Full Flow Program

flow.go

package main

import (
	"context"
	"fmt"

	"github.com/onflow/cadence"
	"github.com/onflow/flow-go-sdk"
	"github.com/onflow/flow-go-sdk/access/http"
	"github.com/onflow/flow-go-sdk/crypto"
)

var privKey = ""
var privKeyReceiver = ""
var servAccount = ""

func f() {
	ctx := context.Background()
	fmt.Println("connecting")

	flowClient, err := http.NewClient(http.TestnetHost)
	if err != nil {
		fmt.Println(err)
		return
	}

	privateKey, err := crypto.DecodePrivateKeyHex(crypto.ECDSA_P256, privKey)
	if err != nil {
		fmt.Println(err)
		return
	}

	key1 := flow.NewAccountKey().
		SetPublicKey(privateKey.PublicKey()).
		SetSigAlgo(privateKey.Algorithm()).
		SetHashAlgo(crypto.SHA3_256).
		SetWeight(flow.AccountKeyWeightThreshold)

		// get account from the latest block
	address := flow.HexToAddress("")
	acct, err := flowClient.GetAccount(ctx, address)
	if err != nil {
		fmt.Println(err)
		return
	}

	key1Signer, err := crypto.NewInMemorySigner(privateKey, key1.HashAlgo)
	if err != nil {
		fmt.Println(err)
		return
	}

	fmt.Println("Building tx")
	//examples.FundAccountInEmulator(flowClient, acct.Address, 1.0)

	block, _ := flowClient.GetLatestBlock(context.Background(), true)
	
	tx := flow.NewTransaction().SetScript([]byte(transferTx)).
		SetGasLimit(100).
		SetProposalKey(acct.Address, acct.Keys[0].Index, acct.Keys[0].SequenceNumber).
		SetReferenceBlockID(block.ID).
		SetPayer(acct.Address).
		AddAuthorizer(acct.Address)

	fmt.Println("Adding args")

  // Argumentos
	address = flow.HexToAddress("0xec8b1d4d78fb045a")
	err = tx.AddArgument(cadence.BytesToAddress(address.Bytes()))
	if err != nil {
		fmt.Println(err)
		return
	}

	err = tx.AddArgument(cadence.NewUInt64(5))
	if err != nil {
		fmt.Println(err)
		return
	}

	// err = tx.AddArgument(cadence.String("Title Test"))
	// if err != nil {
	// 	fmt.Println(err)
	// 	return
	// }

	// err = tx.AddArgument(cadence.String("Desc"))
	// if err != nil {
	// 	fmt.Println(err)
	// 	return
	// }

	// err = tx.AddArgument(cadence.String("thumbnail"))
	// if err != nil {
	// 	fmt.Println(err)
	// 	return
	// }

	fmt.Println("Signing")

	err = tx.SignEnvelope(acct.Address, acct.Keys[0].Index, key1Signer)
	if err != nil {
		fmt.Println(err)
		return
	}

	err = flowClient.SendTransaction(ctx, *tx)
	if err != nil {
		fmt.Println(err)
		return
	}

	fmt.Println("ID: " + tx.ID().String())
}