diff options
author | Ava Chow <github@achow101.com> | 2023-12-21 18:39:23 -0500 |
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committer | Ava Chow <github@achow101.com> | 2024-03-20 16:15:43 -0400 |
commit | 8e1a475062e62321e58a0624385cc3fa0885aa12 (patch) | |
tree | de0e423e73aa76323430d4ff6279470fa302d1e5 /src | |
parent | 85b1fb19dd3a3f3c68da1c5e60a6eb911e1119a6 (diff) | |
download | bitcoin-8e1a475062e62321e58a0624385cc3fa0885aa12.tar.xz |
wallet: Be able to retrieve single key from descriptors
Adds CWallet::GetKey which retrieves a single key from the descriptors
stored in the wallet.
Diffstat (limited to 'src')
-rw-r--r-- | src/wallet/wallet.cpp | 15 | ||||
-rw-r--r-- | src/wallet/wallet.h | 4 |
2 files changed, 19 insertions, 0 deletions
diff --git a/src/wallet/wallet.cpp b/src/wallet/wallet.cpp index 0dc3da1738..854600b900 100644 --- a/src/wallet/wallet.cpp +++ b/src/wallet/wallet.cpp @@ -4507,4 +4507,19 @@ std::set<CExtPubKey> CWallet::GetActiveHDPubKeys() const } return active_xpubs; } + +std::optional<CKey> CWallet::GetKey(const CKeyID& keyid) const +{ + Assert(IsWalletFlagSet(WALLET_FLAG_DESCRIPTORS)); + + for (const auto& spkm : GetAllScriptPubKeyMans()) { + const DescriptorScriptPubKeyMan* desc_spkm = dynamic_cast<DescriptorScriptPubKeyMan*>(spkm); + assert(desc_spkm); + LOCK(desc_spkm->cs_desc_man); + if (std::optional<CKey> key = desc_spkm->GetKey(keyid)) { + return key; + } + } + return std::nullopt; +} } // namespace wallet diff --git a/src/wallet/wallet.h b/src/wallet/wallet.h index 83425fca6b..f07db175b4 100644 --- a/src/wallet/wallet.h +++ b/src/wallet/wallet.h @@ -1059,6 +1059,10 @@ public: //! Retrieve the xpubs in use by the active descriptors std::set<CExtPubKey> GetActiveHDPubKeys() const EXCLUSIVE_LOCKS_REQUIRED(cs_wallet); + + //! Find the private key for the given key id from the wallet's descriptors, if available + //! Returns nullopt when no descriptor has the key or if the wallet is locked. + std::optional<CKey> GetKey(const CKeyID& keyid) const; }; /** |