status-go/vendor/github.com/wealdtech/go-ens/v3/dnssecoracle.go

55 lines
1.5 KiB
Go

// Copyright 2019 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 (
"github.com/ethereum/go-ethereum/accounts/abi/bind"
"github.com/ethereum/go-ethereum/common"
"github.com/wealdtech/go-ens/v3/contracts/dnssecoracle"
)
// DNSSECOracle is the structure for the DNSSEC oracle
type DNSSECOracle struct {
backend bind.ContractBackend
domain string
Contract *dnssecoracle.Contract
ContractAddr common.Address
}
// NewDNSSECOracle obtains the DNSSEC oracle contract for a given domain
func NewDNSSECOracle(backend bind.ContractBackend, domain string) (*DNSSECOracle, error) {
registrar, err := NewDNSRegistrar(backend, domain)
if err != nil {
return nil, err
}
address, err := registrar.Contract.Oracle(nil)
if err != nil {
return nil, err
}
contract, err := dnssecoracle.NewContract(address, backend)
if err != nil {
return nil, err
}
return &DNSSECOracle{
backend: backend,
domain: domain,
Contract: contract,
ContractAddr: address,
}, nil
}