Cheatcatcher
This commit is contained in:
@@ -287,7 +287,7 @@ bool MakeCheatEvidence(CMutableTransaction &mtx, const CTransaction &ccTx, uint3
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CCcontract_info *cp,C;
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std::vector<unsigned char> vch;
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CDataStream s = CDataStream(SER_DISK, CLIENT_VERSION);
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bool isCheater;
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bool isCheater = false;
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if (ValidateMatchingStake(ccTx, voutNum, cheatTx, isCheater) && isCheater)
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{
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@@ -301,6 +301,7 @@ bool MakeCheatEvidence(CMutableTransaction &mtx, const CTransaction &ccTx, uint3
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vOut.nValue = 0;
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mtx.vout.push_back(vOut);
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}
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return isCheater;
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}
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typedef struct ccFulfillmentCheck {
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@@ -13,6 +13,7 @@
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* *
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******************************************************************************/
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#include "komodo_defs.h"
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#include "key_io.h"
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#include <string.h>
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#ifdef _WIN32
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@@ -1650,10 +1651,32 @@ void komodo_args(char *argv0)
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extern const char *Notaries_elected1[][2];
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std::string name,addn; char *dirname,fname[512],arg0str[64],magicstr[9]; uint8_t magic[4],extrabuf[256],*extraptr=0; FILE *fp; uint64_t val; uint16_t port; int32_t i,baseid,len,n,extralen = 0;
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IS_KOMODO_NOTARY = GetBoolArg("-notary", false);
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if ( GetBoolArg("-gen", false) != 0 )
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if ( GetBoolArg("-gen", false) != 0 )\
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{
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KOMODO_MININGTHREADS = GetArg("-genproclimit",-1);
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if (KOMODO_MININGTHREADS == 0)
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mapArgs["-gen"] = "0";
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}
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else KOMODO_MININGTHREADS = 0;
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VERUS_MINTBLOCKS = GetBoolArg("-mint", false);
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// if we are supposed to catch stake cheaters, there must be a valid sapling parameter, store the Sapling address here
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extern boost::optional<libzcash::SaplingPaymentAddress> cheatCatcher;
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if (mapArgs["-cheatcatcher"].size() == 77)
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{
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libzcash::PaymentAddress addr = DecodePaymentAddress(mapArgs["-cheatcatcher"]);
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if (IsValidPaymentAddress(addr))
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{
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cheatCatcher = boost::get<libzcash::SaplingPaymentAddress>(addr);
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}
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else
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{
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fprintf(stderr, "-cheatcatcher parameter is invalid Sapling payment address");
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}
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}
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if ( (KOMODO_EXCHANGEWALLET= GetBoolArg("-exchange", false)) != 0 )
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fprintf(stderr,"KOMODO_EXCHANGEWALLET mode active\n");
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DONATION_PUBKEY = GetArg("-donation", "");
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162
src/main.cpp
162
src/main.cpp
@@ -38,7 +38,9 @@
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#include <algorithm>
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#include <atomic>
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#include <sstream>
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#include <map>
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#include <unordered_map>
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#include <vector>
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#include <boost/algorithm/string/replace.hpp>
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#include <boost/filesystem.hpp>
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@@ -120,6 +122,120 @@ CScript COINBASE_FLAGS;
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const string strMessageMagic = "Komodo Signed Message:\n";
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CCheatList cheatList;
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boost::optional<libzcash::SaplingPaymentAddress> cheatCatcher;
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uint32_t CCheatList::Prune(uint32_t height)
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{
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uint32_t count;
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pair<std::multimap<const uint32_t, CTxHolder>::iterator, std::multimap<const uint32_t, CTxHolder>::iterator> range;
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std::vector<CTxHolder *> toPrune;
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if (NetworkUpgradeActive(height, Params().GetConsensus(), Consensus::UPGRADE_SAPLING))
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{
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LOCK(cs_cheat);
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for (auto it = orderedCheatCandidates.begin(); it != orderedCheatCandidates.end() && it->second.height <= height; it--)
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{
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toPrune.push_back(&it->second);
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}
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count = toPrune.size();
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for (auto ptxHolder : toPrune)
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{
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Remove(*ptxHolder);
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}
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}
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return count; // return how many removed
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}
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bool GetStakeParams(const CTransaction &stakeTx, CStakeParams &stakeParams);
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bool CCheatList::IsCheatInList(const CTransaction &tx, CTransaction *cheatTx)
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{
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// for a tx to be cheat, it needs to spend the same UTXO and be for a different prior block
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// the list should be pruned before this call
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// we return the first valid cheat we find
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CVerusHashWriter hw = CVerusHashWriter(SER_GETHASH, PROTOCOL_VERSION);
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hw << tx.vin[0].prevout.hash;
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hw << tx.vin[0].prevout.n;
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uint256 utxo = hw.GetHash();
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pair<std::multimap<const uint256, CTxHolder *>::iterator, std::multimap<const uint256, CTxHolder *>::iterator> range;
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CStakeParams p, s;
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if (GetStakeParams(tx, p))
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{
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LOCK(cs_cheat);
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range = indexedCheatCandidates.equal_range(utxo);
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for (auto it = range.first; it != range.second; it++)
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{
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// we assume height is valid, as we should have pruned the list before checking. since the tx came out of a valid block,
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// what matters is if the prior hash matches
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CTransaction &cTx = it->second->tx;
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// need both parameters to check
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if (GetStakeParams(cTx, s))
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{
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if (p.prevHash != s.prevHash)
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{
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cheatTx = &cTx;
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return true;
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}
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}
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}
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}
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return false;
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}
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bool CCheatList::Add(CTxHolder &txh)
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{
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CVerusHashWriter hw = CVerusHashWriter(SER_GETHASH, PROTOCOL_VERSION);
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if (NetworkUpgradeActive(txh.height, Params().GetConsensus(), Consensus::UPGRADE_SAPLING))
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{
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LOCK(cs_cheat);
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auto it = orderedCheatCandidates.insert(pair<const uint32_t, CTxHolder>(txh.height, txh));
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indexedCheatCandidates.insert(pair<const uint256, CTxHolder *>(txh.utxo, &it->second));
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}
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}
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void CCheatList::Remove(const CTxHolder &txh)
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{
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// first narrow by source tx, then compare with tx hash
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uint32_t count;
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pair<std::multimap<const uint256, CTxHolder *>::iterator, std::multimap<const uint256, CTxHolder *>::iterator> range;
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std::vector<std::multimap<const uint256, CTxHolder *>::iterator> utxoPrune;
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std::vector<std::multimap<const int32_t, CTxHolder>::iterator> heightPrune;
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{
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LOCK(cs_cheat);
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range = indexedCheatCandidates.equal_range(txh.utxo);
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for (auto it = range.first; it != range.second; it++)
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{
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uint256 hash = txh.tx.GetHash();
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if (hash == it->second->tx.GetHash())
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{
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utxoPrune.push_back(it);
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auto hrange = orderedCheatCandidates.equal_range(it->second->height);
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for (auto hit = hrange.first; hit != hrange.second; hit++)
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{
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if (hit->second.tx.GetHash() == hash)
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{
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heightPrune.push_back(hit);
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}
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}
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}
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}
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for (auto it : utxoPrune)
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{
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indexedCheatCandidates.erase(it);
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}
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for (auto it : heightPrune)
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{
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orderedCheatCandidates.erase(it);
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}
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}
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}
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// Internal stuff
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namespace {
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@@ -152,8 +268,10 @@ namespace {
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* missing the data for the block.
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*/
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set<CBlockIndex*, CBlockIndexWorkComparator> setBlockIndexCandidates;
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/** Number of nodes with fSyncStarted. */
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int nSyncStarted = 0;
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/** All pairs A->B, where A (or one if its ancestors) misses transactions, but B has transactions.
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* Pruned nodes may have entries where B is missing data.
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*/
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@@ -1527,7 +1645,14 @@ bool AcceptToMemoryPool(CTxMemPool& pool, CValidationState &state, const CTransa
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return false;
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}
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}
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// if this is a stake transaction with a stake opreturn, reject it if not staking a block. don't check coinbase or actual stake tx
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CStakeParams p;
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if (NetworkUpgradeActive(nextBlockHeight, Params().GetConsensus(), Consensus::UPGRADE_SAPLING) && ValidateStakeTransaction(tx, p, false))
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{
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return error("AcceptToMemoryPool: attempt to add staking transaction that is not staking");
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}
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auto verifier = libzcash::ProofVerifier::Strict();
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if ( komodo_validate_interest(tx,chainActive.LastTip()->GetHeight()+1,chainActive.LastTip()->GetMedianTimePast() + 777,0) < 0 )
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{
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@@ -3701,6 +3826,14 @@ bool static DisconnectTip(CValidationState &state, bool fBare = false) {
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{
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mempool.remove(tx, removed, true);
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}
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// if this is a staking tx, and we are on Verus Sapling with nothing at stake solution,
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// save staking tx as a possible cheat
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if ((i == (block.vtx.size() - 1)) && (block.IsVerusPOSBlock()))
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{
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CTxHolder txh(block.vtx[i], pindexDelete->GetHeight());
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cheatList.Add(txh);
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}
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}
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if (sproutAnchorBeforeDisconnect != sproutAnchorAfterDisconnect) {
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// The anchor may not change between block disconnects,
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@@ -4522,8 +4655,10 @@ bool CheckBlock(int32_t *futureblockp,int32_t height,CBlockIndex *pindex,const C
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}
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//fprintf(stderr,"done putting block's tx into mempool\n");
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}
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BOOST_FOREACH(const CTransaction& tx, block.vtx)
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for (uint32_t i = 0; i < block.vtx.size(); i++)
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{
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const CTransaction& tx = block.vtx[i];
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if ( komodo_validate_interest(tx,height == 0 ? komodo_block2height((CBlock *)&block) : height,block.nTime,0) < 0 )
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return error("CheckBlock: komodo_validate_interest failed");
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if (!CheckTransaction(tx, state, verifier))
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@@ -4633,15 +4768,24 @@ bool ContextualCheckBlock(const CBlock& block, CValidationState& state, CBlockIn
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{
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const int nHeight = pindexPrev == NULL ? 0 : pindexPrev->GetHeight() + 1;
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const Consensus::Params& consensusParams = Params().GetConsensus();
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bool sapling = NetworkUpgradeActive(nHeight, consensusParams, Consensus::UPGRADE_SAPLING);
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// Check that all transactions are finalized
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BOOST_FOREACH(const CTransaction& tx, block.vtx) {
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for (uint32_t i = 0; i < block.vtx.size(); i++) {
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const CTransaction& tx = block.vtx[i];
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// Check transaction contextually against consensus rules at block height
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if (!ContextualCheckTransaction(tx, state, nHeight, 100)) {
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return false; // Failure reason has been set in validation state object
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}
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// if this is a stake transaction with a stake opreturn, reject it if not staking a block. don't check coinbase or actual stake tx
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CStakeParams p;
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if (sapling && i > 0 && i < (block.vtx.size() - 1) && ValidateStakeTransaction(tx, p, false))
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{
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return state.DoS(10, error("%s: attempt to submit block with staking transaction that is not staking", __func__), REJECT_INVALID, "bad-txns-staking");
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}
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int nLockTimeFlags = 0;
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int64_t nLockTimeCutoff = (nLockTimeFlags & LOCKTIME_MEDIAN_TIME_PAST)
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? pindexPrev->GetMedianTimePast()
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@@ -4958,11 +5102,7 @@ bool ProcessNewBlock(bool from_miner,int32_t height,CValidationState &state, CNo
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}
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// Store to disk
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CBlockIndex *pindex = NULL;
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//if ( 1 )
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//{
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// // without the komodo_ensure call, it is quite possible to get a non-error but null pindex returned from AcceptBlockHeader. In a 2 node network, it will be a long time before that block is reprocessed. Even though restarting makes it rescan, it seems much better to keep the nodes in sync
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// komodo_ensure(pblock, hash);
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//}
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bool ret = AcceptBlock(&futureblock,*pblock, state, &pindex, fRequested, dbp);
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if (pindex && pfrom) {
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mapBlockSource[pindex->GetBlockHash()] = pfrom->GetId();
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@@ -4977,6 +5117,10 @@ bool ProcessNewBlock(bool from_miner,int32_t height,CValidationState &state, CNo
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return error("%s: ActivateBestChain failed", __func__);
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//fprintf(stderr,"finished ProcessBlock %d\n",(int32_t)chainActive.LastTip()->GetHeight());
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// when we succeed here, we prune all cheat candidates in the cheat list to 250 blocks ago, as they should be used or not
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// useful by then
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cheatList.Prune(height - 250);
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return true;
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}
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50
src/main.h
50
src/main.h
@@ -639,6 +639,56 @@ struct CDiskTxPos : public CDiskBlockPos
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}
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};
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class CTxHolder
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{
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public:
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uint256 utxo;
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uint32_t height;
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CTransaction tx;
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CTxHolder(const CTransaction &_tx, uint32_t _height) : height(_height), tx(_tx) {
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CVerusHashWriter hw = CVerusHashWriter(SER_GETHASH, PROTOCOL_VERSION);
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hw << tx.vin[0].prevout.hash;
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hw << tx.vin[0].prevout.n;
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utxo = hw.GetHash();
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}
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};
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class CCheatList
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{
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private:
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std::multimap<const int32_t, CTxHolder> orderedCheatCandidates;
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std::multimap<const uint256, CTxHolder *> indexedCheatCandidates;
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CCriticalSection cs_cheat;
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public:
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CCheatList() {}
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// prune all transactions in the list below height
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uint32_t Prune(uint32_t height);
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// check to see if a transaction that could be a cheat for the passed transaction is in our list
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bool IsCheatInList(const CTransaction &tx, CTransaction *pcheatTx);
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// check to see if there are cheat candidates of the same or greater block height in list
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bool IsHeightOrGreaterInList(uint32_t height)
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{
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auto range = orderedCheatCandidates.equal_range(height);
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return (range.first == orderedCheatCandidates.end());
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}
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// add a potential cheat transaction to the list. we do this for all stake transactions from orphaned stakes
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bool Add(CTxHolder &txh);
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// remove a transaction from the the list
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void Remove(const CTxHolder &txh);
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};
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extern CCheatList cheatList;
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extern boost::optional<libzcash::SaplingPaymentAddress> cheatCatcher;
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CAmount GetMinRelayFee(const CTransaction& tx, unsigned int nBytes, bool fAllowFree);
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123
src/miner.cpp
123
src/miner.cpp
@@ -35,6 +35,9 @@
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#include "wallet/wallet.h"
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#endif
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#include "zcash/Address.hpp"
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#include "transaction_builder.h"
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#include "sodium.h"
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#include <boost/thread.hpp>
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@@ -152,7 +155,7 @@ CBlockTemplate* CreateNewBlock(const CScript& _scriptPubKeyIn, int32_t gpucount,
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uint64_t deposits; int32_t isrealtime,kmdheight; uint32_t blocktime; const CChainParams& chainparams = Params();
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//fprintf(stderr,"create new block\n");
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// Create new block
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// Create new block
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if ( gpucount < 0 )
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gpucount = KOMODO_MAXGPUCOUNT;
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std::unique_ptr<CBlockTemplate> pblocktemplate(new CBlockTemplate());
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@@ -189,12 +192,20 @@ CBlockTemplate* CreateNewBlock(const CScript& _scriptPubKeyIn, int32_t gpucount,
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// Collect memory pool transactions into the block
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CAmount nFees = 0;
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// we will attempt to spend any cheats we see
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CTransaction cheatTx;
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boost::optional<CTransaction> cheatSpend;
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uint256 cbHash;
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CBlockIndex* pindexPrev = 0;
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{
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LOCK2(cs_main, mempool.cs);
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pindexPrev = chainActive.LastTip();
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const int nHeight = pindexPrev->GetHeight() + 1;
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uint32_t consensusBranchId = CurrentEpochBranchId(nHeight, chainparams.GetConsensus());
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const Consensus::Params &consensusParams = chainparams.GetConsensus();
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uint32_t consensusBranchId = CurrentEpochBranchId(nHeight, consensusParams);
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bool sapling = NetworkUpgradeActive(nHeight, consensusParams, Consensus::UPGRADE_SAPLING);
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const int64_t nMedianTimePast = pindexPrev->GetMedianTimePast();
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uint32_t proposedTime = GetAdjustedTime();
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@@ -224,7 +235,78 @@ CBlockTemplate* CreateNewBlock(const CScript& _scriptPubKeyIn, int32_t gpucount,
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// This vector will be sorted into a priority queue:
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vector<TxPriority> vecPriority;
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vecPriority.reserve(mempool.mapTx.size());
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vecPriority.reserve(mempool.mapTx.size() + 1);
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// check if we should add cheat transaction
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CBlockIndex *ppast;
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if (cheatCatcher &&
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sapling && chainActive.Height() > 100 &&
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(ppast = chainActive[nHeight - 100]) &&
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ppast->IsVerusPOSBlock() &&
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cheatList.IsHeightOrGreaterInList(nHeight))
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{
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// get the block and see if there is a cheat candidate for the stake tx
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CBlock b;
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if (!(fHavePruned && !(ppast->nStatus & BLOCK_HAVE_DATA) && ppast->nTx > 0) && ReadBlockFromDisk(b, ppast, 1))
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{
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CTransaction &stakeTx = b.vtx[b.vtx.size() - 1];
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if (cheatList.IsCheatInList(stakeTx, &cheatTx))
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{
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// make and sign the cheat transaction to spend the coinbase to our address
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CMutableTransaction mtx = CreateNewContextualCMutableTransaction(consensusParams, nHeight);
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// send to the same pub key as the destination of this block reward
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if (MakeCheatEvidence(mtx, b.vtx[0], stakeTx.vin[0].prevout.n, cheatTx))
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{
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extern CWallet *pwalletMain;
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LOCK(pwalletMain->cs_wallet);
|
||||
TransactionBuilder tb = TransactionBuilder(consensusParams, nHeight, pwalletMain);
|
||||
CTransaction cb = b.vtx[0];
|
||||
cbHash = cb.GetHash();
|
||||
|
||||
bool hasInput = false;
|
||||
for (uint32_t i = 0; i < cb.vout.size(); i++)
|
||||
{
|
||||
// add the spends with the cheat
|
||||
if (cb.vout[0].nValue > 0)
|
||||
{
|
||||
tb.AddTransparentInput(COutPoint(cbHash,i), cb.vout[0].scriptPubKey, cb.vout[0].nValue);
|
||||
hasInput = true;
|
||||
}
|
||||
}
|
||||
|
||||
if (hasInput)
|
||||
{
|
||||
// this is a send from a t-address to a sapling address, which we don't have an ovk for.
|
||||
// Instead, generate a common one from the HD seed. This ensures the data is
|
||||
// recoverable, at least for us, while keeping it logically separate from the ZIP 32
|
||||
// Sapling key hierarchy, which the user might not be using.
|
||||
uint256 ovk;
|
||||
HDSeed seed;
|
||||
if (pwalletMain->GetHDSeed(seed)) {
|
||||
ovk = ovkForShieldingFromTaddr(seed);
|
||||
|
||||
tb.AddSaplingOutput(ovk, cheatCatcher.value, cb.vout[0].nValue);
|
||||
tb.AddOpRet(mtx.vout[mtx.vout.size - 1].scriptPubKey);
|
||||
|
||||
cheatSpend = tb.Build();
|
||||
if (cheatSpend)
|
||||
{
|
||||
cheatTx = boost::get<CTransaction>(cheatSpend);
|
||||
unsigned int nTxSize = ::GetSerializeSize(cheatTx, SER_NETWORK, PROTOCOL_VERSION);
|
||||
double dPriority = cheatTx.ComputePriority(dPriority, nTxSize);
|
||||
CFeeRate feeRate(DEFAULT_TRANSACTION_MAXFEE, nTxSize);
|
||||
vecPriority.push_back(TxPriority(dPriority, feeRate, &cheatTx));
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// now add transations from the mem pool
|
||||
for (CTxMemPool::indexed_transaction_set::iterator mi = mempool.mapTx.begin();
|
||||
mi != mempool.mapTx.end(); ++mi)
|
||||
{
|
||||
@@ -244,6 +326,21 @@ CBlockTemplate* CreateNewBlock(const CScript& _scriptPubKeyIn, int32_t gpucount,
|
||||
//fprintf(stderr,"CreateNewBlock: komodo_validate_interest failure nHeight.%d nTime.%u vs locktime.%u\n",nHeight,(uint32_t)pblock->nTime,(uint32_t)tx.nLockTime);
|
||||
continue;
|
||||
}
|
||||
if (cheatSpend)
|
||||
{
|
||||
bool skip = false;
|
||||
for (const CTxIn &txin : tx.vin)
|
||||
{
|
||||
if (txin.prevout.hash == cbHash)
|
||||
{
|
||||
skip = true;
|
||||
break;
|
||||
}
|
||||
}
|
||||
if (skip)
|
||||
continue;
|
||||
}
|
||||
|
||||
COrphan* porphan = NULL;
|
||||
double dPriority = 0;
|
||||
CAmount nTotalIn = 0;
|
||||
@@ -316,7 +413,7 @@ CBlockTemplate* CreateNewBlock(const CScript& _scriptPubKeyIn, int32_t gpucount,
|
||||
else
|
||||
vecPriority.push_back(TxPriority(dPriority, feeRate, &(mi->GetTx())));
|
||||
}
|
||||
|
||||
|
||||
// Collect transactions into block
|
||||
uint64_t nBlockSize = 1000;
|
||||
uint64_t nBlockTx = 0;
|
||||
@@ -440,7 +537,6 @@ CBlockTemplate* CreateNewBlock(const CScript& _scriptPubKeyIn, int32_t gpucount,
|
||||
pblock->nBits = GetNextWorkRequired(pindexPrev, pblock, Params().GetConsensus());
|
||||
|
||||
int32_t stakeHeight = chainActive.Height() + 1;
|
||||
bool extendedStake = (Params().GetConsensus().vUpgrades[Consensus::UPGRADE_SAPLING].nActivationHeight <= stakeHeight);
|
||||
|
||||
//LogPrintf("CreateNewBlock(): total size %u blocktime.%u nBits.%08x\n", nBlockSize,blocktime,pblock->nBits);
|
||||
if ( ASSETCHAINS_SYMBOL[0] != 0 && isStake )
|
||||
@@ -473,7 +569,7 @@ CBlockTemplate* CreateNewBlock(const CScript& _scriptPubKeyIn, int32_t gpucount,
|
||||
|
||||
// after Sapling, stake transactions have a fee, but it is recovered in the reward
|
||||
// this ensures that a rebroadcast goes through quickly to begin staking again
|
||||
txfees = extendedStake ? DEFAULT_STAKE_TXFEE : 0;
|
||||
txfees = sapling ? DEFAULT_STAKE_TXFEE : 0;
|
||||
|
||||
pblock->vtx.push_back(txStaked);
|
||||
pblocktemplate->vTxFees.push_back(txfees);
|
||||
@@ -485,17 +581,17 @@ CBlockTemplate* CreateNewBlock(const CScript& _scriptPubKeyIn, int32_t gpucount,
|
||||
}
|
||||
|
||||
// Create coinbase tx
|
||||
CMutableTransaction txNew = CreateNewContextualCMutableTransaction(chainparams.GetConsensus(), nHeight);
|
||||
CMutableTransaction txNew = CreateNewContextualCMutableTransaction(consensusParams, nHeight);
|
||||
txNew.vin.resize(1);
|
||||
txNew.vin[0].prevout.SetNull();
|
||||
txNew.vin[0].scriptSig = CScript() << nHeight << OP_0;
|
||||
|
||||
txNew.vout.resize(1);
|
||||
txNew.vout[0].scriptPubKey = scriptPubKeyIn;
|
||||
txNew.vout[0].nValue = GetBlockSubsidy(nHeight,chainparams.GetConsensus()) + nFees;
|
||||
txNew.vout[0].nValue = GetBlockSubsidy(nHeight,consensusParams) + nFees;
|
||||
|
||||
// once we get to Sapling, enable CC StakeGuard for stake transactions
|
||||
if (isStake && extendedStake)
|
||||
if (isStake && sapling)
|
||||
{
|
||||
// if there is a specific destination, use it
|
||||
CTransaction stakeTx = pblock->vtx[pblock->vtx.size() - 1];
|
||||
@@ -769,7 +865,6 @@ static bool ProcessBlockFound(CBlock* pblock)
|
||||
|
||||
// Found a solution
|
||||
{
|
||||
//LOCK(cs_main);
|
||||
if (pblock->hashPrevBlock != chainActive.LastTip()->GetBlockHash())
|
||||
{
|
||||
uint256 hash; int32_t i;
|
||||
@@ -986,9 +1081,9 @@ void static VerusStaker(CWallet *pwallet)
|
||||
|
||||
uint256 hashTarget = ArithToUint256(arith_uint256().SetCompact(pblock->nBits));
|
||||
|
||||
pblock->nBits = GetNextWorkRequired(pindexPrev, pblock, chainparams.GetConsensus());
|
||||
pblock->nBits = GetNextWorkRequired(pindexPrev, pblock, consensusParams);
|
||||
|
||||
UpdateTime(pblock, chainparams.GetConsensus(), pindexPrev);
|
||||
UpdateTime(pblock, consensusParams, pindexPrev);
|
||||
|
||||
ProcessBlockFound(pblock, *pwallet, reservekey);
|
||||
|
||||
@@ -1745,8 +1840,8 @@ void static BitcoinMiner()
|
||||
/*if ( NOTARY_PUBKEY33[0] == 0 )
|
||||
{
|
||||
int32_t percPoS;
|
||||
UpdateTime(pblock, chainparams.GetConsensus(), pindexPrev);
|
||||
if (chainparams.GetConsensus().fPowAllowMinDifficultyBlocks)
|
||||
UpdateTime(pblock, consensusParams, pindexPrev);
|
||||
if (consensusParams.fPowAllowMinDifficultyBlocks)
|
||||
{
|
||||
// Changing pblock->nTime can change work required on testnet:
|
||||
HASHTarget.SetCompact(pblock->nBits);
|
||||
|
||||
@@ -79,6 +79,23 @@ bool TransactionBuilder::AddTransparentOutput(CTxDestination& to, CAmount value)
|
||||
return true;
|
||||
}
|
||||
|
||||
bool TransactionBuilder::AddOpRetLast()
|
||||
{
|
||||
CScript s;
|
||||
if (opReturn)
|
||||
{
|
||||
s = opReturn.value;
|
||||
}
|
||||
CTxOut out(0, s);
|
||||
mtx.vout.push_back(out);
|
||||
return true;
|
||||
}
|
||||
|
||||
void TransactionBuilder::AddOpRet(CScript &s)
|
||||
{
|
||||
opReturn.emplace(CScript(s));
|
||||
}
|
||||
|
||||
void TransactionBuilder::SetFee(CAmount fee)
|
||||
{
|
||||
this->fee = fee;
|
||||
@@ -230,6 +247,9 @@ boost::optional<CTransaction> TransactionBuilder::Build()
|
||||
mtx.vShieldedOutput.push_back(odesc);
|
||||
}
|
||||
|
||||
// add op_return if there is one to add
|
||||
AddOpRetLast();
|
||||
|
||||
//
|
||||
// Signatures
|
||||
//
|
||||
|
||||
@@ -67,6 +67,9 @@ private:
|
||||
|
||||
boost::optional<std::pair<uint256, libzcash::SaplingPaymentAddress>> zChangeAddr;
|
||||
boost::optional<CTxDestination> tChangeAddr;
|
||||
boost::optional<CScript> opReturn;
|
||||
|
||||
bool AddOpRetLast(CScript &s);
|
||||
|
||||
public:
|
||||
TransactionBuilder() {}
|
||||
@@ -93,6 +96,10 @@ public:
|
||||
|
||||
bool AddTransparentOutput(CTxDestination& to, CAmount value);
|
||||
|
||||
void AddOpRet(CScript &s);
|
||||
|
||||
bool AddOpRetLast();
|
||||
|
||||
void SendChangeTo(libzcash::SaplingPaymentAddress changeAddr, uint256 ovk);
|
||||
|
||||
bool SendChangeTo(CTxDestination& changeAddr);
|
||||
|
||||
@@ -63,6 +63,7 @@ public:
|
||||
virtual UniValue getStatus() const;
|
||||
|
||||
bool testmode = false; // Set to true to disable sending txs and generating proofs
|
||||
bool cheatSpend = false; // set when this is shielding a cheating coinbase
|
||||
|
||||
bool paymentDisclosureMode = false; // Set to true to save esk for encrypted notes in payment disclosure database.
|
||||
|
||||
|
||||
@@ -967,7 +967,7 @@ DBErrors CWalletDB::LoadWallet(CWallet* pwallet)
|
||||
|
||||
if (wss.fAnyUnordered)
|
||||
result = ReorderTransactions(pwallet);
|
||||
|
||||
|
||||
return result;
|
||||
}
|
||||
|
||||
|
||||
Reference in New Issue
Block a user