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Add getnetworkhashps to get the calculated network hashrate

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coblee 2013-05-17 00:57:05 -10:00 committed by Charlie Lee
parent 6cc766fa55
commit d64eef48a4
3 changed files with 58 additions and 0 deletions
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3
src/bitcoinrpc.cpp
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@ -201,6 +201,7 @@ static const CRPCCommand vRPCCommands[] =
{ "addnode", &addnode, true, true },
{ "getaddednodeinfo", &getaddednodeinfo, true, true },
{ "getdifficulty", &getdifficulty, true, false },
{ "getnetworkhashps", &getnetworkhashps, true, false },
{ "getgenerate", &getgenerate, true, false },
{ "setgenerate", &setgenerate, true, false },
{ "gethashespersec", &gethashespersec, true, false },
@ -1158,6 +1159,8 @@ Array RPCConvertValues(const std::string &strMethod, const std::vector<std::stri
if (strMethod == "getaddednodeinfo" && n > 0) ConvertTo<bool>(params[0]);
if (strMethod == "setgenerate" && n > 0) ConvertTo<bool>(params[0]);
if (strMethod == "setgenerate" && n > 1) ConvertTo<boost::int64_t>(params[1]);
if (strMethod == "getnetworkhashps" && n > 0) ConvertTo<boost::int64_t>(params[0]);
if (strMethod == "getnetworkhashps" && n > 1) ConvertTo<boost::int64_t>(params[1]);
if (strMethod == "sendtoaddress" && n > 1) ConvertTo<double>(params[1]);
if (strMethod == "settxfee" && n > 0) ConvertTo<double>(params[0]);
if (strMethod == "getreceivedbyaddress" && n > 1) ConvertTo<boost::int64_t>(params[1]);

1
src/bitcoinrpc.h
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@ -153,6 +153,7 @@ extern json_spirit::Value importwallet(const json_spirit::Array& params, bool fH
extern json_spirit::Value getgenerate(const json_spirit::Array& params, bool fHelp); // in rpcmining.cpp
extern json_spirit::Value setgenerate(const json_spirit::Array& params, bool fHelp);
extern json_spirit::Value getnetworkhashps(const json_spirit::Array& params, bool fHelp);
extern json_spirit::Value gethashespersec(const json_spirit::Array& params, bool fHelp);
extern json_spirit::Value getmininginfo(const json_spirit::Array& params, bool fHelp);
extern json_spirit::Value getwork(const json_spirit::Array& params, bool fHelp);

54
src/rpcmining.cpp
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@ -27,6 +27,59 @@ void ShutdownRPCMining()
delete pMiningKey; pMiningKey = NULL;
}
// 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;
CBlockIndex *pb0 = pb;
int64 minTime = pb0->GetBlockTime();
int64 maxTime = minTime;
for (int i = 0; i < lookup; i++) {
pb0 = pb0->pprev;
int64 time = pb0->GetBlockTime();
minTime = std::min(time, minTime);
maxTime = std::max(time, maxTime);
}
// In case there's a situation where minTime == maxTime, we don't want a divide by zero exception.
if (minTime == maxTime)
return 0;
uint256 workDiff = pb->nChainWork - pb0->nChainWork;
int64 timeDiff = maxTime - minTime;
return (boost::int64_t)(workDiff.getdouble() / timeDiff);
}
Value getnetworkhashps(const Array& params, bool fHelp)
{
if (fHelp || params.size() > 2)
throw runtime_error(
"getnetworkhashps [blocks] [height]\n"
"Returns the estimated network hashes per second based on the last 120 blocks.\n"
"Pass in [blocks] to override # of blocks, -1 specifies since last difficulty change.\n"
"Pass in [height] to estimate the network speed at the time when a certain block was found.");
return GetNetworkHashPS(params.size() > 0 ? params[0].get_int() : 120, params.size() > 1 ? params[1].get_int() : -1);
}
Value getgenerate(const Array& params, bool fHelp)
{
if (fHelp || params.size() != 0)
@ -93,6 +146,7 @@ Value getmininginfo(const Array& params, bool fHelp)
obj.push_back(Pair("generate", GetBoolArg("-gen", false)));
obj.push_back(Pair("genproclimit", (int)GetArg("-genproclimit", -1)));
obj.push_back(Pair("hashespersec", gethashespersec(params, false)));
obj.push_back(Pair("networkhashps", getnetworkhashps(params, false)));
obj.push_back(Pair("pooledtx", (uint64_t)mempool.size()));
obj.push_back(Pair("testnet", TestNet()));
return obj;