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Constrain sell offer CC touts

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This commit is contained in:
jl777
2018-07-30 05:28:09 -11:00
parent ee360983eb
commit add613688e
1 changed files with 13 additions and 18 deletions
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31
src/cc/assets.cpp
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@@ -252,34 +252,29 @@ bool AssetsValidate(struct CCcontract_info *cp,Eval* eval,const CTransaction &tx
break;
case 's': // selloffer
case 'e': // selloffer
//vin.0: normal input
//vin.1+: valid CC output for sale
//vout.0: vin.1 assetoshis output to CC to unspendable
//vout.1: normal output for change (if any)
//vout.1: CC output for change (if any)
//vout.2: normal output for change (if any)
//'s'.vout.n-1: opreturn [EVAL_ASSETS] ['s'] [assetid] [amount of native coin required] [origpubkey]
//'e'.vout.n-1: opreturn [EVAL_ASSETS] ['e'] [assetid] [assetid2] [amount of asset2 required] [origpubkey]
preventCCvouts = 1;
if ( remaining_price == 0 )
return eval->Invalid("illegal null remaining_price for selloffer");
else if ( ConstrainVout(tx.vout[0],1,(char *)cp->unspendableCCaddr,0) == 0 )
if ( tx.vout[1].scriptPubKey.IsPayToCryptoCondition() != 0 )
{
preventCCvouts++;
if ( ConstrainVout(tx.vout[0],1,(char *)cp->unspendableCCaddr,0) == 0 )
return eval->Invalid("mismatched vout0 AssetsCCaddr for selloffer");
else if ( tx.vout[0].nValue+tx.vout[1].nValue != inputs )
return eval->Invalid("mismatched vout0+vout1 total for selloffer");
} else if ( ConstrainVout(tx.vout[0],1,(char *)cp->unspendableCCaddr,inputs) == 0 )
return eval->Invalid("mismatched vout0 AssetsCCaddr for selloffer");
//fprintf(stderr,"remaining.%d for sell\n",(int32_t)remaining_price);
preventCCvouts = 1;
break;
case 'e': // exchange
//vin.0: normal input
//vin.1+: valid CC output for sale
//vout.0: vin.1 assetoshis output to CC to unspendable
//vout.1: normal output for change (if any)
//'s'.vout.n-1: opreturn [EVAL_ASSETS] ['s'] [assetid] [amount of native coin required] [origpubkey]
//'e'.vout.n-1: opreturn [EVAL_ASSETS] ['e'] [assetid] [assetid2] [amount of asset2 required] [origpubkey]
if ( remaining_price == 0 )
return eval->Invalid("illegal null remaining_price for exchangeoffer");
else if ( ConstrainVout(tx.vout[0],1,(char *)cp->unspendableCCaddr,0) == 0 )
return eval->Invalid("mismatched vout0 AssetsCCaddr for exchangeoffer");
//fprintf(stderr,"remaining.%d for sell\n",(int32_t)remaining_price);
preventCCvouts = 2;
break;
case 'x': // cancel
//vin.0: normal input
//vin.1: unspendable.(vout.0 from exchange or selloffer) sellTx/exchangeTx.vout[0] inputTx