ExchangeWithdraw gRPC Method

Parameters

from

string

REQUIRED

exchangeID

integer

REQUIRED

tokenID

string

REQUIRED

amountToken

integer

REQUIRED

Returns

transaction

object

raw_data

object

ref_block_bytes

string

ref_block_num

integer

ref_block_hash

string

expiration

integer

auths

array

data

string

contract

array

type

string

parameter

object

value

string

type_url

string

provider

string

ContractName

string

Permission_id

integer

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

exchange_received_amount

integer

exchange_inject_another_amount

integer

exchange_withdraw_another_amount

integer

exchange_id

integer

shielded_transaction_fee

integer

orderId

string

orderDetails

array

makerOrderId

string

takerOrderId

string

fillSellQuantity

integer

fillBuyQuantity

integer

withdraw_expire_amount

integer

cancelUnfreezeV2Amount

object

txid

string

constant_result

array

result

object

result

boolean

code

string

message

string

energy_used

integer

logs

array

address

string

topics

array

data

string

internal_transactions

array

hash

string

caller_address

string

transferTo_address

string

callValueInfo

array

callValue

integer

tokenId

string

note

string

rejected

boolean

extra

string

energy_penalty

integer

Request

1
package main
2

3
import (
4
   "context"
5
   "crypto/tls"
6
   "encoding/json"
7
   "fmt"
8
   "github.com/fbsobreira/gotron-sdk/pkg/client"
9
   "google.golang.org/grpc"
10
   "google.golang.org/grpc/credentials"
11
)
12

13
// Quicknode endpoints consist of two crucial components: the endpoint name and the corresponding token
14
// For eg: QN Endpoint: https://docs-demo.tron-mainnet.quiknode.pro/abcde123456789
15
// endpoint will be: docs-demo.tron-mainnet.quiknode.pro:50051  {50051 is the port number for Tron gRPC}
16
// token will be : abcde123456789
17

18
var token = "YOUR_TOKEN"
19
var endpoint = "YOUR_ENDPOINT:50051"
20

21
type auth struct {
22
   token string
23
}
24

25
func (a *auth) GetRequestMetadata(ctx context.Context, uri ...string) (map[string]string, error) {
26
   return map[string]string{
27
      "x-token": a.token,
28
   }, nil
29
}
30

31
func (a *auth) RequireTransportSecurity() bool {
32
   return false
33
}
34

35
func main() {
36

37
   opts := []grpc.DialOption{
38
      grpc.WithTransportCredentials(credentials.NewTLS(&tls.Config{})),
39
      grpc.WithPerRPCCredentials(&auth{token}),
40
   }
41
   conn := client.NewGrpcClient(endpoint)
42
   if err := conn.Start(opts...); err != nil {
43
      panic(err)
44
   }
45
   defer conn.Conn.Close()
46

47
   from := "TZ4UXDV5ZhNW7fb2AMSbgfAEZ7hWsnYS2g"
48
   exchangeID := int64(123)                             
49
   
50
   fmt.Printf("Verifying exchange ID %d...\n", exchangeID)
51
   exchange, err := conn.ExchangeByID(exchangeID)
52
   if err != nil {
53
      fmt.Printf("Error: The specified exchange does not exist: %v\n", err)
54
      return
55
   }
56
   
57
   creatorAddress := string(exchange.CreatorAddress)
58
   fmt.Printf("Exchange creator: %s\n", creatorAddress)
59
   if creatorAddress != from {
60
      fmt.Printf("Error: Only the exchange creator (%s) can withdraw liquidity\n", creatorAddress)
61
      return
62
   }
63
   
64
   firstTokenID := string(exchange.FirstTokenId)
65
   secondTokenID := string(exchange.SecondTokenId)
66
   fmt.Printf("Exchange %d contains tokens: %s and %s\n", 
67
      exchangeID, firstTokenID, secondTokenID)
68
   fmt.Printf("Current liquidity: %d %s and %d %s\n",
69
      exchange.FirstTokenBalance, firstTokenID,
70
      exchange.SecondTokenBalance, secondTokenID)
71
   
72
   tokenID := firstTokenID
73
   amountToken := int64(1000000)
74
   
75
   if tokenID != firstTokenID && tokenID != secondTokenID {
76
      fmt.Printf("Error: Token %s is not in exchange %d\n", tokenID, exchangeID)
77
      return
78
   }
79
   
80
   var availableAmount int64
81
   if tokenID == firstTokenID {
82
      availableAmount = exchange.FirstTokenBalance
83
   } else {
84
      availableAmount = exchange.SecondTokenBalance
85
   }
86
   
87
   if amountToken > availableAmount {
88
      fmt.Printf("Error: Insufficient liquidity. Requested: %d, Available: %d\n", 
89
         amountToken, availableAmount)
90
      return
91
   }
92
   
93
   var otherTokenAmount int64
94
   if tokenID == firstTokenID {
95
      otherTokenAmount = amountToken * exchange.SecondTokenBalance / exchange.FirstTokenBalance
96
      fmt.Printf("Withdrawing %d %s will also withdraw approximately %d %s\n", 
97
         amountToken, firstTokenID, otherTokenAmount, secondTokenID)
98
   } else {
99
      otherTokenAmount = amountToken * exchange.FirstTokenBalance / exchange.SecondTokenBalance
100
      fmt.Printf("Withdrawing %d %s will also withdraw approximately %d %s\n", 
101
         amountToken, secondTokenID, otherTokenAmount, firstTokenID)
102
   }
103
   
104
   fmt.Println("Creating exchange withdrawal transaction...")
105
   
106
   tx, err := conn.ExchangeWithdraw(
107
      from,           // The address withdrawing liquidity (must be exchange creator)
108
      exchangeID,     // Exchange ID
109
      tokenID,        // Token ID to withdraw
110
      amountToken,    // Amount to withdraw
111
   )
112
   
113
   if err != nil {
114
      fmt.Printf("Error creating withdrawal transaction: %v\n", err)
115
      return
116
   }
117
   
118
   fmt.Println("Withdrawal transaction created successfully. Transaction details:")
119
   jsonData, _ := json.MarshalIndent(tx, "", "  ")
120
   fmt.Println(string(jsonData))
121
   
122
   // NOTE: In a production environment, the transaction should be signed here
123
   fmt.Println("\nBroadcasting transaction to the TRON network...")
124
   result, err := conn.Broadcast(tx.Transaction)
125
   if err != nil {
126
      fmt.Printf("Error broadcasting transaction: %v\n", err)
127
      return
128
   }
129
   
130
   if !result.GetResult() {
131
      fmt.Printf("Broadcast failed: %s\n", result.GetMessage())
132
      return
133
   }
134
   
135
   fmt.Println("Liquidity withdrawal executed successfully! Result:")
136
   resultJSON, _ := json.MarshalIndent(result, "", "  ")
137
   fmt.Println(string(resultJSON))
138
}

1
package main
2

3
import (
4
   "context"
5
   "crypto/tls"
6
   "encoding/json"
7
   "fmt"
8
   "github.com/fbsobreira/gotron-sdk/pkg/client"
9
   "google.golang.org/grpc"
10
   "google.golang.org/grpc/credentials"
11
)
12

13
// Quicknode endpoints consist of two crucial components: the endpoint name and the corresponding token
14
// For eg: QN Endpoint: https://docs-demo.tron-mainnet.quiknode.pro/abcde123456789
15
// endpoint will be: docs-demo.tron-mainnet.quiknode.pro:50051  {50051 is the port number for Tron gRPC}
16
// token will be : abcde123456789
17

18
var token = "YOUR_TOKEN"
19
var endpoint = "YOUR_ENDPOINT:50051"
20

21
type auth struct {
22
   token string
23
}
24

25
func (a *auth) GetRequestMetadata(ctx context.Context, uri ...string) (map[string]string, error) {
26
   return map[string]string{
27
      "x-token": a.token,
28
   }, nil
29
}
30

31
func (a *auth) RequireTransportSecurity() bool {
32
   return false
33
}
34

35
func main() {
36

37
   opts := []grpc.DialOption{
38
      grpc.WithTransportCredentials(credentials.NewTLS(&tls.Config{})),
39
      grpc.WithPerRPCCredentials(&auth{token}),
40
   }
41
   conn := client.NewGrpcClient(endpoint)
42
   if err := conn.Start(opts...); err != nil {
43
      panic(err)
44
   }
45
   defer conn.Conn.Close()
46

47
   from := "TZ4UXDV5ZhNW7fb2AMSbgfAEZ7hWsnYS2g"
48
   exchangeID := int64(123)                             
49
   
50
   fmt.Printf("Verifying exchange ID %d...\n", exchangeID)
51
   exchange, err := conn.ExchangeByID(exchangeID)
52
   if err != nil {
53
      fmt.Printf("Error: The specified exchange does not exist: %v\n", err)
54
      return
55
   }
56
   
57
   creatorAddress := string(exchange.CreatorAddress)
58
   fmt.Printf("Exchange creator: %s\n", creatorAddress)
59
   if creatorAddress != from {
60
      fmt.Printf("Error: Only the exchange creator (%s) can withdraw liquidity\n", creatorAddress)
61
      return
62
   }
63
   
64
   firstTokenID := string(exchange.FirstTokenId)
65
   secondTokenID := string(exchange.SecondTokenId)
66
   fmt.Printf("Exchange %d contains tokens: %s and %s\n", 
67
      exchangeID, firstTokenID, secondTokenID)
68
   fmt.Printf("Current liquidity: %d %s and %d %s\n",
69
      exchange.FirstTokenBalance, firstTokenID,
70
      exchange.SecondTokenBalance, secondTokenID)
71
   
72
   tokenID := firstTokenID
73
   amountToken := int64(1000000)
74
   
75
   if tokenID != firstTokenID && tokenID != secondTokenID {
76
      fmt.Printf("Error: Token %s is not in exchange %d\n", tokenID, exchangeID)
77
      return
78
   }
79
   
80
   var availableAmount int64
81
   if tokenID == firstTokenID {
82
      availableAmount = exchange.FirstTokenBalance
83
   } else {
84
      availableAmount = exchange.SecondTokenBalance
85
   }
86
   
87
   if amountToken > availableAmount {
88
      fmt.Printf("Error: Insufficient liquidity. Requested: %d, Available: %d\n", 
89
         amountToken, availableAmount)
90
      return
91
   }
92
   
93
   var otherTokenAmount int64
94
   if tokenID == firstTokenID {
95
      otherTokenAmount = amountToken * exchange.SecondTokenBalance / exchange.FirstTokenBalance
96
      fmt.Printf("Withdrawing %d %s will also withdraw approximately %d %s\n", 
97
         amountToken, firstTokenID, otherTokenAmount, secondTokenID)
98
   } else {
99
      otherTokenAmount = amountToken * exchange.FirstTokenBalance / exchange.SecondTokenBalance
100
      fmt.Printf("Withdrawing %d %s will also withdraw approximately %d %s\n", 
101
         amountToken, secondTokenID, otherTokenAmount, firstTokenID)
102
   }
103
   
104
   fmt.Println("Creating exchange withdrawal transaction...")
105
   
106
   tx, err := conn.ExchangeWithdraw(
107
      from,           // The address withdrawing liquidity (must be exchange creator)
108
      exchangeID,     // Exchange ID
109
      tokenID,        // Token ID to withdraw
110
      amountToken,    // Amount to withdraw
111
   )
112
   
113
   if err != nil {
114
      fmt.Printf("Error creating withdrawal transaction: %v\n", err)
115
      return
116
   }
117
   
118
   fmt.Println("Withdrawal transaction created successfully. Transaction details:")
119
   jsonData, _ := json.MarshalIndent(tx, "", "  ")
120
   fmt.Println(string(jsonData))
121
   
122
   // NOTE: In a production environment, the transaction should be signed here
123
   fmt.Println("\nBroadcasting transaction to the TRON network...")
124
   result, err := conn.Broadcast(tx.Transaction)
125
   if err != nil {
126
      fmt.Printf("Error broadcasting transaction: %v\n", err)
127
      return
128
   }
129
   
130
   if !result.GetResult() {
131
      fmt.Printf("Broadcast failed: %s\n", result.GetMessage())
132
      return
133
   }
134
   
135
   fmt.Println("Liquidity withdrawal executed successfully! Result:")
136
   resultJSON, _ := json.MarshalIndent(result, "", "  ")
137
   fmt.Println(string(resultJSON))
138
}

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ExchangeWithdraw gRPC Method

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Parameters

Returns