Official Go implementation of the Ethereum protocol
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go-ethereum/accounts/abi/bind/template.go

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// Copyright 2016 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
package bind
import (
_ "embed"
"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
Libraries map[string]string // Map the bytecode's link pattern to the library name
Structs map[string]*tmplStruct // Contract struct type definitions
}
// 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 generate 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
Fallback *tmplMethod // Additional special fallback function
Receive *tmplMethod // Additional special receive function
Events map[string]*tmplEvent // Contract events accessors
Libraries map[string]string // Same as tmplData, but filtered to only keep what the contract needs
Library bool // Indicator whether the contract is a library
}
// 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 abi.Event that contains a few preprocessed
// and cached data fields.
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 and contains an auto-generated
// struct name.
type tmplStruct struct {
Name string // Auto-generated struct name(before solidity v0.5.11) or raw name.
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,
}
// tmplSourceGo is the Go source template that the generated Go contract binding
// is based on.
//
//go:embed source.go.tpl
var tmplSourceGo string