DragonX/hush3
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Small fixes

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This commit is contained in:
Mihailo Milenkovic
2018-09-14 22:36:10 +02:00
parent 93cfcaa7ef
commit c2fa2759d6
5 changed files with 80 additions and 70 deletions
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78
src/cc/channels.cpp
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@@ -244,7 +244,7 @@ bool ChannelsValidate(struct CCcontract_info *cp,Eval* eval,const CTransaction &
return eval->Invalid("vout.1 is CC for channelOpen");
else if ( tx.vout[2].scriptPubKey.IsPayToCryptoCondition() == 0 )
return eval->Invalid("vout.2 is CC for channelOpen");
else if ( numpayments > 1000)
else if ( numpayments > CHANNELS_MAXPAYMENTS)
return eval->Invalid("too many payment increments");
else if ( tx.vout[0].nValue != param1 * param2)
return eval->Invalid("tx funds do not match sum of payments");
@@ -287,7 +287,6 @@ int64_t AddChannelsInputs(struct CCcontract_info *cp,CMutableTransaction &mtx, u
GetCCaddress1of2(cp,coinaddr,srcpub,destpub);
SetCCunspents(unspentOutputs,coinaddr);
for (std::vector<std::pair<CAddressUnspentKey, CAddressUnspentValue> >::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)
@@ -301,12 +300,10 @@ int64_t AddChannelsInputs(struct CCcontract_info *cp,CMutableTransaction &mtx, u
}
}
}
if (myIsutxo_spentinmempool(txid,vout) != 0)
{
txid=zeroid;
int32_t mindepth=1000;
BOOST_FOREACH(const CTxMemPoolEntry &e, mempool.mapTx)
{
const CTransaction &txmempool = e.GetTx();
@@ -323,7 +320,6 @@ int64_t AddChannelsInputs(struct CCcontract_info *cp,CMutableTransaction &mtx, u
}
}
}
if (txid != zeroid)
{
mtx.vin.push_back(CTxIn(txid,vout,CScript()));
@@ -344,6 +340,8 @@ std::string ChannelOpen(uint64_t txfee,CPubKey destpub,int32_t numpayments,int64
cp = CCinit(&C,EVAL_CHANNELS);
if ( txfee == 0 )
txfee = 10000;
if (numpayments>CHANNELS_MAXPAYMENTS)
return ("");
mypk = pubkey2pk(Mypubkey());
funds = numpayments * payment;
if ( AddNormalinputs(mtx,mypk,funds+3*txfee,64) > 0 )
@@ -364,38 +362,78 @@ std::string ChannelOpen(uint64_t txfee,CPubKey destpub,int32_t numpayments,int64
return("");
}
std::string ChannelPayment(uint64_t txfee,uint256 prevtxid,uint256 opentxid,int32_t numpayments)
std::string ChannelPayment(uint64_t txfee,uint256 opentxid,uint256 prevtxid,int64_t amount)
{
CMutableTransaction mtx; CPubKey mypk,srcpub,destpub; uint256 txid,secret,hashblock,entropy,hentropy,param3;
struct CCcontract_info *cp,C; int32_t i,funcid,prevdepth,numvouts,param1;
struct CCcontract_info *cp,C; int32_t i,funcid,prevdepth,numvouts,numpayments,param1;
int64_t param2,payment,change,funds;
uint8_t hash[32],hashdest[32];
CTransaction channelOpenTx,prevTx;
if (GetTransaction(prevtxid,prevTx,hashblock,false) != 0)
if (opentxid==prevtxid)
{
if ((numvouts=prevTx.vout.size()) > 0 && ((funcid = DecodeChannelsPaymentOpRet(prevTx.vout[numvouts-1].scriptPubKey, txid, txid, srcpub, destpub, param1, param2, param3)) != 0) && (funcid == 'O' || funcid == 'P'))
if (GetTransaction(opentxid,channelOpenTx,hashblock,false) != 0)
{
if (mypk != srcpub || mypk != destpub)
if ((numvouts=prevTx.vout.size()) > 0 && ((funcid = DecodeChannelsOpRet(prevTx.vout[numvouts-1].scriptPubKey, txid, srcpub, destpub, param1, param2, param3)) != 0) && funcid == 'O')
{
if (mypk == srcpub || mypk == destpub)
{
prevdepth=param1;
payment=param2;
}
else
{
fprintf(stderr,"this is not our channel\n");
return("");
}
}
else
{
fprintf(stderr,"invalid previous txid\n");
return("");
}
if (amount % payment != 0)
return ("");
numpayments=amount/payment;
hentropy = DiceHashEntropy(entropy, channelOpenTx.vin[0].prevout.hash);
endiancpy(hash, (uint8_t * ) & hentropy, 32);
for (i = 0; i < numpayments; i++)
{
vcalc_sha256(0, hashdest, hash, 32);
memcpy(hash, hashdest, 32);
}
endiancpy((uint8_t * ) & secret, hashdest, 32);
}
}
else if (GetTransaction(prevtxid,prevTx,hashblock,false) != 0)
{
if ((numvouts=prevTx.vout.size()) > 0 && ((funcid = DecodeChannelsPaymentOpRet(prevTx.vout[numvouts-1].scriptPubKey, txid, txid, srcpub, destpub, param1, param2, param3)) != 0) && funcid == 'P')
{
if (mypk == srcpub || mypk == destpub)
{
prevdepth=param1;
payment=param2;
}
else
{
fprintf(stderr,"this is not our channel\n");
return("");
}
prevdepth=param1;
payment=param2;
}
else
{
fprintf(stderr,"invalid previous txid\n");
return("");
}
if ((numpayments=amount % payment) != 0)
return ("");
numpayments=amount/payment;
if (GetTransaction(opentxid,channelOpenTx,hashblock,false) != 0)
{
hentropy = DiceHashEntropy(entropy, channelOpenTx.vin[0].prevout.hash);
endiancpy(hash, (uint8_t * ) & hentropy, 32);
for (i = 0; i < prevdepth-numpayments; i++)
for (i = 0; i < numpayments; i++)
{
vcalc_sha256(0, hashdest, hash, 32);
memcpy(hash, hashdest, 32);
@@ -416,8 +454,8 @@ std::string ChannelPayment(uint64_t txfee,uint256 prevtxid,uint256 opentxid,int3
mypk = pubkey2pk(Mypubkey());
if ( AddNormalinputs(mtx,mypk,2*txfee,1) > 0 )
{
if ((funds=AddChannelsInputs(cp,mtx,prevtxid)) != 0 && (change=funds-numpayments*payment)>=0) {
mtx.vout.push_back(CTxOut(numpayments * payment, CScript() << ParseHex(HexStr(destpub)) << OP_CHECKSIG));
if ((funds=AddChannelsInputs(cp,mtx,prevtxid)) != 0 && (change=funds-amount)>=0) {
mtx.vout.push_back(CTxOut(amount, CScript() << ParseHex(HexStr(destpub)) << OP_CHECKSIG));
mtx.vout.push_back(MakeCC1vout(EVAL_CHANNELS, txfee, mypk));
mtx.vout.push_back(MakeCC1of2vout(EVAL_CHANNELS, change, mypk, destpub));
return (FinalizeCCTx(0, cp, mtx, mypk, txfee, EncodeChannelsPaymentOpRet('P', opentxid, prevtxid, mypk, destpub, prevdepth - numpayments, payment, secret)));
@@ -426,7 +464,7 @@ std::string ChannelPayment(uint64_t txfee,uint256 prevtxid,uint256 opentxid,int3
return("");
}
std::string ChannelClose(uint64_t txfee,uint256 prevtxid,uint256 opentxid,CPubKey destpub)
std::string ChannelClose(uint64_t txfee,uint256 opentxid)
{
CMutableTransaction mtx; CPubKey mypk; struct CCcontract_info *cp,C;
// verify this is one of our outbound channels
@@ -437,12 +475,12 @@ std::string ChannelClose(uint64_t txfee,uint256 prevtxid,uint256 opentxid,CPubKe
if ( AddNormalinputs(mtx,mypk,2*txfee,1) > 0 )
{
mtx.vout.push_back(MakeCC1vout(EVAL_CHANNELS,txfee,mypk));
return(FinalizeCCTx(0,cp,mtx,mypk,txfee,EncodeChannelsOpRet('S',opentxid,mypk,destpub,0,0,zeroid)));
return(FinalizeCCTx(0,cp,mtx,mypk,txfee,EncodeChannelsOpRet('S',opentxid,mypk,mypk,0,0,zeroid)));
}
return("");
}
std::string ChannelRefund(uint64_t txfee,uint256 closetxid,uint256 opentxid)
std::string ChannelRefund(uint64_t txfee,uint256 opentxid,uint256 closetxid)
{
CMutableTransaction mtx; CPubKey mypk; struct CCcontract_info *cp,C; int64_t amount;
// verify stoptxid and origtxid match and are mine