From 7f74ab2b29a5ed3043b2c3c0d89928885f77bde2 Mon Sep 17 00:00:00 2001
From: Alexander Popiak <alexander.popiak@parity.io>
Date: Thu, 4 Nov 2021 14:29:08 +0100
Subject: [PATCH] add a script for verifying the shell chain spec

---
 scripts/verify_shell_spec.sh | 21 +++++++++++++++++++++
 1 file changed, 21 insertions(+)
 create mode 100755 scripts/verify_shell_spec.sh

diff --git a/scripts/verify_shell_spec.sh b/scripts/verify_shell_spec.sh
new file mode 100755
index 0000000000..e9483e8712
--- /dev/null
+++ b/scripts/verify_shell_spec.sh
@@ -0,0 +1,21 @@
+#!/usr/bin/env bash
+
+usage() {
+    echo Usage:
+    echo "$0 <generated shell spec>"
+    exit 1
+}
+
+set -e
+
+spec_path=$1
+
+# sort the json files by key to make sure they are the same when hashed
+jq --sort-keys . polkadot-parachains/res/shell-statemint.json > sorted.json
+# generate the checksum
+sha256sum sorted.json > chainspec-checksum
+
+# overwrite the sorted chainspec json...
+jq --sort-keys . $spec_path > sorted.json
+# ... so that we can verify the checksum
+sha256sum --check chainspec-checksum