woop/utils.go

package main

import (
	"bytes"
	"encoding/binary"
	"encoding/gob"
	"log"
)

// IntToHex converts an int64 to a byte array
func IntToHex(num int64) []byte {
	buff := new(bytes.Buffer)
	err := binary.Write(buff, binary.BigEndian, num)
	if err != nil {
		log.Panic(err)
	}

	return buff.Bytes()
}

// Serialize is to serialize a block into []byte.
func (b *Block) Serialize() []byte {
	var result bytes.Buffer
	encoder := gob.NewEncoder(&result)

	err := encoder.Encode(b)

	return result.Bytes()
}

// DeserializeBlock is to deserialize []byte into a Block.
func DeserializeBlock(d []byte) *Block {
	var block Block

	decoder := gob.NewDecoder(bytes.NewReader(d))
	err := decoder.Decode(&block)

	return &block
}