[u8; 13]

Array 187 v393

About This Type

Fixed-length array of 13 u8 values.

Always exactly 13 elements. No length prefix needed since the size is known at compile time.

Encoding: 13 elements encoded consecutively, no length prefix.

Fixed-Length Array

Element Type
u8
Length
13
SCALE Encoding
Fixed-length (13 x element size bytes)

SCALE Encoding

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

Examples

13-byte array = [u8; 13]
0xxxxxxxxx...
13 raw bytes 13 bytes concatenated, no prefix

Code Examples

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

const registry = new TypeRegistry();

// Encode a [u8; 13]
const arr = registry.createType("[u8; 13]", new Uint8Array(13));
console.log("Hex:", arr.toHex());

Referenced By (2)

Type Information

Type ID
187
Kind
Array
Runtime
v393