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Require sbits/fundingtxid matches for rewards vins

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This commit is contained in:
jl777
2018-08-07 21:25:51 -11:00
parent d587c96cfc
commit 112803d8e1
1 changed files with 20 additions and 13 deletions
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33
src/cc/rewards.cpp
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@@ -137,18 +137,23 @@ uint8_t DecodeRewardsOpRet(uint256 txid,const CScript &scriptPubKey,uint64_t &sb
return(0);
}
uint64_t IsRewardsvout(struct CCcontract_info *cp,const CTransaction& tx,int32_t v)
uint64_t IsRewardsvout(struct CCcontract_info *cp,const CTransaction& tx,int32_t v,uint64_t refsbits,uint256 reffundingtxid)
{
char destaddr[64];
if ( tx.vout[v].scriptPubKey.IsPayToCryptoCondition() != 0 )
char destaddr[64]; uint64_t sbits; uint256 fundingtxid,txid; uint8_t funcid; int32_t numvouts;
if ( tx.vout[v].scriptPubKey.IsPayToCryptoCondition() != 0 && (numvouts= (int32_t)tx.vout.size()) > 0 )
{
if ( Getscriptaddress(destaddr,tx.vout[v].scriptPubKey) > 0 && strcmp(destaddr,cp->unspendableCCaddr) == 0 )
return(tx.vout[v].nValue);
txid = tx.GetHash();
if ( (funcid= DecodeRewardsOpRet(txid,tx.vout[numvouts-1].scriptPubKey,sbits,fundingtxid)) != 0 && sbits == refsbits && (fundingtxid == reffundingtxid || txid == reffundingtxid) )
{
if ( Getscriptaddress(destaddr,tx.vout[v].scriptPubKey) > 0 && strcmp(destaddr,cp->unspendableCCaddr) == 0 )
return(tx.vout[v].nValue);
}
}
return(0);
}
bool RewardsExactAmounts(struct CCcontract_info *cp,Eval *eval,const CTransaction &tx,uint64_t txfee)
bool RewardsExactAmounts(struct CCcontract_info *cp,Eval *eval,const CTransaction &tx,uint64_t txfee,uint64_t refsbits,uint256 reffundingtxid)
{
static uint256 zerohash;
CTransaction vinTx; uint256 hashBlock; int32_t i,numvins,numvouts; uint64_t inputs=0,outputs=0,assetoshis;
@@ -164,7 +169,7 @@ bool RewardsExactAmounts(struct CCcontract_info *cp,Eval *eval,const CTransactio
{
if ( hashBlock == zerohash )
return eval->Invalid("cant rewards from mempool");
if ( (assetoshis= IsRewardsvout(cp,vinTx,tx.vin[i].prevout.n)) != 0 )
if ( (assetoshis= IsRewardsvout(cp,vinTx,tx.vin[i].prevout.n,refsbits,reffundingtxid)) != 0 )
inputs += assetoshis;
}
}
@@ -172,7 +177,7 @@ bool RewardsExactAmounts(struct CCcontract_info *cp,Eval *eval,const CTransactio
for (i=0; i<numvouts; i++)
{
//fprintf(stderr,"i.%d of numvouts.%d\n",i,numvouts);
if ( (assetoshis= IsRewardsvout(cp,tx,i)) != 0 )
if ( (assetoshis= IsRewardsvout(cp,tx,i,refsbits,reffundingtxid)) != 0 )
outputs += assetoshis;
}
if ( inputs != outputs+txfee )
@@ -236,7 +241,7 @@ bool RewardsValidate(struct CCcontract_info *cp,Eval* eval,const CTransaction &t
if ( (*cp->ismyvin)(tx.vin[i].scriptSig) == 0 )
return eval->Invalid("unexpected normal vin for unlock");
}
if ( RewardsExactAmounts(cp,eval,tx,txfee+tx.vout[1].nValue) == 0 )
if ( RewardsExactAmounts(cp,eval,tx,txfee+tx.vout[1].nValue,sbits,fundingtxid) == 0 )
return false;
else if ( eval->GetTxUnconfirmed(tx.vin[0].prevout.hash,vinTx,hashBlock) == 0 )
return eval->Invalid("always should find vin.0, but didnt");
@@ -264,7 +269,7 @@ bool RewardsValidate(struct CCcontract_info *cp,Eval* eval,const CTransaction &t
}
// 'L' vs 'F' and 'A'
uint64_t AddRewardsInputs(CScript &scriptPubKey,int32_t fundsflag,struct CCcontract_info *cp,CMutableTransaction &mtx,CPubKey pk,uint64_t total,int32_t maxinputs)
uint64_t AddRewardsInputs(CScript &scriptPubKey,int32_t fundsflag,struct CCcontract_info *cp,CMutableTransaction &mtx,CPubKey pk,uint64_t total,int32_t maxinputs,uint64_t refsbits,uint256 reffundingtxid)
{
char coinaddr[64],str[65]; uint64_t sbits,nValue,totalinputs = 0; uint256 txid,hashBlock,fundingtxid; CTransaction tx; int32_t j,vout,n = 0; uint8_t funcid;
std::vector<std::pair<CAddressUnspentKey, CAddressUnspentValue> > unspentOutputs;
@@ -286,6 +291,8 @@ uint64_t AddRewardsInputs(CScript &scriptPubKey,int32_t fundsflag,struct CCcontr
{
if ( (funcid= DecodeRewardsOpRet(txid,tx.vout[tx.vout.size()-1].scriptPubKey,sbits,fundingtxid)) != 0 )
{
if ( sbits != refsbits || fundingtxid != reffundingtxid )
continue;
fprintf(stderr,"fundsflag.%d (%c) %.8f %.8f\n",fundsflag,funcid,(double)tx.vout[vout].nValue/COIN,(double)it->second.satoshis/COIN);
if ( fundsflag != 0 && funcid != 'F' && funcid != 'A' && funcid != 'U' )
continue;
@@ -323,7 +330,7 @@ uint64_t RewardsPlanFunds(uint64_t refsbits,struct CCcontract_info *cp,CPubKey p
{
if ( (funcid == 'F' && reffundingtxid == txid) || reffundingtxid == fundingtxid )
{
if ( refsbits == sbits && (nValue= IsRewardsvout(cp,tx,vout)) > 0 )
if ( refsbits == sbits && (nValue= IsRewardsvout(cp,tx,vout,sbits,fundingtxid)) > 0 )
totalinputs += nValue;
else fprintf(stderr,"refsbits.%llx sbits.%llx nValue %.8f\n",(long long)refsbits,(long long)sbits,(double)nValue/COIN);
} //else fprintf(stderr,"else case\n");
@@ -520,7 +527,7 @@ std::string RewardsUnlock(uint64_t txfee,char *planstr,uint256 fundingtxid,uint2
}
fprintf(stderr,"APR %.8f minseconds.%llu maxseconds.%llu mindeposit %.8f\n",(double)APR/COIN,(long long)minseconds,(long long)maxseconds,(double)mindeposit/COIN);
if ( locktxid == zeroid )
amount = AddRewardsInputs(scriptPubKey,0,cp,mtx,rewardspk,(1LL << 30),1);
amount = AddRewardsInputs(scriptPubKey,0,cp,mtx,rewardspk,(1LL << 30),1,sbits,fundingtxid);
else
{
GetCCaddress(cp,coinaddr,rewardspk);
@@ -542,7 +549,7 @@ std::string RewardsUnlock(uint64_t txfee,char *planstr,uint256 fundingtxid,uint2
}
if ( amount > 0 && (reward= RewardsCalc(amount,mtx.vin[0].prevout.hash,APR,minseconds,maxseconds,mindeposit)) > txfee && scriptPubKey.size() > 0 )
{
if ( (inputs= AddRewardsInputs(ignore,1,cp,mtx,rewardspk,reward+txfee,30)) > 0 )
if ( (inputs= AddRewardsInputs(ignore,1,cp,mtx,rewardspk,reward+txfee,30,sbits,fundingtxid)) > 0 )
{
if ( inputs >= (reward + 2*txfee) )
CCchange = (inputs - (reward + txfee));