Broadcast gRPC Method

Parameters

object

REQUIRED

raw_data

object

ref_block_bytes

string

ref_block_num

integer

ref_block_hash

string

expiration

integer

auths

array

data

string

contract

array

scripts

string

timestamp

integer

fee_limit

integer

signature

array

ret

array

fee

integer

ret

string

contractRet

string

assetIssueID

string

withdraw_amount

integer

unfreeze_amount

integer

exchangeReceivedAmount

integer

exchangeInjectAnotherAmount

integer

exchangeWithdrawAnotherAmount

integer

exchange_id

integer

shieldedTransactionFee

integer

orderId

string

orderDetails

array

makerOrderId

string

takerOrderId

string

fillSellQuantity

integer

fillBuyQuantity

integer

withdraw_expire_amount

integer

cancelUnfreezeV2Amount

object

Returns

result

boolean

code

string

SUCCESS

integer

SIGERROR

integer

CONTRACT_VALIDATE_ERROR

integer

CONTRACT_EXE_ERROR

integer

BANDWITH_ERROR

integer

DUP_TRANSACTION_ERROR

integer

TAPOS_ERROR

integer

TOO_BIG_TRANSACTION_ERROR

integer

TRANSACTION_EXPIRATION_ERROR

integer

SERVER_BUSY

integer

NO_CONNECTION

integer

NOT_ENOUGH_EFFECTIVE_CONNECTION

integer

BLOCK_UNSOLIDIFIED

integer

OTHER_ERROR

integer

message

string

Request

1
package main
2

3
import (
4
	"context"
5
	"crypto/sha256"
6
	"crypto/tls"
7
	"encoding/hex"
8
	"fmt"
9
	"encoding/json"
10
	"github.com/fbsobreira/gotron-sdk/pkg/client"
11
	"github.com/btcsuite/btcd/btcec/v2"
12
	"github.com/ethereum/go-ethereum/crypto"
13
	"google.golang.org/grpc"
14
	"google.golang.org/grpc/credentials"
15
	"google.golang.org/protobuf/proto"
16
)
17

18
// Quicknode endpoints consist of two crucial components: the endpoint name and the corresponding token
19
// For eg: QN Endpoint: https://docs-demo.tron-mainnet.quiknode.pro/abcde123456789
20
// endpoint will be: docs-demo.tron-mainnet.quiknode.pro:50051  {50051 is the port number for Tron gRPC}
21
// token will be : abcde123456789
22

23
var token = "YOUR_TOKEN"
24
var endpoint = "YOUR_ENDPOINT:50051"
25

26
type auth struct {
27
	token string
28
}
29

30
func (a *auth) GetRequestMetadata(ctx context.Context, uri ...string) (map[string]string, error) {
31
	return map[string]string{
32
		"x-token": a.token,
33
	}, nil
34
}
35

36
func (a *auth) RequireTransportSecurity() bool {
37
	return false
38
}
39

40
func main() {
41

42
	opts := []grpc.DialOption{
43
		grpc.WithTransportCredentials(credentials.NewTLS(&tls.Config{})),
44
		grpc.WithPerRPCCredentials(&auth{token}),
45
	}
46
	conn := client.NewGrpcClient(endpoint)
47
	if err := conn.Start(opts...); err != nil {
48
		panic(err)
49
	}
50
	defer conn.Conn.Close()
51

52
	fromAddress := "YOUR_ADDRESS"
53
	toAddress := "RECIPIENT_ADDRESS"
54
	amount := int64(1000000)
55
	privateKeyHex := "YOUR_PRIVATE_KEY"
56
	
57
	tx, err := conn.Transfer(
58
		fromAddress,
59
		toAddress,
60
		amount,
61
	)
62
	if err != nil {
63
		fmt.Printf("Error creating transfer transaction: %v\n", err)
64
		return
65
	}
66
	
67
	fmt.Println("Transfer Transaction Created:")
68
	jsonData, err := json.MarshalIndent(tx, "", "  ")
69
	if err != nil {
70
		fmt.Printf("Error marshaling to JSON: %v\n", err)
71
		return
72
	}
73
	fmt.Println(string(jsonData))
74
	
75
	// Sign the transaction
76
	privateKeyBytes, err := hex.DecodeString(privateKeyHex)
77
	if err != nil {
78
		fmt.Printf("Error decoding private key: %v\n", err)
79
		return
80
	}
81
	
82
	// Get the raw data from the transaction and hash it
83
	rawData, err := proto.Marshal(tx.Transaction.GetRawData())
84
	if err != nil {
85
		fmt.Printf("Error marshaling raw data: %v\n", err)
86
		return
87
	}
88
	
89
	// Create SHA256 hash of the raw data
90
	h256h := sha256.New()
91
	h256h.Write(rawData)
92
	hash := h256h.Sum(nil)
93
	
94
	// Sign the hash with the private key
95
	sk, _ := btcec.PrivKeyFromBytes(privateKeyBytes)
96
	signature, err := crypto.Sign(hash, sk.ToECDSA())
97
	if err != nil {
98
		fmt.Printf("Error signing transaction: %v\n", err)
99
		return
100
	}
101
	
102
	// Add the signature to the transaction
103
	tx.Transaction.Signature = append(tx.Transaction.Signature, signature)
104
	
105
	// Broadcast the signed transaction
106
	result, err := conn.Broadcast(tx.Transaction)
107
	if err != nil {
108
		fmt.Printf("Error broadcasting transaction: %v\n", err)
109
		return
110
	}
111
	
112
	// Print the broadcast result
113
	fmt.Println("Broadcast Result:")
114
	resultJSON, err := json.MarshalIndent(result, "", "  ")
115
	if err != nil {
116
		fmt.Printf("Error marshaling result to JSON: %v\n", err)
117
		return
118
	}
119
	fmt.Println(string(resultJSON))
120
}

1
package main
2

3
import (
4
	"context"
5
	"crypto/sha256"
6
	"crypto/tls"
7
	"encoding/hex"
8
	"fmt"
9
	"encoding/json"
10
	"github.com/fbsobreira/gotron-sdk/pkg/client"
11
	"github.com/btcsuite/btcd/btcec/v2"
12
	"github.com/ethereum/go-ethereum/crypto"
13
	"google.golang.org/grpc"
14
	"google.golang.org/grpc/credentials"
15
	"google.golang.org/protobuf/proto"
16
)
17

18
// Quicknode endpoints consist of two crucial components: the endpoint name and the corresponding token
19
// For eg: QN Endpoint: https://docs-demo.tron-mainnet.quiknode.pro/abcde123456789
20
// endpoint will be: docs-demo.tron-mainnet.quiknode.pro:50051  {50051 is the port number for Tron gRPC}
21
// token will be : abcde123456789
22

23
var token = "YOUR_TOKEN"
24
var endpoint = "YOUR_ENDPOINT:50051"
25

26
type auth struct {
27
	token string
28
}
29

30
func (a *auth) GetRequestMetadata(ctx context.Context, uri ...string) (map[string]string, error) {
31
	return map[string]string{
32
		"x-token": a.token,
33
	}, nil
34
}
35

36
func (a *auth) RequireTransportSecurity() bool {
37
	return false
38
}
39

40
func main() {
41

42
	opts := []grpc.DialOption{
43
		grpc.WithTransportCredentials(credentials.NewTLS(&tls.Config{})),
44
		grpc.WithPerRPCCredentials(&auth{token}),
45
	}
46
	conn := client.NewGrpcClient(endpoint)
47
	if err := conn.Start(opts...); err != nil {
48
		panic(err)
49
	}
50
	defer conn.Conn.Close()
51

52
	fromAddress := "YOUR_ADDRESS"
53
	toAddress := "RECIPIENT_ADDRESS"
54
	amount := int64(1000000)
55
	privateKeyHex := "YOUR_PRIVATE_KEY"
56
	
57
	tx, err := conn.Transfer(
58
		fromAddress,
59
		toAddress,
60
		amount,
61
	)
62
	if err != nil {
63
		fmt.Printf("Error creating transfer transaction: %v\n", err)
64
		return
65
	}
66
	
67
	fmt.Println("Transfer Transaction Created:")
68
	jsonData, err := json.MarshalIndent(tx, "", "  ")
69
	if err != nil {
70
		fmt.Printf("Error marshaling to JSON: %v\n", err)
71
		return
72
	}
73
	fmt.Println(string(jsonData))
74
	
75
	// Sign the transaction
76
	privateKeyBytes, err := hex.DecodeString(privateKeyHex)
77
	if err != nil {
78
		fmt.Printf("Error decoding private key: %v\n", err)
79
		return
80
	}
81
	
82
	// Get the raw data from the transaction and hash it
83
	rawData, err := proto.Marshal(tx.Transaction.GetRawData())
84
	if err != nil {
85
		fmt.Printf("Error marshaling raw data: %v\n", err)
86
		return
87
	}
88
	
89
	// Create SHA256 hash of the raw data
90
	h256h := sha256.New()
91
	h256h.Write(rawData)
92
	hash := h256h.Sum(nil)
93
	
94
	// Sign the hash with the private key
95
	sk, _ := btcec.PrivKeyFromBytes(privateKeyBytes)
96
	signature, err := crypto.Sign(hash, sk.ToECDSA())
97
	if err != nil {
98
		fmt.Printf("Error signing transaction: %v\n", err)
99
		return
100
	}
101
	
102
	// Add the signature to the transaction
103
	tx.Transaction.Signature = append(tx.Transaction.Signature, signature)
104
	
105
	// Broadcast the signed transaction
106
	result, err := conn.Broadcast(tx.Transaction)
107
	if err != nil {
108
		fmt.Printf("Error broadcasting transaction: %v\n", err)
109
		return
110
	}
111
	
112
	// Print the broadcast result
113
	fmt.Println("Broadcast Result:")
114
	resultJSON, err := json.MarshalIndent(result, "", "  ")
115
	if err != nil {
116
		fmt.Printf("Error marshaling result to JSON: %v\n", err)
117
		return
118
	}
119
	fmt.Println(string(resultJSON))
120
}

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Broadcast gRPC Method

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Parameters

Returns