399 lines
14 KiB
Go
399 lines
14 KiB
Go
// Copyright 2020 The go-ethereum Authors
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// This file is part of the go-ethereum library.
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//
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// The go-ethereum library is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// The go-ethereum library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
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package catalyst
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import (
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"math/big"
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"testing"
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"time"
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"github.com/ethereum/go-ethereum/common"
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"github.com/ethereum/go-ethereum/common/hexutil"
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"github.com/ethereum/go-ethereum/consensus/ethash"
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"github.com/ethereum/go-ethereum/core"
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"github.com/ethereum/go-ethereum/core/rawdb"
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"github.com/ethereum/go-ethereum/core/types"
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"github.com/ethereum/go-ethereum/crypto"
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"github.com/ethereum/go-ethereum/eth"
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"github.com/ethereum/go-ethereum/eth/ethconfig"
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"github.com/ethereum/go-ethereum/node"
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"github.com/ethereum/go-ethereum/params"
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)
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var (
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// testKey is a private key to use for funding a tester account.
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testKey, _ = crypto.HexToECDSA("b71c71a67e1177ad4e901695e1b4b9ee17ae16c6668d313eac2f96dbcda3f291")
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// testAddr is the Ethereum address of the tester account.
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testAddr = crypto.PubkeyToAddress(testKey.PublicKey)
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testBalance = big.NewInt(2e18)
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)
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func generatePreMergeChain(n int) (*core.Genesis, []*types.Block) {
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db := rawdb.NewMemoryDatabase()
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config := params.AllEthashProtocolChanges
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genesis := &core.Genesis{
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Config: config,
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Alloc: core.GenesisAlloc{testAddr: {Balance: testBalance}},
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ExtraData: []byte("test genesis"),
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Timestamp: 9000,
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BaseFee: big.NewInt(params.InitialBaseFee),
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}
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testNonce := uint64(0)
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generate := func(i int, g *core.BlockGen) {
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g.OffsetTime(5)
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g.SetExtra([]byte("test"))
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tx, _ := types.SignTx(types.NewTransaction(testNonce, common.HexToAddress("0x9a9070028361F7AAbeB3f2F2Dc07F82C4a98A02a"), big.NewInt(1), params.TxGas, big.NewInt(params.InitialBaseFee*2), nil), types.LatestSigner(config), testKey)
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g.AddTx(tx)
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testNonce++
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}
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gblock := genesis.ToBlock(db)
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engine := ethash.NewFaker()
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blocks, _ := core.GenerateChain(config, gblock, engine, db, n, generate)
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totalDifficulty := big.NewInt(0)
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for _, b := range blocks {
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totalDifficulty.Add(totalDifficulty, b.Difficulty())
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}
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config.TerminalTotalDifficulty = totalDifficulty
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return genesis, blocks
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}
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func TestEth2AssembleBlock(t *testing.T) {
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genesis, blocks := generatePreMergeChain(10)
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n, ethservice := startEthService(t, genesis, blocks)
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defer n.Close()
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api := NewConsensusAPI(ethservice, nil)
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signer := types.NewEIP155Signer(ethservice.BlockChain().Config().ChainID)
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tx, err := types.SignTx(types.NewTransaction(uint64(10), blocks[9].Coinbase(), big.NewInt(1000), params.TxGas, big.NewInt(params.InitialBaseFee), nil), signer, testKey)
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if err != nil {
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t.Fatalf("error signing transaction, err=%v", err)
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}
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ethservice.TxPool().AddLocal(tx)
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blockParams := AssembleBlockParams{
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ParentHash: blocks[9].Hash(),
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Timestamp: blocks[9].Time() + 5,
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}
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execData, err := api.assembleBlock(blockParams)
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if err != nil {
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t.Fatalf("error producing block, err=%v", err)
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}
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if len(execData.Transactions) != 1 {
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t.Fatalf("invalid number of transactions %d != 1", len(execData.Transactions))
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}
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}
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func TestEth2AssembleBlockWithAnotherBlocksTxs(t *testing.T) {
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genesis, blocks := generatePreMergeChain(10)
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n, ethservice := startEthService(t, genesis, blocks[:9])
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defer n.Close()
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api := NewConsensusAPI(ethservice, nil)
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// Put the 10th block's tx in the pool and produce a new block
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api.insertTransactions(blocks[9].Transactions())
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blockParams := AssembleBlockParams{
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ParentHash: blocks[8].Hash(),
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Timestamp: blocks[8].Time() + 5,
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}
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execData, err := api.assembleBlock(blockParams)
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if err != nil {
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t.Fatalf("error producing block, err=%v", err)
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}
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if len(execData.Transactions) != blocks[9].Transactions().Len() {
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t.Fatalf("invalid number of transactions %d != 1", len(execData.Transactions))
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}
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}
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func TestSetHeadBeforeTotalDifficulty(t *testing.T) {
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genesis, blocks := generatePreMergeChain(10)
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n, ethservice := startEthService(t, genesis, blocks)
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defer n.Close()
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api := NewConsensusAPI(ethservice, nil)
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if err := api.ForkchoiceUpdated(ForkChoiceParams{HeadBlockHash: blocks[5].Hash()}); err == nil {
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t.Errorf("fork choice updated before total terminal difficulty should fail")
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}
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}
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func TestEth2PrepareAndGetPayload(t *testing.T) {
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genesis, blocks := generatePreMergeChain(10)
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n, ethservice := startEthService(t, genesis, blocks[:9])
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defer n.Close()
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api := NewConsensusAPI(ethservice, nil)
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// Put the 10th block's tx in the pool and produce a new block
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api.insertTransactions(blocks[9].Transactions())
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blockParams := AssembleBlockParams{
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ParentHash: blocks[8].Hash(),
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Timestamp: blocks[8].Time() + 5,
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}
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respID, err := api.PreparePayload(blockParams)
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if err != nil {
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t.Fatalf("error preparing payload, err=%v", err)
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}
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execData, err := api.GetPayload(hexutil.Uint64(respID.PayloadID))
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if err != nil {
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t.Fatalf("error getting payload, err=%v", err)
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}
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if len(execData.Transactions) != blocks[9].Transactions().Len() {
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t.Fatalf("invalid number of transactions %d != 1", len(execData.Transactions))
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}
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}
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func checkLogEvents(t *testing.T, logsCh <-chan []*types.Log, rmLogsCh <-chan core.RemovedLogsEvent, wantNew, wantRemoved int) {
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t.Helper()
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if len(logsCh) != wantNew {
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t.Fatalf("wrong number of log events: got %d, want %d", len(logsCh), wantNew)
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}
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if len(rmLogsCh) != wantRemoved {
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t.Fatalf("wrong number of removed log events: got %d, want %d", len(rmLogsCh), wantRemoved)
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}
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// Drain events.
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for i := 0; i < len(logsCh); i++ {
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<-logsCh
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}
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for i := 0; i < len(rmLogsCh); i++ {
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<-rmLogsCh
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}
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}
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func TestEth2NewBlock(t *testing.T) {
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genesis, preMergeBlocks := generatePreMergeChain(10)
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n, ethservice := startEthService(t, genesis, preMergeBlocks)
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ethservice.Merger().ReachTTD()
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defer n.Close()
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var (
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api = NewConsensusAPI(ethservice, nil)
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parent = preMergeBlocks[len(preMergeBlocks)-1]
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// This EVM code generates a log when the contract is created.
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logCode = common.Hex2Bytes("60606040525b7f24ec1d3ff24c2f6ff210738839dbc339cd45a5294d85c79361016243157aae7b60405180905060405180910390a15b600a8060416000396000f360606040526008565b00")
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)
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// The event channels.
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newLogCh := make(chan []*types.Log, 10)
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rmLogsCh := make(chan core.RemovedLogsEvent, 10)
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ethservice.BlockChain().SubscribeLogsEvent(newLogCh)
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ethservice.BlockChain().SubscribeRemovedLogsEvent(rmLogsCh)
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for i := 0; i < 10; i++ {
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statedb, _ := ethservice.BlockChain().StateAt(parent.Root())
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nonce := statedb.GetNonce(testAddr)
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tx, _ := types.SignTx(types.NewContractCreation(nonce, new(big.Int), 1000000, big.NewInt(2*params.InitialBaseFee), logCode), types.LatestSigner(ethservice.BlockChain().Config()), testKey)
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ethservice.TxPool().AddLocal(tx)
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execData, err := api.assembleBlock(AssembleBlockParams{
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ParentHash: parent.Hash(),
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Timestamp: parent.Time() + 5,
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})
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if err != nil {
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t.Fatalf("Failed to create the executable data %v", err)
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}
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block, err := ExecutableDataToBlock(*execData)
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if err != nil {
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t.Fatalf("Failed to convert executable data to block %v", err)
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}
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newResp, err := api.ExecutePayload(*execData)
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if err != nil || newResp.Status != "VALID" {
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t.Fatalf("Failed to insert block: %v", err)
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}
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if ethservice.BlockChain().CurrentBlock().NumberU64() != block.NumberU64()-1 {
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t.Fatalf("Chain head shouldn't be updated")
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}
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checkLogEvents(t, newLogCh, rmLogsCh, 0, 0)
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if err := api.ForkchoiceUpdated(ForkChoiceParams{HeadBlockHash: block.Hash(), FinalizedBlockHash: block.Hash()}); err != nil {
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t.Fatalf("Failed to insert block: %v", err)
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}
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if ethservice.BlockChain().CurrentBlock().NumberU64() != block.NumberU64() {
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t.Fatalf("Chain head should be updated")
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}
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checkLogEvents(t, newLogCh, rmLogsCh, 1, 0)
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parent = block
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}
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// Introduce fork chain
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var (
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head = ethservice.BlockChain().CurrentBlock().NumberU64()
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)
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parent = preMergeBlocks[len(preMergeBlocks)-1]
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for i := 0; i < 10; i++ {
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execData, err := api.assembleBlock(AssembleBlockParams{
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ParentHash: parent.Hash(),
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Timestamp: parent.Time() + 6,
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})
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if err != nil {
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t.Fatalf("Failed to create the executable data %v", err)
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}
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block, err := ExecutableDataToBlock(*execData)
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if err != nil {
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t.Fatalf("Failed to convert executable data to block %v", err)
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}
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newResp, err := api.ExecutePayload(*execData)
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if err != nil || newResp.Status != "VALID" {
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t.Fatalf("Failed to insert block: %v", err)
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}
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if ethservice.BlockChain().CurrentBlock().NumberU64() != head {
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t.Fatalf("Chain head shouldn't be updated")
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}
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if err := api.ConsensusValidated(ConsensusValidatedParams{BlockHash: block.Hash(), Status: "VALID"}); err != nil {
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t.Fatalf("Failed to insert block: %v", err)
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}
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if err := api.ForkchoiceUpdated(ForkChoiceParams{FinalizedBlockHash: block.Hash(), HeadBlockHash: block.Hash()}); err != nil {
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t.Fatalf("Failed to insert block: %v", err)
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}
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if ethservice.BlockChain().CurrentBlock().NumberU64() != block.NumberU64() {
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t.Fatalf("Chain head should be updated")
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}
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parent, head = block, block.NumberU64()
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}
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}
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func TestEth2DeepReorg(t *testing.T) {
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// TODO (MariusVanDerWijden) TestEth2DeepReorg is currently broken, because it tries to reorg
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// before the totalTerminalDifficulty threshold
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/*
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genesis, preMergeBlocks := generatePreMergeChain(core.TriesInMemory * 2)
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n, ethservice := startEthService(t, genesis, preMergeBlocks)
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defer n.Close()
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var (
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api = NewConsensusAPI(ethservice, nil)
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parent = preMergeBlocks[len(preMergeBlocks)-core.TriesInMemory-1]
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head = ethservice.BlockChain().CurrentBlock().NumberU64()
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)
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if ethservice.BlockChain().HasBlockAndState(parent.Hash(), parent.NumberU64()) {
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t.Errorf("Block %d not pruned", parent.NumberU64())
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}
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for i := 0; i < 10; i++ {
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execData, err := api.assembleBlock(AssembleBlockParams{
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ParentHash: parent.Hash(),
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Timestamp: parent.Time() + 5,
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})
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if err != nil {
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t.Fatalf("Failed to create the executable data %v", err)
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}
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block, err := ExecutableDataToBlock(ethservice.BlockChain().Config(), parent.Header(), *execData)
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if err != nil {
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t.Fatalf("Failed to convert executable data to block %v", err)
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}
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newResp, err := api.ExecutePayload(*execData)
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if err != nil || newResp.Status != "VALID" {
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t.Fatalf("Failed to insert block: %v", err)
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}
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if ethservice.BlockChain().CurrentBlock().NumberU64() != head {
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t.Fatalf("Chain head shouldn't be updated")
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}
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if err := api.setHead(block.Hash()); err != nil {
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t.Fatalf("Failed to set head: %v", err)
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}
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if ethservice.BlockChain().CurrentBlock().NumberU64() != block.NumberU64() {
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t.Fatalf("Chain head should be updated")
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}
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parent, head = block, block.NumberU64()
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}
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*/
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}
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// startEthService creates a full node instance for testing.
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func startEthService(t *testing.T, genesis *core.Genesis, blocks []*types.Block) (*node.Node, *eth.Ethereum) {
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t.Helper()
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n, err := node.New(&node.Config{})
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if err != nil {
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t.Fatal("can't create node:", err)
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}
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ethcfg := ðconfig.Config{Genesis: genesis, Ethash: ethash.Config{PowMode: ethash.ModeFake}, TrieTimeout: time.Minute, TrieDirtyCache: 256, TrieCleanCache: 256}
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ethservice, err := eth.New(n, ethcfg)
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if err != nil {
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t.Fatal("can't create eth service:", err)
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}
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if err := n.Start(); err != nil {
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t.Fatal("can't start node:", err)
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}
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if _, err := ethservice.BlockChain().InsertChain(blocks); err != nil {
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n.Close()
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t.Fatal("can't import test blocks:", err)
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}
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ethservice.SetEtherbase(testAddr)
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ethservice.SetSynced()
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return n, ethservice
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}
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func TestFullAPI(t *testing.T) {
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genesis, preMergeBlocks := generatePreMergeChain(10)
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n, ethservice := startEthService(t, genesis, preMergeBlocks)
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ethservice.Merger().ReachTTD()
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defer n.Close()
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var (
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api = NewConsensusAPI(ethservice, nil)
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parent = ethservice.BlockChain().CurrentBlock()
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// This EVM code generates a log when the contract is created.
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logCode = common.Hex2Bytes("60606040525b7f24ec1d3ff24c2f6ff210738839dbc339cd45a5294d85c79361016243157aae7b60405180905060405180910390a15b600a8060416000396000f360606040526008565b00")
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)
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for i := 0; i < 10; i++ {
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statedb, _ := ethservice.BlockChain().StateAt(parent.Root())
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nonce := statedb.GetNonce(testAddr)
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tx, _ := types.SignTx(types.NewContractCreation(nonce, new(big.Int), 1000000, big.NewInt(2*params.InitialBaseFee), logCode), types.LatestSigner(ethservice.BlockChain().Config()), testKey)
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ethservice.TxPool().AddLocal(tx)
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params := AssembleBlockParams{
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ParentHash: parent.Hash(),
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Timestamp: parent.Time() + 1,
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Random: crypto.Keccak256Hash([]byte{byte(i)}),
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FeeRecipient: parent.Coinbase(),
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}
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resp, err := api.PreparePayload(params)
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if err != nil {
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t.Fatalf("can't prepare payload: %v", err)
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}
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payload, err := api.GetPayload(hexutil.Uint64(resp.PayloadID))
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if err != nil {
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t.Fatalf("can't get payload: %v", err)
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}
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execResp, err := api.ExecutePayload(*payload)
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if err != nil {
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t.Fatalf("can't execute payload: %v", err)
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}
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if execResp.Status != VALID.Status {
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t.Fatalf("invalid status: %v", execResp.Status)
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}
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if err := api.ConsensusValidated(ConsensusValidatedParams{BlockHash: payload.BlockHash, Status: VALID.Status}); err != nil {
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t.Fatalf("failed to validate consensus: %v", err)
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}
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if err := api.ForkchoiceUpdated(ForkChoiceParams{HeadBlockHash: payload.BlockHash, FinalizedBlockHash: payload.BlockHash}); err != nil {
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t.Fatalf("Failed to insert block: %v", err)
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}
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if ethservice.BlockChain().CurrentBlock().NumberU64() != payload.Number {
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t.Fatalf("Chain head should be updated")
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}
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parent = ethservice.BlockChain().CurrentBlock()
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}
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}
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