remove support for version 30, since we don't implement FEC at all

handshake/crypto_setup.go

@@ -146,12 +146,7 @@ func (h *CryptoSetup) isInchoateCHLO(cryptoData map[Tag][]byte) bool {
 }
 
 func (h *CryptoSetup) handleInchoateCHLO(data []byte) ([]byte, error) {
-	var chloOrNil []byte
-	if h.version > protocol.VersionNumber(30) {
-		chloOrNil = data
-	}
-
-	proof, err := h.scfg.Sign(chloOrNil)
+	proof, err := h.scfg.Sign(data)
 	if err != nil {
 		return nil, err
 	}

handshake/crypto_setup_test.go

@@ -120,13 +120,6 @@ var _ = Describe("Crypto setup", func() {
 			Expect(signer.gotCHLO).To(BeTrue())
 		})
 
-		It("generates REJ messages for version 30", func() {
-			cs.version = protocol.VersionNumber(30)
-			_, err := cs.handleInchoateCHLO(sampleCHLO)
-			Expect(err).ToNot(HaveOccurred())
-			Expect(signer.gotCHLO).To(BeFalse())
-		})
-
 		It("generates SHLO messages", func() {
 			response, err := cs.handleCHLO([]byte("chlo-data"), map[Tag][]byte{
 				TagPUBS: []byte("pubs-c"),

protocol/version.go

@@ -11,7 +11,6 @@ type VersionNumber int
 
 // SupportedVersions lists the versions that the server supports
 var SupportedVersions = []VersionNumber{
-	30,
 	32,
 }
 

protocol/version_test.go

@@ -19,7 +19,7 @@ var _ = Describe("Version", func() {
 	})
 
 	It("has proper tag list", func() {
-		Expect(protocol.SupportedVersionsAsTags).To(Equal([]byte("Q030Q032")))
+		Expect(protocol.SupportedVersionsAsTags).To(Equal([]byte("Q032")))
 	})
 
 	It("recognizes supported versions", func() {