72 lines
2.1 KiB
Go
72 lines
2.1 KiB
Go
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// 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 main
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import (
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"flag"
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"fmt"
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"io/ioutil"
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"os"
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"github.com/ethereum/go-ethereum/accounts/abi/bind"
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)
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var (
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abiFlag = flag.String("abi", "", "Path to the Ethereum contract ABI json to bind")
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pkgFlag = flag.String("pkg", "", "Go package name to generate the binding into")
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typFlag = flag.String("type", "", "Go struct name for the binding (default = package name)")
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outFlag = flag.String("out", "", "Output path for the generated binding")
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)
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func main() {
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// Parse and validate the command line flags
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flag.Parse()
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if *abiFlag == "" {
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fmt.Printf("No contract ABI path specified (--abi)\n")
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os.Exit(-1)
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}
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if *pkgFlag == "" {
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fmt.Printf("No destination Go package specified (--pkg)\n")
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os.Exit(-1)
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}
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// Generate the contract binding
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in, err := ioutil.ReadFile(*abiFlag)
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if err != nil {
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fmt.Printf("Failed to read input ABI: %v\n", err)
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os.Exit(-1)
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}
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kind := *typFlag
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if kind == "" {
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kind = *pkgFlag
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}
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code, err := bind.Bind(string(in), *pkgFlag, kind)
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if err != nil {
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fmt.Printf("Failed to generate ABI binding: %v\n", err)
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os.Exit(-1)
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}
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// Either flush it out to a file or display on the standard output
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if *outFlag == "" {
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fmt.Printf("%s\n", code)
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return
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}
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if err := ioutil.WriteFile(*outFlag, []byte(code), 0600); err != nil {
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fmt.Printf("Failed to write ABI binding: %v\n", err)
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os.Exit(-1)
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}
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}
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