From 18d51d1de8e5bb31def0773c95db009ba57e46e8 Mon Sep 17 00:00:00 2001 From: Felix Lange Date: Fri, 11 Nov 2016 05:18:04 +0100 Subject: common/registrar: delete the old registrar code The registrar was broken, unmaintained and there is a much better replacement: ENS. (cherry picked from commit 6ca8f57b08d550613175260cab7633adcacbe6ab) --- common/registrar/contracts.go | 163 -------------- common/registrar/ethreg/api.go | 279 ------------------------ common/registrar/registrar.go | 436 ------------------------------------- common/registrar/registrar_test.go | 158 -------------- 4 files changed, 1036 deletions(-) delete mode 100644 common/registrar/contracts.go delete mode 100644 common/registrar/ethreg/api.go delete mode 100644 common/registrar/registrar.go delete mode 100644 common/registrar/registrar_test.go (limited to 'common') diff --git a/common/registrar/contracts.go b/common/registrar/contracts.go deleted file mode 100644 index cd80dfcab..000000000 --- a/common/registrar/contracts.go +++ /dev/null @@ -1,163 +0,0 @@ -// Copyright 2015 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 . - -package registrar - -const ( // built-in contracts address source code and evm code - UrlHintCode = "0x60c180600c6000396000f30060003560e060020a90048063300a3bbf14601557005b6024600435602435604435602a565b60006000f35b6000600084815260200190815260200160002054600160a060020a0316600014806078575033600160a060020a03166000600085815260200190815260200160002054600160a060020a0316145b607f5760bc565b336000600085815260200190815260200160002081905550806001600085815260200190815260200160002083610100811060b657005b01819055505b50505056" - - UrlHintSrc = ` -contract URLhint { - function register(uint256 _hash, uint8 idx, uint256 _url) { - if (owner[_hash] == 0 || owner[_hash] == msg.sender) { - owner[_hash] = msg.sender; - url[_hash][idx] = _url; - } - } - mapping (uint256 => address) owner; - (uint256 => uint256[256]) url; -} - ` - - HashRegCode = "0x609880600c6000396000f30060003560e060020a9004806331e12c2014601f578063d66d6c1014602b57005b6025603d565b60006000f35b6037600435602435605d565b60006000f35b600054600160a060020a0316600014605357605b565b336000819055505b565b600054600160a060020a031633600160a060020a031614607b576094565b8060016000848152602001908152602001600020819055505b505056" - - HashRegSrc = ` -contract HashReg { - function setowner() { - if (owner == 0) { - owner = msg.sender; - } - } - function register(uint256 _key, uint256 _content) { - if (msg.sender == owner) { - content[_key] = _content; - } - } - address owner; - mapping (uint256 => uint256) content; -} -` - - GlobalRegistrarSrc = ` -//sol - -import "owned"; - -contract NameRegister { - function addr(bytes32 _name) constant returns (address o_owner) {} - function name(address _owner) constant returns (bytes32 o_name) {} -} - -contract Registrar is NameRegister { - event Changed(bytes32 indexed name); - event PrimaryChanged(bytes32 indexed name, address indexed addr); - - function owner(bytes32 _name) constant returns (address o_owner) {} - function addr(bytes32 _name) constant returns (address o_address) {} - function subRegistrar(bytes32 _name) constant returns (address o_subRegistrar) {} - function content(bytes32 _name) constant returns (bytes32 o_content) {} - - function name(address _owner) constant returns (bytes32 o_name) {} -} - -contract GlobalRegistrar is Registrar { - struct Record { - address owner; - address primary; - address subRegistrar; - bytes32 content; - uint value; - uint renewalDate; - } - - function Registrar() { - // TODO: Populate with hall-of-fame. - } - - function reserve(bytes32 _name) { - // Don't allow the same name to be overwritten. - // TODO: bidding mechanism - if (m_toRecord[_name].owner == 0) { - m_toRecord[_name].owner = msg.sender; - Changed(_name); - } - } - - /* - TODO - > 12 chars: free - <= 12 chars: auction: - 1. new names are auctioned - - 7 day period to collect all bid bytes32es + deposits - - 1 day period to collect all bids to be considered (validity requires associated deposit to be >10% of bid) - - all valid bids are burnt except highest - difference between that and second highest is returned to winner - 2. remember when last auctioned/renewed - 3. anyone can force renewal process: - - 7 day period to collect all bid bytes32es + deposits - - 1 day period to collect all bids & full amounts - bids only uncovered if sufficiently high. - - 1% of winner burnt; original owner paid rest. - */ - - modifier onlyrecordowner(bytes32 _name) { if (m_toRecord[_name].owner == msg.sender) _ } - - function transfer(bytes32 _name, address _newOwner) onlyrecordowner(_name) { - m_toRecord[_name].owner = _newOwner; - Changed(_name); - } - - function disown(bytes32 _name) onlyrecordowner(_name) { - if (m_toName[m_toRecord[_name].primary] == _name) - { - PrimaryChanged(_name, m_toRecord[_name].primary); - m_toName[m_toRecord[_name].primary] = ""; - } - delete m_toRecord[_name]; - Changed(_name); - } - - function setAddress(bytes32 _name, address _a, bool _primary) onlyrecordowner(_name) { - m_toRecord[_name].primary = _a; - if (_primary) - { - PrimaryChanged(_name, _a); - m_toName[_a] = _name; - } - Changed(_name); - } - function setSubRegistrar(bytes32 _name, address _registrar) onlyrecordowner(_name) { - m_toRecord[_name].subRegistrar = _registrar; - Changed(_name); - } - function setContent(bytes32 _name, bytes32 _content) onlyrecordowner(_name) { - m_toRecord[_name].content = _content; - Changed(_name); - } - - function owner(bytes32 _name) constant returns (address) { return m_toRecord[_name].owner; } - function addr(bytes32 _name) constant returns (address) { return m_toRecord[_name].primary; } -// function subRegistrar(bytes32 _name) constant returns (address) { return m_toRecord[_name].subRegistrar; } // TODO: bring in on next iteration. - function register(bytes32 _name) constant returns (address) { return m_toRecord[_name].subRegistrar; } // only possible for now - function content(bytes32 _name) constant returns (bytes32) { return m_toRecord[_name].content; } - function name(address _owner) constant returns (bytes32 o_name) { return m_toName[_owner]; } - - mapping (address => bytes32) m_toName; - mapping (bytes32 => Record) m_toRecord; -} -` - GlobalRegistrarAbi = `[{"constant":true,"inputs":[{"name":"_owner","type":"address"}],"name":"name","outputs":[{"name":"o_name","type":"bytes32"}],"type":"function"},{"constant":true,"inputs":[{"name":"_name","type":"bytes32"}],"name":"owner","outputs":[{"name":"","type":"address"}],"type":"function"},{"constant":true,"inputs":[{"name":"_name","type":"bytes32"}],"name":"content","outputs":[{"name":"","type":"bytes32"}],"type":"function"},{"constant":true,"inputs":[{"name":"_name","type":"bytes32"}],"name":"addr","outputs":[{"name":"","type":"address"}],"type":"function"},{"constant":false,"inputs":[{"name":"_name","type":"bytes32"}],"name":"reserve","outputs":[],"type":"function"},{"constant":true,"inputs":[{"name":"_name","type":"bytes32"}],"name":"subRegistrar","outputs":[{"name":"o_subRegistrar","type":"address"}],"type":"function"},{"constant":false,"inputs":[{"name":"_name","type":"bytes32"},{"name":"_newOwner","type":"address"}],"name":"transfer","outputs":[],"type":"function"},{"constant":false,"inputs":[{"name":"_name","type":"bytes32"},{"name":"_registrar","type":"address"}],"name":"setSubRegistrar","outputs":[],"type":"function"},{"constant":false,"inputs":[],"name":"Registrar","outputs":[],"type":"function"},{"constant":false,"inputs":[{"name":"_name","type":"bytes32"},{"name":"_a","type":"address"},{"name":"_primary","type":"bool"}],"name":"setAddress","outputs":[],"type":"function"},{"constant":false,"inputs":[{"name":"_name","type":"bytes32"},{"name":"_content","type":"bytes32"}],"name":"setContent","outputs":[],"type":"function"},{"constant":false,"inputs":[{"name":"_name","type":"bytes32"}],"name":"disown","outputs":[],"type":"function"},{"constant":true,"inputs":[{"name":"_name","type":"bytes32"}],"name":"register","outputs":[{"name":"","type":"address"}],"type":"function"},{"anonymous":false,"inputs":[{"indexed":true,"name":"name","type":"bytes32"}],"name":"Changed","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"name","type":"bytes32"},{"indexed":true,"name":"addr","type":"address"}],"name":"PrimaryChanged","type":"event"}]` - - GlobalRegistrarCode = `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` -) diff --git a/common/registrar/ethreg/api.go b/common/registrar/ethreg/api.go deleted file mode 100644 index a32653554..000000000 --- a/common/registrar/ethreg/api.go +++ /dev/null @@ -1,279 +0,0 @@ -// Copyright 2015 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 . - -package ethreg - -import ( - "errors" - "math/big" - - "github.com/ethereum/go-ethereum/accounts" - "github.com/ethereum/go-ethereum/common" - "github.com/ethereum/go-ethereum/common/compiler" - "github.com/ethereum/go-ethereum/common/registrar" - "github.com/ethereum/go-ethereum/core" - "github.com/ethereum/go-ethereum/core/state" - "github.com/ethereum/go-ethereum/core/types" - "github.com/ethereum/go-ethereum/core/vm" - "github.com/ethereum/go-ethereum/crypto" - "github.com/ethereum/go-ethereum/ethdb" - "github.com/ethereum/go-ethereum/logger" - "github.com/ethereum/go-ethereum/logger/glog" - "github.com/ethereum/go-ethereum/params" -) - -// registryAPIBackend is a backend for an Ethereum Registry. -type registryAPIBackend struct { - config *params.ChainConfig - bc *core.BlockChain - chainDb ethdb.Database - txPool *core.TxPool - am *accounts.Manager -} - -// PrivateRegistarAPI offers various functions to access the Ethereum registry. -type PrivateRegistarAPI struct { - config *params.ChainConfig - be *registryAPIBackend -} - -// NewPrivateRegistarAPI creates a new PrivateRegistarAPI instance. -func NewPrivateRegistarAPI(config *params.ChainConfig, bc *core.BlockChain, chainDb ethdb.Database, txPool *core.TxPool, am *accounts.Manager) *PrivateRegistarAPI { - return &PrivateRegistarAPI{ - config: config, - be: ®istryAPIBackend{ - config: config, - bc: bc, - chainDb: chainDb, - txPool: txPool, - am: am, - }, - } -} - -// SetGlobalRegistrar allows clients to set the global registry for the node. -// This method can be used to deploy a new registry. First zero out the current -// address by calling the method with namereg = '0x0' and then call this method -// again with '' as namereg. This will submit a transaction to the network which -// will deploy a new registry on execution. The TX hash is returned. When called -// with namereg '' and the current address is not zero the current global is -// address is returned.. -func (api *PrivateRegistarAPI) SetGlobalRegistrar(namereg string, from common.Address) (string, error) { - return registrar.New(api.be).SetGlobalRegistrar(namereg, from) -} - -// SetHashReg queries the registry for a hash. -func (api *PrivateRegistarAPI) SetHashReg(hashreg string, from common.Address) (string, error) { - return registrar.New(api.be).SetHashReg(hashreg, from) -} - -// SetUrlHint queries the registry for an url. -func (api *PrivateRegistarAPI) SetUrlHint(hashreg string, from common.Address) (string, error) { - return registrar.New(api.be).SetUrlHint(hashreg, from) -} - -// SaveInfo stores contract information on the local file system. -func (api *PrivateRegistarAPI) SaveInfo(info *compiler.ContractInfo, filename string) (contenthash common.Hash, err error) { - return compiler.SaveInfo(info, filename) -} - -// Register registers a new content hash in the registry. -func (api *PrivateRegistarAPI) Register(sender common.Address, addr common.Address, contentHashHex string) (bool, error) { - block := api.be.bc.CurrentBlock() - state, err := state.New(block.Root(), api.be.chainDb) - if err != nil { - return false, err - } - - codeb := state.GetCode(addr) - codeHash := common.BytesToHash(crypto.Keccak256(codeb)) - contentHash := common.HexToHash(contentHashHex) - - _, err = registrar.New(api.be).SetHashToHash(sender, codeHash, contentHash) - return err == nil, err -} - -// RegisterUrl registers a new url in the registry. -func (api *PrivateRegistarAPI) RegisterUrl(sender common.Address, contentHashHex string, url string) (bool, error) { - _, err := registrar.New(api.be).SetUrlToHash(sender, common.HexToHash(contentHashHex), url) - return err == nil, err -} - -// callmsg is the message type used for call transations. -type callmsg struct { - from *state.StateObject - to *common.Address - gas, gasPrice *big.Int - value *big.Int - data []byte -} - -// accessor boilerplate to implement core.Message -func (m callmsg) From() (common.Address, error) { - return m.from.Address(), nil -} -func (m callmsg) FromFrontier() (common.Address, error) { - return m.from.Address(), nil -} -func (m callmsg) Nonce() uint64 { - return 0 -} -func (m callmsg) CheckNonce() bool { - return false -} -func (m callmsg) To() *common.Address { - return m.to -} -func (m callmsg) GasPrice() *big.Int { - return m.gasPrice -} -func (m callmsg) Gas() *big.Int { - return m.gas -} -func (m callmsg) Value() *big.Int { - return m.value -} -func (m callmsg) Data() []byte { - return m.data -} - -// Call forms a transaction from the given arguments and tries to execute it on -// a private VM with a copy of the state. Any changes are therefore only temporary -// and not part of the actual state. This allows for local execution/queries. -func (be *registryAPIBackend) Call(fromStr, toStr, valueStr, gasStr, gasPriceStr, dataStr string) (string, string, error) { - block := be.bc.CurrentBlock() - statedb, err := state.New(block.Root(), be.chainDb) - if err != nil { - return "", "", err - } - - var from *state.StateObject - if len(fromStr) == 0 { - accounts := be.am.Accounts() - if len(accounts) == 0 { - from = statedb.GetOrNewStateObject(common.Address{}) - } else { - from = statedb.GetOrNewStateObject(accounts[0].Address) - } - } else { - from = statedb.GetOrNewStateObject(common.HexToAddress(fromStr)) - } - - from.SetBalance(common.MaxBig) - - var to *common.Address - if len(toStr) > 0 { - addr := common.HexToAddress(toStr) - to = &addr - } - gas := common.Big(gasStr) - if gas.BitLen() == 0 { - gas = big.NewInt(50000000) - } - gasPrice := common.Big(gasPriceStr) - if gasPrice.BitLen() == 0 { - gasPrice = new(big.Int).Mul(big.NewInt(50), common.Shannon) - } - msg := types.NewMessage(from.Address(), to, 0, common.Big(valueStr), gas, gasPrice, common.FromHex(dataStr), false) - - header := be.bc.CurrentBlock().Header() - vmenv := core.NewEnv(statedb, be.config, be.bc, msg, header, vm.Config{}) - gp := new(core.GasPool).AddGas(common.MaxBig) - res, gas, err := core.ApplyMessage(vmenv, msg, gp) - - return common.ToHex(res), gas.String(), err -} - -// StorageAt returns the data stores in the state for the given address and location. -func (be *registryAPIBackend) StorageAt(addr string, storageAddr string) string { - block := be.bc.CurrentBlock() - state, err := state.New(block.Root(), be.chainDb) - if err != nil { - return "" - } - return state.GetState(common.HexToAddress(addr), common.HexToHash(storageAddr)).Hex() -} - -// Transact forms a transaction from the given arguments and submits it to the -// transactio pool for execution. -func (be *registryAPIBackend) Transact(fromStr, toStr, nonceStr, valueStr, gasStr, gasPriceStr, codeStr string) (string, error) { - if len(toStr) > 0 && toStr != "0x" && !common.IsHexAddress(toStr) { - return "", errors.New("invalid address") - } - - var ( - from = common.HexToAddress(fromStr) - to = common.HexToAddress(toStr) - value = common.Big(valueStr) - gas *big.Int - price *big.Int - data []byte - contractCreation bool - ) - - if len(gasStr) == 0 { - gas = big.NewInt(90000) - } else { - gas = common.Big(gasStr) - } - - if len(gasPriceStr) == 0 { - price = big.NewInt(10000000000000) - } else { - price = common.Big(gasPriceStr) - } - - data = common.FromHex(codeStr) - if len(toStr) == 0 { - contractCreation = true - } - - nonce := be.txPool.State().GetNonce(from) - if len(nonceStr) != 0 { - nonce = common.Big(nonceStr).Uint64() - } - - var tx *types.Transaction - if contractCreation { - tx = types.NewContractCreation(nonce, value, gas, price, data) - } else { - tx = types.NewTransaction(nonce, to, value, gas, price, data) - } - - sigHash := (types.HomesteadSigner{}).Hash(tx) - signature, err := be.am.SignEthereum(from, sigHash.Bytes()) - if err != nil { - return "", err - } - signedTx, err := tx.WithSignature(types.HomesteadSigner{}, signature) - if err != nil { - return "", err - } - - be.txPool.SetLocal(signedTx) - if err := be.txPool.Add(signedTx); err != nil { - return "", nil - } - - if contractCreation { - addr := crypto.CreateAddress(from, nonce) - glog.V(logger.Info).Infof("Tx(%s) created: %s\n", signedTx.Hash().Hex(), addr.Hex()) - } else { - glog.V(logger.Info).Infof("Tx(%s) to: %s\n", signedTx.Hash().Hex(), tx.To().Hex()) - } - - return signedTx.Hash().Hex(), nil -} diff --git a/common/registrar/registrar.go b/common/registrar/registrar.go deleted file mode 100644 index 0606f6985..000000000 --- a/common/registrar/registrar.go +++ /dev/null @@ -1,436 +0,0 @@ -// Copyright 2015 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 . - -package registrar - -import ( - "encoding/binary" - "fmt" - "math/big" - "regexp" - - "github.com/ethereum/go-ethereum/common" - "github.com/ethereum/go-ethereum/crypto" - "github.com/ethereum/go-ethereum/logger" - "github.com/ethereum/go-ethereum/logger/glog" -) - -/* -Registrar implements the Ethereum name registrar services mapping -- arbitrary strings to ethereum addresses -- hashes to hashes -- hashes to arbitrary strings -(likely will provide lookup service for all three) - -The Registrar is used by -* the roundtripper transport implementation of -url schemes to resolve domain names and services that register these names -* contract info retrieval (NatSpec). - -The Registrar uses 3 contracts on the blockchain: -* GlobalRegistrar: Name (string) -> Address (Owner) -* HashReg : Key Hash (hash of domain name or contract code) -> Content Hash -* UrlHint : Content Hash -> Url Hint - -These contracts are (currently) not included in the genesis block. -Each Set needs to be called once on each blockchain/network once. - -Contract addresses need to be set the first time any Registrar method is called -in a client session. -This is done for frontier by default, otherwise the caller needs to make sure -the relevant environment initialised the desired contracts -*/ -var ( - // GlobalRegistrarAddr = "0xc6d9d2cd449a754c494264e1809c50e34d64562b" // olympic - GlobalRegistrarAddr = "0x33990122638b9132ca29c723bdf037f1a891a70c" // frontier - HashRegAddr = "0x23bf622b5a65f6060d855fca401133ded3520620" // frontier - UrlHintAddr = "0x73ed5ef6c010727dfd2671dbb70faac19ec18626" // frontier - - zero = regexp.MustCompile("^(0x)?0*$") -) - -const ( - trueHex = "0000000000000000000000000000000000000000000000000000000000000001" - falseHex = "0000000000000000000000000000000000000000000000000000000000000000" -) - -func abiSignature(s string) string { - return common.ToHex(crypto.Keccak256([]byte(s))[:4]) -} - -var ( - HashRegName = "HashReg" - UrlHintName = "UrlHint" - - registerContentHashAbi = abiSignature("register(uint256,uint256)") - registerUrlAbi = abiSignature("register(uint256,uint8,uint256)") - setOwnerAbi = abiSignature("setowner()") - reserveAbi = abiSignature("reserve(bytes32)") - resolveAbi = abiSignature("addr(bytes32)") - registerAbi = abiSignature("setAddress(bytes32,address,bool)") - addressAbiPrefix = falseHex[:24] -) - -// Registrar's backend is defined as an interface (implemented by xeth, but could be remote) -type Backend interface { - StorageAt(string, string) string - Transact(fromStr, toStr, nonceStr, valueStr, gasStr, gasPriceStr, codeStr string) (string, error) - Call(fromStr, toStr, valueStr, gasStr, gasPriceStr, codeStr string) (string, string, error) -} - -// TODO Registrar should also just implement The Resolver and Registry interfaces -// Simplify for now. -type VersionedRegistrar interface { - Resolver(*big.Int) *Registrar - Registry() *Registrar -} - -type Registrar struct { - backend Backend -} - -func New(b Backend) (res *Registrar) { - res = &Registrar{b} - return -} - -func (self *Registrar) SetGlobalRegistrar(namereg string, addr common.Address) (txhash string, err error) { - if namereg != "" { - GlobalRegistrarAddr = namereg - return - } - if zero.MatchString(GlobalRegistrarAddr) { - if (addr == common.Address{}) { - err = fmt.Errorf("GlobalRegistrar address not found and sender for creation not given") - return - } else { - txhash, err = self.backend.Transact(addr.Hex(), "", "", "", "800000", "", GlobalRegistrarCode) - if err != nil { - err = fmt.Errorf("GlobalRegistrar address not found and sender for creation failed: %v", err) - return - } - } - } - return -} - -func (self *Registrar) SetHashReg(hashreg string, addr common.Address) (txhash string, err error) { - if hashreg != "" { - HashRegAddr = hashreg - } else { - if !zero.MatchString(HashRegAddr) { - return - } - nameHex, extra := encodeName(HashRegName, 2) - hashRegAbi := resolveAbi + nameHex + extra - glog.V(logger.Detail).Infof("\ncall HashRegAddr %v with %v\n", GlobalRegistrarAddr, hashRegAbi) - var res string - res, _, err = self.backend.Call("", GlobalRegistrarAddr, "", "", "", hashRegAbi) - if len(res) >= 40 { - HashRegAddr = "0x" + res[len(res)-40:len(res)] - } - if err != nil || zero.MatchString(HashRegAddr) { - if (addr == common.Address{}) { - err = fmt.Errorf("HashReg address not found and sender for creation not given") - return - } - - txhash, err = self.backend.Transact(addr.Hex(), "", "", "", "", "", HashRegCode) - if err != nil { - err = fmt.Errorf("HashReg address not found and sender for creation failed: %v", err) - } - glog.V(logger.Detail).Infof("created HashRegAddr @ txhash %v\n", txhash) - } else { - glog.V(logger.Detail).Infof("HashRegAddr found at @ %v\n", HashRegAddr) - return - } - } - - return -} - -func (self *Registrar) SetUrlHint(urlhint string, addr common.Address) (txhash string, err error) { - if urlhint != "" { - UrlHintAddr = urlhint - } else { - if !zero.MatchString(UrlHintAddr) { - return - } - nameHex, extra := encodeName(UrlHintName, 2) - urlHintAbi := resolveAbi + nameHex + extra - glog.V(logger.Detail).Infof("UrlHint address query data: %s to %s", urlHintAbi, GlobalRegistrarAddr) - var res string - res, _, err = self.backend.Call("", GlobalRegistrarAddr, "", "", "", urlHintAbi) - if len(res) >= 40 { - UrlHintAddr = "0x" + res[len(res)-40:len(res)] - } - if err != nil || zero.MatchString(UrlHintAddr) { - if (addr == common.Address{}) { - err = fmt.Errorf("UrlHint address not found and sender for creation not given") - return - } - txhash, err = self.backend.Transact(addr.Hex(), "", "", "", "210000", "", UrlHintCode) - if err != nil { - err = fmt.Errorf("UrlHint address not found and sender for creation failed: %v", err) - } - glog.V(logger.Detail).Infof("created UrlHint @ txhash %v\n", txhash) - } else { - glog.V(logger.Detail).Infof("UrlHint found @ %v\n", HashRegAddr) - return - } - } - - return -} - -// ReserveName(from, name) reserves name for the sender address in the globalRegistrar -// the tx needs to be mined to take effect -func (self *Registrar) ReserveName(address common.Address, name string) (txh string, err error) { - if zero.MatchString(GlobalRegistrarAddr) { - return "", fmt.Errorf("GlobalRegistrar address is not set") - } - nameHex, extra := encodeName(name, 2) - abi := reserveAbi + nameHex + extra - glog.V(logger.Detail).Infof("Reserve data: %s", abi) - return self.backend.Transact( - address.Hex(), - GlobalRegistrarAddr, - "", "", "", "", - abi, - ) -} - -// SetAddressToName(from, name, addr) will set the Address to address for name -// in the globalRegistrar using from as the sender of the transaction -// the tx needs to be mined to take effect -func (self *Registrar) SetAddressToName(from common.Address, name string, address common.Address) (txh string, err error) { - if zero.MatchString(GlobalRegistrarAddr) { - return "", fmt.Errorf("GlobalRegistrar address is not set") - } - - nameHex, extra := encodeName(name, 6) - addrHex := encodeAddress(address) - - abi := registerAbi + nameHex + addrHex + trueHex + extra - glog.V(logger.Detail).Infof("SetAddressToName data: %s to %s ", abi, GlobalRegistrarAddr) - - return self.backend.Transact( - from.Hex(), - GlobalRegistrarAddr, - "", "", "", "", - abi, - ) -} - -// NameToAddr(from, name) queries the registrar for the address on name -func (self *Registrar) NameToAddr(from common.Address, name string) (address common.Address, err error) { - if zero.MatchString(GlobalRegistrarAddr) { - return address, fmt.Errorf("GlobalRegistrar address is not set") - } - - nameHex, extra := encodeName(name, 2) - abi := resolveAbi + nameHex + extra - glog.V(logger.Detail).Infof("NameToAddr data: %s", abi) - res, _, err := self.backend.Call( - from.Hex(), - GlobalRegistrarAddr, - "", "", "", - abi, - ) - if err != nil { - return - } - address = common.HexToAddress(res) - return -} - -// called as first step in the registration process on HashReg -func (self *Registrar) SetOwner(address common.Address) (txh string, err error) { - if zero.MatchString(HashRegAddr) { - return "", fmt.Errorf("HashReg address is not set") - } - return self.backend.Transact( - address.Hex(), - HashRegAddr, - "", "", "", "", - setOwnerAbi, - ) -} - -// registers some content hash to a key/code hash -// e.g., the contract Info combined Json Doc's ContentHash -// to CodeHash of a contract or hash of a domain -func (self *Registrar) SetHashToHash(address common.Address, codehash, dochash common.Hash) (txh string, err error) { - if zero.MatchString(HashRegAddr) { - return "", fmt.Errorf("HashReg address is not set") - } - - _, err = self.SetOwner(address) - if err != nil { - return - } - codehex := common.Bytes2Hex(codehash[:]) - dochex := common.Bytes2Hex(dochash[:]) - - data := registerContentHashAbi + codehex + dochex - glog.V(logger.Detail).Infof("SetHashToHash data: %s sent to %v\n", data, HashRegAddr) - return self.backend.Transact( - address.Hex(), - HashRegAddr, - "", "", "", "", - data, - ) -} - -// SetUrlToHash(from, hash, url) registers a url to a content hash so that the content can be fetched -// address is used as sender for the transaction and will be the owner of a new -// registry entry on first time use -// FIXME: silently doing nothing if sender is not the owner -// note that with content addressed storage, this step is no longer necessary -func (self *Registrar) SetUrlToHash(address common.Address, hash common.Hash, url string) (txh string, err error) { - if zero.MatchString(UrlHintAddr) { - return "", fmt.Errorf("UrlHint address is not set") - } - - hashHex := common.Bytes2Hex(hash[:]) - var urlHex string - urlb := []byte(url) - var cnt byte - n := len(urlb) - - for n > 0 { - if n > 32 { - n = 32 - } - urlHex = common.Bytes2Hex(urlb[:n]) - urlb = urlb[n:] - n = len(urlb) - bcnt := make([]byte, 32) - bcnt[31] = cnt - data := registerUrlAbi + - hashHex + - common.Bytes2Hex(bcnt) + - common.Bytes2Hex(common.Hex2BytesFixed(urlHex, 32)) - txh, err = self.backend.Transact( - address.Hex(), - UrlHintAddr, - "", "", "", "", - data, - ) - if err != nil { - return - } - cnt++ - } - return -} - -// HashToHash(key) resolves contenthash for key (a hash) using HashReg -// resolution is costless non-transactional -// implemented as direct retrieval from db -func (self *Registrar) HashToHash(khash common.Hash) (chash common.Hash, err error) { - if zero.MatchString(HashRegAddr) { - return common.Hash{}, fmt.Errorf("HashReg address is not set") - } - - // look up in hashReg - at := HashRegAddr[2:] - key := storageAddress(storageMapping(storageIdx2Addr(1), khash[:])) - hash := self.backend.StorageAt(at, key) - - if hash == "0x0" || len(hash) < 3 || (hash == common.Hash{}.Hex()) { - err = fmt.Errorf("HashToHash: content hash not found for '%v'", khash.Hex()) - return - } - copy(chash[:], common.Hex2BytesFixed(hash[2:], 32)) - return -} - -// HashToUrl(contenthash) resolves the url for contenthash using UrlHint -// resolution is costless non-transactional -// implemented as direct retrieval from db -// if we use content addressed storage, this step is no longer necessary -func (self *Registrar) HashToUrl(chash common.Hash) (uri string, err error) { - if zero.MatchString(UrlHintAddr) { - return "", fmt.Errorf("UrlHint address is not set") - } - // look up in URL reg - var str string = " " - var idx uint32 - for len(str) > 0 { - mapaddr := storageMapping(storageIdx2Addr(1), chash[:]) - key := storageAddress(storageFixedArray(mapaddr, storageIdx2Addr(idx))) - hex := self.backend.StorageAt(UrlHintAddr[2:], key) - str = string(common.Hex2Bytes(hex[2:])) - l := 0 - for (l < len(str)) && (str[l] == 0) { - l++ - } - - str = str[l:] - uri = uri + str - idx++ - } - - if len(uri) == 0 { - err = fmt.Errorf("HashToUrl: URL hint not found for '%v'", chash.Hex()) - } - return -} - -func storageIdx2Addr(varidx uint32) []byte { - data := make([]byte, 32) - binary.BigEndian.PutUint32(data[28:32], varidx) - return data -} - -func storageMapping(addr, key []byte) []byte { - data := make([]byte, 64) - copy(data[0:32], key[0:32]) - copy(data[32:64], addr[0:32]) - sha := crypto.Keccak256(data) - return sha -} - -func storageFixedArray(addr, idx []byte) []byte { - var carry byte - for i := 31; i >= 0; i-- { - var b byte = addr[i] + idx[i] + carry - if b < addr[i] { - carry = 1 - } else { - carry = 0 - } - addr[i] = b - } - return addr -} - -func storageAddress(addr []byte) string { - return common.ToHex(addr) -} - -func encodeAddress(address common.Address) string { - return addressAbiPrefix + address.Hex()[2:] -} - -func encodeName(name string, index uint8) (string, string) { - extra := common.Bytes2Hex([]byte(name)) - if len(name) > 32 { - return fmt.Sprintf("%064x", index), extra - } - return extra + falseHex[len(extra):], "" -} diff --git a/common/registrar/registrar_test.go b/common/registrar/registrar_test.go deleted file mode 100644 index b2287803c..000000000 --- a/common/registrar/registrar_test.go +++ /dev/null @@ -1,158 +0,0 @@ -// Copyright 2015 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 . - -package registrar - -import ( - "testing" - - "github.com/ethereum/go-ethereum/common" - "github.com/ethereum/go-ethereum/crypto" -) - -type testBackend struct { - // contracts mock - contracts map[string](map[string]string) -} - -var ( - text = "test" - codehash = common.StringToHash("1234") - hash = common.BytesToHash(crypto.Keccak256([]byte(text))) - url = "bzz://bzzhash/my/path/contr.act" -) - -func NewTestBackend() *testBackend { - self := &testBackend{} - self.contracts = make(map[string](map[string]string)) - return self -} - -func (self *testBackend) initHashReg() { - self.contracts[HashRegAddr[2:]] = make(map[string]string) - key := storageAddress(storageMapping(storageIdx2Addr(1), codehash[:])) - self.contracts[HashRegAddr[2:]][key] = hash.Hex() -} - -func (self *testBackend) initUrlHint() { - self.contracts[UrlHintAddr[2:]] = make(map[string]string) - mapaddr := storageMapping(storageIdx2Addr(1), hash[:]) - - key := storageAddress(storageFixedArray(mapaddr, storageIdx2Addr(0))) - self.contracts[UrlHintAddr[2:]][key] = common.ToHex([]byte(url)) - key = storageAddress(storageFixedArray(mapaddr, storageIdx2Addr(1))) - self.contracts[UrlHintAddr[2:]][key] = "0x0" -} - -func (self *testBackend) StorageAt(ca, sa string) (res string) { - c := self.contracts[ca] - if c == nil { - return "0x0" - } - res = c[sa] - return -} - -func (self *testBackend) Transact(fromStr, toStr, nonceStr, valueStr, gasStr, gasPriceStr, codeStr string) (string, error) { - return "", nil -} - -func (self *testBackend) Call(fromStr, toStr, valueStr, gasStr, gasPriceStr, codeStr string) (string, string, error) { - return "", "", nil -} - -func TestSetGlobalRegistrar(t *testing.T) { - b := NewTestBackend() - res := New(b) - _, err := res.SetGlobalRegistrar("addresshex", common.BigToAddress(common.Big1)) - if err != nil { - t.Errorf("unexpected error: %v'", err) - } -} - -func TestHashToHash(t *testing.T) { - b := NewTestBackend() - res := New(b) - - HashRegAddr = "0x0" - got, err := res.HashToHash(codehash) - if err == nil { - t.Errorf("expected error") - } else { - exp := "HashReg address is not set" - if err.Error() != exp { - t.Errorf("incorrect error, expected '%v', got '%v'", exp, err.Error()) - } - } - - HashRegAddr = common.BigToAddress(common.Big1).Hex() //[2:] - got, err = res.HashToHash(codehash) - if err == nil { - t.Errorf("expected error") - } else { - exp := "HashToHash: content hash not found for '" + codehash.Hex() + "'" - if err.Error() != exp { - t.Errorf("incorrect error, expected '%v', got '%v'", exp, err.Error()) - } - } - - b.initHashReg() - got, err = res.HashToHash(codehash) - if err != nil { - t.Errorf("expected no error, got %v", err) - } else { - if got != hash { - t.Errorf("incorrect result, expected '%v', got '%v'", hash.Hex(), got.Hex()) - } - } -} - -func TestHashToUrl(t *testing.T) { - b := NewTestBackend() - res := New(b) - - UrlHintAddr = "0x0" - got, err := res.HashToUrl(hash) - if err == nil { - t.Errorf("expected error") - } else { - exp := "UrlHint address is not set" - if err.Error() != exp { - t.Errorf("incorrect error, expected '%v', got '%v'", exp, err.Error()) - } - } - - UrlHintAddr = common.BigToAddress(common.Big2).Hex() //[2:] - got, err = res.HashToUrl(hash) - if err == nil { - t.Errorf("expected error") - } else { - exp := "HashToUrl: URL hint not found for '" + hash.Hex() + "'" - if err.Error() != exp { - t.Errorf("incorrect error, expected '%v', got '%v'", exp, err.Error()) - } - } - - b.initUrlHint() - got, err = res.HashToUrl(hash) - if err != nil { - t.Errorf("expected no error, got %v", err) - } else { - if got != url { - t.Errorf("incorrect result, expected '%v', got '%s'", url, got) - } - } -} -- cgit