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Merge branch 'FSM' of https://github.com/jl777/komodo into ac_import

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This commit is contained in:
blackjok3r
2019-01-02 23:29:52 +08:00
parent 91b6694c71 f7b88823c7
commit e93fd95815
258 changed files with 3440 additions and 157 deletions
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168
src/cc/import.cpp
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@@ -1,5 +1,5 @@
/******************************************************************************
* Copyright © 2014-2018 The SuperNET Developers. *
* Copyright © 2014-2019 The SuperNET Developers. *
* *
* See the AUTHORS, DEVELOPER-AGREEMENT and LICENSE files at *
* the top-level directory of this distribution for the individual copyright *
@@ -18,46 +18,125 @@
#include "importcoin.h"
#include "crosschain.h"
#include "primitives/transaction.h"
#include "cc/CCinclude.h"
/*
* CC Eval method for import coin.
*
* This method should control every parameter of the ImportCoin transaction, since it has no signature
* to protect it from malleability.
##### 0xffffffff is a special CCid for single chain/dual daemon imports
*/
bool Eval::ImportCoin(const std::vector<uint8_t> params, const CTransaction &importTx, unsigned int nIn)
extern std::string ASSETCHAINS_SELFIMPORT;
extern uint16_t ASSETCHAINS_CODAPORT,ASSETCHAINS_BEAMPORT;
extern uint8_t ASSETCHAINS_OVERRIDE_PUBKEY33[33];
int32_t GetSelfimportProof(std::string source,CMutableTransaction &mtx,CScript &scriptPubKey,TxProof &proof,uint64_t burnAmount,std::vector<uint8_t> rawtx,uint256 txid,std::vector<uint8_t> rawproof) // find burnTx with hash from "other" daemon
{
if (importTx.vout.size() < 2)
MerkleBranch newBranch; CMutableTransaction tmpmtx; CTransaction tx,vintx; uint256 blockHash; char destaddr[64],pkaddr[64];
tmpmtx = CreateNewContextualCMutableTransaction(Params().GetConsensus(),komodo_nextheight());
if ( source == "BEAM" )
{
if ( ASSETCHAINS_BEAMPORT == 0 )
return(-1);
// confirm via ASSETCHAINS_BEAMPORT that burnTx/hash is a valid BEAM burn
// return(0);
}
else if ( source == "CODA" )
{
if ( ASSETCHAINS_CODAPORT == 0 )
return(-1);
// confirm via ASSETCHAINS_CODAPORT that burnTx/hash is a valid CODA burn
// return(0);
}
else
{
if ( !E_UNMARSHAL(rawtx, ss >> tx) )
return(-1);
scriptPubKey = tx.vout[0].scriptPubKey;
mtx = tx;
mtx.fOverwintered = tmpmtx.fOverwintered;
mtx.nExpiryHeight = tmpmtx.nExpiryHeight;
mtx.nVersionGroupId = tmpmtx.nVersionGroupId;
mtx.nVersion = tmpmtx.nVersion;
mtx.vout.clear();
mtx.vout.resize(1);
mtx.vout[0].nValue = burnAmount;
mtx.vout[0].scriptPubKey = scriptPubKey;
if ( tx.GetHash() != txid )
return(-1);
if ( source == "PUBKEY" )
{
// make sure vin0 is signed by ASSETCHAINS_OVERRIDE_PUBKEY33
if ( myGetTransaction(tx.vin[0].prevout.hash,vintx,blockHash) == 0 )
return(-1);
if ( tx.vin[0].prevout.n < vintx.vout.size() && Getscriptaddress(destaddr,vintx.vout[tx.vin[0].prevout.n].scriptPubKey) != 0 )
{
pubkey2addr(pkaddr,ASSETCHAINS_OVERRIDE_PUBKEY33);
if ( strcmp(pkaddr,destaddr) == 0 )
{
proof = std::make_pair(txid,newBranch);
return(0);
}
fprintf(stderr,"mismatched vin0[%d] -> %s vs %s\n",tx.vin[0].prevout.n,destaddr,pkaddr);
}
}
else if ( source == ASSETCHAINS_SELFIMPORT )
{
// source is external coin is the assetchains symbol in the burnTx OP_RETURN
// burnAmount, rawtx and rawproof should be enough for gatewaysdeposit equivalent
}
}
return(-1);
}
// use proof from the above functions to validate the import
int32_t CheckBEAMimport(TxProof proof,std::vector<uint8_t> rawproof,CTransaction burnTx,std::vector<CTxOut> payouts)
{
// check with dual-BEAM daemon via ASSETCHAINS_BEAMPORT for validity of burnTx
return(-1);
}
int32_t CheckCODAimport(TxProof proof,std::vector<uint8_t> rawproof,CTransaction burnTx,std::vector<CTxOut> payouts)
{
// check with dual-CODA daemon via ASSETCHAINS_CODAPORT for validity of burnTx
return(-1);
}
int32_t CheckGATEWAYimport(TxProof proof,std::vector<uint8_t> rawproof,CTransaction burnTx,std::vector<CTxOut> payouts)
{
// ASSETCHAINS_SELFIMPORT is coin
// check for valid burn from external coin blockchain and if valid return(0);
return(-1);
}
int32_t CheckPUBKEYimport(TxProof proof,std::vector<uint8_t> rawproof,CTransaction burnTx,std::vector<CTxOut> payouts)
{
// if burnTx has ASSETCHAINS_PUBKEY vin, it is valid return(0);
fprintf(stderr,"proof txid.%s\n",proof.first.GetHex().c_str());
return(0);
return(-1);
}
bool Eval::ImportCoin(const std::vector<uint8_t> params,const CTransaction &importTx,unsigned int nIn)
{
TxProof proof; CTransaction burnTx; std::vector<CTxOut> payouts; uint64_t txfee = 10000;
uint32_t targetCcid; std::string targetSymbol; uint256 payoutsHash; std::vector<uint8_t> rawproof;
if ( importTx.vout.size() < 2 )
return Invalid("too-few-vouts");
// params
TxProof proof;
CTransaction burnTx;
std::vector<CTxOut> payouts;
if (!UnmarshalImportTx(importTx, proof, burnTx, payouts))
return Invalid("invalid-params");
// Control all aspects of this transaction
// It should not be at all malleable
if (MakeImportCoinTransaction(proof, burnTx, payouts).GetHash() != importTx.GetHash())
return Invalid("non-canonical");
// burn params
uint32_t targetCcid;
std::string targetSymbol;
uint256 payoutsHash;
if (!UnmarshalBurnTx(burnTx, targetSymbol, &targetCcid, payoutsHash))
if (!UnmarshalBurnTx(burnTx, targetSymbol, &targetCcid, payoutsHash,rawproof))
return Invalid("invalid-burn-tx");
if (targetCcid != GetAssetchainsCC() || targetSymbol != GetAssetchainsSymbol())
return Invalid("importcoin-wrong-chain");
if (targetCcid < KOMODO_FIRSTFUNGIBLEID)
return Invalid("chain-not-fungible");
// check burn amount
{
uint64_t burnAmount = burnTx.vout.back().nValue;
@@ -66,20 +145,53 @@ bool Eval::ImportCoin(const std::vector<uint8_t> params, const CTransaction &imp
uint64_t totalOut = 0;
for (int i=0; i<importTx.vout.size(); i++)
totalOut += importTx.vout[i].nValue;
if (totalOut > burnAmount)
return Invalid("payout-too-high");
if (totalOut > burnAmount || totalOut < burnAmount-txfee )
return Invalid("payout-too-high-or-too-low");
}
// Check burntx shows correct outputs hash
if (payoutsHash != SerializeHash(payouts))
return Invalid("wrong-payouts");
if (targetCcid < KOMODO_FIRSTFUNGIBLEID)
return Invalid("chain-not-fungible");
// Check proof confirms existance of burnTx
if ( targetCcid != 0xffffffff )
{
if ( targetCcid != GetAssetchainsCC() || targetSymbol != GetAssetchainsSymbol() )
return Invalid("importcoin-wrong-chain");
uint256 target = proof.second.Exec(burnTx.GetHash());
if (!CheckMoMoM(proof.first, target))
return Invalid("momom-check-fail");
}
else
{
if ( targetSymbol == "BEAM" )
{
if ( ASSETCHAINS_BEAMPORT == 0 )
return Invalid("BEAM-import-without-port");
else if ( CheckBEAMimport(proof,rawproof,burnTx,payouts) < 0 )
return Invalid("BEAM-import-failure");
}
else if ( targetSymbol == "CODA" )
{
if ( ASSETCHAINS_CODAPORT == 0 )
return Invalid("CODA-import-without-port");
else if ( CheckCODAimport(proof,rawproof,burnTx,payouts) < 0 )
return Invalid("CODA-import-failure");
}
else if ( targetSymbol == "PUBKEY" )
{
if ( ASSETCHAINS_SELFIMPORT != "PUBKEY" )
return Invalid("PUBKEY-import-when-notPUBKEY");
else if ( CheckPUBKEYimport(proof,rawproof,burnTx,payouts) < 0 )
return Invalid("PUBKEY-import-failure");
}
else
{
if ( targetSymbol != ASSETCHAINS_SELFIMPORT )
return Invalid("invalid-gateway-import-coin");
else if ( CheckGATEWAYimport(proof,rawproof,burnTx,payouts) < 0 )
return Invalid("GATEWAY-import-failure");
}
}
return Valid();
}