[#932] adm: Prepare to move InitializeContext to util package

Signed-off-by: Anton Nikiforov <an.nikiforov@yadro.com>

cmd/frostfs-adm/internal/modules/morph/util/initialize_ctx.go

@@ -0,0 +1,34 @@
+package util
+
+import (
+	"encoding/json"
+	"fmt"
+
+	"github.com/nspcc-dev/neo-go/pkg/smartcontract/manifest"
+	"github.com/nspcc-dev/neo-go/pkg/smartcontract/nef"
+	"github.com/nspcc-dev/neo-go/pkg/util"
+)
+
+func (cs *ContractState) Parse() error {
+	nf, err := nef.FileFromBytes(cs.RawNEF)
+	if err != nil {
+		return fmt.Errorf("can't parse NEF file: %w", err)
+	}
+
+	m := new(manifest.Manifest)
+	if err := json.Unmarshal(cs.RawManifest, m); err != nil {
+		return fmt.Errorf("can't parse manifest file: %w", err)
+	}
+
+	cs.NEF = &nf
+	cs.Manifest = m
+	return nil
+}
+
+type ContractState struct {
+	NEF         *nef.File
+	RawNEF      []byte
+	Manifest    *manifest.Manifest
+	RawManifest []byte
+	Hash        util.Uint160
+}