[u8; 31]
Array 204 v393About This Type
Fixed-length array of 31 u8 values.
Always exactly 31 elements. No length prefix needed since the size is known at compile time.
Encoding: 31 elements encoded consecutively, no length prefix.
Fixed-Length Array
- Element Type
- u8
- Length
- 31
- SCALE Encoding
- Fixed-length (31 x element size bytes)
SCALE Encoding
- Rule
- 31 elements encoded consecutively, no length prefix (size known at compile time).
- Size
- 31 bytes
Examples
31-byte array = [u8; 31]
0xxxxxxxxx...31 raw bytes 31 bytes concatenated, no prefixCode Examples
import { TypeRegistry } from "@polkadot/types";
const registry = new TypeRegistry();
// Encode a [u8; 31]
const arr = registry.createType("[u8; 31]", new Uint8Array(31));
console.log("Hex:", arr.toHex());Referenced By (2)
Type Information
- Type ID
- 204
- Kind
- Array
- Runtime
- v393