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Hentropy proof

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This commit is contained in:
jl777
2018-07-30 08:21:57 -11:00
parent e0ea3b3eb9
commit afef48c0bf
1 changed files with 9 additions and 6 deletions
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15
src/cc/dice.cpp
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@@ -15,6 +15,8 @@
#include "CCdice.h"
// timeout, validate, autoqueue
/*
in order to implement a dice game, we need a source of entropy, reasonably fast completion time and a way to manage the utxos.
@@ -183,10 +185,10 @@ uint8_t DecodeDiceFundingOpRet(const CScript &scriptPubKey,uint64_t &sbits,int64
return(0);
}
CScript EncodeDiceOpRet(uint8_t funcid,uint64_t sbits,uint256 fundingtxid,uint256 hash)
CScript EncodeDiceOpRet(uint8_t funcid,uint64_t sbits,uint256 fundingtxid,uint256 hash,uint256 proof)
{
CScript opret; uint8_t evalcode = EVAL_DICE;
opret << OP_RETURN << E_MARSHAL(ss << evalcode << funcid << sbits << fundingtxid << hash);
opret << OP_RETURN << E_MARSHAL(ss << evalcode << funcid << sbits << fundingtxid << hash << proof);
return(opret);
}
@@ -628,7 +630,7 @@ std::string DiceAddfunding(uint64_t txfee,char *planstr,uint256 fundingtxid,int6
hentropy = DiceHashEntropy(entropy,mtx.vin[0].prevout.hash);
mtx.vout.push_back(MakeCC1vout(cp->evalcode,amount,dicepk));
mtx.vout.push_back(CTxOut(txfee,CScript() << ParseHex(HexStr(mypk)) << OP_CHECKSIG));
return(FinalizeCCTx(0,cp,mtx,mypk,txfee,EncodeDiceOpRet('E',sbits,fundingtxid,hentropy)));
return(FinalizeCCTx(0,cp,mtx,mypk,txfee,EncodeDiceOpRet('E',sbits,fundingtxid,hentropy,zeroid)));
} else fprintf(stderr,"cant find enough inputs\n");
fprintf(stderr,"cant find fundingtxid\n");
return(0);
@@ -658,7 +660,7 @@ std::string DiceBet(uint64_t txfee,char *planstr,uint256 fundingtxid,int64_t bet
mtx.vout.push_back(MakeCC1vout(cp->evalcode,entropyval,dicepk));
mtx.vout.push_back(MakeCC1vout(cp->evalcode,bet,dicepk));
mtx.vout.push_back(CTxOut(txfee+odds,CScript() << ParseHex(HexStr(mypk)) << OP_CHECKSIG));
return(FinalizeCCTx(0,cp,mtx,mypk,txfee,EncodeDiceOpRet('B',sbits,fundingtxid,entropy)));
return(FinalizeCCTx(0,cp,mtx,mypk,txfee,EncodeDiceOpRet('B',sbits,fundingtxid,entropy,zeroid)));
} else fprintf(stderr,"cant find enough inputs %.8f note enough for %.8f\n",(double)funding/COIN,(double)bet/COIN);
}
if ( entropyval == 0 && funding != 0 )
@@ -669,12 +671,13 @@ std::string DiceBet(uint64_t txfee,char *planstr,uint256 fundingtxid,int64_t bet
std::string DiceWinLoseTimeout(uint64_t txfee,char *planstr,uint256 fundingtxid,uint256 bettxid,int32_t winlosetimeout)
{
CMutableTransaction mtx; CTransaction betTx,entropyTx; uint256 entropytxid,hashBlock,bettorentropy,entropy,hentropy; CScript scriptPubKey; CPubKey mypk,dicepk; struct CCcontract_info *cp,C; int64_t inputs,CCchange=0,odds,fundsneeded,minbet,maxbet,maxodds,timeoutblocks; uint8_t funcid; int32_t iswin; uint64_t entropyval,sbits;
CMutableTransaction mtx; CTransaction betTx,entropyTx; uint256 hentropyproof,entropytxid,hashBlock,bettorentropy,entropy,hentropy; CScript scriptPubKey; CPubKey mypk,dicepk; struct CCcontract_info *cp,C; int64_t inputs,CCchange=0,odds,fundsneeded,minbet,maxbet,maxodds,timeoutblocks; uint8_t funcid; int32_t iswin; uint64_t entropyval,sbits;
if ( (cp= Diceinit(fundingtxid,&C,planstr,txfee,mypk,dicepk,sbits,minbet,maxbet,maxodds,timeoutblocks)) == 0 )
return(0);
if ( GetTransaction(bettxid,betTx,hashBlock,false) != 0 && GetTransaction(betTx.vin[0].prevout.hash,entropyTx,hashBlock,false) != 0 )
{
bettorentropy = DiceGetEntropy(betTx,'B');
// need to set hentropyproof
if ( (iswin= DiceIsWinner(0,bettxid,betTx,entropyTx,bettorentropy,sbits,minbet,maxbet,maxodds,timeoutblocks,fundingtxid)) != 0 )
{
if ( iswin == winlosetimeout )
@@ -719,7 +722,7 @@ std::string DiceWinLoseTimeout(uint64_t txfee,char *planstr,uint256 fundingtxid,
mtx.vout.push_back(CTxOut(txfee,entropyTx.vout[1].scriptPubKey));
}
hentropy = DiceHashEntropy(entropy,mtx.vin[0].prevout.hash);
return(FinalizeCCTx(0,cp,mtx,mypk,txfee,EncodeDiceOpRet(funcid,sbits,fundingtxid,hentropy)));
return(FinalizeCCTx(0,cp,mtx,mypk,txfee,EncodeDiceOpRet(funcid,sbits,fundingtxid,hentropy,hentropyproof)));
} else fprintf(stderr,"iswin.%d does not match.%d\n",iswin,winlosetimeout);
} else return(0);
}