GetLatestBlock Access API Method

Parameters

IsSealed

boolean

REQUIRED

A boolean flag indicating whether to retrieve the latest sealed or unsealed block

Returns

block

object

An object representing the details of the block, containing the following properties:

id

string

The ID of the block

parent_id

string

The ID of the parent block

height

integer

The height of the block

timestamp

object

The details of the timestamp, containing the following properties:

seconds

integer

The number of seconds in the timestamp

nanos

integer

The number of nanoseconds in the timestamp

collection_guarantees

array

A list of collection guarantees, where each guarantee has the following properties:

collection_id

string

The ID of the collection

signatures

array

A list of string values representing the signatures

reference_block_id

string

The ID of the reference block

signer_indices

array

A list of string values representing the signer indices

signatures

array

A list of string values representing the signatures

Request

package main

import (
	"context"
	"fmt"
	"log"

	"github.com/onflow/flow/protobuf/go/flow/access"
)

func main() {

	// Requires authenticating before making the request. Refer to Intro Page on how Authentication can be done.
	client, err := getAccessClientWithBasicAuth("ENDPOINT-NAME", "TOKEN_GOES_HERE")
	ctx := context.Background()
	if err != nil {
		log.Fatalf("err: %v", err)
	}

	// Get Latest (sealed) block
	latestResp, err := client.GetLatestBlock(ctx, &access.GetLatestBlockRequest{IsSealed: true})
	if err != nil {
		log.Fatal("get latest block failed: ", err)
	}
	fmt.Println("Latest Block Height: ", latestResp.Block.Height)
}

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