> For the complete documentation index, see [llms.txt](https://poseidon.seaeye.cn/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://poseidon.seaeye.cn/evm/utils/recover_message_string.md).

# recover\_message\_string

通过消息原文和签名还原出签署者的账户地址。

## 方法定义

```python
@staticmethod
def recover_message_string(message: str, signature: HexBytes) -> Optional[SignedMessageData]
```

## 参数说明

| 参数        | 类型       | 说明   |
| --------- | -------- | ---- |
| message   | str      | 消息原文 |
| signature | HexBytes | 签名   |

## 返回值

返回 SignedMessageData 对象,包含以下字段:

| 字段              | 类型              | 说明    |
| --------------- | --------------- | ----- |
| message\_hash   | HexBytes        | 消息哈希  |
| message         | str             | 原始消息  |
| signer          | ChecksumAddress | 签名者地址 |
| signature\_data | SignatureData   | 签名数据  |

## 示例代码

```python
# 恢复消息签名者
message = "Hello, Ethereum!"
signature = HexBytes("0x...")  # 65 字节的签名
signed_data = Utils.recover_message_string(message, signature)
if signed_data:
    print(f"Message: {signed_data.message}")
    print(f"Signer: {signed_data.signer}")
    print(f"Signature: {signed_data.signature_data.signature.hex()}")
```