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// 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)
}
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