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/******************************************************************************
* Copyright © 2014-2015 The SuperNET Developers. *
* *
* See the AUTHORS, DEVELOPER-AGREEMENT and LICENSE files at *
* the top-level directory of this distribution for the individual copyright *
* holder information and the developer policies on copyright and licensing. *
* *
* Unless otherwise agreed in a custom licensing agreement, no part of the *
* SuperNET software, including this file may be copied, modified, propagated *
* or distributed except according to the terms contained in the LICENSE file *
* *
* Removal or modification of this copyright notice is prohibited. *
* *
******************************************************************************/
#include "iguana777.h"
static uint16_t iguana_primes[] = { 65353, 65357, 65371, 65381, 65393, 65407, 65413, 65419, 65423, 65437, 65447, 65449, 65479, 65497, 65519, 65521 };
struct iguana_bloominds { uint16_t inds[8]; };
struct iguana_bloominds iguana_calcbloom(bits256 hash2)
{
int32_t i,j,k; struct iguana_bloominds bit;
k = (int32_t)(sizeof(bit)/sizeof(uint16_t)) - 1;
j = 15;
for (i=0; i<sizeof(bit)/sizeof(uint16_t); i++,j--,k--)
bit.inds[i] = (hash2.ushorts[j] % iguana_primes[k]);//, printf("%d ",bit.inds[i]);
//printf("bit.inds\n");
return(bit);
}
struct iguana_bloominds iguana_bloomset(struct iguana_info *coin,struct iguana_bloom16 *bloom,int32_t incr,struct iguana_bloominds bit)
{
int32_t i,alreadyset;
for (alreadyset=i=0; i<sizeof(bit)/sizeof(uint16_t); i++,bloom+=incr)
{
if ( GETBIT(bloom->hash2bits,bit.inds[i]) == 0 )
SETBIT(bloom->hash2bits,bit.inds[i]);
else alreadyset++;
}
if ( alreadyset == i )
printf("iguana_bloomset: collision\n");
return(bit);
}
int32_t iguana_bloomfind(struct iguana_info *coin,struct iguana_bloom16 *bloom,int32_t incr,struct iguana_bloominds bit)
{
int32_t i;
coin->bloomsearches++;
for (i=0; i<sizeof(bit)/sizeof(uint16_t); i++,bloom+=incr)
if ( GETBIT(bloom->hash2bits,bit.inds[i]) == 0 )
return(-1);
coin->bloomhits++;
return(0);
}
int32_t iguana_bundlescan(struct iguana_info *coin,struct iguana_bundle *bp,bits256 hash2)
{
int32_t bundlei;
for (bundlei=0; bundlei<bp->n; bundlei++)
{
if ( memcmp(hash2.bytes,bp->hashes[bundlei].bytes,sizeof(hash2)) == 0 )
{
//char str[65]; printf("hdrsi.%d scan.%s found %d of %d\n",bp->hdrsi,bits256_str(str,hash2),bundlei,bp->n);
return(bundlei);
}
}
return(-2);
}
struct iguana_bundle *iguana_bundlefind(struct iguana_info *coin,struct iguana_bundle **bpp,int32_t *bundleip,bits256 hash2)
{
int32_t i; struct iguana_bloominds bit; struct iguana_bundle *bp = *bpp;
bit = iguana_calcbloom(hash2);
if ( bp == 0 )
{
for (i=coin->bundlescount-1; i>=0; i--)
{
if ( (bp= coin->bundles[i]) != 0 )
{
if ( iguana_bloomfind(coin,&bp->bloom,0,bit) == 0 )
{
*bpp = bp;
if ( (*bundleip= iguana_bundlescan(coin,bp,hash2)) < 0 )
{
//printf("bloom miss\n");
coin->bloomfalse++;
}
else return(bp);
} //else printf("no bloom\n");
}
}
*bundleip = -2;
*bpp = 0;
return(0);
}
else if ( iguana_bloomfind(coin,&bp->bloom,0,bit) == 0 )
{
if ( (*bundleip= iguana_bundlescan(coin,bp,hash2)) >= 0 )
{
*bpp = bp;
return(bp);
} else printf("scan miss\n");
}
*bpp = 0;
*bundleip = -2;
return(0);
}
bits256 *iguana_bundleihash2p(struct iguana_info *coin,int32_t *isinsidep,struct iguana_bundle *bp,int32_t bundlei)
{
*isinsidep = 0;
if ( bundlei >= 0 && bundlei < coin->chain->bundlesize )
{
*isinsidep = 1;
return(&bp->hashes[bundlei]);
}
else if ( bundlei == -1 )
return(&bp->prevbundlehash2);
else if ( bundlei == coin->chain->bundlesize)
return(&bp->nextbundlehash2);
else return(0);
}
int32_t iguana_hash2set(struct iguana_info *coin,char *debugstr,struct iguana_bundle *bp,int32_t bundlei,bits256 newhash2)
{
int32_t isinside,checki,retval = -1; bits256 *orighash2p = 0; struct iguana_bundle *checkbp; char str[65]; struct iguana_bloominds bit;
if ( bp == 0 )
return(-1);
if ( bp->n <= bundlei )
{
printf("hash2set.%s [%d] of %d <- %s\n",debugstr,bundlei,bp->n,bits256_str(str,newhash2));
bp->n = coin->chain->bundlesize;
}
if ( bits256_nonz(newhash2) == 0 || (orighash2p= iguana_bundleihash2p(coin,&isinside,bp,bundlei)) == 0 )
{
printf("iguana_hash2set warning: bundlei.%d newhash2.%s orighash2p.%p\n",bundlei,bits256_str(str,newhash2),orighash2p);
*orighash2p = newhash2;
//getchar();
return(-1);
}
if ( bits256_nonz(*orighash2p) > 0 && memcmp(newhash2.bytes,orighash2p,sizeof(bits256)) != 0 )
{
char str2[65],str3[65];
bits256_str(str2,*orighash2p), bits256_str(str3,newhash2);
printf("ERRRO iguana_hash2set overwrite [%s] %s with %s [%d:%d]\n",debugstr,str2,str3,bp->hdrsi,bundlei);
*orighash2p = newhash2;
getchar();
return(-1);
}
if ( isinside != 0 )
{
bit = iguana_calcbloom(newhash2);
if ( iguana_bloomfind(coin,&bp->bloom,0,bit) < 0 )
{
//printf("bloomset (%s)\n",bits256_str(str,newhash2));
iguana_bloomset(coin,&bp->bloom,0,bit);
if ( 0 )
{
int32_t i;
if ( iguana_bloomfind(coin,&bp->bloom,0,bit) < 0 )
{
for (i=0; i<8; i++)
printf("%d ",bit.inds[i]);
printf("cant bloomfind just bloomset\n");
}
else
{
*orighash2p = newhash2;
checkbp = bp, checki = -2;
if ( iguana_bundlefind(coin,&checkbp,&checki,newhash2) == 0 || checki != bundlei )
{
printf("cant iguana_bundlefind just added.(%s) bundlei.%d %p vs checki.%d %p\n",bits256_str(str,newhash2),bundlei,bp,checki,checkbp);
}
else if ( (coin->bloomsearches % 100000) == 0 )
printf("BLOOM SUCCESS %.2f%% FP.%d/%d collisions.%d\n",100.*(double)coin->bloomhits/coin->bloomsearches,(int32_t)coin->bloomfalse,(int32_t)coin->bloomsearches,(int32_t)coin->collisions);
}
}
} //else printf("bloom found\n");
retval = 0;
} else retval = (bundlei >= 0 && bundlei < coin->chain->bundlesize) ? 0 : 1;
//printf("set [%d] <- %s\n",bundlei,bits256_str(str,newhash2));
*orighash2p = newhash2;
return(retval);
}
int32_t iguana_bundlehash2add(struct iguana_info *coin,struct iguana_block **blockp,struct iguana_bundle *bp,int32_t bundlei,bits256 hash2)
{
struct iguana_block *block =0; struct iguana_bundle *otherbp; //
int32_t otherbundlei,setval,bundlesize,err = 0;
if ( blockp != 0 )
*blockp = 0;
if ( bp == 0 )
return(-1111);
if ( bits256_nonz(hash2) > 0 && (block= iguana_blockhashset(coin,-1,hash2,1)) != 0 )
{
/*if ( (block->hdrsi != bp->hdrsi || block->bundlei != bundlei) && (block->hdrsi != 0 || block->bundlei != 0) )
{
return(-2);
}*/
bundlesize = coin->chain->bundlesize;
if ( bp->n > bundlesize )
{
printf("bp->n.%d is too big\n",bp->n);
return(0);
}
if ( bundlei >= bp->n && bundlei < coin->chain->bundlesize )
bp->n = bundlesize;//(bundlei < bundlesize-1) ? bundlesize : (bundlei + 1);
if ( (setval= iguana_hash2set(coin,"blockadd",bp,bundlei,hash2)) == 0 )
{
if ( (block->hdrsi != bp->hdrsi || block->bundlei != bundlei) && (block->hdrsi != 0 || block->bundlei != 0) )
{
printf("blockadd warning: %d[%d] <- %d[%d]\n",block->hdrsi,block->bundlei,bp->hdrsi,bundlei);
err |= 2;
exit(-1);
}
else
{
//char str[65]; printf(">>>>>>>>>>>>>> bundlehash2.(%s) ht.(%d %d)\n",bits256_str(str,hash2),bp->bundleheight,bundlei);
block->hdrsi = bp->hdrsi;
block->bundlei = bundlei;
bp->blocks[bundlei] = block;
otherbp = 0;
if ( (otherbp= iguana_bundlefind(coin,&otherbp,&otherbundlei,hash2)) != 0 || (bundlei % (bundlesize-1)) == 0)
{
if ( bundlei == 0 && (otherbundlei == -2 || otherbundlei == bundlesize-1) )
{
if ( otherbp != 0 && iguana_hash2set(coin,"blockadd0_prev",bp,-1,otherbp->hashes[0]) != 0 )
err |= 4;
if ( otherbp != 0 && iguana_hash2set(coin,"blockadd0_next",otherbp,bundlesize,bp->hashes[0]) != 0 )
err |= 8;
}
else if ( bundlei == bundlesize-1 && (otherbundlei == -2 || otherbundlei == 0) )
{
if ( otherbp != 0 && iguana_hash2set(coin,"blockaddL_prev",otherbp,-1,bp->hashes[0]) != 0 )
err |= 16;
if ( otherbp != 0 && iguana_hash2set(coin,"blockaddL_next",bp,bundlesize,otherbp->hashes[0]) != 0 )
err |= 32;
}
//else printf("blockadd warning: %d[%d] bloomfound %d[%d]\n",bp->hdrsi,bundlei,otherbp!=0?otherbp->hdrsi:-1,otherbundlei);
}
}
}
else if ( setval == 1 )
{
if ( bundlei == -1 && iguana_hash2set(coin,"blockadd_m1",bp,-1,hash2) != 0 )
err |= 4;
if ( bundlei == bundlesize && iguana_hash2set(coin,"blockaddL_m1",bp,bundlesize,hash2) != 0 )
err |= 4;
}
else if ( setval < 0 )
{
printf("neg setval error\n");
err |= 64;
}
if ( err == 0 && blockp != 0 )
*blockp = block;
} else err |= 128;
if ( err != 0 )
{
printf("bundlehash2add err.%d\n",err);
while ( 1 )
sleep(1);
exit(-1);
}
return(-err);
}
struct iguana_bundle *iguana_bundlecreate(struct iguana_info *coin,int32_t *bundleip,int32_t bundleheight,bits256 bundlehash2,bits256 allhash,int32_t issueflag)
{
char str[65]; struct iguana_bundle *bp = 0;
if ( bits256_nonz(bundlehash2) > 0 )
{
bits256_str(str,bundlehash2);
if ( iguana_bundlefind(coin,&bp,bundleip,bundlehash2) != 0 )
{
if ( bp->bundleheight >= 0 && bp->bundleheight != (bundleheight - *bundleip) )
printf("bundlecreate warning: bp->bundleheight %d != %d (bundleheight %d - %d bundlei)\n",bp->bundleheight,(bundleheight - *bundleip),bundleheight,*bundleip);
else if ( bits256_nonz(bp->allhash) == 0 )
bp->allhash = allhash;
return(bp);
}
bp = mycalloc('b',1,sizeof(*bp));
bp->n = coin->chain->bundlesize;
bp->hdrsi = coin->bundlescount;
bp->bundleheight = bundleheight;
bp->allhash = allhash;
iguana_hash2set(coin,"create",bp,0,bundlehash2);
if ( iguana_bundlehash2add(coin,0,bp,0,bundlehash2) == 0 )
{
bp->coin = coin;
bp->avetime = coin->avetime * 2.;
coin->bundles[coin->bundlescount] = bp;
if ( coin->bundlescount > 0 )
coin->bundles[coin->bundlescount-1]->nextbp = bp;
*bundleip = 0;
bits256_str(str,bundlehash2);
fprintf(stderr,"{%d} ",bp->bundleheight);
//printf("ht.%d alloc.[%d] new hdrs.%s %s\n",bp->bundleheight,coin->bundlescount,str,bits256_str(str2,allhash));
iguana_bundlehash2add(coin,0,bp,0,bundlehash2);
if ( issueflag != 0 )
{
iguana_blockQ(coin,bp,0,bundlehash2,1);
queue_enqueue("hdrsQ",&coin->hdrsQ,queueitem(str),1);
}
coin->bundlescount++;
}
else
{
printf("error adding bundlehash2 bundleheight.%d\n",bundleheight);
myfree(bp,sizeof(*bp));
bp = 0;
}
return(bp);
} else printf("cant create bundle with zerohash\n");
//else printf("iguana_hdrscreate cant find hdr with %s or %s\n",bits256_str(bundlehash2),bits256_str2(firstblockhash2));
return(0);
}
struct iguana_txid *iguana_bundletx(struct iguana_info *coin,struct iguana_bundle *bp,int32_t bundlei,struct iguana_txid *tx,int32_t txidind)
{
static bits256 zero;
int32_t hdrsi; int64_t Toffset; char fname[1024]; FILE *fp; struct iguana_ramchaindata rdata;
iguana_peerfname(coin,&hdrsi,"DB",fname,0,bp->hashes[0],zero,bp->n);
if ( (fp= fopen(fname,"rb")) != 0 )
{
fseek(fp,(long)&rdata.Toffset - (long)&rdata,SEEK_SET);
if ( fread(&Toffset,1,sizeof(Toffset),fp) == sizeof(Toffset) )
{
fseek(fp,Toffset + sizeof(struct iguana_txid) * txidind,SEEK_SET);
if ( fread(tx,1,sizeof(*tx),fp) == sizeof(*tx) )
{
fclose(fp);
return(tx);
} else printf("bundletx read error\n");
} else printf("bundletx Toffset read error\n");
fclose(fp);
} else printf("bundletx couldnt open.(%s)\n",fname);
return(0);
}
void iguana_bundlepurge(struct iguana_info *coin,struct iguana_bundle *bp)
{
static bits256 zero;
char fname[1024]; int32_t hdrsi,m,j; uint32_t ipbits;
if ( bp->emitfinish > coin->startutc && bp->purgetime == 0 && time(NULL) > bp->emitfinish+30 )
{
for (j=m=0; j<sizeof(coin->peers.active)/sizeof(*coin->peers.active); j++)
{
if ( (ipbits= (uint32_t)coin->peers.active[j].ipbits) != 0 )
{
if ( iguana_peerfname(coin,&hdrsi,"tmp",fname,ipbits,bp->hashes[0],zero,1) >= 0 )
{
if ( OS_removefile(fname,0) > 0 )
coin->peers.numfiles--, m++;
}
else printf("error removing.(%s)\n",fname);
}
}
//printf("purged hdrsi.%d m.%d\n",bp->hdrsi,m);
bp->purgetime = (uint32_t)time(NULL);
}
}
int64_t iguana_bundlecalcs(struct iguana_info *coin,struct iguana_bundle *bp)
{
int32_t bundlei; struct iguana_block *block;
if ( bp->emitfinish > coin->startutc )
{
bp->numhashes = bp->numsaved = bp->numcached = bp->numrecv = bp->n;
return(bp->datasize);
}
bp->datasize = bp->numhashes = bp->numsaved = bp->numcached = bp->numrecv = bp->minrequests = 0;
for (bundlei=0; bundlei<bp->n; bundlei++)
{
if ( bits256_nonz(bp->hashes[bundlei]) > 0 )
{
if ( (block= bp->blocks[bundlei]) != 0 || (block= iguana_blockfind(coin,bp->hashes[bundlei])) != 0 )
{
bp->blocks[bundlei] = block;
if ( bp->minrequests == 0 || (block->numrequests > 0 && block->numrequests < bp->minrequests) )
bp->minrequests = block->numrequests;
if ( block->fpipbits != 0 )
bp->numsaved++;
if ( block->RO.recvlen != 0 )
{
bp->numrecv++;
bp->datasize += block->RO.recvlen;
if ( block->queued != 0 )
bp->numcached++;
}
}
bp->numhashes++;
}
}
bp->metric = bp->numhashes;
return(bp->estsize);
}
void iguana_bundlestats(struct iguana_info *coin,char *str)
{
static uint32_t lastdisp;
int32_t i,n,dispflag,numrecv,done,numhashes,numcached,numsaved,numemit; int64_t estsize = 0;
struct iguana_bundle *bp,*firstgap = 0;
dispflag = (rand() % 1000) == 0;
numrecv = numhashes = numcached = numsaved = numemit = done = 0;
for (i=n=0; i<coin->bundlescount; i++)
{
if ( (bp= coin->bundles[i]) != 0 )
{
estsize += iguana_bundlecalcs(coin,bp);
numhashes += bp->numhashes;
numcached += bp->numcached;
numrecv += bp->numrecv;
numsaved += bp->numsaved;
if ( bp->emitfinish != 0 )
{
done++;
if ( bp->emitfinish > 1 )
numemit++;
iguana_bundlepurge(coin,bp);
} else if ( firstgap == 0 )
firstgap = bp;
}
}
coin->numremain = n;
coin->blocksrecv = numrecv;
char str2[65]; uint64_t tmp; int32_t diff,p = 0; struct tai difft,t = tai_now();
for (i=0; i<IGUANA_MAXPEERS; i++)
if ( coin->peers.active[i].usock >= 0 )
p++;
diff = (int32_t)time(NULL) - coin->startutc;
difft.x = (t.x - coin->starttime.x), difft.millis = (t.millis - coin->starttime.millis);
tmp = (difft.millis * 1000000);
tmp %= 1000000000;
difft.millis = ((double)tmp / 1000000.);
sprintf(str,"N[%d] Q.%d h.%d r.%d c.%d:%d:%d s.%d d.%d E.%d:%d M.%d L.%d est.%d %s %d:%02d:%02d %03.3f peers.%d/%d Q.(%d %d)",coin->bundlescount,coin->numbundlesQ,numhashes,coin->blocksrecv,coin->numcached,numcached,coin->cachefreed,numsaved,done,numemit,coin->numreqsent,coin->blocks.hwmchain.height,coin->longestchain,coin->MAXBUNDLES,mbstr(str2,estsize),(int32_t)difft.x/3600,(int32_t)(difft.x/60)%60,(int32_t)difft.x%60,difft.millis,p,coin->MAXPEERS,queue_size(&coin->priorityQ),queue_size(&coin->blocksQ));
//sprintf(str+strlen(str),"%s.%-2d %s time %.2f files.%d Q.%d %d\n",coin->symbol,flag,str,(double)(time(NULL)-coin->starttime)/60.,coin->peers.numfiles,queue_size(&coin->priorityQ),queue_size(&coin->blocksQ));
if ( time(NULL) > lastdisp+1000 )
{
printf("%s\n",str);
myallocated(0,0);
lastdisp = (uint32_t)time(NULL);
}
strcpy(coin->statusstr,str);
coin->estsize = estsize;
if ( firstgap != 0 && firstgap->queued == 0 )
iguana_bundleQ(coin,firstgap,10000);
}