basichost: use multistream2

Author: ppopth

go.mod

@@ -105,3 +105,6 @@ require (
 	gopkg.in/yaml.v3 v3.0.1 // indirect
 	lukechampine.com/blake3 v1.4.1 // indirect
 )
+
+// TODO: remove this when it's done
+replace github.com/multiformats/go-multistream => github.com/ppopth/go-multistream v0.0.0-20251117190159-82393f9eab2d

go.sum

@@ -104,8 +104,6 @@ github.com/multiformats/go-multicodec v0.9.1/go.mod h1:LLWNMtyV5ithSBUo3vFIMaeDy
 github.com/multiformats/go-multihash v0.0.8/go.mod h1:YSLudS+Pi8NHE7o6tb3D8vrpKa63epEDmG8nTduyAew=
 github.com/multiformats/go-multihash v0.2.3 h1:7Lyc8XfX/IY2jWb/gI7JP+o7JEq9hOa7BFvVU9RSh+U=
 github.com/multiformats/go-multihash v0.2.3/go.mod h1:dXgKXCXjBzdscBLk9JkjINiEsCKRVch90MdaGiKsvSM=
-github.com/multiformats/go-multistream v0.6.1 h1:4aoX5v6T+yWmc2raBHsTvzmFhOI8WVOer28DeBBEYdQ=
-github.com/multiformats/go-multistream v0.6.1/go.mod h1:ksQf6kqHAb6zIsyw7Zm+gAuVo57Qbq84E27YlYqavqw=
 github.com/multiformats/go-varint v0.0.7 h1:sWSGR+f/eu5ABZA2ZpYKBILXTTs9JWpdEM/nEGOHFS8=
 github.com/multiformats/go-varint v0.0.7/go.mod h1:r8PUYw/fD/SjBCiKOoDlGF6QawOELpZAu9eioSos/OU=
 github.com/munnerz/goautoneg v0.0.0-20191010083416-a7dc8b61c822 h1:C3w9PqII01/Oq1c1nUAm88MOHcQC9l5mIlSMApZMrHA=
@@ -156,6 +154,8 @@ github.com/pion/webrtc/v4 v4.1.2 h1:mpuUo/EJ1zMNKGE79fAdYNFZBX790KE7kQQpLMjjR54=
 github.com/pion/webrtc/v4 v4.1.2/go.mod h1:xsCXiNAmMEjIdFxAYU0MbB3RwRieJsegSB2JZsGN+8U=
 github.com/pmezard/go-difflib v1.0.0 h1:4DBwDE0NGyQoBHbLQYPwSUPoCMWR5BEzIk/f1lZbAQM=
 github.com/pmezard/go-difflib v1.0.0/go.mod h1:iKH77koFhYxTK1pcRnkKkqfTogsbg7gZNVY4sRDYZ/4=
+github.com/ppopth/go-multistream v0.0.0-20251117190159-82393f9eab2d h1:KHw0qkdg8VKva4gRFLbCrGfl4RsJ8iSvfLJx5M/TbfE=
+github.com/ppopth/go-multistream v0.0.0-20251117190159-82393f9eab2d/go.mod h1:sIFlNOs3fTbw+XPuWqQ0MgfxtPcVu5N8R5Xg5+H/bcE=
 github.com/prometheus/client_golang v1.22.0 h1:rb93p9lokFEsctTys46VnV1kLCDpVZ0a/Y92Vm0Zc6Q=
 github.com/prometheus/client_golang v1.22.0/go.mod h1:R7ljNsLXhuQXYZYtw6GAE9AZg8Y7vEW5scdCXrWRXC0=
 github.com/prometheus/client_model v0.6.2 h1:oBsgwpGs7iVziMvrGhE53c/GrLUsZdHnqNwqPLxwZyk=

p2p/host/basic/basic_host.go

@@ -477,15 +477,16 @@ func (h *BasicHost) NewStream(ctx context.Context, p peer.ID, pids ...protocol.I
 		return nil, err
 	}
 
-	if h.supportProtocolAbbreviation(p) {
-		// TODO: if the protocol ID abbreviation is supported, do something here.
-	}
-
 	if pref != "" {
 		if err := s.SetProtocol(pref); err != nil {
 			return nil, err
 		}
-		lzcon := msmux.NewMSSelect(s, pref)
+		var lzcon msmux.LazyConn
+		if h.supportProtocolAbbreviation(p) {
+			lzcon = msmux.NewMSSelect2(s, pref, pids)
+		} else {
+			lzcon = msmux.NewMSSelect(s, pref)
+		}
 		return &streamWrapper{
 			Stream: s,
 			rw:     lzcon,