Struct sp_state_machine::BasicExternalities

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pub struct BasicExternalities { /* private fields */ }

Expand description

Simple Map-based Externalities impl.

Implementations

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impl BasicExternalities

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pub fn new(inner: Storage) -> Self

Create a new instance of BasicExternalities

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pub fn new_empty() -> Self

New basic externalities with empty storage.

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pub fn insert(&mut self, k: StorageKey, v: StorageValue) -> Option<StorageValue>

Insert key/value

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pub fn into_storages(self) -> Storage

Consume self and returns inner storages

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pub fn execute_with_storage<R>(
storage: &mut Storage,
f: impl FnOnce() -> R
) -> R

Execute the given closure f with the externalities set and initialized with storage.

Returns the result of the closure and updates storage with all changes.

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pub fn execute_with<R>(&mut self, f: impl FnOnce() -> R) -> R

Execute the given closure while self is set as externalities.

Returns the result of the given closure.

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pub fn extensions(&mut self) -> &mut Extensions

List of active extensions.

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pub fn register_extension(&mut self, ext: impl Extension)

Register an extension.

Trait Implementations

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impl Debug for BasicExternalities

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fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter. Read more

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impl Default for BasicExternalities

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fn default() -> Self

Returns the “default value” for a type. Read more

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impl ExtensionStore for BasicExternalities

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fn extension_by_type_id(&mut self, type_id: TypeId) -> Option<&mut dyn Any>

Tries to find a registered extension by the given type_id and returns it as a &mut dyn Any. Read more

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fn register_extension_with_type_id(
 &mut self,
 type_id: TypeId,
 extension: Box<dyn Extension>
) -> Result<(), Error>

Register extension extension with specified type_id. Read more

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fn deregister_extension_by_type_id(
&mut self,
type_id: TypeId
) -> Result<(), Error>

Deregister extension with speicifed ‘type_id’ and drop it. Read more

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impl Externalities for BasicExternalities

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fn set_offchain_storage(&mut self, _key: &[u8 ], _value: Option<&[u8 ]>)

Write a key value pair to the offchain storage database.

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fn storage(&self, key: &[u8 ]) -> Option<StorageValue>

Read runtime storage.

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fn storage_hash(&self, key: &[u8 ]) -> Option<Vec<u8>>

Get storage value hash. Read more

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fn child_storage(
 &self,
 child_info: &ChildInfo,
 key: &[u8 ]
) -> Option<StorageValue>

Read child runtime storage. Read more

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fn child_storage_hash(
 &self,
 child_info: &ChildInfo,
 key: &[u8 ]
) -> Option<Vec<u8>>

Get child storage value hash. Read more

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fn next_storage_key(&self, key: &[u8 ]) -> Option<StorageKey>

Returns the key immediately following the given key, if it exists.

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fn next_child_storage_key(
 &self,
 child_info: &ChildInfo,
 key: &[u8 ]
) -> Option<StorageKey>

Returns the key immediately following the given key, if it exists, in child storage.

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fn place_storage(&mut self, key: StorageKey, maybe_value: Option<StorageValue>)

Set or clear a storage entry (key) of current contract being called (effective immediately). Read more

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fn place_child_storage(
 &mut self,
 child_info: &ChildInfo,
 key: StorageKey,
 value: Option<StorageValue>
)

Set or clear a child storage entry.

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fn kill_child_storage(
 &mut self,
 child_info: &ChildInfo,
 _limit: Option<u32>
) -> (bool, u32 )

Clear an entire child storage. Read more

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fn clear_prefix(&mut self, prefix: &[u8 ], _limit: Option<u32>) -> (bool, u32 )

Clear storage entries which keys are start with the given prefix. Read more

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fn clear_child_prefix(
 &mut self,
 child_info: &ChildInfo,
 prefix: &[u8 ],
 _limit: Option<u32>
) -> (bool, u32 )

Clear child storage entries which keys are start with the given prefix. Read more

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fn storage_append(&mut self, key: Vec<u8>, value: Vec<u8>)

Append storage item. Read more

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fn storage_root(&mut self) -> Vec<u8>ⓘ
Notable traits for Vec<u8, A>
`impl<A> Write for Vec<u8, A> where A: Allocator,`

Get the trie root of the current storage map. Read more

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fn child_storage_root(&mut self, child_info: &ChildInfo) -> Vec<u8>ⓘ
Notable traits for Vec<u8, A>
`impl<A> Write for Vec<u8, A> where A: Allocator,`

Get the trie root of a child storage map. Read more

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fn storage_start_transaction(&mut self)

Start a new nested transaction. Read more

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fn storage_rollback_transaction(&mut self) -> Result<(), ()>

Rollback the last transaction started by storage_start_transaction. Read more

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fn storage_commit_transaction(&mut self) -> Result<(), ()>

Commit the last transaction started by storage_start_transaction. Read more

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fn wipe(&mut self)

!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! Benchmarking related functionality and shouldn’t be used anywhere else! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! Read more

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fn commit(&mut self)

!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! Benchmarking related functionality and shouldn’t be used anywhere else! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! Read more

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fn read_write_count(&self) -> (u32, u32, u32, u32 )

!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! Benchmarking related functionality and shouldn’t be used anywhere else! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! Read more

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fn reset_read_write_count(&mut self)

!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! Benchmarking related functionality and shouldn’t be used anywhere else! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! Read more

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fn get_whitelist(&self) -> Vec<TrackedStorageKey>ⓘ
Notable traits for Vec<u8, A>
`impl<A> Write for Vec<u8, A> where A: Allocator,`

!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! Benchmarking related functionality and shouldn’t be used anywhere else! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! Read more

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fn set_whitelist(&mut self, _: Vec<TrackedStorageKey>)

!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! Benchmarking related functionality and shouldn’t be used anywhere else! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! Read more

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fn get_read_and_written_keys(&self) -> Vec<(Vec<u8>, u32, u32, bool )>ⓘ
Notable traits for Vec<u8, A>
`impl<A> Write for Vec<u8, A> where A: Allocator,`

!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! Benchmarking related functionality and shouldn’t be used anywhere else! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! Read more

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fn set_storage(&mut self, key: Vec<u8, Global>, value: Vec<u8, Global>)

Set storage entry key of current contract being called (effective immediately).

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fn set_child_storage(
 &mut self,
 child_info: &ChildInfo,
 key: Vec<u8, Global>,
 value: Vec<u8, Global>
)

Set child storage entry key of current contract being called (effective immediately).

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fn clear_storage(&mut self, key: &[u8 ])

Clear a storage entry (key) of current contract being called (effective immediately).

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fn clear_child_storage(&mut self, child_info: &ChildInfo, key: &[u8 ])

Clear a child storage entry (key) of current contract being called (effective immediately). Read more

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fn exists_storage(&self, key: &[u8 ]) -> bool

Whether a storage entry exists.

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fn exists_child_storage(&self, child_info: &ChildInfo, key: &[u8 ]) -> bool

Whether a child storage entry exists.

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fn storage_index_transaction(&mut self, _index: u32, _hash: &[u8 ], _size: u32)

Index specified transaction slice and store it.

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fn storage_renew_transaction_index(&mut self, _index: u32, _hash: &[u8 ])

Renew existing piece of transaction storage.

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fn proof_size(&self) -> Option<u32>

!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! Benchmarking related functionality and shouldn’t be used anywhere else! !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! Read more

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impl From<BTreeMap<Vec<u8, Global>, Vec<u8, Global>>> for BasicExternalities

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fn from(hashmap: BTreeMap<StorageKey, StorageValue>) -> Self

Performs the conversion.

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impl FromIterator<(Vec<u8, Global>, Vec<u8, Global>)> for BasicExternalities

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fn from_iter<I: IntoIterator<Item = (StorageKey, StorageValue )>>(
iter: I
) -> Self

Creates a value from an iterator. Read more

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impl PartialEq<BasicExternalities> for BasicExternalities

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fn eq(&self, other: &BasicExternalities) -> bool

This method tests for self and other values to be equal, and is used by ==. Read more

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fn ne(&self, other: &Rhs) -> bool

This method tests for !=.

Auto Trait Implementations

impl !RefUnwindSafe for BasicExternalities

impl Send for BasicExternalities

impl !Sync for BasicExternalities

impl Unpin for BasicExternalities

impl !UnwindSafe for BasicExternalities

Blanket Implementations

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

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pub fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

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impl<T> Borrow<T> for T where
T: ?Sized,

const: unstable · source

pub fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

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impl<T> BorrowMut<T> for T where
T: ?Sized,

const: unstable · source

pub fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more

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impl<T> Downcast for T where
T: Any,

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pub fn into_any(self: Box<T, Global>) -> Box<dyn Any + 'static, Global>ⓘ
Notable traits for Box<W, Global>
`impl<W> Write for Box<W, Global> where W: Write + ?Sized, impl<R> Read for Box<R, Global> where R: Read + ?Sized, impl<I, A> Iterator for Box<I, A> where I: Iterator + ?Sized, A: Allocator, type Item = ::Item;impl<F, A> Future for Box<F, A> where F: Future + Unpin + ?Sized, A: Allocator + 'static, type Output = <F as Future>::Output;`

Convert Box<dyn Trait> (where Trait: Downcast) to Box<dyn Any>. Box<dyn Any> can then be further downcast into Box<ConcreteType> where ConcreteType implements Trait. Read more

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pub fn into_any_rc(self: Rc<T>) -> Rc<dyn Any + 'static>

Convert Rc<Trait> (where Trait: Downcast) to Rc<Any>. Rc<Any> can then be further downcast into Rc<ConcreteType> where ConcreteType implements Trait. Read more

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pub fn as_any(&self) -> &(dyn Any + 'static)

Convert &Trait (where Trait: Downcast) to &Any. This is needed since Rust cannot generate &Any’s vtable from &Trait’s. Read more

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pub fn as_any_mut(&mut self) -> &mut (dyn Any + 'static)

Convert &mut Trait (where Trait: Downcast) to &Any. This is needed since Rust cannot generate &mut Any’s vtable from &mut Trait’s. Read more

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impl<T> From<T> for T

const: unstable · source

pub fn from(t: T) -> T

Performs the conversion.

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impl<T> Instrument for T

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fn instrument(self, span: Span) -> Instrumented<Self>

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

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fn in_current_span(self) -> Instrumented<Self>

Instruments this type with the current Span, returning an Instrumented wrapper. Read more

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impl<T, U> Into for T where
U: From<T>,

const: unstable · source

pub fn into(self) -> U

Performs the conversion.

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impl<T, Outer> IsWrappedBy<Outer> for T where
Outer: AsRef<T> + AsMut<T> + From<T>,
T: From<Outer>,

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pub fn from_ref(outer: &Outer) -> &T

Get a reference to the inner from the outer.

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pub fn from_mut(outer: &mut Outer) -> &mut T

Get a mutable reference to the inner from the outer.

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impl<T> Same<T> for T

type Output = T

Should always be Self

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impl<T, U> TryFrom for T where
U: Into<T>,

type Error = Infallible

The type returned in the event of a conversion error.

const: unstable · source

pub fn try_from(value: U) -> Result<T, <T as TryFrom>::Error>

Performs the conversion.

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impl<T, U> TryInto for T where
U: TryFrom<T>,

type Error = >::Error

The type returned in the event of a conversion error.

const: unstable · source

pub fn try_into(self) -> Result<U, >::Error>

Performs the conversion.

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impl<S, T> UncheckedInto<T> for S where
T: UncheckedFrom<S>,

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pub fn unchecked_into(self) -> T

The counterpart to unchecked_from.

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fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self> where
S: Into<Dispatch>,

Attaches the provided Subscriber to this type, returning a WithDispatch wrapper. Read more

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fn with_current_subscriber(self) -> WithDispatch<Self>

Attaches the current default Subscriber to this type, returning a WithDispatch wrapper. Read more

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impl<T> MaybeDebug for T where
T: Debug,

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Struct sp_state_machine::BasicExternalities

Implementations

impl BasicExternalities

pub fn new(inner: Storage) -> Self

pub fn new_empty() -> Self

pub fn insert(&mut self, k: StorageKey, v: StorageValue) -> Option<StorageValue>

pub fn into_storages(self) -> Storage

pub fn execute_with_storage<R>( storage: &mut Storage, f: impl FnOnce() -> R) -> R

pub fn execute_with<R>(&mut self, f: impl FnOnce() -> R) -> R

pub fn extensions(&mut self) -> &mut Extensions

pub fn register_extension(&mut self, ext: impl Extension)

Trait Implementations

impl Debug for BasicExternalities

fn fmt(&self, f: &mut Formatter<'_>) -> Result

impl Default for BasicExternalities

fn default() -> Self

impl ExtensionStore for BasicExternalities

fn extension_by_type_id(&mut self, type_id: TypeId) -> Option<&mut dyn Any>

fn register_extension_with_type_id( &mut self, type_id: TypeId, extension: Box<dyn Extension>) -> Result<(), Error>

fn deregister_extension_by_type_id( &mut self, type_id: TypeId) -> Result<(), Error>

impl Externalities for BasicExternalities

fn set_offchain_storage(&mut self, _key: &[u8], _value: Option<&[u8]>)

fn storage(&self, key: &[u8]) -> Option<StorageValue>

fn storage_hash(&self, key: &[u8]) -> Option<Vec<u8>>

fn child_storage( &self, child_info: &ChildInfo, key: &[u8]) -> Option<StorageValue>

fn child_storage_hash( &self, child_info: &ChildInfo, key: &[u8]) -> Option<Vec<u8>>

fn next_storage_key(&self, key: &[u8]) -> Option<StorageKey>

fn next_child_storage_key( &self, child_info: &ChildInfo, key: &[u8]) -> Option<StorageKey>

fn place_storage(&mut self, key: StorageKey, maybe_value: Option<StorageValue>)

fn place_child_storage( &mut self, child_info: &ChildInfo, key: StorageKey, value: Option<StorageValue>)

fn kill_child_storage( &mut self, child_info: &ChildInfo, _limit: Option<u32>) -> (bool, u32)

fn clear_prefix(&mut self, prefix: &[u8], _limit: Option<u32>) -> (bool, u32)

fn clear_child_prefix( &mut self, child_info: &ChildInfo, prefix: &[u8], _limit: Option<u32>) -> (bool, u32)

fn storage_append(&mut self, key: Vec<u8>, value: Vec<u8>)

fn storage_root(&mut self) -> Vec<u8>ⓘNotable traits for Vec<u8, A>impl<A> Write for Vec<u8, A> where A: Allocator,

fn child_storage_root(&mut self, child_info: &ChildInfo) -> Vec<u8>ⓘNotable traits for Vec<u8, A>impl<A> Write for Vec<u8, A> where A: Allocator,

fn storage_start_transaction(&mut self)

fn storage_rollback_transaction(&mut self) -> Result<(), ()>

fn storage_commit_transaction(&mut self) -> Result<(), ()>

fn wipe(&mut self)

fn commit(&mut self)

fn read_write_count(&self) -> (u32, u32, u32, u32)

fn reset_read_write_count(&mut self)

fn get_whitelist(&self) -> Vec<TrackedStorageKey>ⓘNotable traits for Vec<u8, A>impl<A> Write for Vec<u8, A> where A: Allocator,

fn set_whitelist(&mut self, _: Vec<TrackedStorageKey>)

fn get_read_and_written_keys(&self) -> Vec<(Vec<u8>, u32, u32, bool)>ⓘNotable traits for Vec<u8, A>impl<A> Write for Vec<u8, A> where A: Allocator,

fn set_storage(&mut self, key: Vec<u8, Global>, value: Vec<u8, Global>)

fn set_child_storage( &mut self, child_info: &ChildInfo, key: Vec<u8, Global>, value: Vec<u8, Global>)

fn clear_storage(&mut self, key: &[u8])

fn clear_child_storage(&mut self, child_info: &ChildInfo, key: &[u8])

fn exists_storage(&self, key: &[u8]) -> bool

fn exists_child_storage(&self, child_info: &ChildInfo, key: &[u8]) -> bool

fn storage_index_transaction(&mut self, _index: u32, _hash: &[u8], _size: u32)

fn storage_renew_transaction_index(&mut self, _index: u32, _hash: &[u8])

fn proof_size(&self) -> Option<u32>

impl From<BTreeMap<Vec<u8, Global>, Vec<u8, Global>>> for BasicExternalities

fn from(hashmap: BTreeMap<StorageKey, StorageValue>) -> Self

impl FromIterator<(Vec<u8, Global>, Vec<u8, Global>)> for BasicExternalities

fn from_iter<I: IntoIterator<Item = (StorageKey, StorageValue)>>( iter: I) -> Self

impl PartialEq<BasicExternalities> for BasicExternalities

fn eq(&self, other: &BasicExternalities) -> bool

fn ne(&self, other: &Rhs) -> bool

Auto Trait Implementations

impl !RefUnwindSafe for BasicExternalities

impl Send for BasicExternalities

impl !Sync for BasicExternalities

impl Unpin for BasicExternalities

impl !UnwindSafe for BasicExternalities

Blanket Implementations

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

pub fn type_id(&self) -> TypeId

impl<T> Borrow<T> for T where T: ?Sized,

pub fn borrow(&self) -> &T

impl<T> BorrowMut<T> for T where T: ?Sized,

pub fn borrow_mut(&mut self) -> &mut T

impl<T> Downcast for T where T: Any,

pub fn into_any_rc(self: Rc<T>) -> Rc<dyn Any + 'static>

pub fn as_any(&self) -> &(dyn Any + 'static)

pub fn as_any_mut(&mut self) -> &mut (dyn Any + 'static)

impl<T> From<T> for T

pub fn execute_with_storage<R>(
storage: &mut Storage,
f: impl FnOnce() -> R
) -> R

fn register_extension_with_type_id(
&mut self,
type_id: TypeId,
extension: Box<dyn Extension>
) -> Result<(), Error>

fn deregister_extension_by_type_id(
&mut self,
type_id: TypeId
) -> Result<(), Error>

fn set_offchain_storage(&mut self, _key: &[u8 ], _value: Option<&[u8 ]>)

fn storage(&self, key: &[u8 ]) -> Option<StorageValue>

fn storage_hash(&self, key: &[u8 ]) -> Option<Vec<u8>>

fn child_storage(
&self,
child_info: &ChildInfo,
key: &[u8 ]
) -> Option<StorageValue>

fn child_storage_hash(
&self,
child_info: &ChildInfo,
key: &[u8 ]
) -> Option<Vec<u8>>

fn next_storage_key(&self, key: &[u8 ]) -> Option<StorageKey>

fn next_child_storage_key(
&self,
child_info: &ChildInfo,
key: &[u8 ]
) -> Option<StorageKey>

fn place_child_storage(
&mut self,
child_info: &ChildInfo,
key: StorageKey,
value: Option<StorageValue>
)

fn kill_child_storage(
&mut self,
child_info: &ChildInfo,
_limit: Option<u32>
) -> (bool, u32 )

fn clear_prefix(&mut self, prefix: &[u8 ], _limit: Option<u32>) -> (bool, u32 )

fn clear_child_prefix(
&mut self,
child_info: &ChildInfo,
prefix: &[u8 ],
_limit: Option<u32>
) -> (bool, u32 )

fn storage_root(&mut self) -> Vec<u8>ⓘ
Notable traits for Vec<u8, A>
`impl<A> Write for Vec<u8, A> where A: Allocator,`

fn child_storage_root(&mut self, child_info: &ChildInfo) -> Vec<u8>ⓘ
Notable traits for Vec<u8, A>
`impl<A> Write for Vec<u8, A> where A: Allocator,`

fn read_write_count(&self) -> (u32, u32, u32, u32 )

fn get_whitelist(&self) -> Vec<TrackedStorageKey>ⓘ
Notable traits for Vec<u8, A>
`impl<A> Write for Vec<u8, A> where A: Allocator,`

fn get_read_and_written_keys(&self) -> Vec<(Vec<u8>, u32, u32, bool )>ⓘ
Notable traits for Vec<u8, A>
`impl<A> Write for Vec<u8, A> where A: Allocator,`

fn set_child_storage(
&mut self,
child_info: &ChildInfo,
key: Vec<u8, Global>,
value: Vec<u8, Global>
)

fn clear_storage(&mut self, key: &[u8 ])

fn clear_child_storage(&mut self, child_info: &ChildInfo, key: &[u8 ])

fn exists_storage(&self, key: &[u8 ]) -> bool

fn exists_child_storage(&self, child_info: &ChildInfo, key: &[u8 ]) -> bool

fn storage_index_transaction(&mut self, _index: u32, _hash: &[u8 ], _size: u32)

fn storage_renew_transaction_index(&mut self, _index: u32, _hash: &[u8 ])

fn from_iter<I: IntoIterator<Item = (StorageKey, StorageValue )>>(
iter: I
) -> Self

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

impl<T> Borrow<T> for T where
T: ?Sized,

impl<T> BorrowMut<T> for T where
T: ?Sized,

impl<T> Downcast for T where
T: Any,

impl<T, U> Into<U> for T where
U: From<T>,

impl<T, Outer> IsWrappedBy<Outer> for T where
Outer: AsRef<T> + AsMut<T> + From<T>,
T: From<Outer>,

impl<T, U> TryFrom<U> for T where
U: Into<T>,

impl<T, U> TryInto<U> for T where
U: TryFrom<T>,

impl<S, T> UncheckedInto<T> for S where
T: UncheckedFrom<S>,

impl<V, T> VZip<V> for T where
V: MultiLane<T>,

fn with_subscriber<S>(self, subscriber: S) -> WithDispatch<Self> where
S: Into<Dispatch>,

impl<T> MaybeDebug for T where
T: Debug,

impl<T> MaybeDebug for T where
T: Debug,