Unreserved

Event v101 → current #5

Emitted when balance is moved from reserved to free.

View events on chain

From Chain Metadata

Some balance was unreserved (moved from reserved to free).

Triggers

Emitted by

force_unreserve

Preconditions

Account has sufficient reserved balance
Unreserve operation requested

Effects

Storage Modified

Account

Postconditions

Reserved balance decreased
Free balance increased

Side Effects

Balance now available for transfers

Event Data

#	Name	Type	Description
0	who	AccountId	Who account address (hex -> SS58)
1	amount	u64	Amount in RAO (÷10⁹ for TAO) (RAO -> TAO (/ 10^9))

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

Runtime Info

Pallet Index: 5
Event Index: 5
First Version: v101
Current Version: v393

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