mirror of
https://gitlab.com/pulsechaincom/go-pulse.git
synced 2024-12-23 11:57:17 +00:00
c26c8d3a44
* Add params package with exported variables generated from github.com/ethereum/common/blob/master/params.json * Use params package variables in applicable places * Add check for minimum gas limit in validation of block's gas limit * Remove common/params.json from go-ethereum to avoid outdated version of it
66 lines
1.3 KiB
Go
66 lines
1.3 KiB
Go
//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"
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"strings"
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)
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func fatal(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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fatal("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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fatal("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 := path.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, os.ModePerm /*0777*/)
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if err != nil {
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fatal("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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fatal("gofmt failed: %v\n", err)
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}
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}
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