plugeth/miner/payload_building_test.go

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// Copyright 2022 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 miner
import (
"reflect"
"testing"
"time"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/consensus/ethash"
"github.com/ethereum/go-ethereum/core/beacon"
"github.com/ethereum/go-ethereum/core/rawdb"
"github.com/ethereum/go-ethereum/params"
)
func TestBuildPayload(t *testing.T) {
var (
db = rawdb.NewMemoryDatabase()
recipient = common.HexToAddress("0xdeadbeef")
)
w, b := newTestWorker(t, params.TestChainConfig, ethash.NewFaker(), db, 0)
defer w.close()
timestamp := uint64(time.Now().Unix())
args := &BuildPayloadArgs{
Parent: b.chain.CurrentBlock().Hash(),
Timestamp: timestamp,
Random: common.Hash{},
FeeRecipient: recipient,
}
payload, err := w.buildPayload(args)
if err != nil {
t.Fatalf("Failed to build payload %v", err)
}
verify := func(outer *beacon.ExecutionPayloadEnvelope, txs int) {
payload := outer.ExecutionPayload
if payload.ParentHash != b.chain.CurrentBlock().Hash() {
t.Fatal("Unexpect parent hash")
}
if payload.Random != (common.Hash{}) {
t.Fatal("Unexpect random value")
}
if payload.Timestamp != timestamp {
t.Fatal("Unexpect timestamp")
}
if payload.FeeRecipient != recipient {
t.Fatal("Unexpect fee recipient")
}
if len(payload.Transactions) != txs {
t.Fatal("Unexpect transaction set")
}
}
empty := payload.ResolveEmpty()
verify(empty, 0)
full := payload.ResolveFull()
verify(full, len(pendingTxs))
// Ensure resolve can be called multiple times and the
// result should be unchanged
dataOne := payload.Resolve()
dataTwo := payload.Resolve()
if !reflect.DeepEqual(dataOne, dataTwo) {
t.Fatal("Unexpected payload data")
}
}