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KOMODO_LOCALPRICE_CACHESIZE

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This commit is contained in:
jl777
2019-04-02 00:08:01 -11:00
parent c90448edba
commit 50f79c5d4a
4 changed files with 187 additions and 79 deletions
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82
src/rpc/blockchain.cpp
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@@ -1174,21 +1174,24 @@ UniValue paxprice(const UniValue& params, bool fHelp)
return ret;
}
int32_t komodo_prices(uint32_t *prices,uint32_t *correlated,uint32_t *smoothed,int32_t height);
int32_t komodo_heightpricebits(uint32_t *heightbits,int32_t nHeight);
char *komodo_pricename(char *name,int32_t ind);
uint32_t komodo_pricesmoothed(uint32_t *correlatedp,uint32_t *rawprices,int32_t numprices);
uint32_t komodo_timestampset(uint32_t *correlatedp,uint32_t *rawprices,int32_t numprices);
UniValue prices(const UniValue& params, bool fHelp)
{
if ( fHelp || params.size() != 1 )
throw runtime_error("prices maxsamples\n");
LOCK(cs_main);
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;
UniValue ret(UniValue::VOBJ); char name[64],*str; uint32_t rawprices[2048],*prices,*correlated,*smoothed; uint32_t i,j,firstn=-1,n,nextheight,offset,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);
nextheight = komodo_nextheight();
UniValue a(UniValue::VARR);
if ( daywindow < 7 )
daywindow = 7;
prices = (uint32_t *)calloc(sizeof(*prices),maxsamples+daywindow);
correlated = (uint32_t *)calloc(sizeof(*correlated),maxsamples+daywindow);
smoothed = (uint32_t *)calloc(sizeof(*smoothed),maxsamples+daywindow);
@@ -1198,7 +1201,7 @@ UniValue prices(const UniValue& params, bool fHelp)
throw JSONRPCError(RPC_INVALID_PARAMETER, "Block height out of range");
else
{
if ( (n= komodo_prices(rawprices,ht)) > 0 )
if ( (n= komodo_heightpricebits(rawprices,ht)) > 0 )
{
if ( firstn == -1 )
firstn = n;
@@ -1212,42 +1215,45 @@ UniValue prices(const UniValue& params, bool fHelp)
} else throw JSONRPCError(RPC_INVALID_PARAMETER, "no komodo_rawprices found");
}
}
for (i=0; i<maxsamples; i++)
{
UniValue timestamps(UniValue::VARR);
smoothed[i] = komodo_timestampset(&correlated[i],&rawprices[i],daywindow);
timestamps.push_back((int64_t)rawprices[i]);
timestamps.push_back((int64_t)correlated[i]);
timestamps.push_back((int64_t)smoothed[i]);
timestamps.push_back((int64_t)komodo_heightstamp(nextheight-1-i));
ret.push_back(Pair("timestamps",timestamps));
ret.push_back(Pair("heights", (int64_t)nextheight-1-i));
}
for (j=1; j<firstn; j++)
{
UniValue item(UniValue::VOBJ),prices(UniValue::VARR);
if ( (str= komodo_pricename(name,j)) != 0 )
{
item.push_back(Pair("name",str));
for (i=0; i<maxsamples; i++)
{
offset = j*(maxsamples+daywindow) + i;
smoothed[offset] = komodo_pricesmoothed(&correlated[offset],&rawprices[offset],daywindow);
UniValue parr(UniValue::VARR);
parr.push_back((double)prices[offset]/10000.);
parr.push_back((double)correlated[offset]/10000.);
parr.push_back((double)smoothed[offset]/10000.);
prices.push_back(parr);
}
item.push_back(Pair("prices",prices));
} else item.push_back(Pair("name","error"));
a.push_back(item);
}
ret.push_back(Pair("pricefeeds",a));
ret.push_back(Pair("result","success"));
ret.push_back(Pair("height",(int64_t)nextheight-1));
ret.push_back(Pair("numsamples",(int64_t)firstn));
ret.push_back(Pair("maxsamples",(int64_t)maxsamples));
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;
}