aergoio/aergo

package main

import (
    "encoding/json"
    "fmt"
    "os"

    "github.com/aergoio/aergo/v2/internal/enc/hex"
    "github.com/aergoio/aergo/v2/types"
)

func getGenesis(path string) *types.Genesis {
    file, err := os.Open(path)
    if err != nil {
        fmt.Printf("fail to open %s \n", path)
        return nil
    }
    defer file.Close()
    genesis := new(types.Genesis)
    if err := json.NewDecoder(file).Decode(genesis); err != nil {
        fmt.Printf("fail to deserialize %s (error:%s)\n", path, err)
        return nil
    }
    return genesis
}

func main() {

    argsWithoutProg := os.Args[1:]
    if 0 == len(argsWithoutProg) {
        panic("Usage: dumpblk <genesis file path>")
    }

    g := getGenesis(argsWithoutProg[0])
    if g == nil || g.Validate() != nil {
        panic("fail to read or validate")
    }

    bs, err := json.Marshal(g)
    if err != nil {
        panic(err)
    }

    str := "\"" + hex.Encode(bs) + "\""
    fmt.Println(str)
}