Support gateway version config, upgrade to 8

cmd/root.go

@@ -91,6 +91,7 @@ func Run() {
 				Intents:  int(conf.RawIntents),
 				Presence: &conf.Presence,
 			},
+			Version: conf.GatewayVersion,
 		},
 		REST:       rest.NewClient(conf.Token),
 		LogLevel:   logLevel,

config/config.go

@@ -24,11 +24,12 @@ func (d *duration) UnmarshalText(text []byte) (err error) {
 
 // Config represents configuration structure for the gateway
 type Config struct {
-	Token      string
-	Events     []string
-	Intents    []string
-	RawIntents uint
-	Shards     struct {
+	Token          string
+	Events         []string
+	Intents        []string
+	RawIntents     uint
+	GatewayVersion uint `toml:"gateway_version"`
+	Shards         struct {
 		Count int
 		IDs   []int
 	}
@@ -150,6 +151,14 @@ func (c *Config) LoadEnv() {
 		}
 	}
 
+	v = os.Getenv("DISCORD_GATEWAY_VERSION")
+	if v != "" {
+		i, err := strconv.ParseUint(v, 10, 32)
+		if err != nil {
+			c.GatewayVersion = uint(i)
+		}
+	}
+
 	v = os.Getenv("DISCORD_SHARD_COUNT")
 	if v != "" {
 		i, err := strconv.ParseUint(v, 10, 32)

gateway/api.go

@@ -8,7 +8,7 @@ import (
 )
 
 // DefaultVersion represents the default Gateway version
-const DefaultVersion = "7"
+const DefaultVersion uint = 8
 
 // Endpoints used for the Gateway
 const (

gateway/shard.go

@@ -409,7 +409,7 @@ func (s *Shard) startHeartbeater(interval time.Duration, stop <-chan struct{}) {
 // gatewayURL returns the Gateway URL with appropriate query parameters
 func (s *Shard) gatewayURL() string {
 	query := url.Values{
-		"v":        {s.opts.Version},
+		"v":        {strconv.FormatUint(uint64(s.opts.Version), 10)},
 		"encoding": {"json"},
 		"compress": {"zstd-stream"},
 	}

gateway/shard_options.go

@@ -18,7 +18,7 @@ type Retryer interface {
 // ShardOptions represents NewShard's options
 type ShardOptions struct {
 	Identify *types.Identify
-	Version  string
+	Version  uint
 	Retryer  Retryer
 	Store    ShardStore
 
@@ -31,7 +31,7 @@ type ShardOptions struct {
 }
 
 func (opts *ShardOptions) init() {
-	if opts.Version == "" {
+	if opts.Version == 0 {
 		opts.Version = DefaultVersion
 	}