refactor code and project structure

.gitignore

@@ -1,44 +1,5 @@
-lib-cov
-*.seed
-*.log
-*.csv
-*.dat
-*.out
-*.pid
-*.gz
-*.swp
-
-pids
-logs
-results
-tmp
-
-# Build
-public/css/main.css
-
-# Coverage reports
-coverage
+.nyc_output
 
-# API keys and secrets
-.env
-
-# Dependency directory
-node_modules
-bower_components
-
-# Editors
-.idea
-*.iml
-
-# OS metadata
-.DS_Store
-Thumbs.db
-
-# Ignore built ts files
-dist/**/*
-
-# ignore yarn.lock
-yarn.lock
 lib-cov
 *.seed
 *.log
@@ -79,4 +40,4 @@ Thumbs.db
 dist/**/*
 
 # ignore yarn.lock
-yarn.lock
+yarn.lock

.prettierrc.json

@@ -0,0 +1,4 @@
+{
+  "singleQuote": true,
+  "trailingComma": "all"
+}

LICENSE

@@ -0,0 +1,21 @@
+The MIT License (MIT)
+
+Copyright (c) 2011-2018 bitcoinjs-lib contributors
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.