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refactor: misc spork refactoring (#4620)
* Use string_view instead of string for SERIALIZATION_VERSION_STRING. Also introduces string_view serialization. Also use string_view where (trivially) possible for params * separate GetSporks and sporks net msg processing into its own method * refactor: spork, use c++17 if-init * refactor: spork, remove unused params, make param pt * refactor: spork, use simplier construction * refactor: spork, make strError part of if-init, also w/o redundant initialization * refactor: spork, use structured binding * refactor: spork, use for instead of while * clang-format: spork.cpp * resolve cppcheck linter warning about unused variable
This commit is contained in:
parent
5bdd245105
commit
72e1d79fb8
@ -3929,7 +3929,7 @@ bool static ProcessMessage(CNode* pfrom, const std::string& strCommand, CDataStr
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}
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#endif // ENABLE_WALLET
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coinJoinServer.ProcessMessage(pfrom, strCommand, vRecv, *connman, enable_bip61);
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sporkManager.ProcessSpork(pfrom, strCommand, vRecv, *connman);
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sporkManager.ProcessSporkMessages(pfrom, strCommand, vRecv, *connman);
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masternodeSync.ProcessMessage(pfrom, strCommand, vRecv);
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governance.ProcessMessage(pfrom, strCommand, vRecv, *connman, enable_bip61);
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CMNAuth::ProcessMessage(pfrom, strCommand, vRecv, *connman);
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@ -970,6 +970,25 @@ void Unserialize(Stream& is, std::basic_string<C>& str)
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is.read((char*)str.data(), nSize * sizeof(C));
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}
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/**
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* string_view
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*/
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template<typename Stream, typename C>
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void Serialize(Stream& os, const std::basic_string_view<C>& str)
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{
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WriteCompactSize(os, str.size());
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if (!str.empty())
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os.write((char*)str.data(), str.size() * sizeof(C));
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}
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template<typename Stream, typename C>
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void Unserialize(Stream& is, std::basic_string_view<C>& str)
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{
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unsigned int nSize = ReadCompactSize(is);
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str.resize(nSize);
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if (nSize != 0)
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is.read((char*)str.data(), nSize * sizeof(C));
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}
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/**
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188
src/spork.cpp
188
src/spork.cpp
@ -20,30 +20,27 @@
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#include <string>
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const std::string CSporkManager::SERIALIZATION_VERSION_STRING = "CSporkManager-Version-2";
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CSporkManager sporkManager;
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bool CSporkManager::SporkValueIsActive(SporkId nSporkID, int64_t &nActiveValueRet) const
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bool CSporkManager::SporkValueIsActive(SporkId nSporkID, int64_t& nActiveValueRet) const
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{
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AssertLockHeld(cs);
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if (!mapSporksActive.count(nSporkID)) return false;
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auto it = mapSporksCachedValues.find(nSporkID);
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if (it != mapSporksCachedValues.end()) {
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if (auto it = mapSporksCachedValues.find(nSporkID); it != mapSporksCachedValues.end()) {
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nActiveValueRet = it->second;
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return true;
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}
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// calc how many values we have and how many signers vote for every value
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std::unordered_map<int64_t, int> mapValueCounts;
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for (const auto& pair: mapSporksActive.at(nSporkID)) {
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mapValueCounts[pair.second.nValue]++;
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if (mapValueCounts.at(pair.second.nValue) >= nMinSporkKeys) {
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for (const auto& [_, spork] : mapSporksActive.at(nSporkID)) {
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mapValueCounts[spork.nValue]++;
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if (mapValueCounts.at(spork.nValue) >= nMinSporkKeys) {
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// nMinSporkKeys is always more than the half of the max spork keys number,
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// so there is only one such value and we can stop here
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nActiveValueRet = pair.second.nValue;
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nActiveValueRet = spork.nValue;
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mapSporksCachedValues[nSporkID] = nActiveValueRet;
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return true;
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}
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@ -64,11 +61,9 @@ void CSporkManager::Clear()
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void CSporkManager::CheckAndRemove()
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{
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LOCK(cs);
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bool fSporkAddressIsSet = !setSporkPubKeyIDs.empty();
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assert(fSporkAddressIsSet);
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assert(!setSporkPubKeyIDs.empty());
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auto itActive = mapSporksActive.begin();
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while (itActive != mapSporksActive.end()) {
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for (auto itActive = mapSporksActive.begin(); itActive != mapSporksActive.end();) {
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auto itSignerPair = itActive->second.begin();
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while (itSignerPair != itActive->second.end()) {
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bool fHasValidSig = setSporkPubKeyIDs.find(itSignerPair->first) != setSporkPubKeyIDs.end() &&
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@ -87,10 +82,9 @@ void CSporkManager::CheckAndRemove()
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++itActive;
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}
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auto itByHash = mapSporksByHash.begin();
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while (itByHash != mapSporksByHash.end()) {
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for (auto itByHash = mapSporksByHash.begin(); itByHash != mapSporksByHash.end();) {
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bool found = false;
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for (const auto& signer: setSporkPubKeyIDs) {
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for (const auto& signer : setSporkPubKeyIDs) {
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if (itByHash->second.CheckSignature(signer)) {
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found = true;
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break;
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@ -104,83 +98,91 @@ void CSporkManager::CheckAndRemove()
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}
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}
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void CSporkManager::ProcessSpork(CNode* pfrom, const std::string& strCommand, CDataStream& vRecv, CConnman& connman)
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void CSporkManager::ProcessSporkMessages(CNode* pfrom, std::string_view strCommand, CDataStream& vRecv, CConnman& connman)
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{
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ProcessSpork(pfrom, strCommand, vRecv, connman);
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ProcessGetSporks(pfrom, strCommand, connman);
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}
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if (strCommand == NetMsgType::SPORK) {
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void CSporkManager::ProcessSpork(const CNode* pfrom, std::string_view strCommand, CDataStream& vRecv, CConnman& connman)
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{
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if (strCommand != NetMsgType::SPORK) return;
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CSporkMessage spork;
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vRecv >> spork;
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CSporkMessage spork;
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vRecv >> spork;
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uint256 hash = spork.GetHash();
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uint256 hash = spork.GetHash();
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std::string strLogMsg;
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{
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LOCK(cs_main);
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EraseObjectRequest(pfrom->GetId(), CInv(MSG_SPORK, hash));
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if(!::ChainActive().Tip()) return;
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strLogMsg = strprintf("SPORK -- hash: %s id: %d value: %10d bestHeight: %d peer=%d", hash.ToString(), spork.nSporkID, spork.nValue, ::ChainActive().Height(), pfrom->GetId());
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}
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std::string strLogMsg;
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{
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LOCK(cs_main);
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EraseObjectRequest(pfrom->GetId(), CInv(MSG_SPORK, hash));
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if (!::ChainActive().Tip()) return;
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strLogMsg = strprintf("SPORK -- hash: %s id: %d value: %10d bestHeight: %d peer=%d", hash.ToString(), spork.nSporkID, spork.nValue, ::ChainActive().Height(), pfrom->GetId());
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}
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if (spork.nTimeSigned > GetAdjustedTime() + 2 * 60 * 60) {
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LOCK(cs_main);
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LogPrint(BCLog::SPORK, "CSporkManager::ProcessSpork -- ERROR: too far into the future\n");
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Misbehaving(pfrom->GetId(), 100);
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return;
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}
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if (spork.nTimeSigned > GetAdjustedTime() + 2 * 60 * 60) {
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LOCK(cs_main);
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LogPrint(BCLog::SPORK, "CSporkManager::ProcessSpork -- ERROR: too far into the future\n");
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Misbehaving(pfrom->GetId(), 100);
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return;
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}
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CKeyID keyIDSigner;
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CKeyID keyIDSigner;
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if (!spork.GetSignerKeyID(keyIDSigner) || WITH_LOCK(cs, return !setSporkPubKeyIDs.count(keyIDSigner))) {
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LOCK(cs_main);
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LogPrint(BCLog::SPORK, "CSporkManager::ProcessSpork -- ERROR: invalid signature\n");
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Misbehaving(pfrom->GetId(), 100);
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return;
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}
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if (!spork.GetSignerKeyID(keyIDSigner) || WITH_LOCK(cs, return !setSporkPubKeyIDs.count(keyIDSigner))) {
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LOCK(cs_main);
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LogPrint(BCLog::SPORK, "CSporkManager::ProcessSpork -- ERROR: invalid signature\n");
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Misbehaving(pfrom->GetId(), 100);
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return;
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}
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{
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LOCK(cs); // make sure to not lock this together with cs_main
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if (mapSporksActive.count(spork.nSporkID)) {
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if (mapSporksActive[spork.nSporkID].count(keyIDSigner)) {
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if (mapSporksActive[spork.nSporkID][keyIDSigner].nTimeSigned >= spork.nTimeSigned) {
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LogPrint(BCLog::SPORK, "%s seen\n", strLogMsg);
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return;
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} else {
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LogPrintf("%s updated\n", strLogMsg);
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}
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{
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LOCK(cs); // make sure to not lock this together with cs_main
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if (mapSporksActive.count(spork.nSporkID)) {
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if (mapSporksActive[spork.nSporkID].count(keyIDSigner)) {
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if (mapSporksActive[spork.nSporkID][keyIDSigner].nTimeSigned >= spork.nTimeSigned) {
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LogPrint(BCLog::SPORK, "%s seen\n", strLogMsg);
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return;
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} else {
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LogPrintf("%s new signer\n", strLogMsg);
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LogPrintf("%s updated\n", strLogMsg);
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}
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} else {
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LogPrintf("%s new\n", strLogMsg);
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}
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}
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{
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LOCK(cs); // make sure to not lock this together with cs_main
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mapSporksByHash[hash] = spork;
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mapSporksActive[spork.nSporkID][keyIDSigner] = spork;
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// Clear cached values on new spork being processed
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mapSporksCachedActive.erase(spork.nSporkID);
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mapSporksCachedValues.erase(spork.nSporkID);
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}
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spork.Relay(connman);
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} else if (strCommand == NetMsgType::GETSPORKS) {
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LOCK(cs); // make sure to not lock this together with cs_main
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for (const auto& pair : mapSporksActive) {
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for (const auto& signerSporkPair: pair.second) {
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connman.PushMessage(pfrom, CNetMsgMaker(pfrom->GetSendVersion()).Make(NetMsgType::SPORK, signerSporkPair.second));
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LogPrintf("%s new signer\n", strLogMsg);
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}
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} else {
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LogPrintf("%s new\n", strLogMsg);
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}
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}
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{
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LOCK(cs); // make sure to not lock this together with cs_main
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mapSporksByHash[hash] = spork;
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mapSporksActive[spork.nSporkID][keyIDSigner] = spork;
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// Clear cached values on new spork being processed
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mapSporksCachedActive.erase(spork.nSporkID);
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mapSporksCachedValues.erase(spork.nSporkID);
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}
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spork.Relay(connman);
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}
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void CSporkManager::ProcessGetSporks(CNode* pfrom, std::string_view strCommand, CConnman& connman)
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{
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if (strCommand != NetMsgType::GETSPORKS) return;
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LOCK(cs); // make sure to not lock this together with cs_main
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for (const auto& pair : mapSporksActive) {
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for (const auto& signerSporkPair : pair.second) {
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connman.PushMessage(pfrom, CNetMsgMaker(pfrom->GetSendVersion()).Make(NetMsgType::SPORK, signerSporkPair.second));
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}
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}
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}
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bool CSporkManager::UpdateSpork(SporkId nSporkID, int64_t nValue, CConnman& connman)
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{
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CSporkMessage spork = CSporkMessage(nSporkID, nValue, GetAdjustedTime());
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CSporkMessage spork(nSporkID, nValue, GetAdjustedTime());
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{
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LOCK(cs);
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@ -213,8 +215,7 @@ bool CSporkManager::IsSporkActive(SporkId nSporkID) const
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{
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LOCK(cs);
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// If nSporkID is cached, and the cached value is true, then return early true
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auto it = mapSporksCachedActive.find(nSporkID);
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if (it != mapSporksCachedActive.end() && it->second) {
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if (auto it = mapSporksCachedActive.find(nSporkID); it != mapSporksCachedActive.end() && it->second) {
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return true;
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}
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@ -232,8 +233,7 @@ int64_t CSporkManager::GetSporkValue(SporkId nSporkID) const
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{
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LOCK(cs);
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int64_t nSporkValue = -1;
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if (SporkValueIsActive(nSporkID, nSporkValue)) {
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if (int64_t nSporkValue = -1; SporkValueIsActive(nSporkID, nSporkValue)) {
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return nSporkValue;
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}
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@ -247,7 +247,7 @@ int64_t CSporkManager::GetSporkValue(SporkId nSporkID) const
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return -1;
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}
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SporkId CSporkManager::GetSporkIDByName(const std::string& strName)
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SporkId CSporkManager::GetSporkIDByName(std::string_view strName)
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{
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for (const auto& sporkDef : sporkDefs) {
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if (sporkDef.name == strName) {
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@ -259,7 +259,7 @@ SporkId CSporkManager::GetSporkIDByName(const std::string& strName)
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return SPORK_INVALID;
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}
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bool CSporkManager::GetSporkByHash(const uint256& hash, CSporkMessage &sporkRet) const
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bool CSporkManager::GetSporkByHash(const uint256& hash, CSporkMessage& sporkRet) const
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{
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LOCK(cs);
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@ -273,10 +273,11 @@ bool CSporkManager::GetSporkByHash(const uint256& hash, CSporkMessage &sporkRet)
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return true;
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}
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bool CSporkManager::SetSporkAddress(const std::string& strAddress) {
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bool CSporkManager::SetSporkAddress(const std::string& strAddress)
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{
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LOCK(cs);
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CTxDestination dest = DecodeDestination(strAddress);
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const CKeyID *keyID = boost::get<CKeyID>(&dest);
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const CKeyID* keyID = boost::get<CKeyID>(&dest);
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if (!keyID) {
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LogPrintf("CSporkManager::SetSporkAddress -- Failed to parse spork address\n");
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return false;
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@ -288,8 +289,7 @@ bool CSporkManager::SetSporkAddress(const std::string& strAddress) {
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bool CSporkManager::SetMinSporkKeys(int minSporkKeys)
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{
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LOCK(cs);
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int maxKeysNumber = setSporkPubKeyIDs.size();
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if ((minSporkKeys <= maxKeysNumber / 2) || (minSporkKeys > maxKeysNumber)) {
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if (int maxKeysNumber = setSporkPubKeyIDs.size(); (minSporkKeys <= maxKeysNumber / 2) || (minSporkKeys > maxKeysNumber)) {
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LogPrintf("CSporkManager::SetMinSporkKeys -- Invalid min spork signers number: %d\n", minSporkKeys);
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return false;
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}
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@ -301,7 +301,7 @@ bool CSporkManager::SetPrivKey(const std::string& strPrivKey)
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{
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CKey key;
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CPubKey pubKey;
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if(!CMessageSigner::GetKeysFromSecret(strPrivKey, key, pubKey)) {
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if (!CMessageSigner::GetKeysFromSecret(strPrivKey, key, pubKey)) {
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LogPrintf("CSporkManager::SetPrivKey -- Failed to parse private key\n");
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return false;
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}
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@ -312,8 +312,7 @@ bool CSporkManager::SetPrivKey(const std::string& strPrivKey)
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return false;
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}
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CSporkMessage spork;
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if (!spork.Sign(key)) {
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if (!CSporkMessage().Sign(key)) {
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LogPrintf("CSporkManager::SetPrivKey -- Test signing failed\n");
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return false;
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}
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@ -352,13 +351,12 @@ bool CSporkMessage::Sign(const CKey& key)
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}
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CKeyID pubKeyId = key.GetPubKey().GetID();
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std::string strError = "";
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// Harden Spork6 so that it is active on testnet and no other networks
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if (Params().NetworkIDString() == CBaseChainParams::TESTNET) {
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if (std::string strError; Params().NetworkIDString() == CBaseChainParams::TESTNET) {
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uint256 hash = GetSignatureHash();
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if(!CHashSigner::SignHash(hash, key, vchSig)) {
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if (!CHashSigner::SignHash(hash, key, vchSig)) {
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LogPrintf("CSporkMessage::Sign -- SignHash() failed\n");
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return false;
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}
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@ -370,12 +368,12 @@ bool CSporkMessage::Sign(const CKey& key)
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} else {
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std::string strMessage = std::to_string(nSporkID) + std::to_string(nValue) + std::to_string(nTimeSigned);
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if(!CMessageSigner::SignMessage(strMessage, vchSig, key)) {
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if (!CMessageSigner::SignMessage(strMessage, vchSig, key)) {
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LogPrintf("CSporkMessage::Sign -- SignMessage() failed\n");
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return false;
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}
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if(!CMessageSigner::VerifyMessage(pubKeyId, vchSig, strMessage, strError)) {
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if (!CMessageSigner::VerifyMessage(pubKeyId, vchSig, strMessage, strError)) {
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LogPrintf("CSporkMessage::Sign -- VerifyMessage() failed, error: %s\n", strError);
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return false;
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}
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@ -386,10 +384,8 @@ bool CSporkMessage::Sign(const CKey& key)
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bool CSporkMessage::CheckSignature(const CKeyID& pubKeyId) const
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{
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std::string strError = "";
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// Harden Spork6 so that it is active on testnet and no other networks
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if (Params().NetworkIDString() == CBaseChainParams::TESTNET) {
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if (std::string strError; Params().NetworkIDString() == CBaseChainParams::TESTNET) {
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uint256 hash = GetSignatureHash();
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if (!CHashSigner::VerifyHash(hash, pubKeyId, vchSig, strError)) {
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@ -399,7 +395,7 @@ bool CSporkMessage::CheckSignature(const CKeyID& pubKeyId) const
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} else {
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std::string strMessage = std::to_string(nSporkID) + std::to_string(nValue) + std::to_string(nTimeSigned);
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if (!CMessageSigner::VerifyMessage(pubKeyId, vchSig, strMessage, strError)){
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if (!CMessageSigner::VerifyMessage(pubKeyId, vchSig, strMessage, strError)) {
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LogPrint(BCLog::SPORK, "CSporkMessage::CheckSignature -- VerifyMessage() failed, error: %s\n", strError);
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return false;
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}
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@ -408,7 +404,7 @@ bool CSporkMessage::CheckSignature(const CKeyID& pubKeyId) const
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return true;
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}
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||||
|
||||
bool CSporkMessage::GetSignerKeyID(CKeyID &retKeyidSporkSigner) const
|
||||
bool CSporkMessage::GetSignerKeyID(CKeyID& retKeyidSporkSigner) const
|
||||
{
|
||||
CPubKey pubkeyFromSig;
|
||||
// Harden Spork6 so that it is active on testnet and no other networks
|
||||
|
38
src/spork.h
38
src/spork.h
@ -14,7 +14,6 @@
|
||||
#include <uint256.h>
|
||||
|
||||
#include <array>
|
||||
#include <string>
|
||||
#include <string_view>
|
||||
#include <unordered_map>
|
||||
#include <vector>
|
||||
@ -98,9 +97,9 @@ private:
|
||||
std::vector<unsigned char> vchSig;
|
||||
|
||||
public:
|
||||
SporkId nSporkID;
|
||||
int64_t nValue;
|
||||
int64_t nTimeSigned;
|
||||
SporkId nSporkID{0};
|
||||
int64_t nValue{0};
|
||||
int64_t nTimeSigned{0};
|
||||
|
||||
CSporkMessage(SporkId nSporkID, int64_t nValue, int64_t nTimeSigned) :
|
||||
nSporkID(nSporkID),
|
||||
@ -108,12 +107,7 @@ public:
|
||||
nTimeSigned(nTimeSigned)
|
||||
{}
|
||||
|
||||
CSporkMessage() :
|
||||
nSporkID((SporkId)0),
|
||||
nValue(0),
|
||||
nTimeSigned(0)
|
||||
{}
|
||||
|
||||
CSporkMessage() = default;
|
||||
|
||||
SERIALIZE_METHODS(CSporkMessage, obj)
|
||||
{
|
||||
@ -166,7 +160,7 @@ public:
|
||||
class CSporkManager
|
||||
{
|
||||
private:
|
||||
static const std::string SERIALIZATION_VERSION_STRING;
|
||||
static constexpr std::string_view SERIALIZATION_VERSION_STRING = "CSporkManager-Version-2";
|
||||
|
||||
mutable CCriticalSection cs;
|
||||
|
||||
@ -232,13 +226,25 @@ public:
|
||||
void CheckAndRemove();
|
||||
|
||||
/**
|
||||
* ProcessSpork is used to handle the 'getsporks' and 'spork' p2p messages.
|
||||
* ProcessSporkMessages is used to call ProcessSpork and ProcessGetSporks. See below
|
||||
*/
|
||||
void ProcessSporkMessages(CNode* pfrom, std::string_view strCommand, CDataStream& vRecv, CConnman& connman);
|
||||
|
||||
/**
|
||||
* ProcessSpork is used to handle the 'spork' p2p message.
|
||||
*
|
||||
* For 'getsporks', it sends active sporks to the requesting peer. For 'spork',
|
||||
* it validates the spork and adds it to the internal spork storage and
|
||||
* For 'spork', it validates the spork and adds it to the internal spork storage and
|
||||
* performs any necessary processing.
|
||||
*/
|
||||
void ProcessSpork(CNode* pfrom, const std::string& strCommand, CDataStream& vRecv, CConnman& connman);
|
||||
void ProcessSpork(const CNode* pfrom, std::string_view strCommand, CDataStream& vRecv, CConnman& connman);
|
||||
|
||||
|
||||
/**
|
||||
* ProcessGetSporks is used to handle the 'getsporks' p2p message.
|
||||
*
|
||||
* For 'getsporks', it sends active sporks to the requesting peer.
|
||||
*/
|
||||
void ProcessGetSporks(CNode* pfrom, std::string_view strCommand, CConnman& connman);
|
||||
|
||||
/**
|
||||
* UpdateSpork is used by the spork RPC command to set a new spork value, sign
|
||||
@ -266,7 +272,7 @@ public:
|
||||
/**
|
||||
* GetSporkIDByName returns the internal Spork ID given the spork name.
|
||||
*/
|
||||
static SporkId GetSporkIDByName(const std::string& strName) ;
|
||||
static SporkId GetSporkIDByName(std::string_view strName);
|
||||
|
||||
/**
|
||||
* GetSporkByHash returns a spork message given a hash of the spork message.
|
||||
|
Loading…
Reference in New Issue
Block a user