Solidity

注意: 此页面尚未翻译成中文。以下内容为英文原版。

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Overview

• Complex user-defined types
• Inheritance and complex user-defined contracts
• Error checking, including requirements and assertions
• Support for libraries and user-defined functions
• Strong security features that ensure contract integrity.

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Example Contract

• Store a greeting on-chain.
• Return the greeting when the contract function is called.

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;

contract Greeter {
    string private greeting;

    function greet() public view returns (string memory) {
        return greeting;
    }

    function setGreeting(string memory _greeting) public {
        console.log("Changing greeting from '%s' to '%s'", greeting, _greeting);
        greeting = _greeting;
    }
}

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Resources