EndUpdated

Event v273 → current #8

Emitted when end block is updated.

View events on chain
Useful for: stakersdevelopersanalytics

The Big Picture

Campaign end date changed.

Use Cases

  • Track timeline changes

From Chain Metadata

The end was updated.

Triggers

Emitted by

Preconditions

  • Crowdloan not finalized
  • Creator updated

Effects

Storage Modified

Postconditions

  • New end in effect

Event Data

#NameTypeDescription
0
crowdloan_id
u32 Crowdloan identifier
1
new_end
→ new_end_block
u32 New end block

Code Examples

import { ApiPromise, WsProvider } from "@polkadot/api";
import { stringCamelCase } from "@polkadot/util";

const provider = new WsProvider("wss://entrypoint-finney.opentensor.ai:443");
const api = await ApiPromise.create({ provider });

// Subscribe to EndUpdated events
api.query.system.events((events) => {
  events
    .filter(({ event }) =>
      event.section === stringCamelCase("Crowdloan") &&
      event.method === "EndUpdated"
    )
    .forEach(({ event }) => {
      console.log("EndUpdated:", event.data.toHuman());
    });
});

Runtime Info

Pallet Index
27
Event Index
8
First Version
v273
Current Version
v393