# queryBalanceDetailsByBlockHash

Returns detailed CSPR balance information at a specific block, identified by hash.

## Import

```ts
import { RpcClient, HttpHandler } from 'casper-js-sdk';
```

## Usage

```ts
const result = await rpcClient.queryBalanceDetailsByBlockHash(
  { mainPurseUnderPublicKey: publicKey.toHex() },
  'abc123...'
);

console.log(result.totalBalance.toString());
console.log(result.availableBalance.toString());
```

## Parameters

### purseIdentifier

- **Type:** `PurseIdentifier`

Specifies which balance to query. Exactly one field must be set:

```ts
type PurseIdentifier =
  | { mainPurseUnderPublicKey: string }
  | { mainPurseUnderAccountHash: string }
  | { mainPurseUnderEntityAddr: string }
  | { purseURef: string }
```

### blockHash

- **Type:** `string`

Block hash as a hex string.

## Return Value

`Promise<QueryBalanceDetailsResult>`

```ts
interface QueryBalanceDetailsResult {
  totalBalance: BigNumber;
  availableBalance: BigNumber;
  totalBalanceProof: string;
  holds: BalanceHold[];
}
```

## Related

- [`queryLatestBalanceDetails`](/actions/balance/queryLatestBalanceDetails)
- [`queryBalanceDetailsByBlockHeight`](/actions/balance/queryBalanceDetailsByBlockHeight)
- [`queryBalanceDetailsByStateRootHash`](/actions/balance/queryBalanceDetailsByStateRootHash)