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Add CScriptCheck: a closure representing a script check

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This commit is contained in:
Pieter Wuille
2012-12-01 22:30:06 +01:00
parent f1136200a6
commit 2800ce7367
2 changed files with 34 additions and 8 deletions
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15
src/main.cpp
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@@ -1348,15 +1348,16 @@ bool CTransaction::HaveInputs(CCoinsViewCache &inputs) const
return true;
}
bool CScriptCheck::operator()() const {
const CScript &scriptSig = ptxTo->vin[nIn].scriptSig;
if (!VerifyScript(scriptSig, scriptPubKey, *ptxTo, nIn, nFlags, nHashType))
return error("CScriptCheck() : %s VerifySignature failed", ptxTo->GetHash().ToString().substr(0,10).c_str());
return true;
}
bool VerifySignature(const CCoins& txFrom, const CTransaction& txTo, unsigned int nIn, unsigned int flags, int nHashType)
{
assert(nIn < txTo.vin.size());
const CTxIn& txin = txTo.vin[nIn];
if (txin.prevout.n >= txFrom.vout.size())
return false;
const CTxOut& txout = txFrom.vout[txin.prevout.n];
return VerifyScript(txin.scriptSig, txout.scriptPubKey, txTo, nIn, flags, nHashType);
return CScriptCheck(txFrom, txTo, nIn, flags, nHashType)();
}
bool CTransaction::CheckInputs(CCoinsViewCache &inputs, enum CheckSig_mode csmode, unsigned int flags) const