261 lines
14 KiB
Go
261 lines
14 KiB
Go
// 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/ethereum/go-ethereum/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
|
|
}
|
|
|
|
// 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
|
|
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
|
|
}
|
|
|
|
// 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 contract
|
|
}
|
|
|
|
// tmplSource is the Go source template use to generate the contract binding
|
|
// based on.
|
|
const tmplSource = `
|
|
// This file is an automatically generated Go binding. Do not modify as any
|
|
// change will likely be lost upon the next re-generation!
|
|
|
|
package {{.Package}}
|
|
|
|
{{range $contract := .Contracts}}
|
|
// {{.Type}}ABI is the input ABI used to generate the binding from.
|
|
const {{.Type}}ABI = ` + "`" + `{{.InputABI}}` + "`" + `
|
|
|
|
{{if .InputBin}}
|
|
// {{.Type}}Bin is the compiled bytecode used for deploying new contracts.
|
|
const {{.Type}}Bin = ` + "`" + `{{.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}}{{end}}) (common.Address, *types.Transaction, *{{.Type}}, error) {
|
|
parsed, err := abi.JSON(strings.NewReader({{.Type}}ABI))
|
|
if err != nil {
|
|
return common.Address{}, nil, nil, err
|
|
}
|
|
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} }, 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}}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}}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.(bind.ContractCaller), backend.(bind.ContractTransactor))
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
return &{{.Type}}{ {{.Type}}Caller: {{.Type}}Caller{contract: contract}, {{.Type}}Transactor: {{.Type}}Transactor{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)
|
|
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)
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
return &{{.Type}}Transactor{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) (*bind.BoundContract, error) {
|
|
parsed, err := abi.JSON(strings.NewReader({{.Type}}ABI))
|
|
if err != nil {
|
|
return nil, err
|
|
}
|
|
return bind.NewBoundContract(address, parsed, caller, transactor), 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}} {{end}}) ({{if .Structured}}struct{ {{range .Normalized.Outputs}}{{.Name}} {{bindtype .Type}};{{end}} },{{else}}{{range .Normalized.Outputs}}{{bindtype .Type}},{{end}}{{end}} error) {
|
|
{{if .Structured}}ret := new(struct{
|
|
{{range .Normalized.Outputs}}{{.Name}} {{bindtype .Type}}
|
|
{{end}}
|
|
}){{else}}var (
|
|
{{range $i, $_ := .Normalized.Outputs}}ret{{$i}} = new({{bindtype .Type}})
|
|
{{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: {{.Original.String}}
|
|
func (_{{$contract.Type}} *{{$contract.Type}}Session) {{.Normalized.Name}}({{range $i, $_ := .Normalized.Inputs}}{{if ne $i 0}},{{end}} {{.Name}} {{bindtype .Type}} {{end}}) ({{if .Structured}}struct{ {{range .Normalized.Outputs}}{{.Name}} {{bindtype .Type}};{{end}} }, {{else}} {{range .Normalized.Outputs}}{{bindtype .Type}},{{end}} {{end}} error) {
|
|
return _{{$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 $i 0}},{{end}} {{.Name}} {{bindtype .Type}} {{end}}) ({{if .Structured}}struct{ {{range .Normalized.Outputs}}{{.Name}} {{bindtype .Type}};{{end}} }, {{else}} {{range .Normalized.Outputs}}{{bindtype .Type}},{{end}} {{end}} error) {
|
|
return _{{$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}} *{{$contract.Type}}Transactor) {{.Normalized.Name}}(opts *bind.TransactOpts {{range .Normalized.Inputs}}, {{.Name}} {{bindtype .Type}} {{end}}) (*types.Transaction, error) {
|
|
return _{{$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 $i 0}},{{end}} {{.Name}} {{bindtype .Type}} {{end}}) (*types.Transaction, error) {
|
|
return _{{$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 $i 0}},{{end}} {{.Name}} {{bindtype .Type}} {{end}}) (*types.Transaction, error) {
|
|
return _{{$contract.Type}}.Contract.{{.Normalized.Name}}(&_{{$contract.Type}}.TransactOpts {{range $i, $_ := .Normalized.Inputs}}, {{.Name}}{{end}})
|
|
}
|
|
{{end}}
|
|
{{end}}
|
|
`
|