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registrar.go
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registrar.go
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// Copyright 2019-2023 Weald Technology Trading.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package ens
import (
"fmt"
"github.com/ethereum/go-ethereum/accounts/abi/bind"
"github.com/ethereum/go-ethereum/common"
)
// RegistrarContractAddress obtains the registrar contract address for a given domain.
func RegistrarContractAddress(backend bind.ContractBackend, domain string) (common.Address, error) {
// Obtain a registry contract.
registry, err := NewRegistry(backend)
if err != nil {
return UnknownAddress, err
}
// Obtain the registrar address from the registry.
address, err := registry.Owner(domain)
if address == UnknownAddress {
err = fmt.Errorf("no registrar for %s", domain)
}
return address, err
}