hashing tools

Author: 0xbcdev

README.md

@@ -110,6 +110,13 @@ devd convert to_upper_case [input]
 # devd c uppercase aa
 ```
 
+### Hashing tools
+
+```bash
+devd hash md5 [input]
+devd hash keccak256 [input]
+```
+
 ### Debug tools
 
 #### Compute EVM transaction intrinsic gas

cmd/hash/keccak256.go

@@ -0,0 +1,24 @@
+package hash
+
+import (
+	"encoding/hex"
+	"fmt"
+	"github.com/ethereum/go-ethereum/crypto"
+	"github.com/spf13/cobra"
+	"strings"
+)
+
+func GetKeccak256Command() *cobra.Command {
+	cmd := &cobra.Command{
+		Use:   "keccak256 [input]",
+		Short: "keccak256 hashing input",
+		Args:  cobra.ExactArgs(1),
+		Run: func(_ *cobra.Command, args []string) {
+			input := strings.Join(args, " ")
+			hash := crypto.Keccak256Hash([]byte(input))
+			fmt.Println(hex.EncodeToString(hash.Bytes()))
+		},
+	}
+
+	return cmd
+}

cmd/hash/md5.go

@@ -0,0 +1,24 @@
+package hash
+
+import (
+	"crypto/md5"
+	"encoding/hex"
+	"fmt"
+	"github.com/spf13/cobra"
+	"strings"
+)
+
+func GetMd5Command() *cobra.Command {
+	cmd := &cobra.Command{
+		Use:   "md5 [input]",
+		Short: "MD5 hashing input",
+		Args:  cobra.ExactArgs(1),
+		Run: func(_ *cobra.Command, args []string) {
+			input := strings.Join(args, " ")
+			hash := md5.Sum([]byte(input))
+			fmt.Println(hex.EncodeToString(hash[:]))
+		},
+	}
+
+	return cmd
+}

cmd/hash/root.go

@@ -0,0 +1,20 @@
+package hash
+
+import (
+	"github.com/spf13/cobra"
+)
+
+// Commands registers a sub-tree of commands
+func Commands() *cobra.Command {
+	cmd := &cobra.Command{
+		Use:   "hash",
+		Short: "Hashing commands",
+	}
+
+	cmd.AddCommand(
+		GetMd5Command(),
+		GetKeccak256Command(),
+	)
+
+	return cmd
+}

cmd/root.go

@@ -6,6 +6,7 @@ import (
 	libutils "github.com/EscanBE/go-lib/utils"
 	"github.com/bcdevtools/devd/cmd/convert"
 	"github.com/bcdevtools/devd/cmd/debug"
+	"github.com/bcdevtools/devd/cmd/hash"
 	"github.com/bcdevtools/devd/cmd/query"
 	"github.com/bcdevtools/devd/cmd/types"
 	"github.com/bcdevtools/devd/cmd/utils"
@@ -60,6 +61,7 @@ func init() {
 	rootCmd.AddCommand(convert.Commands())
 	rootCmd.AddCommand(debug.Commands())
 	rootCmd.AddCommand(query.Commands())
+	rootCmd.AddCommand(hash.Commands())
 
 	rootCmd.PersistentFlags().String(constants.FLAG_USE_WORKING_USERNAME, "", "Use the specified username as working context username, must be either effective user or real user, if not specified, will use default selected working user")
 	rootCmd.PersistentFlags().String(constants.FLAG_REQUIRE_WORKING_USERNAME, "", "Ensure working user is the specified user: if working user selected by application has username different with the specified username, application will exit with error")