Reserved

Event v101 → current #4

Emitted when balance is moved from free to reserved.

View events on chain

From Chain Metadata

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

Triggers

Preconditions

Account has sufficient free balance
Reserve operation requested

Effects

Postconditions

Free balance decreased
Reserved balance increased

Side Effects

Reserved balance cannot be transferred

Event Data

#	Name	Type	Description
0	who	AccountId	who: Account address (32 bytes, SS58-encoded) (hex -> SS58)
1	amount	u64 T::Balance	amount: Balance in chain native currency (RAO for TAO; ÷10⁹) (RAO -> TAO (/ 10^9))

Code Examples

import { createClient, Binary } from "polkadot-api";
import { getWsProvider } from "polkadot-api/ws";
import { sub } from "@polkadot-api/descriptors"; // generated by: npx papi add sub -w wss://entrypoint-finney.opentensor.ai:443

const client = createClient(getWsProvider("wss://entrypoint-finney.opentensor.ai:443"));
const api = client.getTypedApi(sub);

// Subscribe to Reserved events
client.finalizedBlock$.subscribe(async (block) => {
  const events = await api.event.Balances.Reserved.get(block.hash);
  for (const evt of events) {
    console.log("Reserved:", evt.payload);
  }
});

On-Chain Activity

Emission Frequency

●●○○○○ Moderate 10K–100K emissions

Occasional use

#48 most emitted event

As of block 7,429,232

Runtime Info

Pallet Index: 5
Event Index: 4
First Version: v101
Current Version: v411

Back to Balances Events