[u8; 8]

Array 121 v393

About This Type

Fixed-length array of 8 u8 values.

Always exactly 8 elements. No length prefix needed since the size is known at compile time.

Encoding: 8 elements encoded consecutively, no length prefix.

Fixed-Length Array

Element Type: u8
Length: 8
SCALE Encoding: Fixed-length (8 x element size bytes)

SCALE Encoding

Rule: 8 elements encoded consecutively, no length prefix (size known at compile time).
Size: 8 bytes

Examples

8-byte array = [u8; 8]

0xxxxxxxxx...

8 raw bytes 8 bytes concatenated, no prefix

Code Examples

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

const registry = new TypeRegistry();

// Encode a [u8; 8]
const arr = registry.createType("[u8; 8]", new Uint8Array(8));
console.log("Hex:", arr.toHex());

Referenced By (8)

#120 ([u8; 8], u32) #175 Data via Raw8 #241 Data via Raw8 #405 BalanceLock via id #409 ReserveData via id #521 H64 #533 PalletId #576 ([u8; 8], Vec<u8>)

Type Information

Type ID: 121
Kind: Array
Runtime: v393

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