[u8; 16]

Array 190 v393

About This Type

Fixed-length array of 16 u8 values.

Always exactly 16 elements. No length prefix needed since the size is known at compile time.

Encoding: 16 elements encoded consecutively, no length prefix.

Fixed-Length Array

Element Type
u8
Length
16
SCALE Encoding
Fixed-length (16 x element size bytes)

SCALE Encoding

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

Examples

16-byte array = [u8; 16]
0xxxxxxxxx...
16 raw bytes 16 bytes concatenated, no prefix

Code Examples

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

const registry = new TypeRegistry();

// Encode a [u8; 16]
const arr = registry.createType("[u8; 16]", new Uint8Array(16));
console.log("Hex:", arr.toHex());

Referenced By (3)

#175 Data via Raw16#241 Data via Raw16#724 ShieldedTransaction via key_hash

Type Information

Type ID
190
Kind
Array
Runtime
v393
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