> For the complete documentation index, see [llms.txt](https://docs.yo.xyz/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://docs.yo.xyz/integrations/integration-guides/sdk/react/hooks/use-deposit.md).

# use deposit

Mutation hook for depositing assets into a vault via the gateway contract, with transaction tracking and automatic query invalidation.

```tsx
const { deposit, isPending, isSuccess, hash } = useDeposit({ vault: 'yoETH' })
```

## Usage

```tsx
import { useDeposit } from '@yo-protocol/react'
import { parseEther } from 'viem'

function DepositButton() {
  const {
    deposit,
    isPending,
    isSuccess,
    hash,
    error,
    reset,
  } = useDeposit({
    vault: 'yoETH',
    slippageBps: 50,
    onSubmitted: (hash) => console.log('Deposited:', hash),
    onError: (err) => console.error(err),
  })

  return (
    <div>
      <button onClick={() => deposit(parseEther('0.1'))} disabled={isPending}>
        {isPending ? 'Depositing...' : 'Deposit 0.1 ETH'}
      </button>

      {isSuccess && <p>Confirmed! Tx: {hash}</p>}
      {error && (
        <p>
          Error: {error.message}
          <button onClick={reset}>Dismiss</button>
        </p>
      )}
    </div>
  )
}
```

## Options

| Option        | Type                     | Default     | Description                                        |
| ------------- | ------------------------ | ----------- | -------------------------------------------------- |
| `vault`       | `Address \| VaultId`     | —           | **Required.** Target vault                         |
| `slippageBps` | `number`                 | `50` (0.5%) | Slippage tolerance in basis points                 |
| `onSubmitted` | `(hash: Hash) => void`   | —           | Called after the transaction is sent               |
| `onConfirmed` | `(hash: Hash) => void`   | —           | Called after the transaction is confirmed on-chain |
| `onError`     | `(error: Error) => void` | —           | Called on error                                    |

## Return Value

| Field       | Type                                | Description                                             |
| ----------- | ----------------------------------- | ------------------------------------------------------- |
| `deposit`   | `(amount: bigint) => Promise<Hash>` | Execute a deposit for the given asset amount            |
| `isPending` | `boolean`                           | `true` while the transaction is being sent or confirmed |
| `isError`   | `boolean`                           | `true` if the transaction failed                        |
| `error`     | `Error \| null`                     | Error object                                            |
| `isSuccess` | `boolean`                           | `true` after the transaction is confirmed on-chain      |
| `hash`      | `Hash \| undefined`                 | Transaction hash once submitted                         |
| `reset`     | `() => void`                        | Reset all state back to idle                            |

## Behavior

| Behavior                  | Detail                                                                                                        |
| ------------------------- | ------------------------------------------------------------------------------------------------------------- |
| **Query invalidation**    | Automatically invalidates `useVault` and `useUserBalance` queries on success                                  |
| **Confirmation tracking** | Uses `useWaitForTransactionReceipt` internally — `isSuccess` flips to `true` only after on-chain confirmation |
| **Error propagation**     | Fires both the local `onError` callback and the global `YieldProvider.onError` handler                        |
| **Slippage**              | The gateway calculates the minimum output based on `slippageBps` and reverts if not met                       |

{% hint style="warning" %}
**Approval required**

The user must have approved the gateway to spend their tokens before depositing. Use `useApprove` to handle this — see the [useApprove docs](broken://pages/4603efa0d6ec049f211a87ef47ad36e5fb912db9).
{% endhint %}


---

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