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401 lines
20 KiB
401 lines
20 KiB
/******************************************************************************
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* Copyright © 2014-2016 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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#include "iguana777.h"
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//#include "SuperNET.h"
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//struct iguana_txid { bits256 txid; uint32_t txidind,firstvout,firstvin,locktime,version,timestamp; uint16_t numvouts,numvins; } __attribute__((packed));
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//struct iguana_msgvin { bits256 prev_hash; uint8_t *script; uint32_t prev_vout,scriptlen,sequence; } __attribute__((packed));
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//struct iguana_spend { uint32_t spendtxidind; int16_t prevout; uint16_t tbd:14,external:1,diffsequence:1; } __attribute__((packed));
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int32_t iguana_scriptdata(struct iguana_info *coin,uint8_t *scriptspace,long fileptr[2],char *fname,uint64_t scriptpos,int32_t scriptlen)
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{
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FILE *fp; long err; int32_t retval = scriptlen;
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#ifndef __PNACL__
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if ( scriptpos < 0xffffffff )
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{
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if ( fileptr[0] == 0 )
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fileptr[0] = (long)OS_mapfile(fname,&fileptr[1],0);
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if ( fileptr[0] != 0 )
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{
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if ( (scriptpos + scriptlen) <= fileptr[1] )
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{
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memcpy(scriptspace,(void *)(fileptr[0] + (uint32_t)scriptpos),scriptlen);
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return(retval);
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}
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else if ( 0 )
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{
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printf("munmap (%s)\n",fname);
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munmap((void *)fileptr[0],fileptr[1]);
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fileptr[0] = fileptr[1] = 0;
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}
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}
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}
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#else
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static portable_mutex_t mutex;
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portable_mutex_lock(&mutex);
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#endif
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if ( (fp= fopen(fname,"rb")) != 0 )
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{
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fseek(fp,scriptpos,SEEK_SET);
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if ( (err= fread(scriptspace,1,scriptlen,fp)) != scriptlen )
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{
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retval = -1;
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printf("%s script[%d] offset.%llu err.%ld\n",fname,scriptlen,(long long)scriptpos,err);
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} //else printf("%s script[%d] offset.%llu read.%ld\n",fname,scriptlen,(long long)scriptpos,err);
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fclose(fp);
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} else retval = -1;
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#ifdef __PNACL__
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portable_mutex_unlock(&mutex);
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#endif
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return(retval);
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}
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int32_t iguana_vinset(struct iguana_info *coin,uint8_t *scriptspace,int32_t height,struct iguana_msgvin *vin,struct iguana_txid *tx,int32_t i)
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{
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struct iguana_spend *s,*S; uint32_t spendind,unspentind; bits256 *X; struct iguana_bundle *bp;
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struct iguana_ramchaindata *rdata=0; struct iguana_txid *T; char fname[1024]; int32_t scriptlen,err = 0; struct iguana_ramchain *ramchain;
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memset(vin,0,sizeof(*vin));
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if ( height >= 0 && height < coin->chain->bundlesize*coin->bundlescount && (bp= coin->bundles[height / coin->chain->bundlesize]) != 0 )
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{
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ramchain = &bp->ramchain;//(bp == coin->current) ? &coin->RTramchain : &bp->ramchain;
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if ( ((rdata= ramchain->H.data) != 0 || ((bp == coin->current && (rdata= coin->RTramchain.H.data) != 0))) && i < tx->numvins )
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//if ( (rdata= ramchain->H.data) != 0 && i < rdata->numspends )
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{
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S = RAMCHAIN_PTR(rdata,Soffset);
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X = RAMCHAIN_PTR(rdata,Xoffset);
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T = RAMCHAIN_PTR(rdata,Toffset);
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spendind = (tx->firstvin + i);
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s = &S[spendind];
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vin->sequence = s->sequenceid;
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vin->prev_vout = s->prevout;
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if ( s->prevout < 0 )
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;
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if ( s->scriptpos != 0 && s->scriptlen > 0 )
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{
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iguana_vinsfname(coin,bp->ramchain.from_ro,fname,s->fileid);
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if ( (scriptlen= iguana_scriptdata(coin,scriptspace,coin->vinptrs[s->fileid],fname,s->scriptpos,s->scriptlen)) != s->scriptlen )
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printf("err.%d getting %d bytes from fileid.%llu[%d] %s for s%d\n",err,s->scriptlen,(long long)s->scriptpos,s->fileid,fname,spendind);
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}
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vin->scriptlen = s->scriptlen;
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vin->vinscript = scriptspace;
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iguana_ramchain_spendtxid(coin,&unspentind,&vin->prev_hash,T,rdata->numtxids,X,rdata->numexternaltxids,s);
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} else printf("null rdata.%p error height.%d i.%d\n",rdata,height,i);
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} else printf("error getting rdata.%p height.%d\n",rdata,height);
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if ( err != 0 )
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return(-err);
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else return(vin->scriptlen);
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}
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int32_t iguana_voutscript(struct iguana_info *coin,struct iguana_bundle *bp,uint8_t *scriptspace,char *asmstr,struct iguana_unspent *u,struct iguana_pkhash *p,int32_t txi)
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{
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struct vin_info V; char fname[1024],coinaddr[65]; int32_t scriptlen = -1;
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if ( u->scriptpos > 0 && u->scriptlen > 0 )
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{
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iguana_voutsfname(coin,bp->ramchain.from_ro,fname,u->fileid);
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if ( (scriptlen= iguana_scriptdata(coin,scriptspace,coin->voutptrs[u->fileid],fname,u->scriptpos,u->scriptlen)) != u->scriptlen )
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printf("%d bytes from fileid.%d[%d] %s for type.%d\n",u->scriptlen,u->fileid,u->scriptpos,fname,u->type);
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}
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else
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{
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memset(&V,0,sizeof(V));
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scriptlen = iguana_scriptgen(coin,&V.M,&V.N,coinaddr,scriptspace,asmstr,p->rmd160,u->type,(const struct vin_info *)&V,txi);
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}
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return(scriptlen);
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}
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int32_t iguana_voutset(struct iguana_info *coin,uint8_t *scriptspace,char *asmstr,int32_t height,struct iguana_msgvout *vout,struct iguana_txid *tx,int32_t i)
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{
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struct iguana_ramchaindata *rdata=0; uint32_t unspentind,scriptlen = 0; struct iguana_bundle *bp;
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struct iguana_unspent *u,*U; struct iguana_pkhash *P; struct iguana_ramchain *ramchain=0; int32_t err = 0;
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memset(vout,0,sizeof(*vout));
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if ( height >= 0 && height < coin->chain->bundlesize*coin->bundlescount && (bp= coin->bundles[height / coin->chain->bundlesize]) != 0 )
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{
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ramchain = &bp->ramchain;//(bp == coin->current) ? &coin->RTramchain : &bp->ramchain;
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if ( ((rdata= ramchain->H.data) != 0 || ((bp == coin->current && (rdata= coin->RTramchain.H.data) != 0))) && i < tx->numvouts )
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{
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U = RAMCHAIN_PTR(rdata,Uoffset);
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P = RAMCHAIN_PTR(rdata,Poffset);
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//U = (void *)(long)((long)rdata + rdata->Uoffset);
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//P = (void *)(long)((long)rdata + rdata->Poffset);
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unspentind = (tx->firstvout + i);
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u = &U[unspentind];
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if ( u->txidind != tx->txidind || u->vout != i || u->hdrsi != height / coin->chain->bundlesize )
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printf("iguana_voutset: txidind mismatch %d vs %d || %d vs %d || (%d vs %d)\n",u->txidind,u->txidind,u->vout,i,u->hdrsi,height / coin->chain->bundlesize);
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vout->value = u->value;
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vout->pk_script = scriptspace;
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scriptlen = iguana_voutscript(coin,bp,scriptspace,asmstr,u,&P[u->pkind],i);
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} else printf("iguana_voutset unexpected path [%d] rdata.%p i.%d %d\n",bp->hdrsi,rdata,i,tx->numvouts);
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} else printf("vout error getting rdata.%p height.%d\n",rdata,height);
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vout->pk_scriptlen = scriptlen;
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if ( err != 0 )
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return(-err);
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else return(scriptlen);
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}
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struct iguana_txid *iguana_blocktx(struct iguana_info *coin,struct iguana_txid *tx,struct iguana_block *block,int32_t i)
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{
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struct iguana_bundle *bp; uint32_t txidind;
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if ( i >= 0 && i < block->RO.txn_count )
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{
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if ( block->height >= 0 )
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{
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if ( (bp= coin->bundles[block->hdrsi]) != 0 )
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{
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if ( (txidind= block->RO.firsttxidind) > 0 )
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{
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if ( iguana_bundletx(coin,bp,block->bundlei,tx,txidind+i) == tx )
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return(tx);
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printf("error getting txidind.%d + i.%d from hdrsi.%d\n",txidind,i,block->hdrsi);
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return(0);
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} else printf("iguana_blocktx null txidind [%d:%d] i.%d\n",block->hdrsi,block->bundlei,i);
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} else printf("iguana_blocktx no bp.[%d]\n",block->hdrsi);
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} else printf("blocktx illegal height.%d\n",block->height);
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} else printf("i.%d vs txn_count.%d\n",i,block->RO.txn_count);
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return(0);
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}
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int32_t iguana_ramtxbytes(struct iguana_info *coin,uint8_t *serialized,int32_t maxlen,bits256 *txidp,struct iguana_txid *tx,int32_t height,struct iguana_msgvin *vins,struct iguana_msgvout *vouts,int32_t validatesigs)
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{
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int32_t i,rwflag=1,len = 0; char asmstr[512],txidstr[65];
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uint32_t numvins,numvouts; struct iguana_msgvin vin; struct iguana_msgvout vout; uint8_t space[IGUANA_MAXSCRIPTSIZE];
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len += iguana_rwnum(rwflag,&serialized[len],sizeof(tx->version),&tx->version);
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if ( coin->chain->isPoS != 0 )
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len += iguana_rwnum(rwflag,&serialized[len],sizeof(tx->timestamp),&tx->timestamp);
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numvins = tx->numvins, numvouts = tx->numvouts;
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len += iguana_rwvarint32(rwflag,&serialized[len],&numvins);
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memset(&vin,0,sizeof(vin));
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for (i=0; i<numvins; i++)
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{
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if ( vins == 0 )
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iguana_vinset(coin,space,height,&vin,tx,i);
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else vin = vins[i];
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if ( validatesigs != 0 && iguana_validatesigs(coin,&vin) < 0 )
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{
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printf("error validating vin.%d ht.%d\n",i,height);
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return(0);
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}
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len += iguana_rwvin(rwflag,0,&serialized[len],&vin);
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}
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if ( len > maxlen )
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{
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printf("len.%d > maxlen.%d\n",len,maxlen);
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return(0);
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}
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len += iguana_rwvarint32(rwflag,&serialized[len],&numvouts);
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for (i=0; i<numvouts; i++)
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{
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if ( vouts == 0 )
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iguana_voutset(coin,space,asmstr,height,&vout,tx,i);
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else vout = vouts[i];
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len += iguana_rwvout(rwflag,0,&serialized[len],&vout);
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}
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if ( len > maxlen )
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{
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printf("len.%d > maxlenB.%d\n",len,maxlen);
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return(0);
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}
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len += iguana_rwnum(rwflag,&serialized[len],sizeof(tx->locktime),&tx->locktime);
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*txidp = bits256_doublesha256(txidstr,serialized,len);
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if ( memcmp(txidp,tx->txid.bytes,sizeof(*txidp)) != 0 )
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{
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for (i=0; i<len; i++)
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printf("%02x",serialized[i]);
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char str[65],str2[65]; printf("\nrw.%d numvins.%d numvouts.%d error generating txbytes txid %s vs %s\n",rwflag,numvins,numvouts,bits256_str(str,*txidp),bits256_str(str2,tx->txid));
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return(-1);
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}
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return(len);
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}
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int32_t iguana_peerblockrequest(struct iguana_info *coin,uint8_t *blockspace,int32_t max,struct iguana_peer *addr,bits256 hash2,int32_t validatesigs)
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{
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struct iguana_txid *tx,T; bits256 checktxid; int32_t i,len,total,bundlei=-2; struct iguana_block *block; struct iguana_msgblock msgB; bits256 *tree,checkhash2,merkle_root; struct iguana_bundle *bp=0; long tmp; char str[65]; struct iguana_ramchaindata *rdata;
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if ( (bp= iguana_bundlefind(coin,&bp,&bundlei,hash2)) != 0 && bundlei >= 0 && bundlei < bp->n )
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{
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if ( (rdata= bp->ramchain.H.data) == 0 && bp == coin->current )
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rdata = coin->RTramchain.H.data;
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if ( (block= bp->blocks[bundlei]) != 0 && rdata != 0 )
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{
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iguana_blockunconv(coin->chain->zcash,coin->chain->auxpow,&msgB,block,0);
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msgB.txn_count = block->RO.txn_count;
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total = iguana_rwblock(coin->symbol,coin->chain->zcash,coin->chain->auxpow,coin->chain->hashalgo,1,&checkhash2,&blockspace[sizeof(struct iguana_msghdr) + 0],&msgB,max);
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if ( bits256_cmp(checkhash2,block->RO.hash2) != 0 )
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{
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//static int counter;
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//if ( counter++ < 100 )
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printf("iguana_peerblockrequest: blockhash mismatch ht.%d\n",bp->bundleheight+bundlei);
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return(-1);
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}
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for (i=0; i<block->RO.txn_count; i++)
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{
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if ( (tx= iguana_blocktx(coin,&T,block,i)) != 0 )
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{
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if ( (len= iguana_ramtxbytes(coin,&blockspace[sizeof(struct iguana_msghdr) + total],max - total,&checktxid,tx,block->height,0,0,validatesigs)) > 0 && bits256_cmp(checktxid,T.txid) == 0 )
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total += len;
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else
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{
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//static int counter;
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char str[65],str2[65];
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//if ( counter++ < 100 )
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{
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for (i=0; i<len; i++)
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printf("%02x",blockspace[sizeof(struct iguana_msghdr)+i]);
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printf(" error getting txi.%d [%d:%d] cmp.%s %s\n",i,bp->hdrsi,bundlei,bits256_str(str,checktxid),bits256_str(str2,T.txid));
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}
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break;
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}
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}
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else
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{
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printf("null tx error getting txi.%d [%d:%d]\n",i,bp->hdrsi,bundlei);
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break;
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}
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}
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if ( i == block->RO.txn_count )
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{
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tmp = (long)&blockspace[sizeof(struct iguana_msghdr) + total + sizeof(bits256)];
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tmp &= ~(sizeof(bits256) - 1);
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tree = (void *)tmp;
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for (i=0; i<block->RO.txn_count; i++)
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{
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if ( (tx= iguana_blocktx(coin,&T,block,i)) != 0 )
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tree[i] = T.txid;
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else break;
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}
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if ( i == block->RO.txn_count )
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{
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merkle_root = iguana_merkle(tree,block->RO.txn_count);
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if ( bits256_cmp(merkle_root,block->RO.merkle_root) == 0 )
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{
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if ( addr != 0 && addr->lastsent != block->height )
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{
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addr->lastsent = block->height;
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printf("Sendlen.%d block.%d %s to %s\n",total,block->height,bits256_str(str,block->RO.hash2),addr->ipaddr);
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if ( 0 )
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{
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struct iguana_txblock txdata; int32_t checklen; static struct OS_memspace RAWMEM;
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if ( RAWMEM.ptr == 0 )
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iguana_meminit(&RAWMEM,addr->ipaddr,0,IGUANA_MAXPACKETSIZE * 2,0);
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else iguana_memreset(&RAWMEM);
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memset(&txdata,0,sizeof(txdata));
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int32_t i;
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for (i=0; i<total; i++)
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{
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if ( i == 81 )
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printf(" ");
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printf("%02x",blockspace[i + sizeof(struct iguana_msghdr)]);
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}
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printf(" blocksize.%d\n",total);
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for (i=0; i<16; i++)
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printf("%02x",blockspace[i + sizeof(struct iguana_msghdr)+81]);
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printf(" txhdr\n");
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if ( (checklen= iguana_gentxarray(coin,&RAWMEM,&txdata,&checklen,&blockspace[sizeof(struct iguana_msghdr)],total)) != total )
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printf("Error reconstructing txarray checklen.%d total.%d\n",checklen,total);
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}
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return(iguana_queue_send(addr,0,blockspace,"block",total));
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}
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else
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{
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//printf("validated.[%d:%d] len.%d\n",bp->hdrsi,bundlei,total);
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return(total);
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}
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} else printf("iguana_peerblockrequest: error merkle cmp tx.[%d] for ht.%d\n",i,bp->bundleheight+bundlei);
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} else printf("iguana_peerblockrequest: error merkle verify tx.[%d] for ht.%d\n",i,bp->bundleheight+bundlei);
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} else printf("iguana_peerblockrequest: error getting tx.[%d] for ht.%d block.%p main.%d ht.%d\n",i,bp->bundleheight+bundlei,block,block!=0?block->mainchain:-1,block!=0?block->height:-1);
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}
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else
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{
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if ( coin->virtualchain != 0 )
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;
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if ( block != 0 )
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printf("iguana_peerblockrequest: block.%p ht.%d mainchain.%d [%d:%d] from %s bp.%p rdata.%p\n",block,block->height,block->mainchain,bp->hdrsi,bundlei,addr!=0?addr->ipaddr:"local",bp,bp!=0?rdata:0);
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else printf("iguana_peerblockrequest: block.%p [%d:%d]\n",block,bp->hdrsi,bundlei);
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}
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} //else printf("iguana_peerblockrequest: cant find %s\n",bits256_str(str,hash2));
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return(-1);
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}
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cJSON *iguana_blockjson(struct iguana_info *coin,struct iguana_block *block,int32_t txidsflag)
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{
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char str[65],hexstr[1024]; int32_t i,len,size; struct iguana_txid *tx,T; struct iguana_msgblock msg;
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bits256 hash2,nexthash2; uint8_t serialized[1024]; cJSON *array,*json = cJSON_CreateObject();
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jaddstr(json,"result","success");
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jaddstr(json,"hash",bits256_str(str,block->RO.hash2));
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jaddnum(json,"height",block->height);
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//jaddnum(json,"ipbits",block->fpipbits);
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jaddstr(json,"merkleroot",bits256_str(str,block->RO.merkle_root));
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jaddstr(json,"previousblockhash",bits256_str(str,block->RO.prev_block));
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if ( block->height > 0 )
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{
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nexthash2 = iguana_blockhash(coin,block->height+1);
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if ( bits256_nonz(nexthash2) != 0 )
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jaddstr(json,"nextblockhash",bits256_str(str,nexthash2));
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}
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jaddnum(json,"timestamp",block->RO.timestamp);
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jaddstr(json,"utc",utc_str(str,block->RO.timestamp));
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jaddnum(json,"nonce",block->RO.nonce);
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jaddnum(json,"version",block->RO.version);
|
|
jaddnum(json,"numvouts",block->RO.numvouts);
|
|
jaddnum(json,"numvins",block->RO.numvins);
|
|
jaddnum(json,"recvlen",block->RO.recvlen);
|
|
jaddnum(json,"hdrsi",block->hdrsi);
|
|
jaddnum(json,"difficulty",PoW_from_compact(block->RO.bits,coin->chain->unitval));
|
|
jaddnum(json,"bundlei",block->bundlei);
|
|
jaddnum(json,"mainchain",block->mainchain);
|
|
jaddnum(json,"valid",block->valid);
|
|
jaddnum(json,"txn_count",block->RO.txn_count);
|
|
|
|
jaddnum(json,"nBits",block->RO.bits);
|
|
serialized[0] = ((uint8_t *)&block->RO.bits)[3];
|
|
serialized[1] = ((uint8_t *)&block->RO.bits)[2];
|
|
serialized[2] = ((uint8_t *)&block->RO.bits)[1];
|
|
serialized[3] = ((uint8_t *)&block->RO.bits)[0];
|
|
init_hexbytes_noT(hexstr,serialized,sizeof(uint32_t));
|
|
jaddstr(json,"nBitshex",hexstr);
|
|
memset(&msg,0,sizeof(msg));
|
|
msg.H.version = block->RO.version;
|
|
msg.H.merkle_root = block->RO.merkle_root;
|
|
msg.H.timestamp = block->RO.timestamp;
|
|
msg.H.bits = block->RO.bits;
|
|
if ( block->RO.allocsize == sizeof(struct iguana_zblock) )
|
|
{
|
|
msg.zH.bignonce = block->zRO[0].bignonce;
|
|
msg.zH.numelements = ZCASH_SOLUTION_ELEMENTS;
|
|
for (i=0; i<ZCASH_SOLUTION_ELEMENTS; i++)
|
|
msg.zH.solution[i] = block->zRO[0].solution[i];
|
|
} else msg.H.nonce = block->RO.nonce;
|
|
msg.txn_count = 0;//block->RO.txn_count;
|
|
len = iguana_rwblock(coin->symbol,coin->chain->zcash,coin->chain->auxpow,coin->chain->hashalgo,1,&hash2,serialized,&msg,IGUANA_MAXPACKETSIZE*2);
|
|
init_hexbytes_noT(hexstr,serialized,len);
|
|
jaddstr(json,"blockheader",hexstr);
|
|
if ( txidsflag != 0 )
|
|
{
|
|
array = cJSON_CreateArray();
|
|
for (i=0; i<block->RO.txn_count; i++)
|
|
{
|
|
if ( (tx= iguana_blocktx(coin,&T,block,i)) != 0 )
|
|
jaddistr(array,bits256_str(str,tx->txid));
|
|
}
|
|
jadd(json,"tx",array);
|
|
//printf("add txids[%d]\n",block->txn_count);
|
|
}
|
|
if ( (size= iguana_peerblockrequest(coin,coin->blockspace,coin->blockspacesize,0,block->RO.hash2,0)) < 0 )
|
|
jaddstr(json,"error","couldnt generate raw bytes for block");
|
|
else jaddnum(json,"size",size);
|
|
return(json);
|
|
}
|
|
|
|
|