You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
50 lines
1.3 KiB
50 lines
1.3 KiB
package beaconchain
|
|
|
|
import (
|
|
"context"
|
|
"fmt"
|
|
proto "github.com/harmony-one/harmony/beaconchain/rpc/proto"
|
|
"log"
|
|
"time"
|
|
|
|
"google.golang.org/grpc"
|
|
)
|
|
|
|
// Client is the client model for beaconchain service.
|
|
type Client struct {
|
|
beaconChainServiceClient proto.BeaconChainServiceClient
|
|
opts []grpc.DialOption
|
|
conn *grpc.ClientConn
|
|
}
|
|
|
|
// NewClient setups a Client given ip and port.
|
|
func NewClient(ip, port string) *Client {
|
|
client := Client{}
|
|
client.opts = append(client.opts, grpc.WithInsecure())
|
|
var err error
|
|
client.conn, err = grpc.Dial(fmt.Sprintf("%s:%s", ip, port), client.opts...)
|
|
if err != nil {
|
|
log.Fatalf("fail to dial: %v", err)
|
|
return nil
|
|
}
|
|
|
|
client.beaconChainServiceClient = proto.NewBeaconChainServiceClient(client.conn)
|
|
return &client
|
|
}
|
|
|
|
// Close closes the Client.
|
|
func (client *Client) Close() {
|
|
client.conn.Close()
|
|
}
|
|
|
|
// GetLeaders gets current leaders from beacon chain
|
|
func (client *Client) GetLeaders() *proto.FetchLeadersResponse {
|
|
ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
|
|
defer cancel()
|
|
request := &proto.FetchLeadersRequest{}
|
|
response, err := client.beaconChainServiceClient.FetchLeaders(ctx, request)
|
|
if err != nil {
|
|
log.Fatalf("Error fetching leaders from beacon chain: %s", err)
|
|
}
|
|
return response
|
|
}
|
|
|