From d0eddfdc1fca35b3ed16a1877a4d81d94726ed6f Mon Sep 17 00:00:00 2001 From: linjie-2 <34617701+linjie-2@users.noreply.github.com> Date: Mon, 18 Dec 2017 12:22:03 +0800 Subject: [PATCH 01/97] =?UTF-8?q?Create=20=E3=80=90=E6=B5=8B=E8=AF=95?= =?UTF-8?q?=E3=80=91=E7=AC=AC=E4=B8=80=E8=AF=BE=E4=BD=9C=E4=B8=9A?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- ...\347\254\254\344\270\200\350\257\276\344\275\234\344\270\232" | 1 + 1 file changed, 1 insertion(+) create mode 100644 "\343\200\220\346\265\213\350\257\225\343\200\221\347\254\254\344\270\200\350\257\276\344\275\234\344\270\232" diff --git "a/\343\200\220\346\265\213\350\257\225\343\200\221\347\254\254\344\270\200\350\257\276\344\275\234\344\270\232" "b/\343\200\220\346\265\213\350\257\225\343\200\221\347\254\254\344\270\200\350\257\276\344\275\234\344\270\232" new file mode 100644 index 000000000..f0ce4777d --- /dev/null +++ "b/\343\200\220\346\265\213\350\257\225\343\200\221\347\254\254\344\270\200\350\257\276\344\275\234\344\270\232" @@ -0,0 +1 @@ +测试·第一课作业 From e69590188f27c7bdea61d5342d2e28bc4a47f6bc Mon Sep 17 00:00:00 2001 From: monkey <34856884+public2018@users.noreply.github.com> Date: Wed, 27 Dec 2017 10:35:26 +0800 Subject: [PATCH 02/97] =?UTF-8?q?Create=20=E6=B5=8B=E8=AF=95?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- "\346\265\213\350\257\225" | 1 + 1 file changed, 1 insertion(+) create mode 100644 "\346\265\213\350\257\225" diff --git "a/\346\265\213\350\257\225" "b/\346\265\213\350\257\225" new file mode 100644 index 000000000..b2ce87e4a --- /dev/null +++ "b/\346\265\213\350\257\225" @@ -0,0 +1 @@ +这是一次测试 From d2c795d6586fa2b51ef70f5b6b4ba08f75ba442a Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=E7=A1=85=E8=B0=B7live=C2=B7=E6=99=BA=E8=83=BD=E5=90=88?= =?UTF-8?q?=E7=BA=A6=E5=85=A8=E6=A0=88=E5=BC=80=E5=8F=91=E8=AF=BE?= <32827583+linjie-1@users.noreply.github.com> Date: Mon, 8 Jan 2018 14:39:55 +0800 Subject: [PATCH 03/97] Update README.md --- README.md | 87 +++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 87 insertions(+) diff --git a/README.md b/README.md index 6f43ea57a..3027146cc 100644 --- a/README.md +++ b/README.md @@ -1,2 +1,89 @@ # 老董区块链干货铺 硅谷live以太坊智能合约频道官方地址 + +### 一、课程如何更新的呢？（以北京时间为准） + +每周三、日更新课程，具体安排如下 +- 第一课：1月7号 +- 第二课：1月10号 +- 第三课：1月14号 +- 第四课：1月17号 +- 第五课：1月21号 +- 第六课：1月24号 +- 第七课：1月28号 +- 总答疑：2月4号 + +每周日上午10点为直播答疑（14、21、28号） + +### 二、课程大纲： +#### 第1课：智能合约设计初阶-单员工薪酬系统 +- 合约的基本概念和定义 +- Solidity类型系统与传统语言的异同 +- Solidity独特的单位系统 +- 区块链系统全局变量：区块信息，消息 + +#### 第2课：智能合约设计进阶-多员工薪酬系统 +- 动态静态数组的不同 +- 函数输入参数检查 revert +- 循环与遍历的安全性 +- 程序运行错误检查和容错：assert与require + +#### 第3课：智能合约后端优化和产品化 +- 如何通过数据结构优化降低合约执行成本 +- 合约的继承 +- 巧用modifier +- 以太坊函数库的使用和基本介绍 + +#### 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 + +#### 第5课：分布式应用前端产品化 +- Metamask交互，Chrome浏览使用dApp +- Event和智能合约后端的交互 +- 前段代码和后端代码的整合测试（integration test） + + +#### 第6课：《分布式应用前端产品化-进阶》 +- 对我们之前开发的payroll合约进行整合，我们主要讲介绍一下以下两部分的内容，metamask插件与前端代码的交互；前端代码中Event的使用。 + +#### 第7课：《智能合约的主网部署》 +- 智能合约安全 +- 主网合约部署 +- 拜占庭硬分叉，最新solidity语音特性 +- 介绍白帽黑客实践所要破解的合约，公布竞赛规则 + +## 三、人员分工 +#### 班长雅珣：  +- 负责发送入学指南、拉人进群、大群的群规制定； +- 发现社群中优质kol用户，并持续激励他们； +- 用户产生疑问，我们能快速进行解答； +- 负责社群打卡活动、联系助教及学员征集话题； +- 负责社群开营仪式、结业仪式、中期活动、白帽黑客等活动。 + +#### 班长Nicole： +- 帮用户获取课程之外的干货和拆解课程中的疑难知识点 + +#### 班长晓杰： +- 负责督促用户写作业，助教批改作业； +- 负责总体的作业统计，公布作业信息，筛选优秀作业，海报展示； +- 负责每周六的助教分享会。 + +#### 班长令帆： +- 负责统计学员和小组积分，提前制作积分表； +- 负责每周和结业在社群中用海报公布各小组的积分状态和前三名个人分状态。 + +#### 助教： +作业点评 +- 唐涵：负责1-10号、同时在社群“开拓者A战队”担任助教 +- 海罗沃德：负责11-20号，同时在社群“开拓者B战队”担任助教 +- Jonny：负责21-30号，同时在社群“开拓者C战队”担任助教 +- Steven：负责31-40号，同时在社群“开拓者D战队”担任助教 +- 振宇：负责41-50号，同时在社群“开拓者E战队”担任助教 +- 李明：负责51-60号，同时在社群“开拓者F战队”担任助教 +- 高冰：负责61-70号，同时在社群“开拓者G战队”担任助教 +- 刘芳路：负责71-80号，同时在社群“开拓者H战队”担任助教 +- 何智华：负责81-90号，同时在社群“开拓者 I 战队”担任助教 +- 王鲁明：负责91-100号，同时在社群“开拓者J战队”担任助教 From 040a107fb5186675db77e743783f951046409c32 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=E7=A1=85=E8=B0=B7live=C2=B7=E6=99=BA=E8=83=BD=E5=90=88?= =?UTF-8?q?=E7=BA=A6=E5=85=A8=E6=A0=88=E5=BC=80=E5=8F=91=E8=AF=BE?= <32827583+linjie-1@users.noreply.github.com> Date: Mon, 8 Jan 2018 14:44:45 +0800 Subject: [PATCH 04/97] Update README.md --- lesson1/README.md | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/lesson1/README.md b/lesson1/README.md index 551eef2a2..0cf5c09de 100644 --- a/lesson1/README.md +++ b/lesson1/README.md @@ -9,3 +9,8 @@
|--assignment 课程作业提交代码
### 本节知识点 +第1课：智能合约设计初阶-单员工薪酬系统 +- 合约的基本概念和定义 +- Solidity类型系统与传统语言的异同 +- Solidity独特的单位系统 +- 区块链系统全局变量：区块信息，消息 From b3be527fd28388691c3da3880084fc01e7ac24d8 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=E7=A1=85=E8=B0=B7live=C2=B7=E6=99=BA=E8=83=BD=E5=90=88?= =?UTF-8?q?=E7=BA=A6=E5=85=A8=E6=A0=88=E5=BC=80=E5=8F=91=E8=AF=BE?= <32827583+linjie-1@users.noreply.github.com> Date: Mon, 8 Jan 2018 14:50:24 +0800 Subject: [PATCH 05/97] Update README.md --- README.md | 3 +++ 1 file changed, 3 insertions(+) diff --git a/README.md b/README.md index 3027146cc..851b3b47e 100644 --- a/README.md +++ b/README.md @@ -87,3 +87,6 @@ - 刘芳路：负责71-80号，同时在社群“开拓者H战队”担任助教 - 何智华：负责81-90号，同时在社群“开拓者 I 战队”担任助教 - 王鲁明：负责91-100号，同时在社群“开拓者J战队”担任助教 + +## 四、课程表 +![我的课程](https://ws2.sinaimg.cn/large/006tNc79ly1fn97890w5aj30ox085aaf.jpg) From f06e298730be3f0b4330bfe86a8f50e1b1bd6f51 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=E7=A1=85=E8=B0=B7live=C2=B7=E6=99=BA=E8=83=BD=E5=90=88?= =?UTF-8?q?=E7=BA=A6=E5=85=A8=E6=A0=88=E5=BC=80=E5=8F=91=E8=AF=BE?= <32827583+linjie-1@users.noreply.github.com> Date: Mon, 8 Jan 2018 14:52:51 +0800 Subject: [PATCH 06/97] Update README.md --- README.md | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/README.md b/README.md index 851b3b47e..dea42c806 100644 --- a/README.md +++ b/README.md @@ -89,4 +89,4 @@ - 王鲁明：负责91-100号，同时在社群“开拓者J战队”担任助教 ## 四、课程表 -![我的课程](https://ws2.sinaimg.cn/large/006tNc79ly1fn97890w5aj30ox085aaf.jpg) +![我的图片](https://ws2.sinaimg.cn/large/006tNc79ly1fn97890w5aj30ox085aaf.jpg) From b90d86f8f58827f3e35357abf2694c1fd88e4b1c Mon Sep 17 00:00:00 2001 From: Jing Tao Date: Mon, 8 Jan 2018 16:27:11 +0800 Subject: [PATCH 07/97] payroll homework --- payroll.sol | 38 ++++++++++++++++++++++++++++++++++++++ 1 file changed, 38 insertions(+) create mode 100644 payroll.sol diff --git a/payroll.sol b/payroll.sol new file mode 100644 index 000000000..feb91e838 --- /dev/null +++ b/payroll.sol @@ -0,0 +1,38 @@ +pragma solidity ^0.4.14; + +contract payRoll{ + uint salary = 1 ether; + address wallet = 0xca35b7d915458ef540ade6068dfe2f44e8fa733c; + uint constant payDuration = 30 days; + uint lastPayday = now; + + function getWallet() { + wallet = msg.sender; + } + + function addFund() returns (uint) { + return this.balance; + } + + function calculateRunway() returns (uint) { + return this.balance / salary; + } + + function hasEnoughFund() returns (bool) { + return calculateRunway() > 0; + } + + function getPaid() { + if(msg.sender != wallet){ + revert(); + } + + uint nextPayday = lastPayday + payDuration; + if(nextPayday > now){ + revert(); + } + lastPayday = nextPayday; + wallet.transfer(salary); + } + +} \ No newline at end of file From 8512a0cf481d879a67db26c71abee056bb533c52 Mon Sep 17 00:00:00 2001 From: Jing Tao Date: Mon, 8 Jan 2018 16:30:37 +0800 Subject: [PATCH 08/97] remove orginal address --- payroll.sol | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/payroll.sol b/payroll.sol index feb91e838..455d868ab 100644 --- a/payroll.sol +++ b/payroll.sol @@ -2,7 +2,7 @@ pragma solidity ^0.4.14; contract payRoll{ uint salary = 1 ether; - address wallet = 0xca35b7d915458ef540ade6068dfe2f44e8fa733c; + address wallet; uint constant payDuration = 30 days; uint lastPayday = now; From 36dd3f14399d1e356f553b3ffe7b8f397a6d3bfd Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=E6=B5=B7=E7=BD=97=E6=B2=83=E5=BE=B7?= <2727766@sohu.com> Date: Mon, 8 Jan 2018 16:36:47 +0800 Subject: [PATCH 09/97] Update README.md --- README.md | 18 ++++++++++-------- 1 file changed, 10 insertions(+), 8 deletions(-) diff --git a/README.md b/README.md index dea42c806..89e8a3d88 100644 --- a/README.md +++ b/README.md @@ -4,14 +4,16 @@ ### 一、课程如何更新的呢？（以北京时间为准） 每周三、日更新课程，具体安排如下 -- 第一课：1月7号 -- 第二课：1月10号 -- 第三课：1月14号 -- 第四课：1月17号 -- 第五课：1月21号 -- 第六课：1月24号 -- 第七课：1月28号 -- 总答疑：2月4号 +| 日期 | 课程 | +| ------ | ------ | +| 1月7号 | 第一课 《智能合约设计初阶-单员工薪酬系统》| +| 1月10号 | 第二课 | +| 1月14号 | 第三课 | +| 1月17号 | 第四课 | +| 1月21号 | 第五课 | +| 1月24号 | 第六课 | +| 1月28号 | 第七课 | +| 2月4号 | 总答疑 | 每周日上午10点为直播答疑（14、21、28号） From 3dd59cec9796ffb38d811194c6e1ca9814952799 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=E6=B5=B7=E7=BD=97=E6=B2=83=E5=BE=B7?= <2727766@sohu.com> Date: Mon, 8 Jan 2018 16:38:40 +0800 Subject: [PATCH 10/97] Update README.md --- README.md | 1 + 1 file changed, 1 insertion(+) diff --git a/README.md b/README.md index 89e8a3d88..ab067aceb 100644 --- a/README.md +++ b/README.md @@ -4,6 +4,7 @@ ### 一、课程如何更新的呢？（以北京时间为准） 每周三、日更新课程，具体安排如下 + | 日期 | 课程 | | ------ | ------ | | 1月7号 | 第一课 《智能合约设计初阶-单员工薪酬系统》| From 293161aad9071b29da0714750610d83b9c738d1d Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=E7=A1=85=E8=B0=B7live=C2=B7=E6=99=BA=E8=83=BD=E5=90=88?= =?UTF-8?q?=E7=BA=A6=E5=85=A8=E6=A0=88=E5=BC=80=E5=8F=91=E8=AF=BE?= <32827583+linjie-1@users.noreply.github.com> Date: Mon, 8 Jan 2018 17:49:29 +0800 Subject: [PATCH 11/97] Update README.md --- README.md | 12 ++++++------ 1 file changed, 6 insertions(+), 6 deletions(-) diff --git a/README.md b/README.md index ab067aceb..bcd8e5fe0 100644 --- a/README.md +++ b/README.md @@ -8,12 +8,12 @@ | 日期 | 课程 | | ------ | ------ | | 1月7号 | 第一课 《智能合约设计初阶-单员工薪酬系统》| -| 1月10号 | 第二课 | -| 1月14号 | 第三课 | -| 1月17号 | 第四课 | -| 1月21号 | 第五课 | -| 1月24号 | 第六课 | -| 1月28号 | 第七课 | +| 1月10号 | 第二课 《智能合约设计进阶-多员工薪酬系统》| +| 1月14号 | 第三课 《智能合约后端优化和产品化》| +| 1月17号 | 第四课 《使用Truffle架构进行前后端交互，测试，部署》| +| 1月21号 | 第五课 《分布式应用前端产品化》| +| 1月24号 | 第六课 《分布式应用前端产品化-进阶》| +| 1月28号 | 第七课 《智能合约的主网部署》| | 2月4号 | 总答疑 | 每周日上午10点为直播答疑（14、21、28号） From 81bd092b85b966dab96975571d7f5ebc523bd1a0 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=E6=B5=B7=E7=BD=97=E6=B2=83=E5=BE=B7?= <2727766@sohu.com> Date: Mon, 8 Jan 2018 19:24:54 +0800 Subject: [PATCH 12/97] =?UTF-8?q?Delete=20=E6=B5=8B=E8=AF=95?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- "\346\265\213\350\257\225" | 1 - 1 file changed, 1 deletion(-) delete mode 100644 "\346\265\213\350\257\225" diff --git "a/\346\265\213\350\257\225" "b/\346\265\213\350\257\225" deleted file mode 100644 index b2ce87e4a..000000000 --- "a/\346\265\213\350\257\225" +++ /dev/null @@ -1 +0,0 @@ -这是一次测试 From e4e5383d7f0c28f48fe77f285d246685b97e3493 Mon Sep 17 00:00:00 2001 From: lsdlinshunda <923076444@qq.com> Date: Mon, 8 Jan 2018 20:37:19 +0800 Subject: [PATCH 13/97] =?UTF-8?q?=E5=B0=86=E8=AF=BE=E7=A8=8B=E8=A1=A8?= =?UTF-8?q?=E7=9A=84=E5=9B=BE=E7=89=87=E6=9B=BF=E6=8D=A2=E6=88=90markdown?= =?UTF-8?q?=E5=AE=9E=E7=8E=B0?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- README.md | 10 +++++++++- 1 file changed, 9 insertions(+), 1 deletion(-) diff --git a/README.md b/README.md index bcd8e5fe0..0b2fce048 100644 --- a/README.md +++ b/README.md @@ -92,4 +92,12 @@ - 王鲁明：负责91-100号，同时在社群“开拓者J战队”担任助教 ## 四、课程表 -![我的图片](https://ws2.sinaimg.cn/large/006tNc79ly1fn97890w5aj30ox085aaf.jpg) + +北京时间 | 星期一 | 星期二 | 星期三 | 星期四 | 星期五 | 星期六 | 星期天 +:---:|:---:|:---:|:---:|:---:|:---:|:---:|:---:| +09:00 | 鲸打卡 | 鲸打卡 | 鲸打卡 | 鲸打卡 | 鲸打卡 | 鲸打卡 | 鲸打卡 +10:00 | | | | | | live分享会 | 直播答疑 +11:00 | | | 课程更新 | | | | 课程更新 +12:00 | | | 疑难知识点汇总和解析 | | | 疑难知识点汇总和解析 | | +21:00 | 每日复盘 | 每日复盘 | 每日复盘 | 每日复盘 | 每日复盘 | 每日复盘 | 每日复盘 +22:00 | | | 周日课程作业提交 | | 课外知识点拓展 | 周三课程作业提交 | From d60b6b0909cad74b509fe3c429051ec2facaf368 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=E9=99=88=E6=89=AC=E5=B8=86?= Date: Mon, 8 Jan 2018 23:06:07 +0800 Subject: [PATCH 14/97] =?UTF-8?q?=E7=AC=AC=E4=B8=80=E6=AC=A1=E4=BD=9C?= =?UTF-8?q?=E4=B8=9A?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- lesson1/assignment/yours.sol | 50 ++++++++++++++++++++++++++++++++++++ 1 file changed, 50 insertions(+) diff --git a/lesson1/assignment/yours.sol b/lesson1/assignment/yours.sol index dfdb2c486..83de7b206 100644 --- a/lesson1/assignment/yours.sol +++ b/lesson1/assignment/yours.sol @@ -1 +1,51 @@ /*作业请提交在这个目录下*/ +pragma solidity ^0.4.14; + +contract Payroll { + uint constant payDuration = 10 seconds; + + address owner; + uint salary; + address employee; + uint lastPayday; + + function Payroll() { + owner = msg.sender; + } + + function updateEmployee(address e, uint s) { + require(msg.sender == owner); + + if (employee != 0x0) { + uint payment = salary * (now - lastPayday) / payDuration; + employee.transfer(payment); + } + + employee = e; + salary = s * 1 ether; + lastPayday = now; + } + + function addFund() payable returns (uint) { + return this.balance; + } + + function calculateRunway() returns (uint) { + return this.balance / salary; + } + + function hasEnoughFund() returns (bool) { + return calculateRunway() > 0; + } + + function getPaid() { + require(msg.sender == employee); + + uint nextPayday = lastPayday + payDuration; + assert(nextPayday < now); + + lastPayday = nextPayday; + employee.transfer(salary); + } +} + From 901d828a6404ffc9789ccb2ef2ff7c6d150a9d00 Mon Sep 17 00:00:00 2001 From: Sean Xiaowen Zhang Date: Tue, 9 Jan 2018 10:52:54 +0800 Subject: [PATCH 15/97] first homework --- lesson1/assignment/yours.sol | 44 +++++++++++++++++++++++++++++++++++- 1 file changed, 43 insertions(+), 1 deletion(-) diff --git a/lesson1/assignment/yours.sol b/lesson1/assignment/yours.sol index dfdb2c486..96a01a54f 100644 --- a/lesson1/assignment/yours.sol +++ b/lesson1/assignment/yours.sol @@ -1 +1,43 @@ -/*作业请提交在这个目录下*/ + pragma solidity ^0.4.14; + +contract PayRoll { + uint salary = 1 ether; + address frank = 0xca35b7d915458ef540ade6068dfe2f44e8fa733c; + uint constant duration = 10 seconds; + uint lastpayday = now; + + function addFund() payable returns (uint) { + return this.balance; + } + + function calculateRunway() returns (uint) { + return this.balance / salary; + } + + function hasEnoughfund() returns (bool) { + return calculateRunway() > 0; + } + + function getPaid() { + if(msg.sender != frank) { + revert(); + } + uint nextPayday = lastpayday + duration; + if (nextPayday >= now) { + revert(); + } + lastpayday = nextPayday; + frank.transfer(salary); + } + + function changeAddress() { + frank = msg.sender; + } + + function changeSalary() { + if (msg.value <= 0) { + revert(); + } + salary = msg.value; + } +} From db44ac5caac8f8546da0e69d5ecd31b48416457c Mon Sep 17 00:00:00 2001 From: Sean Xiaowen Zhang Date: Tue, 9 Jan 2018 11:00:57 +0800 Subject: [PATCH 16/97] Revert "first homework" This reverts commit 901d828a6404ffc9789ccb2ef2ff7c6d150a9d00. --- lesson1/assignment/yours.sol | 44 +----------------------------------- 1 file changed, 1 insertion(+), 43 deletions(-) diff --git a/lesson1/assignment/yours.sol b/lesson1/assignment/yours.sol index 96a01a54f..dfdb2c486 100644 --- a/lesson1/assignment/yours.sol +++ b/lesson1/assignment/yours.sol @@ -1,43 +1 @@ - pragma solidity ^0.4.14; - -contract PayRoll { - uint salary = 1 ether; - address frank = 0xca35b7d915458ef540ade6068dfe2f44e8fa733c; - uint constant duration = 10 seconds; - uint lastpayday = now; - - function addFund() payable returns (uint) { - return this.balance; - } - - function calculateRunway() returns (uint) { - return this.balance / salary; - } - - function hasEnoughfund() returns (bool) { - return calculateRunway() > 0; - } - - function getPaid() { - if(msg.sender != frank) { - revert(); - } - uint nextPayday = lastpayday + duration; - if (nextPayday >= now) { - revert(); - } - lastpayday = nextPayday; - frank.transfer(salary); - } - - function changeAddress() { - frank = msg.sender; - } - - function changeSalary() { - if (msg.value <= 0) { - revert(); - } - salary = msg.value; - } -} +/*作业请提交在这个目录下*/ From 7952c085a5c1a916ded75fe6b854dfc27217eb0e Mon Sep 17 00:00:00 2001 From: BitEveryXW Date: Mon, 8 Jan 2018 22:50:56 -0500 Subject: [PATCH 17/97] =?UTF-8?q?=E7=AC=AC=E4=B8=80=E6=AC=A1=E4=BD=9C?= =?UTF-8?q?=E4=B8=9A?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- lesson1/assignment/yours.sol | 42 ++++++++++++++++++++++++++++++++++++ 1 file changed, 42 insertions(+) diff --git a/lesson1/assignment/yours.sol b/lesson1/assignment/yours.sol index dfdb2c486..e004936a3 100644 --- a/lesson1/assignment/yours.sol +++ b/lesson1/assignment/yours.sol @@ -1 +1,43 @@ /*作业请提交在这个目录下*/ +pragma solidity ^0.4.14; +contract PayrollTest{ + uint salary; + address employee; + uint constant payDuration = 10 seconds; + uint lastPayday = now; + + function addFund() payable returns (uint){ + return this.balance; + } + + function changeAddress(address e){ + employee = e; + + } + + function changeSalary(uint s){ + salary = s * 1 ether; + + } + + function calculateRunway() returns (uint){ + return this.balance / salary; + } + + function hasEnoughFund() returns (bool){ + return calculateRunway() > 0; + } + + function getPaid() { + if (msg.sender != employee){ + revert(); + } + uint nextPayDay = lastPayday + payDuration; + if ( nextPayDay > now){ + revert(); + } + + lastPayday = nextPayDay; + employee.transfer(salary); + } +} \ No newline at end of file From 27587f656d86904030f669bca80ca7d82887f3c4 Mon Sep 17 00:00:00 2001 From: Zhao Jin Date: Mon, 8 Jan 2018 23:56:49 -0500 Subject: [PATCH 18/97] =?UTF-8?q?Create=20=E7=AC=AC=E4=B8=80=E8=AF=BE?= =?UTF-8?q?=E4=BD=9C=E4=B8=9A?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- "\347\254\254\344\270\200\350\257\276\344\275\234\344\270\232" | 1 + 1 file changed, 1 insertion(+) create mode 100644 "\347\254\254\344\270\200\350\257\276\344\275\234\344\270\232" diff --git "a/\347\254\254\344\270\200\350\257\276\344\275\234\344\270\232" "b/\347\254\254\344\270\200\350\257\276\344\275\234\344\270\232" new file mode 100644 index 000000000..9daeafb98 --- /dev/null +++ "b/\347\254\254\344\270\200\350\257\276\344\275\234\344\270\232" @@ -0,0 +1 @@ +test From 04d95b48d6a49b5b5ef4c6b524c735f94938a21e Mon Sep 17 00:00:00 2001 From: Zhao Jin Date: Tue, 9 Jan 2018 00:00:56 -0500 Subject: [PATCH 19/97] =?UTF-8?q?Delete=20=E7=AC=AC=E4=B8=80=E8=AF=BE?= =?UTF-8?q?=E4=BD=9C=E4=B8=9A?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- "\347\254\254\344\270\200\350\257\276\344\275\234\344\270\232" | 1 - 1 file changed, 1 deletion(-) delete mode 100644 "\347\254\254\344\270\200\350\257\276\344\275\234\344\270\232" diff --git "a/\347\254\254\344\270\200\350\257\276\344\275\234\344\270\232" "b/\347\254\254\344\270\200\350\257\276\344\275\234\344\270\232" deleted file mode 100644 index 9daeafb98..000000000 --- "a/\347\254\254\344\270\200\350\257\276\344\275\234\344\270\232" +++ /dev/null @@ -1 +0,0 @@ -test From 3040b06af01321bcf8d57fc1e622407a7243a5c7 Mon Sep 17 00:00:00 2001 From: Zhao Jin Date: Tue, 9 Jan 2018 00:02:27 -0500 Subject: [PATCH 20/97] Update yours.sol --- lesson1/assignment/yours.sol | 48 ++++++++++++++++++++++++++++++++++++ 1 file changed, 48 insertions(+) diff --git a/lesson1/assignment/yours.sol b/lesson1/assignment/yours.sol index dfdb2c486..09cfb4c8e 100644 --- a/lesson1/assignment/yours.sol +++ b/lesson1/assignment/yours.sol @@ -1 +1,49 @@ /*作业请提交在这个目录下*/ +/*金昭作业*/ +pragma solidity ^0.4.14; + +contract Payroll { + // change address and salary + + uint salary ; + address frank ; + + uint constant payDuration = 10 seconds; + uint lastPayday = now; + + function setSalary (uint m) { + salary = m; + } + + function setAddress(address a) { + frank = a; + } + + function addFund () payable returns (uint){ + return this.balance; + } + + function calculateRunway() returns (uint){ + return this.balance / salary; + } + + function hasEnoughFund() returns (bool){ + return calculateRunway() > 0; + } + + function getPaid() { + if (msg.sender != frank) { + revert(); + } + + uint nextPayday = lastPayday + payDuration; + if ( nextPayday > now) { + revert(); + } + // the order matters + lastPayday = nextPayday; + frank.transfer(salary); + + } + +} From 503a54ab2655a1f48a97db6fe48fb348190d99e1 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=E9=99=88=E6=89=AC=E5=B8=86?= Date: Tue, 9 Jan 2018 22:18:35 +0800 Subject: [PATCH 21/97] =?UTF-8?q?=E6=8B=86=E5=88=86=E5=87=BD=E6=95=B0?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- lesson1/assignment/yours.sol | 13 ++++++++++--- 1 file changed, 10 insertions(+), 3 deletions(-) diff --git a/lesson1/assignment/yours.sol b/lesson1/assignment/yours.sol index 83de7b206..0212d6b99 100644 --- a/lesson1/assignment/yours.sol +++ b/lesson1/assignment/yours.sol @@ -8,12 +8,20 @@ contract Payroll { uint salary; address employee; uint lastPayday; + function Payroll() { owner = msg.sender; } - function updateEmployee(address e, uint s) { + + function updateEmployee(address e) { + require(msg.sender == owner); + + employee = e; + } + + function updateSalary(uint s) { require(msg.sender == owner); if (employee != 0x0) { @@ -21,12 +29,12 @@ contract Payroll { employee.transfer(payment); } - employee = e; salary = s * 1 ether; lastPayday = now; } function addFund() payable returns (uint) { + return this.balance; } @@ -48,4 +56,3 @@ contract Payroll { employee.transfer(salary); } } - From 371670a28b96d4ed808b3da80f2d6bc2d54ccdc5 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=E9=99=88=E6=89=AC=E5=B8=86?= Date: Tue, 9 Jan 2018 22:21:02 +0800 Subject: [PATCH 22/97] . --- lesson1/assignment/yours.sol | 1 - 1 file changed, 1 deletion(-) diff --git a/lesson1/assignment/yours.sol b/lesson1/assignment/yours.sol index 0212d6b99..06fa52419 100644 --- a/lesson1/assignment/yours.sol +++ b/lesson1/assignment/yours.sol @@ -9,7 +9,6 @@ contract Payroll { address employee; uint lastPayday; - function Payroll() { owner = msg.sender; } From da27d339d1810d6a319b63de701181d40cdaaaf5 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=E9=99=88=E6=89=AC=E5=B8=86?= Date: Tue, 9 Jan 2018 22:25:29 +0800 Subject: [PATCH 23/97] . --- lesson1/assignment/yours.sol | 1 - 1 file changed, 1 deletion(-) diff --git a/lesson1/assignment/yours.sol b/lesson1/assignment/yours.sol index 06fa52419..a6d58e3d1 100644 --- a/lesson1/assignment/yours.sol +++ b/lesson1/assignment/yours.sol @@ -33,7 +33,6 @@ contract Payroll { } function addFund() payable returns (uint) { - return this.balance; } From ce541bd70107aef26f66578dde2fc276118f36b6 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=E9=99=88=E6=89=AC=E5=B8=86?= Date: Wed, 10 Jan 2018 00:13:12 +0800 Subject: [PATCH 24/97] =?UTF-8?q?=E4=BC=98=E5=8C=96?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- lesson1/assignment/yours.sol | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/lesson1/assignment/yours.sol b/lesson1/assignment/yours.sol index a6d58e3d1..d8fdd73ae 100644 --- a/lesson1/assignment/yours.sol +++ b/lesson1/assignment/yours.sol @@ -37,7 +37,8 @@ contract Payroll { } function calculateRunway() returns (uint) { - return this.balance / salary; + uint payment = salary * (now - lastPayday) / payDuration; + return this.balance / payment; } function hasEnoughFund() returns (bool) { From 1d31ebb1e893896e7ee1a34d33b1e14cc41a1e43 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=E7=A1=85=E8=B0=B7live=C2=B7=E6=99=BA=E8=83=BD=E5=90=88?= =?UTF-8?q?=E7=BA=A6=E5=85=A8=E6=A0=88=E5=BC=80=E5=8F=91=E8=AF=BE?= <32827583+linjie-1@users.noreply.github.com> Date: Wed, 10 Jan 2018 11:27:35 +0800 Subject: [PATCH 25/97] Update README.md --- README.md | 3 +-- 1 file changed, 1 insertion(+), 2 deletions(-) diff --git a/README.md b/README.md index 0b2fce048..8b2087138 100644 --- a/README.md +++ b/README.md @@ -1,5 +1,4 @@ -# 老董区块链干货铺 -硅谷live以太坊智能合约频道官方地址 +# 硅谷live以太坊智能合约频道官方地址 ### 一、课程如何更新的呢？（以北京时间为准） From d64d000717a03742c3ff223e8b91f23d1bb6ff48 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=E7=A1=85=E8=B0=B7live=C2=B7=E6=99=BA=E8=83=BD=E5=90=88?= =?UTF-8?q?=E7=BA=A6=E5=85=A8=E6=A0=88=E5=BC=80=E5=8F=91=E8=AF=BE?= <32827583+linjie-1@users.noreply.github.com> Date: Wed, 10 Jan 2018 11:28:59 +0800 Subject: [PATCH 26/97] Update README.md --- lesson1/README.md | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/lesson1/README.md b/lesson1/README.md index 0cf5c09de..3fca9c7a5 100644 --- a/lesson1/README.md +++ b/lesson1/README.md @@ -1,4 +1,4 @@ -## 老董区块链干货铺 +## 硅谷live以太坊智能合约频道官方地址 ### 第一课《智能合约设计初阶-单员工薪酬系统》 From c30b7c53e24acf1413e6cb4f89be956f35c7bd4c Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=E7=A1=85=E8=B0=B7live=C2=B7=E6=99=BA=E8=83=BD=E5=90=88?= =?UTF-8?q?=E7=BA=A6=E5=85=A8=E6=A0=88=E5=BC=80=E5=8F=91=E8=AF=BE?= <32827583+linjie-1@users.noreply.github.com> Date: Wed, 10 Jan 2018 11:59:34 +0800 Subject: [PATCH 27/97] Update README.md --- lesson1/assignment/README.md | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/lesson1/assignment/README.md b/lesson1/assignment/README.md index 32284913c..d5af2179c 100644 --- a/lesson1/assignment/README.md +++ b/lesson1/assignment/README.md @@ -1,4 +1,4 @@ -## 老董区块链干货铺 第一课作业 +## 硅谷live以太坊智能合约 第一课作业 这里是同学提交作业的目录 ### 第一课：课后作业 From b8802e3dc0948a1a86cbea6633e5e51a418626c8 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=E7=A1=85=E8=B0=B7live=C2=B7=E6=99=BA=E8=83=BD=E5=90=88?= =?UTF-8?q?=E7=BA=A6=E5=85=A8=E6=A0=88=E5=BC=80=E5=8F=91=E8=AF=BE?= <32827583+linjie-1@users.noreply.github.com> Date: Wed, 10 Jan 2018 12:00:05 +0800 Subject: [PATCH 28/97] Update README.md --- lesson1/orgin/README.md | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/lesson1/orgin/README.md b/lesson1/orgin/README.md index 9473697c8..72ec761a6 100644 --- a/lesson1/orgin/README.md +++ b/lesson1/orgin/README.md @@ -1,3 +1,3 @@ -## 老董区块链干货铺 第一课《智能合约设计初阶-单员工薪酬系统》 +## 硅谷live以太坊智能合约 第一课《智能合约设计初阶-单员工薪酬系统》 这里是每一课的初始代码，有需要的同学可以参考 From 46f2a720b93a6a5c2377daa6ce52031c7f2e0e0e Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=E7=A1=85=E8=B0=B7live=C2=B7=E6=99=BA=E8=83=BD=E5=90=88?= =?UTF-8?q?=E7=BA=A6=E5=85=A8=E6=A0=88=E5=BC=80=E5=8F=91=E8=AF=BE?= <32827583+linjie-1@users.noreply.github.com> Date: Wed, 10 Jan 2018 12:08:41 +0800 Subject: [PATCH 29/97] Create README.md --- Lesson2/assignment/README.md | 1 + 1 file changed, 1 insertion(+) create mode 100644 Lesson2/assignment/README.md diff --git a/Lesson2/assignment/README.md b/Lesson2/assignment/README.md new file mode 100644 index 000000000..5bd2bea7f --- /dev/null +++ b/Lesson2/assignment/README.md @@ -0,0 +1 @@ +## 硅谷live From b6414d5304a15e4fe327bd69bff6a25ed071d11b Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=E7=A1=85=E8=B0=B7live=C2=B7=E6=99=BA=E8=83=BD=E5=90=88?= =?UTF-8?q?=E7=BA=A6=E5=85=A8=E6=A0=88=E5=BC=80=E5=8F=91=E8=AF=BE?= <32827583+linjie-1@users.noreply.github.com> Date: Wed, 10 Jan 2018 12:10:21 +0800 Subject: [PATCH 30/97] Create README.md --- Lesson2/orgin/README.md | 1 + 1 file changed, 1 insertion(+) create mode 100644 Lesson2/orgin/README.md diff --git a/Lesson2/orgin/README.md b/Lesson2/orgin/README.md new file mode 100644 index 000000000..358a434de --- /dev/null +++ b/Lesson2/orgin/README.md @@ -0,0 +1 @@ +## 硅谷live以太坊智能合约 第一课《智能合约设计初阶-单员工薪酬系统》 From 6a024e5816bbfd89565c8c18b5b6a45cd5f2dfc5 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=E7=A1=85=E8=B0=B7live=C2=B7=E6=99=BA=E8=83=BD=E5=90=88?= =?UTF-8?q?=E7=BA=A6=E5=85=A8=E6=A0=88=E5=BC=80=E5=8F=91=E8=AF=BE?= <32827583+linjie-1@users.noreply.github.com> Date: Wed, 10 Jan 2018 12:52:21 +0800 Subject: [PATCH 31/97] Update README.md --- Lesson2/orgin/README.md | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/Lesson2/orgin/README.md b/Lesson2/orgin/README.md index 358a434de..5a171c6d8 100644 --- a/Lesson2/orgin/README.md +++ b/Lesson2/orgin/README.md @@ -1 +1 @@ -## 硅谷live以太坊智能合约 第一课《智能合约设计初阶-单员工薪酬系统》 +## 硅谷live以太坊智能合约 第二课《智能合约设计进阶-多员工薪酬系统》 From 1452883a574af2248abb45f653f7d3da34d13931 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=E7=A1=85=E8=B0=B7live=C2=B7=E6=99=BA=E8=83=BD=E5=90=88?= =?UTF-8?q?=E7=BA=A6=E5=85=A8=E6=A0=88=E5=BC=80=E5=8F=91=E8=AF=BE?= <32827583+linjie-1@users.noreply.github.com> Date: Wed, 10 Jan 2018 12:55:51 +0800 Subject: [PATCH 32/97] Create README.md --- Lesson2/README.md | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) create mode 100644 Lesson2/README.md diff --git a/Lesson2/README.md b/Lesson2/README.md new file mode 100644 index 000000000..1fdc5b30b --- /dev/null +++ b/Lesson2/README.md @@ -0,0 +1,16 @@ +## 硅谷live以太坊智能合约频道官方地址 + +### 第二课《智能合约设计进阶-多员工薪酬系统》 + +目录结构 +
| +
|--orgin 课程初始代码 +
| +
|--assignment 课程作业提交代码 +
+### 本节知识点 +第2课：智能合约设计进阶-多员工薪酬系统 +- 动态静态数组的不同 +- 函数输入参数检查 revert +- 循环与遍历的安全性 +- 程序运行错误检查和容错：assert与require From 2b8da80c74520f3e3164989e772cf03e8fa05148 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=E7=A1=85=E8=B0=B7live=C2=B7=E6=99=BA=E8=83=BD=E5=90=88?= =?UTF-8?q?=E7=BA=A6=E5=85=A8=E6=A0=88=E5=BC=80=E5=8F=91=E8=AF=BE?= <32827583+linjie-1@users.noreply.github.com> Date: Wed, 10 Jan 2018 13:01:16 +0800 Subject: [PATCH 33/97] Update README.md --- Lesson2/assignment/README.md | 11 ++++++++++- 1 file changed, 10 insertions(+), 1 deletion(-) diff --git a/Lesson2/assignment/README.md b/Lesson2/assignment/README.md index 5bd2bea7f..a1fa2d047 100644 --- a/Lesson2/assignment/README.md +++ b/Lesson2/assignment/README.md @@ -1 +1,10 @@ -## 硅谷live +## 硅谷live以太坊智能合约 第二课作业 +这里是同学提交作业的目录 + +### 第二课：课后作业 +完成今天的智能合约添加100ETH到合约中 +- 加入十个员工，每个员工的薪水都是1ETH +每次加入一个员工后调用calculateRunway这个函数，并且记录消耗的gas是多少？Gas变化么？如果有 为什么？ +- 如何优化calculateRunway这个函数来减少gas的消耗？ +提交：智能合约代码，gas变化的记录，calculateRunway函数的优化 + From f98dcabf4b313292a11c157d12b8a9cd98e84977 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=E7=A1=85=E8=B0=B7live=C2=B7=E6=99=BA=E8=83=BD=E5=90=88?= =?UTF-8?q?=E7=BA=A6=E5=85=A8=E6=A0=88=E5=BC=80=E5=8F=91=E8=AF=BE?= <32827583+linjie-1@users.noreply.github.com> Date: Wed, 10 Jan 2018 13:04:04 +0800 Subject: [PATCH 34/97] Create yours.sol --- Lesson2/ assignment/yours.sol | 1 + 1 file changed, 1 insertion(+) create mode 100644 Lesson2/ assignment/yours.sol diff --git a/Lesson2/ assignment/yours.sol b/Lesson2/ assignment/yours.sol new file mode 100644 index 000000000..dfdb2c486 --- /dev/null +++ b/Lesson2/ assignment/yours.sol @@ -0,0 +1 @@ +/*作业请提交在这个目录下*/ From 529ef5a5d8e356273f06697763270606e236f564 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=E7=A1=85=E8=B0=B7live=C2=B7=E6=99=BA=E8=83=BD=E5=90=88?= =?UTF-8?q?=E7=BA=A6=E5=85=A8=E6=A0=88=E5=BC=80=E5=8F=91=E8=AF=BE?= <32827583+linjie-1@users.noreply.github.com> Date: Wed, 10 Jan 2018 13:20:00 +0800 Subject: [PATCH 35/97] Update README.md --- Lesson2/orgin/README.md | 2 ++ 1 file changed, 2 insertions(+) diff --git a/Lesson2/orgin/README.md b/Lesson2/orgin/README.md index 5a171c6d8..0309d947c 100644 --- a/Lesson2/orgin/README.md +++ b/Lesson2/orgin/README.md @@ -1 +1,3 @@ ## 硅谷live以太坊智能合约 第二课《智能合约设计进阶-多员工薪酬系统》 + +这里是每一课的初始代码，有需要的同学可以参考 From 39b2136acc417f87da463ab370d0375b30ccb143 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=E7=A1=85=E8=B0=B7live=C2=B7=E6=99=BA=E8=83=BD=E5=90=88?= =?UTF-8?q?=E7=BA=A6=E5=85=A8=E6=A0=88=E5=BC=80=E5=8F=91=E8=AF=BE?= <32827583+linjie-1@users.noreply.github.com> Date: Wed, 10 Jan 2018 13:23:12 +0800 Subject: [PATCH 36/97] Delete yours.sol --- Lesson2/ assignment/yours.sol | 1 - 1 file changed, 1 deletion(-) delete mode 100644 Lesson2/ assignment/yours.sol diff --git a/Lesson2/ assignment/yours.sol b/Lesson2/ assignment/yours.sol deleted file mode 100644 index dfdb2c486..000000000 --- a/Lesson2/ assignment/yours.sol +++ /dev/null @@ -1 +0,0 @@ -/*作业请提交在这个目录下*/ From a298b9226d2aa90c76a705180db1407f02841bf3 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=E7=A1=85=E8=B0=B7live=C2=B7=E6=99=BA=E8=83=BD=E5=90=88?= =?UTF-8?q?=E7=BA=A6=E5=85=A8=E6=A0=88=E5=BC=80=E5=8F=91=E8=AF=BE?= <32827583+linjie-1@users.noreply.github.com> Date: Wed, 10 Jan 2018 13:26:15 +0800 Subject: [PATCH 37/97] Create yours.sol --- Lesson2/ assignment/yours.sol | 1 + 1 file changed, 1 insertion(+) create mode 100644 Lesson2/ assignment/yours.sol diff --git a/Lesson2/ assignment/yours.sol b/Lesson2/ assignment/yours.sol new file mode 100644 index 000000000..dfdb2c486 --- /dev/null +++ b/Lesson2/ assignment/yours.sol @@ -0,0 +1 @@ +/*作业请提交在这个目录下*/ From 65f8dc3819d4ea76a75f3b9b1e8a8fddcdc6b53b Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=E7=A1=85=E8=B0=B7live=C2=B7=E6=99=BA=E8=83=BD=E5=90=88?= =?UTF-8?q?=E7=BA=A6=E5=85=A8=E6=A0=88=E5=BC=80=E5=8F=91=E8=AF=BE?= <32827583+linjie-1@users.noreply.github.com> Date: Wed, 10 Jan 2018 13:26:56 +0800 Subject: [PATCH 38/97] Delete yours.sol --- Lesson2/ assignment/yours.sol | 1 - 1 file changed, 1 deletion(-) delete mode 100644 Lesson2/ assignment/yours.sol diff --git a/Lesson2/ assignment/yours.sol b/Lesson2/ assignment/yours.sol deleted file mode 100644 index dfdb2c486..000000000 --- a/Lesson2/ assignment/yours.sol +++ /dev/null @@ -1 +0,0 @@ -/*作业请提交在这个目录下*/ From 758a32485c4a117a4d4e5d73614a3a5d11d5e4b3 Mon Sep 17 00:00:00 2001 From: Shunda <923076444@qq.com> Date: Wed, 10 Jan 2018 14:07:37 +0800 Subject: [PATCH 39/97] Create yours.sol --- Lesson2/assignment/yours.sol | 1 + 1 file changed, 1 insertion(+) create mode 100644 Lesson2/assignment/yours.sol diff --git a/Lesson2/assignment/yours.sol b/Lesson2/assignment/yours.sol new file mode 100644 index 000000000..dfdb2c486 --- /dev/null +++ b/Lesson2/assignment/yours.sol @@ -0,0 +1 @@ +/*作业请提交在这个目录下*/ From 602f1c1f15deb81ed0b38145028080582349ac29 Mon Sep 17 00:00:00 2001 From: zl777 <365655478@qq.com> Date: Wed, 10 Jan 2018 15:48:57 +0800 Subject: [PATCH 40/97] Update yours.sol MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit 第一次提交作业 错误的地方请老师 指教 --- lesson1/assignment/yours.sol | 47 ++++++++++++++++++++++++++++++++++++ 1 file changed, 47 insertions(+) diff --git a/lesson1/assignment/yours.sol b/lesson1/assignment/yours.sol index dfdb2c486..5f242f2cf 100644 --- a/lesson1/assignment/yours.sol +++ b/lesson1/assignment/yours.sol @@ -1 +1,48 @@ /*作业请提交在这个目录下*/ +pragma solidity ^0.4.14; +contract Payroll { +uint constant payDuration =10 seconds; +address owner; +uint salary; +address employee; +unit lastPayday; +} + +function Payroll() { + owner = msg.sender; + } + funtion updateEmployee(address e, unit s) { + require(msg.sender == owner); + + if（employee != 0x0)） { + uint payment = salary * (now - lastPayday) / payDuration; + employee.transfer(payment); + } + employee = e; + salary = s* 1 ether; + lastPayday= now; + } + funtion addFund() payable returns (uint) { + return this.balance; + } + funtion calcuatateRunway() returns (uint) { + returns this.balance / salary; + } + function hasEncoughFund() returns (boll) { + return calulateRunway(）> 0; + } + function getPaid() { + require(msg.sender == employee); + + uint nextPayday = lastPayday + payDuration; + assert(nextPayday < now); + + lastPayday = nextPday; + employee.transfer(salary); + } + + + + + + From 5483f5eb40ca3911bc17cfad191961e28a53ab1d Mon Sep 17 00:00:00 2001 From: Mo Dong Date: Wed, 10 Jan 2018 00:26:24 -0800 Subject: [PATCH 41/97] lesson 2 --- Lesson2/orgin/payroll.sol | 50 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 50 insertions(+) create mode 100644 Lesson2/orgin/payroll.sol diff --git a/Lesson2/orgin/payroll.sol b/Lesson2/orgin/payroll.sol new file mode 100644 index 000000000..62e380e4c --- /dev/null +++ b/Lesson2/orgin/payroll.sol @@ -0,0 +1,50 @@ +pragma solidity ^0.4.14; + +contract Payroll { + struct Employee { + address id; + uint salary; + uint lastPayday; + } + + uint constant payDuration = 10 seconds; + + address owner; + Employee[] employees; + + function Payroll() { + owner = msg.sender; + } + + function _partialPaid(Employee employee) private { + } + + function _findEmployee(address employeeId) private returns (Employee, uint) { + } + + function addEmployee(address employeeId, uint salary) { + } + + function removeEmployee(address employeeId) { + } + + function updateEmployee(address employeeId, uint salary) { + } + + function addFund() payable returns (uint) { + } + + function calculateRunway() returns (uint) { + uint totalSalary = 0; + for (uint i = 0; i < employees.length; i++) { + totalSalary += employees[i].salary; + } + return this.balance / totalSalary; + } + + function hasEnoughFund() returns (bool) { + } + + function getPaid() { + } +} From 3af7f4f0f1bbd8ddee6b61562f97fb21e66da25d Mon Sep 17 00:00:00 2001 From: lsdlinshunda <923076444@qq.com> Date: Wed, 10 Jan 2018 22:39:10 +0800 Subject: [PATCH 42/97] =?UTF-8?q?=E8=B0=83=E6=95=B4=E8=AF=BE=E7=A8=8B?= =?UTF-8?q?=E8=A1=A8=E4=B8=AD=E8=AF=BE=E7=A8=8B=E6=9B=B4=E6=96=B0=E6=97=B6?= =?UTF-8?q?=E9=97=B4?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- README.md | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) diff --git a/README.md b/README.md index 8b2087138..5f0a78155 100644 --- a/README.md +++ b/README.md @@ -96,7 +96,7 @@ :---:|:---:|:---:|:---:|:---:|:---:|:---:|:---:| 09:00 | 鲸打卡 | 鲸打卡 | 鲸打卡 | 鲸打卡 | 鲸打卡 | 鲸打卡 | 鲸打卡 10:00 | | | | | | live分享会 | 直播答疑 -11:00 | | | 课程更新 | | | | 课程更新 +11:00 | | | | | | | 课程更新 12:00 | | | 疑难知识点汇总和解析 | | | 疑难知识点汇总和解析 | | 21:00 | 每日复盘 | 每日复盘 | 每日复盘 | 每日复盘 | 每日复盘 | 每日复盘 | 每日复盘 -22:00 | | | 周日课程作业提交 | | 课外知识点拓展 | 周三课程作业提交 | +22:00 | | | 周日课程作业截止/
课程更新 | | 课外知识点拓展 | 周三课程作业截止 | From 9ee0a7b221356f4289b1e44e4543c2a56bf44e98 Mon Sep 17 00:00:00 2001 From: BitEveryXW Date: Fri, 12 Jan 2018 00:36:59 -0500 Subject: [PATCH 43/97] =?UTF-8?q?=E7=AC=AC=E4=B8=80=E6=AC=A1=E4=BD=9C?= =?UTF-8?q?=E4=B8=9A=20=E7=AC=AC=E4=BA=8C=E6=AC=A1=E6=8F=90=E4=BA=A4=20@1/?= =?UTF-8?q?12/18?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- lesson1/assignment/yours.sol | 36 ++++++++++++++++++++++++++---------- 1 file changed, 26 insertions(+), 10 deletions(-) diff --git a/lesson1/assignment/yours.sol b/lesson1/assignment/yours.sol index e004936a3..af348e019 100644 --- a/lesson1/assignment/yours.sol +++ b/lesson1/assignment/yours.sol @@ -1,23 +1,37 @@ -/*作业请提交在这个目录下*/ pragma solidity ^0.4.14; -contract PayrollTest{ - uint salary; - address employee; +contract Payroll{ + uint salary = 1 ether; + address employer ; + address employee ; uint constant payDuration = 10 seconds; uint lastPayday = now; - function addFund() payable returns (uint){ - return this.balance; + function Payroll(){ + employer = msg.sender; } - function changeAddress(address e){ - employee = e; - + function payBalance(){ + if (employee != 0){ + uint payment = salary * (now-lastPayday)/payDuration; + employee.transfer(payment); + } + } + + function changeEmployee(address e){ + require(msg.sender == employer); + payBalance(); + employee = e; + lastPayday = now; } function changeSalary(uint s){ + require(msg.sender == employer); + payBalance(); salary = s * 1 ether; - + } + + function addFund() payable returns (uint){ + return this.balance; } function calculateRunway() returns (uint){ @@ -32,7 +46,9 @@ contract PayrollTest{ if (msg.sender != employee){ revert(); } + uint nextPayDay = lastPayday + payDuration; + if ( nextPayDay > now){ revert(); } From e164779d3f1beec4874466cb14b4e590974d8940 Mon Sep 17 00:00:00 2001 From: BitEveryXW <34701428+BitEveryXW@users.noreply.github.com> Date: Fri, 12 Jan 2018 00:38:45 -0500 Subject: [PATCH 44/97] Revert "Xw dev" --- lesson1/assignment/yours.sol | 60 +----------------------------------- 1 file changed, 1 insertion(+), 59 deletions(-) diff --git a/lesson1/assignment/yours.sol b/lesson1/assignment/yours.sol index af348e019..dfdb2c486 100644 --- a/lesson1/assignment/yours.sol +++ b/lesson1/assignment/yours.sol @@ -1,59 +1 @@ -pragma solidity ^0.4.14; -contract Payroll{ - uint salary = 1 ether; - address employer ; - address employee ; - uint constant payDuration = 10 seconds; - uint lastPayday = now; - - function Payroll(){ - employer = msg.sender; - } - - function payBalance(){ - if (employee != 0){ - uint payment = salary * (now-lastPayday)/payDuration; - employee.transfer(payment); - } - } - - function changeEmployee(address e){ - require(msg.sender == employer); - payBalance(); - employee = e; - lastPayday = now; - } - - function changeSalary(uint s){ - require(msg.sender == employer); - payBalance(); - salary = s * 1 ether; - } - - function addFund() payable returns (uint){ - return this.balance; - } - - function calculateRunway() returns (uint){ - return this.balance / salary; - } - - function hasEnoughFund() returns (bool){ - return calculateRunway() > 0; - } - - function getPaid() { - if (msg.sender != employee){ - revert(); - } - - uint nextPayDay = lastPayday + payDuration; - - if ( nextPayDay > now){ - revert(); - } - - lastPayday = nextPayDay; - employee.transfer(salary); - } -} \ No newline at end of file +/*作业请提交在这个目录下*/ From 10b864f3bea55507292062052978ff96b02ed2bd Mon Sep 17 00:00:00 2001 From: Zhao Jin Date: Fri, 12 Jan 2018 11:10:03 -0500 Subject: [PATCH 45/97] =?UTF-8?q?=E6=A0=B9=E6=8D=AE=E8=A6=81=E6=B1=82?= =?UTF-8?q?=E5=8A=A0=E4=BA=86require=20=E5=87=BD=E6=95=B0=EF=BC=8C=20?= =?UTF-8?q?=E5=B9=B6=E6=9B=B4=E6=96=B0=E4=BA=86=E6=BA=90=E4=BB=A3=E7=A0=81?= =?UTF-8?q?=E7=9A=84=E5=9F=BA=E6=9C=ACfunction=E3=80=82=20=E8=BF=98?= =?UTF-8?q?=E8=AF=B7=E8=80=81=E5=B8=88=E5=9C=A8=E7=9C=8B=E4=B8=8B~?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- lesson1/assignment/yours.sol | 58 ++++++++++++++++++++++-------------- 1 file changed, 35 insertions(+), 23 deletions(-) diff --git a/lesson1/assignment/yours.sol b/lesson1/assignment/yours.sol index 09cfb4c8e..7900b6125 100644 --- a/lesson1/assignment/yours.sol +++ b/lesson1/assignment/yours.sol @@ -1,49 +1,61 @@ -/*作业请提交在这个目录下*/ -/*金昭作业*/ pragma solidity ^0.4.14; contract Payroll { - // change address and salary - - uint salary ; - address frank ; - uint constant payDuration = 10 seconds; - uint lastPayday = now; + + address owner; + uint salary; + address employee; + uint lastPayday; function setSalary (uint m) { + require(msg.sender == owner); salary = m; } - function setAddress(address a) { - frank = a; + function setAddress(address e) { + + require(msg.sender == owner); + employee = e; + + } + + function Payroll() { + owner = msg.sender; } - function addFund () payable returns (uint){ + function updateEmployee(address e, uint s) { + require(msg.sender == owner); + + if (employee != 0x0) { + uint payment = salary * (now - lastPayday) / payDuration; + employee.transfer(payment); + } + + employee = e; + salary = s * 1 ether; + lastPayday = now; + } + + function addFund() payable returns (uint) { return this.balance; } - function calculateRunway() returns (uint){ + function calculateRunway() returns (uint) { return this.balance / salary; } - function hasEnoughFund() returns (bool){ + function hasEnoughFund() returns (bool) { return calculateRunway() > 0; } function getPaid() { - if (msg.sender != frank) { - revert(); - } + require(msg.sender == employee); uint nextPayday = lastPayday + payDuration; - if ( nextPayday > now) { - revert(); - } - // the order matters - lastPayday = nextPayday; - frank.transfer(salary); + assert(nextPayday < now); + lastPayday = nextPayday; + employee.transfer(salary); } - } From 60f2dcd41053ad73cdbb92897a09bad7872fa6b4 Mon Sep 17 00:00:00 2001 From: Zhao Jin Date: Fri, 12 Jan 2018 11:13:04 -0500 Subject: [PATCH 46/97] update --- lesson1/orgin/payroll.sol | 1 + 1 file changed, 1 insertion(+) diff --git a/lesson1/orgin/payroll.sol b/lesson1/orgin/payroll.sol index 61fbc42d3..85d68a965 100644 --- a/lesson1/orgin/payroll.sol +++ b/lesson1/orgin/payroll.sol @@ -1,3 +1,4 @@ +# homework 1 pragma solidity ^0.4.14; contract Payroll { From 8a8786837b1be7c85f612180dbf5475f543ed622 Mon Sep 17 00:00:00 2001 From: Zhao Jin Date: Fri, 12 Jan 2018 11:14:37 -0500 Subject: [PATCH 47/97] update @washingweb --- lesson1/assignment/yours.sol | 1 + 1 file changed, 1 insertion(+) diff --git a/lesson1/assignment/yours.sol b/lesson1/assignment/yours.sol index 7900b6125..103591cca 100644 --- a/lesson1/assignment/yours.sol +++ b/lesson1/assignment/yours.sol @@ -1,3 +1,4 @@ +# homework1 pragma solidity ^0.4.14; contract Payroll { From 31eeb028baf604d7c5e88907ed665114336b3255 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=E9=99=88=E6=89=AC=E5=B8=86?= Date: Sat, 13 Jan 2018 19:55:16 +0800 Subject: [PATCH 48/97] =?UTF-8?q?=E7=AC=AC=E4=BA=8C=E8=AF=BE=E4=BD=9C?= =?UTF-8?q?=E4=B8=9A?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- Lesson2/assignment/record_gas.md | 15 ++++++ Lesson2/assignment/yours.sol | 88 ++++++++++++++++++++++++++++++++ 2 files changed, 103 insertions(+) create mode 100644 Lesson2/assignment/record_gas.md diff --git a/Lesson2/assignment/record_gas.md b/Lesson2/assignment/record_gas.md new file mode 100644 index 000000000..115b23e8f --- /dev/null +++ b/Lesson2/assignment/record_gas.md @@ -0,0 +1,15 @@ +# Gas消耗记录 + +|序号|Transaction Cost|Execution Cost|Second Transaction Cost|Second Execution Cost| +|---|----------------|--------------|--------------------------|------------------------| +|1 |22966 |1694 |22124 |852 | +|2 |23747 |2475 |22124 |852 | +|3 |24528 |3256 |22124 |852 | +|4 |25309 |4037 |22124 |852 | +|5 |26090 |4818 |22124 |852 | +|6 |26871 |5599 |22124 |852 | +|7 |27652 |6380 |22124 |852 | +|8 |28433 |7161 |22124 |852 | +|9 |29214 |7942 |22124 |852 | +|10 |29995 |8723 | 22124 |852 | +因为每次都要循环遍历的缘故，没加一次雇员，需要更多的gas，所以我把totalSalary的运算放在其他函数，以降低gas的消耗 \ No newline at end of file diff --git a/Lesson2/assignment/yours.sol b/Lesson2/assignment/yours.sol index dfdb2c486..48e5c1cad 100644 --- a/Lesson2/assignment/yours.sol +++ b/Lesson2/assignment/yours.sol @@ -1 +1,89 @@ /*作业请提交在这个目录下*/ +pragma solidity ^0.4.14; +//因为每次都要循环遍历的缘故，没加一次雇员，需要更多的gas，所以我把totalSalary的运算放在其他会改动totalSalary的函数，以降低gas的消耗 +contract Payroll { + struct Employee { + address id; + uint salary; + uint lastPayday; + } + + uint constant payDuration = 10 seconds; + uint totalSalary; + + address owner; + Employee[] employees; + + function Payroll() { + owner = msg.sender; + } + + function _partialPaid(Employee employee) private { + uint payment = employee.salary * (now - employee.lastPayday) / payDuration; + employee.id.transfer(payment); + } + + function _findEmployee(address employeeId) private returns (Employee, uint) { + for(uint i = 0; i < employees.length; i++) { + if (employees[i].id == employeeId) { + return (employees[i], i); + } + } + } + + function addEmployee(address employeeId, uint salary) { + require(msg.sender == owner); + + var (employee, index) = _findEmployee(employeeId); + assert(employee.id == 0x0); + totalSalary = totalSalary + salary; + employees.push(Employee(employeeId, salary, now)); + } + + function removeEmployee(address employeeId) { + require(msg.sender == owner); + + var (employee, index) = _findEmployee(employeeId); + assert(employee.id != 0x0); + _partialPaid(employees[index]); + totalSalary = totalSalary - employee.salary; + delete employees[index]; + employees[index] = employees[employees.length -1]; + employees.length -= 1; + + } + + function updateEmployee(address employeeId, uint salary) { + require(msg.sender == owner); + + var (employee, index) = _findEmployee(employeeId); + assert(employee.id != 0x0); + _partialPaid(employee); + totalSalary = totalSalary + salary - employee.salary; + employee.salary = salary; + employee.lastPayday = now; + } + + function addFund() payable returns (uint) { + return this.balance; + } + + function calculateRunway() returns (uint) { + return this.balance / totalSalary; + } + + function hasEnoughFund() returns (bool) { + return calculateRunway() > 0; + } + + function getPaid() { + var (employee, index) = _findEmployee(msg.sender); + assert(employee.id != 0x0); + + uint nextPayday = employee.lastPayday + payDuration; + assert(nextPayday < now); + + employee.lastPayday = nextPayday; + employee.id.transfer(employee.salary); + } +} From d07ab7f3f5957b8704c799f1bf730b80b8d14af0 Mon Sep 17 00:00:00 2001 From: zl777 <365655478@qq.com> Date: Sat, 13 Jan 2018 22:08:44 +0800 Subject: [PATCH 49/97] Update yours.sol --- Lesson2/assignment/yours.sol | 109 +++++++++++++++++++++++++++++++++++ 1 file changed, 109 insertions(+) diff --git a/Lesson2/assignment/yours.sol b/Lesson2/assignment/yours.sol index dfdb2c486..44fcc46a1 100644 --- a/Lesson2/assignment/yours.sol +++ b/Lesson2/assignment/yours.sol @@ -1 +1,110 @@ /*作业请提交在这个目录下*/ + pragma solidity ^0.4.14; + + contract Payroll { + struct Employee { + address id; + uint salary; + uint lastPayday; + } + + uint constant payDuration = 10 seconds; + uint totalSalary = 0; //for new calculateRunway function + address owner; + Employee[] employees; + + function Payroll() { + owner = msg.sender; + } + + function _partialPaid(Employee employee) private { + uint payment = employee.salary * (now - employee.lastPayday) / payDuration; + employee.id.transfer(payment); + } + + function _findEmployee(address employeeId) private returns (Employee, uint) { + for (uint i=0; i< employees.length; i++){ + if (employees[i].id == employeeId) + return (employees[i], i); + } + } + + function addEmployee(address employeeId, uint salary) { + require(msg.sender == owner); + var (employee, index) = _findEmployee(employeeId); + assert(employee.id == 0x0); + uint salaryInWei = salary * 1 ether; + employees.push(Employee(employeeId, salaryInWei, now)); + totalSalary += salaryInWei; + } + + function removeEmployee(address employeeId) { + var (employee, index) = _findEmployee(employeeId); + assert(employee.id != 0x0); + _partialPaid(employee); + totalSalary -= employee.salary; + delete employees[index]; + employees[index] = employees[employees.length - 1]; + employees.length -= 1; + } + + function updateEmployee(address employeeId, uint salary) { + require(msg.sender == owner); + var (employee, index) = _findEmployee(employeeId); + totalSalary -= employee.salary; + assert(employee.id != 0x0); + _partialPaid(employee); + uint salaryInWei = salary * 1 ether; + employees[index].id = employeeId; + employees[index].salary = salaryInWei; + totalSalary += salaryInWei; + + } + + function addFund() payable returns (uint){ + return this.balance; + } + + function calculateRunway() returns (uint) { + uint _totalSalary = 0; + for (uint i = 0; i < employees.length; i++) { + _totalSalary += employees[i].salary; + } + return this.balance / _totalSalary; + } + + function calculateRunwayNew() returns (uint) { + return this.balance / totalSalary; + } + + function hasEnoughFund() returns (bool){ + return calculateRunway() > 0; + } + + function getPaid() { + var (employee, index) = _findEmployee(msg.sender); + assert(employee.id != 0x0); + + uint nextPayday = employee.lastPayday + payDuration; + if (nextPayday > now) + revert(); + } + employees[index].lastPayday = nextPayday; + employee.id.transfer(employee.salary); + } + + 统计N个员工时，消耗的gas数 + + N Gas + 1 1694 + 2 2475 + 3 3256 + 4 4037 + 5 4818 + 6 5599 + 7 6380 + 8 7161 + 9 7942 + 10 8723 + +gas大致呈线性增长 + 如何优化 还需要 拼命的加强学习 From 5b96d76aec065eda1e6f37a6161748301094dd08 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=E4=BD=95=E6=99=BA=E5=8D=8E?= Date: Sat, 13 Jan 2018 23:13:34 +0800 Subject: [PATCH 50/97] revert last mis-checkin... --- Lesson2/assignment/yours.sol | 109 ----------------------------------- 1 file changed, 109 deletions(-) diff --git a/Lesson2/assignment/yours.sol b/Lesson2/assignment/yours.sol index 44fcc46a1..dfdb2c486 100644 --- a/Lesson2/assignment/yours.sol +++ b/Lesson2/assignment/yours.sol @@ -1,110 +1 @@ /*作业请提交在这个目录下*/ - pragma solidity ^0.4.14; - - contract Payroll { - struct Employee { - address id; - uint salary; - uint lastPayday; - } - - uint constant payDuration = 10 seconds; - uint totalSalary = 0; //for new calculateRunway function - address owner; - Employee[] employees; - - function Payroll() { - owner = msg.sender; - } - - function _partialPaid(Employee employee) private { - uint payment = employee.salary * (now - employee.lastPayday) / payDuration; - employee.id.transfer(payment); - } - - function _findEmployee(address employeeId) private returns (Employee, uint) { - for (uint i=0; i< employees.length; i++){ - if (employees[i].id == employeeId) - return (employees[i], i); - } - } - - function addEmployee(address employeeId, uint salary) { - require(msg.sender == owner); - var (employee, index) = _findEmployee(employeeId); - assert(employee.id == 0x0); - uint salaryInWei = salary * 1 ether; - employees.push(Employee(employeeId, salaryInWei, now)); - totalSalary += salaryInWei; - } - - function removeEmployee(address employeeId) { - var (employee, index) = _findEmployee(employeeId); - assert(employee.id != 0x0); - _partialPaid(employee); - totalSalary -= employee.salary; - delete employees[index]; - employees[index] = employees[employees.length - 1]; - employees.length -= 1; - } - - function updateEmployee(address employeeId, uint salary) { - require(msg.sender == owner); - var (employee, index) = _findEmployee(employeeId); - totalSalary -= employee.salary; - assert(employee.id != 0x0); - _partialPaid(employee); - uint salaryInWei = salary * 1 ether; - employees[index].id = employeeId; - employees[index].salary = salaryInWei; - totalSalary += salaryInWei; - - } - - function addFund() payable returns (uint){ - return this.balance; - } - - function calculateRunway() returns (uint) { - uint _totalSalary = 0; - for (uint i = 0; i < employees.length; i++) { - _totalSalary += employees[i].salary; - } - return this.balance / _totalSalary; - } - - function calculateRunwayNew() returns (uint) { - return this.balance / totalSalary; - } - - function hasEnoughFund() returns (bool){ - return calculateRunway() > 0; - } - - function getPaid() { - var (employee, index) = _findEmployee(msg.sender); - assert(employee.id != 0x0); - - uint nextPayday = employee.lastPayday + payDuration; - if (nextPayday > now) - revert(); - } - employees[index].lastPayday = nextPayday; - employee.id.transfer(employee.salary); - } - - 统计N个员工时，消耗的gas数 - - N Gas - 1 1694 - 2 2475 - 3 3256 - 4 4037 - 5 4818 - 6 5599 - 7 6380 - 8 7161 - 9 7942 - 10 8723 - +gas大致呈线性增长 - 如何优化 还需要 拼命的加强学习 From 31621b699c0d622e2b14888002fcf77ec7ad04ce Mon Sep 17 00:00:00 2001 From: Zhao Jin Date: Sat, 13 Jan 2018 13:24:03 -0500 Subject: [PATCH 51/97] Update --- lesson1/assignment/yours.sol | 12 +----------- 1 file changed, 1 insertion(+), 11 deletions(-) diff --git a/lesson1/assignment/yours.sol b/lesson1/assignment/yours.sol index 103591cca..e786c12f7 100644 --- a/lesson1/assignment/yours.sol +++ b/lesson1/assignment/yours.sol @@ -9,17 +9,7 @@ contract Payroll { address employee; uint lastPayday; - function setSalary (uint m) { - require(msg.sender == owner); - salary = m; - } - - function setAddress(address e) { - - require(msg.sender == owner); - employee = e; - - } +// use update employee function to update employee information, and also checking if the account is the owner. function Payroll() { owner = msg.sender; From 2e095aea97c98bece9959a8888aaa6d2db0bd1ec Mon Sep 17 00:00:00 2001 From: Zhao Jin Date: Sat, 13 Jan 2018 16:41:22 -0500 Subject: [PATCH 52/97] update hw2 --- Lesson2/assignment/yours.sol | 69 +++++++++++++++++++----------------- 1 file changed, 36 insertions(+), 33 deletions(-) diff --git a/Lesson2/assignment/yours.sol b/Lesson2/assignment/yours.sol index 44fcc46a1..f82f665e9 100644 --- a/Lesson2/assignment/yours.sol +++ b/Lesson2/assignment/yours.sol @@ -1,34 +1,34 @@ /*作业请提交在这个目录下*/ pragma solidity ^0.4.14; - + contract Payroll { struct Employee { address id; uint salary; uint lastPayday; } - + uint constant payDuration = 10 seconds; uint totalSalary = 0; //for new calculateRunway function address owner; Employee[] employees; - + function Payroll() { owner = msg.sender; } - + function _partialPaid(Employee employee) private { uint payment = employee.salary * (now - employee.lastPayday) / payDuration; employee.id.transfer(payment); } - + function _findEmployee(address employeeId) private returns (Employee, uint) { for (uint i=0; i< employees.length; i++){ if (employees[i].id == employeeId) return (employees[i], i); } } - + function addEmployee(address employeeId, uint salary) { require(msg.sender == owner); var (employee, index) = _findEmployee(employeeId); @@ -37,7 +37,7 @@ employees.push(Employee(employeeId, salaryInWei, now)); totalSalary += salaryInWei; } - + function removeEmployee(address employeeId) { var (employee, index) = _findEmployee(employeeId); assert(employee.id != 0x0); @@ -47,7 +47,7 @@ employees[index] = employees[employees.length - 1]; employees.length -= 1; } - + function updateEmployee(address employeeId, uint salary) { require(msg.sender == owner); var (employee, index) = _findEmployee(employeeId); @@ -58,13 +58,13 @@ employees[index].id = employeeId; employees[index].salary = salaryInWei; totalSalary += salaryInWei; - + } - + function addFund() payable returns (uint){ return this.balance; } - + function calculateRunway() returns (uint) { uint _totalSalary = 0; for (uint i = 0; i < employees.length; i++) { @@ -72,39 +72,42 @@ } return this.balance / _totalSalary; } - + function calculateRunwayNew() returns (uint) { return this.balance / totalSalary; } - + function hasEnoughFund() returns (bool){ return calculateRunway() > 0; } - + function getPaid() { var (employee, index) = _findEmployee(msg.sender); assert(employee.id != 0x0); - - uint nextPayday = employee.lastPayday + payDuration; + + uint nextPayday = employee.lastPayday + payDuration; if (nextPayday > now) revert(); - } employees[index].lastPayday = nextPayday; employee.id.transfer(employee.salary); + } + } - - 统计N个员工时，消耗的gas数 - - N Gas - 1 1694 - 2 2475 - 3 3256 - 4 4037 - 5 4818 - 6 5599 - 7 6380 - 8 7161 - 9 7942 - 10 8723 - +gas大致呈线性增长 - 如何优化 还需要 拼命的加强学习 + + +// address for mocking: +// 0x6fFF3806Bbac52A20e0d79BC538d527f6a22c96b +// 0x6fFF3806Bbac52A20e0d79BC538d527f6a22c96c +// 0x6fFF3806Bbac52A20e0d79BC538d527f6a22c96e +// 0x6fFF3806Bbac52A20e0d79BC538d527f6a22c96f +// 0x6fFF3806Bbac52A20e0d79BC538d527f6a22c96g +// 0x6fFF3806Bbac52A20e0d79BC538d527f6a22c96h +// 0x6fFF3806Bbac52A20e0d79BC538d527f6a22c96i +// 0x6fFF3806Bbac52A20e0d79BC538d527f6a22c96g +// 0x6fFF3806Bbac52A20e0d79BC538d527f6a22c96k +// 0x6fFF3806Bbac52A20e0d79BC538d527f6a22c96l +// 0xca35b7d915458ef540ade6068dfe2f44e8fa733c - dummy + +// original gas cost: [1694,2475,3256,4037,4818,5599,6380,7161,7942,8723] +// idea optimize, set lastUpdateTotalSal global var, every time update it, instead of for loop every employee. +// optimize gas cost: [896,896,......], flat cost From dbff9b039a8e441d5975a43a50ad894a2dfe946e Mon Sep 17 00:00:00 2001 From: lsdlinshunda <923076444@qq.com> Date: Sun, 14 Jan 2018 11:02:28 +0800 Subject: [PATCH 53/97] =?UTF-8?q?=E5=88=9B=E5=BB=BA=E7=AC=AC=E4=B8=89?= =?UTF-8?q?=E8=AF=BE=E7=9B=AE=E5=BD=95?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- Lesson3/README.md | 0 Lesson3/assignment/README.md | 6 ++++++ Lesson3/assignment/yours.sol | 1 + Lesson3/orgin/README.md | 3 +++ Lesson3/orgin/payroll.sol | 0 5 files changed, 10 insertions(+) create mode 100644 Lesson3/README.md create mode 100644 Lesson3/assignment/README.md create mode 100644 Lesson3/assignment/yours.sol create mode 100644 Lesson3/orgin/README.md create mode 100644 Lesson3/orgin/payroll.sol diff --git a/Lesson3/README.md b/Lesson3/README.md new file mode 100644 index 000000000..e69de29bb diff --git a/Lesson3/assignment/README.md b/Lesson3/assignment/README.md new file mode 100644 index 000000000..3ae2c410b --- /dev/null +++ b/Lesson3/assignment/README.md @@ -0,0 +1,6 @@ +## 硅谷live以太坊智能合约 第三课作业 +这里是同学提交作业的目录 + +### 第三课：课后作业 + + diff --git a/Lesson3/assignment/yours.sol b/Lesson3/assignment/yours.sol new file mode 100644 index 000000000..dfdb2c486 --- /dev/null +++ b/Lesson3/assignment/yours.sol @@ -0,0 +1 @@ +/*作业请提交在这个目录下*/ diff --git a/Lesson3/orgin/README.md b/Lesson3/orgin/README.md new file mode 100644 index 000000000..6106ea195 --- /dev/null +++ b/Lesson3/orgin/README.md @@ -0,0 +1,3 @@ +## 硅谷live以太坊智能合约 第三课 + +这里是每一课的初始代码，有需要的同学可以参考 diff --git a/Lesson3/orgin/payroll.sol b/Lesson3/orgin/payroll.sol new file mode 100644 index 000000000..e69de29bb From 78fa6e7b7b42b38b83a2f62c075d437d44587690 Mon Sep 17 00:00:00 2001 From: Shunda <923076444@qq.com> Date: Sun, 14 Jan 2018 16:39:03 +0800 Subject: [PATCH 54/97] =?UTF-8?q?=E6=B7=BB=E5=8A=A0=E7=AC=AC=E4=B8=89?= =?UTF-8?q?=E8=AF=BE=E8=AF=B4=E6=98=8E?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- Lesson3/README.md | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) diff --git a/Lesson3/README.md b/Lesson3/README.md index e69de29bb..ba26ced65 100644 --- a/Lesson3/README.md +++ b/Lesson3/README.md @@ -0,0 +1,16 @@ +## 硅谷live以太坊智能合约频道官方地址 + +### 第三课《智能合约后端优化和产品化》 + +目录结构 +
| +
|--orgin 课程初始代码 +
| +
|--assignment 课程作业提交代码 +
+### 本节知识点 +第3课：智能合约后端优化和产品化 +- 如何通过数据结构优化降低合约执行成本 +- 合约的继承 +- 巧用modifier +- 以太坊函数库的使用和基本介绍 From 4d8f45bef44764a74d407458fd9bbe04b188dde3 Mon Sep 17 00:00:00 2001 From: Shunda <923076444@qq.com> Date: Sun, 14 Jan 2018 16:40:17 +0800 Subject: [PATCH 55/97] =?UTF-8?q?=E6=B7=BB=E5=8A=A0=E7=AC=AC=E4=B8=89?= =?UTF-8?q?=E8=AF=BE=E4=BD=9C=E4=B8=9A=E8=AF=B4=E6=98=8E?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- Lesson3/assignment/README.md | 12 ++++++++++-- 1 file changed, 10 insertions(+), 2 deletions(-) diff --git a/Lesson3/assignment/README.md b/Lesson3/assignment/README.md index 3ae2c410b..01011eb46 100644 --- a/Lesson3/assignment/README.md +++ b/Lesson3/assignment/README.md @@ -2,5 +2,13 @@ 这里是同学提交作业的目录 ### 第三课：课后作业 - - +- 第一题：完成今天所开发的合约产品化内容，使用Remix调用每一个函数，提交函数调用截图 +- 第二题：增加 changePaymentAddress 函数，更改员工的薪水支付地址，思考一下能否使用modifier整合某个功能 +- 第三题（加分题）：自学C3 Linearization, 求以下 contract Z 的继承线 +- contract O +- contract A is O +- contract B is O +- contract C is O +- contract K1 is A, B +- contract K2 is A, C +- contract Z is K1, K2 From c85308b6a35db66c7fddce2d49acf8a165d4561a Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=E9=99=88=E6=89=AC=E5=B8=86?= Date: Mon, 15 Jan 2018 22:43:50 +0800 Subject: [PATCH 56/97] =?UTF-8?q?=E7=AC=AC=E4=B8=89=E8=AF=BE?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- Lesson3/assignment/image.md | 18 ++++++++++++++++++ Lesson3/orgin/payroll.sol | 17 +++++++++++++++++ 2 files changed, 35 insertions(+) create mode 100644 Lesson3/assignment/image.md diff --git a/Lesson3/assignment/image.md b/Lesson3/assignment/image.md new file mode 100644 index 000000000..95746f5a8 --- /dev/null +++ b/Lesson3/assignment/image.md @@ -0,0 +1,18 @@ +# 截图 + +![](https://lh3.googleusercontent.com/-Z7wmwDmr2Yo/Wly58wMqz8I/AAAAAAAACN4/k7H-zjCS3jouLSKjn64eLfQfurpUxFBKgCHMYCw/I/15160261093451.jpg) + +![](https://lh3.googleusercontent.com/-TZc_49k37sM/Wly59-DMw6I/AAAAAAAACN8/Km_W5izGcq85DsSIHZhf6xozL8JJIhJowCHMYCw/I/15160261452190.jpg) + +![](https://lh3.googleusercontent.com/-uKY9K0s4beY/Wly5-sH9xOI/AAAAAAAACOA/hw4AuE-TBHoRxEEnGXu6TcPP8tpM4RCXQCHMYCw/I/15160261645468.jpg) + +![](https://lh3.googleusercontent.com/-9Yckg2u56oM/Wly5_-LfakI/AAAAAAAACOE/oWWfUNd5x4MUkP2xaS_wR41urE9t5OiLwCHMYCw/I/15160261984761.jpg) + +![](https://lh3.googleusercontent.com/-f4cw-uiTsnc/Wly6BSxuTjI/AAAAAAAACOI/RUCjK81MEfMce0nOj--JcCdvi_rE42XSwCHMYCw/I/15160262186508.jpg) + +![](https://lh3.googleusercontent.com/-13qPZ-xrYNg/Wly6Ch4chOI/AAAAAAAACOM/JppTGYZiOQ0nE_GkJrrQrCmEslDBHIlFgCHMYCw/I/15160262349547.jpg) + +![](https://lh3.googleusercontent.com/-2PtUNchpvW8/Wly6DI-hiPI/AAAAAAAACOQ/xUkK0jlu5M0nZZmaOHPEv97iwDrVpn-BwCHMYCw/I/15160262540190.jpg) + +![](https://lh3.googleusercontent.com/-Jmzv3ST6x8I/Wly6D9S6zRI/AAAAAAAACOU/bC7wZuoDp6EPH_bSyZ-O_M318ah0pY9pACHMYCw/I/15160262764811.jpg) + diff --git a/Lesson3/orgin/payroll.sol b/Lesson3/orgin/payroll.sol index e69de29bb..fdafa6cab 100644 --- a/Lesson3/orgin/payroll.sol +++ b/Lesson3/orgin/payroll.sol @@ -0,0 +1,17 @@ +//新增更改员工薪水的支付地址的函数 +function changePaymentAddress(address employeeId, address newEmployeeId) onlyOwner employeeExist(employeeId) { + var employee = employees[employeeId]; + + _partialPaid(employee); + employees[employeeId].id = newEmployeeId; + employees[newEmployeeId].lastPayday = now; +} + +//加分题 +O[O], +A[A,O], +B[B,O], +C[C,O], +K1[K1,A,B,O], +K2[K2,A,C,O], +Z[K1,K2,A,B,C,O] \ No newline at end of file From bd713707ce5a268acd1fb8801c5a7cb3bd7d7771 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=E9=99=88=E6=89=AC=E5=B8=86?= Date: Mon, 15 Jan 2018 22:45:31 +0800 Subject: [PATCH 57/97] =?UTF-8?q?=E7=AC=AC=E4=B8=89=E8=AF=BE?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- Lesson3/assignment/image.md | 1 + 1 file changed, 1 insertion(+) diff --git a/Lesson3/assignment/image.md b/Lesson3/assignment/image.md index 95746f5a8..eb3cb57e6 100644 --- a/Lesson3/assignment/image.md +++ b/Lesson3/assignment/image.md @@ -1,4 +1,5 @@ # 截图 +## 图床存在google，显示可能需要等一会儿 ![](https://lh3.googleusercontent.com/-Z7wmwDmr2Yo/Wly58wMqz8I/AAAAAAAACN4/k7H-zjCS3jouLSKjn64eLfQfurpUxFBKgCHMYCw/I/15160261093451.jpg) From 718e0e6e376b7c48c25ac039583f0853107e96b7 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=E9=99=88=E6=89=AC=E5=B8=86?= Date: Mon, 15 Jan 2018 22:48:36 +0800 Subject: [PATCH 58/97] =?UTF-8?q?=E7=AC=AC=E4=B8=89=E8=AF=BE?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- Lesson3/assignment/yours.sol | 17 +++++++++++++++++ Lesson3/orgin/payroll.sol | 17 ----------------- 2 files changed, 17 insertions(+), 17 deletions(-) diff --git a/Lesson3/assignment/yours.sol b/Lesson3/assignment/yours.sol index dfdb2c486..c5f4a9110 100644 --- a/Lesson3/assignment/yours.sol +++ b/Lesson3/assignment/yours.sol @@ -1 +1,18 @@ /*作业请提交在这个目录下*/ +//新增更改员工薪水的支付地址的函数 +function changePaymentAddress(address employeeId, address newEmployeeId) onlyOwner employeeExist(employeeId) { + var employee = employees[employeeId]; + + _partialPaid(employee); + employees[employeeId].id = newEmployeeId; + employees[newEmployeeId].lastPayday = now; +} + +//加分题 +O[O], +A[A,O], +B[B,O], +C[C,O], +K1[K1,A,B,O], +K2[K2,A,C,O], +Z[K1,K2,A,B,C,O] \ No newline at end of file diff --git a/Lesson3/orgin/payroll.sol b/Lesson3/orgin/payroll.sol index fdafa6cab..e69de29bb 100644 --- a/Lesson3/orgin/payroll.sol +++ b/Lesson3/orgin/payroll.sol @@ -1,17 +0,0 @@ -//新增更改员工薪水的支付地址的函数 -function changePaymentAddress(address employeeId, address newEmployeeId) onlyOwner employeeExist(employeeId) { - var employee = employees[employeeId]; - - _partialPaid(employee); - employees[employeeId].id = newEmployeeId; - employees[newEmployeeId].lastPayday = now; -} - -//加分题 -O[O], -A[A,O], -B[B,O], -C[C,O], -K1[K1,A,B,O], -K2[K2,A,C,O], -Z[K1,K2,A,B,C,O] \ No newline at end of file From 80e53bba48dc6a90f52965f13302cd61f3a5a10e Mon Sep 17 00:00:00 2001 From: Zhao_Jin Date: Tue, 16 Jan 2018 21:11:44 -0500 Subject: [PATCH 59/97] delete hw2 * delete hw2 --- Lesson2/README.md | 16 ----- Lesson2/assignment/README.md | 10 --- Lesson2/assignment/yours.sol | 115 ----------------------------------- Lesson2/orgin/README.md | 3 - Lesson2/orgin/payroll.sol | 50 --------------- Lesson3/README.md | 16 ----- Lesson3/assignment/README.md | 14 ----- Lesson3/assignment/yours.sol | 1 - Lesson3/orgin/README.md | 3 - Lesson3/orgin/payroll.sol | 0 10 files changed, 228 deletions(-) delete mode 100644 Lesson2/README.md delete mode 100644 Lesson2/assignment/README.md delete mode 100644 Lesson2/assignment/yours.sol delete mode 100644 Lesson2/orgin/README.md delete mode 100644 Lesson2/orgin/payroll.sol delete mode 100644 Lesson3/README.md delete mode 100644 Lesson3/assignment/README.md delete mode 100644 Lesson3/assignment/yours.sol delete mode 100644 Lesson3/orgin/README.md delete mode 100644 Lesson3/orgin/payroll.sol diff --git a/Lesson2/README.md b/Lesson2/README.md deleted file mode 100644 index 1fdc5b30b..000000000 --- a/Lesson2/README.md +++ /dev/null @@ -1,16 +0,0 @@ -## 硅谷live以太坊智能合约频道官方地址 - -### 第二课《智能合约设计进阶-多员工薪酬系统》 - -目录结构 -
| -
|--orgin 课程初始代码 -
| -
|--assignment 课程作业提交代码 -
-### 本节知识点 -第2课：智能合约设计进阶-多员工薪酬系统 -- 动态静态数组的不同 -- 函数输入参数检查 revert -- 循环与遍历的安全性 -- 程序运行错误检查和容错：assert与require diff --git a/Lesson2/assignment/README.md b/Lesson2/assignment/README.md deleted file mode 100644 index a1fa2d047..000000000 --- a/Lesson2/assignment/README.md +++ /dev/null @@ -1,10 +0,0 @@ -## 硅谷live以太坊智能合约 第二课作业 -这里是同学提交作业的目录 - -### 第二课：课后作业 -完成今天的智能合约添加100ETH到合约中 -- 加入十个员工，每个员工的薪水都是1ETH -每次加入一个员工后调用calculateRunway这个函数，并且记录消耗的gas是多少？Gas变化么？如果有 为什么？ -- 如何优化calculateRunway这个函数来减少gas的消耗？ -提交：智能合约代码，gas变化的记录，calculateRunway函数的优化 - diff --git a/Lesson2/assignment/yours.sol b/Lesson2/assignment/yours.sol deleted file mode 100644 index cb3c7a723..000000000 --- a/Lesson2/assignment/yours.sol +++ /dev/null @@ -1,115 +0,0 @@ -/*作业请提交在这个目录下*/ - - pragma solidity ^0.4.14; - - contract Payroll { - struct Employee { - address id; - uint salary; - uint lastPayday; - } - - uint constant payDuration = 10 seconds; - uint totalSalary = 0; //for new calculateRunway function - address owner; - Employee[] employees; - - function Payroll() { - owner = msg.sender; - } - - function _partialPaid(Employee employee) private { - uint payment = employee.salary * (now - employee.lastPayday) / payDuration; - employee.id.transfer(payment); - } - - function _findEmployee(address employeeId) private returns (Employee, uint) { - for (uint i=0; i< employees.length; i++){ - if (employees[i].id == employeeId) - return (employees[i], i); - } - } - - function addEmployee(address employeeId, uint salary) { - require(msg.sender == owner); - var (employee, index) = _findEmployee(employeeId); - assert(employee.id == 0x0); - uint salaryInWei = salary * 1 ether; - employees.push(Employee(employeeId, salaryInWei, now)); - totalSalary += salaryInWei; - } - - function removeEmployee(address employeeId) { - var (employee, index) = _findEmployee(employeeId); - assert(employee.id != 0x0); - _partialPaid(employee); - totalSalary -= employee.salary; - delete employees[index]; - employees[index] = employees[employees.length - 1]; - employees.length -= 1; - } - - function updateEmployee(address employeeId, uint salary) { - require(msg.sender == owner); - var (employee, index) = _findEmployee(employeeId); - totalSalary -= employee.salary; - assert(employee.id != 0x0); - _partialPaid(employee); - uint salaryInWei = salary * 1 ether; - employees[index].id = employeeId; - employees[index].salary = salaryInWei; - totalSalary += salaryInWei; - - } - - function addFund() payable returns (uint){ - return this.balance; - } - - function calculateRunway() returns (uint) { - uint _totalSalary = 0; - for (uint i = 0; i < employees.length; i++) { - _totalSalary += employees[i].salary; - } - return this.balance / _totalSalary; - } - - function calculateRunwayNew() returns (uint) { - return this.balance / totalSalary; - } - - function hasEnoughFund() returns (bool){ - return calculateRunway() > 0; - } - - function getPaid() { - var (employee, index) = _findEmployee(msg.sender); - assert(employee.id != 0x0); - - uint nextPayday = employee.lastPayday + payDuration; - if (nextPayday > now) - revert(); - employees[index].lastPayday = nextPayday; - employee.id.transfer(employee.salary); - } - - } - - -// address for mocking: -// 0x6fFF3806Bbac52A20e0d79BC538d527f6a22c96b -// 0x6fFF3806Bbac52A20e0d79BC538d527f6a22c96c -// 0x6fFF3806Bbac52A20e0d79BC538d527f6a22c96e -// 0x6fFF3806Bbac52A20e0d79BC538d527f6a22c96f -// 0x6fFF3806Bbac52A20e0d79BC538d527f6a22c96g -// 0x6fFF3806Bbac52A20e0d79BC538d527f6a22c96h -// 0x6fFF3806Bbac52A20e0d79BC538d527f6a22c96i -// 0x6fFF3806Bbac52A20e0d79BC538d527f6a22c96g -// 0x6fFF3806Bbac52A20e0d79BC538d527f6a22c96k -// 0x6fFF3806Bbac52A20e0d79BC538d527f6a22c96l -// 0xca35b7d915458ef540ade6068dfe2f44e8fa733c - dummy - -// original gas cost: [1694,2475,3256,4037,4818,5599,6380,7161,7942,8723] -// idea optimize, set lastUpdateTotalSal global var, every time update it, instead of for loop every employee. -// optimize gas cost: [896,896,......], flat cost - diff --git a/Lesson2/orgin/README.md b/Lesson2/orgin/README.md deleted file mode 100644 index 0309d947c..000000000 --- a/Lesson2/orgin/README.md +++ /dev/null @@ -1,3 +0,0 @@ -## 硅谷live以太坊智能合约 第二课《智能合约设计进阶-多员工薪酬系统》 - -这里是每一课的初始代码，有需要的同学可以参考 diff --git a/Lesson2/orgin/payroll.sol b/Lesson2/orgin/payroll.sol deleted file mode 100644 index 62e380e4c..000000000 --- a/Lesson2/orgin/payroll.sol +++ /dev/null @@ -1,50 +0,0 @@ -pragma solidity ^0.4.14; - -contract Payroll { - struct Employee { - address id; - uint salary; - uint lastPayday; - } - - uint constant payDuration = 10 seconds; - - address owner; - Employee[] employees; - - function Payroll() { - owner = msg.sender; - } - - function _partialPaid(Employee employee) private { - } - - function _findEmployee(address employeeId) private returns (Employee, uint) { - } - - function addEmployee(address employeeId, uint salary) { - } - - function removeEmployee(address employeeId) { - } - - function updateEmployee(address employeeId, uint salary) { - } - - function addFund() payable returns (uint) { - } - - function calculateRunway() returns (uint) { - uint totalSalary = 0; - for (uint i = 0; i < employees.length; i++) { - totalSalary += employees[i].salary; - } - return this.balance / totalSalary; - } - - function hasEnoughFund() returns (bool) { - } - - function getPaid() { - } -} diff --git a/Lesson3/README.md b/Lesson3/README.md deleted file mode 100644 index ba26ced65..000000000 --- a/Lesson3/README.md +++ /dev/null @@ -1,16 +0,0 @@ -## 硅谷live以太坊智能合约频道官方地址 - -### 第三课《智能合约后端优化和产品化》 - -目录结构 -
| -
|--orgin 课程初始代码 -
| -
|--assignment 课程作业提交代码 -
-### 本节知识点 -第3课：智能合约后端优化和产品化 -- 如何通过数据结构优化降低合约执行成本 -- 合约的继承 -- 巧用modifier -- 以太坊函数库的使用和基本介绍 diff --git a/Lesson3/assignment/README.md b/Lesson3/assignment/README.md deleted file mode 100644 index 01011eb46..000000000 --- a/Lesson3/assignment/README.md +++ /dev/null @@ -1,14 +0,0 @@ -## 硅谷live以太坊智能合约 第三课作业 -这里是同学提交作业的目录 - -### 第三课：课后作业 -- 第一题：完成今天所开发的合约产品化内容，使用Remix调用每一个函数，提交函数调用截图 -- 第二题：增加 changePaymentAddress 函数，更改员工的薪水支付地址，思考一下能否使用modifier整合某个功能 -- 第三题（加分题）：自学C3 Linearization, 求以下 contract Z 的继承线 -- contract O -- contract A is O -- contract B is O -- contract C is O -- contract K1 is A, B -- contract K2 is A, C -- contract Z is K1, K2 diff --git a/Lesson3/assignment/yours.sol b/Lesson3/assignment/yours.sol deleted file mode 100644 index dfdb2c486..000000000 --- a/Lesson3/assignment/yours.sol +++ /dev/null @@ -1 +0,0 @@ -/*作业请提交在这个目录下*/ diff --git a/Lesson3/orgin/README.md b/Lesson3/orgin/README.md deleted file mode 100644 index 6106ea195..000000000 --- a/Lesson3/orgin/README.md +++ /dev/null @@ -1,3 +0,0 @@ -## 硅谷live以太坊智能合约 第三课 - -这里是每一课的初始代码，有需要的同学可以参考 diff --git a/Lesson3/orgin/payroll.sol b/Lesson3/orgin/payroll.sol deleted file mode 100644 index e69de29bb..000000000 From ec1f2127470e295e94175e5ccb6fd71dfe0dd02c Mon Sep 17 00:00:00 2001 From: Zhao_Jin Date: Tue, 16 Jan 2018 21:14:46 -0500 Subject: [PATCH 60/97] restore --- Lesson2/README.md | 16 +++++ Lesson2/assignment/README.md | 10 +++ Lesson2/assignment/yours.sol | 115 +++++++++++++++++++++++++++++++++++ Lesson2/orgin/README.md | 3 + Lesson2/orgin/payroll.sol | 50 +++++++++++++++ Lesson3/README.md | 16 +++++ Lesson3/assignment/README.md | 14 +++++ Lesson3/assignment/yours.sol | 1 + Lesson3/orgin/README.md | 3 + Lesson3/orgin/payroll.sol | 0 10 files changed, 228 insertions(+) create mode 100644 Lesson2/README.md create mode 100644 Lesson2/assignment/README.md create mode 100644 Lesson2/assignment/yours.sol create mode 100644 Lesson2/orgin/README.md create mode 100644 Lesson2/orgin/payroll.sol create mode 100644 Lesson3/README.md create mode 100644 Lesson3/assignment/README.md create mode 100644 Lesson3/assignment/yours.sol create mode 100644 Lesson3/orgin/README.md create mode 100644 Lesson3/orgin/payroll.sol diff --git a/Lesson2/README.md b/Lesson2/README.md new file mode 100644 index 000000000..1fdc5b30b --- /dev/null +++ b/Lesson2/README.md @@ -0,0 +1,16 @@ +## 硅谷live以太坊智能合约频道官方地址 + +### 第二课《智能合约设计进阶-多员工薪酬系统》 + +目录结构 +
| +
|--orgin 课程初始代码 +
| +
|--assignment 课程作业提交代码 +
+### 本节知识点 +第2课：智能合约设计进阶-多员工薪酬系统 +- 动态静态数组的不同 +- 函数输入参数检查 revert +- 循环与遍历的安全性 +- 程序运行错误检查和容错：assert与require diff --git a/Lesson2/assignment/README.md b/Lesson2/assignment/README.md new file mode 100644 index 000000000..a1fa2d047 --- /dev/null +++ b/Lesson2/assignment/README.md @@ -0,0 +1,10 @@ +## 硅谷live以太坊智能合约 第二课作业 +这里是同学提交作业的目录 + +### 第二课：课后作业 +完成今天的智能合约添加100ETH到合约中 +- 加入十个员工，每个员工的薪水都是1ETH +每次加入一个员工后调用calculateRunway这个函数，并且记录消耗的gas是多少？Gas变化么？如果有 为什么？ +- 如何优化calculateRunway这个函数来减少gas的消耗？ +提交：智能合约代码，gas变化的记录，calculateRunway函数的优化 + diff --git a/Lesson2/assignment/yours.sol b/Lesson2/assignment/yours.sol new file mode 100644 index 000000000..cb3c7a723 --- /dev/null +++ b/Lesson2/assignment/yours.sol @@ -0,0 +1,115 @@ +/*作业请提交在这个目录下*/ + + pragma solidity ^0.4.14; + + contract Payroll { + struct Employee { + address id; + uint salary; + uint lastPayday; + } + + uint constant payDuration = 10 seconds; + uint totalSalary = 0; //for new calculateRunway function + address owner; + Employee[] employees; + + function Payroll() { + owner = msg.sender; + } + + function _partialPaid(Employee employee) private { + uint payment = employee.salary * (now - employee.lastPayday) / payDuration; + employee.id.transfer(payment); + } + + function _findEmployee(address employeeId) private returns (Employee, uint) { + for (uint i=0; i< employees.length; i++){ + if (employees[i].id == employeeId) + return (employees[i], i); + } + } + + function addEmployee(address employeeId, uint salary) { + require(msg.sender == owner); + var (employee, index) = _findEmployee(employeeId); + assert(employee.id == 0x0); + uint salaryInWei = salary * 1 ether; + employees.push(Employee(employeeId, salaryInWei, now)); + totalSalary += salaryInWei; + } + + function removeEmployee(address employeeId) { + var (employee, index) = _findEmployee(employeeId); + assert(employee.id != 0x0); + _partialPaid(employee); + totalSalary -= employee.salary; + delete employees[index]; + employees[index] = employees[employees.length - 1]; + employees.length -= 1; + } + + function updateEmployee(address employeeId, uint salary) { + require(msg.sender == owner); + var (employee, index) = _findEmployee(employeeId); + totalSalary -= employee.salary; + assert(employee.id != 0x0); + _partialPaid(employee); + uint salaryInWei = salary * 1 ether; + employees[index].id = employeeId; + employees[index].salary = salaryInWei; + totalSalary += salaryInWei; + + } + + function addFund() payable returns (uint){ + return this.balance; + } + + function calculateRunway() returns (uint) { + uint _totalSalary = 0; + for (uint i = 0; i < employees.length; i++) { + _totalSalary += employees[i].salary; + } + return this.balance / _totalSalary; + } + + function calculateRunwayNew() returns (uint) { + return this.balance / totalSalary; + } + + function hasEnoughFund() returns (bool){ + return calculateRunway() > 0; + } + + function getPaid() { + var (employee, index) = _findEmployee(msg.sender); + assert(employee.id != 0x0); + + uint nextPayday = employee.lastPayday + payDuration; + if (nextPayday > now) + revert(); + employees[index].lastPayday = nextPayday; + employee.id.transfer(employee.salary); + } + + } + + +// address for mocking: +// 0x6fFF3806Bbac52A20e0d79BC538d527f6a22c96b +// 0x6fFF3806Bbac52A20e0d79BC538d527f6a22c96c +// 0x6fFF3806Bbac52A20e0d79BC538d527f6a22c96e +// 0x6fFF3806Bbac52A20e0d79BC538d527f6a22c96f +// 0x6fFF3806Bbac52A20e0d79BC538d527f6a22c96g +// 0x6fFF3806Bbac52A20e0d79BC538d527f6a22c96h +// 0x6fFF3806Bbac52A20e0d79BC538d527f6a22c96i +// 0x6fFF3806Bbac52A20e0d79BC538d527f6a22c96g +// 0x6fFF3806Bbac52A20e0d79BC538d527f6a22c96k +// 0x6fFF3806Bbac52A20e0d79BC538d527f6a22c96l +// 0xca35b7d915458ef540ade6068dfe2f44e8fa733c - dummy + +// original gas cost: [1694,2475,3256,4037,4818,5599,6380,7161,7942,8723] +// idea optimize, set lastUpdateTotalSal global var, every time update it, instead of for loop every employee. +// optimize gas cost: [896,896,......], flat cost + diff --git a/Lesson2/orgin/README.md b/Lesson2/orgin/README.md new file mode 100644 index 000000000..0309d947c --- /dev/null +++ b/Lesson2/orgin/README.md @@ -0,0 +1,3 @@ +## 硅谷live以太坊智能合约 第二课《智能合约设计进阶-多员工薪酬系统》 + +这里是每一课的初始代码，有需要的同学可以参考 diff --git a/Lesson2/orgin/payroll.sol b/Lesson2/orgin/payroll.sol new file mode 100644 index 000000000..62e380e4c --- /dev/null +++ b/Lesson2/orgin/payroll.sol @@ -0,0 +1,50 @@ +pragma solidity ^0.4.14; + +contract Payroll { + struct Employee { + address id; + uint salary; + uint lastPayday; + } + + uint constant payDuration = 10 seconds; + + address owner; + Employee[] employees; + + function Payroll() { + owner = msg.sender; + } + + function _partialPaid(Employee employee) private { + } + + function _findEmployee(address employeeId) private returns (Employee, uint) { + } + + function addEmployee(address employeeId, uint salary) { + } + + function removeEmployee(address employeeId) { + } + + function updateEmployee(address employeeId, uint salary) { + } + + function addFund() payable returns (uint) { + } + + function calculateRunway() returns (uint) { + uint totalSalary = 0; + for (uint i = 0; i < employees.length; i++) { + totalSalary += employees[i].salary; + } + return this.balance / totalSalary; + } + + function hasEnoughFund() returns (bool) { + } + + function getPaid() { + } +} diff --git a/Lesson3/README.md b/Lesson3/README.md new file mode 100644 index 000000000..9d36bf8fb --- /dev/null +++ b/Lesson3/README.md @@ -0,0 +1,16 @@ +## 硅谷live以太坊智能合约频道官方地址 + +### 第三课《智能合约后端优化和产品化》 + +目录结构 +
| +
|--orgin 课程初始代码 +
| +
|--assignment 课程作业提交代码 +
+### 本节知识点 +第3课：智能合约后端优化和产品化 +- 如何通过数据结构优化降低合约执行成本 +- 合约的继承 +- 巧用modifier +- 以太坊函数库的使用和基本介绍 diff --git a/Lesson3/assignment/README.md b/Lesson3/assignment/README.md new file mode 100644 index 000000000..01011eb46 --- /dev/null +++ b/Lesson3/assignment/README.md @@ -0,0 +1,14 @@ +## 硅谷live以太坊智能合约 第三课作业 +这里是同学提交作业的目录 + +### 第三课：课后作业 +- 第一题：完成今天所开发的合约产品化内容，使用Remix调用每一个函数，提交函数调用截图 +- 第二题：增加 changePaymentAddress 函数，更改员工的薪水支付地址，思考一下能否使用modifier整合某个功能 +- 第三题（加分题）：自学C3 Linearization, 求以下 contract Z 的继承线 +- contract O +- contract A is O +- contract B is O +- contract C is O +- contract K1 is A, B +- contract K2 is A, C +- contract Z is K1, K2 diff --git a/Lesson3/assignment/yours.sol b/Lesson3/assignment/yours.sol new file mode 100644 index 000000000..dfdb2c486 --- /dev/null +++ b/Lesson3/assignment/yours.sol @@ -0,0 +1 @@ +/*作业请提交在这个目录下*/ diff --git a/Lesson3/orgin/README.md b/Lesson3/orgin/README.md new file mode 100644 index 000000000..6106ea195 --- /dev/null +++ b/Lesson3/orgin/README.md @@ -0,0 +1,3 @@ +## 硅谷live以太坊智能合约 第三课 + +这里是每一课的初始代码，有需要的同学可以参考 diff --git a/Lesson3/orgin/payroll.sol b/Lesson3/orgin/payroll.sol new file mode 100644 index 000000000..e69de29bb From 20e9d2194e949d57743f753a4d04f0a21d2a78f8 Mon Sep 17 00:00:00 2001 From: Jing Tao Date: Wed, 17 Jan 2018 15:31:53 +0800 Subject: [PATCH 61/97] hw-2 --- payroll.sol => hw-1.sol | 0 hw-2.sol | 95 +++++++++++++++++++++++++++++++++++++++++ 2 files changed, 95 insertions(+) rename payroll.sol => hw-1.sol (100%) create mode 100644 hw-2.sol diff --git a/payroll.sol b/hw-1.sol similarity index 100% rename from payroll.sol rename to hw-1.sol diff --git a/hw-2.sol b/hw-2.sol new file mode 100644 index 000000000..99ec61f12 --- /dev/null +++ b/hw-2.sol @@ -0,0 +1,95 @@ +pragma solidity ^0.4.14; + +contract payRoll{ + struct Employee { + address id; + uint salary; + uint lastPayday; + } + + uint constant payDuration = 10 seconds; + + address owner; + Employee[] employees; + + function Payroll(){ + owner = msg.sender; + } + + function _partialPaid(Employee employee) private { + uint payment = employee.salary * (now - employee.lastPayday) / payDuration; + employee.id.transfer(payment); + } + + function _findEmployee(address employeeId) private returns (Employee, uint){ + for(uint i=0; i 0; + } + + function getPaid() { + var (employee, index) = _findEmployee(msg.sender); + assert(employee.id == 0x0); + + + uint nextPayday = employee.lastPayday + payDuration; + assert(nextPayday < now); + + employees[index].lastPayday = nextPayday; + employees[index].id.transfer(employee.salary); + } + +} \ No newline at end of file From bf357cfd148619197f3eadf274d0352803990484 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=E7=A1=85=E8=B0=B7live=C2=B7=E6=99=BA=E8=83=BD=E5=90=88?= =?UTF-8?q?=E7=BA=A6=E5=85=A8=E6=A0=88=E5=BC=80=E5=8F=91=E8=AF=BE?= <32827583+linjie-1@users.noreply.github.com> Date: Wed, 17 Jan 2018 21:37:41 +0800 Subject: [PATCH 62/97] Create README.md --- Lesson4/README.md | 16 ++++++++++++++++ 1 file changed, 16 insertions(+) create mode 100644 Lesson4/README.md diff --git a/Lesson4/README.md b/Lesson4/README.md new file mode 100644 index 000000000..34bf0bb82 --- /dev/null +++ b/Lesson4/README.md @@ -0,0 +1,16 @@ +## 硅谷live以太坊智能合约频道官方地址 + +### 第四课《使用Truffle架构进行前后端交互，测试，部署》 + +目录结构 +
| +
|--orgin 课程初始代码 +
| +
|--assignment 课程作业提交代码 +
+### 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 From 50c15e301de60c3885bbbfe05f008d554084b6ac Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=E7=A1=85=E8=B0=B7live=C2=B7=E6=99=BA=E8=83=BD=E5=90=88?= =?UTF-8?q?=E7=BA=A6=E5=85=A8=E6=A0=88=E5=BC=80=E5=8F=91=E8=AF=BE?= <32827583+linjie-1@users.noreply.github.com> Date: Wed, 17 Jan 2018 21:43:51 +0800 Subject: [PATCH 63/97] Create README.md --- Lesson4/orgin/README.md | 3 +++ 1 file changed, 3 insertions(+) create mode 100644 Lesson4/orgin/README.md diff --git a/Lesson4/orgin/README.md b/Lesson4/orgin/README.md new file mode 100644 index 000000000..c27ba052f --- /dev/null +++ b/Lesson4/orgin/README.md @@ -0,0 +1,3 @@ +## 硅谷live以太坊智能合约 第四课 + +这里是每一课的初始代码，有需要的同学可以参考 From 83e2b9b5180ff5d6167e5a028089257b1df0a465 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=E7=A1=85=E8=B0=B7live=C2=B7=E6=99=BA=E8=83=BD=E5=90=88?= =?UTF-8?q?=E7=BA=A6=E5=85=A8=E6=A0=88=E5=BC=80=E5=8F=91=E8=AF=BE?= <32827583+linjie-1@users.noreply.github.com> Date: Wed, 17 Jan 2018 21:58:52 +0800 Subject: [PATCH 64/97] Create payroll.sol --- Lesson4/orgin/payroll.sol | 1 + 1 file changed, 1 insertion(+) create mode 100644 Lesson4/orgin/payroll.sol diff --git a/Lesson4/orgin/payroll.sol b/Lesson4/orgin/payroll.sol new file mode 100644 index 000000000..8b1378917 --- /dev/null +++ b/Lesson4/orgin/payroll.sol @@ -0,0 +1 @@ + From b38d0ff65b885011de4337404517360a262e1600 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=E7=A1=85=E8=B0=B7live=C2=B7=E6=99=BA=E8=83=BD=E5=90=88?= =?UTF-8?q?=E7=BA=A6=E5=85=A8=E6=A0=88=E5=BC=80=E5=8F=91=E8=AF=BE?= <32827583+linjie-1@users.noreply.github.com> Date: Wed, 17 Jan 2018 22:07:38 +0800 Subject: [PATCH 65/97] Create README.md --- Lesson4/assignment/README.md | 12 ++++++++++++ 1 file changed, 12 insertions(+) create mode 100644 Lesson4/assignment/README.md diff --git a/Lesson4/assignment/README.md b/Lesson4/assignment/README.md new file mode 100644 index 000000000..871e6be04 --- /dev/null +++ b/Lesson4/assignment/README.md @@ -0,0 +1,12 @@ +## 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 + +### 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？ From 953eab2d3deb22d64f5283e45add9ed0e8ec4eb3 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=E7=A1=85=E8=B0=B7live=C2=B7=E6=99=BA=E8=83=BD=E5=90=88?= =?UTF-8?q?=E7=BA=A6=E5=85=A8=E6=A0=88=E5=BC=80=E5=8F=91=E8=AF=BE?= <32827583+linjie-1@users.noreply.github.com> Date: Wed, 17 Jan 2018 22:09:30 +0800 Subject: [PATCH 66/97] Create yours.sol --- Lesson4/ assignment/yours.sol | 1 + 1 file changed, 1 insertion(+) create mode 100644 Lesson4/ assignment/yours.sol diff --git a/Lesson4/ assignment/yours.sol b/Lesson4/ assignment/yours.sol new file mode 100644 index 000000000..dfdb2c486 --- /dev/null +++ b/Lesson4/ assignment/yours.sol @@ -0,0 +1 @@ +/*作业请提交在这个目录下*/ From e28b1b3cd37b968b05ab21af4f16156b5c45f1bc Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=E7=A1=85=E8=B0=B7live=C2=B7=E6=99=BA=E8=83=BD=E5=90=88?= =?UTF-8?q?=E7=BA=A6=E5=85=A8=E6=A0=88=E5=BC=80=E5=8F=91=E8=AF=BE?= <32827583+linjie-1@users.noreply.github.com> Date: Wed, 17 Jan 2018 22:11:43 +0800 Subject: [PATCH 67/97] Delete yours.sol --- Lesson4/ assignment/yours.sol | 1 - 1 file changed, 1 deletion(-) delete mode 100644 Lesson4/ assignment/yours.sol diff --git a/Lesson4/ assignment/yours.sol b/Lesson4/ assignment/yours.sol deleted file mode 100644 index dfdb2c486..000000000 --- a/Lesson4/ assignment/yours.sol +++ /dev/null @@ -1 +0,0 @@ -/*作业请提交在这个目录下*/ From b72fc453b51db6d6f8a5cfea1b299f1d232f2d62 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=E7=A1=85=E8=B0=B7live=C2=B7=E6=99=BA=E8=83=BD=E5=90=88?= =?UTF-8?q?=E7=BA=A6=E5=85=A8=E6=A0=88=E5=BC=80=E5=8F=91=E8=AF=BE?= <32827583+linjie-1@users.noreply.github.com> Date: Wed, 17 Jan 2018 22:11:59 +0800 Subject: [PATCH 68/97] Create yours.sol --- Lesson4/assignment/yours.sol | 1 + 1 file changed, 1 insertion(+) create mode 100644 Lesson4/assignment/yours.sol diff --git a/Lesson4/assignment/yours.sol b/Lesson4/assignment/yours.sol new file mode 100644 index 000000000..8b1378917 --- /dev/null +++ b/Lesson4/assignment/yours.sol @@ -0,0 +1 @@ + From c66e0ccb1cea13501c549725242a66ac58601364 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=E7=A1=85=E8=B0=B7live=C2=B7=E6=99=BA=E8=83=BD=E5=90=88?= =?UTF-8?q?=E7=BA=A6=E5=85=A8=E6=A0=88=E5=BC=80=E5=8F=91=E8=AF=BE?= <32827583+linjie-1@users.noreply.github.com> Date: Wed, 17 Jan 2018 22:12:44 +0800 Subject: [PATCH 69/97] Update yours.sol --- Lesson4/assignment/yours.sol | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/Lesson4/assignment/yours.sol b/Lesson4/assignment/yours.sol index 8b1378917..dfdb2c486 100644 --- a/Lesson4/assignment/yours.sol +++ b/Lesson4/assignment/yours.sol @@ -1 +1 @@ - +/*作业请提交在这个目录下*/ From 159bd42e898257a2a3b73dcf7efc6ec2976c368d Mon Sep 17 00:00:00 2001 From: Shunda <923076444@qq.com> Date: Wed, 17 Jan 2018 22:48:51 +0800 Subject: [PATCH 70/97] =?UTF-8?q?Revert=20"=E7=AC=AC3=E8=AF=BE=E7=9A=84?= =?UTF-8?q?=E4=BB=A3=E7=A0=81"?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- lesson1/assignment/yours.sol | 47 ------------------------------------ 1 file changed, 47 deletions(-) diff --git a/lesson1/assignment/yours.sol b/lesson1/assignment/yours.sol index 5f242f2cf..dfdb2c486 100644 --- a/lesson1/assignment/yours.sol +++ b/lesson1/assignment/yours.sol @@ -1,48 +1 @@ /*作业请提交在这个目录下*/ -pragma solidity ^0.4.14; -contract Payroll { -uint constant payDuration =10 seconds; -address owner; -uint salary; -address employee; -unit lastPayday; -} - -function Payroll() { - owner = msg.sender; - } - funtion updateEmployee(address e, unit s) { - require(msg.sender == owner); - - if（employee != 0x0)） { - uint payment = salary * (now - lastPayday) / payDuration; - employee.transfer(payment); - } - employee = e; - salary = s* 1 ether; - lastPayday= now; - } - funtion addFund() payable returns (uint) { - return this.balance; - } - funtion calcuatateRunway() returns (uint) { - returns this.balance / salary; - } - function hasEncoughFund() returns (boll) { - return calulateRunway(）> 0; - } - function getPaid() { - require(msg.sender == employee); - - uint nextPayday = lastPayday + payDuration; - assert(nextPayday < now); - - lastPayday = nextPday; - employee.transfer(salary); - } - - - - - - From d355bf4a8064cf31ea0fabd6ebb5952a532cc483 Mon Sep 17 00:00:00 2001 From: Jing Tao Date: Thu, 18 Jan 2018 01:08:42 +0800 Subject: [PATCH 71/97] HW-3 --- hw-2.sol => Lesson2/hw-2.sol | 0 Lesson3/assignment/yours.sol | 103 +++++++++++++++++++++++++++++++++++ hw-1.sol => lesson1/hw-1.sol | 0 3 files changed, 103 insertions(+) rename hw-2.sol => Lesson2/hw-2.sol (100%) rename hw-1.sol => lesson1/hw-1.sol (100%) diff --git a/hw-2.sol b/Lesson2/hw-2.sol similarity index 100% rename from hw-2.sol rename to Lesson2/hw-2.sol diff --git a/Lesson3/assignment/yours.sol b/Lesson3/assignment/yours.sol index dfdb2c486..189a9cd28 100644 --- a/Lesson3/assignment/yours.sol +++ b/Lesson3/assignment/yours.sol @@ -1 +1,104 @@ /*作业请提交在这个目录下*/ + +//q1 + +pragma solidity ^0.4.14; + +contract payRoll{ + struct Employee { + address id; + uint salary; + uint lastPayday; + } + + uint constant payDuration = 10 seconds; + + address owner; + uint totalSalary; + mapping(address => Employee) employees; + + function Payroll(){ + owner = msg.sender; + } + + function _partialPaid(Employee employee) private { + uint payment = employee.salary * (now - employee.lastPayday) / payDuration; + employee.id.transfer(payment); + } + + function addEmployee(address employeeId, uint salary){ + require(msg.sender == owner); + + var employee = employees[employeeId]; + assert(employee.id == 0x0); + totalSalary += salary * 1 ether; + employees[employeeId] = (Employee(employeeId, salary * 1 ether, now)); + } + + function removeEmployee(address employeeId){ + require(msg.sender == owner); + + var employee = employees[employeeId]; + + assert(employee.id == 0x0); + _partialPaid(employee); + totalSalary -= employees[employeeId].salary; + delete employees[employeeId]; + + } + + function updateEmployee(address employeeId, uint salary) { + require(msg.sender == owner); + + var employee = employees[employeeId]; + + assert(employee.id == 0x0); + _partialPaid(employee); + totalSalary -= employees[employeeId].salary; + employees[employeeId].salary = salary; + employees[employeeId].lastPayday = now; + totalSalary += employees[employeeId].salary; + + } + + function addFund() returns (uint) { + return this.balance; + } + + function calculateRunway() returns (uint) { + return this.balance / totalSalary; + } + + function hasEnoughFund() returns (bool) { + return calculateRunway() > 0; + } + + function checckEmployee(address employeeId) returns (uint salary, uint lastPayday){ + var employee = employees[employeeId]; + salary = employee.salary; + lastPayday = employee.lastPayday; + } + + function getPaid() { + var employee = employees[msg.sender]; + assert(employee.id == 0x0); + + + uint nextPayday = employee.lastPayday + payDuration; + assert(nextPayday < now); + + employee.lastPayday = nextPayday; + employee.id.transfer(employee.salary); + } + +} + + +/// q2 +function changePaymentAddress(address employeeId, address newEmployeeId) onlyOwner employeeExist(employeeId) { + var employee = employees[employeeId]; + + _partialPaid(employee); + employees[employeeId].id = newEmployeeId; + employees[newEmployeeId].lastPayday = now; +} diff --git a/hw-1.sol b/lesson1/hw-1.sol similarity index 100% rename from hw-1.sol rename to lesson1/hw-1.sol From e8a7a931d46b51bc7a6d4968f42947a361de4269 Mon Sep 17 00:00:00 2001 From: Shunda <923076444@qq.com> Date: Thu, 18 Jan 2018 23:01:32 +0800 Subject: [PATCH 72/97] =?UTF-8?q?Revert=20"Get=20=E7=AC=AC=E5=9B=9B?= =?UTF-8?q?=E8=AF=BE"?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- Lesson2/assignment/yours.sol | 114 ----------------------------------- Lesson3/README.md | 32 +++++----- lesson1/assignment/yours.sol | 53 +--------------- lesson1/orgin/payroll.sol | 1 - 4 files changed, 17 insertions(+), 183 deletions(-) diff --git a/Lesson2/assignment/yours.sol b/Lesson2/assignment/yours.sol index cb3c7a723..dfdb2c486 100644 --- a/Lesson2/assignment/yours.sol +++ b/Lesson2/assignment/yours.sol @@ -1,115 +1 @@ /*作业请提交在这个目录下*/ - - pragma solidity ^0.4.14; - - contract Payroll { - struct Employee { - address id; - uint salary; - uint lastPayday; - } - - uint constant payDuration = 10 seconds; - uint totalSalary = 0; //for new calculateRunway function - address owner; - Employee[] employees; - - function Payroll() { - owner = msg.sender; - } - - function _partialPaid(Employee employee) private { - uint payment = employee.salary * (now - employee.lastPayday) / payDuration; - employee.id.transfer(payment); - } - - function _findEmployee(address employeeId) private returns (Employee, uint) { - for (uint i=0; i< employees.length; i++){ - if (employees[i].id == employeeId) - return (employees[i], i); - } - } - - function addEmployee(address employeeId, uint salary) { - require(msg.sender == owner); - var (employee, index) = _findEmployee(employeeId); - assert(employee.id == 0x0); - uint salaryInWei = salary * 1 ether; - employees.push(Employee(employeeId, salaryInWei, now)); - totalSalary += salaryInWei; - } - - function removeEmployee(address employeeId) { - var (employee, index) = _findEmployee(employeeId); - assert(employee.id != 0x0); - _partialPaid(employee); - totalSalary -= employee.salary; - delete employees[index]; - employees[index] = employees[employees.length - 1]; - employees.length -= 1; - } - - function updateEmployee(address employeeId, uint salary) { - require(msg.sender == owner); - var (employee, index) = _findEmployee(employeeId); - totalSalary -= employee.salary; - assert(employee.id != 0x0); - _partialPaid(employee); - uint salaryInWei = salary * 1 ether; - employees[index].id = employeeId; - employees[index].salary = salaryInWei; - totalSalary += salaryInWei; - - } - - function addFund() payable returns (uint){ - return this.balance; - } - - function calculateRunway() returns (uint) { - uint _totalSalary = 0; - for (uint i = 0; i < employees.length; i++) { - _totalSalary += employees[i].salary; - } - return this.balance / _totalSalary; - } - - function calculateRunwayNew() returns (uint) { - return this.balance / totalSalary; - } - - function hasEnoughFund() returns (bool){ - return calculateRunway() > 0; - } - - function getPaid() { - var (employee, index) = _findEmployee(msg.sender); - assert(employee.id != 0x0); - - uint nextPayday = employee.lastPayday + payDuration; - if (nextPayday > now) - revert(); - employees[index].lastPayday = nextPayday; - employee.id.transfer(employee.salary); - } - - } - - -// address for mocking: -// 0x6fFF3806Bbac52A20e0d79BC538d527f6a22c96b -// 0x6fFF3806Bbac52A20e0d79BC538d527f6a22c96c -// 0x6fFF3806Bbac52A20e0d79BC538d527f6a22c96e -// 0x6fFF3806Bbac52A20e0d79BC538d527f6a22c96f -// 0x6fFF3806Bbac52A20e0d79BC538d527f6a22c96g -// 0x6fFF3806Bbac52A20e0d79BC538d527f6a22c96h -// 0x6fFF3806Bbac52A20e0d79BC538d527f6a22c96i -// 0x6fFF3806Bbac52A20e0d79BC538d527f6a22c96g -// 0x6fFF3806Bbac52A20e0d79BC538d527f6a22c96k -// 0x6fFF3806Bbac52A20e0d79BC538d527f6a22c96l -// 0xca35b7d915458ef540ade6068dfe2f44e8fa733c - dummy - -// original gas cost: [1694,2475,3256,4037,4818,5599,6380,7161,7942,8723] -// idea optimize, set lastUpdateTotalSal global var, every time update it, instead of for loop every employee. -// optimize gas cost: [896,896,......], flat cost - diff --git a/Lesson3/README.md b/Lesson3/README.md index 9d36bf8fb..ba26ced65 100644 --- a/Lesson3/README.md +++ b/Lesson3/README.md @@ -1,16 +1,16 @@ -## 硅谷live以太坊智能合约频道官方地址 - -### 第三课《智能合约后端优化和产品化》 - -目录结构 -
| -
|--orgin 课程初始代码 -
| -
|--assignment 课程作业提交代码 -
-### 本节知识点 -第3课：智能合约后端优化和产品化 -- 如何通过数据结构优化降低合约执行成本 -- 合约的继承 -- 巧用modifier -- 以太坊函数库的使用和基本介绍 +## 硅谷live以太坊智能合约频道官方地址 + +### 第三课《智能合约后端优化和产品化》 + +目录结构 +
| +
|--orgin 课程初始代码 +
| +
|--assignment 课程作业提交代码 +
+### 本节知识点 +第3课：智能合约后端优化和产品化 +- 如何通过数据结构优化降低合约执行成本 +- 合约的继承 +- 巧用modifier +- 以太坊函数库的使用和基本介绍 diff --git a/lesson1/assignment/yours.sol b/lesson1/assignment/yours.sol index e786c12f7..dfdb2c486 100644 --- a/lesson1/assignment/yours.sol +++ b/lesson1/assignment/yours.sol @@ -1,52 +1 @@ -# homework1 -pragma solidity ^0.4.14; - -contract Payroll { - uint constant payDuration = 10 seconds; - - address owner; - uint salary; - address employee; - uint lastPayday; - -// use update employee function to update employee information, and also checking if the account is the owner. - - function Payroll() { - owner = msg.sender; - } - - function updateEmployee(address e, uint s) { - require(msg.sender == owner); - - if (employee != 0x0) { - uint payment = salary * (now - lastPayday) / payDuration; - employee.transfer(payment); - } - - employee = e; - salary = s * 1 ether; - lastPayday = now; - } - - function addFund() payable returns (uint) { - return this.balance; - } - - function calculateRunway() returns (uint) { - return this.balance / salary; - } - - function hasEnoughFund() returns (bool) { - return calculateRunway() > 0; - } - - function getPaid() { - require(msg.sender == employee); - - uint nextPayday = lastPayday + payDuration; - assert(nextPayday < now); - - lastPayday = nextPayday; - employee.transfer(salary); - } -} +/*作业请提交在这个目录下*/ diff --git a/lesson1/orgin/payroll.sol b/lesson1/orgin/payroll.sol index 85d68a965..61fbc42d3 100644 --- a/lesson1/orgin/payroll.sol +++ b/lesson1/orgin/payroll.sol @@ -1,4 +1,3 @@ -# homework 1 pragma solidity ^0.4.14; contract Payroll { From 08dd48cbd216af8421d481f2be5ed6974d81866d Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=E9=99=88=E6=89=AC=E5=B8=86?= Date: Fri, 19 Jan 2018 21:01:17 +0800 Subject: [PATCH 73/97] =?UTF-8?q?=E4=BF=AE=E6=94=B9=E9=99=84=E5=8A=A0?= =?UTF-8?q?=E9=A2=98?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- Lesson3/assignment/yours.sol | 29 ++++++++++++++++++++++------- 1 file changed, 22 insertions(+), 7 deletions(-) diff --git a/Lesson3/assignment/yours.sol b/Lesson3/assignment/yours.sol index c5f4a9110..d69445076 100644 --- a/Lesson3/assignment/yours.sol +++ b/Lesson3/assignment/yours.sol @@ -9,10 +9,25 @@ function changePaymentAddress(address employeeId, address newEmployeeId) onlyOwn } //加分题 -O[O], -A[A,O], -B[B,O], -C[C,O], -K1[K1,A,B,O], -K2[K2,A,C,O], -Z[K1,K2,A,B,C,O] \ No newline at end of file +L[O] = 0 + +L[A] = A + merge[L[0],0] + = [A,0] + +L[B] = B + merge[L[0],0] + = [B,0] + +L[C] = C + merge[L[0],0] + = [C,0] + +L[K1] = K1 + merge[[A,0],[B,0],[A,B]] + = [K1,B] + merge[[A,0],[0],[A]] + = [K1,B,A,0] + +L[K2] = K2 + merge[[A,0]],[C,0]],[A,C]] + = [K2,C,A,0] + +L[Z] = Z + merge[[K1,B,A,0],[K2,C,A,0],[K1,K2]] + = [Z,K2] + merge[[K1,B,A,0],[C,A,0],K1] + = [Z,K2,K1] + merge[[B,A,0],[C,A,0]] + = [Z,K2,K1,A,C,B,0] \ No newline at end of file From 3f5d92ff5ea1cec0f760c71eb12d0adc2fd8a39d Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=E9=99=88=E6=89=AC=E5=B8=86?= Date: Sat, 20 Jan 2018 08:33:01 +0800 Subject: [PATCH 74/97] =?UTF-8?q?=E5=A2=9E=E5=8A=A0=E4=BB=A3=E7=A0=81?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- Lesson3/assignment/yours.sol | 90 +++++++++++++++++++++++++++++++++++- 1 file changed, 89 insertions(+), 1 deletion(-) diff --git a/Lesson3/assignment/yours.sol b/Lesson3/assignment/yours.sol index d69445076..16f7b409f 100644 --- a/Lesson3/assignment/yours.sol +++ b/Lesson3/assignment/yours.sol @@ -30,4 +30,92 @@ L[K2] = K2 + merge[[A,0]],[C,0]],[A,C]] L[Z] = Z + merge[[K1,B,A,0],[K2,C,A,0],[K1,K2]] = [Z,K2] + merge[[K1,B,A,0],[C,A,0],K1] = [Z,K2,K1] + merge[[B,A,0],[C,A,0]] - = [Z,K2,K1,A,C,B,0] \ No newline at end of file + = [Z,K2,K1,A,C,B,0] + + +//源码 +pragma solidity ^0.4.14; + +contract Payroll { + struct Employee { + address id; + uint salary; + uint lastPayday; + } + + uint constant payDuration = 10 seconds; + + uint totalSalary; + address owner; + mapping(address => Employee) public employees; + + function Payroll() { + owner = msg.sender; + } + + modifier onlyOwner { + require(msg.sender == owner); + _; + } + + modifier employeeExist(address employeeId) { + var employee = employees[employeeId]; + assert(employee.id != 0x0); + _; + } + + function _partialPaid(Employee employee) private { + uint payment = employee.salary * (now - employee.lastPayday) / payDuration; + employee.id.transfer(payment); + } + + function addEmployee(address employeeId, uint salary) onlyOwner { + var employee = employees[employeeId]; + assert(employee.id == 0x0); + totalSalary += salary * 1 ether; + + employees[employeeId] = Employee(employeeId, salary * 1 ether, now); + } + + function removeEmployee(address employeeId) onlyOwner employeeExist(employeeId) { + + var employee = employees[employeeId]; + + _partialPaid(employee); + totalSalary -= employees[employeeId].salary; + delete employees[employeeId]; + + } + + function updateEmployee(address employeeId, uint salary) onlyOwner employeeExist(employeeId) { + var employee = employees[employeeId]; + + _partialPaid(employee); + totalSalary -= employees[employeeId].salary; + employees[employeeId].salary = salary * 1 ether; + totalSalary += employees[employeeId].salary; + employees[employeeId].lastPayday = now; + } + + function addFund() payable returns (uint) { + return this.balance; + } + + function calculateRunway() returns (uint) { + return this.balance / totalSalary; + } + + function hasEnoughFund() returns (bool) { + return calculateRunway() > 0; + } + + function getPaid() employeeExist(msg.sender) { + var employee = employees[msg.sender]; + + uint nextPayday = employee.lastPayday + payDuration; + assert(nextPayday < now); + + employees[msg.sender].lastPayday = nextPayday; + employee.id.transfer(employee.salary); + } +} From d4860f158681087c86620091a56a8cd0fc9f559a Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=E9=99=88=E6=89=AC=E5=B8=86?= Date: Sat, 20 Jan 2018 09:37:33 +0800 Subject: [PATCH 75/97] =?UTF-8?q?=E4=BF=AE=E6=94=B9=E4=BD=9C=E4=B8=9A?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- Lesson3/assignment/yours.sol | 19 ++++++++++--------- 1 file changed, 10 insertions(+), 9 deletions(-) diff --git a/Lesson3/assignment/yours.sol b/Lesson3/assignment/yours.sol index 16f7b409f..a15ee3106 100644 --- a/Lesson3/assignment/yours.sol +++ b/Lesson3/assignment/yours.sol @@ -3,9 +3,7 @@ function changePaymentAddress(address employeeId, address newEmployeeId) onlyOwner employeeExist(employeeId) { var employee = employees[employeeId]; - _partialPaid(employee); employees[employeeId].id = newEmployeeId; - employees[newEmployeeId].lastPayday = now; } //加分题 @@ -20,17 +18,20 @@ L[B] = B + merge[L[0],0] L[C] = C + merge[L[0],0] = [C,0] -L[K1] = K1 + merge[[A,0],[B,0],[A,B]] - = [K1,B] + merge[[A,0],[0],[A]] +L[K1] = K1 + merge[L[B],L[A],B,A] + = K1 + merge[[B,0],[A,0],[B,A]] + = [K1,B] + merge[[0],[A,0],[A]] = [K1,B,A,0] -L[K2] = K2 + merge[[A,0]],[C,0]],[A,C]] +L[K2] = K2 + merge[L[C],L[A],C,A] + = K2 + merge[[C,0]],[A,0]],[C,A]] = [K2,C,A,0] -L[Z] = Z + merge[[K1,B,A,0],[K2,C,A,0],[K1,K2]] - = [Z,K2] + merge[[K1,B,A,0],[C,A,0],K1] - = [Z,K2,K1] + merge[[B,A,0],[C,A,0]] - = [Z,K2,K1,A,C,B,0] +L[Z] = Z + merge[L[K2],L[K1],[K2,K1]] + = Z + merge[[K2,C,A,0],[K1,B,A,0],[K2,K1]] + = [Z,K2] + merge[[C,A,0],[B,A,0],K1] + = [Z,K2,K1] + merge[[C,A,0],[B,A,0]] + = [Z,K2,K1,C,A,B,0] //源码 From 064653a2cbc213c89a6c0812dd94c48c4643326e Mon Sep 17 00:00:00 2001 From: Your Name Date: Sat, 20 Jan 2018 13:40:51 +0000 Subject: [PATCH 76/97] forth homework --- Lesson4/README.md | 16 - Lesson4/assignment/README.md | 12 - .../build/contracts/Migrations.json | 821 ++++ .../assignment/build/contracts/Payroll.json | 4066 +++++++++++++++++ Lesson4/assignment/contracts/Migrations.sol | 23 + Lesson4/assignment/contracts/Payroll.sol | 85 + .../migrations/1_initial_migration.js | 5 + .../migrations/2_deploy_contracts.js | 5 + Lesson4/assignment/test/payroll.js | 35 + Lesson4/assignment/truffle.js | 9 + Lesson4/assignment/yours.sol | 1 - 11 files changed, 5049 insertions(+), 29 deletions(-) delete mode 100644 Lesson4/README.md delete mode 100644 Lesson4/assignment/README.md create mode 100644 Lesson4/assignment/build/contracts/Migrations.json create mode 100644 Lesson4/assignment/build/contracts/Payroll.json create mode 100644 Lesson4/assignment/contracts/Migrations.sol create mode 100644 Lesson4/assignment/contracts/Payroll.sol create mode 100644 Lesson4/assignment/migrations/1_initial_migration.js create mode 100644 Lesson4/assignment/migrations/2_deploy_contracts.js create mode 100644 Lesson4/assignment/test/payroll.js create mode 100644 Lesson4/assignment/truffle.js delete mode 100644 Lesson4/assignment/yours.sol diff --git a/Lesson4/README.md b/Lesson4/README.md deleted file mode 100644 index 34bf0bb82..000000000 --- a/Lesson4/README.md +++ /dev/null @@ -1,16 +0,0 @@ -## 硅谷live以太坊智能合约频道官方地址 - -### 第四课《使用Truffle架构进行前后端交互，测试，部署》 - -目录结构 -
| -
|--orgin 课程初始代码 -
| -
|--assignment 课程作业提交代码 -
-### 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 diff --git a/Lesson4/assignment/README.md b/Lesson4/assignment/README.md deleted file mode 100644 index 871e6be04..000000000 --- a/Lesson4/assignment/README.md +++ /dev/null @@ -1,12 +0,0 @@ -## 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 - -### 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？ diff --git a/Lesson4/assignment/build/contracts/Migrations.json b/Lesson4/assignment/build/contracts/Migrations.json new file mode 100644 index 000000000..b3f8a56c9 --- /dev/null +++ b/Lesson4/assignment/build/contracts/Migrations.json @@ -0,0 +1,821 @@ +{ + "contractName": "Migrations", + "abi": [ + { + "constant": false, + "inputs": [ + { + "name": "new_address", + "type": "address" + } + ], + "name": "upgrade", + "outputs": [], + "payable": false, + "stateMutability": "nonpayable", + "type": "function" + }, + { + "constant": true, + "inputs": [], + "name": "last_completed_migration", + "outputs": [ + { + "name": "", + "type": "uint256" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "constant": true, + "inputs": [], + "name": "owner", + "outputs": [ + { + "name": "", + "type": "address" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "constant": false, + "inputs": [ + { + "name": "completed", + "type": "uint256" + } + ], + "name": "setCompleted", + "outputs": [], + "payable": false, + "stateMutability": "nonpayable", + "type": "function" + }, + { + "inputs": [], + "payable": false, + "stateMutability": "nonpayable", + "type": "constructor" + } + ], + "bytecode": 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+ "deployedBytecode": "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", 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upgrade(address new_address) public restricted {\n Migrations upgraded = Migrations(new_address);\n upgraded.setCompleted(last_completed_migration);\n }\n}\n", + "sourcePath": "/home/juicebox/guigulive-operation/Lesson4/assignment/contracts/Migrations.sol", + "ast": { + "attributes": { + "absolutePath": "/home/juicebox/guigulive-operation/Lesson4/assignment/contracts/Migrations.sol", + "exportedSymbols": { + "Migrations": [ + 56 + ] + } + }, + "children": [ + { + "attributes": { + "literals": [ + "solidity", + "^", + "0.4", + ".17" + ] + }, + "id": 1, + "name": "PragmaDirective", + "src": "0:24:0" + }, + { + "attributes": { + "baseContracts": [ + null + ], + "contractDependencies": [ + null + ], + "contractKind": "contract", + "documentation": null, + "fullyImplemented": true, + "linearizedBaseContracts": [ + 56 + ], + "name": "Migrations", + "scope": 57 + }, + "children": [ + { + "attributes": { + "constant": false, + "name": "owner", + "scope": 56, + "stateVariable": true, + 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function Migrations() public { + owner = msg.sender; + } + + function setCompleted(uint completed) public restricted { + last_completed_migration = completed; + } + + function upgrade(address new_address) public restricted { + Migrations upgraded = Migrations(new_address); + upgraded.setCompleted(last_completed_migration); + } +} diff --git a/Lesson4/assignment/contracts/Payroll.sol b/Lesson4/assignment/contracts/Payroll.sol new file mode 100644 index 000000000..8c47a6221 --- /dev/null +++ b/Lesson4/assignment/contracts/Payroll.sol @@ -0,0 +1,85 @@ +pragma solidity ^0.4.14; + +contract Payroll { + struct Employee { + address id; + uint salary; + uint lastPayday; + } + + uint constant payDuration = 10 seconds; + + uint totalSalary; + address owner; + mapping(address => Employee) public employees; + + function Payroll() { + owner = msg.sender; + } + + modifier onlyOwner { + require(msg.sender == owner); + _; + } + + modifier employeeExist(address employeeId) { + var employee = employees[employeeId]; + assert(employee.id != 0x0); + _; + } + + function _partialPaid(Employee employee) private { + uint payment = employee.salary * (now - employee.lastPayday) / payDuration; + employee.id.transfer(payment); + } + + function addEmployee(address employeeId, uint salary) onlyOwner { + var employee = employees[employeeId]; + assert(employee.id == 0x0); + totalSalary += salary * 1 ether; + + employees[employeeId] = Employee(employeeId, salary * 1 ether, now); + } + + function removeEmployee(address employeeId) onlyOwner employeeExist(employeeId) { + + var employee = employees[employeeId]; + + _partialPaid(employee); + totalSalary -= employees[employeeId].salary; + delete employees[employeeId]; + + } + + function updateEmployee(address employeeId, uint salary) onlyOwner employeeExist(employeeId) { + var employee = employees[employeeId]; + + _partialPaid(employee); + totalSalary -= employees[employeeId].salary; + employees[employeeId].salary = salary * 1 ether; + totalSalary += employees[employeeId].salary; + employees[employeeId].lastPayday = now; + } + + function addFund() payable returns (uint) { + return this.balance; + } + + function calculateRunway() returns (uint) { + return this.balance / totalSalary; + } + + function hasEnoughFund() returns (bool) { + return calculateRunway() > 0; + } + + function getPaid() employeeExist(msg.sender) { + var employee = employees[msg.sender]; + + uint nextPayday = employee.lastPayday + payDuration; + assert(nextPayday < now); + + employees[msg.sender].lastPayday = nextPayday; + employee.id.transfer(employee.salary); + } +} diff --git a/Lesson4/assignment/migrations/1_initial_migration.js b/Lesson4/assignment/migrations/1_initial_migration.js new file mode 100644 index 000000000..4d5f3f9b0 --- /dev/null +++ b/Lesson4/assignment/migrations/1_initial_migration.js @@ -0,0 +1,5 @@ +var Migrations = artifacts.require("./Migrations.sol"); + +module.exports = function(deployer) { + deployer.deploy(Migrations); +}; diff --git a/Lesson4/assignment/migrations/2_deploy_contracts.js b/Lesson4/assignment/migrations/2_deploy_contracts.js new file mode 100644 index 000000000..acae4b365 --- /dev/null +++ b/Lesson4/assignment/migrations/2_deploy_contracts.js @@ -0,0 +1,5 @@ +var Payroll = artifacts.required("./Payroll.sol"); + +module.exports = function(deployer) { + deployer.deploy(Payroll); +} diff --git a/Lesson4/assignment/test/payroll.js b/Lesson4/assignment/test/payroll.js new file mode 100644 index 000000000..b2e8a25e6 --- /dev/null +++ b/Lesson4/assignment/test/payroll.js @@ -0,0 +1,35 @@ +var PayRoll = artifacts.require("./Payroll.sol"); + +contract('PayRoll', function (accounts) { + + + // addEmployee + it("...add emoloyee successfully.", function () { + return PayRoll.deployed().then(function (instance) { + payrollInstance = instance; + }).then(function(){ + return payrollInstance.addFund({value: web3.toWei(50)}); + }).then(function(){ + return payrollInstance.addEmployee(accounts[1], 2); + }).then(function(){ + return payrollInstance.employees.call(accounts[1]); + }).then(function(employee){ + assert.equal(employee[1].valueOf(), web3.toWei(2), "fail"); + }); + }); + + // removeEmployee + it("...remove employee successfully.", function() { + return PayRoll.deployed().then(function (instance) { + payrollInstance = instance; + }).then(function() { + return payrollInstance.addEmployee(accounts[2], 5); + }).then(function() { + return payrollInstance.removeEmployee(accounts[2]); + }).then(function() { + return payrollInstance.employees.call(accounts[2]); + }).then(function(employee) { + assert.equal(employee[0].valueOf(), 0x0, "fail") + }) + }); +}); \ No newline at end of file diff --git a/Lesson4/assignment/truffle.js b/Lesson4/assignment/truffle.js new file mode 100644 index 000000000..7a1c2577e --- /dev/null +++ b/Lesson4/assignment/truffle.js @@ -0,0 +1,9 @@ +module.exports = { + networks:{ + development:{ + host: "localhost", + port: 8545, + network_id: "*" + } + } +}; diff --git a/Lesson4/assignment/yours.sol b/Lesson4/assignment/yours.sol deleted file mode 100644 index dfdb2c486..000000000 --- a/Lesson4/assignment/yours.sol +++ /dev/null @@ -1 +0,0 @@ -/*作业请提交在这个目录下*/ From e026572c5cd4cf5c679bbf8cb20b89cdfb7aa686 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=E9=99=88=E6=89=AC=E5=B8=86?= Date: Sun, 21 Jan 2018 08:27:55 +0800 Subject: [PATCH 77/97] =?UTF-8?q?=E4=BF=AE=E6=94=B9=E4=BD=9C=E4=B8=9A?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- .../assignment/build/contracts/Migrations.json | 18 ++++++++++++------ .../assignment/build/contracts/Payroll.json | 18 ++++++++++++------ .../migrations/2_deploy_contracts.js | 2 +- 3 files changed, 25 insertions(+), 13 deletions(-) diff --git a/Lesson4/assignment/build/contracts/Migrations.json b/Lesson4/assignment/build/contracts/Migrations.json index b3f8a56c9..18b5ff119 100644 --- a/Lesson4/assignment/build/contracts/Migrations.json +++ b/Lesson4/assignment/build/contracts/Migrations.json @@ -64,15 +64,15 @@ "type": "constructor" } ], - "bytecode": 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"sourceMap": "26:488:0:-;;;178:58;;;;;;;;221:10;213:5;;:18;;;;;;;;;;;;;;;;;;26:488;;;;;;", "deployedSourceMap": "26:488:0:-;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;347:165;;;;;;;;;;;;;;;;;;;;;;;;;;;;74:36;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;50:20;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;240:103;;;;;;;;;;;;;;;;;;;;;;;;;;347:165;409:19;161:5;;;;;;;;;;;147:19;;:10;:19;;;143:26;;;442:11;409:45;;460:8;:21;;;482:24;;460:47;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;143:26;347:165;;:::o;74:36::-;;;;:::o;50:20::-;;;;;;;;;;;;;:::o;240:103::-;161:5;;;;;;;;;;;147:19;;:10;:19;;;143:26;;;329:9;302:24;:36;;;;143:26;240:103;:::o", "source": "pragma solidity ^0.4.17;\n\ncontract Migrations {\n address public owner;\n uint public last_completed_migration;\n\n modifier restricted() {\n if (msg.sender == owner) _;\n }\n\n function Migrations() public {\n owner = msg.sender;\n }\n\n function setCompleted(uint completed) public restricted {\n last_completed_migration = completed;\n }\n\n function upgrade(address new_address) public restricted {\n Migrations upgraded = Migrations(new_address);\n upgraded.setCompleted(last_completed_migration);\n }\n}\n", - "sourcePath": "/home/juicebox/guigulive-operation/Lesson4/assignment/contracts/Migrations.sol", + "sourcePath": "/Users/chenyangfan/编程/区块链/智能合约/guigulive-operation/Lesson4/assignment/contracts/Migrations.sol", "ast": { "attributes": { - "absolutePath": "/home/juicebox/guigulive-operation/Lesson4/assignment/contracts/Migrations.sol", + "absolutePath": "/Users/chenyangfan/编程/区块链/智能合约/guigulive-operation/Lesson4/assignment/contracts/Migrations.sol", "exportedSymbols": { "Migrations": [ 56 @@ -815,7 +815,13 @@ "name": "solc", "version": "0.4.18+commit.9cf6e910.Emscripten.clang" }, - "networks": {}, + "networks": { + "1516494346939": { + "events": {}, + "links": {}, + "address": "0x0dc9474ffd55ebfcb47239e73a57591a9701c897" + } + }, "schemaVersion": "1.0.1", - "updatedAt": "2018-01-20T13:37:25.948Z" + "updatedAt": "2018-01-21T00:27:10.211Z" } \ No newline at end of file diff --git a/Lesson4/assignment/build/contracts/Payroll.json b/Lesson4/assignment/build/contracts/Payroll.json index 43b4cfb0b..763b52b43 100644 --- a/Lesson4/assignment/build/contracts/Payroll.json +++ b/Lesson4/assignment/build/contracts/Payroll.json @@ -136,15 +136,15 @@ "type": "constructor" } ], - "bytecode": 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"source": "pragma solidity ^0.4.14;\n\ncontract Payroll {\n struct Employee {\n address id;\n uint salary;\n uint lastPayday;\n }\n \n uint constant payDuration = 10 seconds;\n \n uint totalSalary;\n address owner;\n mapping(address => Employee) public employees;\n\n function Payroll() {\n owner = msg.sender;\n }\n \n modifier onlyOwner {\n require(msg.sender == owner);\n _;\n }\n \n modifier employeeExist(address employeeId) {\n var employee = employees[employeeId];\n assert(employee.id != 0x0);\n _;\n }\n \n function _partialPaid(Employee employee) private {\n uint payment = employee.salary * (now - employee.lastPayday) / payDuration;\n employee.id.transfer(payment);\n }\n \n function addEmployee(address employeeId, uint salary) onlyOwner {\n var employee = employees[employeeId];\n assert(employee.id == 0x0);\n totalSalary += salary * 1 ether;\n \n employees[employeeId] = Employee(employeeId, salary * 1 ether, now);\n }\n \n function removeEmployee(address employeeId) onlyOwner employeeExist(employeeId) {\n \n var employee = employees[employeeId];\n \n _partialPaid(employee);\n totalSalary -= employees[employeeId].salary;\n delete employees[employeeId];\n \n }\n \n function updateEmployee(address employeeId, uint salary) onlyOwner employeeExist(employeeId) {\n var employee = employees[employeeId];\n \n _partialPaid(employee);\n totalSalary -= employees[employeeId].salary;\n employees[employeeId].salary = salary * 1 ether;\n totalSalary += employees[employeeId].salary;\n employees[employeeId].lastPayday = now;\n }\n \n function addFund() payable returns (uint) {\n return this.balance;\n }\n \n function calculateRunway() returns (uint) {\n return this.balance / totalSalary;\n }\n \n function hasEnoughFund() returns (bool) {\n return calculateRunway() > 0;\n }\n \n function getPaid() employeeExist(msg.sender) {\n var employee = employees[msg.sender];\n \n uint nextPayday = employee.lastPayday + payDuration;\n assert(nextPayday < now);\n \n employees[msg.sender].lastPayday = nextPayday;\n employee.id.transfer(employee.salary);\n }\n}\n", - "sourcePath": "/home/juicebox/guigulive-operation/Lesson4/assignment/contracts/Payroll.sol", + "sourcePath": "/Users/chenyangfan/编程/区块链/智能合约/guigulive-operation/Lesson4/assignment/contracts/Payroll.sol", "ast": { "attributes": { - "absolutePath": "/home/juicebox/guigulive-operation/Lesson4/assignment/contracts/Payroll.sol", + "absolutePath": "/Users/chenyangfan/编程/区块链/智能合约/guigulive-operation/Lesson4/assignment/contracts/Payroll.sol", "exportedSymbols": { "Payroll": [ 341 @@ -4060,7 +4060,13 @@ "name": "solc", "version": "0.4.18+commit.9cf6e910.Emscripten.clang" }, - "networks": {}, + "networks": { + "1516494346939": { + "events": {}, + "links": {}, + "address": "0xc8ff05eb96968673de5681a437f3fa31aa15184d" + } + }, "schemaVersion": "1.0.1", - "updatedAt": "2018-01-20T13:37:25.864Z" + "updatedAt": "2018-01-21T00:27:10.216Z" } \ No newline at end of file diff --git a/Lesson4/assignment/migrations/2_deploy_contracts.js b/Lesson4/assignment/migrations/2_deploy_contracts.js index acae4b365..302e9a72f 100644 --- a/Lesson4/assignment/migrations/2_deploy_contracts.js +++ b/Lesson4/assignment/migrations/2_deploy_contracts.js @@ -1,4 +1,4 @@ -var Payroll = artifacts.required("./Payroll.sol"); +var Payroll = artifacts.require("./Payroll.sol"); module.exports = function(deployer) { deployer.deploy(Payroll); From 88acde5c5491cd0bfbd85f642268ea66324c13b3 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=E9=99=88=E6=89=AC=E5=B8=86?= Date: Sun, 21 Jan 2018 09:38:14 +0800 Subject: [PATCH 78/97] . --- Lesson4/assignment/README.md | 12 ++++++++++++ 1 file changed, 12 insertions(+) create mode 100644 Lesson4/assignment/README.md diff --git a/Lesson4/assignment/README.md b/Lesson4/assignment/README.md new file mode 100644 index 000000000..871e6be04 --- /dev/null +++ b/Lesson4/assignment/README.md @@ -0,0 +1,12 @@ +## 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 + +### 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？ From 3ec4c1e30e9104abe3d20c34d6dab137965bb3b8 Mon Sep 17 00:00:00 2001 From: Shunda <923076444@qq.com> Date: Mon, 22 Jan 2018 10:23:17 +0800 Subject: [PATCH 79/97] Revert "91_HW-3" --- Lesson2/hw-2.sol | 95 ---------------- Lesson3/assignment/yours.sol | 103 ------------------ lesson1/hw-1.sol | 38 ------- ...0\200\350\257\276\344\275\234\344\270\232" | 1 - 4 files changed, 237 deletions(-) delete mode 100644 Lesson2/hw-2.sol delete mode 100644 lesson1/hw-1.sol delete mode 100644 "\343\200\220\346\265\213\350\257\225\343\200\221\347\254\254\344\270\200\350\257\276\344\275\234\344\270\232" diff --git a/Lesson2/hw-2.sol b/Lesson2/hw-2.sol deleted file mode 100644 index 99ec61f12..000000000 --- a/Lesson2/hw-2.sol +++ /dev/null @@ -1,95 +0,0 @@ -pragma solidity ^0.4.14; - -contract payRoll{ - struct Employee { - address id; - uint salary; - uint lastPayday; - } - - uint constant payDuration = 10 seconds; - - address owner; - Employee[] employees; - - function Payroll(){ - owner = msg.sender; - } - - function _partialPaid(Employee employee) private { - uint payment = employee.salary * (now - employee.lastPayday) / payDuration; - employee.id.transfer(payment); - } - - function _findEmployee(address employeeId) private returns (Employee, uint){ - for(uint i=0; i 0; - } - - function getPaid() { - var (employee, index) = _findEmployee(msg.sender); - assert(employee.id == 0x0); - - - uint nextPayday = employee.lastPayday + payDuration; - assert(nextPayday < now); - - employees[index].lastPayday = nextPayday; - employees[index].id.transfer(employee.salary); - } - -} \ No newline at end of file diff --git a/Lesson3/assignment/yours.sol b/Lesson3/assignment/yours.sol index 189a9cd28..dfdb2c486 100644 --- a/Lesson3/assignment/yours.sol +++ b/Lesson3/assignment/yours.sol @@ -1,104 +1 @@ /*作业请提交在这个目录下*/ - -//q1 - -pragma solidity ^0.4.14; - -contract payRoll{ - struct Employee { - address id; - uint salary; - uint lastPayday; - } - - uint constant payDuration = 10 seconds; - - address owner; - uint totalSalary; - mapping(address => Employee) employees; - - function Payroll(){ - owner = msg.sender; - } - - function _partialPaid(Employee employee) private { - uint payment = employee.salary * (now - employee.lastPayday) / payDuration; - employee.id.transfer(payment); - } - - function addEmployee(address employeeId, uint salary){ - require(msg.sender == owner); - - var employee = employees[employeeId]; - assert(employee.id == 0x0); - totalSalary += salary * 1 ether; - employees[employeeId] = (Employee(employeeId, salary * 1 ether, now)); - } - - function removeEmployee(address employeeId){ - require(msg.sender == owner); - - var employee = employees[employeeId]; - - assert(employee.id == 0x0); - _partialPaid(employee); - totalSalary -= employees[employeeId].salary; - delete employees[employeeId]; - - } - - function updateEmployee(address employeeId, uint salary) { - require(msg.sender == owner); - - var employee = employees[employeeId]; - - assert(employee.id == 0x0); - _partialPaid(employee); - totalSalary -= employees[employeeId].salary; - employees[employeeId].salary = salary; - employees[employeeId].lastPayday = now; - totalSalary += employees[employeeId].salary; - - } - - function addFund() returns (uint) { - return this.balance; - } - - function calculateRunway() returns (uint) { - return this.balance / totalSalary; - } - - function hasEnoughFund() returns (bool) { - return calculateRunway() > 0; - } - - function checckEmployee(address employeeId) returns (uint salary, uint lastPayday){ - var employee = employees[employeeId]; - salary = employee.salary; - lastPayday = employee.lastPayday; - } - - function getPaid() { - var employee = employees[msg.sender]; - assert(employee.id == 0x0); - - - uint nextPayday = employee.lastPayday + payDuration; - assert(nextPayday < now); - - employee.lastPayday = nextPayday; - employee.id.transfer(employee.salary); - } - -} - - -/// q2 -function changePaymentAddress(address employeeId, address newEmployeeId) onlyOwner employeeExist(employeeId) { - var employee = employees[employeeId]; - - _partialPaid(employee); - employees[employeeId].id = newEmployeeId; - employees[newEmployeeId].lastPayday = now; -} diff --git a/lesson1/hw-1.sol b/lesson1/hw-1.sol deleted file mode 100644 index 455d868ab..000000000 --- a/lesson1/hw-1.sol +++ /dev/null @@ -1,38 +0,0 @@ -pragma solidity ^0.4.14; - -contract payRoll{ - uint salary = 1 ether; - address wallet; - uint constant payDuration = 30 days; - uint lastPayday = now; - - function getWallet() { - wallet = msg.sender; - } - - function addFund() returns (uint) { - return this.balance; - } - - function calculateRunway() returns (uint) { - return this.balance / salary; - } - - function hasEnoughFund() returns (bool) { - return calculateRunway() > 0; - } - - function getPaid() { - if(msg.sender != wallet){ - revert(); - } - - uint nextPayday = lastPayday + payDuration; - if(nextPayday > now){ - revert(); - } - lastPayday = nextPayday; - wallet.transfer(salary); - } - -} \ No newline at end of file diff --git "a/\343\200\220\346\265\213\350\257\225\343\200\221\347\254\254\344\270\200\350\257\276\344\275\234\344\270\232" "b/\343\200\220\346\265\213\350\257\225\343\200\221\347\254\254\344\270\200\350\257\276\344\275\234\344\270\232" deleted file mode 100644 index f0ce4777d..000000000 --- "a/\343\200\220\346\265\213\350\257\225\343\200\221\347\254\254\344\270\200\350\257\276\344\275\234\344\270\232" +++ /dev/null @@ -1 +0,0 @@ -测试·第一课作业 From e834fa8c512855a4539888b153bf21bbd38fbbca Mon Sep 17 00:00:00 2001 From: 923076444 <923076444@qq.com> Date: Mon, 22 Jan 2018 10:37:05 +0800 Subject: [PATCH 80/97] =?UTF-8?q?=E6=B7=BB=E5=8A=A0=E7=AC=AC=E4=BA=94?= =?UTF-8?q?=E8=AF=BE=E7=9B=AE=E5=BD=95?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- Lesson5/README.md | 13 +++++++++++++ Lesson5/assignment/README.md | 2 ++ Lesson5/assignment/yours.sol | 1 + Lesson5/orgin/README.md | 3 +++ Lesson5/orgin/payroll.sol | 1 + 5 files changed, 20 insertions(+) create mode 100644 Lesson5/README.md create mode 100644 Lesson5/assignment/README.md create mode 100644 Lesson5/assignment/yours.sol create mode 100644 Lesson5/orgin/README.md create mode 100644 Lesson5/orgin/payroll.sol diff --git a/Lesson5/README.md b/Lesson5/README.md new file mode 100644 index 000000000..0d3ed1d1e --- /dev/null +++ b/Lesson5/README.md @@ -0,0 +1,13 @@ +## 硅谷live以太坊智能合约频道官方地址 + +### 第五课 + +目录结构 +
| +
|--orgin 课程初始代码 +
| +
|--assignment 课程作业提交代码 +
+ +### 本节知识点 + diff --git a/Lesson5/assignment/README.md b/Lesson5/assignment/README.md new file mode 100644 index 000000000..5661cd368 --- /dev/null +++ b/Lesson5/assignment/README.md @@ -0,0 +1,2 @@ +## 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 diff --git a/Lesson5/assignment/yours.sol b/Lesson5/assignment/yours.sol new file mode 100644 index 000000000..dfdb2c486 --- /dev/null +++ b/Lesson5/assignment/yours.sol @@ -0,0 +1 @@ +/*作业请提交在这个目录下*/ diff --git a/Lesson5/orgin/README.md b/Lesson5/orgin/README.md new file mode 100644 index 000000000..8eb7d081e --- /dev/null +++ b/Lesson5/orgin/README.md @@ -0,0 +1,3 @@ +## 硅谷live以太坊智能合约 第五课 + +这里是每一课的初始代码，有需要的同学可以参考 diff --git a/Lesson5/orgin/payroll.sol b/Lesson5/orgin/payroll.sol new file mode 100644 index 000000000..8b1378917 --- /dev/null +++ b/Lesson5/orgin/payroll.sol @@ -0,0 +1 @@ + From 6aa23514b6533809de7d0079ed31101390c85f7c Mon Sep 17 00:00:00 2001 From: someone <> Date: Sun, 21 Jan 2018 22:59:05 -0800 Subject: [PATCH 81/97] whatever --- Lesson5/orgin/LICENSE | 201 ++ Lesson5/orgin/README.md | 14 +- Lesson5/orgin/box-img-lg.png | Bin 0 -> 113830 bytes Lesson5/orgin/box-img-sm.png | Bin 0 -> 5412 bytes Lesson5/orgin/config/env.js | 28 + Lesson5/orgin/config/jest/cssTransform.js | 12 + Lesson5/orgin/config/jest/fileTransform.js | 10 + Lesson5/orgin/config/paths.js | 46 + Lesson5/orgin/config/polyfills.js | 14 + Lesson5/orgin/config/webpack.config.dev.js | 242 +++ Lesson5/orgin/config/webpack.config.prod.js | 269 +++ Lesson5/orgin/contracts/Migrations.sol | 23 + Lesson5/orgin/contracts/Ownable.sol | 44 + Lesson5/orgin/contracts/Payroll.sol | 101 + Lesson5/orgin/contracts/SafeMath.sol | 32 + .../orgin/migrations/1_initial_migration.js | 5 + .../orgin/migrations/2_deploy_contracts.js | 12 + Lesson5/orgin/package.json | 102 + Lesson5/orgin/public/favicon.ico | Bin 0 -> 32038 bytes Lesson5/orgin/public/index.html | 31 + Lesson5/orgin/scripts/build.js | 224 +++ Lesson5/orgin/scripts/start.js | 315 ++++ Lesson5/orgin/scripts/test.js | 31 + Lesson5/orgin/src/App.css | 12 + Lesson5/orgin/src/App.js | 125 ++ Lesson5/orgin/src/App.test.js | 8 + Lesson5/orgin/src/components/Common.js | 70 + Lesson5/orgin/src/components/EditableCell.js | 55 + Lesson5/orgin/src/components/Employee.js | 67 + Lesson5/orgin/src/components/EmployeeList.js | 129 ++ Lesson5/orgin/src/components/Employer.js | 73 + Lesson5/orgin/src/components/Fund.js | 52 + Lesson5/orgin/src/css/open-sans.css | 13 + Lesson5/orgin/src/css/oswald.css | 27 + Lesson5/orgin/src/css/pure-min.css | 11 + .../src/fonts/Open-Sans-regular/LICENSE.txt | 202 ++ .../Open-Sans-regular/Open-Sans-regular.eot | Bin 0 -> 18233 bytes .../Open-Sans-regular/Open-Sans-regular.svg | 1637 +++++++++++++++++ .../Open-Sans-regular/Open-Sans-regular.ttf | Bin 0 -> 34156 bytes .../Open-Sans-regular/Open-Sans-regular.woff | Bin 0 -> 14260 bytes .../Open-Sans-regular/Open-Sans-regular.woff2 | Bin 0 -> 10352 bytes .../orgin/src/fonts/Oswald-300/LICENSE.txt | 93 + .../orgin/src/fonts/Oswald-300/Oswald-300.eot | Bin 0 -> 16752 bytes .../orgin/src/fonts/Oswald-300/Oswald-300.svg | 335 ++++ .../orgin/src/fonts/Oswald-300/Oswald-300.ttf | Bin 0 -> 30704 bytes .../src/fonts/Oswald-300/Oswald-300.woff | Bin 0 -> 12864 bytes .../src/fonts/Oswald-300/Oswald-300.woff2 | Bin 0 -> 10056 bytes .../src/fonts/Oswald-regular/LICENSE.txt | 93 + .../fonts/Oswald-regular/Oswald-regular.eot | Bin 0 -> 17937 bytes .../fonts/Oswald-regular/Oswald-regular.svg | 347 ++++ .../fonts/Oswald-regular/Oswald-regular.ttf | Bin 0 -> 34408 bytes .../fonts/Oswald-regular/Oswald-regular.woff | Bin 0 -> 12732 bytes .../fonts/Oswald-regular/Oswald-regular.woff2 | Bin 0 -> 9964 bytes Lesson5/orgin/src/index.css | 5 + Lesson5/orgin/src/index.js | 8 + Lesson5/orgin/src/utils/getWeb3.js | 38 + Lesson5/orgin/test/TestSimpleStorage.sol | 14 + Lesson5/orgin/test/simplestorage.js | 17 + Lesson5/orgin/truffle-config.js | 10 + Lesson5/orgin/truffle.js | 10 + 60 files changed, 5205 insertions(+), 2 deletions(-) create mode 100644 Lesson5/orgin/LICENSE create mode 100644 Lesson5/orgin/box-img-lg.png create mode 100644 Lesson5/orgin/box-img-sm.png create mode 100644 Lesson5/orgin/config/env.js create mode 100644 Lesson5/orgin/config/jest/cssTransform.js create mode 100644 Lesson5/orgin/config/jest/fileTransform.js create mode 100644 Lesson5/orgin/config/paths.js create mode 100644 Lesson5/orgin/config/polyfills.js create mode 100644 Lesson5/orgin/config/webpack.config.dev.js create mode 100644 Lesson5/orgin/config/webpack.config.prod.js create mode 100644 Lesson5/orgin/contracts/Migrations.sol create mode 100644 Lesson5/orgin/contracts/Ownable.sol create mode 100644 Lesson5/orgin/contracts/Payroll.sol create mode 100644 Lesson5/orgin/contracts/SafeMath.sol create mode 100644 Lesson5/orgin/migrations/1_initial_migration.js create mode 100644 Lesson5/orgin/migrations/2_deploy_contracts.js create mode 100644 Lesson5/orgin/package.json create mode 100644 Lesson5/orgin/public/favicon.ico create mode 100644 Lesson5/orgin/public/index.html create mode 100644 Lesson5/orgin/scripts/build.js create mode 100644 Lesson5/orgin/scripts/start.js create mode 100644 Lesson5/orgin/scripts/test.js create mode 100644 Lesson5/orgin/src/App.css create mode 100644 Lesson5/orgin/src/App.js create mode 100644 Lesson5/orgin/src/App.test.js create mode 100644 Lesson5/orgin/src/components/Common.js create mode 100644 Lesson5/orgin/src/components/EditableCell.js create mode 100644 Lesson5/orgin/src/components/Employee.js create mode 100644 Lesson5/orgin/src/components/EmployeeList.js create mode 100644 Lesson5/orgin/src/components/Employer.js create mode 100644 Lesson5/orgin/src/components/Fund.js create mode 100644 Lesson5/orgin/src/css/open-sans.css create mode 100644 Lesson5/orgin/src/css/oswald.css create mode 100644 Lesson5/orgin/src/css/pure-min.css create mode 100644 Lesson5/orgin/src/fonts/Open-Sans-regular/LICENSE.txt create mode 100644 Lesson5/orgin/src/fonts/Open-Sans-regular/Open-Sans-regular.eot create mode 100644 Lesson5/orgin/src/fonts/Open-Sans-regular/Open-Sans-regular.svg create mode 100644 Lesson5/orgin/src/fonts/Open-Sans-regular/Open-Sans-regular.ttf create mode 100644 Lesson5/orgin/src/fonts/Open-Sans-regular/Open-Sans-regular.woff create mode 100644 Lesson5/orgin/src/fonts/Open-Sans-regular/Open-Sans-regular.woff2 create mode 100644 Lesson5/orgin/src/fonts/Oswald-300/LICENSE.txt create mode 100644 Lesson5/orgin/src/fonts/Oswald-300/Oswald-300.eot create mode 100644 Lesson5/orgin/src/fonts/Oswald-300/Oswald-300.svg create mode 100644 Lesson5/orgin/src/fonts/Oswald-300/Oswald-300.ttf create mode 100644 Lesson5/orgin/src/fonts/Oswald-300/Oswald-300.woff create mode 100644 Lesson5/orgin/src/fonts/Oswald-300/Oswald-300.woff2 create mode 100644 Lesson5/orgin/src/fonts/Oswald-regular/LICENSE.txt create mode 100644 Lesson5/orgin/src/fonts/Oswald-regular/Oswald-regular.eot create mode 100644 Lesson5/orgin/src/fonts/Oswald-regular/Oswald-regular.svg create mode 100644 Lesson5/orgin/src/fonts/Oswald-regular/Oswald-regular.ttf create mode 100644 Lesson5/orgin/src/fonts/Oswald-regular/Oswald-regular.woff create mode 100644 Lesson5/orgin/src/fonts/Oswald-regular/Oswald-regular.woff2 create mode 100644 Lesson5/orgin/src/index.css create mode 100644 Lesson5/orgin/src/index.js create mode 100644 Lesson5/orgin/src/utils/getWeb3.js create mode 100644 Lesson5/orgin/test/TestSimpleStorage.sol create mode 100644 Lesson5/orgin/test/simplestorage.js create mode 100644 Lesson5/orgin/truffle-config.js create mode 100644 Lesson5/orgin/truffle.js diff --git a/Lesson5/orgin/LICENSE b/Lesson5/orgin/LICENSE new file mode 100644 index 000000000..8dada3eda --- /dev/null +++ b/Lesson5/orgin/LICENSE @@ -0,0 +1,201 @@ + Apache License + Version 2.0, January 2004 + http://www.apache.org/licenses/ + + TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION + + 1. 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We also recommend that a + file or class name and description of purpose be included on the + same "printed page" as the copyright notice for easier + identification within third-party archives. + + Copyright {yyyy} {name of copyright owner} + + Licensed under the Apache License, Version 2.0 (the "License"); + you may not use this file except in compliance with the License. + You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + + Unless required by applicable law or agreed to in writing, software + distributed under the License is distributed on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + See the License for the specific language governing permissions and + limitations under the License. diff --git a/Lesson5/orgin/README.md b/Lesson5/orgin/README.md index 8eb7d081e..7c98c0387 100644 --- a/Lesson5/orgin/README.md +++ b/Lesson5/orgin/README.md @@ -1,3 +1,13 @@ -## 硅谷live以太坊智能合约 第五课 +# payroll -这里是每一课的初始代码，有需要的同学可以参考 +A payroll system developed with React and Solidty for Ethereum Blockchain platform. + +## Get Started + +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` diff --git a/Lesson5/orgin/box-img-lg.png b/Lesson5/orgin/box-img-lg.png new file mode 100644 index 0000000000000000000000000000000000000000..60c19962ad5846379c8f2a985e21fb518e7dcaa6 GIT binary patch literal 113830 zcmeEtWm8;1*X_XIPH?y2?(V^YhhV|o-Ccq^Awhy$aCaZv-FJYdQe{ zh@U<_5L2tZ&+iurJilu=f46Y9HUR+OQs|jv7-$*i7zb%abS(!5RO1P?R)^JCLDD7+Z_{?RP3-Y^>8fSU1p)6{wSf?hg$6@`oa)x;Rzu zZTao7)*E!KXHrD^YSI0osfZgE#HwJd({Q~j1Or~tc z|M}P8#|X~;J6uh&Ct_l`m|(z_s9ACE-B(|Y^G*IX3D^#KyDAe)h49ocy9Xb zJ$5^*(+9?^kppWW+#^dBM?!~1nD>O8-<~x@C{2QImo&^OlA_Bw(nHqkde-#hP~|=Q z?=%0cU@RxPMJrxKyj8SJJo>;Kve%Z>zh%c_w$oAb$>y&Kr|&N)zT>}eO28uE**FJ= z3-3N3$vpcl`;XADW+E4}o#x9(gI-J@H5d z@KV!mEEfN9-L3STYg|94r|KOHs7B<}+ z4dV}nM{n8FlCieu1OjXUY)S44--CKmau21w(;w=$>bqv@oSxWqTF+vc!8*Q2Y_@n* z1XJ4DK~7FXaH$!WJ4HiN^GO~F!hg50qCnR60*J$wLXu+!?-P7K`!T`l>|FQ#WB%$q zYGh?1FRsgxK2w_}k-f5!cxcRt*ws|7du+iB){_s?NPl5XoUE)TdJTT+na@?OGI!2- 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literal 0 HcmV?d00001 diff --git a/Lesson5/orgin/config/env.js b/Lesson5/orgin/config/env.js new file mode 100644 index 000000000..5d0ab7b79 --- /dev/null +++ b/Lesson5/orgin/config/env.js @@ -0,0 +1,28 @@ +// Grab NODE_ENV and REACT_APP_* environment variables and prepare them to be +// injected into the application via DefinePlugin in Webpack configuration. + +var REACT_APP = /^REACT_APP_/i; + +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, . + // 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}; +} + +module.exports = getClientEnvironment; diff --git a/Lesson5/orgin/config/jest/cssTransform.js b/Lesson5/orgin/config/jest/cssTransform.js new file mode 100644 index 000000000..aa17d127a --- /dev/null +++ b/Lesson5/orgin/config/jest/cssTransform.js @@ -0,0 +1,12 @@ +// This is a custom Jest transformer turning style imports into empty objects. +// http://facebook.github.io/jest/docs/tutorial-webpack.html + +module.exports = { + process() { + return 'module.exports = {};'; + }, + getCacheKey(fileData, filename) { + // The output is always the same. + return 'cssTransform'; + }, +}; diff --git a/Lesson5/orgin/config/jest/fileTransform.js b/Lesson5/orgin/config/jest/fileTransform.js new file mode 100644 index 000000000..927eb305a --- /dev/null +++ b/Lesson5/orgin/config/jest/fileTransform.js @@ -0,0 +1,10 @@ +const path = require('path'); + +// This is a custom Jest transformer turning file imports into filenames. +// http://facebook.github.io/jest/docs/tutorial-webpack.html + +module.exports = { + process(src, filename) { + return 'module.exports = ' + JSON.stringify(path.basename(filename)) + ';'; + }, +}; diff --git a/Lesson5/orgin/config/paths.js b/Lesson5/orgin/config/paths.js new file mode 100644 index 000000000..96c3dfb11 --- /dev/null +++ b/Lesson5/orgin/config/paths.js @@ -0,0 +1,46 @@ +var path = require('path'); +var fs = require('fs'); + +// 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); +} + +// 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. + +// It works similar to `NODE_PATH` in Node itself: +// https://nodejs.org/api/modules.html#modules_loading_from_the_global_folders + +// 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. + +// 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 + +var nodePaths = (process.env.NODE_PATH || '') + .split(process.platform === 'win32' ? ';' : ':') + .filter(Boolean) + .filter(folder => !path.isAbsolute(folder)) + .map(resolveApp); + +// 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 +}; diff --git a/Lesson5/orgin/config/polyfills.js b/Lesson5/orgin/config/polyfills.js new file mode 100644 index 000000000..7e601502b --- /dev/null +++ b/Lesson5/orgin/config/polyfills.js @@ -0,0 +1,14 @@ +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'); +} + +// fetch() polyfill for making API calls. +require('whatwg-fetch'); + +// 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'); diff --git a/Lesson5/orgin/config/webpack.config.dev.js b/Lesson5/orgin/config/webpack.config.dev.js new file mode 100644 index 000000000..821743a2e --- /dev/null +++ b/Lesson5/orgin/config/webpack.config.dev.js @@ -0,0 +1,242 @@ +var autoprefixer = require('autoprefixer'); +var webpack = require('webpack'); +var HtmlWebpackPlugin = require('html-webpack-plugin'); +var CaseSensitivePathsPlugin = require('case-sensitive-paths-webpack-plugin'); +var InterpolateHtmlPlugin = require('react-dev-utils/InterpolateHtmlPlugin'); +var WatchMissingNodeModulesPlugin = require('react-dev-utils/WatchMissingNodeModulesPlugin'); +var getClientEnvironment = require('./env'); +var paths = require('./paths'); + + + +// Webpack uses `publicPath` to determine where the app is being served from. +// In development, we always serve from the root. This makes config easier. +var publicPath = '/'; +// `publicUrl` is just like `publicPath`, but we will provide it to our app +// as %PUBLIC_URL% in `index.html` and `process.env.PUBLIC_URL` in JavaScript. +// Omit trailing slash as %PUBLIC_PATH%/xyz looks better than %PUBLIC_PATH%xyz. +var publicUrl = ''; +// Get environment variables to inject into our app. +var env = getClientEnvironment(publicUrl); + +// This is the development configuration. +// It is focused on developer experience and fast rebuilds. +// The production configuration is different and lives in a separate file. +module.exports = { + // You may want 'eval' instead if you prefer to see the compiled output in DevTools. + // See the discussion in https://github.com/facebookincubator/create-react-app/issues/343. + devtool: 'cheap-module-source-map', + // These are the "entry points" to our application. + // This means they will be the "root" imports that are included in JS bundle. + // The first two entry points enable "hot" CSS and auto-refreshes for JS. + entry: [ + // Include an alternative client for WebpackDevServer. A client's job is to + // connect to WebpackDevServer by a socket and get notified about changes. + // When you save a file, the client will either apply hot updates (in case + // of CSS changes), or refresh the page (in case of JS changes). When you + // make a syntax error, this client will display a syntax error overlay. + // Note: instead of the default WebpackDevServer client, we use a custom one + // to bring better experience for Create React App users. You can replace + // the line below with these two lines if you prefer the stock client: + // require.resolve('webpack-dev-server/client') + '?/', + // require.resolve('webpack/hot/dev-server'), + require.resolve('react-dev-utils/webpackHotDevClient'), + // We ship a few polyfills by default: + require.resolve('./polyfills'), + // Finally, this is your app's code: + paths.appIndexJs + // We include the app code last so that if there is a runtime error during + // initialization, it doesn't blow up the WebpackDevServer client, and + // changing JS code would still trigger a refresh. + ], + output: { + // Next line is not used in dev but WebpackDevServer crashes without it: + path: paths.appBuild, + // Add /* filename */ comments to generated require()s in the output. + pathinfo: true, + // This does not produce a real file. It's just the virtual path that is + // served by WebpackDevServer in development. This is the JS bundle + // containing code from all our entry points, and the Webpack runtime. + filename: 'static/js/bundle.js', + // This is the URL that app is served from. We use "/" in development. + publicPath: publicPath + }, + resolve: { + // This allows you to set a fallback for where Webpack should look for modules. + // We read `NODE_PATH` environment variable in `paths.js` and pass paths here. + // We use `fallback` instead of `root` because we want `node_modules` to "win" + // if there any conflicts. This matches Node resolution mechanism. + // https://github.com/facebookincubator/create-react-app/issues/253 + fallback: paths.nodePaths, + // These are the reasonable defaults supported by the Node ecosystem. + // We also include JSX as a common component filename extension to support + // some tools, although we do not recommend using it, see: + // https://github.com/facebookincubator/create-react-app/issues/290 + extensions: ['.js', '.json', '.jsx', ''], + alias: { + // Support React Native Web + // https://www.smashingmagazine.com/2016/08/a-glimpse-into-the-future-with-react-native-for-web/ + 'react-native': 'react-native-web' + } + }, + + module: { + // First, run the linter. + // It's important to do this before Babel processes the JS. + preLoaders: [ + { + test: /\.(js|jsx)$/, + loader: 'eslint', + include: paths.appSrc, + } + ], + loaders: [ + // Default loader: load all assets that are not handled + // by other loaders with the url loader. + // Note: This list needs to be updated with every change of extensions + // the other loaders match. + // E.g., when adding a loader for a new supported file extension, + // we need to add the supported extension to this loader too. + // Add one new line in `exclude` for each loader. + // + // "file" loader makes sure those assets get served by WebpackDevServer. + // When you `import` an asset, you get its (virtual) filename. + // In production, they would get copied to the `build` folder. + // "url" loader works like "file" loader except that it embeds assets + // smaller than specified limit in bytes as data URLs to avoid requests. + // A missing `test` is equivalent to a match. + { + exclude: [ + /\.html$/, + /\.(js|jsx)$/, + /\.css$/, + /\.json$/, + /\.woff$/, + /\.woff2$/, + /\.(ttf|svg|eot)$/ + ], + loader: 'url', + query: { + limit: 10000, + name: 'static/media/[name].[hash:8].[ext]' + } + }, + // Process JS with Babel. + { + test: /\.(js|jsx)$/, + include: paths.appSrc, + loader: 'babel', + query: { + + // This is a feature of `babel-loader` for webpack (not Babel itself). + // It enables caching results in ./node_modules/.cache/babel-loader/ + // directory for faster rebuilds. + cacheDirectory: true + } + }, + // "postcss" loader applies autoprefixer to our CSS. + // "css" loader resolves paths in CSS and adds assets as dependencies. + // "style" loader turns CSS into JS modules that inject