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## 硅谷live以太坊智能合约频道官方地址 | ||
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### 第四课《使用Truffle架构进行前后端交互,测试,部署》 | ||
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目录结构 | ||
<br/>| | ||
<br/>|--orgin 课程初始代码 | ||
<br/>| | ||
<br/>|--assignment 课程作业提交代码 | ||
<br/> | ||
### 本节知识点 | ||
第4课:使用Truffle架构进行前后端交互,测试,部署 | ||
- 为什么要用Truffle,Truffle的基本概念 | ||
- Truffle 的command line 功能 | ||
- 初始化项目与Truffle项目目录结构 | ||
- 编译部署合约到testrpc |
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## 硅谷live以太坊智能合约 第四课作业 | ||
这里是同学提交作业的目录 | ||
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### 第四课:课后作业 | ||
- 将第三课完成的payroll.sol程序导入truffle工程 | ||
- 在test文件夹中,写出对如下两个函数的单元测试: | ||
- function addEmployee(address employeeId, uint salary) onlyOwner | ||
- function removeEmployee(address employeeId) onlyOwner employeeExist(employeeId) | ||
- 思考一下我们如何能覆盖所有的测试路径,包括函数异常的捕捉 | ||
- (加分题,选作) | ||
- 写出对以下函数的基于solidity或javascript的单元测试 function getPaid() employeeExist(msg.sender) | ||
- Hint:思考如何对timestamp进行修改,是否需要对所测试的合约进行修改来达到测试的目的? |
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/*作业请提交在这个目录下*/ |
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## 硅谷live以太坊智能合约 第四课 | ||
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这里是每一课的初始代码,有需要的同学可以参考 |
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## 硅谷live以太坊智能合约频道官方地址 | ||
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### 第五课 | ||
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目录结构 | ||
<br/>| | ||
<br/>|--orgin 课程初始代码 | ||
<br/>| | ||
<br/>|--assignment 课程作业提交代码 | ||
<br/> | ||
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### 本节知识点 | ||
|
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## 硅谷live以太坊智能合约 第五课作业 | ||
这里是同学提交作业的目录 |
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/*作业请提交在这个目录下*/ |
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# payroll | ||
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A payroll system developed with React and Solidty for Ethereum Blockchain platform. | ||
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## Get Started | ||
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1. Install dependencies `npm install -g truffle ethereumjs-testrpc` | ||
1. Install [Metamask](https://metamask.io/) | ||
1. Run `testrpc` | ||
1. Add first account in testrpc to Metamask by importing private key | ||
1. Run `truffle compile` in the project directory | ||
1. `truffle migrate` | ||
1. `npm run start` |
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// Grab NODE_ENV and REACT_APP_* environment variables and prepare them to be | ||
// injected into the application via DefinePlugin in Webpack configuration. | ||
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var REACT_APP = /^REACT_APP_/i; | ||
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function getClientEnvironment(publicUrl) { | ||
var processEnv = Object | ||
.keys(process.env) | ||
.filter(key => REACT_APP.test(key)) | ||
.reduce((env, key) => { | ||
env[key] = JSON.stringify(process.env[key]); | ||
return env; | ||
}, { | ||
// Useful for determining whether we’re running in production mode. | ||
// Most importantly, it switches React into the correct mode. | ||
'NODE_ENV': JSON.stringify( | ||
process.env.NODE_ENV || 'development' | ||
), | ||
// Useful for resolving the correct path to static assets in `public`. | ||
// For example, <img src={process.env.PUBLIC_URL + '/img/logo.png'} />. | ||
// This should only be used as an escape hatch. Normally you would put | ||
// images into the `src` and `import` them in code to get their paths. | ||
'PUBLIC_URL': JSON.stringify(publicUrl) | ||
}); | ||
return {'process.env': processEnv}; | ||
} | ||
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module.exports = getClientEnvironment; |
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// This is a custom Jest transformer turning style imports into empty objects. | ||
// http://facebook.github.io/jest/docs/tutorial-webpack.html | ||
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module.exports = { | ||
process() { | ||
return 'module.exports = {};'; | ||
}, | ||
getCacheKey(fileData, filename) { | ||
// The output is always the same. | ||
return 'cssTransform'; | ||
}, | ||
}; |
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const path = require('path'); | ||
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// This is a custom Jest transformer turning file imports into filenames. | ||
// http://facebook.github.io/jest/docs/tutorial-webpack.html | ||
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module.exports = { | ||
process(src, filename) { | ||
return 'module.exports = ' + JSON.stringify(path.basename(filename)) + ';'; | ||
}, | ||
}; |
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var path = require('path'); | ||
var fs = require('fs'); | ||
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// Make sure any symlinks in the project folder are resolved: | ||
// https://github.com/facebookincubator/create-react-app/issues/637 | ||
var appDirectory = fs.realpathSync(process.cwd()); | ||
function resolveApp(relativePath) { | ||
return path.resolve(appDirectory, relativePath); | ||
} | ||
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// We support resolving modules according to `NODE_PATH`. | ||
// This lets you use absolute paths in imports inside large monorepos: | ||
// https://github.com/facebookincubator/create-react-app/issues/253. | ||
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// It works similar to `NODE_PATH` in Node itself: | ||
// https://nodejs.org/api/modules.html#modules_loading_from_the_global_folders | ||
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// We will export `nodePaths` as an array of absolute paths. | ||
// It will then be used by Webpack configs. | ||
// Jest doesn’t need this because it already handles `NODE_PATH` out of the box. | ||
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// Note that unlike in Node, only *relative* paths from `NODE_PATH` are honored. | ||
// Otherwise, we risk importing Node.js core modules into an app instead of Webpack shims. | ||
// https://github.com/facebookincubator/create-react-app/issues/1023#issuecomment-265344421 | ||
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var nodePaths = (process.env.NODE_PATH || '') | ||
.split(process.platform === 'win32' ? ';' : ':') | ||
.filter(Boolean) | ||
.filter(folder => !path.isAbsolute(folder)) | ||
.map(resolveApp); | ||
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// config after eject: we're in ./config/ | ||
module.exports = { | ||
// Changed from build to build_webpack so smart contract compilations are not overwritten. | ||
appBuild: resolveApp('build_webpack'), | ||
appPublic: resolveApp('public'), | ||
appHtml: resolveApp('public/index.html'), | ||
appIndexJs: resolveApp('src/index.js'), | ||
appPackageJson: resolveApp('package.json'), | ||
appSrc: resolveApp('src'), | ||
yarnLockFile: resolveApp('yarn.lock'), | ||
testsSetup: resolveApp('src/setupTests.js'), | ||
appNodeModules: resolveApp('node_modules'), | ||
ownNodeModules: resolveApp('node_modules'), | ||
nodePaths: nodePaths | ||
}; |
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if (typeof Promise === 'undefined') { | ||
// Rejection tracking prevents a common issue where React gets into an | ||
// inconsistent state due to an error, but it gets swallowed by a Promise, | ||
// and the user has no idea what causes React's erratic future behavior. | ||
require('promise/lib/rejection-tracking').enable(); | ||
window.Promise = require('promise/lib/es6-extensions.js'); | ||
} | ||
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// fetch() polyfill for making API calls. | ||
require('whatwg-fetch'); | ||
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// Object.assign() is commonly used with React. | ||
// It will use the native implementation if it's present and isn't buggy. | ||
Object.assign = require('object-assign'); |
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