From a92593f1e55219731f1ec37cdf9ef948e7ce08ff Mon Sep 17 00:00:00 2001
From: Sahith Reddy Narahari <sahith@vitwit.com>
Date: Tue, 10 Dec 2019 19:53:49 +0530
Subject: [PATCH] Added expiration flag to grant tx

---
 x/msg_authorization/client/cli/flags.go |  3 +++
 x/msg_authorization/client/cli/tx.go    | 10 ++++++++++
 2 files changed, 13 insertions(+)
 create mode 100644 x/msg_authorization/client/cli/flags.go

diff --git a/x/msg_authorization/client/cli/flags.go b/x/msg_authorization/client/cli/flags.go
new file mode 100644
index 000000000000..a77534c3551f
--- /dev/null
+++ b/x/msg_authorization/client/cli/flags.go
@@ -0,0 +1,3 @@
+package cli
+
+const FlagExpiration = "expiration"
diff --git a/x/msg_authorization/client/cli/tx.go b/x/msg_authorization/client/cli/tx.go
index 9242e3f61dff..ff33d7fa57ae 100644
--- a/x/msg_authorization/client/cli/tx.go
+++ b/x/msg_authorization/client/cli/tx.go
@@ -2,6 +2,8 @@ package cli
 
 import (
 	"bufio"
+	"time"
+
 	"github.com/cosmos/cosmos-sdk/client"
 	"github.com/cosmos/cosmos-sdk/client/context"
 	"github.com/cosmos/cosmos-sdk/codec"
@@ -10,6 +12,7 @@ import (
 	"github.com/cosmos/cosmos-sdk/x/auth/client/utils"
 	"github.com/cosmos/cosmos-sdk/x/msg_authorization/internal/types"
 	"github.com/spf13/cobra"
+	"github.com/spf13/viper"
 )
 
 // GetTxCmd returns the transaction commands for this module
@@ -53,6 +56,11 @@ func GetCmdGrantCapability(cdc *codec.Codec) *cobra.Command {
 			if err != nil {
 				return err
 			}
+			expirationString := viper.GetString(FlagExpiration)
+			expiration, err := time.Parse(time.RFC3339, expirationString)
+			if err != nil {
+				return err
+			}
 
 			msg := types.NewMsgGrantAuthorization(granter, grantee, capability, expiration)
 			if err := msg.ValidateBasic(); err != nil {
@@ -63,6 +71,8 @@ func GetCmdGrantCapability(cdc *codec.Codec) *cobra.Command {
 
 		},
 	}
+	cmd.Flags().String(FlagExpiration, "9999-12-31 23:59:59.52Z", "The time upto which the authorization is active for the user")
+
 	return cmd
 }