CannotDeposit

Event v154 → current #6

Emitted when deposit reservation fails during safe-mode entry/extend.

Useful for: validatorsdevelopers

The Big Picture

Something went wrong with the deposit. This is typically a currency system error - perhaps insufficient balance or a locking issue. The safe-mode operation did not proceed.

Use Cases

Debug failed safe-mode activations
Monitor currency system issues

From Chain Metadata

Could not hold funds for entering or extending the safe-mode. This error comes from the underlying `Currency`.

Triggers

Preconditions

Account attempted permissionless entry/extend
Currency operation failed

Effects

Postconditions

Safe-mode was not entered/extended
No deposit was reserved

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

Runtime Info

Pallet Index: 20
Event Index: 6
First Version: v154
Current Version: v393

Back to SafeMode Events