71 lines
2.2 KiB
Go
71 lines
2.2 KiB
Go
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// Copyright 2017-2019 Weald Technology Trading
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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package ens
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import (
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"errors"
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"github.com/ethereum/go-ethereum/accounts/abi/bind"
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"github.com/ethereum/go-ethereum/common"
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"github.com/ethereum/go-ethereum/core/types"
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"github.com/wealdtech/go-ens/v3/contracts/reverseregistrar"
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)
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// ReverseRegistrar is the structure for the reverse registrar
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type ReverseRegistrar struct {
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Contract *reverseregistrar.Contract
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ContractAddr common.Address
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}
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// NewReverseRegistrar obtains the reverse registrar
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func NewReverseRegistrar(backend bind.ContractBackend) (*ReverseRegistrar, error) {
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registry, err := NewRegistry(backend)
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if err != nil {
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return nil, err
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}
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// Obtain the registry address from the registrar
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address, err := registry.Owner("addr.reverse")
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if err != nil {
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return nil, err
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}
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if address == UnknownAddress {
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return nil, errors.New("no registrar for that network")
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}
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return NewReverseRegistrarAt(backend, address)
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}
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// NewReverseRegistrarAt obtains the reverse registrar at a given address
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func NewReverseRegistrarAt(backend bind.ContractBackend, address common.Address) (*ReverseRegistrar, error) {
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contract, err := reverseregistrar.NewContract(address, backend)
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if err != nil {
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return nil, err
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}
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return &ReverseRegistrar{
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Contract: contract,
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ContractAddr: address,
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}, nil
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}
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// SetName sets the name
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func (r *ReverseRegistrar) SetName(opts *bind.TransactOpts, name string) (tx *types.Transaction, err error) {
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return r.Contract.SetName(opts, name)
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}
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// DefaultResolverAddress obtains the default resolver address
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func (r *ReverseRegistrar) DefaultResolverAddress() (common.Address, error) {
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return r.Contract.DefaultResolver(nil)
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}
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