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Marmara coinbase initial impl

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This commit is contained in:
jl777
2019-01-12 00:29:37 -11:00
parent 46a1c07e5e
commit 2bde89c9ce
6 changed files with 85 additions and 3 deletions
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64
src/cc/marmara.cpp
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@@ -71,6 +71,70 @@ bool MarmaraExactAmounts(struct CCcontract_info *cp,Eval* eval,const CTransactio
else return(true);
}
int32_t MarmaraRandomize(uint32_t ind)
{
uint64_t val64; uint32_t val,range = (MARMARA_MAXLOCK - MARMARA_MINLOCK);
val64 = komodo_block_prg(ind);
val = (uint32_t)(val64 >> 32);
val ^= (uint32_t)val64;
return(val % range);
}
int32_t MarmaraUnlockht(int32_t height)
{
uint32_t ind = height / MARMARA_GROUPSIZE;
return(height + MarmaraRandomize(ind));
}
CScript EncodeMarmaraCoinbaseOpRet(CPubKey pk,int32_t height)
{
CScript opret; int32_t unlockht; uint8_t evalcode = EVAL_ORACLES;
unlockht = MarmaraUnlockht(ht);
opret << OP_RETURN << E_MARSHAL(ss << evalcode << 'C' << pk << height << unlockht);
return(opret);
}
uint8_t DecodeMaramaraCoinbaseOpRet(const CScript &scriptPubKey,CPubKey &pk,int32_t &height,int32_t &unlckht)
{
std::vector<uint8_t> vopret; uint8_t *script,e,f,funcid;
GetOpReturnData(scriptPubKey,vopret);
script = (uint8_t *)vopret.data();
if ( vopret.size() > 2 && script[0] == EVAL_MARMARA )
{
if ( script[1] == 'C' )
{
if ( E_UNMARSHAL(vopret,ss >> e; ss >> f; ss >> pk; ss >> height; ss >> unlockht) != 0 )
{
return(script[1]);
} else fprintf(stderr,"DecodeMaramaraCoinbaseOpRet unmarshal error for C\n");
}
}
return(0);
}
int32_t MarmaraValidateCoinbase(int32_t height,CTransaction tx)
{
struct CCcontract_info *cp,C; CPubKey pk; int32_t ht,unlockht; CTxOut ccvout;
cp = CCinit(&C,EVAL_MARMARA);
for (ht=0; ht<10000; ht+=MARMARA_GROUPSIZE/3)
fprintf(stderr,"%d ",MarmaraUnlockht(ht));
fprintf(stderr,"<- unlock hts\n");
if ( tx.vout.size() == 2 && tx.vout[1].nValue == 0 )
{
if ( DecodeMaramaraCoinbaseOpRet(tx.vout[1].scriptPubKey,pk,ht,unlockht) == 'C' )
{
if ( ht == height && MarmaraUnlockht(height) == unlockht )
{
ccvout = MakeCC1vout(EVAL_MARMARA,0,pk);
if ( ccvout.scriptPubKey == tx.vout[0].scriptPubKey )
return(0);
fprintf(stderr,"ht.%d mismatched CCvout scriptPubKey\n",height);
} else fprintf(stderr,"ht.%d %d vs %d unlock.%d\n",height,MarmaraUnlockht(height),ht,unlockht);
} else fprintf(stderr,"ht.%d error decoding coinbase opret\n");
}
return(-1);
}
bool MarmaraValidate(struct CCcontract_info *cp,Eval* eval,const CTransaction &tx, uint32_t nIn)
{
int32_t numvins,numvouts,preventCCvins,preventCCvouts,i,numblocks; bool retval; uint256 txid; uint8_t hash[32]; char str[65],destaddr[64];