.github: extend interop deps check

Signed-off-by: Evgeniy Stratonikov <evgeniy@nspcc.ru>

.github/workflows/run_tests.yml

@@ -35,7 +35,7 @@ jobs:
           fetch-depth: 0
       - name: Check dependencies
         run: |
-          find -name go.mod | xargs -n1 grep -o 'pkg/interop v\S*' | uniq | wc -l | xargs -I{} -n1 [ 1 -eq {} ] || { echo "Different versions for dependencies in go.mod" && exit 1; }
+          ./scripts/check_deps.sh
 
   test_cover:
     name: Coverage

scripts/check_deps.sh

@@ -0,0 +1,28 @@
+#!/bin/sh
+
+die() {
+	echo "$*"
+	exit 1
+}
+
+find -name go.mod -print0 |
+	xargs -0 -n1 grep -o 'pkg/interop v\S*' |
+	uniq | wc -l |
+	xargs -I{} -n1 [ 1 -eq {} ] ||
+	die "Different versions for dependencies in go.mod"
+
+INTEROP_COMMIT="$(sed -E -n -e 's/.*pkg\/interop.+-.+-(\w+)/\1/ p' go.mod)"
+git merge-base --is-ancestor "$INTEROP_COMMIT" HEAD ||
+	die "pkg/interop commit $INTEROP_COMMIT was not found in git"
+
+for dir in examples/*/; do
+	INTEROP_COMMIT="$(sed -E -n -e 's/.*pkg\/interop.+-.+-(\w+)/\1/ p' "$dir/go.mod")"
+	git merge-base --is-ancestor "$INTEROP_COMMIT" HEAD ||
+		die "$dir: pkg/interop commit $INTEROP_COMMIT was not found in git"
+
+	if [ -z "${dir#*nft-nd-nns/}" ]; then
+		NEO_GO_COMMIT="$(sed -E -n -e 's/.*neo-go\s.+-.+-(\w+)/\1/ p' "$dir/go.mod")"
+		git merge-base --is-ancestor "$NEO_GO_COMMIT" HEAD ||
+			die "$dir: neo-go commit $NEO_GO_COMMIT was not found in git"
+	fi
+done