mirror of https://github.com/poanetwork/quorum.git
372 lines
12 KiB
Go
372 lines
12 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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// This file contains some shares testing functionality, common to multiple
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// different files and modules being tested.
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package les
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import (
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"crypto/ecdsa"
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"crypto/rand"
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"math/big"
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"sync"
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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/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/les/flowcontrol"
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"github.com/ethereum/go-ethereum/light"
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"github.com/ethereum/go-ethereum/p2p"
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"github.com/ethereum/go-ethereum/p2p/discover"
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"github.com/ethereum/go-ethereum/params"
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)
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var (
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testBankKey, _ = crypto.HexToECDSA("b71c71a67e1177ad4e901695e1b4b9ee17ae16c6668d313eac2f96dbcda3f291")
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testBankAddress = crypto.PubkeyToAddress(testBankKey.PublicKey)
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testBankFunds = big.NewInt(1000000)
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acc1Key, _ = crypto.HexToECDSA("8a1f9a8f95be41cd7ccb6168179afb4504aefe388d1e14474d32c45c72ce7b7a")
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acc2Key, _ = crypto.HexToECDSA("49a7b37aa6f6645917e7b807e9d1c00d4fa71f18343b0d4122a4d2df64dd6fee")
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acc1Addr = crypto.PubkeyToAddress(acc1Key.PublicKey)
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acc2Addr = crypto.PubkeyToAddress(acc2Key.PublicKey)
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testContractCode = common.Hex2Bytes("606060405260cc8060106000396000f360606040526000357c01000000000000000000000000000000000000000000000000000000009004806360cd2685146041578063c16431b914606b57603f565b005b6055600480803590602001909190505060a9565b6040518082815260200191505060405180910390f35b60886004808035906020019091908035906020019091905050608a565b005b80600060005083606481101560025790900160005b50819055505b5050565b6000600060005082606481101560025790900160005b5054905060c7565b91905056")
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testContractAddr common.Address
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testContractCodeDeployed = testContractCode[16:]
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testContractDeployed = uint64(2)
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testBufLimit = uint64(100)
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bigTxGas = new(big.Int).SetUint64(params.TxGas)
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)
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/*
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contract test {
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uint256[100] data;
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function Put(uint256 addr, uint256 value) {
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data[addr] = value;
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}
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function Get(uint256 addr) constant returns (uint256 value) {
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return data[addr];
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}
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}
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*/
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func testChainGen(i int, block *core.BlockGen) {
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signer := types.HomesteadSigner{}
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switch i {
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case 0:
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// In block 1, the test bank sends account #1 some ether.
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tx, _ := types.SignTx(types.NewTransaction(block.TxNonce(testBankAddress), acc1Addr, big.NewInt(10000), bigTxGas, nil, nil), signer, testBankKey)
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block.AddTx(tx)
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case 1:
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// In block 2, the test bank sends some more ether to account #1.
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// acc1Addr passes it on to account #2.
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// acc1Addr creates a test contract.
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tx1, _ := types.SignTx(types.NewTransaction(block.TxNonce(testBankAddress), acc1Addr, big.NewInt(1000), bigTxGas, nil, nil), signer, testBankKey)
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nonce := block.TxNonce(acc1Addr)
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tx2, _ := types.SignTx(types.NewTransaction(nonce, acc2Addr, big.NewInt(1000), bigTxGas, nil, nil), signer, acc1Key)
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nonce++
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tx3, _ := types.SignTx(types.NewContractCreation(nonce, big.NewInt(0), big.NewInt(200000), big.NewInt(0), testContractCode), signer, acc1Key)
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testContractAddr = crypto.CreateAddress(acc1Addr, nonce)
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block.AddTx(tx1)
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block.AddTx(tx2)
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block.AddTx(tx3)
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case 2:
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// Block 3 is empty but was mined by account #2.
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block.SetCoinbase(acc2Addr)
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block.SetExtra([]byte("yeehaw"))
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data := common.Hex2Bytes("C16431B900000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000001")
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tx, _ := types.SignTx(types.NewTransaction(block.TxNonce(testBankAddress), testContractAddr, big.NewInt(0), big.NewInt(100000), nil, data), signer, testBankKey)
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block.AddTx(tx)
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case 3:
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// Block 4 includes blocks 2 and 3 as uncle headers (with modified extra data).
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b2 := block.PrevBlock(1).Header()
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b2.Extra = []byte("foo")
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block.AddUncle(b2)
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b3 := block.PrevBlock(2).Header()
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b3.Extra = []byte("foo")
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block.AddUncle(b3)
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data := common.Hex2Bytes("C16431B900000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000002")
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tx, _ := types.SignTx(types.NewTransaction(block.TxNonce(testBankAddress), testContractAddr, big.NewInt(0), big.NewInt(100000), nil, data), signer, testBankKey)
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block.AddTx(tx)
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}
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}
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func testRCL() RequestCostList {
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cl := make(RequestCostList, len(reqList))
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for i, code := range reqList {
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cl[i].MsgCode = code
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cl[i].BaseCost = 0
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cl[i].ReqCost = 0
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}
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return cl
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}
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// newTestProtocolManager creates a new protocol manager for testing purposes,
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// with the given number of blocks already known, and potential notification
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// channels for different events.
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func newTestProtocolManager(lightSync bool, blocks int, generator func(int, *core.BlockGen)) (*ProtocolManager, ethdb.Database, *LesOdr, error) {
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var (
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evmux = new(event.TypeMux)
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engine = ethash.NewFaker()
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db, _ = ethdb.NewMemDatabase()
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gspec = core.Genesis{
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Config: params.TestChainConfig,
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Alloc: core.GenesisAlloc{testBankAddress: {Balance: testBankFunds}},
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}
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genesis = gspec.MustCommit(db)
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odr *LesOdr
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chain BlockChain
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)
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if lightSync {
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odr = NewLesOdr(db)
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chain, _ = light.NewLightChain(odr, gspec.Config, engine, evmux)
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} else {
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blockchain, _ := core.NewBlockChain(db, gspec.Config, engine, evmux, vm.Config{})
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gchain, _ := core.GenerateChain(gspec.Config, genesis, db, blocks, generator)
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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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chain = blockchain
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}
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pm, err := NewProtocolManager(gspec.Config, lightSync, NetworkId, evmux, engine, chain, nil, db, odr, nil)
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if err != nil {
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return nil, nil, nil, err
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}
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if !lightSync {
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srv := &LesServer{protocolManager: pm}
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pm.server = srv
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srv.defParams = &flowcontrol.ServerParams{
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BufLimit: testBufLimit,
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MinRecharge: 1,
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}
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srv.fcManager = flowcontrol.NewClientManager(50, 10, 1000000000)
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srv.fcCostStats = newCostStats(nil)
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}
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pm.Start(nil)
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return pm, db, odr, nil
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}
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// newTestProtocolManagerMust creates a new protocol manager for testing purposes,
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// with the given number of blocks already known, and potential notification
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// channels for different events. In case of an error, the constructor force-
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// fails the test.
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func newTestProtocolManagerMust(t *testing.T, lightSync bool, blocks int, generator func(int, *core.BlockGen)) (*ProtocolManager, ethdb.Database, *LesOdr) {
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pm, db, odr, err := newTestProtocolManager(lightSync, blocks, generator)
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if err != nil {
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t.Fatalf("Failed to create protocol manager: %v", err)
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}
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return pm, db, odr
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}
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// testTxPool is a fake, helper transaction pool for testing purposes
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type testTxPool struct {
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pool []*types.Transaction // Collection of all transactions
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added chan<- []*types.Transaction // Notification channel for new transactions
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lock sync.RWMutex // Protects the transaction pool
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}
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// AddTransactions appends a batch of transactions to the pool, and notifies any
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// listeners if the addition channel is non nil
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func (p *testTxPool) AddBatch(txs []*types.Transaction) {
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p.lock.Lock()
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defer p.lock.Unlock()
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p.pool = append(p.pool, txs...)
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if p.added != nil {
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p.added <- txs
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}
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}
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// GetTransactions returns all the transactions known to the pool
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func (p *testTxPool) GetTransactions() types.Transactions {
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p.lock.RLock()
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defer p.lock.RUnlock()
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txs := make([]*types.Transaction, len(p.pool))
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copy(txs, p.pool)
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return txs
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}
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// newTestTransaction create a new dummy transaction.
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func newTestTransaction(from *ecdsa.PrivateKey, nonce uint64, datasize int) *types.Transaction {
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tx := types.NewTransaction(nonce, common.Address{}, big.NewInt(0), big.NewInt(100000), big.NewInt(0), make([]byte, datasize))
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tx, _ = types.SignTx(tx, types.HomesteadSigner{}, from)
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return tx
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}
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// testPeer is a simulated peer to allow testing direct network calls.
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type testPeer struct {
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net p2p.MsgReadWriter // Network layer reader/writer to simulate remote messaging
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app *p2p.MsgPipeRW // Application layer reader/writer to simulate the local side
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*peer
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}
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// newTestPeer creates a new peer registered at the given protocol manager.
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func newTestPeer(t *testing.T, name string, version int, pm *ProtocolManager, shake bool) (*testPeer, <-chan error) {
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// Create a message pipe to communicate through
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app, net := p2p.MsgPipe()
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// Generate a random id and create the peer
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var id discover.NodeID
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rand.Read(id[:])
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peer := pm.newPeer(version, NetworkId, p2p.NewPeer(id, name, nil), net)
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// Start the peer on a new thread
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errc := make(chan error, 1)
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go func() {
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select {
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case pm.newPeerCh <- peer:
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errc <- pm.handle(peer)
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case <-pm.quitSync:
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errc <- p2p.DiscQuitting
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}
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}()
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tp := &testPeer{
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app: app,
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net: net,
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peer: peer,
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}
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// Execute any implicitly requested handshakes and return
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if shake {
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td, head, genesis := pm.blockchain.Status()
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headNum := pm.blockchain.CurrentHeader().Number.Uint64()
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tp.handshake(t, td, head, headNum, genesis)
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}
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return tp, errc
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}
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func newTestPeerPair(name string, version int, pm, pm2 *ProtocolManager) (*peer, <-chan error, *peer, <-chan error) {
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// Create a message pipe to communicate through
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app, net := p2p.MsgPipe()
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// Generate a random id and create the peer
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var id discover.NodeID
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rand.Read(id[:])
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peer := pm.newPeer(version, NetworkId, p2p.NewPeer(id, name, nil), net)
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peer2 := pm2.newPeer(version, NetworkId, p2p.NewPeer(id, name, nil), app)
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// Start the peer on a new thread
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errc := make(chan error, 1)
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errc2 := make(chan error, 1)
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go func() {
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select {
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case pm.newPeerCh <- peer:
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errc <- pm.handle(peer)
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case <-pm.quitSync:
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errc <- p2p.DiscQuitting
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}
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}()
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go func() {
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select {
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case pm2.newPeerCh <- peer2:
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errc2 <- pm2.handle(peer2)
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case <-pm2.quitSync:
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errc2 <- p2p.DiscQuitting
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}
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}()
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return peer, errc, peer2, errc2
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}
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// handshake simulates a trivial handshake that expects the same state from the
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// remote side as we are simulating locally.
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func (p *testPeer) handshake(t *testing.T, td *big.Int, head common.Hash, headNum uint64, genesis common.Hash) {
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var expList keyValueList
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expList = expList.add("protocolVersion", uint64(p.version))
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expList = expList.add("networkId", uint64(NetworkId))
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expList = expList.add("headTd", td)
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expList = expList.add("headHash", head)
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expList = expList.add("headNum", headNum)
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expList = expList.add("genesisHash", genesis)
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sendList := make(keyValueList, len(expList))
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copy(sendList, expList)
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expList = expList.add("serveHeaders", nil)
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expList = expList.add("serveChainSince", uint64(0))
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expList = expList.add("serveStateSince", uint64(0))
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expList = expList.add("txRelay", nil)
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expList = expList.add("flowControl/BL", testBufLimit)
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expList = expList.add("flowControl/MRR", uint64(1))
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expList = expList.add("flowControl/MRC", testRCL())
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if err := p2p.ExpectMsg(p.app, StatusMsg, expList); err != nil {
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t.Fatalf("status recv: %v", err)
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}
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if err := p2p.Send(p.app, StatusMsg, sendList); err != nil {
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t.Fatalf("status send: %v", err)
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}
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p.fcServerParams = &flowcontrol.ServerParams{
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BufLimit: testBufLimit,
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MinRecharge: 1,
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}
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}
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// close terminates the local side of the peer, notifying the remote protocol
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// manager of termination.
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func (p *testPeer) close() {
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p.app.Close()
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}
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type testServerPool struct {
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peer *peer
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lock sync.RWMutex
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}
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func (p *testServerPool) setPeer(peer *peer) {
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p.lock.Lock()
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defer p.lock.Unlock()
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p.peer = peer
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}
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func (p *testServerPool) getAllPeers() map[distPeer]struct{} {
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p.lock.RLock()
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defer p.lock.RUnlock()
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m := make(map[distPeer]struct{})
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if p.peer != nil {
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m[p.peer] = struct{}{}
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}
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return m
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}
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func (p *testServerPool) adjustResponseTime(*poolEntry, time.Duration, bool) {
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}
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