/******************************************************************************
* Copyright © 2014-2016 The SuperNET Developers. *
* *
* See the AUTHORS, DEVELOPER-AGREEMENT and LICENSE files at *
* the top-level directory of this distribution for the individual copyright *
* holder information and the developer policies on copyright and licensing. *
* *
* Unless otherwise agreed in a custom licensing agreement, no part of the *
* SuperNET software, including this file may be copied, modified, propagated *
* or distributed except according to the terms contained in the LICENSE file *
* *
* Removal or modification of this copyright notice is prohibited. *
* *
******************************************************************************/
// included from basilisk.c
uint32_t basilisk_requestid(struct basilisk_request *rp)
{
struct basilisk_request R;
R = *rp;
R.requestid = R.quoteid = R.quotetime = 0;
R.destamount = 0;
R.relaybits = 0;
memset(R.desthash.bytes,0,sizeof(R.desthash.bytes));
if ( 0 )
{
int32_t i;
for (i=0; i<sizeof(R); i++)
printf("%02x",((uint8_t *)&R)[i]);
printf(" <- crc.%u\n",calc_crc32(0,(void *)&R,sizeof(R)));
char str[65],str2[65]; printf("B REQUESTID: t.%u r.%u q.%u %s %.8f %s -> %s %.8f %s crc.%u\n",R.timestamp,R.requestid,R.quoteid,R.src,dstr(R.srcamount),bits256_str(str,R.hash),R.dest,dstr(R.destamount),bits256_str(str2,R.desthash),calc_crc32(0,(void *)&R,sizeof(R)));
}
return(calc_crc32(0,(void *)&R,sizeof(R)));
}
uint32_t basilisk_quoteid(struct basilisk_request *rp)
{
struct basilisk_request R;
R = *rp;
R.requestid = R.quoteid = R.relaybits = 0;
return(calc_crc32(0,(void *)&R,sizeof(R)));
}
struct basilisk_request *basilisk_parsejson(struct basilisk_request *rp,cJSON *reqjson)
{
uint32_t requestid,quoteid;
memset(rp,0,sizeof(*rp));
rp->hash = jbits256(reqjson,"hash");
rp->desthash = jbits256(reqjson,"desthash");
rp->srcamount = j64bits(reqjson,"srcamount");
rp->minamount = j64bits(reqjson,"minamount");
rp->destamount = j64bits(reqjson,"destamount");
requestid = juint(reqjson,"requestid");
quoteid = juint(reqjson,"quoteid");
if ( jstr(reqjson,"relay") != 0 )
rp->relaybits = (uint32_t)calc_ipbits(jstr(reqjson,"relay"));
rp->timestamp = juint(reqjson,"timestamp");
rp->quotetime = juint(reqjson,"quotetime");
safecopy(rp->src,jstr(reqjson,"src"),sizeof(rp->src));
safecopy(rp->dest,jstr(reqjson,"dest"),sizeof(rp->dest));
if ( quoteid != 0 )
{
rp->quoteid = basilisk_quoteid(rp);
if ( quoteid != rp->quoteid )
printf("basilisk_parsejson quoteid.%u != %u error\n",quoteid,rp->quoteid);
}
rp->requestid = basilisk_requestid(rp);
if ( requestid != rp->requestid )
printf("basilisk_parsejson requestid.%u != %u error\n",requestid,rp->requestid);
return(rp);
}
void basilisk_swap_balancingtrade(struct supernet_info *myinfo,struct basilisk_swap *swap,int32_t iambob)
{
// update balance, compare to target balance, issue balancing trade via central exchanges, if needed
if ( iambob != 0 )
{
}
else
{
}
}
struct basilisk_swap *basilisk_request_started(struct supernet_info *myinfo,uint32_t requestid)
{
int32_t i; struct basilisk_swap *active = 0;
portable_mutex_lock(&myinfo->DEX_swapmutex);
for (i=0; i<myinfo->numswaps; i++)
if ( myinfo->swaps[i]->req.requestid == requestid )
{
//printf("REQUEST STARTED.[%d] <- req.%u\n",i,requestid);
active = myinfo->swaps[i];
break;
}
portable_mutex_unlock(&myinfo->DEX_swapmutex);
return(active);
}
int32_t basilisk_request_cmpref(struct basilisk_request *ref,struct basilisk_request *rp)
{
if ( bits256_cmp(rp->hash,ref->hash) != 0 || memcmp(rp->src,ref->src,sizeof(ref->src)) != 0 || memcmp(rp->dest,ref->dest,sizeof(ref->dest)) != 0 || rp->srcamount != ref->srcamount || rp->timestamp != ref->timestamp )
{
printf("basilisk_request_listprocess mismatched hash\n");
return(-1);
} else return(0);
}
void tradebot_liquidity_command(struct supernet_info *myinfo,char *base,bits256 hash,cJSON *vals)
{
struct liquidity_info li,refli; int32_t i;
memset(&li,0,sizeof(li));
strcpy(li.base,base), strcpy(li.rel,"BTC");
li.profit = jdouble(vals,"profit");
li.refprice = jdouble(vals,"refprice");
for (i=0; i<sizeof(myinfo->linfos)/sizeof(*myinfo->linfos); i++)
{
refli = myinfo->linfos[i];
if ( strcmp(li.rel,refli.base) == 0 && strcmp(li.base,refli.rel) == 0 )
{
strcpy(li.base,refli.base);
strcpy(li.rel,refli.rel);
li.refprice = (1. / li.refprice);
printf("Set rev linfo[%d] (%s/%s) %.6f %.8f\n",i,li.base,li.rel,li.profit,li.refprice);
myinfo->linfos[i] = li;
return;
}
else if ( refli.base[0] == 0 || (strcmp(li.base,refli.base) == 0 && strcmp(li.rel,refli.rel) == 0) )
{
myinfo->linfos[i] = li;
printf("Set linfo[%d] (%s/%s) %.6f %.8f\n",i,li.base,li.rel,li.profit,li.refprice);
return;
}
}
printf("ERROR: too many linfos %d\n",i);
}
double tradebot_liquidity_active(struct supernet_info *myinfo,double *refpricep,char *base,char *rel)
{
int32_t i; struct liquidity_info refli;
*refpricep = 0.;
for (i=0; i<sizeof(myinfo->linfos)/sizeof(*myinfo->linfos); i++)
{
refli = myinfo->linfos[i];
if ( (strcmp(base,refli.base) == 0 && strcmp(rel,refli.rel) == 0) || (strcmp(rel,refli.base) == 0 && strcmp(base,refli.rel) == 0 ))
{
*refpricep = refli.refprice;
return(refli.profit);
}
}
return(0.);
}
double basilisk_request_listprocess(struct supernet_info *myinfo,struct basilisk_request *issueR,struct basilisk_request *list,int32_t n)
{
int32_t i,noquoteflag=0,havequoteflag=0,myrequest=0,maxi=-1; uint64_t destamount,minamount = 0,maxamount = 0; uint32_t pendingid=0; struct basilisk_swap *active; double metric = 0.;
memset(issueR,0,sizeof(*issueR));
minamount = list[0].minamount;
printf("need to verify null quoteid is list[0] requestid.%u quoteid.%u\n",list[0].requestid,list[0].quoteid);
if ( (active= basilisk_request_started(myinfo,list[0].requestid)) != 0 )
pendingid = active->req.quoteid;
if ( bits256_cmp(myinfo->myaddr.persistent,list[0].hash) == 0 ) // my request
myrequest = 1;
for (i=0; i<n; i++)
{
if ( basilisk_request_cmpref(&list[0],&list[i]) != 0 )
return(-1);
if ( list[i].quoteid != 0 )
{
if ( bits256_cmp(myinfo->myaddr.persistent,list[i].desthash) == 0 ) // my quoteid
myrequest |= 2;
havequoteflag++;
if ( pendingid == 0 )
{
if ( list[i].destamount > maxamount )
{
maxamount = list[i].destamount;
maxi = i;
}
}
else if ( active != 0 && pendingid == list[i].quoteid )
{
}
} else noquoteflag++;
}
printf("myrequest.%d pendingid.%u noquoteflag.%d havequoteflag.%d maxi.%d %.8f\n",myrequest,pendingid,noquoteflag,havequoteflag,maxi,dstr(maxamount));
double retvals[4],refprice,profitmargin,aveprice,balance=0.; cJSON *retjson; char *retstr;
if ( myinfo->IAMLP != 0 && myrequest == 0 && pendingid == 0 && noquoteflag != 0 && (profitmargin= tradebot_liquidity_active(myinfo,&refprice,list[0].src,list[0].dest)) > 0. )
{
if ( (aveprice= instantdex_avehbla(myinfo,retvals,list[0].src,list[0].dest,1.3 * dstr(list[0].srcamount))) == 0. || refprice > aveprice )
aveprice = refprice;
destamount = (1.0 - profitmargin) * aveprice * list[0].srcamount;
if ( (retstr= InstantDEX_available(myinfo,iguana_coinfind(list[0].dest),0,0,list[0].dest)) != 0 )
{
if ( (retjson= cJSON_Parse(retstr)) != 0 )
{
balance = jdouble(retjson,"result");
free_json(retjson);
}
free(retstr);
}
printf("balance %.8f destamount %.8f aveprice %.8f minamount %.8f\n",balance,dstr(destamount),aveprice,dstr(minamount));
if ( balance > destamount && destamount > 0 && destamount >= maxamount && destamount >= minamount )
{
metric = 1.;
*issueR = list[0];
issueR->desthash = myinfo->myaddr.persistent;
issueR->destamount = destamount;
issueR->quotetime = (uint32_t)time(NULL);
}
}
else if ( myrequest != 0 && pendingid == 0 && maxi >= 0 ) // automatch best quote
{
if ( minamount != 0 && maxamount > minamount && time(NULL) > BASILISK_DEXDURATION/2 )
{
printf("automatch quoteid.%u triggered %.8f > %.8f\n",list[maxi].quoteid,dstr(maxamount),dstr(minamount));
*issueR = list[maxi];
if ( minamount > 0 )
metric = (dstr(maxamount) / dstr(minamount)) - 1.;
else metric = 1.;
}
}
return(metric);
}
double basilisk_process_results(struct supernet_info *myinfo,struct basilisk_request *issueR,cJSON *retjson,double hwm)
{
cJSON *array,*item; int32_t i,n,m; struct basilisk_request tmpR,R,refR,list[BASILISK_MAXRELAYS]; double metric=0.;
//printf("process_results.(%s)\n",jprint(retjson,0));
if ( (array= jarray(&n,retjson,"result")) != 0 )
{
for (i=m=0; i<n; i++)
{
item = jitem(array,i);
if ( i != 0 )
{
basilisk_parsejson(&R,item);
if ( refR.requestid == R.requestid )
list[m++] = R;
else
{
if ( (metric= basilisk_request_listprocess(myinfo,&tmpR,list,m)) > hwm )
*issueR = tmpR, hwm = metric;
m = 0;
}
}
if ( m < sizeof(list)/sizeof(*list) )
basilisk_parsejson(&list[m++],item);
}
if ( m > 0 && m < sizeof(list)/sizeof(*list) )
if ( (metric= basilisk_request_listprocess(myinfo,&tmpR,list,m)) > hwm )
*issueR = tmpR, hwm = metric;
}
return(hwm);
}