【開發智能合約 — Solidity系列】實作篇Ep.1 — 看懂智能合約的脈絡

SPDX License Identifier

// SPDX-License-Identifier: MIT

Pragmas

pragma solidity ^0.5.0;

引入模組

import * as moduleName from "otherfile";// or this import {symbol1 as alias, symbol2} from "otherfile";

擬合約

contract Work {
    ...
}

寫條款

// SPDX-License-Identifier: MIT
pragma solidity ^0.8.7;contract Work {
    uint salary;    // Create a new work contract to initialize the salary
    constructor() {
        salary = 0;
    }    // Increase your salary once you work
    function doWork() public {
        salary += 1;
    }    // Pay salary
    function pay() public view returns (uint) {
        return salary;
    }
}

說明

// This is a single-line comment.  /// This is a 
/// multi-line comment.

結語