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XdpCs merged 1 commit into from
Jul 7, 2025
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docs: update interface #873

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2 changes: 1 addition & 1 deletion 14_Interface/readme.md
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Expand Up @@ -44,7 +44,7 @@ abstract contract InsertionSort{

虽然接口不实现任何功能，但它非常重要。接口是智能合约的骨架，定义了合约的功能以及如何触发它们：如果智能合约实现了某种接口（比如`ERC20`或`ERC721`），其他Dapps和智能合约就知道如何与它交互。因为接口提供了两个重要的信息：

1. 合约里每个函数的`bytes4`选择器，以及函数签名`函数名(每个参数类型）`。
1. 合约里每个函数的函数签名`函数名(每个参数类型）`，以及`bytes4`选择器（通过对函数签名哈希运算后取前 4 字节获得）。

2. 接口id（更多信息见[EIP165](https://eips.ethereum.org/EIPS/eip-165)）

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