Espresso 介绍 + 测试网教程
Espresso Systems 一个兼容 EVM 的隐私区块链，为 Web3 应用程序提供扩容和隐私系统，该项目推出的隐私解决方案 CAPE (以太坊可配置资产隐私)已上线 Arbitrum Goerli 测试网，此前在 Ethereum Goerli 测试
Espresso Systems, an EVM-compatible privacy block chain that provides an extended and privacy system for Web3 applications, the privacy solution introduced by the project, CAPE (portfolio for asset privacy), is online on the Arbitrum Goerli test network, previously tested in Etherum Goerli
当前融资
2020 年 11 月：种子轮融资 $3.1M，Polychain 领投
2020 November: Seed Wheel Financing $ 3.1M, Polychain
2022 年 3 月：A 轮融资 $29.9M，Greylock Partners 和 Electric Capital 领投
March 2022: A round of financing $29.9M, Greenlock Partners and Electric Capital
官方媒体
交互概览
Interactive overview
交互日期：暂无日期限制
Date of interaction: no date limit for the time being
交互奖励：暂无，埋伏交互
Interactive awards: not available, ambushed interactive
交互环境：Windows 10 + VMware 虚拟机 + Ubuntu 20.04.5 镜像 + Docker
Interactive environment: Windows 10 + VMware Virtual Machine + Ubuntu 20.04.5 Mirror + Docker
交互功能：创建钱包、铸造/创建/包装/转账/代币、领水、反馈等
Interactive function: Wallet creation, casting/creation/packaging/transfer/demonstration, territorial waters, feedback, etc.
分步教程(附 官方教程 )
Annex: VMware Download
Course:
2、在 VMware 上创建一个 Ubuntu 20.04.5 虚拟机 2. Create a Ubuntu 20.04.5 virtual machine on VMware Annex: Ubuntu 20.04.5 Download address 附教程：VMware 虚拟机安装 Ubuntu20.04 详细图文教程 Subject: VMware virtual machine installation Ubuntu20.04 detailed pedagogy 3、在 Ubuntu 上配置 Docker 环境 3. Configure Docker Environment on Ubuntu 安装好 Ubuntu 开机之后，系统提示的更新可以忽略，然后按 Ctrl + Alt + T 打开命令行 When Ubuntu is installed, the update of the system tips can be ignored and the command line opens with Ctrl + Alt + T ①更新现有软件包列表 1 Updates the list of existing packages ②安装依赖软件包 2 Installation of Reliance Packages ③添加 Docker GPG 秘钥 Add Docker GPG Keys in 3 ④将 PPA 添加到资源列表 4 Add PPA to Resource List ⑤再次更新现有的软件包 5 Reupdate existing software packages ⑥查看 Docker-ce 版本信息 6 View Docker-ce version information ⑦安装 Docker 7 Install Docker ⑧查看 Docker 服务状态 8. View Docker service status ⑨Docker 配置运行好以后，关闭命令窗口 Close command window when the 9Docker configuration is running well 二、配置 CAPE 文件 II, Configure CAPE File 1、Docker 环境搭好以后，直接开始配置 CAPE 环境 When the Docker environment is set up, the CAPE environment is configured. ①下载 CAPE 的 yaml 文件 1 Downloads the yaml files of CAPE ②拉取服务镜像 2-Ratted Service Mirror 如果提示 not fund，我们就重新安装下 Docker-compose If the hint is not funk, we'll reset Docker-compose ③再拉取一下服务镜像 Three, pull up the mirrors of the service. ④运行拉取的镜像文件 4 Run the pulled mirror file 2、打开火狐浏览器(谷歌也行)，输入 localhost，看到 CAPE 钱包正常打开 2. Open the Fire Fox Browser (Google can also), enter localhost, see CAPE wallet open properly 打不开的话检查前面调试的 Docker 是否正常运行，服务镜像是否正常运行 Check whether Docker is running properly and the service mirror is running properly if he can't open it. 三、正式开始交互 CAPE 1、创建一个新钱包 1. Create a new wallet 2、在火狐浏览器上安装好 Metamask 钱包，导入刚刚创建的钱包助记词，图文教程略 Metamask; import newly created wallet aids, pedagogic brief 3、添加 Arbitrum Goerli 测试网络 3. Add Arbitrum Goerli Test Network 4、获得 Arbitrum Goerli ETH 测试币 4. Obtain Arbitrum Goerli ETH test currency 方法一：先领 Ethereum Goerli ETH (龙头1、龙头2)，然后去跨链到 Arbitrum Goerli Method I: Lead Etherum Goerli ETH (, across the chain 
方法二：当然是从现有的 Arbitrum Goerli 钱包直接转过去
Method two: From the existing Armitrum Goerli wallet, of course.
5、返回 CAPE 网站刷新下，连接 Metamask 钱包并切换到 Arbitrum Goerli 链
returns the CAPE website to refresh, connect the Metamazk wallet and switch to the Arbitrum Goerli chain
6、铸造所需的其他测试代币
6. Other test tokens for casting
铸造方法：直接给需要铸造的代币合约转账 ETH 即可，1:1铸造
Founding method: Transfer directly to a currency contract that needs to be forged ETH, 1:1
7、Wrap/Unwrap USDC 代币，如果你铸造了其他的，操作都一样
7, Wrap/Unwrap USDC, if you create the other ones, the operation is the same.
Unwrap 就不演示了，同理，选择 capedUSDC 包裹为USDC，和上面相反的
Unwrap doesn't show, by the way, the capedUSDC package is USDC, and it's the other way around.
8、转账代币，钱包内有的都能转，包括刚刚包裹的代币
8. Transfer money, transfer money, change money in wallets, including the money that just came in.
9、创建基于 ERC-20 的资产
9. Creation of ERC-20-based assets
相当于把 ERC20 钱包的资产显示在 CAPE 钱包内，同时添加一些隐私权限
ERC20 wallet's assets are shown in CAPE wallets with some privacy rights added
我们刚刚在 ERC20 链铸造的三种代币合约如下
The three token contracts that we've just forged in the ERC20 chain are as follows:
我们直接创建 USDC ，因为我们刚刚铸造的这个
We just created USDC because we just made this.
10、创建自定义 CAPE 资产
10. Create a custom CAPE asset
自定义资产不会显示到列表中，需要手动导入
Custom assets are not shown in the list. Manual import is required
11、导入和导出资产
11. Import and Export of Assets
当自己创建了一个自定义资产就可以导出数据，让别人导入
When you create a custom asset, you can export the data and let someone else import it.
相反你创建的只要分享出去，别人也可以导入
On the contrary, if you create something that you share, someone else can import it.
四、测试总结
>, test summary
1、CAPE 更多功能测试参考 官方教程
1. CAPE additional functionality test reference
2、测试完保留虚拟机或者 Docker 容器，不然会识别不到钱包
2. Keep virtual machines or docker containers after testing, otherwise they won't recognize wallets.
3、非必要不重新安装 Docker 和重新同步镜像，不然会识别不到钱包
3. Unnecessary non-re-installation of Docker and re-sync mirrors, otherwise the wallet will not be recognized
4、目前我没看到恢复账户的地方，不能识别钱包的话就导入不了
I don't see the place to restore the account. I can't import it if I can't identify the wallet.
5、助记词保留好，助记词保留好，助记词保留好
5. Keep the notes, keep the notes, keep the notes.
6、Docker 还有很多新东西学，比如镜像的备份，导入等等
Six, Docker, there's a lot of new stuff to learn, like back-up mirrors, import, and so on.
8、填一个 资产元数据提交表，有其他问题进官方DC问问看
8. Fill in an asset metadata submission form . Additional questions are sought in official DC
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原文地址：https://mirror.xyz/0x163282F109b86167A7017A9DB2c995a9240Dff38/nFl64oKpiW0XhJpmL1LvF3v2KRsronFb3KPuzEujyvw
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