github.com/vantum/vantum@v0.0.0-20180815184342-fe37d5f7a990/accounts/abi/bind/bind_test.go (about) 1 // Copyright 2016 The go-ethereum Authors 2 // This file is part of the go-ethereum library. 3 // 4 // The go-ethereum library is free software: you can redistribute it and/or modify 5 // it under the terms of the GNU Lesser General Public License as published by 6 // the Free Software Foundation, either version 3 of the License, or 7 // (at your option) any later version. 8 // 9 // The go-ethereum library is distributed in the hope that it will be useful, 10 // but WITHOUT ANY WARRANTY; without even the implied warranty of 11 // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 12 // GNU Lesser General Public License for more details. 13 // 14 // You should have received a copy of the GNU Lesser General Public License 15 // along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>. 16 17 package bind 18 19 import ( 20 "fmt" 21 "io/ioutil" 22 "os" 23 "os/exec" 24 "path/filepath" 25 "runtime" 26 "strings" 27 "testing" 28 29 "github.com/vantum/vantum/common" 30 "golang.org/x/tools/imports" 31 ) 32 33 var bindTests = []struct { 34 name string 35 contract string 36 bytecode string 37 abi string 38 tester string 39 }{ 40 // Test that the binding is available in combined and separate forms too 41 { 42 `Empty`, 43 `contract NilContract {}`, 44 `606060405260068060106000396000f3606060405200`, 45 `[]`, 46 ` 47 if b, err := NewEmpty(common.Address{}, nil); b == nil || err != nil { 48 t.Fatalf("combined binding (%v) nil or error (%v) not nil", b, nil) 49 } 50 if b, err := NewEmptyCaller(common.Address{}, nil); b == nil || err != nil { 51 t.Fatalf("caller binding (%v) nil or error (%v) not nil", b, nil) 52 } 53 if b, err := NewEmptyTransactor(common.Address{}, nil); b == nil || err != nil { 54 t.Fatalf("transactor binding (%v) nil or error (%v) not nil", b, nil) 55 } 56 `, 57 }, 58 // Test that all the official sample contracts bind correctly 59 { 60 `Token`, 61 `https://ethereum.org/token`, 62 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63 `[{"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"}]`, 64 ` 65 if b, err := NewToken(common.Address{}, nil); b == nil || err != nil { 66 t.Fatalf("binding (%v) nil or error (%v) not nil", b, nil) 67 } 68 `, 69 }, 70 { 71 `Crowdsale`, 72 `https://ethereum.org/crowdsale`, 73 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74 `[{"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"}]`, 75 ` 76 if b, err := NewCrowdsale(common.Address{}, nil); b == nil || err != nil { 77 t.Fatalf("binding (%v) nil or error (%v) not nil", b, nil) 78 } 79 `, 80 }, 81 { 82 `DAO`, 83 `https://ethereum.org/dao`, 84 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85 `[{"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"}]`, 86 ` 87 if b, err := NewDAO(common.Address{}, nil); b == nil || err != nil { 88 t.Fatalf("binding (%v) nil or error (%v) not nil", b, nil) 89 } 90 `, 91 }, 92 // Test that named and anonymous inputs are handled correctly 93 { 94 `InputChecker`, ``, ``, 95 ` 96 [ 97 {"type":"function","name":"noInput","constant":true,"inputs":[],"outputs":[]}, 98 {"type":"function","name":"namedInput","constant":true,"inputs":[{"name":"str","type":"string"}],"outputs":[]}, 99 {"type":"function","name":"anonInput","constant":true,"inputs":[{"name":"","type":"string"}],"outputs":[]}, 100 {"type":"function","name":"namedInputs","constant":true,"inputs":[{"name":"str1","type":"string"},{"name":"str2","type":"string"}],"outputs":[]}, 101 {"type":"function","name":"anonInputs","constant":true,"inputs":[{"name":"","type":"string"},{"name":"","type":"string"}],"outputs":[]}, 102 {"type":"function","name":"mixedInputs","constant":true,"inputs":[{"name":"","type":"string"},{"name":"str","type":"string"}],"outputs":[]} 103 ] 104 `, 105 `if b, err := NewInputChecker(common.Address{}, nil); b == nil || err != nil { 106 t.Fatalf("binding (%v) nil or error (%v) not nil", b, nil) 107 } else if false { // Don't run, just compile and test types 108 var err error 109 110 err = b.NoInput(nil) 111 err = b.NamedInput(nil, "") 112 err = b.AnonInput(nil, "") 113 err = b.NamedInputs(nil, "", "") 114 err = b.AnonInputs(nil, "", "") 115 err = b.MixedInputs(nil, "", "") 116 117 fmt.Println(err) 118 }`, 119 }, 120 // Test that named and anonymous outputs are handled correctly 121 { 122 `OutputChecker`, ``, ``, 123 ` 124 [ 125 {"type":"function","name":"noOutput","constant":true,"inputs":[],"outputs":[]}, 126 {"type":"function","name":"namedOutput","constant":true,"inputs":[],"outputs":[{"name":"str","type":"string"}]}, 127 {"type":"function","name":"anonOutput","constant":true,"inputs":[],"outputs":[{"name":"","type":"string"}]}, 128 {"type":"function","name":"namedOutputs","constant":true,"inputs":[],"outputs":[{"name":"str1","type":"string"},{"name":"str2","type":"string"}]}, 129 {"type":"function","name":"collidingOutputs","constant":true,"inputs":[],"outputs":[{"name":"str","type":"string"},{"name":"Str","type":"string"}]}, 130 {"type":"function","name":"anonOutputs","constant":true,"inputs":[],"outputs":[{"name":"","type":"string"},{"name":"","type":"string"}]}, 131 {"type":"function","name":"mixedOutputs","constant":true,"inputs":[],"outputs":[{"name":"","type":"string"},{"name":"str","type":"string"}]} 132 ] 133 `, 134 `if b, err := NewOutputChecker(common.Address{}, nil); b == nil || err != nil { 135 t.Fatalf("binding (%v) nil or error (%v) not nil", b, nil) 136 } else if false { // Don't run, just compile and test types 137 var str1, str2 string 138 var err error 139 140 err = b.NoOutput(nil) 141 str1, err = b.NamedOutput(nil) 142 str1, err = b.AnonOutput(nil) 143 res, _ := b.NamedOutputs(nil) 144 str1, str2, err = b.CollidingOutputs(nil) 145 str1, str2, err = b.AnonOutputs(nil) 146 str1, str2, err = b.MixedOutputs(nil) 147 148 fmt.Println(str1, str2, res.Str1, res.Str2, err) 149 }`, 150 }, 151 // Tests that named, anonymous and indexed events are handled correctly 152 { 153 `EventChecker`, ``, ``, 154 ` 155 [ 156 {"type":"event","name":"empty","inputs":[]}, 157 {"type":"event","name":"indexed","inputs":[{"name":"addr","type":"address","indexed":true},{"name":"num","type":"int256","indexed":true}]}, 158 {"type":"event","name":"mixed","inputs":[{"name":"addr","type":"address","indexed":true},{"name":"num","type":"int256"}]}, 159 {"type":"event","name":"anonymous","anonymous":true,"inputs":[]}, 160 {"type":"event","name":"dynamic","inputs":[{"name":"idxStr","type":"string","indexed":true},{"name":"idxDat","type":"bytes","indexed":true},{"name":"str","type":"string"},{"name":"dat","type":"bytes"}]} 161 ] 162 `, 163 `if e, err := NewEventChecker(common.Address{}, nil); e == nil || err != nil { 164 t.Fatalf("binding (%v) nil or error (%v) not nil", e, nil) 165 } else if false { // Don't run, just compile and test types 166 var ( 167 err error 168 res bool 169 str string 170 dat []byte 171 hash common.Hash 172 ) 173 _, err = e.FilterEmpty(nil) 174 _, err = e.FilterIndexed(nil, []common.Address{}, []*big.Int{}) 175 176 mit, err := e.FilterMixed(nil, []common.Address{}) 177 178 res = mit.Next() // Make sure the iterator has a Next method 179 err = mit.Error() // Make sure the iterator has an Error method 180 err = mit.Close() // Make sure the iterator has a Close method 181 182 fmt.Println(mit.Event.Raw.BlockHash) // Make sure the raw log is contained within the results 183 fmt.Println(mit.Event.Num) // Make sure the unpacked non-indexed fields are present 184 fmt.Println(mit.Event.Addr) // Make sure the reconstructed indexed fields are present 185 186 dit, err := e.FilterDynamic(nil, []string{}, [][]byte{}) 187 188 str = dit.Event.Str // Make sure non-indexed strings retain their type 189 dat = dit.Event.Dat // Make sure non-indexed bytes retain their type 190 hash = dit.Event.IdxStr // Make sure indexed strings turn into hashes 191 hash = dit.Event.IdxDat // Make sure indexed bytes turn into hashes 192 193 sink := make(chan *EventCheckerMixed) 194 sub, err := e.WatchMixed(nil, sink, []common.Address{}) 195 defer sub.Unsubscribe() 196 197 event := <-sink 198 fmt.Println(event.Raw.BlockHash) // Make sure the raw log is contained within the results 199 fmt.Println(event.Num) // Make sure the unpacked non-indexed fields are present 200 fmt.Println(event.Addr) // Make sure the reconstructed indexed fields are present 201 202 fmt.Println(res, str, dat, hash, err) 203 } 204 // Run a tiny reflection test to ensure disallowed methods don't appear 205 if _, ok := reflect.TypeOf(&EventChecker{}).MethodByName("FilterAnonymous"); ok { 206 t.Errorf("binding has disallowed method (FilterAnonymous)") 207 }`, 208 }, 209 // Test that contract interactions (deploy, transact and call) generate working code 210 { 211 `Interactor`, 212 ` 213 contract Interactor { 214 string public deployString; 215 string public transactString; 216 217 function Interactor(string str) { 218 deployString = str; 219 } 220 221 function transact(string str) { 222 transactString = str; 223 } 224 } 225 `, 226 `6060604052604051610328380380610328833981016040528051018060006000509080519060200190828054600181600116156101000203166002900490600052602060002090601f016020900481019282601f10608d57805160ff19168380011785555b50607c9291505b8082111560ba57838155600101606b565b50505061026a806100be6000396000f35b828001600101855582156064579182015b828111156064578251826000505591602001919060010190609e565b509056606060405260e060020a60003504630d86a0e181146100315780636874e8091461008d578063d736c513146100ea575b005b610190600180546020600282841615610100026000190190921691909104601f810182900490910260809081016040526060828152929190828280156102295780601f106101fe57610100808354040283529160200191610229565b61019060008054602060026001831615610100026000190190921691909104601f810182900490910260809081016040526060828152929190828280156102295780601f106101fe57610100808354040283529160200191610229565b60206004803580820135601f81018490049093026080908101604052606084815261002f946024939192918401918190838280828437509496505050505050508060016000509080519060200190828054600181600116156101000203166002900490600052602060002090601f016020900481019282601f1061023157805160ff19168380011785555b506102619291505b808211156102665760008155830161017d565b60405180806020018281038252838181518152602001915080519060200190808383829060006004602084601f0104600f02600301f150905090810190601f1680156101f05780820380516001836020036101000a031916815260200191505b509250505060405180910390f35b820191906000526020600020905b81548152906001019060200180831161020c57829003601f168201915b505050505081565b82800160010185558215610175579182015b82811115610175578251826000505591602001919060010190610243565b505050565b509056`, 227 `[{"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"}]`, 228 ` 229 // Generate a new random account and a funded simulator 230 key, _ := crypto.GenerateKey() 231 auth := bind.NewKeyedTransactor(key) 232 sim := backends.NewSimulatedBackend(core.GenesisAlloc{auth.From: {Balance: big.NewInt(10000000000)}}) 233 234 // Deploy an interaction tester contract and call a transaction on it 235 _, _, interactor, err := DeployInteractor(auth, sim, "Deploy string") 236 if err != nil { 237 t.Fatalf("Failed to deploy interactor contract: %v", err) 238 } 239 if _, err := interactor.Transact(auth, "Transact string"); err != nil { 240 t.Fatalf("Failed to transact with interactor contract: %v", err) 241 } 242 // Commit all pending transactions in the simulator and check the contract state 243 sim.Commit() 244 245 if str, err := interactor.DeployString(nil); err != nil { 246 t.Fatalf("Failed to retrieve deploy string: %v", err) 247 } else if str != "Deploy string" { 248 t.Fatalf("Deploy string mismatch: have '%s', want 'Deploy string'", str) 249 } 250 if str, err := interactor.TransactString(nil); err != nil { 251 t.Fatalf("Failed to retrieve transact string: %v", err) 252 } else if str != "Transact string" { 253 t.Fatalf("Transact string mismatch: have '%s', want 'Transact string'", str) 254 } 255 `, 256 }, 257 // Tests that plain values can be properly returned and deserialized 258 { 259 `Getter`, 260 ` 261 contract Getter { 262 function getter() constant returns (string, int, bytes32) { 263 return ("Hi", 1, sha3("")); 264 } 265 } 266 `, 267 `606060405260dc8060106000396000f3606060405260e060020a6000350463993a04b78114601a575b005b600060605260c0604052600260809081527f486900000000000000000000000000000000000000000000000000000000000060a05260017fc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a47060e0829052610100819052606060c0908152600261012081905281906101409060a09080838184600060046012f1505081517fffff000000000000000000000000000000000000000000000000000000000000169091525050604051610160819003945092505050f3`, 268 `[{"constant":true,"inputs":[],"name":"getter","outputs":[{"name":"","type":"string"},{"name":"","type":"int256"},{"name":"","type":"bytes32"}],"type":"function"}]`, 269 ` 270 // Generate a new random account and a funded simulator 271 key, _ := crypto.GenerateKey() 272 auth := bind.NewKeyedTransactor(key) 273 sim := backends.NewSimulatedBackend(core.GenesisAlloc{auth.From: {Balance: big.NewInt(10000000000)}}) 274 275 // Deploy a tuple tester contract and execute a structured call on it 276 _, _, getter, err := DeployGetter(auth, sim) 277 if err != nil { 278 t.Fatalf("Failed to deploy getter contract: %v", err) 279 } 280 sim.Commit() 281 282 if str, num, _, err := getter.Getter(nil); err != nil { 283 t.Fatalf("Failed to call anonymous field retriever: %v", err) 284 } else if str != "Hi" || num.Cmp(big.NewInt(1)) != 0 { 285 t.Fatalf("Retrieved value mismatch: have %v/%v, want %v/%v", str, num, "Hi", 1) 286 } 287 `, 288 }, 289 // Tests that tuples can be properly returned and deserialized 290 { 291 `Tupler`, 292 ` 293 contract Tupler { 294 function tuple() constant returns (string a, int b, bytes32 c) { 295 return ("Hi", 1, sha3("")); 296 } 297 } 298 `, 299 `606060405260dc8060106000396000f3606060405260e060020a60003504633175aae28114601a575b005b600060605260c0604052600260809081527f486900000000000000000000000000000000000000000000000000000000000060a05260017fc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a47060e0829052610100819052606060c0908152600261012081905281906101409060a09080838184600060046012f1505081517fffff000000000000000000000000000000000000000000000000000000000000169091525050604051610160819003945092505050f3`, 300 `[{"constant":true,"inputs":[],"name":"tuple","outputs":[{"name":"a","type":"string"},{"name":"b","type":"int256"},{"name":"c","type":"bytes32"}],"type":"function"}]`, 301 ` 302 // Generate a new random account and a funded simulator 303 key, _ := crypto.GenerateKey() 304 auth := bind.NewKeyedTransactor(key) 305 sim := backends.NewSimulatedBackend(core.GenesisAlloc{auth.From: {Balance: big.NewInt(10000000000)}}) 306 307 // Deploy a tuple tester contract and execute a structured call on it 308 _, _, tupler, err := DeployTupler(auth, sim) 309 if err != nil { 310 t.Fatalf("Failed to deploy tupler contract: %v", err) 311 } 312 sim.Commit() 313 314 if res, err := tupler.Tuple(nil); err != nil { 315 t.Fatalf("Failed to call structure retriever: %v", err) 316 } else if res.A != "Hi" || res.B.Cmp(big.NewInt(1)) != 0 { 317 t.Fatalf("Retrieved value mismatch: have %v/%v, want %v/%v", res.A, res.B, "Hi", 1) 318 } 319 `, 320 }, 321 // Tests that arrays/slices can be properly returned and deserialized. 322 // Only addresses are tested, remainder just compiled to keep the test small. 323 { 324 `Slicer`, 325 ` 326 contract Slicer { 327 function echoAddresses(address[] input) constant returns (address[] output) { 328 return input; 329 } 330 function echoInts(int[] input) constant returns (int[] output) { 331 return input; 332 } 333 function echoFancyInts(uint24[23] input) constant returns (uint24[23] output) { 334 return input; 335 } 336 function echoBools(bool[] input) constant returns (bool[] output) { 337 return input; 338 } 339 } 340 `, 341 `606060405261015c806100126000396000f3606060405260e060020a6000350463be1127a3811461003c578063d88becc014610092578063e15a3db71461003c578063f637e5891461003c575b005b604080516020600480358082013583810285810185019096528085526100ee959294602494909392850192829185019084908082843750949650505050505050604080516020810190915260009052805b919050565b604080516102e0818101909252610138916004916102e491839060179083908390808284375090955050505050506102e0604051908101604052806017905b60008152602001906001900390816100d15790505081905061008d565b60405180806020018281038252838181518152602001915080519060200190602002808383829060006004602084601f0104600f02600301f1509050019250505060405180910390f35b60405180826102e0808381846000600461015cf15090500191505060405180910390f3`, 342 `[{"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"}]`, 343 ` 344 // Generate a new random account and a funded simulator 345 key, _ := crypto.GenerateKey() 346 auth := bind.NewKeyedTransactor(key) 347 sim := backends.NewSimulatedBackend(core.GenesisAlloc{auth.From: {Balance: big.NewInt(10000000000)}}) 348 349 // Deploy a slice tester contract and execute a n array call on it 350 _, _, slicer, err := DeploySlicer(auth, sim) 351 if err != nil { 352 t.Fatalf("Failed to deploy slicer contract: %v", err) 353 } 354 sim.Commit() 355 356 if out, err := slicer.EchoAddresses(nil, []common.Address{auth.From, common.Address{}}); err != nil { 357 t.Fatalf("Failed to call slice echoer: %v", err) 358 } else if !reflect.DeepEqual(out, []common.Address{auth.From, common.Address{}}) { 359 t.Fatalf("Slice return mismatch: have %v, want %v", out, []common.Address{auth.From, common.Address{}}) 360 } 361 `, 362 }, 363 // Tests that anonymous default methods can be correctly invoked 364 { 365 `Defaulter`, 366 ` 367 contract Defaulter { 368 address public caller; 369 370 function() { 371 caller = msg.sender; 372 } 373 } 374 `, 375 `6060604052606a8060106000396000f360606040523615601d5760e060020a6000350463fc9c8d3981146040575b605e6000805473ffffffffffffffffffffffffffffffffffffffff191633179055565b606060005473ffffffffffffffffffffffffffffffffffffffff1681565b005b6060908152602090f3`, 376 `[{"constant":true,"inputs":[],"name":"caller","outputs":[{"name":"","type":"address"}],"type":"function"}]`, 377 ` 378 // Generate a new random account and a funded simulator 379 key, _ := crypto.GenerateKey() 380 auth := bind.NewKeyedTransactor(key) 381 sim := backends.NewSimulatedBackend(core.GenesisAlloc{auth.From: {Balance: big.NewInt(10000000000)}}) 382 383 // Deploy a default method invoker contract and execute its default method 384 _, _, defaulter, err := DeployDefaulter(auth, sim) 385 if err != nil { 386 t.Fatalf("Failed to deploy defaulter contract: %v", err) 387 } 388 if _, err := (&DefaulterRaw{defaulter}).Transfer(auth); err != nil { 389 t.Fatalf("Failed to invoke default method: %v", err) 390 } 391 sim.Commit() 392 393 if caller, err := defaulter.Caller(nil); err != nil { 394 t.Fatalf("Failed to call address retriever: %v", err) 395 } else if (caller != auth.From) { 396 t.Fatalf("Address mismatch: have %v, want %v", caller, auth.From) 397 } 398 `, 399 }, 400 // Tests that non-existent contracts are reported as such (though only simulator test) 401 { 402 `NonExistent`, 403 ` 404 contract NonExistent { 405 function String() constant returns(string) { 406 return "I don't exist"; 407 } 408 } 409 `, 410 `6060604052609f8060106000396000f3606060405260e060020a6000350463f97a60058114601a575b005b600060605260c0604052600d60809081527f4920646f6e27742065786973740000000000000000000000000000000000000060a052602060c0908152600d60e081905281906101009060a09080838184600060046012f15050815172ffffffffffffffffffffffffffffffffffffff1916909152505060405161012081900392509050f3`, 411 `[{"constant":true,"inputs":[],"name":"String","outputs":[{"name":"","type":"string"}],"type":"function"}]`, 412 ` 413 // Create a simulator and wrap a non-deployed contract 414 sim := backends.NewSimulatedBackend(nil) 415 416 nonexistent, err := NewNonExistent(common.Address{}, sim) 417 if err != nil { 418 t.Fatalf("Failed to access non-existent contract: %v", err) 419 } 420 // Ensure that contract calls fail with the appropriate error 421 if res, err := nonexistent.String(nil); err == nil { 422 t.Fatalf("Call succeeded on non-existent contract: %v", res) 423 } else if (err != bind.ErrNoCode) { 424 t.Fatalf("Error mismatch: have %v, want %v", err, bind.ErrNoCode) 425 } 426 `, 427 }, 428 // Tests that gas estimation works for contracts with weird gas mechanics too. 429 { 430 `FunkyGasPattern`, 431 ` 432 contract FunkyGasPattern { 433 string public field; 434 435 function SetField(string value) { 436 // This check will screw gas estimation! Good, good! 437 if (msg.gas < 100000) { 438 throw; 439 } 440 field = value; 441 } 442 } 443 `, 444 `606060405261021c806100126000396000f3606060405260e060020a600035046323fcf32a81146100265780634f28bf0e1461007b575b005b6040805160206004803580820135601f8101849004840285018401909552848452610024949193602493909291840191908190840183828082843750949650505050505050620186a05a101561014e57610002565b6100db60008054604080516020601f600260001961010060018816150201909516949094049384018190048102820181019092528281529291908301828280156102145780601f106101e957610100808354040283529160200191610214565b60405180806020018281038252838181518152602001915080519060200190808383829060006004602084601f0104600302600f01f150905090810190601f16801561013b5780820380516001836020036101000a031916815260200191505b509250505060405180910390f35b505050565b8060006000509080519060200190828054600181600116156101000203166002900490600052602060002090601f016020900481019282601f106101b557805160ff19168380011785555b506101499291505b808211156101e557600081556001016101a1565b82800160010185558215610199579182015b828111156101995782518260005055916020019190600101906101c7565b5090565b820191906000526020600020905b8154815290600101906020018083116101f757829003601f168201915b50505050508156`, 445 `[{"constant":false,"inputs":[{"name":"value","type":"string"}],"name":"SetField","outputs":[],"type":"function"},{"constant":true,"inputs":[],"name":"field","outputs":[{"name":"","type":"string"}],"type":"function"}]`, 446 ` 447 // Generate a new random account and a funded simulator 448 key, _ := crypto.GenerateKey() 449 auth := bind.NewKeyedTransactor(key) 450 sim := backends.NewSimulatedBackend(core.GenesisAlloc{auth.From: {Balance: big.NewInt(10000000000)}}) 451 452 // Deploy a funky gas pattern contract 453 _, _, limiter, err := DeployFunkyGasPattern(auth, sim) 454 if err != nil { 455 t.Fatalf("Failed to deploy funky contract: %v", err) 456 } 457 sim.Commit() 458 459 // Set the field with automatic estimation and check that it succeeds 460 if _, err := limiter.SetField(auth, "automatic"); err != nil { 461 t.Fatalf("Failed to call automatically gased transaction: %v", err) 462 } 463 sim.Commit() 464 465 if field, _ := limiter.Field(nil); field != "automatic" { 466 t.Fatalf("Field mismatch: have %v, want %v", field, "automatic") 467 } 468 `, 469 }, 470 // Test that constant functions can be called from an (optional) specified address 471 { 472 `CallFrom`, 473 ` 474 contract CallFrom { 475 function callFrom() constant returns(address) { 476 return msg.sender; 477 } 478 } 479 `, `6060604052346000575b6086806100176000396000f300606060405263ffffffff60e060020a60003504166349f8e98281146022575b6000565b34600057602c6055565b6040805173ffffffffffffffffffffffffffffffffffffffff9092168252519081900360200190f35b335b905600a165627a7a72305820aef6b7685c0fa24ba6027e4870404a57df701473fe4107741805c19f5138417c0029`, 480 `[{"constant":true,"inputs":[],"name":"callFrom","outputs":[{"name":"","type":"address"}],"payable":false,"type":"function"}]`, 481 ` 482 // Generate a new random account and a funded simulator 483 key, _ := crypto.GenerateKey() 484 auth := bind.NewKeyedTransactor(key) 485 sim := backends.NewSimulatedBackend(core.GenesisAlloc{auth.From: {Balance: big.NewInt(10000000000)}}) 486 487 // Deploy a sender tester contract and execute a structured call on it 488 _, _, callfrom, err := DeployCallFrom(auth, sim) 489 if err != nil { 490 t.Fatalf("Failed to deploy sender contract: %v", err) 491 } 492 sim.Commit() 493 494 if res, err := callfrom.CallFrom(nil); err != nil { 495 t.Errorf("Failed to call constant function: %v", err) 496 } else if res != (common.Address{}) { 497 t.Errorf("Invalid address returned, want: %x, got: %x", (common.Address{}), res) 498 } 499 500 for _, addr := range []common.Address{common.Address{}, common.Address{1}, common.Address{2}} { 501 if res, err := callfrom.CallFrom(&bind.CallOpts{From: addr}); err != nil { 502 t.Fatalf("Failed to call constant function: %v", err) 503 } else if res != addr { 504 t.Fatalf("Invalid address returned, want: %x, got: %x", addr, res) 505 } 506 } 507 `, 508 }, 509 { 510 `Underscorer`, 511 ` 512 contract Underscorer { 513 function UnderscoredOutput() constant returns (int _int, string _string) { 514 return (314, "pi"); 515 } 516 function LowerLowerCollision() constant returns (int _res, int res) { 517 return (1, 2); 518 } 519 function LowerUpperCollision() constant returns (int _res, int Res) { 520 return (1, 2); 521 } 522 function UpperLowerCollision() constant returns (int _Res, int res) { 523 return (1, 2); 524 } 525 function UpperUpperCollision() constant returns (int _Res, int Res) { 526 return (1, 2); 527 } 528 function PurelyUnderscoredOutput() constant returns (int _, int res) { 529 return (1, 2); 530 } 531 function AllPurelyUnderscoredOutput() constant returns (int _, int __) { 532 return (1, 2); 533 } 534 } 535 `, `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`, 536 `[{"constant":true,"inputs":[],"name":"LowerUpperCollision","outputs":[{"name":"_res","type":"int256"},{"name":"Res","type":"int256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"UnderscoredOutput","outputs":[{"name":"_int","type":"int256"},{"name":"_string","type":"string"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"PurelyUnderscoredOutput","outputs":[{"name":"_","type":"int256"},{"name":"res","type":"int256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"UpperLowerCollision","outputs":[{"name":"_Res","type":"int256"},{"name":"res","type":"int256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"AllPurelyUnderscoredOutput","outputs":[{"name":"_","type":"int256"},{"name":"__","type":"int256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"UpperUpperCollision","outputs":[{"name":"_Res","type":"int256"},{"name":"Res","type":"int256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"LowerLowerCollision","outputs":[{"name":"_res","type":"int256"},{"name":"res","type":"int256"}],"payable":false,"stateMutability":"view","type":"function"}]`, 537 ` 538 // Generate a new random account and a funded simulator 539 key, _ := crypto.GenerateKey() 540 auth := bind.NewKeyedTransactor(key) 541 sim := backends.NewSimulatedBackend(core.GenesisAlloc{auth.From: {Balance: big.NewInt(10000000000)}}) 542 543 // Deploy a underscorer tester contract and execute a structured call on it 544 _, _, underscorer, err := DeployUnderscorer(auth, sim) 545 if err != nil { 546 t.Fatalf("Failed to deploy underscorer contract: %v", err) 547 } 548 sim.Commit() 549 550 // Verify that underscored return values correctly parse into structs 551 if res, err := underscorer.UnderscoredOutput(nil); err != nil { 552 t.Errorf("Failed to call constant function: %v", err) 553 } else if res.Int.Cmp(big.NewInt(314)) != 0 || res.String != "pi" { 554 t.Errorf("Invalid result, want: {314, \"pi\"}, got: %+v", res) 555 } 556 // Verify that underscored and non-underscored name collisions force tuple outputs 557 var a, b *big.Int 558 559 a, b, _ = underscorer.LowerLowerCollision(nil) 560 a, b, _ = underscorer.LowerUpperCollision(nil) 561 a, b, _ = underscorer.UpperLowerCollision(nil) 562 a, b, _ = underscorer.UpperUpperCollision(nil) 563 a, b, _ = underscorer.PurelyUnderscoredOutput(nil) 564 a, b, _ = underscorer.AllPurelyUnderscoredOutput(nil) 565 566 fmt.Println(a, b, err) 567 `, 568 }, 569 // Tests that logs can be successfully filtered and decoded. 570 { 571 `Eventer`, 572 ` 573 contract Eventer { 574 event SimpleEvent ( 575 address indexed Addr, 576 bytes32 indexed Id, 577 bool indexed Flag, 578 uint Value 579 ); 580 function raiseSimpleEvent(address addr, bytes32 id, bool flag, uint value) { 581 SimpleEvent(addr, id, flag, value); 582 } 583 584 event NodataEvent ( 585 uint indexed Number, 586 int16 indexed Short, 587 uint32 indexed Long 588 ); 589 function raiseNodataEvent(uint number, int16 short, uint32 long) { 590 NodataEvent(number, short, long); 591 } 592 593 event DynamicEvent ( 594 string indexed IndexedString, 595 bytes indexed IndexedBytes, 596 string NonIndexedString, 597 bytes NonIndexedBytes 598 ); 599 function raiseDynamicEvent(string str, bytes blob) { 600 DynamicEvent(str, blob, str, blob); 601 } 602 } 603 `, 604 `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`, 605 `[{"constant":false,"inputs":[{"name":"str","type":"string"},{"name":"blob","type":"bytes"}],"name":"raiseDynamicEvent","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"addr","type":"address"},{"name":"id","type":"bytes32"},{"name":"flag","type":"bool"},{"name":"value","type":"uint256"}],"name":"raiseSimpleEvent","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":false,"inputs":[{"name":"number","type":"uint256"},{"name":"short","type":"int16"},{"name":"long","type":"uint32"}],"name":"raiseNodataEvent","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"anonymous":false,"inputs":[{"indexed":true,"name":"Addr","type":"address"},{"indexed":true,"name":"Id","type":"bytes32"},{"indexed":true,"name":"Flag","type":"bool"},{"indexed":false,"name":"Value","type":"uint256"}],"name":"SimpleEvent","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"Number","type":"uint256"},{"indexed":true,"name":"Short","type":"int16"},{"indexed":true,"name":"Long","type":"uint32"}],"name":"NodataEvent","type":"event"},{"anonymous":false,"inputs":[{"indexed":true,"name":"IndexedString","type":"string"},{"indexed":true,"name":"IndexedBytes","type":"bytes"},{"indexed":false,"name":"NonIndexedString","type":"string"},{"indexed":false,"name":"NonIndexedBytes","type":"bytes"}],"name":"DynamicEvent","type":"event"}]`, 606 ` 607 // Generate a new random account and a funded simulator 608 key, _ := crypto.GenerateKey() 609 auth := bind.NewKeyedTransactor(key) 610 sim := backends.NewSimulatedBackend(core.GenesisAlloc{auth.From: {Balance: big.NewInt(10000000000)}}) 611 612 // Deploy an eventer contract 613 _, _, eventer, err := DeployEventer(auth, sim) 614 if err != nil { 615 t.Fatalf("Failed to deploy eventer contract: %v", err) 616 } 617 sim.Commit() 618 619 // Inject a few events into the contract, gradually more in each block 620 for i := 1; i <= 3; i++ { 621 for j := 1; j <= i; j++ { 622 if _, err := eventer.RaiseSimpleEvent(auth, common.Address{byte(j)}, [32]byte{byte(j)}, true, big.NewInt(int64(10*i+j))); err != nil { 623 t.Fatalf("block %d, event %d: raise failed: %v", i, j, err) 624 } 625 } 626 sim.Commit() 627 } 628 // Test filtering for certain events and ensure they can be found 629 sit, err := eventer.FilterSimpleEvent(nil, []common.Address{common.Address{1}, common.Address{3}}, [][32]byte{{byte(1)}, {byte(2)}, {byte(3)}}, []bool{true}) 630 if err != nil { 631 t.Fatalf("failed to filter for simple events: %v", err) 632 } 633 defer sit.Close() 634 635 sit.Next() 636 if sit.Event.Value.Uint64() != 11 || !sit.Event.Flag { 637 t.Errorf("simple log content mismatch: have %v, want {11, true}", sit.Event) 638 } 639 sit.Next() 640 if sit.Event.Value.Uint64() != 21 || !sit.Event.Flag { 641 t.Errorf("simple log content mismatch: have %v, want {21, true}", sit.Event) 642 } 643 sit.Next() 644 if sit.Event.Value.Uint64() != 31 || !sit.Event.Flag { 645 t.Errorf("simple log content mismatch: have %v, want {31, true}", sit.Event) 646 } 647 sit.Next() 648 if sit.Event.Value.Uint64() != 33 || !sit.Event.Flag { 649 t.Errorf("simple log content mismatch: have %v, want {33, true}", sit.Event) 650 } 651 652 if sit.Next() { 653 t.Errorf("unexpected simple event found: %+v", sit.Event) 654 } 655 if err = sit.Error(); err != nil { 656 t.Fatalf("simple event iteration failed: %v", err) 657 } 658 // Test raising and filtering for an event with no data component 659 if _, err := eventer.RaiseNodataEvent(auth, big.NewInt(314), 141, 271); err != nil { 660 t.Fatalf("failed to raise nodata event: %v", err) 661 } 662 sim.Commit() 663 664 nit, err := eventer.FilterNodataEvent(nil, []*big.Int{big.NewInt(314)}, []int16{140, 141, 142}, []uint32{271}) 665 if err != nil { 666 t.Fatalf("failed to filter for nodata events: %v", err) 667 } 668 defer nit.Close() 669 670 if !nit.Next() { 671 t.Fatalf("nodata log not found: %v", nit.Error()) 672 } 673 if nit.Event.Number.Uint64() != 314 { 674 t.Errorf("nodata log content mismatch: have %v, want 314", nit.Event.Number) 675 } 676 if nit.Next() { 677 t.Errorf("unexpected nodata event found: %+v", nit.Event) 678 } 679 if err = nit.Error(); err != nil { 680 t.Fatalf("nodata event iteration failed: %v", err) 681 } 682 // Test raising and filtering for events with dynamic indexed components 683 if _, err := eventer.RaiseDynamicEvent(auth, "Hello", []byte("World")); err != nil { 684 t.Fatalf("failed to raise dynamic event: %v", err) 685 } 686 sim.Commit() 687 688 dit, err := eventer.FilterDynamicEvent(nil, []string{"Hi", "Hello", "Bye"}, [][]byte{[]byte("World")}) 689 if err != nil { 690 t.Fatalf("failed to filter for dynamic events: %v", err) 691 } 692 defer dit.Close() 693 694 if !dit.Next() { 695 t.Fatalf("dynamic log not found: %v", dit.Error()) 696 } 697 if dit.Event.NonIndexedString != "Hello" || string(dit.Event.NonIndexedBytes) != "World" || dit.Event.IndexedString != common.HexToHash("0x06b3dfaec148fb1bb2b066f10ec285e7c9bf402ab32aa78a5d38e34566810cd2") || dit.Event.IndexedBytes != common.HexToHash("0xf2208c967df089f60420785795c0a9ba8896b0f6f1867fa7f1f12ad6f79c1a18") { 698 t.Errorf("dynamic log content mismatch: have %v, want {'0x06b3dfaec148fb1bb2b066f10ec285e7c9bf402ab32aa78a5d38e34566810cd2, '0xf2208c967df089f60420785795c0a9ba8896b0f6f1867fa7f1f12ad6f79c1a18', 'Hello', 'World'}", dit.Event) 699 } 700 if dit.Next() { 701 t.Errorf("unexpected dynamic event found: %+v", dit.Event) 702 } 703 if err = dit.Error(); err != nil { 704 t.Fatalf("dynamic event iteration failed: %v", err) 705 } 706 // Test subscribing to an event and raising it afterwards 707 ch := make(chan *EventerSimpleEvent, 16) 708 sub, err := eventer.WatchSimpleEvent(nil, ch, nil, nil, nil) 709 if err != nil { 710 t.Fatalf("failed to subscribe to simple events: %v", err) 711 } 712 if _, err := eventer.RaiseSimpleEvent(auth, common.Address{255}, [32]byte{255}, true, big.NewInt(255)); err != nil { 713 t.Fatalf("failed to raise subscribed simple event: %v", err) 714 } 715 sim.Commit() 716 717 select { 718 case event := <-ch: 719 if event.Value.Uint64() != 255 { 720 t.Errorf("simple log content mismatch: have %v, want 255", event) 721 } 722 case <-time.After(250 * time.Millisecond): 723 t.Fatalf("subscribed simple event didn't arrive") 724 } 725 // Unsubscribe from the event and make sure we're not delivered more 726 sub.Unsubscribe() 727 728 if _, err := eventer.RaiseSimpleEvent(auth, common.Address{254}, [32]byte{254}, true, big.NewInt(254)); err != nil { 729 t.Fatalf("failed to raise subscribed simple event: %v", err) 730 } 731 sim.Commit() 732 733 select { 734 case event := <-ch: 735 t.Fatalf("unsubscribed simple event arrived: %v", event) 736 case <-time.After(250 * time.Millisecond): 737 } 738 `, 739 }, 740 } 741 742 // Tests that packages generated by the binder can be successfully compiled and 743 // the requested tester run against it. 744 func TestBindings(t *testing.T) { 745 // Skip the test if no Go command can be found 746 gocmd := runtime.GOROOT() + "/bin/go" 747 if !common.FileExist(gocmd) { 748 t.Skip("go sdk not found for testing") 749 } 750 // Skip the test if the go-ethereum sources are symlinked (https://github.com/golang/go/issues/14845) 751 linkTestCode := fmt.Sprintf("package linktest\nfunc CheckSymlinks(){\nfmt.Println(backends.NewSimulatedBackend(nil))\n}") 752 linkTestDeps, err := imports.Process(os.TempDir(), []byte(linkTestCode), nil) 753 if err != nil { 754 t.Fatalf("failed check for goimports symlink bug: %v", err) 755 } 756 if !strings.Contains(string(linkTestDeps), "go-ethereum") { 757 t.Skip("symlinked environment doesn't support bind (https://github.com/golang/go/issues/14845)") 758 } 759 // Create a temporary workspace for the test suite 760 ws, err := ioutil.TempDir("", "") 761 if err != nil { 762 t.Fatalf("failed to create temporary workspace: %v", err) 763 } 764 defer os.RemoveAll(ws) 765 766 pkg := filepath.Join(ws, "bindtest") 767 if err = os.MkdirAll(pkg, 0700); err != nil { 768 t.Fatalf("failed to create package: %v", err) 769 } 770 // Generate the test suite for all the contracts 771 for i, tt := range bindTests { 772 // Generate the binding and create a Go source file in the workspace 773 bind, err := Bind([]string{tt.name}, []string{tt.abi}, []string{tt.bytecode}, "bindtest", LangGo) 774 if err != nil { 775 t.Fatalf("test %d: failed to generate binding: %v", i, err) 776 } 777 if err = ioutil.WriteFile(filepath.Join(pkg, strings.ToLower(tt.name)+".go"), []byte(bind), 0600); err != nil { 778 t.Fatalf("test %d: failed to write binding: %v", i, err) 779 } 780 // Generate the test file with the injected test code 781 code := fmt.Sprintf("package bindtest\nimport \"testing\"\nfunc Test%s(t *testing.T){\n%s\n}", tt.name, tt.tester) 782 blob, err := imports.Process("", []byte(code), nil) 783 if err != nil { 784 t.Fatalf("test %d: failed to generate tests: %v", i, err) 785 } 786 if err := ioutil.WriteFile(filepath.Join(pkg, strings.ToLower(tt.name)+"_test.go"), blob, 0600); err != nil { 787 t.Fatalf("test %d: failed to write tests: %v", i, err) 788 } 789 } 790 // Test the entire package and report any failures 791 cmd := exec.Command(gocmd, "test", "-v", "-count", "1") 792 cmd.Dir = pkg 793 if out, err := cmd.CombinedOutput(); err != nil { 794 t.Fatalf("failed to run binding test: %v\n%s", err, out) 795 } 796 }