[u8; 3]

Array 179 v393

About This Type

Fixed-length array of 3 u8 values.

Always exactly 3 elements. No length prefix needed since the size is known at compile time.

Encoding: 3 elements encoded consecutively, no length prefix.

Fixed-Length Array

Element Type: u8
Length: 3
SCALE Encoding: Fixed-length (3 x element size bytes)

SCALE Encoding

Rule: 3 elements encoded consecutively, no length prefix (size known at compile time).
Size: 3 bytes

Examples

3-byte array = [u8; 3]

0xxxxxxx...

3 raw bytes 3 bytes concatenated, no prefix

Code Examples

import { TypeRegistry } from "@polkadot/types";

const registry = new TypeRegistry();

// Encode a [u8; 3]
const arr = registry.createType("[u8; 3]", new Uint8Array(3));
console.log("Hex:", arr.toHex());

Referenced By (2)

#175 Data via Raw3 #241 Data via Raw3

Type Information

Type ID: 179
Kind: Array
Runtime: v393

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