Revert "delete everything" (includes everything non-go-crypto)

This reverts commit 96a3502

rpc/lib/client/args_test.go

@@ -0,0 +1,43 @@
+package rpcclient
+
+import (
+	"testing"
+
+	"github.com/stretchr/testify/assert"
+	"github.com/stretchr/testify/require"
+
+	"github.com/tendermint/go-amino"
+)
+
+type Tx []byte
+
+type Foo struct {
+	Bar int
+	Baz string
+}
+
+func TestArgToJSON(t *testing.T) {
+	assert := assert.New(t)
+	require := require.New(t)
+
+	cases := []struct {
+		input    interface{}
+		expected string
+	}{
+		{[]byte("1234"), "0x31323334"},
+		{Tx("654"), "0x363534"},
+		{Foo{7, "hello"}, `{"Bar":"7","Baz":"hello"}`},
+	}
+
+	cdc := amino.NewCodec()
+
+	for i, tc := range cases {
+		args := map[string]interface{}{"data": tc.input}
+		err := argsToJSON(cdc, args)
+		require.Nil(err, "%d: %+v", i, err)
+		require.Equal(1, len(args), "%d", i)
+		data, ok := args["data"].(string)
+		require.True(ok, "%d: %#v", i, args["data"])
+		assert.Equal(tc.expected, data, "%d", i)
+	}
+}