cli: add three cli command for exploring

cli.go

@@ -21,6 +21,11 @@ func (cli *CLI) printUsage() {
 	fmt.Println("  reindexutxo - Rebuilds the UTXO set")
 	fmt.Println("  send -from FROM -to TO -amount AMOUNT -mine - Send AMOUNT of coins from FROM address to TO. Mine on the same node, when -mine is set.")
 	fmt.Println("  startnode -miner ADDRESS - Start a node with ID specified in NODE_ID env. var. -miner enables mining")
+	fmt.Println()
+	fmt.Println("Exploring cmds:")
+	fmt.Println("  generateKey - generate KeyPair for exploring")
+	fmt.Println("  getAddress -pubKey PUBKEY - convert pubKey to address")
+	fmt.Println("  validateAddress -addr Address - validate an address")
 }
 
 func (cli *CLI) validateArgs() {
@@ -48,6 +53,9 @@ func (cli *CLI) Run() {
 	reindexUTXOCmd := flag.NewFlagSet("reindexutxo", flag.ExitOnError)
 	sendCmd := flag.NewFlagSet("send", flag.ExitOnError)
 	startNodeCmd := flag.NewFlagSet("startnode", flag.ExitOnError)
+	generateKeyCmd := flag.NewFlagSet("generateKey", flag.ExitOnError)
+	getAddressCmd := flag.NewFlagSet("getAddress", flag.ExitOnError)
+	validateAddrCmd := flag.NewFlagSet("validateAddress", flag.ExitOnError)
 
 	getBalanceAddress := getBalanceCmd.String("address", "", "The address to get balance for")
 	createBlockchainAddress := createBlockchainCmd.String("address", "", "The address to send genesis block reward to")
@@ -56,6 +64,8 @@ func (cli *CLI) Run() {
 	sendAmount := sendCmd.Int("amount", 0, "Amount to send")
 	sendMine := sendCmd.Bool("mine", false, "Mine immediately on the same node")
 	startNodeMiner := startNodeCmd.String("miner", "", "Enable mining mode and send reward to ADDRESS")
+	pubKey := getAddressCmd.String("pubKey", "", "the key where address generated")
+	address := validateAddrCmd.String("addr", "", "the public address")
 
 	switch os.Args[1] {
 	case "getbalance":
@@ -98,6 +108,21 @@ func (cli *CLI) Run() {
 		if err != nil {
 			log.Panic(err)
 		}
+	case "validateAddress":
+		err := validateAddrCmd.Parse(os.Args[2:])
+		if err != nil {
+			log.Panic(err)
+		}
+	case "generateKey":
+		err := generateKeyCmd.Parse(os.Args[2:])
+		if err != nil {
+			log.Panic(err)
+		}
+	case "getAddress":
+		err := getAddressCmd.Parse(os.Args[2:])
+		if err != nil {
+			log.Panic(err)
+		}
 	default:
 		cli.printUsage()
 		os.Exit(1)
@@ -152,4 +177,27 @@ func (cli *CLI) Run() {
 		}
 		cli.startNode(nodeID, *startNodeMiner)
 	}
+
+	if generateKeyCmd.Parsed() {
+		cli.generateKey()
+	}
+
+	if getAddressCmd.Parsed() {
+		if *pubKey == "" {
+			getAddressCmd.Usage()
+			os.Exit(1)
+		}
+
+		cli.getAddress(*pubKey)
+	}
+
+	if validateAddrCmd.Parsed() {
+		if *address == "" {
+			validateAddrCmd.Usage()
+			os.Exit(1)
+		}
+
+		cli.validateAddr(*address)
+	}
+
 }

cli_explore.go

@@ -0,0 +1,35 @@
+package main
+
+import (
+	"encoding/hex"
+	"fmt"
+)
+
+func (cli *CLI) generateKey() {
+	_, public := newKeyPair()
+	fmt.Println("Public Key:")
+	fmt.Println(hex.EncodeToString(public))
+}
+
+func (cli *CLI) getAddress(pubKey string) {
+	public, _ := hex.DecodeString(pubKey)
+
+	pubKeyHash := HashPubKey(public)
+
+	versionedPayload := append([]byte{version}, pubKeyHash...)
+	checksum := checksum(versionedPayload)
+
+	fullPayload := append(versionedPayload, checksum...)
+	address := Base58Encode(fullPayload)
+	fmt.Println()
+	fmt.Printf("PubKey : %s\nAddress: %s\n", pubKey, address)
+}
+
+func (cli *CLI) validateAddr(address string) {
+	fmt.Printf("Address: %s\n", address)
+	if !ValidateAddress(address) {
+		fmt.Println("Not valid!")
+	} else {
+		fmt.Println("Valid!")
+	}
+}