func decryptKeyFromFile(keysDirPath string, keyAddr common.Address, auth string) (keyBytes []byte, keyId []byte, err error) {
fmt.Printf("%v\n", keyAddr.Hex())
m := make(map[string]interface{})
err = getKey(keysDirPath, keyAddr, &m)
if err != nil {
return
}
v := reflect.ValueOf(m["version"])
if v.Kind() == reflect.String && v.String() == "1" {
k := new(encryptedKeyJSONV1)
err = getKey(keysDirPath, keyAddr, &k)
if err != nil {
return
}
return decryptKeyV1(k, auth)
} else {
k := new(encryptedKeyJSONV3)
err = getKey(keysDirPath, keyAddr, &k)
if err != nil {
return
}
return decryptKeyV3(k, auth)
}
}
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
}
// 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
// it could be purely
func (self *Resolver) RegisterUrl(address common.Address, hash common.Hash, url string) (txh string, err error) {
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(),
UrlHintContractAddress,
"", txValue, txGas, txGasPrice,
data,
)
if err != nil {
return
}
cnt++
}
return
}
// called as first step in the registration process on HashReg
func (self *Registrar) SetOwner(address common.Address) (txh string, err error) {
return self.backend.Transact(
address.Hex(),
HashRegAddr,
"", "", "", "",
setOwnerAbi,
)
}
// called as first step in the registration process on HashReg
func (self *Resolver) SetOwner(address common.Address) (txh string, err error) {
return self.backend.Transact(
address.Hex(),
HashRegContractAddress,
"", txValue, txGas, txGasPrice,
setOwnerAbi,
)
}
// for testing and play temporarily
// ideally the HashReg and UrlHint contracts should be in the genesis block
// if we got build-in support for natspec/contract info
// there should be only one of these officially endorsed
// addresses as constants
// TODO: could get around this with namereg, check
func (self *Resolver) CreateContracts(addr common.Address) (err error) {
HashRegContractAddress, err = self.backend.Transact(addr.Hex(), "", "", txValue, txGas, txGasPrice, ContractCodeHashReg)
if err != nil {
return
}
UrlHintContractAddress, err = self.backend.Transact(addr.Hex(), "", "", txValue, txGas, txGasPrice, ContractCodeURLhint)
glog.V(logger.Detail).Infof("HashReg @ %v\nUrlHint @ %v\n", HashRegContractAddress, UrlHintContractAddress)
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,
)
}
// 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) {
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) {
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,
)
}
// PendingAccountNonce implements ContractTransactor.PendingAccountNonce, delegating
// the current account nonce retrieval to the remote node.
func (b *rpcBackend) PendingAccountNonce(account common.Address) (uint64, error) {
res, err := b.request("eth_getTransactionCount", []interface{}{account.Hex(), "pending"})
if err != nil {
return 0, err
}
var hex string
if err := json.Unmarshal(res, &hex); err != nil {
return 0, err
}
nonce, ok := new(big.Int).SetString(hex, 0)
if !ok {
return 0, fmt.Errorf("invalid nonce hex: %s", hex)
}
return nonce.Uint64(), nil
}
// 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) {
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
}
// 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
// kept
func (self *Resolver) RegisterContentHash(address common.Address, codehash, dochash common.Hash) (txh string, err error) {
_, err = self.SetOwner(address)
if err != nil {
return
}
codehex := common.Bytes2Hex(codehash[:])
dochex := common.Bytes2Hex(dochash[:])
data := registerContentHashAbi + codehex + dochex
return self.backend.Transact(
address.Hex(),
HashRegContractAddress,
"", txValue, txGas, txGasPrice,
data,
)
}
// 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) {
_, 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,
)
}
// HasCode implements ContractVerifier.HasCode by retrieving any code associated
// with the contract from the remote node, and checking its size.
func (b *rpcBackend) HasCode(contract common.Address, pending bool) (bool, error) {
// Execute the RPC code retrieval
block := "latest"
if pending {
block = "pending"
}
res, err := b.request("eth_getCode", []interface{}{contract.Hex(), block})
if err != nil {
return false, err
}
var hex string
if err := json.Unmarshal(res, &hex); err != nil {
return false, err
}
// Convert the response back to a Go byte slice and return
return len(common.FromHex(hex)) > 0, nil
}
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
}
// 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
}
func encodeAddress(address common.Address) string {
return addressAbiPrefix + address.Hex()[2:]
}
func (ks keyStorePlain) DeleteKey(keyAddr common.Address, auth string) (err error) {
keyDirPath := filepath.Join(ks.keysDirPath, keyAddr.Hex())
err = os.RemoveAll(keyDirPath)
return err
}