# call\_function

通过传入函数名称及参数来调用该合约内的函数。

## 方法定义

```python
def call_function(self, function_name: str, *args: Optional[Any]) -> Optional[TransactionReceiptData]
```

## 参数说明

| 参数             | 类型             | 说明   |
| -------------- | -------------- | ---- |
| function\_name | str            | 函数名称 |
| \*args         | Optional\[Any] | 函数参数 |

## 返回值

返回 TransactionReceiptData 对象,包含以下字段:

| 字段                  | 类型                           | 说明               |
| ------------------- | ---------------------------- | ---------------- |
| transaction\_hash   | HexBytes                     | 交易哈希             |
| block\_number       | BlockNumber                  | 区块高度             |
| transaction\_index  | int                          | 交易在区块中的索引        |
| transaction\_status | int                          | 交易状态(1 成功,0 失败)  |
| transaction\_type   | int                          | 交易类型             |
| action              | str                          | 交易动作类型           |
| sender              | ChecksumAddress              | 发送者地址            |
| to                  | ChecksumAddress              | 接收者地址            |
| nonce               | Nonce                        | 交易序号             |
| value               | Wei                          | 转账金额             |
| gas\_used           | int                          | 实际使用的 Gas        |
| gas\_limit          | int                          | Gas 上限           |
| gas\_price          | Optional\[Wei]               | Gas 价格           |
| contract\_address   | Optional\[ChecksumAddress]   | 部署的合约地址(仅合约创建交易) |
| logs                | Optional\[List\[LogReceipt]] | 交易日志             |
| input\_data         | HexBytes                     | 交易输入数据           |
| r                   | HexBytes                     | 签名 r 值           |
| s                   | HexBytes                     | 签名 s 值           |
| v                   | HexBytes                     | 签名 v 值           |

## 示例代码

```python
# 调用合约函数
receipt = contract.call_function(
    "transfer",  # 函数名
    "0x...",    # 接收者地址
    1000        # 转账金额
)

if receipt and receipt.transaction_status:
    print(f"Transaction successful: {receipt.transaction_hash.hex()}")
    print(f"Gas used: {receipt.gas_used}")
```


---

# Agent Instructions: Querying This Documentation

If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter:

```
GET https://poseidon.seaeye.cn/evm/contract/call_function.md?ask=<question>
```

The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.