Fix contracts and artifacts paths

packages/metacoin/package.json

@@ -7,7 +7,8 @@
         "build:watch": "tsc -w",
         "lint": "tslint --project .",
         "clean": "shx rm -rf lib",
-        "prebuild": "run-s clean generate_contract_wrappers",
+        "prebuild": "run-s clean generate_contract_wrappers copy_artifacts",
+        "copy_artifacts": "copyfiles './artifacts/**/*' './contracts/**/*' ./lib",
         "build": "tsc",
         "test": "run-s build run_mocha",
         "test:coverage": "SOLIDITY_COVERAGE=true run-s build run_mocha coverage:report:text coverage:report:lcov",

packages/metacoin/test/utils/config.ts

@@ -1,7 +1,9 @@
+import * as path from 'path';
+
 export const config = {
     networkId: 50,
-    artifactsDir: 'artifacts',
-    contractsDir: 'contracts',
+    artifactsDir: path.resolve(__dirname, '../../artifacts'),
+    contractsDir: path.resolve(__dirname, '../../contracts'),
     ganacheLogFile: 'ganache.log',
     mnemonic: 'concert load couple harbor equip island argue ramp clarify fence smart topic',
 };

yarn.lock

@@ -1777,10 +1777,6 @@ bn.js@4.11.6:
   version "4.11.6"
   resolved "https://registry.yarnpkg.com/bn.js/-/bn.js-4.11.6.tgz#53344adb14617a13f6e8dd2ce28905d1c0ba3215"
 
-bn.js@4.11.7:
-  version "4.11.7"
-  resolved "https://registry.yarnpkg.com/bn.js/-/bn.js-4.11.7.tgz#ddb048e50d9482790094c13eb3fcfc833ce7ab46"
-
 bn.js@^4.0.0, bn.js@^4.1.0, bn.js@^4.1.1, bn.js@^4.10.0, bn.js@^4.11.0, bn.js@^4.11.3, bn.js@^4.11.6, bn.js@^4.11.8, bn.js@^4.4.0, bn.js@^4.8.0:
   version "4.11.8"
   resolved "https://registry.yarnpkg.com/bn.js/-/bn.js-4.11.8.tgz#2cde09eb5ee341f484746bb0309b3253b1b1442f"
@@ -11680,12 +11676,6 @@ typedoc@~0.8.0:
     typedoc-default-themes "^0.5.0"
     typescript "2.4.1"
 
-types-bn@^0.0.1:
-  version "0.0.1"
-  resolved "https://registry.yarnpkg.com/types-bn/-/types-bn-0.0.1.tgz#4253c7c7251b14e1d77cdca6f58800e5e2b82c4b"
-  dependencies:
-    bn.js "4.11.7"
-
 typescript@2.4.1:
   version "2.4.1"
   resolved "https://registry.yarnpkg.com/typescript/-/typescript-2.4.1.tgz#c3ccb16ddaa0b2314de031e7e6fee89e5ba346bc"