aboutsummaryrefslogtreecommitdiffstats
path: root/common/natspec/natspec_e2e_test.go
blob: 890bdd9cadcfaec115165673eb56e8ed3edb2d88 (plain) (blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
// 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 Lesser 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 Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with go-ethereum.  If not, see <http://www.gnu.org/licenses/>.

package natspec

import (
    "fmt"
    "io/ioutil"
    "math/big"
    "os"
    "runtime"
    "strings"
    "testing"
    "time"

    "github.com/ethereum/go-ethereum/accounts"
    "github.com/ethereum/go-ethereum/common"
    "github.com/ethereum/go-ethereum/common/docserver"
    "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"
    xe "github.com/ethereum/go-ethereum/xeth"
)

const (
    testBalance = "10000000000000000000"

    testFileName = "long_file_name_for_testing_registration_of_URLs_longer_than_32_bytes.content"

    testNotice = "Register key `utils.toHex(_key)` <- content `utils.toHex(_content)`"

    testExpNotice = "Register key 0xadd1a7d961cff0242089674ec2ef6fca671ab15e1fe80e38859fc815b98d88ab <- content 0xb3a2dea218de5d8bbe6c4645aadbf67b5ab00ecb1a9ec95dbdad6a0eed3e41a7"

    testExpNotice2 = `About to submit transaction (NatSpec notice error: abi key does not match any method): {"params":[{"to":"%s","data": "0x31e12c20"}]}`

    testExpNotice3 = `About to submit transaction (no NatSpec info found for contract: content hash not found for '0x1392c62d05b2d149e22a339c531157ae06b44d39a674cce500064b12b9aeb019'): {"params":[{"to":"%s","data": "0x300a3bbfb3a2dea218de5d8bbe6c4645aadbf67b5ab00ecb1a9ec95dbdad6a0eed3e41a7000000000000000000000000000000000000000000000000000000000000000000000000000000000000000066696c653a2f2f2f746573742e636f6e74656e74"}]}`
)

const (
    testUserDoc = `
{
  "methods": {
    "register(uint256,uint256)": {
      "notice":  "` + testNotice + `"
    }
  },
  "invariants": [
    { "notice": "" }
  ],
  "construction": [
    { "notice": "" }
  ]
}
`
    testAbiDefinition = `
[{
  "name": "register",
  "constant": false,
  "type": "function",
  "inputs": [{
    "name": "_key",
    "type": "uint256"
  }, {
    "name": "_content",
    "type": "uint256"
  }],
  "outputs": []
}]
`

    testContractInfo = `
{
    "userDoc": ` + testUserDoc + `,
    "abiDefinition": ` + testAbiDefinition + `
}
`
)

type testFrontend struct {
    t           *testing.T
    ethereum    *eth.Ethereum
    xeth        *xe.XEth
    wait        chan *big.Int
    lastConfirm string
    wantNatSpec bool
}

func (self *testFrontend) UnlockAccount(acc []byte) bool {
    self.ethereum.AccountManager().Unlock(common.BytesToAddress(acc), "password")
    return true
}

func (self *testFrontend) ConfirmTransaction(tx string) bool {
    if self.wantNatSpec {
        ds := docserver.New("/tmp/")
        self.lastConfirm = GetNotice(self.xeth, tx, ds)
    }
    return true
}

func testEth(t *testing.T) (ethereum *eth.Ethereum, err error) {

    os.RemoveAll("/tmp/eth-natspec/")

    err = os.MkdirAll("/tmp/eth-natspec/keystore", os.ModePerm)
    if err != nil {
        panic(err)
    }

    // create a testAddress
    ks := crypto.NewKeyStorePassphrase("/tmp/eth-natspec/keystore")
    am := accounts.NewManager(ks)
    testAccount, err := am.NewAccount("password")
    if err != nil {
        panic(err)
    }
    testAddress := strings.TrimPrefix(testAccount.Address.Hex(), "0x")

    // set up mock genesis with balance on the testAddress
    core.GenesisAccounts = []byte(`{
    "` + testAddress + `": {"balance": "` + testBalance + `"}
    }`)

    // only use minimalistic stack with no networking
    ethereum, err = eth.New(&eth.Config{
        DataDir:        "/tmp/eth-natspec",
        AccountManager: am,
        MaxPeers:       0,
        PowTest:        true,
        Etherbase:      testAddress,
    })

    if err != nil {
        panic(err)
    }

    return
}

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

}

// 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)
    }

}

func pendingTransactions(repl *testFrontend, t *testing.T) (txc int64, err error) {
    txs := repl.ethereum.TxPool().GetTransactions()
    return int64(len(txs)), nil
}

func processTxs(repl *testFrontend, 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
}