implement the Protocol method on the Transport

go.mod

@@ -7,8 +7,8 @@ require (
 	github.com/flynn/noise v1.0.0
 	github.com/gogo/protobuf v1.3.2
 	github.com/libp2p/go-buffer-pool v0.0.2
-	github.com/libp2p/go-libp2p-core v0.10.0
-	github.com/multiformats/go-multiaddr v0.3.3 // indirect
+	github.com/libp2p/go-libp2p-core v0.10.1-0.20210921170543-f829c09c1ca0
+	github.com/multiformats/go-multiaddr v0.4.1
 	github.com/multiformats/go-multihash v0.0.15 // indirect
 	github.com/stretchr/testify v1.7.0
 	golang.org/x/crypto v0.0.0-20210322153248-0c34fe9e7dc2

go.sum

@@ -45,9 +45,8 @@ github.com/kr/text v0.1.0/go.mod h1:4Jbv+DJW3UT/LiOwJeYQe1efqtUx/iVham/4vfdArNI=
 github.com/libp2p/go-buffer-pool v0.0.2 h1:QNK2iAFa8gjAe1SPz6mHSMuCcjs+X1wlHzeOSqcmlfs=
 github.com/libp2p/go-buffer-pool v0.0.2/go.mod h1:MvaB6xw5vOrDl8rYZGLFdKAuk/hRoRZd1Vi32+RXyFM=
 github.com/libp2p/go-flow-metrics v0.0.3/go.mod h1:HeoSNUrOJVK1jEpDqVEiUOIXqhbnS27omG0uWU5slZs=
-github.com/libp2p/go-libp2p-core v0.10.0 h1:jFy7v5Muq58GTeYkPhGzIH8Qq4BFfziqc0ixPd/pP9k=
-github.com/libp2p/go-libp2p-core v0.10.0/go.mod h1:ECdxehoYosLYHgDDFa2N4yE8Y7aQRAMf0sX9mf2sbGg=
-github.com/libp2p/go-maddr-filter v0.1.0/go.mod h1:VzZhTXkMucEGGEOSKddrwGiOv0tUhgnKqNEmIAz/bPU=
+github.com/libp2p/go-libp2p-core v0.10.1-0.20210921170543-f829c09c1ca0 h1:W1EqIm0+QVnfQ2SV138//D9NyAhseDxqLMoWvvhYsQQ=
+github.com/libp2p/go-libp2p-core v0.10.1-0.20210921170543-f829c09c1ca0/go.mod h1:KlkHsZ0nKerWsXLZJm3LfFQwusI5k3iN4BgtYTE4IYE=
 github.com/libp2p/go-msgio v0.0.6/go.mod h1:4ecVB6d9f4BDSL5fqvPiC4A3KivjWn+Venn/1ALLMWA=
 github.com/libp2p/go-openssl v0.0.7 h1:eCAzdLejcNVBzP/iZM9vqHnQm+XyCEbSSIheIPRGNsw=
 github.com/libp2p/go-openssl v0.0.7/go.mod h1:unDrJpgy3oFr+rqXsarWifmJuNnJR4chtO1HmaZjggc=
@@ -65,9 +64,8 @@ github.com/multiformats/go-base32 v0.0.3 h1:tw5+NhuwaOjJCC5Pp82QuXbrmLzWg7uxlMFp
 github.com/multiformats/go-base32 v0.0.3/go.mod h1:pLiuGC8y0QR3Ue4Zug5UzK9LjgbkL8NSQj0zQ5Nz/AA=
 github.com/multiformats/go-base36 v0.1.0 h1:JR6TyF7JjGd3m6FbLU2cOxhC0Li8z8dLNGQ89tUg4F4=
 github.com/multiformats/go-base36 v0.1.0/go.mod h1:kFGE83c6s80PklsHO9sRn2NCoffoRdUUOENyW/Vv6sM=
-github.com/multiformats/go-multiaddr v0.2.2/go.mod h1:NtfXiOtHvghW9KojvtySjH5y0u0xW5UouOmQQrn6a3Y=
-github.com/multiformats/go-multiaddr v0.3.3 h1:vo2OTSAqnENB2rLk79pLtr+uhj+VAzSe3uef5q0lRSs=
-github.com/multiformats/go-multiaddr v0.3.3/go.mod h1:lCKNGP1EQ1eZ35Za2wlqnabm9xQkib3fyB+nZXHLag0=
+github.com/multiformats/go-multiaddr v0.4.1 h1:Pq37uLx3hsyNlTDir7FZyU8+cFCTqd5y1KiM2IzOutI=
+github.com/multiformats/go-multiaddr v0.4.1/go.mod h1:3afI9HfVW8csiF8UZqtpYRiDyew8pRX7qLIGHu9FLuM=
 github.com/multiformats/go-multibase v0.0.3 h1:l/B6bJDQjvQ5G52jw4QGSYeOTZoAwIO77RblWplfIqk=
 github.com/multiformats/go-multibase v0.0.3/go.mod h1:5+1R4eQrT3PkYZ24C3W2Ue2tPwIdYQD509ZjSb5y9Oc=
 github.com/multiformats/go-multihash v0.0.13/go.mod h1:VdAWLKTwram9oKAatUcLxBNUjdtcVwxObEQBtRfuyjc=

transport.go

@@ -7,6 +7,8 @@ import (
 	"github.com/libp2p/go-libp2p-core/crypto"
 	"github.com/libp2p/go-libp2p-core/peer"
 	"github.com/libp2p/go-libp2p-core/sec"
+
+	ma "github.com/multiformats/go-multiaddr"
 )
 
 // ID is the protocol ID for noise
@@ -21,6 +23,8 @@ type Transport struct {
 	privateKey crypto.PrivKey
 }
 
+var _ sec.SecureTransport = &Transport{}
+
 // New creates a new Noise transport using the given private key as its
 // libp2p identity key.
 func New(privkey crypto.PrivKey) (*Transport, error) {
@@ -35,6 +39,12 @@ func New(privkey crypto.PrivKey) (*Transport, error) {
 	}, nil
 }
 
+var protoNoise = ma.ProtocolWithCode(ma.P_NOISE)
+
+func (t *Transport) Protocol() ma.Protocol {
+	return protoNoise
+}
+
 // SecureInbound runs the Noise handshake as the responder.
 // If p is empty, connections from any peer are accepted.
 func (t *Transport) SecureInbound(ctx context.Context, insecure net.Conn, p peer.ID) (sec.SecureConn, error) {