Helper function

client/context/viper.go

@@ -2,6 +2,7 @@ package context
 
 import (
 	"encoding/json"
+	"fmt"
 	"github.com/spf13/viper"
 	"io/ioutil"
 
@@ -47,3 +48,18 @@ func NewCoreContextFromViper() core.CoreContext {
 		AccountStore:    "main",
 	}
 }
+
+// Automatically set sequence number
+func AutoSequence(ctx core.CoreContext) (core.CoreContext, error) {
+	from, err := ctx.GetFromAddress()
+	if err != nil {
+		return ctx, err
+	}
+	seq, err := ctx.NextSequence(from)
+	if err != nil {
+		return ctx, err
+	}
+	fmt.Printf("Defaulting to next sequence number: %d\n", seq)
+	ctx = ctx.WithSequence(seq)
+	return ctx, nil
+}

x/bank/commands/sendtx.go

@@ -64,17 +64,9 @@ func (c Commander) sendTxCmd(cmd *cobra.Command, args []string) error {
 	msg := BuildMsg(from, to, coins)
 
 	// default to next sequence number if none provided
-	if viper.GetInt64(client.FlagSequence) == 0 {
-		from, err := ctx.GetFromAddress()
-		if err != nil {
-			return err
-		}
-		seq, err := ctx.NextSequence(from)
-		if err != nil {
-			return err
-		}
-		fmt.Printf("Defaulting to next sequence number: %d\n", seq)
-		ctx = ctx.WithSequence(seq)
+	ctx, err = context.AutoSequence(ctx)
+	if err != nil {
+		return err
 	}
 
 	// build and sign the transaction, then broadcast to Tendermint