func (self *EthReg) Resolver(n *big.Int) *registrar.Registrar {
xe := self.backend
if n != nil {
xe = self.backend.AtStateNum(n.Int64())
}
return registrar.New(xe)
}
func testInit(t *testing.T) (self *testFrontend) {
// initialise and start minimal ethereum stack
ethereum, err := testEth(t)
if err != nil {
t.Errorf("error creating ethereum: %v", err)
return
}
err = ethereum.Start()
if err != nil {
t.Errorf("error starting ethereum: %v", err)
return
}
// mock frontend
self = &testFrontend{t: t, ethereum: ethereum}
self.xeth = xe.New(ethereum, self)
self.wait = self.xeth.UpdateState()
addr, _ := self.ethereum.Etherbase()
// initialise the registry contracts
reg := registrar.New(self.xeth)
var registrarTxhash, hashRegTxhash, urlHintTxhash string
registrarTxhash, err = reg.SetGlobalRegistrar("", addr)
if err != nil {
t.Errorf("error creating GlobalRegistrar: %v", err)
}
hashRegTxhash, err = reg.SetHashReg("", addr)
if err != nil {
t.Errorf("error creating HashReg: %v", err)
}
urlHintTxhash, err = reg.SetUrlHint("", addr)
if err != nil {
t.Errorf("error creating UrlHint: %v", err)
}
if !processTxs(self, t, 3) {
t.Errorf("error mining txs")
}
_ = registrarTxhash
_ = hashRegTxhash
_ = urlHintTxhash
/* TODO:
* lookup receipt and contract addresses by tx hash
* name registration for HashReg and UrlHint addresses
* mine those transactions
* then set once more SetHashReg SetUrlHint
*/
return
}
// 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
}
func (self *adminApi) RegisterUrl(req *shared.Request) (interface{}, error) {
args := new(RegisterUrlArgs)
if err := self.coder.Decode(req.Params, &args); err != nil {
return nil, shared.NewDecodeParamError(err.Error())
}
sender := common.HexToAddress(args.Sender)
registry := registrar.New(self.xeth)
_, err := registry.SetUrlToHash(sender, common.HexToHash(args.ContentHash), args.Url)
if err != nil {
return false, err
}
return true, nil
}
func (self *adminApi) SetHashReg(req *shared.Request) (interface{}, error) {
args := new(SetHashRegArgs)
if err := self.coder.Decode(req.Params, &args); err != nil {
return nil, shared.NewDecodeParamError(err.Error())
}
reg := registrar.New(self.xeth)
sender := common.HexToAddress(args.Sender)
txhash, err := reg.SetHashReg(args.HashReg, sender)
if err != nil {
return false, err
}
return txhash, nil
}
func (self *adminApi) SetUrlHint(req *shared.Request) (interface{}, error) {
args := new(SetUrlHintArgs)
if err := self.coder.Decode(req.Params, &args); err != nil {
return nil, shared.NewDecodeParamError(err.Error())
}
urlHint := args.UrlHint
sender := common.HexToAddress(args.Sender)
reg := registrar.New(self.xeth)
txhash, err := reg.SetUrlHint(urlHint, sender)
if err != nil {
return nil, err
}
return txhash, nil
}
func (self *adminApi) Register(req *shared.Request) (interface{}, error) {
args := new(RegisterArgs)
if err := self.coder.Decode(req.Params, &args); err != nil {
return nil, shared.NewDecodeParamError(err.Error())
}
sender := common.HexToAddress(args.Sender)
// sender and contract address are passed as hex strings
codeb := self.xeth.CodeAtBytes(args.Address)
codeHash := common.BytesToHash(crypto.Sha3(codeb))
contentHash := common.HexToHash(args.ContentHashHex)
registry := registrar.New(self.xeth)
_, err := registry.SetHashToHash(sender, codeHash, contentHash)
if err != nil {
return false, err
}
return true, nil
}
// also called by admin.contractInfo.get
func FetchDocsForContract(contractAddress string, xeth *xeth.XEth, ds *docserver.DocServer) (content []byte, err error) {
// retrieve contract hash from state
codehex := xeth.CodeAt(contractAddress)
codeb := xeth.CodeAtBytes(contractAddress)
if codehex == "0x" {
err = fmt.Errorf("contract (%v) not found", contractAddress)
return
}
codehash := common.BytesToHash(crypto.Sha3(codeb))
// set up nameresolver with natspecreg + urlhint contract addresses
reg := registrar.New(xeth)
// resolve host via HashReg/UrlHint Resolver
hash, err := reg.HashToHash(codehash)
if err != nil {
return
}
if ds.HasScheme("bzz") {
content, err = ds.Get("bzz://"+hash.Hex()[2:], "")
if err == nil { // non-fatal
return
}
err = nil
//falling back to urlhint
}
uri, err := reg.HashToUrl(hash)
if err != nil {
return
}
// get content via http client and authenticate content using hash
content, err = ds.GetAuthContent(uri, hash)
if err != nil {
return
}
return
}
// 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
}
// 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)
}
// 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)
}
// end to end test
func TestNatspecE2E(t *testing.T) {
t.Skip()
tf := testInit(t)
defer tf.ethereum.Stop()
addr, _ := tf.ethereum.Etherbase()
// create a contractInfo file (mock cloud-deployed contract metadocs)
// incidentally this is the info for the HashReg contract itself
ioutil.WriteFile("/tmp/"+testFileName, []byte(testContractInfo), os.ModePerm)
dochash := crypto.Keccak256Hash([]byte(testContractInfo))
// take the codehash for the contract we wanna test
codeb := tf.xeth.CodeAtBytes(registrar.HashRegAddr)
codehash := crypto.Keccak256Hash(codeb)
reg := registrar.New(tf.xeth)
_, err := reg.SetHashToHash(addr, codehash, dochash)
if err != nil {
t.Errorf("error registering: %v", err)
}
_, err = reg.SetUrlToHash(addr, dochash, "file:///"+testFileName)
if err != nil {
t.Errorf("error registering: %v", err)
}
if !processTxs(tf, t, 5) {
return
}
// NatSpec info for register method of HashReg contract installed
// now using the same transactions to check confirm messages
tf.wantNatSpec = true // this is set so now the backend uses natspec confirmation
_, err = reg.SetHashToHash(addr, codehash, dochash)
if err != nil {
t.Errorf("error calling contract registry: %v", err)
}
fmt.Printf("GlobalRegistrar: %v, HashReg: %v, UrlHint: %v\n", registrar.GlobalRegistrarAddr, registrar.HashRegAddr, registrar.UrlHintAddr)
if tf.lastConfirm != testExpNotice {
t.Errorf("Wrong confirm message. expected\n'%v', got\n'%v'", testExpNotice, tf.lastConfirm)
}
// test unknown method
exp := fmt.Sprintf(testExpNotice2, registrar.HashRegAddr)
_, err = reg.SetOwner(addr)
if err != nil {
t.Errorf("error setting owner: %v", err)
}
if tf.lastConfirm != exp {
t.Errorf("Wrong confirm message, expected\n'%v', got\n'%v'", exp, tf.lastConfirm)
}
// test unknown contract
exp = fmt.Sprintf(testExpNotice3, registrar.UrlHintAddr)
_, err = reg.SetUrlToHash(addr, dochash, "file:///test.content")
if err != nil {
t.Errorf("error registering: %v", err)
}
if tf.lastConfirm != exp {
t.Errorf("Wrong confirm message, expected '%v', got '%v'", exp, tf.lastConfirm)
}
}
func testInit(t *testing.T) (self *testFrontend) {
// initialise and start minimal ethereum stack
ethereum, err := testEth(t)
if err != nil {
t.Errorf("error creating ethereum: %v", err)
return
}
err = ethereum.Start(nil)
if err != nil {
t.Errorf("error starting ethereum: %v", err)
return
}
// mock frontend
self = &testFrontend{t: t, ethereum: ethereum}
self.xeth = xe.New(nil, self)
self.wait = self.xeth.UpdateState()
addr, _ := self.ethereum.Etherbase()
// initialise the registry contracts
reg := registrar.New(self.xeth)
registrar.GlobalRegistrarAddr = "0x0"
var txG, txH, txU string
txG, err = reg.SetGlobalRegistrar("", addr)
if err != nil {
t.Fatalf("error creating GlobalRegistrar: %v", err)
}
if !processTxs(self, t, 1) {
t.Fatalf("error mining txs")
}
recG := self.xeth.GetTxReceipt(common.HexToHash(txG))
if recG == nil {
t.Fatalf("blockchain error creating GlobalRegistrar")
}
registrar.GlobalRegistrarAddr = recG.ContractAddress.Hex()
txH, err = reg.SetHashReg("", addr)
if err != nil {
t.Errorf("error creating HashReg: %v", err)
}
if !processTxs(self, t, 1) {
t.Errorf("error mining txs")
}
recH := self.xeth.GetTxReceipt(common.HexToHash(txH))
if recH == nil {
t.Fatalf("blockchain error creating HashReg")
}
registrar.HashRegAddr = recH.ContractAddress.Hex()
txU, err = reg.SetUrlHint("", addr)
if err != nil {
t.Errorf("error creating UrlHint: %v", err)
}
if !processTxs(self, t, 1) {
t.Errorf("error mining txs")
}
recU := self.xeth.GetTxReceipt(common.HexToHash(txU))
if recU == nil {
t.Fatalf("blockchain error creating UrlHint")
}
registrar.UrlHintAddr = recU.ContractAddress.Hex()
return
}
func TestContract(t *testing.T) {
t.Skip("contract testing is implemented with mining in ethash test mode. This takes about 7seconds to run. Unskip and run on demand")
coinbase := common.HexToAddress(testAddress)
tmp, repl, ethereum := testREPL(t, func(conf *eth.Config) {
conf.Etherbase = coinbase
conf.PowTest = true
})
if err := ethereum.Start(); err != nil {
t.Errorf("error starting ethereum: %v", err)
return
}
defer ethereum.Stop()
defer os.RemoveAll(tmp)
reg := registrar.New(repl.xeth)
_, err := reg.SetGlobalRegistrar("", coinbase)
if err != nil {
t.Errorf("error setting HashReg: %v", err)
}
_, err = reg.SetHashReg("", coinbase)
if err != nil {
t.Errorf("error setting HashReg: %v", err)
}
_, err = reg.SetUrlHint("", coinbase)
if err != nil {
t.Errorf("error setting HashReg: %v", err)
}
/* TODO:
* lookup receipt and contract addresses by tx hash
* name registration for HashReg and UrlHint addresses
* mine those transactions
* then set once more SetHashReg SetUrlHint
*/
source := `contract test {\n` +
" /// @notice Will multiply `a` by 7." + `\n` +
` function multiply(uint a) returns(uint d) {\n` +
` return a * 7;\n` +
` }\n` +
`}\n`
if checkEvalJSON(t, repl, `admin.stopNatSpec()`, `true`) != nil {
return
}
contractInfo, err := ioutil.ReadFile("info_test.json")
if err != nil {
t.Fatalf("%v", err)
}
if checkEvalJSON(t, repl, `primary = eth.accounts[0]`, `"`+testAddress+`"`) != nil {
return
}
if checkEvalJSON(t, repl, `source = "`+source+`"`, `"`+source+`"`) != nil {
return
}
// if solc is found with right version, test it, otherwise read from file
sol, err := compiler.New("")
if err != nil {
t.Logf("solc not found: mocking contract compilation step")
} else if sol.Version() != solcVersion {
t.Logf("WARNING: solc different version found (%v, test written for %v, may need to update)", sol.Version(), solcVersion)
}
if err != nil {
info, err := ioutil.ReadFile("info_test.json")
if err != nil {
t.Fatalf("%v", err)
}
_, err = repl.re.Run(`contract = JSON.parse(` + strconv.Quote(string(info)) + `)`)
if err != nil {
t.Errorf("%v", err)
}
} else {
if checkEvalJSON(t, repl, `contract = eth.compile.solidity(source).test`, string(contractInfo)) != nil {
return
}
}
if checkEvalJSON(t, repl, `contract.code`, `"0x605880600c6000396000f3006000357c010000000000000000000000000000000000000000000000000000000090048063c6888fa114602e57005b603d6004803590602001506047565b8060005260206000f35b60006007820290506053565b91905056"`) != nil {
return
}
if checkEvalJSON(
t, repl,
`contractaddress = eth.sendTransaction({from: primary, data: contract.code})`,
`"0x46d69d55c3c4b86a924a92c9fc4720bb7bce1d74"`,
) != nil {
return
}
if !processTxs(repl, t, 8) {
return
}
callSetup := `abiDef = JSON.parse('[{"constant":false,"inputs":[{"name":"a","type":"uint256"}],"name":"multiply","outputs":[{"name":"d","type":"uint256"}],"type":"function"}]');
Multiply7 = eth.contract(abiDef);
multiply7 = Multiply7.at(contractaddress);
`
_, err = repl.re.Run(callSetup)
if err != nil {
t.Errorf("unexpected error setting up contract, got %v", err)
return
}
expNotice := ""
if repl.lastConfirm != expNotice {
t.Errorf("incorrect confirmation message: expected %v, got %v", expNotice, repl.lastConfirm)
return
}
if checkEvalJSON(t, repl, `admin.startNatSpec()`, `true`) != nil {
return
}
if checkEvalJSON(t, repl, `multiply7.multiply.sendTransaction(6, { from: primary })`, `"0x4ef9088431a8033e4580d00e4eb2487275e031ff4163c7529df0ef45af17857b"`) != nil {
return
}
if !processTxs(repl, t, 1) {
return
}
expNotice = `About to submit transaction (no NatSpec info found for contract: content hash not found for '0x87e2802265838c7f14bb69eecd2112911af6767907a702eeaa445239fb20711b'): {"params":[{"to":"0x46d69d55c3c4b86a924a92c9fc4720bb7bce1d74","data": "0xc6888fa10000000000000000000000000000000000000000000000000000000000000006"}]}`
if repl.lastConfirm != expNotice {
t.Errorf("incorrect confirmation message: expected\n%v, got\n%v", expNotice, repl.lastConfirm)
return
}
var contentHash = `"0x86d2b7cf1e72e9a7a3f8d96601f0151742a2f780f1526414304fbe413dc7f9bd"`
if sol != nil && solcVersion != sol.Version() {
modContractInfo := versionRE.ReplaceAll(contractInfo, []byte(`"compilerVersion":"`+sol.Version()+`"`))
fmt.Printf("modified contractinfo:\n%s\n", modContractInfo)
contentHash = `"` + common.ToHex(crypto.Sha3([]byte(modContractInfo))) + `"`
}
if checkEvalJSON(t, repl, `filename = "/tmp/info.json"`, `"/tmp/info.json"`) != nil {
return
}
if checkEvalJSON(t, repl, `contentHash = admin.saveInfo(contract.info, filename)`, contentHash) != nil {
return
}
if checkEvalJSON(t, repl, `admin.register(primary, contractaddress, contentHash)`, `true`) != nil {
return
}
if checkEvalJSON(t, repl, `admin.registerUrl(primary, contentHash, "file://"+filename)`, `true`) != nil {
return
}
if checkEvalJSON(t, repl, `admin.startNatSpec()`, `true`) != nil {
return
}
if !processTxs(repl, t, 3) {
return
}
if checkEvalJSON(t, repl, `multiply7.multiply.sendTransaction(6, { from: primary })`, `"0x66d7635c12ad0b231e66da2f987ca3dfdca58ffe49c6442aa55960858103fd0c"`) != nil {
return
}
if !processTxs(repl, t, 1) {
return
}
expNotice = "Will multiply 6 by 7."
if repl.lastConfirm != expNotice {
t.Errorf("incorrect confirmation message: expected\n%v, got\n%v", expNotice, repl.lastConfirm)
return
}
}
func New(xe *xeth.XEth) (self *EthReg) {
self = &EthReg{backend: xe}
self.registry = registrar.New(xe)
return
}