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bind_test.go
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bind_test.go
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// 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"
"os"
"os/exec"
"path/filepath"
"runtime"
"strings"
"testing"
"github.com/ethereum/go-ethereum/common"
)
var bindTests = []struct {
name string
contract string
bytecode []string
abi []string
imports string
tester string
fsigs []map[string]string
libs map[string]string
aliases map[string]string
types []string
}{
// Test that the binding is available in combined and separate forms too
{
`Empty`,
`contract NilContract {}`,
[]string{`606060405260068060106000396000f3606060405200`},
[]string{`[]`},
`"github.com/ethereum/go-ethereum/common"`,
`
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)
}
`,
nil,
nil,
nil,
nil,
},
// Test that all the official sample contracts bind correctly
{
`Token`,
`https://ethereum.org/token`,
[]string{`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`},
[]string{`[{"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"}]`},
`"github.com/ethereum/go-ethereum/common"`,
`
if b, err := NewToken(common.Address{}, nil); b == nil || err != nil {
t.Fatalf("binding (%v) nil or error (%v) not nil", b, nil)
}
`,
nil,
nil,
nil,
nil,
},
{
`Crowdsale`,
`https://ethereum.org/crowdsale`,
[]string{`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`},
[]string{`[{"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"}]`},
`"github.com/ethereum/go-ethereum/common"`,
`
if b, err := NewCrowdsale(common.Address{}, nil); b == nil || err != nil {
t.Fatalf("binding (%v) nil or error (%v) not nil", b, nil)
}
`,
nil,
nil,
nil,
nil,
},
{
`DAO`,
`https://ethereum.org/dao`,
[]string{`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01000a031916815260200191505b5091505060006040518083038185876185025a03f15050505060048101805460ff191660011761ff00191661010017905561116d565b60048101805460ff191660011761ff00191690555b60068101546005820154600483015460408051888152602081019490945283810192909252610100900460ff166060830152517fd220b7272a8b6d0d7d6bcdace67b936a8f175e6d5c1b3ee438b72256b32ab3af9181900360800190a1509291505056a66cc928b5edb82af9bd49922954155ab7b0942694bea4ce44661d9a8736c688`},
[]string{`[{"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"}]`},
`"github.com/ethereum/go-ethereum/common"`,
`
if b, err := NewDAO(common.Address{}, nil); b == nil || err != nil {
t.Fatalf("binding (%v) nil or error (%v) not nil", b, nil)
}
`,
nil,
nil,
nil,
nil,
},
// Test that named and anonymous inputs are handled correctly
{
`InputChecker`, ``, []string{``},
[]string{`
[
{"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":[]}
]
`},
`
"fmt"
"github.com/ethereum/go-ethereum/common"
`,
`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)
}`,
nil,
nil,
nil,
nil,
},
// Test that named and anonymous outputs are handled correctly
{
`OutputChecker`, ``, []string{``},
[]string{`
[
{"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"}]}
]
`},
`
"fmt"
"github.com/ethereum/go-ethereum/common"
`,
`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)
}`,
nil,
nil,
nil,
nil,
},
// Tests that named, anonymous and indexed events are handled correctly
{
`EventChecker`, ``, []string{``},
[]string{`
[
{"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"}]},
{"type":"event","name":"unnamed","inputs":[{"name":"","type":"uint256","indexed": true},{"name":"","type":"uint256","indexed":true}]}
]
`},
`
"fmt"
"math/big"
"reflect"
"github.com/ethereum/go-ethereum/common"
`,
`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)
oit, err := e.FilterUnnamed(nil, []*big.Int{}, []*big.Int{})
arg0 := oit.Event.Arg0 // Make sure unnamed arguments are handled correctly
arg1 := oit.Event.Arg1 // Make sure unnamed arguments are handled correctly
fmt.Println(arg0, arg1)
}
// 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)")
}`,
nil,
nil,
nil,
nil,
},
// 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;
}
}
`,
[]string{`6060604052604051610328380380610328833981016040528051018060006000509080519060200190828054600181600116156101000203166002900490600052602060002090601f016020900481019282601f10608d57805160ff19168380011785555b50607c9291505b8082111560ba57838155600101606b565b50505061026a806100be6000396000f35b828001600101855582156064579182015b828111156064578251826000505591602001919060010190609e565b509056606060405260e060020a60003504630d86a0e181146100315780636874e8091461008d578063d736c513146100ea575b005b610190600180546020600282841615610100026000190190921691909104601f810182900490910260809081016040526060828152929190828280156102295780601f106101fe57610100808354040283529160200191610229565b61019060008054602060026001831615610100026000190190921691909104601f810182900490910260809081016040526060828152929190828280156102295780601f106101fe57610100808354040283529160200191610229565b60206004803580820135601f81018490049093026080908101604052606084815261002f946024939192918401918190838280828437509496505050505050508060016000509080519060200190828054600181600116156101000203166002900490600052602060002090601f016020900481019282601f1061023157805160ff19168380011785555b506102619291505b808211156102665760008155830161017d565b60405180806020018281038252838181518152602001915080519060200190808383829060006004602084601f0104600f02600301f150905090810190601f1680156101f05780820380516001836020036101000a031916815260200191505b509250505060405180910390f35b820191906000526020600020905b81548152906001019060200180831161020c57829003601f168201915b505050505081565b82800160010185558215610175579182015b82811115610175578251826000505591602001919060010190610243565b505050565b509056`},
[]string{`[{"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"}]`},
`
"math/big"
"github.com/ethereum/go-ethereum/accounts/abi/bind"
"github.com/ethereum/go-ethereum/accounts/abi/bind/backends"
"github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/crypto"
`,
`
// Generate a new random account and a funded simulator
key, _ := crypto.GenerateKey()
auth, _ := bind.NewKeyedTransactorWithChainID(key, big.NewInt(1337))
sim := backends.NewSimulatedBackend(types.GenesisAlloc{auth.From: {Balance: big.NewInt(10000000000000000)}}, 10000000)
defer sim.Close()
// 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)
}
sim.Commit()
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)
}
`,
nil,
nil,
nil,
nil,
},
// Tests that plain values can be properly returned and deserialized
{
`Getter`,
`
contract Getter {
function getter() constant returns (string, int, bytes32) {
return ("Hi", 1, sha3(""));
}
}
`,
[]string{`606060405260dc8060106000396000f3606060405260e060020a6000350463993a04b78114601a575b005b600060605260c0604052600260809081527f486900000000000000000000000000000000000000000000000000000000000060a05260017fc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a47060e0829052610100819052606060c0908152600261012081905281906101409060a09080838184600060046012f1505081517fffff000000000000000000000000000000000000000000000000000000000000169091525050604051610160819003945092505050f3`},
[]string{`[{"constant":true,"inputs":[],"name":"getter","outputs":[{"name":"","type":"string"},{"name":"","type":"int256"},{"name":"","type":"bytes32"}],"type":"function"}]`},
`
"math/big"
"github.com/ethereum/go-ethereum/accounts/abi/bind"
"github.com/ethereum/go-ethereum/accounts/abi/bind/backends"
"github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/crypto"
`,
`
// Generate a new random account and a funded simulator
key, _ := crypto.GenerateKey()
auth, _ := bind.NewKeyedTransactorWithChainID(key, big.NewInt(1337))
sim := backends.NewSimulatedBackend(types.GenesisAlloc{auth.From: {Balance: big.NewInt(10000000000000000)}}, 10000000)
defer sim.Close()
// 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)
}
`,
nil,
nil,
nil,
nil,
},
// 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(""));
}
}
`,
[]string{`606060405260dc8060106000396000f3606060405260e060020a60003504633175aae28114601a575b005b600060605260c0604052600260809081527f486900000000000000000000000000000000000000000000000000000000000060a05260017fc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a47060e0829052610100819052606060c0908152600261012081905281906101409060a09080838184600060046012f1505081517fffff000000000000000000000000000000000000000000000000000000000000169091525050604051610160819003945092505050f3`},
[]string{`[{"constant":true,"inputs":[],"name":"tuple","outputs":[{"name":"a","type":"string"},{"name":"b","type":"int256"},{"name":"c","type":"bytes32"}],"type":"function"}]`},
`
"math/big"
"github.com/ethereum/go-ethereum/accounts/abi/bind"
"github.com/ethereum/go-ethereum/accounts/abi/bind/backends"
"github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/crypto"
`,
`
// Generate a new random account and a funded simulator
key, _ := crypto.GenerateKey()
auth, _ := bind.NewKeyedTransactorWithChainID(key, big.NewInt(1337))
sim := backends.NewSimulatedBackend(types.GenesisAlloc{auth.From: {Balance: big.NewInt(10000000000000000)}}, 10000000)
defer sim.Close()
// 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)
}
`,
nil,
nil,
nil,
nil,
},
// 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;
}
}
`,
[]string{`606060405261015c806100126000396000f3606060405260e060020a6000350463be1127a3811461003c578063d88becc014610092578063e15a3db71461003c578063f637e5891461003c575b005b604080516020600480358082013583810285810185019096528085526100ee959294602494909392850192829185019084908082843750949650505050505050604080516020810190915260009052805b919050565b604080516102e0818101909252610138916004916102e491839060179083908390808284375090955050505050506102e0604051908101604052806017905b60008152602001906001900390816100d15790505081905061008d565b60405180806020018281038252838181518152602001915080519060200190602002808383829060006004602084601f0104600f02600301f1509050019250505060405180910390f35b60405180826102e0808381846000600461015cf15090500191505060405180910390f3`},
[]string{`[{"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"}]`},
`
"math/big"
"reflect"
"github.com/ethereum/go-ethereum/accounts/abi/bind"
"github.com/ethereum/go-ethereum/accounts/abi/bind/backends"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/crypto"
`,
`
// Generate a new random account and a funded simulator
key, _ := crypto.GenerateKey()
auth, _ := bind.NewKeyedTransactorWithChainID(key, big.NewInt(1337))
sim := backends.NewSimulatedBackend(types.GenesisAlloc{auth.From: {Balance: big.NewInt(10000000000000000)}}, 10000000)
defer sim.Close()
// 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{}})
}
`,
nil,
nil,
nil,
nil,
},
// Tests that anonymous default methods can be correctly invoked
{
`Defaulter`,
`
contract Defaulter {
address public caller;
function() {
caller = msg.sender;
}
}
`,
[]string{`6060604052606a8060106000396000f360606040523615601d5760e060020a6000350463fc9c8d3981146040575b605e6000805473ffffffffffffffffffffffffffffffffffffffff191633179055565b606060005473ffffffffffffffffffffffffffffffffffffffff1681565b005b6060908152602090f3`},
[]string{`[{"constant":true,"inputs":[],"name":"caller","outputs":[{"name":"","type":"address"}],"type":"function"}]`},
`
"math/big"
"github.com/ethereum/go-ethereum/accounts/abi/bind"
"github.com/ethereum/go-ethereum/accounts/abi/bind/backends"
"github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/crypto"
`,
`
// Generate a new random account and a funded simulator
key, _ := crypto.GenerateKey()
auth, _ := bind.NewKeyedTransactorWithChainID(key, big.NewInt(1337))
sim := backends.NewSimulatedBackend(types.GenesisAlloc{auth.From: {Balance: big.NewInt(10000000000000000)}}, 10000000)
defer sim.Close()
// 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)
}
sim.Commit()
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)
}
`,
nil,
nil,
nil,
nil,
},
// Tests that structs are correctly unpacked
{
`Structs`,
`
pragma solidity ^0.6.5;
pragma experimental ABIEncoderV2;
contract Structs {
struct A {
bytes32 B;
}
function F() public view returns (A[] memory a, uint256[] memory c, bool[] memory d) {
A[] memory a = new A[](2);
a[0].B = bytes32(uint256(1234) << 96);
uint256[] memory c;
bool[] memory d;
return (a, c, d);
}
function G() public view returns (A[] memory a) {
A[] memory a = new A[](2);
a[0].B = bytes32(uint256(1234) << 96);
return a;
}
}
`,
[]string{`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`},
[]string{`[{"inputs":[],"name":"F","outputs":[{"components":[{"internalType":"bytes32","name":"B","type":"bytes32"}],"internalType":"structStructs.A[]","name":"a","type":"tuple[]"},{"internalType":"uint256[]","name":"c","type":"uint256[]"},{"internalType":"bool[]","name":"d","type":"bool[]"}],"stateMutability":"view","type":"function"},{"inputs":[],"name":"G","outputs":[{"components":[{"internalType":"bytes32","name":"B","type":"bytes32"}],"internalType":"structStructs.A[]","name":"a","type":"tuple[]"}],"stateMutability":"view","type":"function"}]`},
`
"math/big"
"github.com/ethereum/go-ethereum/accounts/abi/bind"
"github.com/ethereum/go-ethereum/accounts/abi/bind/backends"
"github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/crypto"
`,
`
// Generate a new random account and a funded simulator
key, _ := crypto.GenerateKey()
auth, _ := bind.NewKeyedTransactorWithChainID(key, big.NewInt(1337))
sim := backends.NewSimulatedBackend(types.GenesisAlloc{auth.From: {Balance: big.NewInt(10000000000000000)}}, 10000000)
defer sim.Close()
// Deploy a structs method invoker contract and execute its default method
_, _, structs, err := DeployStructs(auth, sim)
if err != nil {
t.Fatalf("Failed to deploy defaulter contract: %v", err)
}
sim.Commit()
opts := bind.CallOpts{}
if _, err := structs.F(&opts); err != nil {
t.Fatalf("Failed to invoke F method: %v", err)
}
if _, err := structs.G(&opts); err != nil {
t.Fatalf("Failed to invoke G method: %v", err)
}
`,
nil,
nil,
nil,
nil,
},
// 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";
}
}
`,
[]string{`6060604052609f8060106000396000f3606060405260e060020a6000350463f97a60058114601a575b005b600060605260c0604052600d60809081527f4920646f6e27742065786973740000000000000000000000000000000000000060a052602060c0908152600d60e081905281906101009060a09080838184600060046012f15050815172ffffffffffffffffffffffffffffffffffffff1916909152505060405161012081900392509050f3`},
[]string{`[{"constant":true,"inputs":[],"name":"String","outputs":[{"name":"","type":"string"}],"type":"function"}]`},
`
"github.com/ethereum/go-ethereum/accounts/abi/bind"
"github.com/ethereum/go-ethereum/accounts/abi/bind/backends"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/core/types"
`,
`
// Create a simulator and wrap a non-deployed contract
sim := backends.NewSimulatedBackend(types.GenesisAlloc{}, uint64(10000000000))
defer sim.Close()
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)
}
`,
nil,
nil,
nil,
nil,
},
{
`NonExistentStruct`,
`
contract NonExistentStruct {
function Struct() public view returns(uint256 a, uint256 b) {
return (10, 10);
}
}
`,
[]string{`6080604052348015600f57600080fd5b5060888061001e6000396000f3fe6080604052348015600f57600080fd5b506004361060285760003560e01c8063d5f6622514602d575b600080fd5b6033604c565b6040805192835260208301919091528051918290030190f35b600a809156fea264697066735822beefbeefbeefbeefbeefbeefbeefbeefbeefbeefbeefbeefbeefbeefbeefbeefbeef64736f6c6343decafe0033`},
[]string{`[{"inputs":[],"name":"Struct","outputs":[{"internalType":"uint256","name":"a","type":"uint256"},{"internalType":"uint256","name":"b","type":"uint256"}],"stateMutability":"pure","type":"function"}]`},
`
"github.com/ethereum/go-ethereum/accounts/abi/bind"
"github.com/ethereum/go-ethereum/accounts/abi/bind/backends"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/core/types"
`,
`
// Create a simulator and wrap a non-deployed contract
sim := backends.NewSimulatedBackend(types.GenesisAlloc{}, uint64(10000000000))
defer sim.Close()
nonexistent, err := NewNonExistentStruct(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.Struct(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)
}
`,
nil,
nil,
nil,
nil,
},
// 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;
}
}
`,
[]string{`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`},
[]string{`[{"constant":false,"inputs":[{"name":"value","type":"string"}],"name":"SetField","outputs":[],"type":"function"},{"constant":true,"inputs":[],"name":"field","outputs":[{"name":"","type":"string"}],"type":"function"}]`},
`
"math/big"
"github.com/ethereum/go-ethereum/accounts/abi/bind"
"github.com/ethereum/go-ethereum/accounts/abi/bind/backends"
"github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/crypto"
`,
`
// Generate a new random account and a funded simulator
key, _ := crypto.GenerateKey()
auth, _ := bind.NewKeyedTransactorWithChainID(key, big.NewInt(1337))
sim := backends.NewSimulatedBackend(types.GenesisAlloc{auth.From: {Balance: big.NewInt(10000000000000000)}}, 10000000)
defer sim.Close()
// 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")
}
`,
nil,
nil,
nil,
nil,
},
// Test that constant functions can be called from an (optional) specified address
{
`CallFrom`,
`
contract CallFrom {
function callFrom() constant returns(address) {
return msg.sender;
}
}
`, []string{`6060604052346000575b6086806100176000396000f300606060405263ffffffff60e060020a60003504166349f8e98281146022575b6000565b34600057602c6055565b6040805173ffffffffffffffffffffffffffffffffffffffff9092168252519081900360200190f35b335b905600a165627a7a72305820aef6b7685c0fa24ba6027e4870404a57df701473fe4107741805c19f5138417c0029`},
[]string{`[{"constant":true,"inputs":[],"name":"callFrom","outputs":[{"name":"","type":"address"}],"payable":false,"type":"function"}]`},
`
"math/big"
"github.com/ethereum/go-ethereum/accounts/abi/bind"
"github.com/ethereum/go-ethereum/accounts/abi/bind/backends"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/crypto"
`,
`
// Generate a new random account and a funded simulator
key, _ := crypto.GenerateKey()
auth, _ := bind.NewKeyedTransactorWithChainID(key, big.NewInt(1337))
sim := backends.NewSimulatedBackend(types.GenesisAlloc{auth.From: {Balance: big.NewInt(10000000000000000)}}, 10000000)
defer sim.Close()
// 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)
}
}
`,
nil,
nil,
nil,
nil,
},
// 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;
}
}
`, []string{`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`},
[]string{`[{"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"}]`},
`
"fmt"
"math/big"
"github.com/ethereum/go-ethereum/accounts/abi/bind"
"github.com/ethereum/go-ethereum/accounts/abi/bind/backends"
"github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/crypto"
`,
`
// Generate a new random account and a funded simulator
key, _ := crypto.GenerateKey()
auth, _ := bind.NewKeyedTransactorWithChainID(key, big.NewInt(1337))
sim := backends.NewSimulatedBackend(types.GenesisAlloc{auth.From: {Balance: big.NewInt(10000000000000000)}}, 10000000)
defer sim.Close()
// 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)
`,
nil,
nil,
nil,
nil,
},
// 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);
}
event FixedBytesEvent (
bytes24 indexed IndexedBytes,
bytes24 NonIndexedBytes
);
function raiseFixedBytesEvent(bytes24 blob) {
FixedBytesEvent(blob, blob);
}
}
`,
[]string{`608060405234801561001057600080fd5b5061043f806100206000396000f3006080604052600436106100615763ffffffff7c0100000000000000000000000000000000000000000000000000000000600035041663528300ff8114610066578063630c31e2146100ff5780636cc6b94014610138578063c7d116dd1461015b575b600080fd5b34801561007257600080fd5b506040805160206004803580820135601f81018490048402850184019095528484526100fd94369492936024939284019190819084018382808284375050604080516020601f89358b018035918201839004830284018301909452808352979a9998810197919650918201945092508291508401838280828437509497506101829650505050505050565b005b34801561010b57600080fd5b506100fd73ffffffffffffffffffffffffffffffffffffffff60043516602435604435151560643561033c565b34801561014457600080fd5b506100fd67ffffffffffffffff1960043516610394565b34801561016757600080fd5b506100fd60043560243560010b63ffffffff604435166103d6565b806040518082805190602001908083835b602083106101b25780518252601f199092019160209182019101610193565b51815160209384036101000a6000190180199092169116179052604051919093018190038120875190955087945090928392508401908083835b6020831061020b5780518252601f1990920191602091820191016101ec565b6001836020036101000a03801982511681845116808217855250505050505090500191505060405180910390207f3281fd4f5e152dd3385df49104a3f633706e21c9e80672e88d3bcddf33101f008484604051808060200180602001838103835285818151815260200191508051906020019080838360005b8381101561029c578181015183820152602001610284565b50505050905090810190601f1680156102c95780820380516001836020036101000a031916815260200191505b50838103825284518152845160209182019186019080838360005b838110156102fc5781810151838201526020016102e4565b50505050905090810190601f1680156103295780820380516001836020036101000a031916815260200191505b5094505050505060405180910390a35050565b60408051828152905183151591859173ffffffffffffffffffffffffffffffffffffffff8816917f1f097de4289df643bd9c11011cc61367aa12983405c021056e706eb5ba1250c8919081900360200190a450505050565b6040805167ffffffffffffffff19831680825291517fcdc4c1b1aed5524ffb4198d7a5839a34712baef5fa06884fac7559f4a5854e0a9181900360200190a250565b8063ffffffff168260010b847f3ca7f3a77e5e6e15e781850bc82e32adfa378a2a609370db24b4d0fae10da2c960405160405180910390a45050505600a165627a7a72305820468b5843bf653145bd924b323c64ef035d3dd922c170644b44d61aa666ea6eee0029`},
[]string{`[{"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":"blob","type":"bytes24"}],"name":"raiseFixedBytesEvent","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"},{"anonymous":false,"inputs":[{"indexed":true,"name":"IndexedBytes","type":"bytes24"},{"indexed":false,"name":"NonIndexedBytes","type":"bytes24"}],"name":"FixedBytesEvent","type":"event"}]`},
`
"math/big"
"time"
"github.com/ethereum/go-ethereum/accounts/abi/bind"
"github.com/ethereum/go-ethereum/accounts/abi/bind/backends"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/crypto"
`,
`
// Generate a new random account and a funded simulator
key, _ := crypto.GenerateKey()
auth, _ := bind.NewKeyedTransactorWithChainID(key, big.NewInt(1337))
sim := backends.NewSimulatedBackend(types.GenesisAlloc{auth.From: {Balance: big.NewInt(10000000000000000)}}, 10000000)
defer sim.Close()
// 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 {