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path: root/cmd/geth/js_test.go
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package main

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

    "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/resolver"
    "github.com/ethereum/go-ethereum/core"
    "github.com/ethereum/go-ethereum/core/state"
    "github.com/ethereum/go-ethereum/crypto"
    "github.com/ethereum/go-ethereum/eth"
    "github.com/ethereum/go-ethereum/rpc/comms"
    "github.com/ethereum/go-ethereum/rpc/codec"
)

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
    stateDb     *state.StateDB
    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) {
    tmp, err := ioutil.TempDir("", "geth-test")
    if err != nil {
        t.Fatal(err)
    }

    // set up mock genesis with balance on the testAddress
    core.GenesisAccounts = []byte(testGenesis)

    ks := crypto.NewKeyStorePlain(filepath.Join(tmp, "keystore"))
    am := accounts.NewManager(ks)
    ethereum, err := eth.New(&eth.Config{
        NodeKey:        testNodeKey,
        DataDir:        tmp,
        AccountManager: am,
        MaxPeers:       0,
        Name:           "test",
        SolcPath:       testSolcPath,
    })
    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")
    ds, err := docserver.New("/")
    if err != nil {
        t.Errorf("Error creating DocServer: %v", err)
    }
    tf := &testjethre{ds: ds, stateDb: ethereum.ChainManager().State().Copy()}
    client := comms.NewInProcClient(codec.JSON)
    repl := newJSRE(ethereum, assetPath, "", client, false, tf)
    tf.jsre = repl
    return tmp, tf, ethereum
}

// this line below is needed for transaction to be applied to the state in testing
// the heavy lifing is done in XEth.ApplyTestTxs
// this is fragile, overwriting xeth will result in
// process leaking since xeth loops cannot quit safely
// should be replaced by proper mining with testDAG for easy full integration tests
// txc, self.xeth = self.xeth.ApplyTestTxs(self.xeth.repl.stateDb, coinbase, txc)

func TestNodeInfo(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)
    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`, `"`+testAddress+`"`)

    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)
    }

    // skip until order fixed #824
    // checkEvalJSON(t, repl, `eth.accounts`, `["`+testAddress+`", "`+addr+`"]`)
    // checkEvalJSON(t, repl, `eth.coinbase`, `"`+testAddress+`"`)
}

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)`, `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()
    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)

    var txc uint64
    coinbase := common.HexToAddress(testAddress)
    resolver.New(repl.xeth).CreateContracts(coinbase)
    // time.Sleep(1000 * time.Millisecond)

    // checkEvalJSON(t, repl, `eth.getBlock("pending", true).transactions.length`, `2`)
    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`

    checkEvalJSON(t, repl, `admin.contractInfo.stop()`, `true`)

    contractInfo, err := ioutil.ReadFile("info_test.json")
    if err != nil {
        t.Fatalf("%v", err)
    }
    checkEvalJSON(t, repl, `primary = eth.accounts[0]`, `"`+testAddress+`"`)
    checkEvalJSON(t, repl, `source = "`+source+`"`, `"`+source+`"`)

    // 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 {
        checkEvalJSON(t, repl, `contract = eth.compile.solidity(source).test`, string(contractInfo))
    }

    checkEvalJSON(t, repl, `contract.code`, `"0x605880600c6000396000f3006000357c010000000000000000000000000000000000000000000000000000000090048063c6888fa114602e57005b603d6004803590602001506047565b8060005260206000f35b60006007820290506053565b91905056"`)

    checkEvalJSON(
        t, repl,
        `contractaddress = eth.sendTransaction({from: primary, data: contract.code })`,
        `"0x5dcaace5982778b409c524873b319667eba5d074"`,
    )

    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);
`
    // time.Sleep(1500 * time.Millisecond)
    _, err = repl.re.Run(callSetup)
    if err != nil {
        t.Errorf("unexpected error setting up contract, got %v", err)
    }

    // checkEvalJSON(t, repl, `eth.getBlock("pending", true).transactions.length`, `3`)

    // why is this sometimes failing?
    // checkEvalJSON(t, repl, `multiply7.multiply.call(6)`, `42`)
    expNotice := ""
    if repl.lastConfirm != expNotice {
        t.Errorf("incorrect confirmation message: expected %v, got %v", expNotice, repl.lastConfirm)
    }

    txc, repl.xeth = repl.xeth.ApplyTestTxs(repl.stateDb, coinbase, txc)

    checkEvalJSON(t, repl, `admin.contractInfo.start()`, `true`)
    checkEvalJSON(t, repl, `multiply7.multiply.sendTransaction(6, { from: primary, gas: "1000000", gasPrice: "100000" })`, `undefined`)
    expNotice = `About to submit transaction (no NatSpec info found for contract: content hash not found for '0x87e2802265838c7f14bb69eecd2112911af6767907a702eeaa445239fb20711b'): {"params":[{"to":"0x5dcaace5982778b409c524873b319667eba5d074","data": "0xc6888fa10000000000000000000000000000000000000000000000000000000000000006"}]}`
    if repl.lastConfirm != expNotice {
        t.Errorf("incorrect confirmation message: expected %v, got %v", expNotice, repl.lastConfirm)
    }

    var contenthash = `"0x86d2b7cf1e72e9a7a3f8d96601f0151742a2f780f1526414304fbe413dc7f9bd"`
    if sol != nil {
        modContractInfo := versionRE.ReplaceAll(contractInfo, []byte(`"compilerVersion":"`+sol.Version()+`"`))
        _ = modContractInfo
        // contenthash = crypto.Sha3(modContractInfo)
    }
    checkEvalJSON(t, repl, `filename = "/tmp/info.json"`, `"/tmp/info.json"`)
    checkEvalJSON(t, repl, `contenthash = admin.contractInfo.register(primary, contractaddress, contract, filename)`, contenthash)
    checkEvalJSON(t, repl, `admin.contractInfo.registerUrl(primary, contenthash, "file://"+filename)`, `true`)
    if err != nil {
        t.Errorf("unexpected error registering, got %v", err)
    }

    checkEvalJSON(t, repl, `admin.contractInfo.start()`, `true`)

    // update state
    txc, repl.xeth = repl.xeth.ApplyTestTxs(repl.stateDb, coinbase, txc)

    checkEvalJSON(t, repl, `multiply7.multiply.sendTransaction(6, { from: primary, gas: "1000000", gasPrice: "100000" })`, `undefined`)
    expNotice = "Will multiply 6 by 7."
    if repl.lastConfirm != expNotice {
        t.Errorf("incorrect confirmation message: expected %v, got %v", expNotice, repl.lastConfirm)
    }

}

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
}