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51 lines
1.3 KiB
51 lines
1.3 KiB
6 years ago
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package beaconchain
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import (
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"context"
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"fmt"
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proto "github.com/harmony-one/harmony/beaconchain/rpc/proto"
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"log"
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"time"
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"google.golang.org/grpc"
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)
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// Client is the client model for beaconchain service.
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type Client struct {
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beaconChainServiceClient proto.BeaconChainServiceClient
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opts []grpc.DialOption
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conn *grpc.ClientConn
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}
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// NewClient setups a Client given ip and port.
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func NewClient(ip, port string) *Client {
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client := Client{}
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client.opts = append(client.opts, grpc.WithInsecure())
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var err error
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client.conn, err = grpc.Dial(fmt.Sprintf("%s:%s", ip, port), client.opts...)
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if err != nil {
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log.Fatalf("fail to dial: %v", err)
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return nil
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}
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client.beaconChainServiceClient = proto.NewBeaconChainServiceClient(client.conn)
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return &client
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}
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// Close closes the Client.
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func (client *Client) Close() {
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client.conn.Close()
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}
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// GetLeaders gets current leaders from beacon chain
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func (client *Client) GetLeaders() *proto.FetchLeadersResponse {
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ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
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defer cancel()
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request := &proto.FetchLeadersRequest{}
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response, err := client.beaconChainServiceClient.FetchLeaders(ctx, request)
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if err != nil {
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log.Fatalf("Error fetching leaders from beacon chain: %s", err)
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}
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return response
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}
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