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Make comments in /src/script doxygen compatible

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This commit is contained in:
Michael Ford
2014-11-10 14:40:01 +08:00
parent 7b7c866160
commit b9a36b15bf
7 changed files with 85 additions and 63 deletions
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39
src/script/interpreter.cpp
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@@ -41,10 +41,10 @@ bool CastToBool(const valtype& vch)
return false;
}
//
// Script is a stack machine (like Forth) that evaluates a predicate
// returning a bool indicating valid or not. There are no loops.
//
/**
* Script is a stack machine (like Forth) that evaluates a predicate
* returning a bool indicating valid or not. There are no loops.
*/
#define stacktop(i) (stack.at(stack.size()+(i)))
#define altstacktop(i) (altstack.at(altstack.size()+(i)))
static inline void popstack(vector<valtype>& stack)
@@ -69,12 +69,16 @@ bool static IsCompressedOrUncompressedPubKey(const valtype &vchPubKey) {
return true;
}
/**
* A canonical signature exists of: <30> <total len> <02> <len R> <R> <02> <len S> <S> <hashtype>
* Where R and S are not negative (their first byte has its highest bit not set), and not
* excessively padded (do not start with a 0 byte, unless an otherwise negative number follows,
* in which case a single 0 byte is necessary and even required).
*
* See https://bitcointalk.org/index.php?topic=8392.msg127623#msg127623
*/
bool static IsDERSignature(const valtype &vchSig) {
// See https://bitcointalk.org/index.php?topic=8392.msg127623#msg127623
// A canonical signature exists of: <30> <total len> <02> <len R> <R> <02> <len S> <S> <hashtype>
// Where R and S are not negative (their first byte has its highest bit not set), and not
// excessively padded (do not start with a 0 byte, unless an otherwise negative number follows,
// in which case a single 0 byte is necessary and even required).
if (vchSig.size() < 9)
return error("Non-canonical signature: too short");
if (vchSig.size() > 73)
@@ -862,17 +866,18 @@ bool EvalScript(vector<vector<unsigned char> >& stack, const CScript& script, un
namespace {
/** Wrapper that serializes like CTransaction, but with the modifications
/**
* Wrapper that serializes like CTransaction, but with the modifications
* required for the signature hash done in-place
*/
class CTransactionSignatureSerializer {
private:
const CTransaction &txTo; // reference to the spending transaction (the one being serialized)
const CScript &scriptCode; // output script being consumed
const unsigned int nIn; // input index of txTo being signed
const bool fAnyoneCanPay; // whether the hashtype has the SIGHASH_ANYONECANPAY flag set
const bool fHashSingle; // whether the hashtype is SIGHASH_SINGLE
const bool fHashNone; // whether the hashtype is SIGHASH_NONE
const CTransaction &txTo; //! reference to the spending transaction (the one being serialized)
const CScript &scriptCode; //! output script being consumed
const unsigned int nIn; //! input index of txTo being signed
const bool fAnyoneCanPay; //! whether the hashtype has the SIGHASH_ANYONECANPAY flag set
const bool fHashSingle; //! whether the hashtype is SIGHASH_SINGLE
const bool fHashNone; //! whether the hashtype is SIGHASH_NONE
public:
CTransactionSignatureSerializer(const CTransaction &txToIn, const CScript &scriptCodeIn, unsigned int nInIn, int nHashTypeIn) :
@@ -951,7 +956,7 @@ public:
::WriteCompactSize(s, nOutputs);
for (unsigned int nOutput = 0; nOutput < nOutputs; nOutput++)
SerializeOutput(s, nOutput, nType, nVersion);
// Serialie nLockTime
// Serialize nLockTime
::Serialize(s, txTo.nLockTime, nType, nVersion);
}
};