BaseFeeOverflow

Event v210 → current #1

Emitted when base fee calculation would overflow.

View events on chain

Useful for: developersanalytics

The Big Picture

Rare edge case indicating extreme network load. Wait for conditions to normalize.

Use Cases

Monitor extreme congestion
Build alerts

Triggers

Preconditions

Fee calculation attempted
Result exceeds max

Effects

Postconditions

Fee capped at maximum

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

Runtime Info

Pallet Index: 25
Event Index: 1
First Version: v210
Current Version: v393

Back to BaseFee Events