plugeth/les/handler_test.go

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// Copyright 2016 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
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package les
import (
"encoding/binary"
"math/big"
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"math/rand"
"testing"
"time"
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"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/common/mclock"
"github.com/ethereum/go-ethereum/consensus/ethash"
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"github.com/ethereum/go-ethereum/core"
"github.com/ethereum/go-ethereum/core/rawdb"
"github.com/ethereum/go-ethereum/core/txpool"
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"github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/crypto"
"github.com/ethereum/go-ethereum/eth/downloader"
"github.com/ethereum/go-ethereum/light"
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"github.com/ethereum/go-ethereum/p2p"
"github.com/ethereum/go-ethereum/params"
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"github.com/ethereum/go-ethereum/rlp"
"github.com/ethereum/go-ethereum/trie"
)
func expectResponse(r p2p.MsgReader, msgcode, reqID, bv uint64, data interface{}) error {
type resp struct {
ReqID, BV uint64
Data interface{}
}
return p2p.ExpectMsg(r, msgcode, resp{reqID, bv, data})
}
// Tests that block headers can be retrieved from a remote chain based on user queries.
func TestGetBlockHeadersLes2(t *testing.T) { testGetBlockHeaders(t, 2) }
func TestGetBlockHeadersLes3(t *testing.T) { testGetBlockHeaders(t, 3) }
func TestGetBlockHeadersLes4(t *testing.T) { testGetBlockHeaders(t, 4) }
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func testGetBlockHeaders(t *testing.T, protocol int) {
netconfig := testnetConfig{
blocks: downloader.MaxHeaderFetch + 15,
protocol: protocol,
nopruning: true,
}
server, _, tearDown := newClientServerEnv(t, netconfig)
defer tearDown()
rawPeer, closePeer, _ := server.newRawPeer(t, "peer", protocol)
defer closePeer()
bc := server.handler.blockchain
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// Create a "random" unknown hash for testing
var unknown common.Hash
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for i := range unknown {
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unknown[i] = byte(i)
}
// Create a batch of tests for various scenarios
limit := uint64(MaxHeaderFetch)
tests := []struct {
query *GetBlockHeadersData // The query to execute for header retrieval
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expect []common.Hash // The hashes of the block whose headers are expected
}{
// A single random block should be retrievable by hash and number too
{
&GetBlockHeadersData{Origin: hashOrNumber{Hash: bc.GetBlockByNumber(limit / 2).Hash()}, Amount: 1},
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[]common.Hash{bc.GetBlockByNumber(limit / 2).Hash()},
}, {
&GetBlockHeadersData{Origin: hashOrNumber{Number: limit / 2}, Amount: 1},
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[]common.Hash{bc.GetBlockByNumber(limit / 2).Hash()},
},
// Multiple headers should be retrievable in both directions
{
&GetBlockHeadersData{Origin: hashOrNumber{Number: limit / 2}, Amount: 3},
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[]common.Hash{
bc.GetBlockByNumber(limit / 2).Hash(),
bc.GetBlockByNumber(limit/2 + 1).Hash(),
bc.GetBlockByNumber(limit/2 + 2).Hash(),
},
}, {
&GetBlockHeadersData{Origin: hashOrNumber{Number: limit / 2}, Amount: 3, Reverse: true},
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[]common.Hash{
bc.GetBlockByNumber(limit / 2).Hash(),
bc.GetBlockByNumber(limit/2 - 1).Hash(),
bc.GetBlockByNumber(limit/2 - 2).Hash(),
},
},
// Multiple headers with skip lists should be retrievable
{
&GetBlockHeadersData{Origin: hashOrNumber{Number: limit / 2}, Skip: 3, Amount: 3},
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[]common.Hash{
bc.GetBlockByNumber(limit / 2).Hash(),
bc.GetBlockByNumber(limit/2 + 4).Hash(),
bc.GetBlockByNumber(limit/2 + 8).Hash(),
},
}, {
&GetBlockHeadersData{Origin: hashOrNumber{Number: limit / 2}, Skip: 3, Amount: 3, Reverse: true},
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[]common.Hash{
bc.GetBlockByNumber(limit / 2).Hash(),
bc.GetBlockByNumber(limit/2 - 4).Hash(),
bc.GetBlockByNumber(limit/2 - 8).Hash(),
},
},
// The chain endpoints should be retrievable
{
&GetBlockHeadersData{Origin: hashOrNumber{Number: 0}, Amount: 1},
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[]common.Hash{bc.GetBlockByNumber(0).Hash()},
}, {
&GetBlockHeadersData{Origin: hashOrNumber{Number: bc.CurrentBlock().Number.Uint64()}, Amount: 1},
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[]common.Hash{bc.CurrentBlock().Hash()},
},
// Ensure protocol limits are honored
//{
// &GetBlockHeadersData{Origin: hashOrNumber{Number: bc.CurrentBlock().Number.Uint64()() - 1}, Amount: limit + 10, Reverse: true},
// []common.Hash{},
//},
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// Check that requesting more than available is handled gracefully
{
&GetBlockHeadersData{Origin: hashOrNumber{Number: bc.CurrentBlock().Number.Uint64() - 4}, Skip: 3, Amount: 3},
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[]common.Hash{
bc.GetBlockByNumber(bc.CurrentBlock().Number.Uint64() - 4).Hash(),
bc.GetBlockByNumber(bc.CurrentBlock().Number.Uint64()).Hash(),
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},
}, {
&GetBlockHeadersData{Origin: hashOrNumber{Number: 4}, Skip: 3, Amount: 3, Reverse: true},
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[]common.Hash{
bc.GetBlockByNumber(4).Hash(),
bc.GetBlockByNumber(0).Hash(),
},
},
// Check that requesting more than available is handled gracefully, even if mid skip
{
&GetBlockHeadersData{Origin: hashOrNumber{Number: bc.CurrentBlock().Number.Uint64() - 4}, Skip: 2, Amount: 3},
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[]common.Hash{
bc.GetBlockByNumber(bc.CurrentBlock().Number.Uint64() - 4).Hash(),
bc.GetBlockByNumber(bc.CurrentBlock().Number.Uint64() - 1).Hash(),
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},
}, {
&GetBlockHeadersData{Origin: hashOrNumber{Number: 4}, Skip: 2, Amount: 3, Reverse: true},
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[]common.Hash{
bc.GetBlockByNumber(4).Hash(),
bc.GetBlockByNumber(1).Hash(),
},
},
// Check that non existing headers aren't returned
{
&GetBlockHeadersData{Origin: hashOrNumber{Hash: unknown}, Amount: 1},
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[]common.Hash{},
}, {
&GetBlockHeadersData{Origin: hashOrNumber{Number: bc.CurrentBlock().Number.Uint64() + 1}, Amount: 1},
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[]common.Hash{},
},
}
// Run each of the tests and verify the results against the chain
var reqID uint64
for i, tt := range tests {
// Collect the headers to expect in the response
var headers []*types.Header
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for _, hash := range tt.expect {
headers = append(headers, bc.GetHeaderByHash(hash))
}
// Send the hash request and verify the response
reqID++
sendRequest(rawPeer.app, GetBlockHeadersMsg, reqID, tt.query)
if err := expectResponse(rawPeer.app, BlockHeadersMsg, reqID, testBufLimit, headers); err != nil {
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t.Errorf("test %d: headers mismatch: %v", i, err)
}
}
}
// Tests that block contents can be retrieved from a remote chain based on their hashes.
func TestGetBlockBodiesLes2(t *testing.T) { testGetBlockBodies(t, 2) }
func TestGetBlockBodiesLes3(t *testing.T) { testGetBlockBodies(t, 3) }
func TestGetBlockBodiesLes4(t *testing.T) { testGetBlockBodies(t, 4) }
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func testGetBlockBodies(t *testing.T, protocol int) {
netconfig := testnetConfig{
blocks: downloader.MaxHeaderFetch + 15,
protocol: protocol,
nopruning: true,
}
server, _, tearDown := newClientServerEnv(t, netconfig)
defer tearDown()
rawPeer, closePeer, _ := server.newRawPeer(t, "peer", protocol)
defer closePeer()
bc := server.handler.blockchain
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// Create a batch of tests for various scenarios
limit := MaxBodyFetch
tests := []struct {
random int // Number of blocks to fetch randomly from the chain
explicit []common.Hash // Explicitly requested blocks
available []bool // Availability of explicitly requested blocks
expected int // Total number of existing blocks to expect
}{
{1, nil, nil, 1}, // A single random block should be retrievable
{10, nil, nil, 10}, // Multiple random blocks should be retrievable
{limit, nil, nil, limit}, // The maximum possible blocks should be retrievable
//{limit + 1, nil, nil, limit}, // No more than the possible block count should be returned
{0, []common.Hash{bc.Genesis().Hash()}, []bool{true}, 1}, // The genesis block should be retrievable
{0, []common.Hash{bc.CurrentBlock().Hash()}, []bool{true}, 1}, // The chains head block should be retrievable
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{0, []common.Hash{{}}, []bool{false}, 0}, // A non existent block should not be returned
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// Existing and non-existing blocks interleaved should not cause problems
{0, []common.Hash{
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{},
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bc.GetBlockByNumber(1).Hash(),
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{},
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bc.GetBlockByNumber(10).Hash(),
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{},
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bc.GetBlockByNumber(100).Hash(),
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{},
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}, []bool{false, true, false, true, false, true, false}, 3},
}
// Run each of the tests and verify the results against the chain
var reqID uint64
for i, tt := range tests {
// Collect the hashes to request, and the response to expect
var hashes []common.Hash
seen := make(map[int64]bool)
var bodies []*types.Body
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for j := 0; j < tt.random; j++ {
for {
num := rand.Int63n(int64(bc.CurrentBlock().Number.Uint64()))
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if !seen[num] {
seen[num] = true
block := bc.GetBlockByNumber(uint64(num))
hashes = append(hashes, block.Hash())
if len(bodies) < tt.expected {
bodies = append(bodies, &types.Body{Transactions: block.Transactions(), Uncles: block.Uncles()})
}
break
}
}
}
for j, hash := range tt.explicit {
hashes = append(hashes, hash)
if tt.available[j] && len(bodies) < tt.expected {
block := bc.GetBlockByHash(hash)
bodies = append(bodies, &types.Body{Transactions: block.Transactions(), Uncles: block.Uncles()})
}
}
reqID++
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// Send the hash request and verify the response
sendRequest(rawPeer.app, GetBlockBodiesMsg, reqID, hashes)
if err := expectResponse(rawPeer.app, BlockBodiesMsg, reqID, testBufLimit, bodies); err != nil {
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t.Errorf("test %d: bodies mismatch: %v", i, err)
}
}
}
// Tests that the contract codes can be retrieved based on account addresses.
func TestGetCodeLes2(t *testing.T) { testGetCode(t, 2) }
func TestGetCodeLes3(t *testing.T) { testGetCode(t, 3) }
func TestGetCodeLes4(t *testing.T) { testGetCode(t, 4) }
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func testGetCode(t *testing.T, protocol int) {
// Assemble the test environment
netconfig := testnetConfig{
blocks: 4,
protocol: protocol,
nopruning: true,
}
server, _, tearDown := newClientServerEnv(t, netconfig)
defer tearDown()
rawPeer, closePeer, _ := server.newRawPeer(t, "peer", protocol)
defer closePeer()
bc := server.handler.blockchain
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var codereqs []*CodeReq
var codes [][]byte
for i := uint64(0); i <= bc.CurrentBlock().Number.Uint64(); i++ {
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header := bc.GetHeaderByNumber(i)
req := &CodeReq{
BHash: header.Hash(),
AccountAddress: testContractAddr[:],
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}
codereqs = append(codereqs, req)
if i >= testContractDeployed {
codes = append(codes, testContractCodeDeployed)
}
}
sendRequest(rawPeer.app, GetCodeMsg, 42, codereqs)
if err := expectResponse(rawPeer.app, CodeMsg, 42, testBufLimit, codes); err != nil {
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t.Errorf("codes mismatch: %v", err)
}
}
// Tests that the stale contract codes can't be retrieved based on account addresses.
func TestGetStaleCodeLes2(t *testing.T) { testGetStaleCode(t, 2) }
func TestGetStaleCodeLes3(t *testing.T) { testGetStaleCode(t, 3) }
func TestGetStaleCodeLes4(t *testing.T) { testGetStaleCode(t, 4) }
func testGetStaleCode(t *testing.T, protocol int) {
netconfig := testnetConfig{
blocks: core.TriesInMemory + 4,
protocol: protocol,
nopruning: true,
}
server, _, tearDown := newClientServerEnv(t, netconfig)
defer tearDown()
rawPeer, closePeer, _ := server.newRawPeer(t, "peer", protocol)
defer closePeer()
bc := server.handler.blockchain
check := func(number uint64, expected [][]byte) {
req := &CodeReq{
BHash: bc.GetHeaderByNumber(number).Hash(),
AccountAddress: testContractAddr[:],
}
sendRequest(rawPeer.app, GetCodeMsg, 42, []*CodeReq{req})
if err := expectResponse(rawPeer.app, CodeMsg, 42, testBufLimit, expected); err != nil {
t.Errorf("codes mismatch: %v", err)
}
}
check(0, [][]byte{}) // Non-exist contract
check(testContractDeployed, [][]byte{}) // Stale contract
check(bc.CurrentHeader().Number.Uint64(), [][]byte{testContractCodeDeployed}) // Fresh contract
}
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// Tests that the transaction receipts can be retrieved based on hashes.
func TestGetReceiptLes2(t *testing.T) { testGetReceipt(t, 2) }
func TestGetReceiptLes3(t *testing.T) { testGetReceipt(t, 3) }
func TestGetReceiptLes4(t *testing.T) { testGetReceipt(t, 4) }
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func testGetReceipt(t *testing.T, protocol int) {
// Assemble the test environment
netconfig := testnetConfig{
blocks: 4,
protocol: protocol,
nopruning: true,
}
server, _, tearDown := newClientServerEnv(t, netconfig)
defer tearDown()
rawPeer, closePeer, _ := server.newRawPeer(t, "peer", protocol)
defer closePeer()
bc := server.handler.blockchain
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// Collect the hashes to request, and the response to expect
var receipts []types.Receipts
var hashes []common.Hash
for i := uint64(0); i <= bc.CurrentBlock().Number.Uint64(); i++ {
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block := bc.GetBlockByNumber(i)
hashes = append(hashes, block.Hash())
receipts = append(receipts, rawdb.ReadReceipts(server.db, block.Hash(), block.NumberU64(), block.Time(), bc.Config()))
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}
// Send the hash request and verify the response
sendRequest(rawPeer.app, GetReceiptsMsg, 42, hashes)
if err := expectResponse(rawPeer.app, ReceiptsMsg, 42, testBufLimit, receipts); err != nil {
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t.Errorf("receipts mismatch: %v", err)
}
}
// Tests that trie merkle proofs can be retrieved
func TestGetProofsLes2(t *testing.T) { testGetProofs(t, 2) }
func TestGetProofsLes3(t *testing.T) { testGetProofs(t, 3) }
func TestGetProofsLes4(t *testing.T) { testGetProofs(t, 4) }
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func testGetProofs(t *testing.T, protocol int) {
// Assemble the test environment
netconfig := testnetConfig{
blocks: 4,
protocol: protocol,
nopruning: true,
}
server, _, tearDown := newClientServerEnv(t, netconfig)
defer tearDown()
rawPeer, closePeer, _ := server.newRawPeer(t, "peer", protocol)
defer closePeer()
bc := server.handler.blockchain
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var proofreqs []ProofReq
proofsV2 := light.NewNodeSet()
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accounts := []common.Address{bankAddr, userAddr1, userAddr2, signerAddr, {}}
for i := uint64(0); i <= bc.CurrentBlock().Number.Uint64(); i++ {
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header := bc.GetHeaderByNumber(i)
trie, _ := trie.New(trie.StateTrieID(header.Root), server.backend.Blockchain().TrieDB())
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for _, acc := range accounts {
req := ProofReq{
BHash: header.Hash(),
Key: crypto.Keccak256(acc[:]),
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}
proofreqs = append(proofreqs, req)
trie.Prove(crypto.Keccak256(acc[:]), proofsV2)
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}
}
// Send the proof request and verify the response
sendRequest(rawPeer.app, GetProofsV2Msg, 42, proofreqs)
if err := expectResponse(rawPeer.app, ProofsV2Msg, 42, testBufLimit, proofsV2.NodeList()); err != nil {
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t.Errorf("proofs mismatch: %v", err)
}
}
// Tests that the stale contract codes can't be retrieved based on account addresses.
func TestGetStaleProofLes2(t *testing.T) { testGetStaleProof(t, 2) }
func TestGetStaleProofLes3(t *testing.T) { testGetStaleProof(t, 3) }
func TestGetStaleProofLes4(t *testing.T) { testGetStaleProof(t, 4) }
func testGetStaleProof(t *testing.T, protocol int) {
netconfig := testnetConfig{
blocks: core.TriesInMemory + 4,
protocol: protocol,
nopruning: true,
}
server, _, tearDown := newClientServerEnv(t, netconfig)
defer tearDown()
rawPeer, closePeer, _ := server.newRawPeer(t, "peer", protocol)
defer closePeer()
bc := server.handler.blockchain
check := func(number uint64, wantOK bool) {
var (
header = bc.GetHeaderByNumber(number)
account = crypto.Keccak256(userAddr1.Bytes())
)
req := &ProofReq{
BHash: header.Hash(),
Key: account,
}
sendRequest(rawPeer.app, GetProofsV2Msg, 42, []*ProofReq{req})
var expected []rlp.RawValue
if wantOK {
proofsV2 := light.NewNodeSet()
t, _ := trie.New(trie.StateTrieID(header.Root), server.backend.Blockchain().TrieDB())
t.Prove(account, proofsV2)
expected = proofsV2.NodeList()
}
if err := expectResponse(rawPeer.app, ProofsV2Msg, 42, testBufLimit, expected); err != nil {
t.Errorf("codes mismatch: %v", err)
}
}
check(0, false) // Non-exist proof
check(2, false) // Stale proof
check(bc.CurrentHeader().Number.Uint64(), true) // Fresh proof
}
// Tests that CHT proofs can be correctly retrieved.
func TestGetCHTProofsLes2(t *testing.T) { testGetCHTProofs(t, 2) }
func TestGetCHTProofsLes3(t *testing.T) { testGetCHTProofs(t, 3) }
func TestGetCHTProofsLes4(t *testing.T) { testGetCHTProofs(t, 4) }
func testGetCHTProofs(t *testing.T, protocol int) {
var (
config = light.TestServerIndexerConfig
waitIndexers = func(cIndexer, bIndexer, btIndexer *core.ChainIndexer) {
for {
cs, _, _ := cIndexer.Sections()
if cs >= 1 {
break
}
time.Sleep(10 * time.Millisecond)
}
}
netconfig = testnetConfig{
blocks: int(config.ChtSize + config.ChtConfirms),
protocol: protocol,
indexFn: waitIndexers,
nopruning: true,
}
)
server, _, tearDown := newClientServerEnv(t, netconfig)
defer tearDown()
rawPeer, closePeer, _ := server.newRawPeer(t, "peer", protocol)
defer closePeer()
bc := server.handler.blockchain
// Assemble the proofs from the different protocols
header := bc.GetHeaderByNumber(config.ChtSize - 1)
rlp, _ := rlp.EncodeToBytes(header)
key := make([]byte, 8)
binary.BigEndian.PutUint64(key, config.ChtSize-1)
proofsV2 := HelperTrieResps{
AuxData: [][]byte{rlp},
}
root := light.GetChtRoot(server.db, 0, bc.GetHeaderByNumber(config.ChtSize-1).Hash())
trie, _ := trie.New(trie.TrieID(root), trie.NewDatabase(rawdb.NewTable(server.db, string(rawdb.ChtTablePrefix)), trie.HashDefaults))
trie.Prove(key, &proofsV2.Proofs)
// Assemble the requests for the different protocols
requestsV2 := []HelperTrieReq{{
Type: htCanonical,
TrieIdx: 0,
Key: key,
AuxReq: htAuxHeader,
}}
// Send the proof request and verify the response
sendRequest(rawPeer.app, GetHelperTrieProofsMsg, 42, requestsV2)
if err := expectResponse(rawPeer.app, HelperTrieProofsMsg, 42, testBufLimit, proofsV2); err != nil {
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t.Errorf("proofs mismatch: %v", err)
}
}
func TestGetBloombitsProofsLes2(t *testing.T) { testGetBloombitsProofs(t, 2) }
func TestGetBloombitsProofsLes3(t *testing.T) { testGetBloombitsProofs(t, 3) }
func TestGetBloombitsProofsLes4(t *testing.T) { testGetBloombitsProofs(t, 4) }
// Tests that bloombits proofs can be correctly retrieved.
func testGetBloombitsProofs(t *testing.T, protocol int) {
var (
config = light.TestServerIndexerConfig
waitIndexers = func(cIndexer, bIndexer, btIndexer *core.ChainIndexer) {
for {
bts, _, _ := btIndexer.Sections()
if bts >= 1 {
break
}
time.Sleep(10 * time.Millisecond)
}
}
netconfig = testnetConfig{
blocks: int(config.BloomTrieSize + config.BloomTrieConfirms),
protocol: protocol,
indexFn: waitIndexers,
nopruning: true,
}
)
server, _, tearDown := newClientServerEnv(t, netconfig)
defer tearDown()
rawPeer, closePeer, _ := server.newRawPeer(t, "peer", protocol)
defer closePeer()
bc := server.handler.blockchain
// Request and verify each bit of the bloom bits proofs
for bit := 0; bit < 2048; bit++ {
// Assemble the request and proofs for the bloombits
key := make([]byte, 10)
binary.BigEndian.PutUint16(key[:2], uint16(bit))
// Only the first bloom section has data.
binary.BigEndian.PutUint64(key[2:], 0)
requests := []HelperTrieReq{{
Type: htBloomBits,
TrieIdx: 0,
Key: key,
}}
var proofs HelperTrieResps
root := light.GetBloomTrieRoot(server.db, 0, bc.GetHeaderByNumber(config.BloomTrieSize-1).Hash())
trie, _ := trie.New(trie.TrieID(root), trie.NewDatabase(rawdb.NewTable(server.db, string(rawdb.BloomTrieTablePrefix)), trie.HashDefaults))
trie.Prove(key, &proofs.Proofs)
// Send the proof request and verify the response
sendRequest(rawPeer.app, GetHelperTrieProofsMsg, 42, requests)
if err := expectResponse(rawPeer.app, HelperTrieProofsMsg, 42, testBufLimit, proofs); err != nil {
t.Errorf("bit %d: proofs mismatch: %v", bit, err)
}
}
}
func TestTransactionStatusLes2(t *testing.T) { testTransactionStatus(t, lpv2) }
func TestTransactionStatusLes3(t *testing.T) { testTransactionStatus(t, lpv3) }
func TestTransactionStatusLes4(t *testing.T) { testTransactionStatus(t, lpv4) }
func testTransactionStatus(t *testing.T, protocol int) {
netconfig := testnetConfig{
protocol: protocol,
nopruning: true,
}
server, _, tearDown := newClientServerEnv(t, netconfig)
defer tearDown()
rawPeer, closePeer, _ := server.newRawPeer(t, "peer", protocol)
defer closePeer()
server.handler.addTxsSync = true
chain := server.handler.blockchain
var reqID uint64
test := func(tx *types.Transaction, send bool, expStatus light.TxStatus) {
t.Helper()
reqID++
if send {
sendRequest(rawPeer.app, SendTxV2Msg, reqID, types.Transactions{tx})
} else {
sendRequest(rawPeer.app, GetTxStatusMsg, reqID, []common.Hash{tx.Hash()})
}
if err := expectResponse(rawPeer.app, TxStatusMsg, reqID, testBufLimit, []light.TxStatus{expStatus}); err != nil {
t.Errorf("transaction status mismatch: %v", err)
}
}
signer := types.HomesteadSigner{}
// test error status by sending an underpriced transaction
tx0, _ := types.SignTx(types.NewTransaction(0, userAddr1, big.NewInt(10000), params.TxGas, nil, nil), signer, bankKey)
test(tx0, true, light.TxStatus{Status: txpool.TxStatusUnknown, Error: "transaction underpriced: tip needed 1, tip permitted 0"})
tx1, _ := types.SignTx(types.NewTransaction(0, userAddr1, big.NewInt(10000), params.TxGas, big.NewInt(100000000000), nil), signer, bankKey)
test(tx1, false, light.TxStatus{Status: txpool.TxStatusUnknown}) // query before sending, should be unknown
test(tx1, true, light.TxStatus{Status: txpool.TxStatusPending}) // send valid processable tx, should return pending
test(tx1, true, light.TxStatus{Status: txpool.TxStatusPending}) // adding it again should not return an error
tx2, _ := types.SignTx(types.NewTransaction(1, userAddr1, big.NewInt(10000), params.TxGas, big.NewInt(100000000000), nil), signer, bankKey)
tx3, _ := types.SignTx(types.NewTransaction(2, userAddr1, big.NewInt(10000), params.TxGas, big.NewInt(100000000000), nil), signer, bankKey)
// send transactions in the wrong order, tx3 should be queued
test(tx3, true, light.TxStatus{Status: txpool.TxStatusQueued})
test(tx2, true, light.TxStatus{Status: txpool.TxStatusPending})
// query again, now tx3 should be pending too
test(tx3, false, light.TxStatus{Status: txpool.TxStatusPending})
// generate and add a block with tx1 and tx2 included
gchain, _ := core.GenerateChain(params.TestChainConfig, chain.GetBlockByNumber(0), ethash.NewFaker(), server.db, 1, func(i int, block *core.BlockGen) {
block.AddTx(tx1)
block.AddTx(tx2)
})
if _, err := chain.InsertChain(gchain); err != nil {
panic(err)
}
// wait until TxPool processes the inserted block
for i := 0; i < 10; i++ {
if pending, _ := server.handler.txpool.Stats(); pending == 1 {
break
}
time.Sleep(100 * time.Millisecond)
}
if pending, _ := server.handler.txpool.Stats(); pending != 1 {
t.Fatalf("pending count mismatch: have %d, want 1", pending)
}
// Discard new block announcement
msg, _ := rawPeer.app.ReadMsg()
msg.Discard()
// check if their status is included now
block1hash := rawdb.ReadCanonicalHash(server.db, 1)
test(tx1, false, light.TxStatus{Status: txpool.TxStatusIncluded, Lookup: &rawdb.LegacyTxLookupEntry{BlockHash: block1hash, BlockIndex: 1, Index: 0}})
test(tx2, false, light.TxStatus{Status: txpool.TxStatusIncluded, Lookup: &rawdb.LegacyTxLookupEntry{BlockHash: block1hash, BlockIndex: 1, Index: 1}})
// create a reorg that rolls them back
gchain, _ = core.GenerateChain(params.TestChainConfig, chain.GetBlockByNumber(0), ethash.NewFaker(), server.db, 2, func(i int, block *core.BlockGen) {})
if _, err := chain.InsertChain(gchain); err != nil {
panic(err)
}
// wait until TxPool processes the reorg
for i := 0; i < 10; i++ {
if pending, _ := server.handler.txpool.Stats(); pending == 3 {
break
}
time.Sleep(100 * time.Millisecond)
}
if pending, _ := server.handler.txpool.Stats(); pending != 3 {
t.Fatalf("pending count mismatch: have %d, want 3", pending)
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}
// Discard new block announcement
msg, _ = rawPeer.app.ReadMsg()
msg.Discard()
// check if their status is pending again
test(tx1, false, light.TxStatus{Status: txpool.TxStatusPending})
test(tx2, false, light.TxStatus{Status: txpool.TxStatusPending})
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}
func TestStopResumeLES3(t *testing.T) { testStopResume(t, lpv3) }
func TestStopResumeLES4(t *testing.T) { testStopResume(t, lpv4) }
func testStopResume(t *testing.T, protocol int) {
netconfig := testnetConfig{
protocol: protocol,
simClock: true,
nopruning: true,
}
server, _, tearDown := newClientServerEnv(t, netconfig)
defer tearDown()
server.handler.server.costTracker.testing = true
server.handler.server.costTracker.testCostList = testCostList(testBufLimit / 10)
rawPeer, closePeer, _ := server.newRawPeer(t, "peer", protocol)
defer closePeer()
var (
reqID uint64
expBuf = testBufLimit
testCost = testBufLimit / 10
)
header := server.handler.blockchain.CurrentHeader()
req := func() {
reqID++
sendRequest(rawPeer.app, GetBlockHeadersMsg, reqID, &GetBlockHeadersData{Origin: hashOrNumber{Hash: header.Hash()}, Amount: 1})
}
for i := 1; i <= 5; i++ {
// send requests while we still have enough buffer and expect a response
for expBuf >= testCost {
req()
expBuf -= testCost
if err := expectResponse(rawPeer.app, BlockHeadersMsg, reqID, expBuf, []*types.Header{header}); err != nil {
t.Errorf("expected response and failed: %v", err)
}
}
// send some more requests in excess and expect a single StopMsg
c := i
for c > 0 {
req()
c--
}
if err := p2p.ExpectMsg(rawPeer.app, StopMsg, nil); err != nil {
t.Errorf("expected StopMsg and failed: %v", err)
}
// wait until the buffer is recharged by half of the limit
wait := testBufLimit / testBufRecharge / 2
server.clock.(*mclock.Simulated).Run(time.Millisecond * time.Duration(wait))
// expect a ResumeMsg with the partially recharged buffer value
expBuf += testBufRecharge * wait
if err := p2p.ExpectMsg(rawPeer.app, ResumeMsg, expBuf); err != nil {
t.Errorf("expected ResumeMsg and failed: %v", err)
}
}
}