static bool
ToMemPool(CMutableTransaction& tx)
{
LOCK(cs_main);
CValidationState state;
return AcceptToMemoryPool(mempool, state, tx, false, NULL, true, false);
}
static bool
ToMemPool(const CMutableTransaction& tx)
{
LOCK(cs_main);
CValidationState state;
return AcceptToMemoryPool(mempool, state, MakeTransactionRef(tx), nullptr /* pfMissingInputs */,
nullptr /* plTxnReplaced */, true /* bypass_limits */, 0 /* nAbsurdFee */);
}
// check to make sure the collateral provided by the client is valid
bool CPrivateSend::IsCollateralValid(const CTransaction& txCollateral)
{
if(txCollateral.vout.empty()) return false;
if(txCollateral.nLockTime != 0) return false;
CAmount nValueIn = 0;
CAmount nValueOut = 0;
for (const auto& txout : txCollateral.vout) {
nValueOut += txout.nValue;
bool fAllowData = true;
if(!txout.scriptPubKey.IsPayToPublicKeyHash() && !(fAllowData && txout.scriptPubKey.IsUnspendable())) {
LogPrintf ("CPrivateSend::IsCollateralValid -- Invalid Script, txCollateral=%s", txCollateral.ToString());
return false;
}
}
for (const auto& txin : txCollateral.vin) {
Coin coin;
if(!GetUTXOCoin(txin.prevout, coin)) {
LogPrint("privatesend", "CPrivateSend::IsCollateralValid -- Unknown inputs in collateral transaction, txCollateral=%s", txCollateral.ToString());
return false;
}
nValueIn += coin.out.nValue;
}
//collateral transactions are required to pay out a small fee to the miners
if(nValueIn - nValueOut < GetCollateralAmount()) {
LogPrint("privatesend", "CPrivateSend::IsCollateralValid -- did not include enough fees in transaction: fees: %d, txCollateral=%s", nValueOut - nValueIn, txCollateral.ToString());
return false;
}
LogPrint("privatesend", "CPrivateSend::IsCollateralValid -- %s", txCollateral.ToString());
{
LOCK(cs_main);
CValidationState validationState;
if(!AcceptToMemoryPool(mempool, validationState, MakeTransactionRef(txCollateral), false, NULL, NULL, false, maxTxFee, true)) {
LogPrint("privatesend", "CPrivateSend::IsCollateralValid -- didn't pass AcceptToMemoryPool()\n");
return false;
}
}
return true;
}
void SellsPage::on_refundButton_clicked()
{
QItemSelectionModel* selectionModel = ui->buysTableWidget->selectionModel();
QModelIndexList selected = selectionModel->selectedRows();
if(selected.count() == 0)
return;
QModelIndex index = selected.at(0);
int r = index.row();
std::string id = ui->buysTableWidget->item(r, 4)->text().toStdString();
uint256 listingIdHash = uint256(id);
std::string rid = ui->buysTableWidget->item(r, 5)->text().toStdString();
uint256 requestIdHash = uint256(rid);
// ask the user if they really want to accept the buy request
QMessageBox::StandardButton reply;
reply = QMessageBox::question(this, "Refund Buy", "Are you sure you want to refund the buyer for this item? This will return the security deposit to both buyer and seller.",
QMessageBox::Yes|QMessageBox::No);
if (reply == QMessageBox::Yes)
{
// Construct a transaction that spends the escrow multisig and sends the security deposit back to
// the seller as well as the buyer
CBuyRequest buyRequest = mapBuyRequests[requestIdHash];
// get the raw tx off of the request
//std::string rawTx = RefundEscrow(buyRequest.buyerEscrowLockTxHash, buyRequest.sellerEscrowLockTxHash, mapListings[buyRequest.listingId].listing.sellerKey, 2*mapListings[buyRequest.listingId].listing.nValue, buyRequest.buyerKey, strErrors);
std::string rawTx = SignMultiSigTransaction(buyRequest.rawTx);
// broadcast the payment transaction
CTransaction tx;
vector<unsigned char> txData(ParseHex(rawTx));
CDataStream ssData(txData, SER_NETWORK, PROTOCOL_VERSION);
ssData >> tx;
AcceptToMemoryPool(mempool, tx, false, NULL);
LoadSells();
LoadBuyRequests();
}
/**
* 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);
}
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());
}
}
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();
}
