/**
* Restore the UTXO in a Coin at a given COutPoint
* @param undo The Coin to be restored.
* @param view The coins view to which to apply the changes.
* @param out The out point that corresponds to the tx input.
* @return A DisconnectResult as an int
*/
int CViewManager::ApplyTxInUndo(Coin &&undo, CCoinsViewCache &view, const COutPoint &out)
{
bool fClean = true;
if (view.HaveCoin(out))
fClean = false; // overwriting transaction output
if (undo.nHeight == 0)
{
// Missing undo metadata (height and coinbase). Older versions included this
// information only in undo records for the last spend of a transactions'
// outputs. This implies that it must be present for some other output of the same tx.
const Coin &alternate = AccessByTxid(view, out.hash);
if (!alternate.IsSpent())
{
undo.nHeight = alternate.nHeight;
undo.fCoinBase = alternate.fCoinBase;
} else
{
return DISCONNECT_FAILED; // adding output for transaction without known metadata
}
}
// The potential_overwrite parameter to AddCoin is only allowed to be false if we know for
// sure that the coin did not already exist in the cache. As we have queried for that above
// using HaveCoin, we don't need to guess. When fClean is false, a coin already existed and
// it is an overwrite.
view.AddCoin(out, std::move(undo), !fClean);
return fClean ? DISCONNECT_OK : DISCONNECT_UNCLEAN;
}
//
// Helper: create two dummy transactions, each with
// two outputs. The first has 11 and 50 CENT outputs
// paid to a TX_PUBKEY, the second 21 and 22 CENT outputs
// paid to a TX_PUBKEYHASH.
//
static std::vector<CMutableTransaction>
SetupDummyInputs(CBasicKeyStore& keystoreRet, CCoinsViewCache& coinsRet)
{
std::vector<CMutableTransaction> dummyTransactions;
dummyTransactions.resize(2);
// Add some keys to the keystore:
CKey key[4];
for (int i = 0; i < 4; i++)
{
key[i].MakeNewKey(i % 2);
keystoreRet.AddKey(key[i]);
}
// Create some dummy input transactions
dummyTransactions[0].vout.resize(2);
dummyTransactions[0].vout[0].nValue = 11*CENT;
dummyTransactions[0].vout[0].scriptPubKey << ToByteVector(key[0].GetPubKey()) << OP_CHECKSIG;
dummyTransactions[0].vout[1].nValue = 50*CENT;
dummyTransactions[0].vout[1].scriptPubKey << ToByteVector(key[1].GetPubKey()) << OP_CHECKSIG;
coinsRet.ModifyCoins(dummyTransactions[0].GetHash())->FromTx(dummyTransactions[0], 0);
dummyTransactions[1].vout.resize(2);
dummyTransactions[1].vout[0].nValue = 21*CENT;
dummyTransactions[1].vout[0].scriptPubKey = GetScriptForDestination(key[2].GetPubKey().GetID());
dummyTransactions[1].vout[1].nValue = 22*CENT;
dummyTransactions[1].vout[1].scriptPubKey = GetScriptForDestination(key[3].GetPubKey().GetID());
coinsRet.ModifyCoins(dummyTransactions[1].GetHash())->FromTx(dummyTransactions[1], 0);
return dummyTransactions;
}
void
CNameTxUndo::apply (CCoinsViewCache& view) const
{
if (isNew)
view.DeleteName (name);
else
view.SetName (name, oldData, true);
}
void AddCoins(CCoinsViewCache& cache, const CTransaction &tx, int nHeight, bool check) {
bool fCoinbase = tx.IsCoinBase();
const uint256& txid = tx.GetHash();
for (size_t i = 0; i < tx.vout.size(); ++i) {
bool overwrite = check ? cache.HaveCoin(COutPoint(txid, i)) : fCoinbase;
// Always set the possible_overwrite flag to AddCoin for coinbase txn, in order to correctly
// deal with the pre-BIP30 occurrences of duplicate coinbase transactions.
cache.AddCoin(COutPoint(txid, i), Coin(tx.vout[i], nHeight, fCoinbase), overwrite);
}
}
void
NameIterationTester::remove (const std::string& n)
{
const valtype& name = ValtypeFromString (n);
assert (data.count (name) == 1);
data.erase (name);
hybrid.DeleteName (name);
cache.DeleteName (name);
verify ();
}
void
NameIterationTester::update (const std::string& n)
{
const valtype& name = ValtypeFromString (n);
const CNameData testData = getNextData ();
assert (data.count (name) == 1);
data[name] = testData;
hybrid.SetName (name, testData, false);
cache.SetName (name, testData, false);
verify ();
}
bool AreInputsStandard(const CTransaction& tx, const CCoinsViewCache& mapInputs)
{
if (tx.IsCoinBase())
return true; // Coinbases don't use vin normally
for (unsigned int i = 0; i < tx.vin.size(); i++)
{
const CTxOut& prev = mapInputs.AccessCoin(tx.vin[i].prevout).out;
std::vector<std::vector<unsigned char> > vSolutions;
txnouttype whichType;
// get the scriptPubKey corresponding to this input:
const CScript& prevScript = prev.scriptPubKey;
if (!Solver(prevScript, whichType, vSolutions))
return false;
if (whichType == TX_SCRIPTHASH)
{
std::vector<std::vector<unsigned char> > stack;
// convert the scriptSig into a stack, so we can inspect the redeemScript
if (!EvalScript(stack, tx.vin[i].scriptSig, SCRIPT_VERIFY_NONE, BaseSignatureChecker(), SIGVERSION_BASE))
return false;
if (stack.empty())
return false;
CScript subscript(stack.back().begin(), stack.back().end());
if (subscript.GetSigOpCount(true) > MAX_P2SH_SIGOPS) {
return false;
}
}
}
return true;
}
void
NameIterationTester::verify ()
{
verify (hybrid);
hybrid.Flush ();
verify (db);
verify (cache);
}
bool AreInputsStandard(const CTransaction& tx, const CCoinsViewCache& mapInputs)
{
if (tx.IsCoinBase())
return true; // Coinbases don't use vin normally
for (unsigned int i = 0; i < tx.vin.size(); i++)
{
const CTxOut& prev = mapInputs.GetOutputFor(tx.vin[i]);
std::vector<std::vector<unsigned char> > vSolutions;
txnouttype whichType;
// get the scriptPubKey corresponding to this input:
const CScript& prevScript = prev.scriptPubKey;
if (!Solver(prevScript, whichType, vSolutions))
return false;
int nArgsExpected = ScriptSigArgsExpected(whichType, vSolutions);
if (nArgsExpected < 0)
return false;
// Transactions with extra stuff in their scriptSigs are
// non-standard. Note that this EvalScript() call will
// be quick, because if there are any operations
// beside "push data" in the scriptSig
// IsStandardTx() will have already returned false
// and this method isn't called.
std::vector<std::vector<unsigned char> > stack;
if (!EvalScript(stack, tx.vin[i].scriptSig, SCRIPT_VERIFY_NONE, BaseSignatureChecker()))
return false;
if (whichType == TX_SCRIPTHASH)
{
if (stack.empty())
return false;
CScript subscript(stack.back().begin(), stack.back().end());
std::vector<std::vector<unsigned char> > vSolutions2;
txnouttype whichType2;
if (Solver(subscript, whichType2, vSolutions2))
{
int tmpExpected = ScriptSigArgsExpected(whichType2, vSolutions2);
if (tmpExpected < 0)
return false;
nArgsExpected += tmpExpected;
}
else
{
// Any other Script with less than 15 sigops OK:
unsigned int sigops = subscript.GetSigOpCount(true);
// ... extra data left on the stack after execution is OK, too:
return (sigops <= MAX_P2SH_SIGOPS);
}
}
if (stack.size() != (unsigned int)nArgsExpected)
return false;
}
return true;
}
void AddCoins(CCoinsViewCache& cache, const CTransaction &tx, int nHeight) {
bool fCoinbase = tx.IsCoinBase();
const uint256& txid = tx.GetHash();
for (size_t i = 0; i < tx.vout.size(); ++i) {
// Pass fCoinbase as the possible_overwrite flag to AddCoin, in order to correctly
// deal with the pre-BIP30 occurrances of duplicate coinbase transactions.
cache.AddCoin(COutPoint(txid, i), Coin(tx.vout[i], nHeight, fCoinbase), fCoinbase);
}
}
bool Consensus::CheckTxInputs(const CTransaction& tx, CValidationState& state, const CCoinsViewCache& inputs, int nSpendHeight, CAmount& txfee)
{
// are the actual inputs available?
if (!inputs.HaveInputs(tx)) {
return state.DoS(100, false, REJECT_INVALID, "bad-txns-inputs-missingorspent", false,
strprintf("%s: inputs missing/spent", __func__));
}
CAmount nValueIn = 0;
for (unsigned int i = 0; i < tx.vin.size(); ++i) {
const COutPoint &prevout = tx.vin[i].prevout;
const Coin& coin = inputs.AccessCoin(prevout);
assert(!coin.IsSpent());
// If prev is coinbase, check that it's matured
if (coin.IsCoinBase() && nSpendHeight - coin.nHeight < COINBASE_MATURITY) {
return state.Invalid(false,
REJECT_INVALID, "bad-txns-premature-spend-of-coinbase",
strprintf("tried to spend coinbase at depth %d", nSpendHeight - coin.nHeight));
}
// Check for negative or overflow input values
nValueIn += coin.out.nValue;
if (!MoneyRange(coin.out.nValue) || !MoneyRange(nValueIn)) {
return state.DoS(100, false, REJECT_INVALID, "bad-txns-inputvalues-outofrange");
}
}
const CAmount value_out = tx.GetValueOut();
if (nValueIn < value_out) {
return state.DoS(100, false, REJECT_INVALID, "bad-txns-in-belowout", false,
strprintf("value in (%s) < value out (%s)", FormatMoney(nValueIn), FormatMoney(value_out)));
}
// Tally transaction fees
const CAmount txfee_aux = nValueIn - value_out;
if (!MoneyRange(txfee_aux)) {
return state.DoS(100, false, REJECT_INVALID, "bad-txns-fee-outofrange");
}
txfee = txfee_aux;
return true;
}
/**
* Construct a dummy tx that provides the given script as input
* for further tests in the given CCoinsView. The txid is returned
* to refer to it. The "index" is always 0. The output's
* value is always set to 1000 COIN, since it doesn't matter for
* the tests we are interested in.
* @param scr The script that should be provided as output.
* @param nHeight The height of the coin.
* @param view Add it to this view.
* @return The txid.
*/
static uint256
addTestCoin (const CScript& scr, unsigned nHeight, CCoinsViewCache& view)
{
CMutableTransaction mtx;
mtx.vout.push_back (CTxOut (1000 * COIN, scr));
const CTransaction tx(mtx);
CCoinsModifier entry = view.ModifyCoins (tx.GetHash ());
*entry = CCoins (tx, nHeight);
return tx.GetHash ();
}
bool IsWitnessStandard(const CTransaction& tx, const CCoinsViewCache& mapInputs)
{
if (tx.IsCoinBase())
return true; // Coinbases are skipped
for (unsigned int i = 0; i < tx.vin.size(); i++)
{
// We don't care if witness for this input is empty, since it must not be bloated.
// If the script is invalid without witness, it would be caught sooner or later during validation.
if (tx.vin[i].scriptWitness.IsNull())
continue;
const CTxOut &prev = mapInputs.AccessCoin(tx.vin[i].prevout).out;
// get the scriptPubKey corresponding to this input:
CScript prevScript = prev.scriptPubKey;
if (prevScript.IsPayToScriptHash()) {
std::vector <std::vector<unsigned char> > stack;
// If the scriptPubKey is P2SH, we try to extract the redeemScript casually by converting the scriptSig
// into a stack. We do not check IsPushOnly nor compare the hash as these will be done later anyway.
// If the check fails at this stage, we know that this txid must be a bad one.
if (!EvalScript(stack, tx.vin[i].scriptSig, SCRIPT_VERIFY_NONE, BaseSignatureChecker(), SIGVERSION_BASE))
return false;
if (stack.empty())
return false;
prevScript = CScript(stack.back().begin(), stack.back().end());
}
int witnessversion = 0;
std::vector<unsigned char> witnessprogram;
// Non-witness program must not be associated with any witness
if (!prevScript.IsWitnessProgram(witnessversion, witnessprogram))
return false;
// Check P2WSH standard limits
if (witnessversion == 0 && witnessprogram.size() == 32) {
if (tx.vin[i].scriptWitness.stack.back().size() > MAX_STANDARD_P2WSH_SCRIPT_SIZE)
return false;
size_t sizeWitnessStack = tx.vin[i].scriptWitness.stack.size() - 1;
if (sizeWitnessStack > MAX_STANDARD_P2WSH_STACK_ITEMS)
return false;
for (unsigned int j = 0; j < sizeWitnessStack; j++) {
if (tx.vin[i].scriptWitness.stack[j].size() > MAX_STANDARD_P2WSH_STACK_ITEM_SIZE)
return false;
}
}
}
return true;
}
/** Apply the effects of a block on the utxo cache, ignoring that it may already have been applied. */
bool CViewManager::ConnectBlock(const CBlock &block, const CBlockIndex *pIndex, CCoinsViewCache &viewCache)
{
for (const CTransactionRef &tx : block.vtx)
{
if (!tx->IsCoinBase())
{
for (const CTxIn &txin : tx->vin)
{
viewCache.SpendCoin(txin.prevout);
}
}
// Pass check = true as every addition may be an overwrite.
AddCoins(viewCache, *tx, pIndex->nHeight, true);
}
return true;
}
unsigned int GetP2SHSigOpCount(const CTransaction& tx, const CCoinsViewCache& inputs)
{
if (tx.IsCoinBase())
return 0;
unsigned int nSigOps = 0;
for (unsigned int i = 0; i < tx.vin.size(); i++)
{
const Coin& coin = inputs.AccessCoin(tx.vin[i].prevout);
assert(!coin.IsSpent());
const CTxOut &prevout = coin.out;
if (prevout.scriptPubKey.IsPayToScriptHash())
nSigOps += prevout.scriptPubKey.GetSigOpCount(tx.vin[i].scriptSig);
}
return nSigOps;
}
void CViewManager::UpdateCoins(const CTransaction &tx, CCoinsViewCache &inputs, CTxUndo &txundo, int nHeight)
{
// mark inputs spent
if (!tx.IsCoinBase())
{
txundo.vprevout.reserve(tx.vin.size());
for (const CTxIn &txin : tx.vin)
{
txundo.vprevout.emplace_back();
bool is_spent = inputs.SpendCoin(txin.prevout, &txundo.vprevout.back());
assert(is_spent);
}
}
// add outputs
AddCoins(inputs, tx, nHeight);
}
int64_t GetTransactionSigOpCost(const CTransaction& tx, const CCoinsViewCache& inputs, int flags)
{
int64_t nSigOps = GetLegacySigOpCount(tx) * WITNESS_SCALE_FACTOR;
if (tx.IsCoinBase())
return nSigOps;
if (flags & SCRIPT_VERIFY_P2SH) {
nSigOps += GetP2SHSigOpCount(tx, inputs) * WITNESS_SCALE_FACTOR;
}
for (unsigned int i = 0; i < tx.vin.size(); i++)
{
const Coin& coin = inputs.AccessCoin(tx.vin[i].prevout);
assert(!coin.IsSpent());
const CTxOut &prevout = coin.out;
nSigOps += CountWitnessSigOps(tx.vin[i].scriptSig, prevout.scriptPubKey, &tx.vin[i].scriptWitness, flags);
}
return nSigOps;
}
/**
* Builds a creationTx from scriptPubKey and a spendingTx from scriptSig
* and witness such that spendingTx spends output zero of creationTx.
* Also inserts creationTx's output into the coins view.
*/
void BuildTxs(CMutableTransaction& spendingTx, CCoinsViewCache& coins, CMutableTransaction& creationTx, const CScript& scriptPubKey, const CScript& scriptSig, const CTxInWitness& witness)
{
creationTx.nVersion = 1;
creationTx.vin.resize(1);
creationTx.vin[0].prevout.SetNull();
creationTx.vin[0].scriptSig = CScript();
creationTx.wit.vtxinwit.resize(1);
creationTx.vout.resize(1);
creationTx.vout[0].nValue = 1;
creationTx.vout[0].scriptPubKey = scriptPubKey;
spendingTx.nVersion = 1;
spendingTx.vin.resize(1);
spendingTx.vin[0].prevout.hash = creationTx.GetHash();
spendingTx.vin[0].prevout.n = 0;
spendingTx.vin[0].scriptSig = scriptSig;
spendingTx.wit.vtxinwit.resize(1);
spendingTx.wit.vtxinwit[0] = witness;
spendingTx.vout.resize(1);
spendingTx.vout[0].nValue = 1;
spendingTx.vout[0].scriptPubKey = CScript();
coins.ModifyCoins(creationTx.GetHash())->FromTx(creationTx, 0);
}
void
ApplyGameTransactions (const std::vector<CTransaction>& vGameTx,
const StepResult& stepResult, unsigned nHeight,
CValidationState& state, CCoinsViewCache& view,
CBlockUndo& undo)
{
for (unsigned i = 0; i < vGameTx.size (); ++i)
{
undo.vtxundo.push_back (CTxUndo ());
UpdateCoins (vGameTx[i], state, view, undo.vtxundo.back (), nHeight);
}
/* Update name db for killed players. */
const PlayerSet& victims = stepResult.GetKilledPlayers ();
if (!victims.empty ())
{
assert (!vGameTx.empty ());
const CTransaction& txKills = vGameTx.front ();
assert (txKills.vout.empty ());
assert (txKills.vin.size () == victims.size ());
BOOST_FOREACH(const PlayerID& name, victims)
{
const valtype& vchName = ValtypeFromString (name);
LogPrint ("names", "Killing player at height %d: %s\n",
nHeight, name.c_str ());
CNameTxUndo opUndo;
opUndo.fromOldState (vchName, view);
undo.vnameundo.push_back (opUndo);
CNameData data;
data.setDead (nHeight, txKills.GetHash ());
view.SetName (vchName, data, false);
}
}
bool MultisigDialog::createMultisigTransaction(vector<CTxIn> vUserIn, vector<CTxOut> vUserOut, string& feeStringRet, string& errorRet)
{
try{
//attempt to access the given inputs
CCoinsViewCache view = getInputsCoinsViewCache(vUserIn);
//retrieve total input val and change dest
CAmount totalIn = 0;
vector<CAmount> vInputVals;
CScript changePubKey;
bool fFirst = true;
for(CTxIn in : vUserIn){
const CCoins* coins = view.AccessCoins(in.prevout.hash);
if(!coins->IsAvailable(in.prevout.n) || coins == NULL){
continue;
}
CTxOut prevout = coins->vout[in.prevout.n];
CScript privKey = prevout.scriptPubKey;
vInputVals.push_back(prevout.nValue);
totalIn += prevout.nValue;
if(!fFirst){
if(privKey != changePubKey){
throw runtime_error("Address mismatch! Inputs must originate from the same multisignature address.");
}
}else{
fFirst = false;
changePubKey = privKey;
}
}
CAmount totalOut = 0;
//retrieve total output val
for(CTxOut out : vUserOut){
totalOut += out.nValue;
}
if(totalIn < totalOut){
throw runtime_error("Not enough PIV provided as input to complete transaction (including fee).");
}
//calculate change amount
CAmount changeAmount = totalIn - totalOut;
CTxOut change(changeAmount, changePubKey);
//generate random position for change
unsigned int changeIndex = rand() % (vUserOut.size() + 1);
//insert change into random position
if(changeIndex < vUserOut.size()){
vUserOut.insert(vUserOut.begin() + changeIndex, change);
}else{
vUserOut.emplace_back(change);
}
//populate tx
CMutableTransaction tx;
tx.vin = vUserIn;
tx.vout = vUserOut;
const CCoins* coins = view.AccessCoins(tx.vin[0].prevout.hash);
if(coins == NULL || !coins->IsAvailable(tx.vin[0].prevout.n)){
throw runtime_error("Coins unavailable (unconfirmed/spent)");
}
CScript prevPubKey = coins->vout[tx.vin[0].prevout.n].scriptPubKey;
//get payment destination
CTxDestination address;
if(!ExtractDestination(prevPubKey, address)){
throw runtime_error("Could not find address for destination.");
}
CScriptID hash = boost::get<CScriptID>(address);
CScript redeemScript;
if (!pwalletMain->GetCScript(hash, redeemScript)){
throw runtime_error("could not redeem");
}
txnouttype type;
vector<CTxDestination> addresses;
int nReq;
if(!ExtractDestinations(redeemScript, type, addresses, nReq)){
throw runtime_error("Could not extract destinations from redeem script.");
}
for(CTxIn& in : tx.vin){
in.scriptSig.clear();
//scale estimate to account for multisig scriptSig
for(unsigned int i = 0; i < 50*(nReq+addresses.size()); i++){
in.scriptSig << INT64_MAX;
}
}
//calculate fee
unsigned int nBytes = tx.GetSerializeSize(SER_NETWORK, PROTOCOL_VERSION);
CAmount fee = ::minRelayTxFee.GetFee(nBytes);
if(tx.vout.at(changeIndex).nValue > fee){
tx.vout.at(changeIndex).nValue -= fee;
feeStringRet = strprintf("%d",((double)fee)/COIN).c_str();
}else{
throw runtime_error("Not enough PIV provided to cover fee");
}
//clear junk from script sigs
for(CTxIn& in : tx.vin){
in.scriptSig.clear();
}
multisigTx = tx;
}catch(const runtime_error& e){
errorRet = e.what();
return false;
}
return true;
}
/** Undo the effects of this block (with given index) on the UTXO set represented by coins.
* When FAILED is returned, view is left in an indeterminate state. */
DisconnectResult
CViewManager::DisconnectBlock(const CBlock &block, const CBlockIndex *pindex, CCoinsViewCache &view, bool *pfClean)
{
if (pfClean)
*pfClean = false;
bool fClean = true;
CBlockUndo blockUndo;
CDiskBlockPos pos = pindex->GetUndoPos();
if (pos.IsNull())
{
ELogFormat("no undo data available");
return DISCONNECT_FAILED;
}
if (!UndoReadFromDisk(blockUndo, pos, pindex->pprev->GetBlockHash()))
{
ELogFormat("failure reading undo data");
return DISCONNECT_FAILED;
}
if (blockUndo.vtxundo.size() + 1 != block.vtx.size())
{
ELogFormat("block and undo data inconsistent");
return DISCONNECT_FAILED;
}
// undo transactions in reverse order
for (int i = block.vtx.size() - 1; i >= 0; i--)
{
const CTransaction &tx = *(block.vtx[i]);
uint256 hash = tx.GetHash();
bool is_coinbase = tx.IsCoinBase();
// Check that all outputs are available and match the outputs in the block itself
// exactly.
for (size_t o = 0; o < tx.vout.size(); o++)
{
if (!tx.vout[o].scriptPubKey.IsUnspendable())
{
COutPoint out(hash, o);
Coin coin;
bool is_spent = view.SpendCoin(out, &coin);
if (!is_spent || tx.vout[o] != coin.out || pindex->nHeight != coin.nHeight ||
is_coinbase != coin.fCoinBase)
{
fClean = false; // transaction output mismatch
}
}
}
// restore inputs
if (i > 0)
{ // not coinbases
if(tx.IsCoinBase2()){
continue; //continue
}
CTxUndo &txundo = blockUndo.vtxundo[i - 1];
if (txundo.vprevout.size() != tx.vin.size())
{
ELogFormat("transaction and undo data inconsistent");
return DISCONNECT_FAILED;
}
for (unsigned int j = tx.vin.size(); j-- > 0;)
{
const COutPoint &out = tx.vin[j].prevout;
int res = ApplyTxInUndo(std::move(txundo.vprevout[j]), view, out);
if (res == DISCONNECT_FAILED)
return DISCONNECT_FAILED;
fClean = fClean && res != DISCONNECT_UNCLEAN;
}
// At this point, all of txundo.vprevout should have been moved out.
}
}
// move best block pointer to prevout block
view.SetBestBlock(pindex->pprev->GetBlockHash());
//sbtc-vm
GET_CONTRACT_INTERFACE(ifContractObj);
uint256 hashStateRoot;
uint256 hashUTXORoot;
CBlock prevblock;
if (!ReadBlockFromDisk(prevblock, pindex->pprev, Params().GetConsensus())) {
//TODO LogError
rLogError("ReadBlockFromDisk failed at %d, hash=%s", pindex->pprev->nHeight,
pindex->pprev->GetBlockHash().ToString());
} else {
if(prevblock.GetVMState(hashStateRoot, hashUTXORoot) == RET_VM_STATE_ERR)
{
ILogFormat("GetVMState err");
}
}
ifContractObj->UpdateState(hashStateRoot, hashUTXORoot);
// ifContractObj->UpdateState(pindex->pprev->hashStateRoot, pindex->pprev->hashUTXORoot);
GET_CHAIN_INTERFACE(ifChainObj);
if (pfClean == NULL && ifChainObj->IsLogEvents())
{
ifContractObj->DeleteResults(block.vtx);
ifChainObj->GetBlockTreeDB()->EraseHeightIndex(pindex->nHeight);
}
return fClean ? DISCONNECT_OK : DISCONNECT_UNCLEAN;
}