// get information of sync-checkpoint
Value getcheckpoint(const Array& params, bool fHelp)
{
if (fHelp || params.size() != 0)
throw runtime_error(
"getcheckpoint\n"
"Show info of synchronized checkpoint.\n");
Object result;
CBlockIndex* pindexCheckpoint;
result.push_back(Pair("synccheckpoint", Checkpoints::hashSyncCheckpoint.ToString().c_str()));
pindexCheckpoint = mapBlockIndex[Checkpoints::hashSyncCheckpoint];
result.push_back(Pair("height", pindexCheckpoint->nHeight));
result.push_back(Pair("timestamp", DateTimeStrFormat(pindexCheckpoint->GetBlockTime()).c_str()));
if (Checkpoints::checkpointMessage.vchSig.size() != 0)
{
Object msgdata;
CUnsignedSyncCheckpoint checkpoint;
CDataStream sMsg(Checkpoints::checkpointMessage.vchMsg, SER_NETWORK, PROTOCOL_VERSION);
sMsg >> checkpoint;
Object parsed; // message version and data (block hash)
parsed.push_back(Pair("version", checkpoint.nVersion));
parsed.push_back(Pair("hash", checkpoint.hashCheckpoint.GetHex().c_str()));
msgdata.push_back(Pair("parsed", parsed));
Object raw; // raw checkpoint message data
raw.push_back(Pair("data", HexStr(Checkpoints::checkpointMessage.vchMsg).c_str()));
raw.push_back(Pair("signature", HexStr(Checkpoints::checkpointMessage.vchSig).c_str()));
msgdata.push_back(Pair("raw", raw));
result.push_back(Pair("data", msgdata));
}
Value sendcheckpoint(const Array& params, bool fHelp)
{
if (fHelp || params.size() != 1)
throw runtime_error(
"sendcheckpoint <blockhash>\n"
"Send a synchronized checkpoint.\n");
if (!mapArgs.count("-checkpointkey") || CSyncCheckpoint::strMasterPrivKey.empty())
throw runtime_error("Not a checkpointmaster node, first set checkpointkey in configuration and restart client. ");
std::string strHash = params[0].get_str();
uint256 hash(strHash);
if (!SendSyncCheckpoint(hash))
throw runtime_error("Failed to send checkpoint, check log. ");
Object result;
CBlockIndex* pindexCheckpoint;
result.push_back(Pair("synccheckpoint", hashSyncCheckpoint.ToString().c_str()));
if (mapBlockIndex.count(hashSyncCheckpoint))
{
pindexCheckpoint = mapBlockIndex[hashSyncCheckpoint];
result.push_back(Pair("height", pindexCheckpoint->nHeight));
result.push_back(Pair("timestamp", (boost::int64_t) pindexCheckpoint->GetBlockTime()));
}
result.push_back(Pair("subscribemode", IsSyncCheckpointEnforced()? "enforce" : "advisory"));
if (mapArgs.count("-checkpointkey"))
result.push_back(Pair("checkpointmaster", true));
return result;
}
// Return average network hashes per second based on the last 'lookup' blocks,
// or from the last difficulty change if 'lookup' is nonpositive.
// If 'height' is nonnegative, compute the estimate at the time when a given block was found.
Value GetNetworkHashPS(int lookup, int height) {
CBlockIndex *pb = pindexBest;
if (height >= 0 && height < nBestHeight)
pb = FindBlockByHeight(height);
if (pb == NULL || !pb->nHeight)
return 0;
// If lookup is -1, then use blocks since last difficulty change.
if (lookup <= 0)
lookup = pb->nHeight % 2016 + 1;
// If lookup is larger than chain, then set it to chain length.
if (lookup > pb->nHeight)
lookup = pb->nHeight;
double sum = 0.0;
for (int i = 0; i < lookup; i++)
{
sum += (pb->GetBlockTime() - pb->pprev->GetBlockTime()) / GetDifficulty(pb);
pb = pb->pprev;
}
return (boost::int64_t)(pow(2.0, 32) / (sum / lookup));
}
/*
* 获取最近 N个块状态信息: getpolopointsstate param
*
* */
Value getpolopointsstate(const Array& params, bool fHelp)
{
if (fHelp || params.size() != 1)
throw runtime_error(
"getpolopointsstate \"num\"\n"
"\nget state data about the recently blocks.\n"
"\nArguments:\n"
"1.num (numeric,required, > 0) The number of the recently blocks.\n"
"\nResult:\n"
"{\n"
" \"blocktime\": n, (numeric)get the time of each block\n"
" \"difficulty\": n, (numeric)get the difficulty of each block\n"
" \"transactions\": n, (numeric)get the transactions of each block\n"
" \"fuel\": n, (numeric)get fuel of each block\n"
" \"blockminer\": n, (numeric)get the miner of each block\n"
"}\n"
"\nExamples:\n"
+ HelpExampleCli("getpolopointsstate", "\"5\"")
+ HelpExampleRpc("getpolopointsstate", "\"5\"")
);
int i = 0,nHeight = 0;
if (int_type == params[0].type()) {
nHeight = params[0].get_int();
if(nHeight < 1)
throw runtime_error("Block number out of range.");
if(nHeight > chainActive.Height())
{ //防止超过最大高度
nHeight = chainActive.Height();
}
}
CBlockIndex * pBlockIndex = chainActive.Tip();
CBlock block;
Array blocktime;
Array difficulty;
Array transactions;
Array fuel;
Array blockminer;
for (i = 0; (i < nHeight) && (pBlockIndex != NULL); i++) {
blocktime.push_back(pBlockIndex->GetBlockTime());
difficulty.push_back(GetDifficulty(pBlockIndex));
transactions.push_back((int)pBlockIndex->nTx);
fuel.push_back(pBlockIndex->nFuel);
block.SetNull();
if(ReadBlockFromDisk(block, pBlockIndex))
{
string miner(boost::get<CRegID>(dynamic_pointer_cast<CRewardTransaction>(block.vptx[0])->account).ToString());
blockminer.push_back(move(miner));
}
pBlockIndex = pBlockIndex->pprev;
}
Object obj;
obj.push_back(Pair("blocktime", blocktime));
obj.push_back(Pair("difficulty", difficulty));
obj.push_back(Pair("transactions", transactions));
obj.push_back(Pair("fuel", fuel));
obj.push_back(Pair("blockminer",blockminer));
return obj;
}
// apexcoin: get information of sync-checkpoint
Value getcheckpoint(const Array& params, bool fHelp)
{
if (fHelp || params.size() != 0)
throw runtime_error(
"getcheckpoint\n"
"Show info of synchronized checkpoint.\n");
Object result;
CBlockIndex* pindexCheckpoint;
result.push_back(Pair("synccheckpoint", Checkpoints::hashSyncCheckpoint.ToString().c_str()));
pindexCheckpoint = mapBlockIndex[Checkpoints::hashSyncCheckpoint];
result.push_back(Pair("height", pindexCheckpoint->nHeight));
result.push_back(Pair("timestamp", DateTimeStrFormat(pindexCheckpoint->GetBlockTime()).c_str()));
// Check that the block satisfies synchronized checkpoint
if (CheckpointsMode == Checkpoints::STRICT)
result.push_back(Pair("policy", "strict"));
if (CheckpointsMode == Checkpoints::ADVISORY)
result.push_back(Pair("policy", "advisory"));
if (CheckpointsMode == Checkpoints::PERMISSIVE)
result.push_back(Pair("policy", "permissive"));
if (mapArgs.count("-checkpointkey"))
result.push_back(Pair("checkpointmaster", true));
return result;
}
double GetPoWKHashPM()
{
int nPoWInterval = 72;
int64_t nTargetSpacingWorkMin = 30, nTargetSpacingWork = 30;
CBlockIndex* pindex = pindexGenesisBlock;
CBlockIndex* pindexPrevWork = pindexGenesisBlock;
while (pindex)
{
int64_t nActualSpacingWork = pindex->GetBlockTime() - pindexPrevWork->GetBlockTime();
nTargetSpacingWork = ((nPoWInterval - 1) * nTargetSpacingWork + nActualSpacingWork + nActualSpacingWork) / (nPoWInterval + 1);
nTargetSpacingWork = max(nTargetSpacingWork, nTargetSpacingWorkMin);
pindexPrevWork = pindex;
pindex = pindex->pnext;
}
return (GetDifficulty() * 1024 * 4294.967296 / nTargetSpacingWork) * 60; // 60= sec to min, 1024= standard scrypt work to scrypt^2
}
double GetPoWMHashPS()
{
if (GetBoolArg("-testnet")){
if (pindexBest->nHeight >= P1_End_TestNet && pindexBest->nHeight < P2_Start_TestNet){
return 0;
} else if (pindexBest->nHeight > P2_End_TestNet){
return 0;
}
}else {
if (pindexBest->nHeight >= P1_End && pindexBest->nHeight < P2_Start){
return 0;
} else if (pindexBest->nHeight > P2_End){
return 0;
}
}
int nPoWInterval = 72;
int64_t nTargetSpacingWorkMin = 30, nTargetSpacingWork = 30;
CBlockIndex* pindex = pindexGenesisBlock;
CBlockIndex* pindexPrevWork = pindexGenesisBlock;
while (pindex)
{
if (pindex->IsProofOfWork())
{
int64_t nActualSpacingWork = pindex->GetBlockTime() - pindexPrevWork->GetBlockTime();
nTargetSpacingWork = ((nPoWInterval - 1) * nTargetSpacingWork + nActualSpacingWork + nActualSpacingWork) / (nPoWInterval + 1);
nTargetSpacingWork = max(nTargetSpacingWork, nTargetSpacingWorkMin);
pindexPrevWork = pindex;
}
pindex = pindex->pnext;
}
return GetDifficulty() * 4294.967296 / nTargetSpacingWork;
}
double GetPoWMHashPS()
{
int nPoWInterval = 72;
int64 nTargetSpacingWorkMin = 30, nTargetSpacingWork = 30;
CBlockIndex* pindex = pindexGenesisBlock;
CBlockIndex* pindexPrevWork = pindexGenesisBlock;
while (pindex)
{
if (pindex->IsProofOfWork())
{
int64 nActualSpacingWork = pindex->GetBlockTime() - pindexPrevWork->GetBlockTime();
nTargetSpacingWork = ((nPoWInterval - 1) * nTargetSpacingWork + nActualSpacingWork + nActualSpacingWork) / (nPoWInterval + 1);
nTargetSpacingWork = max(nTargetSpacingWork, nTargetSpacingWorkMin);
pindexPrevWork = pindex;
}
pindex = pindex->pnext;
}
return GetDifficulty() * 4294.967296 / nTargetSpacingWork;
}
void TxToJSON(const CTransaction& tx, const uint256 hashBlock, UniValue& entry)
{
// Call into TxToUniv() in bitcoin-common to decode the transaction hex.
//
// Blockchain contextual information (confirmations and blocktime) is not
// available to code in bitcoin-common, so we query them here and push the
// data into the returned UniValue.
TxToUniv(tx, uint256(), entry, true, RPCSerializationFlags());
if (!hashBlock.IsNull()) {
entry.push_back(Pair("blockhash", hashBlock.GetHex()));
BlockMap::iterator mi = mapBlockIndex.find(hashBlock);
if (mi != mapBlockIndex.end() && (*mi).second) {
CBlockIndex* pindex = (*mi).second;
if (chainActive.Contains(pindex)) {
entry.push_back(Pair("confirmations", 1 + chainActive.Height() - pindex->nHeight));
entry.push_back(Pair("time", pindex->GetBlockTime()));
entry.push_back(Pair("blocktime", pindex->GetBlockTime()));
}
else
entry.push_back(Pair("confirmations", 0));
}
}
}
// ppcoin: get information of sync-checkpoint
Value getcheckpoint(const Array& params, bool fHelp)
{
if (fHelp || params.size() != 0)
throw runtime_error(
"getcheckpoint\n"
"Show info of synchronized checkpoint.\n");
Object result;
CBlockIndex* pindexCheckpoint;
result.push_back(Pair("synccheckpoint", Checkpoints::hashSyncCheckpoint.ToString().c_str()));
pindexCheckpoint = mapBlockIndex[Checkpoints::hashSyncCheckpoint];
result.push_back(Pair("height", pindexCheckpoint->nHeight));
result.push_back(Pair("timestamp", DateTimeStrFormat(pindexCheckpoint->GetBlockTime()).c_str()));
if (mapArgs.count("-checkpointkey"))
result.push_back(Pair("checkpointmaster", true));
return result;
}
// Litecoin: Return average network hashes per second based on last number of blocks.
Value GetNetworkHashPS(int lookup) {
if (pindexBest == NULL)
return 0;
// If lookup is -1, then use blocks since last difficulty change.
if (lookup <= 0)
lookup = pindexBest->nHeight % 2016 + 1;
// If lookup is larger than chain, then set it to chain length.
if (lookup > pindexBest->nHeight)
lookup = pindexBest->nHeight;
CBlockIndex* pindexPrev = pindexBest;
for (int i = 0; i < lookup; i++)
pindexPrev = pindexPrev->pprev;
double timeDiff = pindexBest->GetBlockTime() - pindexPrev->GetBlockTime();
double timePerBlock = timeDiff / lookup;
return (boost::int64_t)(((double)GetDifficulty() * pow(2.0, 32)) / timePerBlock);
}
Value peggypayments(const Array& params, bool fHelp)
{
if (fHelp || params.size() < 1)
throw runtime_error(
"peggypayments <block height>\n"
"Shows all redeems for a certain block: \n"
"(-1 for latest block)\n"
);
int64_t nHeight, nBlockTime;
nHeight = params[0].get_int64();
if(nHeight != -1){
if(nHeight < nMinPeggyHeight || nHeight > pindexBest->nHeight)
throw runtime_error(
"peggypayments <block height> <block time>\n"
"the block height you entered is not a peggy block, or the height is out of range\n"
);
CBlockIndex *pindex = FindBlockByHeight(nHeight);
nHeight = pindex->nHeight;
nBlockTime = pindex->GetBlockTime();
}
else{
nHeight = pindexBest->nHeight;
nBlockTime = pindexBest->GetBlockTime();
}
CWallet wallet;
char *paymentScript = peggypayments(nHeight, nBlockTime);
//char *priceFeedHash = peggybase(nHeight, nBlockTime);
std::string retVal = std::string(paymentScript);
free(paymentScript);
return std::string(paymentScript);
}
uint64_t GetNetworkHashPS( int lookup )
{
if( !pindexBest )
return 0;
if( lookup < 0 )
lookup = 0;
// If lookup is larger than chain, then set it to chain length.
if( lookup > pindexBest->nHeight )
lookup = pindexBest->nHeight;
CBlockIndex *pindexPrev = pindexBest;
for( int i = 0; i < lookup; ++i )
pindexPrev = pindexPrev->pprev;
double timeDiff = pindexBest->GetBlockTime() - pindexPrev->GetBlockTime();
double timePerBlock = timeDiff / lookup;
return (uint64_t)(((double)GetDifficulty() * pow(2.0, 32)) / timePerBlock);
}
// RPC commands related to sync checkpoints
// get information of sync-checkpoint (first introduced in ppcoin)
Value getcheckpoint(const Array& params, bool fHelp)
{
if (fHelp || params.size() != 0)
throw runtime_error(
"getcheckpoint\n"
"Show info of synchronized checkpoint.\n");
Object result;
CBlockIndex* pindexCheckpoint;
result.push_back(Pair("synccheckpoint", hashSyncCheckpoint.ToString().c_str()));
if (mapBlockIndex.count(hashSyncCheckpoint))
{
pindexCheckpoint = mapBlockIndex[hashSyncCheckpoint];
result.push_back(Pair("height", pindexCheckpoint->nHeight));
result.push_back(Pair("timestamp", (boost::int64_t) pindexCheckpoint->GetBlockTime()));
}
result.push_back(Pair("subscribemode", IsSyncCheckpointEnforced()? "enforce" : "advisory"));
if (mapArgs.count("-checkpointkey"))
result.push_back(Pair("checkpointmaster", true));
return result;
}
void TxToJSON(const CTransaction& tx, const uint256 hashBlock, UniValue& entry)
{
entry.push_back(Pair("txid", tx.GetHash().GetHex()));
entry.push_back(Pair("hash", tx.GetWitnessHash().GetHex()));
entry.push_back(Pair("size", (int)::GetSerializeSize(tx, SER_NETWORK, PROTOCOL_VERSION)));
entry.push_back(Pair("vsize", (int)::GetVirtualTransactionSize(tx)));
entry.push_back(Pair("version", tx.nVersion));
entry.push_back(Pair("locktime", (int64_t)tx.nLockTime));
UniValue vin(UniValue::VARR);
for (unsigned int i = 0; i < tx.vin.size(); i++) {
const CTxIn& txin = tx.vin[i];
UniValue in(UniValue::VOBJ);
if (tx.IsCoinBase())
in.push_back(Pair("coinbase", HexStr(txin.scriptSig.begin(), txin.scriptSig.end())));
else {
in.push_back(Pair("txid", txin.prevout.hash.GetHex()));
in.push_back(Pair("vout", (int64_t)txin.prevout.n));
UniValue o(UniValue::VOBJ);
o.push_back(Pair("asm", ScriptToAsmStr(txin.scriptSig, true)));
o.push_back(Pair("hex", HexStr(txin.scriptSig.begin(), txin.scriptSig.end())));
in.push_back(Pair("scriptSig", o));
}
if (!tx.wit.IsNull()) {
if (!tx.wit.vtxinwit[i].IsNull()) {
UniValue txinwitness(UniValue::VARR);
for (unsigned int j = 0; j < tx.wit.vtxinwit[i].scriptWitness.stack.size(); j++) {
std::vector<unsigned char> item = tx.wit.vtxinwit[i].scriptWitness.stack[j];
txinwitness.push_back(HexStr(item.begin(), item.end()));
}
in.push_back(Pair("txinwitness", txinwitness));
}
}
in.push_back(Pair("sequence", (int64_t)txin.nSequence));
vin.push_back(in);
}
entry.push_back(Pair("vin", vin));
UniValue vout(UniValue::VARR);
for (unsigned int i = 0; i < tx.vout.size(); i++) {
const CTxOut& txout = tx.vout[i];
UniValue out(UniValue::VOBJ);
out.push_back(Pair("value", ValueFromAmount(txout.nValue)));
out.push_back(Pair("n", (int64_t)i));
UniValue o(UniValue::VOBJ);
ScriptPubKeyToJSON(txout.scriptPubKey, o, true);
out.push_back(Pair("scriptPubKey", o));
vout.push_back(out);
}
entry.push_back(Pair("vout", vout));
if (!hashBlock.IsNull()) {
entry.push_back(Pair("blockhash", hashBlock.GetHex()));
BlockMap::iterator mi = mapBlockIndex.find(hashBlock);
if (mi != mapBlockIndex.end() && (*mi).second) {
CBlockIndex* pindex = (*mi).second;
if (chainActive.Contains(pindex)) {
entry.push_back(Pair("confirmations", 1 + chainActive.Height() - pindex->nHeight));
entry.push_back(Pair("time", pindex->GetBlockTime()));
entry.push_back(Pair("blocktime", pindex->GetBlockTime()));
}
else
entry.push_back(Pair("confirmations", 0));
}
}
}
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;
}
Value getmininginfo(const Array& params, bool fHelp)
{
if (fHelp || params.size() != 0)
throw runtime_error(
"getmininginfo\n"
"Returns an object containing mining-related information.");
double dStakeKernelsTriedAvg = 0;
int nPoWInterval = 72, nPoSInterval = 72, nStakesHandled = 0, nStakesTime = 0;
int64 nTargetSpacingWorkMin = 2, nTargetSpacingWork = 2;
CBlockIndex* pindex = pindexGenesisBlock;
CBlockIndex* pindexPrevWork = pindexGenesisBlock;
CBlockIndex* pindexPrevStake = NULL;
while (pindex)
{
if (pindex->IsProofOfWork())
{
int64 nActualSpacingWork = pindex->GetBlockTime() - pindexPrevWork->GetBlockTime();
nTargetSpacingWork = ((nPoWInterval - 1) * nTargetSpacingWork + nActualSpacingWork + nActualSpacingWork) / (nPoWInterval + 1);
nTargetSpacingWork = max(nTargetSpacingWork, nTargetSpacingWorkMin);
pindexPrevWork = pindex;
}
pindex = pindex->pnext;
}
pindex = pindexBest;
while (pindex && nStakesHandled < nPoSInterval)
{
if (pindex->IsProofOfStake())
{
dStakeKernelsTriedAvg += GetDifficulty(pindex) * 4294967296;
nStakesTime += pindexPrevStake ? (pindexPrevStake->nTime - pindex->nTime) : 0;
pindexPrevStake = pindex;
nStakesHandled++;
}
pindex = pindex->pprev;
}
double dNetworkMhps = GetDifficulty() * 4294.967296 / nTargetSpacingWork;
double dNetworkWeight = dStakeKernelsTriedAvg / nStakesTime;
Object obj;
obj.push_back(Pair("blocks", (int)nBestHeight));
obj.push_back(Pair("currentblocksize",(uint64_t)nLastBlockSize));
obj.push_back(Pair("currentblocktx",(uint64_t)nLastBlockTx));
obj.push_back(Pair("difficulty", (double)GetDifficulty()));
obj.push_back(Pair("networkhashps", getnetworkhashps(params, false)));
//obj.push_back(Pair("blockvalue", (uint64_t)GetProofOfWorkReward(GetLastBlockIndex(pindexBest, false)->nBits)));
//obj.push_back(Pair("powmhashps", dNetworkMhps));
obj.push_back(Pair("netstakeweight", dNetworkWeight));
obj.push_back(Pair("errors", GetWarnings("statusbar")));
obj.push_back(Pair("pooledtx", (uint64_t)mempool.size()));
obj.push_back(Pair("belowweight", (uint64_t)pwalletMain->GetStakeWeight(*pwalletMain, STAKE_BELOWMIN)));
obj.push_back(Pair("stakeweight", (uint64_t)pwalletMain->GetStakeWeight(*pwalletMain, STAKE_NORMAL)));
obj.push_back(Pair("minweight", (uint64_t)pwalletMain->GetStakeWeight(*pwalletMain, STAKE_MINWEIGHT)));
obj.push_back(Pair("maxweight", (uint64_t)pwalletMain->GetStakeWeight(*pwalletMain, STAKE_MAXWEIGHT)));
obj.push_back(Pair("StakeReadytunes", ((uint64_t)pwalletMain->GetStakeWeight(*pwalletMain, STAKE_NORMAL))/730));
//obj.push_back(Pair("stakeinterest", (uint64_t)GetProofOfStakeReward(0, GetLastBlockIndex(pindexBest, true)->nBits, GetLastBlockIndex(pindexBest, true)->nTime, true)));
obj.push_back(Pair("testnet", fTestNet));
return obj;
}
bool CBlock::AcceptBlock()
{
AssertLockHeld(cs_main);
if (nVersion > CURRENT_VERSION)
return DoS(100, error("AcceptBlock() : reject unknown block version %d", nVersion));
// Check for duplicate
uint256 hash = GetHash();
if (mapBlockIndex.count(hash))
return error("AcceptBlock() : block already in mapBlockIndex");
// Get prev block index
map<uint256, CBlockIndex*>::iterator mi = mapBlockIndex.find(hashPrevBlock);
if (mi == mapBlockIndex.end())
return DoS(10, error("AcceptBlock() : prev block not found"));
CBlockIndex* pindexPrev = (*mi).second;
int nHeight = pindexPrev->nHeight+1;
if (IsProofOfStake() && nHeight < Params().FirstPOSBlock())
return DoS(100, error("AcceptBlock() : reject proof-of-stake at height <= %d", nHeight));
// Check coinbase timestamp
if (GetBlockTime() > FutureDrift((int64_t)vtx[0].nTime, IsProofOfStake()))
return DoS(50, error("AcceptBlock() : coinbase timestamp is too early"));
// Check coinstake timestamp
if (IsProofOfStake() && !CheckCoinStakeTimestamp(nHeight, GetBlockTime(), (int64_t)vtx[1].nTime))
return DoS(50, error("AcceptBlock() : coinstake timestamp violation nTimeBlock=%d nTimeTx=%u", GetBlockTime(), vtx[1].nTime));
// Check proof-of-work or proof-of-stake
if (nBits != GetNextTargetRequired(pindexPrev, IsProofOfStake()))
return DoS(100, error("AcceptBlock() : incorrect %s", IsProofOfWork() ? "proof-of-work" : "proof-of-stake"));
// Check timestamp against prev
LogPrintf("GetBlockTime(): %d, <=? pindexPrev->GetPastTimeLimit(): %d\nFutureDrift(GetBlockTime()): %d, <?pindexPrev->GetBlockTime(): %d\n",GetBlockTime(),pindexPrev->GetPastTimeLimit(),FutureDrift(GetBlockTime()),pindexPrev->GetBlockTime());
if (GetBlockTime() <= pindexPrev->GetPastTimeLimit() || FutureDrift(GetBlockTime(), IsProofOfStake()) < pindexPrev->GetBlockTime())
return error("AcceptBlock() : block's timestamp is too early");
// Check that all transactions are finalized
BOOST_FOREACH(const CTransaction& tx, vtx)
if (!IsFinalTx(tx, nHeight, GetBlockTime()))
return DoS(10, error("AcceptBlock() : contains a non-final transaction"));
// Check that the block chain matches the known block chain up to a checkpoint
if (!Checkpoints::CheckHardened(nHeight, hash))
return DoS(100, error("AcceptBlock() : rejected by hardened checkpoint lock-in at %d", nHeight));
uint256 hashProof;
// Verify hash target and signature of coinstake tx
if (IsProofOfStake())
{
uint256 targetProofOfStake;
if (!CheckProofOfStake(pindexPrev, vtx[1], nBits, hashProof, targetProofOfStake))
{
return error("AcceptBlock() : check proof-of-stake failed for block %s", hash.ToString());
}
}
// PoW is checked in CheckBlock()
if (IsProofOfWork())
{
hashProof = GetPoWHash();
}
// Check that the block satisfies synchronized checkpoint
if (!Checkpoints::CheckSync(nHeight))
return error("AcceptBlock() : rejected by synchronized checkpoint");
// Enforce rule that the coinbase starts with serialized block height
CScript expect = CScript() << nHeight;
if (vtx[0].vin[0].scriptSig.size() < expect.size() ||
!std::equal(expect.begin(), expect.end(), vtx[0].vin[0].scriptSig.begin()))
return DoS(100, error("AcceptBlock() : block height mismatch in coinbase"));
// Write block to history file
if (!CheckDiskSpace(::GetSerializeSize(*this, SER_DISK, CLIENT_VERSION)))
return error("AcceptBlock() : out of disk space");
unsigned int nFile = -1;
unsigned int nBlockPos = 0;
if (!WriteToDisk(nFile, nBlockPos))
return error("AcceptBlock() : WriteToDisk failed");
if (!AddToBlockIndex(nFile, nBlockPos, hashProof))
return error("AcceptBlock() : AddToBlockIndex failed");
// Relay inventory, but don't relay old inventory during initial block download
int nBlockEstimate = Checkpoints::GetTotalBlocksEstimate();
if (hashBestChain == hash)
{
LOCK(cs_vNodes);
BOOST_FOREACH(CNode* pnode, vNodes)
if (nBestHeight > (pnode->nStartingHeight != -1 ? pnode->nStartingHeight - 2000 : nBlockEstimate))
pnode->PushInventory(CInv(MSG_BLOCK, hash));
}
//Catch the counter up with the chain
void CzPIVWallet::SyncWithChain(bool fGenerateMintPool)
{
uint32_t nLastCountUsed = 0;
bool found = true;
CWalletDB walletdb(strWalletFile);
set<uint256> setAddedTx;
while (found) {
found = false;
if (fGenerateMintPool)
GenerateMintPool();
LogPrintf("%s: Mintpool size=%d\n", __func__, mintPool.size());
std::set<uint256> setChecked;
list<pair<uint256,uint32_t> > listMints = mintPool.List();
for (pair<uint256, uint32_t> pMint : listMints) {
LOCK(cs_main);
if (setChecked.count(pMint.first))
return;
setChecked.insert(pMint.first);
if (ShutdownRequested())
return;
if (pwalletMain->zpivTracker->HasPubcoinHash(pMint.first)) {
mintPool.Remove(pMint.first);
continue;
}
uint256 txHash;
CZerocoinMint mint;
if (zerocoinDB->ReadCoinMint(pMint.first, txHash)) {
//this mint has already occurred on the chain, increment counter's state to reflect this
LogPrintf("%s : Found wallet coin mint=%s count=%d tx=%s\n", __func__, pMint.first.GetHex(), pMint.second, txHash.GetHex());
found = true;
uint256 hashBlock;
CTransaction tx;
if (!GetTransaction(txHash, tx, hashBlock, true)) {
LogPrintf("%s : failed to get transaction for mint %s!\n", __func__, pMint.first.GetHex());
found = false;
nLastCountUsed = std::max(pMint.second, nLastCountUsed);
continue;
}
//Find the denomination
CoinDenomination denomination = CoinDenomination::ZQ_ERROR;
bool fFoundMint = false;
CBigNum bnValue = 0;
for (const CTxOut& out : tx.vout) {
if (!out.scriptPubKey.IsZerocoinMint())
continue;
PublicCoin pubcoin(Params().Zerocoin_Params(false));
CValidationState state;
if (!TxOutToPublicCoin(out, pubcoin, state)) {
LogPrintf("%s : failed to get mint from txout for %s!\n", __func__, pMint.first.GetHex());
continue;
}
// See if this is the mint that we are looking for
uint256 hashPubcoin = GetPubCoinHash(pubcoin.getValue());
if (pMint.first == hashPubcoin) {
denomination = pubcoin.getDenomination();
bnValue = pubcoin.getValue();
fFoundMint = true;
break;
}
}
if (!fFoundMint || denomination == ZQ_ERROR) {
LogPrintf("%s : failed to get mint %s from tx %s!\n", __func__, pMint.first.GetHex(), tx.GetHash().GetHex());
found = false;
break;
}
CBlockIndex* pindex = nullptr;
if (mapBlockIndex.count(hashBlock))
pindex = mapBlockIndex.at(hashBlock);
if (!setAddedTx.count(txHash)) {
CBlock block;
CWalletTx wtx(pwalletMain, tx);
if (pindex && ReadBlockFromDisk(block, pindex))
wtx.SetMerkleBranch(block);
//Fill out wtx so that a transaction record can be created
wtx.nTimeReceived = pindex->GetBlockTime();
pwalletMain->AddToWallet(wtx);
setAddedTx.insert(txHash);
}
SetMintSeen(bnValue, pindex->nHeight, txHash, denomination);
nLastCountUsed = std::max(pMint.second, nLastCountUsed);
nCountLastUsed = std::max(nLastCountUsed, nCountLastUsed);
LogPrint("zero", "%s: updated count to %d\n", __func__, nCountLastUsed);
}
}
}
}
// Stake Modifier (hash modifier of proof-of-stake):
// The purpose of stake modifier is to prevent a txout (coin) owner from
// computing future proof-of-stake generated by this txout at the time
// of transaction confirmation. To meet kernel protocol, the txout
// must hash with a future stake modifier to generate the proof.
// Stake modifier consists of bits each of which is contributed from a
// selected block of a given block group in the past.
// The selection of a block is based on a hash of the block's proof-hash and
// the previous stake modifier.
// Stake modifier is recomputed at a fixed time interval instead of every
// block. This is to make it difficult for an attacker to gain control of
// additional bits in the stake modifier, even after generating a chain of
// blocks.
bool ComputeNextStakeModifier(const CBlockIndex* pindexPrev, uint64& nStakeModifier, bool& fGeneratedStakeModifier)
{
nStakeModifier = 0;
fGeneratedStakeModifier = false;
if (!pindexPrev)
{
fGeneratedStakeModifier = true;
return true; // genesis block's modifier is 0
}
// First find current stake modifier and its generation block time
// if it's not old enough, return the same stake modifier
if(modifierLast == NULL)
{
if (pindexPrev->GetBlockTime() < 1392281929 + nModifierInterval)
return true;
}
else
{
//printf("modifierLast = %i \n", modifierLast->nHeight);
if (fDebug)
printf("ComputeNextStakeModifier: prev modifier=0x%016"PRI64x" time=%s\n", nStakeModifier, DateTimeStrFormat(modifierLast->GetBlockTime()).c_str());
if (pindexPrev->GetBlockTime() < modifierLast->GetBlockTime() + nModifierInterval)
return true;
}
modifierLast = const_cast<CBlockIndex*>(pindexPrev);
// Sort candidate blocks by timestamp
vector<pair<int64, uint256> > vSortedByTimestamp;
vSortedByTimestamp.reserve(64 * nModifierInterval / nStakeTargetSpacing);
int64 nSelectionInterval = GetStakeModifierSelectionInterval();
int64 nSelectionIntervalStart = (pindexPrev->GetBlockTime() / nModifierInterval) * nModifierInterval - nSelectionInterval;
const CBlockIndex* pindex = pindexPrev;
while (pindex && pindex->GetBlockTime() >= nSelectionIntervalStart)
{
vSortedByTimestamp.push_back(make_pair(pindex->GetBlockTime(), pindex->GetBlockHash()));
pindex = pindex->pprev;
}
int nHeightFirstCandidate = pindex ? (pindex->nHeight + 1) : 0;
reverse(vSortedByTimestamp.begin(), vSortedByTimestamp.end());
sort(vSortedByTimestamp.begin(), vSortedByTimestamp.end());
// Select 64 blocks from candidate blocks to generate stake modifier
uint64 nStakeModifierNew = 0;
int64 nSelectionIntervalStop = nSelectionIntervalStart;
map<uint256, const CBlockIndex*> mapSelectedBlocks;
for (int nRound=0; nRound<min(6, (int)vSortedByTimestamp.size()); nRound++)
{
// add an interval section to the current selection round
nSelectionIntervalStop += GetStakeModifierSelectionIntervalSection(nRound);
// write the entropy bit of the selected block
pair<int64, uint256> ts = vSortedByTimestamp[nRound];
uint256 hash = ts.second;
std::map<uint256,CBlockIndex*>::iterator it;
it = mapBlockIndex.find(hash);
if(it != mapBlockIndex.end())
{
CBlockIndex* cBlock = it->second;
nStakeModifierNew |= (((uint64) cBlock->GetBlockTime()) >> nRound);
// add the selected block from candidates to selected list
mapSelectedBlocks.insert(make_pair(cBlock->GetBlockHash(), cBlock));
//if (fDebug)
//printf("ComputeNextStakeModifier: selected round %d stop=%s height=%d bit=%d\n",nRound, DateTimeStrFormat(nSelectionIntervalStop).c_str(), pindex->nHeight, pindex->GetStakeEntropyBit());
}
}
// pNut: list top prime chain within pnut network
Value listtopprimes(const Array& params, bool fHelp)
{
if (fHelp || params.size() < 1 || params.size() > 2)
throw runtime_error(
"listtopprimes <primechain length> [primechain type]\n"
"Returns the list of top prime chains in pnut network.\n"
"<primechain length> is integer like 10, 11, 12 etc.\n"
"[primechain type] is optional type, among 1CC, 2CC and TWN");
int nPrimeChainLength = params[0].get_int();
unsigned int nPrimeChainType = 0;
if (params.size() > 1)
{
std::string strPrimeChainType = params[1].get_str();
if (strPrimeChainType.compare("1CC") == 0)
nPrimeChainType = PRIME_CHAIN_CUNNINGHAM1;
else if (strPrimeChainType.compare("2CC") == 0)
nPrimeChainType = PRIME_CHAIN_CUNNINGHAM2;
else if (strPrimeChainType.compare("TWN") == 0)
nPrimeChainType = PRIME_CHAIN_BI_TWIN;
else
throw runtime_error("Prime chain type must be 1CC, 2CC or TWN.");
}
// Search for top prime chains
unsigned int nRankingSize = 10; // ranking list size
unsigned int nSortVectorSize = 64; // vector size for sort operation
CBigNum bnPrimeQualify = 0; // minimum qualify value for ranking list
vector<pair<CBigNum, uint256> > vSortedByOrigin;
for (CBlockIndex* pindex = pindexGenesisBlock; pindex; pindex = pindex->pnext)
{
if (nPrimeChainLength != (int) TargetGetLength(pindex->nPrimeChainLength))
continue; // length not matching, next block
if (nPrimeChainType && nPrimeChainType != pindex->nPrimeChainType)
continue; // type not matching, next block
CBlock block;
block.ReadFromDisk(pindex); // read block
CBigNum bnPrimeChainOrigin = CBigNum(block.GetHeaderHash()) * block.bnPrimeChainMultiplier; // compute prime chain origin
if (bnPrimeChainOrigin > bnPrimeQualify)
vSortedByOrigin.push_back(make_pair(bnPrimeChainOrigin, block.GetHash()));
if (vSortedByOrigin.size() >= nSortVectorSize)
{
// Sort prime chain candidates
sort(vSortedByOrigin.begin(), vSortedByOrigin.end());
reverse(vSortedByOrigin.begin(), vSortedByOrigin.end());
// Truncate candidate list
while (vSortedByOrigin.size() > nRankingSize)
vSortedByOrigin.pop_back();
// Update minimum qualify value for top prime chains
bnPrimeQualify = vSortedByOrigin.back().first;
}
}
// Final sort of prime chain candidates
sort(vSortedByOrigin.begin(), vSortedByOrigin.end());
reverse(vSortedByOrigin.begin(), vSortedByOrigin.end());
// Truncate candidate list
while (vSortedByOrigin.size() > nRankingSize)
vSortedByOrigin.pop_back();
// Output top prime chains
Array ret;
BOOST_FOREACH(const PAIRTYPE(CBigNum, uint256)& item, vSortedByOrigin)
{
CBigNum bnPrimeChainOrigin = item.first;
CBlockIndex* pindex = mapBlockIndex[item.second];
CBlock block;
block.ReadFromDisk(pindex); // read block
Object entry;
entry.push_back(Pair("time", DateTimeStrFormat("%Y-%m-%d %H:%M:%S UTC", pindex->GetBlockTime()).c_str()));
entry.push_back(Pair("epoch", (boost::int64_t) pindex->GetBlockTime()));
entry.push_back(Pair("height", pindex->nHeight));
entry.push_back(Pair("ismine", pwalletMain->IsMine(block.vtx[0])));
CTxDestination address;
entry.push_back(Pair("mineraddress", (block.vtx[0].vout.size() > 1)? "multiple" : ExtractDestination(block.vtx[0].vout[0].scriptPubKey, address)? CBitcoinAddress(address).ToString().c_str() : "invalid"));
entry.push_back(Pair("primedigit", (int) bnPrimeChainOrigin.ToString().length()));
entry.push_back(Pair("primechain", GetPrimeChainName(pindex->nPrimeChainType, pindex->nPrimeChainLength).c_str()));
entry.push_back(Pair("primeorigin", bnPrimeChainOrigin.ToString().c_str()));
entry.push_back(Pair("primorialform", GetPrimeOriginPrimorialForm(bnPrimeChainOrigin).c_str()));
ret.push_back(entry);
}
return ret;
}
BOOST_FIXTURE_TEST_CASE(rescan, TestChain100Setup)
{
LOCK(cs_main);
// Cap last block file size, and mine new block in a new block file.
CBlockIndex* oldTip = chainActive.Tip();
GetBlockFileInfo(oldTip->GetBlockPos().nFile)->nSize = MAX_BLOCKFILE_SIZE;
CreateAndProcessBlock({}, GetScriptForRawPubKey(coinbaseKey.GetPubKey()));
CBlockIndex* newTip = chainActive.Tip();
// Verify ScanForWalletTransactions picks up transactions in both the old
// and new block files.
{
CWallet wallet;
LOCK(wallet.cs_wallet);
wallet.AddKeyPubKey(coinbaseKey, coinbaseKey.GetPubKey());
BOOST_CHECK_EQUAL(oldTip, wallet.ScanForWalletTransactions(oldTip));
BOOST_CHECK_EQUAL(wallet.GetImmatureBalance(), 100 * COIN);
}
// Prune the older block file.
PruneOneBlockFile(oldTip->GetBlockPos().nFile);
UnlinkPrunedFiles({oldTip->GetBlockPos().nFile});
// Verify ScanForWalletTransactions only picks transactions in the new block
// file.
{
CWallet wallet;
LOCK(wallet.cs_wallet);
wallet.AddKeyPubKey(coinbaseKey, coinbaseKey.GetPubKey());
BOOST_CHECK_EQUAL(newTip, wallet.ScanForWalletTransactions(oldTip));
BOOST_CHECK_EQUAL(wallet.GetImmatureBalance(), 50 * COIN);
}
// Verify importmulti RPC returns failure for a key whose creation time is
// before the missing block, and success for a key whose creation time is
// after.
{
CWallet wallet;
CWallet *backup = ::pwalletMain;
::pwalletMain = &wallet;
UniValue keys;
keys.setArray();
UniValue key;
key.setObject();
key.pushKV("scriptPubKey", HexStr(GetScriptForRawPubKey(coinbaseKey.GetPubKey())));
key.pushKV("timestamp", 0);
key.pushKV("internal", UniValue(true));
keys.push_back(key);
key.clear();
key.setObject();
CKey futureKey;
futureKey.MakeNewKey(true);
key.pushKV("scriptPubKey", HexStr(GetScriptForRawPubKey(futureKey.GetPubKey())));
key.pushKV("timestamp", newTip->GetBlockTimeMax() + TIMESTAMP_WINDOW);
key.pushKV("internal", UniValue(true));
keys.push_back(key);
JSONRPCRequest request;
request.params.setArray();
request.params.push_back(keys);
UniValue response = importmulti(request);
BOOST_CHECK_EQUAL(response.write(), strprintf("[{\"success\":false,\"error\":{\"code\":-1,\"message\":\"Failed to rescan before time %d, transactions may be missing.\"}},{\"success\":true}]", newTip->GetBlockTimeMax()));
::pwalletMain = backup;
}
// Verify ScanForWalletTransactions does not return null when the scan is
// elided due to the nTimeFirstKey optimization.
{
CWallet wallet;
{
LOCK(wallet.cs_wallet);
wallet.UpdateTimeFirstKey(newTip->GetBlockTime() + 7200 + 1);
}
BOOST_CHECK_EQUAL(newTip, wallet.ScanForWalletTransactions(newTip));
}
}
