CapUpdated

Event v273 → current #9

Emitted when funding cap is updated.

View events on chain
Useful for: stakersdevelopersanalytics

The Big Picture

Funding goal changed.

Use Cases

  • Track goal changes

From Chain Metadata

The cap was updated.

Triggers

Emitted by

Preconditions

  • Crowdloan not finalized
  • Creator updated

Effects

Storage Modified

Postconditions

  • New cap in effect

Side Effects

  • May become finalizable if lowered below raised

Event Data

#NameTypeDescription
0
crowdloan_id
u32 Crowdloan identifier
1
new_cap
u64 New cap (RAO)

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

Runtime Info

Pallet Index
27
Event Index
9
First Version
v273
Current Version
v393