#include "kernel.h"
#include "bitcoinrpc.h"
+#include <boost/format.hpp>
+#include <boost/assign/list_of.hpp>
+#include <boost/iterator/counting_iterator.hpp>
+
using namespace json_spirit;
using namespace std;
extern uint256 nPoWBase;
+extern uint64_t nStakeInputsMapSize;
Value getsubsidy(const Array& params, bool fHelp)
{
"getmininginfo\n"
"Returns an object containing mining-related information.");
- float nKernelsRate = 0, nCoinDaysRate = 0;
- pwalletMain->GetStakeStats(nKernelsRate, nCoinDaysRate);
-
- Object obj, diff, weight;
+ Object obj, diff;
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", diff));
obj.push_back(Pair("blockvalue", (uint64_t)GetProofOfWorkReward(GetLastBlockIndex(pindexBest, false)->nBits)));
- obj.push_back(Pair("netmhashps", GetPoWMHashPS()));
- obj.push_back(Pair("netstakeweight", GetPoSKernelPS()));
+ obj.push_back(Pair("netmhashps", GetPoWMHashPS()));
+ obj.push_back(Pair("netstakeweight",GetPoSKernelPS()));
obj.push_back(Pair("errors", GetWarnings("statusbar")));
obj.push_back(Pair("pooledtx", (uint64_t)mempool.size()));
- weight.push_back(Pair("kernelsrate", nKernelsRate));
- weight.push_back(Pair("cdaysrate", nCoinDaysRate));
- obj.push_back(Pair("stakestats", weight));
+ obj.push_back(Pair("stakeinputs", (uint64_t)nStakeInputsMapSize));
+ obj.push_back(Pair("stakeinterest", GetProofOfStakeReward(0, GetLastBlockIndex(pindexBest, true)->nBits, GetLastBlockIndex(pindexBest, true)->nTime, true)));
- 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;
}
+// scaninput '{"txid":"95d640426fe66de866a8cf2d0601d2c8cf3ec598109b4d4ffa7fd03dad6d35ce","difficulty":0.01, "days":10}'
Value scaninput(const Array& params, bool fHelp)
{
- if (fHelp || params.size() > 4 || params.size() < 2)
+ if (fHelp || params.size() != 1)
throw runtime_error(
- "scaninput <txid> <nout> [difficulty] [days]\n"
- "Scan specified input for suitable kernel solutions.\n"
- " [difficulty] - upper limit for difficulty, current difficulty by default;\n"
- " [days] - time window, 365 days by default.\n"
+ "scaninput '{\"txid\":\"txid\", \"vout\":[vout1, vout2, ..., voutN], \"difficulty\":difficulty, \"days\":days}'\n"
+ "Scan specified transaction or input for suitable kernel solutions.\n"
+ " difficulty - upper limit for difficulty, current difficulty by default;\n"
+ " days - time window, 90 days by default.\n"
);
+ RPCTypeCheck(params, boost::assign::list_of(obj_type));
+
+ Object scanParams = params[0].get_obj();
+
+ const Value& txid_v = find_value(scanParams, "txid");
+ if (txid_v.type() != str_type)
+ throw JSONRPCError(RPC_INVALID_PARAMETER, "Invalid parameter, missing txid key");
- uint256 hash;
- hash.SetHex(params[0].get_str());
+ string txid = txid_v.get_str();
+ if (!IsHex(txid))
+ throw JSONRPCError(RPC_INVALID_PARAMETER, "Invalid parameter, expected hex txid");
- uint32_t nOut = params[1].get_int(), nBits = GetNextTargetRequired(pindexBest, true), nDays = 365;
+ uint256 hash(txid);
+ int32_t nDays = 90;
+ uint32_t nBits = GetNextTargetRequired(pindexBest, true);
- if (params.size() > 2)
+ const Value& diff_v = find_value(scanParams, "difficulty");
+ if (diff_v.type() == real_type || diff_v.type() == int_type)
{
+ double dDiff = diff_v.get_real();
+ if (dDiff <= 0)
+ throw JSONRPCError(RPC_INVALID_PARAMETER, "Invalid parameter, diff must be greater than zero");
+
CBigNum bnTarget(nPoWBase);
bnTarget *= 1000;
- bnTarget /= (int) (params[2].get_real() * 1000);
+ bnTarget /= (int) (dDiff * 1000);
nBits = bnTarget.GetCompact();
}
- if (params.size() > 3)
+ const Value& days_v = find_value(scanParams, "days");
+ if (days_v.type() == int_type)
{
- nDays = params[3].get_int();
+ nDays = days_v.get_int();
+ if (nDays <= 0)
+ throw JSONRPCError(RPC_INVALID_PARAMETER, "Invalid parameter, interval length must be greater than zero");
}
+
CTransaction tx;
uint256 hashBlock = 0;
if (GetTransaction(hash, tx, hashBlock))
{
- std::pair<uint256, uint32_t> solution;
- if (ScanInputForStakeKernelHash(tx, nOut, nBits, nDays * 86400, solution))
+ if (hashBlock == 0)
+ throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Unable to find transaction in the blockchain");
+
+ vector<int> vInputs(0);
+ const Value& inputs_v = find_value(scanParams, "vout");
+ if (inputs_v.type() == array_type)
+ {
+ Array inputs = inputs_v.get_array();
+ BOOST_FOREACH(const Value &v_out, inputs)
+ {
+ int nOut = v_out.get_int();
+ if (nOut < 0 || nOut > (int)tx.vout.size() - 1)
+ {
+ stringstream strErrorMsg;
+ strErrorMsg << boost::format("Invalid parameter, input number %d is out of range") % nOut;
+ throw JSONRPCError(RPC_INVALID_PARAMETER, strErrorMsg.str());
+ }
+
+ vInputs.push_back(nOut);
+ }
+ }
+ else if(inputs_v.type() == int_type)
+ {
+ int nOut = inputs_v.get_int();
+ if (nOut < 0 || nOut > (int)tx.vout.size() - 1)
+ {
+ stringstream strErrorMsg;
+ strErrorMsg << boost::format("Invalid parameter, input number %d is out of range") % nOut;
+ throw JSONRPCError(RPC_INVALID_PARAMETER, strErrorMsg.str());
+ }
+
+ vInputs.push_back(nOut);
+ }
+ else
{
- Object r;
- r.push_back(Pair("hash", solution.first.GetHex()));
- r.push_back(Pair("time", DateTimeStrFormat(solution.second)));
+ vInputs = vector<int>(boost::counting_iterator<int>( 0 ), boost::counting_iterator<int>( tx.vout.size() ));
+ }
+
+ CTxDB txdb("r");
+
+ CBlock block;
+ CTxIndex txindex;
+
+ // Load transaction index item
+ if (!txdb.ReadTxIndex(tx.GetHash(), txindex))
+ throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Unable to read block index item");
+
+ // Read block header
+ if (!block.ReadFromDisk(txindex.pos.nFile, txindex.pos.nBlockPos, false))
+ throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "CBlock::ReadFromDisk() failed");
+
+ uint64_t nStakeModifier = 0;
+ if (!GetKernelStakeModifier(block.GetHash(), nStakeModifier))
+ throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "No kernel stake modifier generated yet");
+
+ std::pair<uint32_t, uint32_t> interval;
+ interval.first = GetTime();
+ // Only count coins meeting min age requirement
+ if (nStakeMinAge + block.nTime > interval.first)
+ interval.first += (nStakeMinAge + block.nTime - interval.first);
+ interval.second = interval.first + nDays * nOneDay;
- return r;
+ Array results;
+ BOOST_FOREACH(const int &nOut, vInputs)
+ {
+ // Check for spent flag
+ // It doesn't make sense to scan spent inputs.
+ if (!txindex.vSpent[nOut].IsNull())
+ continue;
+
+ // Skip zero value outputs
+ if (tx.vout[nOut].nValue == 0)
+ continue;
+
+ // Build static part of kernel
+ CDataStream ssKernel(SER_GETHASH, 0);
+ ssKernel << nStakeModifier;
+ ssKernel << block.nTime << (txindex.pos.nTxPos - txindex.pos.nBlockPos) << tx.nTime << nOut;
+ CDataStream::const_iterator itK = ssKernel.begin();
+
+ std::vector<std::pair<uint256, uint32_t> > result;
+ if (ScanKernelForward((unsigned char *)&itK[0], nBits, tx.nTime, tx.vout[nOut].nValue, interval, result))
+ {
+ BOOST_FOREACH(const PAIRTYPE(uint256, uint32_t) solution, result)
+ {
+ Object item;
+ item.push_back(Pair("nout", nOut));
+ item.push_back(Pair("hash", solution.first.GetHex()));
+ item.push_back(Pair("time", DateTimeStrFormat(solution.second)));
+
+ results.push_back(item);
+ }
+ }
}
+
+ if (results.size() == 0)
+ return false;
+
+ return results;
}
else
throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "No information available about transaction");
-
- return Value::null;
}
Value getworkex(const Array& params, bool fHelp)
try {
ssBlock >> block;
}
- catch (std::exception &e) {
+ catch (const std::exception&) {
throw JSONRPCError(RPC_DESERIALIZATION_ERROR, "Block decode failed");
}