Fix ethjs-util types resolution

karma.conf.js

@@ -1,6 +1,7 @@
 module.exports = function(config) {
   config.set({
     frameworks: ['mocha', 'karma-typescript'],
+    exclude: ["src/@types/**"],  // ref: https://github.com/monounity/karma-typescript/issues/254
     files: ['src/**/*.ts', 'test/**/*.ts'],
     preprocessors: {
       '**/*.ts': ['karma-typescript'],

src/index.ts

@@ -1,6 +1,3 @@
-/// <reference path="../typings/ethjs-util.d.ts"/>
-import * as ethjsUtil from 'ethjs-util'
-
 /**
  * Constants
  */

tsconfig.json

@@ -1,4 +1,10 @@
 {
   "extends": "@ethereumjs/config-tsc",
-  "include": ["src/**/*.ts", "test/**/*.ts", "typings/**/*.js"]
+  "compilerOptions": {
+    "baseUrl": ".",
+    "paths": {
+      "*": ["src/@types/*"]
+    }
+  },
+  "include": ["src/**/*.ts", "test/**/*.ts"]
 }

tsconfig.prod.json

@@ -1,7 +1,6 @@
 {
-  "extends": "@ethereumjs/config-tsc",
+  "extends": "./tsconfig.json",
   "compilerOptions": {
     "outDir": "./dist"
-  },
-  "include": ["src/**/*.ts", "typings/**/*.ts"]
+  }
 }