package main

import (
  "encoding/hex"
  "fmt"
  
  "github.com/ava-labs/avalanchego/utils/crypto"
)

func main() {
  // Hexadecimal private key
  privateKeyHex := "eeac0e3d8f0fcc32a553cc5ab8dad48a435bb4c047d95b06eb7a29a4a823e87c"

  // Parse the private key
  privateKeyBytes, _ := hex.DecodeString(privateKeyHex)

  // Create a new private key object from the parsed bytes
  // factory := &FactorySECP256K1R{}
  factory := &crypto.FactorySECP256K1R{}
  privateKey, err := factory.ToPrivateKey(privateKeyBytes)
  if err != nil {
    panic(err)
  }

  // Print the private key in hex format
  fmt.Printf("Private key: %x\n", privateKeyBytes)

  // Derive the public key from the private key
  publicKey := privateKey.PublicKey()

  // Print the public key in hex format
  fmt.Printf("Public key: %x\n", publicKey.Bytes())

  // Sign a message using the private key
  message := []byte("avalanchesignature")
  signature, err := privateKey.Sign(message)
  if err != nil {
    panic(err)
  }

  // Parse the signature
 // r, s, v, err := parseSignature(signature)
 // if err != nil {
 //   panic(err)
 // }

  // Print the signature and its components
  fmt.Printf("Signature: %x\n", signature)
//  fmt.Printf("r: %d\n", r)
//  fmt.Printf("s: %x\n", s)
//  fmt.Printf("v: %d\n", v)
}