Fix Unregistered interface types.Evidence (#8221)

* fix Unregistered interface

* add test

Co-authored-by: Anil Kumar Kammari <anil@vitwit.com>

client/rpc/block.go

@@ -11,6 +11,7 @@ import (
 
 	"github.com/cosmos/cosmos-sdk/client"
 	"github.com/cosmos/cosmos-sdk/client/flags"
+	"github.com/cosmos/cosmos-sdk/codec/legacy"
 	"github.com/cosmos/cosmos-sdk/types/rest"
 )
 
@@ -69,7 +70,7 @@ func getBlock(clientCtx client.Context, height *int64) ([]byte, error) {
 		return nil, err
 	}
 
-	return clientCtx.LegacyAmino.MarshalJSON(res)
+	return legacy.Cdc.MarshalJSON(res)
 }
 
 // get the current blockchain height

client/rpc/rpc_test.go

@@ -5,10 +5,13 @@ import (
 	"testing"
 
 	"github.com/stretchr/testify/suite"
+	ctypes "github.com/tendermint/tendermint/rpc/core/types"
 
 	"github.com/cosmos/cosmos-sdk/client/rpc"
+	"github.com/cosmos/cosmos-sdk/codec/legacy"
 	clitestutil "github.com/cosmos/cosmos-sdk/testutil/cli"
 	"github.com/cosmos/cosmos-sdk/testutil/network"
+	"github.com/cosmos/cosmos-sdk/types/rest"
 )
 
 type IntegrationTestSuite struct {
@@ -42,6 +45,17 @@ func (s *IntegrationTestSuite) TestStatusCommand() {
 	s.Require().Contains(out.String(), fmt.Sprintf("\"moniker\":\"%s\"", val0.Moniker))
 }
 
+func (s *IntegrationTestSuite) TestLatestBlocks() {
+	val0 := s.network.Validators[0]
+
+	res, err := rest.GetRequest(fmt.Sprintf("%s/blocks/latest", val0.APIAddress))
+	s.Require().NoError(err)
+
+	var result ctypes.ResultBlock
+	err = legacy.Cdc.UnmarshalJSON(res, &result)
+	s.Require().NoError(err)
+}
+
 func TestIntegrationTestSuite(t *testing.T) {
 	suite.Run(t, new(IntegrationTestSuite))
 }