op.go

package main

import (
	"fmt"
	"github.com/stellar/go/build"
	"github.com/stellar/go/clients/horizon"
	"github.com/stellar/go/keypair"
	"net/http"
)

func main() {
	fmt.Println("Hello world")

	masterAccountKeypair, _ := keypair.Random()

	{

		url := fmt.Sprintf("https://friendbot.stellar.org?addr=%s", masterAccountKeypair.Address())
		resp, err := http.Get(url)
		if err != nil {
			panic(err)
		}
		if resp.StatusCode == http.StatusOK {
			fmt.Printf("Account has been created ! %s ", masterAccountKeypair.Address())
		}

	}

	lisaWalletKeypair, _ := keypair.Random()
	//jennieWalletKeypair, _ := keypair.Random()

	tx, err := build.Transaction(
		build.SourceAccount{
			AddressOrSeed: masterAccountKeypair.Address(),
		},
		build.TestNetwork,
		build.AutoSequence{
			SequenceProvider: horizon.DefaultTestNetClient,
		},

		// Operation
		build.CreateAccount(
			build.Destination{
				AddressOrSeed: lisaWalletKeypair.Address(),
			},
			build.NativeAmount{
				Amount: "50",
			},
		),
	)
	if err != nil {
		panic(err)
	}

	txe, err := tx.Sign(masterAccountKeypair.Seed())
	if err != nil {
		panic(err)
	}
	txe64, err := txe.Base64()
	fmt.Println(txe64)

	resp, err := horizon.DefaultTestNetClient.SubmitTransaction(txe64)

	if err != nil {
		panic(err)
	}
	fmt.Printf("Tx hash: %s\n", resp.Hash)

}