add: signature command in iovnscli

Dockerfile.dev

@@ -16,5 +16,5 @@ RUN mv /build/iovnscli iovnscli
 RUN mv /build/iovnsd iovnsd
 COPY ./scripts .
 RUN chmod +x init.sh
-RUN bash ./init.sh
+RUN sh ./init.sh
 CMD iovnsd start

cmd/iovnscli/extension/signature.go

@@ -0,0 +1,88 @@
+package extension
+
+import (
+	"bytes"
+	"encoding/json"
+	"fmt"
+	"github.com/cosmos/cosmos-sdk/client/context"
+	"github.com/cosmos/cosmos-sdk/client/flags"
+	"github.com/cosmos/cosmos-sdk/crypto/keys"
+	sdk "github.com/cosmos/cosmos-sdk/types"
+	"github.com/spf13/cobra"
+	"github.com/spf13/pflag"
+	"github.com/spf13/viper"
+	"io"
+	"os"
+)
+
+type SignatureSchema struct {
+	ChanID  string         `json:"@chain_id"`
+	Type    string         `json:"@type"`
+	Message []byte         `json:"text"`
+	Sig     string         `json:"sig"`
+	PubKey  sdk.AccAddress `json:"address"`
+}
+
+type sigCommand struct {
+	file string
+}
+
+func (s *sigCommand) applyFlags(flag *pflag.FlagSet) {
+	flag.StringP("file", "f", "", "")
+}
+
+func (s *sigCommand) extractFlags(flag *pflag.FlagSet) (err error) {
+	s.file, err = flag.GetString("file")
+	if err != nil {
+		return err
+	}
+	return
+}
+
+func SignatureCommand() *cobra.Command {
+	req := new(sigCommand)
+	cmd := &cobra.Command{
+		Use: "sign",
+		RunE: func(cmd *cobra.Command, args []string) (err error) {
+			// extract flags
+			err = req.extractFlags(cmd.Flags())
+			if err != nil {
+				return
+			}
+			// retrieve file
+			f, err := os.Open(req.file)
+			if err != nil {
+				return
+			}
+			defer f.Close()
+			buf := &bytes.Buffer{}
+			_, err = io.Copy(buf, f)
+			if err != nil {
+				return
+			}
+			cliCtx := context.NewCLIContext()
+			kb, err := keys.NewKeyring(sdk.KeyringServiceName(), viper.GetString(flags.FlagKeyringBackend), viper.GetString(flags.FlagHome), cmd.InOrStdin())
+			if err != nil {
+				return err
+			}
+			sig, _, err := kb.Sign(cliCtx.GetFromName(), keys.DefaultBIP39Passphrase, buf.Bytes())
+			if err != nil {
+				return
+			}
+			messageJSON, err := json.Marshal(&SignatureSchema{
+				ChanID:  cliCtx.ChainID,
+				Type:    "message",
+				Sig:     string(sig),
+				Message: buf.Bytes(),
+				PubKey:  cliCtx.GetFromAddress(),
+			})
+			if err != nil {
+				return
+			}
+			cmd.Println(fmt.Sprintf("%s", messageJSON))
+			return nil
+		},
+	}
+	req.applyFlags(cmd.Flags())
+	return cmd
+}

cmd/iovnscli/main.go

@@ -2,6 +2,7 @@ package main
 
 import (
 	"fmt"
+	"github.com/iov-one/iovns/cmd/iovnscli/extension"
 	"net/http"
 	"os"
 	"path"
@@ -65,6 +66,7 @@ func main() {
 	}
 
 	// Construct Root Command
+	sign := flags.PostCommands(extension.SignatureCommand())[0]
 	rootCmd.AddCommand(
 		rpc.StatusCommand(),
 		client.ConfigCmd(app.DefaultCLIHome),
@@ -77,6 +79,7 @@ func main() {
 		flags.LineBreak,
 		version.Cmd,
 		flags.NewCompletionCmd(rootCmd, true),
+		sign,
 	)
 
 	// Add flags and prefix all env exposed with AA

scripts/init.sh

@@ -2,10 +2,6 @@
 
 set -o nounset
 
-echo -n "This script will remove all existing iovns configurations, wallets etc. Do you want to proceed? [Y/n] "
-read YN
-if ! echo $YN | grep -v -q -i "n"; then exit; fi
-
 rm -rf "$HOME/.iovnscli"
 rm -rf "$HOME/.iovnsd"
 # init config files