Example #1
0
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)
}
Example #2
0
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

}
Example #3
0
// 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
}
Example #4
0
// 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 registry contract itself
	ioutil.WriteFile("/tmp/"+testFileName, []byte(testContractInfo), os.ModePerm)
	dochash := crypto.Sha3Hash([]byte(testContractInfo))

	// take the codehash for the contract we wanna test
	codeb := tf.xeth.CodeAtBytes(registrar.HashRegAddr)
	codehash := crypto.Sha3Hash(codeb)

	// use resolver to register codehash->dochash->url
	// test if globalregistry works
	// registrar.HashRefAddr = "0x0"
	// registrar.UrlHintAddr = "0x0"
	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)
	}

}
Example #5
0
func New(xe *xeth.XEth) (self *EthReg) {
	self = &EthReg{backend: xe}
	self.registry = registrar.New(xe)
	return
}