diff options
| -rw-r--r-- | build/update-license.go | 2 | ||||
| -rw-r--r-- | contracts/ens/README.md | 20 | ||||
| -rw-r--r-- | contracts/ens/contract/ens.go | 900 | ||||
| -rw-r--r-- | contracts/ens/contract/ens.sol | 226 | ||||
| -rw-r--r-- | contracts/ens/ens.go | 178 | ||||
| -rw-r--r-- | contracts/ens/ens_test.go | 67 |
6 files changed, 1393 insertions, 0 deletions
diff --git a/build/update-license.go b/build/update-license.go index 803f7e8fd..4a6ce064e 100644 --- a/build/update-license.go +++ b/build/update-license.go @@ -50,6 +50,8 @@ var ( "crypto/sha3/", "crypto/ecies/", "logger/glog/", "crypto/secp256k1/curve.go", "trie/arc.go", + // don't license generated files + "contracts/ens/contract/", } // paths with this prefix are licensed as GPL. all other files are LGPL. diff --git a/contracts/ens/README.md b/contracts/ens/README.md new file mode 100644 index 000000000..68c5e9769 --- /dev/null +++ b/contracts/ens/README.md @@ -0,0 +1,20 @@ +# Swarm ENS interface + +## Usage + +Full documentation for the Ethereum Name Service [can be found as EIP 137](https://github.com/ethereum/EIPs/issues/137). +This package offers a simple binding that streamlines the registration arbitrary utf8 domain names to swarm content hashes. + +## Development + +The SOL file in contract subdirectory implements the ENS root registry, a simple first-in-first-served registrar for the root namespace, and a simple resolver contract; they're used in tests, and can be used to deploy these contracts for your own purposes. + +The solidity source code can be found at [github.com/arachnid/ens/](https://github.com/arachnid/ens/). + +The go bindings for ENS contracts are generated using `abigen` via the go generator: + +```shell +godep go generate ./swarm/services/ens +``` + +see the preprocessor directives in leading comments of ens.go and ens_test.go diff --git a/contracts/ens/contract/ens.go b/contracts/ens/contract/ens.go new file mode 100644 index 000000000..34c156e3f --- /dev/null +++ b/contracts/ens/contract/ens.go @@ -0,0 +1,900 @@ +// This file is an automatically generated Go binding. Do not modify as any +// change will likely be lost upon the next re-generation! + +package contract + +import ( + "strings" + + "github.com/ethereum/go-ethereum/accounts/abi" + "github.com/ethereum/go-ethereum/accounts/abi/bind" + "github.com/ethereum/go-ethereum/common" + "github.com/ethereum/go-ethereum/core/types" +) + +// ENSABI is the input ABI used to generate the binding from. +const ENSABI = `[{"constant":true,"inputs":[{"name":"node","type":"bytes32"}],"name":"resolver","outputs":[{"name":"","type":"address"}],"type":"function"},{"constant":true,"inputs":[{"name":"node","type":"bytes32"}],"name":"owner","outputs":[{"name":"","type":"address"}],"type":"function"},{"constant":false,"inputs":[{"name":"node","type":"bytes32"},{"name":"resolver","type":"address"}],"name":"setResolver","outputs":[],"type":"function"},{"constant":false,"inputs":[{"name":"node","type":"bytes32"},{"name":"label","type":"bytes32"},{"name":"owner","type":"address"}],"name":"setOwner","outputs":[],"type":"function"},{"constant":false,"inputs":[{"name":"node","type":"bytes32"},{"name":"owner","type":"address"}],"name":"setOwner","outputs":[],"type":"function"},{"inputs":[{"name":"owner","type":"address"}],"type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"name":"node","type":"bytes32"},{"indexed":true,"name":"label","type":"bytes32"},{"indexed":false,"name":"owner","type":"address"}],"name":"NewOwner","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"node","type":"bytes32"},{"indexed":false,"name":"owner","type":"address"}],"name":"Transfer","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"node","type":"bytes32"},{"indexed":false,"name":"resolver","type":"address"}],"name":"NewResolver","type":"event"}]` + +// ENSBin is the compiled bytecode used for deploying new contracts. +const ENSBin = `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` + +// DeployENS deploys a new Ethereum contract, binding an instance of ENS to it. +func DeployENS(auth *bind.TransactOpts, backend bind.ContractBackend, owner common.Address) (common.Address, *types.Transaction, *ENS, error) { + parsed, err := abi.JSON(strings.NewReader(ENSABI)) + if err != nil { + return common.Address{}, nil, nil, err + } + address, tx, contract, err := bind.DeployContract(auth, parsed, common.FromHex(ENSBin), backend, owner) + if err != nil { + return common.Address{}, nil, nil, err + } + return address, tx, &ENS{ENSCaller: ENSCaller{contract: contract}, ENSTransactor: ENSTransactor{contract: contract}}, nil +} + +// ENS is an auto generated Go binding around an Ethereum contract. +type ENS struct { + ENSCaller // Read-only binding to the contract + ENSTransactor // Write-only binding to the contract +} + +// ENSCaller is an auto generated read-only Go binding around an Ethereum contract. +type ENSCaller struct { + contract *bind.BoundContract // Generic contract wrapper for the low level calls +} + +// ENSTransactor is an auto generated write-only Go binding around an Ethereum contract. +type ENSTransactor struct { + contract *bind.BoundContract // Generic contract wrapper for the low level calls +} + +// ENSSession is an auto generated Go binding around an Ethereum contract, +// with pre-set call and transact options. +type ENSSession struct { + Contract *ENS // Generic contract binding to set the session for + CallOpts bind.CallOpts // Call options to use throughout this session + TransactOpts bind.TransactOpts // Transaction auth options to use throughout this session +} + +// ENSCallerSession is an auto generated read-only Go binding around an Ethereum contract, +// with pre-set call options. +type ENSCallerSession struct { + Contract *ENSCaller // Generic contract caller binding to set the session for + CallOpts bind.CallOpts // Call options to use throughout this session +} + +// ENSTransactorSession is an auto generated write-only Go binding around an Ethereum contract, +// with pre-set transact options. +type ENSTransactorSession struct { + Contract *ENSTransactor // Generic contract transactor binding to set the session for + TransactOpts bind.TransactOpts // Transaction auth options to use throughout this session +} + +// ENSRaw is an auto generated low-level Go binding around an Ethereum contract. +type ENSRaw struct { + Contract *ENS // Generic contract binding to access the raw methods on +} + +// ENSCallerRaw is an auto generated low-level read-only Go binding around an Ethereum contract. +type ENSCallerRaw struct { + Contract *ENSCaller // Generic read-only contract binding to access the raw methods on +} + +// ENSTransactorRaw is an auto generated low-level write-only Go binding around an Ethereum contract. +type ENSTransactorRaw struct { + Contract *ENSTransactor // Generic write-only contract binding to access the raw methods on +} + +// NewENS creates a new instance of ENS, bound to a specific deployed contract. +func NewENS(address common.Address, backend bind.ContractBackend) (*ENS, error) { + contract, err := bindENS(address, backend.(bind.ContractCaller), backend.(bind.ContractTransactor)) + if err != nil { + return nil, err + } + return &ENS{ENSCaller: ENSCaller{contract: contract}, ENSTransactor: ENSTransactor{contract: contract}}, nil +} + +// NewENSCaller creates a new read-only instance of ENS, bound to a specific deployed contract. +func NewENSCaller(address common.Address, caller bind.ContractCaller) (*ENSCaller, error) { + contract, err := bindENS(address, caller, nil) + if err != nil { + return nil, err + } + return &ENSCaller{contract: contract}, nil +} + +// NewENSTransactor creates a new write-only instance of ENS, bound to a specific deployed contract. +func NewENSTransactor(address common.Address, transactor bind.ContractTransactor) (*ENSTransactor, error) { + contract, err := bindENS(address, nil, transactor) + if err != nil { + return nil, err + } + return &ENSTransactor{contract: contract}, nil +} + +// bindENS binds a generic wrapper to an already deployed contract. +func bindENS(address common.Address, caller bind.ContractCaller, transactor bind.ContractTransactor) (*bind.BoundContract, error) { + parsed, err := abi.JSON(strings.NewReader(ENSABI)) + if err != nil { + return nil, err + } + return bind.NewBoundContract(address, parsed, caller, transactor), nil +} + +// Call invokes the (constant) contract method with params as input values and +// sets the output to result. The result type might be a single field for simple +// returns, a slice of interfaces for anonymous returns and a struct for named +// returns. +func (_ENS *ENSRaw) Call(opts *bind.CallOpts, result interface{}, method string, params ...interface{}) error { + return _ENS.Contract.ENSCaller.contract.Call(opts, result, method, params...) +} + +// Transfer initiates a plain transaction to move funds to the contract, calling +// its default method if one is available. +func (_ENS *ENSRaw) Transfer(opts *bind.TransactOpts) (*types.Transaction, error) { + return _ENS.Contract.ENSTransactor.contract.Transfer(opts) +} + +// Transact invokes the (paid) contract method with params as input values. +func (_ENS *ENSRaw) Transact(opts *bind.TransactOpts, method string, params ...interface{}) (*types.Transaction, error) { + return _ENS.Contract.ENSTransactor.contract.Transact(opts, method, params...) +} + +// Call invokes the (constant) contract method with params as input values and +// sets the output to result. The result type might be a single field for simple +// returns, a slice of interfaces for anonymous returns and a struct for named +// returns. +func (_ENS *ENSCallerRaw) Call(opts *bind.CallOpts, result interface{}, method string, params ...interface{}) error { + return _ENS.Contract.contract.Call(opts, result, method, params...) +} + +// Transfer initiates a plain transaction to move funds to the contract, calling +// its default method if one is available. +func (_ENS *ENSTransactorRaw) Transfer(opts *bind.TransactOpts) (*types.Transaction, error) { + return _ENS.Contract.contract.Transfer(opts) +} + +// Transact invokes the (paid) contract method with params as input values. +func (_ENS *ENSTransactorRaw) Transact(opts *bind.TransactOpts, method string, params ...interface{}) (*types.Transaction, error) { + return _ENS.Contract.contract.Transact(opts, method, params...) +} + +// Owner is a free data retrieval call binding the contract method 0x02571be3. +// +// Solidity: function owner(node bytes32) constant returns(address) +func (_ENS *ENSCaller) Owner(opts *bind.CallOpts, node [32]byte) (common.Address, error) { + var ( + ret0 = new(common.Address) + ) + out := ret0 + err := _ENS.contract.Call(opts, out, "owner", node) + return *ret0, err +} + +// Owner is a free data retrieval call binding the contract method 0x02571be3. +// +// Solidity: function owner(node bytes32) constant returns(address) +func (_ENS *ENSSession) Owner(node [32]byte) (common.Address, error) { + return _ENS.Contract.Owner(&_ENS.CallOpts, node) +} + +// Owner is a free data retrieval call binding the contract method 0x02571be3. +// +// Solidity: function owner(node bytes32) constant returns(address) +func (_ENS *ENSCallerSession) Owner(node [32]byte) (common.Address, error) { + return _ENS.Contract.Owner(&_ENS.CallOpts, node) +} + +// Resolver is a free data retrieval call binding the contract method 0x0178b8bf. +// +// Solidity: function resolver(node bytes32) constant returns(address) +func (_ENS *ENSCaller) Resolver(opts *bind.CallOpts, node [32]byte) (common.Address, error) { + var ( + ret0 = new(common.Address) + ) + out := ret0 + err := _ENS.contract.Call(opts, out, "resolver", node) + return *ret0, err +} + +// Resolver is a free data retrieval call binding the contract method 0x0178b8bf. +// +// Solidity: function resolver(node bytes32) constant returns(address) +func (_ENS *ENSSession) Resolver(node [32]byte) (common.Address, error) { + return _ENS.Contract.Resolver(&_ENS.CallOpts, node) +} + +// Resolver is a free data retrieval call binding the contract method 0x0178b8bf. +// +// Solidity: function resolver(node bytes32) constant returns(address) +func (_ENS *ENSCallerSession) Resolver(node [32]byte) (common.Address, error) { + return _ENS.Contract.Resolver(&_ENS.CallOpts, node) +} + +// SetOwner is a paid mutator transaction binding the contract method 0x5b0fc9c3. +// +// Solidity: function setOwner(node bytes32, owner address) returns() +func (_ENS *ENSTransactor) SetOwner(opts *bind.TransactOpts, node [32]byte, owner common.Address) (*types.Transaction, error) { + return _ENS.contract.Transact(opts, "setOwner", node, owner) +} + +// SetOwner is a paid mutator transaction binding the contract method 0x5b0fc9c3. +// +// Solidity: function setOwner(node bytes32, owner address) returns() +func (_ENS *ENSSession) SetOwner(node [32]byte, owner common.Address) (*types.Transaction, error) { + return _ENS.Contract.SetOwner(&_ENS.TransactOpts, node, owner) +} + +// SetOwner is a paid mutator transaction binding the contract method 0x5b0fc9c3. +// +// Solidity: function setOwner(node bytes32, owner address) returns() +func (_ENS *ENSTransactorSession) SetOwner(node [32]byte, owner common.Address) (*types.Transaction, error) { + return _ENS.Contract.SetOwner(&_ENS.TransactOpts, node, owner) +} + +// SetResolver is a paid mutator transaction binding the contract method 0x1896f70a. +// +// Solidity: function setResolver(node bytes32, resolver address) returns() +func (_ENS *ENSTransactor) SetResolver(opts *bind.TransactOpts, node [32]byte, resolver common.Address) (*types.Transaction, error) { + return _ENS.contract.Transact(opts, "setResolver", node, resolver) +} + +// SetResolver is a paid mutator transaction binding the contract method 0x1896f70a. +// +// Solidity: function setResolver(node bytes32, resolver address) returns() +func (_ENS *ENSSession) SetResolver(node [32]byte, resolver common.Address) (*types.Transaction, error) { + return _ENS.Contract.SetResolver(&_ENS.TransactOpts, node, resolver) +} + +// SetResolver is a paid mutator transaction binding the contract method 0x1896f70a. +// +// Solidity: function setResolver(node bytes32, resolver address) returns() +func (_ENS *ENSTransactorSession) SetResolver(node [32]byte, resolver common.Address) (*types.Transaction, error) { + return _ENS.Contract.SetResolver(&_ENS.TransactOpts, node, resolver) +} + +// FIFSRegistrarABI is the input ABI used to generate the binding from. +const FIFSRegistrarABI = `[{"constant":false,"inputs":[{"name":"subnode","type":"bytes32"},{"name":"owner","type":"address"}],"name":"register","outputs":[],"type":"function"},{"inputs":[{"name":"ensAddr","type":"address"},{"name":"node","type":"bytes32"}],"type":"constructor"}]` + +// FIFSRegistrarBin is the compiled bytecode used for deploying new contracts. +const FIFSRegistrarBin = `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` + +// DeployFIFSRegistrar deploys a new Ethereum contract, binding an instance of FIFSRegistrar to it. +func DeployFIFSRegistrar(auth *bind.TransactOpts, backend bind.ContractBackend, ensAddr common.Address, node [32]byte) (common.Address, *types.Transaction, *FIFSRegistrar, error) { + parsed, err := abi.JSON(strings.NewReader(FIFSRegistrarABI)) + if err != nil { + return common.Address{}, nil, nil, err + } + address, tx, contract, err := bind.DeployContract(auth, parsed, common.FromHex(FIFSRegistrarBin), backend, ensAddr, node) + if err != nil { + return common.Address{}, nil, nil, err + } + return address, tx, &FIFSRegistrar{FIFSRegistrarCaller: FIFSRegistrarCaller{contract: contract}, FIFSRegistrarTransactor: FIFSRegistrarTransactor{contract: contract}}, nil +} + +// FIFSRegistrar is an auto generated Go binding around an Ethereum contract. +type FIFSRegistrar struct { + FIFSRegistrarCaller // Read-only binding to the contract + FIFSRegistrarTransactor // Write-only binding to the contract +} + +// FIFSRegistrarCaller is an auto generated read-only Go binding around an Ethereum contract. +type FIFSRegistrarCaller struct { + contract *bind.BoundContract // Generic contract wrapper for the low level calls +} + +// FIFSRegistrarTransactor is an auto generated write-only Go binding around an Ethereum contract. +type FIFSRegistrarTransactor struct { + contract *bind.BoundContract // Generic contract wrapper for the low level calls +} + +// FIFSRegistrarSession is an auto generated Go binding around an Ethereum contract, +// with pre-set call and transact options. +type FIFSRegistrarSession struct { + Contract *FIFSRegistrar // Generic contract binding to set the session for + CallOpts bind.CallOpts // Call options to use throughout this session + TransactOpts bind.TransactOpts // Transaction auth options to use throughout this session +} + +// FIFSRegistrarCallerSession is an auto generated read-only Go binding around an Ethereum contract, +// with pre-set call options. +type FIFSRegistrarCallerSession struct { + Contract *FIFSRegistrarCaller // Generic contract caller binding to set the session for + CallOpts bind.CallOpts // Call options to use throughout this session +} + +// FIFSRegistrarTransactorSession is an auto generated write-only Go binding around an Ethereum contract, +// with pre-set transact options. +type FIFSRegistrarTransactorSession struct { + Contract *FIFSRegistrarTransactor // Generic contract transactor binding to set the session for + TransactOpts bind.TransactOpts // Transaction auth options to use throughout this session +} + +// FIFSRegistrarRaw is an auto generated low-level Go binding around an Ethereum contract. +type FIFSRegistrarRaw struct { + Contract *FIFSRegistrar // Generic contract binding to access the raw methods on +} + +// FIFSRegistrarCallerRaw is an auto generated low-level read-only Go binding around an Ethereum contract. +type FIFSRegistrarCallerRaw struct { + Contract *FIFSRegistrarCaller // Generic read-only contract binding to access the raw methods on +} + +// FIFSRegistrarTransactorRaw is an auto generated low-level write-only Go binding around an Ethereum contract. +type FIFSRegistrarTransactorRaw struct { + Contract *FIFSRegistrarTransactor // Generic write-only contract binding to access the raw methods on +} + +// NewFIFSRegistrar creates a new instance of FIFSRegistrar, bound to a specific deployed contract. +func NewFIFSRegistrar(address common.Address, backend bind.ContractBackend) (*FIFSRegistrar, error) { + contract, err := bindFIFSRegistrar(address, backend.(bind.ContractCaller), backend.(bind.ContractTransactor)) + if err != nil { + return nil, err + } + return &FIFSRegistrar{FIFSRegistrarCaller: FIFSRegistrarCaller{contract: contract}, FIFSRegistrarTransactor: FIFSRegistrarTransactor{contract: contract}}, nil +} + +// NewFIFSRegistrarCaller creates a new read-only instance of FIFSRegistrar, bound to a specific deployed contract. +func NewFIFSRegistrarCaller(address common.Address, caller bind.ContractCaller) (*FIFSRegistrarCaller, error) { + contract, err := bindFIFSRegistrar(address, caller, nil) + if err != nil { + return nil, err + } + return &FIFSRegistrarCaller{contract: contract}, nil +} + +// NewFIFSRegistrarTransactor creates a new write-only instance of FIFSRegistrar, bound to a specific deployed contract. +func NewFIFSRegistrarTransactor(address common.Address, transactor bind.ContractTransactor) (*FIFSRegistrarTransactor, error) { + contract, err := bindFIFSRegistrar(address, nil, transactor) + if err != nil { + return nil, err + } + return &FIFSRegistrarTransactor{contract: contract}, nil +} + +// bindFIFSRegistrar binds a generic wrapper to an already deployed contract. +func bindFIFSRegistrar(address common.Address, caller bind.ContractCaller, transactor bind.ContractTransactor) (*bind.BoundContract, error) { + parsed, err := abi.JSON(strings.NewReader(FIFSRegistrarABI)) + if err != nil { + return nil, err + } + return bind.NewBoundContract(address, parsed, caller, transactor), nil +} + +// Call invokes the (constant) contract method with params as input values and +// sets the output to result. The result type might be a single field for simple +// returns, a slice of interfaces for anonymous returns and a struct for named +// returns. +func (_FIFSRegistrar *FIFSRegistrarRaw) Call(opts *bind.CallOpts, result interface{}, method string, params ...interface{}) error { + return _FIFSRegistrar.Contract.FIFSRegistrarCaller.contract.Call(opts, result, method, params...) +} + +// Transfer initiates a plain transaction to move funds to the contract, calling +// its default method if one is available. +func (_FIFSRegistrar *FIFSRegistrarRaw) Transfer(opts *bind.TransactOpts) (*types.Transaction, error) { + return _FIFSRegistrar.Contract.FIFSRegistrarTransactor.contract.Transfer(opts) +} + +// Transact invokes the (paid) contract method with params as input values. +func (_FIFSRegistrar *FIFSRegistrarRaw) Transact(opts *bind.TransactOpts, method string, params ...interface{}) (*types.Transaction, error) { + return _FIFSRegistrar.Contract.FIFSRegistrarTransactor.contract.Transact(opts, method, params...) +} + +// Call invokes the (constant) contract method with params as input values and +// sets the output to result. The result type might be a single field for simple +// returns, a slice of interfaces for anonymous returns and a struct for named +// returns. +func (_FIFSRegistrar *FIFSRegistrarCallerRaw) Call(opts *bind.CallOpts, result interface{}, method string, params ...interface{}) error { + return _FIFSRegistrar.Contract.contract.Call(opts, result, method, params...) +} + +// Transfer initiates a plain transaction to move funds to the contract, calling +// its default method if one is available. +func (_FIFSRegistrar *FIFSRegistrarTransactorRaw) Transfer(opts *bind.TransactOpts) (*types.Transaction, error) { + return _FIFSRegistrar.Contract.contract.Transfer(opts) +} + +// Transact invokes the (paid) contract method with params as input values. +func (_FIFSRegistrar *FIFSRegistrarTransactorRaw) Transact(opts *bind.TransactOpts, method string, params ...interface{}) (*types.Transaction, error) { + return _FIFSRegistrar.Contract.contract.Transact(opts, method, params...) +} + +// Register is a paid mutator transaction binding the contract method 0xd22057a9. +// +// Solidity: function register(subnode bytes32, owner address) returns() +func (_FIFSRegistrar *FIFSRegistrarTransactor) Register(opts *bind.TransactOpts, subnode [32]byte, owner common.Address) (*types.Transaction, error) { + return _FIFSRegistrar.contract.Transact(opts, "register", subnode, owner) +} + +// Register is a paid mutator transaction binding the contract method 0xd22057a9. +// +// Solidity: function register(subnode bytes32, owner address) returns() +func (_FIFSRegistrar *FIFSRegistrarSession) Register(subnode [32]byte, owner common.Address) (*types.Transaction, error) { + return _FIFSRegistrar.Contract.Register(&_FIFSRegistrar.TransactOpts, subnode, owner) +} + +// Register is a paid mutator transaction binding the contract method 0xd22057a9. +// +// Solidity: function register(subnode bytes32, owner address) returns() +func (_FIFSRegistrar *FIFSRegistrarTransactorSession) Register(subnode [32]byte, owner common.Address) (*types.Transaction, error) { + return _FIFSRegistrar.Contract.Register(&_FIFSRegistrar.TransactOpts, subnode, owner) +} + +// PublicResolverABI is the input ABI used to generate the binding from. +const PublicResolverABI = `[{"constant":true,"inputs":[{"name":"node","type":"bytes32"}],"name":"content","outputs":[{"name":"ret","type":"bytes32"}],"type":"function"},{"constant":true,"inputs":[{"name":"node","type":"bytes32"}],"name":"addr","outputs":[{"name":"ret","type":"address"}],"type":"function"},{"constant":false,"inputs":[{"name":"node","type":"bytes32"},{"name":"kind","type":"bytes32"}],"name":"has","outputs":[{"name":"","type":"bool"}],"type":"function"},{"constant":false,"inputs":[{"name":"node","type":"bytes32"},{"name":"hash","type":"bytes32"}],"name":"setContent","outputs":[],"type":"function"},{"constant":false,"inputs":[{"name":"node","type":"bytes32"},{"name":"addr","type":"address"}],"name":"setAddr","outputs":[],"type":"function"},{"inputs":[{"name":"ensAddr","type":"address"}],"type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"name":"node","type":"bytes32"},{"indexed":false,"name":"a","type":"address"}],"name":"AddrChanged","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"node","type":"bytes32"},{"indexed":false,"name":"hash","type":"bytes32"}],"name":"ContentChanged","type":"event"}]` + +// PublicResolverBin is the compiled bytecode used for deploying new contracts. +const PublicResolverBin = `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` + +// DeployPublicResolver deploys a new Ethereum contract, binding an instance of PublicResolver to it. +func DeployPublicResolver(auth *bind.TransactOpts, backend bind.ContractBackend, ensAddr common.Address) (common.Address, *types.Transaction, *PublicResolver, error) { + parsed, err := abi.JSON(strings.NewReader(PublicResolverABI)) + if err != nil { + return common.Address{}, nil, nil, err + } + address, tx, contract, err := bind.DeployContract(auth, parsed, common.FromHex(PublicResolverBin), backend, ensAddr) + if err != nil { + return common.Address{}, nil, nil, err + } + return address, tx, &PublicResolver{PublicResolverCaller: PublicResolverCaller{contract: contract}, PublicResolverTransactor: PublicResolverTransactor{contract: contract}}, nil +} + +// PublicResolver is an auto generated Go binding around an Ethereum contract. +type PublicResolver struct { + PublicResolverCaller // Read-only binding to the contract + PublicResolverTransactor // Write-only binding to the contract +} + +// PublicResolverCaller is an auto generated read-only Go binding around an Ethereum contract. +type PublicResolverCaller struct { + contract *bind.BoundContract // Generic contract wrapper for the low level calls +} + +// PublicResolverTransactor is an auto generated write-only Go binding around an Ethereum contract. +type PublicResolverTransactor struct { + contract *bind.BoundContract // Generic contract wrapper for the low level calls +} + +// PublicResolverSession is an auto generated Go binding around an Ethereum contract, +// with pre-set call and transact options. +type PublicResolverSession struct { + Contract *PublicResolver // Generic contract binding to set the session for + CallOpts bind.CallOpts // Call options to use throughout this session + TransactOpts bind.TransactOpts // Transaction auth options to use throughout this session +} + +// PublicResolverCallerSession is an auto generated read-only Go binding around an Ethereum contract, +// with pre-set call options. +type PublicResolverCallerSession struct { + Contract *PublicResolverCaller // Generic contract caller binding to set the session for + CallOpts bind.CallOpts // Call options to use throughout this session +} + +// PublicResolverTransactorSession is an auto generated write-only Go binding around an Ethereum contract, +// with pre-set transact options. +type PublicResolverTransactorSession struct { + Contract *PublicResolverTransactor // Generic contract transactor binding to set the session for + TransactOpts bind.TransactOpts // Transaction auth options to use throughout this session +} + +// PublicResolverRaw is an auto generated low-level Go binding around an Ethereum contract. +type PublicResolverRaw struct { + Contract *PublicResolver // Generic contract binding to access the raw methods on +} + +// PublicResolverCallerRaw is an auto generated low-level read-only Go binding around an Ethereum contract. +type PublicResolverCallerRaw struct { + Contract *PublicResolverCaller // Generic read-only contract binding to access the raw methods on +} + +// PublicResolverTransactorRaw is an auto generated low-level write-only Go binding around an Ethereum contract. +type PublicResolverTransactorRaw struct { + Contract *PublicResolverTransactor // Generic write-only contract binding to access the raw methods on +} + +// NewPublicResolver creates a new instance of PublicResolver, bound to a specific deployed contract. +func NewPublicResolver(address common.Address, backend bind.ContractBackend) (*PublicResolver, error) { + contract, err := bindPublicResolver(address, backend.(bind.ContractCaller), backend.(bind.ContractTransactor)) + if err != nil { + return nil, err + } + return &PublicResolver{PublicResolverCaller: PublicResolverCaller{contract: contract}, PublicResolverTransactor: PublicResolverTransactor{contract: contract}}, nil +} + +// NewPublicResolverCaller creates a new read-only instance of PublicResolver, bound to a specific deployed contract. +func NewPublicResolverCaller(address common.Address, caller bind.ContractCaller) (*PublicResolverCaller, error) { + contract, err := bindPublicResolver(address, caller, nil) + if err != nil { + return nil, err + } + return &PublicResolverCaller{contract: contract}, nil +} + +// NewPublicResolverTransactor creates a new write-only instance of PublicResolver, bound to a specific deployed contract. +func NewPublicResolverTransactor(address common.Address, transactor bind.ContractTransactor) (*PublicResolverTransactor, error) { + contract, err := bindPublicResolver(address, nil, transactor) + if err != nil { + return nil, err + } + return &PublicResolverTransactor{contract: contract}, nil +} + +// bindPublicResolver binds a generic wrapper to an already deployed contract. +func bindPublicResolver(address common.Address, caller bind.ContractCaller, transactor bind.ContractTransactor) (*bind.BoundContract, error) { + parsed, err := abi.JSON(strings.NewReader(PublicResolverABI)) + if err != nil { + return nil, err + } + return bind.NewBoundContract(address, parsed, caller, transactor), nil +} + +// Call invokes the (constant) contract method with params as input values and +// sets the output to result. The result type might be a single field for simple +// returns, a slice of interfaces for anonymous returns and a struct for named +// returns. +func (_PublicResolver *PublicResolverRaw) Call(opts *bind.CallOpts, result interface{}, method string, params ...interface{}) error { + return _PublicResolver.Contract.PublicResolverCaller.contract.Call(opts, result, method, params...) +} + +// Transfer initiates a plain transaction to move funds to the contract, calling +// its default method if one is available. +func (_PublicResolver *PublicResolverRaw) Transfer(opts *bind.TransactOpts) (*types.Transaction, error) { + return _PublicResolver.Contract.PublicResolverTransactor.contract.Transfer(opts) +} + +// Transact invokes the (paid) contract method with params as input values. +func (_PublicResolver *PublicResolverRaw) Transact(opts *bind.TransactOpts, method string, params ...interface{}) (*types.Transaction, error) { + return _PublicResolver.Contract.PublicResolverTransactor.contract.Transact(opts, method, params...) +} + +// Call invokes the (constant) contract method with params as input values and +// sets the output to result. The result type might be a single field for simple +// returns, a slice of interfaces for anonymous returns and a struct for named +// returns. +func (_PublicResolver *PublicResolverCallerRaw) Call(opts *bind.CallOpts, result interface{}, method string, params ...interface{}) error { + return _PublicResolver.Contract.contract.Call(opts, result, method, params...) +} + +// Transfer initiates a plain transaction to move funds to the contract, calling +// its default method if one is available. +func (_PublicResolver *PublicResolverTransactorRaw) Transfer(opts *bind.TransactOpts) (*types.Transaction, error) { + return _PublicResolver.Contract.contract.Transfer(opts) +} + +// Transact invokes the (paid) contract method with params as input values. +func (_PublicResolver *PublicResolverTransactorRaw) Transact(opts *bind.TransactOpts, method string, params ...interface{}) (*types.Transaction, error) { + return _PublicResolver.Contract.contract.Transact(opts, method, params...) +} + +// Addr is a free data retrieval call binding the contract method 0x3b3b57de. +// +// Solidity: function addr(node bytes32) constant returns(ret address) +func (_PublicResolver *PublicResolverCaller) Addr(opts *bind.CallOpts, node [32]byte) (common.Address, error) { + var ( + ret0 = new(common.Address) + ) + out := ret0 + err := _PublicResolver.contract.Call(opts, out, "addr", node) + return *ret0, err +} + +// Addr is a free data retrieval call binding the contract method 0x3b3b57de. +// +// Solidity: function addr(node bytes32) constant returns(ret address) +func (_PublicResolver *PublicResolverSession) Addr(node [32]byte) (common.Address, error) { + return _PublicResolver.Contract.Addr(&_PublicResolver.CallOpts, node) +} + +// Addr is a free data retrieval call binding the contract method 0x3b3b57de. +// +// Solidity: function addr(node bytes32) constant returns(ret address) +func (_PublicResolver *PublicResolverCallerSession) Addr(node [32]byte) (common.Address, error) { + return _PublicResolver.Contract.Addr(&_PublicResolver.CallOpts, node) +} + +// Content is a free data retrieval call binding the contract method 0x2dff6941. +// +// Solidity: function content(node bytes32) constant returns(ret bytes32) +func (_PublicResolver *PublicResolverCaller) Content(opts *bind.CallOpts, node [32]byte) ([32]byte, error) { + var ( + ret0 = new([32]byte) + ) + out := ret0 + err := _PublicResolver.contract.Call(opts, out, "content", node) + return *ret0, err +} + +// Content is a free data retrieval call binding the contract method 0x2dff6941. +// +// Solidity: function content(node bytes32) constant returns(ret bytes32) +func (_PublicResolver *PublicResolverSession) Content(node [32]byte) ([32]byte, error) { + return _PublicResolver.Contract.Content(&_PublicResolver.CallOpts, node) +} + +// Content is a free data retrieval call binding the contract method 0x2dff6941. +// +// Solidity: function content(node bytes32) constant returns(ret bytes32) +func (_PublicResolver *PublicResolverCallerSession) Content(node [32]byte) ([32]byte, error) { + return _PublicResolver.Contract.Content(&_PublicResolver.CallOpts, node) +} + +// Has is a paid mutator transaction binding the contract method 0x41b9dc2b. +// +// Solidity: function has(node bytes32, kind bytes32) returns(bool) +func (_PublicResolver *PublicResolverTransactor) Has(opts *bind.TransactOpts, node [32]byte, kind [32]byte) (*types.Transaction, error) { + return _PublicResolver.contract.Transact(opts, "has", node, kind) +} + +// Has is a paid mutator transaction binding the contract method 0x41b9dc2b. +// +// Solidity: function has(node bytes32, kind bytes32) returns(bool) +func (_PublicResolver *PublicResolverSession) Has(node [32]byte, kind [32]byte) (*types.Transaction, error) { + return _PublicResolver.Contract.Has(&_PublicResolver.TransactOpts, node, kind) +} + +// Has is a paid mutator transaction binding the contract method 0x41b9dc2b. +// +// Solidity: function has(node bytes32, kind bytes32) returns(bool) +func (_PublicResolver *PublicResolverTransactorSession) Has(node [32]byte, kind [32]byte) (*types.Transaction, error) { + return _PublicResolver.Contract.Has(&_PublicResolver.TransactOpts, node, kind) +} + +// SetAddr is a paid mutator transaction binding the contract method 0xd5fa2b00. +// +// Solidity: function setAddr(node bytes32, addr address) returns() +func (_PublicResolver *PublicResolverTransactor) SetAddr(opts *bind.TransactOpts, node [32]byte, addr common.Address) (*types.Transaction, error) { + return _PublicResolver.contract.Transact(opts, "setAddr", node, addr) +} + +// SetAddr is a paid mutator transaction binding the contract method 0xd5fa2b00. +// +// Solidity: function setAddr(node bytes32, addr address) returns() +func (_PublicResolver *PublicResolverSession) SetAddr(node [32]byte, addr common.Address) (*types.Transaction, error) { + return _PublicResolver.Contract.SetAddr(&_PublicResolver.TransactOpts, node, addr) +} + +// SetAddr is a paid mutator transaction binding the contract method 0xd5fa2b00. +// +// Solidity: function setAddr(node bytes32, addr address) returns() +func (_PublicResolver *PublicResolverTransactorSession) SetAddr(node [32]byte, addr common.Address) (*types.Transaction, error) { + return _PublicResolver.Contract.SetAddr(&_PublicResolver.TransactOpts, node, addr) +} + +// SetContent is a paid mutator transaction binding the contract method 0xc3d014d6. +// +// Solidity: function setContent(node bytes32, hash bytes32) returns() +func (_PublicResolver *PublicResolverTransactor) SetContent(opts *bind.TransactOpts, node [32]byte, hash [32]byte) (*types.Transaction, error) { + return _PublicResolver.contract.Transact(opts, "setContent", node, hash) +} + +// SetContent is a paid mutator transaction binding the contract method 0xc3d014d6. +// +// Solidity: function setContent(node bytes32, hash bytes32) returns() +func (_PublicResolver *PublicResolverSession) SetContent(node [32]byte, hash [32]byte) (*types.Transaction, error) { + return _PublicResolver.Contract.SetContent(&_PublicResolver.TransactOpts, node, hash) +} + +// SetContent is a paid mutator transaction binding the contract method 0xc3d014d6. +// +// Solidity: function setContent(node bytes32, hash bytes32) returns() +func (_PublicResolver *PublicResolverTransactorSession) SetContent(node [32]byte, hash [32]byte) (*types.Transaction, error) { + return _PublicResolver.Contract.SetContent(&_PublicResolver.TransactOpts, node, hash) +} + +// ResolverABI is the input ABI used to generate the binding from. +const ResolverABI = `[{"constant":true,"inputs":[{"name":"node","type":"bytes32"}],"name":"content","outputs":[{"name":"ret","type":"bytes32"}],"type":"function"},{"constant":true,"inputs":[{"name":"node","type":"bytes32"}],"name":"addr","outputs":[{"name":"ret","type":"address"}],"type":"function"},{"constant":false,"inputs":[{"name":"node","type":"bytes32"},{"name":"kind","type":"bytes32"}],"name":"has","outputs":[{"name":"","type":"bool"}],"type":"function"},{"anonymous":false,"inputs":[{"indexed":true,"name":"node","type":"bytes32"},{"indexed":false,"name":"a","type":"address"}],"name":"AddrChanged","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"node","type":"bytes32"},{"indexed":false,"name":"hash","type":"bytes32"}],"name":"ContentChanged","type":"event"}]` + +// ResolverBin is the compiled bytecode used for deploying new contracts. +const ResolverBin = `0x` + +// DeployResolver deploys a new Ethereum contract, binding an instance of Resolver to it. +func DeployResolver(auth *bind.TransactOpts, backend bind.ContractBackend) (common.Address, *types.Transaction, *Resolver, error) { + parsed, err := abi.JSON(strings.NewReader(ResolverABI)) + if err != nil { + return common.Address{}, nil, nil, err + } + address, tx, contract, err := bind.DeployContract(auth, parsed, common.FromHex(ResolverBin), backend) + if err != nil { + return common.Address{}, nil, nil, err + } + return address, tx, &Resolver{ResolverCaller: ResolverCaller{contract: contract}, ResolverTransactor: ResolverTransactor{contract: contract}}, nil +} + +// Resolver is an auto generated Go binding around an Ethereum contract. +type Resolver struct { + ResolverCaller // Read-only binding to the contract + ResolverTransactor // Write-only binding to the contract +} + +// ResolverCaller is an auto generated read-only Go binding around an Ethereum contract. +type ResolverCaller struct { + contract *bind.BoundContract // Generic contract wrapper for the low level calls +} + +// ResolverTransactor is an auto generated write-only Go binding around an Ethereum contract. +type ResolverTransactor struct { + contract *bind.BoundContract // Generic contract wrapper for the low level calls +} + +// ResolverSession is an auto generated Go binding around an Ethereum contract, +// with pre-set call and transact options. +type ResolverSession struct { + Contract *Resolver // Generic contract binding to set the session for + CallOpts bind.CallOpts // Call options to use throughout this session + TransactOpts bind.TransactOpts // Transaction auth options to use throughout this session +} + +// ResolverCallerSession is an auto generated read-only Go binding around an Ethereum contract, +// with pre-set call options. +type ResolverCallerSession struct { + Contract *ResolverCaller // Generic contract caller binding to set the session for + CallOpts bind.CallOpts // Call options to use throughout this session +} + +// ResolverTransactorSession is an auto generated write-only Go binding around an Ethereum contract, +// with pre-set transact options. +type ResolverTransactorSession struct { + Contract *ResolverTransactor // Generic contract transactor binding to set the session for + TransactOpts bind.TransactOpts // Transaction auth options to use throughout this session +} + +// ResolverRaw is an auto generated low-level Go binding around an Ethereum contract. +type ResolverRaw struct { + Contract *Resolver // Generic contract binding to access the raw methods on +} + +// ResolverCallerRaw is an auto generated low-level read-only Go binding around an Ethereum contract. +type ResolverCallerRaw struct { + Contract *ResolverCaller // Generic read-only contract binding to access the raw methods on +} + +// ResolverTransactorRaw is an auto generated low-level write-only Go binding around an Ethereum contract. +type ResolverTransactorRaw struct { + Contract *ResolverTransactor // Generic write-only contract binding to access the raw methods on +} + +// NewResolver creates a new instance of Resolver, bound to a specific deployed contract. +func NewResolver(address common.Address, backend bind.ContractBackend) (*Resolver, error) { + contract, err := bindResolver(address, backend.(bind.ContractCaller), backend.(bind.ContractTransactor)) + if err != nil { + return nil, err + } + return &Resolver{ResolverCaller: ResolverCaller{contract: contract}, ResolverTransactor: ResolverTransactor{contract: contract}}, nil +} + +// NewResolverCaller creates a new read-only instance of Resolver, bound to a specific deployed contract. +func NewResolverCaller(address common.Address, caller bind.ContractCaller) (*ResolverCaller, error) { + contract, err := bindResolver(address, caller, nil) + if err != nil { + return nil, err + } + return &ResolverCaller{contract: contract}, nil +} + +// NewResolverTransactor creates a new write-only instance of Resolver, bound to a specific deployed contract. +func NewResolverTransactor(address common.Address, transactor bind.ContractTransactor) (*ResolverTransactor, error) { + contract, err := bindResolver(address, nil, transactor) + if err != nil { + return nil, err + } + return &ResolverTransactor{contract: contract}, nil +} + +// bindResolver binds a generic wrapper to an already deployed contract. +func bindResolver(address common.Address, caller bind.ContractCaller, transactor bind.ContractTransactor) (*bind.BoundContract, error) { + parsed, err := abi.JSON(strings.NewReader(ResolverABI)) + if err != nil { + return nil, err + } + return bind.NewBoundContract(address, parsed, caller, transactor), nil +} + +// Call invokes the (constant) contract method with params as input values and +// sets the output to result. The result type might be a single field for simple +// returns, a slice of interfaces for anonymous returns and a struct for named +// returns. +func (_Resolver *ResolverRaw) Call(opts *bind.CallOpts, result interface{}, method string, params ...interface{}) error { + return _Resolver.Contract.ResolverCaller.contract.Call(opts, result, method, params...) +} + +// Transfer initiates a plain transaction to move funds to the contract, calling +// its default method if one is available. +func (_Resolver *ResolverRaw) Transfer(opts *bind.TransactOpts) (*types.Transaction, error) { + return _Resolver.Contract.ResolverTransactor.contract.Transfer(opts) +} + +// Transact invokes the (paid) contract method with params as input values. +func (_Resolver *ResolverRaw) Transact(opts *bind.TransactOpts, method string, params ...interface{}) (*types.Transaction, error) { + return _Resolver.Contract.ResolverTransactor.contract.Transact(opts, method, params...) +} + +// Call invokes the (constant) contract method with params as input values and +// sets the output to result. The result type might be a single field for simple +// returns, a slice of interfaces for anonymous returns and a struct for named +// returns. +func (_Resolver *ResolverCallerRaw) Call(opts *bind.CallOpts, result interface{}, method string, params ...interface{}) error { + return _Resolver.Contract.contract.Call(opts, result, method, params...) +} + +// Transfer initiates a plain transaction to move funds to the contract, calling +// its default method if one is available. +func (_Resolver *ResolverTransactorRaw) Transfer(opts *bind.TransactOpts) (*types.Transaction, error) { + return _Resolver.Contract.contract.Transfer(opts) +} + +// Transact invokes the (paid) contract method with params as input values. +func (_Resolver *ResolverTransactorRaw) Transact(opts *bind.TransactOpts, method string, params ...interface{}) (*types.Transaction, error) { + return _Resolver.Contract.contract.Transact(opts, method, params...) +} + +// Addr is a free data retrieval call binding the contract method 0x3b3b57de. +// +// Solidity: function addr(node bytes32) constant returns(ret address) +func (_Resolver *ResolverCaller) Addr(opts *bind.CallOpts, node [32]byte) (common.Address, error) { + var ( + ret0 = new(common.Address) + ) + out := ret0 + err := _Resolver.contract.Call(opts, out, "addr", node) + return *ret0, err +} + +// Addr is a free data retrieval call binding the contract method 0x3b3b57de. +// +// Solidity: function addr(node bytes32) constant returns(ret address) +func (_Resolver *ResolverSession) Addr(node [32]byte) (common.Address, error) { + return _Resolver.Contract.Addr(&_Resolver.CallOpts, node) +} + +// Addr is a free data retrieval call binding the contract method 0x3b3b57de. +// +// Solidity: function addr(node bytes32) constant returns(ret address) +func (_Resolver *ResolverCallerSession) Addr(node [32]byte) (common.Address, error) { + return _Resolver.Contract.Addr(&_Resolver.CallOpts, node) +} + +// Content is a free data retrieval call binding the contract method 0x2dff6941. +// +// Solidity: function content(node bytes32) constant returns(ret bytes32) +func (_Resolver *ResolverCaller) Content(opts *bind.CallOpts, node [32]byte) ([32]byte, error) { + var ( + ret0 = new([32]byte) + ) + out := ret0 + err := _Resolver.contract.Call(opts, out, "content", node) + return *ret0, err +} + +// Content is a free data retrieval call binding the contract method 0x2dff6941. +// +// Solidity: function content(node bytes32) constant returns(ret bytes32) +func (_Resolver *ResolverSession) Content(node [32]byte) ([32]byte, error) { + return _Resolver.Contract.Content(&_Resolver.CallOpts, node) +} + +// Content is a free data retrieval call binding the contract method 0x2dff6941. +// +// Solidity: function content(node bytes32) constant returns(ret bytes32) +func (_Resolver *ResolverCallerSession) Content(node [32]byte) ([32]byte, error) { + return _Resolver.Contract.Content(&_Resolver.CallOpts, node) +} + +// Has is a paid mutator transaction binding the contract method 0x41b9dc2b. +// +// Solidity: function has(node bytes32, kind bytes32) returns(bool) +func (_Resolver *ResolverTransactor) Has(opts *bind.TransactOpts, node [32]byte, kind [32]byte) (*types.Transaction, error) { + return _Resolver.contract.Transact(opts, "has", node, kind) +} + +// Has is a paid mutator transaction binding the contract method 0x41b9dc2b. +// +// Solidity: function has(node bytes32, kind bytes32) returns(bool) +func (_Resolver *ResolverSession) Has(node [32]byte, kind [32]byte) (*types.Transaction, error) { + return _Resolver.Contract.Has(&_Resolver.TransactOpts, node, kind) +} + +// Has is a paid mutator transaction binding the contract method 0x41b9dc2b. +// +// Solidity: function has(node bytes32, kind bytes32) returns(bool) +func (_Resolver *ResolverTransactorSession) Has(node [32]byte, kind [32]byte) (*types.Transaction, error) { + return _Resolver.Contract.Has(&_Resolver.TransactOpts, node, kind) +} diff --git a/contracts/ens/contract/ens.sol b/contracts/ens/contract/ens.sol new file mode 100644 index 000000000..2edf32692 --- /dev/null +++ b/contracts/ens/contract/ens.sol @@ -0,0 +1,226 @@ +// Ethereum Name Service contracts by Nick Johnson <nick@ethereum.org> +// +// To the extent possible under law, the person who associated CC0 with +// ENS contracts has waived all copyright and related or neighboring rights +// to ENS. +// +// You should have received a copy of the CC0 legalcode along with this +// work. If not, see <http://creativecommons.org/publicdomain/zero/1.0/>. + +/** + * The ENS registry contract. + */ +contract ENS { + struct Record { + address owner; + address resolver; + } + + mapping(bytes32=>Record) records; + + // Logged when the owner of a node assigns a new owner to a subnode. + event NewOwner(bytes32 indexed node, bytes32 indexed label, address owner); + + // Logged when the owner of a node transfers ownership to a new account. + event Transfer(bytes32 indexed node, address owner); + + // Logged when the owner of a node changes the resolver for that node. + event NewResolver(bytes32 indexed node, address resolver); + + // Permits modifications only by the owner of the specified node. + modifier only_owner(bytes32 node) { + if(records[node].owner != msg.sender) throw; + _ + } + + /** + * Constructs a new ENS registrar, with the provided address as the owner of the root node. + */ + function ENS(address owner) { + records[0].owner = owner; + } + + /** + * Returns the address that owns the specified node. + */ + function owner(bytes32 node) constant returns (address) { + return records[node].owner; + } + + /** + * Returns the address of the resolver for the specified node. + */ + function resolver(bytes32 node) constant returns (address) { + return records[node].resolver; + } + + /** + * Transfers ownership of a node to a new address. May only be called by the current + * owner of the node. + * @param node The node to transfer ownership of. + * @param owner The address of the new owner. + */ + function setOwner(bytes32 node, address owner) only_owner(node) { + Transfer(node, owner); + records[node].owner = owner; + } + + /** + * Transfers ownership of a subnode sha3(node, label) to a new address. May only be + * called by the owner of the parent node. + * @param node The parent node. + * @param label The hash of the label specifying the subnode. + * @param owner The address of the new owner. + */ + function setOwner(bytes32 node, bytes32 label, address owner) only_owner(node) { + var subnode = sha3(node, label); + NewOwner(node, label, owner); + records[subnode].owner = owner; + } + + /** + * Sets the resolver address for the specified node. + * @param node The node to update. + * @param resolver The address of the resolver. + */ + function setResolver(bytes32 node, address resolver) only_owner(node) { + NewResolver(node, resolver); + records[node].resolver = resolver; + } +} + +/** + * A registrar that allocates subdomains to the first person to claim them. It also deploys + * a simple resolver contract and sets that as the default resolver on new names for + * convenience. + */ +contract FIFSRegistrar { + ENS ens; + PublicResolver defaultResolver; + bytes32 rootNode; + + /** + * Constructor. + * @param ensAddr The address of the ENS registry. + * @param node The node that this registrar administers. + */ + function FIFSRegistrar(address ensAddr, bytes32 node) { + ens = ENS(ensAddr); + defaultResolver = new PublicResolver(ensAddr); + rootNode = node; + } + + /** + * Register a name, or change the owner of an existing registration. + * @param subnode The hash of the label to register. + * @param owner The address of the new owner. + */ + function register(bytes32 subnode, address owner) { + var node = sha3(rootNode, subnode); + var currentOwner = ens.owner(node); + if(currentOwner != 0 && currentOwner != msg.sender) + throw; + + // Temporarily set ourselves as the owner + ens.setOwner(rootNode, subnode, this); + // Set up the default resolver + ens.setResolver(node, defaultResolver); + // Set the owner to the real owner + ens.setOwner(node, owner); + } +} + +contract Resolver { + event AddrChanged(bytes32 indexed node, address a); + event ContentChanged(bytes32 indexed node, bytes32 hash); + + function has(bytes32 node, bytes32 kind) returns (bool); + function addr(bytes32 node) constant returns (address ret); + function content(bytes32 node) constant returns (bytes32 ret); +} + +/** + * A simple resolver anyone can use; only allows the owner of a node to set its + * address. + */ +contract PublicResolver is Resolver { + ENS ens; + mapping(bytes32=>address) addresses; + mapping(bytes32=>bytes32) contents; + + modifier only_owner(bytes32 node) { + if(ens.owner(node) != msg.sender) throw; + _ + } + + /** + * Constructor. + * @param ensAddr The ENS registrar contract. + */ + function PublicResolver(address ensAddr) { + ens = ENS(ensAddr); + } + + /** + * Fallback function. + */ + function() { + throw; + } + + /** + * Returns true if the specified node has the specified record type. + * @param node The ENS node to query. + * @param kind The record type name, as specified in EIP137. + * @return True if this resolver has a record of the provided type on the + * provided node. + */ + function has(bytes32 node, bytes32 kind) returns (bool) { + return (kind == "addr" && addresses[node] != 0) || + (kind == "content" && contents[node] != 0); + } + + /** + * Returns the address associated with an ENS node. + * @param node The ENS node to query. + * @return The associated address. + */ + function addr(bytes32 node) constant returns (address ret) { + ret = addresses[node]; + if(ret == 0) + throw; + } + + /** + * Returns the content hash associated with an ENS node. + * @param node The ENS node to query. + * @return The associated content hash. + */ + function content(bytes32 node) constant returns (bytes32 ret) { + ret = contents[node]; + if(ret == 0) + throw; + } + + /** + * Sets the address associated with an ENS node. + * May only be called by the owner of that node in the ENS registry. + * @param node The node to update. + * @param addr The address to set. + */ + function setAddr(bytes32 node, address addr) only_owner(node) { + addresses[node] = addr; + AddrChanged(node, addr); + } + + /** + * Sets the content hash associated with an ENS node. + * May only be called by the owner of that node in the ENS registry. + * @param node The node to update. + * @param hash The content hash to set. + */ + function setContent(bytes32 node, bytes32 hash) only_owner(node) { + contents[node] = hash; + ContentChanged(node, hash); + } +} diff --git a/contracts/ens/ens.go b/contracts/ens/ens.go new file mode 100644 index 000000000..59147e183 --- /dev/null +++ b/contracts/ens/ens.go @@ -0,0 +1,178 @@ +// 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 + +import ( + "math/big" + "strings" + + "github.com/ethereum/go-ethereum/accounts/abi/bind" + "github.com/ethereum/go-ethereum/common" + "github.com/ethereum/go-ethereum/core/types" + "github.com/ethereum/go-ethereum/crypto" + "github.com/ethereum/go-ethereum/contracts/ens/contract" +) + +// 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) (*ENS, error) { + // Deploy the ENS registry + ensAddr, _, _, err := contract.DeployENS(transactOpts, contractBackend, transactOpts.From) + if err != nil { + return nil, err + } + + ens, err := NewENS(transactOpts, ensAddr, contractBackend) + if err != nil { + return nil, err + } + + // Deploy the registrar + regAddr, _, _, err := contract.DeployFIFSRegistrar(transactOpts, contractBackend, ensAddr, [32]byte{}) + if err != nil { + return nil, err + } + + // Set the registrar as owner of the ENS root + _, err = ens.SetOwner([32]byte{}, regAddr) + if err != nil { + return nil, err + } + + return 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 + } else { + 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 (self *ENS) getResolver(node [32]byte) (*contract.PublicResolverSession, error) { + resolverAddr, err := self.Resolver(node) + if err != nil { + return nil, err + } + + resolver, err := contract.NewPublicResolver(resolverAddr, self.contractBackend) + if err != nil { + return nil, err + } + + return &contract.PublicResolverSession{ + Contract: resolver, + TransactOpts: self.TransactOpts, + }, nil +} + +func (self *ENS) getRegistrar(node [32]byte) (*contract.FIFSRegistrarSession, error) { + registrarAddr, err := self.Owner(node) + if err != nil { + return nil, err + } + + registrar, err := contract.NewFIFSRegistrar(registrarAddr, self.contractBackend) + if err != nil { + return nil, err + } + + return &contract.FIFSRegistrarSession{ + Contract: registrar, + TransactOpts: self.TransactOpts, + }, nil +} + +// Resolve is a non-transactional call that returns the content hash associated with a name. +func (self *ENS) Resolve(name string) (common.Hash, error) { + node := ensNode(name) + + resolver, err := self.getResolver(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 +} + +// 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 (self *ENS) Register(name string) (*types.Transaction, error) { + parentNode, label := ensParentNode(name) + + registrar, err := self.getRegistrar(parentNode) + if err != nil { + return nil, err + } + + opts := self.TransactOpts + opts.GasLimit = big.NewInt(200000) + return registrar.Contract.Register(&opts, label, self.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 `setContent` function. +func (self *ENS) SetContentHash(name string, hash common.Hash) (*types.Transaction, error) { + node := ensNode(name) + + resolver, err := self.getResolver(node) + if err != nil { + return nil, err + } + + opts := self.TransactOpts + opts.GasLimit = big.NewInt(200000) + return resolver.Contract.SetContent(&opts, node, hash) +} diff --git a/contracts/ens/ens_test.go b/contracts/ens/ens_test.go new file mode 100644 index 000000000..760966873 --- /dev/null +++ b/contracts/ens/ens_test.go @@ -0,0 +1,67 @@ +// 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 + +import ( + "math/big" + "testing" + + "github.com/ethereum/go-ethereum/accounts/abi/bind" + "github.com/ethereum/go-ethereum/accounts/abi/bind/backends" + "github.com/ethereum/go-ethereum/core" + "github.com/ethereum/go-ethereum/crypto" +) + +var ( + key, _ = crypto.HexToECDSA("b71c71a67e1177ad4e901695e1b4b9ee17ae16c6668d313eac2f96dbcda3f291") + name = "my name on ENS" + hash = crypto.Sha3Hash([]byte("my content")) + addr = crypto.PubkeyToAddress(key.PublicKey) +) + +func TestENS(t *testing.T) { + contractBackend := backends.NewSimulatedBackend(core.GenesisAccount{Address: addr, Balance: big.NewInt(1000000000)}) + transactOpts := bind.NewKeyedTransactor(key) + // Workaround for bug estimating gas in the call to Register + transactOpts.GasLimit = big.NewInt(1000000) + + ens, err := DeployENS(transactOpts, contractBackend) + if err != nil { + t.Fatalf("expected no error, got %v", err) + } + contractBackend.Commit() + + _, err = ens.Register(name) + if err != nil { + t.Fatalf("expected no error, got %v", err) + } + contractBackend.Commit() + + _, err = ens.SetContentHash(name, hash) + if err != nil { + t.Fatalf("expected no error, got %v", err) + } + contractBackend.Commit() + + vhost, err := ens.Resolve(name) + if err != nil { + t.Fatalf("expected no error, got %v", err) + } + if vhost != hash { + t.Fatalf("resolve error, expected %v, got %v", hash.Hex(), vhost.Hex()) + } +} |