245 lines
8.0 KiB
Go
245 lines
8.0 KiB
Go
// Copyright 2022 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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"github.com/ethereum/go-ethereum/common"
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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/beacon"
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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/downloader"
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"github.com/ethereum/go-ethereum/eth/ethconfig"
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"github.com/ethereum/go-ethereum/les"
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"github.com/ethereum/go-ethereum/node"
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"github.com/ethereum/go-ethereum/params"
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"github.com/ethereum/go-ethereum/trie"
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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.Header, []*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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gblock := genesis.MustCommit(db)
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engine := ethash.NewFaker()
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blocks, _ := core.GenerateChain(config, gblock, engine, db, n, nil)
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totalDifficulty := big.NewInt(0)
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var headers []*types.Header
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for _, b := range blocks {
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totalDifficulty.Add(totalDifficulty, b.Difficulty())
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headers = append(headers, b.Header())
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}
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config.TerminalTotalDifficulty = totalDifficulty
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return genesis, headers, blocks
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}
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func TestSetHeadBeforeTotalDifficulty(t *testing.T) {
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genesis, headers, blocks := generatePreMergeChain(10)
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n, lesService := startLesService(t, genesis, headers)
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defer n.Close()
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api := NewConsensusAPI(lesService)
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fcState := beacon.ForkchoiceStateV1{
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HeadBlockHash: blocks[5].Hash(),
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SafeBlockHash: common.Hash{},
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FinalizedBlockHash: common.Hash{},
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}
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if _, err := api.ForkchoiceUpdatedV1(fcState, nil); 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 TestExecutePayloadV1(t *testing.T) {
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genesis, headers, blocks := generatePreMergeChain(10)
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n, lesService := startLesService(t, genesis, headers[:9])
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lesService.Merger().ReachTTD()
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defer n.Close()
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api := NewConsensusAPI(lesService)
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fcState := beacon.ForkchoiceStateV1{
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HeadBlockHash: blocks[8].Hash(),
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SafeBlockHash: common.Hash{},
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FinalizedBlockHash: common.Hash{},
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}
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if _, err := api.ForkchoiceUpdatedV1(fcState, nil); err != nil {
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t.Errorf("Failed to update head %v", err)
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}
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block := blocks[9]
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fakeBlock := types.NewBlock(&types.Header{
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ParentHash: block.ParentHash(),
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UncleHash: crypto.Keccak256Hash(nil),
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Coinbase: block.Coinbase(),
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Root: block.Root(),
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TxHash: crypto.Keccak256Hash(nil),
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ReceiptHash: crypto.Keccak256Hash(nil),
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Bloom: block.Bloom(),
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Difficulty: big.NewInt(0),
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Number: block.Number(),
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GasLimit: block.GasLimit(),
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GasUsed: block.GasUsed(),
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Time: block.Time(),
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Extra: block.Extra(),
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MixDigest: block.MixDigest(),
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Nonce: types.BlockNonce{},
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BaseFee: block.BaseFee(),
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}, nil, nil, nil, trie.NewStackTrie(nil))
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_, err := api.ExecutePayloadV1(beacon.ExecutableDataV1{
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ParentHash: fakeBlock.ParentHash(),
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FeeRecipient: fakeBlock.Coinbase(),
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StateRoot: fakeBlock.Root(),
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ReceiptsRoot: fakeBlock.ReceiptHash(),
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LogsBloom: fakeBlock.Bloom().Bytes(),
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Random: fakeBlock.MixDigest(),
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Number: fakeBlock.NumberU64(),
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GasLimit: fakeBlock.GasLimit(),
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GasUsed: fakeBlock.GasUsed(),
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Timestamp: fakeBlock.Time(),
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ExtraData: fakeBlock.Extra(),
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BaseFeePerGas: fakeBlock.BaseFee(),
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BlockHash: fakeBlock.Hash(),
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Transactions: encodeTransactions(fakeBlock.Transactions()),
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})
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if err != nil {
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t.Errorf("Failed to execute payload %v", err)
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}
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headHeader := api.les.BlockChain().CurrentHeader()
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if headHeader.Number.Uint64() != fakeBlock.NumberU64()-1 {
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t.Fatal("Unexpected chain head update")
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}
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fcState = beacon.ForkchoiceStateV1{
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HeadBlockHash: fakeBlock.Hash(),
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SafeBlockHash: common.Hash{},
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FinalizedBlockHash: common.Hash{},
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}
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if _, err := api.ForkchoiceUpdatedV1(fcState, nil); err != nil {
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t.Fatal("Failed to update head")
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}
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headHeader = api.les.BlockChain().CurrentHeader()
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if headHeader.Number.Uint64() != fakeBlock.NumberU64() {
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t.Fatal("Failed to update chain head")
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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.setCanonical(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 startLesService(t *testing.T, genesis *core.Genesis, headers []*types.Header) (*node.Node, *les.LightEthereum) {
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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{
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Genesis: genesis,
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Ethash: ethash.Config{PowMode: ethash.ModeFake},
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SyncMode: downloader.LightSync,
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TrieDirtyCache: 256,
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TrieCleanCache: 256,
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LightPeers: 10,
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}
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lesService, err := les.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 := lesService.BlockChain().InsertHeaderChain(headers, 0); err != nil {
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n.Close()
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t.Fatal("can't import test headers:", err)
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}
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return n, lesService
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}
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func encodeTransactions(txs []*types.Transaction) [][]byte {
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var enc = make([][]byte, len(txs))
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for i, tx := range txs {
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enc[i], _ = tx.MarshalBinary()
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}
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return enc
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}
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