/****************************************************************************** * Copyright © 2014-2017 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. * * * ******************************************************************************/ // // LP_commands.c // marketmaker // struct basilisk_request *LP_requestinit(struct basilisk_request *rp,bits256 srchash,bits256 desthash,char *src,uint64_t srcsatoshis,char *dest,uint64_t destsatoshis,uint32_t timestamp,uint32_t quotetime,int32_t DEXselector) { memset(rp,0,sizeof(*rp)); rp->srchash = srchash; rp->desthash = desthash; rp->srcamount = srcsatoshis; rp->destamount = destsatoshis; rp->timestamp = timestamp; rp->quotetime = quotetime; rp->DEXselector = DEXselector; safecopy(rp->src,src,sizeof(rp->src)); safecopy(rp->dest,dest,sizeof(rp->dest)); rp->quoteid = basilisk_quoteid(rp); rp->requestid = basilisk_requestid(rp); return(rp); } void LP_command(struct LP_peerinfo *mypeer,int32_t pubsock,cJSON *argjson,uint8_t *data,int32_t datalen,double profitmargin) { char *method,*base,*rel,*retstr,*pairstr; cJSON *retjson; double price; bits256 srchash,desthash,pubkey,privkey,txid,desttxid; struct LP_utxoinfo *utxo; uint32_t timestamp,quotetime; int32_t destvout,DEXselector = 0; uint64_t txfee,satoshis,desttxfee,destsatoshis,value; struct basilisk_request R; if ( (method= jstr(argjson,"method")) != 0 ) { txid = jbits256(argjson,"txid"); if ( (utxo= LP_utxofind(txid,jint(argjson,"vout"))) != 0 && strcmp(utxo->ipaddr,mypeer->ipaddr) == 0 && utxo->port == mypeer->port && (base= jstr(argjson,"base")) != 0 && (rel= jstr(argjson,"rel")) != 0 && strcmp(base,utxo->coin) == 0 ) { if ( time(NULL) > utxo->swappending ) utxo->swappending = 0; if ( strcmp(method,"price") == 0 || strcmp(method,"request") == 0 ) { if ( utxo->swappending == 0 && utxo->pair < 0 ) { if ( utxo->pair >= 0 ) nn_close(utxo->pair), utxo->pair = -1; if ( (price= LP_price(base,rel)) != 0. ) { price *= (1. + profitmargin); retjson = cJSON_CreateObject(); jaddstr(retjson,"base",base); jaddstr(retjson,"rel",rel); jaddnum(retjson,"timestamp",time(NULL)); jaddnum(retjson,"price",price); jaddbits256(retjson,"txid",txid); pubkey = LP_pubkey(LP_privkey(utxo->coinaddr)); jaddbits256(retjson,"srchash",pubkey); txfee = LP_txfee(base); jadd64bits(retjson,"txfee",txfee); jadd64bits(retjson,"satoshis",utxo->satoshis - txfee); jadd64bits(retjson,"destsatoshis",price * (utxo->satoshis-txfee)); if ( strcmp(method,"request") == 0 ) { utxo->swappending = (uint32_t)(time(NULL) + 60); utxo->otherpubkey = jbits256(argjson,"pubkey"); jaddstr(retjson,"result","reserved"); jaddnum(retjson,"pending",utxo->swappending); } retstr = jprint(retjson,1); LP_send(pubsock,retstr,1); } } } else if ( strcmp(method,"connect") == 0 ) { if ( utxo->pair < 0 ) { if ( (price= LP_price(base,rel)) != 0. ) { price *= (1. + profitmargin); txfee = LP_txfee(base); satoshis = j64bits(argjson,"satoshis"); desttxfee = LP_txfee(rel); desttxid = jbits256(argjson,"desttxid"); destvout = jint(argjson,"destvout"); timestamp = juint(argjson,"timestamp"); quotetime = juint(argjson,"quotetime"); privkey = LP_privkey(utxo->coinaddr); pubkey = LP_pubkey(privkey); srchash = jbits256(argjson,"srchash"); value = j64bits(argjson,"destsatoshis"); if ( timestamp == utxo->swappending-60 && quotetime >= timestamp && quotetime < utxo->swappending && bits256_cmp(pubkey,srchash) == 0 && (destsatoshis= LP_txvalue(rel,desttxid,destvout)) > price*(utxo->satoshis-txfee)+desttxfee && value <= destsatoshis-desttxfee ) { destsatoshis = value; if ( (utxo->pair= nn_socket(AF_SP,NN_PAIR)) < 0 ) printf("error creating utxo->pair\n"); else if ( (pairstr= jstr(argjson,"pair")) != 0 && nn_connect(utxo->pair,pairstr) >= 0 ) { desthash = jbits256(argjson,"desthash"); LP_requestinit(&R,srchash,desthash,base,satoshis,rel,destsatoshis,timestamp,quotetime,DEXselector); if ( OS_thread_create(malloc(sizeof(pthread_t)),NULL,(void *)LP_bobloop,(void *)utxo) != 0 ) { retjson = cJSON_CreateObject(); jaddstr(retjson,"result","connected"); jaddnum(retjson,"requestid",R.requestid); jaddnum(retjson,"quoteid",R.quoteid); retstr = jprint(retjson,1); LP_send(pubsock,retstr,1); utxo->swap = LP_swapinit(1,0,privkey,&R); } else { printf("error launching swaploop\n"); free(utxo->swap); utxo->swap = 0; nn_close(utxo->pair); utxo->pair = -1; } } else { if ( pairstr != 0 ) printf("printf error nn_connect to %s\n",pairstr); else printf("(%s) missing pair\n",jprint(argjson,0)); nn_close(utxo->pair); utxo->pair = -1; } } else printf("dest %.8f < required %.8f\n",dstr(value),dstr(price*(utxo->satoshis-txfee))); } else printf("no price for %s/%s\n",base,rel); } else printf("utxo->pair.%d when connect came in (%s)\n",utxo->pair,jprint(argjson,0)); } } } } char *stats_JSON(cJSON *argjson,char *remoteaddr,uint16_t port) // from rpc port { char *method,*ipaddr,*coin,*retstr = 0; uint16_t argport,pushport,subport; int32_t amclient,otherpeers,othernumutxos; struct LP_peerinfo *peer; cJSON *retjson; if ( (method= jstr(argjson,"method")) == 0 ) return(clonestr("{\"error\":\"need method in request\"}")); else { if ( (ipaddr= jstr(argjson,"ipaddr")) != 0 && (argport= juint(argjson,"port")) != 0 ) { if ( strcmp(ipaddr,"127.0.0.1") != 0 && port >= 1000 ) { if ( (pushport= juint(argjson,"push")) == 0 ) pushport = argport + 1; if ( (subport= juint(argjson,"sub")) == 0 ) subport = argport + 2; if ( (peer= LP_peerfind((uint32_t)calc_ipbits(ipaddr),argport)) != 0 ) { if ( (otherpeers= jint(argjson,"numpeers")) > peer->numpeers ) peer->numpeers = otherpeers; if ( (othernumutxos= jint(argjson,"numutxos")) > peer->numutxos ) { printf("change.(%s) numutxos.%d -> %d mynumutxos.%d\n",peer->ipaddr,peer->numutxos,othernumutxos,LP_mypeer->numutxos); peer->numutxos = othernumutxos; } //printf("peer.(%s) found (%d %d) (%d %d) (%s)\n",peer->ipaddr,peer->numpeers,peer->numutxos,otherpeers,othernumutxos,jprint(argjson,0)); } else LP_addpeer(LP_mypeer,LP_mypubsock,ipaddr,argport,pushport,subport,jdouble(argjson,"profit"),jint(argjson,"numpeers"),jint(argjson,"numutxos")); amclient = 0; } else amclient = 1; if ( strcmp(method,"getpeers") == 0 ) retstr = LP_peers(); else if ( strcmp(method,"getutxos") == 0 && (coin= jstr(argjson,"coin")) != 0 ) retstr = LP_utxos(LP_mypeer,coin,jint(argjson,"lastn")); else if ( strcmp(method,"notify") == 0 ) retstr = clonestr("{\"result\":\"success\",\"notify\":\"received\"}"); else if ( strcmp(method,"notifyutxo") == 0 ) { printf("utxonotify.(%s)\n",jprint(argjson,0)); LP_addutxo(amclient,LP_mypeer,LP_mypubsock,jstr(argjson,"coin"),jbits256(argjson,"txid"),jint(argjson,"vout"),SATOSHIDEN * jdouble(argjson,"value"),jbits256(argjson,"deposit"),jint(argjson,"dvout"),SATOSHIDEN * jdouble(argjson,"dvalue"),jstr(argjson,"script"),jstr(argjson,"address"),ipaddr,argport,jdouble(argjson,"profit")); retstr = clonestr("{\"result\":\"success\",\"notifyutxo\":\"received\"}"); } } else printf("malformed request.(%s)\n",jprint(argjson,0)); } if ( retstr != 0 ) return(retstr); retjson = cJSON_CreateObject(); jaddstr(retjson,"error","unrecognized command"); return(clonestr(jprint(retjson,1))); }