// 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 . 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":"collidingOutputs","constant":true,"inputs":[],"outputs":[{"name":"str","type":"string"},{"name":"Str","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.CollidingOutputs(nil) str1, str2, err = b.AnonOutputs(nil) str1, str2, err = b.MixedOutputs(nil) fmt.Println(str1, str2, res.Str1, res.Str2, err) }`, }, // Tests that named, anonymous and indexed events are handled correctly { `EventChecker`, ``, ``, ` [ {"type":"event","name":"empty","inputs":[]}, {"type":"event","name":"indexed","inputs":[{"name":"addr","type":"address","indexed":true},{"name":"num","type":"int256","indexed":true}]}, {"type":"event","name":"mixed","inputs":[{"name":"addr","type":"address","indexed":true},{"name":"num","type":"int256"}]}, {"type":"event","name":"anonymous","anonymous":true,"inputs":[]}, {"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"}]} ] `, `if e, err := NewEventChecker(common.Address{}, nil); e == nil || err != nil { t.Fatalf("binding (%v) nil or error (%v) not nil", e, nil) } else if false { // Don't run, just compile and test types var ( err error res bool str string dat []byte hash common.Hash ) _, err = e.FilterEmpty(nil) _, err = e.FilterIndexed(nil, []common.Address{}, []*big.Int{}) mit, err := e.FilterMixed(nil, []common.Address{}) res = mit.Next() // Make sure the iterator has a Next method err = mit.Error() // Make sure the iterator has an Error method err = mit.Close() // Make sure the iterator has a Close method fmt.Println(mit.Event.Raw.BlockHash) // Make sure the raw log is contained within the results fmt.Println(mit.Event.Num) // Make sure the unpacked non-indexed fields are present fmt.Println(mit.Event.Addr) // Make sure the reconstructed indexed fields are present dit, err := e.FilterDynamic(nil, []string{}, [][]byte{}) str = dit.Event.Str // Make sure non-indexed strings retain their type dat = dit.Event.Dat // Make sure non-indexed bytes retain their type hash = dit.Event.IdxStr // Make sure indexed strings turn into hashes hash = dit.Event.IdxDat // Make sure indexed bytes turn into hashes sink := make(chan *EventCheckerMixed) sub, err := e.WatchMixed(nil, sink, []common.Address{}) defer sub.Unsubscribe() event := <-sink fmt.Println(event.Raw.BlockHash) // Make sure the raw log is contained within the results fmt.Println(event.Num) // Make sure the unpacked non-indexed fields are present fmt.Println(event.Addr) // Make sure the reconstructed indexed fields are present fmt.Println(res, str, dat, hash, err) } // Run a tiny reflection test to ensure disallowed methods don't appear if _, ok := reflect.TypeOf(&EventChecker{}).MethodByName("FilterAnonymous"); ok { t.Errorf("binding has disallowed method (FilterAnonymous)") }`, }, // 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; } } `, `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`, `[{"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 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 methods and returns with underscores inside work correctly. { `Underscorer`, ` contract Underscorer { function UnderscoredOutput() constant returns (int _int, string _string) { return (314, "pi"); } function LowerLowerCollision() constant returns (int _res, int res) { return (1, 2); } function LowerUpperCollision() constant returns (int _res, int Res) { return (1, 2); } function UpperLowerCollision() constant returns (int _Res, int res) { return (1, 2); } function UpperUpperCollision() constant returns (int _Res, int Res) { return (1, 2); } function PurelyUnderscoredOutput() constant returns (int _, int res) { return (1, 2); } function AllPurelyUnderscoredOutput() constant returns (int _, int __) { return (1, 2); } function _under_scored_func() constant returns (int _int) { return 0; } } `, `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`, `[{"constant":true,"inputs":[],"name":"LowerUpperCollision","outputs":[{"name":"_res","type":"int256"},{"name":"Res","type":"int256"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[],"name":"_under_scored_func","outputs":[{"name":"_int","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"}]`, ` // 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 underscorer tester contract and execute a structured call on it _, _, underscorer, err := DeployUnderscorer(auth, sim) if err != nil { t.Fatalf("Failed to deploy underscorer contract: %v", err) } sim.Commit() // Verify that underscored return values correctly parse into structs if res, err := underscorer.UnderscoredOutput(nil); err != nil { t.Errorf("Failed to call constant function: %v", err) } else if res.Int.Cmp(big.NewInt(314)) != 0 || res.String != "pi" { t.Errorf("Invalid result, want: {314, \"pi\"}, got: %+v", res) } // Verify that underscored and non-underscored name collisions force tuple outputs var a, b *big.Int a, b, _ = underscorer.LowerLowerCollision(nil) a, b, _ = underscorer.LowerUpperCollision(nil) a, b, _ = underscorer.UpperLowerCollision(nil) a, b, _ = underscorer.UpperUpperCollision(nil) a, b, _ = underscorer.PurelyUnderscoredOutput(nil) a, b, _ = underscorer.AllPurelyUnderscoredOutput(nil) a, _ = underscorer.UnderScoredFunc(nil) fmt.Println(a, b, err) `, }, // Tests that logs can be successfully filtered and decoded. { `Eventer`, ` contract Eventer { event SimpleEvent ( address indexed Addr, bytes32 indexed Id, bool indexed Flag, uint Value ); function raiseSimpleEvent(address addr, bytes32 id, bool flag, uint value) { SimpleEvent(addr, id, flag, value); } event NodataEvent ( uint indexed Number, int16 indexed Short, uint32 indexed Long ); function raiseNodataEvent(uint number, int16 short, uint32 long) { NodataEvent(number, short, long); } event DynamicEvent ( string indexed IndexedString, bytes indexed IndexedBytes, string NonIndexedString, bytes NonIndexedBytes ); function raiseDynamicEvent(string str, bytes blob) { DynamicEvent(str, blob, str, blob); } } `, `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`, `[{"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"}]`, ` // 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 eventer contract _, _, eventer, err := DeployEventer(auth, sim) if err != nil { t.Fatalf("Failed to deploy eventer contract: %v", err) } sim.Commit() // Inject a few events into the contract, gradually more in each block for i := 1; i <= 3; i++ { for j := 1; j <= i; j++ { if _, err := eventer.RaiseSimpleEvent(auth, common.Address{byte(j)}, [32]byte{byte(j)}, true, big.NewInt(int64(10*i+j))); err != nil { t.Fatalf("block %d, event %d: raise failed: %v", i, j, err) } } sim.Commit() } // Test filtering for certain events and ensure they can be found sit, err := eventer.FilterSimpleEvent(nil, []common.Address{common.Address{1}, common.Address{3}}, [][32]byte{{byte(1)}, {byte(2)}, {byte(3)}}, []bool{true}) if err != nil { t.Fatalf("failed to filter for simple events: %v", err) } defer sit.Close() sit.Next() if sit.Event.Value.Uint64() != 11 || !sit.Event.Flag { t.Errorf("simple log content mismatch: have %v, want {11, true}", sit.Event) } sit.Next() if sit.Event.Value.Uint64() != 21 || !sit.Event.Flag { t.Errorf("simple log content mismatch: have %v, want {21, true}", sit.Event) } sit.Next() if sit.Event.Value.Uint64() != 31 || !sit.Event.Flag { t.Errorf("simple log content mismatch: have %v, want {31, true}", sit.Event) } sit.Next() if sit.Event.Value.Uint64() != 33 || !sit.Event.Flag { t.Errorf("simple log content mismatch: have %v, want {33, true}", sit.Event) } if sit.Next() { t.Errorf("unexpected simple event found: %+v", sit.Event) } if err = sit.Error(); err != nil { t.Fatalf("simple event iteration failed: %v", err) } // Test raising and filtering for an event with no data component if _, err := eventer.RaiseNodataEvent(auth, big.NewInt(314), 141, 271); err != nil { t.Fatalf("failed to raise nodata event: %v", err) } sim.Commit() nit, err := eventer.FilterNodataEvent(nil, []*big.Int{big.NewInt(314)}, []int16{140, 141, 142}, []uint32{271}) if err != nil { t.Fatalf("failed to filter for nodata events: %v", err) } defer nit.Close() if !nit.Next() { t.Fatalf("nodata log not found: %v", nit.Error()) } if nit.Event.Number.Uint64() != 314 { t.Errorf("nodata log content mismatch: have %v, want 314", nit.Event.Number) } if nit.Next() { t.Errorf("unexpected nodata event found: %+v", nit.Event) } if err = nit.Error(); err != nil { t.Fatalf("nodata event iteration failed: %v", err) } // Test raising and filtering for events with dynamic indexed components if _, err := eventer.RaiseDynamicEvent(auth, "Hello", []byte("World")); err != nil { t.Fatalf("failed to raise dynamic event: %v", err) } sim.Commit() dit, err := eventer.FilterDynamicEvent(nil, []string{"Hi", "Hello", "Bye"}, [][]byte{[]byte("World")}) if err != nil { t.Fatalf("failed to filter for dynamic events: %v", err) } defer dit.Close() if !dit.Next() { t.Fatalf("dynamic log not found: %v", dit.Error()) } if dit.Event.NonIndexedString != "Hello" || string(dit.Event.NonIndexedBytes) != "World" || dit.Event.IndexedString != common.HexToHash("0x06b3dfaec148fb1bb2b066f10ec285e7c9bf402ab32aa78a5d38e34566810cd2") || dit.Event.IndexedBytes != common.HexToHash("0xf2208c967df089f60420785795c0a9ba8896b0f6f1867fa7f1f12ad6f79c1a18") { t.Errorf("dynamic log content mismatch: have %v, want {'0x06b3dfaec148fb1bb2b066f10ec285e7c9bf402ab32aa78a5d38e34566810cd2, '0xf2208c967df089f60420785795c0a9ba8896b0f6f1867fa7f1f12ad6f79c1a18', 'Hello', 'World'}", dit.Event) } if dit.Next() { t.Errorf("unexpected dynamic event found: %+v", dit.Event) } if err = dit.Error(); err != nil { t.Fatalf("dynamic event iteration failed: %v", err) } // Test subscribing to an event and raising it afterwards ch := make(chan *EventerSimpleEvent, 16) sub, err := eventer.WatchSimpleEvent(nil, ch, nil, nil, nil) if err != nil { t.Fatalf("failed to subscribe to simple events: %v", err) } if _, err := eventer.RaiseSimpleEvent(auth, common.Address{255}, [32]byte{255}, true, big.NewInt(255)); err != nil { t.Fatalf("failed to raise subscribed simple event: %v", err) } sim.Commit() select { case event := <-ch: if event.Value.Uint64() != 255 { t.Errorf("simple log content mismatch: have %v, want 255", event) } case <-time.After(250 * time.Millisecond): t.Fatalf("subscribed simple event didn't arrive") } // Unsubscribe from the event and make sure we're not delivered more sub.Unsubscribe() if _, err := eventer.RaiseSimpleEvent(auth, common.Address{254}, [32]byte{254}, true, big.NewInt(254)); err != nil { t.Fatalf("failed to raise subscribed simple event: %v", err) } sim.Commit() select { case event := <-ch: t.Fatalf("unsubscribed simple event arrived: %v", event) case <-time.After(250 * time.Millisecond): } `, }, { `DeeplyNestedArray`, ` contract DeeplyNestedArray { uint64[3][4][5] public deepUint64Array; function storeDeepUintArray(uint64[3][4][5] arr) public { deepUint64Array = arr; } function retrieveDeepArray() public view returns (uint64[3][4][5]) { return deepUint64Array; } } `, `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`, `[{"constant":false,"inputs":[{"name":"arr","type":"uint64[3][4][5]"}],"name":"storeDeepUintArray","outputs":[],"payable":false,"stateMutability":"nonpayable","type":"function"},{"constant":true,"inputs":[],"name":"retrieveDeepArray","outputs":[{"name":"","type":"uint64[3][4][5]"}],"payable":false,"stateMutability":"view","type":"function"},{"constant":true,"inputs":[{"name":"","type":"uint256"},{"name":"","type":"uint256"},{"name":"","type":"uint256"}],"name":"deepUint64Array","outputs":[{"name":"","type":"uint64"}],"payable":false,"stateMutability":"view","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 the test contract _, _, testContract, err := DeployDeeplyNestedArray(auth, sim) if err != nil { t.Fatalf("Failed to deploy test contract: %v", err) } // Finish deploy. sim.Commit() //Create coordinate-filled array, for testing purposes. testArr := [5][4][3]uint64{} for i := 0; i < 5; i++ { testArr[i] = [4][3]uint64{} for j := 0; j < 4; j++ { testArr[i][j] = [3]uint64{} for k := 0; k < 3; k++ { //pack the coordinates, each array value will be unique, and can be validated easily. testArr[i][j][k] = uint64(i) << 16 | uint64(j) << 8 | uint64(k) } } } if _, err := testContract.StoreDeepUintArray(&bind.TransactOpts{ From: auth.From, Signer: auth.Signer, }, testArr); err != nil { t.Fatalf("Failed to store nested array in test contract: %v", err) } sim.Commit() retrievedArr, err := testContract.RetrieveDeepArray(&bind.CallOpts{ From: auth.From, Pending: false, }) if err != nil { t.Fatalf("Failed to retrieve nested array from test contract: %v", err) } //quick check to see if contents were copied // (See accounts/abi/unpack_test.go for more extensive testing) if retrievedArr[4][3][2] != testArr[4][3][2] { t.Fatalf("Retrieved value does not match expected value! got: %d, expected: %d. %v", retrievedArr[4][3][2], testArr[4][3][2], err) } `, }, } // 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(os.TempDir(), []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", "-count", "1") cmd.Dir = pkg if out, err := cmd.CombinedOutput(); err != nil { t.Fatalf("failed to run binding test: %v\n%s", err, out) } }