go-ethereum/consensus/XDPoS/XDPoS_test.go

package XDPoS

import (
	"fmt"
	"math/big"
	"testing"

	"github.com/ethereum/go-ethereum/common"
	"github.com/ethereum/go-ethereum/core/types"
	"github.com/ethereum/go-ethereum/params"
)

func TestGetM1M2FromCheckpointHeader(t *testing.T) {
	masternodes := []common.Address{
		common.StringToAddress("aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa"),
		common.StringToAddress("bbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbbb"),
		common.StringToAddress("cccccccccccccccccccccccccccccccccccccccc"),
	}
	validators := []int64{
		2,
		1,
		0,
	}
	epoch := uint64(900)
	config := &params.ChainConfig{
		XDPoS: &params.XDPoSConfig{
			Epoch: uint64(epoch),
		},
	}
	testMoveM2 := []uint64{0,0,0,1,1,1,2,2,2,0,0,0,1,1,1,2,2,2}
	//try from block 3410001 to 3410018
	for i := uint64(3464001); i <= 3464018; i++ {
		currentNumber := int64(i)
		currentHeader := &types.Header{
			Number: big.NewInt(currentNumber),
		}
		m1m2, moveM2, err := getM1M2(masternodes, validators, currentHeader, config)
		if err != nil {
			t.Error("can't get m1m2", "err", err)
		}
		fmt.Printf("block: %v, moveM2: %v\n", currentHeader.Number.Int64(), moveM2)
		for _, k := range masternodes {
			fmt.Printf("m1: %v - m2: %v\n", k.Str(), m1m2[k].Str())
		}
		if moveM2 != testMoveM2[i-3464001] {
			t.Error("wrong moveM2", "currentNumber", currentNumber, "want", testMoveM2[i-3464001], "have", moveM2)
		}
	}
}