chore(scripts): add trie version as parameter for retrieve-state sc…

…ript (#4276)

scripts/retrieve_state/retrieve_state.go

@@ -27,6 +27,11 @@ import (
 var (
 	errZeroLengthResponse = errors.New("zero length response")
 	errEmptyStateEntries  = errors.New("empty state entries")
+
+	supportedVersions = map[string]trie.TrieLayout{
+		"v0": trie.V0,
+		"v1": trie.V1,
+	}
 )
 
 type StateRequestProvider struct {
@@ -86,9 +91,10 @@ func (s *StateRequestProvider) processResponse(stateResponse *messages.StateResp
 	return nil
 }
 
-func (s *StateRequestProvider) buildTrie(expectedStorageRootHash common.Hash, destination string) error {
+func (s *StateRequestProvider) buildTrie(expectedStorageRootHash common.Hash,
+	destination string, v trie.TrieLayout) error {
 	tt := inmemory.NewEmptyTrie()
-	tt.SetVersion(trie.V1)
+	tt.SetVersion(v)
 
 	entries := make([]string, 0)
 
@@ -127,10 +133,14 @@ func (s *StateRequestProvider) buildTrie(expectedStorageRootHash common.Hash, de
 }
 
 func main() {
-	if len(os.Args) != 5 {
-		log.Fatalf(`
-		script usage:
-			go run retrieve_state.go [hash] [expected storage root hash] [network chain spec] [output file]`)
+	if len(os.Args) != 6 {
+		log.Fatalf(`script usage:
+	go run retrieve_state.go [block hash] [expected state root hash] [network chain spec] [v0|v1] [output file]`)
+	}
+
+	version, ok := supportedVersions[os.Args[4]]
+	if !ok {
+		log.Fatalf("ERR version not supported: %s", os.Args[4])
 	}
 
 	targetBlockHash := common.MustHexToHash(os.Args[1])
@@ -186,7 +196,7 @@ func main() {
 		refreshPeerID = false
 	}
 
-	if err := provider.buildTrie(expectedStorageRootHash, os.Args[4]); err != nil {
+	if err := provider.buildTrie(expectedStorageRootHash, os.Args[5], version); err != nil {
 		panic(err)
 	}
 }