224 lines
7.7 KiB
Go
224 lines
7.7 KiB
Go
// Copyright 2014 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 eth
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import (
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"fmt"
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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/core/types"
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"github.com/ethereum/go-ethereum/crypto"
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"github.com/ethereum/go-ethereum/eth/downloader"
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"github.com/ethereum/go-ethereum/p2p"
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"github.com/ethereum/go-ethereum/rlp"
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)
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func init() {
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// log.Root().SetHandler(log.LvlFilterHandler(log.LvlTrace, log.StreamHandler(os.Stderr, log.TerminalFormat(false))))
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}
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var testAccount, _ = crypto.HexToECDSA("b71c71a67e1177ad4e901695e1b4b9ee17ae16c6668d313eac2f96dbcda3f291")
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// Tests that handshake failures are detected and reported correctly.
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func TestStatusMsgErrors62(t *testing.T) { testStatusMsgErrors(t, 62) }
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func TestStatusMsgErrors63(t *testing.T) { testStatusMsgErrors(t, 63) }
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func testStatusMsgErrors(t *testing.T, protocol int) {
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pm, _ := newTestProtocolManagerMust(t, downloader.FullSync, 0, nil, nil)
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var (
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genesis = pm.blockchain.Genesis()
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head = pm.blockchain.CurrentHeader()
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td = pm.blockchain.GetTd(head.Hash(), head.Number.Uint64())
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)
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defer pm.Stop()
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tests := []struct {
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code uint64
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data interface{}
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wantError error
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}{
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{
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code: TxMsg, data: []interface{}{},
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wantError: errResp(ErrNoStatusMsg, "first msg has code 2 (!= 0)"),
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},
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{
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code: StatusMsg, data: statusData{10, DefaultConfig.NetworkId, td, head.Hash(), genesis.Hash()},
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wantError: errResp(ErrProtocolVersionMismatch, "10 (!= %d)", protocol),
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},
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{
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code: StatusMsg, data: statusData{uint32(protocol), 999, td, head.Hash(), genesis.Hash()},
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wantError: errResp(ErrNetworkIdMismatch, "999 (!= 1)"),
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},
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{
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code: StatusMsg, data: statusData{uint32(protocol), DefaultConfig.NetworkId, td, head.Hash(), common.Hash{3}},
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wantError: errResp(ErrGenesisBlockMismatch, "0300000000000000 (!= %x)", genesis.Hash().Bytes()[:8]),
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},
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}
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for i, test := range tests {
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p, errc := newTestPeer("peer", protocol, pm, false)
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// The send call might hang until reset because
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// the protocol might not read the payload.
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go p2p.Send(p.app, test.code, test.data)
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select {
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case err := <-errc:
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if err == nil {
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t.Errorf("test %d: protocol returned nil error, want %q", i, test.wantError)
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} else if err.Error() != test.wantError.Error() {
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t.Errorf("test %d: wrong error: got %q, want %q", i, err, test.wantError)
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}
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case <-time.After(2 * time.Second):
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t.Errorf("protocol did not shut down within 2 seconds")
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}
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p.close()
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}
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}
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// This test checks that received transactions are added to the local pool.
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func TestRecvTransactions62(t *testing.T) { testRecvTransactions(t, 62) }
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func TestRecvTransactions63(t *testing.T) { testRecvTransactions(t, 63) }
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func testRecvTransactions(t *testing.T, protocol int) {
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txAdded := make(chan []*types.Transaction)
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pm, _ := newTestProtocolManagerMust(t, downloader.FullSync, 0, nil, txAdded)
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pm.acceptTxs = 1 // mark synced to accept transactions
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p, _ := newTestPeer("peer", protocol, pm, true)
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defer pm.Stop()
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defer p.close()
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tx := newTestTransaction(testAccount, 0, 0)
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if err := p2p.Send(p.app, TxMsg, []interface{}{tx}); err != nil {
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t.Fatalf("send error: %v", err)
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}
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select {
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case added := <-txAdded:
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if len(added) != 1 {
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t.Errorf("wrong number of added transactions: got %d, want 1", len(added))
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} else if added[0].Hash() != tx.Hash() {
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t.Errorf("added wrong tx hash: got %v, want %v", added[0].Hash(), tx.Hash())
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}
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case <-time.After(2 * time.Second):
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t.Errorf("no NewTxsEvent received within 2 seconds")
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}
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}
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// This test checks that pending transactions are sent.
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func TestSendTransactions62(t *testing.T) { testSendTransactions(t, 62) }
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func TestSendTransactions63(t *testing.T) { testSendTransactions(t, 63) }
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func testSendTransactions(t *testing.T, protocol int) {
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pm, _ := newTestProtocolManagerMust(t, downloader.FullSync, 0, nil, nil)
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defer pm.Stop()
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// Fill the pool with big transactions.
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const txsize = txsyncPackSize / 10
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alltxs := make([]*types.Transaction, 100)
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for nonce := range alltxs {
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alltxs[nonce] = newTestTransaction(testAccount, uint64(nonce), txsize)
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}
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pm.txpool.AddRemotes(alltxs)
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// Connect several peers. They should all receive the pending transactions.
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var wg sync.WaitGroup
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checktxs := func(p *testPeer) {
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defer wg.Done()
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defer p.close()
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seen := make(map[common.Hash]bool)
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for _, tx := range alltxs {
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seen[tx.Hash()] = false
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}
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for n := 0; n < len(alltxs) && !t.Failed(); {
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var txs []*types.Transaction
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msg, err := p.app.ReadMsg()
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if err != nil {
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t.Errorf("%v: read error: %v", p.Peer, err)
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} else if msg.Code != TxMsg {
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t.Errorf("%v: got code %d, want TxMsg", p.Peer, msg.Code)
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}
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if err := msg.Decode(&txs); err != nil {
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t.Errorf("%v: %v", p.Peer, err)
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}
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for _, tx := range txs {
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hash := tx.Hash()
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seentx, want := seen[hash]
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if seentx {
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t.Errorf("%v: got tx more than once: %x", p.Peer, hash)
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}
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if !want {
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t.Errorf("%v: got unexpected tx: %x", p.Peer, hash)
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}
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seen[hash] = true
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n++
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}
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}
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}
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for i := 0; i < 3; i++ {
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p, _ := newTestPeer(fmt.Sprintf("peer #%d", i), protocol, pm, true)
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wg.Add(1)
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go checktxs(p)
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}
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wg.Wait()
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}
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// Tests that the custom union field encoder and decoder works correctly.
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func TestGetBlockHeadersDataEncodeDecode(t *testing.T) {
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// Create a "random" hash for testing
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var hash common.Hash
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for i := range hash {
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hash[i] = byte(i)
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}
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// Assemble some table driven tests
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tests := []struct {
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packet *getBlockHeadersData
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fail bool
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}{
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// Providing the origin as either a hash or a number should both work
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{fail: false, packet: &getBlockHeadersData{Origin: hashOrNumber{Number: 314}}},
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{fail: false, packet: &getBlockHeadersData{Origin: hashOrNumber{Hash: hash}}},
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// Providing arbitrary query field should also work
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{fail: false, packet: &getBlockHeadersData{Origin: hashOrNumber{Number: 314}, Amount: 314, Skip: 1, Reverse: true}},
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{fail: false, packet: &getBlockHeadersData{Origin: hashOrNumber{Hash: hash}, Amount: 314, Skip: 1, Reverse: true}},
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// Providing both the origin hash and origin number must fail
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{fail: true, packet: &getBlockHeadersData{Origin: hashOrNumber{Hash: hash, Number: 314}}},
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}
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// Iterate over each of the tests and try to encode and then decode
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for i, tt := range tests {
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bytes, err := rlp.EncodeToBytes(tt.packet)
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if err != nil && !tt.fail {
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t.Fatalf("test %d: failed to encode packet: %v", i, err)
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} else if err == nil && tt.fail {
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t.Fatalf("test %d: encode should have failed", i)
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}
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if !tt.fail {
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packet := new(getBlockHeadersData)
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if err := rlp.DecodeBytes(bytes, packet); err != nil {
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t.Fatalf("test %d: failed to decode packet: %v", i, err)
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}
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if packet.Origin.Hash != tt.packet.Origin.Hash || packet.Origin.Number != tt.packet.Origin.Number || packet.Amount != tt.packet.Amount ||
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packet.Skip != tt.packet.Skip || packet.Reverse != tt.packet.Reverse {
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t.Fatalf("test %d: encode decode mismatch: have %+v, want %+v", i, packet, tt.packet)
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}
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}
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}
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}
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