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/******************************************************************************
* Copyright © 2014-2018 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_instantdex.c
// marketmaker
//
void LP_instantdex_txidaddfname(char *fname,char *afname,char *coinaddr)
{
if ( coinaddr == 0 || coinaddr[0] == 0 )
{
sprintf(fname,"%s/instantdex.json",GLOBAL_DBDIR);
sprintf(afname,"%s/instantdex_append.json",GLOBAL_DBDIR);
}
else
{
sprintf(fname,"%s/instantdex_%s.json",GLOBAL_DBDIR,coinaddr);
sprintf(afname,"%s/instantdex_%s_append.json",GLOBAL_DBDIR,coinaddr);
}
}
cJSON *LP_instantdex_txids(int32_t appendonly,char *coinaddr)
{
char *filestr,fname[1024],afname[1024]; long fsize; cJSON *retjson=0;
LP_instantdex_txidaddfname(fname,afname,coinaddr);
if ( (filestr= OS_filestr(&fsize,appendonly != 0 ? afname : fname)) != 0 )
{
retjson = cJSON_Parse(filestr);
free(filestr);
} else printf("couldnt open (%s) or (%s)\n",fname,afname);
return(retjson);
}
void LP_instantdex_filewrite(int32_t appendfile,cJSON *array,char *coinaddr)
{
FILE *fp; char *filestr,fname[1024],afname[1024];
LP_instantdex_txidaddfname(fname,afname,coinaddr);
if ( (fp= fopen(appendfile == 0 ? fname : afname,"wb")) != 0 )
{
filestr = jprint(array,0);
fwrite(filestr,1,strlen(filestr)+1,fp);
fclose(fp);
free(filestr);
}
}
void LP_instantdex_deposituniq(FILE *fp,bits256 txid)
{
int32_t i,n; bits256 prevtxid; char str[65];
n = (int32_t)(ftell(fp) / sizeof(txid));
for (i=0; i<n; i++)
{
fseek(fp,sizeof(prevtxid) * i,SEEK_SET);
if ( fread(&prevtxid,1,sizeof(prevtxid),fp) != sizeof(prevtxid) )
printf("error reading deposit file\n");
if ( bits256_cmp(prevtxid,txid) == 0 )
{
//printf("%s duplicate of deposits[%d]\n",bits256_str(str,prevtxid),i);
break;
}
}
if ( i == n )
{
fwrite(&txid,1,sizeof(txid),fp);
printf("uniq %s, ftell.%ld\n",bits256_str(str,txid),ftell(fp));
} else fseek(fp,n * sizeof(txid),SEEK_SET);
}
void LP_instantdex_filescreate(char *coinaddr)
{
char fname[512]; FILE *fp; bits256 txid; int32_t i,j,n; cJSON *array,*newarray,*txobj;
sprintf(fname,"%s/deposits.%s",GLOBAL_DBDIR,coinaddr), OS_compatible_path(fname);
if ( (fp= fopen(fname,"rb")) == 0 )
{
if ( (fp= fopen(fname,"wb+")) != 0 )
{
//printf("created %s\n",fname);
for (i=0; i<2; i++)
{
if ( (array= LP_instantdex_txids(i,coinaddr)) != 0 )
{
if ( (n= cJSON_GetArraySize(array)) > 0 )
{
for (j=0; j<n; j++)
{
txid = jbits256i(array,j);
//char str[65]; printf("j.%d of %d: %s\n",j,n,bits256_str(str,txid));
LP_instantdex_deposituniq(fp,txid);
fflush(fp);
}
}
//printf("i.%d n.%d\n",i,n);
free_json(array);
}
}
fclose(fp);
} else printf("couldnt create %s\n",fname);
} else fclose(fp);
if ( (fp= fopen(fname,"rb")) != 0 )
{
array = cJSON_CreateArray();
newarray = cJSON_CreateArray();
fseek(fp,0,SEEK_END);
n = (int32_t)(ftell(fp) / sizeof(txid));
for (i=0; i<n; i++)
{
fseek(fp,sizeof(txid) * i,SEEK_SET);
if ( fread(&txid,1,sizeof(txid),fp) != sizeof(txid) )
printf("error creating %s\n",fname);
jaddibits256(array,txid);
if ( (txobj= LP_gettxout("KMD",coinaddr,txid,0)) != 0 )
free_json(txobj);
else
{
//char str[65]; printf("%s/v%d is already spent\n",bits256_str(str,txid),0);
continue;
}
jaddibits256(newarray,txid);
}
fclose(fp);
LP_instantdex_filewrite(0,newarray,coinaddr);
free_json(newarray);
LP_instantdex_filewrite(1,array,coinaddr);
free_json(array);
}
}
void LP_instantdex_depositadd(char *coinaddr,bits256 txid)
{
FILE *fp; struct iguana_info *coin; char fname[512],*addr; bits256 prevtxid; cJSON *array; int32_t i,n,iter;
coin = LP_coinfind("KMD");
sprintf(fname,"%s/deposits.%s",GLOBAL_DBDIR,coinaddr), OS_compatible_path(fname);
if ( (fp= fopen(fname,"rb+")) == 0 )
{
if ( (fp= fopen(fname,"wb+")) != 0 )
{
for (iter=0; iter<4; iter++)
{
if ( iter < 2 )
addr = coinaddr;
else addr = "";
if ( coin != 0 && (array= LP_instantdex_txids(iter&1,addr)) != 0 )
{
if ( (n= cJSON_GetArraySize(array)) > 0 )
{
for (i=0; i<n; i++)
{
prevtxid = jbits256i(array,i);
//char str[65]; printf("instantdex iter.%d i.%d check %s\n",iter,i,bits256_str(str,prevtxid));
if ( LP_instantdex_creditcalc(coin,0,prevtxid,coinaddr,coinaddr) > 0 )
{
LP_instantdex_deposituniq(fp,prevtxid);
fflush(fp);
}
}
}
free_json(array);
}
}
}
} else fseek(fp,0,SEEK_END);
if ( fp != 0 && bits256_nonz(txid) != 0 )
{
LP_instantdex_deposituniq(fp,txid);
fclose(fp);
}
LP_instantdex_filescreate(coinaddr);
}
uint32_t LP_claimtime(struct iguana_info *coin,uint32_t expiration)
{
uint32_t heighttime,now = (uint32_t)time(NULL);
if ( coin->height > 8 )
{
heighttime = LP_heighttime(coin->symbol,coin->height-8);
printf("claimtime: now %u height.%d heighttime.%u expiration.%u\n",now,coin->height,heighttime,expiration);
if ( heighttime >= expiration )
return(heighttime - 1);
}
return(0);
}
int32_t LP_deposit_addr(char *symbol,char *p2shaddr,uint8_t *script,uint8_t taddr,uint8_t p2shtype,uint32_t timestamp,uint8_t *pubsecp33)
{
uint8_t elsepub33[33],p2sh_rmd160[20]; int32_t n;
decode_hex(elsepub33,33,BOTS_BONDPUBKEY33);
n = bitcoin_performancebond(p2sh_rmd160,script,0,timestamp,pubsecp33,elsepub33);
bitcoin_address(symbol,p2shaddr,taddr,p2shtype,script,n);
return(n);
}
char *LP_instantdex_deposit(struct iguana_info *coin,int32_t weeks,double amount,int32_t broadcast)
{
char p2shaddr[64],*retstr,*hexstr; uint8_t script[512]; int32_t weeki,scriptlen; cJSON *argjson,*retjson,*array,*item,*obj; uint32_t timestamp; bits256 txid,sendtxid; uint64_t amount64;
if ( strcmp(coin->symbol,"KMD") != 0 )
return(clonestr("{\"error\":\"instantdex deposit must be in KMD\"}"));
if ( amount < 10.0 )
return(clonestr("{\"error\":\"minimum instantdex deposit is 10 KMD\"}"));
if ( weeks <= 0 || weeks > 52 )
return(clonestr("{\"error\":\"weeks must be between 1 and 52\"}"));
if ( weeks > 0 )
{
timestamp = (uint32_t)time(NULL);
timestamp /= LP_WEEKMULT;
timestamp += weeks+2;
timestamp *= LP_WEEKMULT;
weeki = (timestamp - LP_FIRSTWEEKTIME) / LP_WEEKMULT;
if ( weeks >= 10000 )
return(clonestr("{\"error\":\"numweeks must be less than 10000\"}"));
} else timestamp = (uint32_t)time(NULL) + 300, weeki = 0;
scriptlen = LP_deposit_addr(coin->symbol,p2shaddr,script,coin->taddr,coin->p2shtype,timestamp,G.LP_pubsecp);
argjson = cJSON_CreateObject();
array = cJSON_CreateArray();
item = cJSON_CreateObject();
jaddnum(item,p2shaddr,amount);
jaddi(array,item);
item = cJSON_CreateObject();
amount64 = (amount * SATOSHIDEN) / 1000;
amount64 = (amount64 / 10000) * 10000 + weeki;
jaddnum(item,BOTS_BONDADDRESS,dstr(amount64));
jaddi(array,item);
item = cJSON_CreateObject();
jaddnum(item,coin->smartaddr,0.0001);
jaddi(array,item);
jadd(argjson,"outputs",array);
//printf("deposit.(%s)\n",jprint(argjson,0));
if ( (retstr= LP_withdraw(coin,argjson)) != 0 )
{
if ( (retjson= cJSON_Parse(retstr)) != 0 )
{
if ( jobj(retjson,"result") != 0 )
jdelete(retjson,"result");
jaddstr(retjson,"address",p2shaddr);
jaddnum(retjson,"expiration",timestamp);
jaddnum(retjson,"deposit",amount);
if ( (obj= jobj(retjson,"complete")) != 0 && is_cJSON_True(obj) != 0 && (hexstr= jstr(retjson,"hex")) != 0 )
{
txid = jbits256(retjson,"txid");
if ( broadcast != 0 )
{
if (bits256_nonz(txid) != 0 )
{
sendtxid = LP_broadcast("deposit","KMD",hexstr,txid);
if ( bits256_cmp(sendtxid,txid) != 0 )
{
jaddstr(retjson,"error","broadcast txid mismatch");
jaddbits256(retjson,"broadcast",sendtxid);
free(retstr);
return(jprint(retjson,1));
}
else
{
jaddstr(retjson,"result","success");
jaddbits256(retjson,"broadcast",sendtxid);
LP_instantdex_depositadd(coin->smartaddr,txid);
free(retstr);
return(jprint(retjson,1));
}
}
else
{
jaddstr(retjson,"error","couldnt broadcast since no txid created");
free(retstr);
return(jprint(retjson,1));
}
}
else
{
jaddstr(retjson,"result","success");
free(retstr);
return(jprint(retjson,1));
}
}
else
{
jaddstr(retjson,"error","couldnt create deposit txid");
free(retstr);
return(jprint(retjson,1));
}
free_json(retjson);
}
free(retstr);
}
return(clonestr("{\"error\":\"error with LP_withdraw for instantdex deposit\"}"));
}
int64_t LP_claimtx(void *ctx,struct iguana_info *coin,bits256 *claimtxidp,bits256 utxotxid,int32_t utxovout,uint64_t satoshis,char *vinaddr,uint32_t claimtime,uint8_t *redeemscript,int32_t redeemlen)
{
uint8_t userdata[2]; char *signedtx; bits256 signedtxid,sendtxid; int32_t isbots,userdatalen; int64_t destamount,sum = 0;
if ( strcmp(coin->smartaddr,BOTS_BONDADDRESS) == 0 )
isbots = 1;
else isbots = 0;
userdata[0] = (isbots == 0) ? 0x51 : 0;
userdatalen = 1;
utxovout = 0;
memset(claimtxidp,0,sizeof(*claimtxidp));
char str[65]; printf("LP_claimtx satoshis %.8f %s/v%d\n",dstr(satoshis),bits256_str(str,utxotxid),utxovout);
if ( (signedtx= basilisk_swap_bobtxspend(&signedtxid,10000,"instantdexclaim",coin->symbol,coin->wiftaddr,coin->taddr,coin->pubtype,coin->p2shtype,coin->isPoS,coin->wiftype,ctx,G.LP_privkey,0,redeemscript,redeemlen,userdata,userdatalen,utxotxid,utxovout,coin->smartaddr,G.LP_pubsecp,0,claimtime,&destamount,0,0,vinaddr,1,coin->zcash)) != 0 )
{
printf("signedtx.(%s)\n",signedtx);
sendtxid = LP_broadcast("claim","KMD",signedtx,signedtxid);
if ( bits256_cmp(sendtxid,signedtxid) == 0 )
{
*claimtxidp = sendtxid;
sum += (satoshis - coin->txfee);
}
else printf("error sending %s\n",bits256_str(str,signedtxid));
free(signedtx);
} else printf("error claiming instantdex deposit %s/v%d %.8f\n",bits256_str(str,utxotxid),utxovout,dstr(satoshis));
return(sum);
}
char *LP_unlockedspend(void *ctx,char *symbol,bits256 utxotxid)
{
cJSON *txjson,*vouts,*vout0,*opret,*sobj,*retjson; uint16_t utxovout; char *signedtx,*opretstr,vinaddr[64],destaddr[64]; uint32_t expiration,claimtime; uint8_t redeemscript[128]; bits256 signedtxid,sendtxid; int32_t numvouts,redeemlen; int64_t satoshis,destamount; struct iguana_info *coin;
if ( (coin= LP_coinfind(symbol)) == 0 )
return(clonestr("{\"error\":\"cant find coin\"}"));
retjson = cJSON_CreateObject();
utxovout = 0;
memset(&sendtxid,0,sizeof(sendtxid));
if ( (txjson= LP_gettx("LP_unlockedspend",coin->symbol,utxotxid,1)) != 0 )
{
if ( (vouts= jarray(&numvouts,txjson,"vout")) != 0 && numvouts >= 2 )
{
vout0 = jitem(vouts,0);
LP_destaddr(vinaddr,vout0);
satoshis = LP_value_extract(vout0,0,utxotxid);
opret = jitem(vouts,numvouts - 1);
jaddstr(retjson,"result","success");
jaddbits256(retjson,"lockedtxid",utxotxid);
jaddnum(retjson,"amount",dstr(satoshis));
if ( (sobj= jobj(opret,"scriptPubKey")) != 0 )
{
if ( (opretstr= jstr(sobj,"hex")) != 0 )
{
jaddstr(retjson,"opreturn",opretstr);
redeemlen = (int32_t)strlen(opretstr) >> 1;
if ( redeemlen == 34 )
{
decode_hex(redeemscript,redeemlen,opretstr);
if ( redeemscript[0] == SCRIPT_OP_RETURN && redeemscript[1] == 32 && redeemscript[2] == 4 && redeemscript[7] == 0xb1 && redeemscript[8] == 0x75 && redeemscript[9] == 0x76 && redeemscript[10] == 0xa9 && redeemscript[11] == 0x14 && redeemscript[32] == 0x88 && redeemscript[33] == 0xac )
{
expiration = 0;
expiration = (expiration << 8) | redeemscript[6];
expiration = (expiration << 8) | redeemscript[5];
expiration = (expiration << 8) | redeemscript[4];
expiration = (expiration << 8) | redeemscript[3];
bitcoin_address(symbol,destaddr,coin->taddr,coin->pubtype,&redeemscript[12],20);
jaddstr(retjson,"address",destaddr);
jaddnum(retjson,"expiration",expiration);
claimtime = LP_claimtime(coin,expiration);
jaddnum(retjson,"claimtime",claimtime);
if ( claimtime > expiration && strcmp(destaddr,coin->smartaddr) == 0 )
{
char str[65]; //printf("LP_timespend satoshis %.8f %s/v%d\n",dstr(satoshis - coin->txfee),bits256_str(str,utxotxid),utxovout);
if ( (signedtx= basilisk_swap_bobtxspend(&signedtxid,coin->txfee,"timespend",coin->symbol,coin->wiftaddr,coin->taddr,coin->pubtype,coin->p2shtype,coin->isPoS,coin->wiftype,ctx,G.LP_privkey,0,redeemscript+2,redeemlen-2,0,0,utxotxid,utxovout,coin->smartaddr,G.LP_pubsecp,0,claimtime,&destamount,0,0,vinaddr,0,coin->zcash)) != 0 )
{
sendtxid = LP_broadcast("timespend",symbol,signedtx,signedtxid);
jaddstr(retjson,"signedtx",signedtx);
jaddbits256(retjson,"txid",signedtxid);
if ( bits256_cmp(sendtxid,signedtxid) == 0 )
jaddbits256(retjson,"sendtxid",sendtxid);
else printf("error sending %s\n",bits256_str(str,signedtxid));
free(signedtx);
}
else
{
printf("error doing timespend %s/v%d %.8f\n",bits256_str(str,utxotxid),utxovout,dstr(satoshis));
jaddstr(retjson,"error","couldnt sign timespend");
}
}
} else jaddstr(retjson,"error","mismatched redeemscript");
}
}
}
}
free_json(txjson);
}
return(jprint(retjson,1));
}
char *LP_timelock(char *symbol,uint32_t duration,char *destaddr,uint64_t satoshis)
{
struct iguana_info *coin; uint32_t expiration; char *retstr,p2shaddr[64],redeemscript[256]; cJSON *argjson,*array,*item; int32_t n=0; uint8_t addrtype,rmd160[20],p2sh160[20],script[40];
if ( (coin= LP_coinfind(symbol)) != 0 )
{
expiration = (uint32_t)time(NULL) + duration;
if ( destaddr == 0 )
destaddr = coin->smartaddr;
bitcoin_addr2rmd160(symbol,coin->taddr,&addrtype,rmd160,destaddr);
n = bitcoin_timelockspend(script,0,rmd160,expiration);
init_hexbytes_noT(redeemscript,script,n);
calc_rmd160_sha256(p2sh160,script,n);
bitcoin_address(symbol,p2shaddr,coin->taddr,coin->p2shtype,p2sh160,20);
argjson = cJSON_CreateObject();
array = cJSON_CreateArray();
item = cJSON_CreateObject();
jaddnum(item,p2shaddr,dstr(satoshis + coin->txfee));
jaddi(array,item);
jadd(argjson,"outputs",array);
jaddstr(argjson,"opreturn",redeemscript);
//printf("deposit.(%s)\n",jprint(argjson,0));
if ( (retstr= LP_withdraw(coin,argjson)) != 0 )
return(retstr);
else return(clonestr("{\"error\":\"timelock got null return from LP_withdraw\"}"));
} else return(clonestr("{\"error\":\"cant find coin\"}"));
}
int32_t LP_claim_submit(void *ctx,cJSON *txids,int64_t *sump,struct iguana_info *coin,bits256 utxotxid)
{
uint8_t redeemscript[512]; bits256 claimtxid; cJSON *txjson,*vout0,*vout1,*vout2,*vouts,*item; int32_t numvouts; char str[65],vinaddr[64],destaddr[64],checkaddr[64]; int32_t j,utxovout,flagi = 0,redeemlen,weeki,iter; int64_t weeksatoshis,satoshis,interest; uint32_t expiration,claimtime;
if ( (txjson= LP_gettx("LP_claim_submit",coin->symbol,utxotxid,1)) != 0 )
{
if ( (vouts= jarray(&numvouts,txjson,"vout")) != 0 && numvouts >= 3 )
{
vout0 = jitem(vouts,0);
LP_destaddr(vinaddr,vout0);
satoshis = LP_value_extract(vout0,1,utxotxid);
vout2 = jitem(vouts,2);
LP_destaddr(destaddr,vout2);
if ( strcmp(destaddr,coin->smartaddr) == 0 )
{
vout1 = jitem(vouts,1);
weeksatoshis = LP_value_extract(vout1,0,utxotxid);
weeki = (int32_t)(weeksatoshis % 10000);
for (iter=0; iter<2; iter++)
for (j=-168; j<=168; j++)
{
if ( iter == 1 )
expiration = ((weeki * LP_WEEKMULTBAD + j*3600) + LP_FIRSTWEEKTIME);
else expiration = ((weeki * LP_WEEKMULT + j*3600) + LP_FIRSTWEEKTIME);
redeemlen = LP_deposit_addr(coin->symbol,checkaddr,redeemscript,coin->taddr,coin->p2shtype,expiration,G.LP_pubsecp);
if ( strcmp(checkaddr,vinaddr) == 0 )
{
flagi = 1;
claimtime = (uint32_t)time(NULL)-777;
//claimtime = LP_claimtime(coin,expiration);
item = cJSON_CreateObject();
jaddbits256(item,"txid",utxotxid);
jaddnum(item,"deposit",dstr(LP_value_extract(vout0,0,utxotxid)));
if ( coin->electrum == 0 )
interest = dstr(satoshis) - dstr(LP_value_extract(vout0,0,utxotxid));
else interest = dstr(LP_komodo_interest(utxotxid,satoshis));
jaddnum(item,"interest",interest);
//printf("%.8f %.8f %.8f\n",dstr(satoshis),dstr(LP_value_extract(vout0,0,utxotxid)),dstr(LP_komodo_interest(utxotxid,satoshis)));
if ( claimtime <= expiration )
{
printf("iter.%d j.%d claimtime.%u vs %u, wait %d seconds to %s claim %.8f\n",iter,j,claimtime,expiration,(int32_t)expiration-claimtime,bits256_str(str,utxotxid),dstr(satoshis));
jaddnum(item,"waittime",(int32_t)expiration-claimtime);
jaddi(txids,item);
break;
}
else
{
utxovout = 0;
*sump += LP_claimtx(ctx,coin,&claimtxid,utxotxid,utxovout,satoshis,vinaddr,claimtime,redeemscript,redeemlen);
if ( bits256_nonz(claimtxid) != 0 )
{
jaddbits256(item,"claimtxid",claimtxid);
jaddi(txids,item);
}
}
} //else printf("expiration.%u j.%d checkaddr.(%s) != vinaddr.%s\n",expiration,j,checkaddr,vinaddr);
if ( flagi != 0 )
break;
}
} else printf("vout2 dest.(%s) != %s\n",destaddr,coin->smartaddr);
} else printf("numvouts %d != 3\n",numvouts);
free_json(txjson);
} else printf("cant get transaction flagi.%d\n",flagi);
return(flagi);
}
char *LP_instantdex_claim(struct iguana_info *coin)
{
static void *ctx; static int32_t firsttime = 1;
int32_t i,n; cJSON *array,*txids,*newarray,*retjson; int64_t sum; bits256 utxotxid;
if ( ctx == 0 )
ctx = bitcoin_ctx();
if ( strcmp(coin->symbol,"KMD") != 0 )
return(clonestr("{\"error\":\"instantdex deposit must be in KMD\"}"));
sum = 0;
txids = cJSON_CreateArray();
newarray = cJSON_CreateArray();
if ( (array= LP_instantdex_txids(firsttime,coin->smartaddr)) != 0 )
{
printf("claiming from.(%s)\n",jprint(array,0));
if ( (n= cJSON_GetArraySize(array)) > 0 )
{
for (i=0; i<n; i++)
{
utxotxid = jbits256i(array,i);
//char str[65]; printf("%s\n",bits256_str(str,utxotxid));
if ( LP_claim_submit(ctx,txids,&sum,coin,utxotxid) == 0 )
jaddibits256(newarray,utxotxid);
}
}
free_json(array);
}
firsttime = 0;
if ( cJSON_GetArraySize(newarray) > 0 )
LP_instantdex_filewrite(0,newarray,coin->smartaddr);
free_json(newarray);
retjson = cJSON_CreateObject();
jaddstr(retjson,"result","success");
jaddnum(retjson,"claimed",dstr(sum));
jadd(retjson,"txids",txids);
return(jprint(retjson,1));
}
int64_t LP_instantdex_credit(int32_t dispflag,char *coinaddr,int64_t satoshis,int32_t weeki,char *p2shaddr,bits256 txid)
{
uint32_t timestamp; struct LP_address *ap; struct iguana_info *coin = LP_coinfind("KMD");
if ( coin != 0 )
{
timestamp = LP_FIRSTWEEKTIME + weeki*LP_WEEKMULT;
if ( (ap= LP_address(coin,coinaddr)) != 0 && time(NULL) < timestamp-60*3600 )
{
ap->instantdex_credits += satoshis;
ap->didinstantdex = 1;
if ( 0 && dispflag != 0 )
printf("InstantDEX credit.(%s) %.8f weeki.%d (%s) -> sum %.8f\n",coinaddr,dstr(satoshis),weeki,p2shaddr,dstr(ap->instantdex_credits));
return(satoshis);
} //else printf("null ap.%p or expired %ld\n",ap,time(NULL) - (timestamp-60*3600));
}
return(0);
}
int64_t LP_instantdex_creditcalc(struct iguana_info *coin,int32_t dispflag,bits256 txid,char *refaddr,char *origcoinaddr)
{
cJSON *txjson,*vouts,*txobj,*item; int64_t satoshis=0,amount64; int32_t weeki,numvouts; char destaddr[64],p2shaddr[64];
if ( (txjson= LP_gettx("LP_instantdex_creditcalc",coin->symbol,txid,0)) != 0 )
{
// vout0 deposit, vout1 botsfee, vout2 smartaddress
if ( (vouts= jarray(&numvouts,txjson,"vout")) > 0 && numvouts >= 3 && LP_destaddr(destaddr,jitem(vouts,2)) == 0 )
{
if ( refaddr != 0 && strcmp(refaddr,destaddr) != 0 )
{
printf("LP_instantdex_creditcalc for (%s) but deposit sent for orig.(%s) (%s)\n",refaddr,origcoinaddr,destaddr);
}
else
{
amount64 = LP_value_extract(jitem(vouts,1),0,txid);
weeki = (amount64 % 10000);
item = jitem(vouts,0);
satoshis = LP_value_extract(item,0,txid);
//char str[65]; printf("%s %s funded %.8f weeki.%d (%s)\n",bits256_str(str,txid),destaddr,dstr(satoshis),weeki,jprint(item,0));
if ( LP_destaddr(p2shaddr,item) == 0 )
{
if ( (txobj= LP_gettxout(coin->symbol,p2shaddr,txid,0)) != 0 )
{
free_json(txobj);
LP_instantdex_credit(dispflag,destaddr,satoshis,weeki,p2shaddr,txid);
} //else printf("already spent\n");
} else printf("error getting p2shaddr.(%s)\n",p2shaddr);
}
}
free_json(txjson);
}
return(satoshis);
}
#ifdef bruteforce
/*void LP_instantdex_deposits(struct iguana_info *coin)
{
static int dispflag = 1;
cJSON *array,*item; int32_t i,n,height,vout; bits256 txid; struct LP_address *ap,*tmp;
if ( coin->electrum != 0 )//&& coin->electruminstantdex != 0 )
return;
HASH_ITER(hh,coin->addresses,ap,tmp)
{
ap->instantdex_credits = 0;
}
if ( (array= LP_listreceivedbyaddress("KMD",BOTS_BONDADDRESS)) != 0 )
{
//printf("instantdex.(%s)\n",jprint(array,0));
if ( (n= cJSON_GetArraySize(array)) > 0 )
{
for (i=0; i<n; i++)
{
if ( coin->electrum != 0 )
{
item = jitem(array,i);
LP_listunspent_parseitem(coin,&txid,&vout,&height,item);
} else txid = jbits256i(array,i);
LP_instantdex_creditcalc(coin,dispflag,txid,0);
}
}
free_json(array);
}
dispflag = 0;
}*/
#endif
int64_t LP_dynamictrust(int64_t credits,bits256 pubkey,int64_t kmdvalue)
{
struct LP_pubswap *ptr,*tmp; struct LP_swapstats *sp; struct LP_pubkey_info *pubp; struct LP_address *ap; char coinaddr[64]; struct iguana_info *coin; int64_t swaps_kmdvalue = 0;
if ( (coin= LP_coinfind("KMD")) != 0 && (pubp= LP_pubkeyfind(pubkey)) != 0 )
{
bitcoin_address(coin->symbol,coinaddr,coin->taddr,coin->pubtype,pubp->pubsecp,33);
DL_FOREACH_SAFE(pubp->bobswaps,ptr,tmp)
{
if ( (sp= ptr->swap) != 0 && LP_swap_finished(sp,1) == 0 )
swaps_kmdvalue += LP_kmdvalue(sp->Q.srccoin,sp->Q.satoshis);
}
DL_FOREACH_SAFE(pubp->aliceswaps,ptr,tmp)
{
if ( (sp= ptr->swap) != 0 && LP_swap_finished(sp,1) == 0 )
swaps_kmdvalue += LP_kmdvalue(sp->Q.destcoin,sp->Q.destsatoshis);
}
if ( credits == 0 && (ap= LP_address(coin,coinaddr)) != 0 )
credits = ap->instantdex_credits;
if ( credits != 0 && (swaps_kmdvalue+kmdvalue) > credits )
{
if ( 0 )
{
DL_FOREACH_SAFE(pubp->bobswaps,ptr,tmp)
{
if ( (sp= ptr->swap) != 0 && LP_swap_finished(sp,1) == 0 )
printf("unfinished bob %llu r%u-r%u src.%s %.8f dest.%s %.8f -> price %.8f value %.8f\n",(long long)sp->aliceid,sp->Q.R.requestid,sp->Q.R.quoteid,sp->Q.srccoin,dstr(sp->Q.satoshis),sp->Q.destcoin,dstr(sp->Q.destsatoshis),(double)sp->Q.destsatoshis/(sp->Q.satoshis+1),dstr(LP_kmdvalue(sp->Q.destcoin,sp->Q.destsatoshis)));
}
DL_FOREACH_SAFE(pubp->aliceswaps,ptr,tmp)
{
if ( (sp= ptr->swap) != 0 && LP_swap_finished(sp,1) == 0 )
printf("unfinished alice %llu r%u-r%u src.%s %.8f dest.%s %.8f -> price %.8f value %.8f\n",(long long)sp->aliceid,sp->Q.R.requestid,sp->Q.R.quoteid,sp->Q.srccoin,dstr(sp->Q.satoshis),sp->Q.destcoin,dstr(sp->Q.destsatoshis),(double)sp->Q.destsatoshis/(sp->Q.satoshis+1),dstr(LP_kmdvalue(sp->Q.destcoin,sp->Q.destsatoshis)));
}
}
//printf("REJECT: %s instantdex_credits %.8f vs (%.8f + current %.8f)\n",coinaddr,dstr(credits),dstr(swaps_kmdvalue),dstr(kmdvalue));
}
if ( 0 && credits != 0 )
printf("%s %s othercredits %.8f debits %.8f + %.8f -> %.8f\n",coin->symbol,coinaddr,dstr(credits),dstr(swaps_kmdvalue),dstr(kmdvalue),dstr(credits - (swaps_kmdvalue+kmdvalue)));
return(credits - (swaps_kmdvalue+kmdvalue));
}
return(0);
}
int64_t LP_instantdex_proofcheck(char *symbol,char *coinaddr,cJSON *proof,int32_t num)
{
uint8_t rmd160[20],addrtype,taddr=0; int64_t credits=0; int32_t i,j; bits256 prevtxid,txid; char othersmartaddr[64]; struct iguana_info *coin,*origcoin; struct LP_address *ap = 0;
if ( (coin= LP_coinfind("KMD")) != 0 )
{
if ( (origcoin= LP_coinfind(symbol)) != 0 )
taddr = origcoin->taddr;
bitcoin_addr2rmd160(symbol,taddr,&addrtype,rmd160,coinaddr);
bitcoin_address("KMD",othersmartaddr,coin->taddr,coin->pubtype,rmd160,20);
//printf("proofcheck addrtype.%d (%s) -> %s\n",addrtype,coinaddr,othersmartaddr);
if ((ap= LP_address(coin,othersmartaddr)) != 0 )
{
if ( time(NULL) < ap->instantdextime+300 )
return(ap->instantdex_credits);
ap->instantdextime = (uint32_t)time(NULL);
ap->instantdex_credits = 0;
for (i=0; i<num; i++)
{
txid = jbits256i(proof,i);
for (j=0; j<i; j++)
{
prevtxid = jbits256i(proof,j);
if ( bits256_cmp(prevtxid,txid) == 0 )
break;
}
if ( j == i )
LP_instantdex_creditcalc(coin,1,txid,othersmartaddr,coinaddr);
}
credits = ap->instantdex_credits;
ap->didinstantdex = 1;
ap->instantdextime = (uint32_t)time(NULL);
if ( 0 && ap->instantdex_credits > 0 )
printf("validated instantdex %s.[%d] proof.(%s) credits %.8f\n",othersmartaddr,num,jprint(proof,0),dstr(ap->instantdex_credits));
} //else printf("cant find ap.%p or already did %d %.8f\n",ap,ap!=0?ap->didinstantdex:-1,ap!=0?dstr(ap->instantdex_credits):-1);
}
return(credits);
}
int64_t LP_myzcredits()
{
cJSON *proof; struct iguana_info *coin; int64_t zcredits;
if ( (coin= LP_coinfind("KMD")) != 0 )
{
if ( (proof= LP_instantdex_txids(0,coin->smartaddr)) != 0 )
{
zcredits = LP_instantdex_proofcheck(coin->symbol,coin->smartaddr,proof,cJSON_GetArraySize(proof));
free_json(proof);
return(zcredits);
}
}
return(0);
}
cJSON *LP_swapstats_item(struct LP_swapstats *sp,int32_t iambob)
{
struct iguana_info *bob,*alice; int32_t flag = 0; char *retstr,*swapstr; bits256 zero; cJSON *item,*reqjson,*swapjson;
item = cJSON_CreateObject();
jaddnum(item,"iambob",iambob);
jadd64bits(item,"aliceid",sp->aliceid);
jaddnum(item,"requestid",sp->Q.R.requestid);
jaddnum(item,"quoteid",sp->Q.R.quoteid);
jaddstr(item,"base",sp->Q.srccoin);
jadd64bits(item,"satoshis",sp->Q.satoshis);
jaddstr(item,"rel",sp->Q.destcoin);
jadd64bits(item,"destsatoshis",sp->Q.destsatoshis);
jaddnum(item,"price",sp->Q.destsatoshis/((double)sp->Q.satoshis+1));
if ( LP_swap_finished(sp,1) == 0 )
{
jaddnum(item,"finished",sp->finished);
if ( sp->bobneeds_dPoW != 0 && (bob= LP_coinfind(sp->Q.srccoin)) != 0 )
{
jaddnum(item,"bobneeds_dPoW",sp->bobneeds_dPoW);
jaddnum(item,"bob_dPoWheight",bob->notarized);
if ( sp->bobneeds_dPoW == 1 )
flag = 1;
if ( bob->notarized == 0 )
LP_dPoW_request(bob);
}
if ( sp->aliceneeds_dPoW != 0 && (alice= LP_coinfind(sp->Q.destcoin)) != 0 )
{
jaddnum(item,"aliceneeds_dPoW",sp->aliceneeds_dPoW);
jaddnum(item,"alice_dPoWheight",alice->notarized);
if ( sp->aliceneeds_dPoW == 1 )
flag = 1;
if ( alice->notarized == 0 )
LP_dPoW_request(alice);
}
if ( flag != 0 )
{
if ( 0 )
{
reqjson = cJSON_CreateObject();
jaddstr(reqjson,"method","gettradestatus");
jadd64bits(reqjson,"aliceid",sp->aliceid);
memset(zero.bytes,0,sizeof(zero));
LP_reserved_msg(0,"","",zero,jprint(reqjson,1));
}
if ( (swapstr= basilisk_swapentry(1,sp->Q.R.requestid,sp->Q.R.quoteid,0)) != 0 )
{
if ( (swapjson= cJSON_Parse(swapstr)) != 0 )
{
if ( (retstr= LP_swapstatus_recv(swapjson)) != 0 )
free(retstr);
free_json(swapjson);
}
free(swapstr);
}
}
}
return(item);
}
cJSON *LP_myzdebits()
{
struct LP_pubswap *ptr,*tmp; struct LP_pubkey_info *pubp; struct LP_swapstats *sp; int64_t kmdvalue,swaps_kmdvalue = 0; struct iguana_info *coin; cJSON *retjson,*array,*item;
array = cJSON_CreateArray();
if ( (coin= LP_coinfind("KMD")) != 0 )
{
if ( (pubp= LP_pubkeyfind(G.LP_mypub25519)) != 0 )
{
DL_FOREACH_SAFE(pubp->bobswaps,ptr,tmp)
{
if ( (sp= ptr->swap) != 0 && LP_swap_finished(sp,1) == 0 )
{
kmdvalue = LP_kmdvalue(sp->Q.srccoin,sp->Q.satoshis);
item = LP_swapstats_item(sp,1);
jaddnum(item,"kmdvalue",dstr(kmdvalue));
jaddi(array,item);
swaps_kmdvalue += kmdvalue;
}
}
DL_FOREACH_SAFE(pubp->aliceswaps,ptr,tmp)
{
if ( (sp= ptr->swap) != 0 && LP_swap_finished(sp,1) == 0 )
{
kmdvalue = LP_kmdvalue(sp->Q.destcoin,sp->Q.destsatoshis);
item = LP_swapstats_item(sp,0);
jaddnum(item,"kmdvalue",dstr(kmdvalue));
jaddi(array,item);
swaps_kmdvalue += kmdvalue;
}
}
}
}
retjson = cJSON_CreateObject();
jadd(retjson,"swaps",array);
jaddnum(retjson,"pendingswaps",dstr(swaps_kmdvalue));
return(retjson);
}