【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