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many changes: * fix CC malleability * extra validations for CCs such as requiring a signature and limiting types * different SIGHASH types for CC

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This commit is contained in:
Scott Sadler
2018-03-31 23:20:03 -03:00
parent 9ef101bc21
commit 563581aff4
21 changed files with 215 additions and 116 deletions
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12
src/script/interpreter.h
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@@ -128,7 +128,11 @@ public:
return false;
}
virtual bool CheckCryptoCondition(const CC *cond, const std::vector<unsigned char>& condBin, const CScript& scriptCode, uint32_t consensusBranchId) const
virtual int CheckCryptoCondition(
const std::vector<unsigned char>& condBin,
const std::vector<unsigned char>& ffillBin,
const CScript& scriptCode,
uint32_t consensusBranchId) const
{
return false;
}
@@ -152,7 +156,11 @@ public:
TransactionSignatureChecker(const CTransaction* txToIn, unsigned int nInIn, const CAmount& amountIn, const PrecomputedTransactionData& txdataIn) : txTo(txToIn), nIn(nInIn), amount(amountIn), txdata(&txdataIn) {}
bool CheckSig(const std::vector<unsigned char>& scriptSig, const std::vector<unsigned char>& vchPubKey, const CScript& scriptCode, uint32_t consensusBranchId) const;
bool CheckLockTime(const CScriptNum& nLockTime) const;
bool CheckCryptoCondition(const CC *cond, const std::vector<unsigned char>& condBin, const CScript& scriptCode, uint32_t consensusBranchId) const;
int CheckCryptoCondition(
const std::vector<unsigned char>& condBin,
const std::vector<unsigned char>& ffillBin,
const CScript& scriptCode,
uint32_t consensusBranchId) const;
VerifyEval GetCCEval() const;
};