Struct aptos_types::event::EventKey

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pub struct EventKey(_);

Expand description

A struct that represents a globally unique id for an Event stream that a user can listen to. By design, the lower part of EventKey is the same as account address.

Implementations

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impl EventKey

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pub fn new(key: [u8 ; 40]) -> Self

Construct a new EventKey from a byte array slice.

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pub const LENGTH: usize = 40usize

The number of bytes in an EventKey.

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pub fn as_bytes(&self) -> &[u8]ⓘNotable traits for &[u8]`impl Read for &[u8]impl Write for &mut [u8]`

Get the byte representation of the event key.

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

Convert event key into a byte array.

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pub fn get_creator_address(&self) -> AccountAddress

Get the account address part in this event key

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pub fn get_creation_number(&self) -> u64

If this is the ith EventKeycreated byget_creator_address(), return i`

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pub fn new_from_address(addr: &AccountAddress, salt: u64) -> Self

Create a unique handle by using an AccountAddress and a counter.

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pub fn from_hex<T: AsRef<[u8]>>(hex: T) -> Result<Self, EventKeyParseError>

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pub fn from_bytes<T: AsRef<[u8]>>(bytes: T) -> Result<Self, EventKeyParseError>

Trait Implementations

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impl Clone for EventKey

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fn clone(&self) -> EventKey

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

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impl Debug for EventKey

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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<'de> Deserialize<'de> for EventKey

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fn deserialize<D>(deserializer: D) -> Result<Self, D::Error> where
D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer. Read more

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impl Display for EventKey

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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 From<&EventKey> for [u8 ; 40]

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fn from(event_key: &EventKey) -> Self

Converts to this type from the input type.

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impl From<EventKey> for [u8 ; 40]

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fn from(event_key: EventKey) -> Self

Converts to this type from the input type.

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impl FromStr for EventKey

type Err = EventKeyParseError

The associated error which can be returned from parsing.

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fn from_str(s: &str) -> Result<Self, EventKeyParseError>

Parses a string s to return a value of this type. Read more

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impl Hash for EventKey

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fn hash<H: Hasher>(&self, state: &mut H)

Feeds this value into the given Hasher. Read more

1.3.0 · source

fn hash_slice<H>(data: &[Self], state: &mut H) where
H: Hasher,

Feeds a slice of this type into the given Hasher. Read more

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impl LowerHex for EventKey

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

Formats the value using the given formatter.

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impl Ord for EventKey

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fn cmp(&self, other: &EventKey) -> Ordering

This method returns an Ordering between self and other. Read more

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fn max(self, other: Self) -> Self

Compares and returns the maximum of two values. Read more

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fn min(self, other: Self) -> Self

Compares and returns the minimum of two values. Read more

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fn clamp(self, min: Self, max: Self) -> Self

Restrict a value to a certain interval. Read more

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impl PartialEq<EventKey> for EventKey

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

This method tests for !=.

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impl PartialOrd<EventKey> for EventKey

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fn partial_cmp(&self, other: &EventKey) -> Option<Ordering>

This method returns an ordering between self and other values if one exists. Read more

1.0.0 · source

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

This method tests less than (for self and other) and is used by the < operator. Read more

1.0.0 · source

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

This method tests less than or equal to (for self and other) and is used by the <= operator. Read more

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

This method tests greater than (for self and other) and is used by the > operator. Read more

1.0.0 · source

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

This method tests greater than or equal to (for self and other) and is used by the >= operator. Read more

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impl Serialize for EventKey

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fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error> where
S: Serializer,

Serialize this value into the given Serde serializer. Read more

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impl TryFrom<&[u8]> for EventKey

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fn try_from(bytes: &[u8]) -> Result<EventKey, EventKeyParseError>

Tries to convert the provided byte array into Event Key.

type Error = EventKeyParseError

The type returned in the event of a conversion error.

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impl StructuralPartialEq for EventKey

Auto Trait Implementations

impl RefUnwindSafe for EventKey

impl Send for EventKey

impl Sync for EventKey

impl Unpin for EventKey

impl UnwindSafe for EventKey

Blanket Implementations

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

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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

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

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

Mutably borrows from an owned value. Read more

impl<T> CallHasher for T where
T: Hash + ?Sized,

default fn get_hash<H, B>(value: &H, build_hasher: &B) -> u64 where
H: Hash + ?Sized,
B: BuildHasher,

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impl<Q, K> Equivalent<K> for Q where
Q: Eq + ?Sized,
K: Borrow<Q> + ?Sized,

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fn equivalent(&self, key: &K) -> bool

Compare self to key and return true if they are equal.

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impl<T> From<T> for T

const: unstable · source

fn from(t: T) -> T

Returns the argument unchanged.

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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

fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

impl<T> Pointable for T

const ALIGN: usize = mem::align_of::<T>()

The alignment of pointer.

type Init = T

The type for initializers.

unsafe fn init(init: <T as Pointable>::Init) -> usize

Initializes a with the given initializer. Read more

unsafe fn deref<'a>(ptr: usize) -> &'a T

Dereferences the given pointer. Read more

unsafe fn deref_mut<'a>(ptr: usize) -> &'a mut T

Mutably dereferences the given pointer. Read more

unsafe fn drop(ptr: usize)

Drops the object pointed to by the given pointer. Read more

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impl<T> Same<T> for T

type Output = T

Should always be Self

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impl<T> TestOnlyHash for T where
T: Serialize + ?Sized,

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fn test_only_hash(&self) -> HashValue

Generates a hash used only for tests.

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impl<T> ToOwned for T where
T: Clone,

type Owned = T

The resulting type after obtaining ownership.

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fn to_owned(&self) -> T

Creates owned data from borrowed data, usually by cloning. Read more

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fn clone_into(&self, target: &mut T)

Uses borrowed data to replace owned data, usually by cloning. Read more

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impl<T> ToString for T where
T: Display + ?Sized,

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default fn to_string(&self) -> String

Converts the given value to a String. Read more

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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

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

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

Performs the conversion.

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

fn vzip(self) -> V

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impl<T> WithSubscriber for T

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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> DeserializeOwned for T where
T: for<'de> Deserialize<'de>,

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impl<N> NodeTrait for N where
N: Copy + Ord + Hash,

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impl<N> NodeTrait for N where
N: Copy + Ord + Hash,

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Struct aptos_types::event::EventKey

Implementations

impl EventKey

pub fn new(key: [u8; 40]) -> Self

pub const LENGTH: usize = 40usize

pub fn as_bytes(&self) -> &[u8]ⓘNotable traits for &[u8]impl Read for &[u8]impl Write for &mut [u8]

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

pub fn get_creator_address(&self) -> AccountAddress

pub fn get_creation_number(&self) -> u64

pub fn new_from_address(addr: &AccountAddress, salt: u64) -> Self

pub fn from_hex<T: AsRef<[u8]>>(hex: T) -> Result<Self, EventKeyParseError>

pub fn from_bytes<T: AsRef<[u8]>>(bytes: T) -> Result<Self, EventKeyParseError>

Trait Implementations

impl Clone for EventKey

fn clone(&self) -> EventKey

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

impl Debug for EventKey

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

impl<'de> Deserialize<'de> for EventKey

fn deserialize<D>(deserializer: D) -> Result<Self, D::Error> where D: Deserializer<'de>,

impl Display for EventKey

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

impl From<&EventKey> for [u8; 40]

fn from(event_key: &EventKey) -> Self

impl From<EventKey> for [u8; 40]

fn from(event_key: EventKey) -> Self

impl FromStr for EventKey

type Err = EventKeyParseError

fn from_str(s: &str) -> Result<Self, EventKeyParseError>

impl Hash for EventKey

fn hash<__H: Hasher>(&self, state: &mut __H)

fn hash_slice<H>(data: &[Self], state: &mut H) where H: Hasher,

impl LowerHex for EventKey

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

impl Ord for EventKey

fn cmp(&self, other: &EventKey) -> Ordering

fn max(self, other: Self) -> Self

fn min(self, other: Self) -> Self

fn clamp(self, min: Self, max: Self) -> Self

impl PartialEq<EventKey> for EventKey

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

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

impl PartialOrd<EventKey> for EventKey

fn partial_cmp(&self, other: &EventKey) -> Option<Ordering>

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

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

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

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

impl Serialize for EventKey

fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error> where S: Serializer,

impl TryFrom<&[u8]> for EventKey

fn try_from(bytes: &[u8]) -> Result<EventKey, EventKeyParseError>

type Error = EventKeyParseError

impl Copy for EventKey

impl Eq for EventKey

impl StructuralEq for EventKey

impl StructuralPartialEq for EventKey

Auto Trait Implementations

impl RefUnwindSafe for EventKey

impl Send for EventKey

impl Sync for EventKey

impl Unpin for EventKey

impl UnwindSafe for EventKey

Blanket Implementations

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

fn type_id(&self) -> TypeId

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

fn borrow(&self) -> &T

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

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

impl<T> CallHasher for T where T: Hash + ?Sized,

default fn get_hash<H, B>(value: &H, build_hasher: &B) -> u64 where H: Hash + ?Sized, B: BuildHasher,

impl<Q, K> Equivalent<K> for Q where Q: Eq + ?Sized, K: Borrow<Q> + ?Sized,

fn equivalent(&self, key: &K) -> bool

impl<T> From<T> for T

fn from(t: T) -> T

impl<T> Instrument for T

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

fn in_current_span(self) -> Instrumented<Self>

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

pub fn new(key: [u8 ; 40]) -> Self

pub fn as_bytes(&self) -> &[u8]ⓘNotable traits for &[u8]`impl Read for &[u8]impl Write for &mut [u8]`

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

fn deserialize<D>(deserializer: D) -> Result<Self, D::Error> where
D: Deserializer<'de>,

impl From<&EventKey> for [u8 ; 40]

impl From<EventKey> for [u8 ; 40]

fn hash<H: Hasher>(&self, state: &mut H)

fn hash_slice<H>(data: &[Self], state: &mut H) where
H: Hasher,

fn serialize<S>(&self, serializer: S) -> Result<S::Ok, S::Error> where
S: Serializer,

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> CallHasher for T where
T: Hash + ?Sized,

default fn get_hash<H, B>(value: &H, build_hasher: &B) -> u64 where
H: Hash + ?Sized,
B: BuildHasher,

impl<Q, K> Equivalent<K> for Q where
Q: Eq + ?Sized,
K: Borrow<Q> + ?Sized,

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

impl<T> TestOnlyHash for T where
T: Serialize + ?Sized,

impl<T> ToOwned for T where
T: Clone,

impl<T> ToString for T where
T: Display + ?Sized,

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

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

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> DeserializeOwned for T where
T: for<'de> Deserialize<'de>,

impl<N> NodeTrait for N where
N: Copy + Ord + Hash,

impl<N> NodeTrait for N where
N: Copy + Ord + Hash,

impl<T> RuleType for T where
T: Copy + Debug + Eq + Hash + Ord,