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Working proof of stake with new algorithm

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This commit is contained in:
Michael Toutonghi
2018-05-15 00:54:18 -07:00
parent 3789cb0885
commit 1fae37f6bf
10 changed files with 123 additions and 157 deletions
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41
src/wallet/wallet.cpp
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@@ -21,6 +21,7 @@
#include "zcash/Note.hpp"
#include "crypter.h"
#include "coins.h"
#include <assert.h>
#include <boost/algorithm/string/replace.hpp>
@@ -43,6 +44,7 @@ bool fPayAtLeastCustomFee = true;
extern int32_t KOMODO_EXCHANGEWALLET;
extern char ASSETCHAINS_SYMBOL[KOMODO_ASSETCHAIN_MAXLEN];
extern int32_t VERUS_MIN_STAKEAGE;
CBlockIndex *komodo_chainactive(int32_t height);
/**
@@ -1002,6 +1004,8 @@ bool CWallet::VerusSelectStakeOutput(arith_uint256 &hashResult, CTransaction &st
vector<COutput> vecOutputs;
COutput *pwinner = NULL;
CBlockIndex *pastBlockIndex;
txnouttype whichType;
std:vector<std::vector<unsigned char>> vSolutions;
pwalletMain->AvailableCoins(vecOutputs, true, NULL, false, false);
@@ -1011,11 +1015,11 @@ bool CWallet::VerusSelectStakeOutput(arith_uint256 &hashResult, CTransaction &st
BOOST_FOREACH(COutput &txout, vecOutputs)
{
if ((curHash = UintToArith256(txout.tx->GetVerusPOSHash(txout.i, nHeight, pastHash)) / txout.tx->vout[txout.i].nValue) <= target &&
txout.fSpendable)
if (txout.fSpendable && (UintToArith256(txout.tx->GetVerusPOSHash(txout.i, nHeight, pastHash)) <= target) && (txout.nDepth >= VERUS_MIN_STAKEAGE))
{
// get the smallest winner
if (!pwinner || pwinner->tx->vout[pwinner->i].nValue > txout.tx->vout[txout.i].nValue)
if (Solver(txout.tx->vout[txout.i].scriptPubKey, whichType, vSolutions) && (whichType == TX_PUBKEY || whichType == TX_PUBKEYHASH) &&
(!pwinner || pwinner->tx->vout[pwinner->i].nValue > txout.tx->vout[txout.i].nValue))
pwinner = &txout;
}
}
@@ -1029,18 +1033,21 @@ bool CWallet::VerusSelectStakeOutput(arith_uint256 &hashResult, CTransaction &st
return false;
}
int32_t CWallet::VerusStakeTransaction(CPubKey &pubkey, CMutableTransaction &txNew, uint32_t &bnTarget, arith_uint256 &hashResult, uint8_t *utxosig) const
int32_t CWallet::VerusStakeTransaction(CMutableTransaction &txNew, uint32_t &bnTarget, arith_uint256 &hashResult, uint8_t *utxosig) const
{
arith_uint256 target;
CTransaction stakeSource;
int32_t voutNum, siglen = 0;
int64_t nValue;
txnouttype whichType;
std::vector<std::vector<unsigned char>> vSolutions;
CBlockIndex *tipindex = chainActive.Tip();
bnTarget = lwmaGetNextPOSRequired(tipindex, Params().GetConsensus());
target.SetCompact(bnTarget);
if (!VerusSelectStakeOutput(hashResult, stakeSource, voutNum, tipindex->nHeight, target))
if (!VerusSelectStakeOutput(hashResult, stakeSource, voutNum, tipindex->nHeight + 1, target) ||
!Solver(stakeSource.vout[voutNum].scriptPubKey, whichType, vSolutions))
{
return 0;
}
@@ -1058,20 +1065,16 @@ int32_t CWallet::VerusStakeTransaction(CPubKey &pubkey, CMutableTransaction &txN
txNew.vin[0].prevout.hash = stakeSource.GetHash();
txNew.vin[0].prevout.n = voutNum;
/*
uint8_t *script;
int32_t i;
uint8_t *ptr;
txNew.vout[0].scriptPubKey.resize(35);
ptr = (uint8_t *)pubkey.begin();
script = (uint8_t *)(txNew.vout[0].scriptPubKey.data());
script[0] = 33;
for (i=0; i<33; i++)
script[i+1] = ptr[i];
script[34] = OP_CHECKSIG;
*/
txNew.vout[0].scriptPubKey << ToByteVector(pubkey) << OP_CHECKSIG;
if (whichType == TX_PUBKEY)
{
txNew.vout[0].scriptPubKey << ToByteVector(vSolutions[0]) << OP_CHECKSIG;
}
else if (whichType == TX_PUBKEYHASH)
{
txNew.vout[0].scriptPubKey << OP_DUP << OP_HASH160 << ToByteVector(vSolutions[0]) << OP_EQUALVERIFY << OP_CHECKSIG;
}
else
return 0;
nValue = txNew.vout[0].nValue = voutNum - txfee;
txNew.nLockTime = 0;