create default header hasher now private

Author: randygrok

types/hashing.go

@@ -10,7 +10,7 @@ import (
 var (
 	leafPrefix = []byte{0}
 	// DefaultHeaderHasher is the global header hasher that can be overridden by different implementations
-	DefaultHeaderHasher HeaderHasher = CreateDefaultHeaderHasher()
+	DefaultHeaderHasher HeaderHasher = createDefaultHeaderHasher()
 )
 
 // SetHeaderHasher allows different implementations to override the default header hasher

types/utils.go

@@ -333,8 +333,8 @@ func CreateDefaultSignaturePayloadProvider() SignaturePayloadProvider {
 	}
 }
 
-// CreateDefaultHeaderHasher creates a basic header hasher that returns a hash of the header
-func CreateDefaultHeaderHasher() HeaderHasher {
+// createDefaultHeaderHasher creates a basic header hasher that returns a hash of the header
+func createDefaultHeaderHasher() HeaderHasher {
 	return func(header *Header) (Hash, error) {
 		if header == nil {
 			return nil, errors.New("header cannot be nil")