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https://gitlab.com/pulsechaincom/go-pulse.git
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82 lines
2.1 KiB
Go
82 lines
2.1 KiB
Go
// Copyright 2015 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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//go:generate go run defaults.go default.json defs.go
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package main //build !none
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import (
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"encoding/json"
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"fmt"
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"io/ioutil"
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"os"
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"os/exec"
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"path/filepath"
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"strings"
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)
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func fatalf(str string, v ...interface{}) {
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fmt.Fprintf(os.Stderr, str, v...)
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os.Exit(1)
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}
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type setting struct {
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Value int64 `json:"v"`
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Comment string `json:"d"`
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}
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func main() {
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if len(os.Args) < 3 {
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fatalf("usage %s <input> <output>\n", os.Args[0])
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}
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content, err := ioutil.ReadFile(os.Args[1])
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if err != nil {
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fatalf("error reading file %v\n", err)
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}
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m := make(map[string]setting)
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json.Unmarshal(content, &m)
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filepath := filepath.Join(os.Getenv("GOPATH"), "src", "github.com", "ethereum", "go-ethereum", "params", os.Args[2])
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output, err := os.OpenFile(filepath, os.O_RDWR|os.O_CREATE, 0666)
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if err != nil {
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fatalf("error opening file for writing %v\n", err)
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}
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output.WriteString(`// DO NOT EDIT!!!
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// AUTOGENERATED FROM generators/defaults.go
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package params
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import "math/big"
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var (
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`)
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for name, setting := range m {
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output.WriteString(fmt.Sprintf("%s=big.NewInt(%d) // %s\n", strings.Title(name), setting.Value, setting.Comment))
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}
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output.WriteString(")\n")
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output.Close()
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cmd := exec.Command("gofmt", "-w", filepath)
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if err := cmd.Run(); err != nil {
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fatalf("gofmt failed: %v\n", err)
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}
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}
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