CLI (#12)

.gitignore

@@ -15,4 +15,5 @@
 
 # Added by Authors
 vendor/
-go-tcw.*
+go-tcw.*
+neo-go-sdk

Makefile

@@ -1,6 +1,9 @@
 BRANCH = "master"
 VERSION = $(shell cat ./VERSION)
 
+build-cli:
+	@go build .
+
 check-version:
 	@echo "=> Checking if VERSION exists as Git tag..."
 	(! git rev-list ${VERSION})

README.md

@@ -83,4 +83,5 @@ See [GoDoc](https://godoc.org/github.com/CityOfZion/neo-go-sdk/neo) for full doc
 ## License
 
 - Open-source [MIT](https://github.com/CityOfZion/neo-go-sdk/blob/master/LICENSE).
-- Main author is [@revett](https://github.com/revett).
+- Main author is [@revett](https://github.com/revett).
+- This project adheres to the [Contributor Covenant Code of Conduct](https://github.com/goreleaser/goreleaser/blob/master/CODE_OF_CONDUCT.md).

VERSION

@@ -1 +1 @@
-1.2.0
+1.3.0

main.go

@@ -0,0 +1,54 @@
+package main
+
+import (
+	"fmt"
+	"os"
+
+	"github.com/CityOfZion/neo-go-sdk/neo"
+)
+
+func main() {
+	if len(os.Args) != 3 || os.Args[1] != "--wif" {
+		outputUsage()
+	}
+
+	wif := os.Args[2]
+
+	if len(wif) != 52 {
+		outputError("WIF entered is not 52 characters long.")
+	}
+
+	privateKey, err := neo.NewPrivateKeyFromWIF(wif)
+	if err != nil {
+		outputError("Unable to convert WIF to private key.")
+	}
+
+	publicAddress, err := privateKey.PublicAddress()
+	if err != nil {
+		outputError("Error when deriving public address from private key.")
+	}
+
+	fmt.Println("Details:")
+	fmt.Printf(" - Private key: \t\t%s\n", privateKey.Output())
+	fmt.Printf(" - Private key (base64): \t%s\n", privateKey.OutputBase64())
+	fmt.Printf(" - Public address (compressed): %s\n", publicAddress)
+	fmt.Printf(" - WIF (compressed): \t\t%s\n", wif)
+}
+
+func outputError(message string) {
+	fmt.Printf("[ERROR] %s\n", message)
+	fmt.Println("Try: neo-go-sdk --help")
+	os.Exit(1)
+}
+
+func outputUsage() {
+	fmt.Println("Tool to help debug a NEO public and private key pair.")
+	fmt.Println("")
+	fmt.Println("Usage:")
+	fmt.Println("\tneo-go-sdk --wif <WIF>")
+	fmt.Println("")
+	fmt.Println("Options:")
+	fmt.Println("\t--wif\tWIF (wallet import format) for NEO private key.")
+	fmt.Println("\t--help\tPrint usage.")
+	os.Exit(1)
+}