Merge PR #5600: Migrate x/staking to Protobuf

codec/amino.go

@@ -45,8 +45,8 @@ func RegisterEvidences(cdc *Codec) {
 // MarshalJSONIndent provides a utility for indented JSON encoding of an object
 // via an Amino codec. It returns an error if it cannot serialize or indent as
 // JSON.
-func MarshalJSONIndent(cdc *Codec, obj interface{}) ([]byte, error) {
-	bz, err := cdc.MarshalJSON(obj)
+func MarshalJSONIndent(m JSONMarshaler, obj interface{}) ([]byte, error) {
+	bz, err := m.MarshalJSON(obj)
 	if err != nil {
 		return nil, err
 	}
@@ -60,8 +60,8 @@ func MarshalJSONIndent(cdc *Codec, obj interface{}) ([]byte, error) {
 }
 
 // MustMarshalJSONIndent executes MarshalJSONIndent except it panics upon failure.
-func MustMarshalJSONIndent(cdc *Codec, obj interface{}) []byte {
-	bz, err := MarshalJSONIndent(cdc, obj)
+func MustMarshalJSONIndent(m JSONMarshaler, obj interface{}) []byte {
+	bz, err := MarshalJSONIndent(m, obj)
 	if err != nil {
 		panic(fmt.Sprintf("failed to marshal JSON: %s", err))
 	}

codec/codec.go

@@ -30,6 +30,10 @@ type (
 		UnmarshalBinaryLengthPrefixed(bz []byte, ptr ProtoMarshaler) error
 		MustUnmarshalBinaryLengthPrefixed(bz []byte, ptr ProtoMarshaler)
 
+		JSONMarshaler
+	}
+
+	JSONMarshaler interface {
 		MarshalJSON(o interface{}) ([]byte, error) // nolint: stdmethods
 		MustMarshalJSON(o interface{}) []byte