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Contract Scan

a cool tool help read contract in any main scan

当前为 2022-10-14 提交的版本，查看 最新版本。

// ==UserScript==
// @name         Contract Scan
// @name:zh-cn   合约扫描器
// @version      1.0.1
// @namespace    https://github.com/DAOBuidler/contractscan
// @homepage     https://github.com/DAOBuidler/contractscan
// @author       Diven@BuidlerDAO Exqlnet@BuidlerDAO
// @description  a cool tool help read contract in any main scan
// @description:zh-cn 一个很酷的合约学习工具，可以帮助合约学习者下载
// @match        https://bscscan.com/address/*
// @match        https://etherscan.io/address/*
// @match        https://polygonscan.com/address/*
// @grant        none
// @license      MPL-2.0
// ==/UserScript==



const ContractPage = (function () {
    return {
        init: async function () {
            var host = location.hostname;
            var successIconNum = document.getElementsByClassName('fa fa-check-circle text-success').length
            var contractVerified = successIconNum >= 1

            // 如果未验证，直接 pass，如果通过则默认判断合约代码文件数量 >= 1
            if (!contractVerified) return;

            // 获取合约地址
            var hrefUrlData = window.location.href.split('/address/')
            var contractAddress = hrefUrlData[1].substring(0, 42).toString()


            var htmlObject = document.createElement('div');
            var res = await jQuery.get('/contractdiffchecker?a1=' + contractAddress);
            htmlObject.innerHTML = '<div id="contractscan_copy">' + res + '</div>'
            document.lastChild.appendChild(htmlObject)
            document.getElementById("contractscan_copy").style.display = 'none';


            // 如果合约已验证，判断是否为多文件上传
            var codeFileNameList = []
            var uploadDic = {}
            var contractName = document.getElementsByClassName('h6 font-weight-bold mb-0')[0].innerText

            // 文件名样式的文件
            var codeFileNameElement = document.getElementsByClassName('text-secondary')
            codeFile = document.getElementsByClassName('ace_content')

            // 如果有多个文件名样式，则通过规则过滤出文件名 list
            if (codeFileNameElement.length > 0) {
                for (var i = 0; i < codeFileNameElement.length; i++) {
                    findTextSplitBySpace = codeFileNameElement[i].innerText.toString().split(' ')
                    if (findTextSplitBySpace.length == 6 & findTextSplitBySpace[0] == 'File') {
                        codeFileNameList.push(findTextSplitBySpace[5])
                    }
                }
            }

            // 判断文件数量
            if (codeFileNameList.length > 0) {
                for (var i = 0; i < codeFileNameList.length; i++) {
                    var code = document.getElementsByClassName('sourceCode1')[i].innerText
                    uploadDic[codeFileNameList[i]] = code
                }
            } else {
                var code = document.getElementsByClassName('sourceCode1')[0].innerText
                uploadDic[contractName] = code
            }

            // 上传到仓库
            var status = 0;
            const response = await fetch("https://contractscan.inft.host/api/create-repo", {
                method: 'POST',
                headers: {
                    'Accept': 'application/json',
                    'Content-Type': 'application/json'
                },
                body: JSON.stringify({
                    "namespace": host,
                    "contractAddress": contractAddress,
                    "files": uploadDic,
                }),
            }).then(res => {
                status = res.status
                return res.json()
            });;

            if (status == 200) {
                // 渲染按钮
                var btnElement1 = document.createElement('div');
                btnElement1.style.marginLeft = '4px'
                btnElement1.innerHTML = `<li id ="contractscan_view_online_btn" class="nav-item"><a class="btn btn-xs btn-primary" data-toggle="tab" style="color: white" href=""><span>🔥 View Online</span></a></li>`
                document.getElementById("nav_subtabs").appendChild(btnElement1)
                this.setBtnEventById('contractscan_view_online_btn', this.openUrlOnNewWindows, [response.data.githubDevUrl])

                var btnElement2 = document.createElement('div');
                btnElement2.style.marginLeft = '4px'
                btnElement2.innerHTML = `<li id ="contractscan_download_btn" class="nav-item"><a class="btn btn-xs btn-primary" data-toggle="tab" style="color: white" href=""><span>⬇ Export Zip</span></a></li>`
                document.getElementById("nav_subtabs").appendChild(btnElement2)
                this.setBtnEventById('contractscan_download_btn', this.openUrlOnNewWindows, [response.data.archiveUrl])
            }
        },

        openUrlOnNewWindows: async function (url) {
            window.open(url)
        },

        setBtnEventById: function (aim_btn_name, event, args = []) {
            let btn = document.getElementById(aim_btn_name);

            // 绑定事件，添加到页面上
            btn.onclick = () => {
                if (args.length) {
                    event(...args);
                } else {
                    event();
                }
            };
            return btn;
        },

        setBtnEventbyClass: function (aim_btn, event, args = []) {
            let btn = document.querySelector(`.${aim_btn.replace("_", "-")}`);

            // 绑定事件，添加到页面上
            btn.onclick = () => {
                this.enhanceBtnClickReaction(aim_btn);
                if (args.length) {
                    event(...args);
                } else {
                    event();
                }
            };
            return btn;
        },
    };
})();

(function () {
    ContractPage.init();
})();