Struct transact::state::merkle::sql::SqlMerkleState

impl SqlMerkleState<PostgresBackend>

pub fn delete_tree(self) -> Result<(), InternalError>

Deletes the complete tree

After calling this method, no data associated with the tree name will remain in the database.

pub fn remove_pruned_entries(&self) -> Result<(), InternalError>

Removes all entries that have been marked as pruned.

After calling this method, any records that have been marked as pruned will have been deleted from the database.

impl<'a> SqlMerkleState<InTransactionPostgresBackend<'a>>

pub fn delete_tree(self) -> Result<(), InternalError>

Deletes the complete tree

After calling this method, no data associated with the tree name will remain in the database.

pub fn remove_pruned_entries(&self) -> Result<(), InternalError>

Removes all entries that have been marked as pruned.

After calling this method, any records that have been marked as pruned will have been deleted from the database.

impl SqlMerkleState<SqliteBackend>

pub fn delete_tree(self) -> Result<(), InternalError>

Deletes the complete tree

After calling this method, no data associated with the tree name will remain in the database.

pub fn remove_pruned_entries(&self) -> Result<(), InternalError>

Removes all entries that have been marked as pruned.

After calling this method, any records that have been marked as pruned will have been deleted from the database.

impl<'a> SqlMerkleState<InTransactionSqliteBackend<'a>>

pub fn delete_tree(self) -> Result<(), InternalError>

Deletes the complete tree

After calling this method, no data associated with the tree name will remain in the database.

pub fn remove_pruned_entries(&self) -> Result<(), InternalError>

Removes all entries that have been marked as pruned.

After calling this method, any records that have been marked as pruned will have been deleted from the database.

impl<B: Backend> SqlMerkleState

pub fn initial_state_root_hash(&self) -> Result<String, InternalError>

Returns the initial state root.

This value is the state root that applies to a empty merkle radix tree.

Trait Implementations§

impl Clone for SqlMerkleState
where B: Backend + Clone,

fn clone(&self) -> Self

Returns a copy of the value. Read more

1.0.0 · source§

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more

impl<'a> Committer for SqlMerkleState<InTransactionPostgresBackend<'a>>

type StateChange = StateChange

Defines the type of change to apply

fn commit( &self, state_id: &Self::StateId, state_changes: &[Self::StateChange] ) -> Result<Self::StateId, StateError>

Given a StateId and a slice of StateChange values, persist the state changes and return the resulting next StateId value. Read more

impl<'a> Committer for SqlMerkleState<InTransactionSqliteBackend<'a>>

type StateChange = StateChange

Defines the type of change to apply

fn commit( &self, state_id: &Self::StateId, state_changes: &[Self::StateChange] ) -> Result<Self::StateId, StateError>

Given a StateId and a slice of StateChange values, persist the state changes and return the resulting next StateId value. Read more

impl Committer for SqlMerkleState<PostgresBackend>

type StateChange = StateChange

Defines the type of change to apply

fn commit( &self, state_id: &Self::StateId, state_changes: &[Self::StateChange] ) -> Result<Self::StateId, StateError>

Given a StateId and a slice of StateChange values, persist the state changes and return the resulting next StateId value. Read more

impl Committer for SqlMerkleState<SqliteBackend>

type StateChange = StateChange

Defines the type of change to apply

fn commit( &self, state_id: &Self::StateId, state_changes: &[Self::StateChange] ) -> Result<Self::StateId, StateError>

Given a StateId and a slice of StateChange values, persist the state changes and return the resulting next StateId value. Read more

impl<'a> DryRunCommitter for SqlMerkleState<InTransactionPostgresBackend<'a>>

type StateChange = StateChange

Defines the type of change to use for the prediction.

fn dry_run_commit( &self, state_id: &Self::StateId, state_changes: &[Self::StateChange] ) -> Result<Self::StateId, StateError>

Given a StateId and a slice of StateChange values, compute the next StateId value. Read more

impl<'a> DryRunCommitter for SqlMerkleState<InTransactionSqliteBackend<'a>>

type StateChange = StateChange

Defines the type of change to use for the prediction.

fn dry_run_commit( &self, state_id: &Self::StateId, state_changes: &[Self::StateChange] ) -> Result<Self::StateId, StateError>

Given a StateId and a slice of StateChange values, compute the next StateId value. Read more

impl DryRunCommitter for SqlMerkleState<PostgresBackend>

type StateChange = StateChange

Defines the type of change to use for the prediction.

fn dry_run_commit( &self, state_id: &Self::StateId, state_changes: &[Self::StateChange] ) -> Result<Self::StateId, StateError>

Given a StateId and a slice of StateChange values, compute the next StateId value. Read more

impl DryRunCommitter for SqlMerkleState<SqliteBackend>

type StateChange = StateChange

Defines the type of change to use for the prediction.

fn dry_run_commit( &self, state_id: &Self::StateId, state_changes: &[Self::StateChange] ) -> Result<Self::StateId, StateError>

Given a StateId and a slice of StateChange values, compute the next StateId value. Read more

impl MerkleRadixLeafReader for SqlMerkleState<PostgresBackend>

fn leaves( &self, state_id: &Self::StateId, subtree: Option<&str> ) -> Result<Box<dyn Iterator<Item = Result<(Self::Key, Self::Value), MerkleRadixLeafReadError>>>, MerkleRadixLeafReadError>

Returns an iterator over the leaves of a merkle radix tree. By providing an optional address prefix, the caller can limit the iteration over the leaves in a specific subtree.

impl MerkleRadixLeafReader for SqlMerkleState<SqliteBackend>

fn leaves( &self, state_id: &Self::StateId, subtree: Option<&str> ) -> Result<Box<dyn Iterator<Item = Result<(Self::Key, Self::Value), MerkleRadixLeafReadError>>>, MerkleRadixLeafReadError>

Returns an iterator over the leaves of a merkle radix tree. By providing an optional address prefix, the caller can limit the iteration over the leaves in a specific subtree.

impl Prune for SqlMerkleState<PostgresBackend>

type StateId = String

A reference to a checkpoint in state. It could be a merkle hash for a merkle database.

type Key = String

The Key that is being stored in state.

type Value = Vec<u8>

The Value that is being stored in state.

fn prune( &self, state_ids: Vec<Self::StateId> ) -> Result<Vec<Self::Key>, StatePruneError>

Prune keys from state for a given set of state IDs. Read more

impl Prune for SqlMerkleState<SqliteBackend>

type StateId = String

A reference to a checkpoint in state. It could be a merkle hash for a merkle database.

type Key = String

The Key that is being stored in state.

type Value = Vec<u8>

The Value that is being stored in state.

fn prune( &self, state_ids: Vec<Self::StateId> ) -> Result<Vec<Self::Key>, StatePruneError>

Prune keys from state for a given set of state IDs. Read more

impl<'a> Pruner for SqlMerkleState<InTransactionPostgresBackend<'a>>

fn prune( &self, state_ids: Vec<Self::StateId> ) -> Result<Vec<Self::Key>, StateError>

Prune keys from state for a given set of state IDs. Read more

impl<'a> Pruner for SqlMerkleState<InTransactionSqliteBackend<'a>>

fn prune( &self, state_ids: Vec<Self::StateId> ) -> Result<Vec<Self::Key>, StateError>

Prune keys from state for a given set of state IDs. Read more

impl Pruner for SqlMerkleState<PostgresBackend>

fn prune( &self, state_ids: Vec<Self::StateId> ) -> Result<Vec<Self::Key>, StateError>

Prune keys from state for a given set of state IDs. Read more

impl Pruner for SqlMerkleState<SqliteBackend>

fn prune( &self, state_ids: Vec<Self::StateId> ) -> Result<Vec<Self::Key>, StateError>

Prune keys from state for a given set of state IDs. Read more

impl Read for SqlMerkleState<PostgresBackend>

type StateId = String

A reference to a checkpoint in state. It could be a merkle hash for a merkle database.

type Key = String

The Key that is being stored in state.

type Value = Vec<u8>

The Value that is being stored in state.

fn get( &self, state_id: &Self::StateId, keys: &[Self::Key] ) -> Result<HashMap<Self::Key, Self::Value>, StateReadError>

At a given StateId, attempt to retrieve the given slice of keys. Read more

fn clone_box( &self ) -> Box<dyn Read<StateId = Self::StateId, Key = Self::Key, Value = Self::Value>>

impl Read for SqlMerkleState<SqliteBackend>

type StateId = String

A reference to a checkpoint in state. It could be a merkle hash for a merkle database.

type Key = String

The Key that is being stored in state.

type Value = Vec<u8>

The Value that is being stored in state.

fn get( &self, state_id: &Self::StateId, keys: &[Self::Key] ) -> Result<HashMap<Self::Key, Self::Value>, StateReadError>

At a given StateId, attempt to retrieve the given slice of keys. Read more

fn clone_box( &self ) -> Box<dyn Read<StateId = Self::StateId, Key = Self::Key, Value = Self::Value>>

impl<'a> Reader for SqlMerkleState<InTransactionPostgresBackend<'a>>

type Filter = str

The filter used for the iterating over state values.

fn get( &self, state_id: &Self::StateId, keys: &[Self::Key] ) -> Result<HashMap<Self::Key, Self::Value>, StateError>

At a given StateId, attempt to retrieve the given slice of keys. Read more

fn filter_iter( &self, state_id: &Self::StateId, filter: Option<&Self::Filter> ) -> ValueIterResult<ValueIter<(Self::Key, Self::Value)>>

Returns an iterator over the values of state. Read more

impl<'a> Reader for SqlMerkleState<InTransactionSqliteBackend<'a>>

type Filter = str

The filter used for the iterating over state values.

fn get( &self, state_id: &Self::StateId, keys: &[Self::Key] ) -> Result<HashMap<Self::Key, Self::Value>, StateError>

At a given StateId, attempt to retrieve the given slice of keys. Read more

fn filter_iter( &self, state_id: &Self::StateId, filter: Option<&Self::Filter> ) -> ValueIterResult<ValueIter<(Self::Key, Self::Value)>>

Returns an iterator over the values of state. Read more

impl Reader for SqlMerkleState<PostgresBackend>

type Filter = str

The filter used for the iterating over state values.

fn get( &self, state_id: &Self::StateId, keys: &[Self::Key] ) -> Result<HashMap<Self::Key, Self::Value>, StateError>

At a given StateId, attempt to retrieve the given slice of keys. Read more

fn filter_iter( &self, state_id: &Self::StateId, filter: Option<&Self::Filter> ) -> ValueIterResult<ValueIter<(Self::Key, Self::Value)>>

Returns an iterator over the values of state. Read more

impl Reader for SqlMerkleState<SqliteBackend>

type Filter = str

The filter used for the iterating over state values.

fn get( &self, state_id: &Self::StateId, keys: &[Self::Key] ) -> Result<HashMap<Self::Key, Self::Value>, StateError>

At a given StateId, attempt to retrieve the given slice of keys. Read more

fn filter_iter( &self, state_id: &Self::StateId, filter: Option<&Self::Filter> ) -> ValueIterResult<ValueIter<(Self::Key, Self::Value)>>

Returns an iterator over the values of state. Read more

impl<B: Backend> State for SqlMerkleState

type StateId = String

A reference to a checkpoint in state. It could be a merkle hash for a merkle database.

type Key = String

The Key that is being stored in state.

type Value = Vec<u8>

The Value that is being stored in state.

impl Write for SqlMerkleState<PostgresBackend>

type StateId = String

A reference to a checkpoint in state. It could be a merkle hash for a merkle database.

type Key = String

The Key that is being stored in state.

type Value = Vec<u8>

The Value that is being stored in state.

fn commit( &self, state_id: &Self::StateId, state_changes: &[StateChange] ) -> Result<Self::StateId, StateWriteError>

Given a StateId and a slice of StateChange values, persist the state changes and return the resulting next StateId value. Read more

fn compute_state_id( &self, state_id: &Self::StateId, state_changes: &[StateChange] ) -> Result<Self::StateId, StateWriteError>

Given a StateId and a slice of StateChange values, compute the next StateId value. Read more

impl Write for SqlMerkleState<SqliteBackend>

type StateId = String

A reference to a checkpoint in state. It could be a merkle hash for a merkle database.

type Key = String

The Key that is being stored in state.

type Value = Vec<u8>

The Value that is being stored in state.

fn commit( &self, state_id: &Self::StateId, state_changes: &[StateChange] ) -> Result<Self::StateId, StateWriteError>

Given a StateId and a slice of StateChange values, persist the state changes and return the resulting next StateId value. Read more

fn compute_state_id( &self, state_id: &Self::StateId, state_changes: &[StateChange] ) -> Result<Self::StateId, StateWriteError>

Given a StateId and a slice of StateChange values, compute the next StateId value. Read more

Auto Trait Implementations§

impl UnwindSafe for SqlMerkleState
where B: UnwindSafe,

Blanket Implementations§

impl<T> Any for T
where T: 'static + ?Sized,

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

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where T: ?Sized,

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where T: 'a + Send + Sync + Clone,

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Clone this value, and then immediately put it into a Box behind a trait object of this trait.

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Instruments this type with the provided [Span], returning an Instrumented wrapper. Read more

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where Self: AsExpression<T> + Sized,

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where &'a Self: AsExpression<T>,

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where T: 'a + Clone,

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Clone this value, and then immediately put it into a Box behind a trait object of this trait.

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Given ptr, which was obtained from a prior call to Self::borrow(), return a value with the same nominal lifetime which is guaranteed to survive mutations to Self. Read more

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