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QA: Allow setting the fedpeg script with a command line argument

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- In both default and regtest modes
- The script is stored
- BaseSignatureChecker is used to pass it to the interpreter

Modified by jtimon
This commit is contained in:
Jonas Nick 2016-03-22 23:06:10 +01:00 • committed by Gregory Sanders
parent 51cc3a77fb
commit bb1f44f8a6
9 changed files with 26 additions and 12 deletions
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2
src/script/bitcoinconsensus.cpp
View file

@ -89,7 +89,7 @@ static int verify_script(const unsigned char *scriptPubKey, unsigned int scriptP
if (amountPreviousInput.IsAmount() && (amountPreviousInput.GetAmount() < -1 || (nIn != 0 && !MoneyRange(amountPreviousInput.GetAmount()))))
return VerifyScript(tx.vin[nIn].scriptSig, CScript(scriptPubKey, scriptPubKey + scriptPubKeyLen), nIn < tx.wit.vtxinwit.size() ? &tx.wit.vtxinwit[nIn].scriptWitness : NULL, flags, TransactionNoWithdrawsSignatureChecker(&tx, nIn, amount, txdata), NULL);
else
return VerifyScript(tx.vin[nIn].scriptSig, CScript(scriptPubKey, scriptPubKey + scriptPubKeyLen), nIn < tx.wit.vtxinwit.size() ? &tx.wit.vtxinwit[nIn].scriptWitness : NULL, flags, TransactionSignatureChecker(&tx, nIn, amount, amountPreviousInput), NULL);
return VerifyScript(tx.vin[nIn].scriptSig, CScript(scriptPubKey, scriptPubKey + scriptPubKeyLen), nIn < tx.wit.vtxinwit.size() ? &tx.wit.vtxinwit[nIn].scriptWitness : NULL, flags, TransactionSignatureChecker(&tx, nIn, amount, amountPreviousInput, CScript()), NULL);
} catch (const std::exception&) {
return set_error(err, bitcoinconsensus_ERR_TX_DESERIALIZE); // Error deserializing
}

2
src/script/interpreter.cpp
View file

@ -1165,7 +1165,7 @@ bool EvalScript(vector<vector<unsigned char> >& stack, const CScript& script, un
return set_error(serror, SCRIPT_ERR_WITHDRAW_VERIFY_FORMAT);
opcodetype opcodeTmp;
CScript scriptDestination(CScript() << OP_2 << ParseHex("02d51090b27ca8f1cc04984614bd749d8bab6f2a3681318d3fd0dd43b2a39dd774") << ParseHex("03a75bd7ac458b19f98047c76a6ffa442e592148c5d23a1ec82d379d5d558f4fd8") << ParseHex("034c55bede1bce8e486080f8ebb7a0e8f106b49efb295a8314da0e1b1723738c66") << OP_3 << OP_CHECKMULTISIG);
CScript scriptDestination = checker.GetFedpegScript();
{
CScript::iterator sdpc = scriptDestination.begin();
vector<unsigned char> vch;

15
src/script/interpreter.h
View file

@ -142,6 +142,12 @@ public:
return false;
}
virtual CScript GetFedpegScript() const
{
CScript fedpegScript(CScript() << OP_FALSE);
return fedpegScript;
}
virtual bool CheckLockTime(const CScriptNum& nLockTime) const
{
return false;
@ -204,15 +210,20 @@ class TransactionSignatureChecker : public TransactionNoWithdrawsSignatureChecke
{
private:
const CTxOutValue amountPreviousInput;
const CScript fedpegScript;
public:
TransactionSignatureChecker(const CTransaction* txToIn, unsigned int nInIn, const CTxOutValue& amountIn, const CTxOutValue& amountPreviousInputIn) : TransactionNoWithdrawsSignatureChecker(txToIn, nInIn, amountIn), amountPreviousInput(amountPreviousInputIn) {}
TransactionSignatureChecker(const CTransaction* txToIn, unsigned int nInIn, const CTxOutValue& amountIn, const CTxOutValue& amountPreviousInputIn, const PrecomputedTransactionData& txdataIn) : TransactionNoWithdrawsSignatureChecker(txToIn, nInIn, amountIn, txdataIn), amountPreviousInput(amountPreviousInputIn) {}
TransactionSignatureChecker(const CTransaction* txToIn, unsigned int nInIn, const CTxOutValue& amountIn, const CTxOutValue& amountPreviousInputIn, const CScript& fedpegScriptIn) : TransactionNoWithdrawsSignatureChecker(txToIn, nInIn, amountIn), amountPreviousInput(amountPreviousInputIn), fedpegScript(fedpegScriptIn) {}
TransactionSignatureChecker(const CTransaction* txToIn, unsigned int nInIn, const CTxOutValue& amountIn, const CTxOutValue& amountPreviousInputIn, const PrecomputedTransactionData& txdataIn, const CScript& fedpegScriptIn) : TransactionNoWithdrawsSignatureChecker(txToIn, nInIn, amountIn, txdataIn), amountPreviousInput(amountPreviousInputIn), fedpegScript(fedpegScriptIn) {}
CTxOut GetOutputOffsetFromCurrent(const int offset) const;
COutPoint GetPrevOut() const;
CTxOutValue GetValueIn() const;
CTxOutValue GetValueInPrevIn() const;
bool IsConfirmedBitcoinBlock(const uint256& genesishash, const uint256& hash, bool fConservativeConfirmationRequirements) const;
virtual CScript GetFedpegScript() const
{
return fedpegScript;
}
};
bool EvalScript(std::vector<std::vector<unsigned char> >& stack, const CScript& script, unsigned int flags, const BaseSignatureChecker& checker, SigVersion sigversion, ScriptError* error = NULL);

2
src/script/sigcache.h
View file

@ -24,7 +24,7 @@ private:
bool store;
public:
CachingTransactionSignatureChecker(const CTransaction* txToIn, unsigned int nInIn, const CTxOutValue& amount, const CTxOutValue& amountPreviousInput, bool storeIn, PrecomputedTransactionData& txdataIn) : TransactionSignatureChecker(txToIn, nInIn, amount, amountPreviousInput), store(storeIn) {}
CachingTransactionSignatureChecker(const CTransaction* txToIn, unsigned int nInIn, const CTxOutValue& amount, const CTxOutValue& amountPreviousInput, const CScript& scriptFedRedeem, bool storeIn, PrecomputedTransactionData& txdataIn) : TransactionSignatureChecker(txToIn, nInIn, amount, amountPreviousInput, scriptFedRedeem), store(storeIn) {}
bool VerifySignature(const std::vector<unsigned char>& vchSig, const CPubKey& vchPubKey, const uint256& sighash) const;
};