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jl777
2018-07-10 01:19:29 -11:00
parent ed3d0a051e
commit 97a337f739
4 changed files with 27 additions and 155 deletions
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126
src/komodo_bitcoind.h
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@@ -1136,37 +1136,26 @@ int32_t komodo_segids(uint8_t *hashbuf,int32_t height,int32_t n)
}
}
uint32_t komodo_newstake(int32_t validateflag,arith_uint256 bnTarget,int32_t nHeight,uint256 txid,int32_t vout,uint32_t blocktime,uint32_t prevtime,char *destaddr)
uint32_t komodo_stake(int32_t validateflag,arith_uint256 bnTarget,int32_t nHeight,uint256 txid,int32_t vout,uint32_t blocktime,uint32_t prevtime,char *destaddr)
{
CBlockIndex *pindex; bool fNegative,fOverflow; uint8_t hashbuf[256]; char address[64]; bits256 addrhash; arith_uint256 hashval; uint256 hash,pasthash; int64_t diff=0; int32_t segid,minage,i,iter=0; uint32_t mfactor=64,txtime,winner = 0; arith_uint256 bnMaxPoSdiff; uint64_t value,coinage,supply = ASSETCHAINS_SUPPLY + nHeight*ASSETCHAINS_REWARD/SATOSHIDEN;
CBlockIndex *pindex; bool fNegative,fOverflow; uint8_t hashbuf[256]; char address[64]; bits256 addrhash; arith_uint256 hashval; uint256 hash,pasthash; int64_t diff=0; int32_t segid,minage,i,iter=0; uint32_t txtime,winner = 0; arith_uint256 bnMaxPoSdiff,ratio; uint64_t value,coinage,supply = ASSETCHAINS_SUPPLY + nHeight*ASSETCHAINS_REWARD/SATOSHIDEN;
txtime = komodo_txtime(&value,txid,vout,address);
if ( validateflag == 0 && blocktime < GetAdjustedTime() )
blocktime = GetAdjustedTime();
if ( nHeight < 6000 ) // POSTEST64
{
if ( blocktime < prevtime+60 )
blocktime = prevtime+60;
}
else
{
if ( blocktime < prevtime+3 )
blocktime = prevtime+3;
}
if ( blocktime < prevtime+3 )
blocktime = prevtime+3;
if ( value == 0 || txtime == 0 || blocktime == 0 || prevtime == 0 )
{
//fprintf(stderr,"komodo_stake null %.8f %u %u %u\n",dstr(value),txtime,blocktime,prevtime);
return(0);
}
if ( nHeight < 4400 ) // POSTEST64 change newstake to stake and stake to oldstake and remove
bnTarget.SetCompact(KOMODO_MINDIFF_NBITS,&fNegative,&fOverflow);
else if ( nHeight >= 7250 )
{
bnMaxPoSdiff.SetCompact(KOMODO_MINDIFF_NBITS,&fNegative,&fOverflow);
bnMaxPoSdiff = (bnMaxPoSdiff / arith_uint256(16));
if ( bnTarget < bnMaxPoSdiff )
bnTarget = bnMaxPoSdiff;
}
mfactor = 1024;
if ( value < SATOSHIDEN )
return(0);
bnMaxPoSdiff.SetCompact(KOMODO_MINDIFF_NBITS,&fNegative,&fOverflow);
ratio = (bnTarget / bnMaxPoSdiff);
bnMaxPoSdiff = (bnMaxPoSdiff / arith_uint256(KOMODO_MAXPOS_DIFF));
if ( bnTarget < bnMaxPoSdiff )
bnTarget = bnMaxPoSdiff;
if ( (minage= nHeight*3) > 6000 ) // about 100 blocks
minage = 6000;
pindex = 0;
@@ -1187,7 +1176,7 @@ uint32_t komodo_newstake(int32_t validateflag,arith_uint256 bnTarget,int32_t nHe
if ( blocktime+iter+segid*2 < txtime+minage )
continue;
coinage = (value * diff) * ((diff >> 16) + 1);
hashval = arith_uint256(supply * mfactor) * (UintToArith256(hash) / arith_uint256(coinage+1));
hashval = (ratio * arith_uint256(supply) * UintToArith256(hash)) / arith_uint256(coinage+1);
if ( hashval <= bnTarget )
{
winner = 1;
@@ -1224,100 +1213,15 @@ uint32_t komodo_newstake(int32_t validateflag,arith_uint256 bnTarget,int32_t nHe
return(blocktime * winner);
}
uint32_t komodo_stake(int32_t validateflag,arith_uint256 bnTarget,int32_t nHeight,uint256 txid,int32_t vout,uint32_t blocktime,uint32_t prevtime,char *destaddr)
{
CBlockIndex *pindex; bool fNegative,fOverflow; uint8_t hashbuf[128]; char address[64]; bits256 addrhash; arith_uint256 hashval; uint256 hash,pasthash; int64_t diff=0; int32_t segid,minage,i,iter=0; uint32_t mfactor=64,txtime,winner = 0; arith_uint256 bnMaxPoSdiff; uint64_t value,coinage,supply = ASSETCHAINS_SUPPLY + nHeight*ASSETCHAINS_REWARD/SATOSHIDEN;
if ( nHeight >= 4000 ) // POSTEST64 remove when this is oldstake
return(komodo_newstake(validateflag,bnTarget,nHeight,txid,vout,blocktime,prevtime,destaddr));
txtime = komodo_txtime(&value,txid,vout,address);
if ( blocktime < prevtime+57 )
blocktime = prevtime+57;
if ( value == 0 || txtime == 0 || blocktime == 0 || prevtime == 0 )
{
//fprintf(stderr,"komodo_stake null %.8f %u %u %u\n",dstr(value),txtime,blocktime,prevtime);
return(0);
}
if ( ASSETCHAINS_STAKED != 100 || nHeight < 2000 )
{
bnMaxPoSdiff.SetCompact(KOMODO_MINDIFF_NBITS,&fNegative,&fOverflow);
bnMaxPoSdiff = (bnMaxPoSdiff / arith_uint256(4));
if ( bnTarget < bnMaxPoSdiff )
bnTarget = bnMaxPoSdiff;
}
if ( (minage= nHeight*3) > 6000 ) // about 100 blocks
minage = 6000;
pindex = 0;
if ( (pindex= komodo_chainactive(nHeight>50?nHeight-50:1)) != 0 )
{
vcalc_sha256(0,(uint8_t *)&addrhash,(uint8_t *)address,(int32_t)strlen(address));
segid = ((nHeight + addrhash.uints[0]) & 0x3f);
pasthash = pindex->GetBlockHash();
memcpy(hashbuf,&pasthash,sizeof(pasthash));
memcpy(&hashbuf[sizeof(pasthash)],&addrhash,sizeof(addrhash));
if ( nHeight >= 2000 )
{
memcpy(&hashbuf[sizeof(pasthash)+sizeof(addrhash)],&txid,sizeof(txid));
memcpy(&hashbuf[sizeof(pasthash)+sizeof(addrhash)+sizeof(txid)],&vout,sizeof(vout));
vcalc_sha256(0,(uint8_t *)&hash,hashbuf,(int32_t)sizeof(uint256)*3 + sizeof(vout));
} else vcalc_sha256(0,(uint8_t *)&hash,hashbuf,(int32_t)sizeof(uint256)*2);
vcalc_sha256(0,(uint8_t *)&hash,hashbuf,(int32_t)sizeof(uint256)*2);
//fprintf(stderr,"(%s) vs. (%s) %s %.8f txtime.%u\n",address,destaddr,hash.ToString().c_str(),dstr(value),txtime);
for (iter=0; iter<3600; iter++)
{
diff = (iter + blocktime - txtime - minage);
if ( diff > 3600*24*30 )
diff = 3600*24*30;
if ( iter > 0 )
diff += iter + segid*2;
if ( blocktime+iter+segid*2 < txtime+minage )
continue;
coinage = (value * diff) * ((diff >> 16) + 1);
hashval = arith_uint256(supply * mfactor) * (UintToArith256(hash) / arith_uint256(coinage+1));
if ( hashval <= bnTarget )
{
winner = 1;
if ( validateflag == 0 )
{
blocktime += iter;
blocktime += segid * 2;
}
break;
}
if ( validateflag != 0 )
{
/*for (i=31; i>=24; i--)
fprintf(stderr,"%02x",((uint8_t *)&hashval)[i]);
fprintf(stderr," vs target ");
for (i=31; i>=24; i--)
fprintf(stderr,"%02x",((uint8_t *)&bnTarget)[i]);
fprintf(stderr," segid.%d iter.%d winner.%d coinage.%llu %d ht.%d gap.%d %.8f diff.%d\n",segid,iter,winner,(long long)coinage,(int32_t)(blocktime - txtime),nHeight,(int32_t)(blocktime - prevtime),dstr(value),(int32_t)diff);*/
break;
}
}
//fprintf(stderr,"iterated until i.%d winner.%d\n",i,winner);
if ( 0 )
{
for (i=31; i>=24; i--)
fprintf(stderr,"%02x",((uint8_t *)&hashval)[i]);
fprintf(stderr," vs ");
for (i=31; i>=24; i--)
fprintf(stderr,"%02x",((uint8_t *)&bnTarget)[i]);
fprintf(stderr," segid.%d iter.%d winner.%d coinage.%llu %d ht.%d t.%u %.8f diff.%d\n",segid,iter,winner,(long long)coinage,(int32_t)(blocktime - txtime),nHeight,blocktime,dstr(value),(int32_t)diff);
}
} //else fprintf(stderr,"skip PoS scan: diff %d blocktime %u > %u txtime+minage %u pindex.%p\n",(int32_t)(blocktime - (txtime+minage)),blocktime,txtime,minage,pindex);
if ( nHeight < 10 )
return(blocktime);
return(blocktime * winner);
}
arith_uint256 komodo_PoWtarget(int32_t *percPoSp,arith_uint256 target,int32_t height,int32_t goalperc)
{
CBlockIndex *pindex; arith_uint256 bnTarget,hashval,sum,ave; bool fNegative,fOverflow; int32_t i,n,ht,percPoS,diff,val;
CBlockIndex *pindex; arith_uint256 easydiff,bnTarget,hashval,sum,ave; bool fNegative,fOverflow; int32_t i,n,ht,percPoS,diff,val;
*percPoSp = percPoS = 0;
if ( height <= 10 || (ASSETCHAINS_STAKED == 100 && height <= 100) )
return(target);
sum = arith_uint256(0);
ave = sum;
easydiff.SetCompact(KOMODO_MINDIFF_NBITS,&fNegative,&fOverflow);
for (i=n=0; i<100; i++)
{
ht = height - 100 + i;
@@ -1375,7 +1279,7 @@ arith_uint256 komodo_PoWtarget(int32_t *percPoSp,arith_uint256 target,int32_t he
}
else if ( percPoS > goalperc ) // decrease PoW diff -> raise bnTarget
{
bnTarget = ((ave * arith_uint256(goalperc)) + (target * arith_uint256(percPoS))) / arith_uint256(percPoS + goalperc);
bnTarget = ((ave * arith_uint256(goalperc)) + (easydiff * arith_uint256(percPoS))) / arith_uint256(percPoS + goalperc);
if ( 1 )
{
for (i=31; i>=24; i--)