358 lines
		
	
	
		
			9.9 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
			
		
		
	
	
			358 lines
		
	
	
		
			9.9 KiB
		
	
	
	
		
			Go
		
	
	
	
	
	
| // Copyright 2015 The go-ethereum Authors
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| // This file is part of the go-ethereum library.
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| //
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| // The go-ethereum library is free software: you can redistribute it and/or modify
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| // it under the terms of the GNU Lesser General Public License as published by
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| // the Free Software Foundation, either version 3 of the License, or
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| // (at your option) any later version.
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| //
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| // The go-ethereum library is distributed in the hope that it will be useful,
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| // but WITHOUT ANY WARRANTY; without even the implied warranty of
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| // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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| // GNU Lesser General Public License for more details.
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| //
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| // You should have received a copy of the GNU Lesser General Public License
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| // along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
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| //
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| // +build ignore
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| 
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| package natspec
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| 
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| import (
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| 	"fmt"
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| 	"io/ioutil"
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| 	"math/big"
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| 	"os"
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| 	"path/filepath"
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| 	"runtime"
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| 	"testing"
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| 	"time"
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| 
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| 	"github.com/ethereum/go-ethereum/accounts"
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| 	"github.com/ethereum/go-ethereum/common"
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| 	"github.com/ethereum/go-ethereum/common/httpclient"
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| 	"github.com/ethereum/go-ethereum/common/registrar"
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| 	"github.com/ethereum/go-ethereum/core"
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| 	"github.com/ethereum/go-ethereum/crypto"
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| 	"github.com/ethereum/go-ethereum/eth"
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| 	"github.com/ethereum/go-ethereum/ethdb"
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| 	"github.com/ethereum/go-ethereum/event"
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| 	"github.com/ethereum/go-ethereum/node"
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| 	xe "github.com/ethereum/go-ethereum/xeth"
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| )
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| 
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| const (
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| 	testAddress = "0x8605cdbbdb6d264aa742e77020dcbc58fcdce182"
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| 	testBalance = "10000000000000000000"
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| 	testKey     = "e6fab74a43941f82d89cb7faa408e227cdad3153c4720e540e855c19b15e6674"
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| 
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| 	testFileName = "long_file_name_for_testing_registration_of_URLs_longer_than_32_bytes.content"
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| 
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| 	testNotice = "Register key `utils.toHex(_key)` <- content `utils.toHex(_content)`"
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| 
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| 	testExpNotice = "Register key 0xadd1a7d961cff0242089674ec2ef6fca671ab15e1fe80e38859fc815b98d88ab <- content 0xb3a2dea218de5d8bbe6c4645aadbf67b5ab00ecb1a9ec95dbdad6a0eed3e41a7"
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| 
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| 	testExpNotice2 = `About to submit transaction (NatSpec notice error: abi key does not match any method): {"params":[{"to":"%s","data": "0x31e12c20"}]}`
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| 
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| 	testExpNotice3 = `About to submit transaction (no NatSpec info found for contract: HashToHash: content hash not found for '0x1392c62d05b2d149e22a339c531157ae06b44d39a674cce500064b12b9aeb019'): {"params":[{"to":"%s","data": "0x300a3bbfb3a2dea218de5d8bbe6c4645aadbf67b5ab00ecb1a9ec95dbdad6a0eed3e41a7000000000000000000000000000000000000000000000000000000000000000000000000000000000000000066696c653a2f2f2f746573742e636f6e74656e74"}]}`
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| )
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| 
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| const (
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| 	testUserDoc = `
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| {
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|   "methods": {
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|     "register(uint256,uint256)": {
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|       "notice":  "` + testNotice + `"
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|     }
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|   },
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|   "invariants": [
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|     { "notice": "" }
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|   ],
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|   "construction": [
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|     { "notice": "" }
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|   ]
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| }
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| `
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| 	testAbiDefinition = `
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| [{
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|   "name": "register",
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|   "constant": false,
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|   "type": "function",
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|   "inputs": [{
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|     "name": "_key",
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|     "type": "uint256"
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|   }, {
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|     "name": "_content",
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|     "type": "uint256"
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|   }],
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|   "outputs": []
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| }]
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| `
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| 
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| 	testContractInfo = `
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| {
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| 	"userDoc": ` + testUserDoc + `,
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| 	"abiDefinition": ` + testAbiDefinition + `
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| }
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| `
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| )
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| 
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| type testFrontend struct {
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| 	t           *testing.T
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| 	ethereum    *eth.Ethereum
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| 	xeth        *xe.XEth
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| 	wait        chan *big.Int
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| 	lastConfirm string
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| 	wantNatSpec bool
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| }
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| 
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| func (self *testFrontend) AskPassword() (string, bool) {
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| 	return "", true
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| }
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| 
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| func (self *testFrontend) UnlockAccount(acc []byte) bool {
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| 	self.ethereum.AccountManager().Unlock(common.BytesToAddress(acc), "password")
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| 	return true
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| }
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| 
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| func (self *testFrontend) ConfirmTransaction(tx string) bool {
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| 	if self.wantNatSpec {
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| 		client := httpclient.New("/tmp/")
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| 		self.lastConfirm = GetNotice(self.xeth, tx, client)
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| 	}
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| 	return true
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| }
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| 
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| func testEth(t *testing.T) (ethereum *eth.Ethereum, err error) {
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| 
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| 	tmp, err := ioutil.TempDir("", "natspec-test")
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| 	if err != nil {
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| 		t.Fatal(err)
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| 	}
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| 	db, _ := ethdb.NewMemDatabase()
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| 	addr := common.HexToAddress(testAddress)
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| 	core.WriteGenesisBlockForTesting(db, core.GenesisAccount{addr, common.String2Big(testBalance)})
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| 	ks := crypto.NewKeyStorePassphrase(filepath.Join(tmp, "keystore"), crypto.LightScryptN, crypto.LightScryptP)
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| 	am := accounts.NewManager(ks)
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| 	keyb, err := crypto.HexToECDSA(testKey)
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| 	if err != nil {
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| 		t.Fatal(err)
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| 	}
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| 	key := crypto.NewKeyFromECDSA(keyb)
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| 	err = ks.StoreKey(key, "")
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| 	if err != nil {
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| 		t.Fatal(err)
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| 	}
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| 
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| 	err = am.Unlock(key.Address, "")
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| 	if err != nil {
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| 		t.Fatal(err)
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| 	}
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| 
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| 	// only use minimalistic stack with no networking
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| 	return eth.New(&node.ServiceContext{EventMux: new(event.TypeMux)}, ð.Config{
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| 		AccountManager:          am,
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| 		Etherbase:               common.HexToAddress(testAddress),
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| 		PowTest:                 true,
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| 		TestGenesisState:        db,
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| 		GpoMinGasPrice:          common.Big1,
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| 		GpobaseCorrectionFactor: 1,
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| 		GpoMaxGasPrice:          common.Big1,
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| 	})
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| }
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| 
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| func testInit(t *testing.T) (self *testFrontend) {
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| 	// initialise and start minimal ethereum stack
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| 	ethereum, err := testEth(t)
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| 	if err != nil {
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| 		t.Errorf("error creating ethereum: %v", err)
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| 		return
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| 	}
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| 	err = ethereum.Start(nil)
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| 	if err != nil {
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| 		t.Errorf("error starting ethereum: %v", err)
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| 		return
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| 	}
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| 
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| 	// mock frontend
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| 	self = &testFrontend{t: t, ethereum: ethereum}
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| 	self.xeth = xe.New(nil, self)
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| 	self.wait = self.xeth.UpdateState()
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| 	addr, _ := self.ethereum.Etherbase()
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| 
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| 	// initialise the registry contracts
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| 	reg := registrar.New(self.xeth)
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| 	registrar.GlobalRegistrarAddr = "0x0"
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| 
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| 	var txG, txH, txU string
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| 	txG, err = reg.SetGlobalRegistrar("", addr)
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| 	if err != nil {
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| 		t.Fatalf("error creating GlobalRegistrar: %v", err)
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| 	}
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| 	if !processTxs(self, t, 1) {
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| 		t.Fatalf("error mining txs")
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| 	}
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| 	recG := self.xeth.GetTxReceipt(common.HexToHash(txG))
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| 	if recG == nil {
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| 		t.Fatalf("blockchain error creating GlobalRegistrar")
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| 	}
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| 	registrar.GlobalRegistrarAddr = recG.ContractAddress.Hex()
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| 
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| 	txH, err = reg.SetHashReg("", addr)
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| 	if err != nil {
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| 		t.Errorf("error creating HashReg: %v", err)
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| 	}
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| 	if !processTxs(self, t, 1) {
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| 		t.Errorf("error mining txs")
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| 	}
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| 	recH := self.xeth.GetTxReceipt(common.HexToHash(txH))
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| 	if recH == nil {
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| 		t.Fatalf("blockchain error creating HashReg")
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| 	}
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| 	registrar.HashRegAddr = recH.ContractAddress.Hex()
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| 
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| 	txU, err = reg.SetUrlHint("", addr)
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| 	if err != nil {
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| 		t.Errorf("error creating UrlHint: %v", err)
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| 	}
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| 	if !processTxs(self, t, 1) {
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| 		t.Errorf("error mining txs")
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| 	}
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| 	recU := self.xeth.GetTxReceipt(common.HexToHash(txU))
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| 	if recU == nil {
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| 		t.Fatalf("blockchain error creating UrlHint")
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| 	}
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| 	registrar.UrlHintAddr = recU.ContractAddress.Hex()
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| 
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| 	return
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| }
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| 
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| // end to end test
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| func TestNatspecE2E(t *testing.T) {
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| 	t.Skip()
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| 
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| 	tf := testInit(t)
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| 	defer tf.ethereum.Stop()
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| 	addr, _ := tf.ethereum.Etherbase()
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| 
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| 	// create a contractInfo file (mock cloud-deployed contract metadocs)
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| 	// incidentally this is the info for the HashReg contract itself
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| 	ioutil.WriteFile("/tmp/"+testFileName, []byte(testContractInfo), os.ModePerm)
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| 	dochash := crypto.Keccak256Hash([]byte(testContractInfo))
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| 
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| 	// take the codehash for the contract we wanna test
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| 	codeb := tf.xeth.CodeAtBytes(registrar.HashRegAddr)
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| 	codehash := crypto.Keccak256Hash(codeb)
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| 
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| 	reg := registrar.New(tf.xeth)
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| 	_, err := reg.SetHashToHash(addr, codehash, dochash)
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| 	if err != nil {
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| 		t.Errorf("error registering: %v", err)
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| 	}
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| 	_, err = reg.SetUrlToHash(addr, dochash, "file:///"+testFileName)
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| 	if err != nil {
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| 		t.Errorf("error registering: %v", err)
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| 	}
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| 	if !processTxs(tf, t, 5) {
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| 		return
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| 	}
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| 
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| 	// NatSpec info for register method of HashReg contract installed
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| 	// now using the same transactions to check confirm messages
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| 
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| 	tf.wantNatSpec = true // this is set so now the backend uses natspec confirmation
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| 	_, err = reg.SetHashToHash(addr, codehash, dochash)
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| 	if err != nil {
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| 		t.Errorf("error calling contract registry: %v", err)
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| 	}
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| 
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| 	fmt.Printf("GlobalRegistrar: %v, HashReg: %v, UrlHint: %v\n", registrar.GlobalRegistrarAddr, registrar.HashRegAddr, registrar.UrlHintAddr)
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| 	if tf.lastConfirm != testExpNotice {
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| 		t.Errorf("Wrong confirm message. expected\n'%v', got\n'%v'", testExpNotice, tf.lastConfirm)
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| 	}
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| 
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| 	// test unknown method
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| 	exp := fmt.Sprintf(testExpNotice2, registrar.HashRegAddr)
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| 	_, err = reg.SetOwner(addr)
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| 	if err != nil {
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| 		t.Errorf("error setting owner: %v", err)
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| 	}
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| 
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| 	if tf.lastConfirm != exp {
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| 		t.Errorf("Wrong confirm message, expected\n'%v', got\n'%v'", exp, tf.lastConfirm)
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| 	}
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| 
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| 	// test unknown contract
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| 	exp = fmt.Sprintf(testExpNotice3, registrar.UrlHintAddr)
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| 
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| 	_, err = reg.SetUrlToHash(addr, dochash, "file:///test.content")
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| 	if err != nil {
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| 		t.Errorf("error registering: %v", err)
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| 	}
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| 
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| 	if tf.lastConfirm != exp {
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| 		t.Errorf("Wrong confirm message, expected '%v', got '%v'", exp, tf.lastConfirm)
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| 	}
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| 
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| }
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| 
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| func pendingTransactions(repl *testFrontend, t *testing.T) (txc int64, err error) {
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| 	txs := repl.ethereum.TxPool().GetTransactions()
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| 	return int64(len(txs)), nil
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| }
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| 
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| func processTxs(repl *testFrontend, t *testing.T, expTxc int) bool {
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| 	var txc int64
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| 	var err error
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| 	for i := 0; i < 50; i++ {
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| 		txc, err = pendingTransactions(repl, t)
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| 		if err != nil {
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| 			t.Errorf("unexpected error checking pending transactions: %v", err)
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| 			return false
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| 		}
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| 		if expTxc < int(txc) {
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| 			t.Errorf("too many pending transactions: expected %v, got %v", expTxc, txc)
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| 			return false
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| 		} else if expTxc == int(txc) {
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| 			break
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| 		}
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| 		time.Sleep(100 * time.Millisecond)
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| 	}
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| 	if int(txc) != expTxc {
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| 		t.Errorf("incorrect number of pending transactions, expected %v, got %v", expTxc, txc)
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| 		return false
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| 	}
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| 
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| 	err = repl.ethereum.StartMining(runtime.NumCPU(), "")
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| 	if err != nil {
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| 		t.Errorf("unexpected error mining: %v", err)
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| 		return false
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| 	}
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| 	defer repl.ethereum.StopMining()
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| 
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| 	timer := time.NewTimer(100 * time.Second)
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| 	height := new(big.Int).Add(repl.xeth.CurrentBlock().Number(), big.NewInt(1))
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| 	repl.wait <- height
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| 	select {
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| 	case <-timer.C:
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| 		// if times out make sure the xeth loop does not block
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| 		go func() {
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| 			select {
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| 			case repl.wait <- nil:
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| 			case <-repl.wait:
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| 			}
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| 		}()
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| 	case <-repl.wait:
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| 	}
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| 	txc, err = pendingTransactions(repl, t)
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| 	if err != nil {
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| 		t.Errorf("unexpected error checking pending transactions: %v", err)
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| 		return false
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| 	}
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| 	if txc != 0 {
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| 		t.Errorf("%d trasactions were not mined", txc)
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| 		return false
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| 	}
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| 	return true
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| }
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