# TxEnvelopeEip8141.fromRpc

Converts an RPC envelope to an EIP-8141 envelope without losing chain ID precision.

## Imports

:::code-group
```ts [Named]
import { TxEnvelopeEip8141 } from 'ox'
```

```ts [Entrypoint]
import * as TxEnvelopeEip8141 from 'ox/TxEnvelopeEip8141'
```
:::

## Examples

### Basic Usage

```ts twoslash
import { Frame, TxEnvelopeEip8141 } from 'ox'

const rpc = TxEnvelopeEip8141.toRpc(
  TxEnvelopeEip8141.from({
    chainId: 1,
    frames: [Frame.from({})],
    sender: '0x70997970c51812dc3a010c7d01b50e0d17dc79c8'
  })
)
const envelope = TxEnvelopeEip8141.fromRpc(rpc)
```

## Definition

```ts
function fromRpc(
  envelope: Rpc,
): TxEnvelopeEip8141
```

**Source:** [src/core/TxEnvelopeEip8141.ts](https://github.com/wevm/ox/blob/main/src/core/TxEnvelopeEip8141.ts#L396)

## Parameters

### envelope

* **Type:** `Rpc`

The value to convert.

#### envelope.blobVersionedHashes

* **Type:** `readonly 0x${string}[]`

Versioned blob hashes.

#### envelope.chainId

* **Type:** `0x${string}`

Chain ID.

#### envelope.frames

* **Type:** `readonly Rpc[]`

Frames in execution order.

#### envelope.from

* **Type:** `abitype_Address`

Account authorizing execution.

#### envelope.maxFeePerBlobGas

* **Type:** `0x${string}`

Maximum fee per blob gas.

#### envelope.maxFeePerGas

* **Type:** `0x${string}`

Maximum fee per gas.

#### envelope.maxPriorityFeePerGas

* **Type:** `0x${string}`

Maximum priority fee per gas.

#### envelope.nonce

* **Type:** `0x${string}`

Sender nonce.

#### envelope.signatures

* **Type:** `readonly Rpc[]`

Frame signature entries.

#### envelope.type

* **Type:** `"0x6"`

RPC transaction type.

## Return Type

The converted value.

`TxEnvelopeEip8141`