C++ CValidationState::IsInvalid方法代码示例

Result CommitTransaction(CWallet* wallet, const uint256& txid, CMutableTransaction&& mtx, std::vector<std::string>& errors, uint256& bumped_txid)
{
    LOCK2(cs_main, wallet->cs_wallet);
    if (!errors.empty()) {
        return Result::MISC_ERROR;
    }
    auto it = txid.IsNull() ? wallet->mapWallet.end() : wallet->mapWallet.find(txid);
    if (it == wallet->mapWallet.end()) {
        errors.push_back("Invalid or non-wallet transaction id");
        return Result::MISC_ERROR;
    }
    CWalletTx& oldWtx = it->second;

    // make sure the transaction still has no descendants and hasn't been mined in the meantime
    Result result = PreconditionChecks(wallet, oldWtx, errors);
    if (result != Result::OK) {
        return result;
    }

    CWalletTx wtxBumped(wallet, MakeTransactionRef(std::move(mtx)));
    // commit/broadcast the tx
    CReserveKey reservekey(wallet);
    wtxBumped.mapValue = oldWtx.mapValue;
    wtxBumped.mapValue["replaces_txid"] = oldWtx.GetHash().ToString();
    wtxBumped.vOrderForm = oldWtx.vOrderForm;
    wtxBumped.strFromAccount = oldWtx.strFromAccount;
    wtxBumped.fTimeReceivedIsTxTime = true;
    wtxBumped.fFromMe = true;
    CValidationState state;
    if (!wallet->CommitTransaction(wtxBumped, reservekey, g_connman.get(), state)) {
        // NOTE: CommitTransaction never returns false, so this should never happen.
        errors.push_back(strprintf("The transaction was rejected: %s", state.GetRejectReason()));
        return Result::WALLET_ERROR;
    }

    bumped_txid = wtxBumped.GetHash();
    if (state.IsInvalid()) {
        // This can happen if the mempool rejected the transaction.  Report
        // what happened in the "errors" response.
        errors.push_back(strprintf("Error: The transaction was rejected: %s", FormatStateMessage(state)));
    }

    // mark the original tx as bumped
    if (!wallet->MarkReplaced(oldWtx.GetHash(), wtxBumped.GetHash())) {
        // TODO: see if JSON-RPC has a standard way of returning a response
        // along with an exception. It would be good to return information about
        // wtxBumped to the caller even if marking the original transaction
        // replaced does not succeed for some reason.
        errors.push_back("Created new bumpfee transaction but could not mark the original transaction as replaced");
    }
    return Result::OK;
}

/**
 * Ensure that the mempool won't accept coinbase transactions.
 */
BOOST_FIXTURE_TEST_CASE(tx_mempool_reject_coinbase, TestChain100Setup)
{
    CScript scriptPubKey = CScript() << ToByteVector(coinbaseKey.GetPubKey()) << OP_CHECKSIG;
    CMutableTransaction coinbaseTx;

    coinbaseTx.nVersion = 1;
    coinbaseTx.vin.resize(1);
    coinbaseTx.vout.resize(1);
    coinbaseTx.vin[0].scriptSig = CScript() << OP_11 << OP_EQUAL;
    coinbaseTx.vout[0].nValue = 1 * CENT;
    coinbaseTx.vout[0].scriptPubKey = scriptPubKey;

    BOOST_CHECK(CTransaction(coinbaseTx).IsCoinBase());

    CValidationState state;

    LOCK(cs_main);

    unsigned int initialPoolSize = mempool.size();

    BOOST_CHECK_EQUAL(
            false,
            AcceptToMemoryPool(mempool, state, MakeTransactionRef(coinbaseTx),
                nullptr /* pfMissingInputs */,
                nullptr /* plTxnReplaced */,
                true /* bypass_limits */,
                0 /* nAbsurdFee */));

    // Check that the transaction hasn't been added to mempool.
    BOOST_CHECK_EQUAL(mempool.size(), initialPoolSize);

    // Check that the validation state reflects the unsuccessful attempt.
    BOOST_CHECK(state.IsInvalid());
    BOOST_CHECK_EQUAL(state.GetRejectReason(), "coinbase");

    int nDoS;
    BOOST_CHECK_EQUAL(state.IsInvalid(nDoS), true);
    BOOST_CHECK_EQUAL(nDoS, 100);
}

bool CFeeBumper::commit(CWallet *pWallet)
{
    AssertLockHeld(pWallet->cs_wallet);
    if (!vErrors.empty() || currentResult != BumpFeeResult::OK) {
        return false;
    }
    if (txid.IsNull() || !pWallet->mapWallet.count(txid)) {
        vErrors.push_back("Invalid or non-wallet transaction id");
        currentResult = BumpFeeResult::MISC_ERROR;
        return false;
    }
    CWalletTx& oldWtx = pWallet->mapWallet[txid];

    // make sure the transaction still has no descendants and hasen't been mined in the meantime
    if (!preconditionChecks(pWallet, oldWtx)) {
        return false;
    }

    CWalletTx wtxBumped(pWallet, MakeTransactionRef(std::move(mtx)));
    // commit/broadcast the tx
    CReserveKey reservekey(pWallet);
    wtxBumped.mapValue = oldWtx.mapValue;
    wtxBumped.mapValue["replaces_txid"] = oldWtx.GetHash().ToString();
    wtxBumped.vOrderForm = oldWtx.vOrderForm;
    wtxBumped.strFromAccount = oldWtx.strFromAccount;
    wtxBumped.fTimeReceivedIsTxTime = true;
    wtxBumped.fFromMe = true;
    CValidationState state;
    if (!pWallet->CommitTransaction(wtxBumped, reservekey, g_connman.get(), state)) {
        // NOTE: CommitTransaction never returns false, so this should never happen.
        vErrors.push_back(strprintf("Error: The transaction was rejected! Reason given: %s", state.GetRejectReason()));
        return false;
    }

    bumpedTxid = wtxBumped.GetHash();
    if (state.IsInvalid()) {
        // This can happen if the mempool rejected the transaction.  Report
        // what happened in the "errors" response.
        vErrors.push_back(strprintf("Error: The transaction was rejected: %s", FormatStateMessage(state)));
    }

    // mark the original tx as bumped
    if (!pWallet->MarkReplaced(oldWtx.GetHash(), wtxBumped.GetHash())) {
        // TODO: see if JSON-RPC has a standard way of returning a response
        // along with an exception. It would be good to return information about
        // wtxBumped to the caller even if marking the original transaction
        // replaced does not succeed for some reason.
        vErrors.push_back("Error: Created new bumpfee transaction but could not mark the original transaction as replaced.");
    }
    return true;
}

    void CheckFalse(int ndos, const std::string &msg)
    {
        CValidationState state;
        bool ret;
        int v;

        ret = handler->CheckValid(
                CTransaction(transactions[member_hash]), state, NULL);
        ret &= handler->CheckFormat(
                CTransaction(transactions[member_hash]), state, NULL);

        BOOST_CHECK_MESSAGE(
                ret == false && state.IsInvalid(v) && v == ndos, msg);
    }

// NOTE: Assumes a conclusive result; if result is inconclusive, it must be handled by caller
static UniValue BIP22ValidationResult(const CValidationState& state)
{
    if (state.IsValid())
        return NullUniValue;

    if (state.IsError())
        throw JSONRPCError(RPC_VERIFY_ERROR, FormatStateMessage(state));
    if (state.IsInvalid())
    {
        std::string strRejectReason = state.GetRejectReason();
        if (strRejectReason.empty())
            return "rejected";
        return strRejectReason;
    }
    // Should be impossible
    return "valid?";
}

void CZMQNotificationInterface::BlockChecked(const CBlock& block, const CValidationState& state)
{
    if (state.IsInvalid()) {
        return;
    }

    for (std::list<CZMQAbstractNotifier*>::iterator i = notifiers.begin(); i!=notifiers.end(); )
    {
        CZMQAbstractNotifier *notifier = *i;
        if (notifier->NotifyBlock(block))
        {
            i++;
        }
        else
        {
            notifier->Shutdown();
            i = notifiers.erase(i);
        }
    }
}

void MultisigDialog::commitMultisigTx()
{
    CMutableTransaction tx(multisigTx);
    try{
#ifdef ENABLE_WALLET
        CWalletTx wtx(pwalletMain, tx);
        CReserveKey keyChange(pwalletMain);
        if (!pwalletMain->CommitTransaction(wtx, keyChange))
            throw runtime_error(string("Transaction rejected - Failed to commit"));
#else
        uint256 hashTx = tx.GetHash();
        CCoinsViewCache& view = *pcoinsTip;
        const CCoins* existingCoins = view.AccessCoins(hashTx);
        bool fOverrideFees = false;
        bool fHaveMempool = mempool.exists(hashTx);
        bool fHaveChain = existingCoins && existingCoins->nHeight < 1000000000;

        if (!fHaveMempool && !fHaveChain) {
            // push to local node and sync with wallets
            CValidationState state;
            if (!AcceptToMemoryPool(mempool, state, tx, false, NULL, !fOverrideFees)) {
                if (state.IsInvalid())
                    throw runtime_error(strprintf("Transaction rejected - %i: %s", state.GetRejectCode(), state.GetRejectReason()));
                else
                    throw runtime_error(string("Transaction rejected - ") + state.GetRejectReason());
            }
        } else if (fHaveChain) {
            throw runtime_error("transaction already in block chain");
        }
        RelayTransaction(tx);
#endif
        //disable commit if successfully committed
        ui->commitButton->setEnabled(false);
        ui->signButtonStatus->setText(strprintf("Transaction has been successfully published with transaction ID:\n %s", tx.GetHash().GetHex()).c_str());
    }catch(const runtime_error& e){
        ui->signButtonStatus->setText(e.what());
    }
}

bool CMasternodeBroadcast::CheckInputsAndAdd(int& nDoS)
{
    // we are a masternode with the same vin (i.e. already activated) and this mnb is ours (matches our Masternode privkey)
    // so nothing to do here for us
    if(fMasterNode && vin.prevout == activeMasternode.vin.prevout && pubkey2 == activeMasternode.pubKeyMasternode)
        return true;

    // search existing Masternode list
    CMasternode* pmn = mnodeman.Find(vin);

    if(pmn != NULL) {
        // nothing to do here if we already know about this masternode and it's enabled
        if(pmn->IsEnabled()) return true;
        // if it's not enabled, remove old MN first and continue
        else mnodeman.Remove(pmn->vin);
    }

    CValidationState state;
    CMutableTransaction tx = CMutableTransaction();
    CTxOut vout = CTxOut(999.99*COIN, darkSendPool.collateralPubKey);
    tx.vin.push_back(vin);
    tx.vout.push_back(vout);

    {
        TRY_LOCK(cs_main, lockMain);
        if(!lockMain) {
            // not mnb fault, let it to be checked again later
            mnodeman.mapSeenMasternodeBroadcast.erase(GetHash());
            masternodeSync.mapSeenSyncMNB.erase(GetHash());
            return false;
        }

        if(!AcceptableInputs(mempool, state, CTransaction(tx), false, NULL)) {
            //set nDos
            state.IsInvalid(nDoS);
            return false;
        }
    }

    LogPrint("masternode", "mnb - Accepted Masternode entry\n");

    if(GetInputAge(vin) < MASTERNODE_MIN_CONFIRMATIONS){
        LogPrintf("mnb - Input must have at least %d confirmations\n", MASTERNODE_MIN_CONFIRMATIONS);
        // maybe we miss few blocks, let this mnb to be checked again later
        mnodeman.mapSeenMasternodeBroadcast.erase(GetHash());
        masternodeSync.mapSeenSyncMNB.erase(GetHash());
        return false;
    }

    // verify that sig time is legit in past
    // should be at least not earlier than block when 1000 DASH tx got MASTERNODE_MIN_CONFIRMATIONS
    uint256 hashBlock = 0;
    CTransaction tx2;
    GetTransaction(vin.prevout.hash, tx2, hashBlock, true);
    BlockMap::iterator mi = mapBlockIndex.find(hashBlock);
    if (mi != mapBlockIndex.end() && (*mi).second)
    {
        CBlockIndex* pMNIndex = (*mi).second; // block for 1000 DASH tx -> 1 confirmation
        CBlockIndex* pConfIndex = chainActive[pMNIndex->nHeight + MASTERNODE_MIN_CONFIRMATIONS - 1]; // block where tx got MASTERNODE_MIN_CONFIRMATIONS
        if(pConfIndex->GetBlockTime() > sigTime)
        {
            LogPrintf("mnb - Bad sigTime %d for Masternode %20s %105s (%i conf block is at %d)\n",
                      sigTime, addr.ToString(), vin.ToString(), MASTERNODE_MIN_CONFIRMATIONS, pConfIndex->GetBlockTime());
            return false;
        }
    }

    LogPrintf("mnb - Got NEW Masternode entry - %s - %s - %s - %lli \n", GetHash().ToString(), addr.ToString(), vin.ToString(), sigTime);
    CMasternode mn(*this);
    mnodeman.Add(mn);

    // if it matches our Masternode privkey, then we've been remotely activated
    if(pubkey2 == activeMasternode.pubKeyMasternode && protocolVersion == PROTOCOL_VERSION){
        activeMasternode.EnableHotColdMasterNode(vin, addr);
    }

    bool isLocal = addr.IsRFC1918() || addr.IsLocal();
    if(Params().NetworkID() == CBaseChainParams::REGTEST) isLocal = false;

    if(!isLocal) Relay();

    return true;
}

//.........这里部分代码省略.........

        std::string strMessage = addr.ToString() + boost::lexical_cast<std::string>(sigTime) + vchPubKey + vchPubKey2;

        CScript pubkeyScript2;
        pubkeyScript2.SetDestination(pubkey2.GetID());

        if(pubkeyScript2.size() != 25) {
            LogPrintf("dsee - pubkey the wrong size\n");
            pfrom->Misbehaving(100);
            return;
        }

        std::string errorMessage = "";
        if(!darkSendSigner.VerifyMessage(pubkey, vchSig, strMessage, errorMessage)){
            LogPrintf("dsee - Got bad masternode address signature\n");
            pfrom->Misbehaving(100);
            return;
        }

        if((fTestNet && addr.GetPort() != 19999) || (!fTestNet && addr.GetPort() != 9999)) return;

        //LogPrintf("Searching existing masternodes : %s - %s\n", addr.ToString().c_str(),  vin.ToString().c_str());

        BOOST_FOREACH(CMasterNode& mn, darkSendMasterNodes) {
            //LogPrintf(" -- %s\n", mn.vin.ToString().c_str());

            if(mn.vin.prevout == vin.prevout) {
                //count == -1 when it's a new entry
                // e.g. We don't want the entry relayed/time updated when we're syncing the list
                if(count == -1 && !mn.UpdatedWithin(MASTERNODE_MIN_SECONDS)){
                    mn.UpdateLastSeen();

                    if(mn.now < sigTime){ //take the newest entry
                        LogPrintf("dsee - Got updated entry for %s\n", addr.ToString().c_str());
                        mn.pubkey2 = pubkey2;
                        mn.now = sigTime;
                        mn.sig = vchSig;

                        if(pubkey2 == activeMasternode.pubkeyMasterNode2){
                            activeMasternode.EnableHotColdMasterNode(vin, sigTime, addr);
                        }

                        RelayDarkSendElectionEntry(vin, addr, vchSig, sigTime, pubkey, pubkey2, count, current, lastUpdated);
                    }
                }

                return;
            }
        }

        if(!darkSendSigner.IsVinAssociatedWithPubkey(vin, pubkey)) {
            LogPrintf("dsee - Got mismatched pubkey and vin\n");
            pfrom->Misbehaving(100);
            return;
        }

        LogPrintf("dsee - Got NEW masternode entry %s\n", addr.ToString().c_str());

        CValidationState state;
        CTransaction tx = CTransaction();
        CTxOut vout = CTxOut(999.99*COIN, darkSendPool.collateralPubKey);
        tx.vin.push_back(vin);
        tx.vout.push_back(vout);
        if(tx.AcceptableInputs(state, true)){
            LogPrintf("dsee - Accepted masternode entry %i %i\n", count, current);

            if(GetInputAge(vin) < MASTERNODE_MIN_CONFIRMATIONS){
                LogPrintf("dsee - Input must have least %d confirmations\n", MASTERNODE_MIN_CONFIRMATIONS);
                pfrom->Misbehaving(20);
                return;
            }

            addrman.Add(CAddress(addr), pfrom->addr, 2*60*60);

            CMasterNode mn(addr, vin, pubkey, vchSig, sigTime, pubkey2);
            mn.UpdateLastSeen(lastUpdated);
            darkSendMasterNodes.push_back(mn);

            if(pubkey2 == activeMasternode.pubkeyMasterNode2){
                activeMasternode.EnableHotColdMasterNode(vin, sigTime, addr);
            }

            if(count == -1 && !isLocal)
                RelayDarkSendElectionEntry(vin, addr, vchSig, sigTime, pubkey, pubkey2, count, current, lastUpdated);

        } else {
            LogPrintf("dsee - Rejected masternode entry\n");

            int nDoS = 0;
            if (state.IsInvalid(nDoS))
            {
                LogPrintf("dsee - %s from %s %s was not accepted into the memory pool\n", tx.GetHash().ToString().c_str(),
                    pfrom->addr.ToString().c_str(), pfrom->cleanSubVer.c_str());
                if (nDoS > 0)
                    pfrom->Misbehaving(nDoS);
            }
        }
    }

    else if (strCommand == "dseep") { //DarkSend Election Entry Ping

//.........这里部分代码省略.........
            Misbehaving(pfrom->GetId(), 100);
            return;
        }

        std::string errorMessage = "";
        if(!darkSendSigner.VerifyMessage(pubkey, vchSig, strMessage, errorMessage)){
            LogPrintf("dsee - Got bad masternode address signature\n");
            Misbehaving(pfrom->GetId(), 100);
            return;
        }

        

        //search existing masternode list, this is where we update existing masternodes with new dsee broadcasts
	LOCK(cs_masternodes);
        BOOST_FOREACH(CMasterNode& mn, vecMasternodes) {
            if(mn.vin.prevout == vin.prevout) {
                // count == -1 when it's a new entry
                //   e.g. We don't want the entry relayed/time updated when we're syncing the list
                // mn.pubkey = pubkey, IsVinAssociatedWithPubkey is validated once below,
                //   after that they just need to match
                if(count == -1 && mn.pubkey == pubkey && !mn.UpdatedWithin(MASTERNODE_MIN_DSEE_SECONDS)){
                    mn.UpdateLastSeen();

                    if(mn.now < sigTime){ //take the newest entry
                        LogPrintf("dsee - Got updated entry for %s\n", addr.ToString().c_str());
                        mn.pubkey2 = pubkey2;
                        mn.now = sigTime;
                        mn.sig = vchSig;
                        mn.protocolVersion = protocolVersion;
                        mn.addr = addr;

                        RelayDarkSendElectionEntry(vin, addr, vchSig, sigTime, pubkey, pubkey2, count, current, lastUpdated, protocolVersion);
                    }
                }

                return;
            }
        }

        // make sure the vout that was signed is related to the transaction that spawned the masternode
        //  - this is expensive, so it's only done once per masternode
        if(!darkSendSigner.IsVinAssociatedWithPubkey(vin, pubkey)) {
            LogPrintf("dsee - Got mismatched pubkey and vin\n");
            Misbehaving(pfrom->GetId(), 100);
            return;
        }

        if(fDebug) LogPrintf("dsee - Got NEW masternode entry %s\n", addr.ToString().c_str());

        // make sure it's still unspent
        //  - this is checked later by .check() in many places and by ThreadCheckDarkSendPool()

        CValidationState state;
        CTransaction tx = CTransaction();
        CTxOut vout = CTxOut((GetMNCollateral(pindexBest->nHeight)-1)*COIN, darkSendPool.collateralPubKey);
        tx.vin.push_back(vin);
        tx.vout.push_back(vout);
        //if(AcceptableInputs(mempool, state, tx)){
	bool* pfMissingInputs = false;
	if(AcceptableInputs(mempool, tx, false, pfMissingInputs)){
            if(fDebug) LogPrintf("dsee - Accepted masternode entry %i %i\n", count, current);

            if(GetInputAge(vin) < MASTERNODE_MIN_CONFIRMATIONS){
                LogPrintf("dsee - Input must have least %d confirmations\n", MASTERNODE_MIN_CONFIRMATIONS);
                Misbehaving(pfrom->GetId(), 20);
                return;
            }

            // use this as a peer
            addrman.Add(CAddress(addr), pfrom->addr, 2*60*60);

            // add our masternode
            CMasterNode mn(addr, vin, pubkey, vchSig, sigTime, pubkey2, protocolVersion);
            mn.UpdateLastSeen(lastUpdated);
            vecMasternodes.push_back(mn);

            // if it matches our masternodeprivkey, then we've been remotely activated
            if(pubkey2 == activeMasternode.pubKeyMasternode && protocolVersion == PROTOCOL_VERSION){
                activeMasternode.EnableHotColdMasterNode(vin, addr);
            }

            if(count == -1 && !isLocal)
                RelayDarkSendElectionEntry(vin, addr, vchSig, sigTime, pubkey, pubkey2, count, current, lastUpdated, protocolVersion);

        } else {
            LogPrintf("dsee - Rejected masternode entry %s\n", addr.ToString().c_str());

            int nDoS = 0;
            if (state.IsInvalid(nDoS))
            {
                LogPrintf("dsee - %s from %s %s was not accepted into the memory pool\n", tx.GetHash().ToString().c_str(),
                    pfrom->addr.ToString().c_str(), pfrom->cleanSubVer.c_str());
                if (nDoS > 0)
                    Misbehaving(pfrom->GetId(), nDoS);
            }
        }
    }

    else if (strCommand == "dseep") { //DarkSend Election Entry Ping

UniValue sendrawtransaction(const JSONRPCRequest& request)
{
    if (request.fHelp || request.params.size() < 1 || request.params.size() > 2)
        throw std::runtime_error(
            "sendrawtransaction \"hexstring\" ( allowhighfees )\n"
            "\nSubmits raw transaction (serialized, hex-encoded) to local node and network.\n"
            "\nAlso see createrawtransaction and signrawtransaction calls.\n"
            "\nArguments:\n"
            "1. \"hexstring\"    (string, required) The hex string of the raw transaction)\n"
            "2. allowhighfees    (boolean, optional, default=false) Allow high fees\n"
            "\nResult:\n"
            "\"hex\"             (string) The transaction hash in hex\n"
            "\nExamples:\n"
            "\nCreate a transaction\n"
            + HelpExampleCli("createrawtransaction", "\"[{\\\"txid\\\" : \\\"mytxid\\\",\\\"vout\\\":0}]\" \"{\\\"myaddress\\\":0.01}\"") +
            "Sign the transaction, and get back the hex\n"
            + HelpExampleCli("signrawtransaction", "\"myhex\"") +
            "\nSend the transaction (signed hex)\n"
            + HelpExampleCli("sendrawtransaction", "\"signedhex\"") +
            "\nAs a json rpc call\n"
            + HelpExampleRpc("sendrawtransaction", "\"signedhex\"")
        );

    ObserveSafeMode();
    LOCK(cs_main);
    RPCTypeCheck(request.params, {UniValue::VSTR, UniValue::VBOOL});

    // parse hex string from parameter
    CMutableTransaction mtx;
    if (!DecodeHexTx(mtx, request.params[0].get_str()))
        throw JSONRPCError(RPC_DESERIALIZATION_ERROR, "TX decode failed");
    CTransactionRef tx(MakeTransactionRef(std::move(mtx)));
    const uint256& hashTx = tx->GetHash();

    CAmount nMaxRawTxFee = maxTxFee;
    if (!request.params[1].isNull() && request.params[1].get_bool())
        nMaxRawTxFee = 0;

    CCoinsViewCache &view = *pcoinsTip;
    bool fHaveChain = false;
    for (size_t o = 0; !fHaveChain && o < tx->vout.size(); o++) {
        const Coin& existingCoin = view.AccessCoin(COutPoint(hashTx, o));
        fHaveChain = !existingCoin.IsSpent();
    }
    bool fHaveMempool = mempool.exists(hashTx);
    if (!fHaveMempool && !fHaveChain) {
        // push to local node and sync with wallets
        CValidationState state;
        bool fMissingInputs;
        bool fLimitFree = true;
        if (!AcceptToMemoryPool(mempool, state, std::move(tx), fLimitFree, &fMissingInputs, nullptr, false, nMaxRawTxFee)) {
            if (state.IsInvalid()) {
                throw JSONRPCError(RPC_TRANSACTION_REJECTED, strprintf("%i: %s", state.GetRejectCode(), state.GetRejectReason()));
            } else {
                if (fMissingInputs) {
                    throw JSONRPCError(RPC_TRANSACTION_ERROR, "Missing inputs");
                }
                throw JSONRPCError(RPC_TRANSACTION_ERROR, state.GetRejectReason());
            }
        }
    } else if (fHaveChain) {
        throw JSONRPCError(RPC_TRANSACTION_ALREADY_IN_CHAIN, "transaction already in block chain");
    }
    if(!g_connman)
        throw JSONRPCError(RPC_CLIENT_P2P_DISABLED, "Error: Peer-to-peer functionality missing or disabled");

    CInv inv(MSG_TX, hashTx);
    g_connman->ForEachNode([&inv](CNode* pnode)
    {
        pnode->PushInventory(inv);
    });
    return hashTx.GetHex();
}