From aee3225d30f005bb8cce0e009c345f7c86538320 Mon Sep 17 00:00:00 2001
From: LukeeGD <l32luke@gmail.com>
Date: Fri, 27 Mar 2020 16:00:04 +0800
Subject: [PATCH] Add sha1sum in firmware

---
 resources/buildmanifestsaver.sh | 2 ++
 restore.sh                      | 3 ++-
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/resources/buildmanifestsaver.sh b/resources/buildmanifestsaver.sh
index 89b6d6e..0d6cee2 100755
--- a/resources/buildmanifestsaver.sh
+++ b/resources/buildmanifestsaver.sh
@@ -16,6 +16,7 @@ do
     pzb -g AssetData/boot/BuildManifest.plist -o manifests/BuildManifest_$ProductType.plist $dllink
     mkdir -p firmware/$ProductType/12H321
     curl -L https://firmware-keys.ipsw.me/firmware/$ProductType/12H321 -o firmware/$ProductType/12H321/index.html
+    curl -L https://api.ipsw.me/v2.1/${ProductType}/12H321/sha1sum -o firmware/$ProductType/12H321/sha1sum
 done
 
 for ProductType in "${devices613[@]}"
@@ -24,4 +25,5 @@ do
     pzb -g AssetData/boot/BuildManifest.plist -o manifests/BuildManifest613_$ProductType.plist $dllink
     mkdir -p firmware/$ProductType/10B329
     curl -L https://firmware-keys.ipsw.me/firmware/$ProductType/10B329 -o firmware/$ProductType/10B329/index.html
+    curl -L https://api.ipsw.me/v2.1/${ProductType}/10B329/sha1sum -o firmware/$ProductType/10B329/sha1sum
 done
diff --git a/restore.sh b/restore.sh
index 23ac8ed..fd423d7 100755
--- a/restore.sh
+++ b/restore.sh
@@ -199,6 +199,7 @@ function SaveOTABlobs {
     SHSH=$(ls ${UniqueChipID}_${ProductType}_${DowngradeVersion}-*.shsh2)
     if [ ! -e "$SHSH" ]; then
         echo "[Error] Saving $DowngradeVersion blobs failed. Please run the script again"
+        echo "It is also possible that $DowngradeVersion for $ProductType is no longer being signed"
         exit
     fi
     mkdir output 2>/dev/null
@@ -308,7 +309,7 @@ function Downgrade {
             mv tmp/$IPSW.ipsw .
         fi
         echo "[Log] Verifying IPSW..."
-        SHA1IPSW=$(curl -L https://api.ipsw.me/v2.1/${ProductType}/${DowngradeBuildVer}/sha1sum)
+        SHA1IPSW=$(cat resources/firmware/${ProductType}/${DowngradeBuildVer}/sha1sum)
         SHA1IPSWL=$(sha1sum "$IPSW.ipsw" | awk '{print $1}')
         if [ $SHA1IPSW != $SHA1IPSWL ]; then
             echo "[Error] SHA1 of IPSW does not match!"