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* 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 *
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******************************************************************************/
//
// LP_mpnet.c
// marketmaker
//
bits256 MPNET_txids[1024];
int32_t num_MPNET_txids;
int32_t LP_tradecommand(int32_t from_mpnet,void *ctx,char *myipaddr,int32_t pubsock,cJSON *argjson,uint8_t *data,int32_t datalen);
int32_t LP_quoteparse(struct LP_quoteinfo *qp,cJSON *argjson);
void LP_gtc_addorder(struct LP_quoteinfo *qp);
char *LP_withdraw(struct iguana_info *coin,cJSON *argjson);
int32_t LP_mpnet_find(bits256 txid)
{
int32_t i;
for (i=0; i<num_MPNET_txids; i++)
if ( bits256_cmp(txid,MPNET_txids[i]) == 0 )
return(i);
return(-1);
}
int32_t LP_mpnet_add(bits256 txid)
{
if ( num_MPNET_txids < sizeof(MPNET_txids)/sizeof(*MPNET_txids) )
{
MPNET_txids[num_MPNET_txids++] = txid;
return(num_MPNET_txids);
}
printf("MPNET_txids[] overflow\n");
return(-1);
}
int32_t LP_mpnet_remove(bits256 txid)
{
int32_t i;
if ( (i= LP_mpnet_find(txid)) >= 0 )
{
MPNET_txids[i] = MPNET_txids[--num_MPNET_txids];
return(i);
}
return(-1);
}
int32_t LP_mpnet_addorder(struct LP_quoteinfo *qp)
{
uint64_t destvalue,destvalue2;
if ( LP_iseligible(&destvalue,&destvalue2,0,qp->destcoin,qp->desttxid,qp->destvout,qp->destsatoshis,qp->feetxid,qp->feevout) > 0 )
{
LP_gtc_addorder(qp);
return(0);
}
return(-1);
}
void LP_mpnet_init() // problem is coins not enabled yet
{
char fname[1024],line[8192]; FILE *fp; struct LP_quoteinfo Q; cJSON *argjson;
sprintf(fname,"%s/GTC/orders",GLOBAL_DBDIR), OS_compatible_path(fname);
if ( (fp= fopen(fname,"rb+")) != 0 )
{
while ( fgets(line,sizeof(line),fp) > 0 )
{
if ( (argjson= cJSON_Parse(line)) != 0 )
{
if ( LP_quoteparse(&Q,argjson) == 0 )
{
if ( LP_mpnet_addorder(&Q) == 0 )
printf("GTC %s",line);
}
free_json(argjson);
}
}
fclose(fp);
}
}
void LP_mpnet_send(int32_t localcopy,char *msg,int32_t sendflag,char *otheraddr)
{
char fname[1024]; int32_t len; FILE *fp; char *hexstr,*retstr; cJSON *argjson,*outputs,*item; struct iguana_info *coin; uint8_t linebuf[8192];
if ( localcopy != 0 )
{
sprintf(fname,"%s/GTC/orders",GLOBAL_DBDIR), OS_compatible_path(fname);
if ( (fp= fopen(fname,"rb+")) == 0 )
fp = fopen(fname,"wb+");
else fseek(fp,0,SEEK_END);
fprintf(fp,"%s\n",msg);
fclose(fp);
}
if ( G.mpnet != 0 && sendflag != 0 && (coin= LP_coinfind("CHIPS")) != 0 && coin->inactive == 0 )
{
len = MMJSON_encode(linebuf,msg);
//curl --url "http://127.0.0.1:7783" --data "{\"userpass\":\"$userpass\",\"method\":\"withdraw\",\"coin\":\"CHIPS\",\"outputs\":[{\"RHV2As4rox97BuE3LK96vMeNY8VsGRTmBj\":0.0001}],\"opreturn\":\"deadbeef\"}"
if ( len > 0 )
{
argjson = cJSON_CreateObject();
outputs = cJSON_CreateArray();
if ( otheraddr != 0 && otheraddr[0] != 0 )
{
item = cJSON_CreateObject();
jaddnum(item,otheraddr,dstr(10000));
jaddi(outputs,item);
}
item = cJSON_CreateObject();
jaddnum(item,coin->smartaddr,dstr(10000));
jaddi(outputs,item);
jadd(argjson,"outputs",outputs);
jaddnum(argjson,"broadcast",1);
jaddstr(argjson,"coin",coin->symbol);
hexstr = calloc(1,len*2 + 1);
init_hexbytes_noT(hexstr,linebuf,len);
jaddstr(argjson,"opreturn",hexstr);
free(hexstr);
retstr = LP_withdraw(coin,argjson);
free_json(argjson);
if ( retstr != 0 )
{
//printf("mpnet.%s\n",retstr);
free(retstr);
}
}
}
}
cJSON *LP_mpnet_parse(struct iguana_info *coin,bits256 txid)
{
cJSON *txobj,*vouts,*sobj,*argjson = 0; char *decodestr,*hexstr; uint8_t *buf,linebuf[8192]; int32_t len,n,hlen;
if ( (txobj= LP_gettx("mpnet",coin->symbol,txid,0)) != 0 )
{
if ( (vouts= jarray(&n,txobj,"vout")) != 0 )
{
if ( (sobj= jobj(jitem(vouts,n-1),"scriptPubKey")) != 0 && (hexstr= jstr(sobj,"hex")) != 0 && (hlen= strlen(hexstr)) < sizeof(linebuf)*2 )
{
len = (hlen >> 1);
decode_hex(linebuf,len,hexstr);
buf = linebuf;
//printf("hexstr.(%s)\n",hexstr);
if ( *buf == 0x6a )
{
buf++, len--;
if ( *buf == 0x4d )
{
buf++, len--;
n = buf[0] + buf[1]*256;
buf += 2, len -= 2;
if ( n == len )
{
if ( (decodestr= MMJSON_decode(buf,len)) != 0 )
argjson = cJSON_Parse(decodestr);
}
}
}
if ( 0 && argjson == 0 )
printf("unhandled case.(%s)\n",hexstr);
}
}
if ( 0 && argjson == 0 )
printf("unhandled tx.(%s)\n",jprint(txobj,0));
free_json(txobj);
}
return(argjson);
}
// 2151978
// 404bc4ac452db07ed16376b3d7e77dbfc22b4a68f7243797125bd0d3bdddf8d1
// 893b46634456034a6d5d73b67026aa157b5e2addbfc6344dfbea6bae85f7dde0
// 717c7ef9de8504bd331f3ef52ed0a16ea0e070434e12cb4d63f5f081e999c43d dup
void LP_mpnet_process(void *ctx,char *myipaddr,int32_t pubsock,struct iguana_info *coin,bits256 txid)
{
cJSON *argjson; char str[65];
if ( LP_mpnet_find(txid) < 0 )
{
//printf("unique %s\n",bits256_str(str,txid));
if ( (argjson= LP_mpnet_parse(coin,txid)) != 0 )
{
//printf("MPNET.(%s)\n",jprint(argjson,0));
LP_tradecommand(1,ctx,myipaddr,pubsock,argjson,0,0);
free_json(argjson);
}
LP_mpnet_add(txid);
}
}
cJSON *LP_mpnet_get(void *ctx,char *myipaddr,int32_t pubsock,struct iguana_info *coin)
{
static int32_t lastheight; static bits256 lasthash;
int32_t i,n=0,numtx,checkht = 0,height = 0; bits256 latesthash,hash,txid,zero; char hashstr[65],str[65]; cJSON *txs,*blockjson;
memset(zero.bytes,0,sizeof(zero));
latesthash = LP_getbestblockhash(coin);
bits256_str(hashstr,latesthash);
if ( (blockjson= LP_blockjson(&checkht,coin->symbol,hashstr,0)) != 0 )
{
hash = latesthash;
while ( bits256_cmp(lasthash,hash) != 0 && n++ < 3 )
{
if ( (txs= jarray(&numtx,blockjson,"tx")) != 0 )
{
for (i=0; i<numtx; i++)
{
txid = jbits256i(txs,i);
LP_mpnet_process(ctx,myipaddr,pubsock,coin,txid);
LP_mpnet_remove(txid);
//printf("ht.%d n.%d i.%d %s\n",checkht,n,i,bits256_str(str,txid));
}
}
hash = jbits256(blockjson,"previousblockhash");
free_json(blockjson);
bits256_str(hashstr,hash);
if ( (blockjson= LP_blockjson(&checkht,coin->symbol,hashstr,0)) == 0 )
break;
}
lasthash = latesthash;
if ( blockjson != 0 )
free_json(blockjson);
if ( (txs= LP_getmempool(coin->symbol,coin->smartaddr,zero,zero)) != 0 )
{
numtx = cJSON_GetArraySize(txs);
for (i=0; i<numtx; i++)
{
txid = jbits256i(txs,i);
LP_mpnet_process(ctx,myipaddr,pubsock,coin,txid);
//printf("mp i.%d %s\n",i,bits256_str(str,txid));
}
}
}
return(0);
}
void LP_mpnet_check(void *ctx,char *myipaddr,int32_t pubsock)
{
static uint32_t lasttime;
struct iguana_info *coin = LP_coinfind("CHIPS");
if ( coin != 0 && coin->inactive == 0 && time(NULL) > lasttime+5 )
{
LP_mpnet_get(ctx,myipaddr,pubsock,coin);
lasttime = (uint32_t)time(NULL);
}
}