TopicsCodec class
Codec for encoding and decoding event topics
Topics are hashes (typically H256/32 bytes) used for indexed event filtering.
They are stored as a Vec<u8; 32> in the EventRecord structure.
This codec uses SequenceCodec with U8ArrayCodec internally for proper SCALE encoding.
Constructors
- TopicsCodec()
-
const
Properties
- hashCode → int
-
The hash code for this object.
no setterinherited
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
Methods
-
decode(
Input input) → List< String> -
Decode topics from input
override
-
encode(
List< String> value) → Uint8List -
Convert self to an owned vector.
inherited
-
encodeTo(
List< String> value, Output output) → void -
Encode topics to output
override
-
isSizeZero(
) → bool -
Is Size Zero
override
-
noSuchMethod(
Invocation invocation) → dynamic -
Invoked when a nonexistent method or property is accessed.
inherited
-
sizeHint(
List< String> value) → int -
Calculate size hint for topics
override
-
toString(
) → String -
A string representation of this object.
inherited
Operators
-
operator ==(
Object other) → bool -
The equality operator.
inherited