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dimxy
2019-04-08 15:59:48 +05:00
parent 09877ba99f
commit 4cd2814aa8
2 changed files with 24 additions and 8 deletions
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24
src/cc/prices.cpp
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@@ -144,6 +144,16 @@ CBOPRET creates trustless oracles, which can be used for making a synthetic cash
*/ */
// helpers:
// returns true if there are only digits and no alphas in 's'
inline bool is_weight(std::string s) {
return
std::count_if(s.begin(), s.end(), [](unsigned char c) { return std::isdigit(c); } ) > 0 &&
std::count_if(s.begin(), s.end(), [](unsigned char c) { return std::isalpha(c); } ) == 0;
}
// start of consensus code // start of consensus code
CScript prices_betopret(CPubKey mypk,int32_t height,int64_t amount,int16_t leverage,int64_t firstprice,std::vector<uint16_t> vec,uint256 tokenid) CScript prices_betopret(CPubKey mypk,int32_t height,int64_t amount,int16_t leverage,int64_t firstprice,std::vector<uint16_t> vec,uint256 tokenid)
@@ -296,7 +306,7 @@ int32_t prices_syntheticvec(std::vector<uint16_t> &vec,std::vector<std::string>
opcode = PRICES_MMM, need = 3; opcode = PRICES_MMM, need = 3;
else if ( opstr == "///" ) else if ( opstr == "///" )
opcode = PRICES_DDD, need = 3; opcode = PRICES_DDD, need = 3;
else if ( (ind= komodo_priceind((char *)opstr.c_str())) >= 0 ) else if (!is_weight(opstr) && (ind= komodo_priceind(opstr.c_str())) >= 0 )
opcode = ind, need = 0; opcode = ind, need = 0;
else if ( (weight= atoi(opstr.c_str())) > 0 && weight < KOMODO_MAXPRICES ) else if ( (weight= atoi(opstr.c_str())) > 0 && weight < KOMODO_MAXPRICES )
{ {
@@ -429,12 +439,18 @@ int64_t prices_syntheticprice(std::vector<uint16_t> vec,int32_t height,int32_t m
if ( errcode != 0 ) if ( errcode != 0 )
break; break;
} }
if ( den == 0 ) if (den == 0) {
std::cerr << "prices_syntheticprice den==0 return err=-11" << std::endl;
return(-11); return(-11);
else if ( depth != 0 ) }
else if (depth != 0) {
std::cerr << "prices_syntheticprice depth!=0 err=-12" << std::endl;
return(-12); return(-12);
else if ( errcode != 0 ) }
else if (errcode != 0) {
std::cerr << "prices_syntheticprice err=" << errcode << std::endl;
return(errcode); return(errcode);
}
return(price / den); return(price / den);
} }

8
src/komodo_gateway.h
View File

@@ -2111,7 +2111,7 @@ uint32_t get_binanceprice(const char *symbol)
int32_t get_cryptoprices(uint32_t *prices,const char *list[],int32_t n,std::vector<std::string> strvec) int32_t get_cryptoprices(uint32_t *prices,const char *list[],int32_t n,std::vector<std::string> strvec)
{ {
int32_t i,errs=0; uint32_t price; char *symbol; int32_t i,errs=0; uint32_t price; char *symbol;
std::cerr << "Crypto rates:" << std::endl; std::cerr << "Crypto binance rates:" << std::endl;
for (i=0; i<n+strvec.size(); i++) for (i=0; i<n+strvec.size(); i++)
{ {
@@ -2202,7 +2202,7 @@ int32_t get_btcusd(uint32_t pricebits[4])
dbtcusd = (double)pricebits[1]/10000; dbtcusd = (double)pricebits[1]/10000;
dbtcgbp = (double)pricebits[2]/10000; dbtcgbp = (double)pricebits[2]/10000;
dbtceur = (double)pricebits[3]/10000; dbtceur = (double)pricebits[3]/10000;
fprintf(stderr,"BTC/USD %.4f, BTC/GBP %.4f, BTC/EUR %.4f GBPUSD %.6f, EURUSD %.6f EURGBP %.6f\n",dbtcusd,dbtcgbp,dbtceur,dbtcusd/dbtcgbp,dbtcusd/dbtceur,dbtcgbp/dbtceur); fprintf(stderr,"BTC/USD %.4f, BTC/GBP %.4f, BTC/EUR %.4f not used: GBPUSD %.6f, EURUSD %.6f EURGBP %.6f\n",dbtcusd,dbtcgbp,dbtceur,dbtcusd/dbtcgbp,dbtcusd/dbtceur,dbtcgbp/dbtceur);
return(0); return(0);
} }
return(-1); return(-1);
@@ -2431,7 +2431,7 @@ char *komodo_pricename(char *name,int32_t ind)
} }
// finds index value for its symbol name // finds index value for its symbol name
int32_t komodo_priceind(char *symbol) int32_t komodo_priceind(const char *symbol)
{ {
char name[65]; int32_t i,n = (int32_t)(komodo_cbopretsize(ASSETCHAINS_CBOPRET) / sizeof(uint32_t)); char name[65]; int32_t i,n = (int32_t)(komodo_cbopretsize(ASSETCHAINS_CBOPRET) / sizeof(uint32_t));
@@ -2439,7 +2439,7 @@ int32_t komodo_priceind(char *symbol)
for (i=1; i<n; i++) for (i=1; i<n; i++)
{ {
komodo_pricename(name,i); komodo_pricename(name,i);
std::cerr << "komodo_priceind name=" << name << " i=" << i << std::endl; //std::cerr << "komodo_priceind name=" << name << " i=" << i << std::endl;
if (strcmp(name, symbol) == 0) { if (strcmp(name, symbol) == 0) {
std::cerr << "komodo_priceind for symbol=" << symbol << " returns=" << i << std::endl; std::cerr << "komodo_priceind for symbol=" << symbol << " returns=" << i << std::endl;
return(i); return(i);