[u8; 30]
Array 203 v393About This Type
Fixed-length array of 30 u8 values.
Always exactly 30 elements. No length prefix needed since the size is known at compile time.
Encoding: 30 elements encoded consecutively, no length prefix.
Fixed-Length Array
- Element Type
- u8
- Length
- 30
- SCALE Encoding
- Fixed-length (30 x element size bytes)
SCALE Encoding
- Rule
- 30 elements encoded consecutively, no length prefix (size known at compile time).
- Size
- 30 bytes
Examples
30-byte array = [u8; 30]
0xxxxxxxxx...30 raw bytes 30 bytes concatenated, no prefixCode Examples
import { TypeRegistry } from "@polkadot/types";
const registry = new TypeRegistry();
// Encode a [u8; 30]
const arr = registry.createType("[u8; 30]", new Uint8Array(30));
console.log("Hex:", arr.toHex());Referenced By (2)
Type Information
- Type ID
- 203
- Kind
- Array
- Runtime
- v393