erigon-pulse/consensus/ethash/ethash_test.go
a 436493350e
Sentinel refactor (#8296)
1. changes sentinel to use an http-like interface

2. moves hexutil, crypto/blake2b, metrics packages to erigon-lib
2023-10-22 01:17:18 +02:00

110 lines
3.4 KiB
Go

// 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 ethash
import (
"github.com/ledgerwatch/erigon-lib/common/hexutil"
"math/big"
"testing"
"time"
libcommon "github.com/ledgerwatch/erigon-lib/common"
"github.com/ledgerwatch/erigon/core/types"
)
func TestRemoteSealer(t *testing.T) {
ethash := NewTester(nil, false)
defer ethash.Close()
api := &API{ethash}
if _, err := api.GetWork(); err != errNoMiningWork {
t.Error("expect to return an error indicate there is no mining work")
}
header := &types.Header{Number: big.NewInt(1), Difficulty: big.NewInt(100)}
block := types.NewBlockWithHeader(header)
sealhash := ethash.SealHash(header)
// Push new work.
results := make(chan *types.Block)
if err := ethash.Seal(nil, block, results, nil); err != nil {
t.Fatal(err)
}
var (
work [4]string
err error
)
if work, err = api.GetWork(); err != nil || work[0] != sealhash.Hex() {
t.Error("expect to return a mining work has same hash")
}
if res := api.SubmitWork(types.BlockNonce{}, sealhash, libcommon.Hash{}); res {
t.Error("expect to return false when submit a fake solution")
}
// Push new block with same block number to replace the original one.
header = &types.Header{Number: big.NewInt(1), Difficulty: big.NewInt(1000)}
block = types.NewBlockWithHeader(header)
sealhash = ethash.SealHash(header)
err = ethash.Seal(nil, block, results, nil)
if err != nil {
t.Fatal(err)
}
if work, err = api.GetWork(); err != nil || work[0] != sealhash.Hex() {
t.Error("expect to return the latest pushed work")
}
}
func TestHashRate(t *testing.T) {
var (
hashrate = []hexutil.Uint64{100, 200, 300}
expect uint64
ids = []libcommon.Hash{libcommon.HexToHash("a"), libcommon.HexToHash("b"), libcommon.HexToHash("c")}
)
ethash := NewTester(nil, false)
defer ethash.Close()
if tot := ethash.Hashrate(); tot != 0 {
t.Error("expect the result should be zero")
}
api := &API{ethash}
for i := 0; i < len(hashrate); i += 1 {
if res := api.SubmitHashRate(hashrate[i], ids[i]); !res {
t.Error("remote miner submit hashrate failed")
}
expect += uint64(hashrate[i])
}
if tot := ethash.Hashrate(); tot != float64(expect) {
t.Error("expect total hashrate should be same")
}
}
func TestClosedRemoteSealer(t *testing.T) {
ethash := NewTester(nil, false)
time.Sleep(1 * time.Second) // ensure exit channel is listening
_ = ethash.Close()
api := &API{ethash}
if _, err := api.GetWork(); err != errEthashStopped {
t.Error("expect to return an error to indicate ethash is stopped")
}
if res := api.SubmitHashRate(hexutil.Uint64(100), libcommon.HexToHash("a")); res {
t.Error("expect to return false when submit hashrate to a stopped ethash")
}
}