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prices rpc call stub

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This commit is contained in:
jl777
2019-04-01 23:09:51 -11:00
parent 175d0fa4a6
commit c90448edba
4 changed files with 84 additions and 25 deletions
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80
src/rpc/blockchain.cpp
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@@ -1174,38 +1174,80 @@ UniValue paxprice(const UniValue& params, bool fHelp)
return ret;
}
UniValue paxprices(const UniValue& params, bool fHelp)
int32_t komodo_prices(uint32_t *prices,uint32_t *correlated,uint32_t *smoothed,int32_t height);
UniValue prices(const UniValue& params, bool fHelp)
{
if ( fHelp || params.size() != 3 )
throw runtime_error("paxprices \"base\" \"rel\" maxsamples\n");
if ( fHelp || params.size() != 1 )
throw runtime_error("prices maxsamples\n");
LOCK(cs_main);
UniValue ret(UniValue::VOBJ); uint64_t relvolume,prices[4096]; uint32_t i,n; int32_t heights[sizeof(prices)/sizeof(*prices)];
std::string base = params[0].get_str();
std::string rel = params[1].get_str();
int32_t maxsamples = atoi(params[2].get_str().c_str());
UniValue ret(UniValue::VOBJ); uint32_t *prices,*correlated,*smoothed; uint32_t i,firstn=-1,n,nextheight,ht,num=0,daywindow = (3600*24/ASSETCHAINS_BLOCKTIME) + 1;
int32_t maxsamples = atoi(params[0].get_str().c_str());
if ( maxsamples < 1 )
maxsamples = 1;
else if ( maxsamples > sizeof(heights)/sizeof(*heights) )
maxsamples = sizeof(heights)/sizeof(*heights);
ret.push_back(Pair("base", base));
ret.push_back(Pair("rel", rel));
n = komodo_paxprices(heights,prices,maxsamples,(char *)base.c_str(),(char *)rel.c_str());
nextheight = komodo_nextheight();
UniValue a(UniValue::VARR);
for (i=0; i<n; i++)
prices = (uint32_t *)calloc(sizeof(*prices),maxsamples+daywindow);
correlated = (uint32_t *)calloc(sizeof(*correlated),maxsamples+daywindow);
smoothed = (uint32_t *)calloc(sizeof(*smoothed),maxsamples+daywindow);
for (ht=nextheight-1,i=0; i<maxsamples+daywindow&&ht>daywindow+2; i++,ht--)
{
UniValue item(UniValue::VOBJ);
if ( heights[i] < 0 || heights[i] > chainActive.Height() )
if ( ht < 0 || ht > chainActive.Height() )
throw JSONRPCError(RPC_INVALID_PARAMETER, "Block height out of range");
else
{
CBlockIndex *pblockindex = chainActive[heights[i]];
item.push_back(Pair("t", (int64_t)pblockindex->nTime));
item.push_back(Pair("p", (double)prices[i] / COIN));
a.push_back(item);
if ( (n= komodo_prices(rawprices,ht)) > 0 )
{
if ( firstn == -1 )
firstn = n;
else if ( n != firstn )
throw JSONRPCError(RPC_INVALID_PARAMETER, "numprices != first numprices");
else
{
for (j=0; j<n; j++)
prices[j*(maxsamples+daywindow) + i] = rawprices[i];
}
} else throw JSONRPCError(RPC_INVALID_PARAMETER, "no komodo_rawprices found");
}
}
ret.push_back(Pair("array", a));
free(prices);
free(correlated);
free(smoothed);
/*for (i=0; i<maxsamples; i++)
{
UniValue item(UniValue::VOBJ),parr(UniValue::VARR);
item.push_back(Pair("height", (int64_t)ht));
if ( (n= komodo_prices(prices,correlated,smoothed,ht)) <= 0 )
item.push_back(Pair("heighterror",(int64_t)n));
else
{
UniValue timestamps(UniValue::VARR);
timestamps.push_back((int64_t)prices[0]);
timestamps.push_back((int64_t)correlated[0]);
timestamps.push_back((int64_t)smoothed[0]);
timestamps.push_back((int64_t)komodo_heightstamp(ht));
item.push_back(Pair("timestamps",timestamps));
for (j=0; j<n; i++)
{
UniValue prices(UniValue::VARR);
prices.push_back((double)prices[j]/10000.);
prices.push_back((double)correlated[j]/10000.);
prices.push_back((double)smoothed[j]/10000.);
parr.push_back(prices);
}
item.push_back(Pair("prices",parr));
item.push_back(Pair("numprices",n));
a.push_back(item);
num++;
}
}*/
ret.push_back(Pair("array",a));
ret.push_back(Pair("result","success"));
ret.push_back(Pair("height",(int64_t)nextheight-1));
ret.push_back(Pair("numsamples",(int64_t)num));
ret.push_back(Pair("maxsamples",(int64_t)maxsamples));
return ret;
}