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Marmara PoS check

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This commit is contained in:
jl777
2019-01-20 21:58:23 -11:00
parent 0cea4b2d11
commit c9a44be0b1
3 changed files with 45 additions and 23 deletions
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47
src/komodo_bitcoind.h
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@@ -557,9 +557,9 @@ uint64_t komodo_seed(int32_t height)
return(seed);
}
uint32_t komodo_txtime(uint64_t *valuep,uint256 hash, int32_t n, char *destaddr)
uint32_t komodo_txtime(CScript &opret,uint64_t *valuep,uint256 hash, int32_t n, char *destaddr)
{
CTxDestination address; CTransaction tx; uint256 hashBlock;
CTxDestination address; CTransaction tx; uint256 hashBlock; int32_t numvouts;
*valuep = 0;
if (!GetTransaction(hash, tx,
#ifndef KOMODO_ZCASH
@@ -570,10 +570,12 @@ uint32_t komodo_txtime(uint64_t *valuep,uint256 hash, int32_t n, char *destaddr)
//fprintf(stderr,"ERROR: %s/v%d locktime.%u\n",hash.ToString().c_str(),n,(uint32_t)tx.nLockTime);
return(0);
}
numvouts = tx.vout.size();
//fprintf(stderr,"%s/v%d locktime.%u\n",hash.ToString().c_str(),n,(uint32_t)tx.nLockTime);
if ( n < tx.vout.size() )
if ( n < numvouts )
{
*valuep = tx.vout[n].nValue;
opret = tx.vout[numvouts-1].scriptPubKey;
if (ExtractDestination(tx.vout[n].scriptPubKey, address))
strcpy(destaddr,CBitcoinAddress(address).ToString().c_str());
}
@@ -614,12 +616,12 @@ uint32_t komodo_txtime2(uint64_t *valuep,uint256 hash,int32_t n,char *destaddr)
int32_t komodo_WhoStaked(CBlock *pblock, CTxDestination &addressout)
{
int32_t n,vout; uint32_t txtime; uint64_t value; char voutaddr[64],destaddr[64]; CTxDestination voutaddress; uint256 txid;
int32_t n,vout; uint32_t txtime; uint64_t value; char voutaddr[64],destaddr[64]; CTxDestination voutaddress; uint256 txid; CScript opret;
if ( (n= pblock->vtx.size()) > 1 && pblock->vtx[n-1].vin.size() == 1 && pblock->vtx[n-1].vout.size() == 1 )
{
txid = pblock->vtx[n-1].vin[0].prevout.hash;
vout = pblock->vtx[n-1].vin[0].prevout.n;
txtime = komodo_txtime(&value,txid,vout,destaddr);
txtime = komodo_txtime(opret,&value,txid,vout,destaddr);
if ( ExtractDestination(pblock->vtx[n-1].vout[0].scriptPubKey,voutaddress) )
{
strcpy(voutaddr,CBitcoinAddress(voutaddress).ToString().c_str());
@@ -634,28 +636,33 @@ int32_t komodo_WhoStaked(CBlock *pblock, CTxDestination &addressout)
return(0);
}
int32_t komodo_isPoS(CBlock *pblock)
bool MarmaraPoScheck(char *destaddr,CScript opret,CScript scriptPubKey);
int32_t komodo_isPoS(CBlock *pblock,int32_t height)
{
int32_t n,vout; uint32_t txtime; uint64_t value; char voutaddr[64],destaddr[64]; CTxDestination voutaddress; uint256 txid;
int32_t n,vout,numvouts; uint32_t txtime; uint64_t value; char voutaddr[64],destaddr[64]; CTxDestination voutaddress; uint256 txid; CScript opret;
if ( ASSETCHAINS_STAKED != 0 )
{
if ( (n= pblock->vtx.size()) > 1 && pblock->vtx[n-1].vin.size() == 1 && pblock->vtx[n-1].vout.size() == 1 )
{
txid = pblock->vtx[n-1].vin[0].prevout.hash;
vout = pblock->vtx[n-1].vin[0].prevout.n;
txtime = komodo_txtime(&value,txid,vout,destaddr);
txtime = komodo_txtime(opret,&value,txid,vout,destaddr);
if ( ExtractDestination(pblock->vtx[n-1].vout[0].scriptPubKey,voutaddress) )
{
strcpy(voutaddr,CBitcoinAddress(voutaddress).ToString().c_str());
if ( ASSETCHAINS_MARMARA != 0 )
if ( pblock->vtx[n-1].vout[0].nValue == value && strcmp(destaddr,voutaddr) == 0 )
{
fprintf(stderr,"validate proper %s %s signature and unlockht preservation\n",voutaddr,destaddr);
// need to verify it was signed by the non-Marmarapk of the 1of2
}
if ( strcmp(destaddr,voutaddr) == 0 && pblock->vtx[n-1].vout[0].nValue == value )
{
//fprintf(stderr,"is PoS block!\n");
return(1);
if ( ASSETCHAINS_MARMARA == 0 )
return(1);
else
{
if ( pblock->vtx[n-1].vout[0].scriptPubKey.IsPayToCryptoCondition() != 0 && (numvouts= pblock->vtx[n-1].vout.size()) > 1 )
{
fprintf(stderr,"validate proper %s %s signature and unlockht preservation\n",voutaddr,destaddr);
return(MarmaraPoScheck(destaddr,opret,pblock->vtx[n-1].vout[numvouts-1].scriptPubKey));
}
}
}
}
}
@@ -1195,7 +1202,7 @@ uint32_t komodo_segid32(char *coinaddr)
int8_t komodo_segid(int32_t nocache,int32_t height)
{
CTxDestination voutaddress; CBlock block; CBlockIndex *pindex; uint64_t value; uint32_t txtime; char voutaddr[64],destaddr[64]; int32_t txn_count,vout; uint256 txid; int8_t segid = -1;
CTxDestination voutaddress; CBlock block; CBlockIndex *pindex; uint64_t value; uint32_t txtime; char voutaddr[64],destaddr[64]; int32_t txn_count,vout; uint256 txid; CScript opret; int8_t segid = -1;
if ( height > 0 && (pindex= komodo_chainactive(height)) != 0 )
{
if ( nocache == 0 && pindex->segid >= -1 )
@@ -1207,7 +1214,7 @@ int8_t komodo_segid(int32_t nocache,int32_t height)
{
txid = block.vtx[txn_count-1].vin[0].prevout.hash;
vout = block.vtx[txn_count-1].vin[0].prevout.n;
txtime = komodo_txtime(&value,txid,vout,destaddr);
txtime = komodo_txtime(opret,&value,txid,vout,destaddr);
if ( ExtractDestination(block.vtx[txn_count-1].vout[0].scriptPubKey,voutaddress) )
{
strcpy(voutaddr,CBitcoinAddress(voutaddress).ToString().c_str());
@@ -1464,7 +1471,7 @@ int32_t komodo_is_PoSblock(int32_t slowflag,int32_t height,CBlock *pblock,arith_
vout = pblock->vtx[txn_count-1].vin[0].prevout.n;
if ( prevtime != 0 )
{
if ( komodo_isPoS(pblock) != 0 )
if ( komodo_isPoS(pblock,height) != 0 )
{
eligible = komodo_stake(1,bnTarget,height,txid,vout,pblock->nTime,prevtime+27,(char *)"");
}
@@ -1500,7 +1507,7 @@ int32_t komodo_is_PoSblock(int32_t slowflag,int32_t height,CBlock *pblock,arith_
}
if ( slowflag == 0 && isPoS == 0 ) // maybe previous block is not seen yet, do the best approx
{
if ( komodo_isPoS(pblock) != 0 )
if ( komodo_isPoS(pblock,height) != 0 )
isPoS = 1;
}
if ( slowflag != 0 && isPoS != 0 )