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Diffstat (limited to 'doc/files.md')
| -rw-r--r-- | doc/files.md | 36 |
1 files changed, 25 insertions, 11 deletions
diff --git a/doc/files.md b/doc/files.md index 65f98e6986..545e8fc92c 100644 --- a/doc/files.md +++ b/doc/files.md @@ -8,6 +8,10 @@ - [Multi-wallet environment](#multi-wallet-environment) + - [Berkeley DB database based wallets](#berkeley-db-database-based-wallets) + + - [SQLite database based wallets](#sqlite-database-based-wallets) + - [GUI settings](#gui-settings) - [Legacy subdirectories and files](#legacy-subdirectories-and-files) @@ -67,26 +71,36 @@ Subdirectory | File(s) | Description ## Multi-wallet environment -Wallets are Berkeley DB (BDB) databases: +Wallets are Berkeley DB (BDB) or SQLite databases. -Subdirectory | File(s) | Description --------------|-------------------|------------ -`database/` | BDB logging files | Part of BDB environment; created at start and deleted on shutdown; a user *must keep it as safe* as personal wallet `wallet.dat` -`./` | `db.log` | BDB error file -`./` | `wallet.dat` | Personal wallet with keys and transactions. May be either a Berkeley DB or SQLite database file. -`./` | `.walletlock` | Wallet lock file -`./` | `wallet.dat-journal` | SQLite Rollback Journal file for `wallet.dat`. Usually created at start and deleted on shutdown. A user *must keep it as safe* as the `wallet.dat` file. - -1. Each user-defined wallet named "wallet_name" resides in `wallets/wallet_name/` subdirectory. +1. Each user-defined wallet named "wallet_name" resides in the `wallets/wallet_name/` subdirectory. 2. The default (unnamed) wallet resides in `wallets/` subdirectory; if the latter does not exist, the wallet resides in the data directory. -3. A wallet database path can be specified by `-wallet` option. +3. A wallet database path can be specified with the `-wallet` option. 4. `wallet.dat` files must not be shared across different node instances, as that can result in key-reuse and double-spends due the lack of synchronization between instances. 5. Any copy or backup of the wallet should be done through a `backupwallet` call in order to update and lock the wallet, preventing any file corruption caused by updates during the copy. + +### Berkeley DB database based wallets + +Subdirectory | File(s) | Description +-------------|-------------------|------------- +`database/` | BDB logging files | Part of BDB environment; created at start and deleted on shutdown; a user *must keep it as safe* as personal wallet `wallet.dat` +`./` | `db.log` | BDB error file +`./` | `wallet.dat` | Personal wallet (a BDB database) with keys and transactions +`./` | `.walletlock` | BDB wallet lock file + +### SQLite database based wallets + +Subdirectory | File | Description +-------------|----------------------|------------- +`./` | `wallet.dat` | Personal wallet (a SQLite database) with keys and transactions +`./` | `wallet.dat-journal` | SQLite Rollback Journal file for `wallet.dat`. Usually created at start and deleted on shutdown. A user *must keep it as safe* as the `wallet.dat` file. + + ## GUI settings `bitcoin-qt` uses [`QSettings`](https://doc.qt.io/qt-5/qsettings.html) class; this implies platform-specific [locations where application settings are stored](https://doc.qt.io/qt-5/qsettings.html#locations-where-application-settings-are-stored). |