Remove support for varsig v0

registry_test.go

@@ -12,25 +12,7 @@ import (
 )
 
 func TestRegistry_Decode(t *testing.T) {
-	t.Parallel()
-
-	t.Run("passes - v0", func(t *testing.T) {
-		t.Parallel()
-
-		data, err := hex.DecodeString("348120")
-		require.NoError(t, err)
-
-		reg := testRegistry(t)
-
-		vs, err := reg.DecodeStream(bytes.NewReader(data))
-		require.NoError(t, err)
-		assert.Equal(t, varsig.Version0, vs.Version())
-		assert.Equal(t, testDiscriminator1, vs.Discriminator())
-	})
-
 	t.Run("passes - v1", func(t *testing.T) {
-		t.Parallel()
-
 		data, err := hex.DecodeString("34018120")
 		require.NoError(t, err)
 
@@ -52,36 +34,27 @@ func testRegistry(t *testing.T) varsig.Registry {
 	t.Helper()
 
 	reg := varsig.NewRegistry()
-	reg.Register(testDiscriminator0, testDecodeFunc(t))
-	reg.Register(testDiscriminator1, testDecodeFunc(t))
+	reg.Register(testDiscriminator0, testDecodeFunc(testDiscriminator0))
+	reg.Register(testDiscriminator1, testDecodeFunc(testDiscriminator1))
 
 	return reg
 }
 
-func testDecodeFunc(t *testing.T) varsig.DecodeFunc {
-	t.Helper()
-
-	return func(r varsig.BytesReader, vers varsig.Version, disc varsig.Discriminator) (varsig.Varsig, error) {
-		v := &testVarsig{
-			vers: vers,
-			disc: disc,
-		}
-
-		return v, nil
+func testDecodeFunc(disc varsig.Discriminator) varsig.DecodeFunc {
+	return func(r varsig.BytesReader) (varsig.Varsig, error) {
+		return &testVarsig{disc: disc}, nil
 	}
 }
 
 var _ varsig.Varsig = testVarsig{}
 
 type testVarsig struct {
-	vers   varsig.Version
 	disc   varsig.Discriminator
 	payEnc varsig.PayloadEncoding
-	sig    []byte
 }
 
 func (v testVarsig) Version() varsig.Version {
-	return v.vers
+	return varsig.Version1
 }
 
 func (v testVarsig) Discriminator() varsig.Discriminator {
@@ -92,10 +65,6 @@ func (v testVarsig) PayloadEncoding() varsig.PayloadEncoding {
 	return v.payEnc
 }
 
-func (v testVarsig) Signature() []byte {
-	return v.sig
-}
-
 func (v testVarsig) Encode() []byte {
 	return nil
 }