[u8; 32]

Array 1 v393

About This Type

Fixed-length array of 32 u8 values.

Always exactly 32 elements. No length prefix needed since the size is known at compile time.

Encoding: 32 elements encoded consecutively, no length prefix.

Fixed-Length Array

Element Type
u8
Length
32
SCALE Encoding
Fixed-length (32 x element size bytes)

SCALE Encoding

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

Examples

32-byte array = [u8; 32]
0xxxxxxxxx...
32 raw bytes 32 bytes concatenated, no prefix

Code Examples

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

const registry = new TypeRegistry();

// Encode a [u8; 32]
const arr = registry.createType("[u8; 32]", new Uint8Array(32));
console.log("Hex:", arr.toHex());

Referenced By (35)

and 15 more...

Type Information

Type ID
1
Kind
Array
Runtime
v393