(pubk)key: mark Derive() as nodiscard

1 files changed, 2 insertions, 2 deletions

diff --git a/src/key.h b/src/key.h
index 12d03778a0..e9b78ebd44 100644
--- a/src/key.h
+++ b/src/key.h
@@ -146,7 +146,7 @@ public:
     bool SignSchnorr(const uint256& hash, Span<unsigned char> sig, const uint256* merkle_root, const uint256& aux) const;
 
     //! Derive BIP32 child key.
-    bool Derive(CKey& keyChild, ChainCode &ccChild, unsigned int nChild, const ChainCode& cc) const;
+    [[nodiscard]] bool Derive(CKey& keyChild, ChainCode &ccChild, unsigned int nChild, const ChainCode& cc) const;
 
     /**
      * Verify thoroughly whether a private key and a public key match.
@@ -176,7 +176,7 @@ struct CExtKey {
 
     void Encode(unsigned char code[BIP32_EXTKEY_SIZE]) const;
     void Decode(const unsigned char code[BIP32_EXTKEY_SIZE]);
-    bool Derive(CExtKey& out, unsigned int nChild) const;
+    [[nodiscard]] bool Derive(CExtKey& out, unsigned int nChild) const;
     CExtPubKey Neuter() const;
     void SetSeed(Span<const std::byte> seed);
 };