Preimage::Event

Variant 61 v393

pallet_preimage::pallet::Event

The `Event` enum of this pallet

About This Type

Event enum for the Event pallet.

Contains all possible events emitted by the Event pallet. Each variant represents a different event type with its own data fields.

Variants (3)

Index	Name	Fields	Docs
0	Noted	hash: H256	A preimage has been noted.
1	Requested	hash: H256	A preimage has been requested.
2	Cleared	hash: H256	A preimage has ben cleared.

SCALE Encoding

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

Examples

Noted = Noted(hash)

0x00<field0>

00 Variant index 0 = Noted

field 0 hash: H256

Requested = Requested(hash)

0x01<field0>

01 Variant index 1 = Requested

field 0 hash: H256

Cleared = Cleared(hash)

0x02<field0>

02 Variant index 2 = Cleared

field 0 hash: H256

Code Examples

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

const registry = new TypeRegistry();

// Encode Preimage::Event — variant "Noted"
const value = registry.createType("Preimage::Event", { Noted: { hash: 0 } });
console.log("Hex:", value.toHex());

Type Parameters

Referenced By (23)

and 3 more...

Also See

Preimage Events

Type Information

Type ID: 61
Kind: Variant
Path: pallet_preimage::pallet::Event
Runtime: v393

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