// Test CacheBlockAddress Utility class, mostly that constructor and
// comparison operators are properly defined.
bool TestCacheBlockAddress() {
uint32 offset = 100;
uint32 segment_id = 1010;
CachedReadAccessor::CacheBlockAddress address1(segment_id, offset);
TestAssertEquals(offset, address1.Offset());
{ // Equality and copy constructor tests.
CachedReadAccessor::CacheBlockAddress address2(segment_id, offset);
TestAssert(address1 == address2);
TestAssert((address1 < address2) == false);
CachedReadAccessor::CacheBlockAddress address3 = address1;
TestAssert(address2 == address3);
}
{ // less than by segment id
CachedReadAccessor::CacheBlockAddress address2(segment_id+1, offset);
TestAssert(address1 < address2);
TestAssert(address1 != address2);
TestAssert((address2 < address1) == false);
}
{ // less than by offset
CachedReadAccessor::CacheBlockAddress address2(segment_id, offset+1);
TestAssert(address1 < address2);
TestAssert(address1 != address2);
TestAssert((address2 < address1) == false);
}
return true;
}
void CMasternodePayments::FillBlockPayee(CMutableTransaction& txNew, int nBlockHeight, CAmount blockReward, CTxOut& txoutMasternodeRet)
{
// make sure it's not filled yet
txoutMasternodeRet = CTxOut();
CScript payee;
if(!mnpayments.GetBlockPayee(nBlockHeight, payee)) {
// no masternode detected...
int nCount = 0;
masternode_info_t mnInfo;
if(!mnodeman.GetNextMasternodeInQueueForPayment(nBlockHeight, true, nCount, mnInfo)) {
// ...and we can't calculate it on our own
LogPrintf("CMasternodePayments::FillBlockPayee -- Failed to detect masternode to pay\n");
return;
}
// fill payee with locally calculated winner and hope for the best
payee = GetScriptForDestination(mnInfo.pubKeyCollateralAddress.GetID());
}
// GET MASTERNODE PAYMENT VARIABLES SETUP
CAmount masternodePayment = GetMasternodePayment(nBlockHeight, blockReward);
// split reward between miner ...
txNew.vout[0].nValue -= masternodePayment;
// ... and masternode
txoutMasternodeRet = CTxOut(masternodePayment, payee);
txNew.vout.push_back(txoutMasternodeRet);
CTxDestination address1;
ExtractDestination(payee, address1);
CBitcoinAddress address2(address1);
LogPrintf("CMasternodePayments::FillBlockPayee -- Masternode payment %lld to %s\n", masternodePayment, address2.ToString());
}
void CMasternodePayments::FillBlockPayee(CMutableTransaction& txNew, int64_t nFees, bool fProofOfStake, bool fZXAPStake)
{
CBlockIndex* pindexPrev = chainActive.Tip();
if (!pindexPrev) return;
bool hasPayment = true;
CScript payee;
//spork
if (!masternodePayments.GetBlockPayee(pindexPrev->nHeight + 1, payee)) {
//no masternode detected
CMasternode* winningNode = mnodeman.GetCurrentMasterNode(1);
if (winningNode) {
payee = GetScriptForDestination(winningNode->pubKeyCollateralAddress.GetID());
} else {
LogPrint("masternode","CreateNewBlock: Failed to detect masternode to pay\n");
hasPayment = false;
}
}
CAmount blockValue = GetBlockValue(pindexPrev->nHeight);
CAmount masternodePayment = GetMasternodePayment(pindexPrev->nHeight, blockValue, 0, fZXAPStake);
if (hasPayment) {
if (fProofOfStake) {
/**For Proof Of Stake vout[0] must be null
* Stake reward can be split into many different outputs, so we must
* use vout.size() to align with several different cases.
* An additional output is appended as the masternode payment
*/
unsigned int i = txNew.vout.size();
txNew.vout.resize(i + 1);
txNew.vout[i].scriptPubKey = payee;
txNew.vout[i].nValue = masternodePayment;
//subtract mn payment from the stake reward
if (!txNew.vout[1].IsZerocoinMint())
txNew.vout[i - 1].nValue -= masternodePayment;
} else {
txNew.vout.resize(2);
txNew.vout[1].scriptPubKey = payee;
txNew.vout[1].nValue = masternodePayment;
txNew.vout[0].nValue = blockValue - masternodePayment;
}
CTxDestination address1;
ExtractDestination(payee, address1);
CBitcoinAddress address2(address1);
LogPrint("masternode","Masternode payment of %s to %s\n", FormatMoney(masternodePayment).c_str(), address2.ToString().c_str());
} else {
if (!fProofOfStake)
txNew.vout[0].nValue = blockValue;
}
}
//TODO (Amir): Use CMutableTransaction.
void CStormnodePayments::FillBlockPayee(CTransaction& txNew, CAmount nFees)
{
CBlockIndex* pindexPrev = pindexBest;
if(!pindexPrev) return;
bool hasPayment = true;
CScript payee;
//spork
if(!stormnodePayments.GetBlockPayee(pindexPrev->nHeight+1, payee)){
//no stormnode detected
CStormnode* winningNode = snodeman.GetCurrentStormNode();
if(winningNode){
payee = GetScriptForDestination(winningNode->pubkey.GetID());
} else {
LogPrintf("CreateNewBlock: Failed to detect stormnode to pay\n");
hasPayment = false;
}
}
if(hasPayment){
//txNew.vout.resize(2);
txNew.vout[1].scriptPubKey = payee;
//txNew.vout[1].nValue = stormnodePayment;
//txNew.vout[0].nValue -= stormnodePayment;
// Stormnode Payments
CAmount blockValue = GetBlockValue(pindexPrev->nBits, pindexPrev->nHeight, nFees);
CAmount stormnodePayment = GetStormnodePayment(pindexPrev->nHeight+1, blockValue);
if(txNew.vout.size() == 4) // 2 stake outputs, stake was split, plus a stormnode payment
{
txNew.vout[1].nValue = stormnodePayment;
blockValue -= stormnodePayment;
txNew.vout[2].nValue = (blockValue / 2 / CENT) * CENT;
txNew.vout[3].nValue = blockValue - txNew.vout[1].nValue;
}
else if(txNew.vout.size() == 3) // only 1 stake output, was not split, plus a stormnode payment
{
txNew.vout[1].nValue = stormnodePayment;
blockValue -= stormnodePayment;
txNew.vout[2].nValue = blockValue;
}
CTxDestination address1;
ExtractDestination(payee, address1);
CDarkSilkAddress address2(address1);
LogPrintf("Stormnode payment to %s\n", address2.ToString().c_str());
}
}
void CMasternodePayments::FillBlockPayee(CMutableTransaction& txNew, int64_t nFees, bool fProofOfStake)
{
CBlockIndex* pindexPrev = chainActive.Tip();
if(!pindexPrev) return;
bool hasPayment = true;
CScript payee;
//spork
if(!masternodePayments.GetBlockPayee(pindexPrev->nHeight+1, payee)){
//no masternode detected
CMasternode* winningNode = mnodeman.GetCurrentMasterNode(1);
if(winningNode){
payee = GetScriptForDestination(winningNode->pubKeyCollateralAddress.GetID());
} else {
LogPrintf("CreateNewBlock: Failed to detect masternode to pay\n");
hasPayment = false;
}
}
CAmount blockValue = GetBlockValue(pindexPrev->nHeight);
CAmount masternodePayment = GetMasternodePayment(pindexPrev->nHeight, blockValue);
if(hasPayment)
{
if(fProofOfStake)
{
unsigned int i = txNew.vout.size();
txNew.vout.resize(i + 1);
txNew.vout[i].scriptPubKey = payee;
txNew.vout[i].nValue = masternodePayment;
txNew.vout[i - 1].nValue -= masternodePayment;
}
else
{
txNew.vout.resize(2);
txNew.vout[1].scriptPubKey = payee;
txNew.vout[1].nValue = masternodePayment;
txNew.vout[0].nValue = blockValue - masternodePayment;
}
CTxDestination address1;
ExtractDestination(payee, address1);
CBitcoinAddress address2(address1);
LogPrintf("Masternode payment to %s\n", address2.ToString().c_str());
}
}
void tst_QHostAddress::scopeId()
{
QHostAddress address("fe80::2e0:4cff:fefb:662a%eth0");
QCOMPARE(address.scopeId(), QString("eth0"));
QCOMPARE(address.toString().toLower(), QString("fe80::2e0:4cff:fefb:662a%eth0"));
QHostAddress address2("fe80::2e0:4cff:fefb:662a");
QCOMPARE(address2.scopeId(), QString());
address2.setScopeId(QString("en0"));
QCOMPARE(address2.toString().toLower(), QString("fe80::2e0:4cff:fefb:662a%en0"));
address2 = address;
QCOMPARE(address2.scopeId(), QString("eth0"));
QCOMPARE(address2.toString().toLower(), QString("fe80::2e0:4cff:fefb:662a%eth0"));
}
bool CSuperblockManager::GetSuperblockPayments(int nBlockHeight, std::vector<CTxOut>& voutSuperblockRet)
{
LOCK(governance.cs);
// GET THE BEST SUPERBLOCK FOR THIS BLOCK HEIGHT
CSuperblock_sptr pSuperblock;
if (!CSuperblockManager::GetBestSuperblock(pSuperblock, nBlockHeight)) {
LogPrint("gobject", "CSuperblockManager::GetSuperblockPayments -- Can't find superblock for height %d\n", nBlockHeight);
return false;
}
// make sure it's empty, just in case
voutSuperblockRet.clear();
// GET SUPERBLOCK OUTPUTS
// Superblock payments will be appended to the end of the coinbase vout vector
// TODO: How many payments can we add before things blow up?
// Consider at least following limits:
// - max coinbase tx size
// - max "budget" available
for (int i = 0; i < pSuperblock->CountPayments(); i++) {
CGovernancePayment payment;
if (pSuperblock->GetPayment(i, payment)) {
// SET COINBASE OUTPUT TO SUPERBLOCK SETTING
CTxOut txout = CTxOut(payment.nAmount, payment.script);
voutSuperblockRet.push_back(txout);
// PRINT NICE LOG OUTPUT FOR SUPERBLOCK PAYMENT
CTxDestination address1;
ExtractDestination(payment.script, address1);
CBitcoinAddress address2(address1);
// TODO: PRINT NICE N.N DASH OUTPUT
LogPrint("gobject", "CSuperblockManager::GetSuperblockPayments -- NEW Superblock: output %d (addr %s, amount %lld)\n",
i, address2.ToString(), payment.nAmount);
} else {
LogPrint("gobject", "CSuperblockManager::GetSuperblockPayments -- Payment not found\n");
}
}
return true;
}
/* virtual methods from class LeScanCallback */
void OnLeScan(const char *address, const char *name) override {
{
std::string address2(address);
if (addresses.find(address2) != addresses.end())
/* already in the list */
return;
addresses.emplace(std::move(address2));
}
{
const ScopeLock protect(mutex);
new_items.emplace_front(address, name);
}
Notify::SendNotification();
};
void MasternodeManager::updateNodeList()
{
TRY_LOCK(cs_masternodes, lockMasternodes);
if(!lockMasternodes)
return;
ui->countLabel->setText("Updating...");
ui->tableWidget->clearContents();
ui->tableWidget->setRowCount(0);
BOOST_FOREACH(CMasterNode mn, vecMasternodes)
{
int mnRow = 0;
ui->tableWidget->insertRow(0);
// populate list
// Address, Rank, Active, Active Seconds, Last Seen, Pub Key
QTableWidgetItem *activeItem = new QTableWidgetItem(QString::number(mn.IsEnabled()));
QTableWidgetItem *addressItem = new QTableWidgetItem(QString::fromStdString(mn.addr.ToString()));
QTableWidgetItem *rankItem = new QTableWidgetItem(QString::number(GetMasternodeRank(mn.vin, pindexBest->nHeight)));
QTableWidgetItem *activeSecondsItem = new QTableWidgetItem(seconds_to_DHMS((qint64)(mn.lastTimeSeen - mn.now)));
QTableWidgetItem *lastSeenItem = new QTableWidgetItem(QString::fromStdString(DateTimeStrFormat(mn.lastTimeSeen)));
CScript pubkey;
pubkey =GetScriptForDestination(mn.pubkey.GetID());
CTxDestination address1;
ExtractDestination(pubkey, address1);
CBitcoinAddress address2(address1);
QTableWidgetItem *pubkeyItem = new QTableWidgetItem(QString::fromStdString(address2.ToString()));
ui->tableWidget->setItem(mnRow, 0, addressItem);
ui->tableWidget->setItem(mnRow, 1, rankItem);
ui->tableWidget->setItem(mnRow, 2, activeItem);
ui->tableWidget->setItem(mnRow, 3, activeSecondsItem);
ui->tableWidget->setItem(mnRow, 4, lastSeenItem);
ui->tableWidget->setItem(mnRow, 5, pubkeyItem);
}
std::string CSuperblockManager::GetRequiredPaymentsString(int nBlockHeight)
{
LOCK(governance.cs);
std::string ret = "Unknown";
// GET BEST SUPERBLOCK
CSuperblock_sptr pSuperblock;
if (!GetBestSuperblock(pSuperblock, nBlockHeight)) {
LogPrint("gobject", "CSuperblockManager::GetRequiredPaymentsString -- Can't find superblock for height %d\n", nBlockHeight);
return "error";
}
// LOOP THROUGH SUPERBLOCK PAYMENTS, CONFIGURE OUTPUT STRING
for (int i = 0; i < pSuperblock->CountPayments(); i++) {
CGovernancePayment payment;
if (pSuperblock->GetPayment(i, payment)) {
// PRINT NICE LOG OUTPUT FOR SUPERBLOCK PAYMENT
CTxDestination address1;
ExtractDestination(payment.script, address1);
CBitcoinAddress address2(address1);
// RETURN NICE OUTPUT FOR CONSOLE
if (ret != "Unknown") {
ret += ", " + address2.ToString();
} else {
ret = address2.ToString();
}
}
}
return ret;
}
void ProcessMessageMasternodePayments(CNode* pfrom, std::string& strCommand, CDataStream& vRecv)
{
if(IsInitialBlockDownload()) return;
if (strCommand == "mnget") { //Masternode Payments Request Sync
if(fLiteMode) return; //disable all Darksend/Masternode related functionality
if(pfrom->HasFulfilledRequest("mnget")) {
LogPrintf("mnget - peer already asked me for the list\n");
Misbehaving(pfrom->GetId(), 20);
return;
}
pfrom->FulfilledRequest("mnget");
masternodePayments.Sync(pfrom);
LogPrintf("mnget - Sent Masternode winners to %s\n", pfrom->addr.ToString().c_str());
}
else if (strCommand == "mnw") { //Masternode Payments Declare Winner
LOCK(cs_masternodepayments);
//this is required in litemode
CMasternodePaymentWinner winner;
vRecv >> winner;
if(chainActive.Tip() == NULL) return;
CTxDestination address1;
ExtractDestination(winner.payee, address1);
CBitcoinAddress address2(address1);
uint256 hash = winner.GetHash();
if(mapSeenMasternodeVotes.count(hash)) {
if(fDebug) LogPrintf("mnw - seen vote %s Addr %s Height %d bestHeight %d\n", hash.ToString().c_str(), address2.ToString().c_str(), winner.nBlockHeight, chainActive.Tip()->nHeight);
return;
}
if(winner.nBlockHeight < chainActive.Tip()->nHeight - 10 || winner.nBlockHeight > chainActive.Tip()->nHeight+20){
LogPrintf("mnw - winner out of range %s Addr %s Height %d bestHeight %d\n", winner.vin.ToString().c_str(), address2.ToString().c_str(), winner.nBlockHeight, chainActive.Tip()->nHeight);
return;
}
if(winner.vin.nSequence != std::numeric_limits<unsigned int>::max()){
LogPrintf("mnw - invalid nSequence\n");
Misbehaving(pfrom->GetId(), 100);
return;
}
LogPrintf("mnw - winning vote - Vin %s Addr %s Height %d bestHeight %d\n", winner.vin.ToString().c_str(), address2.ToString().c_str(), winner.nBlockHeight, chainActive.Tip()->nHeight);
if(!masternodePayments.CheckSignature(winner)){
LogPrintf("mnw - invalid signature\n");
Misbehaving(pfrom->GetId(), 100);
return;
}
mapSeenMasternodeVotes.insert(make_pair(hash, winner));
if(masternodePayments.AddWinningMasternode(winner)){
masternodePayments.Relay(winner);
}
}
UniValue getblocktemplate(const JSONRPCRequest& request)
{
if (request.fHelp || request.params.size() > 1)
throw std::runtime_error(
"getblocktemplate ( TemplateRequest )\n"
"\nIf the request parameters include a 'mode' key, that is used to explicitly select between the default 'template' request or a 'proposal'.\n"
"It returns data needed to construct a block to work on.\n"
"For full specification, see BIPs 22, 23, and 9:\n"
" https://github.com/bitcoin/bips/blob/master/bip-0022.mediawiki\n"
" https://github.com/bitcoin/bips/blob/master/bip-0023.mediawiki\n"
" https://github.com/bitcoin/bips/blob/master/bip-0009.mediawiki#getblocktemplate_changes\n"
"\nArguments:\n"
"1. template_request (json object, optional) A json object in the following spec\n"
" {\n"
" \"mode\":\"template\" (string, optional) This must be set to \"template\", \"proposal\" (see BIP 23), or omitted\n"
" \"capabilities\":[ (array, optional) A list of strings\n"
" \"support\" (string) client side supported feature, 'longpoll', 'coinbasetxn', 'coinbasevalue', 'proposal', 'serverlist', 'workid'\n"
" ,...\n"
" ],\n"
" \"rules\":[ (array, optional) A list of strings\n"
" \"support\" (string) client side supported softfork deployment\n"
" ,...\n"
" ]\n"
" }\n"
"\n"
"\nResult:\n"
"{\n"
" \"capabilities\" : [ \"capability\", ... ], (array of strings) specific client side supported features\n"
" \"version\" : n, (numeric) The preferred block version\n"
" \"rules\" : [ \"rulename\", ... ], (array of strings) specific block rules that are to be enforced\n"
" \"vbavailable\" : { (json object) set of pending, supported versionbit (BIP 9) softfork deployments\n"
" \"rulename\" : bitnumber (numeric) identifies the bit number as indicating acceptance and readiness for the named softfork rule\n"
" ,...\n"
" },\n"
" \"vbrequired\" : n, (numeric) bit mask of versionbits the server requires set in submissions\n"
" \"previousblockhash\" : \"xxxx\", (string) The hash of current highest block\n"
" \"transactions\" : [ (array) contents of non-coinbase transactions that should be included in the next block\n"
" {\n"
" \"data\" : \"xxxx\", (string) transaction data encoded in hexadecimal (byte-for-byte)\n"
" \"hash\" : \"xxxx\", (string) hash/id encoded in little-endian hexadecimal\n"
" \"depends\" : [ (array) array of numbers \n"
" n (numeric) transactions before this one (by 1-based index in 'transactions' list) that must be present in the final block if this one is\n"
" ,...\n"
" ],\n"
" \"fee\": n, (numeric) difference in value between transaction inputs and outputs (in duffs); for coinbase transactions, this is a negative Number of the total collected block fees (ie, not including the block subsidy); if key is not present, fee is unknown and clients MUST NOT assume there isn't one\n"
" \"sigops\" : n, (numeric) total number of SigOps, as counted for purposes of block limits; if key is not present, sigop count is unknown and clients MUST NOT assume there aren't any\n"
" \"required\" : true|false (boolean) if provided and true, this transaction must be in the final block\n"
" }\n"
" ,...\n"
" ],\n"
" \"coinbaseaux\" : { (json object) data that should be included in the coinbase's scriptSig content\n"
" \"flags\" : \"xx\" (string) key name is to be ignored, and value included in scriptSig\n"
" },\n"
" \"coinbasevalue\" : n, (numeric) maximum allowable input to coinbase transaction, including the generation award and transaction fees (in duffs)\n"
" \"coinbasetxn\" : { ... }, (json object) information for coinbase transaction\n"
" \"target\" : \"xxxx\", (string) The hash target\n"
" \"mintime\" : xxx, (numeric) The minimum timestamp appropriate for next block time in seconds since epoch (Jan 1 1970 GMT)\n"
" \"mutable\" : [ (array of string) list of ways the block template may be changed \n"
" \"value\" (string) A way the block template may be changed, e.g. 'time', 'transactions', 'prevblock'\n"
" ,...\n"
" ],\n"
" \"noncerange\" : \"00000000ffffffff\",(string) A range of valid nonces\n"
" \"sigoplimit\" : n, (numeric) limit of sigops in blocks\n"
" \"sizelimit\" : n, (numeric) limit of block size\n"
" \"curtime\" : ttt, (numeric) current timestamp in seconds since epoch (Jan 1 1970 GMT)\n"
" \"bits\" : \"xxxxxxxx\", (string) compressed target of next block\n"
" \"previousbits\" : \"xxxxxxxx\", (string) compressed target of current highest block\n"
" \"height\" : n (numeric) The height of the next block\n"
" \"masternode\" : [ (array) required masternode payments that must be included in the next block\n"
" {\n"
" \"payee\" : \"xxxx\", (string) payee address\n"
" \"script\" : \"xxxx\", (string) payee scriptPubKey\n"
" \"amount\": n (numeric) required amount to pay\n"
" }\n"
" },\n"
" \"masternode_payments_started\" : true|false, (boolean) true, if masternode payments started\n"
" \"masternode_payments_enforced\" : true|false, (boolean) true, if masternode payments are enforced\n"
" \"superblock\" : [ (array) required superblock payees that must be included in the next block\n"
" {\n"
" \"payee\" : \"xxxx\", (string) payee address\n"
" \"script\" : \"xxxx\", (string) payee scriptPubKey\n"
" \"amount\": n (numeric) required amount to pay\n"
" }\n"
" ,...\n"
" ],\n"
" \"superblocks_started\" : true|false, (boolean) true, if superblock payments started\n"
" \"superblocks_enabled\" : true|false, (boolean) true, if superblock payments are enabled\n"
" \"coinbase_payload\" : \"xxxxxxxx\" (string) coinbase transaction payload data encoded in hexadecimal\n"
"}\n"
"\nExamples:\n"
+ HelpExampleCli("getblocktemplate", "")
+ HelpExampleRpc("getblocktemplate", "")
);
LOCK(cs_main);
std::string strMode = "template";
UniValue lpval = NullUniValue;
std::set<std::string> setClientRules;
int64_t nMaxVersionPreVB = -1;
if (request.params.size() > 0)
{
const UniValue& oparam = request.params[0].get_obj();
const UniValue& modeval = find_value(oparam, "mode");
if (modeval.isStr())
strMode = modeval.get_str();
else if (modeval.isNull())
{
/* Do nothing */
}
else
throw JSONRPCError(RPC_INVALID_PARAMETER, "Invalid mode");
lpval = find_value(oparam, "longpollid");
if (strMode == "proposal")
{
const UniValue& dataval = find_value(oparam, "data");
if (!dataval.isStr())
throw JSONRPCError(RPC_TYPE_ERROR, "Missing data String key for proposal");
CBlock block;
if (!DecodeHexBlk(block, dataval.get_str()))
throw JSONRPCError(RPC_DESERIALIZATION_ERROR, "Block decode failed");
uint256 hash = block.GetHash();
BlockMap::iterator mi = mapBlockIndex.find(hash);
if (mi != mapBlockIndex.end()) {
CBlockIndex *pindex = mi->second;
if (pindex->IsValid(BLOCK_VALID_SCRIPTS))
return "duplicate";
if (pindex->nStatus & BLOCK_FAILED_MASK)
return "duplicate-invalid";
return "duplicate-inconclusive";
}
CBlockIndex* const pindexPrev = chainActive.Tip();
// TestBlockValidity only supports blocks built on the current Tip
if (block.hashPrevBlock != pindexPrev->GetBlockHash())
return "inconclusive-not-best-prevblk";
CValidationState state;
TestBlockValidity(state, Params(), block, pindexPrev, false, true);
return BIP22ValidationResult(state);
}
const UniValue& aClientRules = find_value(oparam, "rules");
if (aClientRules.isArray()) {
for (unsigned int i = 0; i < aClientRules.size(); ++i) {
const UniValue& v = aClientRules[i];
setClientRules.insert(v.get_str());
}
} else {
// NOTE: It is important that this NOT be read if versionbits is supported
const UniValue& uvMaxVersion = find_value(oparam, "maxversion");
if (uvMaxVersion.isNum()) {
nMaxVersionPreVB = uvMaxVersion.get_int64();
}
}
}
if (strMode != "template")
throw JSONRPCError(RPC_INVALID_PARAMETER, "Invalid mode");
if(!g_connman)
throw JSONRPCError(RPC_CLIENT_P2P_DISABLED, "Error: Peer-to-peer functionality missing or disabled");
if (Params().MiningRequiresPeers()) {
if (g_connman->GetNodeCount(CConnman::CONNECTIONS_ALL) == 0)
throw JSONRPCError(RPC_CLIENT_NOT_CONNECTED, "Dash Core is not connected!");
if (IsInitialBlockDownload())
throw JSONRPCError(RPC_CLIENT_IN_INITIAL_DOWNLOAD, "Dash Core is downloading blocks...");
}
// when enforcement is on we need information about a masternode payee or otherwise our block is going to be orphaned by the network
std::vector<CTxOut> voutMasternodePayments;
if (sporkManager.IsSporkActive(SPORK_8_MASTERNODE_PAYMENT_ENFORCEMENT)
&& !masternodeSync.IsWinnersListSynced()
&& !mnpayments.GetBlockTxOuts(chainActive.Height() + 1, 0, voutMasternodePayments))
throw JSONRPCError(RPC_CLIENT_IN_INITIAL_DOWNLOAD, "Dash Core is downloading masternode winners...");
// next bock is a superblock and we need governance info to correctly construct it
if (sporkManager.IsSporkActive(SPORK_9_SUPERBLOCKS_ENABLED)
&& !masternodeSync.IsSynced()
&& CSuperblock::IsValidBlockHeight(chainActive.Height() + 1))
throw JSONRPCError(RPC_CLIENT_IN_INITIAL_DOWNLOAD, "Dash Core is syncing with network...");
static unsigned int nTransactionsUpdatedLast;
if (!lpval.isNull())
{
// Wait to respond until either the best block changes, OR a minute has passed and there are more transactions
uint256 hashWatchedChain;
boost::system_time checktxtime;
unsigned int nTransactionsUpdatedLastLP;
if (lpval.isStr())
{
// Format: <hashBestChain><nTransactionsUpdatedLast>
std::string lpstr = lpval.get_str();
hashWatchedChain.SetHex(lpstr.substr(0, 64));
nTransactionsUpdatedLastLP = atoi64(lpstr.substr(64));
}
else
{
// NOTE: Spec does not specify behaviour for non-string longpollid, but this makes testing easier
hashWatchedChain = chainActive.Tip()->GetBlockHash();
nTransactionsUpdatedLastLP = nTransactionsUpdatedLast;
}
// Release the wallet and main lock while waiting
LEAVE_CRITICAL_SECTION(cs_main);
{
checktxtime = boost::get_system_time() + boost::posix_time::minutes(1);
boost::unique_lock<boost::mutex> lock(csBestBlock);
while (chainActive.Tip()->GetBlockHash() == hashWatchedChain && IsRPCRunning())
{
if (!cvBlockChange.timed_wait(lock, checktxtime))
{
// Timeout: Check transactions for update
if (mempool.GetTransactionsUpdated() != nTransactionsUpdatedLastLP)
break;
checktxtime += boost::posix_time::seconds(10);
}
}
}
ENTER_CRITICAL_SECTION(cs_main);
if (!IsRPCRunning())
throw JSONRPCError(RPC_CLIENT_NOT_CONNECTED, "Shutting down");
// TODO: Maybe recheck connections/IBD and (if something wrong) send an expires-immediately template to stop miners?
}
// Update block
static CBlockIndex* pindexPrev;
static int64_t nStart;
static std::unique_ptr<CBlockTemplate> pblocktemplate;
if (pindexPrev != chainActive.Tip() ||
(mempool.GetTransactionsUpdated() != nTransactionsUpdatedLast && GetTime() - nStart > 5))
{
// Clear pindexPrev so future calls make a new block, despite any failures from here on
pindexPrev = nullptr;
// Store the chainActive.Tip() used before CreateNewBlock, to avoid races
nTransactionsUpdatedLast = mempool.GetTransactionsUpdated();
CBlockIndex* pindexPrevNew = chainActive.Tip();
nStart = GetTime();
// Create new block
CScript scriptDummy = CScript() << OP_TRUE;
pblocktemplate = BlockAssembler(Params()).CreateNewBlock(scriptDummy);
if (!pblocktemplate)
throw JSONRPCError(RPC_OUT_OF_MEMORY, "Out of memory");
// Need to update only after we know CreateNewBlock succeeded
pindexPrev = pindexPrevNew;
}
CBlock* pblock = &pblocktemplate->block; // pointer for convenience
const Consensus::Params& consensusParams = Params().GetConsensus();
// Update nTime
UpdateTime(pblock, consensusParams, pindexPrev);
pblock->nNonce = 0;
UniValue aCaps(UniValue::VARR); aCaps.push_back("proposal");
UniValue transactions(UniValue::VARR);
std::map<uint256, int64_t> setTxIndex;
int i = 0;
for (const auto& it : pblock->vtx) {
const CTransaction& tx = *it;
uint256 txHash = tx.GetHash();
setTxIndex[txHash] = i++;
if (tx.IsCoinBase())
continue;
UniValue entry(UniValue::VOBJ);
entry.push_back(Pair("data", EncodeHexTx(tx)));
entry.push_back(Pair("hash", txHash.GetHex()));
UniValue deps(UniValue::VARR);
BOOST_FOREACH (const CTxIn &in, tx.vin)
{
if (setTxIndex.count(in.prevout.hash))
deps.push_back(setTxIndex[in.prevout.hash]);
}
entry.push_back(Pair("depends", deps));
int index_in_template = i - 1;
entry.push_back(Pair("fee", pblocktemplate->vTxFees[index_in_template]));
entry.push_back(Pair("sigops", pblocktemplate->vTxSigOps[index_in_template]));
transactions.push_back(entry);
}
UniValue aux(UniValue::VOBJ);
aux.push_back(Pair("flags", HexStr(COINBASE_FLAGS.begin(), COINBASE_FLAGS.end())));
arith_uint256 hashTarget = arith_uint256().SetCompact(pblock->nBits);
UniValue aMutable(UniValue::VARR);
aMutable.push_back("time");
aMutable.push_back("transactions");
aMutable.push_back("prevblock");
UniValue result(UniValue::VOBJ);
result.push_back(Pair("capabilities", aCaps));
UniValue aRules(UniValue::VARR);
UniValue vbavailable(UniValue::VOBJ);
for (int j = 0; j < (int)Consensus::MAX_VERSION_BITS_DEPLOYMENTS; ++j) {
Consensus::DeploymentPos pos = Consensus::DeploymentPos(j);
ThresholdState state = VersionBitsState(pindexPrev, consensusParams, pos, versionbitscache);
switch (state) {
case THRESHOLD_DEFINED:
case THRESHOLD_FAILED:
// Not exposed to GBT at all
break;
case THRESHOLD_LOCKED_IN:
// Ensure bit is set in block version
pblock->nVersion |= VersionBitsMask(consensusParams, pos);
// FALL THROUGH to get vbavailable set...
case THRESHOLD_STARTED:
{
const struct BIP9DeploymentInfo& vbinfo = VersionBitsDeploymentInfo[pos];
vbavailable.push_back(Pair(gbt_vb_name(pos), consensusParams.vDeployments[pos].bit));
if (setClientRules.find(vbinfo.name) == setClientRules.end()) {
if (!vbinfo.gbt_force) {
// If the client doesn't support this, don't indicate it in the [default] version
pblock->nVersion &= ~VersionBitsMask(consensusParams, pos);
}
}
break;
}
case THRESHOLD_ACTIVE:
{
// Add to rules only
const struct BIP9DeploymentInfo& vbinfo = VersionBitsDeploymentInfo[pos];
aRules.push_back(gbt_vb_name(pos));
if (setClientRules.find(vbinfo.name) == setClientRules.end()) {
// Not supported by the client; make sure it's safe to proceed
if (!vbinfo.gbt_force) {
// If we do anything other than throw an exception here, be sure version/force isn't sent to old clients
throw JSONRPCError(RPC_INVALID_PARAMETER, strprintf("Support for '%s' rule requires explicit client support", vbinfo.name));
}
}
break;
}
}
}
result.push_back(Pair("version", pblock->nVersion));
result.push_back(Pair("rules", aRules));
result.push_back(Pair("vbavailable", vbavailable));
result.push_back(Pair("vbrequired", int(0)));
if (nMaxVersionPreVB >= 2) {
// If VB is supported by the client, nMaxVersionPreVB is -1, so we won't get here
// Because BIP 34 changed how the generation transaction is serialized, we can only use version/force back to v2 blocks
// This is safe to do [otherwise-]unconditionally only because we are throwing an exception above if a non-force deployment gets activated
// Note that this can probably also be removed entirely after the first BIP9 non-force deployment (ie, probably segwit) gets activated
aMutable.push_back("version/force");
}
result.push_back(Pair("previousblockhash", pblock->hashPrevBlock.GetHex()));
result.push_back(Pair("transactions", transactions));
result.push_back(Pair("coinbaseaux", aux));
result.push_back(Pair("coinbasevalue", (int64_t)pblock->vtx[0]->GetValueOut()));
result.push_back(Pair("longpollid", chainActive.Tip()->GetBlockHash().GetHex() + i64tostr(nTransactionsUpdatedLast)));
result.push_back(Pair("target", hashTarget.GetHex()));
result.push_back(Pair("mintime", (int64_t)pindexPrev->GetMedianTimePast()+1));
result.push_back(Pair("mutable", aMutable));
result.push_back(Pair("noncerange", "00000000ffffffff"));
result.push_back(Pair("sigoplimit", (int64_t)MaxBlockSigOps(fDIP0001ActiveAtTip)));
result.push_back(Pair("sizelimit", (int64_t)MaxBlockSize(fDIP0001ActiveAtTip)));
result.push_back(Pair("curtime", pblock->GetBlockTime()));
result.push_back(Pair("bits", strprintf("%08x", pblock->nBits)));
result.push_back(Pair("previousbits", strprintf("%08x", pblocktemplate->nPrevBits)));
result.push_back(Pair("height", (int64_t)(pindexPrev->nHeight+1)));
UniValue masternodeObj(UniValue::VARR);
for (const auto& txout : pblocktemplate->voutMasternodePayments) {
CTxDestination address1;
ExtractDestination(txout.scriptPubKey, address1);
CBitcoinAddress address2(address1);
UniValue obj(UniValue::VOBJ);
obj.push_back(Pair("payee", address2.ToString().c_str()));
obj.push_back(Pair("script", HexStr(txout.scriptPubKey)));
obj.push_back(Pair("amount", txout.nValue));
masternodeObj.push_back(obj);
}
result.push_back(Pair("masternode", masternodeObj));
result.push_back(Pair("masternode_payments_started", pindexPrev->nHeight + 1 > consensusParams.nMasternodePaymentsStartBlock));
result.push_back(Pair("masternode_payments_enforced", deterministicMNManager->IsDeterministicMNsSporkActive() || sporkManager.IsSporkActive(SPORK_8_MASTERNODE_PAYMENT_ENFORCEMENT)));
UniValue superblockObjArray(UniValue::VARR);
if(pblocktemplate->voutSuperblockPayments.size()) {
for (const auto& txout : pblocktemplate->voutSuperblockPayments) {
UniValue entry(UniValue::VOBJ);
CTxDestination address1;
ExtractDestination(txout.scriptPubKey, address1);
CBitcoinAddress address2(address1);
entry.push_back(Pair("payee", address2.ToString().c_str()));
entry.push_back(Pair("script", HexStr(txout.scriptPubKey)));
entry.push_back(Pair("amount", txout.nValue));
superblockObjArray.push_back(entry);
}
}
result.push_back(Pair("superblock", superblockObjArray));
result.push_back(Pair("superblocks_started", pindexPrev->nHeight + 1 > consensusParams.nSuperblockStartBlock));
result.push_back(Pair("superblocks_enabled", sporkManager.IsSporkActive(SPORK_9_SUPERBLOCKS_ENABLED)));
result.push_back(Pair("coinbase_payload", HexStr(pblock->vtx[0]->vExtraPayload)));
return result;
}
void ProcessMessageAlphanodePayments(CNode* pfrom, std::string& strCommand, CDataStream& vRecv)
{
if(!darkSendPool.IsBlockchainSynced()) return;
if (strCommand == "mnget") { //Alpha Node Payments Request Sync
if(pfrom->HasFulfilledRequest("mnget")) {
LogPrintf("mnget - peer already asked me for the list\n");
Misbehaving(pfrom->GetId(), 20);
return;
}
pfrom->FulfilledRequest("mnget");
alphanodePayments.Sync(pfrom);
LogPrintf("mnget - Sent Alpha Node winners to %s\n", pfrom->addr.ToString().c_str());
}
else if (strCommand == "mnw") { //Alpha Node Payments Declare Winner
LOCK(cs_alphanodepayments);
//this is required in litemode
CAlphanodePaymentWinner winner;
vRecv >> winner;
if(pindexBest == NULL) return;
CTxDestination address1;
ExtractDestination(winner.payee, address1);
CTaoAddress address2(address1);
uint256 hash = winner.GetHash();
if(mapSeenAlphanodeVotes.count(hash)) {
if(fDebug) LogPrintf("mnw - seen vote %s Addr %s Height %d bestHeight %d\n", hash.ToString().c_str(), address2.ToString().c_str(), winner.nBlockHeight, pindexBest->nHeight);
return;
}
if(winner.nBlockHeight < pindexBest->nHeight - 10 || winner.nBlockHeight > pindexBest->nHeight+20){
LogPrintf("mnw - winner out of range %s Addr %s Height %d bestHeight %d\n", winner.vin.ToString().c_str(), address2.ToString().c_str(), winner.nBlockHeight, pindexBest->nHeight);
return;
}
if(winner.vin.nSequence != std::numeric_limits<unsigned int>::max()){
LogPrintf("mnw - invalid nSequence\n");
Misbehaving(pfrom->GetId(), 100);
return;
}
LogPrintf("mnw - winning vote - Vin %s Addr %s Height %d bestHeight %d\n", winner.vin.ToString().c_str(), address2.ToString().c_str(), winner.nBlockHeight, pindexBest->nHeight);
if(!alphanodePayments.CheckSignature(winner)){
LogPrintf("mnw - invalid signature\n");
Misbehaving(pfrom->GetId(), 100);
return;
}
mapSeenAlphanodeVotes.insert(make_pair(hash, winner));
if(alphanodePayments.AddWinningAlphanode(winner)){
alphanodePayments.Relay(winner);
}
}
int
main(int argc, char *argv[])
{
Args args(argc, argv, "HOST KEY");
const char *host = args.ExpectNext();
const char *key = args.ExpectNext();
StaticSocketAddress address;
if (!address.Lookup(host, "5597", SOCK_DGRAM)) {
fprintf(stderr, "Failed to look up: %s\n", host);
return EXIT_FAILURE;
}
#ifdef HAVE_SKYLINES_TRACKING_HANDLER
InitialiseIOThread();
#endif
SkyLinesTracking::Client client;
#ifdef HAVE_SKYLINES_TRACKING_HANDLER
client.SetIOThread(io_thread);
Handler handler;
client.SetHandler(&handler);
#endif
IPv4Address address2(1,2,3,4,1234);
client.SetKey(ParseUint64(key, NULL, 16));
if (!client.Open(address2)) {
fprintf(stderr, "Failed to create client\n");
return EXIT_FAILURE;
}
if (args.IsEmpty() || StringIsEqual(args.PeekNext(), "fix")) {
NMEAInfo basic;
basic.Reset();
basic.UpdateClock();
basic.time = fixed(1);
basic.time_available.Update(basic.clock);
return client.SendFix(basic) ? EXIT_SUCCESS : EXIT_FAILURE;
} else if (StringIsEqual(args.PeekNext(), "ping")) {
client.SendPing(1);
#ifdef HAVE_SKYLINES_TRACKING_HANDLER
handler.Wait();
#endif
} else if (StringIsEqual(args.PeekNext(), "traffic")) {
client.SendTrafficRequest(true, true);
#ifdef HAVE_SKYLINES_TRACKING_HANDLER
handler.Wait();
#endif
} else {
DebugReplay *replay = CreateDebugReplay(args);
if (replay == NULL)
return EXIT_FAILURE;
while (replay->Next()) {
client.SendFix(replay->Basic());
usleep(100000);
}
}
#ifdef HAVE_SKYLINES_TRACKING_HANDLER
client.Close();
DeinitialiseIOThread();
#endif
return EXIT_SUCCESS;
}
bool CSuperblock::IsValid(const CTransaction& txNew, int nBlockHeight, CAmount blockReward)
{
// TODO : LOCK(cs);
// No reason for a lock here now since this method only accesses data
// internal to *this and since CSuperblock's are accessed only through
// shared pointers there's no way our object can get deleted while this
// code is running.
if (!IsValidBlockHeight(nBlockHeight)) {
LogPrintf("CSuperblock::IsValid -- ERROR: Block invalid, incorrect block height\n");
return false;
}
std::string strPayeesPossible = "";
// CONFIGURE SUPERBLOCK OUTPUTS
int nOutputs = txNew.vout.size();
int nPayments = CountPayments();
int nMinerAndMasternodePayments = nOutputs - nPayments;
LogPrint("gobject", "CSuperblock::IsValid -- nOutputs = %d, nPayments = %d, GetDataAsHexString = %s\n",
nOutputs, nPayments, GetGovernanceObject()->GetDataAsHexString());
// We require an exact match (including order) between the expected
// superblock payments and the payments actually in the block.
if (nMinerAndMasternodePayments < 0) {
// This means the block cannot have all the superblock payments
// so it is not valid.
// TODO: could that be that we just hit coinbase size limit?
LogPrintf("CSuperblock::IsValid -- ERROR: Block invalid, too few superblock payments\n");
return false;
}
// payments should not exceed limit
CAmount nPaymentsTotalAmount = GetPaymentsTotalAmount();
CAmount nPaymentsLimit = GetPaymentsLimit(nBlockHeight);
if (nPaymentsTotalAmount > nPaymentsLimit) {
LogPrintf("CSuperblock::IsValid -- ERROR: Block invalid, payments limit exceeded: payments %lld, limit %lld\n", nPaymentsTotalAmount, nPaymentsLimit);
return false;
}
// miner and masternodes should not get more than they would usually get
CAmount nBlockValue = txNew.GetValueOut();
if (nBlockValue > blockReward + nPaymentsTotalAmount) {
LogPrintf("CSuperblock::IsValid -- ERROR: Block invalid, block value limit exceeded: block %lld, limit %lld\n", nBlockValue, blockReward + nPaymentsTotalAmount);
return false;
}
int nVoutIndex = 0;
for (int i = 0; i < nPayments; i++) {
CGovernancePayment payment;
if (!GetPayment(i, payment)) {
// This shouldn't happen so log a warning
LogPrintf("CSuperblock::IsValid -- WARNING: Failed to find payment: %d of %d total payments\n", i, nPayments);
continue;
}
bool fPaymentMatch = false;
for (int j = nVoutIndex; j < nOutputs; j++) {
// Find superblock payment
fPaymentMatch = ((payment.script == txNew.vout[j].scriptPubKey) &&
(payment.nAmount == txNew.vout[j].nValue));
if (fPaymentMatch) {
nVoutIndex = j;
break;
}
}
if (!fPaymentMatch) {
// Superblock payment not found!
CTxDestination address1;
ExtractDestination(payment.script, address1);
CBitcoinAddress address2(address1);
LogPrintf("CSuperblock::IsValid -- ERROR: Block invalid: %d payment %d to %s not found\n", i, payment.nAmount, address2.ToString());
return false;
}
}
return true;
}
