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- // Copyright 2017 The go-ethereum Authors
- // This file is part of the go-ethereum library.
- //
- // The go-ethereum library is free software: you can redistribute it and/or modify
- // it under the terms of the GNU Lesser General Public License as published by
- // the Free Software Foundation, either version 3 of the License, or
- // (at your option) any later version.
- //
- // The go-ethereum library 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 Lesser General Public License for more details.
- //
- // You should have received a copy of the GNU Lesser General Public License
- // along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
- package validator
- import (
- fmt "fmt"
- "reflect"
- "strings"
- "testing"
- "github.com/ethereum/go-ethereum/common"
- "github.com/ethereum/go-ethereum/consensus/istanbul"
- "github.com/ethereum/go-ethereum/crypto"
- )
- var (
- testAddress = "70524d664ffe731100208a0154e556f9bb679ae6"
- testAddress2 = "b37866a925bccd69cfa98d43b510f1d23d78a851"
- )
- func TestValidatorSet(t *testing.T) {
- testNewValidatorSet(t)
- testNormalValSet(t)
- testEmptyValSet(t)
- testStickyProposer(t)
- testAddAndRemoveValidator(t)
- }
- func testNewValidatorSet(t *testing.T) {
- var validators []istanbul.Validator
- const ValCnt = 100
- // Create 100 validators with random addresses
- b := []byte{}
- for i := 0; i < ValCnt; i++ {
- key, _ := crypto.GenerateKey()
- addr := crypto.PubkeyToAddress(key.PublicKey)
- val := New(addr)
- validators = append(validators, val)
- b = append(b, val.Address().Bytes()...)
- }
- // Create ValidatorSet
- valSet := NewSet(ExtractValidators(b), istanbul.NewRoundRobinProposerPolicy())
- if valSet == nil {
- t.Errorf("the validator byte array cannot be parsed")
- t.FailNow()
- }
- // Check validators sorting: should be in ascending order
- for i := 0; i < ValCnt-1; i++ {
- val := valSet.GetByIndex(uint64(i))
- nextVal := valSet.GetByIndex(uint64(i + 1))
- if strings.Compare(val.String(), nextVal.String()) >= 0 {
- t.Errorf("validator set is not sorted in ascending order")
- }
- }
- }
- func testNormalValSet(t *testing.T) {
- b1 := common.Hex2Bytes(testAddress)
- b2 := common.Hex2Bytes(testAddress2)
- addr1 := common.BytesToAddress(b1)
- addr2 := common.BytesToAddress(b2)
- val1 := New(addr1)
- val2 := New(addr2)
- valSet := newDefaultSet([]common.Address{addr1, addr2}, istanbul.NewRoundRobinProposerPolicy())
- if valSet == nil {
- t.Errorf("the format of validator set is invalid")
- t.FailNow()
- }
- // check size
- if size := valSet.Size(); size != 2 {
- t.Errorf("the size of validator set is wrong: have %v, want 2", size)
- }
- // test get by index
- if val := valSet.GetByIndex(uint64(0)); !reflect.DeepEqual(val, val1) {
- t.Errorf("validator mismatch: have %v, want %v", val, val1)
- }
- // test get by invalid index
- if val := valSet.GetByIndex(uint64(2)); val != nil {
- t.Errorf("validator mismatch: have %v, want nil", val)
- }
- // test get by address
- if _, val := valSet.GetByAddress(addr2); !reflect.DeepEqual(val, val2) {
- t.Errorf("validator mismatch: have %v, want %v", val, val2)
- }
- // test get by invalid address
- invalidAddr := common.HexToAddress("0x9535b2e7faaba5288511d89341d94a38063a349b")
- if _, val := valSet.GetByAddress(invalidAddr); val != nil {
- t.Errorf("validator mismatch: have %v, want nil", val)
- }
- // test get proposer
- if val := valSet.GetProposer(); !reflect.DeepEqual(val, val1) {
- t.Errorf("proposer mismatch: have %v, want %v", val, val1)
- }
- // test calculate proposer
- lastProposer := addr1
- valSet.CalcProposer(lastProposer, uint64(0))
- if val := valSet.GetProposer(); !reflect.DeepEqual(val, val2) {
- t.Errorf("proposer mismatch: have %v, want %v", val, val2)
- }
- valSet.CalcProposer(lastProposer, uint64(3))
- if val := valSet.GetProposer(); !reflect.DeepEqual(val, val1) {
- t.Errorf("proposer mismatch: have %v, want %v", val, val1)
- }
- // test empty last proposer
- lastProposer = common.Address{}
- valSet.CalcProposer(lastProposer, uint64(3))
- if val := valSet.GetProposer(); !reflect.DeepEqual(val, val2) {
- t.Errorf("proposer mismatch: have %v, want %v", val, val2)
- }
- }
- func testEmptyValSet(t *testing.T) {
- valSet := NewSet(ExtractValidators([]byte{}), istanbul.NewRoundRobinProposerPolicy())
- if valSet == nil {
- t.Errorf("validator set should not be nil")
- }
- }
- func testAddAndRemoveValidator(t *testing.T) {
- valSet := NewSet(ExtractValidators([]byte{}), istanbul.NewRoundRobinProposerPolicy())
- if !valSet.AddValidator(common.StringToAddress("2")) {
- t.Error("the validator should be added")
- }
- if valSet.AddValidator(common.StringToAddress("2")) {
- t.Error("the existing validator should not be added")
- }
- valSet.AddValidator(common.StringToAddress("1"))
- valSet.AddValidator(common.StringToAddress("0"))
- if len(valSet.List()) != 3 {
- t.Error("the size of validator set should be 3")
- }
- for i, v := range valSet.List() {
- expected := common.StringToAddress((fmt.Sprint(i)))
- if v.Address() != expected {
- t.Errorf("the order of validators is wrong: have %v, want %v", v.Address().Hex(), expected.Hex())
- }
- }
- if !valSet.RemoveValidator(common.StringToAddress("2")) {
- t.Error("the validator should be removed")
- }
- if valSet.RemoveValidator(common.StringToAddress("2")) {
- t.Error("the non-existing validator should not be removed")
- }
- if len(valSet.List()) != 2 {
- t.Error("the size of validator set should be 2")
- }
- valSet.RemoveValidator(common.StringToAddress("1"))
- if len(valSet.List()) != 1 {
- t.Error("the size of validator set should be 1")
- }
- valSet.RemoveValidator(common.StringToAddress("0"))
- if len(valSet.List()) != 0 {
- t.Error("the size of validator set should be 0")
- }
- }
- func testStickyProposer(t *testing.T) {
- b1 := common.Hex2Bytes(testAddress)
- b2 := common.Hex2Bytes(testAddress2)
- addr1 := common.BytesToAddress(b1)
- addr2 := common.BytesToAddress(b2)
- val1 := New(addr1)
- val2 := New(addr2)
- valSet := newDefaultSet([]common.Address{addr1, addr2}, istanbul.NewStickyProposerPolicy())
- // test get proposer
- if val := valSet.GetProposer(); !reflect.DeepEqual(val, val1) {
- t.Errorf("proposer mismatch: have %v, want %v", val, val1)
- }
- // test calculate proposer
- lastProposer := addr1
- valSet.CalcProposer(lastProposer, uint64(0))
- if val := valSet.GetProposer(); !reflect.DeepEqual(val, val1) {
- t.Errorf("proposer mismatch: have %v, want %v", val, val1)
- }
- valSet.CalcProposer(lastProposer, uint64(1))
- if val := valSet.GetProposer(); !reflect.DeepEqual(val, val2) {
- t.Errorf("proposer mismatch: have %v, want %v", val, val2)
- }
- // test empty last proposer
- lastProposer = common.Address{}
- valSet.CalcProposer(lastProposer, uint64(3))
- if val := valSet.GetProposer(); !reflect.DeepEqual(val, val2) {
- t.Errorf("proposer mismatch: have %v, want %v", val, val2)
- }
- }
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