diff options
Diffstat (limited to 'src/pubkey.h')
-rw-r--r-- | src/pubkey.h | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/src/pubkey.h b/src/pubkey.h index cd1049f66f..1a818037d1 100644 --- a/src/pubkey.h +++ b/src/pubkey.h @@ -9,6 +9,7 @@ #include <hash.h> #include <serialize.h> +#include <span.h> #include <uint256.h> #include <stdexcept> @@ -206,6 +207,25 @@ public: bool Derive(CPubKey& pubkeyChild, ChainCode &ccChild, unsigned int nChild, const ChainCode& cc) const; }; +class XOnlyPubKey +{ +private: + uint256 m_keydata; + +public: + /** Construct an x-only pubkey from exactly 32 bytes. */ + XOnlyPubKey(Span<const unsigned char> bytes); + + /** Verify a Schnorr signature against this public key. + * + * sigbytes must be exactly 64 bytes. + */ + bool VerifySchnorr(const uint256& msg, Span<const unsigned char> sigbytes) const; + + const unsigned char& operator[](int pos) const { return *(m_keydata.begin() + pos); } + size_t size() const { return m_keydata.size(); } +}; + struct CExtPubKey { unsigned char nDepth; unsigned char vchFingerprint[4]; |