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path: root/cmd/geth/js_test.go
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// Copyright 2015 The go-ethereum Authors
// This file is part of go-ethereum.
//
// go-ethereum is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// go-ethereum 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 General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with go-ethereum.  If not, see <http://www.gnu.org/licenses/>.

package main

import (
    "fmt"
    "io/ioutil"
    "math/big"
    "os"
    "path/filepath"
    "regexp"
    "runtime"
    "strconv"
    "testing"
    "time"

    "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/docserver"
    "github.com/ethereum/go-ethereum/common/natspec"
    "github.com/ethereum/go-ethereum/common/registrar"
    "github.com/ethereum/go-ethereum/core"
    "github.com/ethereum/go-ethereum/crypto"
    "github.com/ethereum/go-ethereum/eth"
    "github.com/ethereum/go-ethereum/ethdb"
    "github.com/ethereum/go-ethereum/rpc/codec"
    "github.com/ethereum/go-ethereum/rpc/comms"
)

const (
    testSolcPath = ""
    solcVersion  = "0.9.23"

    testKey     = "e6fab74a43941f82d89cb7faa408e227cdad3153c4720e540e855c19b15e6674"
    testAddress = "0x8605cdbbdb6d264aa742e77020dcbc58fcdce182"
    testBalance = "10000000000000000000"
    // of empty string
    testHash = "0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470"
)

var (
    versionRE   = regexp.MustCompile(strconv.Quote(`"compilerVersion":"` + solcVersion + `"`))
    testNodeKey = crypto.ToECDSA(common.Hex2Bytes("4b50fa71f5c3eeb8fdc452224b2395af2fcc3d125e06c32c82e048c0559db03f"))
    testGenesis = `{"` + testAddress[2:] + `": {"balance": "` + testBalance + `"}}`
)

type testjethre struct {
    *jsre
    lastConfirm string
    ds          *docserver.DocServer
}

func (self *testjethre) UnlockAccount(acc []byte) bool {
    err := self.ethereum.AccountManager().Unlock(common.BytesToAddress(acc), "")
    if err != nil {
        panic("unable to unlock")
    }
    return true
}

func (self *testjethre) ConfirmTransaction(tx string) bool {
    if self.ethereum.NatSpec {
        self.lastConfirm = natspec.GetNotice(self.xeth, tx, self.ds)
    }
    return true
}

func testJEthRE(t *testing.T) (string, *testjethre, *eth.Ethereum) {
    return testREPL(t, nil)
}

func testREPL(t *testing.T, config func(*eth.Config)) (string, *testjethre, *eth.Ethereum) {
    tmp, err := ioutil.TempDir("", "geth-test")
    if err != nil {
        t.Fatal(err)
    }

    db, _ := ethdb.NewMemDatabase()

    core.WriteGenesisBlockForTesting(db, common.HexToAddress(testAddress), common.String2Big(testBalance))
    ks := crypto.NewKeyStorePlain(filepath.Join(tmp, "keystore"))
    am := accounts.NewManager(ks)
    conf := &eth.Config{
        NodeKey:        testNodeKey,
        DataDir:        tmp,
        AccountManager: am,
        MaxPeers:       0,
        Name:           "test",
        SolcPath:       testSolcPath,
        PowTest:        true,
        NewDB:          func(path string) (common.Database, error) { return db, nil },
    }
    if config != nil {
        config(conf)
    }
    ethereum, err := eth.New(conf)
    if err != nil {
        t.Fatal("%v", err)
    }

    keyb, err := crypto.HexToECDSA(testKey)
    if err != nil {
        t.Fatal(err)
    }
    key := crypto.NewKeyFromECDSA(keyb)
    err = ks.StoreKey(key, "")
    if err != nil {
        t.Fatal(err)
    }

    err = am.Unlock(key.Address, "")
    if err != nil {
        t.Fatal(err)
    }

    assetPath := filepath.Join(os.Getenv("GOPATH"), "src", "github.com", "ethereum", "go-ethereum", "cmd", "mist", "assets", "ext")
    client := comms.NewInProcClient(codec.JSON)
    ds := docserver.New("/")
    tf := &testjethre{ds: ds}
    repl := newJSRE(ethereum, assetPath, "", client, false, tf)
    tf.jsre = repl
    return tmp, tf, ethereum
}

func TestNodeInfo(t *testing.T) {
    t.Skip("broken after p2p update")
    tmp, repl, ethereum := testJEthRE(t)
    if err := ethereum.Start(); err != nil {
        t.Fatalf("error starting ethereum: %v", err)
    }
    defer ethereum.Stop()
    defer os.RemoveAll(tmp)

    want := `{"DiscPort":0,"IP":"0.0.0.0","ListenAddr":"","Name":"test","NodeID":"4cb2fc32924e94277bf94b5e4c983beedb2eabd5a0bc941db32202735c6625d020ca14a5963d1738af43b6ac0a711d61b1a06de931a499fe2aa0b1a132a902b5","NodeUrl":"enode://4cb2fc32924e94277bf94b5e4c983beedb2eabd5a0bc941db32202735c6625d020ca14a5963d1738af43b6ac0a711d61b1a06de931a499fe2aa0b1a132a902b5@0.0.0.0:0","TCPPort":0,"Td":"131072"}`
    checkEvalJSON(t, repl, `admin.nodeInfo`, want)
}

func TestAccounts(t *testing.T) {
    tmp, repl, ethereum := testJEthRE(t)
    if err := ethereum.Start(); err != nil {
        t.Fatalf("error starting ethereum: %v", err)
    }
    defer ethereum.Stop()
    defer os.RemoveAll(tmp)

    checkEvalJSON(t, repl, `eth.accounts`, `["`+testAddress+`"]`)
    checkEvalJSON(t, repl, `eth.coinbase`, `null`)
    val, err := repl.re.Run(`personal.newAccount("password")`)
    if err != nil {
        t.Errorf("expected no error, got %v", err)
    }
    addr := val.String()
    if !regexp.MustCompile(`0x[0-9a-f]{40}`).MatchString(addr) {
        t.Errorf("address not hex: %q", addr)
    }

    checkEvalJSON(t, repl, `eth.accounts`, `["`+testAddress+`","`+addr+`"]`)
}

func TestBlockChain(t *testing.T) {
    tmp, repl, ethereum := testJEthRE(t)
    if err := ethereum.Start(); err != nil {
        t.Fatalf("error starting ethereum: %v", err)
    }
    defer ethereum.Stop()
    defer os.RemoveAll(tmp)
    // get current block dump before export/import.
    val, err := repl.re.Run("JSON.stringify(debug.dumpBlock(eth.blockNumber))")
    if err != nil {
        t.Errorf("expected no error, got %v", err)
    }
    beforeExport := val.String()

    // do the export
    extmp, err := ioutil.TempDir("", "geth-test-export")
    if err != nil {
        t.Fatal(err)
    }
    defer os.RemoveAll(extmp)
    tmpfile := filepath.Join(extmp, "export.chain")
    tmpfileq := strconv.Quote(tmpfile)

    ethereum.ChainManager().Reset()

    checkEvalJSON(t, repl, `admin.exportChain(`+tmpfileq+`)`, `true`)
    if _, err := os.Stat(tmpfile); err != nil {
        t.Fatal(err)
    }

    // check import, verify that dumpBlock gives the same result.
    checkEvalJSON(t, repl, `admin.importChain(`+tmpfileq+`)`, `true`)
    checkEvalJSON(t, repl, `debug.dumpBlock(eth.blockNumber)`, beforeExport)
}

func TestMining(t *testing.T) {
    tmp, repl, ethereum := testJEthRE(t)
    if err := ethereum.Start(); err != nil {
        t.Fatalf("error starting ethereum: %v", err)
    }
    defer ethereum.Stop()
    defer os.RemoveAll(tmp)
    checkEvalJSON(t, repl, `eth.mining`, `false`)
}

func TestRPC(t *testing.T) {
    tmp, repl, ethereum := testJEthRE(t)
    if err := ethereum.Start(); err != nil {
        t.Errorf("error starting ethereum: %v", err)
        return
    }
    defer ethereum.Stop()
    defer os.RemoveAll(tmp)

    checkEvalJSON(t, repl, `admin.startRPC("127.0.0.1", 5004, "*", "web3,eth,net")`, `true`)
}

func TestCheckTestAccountBalance(t *testing.T) {
    t.Skip() // i don't think it tests the correct behaviour here. it's actually testing
    // internals which shouldn't be tested. This now fails because of a change in the core
    // and i have no means to fix this, sorry - @obscuren
    tmp, repl, ethereum := testJEthRE(t)
    if err := ethereum.Start(); err != nil {
        t.Errorf("error starting ethereum: %v", err)
        return
    }
    defer ethereum.Stop()
    defer os.RemoveAll(tmp)

    repl.re.Run(`primary = "` + testAddress + `"`)
    checkEvalJSON(t, repl, `eth.getBalance(primary)`, `"`+testBalance+`"`)
}

func TestSignature(t *testing.T) {
    tmp, repl, ethereum := testJEthRE(t)
    if err := ethereum.Start(); err != nil {
        t.Errorf("error starting ethereum: %v", err)
        return
    }
    defer ethereum.Stop()
    defer os.RemoveAll(tmp)

    val, err := repl.re.Run(`eth.sign("` + testAddress + `", "` + testHash + `")`)

    // This is a very preliminary test, lacking actual signature verification
    if err != nil {
        t.Errorf("Error running js: %v", err)
        return
    }
    output := val.String()
    t.Logf("Output: %v", output)

    regex := regexp.MustCompile(`^0x[0-9a-f]{130}$`)
    if !regex.MatchString(output) {
        t.Errorf("Signature is not 65 bytes represented in hexadecimal.")
        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 pendingTransactions(repl *testjethre, t *testing.T) (txc int64, err error) {
    txs := repl.ethereum.TxPool().GetTransactions()
    return int64(len(txs)), nil
}

func processTxs(repl *testjethre, t *testing.T, expTxc int) bool {
    var txc int64
    var err error
    for i := 0; i < 50; i++ {
        txc, err = pendingTransactions(repl, t)
        if err != nil {
            t.Errorf("unexpected error checking pending transactions: %v", err)
            return false
        }
        if expTxc < int(txc) {
            t.Errorf("too many pending transactions: expected %v, got %v", expTxc, txc)
            return false
        } else if expTxc == int(txc) {
            break
        }
        time.Sleep(100 * time.Millisecond)
    }
    if int(txc) != expTxc {
        t.Errorf("incorrect number of pending transactions, expected %v, got %v", expTxc, txc)
        return false
    }

    err = repl.ethereum.StartMining(runtime.NumCPU())
    if err != nil {
        t.Errorf("unexpected error mining: %v", err)
        return false
    }
    defer repl.ethereum.StopMining()

    timer := time.NewTimer(100 * time.Second)
    height := new(big.Int).Add(repl.xeth.CurrentBlock().Number(), big.NewInt(1))
    repl.wait <- height
    select {
    case <-timer.C:
        // if times out make sure the xeth loop does not block
        go func() {
            select {
            case repl.wait <- nil:
            case <-repl.wait:
            }
        }()
    case <-repl.wait:
    }
    txc, err = pendingTransactions(repl, t)
    if err != nil {
        t.Errorf("unexpected error checking pending transactions: %v", err)
        return false
    }
    if txc != 0 {
        t.Errorf("%d trasactions were not mined", txc)
        return false
    }
    return true
}

func checkEvalJSON(t *testing.T, re *testjethre, expr, want string) error {
    val, err := re.re.Run("JSON.stringify(" + expr + ")")
    if err == nil && val.String() != want {
        err = fmt.Errorf("Output mismatch for `%s`:\ngot:  %s\nwant: %s", expr, val.String(), want)
    }
    if err != nil {
        _, file, line, _ := runtime.Caller(1)
        file = filepath.Base(file)
        fmt.Printf("\t%s:%d: %v\n", file, line, err)
        t.Fail()
    }
    return err
}