// 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 "github.com/ava-labs/coreth/accounts/abi" // tmplData is the data structure required to fill the binding template. type tmplData struct { Package string // Name of the package to place the generated file in Contracts map[string]*tmplContract // List of contracts to generate into this file Libraries map[string]string // Map the bytecode's link pattern to the library name } // tmplContract contains the data needed to generate an individual contract binding. type tmplContract struct { Type string // Type name of the main contract binding InputABI string // JSON ABI used as the input to generate the binding from InputBin string // Optional EVM bytecode used to denetare deploy code from FuncSigs map[string]string // Optional map: string signature -> 4-byte signature Constructor abi.Method // Contract constructor for deploy parametrization Calls map[string]*tmplMethod // Contract calls that only read state data Transacts map[string]*tmplMethod // Contract calls that write state data Events map[string]*tmplEvent // Contract events accessors Libraries map[string]string // Same as tmplData, but filtered to only keep what the contract needs Structs map[string]*tmplStruct // Contract struct type definitions Library bool } // tmplMethod is a wrapper around an abi.Method that contains a few preprocessed // and cached data fields. type tmplMethod struct { Original abi.Method // Original method as parsed by the abi package Normalized abi.Method // Normalized version of the parsed method (capitalized names, non-anonymous args/returns) Structured bool // Whether the returns should be accumulated into a struct } // tmplEvent is a wrapper around an a type tmplEvent struct { Original abi.Event // Original event as parsed by the abi package Normalized abi.Event // Normalized version of the parsed fields } // tmplField is a wrapper around a struct field with binding language // struct type definition and relative filed name. type tmplField struct { Type string // Field type representation depends on target binding language Name string // Field name converted from the raw user-defined field name SolKind abi.Type // Raw abi type information } // tmplStruct is a wrapper around an abi.tuple contains a auto-generated // struct name. type tmplStruct struct { Name string // Auto-generated struct name(We can't obtain the raw struct name through abi) Fields []*tmplField // Struct fields definition depends on the binding language. } // tmplSource is language to template mapping containing all the supported // programming languages the package can generate to. var tmplSource = map[Lang]string{ LangGo: tmplSourceGo, LangJava: tmplSourceJava, } // tmplSourceGo is the Go source template use to generate the contract binding // 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" ethereum "github.com/ava-labs/go-ethereum" "github.com/ava-labs/coreth/accounts/abi" "github.com/ava-labs/coreth/accounts/abi/bind" "github.com/ava-labs/go-ethereum/common" "github.com/ava-labs/coreth/core/types" "github.com/ava-labs/go-ethereum/event" ) // Reference imports to suppress errors if they are not otherwise used. var ( _ = big.NewInt _ = strings.NewReader _ = ethereum.NotFound _ = abi.U256 _ = bind.Bind _ = common.Big1 _ = types.BloomLookup _ = event.NewSubscription ) {{range $contract := .Contracts}} {{$structs := $contract.Structs}} // {{.Type}}ABI is the input ABI used to generate the binding from. const {{.Type}}ABI = "{{.InputABI}}" {{if $contract.FuncSigs}} // {{.Type}}FuncSigs maps the 4-byte function signature to its string representation. var {{.Type}}FuncSigs = map[string]string{ {{range $strsig, $binsig := .FuncSigs}}"{{$binsig}}": "{{$strsig}}", {{end}} } {{end}} {{if .InputBin}} // {{.Type}}Bin is the compiled bytecode used for deploying new contracts. var {{.Type}}Bin = "0x{{.InputBin}}" // 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 := abi.JSON(strings.NewReader({{.Type}}ABI)) if err != nil { return common.Address{}, nil, nil, err } {{range $pattern, $name := .Libraries}} {{decapitalise $name}}Addr, _, _, _ := Deploy{{capitalise $name}}(auth, backend) {{$contract.Type}}Bin = strings.Replace({{$contract.Type}}Bin, "__${{$pattern}}$__", {{decapitalise $name}}Addr.String()[2:], -1) {{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 := abi.JSON(strings.NewReader({{.Type}}ABI)) 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 .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 .Calls}} // {{.Normalized.Name}} is a free data retrieval call binding the contract method 0x{{printf "%x" .Original.ID}}. // // Solidity: {{formatmethod .Original $structs}} func (_{{$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) { {{if .Structured}}ret := new(struct{ {{range .Normalized.Outputs}}{{.Name}} {{bindtype .Type $structs}} {{end}} }){{else}}var ( {{range $i, $_ := .Normalized.Outputs}}ret{{$i}} = new({{bindtype .Type $structs}}) {{end}} ){{end}} out := {{if .Structured}}ret{{else}}{{if eq (len .Normalized.Outputs) 1}}ret0{{else}}&[]interface{}{ {{range $i, $_ := .Normalized.Outputs}}ret{{$i}}, {{end}} }{{end}}{{end}} err := _{{$contract.Type}}.contract.Call(opts, out, "{{.Original.Name}}" {{range .Normalized.Inputs}}, {{.Name}}{{end}}) return {{if .Structured}}*ret,{{else}}{{range $i, $_ := .Normalized.Outputs}}*ret{{$i}},{{end}}{{end}} err } // {{.Normalized.Name}} is a free data retrieval call binding the contract method 0x{{printf "%x" .Original.ID}}. // // Solidity: {{formatmethod .Original $structs}} func (_{{$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: {{formatmethod .Original $structs}} func (_{{$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: {{formatmethod .Original $structs}} func (_{{$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: {{formatmethod .Original $structs}} func (_{{$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: {{formatmethod .Original $structs}} func (_{{$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, $_ := .Normalized.Inputs}}, {{.Name}}{{end}}) } {{end}} {{range .Events}} // {{$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: {{formatevent .Original $structs}} func (_{{$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: {{formatevent .Original $structs}} func (_{{$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 } return event, nil } {{end}} {{end}} ` // tmplSourceJava is the Java source template use to generate the contract binding // based on. const tmplSourceJava = ` // This file is an automatically generated Java binding. Do not modify as any // change will likely be lost upon the next re-generation! package {{.Package}}; import org.ethereum.geth.*; import java.util.*; {{range $contract := .Contracts}} {{$structs := $contract.Structs}} {{if not .Library}}public {{end}}class {{.Type}} { // ABI is the input ABI used to generate the binding from. public final static String ABI = "{{.InputABI}}"; {{if $contract.FuncSigs}} // {{.Type}}FuncSigs maps the 4-byte function signature to its string representation. public final static Map<String, String> {{.Type}}FuncSigs; static { Hashtable<String, String> temp = new Hashtable<String, String>(); {{range $strsig, $binsig := .FuncSigs}}temp.put("{{$binsig}}", "{{$strsig}}"); {{end}} {{.Type}}FuncSigs = Collections.unmodifiableMap(temp); } {{end}} {{if .InputBin}} // BYTECODE is the compiled bytecode used for deploying new contracts. public final static String BYTECODE = "0x{{.InputBin}}"; // deploy deploys a new Ethereum contract, binding an instance of {{.Type}} to it. public static {{.Type}} deploy(TransactOpts auth, EthereumClient client{{range .Constructor.Inputs}}, {{bindtype .Type $structs}} {{.Name}}{{end}}) throws Exception { Interfaces args = Geth.newInterfaces({{(len .Constructor.Inputs)}}); String bytecode = BYTECODE; {{if .Libraries}} // "link" contract to dependent libraries by deploying them first. {{range $pattern, $name := .Libraries}} {{capitalise $name}} {{decapitalise $name}}Inst = {{capitalise $name}}.deploy(auth, client); bytecode = bytecode.replace("__${{$pattern}}$__", {{decapitalise $name}}Inst.Address.getHex().substring(2)); {{end}} {{end}} {{range $index, $element := .Constructor.Inputs}}Interface arg{{$index}} = Geth.newInterface();arg{{$index}}.set{{namedtype (bindtype .Type $structs) .Type}}({{.Name}});args.set({{$index}},arg{{$index}}); {{end}} return new {{.Type}}(Geth.deployContract(auth, ABI, Geth.decodeFromHex(bytecode), client, args)); } // Internal constructor used by contract deployment. private {{.Type}}(BoundContract deployment) { this.Address = deployment.getAddress(); this.Deployer = deployment.getDeployer(); this.Contract = deployment; } {{end}} // Ethereum address where this contract is located at. public final Address Address; // Ethereum transaction in which this contract was deployed (if known!). public final Transaction Deployer; // Contract instance bound to a blockchain address. private final BoundContract Contract; // Creates a new instance of {{.Type}}, bound to a specific deployed contract. public {{.Type}}(Address address, EthereumClient client) throws Exception { this(Geth.bindContract(address, ABI, client)); } {{range .Calls}} {{if gt (len .Normalized.Outputs) 1}} // {{capitalise .Normalized.Name}}Results is the output of a call to {{.Normalized.Name}}. public class {{capitalise .Normalized.Name}}Results { {{range $index, $item := .Normalized.Outputs}}public {{bindtype .Type $structs}} {{if ne .Name ""}}{{.Name}}{{else}}Return{{$index}}{{end}}; {{end}} } {{end}} // {{.Normalized.Name}} is a free data retrieval call binding the contract method 0x{{printf "%x" .Original.ID}}. // // Solidity: {{.Original.String}} public {{if gt (len .Normalized.Outputs) 1}}{{capitalise .Normalized.Name}}Results{{else}}{{range .Normalized.Outputs}}{{bindtype .Type $structs}}{{end}}{{end}} {{.Normalized.Name}}(CallOpts opts{{range .Normalized.Inputs}}, {{bindtype .Type $structs}} {{.Name}}{{end}}) throws Exception { Interfaces args = Geth.newInterfaces({{(len .Normalized.Inputs)}}); {{range $index, $item := .Normalized.Inputs}}Interface arg{{$index}} = Geth.newInterface();arg{{$index}}.set{{namedtype (bindtype .Type $structs) .Type}}({{.Name}});args.set({{$index}},arg{{$index}}); {{end}} Interfaces results = Geth.newInterfaces({{(len .Normalized.Outputs)}}); {{range $index, $item := .Normalized.Outputs}}Interface result{{$index}} = Geth.newInterface(); result{{$index}}.setDefault{{namedtype (bindtype .Type $structs) .Type}}(); results.set({{$index}}, result{{$index}}); {{end}} if (opts == null) { opts = Geth.newCallOpts(); } this.Contract.call(opts, results, "{{.Original.Name}}", args); {{if gt (len .Normalized.Outputs) 1}} {{capitalise .Normalized.Name}}Results result = new {{capitalise .Normalized.Name}}Results(); {{range $index, $item := .Normalized.Outputs}}result.{{if ne .Name ""}}{{.Name}}{{else}}Return{{$index}}{{end}} = results.get({{$index}}).get{{namedtype (bindtype .Type $structs) .Type}}(); {{end}} return result; {{else}}{{range .Normalized.Outputs}}return results.get(0).get{{namedtype (bindtype .Type $structs) .Type}}();{{end}} {{end}} } {{end}} {{range .Transacts}} // {{.Normalized.Name}} is a paid mutator transaction binding the contract method 0x{{printf "%x" .Original.ID}}. // // Solidity: {{.Original.String}} public Transaction {{.Normalized.Name}}(TransactOpts opts{{range .Normalized.Inputs}}, {{bindtype .Type $structs}} {{.Name}}{{end}}) throws Exception { Interfaces args = Geth.newInterfaces({{(len .Normalized.Inputs)}}); {{range $index, $item := .Normalized.Inputs}}Interface arg{{$index}} = Geth.newInterface();arg{{$index}}.set{{namedtype (bindtype .Type $structs) .Type}}({{.Name}});args.set({{$index}},arg{{$index}}); {{end}} return this.Contract.transact(opts, "{{.Original.Name}}" , args); } {{end}} } {{end}} `