// Copyright (c) 2014-2018 The Dash Core developers // Distributed under the MIT/X11 software license, see the accompanying // file COPYING or http://www.opensource.org/licenses/mit-license.php. //#define ENABLE_DASH_DEBUG #include "governance-classes.h" #include "core_io.h" #include "init.h" #include "utilstrencodings.h" #include "validation.h" #include #include // DECLARE GLOBAL VARIABLES FOR GOVERNANCE CLASSES CGovernanceTriggerManager triggerman; // SPLIT UP STRING BY DELIMITER // http://www.boost.org/doc/libs/1_58_0/doc/html/boost/algorithm/split_idp202406848.html std::vector SplitBy(const std::string& strCommand, const std::string& strDelimit) { std::vector vParts; boost::split(vParts, strCommand, boost::is_any_of(strDelimit)); for (int q = 0; q < (int)vParts.size(); q++) { if (strDelimit.find(vParts[q]) != std::string::npos) { vParts.erase(vParts.begin() + q); --q; } } return vParts; } CAmount ParsePaymentAmount(const std::string& strAmount) { DBG(std::cout << "ParsePaymentAmount Start: strAmount = " << strAmount << std::endl;); CAmount nAmount = 0; if (strAmount.empty()) { std::ostringstream ostr; ostr << "ParsePaymentAmount: Amount is empty"; throw std::runtime_error(ostr.str()); } if (strAmount.size() > 20) { // String is much too long, the functions below impose stricter // requirements std::ostringstream ostr; ostr << "ParsePaymentAmount: Amount string too long"; throw std::runtime_error(ostr.str()); } // Make sure the string makes sense as an amount // Note: No spaces allowed // Also note: No scientific notation size_t pos = strAmount.find_first_not_of("0123456789."); if (pos != std::string::npos) { std::ostringstream ostr; ostr << "ParsePaymentAmount: Amount string contains invalid character"; throw std::runtime_error(ostr.str()); } pos = strAmount.find("."); if (pos == 0) { // JSON doesn't allow values to start with a decimal point std::ostringstream ostr; ostr << "ParsePaymentAmount: Invalid amount string, leading decimal point not allowed"; throw std::runtime_error(ostr.str()); } // Make sure there's no more than 1 decimal point if ((pos != std::string::npos) && (strAmount.find(".", pos + 1) != std::string::npos)) { std::ostringstream ostr; ostr << "ParsePaymentAmount: Invalid amount string, too many decimal points"; throw std::runtime_error(ostr.str()); } // Note this code is taken from AmountFromValue in rpcserver.cpp // which is used for parsing the amounts in createrawtransaction. if (!ParseFixedPoint(strAmount, 8, &nAmount)) { nAmount = 0; std::ostringstream ostr; ostr << "ParsePaymentAmount: ParseFixedPoint failed for string: " << strAmount; throw std::runtime_error(ostr.str()); } if (!MoneyRange(nAmount)) { nAmount = 0; std::ostringstream ostr; ostr << "ParsePaymentAmount: Invalid amount string, value outside of valid money range"; throw std::runtime_error(ostr.str()); } DBG(std::cout << "ParsePaymentAmount Returning true nAmount = " << nAmount << std::endl;); return nAmount; } /** * Add Governance Object */ bool CGovernanceTriggerManager::AddNewTrigger(uint256 nHash) { DBG(std::cout << "CGovernanceTriggerManager::AddNewTrigger: Start" << std::endl;); AssertLockHeld(governance.cs); // IF WE ALREADY HAVE THIS HASH, RETURN if (mapTrigger.count(nHash)) { DBG( std::cout << "CGovernanceTriggerManager::AddNewTrigger: Already have hash" << ", nHash = " << nHash.GetHex() << ", count = " << mapTrigger.count(nHash) << ", mapTrigger.size() = " << mapTrigger.size() << std::endl;); return false; } CSuperblock_sptr pSuperblock; try { CSuperblock_sptr pSuperblockTmp(new CSuperblock(nHash)); pSuperblock = pSuperblockTmp; } catch (std::exception& e) { DBG(std::cout << "CGovernanceTriggerManager::AddNewTrigger Error creating superblock" << ", e.what() = " << e.what() << std::endl;); LogPrintf("CGovernanceTriggerManager::AddNewTrigger -- Error creating superblock: %s\n", e.what()); return false; } catch (...) { LogPrintf("CGovernanceTriggerManager::AddNewTrigger: Unknown Error creating superblock\n"); DBG(std::cout << "CGovernanceTriggerManager::AddNewTrigger Error creating superblock catchall" << std::endl;); return false; } pSuperblock->SetStatus(SEEN_OBJECT_IS_VALID); DBG(std::cout << "CGovernanceTriggerManager::AddNewTrigger: Inserting trigger" << std::endl;); mapTrigger.insert(std::make_pair(nHash, pSuperblock)); DBG(std::cout << "CGovernanceTriggerManager::AddNewTrigger: End" << std::endl;); return true; } /** * * Clean And Remove * */ void CGovernanceTriggerManager::CleanAndRemove() { LogPrint("gobject", "CGovernanceTriggerManager::CleanAndRemove -- Start\n"); DBG(std::cout << "CGovernanceTriggerManager::CleanAndRemove: Start" << std::endl;); AssertLockHeld(governance.cs); // Remove triggers that are invalid or expired DBG(std::cout << "CGovernanceTriggerManager::CleanAndRemove: mapTrigger.size() = " << mapTrigger.size() << std::endl;); LogPrint("gobject", "CGovernanceTriggerManager::CleanAndRemove -- mapTrigger.size() = %d\n", mapTrigger.size()); trigger_m_it it = mapTrigger.begin(); while (it != mapTrigger.end()) { bool remove = false; CGovernanceObject* pObj = nullptr; CSuperblock_sptr& pSuperblock = it->second; if (!pSuperblock) { DBG(std::cout << "CGovernanceTriggerManager::CleanAndRemove: NULL superblock marked for removal" << std::endl;); LogPrint("gobject", "CGovernanceTriggerManager::CleanAndRemove -- NULL superblock marked for removal\n"); remove = true; } else { pObj = governance.FindGovernanceObject(it->first); if (!pObj || pObj->GetObjectType() != GOVERNANCE_OBJECT_TRIGGER) { DBG(std::cout << "CGovernanceTriggerManager::CleanAndRemove: Unknown or non-trigger superblock" << std::endl;); LogPrint("gobject", "CGovernanceTriggerManager::CleanAndRemove -- Unknown or non-trigger superblock\n"); pSuperblock->SetStatus(SEEN_OBJECT_ERROR_INVALID); } DBG(std::cout << "CGovernanceTriggerManager::CleanAndRemove: superblock status = " << pSuperblock->GetStatus() << std::endl;); LogPrint("gobject", "CGovernanceTriggerManager::CleanAndRemove -- superblock status = %d\n", pSuperblock->GetStatus()); switch (pSuperblock->GetStatus()) { case SEEN_OBJECT_ERROR_INVALID: case SEEN_OBJECT_UNKNOWN: LogPrint("gobject", "CGovernanceTriggerManager::CleanAndRemove -- Unknown or invalid trigger found\n"); remove = true; break; case SEEN_OBJECT_IS_VALID: case SEEN_OBJECT_EXECUTED: remove = pSuperblock->IsExpired(); break; default: break; } } LogPrint("gobject", "CGovernanceTriggerManager::CleanAndRemove -- %smarked for removal\n", remove ? "" : "NOT "); if (remove) { DBG( std::string strDataAsPlainString = "NULL"; if (pObj) { strDataAsPlainString = pObj->GetDataAsPlainString(); } std::cout << "CGovernanceTriggerManager::CleanAndRemove: Removing object: " << strDataAsPlainString << std::endl;); LogPrint("gobject", "CGovernanceTriggerManager::CleanAndRemove -- Removing trigger object\n"); // mark corresponding object for deletion if (pObj) { pObj->fCachedDelete = true; if (pObj->nDeletionTime == 0) { pObj->nDeletionTime = GetAdjustedTime(); } } // delete the trigger mapTrigger.erase(it++); } else { ++it; } } DBG(std::cout << "CGovernanceTriggerManager::CleanAndRemove: End" << std::endl;); } /** * Get Active Triggers * * - Look through triggers and scan for active ones * - Return the triggers in a list */ std::vector CGovernanceTriggerManager::GetActiveTriggers() { AssertLockHeld(governance.cs); std::vector vecResults; DBG(std::cout << "GetActiveTriggers: mapTrigger.size() = " << mapTrigger.size() << std::endl;); // LOOK AT THESE OBJECTS AND COMPILE A VALID LIST OF TRIGGERS for (const auto& pair : mapTrigger) { CGovernanceObject* pObj = governance.FindGovernanceObject(pair.first); if (pObj) { DBG(std::cout << "GetActiveTriggers: pObj->GetDataAsPlainString() = " << pObj->GetDataAsPlainString() << std::endl;); vecResults.push_back(pair.second); } } DBG(std::cout << "GetActiveTriggers: vecResults.size() = " << vecResults.size() << std::endl;); return vecResults; } /** * Is Superblock Triggered * * - Does this block have a non-executed and actived trigger? */ bool CSuperblockManager::IsSuperblockTriggered(int nBlockHeight) { LogPrint("gobject", "CSuperblockManager::IsSuperblockTriggered -- Start nBlockHeight = %d\n", nBlockHeight); if (!CSuperblock::IsValidBlockHeight(nBlockHeight)) { return false; } LOCK(governance.cs); // GET ALL ACTIVE TRIGGERS std::vector vecTriggers = triggerman.GetActiveTriggers(); LogPrint("gobject", "CSuperblockManager::IsSuperblockTriggered -- vecTriggers.size() = %d\n", vecTriggers.size()); DBG(std::cout << "IsSuperblockTriggered Number triggers = " << vecTriggers.size() << std::endl;); for (const auto& pSuperblock : vecTriggers) { if (!pSuperblock) { LogPrintf("CSuperblockManager::IsSuperblockTriggered -- Non-superblock found, continuing\n"); DBG(std::cout << "IsSuperblockTriggered Not a superblock, continuing " << std::endl;); continue; } CGovernanceObject* pObj = pSuperblock->GetGovernanceObject(); if (!pObj) { LogPrintf("CSuperblockManager::IsSuperblockTriggered -- pObj == nullptr, continuing\n"); DBG(std::cout << "IsSuperblockTriggered pObj is NULL, continuing" << std::endl;); continue; } LogPrint("gobject", "CSuperblockManager::IsSuperblockTriggered -- data = %s\n", pObj->GetDataAsPlainString()); // note : 12.1 - is epoch calculation correct? if (nBlockHeight != pSuperblock->GetBlockHeight()) { LogPrint("gobject", "CSuperblockManager::IsSuperblockTriggered -- block height doesn't match nBlockHeight = %d, blockStart = %d, continuing\n", nBlockHeight, pSuperblock->GetBlockHeight()); DBG(std::cout << "IsSuperblockTriggered Not the target block, continuing" << ", nBlockHeight = " << nBlockHeight << ", superblock->GetBlockHeight() = " << pSuperblock->GetBlockHeight() << std::endl;); continue; } // MAKE SURE THIS TRIGGER IS ACTIVE VIA FUNDING CACHE FLAG pObj->UpdateSentinelVariables(); if (pObj->IsSetCachedFunding()) { LogPrint("gobject", "CSuperblockManager::IsSuperblockTriggered -- fCacheFunding = true, returning true\n"); DBG(std::cout << "IsSuperblockTriggered returning true" << std::endl;); return true; } else { LogPrint("gobject", "CSuperblockManager::IsSuperblockTriggered -- fCacheFunding = false, continuing\n"); DBG(std::cout << "IsSuperblockTriggered No fCachedFunding, continuing" << std::endl;); } } return false; } bool CSuperblockManager::GetBestSuperblock(CSuperblock_sptr& pSuperblockRet, int nBlockHeight) { if (!CSuperblock::IsValidBlockHeight(nBlockHeight)) { return false; } AssertLockHeld(governance.cs); std::vector vecTriggers = triggerman.GetActiveTriggers(); int nYesCount = 0; for (const auto& pSuperblock : vecTriggers) { if (!pSuperblock) { DBG(std::cout << "GetBestSuperblock Not a superblock, continuing" << std::endl;); continue; } CGovernanceObject* pObj = pSuperblock->GetGovernanceObject(); if (!pObj) { DBG(std::cout << "GetBestSuperblock pObj is NULL, continuing" << std::endl;); continue; } if (nBlockHeight != pSuperblock->GetBlockHeight()) { DBG(std::cout << "GetBestSuperblock Not the target block, continuing" << std::endl;); continue; } // DO WE HAVE A NEW WINNER? int nTempYesCount = pObj->GetAbsoluteYesCount(VOTE_SIGNAL_FUNDING); DBG(std::cout << "GetBestSuperblock nTempYesCount = " << nTempYesCount << std::endl;); if (nTempYesCount > nYesCount) { nYesCount = nTempYesCount; pSuperblockRet = pSuperblock; DBG(std::cout << "GetBestSuperblock Valid superblock found, pSuperblock set" << std::endl;); } } return nYesCount > 0; } /** * Get Superblock Payments * * - Returns payments for superblock */ bool CSuperblockManager::GetSuperblockPayments(int nBlockHeight, std::vector& voutSuperblockRet) { DBG(std::cout << "CSuperblockManager::GetSuperblockPayments Start" << std::endl;); LOCK(governance.cs); // GET THE BEST SUPERBLOCK FOR THIS BLOCK HEIGHT CSuperblock_sptr pSuperblock; if (!CSuperblockManager::GetBestSuperblock(pSuperblock, nBlockHeight)) { LogPrint("gobject", "CSuperblockManager::GetSuperblockPayments -- Can't find superblock for height %d\n", nBlockHeight); DBG(std::cout << "CSuperblockManager::GetSuperblockPayments Failed to get superblock for height, returning" << std::endl;); return false; } // make sure it's empty, just in case voutSuperblockRet.clear(); // GET SUPERBLOCK OUTPUTS // Superblock payments will be appended to the end of the coinbase vout vector DBG(std::cout << "CSuperblockManager::GetSuperblockPayments Number payments: " << pSuperblock->CountPayments() << std::endl;); // TODO: How many payments can we add before things blow up? // Consider at least following limits: // - max coinbase tx size // - max "budget" available for (int i = 0; i < pSuperblock->CountPayments(); i++) { CGovernancePayment payment; DBG(std::cout << "CSuperblockManager::GetSuperblockPayments i = " << i << std::endl;); if (pSuperblock->GetPayment(i, payment)) { DBG(std::cout << "CSuperblockManager::GetSuperblockPayments Payment found " << std::endl;); // SET COINBASE OUTPUT TO SUPERBLOCK SETTING CTxOut txout = CTxOut(payment.nAmount, payment.script); voutSuperblockRet.push_back(txout); // PRINT NICE LOG OUTPUT FOR SUPERBLOCK PAYMENT CTxDestination address1; ExtractDestination(payment.script, address1); CBitcoinAddress address2(address1); // TODO: PRINT NICE N.N DASH OUTPUT DBG(std::cout << "CSuperblockManager::GetSuperblockPayments Before LogPrintf call, nAmount = " << payment.nAmount << std::endl;); LogPrintf("NEW Superblock : output %d (addr %s, amount %d)\n", i, address2.ToString(), payment.nAmount); DBG(std::cout << "CSuperblockManager::GetSuperblockPayments After LogPrintf call " << std::endl;); } else { DBG(std::cout << "CSuperblockManager::GetSuperblockPayments Payment not found " << std::endl;); } } DBG(std::cout << "CSuperblockManager::GetSuperblockPayments End" << std::endl;); return true; } bool CSuperblockManager::IsValid(const CTransaction& txNew, int nBlockHeight, CAmount blockReward) { // GET BEST SUPERBLOCK, SHOULD MATCH LOCK(governance.cs); CSuperblock_sptr pSuperblock; if (CSuperblockManager::GetBestSuperblock(pSuperblock, nBlockHeight)) { return pSuperblock->IsValid(txNew, nBlockHeight, blockReward); } return false; } void CSuperblockManager::ExecuteBestSuperblock(int nBlockHeight) { LOCK(governance.cs); CSuperblock_sptr pSuperblock; if (GetBestSuperblock(pSuperblock, nBlockHeight)) { // All checks are done in CSuperblock::IsValid via IsBlockValueValid and IsBlockPayeeValid, // tip wouldn't be updated if anything was wrong. Mark this trigger as executed. pSuperblock->SetExecuted(); } } CSuperblock:: CSuperblock() : nGovObjHash(), nBlockHeight(0), nStatus(SEEN_OBJECT_UNKNOWN), vecPayments() { } CSuperblock:: CSuperblock(uint256& nHash) : nGovObjHash(nHash), nBlockHeight(0), nStatus(SEEN_OBJECT_UNKNOWN), vecPayments() { DBG(std::cout << "CSuperblock Constructor Start" << std::endl;); CGovernanceObject* pGovObj = GetGovernanceObject(); if (!pGovObj) { DBG(std::cout << "CSuperblock Constructor pGovObjIn is NULL, returning" << std::endl;); throw std::runtime_error("CSuperblock: Failed to find Governance Object"); } DBG(std::cout << "CSuperblock Constructor pGovObj : " << pGovObj->GetDataAsPlainString() << ", nObjectType = " << pGovObj->GetObjectType() << std::endl;); if (pGovObj->GetObjectType() != GOVERNANCE_OBJECT_TRIGGER) { DBG(std::cout << "CSuperblock Constructor pGovObj not a trigger, returning" << std::endl;); throw std::runtime_error("CSuperblock: Governance Object not a trigger"); } UniValue obj = pGovObj->GetJSONObject(); // FIRST WE GET THE START HEIGHT, THE BLOCK HEIGHT AT WHICH THE PAYMENT SHALL OCCUR nBlockHeight = obj["event_block_height"].get_int(); // NEXT WE GET THE PAYMENT INFORMATION AND RECONSTRUCT THE PAYMENT VECTOR std::string strAddresses = obj["payment_addresses"].get_str(); std::string strAmounts = obj["payment_amounts"].get_str(); ParsePaymentSchedule(strAddresses, strAmounts); LogPrint("gobject", "CSuperblock -- nBlockHeight = %d, strAddresses = %s, strAmounts = %s, vecPayments.size() = %d\n", nBlockHeight, strAddresses, strAmounts, vecPayments.size()); DBG(std::cout << "CSuperblock Constructor End" << std::endl;); } /** * Is Valid Superblock Height * * - See if a block at this height can be a superblock */ bool CSuperblock::IsValidBlockHeight(int nBlockHeight) { // SUPERBLOCKS CAN HAPPEN ONLY after hardfork and only ONCE PER CYCLE return nBlockHeight >= Params().GetConsensus().nSuperblockStartBlock && ((nBlockHeight % Params().GetConsensus().nSuperblockCycle) == 0); } void CSuperblock::GetNearestSuperblocksHeights(int nBlockHeight, int& nLastSuperblockRet, int& nNextSuperblockRet) { const Consensus::Params& consensusParams = Params().GetConsensus(); int nSuperblockStartBlock = consensusParams.nSuperblockStartBlock; int nSuperblockCycle = consensusParams.nSuperblockCycle; // Get first superblock int nFirstSuperblockOffset = (nSuperblockCycle - nSuperblockStartBlock % nSuperblockCycle) % nSuperblockCycle; int nFirstSuperblock = nSuperblockStartBlock + nFirstSuperblockOffset; if (nBlockHeight < nFirstSuperblock) { nLastSuperblockRet = 0; nNextSuperblockRet = nFirstSuperblock; } else { nLastSuperblockRet = nBlockHeight - nBlockHeight % nSuperblockCycle; nNextSuperblockRet = nLastSuperblockRet + nSuperblockCycle; } } CAmount CSuperblock::GetPaymentsLimit(int nBlockHeight) { const Consensus::Params& consensusParams = Params().GetConsensus(); if (!IsValidBlockHeight(nBlockHeight)) { return 0; } // min subsidy for high diff networks and vice versa int nBits = consensusParams.fPowAllowMinDifficultyBlocks ? UintToArith256(consensusParams.powLimit).GetCompact() : 1; // some part of all blocks issued during the cycle goes to superblock, see GetBlockSubsidy CAmount nSuperblockPartOfSubsidy = GetBlockSubsidy(nBits, nBlockHeight - 1, consensusParams, true); CAmount nPaymentsLimit = nSuperblockPartOfSubsidy * consensusParams.nSuperblockCycle; LogPrint("gobject", "CSuperblock::GetPaymentsLimit -- Valid superblock height %d, payments max %lld\n", nBlockHeight, nPaymentsLimit); return nPaymentsLimit; } void CSuperblock::ParsePaymentSchedule(const std::string& strPaymentAddresses, const std::string& strPaymentAmounts) { // SPLIT UP ADDR/AMOUNT STRINGS AND PUT IN VECTORS std::vector vecParsed1; std::vector vecParsed2; vecParsed1 = SplitBy(strPaymentAddresses, "|"); vecParsed2 = SplitBy(strPaymentAmounts, "|"); // IF THESE DONT MATCH, SOMETHING IS WRONG if (vecParsed1.size() != vecParsed2.size()) { std::ostringstream ostr; ostr << "CSuperblock::ParsePaymentSchedule -- Mismatched payments and amounts"; LogPrintf("%s\n", ostr.str()); throw std::runtime_error(ostr.str()); } if (vecParsed1.size() == 0) { std::ostringstream ostr; ostr << "CSuperblock::ParsePaymentSchedule -- Error no payments"; LogPrintf("%s\n", ostr.str()); throw std::runtime_error(ostr.str()); } // LOOP THROUGH THE ADDRESSES/AMOUNTS AND CREATE PAYMENTS /* ADDRESSES = [ADDR1|2|3|4|5|6] AMOUNTS = [AMOUNT1|2|3|4|5|6] */ DBG(std::cout << "CSuperblock::ParsePaymentSchedule vecParsed1.size() = " << vecParsed1.size() << std::endl;); for (int i = 0; i < (int)vecParsed1.size(); i++) { CBitcoinAddress address(vecParsed1[i]); if (!address.IsValid()) { std::ostringstream ostr; ostr << "CSuperblock::ParsePaymentSchedule -- Invalid Dash Address : " << vecParsed1[i]; LogPrintf("%s\n", ostr.str()); throw std::runtime_error(ostr.str()); } /* TODO - There might be an issue with multisig in the coinbase on mainnet, we will add support for it in a future release. - Post 12.3+ (test multisig coinbase transaction) */ if (address.IsScript()) { std::ostringstream ostr; ostr << "CSuperblock::ParsePaymentSchedule -- Script addresses are not supported yet : " << vecParsed1[i]; LogPrintf("%s\n", ostr.str()); throw std::runtime_error(ostr.str()); } DBG(std::cout << "CSuperblock::ParsePaymentSchedule i = " << i << ", vecParsed2[i] = " << vecParsed2[i] << std::endl;); CAmount nAmount = ParsePaymentAmount(vecParsed2[i]); DBG(std::cout << "CSuperblock::ParsePaymentSchedule: " << "amount string = " << vecParsed2[i] << ", nAmount = " << nAmount << std::endl;); CGovernancePayment payment(address, nAmount); if (payment.IsValid()) { vecPayments.push_back(payment); } else { vecPayments.clear(); std::ostringstream ostr; ostr << "CSuperblock::ParsePaymentSchedule -- Invalid payment found: address = " << address.ToString() << ", amount = " << nAmount; LogPrintf("%s\n", ostr.str()); throw std::runtime_error(ostr.str()); } } } bool CSuperblock::GetPayment(int nPaymentIndex, CGovernancePayment& paymentRet) { if ((nPaymentIndex < 0) || (nPaymentIndex >= (int)vecPayments.size())) { return false; } paymentRet = vecPayments[nPaymentIndex]; return true; } CAmount CSuperblock::GetPaymentsTotalAmount() { CAmount nPaymentsTotalAmount = 0; int nPayments = CountPayments(); for (int i = 0; i < nPayments; i++) { nPaymentsTotalAmount += vecPayments[i].nAmount; } return nPaymentsTotalAmount; } /** * Is Transaction Valid * * - Does this transaction match the superblock? */ bool CSuperblock::IsValid(const CTransaction& txNew, int nBlockHeight, CAmount blockReward) { // TODO : LOCK(cs); // No reason for a lock here now since this method only accesses data // internal to *this and since CSuperblock's are accessed only through // shared pointers there's no way our object can get deleted while this // code is running. if (!IsValidBlockHeight(nBlockHeight)) { LogPrintf("CSuperblock::IsValid -- ERROR: Block invalid, incorrect block height\n"); return false; } std::string strPayeesPossible = ""; // CONFIGURE SUPERBLOCK OUTPUTS int nOutputs = txNew.vout.size(); int nPayments = CountPayments(); int nMinerAndMasternodePayments = nOutputs - nPayments; LogPrint("gobject", "CSuperblock::IsValid nOutputs = %d, nPayments = %d, GetDataAsHexString = %s\n", nOutputs, nPayments, GetGovernanceObject()->GetDataAsHexString()); // We require an exact match (including order) between the expected // superblock payments and the payments actually in the block. if (nMinerAndMasternodePayments < 0) { // This means the block cannot have all the superblock payments // so it is not valid. // TODO: could that be that we just hit coinbase size limit? LogPrintf("CSuperblock::IsValid -- ERROR: Block invalid, too few superblock payments\n"); return false; } // payments should not exceed limit CAmount nPaymentsTotalAmount = GetPaymentsTotalAmount(); CAmount nPaymentsLimit = GetPaymentsLimit(nBlockHeight); if (nPaymentsTotalAmount > nPaymentsLimit) { LogPrintf("CSuperblock::IsValid -- ERROR: Block invalid, payments limit exceeded: payments %lld, limit %lld\n", nPaymentsTotalAmount, nPaymentsLimit); return false; } // miner and masternodes should not get more than they would usually get CAmount nBlockValue = txNew.GetValueOut(); if (nBlockValue > blockReward + nPaymentsTotalAmount) { LogPrintf("CSuperblock::IsValid -- ERROR: Block invalid, block value limit exceeded: block %lld, limit %lld\n", nBlockValue, blockReward + nPaymentsTotalAmount); return false; } int nVoutIndex = 0; for (int i = 0; i < nPayments; i++) { CGovernancePayment payment; if (!GetPayment(i, payment)) { // This shouldn't happen so log a warning LogPrintf("CSuperblock::IsValid -- WARNING: Failed to find payment: %d of %d total payments\n", i, nPayments); continue; } bool fPaymentMatch = false; for (int j = nVoutIndex; j < nOutputs; j++) { // Find superblock payment fPaymentMatch = ((payment.script == txNew.vout[j].scriptPubKey) && (payment.nAmount == txNew.vout[j].nValue)); if (fPaymentMatch) { nVoutIndex = j; break; } } if (!fPaymentMatch) { // Superblock payment not found! CTxDestination address1; ExtractDestination(payment.script, address1); CBitcoinAddress address2(address1); LogPrintf("CSuperblock::IsValid -- ERROR: Block invalid: %d payment %d to %s not found\n", i, payment.nAmount, address2.ToString()); return false; } } return true; } bool CSuperblock::IsExpired() { bool fExpired{false}; int nExpirationBlocks{0}; // Executed triggers are kept for another superblock cycle (approximately 1 month), // other valid triggers are kept for ~1 day only, everything else is pruned after ~1h. switch (nStatus) { case SEEN_OBJECT_EXECUTED: nExpirationBlocks = Params().GetConsensus().nSuperblockCycle; break; case SEEN_OBJECT_IS_VALID: nExpirationBlocks = 576; break; default: nExpirationBlocks = 24; break; } int nExpirationBlock = nBlockHeight + nExpirationBlocks; LogPrint("gobject", "CSuperblock::IsExpired -- nBlockHeight = %d, nExpirationBlock = %d\n", nBlockHeight, nExpirationBlock); if (governance.GetCachedBlockHeight() > nExpirationBlock) { LogPrint("gobject", "CSuperblock::IsExpired -- Outdated trigger found\n"); fExpired = true; CGovernanceObject* pgovobj = GetGovernanceObject(); if (pgovobj) { LogPrint("gobject", "CSuperblock::IsExpired -- Expiring outdated object: %s\n", pgovobj->GetHash().ToString()); pgovobj->fExpired = true; pgovobj->nDeletionTime = GetAdjustedTime(); } } return fExpired; } /** * Get Required Payment String * * - Get a string representing the payments required for a given superblock */ std::string CSuperblockManager::GetRequiredPaymentsString(int nBlockHeight) { LOCK(governance.cs); std::string ret = "Unknown"; // GET BEST SUPERBLOCK CSuperblock_sptr pSuperblock; if (!GetBestSuperblock(pSuperblock, nBlockHeight)) { LogPrint("gobject", "CSuperblockManager::GetRequiredPaymentsString -- Can't find superblock for height %d\n", nBlockHeight); return "error"; } // LOOP THROUGH SUPERBLOCK PAYMENTS, CONFIGURE OUTPUT STRING for (int i = 0; i < pSuperblock->CountPayments(); i++) { CGovernancePayment payment; if (pSuperblock->GetPayment(i, payment)) { // PRINT NICE LOG OUTPUT FOR SUPERBLOCK PAYMENT CTxDestination address1; ExtractDestination(payment.script, address1); CBitcoinAddress address2(address1); // RETURN NICE OUTPUT FOR CONSOLE if (ret != "Unknown") { ret += ", " + address2.ToString(); } else { ret = address2.ToString(); } } } return ret; }