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Support stock prices

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This commit is contained in:
jl777
2019-04-12 07:51:28 -11:00
parent c25b0996db
commit 77afae4f25
4 changed files with 78 additions and 40 deletions
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95
src/komodo_gateway.h
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@@ -2014,26 +2014,34 @@ cJSON *get_urljson(char *url)
return(json);
}
int32_t get_stockprices()//std::vector<std::string> symbols)
int32_t get_stockprices(uint32_t now,uint32_t *prices,std::vector<std::string> symbols)
{
std::vector<std::string> symbols;
char url[32768],*symbol; cJSON *json,*obj; int32_t i,n=0; uint32_t uprice;
symbols.push_back("AAPL");
symbols.push_back("MSFT");
sprintf(url,"https://api.iextrading.com/1.0/tops/last?symbols=AAPL, MSFT");
char url[32768],*symbol; cJSON *json,*obj; int32_t i,n=0,retval=-1; uint32_t uprice,timestamp;
sprintf(url,"https://api.iextrading.com/1.0/tops/last?symbols=%s",GetArg("-ac_stocks",""));
if ( (json= send_curl(url,(char *)"iex")) != 0 ) //if ( (json= get_urljson(url)) != 0 )
{
if ( (n= cJSON_GetArraySize(json)) > 0 )
{
retval = n;
for (i=0; i<n; i++)
{
obj = jitem(json,i);
if ( (symbol= jstr(obj,(char *)"symbol")) != 0 )
{
timestamp = juint(obj,(char *)"time");
uprice = jdouble(obj,(char *)"price")*100 + 0.0049;
prices[i] = uprice;
if ( timestamp > now+60 || timestamp < now-ASSETCHAINS_BLOCKTIME )
{
fprintf(stderr,"time error.%d\n",timestamp-now);
retval = -1;
}
if ( symbols[i] != symbol )
{
retval = -1;
fprintf(stderr,"MISMATCH.");
fprintf(stderr,"(%s %u) ",symbol,uprice);
}
fprintf(stderr,"(%s %u).%d ",symbol,uprice,timestamp-now);
}
}
fprintf(stderr,"numstocks.%d\n",n);
@@ -2041,7 +2049,7 @@ int32_t get_stockprices()//std::vector<std::string> symbols)
//https://api.iextrading.com/1.0/tops/last?symbols=AAPL -> [{"symbol":"AAPL","price":198.63,"size":100,"time":1555092606076}]
free_json(json);
}
return(n);
return(retval);
}
uint32_t get_dailyfx(uint32_t *prices)
@@ -2190,6 +2198,8 @@ int32_t komodo_cbopretsize(uint64_t flags)
size += (sizeof(Forex)/sizeof(*Forex)) * sizeof(uint32_t);
if ( (ASSETCHAINS_CBOPRET & 4) != 0 )
size += (sizeof(Cryptos)/sizeof(*Cryptos) + ASSETCHAINS_PRICES.size())*sizeof(uint32_t);
if ( (ASSETCHAINS_CBOPRET & 8) != 0 )
size += (ASSETCHAINS_STOCKS.size())*sizeof(uint32_t);
}
return(size);
}
@@ -2198,8 +2208,8 @@ extern uint256 Queued_reconsiderblock;
void komodo_cbopretupdate(int32_t forceflag)
{
static uint32_t lasttime,lastcrypto,lastbtc,pending;
static uint32_t pricebits[4],cryptoprices[KOMODO_MAXPRICES],forexprices[sizeof(Forex)/sizeof(*Forex)];
static uint32_t lasttime,lastbtc,pending;
static uint32_t pricebits[4],pricebuf[KOMODO_MAXPRICES],forexprices[sizeof(Forex)/sizeof(*Forex)];
int32_t size; uint32_t flags=0,now; CBlockIndex *pindex;
if ( Queued_reconsiderblock != zeroid )
{
@@ -2213,8 +2223,6 @@ void komodo_cbopretupdate(int32_t forceflag)
fprintf(stderr,"pricewait "), sleep(1);
return;
}
get_stockprices();
pending = 1;
now = (uint32_t)time(NULL);
if ( (ASSETCHAINS_CBOPRET & 1) != 0 )
@@ -2248,23 +2256,35 @@ void komodo_cbopretupdate(int32_t forceflag)
{
if ( forceflag != 0 || flags != 0 )
{
get_cryptoprices(cryptoprices,Cryptos,(int32_t)(sizeof(Cryptos)/sizeof(*Cryptos)),ASSETCHAINS_PRICES);
get_cryptoprices(pricebuf,Cryptos,(int32_t)(sizeof(Cryptos)/sizeof(*Cryptos)),ASSETCHAINS_PRICES);
if ( flags == 0 )
komodo_PriceCache_shift();
memcpy(&PriceCache[0][size/sizeof(uint32_t)],cryptoprices,(sizeof(Cryptos)/sizeof(*Cryptos)+ASSETCHAINS_PRICES.size()) * sizeof(uint32_t));
memcpy(&PriceCache[0][size/sizeof(uint32_t)],pricebuf,(sizeof(Cryptos)/sizeof(*Cryptos)+ASSETCHAINS_PRICES.size()) * sizeof(uint32_t));
flags |= 4; // very rarely we can see flags == 6 case
}
size += (sizeof(Cryptos)/sizeof(*Cryptos)+ASSETCHAINS_PRICES.size()) * sizeof(uint32_t);
}
now = (uint32_t)time(NULL);
if ( (ASSETCHAINS_CBOPRET & 8) != 0 )
{
if ( forceflag != 0 || flags != 0 )
{
if ( get_stockprices(now,pricebuf,ASSETCHAINS_STOCKS) == ASSETCHAINS_STOCKS.size() )
{
if ( flags == 0 )
komodo_PriceCache_shift();
memcpy(&PriceCache[0][size/sizeof(uint32_t)],pricebuf,ASSETCHAINS_STOCKS.size() * sizeof(uint32_t));
flags |= 8; // very rarely we can see flags == 10 case
}
}
size += (ASSETCHAINS_STOCKS.size()) * sizeof(uint32_t);
}
if ( flags != 0 )
{
now = (uint32_t)time(NULL);
if ( (flags & 1) != 0 )
lastbtc = now;
if ( (flags & 2) != 0 )
lasttime = now;
if ( (flags & 4) != 0 )
lastcrypto = now;
memcpy(Mineropret.data(),PriceCache[0],size);
if ( ExtremePrice.dir != 0 && ExtremePrice.ind > 0 && ExtremePrice.ind < size/sizeof(uint32_t) && now < ExtremePrice.timestamp+3600 )
{
@@ -2284,19 +2304,6 @@ void komodo_cbopretupdate(int32_t forceflag)
// fprintf(stderr,"%02x",Mineropret[i]);
//fprintf(stderr," <- set Mineropret[%d] size.%d %ld\n",(int32_t)Mineropret.size(),size,sizeof(PriceCache[0]));
}
/*
if ( (ASSETCHAINS_CBOPRET & 4) != 0 )
{
get_currencies(Metals,(int32_t)(sizeof(Metals)/sizeof(*Metals)));
}
if ( (ASSETCHAINS_CBOPRET & 32) != 0 )
{
get_stocks(Markets,(int32_t)(sizeof(Markets)/sizeof(*Markets)));
}
if ( (ASSETCHAINS_CBOPRET & 64) != 0 )
{
get_stocks(Techstocks,(int32_t)(sizeof(Techstocks)/sizeof(*Techstocks)));
}*/
}
pending = 0;
}
@@ -2320,6 +2327,11 @@ int64_t komodo_pricemult(int32_t ind)
for (j=0; j<sizeof(Cryptos)/sizeof(*Cryptos)+ASSETCHAINS_PRICES.size(); j++)
PriceMult[i++] = 1;
}
if ( (ASSETCHAINS_CBOPRET & 8) != 0 )
{
for (j=0; j<ASSETCHAINS_STOCKS.size(); j++)
PriceMult[i++] = 1000000;
}
}
return(PriceMult[ind]);
}
@@ -2336,9 +2348,9 @@ char *komodo_pricename(char *name,int32_t ind)
switch ( ind )
{
case 0: strcpy(name,"timestamp"); break;
case 1: strcpy(name,"BTCUSD"); break;
case 2: strcpy(name,"BTCGBP"); break;
case 3: strcpy(name,"BTCEUR"); break;
case 1: strcpy(name,"BTC/USD"); break;
case 2: strcpy(name,"BTC/GBP"); break;
case 3: strcpy(name,"BTC/EUR"); break;
default: return(0); break;
}
return(name);
@@ -2352,8 +2364,8 @@ char *komodo_pricename(char *name,int32_t ind)
return(0);
if ( ind < sizeof(Forex)/sizeof(*Forex) )
{
name[0] = 'U', name[1] = 'S', name[2] = 'D';
strcpy(name+3,Forex[ind]);
name[0] = 'U', name[1] = 'S', name[2] = 'D', name[3] = '/';
strcpy(name+4,Forex[ind]);
return(name);
} else ind -= sizeof(Forex)/sizeof(*Forex);
}
@@ -2370,10 +2382,21 @@ char *komodo_pricename(char *name,int32_t ind)
ind -= (sizeof(Cryptos)/sizeof(*Cryptos));
strcpy(name,ASSETCHAINS_PRICES[ind].c_str());
}
strcat(name,"BTC");
strcat(name,"/BTC");
return(name);
} else ind -= (sizeof(Cryptos)/sizeof(*Cryptos) + ASSETCHAINS_PRICES.size());
}
if ( (ASSETCHAINS_CBOPRET & 8) != 0 )
{
if ( ind < 0 )
return(0);
if ( ind < ASSETCHAINS_STOCKS.size() )
{
strcpy(name,ASSETCHAINS_PRICES[ind].c_str());
strcat(name,"/USD");
return(name);
} else ind -= ASSETCHAINS_STOCKS.size();
}
}
}
return(0);