example.go

package main

import (
	"fmt"
	"os"

	key "github.com/ipfs/go-ipfs/blocks/key"
	core "github.com/ipfs/go-ipfs/core"
	fsrepo "github.com/ipfs/go-ipfs/repo/fsrepo"

	"golang.org/x/net/context"
)

func main() {
	if len(os.Args) < 2 {
		fmt.Println("Please give an ipfs hash as an argument")
		return
	}

	objkey := key.B58KeyDecode(os.Args[1])
	if objkey == "" {
		fmt.Println("incorrectly formatted key")
		return
	}

	// Basic ipfsnode setup
	r, err := fsrepo.Open("~/.ipfs")
	if err != nil {
		panic(err)
	}

	ctx, cancel := context.WithCancel(context.Background())
	defer cancel()

	cfg := &core.BuildCfg{
		Repo:   r,
		Online: true,
	}

	nd, err := core.NewNode(ctx, cfg)
	if err != nil {
		panic(err)
	}

	objnode, err := nd.DAG.Get(ctx, objkey)
	if err != nil {
		panic(err)
	}

	fmt.Println("got an object!")
	fmt.Println("its links: ", objnode.Links)
	fmt.Println("its data: ", objnode.Data)
}