d4bb3798d8
This PR adds a new unit test in miner package which will create some blocks from miner and then import into another chain. In this way, we can ensure all blocks generated by Geth miner obey consensus rules.
584 lines
17 KiB
Go
584 lines
17 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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"math/big"
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"math/rand"
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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/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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GasFloor: params.GenesisGasLimit,
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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 = params.TestChainConfig
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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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tx1, _ := types.SignTx(types.NewTransaction(0, testUserAddress, big.NewInt(1000), params.TxGas, nil, nil), types.HomesteadSigner{}, testBankKey)
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pendingTxs = append(pendingTxs, tx1)
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tx2, _ := types.SignTx(types.NewTransaction(1, testUserAddress, big.NewInt(1000), params.TxGas, nil, nil), types.HomesteadSigner{}, testBankKey)
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newTxs = append(newTxs, tx2)
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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)
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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) PostChainEvents(events []interface{}) {
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b.chain.PostChainEvents(events, nil)
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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 common.Address
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rand.Read(addr.Bytes())
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gen.SetCoinbase(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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if creation {
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tx, _ = types.SignTx(types.NewContractCreation(b.txPool.Nonce(testBankAddress), big.NewInt(0), testGas, nil, 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, nil, 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)
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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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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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w, b := newTestWorker(t, chainConfig, engine, db, 0)
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defer w.close()
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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)
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defer chain.Stop()
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newBlock := make(chan struct{})
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listenNewBlock := func() {
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sub := w.mux.Subscribe(core.NewMinedBlockEvent{})
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defer sub.Unsubscribe()
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for item := range sub.Chan() {
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block := item.Data.(core.NewMinedBlockEvent).Block
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_, err := chain.InsertChain([]*types.Block{block})
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if err != nil {
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t.Fatalf("Failed to insert new mined block:%d, error:%v", block.NumberU64(), err)
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}
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newBlock <- struct{}{}
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}
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}
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// Ensure worker has finished initialization
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for {
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b := w.pendingBlock()
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if b != nil && b.NumberU64() == 1 {
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break
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}
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}
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w.start() // Start mining!
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// Ignore first 2 commits caused by start operation
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ignored := make(chan struct{}, 2)
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w.skipSealHook = func(task *task) bool {
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ignored <- struct{}{}
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return true
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}
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for i := 0; i < 2; i++ {
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<-ignored
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}
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go listenNewBlock()
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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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for i := 0; i < 50; 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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b.PostChainEvents([]interface{}{core.ChainSideEvent{Block: b.newRandomUncle()}})
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b.PostChainEvents([]interface{}{core.ChainSideEvent{Block: b.newRandomUncle()}})
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select {
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case <-newBlock:
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case <-time.NewTimer(time.Millisecond * 1500).C: // 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 TestPendingStateAndBlockEthash(t *testing.T) {
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testPendingStateAndBlock(t, ethashChainConfig, ethash.NewFaker())
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}
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func TestPendingStateAndBlockClique(t *testing.T) {
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testPendingStateAndBlock(t, cliqueChainConfig, clique.New(cliqueChainConfig.Clique, rawdb.NewMemoryDatabase()))
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}
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func testPendingStateAndBlock(t *testing.T, chainConfig *params.ChainConfig, engine consensus.Engine) {
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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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// Ensure snapshot has been updated.
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time.Sleep(100 * time.Millisecond)
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block, state := w.pending()
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if block.NumberU64() != 1 {
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t.Errorf("block number mismatch: have %d, want %d", block.NumberU64(), 1)
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}
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if balance := state.GetBalance(testUserAddress); balance.Cmp(big.NewInt(1000)) != 0 {
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t.Errorf("account balance mismatch: have %d, want %d", balance, 1000)
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}
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b.txPool.AddLocals(newTxs)
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// Ensure the new tx events has been processed
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time.Sleep(100 * time.Millisecond)
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block, state = w.pending()
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if balance := state.GetBalance(testUserAddress); balance.Cmp(big.NewInt(2000)) != 0 {
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t.Errorf("account balance mismatch: have %d, want %d", balance, 2000)
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}
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}
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func TestEmptyWorkEthash(t *testing.T) {
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testEmptyWork(t, ethashChainConfig, ethash.NewFaker())
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}
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func TestEmptyWorkClique(t *testing.T) {
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testEmptyWork(t, cliqueChainConfig, clique.New(cliqueChainConfig.Clique, rawdb.NewMemoryDatabase()))
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}
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func testEmptyWork(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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var (
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taskCh = make(chan struct{}, 2)
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taskIndex int
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)
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checkEqual := func(t *testing.T, task *task, index int) {
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receiptLen, balance := 0, big.NewInt(0)
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if index == 1 {
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receiptLen, balance = 1, big.NewInt(1000)
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}
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if len(task.receipts) != receiptLen {
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t.Errorf("receipt number mismatch: have %d, want %d", len(task.receipts), receiptLen)
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}
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if task.state.GetBalance(testUserAddress).Cmp(balance) != 0 {
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t.Errorf("account balance mismatch: have %d, want %d", task.state.GetBalance(testUserAddress), balance)
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}
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}
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w.newTaskHook = func(task *task) {
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if task.block.NumberU64() == 1 {
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checkEqual(t, task, taskIndex)
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taskIndex += 1
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taskCh <- struct{}{}
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}
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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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// Ensure worker has finished initialization
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for {
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b := w.pendingBlock()
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if b != nil && b.NumberU64() == 1 {
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break
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}
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}
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w.start()
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for i := 0; i < 2; i += 1 {
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select {
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case <-taskCh:
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case <-time.NewTimer(2 * time.Second).C:
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t.Error("new task timeout")
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}
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}
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}
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func TestStreamUncleBlock(t *testing.T) {
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ethash := ethash.NewFaker()
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defer ethash.Close()
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w, b := newTestWorker(t, ethashChainConfig, ethash, rawdb.NewMemoryDatabase(), 1)
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defer w.close()
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var taskCh = make(chan struct{})
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taskIndex := 0
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w.newTaskHook = func(task *task) {
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if task.block.NumberU64() == 2 {
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if taskIndex == 2 {
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have := task.block.Header().UncleHash
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want := types.CalcUncleHash([]*types.Header{b.uncleBlock.Header()})
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if have != want {
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t.Errorf("uncle hash mismatch: have %s, want %s", have.Hex(), want.Hex())
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}
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}
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taskCh <- struct{}{}
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taskIndex += 1
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}
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}
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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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// Ensure worker has finished initialization
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for {
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b := w.pendingBlock()
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if b != nil && b.NumberU64() == 2 {
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break
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}
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}
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w.start()
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// Ignore the first two works
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for i := 0; i < 2; i += 1 {
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select {
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case <-taskCh:
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case <-time.NewTimer(time.Second).C:
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t.Error("new task timeout")
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}
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}
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b.PostChainEvents([]interface{}{core.ChainSideEvent{Block: b.uncleBlock}})
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select {
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case <-taskCh:
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case <-time.NewTimer(time.Second).C:
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t.Error("new task timeout")
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}
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}
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func TestRegenerateMiningBlockEthash(t *testing.T) {
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testRegenerateMiningBlock(t, ethashChainConfig, ethash.NewFaker())
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}
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func TestRegenerateMiningBlockClique(t *testing.T) {
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testRegenerateMiningBlock(t, cliqueChainConfig, clique.New(cliqueChainConfig.Clique, rawdb.NewMemoryDatabase()))
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}
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func testRegenerateMiningBlock(t *testing.T, chainConfig *params.ChainConfig, engine consensus.Engine) {
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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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var taskCh = make(chan struct{})
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taskIndex := 0
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w.newTaskHook = func(task *task) {
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if task.block.NumberU64() == 1 {
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if taskIndex == 2 {
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receiptLen, balance := 2, big.NewInt(2000)
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if len(task.receipts) != receiptLen {
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t.Errorf("receipt number mismatch: have %d, want %d", len(task.receipts), receiptLen)
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}
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if task.state.GetBalance(testUserAddress).Cmp(balance) != 0 {
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t.Errorf("account balance mismatch: have %d, want %d", task.state.GetBalance(testUserAddress), balance)
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}
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}
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taskCh <- struct{}{}
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taskIndex += 1
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}
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}
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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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// Ensure worker has finished initialization
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for {
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b := w.pendingBlock()
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if b != nil && b.NumberU64() == 1 {
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break
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}
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}
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w.start()
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// Ignore the first two works
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for i := 0; i < 2; i += 1 {
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select {
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case <-taskCh:
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case <-time.NewTimer(time.Second).C:
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t.Error("new task timeout")
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}
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}
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|
b.txPool.AddLocals(newTxs)
|
|
time.Sleep(time.Second)
|
|
|
|
select {
|
|
case <-taskCh:
|
|
case <-time.NewTimer(time.Second).C:
|
|
t.Error("new task timeout")
|
|
}
|
|
}
|
|
|
|
func TestAdjustIntervalEthash(t *testing.T) {
|
|
testAdjustInterval(t, ethashChainConfig, ethash.NewFaker())
|
|
}
|
|
|
|
func TestAdjustIntervalClique(t *testing.T) {
|
|
testAdjustInterval(t, cliqueChainConfig, clique.New(cliqueChainConfig.Clique, rawdb.NewMemoryDatabase()))
|
|
}
|
|
|
|
func testAdjustInterval(t *testing.T, chainConfig *params.ChainConfig, engine consensus.Engine) {
|
|
defer engine.Close()
|
|
|
|
w, _ := newTestWorker(t, chainConfig, engine, rawdb.NewMemoryDatabase(), 0)
|
|
defer w.close()
|
|
|
|
w.skipSealHook = func(task *task) bool {
|
|
return true
|
|
}
|
|
w.fullTaskHook = func() {
|
|
time.Sleep(100 * time.Millisecond)
|
|
}
|
|
var (
|
|
progress = make(chan struct{}, 10)
|
|
result = make([]float64, 0, 10)
|
|
index = 0
|
|
start = false
|
|
)
|
|
w.resubmitHook = func(minInterval time.Duration, recommitInterval time.Duration) {
|
|
// Short circuit if interval checking hasn't started.
|
|
if !start {
|
|
return
|
|
}
|
|
var wantMinInterval, wantRecommitInterval time.Duration
|
|
|
|
switch index {
|
|
case 0:
|
|
wantMinInterval, wantRecommitInterval = 3*time.Second, 3*time.Second
|
|
case 1:
|
|
origin := float64(3 * time.Second.Nanoseconds())
|
|
estimate := origin*(1-intervalAdjustRatio) + intervalAdjustRatio*(origin/0.8+intervalAdjustBias)
|
|
wantMinInterval, wantRecommitInterval = 3*time.Second, time.Duration(estimate)*time.Nanosecond
|
|
case 2:
|
|
estimate := result[index-1]
|
|
min := float64(3 * time.Second.Nanoseconds())
|
|
estimate = estimate*(1-intervalAdjustRatio) + intervalAdjustRatio*(min-intervalAdjustBias)
|
|
wantMinInterval, wantRecommitInterval = 3*time.Second, time.Duration(estimate)*time.Nanosecond
|
|
case 3:
|
|
wantMinInterval, wantRecommitInterval = time.Second, time.Second
|
|
}
|
|
|
|
// Check interval
|
|
if minInterval != wantMinInterval {
|
|
t.Errorf("resubmit min interval mismatch: have %v, want %v ", minInterval, wantMinInterval)
|
|
}
|
|
if recommitInterval != wantRecommitInterval {
|
|
t.Errorf("resubmit interval mismatch: have %v, want %v", recommitInterval, wantRecommitInterval)
|
|
}
|
|
result = append(result, float64(recommitInterval.Nanoseconds()))
|
|
index += 1
|
|
progress <- struct{}{}
|
|
}
|
|
// Ensure worker has finished initialization
|
|
for {
|
|
b := w.pendingBlock()
|
|
if b != nil && b.NumberU64() == 1 {
|
|
break
|
|
}
|
|
}
|
|
|
|
w.start()
|
|
|
|
time.Sleep(time.Second)
|
|
|
|
start = true
|
|
w.setRecommitInterval(3 * time.Second)
|
|
select {
|
|
case <-progress:
|
|
case <-time.NewTimer(time.Second).C:
|
|
t.Error("interval reset timeout")
|
|
}
|
|
|
|
w.resubmitAdjustCh <- &intervalAdjust{inc: true, ratio: 0.8}
|
|
select {
|
|
case <-progress:
|
|
case <-time.NewTimer(time.Second).C:
|
|
t.Error("interval reset timeout")
|
|
}
|
|
|
|
w.resubmitAdjustCh <- &intervalAdjust{inc: false}
|
|
select {
|
|
case <-progress:
|
|
case <-time.NewTimer(time.Second).C:
|
|
t.Error("interval reset timeout")
|
|
}
|
|
|
|
w.setRecommitInterval(500 * time.Millisecond)
|
|
select {
|
|
case <-progress:
|
|
case <-time.NewTimer(time.Second).C:
|
|
t.Error("interval reset timeout")
|
|
}
|
|
}
|