710 lines
32 KiB
Go
710 lines
32 KiB
Go
// Copyright 2016 The go-ethereum Authors
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// This file is part of the go-ethereum library.
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//
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// The go-ethereum library is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// The go-ethereum library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
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package bind
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import "github.com/ethereum/go-ethereum/accounts/abi"
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// tmplData is the data structure required to fill the binding template.
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type tmplData struct {
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Package string // Name of the package to place the generated file in
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Contracts map[string]*tmplContract // List of contracts to generate into this file
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Libraries map[string]string // Map the bytecode's link pattern to the library name
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Structs map[string]*tmplStruct // Contract struct type definitions
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}
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// tmplContract contains the data needed to generate an individual contract binding.
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type tmplContract struct {
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Type string // Type name of the main contract binding
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InputABI string // JSON ABI used as the input to generate the binding from
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InputBin string // Optional EVM bytecode used to generate deploy code from
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FuncSigs map[string]string // Optional map: string signature -> 4-byte signature
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Constructor abi.Method // Contract constructor for deploy parametrization
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Calls map[string]*tmplMethod // Contract calls that only read state data
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Transacts map[string]*tmplMethod // Contract calls that write state data
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Fallback *tmplMethod // Additional special fallback function
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Receive *tmplMethod // Additional special receive function
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Events map[string]*tmplEvent // Contract events accessors
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Libraries map[string]string // Same as tmplData, but filtered to only keep what the contract needs
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Library bool // Indicator whether the contract is a library
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}
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// tmplMethod is a wrapper around an abi.Method that contains a few preprocessed
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// and cached data fields.
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type tmplMethod struct {
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Original abi.Method // Original method as parsed by the abi package
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Normalized abi.Method // Normalized version of the parsed method (capitalized names, non-anonymous args/returns)
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Structured bool // Whether the returns should be accumulated into a struct
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}
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// tmplEvent is a wrapper around an abi.Event that contains a few preprocessed
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// and cached data fields.
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type tmplEvent struct {
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Original abi.Event // Original event as parsed by the abi package
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Normalized abi.Event // Normalized version of the parsed fields
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}
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// tmplField is a wrapper around a struct field with binding language
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// struct type definition and relative filed name.
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type tmplField struct {
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Type string // Field type representation depends on target binding language
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Name string // Field name converted from the raw user-defined field name
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SolKind abi.Type // Raw abi type information
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}
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// tmplStruct is a wrapper around an abi.tuple and contains an auto-generated
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// struct name.
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type tmplStruct struct {
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Name string // Auto-generated struct name(before solidity v0.5.11) or raw name.
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Fields []*tmplField // Struct fields definition depends on the binding language.
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}
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// tmplSource is language to template mapping containing all the supported
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// programming languages the package can generate to.
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var tmplSource = map[Lang]string{
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LangGo: tmplSourceGo,
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LangJava: tmplSourceJava,
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}
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// tmplSourceGo is the Go source template that the generated Go contract binding
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// is based on.
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const tmplSourceGo = `
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// Code generated - DO NOT EDIT.
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// This file is a generated binding and any manual changes will be lost.
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package {{.Package}}
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import (
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"math/big"
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"strings"
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"errors"
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ethereum "github.com/ethereum/go-ethereum"
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"github.com/ethereum/go-ethereum/accounts/abi"
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"github.com/ethereum/go-ethereum/accounts/abi/bind"
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"github.com/ethereum/go-ethereum/common"
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"github.com/ethereum/go-ethereum/core/types"
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"github.com/ethereum/go-ethereum/event"
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)
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// Reference imports to suppress errors if they are not otherwise used.
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var (
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_ = errors.New
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_ = big.NewInt
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_ = strings.NewReader
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_ = ethereum.NotFound
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_ = bind.Bind
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_ = common.Big1
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_ = types.BloomLookup
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_ = event.NewSubscription
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_ = abi.ConvertType
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)
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{{$structs := .Structs}}
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{{range $structs}}
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// {{.Name}} is an auto generated low-level Go binding around an user-defined struct.
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type {{.Name}} struct {
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{{range $field := .Fields}}
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{{$field.Name}} {{$field.Type}}{{end}}
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}
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{{end}}
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{{range $contract := .Contracts}}
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// {{.Type}}MetaData contains all meta data concerning the {{.Type}} contract.
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var {{.Type}}MetaData = &bind.MetaData{
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ABI: "{{.InputABI}}",
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{{if $contract.FuncSigs -}}
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Sigs: map[string]string{
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{{range $strsig, $binsig := .FuncSigs}}"{{$binsig}}": "{{$strsig}}",
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{{end}}
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},
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{{end -}}
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{{if .InputBin -}}
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Bin: "0x{{.InputBin}}",
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{{end}}
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}
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// {{.Type}}ABI is the input ABI used to generate the binding from.
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// Deprecated: Use {{.Type}}MetaData.ABI instead.
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var {{.Type}}ABI = {{.Type}}MetaData.ABI
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{{if $contract.FuncSigs}}
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// Deprecated: Use {{.Type}}MetaData.Sigs instead.
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// {{.Type}}FuncSigs maps the 4-byte function signature to its string representation.
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var {{.Type}}FuncSigs = {{.Type}}MetaData.Sigs
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{{end}}
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{{if .InputBin}}
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// {{.Type}}Bin is the compiled bytecode used for deploying new contracts.
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// Deprecated: Use {{.Type}}MetaData.Bin instead.
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var {{.Type}}Bin = {{.Type}}MetaData.Bin
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// Deploy{{.Type}} deploys a new Ethereum contract, binding an instance of {{.Type}} to it.
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func Deploy{{.Type}}(auth *bind.TransactOpts, backend bind.ContractBackend {{range .Constructor.Inputs}}, {{.Name}} {{bindtype .Type $structs}}{{end}}) (common.Address, *types.Transaction, *{{.Type}}, error) {
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parsed, err := {{.Type}}MetaData.GetAbi()
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if err != nil {
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return common.Address{}, nil, nil, err
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}
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if parsed == nil {
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return common.Address{}, nil, nil, errors.New("GetABI returned nil")
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}
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{{range $pattern, $name := .Libraries}}
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{{decapitalise $name}}Addr, _, _, _ := Deploy{{capitalise $name}}(auth, backend)
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{{$contract.Type}}Bin = strings.ReplaceAll({{$contract.Type}}Bin, "__${{$pattern}}$__", {{decapitalise $name}}Addr.String()[2:])
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{{end}}
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address, tx, contract, err := bind.DeployContract(auth, *parsed, common.FromHex({{.Type}}Bin), backend {{range .Constructor.Inputs}}, {{.Name}}{{end}})
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if err != nil {
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return common.Address{}, nil, nil, err
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}
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return address, tx, &{{.Type}}{ {{.Type}}Caller: {{.Type}}Caller{contract: contract}, {{.Type}}Transactor: {{.Type}}Transactor{contract: contract}, {{.Type}}Filterer: {{.Type}}Filterer{contract: contract} }, nil
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}
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{{end}}
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// {{.Type}} is an auto generated Go binding around an Ethereum contract.
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type {{.Type}} struct {
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{{.Type}}Caller // Read-only binding to the contract
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{{.Type}}Transactor // Write-only binding to the contract
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{{.Type}}Filterer // Log filterer for contract events
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}
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// {{.Type}}Caller is an auto generated read-only Go binding around an Ethereum contract.
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type {{.Type}}Caller struct {
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contract *bind.BoundContract // Generic contract wrapper for the low level calls
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}
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// {{.Type}}Transactor is an auto generated write-only Go binding around an Ethereum contract.
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type {{.Type}}Transactor struct {
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contract *bind.BoundContract // Generic contract wrapper for the low level calls
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}
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// {{.Type}}Filterer is an auto generated log filtering Go binding around an Ethereum contract events.
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type {{.Type}}Filterer struct {
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contract *bind.BoundContract // Generic contract wrapper for the low level calls
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}
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// {{.Type}}Session is an auto generated Go binding around an Ethereum contract,
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// with pre-set call and transact options.
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type {{.Type}}Session struct {
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Contract *{{.Type}} // Generic contract binding to set the session for
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CallOpts bind.CallOpts // Call options to use throughout this session
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TransactOpts bind.TransactOpts // Transaction auth options to use throughout this session
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}
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// {{.Type}}CallerSession is an auto generated read-only Go binding around an Ethereum contract,
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// with pre-set call options.
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type {{.Type}}CallerSession struct {
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Contract *{{.Type}}Caller // Generic contract caller binding to set the session for
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CallOpts bind.CallOpts // Call options to use throughout this session
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}
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// {{.Type}}TransactorSession is an auto generated write-only Go binding around an Ethereum contract,
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// with pre-set transact options.
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type {{.Type}}TransactorSession struct {
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Contract *{{.Type}}Transactor // Generic contract transactor binding to set the session for
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TransactOpts bind.TransactOpts // Transaction auth options to use throughout this session
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}
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// {{.Type}}Raw is an auto generated low-level Go binding around an Ethereum contract.
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type {{.Type}}Raw struct {
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Contract *{{.Type}} // Generic contract binding to access the raw methods on
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}
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// {{.Type}}CallerRaw is an auto generated low-level read-only Go binding around an Ethereum contract.
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type {{.Type}}CallerRaw struct {
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Contract *{{.Type}}Caller // Generic read-only contract binding to access the raw methods on
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}
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// {{.Type}}TransactorRaw is an auto generated low-level write-only Go binding around an Ethereum contract.
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type {{.Type}}TransactorRaw struct {
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Contract *{{.Type}}Transactor // Generic write-only contract binding to access the raw methods on
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}
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// New{{.Type}} creates a new instance of {{.Type}}, bound to a specific deployed contract.
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func New{{.Type}}(address common.Address, backend bind.ContractBackend) (*{{.Type}}, error) {
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contract, err := bind{{.Type}}(address, backend, backend, backend)
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if err != nil {
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return nil, err
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}
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return &{{.Type}}{ {{.Type}}Caller: {{.Type}}Caller{contract: contract}, {{.Type}}Transactor: {{.Type}}Transactor{contract: contract}, {{.Type}}Filterer: {{.Type}}Filterer{contract: contract} }, nil
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}
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// New{{.Type}}Caller creates a new read-only instance of {{.Type}}, bound to a specific deployed contract.
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func New{{.Type}}Caller(address common.Address, caller bind.ContractCaller) (*{{.Type}}Caller, error) {
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contract, err := bind{{.Type}}(address, caller, nil, nil)
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if err != nil {
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return nil, err
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}
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return &{{.Type}}Caller{contract: contract}, nil
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}
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// New{{.Type}}Transactor creates a new write-only instance of {{.Type}}, bound to a specific deployed contract.
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func New{{.Type}}Transactor(address common.Address, transactor bind.ContractTransactor) (*{{.Type}}Transactor, error) {
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contract, err := bind{{.Type}}(address, nil, transactor, nil)
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if err != nil {
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return nil, err
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}
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return &{{.Type}}Transactor{contract: contract}, nil
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}
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// New{{.Type}}Filterer creates a new log filterer instance of {{.Type}}, bound to a specific deployed contract.
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func New{{.Type}}Filterer(address common.Address, filterer bind.ContractFilterer) (*{{.Type}}Filterer, error) {
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contract, err := bind{{.Type}}(address, nil, nil, filterer)
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if err != nil {
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return nil, err
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}
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return &{{.Type}}Filterer{contract: contract}, nil
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}
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// bind{{.Type}} binds a generic wrapper to an already deployed contract.
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func bind{{.Type}}(address common.Address, caller bind.ContractCaller, transactor bind.ContractTransactor, filterer bind.ContractFilterer) (*bind.BoundContract, error) {
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parsed, err := {{.Type}}MetaData.GetAbi()
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if err != nil {
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return nil, err
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}
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return bind.NewBoundContract(address, *parsed, caller, transactor, filterer), nil
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}
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// Call invokes the (constant) contract method with params as input values and
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// sets the output to result. The result type might be a single field for simple
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// returns, a slice of interfaces for anonymous returns and a struct for named
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// returns.
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func (_{{$contract.Type}} *{{$contract.Type}}Raw) Call(opts *bind.CallOpts, result *[]interface{}, method string, params ...interface{}) error {
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return _{{$contract.Type}}.Contract.{{$contract.Type}}Caller.contract.Call(opts, result, method, params...)
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}
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// Transfer initiates a plain transaction to move funds to the contract, calling
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// its default method if one is available.
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func (_{{$contract.Type}} *{{$contract.Type}}Raw) Transfer(opts *bind.TransactOpts) (*types.Transaction, error) {
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return _{{$contract.Type}}.Contract.{{$contract.Type}}Transactor.contract.Transfer(opts)
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}
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// Transact invokes the (paid) contract method with params as input values.
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func (_{{$contract.Type}} *{{$contract.Type}}Raw) Transact(opts *bind.TransactOpts, method string, params ...interface{}) (*types.Transaction, error) {
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return _{{$contract.Type}}.Contract.{{$contract.Type}}Transactor.contract.Transact(opts, method, params...)
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}
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// Call invokes the (constant) contract method with params as input values and
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// sets the output to result. The result type might be a single field for simple
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// returns, a slice of interfaces for anonymous returns and a struct for named
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// returns.
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func (_{{$contract.Type}} *{{$contract.Type}}CallerRaw) Call(opts *bind.CallOpts, result *[]interface{}, method string, params ...interface{}) error {
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return _{{$contract.Type}}.Contract.contract.Call(opts, result, method, params...)
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}
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// Transfer initiates a plain transaction to move funds to the contract, calling
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// its default method if one is available.
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func (_{{$contract.Type}} *{{$contract.Type}}TransactorRaw) Transfer(opts *bind.TransactOpts) (*types.Transaction, error) {
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return _{{$contract.Type}}.Contract.contract.Transfer(opts)
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}
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// Transact invokes the (paid) contract method with params as input values.
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func (_{{$contract.Type}} *{{$contract.Type}}TransactorRaw) Transact(opts *bind.TransactOpts, method string, params ...interface{}) (*types.Transaction, error) {
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return _{{$contract.Type}}.Contract.contract.Transact(opts, method, params...)
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}
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{{range .Calls}}
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// {{.Normalized.Name}} is a free data retrieval call binding the contract method 0x{{printf "%x" .Original.ID}}.
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//
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// Solidity: {{.Original.String}}
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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 $structs}},{{end}}{{end}} error) {
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var out []interface{}
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err := _{{$contract.Type}}.contract.Call(opts, &out, "{{.Original.Name}}" {{range .Normalized.Inputs}}, {{.Name}}{{end}})
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{{if .Structured}}
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outstruct := new(struct{ {{range .Normalized.Outputs}} {{.Name}} {{bindtype .Type $structs}}; {{end}} })
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if err != nil {
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return *outstruct, err
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}
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{{range $i, $t := .Normalized.Outputs}}
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outstruct.{{.Name}} = *abi.ConvertType(out[{{$i}}], new({{bindtype .Type $structs}})).(*{{bindtype .Type $structs}}){{end}}
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return *outstruct, err
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{{else}}
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if err != nil {
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return {{range $i, $_ := .Normalized.Outputs}}*new({{bindtype .Type $structs}}), {{end}} err
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}
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{{range $i, $t := .Normalized.Outputs}}
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out{{$i}} := *abi.ConvertType(out[{{$i}}], new({{bindtype .Type $structs}})).(*{{bindtype .Type $structs}}){{end}}
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return {{range $i, $t := .Normalized.Outputs}}out{{$i}}, {{end}} err
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{{end}}
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}
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// {{.Normalized.Name}} is a free data retrieval call binding the contract method 0x{{printf "%x" .Original.ID}}.
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//
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// Solidity: {{.Original.String}}
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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 $structs}},{{end}} {{end}} error) {
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return _{{$contract.Type}}.Contract.{{.Normalized.Name}}(&_{{$contract.Type}}.CallOpts {{range .Normalized.Inputs}}, {{.Name}}{{end}})
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}
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// {{.Normalized.Name}} is a free data retrieval call binding the contract method 0x{{printf "%x" .Original.ID}}.
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//
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// Solidity: {{.Original.String}}
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func (_{{$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 $structs}},{{end}} {{end}} error) {
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return _{{$contract.Type}}.Contract.{{.Normalized.Name}}(&_{{$contract.Type}}.CallOpts {{range .Normalized.Inputs}}, {{.Name}}{{end}})
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}
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{{end}}
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{{range .Transacts}}
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// {{.Normalized.Name}} is a paid mutator transaction binding the contract method 0x{{printf "%x" .Original.ID}}.
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//
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// Solidity: {{.Original.String}}
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func (_{{$contract.Type}} *{{$contract.Type}}Transactor) {{.Normalized.Name}}(opts *bind.TransactOpts {{range .Normalized.Inputs}}, {{.Name}} {{bindtype .Type $structs}} {{end}}) (*types.Transaction, error) {
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return _{{$contract.Type}}.contract.Transact(opts, "{{.Original.Name}}" {{range .Normalized.Inputs}}, {{.Name}}{{end}})
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}
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// {{.Normalized.Name}} is a paid mutator transaction binding the contract method 0x{{printf "%x" .Original.ID}}.
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//
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// Solidity: {{.Original.String}}
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func (_{{$contract.Type}} *{{$contract.Type}}Session) {{.Normalized.Name}}({{range $i, $_ := .Normalized.Inputs}}{{if ne $i 0}},{{end}} {{.Name}} {{bindtype .Type $structs}} {{end}}) (*types.Transaction, error) {
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return _{{$contract.Type}}.Contract.{{.Normalized.Name}}(&_{{$contract.Type}}.TransactOpts {{range $i, $_ := .Normalized.Inputs}}, {{.Name}}{{end}})
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}
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// {{.Normalized.Name}} is a paid mutator transaction binding the contract method 0x{{printf "%x" .Original.ID}}.
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//
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// Solidity: {{.Original.String}}
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func (_{{$contract.Type}} *{{$contract.Type}}TransactorSession) {{.Normalized.Name}}({{range $i, $_ := .Normalized.Inputs}}{{if ne $i 0}},{{end}} {{.Name}} {{bindtype .Type $structs}} {{end}}) (*types.Transaction, error) {
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return _{{$contract.Type}}.Contract.{{.Normalized.Name}}(&_{{$contract.Type}}.TransactOpts {{range $i, $_ := .Normalized.Inputs}}, {{.Name}}{{end}})
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}
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{{end}}
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{{if .Fallback}}
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// Fallback is a paid mutator transaction binding the contract fallback function.
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//
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// Solidity: {{.Fallback.Original.String}}
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func (_{{$contract.Type}} *{{$contract.Type}}Transactor) Fallback(opts *bind.TransactOpts, calldata []byte) (*types.Transaction, error) {
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return _{{$contract.Type}}.contract.RawTransact(opts, calldata)
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}
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// Fallback is a paid mutator transaction binding the contract fallback function.
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//
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// Solidity: {{.Fallback.Original.String}}
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func (_{{$contract.Type}} *{{$contract.Type}}Session) Fallback(calldata []byte) (*types.Transaction, error) {
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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 := _{{$contract.Type}}.contract.UnpackLog(event, "{{.Original.Name}}", log); err != nil {
|
|
return nil, err
|
|
}
|
|
event.Raw = log
|
|
return event, nil
|
|
}
|
|
|
|
{{end}}
|
|
{{end}}
|
|
`
|
|
|
|
// tmplSourceJava is the Java source template that the generated Java contract binding
|
|
// is based on.
|
|
const tmplSourceJava = `
|
|
// This file is an automatically generated Java binding. Do not modify as any
|
|
// change will likely be lost upon the next re-generation!
|
|
|
|
package {{.Package}};
|
|
|
|
import org.ethereum.geth.*;
|
|
import java.util.*;
|
|
|
|
{{$structs := .Structs}}
|
|
{{range $contract := .Contracts}}
|
|
{{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 if eq (len .Normalized.Outputs) 0}}void{{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}}
|
|
|
|
{{if .Fallback}}
|
|
// Fallback is a paid mutator transaction binding the contract fallback function.
|
|
//
|
|
// Solidity: {{.Fallback.Original.String}}
|
|
public Transaction Fallback(TransactOpts opts, byte[] calldata) throws Exception {
|
|
return this.Contract.rawTransact(opts, calldata);
|
|
}
|
|
{{end}}
|
|
|
|
{{if .Receive}}
|
|
// Receive is a paid mutator transaction binding the contract receive function.
|
|
//
|
|
// Solidity: {{.Receive.Original.String}}
|
|
public Transaction Receive(TransactOpts opts) throws Exception {
|
|
return this.Contract.rawTransact(opts, null);
|
|
}
|
|
{{end}}
|
|
}
|
|
{{end}}
|
|
`
|