UnknownTransaction

Variant 572 v393

sp_runtime::transaction_validity::UnknownTransaction

About This Type

Enum type: UnknownTransaction.

A tagged union where the first byte selects which variant is active, followed by that variant's data.

Encoding: 1-byte variant index followed by the selected variant's field data.

Variants (3)

IndexNameFieldsDocs
0CannotLookupnone
1NoUnsignedValidatornone
2Custom

SCALE Encoding

Rule
1-byte variant index followed by variant-specific field data. 3 possible variants.
Size
variable (1+ bytes)

Examples

CannotLookup
0x00
00 Variant index 0 = CannotLookup
NoUnsignedValidator
0x01
01 Variant index 1 = NoUnsignedValidator
Custom = Custom(u8)
0x02<field0>
02 Variant index 2 = Custom
field 0 field0: u8

Code Examples

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

const registry = new TypeRegistry();

// Encode UnknownTransaction — variant "CannotLookup"
const value = registry.createType("UnknownTransaction", "CannotLookup");
console.log("Hex:", value.toHex());

Referenced By (1)

Type Information

Type ID
572
Kind
Variant
Path
sp_runtime::transaction_validity::UnknownTransaction
Runtime
v393