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# TxEnvelope.recoverAddress

Recovers the signing address of a transaction envelope, either serialized or as an envelope object.

## Imports

```ts
import { TxEnvelope } from 'viem/utils'
```

## Examples

```ts twoslash
// @noErrors
import { TxEnvelope } from 'viem/utils'

declare const envelope: TxEnvelope.TxEnvelope
declare const signature: { r: bigint; s: bigint; yParity: number }

// From a serialized transaction (signature carried on the envelope).
const address = TxEnvelope.recoverAddress('0x02f8…')

// From an envelope object, with an explicit signature.
const address2 = TxEnvelope.recoverAddress(envelope, { signature })
```

## Definition

```ts
function recoverAddress(
  transaction: TxEnvelope.TxEnvelope | TxEnvelope.Serialized,
  options?: recoverAddress.Options,
): Address
```

## Parameters

### transaction

* **Type:** `TxEnvelope.TxEnvelope | TxEnvelope.Serialized`

The transaction envelope (serialized, or an envelope object).

### options.signature

* **Type:** `Hex | Bytes | Signature.Signature`
* **Optional**

Signature of the transaction. Defaults to the one carried on a signed transaction.

## Return Type

The recovered signing address.

`Address`