DragonX/dragonx
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases 2 Wiki Activity

non-fungible tokens support (three-eval token vouts) added in CCtokens (additional opret data)

Browse Source 
non-fungible tokens support added in assets
logging changed in CCtokens.cpp for bitcon LogPrintStr with -debug=<category> support
This commit is contained in:
dimxy
2019-02-07 11:34:26 +05:00
parent 1971525c5f
commit 14f1da959c
13 changed files with 851 additions and 528 deletions
Download Patch File Download Diff File Expand all files Collapse all files

97
src/cc/assets.cpp
View File

@@ -14,6 +14,7 @@
******************************************************************************/
#include "CCassets.h"
#include "CCtokens.h"
/*
Assets can be created or transferred.
@@ -129,21 +130,21 @@
bool AssetsValidate(struct CCcontract_info *cpAssets,Eval* eval,const CTransaction &tx, uint32_t nIn)
{
static uint256 zero;
CTxDestination address; CTransaction vinTx,createTx; uint256 hashBlock,assetid,assetid2;
int32_t i,starti,numvins,numvouts,preventCCvins,preventCCvouts;
int64_t remaining_price,nValue,assetoshis,outputs,inputs,tmpprice,totalunits,ignore; std::vector<uint8_t> origpubkey,tmporigpubkey,ignorepubkey;
CTxDestination address;
CTransaction vinTx, createTx;
uint256 hashBlock, assetid, assetid2;
int32_t i,starti, numvins, numvouts, preventCCvins, preventCCvouts;
int64_t remaining_price, nValue, assetoshis, outputsDummy,inputs,tmpprice,totalunits,ignore;
std::vector<uint8_t> origpubkey, tmporigpubkey, ignorepubkey, vopretNonfungible, vopretNonfungibleDummy;
uint8_t funcid, evalCodeInOpret;
char destaddr[64], origaddr[64], assetsCCaddr[64], userTokensCCaddr[64]; //, signleEvalTokensCCaddr[64];
char destaddr[64], origNormalAddr[64], origTokensCCaddr[64], origCCaddrDummy[64];
char tokensDualEvalUnspendableCCaddr[64], origAssetsCCaddr[64];
//return true;
//CPubKey unspendableTokensPk = GetUnspendable(cpTokens, NULL);
//CPubKey unspendableAssetsPk = GetUnspendable(cpAssets, NULL);
//GetCCaddress(cpTokens, tokensUnspendableCCaddr, unspendableTokensPk);
numvins = tx.vin.size();
numvouts = tx.vout.size();
outputs = inputs = 0;
outputsDummy = inputs = 0;
preventCCvins = preventCCvouts = -1;
// add specific chains exceptions for old token support:
@@ -156,13 +157,18 @@ bool AssetsValidate(struct CCcontract_info *cpAssets,Eval* eval,const CTransacti
if (numvouts == 0)
return eval->Invalid("AssetValidate: no vouts");
if((funcid = DecodeAssetTokenOpRet(tx.vout[numvouts-1].scriptPubKey, evalCodeInOpret, assetid, assetid2, remaining_price, origpubkey)) == 0 )
if((funcid = DecodeAssetTokenOpRet(tx.vout[numvouts-1].scriptPubKey, evalCodeInOpret, assetid, assetid2, remaining_price, origpubkey, vopretNonfungibleDummy)) == 0 )
return eval->Invalid("AssetValidate: invalid opreturn payload");
// non-fungible tokens support:
GetNonfungibleData(assetid, vopretNonfungible);
if (vopretNonfungible.size() > 0)
cpAssets->additionalTokensEvalcode2 = vopretNonfungible.begin()[0];
// find dual-eval tokens unspendable addr:
char tokensUnspendableAddr[64],origpubkeyCCaddr[64];
GetTokensCCaddress(cpAssets, tokensUnspendableAddr, GetUnspendable(cpAssets, NULL));
GetCCaddress(cpAssets, origpubkeyCCaddr, origpubkey);
GetTokensCCaddress(cpAssets, tokensDualEvalUnspendableCCaddr, GetUnspendable(cpAssets, NULL));
// this is for marker validation:
GetCCaddress(cpAssets, origAssetsCCaddr, origpubkey);
// we need this for validating single-eval tokens' vins/vous:
struct CCcontract_info *cpTokens, tokensC;
@@ -177,7 +183,7 @@ bool AssetsValidate(struct CCcontract_info *cpAssets,Eval* eval,const CTransacti
return eval->Invalid("cant find asset create txid");
else if( funcid != 'o' && funcid != 'x' && assetid2 != zero && eval->GetTxUnconfirmed(assetid2, createTx, hashBlock) == 0 )
return eval->Invalid("cant find asset2 create txid");
else if( IsCCInput(tx.vin[0].scriptSig) != 0 )
else if( IsCCInput(tx.vin[0].scriptSig) != 0 ) // vin0 should be normal vin
return eval->Invalid("illegal asset vin0");
else if( numvouts < 2 )
return eval->Invalid("too few vouts"); // it was if(numvouts < 1) but it refers at least to vout[1] below
@@ -191,7 +197,7 @@ bool AssetsValidate(struct CCcontract_info *cpAssets,Eval* eval,const CTransacti
if( assetid == zero )
return eval->Invalid("illegal assetid");
else if (!AssetCalcAmounts(cpAssets, inputs, outputs, eval, tx, assetid)) { // Only set inputs and outputs. NOTE: we do not need to check cc inputs == cc outputs
else if (!AssetCalcAmounts(cpAssets, inputs, outputsDummy/*outputsDummy is calculated incorrectly but not used*/, eval, tx, assetid)) { // Only set inputs and outputs. NOTE: we do not need to check cc inputs == cc outputs
return false; // returns false if some problems with reading vintxes
}
}
@@ -226,9 +232,13 @@ bool AssetsValidate(struct CCcontract_info *cpAssets,Eval* eval,const CTransacti
//vout.1: CC output for marker
//vout.2: normal output for change (if any)
// vout.n-1: opreturn [EVAL_ASSETS] ['b'] [assetid] [amount of asset required] [origpubkey]
// as we don't use tokenconvert we should not be here:
return eval->Invalid("invalid asset funcid (b)");
if( remaining_price == 0 )
return eval->Invalid("illegal null amount for buyoffer");
else if( ConstrainVout(tx.vout[0],1,cpAssets->unspendableCCaddr,0) == 0 )
else if( ConstrainVout(tx.vout[0], 1, cpAssets->unspendableCCaddr,0) == 0 ) // coins to assets unspendable cc addr
return eval->Invalid("invalid vout for buyoffer");
preventCCvins = 1;
preventCCvouts = 1;
@@ -243,13 +253,13 @@ bool AssetsValidate(struct CCcontract_info *cpAssets,Eval* eval,const CTransacti
//vout.1: vin.2 back to users pubkey
//vout.2: normal output for change (if any)
//vout.n-1: opreturn [EVAL_ASSETS] ['o']
if( (nValue= AssetValidateBuyvin(cpAssets, eval, tmpprice, tmporigpubkey, assetsCCaddr, origaddr, tx, assetid)) == 0 )
if( (nValue= AssetValidateBuyvin(cpAssets, eval, tmpprice, tmporigpubkey, origCCaddrDummy, origNormalAddr, tx, assetid)) == 0 )
return(false);
else if( ConstrainVout(tx.vout[0],0, origaddr, nValue) == 0 )
else if( ConstrainVout(tx.vout[0],0, origNormalAddr, nValue) == 0 )
return eval->Invalid("invalid refund for cancelbuy");
preventCCvins = 3;
preventCCvouts = 0;
fprintf(stderr,"cancelbuy validated to origaddr.(%s)\n",origaddr);
fprintf(stderr,"cancelbuy validated to origaddr.(%s)\n",origNormalAddr);
break;
case 'B': // fillbuy:
@@ -264,7 +274,7 @@ bool AssetsValidate(struct CCcontract_info *cpAssets,Eval* eval,const CTransacti
//vout.n-1: opreturn [EVAL_ASSETS] ['B'] [assetid] [remaining asset required] [origpubkey]
preventCCvouts = 4;
if( (nValue = AssetValidateBuyvin(cpAssets, eval, totalunits, tmporigpubkey, assetsCCaddr, origaddr, tx, assetid)) == 0 )
if( (nValue = AssetValidateBuyvin(cpAssets, eval, totalunits, tmporigpubkey, origTokensCCaddr, origNormalAddr, tx, assetid)) == 0 )
return(false);
else if( numvouts < 4 )
return eval->Invalid("not enough vouts for fillbuy");
@@ -274,24 +284,24 @@ bool AssetsValidate(struct CCcontract_info *cpAssets,Eval* eval,const CTransacti
{
if( nValue != tx.vout[0].nValue + tx.vout[1].nValue )
return eval->Invalid("locked value doesnt match vout0+1 fillbuy");
else if( tx.vout[4].scriptPubKey.IsPayToCryptoCondition() != 0 )
else if( tx.vout[4].scriptPubKey.IsPayToCryptoCondition() != 0 ) // if cc change present
{
if( ConstrainVout(tx.vout[2], 1, assetsCCaddr, 0) == 0 ) // tokens on user cc addr
if( ConstrainVout(tx.vout[2], 1, origTokensCCaddr, 0) == 0 ) // tokens to originator cc addr (tokens+nonfungible evals)
return eval->Invalid("vout2 doesnt go to origpubkey fillbuy");
else if ( inputs != tx.vout[2].nValue + tx.vout[4].nValue )
return eval->Invalid("asset inputs doesnt match vout2+3 fillbuy");
}
else if( ConstrainVout(tx.vout[2], 1, assetsCCaddr, inputs) == 0 ) // tokens on user cc addr
else if( ConstrainVout(tx.vout[2], 1, origTokensCCaddr, inputs) == 0 ) // tokens to originator cc addr (tokens+nonfungible evals)
return eval->Invalid("vout2 doesnt match inputs fillbuy");
else if( ConstrainVout(tx.vout[1],0,0,0) == 0 )
else if( ConstrainVout(tx.vout[1], 0, NULL, 0) == 0 )
return eval->Invalid("vout1 is CC for fillbuy");
else if( ConstrainVout(tx.vout[3], 1, origpubkeyCCaddr, 10000) == 0 )
else if( ConstrainVout(tx.vout[3], 1, origAssetsCCaddr, 10000) == 0 ) // marker to asset cc addr
return eval->Invalid("invalid marker for original pubkey");
else if( ValidateBidRemainder(remaining_price, tx.vout[0].nValue, nValue, tx.vout[1].nValue, tx.vout[2].nValue, totalunits) == false )
return eval->Invalid("mismatched remainder for fillbuy");
else if( remaining_price != 0 )
{
if( ConstrainVout(tx.vout[0], 1, cpAssets->unspendableCCaddr, 0) == 0 ) // coins on asset unspendable cc addr
if( ConstrainVout(tx.vout[0], 1, cpAssets->unspendableCCaddr, 0) == 0 ) // coins to asset unspendable cc addr
return eval->Invalid("mismatched vout0 AssetsCCaddr for fillbuy");
}
}
@@ -308,25 +318,30 @@ bool AssetsValidate(struct CCcontract_info *cpAssets,Eval* eval,const CTransacti
//vout.3: 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]
// as we don't use tokenconvert we should not be here:
return eval->Invalid("invalid asset funcid (s)");
preventCCvouts = 2;
if( remaining_price == 0 )
return eval->Invalid("illegal null remaining_price for selloffer");
if ( tx.vout[1].scriptPubKey.IsPayToCryptoCondition() == 0 )
return eval->Invalid("invalid normal vout1 for sellvin");
if( tx.vout[2].scriptPubKey.IsPayToCryptoCondition() != 0 ) // cc change
if( tx.vout[2].scriptPubKey.IsPayToCryptoCondition() != 0 ) // if cc change presents
{
preventCCvouts++;
if( ConstrainVout(tx.vout[0], 1, (char *)cpTokens->unspendableCCaddr, 0) == 0 ) // check also cc vout[0]
if( ConstrainVout(tx.vout[0], 1, (char *)cpTokens->unspendableCCaddr, 0) == 0 ) // tokens to tokens unspendable cc addr. TODO: this in incorrect, should be assets if we got here!
return eval->Invalid("mismatched vout0 TokensCCaddr for selloffer");
else if( tx.vout[0].nValue + tx.vout[2].nValue != inputs )
return eval->Invalid("mismatched vout0+vout2 total for selloffer");
}
else if( ConstrainVout(tx.vout[0], 1, (char *)cpTokens->unspendableCCaddr, inputs) == 0 ) // no cc change, just vout[0]
// no cc change:
else if( ConstrainVout(tx.vout[0], 1, (char *)cpTokens->unspendableCCaddr, inputs) == 0 ) // tokens to tokens unspendable cc addr TODO: this in incorrect, should be assets if got here!
return eval->Invalid("mismatched vout0 TokensCCaddr for selloffer");
//fprintf(stderr,"remaining.%d for sell\n",(int32_t)remaining_price);
break;
case 'x': // cancel
case 'x': // cancel sell
//vin.0: normal input
//vin.1: unspendable.(vout.0 from exchange or selloffer) sellTx/exchangeTx.vout[0] inputTx
//vin.2: CC marker from selloffer for txfee
@@ -335,9 +350,9 @@ bool AssetsValidate(struct CCcontract_info *cpAssets,Eval* eval,const CTransacti
//vout.2: normal output for change (if any)
//vout.n-1: opreturn [EVAL_ASSETS] ['x'] [assetid]
if( (assetoshis = AssetValidateSellvin(cpAssets, eval, tmpprice, tmporigpubkey, userTokensCCaddr, origaddr, tx, assetid)) == 0 ) // NOTE:
if( (assetoshis = AssetValidateSellvin(cpAssets, eval, tmpprice, tmporigpubkey, origTokensCCaddr, origNormalAddr, tx, assetid)) == 0 ) // NOTE:
return(false);
else if( ConstrainVout(tx.vout[0], 1, userTokensCCaddr, assetoshis) == 0 )
else if( ConstrainVout(tx.vout[0], 1, origTokensCCaddr, assetoshis) == 0 ) // tokens returning to originator cc addr
return eval->Invalid("invalid vout for cancel");
preventCCvins = 3;
preventCCvouts = 1;
@@ -353,7 +368,7 @@ bool AssetsValidate(struct CCcontract_info *cpAssets,Eval* eval,const CTransacti
//vout.3: normal output for change (if any)
//'S'.vout.n-1: opreturn [EVAL_ASSETS] ['S'] [assetid] [amount of coin still required] [origpubkey]
if( (assetoshis = AssetValidateSellvin(cpAssets, eval, totalunits, tmporigpubkey, userTokensCCaddr, origaddr, tx, assetid)) == 0 )
if( (assetoshis = AssetValidateSellvin(cpAssets, eval, totalunits, tmporigpubkey, origTokensCCaddr, origNormalAddr, tx, assetid)) == 0 )
return(false);
else if( numvouts < 4 )
return eval->Invalid("not enough vouts for fillask");
@@ -365,17 +380,15 @@ bool AssetsValidate(struct CCcontract_info *cpAssets,Eval* eval,const CTransacti
return eval->Invalid("locked value doesnt match vout0+1 fillask");
if( ValidateAskRemainder(remaining_price, tx.vout[0].nValue, assetoshis, tx.vout[1].nValue, tx.vout[2].nValue, totalunits) == false )
return eval->Invalid("mismatched remainder for fillask");
else if( ConstrainVout(tx.vout[1], 1, 0, 0) == 0 )
else if( ConstrainVout(tx.vout[1], 1, NULL, 0) == 0 ) // do not check token buyer's cc addr
return eval->Invalid("normal vout1 for fillask");
else if( ConstrainVout(tx.vout[2], 0, origaddr, 0) == 0 )
else if( ConstrainVout(tx.vout[2], 0, origNormalAddr, 0) == 0 ) // coins to originator normal addr
return eval->Invalid("normal vout1 for fillask");
else if( ConstrainVout(tx.vout[3], 1, origpubkeyCCaddr, 10000) == 0 )
else if( ConstrainVout(tx.vout[3], 1, origAssetsCCaddr, 10000) == 0 ) // marker to originator asset cc addr
return eval->Invalid("invalid marker for original pubkey");
else if( remaining_price != 0 )
{
//char tokensUnspendableAddr[64];
//GetTokensCCaddress(cpAssets, tokensUnspendableAddr, GetUnspendable(cpAssets, NULL));
if ( ConstrainVout(tx.vout[0], 1, tokensUnspendableAddr /*(char *)cpAssets->unspendableCCaddr*/, 0) == 0 )
if ( ConstrainVout(tx.vout[0], 1, tokensDualEvalUnspendableCCaddr, 0) == 0 )
return eval->Invalid("mismatched vout0 assets dual unspendable CCaddr for fill sell");
}
}
@@ -399,7 +412,7 @@ bool AssetsValidate(struct CCcontract_info *cpAssets,Eval* eval,const CTransacti
// eval->Invalid("asset2 inputs != outputs");
////////// not implemented yet ////////////
if( (assetoshis= AssetValidateSellvin(cpTokens, eval, totalunits, tmporigpubkey, userTokensCCaddr, origaddr, tx, assetid)) == 0 )
if( (assetoshis= AssetValidateSellvin(cpTokens, eval, totalunits, tmporigpubkey, origTokensCCaddr, origNormalAddr, tx, assetid)) == 0 )
return(false);
else if( numvouts < 3 )
return eval->Invalid("not enough vouts for fillex");
@@ -412,7 +425,7 @@ bool AssetsValidate(struct CCcontract_info *cpAssets,Eval* eval,const CTransacti
else if( tx.vout[3].scriptPubKey.IsPayToCryptoCondition() != 0 )
////////// not implemented yet ////////////
{
if( ConstrainVout(tx.vout[2], 1, userTokensCCaddr, 0) == 0 )
if( ConstrainVout(tx.vout[2], 1, origTokensCCaddr, 0) == 0 )
return eval->Invalid("vout2 doesnt go to origpubkey fillex");
else if( inputs != tx.vout[2].nValue + tx.vout[3].nValue )
{
@@ -421,7 +434,7 @@ bool AssetsValidate(struct CCcontract_info *cpAssets,Eval* eval,const CTransacti
}
}
////////// not implemented yet ////////////
else if( ConstrainVout(tx.vout[2], 1, userTokensCCaddr, inputs) == 0 )
else if( ConstrainVout(tx.vout[2], 1, origTokensCCaddr, inputs) == 0 )
return eval->Invalid("vout2 doesnt match inputs fillex");
else if( ConstrainVout(tx.vout[1], 0, 0, 0) == 0 )
return eval->Invalid("vout1 is CC for fillex");