schadokar

# base image - node:alpine
FROM node:alpine

# set the working directory to /app
WORKDIR /app

# install ganache-cli globally
RUN npm install -g ganache-cli

# set the command ganache-cli -h 0.0.0.0 

schadokar

pragma solidity ^0.4.25;

contract Message {
    
    string public message;
    
    constructor(string memory _message) public {
        message = _message;
    }
    

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const fs = require("fs-extra");
const path = require("path");
const solc = require("solc");

const compile = () => {
    try {
    // build path where compiled contract will save
    const buildPath = path.resolve(__dirname,"./build");

    // remove the build folder if it exist

schadokar

const fs = require("fs-extra");
const path = require("path");
const {web3, web3Network} = require("./web3");
const compiledContract = require("./build/Message.json");
const circularJSON = require('circular-json');

const deploy = async (mymessage) => {
    try {
        // set the receipt path 
        const receiptPath = path.resolve("ethereum","receipt-"+web3Network+".json");

schadokar

// web3.js
const fs = require("fs");
const Web3 = require("web3");

const web3Network = "ganache"

// creating a web3 instance on ganache-cli network
// Here the url is http://ganache:8545
// this ganache is the name of the container in which ganache-cli is running
const web3 = new Web3(new Web3.providers.HttpProvider("http://ganache:8545"))

schadokar

const fs = require("fs-extra");
const {web3} = require("./web3");
const compileContract = require("./build/Message.json");

// Contract object deployed on network (ganache-cli or testnet or mainnet)
// network can be selected in web3 file

// cont
const getContractObject = () => {
    

schadokar

{
  "name": "docker-ethereum",
  "version": "1.0.0",
  "description": "",
  "main": "./server/index.js",
  "scripts": {
    "test": "echo \"Error: no test specified\" && exit 1",
    "start": "nodemon ./server/index.js"
  },
  "author": "",

schadokar

const express = require("express");
const router = express.Router();
const compile = require("../../ethereum/compile");
const deploy = require("../../ethereum/deploy");

// Compile the contract
router.post("/compile", async function(req, res, next) {
    const result = compile();
    res.send(result); 
});

schadokar

const express = require("express");
const router = express.Router();

const logic = require("../../ethereum/logic");

router.get("/", async (req,res,next) => {
    let message = await logic.getMessage();
    res.send(message);
})

schadokar

const express = require("express");
const bodyParser = require("body-parser");
const cors = require("cors");
const app = express();

const contractAPIRoutes = require("./routes/contract-API");
const smartContractAPIRoutes = require("./routes/smart-contract-API");

const port = 4000;