Noted

Event v133 → current #0

A preimage has been stored on-chain.

View events on chain

Useful for: validatorsanalyticsdevelopers

The Big Picture

Stores call data for proposals.

Use Cases

Track governance data storage

From Chain Metadata

A preimage has been noted.

Triggers

Emitted by

note_preimage unnote_preimage

Preconditions

Data provided
Hash unique

Effects

Storage Modified

PreimageFor StatusFor

Postconditions

Preimage stored
Deposit held

Event Data

#	Name	Type	Description
0	hash	H256 T::Hash	hash: Cryptographic hash (32 bytes)

Code Examples

import { createClient, Binary } from "polkadot-api";
import { getWsProvider } from "polkadot-api/ws";
import { sub } from "@polkadot-api/descriptors"; // generated by: npx papi add sub -w wss://entrypoint-finney.opentensor.ai:443

const client = createClient(getWsProvider("wss://entrypoint-finney.opentensor.ai:443"));
const api = client.getTypedApi(sub);

// Subscribe to Noted events
client.finalizedBlock$.subscribe(async (block) => {
  const events = await api.event.Preimage.Noted.get(block.hash);
  for (const evt of events) {
    console.log("Noted:", evt.payload);
  }
});

Runtime Info

Pallet Index: 14
Event Index: 0
First Version: v133
Current Version: v411

Back to Preimage Events