# getAuctionInfoByHash

Returns the auction state at a specific block, identified by block hash. Automatically handles both Casper 1.x (V1) and Casper 2.x (V2) node responses.

## Import

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

## Usage

```ts
const result = await rpcClient.getAuctionInfoByHash('abc123...');

const bids = result.auctionState.getBids();
for (const bid of bids) {
  console.log('Validator:', bid.publicKey.toHex());
  console.log('Stake:', bid.bid.stakedAmount);
}
```

## Parameters

### blockHash

- **Type:** `string`

Block hash as a hex string.

## Return Value

`Promise<StateGetAuctionInfoResult>`

```ts
interface StateGetAuctionInfoResult {
  auctionState: AuctionState;
}
```

## Related

- [`getLatestAuctionInfo`](/actions/auction/getLatestAuctionInfo)
- [`getAuctionInfoByHeight`](/actions/auction/getAuctionInfoByHeight)