forked from cerc-io/plugeth
b818e73ef3
This PR builds on #26299, but also updates the tests to the most recent version, which includes tests regarding TheMerge. This change adds checks to the beacon consensus engine, making it more strict in validating the pre- and post-headers, and not relying on the caller to have already correctly sanitized the headers/blocks.
253 lines
8.3 KiB
Go
253 lines
8.3 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/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(pre, post int) (*core.Genesis, []*types.Header, []*types.Block, []*types.Header, []*types.Block) {
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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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// Pre-merge blocks
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db, preBLocks, _ := core.GenerateChainWithGenesis(genesis, ethash.NewFaker(), pre, nil)
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totalDifficulty := new(big.Int).Set(params.GenesisDifficulty)
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var preHeaders []*types.Header
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for _, b := range preBLocks {
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totalDifficulty.Add(totalDifficulty, b.Difficulty())
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preHeaders = append(preHeaders, b.Header())
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}
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config.TerminalTotalDifficulty = totalDifficulty
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// Post-merge blocks
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postBlocks, _ := core.GenerateChain(genesis.Config,
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preBLocks[len(preBLocks)-1], ethash.NewFaker(), db, post,
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func(i int, b *core.BlockGen) {
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b.SetPoS()
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})
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var postHeaders []*types.Header
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for _, b := range postBlocks {
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postHeaders = append(postHeaders, b.Header())
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}
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return genesis, preHeaders, preBLocks, postHeaders, postBlocks
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}
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func TestSetHeadBeforeTotalDifficulty(t *testing.T) {
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genesis, headers, blocks, _, _ := generatePreMergeChain(10, 0)
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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, _, _, postBlocks := generatePreMergeChain(10, 2)
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n, lesService := startLesService(t, genesis, headers)
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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: postBlocks[0].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 := postBlocks[0]
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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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