287 lines
9.8 KiB
C++
287 lines
9.8 KiB
C++
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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 "base58.h"
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#include "protocol.h"
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#include "spork.h"
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#include "main.h"
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#include "masternode-budget.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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CSporkManager sporkManager;
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std::map<uint256, CSporkMessage> mapSporks;
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std::map<int, CSporkMessage> mapSporksActive;
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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(mapSporksActive.count(spork.nSporkID)) {
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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(), 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(), 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(), spork.nSporkID, spork.nValue, 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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mapSporks[hash] = spork;
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mapSporksActive[spork.nSporkID] = spork;
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sporkManager.Relay(spork);
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//does a task if needed
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ExecuteSpork(spork.nSporkID, spork.nValue);
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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 = -1;
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if(mapSporksActive.count(nSporkID)){
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r = mapSporksActive[nSporkID].nValue;
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} else {
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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_5_MAX_VALUE) r = SPORK_5_MAX_VALUE_DEFAULT;
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if(nSporkID == SPORK_7_MASTERNODE_SCANNING) r = SPORK_7_MASTERNODE_SCANNING_DEFAULT;
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if(nSporkID == SPORK_8_MASTERNODE_PAYMENT_ENFORCEMENT) r = SPORK_8_MASTERNODE_PAYMENT_ENFORCEMENT_DEFAULT;
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if(nSporkID == SPORK_9_MASTERNODE_BUDGET_ENFORCEMENT) r = SPORK_9_MASTERNODE_BUDGET_ENFORCEMENT_DEFAULT;
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if(nSporkID == SPORK_10_MASTERNODE_PAY_UPDATED_NODES) r = SPORK_10_MASTERNODE_PAY_UPDATED_NODES_DEFAULT;
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if(nSporkID == SPORK_11_RESET_BUDGET) r = SPORK_11_RESET_BUDGET_DEFAULT;
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if(nSporkID == SPORK_12_RECONSIDER_BLOCKS) r = SPORK_12_RECONSIDER_BLOCKS_DEFAULT;
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if(nSporkID == SPORK_13_ENABLE_SUPERBLOCKS) r = SPORK_13_ENABLE_SUPERBLOCKS_DEFAULT;
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if(r == -1) LogPrintf("GetSpork::Unknown Spork %d\n", nSporkID);
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}
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if(r == -1) r = 4070908800; //return 2099-1-1 by default
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return r < GetTime();
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}
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// grab the value of the spork on the network, or the default
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int GetSporkValue(int nSporkID)
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{
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int r = 0;
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if(mapSporksActive.count(nSporkID)){
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r = mapSporksActive[nSporkID].nValue;
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} else {
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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_5_MAX_VALUE) r = SPORK_5_MAX_VALUE_DEFAULT;
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if(nSporkID == SPORK_7_MASTERNODE_SCANNING) r = SPORK_7_MASTERNODE_SCANNING_DEFAULT;
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if(nSporkID == SPORK_8_MASTERNODE_PAYMENT_ENFORCEMENT) r = SPORK_8_MASTERNODE_PAYMENT_ENFORCEMENT_DEFAULT;
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if(nSporkID == SPORK_9_MASTERNODE_BUDGET_ENFORCEMENT) r = SPORK_9_MASTERNODE_BUDGET_ENFORCEMENT_DEFAULT;
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if(nSporkID == SPORK_10_MASTERNODE_PAY_UPDATED_NODES) r = SPORK_10_MASTERNODE_PAY_UPDATED_NODES_DEFAULT;
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if(nSporkID == SPORK_11_RESET_BUDGET) r = SPORK_11_RESET_BUDGET_DEFAULT;
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if(nSporkID == SPORK_12_RECONSIDER_BLOCKS) r = SPORK_12_RECONSIDER_BLOCKS_DEFAULT;
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if(nSporkID == SPORK_13_ENABLE_SUPERBLOCKS) r = SPORK_13_ENABLE_SUPERBLOCKS_DEFAULT;
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if(r == 0) LogPrintf("GetSpork::Unknown Spork %d\n", nSporkID);
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}
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return r;
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}
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void ExecuteSpork(int nSporkID, int nValue)
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{
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if(nSporkID == SPORK_11_RESET_BUDGET && nValue == 1){
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budget.Clear();
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}
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//correct fork via spork technology
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if(nSporkID == SPORK_12_RECONSIDER_BLOCKS && nValue > 0) {
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LogPrintf("Spork::ExecuteSpork -- Reconsider Last %d Blocks\n", nValue);
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ReprocessBlocks(nValue);
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}
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}
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void ReprocessBlocks(int nBlocks)
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{
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std::map<uint256, int64_t>::iterator it = mapRejectedBlocks.begin();
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while(it != mapRejectedBlocks.end()){
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//use a window twice as large as is usual for the nBlocks we want to reset
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if((*it).second > GetTime() - (nBlocks*60*5)) {
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BlockMap::iterator mi = mapBlockIndex.find((*it).first);
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if (mi != mapBlockIndex.end() && (*mi).second) {
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LOCK(cs_main);
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CBlockIndex* pindex = (*mi).second;
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LogPrintf("ReprocessBlocks - %s\n", (*it).first.ToString());
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CValidationState state;
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ReconsiderBlock(state, pindex);
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}
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}
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++it;
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}
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CValidationState state;
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{
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LOCK(cs_main);
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DisconnectBlocksAndReprocess(nBlocks);
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}
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if (state.IsValid()) {
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ActivateBestChain(state);
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}
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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.nValue) + boost::lexical_cast<std::string>(spork.nTimeSigned);
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CPubKey pubkey(ParseHex(Params().SporkKey()));
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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.nValue) + 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);
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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 nValue)
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{
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CSporkMessage msg;
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msg.nSporkID = nSporkID;
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msg.nValue = nValue;
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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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mapSporksActive[nSporkID] = 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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RelayInv(inv);
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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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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_5_MAX_VALUE") return SPORK_5_MAX_VALUE;
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if(strName == "SPORK_7_MASTERNODE_SCANNING") return SPORK_7_MASTERNODE_SCANNING;
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if(strName == "SPORK_8_MASTERNODE_PAYMENT_ENFORCEMENT") return SPORK_8_MASTERNODE_PAYMENT_ENFORCEMENT;
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if(strName == "SPORK_9_MASTERNODE_BUDGET_ENFORCEMENT") return SPORK_9_MASTERNODE_BUDGET_ENFORCEMENT;
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if(strName == "SPORK_10_MASTERNODE_PAY_UPDATED_NODES") return SPORK_10_MASTERNODE_PAY_UPDATED_NODES;
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if(strName == "SPORK_11_RESET_BUDGET") return SPORK_11_RESET_BUDGET;
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if(strName == "SPORK_12_RECONSIDER_BLOCKS") return SPORK_12_RECONSIDER_BLOCKS;
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if(strName == "SPORK_13_ENABLE_SUPERBLOCKS") return SPORK_13_ENABLE_SUPERBLOCKS;
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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_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_5_MAX_VALUE) return "SPORK_5_MAX_VALUE";
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if(id == SPORK_7_MASTERNODE_SCANNING) return "SPORK_7_MASTERNODE_SCANNING";
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if(id == SPORK_8_MASTERNODE_PAYMENT_ENFORCEMENT) return "SPORK_8_MASTERNODE_PAYMENT_ENFORCEMENT";
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if(id == SPORK_9_MASTERNODE_BUDGET_ENFORCEMENT) return "SPORK_9_MASTERNODE_BUDGET_ENFORCEMENT";
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if(id == SPORK_10_MASTERNODE_PAY_UPDATED_NODES) return "SPORK_10_MASTERNODE_PAY_UPDATED_NODES";
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if(id == SPORK_11_RESET_BUDGET) return "SPORK_11_RESET_BUDGET";
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if(id == SPORK_12_RECONSIDER_BLOCKS) return "SPORK_12_RECONSIDER_BLOCKS";
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if(id == SPORK_13_ENABLE_SUPERBLOCKS) return "SPORK_13_ENABLE_SUPERBLOCKS";
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return "Unknown";
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}
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