Remove 'truffle-v0.4' of npm module

migrations/1_initial_migration.js

@@ -1,4 +1,11 @@
-module.exports = function(deployer, network, accounts) {
-    if (network == "production")
-        deployer.deploy(artifacts.require("Migrations"));
-};
+const Migrations = artifacts.require("Migrations");
+
+module.exports = function(deployer) {
+  deployer.deploy(Migrations);
+};
+
+
+// module.exports = function(deployer, network, accounts) {
+//     if (network == "production")
+//         deployer.deploy(artifacts.require("Migrations"));
+// };

package.json

@@ -5,9 +5,6 @@
     "type": "git",
     "url": "https://github.com/bancorprotocol/contracts"
   },
-  "engines": {
-    "npm": "^3.0.0"
-  },
   "scripts": {
     "install": "node scripts/fix-modules.js",
     "build": "node scripts/rebuild-all.js",
@@ -28,7 +25,6 @@
   "dependencies": {
     "decimal.js": "10.2.0",
     "solidity-coverage": "0.6.7",
-    "truffle": "4.1.16",
     "truffle-contract": "3.0.8",
     "truffle-flattener": "1.4.2",
     "web3": "1.2.1",

truffle-config.js

@@ -12,9 +12,10 @@ module.exports = {
         //return new HDWalletProvider("Replace here with your mnemonic word", process.env.RPC_URL_ROPSTEN)
       },
       network_id: '3',
-      //gas: 4465030,
-      //gasPrice: 10000000000,
-      skipDryRun: true
+      gas:         2000000,      // Gas limit used for deploys
+      //gas:         6721975,      // Gas limit used for deploys
+      gasPrice:    20000000000,
+      skipDryRun:  true
     },
     development: {
         host:       "localhost",