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203 lines
8.3 KiB
203 lines
8.3 KiB
9 years ago
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/******************************************************************************
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* Copyright © 2014-2016 The SuperNET Developers. *
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* *
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* See the AUTHORS, DEVELOPER-AGREEMENT and LICENSE files at *
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* the top-level directory of this distribution for the individual copyright *
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* holder information and the developer policies on copyright and licensing. *
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* *
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* Unless otherwise agreed in a custom licensing agreement, no part of the *
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* SuperNET software, including this file may be copied, modified, propagated *
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* or distributed except according to the terms contained in the LICENSE file *
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* *
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* Removal or modification of this copyright notice is prohibited. *
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* *
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******************************************************************************/
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// included from basilisk.c
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uint32_t basilisk_requestid(struct basilisk_request *rp)
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{
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struct basilisk_request R;
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R = *rp;
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R.requestid = R.quoteid = R.quotetime = 0;
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R.destamount = 0;
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R.relaybits = 0;
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memset(R.desthash.bytes,0,sizeof(R.desthash.bytes));
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if ( 0 )
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{
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int32_t i;
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for (i=0; i<sizeof(R); i++)
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printf("%02x",((uint8_t *)&R)[i]);
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printf(" <- crc.%u\n",calc_crc32(0,(void *)&R,sizeof(R)));
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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)));
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}
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return(calc_crc32(0,(void *)&R,sizeof(R)));
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}
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uint32_t basilisk_quoteid(struct basilisk_request *rp)
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{
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struct basilisk_request R;
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R = *rp;
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R.requestid = R.quoteid = R.relaybits = 0;
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return(calc_crc32(0,(void *)&R,sizeof(R)));
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}
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struct basilisk_request *basilisk_parsejson(struct basilisk_request *rp,cJSON *reqjson)
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{
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uint32_t requestid,quoteid;
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memset(rp,0,sizeof(*rp));
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rp->hash = jbits256(reqjson,"hash");
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rp->desthash = jbits256(reqjson,"desthash");
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rp->srcamount = j64bits(reqjson,"srcamount");
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rp->minamount = j64bits(reqjson,"minamount");
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rp->destamount = j64bits(reqjson,"destamount");
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requestid = juint(reqjson,"requestid");
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quoteid = juint(reqjson,"quoteid");
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if ( jstr(reqjson,"relay") != 0 )
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rp->relaybits = (uint32_t)calc_ipbits(jstr(reqjson,"relay"));
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rp->timestamp = juint(reqjson,"timestamp");
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rp->quotetime = juint(reqjson,"quotetime");
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safecopy(rp->src,jstr(reqjson,"src"),sizeof(rp->src));
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safecopy(rp->dest,jstr(reqjson,"dest"),sizeof(rp->dest));
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if ( quoteid != 0 )
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{
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rp->quoteid = basilisk_quoteid(rp);
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if ( quoteid != rp->quoteid )
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printf("basilisk_parsejson quoteid.%u != %u error\n",quoteid,rp->quoteid);
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}
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rp->requestid = basilisk_requestid(rp);
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if ( requestid != rp->requestid )
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printf("basilisk_parsejson requestid.%u != %u error\n",requestid,rp->requestid);
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return(rp);
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}
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void basilisk_swap_balancingtrade(struct supernet_info *myinfo,struct basilisk_swap *swap,int32_t iambob)
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{
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// update balance, compare to target balance, issue balancing trade via central exchanges, if needed
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if ( iambob != 0 )
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{
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}
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else
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{
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}
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}
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struct basilisk_swap *basilisk_request_started(struct supernet_info *myinfo,uint32_t requestid)
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{
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int32_t i; struct basilisk_swap *active = 0;
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portable_mutex_lock(&myinfo->DEX_swapmutex);
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for (i=0; i<myinfo->numswaps; i++)
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if ( myinfo->swaps[i]->req.requestid == requestid )
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{
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//printf("REQUEST STARTED.[%d] <- req.%u\n",i,requestid);
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active = myinfo->swaps[i];
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break;
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}
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portable_mutex_unlock(&myinfo->DEX_swapmutex);
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return(active);
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}
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int32_t basilisk_request_cmpref(struct basilisk_request *ref,struct basilisk_request *rp)
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{
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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 )
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{
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printf("basilisk_request_listprocess mismatched hash\n");
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return(-1);
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} else return(0);
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}
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double basilisk_request_listprocess(struct supernet_info *myinfo,struct basilisk_request *issueR,struct basilisk_request *list,int32_t n)
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{
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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.;
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memset(issueR,0,sizeof(*issueR));
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minamount = list[0].minamount;
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//printf("need to verify null quoteid is list[0] requestid.%u quoteid.%u\n",list[0].requestid,list[0].quoteid);
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if ( (active= basilisk_request_started(myinfo,list[0].requestid)) != 0 )
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pendingid = active->req.quoteid;
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if ( bits256_cmp(myinfo->myaddr.persistent,list[0].hash) == 0 ) // my request
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myrequest = 1;
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for (i=0; i<n; i++)
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{
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if ( basilisk_request_cmpref(&list[0],&list[i]) != 0 )
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return(-1);
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if ( list[i].quoteid != 0 )
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{
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if ( bits256_cmp(myinfo->myaddr.persistent,list[i].desthash) == 0 ) // my quoteid
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myrequest |= 2;
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havequoteflag++;
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if ( pendingid == 0 )
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{
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if ( list[i].destamount > maxamount )
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{
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maxamount = list[i].destamount;
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maxi = i;
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}
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}
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else if ( active != 0 && pendingid == list[i].quoteid )
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{
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}
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} else noquoteflag++;
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}
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//printf("myrequest.%d pendingid.%u noquoteflag.%d havequoteflag.%d maxi.%d %.8f\n",myrequest,pendingid,noquoteflag,havequoteflag,maxi,dstr(maxamount));
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if ( myrequest == 0 && pendingid == 0 && noquoteflag != 0 )
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{
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double retvals[4],aveprice;
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aveprice = instantdex_avehbla(myinfo,retvals,list[0].src,list[0].dest,1.3 * dstr(list[0].srcamount));
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destamount = 0.99 * aveprice * list[0].srcamount;
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printf("destamount %.8f aveprice %.8f minamount %.8f\n",dstr(destamount),aveprice,dstr(minamount));
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if ( destamount > 0 && destamount >= maxamount && destamount >= minamount )
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{
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metric = 1.;
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*issueR = list[0];
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issueR->desthash = myinfo->myaddr.persistent;
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issueR->destamount = destamount;
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issueR->quotetime = (uint32_t)time(NULL);
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}
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}
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else if ( myrequest != 0 && pendingid == 0 && maxi >= 0 ) // automatch best quote
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{
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if ( minamount != 0 && maxamount > minamount && time(NULL) > BASILISK_DEXDURATION/2 )
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{
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printf("automatch quoteid.%u triggered %.8f > %.8f\n",list[maxi].quoteid,dstr(maxamount),dstr(minamount));
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*issueR = list[maxi];
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if ( minamount > 0 )
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metric = (dstr(maxamount) / dstr(minamount)) - 1.;
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else metric = 1.;
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}
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}
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return(metric);
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}
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double basilisk_process_results(struct supernet_info *myinfo,struct basilisk_request *issueR,cJSON *retjson,double hwm)
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{
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cJSON *array,*item; int32_t i,n,m; struct basilisk_request tmpR,R,refR,list[BASILISK_MAXRELAYS]; double metric=0.;
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if ( (array= jarray(&n,retjson,"result")) != 0 )
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{
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for (i=m=0; i<n; i++)
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{
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item = jitem(array,i);
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if ( i != 0 )
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{
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basilisk_parsejson(&R,item);
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if ( refR.requestid == R.requestid )
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list[m++] = R;
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else
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{
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if ( (metric= basilisk_request_listprocess(myinfo,&tmpR,list,m)) > hwm )
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*issueR = tmpR, hwm = metric;
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m = 0;
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}
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}
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if ( m < sizeof(list)/sizeof(*list) )
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basilisk_parsejson(&list[m++],item);
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}
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if ( m > 0 && m < sizeof(list)/sizeof(*list) )
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if ( (metric= basilisk_request_listprocess(myinfo,&tmpR,list,m)) > hwm )
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*issueR = tmpR, hwm = metric;
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}
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return(hwm);
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}
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