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491 lines
19 KiB
491 lines
19 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_scan.c
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// marketmaker
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//
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struct LP_address *_LP_addressfind(struct iguana_info *coin,char *coinaddr)
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{
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struct LP_address *ap;
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HASH_FIND(hh,coin->addresses,coinaddr,strlen(coinaddr),ap);
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return(ap);
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}
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struct LP_address *_LP_addressadd(struct iguana_info *coin,char *coinaddr)
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{
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struct LP_address *ap;
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ap = calloc(1,sizeof(*ap));
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safecopy(ap->coinaddr,coinaddr,sizeof(ap->coinaddr));
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HASH_ADD_KEYPTR(hh,coin->addresses,ap->coinaddr,strlen(ap->coinaddr),ap);
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return(ap);
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}
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struct LP_address *_LP_address(struct iguana_info *coin,char *coinaddr)
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{
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struct LP_address *ap;
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if ( (ap= _LP_addressfind(coin,coinaddr)) == 0 )
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ap = _LP_addressadd(coin,coinaddr);
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return(ap);
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}
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struct LP_transaction *LP_transactionfind(struct iguana_info *coin,bits256 txid)
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{
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struct LP_transaction *tx;
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portable_mutex_lock(&coin->txmutex);
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HASH_FIND(hh,coin->transactions,txid.bytes,sizeof(txid),tx);
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portable_mutex_unlock(&coin->txmutex);
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return(tx);
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}
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struct LP_transaction *LP_transactionadd(struct iguana_info *coin,bits256 txid,int32_t height,int32_t numvouts,int32_t numvins,uint32_t timestamp)
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{
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struct LP_transaction *tx; int32_t i;
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if ( (tx= LP_transactionfind(coin,txid)) == 0 )
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{
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//char str[65]; printf("%s ht.%d u.%u NEW TXID.(%s) vouts.[%d]\n",coin->symbol,height,timestamp,bits256_str(str,txid),numvouts);
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//if ( bits256_nonz(txid) == 0 && tx->height == 0 )
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// getchar();
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tx = calloc(1,sizeof(*tx) + (sizeof(*tx->outpoints) * numvouts));
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for (i=0; i<numvouts; i++)
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tx->outpoints[i].spendvini = -1;
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tx->height = height;
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tx->numvouts = numvouts;
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tx->numvins = numvins;
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tx->timestamp = timestamp;
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tx->txid = txid;
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portable_mutex_lock(&coin->txmutex);
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HASH_ADD_KEYPTR(hh,coin->transactions,tx->txid.bytes,sizeof(tx->txid),tx);
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portable_mutex_unlock(&coin->txmutex);
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} // else printf("warning adding already existing txid %s\n",bits256_str(str,tx->txid));
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return(tx);
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}
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int32_t LP_txheight(uint32_t *timestampp,uint32_t *blocktimep,struct iguana_info *coin,bits256 txid)
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{
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bits256 blockhash; cJSON *blockobj,*txobj; int32_t height = 0;
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if ( (txobj= LP_gettx(coin->symbol,txid)) != 0 )
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{
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*timestampp = juint(txobj,"locktime");
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*blocktimep = juint(txobj,"blocktime");
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blockhash = jbits256(txobj,"blockhash");
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if ( bits256_nonz(blockhash) != 0 && (blockobj= LP_getblock(coin->symbol,blockhash)) != 0 )
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{
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height = jint(blockobj,"height");
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//printf("%s LP_txheight.%d\n",coin->symbol,height);
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free_json(blockobj);
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} //else printf("%s LP_txheight error (%s)\n",coin->symbol,jprint(txobj,0));
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free_json(txobj);
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}
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return(height);
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}
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int32_t LP_undospends(struct iguana_info *coin,int32_t lastheight)
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{
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int32_t i,ht,num = 0; uint32_t timestamp,blocktime; struct LP_transaction *tx,*tmp;
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HASH_ITER(hh,coin->transactions,tx,tmp)
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{
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for (i=0; i<tx->numvouts; i++)
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{
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if ( bits256_nonz(tx->outpoints[i].spendtxid) == 0 )
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continue;
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if ( (ht= tx->outpoints[i].spendheight) == 0 )
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{
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tx->outpoints[i].spendheight = LP_txheight(×tamp,&blocktime,coin,tx->outpoints[i].spendtxid);
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}
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if ( (ht= tx->outpoints[i].spendheight) != 0 && ht > lastheight )
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{
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char str[65]; printf("clear spend %s/v%d at ht.%d > lastheight.%d\n",bits256_str(str,tx->txid),i,ht,lastheight);
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tx->outpoints[i].spendheight = 0;
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tx->outpoints[i].spendvini = -1;
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memset(tx->outpoints[i].spendtxid.bytes,0,sizeof(bits256));
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}
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}
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}
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return(num);
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}
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uint64_t LP_txinterestvalue(uint64_t *interestp,char *destaddr,struct iguana_info *coin,bits256 txid,int32_t vout)
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{
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uint64_t interest,value = 0; cJSON *txobj,*sobj,*array; int32_t n=0;
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*interestp = 0;
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destaddr[0] = 0;
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if ( (txobj= LP_gettxout(coin->symbol,txid,vout)) != 0 )
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{
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if ( (value= jdouble(txobj,"amount")*SATOSHIDEN) == 0 && (value= jdouble(txobj,"value")*SATOSHIDEN) == 0 )
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{
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char str[65]; printf("%s LP_txvalue.%s strange utxo.(%s) vout.%d\n",coin->symbol,bits256_str(str,txid),jprint(txobj,0),vout);
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}
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else if ( strcmp(coin->symbol,"KMD") == 0 )
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{
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if ( (interest= jdouble(txobj,"interest")) != 0. )
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{
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//printf("add interest of %.8f to %.8f\n",interest,dstr(value));
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*interestp = SATOSHIDEN * interest;
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}
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}
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if ( (sobj= jobj(txobj,"scriptPubKey")) != 0 && (array= jarray(&n,sobj,"addresses")) != 0 )
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{
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strcpy(destaddr,jstri(array,0));
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if ( n > 1 )
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printf("LP_txinterestvalue warning: violation of 1 output assumption n.%d\n",n);
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} else printf("LP_txinterestvalue no addresses found?\n");
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//char str[65]; printf("%s %.8f <- %s.(%s) txobj.(%s)\n",destaddr,dstr(value),coin->symbol,bits256_str(str,txid),jprint(txobj,0));
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free_json(txobj);
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} else { char str[65]; printf("null gettxout return %s/v%d\n",bits256_str(str,txid),vout); }
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return(value);
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}
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int32_t LP_transactioninit(struct iguana_info *coin,bits256 txid,int32_t iter)
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{
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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];
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if ( (txobj= LP_gettx(coin->symbol,txid)) != 0 )
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{
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//printf("TX.(%s)\n",jprint(txobj,0));
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height = LP_txheight(×tamp,&blocktime,coin,txid);
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if ( timestamp == 0 && height > 0 )
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timestamp = blocktime;
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vins = jarray(&numvins,txobj,"vin");
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vouts = jarray(&numvouts,txobj,"vout");
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if ( iter == 0 && vouts != 0 && (tx= LP_transactionadd(coin,txid,height,numvouts,numvins,timestamp)) != 0 )
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{
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for (i=0; i<numvouts; i++)
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{
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vout = jitem(vouts,i);
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if ( (tx->outpoints[i].value= SATOSHIDEN * jdouble(vout,"value")) == 0 )
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tx->outpoints[i].value = SATOSHIDEN * jdouble(vout,"amount");
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tx->outpoints[i].interest = SATOSHIDEN * jdouble(vout,"interest");
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if ( (sobj= jobj(vout,"scriptPubKey")) != 0 )
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{
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if ( (addresses= jarray(&n,sobj,"addresses")) != 0 && n > 0 )
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{
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//printf("%s\n",jprint(addresses,0));
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if ( n > 1 )
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printf("LP_transactioninit: txid.(%s) multiple addresses.[%s]\n",bits256_str(str,txid),jprint(addresses,0));
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if ( (address= jstri(addresses,0)) != 0 && strlen(address) < sizeof(tx->outpoints[i].coinaddr) )
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strcpy(tx->outpoints[i].coinaddr,address);
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}
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}
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}
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}
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if ( iter == 1 && vins != 0 )
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{
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for (i=0; i<numvins; i++)
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{
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vin = jitem(vins,i);
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spenttxid = jbits256(vin,"txid");
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spentvout = jint(vin,"vout");
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if ( i == 0 && bits256_nonz(spenttxid) == 0 )
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continue;
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if ( (tx= LP_transactionfind(coin,spenttxid)) != 0 )
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{
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if ( spentvout < tx->numvouts )
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{
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tx->outpoints[spentvout].spendtxid = txid;
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tx->outpoints[spentvout].spendvini = i;
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tx->outpoints[spentvout].spendheight = height;
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//printf("spend %s %s/v%d at ht.%d\n",coin->symbol,bits256_str(str,tx->txid),spentvout,height);
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} else printf("LP_transactioninit: %s spentvout.%d < numvouts.%d\n",bits256_str(str,spenttxid),spentvout,tx->numvouts);
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} //else printf("LP_transactioninit: couldnt find (%s) ht.%d %s\n",bits256_str(str,spenttxid),height,jprint(vin,0));
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if ( bits256_cmp(spenttxid,txid) == 0 )
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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);
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}
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}
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free_json(txobj);
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return(0);
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} else printf("LP_transactioninit error for %s %s\n",coin->symbol,bits256_str(str,txid));
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return(-1);
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}
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int32_t LP_blockinit(struct iguana_info *coin,int32_t height)
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{
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int32_t i,iter,numtx,checkht=-1; cJSON *blockobj,*txs; bits256 txid; struct LP_transaction *tx;
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if ( (blockobj= LP_blockjson(&checkht,coin->symbol,0,height)) != 0 )
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{
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if ( (txs= jarray(&numtx,blockobj,"tx")) != 0 )
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{
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for (iter=0; iter<2; iter++)
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for (i=0; i<numtx; i++)
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{
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txid = jbits256i(txs,i);
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if ( (tx= LP_transactionfind(coin,txid)) != 0 )
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{
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if ( tx->height == 0 )
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tx->height = height;
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else if ( tx->height != height )
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{
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printf("LP_blockinit: tx->height %d != %d\n",tx->height,height);
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tx->height = height;
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}
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if ( iter == 1 )
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LP_transactioninit(coin,txid,iter);
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} else LP_transactioninit(coin,txid,iter);
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}
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}
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free_json(blockobj);
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}
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if ( checkht == height )
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return(0);
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else return(-1);
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}
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int32_t LP_scanblockchain(struct iguana_info *coin,int32_t startheight,int32_t endheight)
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{
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int32_t ht,n = 0;
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for (ht=startheight; ht<=endheight; ht++)
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{
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if ( LP_blockinit(coin,ht) < 0 )
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{
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printf("error loading block.%d of (%d, %d)\n",ht,startheight,endheight);
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return(ht-1);
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}
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n++;
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if ( (n % 1000) == 0 )
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fprintf(stderr,"%.1f%% ",100. * (double)n/(endheight-startheight+1));
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}
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return(endheight);
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}
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cJSON *LP_snapshot(struct iguana_info *coin,int32_t height)
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{
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static char lastcoin[16]; static int32_t maxsnapht;
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struct LP_transaction *tx,*tmp; struct LP_address *ap,*atmp; int32_t i,n,skipflag=0,startht,endht,ht; uint64_t balance=0,noaddr_balance=0; cJSON *retjson,*array,*item;
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//LP_blockinit(coin,421011);
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startht = 1;
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endht = height-1;
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if ( strcmp(coin->symbol,lastcoin) == 0 )
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{
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if ( maxsnapht > height )
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skipflag = 1;
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else startht = maxsnapht+1;
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}
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else
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{
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maxsnapht = 0;
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strcpy(lastcoin,coin->symbol);
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}
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retjson = cJSON_CreateObject();
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if ( skipflag == 0 && startht < endht )
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{
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if ( (ht= LP_scanblockchain(coin,startht,endht)) < endht )
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{
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sleep(10);
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if ( (ht= LP_scanblockchain(coin,startht,endht)) < endht )
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{
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jaddstr(retjson,"error","blockchain scan error");
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return(retjson);
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}
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}
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if ( ht > maxsnapht )
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{
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maxsnapht = ht;
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printf("maxsnapht.%d for %s\n",maxsnapht,coin->symbol);
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}
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}
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portable_mutex_lock(&coin->txmutex);
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HASH_ITER(hh,coin->addresses,ap,atmp)
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{
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ap->balance = 0;
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}
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HASH_ITER(hh,coin->transactions,tx,tmp)
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{
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if ( tx->height < height )
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{
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for (i=0; i<tx->numvouts; i++)
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{
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if ( (ht=tx->outpoints[i].spendheight) > 0 && ht < height )
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continue;
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if ( (ap= _LP_address(coin,tx->outpoints[i].coinaddr)) != 0 )
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{
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balance += tx->outpoints[i].value;
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ap->balance += tx->outpoints[i].value;
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printf("%s/%s %.8f %.8f\n",tx->outpoints[i].coinaddr,ap->coinaddr,dstr(tx->outpoints[i].value),dstr(ap->balance));
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} else noaddr_balance += tx->outpoints[i].value;
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}
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}
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}
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portable_mutex_unlock(&coin->txmutex);
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printf("%s balance %.8f at height.%d\n",coin->symbol,dstr(balance),height);
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array = cJSON_CreateArray();
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n = 0;
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HASH_ITER(hh,coin->addresses,ap,atmp)
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{
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if ( ap->balance != 0 )
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{
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item = cJSON_CreateArray();
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jaddistr(item,ap->coinaddr);
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jaddinum(item,dstr(ap->balance));
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jaddi(array,item);
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n++;
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}
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}
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jadd(retjson,"balances",array);
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jaddnum(retjson,"numaddresses",n);
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jaddnum(retjson,"total",dstr(balance));
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jaddnum(retjson,"noaddr_total",dstr(noaddr_balance));
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return(retjson);
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}
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int64_t basilisk_txvalue(char *symbol,bits256 txid,int32_t vout)
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{
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char destaddr[64]; uint64_t value,interest = 0; struct iguana_info *coin;
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if ( (coin= LP_coinfind(symbol)) == 0 || coin->inactive != 0 )
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return(0);
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//char str[65]; printf("%s txvalue.(%s)\n",symbol,bits256_str(str,txid));
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value = LP_txinterestvalue(&interest,destaddr,coin,txid,vout);
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return(value + interest);
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}
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uint64_t LP_txvalue(char *coinaddr,char *symbol,bits256 txid,int32_t vout)
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{
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struct LP_transaction *tx; char _coinaddr[64]; uint64_t interest = 0,value = 0; struct iguana_info *coin;
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if ( (coin= LP_coinfind(symbol)) == 0 || coin->inactive != 0 )
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return(0);
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if ( coinaddr != 0 )
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coinaddr[0] = 0;
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if ( (tx= LP_transactionfind(coin,txid)) != 0 )
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{
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if ( vout < tx->numvouts )
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{
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if ( bits256_nonz(tx->outpoints[vout].spendtxid) != 0 )
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{
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//char str[65]; printf("%s/v%d is spent\n",bits256_str(str,txid),vout);
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return(0);
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}
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else
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{
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if ( coinaddr != 0 )
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value = LP_txinterestvalue(&tx->outpoints[vout].interest,coinaddr,coin,txid,vout);
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//printf("return value %.8f + interest %.8f\n",dstr(tx->outpoints[vout].value),dstr(tx->outpoints[vout].interest));
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return(tx->outpoints[vout].value + tx->outpoints[vout].interest);
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}
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} else printf("vout.%d >= tx->numvouts.%d\n",vout,tx->numvouts);
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}
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if ( tx == 0 )
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{
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LP_transactioninit(coin,txid,0);
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LP_transactioninit(coin,txid,1);
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}
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if ( coinaddr == 0 )
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coinaddr = _coinaddr;
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value = LP_txinterestvalue(&interest,coinaddr,coin,txid,vout);
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//printf("coinaddr.(%s) value %.8f interest %.8f\n",coinaddr,dstr(value),dstr(interest));
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return(value + interest);
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}
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int32_t LP_spendsearch(bits256 *spendtxidp,int32_t *indp,char *symbol,bits256 searchtxid,int32_t searchvout)
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{
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struct LP_transaction *tx; struct iguana_info *coin;
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*indp = -1;
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if ( (coin= LP_coinfind(symbol)) == 0 || coin->inactive != 0 )
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return(-1);
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memset(spendtxidp,0,sizeof(*spendtxidp));
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if ( (tx= LP_transactionfind(coin,searchtxid)) != 0 )
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{
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if ( searchvout < tx->numvouts && tx->outpoints[searchvout].spendvini >= 0 )
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{
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*spendtxidp = tx->outpoints[searchvout].spendtxid;
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*indp = tx->outpoints[searchvout].spendvini;
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return(tx->outpoints[searchvout].spendheight);
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}
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}
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return(-1);
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}
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int32_t LP_mempoolscan(char *symbol,bits256 searchtxid)
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{
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int32_t i,n; cJSON *array; bits256 txid; struct iguana_info *coin; struct LP_transaction *tx;
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if ( (coin= LP_coinfind(symbol)) == 0 || coin->inactive != 0 )
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return(-1);
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if ( (array= LP_getmempool(symbol)) != 0 )
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{
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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 )
|
|
{
|
|
numconfirms = jint(txobj,"confirmations");
|
|
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);
|
|
}
|
|
|
|
|
|
|