basic setup

.gitignore

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+lib-cov
+*.seed
+*.log
+*.csv
+*.dat
+*.out
+*.pid
+*.gz
+*.swp
+
+pids
+logs
+results
+tmp
+
+# Optional npm cache directory
+.npm
+
+#Build
+coverage
+public/css/main.css
+.nyc_output/*
+
+#Libraries from npm packages
+public/js/lib/bootstrap.min*
+public/js/lib/jquery.min*
+public/js/lib/popper.min*
+
+# API keys and secrets
+.env
+
+# Dependency directory
+node_modules
+bower_components
+
+# Editors
+.idea
+.vscode
+*.iml
+modules.xml
+*.ipr
+
+# Folder config file
+Desktop.ini
+
+# Recycle Bin used on file shares
+$RECYCLE.BIN/
+
+# OS metadata
+.DS_Store
+Thumbs.db
+.DocumentRevisions-V100
+.fseventsd
+.Spotlight-V100
+.TemporaryItems
+.Trashes
+.VolumeIcon.icns
+.com.apple.timemachine.donotpresent
+
+# truffle
+build/contracts
+
+# buidler
+artifacts
+cache

contracts/Migrations.sol

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+// SPDX-License-Identifier: MIT
+pragma solidity >=0.4.22 <0.8.0;
+
+contract Migrations {
+  address public owner = msg.sender;
+  uint public last_completed_migration;
+
+  modifier restricted() {
+    require(
+      msg.sender == owner,
+      "This function is restricted to the contract's owner"
+    );
+    _;
+  }
+
+  function setCompleted(uint completed) public restricted {
+    last_completed_migration = completed;
+  }
+}

migrations/1_initial_migration.js

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+const Migrations = artifacts.require("Migrations");
+
+module.exports = function (deployer) {
+  deployer.deploy(Migrations);
+};

package.json

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+{
+  "name": "dsa-connectors",
+  "version": "1.0.0",
+  "description": "",
+  "main": "truffle-config.js",
+  "directories": {},
+  "scripts": {
+    "test": "truffle test",
+    "coverage": "./node_modules/.bin/solidity-coverage",
+    "solium": "solium -d contracts/",
+    "build-contracts": "sol-merger \"./contracts/connectors/mock.sol\" ./contracts/build",
+    "ganache": "ganache-cli"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/InstaDApp/dsa-connectors-new.git"
+  },
+  "author": "",
+  "license": "ISC",
+  "bugs": {
+    "url": "https://github.com/InstaDApp/dsa-connectors-new/issues"
+  },
+  "homepage": "https://github.com/InstaDApp/dsa-connectors-new#readme",
+  "dependencies": {
+    "@openzeppelin/contracts": "^3.0.1",
+    "@openzeppelin/upgrades": "^2.8.0",
+    "@truffle/artifactor": "^4.0.45",
+    "chalk": "^4.0.0",
+    "dotenv": "^7.0.0",
+    "ethereumjs-abi": "^0.6.8",
+    "minimist": "^1.2.5",
+    "solc": "^0.6.0",
+    "truffle-assertions": "^0.9.2",
+    "truffle-hdwallet-provider": "^1.0.17",
+    "truffle-plugin-verify": "^0.3.10",
+    "truffle-verify": "^1.0.8"
+  },
+  "devDependencies": {
+    "@nomiclabs/buidler": "^1.3.8",
+    "@nomiclabs/buidler-truffle5": "^1.3.4",
+    "@nomiclabs/buidler-web3": "^1.3.4",
+    "@openzeppelin/test-helpers": "^0.5.6",
+    "@studydefi/money-legos": "^2.3.7",
+    "ganache-cli": "^6.10.0-beta.2",
+    "sol-merger": "^2.0.1",
+    "solidity-coverage": "0.5.11",
+    "solium": "1.2.3",
+    "web3": "^1.2.9"
+  }
+}

truffle-config.js

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+/**
+ * Use this file to configure your truffle project. It's seeded with some
+ * common settings for different networks and features like migrations,
+ * compilation and testing. Uncomment the ones you need or modify
+ * them to suit your project as necessary.
+ *
+ * More information about configuration can be found at:
+ *
+ * trufflesuite.com/docs/advanced/configuration
+ *
+ * To deploy via Infura you'll need a wallet provider (like @truffle/hdwallet-provider)
+ * to sign your transactions before they're sent to a remote public node. Infura accounts
+ * are available for free at: infura.io/register.
+ *
+ * You'll also need a mnemonic - the twelve word phrase the wallet uses to generate
+ * public/private key pairs. If you're publishing your code to GitHub make sure you load this
+ * phrase from a file you've .gitignored so it doesn't accidentally become public.
+ *
+ */
+
+// const HDWalletProvider = require('@truffle/hdwallet-provider');
+// const infuraKey = "fj4jll3k.....";
+//
+// const fs = require('fs');
+// const mnemonic = fs.readFileSync(".secret").toString().trim();
+
+module.exports = {
+  /**
+   * Networks define how you connect to your ethereum client and let you set the
+   * defaults web3 uses to send transactions. If you don't specify one truffle
+   * will spin up a development blockchain for you on port 9545 when you
+   * run `develop` or `test`. You can ask a truffle command to use a specific
+   * network from the command line, e.g
+   *
+   * $ truffle test --network <network-name>
+   */
+
+  networks: {
+    // Useful for testing. The `development` name is special - truffle uses it by default
+    // if it's defined here and no other network is specified at the command line.
+    // You should run a client (like ganache-cli, geth or parity) in a separate terminal
+    // tab if you use this network and you must also set the `host`, `port` and `network_id`
+    // options below to some value.
+    //
+    // development: {
+    //  host: "127.0.0.1",     // Localhost (default: none)
+    //  port: 8545,            // Standard Ethereum port (default: none)
+    //  network_id: "*",       // Any network (default: none)
+    // },
+    // Another network with more advanced options...
+    // advanced: {
+    // port: 8777,             // Custom port
+    // network_id: 1342,       // Custom network
+    // gas: 8500000,           // Gas sent with each transaction (default: ~6700000)
+    // gasPrice: 20000000000,  // 20 gwei (in wei) (default: 100 gwei)
+    // from: <address>,        // Account to send txs from (default: accounts[0])
+    // websockets: true        // Enable EventEmitter interface for web3 (default: false)
+    // },
+    // Useful for deploying to a public network.
+    // NB: It's important to wrap the provider as a function.
+    // ropsten: {
+    // provider: () => new HDWalletProvider(mnemonic, `https://ropsten.infura.io/v3/YOUR-PROJECT-ID`),
+    // network_id: 3,       // Ropsten's id
+    // gas: 5500000,        // Ropsten has a lower block limit than mainnet
+    // confirmations: 2,    // # of confs to wait between deployments. (default: 0)
+    // timeoutBlocks: 200,  // # of blocks before a deployment times out  (minimum/default: 50)
+    // skipDryRun: true     // Skip dry run before migrations? (default: false for public nets )
+    // },
+    // Useful for private networks
+    // private: {
+    // provider: () => new HDWalletProvider(mnemonic, `https://network.io`),
+    // network_id: 2111,   // This network is yours, in the cloud.
+    // production: true    // Treats this network as if it was a public net. (default: false)
+    // }
+  },
+
+  // Set default mocha options here, use special reporters etc.
+  mocha: {
+    // timeout: 100000
+  },
+
+  // Configure your compilers
+  compilers: {
+    solc: {
+      // version: "0.5.1",    // Fetch exact version from solc-bin (default: truffle's version)
+      // docker: true,        // Use "0.5.1" you've installed locally with docker (default: false)
+      // settings: {          // See the solidity docs for advice about optimization and evmVersion
+      //  optimizer: {
+      //    enabled: false,
+      //    runs: 200
+      //  },
+      //  evmVersion: "byzantium"
+      // }
+    }
+  }
+};