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Replace OP_EVAL (BIP 12) with Pay-to-script-hash (BIP 16).

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This commit is contained in:
Gavin Andresen
2012-01-04 21:40:52 -05:00
parent d11a58a2d3
commit 922e8e2929
21 changed files with 824 additions and 544 deletions
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42
src/script.h
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@@ -158,10 +158,8 @@ enum opcodetype
OP_CHECKMULTISIG,
OP_CHECKMULTISIGVERIFY,
// meta
OP_EVAL, // Was OP_NOP1
// expansion
OP_NOP1,
OP_NOP2,
OP_NOP3,
OP_NOP4,
@@ -177,7 +175,6 @@ enum opcodetype
// template matching params
OP_SMALLINTEGER = 0xfa,
OP_PUBKEYS = 0xfb,
OP_SCRIPTHASH = 0xfc,
OP_PUBKEYHASH = 0xfd,
OP_PUBKEY = 0xfe,
@@ -485,24 +482,18 @@ public:
return nFound;
}
// This method should be removed when a compatibility-breaking block chain split has passed.
// Compatibility method for old clients that count sigops differently:
int GetSigOpCount() const
{
int n = 0;
const_iterator pc = begin();
while (pc < end())
{
opcodetype opcode;
if (!GetOp(pc, opcode))
break;
if (opcode == OP_CHECKSIG || opcode == OP_CHECKSIGVERIFY)
n++;
else if (opcode == OP_CHECKMULTISIG || opcode == OP_CHECKMULTISIGVERIFY)
n += 20;
}
return n;
}
// Pre-version-0.6, Bitcoin always counted CHECKMULTISIGs
// as 20 sigops. With pay-to-script-hash, that changed:
// CHECKMULTISIGs serialized in scriptSigs are
// counted more accurately, assuming they are of the form
// ... OP_N CHECKMULTISIG ...
int GetSigOpCount(bool fAccurate) const;
// Accurately count sigOps, including sigOps in
// pay-to-script-hash transactions:
int GetSigOpCount(const CScript& scriptSig) const;
bool IsPayToScriptHash() const;
// Called by CTransaction::IsStandard
bool IsPushOnly() const
@@ -526,7 +517,7 @@ public:
SetBitcoinAddress(CBitcoinAddress(vchPubKey));
}
void SetMultisig(int nRequired, const std::vector<CKey>& keys);
void SetEval(const CScript& subscript);
void SetPayToScriptHash(const CScript& subscript);
void PrintHex() const
@@ -567,14 +558,13 @@ public:
bool EvalScript(std::vector<std::vector<unsigned char> >& stack, const CScript& script, const CTransaction& txTo, unsigned int nIn, int nHashType, bool fStrictOpEval, int& nSigOpCountRet);
bool EvalScript(std::vector<std::vector<unsigned char> >& stack, const CScript& script, const CTransaction& txTo, unsigned int nIn, int nHashType);
bool Solver(const CScript& scriptPubKey, txnouttype& typeRet, std::vector<std::vector<unsigned char> >& vSolutionsRet);
bool IsStandard(const CScript& scriptPubKey);
bool IsMine(const CKeyStore& keystore, const CScript& scriptPubKey);
bool ExtractAddress(const CScript& scriptPubKey, CBitcoinAddress& addressRet);
bool ExtractAddresses(const CScript& scriptPubKey, txnouttype& typeRet, std::vector<CBitcoinAddress>& addressRet, int& nRequiredRet);
bool SignSignature(const CKeyStore& keystore, const CTransaction& txFrom, CTransaction& txTo, unsigned int nIn, int nHashType=SIGHASH_ALL);
bool VerifySignature(const CTransaction& txFrom, const CTransaction& txTo, unsigned int nIn, int& nSigOpCountRet, int nHashType=0, bool fStrictOpEval=true);
bool VerifySignature(const CTransaction& txFrom, const CTransaction& txTo, unsigned int nIn, bool fValidatePayToScriptHash, int nHashType);
#endif