GetBlockByLatestNum gRPC Method

Parameters

num

integer

REQUIRED

The number of latest blocks to retrieve

Returns

block

array

List of blocks

transactions

array

List of transactions in the block

transaction

object

Transaction details

raw_data

object

Raw transaction data

signature

array

Transaction signatures

ret

array

Transaction results

txid

string

Transaction ID (hash of transaction.rowdata)

constant_result

array

Results from constant function calls

result

object

Transaction result status

result

boolean

Whether the transaction was successful

code

string

Result code

message

string

Result message

energy_used

integer

Amount of energy used

logs

array

Event logs generated

address

string

Contract address that generated the log

topics

array

Indexed log topics

data

string

Log data

internal_transactions

array

Internal transactions within a smart contract

hash

string

Internal transaction hash

caller_address

string

Caller address

transferTo_address

string

Recipient address

callValueInfo

array

Value transfer information

note

string

Additional notes

rejected

boolean

Whether the transaction was rejected

extra

string

Extra information

energy_penalty

integer

Energy penalty applied

block_header

object

Header information for the block

raw_data

object

Raw header data

timestamp

integer

Block timestamp

txTrieRoot

string

Root of the transaction Merkle tree

parentHash

string

Hash of the parent block

number

integer

Block number

witness_id

integer

Witness ID

witness_address

string

Witness address

version

integer

Block version

accountStateRoot

string

Root of the account state tree

witness_signature

string

Signature of the witness

blockid

string

The block ID (hash)

Request

package main

import (
	"context"
	"crypto/tls"
	"encoding/json"
	"fmt"
	"github.com/fbsobreira/gotron-sdk/pkg/client"
	"google.golang.org/grpc"
	"google.golang.org/grpc/credentials"
	"log"
)

// QuickNode endpoints consist of two crucial components: the endpoint name and the corresponding token
// For eg: QN Endpoint: https://docs-demo.tron-mainnet.quiknode.pro/abcde123456789
// endpoint will be: docs-demo.tron-mainnet.quiknode.pro:50051  {50051 is the port number for Tron gRPC}
// token will be : abcde123456789

var token = "YOUR_TOKEN"
var endpoint = "YOUR_ENDPOINT:50051"

type auth struct {
   token string
}

func (a *auth) GetRequestMetadata(ctx context.Context, uri ...string) (map[string]string, error) {
   return map[string]string{
   	"x-token": a.token,
   }, nil
}

func (a *auth) RequireTransportSecurity() bool {
   return false
}

func main() {
	
   opts := []grpc.DialOption{
		grpc.WithTransportCredentials(credentials.NewTLS(&tls.Config{})),
		grpc.WithPerRPCCredentials(&auth{token}),
	}
	
	conn := client.NewGrpcClient(endpoint)
	if err := conn.Start(opts...); err != nil {
		panic(err)
	}
	defer conn.Conn.Close()
	
	num := int64(1)
	
	blocks, err := conn.GetBlockByLatestNum(num)
	if err != nil {
		log.Fatalf("Error getting latest block: %v", err)
	}
	
	if len(blocks.Block) == 0 {
		log.Fatalf("No blocks returned")
	}
	
	block := blocks.Block[0]
	
	resultJSON, err := json.MarshalIndent(block, "", "  ")
	if err != nil {
		log.Fatalf("Failed to marshal block: %v", err)
	}
	fmt.Println(string(resultJSON))
}

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