path: root/cmd/puppeth/genesis_test.go

// Copyright 2018 The go-ethereum Authors
// This file is part of go-ethereum.
//
// go-ethereum is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// go-ethereum is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with go-ethereum. If not, see <http://www.gnu.org/licenses/>.

package main

import (
    "encoding/json"
    "fmt"
    "io/ioutil"
    "reflect"
    "strings"
    "testing"

    "github.com/davecgh/go-spew/spew"
    "github.com/ethereum/go-ethereum/core"
)

// Tests the go-ethereum to Aleth chainspec conversion for the Stureby testnet.
func TestAlethSturebyConverter(t *testing.T) {
    blob, err := ioutil.ReadFile("testdata/stureby_geth.json")
    if err != nil {
        t.Fatalf("could not read file: %v", err)
    }
    var genesis core.Genesis
    if err := json.Unmarshal(blob, &genesis); err != nil {
        t.Fatalf("failed parsing genesis: %v", err)
    }
    spec, err := newAlethGenesisSpec("stureby", &genesis)
    if err != nil {
        t.Fatalf("failed creating chainspec: %v", err)
    }

    expBlob, err := ioutil.ReadFile("testdata/stureby_aleth.json")
    if err != nil {
        t.Fatalf("could not read file: %v", err)
    }
    expspec := &alethGenesisSpec{}
    if err := json.Unmarshal(expBlob, expspec); err != nil {
        t.Fatalf("failed parsing genesis: %v", err)
    }
    if !reflect.DeepEqual(expspec, spec) {
        t.Errorf("chainspec mismatch")
        c := spew.ConfigState{
            DisablePointerAddresses: true,
            SortKeys:                true,
        }
        exp := strings.Split(c.Sdump(expspec), "\n")
        got := strings.Split(c.Sdump(spec), "\n")
        for i := 0; i < len(exp) && i < len(got); i++ {
            if exp[i] != got[i] {
                fmt.Printf("got: %v\nexp: %v\n", exp[i], got[i])
            }
        }
    }
}

// Tests the go-ethereum to Parity chainspec conversion for the Stureby testnet.
func TestParitySturebyConverter(t *testing.T) {
    blob, err := ioutil.ReadFile("testdata/stureby_geth.json")
    if err != nil {
        t.Fatalf("could not read file: %v", err)
    }
    var genesis core.Genesis
    if err := json.Unmarshal(blob, &genesis); err != nil {
        t.Fatalf("failed parsing genesis: %v", err)
    }
    spec, err := newParityChainSpec("Stureby", &genesis, []string{})
    if err != nil {
        t.Fatalf("failed creating chainspec: %v", err)
    }

    expBlob, err := ioutil.ReadFile("testdata/stureby_parity.json")
    if err != nil {
        t.Fatalf("could not read file: %v", err)
    }
    expspec := &parityChainSpec{}
    if err := json.Unmarshal(expBlob, expspec); err != nil {
        t.Fatalf("failed parsing genesis: %v", err)
    }
    expspec.Nodes = []string{}

    if !reflect.DeepEqual(expspec, spec) {
        t.Errorf("chainspec mismatch")
        c := spew.ConfigState{
            DisablePointerAddresses: true,
            SortKeys:                true,
        }
        exp := strings.Split(c.Sdump(expspec), "\n")
        got := strings.Split(c.Sdump(spec), "\n")
        for i := 0; i < len(exp) && i < len(got); i++ {
            if exp[i] != got[i] {
                fmt.Printf("got: %v\nexp: %v\n", exp[i], got[i])
            }
        }
    }
}