masternode related functionality
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if (strCommand == "spork")
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{
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//LogPrintf("ProcessSpork::spork\n");
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CDataStream vMsg(vRecv);
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CSporkMessage spork;
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vRecv >> spork;
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if(chainActive.Tip() == NULL) return;
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uint256 hash = spork.GetHash();
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if(mapSporks.count(hash)) {
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if(mapSporksActive[spork.nSporkID].nTimeSigned >= spork.nTimeSigned){
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if(fDebug) LogPrintf("spork - seen %s block %d \n", hash.ToString().c_str(), chainActive.Tip()->nHeight);
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return;
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} else {
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if(fDebug) LogPrintf("spork - got updated spork %s block %d \n", hash.ToString().c_str(), chainActive.Tip()->nHeight);
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}
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}
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LogPrintf("spork - new %s ID %d Time %d bestHeight %d\n", hash.ToString().c_str(), spork.nSporkID, spork.nTimeStart, chainActive.Tip()->nHeight);
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if(!sporkManager.CheckSignature(spork)){
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LogPrintf("spork - invalid signature\n");
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Misbehaving(pfrom->GetId(), 100);
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return;
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}
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mapSporksActive[spork.nSporkID] = spork;
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sporkManager.Relay(spork);
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}
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if (strCommand == "getsporks")
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{
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std::map<int, CSporkMessage>::iterator it = mapSporksActive.begin();
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while(it != mapSporksActive.end()) {
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pfrom->PushMessage("spork", it->second);
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it++;
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}
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}
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}
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// grab the spork, otherwise say it's off
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bool IsSporkActive(int nSporkID)
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{
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int64_t r = 0;
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if(mapSporksActive.count(nSporkID)){
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r = mapSporksActive[nSporkID].nTimeStart;
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} else {
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if(nSporkID == SPORK_1_MASTERNODE_PAYMENTS_ENFORCEMENT) r = SPORK_1_MASTERNODE_PAYMENTS_ENFORCEMENT_DEFAULT;
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if(nSporkID == SPORK_2_INSTANTX) r = SPORK_2_INSTANTX_DEFAULT;
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if(nSporkID == SPORK_3_INSTANTX_BLOCK_FILTERING) r = SPORK_3_INSTANTX_BLOCK_FILTERING_DEFAULT;
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if(nSporkID == SPORK_4_RECONVERGE) r = SPORK_4_RECONVERGE_DEFAULT;
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if(r == 0) LogPrintf("GetSpork::Unknown Spork %d\n", nSporkID);
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}
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if(r == 0) r = 4070908800; //return 2099-1-1 by default
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return r < GetTime();
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}
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bool CSporkManager::CheckSignature(CSporkMessage& spork)
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{
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//note: need to investigate why this is failing
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std::string strMessage = boost::lexical_cast<std::string>(spork.nSporkID) + boost::lexical_cast<std::string>(spork.nTimeStart) + boost::lexical_cast<std::string>(spork.nTimeSigned);
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std::string strPubKey = (Params().NetworkID() == CChainParams::MAIN) ? strMainPubKey : strTestPubKey;
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CPubKey pubkey(ParseHex(strPubKey));
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std::string errorMessage = "";
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if(!darkSendSigner.VerifyMessage(pubkey, spork.vchSig, strMessage, errorMessage)){
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return false;
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}
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return true;
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}
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bool CSporkManager::Sign(CSporkMessage& spork)
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{
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std::string strMessage = boost::lexical_cast<std::string>(spork.nSporkID) + boost::lexical_cast<std::string>(spork.nTimeStart) + boost::lexical_cast<std::string>(spork.nTimeSigned);
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CKey key2;
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CPubKey pubkey2;
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std::string errorMessage = "";
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if(!darkSendSigner.SetKey(strMasterPrivKey, errorMessage, key2, pubkey2))
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{
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LogPrintf("CMasternodePayments::Sign - ERROR: Invalid masternodeprivkey: '%s'\n", errorMessage.c_str());
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return false;
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}
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if(!darkSendSigner.SignMessage(strMessage, errorMessage, spork.vchSig, key2)) {
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LogPrintf("CMasternodePayments::Sign - Sign message failed");
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return false;
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}
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if(!darkSendSigner.VerifyMessage(pubkey2, spork.vchSig, strMessage, errorMessage)) {
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LogPrintf("CMasternodePayments::Sign - Verify message failed");
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return false;
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}
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return true;
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}
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bool CSporkManager::UpdateSpork(int nSporkID, int64_t nTimeStart)
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{
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CSporkMessage msg;
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msg.nSporkID = nSporkID;
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msg.nTimeStart = nTimeStart;
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msg.nTimeSigned = GetTime();
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if(Sign(msg)){
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Relay(msg);
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mapSporks[msg.GetHash()] = msg;
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return true;
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}
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return false;
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}
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void CSporkManager::Relay(CSporkMessage& msg)
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{
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CInv inv(MSG_SPORK, msg.GetHash());
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vector<CInv> vInv;
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vInv.push_back(inv);
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LOCK(cs_vNodes);
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BOOST_FOREACH(CNode* pnode, vNodes){
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printf("send inv message %s\n", msg.GetHash().ToString().c_str());
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pnode->PushMessage("inv", vInv);
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}
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}
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bool CSporkManager::SetPrivKey(std::string strPrivKey)
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{
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CSporkMessage msg;
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// Test signing successful, proceed
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strMasterPrivKey = strPrivKey;
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Sign(msg);
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if(CheckSignature(msg)){
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LogPrintf("CSporkManager::SetPrivKey - Successfully initialized as spork signer\n");
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return true;
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} else {
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return false;
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}
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}
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int CSporkManager::GetSporkIDByName(std::string strName)
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{
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printf("%s\n", strName.c_str());
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if(strName == "SPORK_1_MASTERNODE_PAYMENTS_ENFORCEMENT") return SPORK_1_MASTERNODE_PAYMENTS_ENFORCEMENT;
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if(strName == "SPORK_2_INSTANTX") return SPORK_2_INSTANTX;
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if(strName == "SPORK_3_INSTANTX_BLOCK_FILTERING") return SPORK_3_INSTANTX_BLOCK_FILTERING;
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if(strName == "SPORK_4_RECONVERGE") return SPORK_4_RECONVERGE;
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return -1;
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}
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std::string CSporkManager::GetSporkNameByID(int id)
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{
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if(id == SPORK_1_MASTERNODE_PAYMENTS_ENFORCEMENT) return "SPORK_1_MASTERNODE_PAYMENTS_ENFORCEMENT";
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if(id == SPORK_2_INSTANTX) return "SPORK_2_INSTANTX";
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if(id == SPORK_3_INSTANTX_BLOCK_FILTERING) return "SPORK_3_INSTANTX_BLOCK_FILTERING";
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if(id == SPORK_4_RECONVERGE) return "SPORK_4_RECONVERGE";
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return "Unknown";
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}
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107
src/spork.h
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107
src/spork.h
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// Copyright (c) 2009-2010 Satoshi Nakamoto
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// Copyright (c) 2009-2012 The Bitcoin 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 SPORK_H
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#define SPORK_H
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#include "bignum.h"
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#include "sync.h"
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#include "net.h"
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#include "key.h"
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#include "core.h"
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#include "util.h"
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#include "script.h"
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#include "base58.h"
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#include "main.h"
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using namespace std;
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using namespace boost;
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// Don't ever reuse these IDs for other sporks
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#define SPORK_1_MASTERNODE_PAYMENTS_ENFORCEMENT 10000
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#define SPORK_2_INSTANTX 10001
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#define SPORK_3_INSTANTX_BLOCK_FILTERING 10002
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#define SPORK_4_RECONVERGE 10003
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#define SPORK_1_MASTERNODE_PAYMENTS_ENFORCEMENT_DEFAULT 1424217600 //2015-2-18
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#define SPORK_2_INSTANTX_DEFAULT 978307200 //2001-1-1
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#define SPORK_3_INSTANTX_BLOCK_FILTERING_DEFAULT 1424217600 //2015-2-18
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#define SPORK_4_RECONVERGE_DEFAULT 4070908800 //2099-1-1
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class CSporkMessage;
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class CSporkManager;
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#include "bignum.h"
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#include "net.h"
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#include "key.h"
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#include "util.h"
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#include "protocol.h"
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#include "darksend.h"
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#include <boost/lexical_cast.hpp>
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using namespace std;
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using namespace boost;
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extern std::map<uint256, CSporkMessage> mapSporks;
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extern std::map<int, CSporkMessage> mapSporksActive;
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extern CSporkManager sporkManager;
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void ProcessSpork(CNode* pfrom, std::string& strCommand, CDataStream& vRecv);
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bool IsSporkActive(int nSporkID);
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//
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// Spork Class
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// Keeps track of all of the network spork settings
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//
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class CSporkMessage
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{
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public:
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std::vector<unsigned char> vchSig;
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int nSporkID;
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int64_t nTimeStart;
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int64_t nTimeSigned;
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uint256 GetHash(){
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uint256 n = HashX11(BEGIN(nSporkID), END(nTimeSigned));
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return n;
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}
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IMPLEMENT_SERIALIZE(
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READWRITE(nSporkID);
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READWRITE(nTimeStart);
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READWRITE(nTimeSigned);
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READWRITE(vchSig);
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)
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};
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class CSporkManager
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{
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private:
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std::vector<unsigned char> vchSig;
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std::string strMasterPrivKey;
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std::string strTestPubKey;
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std::string strMainPubKey;
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public:
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CSporkManager() {
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strMainPubKey = "04549ac134f694c0243f503e8c8a9a986f5de6610049c40b07816809b0d1d06a21b07be27b9bb555931773f62ba6cf35a25fd52f694d4e1106ccd237a7bb899fdd";
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strTestPubKey = "046f78dcf911fbd61910136f7f0f8d90578f68d0b3ac973b5040fb7afb501b5939f39b108b0569dca71488f5bbf498d92e4d1194f6f941307ffd95f75e76869f0e";
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}
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std::string GetSporkNameByID(int id);
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int GetSporkIDByName(std::string strName);
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bool UpdateSpork(int nSporkID, int64_t nTimeStart);
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bool SetPrivKey(std::string strPrivKey);
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bool CheckSignature(CSporkMessage& spork);
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bool Sign(CSporkMessage& spork);
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void Relay(CSporkMessage& msg);
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};
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#endif
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