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373 lines
16 KiB
373 lines
16 KiB
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/******************************************************************************
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* Copyright © 2014-2017 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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//
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// LP_instantdex.c
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// marketmaker
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//
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void LP_instantdex_txidaddfname(char *fname)
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{
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sprintf(fname,"%s/instantdex.json",GLOBAL_DBDIR);
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}
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cJSON *LP_instantdex_txidaddjson()
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{
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char *filestr,fname[1024]; long fsize; cJSON *retjson=0;
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LP_instantdex_txidaddfname(fname);
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if ( (filestr= OS_filestr(&fsize,fname)) != 0 )
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{
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retjson = cJSON_Parse(filestr);
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free(filestr);
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}
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return(retjson);
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}
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void LP_instantdex_txidadd(bits256 txid)
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{
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cJSON *array; int32_t i,n; char fname[1024],*filestr; FILE *fp;
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if ( (array= LP_instantdex_txidaddjson()) == 0 )
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array = cJSON_CreateArray();
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if ( (n= cJSON_GetArraySize(array)) >= 0 )
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{
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for (i=0; i<n; i++)
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if ( bits256_cmp(jbits256i(array,i),txid) == 0 )
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break;
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if ( i == n )
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{
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LP_instantdex_txidaddfname(fname);
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char str[65]; printf("add %s -> %s\n",bits256_str(str,txid),fname);
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jaddibits256(array,txid);
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if ( (fp= fopen(fname,"wb")) != 0 )
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{
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filestr = jprint(array,0);
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fwrite(filestr,1,strlen(filestr)+1,fp);
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fclose(fp);
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free(filestr);
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}
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}
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}
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if ( array != 0 )
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free_json(array);
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}
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int32_t LP_deposit_addr(char *p2shaddr,uint8_t *script,uint8_t taddr,uint8_t p2shtype,uint32_t timestamp,uint8_t *pubsecp33)
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{
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uint8_t elsepub33[33],p2sh_rmd160[20]; int32_t n;
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decode_hex(elsepub33,33,BOTS_BONDPUBKEY33);
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n = bitcoin_performancebond(p2sh_rmd160,script,0,timestamp,pubsecp33,elsepub33);
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bitcoin_address(p2shaddr,taddr,p2shtype,script,n);
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return(n);
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}
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char *LP_instantdex_deposit(struct iguana_info *coin,int32_t weeks,double amount,int32_t broadcast)
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{
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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;
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if ( strcmp(coin->symbol,"KMD") != 0 )
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return(clonestr("{\"error\":\"instantdex deposit must be in KMD\"}"));
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if ( amount < 10.0 )
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return(clonestr("{\"error\":\"minimum instantdex deposit is 10 KMD\"}"));
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if ( weeks < 0 || weeks > 52 )
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return(clonestr("{\"error\":\"weeks must be between 0 and 52\"}"));
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if ( weeks > 0 )
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{
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timestamp = (uint32_t)time(NULL);
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timestamp /= LP_WEEKMULT;
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timestamp += weeks+1;
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timestamp *= LP_WEEKMULT;
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weeki = (timestamp - LP_FIRSTWEEKTIME) / LP_WEEKMULT;
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if ( weeks >= 10000 )
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return(clonestr("{\"error\":\"numweeks must be less than 10000\"}"));
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} else timestamp = (uint32_t)time(NULL) + 300, weeki = 0;
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scriptlen = LP_deposit_addr(p2shaddr,script,coin->taddr,coin->p2shtype,timestamp,G.LP_pubsecp);
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argjson = cJSON_CreateObject();
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array = cJSON_CreateArray();
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item = cJSON_CreateObject();
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jaddnum(item,p2shaddr,amount);
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jaddi(array,item);
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item = cJSON_CreateObject();
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amount64 = (amount * SATOSHIDEN) / 1000;
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amount64 = (amount64 / 10000) * 10000 + weeki;
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jaddnum(item,BOTS_BONDADDRESS,dstr(amount64));
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jaddi(array,item);
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item = cJSON_CreateObject();
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jaddnum(item,coin->smartaddr,0.0001);
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jaddi(array,item);
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jadd(argjson,"outputs",array);
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//printf("deposit.(%s)\n",jprint(argjson,0));
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if ( (retstr= LP_withdraw(coin,argjson)) != 0 )
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{
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if ( (retjson= cJSON_Parse(retstr)) != 0 )
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{
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if ( jobj(retjson,"result") != 0 )
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jdelete(retjson,"result");
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jaddstr(retjson,"address",p2shaddr);
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jaddnum(retjson,"expiration",timestamp);
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jaddnum(retjson,"deposit",amount);
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if ( (obj= jobj(retjson,"complete")) != 0 && is_cJSON_True(obj) != 0 && (hexstr= jstr(retjson,"hex")) != 0 )
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{
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txid = jbits256(retjson,"txid");
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if ( bits256_nonz(txid) != 0 )
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LP_instantdex_txidadd(txid);
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if ( broadcast != 0 )
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{
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if (bits256_nonz(txid) != 0 )
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{
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sendtxid = LP_broadcast("deposit","KMD",hexstr,txid);
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if ( bits256_cmp(sendtxid,txid) != 0 )
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{
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jaddstr(retjson,"error","broadcast txid mismatch");
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jaddbits256(retjson,"broadcast",sendtxid);
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free(retstr);
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return(jprint(retjson,1));
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}
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else
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{
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jaddstr(retjson,"result","success");
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jaddbits256(retjson,"broadcast",sendtxid);
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free(retstr);
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return(jprint(retjson,1));
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}
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}
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else
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{
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jaddstr(retjson,"error","couldnt broadcast since no txid created");
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free(retstr);
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return(jprint(retjson,1));
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}
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}
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else
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{
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jaddstr(retjson,"result","success");
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free(retstr);
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return(jprint(retjson,1));
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}
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}
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else
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{
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jaddstr(retjson,"error","couldnt create deposit txid");
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free(retstr);
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return(jprint(retjson,1));
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}
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free_json(retjson);
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}
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free(retstr);
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}
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return(clonestr("{\"error\":\"error with LP_withdraw for instantdex deposit\"}"));
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}
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char *LP_instantdex_claim(struct iguana_info *coin,char *depositaddr,uint32_t expiration)
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{
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static void *ctx;
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uint8_t redeemscript[512],userdata[64]; char vinaddr[64],str[65],*signedtx=0; uint32_t timestamp,now,redeemlen,claimtime; int32_t i,n,height,utxovout,userdatalen; bits256 signedtxid,utxotxid,sendtxid,zero; int64_t sum,destamount,satoshis; cJSON *array,*item,*txids,*retjson;
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if ( ctx == 0 )
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ctx = bitcoin_ctx();
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if ( strcmp(coin->symbol,"KMD") != 0 )
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return(clonestr("{\"error\":\"instantdex deposit must be in KMD\"}"));
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now = (uint32_t)time(NULL);
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sum = 0;
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txids = cJSON_CreateArray();
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timestamp = (now / LP_WEEKMULT) * LP_WEEKMULT + LP_WEEKMULT;
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while ( timestamp > LP_FIRSTWEEKTIME )
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{
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if ( expiration != 0 )
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timestamp = expiration;
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else timestamp -= LP_WEEKMULT;
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redeemlen = LP_deposit_addr(vinaddr,redeemscript,coin->taddr,coin->p2shtype,timestamp,G.LP_pubsecp);
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if ( strcmp(depositaddr,vinaddr) == 0 )
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{
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claimtime = (uint32_t)time(NULL)-777;
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if ( claimtime <= timestamp )
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{
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printf("claimtime.%u vs locktime.%u, need to wait %d seconds\n",claimtime,timestamp,(int32_t)timestamp-claimtime);
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}
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else
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{
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printf("found %s at timestamp.%u\n",vinaddr,timestamp);
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memset(zero.bytes,0,sizeof(zero));
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if ( (array= LP_listunspent(coin->symbol,vinaddr,zero,zero)) != 0 )
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{
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userdata[0] = 0x51;
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userdatalen = 1;
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utxovout = 0;
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//printf("unspents.(%s)\n",jprint(array,0));
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if ( (n= cJSON_GetArraySize(array)) > 0 )
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{
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for (i=0; i<n; i++)
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{
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item = jitem(array,i);
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satoshis = LP_listunspent_parseitem(coin,&utxotxid,&utxovout,&height,item);
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printf("satoshis %.8f %s/v%d\n",dstr(satoshis),bits256_str(str,utxotxid),utxovout);
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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 )
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{
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printf("signedtx.(%s)\n",signedtx);
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sendtxid = LP_broadcast("claim","KMD",signedtx,signedtxid);
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if ( bits256_cmp(sendtxid,signedtxid) == 0 )
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{
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jaddibits256(txids,sendtxid);
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sum += (satoshis-coin->txfee);
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}
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else printf("error sending %s\n",bits256_str(str,signedtxid));
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free(signedtx);
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} else printf("error claiming instantdex deposit %s/v%d %.8f\n",bits256_str(str,utxotxid),utxovout,dstr(satoshis));
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}
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}
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free_json(array);
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retjson = cJSON_CreateObject();
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jaddstr(retjson,"result","success");
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jaddnum(retjson,"claimed",dstr(sum));
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jadd(retjson,"txids",txids);
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return(jprint(retjson,1));
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}
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}
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}
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if ( expiration != 0 )
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break;
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}
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return(clonestr("{\"error\":\"no instantdex deposits to claim\"}"));
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}
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int64_t LP_instantdex_credit(int32_t dispflag,char *coinaddr,int64_t satoshis,int32_t weeki,char *p2shaddr,bits256 txid)
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{
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uint32_t timestamp; struct LP_address *ap; struct iguana_info *coin = LP_coinfind("KMD");
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if ( coin != 0 )
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{
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timestamp = LP_FIRSTWEEKTIME + weeki*LP_WEEKMULT;
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if ( time(NULL) < timestamp-60*3600 && (ap= LP_address(coin,coinaddr)) != 0 )
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{
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ap->instantdex_credits += satoshis;
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ap->didinstantdex = 1;
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if ( strcmp(coinaddr,coin->smartaddr) == 0 )
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LP_instantdex_txidadd(txid);
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if ( dispflag != 0 )
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printf("InstantDEX credit.(%s) %.8f weeki.%d (%s) -> sum %.8f\n",coinaddr,dstr(satoshis),weeki,p2shaddr,dstr(ap->instantdex_credits));
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return(satoshis);
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}
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}
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return(0);
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}
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int64_t LP_instantdex_creditcalc(struct iguana_info *coin,int32_t dispflag,bits256 txid,char *refaddr)
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{
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cJSON *txjson,*vouts,*txobj,*item; int64_t satoshis=0,amount64; int32_t weeki,numvouts; char destaddr[64],p2shaddr[64];
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if ( (txjson= LP_gettx(coin->symbol,txid,0)) != 0 )
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{
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// vout0 deposit, vout1 botsfee, vout2 smartaddress
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if ( (vouts= jarray(&numvouts,txjson,"vout")) > 0 && numvouts >= 3 && LP_destaddr(destaddr,jitem(vouts,2)) == 0 )
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{
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if ( refaddr != 0 && strcmp(refaddr,destaddr) != 0 )
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{
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printf("LP_instantdex_creditcalc for (%s) but deposit sent for (%s)\n",refaddr,destaddr);
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}
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else
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{
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amount64 = LP_value_extract(jitem(vouts,1),0);
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weeki = (amount64 % 10000);
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item = jitem(vouts,0);
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satoshis = LP_value_extract(item,0);
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//printf("%s funded %.8f weeki.%d\n",destaddr,dstr(satoshis),weeki);
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if ( LP_destaddr(p2shaddr,item) == 0 )
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{
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if ( (txobj= LP_gettxout(coin->symbol,p2shaddr,txid,0)) != 0 )
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{
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free_json(txobj);
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LP_instantdex_credit(dispflag,destaddr,satoshis,weeki,p2shaddr,txid);
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}
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}
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}
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}
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free_json(txjson);
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}
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return(satoshis);
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}
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#ifdef bruteforce
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void LP_instantdex_deposits(struct iguana_info *coin)
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{
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static int dispflag = 1;
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cJSON *array,*item; int32_t i,n,height,vout; bits256 txid; struct LP_address *ap,*tmp;
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if ( coin->electrum != 0 )//&& coin->electruminstantdex != 0 )
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return;
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HASH_ITER(hh,coin->addresses,ap,tmp)
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{
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ap->instantdex_credits = 0;
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}
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if ( (array= LP_listreceivedbyaddress("KMD",BOTS_BONDADDRESS)) != 0 )
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{
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//printf("instantdex.(%s)\n",jprint(array,0));
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if ( (n= cJSON_GetArraySize(array)) > 0 )
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{
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for (i=0; i<n; i++)
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{
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if ( coin->electrum != 0 )
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{
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item = jitem(array,i);
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LP_listunspent_parseitem(coin,&txid,&vout,&height,item);
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} else txid = jbits256i(array,i);
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LP_instantdex_creditcalc(coin,dispflag,txid,0);
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}
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}
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free_json(array);
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}
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dispflag = 0;
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}
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#endif
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int64_t LP_dynamictrust(bits256 pubkey,int64_t kmdvalue)
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{
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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;
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if ( (coin= LP_coinfind("KMD")) != 0 && (pubp= LP_pubkeyfind(pubkey)) != 0 )
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{
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bitcoin_address(coinaddr,coin->taddr,coin->pubtype,pubp->pubsecp,33);
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if ((ap= LP_address(coin,coinaddr)) != 0 )//&& ap->instantdex_credits >= kmdvalue )
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{
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DL_FOREACH_SAFE(pubp->bobswaps,ptr,tmp)
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{
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if ( (sp= ptr->swap) != 0 && sp->finished == 0 && sp->expired == 0 )
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swaps_kmdvalue += LP_kmdvalue(sp->Q.srccoin,sp->Q.satoshis);
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}
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DL_FOREACH_SAFE(pubp->aliceswaps,ptr,tmp)
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{
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if ( (sp= ptr->swap) != 0 && sp->finished == 0 && sp->expired == 0 )
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swaps_kmdvalue += LP_kmdvalue(sp->Q.destcoin,sp->Q.destsatoshis);
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}
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//printf("%s instantdex_credits %.8f vs (%.8f + current %.8f)\n",coinaddr,dstr(ap->instantdex_credits),dstr(swaps_kmdvalue),dstr(kmdvalue));
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//if ( ap->instantdex_credits > swaps_kmdvalue+kmdvalue )
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return(ap->instantdex_credits - (swaps_kmdvalue+kmdvalue));
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}
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}
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return(0);
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}
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int64_t LP_instantdex_proofcheck(char *coinaddr,cJSON *proof,int32_t num)
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{
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uint8_t rmd160[20],addrtype; int32_t i; int64_t net = 0; char othersmartaddr[64]; struct iguana_info *coin; struct LP_address *ap = 0;
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if ( (coin= LP_coinfind("KMD")) != 0 )
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{
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bitcoin_addr2rmd160(0,&addrtype,rmd160,coinaddr);
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bitcoin_address(othersmartaddr,0,60,rmd160,20);
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if ((ap= LP_address(coin,othersmartaddr)) != 0 && (coin->electrum == 0 || ap->didinstantdex == 0) )
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{
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ap->instantdex_credits = 0;
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for (i=0; i<num; i++)
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LP_instantdex_creditcalc(coin,1,jbits256i(proof,i),othersmartaddr);
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ap->didinstantdex = 1;
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//if ( ap->instantdex_credits > 0 )
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printf("validated instantdex %s.[%d] proof.(%s) credits %.8f net %.8f\n",othersmartaddr,num,jprint(proof,0),dstr(ap->instantdex_credits),dstr(net));
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} 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);
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}
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return(net);
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}
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