pub struct TopicFilter {
    pub topic0: Topic<Hash>,
    pub topic1: Topic<Hash>,
    pub topic2: Topic<Hash>,
    pub topic3: Topic<Hash>,
}
Expand description

Topic filter.

Fields§

§topic0: Topic<Hash>

Usually (for not-anonymous transactions) the first topic is event signature.

§topic1: Topic<Hash>

Second topic.

§topic2: Topic<Hash>

Third topic.

§topic3: Topic<Hash>

Fourth topic.

Trait Implementations§

Formats the value using the given formatter. Read more
Returns the “default value” for a type. Read more
This method tests for self and other values to be equal, and is used by ==.
This method tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.
Serialize this value into the given Serde serializer. Read more

Auto Trait Implementations§

Blanket Implementations§

Gets the TypeId of self. Read more
Immutably borrows from an owned value. Read more
Mutably borrows from an owned value. Read more

Returns the argument unchanged.

Calls U::from(self).

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

Should always be Self
The type returned in the event of a conversion error.
Performs the conversion.
The type returned in the event of a conversion error.
Performs the conversion.