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FSM skeleton

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This commit is contained in:
jl777
2018-07-31 19:19:33 -11:00
parent c8624d4024
commit 7137a0223e
9 changed files with 113 additions and 60 deletions
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190
src/cc/fsm.cpp Normal file
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/******************************************************************************
* Copyright © 2014-2018 The SuperNET Developers. *
* *
* See the AUTHORS, DEVELOPER-AGREEMENT and LICENSE files at *
* the top-level directory of this distribution for the individual copyright *
* holder information and the developer policies on copyright and licensing. *
* *
* Unless otherwise agreed in a custom licensing agreement, no part of the *
* SuperNET software, including this file may be copied, modified, propagated *
* or distributed except according to the terms contained in the LICENSE file *
* *
* Removal or modification of this copyright notice is prohibited. *
* *
******************************************************************************/
#include "CCfsm.h"
#include "../txmempool.h"
/*
*/
// start of consensus code
uint64_t IsFSMvout(struct CCcontract_info *cp,const CTransaction& tx,int32_t v)
{
char destaddr[64];
if ( tx.vout[v].scriptPubKey.IsPayToCryptoCondition() != 0 )
{
if ( Getscriptaddress(destaddr,tx.vout[v].scriptPubKey) > 0 && strcmp(destaddr,cp->unspendableCCaddr) == 0 )
return(tx.vout[v].nValue);
}
return(0);
}
bool FSMExactAmounts(struct CCcontract_info *cp,Eval* eval,const CTransaction &tx,int32_t minage,uint64_t txfee)
{
static uint256 zerohash;
CTransaction vinTx; uint256 hashBlock,activehash; int32_t i,numvins,numvouts; uint64_t inputs=0,outputs=0,assetoshis;
numvins = tx.vin.size();
numvouts = tx.vout.size();
for (i=0; i<numvins; i++)
{
//fprintf(stderr,"vini.%d\n",i);
if ( (*cp->ismyvin)(tx.vin[i].scriptSig) != 0 )
{
//fprintf(stderr,"vini.%d check mempool\n",i);
if ( eval->GetTxUnconfirmed(tx.vin[i].prevout.hash,vinTx,hashBlock) == 0 )
return eval->Invalid("cant find vinTx");
else
{
//fprintf(stderr,"vini.%d check hash and vout\n",i);
if ( hashBlock == zerohash )
return eval->Invalid("cant FSM from mempool");
if ( (assetoshis= IsFSMvout(cp,vinTx,tx.vin[i].prevout.n)) != 0 )
inputs += assetoshis;
}
}
}
for (i=0; i<numvouts; i++)
{
//fprintf(stderr,"i.%d of numvouts.%d\n",i,numvouts);
if ( (assetoshis= IsFSMvout(cp,tx,i)) != 0 )
outputs += assetoshis;
}
if ( inputs != outputs+COIN+txfee )
{
fprintf(stderr,"inputs %llu vs outputs %llu\n",(long long)inputs,(long long)outputs);
return eval->Invalid("mismatched inputs != outputs + COIN + txfee");
}
else return(true);
}
bool FSMValidate(struct CCcontract_info *cp,Eval* eval,const CTransaction &tx)
{
int32_t numvins,numvouts,preventCCvins,preventCCvouts,i; bool retval;
numvins = tx.vin.size();
numvouts = tx.vout.size();
preventCCvins = preventCCvouts = -1;
if ( numvouts < 1 )
return eval->Invalid("no vouts");
else
{
//fprintf(stderr,"check vins\n");
for (i=0; i<numvins; i++)
{
if ( IsCCInput(tx.vin[0].scriptSig) == 0 )
{
fprintf(stderr,"fsmget invalid vini\n");
return eval->Invalid("illegal normal vini");
}
}
//fprintf(stderr,"check amounts\n");
if ( FSMExactAmounts(cp,eval,tx,1,10000) == false )
{
fprintf(stderr,"fsmget invalid amount\n");
return false;
}
else
{
preventCCvouts = 1;
if ( IsFSMvout(cp,tx,0) != 0 )
{
preventCCvouts++;
i = 1;
} else i = 0;
if ( tx.vout[i].nValue != COIN )
return eval->Invalid("invalid fsm output");
retval = PreventCC(eval,tx,preventCCvins,numvins,preventCCvouts,numvouts);
if ( retval != 0 )
fprintf(stderr,"fsmget validated\n");
else fprintf(stderr,"fsmget invalid\n");
return(retval);
}
}
}
// end of consensus code
// helper functions for rpc calls in rpcwallet.cpp
uint64_t AddFSMInputs(struct CCcontract_info *cp,CMutableTransaction &mtx,CPubKey pk,uint64_t total,int32_t maxinputs)
{
char coinaddr[64]; uint64_t nValue,price,totalinputs = 0; uint256 txid,hashBlock; std::vector<uint8_t> origpubkey; CTransaction vintx; int32_t n = 0;
std::vector<std::pair<CAddressUnspentKey, CAddressUnspentValue> > unspentOutputs;
GetCCaddress(cp,coinaddr,pk);
SetCCunspents(unspentOutputs,coinaddr);
for (std::vector<std::pair<CAddressUnspentKey, CAddressUnspentValue> >::const_iterator it=unspentOutputs.begin(); it!=unspentOutputs.end(); it++)
{
txid = it->first.txhash;
// prevent dup
if ( it->second.satoshis < 1000000 )
continue;
if ( GetTransaction(txid,vintx,hashBlock,false) != 0 )
{
if ( (nValue= IsFSMvout(cp,vintx,(int32_t)it->first.index)) > 0 )
{
if ( total != 0 && maxinputs != 0 )
mtx.vin.push_back(CTxIn(txid,(int32_t)it->first.index,CScript()));
nValue = it->second.satoshis;
totalinputs += nValue;
n++;
if ( (total > 0 && totalinputs >= total) || (maxinputs > 0 && n >= maxinputs) )
break;
}
}
}
return(totalinputs);
}
std::string FSMlist(uint64_t txfee)
{
return(0);
}
std::string FSMcreate(uint64_t txfee,std::string name,std::string states)
{
CMutableTransaction mtx; CPubKey mypk,fsmpk; CScript opret; uint64_t inputs,CCchange=0,nValue=COIN; struct CCcontract_info *cp,C;
cp = CCinit(&C,EVAL_FSM);
if ( txfee == 0 )
txfee = 10000;
fsmpk = GetUnspendable(cp,0);
mypk = pubkey2pk(Mypubkey());
if ( (inputs= AddFSMInputs(cp,mtx,fsmpk,nValue+txfee,60)) > 0 )
{
if ( inputs > nValue )
CCchange = (inputs - nValue - txfee);
if ( CCchange != 0 )
mtx.vout.push_back(MakeCC1vout(EVAL_FSM,CCchange,fsmpk));
mtx.vout.push_back(CTxOut(nValue,CScript() << ParseHex(HexStr(mypk)) << OP_CHECKSIG));
return(FinalizeCCTx(-1LL,cp,mtx,mypk,txfee,opret));
} else fprintf(stderr,"cant find fsm inputs\n");
return(0);
}
std::string FSMinfo(uint64_t txfee,uint256 fsmtxid)
{
CMutableTransaction mtx; CPubKey mypk,fsmpk; uint64_t funds = 0; CScript opret; struct CCcontract_info *cp,C;
cp = CCinit(&C,EVAL_FSM);
if ( txfee == 0 )
txfee = 10000;
mypk = pubkey2pk(Mypubkey());
fsmpk = GetUnspendable(cp,0);
if ( AddNormalinputs(mtx,mypk,txfee,64) > 0 )
{
mtx.vout.push_back(MakeCC1vout(EVAL_FSM,funds,fsmpk));
return(FinalizeCCTx(0,cp,mtx,mypk,txfee,opret));
}
return(0);
}