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wallet: Document blank flag use in descriptor wallets

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This commit is contained in:
Ryan Ofsky
2023-06-08 07:03:22 -04:00
committed by Andrew Chow
parent 43310200dc
commit cdba23db35
1 changed files with 9 additions and 1 deletions
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10
src/wallet/walletutil.h
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@@ -53,10 +53,18 @@ enum WalletFlags : uint64_t {
//! Flag set when a wallet contains no HD seed and no private keys, scripts,
//! addresses, and other watch only things, and is therefore "blank."
//!
//! The only function this flag serves is to distinguish a blank wallet from
//! The main function this flag serves is to distinguish a blank wallet from
//! a newly created wallet when the wallet database is loaded, to avoid
//! initialization that should only happen on first run.
//!
//! A secondary function of this flag, which applies to descriptor wallets
//! only, is to serve as an ongoing indication that descriptors in the
//! wallet should be created manually, and that the wallet should not
//! generate automatically generate new descriptors if it is later
//! encrypted. To support this behavior, descriptor wallets unlike legacy
//! wallets do not automatically unset the BLANK flag when things are
//! imported.
//!
//! This flag is also a mandatory flag to prevent previous versions of
//! bitcoin from opening the wallet, thinking it was newly created, and
//! then improperly reinitializing it.