From de366fd2e2e2ee6b93161a245a91e93fc1b1862f Mon Sep 17 00:00:00 2001 From: winniehere Date: Tue, 2 Jul 2024 20:58:15 +0800 Subject: [PATCH] accounts/abi: embed Go template instead of string literal (#30098) refactor(accounts/abi): use embed pkg to split default template to file --- accounts/abi/bind/source.go.tpl | 487 +++++++++++++++++++++++++++++++ accounts/abi/bind/template.go | 498 +------------------------------- 2 files changed, 495 insertions(+), 490 deletions(-) create mode 100644 accounts/abi/bind/source.go.tpl diff --git a/accounts/abi/bind/source.go.tpl b/accounts/abi/bind/source.go.tpl new file mode 100644 index 0000000000..c84862d03b --- /dev/null +++ b/accounts/abi/bind/source.go.tpl @@ -0,0 +1,487 @@ +// Code generated - DO NOT EDIT. +// This file is a generated binding and any manual changes will be lost. + +package {{.Package}} + +import ( + "math/big" + "strings" + "errors" + + ethereum "github.com/ethereum/go-ethereum" + "github.com/ethereum/go-ethereum/accounts/abi" + "github.com/ethereum/go-ethereum/accounts/abi/bind" + "github.com/ethereum/go-ethereum/common" + "github.com/ethereum/go-ethereum/core/types" + "github.com/ethereum/go-ethereum/event" +) + +// Reference imports to suppress errors if they are not otherwise used. +var ( + _ = errors.New + _ = big.NewInt + _ = strings.NewReader + _ = ethereum.NotFound + _ = bind.Bind + _ = common.Big1 + _ = types.BloomLookup + _ = event.NewSubscription + _ = abi.ConvertType +) + +{{$structs := .Structs}} +{{range $structs}} + // {{.Name}} is an auto generated low-level Go binding around an user-defined struct. + type {{.Name}} struct { + {{range $field := .Fields}} + {{$field.Name}} {{$field.Type}}{{end}} + } +{{end}} + +{{range $contract := .Contracts}} + // {{.Type}}MetaData contains all meta data concerning the {{.Type}} contract. + var {{.Type}}MetaData = &bind.MetaData{ + ABI: "{{.InputABI}}", + {{if $contract.FuncSigs -}} + Sigs: map[string]string{ + {{range $strsig, $binsig := .FuncSigs}}"{{$binsig}}": "{{$strsig}}", + {{end}} + }, + {{end -}} + {{if .InputBin -}} + Bin: "0x{{.InputBin}}", + {{end}} + } + // {{.Type}}ABI is the input ABI used to generate the binding from. + // Deprecated: Use {{.Type}}MetaData.ABI instead. + var {{.Type}}ABI = {{.Type}}MetaData.ABI + + {{if $contract.FuncSigs}} + // Deprecated: Use {{.Type}}MetaData.Sigs instead. + // {{.Type}}FuncSigs maps the 4-byte function signature to its string representation. + var {{.Type}}FuncSigs = {{.Type}}MetaData.Sigs + {{end}} + + {{if .InputBin}} + // {{.Type}}Bin is the compiled bytecode used for deploying new contracts. + // Deprecated: Use {{.Type}}MetaData.Bin instead. + var {{.Type}}Bin = {{.Type}}MetaData.Bin + + // Deploy{{.Type}} deploys a new Ethereum contract, binding an instance of {{.Type}} to it. + func Deploy{{.Type}}(auth *bind.TransactOpts, backend bind.ContractBackend {{range .Constructor.Inputs}}, {{.Name}} {{bindtype .Type $structs}}{{end}}) (common.Address, *types.Transaction, *{{.Type}}, error) { + parsed, err := {{.Type}}MetaData.GetAbi() + if err != nil { + return common.Address{}, nil, nil, err + } + if parsed == nil { + return common.Address{}, nil, nil, errors.New("GetABI returned nil") + } + {{range $pattern, $name := .Libraries}} + {{decapitalise $name}}Addr, _, _, _ := Deploy{{capitalise $name}}(auth, backend) + {{$contract.Type}}Bin = strings.ReplaceAll({{$contract.Type}}Bin, "__${{$pattern}}$__", {{decapitalise $name}}Addr.String()[2:]) + {{end}} + address, tx, contract, err := bind.DeployContract(auth, *parsed, common.FromHex({{.Type}}Bin), backend {{range .Constructor.Inputs}}, {{.Name}}{{end}}) + if err != nil { + return common.Address{}, nil, nil, err + } + return address, tx, &{{.Type}}{ {{.Type}}Caller: {{.Type}}Caller{contract: contract}, {{.Type}}Transactor: {{.Type}}Transactor{contract: contract}, {{.Type}}Filterer: {{.Type}}Filterer{contract: contract} }, nil + } + {{end}} + + // {{.Type}} is an auto generated Go binding around an Ethereum contract. + type {{.Type}} struct { + {{.Type}}Caller // Read-only binding to the contract + {{.Type}}Transactor // Write-only binding to the contract + {{.Type}}Filterer // Log filterer for contract events + } + + // {{.Type}}Caller is an auto generated read-only Go binding around an Ethereum contract. + type {{.Type}}Caller struct { + contract *bind.BoundContract // Generic contract wrapper for the low level calls + } + + // {{.Type}}Transactor is an auto generated write-only Go binding around an Ethereum contract. + type {{.Type}}Transactor struct { + contract *bind.BoundContract // Generic contract wrapper for the low level calls + } + + // {{.Type}}Filterer is an auto generated log filtering Go binding around an Ethereum contract events. + type {{.Type}}Filterer struct { + contract *bind.BoundContract // Generic contract wrapper for the low level calls + } + + // {{.Type}}Session is an auto generated Go binding around an Ethereum contract, + // with pre-set call and transact options. + type {{.Type}}Session struct { + Contract *{{.Type}} // Generic contract binding to set the session for + CallOpts bind.CallOpts // Call options to use throughout this session + TransactOpts bind.TransactOpts // Transaction auth options to use throughout this session + } + + // {{.Type}}CallerSession is an auto generated read-only Go binding around an Ethereum contract, + // with pre-set call options. + type {{.Type}}CallerSession struct { + Contract *{{.Type}}Caller // Generic contract caller binding to set the session for + CallOpts bind.CallOpts // Call options to use throughout this session + } + + // {{.Type}}TransactorSession is an auto generated write-only Go binding around an Ethereum contract, + // with pre-set transact options. + type {{.Type}}TransactorSession struct { + Contract *{{.Type}}Transactor // Generic contract transactor binding to set the session for + TransactOpts bind.TransactOpts // Transaction auth options to use throughout this session + } + + // {{.Type}}Raw is an auto generated low-level Go binding around an Ethereum contract. + type {{.Type}}Raw struct { + Contract *{{.Type}} // Generic contract binding to access the raw methods on + } + + // {{.Type}}CallerRaw is an auto generated low-level read-only Go binding around an Ethereum contract. + type {{.Type}}CallerRaw struct { + Contract *{{.Type}}Caller // Generic read-only contract binding to access the raw methods on + } + + // {{.Type}}TransactorRaw is an auto generated low-level write-only Go binding around an Ethereum contract. + type {{.Type}}TransactorRaw struct { + Contract *{{.Type}}Transactor // Generic write-only contract binding to access the raw methods on + } + + // New{{.Type}} creates a new instance of {{.Type}}, bound to a specific deployed contract. + func New{{.Type}}(address common.Address, backend bind.ContractBackend) (*{{.Type}}, error) { + contract, err := bind{{.Type}}(address, backend, backend, backend) + if err != nil { + return nil, err + } + return &{{.Type}}{ {{.Type}}Caller: {{.Type}}Caller{contract: contract}, {{.Type}}Transactor: {{.Type}}Transactor{contract: contract}, {{.Type}}Filterer: {{.Type}}Filterer{contract: contract} }, nil + } + + // New{{.Type}}Caller creates a new read-only instance of {{.Type}}, bound to a specific deployed contract. + func New{{.Type}}Caller(address common.Address, caller bind.ContractCaller) (*{{.Type}}Caller, error) { + contract, err := bind{{.Type}}(address, caller, nil, nil) + if err != nil { + return nil, err + } + return &{{.Type}}Caller{contract: contract}, nil + } + + // New{{.Type}}Transactor creates a new write-only instance of {{.Type}}, bound to a specific deployed contract. + func New{{.Type}}Transactor(address common.Address, transactor bind.ContractTransactor) (*{{.Type}}Transactor, error) { + contract, err := bind{{.Type}}(address, nil, transactor, nil) + if err != nil { + return nil, err + } + return &{{.Type}}Transactor{contract: contract}, nil + } + + // New{{.Type}}Filterer creates a new log filterer instance of {{.Type}}, bound to a specific deployed contract. + func New{{.Type}}Filterer(address common.Address, filterer bind.ContractFilterer) (*{{.Type}}Filterer, error) { + contract, err := bind{{.Type}}(address, nil, nil, filterer) + if err != nil { + return nil, err + } + return &{{.Type}}Filterer{contract: contract}, nil + } + + // bind{{.Type}} binds a generic wrapper to an already deployed contract. + func bind{{.Type}}(address common.Address, caller bind.ContractCaller, transactor bind.ContractTransactor, filterer bind.ContractFilterer) (*bind.BoundContract, error) { + parsed, err := {{.Type}}MetaData.GetAbi() + if err != nil { + return nil, err + } + return bind.NewBoundContract(address, *parsed, caller, transactor, filterer), nil + } + + // Call invokes the (constant) contract method with params as input values and + // sets the output to result. The result type might be a single field for simple + // returns, a slice of interfaces for anonymous returns and a struct for named + // returns. + func (_{{$contract.Type}} *{{$contract.Type}}Raw) Call(opts *bind.CallOpts, result *[]interface{}, method string, params ...interface{}) error { + return _{{$contract.Type}}.Contract.{{$contract.Type}}Caller.contract.Call(opts, result, method, params...) + } + + // Transfer initiates a plain transaction to move funds to the contract, calling + // its default method if one is available. + func (_{{$contract.Type}} *{{$contract.Type}}Raw) Transfer(opts *bind.TransactOpts) (*types.Transaction, error) { + return _{{$contract.Type}}.Contract.{{$contract.Type}}Transactor.contract.Transfer(opts) + } + + // Transact invokes the (paid) contract method with params as input values. + func (_{{$contract.Type}} *{{$contract.Type}}Raw) Transact(opts *bind.TransactOpts, method string, params ...interface{}) (*types.Transaction, error) { + return _{{$contract.Type}}.Contract.{{$contract.Type}}Transactor.contract.Transact(opts, method, params...) + } + + // Call invokes the (constant) contract method with params as input values and + // sets the output to result. The result type might be a single field for simple + // returns, a slice of interfaces for anonymous returns and a struct for named + // returns. + func (_{{$contract.Type}} *{{$contract.Type}}CallerRaw) Call(opts *bind.CallOpts, result *[]interface{}, method string, params ...interface{}) error { + return _{{$contract.Type}}.Contract.contract.Call(opts, result, method, params...) + } + + // Transfer initiates a plain transaction to move funds to the contract, calling + // its default method if one is available. + func (_{{$contract.Type}} *{{$contract.Type}}TransactorRaw) Transfer(opts *bind.TransactOpts) (*types.Transaction, error) { + return _{{$contract.Type}}.Contract.contract.Transfer(opts) + } + + // Transact invokes the (paid) contract method with params as input values. + func (_{{$contract.Type}} *{{$contract.Type}}TransactorRaw) Transact(opts *bind.TransactOpts, method string, params ...interface{}) (*types.Transaction, error) { + return _{{$contract.Type}}.Contract.contract.Transact(opts, method, params...) + } + + {{range .Calls}} + // {{.Normalized.Name}} is a free data retrieval call binding the contract method 0x{{printf "%x" .Original.ID}}. + // + // Solidity: {{.Original.String}} + func (_{{$contract.Type}} *{{$contract.Type}}Caller) {{.Normalized.Name}}(opts *bind.CallOpts {{range .Normalized.Inputs}}, {{.Name}} {{bindtype .Type $structs}} {{end}}) ({{if .Structured}}struct{ {{range .Normalized.Outputs}}{{.Name}} {{bindtype .Type $structs}};{{end}} },{{else}}{{range .Normalized.Outputs}}{{bindtype .Type $structs}},{{end}}{{end}} error) { + var out []interface{} + err := _{{$contract.Type}}.contract.Call(opts, &out, "{{.Original.Name}}" {{range .Normalized.Inputs}}, {{.Name}}{{end}}) + {{if .Structured}} + outstruct := new(struct{ {{range .Normalized.Outputs}} {{.Name}} {{bindtype .Type $structs}}; {{end}} }) + if err != nil { + return *outstruct, err + } + {{range $i, $t := .Normalized.Outputs}} + outstruct.{{.Name}} = *abi.ConvertType(out[{{$i}}], new({{bindtype .Type $structs}})).(*{{bindtype .Type $structs}}){{end}} + + return *outstruct, err + {{else}} + if err != nil { + return {{range $i, $_ := .Normalized.Outputs}}*new({{bindtype .Type $structs}}), {{end}} err + } + {{range $i, $t := .Normalized.Outputs}} + out{{$i}} := *abi.ConvertType(out[{{$i}}], new({{bindtype .Type $structs}})).(*{{bindtype .Type $structs}}){{end}} + + return {{range $i, $t := .Normalized.Outputs}}out{{$i}}, {{end}} err + {{end}} + } + + // {{.Normalized.Name}} is a free data retrieval call binding the contract method 0x{{printf "%x" .Original.ID}}. + // + // Solidity: {{.Original.String}} + func (_{{$contract.Type}} *{{$contract.Type}}Session) {{.Normalized.Name}}({{range $i, $_ := .Normalized.Inputs}}{{if ne $i 0}},{{end}} {{.Name}} {{bindtype .Type $structs}} {{end}}) ({{if .Structured}}struct{ {{range .Normalized.Outputs}}{{.Name}} {{bindtype .Type $structs}};{{end}} }, {{else}} {{range .Normalized.Outputs}}{{bindtype .Type $structs}},{{end}} {{end}} error) { + return _{{$contract.Type}}.Contract.{{.Normalized.Name}}(&_{{$contract.Type}}.CallOpts {{range .Normalized.Inputs}}, {{.Name}}{{end}}) + } + + // {{.Normalized.Name}} is a free data retrieval call binding the contract method 0x{{printf "%x" .Original.ID}}. + // + // Solidity: {{.Original.String}} + func (_{{$contract.Type}} *{{$contract.Type}}CallerSession) {{.Normalized.Name}}({{range $i, $_ := .Normalized.Inputs}}{{if ne $i 0}},{{end}} {{.Name}} {{bindtype .Type $structs}} {{end}}) ({{if .Structured}}struct{ {{range .Normalized.Outputs}}{{.Name}} {{bindtype .Type $structs}};{{end}} }, {{else}} {{range .Normalized.Outputs}}{{bindtype .Type $structs}},{{end}} {{end}} error) { + return _{{$contract.Type}}.Contract.{{.Normalized.Name}}(&_{{$contract.Type}}.CallOpts {{range .Normalized.Inputs}}, {{.Name}}{{end}}) + } + {{end}} + + {{range .Transacts}} + // {{.Normalized.Name}} is a paid mutator transaction binding the contract method 0x{{printf "%x" .Original.ID}}. + // + // Solidity: {{.Original.String}} + func (_{{$contract.Type}} *{{$contract.Type}}Transactor) {{.Normalized.Name}}(opts *bind.TransactOpts {{range .Normalized.Inputs}}, {{.Name}} {{bindtype .Type $structs}} {{end}}) (*types.Transaction, error) { + return _{{$contract.Type}}.contract.Transact(opts, "{{.Original.Name}}" {{range .Normalized.Inputs}}, {{.Name}}{{end}}) + } + + // {{.Normalized.Name}} is a paid mutator transaction binding the contract method 0x{{printf "%x" .Original.ID}}. + // + // Solidity: {{.Original.String}} + func (_{{$contract.Type}} *{{$contract.Type}}Session) {{.Normalized.Name}}({{range $i, $_ := .Normalized.Inputs}}{{if ne $i 0}},{{end}} {{.Name}} {{bindtype .Type $structs}} {{end}}) (*types.Transaction, error) { + return _{{$contract.Type}}.Contract.{{.Normalized.Name}}(&_{{$contract.Type}}.TransactOpts {{range $i, $_ := .Normalized.Inputs}}, {{.Name}}{{end}}) + } + + // {{.Normalized.Name}} is a paid mutator transaction binding the contract method 0x{{printf "%x" .Original.ID}}. + // + // Solidity: {{.Original.String}} + func (_{{$contract.Type}} *{{$contract.Type}}TransactorSession) {{.Normalized.Name}}({{range $i, $_ := .Normalized.Inputs}}{{if ne $i 0}},{{end}} {{.Name}} {{bindtype .Type $structs}} {{end}}) (*types.Transaction, error) { + return _{{$contract.Type}}.Contract.{{.Normalized.Name}}(&_{{$contract.Type}}.TransactOpts {{range $i, $_ := .Normalized.Inputs}}, {{.Name}}{{end}}) + } + {{end}} + + {{if .Fallback}} + // Fallback is a paid mutator transaction binding the contract fallback function. + // + // Solidity: {{.Fallback.Original.String}} + func (_{{$contract.Type}} *{{$contract.Type}}Transactor) Fallback(opts *bind.TransactOpts, calldata []byte) (*types.Transaction, error) { + return _{{$contract.Type}}.contract.RawTransact(opts, calldata) + } + + // Fallback is a paid mutator transaction binding the contract fallback function. + // + // Solidity: {{.Fallback.Original.String}} + func (_{{$contract.Type}} *{{$contract.Type}}Session) Fallback(calldata []byte) (*types.Transaction, error) { + return _{{$contract.Type}}.Contract.Fallback(&_{{$contract.Type}}.TransactOpts, calldata) + } + + // Fallback is a paid mutator transaction binding the contract fallback function. + // + // Solidity: {{.Fallback.Original.String}} + func (_{{$contract.Type}} *{{$contract.Type}}TransactorSession) Fallback(calldata []byte) (*types.Transaction, error) { + return _{{$contract.Type}}.Contract.Fallback(&_{{$contract.Type}}.TransactOpts, calldata) + } + {{end}} + + {{if .Receive}} + // Receive is a paid mutator transaction binding the contract receive function. + // + // Solidity: {{.Receive.Original.String}} + func (_{{$contract.Type}} *{{$contract.Type}}Transactor) Receive(opts *bind.TransactOpts) (*types.Transaction, error) { + return _{{$contract.Type}}.contract.RawTransact(opts, nil) // calldata is disallowed for receive function + } + + // Receive is a paid mutator transaction binding the contract receive function. + // + // Solidity: {{.Receive.Original.String}} + func (_{{$contract.Type}} *{{$contract.Type}}Session) Receive() (*types.Transaction, error) { + return _{{$contract.Type}}.Contract.Receive(&_{{$contract.Type}}.TransactOpts) + } + + // Receive is a paid mutator transaction binding the contract receive function. + // + // Solidity: {{.Receive.Original.String}} + func (_{{$contract.Type}} *{{$contract.Type}}TransactorSession) Receive() (*types.Transaction, error) { + return _{{$contract.Type}}.Contract.Receive(&_{{$contract.Type}}.TransactOpts) + } + {{end}} + + {{range .Events}} + // {{$contract.Type}}{{.Normalized.Name}}Iterator is returned from Filter{{.Normalized.Name}} and is used to iterate over the raw logs and unpacked data for {{.Normalized.Name}} events raised by the {{$contract.Type}} contract. + type {{$contract.Type}}{{.Normalized.Name}}Iterator struct { + Event *{{$contract.Type}}{{.Normalized.Name}} // Event containing the contract specifics and raw log + + contract *bind.BoundContract // Generic contract to use for unpacking event data + event string // Event name to use for unpacking event data + + logs chan types.Log // Log channel receiving the found contract events + sub ethereum.Subscription // Subscription for errors, completion and termination + done bool // Whether the subscription completed delivering logs + fail error // Occurred error to stop iteration + } + // Next advances the iterator to the subsequent event, returning whether there + // are any more events found. In case of a retrieval or parsing error, false is + // returned and Error() can be queried for the exact failure. + func (it *{{$contract.Type}}{{.Normalized.Name}}Iterator) Next() bool { + // If the iterator failed, stop iterating + if (it.fail != nil) { + return false + } + // If the iterator completed, deliver directly whatever's available + if (it.done) { + select { + case log := <-it.logs: + it.Event = new({{$contract.Type}}{{.Normalized.Name}}) + if err := it.contract.UnpackLog(it.Event, it.event, log); err != nil { + it.fail = err + return false + } + it.Event.Raw = log + return true + + default: + return false + } + } + // Iterator still in progress, wait for either a data or an error event + select { + case log := <-it.logs: + it.Event = new({{$contract.Type}}{{.Normalized.Name}}) + if err := it.contract.UnpackLog(it.Event, it.event, log); err != nil { + it.fail = err + return false + } + it.Event.Raw = log + return true + + case err := <-it.sub.Err(): + it.done = true + it.fail = err + return it.Next() + } + } + // Error returns any retrieval or parsing error occurred during filtering. + func (it *{{$contract.Type}}{{.Normalized.Name}}Iterator) Error() error { + return it.fail + } + // Close terminates the iteration process, releasing any pending underlying + // resources. + func (it *{{$contract.Type}}{{.Normalized.Name}}Iterator) Close() error { + it.sub.Unsubscribe() + return nil + } + + // {{$contract.Type}}{{.Normalized.Name}} represents a {{.Normalized.Name}} event raised by the {{$contract.Type}} contract. + type {{$contract.Type}}{{.Normalized.Name}} struct { {{range .Normalized.Inputs}} + {{capitalise .Name}} {{if .Indexed}}{{bindtopictype .Type $structs}}{{else}}{{bindtype .Type $structs}}{{end}}; {{end}} + Raw types.Log // Blockchain specific contextual infos + } + + // Filter{{.Normalized.Name}} is a free log retrieval operation binding the contract event 0x{{printf "%x" .Original.ID}}. + // + // Solidity: {{.Original.String}} + func (_{{$contract.Type}} *{{$contract.Type}}Filterer) Filter{{.Normalized.Name}}(opts *bind.FilterOpts{{range .Normalized.Inputs}}{{if .Indexed}}, {{.Name}} []{{bindtype .Type $structs}}{{end}}{{end}}) (*{{$contract.Type}}{{.Normalized.Name}}Iterator, error) { + {{range .Normalized.Inputs}} + {{if .Indexed}}var {{.Name}}Rule []interface{} + for _, {{.Name}}Item := range {{.Name}} { + {{.Name}}Rule = append({{.Name}}Rule, {{.Name}}Item) + }{{end}}{{end}} + + logs, sub, err := _{{$contract.Type}}.contract.FilterLogs(opts, "{{.Original.Name}}"{{range .Normalized.Inputs}}{{if .Indexed}}, {{.Name}}Rule{{end}}{{end}}) + if err != nil { + return nil, err + } + return &{{$contract.Type}}{{.Normalized.Name}}Iterator{contract: _{{$contract.Type}}.contract, event: "{{.Original.Name}}", logs: logs, sub: sub}, nil + } + + // Watch{{.Normalized.Name}} is a free log subscription operation binding the contract event 0x{{printf "%x" .Original.ID}}. + // + // Solidity: {{.Original.String}} + func (_{{$contract.Type}} *{{$contract.Type}}Filterer) Watch{{.Normalized.Name}}(opts *bind.WatchOpts, sink chan<- *{{$contract.Type}}{{.Normalized.Name}}{{range .Normalized.Inputs}}{{if .Indexed}}, {{.Name}} []{{bindtype .Type $structs}}{{end}}{{end}}) (event.Subscription, error) { + {{range .Normalized.Inputs}} + {{if .Indexed}}var {{.Name}}Rule []interface{} + for _, {{.Name}}Item := range {{.Name}} { + {{.Name}}Rule = append({{.Name}}Rule, {{.Name}}Item) + }{{end}}{{end}} + + logs, sub, err := _{{$contract.Type}}.contract.WatchLogs(opts, "{{.Original.Name}}"{{range .Normalized.Inputs}}{{if .Indexed}}, {{.Name}}Rule{{end}}{{end}}) + if err != nil { + return nil, err + } + return event.NewSubscription(func(quit <-chan struct{}) error { + defer sub.Unsubscribe() + for { + select { + case log := <-logs: + // New log arrived, parse the event and forward to the user + event := new({{$contract.Type}}{{.Normalized.Name}}) + if err := _{{$contract.Type}}.contract.UnpackLog(event, "{{.Original.Name}}", log); err != nil { + return err + } + event.Raw = log + + select { + case sink <- event: + case err := <-sub.Err(): + return err + case <-quit: + return nil + } + case err := <-sub.Err(): + return err + case <-quit: + return nil + } + } + }), nil + } + + // Parse{{.Normalized.Name}} is a log parse operation binding the contract event 0x{{printf "%x" .Original.ID}}. + // + // Solidity: {{.Original.String}} + func (_{{$contract.Type}} *{{$contract.Type}}Filterer) Parse{{.Normalized.Name}}(log types.Log) (*{{$contract.Type}}{{.Normalized.Name}}, error) { + event := new({{$contract.Type}}{{.Normalized.Name}}) + if err := _{{$contract.Type}}.contract.UnpackLog(event, "{{.Original.Name}}", log); err != nil { + return nil, err + } + event.Raw = log + return event, nil + } + + {{end}} +{{end}} \ No newline at end of file diff --git a/accounts/abi/bind/template.go b/accounts/abi/bind/template.go index 95dc13cc18..4a0062af0a 100644 --- a/accounts/abi/bind/template.go +++ b/accounts/abi/bind/template.go @@ -16,7 +16,11 @@ package bind -import "github.com/ethereum/go-ethereum/accounts/abi" +import ( + _ "embed" + + "github.com/ethereum/go-ethereum/accounts/abi" +) // tmplData is the data structure required to fill the binding template. type tmplData struct { @@ -80,492 +84,6 @@ var tmplSource = map[Lang]string{ // tmplSourceGo is the Go source template that the generated Go contract binding // is based on. -const tmplSourceGo = ` -// Code generated - DO NOT EDIT. -// This file is a generated binding and any manual changes will be lost. - -package {{.Package}} - -import ( - "math/big" - "strings" - "errors" - - ethereum "github.com/ethereum/go-ethereum" - "github.com/ethereum/go-ethereum/accounts/abi" - "github.com/ethereum/go-ethereum/accounts/abi/bind" - "github.com/ethereum/go-ethereum/common" - "github.com/ethereum/go-ethereum/core/types" - "github.com/ethereum/go-ethereum/event" -) - -// Reference imports to suppress errors if they are not otherwise used. -var ( - _ = errors.New - _ = big.NewInt - _ = strings.NewReader - _ = ethereum.NotFound - _ = bind.Bind - _ = common.Big1 - _ = types.BloomLookup - _ = event.NewSubscription - _ = abi.ConvertType -) - -{{$structs := .Structs}} -{{range $structs}} - // {{.Name}} is an auto generated low-level Go binding around an user-defined struct. - type {{.Name}} struct { - {{range $field := .Fields}} - {{$field.Name}} {{$field.Type}}{{end}} - } -{{end}} - -{{range $contract := .Contracts}} - // {{.Type}}MetaData contains all meta data concerning the {{.Type}} contract. - var {{.Type}}MetaData = &bind.MetaData{ - ABI: "{{.InputABI}}", - {{if $contract.FuncSigs -}} - Sigs: map[string]string{ - {{range $strsig, $binsig := .FuncSigs}}"{{$binsig}}": "{{$strsig}}", - {{end}} - }, - {{end -}} - {{if .InputBin -}} - Bin: "0x{{.InputBin}}", - {{end}} - } - // {{.Type}}ABI is the input ABI used to generate the binding from. - // Deprecated: Use {{.Type}}MetaData.ABI instead. - var {{.Type}}ABI = {{.Type}}MetaData.ABI - - {{if $contract.FuncSigs}} - // Deprecated: Use {{.Type}}MetaData.Sigs instead. - // {{.Type}}FuncSigs maps the 4-byte function signature to its string representation. - var {{.Type}}FuncSigs = {{.Type}}MetaData.Sigs - {{end}} - - {{if .InputBin}} - // {{.Type}}Bin is the compiled bytecode used for deploying new contracts. - // Deprecated: Use {{.Type}}MetaData.Bin instead. - var {{.Type}}Bin = {{.Type}}MetaData.Bin - - // Deploy{{.Type}} deploys a new Ethereum contract, binding an instance of {{.Type}} to it. - func Deploy{{.Type}}(auth *bind.TransactOpts, backend bind.ContractBackend {{range .Constructor.Inputs}}, {{.Name}} {{bindtype .Type $structs}}{{end}}) (common.Address, *types.Transaction, *{{.Type}}, error) { - parsed, err := {{.Type}}MetaData.GetAbi() - if err != nil { - return common.Address{}, nil, nil, err - } - if parsed == nil { - return common.Address{}, nil, nil, errors.New("GetABI returned nil") - } - {{range $pattern, $name := .Libraries}} - {{decapitalise $name}}Addr, _, _, _ := Deploy{{capitalise $name}}(auth, backend) - {{$contract.Type}}Bin = strings.ReplaceAll({{$contract.Type}}Bin, "__${{$pattern}}$__", {{decapitalise $name}}Addr.String()[2:]) - {{end}} - address, tx, contract, err := bind.DeployContract(auth, *parsed, common.FromHex({{.Type}}Bin), backend {{range .Constructor.Inputs}}, {{.Name}}{{end}}) - if err != nil { - return common.Address{}, nil, nil, err - } - return address, tx, &{{.Type}}{ {{.Type}}Caller: {{.Type}}Caller{contract: contract}, {{.Type}}Transactor: {{.Type}}Transactor{contract: contract}, {{.Type}}Filterer: {{.Type}}Filterer{contract: contract} }, nil - } - {{end}} - - // {{.Type}} is an auto generated Go binding around an Ethereum contract. - type {{.Type}} struct { - {{.Type}}Caller // Read-only binding to the contract - {{.Type}}Transactor // Write-only binding to the contract - {{.Type}}Filterer // Log filterer for contract events - } - - // {{.Type}}Caller is an auto generated read-only Go binding around an Ethereum contract. - type {{.Type}}Caller struct { - contract *bind.BoundContract // Generic contract wrapper for the low level calls - } - - // {{.Type}}Transactor is an auto generated write-only Go binding around an Ethereum contract. - type {{.Type}}Transactor struct { - contract *bind.BoundContract // Generic contract wrapper for the low level calls - } - - // {{.Type}}Filterer is an auto generated log filtering Go binding around an Ethereum contract events. - type {{.Type}}Filterer struct { - contract *bind.BoundContract // Generic contract wrapper for the low level calls - } - - // {{.Type}}Session is an auto generated Go binding around an Ethereum contract, - // with pre-set call and transact options. - type {{.Type}}Session struct { - Contract *{{.Type}} // Generic contract binding to set the session for - CallOpts bind.CallOpts // Call options to use throughout this session - TransactOpts bind.TransactOpts // Transaction auth options to use throughout this session - } - - // {{.Type}}CallerSession is an auto generated read-only Go binding around an Ethereum contract, - // with pre-set call options. - type {{.Type}}CallerSession struct { - Contract *{{.Type}}Caller // Generic contract caller binding to set the session for - CallOpts bind.CallOpts // Call options to use throughout this session - } - - // {{.Type}}TransactorSession is an auto generated write-only Go binding around an Ethereum contract, - // with pre-set transact options. - type {{.Type}}TransactorSession struct { - Contract *{{.Type}}Transactor // Generic contract transactor binding to set the session for - TransactOpts bind.TransactOpts // Transaction auth options to use throughout this session - } - - // {{.Type}}Raw is an auto generated low-level Go binding around an Ethereum contract. - type {{.Type}}Raw struct { - Contract *{{.Type}} // Generic contract binding to access the raw methods on - } - - // {{.Type}}CallerRaw is an auto generated low-level read-only Go binding around an Ethereum contract. - type {{.Type}}CallerRaw struct { - Contract *{{.Type}}Caller // Generic read-only contract binding to access the raw methods on - } - - // {{.Type}}TransactorRaw is an auto generated low-level write-only Go binding around an Ethereum contract. - type {{.Type}}TransactorRaw struct { - Contract *{{.Type}}Transactor // Generic write-only contract binding to access the raw methods on - } - - // New{{.Type}} creates a new instance of {{.Type}}, bound to a specific deployed contract. - func New{{.Type}}(address common.Address, backend bind.ContractBackend) (*{{.Type}}, error) { - contract, err := bind{{.Type}}(address, backend, backend, backend) - if err != nil { - return nil, err - } - return &{{.Type}}{ {{.Type}}Caller: {{.Type}}Caller{contract: contract}, {{.Type}}Transactor: {{.Type}}Transactor{contract: contract}, {{.Type}}Filterer: {{.Type}}Filterer{contract: contract} }, nil - } - - // New{{.Type}}Caller creates a new read-only instance of {{.Type}}, bound to a specific deployed contract. - func New{{.Type}}Caller(address common.Address, caller bind.ContractCaller) (*{{.Type}}Caller, error) { - contract, err := bind{{.Type}}(address, caller, nil, nil) - if err != nil { - return nil, err - } - return &{{.Type}}Caller{contract: contract}, nil - } - - // New{{.Type}}Transactor creates a new write-only instance of {{.Type}}, bound to a specific deployed contract. - func New{{.Type}}Transactor(address common.Address, transactor bind.ContractTransactor) (*{{.Type}}Transactor, error) { - contract, err := bind{{.Type}}(address, nil, transactor, nil) - if err != nil { - return nil, err - } - return &{{.Type}}Transactor{contract: contract}, nil - } - - // New{{.Type}}Filterer creates a new log filterer instance of {{.Type}}, bound to a specific deployed contract. - func New{{.Type}}Filterer(address common.Address, filterer bind.ContractFilterer) (*{{.Type}}Filterer, error) { - contract, err := bind{{.Type}}(address, nil, nil, filterer) - if err != nil { - return nil, err - } - return &{{.Type}}Filterer{contract: contract}, nil - } - - // bind{{.Type}} binds a generic wrapper to an already deployed contract. - func bind{{.Type}}(address common.Address, caller bind.ContractCaller, transactor bind.ContractTransactor, filterer bind.ContractFilterer) (*bind.BoundContract, error) { - parsed, err := {{.Type}}MetaData.GetAbi() - if err != nil { - return nil, err - } - return bind.NewBoundContract(address, *parsed, caller, transactor, filterer), nil - } - - // Call invokes the (constant) contract method with params as input values and - // sets the output to result. The result type might be a single field for simple - // returns, a slice of interfaces for anonymous returns and a struct for named - // returns. - func (_{{$contract.Type}} *{{$contract.Type}}Raw) Call(opts *bind.CallOpts, result *[]interface{}, method string, params ...interface{}) error { - return _{{$contract.Type}}.Contract.{{$contract.Type}}Caller.contract.Call(opts, result, method, params...) - } - - // Transfer initiates a plain transaction to move funds to the contract, calling - // its default method if one is available. - func (_{{$contract.Type}} *{{$contract.Type}}Raw) Transfer(opts *bind.TransactOpts) (*types.Transaction, error) { - return _{{$contract.Type}}.Contract.{{$contract.Type}}Transactor.contract.Transfer(opts) - } - - // Transact invokes the (paid) contract method with params as input values. - func (_{{$contract.Type}} *{{$contract.Type}}Raw) Transact(opts *bind.TransactOpts, method string, params ...interface{}) (*types.Transaction, error) { - return _{{$contract.Type}}.Contract.{{$contract.Type}}Transactor.contract.Transact(opts, method, params...) - } - - // Call invokes the (constant) contract method with params as input values and - // sets the output to result. The result type might be a single field for simple - // returns, a slice of interfaces for anonymous returns and a struct for named - // returns. - func (_{{$contract.Type}} *{{$contract.Type}}CallerRaw) Call(opts *bind.CallOpts, result *[]interface{}, method string, params ...interface{}) error { - return _{{$contract.Type}}.Contract.contract.Call(opts, result, method, params...) - } - - // Transfer initiates a plain transaction to move funds to the contract, calling - // its default method if one is available. - func (_{{$contract.Type}} *{{$contract.Type}}TransactorRaw) Transfer(opts *bind.TransactOpts) (*types.Transaction, error) { - return _{{$contract.Type}}.Contract.contract.Transfer(opts) - } - - // Transact invokes the (paid) contract method with params as input values. - func (_{{$contract.Type}} *{{$contract.Type}}TransactorRaw) Transact(opts *bind.TransactOpts, method string, params ...interface{}) (*types.Transaction, error) { - return _{{$contract.Type}}.Contract.contract.Transact(opts, method, params...) - } - - {{range .Calls}} - // {{.Normalized.Name}} is a free data retrieval call binding the contract method 0x{{printf "%x" .Original.ID}}. - // - // Solidity: {{.Original.String}} - func (_{{$contract.Type}} *{{$contract.Type}}Caller) {{.Normalized.Name}}(opts *bind.CallOpts {{range .Normalized.Inputs}}, {{.Name}} {{bindtype .Type $structs}} {{end}}) ({{if .Structured}}struct{ {{range .Normalized.Outputs}}{{.Name}} {{bindtype .Type $structs}};{{end}} },{{else}}{{range .Normalized.Outputs}}{{bindtype .Type $structs}},{{end}}{{end}} error) { - var out []interface{} - err := _{{$contract.Type}}.contract.Call(opts, &out, "{{.Original.Name}}" {{range .Normalized.Inputs}}, {{.Name}}{{end}}) - {{if .Structured}} - outstruct := new(struct{ {{range .Normalized.Outputs}} {{.Name}} {{bindtype .Type $structs}}; {{end}} }) - if err != nil { - return *outstruct, err - } - {{range $i, $t := .Normalized.Outputs}} - outstruct.{{.Name}} = *abi.ConvertType(out[{{$i}}], new({{bindtype .Type $structs}})).(*{{bindtype .Type $structs}}){{end}} - - return *outstruct, err - {{else}} - if err != nil { - return {{range $i, $_ := .Normalized.Outputs}}*new({{bindtype .Type $structs}}), {{end}} err - } - {{range $i, $t := .Normalized.Outputs}} - out{{$i}} := *abi.ConvertType(out[{{$i}}], new({{bindtype .Type $structs}})).(*{{bindtype .Type $structs}}){{end}} - - return {{range $i, $t := .Normalized.Outputs}}out{{$i}}, {{end}} err - {{end}} - } - - // {{.Normalized.Name}} is a free data retrieval call binding the contract method 0x{{printf "%x" .Original.ID}}. - // - // Solidity: {{.Original.String}} - func (_{{$contract.Type}} *{{$contract.Type}}Session) {{.Normalized.Name}}({{range $i, $_ := .Normalized.Inputs}}{{if ne $i 0}},{{end}} {{.Name}} {{bindtype .Type $structs}} {{end}}) ({{if .Structured}}struct{ {{range .Normalized.Outputs}}{{.Name}} {{bindtype .Type $structs}};{{end}} }, {{else}} {{range .Normalized.Outputs}}{{bindtype .Type $structs}},{{end}} {{end}} error) { - return _{{$contract.Type}}.Contract.{{.Normalized.Name}}(&_{{$contract.Type}}.CallOpts {{range .Normalized.Inputs}}, {{.Name}}{{end}}) - } - - // {{.Normalized.Name}} is a free data retrieval call binding the contract method 0x{{printf "%x" .Original.ID}}. - // - // Solidity: {{.Original.String}} - func (_{{$contract.Type}} *{{$contract.Type}}CallerSession) {{.Normalized.Name}}({{range $i, $_ := .Normalized.Inputs}}{{if ne $i 0}},{{end}} {{.Name}} {{bindtype .Type $structs}} {{end}}) ({{if .Structured}}struct{ {{range .Normalized.Outputs}}{{.Name}} {{bindtype .Type $structs}};{{end}} }, {{else}} {{range .Normalized.Outputs}}{{bindtype .Type $structs}},{{end}} {{end}} error) { - return _{{$contract.Type}}.Contract.{{.Normalized.Name}}(&_{{$contract.Type}}.CallOpts {{range .Normalized.Inputs}}, {{.Name}}{{end}}) - } - {{end}} - - {{range .Transacts}} - // {{.Normalized.Name}} is a paid mutator transaction binding the contract method 0x{{printf "%x" .Original.ID}}. - // - // Solidity: {{.Original.String}} - func (_{{$contract.Type}} *{{$contract.Type}}Transactor) {{.Normalized.Name}}(opts *bind.TransactOpts {{range .Normalized.Inputs}}, {{.Name}} {{bindtype .Type $structs}} {{end}}) (*types.Transaction, error) { - return _{{$contract.Type}}.contract.Transact(opts, "{{.Original.Name}}" {{range .Normalized.Inputs}}, {{.Name}}{{end}}) - } - - // {{.Normalized.Name}} is a paid mutator transaction binding the contract method 0x{{printf "%x" .Original.ID}}. - // - // Solidity: {{.Original.String}} - func (_{{$contract.Type}} *{{$contract.Type}}Session) {{.Normalized.Name}}({{range $i, $_ := .Normalized.Inputs}}{{if ne $i 0}},{{end}} {{.Name}} {{bindtype .Type $structs}} {{end}}) (*types.Transaction, error) { - return _{{$contract.Type}}.Contract.{{.Normalized.Name}}(&_{{$contract.Type}}.TransactOpts {{range $i, $_ := .Normalized.Inputs}}, {{.Name}}{{end}}) - } - - // {{.Normalized.Name}} is a paid mutator transaction binding the contract method 0x{{printf "%x" .Original.ID}}. - // - // Solidity: {{.Original.String}} - func (_{{$contract.Type}} *{{$contract.Type}}TransactorSession) {{.Normalized.Name}}({{range $i, $_ := .Normalized.Inputs}}{{if ne $i 0}},{{end}} {{.Name}} {{bindtype .Type $structs}} {{end}}) (*types.Transaction, error) { - return _{{$contract.Type}}.Contract.{{.Normalized.Name}}(&_{{$contract.Type}}.TransactOpts {{range $i, $_ := .Normalized.Inputs}}, {{.Name}}{{end}}) - } - {{end}} - - {{if .Fallback}} - // Fallback is a paid mutator transaction binding the contract fallback function. - // - // Solidity: {{.Fallback.Original.String}} - func (_{{$contract.Type}} *{{$contract.Type}}Transactor) Fallback(opts *bind.TransactOpts, calldata []byte) (*types.Transaction, error) { - return _{{$contract.Type}}.contract.RawTransact(opts, calldata) - } - - // Fallback is a paid mutator transaction binding the contract fallback function. - // - // Solidity: {{.Fallback.Original.String}} - func (_{{$contract.Type}} *{{$contract.Type}}Session) Fallback(calldata []byte) (*types.Transaction, error) { - return _{{$contract.Type}}.Contract.Fallback(&_{{$contract.Type}}.TransactOpts, calldata) - } - - // Fallback is a paid mutator transaction binding the contract fallback function. - // - // Solidity: {{.Fallback.Original.String}} - func (_{{$contract.Type}} *{{$contract.Type}}TransactorSession) Fallback(calldata []byte) (*types.Transaction, error) { - return _{{$contract.Type}}.Contract.Fallback(&_{{$contract.Type}}.TransactOpts, calldata) - } - {{end}} - - {{if .Receive}} - // Receive is a paid mutator transaction binding the contract receive function. - // - // Solidity: {{.Receive.Original.String}} - func (_{{$contract.Type}} *{{$contract.Type}}Transactor) Receive(opts *bind.TransactOpts) (*types.Transaction, error) { - return _{{$contract.Type}}.contract.RawTransact(opts, nil) // calldata is disallowed for receive function - } - - // Receive is a paid mutator transaction binding the contract receive function. - // - // Solidity: {{.Receive.Original.String}} - func (_{{$contract.Type}} *{{$contract.Type}}Session) Receive() (*types.Transaction, error) { - return _{{$contract.Type}}.Contract.Receive(&_{{$contract.Type}}.TransactOpts) - } - - // Receive is a paid mutator transaction binding the contract receive function. - // - // Solidity: {{.Receive.Original.String}} - func (_{{$contract.Type}} *{{$contract.Type}}TransactorSession) Receive() (*types.Transaction, error) { - return _{{$contract.Type}}.Contract.Receive(&_{{$contract.Type}}.TransactOpts) - } - {{end}} - - {{range .Events}} - // {{$contract.Type}}{{.Normalized.Name}}Iterator is returned from Filter{{.Normalized.Name}} and is used to iterate over the raw logs and unpacked data for {{.Normalized.Name}} events raised by the {{$contract.Type}} contract. - type {{$contract.Type}}{{.Normalized.Name}}Iterator struct { - Event *{{$contract.Type}}{{.Normalized.Name}} // Event containing the contract specifics and raw log - - contract *bind.BoundContract // Generic contract to use for unpacking event data - event string // Event name to use for unpacking event data - - logs chan types.Log // Log channel receiving the found contract events - sub ethereum.Subscription // Subscription for errors, completion and termination - done bool // Whether the subscription completed delivering logs - fail error // Occurred error to stop iteration - } - // Next advances the iterator to the subsequent event, returning whether there - // are any more events found. In case of a retrieval or parsing error, false is - // returned and Error() can be queried for the exact failure. - func (it *{{$contract.Type}}{{.Normalized.Name}}Iterator) Next() bool { - // If the iterator failed, stop iterating - if (it.fail != nil) { - return false - } - // If the iterator completed, deliver directly whatever's available - if (it.done) { - select { - case log := <-it.logs: - it.Event = new({{$contract.Type}}{{.Normalized.Name}}) - if err := it.contract.UnpackLog(it.Event, it.event, log); err != nil { - it.fail = err - return false - } - it.Event.Raw = log - return true - - default: - return false - } - } - // Iterator still in progress, wait for either a data or an error event - select { - case log := <-it.logs: - it.Event = new({{$contract.Type}}{{.Normalized.Name}}) - if err := it.contract.UnpackLog(it.Event, it.event, log); err != nil { - it.fail = err - return false - } - it.Event.Raw = log - return true - - case err := <-it.sub.Err(): - it.done = true - it.fail = err - return it.Next() - } - } - // Error returns any retrieval or parsing error occurred during filtering. - func (it *{{$contract.Type}}{{.Normalized.Name}}Iterator) Error() error { - return it.fail - } - // Close terminates the iteration process, releasing any pending underlying - // resources. - func (it *{{$contract.Type}}{{.Normalized.Name}}Iterator) Close() error { - it.sub.Unsubscribe() - return nil - } - - // {{$contract.Type}}{{.Normalized.Name}} represents a {{.Normalized.Name}} event raised by the {{$contract.Type}} contract. - type {{$contract.Type}}{{.Normalized.Name}} struct { {{range .Normalized.Inputs}} - {{capitalise .Name}} {{if .Indexed}}{{bindtopictype .Type $structs}}{{else}}{{bindtype .Type $structs}}{{end}}; {{end}} - Raw types.Log // Blockchain specific contextual infos - } - - // Filter{{.Normalized.Name}} is a free log retrieval operation binding the contract event 0x{{printf "%x" .Original.ID}}. - // - // Solidity: {{.Original.String}} - func (_{{$contract.Type}} *{{$contract.Type}}Filterer) Filter{{.Normalized.Name}}(opts *bind.FilterOpts{{range .Normalized.Inputs}}{{if .Indexed}}, {{.Name}} []{{bindtype .Type $structs}}{{end}}{{end}}) (*{{$contract.Type}}{{.Normalized.Name}}Iterator, error) { - {{range .Normalized.Inputs}} - {{if .Indexed}}var {{.Name}}Rule []interface{} - for _, {{.Name}}Item := range {{.Name}} { - {{.Name}}Rule = append({{.Name}}Rule, {{.Name}}Item) - }{{end}}{{end}} - - logs, sub, err := _{{$contract.Type}}.contract.FilterLogs(opts, "{{.Original.Name}}"{{range .Normalized.Inputs}}{{if .Indexed}}, {{.Name}}Rule{{end}}{{end}}) - if err != nil { - return nil, err - } - return &{{$contract.Type}}{{.Normalized.Name}}Iterator{contract: _{{$contract.Type}}.contract, event: "{{.Original.Name}}", logs: logs, sub: sub}, nil - } - - // Watch{{.Normalized.Name}} is a free log subscription operation binding the contract event 0x{{printf "%x" .Original.ID}}. - // - // Solidity: {{.Original.String}} - func (_{{$contract.Type}} *{{$contract.Type}}Filterer) Watch{{.Normalized.Name}}(opts *bind.WatchOpts, sink chan<- *{{$contract.Type}}{{.Normalized.Name}}{{range .Normalized.Inputs}}{{if .Indexed}}, {{.Name}} []{{bindtype .Type $structs}}{{end}}{{end}}) (event.Subscription, error) { - {{range .Normalized.Inputs}} - {{if .Indexed}}var {{.Name}}Rule []interface{} - for _, {{.Name}}Item := range {{.Name}} { - {{.Name}}Rule = append({{.Name}}Rule, {{.Name}}Item) - }{{end}}{{end}} - - logs, sub, err := _{{$contract.Type}}.contract.WatchLogs(opts, "{{.Original.Name}}"{{range .Normalized.Inputs}}{{if .Indexed}}, {{.Name}}Rule{{end}}{{end}}) - if err != nil { - return nil, err - } - return event.NewSubscription(func(quit <-chan struct{}) error { - defer sub.Unsubscribe() - for { - select { - case log := <-logs: - // New log arrived, parse the event and forward to the user - event := new({{$contract.Type}}{{.Normalized.Name}}) - if err := _{{$contract.Type}}.contract.UnpackLog(event, "{{.Original.Name}}", log); err != nil { - return err - } - event.Raw = log - - select { - case sink <- event: - case err := <-sub.Err(): - return err - case <-quit: - return nil - } - case err := <-sub.Err(): - return err - case <-quit: - return nil - } - } - }), nil - } - - // Parse{{.Normalized.Name}} is a log parse operation binding the contract event 0x{{printf "%x" .Original.ID}}. - // - // Solidity: {{.Original.String}} - func (_{{$contract.Type}} *{{$contract.Type}}Filterer) Parse{{.Normalized.Name}}(log types.Log) (*{{$contract.Type}}{{.Normalized.Name}}, error) { - event := new({{$contract.Type}}{{.Normalized.Name}}) - if err := _{{$contract.Type}}.contract.UnpackLog(event, "{{.Original.Name}}", log); err != nil { - return nil, err - } - event.Raw = log - return event, nil - } - - {{end}} -{{end}} -` +// +//go:embed source.go.tpl +var tmplSourceGo string