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89 lines
4.0 KiB
89 lines
4.0 KiB
// 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 (
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_ "embed"
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"github.com/ethereum/go-ethereum/accounts/abi"
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)
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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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}
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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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//
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//go:embed source.go.tpl
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var tmplSourceGo string
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