// https://gist.github.com/SomniaStellarum/1753b2b469864e7ce8350cae2a4e2ab2
package main

import (
        "bytes"
	"context"
	"fmt"
	//"github.com/ethereum/go-ethereum/common/hexutil"
	"github.com/ethereum/go-ethereum/ethclient"
        //"github.com/ethereum/go-ethereum/rlp"
	"math/big"
        //"reflect"
)

var server = "http://localhost:8545"

//var blockHash = "0xac8e95f7483f7131261bcc0a70873f8236c27444c940defc677f74f281220193"

func main() {
	cl, _ := ethclient.Dial(server)
	ctx := context.Background()
	blk, _ := cl.BlockByNumber(ctx, big.NewInt(0))

        fmt.Printf("%x\n", blk.Hash())

        buf := new(bytes.Buffer)
        blk.EncodeRLP(buf)
        fmt.Printf("%x\n", buf)

        //fmt.Println(reflect.TypeOf(blk))
	//fmt.Printf("%s", blk.EncodeRLP())
}