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Merge #13266: refactor: privatize SignatureExtractorChecker [moveonly]

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73aaf4ecf825a4d18c802ca5dd3856ce9096915e Make SignatureExtractorChecker private to its own file (Ben Woosley)

Pull request description:

  ~If we add a CTxIn constructor to SignatureData, then constructing the
  SignatureData directly is no more verbose than calling DataFromTransaction,
  and grants the caller additional flexibiliy in how to provide the CTxIn.~

  A simple change to enhance encapsulation.

ACKs for top commit:
  MarcoFalke:
    utACK 73aaf4ecf825a4d18c802ca5dd3856ce9096915e
  laanwj:
    ACK 73aaf4ecf825a4d18c802ca5dd3856ce9096915e

Tree-SHA512: f7eafbce22b0e9917a8487e88d1f5a1061f2a0959ae1a097cbd9c8ea0d774edfb807da56813cb5fb26f6ca98499a0604a8ff024c198a7c8dc755164de66d972a
This commit is contained in:
Wladimir J. van der Laan 2019-10-02 12:09:48 +02:00 committed by Pasta
parent 44c7bb618e
commit 8a3389e88e
No known key found for this signature in database
GPG Key ID: 52527BEDABE87984
1 changed files with 10 additions and 13 deletions
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23
src/script/sign.cpp
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@ -198,6 +198,7 @@ bool ProduceSignature(const SigningProvider& provider, const BaseSignatureCreato
return sigdata.complete; return sigdata.complete;
} }
namespace {
class SignatureExtractorChecker final : public BaseSignatureChecker class SignatureExtractorChecker final : public BaseSignatureChecker
{ {
private: private:
@ -206,21 +207,17 @@ private:
public: public:
SignatureExtractorChecker(SignatureData& sigdata, BaseSignatureChecker& checker) : sigdata(sigdata), checker(checker) {} SignatureExtractorChecker(SignatureData& sigdata, BaseSignatureChecker& checker) : sigdata(sigdata), checker(checker) {}
bool CheckSig(const std::vector<unsigned char>& scriptSig, const std::vector<unsigned char>& vchPubKey, const CScript& scriptCode, SigVersion sigversion) const override; bool CheckSig(const std::vector<unsigned char>& scriptSig, const std::vector<unsigned char>& vchPubKey, const CScript& scriptCode, SigVersion sigversion) const override
{
if (checker.CheckSig(scriptSig, vchPubKey, scriptCode, sigversion)) {
CPubKey pubkey(vchPubKey);
sigdata.signatures.emplace(pubkey.GetID(), SigPair(pubkey, scriptSig));
return true;
}
return false;
}
}; };
bool SignatureExtractorChecker::CheckSig(const std::vector<unsigned char>& scriptSig, const std::vector<unsigned char>& vchPubKey, const CScript& scriptCode, SigVersion sigversion) const
{
if (checker.CheckSig(scriptSig, vchPubKey, scriptCode, sigversion)) {
CPubKey pubkey(vchPubKey);
sigdata.signatures.emplace(pubkey.GetID(), SigPair(pubkey, scriptSig));
return true;
}
return false;
}
namespace
{
struct Stacks struct Stacks
{ {
std::vector<valtype> script; std::vector<valtype> script;