github.com/cheng762/platon-go@v1.8.17-0.20190529111256-7deff2d7be26/light/txpool_test.go (about)

     1  // Copyright 2016 The go-ethereum Authors
     2  // This file is part of the go-ethereum library.
     3  //
     4  // The go-ethereum library is free software: you can redistribute it and/or modify
     5  // it under the terms of the GNU Lesser General Public License as published by
     6  // the Free Software Foundation, either version 3 of the License, or
     7  // (at your option) any later version.
     8  //
     9  // The go-ethereum library is distributed in the hope that it will be useful,
    10  // but WITHOUT ANY WARRANTY; without even the implied warranty of
    11  // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
    12  // GNU Lesser General Public License for more details.
    13  //
    14  // You should have received a copy of the GNU Lesser General Public License
    15  // along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
    16  
    17  package light
    18  
    19  import (
    20  	"github.com/PlatONnetwork/PlatON-Go/common"
    21  	"github.com/PlatONnetwork/PlatON-Go/core"
    22  	"github.com/PlatONnetwork/PlatON-Go/core/types"
    23  	"math"
    24  )
    25  
    26  type testTxRelay struct {
    27  	send, discard, mined chan int
    28  }
    29  
    30  func (self *testTxRelay) Send(txs types.Transactions) {
    31  	self.send <- len(txs)
    32  }
    33  
    34  func (self *testTxRelay) NewHead(head common.Hash, mined []common.Hash, rollback []common.Hash) {
    35  	m := len(mined)
    36  	if m != 0 {
    37  		self.mined <- m
    38  	}
    39  }
    40  
    41  func (self *testTxRelay) Discard(hashes []common.Hash) {
    42  	self.discard <- len(hashes)
    43  }
    44  
    45  const poolTestTxs = 1000
    46  const poolTestBlocks = 100
    47  
    48  // test tx 0..n-1
    49  var testTx [poolTestTxs]*types.Transaction
    50  
    51  // txs sent before block i
    52  func sentTx(i int) int {
    53  	return int(math.Pow(float64(i)/float64(poolTestBlocks), 0.9) * poolTestTxs)
    54  }
    55  
    56  // txs included in block i or before that (minedTx(i) <= sentTx(i))
    57  func minedTx(i int) int {
    58  	return int(math.Pow(float64(i)/float64(poolTestBlocks), 1.1) * poolTestTxs)
    59  }
    60  
    61  func txPoolTestChainGen(i int, block *core.BlockGen) {
    62  	s := minedTx(i)
    63  	e := minedTx(i + 1)
    64  	for i := s; i < e; i++ {
    65  		block.AddTx(testTx[i])
    66  	}
    67  }
    68  /*
    69  func TestTxPool(t *testing.T) {
    70  	for i := range testTx {
    71  		testTx[i], _ = types.SignTx(types.NewTransaction(uint64(i), acc1Addr, big.NewInt(10000), params.TxGas, nil, nil), types.HomesteadSigner{}, testBankKey)
    72  	}
    73  
    74  	var (
    75  		sdb     = ethdb.NewMemDatabase()
    76  		ldb     = ethdb.NewMemDatabase()
    77  		gspec   = core.Genesis{Alloc: core.GenesisAlloc{testBankAddress: {Balance: testBankFunds}}}
    78  		genesis = gspec.MustCommit(sdb)
    79  	)
    80  	gspec.MustCommit(ldb)
    81  	// Assemble the test environment
    82  	blockchain, _ := core.NewBlockChain(sdb, nil, params.TestChainConfig, cbft.NewFaker(), vm.Config{}, nil)
    83  	gchain, _ := core.GenerateChain(params.TestChainConfig, genesis, cbft.NewFaker(), sdb, poolTestBlocks, txPoolTestChainGen)
    84  	if _, err := blockchain.InsertChain(gchain); err != nil {
    85  		panic(err)
    86  	}
    87  
    88  	odr := &testOdr{sdb: sdb, ldb: ldb, indexerConfig: TestClientIndexerConfig}
    89  	relay := &testTxRelay{
    90  		send:    make(chan int, 1),
    91  		discard: make(chan int, 1),
    92  		mined:   make(chan int, 1),
    93  	}
    94  	lightchain, _ := NewLightChain(odr, params.TestChainConfig, cbft.NewFaker())
    95  	txPermanent = 50
    96  	pool := NewTxPool(params.TestChainConfig, lightchain, relay)
    97  	ctx, cancel := context.WithTimeout(context.Background(), 1*time.Second)
    98  	defer cancel()
    99  
   100  	for ii, block := range gchain {
   101  		i := ii + 1
   102  		s := sentTx(i - 1)
   103  		e := sentTx(i)
   104  		for i := s; i < e; i++ {
   105  			pool.Add(ctx, testTx[i])
   106  			got := <-relay.send
   107  			exp := 1
   108  			if got != exp {
   109  				t.Errorf("relay.Send expected len = %d, got %d", exp, got)
   110  			}
   111  		}
   112  
   113  		if _, err := lightchain.InsertHeaderChain([]*types.Header{block.Header()}, 1); err != nil {
   114  			panic(err)
   115  		}
   116  
   117  		got := <-relay.mined
   118  		exp := minedTx(i) - minedTx(i-1)
   119  		if got != exp {
   120  			t.Errorf("relay.NewHead expected len(mined) = %d, got %d", exp, got)
   121  		}
   122  
   123  		exp = 0
   124  		if i > int(txPermanent)+1 {
   125  			exp = minedTx(i-int(txPermanent)-1) - minedTx(i-int(txPermanent)-2)
   126  		}
   127  		if exp != 0 {
   128  			got = <-relay.discard
   129  			if got != exp {
   130  				t.Errorf("relay.Discard expected len = %d, got %d", exp, got)
   131  			}
   132  		}
   133  	}
   134  }*/