Add scripts for generating and verifying SHA 512 checksums (#2168)

* Add scripts for generating and verifying SHA 512 checksums

* Update checksum scripts

* Rename to NON_EMPTY since that's what it actually is 😅

* Add checksum to prerelease

* Address feedback

* only gen checksum if apk exists

* add shellscript

* fix .sh file

app/core/Engine.js

@@ -33,7 +33,7 @@ import contractMap from '@metamask/contract-metadata';
 import Logger from '../util/Logger';
 import { LAST_INCOMING_TX_BLOCK_INFO } from '../constants/storage';
 
-const EMPTY = 'EMPTY';
+const NON_EMPTY = 'NON_EMPTY';
 
 const encryptor = new Encryptor();
 let currentChainId;
@@ -79,7 +79,7 @@ class Engine {
 					new PersonalMessageManager(),
 					new MessageManager(),
 					new NetworkController({
-						infuraProjectId: process.env.MM_INFURA_PROJECT_ID || EMPTY,
+						infuraProjectId: process.env.MM_INFURA_PROJECT_ID || NON_EMPTY,
 						providerConfig: {
 							static: {
 								eth_sendTransaction: async (payload, next, end) => {

package.json

@@ -22,6 +22,8 @@
     "build:announce": "node ./scripts/metamask-bot-build-announce.js",
     "build:android:release": "./scripts/build.sh android release",
     "build:android:release:e2e": "./scripts/build.sh android releaseE2E",
+    "build:android:checksum": "./scripts/checksum.sh",
+    "build:android:checksum:verify": "shasum -a 512 -c sha512sums.txt",
     "build:android:pre-release": "./scripts/build.sh android release --pre",
     "build:android:pre-release:bundle": "GENERATE_BUNDLE=true ./scripts/build.sh android release --pre",
     "build:ios:release": "./scripts/build.sh ios release",

scripts/build.sh

@@ -235,6 +235,8 @@ buildAndroidRelease(){
 	if [ "$PRE_RELEASE" = true ] ; then
 		# Generate sourcemaps
 		yarn sourcemaps:android
+		# Generate checksum
+		yarn build:android:checksum
 	fi
 
 	if [ "$PRE_RELEASE" = false ] ; then

scripts/checksum.sh

@@ -0,0 +1,7 @@
+#!/bin/bash
+
+FILE=./android/app/build/outputs/apk/release/app-release.apk
+
+if test -f "$FILE"; then
+  shasum -a 512 "$FILE" > ./android/app/build/outputs/apk/release/sha512sums.txt
+fi;