P2P: Add QUIC support (#13786)

* (Unrelated) DoppelGanger: Improve message.

* `beacon-blocks-by-range`: Add `--network` option.

* `ensurePeerConnections`: Remove capital letter in error message.

* `MultiAddressBuilder{WithID}`: Refactor.

* `buildOptions`: Improve log.

* `NewService`: Bubbles up errors.

* `tcp` ==> `libp2ptcp`

* `multiAddressBuilderWithID`: Add the ability to build QUIC multiaddr

* `p2p Start`: Fix error message.

* `p2p`: Add QUIC support.

* Status: Implement `{Inbound,Outbound}Connected{TCP,QUIC}`.

* Logging: Display the number of TCP/QUIC connected peers.

* P2P: Implement `{Inbound,Outbound}ConnectedWithProtocol`.

* Hide QUIC protocol behind the `--enable-quic` feature flag.

* `e2e`: Add `--enable-quic` flag.

* Add `--enable-quic` in `devModeFlag`.

* `convertToMultiAddrs` ==> `retrieveMultiAddrsFromNode`.

* `convertToAddrInfo`: Ensure `len(infos) == 1`.

config/features/config.go

@@ -42,6 +42,7 @@ type Flags struct {
 	WriteSSZStateTransitions            bool // WriteSSZStateTransitions to tmp directory.
 	EnablePeerScorer                    bool // EnablePeerScorer enables experimental peer scoring in p2p.
 	EnableLightClient                   bool // EnableLightClient enables light client APIs.
+	EnableQUIC                          bool // EnableQUIC specifies whether to enable QUIC transport for libp2p.
 	WriteWalletPasswordOnWebOnboarding  bool // WriteWalletPasswordOnWebOnboarding writes the password to disk after Prysm web signup.
 	EnableDoppelGanger                  bool // EnableDoppelGanger enables doppelganger protection on startup for the validator.
 	EnableHistoricalSpaceRepresentation bool // EnableHistoricalSpaceRepresentation enables the saving of registry validators in separate buckets to save space
@@ -254,6 +255,10 @@ func ConfigureBeaconChain(ctx *cli.Context) error {
 		logEnabled(BlobSaveFsync)
 		cfg.BlobSaveFsync = true
 	}
+	if ctx.IsSet(EnableQUIC.Name) {
+		logEnabled(EnableQUIC)
+		cfg.EnableQUIC = true
+	}
 
 	cfg.AggregateIntervals = [3]time.Duration{aggregateFirstInterval.Value, aggregateSecondInterval.Value, aggregateThirdInterval.Value}
 	Init(cfg)