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/******************************************************************************
* 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_scan.c
// marketmaker
//
struct LP_transaction *LP_transactionfind(struct iguana_info *coin,bits256 txid)
{
struct LP_transaction *tx;
portable_mutex_lock(&coin->txmutex);
HASH_FIND(hh,coin->transactions,txid.bytes,sizeof(txid),tx);
portable_mutex_unlock(&coin->txmutex);
return(tx);
}
struct LP_transaction *LP_transactionadd(struct iguana_info *coin,bits256 txid,int32_t height,int32_t numvouts,int32_t numvins,uint32_t timestamp)
{
struct LP_transaction *tx; int32_t i;
if ( (tx= LP_transactionfind(coin,txid)) == 0 )
{
//char str[65]; printf("%s ht.%d u.%u NEW TXID.(%s) vouts.[%d]\n",coin->symbol,height,timestamp,bits256_str(str,txid),numvouts);
//if ( bits256_nonz(txid) == 0 && tx->height == 0 )
// getchar();
tx = calloc(1,sizeof(*tx) + (sizeof(*tx->outpoints) * numvouts));
for (i=0; i<numvouts; i++)
tx->outpoints[i].spendvini = -1;
tx->height = height;
tx->numvouts = numvouts;
tx->numvins = numvins;
tx->timestamp = timestamp;
tx->txid = txid;
portable_mutex_lock(&coin->txmutex);
HASH_ADD_KEYPTR(hh,coin->transactions,tx->txid.bytes,sizeof(tx->txid),tx);
portable_mutex_unlock(&coin->txmutex);
} // else printf("warning adding already existing txid %s\n",bits256_str(str,tx->txid));
return(tx);
}
int32_t LP_undospends(struct iguana_info *coin,int32_t lastheight)
{
int32_t i,ht,num = 0; uint32_t timestamp,blocktime; struct LP_transaction *tx,*tmp;
HASH_ITER(hh,coin->transactions,tx,tmp)
{
for (i=0; i<tx->numvouts; i++)
{
if ( bits256_nonz(tx->outpoints[i].spendtxid) == 0 )
continue;
if ( (ht= tx->outpoints[i].spendheight) == 0 )
{
tx->outpoints[i].spendheight = LP_txheight(&timestamp,&blocktime,coin,tx->outpoints[i].spendtxid);
}
if ( (ht= tx->outpoints[i].spendheight) != 0 && ht > lastheight )
{
char str[65]; printf("clear spend %s/v%d at ht.%d > lastheight.%d\n",bits256_str(str,tx->txid),i,ht,lastheight);
tx->outpoints[i].spendheight = 0;
tx->outpoints[i].spendvini = -1;
memset(tx->outpoints[i].spendtxid.bytes,0,sizeof(bits256));
}
}
}
return(num);
}
uint64_t LP_txinterestvalue(uint64_t *interestp,char *destaddr,struct iguana_info *coin,bits256 txid,int32_t vout)
{
uint64_t interest,value = 0; cJSON *txobj,*sobj,*array; int32_t n=0;
*interestp = 0;
destaddr[0] = 0;
if ( (txobj= LP_gettxout(coin->symbol,txid,vout)) != 0 )
{
if ( (value= jdouble(txobj,"amount")*SATOSHIDEN) == 0 && (value= jdouble(txobj,"value")*SATOSHIDEN) == 0 )
{
char str[65]; printf("%s LP_txvalue.%s strange utxo.(%s) vout.%d\n",coin->symbol,bits256_str(str,txid),jprint(txobj,0),vout);
}
else if ( strcmp(coin->symbol,"KMD") == 0 )
{
if ( (interest= jdouble(txobj,"interest")) != 0. )
{
//printf("add interest of %.8f to %.8f\n",interest,dstr(value));
*interestp = SATOSHIDEN * interest;
}
}
if ( (sobj= jobj(txobj,"scriptPubKey")) != 0 && (array= jarray(&n,sobj,"addresses")) != 0 )
{
strcpy(destaddr,jstri(array,0));
if ( n > 1 )
printf("LP_txinterestvalue warning: violation of 1 output assumption n.%d\n",n);
} else printf("LP_txinterestvalue no addresses found?\n");
//char str[65]; printf("dest.(%s) %.8f <- %s.(%s) txobj.(%s)\n",destaddr,dstr(value),coin->symbol,bits256_str(str,txid),jprint(txobj,0));
free_json(txobj);
} //else { char str[65]; printf("null gettxout return %s/v%d\n",bits256_str(str,txid),vout); }
return(value);
}
int32_t LP_transactioninit(struct iguana_info *coin,bits256 txid,int32_t iter)
{
struct LP_transaction *tx; char *address; int32_t i,n,height,numvouts,numvins,spentvout; uint32_t timestamp,blocktime; cJSON *txobj,*vins,*vouts,*vout,*vin,*sobj,*addresses; bits256 spenttxid; char str[65];
if ( (txobj= LP_gettx(coin->symbol,txid)) != 0 )
{
//printf("TX.(%s)\n",jprint(txobj,0));
height = LP_txheight(&timestamp,&blocktime,coin,txid);
if ( timestamp == 0 && height > 0 )
timestamp = blocktime;
vins = jarray(&numvins,txobj,"vin");
vouts = jarray(&numvouts,txobj,"vout");
if ( iter == 0 && vouts != 0 && (tx= LP_transactionadd(coin,txid,height,numvouts,numvins,timestamp)) != 0 )
{
for (i=0; i<numvouts; i++)
{
vout = jitem(vouts,i);
if ( (tx->outpoints[i].value= SATOSHIDEN * jdouble(vout,"value")) == 0 )
tx->outpoints[i].value = SATOSHIDEN * jdouble(vout,"amount");
tx->outpoints[i].interest = SATOSHIDEN * jdouble(vout,"interest");
if ( (sobj= jobj(vout,"scriptPubKey")) != 0 )
{
if ( (addresses= jarray(&n,sobj,"addresses")) != 0 && n > 0 )
{
if ( n > 1 )
printf("LP_transactioninit: txid.(%s) multiple addresses.[%s]\n",bits256_str(str,txid),jprint(addresses,0));
if ( (address= jstri(addresses,0)) != 0 && strlen(address) < sizeof(tx->outpoints[i].coinaddr) )
{
strcpy(tx->outpoints[i].coinaddr,address);
} else if ( tx->outpoints[i].value != 0 )
printf("LP_transactioninit: unexpected address.(%s)\n",jprint(addresses,0));
}
//else if ( tx->outpoints[i].value != 0 )
// printf("LP_transactioninit: pax tx ht.%d i.%d (%s) n.%d\n",height,i,jprint(vout,0),n);
}
}
}
if ( iter == 1 && vins != 0 )
{
for (i=0; i<numvins; i++)
{
vin = jitem(vins,i);
spenttxid = jbits256(vin,"txid");
spentvout = jint(vin,"vout");
if ( i == 0 && bits256_nonz(spenttxid) == 0 )
continue;
if ( (tx= LP_transactionfind(coin,spenttxid)) != 0 )
{
if ( spentvout < tx->numvouts )
{
tx->outpoints[spentvout].spendtxid = txid;
tx->outpoints[spentvout].spendvini = i;
tx->outpoints[spentvout].spendheight = height;
//printf("spend %s %s/v%d at ht.%d\n",coin->symbol,bits256_str(str,tx->txid),spentvout,height);
} else printf("LP_transactioninit: %s spentvout.%d < numvouts.%d\n",bits256_str(str,spenttxid),spentvout,tx->numvouts);
} //else printf("LP_transactioninit: couldnt find (%s) ht.%d %s\n",bits256_str(str,spenttxid),height,jprint(vin,0));
if ( bits256_cmp(spenttxid,txid) == 0 )
printf("spending same tx's %p vout ht.%d %s.[%d] s%d\n",tx,height,bits256_str(str,txid),tx!=0?tx->numvouts:0,spentvout);
}
}
free_json(txobj);
return(0);
} //else printf("LP_transactioninit error for %s %s\n",coin->symbol,bits256_str(str,txid));
return(-1);
}
int32_t LP_blockinit(struct iguana_info *coin,int32_t height)
{
int32_t i,j,iter,numtx,checkht=-1; cJSON *blockobj,*txs; bits256 txid; struct LP_transaction *tx;
if ( (blockobj= LP_blockjson(&checkht,coin->symbol,0,height)) != 0 && checkht == height )
{
if ( (txs= jarray(&numtx,blockobj,"tx")) != 0 )
{
for (iter=0; iter<2; iter++)
for (i=0; i<numtx; i++)
{
txid = jbits256i(txs,i);
if ( (tx= LP_transactionfind(coin,txid)) != 0 )
{
if ( tx->height == 0 )
tx->height = height;
else if ( tx->height != height )
{
printf("LP_blockinit: tx->height %d != %d\n",tx->height,height);
tx->height = height;
}
if ( iter == 1 )
for (j=0; j<10; j++)
{
if (LP_transactioninit(coin,txid,iter) == 0 )
break;
printf("transaction ht.%d init error.%d, pause\n",height,j);
sleep(1);
}
}
else
{
for (j=0; j<10; j++)
{
if (LP_transactioninit(coin,txid,iter) == 0 )
break;
printf("transaction ht.%d init error.%d, pause\n",height,j);
sleep(1);
}
}
}
}
free_json(blockobj);
}
if ( checkht == height )
return(0);
else return(-1);
}
int32_t LP_scanblockchain(struct iguana_info *coin,int32_t startheight,int32_t endheight)
{
int32_t ht,n = 0;
for (ht=startheight; ht<=endheight; ht++)
{
if ( LP_blockinit(coin,ht) < 0 )
{
printf("error loading block.%d of (%d, %d)\n",ht,startheight,endheight);
return(ht-1);
}
n++;
if ( (n % 1000) == 0 )
fprintf(stderr,"%.1f%% ",100. * (double)n/(endheight-startheight+1));
}
return(endheight);
}
char *banned_txids[] =
{
"78cb4e21245c26b015b888b14c4f5096e18137d2741a6de9734d62b07014dfca", //233559
"00697be658e05561febdee1aafe368b821ca33fbb89b7027365e3d77b5dfede5", //234172
"e909465788b32047c472d73e882d79a92b0d550f90be008f76e1edaee6d742ea", //234187
"f56c6873748a327d0b92b8108f8ec8505a2843a541b1926022883678fb24f9dc", //234188
"abf08be07d8f5b3a433ddcca7ef539e79a3571632efd6d0294ec0492442a0204", //234213
"3b854b996cc982fba8c06e76cf507ae7eed52ab92663f4c0d7d10b3ed879c3b0", //234367
"fa9e474c2cda3cb4127881a40eb3f682feaba3f3328307d518589024a6032cc4", //234635
"ca746fa13e0113c4c0969937ea2c66de036d20274efad4ce114f6b699f1bc0f3", //234662
"43ce88438de4973f21b1388ffe66e68fda592da38c6ef939be10bb1b86387041", //234697
"0aeb748de82f209cd5ff7d3a06f65543904c4c17387c9d87c65fd44b14ad8f8c", //234899
"bbd3a3d9b14730991e1066bd7c626ca270acac4127131afe25f877a5a886eb25", //235252
"fa9943525f2e6c32cbc243294b08187e314d83a2870830180380c3c12a9fd33c", //235253
"a01671c8775328a41304e31a6693bbd35e9acbab28ab117f729eaba9cb769461", //235265
"2ef49d2d27946ad7c5d5e4ab5c089696762ff04e855f8ab48e83bdf0cc68726d", //235295
"c85dcffb16d5a45bd239021ad33443414d60224760f11d535ae2063e5709efee", //235296
// all vouts banned
"c4ea1462c207547cd6fb6a4155ca6d042b22170d29801a465db5c09fec55b19d", //246748
"305dc96d8bc23a69d3db955e03a6a87c1832673470c32fe25473a46cc473c7d1", //247204
};
int32_t komodo_bannedset(int32_t *indallvoutsp,bits256 *array,int32_t max)
{
int32_t i;
if ( sizeof(banned_txids)/sizeof(*banned_txids) > max )
{
fprintf(stderr,"komodo_bannedset: buffer too small %ld vs %d\n",(long)sizeof(banned_txids)/sizeof(*banned_txids),max);
exit(-1);
}
for (i=0; i<sizeof(banned_txids)/sizeof(*banned_txids); i++)
decode_hex(array[i].bytes,sizeof(array[i]),banned_txids[i]);
*indallvoutsp = i-2;
return(i);
}
int sort_balance(void *a,void *b)
{
int64_t aval,bval;
/* compare a to b (cast a and b appropriately)
* return (int) -1 if (a < b)
* return (int) 0 if (a == b)
* return (int) 1 if (a > b)
*/
aval = ((struct LP_address *)a)->balance;
bval = ((struct LP_address *)b)->balance;
//printf("%.8f vs %.8f -> %d\n",dstr(aval),dstr(bval),(int32_t)(bval - aval));
return((aval == bval) ? 0 : ((aval < bval) ? 1 : -1));
}
// a primitive restore can be done by loading the previous snapshot and creating a virtual tx for all the balance at height-1. this wont allow anything but new snapshots, but for many use cases that is all that is needed
cJSON *LP_snapshot(struct iguana_info *coin,int32_t height)
{
static bits256 bannedarray[64]; static int32_t numbanned,indallvouts,maxsnapht; static char lastcoin[16];
struct LP_transaction *tx,*tmp; struct LP_address *ap,*atmp; int32_t isKMD,i,j,n,skipflag=0,startht,endht,ht; uint64_t banned_balance=0,balance=0,noaddr_balance=0; cJSON *retjson,*array,*item;
if ( bannedarray[0].txid == 0 )
numbanned = komodo_bannedset(&indallvouts,bannedarray,(int32_t)(sizeof(bannedarray)/sizeof(*bannedarray)));
startht = 1;
endht = height-1;
if ( strcmp(coin->symbol,lastcoin) == 0 )
{
if ( maxsnapht > height )
skipflag = 1;
else startht = maxsnapht+1;
}
else
{
maxsnapht = 0;
strcpy(lastcoin,coin->symbol);
}
retjson = cJSON_CreateObject();
if ( skipflag == 0 && startht < endht )
{
if ( (ht= LP_scanblockchain(coin,startht,endht)) < endht )
{
if ( ht > maxsnapht )
{
maxsnapht = ht;
printf("maxsnapht.%d for %s\n",maxsnapht,coin->symbol);
}
sleep(10);
if ( (ht= LP_scanblockchain(coin,maxsnapht+1,endht)) < endht )
{
if ( ht > maxsnapht )
{
maxsnapht = ht;
printf("maxsnapht.%d for %s\n",maxsnapht,coin->symbol);
}
jaddstr(retjson,"error","blockchain scan error");
return(retjson);
}
}
if ( ht > maxsnapht )
{
maxsnapht = ht;
printf("maxsnapht.%d for %s\n",maxsnapht,coin->symbol);
}
}
portable_mutex_lock(&coin->txmutex);
HASH_ITER(hh,coin->addresses,ap,atmp)
{
ap->balance = 0;
}
isKMD = (strcmp(coin->symbol,"KMD") == 0) ? 1 : 0;
HASH_ITER(hh,coin->transactions,tx,tmp)
{
if ( tx->height < height )
{
if ( isKMD != 0 )
{
for (j=0; j<numbanned; j++)
if ( bits256_cmp(bannedarray[j],tx->txid) == 0 )
break;
if ( j < numbanned )
{
for (i=0; i<tx->numvouts; i++)
banned_balance += tx->outpoints[i].value;
//char str[256]; printf("skip banned %s bannedtotal: %.8f\n",bits256_str(str,tx->txid),dstr(banned_balance));
continue;
}
}
for (i=0; i<tx->numvouts; i++)
{
if ( (ht=tx->outpoints[i].spendheight) > 0 && ht < height )
continue;
if ( tx->outpoints[i].coinaddr[0] != 0 && (ap= _LP_address(coin,tx->outpoints[i].coinaddr)) != 0 )
{
balance += tx->outpoints[i].value;
ap->balance += tx->outpoints[i].value;
//printf("(%s/%s) %.8f %.8f\n",tx->outpoints[i].coinaddr,ap->coinaddr,dstr(tx->outpoints[i].value),dstr(ap->balance));
} else noaddr_balance += tx->outpoints[i].value;
}
}
}
HASH_SORT(coin->addresses,sort_balance);
portable_mutex_unlock(&coin->txmutex);
printf("%s balance %.8f at height.%d\n",coin->symbol,dstr(balance),height);
array = cJSON_CreateArray();
n = 0;
HASH_ITER(hh,coin->addresses,ap,atmp)
{
if ( ap->balance != 0 )
{
item = cJSON_CreateObject();
jaddnum(item,ap->coinaddr,dstr(ap->balance));
jaddi(array,item);
n++;
}
}
jadd(retjson,"balances",array);
jaddstr(retjson,"coin",coin->symbol);
jaddnum(retjson,"height",height);
jaddnum(retjson,"numaddresses",n);
jaddnum(retjson,"total",dstr(balance));
jaddnum(retjson,"noaddr_total",dstr(noaddr_balance));
return(retjson);
}
char *LP_snapshot_balance(struct iguana_info *coin,int32_t height,cJSON *argjson)
{
cJSON *snapjson,*retjson,*balances,*array,*addrs,*child,*item,*item2; char *coinaddr,*refaddr; int32_t i,n,j,m; uint64_t total=0,value,balance = 0;
retjson = cJSON_CreateObject();
array = cJSON_CreateArray();
if ( (snapjson= LP_snapshot(coin,height)) != 0 )
{
total = jdouble(snapjson,"total") * SATOSHIDEN;
if ( (addrs= jarray(&m,argjson,"addresses")) != 0 )
{
if ( (balances= jarray(&n,snapjson,"balances")) != 0 )
{
for (i=0; i<n; i++)
{
item = jitem(balances,i);
if ( (child= item->child) != 0 )
{
value = (uint64_t)(child->valuedouble * SATOSHIDEN);
if ( (refaddr= get_cJSON_fieldname(child)) != 0 )
{
//printf("check %s %.8f against %d\n",refaddr,dstr(value),m);
for (j=0; j<m; j++)
{
if ( (coinaddr= jstri(addrs,j)) != 0 )
{
if ( strcmp(coinaddr,refaddr) == 0 )
{
item2 = cJSON_CreateObject();
jaddnum(item2,coinaddr,dstr(value));
jaddi(array,item2);
balance += value;
break;
}
}
}
}
}
}
}
}
free_json(snapjson);
}
jadd(retjson,"balances",array);
jaddstr(retjson,"coin",coin->symbol);
jaddnum(retjson,"height",height);
jaddnum(retjson,"balance",dstr(balance));
jaddnum(retjson,"total",dstr(total));
return(jprint(retjson,1));
}
char *LP_dividends(struct iguana_info *coin,int32_t height,cJSON *argjson)
{
cJSON *array,*retjson,*item,*child,*exclude=0; int32_t i,j,emitted=0,dusted=0,n,execflag=0,flag,iter,numexcluded=0; char buf[1024],*field,*prefix="",*suffix=""; uint64_t dustsum=0,excluded=0,total=0,dividend=0,value,val,emit=0,dust=0; double ratio = 1.;
if ( (retjson= LP_snapshot(coin,height)) != 0 )
{
//printf("SNAPSHOT.(%s)\n",retstr);
if ( (array= jarray(&n,retjson,"balances")) != 0 )
{
if ( (n= cJSON_GetArraySize(array)) != 0 )
{
if ( argjson != 0 )
{
exclude = jarray(&numexcluded,argjson,"exclude");
dust = (uint64_t)(jdouble(argjson,"dust") * SATOSHIDEN);
dividend = (uint64_t)(jdouble(argjson,"dividend") * SATOSHIDEN);
if ( jstr(argjson,"prefix") != 0 )
prefix = jstr(argjson,"prefix");
if ( jstr(argjson,"suffix") != 0 )
suffix = jstr(argjson,"suffix");
execflag = jint(argjson,"system");
}
for (iter=0; iter<2; iter++)
{
for (i=0; i<n; i++)
{
flag = 0;
item = jitem(array,i);
if ( (child= item->child) != 0 )
{
value = (uint64_t)(child->valuedouble * SATOSHIDEN);
if ( (field= get_cJSON_fieldname(child)) != 0 )
{
for (j=0; j<numexcluded; j++)
if ( strcmp(field,jstri(exclude,j)) == 0 )
{
flag = 1;
break;
}
}
//printf("(%s %s %.8f) ",jprint(item,0),field,dstr(value));
if ( iter == 0 )
{
if ( flag != 0 )
excluded += value;
else total += value;
}
else
{
if ( flag == 0 )
{
val = ratio * value;
if ( val >= dust )
{
sprintf(buf,"%s %s %.8f %s",prefix,field,dstr(val),suffix);
if ( execflag != 0 )
{
if ( system(buf) != 0 )
printf("error system.(%s)\n",buf);
}
else printf("%s\n",buf);
emit += val;
emitted++;
} else dustsum += val, dusted++;
}
}
}
}
if ( iter == 0 )
{
if ( total > 0 )
{
if ( dividend == 0 )
dividend = total;
ratio = (double)dividend / total;
} else break;
}
}
}
}
free_json(retjson);
retjson = cJSON_CreateObject();
jaddstr(retjson,"coin",coin->symbol);
jaddnum(retjson,"height",height);
jaddnum(retjson,"total",dstr(total));
jaddnum(retjson,"emitted",emitted);
jaddnum(retjson,"excluded",dstr(excluded));
if ( dust != 0 )
{
jaddnum(retjson,"dust",dstr(dust));
jaddnum(retjson,"dusted",dusted);
}
if ( dustsum != 0 )
jaddnum(retjson,"dustsum",dstr(dustsum));
jaddnum(retjson,"dividend",dstr(dividend));
jaddnum(retjson,"dividends",dstr(emit));
jaddnum(retjson,"ratio",ratio);
if ( execflag != 0 )
jaddnum(retjson,"system",execflag);
/*if ( prefix[0] != 0 )
jaddstr(retjson,"prefix",prefix);
if ( suffix[0] != 0 )
jaddstr(retjson,"suffix",suffix);*/
return(jprint(retjson,1));
}
return(clonestr("{\"error\":\"symbol not found\"}"));
}
int64_t basilisk_txvalue(char *symbol,bits256 txid,int32_t vout)
{
char destaddr[64]; uint64_t value,interest = 0; struct iguana_info *coin;
if ( (coin= LP_coinfind(symbol)) == 0 || coin->inactive != 0 )
return(0);
//char str[65]; printf("%s txvalue.(%s)\n",symbol,bits256_str(str,txid));
value = LP_txinterestvalue(&interest,destaddr,coin,txid,vout);
return(value + interest);
}
uint64_t LP_txvalue(char *coinaddr,char *symbol,bits256 txid,int32_t vout)
{
struct LP_transaction *tx; char _coinaddr[64]; uint64_t interest = 0,value = 0; struct iguana_info *coin;
if ( (coin= LP_coinfind(symbol)) == 0 || coin->inactive != 0 )
return(0);
if ( coinaddr != 0 )
coinaddr[0] = 0;
if ( (tx= LP_transactionfind(coin,txid)) != 0 )
{
if ( vout < tx->numvouts )
{
if ( bits256_nonz(tx->outpoints[vout].spendtxid) != 0 )
{
//char str[65]; printf("%s/v%d is spent\n",bits256_str(str,txid),vout);
return(0);
}
else
{
if ( coinaddr != 0 )
value = LP_txinterestvalue(&tx->outpoints[vout].interest,coinaddr,coin,txid,vout);
//printf("return value %.8f + interest %.8f\n",dstr(tx->outpoints[vout].value),dstr(tx->outpoints[vout].interest));
return(tx->outpoints[vout].value + tx->outpoints[vout].interest);
}
} else printf("vout.%d >= tx->numvouts.%d\n",vout,tx->numvouts);
}
if ( tx == 0 )
{
LP_transactioninit(coin,txid,0);
LP_transactioninit(coin,txid,1);
}
if ( coinaddr == 0 )
coinaddr = _coinaddr;
value = LP_txinterestvalue(&interest,coinaddr,coin,txid,vout);
//printf("coinaddr.(%s) value %.8f interest %.8f\n",coinaddr,dstr(value),dstr(interest));
return(value + interest);
}
int32_t LP_spendsearch(bits256 *spendtxidp,int32_t *indp,char *symbol,bits256 searchtxid,int32_t searchvout)
{
struct LP_transaction *tx; struct iguana_info *coin;
*indp = -1;
if ( (coin= LP_coinfind(symbol)) == 0 || coin->inactive != 0 )
return(-1);
memset(spendtxidp,0,sizeof(*spendtxidp));
if ( (tx= LP_transactionfind(coin,searchtxid)) != 0 )
{
if ( searchvout < tx->numvouts && tx->outpoints[searchvout].spendvini >= 0 )
{
*spendtxidp = tx->outpoints[searchvout].spendtxid;
*indp = tx->outpoints[searchvout].spendvini;
return(tx->outpoints[searchvout].spendheight);
}
}
return(-1);
}
int32_t LP_mempoolscan(char *symbol,bits256 searchtxid)
{
int32_t i,n; cJSON *array; bits256 txid; struct iguana_info *coin; struct LP_transaction *tx;
if ( (coin= LP_coinfind(symbol)) == 0 || coin->inactive != 0 )
return(-1);
if ( (array= LP_getmempool(symbol)) != 0 )
{
if ( is_cJSON_Array(array) != 0 && (n= cJSON_GetArraySize(array)) > 0 )
{
for (i=0; i<n; i++)
{
txid = jbits256i(array,i);
if ( (tx= LP_transactionfind(coin,txid)) == 0 )
{
LP_transactioninit(coin,txid,0);
LP_transactioninit(coin,txid,1);
}
if ( bits256_cmp(txid,searchtxid) == 0 )
{
char str[65]; printf("found %s tx.(%s) in mempool slot.%d\n",symbol,bits256_str(str,txid),i);
return(i);
}
}
}
free_json(array);
}
return(-1);
}
int32_t LP_numconfirms(struct basilisk_swap *swap,struct basilisk_rawtx *rawtx,int32_t mempool)
{
struct iguana_info *coin; int32_t numconfirms = 100;
//#ifndef BASILISK_DISABLEWAITTX
cJSON *txobj;
if ( (coin= LP_coinfind(rawtx->coin->symbol)) == 0 || coin->inactive != 0 )
return(-1);
numconfirms = -1;
if ( (txobj= LP_gettx(rawtx->coin->symbol,rawtx->I.signedtxid)) != 0 )
{
if ( coin->electrum == 0 )
numconfirms = jint(txobj,"confirmations");
else numconfirms = coin->height - jint(txobj,"height");
free_json(txobj);
}
else if ( mempool != 0 && LP_mempoolscan(rawtx->coin->symbol,rawtx->I.signedtxid) >= 0 )
numconfirms = 0;
//#endif
return(numconfirms);
}
int32_t LP_waitmempool(char *symbol,bits256 txid,int32_t duration)
{
uint32_t expiration = (uint32_t)time(NULL) + duration;
while ( time(NULL) < expiration )
{
if ( LP_mempoolscan(symbol,txid) >= 0 )
return(0);
usleep(500000);
}
return(-1);
}
int32_t LP_mempool_vinscan(bits256 *spendtxidp,int32_t *spendvinp,char *symbol,bits256 searchtxid,int32_t searchvout,bits256 searchtxid2,int32_t searchvout2)
{
struct iguana_info *coin; int32_t selector; cJSON *array;
if ( symbol == 0 || symbol[0] == 0 || bits256_nonz(searchtxid) == 0 || bits256_nonz(searchtxid2) == 0 )
return(-1);
if ( (coin= LP_coinfind(symbol)) == 0 || coin->inactive != 0 )
return(-1);
if ( time(NULL) > coin->lastmempool+LP_MEMPOOL_TIMEINCR )
{
if ( (array= LP_getmempool(symbol)) != 0 )
{
free_json(array);
coin->lastmempool = (uint32_t)time(NULL);
}
}
if ( (selector= LP_spendsearch(spendtxidp,spendvinp,symbol,searchtxid,searchvout)) >= 0 )
return(selector);
else if ( (selector= LP_spendsearch(spendtxidp,spendvinp,symbol,searchtxid2,searchvout2)) >= 0 )
return(selector);
return(-1);
}