1 files changed, 62 insertions, 0 deletions
diff --git a/p2p/enode/node_test.go b/p2p/enode/node_test.go
new file mode 100644
index 000000000..861a70bd6
--- /dev/null
+++ b/p2p/enode/node_test.go
@@ -0,0 +1,62 @@
+// Copyright 2018 The go-ethereum Authors
+// This file is part of the go-ethereum library.
+//
+// The go-ethereum library is free software: you can redistribute it and/or modify
+// it under the terms of the GNU Lesser General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// The go-ethereum library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU Lesser General Public License for more details.
+//
+// You should have received a copy of the GNU Lesser General Public License
+// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
+
+package enode
+
+import (
+	"encoding/hex"
+	"fmt"
+	"testing"
+
+	"github.com/ethereum/go-ethereum/p2p/enr"
+	"github.com/ethereum/go-ethereum/rlp"
+	"github.com/stretchr/testify/assert"
+)
+
+var pyRecord, _ = hex.DecodeString("f884b8407098ad865b00a582051940cb9cf36836572411a47278783077011599ed5cd16b76f2635f4e234738f30813a89eb9137e3e3df5266e3a1f11df72ecf1145ccb9c01826964827634826970847f00000189736563703235366b31a103ca634cae0d49acb401d8a4c6b6fe8c55b70d115bf400769cc1400f3258cd31388375647082765f")
+
+// TestPythonInterop checks that we can decode and verify a record produced by the Python
+// implementation.
+func TestPythonInterop(t *testing.T) {
+	var r enr.Record
+	if err := rlp.DecodeBytes(pyRecord, &r); err != nil {
+		t.Fatalf("can't decode: %v", err)
+	}
+	n, err := New(ValidSchemes, &r)
+	if err != nil {
+		t.Fatalf("can't verify record: %v", err)
+	}
+
+	var (
+		wantID  = HexID("a448f24c6d18e575453db13171562b71999873db5b286df957af199ec94617f7")
+		wantSeq = uint64(1)
+		wantIP  = enr.IP{127, 0, 0, 1}
+		wantUDP = enr.UDP(30303)
+	)
+	if n.Seq() != wantSeq {
+		t.Errorf("wrong seq: got %d, want %d", n.Seq(), wantSeq)
+	}
+	if n.ID() != wantID {
+		t.Errorf("wrong id: got %x, want %x", n.ID(), wantID)
+	}
+	want := map[enr.Entry]interface{}{new(enr.IP): &wantIP, new(enr.UDP): &wantUDP}
+	for k, v := range want {
+		desc := fmt.Sprintf("loading key %q", k.ENRKey())
+		if assert.NoError(t, n.Load(k), desc) {
+			assert.Equal(t, k, v, desc)
+		}
+	}
+}