getSlot gRPC Method

Please note that this RPC method requires the Yellowstone gRPC add-on enabled on your QuickNode endpoint.

Parameters

This method does not accept any parameters

Returns

slot

string

The current slot number on the Solana blockchain

Request

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package main
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import (
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	"context"
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	"crypto/tls"
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	"fmt"
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	"log"
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	"time"
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	pb "yellowstone/proto"
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	"google.golang.org/grpc"
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	"google.golang.org/grpc/credentials"
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	"google.golang.org/grpc/encoding/gzip"
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	"google.golang.org/grpc/keepalive"
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)
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// QuickNode endpoints consist of two crucial components: the endpoint name and the corresponding token
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// For eg: QN Endpoint: https://docs-demo.solana-mainnet.quiknode.pro/abcde123456789
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// endpoint will be: docs-demo.solana-mainnet.quiknode.pro:10000  {10000 is the port number for gRPC}
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// token will be : abcde123456789
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var (
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	endpoint = "YOUR_QN_ENDPOINT:10000"
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	token    = "YOUR_TOKEN_NUMBER"
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)
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func main() {
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	opts := []grpc.DialOption{
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		grpc.WithTransportCredentials(credentials.NewTLS(&tls.Config{})),
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		grpc.WithKeepaliveParams(kacp),
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		grpc.WithDefaultCallOptions(grpc.MaxCallRecvMsgSize(1024*1024*1024), grpc.UseCompressor(gzip.Name)),
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		grpc.WithPerRPCCredentials(tokenAuth{token: token}),
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	}
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	conn, err := grpc.NewClient(endpoint, opts...)
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	if err != null {
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		log.Fatalf("Failed to connect: %v", err)
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	}
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	defer conn.Close()
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	client := pb.NewGeyserClient(conn)
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    ctx, cancel := context.WithTimeout(context.Background(), 10*time.Second)
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    defer cancel()
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    getSlot, err := client.GetSlot(ctx, &pb.GetSlotRequest{})
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	if err != null {
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		log.Fatalf("Failed to get slot: %v", err)
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	}
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	fmt.Printf("  Get Slot: %+v\n", getSlot)
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}

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