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@ -90,6 +90,8 @@ WARNING: there is an attack vector that precludes betting any large amounts, it |
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What is needed is for the dealer node to track the entropy tx that was already broadcast into the mempool with its entropy revealed. Then before processing a dicebet, it is checked against the already revealed list. If it is found, the dicebet is refunded with proof that a different dicebet was already used to reveal the entropy |
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need to speed up dealer dicestatus loop (or in parallel) |
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*/ |
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#include "../compat/endian.h" |
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@ -1220,28 +1222,37 @@ double DiceStatus(uint64_t txfee,char *planstr,uint256 fundingtxid,uint256 bettx |
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{ |
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txid = it->first.txhash; |
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vout = (int32_t)it->first.index; |
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fprintf(stderr,"A "); |
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if ( GetTransaction(txid,betTx,hashBlock,false) != 0 && betTx.vout.size() >= 4 && betTx.vout[vout].scriptPubKey.IsPayToCryptoCondition() != 0 ) |
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{ |
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fprintf(stderr,"B "); |
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if ( DecodeDiceOpRet(txid,betTx.vout[betTx.vout.size()-1].scriptPubKey,sbits,fundingtxid,hash,proof) == 'B' ) |
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{ |
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fprintf(stderr,"C "); |
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CSpentIndexKey key(txid, 0); |
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CSpentIndexValue value; |
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CSpentIndexKey key2(txid, 1); |
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CSpentIndexValue value2; |
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fprintf(stderr,"D "); |
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if ( GetSpentIndex(key,value) != 0 || GetSpentIndex(key2,value2) != 0 ) |
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{ |
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//fprintf(stderr,"status bettxid.%s already spent\n",txid.GetHex().c_str());
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continue; |
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} |
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fprintf(stderr,"E "); |
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if ( myIsutxo_spentinmempool(txid,0) != 0 || myIsutxo_spentinmempool(txid,1) != 0 ) |
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{ |
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fprintf(stderr,"status bettxid.%s already spent in mempool\n",txid.GetHex().c_str()); |
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continue; |
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} |
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fprintf(stderr,"["); |
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res = DiceBetFinish(entropyused,&result,txfee,planstr,fundingtxid,txid,scriptPubKey == fundingPubKey); |
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fprintf(stderr,"]"); |
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if ( result > 0 ) |
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{ |
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fprintf(stderr,"("); |
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mySenddicetransaction(res,entropyused,txid); |
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fprintf(stderr,"("); |
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n++; |
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} else error = res; |
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} |
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@ -1280,7 +1291,7 @@ double DiceStatus(uint64_t txfee,char *planstr,uint256 fundingtxid,uint256 bettx |
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if ( result > 0 ) |
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{ |
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mySenddicetransaction(res,entropyused,bettxid); |
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usleep(100000); |
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sleep(1); |
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if ( (vout= myIsutxo_spent(spenttxid,bettxid,1)) >= 0 ) |
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{ |
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if ( GetTransaction(txid,betTx,hashBlock,false) != 0 && GetTransaction(spenttxid,spenttx,hashBlock,false) != 0 && spenttx.vout.size() >= 2 ) |
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