Add wallet program which can create a new Account for user

client/wallet/main.go

@@ -0,0 +1,68 @@
+package main
+
+import (
+	"crypto/rand"
+	"flag"
+	"fmt"
+	"github.com/simple-rules/harmony-benchmark/crypto"
+	"github.com/simple-rules/harmony-benchmark/crypto/pki"
+	"io"
+	"os"
+)
+
+func main() {
+	// Account subcommands
+	//accountNewCommand := flag.NewFlagSet("new", flag.ExitOnError)
+	//accountListCommand := flag.NewFlagSet("list", flag.ExitOnError)
+	//
+	//// Transaction subcommands
+	//transactionNewCommand := flag.NewFlagSet("new", flag.ExitOnError)
+	//
+	//// Account subcommand flag pointers
+	//// Adding a new choice for --metric of 'substring' and a new --substring flag
+	//accountNewPtr := accountNewCommand.Bool("new", false, "N/A")
+	//accountListPtr := accountNewCommand.Bool("new", false, "N/A")
+	//
+	//// Transaction subcommand flag pointers
+	//transactionNewPtr := transactionNewCommand.String("text", "", "Text to parse. (Required)")
+
+	// Verify that a subcommand has been provided
+	// os.Arg[0] is the main command
+	// os.Arg[1] will be the subcommand
+	if len(os.Args) < 2 {
+		fmt.Println("account or transaction subcommand is required")
+		os.Exit(1)
+	}
+
+	// Switch on the subcommand
+	// Parse the flags for appropriate FlagSet
+	// FlagSet.Parse() requires a set of arguments to parse as input
+	// os.Args[2:] will be all arguments starting after the subcommand at os.Args[1]
+	switch os.Args[1] {
+	case "account":
+		switch os.Args[2] {
+		case "new":
+			fmt.Println("Creating new account...")
+
+			randomBytes := [32]byte{}
+			_, err := io.ReadFull(rand.Reader, randomBytes[:])
+
+			if err != nil {
+				fmt.Println("Failed to create a new private key...")
+				return
+			}
+			priKey := crypto.Ed25519Curve.Scalar().SetBytes(randomBytes[:])
+			pubKey := pki.GetPublicKeyFromScalar(priKey)
+			address := pki.GetAddressFromPublicKey(pubKey)
+			fmt.Printf("New account created:\nAddress: {%x}\n", address)
+		}
+	case "transaction":
+		switch os.Args[2] {
+		case "new":
+			fmt.Println("Creating new transaction...")
+		}
+	default:
+		flag.PrintDefaults()
+		os.Exit(1)
+	}
+}

utils/distribution_config.go

@@ -101,7 +101,6 @@ func (config *DistributionConfig) ReadConfigFile(filename string) error {
 		entry := ConfigEntry{p[0], p[1], p[2], p[3]}
 		result = append(result, entry)
 	}
-	log.Println(result)
 	config.config = result
 	return nil
 }