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-rw-r--r--contracts/ens/ens.go263
1 files changed, 0 insertions, 263 deletions
diff --git a/contracts/ens/ens.go b/contracts/ens/ens.go
deleted file mode 100644
index 6fed172dc..000000000
--- a/contracts/ens/ens.go
+++ /dev/null
@@ -1,263 +0,0 @@
-// Copyright 2016 The go-ethereum Authors
-// This file is part of the go-ethereum library.
-//
-// The go-ethereum library 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.
-//
-// The go-ethereum library 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 the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
-
-package ens
-
-//go:generate abigen --sol contract/ENS.sol --pkg contract --out contract/ens.go
-//go:generate abigen --sol contract/ENSRegistry.sol --exc contract/ENS.sol:ENS --pkg contract --out contract/ensregistry.go
-//go:generate abigen --sol contract/FIFSRegistrar.sol --exc contract/ENS.sol:ENS --pkg contract --out contract/fifsregistrar.go
-//go:generate abigen --sol contract/PublicResolver.sol --exc contract/ENS.sol:ENS --pkg contract --out contract/publicresolver.go
-
-import (
- "encoding/binary"
- "strings"
-
- "github.com/ethereum/go-ethereum/accounts/abi/bind"
- "github.com/ethereum/go-ethereum/common"
- "github.com/ethereum/go-ethereum/contracts/ens/contract"
- "github.com/ethereum/go-ethereum/contracts/ens/fallback_contract"
- "github.com/ethereum/go-ethereum/core/types"
- "github.com/ethereum/go-ethereum/crypto"
-)
-
-var (
- MainNetAddress = common.HexToAddress("0x314159265dD8dbb310642f98f50C066173C1259b")
- TestNetAddress = common.HexToAddress("0x112234455c3a32fd11230c42e7bccd4a84e02010")
- contentHash_Interface_Id [4]byte
-)
-
-const contentHash_Interface_Id_Spec = 0xbc1c58d1
-
-func init() {
- binary.BigEndian.PutUint32(contentHash_Interface_Id[:], contentHash_Interface_Id_Spec)
-}
-
-// ENS is the swarm domain name registry and resolver
-type ENS struct {
- *contract.ENSSession
- contractBackend bind.ContractBackend
-}
-
-// NewENS creates a struct exposing convenient high-level operations for interacting with
-// the Ethereum Name Service.
-func NewENS(transactOpts *bind.TransactOpts, contractAddr common.Address, contractBackend bind.ContractBackend) (*ENS, error) {
- ens, err := contract.NewENS(contractAddr, contractBackend)
- if err != nil {
- return nil, err
- }
- return &ENS{
- &contract.ENSSession{
- Contract: ens,
- TransactOpts: *transactOpts,
- },
- contractBackend,
- }, nil
-}
-
-// DeployENS deploys an instance of the ENS nameservice, with a 'first-in, first-served' root registrar.
-func DeployENS(transactOpts *bind.TransactOpts, contractBackend bind.ContractBackend) (common.Address, *ENS, error) {
- // Deploy the ENS registry
- ensAddr, _, _, err := contract.DeployENSRegistry(transactOpts, contractBackend)
- if err != nil {
- return ensAddr, nil, err
- }
- ens, err := NewENS(transactOpts, ensAddr, contractBackend)
- if err != nil {
- return ensAddr, nil, err
- }
- // Deploy the registrar
- regAddr, _, _, err := contract.DeployFIFSRegistrar(transactOpts, contractBackend, ensAddr, [32]byte{})
- if err != nil {
- return ensAddr, nil, err
- }
- // Set the registrar as owner of the ENS root
- if _, err = ens.SetOwner([32]byte{}, regAddr); err != nil {
- return ensAddr, nil, err
- }
- return ensAddr, ens, nil
-}
-
-func ensParentNode(name string) (common.Hash, common.Hash) {
- parts := strings.SplitN(name, ".", 2)
- label := crypto.Keccak256Hash([]byte(parts[0]))
- if len(parts) == 1 {
- return [32]byte{}, label
- }
- parentNode, parentLabel := ensParentNode(parts[1])
- return crypto.Keccak256Hash(parentNode[:], parentLabel[:]), label
-}
-
-func EnsNode(name string) common.Hash {
- parentNode, parentLabel := ensParentNode(name)
- return crypto.Keccak256Hash(parentNode[:], parentLabel[:])
-}
-
-func (ens *ENS) getResolver(node [32]byte) (*contract.PublicResolverSession, error) {
- resolverAddr, err := ens.Resolver(node)
- if err != nil {
- return nil, err
- }
- resolver, err := contract.NewPublicResolver(resolverAddr, ens.contractBackend)
- if err != nil {
- return nil, err
- }
- return &contract.PublicResolverSession{
- Contract: resolver,
- TransactOpts: ens.TransactOpts,
- }, nil
-}
-
-func (ens *ENS) getFallbackResolver(node [32]byte) (*fallback_contract.PublicResolverSession, error) {
- resolverAddr, err := ens.Resolver(node)
- if err != nil {
- return nil, err
- }
- resolver, err := fallback_contract.NewPublicResolver(resolverAddr, ens.contractBackend)
- if err != nil {
- return nil, err
- }
- return &fallback_contract.PublicResolverSession{
- Contract: resolver,
- TransactOpts: ens.TransactOpts,
- }, nil
-}
-
-func (ens *ENS) getRegistrar(node [32]byte) (*contract.FIFSRegistrarSession, error) {
- registrarAddr, err := ens.Owner(node)
- if err != nil {
- return nil, err
- }
- registrar, err := contract.NewFIFSRegistrar(registrarAddr, ens.contractBackend)
- if err != nil {
- return nil, err
- }
- return &contract.FIFSRegistrarSession{
- Contract: registrar,
- TransactOpts: ens.TransactOpts,
- }, nil
-}
-
-// Resolve is a non-transactional call that returns the content hash associated with a name.
-func (ens *ENS) Resolve(name string) (common.Hash, error) {
- node := EnsNode(name)
-
- resolver, err := ens.getResolver(node)
- if err != nil {
- return common.Hash{}, err
- }
-
- // IMPORTANT: The old contract is deprecated. This code should be removed latest on June 1st 2019
- supported, err := resolver.SupportsInterface(contentHash_Interface_Id)
- if err != nil {
- return common.Hash{}, err
- }
-
- if !supported {
- resolver, err := ens.getFallbackResolver(node)
- if err != nil {
- return common.Hash{}, err
- }
- ret, err := resolver.Content(node)
- if err != nil {
- return common.Hash{}, err
- }
- return common.BytesToHash(ret[:]), nil
- }
-
- // END DEPRECATED CODE
-
- contentHash, err := resolver.Contenthash(node)
- if err != nil {
- return common.Hash{}, err
- }
-
- return extractContentHash(contentHash)
-}
-
-// Addr is a non-transactional call that returns the address associated with a name.
-func (ens *ENS) Addr(name string) (common.Address, error) {
- node := EnsNode(name)
-
- resolver, err := ens.getResolver(node)
- if err != nil {
- return common.Address{}, err
- }
- ret, err := resolver.Addr(node)
- if err != nil {
- return common.Address{}, err
- }
- return common.BytesToAddress(ret[:]), nil
-}
-
-// SetAddress sets the address associated with a name. Only works if the caller
-// owns the name, and the associated resolver implements a `setAddress` function.
-func (ens *ENS) SetAddr(name string, addr common.Address) (*types.Transaction, error) {
- node := EnsNode(name)
-
- resolver, err := ens.getResolver(node)
- if err != nil {
- return nil, err
- }
- opts := ens.TransactOpts
- opts.GasLimit = 200000
- return resolver.Contract.SetAddr(&opts, node, addr)
-}
-
-// Register registers a new domain name for the caller, making them the owner of the new name.
-// Only works if the registrar for the parent domain implements the FIFS registrar protocol.
-func (ens *ENS) Register(name string) (*types.Transaction, error) {
- parentNode, label := ensParentNode(name)
- registrar, err := ens.getRegistrar(parentNode)
- if err != nil {
- return nil, err
- }
- return registrar.Contract.Register(&ens.TransactOpts, label, ens.TransactOpts.From)
-}
-
-// SetContentHash sets the content hash associated with a name. Only works if the caller
-// owns the name, and the associated resolver implements a `setContenthash` function.
-func (ens *ENS) SetContentHash(name string, hash []byte) (*types.Transaction, error) {
- node := EnsNode(name)
-
- resolver, err := ens.getResolver(node)
- if err != nil {
- return nil, err
- }
-
- opts := ens.TransactOpts
- opts.GasLimit = 200000
-
- // IMPORTANT: The old contract is deprecated. This code should be removed latest on June 1st 2019
- supported, err := resolver.SupportsInterface(contentHash_Interface_Id)
- if err != nil {
- return nil, err
- }
-
- if !supported {
- resolver, err := ens.getFallbackResolver(node)
- if err != nil {
- return nil, err
- }
- opts := ens.TransactOpts
- opts.GasLimit = 200000
- var b [32]byte
- copy(b[:], hash)
- return resolver.Contract.SetContent(&opts, node, b)
- }
-
- // END DEPRECATED CODE
- return resolver.Contract.SetContenthash(&opts, node, hash)
-}