Parameters

Id

bytes

REQUIRED

The unique identifier of the block

Returns

block

object

The block object with the following fields

id

string

The unique identifier of the block

parent_id

string

The ID of the parent block

height

integer

The height of the block

timestamp

object

An object containing the details of the timestamp associated with the block

seconds

integer

An integer representing the number of seconds since a specific reference point

nanos

integer

An integer representing the additional nanoseconds that complement the seconds value

collection_guarantees

array

An array of collection guarantees associated with the block

collection_id

string

The identifier of a collection guarantee

signatures

array

The list of signatures associated with the collection guarantee

reference_block_id

string

The ID of the reference block

signer_indices

string

The list of indices of signers

signatures

string

The list of signatures associated with the block

Request

1
package main
2

3
import (
4
	"context"
5
	"fmt"
6
	"log"
7

8
	"github.com/onflow/flow/protobuf/go/flow/access"
9
)
10

11
func main() {
12

13
	// Requires authenticating before making the request. Refer to Intro Page on how Authentication can be done.
14
	client, err := getAccessClientWithBasicAuth("ENDPOINT-NAME", "TOKEN_GOES_HERE")
15
	ctx := context.Background()
16
	if err != nil {
17
		log.Fatalf("err: %v", err)
18
	}
19
	// Get Latest (sealed) blockHeader
20
	headerResp, err := client.GetLatestBlockHeader(ctx, &access.GetLatestBlockHeaderRequest{IsSealed: true})
21
	if err != nil {
22
		log.Fatal("get latest block header failed: ", err)
23
	}
24

25
	// get block by ID
26
	blockResp, err := client.GetBlockByID(ctx, &access.GetBlockByIDRequest{Id: headerResp.Block.Id})
27
	if err != nil {
28
		log.Fatal("get block by ID failed: ", err)
29
	}
30
	fmt.Printf("Get Block Header by ID: %x \n", blockResp.Block.Id)
31

32
}

1
package main
2

3
import (
4
	"context"
5
	"fmt"
6
	"log"
7

8
	"github.com/onflow/flow/protobuf/go/flow/access"
9
)
10

11
func main() {
12

13
	// Requires authenticating before making the request. Refer to Intro Page on how Authentication can be done.
14
	client, err := getAccessClientWithBasicAuth("ENDPOINT-NAME", "TOKEN_GOES_HERE")
15
	ctx := context.Background()
16
	if err != nil {
17
		log.Fatalf("err: %v", err)
18
	}
19
	// Get Latest (sealed) blockHeader
20
	headerResp, err := client.GetLatestBlockHeader(ctx, &access.GetLatestBlockHeaderRequest{IsSealed: true})
21
	if err != nil {
22
		log.Fatal("get latest block header failed: ", err)
23
	}
24

25
	// get block by ID
26
	blockResp, err := client.GetBlockByID(ctx, &access.GetBlockByIDRequest{Id: headerResp.Block.Id})
27
	if err != nil {
28
		log.Fatal("get block by ID failed: ", err)
29
	}
30
	fmt.Printf("Get Block Header by ID: %x \n", blockResp.Block.Id)
31

32
}

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