diff --git a/src/cc/CCchannels.h b/src/cc/CCchannels.h index 7715a31b8..34c1edd7d 100644 --- a/src/cc/CCchannels.h +++ b/src/cc/CCchannels.h @@ -25,7 +25,7 @@ std::string ChannelOpen(uint64_t txfee,CPubKey destpub,int32_t numpayments,int64 std::string ChannelPayment(uint64_t txfee,uint256 opentxid,int64_t amount, uint256 secret); std::string ChannelClose(uint64_t txfee,uint256 opentxid); std::string ChannelRefund(uint64_t txfee,uint256 opentxid,uint256 closetxid); - +UniValue ChannelsList(); // CCcustom UniValue ChannelsInfo(uint256 opentxid); diff --git a/src/cc/channels.cpp b/src/cc/channels.cpp index 60f907c27..6c8b602c6 100644 --- a/src/cc/channels.cpp +++ b/src/cc/channels.cpp @@ -75,11 +75,11 @@ int64_t IsChannelsvout(struct CCcontract_info *cp,const CTransaction& tx,CPubKey return(0); } -int64_t IsChannelsMarkervout(struct CCcontract_info *cp,const CTransaction& tx,CPubKey srcpub,int32_t v) +int64_t IsChannelsMarkervout(struct CCcontract_info *cp,const CTransaction& tx,CPubKey pubkey,int32_t v) { char destaddr[65],ccaddr[65]; - GetCCaddress(cp,ccaddr,srcpub); + GetCCaddress(cp,ccaddr,pubkey); if ( tx.vout[v].scriptPubKey.IsPayToCryptoCondition() != 0 ) { if ( Getscriptaddress(destaddr,tx.vout[v].scriptPubKey) > 0 && strcmp(destaddr,ccaddr) == 0 ) @@ -207,11 +207,11 @@ bool ChannelsValidate(struct CCcontract_info *cp,Eval* eval,const CTransaction & return eval->Invalid("vin.1 is CC for channelPayment!"); else if ( IsCCInput(tx.vin[2].scriptSig) == 0 ) return eval->Invalid("vin.2 is CC for channelPayment!"); - else if ( tx.vout[0].scriptPubKey.IsPayToCryptoCondition() == 0 ) + else if ( IsChannelsvout(cp,tx,srcpub,destpub,0)==0 ) return eval->Invalid("vout.0 is CC for channelPayment!"); - else if ( tx.vout[1].scriptPubKey.IsPayToCryptoCondition() == 0 ) + else if ( IsChannelsMarkervout(cp,tx,srcpub,1)==0 ) return eval->Invalid("vout.1 is CC for channelPayment (marker to srcPub)!"); - else if ( tx.vout[2].scriptPubKey.IsPayToCryptoCondition() == 0 ) + else if ( IsChannelsMarkervout(cp,tx,destpub,2)==0 ) return eval->Invalid("vout.2 is CC for channelPayment (marker to dstPub)!"); else if ( tx.vout[3].scriptPubKey.IsPayToCryptoCondition() != 0 ) return eval->Invalid("vout.3 is normal for channelPayment!"); @@ -269,11 +269,11 @@ bool ChannelsValidate(struct CCcontract_info *cp,Eval* eval,const CTransaction & return eval->Invalid("vin.1 is CC for channelClose!"); else if ( IsCCInput(tx.vin[2].scriptSig) == 0 ) return eval->Invalid("vin.2 is CC for channelClose!"); - else if ( tx.vout[0].scriptPubKey.IsPayToCryptoCondition() == 0 ) + else if ( IsChannelsvout(cp,tx,srcpub,destpub,0)==0 ) return eval->Invalid("vout.0 is CC for channelClose!"); - else if ( tx.vout[1].scriptPubKey.IsPayToCryptoCondition() == 0 ) + else if ( IsChannelsMarkervout(cp,tx,srcpub,1)==0 ) return eval->Invalid("vout.1 is CC for channelClose (marker to srcPub)!"); - else if ( tx.vout[2].scriptPubKey.IsPayToCryptoCondition() == 0 ) + else if ( IsChannelsMarkervout(cp,tx,destpub,2)==0 ) return eval->Invalid("vout.2 is CC for channelClose (marker to dstPub)!"); else if ( param1 > CHANNELS_MAXPAYMENTS) return eval->Invalid("too many payment increments!"); @@ -314,9 +314,9 @@ bool ChannelsValidate(struct CCcontract_info *cp,Eval* eval,const CTransaction & return eval->Invalid("vin.1 is CC for channelRefund!"); else if ( IsCCInput(tx.vin[2].scriptSig) == 0 ) return eval->Invalid("vin.2 is CC for channelRefund!"); - else if ( tx.vout[0].scriptPubKey.IsPayToCryptoCondition() == 0 ) + else if ( IsChannelsMarkervout(cp,tx,srcpub,0)==0 ) return eval->Invalid("vout.0 is CC for channelRefund (marker to srcPub)!"); - else if ( tx.vout[1].scriptPubKey.IsPayToCryptoCondition() == 0 ) + else if ( IsChannelsMarkervout(cp,tx,destpub,1)==0 ) return eval->Invalid("vout.1 is CC for channelRefund (marker to dstPub)!"); else if ( tx.vout[2].scriptPubKey.IsPayToCryptoCondition() != 0 ) return eval->Invalid("vout.2 is normal for channelRefund!"); @@ -366,12 +366,12 @@ bool ChannelsValidate(struct CCcontract_info *cp,Eval* eval,const CTransaction & // helper functions for rpc calls in rpcwallet.cpp -int64_t AddChannelsInputs(struct CCcontract_info *cp,CMutableTransaction &mtx, CTransaction openTx, uint256 &prevtxid) +int64_t AddChannelsInputs(struct CCcontract_info *cp,CMutableTransaction &mtx, CTransaction openTx, uint256 &prevtxid, CPubKey mypk) { - char coinaddr[65]; int64_t param2,totalinputs = 0,numvouts; uint256 txid=zeroid,tmp_txid,hashBlock,param3; CTransaction tx; int32_t param1; + char coinaddr[65]; int64_t param2,totalinputs = 0,numvouts; uint256 txid=zeroid,tmp_txid,hashBlock,param3; CTransaction tx; int32_t marker,param1; std::vector > unspentOutputs; CPubKey srcpub,destpub; - uint8_t myprivkey[32]; + uint8_t myprivkey[32]; if ((numvouts=openTx.vout.size()) > 0 && DecodeChannelsOpRet(openTx.vout[numvouts-1].scriptPubKey,tmp_txid,srcpub,destpub,param1,param2,param3)=='O') { @@ -383,14 +383,15 @@ int64_t AddChannelsInputs(struct CCcontract_info *cp,CMutableTransaction &mtx, C fprintf(stderr,"invalid channel open txid\n"); return 0; } - + if (srcpub==mypk) marker=1; + else marker=2; for (std::vector >::const_iterator it=unspentOutputs.begin(); it!=unspentOutputs.end(); it++) { if ( (int32_t)it->first.index==0 && GetTransaction(it->first.txhash,tx,hashBlock,false) != 0 && (numvouts=tx.vout.size()) > 0) { if (DecodeChannelsOpRet(tx.vout[numvouts-1].scriptPubKey,tmp_txid,srcpub,destpub,param1,param2,param3)!=0 && (tmp_txid==openTx.GetHash() || tx.GetHash()==openTx.GetHash()) && - (totalinputs=IsChannelsvout(cp,tx,srcpub,destpub,0)+IsChannelsMarkervout(cp,tx,srcpub,1))>0) + (totalinputs=IsChannelsvout(cp,tx,srcpub,destpub,0)+IsChannelsMarkervout(cp,tx,srcpub,marker))>0) { txid = it->first.txhash; break; @@ -419,7 +420,7 @@ int64_t AddChannelsInputs(struct CCcontract_info *cp,CMutableTransaction &mtx, C { prevtxid=txid; mtx.vin.push_back(CTxIn(txid,0,CScript())); - mtx.vin.push_back(CTxIn(txid,1,CScript())); + mtx.vin.push_back(CTxIn(txid,marker,CScript())); Myprivkey(myprivkey); CCaddr2set(cp,EVAL_CHANNELS,srcpub,myprivkey,coinaddr); CCaddr3set(cp,EVAL_CHANNELS,destpub,myprivkey,coinaddr); @@ -483,7 +484,7 @@ std::string ChannelPayment(uint64_t txfee,uint256 opentxid,int64_t amount, uint2 } if (AddNormalinputs(mtx,mypk,2*txfee,3) > 0) { - if ((funds=AddChannelsInputs(cp,mtx,channelOpenTx,prevtxid)) !=0 && (change=funds-amount-txfee)>=0) + if ((funds=AddChannelsInputs(cp,mtx,channelOpenTx,prevtxid,mypk)) !=0 && (change=funds-amount-txfee)>=0) { if ((numvouts=channelOpenTx.vout.size()) > 0 && DecodeChannelsOpRet(channelOpenTx.vout[numvouts-1].scriptPubKey, txid, srcpub, destpub, totalnumpayments, payment, hashchain)=='O') { @@ -553,11 +554,11 @@ std::string ChannelPayment(uint64_t txfee,uint256 opentxid,int64_t amount, uint2 fprintf(stderr, "invalid channel open tx\n"); return (""); } - mtx.vout.push_back(MakeCC1of2vout(EVAL_CHANNELS, change, mypk, destpub)); - mtx.vout.push_back(MakeCC1vout(EVAL_CHANNELS,txfee,mypk)); + mtx.vout.push_back(MakeCC1of2vout(EVAL_CHANNELS, change, srcpub, destpub)); + mtx.vout.push_back(MakeCC1vout(EVAL_CHANNELS,txfee,srcpub)); mtx.vout.push_back(MakeCC1vout(EVAL_CHANNELS,txfee,destpub)); mtx.vout.push_back(CTxOut(amount, CScript() << ParseHex(HexStr(destpub)) << OP_CHECKSIG)); - return (FinalizeCCTx(0, cp, mtx, mypk, txfee, EncodeChannelsOpRet('P', opentxid, mypk, destpub, prevdepth-numpayments, numpayments, secret))); + return (FinalizeCCTx(0, cp, mtx, mypk, txfee, EncodeChannelsOpRet('P', opentxid, srcpub, destpub, prevdepth-numpayments, numpayments, secret))); } else { @@ -600,12 +601,12 @@ std::string ChannelClose(uint64_t txfee,uint256 opentxid) } if ( AddNormalinputs(mtx,mypk,2*txfee,3) > 0 ) { - if ((funds=AddChannelsInputs(cp,mtx,channelOpenTx,prevtxid)) !=0 && funds-txfee>0) + if ((funds=AddChannelsInputs(cp,mtx,channelOpenTx,prevtxid,mypk)) !=0 && funds-txfee>0) { mtx.vout.push_back(MakeCC1of2vout(EVAL_CHANNELS, funds-txfee, mypk, destpub)); mtx.vout.push_back(MakeCC1vout(EVAL_CHANNELS,txfee,mypk)); mtx.vout.push_back(MakeCC1vout(EVAL_CHANNELS,txfee,destpub)); - return(FinalizeCCTx(0,cp,mtx,mypk,txfee,EncodeChannelsOpRet('C',opentxid,mypk,destpub,funds/payment,payment,zeroid))); + return(FinalizeCCTx(0,cp,mtx,mypk,txfee,EncodeChannelsOpRet('C',opentxid,mypk,destpub,(funds-txfee)/payment,payment,zeroid))); } else { @@ -664,7 +665,7 @@ std::string ChannelRefund(uint64_t txfee,uint256 opentxid,uint256 closetxid) } if ( AddNormalinputs(mtx,mypk,2*txfee,3) > 0 ) { - if ((funds=AddChannelsInputs(cp,mtx,channelOpenTx,prevtxid)) !=0 && funds-txfee>0) + if ((funds=AddChannelsInputs(cp,mtx,channelOpenTx,prevtxid,mypk)) !=0 && funds-txfee>0) { if ((GetTransaction(prevtxid,prevTx,hashblock,false) != 0) && (numvouts=prevTx.vout.size()) > 0 && DecodeChannelsOpRet(prevTx.vout[numvouts-1].scriptPubKey, txid, srcpub, destpub, param1, param2, param3) != 0) @@ -696,84 +697,117 @@ std::string ChannelRefund(uint64_t txfee,uint256 opentxid,uint256 closetxid) } return(""); } - -UniValue ChannelsInfo(uint256 channeltxid) +UniValue ChannelsList() { - UniValue result(UniValue::VOBJ); CTransaction tx,opentx; uint256 txid,tmp_txid,hashBlock,param3,opentxid,hashchain,prevtxid; - struct CCcontract_info *cp,C; char myCCaddr[65],addr[65],str1[512],str2[256]; int32_t vout,numvouts,param1,numpayments; - int64_t nValue,param2,payment; CPubKey srcpub,destpub,mypk; - std::vector > txids; + UniValue result(UniValue::VOBJ); std::vector > txids; struct CCcontract_info *cp,C; uint256 txid,hashBlock,tmp_txid,param3; + CTransaction tx; char myCCaddr[65],addr[65],str[256]; CPubKey mypk,srcpub,destpub; int32_t vout,numvouts,param1; + int64_t nValue,param2; - result.push_back(Pair("result","success")); cp = CCinit(&C,EVAL_CHANNELS); mypk = pubkey2pk(Mypubkey()); - if (channeltxid==zeroid) + GetCCaddress(cp,myCCaddr,mypk); + SetCCtxids(txids,myCCaddr); + result.push_back(Pair("result","success")); + result.push_back(Pair("name","Channels List")); + for (std::vector >::const_iterator it=txids.begin(); it!=txids.end(); it++) { - result.push_back(Pair("name","Channels Info")); - GetCCaddress(cp,myCCaddr,mypk); - SetCCtxids(txids,myCCaddr); - for (std::vector >::const_iterator it=txids.begin(); it!=txids.end(); it++) + txid = it->first.txhash; + vout = (int32_t)it->first.index; + nValue = (int64_t)it->second; + if ( (vout == 1 || vout == 2) && nValue == 10000 && GetTransaction(txid,tx,hashBlock,false) != 0 && (numvouts= tx.vout.size()) > 0 ) { - //int height = it->first.blockHeight; - txid = it->first.txhash; - vout = (int32_t)it->first.index; - nValue = (int64_t)it->second; - if ( (vout == 1 || vout == 2) && nValue == 10000 && GetTransaction(txid,tx,hashBlock,false) != 0 && (numvouts= tx.vout.size()) > 0 ) - { - if (DecodeChannelsOpRet(tx.vout[numvouts-1].scriptPubKey,tmp_txid,srcpub,destpub,param1,param2,param3) == 'O') - { - GetCCaddress1of2(cp,addr,srcpub,destpub); - sprintf(str1,"%s - %lld payments of %lld satoshi - %s",addr,(long long)param1,(long long)param2,tx.GetHash().ToString().c_str()); - result.push_back(Pair("Channel", str1)); - } - } - } - } - else - { - if (GetTransaction(channeltxid,tx,hashBlock,false) != 0 && (numvouts= tx.vout.size()) > 0 && - (DecodeChannelsOpRet(tx.vout[numvouts-1].scriptPubKey,opentxid,srcpub,destpub,param1,param2,param3) == 'O')) - { - GetCCaddress1of2(cp,addr,srcpub,destpub); - sprintf(str1,"Channel %s",addr); - result.push_back(Pair("name",str1)); - SetCCtxids(txids,addr); - prevtxid=zeroid; - for (std::vector >::const_iterator it=txids.begin(); it!=txids.end(); it++) - { - - txid = it->first.txhash; - if (txid!=prevtxid && GetTransaction(txid,tx,hashBlock,false) != 0 && (numvouts= tx.vout.size()) > 0 ) - { - if (DecodeChannelsOpRet(tx.vout[numvouts-1].scriptPubKey,tmp_txid,srcpub,destpub,param1,param2,param3) == 'O' && tx.GetHash()==channeltxid) - { - sprintf(str1,"%lld payments of %lld satoshi",(long long)param1,(long long)param2); - result.push_back(Pair("Open", str1)); - } - else if (DecodeChannelsOpRet(tx.vout[numvouts-1].scriptPubKey,opentxid,srcpub,destpub,param1,param2,param3) == 'P' && opentxid==channeltxid) - { - if (GetTransaction(opentxid,opentx,hashBlock,false) != 0 && (numvouts=opentx.vout.size()) > 0 && - DecodeChannelsOpRet(opentx.vout[numvouts-1].scriptPubKey,tmp_txid,srcpub,destpub,numpayments,payment,hashchain) == 'O') - { - Getscriptaddress(str2,tx.vout[3].scriptPubKey); - sprintf(str1,"%lld satoshi to %s, %lld payments left",(long long)(param2*payment),str2,(long long)param1); - result.push_back(Pair("Payment",str1)); - } - } - else if (DecodeChannelsOpRet(tx.vout[numvouts-1].scriptPubKey,opentxid,srcpub,destpub,param1,param2,param3) == 'C' && opentxid==channeltxid) - { - result.push_back(Pair("Close","channel")); - } - else if (DecodeChannelsOpRet(tx.vout[numvouts-1].scriptPubKey,opentxid,srcpub,destpub,param1,param2,param3) == 'R' && opentxid==channeltxid) - { - Getscriptaddress(str2,tx.vout[2].scriptPubKey); - sprintf(str1,"%lld satoshi back to %s",(long long)(param1*param2),str2); - result.push_back(Pair("Refund",str1)); - } - } - prevtxid=txid; + if (DecodeChannelsOpRet(tx.vout[numvouts-1].scriptPubKey,tmp_txid,srcpub,destpub,param1,param2,param3) == 'O') + { + GetCCaddress1of2(cp,addr,srcpub,destpub); + sprintf(str,"%s - %lld payments of %lld satoshi",addr,(long long)param1,(long long)param2); + result.push_back(Pair(txid.GetHex().data(),str)); } } } return(result); } + +UniValue ChannelsInfo(uint256 channeltxid) +{ + UniValue result(UniValue::VOBJ),array(UniValue::VARR); CTransaction tx,opentx; uint256 txid,tmp_txid,hashBlock,param3,opentxid,hashchain,prevtxid; + struct CCcontract_info *cp,C; char CCaddr[65],addr[65],str[512]; int32_t vout,numvouts,param1,numpayments; + int64_t nValue,param2,payment; CPubKey srcpub,destpub,mypk; + std::vector > addressIndex; std::vector txids; + + cp = CCinit(&C,EVAL_CHANNELS); + mypk = pubkey2pk(Mypubkey()); + + if (GetTransaction(channeltxid,tx,hashBlock,false) != 0 && (numvouts= tx.vout.size()) > 0 && + (DecodeChannelsOpRet(tx.vout[numvouts-1].scriptPubKey,opentxid,srcpub,destpub,param1,param2,param3) == 'O')) + { + GetCCaddress(cp,CCaddr,mypk); + Getscriptaddress(addr,CScript() << ParseHex(HexStr(destpub)) << OP_CHECKSIG); + result.push_back(Pair("result","success")); + result.push_back(Pair("Channel CC address",CCaddr)); + result.push_back(Pair("Destination address",addr)); + result.push_back(Pair("Number of payments",param1)); + result.push_back(Pair("Denomination",param2)); + result.push_back(Pair("Amount",i64tostr(param1*param2)+" satoshi")); + SetCCtxids(addressIndex,CCaddr); + for (std::vector >::const_iterator it=addressIndex.begin(); it!=addressIndex.end(); it++) + { + if (GetTransaction(it->first.txhash,tx,hashBlock,false) != 0 && (numvouts= tx.vout.size()) > 0 ) + if (DecodeChannelsOpRet(tx.vout[numvouts-1].scriptPubKey,tmp_txid,srcpub,destpub,param1,param2,param3)!=0 && (tmp_txid==channeltxid || tx.GetHash()==channeltxid)) + txids.push_back(it->first.txhash); + } + BOOST_FOREACH(const CTxMemPoolEntry &e, mempool.mapTx) + { + const CTransaction &txmempool = e.GetTx(); + const uint256 &hash = txmempool.GetHash(); + + if ((numvouts=txmempool.vout.size()) > 0 && DecodeChannelsOpRet(txmempool.vout[numvouts-1].scriptPubKey,tmp_txid,srcpub,destpub,param1,param2,param3) == 'P' && tmp_txid==channeltxid) + txids.push_back(hash); + } + prevtxid=zeroid; + for (std::vector::const_iterator it=txids.begin(); it!=txids.end(); it++) + { + txid=*it; + if (txid!=prevtxid && GetTransaction(txid,tx,hashBlock,false) != 0 && (numvouts= tx.vout.size()) > 0 ) + { + UniValue obj(UniValue::VOBJ); + if (DecodeChannelsOpRet(tx.vout[numvouts-1].scriptPubKey,tmp_txid,srcpub,destpub,param1,param2,param3) == 'O' && tx.GetHash()==channeltxid) + { + obj.push_back(Pair("Open",txid.GetHex().data())); + } + else if (DecodeChannelsOpRet(tx.vout[numvouts-1].scriptPubKey,opentxid,srcpub,destpub,param1,param2,param3) == 'P' && opentxid==channeltxid) + { + if (GetTransaction(opentxid,opentx,hashBlock,false) != 0 && (numvouts=opentx.vout.size()) > 0 && + DecodeChannelsOpRet(opentx.vout[numvouts-1].scriptPubKey,tmp_txid,srcpub,destpub,numpayments,payment,hashchain) == 'O') + { + Getscriptaddress(str,tx.vout[3].scriptPubKey); + obj.push_back(Pair("Payment",txid.GetHex().data())); + obj.push_back(Pair("Number",param2)); + obj.push_back(Pair("Amount",param2*payment)); + obj.push_back(Pair("Destination",str)); + obj.push_back(Pair("Secret",param3.ToString().c_str())); + } + } + else if (DecodeChannelsOpRet(tx.vout[numvouts-1].scriptPubKey,opentxid,srcpub,destpub,param1,param2,param3) == 'C' && opentxid==channeltxid) + { + obj.push_back(Pair("Close",txid.GetHex().data())); + } + else if (DecodeChannelsOpRet(tx.vout[numvouts-1].scriptPubKey,opentxid,srcpub,destpub,param1,param2,param3) == 'R' && opentxid==channeltxid) + { + Getscriptaddress(str,tx.vout[2].scriptPubKey); + obj.push_back(Pair("Refund",txid.GetHex().data())); + obj.push_back(Pair("Amount",param1*param2)); + obj.push_back(Pair("Destination",str)); + } + array.push_back(obj); + } + prevtxid=txid; + } + result.push_back(Pair("Transactions",array)); + } + else + { + result.push_back(Pair("result","error")); + result.push_back(Pair("Error","Channel not found!")); + } + return(result); +} \ No newline at end of file diff --git a/src/rpc/server.cpp b/src/rpc/server.cpp index 1b6856be5..8dd32ab6a 100644 --- a/src/rpc/server.cpp +++ b/src/rpc/server.cpp @@ -394,6 +394,7 @@ static const CRPCCommand vRPCCommands[] = // Channels { "channels", "channelsaddress", &channelsaddress, true }, + { "channels", "channelslist", &channelslist, true }, { "channels", "channelsinfo", &channelsinfo, true }, { "channels", "channelsopen", &channelsopen, true }, { "channels", "channelspayment", &channelspayment, true }, diff --git a/src/rpc/server.h b/src/rpc/server.h index 6638024b8..a129c21c0 100644 --- a/src/rpc/server.h +++ b/src/rpc/server.h @@ -271,6 +271,7 @@ extern UniValue gatewaysmarkdone(const UniValue& params, bool fHelp); extern UniValue gatewayspending(const UniValue& params, bool fHelp); extern UniValue gatewaysprocessed(const UniValue& params, bool fHelp); extern UniValue gatewaysmultisig(const UniValue& params, bool fHelp); +extern UniValue channelslist(const UniValue& params, bool fHelp); extern UniValue channelsinfo(const UniValue& params, bool fHelp); extern UniValue channelsopen(const UniValue& params, bool fHelp); extern UniValue channelspayment(const UniValue& params, bool fHelp); diff --git a/src/wallet/rpcwallet.cpp b/src/wallet/rpcwallet.cpp index f8b507403..9391261d7 100644 --- a/src/wallet/rpcwallet.cpp +++ b/src/wallet/rpcwallet.cpp @@ -5672,6 +5672,15 @@ UniValue tokenaddress(const UniValue& params, bool fHelp) return(CCaddress(cp,(char *)"Assets",pubkey)); } +UniValue channelslist(const UniValue& params, bool fHelp) +{ + if ( fHelp || params.size() > 0 ) + throw runtime_error("channelsinfo\n"); + if ( ensure_CCrequirements() < 0 ) + throw runtime_error("to use CC contracts, you need to launch daemon with valid -pubkey= for an address in your wallet\n"); + return(ChannelsList()); +} + UniValue channelsinfo(const UniValue& params, bool fHelp) { uint256 opentxid;