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Add entropy

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This commit is contained in:
jl777
2018-07-29 21:39:37 -11:00
parent 809f2e257b
commit 8138fad2cc
1 changed files with 35 additions and 10 deletions
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45
src/cc/dice.cpp
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@@ -26,6 +26,25 @@
2. and 3. can be done in mempool
*/
uint256 DiceHashEntropy(uint256 &entropy,uint256 txidseed)
{
int32_t i; uint8_t tmpseed,txidpub[32],txidpriv[32],mypriv[32],mypub[32],myseed[32],ssecret[32],ssecret2[32]; uint256 hentropy,tmp256,tmpseed;
hentropy = zeriod;
ed25519_create_keypair(txidpub,txidpriv,txidseed);
Myprivkey((uint8_t *)&tmp256);
tmpseed = tmp256.GetHash();
ed25519_create_keypair(mypub,mypriv,(uint8_t *)tmpseed);
ed25519_key_exchange(ssecret,txidpub,mypriv);
ed25519_key_exchange(ssecret2,mypub,txidpriv);
if ( memcmp(ssecret,ssecret2,32) == 0 )
{
memcpy(&tmp256,ssecret,32);
entropy = tmp256.GetHash();
hentropy = entropy.GetHash();
}
return(hentropy);
}
uint64_t DiceCalc(uint64_t amount,uint256 txid,int64_t minbet,int64_t maxbet,int64_t maxodds,int64_t forfeitblocks)
{
/*uint64_t duration,reward = 0;
@@ -61,14 +80,14 @@ uint8_t DecodeDiceFundingOpRet(const CScript &scriptPubKey,uint64_t &sbits,int64
return(0);
}
CScript EncodeDiceOpRet(uint8_t funcid,uint64_t sbits,uint256 fundingtxid)
CScript EncodeDiceOpRet(uint8_t funcid,uint64_t sbits,uint256 fundingtxid,uint256 hash)
{
CScript opret; uint8_t evalcode = EVAL_DICE;
opret << OP_RETURN << E_MARSHAL(ss << evalcode << funcid << sbits << fundingtxid);
opret << OP_RETURN << E_MARSHAL(ss << evalcode << funcid << sbits << fundingtxid << hash);
return(opret);
}
uint8_t DecodeDiceOpRet(uint256 txid,const CScript &scriptPubKey,uint64_t &sbits,uint256 &fundingtxid)
uint8_t DecodeDiceOpRet(uint256 txid,const CScript &scriptPubKey,uint64_t &sbits,uint256 &fundingtxid,uint256 &hash)
{
std::vector<uint8_t> vopret; uint8_t *script,e,f,funcid; int64_t minbet,maxbet,maxodds,forfeitblocks;
GetOpReturnData(scriptPubKey, vopret);
@@ -81,11 +100,12 @@ uint8_t DecodeDiceOpRet(uint256 txid,const CScript &scriptPubKey,uint64_t &sbits
{
if ( E_UNMARSHAL(vopret,ss >> e; ss >> f; ss >> sbits; ss >> minbet; ss >> maxbet; ss >> maxodds; ss >> forfeitblocks) != 0 )
{
hash = zeroid;
fundingtxid = txid;
return('F');
} else fprintf(stderr,"unmarshal error for F\n");
}
else if ( E_UNMARSHAL(vopret,ss >> e; ss >> f; ss >> sbits; ss >> fundingtxid) != 0 )
else if ( E_UNMARSHAL(vopret,ss >> e; ss >> f; ss >> sbits; ss >> fundingtxid; ss >> hash) != 0 )
{
if ( e == EVAL_DICE && (f == 'L' || f == 'U' || f == 'A') )
return(f);
@@ -393,7 +413,7 @@ std::string DiceCreateFunding(uint64_t txfee,char *planstr,int64_t funds,int64_t
std::string DiceAddfunding(uint64_t txfee,char *planstr,uint256 fundingtxid,int64_t amount)
{
CMutableTransaction mtx; CPubKey mypk,dicepk; CScript opret; uint64_t sbits; int64_t a,b,c,d; struct CCcontract_info *cp,C;
CMutableTransaction mtx; uint256 entropy,hentropy; CPubKey mypk,dicepk; CScript opret; uint64_t sbits; int64_t a,b,c,d; struct CCcontract_info *cp,C;
if ( amount < 0 )
{
fprintf(stderr,"negative parameter error\n");
@@ -413,8 +433,9 @@ std::string DiceAddfunding(uint64_t txfee,char *planstr,uint256 fundingtxid,int6
sbits = stringbits(planstr);
if ( AddNormalinputs(mtx,mypk,amount+txfee,64) > 0 )
{
hentropy = DiceHashEntropy(entropy,mtx.vin[0].prevout.hash);
mtx.vout.push_back(MakeCC1vout(cp->evalcode,amount,dicepk));
return(FinalizeCCTx(0,cp,mtx,mypk,txfee,EncodeDiceOpRet('A',sbits,fundingtxid)));
return(FinalizeCCTx(0,cp,mtx,mypk,txfee,EncodeDiceOpRet('A',sbits,fundingtxid,hentropy)));
} else fprintf(stderr,"cant find enough inputs\n");
fprintf(stderr,"cant find fundingtxid\n");
return(0);
@@ -422,7 +443,7 @@ std::string DiceAddfunding(uint64_t txfee,char *planstr,uint256 fundingtxid,int6
std::string DiceBet(uint64_t txfee,char *planstr,uint256 fundingtxid,int64_t bet,int32_t odds)
{
CMutableTransaction mtx; CPubKey mypk,dicepk; CScript opret; uint64_t sbits; int64_t funding,minbet,maxbet,maxodds,forfeitblocks; struct CCcontract_info *cp,C;
CMutableTransaction mtx; CPubKey mypk,dicepk; CScript opret; uint64_t sbits; int64_t funding,minbet,maxbet,maxodds,forfeitblocks; uint256 entropy,hentropy; struct CCcontract_info *cp,C;
if ( bet < 0 || odds < 1 )
{
fprintf(stderr,"negative parameter error\n");
@@ -448,9 +469,10 @@ std::string DiceBet(uint64_t txfee,char *planstr,uint256 fundingtxid,int64_t bet
{
if ( AddNormalinputs(mtx,mypk,bet+2*txfee,64) > 0 )
{
hentropy = DiceHashEntropy(entropy,mtx.vin[0].prevout.hash);
mtx.vout.push_back(MakeCC1vout(cp->evalcode,bet,dicepk));
mtx.vout.push_back(CTxOut(txfee,CScript() << ParseHex(HexStr(mypk)) << OP_CHECKSIG));
return(FinalizeCCTx(0,cp,mtx,mypk,txfee,EncodeDiceOpRet('L',sbits,fundingtxid)));
return(FinalizeCCTx(0,cp,mtx,mypk,txfee,EncodeDiceOpRet('L',sbits,fundingtxid,hentropy)));
} else fprintf(stderr,"cant find enough inputs %.8f note enough for %.8f\n",(double)funding/COIN,(double)bet/COIN);
}
fprintf(stderr,"cant find dice inputs\n");
@@ -459,7 +481,7 @@ std::string DiceBet(uint64_t txfee,char *planstr,uint256 fundingtxid,int64_t bet
std::string DiceUnlock(uint64_t txfee,char *planstr,uint256 fundingtxid,uint256 locktxid)
{
CMutableTransaction mtx; CTransaction tx; char coinaddr[64]; CPubKey mypk,dicepk; CScript opret,scriptPubKey,ignore; uint256 hashBlock; uint64_t funding,sbits,reward=0,amount=0,inputs,CCchange=0; int64_t minbet,maxbet,maxodds,forfeitblocks; struct CCcontract_info *cp,C;
CMutableTransaction mtx; CTransaction tx; char coinaddr[64]; CPubKey mypk,dicepk; CScript opret,scriptPubKey,ignore; uint256 hashBlock,entropy,hentropy; uint64_t funding,sbits,reward=0,amount=0,inputs,CCchange=0; int64_t minbet,maxbet,maxodds,forfeitblocks; struct CCcontract_info *cp,C;
cp = CCinit(&C,EVAL_DICE);
if ( txfee == 0 )
txfee = 10000;
@@ -500,9 +522,12 @@ std::string DiceUnlock(uint64_t txfee,char *planstr,uint256 fundingtxid,uint256
if ( inputs >= (reward + 2*txfee) )
CCchange = (inputs - (reward + txfee));
fprintf(stderr,"inputs %.8f CCchange %.8f amount %.8f reward %.8f\n",(double)inputs/COIN,(double)CCchange/COIN,(double)amount/COIN,(double)reward/COIN);
if ( houseflag != 0 )
hentropy = DiceHashEntropy(entropy,mtx.vin[0].prevout.hash);
else hentropy = zeroid;
mtx.vout.push_back(MakeCC1vout(cp->evalcode,CCchange,dicepk));
mtx.vout.push_back(CTxOut(amount+reward,scriptPubKey));
return(FinalizeCCTx(-1LL,cp,mtx,mypk,txfee,EncodeDiceOpRet('U',sbits,fundingtxid)));
return(FinalizeCCTx(-1LL,cp,mtx,mypk,txfee,EncodeDiceOpRet('U',sbits,fundingtxid,hentropy)));
}
fprintf(stderr,"cant find enough dice inputs\n");
}