### 請求示例
```go
package main
import (
"context"
"crypto/tls"
"log"
// directory of the generated code using the provided proto file
pb "fee-test/bscfeepb"
"google.golang.org/grpc"
"google.golang.org/grpc/credentials"
)
const (
gRPCEndpoint = "grpc.bsc-fee.blockrazor.xyz:443" // endpoint address
auth = "your_auth" // auth to be verified
)
func main() {
// open gRPC connection to endpoint
conn, err := grpc.Dial(
gRPCEndpoint,
grpc.WithTransportCredentials(credentials.NewTLS(&tls.Config{})),
grpc.WithPerRPCCredentials(&Authentication{auth}),
)
if err != nil {
panic(err)
}
defer conn.Close()
// create the gRPC client
client := pb.NewServerClient(conn)
// send gRPC request
req := &pb.TransactionFee{
Percentile: 95,
BlockRange: 10,
}
stream, err := client.GetGasPriceStream(context.Background(), req)
if err != nil {
panic(err)
}
for {
message, err := stream.Recv()
if err != nil {
log.Printf("Failed to receive message: %v", err)
break
}
log.Printf("Received message: %s\n", message.Time.AsTime().Format("2006-01-02 15:04:05"))
log.Printf("Received GasPrice: %v\n", message.GasPrice.Percentile)
log.Printf("Received GasPrice: %v\n", message.GasPrice.Value)
}
}
type Authentication struct {
auth string
}
func (a *Authentication) GetRequestMetadata(context.Context, ...string) (map[string]string, error) {
return map[string]string{"apiKey": a.auth}, nil
}
func (a *Authentication) RequireTransportSecurity() bool {
return false
}
```
### Proto
```json
syntax = "proto3";
package bscfeepb;
import "google/protobuf/timestamp.proto";
option go_package = "./pb/bscfeepb";
service Server {
rpc GetGasPriceStream(TransactionFee) returns(stream TransactionFeeStreamResponse) {};
}
message TransactionFee {
int32 percentile = 1;
int32 blockRange = 2;
}
message FeeValue {
int32 percentile = 1;
string value = 2;
}
message TransactionFeeStreamResponse {
FeeValue gasPrice = 1;
google.protobuf.Timestamp time = 2;
}
```
### 返回示例
```json
2025/03/26 10:25:42 Received message: 2025-03-26 02:25:42
2025/03/26 10:25:42 Received GasPrice: 95
2025/03/26 10:25:42 Received GasPrice: 1000000000 // 对应分位的gas price，单位为wei
2025/03/26 10:25:45 Received message: 2025-03-26 02:25:45
2025/03/26 10:25:45 Received GasPrice: 95
2025/03/26 10:25:45 Received GasPrice: 1000000000
```
---
# Agent Instructions: Querying This Documentation
If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.
Perform an HTTP GET request on the current page URL with the `ask` query parameter:
```
GET https://docs.blockrazor.io/tc/streams/network-fee-stream/bsc/getgaspricestream.md?ask=
```
The question should be specific, self-contained, and written in natural language.
The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.
Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.