144 lines
4.1 KiB
Go
144 lines
4.1 KiB
Go
// Copyright 2016 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 light
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import (
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"context"
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"math"
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"math/big"
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"testing"
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"time"
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"github.com/ethereum/go-ethereum/common"
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"github.com/ethereum/go-ethereum/consensus/ethash"
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"github.com/ethereum/go-ethereum/core"
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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/ethdb"
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"github.com/ethereum/go-ethereum/params"
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)
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type testTxRelay struct {
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send, discard, mined chan int
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}
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func (self *testTxRelay) Send(txs types.Transactions) {
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self.send <- len(txs)
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}
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func (self *testTxRelay) NewHead(head common.Hash, mined []common.Hash, rollback []common.Hash) {
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m := len(mined)
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if m != 0 {
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self.mined <- m
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}
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}
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func (self *testTxRelay) Discard(hashes []common.Hash) {
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self.discard <- len(hashes)
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}
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const poolTestTxs = 1000
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const poolTestBlocks = 100
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// test tx 0..n-1
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var testTx [poolTestTxs]*types.Transaction
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// txs sent before block i
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func sentTx(i int) int {
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return int(math.Pow(float64(i)/float64(poolTestBlocks), 0.9) * poolTestTxs)
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}
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// txs included in block i or before that (minedTx(i) <= sentTx(i))
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func minedTx(i int) int {
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return int(math.Pow(float64(i)/float64(poolTestBlocks), 1.1) * poolTestTxs)
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}
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func txPoolTestChainGen(i int, block *core.BlockGen) {
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s := minedTx(i)
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e := minedTx(i + 1)
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for i := s; i < e; i++ {
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block.AddTx(testTx[i])
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}
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}
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func TestTxPool(t *testing.T) {
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for i := range testTx {
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testTx[i], _ = types.SignTx(types.NewTransaction(uint64(i), acc1Addr, big.NewInt(10000), params.TxGas, nil, nil), types.HomesteadSigner{}, testBankKey)
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}
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var (
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sdb = ethdb.NewMemDatabase()
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ldb = ethdb.NewMemDatabase()
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gspec = core.Genesis{Alloc: core.GenesisAlloc{testBankAddress: {Balance: testBankFunds}}}
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genesis = gspec.MustCommit(sdb)
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)
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gspec.MustCommit(ldb)
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// Assemble the test environment
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blockchain, _ := core.NewBlockChain(sdb, nil, params.TestChainConfig, ethash.NewFullFaker(), vm.Config{}, nil)
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gchain, _ := core.GenerateChain(params.TestChainConfig, genesis, ethash.NewFaker(), sdb, poolTestBlocks, txPoolTestChainGen)
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if _, err := blockchain.InsertChain(gchain); err != nil {
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panic(err)
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}
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odr := &testOdr{sdb: sdb, ldb: ldb, indexerConfig: TestClientIndexerConfig}
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relay := &testTxRelay{
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send: make(chan int, 1),
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discard: make(chan int, 1),
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mined: make(chan int, 1),
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}
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lightchain, _ := NewLightChain(odr, params.TestChainConfig, ethash.NewFullFaker())
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txPermanent = 50
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pool := NewTxPool(params.TestChainConfig, lightchain, relay)
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ctx, cancel := context.WithTimeout(context.Background(), 1*time.Second)
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defer cancel()
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for ii, block := range gchain {
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i := ii + 1
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s := sentTx(i - 1)
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e := sentTx(i)
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for i := s; i < e; i++ {
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pool.Add(ctx, testTx[i])
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got := <-relay.send
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exp := 1
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if got != exp {
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t.Errorf("relay.Send expected len = %d, got %d", exp, got)
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}
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}
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if _, err := lightchain.InsertHeaderChain([]*types.Header{block.Header()}, 1); err != nil {
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panic(err)
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}
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got := <-relay.mined
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exp := minedTx(i) - minedTx(i-1)
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if got != exp {
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t.Errorf("relay.NewHead expected len(mined) = %d, got %d", exp, got)
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}
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exp = 0
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if i > int(txPermanent)+1 {
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exp = minedTx(i-int(txPermanent)-1) - minedTx(i-int(txPermanent)-2)
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}
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if exp != 0 {
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got = <-relay.discard
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if got != exp {
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t.Errorf("relay.Discard expected len = %d, got %d", exp, got)
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}
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}
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}
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}
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