[u8; 17]

Array 191 v393

About This Type

Fixed-length array of 17 u8 values.

Always exactly 17 elements. No length prefix needed since the size is known at compile time.

Encoding: 17 elements encoded consecutively, no length prefix.

Fixed-Length Array

Element Type
u8
Length
17
SCALE Encoding
Fixed-length (17 x element size bytes)

SCALE Encoding

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

Examples

17-byte array = [u8; 17]
0xxxxxxxxx...
17 raw bytes 17 bytes concatenated, no prefix

Code Examples

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

const registry = new TypeRegistry();

// Encode a [u8; 17]
const arr = registry.createType("[u8; 17]", new Uint8Array(17));
console.log("Hex:", arr.toHex());

Referenced By (2)

Type Information

Type ID
191
Kind
Array
Runtime
v393