aboutsummaryrefslogtreecommitdiffstats
path: root/accounts/abi/bind/bind_test.go
blob: 8ea3eca41526337f57495dd87a4cb68f99038117 (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
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
// Copyright 2016 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library 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.
//
// The go-ethereum library 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 the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.

package bind

import (
    "fmt"
    "io/ioutil"
    "os"
    "os/exec"
    "path/filepath"
    "runtime"
    "strings"
    "testing"

    "github.com/ethereum/go-ethereum/common"
    "golang.org/x/tools/imports"
)

var bindTests = []struct {
    name     string
    contract string
    bytecode string
    abi      string
    tester   string
}{
    // Test that the binding is available in combined and separate forms too
    {
        `Empty`,
        `contract NilContract {}`,
        `606060405260068060106000396000f3606060405200`,
        `[]`,
        `
            if b, err := NewEmpty(common.Address{}, nil); b == nil || err != nil {
                t.Fatalf("combined binding (%v) nil or error (%v) not nil", b, nil)
            }
            if b, err := NewEmptyCaller(common.Address{}, nil); b == nil || err != nil {
                t.Fatalf("caller binding (%v) nil or error (%v) not nil", b, nil)
            }
            if b, err := NewEmptyTransactor(common.Address{}, nil); b == nil || err != nil {
                t.Fatalf("transactor binding (%v) nil or error (%v) not nil", b, nil)
            }
        `,
    },
    // Test that all the official sample contracts bind correctly
    {
        `Token`,
        `https://ethereum.org/token`,
        `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`,
        `[{"constant":true,"inputs":[],"name":"name","outputs":[{"name":"","type":"string"}],"type":"function"},{"constant":false,"inputs":[{"name":"_from","type":"address"},{"name":"_to","type":"address"},{"name":"_value","type":"uint256"}],"name":"transferFrom","outputs":[{"name":"success","type":"bool"}],"type":"function"},{"constant":true,"inputs":[],"name":"decimals","outputs":[{"name":"","type":"uint8"}],"type":"function"},{"constant":true,"inputs":[{"name":"","type":"address"}],"name":"balanceOf","outputs":[{"name":"","type":"uint256"}],"type":"function"},{"constant":true,"inputs":[],"name":"symbol","outputs":[{"name":"","type":"string"}],"type":"function"},{"constant":false,"inputs":[{"name":"_to","type":"address"},{"name":"_value","type":"uint256"}],"name":"transfer","outputs":[],"type":"function"},{"constant":false,"inputs":[{"name":"_spender","type":"address"},{"name":"_value","type":"uint256"},{"name":"_extraData","type":"bytes"}],"name":"approveAndCall","outputs":[{"name":"success","type":"bool"}],"type":"function"},{"constant":true,"inputs":[{"name":"","type":"address"},{"name":"","type":"address"}],"name":"spentAllowance","outputs":[{"name":"","type":"uint256"}],"type":"function"},{"constant":true,"inputs":[{"name":"","type":"address"},{"name":"","type":"address"}],"name":"allowance","outputs":[{"name":"","type":"uint256"}],"type":"function"},{"inputs":[{"name":"initialSupply","type":"uint256"},{"name":"tokenName","type":"string"},{"name":"decimalUnits","type":"uint8"},{"name":"tokenSymbol","type":"string"}],"type":"constructor"},{"anonymous":false,"inputs":[{"indexed":true,"name":"from","type":"address"},{"indexed":true,"name":"to","type":"address"},{"indexed":false,"name":"value","type":"uint256"}],"name":"Transfer","type":"event"}]`,
        `
            if b, err := NewToken(common.Address{}, nil); b == nil || err != nil {
                t.Fatalf("binding (%v) nil or error (%v) not nil", b, nil)
            }
        `,
    },
    {
        `Crowdsale`,
        `https://ethereum.org/crowdsale`,
        `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`,
        `[{"constant":false,"inputs":[],"name":"checkGoalReached","outputs":[],"type":"function"},{"constant":true,"inputs":[],"name":"deadline","outputs":[{"name":"","type":"uint256"}],"type":"function"},{"constant":true,"inputs":[],"name":"beneficiary","outputs":[{"name":"","type":"address"}],"type":"function"},{"constant":true,"inputs":[],"name":"tokenReward","outputs":[{"name":"","type":"address"}],"type":"function"},{"constant":true,"inputs":[],"name":"fundingGoal","outputs":[{"name":"","type":"uint256"}],"type":"function"},{"constant":true,"inputs":[],"name":"amountRaised","outputs":[{"name":"","type":"uint256"}],"type":"function"},{"constant":true,"inputs":[],"name":"price","outputs":[{"name":"","type":"uint256"}],"type":"function"},{"constant":true,"inputs":[{"name":"","type":"uint256"}],"name":"funders","outputs":[{"name":"addr","type":"address"},{"name":"amount","type":"uint256"}],"type":"function"},{"inputs":[{"name":"ifSuccessfulSendTo","type":"address"},{"name":"fundingGoalInEthers","type":"uint256"},{"name":"durationInMinutes","type":"uint256"},{"name":"etherCostOfEachToken","type":"uint256"},{"name":"addressOfTokenUsedAsReward","type":"address"}],"type":"constructor"},{"anonymous":false,"inputs":[{"indexed":false,"name":"backer","type":"address"},{"indexed":false,"name":"amount","type":"uint256"},{"indexed":false,"name":"isContribution","type":"bool"}],"name":"FundTransfer","type":"event"}]`,
        `
            if b, err := NewCrowdsale(common.Address{}, nil); b == nil || err != nil {
                t.Fatalf("binding (%v) nil or error (%v) not nil", b, nil)
            }
        `,
    },
    {
        `DAO`,
        `https://ethereum.org/dao`,
        `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`,
        `[{"constant":true,"inputs":[{"name":"","type":"uint256"}],"name":"proposals","outputs":[{"name":"recipient","type":"address"},{"name":"amount","type":"uint256"},{"name":"description","type":"string"},{"name":"votingDeadline","type":"uint256"},{"name":"executed","type":"bool"},{"name":"proposalPassed","type":"bool"},{"name":"numberOfVotes","type":"uint256"},{"name":"currentResult","type":"int256"},{"name":"proposalHash","type":"bytes32"}],"type":"function"},{"constant":false,"inputs":[{"name":"proposalNumber","type":"uint256"},{"name":"transactionBytecode","type":"bytes"}],"name":"executeProposal","outputs":[{"name":"result","type":"int256"}],"type":"function"},{"constant":true,"inputs":[{"name":"","type":"address"}],"name":"memberId","outputs":[{"name":"","type":"uint256"}],"type":"function"},{"constant":true,"inputs":[],"name":"numProposals","outputs":[{"name":"","type":"uint256"}],"type":"function"},{"constant":true,"inputs":[{"name":"","type":"uint256"}],"name":"members","outputs":[{"name":"member","type":"address"},{"name":"canVote","type":"bool"},{"name":"name","type":"string"},{"name":"memberSince","type":"uint256"}],"type":"function"},{"constant":true,"inputs":[],"name":"debatingPeriodInMinutes","outputs":[{"name":"","type":"uint256"}],"type":"function"},{"constant":true,"inputs":[],"name":"minimumQuorum","outputs":[{"name":"","type":"uint256"}],"type":"function"},{"constant":true,"inputs":[],"name":"owner","outputs":[{"name":"","type":"address"}],"type":"function"},{"constant":false,"inputs":[{"name":"targetMember","type":"address"},{"name":"canVote","type":"bool"},{"name":"memberName","type":"string"}],"name":"changeMembership","outputs":[],"type":"function"},{"constant":true,"inputs":[],"name":"majorityMargin","outputs":[{"name":"","type":"int256"}],"type":"function"},{"constant":false,"inputs":[{"name":"beneficiary","type":"address"},{"name":"etherAmount","type":"uint256"},{"name":"JobDescription","type":"string"},{"name":"transactionBytecode","type":"bytes"}],"name":"newProposal","outputs":[{"name":"proposalID","type":"uint256"}],"type":"function"},{"constant":false,"inputs":[{"name":"minimumQuorumForProposals","type":"uint256"},{"name":"minutesForDebate","type":"uint256"},{"name":"marginOfVotesForMajority","type":"int256"}],"name":"changeVotingRules","outputs":[],"type":"function"},{"constant":false,"inputs":[{"name":"proposalNumber","type":"uint256"},{"name":"supportsProposal","type":"bool"},{"name":"justificationText","type":"string"}],"name":"vote","outputs":[{"name":"voteID","type":"uint256"}],"type":"function"},{"constant":true,"inputs":[{"name":"proposalNumber","type":"uint256"},{"name":"beneficiary","type":"address"},{"name":"etherAmount","type":"uint256"},{"name":"transactionBytecode","type":"bytes"}],"name":"checkProposalCode","outputs":[{"name":"codeChecksOut","type":"bool"}],"type":"function"},{"constant":false,"inputs":[{"name":"newOwner","type":"address"}],"name":"transferOwnership","outputs":[],"type":"function"},{"inputs":[{"name":"minimumQuorumForProposals","type":"uint256"},{"name":"minutesForDebate","type":"uint256"},{"name":"marginOfVotesForMajority","type":"int256"},{"name":"congressLeader","type":"address"}],"type":"constructor"},{"anonymous":false,"inputs":[{"indexed":false,"name":"proposalID","type":"uint256"},{"indexed":false,"name":"recipient","type":"address"},{"indexed":false,"name":"amount","type":"uint256"},{"indexed":false,"name":"description","type":"string"}],"name":"ProposalAdded","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"name":"proposalID","type":"uint256"},{"indexed":false,"name":"position","type":"bool"},{"indexed":false,"name":"voter","type":"address"},{"indexed":false,"name":"justification","type":"string"}],"name":"Voted","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"name":"proposalID","type":"uint256"},{"indexed":false,"name":"result","type":"int256"},{"indexed":false,"name":"quorum","type":"uint256"},{"indexed":false,"name":"active","type":"bool"}],"name":"ProposalTallied","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"name":"member","type":"address"},{"indexed":false,"name":"isMember","type":"bool"}],"name":"MembershipChanged","type":"event"},{"anonymous":false,"inputs":[{"indexed":false,"name":"minimumQuorum","type":"uint256"},{"indexed":false,"name":"debatingPeriodInMinutes","type":"uint256"},{"indexed":false,"name":"majorityMargin","type":"int256"}],"name":"ChangeOfRules","type":"event"}]`,
        `
            if b, err := NewDAO(common.Address{}, nil); b == nil || err != nil {
                t.Fatalf("binding (%v) nil or error (%v) not nil", b, nil)
            }
        `,
    },
    // Test that named and anonymous inputs are handled correctly
    {
        `InputChecker`, ``, ``,
        `
            [
                {"type":"function","name":"noInput","constant":true,"inputs":[],"outputs":[]},
                {"type":"function","name":"namedInput","constant":true,"inputs":[{"name":"str","type":"string"}],"outputs":[]},
                {"type":"function","name":"anonInput","constant":true,"inputs":[{"name":"","type":"string"}],"outputs":[]},
                {"type":"function","name":"namedInputs","constant":true,"inputs":[{"name":"str1","type":"string"},{"name":"str2","type":"string"}],"outputs":[]},
                {"type":"function","name":"anonInputs","constant":true,"inputs":[{"name":"","type":"string"},{"name":"","type":"string"}],"outputs":[]},
                {"type":"function","name":"mixedInputs","constant":true,"inputs":[{"name":"","type":"string"},{"name":"str","type":"string"}],"outputs":[]}
            ]
        `,
        `if b, err := NewInputChecker(common.Address{}, nil); b == nil || err != nil {
             t.Fatalf("binding (%v) nil or error (%v) not nil", b, nil)
         } else if false { // Don't run, just compile and test types
             var err error

             err = b.NoInput(nil)
             err = b.NamedInput(nil, "")
             err = b.AnonInput(nil, "")
             err = b.NamedInputs(nil, "", "")
             err = b.AnonInputs(nil, "", "")
             err = b.MixedInputs(nil, "", "")

             fmt.Println(err)
         }`,
    },
    // Test that named and anonymous outputs are handled correctly
    {
        `OutputChecker`, ``, ``,
        `
            [
                {"type":"function","name":"noOutput","constant":true,"inputs":[],"outputs":[]},
                {"type":"function","name":"namedOutput","constant":true,"inputs":[],"outputs":[{"name":"str","type":"string"}]},
                {"type":"function","name":"anonOutput","constant":true,"inputs":[],"outputs":[{"name":"","type":"string"}]},
                {"type":"function","name":"namedOutputs","constant":true,"inputs":[],"outputs":[{"name":"str1","type":"string"},{"name":"str2","type":"string"}]},
                {"type":"function","name":"anonOutputs","constant":true,"inputs":[],"outputs":[{"name":"","type":"string"},{"name":"","type":"string"}]},
                {"type":"function","name":"mixedOutputs","constant":true,"inputs":[],"outputs":[{"name":"","type":"string"},{"name":"str","type":"string"}]}
            ]
        `,
        `if b, err := NewOutputChecker(common.Address{}, nil); b == nil || err != nil {
             t.Fatalf("binding (%v) nil or error (%v) not nil", b, nil)
         } else if false { // Don't run, just compile and test types
             var str1, str2 string
             var err error

             err              = b.NoOutput(nil)
             str1, err        = b.NamedOutput(nil)
             str1, err        = b.AnonOutput(nil)
             res, _          := b.NamedOutputs(nil)
             str1, str2, err  = b.AnonOutputs(nil)
             str1, str2, err  = b.MixedOutputs(nil)

             fmt.Println(str1, str2, res.Str1, res.Str2, err)
         }`,
    },
    // Test that contract interactions (deploy, transact and call) generate working code
    {
        `Interactor`,
        `
            contract Interactor {
                string public deployString;
                string public transactString;

                function Interactor(string str) {
                  deployString = str;
                }

                function transact(string str) {
                  transactString = str;
                }
            }
        `,
        `6060604052604051610328380380610328833981016040528051018060006000509080519060200190828054600181600116156101000203166002900490600052602060002090601f016020900481019282601f10608d57805160ff19168380011785555b50607c9291505b8082111560ba57838155600101606b565b50505061026a806100be6000396000f35b828001600101855582156064579182015b828111156064578251826000505591602001919060010190609e565b509056606060405260e060020a60003504630d86a0e181146100315780636874e8091461008d578063d736c513146100ea575b005b610190600180546020600282841615610100026000190190921691909104601f810182900490910260809081016040526060828152929190828280156102295780601f106101fe57610100808354040283529160200191610229565b61019060008054602060026001831615610100026000190190921691909104601f810182900490910260809081016040526060828152929190828280156102295780601f106101fe57610100808354040283529160200191610229565b60206004803580820135601f81018490049093026080908101604052606084815261002f946024939192918401918190838280828437509496505050505050508060016000509080519060200190828054600181600116156101000203166002900490600052602060002090601f016020900481019282601f1061023157805160ff19168380011785555b506102619291505b808211156102665760008155830161017d565b60405180806020018281038252838181518152602001915080519060200190808383829060006004602084601f0104600f02600301f150905090810190601f1680156101f05780820380516001836020036101000a031916815260200191505b509250505060405180910390f35b820191906000526020600020905b81548152906001019060200180831161020c57829003601f168201915b505050505081565b82800160010185558215610175579182015b82811115610175578251826000505591602001919060010190610243565b505050565b509056`,
        `[{"constant":true,"inputs":[],"name":"transactString","outputs":[{"name":"","type":"string"}],"type":"function"},{"constant":true,"inputs":[],"name":"deployString","outputs":[{"name":"","type":"string"}],"type":"function"},{"constant":false,"inputs":[{"name":"str","type":"string"}],"name":"transact","outputs":[],"type":"function"},{"inputs":[{"name":"str","type":"string"}],"type":"constructor"}]`,
        `
            // Generate a new random account and a funded simulator
            key, _ := crypto.GenerateKey()
            auth := bind.NewKeyedTransactor(key)
            sim := backends.NewSimulatedBackend(core.GenesisAlloc{auth.From: {Balance: big.NewInt(10000000000)}})

            // Deploy an interaction tester contract and call a transaction on it
            _, _, interactor, err := DeployInteractor(auth, sim, "Deploy string")
            if err != nil {
                t.Fatalf("Failed to deploy interactor contract: %v", err)
            }
            if _, err := interactor.Transact(auth, "Transact string"); err != nil {
                t.Fatalf("Failed to transact with interactor contract: %v", err)
            }
            // Commit all pending transactions in the simulator and check the contract state
            sim.Commit()

            if str, err := interactor.DeployString(nil); err != nil {
                t.Fatalf("Failed to retrieve deploy string: %v", err)
            } else if str != "Deploy string" {
                t.Fatalf("Deploy string mismatch: have '%s', want 'Deploy string'", str)
            }
            if str, err := interactor.TransactString(nil); err != nil {
                t.Fatalf("Failed to retrieve transact string: %v", err)
            } else if str != "Transact string" {
                t.Fatalf("Transact string mismatch: have '%s', want 'Transact string'", str)
            }
        `,
    },
    // Tests that plain values can be properly returned and deserialized
    {
        `Getter`,
        `
            contract Getter {
                function getter() constant returns (string, int, bytes32) {
                    return ("Hi", 1, sha3(""));
                }
            }
        `,
        `606060405260dc8060106000396000f3606060405260e060020a6000350463993a04b78114601a575b005b600060605260c0604052600260809081527f486900000000000000000000000000000000000000000000000000000000000060a05260017fc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a47060e0829052610100819052606060c0908152600261012081905281906101409060a09080838184600060046012f1505081517fffff000000000000000000000000000000000000000000000000000000000000169091525050604051610160819003945092505050f3`,
        `[{"constant":true,"inputs":[],"name":"getter","outputs":[{"name":"","type":"string"},{"name":"","type":"int256"},{"name":"","type":"bytes32"}],"type":"function"}]`,
        `
            // Generate a new random account and a funded simulator
            key, _ := crypto.GenerateKey()
            auth := bind.NewKeyedTransactor(key)
            sim := backends.NewSimulatedBackend(core.GenesisAlloc{auth.From: {Balance: big.NewInt(10000000000)}})

            // Deploy a tuple tester contract and execute a structured call on it
            _, _, getter, err := DeployGetter(auth, sim)
            if err != nil {
                t.Fatalf("Failed to deploy getter contract: %v", err)
            }
            sim.Commit()

            if str, num, _, err := getter.Getter(nil); err != nil {
                t.Fatalf("Failed to call anonymous field retriever: %v", err)
            } else if str != "Hi" || num.Cmp(big.NewInt(1)) != 0 {
                t.Fatalf("Retrieved value mismatch: have %v/%v, want %v/%v", str, num, "Hi", 1)
            }
        `,
    },
    // Tests that tuples can be properly returned and deserialized
    {
        `Tupler`,
        `
            contract Tupler {
                function tuple() constant returns (string a, int b, bytes32 c) {
                    return ("Hi", 1, sha3(""));
                }
            }
        `,
        `606060405260dc8060106000396000f3606060405260e060020a60003504633175aae28114601a575b005b600060605260c0604052600260809081527f486900000000000000000000000000000000000000000000000000000000000060a05260017fc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a47060e0829052610100819052606060c0908152600261012081905281906101409060a09080838184600060046012f1505081517fffff000000000000000000000000000000000000000000000000000000000000169091525050604051610160819003945092505050f3`,
        `[{"constant":true,"inputs":[],"name":"tuple","outputs":[{"name":"a","type":"string"},{"name":"b","type":"int256"},{"name":"c","type":"bytes32"}],"type":"function"}]`,
        `
            // Generate a new random account and a funded simulator
            key, _ := crypto.GenerateKey()
            auth := bind.NewKeyedTransactor(key)
            sim := backends.NewSimulatedBackend(core.GenesisAlloc{auth.From: {Balance: big.NewInt(10000000000)}})

            // Deploy a tuple tester contract and execute a structured call on it
            _, _, tupler, err := DeployTupler(auth, sim)
            if err != nil {
                t.Fatalf("Failed to deploy tupler contract: %v", err)
            }
            sim.Commit()

            if res, err := tupler.Tuple(nil); err != nil {
                t.Fatalf("Failed to call structure retriever: %v", err)
            } else if res.A != "Hi" || res.B.Cmp(big.NewInt(1)) != 0 {
                t.Fatalf("Retrieved value mismatch: have %v/%v, want %v/%v", res.A, res.B, "Hi", 1)
            }
        `,
    },
    // Tests that arrays/slices can be properly returned and deserialized.
    // Only addresses are tested, remainder just compiled to keep the test small.
    {
        `Slicer`,
        `
            contract Slicer {
                function echoAddresses(address[] input) constant returns (address[] output) {
                    return input;
                }
                function echoInts(int[] input) constant returns (int[] output) {
                    return input;
                }
                function echoFancyInts(uint24[23] input) constant returns (uint24[23] output) {
                    return input;
                }
                function echoBools(bool[] input) constant returns (bool[] output) {
                    return input;
                }
            }
        `,
        `606060405261015c806100126000396000f3606060405260e060020a6000350463be1127a3811461003c578063d88becc014610092578063e15a3db71461003c578063f637e5891461003c575b005b604080516020600480358082013583810285810185019096528085526100ee959294602494909392850192829185019084908082843750949650505050505050604080516020810190915260009052805b919050565b604080516102e0818101909252610138916004916102e491839060179083908390808284375090955050505050506102e0604051908101604052806017905b60008152602001906001900390816100d15790505081905061008d565b60405180806020018281038252838181518152602001915080519060200190602002808383829060006004602084601f0104600f02600301f1509050019250505060405180910390f35b60405180826102e0808381846000600461015cf15090500191505060405180910390f3`,
        `[{"constant":true,"inputs":[{"name":"input","type":"address[]"}],"name":"echoAddresses","outputs":[{"name":"output","type":"address[]"}],"type":"function"},{"constant":true,"inputs":[{"name":"input","type":"uint24[23]"}],"name":"echoFancyInts","outputs":[{"name":"output","type":"uint24[23]"}],"type":"function"},{"constant":true,"inputs":[{"name":"input","type":"int256[]"}],"name":"echoInts","outputs":[{"name":"output","type":"int256[]"}],"type":"function"},{"constant":true,"inputs":[{"name":"input","type":"bool[]"}],"name":"echoBools","outputs":[{"name":"output","type":"bool[]"}],"type":"function"}]`,
        `
            // Generate a new random account and a funded simulator
            key, _ := crypto.GenerateKey()
            auth := bind.NewKeyedTransactor(key)
            sim := backends.NewSimulatedBackend(core.GenesisAlloc{auth.From: {Balance: big.NewInt(10000000000)}})

            // Deploy a slice tester contract and execute a n array call on it
            _, _, slicer, err := DeploySlicer(auth, sim)
            if err != nil {
                    t.Fatalf("Failed to deploy slicer contract: %v", err)
            }
            sim.Commit()

            if out, err := slicer.EchoAddresses(nil, []common.Address{auth.From, common.Address{}}); err != nil {
                    t.Fatalf("Failed to call slice echoer: %v", err)
            } else if !reflect.DeepEqual(out, []common.Address{auth.From, common.Address{}}) {
                    t.Fatalf("Slice return mismatch: have %v, want %v", out, []common.Address{auth.From, common.Address{}})
            }
        `,
    },
    // Tests that anonymous default methods can be correctly invoked
    {
        `Defaulter`,
        `
            contract Defaulter {
                address public caller;

                function() {
                    caller = msg.sender;
                }
            }
        `,
        `6060604052606a8060106000396000f360606040523615601d5760e060020a6000350463fc9c8d3981146040575b605e6000805473ffffffffffffffffffffffffffffffffffffffff191633179055565b606060005473ffffffffffffffffffffffffffffffffffffffff1681565b005b6060908152602090f3`,
        `[{"constant":true,"inputs":[],"name":"caller","outputs":[{"name":"","type":"address"}],"type":"function"}]`,
        `
            // Generate a new random account and a funded simulator
            key, _ := crypto.GenerateKey()
            auth := bind.NewKeyedTransactor(key)
            sim := backends.NewSimulatedBackend(core.GenesisAlloc{auth.From: {Balance: big.NewInt(10000000000)}})

            // Deploy a default method invoker contract and execute its default method
            _, _, defaulter, err := DeployDefaulter(auth, sim)
            if err != nil {
                t.Fatalf("Failed to deploy defaulter contract: %v", err)
            }
            if _, err := (&DefaulterRaw{defaulter}).Transfer(auth); err != nil {
                t.Fatalf("Failed to invoke default method: %v", err)
            }
            sim.Commit()

            if caller, err := defaulter.Caller(nil); err != nil {
                t.Fatalf("Failed to call address retriever: %v", err)
            } else if (caller != auth.From) {
                t.Fatalf("Address mismatch: have %v, want %v", caller, auth.From)
            }
        `,
    },
    // Tests that non-existent contracts are reported as such (though only simulator test)
    {
        `NonExistent`,
        `
            contract NonExistent {
                function String() constant returns(string) {
                    return "I don't exist";
                }
            }
        `,
        `6060604052609f8060106000396000f3606060405260e060020a6000350463f97a60058114601a575b005b600060605260c0604052600d60809081527f4920646f6e27742065786973740000000000000000000000000000000000000060a052602060c0908152600d60e081905281906101009060a09080838184600060046012f15050815172ffffffffffffffffffffffffffffffffffffff1916909152505060405161012081900392509050f3`,
        `[{"constant":true,"inputs":[],"name":"String","outputs":[{"name":"","type":"string"}],"type":"function"}]`,
        `
            // Create a simulator and wrap a non-deployed contract
            sim := backends.NewSimulatedBackend(nil)

            nonexistent, err := NewNonExistent(common.Address{}, sim)
            if err != nil {
                t.Fatalf("Failed to access non-existent contract: %v", err)
            }
            // Ensure that contract calls fail with the appropriate error
            if res, err := nonexistent.String(nil); err == nil {
                t.Fatalf("Call succeeded on non-existent contract: %v", res)
            } else if (err != bind.ErrNoCode) {
                t.Fatalf("Error mismatch: have %v, want %v", err, bind.ErrNoCode)
            }
        `,
    },
    // Tests that gas estimation works for contracts with   weird gas mechanics too.
    {
        `FunkyGasPattern`,
        `
            contract FunkyGasPattern {
                string public field;

                function SetField(string value) {
                    // This check will screw gas estimation! Good, good!
                    if (msg.gas < 100000) {
                        throw;
                    }
                    field = value;
                }
            }
        `,
        `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`,
        `[{"constant":false,"inputs":[{"name":"value","type":"string"}],"name":"SetField","outputs":[],"type":"function"},{"constant":true,"inputs":[],"name":"field","outputs":[{"name":"","type":"string"}],"type":"function"}]`,
        `
            // Generate a new random account and a funded simulator
            key, _ := crypto.GenerateKey()
            auth := bind.NewKeyedTransactor(key)
            sim := backends.NewSimulatedBackend(core.GenesisAlloc{auth.From: {Balance: big.NewInt(10000000000)}})

            // Deploy a funky gas pattern contract
            _, _, limiter, err := DeployFunkyGasPattern(auth, sim)
            if err != nil {
                t.Fatalf("Failed to deploy funky contract: %v", err)
            }
            sim.Commit()

            // Set the field with automatic estimation and check that it succeeds
            auth.GasLimit = nil
            if _, err := limiter.SetField(auth, "automatic"); err != nil {
                t.Fatalf("Failed to call automatically gased transaction: %v", err)
            }
            sim.Commit()

            if field, _ := limiter.Field(nil); field != "automatic" {
                t.Fatalf("Field mismatch: have %v, want %v", field, "automatic")
            }
        `,
    },
    // Test that constant functions can be called from an (optional) specified address
    {
        `CallFrom`,
        `
            contract CallFrom {
                function callFrom() constant returns(address) {
                    return msg.sender;
                }
            }
        `, `6060604052346000575b6086806100176000396000f300606060405263ffffffff60e060020a60003504166349f8e98281146022575b6000565b34600057602c6055565b6040805173ffffffffffffffffffffffffffffffffffffffff9092168252519081900360200190f35b335b905600a165627a7a72305820aef6b7685c0fa24ba6027e4870404a57df701473fe4107741805c19f5138417c0029`,
        `[{"constant":true,"inputs":[],"name":"callFrom","outputs":[{"name":"","type":"address"}],"payable":false,"type":"function"}]`,
        `
            // Generate a new random account and a funded simulator
            key, _ := crypto.GenerateKey()
            auth := bind.NewKeyedTransactor(key)
            sim := backends.NewSimulatedBackend(core.GenesisAlloc{auth.From: {Balance: big.NewInt(10000000000)}})

            // Deploy a sender tester contract and execute a structured call on it
            _, _, callfrom, err := DeployCallFrom(auth, sim)
            if err != nil {
                t.Fatalf("Failed to deploy sender contract: %v", err)
            }
            sim.Commit()

            if res, err := callfrom.CallFrom(nil); err != nil {
                t.Errorf("Failed to call constant function: %v", err)
            } else if res != (common.Address{}) {
                t.Errorf("Invalid address returned, want: %x, got: %x", (common.Address{}), res)
            }

            for _, addr := range []common.Address{common.Address{}, common.Address{1}, common.Address{2}} {
                if res, err := callfrom.CallFrom(&bind.CallOpts{From: addr}); err != nil {
                    t.Fatalf("Failed to call constant function: %v", err)
                } else if res != addr {
                    t.Fatalf("Invalid address returned, want: %x, got: %x", addr, res)
                }
            }
        `,
    },
}

// Tests that packages generated by the binder can be successfully compiled and
// the requested tester run against it.
func TestBindings(t *testing.T) {
    // Skip the test if no Go command can be found
    gocmd := runtime.GOROOT() + "/bin/go"
    if !common.FileExist(gocmd) {
        t.Skip("go sdk not found for testing")
    }
    // Skip the test if the go-ethereum sources are symlinked (https://github.com/golang/go/issues/14845)
    linkTestCode := fmt.Sprintf("package linktest\nfunc CheckSymlinks(){\nfmt.Println(backends.NewSimulatedBackend(nil))\n}")
    linkTestDeps, err := imports.Process("", []byte(linkTestCode), nil)
    if err != nil {
        t.Fatalf("failed check for goimports symlink bug: %v", err)
    }
    if !strings.Contains(string(linkTestDeps), "go-ethereum") {
        t.Skip("symlinked environment doesn't support bind (https://github.com/golang/go/issues/14845)")
    }
    // Create a temporary workspace for the test suite
    ws, err := ioutil.TempDir("", "")
    if err != nil {
        t.Fatalf("failed to create temporary workspace: %v", err)
    }
    defer os.RemoveAll(ws)

    pkg := filepath.Join(ws, "bindtest")
    if err = os.MkdirAll(pkg, 0700); err != nil {
        t.Fatalf("failed to create package: %v", err)
    }
    // Generate the test suite for all the contracts
    for i, tt := range bindTests {
        // Generate the binding and create a Go source file in the workspace
        bind, err := Bind([]string{tt.name}, []string{tt.abi}, []string{tt.bytecode}, "bindtest", LangGo)
        if err != nil {
            t.Fatalf("test %d: failed to generate binding: %v", i, err)
        }
        if err = ioutil.WriteFile(filepath.Join(pkg, strings.ToLower(tt.name)+".go"), []byte(bind), 0600); err != nil {
            t.Fatalf("test %d: failed to write binding: %v", i, err)
        }
        // Generate the test file with the injected test code
        code := fmt.Sprintf("package bindtest\nimport \"testing\"\nfunc Test%s(t *testing.T){\n%s\n}", tt.name, tt.tester)
        blob, err := imports.Process("", []byte(code), nil)
        if err != nil {
            t.Fatalf("test %d: failed to generate tests: %v", i, err)
        }
        if err := ioutil.WriteFile(filepath.Join(pkg, strings.ToLower(tt.name)+"_test.go"), blob, 0600); err != nil {
            t.Fatalf("test %d: failed to write tests: %v", i, err)
        }
    }
    // Test the entire package and report any failures
    cmd := exec.Command(gocmd, "test", "-v")
    cmd.Dir = pkg
    if out, err := cmd.CombinedOutput(); err != nil {
        t.Fatalf("failed to run binding test: %v\n%s", err, out)
    }
}