First commit

Author: gr0uch0dev

.gitignore

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+
+# compiled output
+/dist
+/tmp
+/out-tsc
+
+# Runtime data
+pids
+*.pid
+*.seed
+*.pid.lock
+
+# Directory for instrumented libs generated by jscoverage/JSCover
+lib-cov
+
+# Coverage directory used by tools like istanbul
+coverage
+
+# nyc test coverage
+.nyc_output
+
+# Grunt intermediate storage (http://gruntjs.com/creating-plugins#storing-task-files)
+.grunt
+
+# Bower dependency directory (https://bower.io/)
+bower_components
+
+# node-waf configuration
+.lock-wscript
+
+# IDEs and editors
+.idea
+.project
+.classpath
+.c9/
+*.launch
+.settings/
+*.sublime-workspace
+
+# IDE - VSCode
+.vscode/*
+!.vscode/settings.json
+!.vscode/tasks.json
+!.vscode/launch.json
+!.vscode/extensions.json
+
+# misc
+.sass-cache
+connect.lock
+typings
+
+# Logs
+logs
+*.log
+npm-debug.log*
+yarn-debug.log*
+yarn-error.log*
+
+
+# Dependency directories
+node_modules/
+jspm_packages/
+
+# Optional npm cache directory
+.npm
+
+# Optional eslint cache
+.eslintcache
+
+# Optional REPL history
+.node_repl_history
+
+# Output of 'npm pack'
+*.tgz
+
+# Yarn Integrity file
+.yarn-integrity
+
+# dotenv environment variables file
+.env
+
+# next.js build output
+.next
+
+# Lerna
+lerna-debug.log
+
+# System Files
+.DS_Store
+Thumbs.db
+
+TODO

compile.js

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+// require imports the library i need
+const path = require('path'); // path is to avoid problems with different machines
+const fs = require('fs');
+const solc = require('solc');
+
+// __dirname is the working directory in JS
+const doubleCheck = path.resolve(__dirname,'contracts','DoubleCheck.sol');
+const source = fs.readFileSync(doubleCheck,'utf8');
+// give the source to solc.compile and specify how many contracts to compile
+
+// export the bytecode and ABI inside module export
+module.exports = solc.compile(source,1).contracts[':DoubleCheck'];
+// in this way we can use the statement: const {interface,bytecode} = require('./compile');

contracts/DoubleCheck.sol

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+const inquirer   = require('inquirer');
+
+module.exports = {
+  printMessage: (msg) =>{
+    console.log(msg);
+    return inquirer.prompt("Press any key to continue!")
+  },
+
+askCredentials: () => {
+    const questions = [
+      {
+        name: 'password',
+        type: 'password',
+        message: 'Enter your private key:',
+        validate: function(value) {
+          if (value === 'pswd') {
+            return true;
+          } else {
+            return 'Please enter your password.';
+          }
+        }
+      }
+    ];
+    return inquirer.prompt(questions);
+  },
+
+askQuestionsNewArt: () => {
+   const questions = [
+     {
+       name: 'title',
+       type: 'input',
+       message: 'Insert the title of the artwork:',
+       validate: function( value ) {
+         if (value.length) {
+           return true;
+         } else {
+           return 'This field cannot be empty!';
+         }
+       }
+     },
+     {
+       name: 'author',
+       type: 'input',
+       message: 'Insert the author of the artwork:',
+       validate: function( value ) {
+         if (value.length) {
+           return true;
+         } else {
+           return 'This field cannot be empty!';
+         }
+       }
+     },
+     {
+       name: 'date',
+       type: 'input',
+       message: 'Insert the date of the artwork:',
+       validate: function( value ) {
+         if (value.length) {
+           return true;
+         } else {
+           return 'This field cannot be empty!';
+         }
+       }
+     },
+   ];
+   return inquirer.prompt(questions);
+ }
+}

lib/inquirer.js

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+const fs = require('fs');
+const contract = JSON.parse(fs.readFileSync('./build/contracts/TransArt.json', 'utf8'));
+const {interface,bytecode} = require('../compile');
+const utils = require('./utils.js')
+const Web3 = require('web3');
+const web3 = new Web3(new Web3.providers.HttpProvider("http://localhost:8545"));
+
+module.exports = {
+
+  deploy: async function deploy(sendingAddress) {
+      const gasPrice = await web3.eth.getGasPrice();
+      console.log("Gas Price is: " + gasPrice);
+
+      const transart = await new web3.eth.Contract(JSON.parse(interface))
+        .deploy({data:bytecode})
+        .send({from: sendingAddress, gas:2000000});
+
+      console.log('Request sent from: ',sendingAddress)
+      console.log('Contract deployed to address: ',transart.options.address);
+  }
+
+}

lib/web3_interactions.js

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+{
+  "name": "DoubleCheck",
+  "version": "1.0.0",
+  "description": "DoubleCheck CLI",
+  "main": "index.js",
+  "scripts": {
+    "test": "mocha"
+  },
+  "author": "",
+  "license": "ISC",
+  "dependencies": {
+    "chai": "^4.2.0",
+    "chai-as-promised": "^7.1.1",
+    "chalk": "^2.4.2",
+    "clear": "^0.1.0",
+    "figlet": "^1.2.1",
+    "ganache-cli": "^6.3.0",
+    "inquirer": "^6.2.2",
+    "mocha": "^5.2.0",
+    "solc": "^0.4.25",
+    "truffle-hdwallet-provider": "^1.0.4",
+    "web3": "^1.0.0-beta.36"
+  },
+  "bin": {
+    "OSS": "./index.js"
+  }
+}