18_1_blockinfo.go

package main

import (
	"log"
	"fmt"
	"github.com/btcsuite/btcd/rpcclient"
)

func main() {
	connCfg := &rpcclient.ConnConfig{
		Host:         "localhost:18332",
		User:         "StandUp",
		Pass:         "6305f1b2dbb3bc5a16cd0f4aac7e1eba",
		HTTPPostMode: true,
		DisableTLS:   true,
	}
	client, err := rpcclient.New(connCfg, nil)
	if err != nil {
		log.Fatal(err)
	}
	defer client.Shutdown()

	blockCount, err := client.GetBlockCount()
	if err != nil {
		log.Fatal(err)
	}
	blockHash, err := client.GetBlockHash(blockCount)
	if err != nil {
		log.Fatal(err)
	}

	fmt.Printf("%d\n", blockCount)
	fmt.Printf("%s\n", blockHash.String())
}