507 lines
16 KiB
Go
507 lines
16 KiB
Go
// Copyright 2018 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 miner
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import (
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"errors"
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"math/big"
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"math/rand"
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"sync/atomic"
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"testing"
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"time"
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"github.com/ethereum/go-ethereum/accounts"
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"github.com/ethereum/go-ethereum/common"
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"github.com/ethereum/go-ethereum/consensus"
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"github.com/ethereum/go-ethereum/consensus/clique"
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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/state"
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"github.com/ethereum/go-ethereum/core/types"
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"github.com/ethereum/go-ethereum/core/vm"
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"github.com/ethereum/go-ethereum/crypto"
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"github.com/ethereum/go-ethereum/ethdb"
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"github.com/ethereum/go-ethereum/event"
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"github.com/ethereum/go-ethereum/params"
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)
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const (
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// testCode is the testing contract binary code which will initialises some
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// variables in constructor
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testCode = "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"
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// testGas is the gas required for contract deployment.
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testGas = 144109
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)
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var (
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// Test chain configurations
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testTxPoolConfig core.TxPoolConfig
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ethashChainConfig *params.ChainConfig
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cliqueChainConfig *params.ChainConfig
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// Test accounts
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testBankKey, _ = crypto.GenerateKey()
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testBankAddress = crypto.PubkeyToAddress(testBankKey.PublicKey)
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testBankFunds = big.NewInt(1000000000000000000)
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testUserKey, _ = crypto.GenerateKey()
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testUserAddress = crypto.PubkeyToAddress(testUserKey.PublicKey)
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// Test transactions
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pendingTxs []*types.Transaction
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newTxs []*types.Transaction
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testConfig = &Config{
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Recommit: time.Second,
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GasCeil: params.GenesisGasLimit,
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}
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)
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func init() {
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testTxPoolConfig = core.DefaultTxPoolConfig
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testTxPoolConfig.Journal = ""
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ethashChainConfig = new(params.ChainConfig)
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*ethashChainConfig = *params.TestChainConfig
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cliqueChainConfig = new(params.ChainConfig)
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*cliqueChainConfig = *params.TestChainConfig
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cliqueChainConfig.Clique = ¶ms.CliqueConfig{
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Period: 10,
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Epoch: 30000,
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}
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signer := types.LatestSigner(params.TestChainConfig)
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tx1 := types.MustSignNewTx(testBankKey, signer, &types.AccessListTx{
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ChainID: params.TestChainConfig.ChainID,
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Nonce: 0,
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To: &testUserAddress,
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Value: big.NewInt(1000),
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Gas: params.TxGas,
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GasPrice: big.NewInt(params.InitialBaseFee),
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})
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pendingTxs = append(pendingTxs, tx1)
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tx2 := types.MustSignNewTx(testBankKey, signer, &types.LegacyTx{
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Nonce: 1,
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To: &testUserAddress,
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Value: big.NewInt(1000),
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Gas: params.TxGas,
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GasPrice: big.NewInt(params.InitialBaseFee),
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})
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newTxs = append(newTxs, tx2)
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rand.Seed(time.Now().UnixNano())
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}
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// testWorkerBackend implements worker.Backend interfaces and wraps all information needed during the testing.
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type testWorkerBackend struct {
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db ethdb.Database
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txPool *core.TxPool
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chain *core.BlockChain
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testTxFeed event.Feed
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genesis *core.Genesis
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uncleBlock *types.Block
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}
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func newTestWorkerBackend(t *testing.T, chainConfig *params.ChainConfig, engine consensus.Engine, db ethdb.Database, n int) *testWorkerBackend {
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var gspec = core.Genesis{
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Config: chainConfig,
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Alloc: core.GenesisAlloc{testBankAddress: {Balance: testBankFunds}},
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}
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switch e := engine.(type) {
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case *clique.Clique:
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gspec.ExtraData = make([]byte, 32+common.AddressLength+crypto.SignatureLength)
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copy(gspec.ExtraData[32:32+common.AddressLength], testBankAddress.Bytes())
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e.Authorize(testBankAddress, func(account accounts.Account, s string, data []byte) ([]byte, error) {
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return crypto.Sign(crypto.Keccak256(data), testBankKey)
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})
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case *ethash.Ethash:
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default:
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t.Fatalf("unexpected consensus engine type: %T", engine)
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}
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genesis := gspec.MustCommit(db)
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chain, _ := core.NewBlockChain(db, &core.CacheConfig{TrieDirtyDisabled: true}, gspec.Config, engine, vm.Config{}, nil, nil)
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txpool := core.NewTxPool(testTxPoolConfig, chainConfig, chain)
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// Generate a small n-block chain and an uncle block for it
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if n > 0 {
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blocks, _ := core.GenerateChain(chainConfig, genesis, engine, db, n, func(i int, gen *core.BlockGen) {
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gen.SetCoinbase(testBankAddress)
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})
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if _, err := chain.InsertChain(blocks); err != nil {
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t.Fatalf("failed to insert origin chain: %v", err)
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}
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}
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parent := genesis
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if n > 0 {
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parent = chain.GetBlockByHash(chain.CurrentBlock().ParentHash())
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}
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blocks, _ := core.GenerateChain(chainConfig, parent, engine, db, 1, func(i int, gen *core.BlockGen) {
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gen.SetCoinbase(testUserAddress)
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})
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return &testWorkerBackend{
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db: db,
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chain: chain,
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txPool: txpool,
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genesis: &gspec,
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uncleBlock: blocks[0],
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}
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}
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func (b *testWorkerBackend) BlockChain() *core.BlockChain { return b.chain }
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func (b *testWorkerBackend) TxPool() *core.TxPool { return b.txPool }
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func (b *testWorkerBackend) StateAtBlock(block *types.Block, reexec uint64, base *state.StateDB, checkLive bool, preferDisk bool) (statedb *state.StateDB, err error) {
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return nil, errors.New("not supported")
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}
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func (b *testWorkerBackend) newRandomUncle() *types.Block {
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var parent *types.Block
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cur := b.chain.CurrentBlock()
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if cur.NumberU64() == 0 {
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parent = b.chain.Genesis()
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} else {
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parent = b.chain.GetBlockByHash(b.chain.CurrentBlock().ParentHash())
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}
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blocks, _ := core.GenerateChain(b.chain.Config(), parent, b.chain.Engine(), b.db, 1, func(i int, gen *core.BlockGen) {
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var addr = make([]byte, common.AddressLength)
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rand.Read(addr)
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gen.SetCoinbase(common.BytesToAddress(addr))
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})
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return blocks[0]
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}
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func (b *testWorkerBackend) newRandomTx(creation bool) *types.Transaction {
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var tx *types.Transaction
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gasPrice := big.NewInt(10 * params.InitialBaseFee)
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if creation {
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tx, _ = types.SignTx(types.NewContractCreation(b.txPool.Nonce(testBankAddress), big.NewInt(0), testGas, gasPrice, common.FromHex(testCode)), types.HomesteadSigner{}, testBankKey)
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} else {
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tx, _ = types.SignTx(types.NewTransaction(b.txPool.Nonce(testBankAddress), testUserAddress, big.NewInt(1000), params.TxGas, gasPrice, nil), types.HomesteadSigner{}, testBankKey)
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}
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return tx
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}
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func newTestWorker(t *testing.T, chainConfig *params.ChainConfig, engine consensus.Engine, db ethdb.Database, blocks int) (*worker, *testWorkerBackend) {
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backend := newTestWorkerBackend(t, chainConfig, engine, db, blocks)
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backend.txPool.AddLocals(pendingTxs)
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w := newWorker(testConfig, chainConfig, engine, backend, new(event.TypeMux), nil, false)
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w.setEtherbase(testBankAddress)
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return w, backend
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}
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func TestGenerateBlockAndImportEthash(t *testing.T) {
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testGenerateBlockAndImport(t, false)
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}
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func TestGenerateBlockAndImportClique(t *testing.T) {
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testGenerateBlockAndImport(t, true)
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}
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func testGenerateBlockAndImport(t *testing.T, isClique bool) {
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var (
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engine consensus.Engine
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chainConfig *params.ChainConfig
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db = rawdb.NewMemoryDatabase()
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)
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if isClique {
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chainConfig = params.AllCliqueProtocolChanges
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chainConfig.Clique = ¶ms.CliqueConfig{Period: 1, Epoch: 30000}
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engine = clique.New(chainConfig.Clique, db)
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} else {
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chainConfig = params.AllEthashProtocolChanges
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engine = ethash.NewFaker()
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}
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chainConfig.LondonBlock = big.NewInt(0)
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w, b := newTestWorker(t, chainConfig, engine, db, 0)
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defer w.close()
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// This test chain imports the mined blocks.
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db2 := rawdb.NewMemoryDatabase()
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b.genesis.MustCommit(db2)
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chain, _ := core.NewBlockChain(db2, nil, b.chain.Config(), engine, vm.Config{}, nil, nil)
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defer chain.Stop()
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// Ignore empty commit here for less noise.
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w.skipSealHook = func(task *task) bool {
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return len(task.receipts) == 0
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}
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// Wait for mined blocks.
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sub := w.mux.Subscribe(core.NewMinedBlockEvent{})
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defer sub.Unsubscribe()
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// Start mining!
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w.start()
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for i := 0; i < 5; i++ {
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b.txPool.AddLocal(b.newRandomTx(true))
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b.txPool.AddLocal(b.newRandomTx(false))
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w.postSideBlock(core.ChainSideEvent{Block: b.newRandomUncle()})
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w.postSideBlock(core.ChainSideEvent{Block: b.newRandomUncle()})
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select {
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case ev := <-sub.Chan():
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block := ev.Data.(core.NewMinedBlockEvent).Block
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if _, err := chain.InsertChain([]*types.Block{block}); err != nil {
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t.Fatalf("failed to insert new mined block %d: %v", block.NumberU64(), err)
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}
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case <-time.After(3 * time.Second): // Worker needs 1s to include new changes.
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t.Fatalf("timeout")
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}
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}
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}
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func TestAdjustIntervalEthash(t *testing.T) {
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testAdjustInterval(t, ethashChainConfig, ethash.NewFaker())
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}
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func TestAdjustIntervalClique(t *testing.T) {
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testAdjustInterval(t, cliqueChainConfig, clique.New(cliqueChainConfig.Clique, rawdb.NewMemoryDatabase()))
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}
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func testAdjustInterval(t *testing.T, chainConfig *params.ChainConfig, engine consensus.Engine) {
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defer engine.Close()
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w, _ := newTestWorker(t, chainConfig, engine, rawdb.NewMemoryDatabase(), 0)
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defer w.close()
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w.skipSealHook = func(task *task) bool {
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return true
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}
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w.fullTaskHook = func() {
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time.Sleep(100 * time.Millisecond)
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}
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var (
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progress = make(chan struct{}, 10)
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result = make([]float64, 0, 10)
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index = 0
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start uint32
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)
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w.resubmitHook = func(minInterval time.Duration, recommitInterval time.Duration) {
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// Short circuit if interval checking hasn't started.
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if atomic.LoadUint32(&start) == 0 {
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return
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}
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var wantMinInterval, wantRecommitInterval time.Duration
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switch index {
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case 0:
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wantMinInterval, wantRecommitInterval = 3*time.Second, 3*time.Second
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case 1:
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origin := float64(3 * time.Second.Nanoseconds())
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estimate := origin*(1-intervalAdjustRatio) + intervalAdjustRatio*(origin/0.8+intervalAdjustBias)
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wantMinInterval, wantRecommitInterval = 3*time.Second, time.Duration(estimate)*time.Nanosecond
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case 2:
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estimate := result[index-1]
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min := float64(3 * time.Second.Nanoseconds())
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estimate = estimate*(1-intervalAdjustRatio) + intervalAdjustRatio*(min-intervalAdjustBias)
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wantMinInterval, wantRecommitInterval = 3*time.Second, time.Duration(estimate)*time.Nanosecond
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case 3:
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wantMinInterval, wantRecommitInterval = time.Second, time.Second
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}
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// Check interval
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if minInterval != wantMinInterval {
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t.Errorf("resubmit min interval mismatch: have %v, want %v ", minInterval, wantMinInterval)
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}
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if recommitInterval != wantRecommitInterval {
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t.Errorf("resubmit interval mismatch: have %v, want %v", recommitInterval, wantRecommitInterval)
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}
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result = append(result, float64(recommitInterval.Nanoseconds()))
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index += 1
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progress <- struct{}{}
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}
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w.start()
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time.Sleep(time.Second) // Ensure two tasks have been summitted due to start opt
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atomic.StoreUint32(&start, 1)
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w.setRecommitInterval(3 * time.Second)
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select {
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case <-progress:
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case <-time.NewTimer(time.Second).C:
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t.Error("interval reset timeout")
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}
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w.resubmitAdjustCh <- &intervalAdjust{inc: true, ratio: 0.8}
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select {
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case <-progress:
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case <-time.NewTimer(time.Second).C:
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t.Error("interval reset timeout")
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}
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w.resubmitAdjustCh <- &intervalAdjust{inc: false}
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select {
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case <-progress:
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case <-time.NewTimer(time.Second).C:
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t.Error("interval reset timeout")
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}
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w.setRecommitInterval(500 * time.Millisecond)
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select {
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case <-progress:
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case <-time.NewTimer(time.Second).C:
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t.Error("interval reset timeout")
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}
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}
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func TestGetSealingWorkEthash(t *testing.T) {
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testGetSealingWork(t, ethashChainConfig, ethash.NewFaker(), false)
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}
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func TestGetSealingWorkClique(t *testing.T) {
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testGetSealingWork(t, cliqueChainConfig, clique.New(cliqueChainConfig.Clique, rawdb.NewMemoryDatabase()), false)
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}
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func TestGetSealingWorkPostMerge(t *testing.T) {
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local := new(params.ChainConfig)
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*local = *ethashChainConfig
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local.TerminalTotalDifficulty = big.NewInt(0)
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testGetSealingWork(t, local, ethash.NewFaker(), true)
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}
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func testGetSealingWork(t *testing.T, chainConfig *params.ChainConfig, engine consensus.Engine, postMerge bool) {
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defer engine.Close()
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w, b := newTestWorker(t, chainConfig, engine, rawdb.NewMemoryDatabase(), 0)
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defer w.close()
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w.setExtra([]byte{0x01, 0x02})
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w.postSideBlock(core.ChainSideEvent{Block: b.uncleBlock})
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w.skipSealHook = func(task *task) bool {
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return true
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}
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w.fullTaskHook = func() {
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time.Sleep(100 * time.Millisecond)
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}
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timestamp := uint64(time.Now().Unix())
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assertBlock := func(block *types.Block, number uint64, coinbase common.Address, random common.Hash) {
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if block.Time() != timestamp {
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// Sometime the timestamp will be mutated if the timestamp
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// is even smaller than parent block's. It's OK.
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t.Logf("Invalid timestamp, want %d, get %d", timestamp, block.Time())
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}
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if len(block.Uncles()) != 0 {
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t.Error("Unexpected uncle block")
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}
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_, isClique := engine.(*clique.Clique)
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if !isClique {
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if len(block.Extra()) != 0 {
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t.Error("Unexpected extra field")
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}
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if block.Coinbase() != coinbase {
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t.Errorf("Unexpected coinbase got %x want %x", block.Coinbase(), coinbase)
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}
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} else {
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if block.Coinbase() != (common.Address{}) {
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t.Error("Unexpected coinbase")
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}
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}
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if !isClique {
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if block.MixDigest() != random {
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t.Error("Unexpected mix digest")
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}
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}
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if block.Nonce() != 0 {
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t.Error("Unexpected block nonce")
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}
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if block.NumberU64() != number {
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t.Errorf("Mismatched block number, want %d got %d", number, block.NumberU64())
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}
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}
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var cases = []struct {
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parent common.Hash
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coinbase common.Address
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random common.Hash
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expectNumber uint64
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expectErr bool
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}{
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{
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b.chain.Genesis().Hash(),
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common.HexToAddress("0xdeadbeef"),
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common.HexToHash("0xcafebabe"),
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uint64(1),
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false,
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},
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{
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b.chain.CurrentBlock().Hash(),
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common.HexToAddress("0xdeadbeef"),
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common.HexToHash("0xcafebabe"),
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b.chain.CurrentBlock().NumberU64() + 1,
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false,
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},
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{
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b.chain.CurrentBlock().Hash(),
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common.Address{},
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common.HexToHash("0xcafebabe"),
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b.chain.CurrentBlock().NumberU64() + 1,
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false,
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},
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{
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b.chain.CurrentBlock().Hash(),
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common.Address{},
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common.Hash{},
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b.chain.CurrentBlock().NumberU64() + 1,
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false,
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},
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{
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common.HexToHash("0xdeadbeef"),
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common.HexToAddress("0xdeadbeef"),
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|
common.HexToHash("0xcafebabe"),
|
|
0,
|
|
true,
|
|
},
|
|
}
|
|
|
|
// This API should work even when the automatic sealing is not enabled
|
|
for _, c := range cases {
|
|
block, err := w.getSealingBlock(c.parent, timestamp, c.coinbase, c.random)
|
|
if c.expectErr {
|
|
if err == nil {
|
|
t.Error("Expect error but get nil")
|
|
}
|
|
} else {
|
|
if err != nil {
|
|
t.Errorf("Unexpected error %v", err)
|
|
}
|
|
assertBlock(block, c.expectNumber, c.coinbase, c.random)
|
|
}
|
|
}
|
|
|
|
// This API should work even when the automatic sealing is enabled
|
|
w.start()
|
|
for _, c := range cases {
|
|
block, err := w.getSealingBlock(c.parent, timestamp, c.coinbase, c.random)
|
|
if c.expectErr {
|
|
if err == nil {
|
|
t.Error("Expect error but get nil")
|
|
}
|
|
} else {
|
|
if err != nil {
|
|
t.Errorf("Unexpected error %v", err)
|
|
}
|
|
assertBlock(block, c.expectNumber, c.coinbase, c.random)
|
|
}
|
|
}
|
|
}
|