implemented main transactions in stellar.js and ethereum.js

node project setup - eslint, babel, etc.

.babelrc

@@ -0,0 +1,3 @@
+{
+  "presets": ["env"]
+}

.editorconfig

@@ -0,0 +1,11 @@
+root = true
+
+[*]
+indent_style = space
+indent_size = 2
+charset = utf-8
+trim_trailing_whitespace = true
+insert_final_newline = true
+
+[*.md]
+trim_trailing_whitespace = false

.eslintignore

@@ -0,0 +1 @@
+coverage

.eslintrc

@@ -0,0 +1,18 @@
+{
+  "extends": "eslint:recommended",
+  "parserOptions": {
+    "ecmaVersion": 8,
+    "ecmaFeatures": {
+      "impliedStrict": true
+    },
+    "sourceType": "module"
+  },
+  "env": {
+    "node": true,
+    "jest": true
+  },
+  "rules": {
+    "no-console": "off",
+    "no-unused-vars": ["warn"]
+  }
+}

.gitignore

@@ -57,3 +57,8 @@ typings/
 # dotenv environment variables file
 .env
 
+# coveralls
+coverage
+
+# babel transpile destination
+lib

.travis.yml

@@ -0,0 +1,5 @@
+language: node_js
+node_js:
+  - lts/*
+  - latest
+after_script: 'cat ./coverage/lcov.info | coveralls'