Event

Struct Event 

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pub struct Event {
    pub name: String,
    pub data: Value,
    pub block_number: Option<u64>,
    pub tx_hash: Option<String>,
    pub index: Option<u32>,
}
Expand description

Represents a blockchain event emitted by a smart contract or runtime.

The Event struct captures details about an event, including its name, associated data, the block and transaction in which it occurred, and its index within the block.

§Fields

  • name: The name of the event (e.g., "Transfer", "Approval").
  • data: The event payload as a JSON value. This typically contains event parameters.
  • block_number: The block number in which the event was emitted, if available.
  • tx_hash: The transaction hash associated with the event, if available.
  • index: The index of the event within the block, if available.

§Example

use apex_sdk_types::Event;
use serde_json::json;

let event = Event {
    name: "Transfer".to_string(),
    data: json!({
        "from": "0x123...",
        "to": "0x456...",
        "value": 1000
    }),
    block_number: Some(123456),
    tx_hash: Some("0xabc...".to_string()),
    index: Some(0),
};
assert_eq!(event.name, "Transfer");

Fields§

§name: String

The name of the event (e.g., “Transfer”, “Approval”).

§data: Value

The event payload as a JSON value, typically containing event parameters.

§block_number: Option<u64>

The block number in which the event was emitted, if available.

§tx_hash: Option<String>

The transaction hash associated with the event, if available.

§index: Option<u32>

The index of the event within the block, if available.

Trait Implementations§

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impl Clone for Event

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fn clone(&self) -> Event

Returns a duplicate of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for Event

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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 Event

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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 Serialize for Event

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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

Auto Trait Implementations§

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impl Freeze for Event

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impl RefUnwindSafe for Event

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impl Send for Event

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impl Sync for Event

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impl Unpin for Event

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impl UnwindSafe for Event

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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,

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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,

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

Mutably borrows from an owned value. Read more
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impl<T> CloneToUninit for T
where T: Clone,

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unsafe fn clone_to_uninit(&self, dest: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
Performs copy-assignment from self to dest. Read more
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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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

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fn into(self) -> U

Calls U::from(self).

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

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impl<T> Same for T

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type Output = T

Should always be Self
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impl<T> ToOwned for T
where T: Clone,

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

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type Error = Infallible

The type returned in the event of a conversion error.
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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

The type returned in the event of a conversion error.
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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

Performs the conversion.
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impl<T> DeserializeOwned for T
where T: for<'de> Deserialize<'de>,