PureKilled

Event Re-added v292 → v323, v326 → current #2

Emitted when a pure proxy account is destroyed.

View events on chain

Useful for: validatorsdeveloperswalletsanalytics

The Big Picture

Pure accounts can be destroyed, returning deposits but losing remaining funds.

Use Cases

Track pure account destruction

From Chain Metadata

A pure proxy was killed by its spawner.

Triggers

Emitted by

kill_pure

Preconditions

Pure account called kill_pure via proxy

Effects

Storage Modified

Proxies

Postconditions

Pure account removed
Deposit returned

Side Effects

Remaining funds become inaccessible

Event Data

#	Name	Type	Description
0	pure	AccountId	The pure proxy account address that was killed (hex -> SS58)
1	spawner	AccountId	spawner (AccountId) (hex -> SS58)
2	proxy_type	ProxyType	proxy_type (ProxyType)
3	disambiguation_index	u16	disambiguation_index (u16)

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

Version History

Version:

v292 block 5,968,712 4 args

v326 block 6,608,228 4 args Current

Runtime Info

Pallet Index: 16
Event Index: 2
First Version: v292
Current Version: v393

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