diff --git a/Lesson-3/README.md b/Lesson-3/README.md new file mode 100644 index 0000000..ba26ced --- /dev/null +++ b/Lesson-3/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/Lesson-3/assignment/C3 Linearization.sol b/Lesson-3/assignment/C3 Linearization.sol new file mode 100644 index 0000000..72cfc74 --- /dev/null +++ b/Lesson-3/assignment/C3 Linearization.sol @@ -0,0 +1,25 @@ +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 + +https://en.wikipedia.org/wiki/C3_linearization +https://blog.tedxiong.com/C3_Linearization.html + +solidity的继承链是靠右的更近，这点和python不一样 + +L[O] = [O] +L[A] = [A,O] +L[B] = [B,O] +L[C] = [C,O] +L[k1] = [K1]+merge(L[B],L[A],[B,A]) // merge规则：按照继承顺序加入merge，最后再加一个所有父类顺序添加的序列 + = [K1]+merge([B,O],[A,O],[B,A]) // 规则：取一个元素（它是其他序列中的第一个元素，或不在其他序列出现,如果有多个元素符合，选前面一个）加到最前序列后面 + = [K1,B]+merge([O],[A,O],[A]) + = [K1,B,A,O] +L[K2] = [k2,C,A,O] +L[Z] = [Z] + merge(L[K2],L[K1],[K2,K1]) + = [Z] + merge([K2,C,A,O],[k1,B,A,O],[K2,K1]) + = [Z,K2,C,K1,B,A,O] diff --git a/Lesson-3/assignment/README.md b/Lesson-3/assignment/README.md new file mode 100644 index 0000000..01011eb --- /dev/null +++ b/Lesson-3/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/Lesson-3/assignment/WX20180321-162512@2x.png b/Lesson-3/assignment/WX20180321-162512@2x.png new file mode 100644 index 0000000..3ea328d Binary files /dev/null and b/Lesson-3/assignment/WX20180321-162512@2x.png differ diff --git a/Lesson-3/assignment/WX20180321-162543@2x.png b/Lesson-3/assignment/WX20180321-162543@2x.png new file mode 100644 index 0000000..2e71397 Binary files /dev/null and b/Lesson-3/assignment/WX20180321-162543@2x.png differ diff --git a/Lesson-3/assignment/payroll.sol b/Lesson-3/assignment/payroll.sol new file mode 100644 index 0000000..31492b9 --- /dev/null +++ b/Lesson-3/assignment/payroll.sol @@ -0,0 +1,89 @@ +pragma solidity ^0.4.14; +import './SafeMath.sol'; +import './Ownable.sol'; + +contract Payroll is Ownable{ + + using SafeMath for uint; + + struct Employee{ + address employeeAddress; + uint salary; + uint lastPayday; + } + mapping(address => Employee) public employeeMapping; + uint constant payDuration = 30 seconds; + address ownerAddress; + uint totalSalary = 0; + + + modifier employeeExist(address addr){ + var employee = employeeMapping[addr]; + require(employee.employeeAddress != 0x0); + _; + } + + function _partialPay(Employee emp) private{ + uint totalSalary = emp.salary.mul(now.sub(emp.lastPayday)).div(payDuration); + + emp.employeeAddress.transfer(totalSalary); + } + + function addEmployee(address addr,uint sal) onlyOwner { + + uint oneSalary = sal.mul(1 ether); + totalSalary = totalSalary.add(oneSalary); + employeeMapping[addr] = Employee(addr,oneSalary,now); + } + function removeEmployee(address addr) onlyOwner employeeExist(addr){ + var employee = employeeMapping[addr]; + totalSalary = totalSalary.sub(employee.salary); + _partialPay(employee); + delete(employeeMapping[addr]); + + } + function updateEmployee(address oldAddress,address newAddresss,uint sal) onlyOwner employeeExist(oldAddress){ + + var employee = employeeMapping[oldAddress]; + uint oneSalary = sal.mul(1 ether); + totalSalary = totalSalary.sub(employee.salary).add(oneSalary); + employee.employeeAddress = newAddresss; + employee.salary = oneSalary; + + } + function changePaymentAddress(address oldAddress,address newAddresss) onlyOwner employeeExist(oldAddress){ + var employee = employeeMapping[oldAddress]; + employee.employeeAddress = newAddresss; + } + + + function calculateRunway() view returns(uint){ + + uint selfbalance = getAddressBalance(this); + return selfbalance.div(totalSalary); + } + function hasEnoughFund() returns(bool){ + return calculateRunway() > 0; + } + + function addFund() payable returns(uint){ + + return this.balance; + } + + + function getPaid() employeeExist(msg.sender) { + var employee = employeeMapping[msg.sender]; + uint intervalTime = now.sub(employee.lastPayday); + require(intervalTime >= payDuration); + + uint times = intervalTime.div(payDuration); + employee.lastPayday = employee.lastPayday.add(times.mul(payDuration)); + employee.employeeAddress.transfer(employee.salary.mul(times)); + } + + function getAddressBalance(address addr) public view returns(uint){ + return addr.balance; + } + +} diff --git a/Lesson-3/orgin/README.md b/Lesson-3/orgin/README.md new file mode 100644 index 0000000..6106ea1 --- /dev/null +++ b/Lesson-3/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/Lesson-3/orgin/payroll.sol b/Lesson-3/orgin/payroll.sol new file mode 100644 index 0000000..e69de29 diff --git a/Lesson-4/README.md b/Lesson-4/README.md new file mode 100644 index 0000000..34bf0bb --- /dev/null +++ b/Lesson-4/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 diff --git a/Lesson-4/assignment/Migrations.json b/Lesson-4/assignment/Migrations.json new file mode 100644 index 0000000..6406cc4 --- /dev/null +++ b/Lesson-4/assignment/Migrations.json @@ -0,0 +1,1397 @@ +{ + "contractName": "Migrations", + "abi": [ + { + "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" + }, + { + "inputs": [], + "payable": false, + "stateMutability": "nonpayable", + "type": "constructor" + }, + { + "constant": false, + "inputs": [ + { + "name": "completed", + "type": "uint256" + } + ], + "name": "setCompleted", + "outputs": [], + "payable": false, + "stateMutability": "nonpayable", + "type": "function" + }, + { + "constant": false, + "inputs": [ + { + "name": "new_address", + "type": "address" + } + ], + "name": "upgrade", + "outputs": [], + "payable": false, + "stateMutability": "nonpayable", + "type": "function" + } + ], + "bytecode": "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", + "deployedBytecode": "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", + "sourceMap": "25:488:0:-;;;177:58;;;;;;;;220:10;212:5;;:18;;;;;;;;;;;;;;;;;;25:488;;;;;;", + "deployedSourceMap": "25:488:0:-;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;346:165;;;;;;;;;;;;;;;;;;;;;;;;;;;;73:36;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;49:20;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;239:103;;;;;;;;;;;;;;;;;;;;;;;;;;346:165;408:19;160:5;;;;;;;;;;;146:19;;:10;:19;;;142:26;;;441:11;408:45;;459:8;:21;;;481:24;;459:47;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;142:26;346:165;;:::o;73:36::-;;;;:::o;49:20::-;;;;;;;;;;;;;:::o;239:103::-;160:5;;;;;;;;;;;146:19;;:10;:19;;;142:26;;;328:9;301:24;:36;;;;142:26;239:103;:::o", + "source": "pragma solidity ^0.4.2;\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/payroll/contracts/Migrations.sol", + "ast": { + "absolutePath": "/home/juicebox/payroll/contracts/Migrations.sol", + "exportedSymbols": { + "Migrations": [ + 56 + ] + }, + "id": 57, + "nodeType": "SourceUnit", + "nodes": [ + { + "id": 1, + "literals": [ + "solidity", + "^", + "0.4", + ".2" + ], + "nodeType": "PragmaDirective", + "src": "0:23:0" + }, + { + "baseContracts": [], + "contractDependencies": [], + "contractKind": "contract", + "documentation": null, + "fullyImplemented": true, + "id": 56, + "linearizedBaseContracts": [ + 56 + ], + "name": "Migrations", + "nodeType": "ContractDefinition", + "nodes": [ + { + "constant": false, + "id": 3, + "name": "owner", + "nodeType": "VariableDeclaration", + "scope": 56, + "src": "49:20:0", + "stateVariable": true, + "storageLocation": "default", + "typeDescriptions": { + "typeIdentifier": "t_address", + "typeString": "address" + }, + "typeName": { + "id": 2, + "name": "address", + "nodeType": "ElementaryTypeName", + "src": "49:7:0", + "typeDescriptions": { + "typeIdentifier": "t_address", + "typeString": "address" + } + }, + "value": null, + "visibility": "public" + }, + { + "constant": false, + "id": 5, + "name": "last_completed_migration", + "nodeType": "VariableDeclaration", + "scope": 56, + "src": "73:36:0", + "stateVariable": true, + "storageLocation": "default", + "typeDescriptions": { + "typeIdentifier": "t_uint256", + "typeString": "uint256" + }, + "typeName": { + "id": 4, + "name": "uint", + "nodeType": "ElementaryTypeName", + "src": "73:4:0", + "typeDescriptions": { + "typeIdentifier": "t_uint256", + "typeString": "uint256" + } + }, + "value": null, + "visibility": "public" + }, + { + "body": { + "id": 13, + "nodeType": "Block", + "src": "136:37:0", + "statements": [ + { + "condition": { + "argumentTypes": null, + "commonType": { + "typeIdentifier": "t_address", + "typeString": "address" + }, + "id": 10, + "isConstant": false, + "isLValue": false, + "isPure": false, + "lValueRequested": false, + "leftExpression": { + "argumentTypes": null, + "expression": { + "argumentTypes": null, + "id": 7, + "name": "msg", + "nodeType": "Identifier", + "overloadedDeclarations": [], + "referencedDeclaration": 91, + "src": "146:3:0", + "typeDescriptions": { + "typeIdentifier": "t_magic_message", + "typeString": "msg" + } + }, + "id": 8, + "isConstant": false, + "isLValue": false, + "isPure": false, + "lValueRequested": false, + "memberName": "sender", + "nodeType": "MemberAccess", + "referencedDeclaration": null, + "src": "146:10:0", + "typeDescriptions": { + "typeIdentifier": "t_address", + "typeString": "address" + } + }, + "nodeType": "BinaryOperation", + "operator": "==", + "rightExpression": { + "argumentTypes": null, + "id": 9, + "name": "owner", + "nodeType": "Identifier", + "overloadedDeclarations": [], + "referencedDeclaration": 3, + "src": "160:5:0", + "typeDescriptions": { + "typeIdentifier": "t_address", + "typeString": "address" + } + }, + "src": "146:19:0", + "typeDescriptions": { + "typeIdentifier": "t_bool", + "typeString": "bool" + } + }, + "falseBody": null, + "id": 12, + "nodeType": "IfStatement", + "src": "142:26:0", + "trueBody": { + "id": 11, + "nodeType": "PlaceholderStatement", + "src": "167:1:0" + } + } + ] + }, + "id": 14, + "name": "restricted", + "nodeType": "ModifierDefinition", + "parameters": { + "id": 6, + "nodeType": "ParameterList", + "parameters": [], + "src": "133:2:0" + }, + "src": "114:59:0", + "visibility": "internal" + }, + { + "body": { + "id": 22, + "nodeType": "Block", + "src": "206:29:0", + "statements": [ + { + "expression": { + "argumentTypes": null, + "id": 20, + "isConstant": false, + "isLValue": false, + "isPure": false, + "lValueRequested": false, + "leftHandSide": { + "argumentTypes": null, + "id": 17, + "name": "owner", + "nodeType": "Identifier", + "overloadedDeclarations": [], + "referencedDeclaration": 3, + "src": "212:5:0", + "typeDescriptions": { + "typeIdentifier": "t_address", + "typeString": "address" + } + }, + "nodeType": "Assignment", + "operator": "=", + "rightHandSide": { + "argumentTypes": null, + "expression": { + "argumentTypes": null, + "id": 18, + "name": "msg", + "nodeType": "Identifier", + "overloadedDeclarations": [], + "referencedDeclaration": 91, + "src": "220:3:0", + "typeDescriptions": { + "typeIdentifier": "t_magic_message", + "typeString": "msg" + } + }, + "id": 19, + "isConstant": false, + "isLValue": false, + "isPure": false, + "lValueRequested": false, + "memberName": "sender", + "nodeType": "MemberAccess", + "referencedDeclaration": null, + "src": "220:10:0", + "typeDescriptions": { + "typeIdentifier": "t_address", + "typeString": "address" + } + }, + "src": "212:18:0", + "typeDescriptions": { + "typeIdentifier": "t_address", + "typeString": "address" + } + }, + "id": 21, + "nodeType": "ExpressionStatement", + "src": "212:18:0" + } + ] + }, + "id": 23, + "implemented": true, + "isConstructor": true, + "isDeclaredConst": false, + "modifiers": [], + "name": "Migrations", + "nodeType": "FunctionDefinition", + "parameters": { + "id": 15, + "nodeType": "ParameterList", + "parameters": [], + "src": "196:2:0" + }, + "payable": false, + "returnParameters": { + "id": 16, + "nodeType": "ParameterList", + "parameters": [], + "src": "206:0:0" + }, + "scope": 56, + "src": "177:58:0", + "stateMutability": "nonpayable", + "superFunction": null, + "visibility": "public" + }, + { + "body": { + "id": 34, + "nodeType": "Block", + "src": "295:47:0", + "statements": [ + { + "expression": { + "argumentTypes": null, + "id": 32, + "isConstant": false, + "isLValue": false, + "isPure": false, + "lValueRequested": false, + "leftHandSide": { + "argumentTypes": null, + "id": 30, + "name": "last_completed_migration", + "nodeType": "Identifier", + "overloadedDeclarations": [], + "referencedDeclaration": 5, + "src": "301:24:0", + "typeDescriptions": { + "typeIdentifier": "t_uint256", + "typeString": "uint256" + } + }, + "nodeType": "Assignment", + "operator": "=", + "rightHandSide": { + "argumentTypes": null, + "id": 31, + "name": "completed", + "nodeType": "Identifier", + "overloadedDeclarations": [], + "referencedDeclaration": 25, + "src": "328:9:0", + "typeDescriptions": { + "typeIdentifier": "t_uint256", + "typeString": "uint256" + } + }, + "src": "301:36:0", + "typeDescriptions": { + "typeIdentifier": "t_uint256", + "typeString": "uint256" + } + }, + "id": 33, + "nodeType": "ExpressionStatement", + "src": "301:36:0" + } + ] + }, + "id": 35, + "implemented": true, + "isConstructor": false, + "isDeclaredConst": false, + "modifiers": [ + { + "arguments": [], + "id": 28, + "modifierName": { + "argumentTypes": null, + "id": 27, + "name": "restricted", + "nodeType": "Identifier", + "overloadedDeclarations": [], + "referencedDeclaration": 14, + "src": "284:10:0", + "typeDescriptions": { + "typeIdentifier": "t_modifier$__$", + "typeString": "modifier ()" + } + }, + "nodeType": "ModifierInvocation", + "src": "284:10:0" + } + ], + "name": "setCompleted", + "nodeType": "FunctionDefinition", + "parameters": { + "id": 26, + "nodeType": "ParameterList", + "parameters": [ + { + "constant": false, + "id": 25, + "name": "completed", + "nodeType": "VariableDeclaration", + "scope": 35, + "src": "261:14:0", + "stateVariable": false, + "storageLocation": "default", + "typeDescriptions": { + "typeIdentifier": "t_uint256", + "typeString": "uint256" + }, + "typeName": { + "id": 24, + "name": "uint", + "nodeType": "ElementaryTypeName", + "src": "261:4:0", + "typeDescriptions": { + "typeIdentifier": "t_uint256", + "typeString": "uint256" + } + }, + "value": null, + "visibility": "internal" + } + ], + "src": "260:16:0" + }, + "payable": false, + "returnParameters": { + "id": 29, + "nodeType": "ParameterList", + "parameters": [], + "src": "295:0:0" + }, + "scope": 56, + "src": "239:103:0", + "stateMutability": "nonpayable", + "superFunction": null, + "visibility": "public" + }, + { + "body": { + "id": 54, + "nodeType": "Block", + "src": "402:109:0", + "statements": [ + { + "assignments": [ + 43 + ], + "declarations": [ + { + "constant": false, + "id": 43, + "name": "upgraded", + "nodeType": "VariableDeclaration", + "scope": 55, + "src": "408:19:0", + "stateVariable": false, + "storageLocation": "default", + "typeDescriptions": { + "typeIdentifier": "t_contract$_Migrations_$56", + "typeString": "contract Migrations" + }, + "typeName": { + "contractScope": null, + "id": 42, + "name": "Migrations", + "nodeType": "UserDefinedTypeName", + "referencedDeclaration": 56, + "src": "408:10:0", + "typeDescriptions": { + "typeIdentifier": "t_contract$_Migrations_$56", + "typeString": "contract Migrations" + } + }, + "value": null, + "visibility": "internal" + } + ], + "id": 47, + "initialValue": { + "argumentTypes": null, + "arguments": [ + { + 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+ "sourceMap": "217:787:0:-;;;469:55;;;;;;;;509:10;501:5;;:18;;;;;;;;;;;;;;;;;;217:787;;;;;;", + "deployedSourceMap": "217:787:0:-;;;;;;;;;;;;;;;;;;;;;;;;;;;;;238:20;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;832:169;;;;;;;;;;;;;;;;;;;;;;;;;;;;238:20;;;;;;;;;;;;;:::o;832:169::-;653:5;;;;;;;;;;;639:19;;:10;:19;;;631:28;;;;;;;;928:1;908:22;;:8;:22;;;;900:31;;;;;;;;965:8;937:37;;958:5;;;;;;;;;;;937:37;;;;;;;;;;;;988:8;980:5;;:16;;;;;;;;;;;;;;;;;;832:169;:::o", + "source": "pragma solidity ^0.4.18;\n\n\n/**\n * @title Ownable\n * @dev The Ownable contract has an owner address, and provides basic authorization control\n * functions, this simplifies the implementation of \"user permissions\".\n */\ncontract Ownable {\n address public owner;\n\n\n event OwnershipTransferred(address indexed previousOwner, address indexed newOwner);\n\n\n /**\n * @dev The Ownable constructor sets the original `owner` of the contract to the sender\n * account.\n */\n function Ownable() public {\n owner = msg.sender;\n 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} + ], + "name": "transferOwnership", + "nodeType": "FunctionDefinition", + "parameters": { + "id": 32, + "nodeType": "ParameterList", + "parameters": [ + { + "constant": false, + "id": 31, + "name": "newOwner", + "nodeType": "VariableDeclaration", + "scope": 54, + "src": "859:16:0", + "stateVariable": false, + "storageLocation": "default", + "typeDescriptions": { + "typeIdentifier": "t_address", + "typeString": "address" + }, + "typeName": { + "id": 30, + "name": "address", + "nodeType": "ElementaryTypeName", + "src": "859:7:0", + "typeDescriptions": { + "typeIdentifier": "t_address", + "typeString": "address" + } + }, + "value": null, + "visibility": "internal" + } + ], + "src": "858:18:0" + }, + "payable": false, + "returnParameters": { + "id": 35, + "nodeType": "ParameterList", + "parameters": [], + "src": "894:0:0" + }, + "scope": 55, + "src": "832:169:0", + "stateMutability": "nonpayable", + "superFunction": null, + "visibility": "public" + } + ], + "scope": 56, + "src": "217:787:0" + } + ], + "src": "0:1005:0" + }, + "compiler": { + "name": "solc", + "version": "0.4.19+commit.c4cbbb05.Emscripten.clang" + }, + "networks": { + "1521982301817": { + "events": {}, + "links": {}, + "address": "0xd02a561e01c7abfe949c6ed56cbb3f50d1042cf5", + "transactionHash": "0xd9110b8c98ebd16286a6630c644828680a1536471eb5fcfc9441aa18481e8366" + } + }, + "schemaVersion": "2.0.0", + "updatedAt": "2018-03-25T12:51:53.545Z" +} \ No newline at end of file diff --git a/Lesson-4/assignment/Payroll.js b/Lesson-4/assignment/Payroll.js new file mode 100644 index 0000000..79567c0 --- /dev/null +++ b/Lesson-4/assignment/Payroll.js @@ -0,0 +1,38 @@ + +var Payroll = artifacts.require("./Payroll.sol"); + +contract('Payroll', function(accounts) { + + var payrollInstance; + + it("test add employee", function() { + return Payroll.deployed().then(function(instance) { + payrollInstance = instance; + + return payrollInstance.addEmployee(accounts[1], 2, {from: accounts[0]}); + }).then(function() { + return payrollInstance.employeeMapping(accounts[1]); + + }).then(function(employee) { + assert.equal(employee[0], accounts[1], "address was not stored."); + assert.equal(employee[1], web3.toWei(2), "salary was not right."); + + }); + }); + + it("remove employee", function() { + return Payroll.deployed().then(function(instance) { + payrollInstance = instance; + + return payrollInstance.removeEmployee(accounts[1], {from: accounts[0]}); + }).then(function() { + return payrollInstance.employeeMapping(accounts[1]); + + }).then(function(employee) { + assert.equal(employee[0], "0x0000000000000000000000000000000000000000", "address was not removed."); + assert.notEqual(employee[1], web3.toWei(2), "salary was not removed."); + + }); + }); + +}); diff --git a/Lesson-4/assignment/Payroll.json b/Lesson-4/assignment/Payroll.json new file mode 100644 index 0000000..89eb931 --- /dev/null +++ b/Lesson-4/assignment/Payroll.json @@ -0,0 +1,8495 @@ +{ + "contractName": "Payroll", + "abi": [ + { + "constant": true, + "inputs": [ + { + "name": "", + "type": "address" + } + ], + "name": "employeeMapping", + "outputs": [ + { + "name": "employeeAddress", + "type": "address" + }, + { + "name": "salary", + "type": "uint256" + }, + { + "name": "lastPayday", + "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": "newOwner", + "type": "address" + } + ], + "name": "transferOwnership", + "outputs": [], + "payable": false, + "stateMutability": "nonpayable", + "type": "function" + }, + { + "anonymous": false, + "inputs": [ + { + "indexed": true, + "name": "previousOwner", + "type": "address" + }, + { + "indexed": true, + "name": "newOwner", + "type": "address" + } + ], + "name": "OwnershipTransferred", + "type": "event" + }, + { + "constant": false, + "inputs": [ + { + "name": "addr", + "type": "address" + }, + { + "name": "sal", + "type": "uint256" + } + ], + "name": "addEmployee", + "outputs": [], + "payable": false, + "stateMutability": "nonpayable", + "type": "function" + }, + { + "constant": false, + "inputs": [ + { + "name": "addr", + "type": "address" + } + ], + "name": "removeEmployee", + "outputs": [], + "payable": false, + "stateMutability": "nonpayable", + "type": "function" + }, + { + "constant": false, + "inputs": [ + { + "name": "oldAddress", + "type": "address" + }, + { + "name": "newAddresss", + "type": "address" + }, + { + "name": "sal", + "type": "uint256" + } + ], + "name": "updateEmployee", + "outputs": [], + "payable": false, + "stateMutability": "nonpayable", + "type": "function" + }, + { + "constant": false, + "inputs": [ + { + "name": "oldAddress", + "type": "address" + }, + { + "name": "newAddresss", + "type": "address" + } + ], + "name": "changePaymentAddress", + "outputs": [], + "payable": false, + "stateMutability": "nonpayable", + "type": "function" + }, + { + "constant": true, + "inputs": [], + "name": "calculateRunway", + "outputs": [ + { + "name": "", + "type": "uint256" + } + ], + "payable": false, + "stateMutability": "view", + "type": "function" + }, + { + "constant": false, + "inputs": [], + "name": "hasEnoughFund", + "outputs": [ + { + "name": "", + "type": "bool" + } + ], + "payable": false, + "stateMutability": "nonpayable", + "type": "function" + }, + { + "constant": false, + "inputs": [], + "name": "addFund", + "outputs": [ + { + "name": "", + "type": "uint256" + } + ], + "payable": true, + "stateMutability": "payable", + "type": "function" + }, + { + "constant": false, + "inputs": [], + "name": "getPaid", + "outputs": [], + "payable": false, + "stateMutability": "nonpayable", + "type": "function" + }, + { + "constant": true, + "inputs": [ + { + "name": "addr", + "type": "address" + } + ], + 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+ "source": "pragma solidity ^0.4.14;\nimport './SafeMath.sol';\nimport './Ownable.sol';\n\ncontract Payroll is Ownable{\n \n using SafeMath for uint;\n \n struct Employee{\n address employeeAddress;\n uint salary;\n uint lastPayday;\n }\n mapping(address => Employee) public employeeMapping;\n uint constant payDuration = 30 seconds;\n address ownerAddress;\n uint totalSalary = 0;\n \n \n modifier employeeExist(address addr){\n var employee = employeeMapping[addr];\n require(employee.employeeAddress != 0x0);\n _;\n }\n \n function _partialPay(Employee emp) private{\n uint totalSalary = emp.salary.mul(now.sub(emp.lastPayday)).div(payDuration);\n \n emp.employeeAddress.transfer(totalSalary);\n }\n \n function addEmployee(address addr,uint sal) onlyOwner {\n \n uint oneSalary = sal.mul(1 ether);\n totalSalary = totalSalary.add(oneSalary);\n employeeMapping[addr] = Employee(addr,oneSalary,now);\n }\n function removeEmployee(address addr) onlyOwner employeeExist(addr){\n var employee = employeeMapping[addr];\n totalSalary = totalSalary.sub(employee.salary);\n _partialPay(employee);\n delete(employeeMapping[addr]);\n \n }\n function updateEmployee(address oldAddress,address newAddresss,uint sal) onlyOwner employeeExist(oldAddress){\n\n var employee = employeeMapping[oldAddress];\n uint oneSalary = sal.mul(1 ether);\n totalSalary = totalSalary.sub(employee.salary).add(oneSalary);\n employee.employeeAddress = newAddresss;\n employee.salary = oneSalary;\n \n }\n function changePaymentAddress(address oldAddress,address newAddresss) onlyOwner employeeExist(oldAddress){\n var employee = employeeMapping[oldAddress];\n employee.employeeAddress = newAddresss;\n }\n\n \n function calculateRunway() view returns(uint){\n \n uint selfbalance = getAddressBalance(this);\n return selfbalance.div(totalSalary);\n }\n function hasEnoughFund() returns(bool){\n return calculateRunway() > 0;\n }\n \n function addFund() payable returns(uint){\n \n return this.balance;\n }\n \n \n function getPaid() employeeExist(msg.sender) {\n var employee = employeeMapping[msg.sender];\n uint intervalTime = now.sub(employee.lastPayday);\n require(intervalTime >= payDuration);\n \n uint times = intervalTime.div(payDuration);\n employee.lastPayday = employee.lastPayday.add(times.mul(payDuration));\n employee.employeeAddress.transfer(employee.salary.mul(times));\n }\n \n function getAddressBalance(address addr) public view returns(uint){\n return addr.balance;\n }\n \n}", + "sourcePath": "/home/juicebox/payroll/contracts/Payroll.sol", + "ast": { + "absolutePath": "/home/juicebox/payroll/contracts/Payroll.sol", + "exportedSymbols": { + "Payroll": [ + 381 + ] + }, + "id": 382, + "nodeType": "SourceUnit", + "nodes": [ + { + "id": 57, + "literals": [ + "solidity", + "^", + "0.4", + ".14" + ], + "nodeType": "PragmaDirective", + "src": "0:24:1" + }, + { + "absolutePath": "/home/juicebox/payroll/contracts/SafeMath.sol", + "file": "./SafeMath.sol", + "id": 58, + "nodeType": "ImportDirective", + "scope": 382, + "sourceUnit": 480, + "src": "25:24:1", + "symbolAliases": [], + "unitAlias": "" + }, + { + "absolutePath": "/home/juicebox/payroll/contracts/Ownable.sol", + "file": "./Ownable.sol", + "id": 59, + "nodeType": "ImportDirective", + "scope": 382, + "sourceUnit": 56, + "src": "50:23:1", + "symbolAliases": [], + "unitAlias": "" + }, + { + "baseContracts": [ + { + "arguments": [], + "baseName": { + "contractScope": null, + "id": 60, + "name": "Ownable", + "nodeType": "UserDefinedTypeName", + "referencedDeclaration": 55, + "src": "95:7:1", + "typeDescriptions": { + "typeIdentifier": "t_contract$_Ownable_$55", + "typeString": "contract Ownable" + } + }, + "id": 61, + "nodeType": "InheritanceSpecifier", + "src": "95:7:1" + } + ], + "contractDependencies": [ + 55 + ], + "contractKind": "contract", + "documentation": null, + "fullyImplemented": true, + "id": 381, + "linearizedBaseContracts": [ + 381, + 55 + ], + "name": "Payroll", + "nodeType": "ContractDefinition", + "nodes": [ + { + "id": 64, + "libraryName": { + "contractScope": null, + "id": 62, + "name": "SafeMath", + "nodeType": "UserDefinedTypeName", + "referencedDeclaration": 479, + "src": "119:8:1", + "typeDescriptions": { + "typeIdentifier": "t_contract$_SafeMath_$479", + "typeString": "library SafeMath" + } + }, + "nodeType": "UsingForDirective", + "src": "113:24:1", + "typeName": { + "id": 63, + "name": "uint", + "nodeType": "ElementaryTypeName", + "src": "132:4:1", + "typeDescriptions": { + "typeIdentifier": "t_uint256", + "typeString": "uint256" + } + } + }, + { + "canonicalName": "Payroll.Employee", + "id": 71, + "members": [ + { + "constant": false, + "id": 66, + "name": "employeeAddress", + "nodeType": "VariableDeclaration", + "scope": 71, + "src": "172:23:1", + "stateVariable": false, + "storageLocation": "default", + "typeDescriptions": { + "typeIdentifier": "t_address", + "typeString": "address" + }, + "typeName": { + "id": 65, + "name": "address", + "nodeType": "ElementaryTypeName", + "src": 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"ParameterList", + "parameters": [ + { + "constant": false, + "id": 374, + "name": "", + "nodeType": "VariableDeclaration", + "scope": 380, + "src": "2652:4:1", + "stateVariable": false, + "storageLocation": "default", + "typeDescriptions": { + "typeIdentifier": "t_uint256", + "typeString": "uint256" + }, + "typeName": { + "id": 373, + "name": "uint", + "nodeType": "ElementaryTypeName", + "src": "2652:4:1", + "typeDescriptions": { + "typeIdentifier": "t_uint256", + "typeString": "uint256" + } + }, + "value": null, + "visibility": "internal" + } + ], + "src": "2651:6:1" + }, + "scope": 381, + "src": "2591:100:1", + "stateMutability": "view", + "superFunction": null, + "visibility": "public" + } + ], + "scope": 382, + "src": "75:2621:1" + } + ], + "src": "0:2696:1" + }, + "compiler": { + "name": "solc", + "version": "0.4.19+commit.c4cbbb05.Emscripten.clang" + }, + "networks": { + "1521982301817": { + "events": {}, + "links": {}, + "address": "0x91f8698a1674605c57cb49dfce1c45daa9435407", + "transactionHash": "0xcdf6f89d8a437a3fe41c96fa247879fc38e34acf22433b23a40c2f45e81f1740" + } + }, + "schemaVersion": "2.0.0", + "updatedAt": "2018-03-25T12:51:53.430Z" +} \ No newline at end of file diff --git a/Lesson-4/assignment/README.md b/Lesson-4/assignment/README.md new file mode 100644 index 0000000..871e6be --- /dev/null +++ b/Lesson-4/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？ diff --git a/Lesson-4/assignment/SafeMath.json b/Lesson-4/assignment/SafeMath.json new file mode 100644 index 0000000..8052a41 --- /dev/null +++ b/Lesson-4/assignment/SafeMath.json @@ -0,0 +1,2474 @@ +{ + "contractName": "SafeMath", + "abi": [], + "bytecode": "0x60606040523415600e57600080fd5b603580601b6000396000f3006060604052600080fd00a165627a7a72305820f7dcf086226229721658a67613edf76b952ea3f0e45da82675788a17fd8c503d0029", + "deployedBytecode": "0x6060604052600080fd00a165627a7a72305820f7dcf086226229721658a67613edf76b952ea3f0e45da82675788a17fd8c503d0029", + "sourceMap": "117:1021:2:-;;;;;;;;;;;;;;;;;", + "deployedSourceMap": "117:1021:2:-;;;;;", + "source": "pragma solidity ^0.4.18;\n\n\n/**\n * @title SafeMath\n * @dev Math operations with safety checks that throw on error\n */\nlibrary SafeMath {\n\n /**\n * @dev Multiplies two numbers, throws on overflow.\n */\n function mul(uint256 a, uint256 b) internal pure returns (uint256) {\n if (a == 0) {\n return 0;\n }\n uint256 c = a * b;\n assert(c / a == b);\n return c;\n }\n\n /**\n * @dev Integer division of two numbers, truncating the quotient.\n */\n function div(uint256 a, 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"typeIdentifier": "t_uint256", + "typeString": "uint256" + } + }, + "value": null, + "visibility": "internal" + } + ], + "src": "1064:9:2" + }, + "scope": 479, + "src": "1007:129:2", + "stateMutability": "pure", + "superFunction": null, + "visibility": "internal" + } + ], + "scope": 480, + "src": "117:1021:2" + } + ], + "src": "0:1138:2" + }, + "compiler": { + "name": "solc", + "version": "0.4.19+commit.c4cbbb05.Emscripten.clang" + }, + "networks": { + "1521982301817": { + "events": {}, + "links": {}, + "address": "0x635c1a604b1ef95bab198a2c2680b36ab6cbc703", + "transactionHash": "0xbd7538d1c66c8e99791c73a7e372cdafca6d4705daa27cb6b5db96e074d93e08" + } + }, + "schemaVersion": "2.0.0", + "updatedAt": "2018-03-25T12:51:53.547Z" +} \ No newline at end of file diff --git a/Lesson-4/assignment/TestPayroll.sol b/Lesson-4/assignment/TestPayroll.sol new file mode 100644 index 0000000..5904954 --- /dev/null +++ b/Lesson-4/assignment/TestPayroll.sol @@ -0,0 +1,23 @@ +pragma solidity ^0.4.2; + +import "truffle/Assert.sol"; +import "truffle/DeployedAddresses.sol"; +import "../contracts/Payroll.sol"; + + +contract TestPayroll is Payroll{ + + + function testAddEmployee(address addr,uint sal) public { + + addEmployee(addr,sal); + + Assert.equal(employeeMapping[addr].salary, sal, "添加失败"); + } + + function testRemoveEmployee(address addr) public { + removeEmployee(addr); + Assert.equal(employeeMapping[addr].salary, 0, "删除失败"); + } + +} diff --git a/Lesson-4/assignment/TruffleMigration.txt b/Lesson-4/assignment/TruffleMigration.txt new file mode 100644 index 0000000..c8e5247 --- /dev/null +++ b/Lesson-4/assignment/TruffleMigration.txt @@ -0,0 +1,46 @@ +juicebox@juicebox:~/payroll$ truffle migration +Using network 'development'. + +Running migration: 1_initial_migration.js + Deploying Migrations... + ... 0xac9ab32afd53aa3d7e9c002905eaebcba30dd3b03bf9e3245aad913185b53cab + Migrations: 0x3f8b279d141d9c56da2595dcf55a6af8dd892e9b +Saving successful migration to network... + ... 0x97082d9b1e8f284870dd4bd3315890d41105bfeba064387b1de335e0e8f28ba1 +Saving artifacts... +Running migration: 2_deploy_contracts.js + Deploying Ownable... + ... 0xd9110b8c98ebd16286a6630c644828680a1536471eb5fcfc9441aa18481e8366 + Ownable: 0xd02a561e01c7abfe949c6ed56cbb3f50d1042cf5 + Deploying SafeMath... + ... 0xbd7538d1c66c8e99791c73a7e372cdafca6d4705daa27cb6b5db96e074d93e08 + SafeMath: 0x635c1a604b1ef95bab198a2c2680b36ab6cbc703 + Deploying Payroll... + ... 0xcdf6f89d8a437a3fe41c96fa247879fc38e34acf22433b23a40c2f45e81f1740 + Payroll: 0x91f8698a1674605c57cb49dfce1c45daa9435407 +Saving successful migration to network... + ... 0xa611f1b920e909fb8ce0a8d51660ea9ffe885d6922f497da88b6d3c99ca27ad1 +Saving artifacts... + + + + +Transaction: 0xcdf6f89d8a437a3fe41c96fa247879fc38e34acf22433b23a40c2f45e81f1740 + Contract created: 0x91f8698a1674605c57cb49dfce1c45daa9435407 + Gas usage: 1179413 + Block Number: 5 + Block Time: Sun Mar 25 2018 12:51:53 GMT+0000 (UTC) + +eth_newBlockFilter +eth_getFilterChanges +eth_getTransactionReceipt +eth_getCode +eth_uninstallFilter +eth_sendTransaction + + Transaction: 0xa611f1b920e909fb8ce0a8d51660ea9ffe885d6922f497da88b6d3c99ca27ad1 + Gas usage: 26981 + Block Number: 6 + Block Time: Sun Mar 25 2018 12:51:53 GMT+0000 (UTC) + +eth_getTransactionReceipt diff --git a/Lesson-4/orgin/README.md b/Lesson-4/orgin/README.md new file mode 100644 index 0000000..c27ba05 --- /dev/null +++ b/Lesson-4/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 diff --git a/Lesson-4/orgin/payroll.sol b/Lesson-4/orgin/payroll.sol new file mode 100644 index 0000000..8b13789 --- /dev/null +++ b/Lesson-4/orgin/payroll.sol @@ -0,0 +1 @@ + diff --git a/Lesson-5/README.md b/Lesson-5/README.md new file mode 100644 index 0000000..0d3ed1d --- /dev/null +++ b/Lesson-5/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/Lesson-5/assignment/README.md b/Lesson-5/assignment/README.md new file mode 100644 index 0000000..5661cd3 --- /dev/null +++ b/Lesson-5/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/Lesson-5/assignment/yours.sol b/Lesson-5/assignment/yours.sol new file mode 100644 index 0000000..dfdb2c4 --- /dev/null +++ b/Lesson-5/assignment/yours.sol @@ -0,0 +1 @@ +/*作业请提交在这个目录下*/ diff --git a/Lesson-5/orgin/LICENSE b/Lesson-5/orgin/LICENSE new file mode 100644 index 0000000..8dada3e --- /dev/null +++ b/Lesson-5/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/Lesson-5/orgin/README.md b/Lesson-5/orgin/README.md new file mode 100644 index 0000000..7c98c03 --- /dev/null +++ b/Lesson-5/orgin/README.md @@ -0,0 +1,13 @@ +# payroll + +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/Lesson-5/orgin/box-img-lg.png b/Lesson-5/orgin/box-img-lg.png new file mode 100644 index 0000000..60c1996 Binary files /dev/null and b/Lesson-5/orgin/box-img-lg.png differ diff --git a/Lesson-5/orgin/box-img-sm.png b/Lesson-5/orgin/box-img-sm.png new file mode 100644 index 0000000..466e709 Binary files /dev/null and b/Lesson-5/orgin/box-img-sm.png differ diff --git a/Lesson-5/orgin/config/env.js b/Lesson-5/orgin/config/env.js new file mode 100644 index 0000000..5d0ab7b --- /dev/null +++ b/Lesson-5/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/Lesson-5/orgin/config/jest/cssTransform.js b/Lesson-5/orgin/config/jest/cssTransform.js new file mode 100644 index 0000000..aa17d12 --- /dev/null +++ b/Lesson-5/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/Lesson-5/orgin/config/jest/fileTransform.js b/Lesson-5/orgin/config/jest/fileTransform.js new file mode 100644 index 0000000..927eb30 --- /dev/null +++ b/Lesson-5/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/Lesson-5/orgin/config/paths.js b/Lesson-5/orgin/config/paths.js new file mode 100644 index 0000000..96c3dfb --- /dev/null +++ b/Lesson-5/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/Lesson-5/orgin/config/polyfills.js b/Lesson-5/orgin/config/polyfills.js new file mode 100644 index 0000000..7e60150 --- /dev/null +++ b/Lesson-5/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/Lesson-5/orgin/config/webpack.config.dev.js b/Lesson-5/orgin/config/webpack.config.dev.js new file mode 100644 index 0000000..821743a --- /dev/null +++ b/Lesson-5/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