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Weight correlated price

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This commit is contained in:
jl777
2019-04-02 04:29:54 -11:00
parent 2b1dff7b0c
commit 47f2069490
2 changed files with 25 additions and 17 deletions
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9
src/rpc/blockchain.cpp
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@@ -1177,7 +1177,7 @@ UniValue paxprice(const UniValue& params, bool fHelp)
int32_t komodo_heightpricebits(uint64_t *seedp,uint32_t *heightbits,int32_t nHeight);
char *komodo_pricename(char *name,int32_t ind);
int64_t komodo_pricesmoothed(int64_t *correlated,int32_t numprices);
int64_t komodo_pricecorrelated(uint64_t seed,int32_t ind,uint32_t *rawprices,int32_t numprices);
int64_t komodo_pricecorrelated(uint64_t seed,int32_t ind,uint32_t *rawprices,int32_t numprices,uint32_t *rawprices2);
int32_t komodo_nextheight();
uint32_t komodo_heightstamp(int32_t height);
@@ -1186,7 +1186,7 @@ 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); uint64_t seed; int64_t smoothed,*correlated; char name[64],*str; uint32_t rawprices[2048],*prices; uint32_t i,width,j,numpricefeeds=-1,n,nextheight,offset,ht,num=0,daywindow = (3600*24/ASSETCHAINS_BLOCKTIME) + 1;
UniValue ret(UniValue::VOBJ); uint64_t seed; int64_t smoothed,*correlated; char name[64],*str; uint32_t rawprices[2048],*prices,*prices2; uint32_t i,width,j,numpricefeeds=-1,n,nextheight,offset,ht,num=0,daywindow = (3600*24/ASSETCHAINS_BLOCKTIME) + 1;
if ( ASSETCHAINS_CBOPRET == 0 )
throw JSONRPCError(RPC_INVALID_PARAMETER, "only -ac_cbopret chains have prices");
@@ -1203,6 +1203,7 @@ UniValue prices(const UniValue& params, bool fHelp)
throw JSONRPCError(RPC_INVALID_PARAMETER, "illegal numpricefeeds");
prices = (uint32_t *)calloc(sizeof(*prices),width*numpricefeeds);
correlated = (int64_t *)calloc(sizeof(*correlated),width);
prices2 = (int64_t *)calloc(sizeof(*prices2),width);
for (ht=nextheight-1,i=0; i<width&&ht>2*daywindow+2; i++,ht--)
{
if ( ht < 0 || ht > chainActive.Height() )
@@ -1238,7 +1239,8 @@ UniValue prices(const UniValue& params, bool fHelp)
for (i=0; i<maxsamples+daywindow; i++)
{
offset = j*width + i;
if ( (correlated[i]= komodo_pricecorrelated(seed,j,&prices[offset],daywindow)) < 0 )
memcpy(prices2,&prices[offset],sizeof(*prices2)*daywindow);
if ( (correlated[i]= komodo_pricecorrelated(seed,j,&prices[offset],daywindow,prices2)) < 0 )
throw JSONRPCError(RPC_INVALID_PARAMETER, "null correlated price");
}
for (i=0; i<maxsamples; i++)
@@ -1264,6 +1266,7 @@ UniValue prices(const UniValue& params, bool fHelp)
ret.push_back(Pair("daywindow",(int64_t)daywindow));
ret.push_back(Pair("numpricefeeds",(int64_t)numpricefeeds));
free(prices);
free(prices2);
free(correlated);
return ret;
}