1 files changed, 48 insertions, 0 deletions
diff --git a/common/registrar/ethreg/ethreg.go b/common/registrar/ethreg/ethreg.go
new file mode 100644
index 000000000..e7df1e7f6
--- /dev/null
+++ b/common/registrar/ethreg/ethreg.go
@@ -0,0 +1,48 @@
+// Copyright 2015 The go-ethereum Authors
+// This file is part of go-ethereum.
+//
+// go-ethereum 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.
+//
+// go-ethereum 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 go-ethereum.  If not, see <http://www.gnu.org/licenses/>.
+
+package ethreg
+
+import (
+	"math/big"
+
+	"github.com/ethereum/go-ethereum/common/registrar"
+	"github.com/ethereum/go-ethereum/xeth"
+)
+
+// implements a versioned Registrar on an archiving full node
+type EthReg struct {
+	backend  *xeth.XEth
+	registry *registrar.Registrar
+}
+
+func New(xe *xeth.XEth) (self *EthReg) {
+	self = &EthReg{backend: xe}
+	self.registry = registrar.New(xe)
+	return
+}
+
+func (self *EthReg) Registry() *registrar.Registrar {
+	return self.registry
+}
+
+func (self *EthReg) Resolver(n *big.Int) *registrar.Registrar {
+	xe := self.backend
+	if n != nil {
+		xe = self.backend.AtStateNum(n.Int64())
+	}
+	return registrar.New(xe)
+}