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initial commit to use CCopt for custom CC

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This commit is contained in:
blackjok3r
2019-04-16 20:59:15 +08:00
parent 7f89532c03
commit 997f9ce5fc
4 changed files with 59 additions and 13 deletions
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45
src/cc/customcc.cpp
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@@ -11,7 +11,7 @@
*/
CScript custom_opret(uint8_t funcid,CPubKey pk)
{
{
CScript opret; uint8_t evalcode = EVAL_CUSTOM;
opret << OP_RETURN << E_MARSHAL(ss << evalcode << funcid << pk);
return(opret);
@@ -64,25 +64,54 @@ UniValue custom_func1(uint64_t txfee,struct CCcontract_info *cp,cJSON *params)
mypk = pubkey2pk(Mypubkey());
if ( AddNormalinputs(mtx,mypk,COIN+txfee,64) >= COIN+txfee ) // add utxo to mtx
{
mtx.vout.push_back(MakeCC1vout(cp->evalcode,amount,mypk)); // make vout0
// add opreturn, change is automatically added and tx is properly signed
rawtx = FinalizeCCTx(0,cp,mtx,mypk,txfee,custom_opret('1',mypk));
// make op_return payload as normal.
CScript opret = custom_opret('1',mypk);
std::vector<std::vector<unsigned char>> vData = std::vector<std::vector<unsigned char>>();
vData.push_back(std::vector<unsigned char>(opret.begin(), opret.end()));
// make vout0 with op_return included as payload.
mtx.vout.push_back(MakeCC1vout(cp->evalcode,amount,mypk,&vData));
fprintf(stderr, "vout size2.%li\n", mtx.vout.size());
rawtx = FinalizeCCTx(0,cp,mtx,mypk,txfee,CScript());
return(custom_rawtxresult(result,rawtx,broadcastflag));
}
return(result);
}
bool has_opret(const CTransaction &tx, uint8_t evalcode)
{
for ( auto vout : tx.vout )
{
if ( vout.scriptPubKey[1] == evalcode )
return true;
}
return false;
}
bool custom_validate(struct CCcontract_info *cp,int32_t height,Eval *eval,const CTransaction tx)
{
char expectedaddress[64]; CPubKey pk;
if ( tx.vout.size() != 2 ) // make sure the tx only has 2 outputs
CScript opret; int32_t numvout;
if ( !has_opret(tx, EVAL_CUSTOM) )
{
std::vector<std::vector<unsigned char>> vParams = std::vector<std::vector<unsigned char>>();
CScript dummy;
if ( tx.vout[0].scriptPubKey.IsPayToCryptoCondition(&dummy, vParams) && vParams.size() == 1 )
{
opret << E_MARSHAL(ss << vParams[0]);
}
numvout = 1;
}
else
{
opret = tx.vout[1].scriptPubKey;
numvout = 2;
}
if ( tx.vout.size() != numvout ) // make sure the tx only has appropriate outputs
return eval->Invalid("invalid number of vouts");
else if ( custom_opretdecode(pk,tx.vout[1].scriptPubKey) != '1' ) // verify has opreturn
else if ( custom_opretdecode(pk,opret) != '1' ) // verify opreturn payload
return eval->Invalid("invalid opreturn");
GetCCaddress(cp,expectedaddress,pk);
if ( IsCClibvout(cp,tx,0,expectedaddress) == COIN ) // make sure amount and destination matches
return(true);
else return eval->Invalid("invalid vout0 amount");
}