BatchCompletedWithErrors

Event v120 → current #2

Emitted when a batch completed but some calls failed.

View events on chain
Useful for: developersanalyticswallets

The Big Picture

force_batch continues on failure. Check ItemFailed events for details.

Use Cases

  • Monitor partial batch success

From Chain Metadata

Batch of dispatches completed but has errors.

Triggers

Emitted by

force_batchbatch

Preconditions

  • force_batch call executed
  • At least one call failed

Effects

Postconditions

  • Successful calls persisted

Side Effects

  • Check ItemFailed for details

This event has no data fields.

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

On-Chain Activity

Emission Frequency
●●●●○○ Significant 1M–5M emissions

Major features with millions of emissions

#24 most emitted event

As of block 7,429,232

Runtime Info

Pallet Index
11
Event Index
2
First Version
v120
Current Version
v393
Back to Utility Events