[u8; 1]

Array 177 v393

About This Type

Fixed-length array of 1 u8 values.

Always exactly 1 elements. No length prefix needed since the size is known at compile time.

Encoding: 1 elements encoded consecutively, no length prefix.

Fixed-Length Array

Element Type
u8
Length
1
SCALE Encoding
Fixed-length (1 x element size bytes)

SCALE Encoding

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

Examples

1-byte array = [u8; 1]
0xxx...
1 raw bytes 1 bytes concatenated, no prefix

Code Examples

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

const registry = new TypeRegistry();

// Encode a [u8; 1]
const arr = registry.createType("[u8; 1]", new Uint8Array(1));
console.log("Hex:", arr.toHex());

Referenced By (2)

Type Information

Type ID
177
Kind
Array
Runtime
v393