Struct zebra_state::config::Config
source · pub struct Config {
pub cache_dir: PathBuf,
pub ephemeral: bool,
pub delete_old_database: bool,
pub debug_stop_at_height: Option<u32>,
pub debug_validity_check_interval: Option<Duration>,
pub elasticsearch_url: String,
pub elasticsearch_username: String,
pub elasticsearch_password: String,
}
Expand description
Configuration for the state service.
Fields§
§cache_dir: PathBuf
The root directory for storing cached block data.
If you change this directory, you might also want to change network.cache_dir
.
This cache stores permanent blockchain state that can be replicated from the network, including the best chain, blocks, the UTXO set, and other indexes. Any state that can be rolled back is only stored in memory.
The zebra-state
cache does not include any private data, such as wallet data.
You can delete the entire cached state directory, but it will impact your node’s readiness and network usage. If you do, Zebra will re-sync from genesis the next time it is launched.
The default directory is platform dependent, based on
dirs::cache_dir()
:
Platform | Value | Example |
---|---|---|
Linux | $XDG_CACHE_HOME/zebra or $HOME/.cache/zebra | /home/alice/.cache/zebra |
macOS | $HOME/Library/Caches/zebra | /Users/Alice/Library/Caches/zebra |
Windows | {FOLDERID_LocalAppData}\zebra | C:\Users\Alice\AppData\Local\zebra |
Other | std::env::current_dir()/cache/zebra | /cache/zebra |
§Security
If you are running Zebra with elevated permissions (“root”), create the directory for this file before running Zebra, and make sure the Zebra user account has exclusive access to that directory, and other users can’t modify its parent directories.
§Implementation Details
Each state format version and network has a separate state.
These states are stored in state/vN/mainnet
and state/vN/testnet
subdirectories,
underneath the cache_dir
path, where N
is the state format version.
When Zebra’s state format changes, it creates a new state subdirectory for that version, and re-syncs from genesis.
Old state versions are automatically deleted at startup. You can also manually delete old state versions.
ephemeral: bool
Whether to use an ephemeral database.
Ephemeral databases are stored in a temporary directory created using tempfile::tempdir()
.
They are deleted when Zebra exits successfully.
(If Zebra panics or crashes, the ephemeral database won’t be deleted.)
Set to false
by default. If this is set to true
, cache_dir
is ignored.
Ephemeral directories are created in the std::env::temp_dir()
.
Zebra names each directory after the state version and network, for example: zebra-state-v21-mainnet-XnyGnE
.
delete_old_database: bool
Whether to delete the old database directories when present.
Set to true
by default. If this is set to false
,
no check for old database versions will be made and nothing will be
deleted.
debug_stop_at_height: Option<u32>
Commit blocks to the finalized state up to this height, then exit Zebra.
Set to None
by default: Zebra continues syncing indefinitely.
debug_validity_check_interval: Option<Duration>
While Zebra is running, check state validity this often.
Set to None
by default: Zebra only checks state format validity on startup and shutdown.
elasticsearch_url: String
The elasticsearch database url.
elasticsearch_username: String
The elasticsearch database username.
elasticsearch_password: String
The elasticsearch database password.
Implementations§
source§impl Config
impl Config
sourcepub fn db_path(
&self,
db_kind: impl AsRef<str>,
major_version: u64,
network: &Network,
) -> PathBuf
pub fn db_path( &self, db_kind: impl AsRef<str>, major_version: u64, network: &Network, ) -> PathBuf
Returns the path for the database, based on the kind, major version and network. Each incompatible database format or network gets its own unique path.
Trait Implementations§
source§impl<'de> Deserialize<'de> for Config
impl<'de> Deserialize<'de> for Config
source§fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>where
__D: Deserializer<'de>,
fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>where
__D: Deserializer<'de>,
impl Eq for Config
impl StructuralPartialEq for Config
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impl Freeze for Config
impl RefUnwindSafe for Config
impl Send for Config
impl Sync for Config
impl Unpin for Config
impl UnwindSafe for Config
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of a value. Read more§fn tap_dbg(self, func: impl FnOnce(&Self)) -> Self
fn tap_dbg(self, func: impl FnOnce(&Self)) -> Self
.tap()
only in debug builds, and is erased in release builds.§fn tap_mut_dbg(self, func: impl FnOnce(&mut Self)) -> Self
fn tap_mut_dbg(self, func: impl FnOnce(&mut Self)) -> Self
.tap_mut()
only in debug builds, and is erased in release
builds.§fn tap_borrow_dbg<B>(self, func: impl FnOnce(&B)) -> Self
fn tap_borrow_dbg<B>(self, func: impl FnOnce(&B)) -> Self
.tap_borrow()
only in debug builds, and is erased in release
builds.§fn tap_borrow_mut_dbg<B>(self, func: impl FnOnce(&mut B)) -> Self
fn tap_borrow_mut_dbg<B>(self, func: impl FnOnce(&mut B)) -> Self
.tap_borrow_mut()
only in debug builds, and is erased in release
builds.§fn tap_ref_dbg<R>(self, func: impl FnOnce(&R)) -> Self
fn tap_ref_dbg<R>(self, func: impl FnOnce(&R)) -> Self
.tap_ref()
only in debug builds, and is erased in release
builds.§fn tap_ref_mut_dbg<R>(self, func: impl FnOnce(&mut R)) -> Self
fn tap_ref_mut_dbg<R>(self, func: impl FnOnce(&mut R)) -> Self
.tap_ref_mut()
only in debug builds, and is erased in release
builds.§fn tap_deref_dbg<T>(self, func: impl FnOnce(&T)) -> Self
fn tap_deref_dbg<T>(self, func: impl FnOnce(&T)) -> Self
.tap_deref()
only in debug builds, and is erased in release
builds.