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VerusStakeTransaction

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This commit is contained in:
miketout
2018-10-03 00:58:00 -07:00
parent 8a727a26a7
commit 06f4116090
9 changed files with 140 additions and 58 deletions
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65
src/cc/CoinbaseGuard.cpp
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@@ -10,18 +10,42 @@
*/
#include "CoinbaseGuard.h"
#include "script/script.h"
#include "main.h"
extern int32_t VERUS_MIN_STAKEAGE;
bool UnpackStakeOpRet(const CTransaction &stakeTx, std::vector<std::vector<unsigned char>> vData)
bool UnpackStakeOpRet(const CTransaction &stakeTx, std::vector<std::vector<unsigned char>> &vData)
{
bool isValid = stakeTx.vout[stakeTx.vout.size() - 1].scriptPubKey.GetOpretData(vData);
if (isValid && (vData.size() >= CStakeParams::STAKE_MINPARAMS) && (vData.size() <= CStakeParams::STAKE_MAXPARAMS))
if (isValid && vData.size() == 1 && vData[0][0] > 0 && vData[0][0] < 4)
{
return true;
CScript data = CScript(vData[0].begin(), vData[0].end());
vData.clear();
uint32_t bytesTotal;
CScript::const_iterator pc = data.begin();
std::vector<unsigned char> vch = std::vector<unsigned char>();
opcodetype op;
bool moreData = true;
for (bytesTotal = vch.size();
bytesTotal <= nMaxDatacarrierBytes && !(isValid = (pc == data.end())) && (moreData = data.GetOp(pc, op, vch)) && (op > 0 && op <= OP_PUSHDATA4);
bytesTotal += vch.size())
{
vData.push_back(vch);
}
// if we ran out of data, we're ok
if (isValid)
if (isValid && (vData.size() >= CStakeParams::STAKE_MINPARAMS) && (vData.size() <= CStakeParams::STAKE_MAXPARAMS))
{
return true;
}
}
return false;
}
@@ -39,7 +63,7 @@ CStakeParams::CStakeParams(std::vector<std::vector<unsigned char>> vData)
vData[0][0] == OPRETTYPE_STAKEPARAMS && vData[1].size() <= 4 &&
vData[2].size() <= 4 &&
vData[3].size() == sizeof(prevHash) &&
(vData.size() == STAKE_MINPARAMS || vData[4].size() == 20 || vData[5].size() == 33))
(vData.size() == STAKE_MINPARAMS || (vData.size() == STAKE_MAXPARAMS && vData[4].size() == 33)))
{
for (auto ch : vData[1])
{
@@ -54,20 +78,12 @@ CStakeParams::CStakeParams(std::vector<std::vector<unsigned char>> vData)
if (vData.size() == 4)
{
dest = CTxDestination();
}
else if (vData[4].size() == 20)
{
dest = CTxDestination(CKeyID(uint160(vData[4])));
pk = CPubKey();
}
else if (vData[4].size() == 33)
{
CPubKey pk = CPubKey(vData[4]);
if (pk.IsValid())
{
dest = pk;
}
else
pk = CPubKey(vData[4]);
if (!pk.IsValid())
{
// invalidate
srcHeight = 0;
@@ -119,21 +135,11 @@ bool ValidateStakeTransaction(const CTransaction &stakeTx, CStakeParams &stakePa
(stakeParams.blkHeight - stakeParams.srcHeight >= VERUS_MIN_STAKEAGE) &&
Solver(srcTx.vout[stakeTx.vin[0].prevout.n].scriptPubKey, txType, vAddr))
{
if (txType == TX_PUBKEY)
if (txType == TX_PUBKEY && !stakeParams.pk.IsValid())
{
if (stakeParams.dest.which() == 0)
{
stakeParams.dest = CPubKey(vAddr[0]);
}
stakeParams.pk = CPubKey(vAddr[0]);
}
else if (txType == TX_PUBKEYHASH)
{
if (stakeParams.dest.which() == 0)
{
stakeParams.dest = CKeyID(uint160(vAddr[0]));
}
}
if ((txType == TX_PUBKEY) && (txType == TX_PUBKEYHASH))
if ((txType == TX_PUBKEY) || (txType == TX_PUBKEYHASH && stakeParams.pk.IsFullyValid()))
{
auto consensusBranchId = CurrentEpochBranchId(stakeParams.blkHeight, Params().GetConsensus());
isValid = VerifyScript(stakeTx.vin[0].scriptSig,
@@ -177,7 +183,7 @@ bool MakeGuardedOutput(CAmount value, CPubKey &dest, CTransaction &stakeTx, CTxO
// version
// utxo source hash
// utxo source output
// hashed address of destination's pubkey
// destination's pubkey
CKeyID key = dest.GetID();
vout.scriptPubKey << p.AsVector() << OP_DROP
<< a1 << OP_DROP << a2 << OP_DROP
@@ -230,6 +236,7 @@ bool CoinbaseGuardValidate(struct CCcontract_info *cp, Eval* eval, const CTransa
// return fail
cc_free(cc);
}
return true;
}
UniValue CoinbaseGuardInfo()